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
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
36 #include <sys/sysctl.h>
56 fprintf(stderr, "usage: killall [-delmsqvz] [-help] [-I] [-j jail]\n");
58 " [-u user] [-t tty] [-c cmd] [-SIGNAL] [cmd]...\n");
59 fprintf(stderr, "At least one option or argument to specify processes must be given.\n");
67 const char *const * p;
71 for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) {
72 offset += fprintf(fp, "%s ", *p);
73 if (offset >= 75 && cnt > 1) {
85 warnx("unknown signal %s; valid signals:", name);
91 main(int ac, char **av)
94 struct kinfo_proc *procs, *newprocs;
117 char thiscmd[MAXCOMLEN + 1];
122 const char *const *p;
133 setlocale(LC_ALL, "");
139 if (strcmp(*av, "-l") == 0) {
143 if (strcmp(*av, "-help") == 0)
156 errx(1, "must specify jail");
157 jid = jail_getid(*av);
159 errx(1, "%s", jail_errmsg);
160 if (jail_attach(jid) == -1)
161 err(1, "jail_attach(%d)", jid);
170 errx(1, "must specify user");
180 errx(1, "must specify tty");
190 errx(1, "must specify procname");
216 if (isalpha((unsigned char)**av)) {
217 if (strncasecmp(*av, "SIG", 3) == 0)
219 for (sig = NSIG, p = sys_signame + 1;
221 if (strcasecmp(*p, *av) == 0) {
222 sig = p - sys_signame;
226 if (**saved_av == 'I') {
233 } else if (isdigit((unsigned char)**av)) {
234 sig = strtol(*av, &ep, 10);
236 errx(1, "illegal signal number: %s", *av);
237 if (sig < 0 || sig >= NSIG)
249 if (user == NULL && tty == NULL && cmd == NULL && !jflag && ac == 0)
253 if (strncmp(tty, "/dev/", 5) == 0)
254 snprintf(buf, sizeof(buf), "%s", tty);
255 else if (strncmp(tty, "tty", 3) == 0)
256 snprintf(buf, sizeof(buf), "/dev/%s", tty);
258 snprintf(buf, sizeof(buf), "/dev/tty%s", tty);
259 if (stat(buf, &sb) < 0)
260 err(1, "stat(%s)", buf);
261 if (!S_ISCHR(sb.st_mode))
262 errx(1, "%s: not a character device", buf);
265 printf("ttydev:0x%x\n", tdev);
268 uid = strtol(user, &ep, 10);
269 if (*user == '\0' || *ep != '\0') { /* was it a number? */
272 errx(1, "user %s does not exist", user);
275 printf("uid:%d\n", uid);
284 printf("uid:%d\n", uid);
292 mib[2] = eflag ? KERN_PROC_UID : KERN_PROC_RUID;
296 mib[2] = KERN_PROC_TTY;
300 mib[2] = KERN_PROC_PROC;
306 st = sysctl(mib, miblen, NULL, &size, NULL, 0);
309 newprocs = realloc(procs, size);
310 if (newprocs == NULL) {
312 err(1, "could not reallocate memory");
315 st = sysctl(mib, miblen, procs, &size, NULL, 0);
316 } while (st == -1 && errno == ENOMEM);
318 err(1, "could not sysctl(KERN_PROC)");
319 if (size % sizeof(struct kinfo_proc) != 0) {
320 fprintf(stderr, "proc size mismatch (%zu total, %zu chunks)\n",
321 size, sizeof(struct kinfo_proc));
322 fprintf(stderr, "userland out of sync with kernel\n");
325 nprocs = size / sizeof(struct kinfo_proc);
327 printf("nprocs %d\n", nprocs);
330 for (i = 0; i < nprocs; i++) {
331 if (procs[i].ki_stat == SZOMB && !zflag)
333 thispid = procs[i].ki_pid;
334 strlcpy(thiscmd, procs[i].ki_comm, sizeof(thiscmd));
335 thistdev = procs[i].ki_tdev;
337 thisuid = procs[i].ki_uid; /* effective uid */
339 thisuid = procs[i].ki_ruid; /* real uid */
341 if (thispid == mypid)
349 if (thistdev != tdev)
354 if (regcomp(&rgx, cmd,
355 REG_EXTENDED|REG_NOSUB) != 0) {
357 warnx("%s: illegal regexp", cmd);
362 pmatch.rm_eo = strlen(thiscmd);
363 if (regexec(&rgx, thiscmd, 0, &pmatch,
368 if (strncmp(thiscmd, cmd, MAXCOMLEN) != 0)
372 if (jflag && thispid == getpid())
378 for (j = 0; j < ac; j++) {
380 if (regcomp(&rgx, av[j],
381 REG_EXTENDED|REG_NOSUB) != 0) {
383 warnx("%s: illegal regexp", av[j]);
388 pmatch.rm_eo = strlen(thiscmd);
389 if (regexec(&rgx, thiscmd, 0, &pmatch,
394 if (strcmp(thiscmd, av[j]) == 0)
400 if (matched != 0 && Iflag) {
401 printf("Send signal %d to %s (pid %d uid %d)? ",
402 sig, thiscmd, thispid, thisuid);
404 first = ch = getchar();
405 while (ch != '\n' && ch != EOF)
407 if (first != 'y' && first != 'Y')
413 printf("sig:%d, cmd:%s, pid:%d, dev:0x%x uid:%d\n", sig,
414 thiscmd, thispid, thistdev, thisuid);
417 printf("kill -%s %d\n", sys_signame[sig], thispid);
420 if (!dflag && !sflag) {
421 if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
422 warn("warning: kill -%s %d",
423 sys_signame[sig], thispid);
430 fprintf(stderr, "No matching processes %swere found\n",
431 getuid() != 0 ? "belonging to you " : "");