| 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 int wait_pid (pid_t pid)
|
| 633 |
{
|
| 634 |
int status = 0;
|
| 635 |
pid_t savedpid = pid;
|
| 636 |
int retval = -1;
|
| 637 |
|
| 638 |
errno = 0;
|
| 639 |
while ((pid = waitpid (savedpid, &status, 0)) > 0) {
|
| 640 |
if (pid == savedpid)
|
| 641 |
retval = WIFEXITED (status) ? WEXITSTATUS (status) : EXIT_FAILURE;
|
| 642 |
}
|
| 643 |
|
| 644 |
return (retval);
|
| 645 |
}
|
| 646 |
|
| 647 |
static void handle_signal (int sig)
|
| 648 |
{
|
| 649 |
int serrno = errno;
|
| 650 |
char signame[10] = { '\0' };
|
| 651 |
pidlist_t *pl;
|
| 652 |
pid_t pid;
|
| 653 |
int status = 0;
|
| 654 |
|
| 655 |
switch (sig) {
|
| 656 |
case SIGCHLD:
|
| 657 |
do {
|
| 658 |
pid = waitpid (-1, &status, WNOHANG);
|
| 659 |
if (pid < 0) {
|
| 660 |
if (errno != ECHILD)
|
| 661 |
eerror ("waitpid: %s", strerror (errno));
|
| 662 |
return;
|
| 663 |
}
|
| 664 |
} while (! WIFEXITED (status) && ! WIFSIGNALED (status));
|
| 665 |
|
| 666 |
/* Remove that pid from our list */
|
| 667 |
if (pid > 0)
|
| 668 |
remove_pid (pid);
|
| 669 |
break;
|
| 670 |
|
| 671 |
case SIGINT:
|
| 672 |
if (! signame[0])
|
| 673 |
snprintf (signame, sizeof (signame), "SIGINT");
|
| 674 |
case SIGTERM:
|
| 675 |
if (! signame[0])
|
| 676 |
snprintf (signame, sizeof (signame), "SIGTERM");
|
| 677 |
case SIGQUIT:
|
| 678 |
if (! signame[0])
|
| 679 |
snprintf (signame, sizeof (signame), "SIGQUIT");
|
| 680 |
eerrorx ("%s: caught %s, aborting", applet, signame);
|
| 681 |
case SIGUSR1:
|
| 682 |
eerror ("rc: Aborting!");
|
| 683 |
/* Kill any running services we have started */
|
| 684 |
|
| 685 |
signal (SIGCHLD, SIG_IGN);
|
| 686 |
for (pl = service_pids; pl; pl = pl->next)
|
| 687 |
kill (pl->pid, SIGTERM);
|
| 688 |
|
| 689 |
/* Notify plugins we are aborting */
|
| 690 |
rc_plugin_run (RC_HOOK_ABORT, NULL);
|
| 691 |
|
| 692 |
/* Only drop into single user mode if we're booting */
|
| 693 |
if ((PREVLEVEL &&
|
| 694 |
(strcmp (PREVLEVEL, "S") == 0 ||
|
| 695 |
strcmp (PREVLEVEL, "1") == 0)) ||
|
| 696 |
(RUNLEVEL &&
|
| 697 |
(strcmp (RUNLEVEL, "S") == 0 ||
|
| 698 |
strcmp (RUNLEVEL, "1") == 0)))
|
| 699 |
single_user ();
|
| 700 |
|
| 701 |
exit (EXIT_FAILURE);
|
| 702 |
break;
|
| 703 |
|
| 704 |
default:
|
| 705 |
eerror ("%s: caught unknown signal %d", applet, sig);
|
| 706 |
}
|
| 707 |
|
| 708 |
/* Restore errno */
|
| 709 |
errno = serrno;
|
| 710 |
}
|
| 711 |
|
| 712 |
static void run_script (const char *script) {
|
| 713 |
int status = 0;
|
| 714 |
pid_t pid = vfork ();
|
| 715 |
|
| 716 |
if (pid < 0)
|
| 717 |
eerrorx ("%s: vfork: %s", applet, strerror (errno));
|
| 718 |
else if (pid == 0) {
|
| 719 |
execl (script, script, (char *) NULL);
|
| 720 |
eerror ("%s: unable to exec `%s': %s",
|
| 721 |
script, applet, strerror (errno));
|
| 722 |
_exit (EXIT_FAILURE);
|
| 723 |
}
|
| 724 |
|
| 725 |
do {
|
| 726 |
pid_t wpid = waitpid (pid, &status, 0);
|
| 727 |
if (wpid < 1)
|
| 728 |
eerror ("waitpid: %s", strerror (errno));
|
| 729 |
} while (! WIFEXITED (status) && ! WIFSIGNALED (status));
|
| 730 |
|
| 731 |
if (! WIFEXITED (status) || ! WEXITSTATUS (status) == 0)
|
| 732 |
eerrorx ("%s: failed to exec `%s'", applet, script);
|
| 733 |
}
|
| 734 |
|
| 735 |
#include "_usage.h"
|
| 736 |
#define getoptstring getoptstring_COMMON
|
| 737 |
static struct option longopts[] = {
|
| 738 |
longopts_COMMON
|
| 739 |
};
|
| 740 |
static const char * const longopts_help[] = {
|
| 741 |
longopts_help_COMMON
|
| 742 |
};
|
| 743 |
#include "_usage.c"
|
| 744 |
|
| 745 |
int main (int argc, char **argv)
|
| 746 |
{
|
| 747 |
const char *bootlevel = NULL;
|
| 748 |
char *newlevel = NULL;
|
| 749 |
char *service = NULL;
|
| 750 |
char **deporder = NULL;
|
| 751 |
char **tmplist;
|
| 752 |
int i = 0;
|
| 753 |
int j = 0;
|
| 754 |
bool going_down = false;
|
| 755 |
bool interactive = false;
|
| 756 |
