| 1 |
/* |
| 2 |
* runscript.c |
| 3 |
* Handle launching of Gentoo init scripts. |
| 4 |
* |
| 5 |
* Copyright 1999-2007 Gentoo Foundation |
| 6 |
* Distributed under the terms of the GNU General Public License v2 |
| 7 |
*/ |
| 8 |
|
| 9 |
#define APPLET "runscript" |
| 10 |
|
| 11 |
#include <sys/types.h> |
| 12 |
#include <sys/param.h> |
| 13 |
#include <sys/stat.h> |
| 14 |
#include <sys/wait.h> |
| 15 |
#include <dlfcn.h> |
| 16 |
#include <errno.h> |
| 17 |
#include <fcntl.h> |
| 18 |
#include <getopt.h> |
| 19 |
#include <libgen.h> |
| 20 |
#include <limits.h> |
| 21 |
#include <signal.h> |
| 22 |
#include <stdio.h> |
| 23 |
#include <stdlib.h> |
| 24 |
#include <string.h> |
| 25 |
#include <unistd.h> |
| 26 |
|
| 27 |
#include "builtins.h" |
| 28 |
#include "einfo.h" |
| 29 |
#include "rc.h" |
| 30 |
#include "rc-misc.h" |
| 31 |
#include "rc-plugin.h" |
| 32 |
#include "strlist.h" |
| 33 |
|
| 34 |
#define RCSCRIPT_HELP RC_LIBDIR "/sh/rc-help.sh" |
| 35 |
#define SELINUX_LIB RC_LIBDIR "/runscript_selinux.so" |
| 36 |
|
| 37 |
#define PREFIX_LOCK RC_SVCDIR "/prefix.lock" |
| 38 |
|
| 39 |
static char *applet = NULL; |
| 40 |
static char *service = NULL; |
| 41 |
static char *exclusive = NULL; |
| 42 |
static char *mtime_test = NULL; |
| 43 |
static rc_depinfo_t *deptree = NULL; |
| 44 |
static char **services = NULL; |
| 45 |
static char **svclist = NULL; |
| 46 |
static char **tmplist = NULL; |
| 47 |
static char **providelist = NULL; |
| 48 |
static char **types = NULL; |
| 49 |
static char **restart_services = NULL; |
| 50 |
static char **need_services = NULL; |
| 51 |
static char **use_services = NULL; |
| 52 |
static char **env = NULL; |
| 53 |
static char *tmp = NULL; |
| 54 |
static char *softlevel = NULL; |
| 55 |
static bool sighup = false; |
| 56 |
static char *ibsave = NULL; |
| 57 |
static bool in_background = false; |
| 58 |
static rc_hook_t hook_out = 0; |
| 59 |
static pid_t service_pid = 0; |
| 60 |
static char *prefix = NULL; |
| 61 |
static bool prefix_locked = false; |
| 62 |
|
| 63 |
extern char **environ; |
| 64 |
|
| 65 |
#ifdef __linux__ |
| 66 |
static void (*selinux_run_init_old) (void); |
| 67 |
static void (*selinux_run_init_new) (int argc, char **argv); |
| 68 |
|
| 69 |
static void setup_selinux (int argc, char **argv); |
| 70 |
|
| 71 |
static void setup_selinux (int argc, char **argv) |
| 72 |
{ |
| 73 |
void *lib_handle = NULL; |
| 74 |
|
| 75 |
lib_handle = dlopen (SELINUX_LIB, RTLD_NOW | RTLD_GLOBAL); |
| 76 |
if (lib_handle) { |
| 77 |
/* |
| 78 |
* FIXME: the below code generates the warning |
| 79 |
* ISO C forbids assignment between function pointer and 'void *' |
| 80 |
* which sucks ass |
| 81 |
* http://www.opengroup.org/onlinepubs/009695399/functions/dlsym.html |
| 82 |
*/ |
| 83 |
selinux_run_init_old = (void (*)(void)) dlfunc (lib_handle, "selinux_runscript"); |
| 84 |
selinux_run_init_new = (void (*)(int, char **)) dlfunc (lib_handle, "selinux_runscript2"); |
| 85 |
|
| 86 |
/* Use new run_init if it rc_exists, else fall back to old */ |
| 87 |
if (selinux_run_init_new) |
| 88 |
selinux_run_init_new (argc, argv); |
| 89 |
else if (selinux_run_init_old) |
| 90 |
selinux_run_init_old (); |
| 91 |
else |
| 92 |
/* This shouldnt happen... probably corrupt lib */ |
| 93 |
eerrorx ("run_init is missing from runscript_selinux.so!"); |
| 94 |
} |
| 95 |
} |
| 96 |
#endif |
| 97 |
|
| 98 |
static void handle_signal (int sig) |
| 99 |
{ |
| 100 |
pid_t pid; |
| 101 |
int status; |
| 102 |
int serrno = errno; |
| 103 |
char signame[10] = { '\0' }; |
| 104 |
|
| 105 |
switch (sig) { |
| 106 |
case SIGHUP: |
| 107 |
sighup = true; |
| 108 |
break; |
| 109 |
|
| 110 |
case SIGCHLD: |
| 111 |
do { |
| 112 |
pid = waitpid (-1, &status, WNOHANG); |
| 113 |
if (pid < 0) { |
| 114 |
if (errno != ECHILD) |
| 115 |
eerror ("waitpid: %s", strerror (errno)); |
| 116 |
return; |
| 117 |
} |
| 118 |
} while (! WIFEXITED (status) && ! WIFSIGNALED (status)); |
| 119 |
if (pid == service_pid) |
| 120 |
service_pid = 0; |
| 121 |
break; |
| 122 |
|
| 123 |
case SIGINT: |
| 124 |
if (! signame[0]) |
| 125 |
snprintf (signame, sizeof (signame), "SIGINT"); |
| 126 |
case SIGTERM: |
| 127 |
if (! signame[0]) |
| 128 |
snprintf (signame, sizeof (signame), "SIGTERM"); |
| 129 |
case SIGQUIT: |
| 130 |
if (! signame[0]) |
| 131 |
snprintf (signame, sizeof (signame), "SIGQUIT"); |
| 132 |
/* Send the signal to our children too */ |
| 133 |
if (service_pid > 0) |
| 134 |
kill (service_pid, sig); |
| 135 |
eerrorx ("%s: caught %s, aborting", applet, signame); |
| 136 |
|
| 137 |
default: |
| 138 |
eerror ("%s: caught unknown signal %d", applet, sig); |
| 139 |
} |
| 140 |
|
| 141 |
/* Restore errno */ |
| 142 |
errno = serrno; |
| 143 |
} |
| 144 |
|
| 145 |
static time_t get_mtime (const char *pathname, bool follow_link) |
| 146 |
{ |
| 147 |
struct stat buf; |
| 148 |
int retval; |
| 149 |
|
| 150 |
if (! pathname) |
| 151 |
return (0); |
| 152 |
|
| 153 |
retval = follow_link ? stat (pathname, &buf) : lstat (pathname, &buf); |
| 154 |
if (! retval) |
| 155 |
return (buf.st_mtime); |
| 156 |
|
| 157 |
errno = 0; |
| 158 |
return (0); |
| 159 |
} |
| 160 |
|
| 161 |
static bool in_control () |
| 162 |
{ |
| 163 |
char *path; |
| 164 |
time_t mtime; |
| 165 |
const char *tests[] = { "starting", "started", "stopping", |
| 166 |
"inactive", "wasinactive", NULL }; |
| 167 |
int i = 0; |
| 168 |
|
| 169 |
if (sighup) |
| 170 |
return (false); |
| 171 |
|
| 172 |
if (! mtime_test || ! rc_exists (mtime_test)) |
| 173 |
return (false); |
| 174 |
|
| 175 |
