[apple/shell_cmds.git] / killall / killall.c

/*-
 * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
 * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/usr.bin/killall/killall.c,v 1.15 2001/10/10 17:48:44 bde Exp $
 */

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/user.h>
#include <sys/sysctl.h>
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
#include <signal.h>
#include <regex.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <unistd.h>

static char	*prog;

static void 
usage(void)
{

	fprintf(stderr, "usage: %s [-l] [-v] [-m] [-sig] [-u user] [-t tty] [-c cmd] [cmd]...\n", prog);
	fprintf(stderr, "At least one option or argument to specify processes must be given.\n");
	exit(1);
}

static char *
upper(const char *str)
{
	static char buf[80];
	char *s;

	strncpy(buf, str, sizeof(buf));
	buf[sizeof(buf) - 1] = '\0';
	for (s = buf; *s; s++)
		*s = toupper(*s);
	return buf;
}


static void
printsig(FILE *fp)
{
	const char	*const * p;
	int		cnt;
	int		offset = 0;

	for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) {
		offset += fprintf(fp, "%s ", upper(*p));
		if (offset >= 75 && cnt > 1) {
			offset = 0;
			fprintf(fp, "\n");
		}
	}
	fprintf(fp, "\n");
}

static void
nosig(char *name)
{

	warnx("unknown signal %s; valid signals:", name);
	printsig(stderr);
	exit(1);
}

int
main(int ac, char **av)
{
	struct kinfo_proc *procs = NULL, *newprocs;
	struct stat	sb;
	struct passwd	*pw;
	regex_t		rgx;
	regmatch_t	pmatch;
	int		i, j;
	char		buf[256];
	char		*user = NULL;
	char		*tty = NULL;
	char		*cmd = NULL;
	int		vflag = 0;
	int		sflag = 0;
	int		dflag = 0;
	int		mflag = 0;
	uid_t		uid = 0;
	dev_t		tdev = 0;
#ifdef OLD_STYLE
	char		thiscmd[MAXCOMLEN+1];
#else
	char		*thiscmd;
#endif
	pid_t		thispid;
	uid_t		thisuid;
	dev_t		thistdev;
	int		sig = SIGTERM;
	const char *const *p;
	char		*ep;
	int		errors = 0;
	int		mib[4];
	size_t		miblen;
	int		st, nprocs;
	size_t		size;
	int		matched;
	int		killed = 0;

	prog = av[0];
	av++;
	ac--;

	while (ac > 0) {
		if (strcmp(*av, "-l") == 0) {
			printsig(stdout);
			exit(0);
		}
		if (strcmp(*av, "-help") == 0)
			usage();
		if (**av == '-') {
			++*av;
			switch (**av) {
			case 'u':
				++*av;
				if (**av == '\0')
					++av;
				--ac;
				user = *av;
				break;
			case 't':
				++*av;
				if (**av == '\0')
					++av;
				--ac;
				tty = *av;
				break;
			case 'c':
				++*av;
				if (**av == '\0')
					++av;
				--ac;
				cmd = *av;
				break;
			case 'v':
				vflag++;
				break;
			case 's':
				sflag++;
				break;
			case 'd':
				dflag++;
				break;
			case 'm':
				mflag++;
				break;
			default:
				if (isalpha(**av)) {
					if (strncasecmp(*av, "sig", 3) == 0)
						*av += 3;
					for (sig = NSIG, p = sys_signame + 1;
					     --sig; ++p)
						if (strcasecmp(*p, *av) == 0) {
							sig = p - sys_signame;
							break;
						}
					if (!sig)
						nosig(*av);
				} else if (isdigit(**av)) {
					sig = strtol(*av, &ep, 10);
					if (!*av || *ep)
						errx(1, "illegal signal number: %s", *av);
					if (sig < 0 || sig > NSIG)
						nosig(*av);
				} else
					nosig(*av);
			}
			++av;
			--ac;
		} else {
			break;
		}
	}

	if (user == NULL && tty == NULL && cmd == NULL && ac == 0)
		usage();