int depoptions = RC_DEP_STRICT | RC_DEP_TRACE;
|
| 757 |
char ksoftbuffer [PATH_MAX];
|
| 758 |
char pidstr[6];
|
| 759 |
int opt;
|
| 760 |
DIR *dp;
|
| 761 |
struct dirent *d;
|
| 762 |
|
| 763 |
atexit (cleanup);
|
| 764 |
if (argv[0])
|
| 765 |
applet = xstrdup (basename (argv[0]));
|
| 766 |
|
| 767 |
if (! applet)
|
| 768 |
eerrorx ("arguments required");
|
| 769 |
|
| 770 |
/* These used to be programs in their own right, so we shouldn't
|
| 771 |
* touch argc or argv for them */
|
| 772 |
if (strcmp (applet, "env-update") == 0)
|
| 773 |
exit (env_update (argc, argv));
|
| 774 |
else if (strcmp (applet, "fstabinfo") == 0)
|
| 775 |
exit (fstabinfo (argc, argv));
|
| 776 |
else if (strcmp (applet, "mountinfo") == 0)
|
| 777 |
exit (mountinfo (argc, argv));
|
| 778 |
else if (strcmp (applet, "rc-depend") == 0)
|
| 779 |
exit (rc_depend (argc, argv));
|
| 780 |
else if (strcmp (applet, "rc-status") == 0)
|
| 781 |
exit (rc_status (argc, argv));
|
| 782 |
else if (strcmp (applet, "rc-update") == 0 ||
|
| 783 |
strcmp (applet, "update-rc") == 0)
|
| 784 |
exit (rc_update (argc, argv));
|
| 785 |
else if (strcmp (applet, "runscript") == 0)
|
| 786 |
exit (runscript (argc, argv));
|
| 787 |
else if (strcmp (applet, "start-stop-daemon") == 0)
|
| 788 |
exit (start_stop_daemon (argc, argv));
|
| 789 |
else if (strcmp (applet, "checkown") == 0)
|
| 790 |
exit (checkown (argc, argv));
|
| 791 |
|
| 792 |
argc--;
|
| 793 |
argv++;
|
| 794 |
|
| 795 |
/* Handle multicall stuff */
|
| 796 |
if (applet[0] == 'e' || (applet[0] == 'v' && applet[1] == 'e'))
|
| 797 |
exit (do_e (argc, argv));
|
| 798 |
|
| 799 |
if (strncmp (applet, "service_", strlen ("service_")) == 0)
|
| 800 |
exit (do_service (argc, argv));
|
| 801 |
|
| 802 |
if (strcmp (applet, "get_options") == 0 ||
|
| 803 |
strcmp (applet, "save_options") == 0)
|
| 804 |
exit (do_options (argc, argv));
|
| 805 |
|
| 806 |
if (strncmp (applet, "mark_service_", strlen ("mark_service_")) == 0)
|
| 807 |
exit (do_mark_service (argc, argv));
|
| 808 |
|
| 809 |
if (strcmp (applet, "is_runlevel_start") == 0)
|
| 810 |
exit (rc_runlevel_starting () ? 0 : 1);
|
| 811 |
else if (strcmp (applet, "is_runlevel_stop") == 0)
|
| 812 |
exit (rc_runlevel_stopping () ? 0 : 1);
|
| 813 |
|
| 814 |
if (strcmp (applet, "rc-abort") == 0) {
|
| 815 |
char *p = getenv ("RC_PID");
|
| 816 |
pid_t pid = 0;
|
| 817 |
|
| 818 |
if (p && sscanf (p, "%d", &pid) == 1) {
|
| 819 |
if (kill (pid, SIGUSR1) != 0)
|
| 820 |
eerrorx ("rc-abort: failed to signal parent %d: %s",
|
| 821 |
pid, strerror (errno));
|
| 822 |
exit (EXIT_SUCCESS);
|
| 823 |
}
|
| 824 |
exit (EXIT_FAILURE);
|
| 825 |
}
|
| 826 |
|
| 827 |
if (strcmp (applet, "rc" ) != 0)
|
| 828 |
eerrorx ("%s: unknown applet", applet);
|
| 829 |
|
| 830 |
/* Change dir to / to ensure all scripts don't use stuff in pwd */
|
| 831 |
chdir ("/");
|
| 832 |
|
| 833 |
/* RUNLEVEL is set by sysvinit as is a magic number
|
| 834 |
RC_SOFTLEVEL is set by us and is the name for this magic number
|
| 835 |
even though all our userland documentation refers to runlevel */
|
| 836 |
RUNLEVEL = getenv ("RUNLEVEL");
|
| 837 |
PREVLEVEL = getenv ("PREVLEVEL");
|
| 838 |
|
| 839 |
/* Setup a signal handler */
|
| 840 |
signal (SIGINT, handle_signal);
|
| 841 |
signal (SIGQUIT, handle_signal);
|
| 842 |
signal (SIGTERM, handle_signal);
|
| 843 |
signal (SIGUSR1, handle_signal);
|
| 844 |
|
| 845 |
/* Ensure our environment is pure
|
| 846 |
Also, add our configuration to it */
|
| 847 |
env = env_filter ();
|
| 848 |
tmplist = env_config ();
|
| 849 |
rc_strlist_join (&env, tmplist);
|
| 850 |
rc_strlist_free (tmplist);
|
| 851 |
|
| 852 |
if (env) {
|
| 853 |
char *p;
|
| 854 |
|
| 855 |
#ifdef __linux__
|
| 856 |
/* clearenv isn't portable, but there's no harm in using it
|
| 857 |
if we have it */
|
| 858 |
clearenv ();
|
| 859 |
#else
|
| 860 |
char *var;
|
| 861 |
/* No clearenv present here then.
