File libmicrodns-0.2.0+6.obscpio of Package libmicrodns

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File libmicrodns-0.2.0+6.obscpio of Package libmicrodns

07070100000000000041ED0000000000000000000000036291210E00000000000000000000000000000000000000000000001C00000000libmicrodns-0.2.0+6/.github07070100000001000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000002600000000libmicrodns-0.2.0+6/.github/workflows07070100000002000081A40000000000000000000000016291210E000002FA000000000000000000000000000000000000003000000000libmicrodns-0.2.0+6/.github/workflows/build.ymlname: build

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            cc: clang
          - os: ubuntu-latest
            cc: gcc
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v2

- name: Install Linux dependencies
      if: runner.os == 'Linux'
      run: |
        sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe"
        sudo apt-get update -y -qq
        sudo apt-get install meson ninja-build

- name: Execute build
      env:
        CC: ${{ matrix.cc }}
      run: |
        meson setup build
        cd build && ninja
07070100000003000081A40000000000000000000000016291210E0000024B000000000000000000000000000000000000001F00000000libmicrodns-0.2.0+6/.gitignore# Object files
*.o
*.lo
*.ko
*.obj
*.elf

# Libraries
*.lib
*.a
*.la

# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib

# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex

# Build System
.deps
.dirstamp
.libs
/Makefile
/Makefile.in
/aclocal.m4
/autom4te.cache
/compile
/config
/config.*
/config.guess
/config.h
/config.h.in
/config.log
/config.status
/config.sub
/configure
/depcomp
/install-sh
/libtool
/ltmain.sh
/missing
/stamp-h1
m4/libtool.m4
m4/ltoptions.m4
m4/ltsugar.m4
m4/ltversion.m4
m4/lt~obsolete.m4

build*

# Generated files
src/version.h
src/microdns.pc

07070100000004000081A40000000000000000000000016291210E00000230000000000000000000000000000000000000001C00000000libmicrodns-0.2.0+6/AUTHORSThis library was developed under the direction of Videolabs SAS

Jonathan Calmels <jbjcalmels@gmail.com>
Steve Lhomme <robux4@videolabs.io>
Jean-Baptiste Kempf <jb@videolan.org>
Diego Elio Pettenò <flameeyes@flameeyes.eu>
Joseph Calderon <calderon.joe@gmail.com>
Hugo Beauzée-Luyssen <hugo@beauzee.fr>
Thomas Guillem <thomas@gllm.fr>
Steve Lhomme <robUx4@gmail.com>
Roland Bewick <roland.bewick@gmail.com>
Martin Storsjö <martin@martin.st>
Mathieu Duponchelle <mathieu@centricular.com>
Victorien Le Couviour--Tuffet <victorien.lecouviour.tuffet@gmail.com>

07070100000005000081A40000000000000000000000016291210E000067E6000000000000000000000000000000000000001C00000000libmicrodns-0.2.0+6/COPYINGLicensed under the LGPL 2.1 and priorietary licenses via Videolabs

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That's all there is to it!
07070100000006000081A40000000000000000000000016291210E000007FB000000000000000000000000000000000000001900000000libmicrodns-0.2.0+6/NEWS-----------------
libmicrodns 0.2.0
-----------------
 * Fix IPv6 support
 * Add support for dual IP stack
 * Fix invalid 0-length packet payload

-----------------
libmicrodns 0.1.2
-----------------
 * Fixes to the new meson buildsystem

-----------------
libmicrodns 0.1.1
-----------------
 * Move the buildsystem to meson
 * Fix many security issues
 * Fix memory leaks

-----------------
libmicrodns 0.1.0
-----------------
 * Fix incorrect IPv6 interface index on Windows
 * Pass IPv4/IPv6 addresses to announce callbacks
 * Improve examples
 * Fix warnings and potential crashes
 * Port to WinRT/UWP

-----------------
libmicrodns 0.0.10
-----------------
 * Fix another crash with interfaces without an IP address

-----------------
libmicrodns 0.0.9
-----------------
 * Fix a crash with interfaces without an IP address
 * Fixes for building with llvm-mingw

-----------------
libmicrodns 0.0.8
-----------------
 * Fix stack overflow on network errors
 * Fix leak on errors
 * Avoid infinite loops on network errors

-----------------
libmicrodns 0.0.7
-----------------
 * Various error handling fixes

-----------------
libmicrodns 0.0.6
-----------------
 * Fix an interface selection issue on windows
 * Fix invalid calls to free()
 * Fix invalid allocation on windows
 * Fix multi-interfaces fallback
 * Fix MSVC build

-----------------
libmicrodns 0.0.5
-----------------
 * Fix UWP build
 * Fix invalid error message formating

-----------------
libmicrodns 0.0.4
-----------------
 * Fix heap buffer overflow
 * Add support for multiple interfaces
 * Fix various memory leaks
 * Fix various potential crashes
 * Fix build for MSVC
 * Fix incorrect wide strings handling

-----------------
libmicrodns 0.0.3
-----------------
 * Fix build on Windows Vista+

-----------------
libmicrodns 0.0.2
-----------------
 * Fix leaks and possible crashes in init

libmicrodns 0.0.1
-----------------

First release!

* Basic listening for mDNS services
 * Basic announce of mDNS services
 * Works on Windows (XP to 10), GNU/Linux
07070100000007000081A40000000000000000000000016291210E0000035C000000000000000000000000000000000000001E00000000libmicrodns-0.2.0+6/README.mdmicrodns
========

microdns is an **mDNS** library, focused on being **simple** and **cross-platform**.

Minimal mDNS resolver (and announcer) library
---------------------------------------------

This library **microdns** is still in development, and therefore can still have bugs.

The goal is to have a simple library to listen and create mDNS announces,
without the complexity of larger libraries like *avahi*.

This means that the API is quite *low-level* and that the code is in C.
Bindings to other languages are welcome.

License
-------

microdns is available under the LGPL license. People who want *(or need)* a commercial license can acquire one.

CoC
---

The [VideoLAN Code of Conduct](https://wiki.videolan.org/CoC) applies to this project.

Installation
------------
    meson builddir && ninja -C builddir

# ninja -C builddir install
07070100000008000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000001B00000000libmicrodns-0.2.0+6/compat07070100000009000081A40000000000000000000000016291210E0000157F000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/compat/compat.c/**
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>
#include <errno.h>
#include <string.h>

#include "compat.h"
#include "utils.h"

#if defined (__unix__) || defined (__APPLE__)
struct timeval os_deadline = {
        .tv_sec = 0,
        .tv_usec = 100000,
};
#endif // __unix__ || (__APPLE__)

#if defined (_WIN32)
uint32_t os_deadline = 1000;
#include <winapifamily.h>
#endif // _WIN32

int
os_strerror(int errnum, char *buf, size_t buflen)
{
        int r = 0;
        if (buflen == 0)
            return -1;

buf[0] = '\0';

switch (errnum) {
#if defined (_WIN32)
                case MDNS_NETERR:
                        errno = WSAGetLastError();
                        // fallthrough
                case MDNS_STDERR:
                {
                        wchar_t* wbuff = malloc(sizeof(*wbuff) * buflen);
                        if (wbuff == NULL)
                            return (-1);
                        DWORD nbChar = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
                                           NULL, errno, 0, wbuff, buflen, NULL);
                        if (!nbChar)
                        {
                                snprintf(buf, buflen, "Error %d\n", errno);
                                r = -1;
                        }
                        else
                                nbChar = WideCharToMultiByte(CP_UTF8, 0, wbuff, nbChar,
                                           buf, buflen, NULL, NULL);
                        free(wbuff);
                        break;
                }
#if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP) || _WIN32_WINNT >= 0x0A00
                case MDNS_LKPERR:
                {
                        // Win32 gai_strerror returns a static buffer, but as a non-const char*
                        WCHAR *s = gai_strerror(errno);
                        if (!WideCharToMultiByte(CP_UTF8, 0, s, -1, buf, buflen, NULL, NULL))
                                return (-1);
                        break;
                }
#endif
#else
                case MDNS_STDERR:
                case MDNS_NETERR:
                        if (strerror_r(errno, buf, buflen) != 0)
                                return (-1);
                        break;

case MDNS_LKPERR: {
                        const char *s;
                        s = gai_strerror(errno);
                        if ( s == NULL )
                            return (-1);
                        strncpy(buf, s, buflen);
                        buf[buflen - 1] = '\0';
                        break;
                }
#endif
                default:
                        r = -1;
        }
        return (r);
}

int
os_mcast_join(sock_t s, const struct sockaddr_storage *ss, uint32_t intf_idx,
              const struct sockaddr_storage* intf_addr)
{
#ifdef MCAST_JOIN_GROUP
        (void)intf_addr;
        struct group_req mgroup;

memset(&mgroup, 0, sizeof(mgroup));
        mgroup.gr_interface = intf_idx;
        memcpy(&mgroup.gr_group, ss, ss_len(ss));
        if (setsockopt(s, ss_level(ss), MCAST_JOIN_GROUP,
            (const void *) &mgroup, sizeof(mgroup)) < 0)
                return (-1);
#else
        union {
                struct sockaddr_storage ss;
                struct sockaddr_in      sin;
                struct sockaddr_in6     sin6;
        } u;

memcpy(&u, ss, sizeof(*ss));
        switch (ss_family(ss)) {
                case AF_INET: {
                        struct ip_mreq mreq;
                        const struct sockaddr_in* sin = (const struct sockaddr_in*)intf_addr;

memcpy(&mreq.imr_multiaddr.s_addr, &u.sin.sin_addr, sizeof(struct in_addr));
                        memcpy(&mreq.imr_interface, &sin->sin_addr, sizeof(sin->sin_addr));
                        if (setsockopt(s, ss_level(ss), IP_ADD_MEMBERSHIP,
                            (const void *) &mreq, sizeof(mreq)) < 0)
                                return (-1);
                        break;
                }
                case AF_INET6: {
                        struct ipv6_mreq mreq6;

memcpy(&mreq6.ipv6mr_multiaddr, &u.sin6.sin6_addr, sizeof(struct in6_addr));
                        memcpy(&mreq6.ipv6mr_interface, &intf_idx, sizeof(intf_idx));
                        if (setsockopt(s, ss_level(ss), IPV6_JOIN_GROUP,
                            (const void *) &mreq6, sizeof(mreq6)) < 0)
                                return (-1);
                        break;
                }
                default:
                        assert(1);
        }
#endif
        return (0);
}
0707010000000A000081A40000000000000000000000016291210E00000EA2000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/compat/compat.h/**
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef MICRODNS_COMPAT_H
#define MICRODNS_COMPAT_H

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

enum {
        MDNS_STDERR = -1, // standard error
        MDNS_NETERR = -2, // network error
        MDNS_LKPERR = -3, // lookup error
        MDNS_ERROR  = -4, // any runtime error that's not originating from the standard library
};

/*
 * POSIX systems
 */

#if defined (__unix__) || defined (__APPLE__)

# include <unistd.h>
# include <sys/socket.h>
# include <arpa/inet.h>
# include <netdb.h>
# include <sys/types.h>
# include <errno.h>
# include <net/if.h>
# include <poll.h>

extern struct timeval os_deadline;

typedef int sock_t;
# define INVALID_SOCKET -1

static inline int os_init(const char *version) { (void)version; return (0);}
static inline int os_cleanup(void) {return (0);}
static inline int os_close(sock_t s) {return (close(s));}
static inline int os_wouldblock(void) {return (errno == EWOULDBLOCK);}

#endif // __unix__ || (__APPLE__)

/*
 * Windows glue
 */

#if defined (_WIN32)

# include <stdint.h>
# include <winsock2.h>
# include <windows.h>
# include <ws2tcpip.h>
# include <iphlpapi.h>

/* MinGW lacks AI_NUMERICSERV */
# ifndef AI_NUMERICSERV
#  define AI_NUMERICSERV 0x00000008
# endif // !AI_NUMERICSERV

extern uint32_t os_deadline;

typedef SOCKET sock_t;
typedef int socklen_t;

static inline int os_init(const char *version)
{
        WSADATA data;
        uint16_t low, high;

low = version[0] - '0';
        high = version[2] - '0';
        return (WSAStartup(MAKEWORD(low, high), &data));
}
static inline int os_cleanup(void) {return (WSACleanup());}
static inline int os_close(sock_t s) {return (closesocket(s));}
static inline int os_wouldblock(void) {return (WSAGetLastError() == WSAEWOULDBLOCK);}

# define strerror_r(x, y, z) strerror_s(y, z, x)

#ifndef HAVE_INET_NTOP
extern const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
extern int inet_pton(int af, const char *src, void *dst);
# endif // !inet_ntop

#else

# if HAVE_IFADDRS_H
#include <ifaddrs.h>
# endif

#endif // _WIN32

#if !defined(HAVE_STRUCT_POLLFD) && !defined(_SYS_POLL_H)
enum
{
    POLLERR=0x1,
    POLLHUP=0x2,
    POLLNVAL=0x4,
    POLLWRNORM=0x10,
    POLLWRBAND=0x20,
    POLLRDNORM=0x100,
    POLLRDBAND=0x200,
    POLLPRI=0x400,
};
#define POLLIN  (POLLRDNORM|POLLRDBAND)
struct pollfd
{
    int fd;
    unsigned events;
    unsigned revents;
};
#endif

#if !defined(HAVE_POLL) && !defined(_SYS_POLL_H)
int poll(struct pollfd *fds, unsigned nfds, int timeout);
#endif

#if defined(_MSC_VER)
#include <io.h>
#include <basetsd.h>

typedef SSIZE_T ssize_t;

#define alloca(s) _alloca(s)
#define write(f,b,c) _write(f,b,c)
#endif

extern int os_strerror(int, char *, size_t);
extern int os_mcast_join(sock_t, const struct sockaddr_storage *, uint32_t intf_idx,
                         const struct sockaddr_storage* intf_addr);

#endif /* MICRODNS_COMPAT_H */
0707010000000B000081A40000000000000000000000016291210E000008AD000000000000000000000000000000000000002200000000libmicrodns-0.2.0+6/compat/inet.c/**
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>
#include <errno.h>
#include <string.h>

#include "compat.h"
#include "utils.h"

#if defined (_WIN32) && !defined(HAVE_INET_NTOP)
const char *
inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
        union {
                struct sockaddr_storage ss;
                struct sockaddr_in      sin;
                struct sockaddr_in6     sin6;
        } u;

memset(&u, 0, sizeof(u));
        switch (af) {
                case AF_INET:
                        u.sin.sin_family = af;
                        memcpy(&u.sin.sin_addr, src, sizeof(struct in_addr));
                        break;
                case AF_INET6:
                        u.sin6.sin6_family = af;
                        memcpy(&u.sin6.sin6_addr, src, sizeof(struct in6_addr));
                        break;
        }
        if (getnameinfo((const struct sockaddr *) &u.ss, ss_len(&u.ss),
            dst, size, NULL, 0, NI_NUMERICHOST) != 0)
                return (NULL);
        return (dst);
}

int inet_pton (int af, const char *src, void *dst)
{
    unsigned char *b = dst;

switch (af)
    {
        case AF_INET:
            return sscanf (src, "%hhu.%hhu.%hhu.%hhu",
                           b + 0, b + 1, b + 2, b + 3) == 4;
    }
    errno = EAFNOSUPPORT;
    return -1;
}
#endif // _WIN32 && !inet_ntop
0707010000000C000081A40000000000000000000000016291210E000000E7000000000000000000000000000000000000002700000000libmicrodns-0.2.0+6/compat/meson.buildlibcompat_sources = [
    'compat.c',
    'inet.c',
    'poll.c',
]

libcompat = static_library('compat', libcompat_sources,
    include_directories: incdirs,
    dependencies: deps,
    c_args: c_args,
    link_args: link_flags
)
0707010000000D000081A40000000000000000000000016291210E000014B8000000000000000000000000000000000000002200000000libmicrodns-0.2.0+6/compat/poll.c/**
 * Copyright © 2007-2012 Rémi Denis-Courmont
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Rémi Denis-Courmont
 *         Jonathan Calmels <jbjcalmels@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>
#include <errno.h>
#include <string.h>

#include "compat.h"
#include "utils.h"

#ifndef HAVE_POLL
int poll(struct pollfd *fds, unsigned nfds, int timeout)
{
    DWORD to = (timeout >= 0) ? (DWORD)timeout : INFINITE;

if (nfds == 0)
    {    /* WSAWaitForMultipleEvents() does not allow zero events */
        if (SleepEx(to, TRUE))
        {
            errno = EINTR;
            return -1;
        }
        return 0;
    }

WSAEVENT *evts = malloc(nfds * sizeof (WSAEVENT));
    if (evts == NULL)
        return -1; /* ENOMEM */

DWORD ret = WSA_WAIT_FAILED;
    for (unsigned i = 0; i < nfds; i++)
    {
        SOCKET fd = fds[i].fd;
        long mask = FD_CLOSE;
        fd_set rdset, wrset, exset;

FD_ZERO(&rdset);
        FD_ZERO(&wrset);
        FD_ZERO(&exset);
        FD_SET(fd, &exset);

if (fds[i].events & POLLRDNORM)
        {
            mask |= FD_READ | FD_ACCEPT;
            FD_SET(fd, &rdset);
        }
        if (fds[i].events & POLLWRNORM)
        {
            mask |= FD_WRITE | FD_CONNECT;
            FD_SET(fd, &wrset);
        }
        if (fds[i].events & POLLPRI)
            mask |= FD_OOB;

fds[i].revents = 0;

evts[i] = WSACreateEvent();
        if (evts[i] == WSA_INVALID_EVENT)
        {
            while (i > 0)
                WSACloseEvent(evts[--i]);
            free(evts);
            errno = ENOMEM;
            return -1;
        }

if (WSAEventSelect(fds[i].fd, evts[i], mask)
         && WSAGetLastError() == WSAENOTSOCK)
            fds[i].revents |= POLLNVAL;

struct timeval tv = { 0, 0 };
        /* By its horrible design, WSAEnumNetworkEvents() only enumerates
         * events that were not already signaled (i.e. it is edge-triggered).
         * WSAPoll() would be better in this respect, but worse in others.
         * So use WSAEnumNetworkEvents() after manually checking for pending
         * events. */
        if (select(0, &rdset, &wrset, &exset, &tv) > 0)
        {
            if (FD_ISSET(fd, &rdset))
                fds[i].revents |= fds[i].events & POLLRDNORM;
            if (FD_ISSET(fd, &wrset))
                fds[i].revents |= fds[i].events & POLLWRNORM;
            if (FD_ISSET(fd, &exset))
                /* To add pain to injury, POLLERR and POLLPRI cannot be
                 * distinguished here. */
                fds[i].revents |= POLLERR | (fds[i].events & POLLPRI);
        }

if (fds[i].revents != 0 && ret == WSA_WAIT_FAILED)
            ret = WSA_WAIT_EVENT_0 + i;
    }

if (ret == WSA_WAIT_FAILED)
        ret = WSAWaitForMultipleEvents(nfds, evts, FALSE, to, TRUE);

unsigned count = 0;
    for (unsigned i = 0; i < nfds; i++)
    {
        WSANETWORKEVENTS ne;

if (WSAEnumNetworkEvents(fds[i].fd, evts[i], &ne))
            memset(&ne, 0, sizeof (ne));
        WSAEventSelect(fds[i].fd, evts[i], 0);
        WSACloseEvent(evts[i]);

if (ne.lNetworkEvents & FD_CONNECT)
        {
            fds[i].revents |= POLLWRNORM;
            if (ne.iErrorCode[FD_CONNECT_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        if (ne.lNetworkEvents & FD_CLOSE)
        {
            fds[i].revents |= (fds[i].events & POLLRDNORM) | POLLHUP;
            if (ne.iErrorCode[FD_CLOSE_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        if (ne.lNetworkEvents & FD_ACCEPT)
        {
            fds[i].revents |= POLLRDNORM;
            if (ne.iErrorCode[FD_ACCEPT_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        if (ne.lNetworkEvents & FD_OOB)
        {
            fds[i].revents |= POLLPRI;
            if (ne.iErrorCode[FD_OOB_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        if (ne.lNetworkEvents & FD_READ)
        {
            fds[i].revents |= POLLRDNORM;
            if (ne.iErrorCode[FD_READ_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        if (ne.lNetworkEvents & FD_WRITE)
        {
            fds[i].revents |= POLLWRNORM;
            if (ne.iErrorCode[FD_WRITE_BIT] != 0)
                fds[i].revents |= POLLERR;
        }
        count += fds[i].revents != 0;
    }

free(evts);

if (count == 0 && ret == WSA_WAIT_IO_COMPLETION)
    {
        errno = EINTR;
        return -1;
    }
    return count;
}

#endif
0707010000000E000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000001800000000libmicrodns-0.2.0+6/doc0707010000000F000081A40000000000000000000000016291210E000187DD000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/doc/Doxyfile.in# Doxyfile 1.8.6

# This file describes the settings to be used by the documentation system
# doxygen (www.doxygen.org) for a project.
#
# All text after a double hash (##) is considered a comment and is placed in
# front of the TAG it is preceding.
#
# All text after a single hash (#) is considered a comment and will be ignored.
# The format is:
# TAG = value [value, ...]
# For lists, items can also be appended using:
# TAG += value [value, ...]
# Values that contain spaces should be placed between quotes (\" \").

