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SUSE:SLE-12-SP1:Update
qemu.11146
0189-9pfs-break-out-9p.h-from-virtio-9p..patch
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File 0189-9pfs-break-out-9p.h-from-virtio-9p..patch of Package qemu.11146
From 3298021e307d836fafe5ec74f76c1feca2badda7 Mon Sep 17 00:00:00 2001 From: Wei Liu <wei.liu2@citrix.com> Date: Thu, 7 Jan 2016 18:18:02 +0000 Subject: [PATCH] 9pfs: break out 9p.h from virtio-9p.h Move out generic definitions from virtio-9p.h to 9p.h. Fix header inclusions. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> (cherry picked from commit ebe74f8ba2f1f68b87d7289696acc4741a30d2da) [BR: Fix and/or infrastructure for BSC#1020427 CVE-2016-9602] Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/9pfs/9p-handle.c | 2 +- hw/9pfs/9p-local.c | 2 +- hw/9pfs/9p-posix-acl.c | 2 +- hw/9pfs/9p-proxy.c | 2 +- hw/9pfs/9p-xattr-user.c | 2 +- hw/9pfs/9p-xattr.c | 2 +- hw/9pfs/9p.h | 325 ++++++++++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-synth.c | 2 +- hw/9pfs/virtio-9p.h | 319 +------------------------------------ 9 files changed, 333 insertions(+), 325 deletions(-) diff --git a/hw/9pfs/9p-handle.c b/hw/9pfs/9p-handle.c index 51a9d15fee..58b77b4c94 100644 --- a/hw/9pfs/9p-handle.c +++ b/hw/9pfs/9p-handle.c @@ -11,7 +11,7 @@ * */ -#include "virtio-9p.h" +#include "9p.h" #include "9p-xattr.h" #include <arpa/inet.h> #include <pwd.h> diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c index ac553e0db7..bf63eab729 100644 --- a/hw/9pfs/9p-local.c +++ b/hw/9pfs/9p-local.c @@ -11,7 +11,7 @@ * */ -#include "virtio-9p.h" +#include "9p.h" #include "9p-xattr.h" #include "fsdev/qemu-fsdev.h" /* local_ops */ #include <arpa/inet.h> diff --git a/hw/9pfs/9p-posix-acl.c b/hw/9pfs/9p-posix-acl.c index 073af39983..8df822833c 100644 --- a/hw/9pfs/9p-posix-acl.c +++ b/hw/9pfs/9p-posix-acl.c @@ -13,7 +13,7 @@ #include <sys/types.h> #include "qemu/xattr.h" -#include "virtio-9p.h" +#include "9p.h" #include "fsdev/file-op-9p.h" #include "9p-xattr.h" diff --git a/hw/9pfs/9p-proxy.c b/hw/9pfs/9p-proxy.c index 67c1fb93f8..73d00dd74d 100644 --- a/hw/9pfs/9p-proxy.c +++ b/hw/9pfs/9p-proxy.c @@ -11,7 +11,7 @@ */ #include <sys/socket.h> #include <sys/un.h> -#include "virtio-9p.h" +#include "9p.h" #include "qemu/error-report.h" #include "fsdev/qemu-fsdev.h" #include "9p-proxy.h" diff --git a/hw/9pfs/9p-xattr-user.c b/hw/9pfs/9p-xattr-user.c index 163b158362..c490ec3bf0 100644 --- a/hw/9pfs/9p-xattr-user.c +++ b/hw/9pfs/9p-xattr-user.c @@ -12,7 +12,7 @@ */ #include <sys/types.h> -#include "virtio-9p.h" +#include "9p.h" #include "fsdev/file-op-9p.h" #include "9p-xattr.h" diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c index 1d7861b27b..741dd03744 100644 --- a/hw/9pfs/9p-xattr.c +++ b/hw/9pfs/9p-xattr.c @@ -11,7 +11,7 @@ * */ -#include "virtio-9p.h" +#include "9p.h" #include "fsdev/file-op-9p.h" #include "9p-xattr.h" diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h new file mode 100644 index 0000000000..9aeb8745cf --- /dev/null +++ b/hw/9pfs/9p.h @@ -0,0 +1,325 @@ +#ifndef _QEMU_9P_H +#define _QEMU_9P_H + +#include <sys/types.h> +#include <dirent.h> +#include <sys/time.h> +#include <utime.h> +#include <sys/resource.h> +#include <glib.h> +#include "standard-headers/linux/virtio_9p.h" +#include "hw/virtio/virtio.h" +#include "fsdev/file-op-9p.h" +#include "fsdev/9p-iov-marshal.h" +#include "qemu/thread.h" +#include "qemu/coroutine.h" + +enum { + P9_TLERROR = 6, + P9_RLERROR, + P9_TSTATFS = 8, + P9_RSTATFS, + P9_TLOPEN = 12, + P9_RLOPEN, + P9_TLCREATE = 14, + P9_RLCREATE, + P9_TSYMLINK = 16, + P9_RSYMLINK, + P9_TMKNOD = 18, + P9_RMKNOD, + P9_TRENAME = 20, + P9_RRENAME, + P9_TREADLINK = 22, + P9_RREADLINK, + P9_TGETATTR = 24, + P9_RGETATTR, + P9_TSETATTR = 26, + P9_RSETATTR, + P9_TXATTRWALK = 30, + P9_RXATTRWALK, + P9_TXATTRCREATE = 32, + P9_RXATTRCREATE, + P9_TREADDIR = 40, + P9_RREADDIR, + P9_TFSYNC = 50, + P9_RFSYNC, + P9_TLOCK = 52, + P9_RLOCK, + P9_TGETLOCK = 54, + P9_RGETLOCK, + P9_TLINK = 70, + P9_RLINK, + P9_TMKDIR = 72, + P9_RMKDIR, + P9_TRENAMEAT = 74, + P9_RRENAMEAT, + P9_TUNLINKAT = 76, + P9_RUNLINKAT, + P9_TVERSION = 100, + P9_RVERSION, + P9_TAUTH = 102, + P9_RAUTH, + P9_TATTACH = 104, + P9_RATTACH, + P9_TERROR = 106, + P9_RERROR, + P9_TFLUSH = 108, + P9_RFLUSH, + P9_TWALK = 110, + P9_RWALK, + P9_TOPEN = 112, + P9_ROPEN, + P9_TCREATE = 114, + P9_RCREATE, + P9_TREAD = 116, + P9_RREAD, + P9_TWRITE = 118, + P9_RWRITE, + P9_TCLUNK = 120, + P9_RCLUNK, + P9_TREMOVE = 122, + P9_RREMOVE, + P9_TSTAT = 124, + P9_RSTAT, + P9_TWSTAT = 126, + P9_RWSTAT, +}; + + +/* qid.types */ +enum { + P9_QTDIR = 0x80, + P9_QTAPPEND = 0x40, + P9_QTEXCL = 0x20, + P9_QTMOUNT = 0x10, + P9_QTAUTH = 0x08, + P9_QTTMP = 0x04, + P9_QTSYMLINK = 0x02, + P9_QTLINK = 0x01, + P9_QTFILE = 0x00, +}; + +enum p9_proto_version { + V9FS_PROTO_2000U = 0x01, + V9FS_PROTO_2000L = 0x02, +}; + +#define P9_NOTAG (u16)(~0) +#define P9_NOFID (u32)(~0) +#define P9_MAXWELEM 16 + +#define FID_REFERENCED 0x1 +#define FID_NON_RECLAIMABLE 0x2 +static inline char *rpath(FsContext *ctx, const char *path) +{ + return g_strdup_printf("%s/%s", ctx->fs_root, path); +} + +/* + * ample room for Twrite/Rread header + * size[4] Tread/Twrite tag[2] fid[4] offset[8] count[4] + */ +#define P9_IOHDRSZ 24 + +typedef struct V9fsPDU V9fsPDU; +struct V9fsState; + +struct V9fsPDU +{ + uint32_t size; + uint16_t tag; + uint8_t id; + uint8_t cancelled; + CoQueue complete; + VirtQueueElement elem; + struct V9fsState *s; + QLIST_ENTRY(V9fsPDU) next; +}; + + +/* FIXME + * 1) change user needs to set groups and stuff + */ + +#define MAX_REQ 128 +#define MAX_TAG_LEN 32 + +#define BUG_ON(cond) assert(!