/*
* kludge_signal_args - remove any signal option (-SIGXXX, -##) from the argv array.
*/
void
kludge_signal_args(int *argc, char **argv, int *sig)
{
int i;
int shift = 0;
int kludge = 1;
char *ptr;
const char *const *p;
char *ep;
/* i = 1, skip program name */
for (i = 1; i < *argc; i++) {
/* Stop kludging if we encounter -- */
if (strcmp(argv[i], "--") == 0)
kludge = 0;
ptr = argv[i] + 1;
/* Only process arguments that start with - and do not look like an existing option. */
if (kludge && *argv[i] == '-' && *ptr && strchr(OPTIONS, *ptr) == NULL) {
if (isalpha(*ptr)) {
if (strcmp(ptr, "help") == 0)
usage();
if (strncasecmp(ptr, "sig", 3) == 0)
ptr += 3;
for (*sig = NSIG, p = sys_signame + 1; --*sig; ++p)
if (strcasecmp(*p, ptr) == 0) {
*sig = p - sys_signame;
break;
}
if (!*sig)
nosig(ptr);
} else if (isdigit(*ptr)) {
*sig = strtol(ptr, &ep, 10);
if (*ep)
errx(1, "illegal signal number: %s", ptr);
if (*sig < 0 || *sig >= NSIG)
nosig(ptr);
} else
nosig(ptr);
shift++;
continue;
}
argv[i - shift] = argv[i];
}
for (i = *argc - shift; i < *argc; i++) {
argv[i] = NULL;
}
*argc -= shift;
}
int
main(int ac, char **av)
{
struct kinfo_proc *procs, *newprocs;
struct stat sb;
struct passwd *pw;
regex_t rgx;
regmatch_t pmatch;
int i, j, ch;
char buf[256];
char first;
char *user = NULL;
char *tty = NULL;
char *cmd = NULL;
int vflag = 0;
int sflag = 0;
int dflag = 0;
int eflag = 0;
int Iflag = 0;
int jflag = 0;
int mflag = 0;
int zflag = 0;
uid_t uid = 0;
dev_t tdev = 0;
pid_t mypid;
char thiscmd[MAXCOMLEN + 1];
pid_t thispid;
uid_t thisuid;
dev_t thistdev;
int sig = SIGTERM;
const char *const *p;
char *ep;
int errors = 0;
int jid;
int mib[4];
size_t miblen;
int st, nprocs;
size_t size;
int matched;
int killed = 0;
setlocale(LC_ALL, "");
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 'I':
Iflag = 1;
break;
case 'j':
++*av;
if (**av == '\0') {
++av;
--ac;
}
jflag++;
if (*av == NULL)
errx(1, "must specify jail");
jid = jail_getid(*av);
if (jid < 0)
errx(1, "%s", jail_errmsg);
if (jail_attach(jid) == -1)
err(1, "jail_attach(%d)", jid);
break;
case 'u':
++*av;
if (**av == '\0') {
++av;
--ac;
}
if (*av == NULL)
errx(1, "must specify user");
user = *av;
break;
case 't':
++*av;
if (**av == '\0') {
++av;
--ac;
}
if (*av == NULL)
errx(1, "must specify tty");
tty = *av;
break;
case 'c':
++*av;
if (**av == '\0') {
++av;
--ac;
}
if (*av == NULL)
errx(1, "must specify procname");
cmd = *av;
break;
case 'v':
vflag++;
break;
case 's':
sflag++;
break;
case 'd':
dflag++;
break;
case 'e':
eflag++;
break;
case 'm':
mflag++;
break;
case 'z':
zflag++;
break;
default:
if (isalpha((unsigned char)**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((unsigned char)**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 && !jflag && 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 (*user == '\0' || *ep != '\0') { /* was it a number? */
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;
if (user) {
mib[2] = eflag ? KERN_PROC_UID : KERN_PROC_RUID;
mib[3] = uid;
miblen = 4;
} else if (tty) {
mib[2] = KERN_PROC_TTY;
mib[3] = tdev;
miblen = 4;
} else {
mib[2] = KERN_PROC_PROC;
mib[3] = 0;
miblen = 3;
}
procs = NULL;
st = sysctl(mib, miblen, NULL, &size, NULL, 0);