#---------------------------------------------------------------------------
# Project related configuration options
#---------------------------------------------------------------------------

# This tag specifies the encoding used for all characters in the config file
# that follow. The default is UTF-8 which is also the encoding used for all text
# before the first occurrence of this tag. Doxygen uses libiconv (or the iconv
# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv
# for the list of possible encodings.
# The default value is: UTF-8.

DOXYFILE_ENCODING      = UTF-8

# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by
# double-quotes, unless you are using Doxywizard) that should identify the
# project for which the documentation is generated. This name is used in the
# title of most generated pages and in a few other places.
# The default value is: My Project.

PROJECT_NAME           = @PACKAGE_NAME@

# The PROJECT_NUMBER tag can be used to enter a project or revision number. This
# could be handy for archiving the generated documentation or if some version
# control system is used.

PROJECT_NUMBER         = @VERSION@

# Using the PROJECT_BRIEF tag one can provide an optional one line description
# for a project that appears at the top of each page and should give viewer a
# quick idea about the purpose of the project. Keep the description short.

PROJECT_BRIEF          = "Minimalist mDNS client library"

# With the PROJECT_LOGO tag one can specify an logo or icon that is included in
# the documentation. The maximum height of the logo should not exceed 55 pixels
# and the maximum width should not exceed 200 pixels. Doxygen will copy the logo
# to the output directory.

PROJECT_LOGO           =

# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
# into which the generated documentation will be written. If a relative path is
# entered, it will be relative to the location where doxygen was started. If
# left blank the current directory will be used.

OUTPUT_DIRECTORY       = doc

# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub-
# directories (in 2 levels) under the output directory of each output format and
# will distribute the generated files over these directories. Enabling this
# option can be useful when feeding doxygen a huge amount of source files, where
# putting all generated files in the same directory would otherwise causes
# performance problems for the file system.
# The default value is: NO.

CREATE_SUBDIRS         = NO

# The OUTPUT_LANGUAGE tag is used to specify the language in which all
# documentation generated by doxygen is written. Doxygen will use this
# information to generate all constant output in the proper language.
# Possible values are: Afrikaans, Arabic, Armenian, Brazilian, Catalan, Chinese,
# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States),
# Esperanto, Farsi (Persian), Finnish, French, German, Greek, Hungarian,
# Indonesian, Italian, Japanese, Japanese-en (Japanese with English messages),
# Korean, Korean-en (Korean with English messages), Latvian, Lithuanian,
# Macedonian, Norwegian, Persian (Farsi), Polish, Portuguese, Romanian, Russian,
# Serbian, Serbian-Cyrillic, Slovak, Slovene, Spanish, Swedish, Turkish,
# Ukrainian and Vietnamese.
# The default value is: English.

OUTPUT_LANGUAGE        = English

# If the BRIEF_MEMBER_DESC tag is set to YES doxygen will include brief member
# descriptions after the members that are listed in the file and class
# documentation (similar to Javadoc). Set to NO to disable this.
# The default value is: YES.

BRIEF_MEMBER_DESC      = YES

# If the REPEAT_BRIEF tag is set to YES doxygen will prepend the brief
# description of a member or function before the detailed description
#
# Note: If both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
# brief descriptions will be completely suppressed.
# The default value is: YES.

REPEAT_BRIEF           = YES

# This tag implements a quasi-intelligent brief description abbreviator that is
# used to form the text in various listings. Each string in this list, if found
# as the leading text of the brief description, will be stripped from the text
# and the result, after processing the whole list, is used as the annotated
# text. Otherwise, the brief description is used as-is. If left blank, the
# following values are used ($name is automatically replaced with the name of
# the entity):The $name class, The $name widget, The $name file, is, provides,
# specifies, contains, represents, a, an and the.

ABBREVIATE_BRIEF       =

# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
# doxygen will generate a detailed section even if there is only a brief
# description.
# The default value is: NO.

ALWAYS_DETAILED_SEC    = NO

# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
# inherited members of a class in the documentation of that class as if those
# members were ordinary class members. Constructors, destructors and assignment
# operators of the base classes will not be shown.
# The default value is: NO.

INLINE_INHERITED_MEMB  = NO

# If the FULL_PATH_NAMES tag is set to YES doxygen will prepend the full path
# before files name in the file list and in the header files. If set to NO the
# shortest path that makes the file name unique will be used
# The default value is: YES.

FULL_PATH_NAMES        = YES

# The STRIP_FROM_PATH tag can be used to strip a user-defined part of the path.
# Stripping is only done if one of the specified strings matches the left-hand
# part of the path. The tag can be used to show relative paths in the file list.
# If left blank the directory from which doxygen is run is used as the path to
# strip.
#
# Note that you can specify absolute paths here, but also relative paths, which
# will be relative from the directory where doxygen is started.
# This tag requires that the tag FULL_PATH_NAMES is set to YES.

STRIP_FROM_PATH        =

# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
# path mentioned in the documentation of a class, which tells the reader which
# header file to include in order to use a class. If left blank only the name of
# the header file containing the class definition is used. Otherwise one should
# specify the list of include paths that are normally passed to the compiler
# using the -I flag.

STRIP_FROM_INC_PATH    =

# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
# less readable) file names. This can be useful is your file systems doesn't
# support long names like on DOS, Mac, or CD-ROM.
# The default value is: NO.

SHORT_NAMES            = NO

# If the JAVADOC_AUTOBRIEF tag is set to YES then doxygen will interpret the
# first line (until the first dot) of a Javadoc-style comment as the brief
# description. If set to NO, the Javadoc-style will behave just like regular Qt-
# style comments (thus requiring an explicit @brief command for a brief
# description.)
# The default value is: NO.

JAVADOC_AUTOBRIEF      = NO

# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
# line (until the first dot) of a Qt-style comment as the brief description. If
# set to NO, the Qt-style will behave just like regular Qt-style comments (thus
# requiring an explicit \brief command for a brief description.)
# The default value is: NO.

QT_AUTOBRIEF           = NO

# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make doxygen treat a
# multi-line C++ special comment block (i.e. a block of //! or /// comments) as
# a brief description. This used to be the default behavior. The new default is
# to treat a multi-line C++ comment block as a detailed description. Set this
# tag to YES if you prefer the old behavior instead.
#
# Note that setting this tag to YES also means that rational rose comments are
# not recognized any more.
# The default value is: NO.

MULTILINE_CPP_IS_BRIEF = NO

# If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the
# documentation from any documented member that it re-implements.
# The default value is: YES.

INHERIT_DOCS           = YES

# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce a
# new page for each member. If set to NO, the documentation of a member will be
# part of the file/class/namespace that contains it.
# The default value is: NO.

SEPARATE_MEMBER_PAGES  = NO

# The TAB_SIZE tag can be used to set the number of spaces in a tab. Doxygen
# uses this value to replace tabs by spaces in code fragments.
# Minimum value: 1, maximum value: 16, default value: 4.

TAB_SIZE               = 2

# This tag can be used to specify a number of aliases that act as commands in
# the documentation. An alias has the form:
# name=value
# For example adding
# "sideeffect=@par Side Effects:\n"
# will allow you to put the command \sideeffect (or @sideeffect) in the
# documentation, which will result in a user-defined paragraph with heading
# "Side Effects:". You can put \n's in the value part of an alias to insert
# newlines.

ALIASES                =

# This tag can be used to specify a number of word-keyword mappings (TCL only).
# A mapping has the form "name=value". For example adding "class=itcl::class"
# will allow you to use the command class in the itcl::class meaning.

TCL_SUBST              =

# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
# only. Doxygen will then generate output that is more tailored for C. For
# instance, some of the names that are used will be different. The list of all
# members will be omitted, etc.
# The default value is: NO.

OPTIMIZE_OUTPUT_FOR_C  = YES

# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
# Python sources only. Doxygen will then generate output that is more tailored
# for that language. For instance, namespaces will be presented as packages,
# qualified scopes will look different, etc.
# The default value is: NO.

OPTIMIZE_OUTPUT_JAVA   = NO

# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
# sources. Doxygen will then generate output that is tailored for Fortran.
# The default value is: NO.

OPTIMIZE_FOR_FORTRAN   = NO

# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
# sources. Doxygen will then generate output that is tailored for VHDL.
# The default value is: NO.

OPTIMIZE_OUTPUT_VHDL   = NO

# Doxygen selects the parser to use depending on the extension of the files it
# parses. With this tag you can assign which parser to use for a given
# extension. Doxygen has a built-in mapping, but you can override or extend it
# using this tag. The format is ext=language, where ext is a file extension, and
# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
# C#, C, C++, D, PHP, Objective-C, Python, Fortran, VHDL. For instance to make
# doxygen treat .inc files as Fortran files (default is PHP), and .f files as C
# (default is Fortran), use: inc=Fortran f=C.
#
# Note For files without extension you can use no_extension as a placeholder.
#
# Note that for custom extensions you also need to set FILE_PATTERNS otherwise
# the files are not read by doxygen.

EXTENSION_MAPPING      =

# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
# according to the Markdown format, which allows for more readable
# documentation. See http://daringfireball.net/projects/markdown/ for details.
# The output of markdown processing is further processed by doxygen, so you can
# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in
# case of backward compatibilities issues.
# The default value is: YES.

MARKDOWN_SUPPORT       = YES

# When enabled doxygen tries to link words that correspond to documented
# classes, or namespaces to their corresponding documentation. Such a link can
# be prevented in individual cases by by putting a % sign in front of the word
# or globally by setting AUTOLINK_SUPPORT to NO.
# The default value is: YES.

AUTOLINK_SUPPORT       = YES

# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
# to include (a tag file for) the STL sources as input, then you should set this
# tag to YES in order to let doxygen match functions declarations and
# definitions whose arguments contain STL classes (e.g. func(std::string);
# versus func(std::string) {}). This also make the inheritance and collaboration
# diagrams that involve STL classes more complete and accurate.
# The default value is: NO.

BUILTIN_STL_SUPPORT    = NO

# If you use Microsoft's C++/CLI language, you should set this option to YES to
# enable parsing support.
# The default value is: NO.

CPP_CLI_SUPPORT        = NO

# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
# http://www.riverbankcomputing.co.uk/software/sip/intro) sources only. Doxygen
# will parse them like normal C++ but will assume all classes use public instead
# of private inheritance when no explicit protection keyword is present.
# The default value is: NO.

SIP_SUPPORT            = NO

# For Microsoft's IDL there are propget and propput attributes to indicate
# getter and setter methods for a property. Setting this option to YES will make
# doxygen to replace the get and set methods by a property in the documentation.
# This will only work if the methods are indeed getting or setting a simple
# type. If this is not the case, or you want to show the methods anyway, you
# should set this option to NO.
# The default value is: YES.

IDL_PROPERTY_SUPPORT   = NO

# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
# tag is set to YES, then doxygen will reuse the documentation of the first
# member in the group (if any) for the other members of the group. By default
# all members of a group must be documented explicitly.
# The default value is: NO.

DISTRIBUTE_GROUP_DOC   = NO

# Set the SUBGROUPING tag to YES to allow class member groups of the same type
# (for instance a group of public functions) to be put as a subgroup of that
# type (e.g. under the Public Functions section). Set it to NO to prevent
# subgrouping. Alternatively, this can be done per class using the
# \nosubgrouping command.
# The default value is: YES.

SUBGROUPING            = YES

# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions
# are shown inside the group in which they are included (e.g. using \ingroup)
# instead of on a separate page (for HTML and Man pages) or section (for LaTeX
# and RTF).
#
# Note that this feature does not work in combination with
# SEPARATE_MEMBER_PAGES.
# The default value is: NO.

INLINE_GROUPED_CLASSES = NO

# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions
# with only public data fields or simple typedef fields will be shown inline in
# the documentation of the scope in which they are defined (i.e. file,
# namespace, or group documentation), provided this scope is documented. If set
# to NO, structs, classes, and unions are shown on a separate page (for HTML and
# Man pages) or section (for LaTeX and RTF).
# The default value is: NO.

INLINE_SIMPLE_STRUCTS  = NO

# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or
# enum is documented as struct, union, or enum with the name of the typedef. So
# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
# with name TypeT. When disabled the typedef will appear as a member of a file,
# namespace, or class. And the struct will be named TypeS. This can typically be
# useful for C code in case the coding convention dictates that all compound
# types are typedef'ed and only the typedef is referenced, never the tag name.
# The default value is: NO.

TYPEDEF_HIDES_STRUCT   = NO

# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This
# cache is used to resolve symbols given their name and scope. Since this can be
# an expensive process and often the same symbol appears multiple times in the
# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small
# doxygen will become slower. If the cache is too large, memory is wasted. The
# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range
# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536
# symbols. At the end of a run doxygen will report the cache usage and suggest
# the optimal cache size from a speed point of view.
# Minimum value: 0, maximum value: 9, default value: 0.

LOOKUP_CACHE_SIZE      = 0

#---------------------------------------------------------------------------
# Build related configuration options
#---------------------------------------------------------------------------

# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
# documentation are documented, even if no documentation was available. Private
# class members and static file members will be hidden unless the
# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
# Note: This will also disable the warnings about undocumented members that are
# normally produced when WARNINGS is set to YES.
# The default value is: NO.

EXTRACT_ALL            = NO

# If the EXTRACT_PRIVATE tag is set to YES all private members of a class will
# be included in the documentation.
# The default value is: NO.

EXTRACT_PRIVATE        = NO

# If the EXTRACT_PACKAGE tag is set to YES all members with package or internal
# scope will be included in the documentation.
# The default value is: NO.

EXTRACT_PACKAGE        = NO

# If the EXTRACT_STATIC tag is set to YES all static members of a file will be
# included in the documentation.
# The default value is: NO.

EXTRACT_STATIC         = NO

# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) defined
# locally in source files will be included in the documentation. If set to NO
# only classes defined in header files are included. Does not have any effect
# for Java sources.
# The default value is: YES.

EXTRACT_LOCAL_CLASSES  = NO

# This flag is only useful for Objective-C code. When set to YES local methods,
# which are defined in the implementation section but not in the interface are
# included in the documentation. If set to NO only methods in the interface are
# included.
# The default value is: NO.

EXTRACT_LOCAL_METHODS  = NO

# If this flag is set to YES, the members of anonymous namespaces will be
# extracted and appear in the documentation as a namespace called
# 'anonymous_namespace{file}', where file will be replaced with the base name of
# the file that contains the anonymous namespace. By default anonymous namespace
# are hidden.
# The default value is: NO.

EXTRACT_ANON_NSPACES   = NO

# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
# undocumented members inside documented classes or files. If set to NO these
# members will be included in the various overviews, but no documentation
# section is generated. This option has no effect if EXTRACT_ALL is enabled.
# The default value is: NO.

HIDE_UNDOC_MEMBERS     = YES

# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
# undocumented classes that are normally visible in the class hierarchy. If set
# to NO these classes will be included in the various overviews. This option has
# no effect if EXTRACT_ALL is enabled.
# The default value is: NO.

HIDE_UNDOC_CLASSES     = YES

# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
# (class|struct|union) declarations. If set to NO these declarations will be
# included in the documentation.
# The default value is: NO.

HIDE_FRIEND_COMPOUNDS  = NO

# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
# documentation blocks found inside the body of a function. If set to NO these
# blocks will be appended to the function's detailed documentation block.
# The default value is: NO.

HIDE_IN_BODY_DOCS      = NO

# The INTERNAL_DOCS tag determines if documentation that is typed after a
# \internal command is included. If the tag is set to NO then the documentation
# will be excluded. Set it to YES to include the internal documentation.
# The default value is: NO.

INTERNAL_DOCS          = NO

# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file
# names in lower-case letters. If set to YES upper-case letters are also
# allowed. This is useful if you have classes or files whose names only differ
# in case and if your file system supports case sensitive file names. Windows
# and Mac users are advised to set this option to NO.
# The default value is: system dependent.

CASE_SENSE_NAMES       = YES

# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with
# their full class and namespace scopes in the documentation. If set to YES the
# scope will be hidden.
# The default value is: NO.

HIDE_SCOPE_NAMES       = NO

# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
# the files that are included by a file in the documentation of that file.
# The default value is: YES.

SHOW_INCLUDE_FILES     = YES

# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
# grouped member an include statement to the documentation, telling the reader
# which file to include in order to use the member.
# The default value is: NO.

SHOW_GROUPED_MEMB_INC  = NO

# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include
# files with double quotes in the documentation rather than with sharp brackets.
# The default value is: NO.

FORCE_LOCAL_INCLUDES   = NO

# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
# documentation for inline members.
# The default value is: YES.

INLINE_INFO            = YES

# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
# (detailed) documentation of file and class members alphabetically by member
# name. If set to NO the members will appear in declaration order.
# The default value is: YES.

SORT_MEMBER_DOCS       = YES

# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
# descriptions of file, namespace and class members alphabetically by member
# name. If set to NO the members will appear in declaration order. Note that
# this will also influence the order of the classes in the class list.
# The default value is: NO.

SORT_BRIEF_DOCS        = NO

# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
# (brief and detailed) documentation of class members so that constructors and
# destructors are listed first. If set to NO the constructors will appear in the
# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS.
# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief
# member documentation.
# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting
# detailed member documentation.
# The default value is: NO.

SORT_MEMBERS_CTORS_1ST = NO

# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
# of group names into alphabetical order. If set to NO the group names will
# appear in their defined order.
# The default value is: NO.

SORT_GROUP_NAMES       = NO

# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
# fully-qualified names, including namespaces. If set to NO, the class list will
# be sorted only by class name, not including the namespace part.
# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
# Note: This option applies only to the class list, not to the alphabetical
# list.
# The default value is: NO.

SORT_BY_SCOPE_NAME     = NO

# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
# type resolution of all parameters of a function it will reject a match between
# the prototype and the implementation of a member function even if there is
# only one candidate or it is obvious which candidate to choose by doing a
# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
# accept a match between prototype and implementation in such cases.
# The default value is: NO.

STRICT_PROTO_MATCHING  = NO

# The GENERATE_TODOLIST tag can be used to enable ( YES) or disable ( NO) the
# todo list. This list is created by putting \todo commands in the
# documentation.
# The default value is: YES.

GENERATE_TODOLIST      = YES

# The GENERATE_TESTLIST tag can be used to enable ( YES) or disable ( NO) the
# test list. This list is created by putting \test commands in the
# documentation.
# The default value is: YES.

GENERATE_TESTLIST      = YES

# The GENERATE_BUGLIST tag can be used to enable ( YES) or disable ( NO) the bug
# list. This list is created by putting \bug commands in the documentation.
# The default value is: YES.

GENERATE_BUGLIST       = YES

# The GENERATE_DEPRECATEDLIST tag can be used to enable ( YES) or disable ( NO)
# the deprecated list. This list is created by putting \deprecated commands in
# the documentation.
# The default value is: YES.

GENERATE_DEPRECATEDLIST= YES

# The ENABLED_SECTIONS tag can be used to enable conditional documentation
# sections, marked by \if <section_label> ... \endif and \cond <section_label>
# ... \endcond blocks.

ENABLED_SECTIONS       =

# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
# initial value of a variable or macro / define can have for it to appear in the
# documentation. If the initializer consists of more lines than specified here
# it will be hidden. Use a value of 0 to hide initializers completely. The
# appearance of the value of individual variables and macros / defines can be
# controlled using \showinitializer or \hideinitializer command in the
# documentation regardless of this setting.
# Minimum value: 0, maximum value: 10000, default value: 30.

MAX_INITIALIZER_LINES  = 30

# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
# the bottom of the documentation of classes and structs. If set to YES the list
# will mention the files that were used to generate the documentation.
# The default value is: YES.

SHOW_USED_FILES        = YES

# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
# will remove the Files entry from the Quick Index and from the Folder Tree View
# (if specified).
# The default value is: YES.

SHOW_FILES             = YES

# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
# page. This will remove the Namespaces entry from the Quick Index and from the
# Folder Tree View (if specified).
# The default value is: YES.

SHOW_NAMESPACES        = YES

# The FILE_VERSION_FILTER tag can be used to specify a program or script that
# doxygen should invoke to get the current version for each file (typically from
# the version control system). Doxygen will invoke the program by executing (via
# popen()) the command command input-file, where command is the value of the
# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
# by doxygen. Whatever the program writes to standard output is used as the file
# version. For an example see the documentation.