if (rc_service_state (applet, rc_service_stopped)) |
| 176 |
return (false); |
| 177 |
|
| 178 |
if (! (mtime = get_mtime (mtime_test, false))) |
| 179 |
return (false); |
| 180 |
|
| 181 |
while (tests[i]) { |
| 182 |
path = rc_strcatpaths (RC_SVCDIR, tests[i], applet, (char *) NULL); |
| 183 |
if (rc_exists (path)) { |
| 184 |
time_t m = get_mtime (path, false); |
| 185 |
if (mtime < m && m != 0) { |
| 186 |
free (path); |
| 187 |
return (false); |
| 188 |
} |
| 189 |
} |
| 190 |
free (path); |
| 191 |
i++; |
| 192 |
} |
| 193 |
|
| 194 |
return (true); |
| 195 |
} |
| 196 |
|
| 197 |
static void uncoldplug () |
| 198 |
{ |
| 199 |
char *cold = rc_strcatpaths (RC_SVCDIR "coldplugged", applet, (char *) NULL); |
| 200 |
if (rc_exists (cold) && unlink (cold) != 0) |
| 201 |
eerror ("%s: unlink `%s': %s", applet, cold, strerror (errno)); |
| 202 |
free (cold); |
| 203 |
} |
| 204 |
|
| 205 |
static void start_services (char **list) { |
| 206 |
bool inactive; |
| 207 |
char *svc; |
| 208 |
int i; |
| 209 |
|
| 210 |
if (! list) |
| 211 |
return; |
| 212 |
|
| 213 |
inactive = rc_service_state (service, rc_service_inactive); |
| 214 |
if (! inactive) |
| 215 |
inactive = rc_service_state (service, rc_service_wasinactive); |
| 216 |
|
| 217 |
if (inactive || |
| 218 |
rc_service_state (service, rc_service_starting) || |
| 219 |
rc_service_state (service, rc_service_started)) |
| 220 |
{ |
| 221 |
STRLIST_FOREACH (list, svc, i) { |
| 222 |
if (rc_service_state (svc, rc_service_stopped)) { |
| 223 |
if (inactive) { |
| 224 |
rc_schedule_start_service (service, svc); |
| 225 |
ewarn ("WARNING: %s is scheduled to started when %s has started", |
| 226 |
svc, applet); |
| 227 |
} else |
| 228 |
rc_start_service (svc); |
| 229 |
} |
| 230 |
} |
| 231 |
} |
| 232 |
} |
| 233 |
|
| 234 |
static void cleanup (void) |
| 235 |
{ |
| 236 |
if (! rc_in_plugin) { |
| 237 |
if (prefix_locked) |
| 238 |
unlink (PREFIX_LOCK); |
| 239 |
if (hook_out) |
| 240 |
rc_plugin_run (hook_out, applet); |
| 241 |
if (restart_services) |
| 242 |
start_services (restart_services); |
| 243 |
} |
| 244 |
|
| 245 |
rc_plugin_unload (); |
| 246 |
rc_free_deptree (deptree); |
| 247 |
rc_strlist_free (services); |
| 248 |
rc_strlist_free (types); |
| 249 |
rc_strlist_free (svclist); |
| 250 |
rc_strlist_free (providelist); |
| 251 |
rc_strlist_free (need_services); |
| 252 |
rc_strlist_free (use_services); |
| 253 |
rc_strlist_free (restart_services); |
| 254 |
rc_strlist_free (tmplist); |
| 255 |
free (ibsave); |
| 256 |
|
| 257 |
if (! rc_in_plugin && in_control ()) { |
| 258 |
if (rc_service_state (applet, rc_service_stopping)) { |
| 259 |
/* If the we're shutting down, do it cleanly */ |
| 260 |
if ((softlevel && |
| 261 |
rc_runlevel_stopping () && |
| 262 |
(strcmp (softlevel, RC_LEVEL_SHUTDOWN) == 0 || |
| 263 |
strcmp (softlevel, RC_LEVEL_REBOOT) == 0))) |
| 264 |
rc_mark_service (applet, rc_service_stopped); |
| 265 |
else if (rc_service_state (applet, rc_service_wasinactive)) |
| 266 |
rc_mark_service (applet, rc_service_inactive); |
| 267 |
else |
| 268 |
rc_mark_service (applet, rc_service_started); |
| 269 |
} |
| 270 |
else if (rc_service_state (applet, rc_service_starting)) |
| 271 |
{ |
| 272 |
if (rc_service_state (applet, rc_service_wasinactive)) |
| 273 |
rc_mark_service (applet, rc_service_inactive); |
| 274 |
else |
| 275 |
rc_mark_service (applet, rc_service_stopped); |
| 276 |
} |
| 277 |
if (exclusive && rc_exists (exclusive)) |
| 278 |
unlink (exclusive); |
| 279 |
} |
| 280 |
|
| 281 |
rc_strlist_free (env); |
| 282 |
|
| 283 |
if (mtime_test) |
| 284 |
{ |
| 285 |
if (! rc_in_plugin) |
| 286 |
unlink (mtime_test); |
| 287 |
free (mtime_test); |
| 288 |
} |
| 289 |
free (exclusive); |
| 290 |
free (applet); |
| 291 |
free (prefix); |
| 292 |
free (service); |
| 293 |
} |
| 294 |
|
| 295 |
static int write_prefix (int fd, const char *buffer, size_t bytes, bool *prefixed) { |
| 296 |
unsigned int i; |
| 297 |
const char *ec; |
| 298 |
const char *ec_normal = ecolor (ecolor_normal); |
| 299 |
ssize_t ret = 0; |
| 300 |
|
| 301 |
if (fd == fileno (stdout)) |
| 302 |
ec = ecolor (ecolor_hilite); |
| 303 |
else |
| 304 |
ec = ecolor (ecolor_bad); |
| 305 |
|
| 306 |
for (i = 0; i < bytes; i++) { |
| 307 |
/* We don't prefix escape codes, like eend */ |
| 308 |
if (buffer[i] == '\033') |
| 309 |
*prefixed = true; |
| 310 |
|
| 311 |
if (! *prefixed) { |
| 312 |
ret += write (fd, ec, strlen (ec)); |
| 313 |
ret += write (fd, prefix, strlen (prefix)); |
| 314 |
ret += write (fd, ec_normal, strlen (ec_normal)); |
| 315 |
ret += write (fd, "|", 1); |
| 316 |
*prefixed = true; |
| 317 |
} |
| 318 |
|
| 319 |
if (buffer[i] == '\n') |
| 320 |
*prefixed = false; |
| 321 |
ret += write (fd, buffer + i, 1); |
| 322 |
} |
| 323 |
|
| 324 |
return (ret); |
| 325 |
} |
| 326 |
|
| 327 |
static bool svc_exec (const char *arg1, const char *arg2) |
| 328 |
{ |
| 329 |
bool execok; |
| 330 |
int stdout_pipes[2]; |
| 331 |
int stderr_pipes[2]; |
| 332 |
|
| 333 |
/* Setup our pipes for prefixed output */ |
| 334 |
if (prefix) { |
| 335 |
if (pipe (stdout_pipes)) |
| 336 |
eerror ("pipe: %s", strerror (errno)); |
| 337 |
if (pipe (stderr_pipes)) |
| 338 |
eerror ("pipe: %s", strerror (errno)); |
| 339 |
} |
| 340 |
|
| 341 |
/* We need to disable our child signal handler now so we block |
| 342 |
until our script returns. */ |
| 343 |
signal (SIGCHLD, NULL); |
| 344 |
|
| 345 |
service_pid = vfork(); |
| 346 |
|
| 347 |
if (service_pid == -1) |
| 348 |
eerrorx ("%s: vfork: %s", service, strerror (errno)); |