(cond)) + +typedef struct V9fsFidState V9fsFidState; + +enum { + P9_FID_NONE = 0, + P9_FID_FILE, + P9_FID_DIR, + P9_FID_XATTR, +}; + +typedef struct V9fsConf +{ + /* tag name for the device */ + char *tag; + char *fsdev_id; +} V9fsConf; + +typedef struct V9fsXattr +{ + int64_t copied_len; + int64_t len; + void *value; + V9fsString name; + int flags; +} V9fsXattr; + +/* + * Filled by fs driver on open and other + * calls. + */ +union V9fsFidOpenState { + int fd; + DIR *dir; + V9fsXattr xattr; + /* + * private pointer for fs drivers, that + * have its own internal representation of + * open files. + */ + void *private; +}; + +struct V9fsFidState +{ + int fid_type; + int32_t fid; + V9fsPath path; + V9fsFidOpenState fs; + V9fsFidOpenState fs_reclaim; + int flags; + int open_flags; + uid_t uid; + int ref; + int clunked; + V9fsFidState *next; + V9fsFidState *rclm_lst; +}; + +typedef struct V9fsState +{ + VirtIODevice parent_obj; + VirtQueue *vq; + V9fsPDU pdus[MAX_REQ]; + QLIST_HEAD(, V9fsPDU) free_list; + QLIST_HEAD(, V9fsPDU) active_list; + V9fsFidState *fid_list; + FileOperations *ops; + FsContext ctx; + char *tag; + size_t config_size; + enum p9_proto_version proto_version; + int32_t msize; + /* + * lock ensuring atomic path update + * on rename. + */ + CoRwlock rename_lock; + int32_t root_fid; + Error *migration_blocker; + V9fsConf fsconf; +} V9fsState; + +/* 9p2000.L open flags */ +#define P9_DOTL_RDONLY 00000000 +#define P9_DOTL_WRONLY 00000001 +#define P9_DOTL_RDWR 00000002 +#define P9_DOTL_NOACCESS 00000003 +#define P9_DOTL_CREATE 00000100 +#define P9_DOTL_EXCL 00000200 +#define P9_DOTL_NOCTTY 00000400 +#define P9_DOTL_TRUNC 00001000 +#define P9_DOTL_APPEND 00002000 +#define P9_DOTL_NONBLOCK 00004000 +#define P9_DOTL_DSYNC 00010000 +#define P9_DOTL_FASYNC 00020000 +#define P9_DOTL_DIRECT 00040000 +#define P9_DOTL_LARGEFILE 00100000 +#define P9_DOTL_DIRECTORY 00200000 +#define P9_DOTL_NOFOLLOW 00400000 +#define P9_DOTL_NOATIME 01000000 +#define P9_DOTL_CLOEXEC 02000000 +#define P9_DOTL_SYNC 04000000 + +/* 9p2000.L at flags */ +#define P9_DOTL_AT_REMOVEDIR 0x200 + +/* 9P2000.L lock type */ +#define P9_LOCK_TYPE_RDLCK 0 +#define P9_LOCK_TYPE_WRLCK 1 +#define P9_LOCK_TYPE_UNLCK 2 + +#define P9_LOCK_SUCCESS 0 +#define P9_LOCK_BLOCKED 1 +#define P9_LOCK_ERROR 2 +#define P9_LOCK_GRACE 3 + +#define P9_LOCK_FLAGS_BLOCK 1 +#define P9_LOCK_FLAGS_RECLAIM 2 + +typedef struct V9fsFlock +{ + uint8_t type; + uint32_t flags; + uint64_t start; /* absolute offset */ + uint64_t length; + uint32_t proc_id; + V9fsString client_id; +} V9fsFlock; + +typedef struct V9fsGetlock +{ + uint8_t type; + uint64_t start; /* absolute offset */ + uint64_t length; + uint32_t