FILE_VERSION_FILTER    =

# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
# by doxygen. The layout file controls the global structure of the generated
# output files in an output format independent way. To create the layout file
# that represents doxygen's defaults, run doxygen with the -l option. You can
# optionally specify a file name after the option, if omitted DoxygenLayout.xml
# will be used as the name of the layout file.
#
# Note that if you run doxygen from a directory containing a file called
# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
# tag is left empty.

LAYOUT_FILE            =

# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
# the reference definitions. This must be a list of .bib files. The .bib
# extension is automatically appended if omitted. This requires the bibtex tool
# to be installed. See also http://en.wikipedia.org/wiki/BibTeX for more info.
# For LaTeX the style of the bibliography can be controlled using
# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
# search path. Do not use file names with spaces, bibtex cannot handle them. See
# also \cite for info how to create references.

CITE_BIB_FILES         =

#---------------------------------------------------------------------------
# Configuration options related to warning and progress messages
#---------------------------------------------------------------------------

# The QUIET tag can be used to turn on/off the messages that are generated to
# standard output by doxygen. If QUIET is set to YES this implies that the
# messages are off.
# The default value is: NO.

QUIET                  = NO

# The WARNINGS tag can be used to turn on/off the warning messages that are
# generated to standard error ( stderr) by doxygen. If WARNINGS is set to YES
# this implies that the warnings are on.
#
# Tip: Turn warnings on while writing the documentation.
# The default value is: YES.

WARNINGS               = YES

# If the WARN_IF_UNDOCUMENTED tag is set to YES, then doxygen will generate
# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
# will automatically be disabled.
# The default value is: YES.

WARN_IF_UNDOCUMENTED   = NO

# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
# potential errors in the documentation, such as not documenting some parameters
# in a documented function, or documenting parameters that don't exist or using
# markup commands wrongly.
# The default value is: YES.

WARN_IF_DOC_ERROR      = YES

# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
# are documented, but have no documentation for their parameters or return
# value. If set to NO doxygen will only warn about wrong or incomplete parameter
# documentation, but not about the absence of documentation.
# The default value is: NO.

WARN_NO_PARAMDOC       = NO

# The WARN_FORMAT tag determines the format of the warning messages that doxygen
# can produce. The string should contain the $file, $line, and $text tags, which
# will be replaced by the file and line number from which the warning originated
# and the warning text. Optionally the format may contain $version, which will
# be replaced by the version of the file (if it could be obtained via
# FILE_VERSION_FILTER)
# The default value is: $file:$line: $text.

WARN_FORMAT            = "$file:$line: $text"

# The WARN_LOGFILE tag can be used to specify a file to which warning and error
# messages should be written. If left blank the output is written to standard
# error (stderr).

WARN_LOGFILE           =

#---------------------------------------------------------------------------
# Configuration options related to the input files
#---------------------------------------------------------------------------

# The INPUT tag is used to specify the files and/or directories that contain
# documented source files. You may enter file names like myfile.cpp or
# directories like /usr/src/myproject. Separate the files or directories with
# spaces.
# Note: If this tag is empty the current directory is searched.

INPUT                  = @abs_top_srcdir@/src src/

# This tag can be used to specify the character encoding of the source files
# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
# documentation (see: http://www.gnu.org/software/libiconv) for the list of
# possible encodings.
# The default value is: UTF-8.

INPUT_ENCODING         = UTF-8

# If the value of the INPUT tag contains directories, you can use the
# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
# *.h) to filter out the source-files in the directories. If left blank the
# following patterns are tested:*.c, *.cc, *.cxx, *.cpp, *.c++, *.java, *.ii,
# *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h, *.hh, *.hxx, *.hpp,
# *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc, *.m, *.markdown,
# *.md, *.mm, *.dox, *.py, *.f90, *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf,
# *.qsf, *.as and *.js.

FILE_PATTERNS          =

# The RECURSIVE tag can be used to specify whether or not subdirectories should
# be searched for input files as well.
# The default value is: NO.

RECURSIVE              = NO

# The EXCLUDE tag can be used to specify files and/or directories that should be
# excluded from the INPUT source files. This way you can easily exclude a
# subdirectory from a directory tree whose root is specified with the INPUT tag.
#
# Note that relative paths are relative to the directory from which doxygen is
# run.

EXCLUDE                =

# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
# directories that are symbolic links (a Unix file system feature) are excluded
# from the input.
# The default value is: NO.

EXCLUDE_SYMLINKS       = NO

# If the value of the INPUT tag contains directories, you can use the
# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
# certain files from those directories.
#
# Note that the wildcards are matched against the file with absolute path, so to
# exclude all test directories for example use the pattern */test/*

EXCLUDE_PATTERNS       =

# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
# (namespaces, classes, functions, etc.) that should be excluded from the
# output. The symbol name can be a fully qualified name, a word, or if the
# wildcard * is used, a substring. Examples: ANamespace, AClass,
# AClass::ANamespace, ANamespace::*Test
#
# Note that the wildcards are matched against the file with absolute path, so to
# exclude all test directories use the pattern */test/*

EXCLUDE_SYMBOLS        =

# The EXAMPLE_PATH tag can be used to specify one or more files or directories
# that contain example code fragments that are included (see the \include
# command).

EXAMPLE_PATH           =

# If the value of the EXAMPLE_PATH tag contains directories, you can use the
# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
# *.h) to filter out the source-files in the directories. If left blank all
# files are included.

EXAMPLE_PATTERNS       =

# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
# searched for input files to be used with the \include or \dontinclude commands
# irrespective of the value of the RECURSIVE tag.
# The default value is: NO.

EXAMPLE_RECURSIVE      = NO

# The IMAGE_PATH tag can be used to specify one or more files or directories
# that contain images that are to be included in the documentation (see the
# \image command).

IMAGE_PATH             =

# The INPUT_FILTER tag can be used to specify a program that doxygen should
# invoke to filter for each input file. Doxygen will invoke the filter program
# by executing (via popen()) the command:
#
# <filter> <input-file>
#
# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
# name of an input file. Doxygen will then use the output that the filter
# program writes to standard output. If FILTER_PATTERNS is specified, this tag
# will be ignored.
#
# Note that the filter must not add or remove lines; it is applied before the
# code is scanned, but not when the output code is generated. If lines are added
# or removed, the anchors will not be placed correctly.

INPUT_FILTER           =

# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
# basis. Doxygen will compare the file name with each pattern and apply the
# filter if there is a match. The filters are a list of the form: pattern=filter
# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
# patterns match the file name, INPUT_FILTER is applied.

FILTER_PATTERNS        =

# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
# INPUT_FILTER ) will also be used to filter the input files that are used for
# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
# The default value is: NO.

FILTER_SOURCE_FILES    = NO

# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
# it is also possible to disable source filtering for a specific pattern using
# *.ext= (so without naming a filter).
# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.

FILTER_SOURCE_PATTERNS =

# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
# is part of the input, its contents will be placed on the main page
# (index.html). This can be useful if you have a project on for instance GitHub
# and want to reuse the introduction page also for the doxygen output.

USE_MDFILE_AS_MAINPAGE =

#---------------------------------------------------------------------------
# Configuration options related to source browsing
#---------------------------------------------------------------------------

# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
# generated. Documented entities will be cross-referenced with these sources.
#
# Note: To get rid of all source code in the generated output, make sure that
# also VERBATIM_HEADERS is set to NO.
# The default value is: NO.

SOURCE_BROWSER         = NO

# Setting the INLINE_SOURCES tag to YES will include the body of functions,
# classes and enums directly into the documentation.
# The default value is: NO.

INLINE_SOURCES         = NO

# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
# special comment blocks from generated source code fragments. Normal C, C++ and
# Fortran comments will always remain visible.
# The default value is: YES.

STRIP_CODE_COMMENTS    = YES

# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
# function all documented functions referencing it will be listed.
# The default value is: NO.

REFERENCED_BY_RELATION = NO

# If the REFERENCES_RELATION tag is set to YES then for each documented function
# all documented entities called/used by that function will be listed.
# The default value is: NO.

REFERENCES_RELATION    = NO

# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
# to YES, then the hyperlinks from functions in REFERENCES_RELATION and
# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
# link to the documentation.
# The default value is: YES.

REFERENCES_LINK_SOURCE = YES

# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
# source code will show a tooltip with additional information such as prototype,
# brief description and links to the definition and documentation. Since this
# will make the HTML file larger and loading of large files a bit slower, you
# can opt to disable this feature.
# The default value is: YES.
# This tag requires that the tag SOURCE_BROWSER is set to YES.

SOURCE_TOOLTIPS        = YES

# If the USE_HTAGS tag is set to YES then the references to source code will
# point to the HTML generated by the htags(1) tool instead of doxygen built-in
# source browser. The htags tool is part of GNU's global source tagging system
# (see http://www.gnu.org/software/global/global.html). You will need version
# 4.8.6 or higher.
#
# To use it do the following:
# - Install the latest version of global
# - Enable SOURCE_BROWSER and USE_HTAGS in the config file
# - Make sure the INPUT points to the root of the source tree
# - Run doxygen as normal
#
# Doxygen will invoke htags (and that will in turn invoke gtags), so these
# tools must be available from the command line (i.e. in the search path).
#
# The result: instead of the source browser generated by doxygen, the links to
# source code will now point to the output of htags.
# The default value is: NO.
# This tag requires that the tag SOURCE_BROWSER is set to YES.

USE_HTAGS              = NO

# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
# verbatim copy of the header file for each class for which an include is
# specified. Set to NO to disable this.
# See also: Section \class.
# The default value is: YES.

VERBATIM_HEADERS       = NO

#---------------------------------------------------------------------------
# Configuration options related to the alphabetical class index
#---------------------------------------------------------------------------

# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
# compounds will be generated. Enable this if the project contains a lot of
# classes, structs, unions or interfaces.
# The default value is: YES.

ALPHABETICAL_INDEX     = YES

# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in
# which the alphabetical index list will be split.
# Minimum value: 1, maximum value: 20, default value: 5.
# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.

COLS_IN_ALPHA_INDEX    = 5

# In case all classes in a project start with a common prefix, all classes will
# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
# can be used to specify a prefix (or a list of prefixes) that should be ignored
# while generating the index headers.
# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.

IGNORE_PREFIX          =

#---------------------------------------------------------------------------
# Configuration options related to the HTML output
#---------------------------------------------------------------------------

# If the GENERATE_HTML tag is set to YES doxygen will generate HTML output
# The default value is: YES.

GENERATE_HTML          = YES

# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
# it.
# The default directory is: html.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_OUTPUT            = html

# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
# generated HTML page (for example: .htm, .php, .asp).
# The default value is: .html.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_FILE_EXTENSION    = .html

# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
# each generated HTML page. If the tag is left blank doxygen will generate a
# standard header.
#
# To get valid HTML the header file that includes any scripts and style sheets
# that doxygen needs, which is dependent on the configuration options used (e.g.
# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
# default header using
# doxygen -w html new_header.html new_footer.html new_stylesheet.css
# YourConfigFile
# and then modify the file new_header.html. See also section "Doxygen usage"
# for information on how to generate the default header that doxygen normally
# uses.
# Note: The header is subject to change so you typically have to regenerate the
# default header when upgrading to a newer version of doxygen. For a description
# of the possible markers and block names see the documentation.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_HEADER            =

# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
# generated HTML page. If the tag is left blank doxygen will generate a standard
# footer. See HTML_HEADER for more information on how to generate a default
# footer and what special commands can be used inside the footer. See also
# section "Doxygen usage" for information on how to generate the default footer
# that doxygen normally uses.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_FOOTER            =

# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
# sheet that is used by each HTML page. It can be used to fine-tune the look of
# the HTML output. If left blank doxygen will generate a default style sheet.
# See also section "Doxygen usage" for information on how to generate the style
# sheet that doxygen normally uses.
# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
# it is more robust and this tag (HTML_STYLESHEET) will in the future become
# obsolete.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_STYLESHEET        =

# The HTML_EXTRA_STYLESHEET tag can be used to specify an additional user-
# defined cascading style sheet that is included after the standard style sheets
# created by doxygen. Using this option one can overrule certain style aspects.
# This is preferred over using HTML_STYLESHEET since it does not replace the
# standard style sheet and is therefor more robust against future updates.
# Doxygen will copy the style sheet file to the output directory. For an example
# see the documentation.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_EXTRA_STYLESHEET  =

# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
# other source files which should be copied to the HTML output directory. Note
# that these files will be copied to the base HTML output directory. Use the
# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
# files will be copied as-is; there are no commands or markers available.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_EXTRA_FILES       =

# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
# will adjust the colors in the stylesheet and background images according to
# this color. Hue is specified as an angle on a colorwheel, see
# http://en.wikipedia.org/wiki/Hue for more information. For instance the value
# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
# purple, and 360 is red again.
# Minimum value: 0, maximum value: 359, default value: 220.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_COLORSTYLE_HUE    = 220

# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
# in the HTML output. For a value of 0 the output will use grayscales only. A
# value of 255 will produce the most vivid colors.
# Minimum value: 0, maximum value: 255, default value: 100.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_COLORSTYLE_SAT    = 100

# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
# luminance component of the colors in the HTML output. Values below 100
# gradually make the output lighter, whereas values above 100 make the output
# darker. The value divided by 100 is the actual gamma applied, so 80 represents
# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
# change the gamma.
# Minimum value: 40, maximum value: 240, default value: 80.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_COLORSTYLE_GAMMA  = 80

# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
# page will contain the date and time when the page was generated. Setting this
# to NO can help when comparing the output of multiple runs.
# The default value is: YES.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_TIMESTAMP         = YES

# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
# documentation will contain sections that can be hidden and shown after the
# page has loaded.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_DYNAMIC_SECTIONS  = NO

# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
# shown in the various tree structured indices initially; the user can expand
# and collapse entries dynamically later on. Doxygen will expand the tree to
# such a level that at most the specified number of entries are visible (unless
# a fully collapsed tree already exceeds this amount). So setting the number of
# entries 1 will produce a full collapsed tree by default. 0 is a special value
# representing an infinite number of entries and will result in a full expanded
# tree by default.
# Minimum value: 0, maximum value: 9999, default value: 100.
# This tag requires that the tag GENERATE_HTML is set to YES.

HTML_INDEX_NUM_ENTRIES = 100

# If the GENERATE_DOCSET tag is set to YES, additional index files will be
# generated that can be used as input for Apple's Xcode 3 integrated development
# environment (see: http://developer.apple.com/tools/xcode/), introduced with
# OSX 10.5 (Leopard). To create a documentation set, doxygen will generate a
# Makefile in the HTML output directory. Running make will produce the docset in
# that directory and running make install will install the docset in
# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
# startup. See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
# for more information.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

GENERATE_DOCSET        = NO

# This tag determines the name of the docset feed. A documentation feed provides
# an umbrella under which multiple documentation sets from a single provider
# (such as a company or product suite) can be grouped.
# The default value is: Doxygen generated docs.
# This tag requires that the tag GENERATE_DOCSET is set to YES.

DOCSET_FEEDNAME        = "Doxygen generated docs"

# This tag specifies a string that should uniquely identify the documentation
# set bundle. This should be a reverse domain-name style string, e.g.
# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
# The default value is: org.doxygen.Project.
# This tag requires that the tag GENERATE_DOCSET is set to YES.

DOCSET_BUNDLE_ID       = org.doxygen.Project

# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
# the documentation publisher. This should be a reverse domain-name style
# string, e.g. com.mycompany.MyDocSet.documentation.
# The default value is: org.doxygen.Publisher.
# This tag requires that the tag GENERATE_DOCSET is set to YES.

DOCSET_PUBLISHER_ID    = org.doxygen.Publisher

# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
# The default value is: Publisher.
# This tag requires that the tag GENERATE_DOCSET is set to YES.

DOCSET_PUBLISHER_NAME  = Publisher

# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
# (see: http://www.microsoft.com/en-us/download/details.aspx?id=21138) on
# Windows.
#
# The HTML Help Workshop contains a compiler that can convert all HTML output
# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
# files are now used as the Windows 98 help format, and will replace the old
# Windows help format (.hlp) on all Windows platforms in the future. Compressed
# HTML files also contain an index, a table of contents, and you can search for
# words in the documentation. The HTML workshop also contains a viewer for
# compressed HTML files.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

GENERATE_HTMLHELP      = NO

# The CHM_FILE tag can be used to specify the file name of the resulting .chm
# file. You can add a path in front of the file if the result should not be
# written to the html output directory.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

CHM_FILE               =

# The HHC_LOCATION tag can be used to specify the location (absolute path
# including file name) of the HTML help compiler ( hhc.exe). If non-empty
# doxygen will try to run the HTML help compiler on the generated index.hhp.
# The file has to be specified with full path.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

HHC_LOCATION           =

# The GENERATE_CHI flag controls if a separate .chi index file is generated (
# YES) or that it should be included in the master .chm file ( NO).
# The default value is: NO.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

GENERATE_CHI           = NO

# The CHM_INDEX_ENCODING is used to encode HtmlHelp index ( hhk), content ( hhc)
# and project file content.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

CHM_INDEX_ENCODING     =

# The BINARY_TOC flag controls whether a binary table of contents is generated (
# YES) or a normal table of contents ( NO) in the .chm file.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

BINARY_TOC             = NO

# The TOC_EXPAND flag can be set to YES to add extra items for group members to
# the table of contents of the HTML help documentation and to the tree view.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTMLHELP is set to YES.

TOC_EXPAND             = NO

# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
# (.qch) of the generated HTML documentation.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

GENERATE_QHP           = NO

# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
# the file name of the resulting .qch file. The path specified is relative to
# the HTML output folder.
# This tag requires that the tag GENERATE_QHP is set to YES.

QCH_FILE               =

# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
# Project output. For more information please see Qt Help Project / Namespace
# (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#namespace).
# The default value is: org.doxygen.Project.
# This tag requires that the tag GENERATE_QHP is set to YES.

QHP_NAMESPACE          = org.doxygen.Project

# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
# Help Project output. For more information please see Qt Help Project / Virtual
# Folders (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#virtual-
# folders).
# The default value is: doc.
# This tag requires that the tag GENERATE_QHP is set to YES.

QHP_VIRTUAL_FOLDER     = doc

# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
# filter to add. For more information please see Qt Help Project / Custom
# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
# filters).
# This tag requires that the tag GENERATE_QHP is set to YES.

QHP_CUST_FILTER_NAME   =

# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
# custom filter to add. For more information please see Qt Help Project / Custom
# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
# filters).
# This tag requires that the tag GENERATE_QHP is set to YES.

QHP_CUST_FILTER_ATTRS  =

# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
# project's filter section matches. Qt Help Project / Filter Attributes (see:
# http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes).
# This tag requires that the tag GENERATE_QHP is set to YES.

QHP_SECT_FILTER_ATTRS  =

# The QHG_LOCATION tag can be used to specify the location of Qt's
# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the
# generated .qhp file.
# This tag requires that the tag GENERATE_QHP is set to YES.

QHG_LOCATION           =

# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
# generated, together with the HTML files, they form an Eclipse help plugin. To
# install this plugin and make it available under the help contents menu in
# Eclipse, the contents of the directory containing the HTML and XML files needs
# to be copied into the plugins directory of eclipse. The name of the directory
# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
# After copying Eclipse needs to be restarted before the help appears.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

GENERATE_ECLIPSEHELP   = NO

# A unique identifier for the Eclipse help plugin. When installing the plugin
# the directory name containing the HTML and XML files should also have this
# name. Each documentation set should have its own identifier.
# The default value is: org.doxygen.Project.
# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.

ECLIPSE_DOC_ID         = org.doxygen.Project

# If you want full control over the layout of the generated HTML pages it might
# be necessary to disable the index and replace it with your own. The
# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
# of each HTML page. A value of NO enables the index and the value YES disables
# it. Since the tabs in the index contain the same information as the navigation
# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

DISABLE_INDEX          = NO

# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
# structure should be generated to display hierarchical information. If the tag
# value is set to YES, a side panel will be generated containing a tree-like
# index structure (just like the one that is generated for HTML Help). For this
# to work a browser that supports JavaScript, DHTML, CSS and frames is required
# (i.e. any modern browser). Windows users are probably better off using the
# HTML help feature. Via custom stylesheets (see HTML_EXTRA_STYLESHEET) one can
# further fine-tune the look of the index. As an example, the default style
# sheet generated by doxygen has an example that shows how to put an image at
# the root of the tree instead of the PROJECT_NAME. Since the tree basically has
# the same information as the tab index, you could consider setting
# DISABLE_INDEX to YES when enabling this option.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

GENERATE_TREEVIEW      = NO

# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
# doxygen will group on one line in the generated HTML documentation.
#
# Note that a value of 0 will completely suppress the enum values from appearing
# in the overview section.
# Minimum value: 0, maximum value: 20, default value: 4.
# This tag requires that the tag GENERATE_HTML is set to YES.

ENUM_VALUES_PER_LINE   = 4

# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
# to set the initial width (in pixels) of the frame in which the tree is shown.
# Minimum value: 0, maximum value: 1500, default value: 250.
# This tag requires that the tag GENERATE_HTML is set to YES.

