| 1 | /* |
| 2 | * 9p utilities (Linux Implementation) |
| 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 | /* |
| 14 | * Not so fast! You might want to read the 9p developer docs first: |
| 15 | * https://wiki.qemu.org/Documentation/9p |
| 16 | */ |
| 17 | |
| 18 | #include "qemu/osdep.h" |
| 19 | #include "qemu/xattr.h" |
| 20 | #include "9p-util.h" |
| 21 | |
| 22 | ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name, |
| 23 | void *value, size_t size) |
| 24 | { |
| 25 | char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename); |
| 26 | int ret; |
| 27 | |
| 28 | ret = lgetxattr(proc_path, name, value, size); |
| 29 | g_free(proc_path); |
| 30 | return ret; |
| 31 | } |
| 32 | |
| 33 | ssize_t flistxattrat_nofollow(int dirfd, const char *filename, |
| 34 | char *list, size_t size) |
| 35 | { |
| 36 | char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename); |
| 37 | int ret; |
| 38 | |
| 39 | ret = llistxattr(proc_path, list, size); |
| 40 | g_free(proc_path); |
| 41 | return ret; |
| 42 | } |
| 43 | |
| 44 | ssize_t fremovexattrat_nofollow(int dirfd, const char *filename, |
| 45 | const char *name) |
| 46 | { |
| 47 | char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename); |
| 48 | int ret; |
| 49 | |
| 50 | ret = lremovexattr(proc_path, name); |
| 51 | g_free(proc_path); |
| 52 | return ret; |
| 53 | } |
| 54 | |
| 55 | int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name, |
| 56 | void *value, size_t size, int flags) |
| 57 | { |
| 58 | char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename); |
| 59 | int ret; |
| 60 | |
| 61 | ret = lsetxattr(proc_path, name, value, size, flags); |
| 62 | g_free(proc_path); |
| 63 | return ret; |
| 64 | |
| 65 | } |
| 66 | |
| 67 | int qemu_mknodat(int dirfd, const char *filename, mode_t mode, dev_t dev) |
| 68 | { |
| 69 | return mknodat(dirfd, filename, mode, dev); |
| 70 | } |