sys/kern/kern_jail.c

547 	int fi, jid, jsys, len, level;
595 	error = vfs_copyopt(opts, "jid", &jid, sizeof(jid));
597 		jid = 0;
994 	if (cuflags == JAIL_CREATE && jid == 0 && name != NULL) {
996 		jid = strtoul(namelc != NULL ? namelc + 1 : name, &p, 10);
998 			jid = 0;
1000 	if (jid != 0) {
1002 		 * See if a requested jid already exists.  There is an
1003 		 * information leak here if the jid exists but is not within
1008 		if (jid < 0) {
1010 			vfs_opterror(opts, "negative jid");
1013 		pr = prison_find(jid);
1016 			/* Create: jid must not exist. */
1021 				    jid);
1032 					    jid);
1050 			/* Update: jid must exist. */
1053 				vfs_opterror(opts, "jail %d not found", jid);
1060 	 * This has different semantics for creates and updates keyed by jid
1122 						 * Create, or update(jid):
1152 			/* Update: name must exist if no jid. */
1161 	/* Update: must provide a jid or name. */
1188 		if (jid == 0) {
1189 			/* Find the next free jid. */
1190 			jid = lastprid + 1;
1192 			if (jid == JAIL_MAX)
1193 				jid = 1;
1195 				if (tpr->pr_id < jid)
1197 				if (tpr->pr_id > jid || tpr->pr_ref == 0) {
1201 				if (jid == lastprid) {
1210 				jid++;
1213 			lastprid = jid;
1216 			 * The jail already has a jid (that did not yet exist),
1220 				if (tpr->pr_id >= jid) {
1232 		pr->pr_id = jid;
1527 		/* Give a default name of the jid. */
1529 			snprintf(name = numbuf, sizeof(numbuf), "%d", jid);
1530 		else if (*namelc == '0' || (strtoul(namelc, &p, 10) != jid &&
1534 			    "name cannot be numeric (unless it is the jid)");
1923 	int error, errmsg_len, errmsg_pos, fi, i, jid, len, locked, pos;
1936 	 * Find the prison specified by one of: lastjid, jid, name.
1939 	error = vfs_copyopt(opts, "lastjid", &jid, sizeof(jid));
1942 			if (pr->pr_id > jid && prison_ischild(mypr, pr)) {
1953 		vfs_opterror(opts, "no jail after %d", jid);
1958 	error = vfs_copyopt(opts, "jid", &jid, sizeof(jid));
1960 		if (jid != 0) {
1961 			pr = prison_find_child(mypr, jid);
1967 					    jid);
1973 			vfs_opterror(opts, "jail %d not found", jid);
2011 	error = vfs_setopt(opts, "jid", &pr->pr_id, sizeof(pr->pr_id));
2196  *	int jid;
2210 	pr = prison_find_child(td->td_ucred->cr_prison, uap->jid);
2270 	    ("prison_remove_one removing a dead prison (jid=%d)", pr->pr_id));
2298  *	int jid;
2312 	pr = prison_find_child(td->td_ucred->cr_prison, uap->jid);
2613 	    ("Trying to hold dead prison (jid=%d).", pr->pr_id));
2632 	    ("Cannot add a process to a non-alive prison (jid=%d)", pr->pr_id));
2643 	    ("Trying to kill a process in a dead prison (jid=%d)", pr->pr_id));
4318 SYSCTL_JAIL_PARAM(, jid, CTLTYPE_INT | CTLFLAG_RDTUN, "I", "Jail ID");
4580 	db_printf(" jid             = %d\n", pr->pr_id);