| 1 |
/* |
| 2 |
rc.c |
| 3 |
rc - manager for init scripts which control the startup, shutdown |
| 4 |
and the running of daemons on a Gentoo system. |
| 5 |
|
| 6 |
Also a multicall binary for various commands that can be used in shell |
| 7 |
scripts to query service state, mark service state and provide the |
| 8 |
Gentoo einfo family of informational functions. |
| 9 |
|
| 10 |
Copyright 2007 Gentoo Foundation |
| 11 |
Released under the GPLv2 |
| 12 |
*/ |
| 13 |
|
| 14 |
#define APPLET "rc" |
| 15 |
|
| 16 |
#define SYSLOG_NAMES |
| 17 |
|
| 18 |
#include <sys/types.h> |
| 19 |
#include <sys/stat.h> |
| 20 |
#include <sys/utsname.h> |
| 21 |
#include <sys/wait.h> |
| 22 |
#include <errno.h> |
| 23 |
#include <dirent.h> |
| 24 |
#include <ctype.h> |
| 25 |
#include <getopt.h> |
| 26 |
#include <libgen.h> |
| 27 |
#include <limits.h> |
| 28 |
#include <stdbool.h> |
| 29 |
#include <stdio.h> |
| 30 |
#include <stdlib.h> |
| 31 |
#include <signal.h> |
| 32 |
#include <string.h> |
| 33 |
#include <strings.h> |
| 34 |
#include <syslog.h> |
| 35 |
#include <termios.h> |
| 36 |
#include <unistd.h> |
| 37 |
|
| 38 |
#include "builtins.h" |
| 39 |
#include "einfo.h" |
| 40 |
#include "rc.h" |
| 41 |
#include "rc-misc.h" |
| 42 |
#include "rc-plugin.h" |
| 43 |
#include "strlist.h" |
| 44 |
|
| 45 |
#define INITSH RC_LIBDIR "/sh/init.sh" |
| 46 |
#define INITEARLYSH RC_LIBDIR "/sh/init-early.sh" |
| 47 |
#define HALTSH RC_INITDIR "/halt.sh" |
| 48 |
|
| 49 |
#define SHUTDOWN "/sbin/shutdown" |
| 50 |
#define SULOGIN "/sbin/sulogin" |
| 51 |
|
| 52 |
#define INTERACTIVE RC_SVCDIR "/interactive" |
| 53 |
|
| 54 |
#define DEVBOOT "/dev/.rcboot" |
| 55 |
|
| 56 |
/* Cleanup anything in main */ |
| 57 |
#define CHAR_FREE(_item) if (_item) { \ |
| 58 |
free (_item); \ |
| 59 |
_item = NULL; \ |
| 60 |
} |
| 61 |
|
| 62 |
extern char **environ; |
| 63 |
|
| 64 |
static char *RUNLEVEL = NULL; |
| 65 |
static char *PREVLEVEL = NULL; |
| 66 |
|
| 67 |
static char *applet = NULL; |
| 68 |
static char *runlevel = NULL; |
| 69 |
static char **env = NULL; |
| 70 |
static char **newenv = NULL; |
| 71 |
static char **coldplugged_services = NULL; |
| 72 |
static char **stop_services = NULL; |
| 73 |
static char **start_services = NULL; |
| 74 |
static rc_depinfo_t *deptree = NULL; |
| 75 |
static char *tmp = NULL; |
| 76 |
|
| 77 |
struct termios *termios_orig = NULL; |
| 78 |
|
| 79 |
typedef struct pidlist |
| 80 |
{ |
| 81 |
pid_t pid; |
| 82 |
struct pidlist *next; |
| 83 |
} pidlist_t; |
| 84 |
static pidlist_t *service_pids = NULL; |
| 85 |
|
| 86 |
static const char *types_n[] = { "needsme", NULL }; |
| 87 |
static const char *types_nua[] = { "ineed", "iuse", "iafter", NULL }; |
| 88 |
|
| 89 |
static void cleanup (void) |
| 90 |
{ |
| 91 |
if (applet && strcmp (applet, "rc") == 0) { |
| 92 |
pidlist_t *pl = service_pids; |
| 93 |
|
| 94 |
rc_plugin_unload (); |
| 95 |
|
| 96 |
if (! rc_in_plugin && termios_orig) { |
| 97 |
tcsetattr (fileno (stdin), TCSANOW, termios_orig); |
| 98 |
free (termios_orig); |
| 99 |
} |
| 100 |
|
| 101 |
while (pl) { |
| 102 |
pidlist_t *p = pl->next; |
| 103 |
free (pl); |
| 104 |
pl = p; |
| 105 |
} |
| 106 |
|
| 107 |
rc_strlist_free (env); |
| 108 |
rc_strlist_free (newenv); |
| 109 |
rc_strlist_free (coldplugged_services); |
| 110 |
rc_strlist_free (stop_services); |
| 111 |
rc_strlist_free (start_services); |
| 112 |
rc_deptree_free (deptree); |
| 113 |
|
| 114 |
/* Clean runlevel start, stop markers */ |
| 115 |
if (! rc_in_plugin) { |
| 116 |
rmdir (RC_STARTING); |
| 117 |
rmdir (RC_STOPPING); |
| 118 |
} |
| 119 |
|
| 120 |
free (runlevel); |
| 121 |
} |
| 122 |
|
| 123 |
free (applet); |
| 124 |
} |
| 125 |
|
| 126 |
static int syslog_decode (char *name, CODE *codetab) |
| 127 |
{ |
| 128 |
CODE *c; |
| 129 |
|
| 130 |
if (isdigit (*name)) |
| 131 |
return (atoi (name)); |
| 132 |
|
| 133 |
for (c = codetab; c->c_name; c++) |
| 134 |
if (! strcasecmp (name, c->c_name)) |
| 135 |
return (c->c_val); |
| 136 |
|
| 137 |
return (-1); |
| 138 |
} |
| 139 |
|
| 140 |
static int do_e (int argc, char **argv) |
| 141 |
{ |
| 142 |
int retval = EXIT_SUCCESS; |
| 143 |
int i; |
| 144 |
int l = 0; |
| 145 |
char *message = NULL; |
| 146 |
char *p; |
| 147 |
char *fmt = NULL; |
| 148 |
int level = 0; |
| 149 |
|
| 150 |
if (strcmp (applet, "eval_ecolors") == 0) { |
| 151 |
printf ("GOOD='%s'\nWARN='%s'\nBAD='%s'\nHILITE='%s'\nBRACKET='%s'\nNORMAL='%s'\n", |
| 152 |
ecolor (ECOLOR_GOOD), |
| 153 |
ecolor (ECOLOR_WARN), |
| 154 |
ecolor (ECOLOR_BAD), |
| 155 |
ecolor (ECOLOR_HILITE), |
| 156 |
ecolor (ECOLOR_BRACKET), |
| 157 |
ecolor (ECOLOR_NORMAL)); |
| 158 |
exit (EXIT_SUCCESS); |
| 159 |
} |
| 160 |
|
| 161 |
if (argc > 0) { |
| 162 |
|
| 163 |
if (strcmp (applet, "eend") == 0 || |
| 164 |
strcmp (applet, "ewend") == 0 || |
| 165 |
strcmp (applet, "veend") == 0 || |
| 166 |
strcmp (applet, "vweend") == 0) |
| 167 |
{ |
| 168 |
errno = 0; |
| 169 |
retval = strtol (argv[0], NULL, 0); |
| 170 |
if (errno != 0) |
| 171 |
retval = EXIT_FAILURE; |
| 172 |
else { |
| 173 |
argc--; |
| 174 |
argv++; |
| 175 |
} |
| 176 |
} else if (strcmp (applet, "esyslog") == 0 || |
| 177 |
strcmp (applet, "elog") == 0) { |
| 178 |
char *dot = strchr (argv[0], '.'); |
| 179 |
if ((level = syslog_decode (dot + 1, prioritynames)) == -1) |
| 180 |
eerrorx ("%s: invalid log level `%s'", applet, argv[0]); |
| 181 |
|
| 182 |
if (argc < 3) |
| 183 |
eerrorx ("%s: not enough arguments", applet); |
| 184 |
|
| 185 |
unsetenv ("RC_ELOG"); |
| 186 |
setenv ("RC_ELOG", argv[1], 1); |
| 187 |
|
| 188 |
argc -= 2; |
| 189 |
argv += 2; |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
if (argc > 0) { |
| 194 |
for (i = 0; i < argc; i++) |
| 195 |
l += strlen (argv[i]) + 1; |
| 196 |
|
| 197 |
message = xmalloc (l); |
| 198 |
p = message; |
| 199 |
|
| 200 |
for (i = 0; i < argc; i++) { |
| 201 |
if (i > 0) |
| 202 |
*p++ = ' '; |
| 203 |
memcpy (p, argv[i], strlen (argv[i])); |
| 204 |
p += strlen (argv[i]); |
