2 * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
3 * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
27 * $FreeBSD: src/usr.bin/killall/killall.c,v 1.5.2.4 2001/05/19 19:22:49 phk Exp $
28 * $DragonFly: src/usr.bin/killall/killall.c,v 1.7 2004/09/14 00:33:53 drhodus Exp $
31 #include <sys/cdefs.h>
32 #include <sys/param.h>
35 #include <sys/sysctl.h>
55 fprintf(stderr, "usage: %s [-l] [-v] [-m] [-sig] [-u user] [-t tty] [-c cmd] [cmd]...\n", prog);
56 fprintf(stderr, "At least one option or argument to specify processes must be given.\n");
61 upper(const char *str)
66 strlcpy(buf, str, sizeof(buf));
67 for (s = buf; *s; s++)
68 *s = toupper((unsigned char)*s);
76 const char *const * p;
80 for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) {
81 offset += fprintf(fp, "%s ", upper(*p));
82 if (offset >= 75 && cnt > 1) {
94 warnx("unknown signal %s; valid signals:", name);
100 main(int ac, char **av)
102 struct kinfo_proc *procs = NULL, *newprocs;
120 char thiscmd[MAXCOMLEN + 1];
125 const char *const *p;
140 if (strcmp(*av, "-l") == 0) {
144 if (strcmp(*av, "-help") == 0)
186 if (isalpha((unsigned char)**av)) {
187 if (strncasecmp(*av, "sig", 3) == 0)
189 for (sig = NSIG, p = sys_signame + 1;
191 if (strcasecmp(*p, *av) == 0) {
192 sig = p - sys_signame;
197 } else if (isdigit((unsigned char)**av)) {
198 sig = strtol(*av, &ep, 10);
200 errx(1, "illegal signal number: %s", *av);
201 if (sig < 0 || sig >= NSIG)
213 if (user == NULL && tty == NULL && cmd == NULL && ac == 0)
217 if (strncmp(tty, "/dev/", 5) == 0)
218 snprintf(buf, sizeof(buf), "%s", tty);
219 else if (strncmp(tty, "tty", 3) == 0)
220 snprintf(buf, sizeof(buf), "/dev/%s", tty);
222 snprintf(buf, sizeof(buf), "/dev/tty%s", tty);
223 if (stat(buf, &sb) < 0)
224 err(1, "stat(%s)", buf);
225 if (!S_ISCHR(sb.st_mode))
226 errx(1, "%s: not a character device", buf);
229 printf("ttydev:0x%x\n", tdev);
234 errx(1, "user %s does not exist", user);
237 printf("uid:%d\n", uid);
245 printf("uid:%d\n", uid);
251 mib[2] = KERN_PROC_ALL;
255 if (user && mib[2] == KERN_PROC_ALL) {
256 mib[2] = KERN_PROC_RUID;
260 if (tty && mib[2] == KERN_PROC_ALL) {
261 mib[2] = KERN_PROC_TTY;
266 st = sysctl(mib, miblen, NULL, &size, NULL, 0);
269 newprocs = realloc(procs, size);
273 errx(1, "could not reallocate memory");
276 st = sysctl(mib, miblen, procs, &size, NULL, 0);
277 } while (st == -1 && errno == ENOMEM);
279 err(1, "could not sysctl(KERN_PROC)");
280 if (size % sizeof(struct kinfo_proc) != 0) {
281 fprintf(stderr, "proc size mismatch (%zu total, %zu chunks)\n",
282 size, sizeof(struct kinfo_proc));
283 fprintf(stderr, "userland out of sync with kernel, recompile libkvm etc\n");
286 nprocs = size / sizeof(struct kinfo_proc);
288 printf("nprocs %d\n", nprocs);
291 for (i = 0; i < nprocs; i++) {
292 thispid = procs[i].kp_proc.p_pid;
293 strncpy(thiscmd, procs[i].kp_thread.td_comm, MAXCOMLEN);
294 thiscmd[MAXCOMLEN] = '\0';
295 thistdev = procs[i].kp_eproc.e_tdev;
296 thisuid = procs[i].kp_eproc.e_ucred.cr_ruid; /* real uid */
298 if (thispid == mypid)
301 if ((int)procs[i].kp_proc.p_pid < 0)
308 if (thistdev != tdev)
313 if (regcomp(&rgx, cmd,
314 REG_EXTENDED|REG_NOSUB) != 0) {
316 warnx("%s: illegal regexp", cmd);
321 pmatch.rm_eo = strlen(thiscmd);
322 if (regexec(&rgx, thiscmd, 0, &pmatch,
327 if (strcmp(thiscmd, cmd) != 0)
334 for (j = 0; j < ac; j++) {
336 if (regcomp(&rgx, av[j],
337 REG_EXTENDED|REG_NOSUB) != 0) {
339 warnx("%s: illegal regexp", av[j]);
344 pmatch.rm_eo = strlen(thiscmd);
345 if (regexec(&rgx, thiscmd, 0, &pmatch,
350 if (strcmp(thiscmd, av[j]) == 0)
359 printf("sig:%d, cmd:%s, pid:%d, dev:0x%x uid:%d\n", sig,
360 thiscmd, thispid, thistdev, thisuid);
363 printf("kill -%s %d\n", upper(sys_signame[sig]),
367 if (!dflag && !sflag) {
368 if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
369 warn("kill -%s %d", upper(sys_signame[sig]),
375 if (!qflag && killed == 0) {
376 fprintf(stderr, "No matching processes %swere found\n",
377 getuid() != 0 ? "belonging to you " : "");