Cross Reference: /kernel/sys.c

Lines Matching defs:uid
121  * Returns true if current's euid is same as p's uid or euid,
130 	if (uid_eq(pcred->uid,  cred->euid) ||
173 	kuid_t uid;
206 		uid = make_kuid(cred->user_ns, who);
209 			uid = cred->uid;
210 		else if (!uid_eq(uid, cred->uid)) {
211 			user = find_user(uid);
216 			if (uid_eq(task_uid(p), uid))
219 		if (!uid_eq(uid, cred->uid))
243 	kuid_t uid;
274 		uid = make_kuid(cred->user_ns, who);
277 			uid = cred->uid;
278 		else if (!uid_eq(uid, cred->uid)) {
279 			user = find_user(uid);
284 			if (uid_eq(task_uid(p), uid)) {
290 		if (!uid_eq(uid, cred->uid))
415 	new_user = alloc_uid(new->uid);
421 	 * poorly written programs don't check set*uid() return code, assuming
423 	 * for programs doing set*uid()+execve() by harmlessly deferring the
438  * Unprivileged users may change the real uid to the effective uid
441  * If you set the real uid at all, or set the effective uid to a value not
442  * equal to the real uid, then the saved uid is set to the new effective uid.
475 		new->uid = kruid;
476 		if (!uid_eq(old->uid, kruid) &&
484 		if (!uid_eq(old->uid, keuid) &&
491 	if (!uid_eq(new->uid, old->uid)) {
497 	    (euid != (uid_t) -1 && !uid_eq(keuid, old->uid)))
516  * like sendmail, for example, cannot set its uid to be a normal
518  * the saved uid too.  If you don't like this, blame the bright people
521  * regain them by swapping the real and effective uid.
523 SYSCALL_DEFINE1(setuid, uid_t, uid)
531 	kuid = make_kuid(ns, uid);
542 		new->suid = new->uid = kuid;
543 		if (!uid_eq(kuid, old->uid)) {
548 	} else if (!uid_eq(kuid, old->uid) && !uid_eq(kuid, new->suid)) {
599 		if (ruid != (uid_t) -1        && !uid_eq(kruid, old->uid) &&
602 		if (euid != (uid_t) -1        && !uid_eq(keuid, old->uid) &&
605 		if (suid != (uid_t) -1        && !uid_eq(ksuid, old->uid) &&
611 		new->uid = kruid;
612 		if (!uid_eq(kruid, old->uid)) {
641 	ruid = from_kuid_munged(cred->user_ns, cred->uid);
731  * "setfsuid()" sets the fsuid - the uid used for filesystem checks. This
733  * whatever uid it wants to). It normally shadows "euid", except when
736 SYSCALL_DEFINE1(setfsuid, uid_t, uid)
746 	kuid = make_kuid(old->user_ns, uid);
754 	if (uid_eq(kuid, old->uid)  || uid_eq(kuid, old->euid)  ||
1423 	if (uid_eq(cred->uid, tcred->euid) &&
1424 	    uid_eq(cred->uid, tcred->suid) &&
1425 	    uid_eq(cred->uid, tcred->uid)  &&
1785 		if (!uid_eq(cred->uid, make_kuid(ns, 0)) ||