1 /*
2 * 9p utilities
3 *
4 * Copyright IBM, Corp. 2017
5 *
6 * Authors:
7 * Greg Kurz <groug@kaod.org>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
11 */
12
13 #include "qemu/osdep.h"
14 #include "qemu/xattr.h"
15 #include "9p-util.h"
16
fgetxattrat_nofollow(int dirfd,const char * filename,const char * name,void * value,size_t size)17 ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name,
18 void *value, size_t size)
19 {
20 char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
21 int ret;
22
23 ret = lgetxattr(proc_path, name, value, size);
24 g_free(proc_path);
25 return ret;
26 }
27
flistxattrat_nofollow(int dirfd,const char * filename,char * list,size_t size)28 ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
29 char *list, size_t size)
30 {
31 char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
32 int ret;
33
34 ret = llistxattr(proc_path, list, size);
35 g_free(proc_path);
36 return ret;
37 }
38
fremovexattrat_nofollow(int dirfd,const char * filename,const char * name)39 ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
40 const char *name)
41 {
42 char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
43 int ret;
44
45 ret = lremovexattr(proc_path, name);
46 g_free(proc_path);
47 return ret;
48 }
49
fsetxattrat_nofollow(int dirfd,const char * filename,const char * name,void * value,size_t size,int flags)50 int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name,
51 void *value, size_t size, int flags)
52 {
53 char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
54 int ret;
55
56 ret = lsetxattr(proc_path, name, value, size, flags);
57 g_free(proc_path);
58 return ret;
59 }
60