| 205 |
} |
| 206 |
*p = 0; |
| 207 |
} |
| 208 |
|
| 209 |
if (message) |
| 210 |
fmt = xstrdup ("%s"); |
| 211 |
|
| 212 |
if (strcmp (applet, "einfo") == 0) |
| 213 |
einfo (fmt, message); |
| 214 |
else if (strcmp (applet, "einfon") == 0) |
| 215 |
einfon (fmt, message); |
| 216 |
else if (strcmp (applet, "ewarn") == 0) |
| 217 |
ewarn (fmt, message); |
| 218 |
else if (strcmp (applet, "ewarnn") == 0) |
| 219 |
ewarnn (fmt, message); |
| 220 |
else if (strcmp (applet, "eerror") == 0) { |
| 221 |
eerror (fmt, message); |
| 222 |
retval = 1; |
| 223 |
} else if (strcmp (applet, "eerrorn") == 0) { |
| 224 |
eerrorn (fmt, message); |
| 225 |
retval = 1; |
| 226 |
} else if (strcmp (applet, "ebegin") == 0) |
| 227 |
ebegin (fmt, message); |
| 228 |
else if (strcmp (applet, "eend") == 0) |
| 229 |
eend (retval, fmt, message); |
| 230 |
else if (strcmp (applet, "ewend") == 0) |
| 231 |
ewend (retval, fmt, message); |
| 232 |
else if (strcmp (applet, "esyslog") == 0) |
| 233 |
elog (level, fmt, message); |
| 234 |
else if (strcmp (applet, "veinfo") == 0) |
| 235 |
einfov (fmt, message); |
| 236 |
else if (strcmp (applet, "veinfon") == 0) |
| 237 |
einfovn (fmt, message); |
| 238 |
else if (strcmp (applet, "vewarn") == 0) |
| 239 |
ewarnv (fmt, message); |
| 240 |
else if (strcmp (applet, "vewarnn") == 0) |
| 241 |
ewarnvn (fmt, message); |
| 242 |
else if (strcmp (applet, "vebegin") == 0) |
| 243 |
ebeginv (fmt, message); |
| 244 |
else if (strcmp (applet, "veend") == 0) |
| 245 |
eendv (retval, fmt, message); |
| 246 |
else if (strcmp (applet, "vewend") == 0) |
| 247 |
ewendv (retval, fmt, message); |
| 248 |
else if (strcmp (applet, "eindent") == 0) |
| 249 |
eindent (); |
| 250 |
else if (strcmp (applet, "eoutdent") == 0) |
| 251 |
eoutdent (); |
| 252 |
else if (strcmp (applet, "veindent") == 0) |
| 253 |
eindentv (); |
| 254 |
else if (strcmp (applet, "veoutdent") == 0) |
| 255 |
eoutdentv (); |
| 256 |
else { |
| 257 |
eerror ("%s: unknown applet", applet); |
| 258 |
retval = EXIT_FAILURE; |
| 259 |
} |
| 260 |
|
| 261 |
if (fmt) |
| 262 |
free (fmt); |
| 263 |
if (message) |
| 264 |
free (message); |
| 265 |
return (retval); |
| 266 |
} |
| 267 |
|
| 268 |
static int do_service (int argc, char **argv) |
| 269 |
{ |
| 270 |
bool ok = false; |
| 271 |
|
| 272 |
if (argc < 1 || ! argv[0] || strlen (argv[0]) == 0) |
| 273 |
eerrorx ("%s: no service specified", applet); |
| 274 |
|
| 275 |
if (strcmp (applet, "service_started") == 0) |
| 276 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_STARTED); |
| 277 |
else if (strcmp (applet, "service_stopped") == 0) |
| 278 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_STOPPED); |
| 279 |
else if (strcmp (applet, "service_inactive") == 0) |
| 280 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_INACTIVE); |
| 281 |
else if (strcmp (applet, "service_starting") == 0) |
| 282 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_STOPPING); |
| 283 |
else if (strcmp (applet, "service_stopping") == 0) |
| 284 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_STOPPING); |
| 285 |
else if (strcmp (applet, "service_coldplugged") == 0) |
| 286 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_COLDPLUGGED); |
| 287 |
else if (strcmp (applet, "service_wasinactive") == 0) |
| 288 |
ok = (rc_service_state (argv[0]) & RC_SERVICE_WASINACTIVE); |
| 289 |
else if (strcmp (applet, "service_started_daemon") == 0) { |
| 290 |
int idx = 0; |
| 291 |
if (argc > 2) |
| 292 |
sscanf (argv[2], "%d", &idx); |
| 293 |
exit (rc_service_started_daemon (argv[0], argv[1], idx) |
| 294 |
? 0 : 1); |
| 295 |
} else |
| 296 |
eerrorx ("%s: unknown applet", applet); |
| 297 |
|
| 298 |
return (ok ? EXIT_SUCCESS : EXIT_FAILURE); |
| 299 |
} |
| 300 |
|
| 301 |
static int do_mark_service (int argc, char **argv) |
| 302 |
{ |
| 303 |
bool ok = false; |
| 304 |
char *svcname = getenv ("SVCNAME"); |
| 305 |
|
| 306 |
if (argc < 1 || ! argv[0] || strlen (argv[0]) == 0) |
| 307 |
eerrorx ("%s: no service specified", applet); |
| 308 |
|
| 309 |
if (strcmp (applet, "mark_service_started") == 0) |
| 310 |
ok = rc_service_mark (argv[0], RC_SERVICE_STARTED); |
| 311 |
else if (strcmp (applet, "mark_service_stopped") == 0) |
| 312 |
ok = rc_service_mark (argv[0], RC_SERVICE_STOPPED); |
| 313 |
else if (strcmp (applet, "mark_service_inactive") == 0) |
| 314 |
ok = rc_service_mark (argv[0], RC_SERVICE_INACTIVE); |
| 315 |
else if (strcmp (applet, "mark_service_starting") == 0) |
| 316 |
ok = rc_service_mark (argv[0], RC_SERVICE_STOPPING); |
| 317 |
else if (strcmp (applet, "mark_service_stopping") == 0) |
| 318 |
ok = rc_service_mark (argv[0], RC_SERVICE_STOPPING); |
| 319 |
else if (strcmp (applet, "mark_service_coldplugged") == 0) |
| 320 |
ok = rc_service_mark (argv[0], RC_SERVICE_COLDPLUGGED); |
| 321 |
else if (strcmp (applet, "mark_service_failed") == 0) |
| 322 |
ok = rc_service_mark (argv[0], RC_SERVICE_FAILED); |
| 323 |
else |
| 324 |
eerrorx ("%s: unknown applet", applet); |
| 325 |
|
| 326 |
/* If we're marking ourselves then we need to inform our parent runscript |
| 327 |
process so they do not mark us based on our exit code */ |
| 328 |
if (ok && svcname && strcmp (svcname, argv[0]) == 0) { |
| 329 |
char *runscript_pid = getenv ("RC_RUNSCRIPT_PID"); |
| 330 |
char *mtime; |
| 331 |
pid_t pid = 0; |
| 332 |
int l; |
| 333 |
|
| 334 |
if (runscript_pid && sscanf (runscript_pid, "%d", &pid) == 1) |
| 335 |
if (kill (pid, SIGHUP) != 0) |
| 336 |
eerror ("%s: failed to signal parent %d: %s", |
| 337 |
applet, pid, strerror (errno)); |
| 338 |
|
| 339 |
/* Remove the exclusive time test. This ensures that it's not |
| 340 |
in control as well */ |
| 341 |
l = strlen (RC_SVCDIR "exclusive") + |
| 342 |
strlen (svcname) + |
| 343 |
strlen (runscript_pid) + |
| 344 |
4; |
| 345 |
mtime = xmalloc (l); |
| 346 |
snprintf (mtime, l, RC_SVCDIR "exclusive/%s.%s", |
| 347 |
svcname, runscript_pid); |
| 348 |
if (exists (mtime) && unlink (mtime) != 0) |
| 349 |