|
| 862 |
We could manipulate environ directly ourselves, but it seems that
|
| 863 |
some kernels bitch about this according to the environ man pages
|
| 864 |
so we walk though environ and call unsetenv for each value. */
|
| 865 |
while (environ[0]) {
|
| 866 |
tmp = xstrdup (environ[0]);
|
| 867 |
p = tmp;
|
| 868 |
var = strsep (&p, "=");
|
| 869 |
unsetenv (var);
|
| 870 |
free (tmp);
|
| 871 |
}
|
| 872 |
tmp = NULL;
|
| 873 |
#endif
|
| 874 |
|
| 875 |
STRLIST_FOREACH (env, p, i)
|
| 876 |
if (strcmp (p, "RC_SOFTLEVEL") != 0 && strcmp (p, "SOFTLEVEL") != 0)
|
| 877 |
putenv (p);
|
| 878 |
|
| 879 |
/* We don't free our list as that would be null in environ */
|
| 880 |
}
|
| 881 |
|
| 882 |
argc++;
|
| 883 |
argv--;
|
| 884 |
while ((opt = getopt_long (argc, argv, getoptstring,
|
| 885 |
longopts, (int *) 0)) != -1)
|
| 886 |
{
|
| 887 |
switch (opt) {
|
| 888 |
case_RC_COMMON_GETOPT
|
| 889 |
}
|
| 890 |
}
|
| 891 |
|
| 892 |
newlevel = argv[optind++];
|
| 893 |
|
| 894 |
/* OK, so we really are the main RC process
|
| 895 |
Only root should be able to run us */
|
| 896 |
if (geteuid () != 0)
|
| 897 |
eerrorx ("%s: root access required", applet);
|
| 898 |
|
| 899 |
/* Enable logging */
|
| 900 |
setenv ("RC_ELOG", "rc", 1);
|
| 901 |
|
| 902 |
/* Export our PID */
|
| 903 |
snprintf (pidstr, sizeof (pidstr), "%d", getpid ());
|
| 904 |
setenv ("RC_PID", pidstr, 1);
|
| 905 |
|
| 906 |
interactive = exists (INTERACTIVE);
|
| 907 |
rc_plugin_load ();
|
| 908 |
|
| 909 |
/* Load current softlevel */
|
| 910 |
bootlevel = getenv ("RC_BOOTLEVEL");
|
| 911 |
runlevel = rc_runlevel_get ();
|
| 912 |
|
| 913 |
/* Check we're in the runlevel requested, ie from
|
| 914 |
rc single
|
| 915 |
rc shutdown
|
| 916 |
rc reboot
|
| 917 |
*/
|
| 918 |
if (newlevel) {
|
| 919 |
if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0 &&
|
| 920 |
RUNLEVEL &&
|
| 921 |
(strcmp (RUNLEVEL, "S") == 0 ||
|
| 922 |
strcmp (RUNLEVEL, "1") == 0))
|
| 923 |
{
|
| 924 |
/* OK, we're either in runlevel 1 or single user mode */
|
| 925 |
struct utsname uts;
|
| 926 |
#ifdef __linux__
|
| 927 |
char *cmd;
|
| 928 |
#endif
|
| 929 |
|
| 930 |
/* exec init-early.sh if it exists
|
| 931 |
* This should just setup the console to use the correct
|
| 932 |
* font. Maybe it should setup the keyboard too? */
|
| 933 |
if (exists (INITEARLYSH))
|
| 934 |
run_script (INITEARLYSH);
|
| 935 |
|
| 936 |
uname (&uts);
|
| 937 |
|
| 938 |
printf ("\n");
|
| 939 |
printf (" %sGentoo/%s; %shttp://www.gentoo.org/%s"
|
| 940 |
"\n Copyright 1999-2007 Gentoo Foundation; "
|
| 941 |
"Distributed under the GPLv2\n\n",
|
| 942 |
ecolor (ECOLOR_GOOD), uts.sysname, ecolor (ECOLOR_BRACKET),
|
| 943 |
ecolor (ECOLOR_NORMAL));
|
| 944 |
|
| 945 |
if (rc_env_bool ("RC_INTERACTIVE"))
|
| 946 |
printf ("Press %sI%s to enter interactive boot mode\n\n",
|
| 947 |
ecolor (ECOLOR_GOOD), ecolor (ECOLOR_NORMAL));
|
| 948 |
|
| 949 |
setenv ("RC_SOFTLEVEL", newlevel, 1);
|
| 950 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_IN, newlevel);
|
| 951 |
run_script (INITSH);
|
| 952 |
|
| 953 |
#ifdef __linux__
|
| 954 |
