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/*
* Copyright (c) 2008-2010, 2012, 2013 Wind River Systems; see
* guts/COPYRIGHT for information.
*
* static int
* wrap_fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) {
* int rc = -1;
*/
pseudo_msg_t *msg;
PSEUDO_STATBUF buf;
int save_errno = 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 = base_lstat(path, &buf);
} else {
rc = base_stat(path, &buf);
}
#else
rc = base_fstatat(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;
if (owner == (uid_t) -1 || group == (gid_t) -1) {
msg = pseudo_client_op(OP_STAT, 0, -1, -1, path, &buf);
/* copy in any existing values... */
if (msg && msg->result == RESULT_SUCCEED) {
pseudo_stat_msg(&buf, msg);
} else {
pseudo_debug(PDBGF_FILE, "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 != (uid_t) -1) {
buf.st_uid = owner;
}
if (group != (gid_t) -1) {
buf.st_gid = group;
}
pseudo_client_op(OP_CHOWN, 0, -1, dirfd, path, &buf);
/* just pretend we worked */
errno = save_errno;
rc = 0;
/* return rc;
* }
*/
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