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path: root/hw/9pfs/9p-xattr.c
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Diffstat (limited to 'hw/9pfs/9p-xattr.c')
-rw-r--r--hw/9pfs/9p-xattr.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c
index a0167dd4d8..eec160b3c2 100644
--- a/hw/9pfs/9p-xattr.c
+++ b/hw/9pfs/9p-xattr.c
@@ -234,17 +234,43 @@ int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
return local_setxattr_nofollow(ctx, path, name, value, size, flags);
}
-int pt_removexattr(FsContext *ctx, const char *path, const char *name)
+static ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
+ const char *name)
{
- char *buffer;
+ char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
- buffer = rpath(ctx, path);
- ret = lremovexattr(path, name);
- g_free(buffer);
+ ret = lremovexattr(proc_path, name);
+ g_free(proc_path);
return ret;
}
+ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
+ const char *name)
+{
+ char *dirpath = g_path_get_dirname(path);
+ char *filename = g_path_get_basename(path);
+ int dirfd;
+ ssize_t ret = -1;
+
+ dirfd = local_opendir_nofollow(ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
+
+ ret = fremovexattrat_nofollow(dirfd, filename, name);
+ close_preserve_errno(dirfd);
+out:
+ g_free(dirpath);
+ g_free(filename);
+ return ret;
+}
+
+int pt_removexattr(FsContext *ctx, const char *path, const char *name)
+{
+ return local_removexattr_nofollow(ctx, path, name);
+}
+
ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size)
{