TREEVIEW_WIDTH         = 250

# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open links to
# external symbols imported via tag files in a separate window.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

EXT_LINKS_IN_WINDOW    = NO

# Use this tag to change the font size of LaTeX formulas included as images in
# the HTML documentation. When you change the font size after a successful
# doxygen run you need to manually remove any form_*.png images from the HTML
# output directory to force them to be regenerated.
# Minimum value: 8, maximum value: 50, default value: 10.
# This tag requires that the tag GENERATE_HTML is set to YES.

FORMULA_FONTSIZE       = 10

# Use the FORMULA_TRANPARENT tag to determine whether or not the images
# generated for formulas are transparent PNGs. Transparent PNGs are not
# supported properly for IE 6.0, but are supported on all modern browsers.
#
# Note that when changing this option you need to delete any form_*.png files in
# the HTML output directory before the changes have effect.
# The default value is: YES.
# This tag requires that the tag GENERATE_HTML is set to YES.

FORMULA_TRANSPARENT    = YES

# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
# http://www.mathjax.org) which uses client side Javascript for the rendering
# instead of using prerendered bitmaps. Use this if you do not have LaTeX
# installed or if you want to formulas look prettier in the HTML output. When
# enabled you may also need to install MathJax separately and configure the path
# to it using the MATHJAX_RELPATH option.
# The default value is: NO.
# This tag requires that the tag GENERATE_HTML is set to YES.

USE_MATHJAX            = NO

# When MathJax is enabled you can set the default output format to be used for
# the MathJax output. See the MathJax site (see:
# http://docs.mathjax.org/en/latest/output.html) for more details.
# Possible values are: HTML-CSS (which is slower, but has the best
# compatibility), NativeMML (i.e. MathML) and SVG.
# The default value is: HTML-CSS.
# This tag requires that the tag USE_MATHJAX is set to YES.

MATHJAX_FORMAT         = HTML-CSS

# When MathJax is enabled you need to specify the location relative to the HTML
# output directory using the MATHJAX_RELPATH option. The destination directory
# should contain the MathJax.js script. For instance, if the mathjax directory
# is located at the same level as the HTML output directory, then
# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
# Content Delivery Network so you can quickly see the result without installing
# MathJax. However, it is strongly recommended to install a local copy of
# MathJax from http://www.mathjax.org before deployment.
# The default value is: http://cdn.mathjax.org/mathjax/latest.
# This tag requires that the tag USE_MATHJAX is set to YES.

MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest

# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
# extension names that should be enabled during MathJax rendering. For example
# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
# This tag requires that the tag USE_MATHJAX is set to YES.

MATHJAX_EXTENSIONS     =

# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
# of code that will be used on startup of the MathJax code. See the MathJax site
# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an
# example see the documentation.
# This tag requires that the tag USE_MATHJAX is set to YES.

MATHJAX_CODEFILE       =

# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
# the HTML output. The underlying search engine uses javascript and DHTML and
# should work on any modern browser. Note that when using HTML help
# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
# there is already a search function so this one should typically be disabled.
# For large projects the javascript based search engine can be slow, then
# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
# search using the keyboard; to jump to the search box use <access key> + S
# (what the <access key> is depends on the OS and browser, but it is typically
# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
# key> to jump into the search results window, the results can be navigated
# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
# the search. The filter options can be selected when the cursor is inside the
# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
# to select a filter and <Enter> or <escape> to activate or cancel the filter
# option.
# The default value is: YES.
# This tag requires that the tag GENERATE_HTML is set to YES.

SEARCHENGINE           = YES

# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
# implemented using a web server instead of a web client using Javascript. There
# are two flavours of web server based searching depending on the
# EXTERNAL_SEARCH setting. When disabled, doxygen will generate a PHP script for
# searching and an index file used by the script. When EXTERNAL_SEARCH is
# enabled the indexing and searching needs to be provided by external tools. See
# the section "External Indexing and Searching" for details.
# The default value is: NO.
# This tag requires that the tag SEARCHENGINE is set to YES.

SERVER_BASED_SEARCH    = NO

# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
# script for searching. Instead the search results are written to an XML file
# which needs to be processed by an external indexer. Doxygen will invoke an
# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
# search results.
#
# Doxygen ships with an example indexer ( doxyindexer) and search engine
# (doxysearch.cgi) which are based on the open source search engine library
# Xapian (see: http://xapian.org/).
#
# See the section "External Indexing and Searching" for details.
# The default value is: NO.
# This tag requires that the tag SEARCHENGINE is set to YES.

EXTERNAL_SEARCH        = NO

# The SEARCHENGINE_URL should point to a search engine hosted by a web server
# which will return the search results when EXTERNAL_SEARCH is enabled.
#
# Doxygen ships with an example indexer ( doxyindexer) and search engine
# (doxysearch.cgi) which are based on the open source search engine library
# Xapian (see: http://xapian.org/). See the section "External Indexing and
# Searching" for details.
# This tag requires that the tag SEARCHENGINE is set to YES.

SEARCHENGINE_URL       =

# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
# search data is written to a file for indexing by an external tool. With the
# SEARCHDATA_FILE tag the name of this file can be specified.
# The default file is: searchdata.xml.
# This tag requires that the tag SEARCHENGINE is set to YES.

SEARCHDATA_FILE        = searchdata.xml

# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
# projects and redirect the results back to the right project.
# This tag requires that the tag SEARCHENGINE is set to YES.

EXTERNAL_SEARCH_ID     =

# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
# projects other than the one defined by this configuration file, but that are
# all added to the same external search index. Each project needs to have a
# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
# to a relative location where the documentation can be found. The format is:
# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
# This tag requires that the tag SEARCHENGINE is set to YES.

EXTRA_SEARCH_MAPPINGS  =

#---------------------------------------------------------------------------
# Configuration options related to the LaTeX output
#---------------------------------------------------------------------------

# If the GENERATE_LATEX tag is set to YES doxygen will generate LaTeX output.
# The default value is: YES.

GENERATE_LATEX         = NO

# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
# it.
# The default directory is: latex.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_OUTPUT           = latex

# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
# invoked.
#
# Note that when enabling USE_PDFLATEX this option is only used for generating
# bitmaps for formulas in the HTML output, but not in the Makefile that is
# written to the output directory.
# The default file is: latex.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_CMD_NAME         = latex

# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
# index for LaTeX.
# The default file is: makeindex.
# This tag requires that the tag GENERATE_LATEX is set to YES.

MAKEINDEX_CMD_NAME     = makeindex

# If the COMPACT_LATEX tag is set to YES doxygen generates more compact LaTeX
# documents. This may be useful for small projects and may help to save some
# trees in general.
# The default value is: NO.
# This tag requires that the tag GENERATE_LATEX is set to YES.

COMPACT_LATEX          = NO

# The PAPER_TYPE tag can be used to set the paper type that is used by the
# printer.
# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
# 14 inches) and executive (7.25 x 10.5 inches).
# The default value is: a4.
# This tag requires that the tag GENERATE_LATEX is set to YES.

PAPER_TYPE             = a4

# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
# that should be included in the LaTeX output. To get the times font for
# instance you can specify
# EXTRA_PACKAGES=times
# If left blank no extra packages will be included.
# This tag requires that the tag GENERATE_LATEX is set to YES.

EXTRA_PACKAGES         =

# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the
# generated LaTeX document. The header should contain everything until the first
# chapter. If it is left blank doxygen will generate a standard header. See
# section "Doxygen usage" for information on how to let doxygen write the
# default header to a separate file.
#
# Note: Only use a user-defined header if you know what you are doing! The
# following commands have a special meaning inside the header: $title,
# $datetime, $date, $doxygenversion, $projectname, $projectnumber. Doxygen will
# replace them by respectively the title of the page, the current date and time,
# only the current date, the version number of doxygen, the project name (see
# PROJECT_NAME), or the project number (see PROJECT_NUMBER).
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_HEADER           =

# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the
# generated LaTeX document. The footer should contain everything after the last
# chapter. If it is left blank doxygen will generate a standard footer.
#
# Note: Only use a user-defined footer if you know what you are doing!
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_FOOTER           =

# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
# other source files which should be copied to the LATEX_OUTPUT output
# directory. Note that the files will be copied as-is; there are no commands or
# markers available.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_EXTRA_FILES      =

# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
# contain links (just like the HTML output) instead of page references. This
# makes the output suitable for online browsing using a PDF viewer.
# The default value is: YES.
# This tag requires that the tag GENERATE_LATEX is set to YES.

PDF_HYPERLINKS         = YES

# If the LATEX_PDFLATEX tag is set to YES, doxygen will use pdflatex to generate
# the PDF file directly from the LaTeX files. Set this option to YES to get a
# higher quality PDF documentation.
# The default value is: YES.
# This tag requires that the tag GENERATE_LATEX is set to YES.

USE_PDFLATEX           = YES

# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
# command to the generated LaTeX files. This will instruct LaTeX to keep running
# if errors occur, instead of asking the user for help. This option is also used
# when generating formulas in HTML.
# The default value is: NO.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_BATCHMODE        = NO

# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
# index chapters (such as File Index, Compound Index, etc.) in the output.
# The default value is: NO.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_HIDE_INDICES     = NO

# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source
# code with syntax highlighting in the LaTeX output.
#
# Note that which sources are shown also depends on other settings such as
# SOURCE_BROWSER.
# The default value is: NO.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_SOURCE_CODE      = NO

# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
# bibliography, e.g. plainnat, or ieeetr. See
# http://en.wikipedia.org/wiki/BibTeX and \cite for more info.
# The default value is: plain.
# This tag requires that the tag GENERATE_LATEX is set to YES.

LATEX_BIB_STYLE        = plain

#---------------------------------------------------------------------------
# Configuration options related to the RTF output
#---------------------------------------------------------------------------

# If the GENERATE_RTF tag is set to YES doxygen will generate RTF output. The
# RTF output is optimized for Word 97 and may not look too pretty with other RTF
# readers/editors.
# The default value is: NO.

GENERATE_RTF           = NO

# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
# it.
# The default directory is: rtf.
# This tag requires that the tag GENERATE_RTF is set to YES.

RTF_OUTPUT             = rtf

# If the COMPACT_RTF tag is set to YES doxygen generates more compact RTF
# documents. This may be useful for small projects and may help to save some
# trees in general.
# The default value is: NO.
# This tag requires that the tag GENERATE_RTF is set to YES.

COMPACT_RTF            = NO

# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
# contain hyperlink fields. The RTF file will contain links (just like the HTML
# output) instead of page references. This makes the output suitable for online
# browsing using Word or some other Word compatible readers that support those
# fields.
#
# Note: WordPad (write) and others do not support links.
# The default value is: NO.
# This tag requires that the tag GENERATE_RTF is set to YES.

RTF_HYPERLINKS         = NO

# Load stylesheet definitions from file. Syntax is similar to doxygen's config
# file, i.e. a series of assignments. You only have to provide replacements,
# missing definitions are set to their default value.
#
# See also section "Doxygen usage" for information on how to generate the
# default style sheet that doxygen normally uses.
# This tag requires that the tag GENERATE_RTF is set to YES.

RTF_STYLESHEET_FILE    =

# Set optional variables used in the generation of an RTF document. Syntax is
# similar to doxygen's config file. A template extensions file can be generated
# using doxygen -e rtf extensionFile.
# This tag requires that the tag GENERATE_RTF is set to YES.

RTF_EXTENSIONS_FILE    =

#---------------------------------------------------------------------------
# Configuration options related to the man page output
#---------------------------------------------------------------------------

# If the GENERATE_MAN tag is set to YES doxygen will generate man pages for
# classes and files.
# The default value is: NO.

GENERATE_MAN           = NO

# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a
# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
# it. A directory man3 will be created inside the directory specified by
# MAN_OUTPUT.
# The default directory is: man.
# This tag requires that the tag GENERATE_MAN is set to YES.

MAN_OUTPUT             = man

# The MAN_EXTENSION tag determines the extension that is added to the generated
# man pages. In case the manual section does not start with a number, the number
# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is
# optional.
# The default value is: .3.
# This tag requires that the tag GENERATE_MAN is set to YES.

MAN_EXTENSION          = .3

# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
# will generate one additional man file for each entity documented in the real
# man page(s). These additional files only source the real man page, but without
# them the man command would be unable to find the correct page.
# The default value is: NO.
# This tag requires that the tag GENERATE_MAN is set to YES.

MAN_LINKS              = NO

#---------------------------------------------------------------------------
# Configuration options related to the XML output
#---------------------------------------------------------------------------

# If the GENERATE_XML tag is set to YES doxygen will generate an XML file that
# captures the structure of the code including all documentation.
# The default value is: NO.

GENERATE_XML           = NO

# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
# it.
# The default directory is: xml.
# This tag requires that the tag GENERATE_XML is set to YES.

XML_OUTPUT             = xml

# The XML_SCHEMA tag can be used to specify a XML schema, which can be used by a
# validating XML parser to check the syntax of the XML files.
# This tag requires that the tag GENERATE_XML is set to YES.

XML_SCHEMA             =

# The XML_DTD tag can be used to specify a XML DTD, which can be used by a
# validating XML parser to check the syntax of the XML files.
# This tag requires that the tag GENERATE_XML is set to YES.

XML_DTD                =

# If the XML_PROGRAMLISTING tag is set to YES doxygen will dump the program
# listings (including syntax highlighting and cross-referencing information) to
# the XML output. Note that enabling this will significantly increase the size
# of the XML output.
# The default value is: YES.
# This tag requires that the tag GENERATE_XML is set to YES.

XML_PROGRAMLISTING     = YES

#---------------------------------------------------------------------------
# Configuration options related to the DOCBOOK output
#---------------------------------------------------------------------------

# If the GENERATE_DOCBOOK tag is set to YES doxygen will generate Docbook files
# that can be used to generate PDF.
# The default value is: NO.

GENERATE_DOCBOOK       = NO

# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in
# front of it.
# The default directory is: docbook.
# This tag requires that the tag GENERATE_DOCBOOK is set to YES.

DOCBOOK_OUTPUT         = docbook

#---------------------------------------------------------------------------
# Configuration options for the AutoGen Definitions output
#---------------------------------------------------------------------------

# If the GENERATE_AUTOGEN_DEF tag is set to YES doxygen will generate an AutoGen
# Definitions (see http://autogen.sf.net) file that captures the structure of
# the code including all documentation. Note that this feature is still
# experimental and incomplete at the moment.
# The default value is: NO.

GENERATE_AUTOGEN_DEF   = NO

#---------------------------------------------------------------------------
# Configuration options related to the Perl module output
#---------------------------------------------------------------------------

# If the GENERATE_PERLMOD tag is set to YES doxygen will generate a Perl module
# file that captures the structure of the code including all documentation.
#
# Note that this feature is still experimental and incomplete at the moment.
# The default value is: NO.

GENERATE_PERLMOD       = NO

# If the PERLMOD_LATEX tag is set to YES doxygen will generate the necessary
# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI
# output from the Perl module output.
# The default value is: NO.
# This tag requires that the tag GENERATE_PERLMOD is set to YES.

PERLMOD_LATEX          = NO

# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be nicely
# formatted so it can be parsed by a human reader. This is useful if you want to
# understand what is going on. On the other hand, if this tag is set to NO the
# size of the Perl module output will be much smaller and Perl will parse it
# just the same.
# The default value is: YES.
# This tag requires that the tag GENERATE_PERLMOD is set to YES.

PERLMOD_PRETTY         = YES

# The names of the make variables in the generated doxyrules.make file are
# prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. This is useful
# so different doxyrules.make files included by the same Makefile don't
# overwrite each other's variables.
# This tag requires that the tag GENERATE_PERLMOD is set to YES.

PERLMOD_MAKEVAR_PREFIX =

#---------------------------------------------------------------------------
# Configuration options related to the preprocessor
#---------------------------------------------------------------------------

# If the ENABLE_PREPROCESSING tag is set to YES doxygen will evaluate all
# C-preprocessor directives found in the sources and include files.
# The default value is: YES.

ENABLE_PREPROCESSING   = YES

# If the MACRO_EXPANSION tag is set to YES doxygen will expand all macro names
# in the source code. If set to NO only conditional compilation will be
# performed. Macro expansion can be done in a controlled way by setting
# EXPAND_ONLY_PREDEF to YES.
# The default value is: NO.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

MACRO_EXPANSION        = YES

# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES then
# the macro expansion is limited to the macros specified with the PREDEFINED and
# EXPAND_AS_DEFINED tags.
# The default value is: NO.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

EXPAND_ONLY_PREDEF     = YES

# If the SEARCH_INCLUDES tag is set to YES the includes files in the
# INCLUDE_PATH will be searched if a #include is found.
# The default value is: YES.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

SEARCH_INCLUDES        = YES

# The INCLUDE_PATH tag can be used to specify one or more directories that
# contain include files that are not input files but should be processed by the
# preprocessor.
# This tag requires that the tag SEARCH_INCLUDES is set to YES.

INCLUDE_PATH           =

# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
# patterns (like *.h and *.hpp) to filter out the header-files in the
# directories. If left blank, the patterns specified with FILE_PATTERNS will be
# used.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

INCLUDE_FILE_PATTERNS  =

# The PREDEFINED tag can be used to specify one or more macro names that are
# defined before the preprocessor is started (similar to the -D option of e.g.
# gcc). The argument of the tag is a list of macros of the form: name or
# name=definition (no spaces). If the definition and the "=" are omitted, "=1"
# is assumed. To prevent a macro definition from being undefined via #undef or
# recursively expanded use the := operator instead of the = operator.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

PREDEFINED             = __attribute__(x)=

# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
# tag can be used to specify a list of macro names that should be expanded. The
# macro definition that is found in the sources will be used. Use the PREDEFINED
# tag if you want to use a different macro definition that overrules the
# definition found in the source code.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

EXPAND_AS_DEFINED      =

# If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
# remove all refrences to function-like macros that are alone on a line, have an
# all uppercase name, and do not end with a semicolon. Such function macros are
# typically used for boiler-plate code, and will confuse the parser if not
# removed.
# The default value is: YES.
# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.

SKIP_FUNCTION_MACROS   = YES

#---------------------------------------------------------------------------
# Configuration options related to external references
#---------------------------------------------------------------------------

# The TAGFILES tag can be used to specify one or more tag files. For each tag
# file the location of the external documentation should be added. The format of
# a tag file without this location is as follows:
# TAGFILES = file1 file2 ...
# Adding location for the tag files is done as follows:
# TAGFILES = file1=loc1 "file2 = loc2" ...
# where loc1 and loc2 can be relative or absolute paths or URLs. See the
# section "Linking to external documentation" for more information about the use
# of tag files.
# Note: Each tag file must have an unique name (where the name does NOT include
# the path). If a tag file is not located in the directory in which doxygen is
# run, you must also specify the path to the tagfile here.

TAGFILES               =

# When a file name is specified after GENERATE_TAGFILE, doxygen will create a
# tag file that is based on the input files it reads. See section "Linking to
# external documentation" for more information about the usage of tag files.

GENERATE_TAGFILE       =

# If the ALLEXTERNALS tag is set to YES all external class will be listed in the
# class index. If set to NO only the inherited external classes will be listed.
# The default value is: NO.

ALLEXTERNALS           = NO

# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed in
# the modules index. If set to NO, only the current project's groups will be
# listed.
# The default value is: YES.

EXTERNAL_GROUPS        = YES

# If the EXTERNAL_PAGES tag is set to YES all external pages will be listed in
# the related pages index. If set to NO, only the current project's pages will
# be listed.
# The default value is: YES.

EXTERNAL_PAGES         = YES

# The PERL_PATH should be the absolute path and name of the perl script
# interpreter (i.e. the result of 'which perl').
# The default file (with absolute path) is: /usr/bin/perl.

PERL_PATH              = /usr/bin/perl

#---------------------------------------------------------------------------
# Configuration options related to the dot tool
#---------------------------------------------------------------------------

# If the CLASS_DIAGRAMS tag is set to YES doxygen will generate a class diagram
# (in HTML and LaTeX) for classes with base or super classes. Setting the tag to
# NO turns the diagrams off. Note that this option also works with HAVE_DOT
# disabled, but it is recommended to install and use dot, since it yields more
# powerful graphs.
# The default value is: YES.

CLASS_DIAGRAMS         = YES

# You can define message sequence charts within doxygen comments using the \msc
# command. Doxygen will then run the mscgen tool (see:
# http://www.mcternan.me.uk/mscgen/)) to produce the chart and insert it in the
# documentation. The MSCGEN_PATH tag allows you to specify the directory where
# the mscgen tool resides. If left empty the tool is assumed to be found in the
# default search path.

MSCGEN_PATH            =

# You can include diagrams made with dia in doxygen documentation. Doxygen will
# then run dia to produce the diagram and insert it in the documentation. The
# DIA_PATH tag allows you to specify the directory where the dia binary resides.
# If left empty dia is assumed to be found in the default search path.