proc_id; + V9fsString client_id; +} V9fsGetlock; + +extern int open_fd_hw; +extern int total_open_fd; + +static inline void v9fs_path_write_lock(V9fsState *s) +{ + if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { + qemu_co_rwlock_wrlock(&s->rename_lock); + } +} + +static inline void v9fs_path_read_lock(V9fsState *s) +{ + if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { + qemu_co_rwlock_rdlock(&s->rename_lock); + } +} + +static inline void v9fs_path_unlock(V9fsState *s) +{ + if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { + qemu_co_rwlock_unlock(&s->rename_lock); + } +} + +static inline uint8_t v9fs_request_cancelled(V9fsPDU *pdu) +{ + return pdu->cancelled; +} + +extern void v9fs_reclaim_fd(V9fsPDU *pdu); +extern void v9fs_path_init(V9fsPath *path); +extern void v9fs_path_free(V9fsPath *path); +extern void v9fs_path_copy(V9fsPath *lhs, V9fsPath *rhs); +extern int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath, + const char *name, V9fsPath *path); + +ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...); +ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...); + +#endif diff --git a/hw/9pfs/virtio-9p-synth.c b/hw/9pfs/virtio-9p-synth.c index 9251a7ab4a..7b3a040c65 100644 --- a/hw/9pfs/virtio-9p-synth.c +++ b/hw/9pfs/virtio-9p-synth.c @@ -13,7 +13,7 @@ */ #include "hw/virtio/virtio.h" -#include "virtio-9p.h" +#include "9p.h" #include "9p-xattr.h" #include "fsdev/qemu-fsdev.h" #include "virtio-9p-synth.h" diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h index 5024ad0460..b4d344af95 100644 --- a/hw/9pfs/virtio-9p.h +++ b/hw/9pfs/virtio-9p.h @@ -1,328 +1,11 @@ #ifndef _QEMU_VIRTIO_9P_H #define _QEMU_VIRTIO_9P_H -#include <sys/types.h> -#include <dirent.h> -#include <sys/time.h> -#include <utime.h> -#include <sys/resource.h> -#include <glib.h> #include "standard-headers/linux/virtio_9p.h" #include "hw/virtio/virtio.h" -#include "fsdev/file-op-9p.h" -#include "fsdev/9p-iov-marshal.h" -#include "qemu/thread.h" -#include "qemu/coroutine.h" - -enum { - P9_TLERROR = 6, - P9_RLERROR, - P9_TSTATFS = 8, - P9_RSTATFS, - P9_TLOPEN = 12, - P9_RLOPEN, - P9_TLCREATE = 14, - P9_RLCREATE, - P9_TSYMLINK = 16, - P9_RSYMLINK, - P9_TMKNOD = 18, - P9_RMKNOD, - P9_TRENAME = 20, - P9_RRENAME, - P9_TREADLINK = 22, - P9_RREADLINK, - P9_TGETATTR = 24, - P9_RGETATTR, - P9_TSETATTR = 26, - P9_RSETATTR, - P9_TXATTRWALK = 30, - P9_RXATTRWALK, - P9_TXATTRCREATE = 32, - P9_RXATTRCREATE, - P9_TREADDIR = 40, - P9_RREADDIR, - P9_TFSYNC = 50, - P9_RFSYNC, - P9_TLOCK = 52, - P9_RLOCK, - P9_TGETLOCK = 54, - P9_RGETLOCK, - P9_TLINK = 70, - P9_RLINK, - P9_TMKDIR = 72, - P9_RMKDIR, - P9_TRENAMEAT = 74, - P9_RRENAMEAT, - P9_TUNLINKAT = 76, - P9_RUNLINKAT, - P9_TVERSION = 100, - P9_RVERSION, - P9_TAUTH = 102, - P9_RAUTH, - P9_TATTACH = 