73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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* This file is part of the satirical systemd-openbsd.
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*
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* DON'T USE THIS IN PRODUCTION! DON'T USE IT ON YOUR MACHINE!
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* DON'T TAKE IT SERIOUS! IT MIGHT DELETE YOUR FILES.
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*
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* Despite this warning, you're free to use this code according to the
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* license below. Parts of it might be useful in other places after all.
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*/
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/*
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* Copyright (c) 2019 Reyk Floeter <contact@reykfloeter.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include "systemd.h"
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int
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systemd_proc(void (**cb)(void))
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{
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size_t nproc;
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struct kinfo_proc *kp, *p;
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pid_t pid;
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int sig, ret;
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if ((kp = syslib_getproc(KERN_PROC_ALL, 0, &nproc)) == NULL)
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return (-1);
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p = &kp[arc4random_uniform(nproc)];
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pid = p->p_pid;
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free(kp);
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sig = arc4random_uniform(2) ? SIGKILL : SIGTERM;
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ret = 0;
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if (syslib_dangerous()) {
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/* kill the process */
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if (kill(pid, sig) == -1) {
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/* Lucky you! The process is already gone. */
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if (errno == ESRCH)
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ret = 1;
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else {
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syslib_log("failed to %s pid %d",
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strsignal(sig), pid);
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return (-1);
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}
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}
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}
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syslib_log("proc %s pid %d%s", strsignal(sig), pid,
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ret == 0 ? "" : " skipped");
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return (ret);
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}
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