| 349 |
if (service_pid == 0) { |
| 350 |
if (prefix) { |
| 351 |
int flags; |
| 352 |
|
| 353 |
if (dup2 (stdout_pipes[1], fileno (stdout)) == -1) |
| 354 |
eerror ("dup2 stdout: %s", strerror (errno)); |
| 355 |
close (stdout_pipes[0]); |
| 356 |
if (dup2 (stderr_pipes[1], fileno (stderr)) == -1) |
| 357 |
eerror ("dup2 stderr: %s", strerror (errno)); |
| 358 |
close (stderr_pipes[0]); |
| 359 |
|
| 360 |
/* Stop any scripts from inheriting us */ |
| 361 |
if ((flags = fcntl (stdout_pipes[1], F_GETFD, 0)) < 0 || |
| 362 |
fcntl (stdout_pipes[1], F_SETFD, flags | FD_CLOEXEC) < 0) |
| 363 |
eerror ("fcntl: %s", strerror (errno)); |
| 364 |
if ((flags = fcntl (stderr_pipes[1], F_GETFD, 0)) < 0 || |
| 365 |
fcntl (stderr_pipes[1], F_SETFD, flags | FD_CLOEXEC) < 0) |
| 366 |
eerror ("fcntl: %s", strerror (errno)); |
| 367 |
} |
| 368 |
|
| 369 |
if (rc_exists (RC_SVCDIR "runscript.sh")) { |
| 370 |
execl (RC_SVCDIR "runscript.sh", service, service, arg1, arg2, |
| 371 |
(char *) NULL); |
| 372 |
eerror ("%s: exec `" RC_SVCDIR "runscript.sh': %s", |
| 373 |
service, strerror (errno)); |
| 374 |
_exit (EXIT_FAILURE); |
| 375 |
} else { |
| 376 |
execl (RC_LIBDIR "sh/runscript.sh", service, service, arg1, arg2, |
| 377 |
(char *) NULL); |
| 378 |
eerror ("%s: exec `" RC_LIBDIR "sh/runscript.sh': %s", |
| 379 |
service, strerror (errno)); |
| 380 |
_exit (EXIT_FAILURE); |
| 381 |
} |
| 382 |
} |
| 383 |
|
| 384 |
/* Prefix our piped output */ |
| 385 |
if (prefix) { |
| 386 |
bool stdout_done = false; |
| 387 |
bool stdout_prefix_shown = false; |
| 388 |
bool stderr_done = false; |
| 389 |
bool stderr_prefix_shown = false; |
| 390 |
char buffer[RC_LINEBUFFER]; |
| 391 |
|
| 392 |
close (stdout_pipes[1]); |
| 393 |
close (stderr_pipes[1]); |
| 394 |
|
| 395 |
memset (buffer, 0, RC_LINEBUFFER); |
| 396 |
while (! stdout_done && ! stderr_done) { |
| 397 |
fd_set fds; |
| 398 |
int retval; |
| 399 |
|
| 400 |
FD_ZERO (&fds); |
| 401 |
FD_SET (stdout_pipes[0], &fds); |
| 402 |
FD_SET (stderr_pipes[0], &fds); |
| 403 |
retval = select (MAX (stdout_pipes[0], stderr_pipes[0]) + 1, |
| 404 |
&fds, 0, 0, 0); |
| 405 |
if (retval < 0) { |
| 406 |
if (errno != EINTR) { |
| 407 |
eerror ("select: %s", strerror (errno)); |
| 408 |
break; |
| 409 |
} |
| 410 |
} else if (retval) { |
| 411 |
ssize_t nr; |
| 412 |
|
| 413 |
/* Wait until we get a lock */ |
| 414 |
while (true) { |
| 415 |
struct timeval tv; |
| 416 |
|
| 417 |
if (mkfifo (PREFIX_LOCK, 0700) == 0) { |
| 418 |
prefix_locked = true; |
| 419 |
break; |
| 420 |
} |
| 421 |
|
| 422 |
if (errno != EEXIST) |
| 423 |
eerror ("mkfifo `%s': %s\n", PREFIX_LOCK, strerror (errno)); |
| 424 |
tv.tv_sec = 0; |
| 425 |
tv.tv_usec = 20000; |
| 426 |
select (0, NULL, NULL, NULL, &tv); |
| 427 |
} |
| 428 |
|
| 429 |
if (FD_ISSET (stdout_pipes[0], &fds)) { |
| 430 |
if ((nr = read (stdout_pipes[0], buffer, |
| 431 |
sizeof (buffer))) <= 0) |
| 432 |
stdout_done = true; |
| 433 |
else |
| 434 |
write_prefix (fileno (stdout), buffer, nr, |
| 435 |
&stdout_prefix_shown); |
| 436 |
} |
| 437 |
|
| 438 |
if (FD_ISSET (stderr_pipes[0], &fds)) { |
| 439 |
if ((nr = read (stderr_pipes[0], buffer, |
| 440 |
sizeof (buffer))) <= 0) |
| 441 |
stderr_done = true; |
| 442 |
else |
| 443 |
write_prefix (fileno (stderr), buffer, nr, |
| 444 |
&stderr_prefix_shown); |
| 445 |
} |
| 446 |
|
| 447 |
/* Clear the lock */ |
| 448 |
unlink (PREFIX_LOCK); |
| 449 |
prefix_locked = false; |
| 450 |
} |
| 451 |
} |
| 452 |
|
| 453 |
/* Done now, so close the pipes */ |
| 454 |
close(stdout_pipes[0]); |
| 455 |
close(stderr_pipes[0]); |
| 456 |
} |
| 457 |
|
| 458 |
execok = rc_waitpid (service_pid) == 0 ? true : false; |
| 459 |
service_pid = 0; |
| 460 |
|
| 461 |
/* Done, so restore the signal handler */ |
| 462 |
signal (SIGCHLD, handle_signal); |
| 463 |
|
| 464 |
return (execok); |
| 465 |
} |
| 466 |
|
| 467 |
static rc_service_state_t svc_status () |
| 468 |
{ |
| 469 |
char status[10]; |
| 470 |
int (*e) (const char *fmt, ...) = &einfo; |
| 471 |
|
| 472 |
rc_service_state_t retval = rc_service_stopped; |
| 473 |
|
| 474 |
if (rc_service_state (service, rc_service_stopping)) { |
| 475 |
snprintf (status, sizeof (status), "stopping"); |
| 476 |
e = &ewarn; |
| 477 |
retval = rc_service_stopping; |
| 478 |
} else if (rc_service_state (service, rc_service_starting)) { |
| 479 |
snprintf (status, sizeof (status), "starting"); |
| 480 |
e = &ewarn; |
| 481 |
retval = rc_service_starting; |
| 482 |
} else if (rc_service_state (service, rc_service_inactive)) { |
| 483 |
snprintf (status, sizeof (status), "inactive"); |
| 484 |
e = &ewarn; |
| 485 |
retval = rc_service_inactive; |
| 486 |
} else if (rc_service_state (service, rc_service_crashed)) { |
| 487 |
snprintf (status, sizeof (status), "crashed"); |
| 488 |
e = &eerror; |
| 489 |
retval = rc_service_crashed; |
| 490 |
} else if (rc_service_state (service, rc_service_started)) { |
| 491 |
snprintf (status, sizeof (status), "started"); |
| 492 |
retval = rc_service_started; |
| 493 |
} else |
| 494 |
snprintf (status, sizeof (status), "stopped"); |
| 495 |
|
| 496 |
e ("status: %s", status); |
| 497 |
return (retval); |
| 498 |
} |
| 499 |
|
| 500 |
static void make_exclusive () |
| 501 |
{ |
| 502 |
char *path; |
| 503 |
int i; |
| 504 |
|
| 505 |
/* We create a fifo so that other services can wait until we complete */ |
| 506 |
if (! exclusive) |
| 507 |
exclusive = rc_strcatpaths (RC_SVCDIR, "exclusive", applet, (char *) NULL); |
| 508 |
|
| 509 |
if (mkfifo (exclusive, 0600) != 0 && errno != EEXIST && |
