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File file-5.41.dif of Package file
--- magic/Magdir/elf | 2 magic/Magdir/linux | 36 +++++---- magic/Magdir/msad | 5 + magic/Magdir/msdos | 6 - magic/Makefile.am | 63 +++++++++------- magic/Makefile.in | 60 +++++++++------ src/Makefile.am | 2 src/dcore.c | 207 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 313 insertions(+), 68 deletions(-) --- magic/Magdir/elf +++ magic/Magdir/elf 2021-10-19 09:27:23.638685060 +0000 @@ -152,7 +152,7 @@ >18 leshort 47 Renesas H8/300H, >18 leshort 48 Renesas H8S, >18 leshort 49 Renesas H8/500, ->18 leshort 50 IA-64, +>18 leshort 50 IA-64 (Intel 64 bit architecture), >18 leshort 51 Stanford MIPS-X, >18 leshort 52 Motorola Coldfire, >18 leshort 53 Motorola M68HC12, --- magic/Magdir/linux +++ magic/Magdir/linux 2021-10-19 09:27:23.638685060 +0000 @@ -140,27 +140,31 @@ # All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29 # Linux kernel boot images (i386 arch) (Wolfram Kleff) # URL: https://www.kernel.org/doc/Documentation/x86/boot.txt -514 string HdrS Linux kernel +514 string HdrS Linux !:strength + 55 # often no extension like in linux, vmlinuz, bzimage or memdisk but sometimes # Acronis Recovery kernel64.dat and Plop Boot Manager plpbtrom.bin # DamnSmallLinux 1.5 damnsmll.lnx !:ext /dat/bin/lnx ->510 leshort 0xAA55 x86 boot executable ->>518 leshort >0x1ff ->>>529 byte 0 zImage, ->>>529 byte 1 bzImage, ->>>526 lelong >0 ->>>>(526.s+0x200) string >\0 version %s, ->>498 leshort 1 RO-rootFS, ->>498 leshort 0 RW-rootFS, ->>508 leshort >0 root_dev %#X, ->>502 leshort >0 swap_dev %#X, ->>504 leshort >0 RAMdisksize %u KB, ->>506 leshort 0xFFFF Normal VGA ->>506 leshort 0xFFFE Extended VGA ->>506 leshort 0xFFFD Prompt for Videomode ->>506 leshort >0 Video mode %d +>510 leshort 0xAA55 \b/x86 Kernel +>510 leshort <0xAA55 Kernel +>510 leshort >0xAA55 Kernel +>518 leshort 0x0105 \b, Setup Version 0x105, zImage +>518 leshort >0x0105 \b, Setup Version %#x +>518 leshort >0x1ff +>>529 byte 0 \b, zImage +>>529 byte 1 \b, bzImage +>>526 lelong >0 +>>>(526.s+0x200) string >\0 \b, Version %s +>>498 leshort 1 \b, RO-rootFS +>>498 leshort 0 \b, RW-rootFS +>>508 leshort >0 \b, root_dev %#X +>>502 leshort >0 \b, swap_dev %#X +>>504 leshort >0 \b, RAMdisksize %u KB +>>506 leshort 0xFFFF \b, Normal VGA +>>506 leshort 0xFFFE \b, Extended VGA +>>506 leshort 0xFFFD \b, Prompt for Videomode +>>506 leshort >0 \b, Video mode %d # This also matches new kernels, which were caught above by "HdrS". 