/* If we requested a softlevel, save it now */
|
| 955 |
set_ksoftlevel (NULL);
|
| 956 |
if ((cmd = proc_getent ("softlevel"))) {
|
| 957 |
set_ksoftlevel (cmd);
|
| 958 |
free (cmd);
|
| 959 |
}
|
| 960 |
|
| 961 |
#endif
|
| 962 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, newlevel);
|
| 963 |
|
| 964 |
if (want_interactive ())
|
| 965 |
mark_interactive ();
|
| 966 |
|
| 967 |
exit (EXIT_SUCCESS);
|
| 968 |
} else if (strcmp (newlevel, RC_LEVEL_SINGLE) == 0) {
|
| 969 |
if (! RUNLEVEL ||
|
| 970 |
(strcmp (RUNLEVEL, "S") != 0 &&
|
| 971 |
strcmp (RUNLEVEL, "1") != 0))
|
| 972 |
{
|
| 973 |
/* Remember the current runlevel for when we come back */
|
| 974 |
set_ksoftlevel (runlevel);
|
| 975 |
single_user ();
|
| 976 |
}
|
| 977 |
} else if (strcmp (newlevel, RC_LEVEL_REBOOT) == 0) {
|
| 978 |
if (! RUNLEVEL ||
|
| 979 |
strcmp (RUNLEVEL, "6") != 0)
|
| 980 |
{
|
| 981 |
execl (SHUTDOWN, SHUTDOWN, "-r", "now", (char *) NULL);
|
| 982 |
eerrorx ("%s: unable to exec `" SHUTDOWN "': %s",
|
| 983 |
applet, strerror (errno));
|
| 984 |
}
|
| 985 |
} else if (strcmp (newlevel, RC_LEVEL_SHUTDOWN) == 0) {
|
| 986 |
if (! RUNLEVEL ||
|
| 987 |
strcmp (RUNLEVEL, "0") != 0)
|
| 988 |
{
|
| 989 |
execl (SHUTDOWN, SHUTDOWN,
|
| 990 |
#ifdef __linux__
|
| 991 |
"-h",
|
| 992 |
#else
|
| 993 |
"-p",
|
| 994 |
#endif
|
| 995 |
"now", (char *) NULL);
|
| 996 |
eerrorx ("%s: unable to exec `" SHUTDOWN "': %s",
|
| 997 |
applet, strerror (errno));
|
| 998 |
}
|
| 999 |
}
|
| 1000 |
}
|
| 1001 |
|
| 1002 |
/* Now we start handling our children */
|
| 1003 |
signal (SIGCHLD, handle_signal);
|
| 1004 |
|
| 1005 |
/* We should only use ksoftlevel if we were in single user mode
|
| 1006 |
If not, we need to erase ksoftlevel now. */
|
| 1007 |
if (PREVLEVEL &&
|
| 1008 |
(strcmp (PREVLEVEL, "1") == 0 ||
|
| 1009 |
strcmp (PREVLEVEL, "S") == 0 ||
|
| 1010 |
strcmp (PREVLEVEL, "N") == 0))
|
| 1011 |
{
|
| 1012 |
/* Try not to join boot and ksoftlevels together */
|
| 1013 |
if (! newlevel ||
|
| 1014 |
strcmp (newlevel, getenv ("RC_BOOTLEVEL")) != 0)
|
| 1015 |
if (get_ksoftlevel (ksoftbuffer, sizeof (ksoftbuffer)))
|
| 1016 |
newlevel = ksoftbuffer;
|
| 1017 |
} else if (! RUNLEVEL ||
|
| 1018 |
(strcmp (RUNLEVEL, "1") != 0 &&
|
| 1019 |
strcmp (RUNLEVEL, "S") != 0 &&
|
| 1020 |
strcmp (RUNLEVEL, "N") != 0))
|
| 1021 |
{
|
| 1022 |
set_ksoftlevel (NULL);
|
| 1023 |
}
|
| 1024 |
|
| 1025 |
if (newlevel &&
|
| 1026 |
(strcmp (newlevel, RC_LEVEL_REBOOT) == 0 ||
|
| 1027 |
strcmp (newlevel, RC_LEVEL_SHUTDOWN) == 0 ||
|
| 1028 |
strcmp (newlevel, RC_LEVEL_SINGLE) == 0))
|
| 1029 |
{
|
| 1030 |
going_down = true;
|
| 1031 |
rc_runlevel_set (newlevel);
|
| 1032 |
setenv ("RC_SOFTLEVEL", newlevel, 1);
|
| 1033 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_IN, newlevel);
|
| 1034 |
} else {
|
| 1035 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_IN, runlevel);
|
| 1036 |
}
|
| 1037 |
|
| 1038 |
/* Check if runlevel is valid if we're changing */
|
| 1039 |
if (newlevel && strcmp (runlevel, newlevel) != 0 && ! going_down) {
|
| 1040 |
if (! rc_runlevel_exists (newlevel))
|
| 1041 |