do {
size += size / 10;
newprocs = realloc(procs, size);
if (newprocs == NULL) {
free(procs);
err(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 (%zu total, %zu chunks)\n",
size, sizeof(struct kinfo_proc));
fprintf(stderr, "userland out of sync with kernel\n");
exit(1);
}
nprocs = size / sizeof(struct kinfo_proc);
if (dflag)
printf("nprocs %d\n", nprocs);
mypid = getpid();
for (i = 0; i < nprocs; i++) {
if (procs[i].ki_stat == SZOMB && !zflag)
continue;
thispid = procs[i].ki_pid;
strlcpy(thiscmd, procs[i].ki_comm, sizeof(thiscmd));
thistdev = procs[i].ki_tdev;
if (eflag)
thisuid = procs[i].ki_uid; /* effective uid */
else
thisuid = procs[i].ki_ruid; /* real uid */
if (thispid == mypid)
continue;
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 (jflag && thispid == getpid())
matched = 0;
if (matched == 0)
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 && Iflag) {
printf("Send signal %d to %s (pid %d uid %d)? ",
sig, thiscmd, thispid, thisuid);
fflush(stdout);
first = ch = getchar();
while (ch != '\n' && ch != EOF)
ch = getchar();
if (first != 'y' && first != 'Y')
matched = 0;
}
if (matched == 0)
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", sys_signame[sig], thispid);
killed++;
if (!dflag && !sflag) {
if (kill(thispid, sig) < 0 /* && errno != ESRCH */ ) {
warn("warning: kill -%s %d",
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);
}
int main (int argc, char *argv[])
{
int errors, numsig, pid;
char *ep, *arg, *p;
int do_pid, do_kill, check_all;
int *pids, *ip;
progname = argv[0];
if ((p = strrchr(progname, '/')) != NULL)
progname = p+1;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
numsig = SIGTERM;
do_pid = (! strcmp (progname, "pid")); /* Yecch */
do_kill = 0;
check_all = 0;
/* loop through the arguments.
actually, -a is the only option can be used with other options.
`kill' is basically a one-option-at-most program. */
for (argc--, argv++; argc > 0; argc--, argv++) {
arg = *argv;
if (*arg != '-') {
break;
}
if (! strcmp (arg, "--")) {
argc--, argv++;
break;
}
if (! strcmp (arg, "-v") || ! strcmp (arg, "-V") ||
! strcmp (arg, "--version")) {
printf(_("%s from %s\n"), progname, PACKAGE_STRING);
return 0;
}
if (! strcmp (arg, "-a")) {
check_all++;
continue;
}
if (! strcmp (arg, "-l")) {
if (argc < 2) {
printsignals (stdout);
return 0;
}
if (argc > 2) {
return usage (1);
}
/* argc == 2, accept "kill -l $?" */
arg = argv[1];
if ((numsig = arg_to_signum (arg, 1)) < 0) {
fprintf (stderr, _("%s: unknown signal %s\n"), progname, arg);
return 1;
}
printsig (numsig);
return 0;
}
if (! strcmp (arg, "-p")) {
do_pid++;
if (do_kill)
return usage (1);
continue;
}
if (! strcmp (arg, "-s")) {
if (argc < 2) {
return usage (1);
}
do_kill++;
if (do_pid)
return usage (1);
argc--, argv++;
arg = *argv;
if ((numsig = arg_to_signum (arg, 0)) < 0) {
nosig (arg);
return 1;
}
continue;
}
if (! strcmp (arg, "-q")) {
if (argc < 2)
return usage (1);
argc--, argv++;
arg = *argv;
#ifdef HAVE_SIGQUEUE
sigdata.sival_int = strtol_or_err(arg, _("failed to parse sigval"));
use_sigval = 1;
#endif
continue;
}
/* `arg' begins with a dash but is not a known option.
so it's probably something like -HUP, or -1/-n
try to deal with it.