0 belong 0xb8c0078e Linux kernel >0x1e3 string Loading version 1.3.79 or older --- magic/Magdir/msad +++ magic/Magdir/msad 2021-10-19 09:27:23.638685060 +0000 @@ -0,0 +1,5 @@ +#------------------------------------------------------------------------------ +# msad: file(1) magic for msad +# Microsoft visual C +# This must precede the heuristic for raw G3 data +4 string Standard\ Jet\ DB Microsoft Access Database --- magic/Magdir/msdos +++ magic/Magdir/msdos 2021-10-19 09:27:23.638685060 +0000 @@ -145,9 +145,9 @@ >>(0x3c.l+22) leshort&0x0200 >0 (stripped to external PDB) >>(0x3c.l+22) leshort&0x1000 >0 system file >>(0x3c.l+24) leshort 0x010b ->>>(0x3c.l+232) lelong >0 Mono/.Net assembly +>>>(0x3c.l+232) lelong >0 \b, Mono/.Net assembly >>(0x3c.l+24) leshort 0x020b ->>>(0x3c.l+248) lelong >0 Mono/.Net assembly +>>>(0x3c.l+248) lelong >0 \b, Mono/.Net assembly # hooray, there's a DOS extender using the PE format, with a valid PE # executable inside (which just prints a message and exits if run in win) @@ -635,7 +635,7 @@ # negative offset, must not lead into PSP >1 short <-259 # that offset must be accessible ->>(1,s+65539) byte x +>>(1.s+65539) byte x >>>0 use msdos-com # updated by Joerg Jenderek at Oct 2008,2015 --- magic/Makefile.am +++ magic/Makefile.am 2021-10-19 09:31:45.610115482 +0000 @@ -5,7 +5,7 @@ MAGIC_FRAGMENT_BASE = Magdir MAGIC_DIR = $(top_srcdir)/magic MAGIC_FRAGMENT_DIR = $(MAGIC_DIR)/$(MAGIC_FRAGMENT_BASE) -pkgdata_DATA = magic.mgc +pkgdata_DATA = magic.mgc magic MAGIC_FRAGMENTS = \ $(MAGIC_DIR)/Header \ @@ -24,7 +24,6 @@ $(MAGIC_FRAGMENT_DIR)/animation \ $(MAGIC_FRAGMENT_DIR)/aout \ $(MAGIC_FRAGMENT_DIR)/apache \ $(MAGIC_FRAGMENT_DIR)/apl \ -$(MAGIC_FRAGMENT_DIR)/apple \ $(MAGIC_FRAGMENT_DIR)/application \ $(MAGIC_FRAGMENT_DIR)/applix \ $(MAGIC_FRAGMENT_DIR)/apt \ @@ -102,7 +101,6 @@ $(MAGIC_FRAGMENT_DIR)/erlang \ $(MAGIC_FRAGMENT_DIR)/espressif \ $(MAGIC_FRAGMENT_DIR)/esri \ $(MAGIC_FRAGMENT_DIR)/fcs \ -$(MAGIC_FRAGMENT_DIR)/filesystems \ $(MAGIC_FRAGMENT_DIR)/finger \ $(MAGIC_FRAGMENT_DIR)/flash \ $(MAGIC_FRAGMENT_DIR)/flif \ @@ -147,6 +145,8 @@ $(MAGIC_FRAGMENT_DIR)/isz \ $(MAGIC_FRAGMENT_DIR)/java \ $(MAGIC_FRAGMENT_DIR)/javascript \ $(MAGIC_FRAGMENT_DIR)/jpeg \ +$(MAGIC_FRAGMENT_DIR)/linux \ +$(MAGIC_FRAGMENT_DIR)/filesystems \ $(MAGIC_FRAGMENT_DIR)/karma \ $(MAGIC_FRAGMENT_DIR)/kde \ $(MAGIC_FRAGMENT_DIR)/keepass \ @@ -157,7 +157,6 @@ $(MAGIC_FRAGMENT_DIR)/lammps \ $(MAGIC_FRAGMENT_DIR)/lecter \ $(MAGIC_FRAGMENT_DIR)/lex \ $(MAGIC_FRAGMENT_DIR)/lif \ -$(MAGIC_FRAGMENT_DIR)/linux \ $(MAGIC_FRAGMENT_DIR)/lisp \ $(MAGIC_FRAGMENT_DIR)/llvm \ $(MAGIC_FRAGMENT_DIR)/locoscript \ @@ -165,7 +164,6 @@ $(MAGIC_FRAGMENT_DIR)/lua \ $(MAGIC_FRAGMENT_DIR)/luks \ $(MAGIC_FRAGMENT_DIR)/m4 \ $(MAGIC_FRAGMENT_DIR)/mach \ -$(MAGIC_FRAGMENT_DIR)/macintosh \ $(MAGIC_FRAGMENT_DIR)/macos \ $(MAGIC_FRAGMENT_DIR)/magic \ $(MAGIC_FRAGMENT_DIR)/mail.news \ @@ -189,11 +187,11 @@ $(MAGIC_FRAGMENT_DIR)/misctools \ $(MAGIC_FRAGMENT_DIR)/mkid \ $(MAGIC_FRAGMENT_DIR)/mlssa \ $(MAGIC_FRAGMENT_DIR)/mmdf \ -$(MAGIC_FRAGMENT_DIR)/modem \ $(MAGIC_FRAGMENT_DIR)/modulefile \ $(MAGIC_FRAGMENT_DIR)/motorola \ $(MAGIC_FRAGMENT_DIR)/mozilla \ $(MAGIC_FRAGMENT_DIR)/msdos \ +$(MAGIC_FRAGMENT_DIR)/modem \ $(MAGIC_FRAGMENT_DIR)/msooxml \ $(MAGIC_FRAGMENT_DIR)/msvc \ $(MAGIC_FRAGMENT_DIR)/msx \ @@ -252,6 +250,8 @@ $(MAGIC_FRAGMENT_DIR)/python \ $(MAGIC_FRAGMENT_DIR)/qt \ $(MAGIC_FRAGMENT_DIR)/revision \ $(MAGIC_FRAGMENT_DIR)/riff \ +$(MAGIC_FRAGMENT_DIR)/apple \ +$(MAGIC_FRAGMENT_DIR)/macintosh \ $(MAGIC_FRAGMENT_DIR)/rpi \ $(MAGIC_FRAGMENT_DIR)/rpm \ $(MAGIC_FRAGMENT_DIR)/rpmsg \ @@ -341,9 +341,21 @@ EXTRA_DIST = \ $(MAGIC_DIR)/scripts/create_filemagic_flac \ $(MAGIC_FRAGMENTS) - +RAW = magic MAGIC = magic.mgc -CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff +CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff ${RAW} + +${RAW}: $(MAGIC_DIR)/Header $(MAGIC_DIR)/Localstuff $(MAGIC_FRAGMENTS) + cat /dev/null > $@ + for frag in $(MAGIC_FRAGMENTS); do \ + if test -f $(srcdir)/$$frag; then \ + f=$(srcdir)/$$frag; \ + else \ + f=$$frag; \ + fi; \ + cat $$f; \ + done >> $@ + # FIXME: Build file natively as well so that it can be used to compile # the target's magic file; for now we bail if the local version does not match @@ -355,19 +367,22 @@ FILE_COMPILE = $(top_builddir)/src/file$ FILE_COMPILE_DEP = $(FILE_COMPILE) endif -${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) - @rm -fr magic - @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic - @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \ - echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \ - else \ - v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \ - if [ "$$v" != "${PACKAGE_VERSION}" ]; then \ - echo "Cannot use the installed version of file ($$v) to"; \ - echo "cross-compile file ${PACKAGE_VERSION}"; \ - echo "Please install file ${PACKAGE_VERSION} locally first"; \ - exit 1; \ - fi; \ - fi) - $(FILE_COMPILE) -C -m magic - @rm -fr magic +${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) $(RAW) + $(FILE_COMPILE) -C -m $(RAW) + +#${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) +# @rm -fr magic +# @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic +# @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \ +# echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \ +# else \ +# v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \ +# if [ "$$v" != "${PACKAGE_VERSION}" ]; then \ +# echo "Cannot use the installed version of file ($$v) to"; \ +# echo "cross-compile file ${PACKAGE_VERSION}"; \ +# echo "Please install file ${PACKAGE_VERSION} locally first"; \ +# exit 1; \ +# fi; \ +# fi) +# $(FILE_COMPILE) -C -m magic +# @rm -fr magic --- magic/Makefile.in +++ magic/Makefile.in 2021-10-19 09:34:04.535688599 +0000 @@ -280,7 +280,7 @@ top_srcdir = @top_srcdir@ MAGIC_FRAGMENT_BASE = Magdir MAGIC_DIR = $(top_srcdir)/magic MAGIC_FRAGMENT_DIR = $(MAGIC_DIR)/$(MAGIC_FRAGMENT_BASE) -pkgdata_DATA = magic.mgc +pkgdata_DATA = magic.mgc magic MAGIC_FRAGMENTS = \ $(MAGIC_DIR)/Header \ $(MAGIC_DIR)/Localstuff \ @@ -298,7 +298,6 @@ $(MAGIC_FRAGMENT_DIR)/animation \ $(MAGIC_FRAGMENT_DIR)/aout \ $(MAGIC_FRAGMENT_DIR)/apache \ $(MAGIC_FRAGMENT_DIR)/apl \ -$(MAGIC_FRAGMENT_DIR)/apple \ $(MAGIC_FRAGMENT_DIR)/application \ $(MAGIC_FRAGMENT_DIR)/applix \ $(MAGIC_FRAGMENT_DIR)/apt \ @@ -376,7 +375,6 @@ $(MAGIC_FRAGMENT_DIR)/erlang \ $(MAGIC_FRAGMENT_DIR)/espressif \ $(MAGIC_FRAGMENT_DIR)/esri \ $(MAGIC_FRAGMENT_DIR)/fcs \ -$(MAGIC_FRAGMENT_DIR)/filesystems \ $(MAGIC_FRAGMENT_DIR)/finger \ $(MAGIC_FRAGMENT_DIR)/flash \ $(MAGIC_FRAGMENT_DIR)/flif \ @@ -421,6 +419,8 @@ $(MAGIC_FRAGMENT_DIR)/isz \ $(MAGIC_FRAGMENT_DIR)/java \ $(MAGIC_FRAGMENT_DIR)/javascript \ $(MAGIC_FRAGMENT_DIR)/jpeg \ +$(MAGIC_FRAGMENT_DIR)/linux \ +$(MAGIC_FRAGMENT_DIR)/filesystems \ $(MAGIC_FRAGMENT_DIR)/karma \ $(MAGIC_FRAGMENT_DIR)/kde \ $(MAGIC_FRAGMENT_DIR)/keepass \ @@ -431,7 +431,6 @@ $(MAGIC_FRAGMENT_DIR)/lammps \ $(MAGIC_FRAGMENT_DIR)/lecter \ $(MAGIC_FRAGMENT_DIR)/lex \ $(MAGIC_FRAGMENT_DIR)/lif \ -$(MAGIC_FRAGMENT_DIR)/linux \ $(MAGIC_FRAGMENT_DIR)/lisp \ $(MAGIC_FRAGMENT_DIR)/llvm \ $(MAGIC_FRAGMENT_DIR)/locoscript \ @@ -439,7 +438,6 @@ $(MAGIC_FRAGMENT_DIR)/lua \ $(MAGIC_FRAGMENT_DIR)/luks \ $(MAGIC_FRAGMENT_DIR)/m4 \ $(MAGIC_FRAGMENT_DIR)/mach \ -$(MAGIC_FRAGMENT_DIR)/macintosh \ $(MAGIC_FRAGMENT_DIR)/macos \ $(MAGIC_FRAGMENT_DIR)/magic \ $(MAGIC_FRAGMENT_DIR)/mail.news \ @@ -463,11 +461,11 @@ $(MAGIC_FRAGMENT_DIR)/misctools \ $(MAGIC_FRAGMENT_DIR)/mkid \ $(MAGIC_FRAGMENT_DIR)/mlssa \ $(MAGIC_FRAGMENT_DIR)/mmdf \ -$(MAGIC_FRAGMENT_DIR)/modem \ $(MAGIC_FRAGMENT_DIR)/modulefile \ $(MAGIC_FRAGMENT_DIR)/motorola \ $(MAGIC_FRAGMENT_DIR)/mozilla \ $(MAGIC_FRAGMENT_DIR)/msdos \ +$(MAGIC_FRAGMENT_DIR)/modem \ $(MAGIC_FRAGMENT_DIR)/msooxml \ $(MAGIC_FRAGMENT_DIR)/msvc \ $(MAGIC_FRAGMENT_DIR)/msx \ @@ -526,6 +524,8 @@ $(MAGIC_FRAGMENT_DIR)/python \ $(MAGIC_FRAGMENT_DIR)/qt \ $(MAGIC_FRAGMENT_DIR)/revision \ $(MAGIC_FRAGMENT_DIR)/riff \ +$(MAGIC_FRAGMENT_DIR)/apple \ +$(MAGIC_FRAGMENT_DIR)/macintosh \ $(MAGIC_FRAGMENT_DIR)/rpi \ $(MAGIC_FRAGMENT_DIR)/rpm \ $(MAGIC_FRAGMENT_DIR)/rpmsg \ @@ -615,10 +615,22 @@ EXTRA_DIST = \ $(MAGIC_DIR)/scripts/create_filemagic_flac \ $(MAGIC_FRAGMENTS) +RAW = magic MAGIC = magic.mgc -CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff +CLEANFILES = ${MAGIC} $(MAGIC_FRAGMENT_DIR)/Localstuff ${RAW} @IS_CROSS_COMPILE_FALSE@FILE_COMPILE = $(top_builddir)/src/file${EXEEXT} +${RAW}: $(MAGIC_DIR)/Header $(MAGIC_DIR)/Localstuff $(MAGIC_FRAGMENTS) + cat /dev/null > $@ + for frag in $(MAGIC_FRAGMENTS); do \ + if test -f $(srcdir)/$$frag; then \ + f=$(srcdir)/$$frag; \ + else \ + f=$$frag; \ + fi; \ + cat $$f; \ + done >> $@ + # FIXME: Build file natively as well so that it can be used to compile # the target's magic file; for now we bail if the local version does not match @IS_CROSS_COMPILE_TRUE@FILE_COMPILE = file${EXEEXT} @@ -843,23 +855,25 @@ uninstall-am: uninstall-pkgdataDATA .PRECIOUS: Makefile +${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) $(RAW) + $(FILE_COMPILE) -C -m $(RAW) -${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) - @rm -fr magic - @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic - @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \ - echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \ - else \ - v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \ - if [ "$$v" != "${PACKAGE_VERSION}" ]; then \ - echo "Cannot use the installed version of file ($$v) to"; \ - echo "cross-compile file ${PACKAGE_VERSION}"; \ - echo "Please install file ${PACKAGE_VERSION} locally first"; \ - exit 1; \ - fi; \ - fi) - $(FILE_COMPILE) -C -m magic - @rm -fr magic +#${MAGIC}: $(MAGIC_FRAGMENTS) $(FILE_COMPILE_DEP) +# @rm -fr magic +# @mkdir magic && cp -p $(MAGIC_FRAGMENTS) magic +# @(if expr "${FILE_COMPILE}" : '.*/.*' > /dev/null; then \ +# echo "Using ${FILE_COMPILE} to generate ${MAGIC}" > /dev/null; \ +# else \ +# v=$$(${FILE_COMPILE} --version | sed -e s/file-// -e q); \ +# if [ "$$v" != "${PACKAGE_VERSION}" ]; then \ +# echo "Cannot use the installed version of file ($$v) to"; \ +# echo "cross-compile file ${PACKAGE_VERSION}"; \ +# echo "Please install file ${PACKAGE_VERSION} locally first"; \ +# exit 1; \ +# fi; \ +# fi) +# $(FILE_COMPILE) -C -m magic +# @rm -fr magic # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. --- src/Makefile.am +++ src/Makefile.am 2021-10-19 09:27:23.654684781 +0000 @@ -1,4 +1,4 @@ -MAGIC = $(pkgdatadir)/magic +MAGIC = $(sysconfdir)/magic:$(pkgdatadir)/magic lib_LTLIBRARIES = libmagic.la nodist_include_HEADERS = magic.h --- src/dcore.c +++ src/dcore.c 2021-10-19 09:27:23.654684781 +0000 @@ -0,0 +1,207 @@ +/* + * Show goo about ELF core files + * Jeremy Fitzhardinge <jeremy@zip.com.au> 1996 + */ +#include <unistd.h> +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <string.h> +#if defined __GLIBC__ && __GLIBC__ >= 2 +#include <elf.h> +#include <sys/procfs.h> +# ifndef NT_PRFPREG +# define NT_PRFPREG 2 +# endif +# ifndef NT_TASKSTRUCT +# define NT_TASKSTRUCT 4 +# endif +#else +#include <linux/elf.h> +#include <linux/elfcore.h> +#endif + +static void fperror(const char *str) +{ + perror(str); + exit(1); +} + +static size_t myread(int fd, void *buf, size_t sz) +{ + size_t ret; + + if ((ret = read(fd, buf, sz)) != sz) + fperror("read failed"); + return ret; +} + +static void print_prstatus(const prstatus_t *pr) +{ + unsigned i; + static const char *regs[] = { "ebx", "ecx", "edx", "esi", "edi", "ebp", + "eax", "ds", "es", "fs", "gs", + "orig_eax", "eip", "cs", + "efl", "uesp", "ss"}; + + printf(" pid=%d ppid=%d pgrp=%d sid=%d\n", + pr->pr_pid, pr->pr_ppid, pr->pr_pgrp, pr->pr_sid); + for(i = 0; i < NGREG; i++) + { + unsigned long val = pr->pr_reg[i]; + printf(" %-2u %-5s=%08lx %lu\n", i, regs[i], val, val); + } +} + +static void print_prpsinfo(const prpsinfo_t *ps) +{ + printf(" uid=%d