DIA_PATH               =

# If set to YES, the inheritance and collaboration graphs will hide inheritance
# and usage relations if the target is undocumented or is not a class.
# The default value is: YES.

HIDE_UNDOC_RELATIONS   = YES

# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
# available from the path. This tool is part of Graphviz (see:
# http://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent
# Bell Labs. The other options in this section have no effect if this option is
# set to NO
# The default value is: NO.

HAVE_DOT               = NO

# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
# to run in parallel. When set to 0 doxygen will base this on the number of
# processors available in the system. You can set it explicitly to a value
# larger than 0 to get control over the balance between CPU load and processing
# speed.
# Minimum value: 0, maximum value: 32, default value: 0.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_NUM_THREADS        = 0

# When you want a differently looking font n the dot files that doxygen
# generates you can specify the font name using DOT_FONTNAME. You need to make
# sure dot is able to find the font, which can be done by putting it in a
# standard location or by setting the DOTFONTPATH environment variable or by
# setting DOT_FONTPATH to the directory containing the font.
# The default value is: Helvetica.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_FONTNAME           = Helvetica

# The DOT_FONTSIZE tag can be used to set the size (in points) of the font of
# dot graphs.
# Minimum value: 4, maximum value: 24, default value: 10.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_FONTSIZE           = 10

# By default doxygen will tell dot to use the default font as specified with
# DOT_FONTNAME. If you specify a different font using DOT_FONTNAME you can set
# the path where dot can find it using this tag.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_FONTPATH           =

# If the CLASS_GRAPH tag is set to YES then doxygen will generate a graph for
# each documented class showing the direct and indirect inheritance relations.
# Setting this tag to YES will force the CLASS_DIAGRAMS tag to NO.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

CLASS_GRAPH            = YES

# If the COLLABORATION_GRAPH tag is set to YES then doxygen will generate a
# graph for each documented class showing the direct and indirect implementation
# dependencies (inheritance, containment, and class references variables) of the
# class with other documented classes.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

COLLABORATION_GRAPH    = YES

# If the GROUP_GRAPHS tag is set to YES then doxygen will generate a graph for
# groups, showing the direct groups dependencies.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

GROUP_GRAPHS           = YES

# If the UML_LOOK tag is set to YES doxygen will generate inheritance and
# collaboration diagrams in a style similar to the OMG's Unified Modeling
# Language.
# The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES.

UML_LOOK               = NO

# If the UML_LOOK tag is enabled, the fields and methods are shown inside the
# class node. If there are many fields or methods and many nodes the graph may
# become too big to be useful. The UML_LIMIT_NUM_FIELDS threshold limits the
# number of items for each type to make the size more manageable. Set this to 0
# for no limit. Note that the threshold may be exceeded by 50% before the limit
# is enforced. So when you set the threshold to 10, up to 15 fields may appear,
# but if the number exceeds 15, the total amount of fields shown is limited to
# 10.
# Minimum value: 0, maximum value: 100, default value: 10.
# This tag requires that the tag HAVE_DOT is set to YES.

UML_LIMIT_NUM_FIELDS   = 10

# If the TEMPLATE_RELATIONS tag is set to YES then the inheritance and
# collaboration graphs will show the relations between templates and their
# instances.
# The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES.

TEMPLATE_RELATIONS     = NO

# If the INCLUDE_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are set to
# YES then doxygen will generate a graph for each documented file showing the
# direct and indirect include dependencies of the file with other documented
# files.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

INCLUDE_GRAPH          = YES

# If the INCLUDED_BY_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are
# set to YES then doxygen will generate a graph for each documented file showing
# the direct and indirect include dependencies of the file with other documented
# files.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

INCLUDED_BY_GRAPH      = YES

# If the CALL_GRAPH tag is set to YES then doxygen will generate a call
# dependency graph for every global function or class method.
#
# Note that enabling this option will significantly increase the time of a run.
# So in most cases it will be better to enable call graphs for selected
# functions only using the \callgraph command.
# The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES.

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# If the CALLER_GRAPH tag is set to YES then doxygen will generate a caller
# dependency graph for every global function or class method.
#
# Note that enabling this option will significantly increase the time of a run.
# So in most cases it will be better to enable caller graphs for selected
# functions only using the \callergraph command.
# The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES.

CALLER_GRAPH           = NO

# If the GRAPHICAL_HIERARCHY tag is set to YES then doxygen will graphical
# hierarchy of all classes instead of a textual one.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

GRAPHICAL_HIERARCHY    = YES

# If the DIRECTORY_GRAPH tag is set to YES then doxygen will show the
# dependencies a directory has on other directories in a graphical way. The
# dependency relations are determined by the #include relations between the
# files in the directories.
# The default value is: YES.
# This tag requires that the tag HAVE_DOT is set to YES.

DIRECTORY_GRAPH        = YES

# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
# generated by dot.
# Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order
# to make the SVG files visible in IE 9+ (other browsers do not have this
# requirement).
# Possible values are: png, jpg, gif and svg.
# The default value is: png.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_IMAGE_FORMAT       = png

# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
# enable generation of interactive SVG images that allow zooming and panning.
#
# Note that this requires a modern browser other than Internet Explorer. Tested
# and working are Firefox, Chrome, Safari, and Opera.
# Note: For IE 9+ you need to set HTML_FILE_EXTENSION to xhtml in order to make
# the SVG files visible. Older versions of IE do not have SVG support.
# The default value is: NO.
# This tag requires that the tag HAVE_DOT is set to YES.

INTERACTIVE_SVG        = NO

# The DOT_PATH tag can be used to specify the path where the dot tool can be
# found. If left blank, it is assumed the dot tool can be found in the path.
# This tag requires that the tag HAVE_DOT is set to YES.

DOT_PATH               =

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# This tag requires that the tag HAVE_DOT is set to YES.

DOTFILE_DIRS           =

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# contain msc files that are included in the documentation (see the \mscfile
# command).

MSCFILE_DIRS           =

# The DIAFILE_DIRS tag can be used to specify one or more directories that
# contain dia files that are included in the documentation (see the \diafile
# command).

DIAFILE_DIRS           =

# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of nodes
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# by representing a node as a red box. Note that doxygen if the number of direct
# children of the root node in a graph is already larger than
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# generated by dot. A depth value of 3 means that only nodes reachable from the
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# note that the size of a graph can be further restricted by
# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
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MAX_DOT_GRAPH_DEPTH    = 0

# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
# background. This is disabled by default, because dot on Windows does not seem
# to support this out of the box.
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# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
# read).
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DOT_TRANSPARENT        = NO

# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output
# files in one run (i.e. multiple -o and -T options on the command line). This
# makes dot run faster, but since only newer versions of dot (>1.8.10) support
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# This tag requires that the tag HAVE_DOT is set to YES.

DOT_MULTI_TARGETS      = NO

# If the GENERATE_LEGEND tag is set to YES doxygen will generate a legend page
# explaining the meaning of the various boxes and arrows in the dot generated
# graphs.
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GENERATE_LEGEND        = YES

# If the DOT_CLEANUP tag is set to YES doxygen will remove the intermediate dot
# files that are used to generate the various graphs.
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07070100000010000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000001D00000000libmicrodns-0.2.0+6/examples07070100000011000081A40000000000000000000000016291210E000011D2000000000000000000000000000000000000002800000000libmicrodns-0.2.0+6/examples/announce.c/*
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdio.h>
#include <signal.h>
#include <string.h>

#include <microdns/microdns.h>

#include "compat.h"

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

volatile sig_atomic_t sigflag = 0;

static void sighandler(int signum)
{
        char s[] = "SIGINT received, exiting ...\n";

ssize_t result = write(fileno(stdout), s, sizeof(s));
        (void)result;
        sigflag = 1;
}

static bool stop(void *cbarg)
{
        return (sigflag ? true : false);
}

static void callback(void *cbarg, const struct sockaddr *mdns_ip,
                     const char* service, enum mdns_announce_type type)
{
        if ( service != NULL && strcmp( service, "_googlecast._tcp.local" ) )
            return;
        struct mdns_ctx *ctx = (struct mdns_ctx *) cbarg;
        struct mdns_hdr hdr = {0};
        struct rr_entry answers[4] = {{0}}; // A/AAAA, SRV, TXT, PTR

hdr.flags |= FLAG_QR;
        hdr.flags |= FLAG_AA;
        hdr.num_ans_rr = sizeof(answers) / sizeof(answers[0]);

for (int i = 0; i < hdr.num_ans_rr; i++)
        {
                
                answers[i].rr_class = RR_IN;
                answers[i].ttl      = type == MDNS_ANNOUNCE_GOODBYE ? 0 : 120;
                answers[i].msbit = 1;

if (i + 1 < hdr.num_ans_rr)
                        answers[i].next = &answers[i + 1];
        }

char domain_name[] = "mdnshost.local";
        char service_type[] = "_googlecast._tcp.local";
        // link service type (_googlecast._tcp) to our domain (mdnshost.local) 
        char service_type_link[] = "mdnshost mDNShost._googlecast._tcp.local";

// RR_PTR: point service type (_vlc._tcp._local) to local domain
        answers[0].type     = RR_PTR;
        answers[0].name     = service_type;
        answers[0].data.PTR.domain = service_type_link;

// RR_TXT: provide additional information (HTTP server root directory etc.)
        answers[1].type     = RR_TXT;
        answers[1].name     = service_type_link;
        
        // RR_SRV: provide info about the service we're announcing (port no, etc.)
        answers[2].type     = RR_SRV;
        answers[2].name     = service_type_link;
        answers[2].data.SRV.port = 9001;
        answers[2].data.SRV.priority = 0;
        answers[2].data.SRV.weight = 0;
        answers[2].data.SRV.target = domain_name;
       
        // RR_A/AAAA: link .local domain to IP address
        answers[3].name     = domain_name;
        if (mdns_ip->sa_family == AF_INET)
        {
                answers[3].type     = RR_A;
                memcpy(&answers[3].data.A.addr,
                        &((struct sockaddr_in*)mdns_ip)->sin_addr,
                        sizeof(answers[3].data.A.addr));
        }
        else
        {
                answers[3].type     = RR_AAAA;
                memcpy(&answers[3].data.AAAA.addr,
                        &((struct sockaddr_in6*)mdns_ip)->sin6_addr,
                        sizeof(answers[3].data.AAAA.addr));
        }

mdns_entries_send(ctx, &hdr, answers);
}

int main(int argc, char *argv[])
{
        int r = 0;
        char err[128];
        struct mdns_ctx *ctx;

signal(SIGINT, sighandler);
        signal(SIGTERM, sighandler);

if ((r = mdns_init(&ctx, NULL, MDNS_PORT)) < 0)
                goto err;

// test with `ping mdnshost.local` after discovery (run ./test first)
        // NB: a zeroconf service (eg Avahi) must be running for ping to work
        mdns_announce(ctx, RR_PTR, callback, ctx);

if ((r = mdns_serve(ctx, stop, NULL)) < 0)
                goto err;
err:
        if (r < 0) {
                mdns_strerror(r, err, sizeof(err));
                fprintf(stderr, "fatal: %s\n", err);
        }
        mdns_destroy(ctx);
        return (0);
}
07070100000012000081A40000000000000000000000016291210E00000A1D000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/examples/main.c/*
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <compat.h>
#include <stdio.h>
#include <signal.h>

#include <microdns/microdns.h>

#include "compat.h"

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

volatile sig_atomic_t sigflag = 0;

static void sighandler(int signum)
{
        char s[] = "SIGINT received, exiting ...\n";

ssize_t result = write(fileno(stdout), s, sizeof(s));
        (void)result;
        sigflag = 1;
}

static bool stop(void *p_cookie)
{
        return (sigflag ? true : false);
}

static void callback(void *p_cookie, int status, const struct rr_entry *entries)
{
        char err[128];

if (status < 0) {
                mdns_strerror(status, err, sizeof(err));
                fprintf(stderr, "error: %s\n", err);
                return;
        }
        mdns_entries_print(entries);
}

int main(int i_argc, char *ppsz_argv[])
{
        int r = 0;
        char err[128];
        struct mdns_ctx *ctx;
        const char **ppsz_names;
        int i_nb_names;
        static const char *psz_default_name = "_googlecast._tcp.local";

if (i_argc > 1)
        {
                ppsz_names = (const char **) &ppsz_argv[1];
                i_nb_names = i_argc - 1;
        }
        else
        {
                ppsz_names = &psz_default_name;
                i_nb_names = 1;
        }
        signal(SIGINT, &sighandler);

if ((r = mdns_init(&ctx, NULL, MDNS_PORT)) < 0)
                goto err;
        if ((r = mdns_listen(ctx, ppsz_names, i_nb_names, RR_PTR, 10, stop,
                             callback, NULL)) < 0)
                goto err;
err:
        if (r < 0) {
                mdns_strerror(r, err, sizeof(err));
                fprintf(stderr, "fatal: %s\n", err);
        }
        mdns_destroy(ctx);
        return (0);
}
07070100000013000081A40000000000000000000000016291210E00000141000000000000000000000000000000000000002900000000libmicrodns-0.2.0+6/examples/meson.buildif get_option('examples').disabled()
    subdir_done()
endif

examples_kwargs = {
    'include_directories': incdirs,
    'link_with': libmicrodns,
    'c_args': c_args,
    'link_args': link_flags,
}

executable('listen', 'main.c', kwargs: examples_kwargs)
executable('announce', 'announce.c', kwargs: examples_kwargs)

07070100000014000041ED0000000000000000000000036291210E00000000000000000000000000000000000000000000001C00000000libmicrodns-0.2.0+6/include07070100000015000081A40000000000000000000000016291210E0000067F000000000000000000000000000000000000002300000000libmicrodns-0.2.0+6/include/mdns.h/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2020 VideoLabs SAS
 *
 * Author: Hugo Beauzée-Luyssen <hugo@beauzee.fr>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef MDNS_H
#define MDNS_H

#include "microdns/microdns.h"

int
mdns_parse(struct mdns_hdr *hdr, struct rr_entry **entries, const uint8_t *buf,
           size_t length);
int
mdns_write(const struct mdns_hdr *hdr, const struct rr_entry *entries,
           uint8_t *buf, size_t bufSize, size_t* length);

void
mdns_free(struct rr_entry *entries);

#endif // MDNS_H
07070100000016000081A40000000000000000000000016291210E00000084000000000000000000000000000000000000002800000000libmicrodns-0.2.0+6/include/meson.buildlibmicrodns_headers = [
    'microdns/microdns.h',
    'microdns/rr.h',
]

install_headers(libmicrodns_headers, subdir: 'microdns')
07070100000017000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000002500000000libmicrodns-0.2.0+6/include/microdns07070100000018000081A40000000000000000000000016291210E00001EA2000000000000000000000000000000000000003000000000libmicrodns-0.2.0+6/include/microdns/microdns.h/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2014-2016 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef MICRODNS_MDNS_H
#define MICRODNS_MDNS_H

/**
 * @file microdns.h
 * @brief main functions to listen and announce services
 */

#include <stdbool.h>

#include "rr.h"

# ifdef __cplusplus
extern "C" {
# endif

#if defined(_MSC_VER)
#define MDNS_EXPORT __declspec(dllexport) extern
#else
#define MDNS_EXPORT extern
#endif

struct mdns_ctx;

#define MDNS_PORT        5353
#define MDNS_ADDR_IPV4   "224.0.0.251"
#define MDNS_ADDR_IPV6   "FF02::FB"

#define GET_RCODE(x)    (x&0x000f)
#define SET_RCODE(x,c)  (x|(c&0x000f))

#define GET_OPCODE(x)   (x&0x7800)
#define SET_OPCODE(x,c) (x|(c&0x7800))

enum mdns_hdr_flag {
       FLAG_QR = 1 << 15, // Question/Response
       FLAG_AA = 1 << 10, // Authoritative Answer
       FLAG_TC = 1 <<  9, // Truncated Response
       FLAG_RD = 1 <<  8, // Recursion Desired
       FLAG_RA = 1 <<  7, // Recursion Available
       FLAG_Z  = 1 <<  6, // Reserved
       FLAG_AD = 1 <<  5, // Authentic Data
       FLAG_CD = 1 <<  4, // Checking Disabled
};

struct mdns_hdr {
        uint16_t id;
        uint16_t flags;
        uint16_t num_qn;
        uint16_t num_ans_rr;
        uint16_t num_auth_rr;
        uint16_t num_add_rr;
};

enum mdns_announce_type {
    MDNS_ANNOUNCE_INITIAL,  // An initial announce needs to be sent
    MDNS_ANNOUNCE_RESPONSE, // The application needs to respond to an MDNS question
    MDNS_ANNOUNCE_GOODBYE,  // A goodbye packet needs to be sent
};

typedef void (*mdns_listen_callback)(void*, int, const struct rr_entry *);

/**
 * @brief mdns_announce_callback Will be invoked for each received question
 *
 * @param cookie The pointer provided as last parameter to mdns_serve
 * @param addr The address for which a probe was received
 * @param service The service being probed or NULL when an initial discovery is requested
 * @param type The type of announce that's expected from the application
 *
 * It is the application responsibility to filter which service it should respond
 * to.
 * This callback will be invoked with a NULL service upon startup so that the
 * application can send a unsolicited announce. If there are more than a single
 * network interface, this callback might be invoked multiple times for the same
 * service, so that the application can announce itself as it sees fit (for
 * instance it can announce both an A and AAAA records)
 * This callback will also be invoked with a non-NULL service and
 * MDNS_ANNOUNCE_INITIAL if the requests it through mdns_request_initial_announce
 * In this case the application is responsible for knowing which service needs
 * to be announced and announce it accordingly.
 */
typedef void (*mdns_announce_callback)(void* cookie,
                                       const struct sockaddr *addr,
                                       const char* service,
                                       enum mdns_announce_type type );

/**
 * \return true if the listener should be stopped
 */
typedef bool (*mdns_stop_func)(void*);

/**
 * @brief Allocates and initialize a new mdns context
 *
 * @param ctx Returns the allocated context for the library [OUT]
 * @param addr Protocol specific address to listen to, or NULL to use both IPv4 and IPv6
 * @param port Port to listen on
 *
 * @see use mdns_destroy() to clean
 *
 * @return 0 if success, negative in other cases
 */
MDNS_EXPORT int mdns_init(struct mdns_ctx **ctx, const char *addr, unsigned short port);

/**
 * @brief Destroy an mdns context
 *
 * @param ctx The context created by mdns_init()
 *
 * @return 0 if success, negative in other cases
 */
MDNS_EXPORT int mdns_destroy(struct mdns_ctx *ctx);

/**
 * @brief Send the entries on the network
 *
 * @param ctx A mdns context created by mdns_init()
 * @param hdr A mdns_hdr header
 * @param entries The entries to send
 *
 * @return 0 if successful, negative in other cases
 */
MDNS_EXPORT int mdns_entries_send(const struct mdns_ctx *ctx, const struct mdns_hdr *hdr, const struct rr_entry *entries);

/**
 * @brief Print in human form an entry to debug
 *
 * @param entry The entry one wants to debug
 */
MDNS_EXPORT void mdns_entries_print(const struct rr_entry *);

/**
 * @brief Wrapper around strerror to get strings from errors
 *
 * @param error The error number
 * @param buf The buffer where the string can be written
 * @param n The maximum of characters that can be written inside buf
 *
 * @return 0 if success, negative in other cases
 */
MDNS_EXPORT int mdns_strerror(int error, char *buf, size_t n);

/**
 * @brief The main listening function for mDNS
 *
 * @param ctx A mdns context created by mdns_init()
 * @param names The list of names of the services you are looking for
 * @param nb_names The number of names in names list
 * @param type The type of Record you want \see rr_type
 * @param interval The refreshing interval to send a probe request (in seconds)
 * @param stop The stop function to stop the discovery
 * @param callback The callback function to receive the entries
 * @param p_cookie user data for the callback
 *
 * @return 0 if success, negative in other cases
 */
MDNS_EXPORT int mdns_listen(const struct mdns_ctx *ctx, const char *const names[],
                       unsigned int nb_names, enum rr_type type,
                       unsigned int interval, mdns_stop_func stop,
                       mdns_listen_callback callback, void *p_cookie);

/**
 * @brief Announce a new name to serve
 *
 * @param ctx A mdns context created by mdns_init()
 * @param type The type of Record you want \see rr_type
 * @param callback The callback function to send the entries
 * @param p_cookie user data for the callback
 *
 * @return 0 if success, negative in other cases
 */
MDNS_EXPORT int mdns_announce(struct mdns_ctx *ctx, enum rr_type type,
        mdns_announce_callback callback, void *p_cookie);

/**
 * @brief The main serving function for mDNS
 * mdns_announce() must be called before for each service you want to announce.
 *
 * @param ctx A mdns context created by mdns_init()
 * @param stop The stop function to stop the discovery
 * @param p_cookie user data for the callback
 *
 * @return 0 if success, negative in other cases
 */