-n could be signal n, or pid -n (i.e. process group n).
In case of doubt POSIX tells us to assume a signal.
If a signal has been parsed, assume it's a pid, break */
if (do_kill)
break;
arg++;
if ((numsig = arg_to_signum (arg, 0)) < 0) {
return usage (1);
}
do_kill++;
if (do_pid)
return usage (1);
continue;
}
if (! *argv) {
return usage (1);
}
if (do_pid) {
numsig = -1;
}
/* we're done with the options.
the rest of the arguments should be process ids and names.
kill them. */
for (errors = 0; (arg = *argv) != NULL; argv++) {
pid = strtol (arg, &ep, 10);
if (! *ep)
errors += kill_verbose (arg, pid, numsig);
else {
pids = get_pids (arg, check_all);
if (! pids) {
errors++;
fprintf (stderr, _("%s: can't find process \"%s\"\n"),
progname, arg);
continue;
}
for (ip = pids; *ip >= 0; ip++)
errors += kill_verbose (arg, *ip, numsig);
free (pids);
}
}
return (errors);
}
int
main(int argc, char *argv[])
{
int errors, numsig, pid;
char *ep;
setprogname(argv[0]);
setlocale(LC_ALL, "");
if (argc < 2)
usage();
numsig = SIGTERM;
argc--, argv++;
if (strcmp(*argv, "-l") == 0) {
argc--, argv++;
if (argc > 1)
usage();
if (argc == 1) {
if (isdigit((unsigned char)**argv) == 0)
usage();
numsig = strtol(*argv, &ep, 10);
if (*ep != '\0') {
errx(EXIT_FAILURE, "illegal signal number: %s",
*argv);
/* NOTREACHED */
}
if (numsig >= 128)
numsig -= 128;
if (numsig <= 0 || numsig >= NSIG)
nosig(*argv);
printf("%s\n", sys_signame[numsig]);
exit(0);
}
printsignals(stdout);
exit(0);
}
if (!strcmp(*argv, "-s")) {
argc--, argv++;
if (argc < 1) {
warnx("option requires an argument -- s");
usage();
}
if (strcmp(*argv, "0")) {
if ((numsig = signame_to_signum(*argv)) < 0)
nosig(*argv);
} else
numsig = 0;
argc--, argv++;
} else if (**argv == '-') {
char *sn = *argv + 1;
if (isalpha((unsigned char)*sn)) {
if ((numsig = signame_to_signum(sn)) < 0)
nosig(sn);
} else if (isdigit((unsigned char)*sn)) {
numsig = strtol(sn, &ep, 10);
if (*ep) {
errx(EXIT_FAILURE, "illegal signal number: %s",
sn);
/* NOTREACHED */
}
if (numsig < 0 || numsig >= NSIG)
nosig(sn);
} else
nosig(sn);
argc--, argv++;
}
if (argc == 0)
usage();
for (errors = 0; argc; argc--, argv++) {
#ifdef SHELL
extern int getjobpgrp(const char *);
if (*argv[0] == '%') {
pid = getjobpgrp(*argv);
if (pid == 0) {
warnx("illegal job id: %s", *argv);
errors = 1;
continue;
}
} else
#endif
{
pid = strtol(*argv, &ep, 10);
if (!**argv || *ep) {
warnx("illegal process id: %s", *argv);
errors = 1;
continue;
}
}
if (kill(pid, numsig) == -1) {
warn("%s", *argv);
errors = 1;
}
#ifdef SHELL
/* Wakeup the process if it was suspended, so it can
exit without an explicit 'fg'. */
if (numsig == SIGTERM || numsig == SIGHUP)
kill(pid, SIGCONT);
#endif
}
exit(errors);
/* NOTREACHED */
}
int
main(int argc, char *argv[])
{