eerrorx ("%s: is not a valid runlevel", newlevel);
|
| 1042 |
}
|
| 1043 |
|
| 1044 |
/* Load our deptree now */
|
| 1045 |
if ((deptree = _rc_deptree_load ()) == NULL)
|
| 1046 |
eerrorx ("failed to load deptree");
|
| 1047 |
|
| 1048 |
/* Clean the failed services state dir now */
|
| 1049 |
if ((dp = opendir (RC_SVCDIR "/failed"))) {
|
| 1050 |
while ((d = readdir (dp))) {
|
| 1051 |
if (d->d_name[0] == '.' &&
|
| 1052 |
(d->d_name[1] == '\0' ||
|
| 1053 |
(d->d_name[1] == '.' && d->d_name[2] == '\0')))
|
| 1054 |
continue;
|
| 1055 |
|
| 1056 |
asprintf (&tmp, RC_SVCDIR "/failed/%s", d->d_name);
|
| 1057 |
if (tmp) {
|
| 1058 |
if (unlink (tmp))
|
| 1059 |
eerror ("%s: unlink `%s': %s", applet, tmp,
|
| 1060 |
strerror (errno));
|
| 1061 |
free (tmp);
|
| 1062 |
}
|
| 1063 |
}
|
| 1064 |
closedir (dp);
|
| 1065 |
}
|
| 1066 |
|
| 1067 |
mkdir (RC_STOPPING, 0755);
|
| 1068 |
|
| 1069 |
#ifdef __linux__
|
| 1070 |
/* udev likes to start services before we're ready when it does
|
| 1071 |
its coldplugging thing. runscript knows when we're not ready so it
|
| 1072 |
stores a list of coldplugged services in DEVBOOT for us to pick up
|
| 1073 |
here when we are ready for them */
|
| 1074 |
if ((dp = opendir (DEVBOOT))) {
|
| 1075 |
while ((d = readdir (dp))) {
|
| 1076 |
if (d->d_name[0] == '.' &&
|
| 1077 |
(d->d_name[1] == '\0' ||
|
| 1078 |
(d->d_name[1] == '.' && d->d_name[2] == '\0')))
|
| 1079 |
continue;
|
| 1080 |
|
| 1081 |
if (rc_service_exists (d->d_name) &&
|
| 1082 |
rc_service_plugable (d->d_name))
|
| 1083 |
rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED);
|
| 1084 |
|
| 1085 |
asprintf (&tmp, DEVBOOT "/%s", d->d_name);
|
| 1086 |
if (tmp) {
|
| 1087 |
if (unlink (tmp))
|
| 1088 |
eerror ("%s: unlink `%s': %s", applet, tmp,
|
| 1089 |
strerror (errno));
|
| 1090 |
free (tmp);
|
| 1091 |
}
|
| 1092 |
}
|
| 1093 |
closedir (dp);
|
| 1094 |
rmdir (DEVBOOT);
|
| 1095 |
}
|
| 1096 |
#else
|
| 1097 |
/* BSD's on the other hand populate /dev automagically and use devd.
|
| 1098 |
The only downside of this approach and ours is that we have to hard code
|
| 1099 |
the device node to the init script to simulate the coldplug into
|
| 1100 |
runlevel for our dependency tree to work. */
|
| 1101 |
if (newlevel && strcmp (newlevel, bootlevel) == 0 &&
|
| 1102 |
(strcmp (runlevel, RC_LEVEL_SINGLE) == 0 ||
|
| 1103 |
strcmp (runlevel, RC_LEVEL_SYSINIT) == 0) &&
|
| 1104 |
rc_env_bool ("RC_COLDPLUG"))
|
| 1105 |
{
|
| 1106 |
#if defined(__DragonFly__) || defined(__FreeBSD__)
|
| 1107 |
/* The net interfaces are easy - they're all in net /dev/net :) */
|
| 1108 |
if ((dp = opendir ("/dev/net"))) {
|
| 1109 |
while ((d = readdir (dp))) {
|
| 1110 |
i = (strlen ("net.") + strlen (d->d_name) + 1);
|
| 1111 |
tmp = xmalloc (sizeof (char) * i);
|
| 1112 |
snprintf (tmp, i, "net.%s", d->d_name);
|
| 1113 |
if (rc_service_exists (tmp) &&
|
| 1114 |
rc_service_plugable (tmp))
|
| 1115 |
rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
|
| 1116 |
CHAR_FREE (tmp);
|
| 1117 |
}
|
| 1118 |
closedir (dp);
|
| 1119 |
}
|
| 1120 |
#endif
|
| 1121 |
|
| 1122 |
/* The mice are a little more tricky.