MDNS_EXPORT int mdns_serve(struct mdns_ctx *ctx, mdns_stop_func stop, void *p_cookie);

/**
 * @brief mdns_request_initial_announce Request an initial announce for the provided service
 * @param ctx A mdns context created by mdns_init()
 * @param service
 */
MDNS_EXPORT void mdns_request_initial_announce(struct mdns_ctx *ctx, const char* service);

# ifdef __cplusplus
}
# endif

#endif /* MICRODNS_MDNS_H */
07070100000019000081A40000000000000000000000016291210E00000AC0000000000000000000000000000000000000002A00000000libmicrodns-0.2.0+6/include/microdns/rr.h/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2014-2016 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef MICRODNS_RR_H
#define MICRODNS_RR_H

#include <stdint.h>

#if defined (__unix__) || defined (__APPLE__)
# include <arpa/inet.h>
# include <netinet/in.h>
#elif defined(_WIN32)
# include <ws2tcpip.h>
#endif

# ifdef __cplusplus
extern "C" {
# endif

enum rr_type {
        RR_A    = 0x01,
        RR_PTR  = 0x0C,
        RR_TXT  = 0x10,
        RR_AAAA = 0x1C,
        RR_SRV  = 0x21,
};

enum rr_class {
        RR_IN = 0x01,
};

struct rr_data_srv {
        uint16_t priority;
        uint16_t weight;
        uint16_t port;
        char     *target;
};

struct rr_data_txt {
        char txt[256]; // RFC 6762

struct rr_data_txt *next;
};

struct rr_data_ptr {
        char *domain;
};

struct rr_data_a {
        char   addr_str[INET_ADDRSTRLEN];
        struct in_addr addr;
};

struct rr_data_aaaa {
        char   addr_str[INET6_ADDRSTRLEN];
        struct in6_addr addr;
};

union rr_data {
        struct rr_data_srv  SRV;
        struct rr_data_txt  *TXT;
        struct rr_data_ptr  PTR;
        struct rr_data_a    A;
        struct rr_data_aaaa AAAA;
};

struct rr_entry {
        char     *name;
        uint16_t type;
        uint16_t rr_class : 15;
        uint16_t msbit : 1; // unicast query | cache flush (RFC 6762)

/* Answers only */
        uint32_t ttl;
        uint16_t data_len;
        union    rr_data data;

struct rr_entry *next;
};

# ifdef __cplusplus
}
# endif

#endif /* MICRODNS_RR_H */
0707010000001A000081A40000000000000000000000016291210E00000DBC000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/include/utils.h/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2014-2015 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef MICRODNS_UTILS_H
#define MICRODNS_UTILS_H

#include <inttypes.h>
#include <stdio.h>
#include <stdint.h>

#if defined (__unix__) || defined (__APPLE__)
# include <netinet/in.h>
#endif

#include "compat.h"

#define MDNS_DN_MAXSZ 256 // domain name maximum size

static inline int ss_family(const struct sockaddr_storage *ss)
{
    return (((const struct sockaddr *) ss)->sa_family);
}

static inline int ss_level(const struct sockaddr_storage *ss)
{
    return (ss_family(ss) == AF_INET ? IPPROTO_IP : IPPROTO_IPV6);
}

static inline socklen_t ss_len(const struct sockaddr_storage *ss)
{
    return (ss_family(ss) == AF_INET ? sizeof(struct sockaddr_in)
                                     : sizeof(struct sockaddr_in6));
}

static inline socklen_t sa_len(const struct sockaddr* sa)
{
    return sa->sa_family == AF_INET ? sizeof(struct sockaddr_in)
                                    : sizeof(struct sockaddr_in6);
}

static inline uint8_t *write_u16(uint8_t *p, size_t *s, const uint16_t v)
{
        *p++ = (v >> 8) & 0xFF;
        *p++ = (v >> 0) & 0xFF;
        if (s != NULL)
                *s -= 2;
        return (p);
}

static inline uint8_t *write_u32(uint8_t *p, size_t *s, const uint32_t v)
{
        *p++ = (v >> 24) & 0xFF;
        *p++ = (v >> 16) & 0xFF;
        *p++ = (v >>  8) & 0xFF;
        *p++ = (v >>  0) & 0xFF;
        if (s != NULL)
                *s -= 4;
        return (p);
}

static inline uint8_t *write_raw(uint8_t *p, size_t* s, const uint8_t *v)
{
        size_t len;

len = strlen((const char *) v) + 1;
        if (*s < len)
                return (NULL);
        memcpy(p, v, len);
        p += len;
        *s -= len;
        return (p);
}

static inline const uint8_t *read_u16(const uint8_t *p, size_t *s, uint16_t *v)
{
        *v = 0;
        *v |= (uint16_t)*p++ << 8;
        *v |= (uint16_t)*p++ << 0;
        *s -= 2;
        return (p);
}

static inline const uint8_t *read_u32(const uint8_t *p, size_t *s, uint32_t *v)
{
        *v = 0;
        *v |= (uint32_t)*p++ << 24;
        *v |= (uint32_t)*p++ << 16;
        *v |= (uint32_t)*p++ << 8;
        *v |= (uint32_t)*p++ << 0;
        *s -= 4;
        return (p);
}

#endif /* MICRODNS_UTILS_H */
0707010000001B000081A40000000000000000000000016291210E0000145D000000000000000000000000000000000000002000000000libmicrodns-0.2.0+6/meson.build# This file is part of libmicrodns.
#
# Copyright © 2019 VideoLabs SAS
#
# Author: Mathieu Duponchelle <mathieu@centricular.com>
#
#########################################################################
# libmicrodns is released under LGPLv2.1 (or later) and is also available
# under a commercial license.
#########################################################################
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.

project('microdns', ['c'],
  version : '0.2.0',
  meson_version : '>= 0.50.0',
  default_options : ['warning_level=2',
                     'buildtype=release',
                     'b_ndebug=if-release'])

mdns_version = meson.project_version()
mdns_soname_version = '1.0.0'

ver_arr = mdns_soname_version.split('.')
mdns_major_version = ver_arr[0]
mdns_minor_version = ver_arr[1]
mdns_micro_version = ver_arr[2]

cc = meson.get_compiler('c')

warning_flags = []

warning_flags += [
    '-Wsign-compare',
    '-Wstrict-aliasing',
    '-Wstrict-overflow',
    '-Wformat=2',
    '-Wno-unused-parameter',
    '-Wcast-align',
    '-Wpointer-arith',
    '-Wmissing-prototypes',
    '-Wwrite-strings',
    '-Wlogical-op',
]

add_project_arguments(cc.get_supported_arguments(warning_flags), language: 'c')

cdata = configuration_data()

deps = []
cc_args = []

host_system = host_machine.system()

if host_system == 'windows'
    deps += [cc.find_library('ws2_32')]
    deps += [cc.find_library('iphlpapi')]
    building_for_vista = cc.compiles('''#include <windows.h>
        #ifndef WINVER
        #error "unknown minimum supported OS version"
        #endif
        #if (WINVER < _WIN32_WINNT_VISTA)
        #error "Windows Vista API is not guaranteed"
        #endif
        ''',
        name: 'building for Windows Vista')
    if not building_for_vista
        cc_args = [
            '-D_WIN32_WINNT=_WIN32_WINNT_VISTA',
            '-DWINVER=_WIN32_WINNT_VISTA',
        ]
        add_project_arguments(cc_args, language: 'c')
    endif
endif

inet_ntop_src = '''
#ifdef _WIN32
#include <ws2tcpip.h>
#include <windows.h>
#else
#include <sys/socket.h>
#include <arpa/inet.h>
#endif
int main() {
  inet_ntop(AF_INET, NULL, NULL, 0);
}
'''

if cc.links(inet_ntop_src, dependencies: deps, args: cc_args)
    cdata.set('HAVE_INET_NTOP', 1)
endif

poll_src = '''
#include <stddef.h>
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
# if defined(_MSC_VER)
#   error
# endif
#else
#include <poll.h>
#endif
int main() {
  poll(NULL, 0, 0);
}
'''

if cc.links(poll_src, dependencies: deps, args: cc_args)
    cdata.set('HAVE_POLL', 1)
endif

pollfd_check_prefix = '#include <sys/types.h>\n'

if cdata.get('HAVE_POLL', 0) == 1
    pollfd_check_prefix += '#include <poll.h>\n'
elif host_system == 'windows'
    pollfd_check_prefix += '#include <winsock2.h>'
endif

if cc.has_type('struct pollfd', prefix: pollfd_check_prefix, args: cc_args)
    cdata.set('HAVE_STRUCT_POLLFD', 1)
endif

if cc.has_function('getifaddrs')
    cdata.set('HAVE_GETIFADDRS', 1)
endif

if cc.has_header('ifaddrs.h')
    cdata.set('HAVE_IFADDRS_H', 1)
endif

if cc.has_header('unistd.h')
	cdata.set('HAVE_UNISTD_H', 1)
endif

configure_file(output : 'config.h', configuration : cdata)

c_args = ['-DHAVE_CONFIG_H']

if host_system == 'windows'
    c_args += [
        '-D_UNICODE=1',
        '-DUNICODE=1',
        '-D_POSIX_C_SOURCE=200809L',
        '-D_BSD_SOURCE=1'
    ]
endif

if cc.get_id() == 'msvc'
    c_args += [
    '-D_CRT_NONSTDC_NO_DEPRECATE',
    '-D_CRT_SECURE_NO_WARNINGS',
    '-D_CRT_SECURE_NO_DEPRECATE',
]
endif

link_flags=[]

if get_option('fuzzing')
    if cc.has_argument('-fsanitize=fuzzer')
        fuzz_flags = ['-fsanitize=fuzzer-no-link,address,undefined']
        c_args += fuzz_flags
        c_args += ['-fprofile-instr-generate', '-fcoverage-mapping']
        link_flags += fuzz_flags
        link_flags += ['-fprofile-instr-generate', '-fcoverage-mapping']
    else
        error('Unsupported required option: -fsanitize=fuzzer')
    endif
endif

incdirs = include_directories('.', 'include', 'compat')

subdir('compat')
subdir('include')
subdir('src')

mdns_dep = declare_dependency(link_with : libmicrodns,
    include_directories : incdirs,
    dependencies: deps,
)

doc_cdata = configuration_data()

doc_cdata.set('PACKAGE_NAME', meson.project_name())
doc_cdata.set('VERSION', mdns_version)
doc_cdata.set('abs_top_srcdir', meson.current_source_dir())

configure_file(
    input: 'doc/Doxyfile.in',
    output: 'Doxyfile',
    configuration: doc_cdata
)

subdir('examples')
subdir('tests')
0707010000001C000081A40000000000000000000000016291210E00000095000000000000000000000000000000000000002600000000libmicrodns-0.2.0+6/meson_options.txtoption('fuzzing', type: 'boolean', value: false)

option('tests', type: 'feature', value: 'auto')
option('examples', type: 'feature', value: 'auto')
0707010000001D000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000001800000000libmicrodns-0.2.0+6/src0707010000001E000081A40000000000000000000000016291210E00007FE1000000000000000000000000000000000000001F00000000libmicrodns-0.2.0+6/src/mdns.c/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2014-2016 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <stdint.h>

#include "compat.h"
#include "utils.h"
#include "microdns/microdns.h"
#include "mdns.h"

#define MDNS_PKT_MAXSZ 4096 // read/write buffer size

struct mdns_svc {
        enum rr_type type;
        union
        {
                mdns_announce_callback announce_callback;
                //mdns_listen_callback listen_callback;  // currently unused
        };
        void *p_cookie;
        struct mdns_svc *next;
};

struct mdns_conn {
        sock_t sock;
        uint32_t intf_idx;
        struct sockaddr_storage intf_addr;  // IP address and family of the interface
        struct sockaddr_storage mcast_addr; // The multicast address targeted by this connection
};

struct mdns_ctx {
        struct mdns_conn *conns;
        size_t nb_conns;
        struct mdns_svc *services;
};

static int mdns_resolve(struct mdns_ctx *ctx, const char *addr, unsigned short port);
static size_t mdns_write_hdr(uint8_t *, size_t *s, const struct mdns_hdr *);
static int strrcmp(const char *, const char *);

extern const uint8_t *rr_read(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *, int8_t ans);
extern ssize_t rr_write(uint8_t *, size_t *, const struct rr_entry *, int8_t ans);
extern void rr_print(const struct rr_entry *);
extern void rr_free(struct rr_entry *);

#ifndef _WIN32
#if HAVE_GETIFADDRS

static bool
mdns_is_interface_valuable(const struct ifaddrs* ifa, int family)
{
    struct sockaddr_in6 saddr;

if (ifa->ifa_addr == NULL)
      return false;

memcpy(&saddr, ifa->ifa_addr, sizeof(saddr));

return ifa->ifa_addr->sa_family == family &&
            (ifa->ifa_flags & IFF_LOOPBACK) == 0 &&
            (ifa->ifa_flags & IFF_UP) != 0 &&
            (ifa->ifa_flags & IFF_RUNNING) != 0 &&
            /* We only want a link local address, especially since we then
             * can get the associated interface index */
            ((family == AF_INET6 && saddr.sin6_scope_id != 0) ||
                ifa->ifa_addr->sa_family == AF_INET);
}

static size_t count_interfaces(const struct ifaddrs *ifs,
                               const struct addrinfo* addrs)
{
    size_t nb_if = 0;

for ( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
            for (const struct ifaddrs *c = ifs; c != NULL; c = c->ifa_next) {
                    if (!mdns_is_interface_valuable(c, addr->ai_family)) {
                            continue;
                    }
                    nb_if++;
            }
    }
    return nb_if;
}

static int
mdns_list_interfaces(uint32_t** pp_intfs, struct sockaddr_storage **pp_mdns_ips,
                     size_t* p_nb_intf, struct sockaddr_storage **pp_mcast_addrs,
                     const struct addrinfo* addrs)
{
        struct ifaddrs *ifs;
        struct sockaddr_storage *mdns_ips;
        struct ifaddrs *c;
        struct sockaddr_storage *mcast_addrs;
        size_t nb_if;
        uint32_t* intfs;

*p_nb_intf = 0;
        if (getifaddrs(&ifs) || ifs == NULL)
                return (MDNS_NETERR);

nb_if = count_interfaces(ifs, addrs);

if (nb_if == 0) {
                freeifaddrs(ifs);
                return (MDNS_ERROR);
        }
        *pp_intfs = intfs = malloc(sizeof(*intfs) * nb_if);
        if (intfs == NULL) {
                freeifaddrs(ifs);
                return (MDNS_ERROR);
        }
        *pp_mdns_ips = mdns_ips = malloc(sizeof(*mdns_ips) * nb_if);
        if (mdns_ips == NULL) {
                free(intfs);
                *pp_intfs = NULL;
                freeifaddrs(ifs);
                return (MDNS_ERROR);
        }
        *pp_mcast_addrs = mcast_addrs = malloc(sizeof(*mcast_addrs) * nb_if);
        if (mcast_addrs == NULL) {
                free(mdns_ips);
                free(intfs);
                *pp_intfs = NULL;
                *pp_mdns_ips = NULL;
                freeifaddrs(ifs);
                return (MDNS_ERROR);
        }
        for ( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
                for (c = ifs; c != NULL; c = c->ifa_next) {
                        if (!mdns_is_interface_valuable(c, addr->ai_family))
                                continue;
                        if (c->ifa_addr->sa_family == AF_INET) {
                                *intfs = if_nametoindex(c->ifa_name);
                        } else {
                                memcpy(intfs, &((struct sockaddr_in6*)c->ifa_addr)->sin6_scope_id,
                                       sizeof(*intfs));
                        }
                        memcpy(mdns_ips, c->ifa_addr, sa_len(c->ifa_addr));
                        memcpy(mcast_addrs, addr->ai_addr, sa_len(addr->ai_addr));
                        mdns_ips++;
                        intfs++;
                        mcast_addrs++;
                }
        }
        freeifaddrs(ifs);
        *p_nb_intf = nb_if;
        return (0);
}
#else
static size_t
mdns_list_interfaces(uint32_t** pp_intfs, struct sockaddr_storage **pp_mdns_ips,
                     size_t* p_nb_intf, struct sockaddr_storage **pp_mcast_addrs,
                     const struct addrinfo* addrs)
{
        struct sockaddr_storage *mdns_ips;
        uint32_t *intfs;
        size_t nb_intfs = 0;
        for( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
                if( addr->ai_family == AF_INET || addr->ai_family == AF_INET6 )
                    ++nb_intfs;
        }
        *pp_intfs = intfs = malloc( nb_intfs * sizeof(*intfs) );
        if (intfs == NULL)
                return (MDNS_ERROR);
        *pp_mdns_ips = mdns_ips = malloc( nb_intfs * sizeof(*mdns_ips) );
        if (mdns_ips == NULL) {
                free(intfs);
                *pp_intfs = NULL;
                return (MDNS_ERROR);
        }

struct sockaddr_storage* mcast_addrs;
        mcast_addrs = *pp_mcast_addrs = malloc( nb_intfs * sizeof( *mcast_addrs ) );
        if( mcast_addrs == NULL ) {
            free(mdns_ips);
            free(intfs);
            *pp_intfs = NULL;
            *pp_mdns_ips = NULL;
            return (MDNS_ERROR);
        }
        for( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
                if( addr->ai_family == AF_INET || addr->ai_family == AF_INET6 ) {
                        *intfs = 0;
                        /* Take a shortcut assuming when we are in this case, we
                         * can use MCAST_JOIN_GROUP. Otherwise, we need the
                         * adapter IP address, which without getifaddrs is a pain
                         * in the lower back to fetch
                         */
#ifndef MCAST_JOIN_GROUP
# error We need the adapter address
#endif
                        mdns_ips->ss_family = addr->ai_family;
                        memcpy(mcast_addrs, addr->ai_addr, sa_len(addr->ai_addr));
                        intfs++;
                        mdns_ips++;
                        mcast_addrs++;
                }
        }

*p_nb_intf = nb_intfs;
        return (0);
}
#endif // HAVE_GETIFADDRS

#else // _WIN32

static bool
mdns_is_interface_valuable(IP_ADAPTER_ADDRESSES *intf, int family)
{
    return (intf->IfType == IF_TYPE_IEEE80211 || intf->IfType == IF_TYPE_ETHERNET_CSMACD) &&
            intf->OperStatus == IfOperStatusUp &&
            ((family == AF_INET && intf->Ipv4Enabled) ||
            (family == AF_INET6 && intf->Ipv6Enabled));
}

static size_t
mdns_list_interfaces(uint32_t** pp_intfs, struct sockaddr_storage **pp_mdns_ips,
                     size_t* p_nb_intf, struct sockaddr_storage **pp_mcast_addrs,
                     const struct addrinfo* addrs)
{
        uint32_t* intfs;
        struct sockaddr_storage *mdns_ips;
        struct sockaddr_storage *mcast_addrs;
        IP_ADAPTER_ADDRESSES *res = NULL, *current;
        ULONG size;
        HRESULT hr;
        size_t nb_intf = 0;

*p_nb_intf = 0;
        /**
         * https://msdn.microsoft.com/en-us/library/aa365915.aspx
         *
         * The recommended method of calling the GetAdaptersAddresses function is to pre-allocate a
         * 15KB working buffer pointed to by the AdapterAddresses parameter. On typical computers,
         * this dramatically reduces the chances that the GetAdaptersAddresses function returns
         * ERROR_BUFFER_OVERFLOW, which would require calling GetAdaptersAddresses function multiple
         * times. The example code illustrates this method of use.
         */
        size = 15 * 1024;
        do
        {
                free(res);
                res = malloc( size );
                if (res == NULL)
                        return (MDNS_ERROR);
                hr = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_ANYCAST |
                                                    GAA_FLAG_SKIP_DNS_SERVER,
                                                    NULL, res, &size);
        } while (hr == ERROR_BUFFER_OVERFLOW);
        if (hr != NO_ERROR) {
                free(res);
                return (MDNS_NETERR);
        }

for ( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
                for (current = res; current != NULL; current = current->Next) {
                        if (!mdns_is_interface_valuable(current, addr->ai_family))
                                continue;
                        ++nb_intf;
                }
        }
        if (nb_intf == 0) {
                // Fallback to the default interface
                *pp_intfs = malloc(sizeof(*intfs));
                if (*pp_intfs == NULL) {
                        free(res);
                        return (MDNS_ERROR);
                }
                **pp_intfs = 0;
                *pp_mdns_ips = mdns_ips = malloc(sizeof(*mdns_ips));
                if (*pp_mdns_ips == NULL) {
                        free(*pp_intfs);
                        free(res);
                        return (MDNS_ERROR);
                }
                memset(mdns_ips, 0, sizeof(*mdns_ips));
                *pp_mcast_addrs = mcast_addrs = malloc(sizeof(*mcast_addrs));
                if (mcast_addrs == NULL) {
                        free(mdns_ips);
                        free(*pp_intfs);
                        free(res);
                        return (MDNS_ERROR);
                }
                memcpy(mcast_addrs, addrs->ai_addr, sa_len(addrs->ai_addr));
                *p_nb_intf = 1;
                return (0);
        }