int errors, numsig, pid;
char *ep;
if (argc < 2)
usage();
numsig = SIGTERM;
argc--, argv++;
if (!strcmp(*argv, "-l")) {
argc--, argv++;
if (argc > 1)
usage();
if (argc == 1) {
if (!isdigit(**argv))
usage();
numsig = strtol(*argv, &ep, 10);
if (!**argv || *ep)
errx(2, "illegal signal number: %s", *argv);
if (numsig >= 128)
numsig -= 128;
if (numsig <= 0 || numsig >= sys_nsig)
nosig(*argv);
printf("%s\n", sys_signame[numsig]);
return (0);
}
printsignals(stdout);
return (0);
}
if (!strcmp(*argv, "-s")) {
argc--, argv++;
if (argc < 1) {
warnx("option requires an argument -- s");
usage();
}
if (strcmp(*argv, "0")) {
if ((numsig = signame_to_signum(*argv)) < 0)
nosig(*argv);
} else
numsig = 0;
argc--, argv++;
} else if (**argv == '-' && *(*argv + 1) != '-') {
++*argv;
if (isalpha(**argv)) {
if ((numsig = signame_to_signum(*argv)) < 0)
nosig(*argv);
} else if (isdigit(**argv)) {
numsig = strtol(*argv, &ep, 10);
if (!**argv || *ep)
errx(2, "illegal signal number: %s", *argv);
if (numsig < 0)
nosig(*argv);
} else
nosig(*argv);
argc--, argv++;
}
if (argc > 0 && strncmp(*argv, "--", 2) == 0)
argc--, argv++;
if (argc == 0)
usage();
for (errors = 0; argc; argc--, argv++) {
#ifdef SHELL
if (**argv == '%')
pid = getjobpgrp(*argv);
else
#endif
{
pid = strtol(*argv, &ep, 10);
if (!**argv || *ep)
errx(2, "illegal process id: %s", *argv);
}
if (kill(pid, numsig) == -1) {
warn("%s", *argv);
errors = 1;
}
}
return (errors);
}
int
main(int argc, char *argv[])
{
int errors, numsig, pid;
char *ep;
if (argc < 2)
usage();
numsig = SIGTERM;
argc--;
argv++;
if (!strcmp(*argv, "-l")) {
argc--, argv++;
if (argc > 1)
usage();
if (argc == 1) {
if (isdigit((unsigned char)**argv) == 0)
usage();
numsig = strtol(*argv, &ep, 10);
if (!*argv || *ep)
errx(1, "illegal signal number: %s", *argv);
if (numsig >= 128)
numsig -= 128;
if (numsig <= 0 || numsig >= NSIG)
nosig(*argv);
printf("%s\n", sys_signame[numsig]);
exit(0);
}
printsignals(stdout);
exit(0);
}
if (!strcmp(*argv, "-s")) {
argc--, argv++;
if (argc < 1) {
warnx("option requires an argument -- s");
usage();
}
if (strcmp(*argv, "0")) {
if ((numsig = signame_to_signum(*argv)) < 0)
nosig(*argv);
} else
numsig = 0;
argc--, argv++;
} else if (**argv == '-') {
++*argv;
if (isalpha(**argv)) {
if ((numsig = signame_to_signum(*argv)) < 0)
nosig(*argv);
} else if (isdigit(**argv)) {
numsig = strtol(*argv, &ep, 10);
if (!*argv || *ep)
errx(1, "illegal signal number: %s", *argv);
if (numsig <= 0 || numsig >= NSIG)
nosig(*argv);
} else
nosig(*argv);
argc--, argv++;
}
if (argc == 0)
usage();
for (errors = 0; argc; argc--, argv++) {
pid = strtol(*argv, &ep, 10);
if (!*argv || *ep) {
warnx("illegal process id: %s", *argv);
errors = 1;
} else if (kill(pid, numsig) == -1) {
warn("%s", *argv);
errors = 1;
}
}
exit(errors);
}