|
| 1123 |
If we coldplug anything else, we'll probably do it here. */
|
| 1124 |
if ((dp == opendir ("/dev"))) {
|
| 1125 |
while ((d = readdir (dp))) {
|
| 1126 |
if (strncmp (d->d_name, "psm", 3) == 0 ||
|
| 1127 |
strncmp (d->d_name, "ums", 3) == 0)
|
| 1128 |
{
|
| 1129 |
char *p = d->d_name + 3;
|
| 1130 |
if (p && isdigit (*p)) {
|
| 1131 |
i = (strlen ("moused.") + strlen (d->d_name) + 1);
|
| 1132 |
tmp = xmalloc (sizeof (char) * i);
|
| 1133 |
snprintf (tmp, i, "moused.%s", d->d_name);
|
| 1134 |
if (rc_service_exists (tmp) && rc_service_plugable (tmp))
|
| 1135 |
rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
|
| 1136 |
CHAR_FREE (tmp);
|
| 1137 |
}
|
| 1138 |
}
|
| 1139 |
}
|
| 1140 |
closedir (dp);
|
| 1141 |
}
|
| 1142 |
}
|
| 1143 |
#endif
|
| 1144 |
|
| 1145 |
/* Build a list of all services to stop and then work out the
|
| 1146 |
correct order for stopping them */
|
| 1147 |
stop_services = rc_services_in_state (RC_SERVICE_STARTING);
|
| 1148 |
|
| 1149 |
tmplist = rc_services_in_state (RC_SERVICE_INACTIVE);
|
| 1150 |
rc_strlist_join (&stop_services, tmplist);
|
| 1151 |
rc_strlist_free (tmplist);
|
| 1152 |
|
| 1153 |
tmplist = rc_services_in_state (RC_SERVICE_STARTED);
|
| 1154 |
rc_strlist_join (&stop_services, tmplist);
|
| 1155 |
rc_strlist_free (tmplist);
|
| 1156 |
|
| 1157 |
deporder = rc_deptree_depends (deptree, types_nua,
|
| 1158 |
(const char **) stop_services,
|
| 1159 |
runlevel, depoptions | RC_DEP_STOP);
|
| 1160 |
|
| 1161 |
rc_strlist_free (stop_services);
|
| 1162 |
stop_services = deporder;
|
| 1163 |
deporder = NULL;
|
| 1164 |
rc_strlist_reverse (stop_services);
|
| 1165 |
|
| 1166 |
/* Load our list of coldplugged services */
|
| 1167 |
coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED);
|
| 1168 |
|
| 1169 |
/* Load our start services now.
|
| 1170 |
We have different rules dependent on runlevel. */
|
| 1171 |
if (newlevel && strcmp (newlevel, bootlevel) == 0) {
|
| 1172 |
if (coldplugged_services) {
|
| 1173 |
einfon ("Device initiated services:");
|
| 1174 |
STRLIST_FOREACH (coldplugged_services, service, i) {
|
| 1175 |
printf (" %s", service);
|
| 1176 |
rc_strlist_add (&start_services, service);
|
| 1177 |
}
|
| 1178 |
printf ("\n");
|
| 1179 |
}
|
| 1180 |
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel);
|
| 1181 |
rc_strlist_join (&start_services, tmplist);
|
| 1182 |
rc_strlist_free (tmplist);
|
| 1183 |
} else {
|
| 1184 |
/* Store our list of coldplugged services */
|
| 1185 |
tmplist = rc_services_in_state (RC_SERVICE_COLDPLUGGED);
|
| 1186 |
rc_strlist_join (&coldplugged_services, tmplist);
|
| 1187 |
rc_strlist_free (tmplist);
|
| 1188 |
if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 &&
|
| 1189 |
strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 &&
|
| 1190 |
strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0)
|
| 1191 |
{
|
| 1192 |
/* We need to include the boot runlevel services if we're not in it */
|
| 1193 |
tmplist = rc_services_in_runlevel (bootlevel);
|
| 1194 |
rc_strlist_join (&start_services, tmplist);
|
| 1195 |
rc_strlist_free (tmplist);
|
| 1196 |
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel);
|
| 1197 |
rc_strlist_join (&start_services, tmplist);
|
| 1198 |
rc_strlist_free (tmplist);
|
| 1199 |
|
| 1200 |
STRLIST_FOREACH (coldplugged_services, service, i)
|
| 1201 |
rc_strlist_add (&start_services, service);
|
| 1202 |
|
| 1203 |
}
|
| 1204 |
}
|
| 1205 |
|
| 1206 |
/* Save out softlevel now */
|
| 1207 |
if (going_down)
|
| 1208 |
rc_runlevel_set (newlevel);
|
| 1209 |
|
| 1210 |
/* Now stop the services that shouldn't be running */
|
| 1211 |
