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 [-delmsvz] [-help] [-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)
93 struct kinfo_proc *procs, *newprocs;
113 char thiscmd[MAXCOMLEN + 1];
118 const char *const *p;
129 setlocale(LC_ALL, "");
135 if (strcmp(*av, "-l") == 0) {
139 if (strcmp(*av, "-help") == 0)
152 errx(1, "must specify jail");
153 jid = jail_getid(*av);
155 errx(1, "%s", jail_errmsg);
156 if (jail_attach(jid) == -1)
157 err(1, "jail_attach(%d)", jid);
166 errx(1, "must specify user");
176 errx(1, "must specify tty");
186 errx(1, "must specify procname");
208 if (isalpha((unsigned char)**av)) {
209 if (strncasecmp(*av, "SIG", 3) == 0)
211 for (sig = NSIG, p = sys_signame + 1;
213 if (strcasecmp(*p, *av) == 0) {
214 sig = p - sys_signame;
219 } else if (isdigit((unsigned char)**av)) {
220 sig = strtol(*av, &ep, 10);
222 errx(1, "illegal signal number: %s", *av);
223 if (sig < 0 || sig >= NSIG)
235 if (user == NULL && tty == NULL && cmd == NULL && !jflag && ac == 0)
239 if (strncmp(tty, "/dev/", 5) == 0)
240 snprintf(buf, sizeof(buf), "%s", tty);
241 else if (strncmp(tty, "tty", 3) == 0)
242 snprintf(buf, sizeof(buf), "/dev/%s", tty);
244 snprintf(buf, sizeof(buf), "/dev/tty%s", tty);
245 if (stat(buf, &sb) < 0)
246 err(1, "stat(%s)", buf);
247 if (!S_ISCHR(sb.st_mode))
248 errx(1, "%s: not a character device", buf);
251 printf("ttydev:0x%x\n", tdev);
254 uid = strtol(user, &ep, 10);
255 if (*user == '\0' || *ep != '\0') { /* was it a number? */
258 errx(1, "user %s does not exist", user);
261 printf("uid:%d\n", uid);
270 printf("uid:%d\n", uid);
278 mib[2] = eflag ? KERN_PROC_UID : KERN_PROC_RUID;
282 mib[2] = KERN_PROC_TTY;
286 mib[2] = KERN_PROC_PROC;
292 st = sysctl(mib, miblen, NULL, &size, NULL, 0);
295 newprocs = realloc(procs, size);
296 if (newprocs == NULL) {
298 err(1, "could not reallocate memory");
301 st = sysctl(mib, miblen, procs, &size, NULL, 0);
302 } while (st == -1 && errno == ENOMEM);
304 err(1, "could not sysctl(KERN_PROC)");
305 if (size % sizeof(struct kinfo_proc) != 0) {
306 fprintf(stderr, "proc size mismatch (%zu total, %zu chunks)\n",
307 size, sizeof(struct kinfo_proc));
308 fprintf(stderr, "userland out of sync with kernel\n");
311 nprocs = size / sizeof(struct kinfo_proc);
313 printf("nprocs %d\n", nprocs);
316 for (i = 0; i < nprocs; i++) {
317 if (procs[i].ki_stat == SZOMB && !zflag)
319 thispid = procs[i].ki_pid;
320 strlcpy(thiscmd, procs[i].ki_comm, sizeof(thiscmd));
321 thistdev = procs[i].ki_tdev;
323 thisuid = procs[i].ki_uid; /* effective uid */
325 thisuid = procs[i].ki_ruid; /* real uid */
327 if (thispid == mypid)
335 if (thistdev != tdev)
340 if (regcomp(&rgx, cmd,
341 REG_EXTENDED|REG_NOSUB) != 0) {
343 warnx("%s: illegal regexp", cmd);
348 pmatch.rm_eo = strlen(thiscmd);
349 if (regexec(&rgx, thiscmd, 0, &pmatch,
354 if (strncmp(thiscmd, cmd, MAXCOMLEN) != 0)
358 if (jflag && thispid == getpid())
364 for (j = 0; j < ac; j++) {
366 if (regcomp(&rgx, av[j],
367 REG_EXTENDED|REG_NOSUB) != 0) {
369 warnx("%s: illegal regexp", av[j]);
374 pmatch.rm_eo = strlen(thiscmd);
375 if (regexec(&rgx, thiscmd, 0, &pmatch,
380 if (strcmp(thiscmd, av[j]) == 0)
389 printf("sig:%d, cmd:%s, pid:%d, dev:0x%x uid:%d\n", sig,
390 thiscmd, thispid, thistdev, thisuid);
393 printf("kill -%s %d\n", sys_signame[sig], thispid);
396 if (!dflag && !sflag) {
397 if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
398 warn("warning: kill -%s %d",
399 sys_signame[sig], thispid);
405 fprintf(stderr, "No matching processes %swere found\n",
406 getuid() != 0 ? "belonging to you " : "");