131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/*
|
|
* This file is part of the satirical systemd-openbsd.
|
|
*
|
|
* DON'T USE THIS IN PRODUCTION! DON'T USE IT ON YOUR MACHINE!
|
|
* DON'T TAKE IT SERIOUS! IT MIGHT DELETE YOUR FILES.
|
|
*
|
|
* Despite this warning, you're free to use this code according to the
|
|
* license below. Parts of it might be useful in other places after all.
|
|
*/
|
|
/*
|
|
* Copyright (c) 2019 Reyk Floeter <contact@reykfloeter.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <limits.h>
|
|
#include <err.h>
|
|
|
|
#ifndef SYSTEMD_LIB
|
|
#define SYSTEMD_LIB
|
|
|
|
/*
|
|
* A note about the preprocessor definitions:
|
|
* -DDANGEROUS: Compile with this flag to make system_dangerous() succeed.
|
|
* -DDEBUG: Enable extra verbose debug printing.
|
|
* -DJUSTKIDDING: Compile with this flag to build the tests instead of init.
|
|
*/
|
|
#if defined(DANGEROUS) && defined(JUSTKIDDING)
|
|
#error "DANGEROUS and JUSTKIDDING are mutually exclusive"
|
|
#endif
|
|
|
|
#ifndef DEBUG
|
|
#define DPRINTF(x...) do {} while (0)
|
|
#else
|
|
#define DPRINTF syslib_log
|
|
#endif
|
|
|
|
/* The revision (bumped for every new service or score alg change). */
|
|
#define SYSTEMD_REV 6
|
|
|
|
/* The score file. */
|
|
#define SYSTEMD_SCORE "/systemd-score.txt"
|
|
|
|
/* The maximum number of seconds systemd waits until the next action. */
|
|
#define SYSTEMD_WATCH 30
|
|
|
|
/* Init systemd service. To be called by the executable first. */
|
|
void syslib_init(void);
|
|
|
|
/* Returns a true value if dangerous mode is enabled. Use with care. */
|
|
int syslib_dangerous(void);
|
|
|
|
/* Runs the next random things. */
|
|
void syslib_watch(void);
|
|
|
|
/* For noisy logging. */
|
|
void syslib_log(char *, ...);
|
|
|
|
/* Select a random file. Pass a PATH_MAX buffer. */
|
|
int syslib_randomfile(char [PATH_MAX])
|
|
__attribute__((__bounded__(__minbytes__,1,PATH_MAX)));
|
|
|
|
/* Select a random directory. Pass a PATH_MAX buffer. */
|
|
int syslib_randomdir(char [PATH_MAX])
|
|
__attribute__((__bounded__(__minbytes__,1,PATH_MAX)));
|
|
|
|
/* Recursively delete a directory. */
|
|
int syslib_rmtree(char *);
|
|
|
|
/* Execute a program. */
|
|
int syslib_exec(const char *, ...);
|
|
|
|
/* Execute a program with optional stdin and stdout. */
|
|
int syslib_pexec(const char *, char **, const char *, ...);
|
|
|
|
/* Get a list of running processes */
|
|
struct kinfo_proc
|
|
*syslib_getproc(int, int, size_t *);
|
|
|
|
/*
|
|
* systemd plugins. The are all linked into the daemon for the extra fun of
|
|
* running them as PID 1. Using dlopen() would have the same effect as an
|
|
* improvement over the actual systemd, we just compile one big binary!
|
|
*/
|
|
|
|
/* systemd-file randomly deletes files */
|
|
int systemd_file(void (**)(void));
|
|
|
|
/* systemd-file randomly deletes directories */
|
|
int systemd_dir(void (**)(void));
|
|
|
|
/* systemd-proc randomly kill processes */
|
|
int systemd_proc(void (**)(void));
|
|
|
|
/* systemd-reboot randomly reboots the system */
|
|
int systemd_reboot(void (**)(void));
|
|
|
|
/* systemd-move move files around in the filesystem */
|
|
int systemd_move(void (**)(void));
|
|
|
|
/* systemd-rename rename files */
|
|
int systemd_rename(void (**)(void));
|
|
|
|
/* Definition of systemd plugins. */
|
|
struct systemd_plugin {
|
|
const char *pid1_name;
|
|
long pid1_score;
|
|
int (*pid1_fn)(void (**cb)(void));
|
|
};
|
|
#define SYSTEMD_PLUGINS { \
|
|
{ "systemd-file", 2, systemd_file }, \
|
|
{ "systemd-dir", 4, systemd_dir }, \
|
|
{ "systemd-proc", 1, systemd_proc }, \
|
|
{ "systemd-reboot", 1, systemd_reboot }, \
|
|
{ "systemd-move", 2, systemd_move }, \
|
|
{ "systemd-rename", 3, systemd_rename }, \
|
|
}
|
|
|
|
#endif /* SYSTEMD_LIB */
|