	if (tty) {
		if (strncmp(tty, "/dev/", 5) == 0)
			snprintf(buf, sizeof(buf), "%s", tty);
		else if (strncmp(tty, "tty", 3) == 0)
			snprintf(buf, sizeof(buf), "/dev/%s", tty);
		else
			snprintf(buf, sizeof(buf), "/dev/tty%s", tty);
		if (stat(buf, &sb) < 0)
			err(1, "stat(%s)", buf);
		if (!S_ISCHR(sb.st_mode))
			errx(1, "%s: not a character device", buf);
		tdev = sb.st_rdev;
		if (dflag)
			printf("ttydev:0x%x\n", tdev);
	}
	if (user) {
		uid = strtol(user, &ep, 10);
		if ((ep - user) < strlen(user)) {
			pw = getpwnam(user);
			if (pw == NULL)
				errx(1, "user %s does not exist", user);
			uid = pw->pw_uid;
			if (dflag)
				printf("uid:%d\n", uid);
		}
	} else {
		uid = getuid();
		if (uid != 0) {
			pw = getpwuid(uid);
			if (pw)
				user = pw->pw_name;
			if (dflag)
				printf("uid:%d\n", uid);
		}
	}
	size = 0;
	mib[0] = CTL_KERN;
	mib[1] = KERN_PROC;
	mib[2] = KERN_PROC_ALL;
	mib[3] = 0;
	miblen = 3;

	if (user && mib[2] == KERN_PROC_ALL) {
		mib[2] = KERN_PROC_RUID;
		mib[3] = uid;
		miblen = 4;
	}
	if (tty && mib[2] == KERN_PROC_ALL) {
		mib[2] = KERN_PROC_TTY;
		mib[3] = tdev;
		miblen = 4;
	}

	st = sysctl(mib, miblen, NULL, &size, NULL, 0);
	do {
		size += size / 10;
		newprocs = realloc(procs, size);
		if (newprocs == 0) {
			if (procs)
				free(procs);
			errx(1, "could not reallocate memory");
		}
		procs = newprocs;
		st = sysctl(mib, miblen, procs, &size, NULL, 0);
	} while (st == -1 && errno == ENOMEM);
	if (st == -1)
		err(1, "could not sysctl(KERN_PROC)");
	if (size % sizeof(struct kinfo_proc) != 0) {
		fprintf(stderr, "proc size mismatch (%d total, %d chunks)\n",
			size, sizeof(struct kinfo_proc));
		fprintf(stderr, "userland out of sync with kernel, recompile libkvm etc\n");
		exit(1);
	}
	nprocs = size / sizeof(struct kinfo_proc);
	if (dflag)
		printf("nprocs %d\n", nprocs);

	for (i = 0; i < nprocs; i++) {
#ifndef OLD_STYLE
		int mib[3], argmax;
		size_t syssize;
		char *procargs, *cp;

		mib[0] = CTL_KERN;
		mib[1] = KERN_ARGMAX;

		syssize = sizeof(argmax);
		if (sysctl(mib, 2, &argmax, &syssize, NULL, 0) == -1) 
			continue;

		procargs = malloc(argmax);
		if (procargs == NULL)
			continue;

		mib[0] = CTL_KERN;
		mib[1] = KERN_PROCARGS;
		mib[2] = procs[i].kp_proc.p_pid;
		
		syssize = (size_t)argmax;
		if (sysctl(mib, 3, procargs, &syssize, NULL, 0) == -1) {
			free(procargs);
			continue;
		}

		for (cp = procargs; cp < &procargs[syssize]; cp++) {
			if (*cp == '\0') {
				break;
			}
		}
		if (cp == &procargs[syssize]) {
			free(procargs);
			continue;
		}

		for (; cp < &procargs[syssize]; cp++) {
			if (*cp != '\0') {
				break;
			}
		}

		if (cp == &procargs[syssize]) {
			free(procargs);
			continue;
		}

		/* Strip off any path that was specified */
		for (thiscmd = cp; (cp < &procargs[syssize]) && (*cp != '\0'); cp++) {
			if( *cp == '/' ) {
				thiscmd = cp+1;
			}
		}
#else
		thiscmd[MAXCOMLEN] = '\0';
#endif
		thispid = procs[i].kp_proc.p_pid;

