linux-master/kernel/sys.c

66 #include <linux/cred.h>
189 	const struct cred *cred = current_cred(), *pcred = __task_cred(p);
191 	if (uid_eq(pcred->uid,  cred->euid) ||
192 	    uid_eq(pcred->euid, cred->euid))
231 	const struct cred *cred = current_cred();
268 		uid = make_kuid(cred->user_ns, who);
269 		user = cred->user;
271 			uid = cred->uid;
272 		else if (!uid_eq(uid, cred->uid)) {
281 		if (!uid_eq(uid, cred->uid))
301 	const struct cred *cred = current_cred();
336 		uid = make_kuid(cred->user_ns, who);
337 		user = cred->user;
339 			uid = cred->uid;
340 		else if (!uid_eq(uid, cred->uid)) {
352 		if (!uid_eq(uid, cred->uid))
384 	const struct cred *old;
385 	struct cred *new;
450 	const struct cred *old;
451 	struct cred *new;
491 static int set_user(struct cred *new)
504 static void flag_nproc_exceeded(struct cred *new)
541 	const struct cred *old;
542 	struct cred *new;
622 	const struct cred *old;
623 	struct cred *new;
679 	const struct cred *old;
680 	struct cred *new;
758 	const struct cred *cred = current_cred();
762 	ruid = from_kuid_munged(cred->user_ns, cred->uid);
763 	euid = from_kuid_munged(cred->user_ns, cred->euid);
764 	suid = from_kuid_munged(cred->user_ns, cred->suid);
781 	const struct cred *old;
782 	struct cred *new;
847 	const struct cred *cred = current_cred();
851 	rgid = from_kgid_munged(cred->user_ns, cred->gid);
852 	egid = from_kgid_munged(cred->user_ns, cred->egid);
853 	sgid = from_kgid_munged(cred->user_ns, cred->sgid);
874 	const struct cred *old;
875 	struct cred *new;
918 	const struct cred *old;
919 	struct cred *new;
1674 	const struct cred *cred = current_cred(), *tcred;
1681 	id_match = (uid_eq(cred->uid, tcred->euid) &&
1682 		    uid_eq(cred->uid, tcred->suid) &&
1683 		    uid_eq(cred->uid, tcred->uid)  &&
1684 		    gid_eq(cred->gid, tcred->egid) &&
1685 		    gid_eq(cred->gid, tcred->sgid) &&
1686 		    gid_eq(cred->gid, tcred->gid));
1690 	return security_task_prlimit(cred, tcred, flags);