sys/kern/kern_prot.c

949 	gid_t	rgid;
959 	gid_t egid, rgid;
963 	rgid = uap->rgid;
965 	AUDIT_ARG_RGID(rgid);
971 	error = mac_cred_check_setregid(oldcred, rgid, egid);
976 	if (((rgid != (gid_t)-1 && rgid != oldcred->cr_rgid &&
977 	    rgid != oldcred->cr_svgid) ||
987 	if (rgid != (gid_t)-1 && oldcred->cr_rgid != rgid) {
988 		change_rgid(newcred, rgid);
991 	if ((rgid != (gid_t)-1 || newcred->cr_groups[0] != newcred->cr_rgid) &&
1095  * setresgid(rgid, egid, sgid) is like setregid except control over the saved
1100 	gid_t	rgid;
1111 	gid_t egid, rgid, sgid;
1115 	rgid = uap->rgid;
1118 	AUDIT_ARG_RGID(rgid);
1125 	error = mac_cred_check_setresgid(oldcred, rgid, egid, sgid);
1130 	if (((rgid != (gid_t)-1 && rgid != oldcred->cr_rgid &&
1131 	      rgid != oldcred->cr_svgid &&
1132 	      rgid != oldcred->cr_groups[0]) ||
1146 	if (rgid != (gid_t)-1 && oldcred->cr_rgid != rgid) {
1147 		change_rgid(newcred, rgid);
1194 	gid_t	*rgid;
1207 	if (uap->rgid)
1209 		    uap->rgid, sizeof(cred->cr_rgid));
1703 	 * includes p's egid, group access list, rgid, and svgid.
2457 change_rgid(struct ucred *newcred, gid_t rgid)
2460 	newcred->cr_rgid = rgid;