| 510 |
(errno != EACCES || geteuid () == 0)) |
| 511 |
eerrorx ("%s: unable to create fifo `%s': %s", |
| 512 |
applet, exclusive, strerror (errno)); |
| 513 |
|
| 514 |
path = rc_strcatpaths (RC_SVCDIR, "exclusive", applet, (char *) NULL); |
| 515 |
i = strlen (path) + 16; |
| 516 |
mtime_test = rc_xmalloc (sizeof (char *) * i); |
| 517 |
snprintf (mtime_test, i, "%s.%d", path, getpid ()); |
| 518 |
free (path); |
| 519 |
|
| 520 |
if (rc_exists (mtime_test) && unlink (mtime_test) != 0) { |
| 521 |
eerror ("%s: unlink `%s': %s", |
| 522 |
applet, mtime_test, strerror (errno)); |
| 523 |
free (mtime_test); |
| 524 |
mtime_test = NULL; |
| 525 |
return; |
| 526 |
} |
| 527 |
|
| 528 |
if (symlink (service, mtime_test) != 0) { |
| 529 |
eerror ("%s: symlink `%s' to `%s': %s", |
| 530 |
applet, service, mtime_test, strerror (errno)); |
| 531 |
free (mtime_test); |
| 532 |
mtime_test = NULL; |
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
static void unlink_mtime_test () |
| 537 |
{ |
| 538 |
if (unlink (mtime_test) != 0) |
| 539 |
eerror ("%s: unlink `%s': %s", applet, mtime_test, strerror (errno)); |
| 540 |
free (mtime_test); |
| 541 |
mtime_test = NULL; |
| 542 |
} |
| 543 |
|
| 544 |
static void get_started_services () |
| 545 |
{ |
| 546 |
char *svc; |
| 547 |
int i; |
| 548 |
|
| 549 |
rc_strlist_free (tmplist); |
| 550 |
tmplist = rc_services_in_state (rc_service_inactive); |
| 551 |
|
| 552 |
rc_strlist_free (restart_services); |
| 553 |
restart_services = rc_services_in_state (rc_service_started); |
| 554 |
|
| 555 |
STRLIST_FOREACH (tmplist, svc, i) |
| 556 |
restart_services = rc_strlist_addsort (restart_services, svc); |
| 557 |
|
| 558 |
rc_strlist_free (tmplist); |
| 559 |
tmplist = NULL; |
| 560 |
} |
| 561 |
|
| 562 |
static void svc_start (bool deps) |
| 563 |
{ |
| 564 |
bool started; |
| 565 |
bool background = false; |
| 566 |
char *svc; |
| 567 |
char *svc2; |
| 568 |
int i; |
| 569 |
int j; |
| 570 |
int depoptions = RC_DEP_TRACE; |
| 571 |
|
| 572 |
rc_plugin_run (rc_hook_service_start_in, applet); |
| 573 |
hook_out = rc_hook_service_start_out; |
| 574 |
|
| 575 |
if (rc_is_env ("IN_HOTPLUG", "1") || in_background) { |
| 576 |
if (! rc_service_state (service, rc_service_inactive) && |
| 577 |
! rc_service_state (service, rc_service_stopped)) |
| 578 |
exit (EXIT_FAILURE); |
| 579 |
background = true; |
| 580 |
} |
| 581 |
|
| 582 |
if (rc_service_state (service, rc_service_started)) { |
| 583 |
ewarn ("WARNING: %s has already been started", applet); |
| 584 |
return; |
| 585 |
} else if (rc_service_state (service, rc_service_starting)) |
| 586 |
ewarnx ("WARNING: %s is already starting", applet); |
| 587 |
else if (rc_service_state (service, rc_service_stopping)) |
| 588 |
ewarnx ("WARNING: %s is stopping", applet); |
| 589 |
else if (rc_service_state (service, rc_service_inactive) && ! background) |
| 590 |
ewarnx ("WARNING: %s has already started, but is inactive", applet); |
| 591 |
|
| 592 |
if (! rc_mark_service (service, rc_service_starting)) |
| 593 |
eerrorx ("ERROR: %s has been started by something else", applet); |
| 594 |
|
| 595 |
make_exclusive (service); |
| 596 |
|
| 597 |
if (rc_is_env ("RC_DEPEND_STRICT", "yes")) |
| 598 |
depoptions |= RC_DEP_STRICT; |
| 599 |
|
| 600 |
if (rc_runlevel_starting ()) |
| 601 |
depoptions |= RC_DEP_START; |
| 602 |
|
| 603 |
if (deps) { |
| 604 |
if (! deptree && ((deptree = rc_load_deptree ()) == NULL)) |
| 605 |
eerrorx ("failed to load deptree"); |
| 606 |
|
| 607 |
rc_strlist_free (types); |
| 608 |
types = rc_strlist_add (NULL, "broken"); |
| 609 |
rc_strlist_free (svclist); |
| 610 |
svclist = rc_strlist_add (NULL, applet); |
| 611 |
rc_strlist_free (services); |
| 612 |
services = rc_get_depends (deptree, types, svclist, softlevel, 0); |
| 613 |
if (services) { |
| 614 |
eerrorn ("ERROR: `%s' needs ", applet); |
| 615 |
STRLIST_FOREACH (services, svc, i) { |
| 616 |
if (i > 0) |
| 617 |
fprintf (stderr, ", "); |
| 618 |
fprintf (stderr, "%s", svc); |
| 619 |
} |
| 620 |
exit (EXIT_FAILURE); |
| 621 |
} |
| 622 |
rc_strlist_free (services); |
| 623 |
services = NULL; |
| 624 |
|
| 625 |
rc_strlist_free (types); |
| 626 |
types = rc_strlist_add (NULL, "ineed"); |
| 627 |
rc_strlist_free (need_services); |
| 628 |
need_services = rc_get_depends (deptree, types, svclist, |
| 629 |
softlevel, depoptions); |
| 630 |
|
| 631 |
types = rc_strlist_add (types, "iuse"); |
| 632 |
rc_strlist_free (use_services); |
| 633 |
use_services = rc_get_depends (deptree, types, svclist, |
| 634 |
softlevel, depoptions); |
| 635 |
|
| 636 |
if (! rc_runlevel_starting ()) { |
| 637 |
STRLIST_FOREACH (use_services, svc, i) |
| 638 |
if (rc_service_state (svc, rc_service_stopped)) { |
| 639 |
pid_t pid = rc_start_service (svc); |
| 640 |
if (! rc_is_env ("RC_PARALLEL", "yes")) |
| 641 |
rc_waitpid (pid); |
| 642 |
} |
| 643 |
} |
| 644 |
|
| 645 |
/* Now wait for them to start */ |
| 646 |
types = rc_strlist_add (types, "iafter"); |
| 647 |
services = rc_get_depends (deptree, types, svclist, |
| 648 |
softlevel, depoptions); |
| 649 |
|
| 650 |
/* We use tmplist to hold our scheduled by list */ |
| 651 |
rc_strlist_free (tmplist); |
| 652 |
tmplist = NULL; |
| 653 |
|
| 654 |
STRLIST_FOREACH (services, svc, i) { |
| 655 |
if (rc_service_state (svc, rc_service_started)) |
| 656 |
continue; |
| 657 |
|
| 658 |
/* Don't wait for services which went inactive but are now in |
| 659 |
* starting state which we are after */ |
| 660 |
if (rc_service_state (svc, rc_service_starting) && |
| 661 |