		thistdev = procs[i].kp_eproc.e_tdev;
		thisuid = procs[i].kp_eproc.e_pcred.p_ruid;	/* real uid */

		matched = 1;
		if (user) {
			if (thisuid != uid)
				matched = 0;
		}
		if (tty) {
			if (thistdev != tdev)
				matched = 0;
		}
		if (cmd) {
			if (mflag) {
				if (regcomp(&rgx, cmd,
				    REG_EXTENDED|REG_NOSUB) != 0) {
					mflag = 0;
					warnx("%s: illegal regexp", cmd);
				}
			}
			if (mflag) {
				pmatch.rm_so = 0;
				pmatch.rm_eo = strlen(thiscmd);
				if (regexec(&rgx, thiscmd, 0, &pmatch,
				    REG_STARTEND) != 0)
					matched = 0;
				regfree(&rgx);
			} else {
				if (strncmp(thiscmd, cmd, MAXCOMLEN) != 0)
					matched = 0;
			}
		}
		if (matched == 0) {
#ifndef OLD_STYLE
			free(procargs);
#endif
			continue;
		}
		if (ac > 0)
			matched = 0;
		for (j = 0; j < ac; j++) {
			if (mflag) {
				if (regcomp(&rgx, av[j],
				    REG_EXTENDED|REG_NOSUB) != 0) {
					mflag = 0;
					warnx("%s: illegal regexp", av[j]);
				}
			}
			if (mflag) {
				pmatch.rm_so = 0;
				pmatch.rm_eo = strlen(thiscmd);
				if (regexec(&rgx, thiscmd, 0, &pmatch,
				    REG_STARTEND) == 0)
					matched = 1;
				regfree(&rgx);
			} else {
				if (strcmp(thiscmd, av[j]) == 0)
					matched = 1;
			}
			if (matched)
				break;
		}
		if (matched == 0) {
#ifndef OLD_STYLE
			free(procargs);
#endif
			continue;
		}
		if (dflag)
			printf("sig:%d, cmd:%s, pid:%d, dev:0x%x uid:%d\n", sig,
			    thiscmd, thispid, thistdev, thisuid);

		if (vflag || sflag)
			printf("kill -%s %d\n", upper(sys_signame[sig]),
			    thispid);