*pp_intfs = intfs = malloc(nb_intf * sizeof(*intfs));
        if (intfs == NULL) {
                free(res);
                return (MDNS_ERROR);
        }
        *pp_mdns_ips = mdns_ips = malloc(sizeof(*mdns_ips) * nb_intf);
        if (mdns_ips == NULL) {
                free(intfs);
                free(res);
                return (MDNS_ERROR);
        }
        *pp_mcast_addrs = mcast_addrs = malloc(sizeof(*mcast_addrs) * nb_intf);
        if (mcast_addrs == NULL) {
                free(mdns_ips);
                free(intfs);
                free(res);
                return (MDNS_ERROR);
        }
        for ( const struct addrinfo* addr = addrs; addr != NULL; addr = addr->ai_next ) {
            for (current = res; current != NULL; current = current->Next) {
                    if (!mdns_is_interface_valuable(current, addr->ai_family))
                            continue;
                    if (addr->ai_family == AF_INET6) {
                            *intfs = current->Ipv6IfIndex;
                    }
                    else {
                            *intfs = current->IfIndex;
                    }
                    memcpy(mcast_addrs, addr->ai_addr, sa_len(addr->ai_addr));
                    PIP_ADAPTER_UNICAST_ADDRESS p_unicast = current->FirstUnicastAddress;
                    if (p_unicast == NULL) {
                            free(mdns_ips);
                            free(intfs);
                            free(res);
                            return (MDNS_ERROR);
                    }
                    // Take the first unicast address (highest priority)
                    for (; p_unicast != NULL; p_unicast = p_unicast->Next) {
                            if (p_unicast->Address.lpSockaddr->sa_family != addr->ai_family) {
                                    continue;
                            }

if (addr->ai_family == AF_INET) {
                                memcpy(mdns_ips, p_unicast->Address.lpSockaddr,
                                    sizeof(struct sockaddr_in));
                            }
                            else {
                                    memcpy(mdns_ips, p_unicast->Address.lpSockaddr,
                                        sizeof(struct sockaddr_in6));
                            }
                    }
                    ++mdns_ips;
                    ++intfs;
                    ++mcast_addrs;
            }
        }
        *p_nb_intf = nb_intf;
        free(res);
        return (0);
}
#endif

static int
mdns_resolve(struct mdns_ctx *ctx, const char *addr, unsigned short port)
{
        char buf[6];
        struct addrinfo hints, *res = NULL;
        uint32_t* ifaddrs = NULL;
        struct sockaddr_storage *mdns_ips = NULL;
        struct sockaddr_storage *mcast_addrs = NULL;
        size_t i;
        int status;

sprintf(buf, "%hu", port);
        memset(&hints, 0, sizeof(hints));
        hints.ai_socktype = SOCK_DGRAM;
        hints.ai_flags = AI_NUMERICHOST | AI_NUMERICSERV;

if (addr == NULL) {
            hints.ai_family = AF_INET;
            /* First, get the ipv4 multicast address info */
            errno = getaddrinfo(MDNS_ADDR_IPV4, buf, &hints, &res);
            if (errno != 0)
                    return (MDNS_LKPERR);
            /* Now get the ipv6 informations and link them with the ipv4 ones */
            struct addrinfo *ipv6_res = NULL;
            hints.ai_family = AF_INET6;
            errno = getaddrinfo(MDNS_ADDR_IPV6, buf, &hints, &ipv6_res);
            if (errno != 0) {
                    freeaddrinfo(res);
                    return (MDNS_LKPERR);
            }
            struct addrinfo* ipv4 = res;
            for (; ipv4->ai_next != NULL; ipv4 = ipv4->ai_next)
                ;
            ipv4->ai_next = ipv6_res;
        } else {
            int family;
            if (!strcmp(addr, MDNS_ADDR_IPV4))
                family = AF_INET;
            else if (!strcmp(addr, MDNS_ADDR_IPV6))
                family = AF_INET6;
            else
                return (MDNS_LKPERR);
            hints.ai_family = family;
            errno = getaddrinfo(addr, buf, &hints, &res);
            if (errno != 0)
                    return (MDNS_LKPERR);
        }

status = mdns_list_interfaces(&ifaddrs, &mdns_ips, &ctx->nb_conns, &mcast_addrs, res);
        if ( status < 0) {
                freeaddrinfo(res);
                return (status);
        }
        if (ctx->nb_conns == 0) {
                freeaddrinfo(res);
                return (MDNS_NETERR);
        }
        ctx->conns = malloc(ctx->nb_conns * sizeof(*ctx->conns));
        if (ctx->conns == NULL) {
                free(ifaddrs);
                free(mdns_ips);
                freeaddrinfo(res);
                free(mcast_addrs);
                return (MDNS_ERROR);
        }
        for (i = 0; i < ctx->nb_conns; ++i ) {
                ctx->conns[i].sock = INVALID_SOCKET;
                ctx->conns[i].intf_idx = ifaddrs[i];
                ctx->conns[i].intf_addr = mdns_ips[i];
                ctx->conns[i].mcast_addr = mcast_addrs[i];
        }
        free(mcast_addrs);
        free(ifaddrs);
        free(mdns_ips);
        freeaddrinfo(res);
        return (0);
}

int
mdns_init(struct mdns_ctx **p_ctx, const char *addr, unsigned short port)
{
        const uint32_t on_off = 1;
        const uint32_t ttl = 255;
        const uint32_t loop = 1;
        int res;
        union {
                struct sockaddr_storage ss;
                struct sockaddr_in      sin;
                struct sockaddr_in6     sin6;
        } dumb;
        struct mdns_ctx *ctx;

if (p_ctx == NULL)
            return (MDNS_ERROR);
        *p_ctx = NULL;

ctx = malloc(sizeof(struct mdns_ctx));
        if (ctx == NULL)
            return (MDNS_ERROR);

ctx->services = NULL;
        ctx->conns = NULL;
        ctx->nb_conns = 0;
        errno = os_init("2.2");
        if (errno != 0)
                return mdns_destroy(ctx), (MDNS_NETERR);
        res = mdns_resolve(ctx, addr, port);
        if (res < 0)
                return mdns_destroy(ctx), (res);

for (size_t i = 0; i < ctx->nb_conns; ++i ) {
                struct sockaddr_storage* ss_addr = (struct sockaddr_storage*)&ctx->conns[i].mcast_addr;
                if ((ctx->conns[i].sock = socket(ctx->conns[i].intf_addr.ss_family, SOCK_DGRAM, IPPROTO_UDP)) == INVALID_SOCKET)
                        return mdns_destroy(ctx), (MDNS_NETERR);
                if (setsockopt(ctx->conns[i].sock, SOL_SOCKET, SO_REUSEADDR, (const void *) &on_off, sizeof(on_off)) < 0)
                        return mdns_destroy(ctx), (MDNS_NETERR);
            /* bind the receiver on any local address */
            memset(&dumb, 0, sizeof(dumb));
            dumb.ss.ss_family = ss_family(&ctx->conns[i].intf_addr);
            if (dumb.ss.ss_family == AF_INET) {
                dumb.sin.sin_port = htons(port);
                dumb.sin.sin_addr.s_addr = INADDR_ANY;
            } else {
                dumb.sin6.sin6_port = htons(port);
                dumb.sin6.sin6_addr = in6addr_any;
            }
            if (bind(ctx->conns[i].sock, (const struct sockaddr *) &dumb,
                     ss_len(&dumb.ss)) < 0)
                    return mdns_destroy(ctx), (MDNS_NETERR);

if (os_mcast_join(ctx->conns[i].sock, ss_addr, ctx->conns[i].intf_idx,
                              &ctx->conns[i].intf_addr) < 0)
                    return mdns_destroy(ctx), (MDNS_NETERR);
            if (setsockopt(ctx->conns[i].sock, ss_level(&ctx->conns[i].intf_addr),
                           ctx->conns[i].intf_addr.ss_family == AF_INET ? IP_MULTICAST_TTL : IPV6_MULTICAST_HOPS,
                           (const void *) &ttl, sizeof(ttl)) < 0) {
                    return mdns_destroy(ctx), (MDNS_NETERR);
            }

if (setsockopt(ctx->conns[i].sock, ss_level(&ctx->conns[i].intf_addr),
                           ctx->conns[i].intf_addr.ss_family == AF_INET ? IP_MULTICAST_LOOP : IPV6_MULTICAST_LOOP,
                           (const void *) &loop, sizeof(loop)) < 0) {
                    return mdns_destroy(ctx), (MDNS_NETERR);
            }
        }
        *p_ctx = ctx;
        return (0);
}

int
mdns_destroy(struct mdns_ctx *ctx)
{
        if (ctx != NULL) {
                for (size_t i = 0; i < ctx->nb_conns; ++i) {
                    struct mdns_conn *conn = &ctx->conns[i];
                    if (conn->sock != INVALID_SOCKET) {
                            os_close(conn->sock);
                            conn->sock = INVALID_SOCKET;
                    }
                }
                free(ctx->conns);
                if (ctx->services) {
                        struct mdns_svc *svc;

while ((svc = ctx->services)) {
                                ctx->services = ctx->services->next;
                                free(svc);
                        }
                }
                free(ctx);
        }
        if (os_cleanup() < 0)
                return (MDNS_NETERR);
        return (0);
}

static size_t
mdns_write_hdr(uint8_t *ptr, size_t* s, const struct mdns_hdr *hdr)
{
        uint8_t *p = ptr;

if (*s < 12)
                return (-1);

p = write_u16(p, s, hdr->id);
        p = write_u16(p, s, hdr->flags);
        p = write_u16(p, s, hdr->num_qn);
        p = write_u16(p, s, hdr->num_ans_rr);
        p = write_u16(p, s, hdr->num_auth_rr);
        p = write_u16(p, s, hdr->num_add_rr);
        return (p - ptr);
}

int
mdns_write(const struct mdns_hdr *hdr, const struct rr_entry *entries,
           uint8_t *buf, size_t bufSize, size_t* length)
{
    *length = 0;
    if (!entries) return (MDNS_ERROR);
    const struct rr_entry *entry = entries;
    ssize_t l;

l = mdns_write_hdr(buf, &bufSize, hdr);
    if (l < 0)
            return (MDNS_ERROR);
    *length += l;

for (entry = entries; entry; entry = entry->next) {
            l = rr_write(buf + *length, &bufSize, entry, (hdr->flags & FLAG_QR) > 0);
            if (l < 0) {
                    return (MDNS_STDERR);
            }
            *length += l;
    }
    return (0);
}

int
mdns_entries_send(const struct mdns_ctx *ctx, const struct mdns_hdr *hdr, const struct rr_entry *entries)
{
        uint8_t buf[MDNS_PKT_MAXSZ] = {0};
        size_t l;

if (mdns_write(hdr, entries, buf, sizeof(buf), &l) < 0)
                return (MDNS_ERROR);

for (size_t i = 0; i < ctx->nb_conns; ++i) {
            ssize_t r = sendto(ctx->conns[i].sock, (const char *) buf, l, 0,
                    (const struct sockaddr *) &ctx->conns[i].mcast_addr,
                               ss_len((struct sockaddr_storage*)&ctx->conns[i].mcast_addr));
            if (r < 0)
                return (MDNS_NETERR);
        }

return (0);
}

void
mdns_free(struct rr_entry *entries)
{
        struct rr_entry *entry;

while ((entry = entries)) {
                entries = entries->next;
                rr_free(entry);
                free(entry);
        }
}

static const uint8_t *
mdns_read_header(const uint8_t *ptr, size_t *n, struct mdns_hdr *hdr)
{
        if (*n <= sizeof(struct mdns_hdr)) {
                errno = ENOSPC;
                return NULL;
        }
        ptr = read_u16(ptr, n, &hdr->id);
        ptr = read_u16(ptr, n, &hdr->flags);
        ptr = read_u16(ptr, n, &hdr->num_qn);
        ptr = read_u16(ptr, n, &hdr->num_ans_rr);
        ptr = read_u16(ptr, n, &hdr->num_auth_rr);
        ptr = read_u16(ptr, n, &hdr->num_add_rr);
        return ptr;
}

int
mdns_parse(struct mdns_hdr *hdr, struct rr_entry **entries, const uint8_t *buf,
           size_t length)
{
    size_t num_entry;
    struct rr_entry *entry;

*entries = NULL;

const uint8_t *ptr = mdns_read_header(buf, &length, hdr);
    if (ptr == NULL)
            return (MDNS_ERROR);

num_entry = hdr->num_qn + hdr->num_ans_rr + hdr->num_add_rr;
    for (size_t i = 0; i < num_entry; ++i) {
            entry = calloc(1, sizeof(struct rr_entry));
            if (!entry)
                    goto err;
            ptr = rr_read(ptr, &length, buf, entry, i >= hdr->num_qn);
            if (!ptr) {
                    mdns_free(entry);
                    errno = ENOSPC;
                    goto err;
            }
            entry->next = *entries;
            *entries = entry;
    }
    if (*entries == NULL) {
            return (MDNS_ERROR);
    }
    return (0);
err:
    mdns_free(*entries);
    *entries = NULL;
    return (MDNS_ERROR);
}

static int
mdns_recv(const struct mdns_conn* conn, struct mdns_hdr *hdr, struct rr_entry **entries)
{
        uint8_t buf[MDNS_PKT_MAXSZ];
        ssize_t length;

*entries = NULL;
        if ((length = recv(conn->sock, (char *) buf, sizeof(buf), 0)) < 0)
                return (MDNS_NETERR);

return mdns_parse(hdr, entries, buf, (size_t)length);
}

void
mdns_entries_print(const struct rr_entry *entry)
{
        printf("[");
        while (entry) {
                rr_print(entry);
                if (entry->next)
                        printf(",");
                entry = entry->next;
        }
        printf("]\n");
}

int
mdns_strerror(int r, char *buf, size_t n)
{
        return os_strerror(r, buf, n);
}

/* Test if string s ends in string sub
 * return 0 if match */
static int
strrcmp(const char *s, const char *sub)
{
        size_t m, n;

if (!s || !sub)
                return (1);
        m = strlen(s);
        n = strlen(sub);
        if (n > m)
                return (1);
        return (strncmp(s + m - n, sub, n));
}

static int
mdns_listen_probe_network(const struct mdns_ctx *ctx, const char *const names[],
                          unsigned int nb_names, mdns_listen_callback callback,
                          void *p_cookie)
{
    struct mdns_hdr ahdr = {0};
    struct rr_entry *entries;
    struct pollfd *pfd = alloca( sizeof(*pfd) * ctx->nb_conns );
    int r;

for (size_t i = 0; i < ctx->nb_conns; ++i) {
            pfd[i].fd = ctx->conns[i].sock;
            pfd[i].events = POLLIN;
    }

r = poll(pfd, ctx->nb_conns, 1000);
    if (r <= 0) {
            return r;
    }
    for (size_t i = 0; i < ctx->nb_conns; ++i) {
            if ((pfd[i].revents & POLLIN) == 0)
                    continue;
            r = mdns_recv(&ctx->conns[i], &ahdr, &entries);
            if (r == MDNS_NETERR && os_wouldblock())
            {
                    mdns_free(entries);
                    continue;
            }

if (ahdr.num_ans_rr + ahdr.num_add_rr == 0)
            {
                    mdns_free(entries);
                    continue;
            }

for (struct rr_entry *entry = entries; entry; entry = entry->next) {
                    for (unsigned int i = 0; i < nb_names; ++i) {
                            if (!strrcmp(entry->name, names[i])) {
                                    callback(p_cookie, r, entries);
                                    break;
                            }
                    }
            }
            mdns_free(entries);
    }
    return 0;
}

int
mdns_listen(const struct mdns_ctx *ctx, const char *const names[],
            unsigned int nb_names, enum rr_type type, unsigned int interval,
            mdns_stop_func stop, mdns_listen_callback callback, void *p_cookie)
{
        if (ctx->nb_conns == 0)
                return (MDNS_ERROR);
        int r;
        time_t t1, t2;
        struct mdns_hdr hdr = {0};
        struct rr_entry *qns = malloc(nb_names * sizeof(struct rr_entry));
        if (qns == NULL)
            return (MDNS_ERROR);
        memset(qns, 0, nb_names * sizeof(struct rr_entry));

hdr.num_qn = nb_names;
        for (unsigned int i = 0; i < nb_names; ++i)
        {
                qns[i].name     = (char *)names[i];
                qns[i].type     = type;
                qns[i].rr_class = RR_IN;
                if (i + 1 < nb_names)
                    qns[i].next = &qns[i+1];
        }

for (size_t i = 0; i < ctx->nb_conns; ++i) {
                if (setsockopt(ctx->conns[i].sock, SOL_SOCKET, SO_SNDTIMEO, (const void *) &os_deadline, sizeof(os_deadline)) < 0)
                {
                        free(qns);
                        return (MDNS_NETERR);
                }
        }

if ((r = mdns_entries_send(ctx, &hdr, qns)) < 0) // send a first probe request
                callback(p_cookie, r, NULL);
        for (t1 = t2 = time(NULL); stop(p_cookie) == false; t2 = time(NULL)) {
                if (difftime(t2, t1) >= (double) interval) {
                        if ((r = mdns_entries_send(ctx, &hdr, qns)) < 0) {
                                callback(p_cookie, r, NULL);
                        }
                        t1 = t2;
                }
                mdns_listen_probe_network(ctx, names, nb_names, callback, p_cookie);
        }
        free(qns);
        return (0);
}

int
mdns_announce(struct mdns_ctx *ctx, enum rr_type type,
        mdns_announce_callback callback, void *p_cookie)
{
        if (!callback)
                return (MDNS_ERROR);

struct mdns_svc *svc = (struct mdns_svc *) calloc(1, sizeof(struct mdns_svc));
        if (!svc)
                return (MDNS_ERROR);

svc->type = type;
        svc->announce_callback = callback;
        svc->p_cookie = p_cookie;
        svc->next  = ctx->services;

ctx->services = svc;
        return (0);
}

void
mdns_request_initial_announce(struct mdns_ctx *ctx, const char* service)
{
    /* Send the initial announce (RFC 6762 §8.3) */
    for (struct mdns_svc* svc = ctx->services; svc; svc = svc->next) {
        for ( size_t i = 0; i < ctx->nb_conns; ++i ) {
            svc->announce_callback(svc->p_cookie,
                                   (struct sockaddr*)&ctx->conns[i].intf_addr,
                                   service, MDNS_ANNOUNCE_INITIAL);
        }
    }
}

int
mdns_serve(struct mdns_ctx *ctx, mdns_stop_func stop, void *p_cookie)
{
        int r;
        struct mdns_svc *svc;
        struct mdns_hdr qhdr = {0};
        struct rr_entry *question = NULL;

for (size_t i = 0; i < ctx->nb_conns; ++i) {
                if (setsockopt(ctx->conns[i].sock, SOL_SOCKET, SO_SNDTIMEO, (const void *) &os_deadline, sizeof(os_deadline)) < 0)
                        return (MDNS_NETERR);
        }