eerror ("%s: unlink: %s", applet, strerror (errno)); |
| 350 |
free (mtime); |
| 351 |
} |
| 352 |
|
| 353 |
return (ok ? EXIT_SUCCESS : EXIT_FAILURE); |
| 354 |
} |
| 355 |
|
| 356 |
static int do_options (int argc, char **argv) |
| 357 |
{ |
| 358 |
bool ok = false; |
| 359 |
char *service = getenv ("SVCNAME"); |
| 360 |
|
| 361 |
if (! service) |
| 362 |
eerrorx ("%s: no service specified", applet); |
| 363 |
|
| 364 |
if (argc < 1 || ! argv[0] || strlen (argv[0]) == 0) |
| 365 |
eerrorx ("%s: no option specified", applet); |
| 366 |
|
| 367 |
if (strcmp (applet, "get_options") == 0) { |
| 368 |
char *option = rc_service_value_get (service, argv[0]); |
| 369 |
if (option) { |
| 370 |
printf ("%s", option); |
| 371 |
free (option); |
| 372 |
ok = true; |
| 373 |
} |
| 374 |
} else if (strcmp (applet, "save_options") == 0) |
| 375 |
ok = rc_service_value_set (service, argv[0], argv[1]); |
| 376 |
else |
| 377 |
eerrorx ("%s: unknown applet", applet); |
| 378 |
|
| 379 |
return (ok ? EXIT_SUCCESS : EXIT_FAILURE); |
| 380 |
} |
| 381 |
|
| 382 |
#ifdef __linux__ |
| 383 |
static char *proc_getent (const char *ent) |
| 384 |
{ |
| 385 |
FILE *fp; |
| 386 |
char *buffer; |
| 387 |
char *p; |
| 388 |
char *value = NULL; |
| 389 |
int i; |
| 390 |
|
| 391 |
if (! exists ("/proc/cmdline")) |
| 392 |
return (NULL); |
| 393 |
|
| 394 |
if (! (fp = fopen ("/proc/cmdline", "r"))) { |
| 395 |
eerror ("failed to open `/proc/cmdline': %s", strerror (errno)); |
| 396 |
return (NULL); |
| 397 |
} |
| 398 |
|
| 399 |
buffer = xmalloc (sizeof (char) * RC_LINEBUFFER); |
| 400 |
memset (buffer, 0, RC_LINEBUFFER); |
| 401 |
if (fgets (buffer, RC_LINEBUFFER, fp) && |
| 402 |
(p = strstr (buffer, ent))) |
| 403 |
{ |
| 404 |
i = p - buffer; |
| 405 |
if (i == '\0' || buffer[i - 1] == ' ') { |
| 406 |
/* Trim the trailing carriage return if present */ |
| 407 |
i = strlen (buffer) - 1; |
| 408 |
if (buffer[i] == '\n') |
| 409 |
buffer[i] = 0; |
| 410 |
|
| 411 |
p += strlen (ent); |
| 412 |
if (*p == '=') |
| 413 |
p++; |
| 414 |
value = xstrdup (strsep (&p, " ")); |
| 415 |
} |
| 416 |
} else |
| 417 |
errno = ENOENT; |
| 418 |
free (buffer); |
| 419 |
fclose (fp); |
| 420 |
|
| 421 |
return (value); |
| 422 |
} |
| 423 |
#endif |
| 424 |
|
| 425 |
static char read_key (bool block) |
| 426 |
{ |
| 427 |
struct termios termios; |
| 428 |
char c = 0; |
| 429 |
int fd = fileno (stdin); |
| 430 |
|
| 431 |
if (! isatty (fd)) |
| 432 |
return (false); |
| 433 |
|
| 434 |
/* Now save our terminal settings. We need to restore them at exit as we |
| 435 |
will be changing it for non-blocking reads for Interactive */ |
| 436 |
if (! termios_orig) { |
| 437 |
termios_orig = xmalloc (sizeof (struct termios)); |
| 438 |
tcgetattr (fd, termios_orig); |
| 439 |
} |
| 440 |
|
| 441 |
tcgetattr (fd, &termios); |
| 442 |
termios.c_lflag &= ~(ICANON | ECHO); |
| 443 |
if (block) |
| 444 |
termios.c_cc[VMIN] = 1; |
| 445 |
else { |
| 446 |
termios.c_cc[VMIN] = 0; |
| 447 |
termios.c_cc[VTIME] = 0; |
| 448 |
} |
| 449 |
tcsetattr (fd, TCSANOW, &termios); |
| 450 |
|
| 451 |
read (fd, &c, 1); |
| 452 |
|
| 453 |
tcsetattr (fd, TCSANOW, termios_orig); |
| 454 |
|
| 455 |
return (c); |
| 456 |
} |
| 457 |
|
| 458 |
static bool want_interactive (void) |
| 459 |
{ |
| 460 |
char c; |
| 461 |
|
| 462 |
if (PREVLEVEL && |
| 463 |
strcmp (PREVLEVEL, "N") != 0 && |
| 464 |
strcmp (PREVLEVEL, "S") != 0 && |
| 465 |
strcmp (PREVLEVEL, "1") != 0) |
| 466 |
return (false); |
| 467 |
|
| 468 |
if (! rc_env_bool ("RC_INTERACTIVE")) |
| 469 |
return (false); |
| 470 |
|
| 471 |
c = read_key (false); |
| 472 |
return ((c == 'I' || c == 'i') ? true : false); |
| 473 |
} |
| 474 |
|
| 475 |
static void mark_interactive (void) |
| 476 |
{ |
| 477 |
FILE *fp = fopen (INTERACTIVE, "w"); |
| 478 |
if (fp) |
| 479 |
fclose (fp); |
| 480 |
} |
| 481 |
|
| 482 |
static void sulogin (bool cont) |
| 483 |
{ |
| 484 |
#ifdef __linux__ |
| 485 |
char *e = getenv ("RC_SYS"); |
| 486 |
|
| 487 |
/* VPS systems cannot do an sulogin */ |
| 488 |
if (e && strcmp (e, "VPS") == 0) { |
| 489 |
execl ("/sbin/halt", "/sbin/halt", "-f", (char *) NULL); |
| 490 |
eerrorx ("%s: unable to exec `/sbin/halt': %s", applet, strerror (errno)); |
| 491 |
} |
| 492 |
#endif |
| 493 |
|
| 494 |
newenv = env_filter (); |
| 495 |
|
| 496 |
if (cont) { |
| 497 |
int status = 0; |
| 498 |
#ifdef __linux__ |
| 499 |
char *tty = ttyname (fileno (stdout)); |
| 500 |
#endif |
| 501 |
|
| 502 |
pid_t pid = vfork (); |
| 503 |
|
| 504 |
if (pid == -1) |
| 505 |
eerrorx ("%s: vfork: %s", applet, strerror (errno)); |
| 506 |
if (pid == 0) { |
| 507 |
#ifdef __linux__ |
| 508 |
if (tty) |
| 509 |
execle (SULOGIN, SULOGIN, tty, (char *) NULL, newenv); |
| 510 |
else |
| 511 |
execle (SULOGIN, SULOGIN, (char *) NULL, newenv); |
| 512 |
|
| 513 |
eerror ("%s: unable to exec `%s': %s", applet, SULOGIN, |
| 514 |
strerror (errno)); |
| 515 |
#else |
| 516 |
execle ("/bin/sh", "/bin/sh", (char *) NULL, newenv); |
| 517 |
eerror ("%s: unable to exec `/bin/sh': %s", applet, |
| 518 |
strerror (errno)); |
| 519 |
#endif |
| 520 |
_exit (EXIT_FAILURE); |
| 521 |
} |
| 522 |
waitpid (pid, &status, 0); |
| 523 |
} else { |
| 524 |
#ifdef __linux__ |
| 525 |
execle ("/sbin/sulogin", "/sbin/sulogin", (char *) NULL, newenv); |
| 526 |
eerrorx ("%s: unable to exec `/sbin/sulogin': %s", applet, strerror (errno)); |
| 527 |
#else |
| 528 |
exit (EXIT_SUCCESS); |
| 529 |
#endif |
| 530 |
} |
| 531 |
} |
| 532 |
|
| 533 |
static void single_user (void) |
| 534 |
{ |
| 535 |
#ifdef __linux__ |
| 536 |
execl ("/sbin/telinit", "/sbin/telinit", "S", (char *) NULL); |
| 537 |
eerrorx ("%s: unable to exec `/sbin/telinit': %s", |
| 538 |
applet, strerror (errno)); |
| 539 |
#else |
| 540 |
if (kill (1, SIGTERM) != 0) |
| 541 |
eerrorx ("%s: unable to send SIGTERM to init (pid 1): %s", |
| 542 |
applet, strerror (errno)); |
| 543 |
exit (EXIT_SUCCESS); |
| 544 |
#endif |
| 545 |
} |
| 546 |
|
| 547 |
static void set_ksoftlevel (const char *level) |
