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home:Alexander_Naumov:SLE-12:Update
qemu-linux-user.7445
0366-9pfs-local-move-xattr-security-ops-.patch
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File 0366-9pfs-local-move-xattr-security-ops-.patch of Package qemu-linux-user.7445
From aef2b9ec99ec27c7b4bc0f5ae904f58afd5b270a Mon Sep 17 00:00:00 2001 From: Greg Kurz <groug@kaod.org> Date: Sun, 26 Feb 2017 23:41:40 +0100 Subject: [PATCH] 9pfs: local: move xattr security ops to 9p-xattr.c These functions are always called indirectly. It really doesn't make sense for them to sit in a header file. Signed-off-by: Greg Kurz <groug@kaod.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> (cherry picked from commit 56fc494bdcba35d74da27e1d34dbb6db6fa7bd67) [BR: Fix and/or infrastructure for BSC#1020427 CVE-2016-9602] Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/9pfs/9p-xattr.c | 61 +++++++++++++++++++++++++++++++++++++++++ hw/9pfs/9p-xattr.h | 80 ++++++++++-------------------------------------------- 2 files changed, 75 insertions(+), 66 deletions(-) diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c index 741dd03744..f593e1aca5 100644 --- a/hw/9pfs/9p-xattr.c +++ b/hw/9pfs/9p-xattr.c @@ -142,6 +142,67 @@ int v9fs_remove_xattr(FsContext *ctx, } +ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size) +{ + char *buffer; + ssize_t ret; + + buffer = rpath(ctx, path); + ret = lgetxattr(buffer, name, value, size); + g_free(buffer); + return ret; +} + +int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value, + size_t size, int flags) +{ + char *buffer; + int ret; + + buffer = rpath(ctx, path); + ret = lsetxattr(buffer, name, value, size, flags); + g_free(buffer); + return ret; +} + +int pt_removexattr(FsContext *ctx, const char *path, const char *name) +{ + char *buffer; + int ret; + + buffer = rpath(ctx, path); + ret = lremovexattr(path, name); + g_free(buffer); + return ret; +} + +ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size) +{ + errno = ENOTSUP; + return -1; +} + +int notsup_setxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size, int flags) +{ + errno = ENOTSUP; + return -1; +} + +ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name, + void *value, size_t size) +{ + return 0; +} + +int notsup_removexattr(FsContext *ctx, const char *path, const char *name) +{ + errno = ENOTSUP; + return -1; +} + XattrOperations *mapped_xattr_ops[] = { &mapped_user_xattr, &mapped_pacl_xattr, diff --git a/hw/9pfs/9p-xattr.h b/hw/9pfs/9p-xattr.h index 4d39a20262..e3ee5fa91e 100644 --- a/hw/9pfs/9p-xattr.h +++ b/hw/9pfs/9p-xattr.h @@ -48,73 +48,21 @@ ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value, int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name, void *value, size_t size, int flags); int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name); + ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value, size_t size); - -static inline ssize_t pt_getxattr(FsContext *ctx, const char *path, - const char *name, void *value, size_t size) -{ - char *buffer; - ssize_t ret; - - buffer = rpath(ctx, path); - ret = lgetxattr(buffer, name, value, size); - g_free(buffer); - return ret; -} - -static inline int pt_setxattr(FsContext *ctx, const char *path, - const char *name, void *value, - size_t size, int flags) -{ - char *buffer; - int ret; - - buffer = rpath(ctx, path); - ret = lsetxattr(buffer, name, value, size, flags); - g_free(buffer); - return ret; -} - -static inline int pt_removexattr(FsContext *ctx, - const char *path, const char *name) -{ - char *buffer; - int ret; - - buffer = rpath(ctx, path); - ret = lremovexattr(path, name); - g_free(buffer); - return ret; -} - -static inline ssize_t notsup_getxattr(FsContext *ctx, const char *path, - const char *name, void *value, - size_t size) -{ - errno = ENOTSUP; - return -1; -} - -static inline int notsup_setxattr(FsContext *ctx, const char *path, - const char *name, void *value, - size_t size, int flags) -{ - errno = ENOTSUP; - return -1; -} - -static inline ssize_t notsup_listxattr(FsContext *ctx, const char *path, - char *name, void *value, size_t size) -{ - return 0; -} - -static inline int notsup_removexattr(FsContext *ctx, - const char *path, const char *name) -{ - errno = ENOTSUP; - return -1; -} +ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size); +int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value, + size_t size, int flags); +int pt_removexattr(FsContext *ctx, const char *path, const char *name); + +ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size); +int notsup_setxattr(FsContext *ctx, const char *path, const char *name, + void *value, size_t size, int flags); +ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name, + void *value, size_t size); +int notsup_removexattr(FsContext *ctx, const char *path, const char *name); #endif
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