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/*
* Copyright (c) 2008-2010, 2012, 2013 Wind River Systems; see
* guts/COPYRIGHT for information.
*
* SPDX-License-Identifier: LGPL-2.1-only
*
* static int
* wrap_fchown(int fd, uid_t owner, gid_t group) {
* int rc = -1;
*/
pseudo_msg_t *msg;
PSEUDO_STATBUF buf;
int save_errno = errno;
if (base_fstat(fd, &buf) == -1) {
save_errno = errno;
pseudo_debug(PDBGF_CONSISTENCY, "fchown failing because fstat failed: %s\n",
strerror(errno));
errno = save_errno;
return -1;
}
if (owner == (uid_t) -1 || group == (gid_t) -1) {
msg = pseudo_client_op(OP_STAT, 0, fd, -1, NULL, &buf);
/* copy in any existing values... */
if (msg && msg->result == RESULT_SUCCEED) {
pseudo_stat_msg(&buf, msg);
} else {
pseudo_debug(PDBGF_FILE, "fchown fd %d, ino %llu, unknown file.\n",
fd, (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_debug(PDBGF_OP, "fchown, fd %d: %d:%d -> %d:%d\n",
fd, owner, group, buf.st_uid, buf.st_gid);
pseudo_client_op(OP_FCHOWN, 0, fd, -1, 0, &buf);
/* pretend we worked, errno should be unchanged */
errno = save_errno;
rc = 0;
/* return rc;
* }
*/
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