| 548 |
{ |
| 549 |
FILE *fp; |
| 550 |
|
| 551 |
if (! level || |
| 552 |
strcmp (level, getenv ("RC_BOOTLEVEL")) == 0 || |
| 553 |
strcmp (level, RC_LEVEL_SINGLE) == 0 || |
| 554 |
strcmp (level, RC_LEVEL_SYSINIT) == 0) |
| 555 |
{ |
| 556 |
if (exists (RC_KSOFTLEVEL) && |
| 557 |
unlink (RC_KSOFTLEVEL) != 0) |
| 558 |
eerror ("unlink `%s': %s", RC_KSOFTLEVEL, strerror (errno)); |
| 559 |
return; |
| 560 |
} |
| 561 |
|
| 562 |
if (! (fp = fopen (RC_KSOFTLEVEL, "w"))) { |
| 563 |
eerror ("fopen `%s': %s", RC_KSOFTLEVEL, strerror (errno)); |
| 564 |
return; |
| 565 |
} |
| 566 |
|
| 567 |
fprintf (fp, "%s", level); |
| 568 |
fclose (fp); |
| 569 |
} |
| 570 |
|
| 571 |
static int get_ksoftlevel (char *buffer, int buffer_len) |
| 572 |
{ |
| 573 |
FILE *fp; |
| 574 |
int i = 0; |
| 575 |
|
| 576 |
if (! exists (RC_KSOFTLEVEL)) |
| 577 |
return (0); |
| 578 |
|
| 579 |
if (! (fp = fopen (RC_KSOFTLEVEL, "r"))) { |
| 580 |
eerror ("fopen `%s': %s", RC_KSOFTLEVEL, strerror (errno)); |
| 581 |
return (-1); |
| 582 |
} |
| 583 |
|
| 584 |
if (fgets (buffer, buffer_len, fp)) { |
| 585 |
i = strlen (buffer) - 1; |
| 586 |
if (buffer[i] == '\n') |
| 587 |
buffer[i] = 0; |
| 588 |
} |
| 589 |
|
| 590 |
fclose (fp); |
| 591 |
return (i); |
| 592 |
} |
| 593 |
|
| 594 |
static void wait_for_services () |
| 595 |
{ |
| 596 |
int status = 0; |
| 597 |
while (wait (&status) != -1); |
| 598 |
} |
| 599 |
|
| 600 |
static void add_pid (pid_t pid) |
| 601 |
{ |
| 602 |
pidlist_t *sp = service_pids; |
| 603 |
if (sp) { |
| 604 |
while (sp->next) |
| 605 |
sp = sp->next; |
| 606 |
sp->next = xmalloc (sizeof (pidlist_t)); |
| 607 |
sp = sp->next; |
| 608 |
} else |
| 609 |
sp = service_pids = xmalloc (sizeof (pidlist_t)); |
| 610 |
memset (sp, 0, sizeof (pidlist_t)); |
| 611 |
sp->pid = pid; |
| 612 |
} |
| 613 |
|
| 614 |
static void remove_pid (pid_t pid) |
| 615 |
{ |
| 616 |
pidlist_t *last = NULL; |
| 617 |
pidlist_t *pl; |
| 618 |
|
| 619 |
for (pl = service_pids; pl; pl = pl->next) { |
| 620 |
if (pl->pid == pid) { |
| 621 |
if (last) |
| 622 |
last->next = pl->next; |
| 623 |
else |
| 624 |
service_pids = pl->next; |
| 625 |
free (pl); |
| 626 |
break; |
| 627 |
} |
| 628 |
last = pl; |
| 629 |
} |
| 630 |
} |
| 631 |
|
| 632 |
static void handle_signal (int sig) |
| 633 |
{ |
| 634 |
int serrno = errno; |
| 635 |
char signame[10] = { '\0' }; |
| 636 |
pidlist_t *pl; |
| 637 |
pid_t pid; |
| 638 |
int status = 0; |
| 639 |
|
| 640 |
switch (sig) { |
| 641 |
case SIGCHLD: |
| 642 |
do { |
| 643 |
pid = waitpid (-1, &status, WNOHANG); |
| 644 |
if (pid < 0) { |
| 645 |
if (errno != ECHILD) |
| 646 |
eerror ("waitpid: %s", strerror (errno)); |
| 647 |
return; |
| 648 |
} |
| 649 |
} while (! WIFEXITED (status) && ! WIFSIGNALED (status)); |
| 650 |
|
| 651 |
/* Remove that pid from our list */ |
| 652 |
if (pid > 0) |
| 653 |
remove_pid (pid); |
| 654 |
break; |
| 655 |
|
| 656 |
case SIGINT: |
| 657 |
if (! signame[0]) |
| 658 |
snprintf (signame, sizeof (signame), "SIGINT"); |
| 659 |
case SIGTERM: |
| 660 |
if (! signame[0]) |
| 661 |
snprintf (signame, sizeof (signame), "SIGTERM"); |
| 662 |
case SIGQUIT: |
| 663 |
if (! signame[0]) |
| 664 |
snprintf (signame, sizeof (signame), "SIGQUIT"); |
| 665 |
eerrorx ("%s: caught %s, aborting", applet, signame); |
| 666 |
case SIGUSR1: |
| 667 |
eerror ("rc: Aborting!"); |
| 668 |
/* Kill any running services we have started */ |
| 669 |
|
| 670 |
signal (SIGCHLD, SIG_IGN); |
| 671 |
for (pl = service_pids; pl; pl = pl->next) |
| 672 |
kill (pl->pid, SIGTERM); |
| 673 |
|
| 674 |
/* Notify plugins we are aborting */ |
| 675 |
rc_plugin_run (RC_HOOK_ABORT, NULL); |
| 676 |
|
| 677 |
/* Only drop into single user mode if we're booting */ |
| 678 |
if ((PREVLEVEL && |
| 679 |
(strcmp (PREVLEVEL, "S") == 0 || |
| 680 |
strcmp (PREVLEVEL, "1") == 0)) || |
| 681 |
(RUNLEVEL && |
| 682 |
(strcmp (RUNLEVEL, "S") == 0 || |
| 683 |
strcmp (RUNLEVEL, "1") == 0))) |
| 684 |
single_user (); |
| 685 |
|
| 686 |
exit (EXIT_FAILURE); |
| 687 |
break; |
| 688 |
|
| 689 |
default: |
| 690 |
eerror ("%s: caught unknown signal %d", applet, sig); |
| 691 |
} |
| 692 |
|
| 693 |
/* Restore errno */ |
| 694 |
errno = serrno; |
| 695 |
} |
| 696 |
|
| 697 |
static void run_script (const char *script) { |
| 698 |
int status = 0; |
| 699 |
pid_t pid = vfork (); |
| 700 |
|
| 701 |
if (pid < 0) |
| 702 |
eerrorx ("%s: vfork: %s", applet, strerror (errno)); |
| 703 |
else if (pid == 0) { |
| 704 |
execl (script, script, (char *) NULL); |
| 705 |
eerror ("%s: unable to exec `%s': %s", |
| 706 |
script, applet, strerror (errno)); |
| 707 |
_exit (EXIT_FAILURE); |
| 708 |
} |
| 709 |
|
| 710 |
do { |
| 711 |
pid_t wpid = waitpid (pid, &status, 0); |
| 712 |
if (wpid < 1) |
| 713 |
eerror ("waitpid: %s", strerror (errno)); |
| 714 |
} while (! WIFEXITED (status) && ! WIFSIGNALED (status)); |
| 715 |
|
| 716 |
if (! WIFEXITED (status) || ! WEXITSTATUS (status) == 0) |
| 717 |
eerrorx ("%s: failed to exec `%s'", applet, script); |
| 718 |
} |
| 719 |
|
| 720 |
#include "_usage.h" |
| 721 |
#define getoptstring getoptstring_COMMON |
| 722 |
static struct option longopts[] = { |
| 723 |
longopts_COMMON |
| 724 |
}; |
| 725 |
static const char * const longopts_help[] = { |
| 726 |
longopts_help_COMMON |
| 727 |
}; |
| 728 |
#include "_usage.c" |
| 729 |
|
| 730 |
int main (int argc, char **argv) |
| 731 |
{ |
| 732 |
const char *bootlevel = NULL; |
| 733 |
char *newlevel = NULL; |
| 734 |
char *service = NULL; |
| 735 |
char **deporder = NULL; |
| 736 |
char **tmplist; |
| 737 |
int i = 0; |
| 738 |
int j = 0; |
| 739 |
bool going_down = false; |
| 740 |
bool interactive = false; |
| 741 |
int depoptions = RC_DEP_STRICT | RC_DEP_TRACE; |
| 742 |
char ksoftbuffer [PATH_MAX]; |
| 743 |
char pidstr[6]; |
| 744 |
int opt; |
| 745 |
DIR *dp; |
| 746 |
struct dirent *d; |
| 747 |
|
| 748 |
atexit (cleanup); |
| 749 |
if (argv[0]) |
| 750 |
applet = xstrdup (basename (argv[0])); |
| 751 |