		killed++;
		if (!dflag && !sflag) {
			if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
				warn("kill -%s %d", upper(sys_signame[sig]),
				    thispid);
				errors = 1;
			}
		}
	}
	if (killed == 0) {
		fprintf(stderr, "No matching processes %swere found\n",
		    getuid() != 0 ? "belonging to you " : "");
		errors = 1;
	}
	exit(errors);
}
Commit	Line	Data
c0fcf4e1 A	1	/*-
	2	* Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
	3	* Copyright (c) 2000 Paul Saab <ps@FreeBSD.org>
	4	* All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	*
	15	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	16	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	17	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	18	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	19	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	20	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	21	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	22	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	23	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	24	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	25	* SUCH DAMAGE.
	26	*
	27	* $FreeBSD: src/usr.bin/killall/killall.c,v 1.15 2001/10/10 17:48:44 bde Exp $
	28	*/
	29
	30	#include <sys/cdefs.h>
	31	#include <sys/param.h>
	32	#include <sys/stat.h>
	33	#include <sys/user.h>
	34	#include <sys/sysctl.h>
	35	#include <fcntl.h>
	36	#include <dirent.h>
	37	#include <stdio.h>
	38	#include <stdlib.h>
	39	#include <string.h>
	40	#include <pwd.h>
	41	#include <signal.h>
	42	#include <regex.h>
	43	#include <ctype.h>
	44	#include <err.h>
	45	#include <errno.h>
	46	#include <unistd.h>
	47
	48	static char *prog;
	49
	50	static void
	51	usage(void)
	52	{
	53
	54	fprintf(stderr, "usage: %s [-l] [-v] [-m] [-sig] [-u user] [-t tty] [-c cmd] [cmd]...\n", prog);
	55	fprintf(stderr, "At least one option or argument to specify processes must be given.\n");
	56	exit(1);
	57	}
	58
	59	static char *
	60	upper(const char *str)
	61	{
	62	static char buf[80];
	63	char *s;
	64
65	strncpy(buf, str, sizeof(buf));
66	buf[sizeof(buf) - 1] = '\0';
67	for (s = buf; *s; s++)
68	s = toupper(s);
69	return buf;
70	}
71
72
73	static void
74	printsig(FILE *fp)
75	{
76	const char const p;
77	int cnt;
78	int offset = 0;
79
80	for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) {
81	offset += fprintf(fp, "%s ", upper(*p));
82	if (offset >= 75 && cnt > 1) {
83	offset = 0;
84	fprintf(fp, "\n");
85	}
86	}
87	fprintf(fp, "\n");
88	}
89
90	static void
91	nosig(char *name)
92	{
93
94	warnx("unknown signal %s; valid signals:", name);
95	printsig(stderr);
96	exit(1);
97	}
98
99	int
100	main(int ac, char **av)
101	{
102	struct kinfo_proc procs = NULL, newprocs;
103	struct stat sb;
104	struct passwd *pw;
105	regex_t rgx;
106	regmatch_t pmatch;
107	int i, j;
108	char buf[256];
109	char *user = NULL;
110	char *tty = NULL;
111	char *cmd = NULL;
112	int vflag = 0;
113	int sflag = 0;
114	int dflag = 0;
115	int mflag = 0;
116	uid_t uid = 0;
117	dev_t tdev = 0;
9bafe280 A	118	#ifdef OLD_STYLE
	119	char thiscmd[MAXCOMLEN+1];
	120	#else
	121	char *thiscmd;
	122	#endif
c0fcf4e1 A	123	pid_t thispid;
	124	uid_t thisuid;
	125	dev_t thistdev;
	126	int sig = SIGTERM;
	127	const char const p;
	128	char *ep;
	129	int errors = 0;
	130	int mib[4];
	131	size_t miblen;
	132	int st, nprocs;
	133	size_t size;
	134	int matched;
	135	int killed = 0;