rc_service_state(svc, rc_service_wasinactive)) { |
| 662 |
bool use = false; |
| 663 |
STRLIST_FOREACH (use_services, svc2, j) |
| 664 |
if (strcmp (svc, svc2) == 0) { |
| 665 |
use = true; |
| 666 |
break; |
| 667 |
} |
| 668 |
if (! use) |
| 669 |
continue; |
| 670 |
} |
| 671 |
|
| 672 |
if (! rc_wait_service (svc)) |
| 673 |
eerror ("%s: timed out waiting for %s", applet, svc); |
| 674 |
if (rc_service_state (svc, rc_service_started)) |
| 675 |
continue; |
| 676 |
|
| 677 |
STRLIST_FOREACH (need_services, svc2, j) |
| 678 |
if (strcmp (svc, svc2) == 0) { |
| 679 |
if (rc_service_state (svc, rc_service_inactive) || |
| 680 |
rc_service_state (svc, rc_service_wasinactive)) |
| 681 |
tmplist = rc_strlist_add (tmplist, svc); |
| 682 |
else |
| 683 |
eerrorx ("ERROR: cannot start %s as %s would not start", |
| 684 |
applet, svc); |
| 685 |
} |
| 686 |
} |
| 687 |
|
| 688 |
if (tmplist) { |
| 689 |
int n = 0; |
| 690 |
int len = 0; |
| 691 |
char *p; |
| 692 |
|
| 693 |
/* Set the state now, then unlink our exclusive so that |
| 694 |
our scheduled list is preserved */ |
| 695 |
rc_mark_service (service, rc_service_stopped); |
| 696 |
unlink_mtime_test (); |
| 697 |
|
| 698 |
rc_strlist_free (types); |
| 699 |
types = rc_strlist_add (NULL, "iprovide"); |
| 700 |
STRLIST_FOREACH (tmplist, svc, i) { |
| 701 |
rc_schedule_start_service (svc, service); |
| 702 |
|
| 703 |
rc_strlist_free (svclist); |
| 704 |
svclist = rc_strlist_add (NULL, svc); |
| 705 |
rc_strlist_free (providelist); |
| 706 |
providelist = rc_get_depends (deptree, types, svclist, |
| 707 |
softlevel, depoptions); |
| 708 |
STRLIST_FOREACH (providelist, svc2, j) |
| 709 |
rc_schedule_start_service (svc2, service); |
| 710 |
|
| 711 |
len += strlen (svc) + 2; |
| 712 |
n++; |
| 713 |
} |
| 714 |
|
| 715 |
len += 5; |
| 716 |
tmp = rc_xmalloc (sizeof (char *) * len); |
| 717 |
p = tmp; |
| 718 |
STRLIST_FOREACH (tmplist, svc, i) { |
| 719 |
if (i > 1) { |
| 720 |
if (i == n) |
| 721 |
p += snprintf (p, len, " or "); |
| 722 |
else |
| 723 |
p += snprintf (p, len, ", "); |
| 724 |
} |
| 725 |
p += snprintf (p, len, "%s", svc); |
| 726 |
} |
| 727 |
ewarnx ("WARNING: %s is scheduled to start when %s has started", |
| 728 |
applet, tmp); |
| 729 |
} |
| 730 |
|
| 731 |
rc_strlist_free (services); |
| 732 |
services = NULL; |
| 733 |
rc_strlist_free (types); |
| 734 |
types = NULL; |
| 735 |
rc_strlist_free (svclist); |
| 736 |
svclist = NULL; |
| 737 |
} |
| 738 |
|
| 739 |
if (ibsave) |
| 740 |
setenv ("IN_BACKGROUND", ibsave, 1); |
| 741 |
rc_plugin_run (rc_hook_service_start_now, applet); |
| 742 |
started = svc_exec ("start", NULL); |
| 743 |
if (ibsave) |
| 744 |
unsetenv ("IN_BACKGROUND"); |
| 745 |
|
| 746 |
if (in_control ()) { |
| 747 |
if (! started) { |
| 748 |
if (rc_service_state (service, rc_service_wasinactive)) |
| 749 |
rc_mark_service (service, rc_service_inactive); |
| 750 |
else { |
| 751 |
rc_mark_service (service, rc_service_stopped); |
| 752 |
if (rc_runlevel_starting ()) |
| 753 |
rc_mark_service (service, rc_service_failed); |
| 754 |
} |
| 755 |
rc_plugin_run (rc_hook_service_start_done, applet); |
| 756 |
eerrorx ("ERROR: %s failed to start", applet); |
| 757 |
} |
| 758 |
rc_mark_service (service, rc_service_started); |
| 759 |
unlink_mtime_test (); |
| 760 |
rc_plugin_run (rc_hook_service_start_done, applet); |
| 761 |
} else { |
| 762 |
rc_plugin_run (rc_hook_service_start_done, applet); |
| 763 |
if (rc_service_state (service, rc_service_inactive)) |
| 764 |
ewarnx ("WARNING: %s has started, but is inactive", applet); |
| 765 |
else |
| 766 |
ewarnx ("WARNING: %s not under our control, aborting", applet); |
| 767 |
} |
| 768 |
|
| 769 |
/* Now start any scheduled services */ |
| 770 |
rc_strlist_free (services); |
| 771 |
services = rc_services_scheduled (service); |
| 772 |
STRLIST_FOREACH (services, svc, i) |
| 773 |
if (rc_service_state (svc, rc_service_stopped)) |
| 774 |
rc_start_service (svc); |
| 775 |
rc_strlist_free (services); |
| 776 |
services = NULL; |
| 777 |
|
| 778 |
/* Do the same for any services we provide */ |
| 779 |
rc_strlist_free (types); |
| 780 |
types = rc_strlist_add (NULL, "iprovide"); |
| 781 |
rc_strlist_free (svclist); |
| 782 |
svclist = rc_strlist_add (NULL, applet); |
| 783 |
rc_strlist_free (tmplist); |
| 784 |
tmplist = rc_get_depends (deptree, types, svclist, softlevel, depoptions); |
| 785 |
|
| 786 |
STRLIST_FOREACH (tmplist, svc2, j) { |
| 787 |
rc_strlist_free (services); |
| 788 |
services = rc_services_scheduled (svc2); |
| 789 |
STRLIST_FOREACH (services, svc, i) |
| 790 |
if (rc_service_state (svc, rc_service_stopped)) |
| 791 |
rc_start_service (svc); |
| 792 |
} |
| 793 |
|
| 794 |
hook_out = 0; |
| 795 |
rc_plugin_run (rc_hook_service_start_out, applet); |
| 796 |
} |
| 797 |
|
| 798 |
static void svc_stop (bool deps) |
| 799 |
{ |
| 800 |
bool stopped; |
| 801 |
|
| 802 |
hook_out = rc_hook_service_stop_out; |
| 803 |
|
| 804 |
if (rc_runlevel_stopping () && |
| 805 |
rc_service_state (service, rc_service_failed)) |
| 806 |
exit (EXIT_FAILURE); |
| 807 |
|
| 808 |
if (rc_is_env ("IN_HOTPLUG", "1") || in_background) |
| 809 |
if (! rc_service_state (service, rc_service_started) && |
| 810 |
! rc_service_state (service, rc_service_inactive)) |
| 811 |
exit (EXIT_FAILURE); |
| 812 |
|
| 813 |
if (rc_service_state (service, rc_service_stopped)) { |
| 814 |
ewarn ("WARNING: %s is already stopped", applet); |
| 815 |
return; |
| 816 |
} else if (rc_service_state (service, rc_service_stopping)) |
| 817 |
ewarnx ("WARNING: %s is already stopping", applet); |