|
| 752 |
if (! applet) |
| 753 |
eerrorx ("arguments required"); |
| 754 |
|
| 755 |
/* These used to be programs in their own right, so we shouldn't |
| 756 |
* touch argc or argv for them */ |
| 757 |
if (strcmp (applet, "env-update") == 0) |
| 758 |
exit (env_update (argc, argv)); |
| 759 |
else if (strcmp (applet, "fstabinfo") == 0) |
| 760 |
exit (fstabinfo (argc, argv)); |
| 761 |
else if (strcmp (applet, "mountinfo") == 0) |
| 762 |
exit (mountinfo (argc, argv)); |
| 763 |
else if (strcmp (applet, "rc-depend") == 0) |
| 764 |
exit (rc_depend (argc, argv)); |
| 765 |
else if (strcmp (applet, "rc-status") == 0) |
| 766 |
exit (rc_status (argc, argv)); |
| 767 |
else if (strcmp (applet, "rc-update") == 0 || |
| 768 |
strcmp (applet, "update-rc") == 0) |
| 769 |
exit (rc_update (argc, argv)); |
| 770 |
else if (strcmp (applet, "runscript") == 0) |
| 771 |
exit (runscript (argc, argv)); |
| 772 |
else if (strcmp (applet, "start-stop-daemon") == 0) |
| 773 |
exit (start_stop_daemon (argc, argv)); |
| 774 |
else if (strcmp (applet, "checkown") == 0) |
| 775 |
exit (checkown (argc, argv)); |
| 776 |
|
| 777 |
argc--; |
| 778 |
argv++; |
| 779 |
|
| 780 |
/* Handle multicall stuff */ |
| 781 |
if (applet[0] == 'e' || (applet[0] == 'v' && applet[1] == 'e')) |
| 782 |
exit (do_e (argc, argv)); |
| 783 |
|
| 784 |
if (strncmp (applet, "service_", strlen ("service_")) == 0) |
| 785 |
exit (do_service (argc, argv)); |
| 786 |
|
| 787 |
if (strcmp (applet, "get_options") == 0 || |
| 788 |
strcmp (applet, "save_options") == 0) |
| 789 |
exit (do_options (argc, argv)); |
| 790 |
|
| 791 |
if (strncmp (applet, "mark_service_", strlen ("mark_service_")) == 0) |
| 792 |
exit (do_mark_service (argc, argv)); |
| 793 |
|
| 794 |
if (strcmp (applet, "is_runlevel_start") == 0) |
| 795 |
exit (rc_runlevel_starting () ? 0 : 1); |
| 796 |
else if (strcmp (applet, "is_runlevel_stop") == 0) |
| 797 |
exit (rc_runlevel_stopping () ? 0 : 1); |
| 798 |
|
| 799 |
if (strcmp (applet, "rc-abort") == 0) { |
| 800 |
char *p = getenv ("RC_PID"); |
| 801 |
pid_t pid = 0; |
| 802 |
|
| 803 |
if (p && sscanf (p, "%d", &pid) == 1) { |
| 804 |
if (kill (pid, SIGUSR1) != 0) |
| 805 |
eerrorx ("rc-abort: failed to signal parent %d: %s", |
| 806 |
pid, strerror (errno)); |
| 807 |
exit (EXIT_SUCCESS); |
| 808 |
} |
| 809 |
exit (EXIT_FAILURE); |
| 810 |
} |
| 811 |
|
| 812 |
if (strcmp (applet, "rc" ) != 0) |
| 813 |
eerrorx ("%s: unknown applet", applet); |
| 814 |
|
| 815 |
/* Change dir to / to ensure all scripts don't use stuff in pwd */ |
| 816 |
chdir ("/"); |
| 817 |
|
| 818 |
/* RUNLEVEL is set by sysvinit as is a magic number |
| 819 |
RC_SOFTLEVEL is set by us and is the name for this magic number |
| 820 |
even though all our userland documentation refers to runlevel */ |
| 821 |
RUNLEVEL = getenv ("RUNLEVEL"); |
| 822 |
PREVLEVEL = getenv ("PREVLEVEL"); |
| 823 |
|
| 824 |
/* Setup a signal handler */ |
| 825 |
signal (SIGINT, handle_signal); |
| 826 |
signal (SIGQUIT, handle_signal); |
| 827 |
signal (SIGTERM, handle_signal); |
| 828 |
signal (SIGUSR1, handle_signal); |
| 829 |
|
| 830 |
/* Ensure our environment is pure |
| 831 |
Also, add our configuration to it */ |
| 832 |
env = env_filter (); |
| 833 |
tmplist = env_config (); |
| 834 |
rc_strlist_join (&env, tmplist); |
| 835 |
rc_strlist_free (tmplist); |
| 836 |
|
| 837 |
if (env) { |
| 838 |
char *p; |
| 839 |
|
| 840 |
#ifdef __linux__ |
| 841 |
/* clearenv isn't portable, but there's no harm in using it |
| 842 |
if we have it */ |
| 843 |
clearenv (); |
| 844 |
#else |
| 845 |
char *var; |
| 846 |
/* No clearenv present here then. |
| 847 |
We could manipulate environ directly ourselves, but it seems that |
| 848 |
some kernels bitch about this according to the environ man pages |
| 849 |
so we walk though environ and call unsetenv for each value. */ |
| 850 |
while (environ[0]) { |
| 851 |
tmp = xstrdup (environ[0]); |
| 852 |
p = tmp; |
| 853 |
var = strsep (&p, "="); |
| 854 |
unsetenv (var); |
| 855 |
free (tmp); |
| 856 |
} |
| 857 |
tmp = NULL; |
| 858 |
#endif |
| 859 |
|
| 860 |
STRLIST_FOREACH (env, p, i) |
| 861 |
if (strcmp (p, "RC_SOFTLEVEL") != 0 && strcmp (p, "SOFTLEVEL") != 0) |
| 862 |
putenv (p); |
| 863 |
|
| 864 |
/* We don't free our list as that would be null in environ */ |
| 865 |
} |
| 866 |
|
| 867 |
argc++; |
| 868 |
argv--; |
| 869 |
while ((opt = getopt_long (argc, argv, getoptstring, |
| 870 |
longopts, (int *) 0)) != -1) |
| 871 |
{ |
| 872 |
switch (opt) { |
| 873 |
case_RC_COMMON_GETOPT |
| 874 |
} |
| 875 |
} |
| 876 |
|
| 877 |
newlevel = argv[optind++]; |
| 878 |
|
| 879 |
/* OK, so we really are the main RC process |
| 880 |
Only root should be able to run us */ |
| 881 |
if (geteuid () != 0) |
| 882 |
eerrorx ("%s: root access required", applet); |
| 883 |
|
| 884 |
/* Enable logging */ |
| 885 |
setenv ("RC_ELOG", "rc", 1); |
| 886 |
|
| 887 |
/* Export our PID */ |
| 888 |
snprintf (pidstr, sizeof (pidstr), "%d", getpid ()); |
| 889 |
setenv ("RC_PID", pidstr, 1); |
| 890 |
|
| 891 |
interactive = exists (INTERACTIVE); |
| 892 |
rc_plugin_load (); |
| 893 |
|
| 894 |
/* Load current softlevel */ |
| 895 |
bootlevel = getenv ("RC_BOOTLEVEL"); |
| 896 |
runlevel = rc_runlevel_get (); |
| 897 |
|
| 898 |
/* Check we're in the runlevel requested, ie from |
| 899 |
rc single |
| 900 |
rc shutdown |
| 901 |
rc reboot |
| 902 |
*/ |
| 903 |
if (newlevel) { |
| 904 |
if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0 && |
| 905 |
RUNLEVEL && |
| 906 |
(strcmp (RUNLEVEL, "S") == 0 || |
| 907 |
strcmp (RUNLEVEL, "1") == 0)) |
| 908 |
{ |
| 909 |
/* OK, we're either in runlevel 1 or single user mode */ |
| 910 |
struct utsname uts; |
| 911 |
#ifdef __linux__ |
| 912 |
char *cmd; |
| 913 |
#endif |
| 914 |
|
| 915 |
/* exec init-early.sh if it exists |
| 916 |
* This should just setup the console to use the correct |
| 917 |
* font. Maybe it should setup the keyboard too? */ |
| 918 |
if (exists (INITEARLYSH)) |
| 919 |