	136
	137	prog = av[0];
	138	av++;
	139	ac--;
	140
	141	while (ac > 0) {
	142	if (strcmp(*av, "-l") == 0) {
	143	printsig(stdout);
	144	exit(0);
	145	}
	146	if (strcmp(*av, "-help") == 0)
	147	usage();
	148	if (**av == '-') {
	149	++*av;
	150	switch (**av) {
	151	case 'u':
	152	++*av;
	153	if (**av == '\0')
	154	++av;
	155	--ac;
	156	user = *av;
	157	break;
	158	case 't':
	159	++*av;
	160	if (**av == '\0')
	161	++av;
	162	--ac;
	163	tty = *av;
	164	break;
	165	case 'c':
	166	++*av;
	167	if (**av == '\0')
	168	++av;
	169	--ac;
	170	cmd = *av;
	171	break;
	172	case 'v':
	173	vflag++;
	174	break;
	175	case 's':
	176	sflag++;
	177	break;
	178	case 'd':
	179	dflag++;
	180	break;
	181	case 'm':
	182	mflag++;
	183	break;
	184	default:
	185	if (isalpha(**av)) {
	186	if (strncasecmp(*av, "sig", 3) == 0)
187	*av += 3;
188	for (sig = NSIG, p = sys_signame + 1;
189	--sig; ++p)
190	if (strcasecmp(p, av) == 0) {
191	sig = p - sys_signame;
192	break;
193	}
194	if (!sig)
195	nosig(*av);
196	} else if (isdigit(**av)) {
197	sig = strtol(*av, &ep, 10);
198	if (!av \|\| ep)
199	errx(1, "illegal signal number: %s", *av);
200	if (sig < 0 \|\| sig > NSIG)
201	nosig(*av);
202	} else
203	nosig(*av);
204	}
205	++av;
206	--ac;
207	} else {
208	break;
209	}
210	}
211
212	if (user == NULL && tty == NULL && cmd == NULL && ac == 0)
213	usage();
214
215	if (tty) {
216	if (strncmp(tty, "/dev/", 5) == 0)
217	snprintf(buf, sizeof(buf), "%s", tty);
218	else if (strncmp(tty, "tty", 3) == 0)
219	snprintf(buf, sizeof(buf), "/dev/%s", tty);
220	else
221	snprintf(buf, sizeof(buf), "/dev/tty%s", tty);
222	if (stat(buf, &sb) < 0)
223	err(1, "stat(%s)", buf);
224	if (!S_ISCHR(sb.st_mode))
225	errx(1, "%s: not a character device", buf);
226	tdev = sb.st_rdev;
227	if (dflag)
228	printf("ttydev:0x%x\n", tdev);
229	}
230	if (user) {
231	uid = strtol(user, &ep, 10);
232	if ((ep - user) < strlen(user)) {
233	pw = getpwnam(user);
234	if (pw == NULL)
235	errx(1, "user %s does not exist", user);
236	uid = pw->pw_uid;
237	if (dflag)
238	printf("uid:%d\n", uid);
239	}
240	} else {
241	uid = getuid();
242	if (uid != 0) {
243	pw = getpwuid(uid);
244	if (pw)
245	user = pw->pw_name;
246	if (dflag)
247	printf("uid:%d\n", uid);
248	}
249	}
250	size = 0;
251	mib[0] = CTL_KERN;
252	mib[1] = KERN_PROC;
253	mib[2] = KERN_PROC_ALL;
254	mib[3] = 0;
255	miblen = 3;
256
257	if (user && mib[2] == KERN_PROC_ALL) {
258	mib[2] = KERN_PROC_RUID;
259	mib[3] = uid;
260	miblen = 4;
261	}
262	if (tty && mib[2] == KERN_PROC_ALL) {
263	mib[2] = KERN_PROC_TTY;
264	mib[3] = tdev;
265	miblen = 4;
266	}
267
268	st = sysctl(mib, miblen, NULL, &size, NULL, 0);
269	do {
270	size += size / 10;
271	newprocs = realloc(procs, size);
272	if (newprocs == 0) {
273	if (procs)
274	free(procs);
275	errx(1, "could not reallocate memory");
276	}
277	procs = newprocs;
278	st = sysctl(mib, miblen, procs, &size, NULL, 0);
279	} while (st == -1 && errno == ENOMEM);
280	if (st == -1)
281	err(1, "could not sysctl(KERN_PROC)");
282	if (size % sizeof(struct kinfo_proc) != 0) {
283	fprintf(stderr, "proc size mismatch (%d total, %d chunks)\n",
284	size, sizeof(struct kinfo_proc));
285	fprintf(stderr, "userland out of sync with kernel, recompile libkvm etc\n");
286	exit(1);
287	}
288	nprocs = size / sizeof(struct kinfo_proc);
289	if (dflag)
290	printf("nprocs %d\n", nprocs);
291
292	for (i = 0; i < nprocs; i++) {
9bafe280 A	293	#ifndef OLD_STYLE
