1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* static int
* wrap_fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) {
* int rc = -1;
*/
pseudo_msg_t *msg;
struct stat64 buf;
int save_errno;
int doing_link = 0;
#ifdef PSEUDO_NO_REAL_AT_FUNCTIONS
if (dirfd != AT_FDCWD) {
errno = ENOSYS;
return -1;
}
if (flags & AT_SYMLINK_NOFOLLOW) {
rc = real___lxstat64(_STAT_VER, path, &buf);
} else {
rc = real___xstat64(_STAT_VER, path, &buf);
}
#else
rc = real___fxstatat64(_STAT_VER, dirfd, path, &buf, flags);
#endif
if (rc == -1) {
return rc;
}
/* pseudo won't track the ownership, here */
if (S_ISLNK(buf.st_mode)) {
doing_link = 1;
}
save_errno = errno;
msg = pseudo_client_op(OP_STAT, flags, -1, -1, path, &buf);
/* copy in any existing values... */
if (msg) {
if (msg->result == RESULT_SUCCEED) {
pseudo_stat_msg(&buf, msg);
} else {
pseudo_debug(2, "chownat to %d:%d on %d/%s, ino %llu, new file.\n",
owner, group, dirfd, path,
(unsigned long long) buf.st_ino);
}
}
/* now override with arguments */
if (owner != -1) {
buf.st_uid = owner;
}
if (group != -1) {
buf.st_gid = group;
}
msg = pseudo_client_op(OP_CHOWN, flags, -1, dirfd, path, &buf);
if (!msg) {
errno = ENOSYS;
rc = -1;
} else if (msg->result != RESULT_SUCCEED) {
errno = msg->xerrno;
rc = -1;
} else {
rc = 0;
}
/* return rc;
* }
*/
|