STRLIST_FOREACH (stop_services, service, i) {
|
| 1212 |
bool found = false;
|
| 1213 |
char *conf = NULL;
|
| 1214 |
char **stopdeps = NULL;
|
| 1215 |
char *svc1 = NULL;
|
| 1216 |
char *svc2 = NULL;
|
| 1217 |
int k;
|
| 1218 |
|
| 1219 |
if (rc_service_state (service) & RC_SERVICE_STOPPED)
|
| 1220 |
continue;
|
| 1221 |
|
| 1222 |
/* We always stop the service when in these runlevels */
|
| 1223 |
if (going_down) {
|
| 1224 |
pid_t pid = rc_service_stop (service);
|
| 1225 |
if (pid > 0 && ! rc_env_bool ("RC_PARALLEL"))
|
| 1226 |
wait_pid (pid);
|
| 1227 |
continue;
|
| 1228 |
}
|
| 1229 |
|
| 1230 |
/* If we're in the start list then don't bother stopping us */
|
| 1231 |
STRLIST_FOREACH (start_services, svc1, j)
|
| 1232 |
if (strcmp (svc1, service) == 0) {
|
| 1233 |
found = true;
|
| 1234 |
break;
|
| 1235 |
}
|
| 1236 |
|
| 1237 |
/* Unless we would use a different config file */
|
| 1238 |
if (found) {
|
| 1239 |
int len;
|
| 1240 |
if (! newlevel)
|
| 1241 |
continue;
|
| 1242 |
|
| 1243 |
len = strlen (service) + strlen (runlevel) + 2;
|
| 1244 |
tmp = xmalloc (sizeof (char) * len);
|
| 1245 |
snprintf (tmp, len, "%s.%s", service, runlevel);
|
| 1246 |
conf = rc_strcatpaths (RC_CONFDIR, tmp, (char *) NULL);
|
| 1247 |
found = exists (conf);
|
| 1248 |
CHAR_FREE (conf);
|
| 1249 |
CHAR_FREE (tmp);
|
| 1250 |
if (! found) {
|
| 1251 |
len = strlen (service) + strlen (newlevel) + 2;
|
| 1252 |
tmp = xmalloc (sizeof (char) * len);
|
| 1253 |
snprintf (tmp, len, "%s.%s", service, newlevel);
|
| 1254 |
conf = rc_strcatpaths (RC_CONFDIR, tmp, (char *) NULL);
|
| 1255 |
found = exists (conf);
|
| 1256 |
CHAR_FREE (conf);
|
| 1257 |
CHAR_FREE (tmp);
|
| 1258 |
if (!found)
|
| 1259 |
continue;
|
| 1260 |
}
|
| 1261 |
} else {
|
| 1262 |
/* Allow coldplugged services not to be in the runlevels list */
|
| 1263 |
if (rc_service_state (service) & RC_SERVICE_COLDPLUGGED)
|
| 1264 |
continue;
|
| 1265 |
}
|
| 1266 |
|
| 1267 |
/* We got this far! Or last check is to see if any any service that
|
| 1268 |
going to be started depends on us */
|
| 1269 |
rc_strlist_add (&stopdeps, service);
|
| 1270 |
deporder = rc_deptree_depends (deptree, types_n,
|
| 1271 |
(const char **) stopdeps,
|
| 1272 |
runlevel, RC_DEP_STRICT);
|
| 1273 |
rc_strlist_free (stopdeps);
|
| 1274 |
stopdeps = NULL;
|
| 1275 |
found = false;
|
| 1276 |
STRLIST_FOREACH (deporder, svc1, j) {
|
| 1277 |
STRLIST_FOREACH (start_services, svc2, k)
|
| 1278 |
if (strcmp (svc1, svc2) == 0) {
|
| 1279 |
found = true;
|
| 1280 |
break;
|
| 1281 |
}
|
| 1282 |
if (found)
|
| 1283 |
break;
|
| 1284 |
}
|
| 1285 |
rc_strlist_free (deporder);
|
| 1286 |
deporder = NULL;
|
| 1287 |
|
| 1288 |
/* After all that we can finally stop the blighter! */
|
| 1289 |
if (! found) {
|
| 1290 |
pid_t pid = rc_service_stop (service);
|
| 1291 |
if (pid > 0 && ! rc_env_bool ("RC_PARALLEL"))
|
| 1292 |
wait_pid (pid);
|
| 1293 |
}
|
| 1294 |
}
|
| 1295 |
|
| 1296 |
/* Wait for our services to finish */
|
| 1297 |
wait_for_services ();
|
| 1298 |
|
| 1299 |
/* Notify the plugins we have finished */
|
| 1300 |
rc_plugin_run (RC_HOOK_RUNLEVEL_STOP_OUT, runlevel);
|
| 1301 |
|
| 1302 |
rmdir (RC_STOPPING);
|
| 1303 |
|
| 1304 |
/* Store the new runlevel */
|
| 1305 |
if (newlevel) {
|
| 1306 |
rc_runlevel_set (newlevel);
|
| 1307 |
free (runlevel);
|
| 1308 |
runlevel = xstrdup (newlevel);
|
| 1309 |
setenv ("RC_SOFTLEVEL", runlevel, 1);
|
| 1310 |
}
|
| 1311 |
|
| 1312 |
/* Run the halt script if needed */
|
| 1313 |
if (strcmp (runlevel, RC_LEVEL_SHUTDOWN) == 0 ||
|
| 1314 |
strcmp (runlevel, RC_LEVEL_REBOOT) == 0)
|
| 1315 |
{
|
| 1316 |
execl (HALTSH, HALTSH, runlevel, (char *) NULL);