run_script (INITEARLYSH); |
| 920 |
|
| 921 |
uname (&uts); |
| 922 |
|
| 923 |
printf ("\n"); |
| 924 |
printf (" %sGentoo/%s; %shttp://www.gentoo.org/%s" |
| 925 |
"\n Copyright 1999-2007 Gentoo Foundation; " |
| 926 |
"Distributed under the GPLv2\n\n", |
| 927 |
ecolor (ECOLOR_GOOD), uts.sysname, ecolor (ECOLOR_BRACKET), |
| 928 |
ecolor (ECOLOR_NORMAL)); |
| 929 |
|
| 930 |
if (rc_env_bool ("RC_INTERACTIVE")) |
| 931 |
printf ("Press %sI%s to enter interactive boot mode\n\n", |
| 932 |
ecolor (ECOLOR_GOOD), ecolor (ECOLOR_NORMAL)); |
| 933 |
|
| 934 |
setenv ("RC_SOFTLEVEL", newlevel, 1); |
| 935 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_IN, newlevel); |
| 936 |
run_script (INITSH); |
| 937 |
|
| 938 |
#ifdef __linux__ |
| 939 |
/* If we requested a softlevel, save it now */ |
| 940 |
set_ksoftlevel (NULL); |
| 941 |
if ((cmd = proc_getent ("softlevel"))) { |
| 942 |
set_ksoftlevel (cmd); |
| 943 |
free (cmd); |
| 944 |
} |
| 945 |
|
| 946 |
#endif |
| 947 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, newlevel); |
| 948 |
|
| 949 |
if (want_interactive ()) |
| 950 |
mark_interactive (); |
| 951 |
|
| 952 |
exit (EXIT_SUCCESS); |
| 953 |
} else if (strcmp (newlevel, RC_LEVEL_SINGLE) == 0) { |
| 954 |
if (! RUNLEVEL || |
| 955 |
(strcmp (RUNLEVEL, "S") != 0 && |
| 956 |
strcmp (RUNLEVEL, "1") != 0)) |
| 957 |
{ |
| 958 |
/* Remember the current runlevel for when we come back */ |
| 959 |
set_ksoftlevel (runlevel); |
| 960 |
single_user (); |
| 961 |
} |
| 962 |
} else if (strcmp (newlevel, RC_LEVEL_REBOOT) == 0) { |
| 963 |
if (! RUNLEVEL || |
| 964 |
strcmp (RUNLEVEL, "6") != 0) |
| 965 |
{ |
| 966 |
execl (SHUTDOWN, SHUTDOWN, "-r", "now", (char *) NULL); |
| 967 |
eerrorx ("%s: unable to exec `" SHUTDOWN "': %s", |
| 968 |
applet, strerror (errno)); |
| 969 |
} |
| 970 |
} else if (strcmp (newlevel, RC_LEVEL_SHUTDOWN) == 0) { |
| 971 |
if (! RUNLEVEL || |
| 972 |
strcmp (RUNLEVEL, "0") != 0) |
| 973 |
{ |
| 974 |
execl (SHUTDOWN, SHUTDOWN, |
| 975 |
#ifdef __linux__ |
| 976 |
"-h", |
| 977 |
#else |
| 978 |
"-p", |
| 979 |
#endif |
| 980 |
"now", (char *) NULL); |
| 981 |
eerrorx ("%s: unable to exec `" SHUTDOWN "': %s", |
| 982 |
applet, strerror (errno)); |
| 983 |
} |
| 984 |
} |
| 985 |
} |
| 986 |
|
| 987 |
/* Now we start handling our children */ |
| 988 |
signal (SIGCHLD, handle_signal); |
| 989 |
|
| 990 |
/* We should only use ksoftlevel if we were in single user mode |
| 991 |
If not, we need to erase ksoftlevel now. */ |
| 992 |
if (PREVLEVEL && |
| 993 |
(strcmp (PREVLEVEL, "1") == 0 || |
| 994 |
strcmp (PREVLEVEL, "S") == 0 || |
| 995 |
strcmp (PREVLEVEL, "N") == 0)) |
| 996 |
{ |
| 997 |
/* Try not to join boot and ksoftlevels together */ |
| 998 |
if (! newlevel || |
| 999 |
strcmp (newlevel, getenv ("RC_BOOTLEVEL")) != 0) |
| 1000 |
if (get_ksoftlevel (ksoftbuffer, sizeof (ksoftbuffer))) |
| 1001 |
newlevel = ksoftbuffer; |
| 1002 |
} else if (! RUNLEVEL || |
| 1003 |
(strcmp (RUNLEVEL, "1") != 0 && |
| 1004 |
strcmp (RUNLEVEL, "S") != 0 && |
| 1005 |
strcmp (RUNLEVEL, "N") != 0)) |
| 1006 |
{ |
| 1007 |
set_ksoftlevel (NULL); |
| 1008 |
} |
| 1009 |
|
| 1010 |
if (newlevel && |
| 1011 |
(strcmp (newlevel, RC_LEVEL_REBOOT) == 0 || |
| 1012 |
strcmp (newlevel, RC_LEVEL_SHUTDOWN) == 0 || |
| 1013 |
strcmp (newlevel, RC_LEVEL_SINGLE) == 0)) |
| 1014 |
{ |
| 1015 |
going_down = true; |
| 1016 |
rc_runlevel_set (newlevel); |
| 1017 |
setenv ("RC_SOFTLEVEL", newlevel, 1); |
| 1018 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_IN, newlevel); |
| 1019 |
} else { |
| 1020 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_IN, runlevel); |
| 1021 |
} |
| 1022 |
|
| 1023 |
/* Check if runlevel is valid if we're changing */ |
| 1024 |
if (newlevel && strcmp (runlevel, newlevel) != 0 && ! going_down) { |
| 1025 |
if (! rc_runlevel_exists (newlevel)) |
| 1026 |
eerrorx ("%s: is not a valid runlevel", newlevel); |
| 1027 |
} |
| 1028 |
|
| 1029 |
/* Load our deptree now */ |
| 1030 |
if ((deptree = _rc_deptree_load ()) == NULL) |
| 1031 |
eerrorx ("failed to load deptree"); |
| 1032 |
|
| 1033 |
/* Clean the failed services state dir now */ |
| 1034 |
if ((dp = opendir (RC_SVCDIR "/failed"))) { |
| 1035 |
while ((d = readdir (dp))) { |
| 1036 |
if (d->d_name[0] == '.' && |
| 1037 |
(d->d_name[1] == '\0' || |
| 1038 |
(d->d_name[1] == '.' && d->d_name[2] == '\0'))) |
| 1039 |
continue; |
| 1040 |
|
| 1041 |
asprintf (&tmp, RC_SVCDIR "/failed/%s", d->d_name); |
| 1042 |
if (tmp) { |
| 1043 |
if (unlink (tmp)) |
| 1044 |
eerror ("%s: unlink `%s': %s", applet, tmp, |
| 1045 |
strerror (errno)); |
| 1046 |
free (tmp); |
| 1047 |
} |
| 1048 |
} |
| 1049 |
closedir (dp); |
| 1050 |
} |
| 1051 |
|
| 1052 |
mkdir (RC_STOPPING, 0755); |
| 1053 |
|
| 1054 |
#ifdef __linux__ |
| 1055 |
/* udev likes to start services before we're ready when it does |
| 1056 |
its coldplugging thing. runscript knows when we're not ready so it |
| 1057 |
stores a list of coldplugged services in DEVBOOT for us to pick up |
| 1058 |
here when we are ready for them */ |
| 1059 |
if ((dp = opendir (DEVBOOT))) { |
| 1060 |
while ((d = readdir (dp))) { |
| 1061 |
if (d->d_name[0] == '.' && |
| 1062 |
(d->d_name[1] == '\0' || |
| 1063 |
(d->d_name[1] == '.' && d->d_name[2] == '\0'))) |
| 1064 |
continue; |
| 1065 |
|
| 1066 |
if (rc_service_exists (d->d_name) && |
| 1067 |
rc_service_plugable (d->d_name)) |
| 1068 |
rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED); |
| 1069 |
|
| 1070 |
asprintf (&tmp, DEVBOOT "/%s", d->d_name); |
| 1071 |
if (tmp) { |
| 1072 |
if (unlink (tmp)) |
| 1073 |
eerror ("%s: unlink `%s': %s", applet, tmp, |
| 1074 |
strerror (errno)); |
| 1075 |
free (tmp); |
| 1076 |
} |
| 1077 |
} |
| 1078 |
closedir (dp); |
| 1079 |
rmdir (DEVBOOT); |
| 1080 |
} |
| 1081 |
#else |
| 1082 |
/* BSD's on the other hand populate /dev automagically and use devd. |
| 1083 |
The only downside of this approach and ours is that we have to hard code |
| 1084 |
