sys/kern/kern_prot.c

475 	struct ucred *newcred, *oldcred;
482 	newcred = crget();
488 	oldcred = crcopysafe(p, newcred);
540 			change_ruid(newcred, uip);
551 			change_svuid(newcred, uid);
560 		change_euid(newcred, uip);
563 	proc_set_cred(p, newcred);
565 	racct_proc_ucred_changed(p, oldcred, newcred);
566 	crhold(newcred);
570 	rctl_proc_ucred_changed(p, newcred);
571 	crfree(newcred);
580 	crfree(newcred);
594 	struct ucred *newcred, *oldcred;
601 	newcred = crget();
607 	oldcred = crcopysafe(p, newcred);
624 		change_euid(newcred, euip);
627 	proc_set_cred(p, newcred);
636 	crfree(newcred);
650 	struct ucred *newcred, *oldcred;
656 	newcred = crget();
658 	oldcred = crcopysafe(p, newcred);
704 			change_rgid(newcred, gid);
715 			change_svgid(newcred, gid);
724 		change_egid(newcred, gid);
727 	proc_set_cred(p, newcred);
734 	crfree(newcred);
748 	struct ucred *newcred, *oldcred;
754 	newcred = crget();
756 	oldcred = crcopysafe(p, newcred);
770 		change_egid(newcred, egid);
773 	proc_set_cred(p, newcred);
780 	crfree(newcred);
821 	struct ucred *newcred, *oldcred;
826 	newcred = crget();
827 	crextend(newcred, ngrp);
829 	oldcred = crcopysafe(p, newcred);
848 		newcred->cr_ngroups = 1;
850 		crsetgroups_locked(newcred, ngrp, groups);
853 	proc_set_cred(p, newcred);
860 	crfree(newcred);
875 	struct ucred *newcred, *oldcred;
884 	newcred = crget();
888 	oldcred = crcopysafe(p, newcred);
904 		change_euid(newcred, euip);
908 		change_ruid(newcred, ruip);
911 	if ((ruid != (uid_t)-1 || newcred->cr_uid != newcred->cr_ruid) &&
912 	    newcred->cr_svuid != newcred->cr_uid) {
913 		change_svuid(newcred, newcred->cr_uid);
916 	proc_set_cred(p, newcred);
918 	racct_proc_ucred_changed(p, oldcred, newcred);
919 	crhold(newcred);
923 	rctl_proc_ucred_changed(p, newcred);
924 	crfree(newcred);
935 	crfree(newcred);
950 	struct ucred *newcred, *oldcred;
958 	newcred = crget();
960 	oldcred = crcopysafe(p, newcred);
976 		change_egid(newcred, egid);
980 		change_rgid(newcred, rgid);
983 	if ((rgid != (gid_t)-1 || newcred->cr_groups[0] != newcred->cr_rgid) &&
984 	    newcred->cr_svgid != newcred->cr_groups[0]) {
985 		change_svgid(newcred, newcred->cr_groups[0]);
988 	proc_set_cred(p, newcred);
995 	crfree(newcred);
1015 	struct ucred *newcred, *oldcred;
1026 	newcred = crget();
1030 	oldcred = crcopysafe(p, newcred);
1051 		change_euid(newcred, euip);
1055 		change_ruid(newcred, ruip);
1059 		change_svuid(newcred, suid);
1062 	proc_set_cred(p, newcred);
1064 	racct_proc_ucred_changed(p, oldcred, newcred);
1065 	crhold(newcred);
1069 	rctl_proc_ucred_changed(p, newcred);
1070 	crfree(newcred);
1081 	crfree(newcred);
1102 	struct ucred *newcred, *oldcred;
1112 	newcred = crget();
1114 	oldcred = crcopysafe(p, newcred);
1135 		change_egid(newcred, egid);
1139 		change_rgid(newcred, rgid);
1143 		change_svgid(newcred, sgid);
1146 	proc_set_cred(p, newcred);
1153 	crfree(newcred);
1947 proc_set_cred_init(struct proc *p, struct ucred *newcred)
1950 	p->p_ucred = newcred;
1959  * should not be visible just yet) or when newcred is NULL (as this can be
1964 proc_set_cred(struct proc *p, struct ucred *newcred)
1969 	if (newcred == NULL)
1975 	p->p_ucred = newcred;
1976 	if (newcred != NULL)
2168  * Side effects: newcred->cr_uid and newcred->cr_uidinfo will be modified.
2169  * References: newcred must be an exclusive credential reference for the
2173 change_euid(struct ucred *newcred, struct uidinfo *euip)
2176 	newcred->cr_uid = euip->ui_uid;
2178 	uifree(newcred->cr_uidinfo);
2179 	newcred->cr_uidinfo = euip;
2184  * Side effects: newcred->cr_gid will be modified.
2185  * References: newcred must be an exclusive credential reference for the
2189 change_egid(struct ucred *newcred, gid_t egid)
2192 	newcred->cr_groups[0] = egid;
2197  * Side effects: newcred->cr_ruid will be updated, newcred->cr_ruidinfo
2200  * References: newcred must be an exclusive credential reference for the
2204 change_ruid(struct ucred *newcred, struct uidinfo *ruip)
2207 	(void)chgproccnt(newcred->cr_ruidinfo, -1, 0);
2208 	newcred->cr_ruid = ruip->ui_uid;
2210 	uifree(newcred->cr_ruidinfo);
2211 	newcred->cr_ruidinfo = ruip;
2212 	(void)chgproccnt(newcred->cr_ruidinfo, 1, 0);
2217  * Side effects: newcred->cr_rgid will be updated.
2218  * References: newcred must be an exclusive credential reference for the
2222 change_rgid(struct ucred *newcred, gid_t rgid)
2225 	newcred->cr_rgid = rgid;
2230  * Side effects: newcred->cr_svuid will be updated.
2231  * References: newcred must be an exclusive credential reference for the
2235 change_svuid(struct ucred *newcred, uid_t svuid)
2238 	newcred->cr_svuid = svuid;
2243  * Side effects: newcred->cr_svgid will be updated.
2244  * References: newcred must be an exclusive credential reference for the
2248 change_svgid(struct ucred *newcred, gid_t svgid)
2251 	newcred->cr_svgid = svgid;