	294	int mib[3], argmax;
	295	size_t syssize;
	296	char procargs, cp;
	297
	298	mib[0] = CTL_KERN;
	299	mib[1] = KERN_ARGMAX;
	300
	301	syssize = sizeof(argmax);
	302	if (sysctl(mib, 2, &argmax, &syssize, NULL, 0) == -1)
	303	continue;
	304
	305	procargs = malloc(argmax);
	306	if (procargs == NULL)
	307	continue;
	308
	309	mib[0] = CTL_KERN;
	310	mib[1] = KERN_PROCARGS;
	311	mib[2] = procs[i].kp_proc.p_pid;
	312
	313	syssize = (size_t)argmax;
	314	if (sysctl(mib, 3, procargs, &syssize, NULL, 0) == -1) {
	315	free(procargs);
	316	continue;
	317	}
	318
	319	for (cp = procargs; cp < &procargs[syssize]; cp++) {
	320	if (*cp == '\0') {
	321	break;
	322	}
	323	}
	324	if (cp == &procargs[syssize]) {
	325	free(procargs);
	326	continue;
	327	}
	328
	329	for (; cp < &procargs[syssize]; cp++) {
	330	if (*cp != '\0') {
	331	break;
	332	}
	333	}
	334
	335	if (cp == &procargs[syssize]) {
	336	free(procargs);
	337	continue;
	338	}
	339
	340	/* Strip off any path that was specified */
	341	for (thiscmd = cp; (cp < &procargs[syssize]) && (*cp != '\0'); cp++) {
	342	if( *cp == '/' ) {
	343	thiscmd = cp+1;
	344	}
	345	}
	346	#else
c0fcf4e1	347	thiscmd[MAXCOMLEN] = '\0';
9bafe280 A	348	#endif
	349	thispid = procs[i].kp_proc.p_pid;
	350
c0fcf4e1 A	351	thistdev = procs[i].kp_eproc.e_tdev;
	352	thisuid = procs[i].kp_eproc.e_pcred.p_ruid; /* real uid */
	353
	354	matched = 1;
	355	if (user) {
	356	if (thisuid != uid)
	357	matched = 0;
	358	}
	359	if (tty) {
	360	if (thistdev != tdev)
	361	matched = 0;
	362	}
	363	if (cmd) {
	364	if (mflag) {
	365	if (regcomp(&rgx, cmd,
	366	REG_EXTENDED\|REG_NOSUB) != 0) {
	367	mflag = 0;
	368	warnx("%s: illegal regexp", cmd);
	369	}
	370	}
	371	if (mflag) {
	372	pmatch.rm_so = 0;
	373	pmatch.rm_eo = strlen(thiscmd);
	374	if (regexec(&rgx, thiscmd, 0, &pmatch,
	375	REG_STARTEND) != 0)
	376	matched = 0;
	377	regfree(&rgx);
	378	} else {
	379	if (strncmp(thiscmd, cmd, MAXCOMLEN) != 0)
	380	matched = 0;
	381	}
	382	}
9bafe280 A	383	if (matched == 0) {
	384	#ifndef OLD_STYLE
	385	free(procargs);
	386	#endif
c0fcf4e1	387	continue;
9bafe280	388	}
c0fcf4e1 A	389	if (ac > 0)
	390	matched = 0;
	391	for (j = 0; j < ac; j++) {
	392	if (mflag) {
	393	if (regcomp(&rgx, av[j],
	394	REG_EXTENDED\|REG_NOSUB) != 0) {
	395	mflag = 0;
	396	warnx("%s: illegal regexp", av[j]);
	397	}
	398	}
	399	if (mflag) {
	400	pmatch.rm_so = 0;
	401	pmatch.rm_eo = strlen(thiscmd);
	402	if (regexec(&rgx, thiscmd, 0, &pmatch,
	403	REG_STARTEND) == 0)
	404	matched = 1;
	405	regfree(&rgx);
	406	} else {
	407	if (strcmp(thiscmd, av[j]) == 0)
	408	matched = 1;
	409	}
	410	if (matched)
	411	break;
	412	}
9bafe280 A	413	if (matched == 0) {
	414	#ifndef OLD_STYLE
	415	free(procargs);
	416	#endif
c0fcf4e1	417	continue;
9bafe280	418	}
c0fcf4e1 A	419	if (dflag)
	420	printf("sig:%d, cmd:%s, pid:%d, dev:0x%x uid:%d\n", sig,
	421	thiscmd, thispid, thistdev, thisuid);
	422
	423	if (vflag \|\| sflag)
	424	printf("kill -%s %d\n", upper(sys_signame[sig]),
	425	thispid);
	426
	427	killed++;
	428	if (!dflag && !sflag) {
	429	if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
	430	warn("kill -%s %d", upper(sys_signame[sig]),
	431	thispid);
	432	errors = 1;
	433	}
	434	}
	435	}
	436	if (killed == 0) {
	437	fprintf(stderr, "No matching processes %swere found\n",
	438	getuid() != 0 ? "belonging to you " : "");
	439	errors = 1;
	440	}
	441	exit(errors);
	442	}