the device node to the init script to simulate the coldplug into |
| 1085 |
runlevel for our dependency tree to work. */ |
| 1086 |
if (newlevel && strcmp (newlevel, bootlevel) == 0 && |
| 1087 |
(strcmp (runlevel, RC_LEVEL_SINGLE) == 0 || |
| 1088 |
strcmp (runlevel, RC_LEVEL_SYSINIT) == 0) && |
| 1089 |
rc_env_bool ("RC_COLDPLUG")) |
| 1090 |
{ |
| 1091 |
#if defined(__DragonFly__) || defined(__FreeBSD__) |
| 1092 |
/* The net interfaces are easy - they're all in net /dev/net :) */ |
| 1093 |
if ((dp = opendir ("/dev/net"))) { |
| 1094 |
while ((d = readdir (dp))) { |
| 1095 |
i = (strlen ("net.") + strlen (d->d_name) + 1); |
| 1096 |
tmp = xmalloc (sizeof (char) * i); |
| 1097 |
snprintf (tmp, i, "net.%s", d->d_name); |
| 1098 |
if (rc_service_exists (tmp) && |
| 1099 |
rc_service_plugable (tmp)) |
| 1100 |
rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); |
| 1101 |
CHAR_FREE (tmp); |
| 1102 |
} |
| 1103 |
closedir (dp); |
| 1104 |
} |
| 1105 |
#endif |
| 1106 |
|
| 1107 |
/* The mice are a little more tricky. |
| 1108 |
If we coldplug anything else, we'll probably do it here. */ |
| 1109 |
if ((dp == opendir ("/dev"))) { |
| 1110 |
while ((d = readdir (dp))) { |
| 1111 |
if (strncmp (d->d_name, "psm", 3) == 0 || |
| 1112 |
strncmp (d->d_name, "ums", 3) == 0) |
| 1113 |
{ |
| 1114 |
char *p = d->d_name + 3; |
| 1115 |
if (p && isdigit (*p)) { |
| 1116 |
i = (strlen ("moused.") + strlen (d->d_name) + 1); |
| 1117 |
tmp = xmalloc (sizeof (char) * i); |
| 1118 |
snprintf (tmp, i, "moused.%s", d->d_name); |
| 1119 |
if (rc_service_exists (tmp) && rc_service_plugable (tmp)) |
| 1120 |
rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); |
| 1121 |
CHAR_FREE (tmp); |
| 1122 |
} |
| 1123 |
} |
| 1124 |
} |
| 1125 |
closedir (dp); |
| 1126 |
} |
| 1127 |
} |
| 1128 |
#endif |
| 1129 |
|
| 1130 |
/* Build a list of all services to stop and then work out the |
| 1131 |
correct order for stopping them */ |
| 1132 |
stop_services = rc_services_in_state (RC_SERVICE_STARTING); |
| 1133 |
|
| 1134 |
tmplist = rc_services_in_state (RC_SERVICE_INACTIVE); |
| 1135 |
rc_strlist_join (&stop_services, tmplist); |
| 1136 |
rc_strlist_free (tmplist); |
| 1137 |
|
| 1138 |
tmplist = rc_services_in_state (RC_SERVICE_STARTED); |
| 1139 |
rc_strlist_join (&stop_services, tmplist); |
| 1140 |
rc_strlist_free (tmplist); |
| 1141 |
|
| 1142 |
deporder = rc_deptree_depends (deptree, types_nua, |
| 1143 |
(const char **) stop_services, |
| 1144 |
runlevel, depoptions | RC_DEP_STOP); |
| 1145 |
|
| 1146 |
rc_strlist_free (stop_services); |
| 1147 |
stop_services = deporder; |
| 1148 |
deporder = NULL; |
| 1149 |
rc_strlist_reverse (stop_services); |
| 1150 |
|
| 1151 |
/* Load our list of coldplugged services */ |
| 1152 |
coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED); |
| 1153 |
|
| 1154 |
/* Load our start services now. |
| 1155 |
We have different rules dependent on runlevel. */ |
| 1156 |
if (newlevel && strcmp (newlevel, bootlevel) == 0) { |
| 1157 |
if (coldplugged_services) { |
| 1158 |
einfon ("Device initiated services:"); |
| 1159 |
STRLIST_FOREACH (coldplugged_services, service, i) { |
| 1160 |
printf (" %s", service); |
| 1161 |
rc_strlist_add (&start_services, service); |
| 1162 |
} |
| 1163 |
printf ("\n"); |
| 1164 |
} |
| 1165 |
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel); |
| 1166 |
rc_strlist_join (&start_services, tmplist); |
| 1167 |
rc_strlist_free (tmplist); |
| 1168 |
} else { |
| 1169 |
/* Store our list of coldplugged services */ |
| 1170 |
tmplist = rc_services_in_state (RC_SERVICE_COLDPLUGGED); |
| 1171 |
rc_strlist_join (&coldplugged_services, tmplist); |
| 1172 |
rc_strlist_free (tmplist); |
| 1173 |
if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 && |
| 1174 |
strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 && |
| 1175 |
strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0) |
| 1176 |
{ |
| 1177 |
/* We need to include the boot runlevel services if we're not in it */ |
| 1178 |
tmplist = rc_services_in_runlevel (bootlevel); |
| 1179 |
rc_strlist_join (&start_services, tmplist); |
| 1180 |
rc_strlist_free (tmplist); |
| 1181 |
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel); |
| 1182 |
rc_strlist_join (&start_services, tmplist); |
| 1183 |
rc_strlist_free (tmplist); |
| 1184 |
|
| 1185 |
STRLIST_FOREACH (coldplugged_services, service, i) |
| 1186 |
rc_strlist_add (&start_services, service); |
| 1187 |
|
| 1188 |
} |
| 1189 |
} |
| 1190 |
|
| 1191 |
/* Save out softlevel now */ |
| 1192 |
if (going_down) |
| 1193 |
rc_runlevel_set (newlevel); |
| 1194 |
|
| 1195 |
/* Now stop the services that shouldn't be running */ |
| 1196 |
STRLIST_FOREACH (stop_services, service, i) { |
| 1197 |
bool found = false; |
| 1198 |
char *conf = NULL; |
| 1199 |
char **stopdeps = NULL; |
| 1200 |
char *svc1 = NULL; |
| 1201 |
char *svc2 = NULL; |
| 1202 |
int k; |
| 1203 |
|
| 1204 |
if (rc_service_state (service) & RC_SERVICE_STOPPED) |
| 1205 |
continue; |
| 1206 |
|
| 1207 |
/* We always stop the service when in these runlevels */ |
| 1208 |
if (going_down) { |
| 1209 |
pid_t pid = rc_service_stop (service); |
| 1210 |
if (pid > 0 && ! rc_env_bool ("RC_PARALLEL")) |
| 1211 |
rc_waitpid (pid); |
| 1212 |
continue; |
| 1213 |
} |
| 1214 |
|
| 1215 |
/* If we're in the start list then don't bother stopping us */ |
| 1216 |
STRLIST_FOREACH (start_services, svc1, j) |
| 1217 |
if (strcmp (svc1, service) == 0) { |
| 1218 |
found = true; |
| 1219 |
break; |
| 1220 |
} |
| 1221 |
|
| 1222 |
/* Unless we would use a different config file */ |
| 1223 |
if (found) { |
| 1224 |
int len; |
| 1225 |
if (! newlevel) |
| 1226 |
continue; |
| 1227 |
|
| 1228 |
len = strlen (service) + strlen (runlevel) + 2; |
| 1229 |
tmp = xmalloc (sizeof (char) * len); |
| 1230 |
snprintf (tmp, len, "%s.%s", service, runlevel); |
| 1231 |
conf = rc_strcatpaths (RC_CONFDIR, tmp, (char *) NULL); |
| 1232 |
found = exists (conf); |
| 1233 |
CHAR_FREE (conf); |
| 1234 |
CHAR_FREE (tmp); |