| 818 |
|
| 819 |
if (! rc_mark_service (service, rc_service_stopping)) |
| 820 |
eerrorx ("ERROR: %s has been stopped by something else", applet); |
| 821 |
|
| 822 |
make_exclusive (service); |
| 823 |
|
| 824 |
if (! rc_runlevel_stopping () && |
| 825 |
rc_service_in_runlevel (service, RC_LEVEL_BOOT)) |
| 826 |
ewarn ("WARNING: you are stopping a boot service"); |
| 827 |
|
| 828 |
if (deps || ! rc_service_state (service, rc_service_wasinactive)) { |
| 829 |
int depoptions = RC_DEP_TRACE; |
| 830 |
char *svc; |
| 831 |
int i; |
| 832 |
|
| 833 |
if (rc_is_env ("RC_DEPEND_STRICT", "yes")) |
| 834 |
depoptions |= RC_DEP_STRICT; |
| 835 |
|
| 836 |
if (rc_runlevel_stopping ()) |
| 837 |
depoptions |= RC_DEP_STOP; |
| 838 |
|
| 839 |
if (! deptree && ((deptree = rc_load_deptree ()) == NULL)) |
| 840 |
eerrorx ("failed to load deptree"); |
| 841 |
|
| 842 |
rc_strlist_free (types); |
| 843 |
types = rc_strlist_add (NULL, "needsme"); |
| 844 |
rc_strlist_free (svclist); |
| 845 |
svclist = rc_strlist_add (NULL, applet); |
| 846 |
rc_strlist_free (tmplist); |
| 847 |
tmplist = NULL; |
| 848 |
rc_strlist_free (services); |
| 849 |
services = rc_get_depends (deptree, types, svclist, |
| 850 |
softlevel, depoptions); |
| 851 |
rc_strlist_reverse (services); |
| 852 |
STRLIST_FOREACH (services, svc, i) { |
| 853 |
if (rc_service_state (svc, rc_service_started) || |
| 854 |
rc_service_state (svc, rc_service_inactive)) |
| 855 |
{ |
| 856 |
rc_wait_service (svc); |
| 857 |
if (rc_service_state (svc, rc_service_started) || |
| 858 |
rc_service_state (svc, rc_service_inactive)) |
| 859 |
{ |
| 860 |
pid_t pid = rc_stop_service (svc); |
| 861 |
if (! rc_is_env ("RC_PARALLEL", "yes")) |
| 862 |
rc_waitpid (pid); |
| 863 |
tmplist = rc_strlist_add (tmplist, svc); |
| 864 |
} |
| 865 |
} |
| 866 |
} |
| 867 |
rc_strlist_free (services); |
| 868 |
services = NULL; |
| 869 |
|
| 870 |
STRLIST_FOREACH (tmplist, svc, i) { |
| 871 |
if (rc_service_state (svc, rc_service_stopped)) |
| 872 |
continue; |
| 873 |
|
| 874 |
/* We used to loop 3 times here - maybe re-do this if needed */ |
| 875 |
rc_wait_service (svc); |
| 876 |
if (! rc_service_state (svc, rc_service_stopped)) { |
| 877 |
if (rc_runlevel_stopping ()) |
| 878 |
rc_mark_service (svc, rc_service_failed); |
| 879 |
eerrorx ("ERROR: cannot stop %s as %s is still up", |
| 880 |
applet, svc); |
| 881 |
} |
| 882 |
} |
| 883 |
rc_strlist_free (tmplist); |
| 884 |
tmplist = NULL; |
| 885 |
|
| 886 |
/* We now wait for other services that may use us and are stopping |
| 887 |
This is important when a runlevel stops */ |
| 888 |
types = rc_strlist_add (types, "usesme"); |
| 889 |
types = rc_strlist_add (types, "ibefore"); |
| 890 |
services = rc_get_depends (deptree, types, svclist, |
| 891 |
softlevel, depoptions); |
| 892 |
STRLIST_FOREACH (services, svc, i) { |
| 893 |
if (rc_service_state (svc, rc_service_stopped)) |
| 894 |
continue; |
| 895 |
rc_wait_service (svc); |
| 896 |
} |
| 897 |
|
| 898 |
rc_strlist_free (services); |
| 899 |
services = NULL; |
| 900 |
rc_strlist_free (types); |
| 901 |
types = NULL; |
| 902 |
} |
| 903 |
|
| 904 |
if (ibsave) |
| 905 |
setenv ("IN_BACKGROUND", ibsave, 1); |
| 906 |
rc_plugin_run (rc_hook_service_stop_now, applet); |
| 907 |
stopped = svc_exec ("stop", NULL); |
| 908 |
if (ibsave) |
| 909 |
unsetenv ("IN_BACKGROUND"); |
| 910 |
|
| 911 |
if (! in_control ()) { |
| 912 |
rc_plugin_run (rc_hook_service_stop_done, applet); |
| 913 |
ewarnx ("WARNING: %s not under our control, aborting", applet); |
| 914 |
} |
| 915 |
|
| 916 |
if (! stopped) { |
| 917 |
if (rc_service_state (service, rc_service_wasinactive)) |
| 918 |
rc_mark_service (service, rc_service_inactive); |
| 919 |
else |
| 920 |
rc_mark_service (service, rc_service_started); |
| 921 |
rc_plugin_run (rc_hook_service_stop_done, applet); |
| 922 |
eerrorx ("ERROR: %s failed to stop", applet); |
| 923 |
} |
| 924 |
|
| 925 |
if (in_background) |
| 926 |
rc_mark_service (service, rc_service_inactive); |
| 927 |
else |
| 928 |
rc_mark_service (service, rc_service_stopped); |
| 929 |
|
| 930 |
unlink_mtime_test (); |
| 931 |
rc_plugin_run (rc_hook_service_stop_done, applet); |
| 932 |
hook_out = 0; |
| 933 |
rc_plugin_run (rc_hook_service_stop_out, applet); |
| 934 |
} |
| 935 |
|
| 936 |
static void svc_restart (bool deps) |
| 937 |
{ |
| 938 |
/* This is hairly and a better way needs to be found I think! |
| 939 |
The issue is this - openvpn need net and dns. net can restart |
| 940 |
dns via resolvconf, so you could have openvpn trying to restart dnsmasq |
| 941 |
which in turn is waiting on net which in turn is waiting on dnsmasq. |
| 942 |
The work around is for resolvconf to restart it's services with --nodeps |
| 943 |
which means just that. The downside is that there is a small window when |
| 944 |
our status is invalid. |
| 945 |
One workaround would be to introduce a new status, or status locking. */ |
| 946 |
if (! deps) { |
| 947 |
if (rc_service_state (service, rc_service_started) || |
| 948 |
rc_service_state (service, rc_service_inactive)) |
| 949 |
svc_exec ("stop", "start"); |
| 950 |
else |
| 951 |
svc_exec ("start", NULL); |
| 952 |
return; |
| 953 |
} |
| 954 |
|
| 955 |
if (! rc_service_state (service, rc_service_stopped)) { |
| 956 |
get_started_services (); |
| 957 |
svc_stop (deps); |
| 958 |
} |
| 959 |
|
| 960 |
svc_start (deps); |
| 961 |
start_services (restart_services); |
| 962 |
rc_strlist_free (restart_services); |
| 963 |
restart_services = NULL; |
| 964 |
} |
| 965 |
|
