3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause
24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
72 /* Ignore system-processes (if '-S' flag is not specified) and myself. */
73 #define	PSKIP(kp)	((kp)->ki_pid == mypid ||			\
74 			 (!kthreads && ((kp)->ki_flag & P_KPROC) != 0))
156 		if (argc > 1 && p[0] == '-') {  in main()
162 				argc--;  in main()
172 					argc--;  in main()
188 	while ((ch = getopt(argc, argv, "DF:G:ILM:N:P:SU:ac:d:fg:ij:lnoqs:t:u:vx")) != -1)  in main()
228 		case 'a':  in main()
293 	argc -= optind;  in main()
300 		errx(STATUS_ERROR, "Options -n and -o are mutually exclusive");  in main()
306 			    "Option -L doesn't make sense without -F");  in main()
308 		pidfromfile = -1;  in main()
314 	 * If we're not matching args, we only need a buffer large enough to  in main()
323 		if (arg_max == -1)  in main()
327 		 * The absolute worst case scenario is ARG_MAX single-byte  in main()
383 					kp->ki_pid, kp->ki_uid, kp->ki_comm);  in main()
392 					    bufsz - jsz,  in main()
399 				mstr = kp->ki_comm;  in main()
421 				    kp->ki_pid, kp->ki_uid, mstr);  in main()
432 		if (pidfromfile >= 0 && kp->ki_pid != pidfromfile) {  in main()
438 			if (kp->ki_ruid == (uid_t)li->li_number)  in main()
446 			if (kp->ki_rgid == (gid_t)li->li_number)  in main()
454 			if (kp->ki_uid == (uid_t)li->li_number)  in main()
462 			if (kp->ki_ppid == (pid_t)li->li_number)  in main()
470 			if (kp->ki_pgid == (pid_t)li->li_number)  in main()
478 			if (li->li_number == -1 &&  in main()
479 			    (kp->ki_flag & P_CONTROLT) == 0)  in main()
481 			if (kp->ki_tdev == (dev_t)li->li_number)  in main()
490 			if (kp->ki_sid == (pid_t)li->li_number)  in main()
498 			/* A particular jail ID, including 0 (not in jail) */  in main()
499 			if (kp->ki_jid == (int)li->li_number)  in main()
502 			if (kp->ki_jid > 0 && li->li_number == -1)  in main()
514 			if ((kp->ki_flag & P_SYSTEM) == 0 &&  in main()
515 			    strcmp(kp->ki_loginclass, li->li_name) == 0)  in main()
533 				if (kp->ki_pid == pid) {  in main()
535 					pid = kp->ki_ppid;  in main()
543 					break;	/* Maybe we're in a jail ? */  in main()
551 		bestidx = -1;  in main()
556 			if (bestidx == -1) {  in main()
559 			} else if (timercmp(&kp->ki_start, &best_tval, >)) {  in main()
569 			best_tval.tv_sec = kp->ki_start.tv_sec;  in main()
570 			best_tval.tv_usec = kp->ki_start.tv_usec;  in main()
575 		if (bestidx != -1)  in main()
589 				printf("kill -%d %d\n", signum, kp->ki_pid);  in main()
613 		ustr = "[-LSfilnoqvx] [-d delim]";  in usage()
615 		ustr = "[-signal] [-ILfilnovx]";  in usage()
618 		"usage: %s %s [-F pidfile] [-G gid] [-M core] [-N system]\n"  in usage()
619 		"             [-P ppid] [-U uid] [-c class] [-g pgrp] [-j jail]\n"  in usage()
620 		"             [-s sid] [-t tty] [-u euid] pattern ...\n",  in usage()
637 		printf("%d ", (int)kp->ki_pid);  in show_process()
644 		printf("%d %s", (int)kp->ki_pid, kp->ki_comm);  in show_process()
646 		printf("%d", (int)kp->ki_pid);  in show_process()
668 	if (kill(kp->ki_pid, signum) == -1) {  in killact()
672 		 * signalling it; don't issue a warning about it.  in killact()
675 			warn("signalling pid %d", (int)kp->ki_pid);  in killact()
678 		 * considered a match, since we didn't actually get to  in killact()
724 			li->li_number = (uid_t)strtol(sp, &ep, 0);  in makelist()
729 				if (li->li_number == 0)  in makelist()
730 					li->li_number = getpgrp();  in makelist()
733 				if (li->li_number == 0)  in makelist()
734 					li->li_number = getsid(mypid);  in makelist()
737 				if (li->li_number < 0)  in makelist()
740 				/* For compatibility with old -j */  in makelist()
741 				if (li->li_number == 0)  in makelist()
742 					li->li_number = -1;	/* any jail */  in makelist()
745 				if (li->li_number < 0)  in makelist()
750 				if (stat(buf, &st) != -1)  in makelist()
768 			li->li_number = pw->pw_uid;  in makelist()
773 			li->li_number = gr->gr_gid;  in makelist()
776 			if (strcmp(sp, "-") == 0) {  in makelist()
777 				li->li_number = -1;  in makelist()
786 			if (stat(buf, &st) != -1)  in makelist()
790 			if (stat(buf, &st) != -1)  in makelist()
798 				errx(STATUS_BADUSAGE, "Not a tty: `%s'", sp);  in makelist()
800 			li->li_number = st.st_rdev;  in makelist()
806 				li->li_number = 0;  in makelist()
808 				li->li_number = -1;  in makelist()
809 			else if ((jid = jail_getid(sp)) != -1)  in makelist()
810 				li->li_number = jid;  in makelist()
817 			li->li_number = -1;  in makelist()
818 			li->li_name = strdup(sp);  in makelist()
819 			if (li->li_name == NULL)  in makelist()