gid=%d\n", ps->pr_uid, ps->pr_gid); + printf(" comm=%s\n", ps->pr_fname); + printf(" psargs=%s\n", ps->pr_psargs); +} + +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) + +static void do_note(int fd, Elf32_Phdr *phdr) +{ + off_t here = lseek(fd, 0, SEEK_CUR); + int size = phdr->p_filesz; + char *raw = alloca(size), *end; + end = raw+size; + + lseek(fd, phdr->p_offset, SEEK_SET); + myread(fd, raw, size); + + while(raw < end) + { + Elf32_Nhdr *note = (Elf32_Nhdr *)raw; + const char *str; + const char *name, *desc; + + raw += sizeof(*note); + name = raw; + raw += roundup(note->n_namesz, sizeof(long)); + desc = raw; + raw += roundup(note->n_descsz, sizeof(long)); + + printf(" name=%.*s", (int)note->n_namesz, name); + + if(strncmp(name, "CORE", note->n_namesz) != 0) + { + printf("\n"); + continue; + } + + switch(note->n_type) + { +#define X(x) case x: str = #x; break; + X(NT_PRSTATUS); + X(NT_PRFPREG); + X(NT_PRPSINFO); + X(NT_TASKSTRUCT); +#undef X + default: + str = "???"; + } + printf(" n_type=%s n_descsz=%ld\n", + str, note->n_descsz); + switch(note->n_type) + { + case NT_PRSTATUS: + print_prstatus((prstatus_t *)desc); + break; + case NT_PRPSINFO: + print_prpsinfo((prpsinfo_t *)desc); + break; + } + } + lseek(fd, here, SEEK_SET); +} + +int main(int argc, char *argv[]) +{ + int fd; + Elf32_Ehdr elf; + int i; + + if (argc != 2) + { + fprintf(stderr, "Usage: %s corefile\n", argv[0]); + exit(1); + } + + if ((fd = open(argv[1], O_RDONLY)) == -1) + fperror("open of core"); + + myread(fd, &elf, sizeof(elf)); + + if (memcmp(ELFMAG, elf.e_ident, SELFMAG) != 0) + printf("bad magic\n"); + + if (elf.e_ident[EI_CLASS] != ELFCLASS32) + printf("wrong class\n"); + + if (elf.e_ident[EI_DATA] != ELFDATA2LSB) + printf("wrong endianess\n"); + + if (elf.e_ident[EI_VERSION] != EV_CURRENT) + printf("wrong version\n"); + + { + const char *str; + switch(elf.e_type) + { +#define C(x) case ET_##x: str = #x; break; + C(NONE); + C(REL); + C(EXEC); + C(DYN); + C(CORE); +#undef C + default: str = "???"; break; + } + printf("elf file type ET_%s\n", str); + } + + if (elf.e_machine != EM_386 && elf.e_machine != EM_486) + printf("not i386 or i486\n"); + + if (elf.e_ehsize != sizeof(elf)) + printf("wrong header size\n"); + + if (elf.e_phentsize != sizeof(Elf32_Phdr)) + printf("wrong phdr size\n"); + + if (lseek(fd, elf.e_phoff, SEEK_SET) != (off_t)elf.e_phoff) + fperror("lseek to phdr failed\n"); + + for(i = 0; i < elf.e_phnum; i++) + { + Elf32_Phdr phdr; + const char *str; + + myread(fd, &phdr, sizeof(phdr)); + switch(phdr.p_type) + { +#define C(x) case PT_##x: str = #x; break; + C(NULL); + C(LOAD); + C(DYNAMIC); + C(INTERP); + C(NOTE); + C(SHLIB); + C(PHDR); +#undef C + default: + str = "???"; break; + } + printf("type PT_%s off=%ld vaddr=%lx filesz=%ld flags=%lx\n", + str, phdr.p_offset, phdr.p_vaddr, phdr.p_filesz, + (unsigned long)phdr.p_flags); + if (phdr.p_type == PT_NOTE) + do_note(fd, &phdr); + } + exit(0); +} +
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