| 966 |
#define getoptstring "dCDNqvh" |
| 967 |
static struct option longopts[] = { |
| 968 |
{ "debug", 0, NULL, 'd'}, |
| 969 |
{ "nocolor", 0, NULL, 'C'}, |
| 970 |
{ "nocolour", 0, NULL, 'C'}, |
| 971 |
{ "nodeps", 0, NULL, 'D'}, |
| 972 |
{ "quiet", 0, NULL, 'q'}, |
| 973 |
{ "verbose", 0, NULL, 'v'}, |
| 974 |
{ "help", 0, NULL, 'h'}, |
| 975 |
{ NULL, 0, NULL, 0} |
| 976 |
}; |
| 977 |
// #include "_usage.c" |
| 978 |
|
| 979 |
int runscript (int argc, char **argv) |
| 980 |
{ |
| 981 |
int i; |
| 982 |
bool deps = true; |
| 983 |
bool doneone = false; |
| 984 |
char pid[16]; |
| 985 |
int retval; |
| 986 |
int opt; |
| 987 |
char *svc; |
| 988 |
|
| 989 |
/* We need the full path to the service */ |
| 990 |
if (*argv[1] == '/') |
| 991 |
service = rc_xstrdup (argv[1]); |
| 992 |
else { |
| 993 |
char pwd[PATH_MAX]; |
| 994 |
if (! getcwd (pwd, PATH_MAX)) |
| 995 |
eerrorx ("getcwd: %s", strerror (errno)); |
| 996 |
service = rc_strcatpaths (pwd, argv[1], (char *) NULL); |
| 997 |
} |
| 998 |
|
| 999 |
applet = rc_xstrdup (basename (service)); |
| 1000 |
atexit (cleanup); |
| 1001 |
|
| 1002 |
/* Change dir to / to ensure all init scripts don't use stuff in pwd */ |
| 1003 |
chdir ("/"); |
| 1004 |
|
| 1005 |
/* Show help if insufficient args */ |
| 1006 |
if (argc < 3) { |
| 1007 |
execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, (char *) NULL); |
| 1008 |
eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", |
| 1009 |
applet, strerror (errno)); |
| 1010 |
} |
| 1011 |
|
| 1012 |
#ifdef __linux__ |
| 1013 |
/* coldplug events can trigger init scripts, but we don't want to run them |
| 1014 |
until after rc sysinit has completed so we punt them to the boot runlevel */ |
| 1015 |
if (rc_exists ("/dev/.rcsysinit")) { |
| 1016 |
eerror ("%s: cannot run until sysvinit completes", applet); |
| 1017 |
if (mkdir ("/dev/.rcboot", 0755) != 0 && errno != EEXIST) |
| 1018 |
eerrorx ("%s: mkdir `/dev/.rcboot': %s", applet, strerror (errno)); |
| 1019 |
tmp = rc_strcatpaths ("/dev/.rcboot", applet, (char *) NULL); |
| 1020 |
symlink (service, tmp); |
| 1021 |
exit (EXIT_FAILURE); |
| 1022 |
} |
| 1023 |
#endif |
| 1024 |
|
| 1025 |
if ((softlevel = getenv ("RC_SOFTLEVEL")) == NULL) { |
| 1026 |
/* Ensure our environment is pure |
| 1027 |
Also, add our configuration to it */ |
| 1028 |
env = rc_filter_env (); |
| 1029 |
env = rc_config_env (env); |
| 1030 |
|
| 1031 |
if (env) { |
| 1032 |
char *p; |
| 1033 |
|
| 1034 |
#ifdef __linux__ |
| 1035 |
/* clearenv isn't portable, but there's no harm in using it |
| 1036 |
if we have it */ |
| 1037 |
clearenv (); |
| 1038 |
#else |
| 1039 |
char *var; |
| 1040 |
/* No clearenv present here then. |
| 1041 |
We could manipulate environ directly ourselves, but it seems that |
| 1042 |
some kernels bitch about this according to the environ man pages |
| 1043 |
so we walk though environ and call unsetenv for each value. */ |
| 1044 |
while (environ[0]) { |
| 1045 |
tmp = rc_xstrdup (environ[0]); |
| 1046 |
p = tmp; |
| 1047 |
var = strsep (&p, "="); |
| 1048 |
unsetenv (var); |
| 1049 |
free (tmp); |
| 1050 |
} |
| 1051 |
tmp = NULL; |
| 1052 |
#endif |
| 1053 |
|
| 1054 |
STRLIST_FOREACH (env, p, i) |
| 1055 |
putenv (p); |
| 1056 |
/* We don't free our list as that would be null in environ */ |
| 1057 |
} |
| 1058 |
|
| 1059 |
softlevel = rc_get_runlevel (); |
| 1060 |
} |
| 1061 |
|
| 1062 |
setenv ("RC_ELOG", service, 1); |
| 1063 |
setenv ("SVCNAME", applet, 1); |
| 1064 |
|
| 1065 |
/* Set an env var so that we always know our pid regardless of any |
| 1066 |
subshells the init script may create so that our mark_service_* |
| 1067 |
functions can always instruct us of this change */ |
| 1068 |
snprintf (pid, sizeof (pid), "%d", (int) getpid ()); |
| 1069 |
setenv ("RC_RUNSCRIPT_PID", pid, 1); |
| 1070 |
|
| 1071 |
/* eprefix is kinda klunky, but it works for our purposes */ |
| 1072 |
if (rc_is_env ("RC_PARALLEL", "yes")) { |
| 1073 |
int l = 0; |
| 1074 |
int ll; |
| 1075 |
|
| 1076 |
/* Get the longest service name */ |
| 1077 |
services = rc_services_in_runlevel (NULL); |
| 1078 |
STRLIST_FOREACH (services, svc, i) { |
| 1079 |
ll = strlen (svc); |
| 1080 |
if (ll > l) |
| 1081 |
l = ll; |
| 1082 |
} |
| 1083 |
|
| 1084 |
/* Make our prefix string */ |
| 1085 |
prefix = rc_xmalloc (sizeof (char *) * l); |
| 1086 |
ll = strlen (applet); |
| 1087 |
memcpy (prefix, applet, ll); |
| 1088 |
memset (prefix + ll, ' ', l - ll); |
| 1089 |
memset (prefix + l, 0, 1); |
| 1090 |
eprefix (prefix); |
| 1091 |
} |
| 1092 |
|
| 1093 |
#ifdef __linux__ |
| 1094 |
/* Ok, we are ready to go, so setup selinux if applicable */ |
| 1095 |
setup_selinux (argc, argv); |
| 1096 |
#endif |
| 1097 |
|
| 1098 |
/* Punt the first arg as it's our service name */ |
| 1099 |
argc--; |
| 1100 |
argv++; |
| 1101 |
|
| 1102 |
/* Right then, parse any options there may be */ |
| 1103 |
while ((opt = getopt_long (argc, argv, getoptstring, |
| 1104 |
longopts, (int *) 0)) != -1) |
| 1105 |
switch (opt) { |
| 1106 |
case 'd': |
| 1107 |
setenv ("RC_DEBUG", "yes", 1); |
| 1108 |
break; |
| 1109 |
case 'h': |
| 1110 |
execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, (char *) NULL); |
| 1111 |
eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", |
| 1112 |
applet, strerror (errno)); |
| 1113 |
case 'C': |
| 1114 |
setenv ("RC_NOCOLOR", "yes", 1); |
| 1115 |
break; |
| 1116 |
case 'D': |
| 1117 |
deps = false; |
| 1118 |
break; |
| 1119 |
case 'q': |
| 1120 |
setenv ("RC_QUIET", "yes", 1); |
| 1121 |
break; |
| 1122 |
case 'v': |
| 1123 |