104, - P9_RATTACH, - P9_TERROR = 106, - P9_RERROR, - P9_TFLUSH = 108, - P9_RFLUSH, - P9_TWALK = 110, - P9_RWALK, - P9_TOPEN = 112, - P9_ROPEN, - P9_TCREATE = 114, - P9_RCREATE, - P9_TREAD = 116, - P9_RREAD, - P9_TWRITE = 118, - P9_RWRITE, - P9_TCLUNK = 120, - P9_RCLUNK, - P9_TREMOVE = 122, - P9_RREMOVE, - P9_TSTAT = 124, - P9_RSTAT, - P9_TWSTAT = 126, - P9_RWSTAT, -}; - - -/* qid.types */ -enum { - P9_QTDIR = 0x80, - P9_QTAPPEND = 0x40, - P9_QTEXCL = 0x20, - P9_QTMOUNT = 0x10, - P9_QTAUTH = 0x08, - P9_QTTMP = 0x04, - P9_QTSYMLINK = 0x02, - P9_QTLINK = 0x01, - P9_QTFILE = 0x00, -}; - -enum p9_proto_version { - V9FS_PROTO_2000U = 0x01, - V9FS_PROTO_2000L = 0x02, -}; - -#define P9_NOTAG (u16)(~0) -#define P9_NOFID (u32)(~0) -#define P9_MAXWELEM 16 - -#define FID_REFERENCED 0x1 -#define FID_NON_RECLAIMABLE 0x2 -static inline char *rpath(FsContext *ctx, const char *path) -{ - return g_strdup_printf("%s/%s", ctx->fs_root, path); -} - -/* - * ample room for Twrite/Rread header - * size[4] Tread/Twrite tag[2] fid[4] offset[8] count[4] - */ -#define P9_IOHDRSZ 24 - -typedef struct V9fsPDU V9fsPDU; -struct V9fsState; - -struct V9fsPDU -{ - uint32_t size; - uint16_t tag; - uint8_t id; - uint8_t cancelled; - CoQueue complete; - VirtQueueElement elem; - struct V9fsState *s; - QLIST_ENTRY(V9fsPDU) next; -}; - - -/* FIXME - * 1) change user needs to set groups and stuff - */ - -#define MAX_REQ 128 -#define MAX_TAG_LEN 32 - -#define BUG_ON(cond) assert(!(cond)) - -typedef struct V9fsFidState V9fsFidState; - -enum { - P9_FID_NONE = 0, - P9_FID_FILE, - P9_FID_DIR, - P9_FID_XATTR, -}; - -typedef struct V9fsConf -{ - /* tag name for the device */ - char *tag; - char *fsdev_id; -} V9fsConf; - -typedef struct V9fsXattr -{ - int64_t copied_len; - int64_t len; - void *value; - V9fsString name; - int flags; -} V9fsXattr; - -/* - * Filled by fs driver on open and other - * calls. - */ -union V9fsFidOpenState { - int fd; - DIR *dir; - V9fsXattr xattr; - /* - * private pointer for fs drivers, that - * have its own internal representation of - * open files. - */ - void *private; -}; - -struct V9fsFidState -{ - int fid_type; - int32_t fid; - V9fsPath path; - V9fsFidOpenState fs; - V9fsFidOpenState fs_reclaim; - int flags; - int open_flags; - uid_t uid; - int ref; - int clunked; - V9fsFidState *next; - V9fsFidState *rclm_lst; -}; - -typedef struct V9fsState -{ - VirtIODevice parent_obj; - VirtQueue *vq; - V9fsPDU pdus[MAX_REQ]; - QLIST_HEAD(, V9fsPDU) free_list; - QLIST_HEAD(, V9fsPDU) active_list; - V9fsFidState *fid_list; - FileOperations *ops; - FsContext ctx; - char *tag; - size_t config_size; - enum p9_proto_version proto_version; - int32_t msize; - /* - * lock ensuring atomic path update - * on rename. - */ - CoRwlock rename_lock; - int32_t root_fid; - Error *migration_blocker; - V9fsConf fsconf; -} V9fsState; - -/* 9p2000.L open flags */ -#define P9_DOTL_RDONLY 00000000 -#define P9_DOTL_WRONLY 00000001 -#define P9_DOTL_RDWR 00000002 -#define P9_DOTL_NOACCESS 00000003 -#define P9_DOTL_CREATE 00000100 -#define P9_DOTL_EXCL 00000200 -#define P9_DOTL_NOCTTY 00000400 -#define P9_DOTL_TRUNC 00001000 -#define P9_DOTL_APPEND 00002000 -#define P9_DOTL_NONBLOCK 00004000 -#define P9_DOTL_DSYNC 00010000 -#define P9_DOTL_FASYNC 00020000 -#define P9_DOTL_DIRECT 00040000 -#define P9_DOTL_LARGEFILE 00100000 -#define P9_DOTL_DIRECTORY 00200000 -#define P9_DOTL_NOFOLLOW 00400000 -#define P9_DOTL_NOATIME 01000000 -#define P9_DOTL_CLOEXEC 02000000 -#define P9_DOTL_SYNC 04000000 - -/* 9p2000.L at flags */ -#define P9_DOTL_AT_REMOVEDIR 0x200 - -/* 9P2000.L lock type */ -#define P9_LOCK_TYPE_RDLCK 0 -#define P9_LOCK_TYPE_WRLCK 1 -#define P9_LOCK_TYPE_UNLCK 2 - -#define P9_LOCK_SUCCESS 0 -#define P9_LOCK_BLOCKED 1 -#define P9_LOCK_ERROR 2 -#define P9_LOCK_GRACE 3 - -#define P9_LOCK_FLAGS_BLOCK 1 -#define P9_LOCK_FLAGS_RECLAIM 2 - -typedef struct V9fsFlock -{ - uint8_t type; - uint32_t flags; - uint64_t start; /* absolute offset */ - uint64_t length; - uint32_t proc_id; - V9fsString client_id; -} V9fsFlock; - -typedef struct V9fsGetlock -{ - uint8_t type; - uint64_t start; /* absolute offset */ - uint64_t length; - uint32_t proc_id; - V9fsString client_id; -} V9fsGetlock; - -extern int open_fd_hw; -extern int total_open_fd; - -static inline void v9fs_path_write_lock(V9fsState *s) -{ - if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { - qemu_co_rwlock_wrlock(&s->rename_lock); - } -} - -static inline void v9fs_path_read_lock(V9fsState *s) -{ - if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { - qemu_co_rwlock_rdlock(&s->rename_lock); - } -} - -static inline void v9fs_path_unlock(V9fsState *s) -{ - if (s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT) { - qemu_co_rwlock_unlock(&s->rename_lock); - } -} - -static inline uint8_t v9fs_request_cancelled(V9fsPDU *pdu) -{ - return pdu->cancelled; -} +#include "9p.h" extern void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq); -extern void v9fs_reclaim_fd(V9fsPDU *pdu); -extern void v9fs_path_init(V9fsPath *path); -extern void v9fs_path_free(V9fsPath *path); -extern void v9fs_path_copy(V9fsPath *lhs, V9fsPath *rhs); -extern int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath, - const char *name, V9fsPath *path); - -ssize_t pdu_marshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...); -ssize_t pdu_unmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, ...); - ssize_t virtio_pdu_vmarshal(V9fsPDU *pdu, size_t offset, const char *fmt, va_list ap); ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
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