|
| 1317 |
eerrorx ("%s: unable to exec `%s': %s",
|
| 1318 |
applet, HALTSH, strerror (errno));
|
| 1319 |
}
|
| 1320 |
|
| 1321 |
/* Single user is done now */
|
| 1322 |
if (strcmp (runlevel, RC_LEVEL_SINGLE) == 0) {
|
| 1323 |
if (exists (INTERACTIVE))
|
| 1324 |
unlink (INTERACTIVE);
|
| 1325 |
sulogin (false);
|
| 1326 |
}
|
| 1327 |
|
| 1328 |
mkdir (RC_STARTING, 0755);
|
| 1329 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_IN, runlevel);
|
| 1330 |
|
| 1331 |
/* Re-add our coldplugged services if they stopped */
|
| 1332 |
STRLIST_FOREACH (coldplugged_services, service, i)
|
| 1333 |
rc_service_mark (service, RC_SERVICE_COLDPLUGGED);
|
| 1334 |
|
| 1335 |
/* Order the services to start */
|
| 1336 |
deporder = rc_deptree_depends (deptree, types_nua,
|
| 1337 |
(const char **) start_services,
|
| 1338 |
runlevel, depoptions | RC_DEP_START);
|
| 1339 |
rc_strlist_free (start_services);
|
| 1340 |
start_services = deporder;
|
| 1341 |
deporder = NULL;
|
| 1342 |
|
| 1343 |
#ifdef __linux__
|
| 1344 |
/* mark any services skipped as started */
|
| 1345 |
if (PREVLEVEL && strcmp (PREVLEVEL, "N") == 0) {
|
| 1346 |
if ((service = proc_getent ("noinitd"))) {
|
| 1347 |
char *p = service;
|
| 1348 |
char *token;
|
| 1349 |
|
| 1350 |
while ((token = strsep (&p, ",")))
|
| 1351 |
rc_service_mark (token, RC_SERVICE_STARTED);
|
| 1352 |
free (service);
|
| 1353 |
}
|
| 1354 |
}
|
| 1355 |
#endif
|
| 1356 |
|
| 1357 |
|
| 1358 |
STRLIST_FOREACH (start_services, service, i) {
|
| 1359 |
if (rc_service_state (service) & RC_SERVICE_STOPPED) {
|
| 1360 |
pid_t pid;
|
| 1361 |
|
| 1362 |
if (! interactive)
|
| 1363 |
interactive = want_interactive ();
|
| 1364 |
|
| 1365 |
if (interactive) {
|
| 1366 |
interactive_retry:
|
| 1367 |
printf ("\n");
|
| 1368 |
einfo ("About to start the service %s", service);
|
| 1369 |
eindent ();
|
| 1370 |
einfo ("1) Start the service\t\t2) Skip the service");
|
| 1371 |
einfo ("3) Continue boot process\t\t4) Exit to shell");
|
| 1372 |
eoutdent ();
|
| 1373 |
interactive_option:
|
| 1374 |
switch (read_key (true)) {
|
| 1375 |
case '1': break;
|
| 1376 |
case '2': continue;
|
| 1377 |
case '3': interactive = false; break;
|
| 1378 |
case '4': sulogin (true); goto interactive_retry;
|
| 1379 |
default: goto interactive_option;
|
| 1380 |
}
|
| 1381 |
}
|
| 1382 |
|
| 1383 |
/* Remember the pid if we're running in parallel */
|
| 1384 |
if ((pid = rc_service_start (service)))
|
| 1385 |
add_pid (pid);
|
| 1386 |
|
| 1387 |
if (! rc_env_bool ("RC_PARALLEL")) {
|
| 1388 |
wait_pid (pid);
|
| 1389 |
remove_pid (pid);
|
| 1390 |
}
|
| 1391 |
}
|
| 1392 |
}
|
| 1393 |
|
| 1394 |
/* Wait for our services to finish */
|
| 1395 |
wait_for_services ();
|
| 1396 |
|
| 1397 |
rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, runlevel);
|
| 1398 |
|
| 1399 |
#ifdef __linux__
|
| 1400 |
/* mark any services skipped as stopped */
|
| 1401 |
if (PREVLEVEL && strcmp (PREVLEVEL, "N") == 0) {
|
| 1402 |
if ((service = proc_getent ("noinitd"))) {
|
| 1403 |
char *p = service;
|
| 1404 |
char *token;
|
| 1405 |
|
| 1406 |
while ((token = strsep (&p, ",")))
|
| 1407 |
rc_service_mark (token, RC_SERVICE_STOPPED);
|
| 1408 |
free (service);
|
| 1409 |
}
|
| 1410 |
}
|
| 1411 |
#endif
|
| 1412 |
|
| 1413 |
/* Store our interactive status for boot */
|
| 1414 |
if (interactive && strcmp (runlevel, bootlevel) == 0)
|
| 1415 |
mark_interactive ();
|
| 1416 |
else {
|
| 1417 |
if (exists (INTERACTIVE))
|
| 1418 |
unlink (INTERACTIVE);
|
| 1419 |
}
|
| 1420 |
|
| 1421 |
return (EXIT_SUCCESS);
|
| 1422 |
}
|
| 1423 |
|
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