setenv ("RC_VERBOSE", "yes", 1); |
| 1124 |
break; |
| 1125 |
default: |
| 1126 |
exit (EXIT_FAILURE); |
| 1127 |
} |
| 1128 |
|
| 1129 |
/* Save the IN_BACKGROUND env flag so it's ONLY passed to the service |
| 1130 |
that is being called and not any dependents */ |
| 1131 |
if (getenv ("IN_BACKGROUND")) { |
| 1132 |
in_background = rc_is_env ("IN_BACKGROUND", "true"); |
| 1133 |
ibsave = rc_xstrdup (getenv ("IN_BACKGROUND")); |
| 1134 |
unsetenv ("IN_BACKGROUND"); |
| 1135 |
} |
| 1136 |
|
| 1137 |
if (rc_is_env ("IN_HOTPLUG", "1")) { |
| 1138 |
if (! rc_is_env ("RC_HOTPLUG", "yes") || ! rc_allow_plug (applet)) |
| 1139 |
eerrorx ("%s: not allowed to be hotplugged", applet); |
| 1140 |
} |
| 1141 |
|
| 1142 |
/* Setup a signal handler */ |
| 1143 |
signal (SIGHUP, handle_signal); |
| 1144 |
signal (SIGINT, handle_signal); |
| 1145 |
signal (SIGQUIT, handle_signal); |
| 1146 |
signal (SIGTERM, handle_signal); |
| 1147 |
signal (SIGCHLD, handle_signal); |
| 1148 |
|
| 1149 |
/* Load our plugins */ |
| 1150 |
rc_plugin_load (); |
| 1151 |
|
| 1152 |
/* Now run each option */ |
| 1153 |
retval = EXIT_SUCCESS; |
| 1154 |
while (optind < argc) { |
| 1155 |
optarg = argv[optind++]; |
| 1156 |
|
| 1157 |
/* Abort on a sighup here */ |
| 1158 |
if (sighup) |
| 1159 |
exit (EXIT_FAILURE); |
| 1160 |
|
| 1161 |
if (strcmp (optarg, "status") != 0 && |
| 1162 |
strcmp (optarg, "help") != 0) { |
| 1163 |
/* Only root should be able to run us */ |
| 1164 |
} |
| 1165 |
|
| 1166 |
/* Export the command we're running. |
| 1167 |
This is important as we stamp on the restart function now but |
| 1168 |
some start/stop routines still need to behave differently if |
| 1169 |
restarting. */ |
| 1170 |
unsetenv ("RC_CMD"); |
| 1171 |
setenv ("RC_CMD", optarg, 1); |
| 1172 |
|
| 1173 |
doneone = true; |
| 1174 |
|
| 1175 |
if (strcmp (optarg, "describe") == 0) { |
| 1176 |
svc_exec (optarg, NULL); |
| 1177 |
} else if (strcmp (optarg, "help") == 0) { |
| 1178 |
execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, "help", (char *) NULL); |
| 1179 |
eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", |
| 1180 |
applet, strerror (errno)); |
| 1181 |
} else if (strcmp (optarg, "ineed") == 0 || |
| 1182 |
strcmp (optarg, "iuse") == 0 || |
| 1183 |
strcmp (optarg, "needsme") == 0 || |
| 1184 |
strcmp (optarg, "usesme") == 0 || |
| 1185 |
strcmp (optarg, "iafter") == 0 || |
| 1186 |
strcmp (optarg, "ibefore") == 0 || |
| 1187 |
strcmp (optarg, "iprovide") == 0) { |
| 1188 |
int depoptions = RC_DEP_TRACE; |
| 1189 |
|
| 1190 |
if (rc_is_env ("RC_DEPEND_STRICT", "yes")) |
| 1191 |
depoptions |= RC_DEP_STRICT; |
| 1192 |
|
| 1193 |
if (! deptree && ((deptree = rc_load_deptree ()) == NULL)) |
| 1194 |
eerrorx ("failed to load deptree"); |
| 1195 |
|
| 1196 |
rc_strlist_free (types); |
| 1197 |
types = rc_strlist_add (NULL, optarg); |
| 1198 |
rc_strlist_free (svclist); |
| 1199 |
svclist = rc_strlist_add (NULL, applet); |
| 1200 |
rc_strlist_free (services); |
| 1201 |
services = rc_get_depends (deptree, types, svclist, |
| 1202 |
softlevel, depoptions); |
| 1203 |
STRLIST_FOREACH (services, svc, i) |
| 1204 |
printf ("%s%s", i == 1 ? "" : " ", svc); |
| 1205 |
printf ("\n"); |
| 1206 |
} else if (strcmp (optarg, "status") == 0) { |
| 1207 |
rc_service_state_t r = svc_status (service); |
| 1208 |
retval = (int) r; |
| 1209 |
|
| 1210 |
} else if (strcmp (optarg, "help") == 0) { |
| 1211 |
execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, "help", (char *) NULL); |
| 1212 |
eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", |
| 1213 |
applet, strerror (errno)); |
| 1214 |
} else { |
| 1215 |
if (geteuid () != 0) |
| 1216 |
eerrorx ("%s: root access required", applet); |
| 1217 |
|
| 1218 |
if (strcmp (optarg, "conditionalrestart") == 0 || |
| 1219 |
strcmp (optarg, "condrestart") == 0) |
| 1220 |
{ |
| 1221 |
if (rc_service_state (service, rc_service_started)) |
| 1222 |
svc_restart (deps); |
| 1223 |
} else if (strcmp (optarg, "restart") == 0) { |
| 1224 |
svc_restart (deps); |
| 1225 |
} else if (strcmp (optarg, "start") == 0) { |
| 1226 |
svc_start (deps); |
| 1227 |
} else if (strcmp (optarg, "stop") == 0) { |
| 1228 |
if (in_background) |
| 1229 |
get_started_services (); |
| 1230 |
|
| 1231 |
svc_stop (deps); |
| 1232 |
|
| 1233 |
if (! in_background && |
| 1234 |
! rc_runlevel_stopping () && |
| 1235 |
rc_service_state (service, rc_service_stopped)) |
| 1236 |
uncoldplug (); |
| 1237 |
|
| 1238 |
if (in_background && |
| 1239 |
rc_service_state (service, rc_service_inactive)) |
| 1240 |
{ |
| 1241 |
int j; |
| 1242 |
STRLIST_FOREACH (restart_services, svc, j) |
| 1243 |
if (rc_service_state (svc, rc_service_stopped)) |
| 1244 |
rc_schedule_start_service (service, svc); |
| 1245 |
} |
| 1246 |
} else if (strcmp (optarg, "zap") == 0) { |
| 1247 |
einfo ("Manually resetting %s to stopped state", applet); |
| 1248 |
rc_mark_service (applet, rc_service_stopped); |
| 1249 |
uncoldplug (); |
| 1250 |
} else |
| 1251 |
svc_exec (optarg, NULL); |
| 1252 |
|
| 1253 |
/* We should ensure this list is empty after an action is done */ |
| 1254 |
rc_strlist_free (restart_services); |
| 1255 |
restart_services = NULL; |
| 1256 |
} |
| 1257 |
|
| 1258 |
if (! doneone) { |
| 1259 |
execl (RCSCRIPT_HELP, RCSCRIPT_HELP, service, (char *) NULL); |
| 1260 |
eerrorx ("%s: failed to exec `" RCSCRIPT_HELP "': %s", |
| 1261 |
applet, strerror (errno)); |
| 1262 |
} |
| 1263 |
} |
| 1264 |
|
| 1265 |
return (retval); |
| 1266 |
} |
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