| 1235 |
if (! found) { |
| 1236 |
len = strlen (service) + strlen (newlevel) + 2; |
| 1237 |
tmp = xmalloc (sizeof (char) * len); |
| 1238 |
snprintf (tmp, len, "%s.%s", service, newlevel); |
| 1239 |
conf = rc_strcatpaths (RC_CONFDIR, tmp, (char *) NULL); |
| 1240 |
found = exists (conf); |
| 1241 |
CHAR_FREE (conf); |
| 1242 |
CHAR_FREE (tmp); |
| 1243 |
if (!found) |
| 1244 |
continue; |
| 1245 |
} |
| 1246 |
} else { |
| 1247 |
/* Allow coldplugged services not to be in the runlevels list */ |
| 1248 |
if (rc_service_state (service) & RC_SERVICE_COLDPLUGGED) |
| 1249 |
continue; |
| 1250 |
} |
| 1251 |
|
| 1252 |
/* We got this far! Or last check is to see if any any service that |
| 1253 |
going to be started depends on us */ |
| 1254 |
rc_strlist_add (&stopdeps, service); |
| 1255 |
deporder = rc_deptree_depends (deptree, types_n, |
| 1256 |
(const char **) stopdeps, |
| 1257 |
runlevel, RC_DEP_STRICT); |
| 1258 |
rc_strlist_free (stopdeps); |
| 1259 |
stopdeps = NULL; |
| 1260 |
found = false; |
| 1261 |
STRLIST_FOREACH (deporder, svc1, j) { |
| 1262 |
STRLIST_FOREACH (start_services, svc2, k) |
| 1263 |
if (strcmp (svc1, svc2) == 0) { |
| 1264 |
found = true; |
| 1265 |
break; |
| 1266 |
} |
| 1267 |
if (found) |
| 1268 |
break; |
| 1269 |
} |
| 1270 |
rc_strlist_free (deporder); |
| 1271 |
deporder = NULL; |
| 1272 |
|
| 1273 |
/* After all that we can finally stop the blighter! */ |
| 1274 |
if (! found) { |
| 1275 |
pid_t pid = rc_service_stop (service); |
| 1276 |
if (pid > 0 && ! rc_env_bool ("RC_PARALLEL")) |
| 1277 |
rc_waitpid (pid); |
| 1278 |
} |
| 1279 |
} |
| 1280 |
|
| 1281 |
/* Wait for our services to finish */ |
| 1282 |
wait_for_services (); |
| 1283 |
|
| 1284 |
/* Notify the plugins we have finished */ |
| 1285 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_OUT, runlevel); |
| 1286 |
|
| 1287 |
rmdir (RC_STOPPING); |
| 1288 |
|
| 1289 |
/* Store the new runlevel */ |
| 1290 |
if (newlevel) { |
| 1291 |
rc_runlevel_set (newlevel); |
| 1292 |
free (runlevel); |
| 1293 |
runlevel = xstrdup (newlevel); |
| 1294 |
setenv ("RC_SOFTLEVEL", runlevel, 1); |
| 1295 |
} |
| 1296 |
|
| 1297 |
/* Run the halt script if needed */ |
| 1298 |
if (strcmp (runlevel, RC_LEVEL_SHUTDOWN) == 0 || |
| 1299 |
strcmp (runlevel, RC_LEVEL_REBOOT) == 0) |
| 1300 |
{ |
| 1301 |
execl (HALTSH, HALTSH, runlevel, (char *) NULL); |
| 1302 |
eerrorx ("%s: unable to exec `%s': %s", |
| 1303 |
applet, HALTSH, strerror (errno)); |
| 1304 |
} |
| 1305 |
|
| 1306 |
/* Single user is done now */ |
| 1307 |
if (strcmp (runlevel, RC_LEVEL_SINGLE) == 0) { |
| 1308 |
if (exists (INTERACTIVE)) |
| 1309 |
unlink (INTERACTIVE); |
| 1310 |
sulogin (false); |
| 1311 |
} |
| 1312 |
|
| 1313 |
mkdir (RC_STARTING, 0755); |
| 1314 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_IN, runlevel); |
| 1315 |
|
| 1316 |
/* Re-add our coldplugged services if they stopped */ |
| 1317 |
STRLIST_FOREACH (coldplugged_services, service, i) |
| 1318 |
rc_service_mark (service, RC_SERVICE_COLDPLUGGED); |
| 1319 |
|
| 1320 |
/* Order the services to start */ |
| 1321 |
deporder = rc_deptree_depends (deptree, types_nua, |
| 1322 |
(const char **) start_services, |
| 1323 |
runlevel, depoptions | RC_DEP_START); |
| 1324 |
rc_strlist_free (start_services); |
| 1325 |
start_services = deporder; |
| 1326 |
deporder = NULL; |
| 1327 |
|
| 1328 |
#ifdef __linux__ |
| 1329 |
/* mark any services skipped as started */ |
| 1330 |
if (PREVLEVEL && strcmp (PREVLEVEL, "N") == 0) { |
| 1331 |
if ((service = proc_getent ("noinitd"))) { |
| 1332 |
char *p = service; |
| 1333 |
char *token; |
| 1334 |
|
| 1335 |
while ((token = strsep (&p, ","))) |
| 1336 |
rc_service_mark (token, RC_SERVICE_STARTED); |
| 1337 |
free (service); |
| 1338 |
} |
| 1339 |
} |
| 1340 |
#endif |
| 1341 |
|
| 1342 |
|
| 1343 |
STRLIST_FOREACH (start_services, service, i) { |
| 1344 |
if (rc_service_state (service) & RC_SERVICE_STOPPED) { |
| 1345 |
pid_t pid; |
| 1346 |
|
| 1347 |
if (! interactive) |
| 1348 |
interactive = want_interactive (); |
| 1349 |
|
| 1350 |
if (interactive) { |
| 1351 |
interactive_retry: |
| 1352 |
printf ("\n"); |
| 1353 |
einfo ("About to start the service %s", service); |
| 1354 |
eindent (); |
| 1355 |
einfo ("1) Start the service\t\t2) Skip the service"); |
| 1356 |
einfo ("3) Continue boot process\t\t4) Exit to shell"); |
| 1357 |
eoutdent (); |
| 1358 |
interactive_option: |
| 1359 |
switch (read_key (true)) { |
| 1360 |
case '1': break; |
| 1361 |
case '2': continue; |
| 1362 |
case '3': interactive = false; break; |
| 1363 |
case '4': sulogin (true); goto interactive_retry; |
| 1364 |
default: goto interactive_option; |
| 1365 |
} |
| 1366 |
} |
| 1367 |
|
| 1368 |
/* Remember the pid if we're running in parallel */ |
| 1369 |
if ((pid = rc_service_start (service))) |
| 1370 |
add_pid (pid); |
| 1371 |
|
| 1372 |
if (! rc_env_bool ("RC_PARALLEL")) { |
| 1373 |
rc_waitpid (pid); |
| 1374 |
remove_pid (pid); |
| 1375 |
} |
| 1376 |
} |
| 1377 |
} |
| 1378 |
|
| 1379 |
/* Wait for our services to finish */ |
| 1380 |
wait_for_services (); |
| 1381 |
|
| 1382 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, runlevel); |
| 1383 |
|
| 1384 |
#ifdef __linux__ |
| 1385 |
/* mark any services skipped as stopped */ |
| 1386 |
if (PREVLEVEL && strcmp (PREVLEVEL, "N") == 0) { |
| 1387 |
if ((service = proc_getent ("noinitd"))) { |
| 1388 |
char *p = service; |
| 1389 |
char *token; |
| 1390 |
|
| 1391 |
while ((token = strsep (&p, ","))) |
| 1392 |
rc_service_mark (token, RC_SERVICE_STOPPED); |
| 1393 |
free (service); |
| 1394 |
} |
| 1395 |
} |
| 1396 |
#endif |
| 1397 |
|
| 1398 |
/* Store our interactive status for boot */ |
| 1399 |
if (interactive && strcmp (runlevel, bootlevel) == 0) |
| 1400 |
mark_interactive (); |
| 1401 |
else { |
| 1402 |
if (exists (INTERACTIVE)) |
| 1403 |
unlink (INTERACTIVE); |
| 1404 |
} |
| 1405 |
|
| 1406 |
return (EXIT_SUCCESS); |
| 1407 |
} |
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