/* Send the initial announce (RFC 6762 §8.3) */
        for (svc = ctx->services; svc; svc = svc->next) {
            for ( size_t i = 0; i < ctx->nb_conns; ++i ) {
                svc->announce_callback(svc->p_cookie,
                                       (struct sockaddr*)&ctx->conns[i].intf_addr,
                                       NULL, MDNS_ANNOUNCE_INITIAL);
            }
        }

for (; stop(p_cookie) == false;) {
                struct pollfd *pfd = alloca( sizeof(*pfd) * ctx->nb_conns );

for (size_t i = 0; i < ctx->nb_conns; ++i) {
                        pfd[i].fd = ctx->conns[i].sock;
                        pfd[i].events = POLLIN;
                }
                if (poll(pfd, ctx->nb_conns, 1000) <= 0) {
                        continue;
                }
                for (size_t i = 0; i < ctx->nb_conns; ++i) {
                        if ((pfd[i].revents & POLLIN) == 0)
                                continue;
                        r = mdns_recv(&ctx->conns[i], &qhdr, &question);
                        if (r < 0)
                                continue;
                        if (qhdr.num_qn == 0)
                                goto again;

for (svc = ctx->services; svc; svc = svc->next) {
                                if (question->type == svc->type) {
                                        svc->announce_callback(svc->p_cookie,
                                               (struct sockaddr*)&ctx->conns[i].intf_addr,
                                               question->name, MDNS_ANNOUNCE_RESPONSE);
                                        goto again;
                                }
                        }
                        mdns_free(question);
                        question = NULL;
                }
again:
                mdns_free(question);
                question = NULL;
        }
        /* Send the goodbye packets (RFC 6762 §10.1) */
        for (svc = ctx->services; svc; svc = svc->next) {
            for ( size_t i = 0; i < ctx->nb_conns; ++i ) {
                svc->announce_callback(svc->p_cookie,
                                       (struct sockaddr*)&ctx->conns[i].intf_addr, NULL,
                                       MDNS_ANNOUNCE_GOODBYE);
            }
        }
        return (0);
}
0707010000001F000081A40000000000000000000000016291210E0000027B000000000000000000000000000000000000002400000000libmicrodns-0.2.0+6/src/meson.buildlibmicrodns_sources = [
    'mdns.c',
    'rr.c'
]

if host_machine.system() == 'windows'
    mdns_soversion = ''
else
    mdns_soversion = mdns_major_version
endif

libmicrodns = library('microdns', libmicrodns_sources,
    include_directories: incdirs,
    link_with: libcompat,
    link_args: link_flags,
    dependencies: deps,
    c_args: c_args,
    install: true,
    soversion: mdns_soversion,
    version: mdns_soname_version,
)

pkgconf = import('pkgconfig')
pkgconf.generate(libmicrodns,
                 name: 'microDNS',
                 description: 'mDNS simple implementation',
                 filebase: 'microdns',
)
07070100000020000081A40000000000000000000000016291210E00004697000000000000000000000000000000000000001D00000000libmicrodns-0.2.0+6/src/rr.c/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2014-2016 VideoLabs SAS
 *
 * Author: Jonathan Calmels <jbjcalmels@gmail.com>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <string.h>
#include <stdlib.h>
#include <stdint.h>

#include "utils.h"
#include "microdns/microdns.h"
#include "microdns/rr.h"

typedef const uint8_t *(*rr_reader)(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);
typedef ssize_t (*rr_writer)(uint8_t *, size_t *, const struct rr_entry *);
typedef void (*rr_printer)(const union rr_data *);

static const uint8_t *rr_decode(const uint8_t *ptr, size_t *n, const uint8_t *root, char **ss, uint8_t nb_rec);
static uint8_t *rr_encode(const char *s);

const uint8_t * rr_read(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry, int8_t ans);
static const uint8_t *rr_read_SRV(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);
static const uint8_t *rr_read_PTR(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);
static const uint8_t *rr_read_TXT(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);
static const uint8_t *rr_read_AAAA(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);
static const uint8_t *rr_read_A(const uint8_t *, size_t *, const uint8_t *, struct rr_entry *);

ssize_t rr_write(uint8_t *ptr, size_t *s, const struct rr_entry *entry, int8_t ans);
static ssize_t rr_write_SRV(uint8_t *, size_t *, const struct rr_entry *);
static ssize_t rr_write_PTR(uint8_t *, size_t *, const struct rr_entry *);
static ssize_t rr_write_TXT(uint8_t *, size_t *, const struct rr_entry *);
static ssize_t rr_write_AAAA(uint8_t *, size_t *, const struct rr_entry *);
static ssize_t rr_write_A(uint8_t *, size_t *, const struct rr_entry *);

void rr_print(const struct rr_entry *entry);
static void rr_print_SRV(const union rr_data *);
static void rr_print_PTR(const union rr_data *);
static void rr_print_TXT(const union rr_data *);
static void rr_print_AAAA(const union rr_data *);
static void rr_print_A(const union rr_data *);

void rr_free(struct rr_entry *entry);

static const char *rr_type_str(enum rr_type);
static const char *rr_class_str(enum rr_class);

static const struct {
        enum       rr_type type;
        const char *name;
        rr_reader  read;
        rr_writer  write;
        rr_printer print;

} rrs[] = {
        {RR_SRV,  "SRV",  &rr_read_SRV,  &rr_write_SRV,  &rr_print_SRV},
        {RR_PTR,  "PTR",  &rr_read_PTR,  &rr_write_PTR,  &rr_print_PTR},
        {RR_TXT,  "TXT",  &rr_read_TXT,  &rr_write_TXT,  &rr_print_TXT},
        {RR_AAAA, "AAAA", &rr_read_AAAA, &rr_write_AAAA, &rr_print_AAAA},
        {RR_A,    "A",    &rr_read_A,    &rr_write_A,    &rr_print_A},
};

static const size_t rr_num = sizeof(rrs) / sizeof(*rrs);

#define advance(x) ptr += x; *n -= x

static const uint8_t *
rr_read_SRV(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry)
{
        union rr_data *data = &entry->data;

if (*n <= sizeof(uint16_t) * 3)
                return (NULL);

ptr = read_u16(ptr, n, &data->SRV.priority);
        ptr = read_u16(ptr, n, &data->SRV.weight);
        ptr = read_u16(ptr, n, &data->SRV.port);
        if ((ptr = rr_decode(ptr, n, root, &data->SRV.target, 0)) == NULL)
                return (NULL);
        return (ptr);
}

static ssize_t
rr_write_SRV(uint8_t *ptr, size_t *s, const struct rr_entry *entry)
{
        uint8_t *target, *p = ptr;

if ((target = rr_encode(entry->data.SRV.target)) == NULL)
                return (-1);

if (*s < 6) {
                free(target);
                return -1;
        }
        p = write_u16(p, s, entry->data.SRV.priority);
        p = write_u16(p, s, entry->data.SRV.weight);
        p = write_u16(p, s, entry->data.SRV.port);
        p = write_raw(p, s, target);
        free(target);
        if (p == NULL)
                return (-1);
        return (p - ptr);
}

static void
rr_print_SRV(const union rr_data *data)
{
        printf("{"
            "\"target\":\"%s\","
            "\"port\":%" PRIu16 ","
            "\"priority\":%" PRIu16 ","
            "\"weight\":%" PRIu16
            "}", data->SRV.target, data->SRV.port, data->SRV.priority, data->SRV.weight);
}

static const uint8_t *
rr_read_PTR(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry)
{
        union rr_data *data = &entry->data;

if (*n == 0)
                return (NULL);

if ((ptr = rr_decode(ptr, n, root, &data->PTR.domain, 0)) == NULL)
                return (NULL);
        return (ptr);
}

static ssize_t
rr_write_PTR(uint8_t *ptr, size_t *s, const struct rr_entry *entry)
{
        uint8_t *domain, *p = ptr;
        if ((domain = rr_encode(entry->data.PTR.domain)) == NULL)
                return (0);
        p = write_raw(p, s, domain);
        free(domain);
        if (p == NULL)
                return -1;
        return (p - ptr);
}

static void
rr_print_PTR(const union rr_data *data)
{
        printf("{\"domain\":\"%s\"}", data->PTR.domain);
}

static const uint8_t *
rr_read_TXT(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry)
{
        union rr_data *data = &entry->data;
        uint16_t len = entry->data_len;
        uint8_t l;

if (*n == 0 || *n < len)
                return (NULL);

for (; len > 0 && *n > 0; len -= l + 1) {
                struct rr_data_txt *text;

memcpy(&l, ptr, sizeof(l));
                advance(1);
                if (*n < l)
                        return (NULL);
                text = malloc(sizeof(struct rr_data_txt));
                if (!text)
                        return (NULL);
                text->next = data->TXT;
                data->TXT = text;
                if (l > 0)
                        memcpy(text->txt, ptr, l);
                text->txt[l] = '\0';
                advance(l);
        }
        return (ptr);
}

static ssize_t
rr_write_TXT(uint8_t *ptr, size_t *s, const struct rr_entry *entry)
{
        uint8_t *p = ptr;
        size_t l;

struct rr_data_txt *text = entry->data.TXT;
        while (text) {
                l = strlen(text->txt);
                if (*s < l + 1)
                        return (-1);
                memcpy(p, &l, 1);
                memcpy(p+1, text->txt, l);
                p += l + 1;
                *s -= l + 1;
                text = text->next;
        }
        return (p - ptr);
}

static void
rr_print_TXT(const union rr_data *data)
{
        struct rr_data_txt *text = data->TXT;

printf("{\"text\":[");
        while (text) {
                printf("\"%s\"%s", text->txt, text->next ? "," : "");
                text = text->next;
        }
        printf("]}");
}

static const uint8_t *
rr_read_AAAA(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry)
{
        union rr_data *data = &entry->data;
        const size_t len = sizeof(struct in6_addr);

if (*n < len || entry->data_len < len)
                return (NULL);

memcpy(&data->AAAA.addr, ptr, len);
        advance(len);
        if (!inet_ntop(AF_INET6, &data->AAAA.addr, data->AAAA.addr_str, INET6_ADDRSTRLEN))
                return (NULL);
        return (ptr);
}

static ssize_t
rr_write_AAAA(uint8_t *ptr, size_t *s, const struct rr_entry *entry)
{
        size_t len = sizeof(entry->data.AAAA.addr);
        if (*s < len)
                return (-1);
        memcpy(ptr, &entry->data.AAAA.addr, len);
        *s -= len;
        return len;
}

static void
rr_print_AAAA(const union rr_data *data)
{
        printf("{\"address\":\"%s\"}", data->AAAA.addr_str);
}

static const uint8_t *
rr_read_A(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry)
{
        union rr_data *data = &entry->data;
        const size_t len = sizeof(struct in_addr);

if (*n < len)
                return (NULL);

memcpy(&data->A.addr, ptr, len);
        advance(len);
        if (!inet_ntop(AF_INET, &data->A.addr, data->A.addr_str, INET_ADDRSTRLEN))
                return (NULL);
        return (ptr);
}

static ssize_t
rr_write_A(uint8_t *ptr, size_t *s, const struct rr_entry *entry)
{
        size_t len = sizeof(entry->data.A.addr);
        if (*s < len)
                return -1;
        memcpy(ptr, &entry->data.A.addr, sizeof(entry->data.A.addr));
        *s -= len;
        return len;
}

static void
rr_print_A(const union rr_data *data)
{
        printf("{\"address\":\"%s\"}", data->A.addr_str);
}

/*
 * Decodes a DN compressed format (RFC 1035)
 * e.g "\x03foo\x03bar\x00" gives "foo.bar"
 */
static const uint8_t *
rr_decode(const uint8_t *ptr, size_t *n, const uint8_t *root, char **ss, uint8_t nb_rec)
{
        char *s;
        const uint8_t *orig_ptr = ptr;

/*
         * 16 is arbitrary here, but it should be high enough for most cases
         * Ideally, we should store previously analyzed domains with their
         * associated offset, in order to avoid re-parsing them for each later
         * records
         */
        if (nb_rec > 16)
                return (NULL);

if (*n == 0)
                return (NULL);

s = *ss = malloc(MDNS_DN_MAXSZ);
        if (!s)
                return (NULL);

if (*ptr == 0) {
                *s = '\0';
                advance(1);
                return (ptr);
        }
        while (*ptr) {
                size_t free_space;
                uint16_t len;

free_space = *ss + MDNS_DN_MAXSZ - s;
                len = *ptr;
                advance(1);

/* resolve the offset of the pointer (RFC 1035-4.1.4) */
                if ((len & 0xC0) == 0xC0) {
                        const uint8_t *p;
                        char *buf;
                        size_t m;
                        uint16_t offset;

/*
                         * We only check if we have enough bytes left to read the
                         * offset for now, and will check the offset validity
                         * just after
                         */
                        if (*n == 0)
                                goto err;
                        offset = ~0xC0 & len;
                        offset = (uint16_t)(offset << 8u) | *ptr;
                        advance(1);

p = root + offset;
                        /*
                         * The resulting pointer can only point to a prior record
                         * We substract 2 here since we already read the 2 offset
                         * bytes
                         */
                        if (p > (ptr - 2))
                                goto err;
                        m = ptr - p + *n;
                        /* Avoid recursing on the same element */
                        if (p == orig_ptr)
                                goto err;
                        if (rr_decode(p, &m, root, &buf, nb_rec + 1) == NULL)
                                goto err;
                        if (free_space <= strlen(buf)) {
                                free(buf);
                                goto err;
                        }
                        (void) strcpy(s, buf);
                        free(buf);
                        return (ptr);
                }
                if (*n <= len || free_space <= len)
                        goto err;
                strncpy(s, (const char *) ptr, len);
                advance(len);
                s += len;
                *s++ = (*ptr) ? '.' : '\0';
        }
        advance(1);
        return (ptr);
err:
        free(*ss);
        *ss = NULL;
        return (NULL);
}

/*
 * Encode a DN into its compressed format (RFC 1035)
 * e.g "foo.bar" gives "\x03foo\x03bar\x00"
 */
static uint8_t *
rr_encode(const char *s)
{
        if (!s)
                return (NULL);
        uint8_t *buf, *b, l = 0;
        const char *p = s;

buf = malloc(strlen(s) + 2);
        if (!buf)
                return (NULL);
        for (b = buf, l = strcspn(p, "."); l > 0;
                l = *p ? strcspn(++p, ".") : 0) {
                *b = l;
                memcpy(b + 1, p, l);
                b += l + 1;
                p += l;
        }
        *b = 0;
        return (buf);
}

static const uint8_t *
rr_read_RR(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry, int8_t ans)
{
        uint16_t tmp;

ptr = rr_decode(ptr, n, root, &entry->name, 0);
        if (!ptr || *n < 4)
                return (NULL);

ptr = read_u16(ptr, n, &entry->type);
        ptr = read_u16(ptr, n, &tmp);
        entry->rr_class = (tmp & ~0x8000);
        entry->msbit = ((tmp & 0x8000) == 0x8000);
        if (ans) {
                if (*n < 6)
                        return (NULL);
                ptr = read_u32(ptr, n, &entry->ttl);
                ptr = read_u16(ptr, n, &entry->data_len);
        }
        return ptr;
}

static ssize_t
rr_write_RR(uint8_t *ptr, size_t *s, const struct rr_entry *entry, int8_t ans)
{
        uint8_t *name, *p = ptr;

if ((name = rr_encode(entry->name)) == NULL)
                return (-1);

p = write_raw(p, s, name);
        free(name);
        if (p == NULL)
                return (-1);

if (*s < 4)
                return (-1);
        p = write_u16(p, s, entry->type);
        p = write_u16(p, s, (entry->rr_class & ~0x8000) | (entry->msbit << 15));

if (ans) {
                if (*s < 6)
                        return (-1);
                p = write_u32(p, s, entry->ttl);
                p = write_u16(p, s, entry->data_len);
        }
        return (p - ptr);
}

const uint8_t *
rr_read(const uint8_t *ptr, size_t *n, const uint8_t *root, struct rr_entry *entry, int8_t ans)
{
        size_t skip;
        const uint8_t *p;

p = ptr = rr_read_RR(ptr, n, root, entry, ans);
        if (ans == 0) return ptr;
        if (ptr == NULL)
                return (NULL);

for (size_t i = 0; i < rr_num; ++i) {
                if (rrs[i].type == entry->type) {
                        ptr = (*rrs[i].read)(ptr, n, root, entry);
                        if (!ptr)
                                return (NULL);
                        break;
                }
        }
        // XXX skip unknown records
        skip = entry->data_len - (ptr - p);
        if (*n < skip)
                return (NULL);
        advance(skip);

return (ptr);
}

ssize_t
rr_write(uint8_t *ptr, size_t *s, const struct rr_entry *entry, int8_t ans)
{
        uint8_t *p = ptr;
        ssize_t n = 0;
        ssize_t l = 0;

n = rr_write_RR(p, s, entry, ans);
        if (n < 0)
                return (-1);

if (ans == 0) return n;

for (size_t i = 0; i < rr_num; ++i) {
               if (rrs[i].type == entry->type) {
                       l = (*rrs[i].write)(p + n, s, entry);
                       if (l < 0)
                               return (-1);
                       // fill in data length after its computed
                       write_u16(p + n - 2, NULL, l);
                       n += l;
               }
        }
        return n;
}

static const char *
rr_type_str(enum rr_type type)
{
        for (size_t i = 0; i < rr_num; ++i) {
                if (rrs[i].type == type)
                        return (rrs[i].name);
        }
        return ("UNKNOWN");
}

static const char *
rr_class_str(enum rr_class rr_class)
{
        if (rr_class == RR_IN)
                return ("IN");
        return ("UNKNOWN");
}

void
rr_print(const struct rr_entry *entry)
{
        size_t i;

printf("{"
            "\"name\":\"%s\","
            "\"type\":\"%s\","
            "\"class\":\"%s\","
            "\"data\":",
            entry->name, rr_type_str(entry->type), rr_class_str(entry->rr_class));

for (i = 0; i < rr_num; ++i) {
                if (rrs[i].type == entry->type) {
                        (*rrs[i].print)(&entry->data);
                        break;
                }
        }
        if (i == rr_num)
                printf("null");

printf("}");
}

void
rr_free(struct rr_entry *entry)
{
        if (!entry) return;

switch (entry->type) {
        case RR_SRV:
                if (entry->data.SRV.target)
                         free(entry->data.SRV.target);
        break;
        case RR_PTR:
                if (entry->data.PTR.domain)
                        free(entry->data.PTR.domain);
        break;
        case RR_TXT:
        {
                struct rr_data_txt *text, *TXT;

TXT = entry->data.TXT;
                while ((text = TXT)) {
                        TXT = TXT->next;
                        if (text)
                               free(text);
                }
        }}
        if (entry->name)
                free(entry->name);
}
07070100000021000041ED0000000000000000000000026291210E00000000000000000000000000000000000000000000001A00000000libmicrodns-0.2.0+6/tests07070100000022000081A40000000000000000000000016291210E000006EE000000000000000000000000000000000000002100000000libmicrodns-0.2.0+6/tests/fuzz.c/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2020 VideoLabs SAS
 *
 * Author: Hugo Beauzée-Luyssen <hugo@beauzee.fr>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "mdns.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);

int LLVMFuzzerTestOneInput(const uint8_t *buff, size_t size)
{
    struct mdns_hdr hdr;
    struct rr_entry *entries;
    mdns_parse(&hdr, &entries, buff, size);
    // Same size as MDNS_PKT_MAXSZ in mdns.c
    uint8_t buf[4096] = {0};
    size_t len;
    mdns_write(&hdr, entries, buf, sizeof(buf), &len);
    mdns_free(entries);
    return 0;
}
07070100000023000081A40000000000000000000000016291210E0000027A000000000000000000000000000000000000002600000000libmicrodns-0.2.0+6/tests/meson.buildif get_option('tests').disabled()
    subdir_done()
endif

mdns_objs = libmicrodns.extract_all_objects(recursive: true)

unittest_e = executable('unittest', 'unittests.c',
    include_directories: incdirs,
    objects: mdns_objs,
    link_with: libcompat,
    c_args: c_args,
    link_args: link_flags
)

test('unittest', unittest_e)

if get_option('fuzzing')
    executable('mdnsfuzz', 'fuzz.c',
        include_directories: incdirs,
        link_with: libmicrodns,
        link_args: ['-fsanitize=fuzzer,address,undefined', '-lasan', '-lubsan', '-fprofile-instr-generate', '-fcoverage-mapping'],
        c_args: c_args,
    )
endif
07070100000024000081A40000000000000000000000016291210E00000A02000000000000000000000000000000000000002600000000libmicrodns-0.2.0+6/tests/unittests.c/*****************************************************************************
 * This file is part of libmicrodns.
 *
 * Copyright © 2020 VideoLabs SAS
 *
 * Author: Hugo Beauzée-Luyssen <hugo@beauzee.fr>
 *
 *****************************************************************************
 * libmicrodns is released under LGPLv2.1 (or later) and is also available
 * under a commercial license.
 *****************************************************************************
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "mdns.h"
#include <string.h>

#undef NDEBUG
#include <assert.h>

static void simple_answer_test()
{
    uint8_t buff[] = {
        0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
        0x0a, 0x5f, 0x6e, 0x6f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x04,
        0x5f, 0x74, 0x63, 0x70, 0x05, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x00, 0x00,
        0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x78, 0x00, 0x0b, 0x08, 0x6d, 0x69,
        0x6e, 0x69, 0x32, 0x30, 0x31, 0x38, 0xc0, 0x0c,
    };
    size_t len = sizeof(buff) / sizeof(buff[0]);
    struct mdns_hdr hdr = {0};
    struct rr_entry *entries = NULL;
    int res = mdns_parse(&hdr, &entries, buff, len);
    assert(res == 0);
    assert(hdr.num_qn == 0);
    assert(hdr.num_ans_rr == 1);
    assert(hdr.num_auth_rr == 0);
    assert(hdr.num_add_rr == 0);
    assert(hdr.flags == (FLAG_QR | FLAG_AA));

assert(entries != NULL);
    assert(entries->next == NULL);
    assert(entries->type == RR_PTR);
    assert(strcmp("_nomachine._tcp.local", entries->name) == 0);
    assert(strcmp("mini2018._nomachine._tcp.local", entries->data.PTR.domain) == 0);
    mdns_free(entries);
}

int main()
{
    simple_answer_test();

return 0;
}
07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!468 blocks

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