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-rw-r--r--src/rc/rc.c281
1 files changed, 134 insertions, 147 deletions
diff --git a/src/rc/rc.c b/src/rc/rc.c
index 293cc8c9..d5e0a145 100644
--- a/src/rc/rc.c
+++ b/src/rc/rc.c
@@ -1,12 +1,12 @@
/*
- rc.c
- rc - manager for init scripts which control the startup, shutdown
- and the running of daemons.
-
- Also a multicall binary for various commands that can be used in shell
- scripts to query service state, mark service state and provide the
- einfo family of informational functions.
- */
+ * rc.c
+ * rc - manager for init scripts which control the startup, shutdown
+ * and the running of daemons.
+ *
+ * Also a multicall binary for various commands that can be used in shell
+ * scripts to query service state, mark service state and provide the
+ * einfo family of informational functions.
+ */
/*
* Copyright 2007-2008 Roy Marples
@@ -222,7 +222,7 @@ static char read_key (bool block)
return (false);
/* Now save our terminal settings. We need to restore them at exit as we
- will be changing it for non-blocking reads for Interactive */
+ * will be changing it for non-blocking reads for Interactive */
if (! termios_orig) {
termios_orig = xmalloc (sizeof (struct termios));
tcgetattr (fd, termios_orig);
@@ -532,6 +532,102 @@ static void run_script (const char *script)
eerrorx ("%s: failed to exec `%s'", applet, script);
}
+static void do_coldplug (void)
+{
+ int i;
+ DIR *dp;
+ struct dirent *d;
+ char *service;
+
+ if (! rc_conf_yesno ("rc_coldplug") && errno != ENOENT)
+ return;
+
+ /* We need to ensure our state dirs exist.
+ * We should have a better call than this, but oh well. */
+ rc_deptree_update_needed ();
+
+#ifdef BSD
+#if defined(__DragonFly__) || defined(__FreeBSD__)
+ /* The net interfaces are easy - they're all in net /dev/net :) */
+ if ((dp = opendir ("/dev/net"))) {
+ while ((d = readdir (dp))) {
+ i = (strlen ("net.") + strlen (d->d_name) + 1);
+ tmp = xmalloc (sizeof (char) * i);
+ snprintf (tmp, i, "net.%s", d->d_name);
+ if (rc_service_exists (tmp) &&
+ service_plugable (tmp))
+ rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
+ CHAR_FREE (tmp);
+ }
+ closedir (dp);
+ }
+#endif
+
+ /* The mice are a little more tricky.
+ * If we coldplug anything else, we'll probably do it here. */
+ if ((dp = opendir ("/dev"))) {
+ while ((d = readdir (dp))) {
+ if (strncmp (d->d_name, "psm", 3) == 0 ||
+ strncmp (d->d_name, "ums", 3) == 0)
+ {
+ char *p = d->d_name + 3;
+ if (p && isdigit ((int) *p)) {
+ size_t len;
+ len = (strlen ("moused.") + strlen (d->d_name) + 1);
+ tmp = xmalloc (sizeof (char) * len);
+ snprintf (tmp, len, "moused.%s", d->d_name);
+ if (rc_service_exists (tmp) &&
+ service_plugable (tmp))
+ rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
+ CHAR_FREE (tmp);
+ }
+ }
+ }
+ closedir (dp);
+ }
+
+#elif __linux__
+ /* udev likes to start services before we're ready when it does
+ * its coldplugging thing. runscript knows when we're not ready so it
+ * stores a list of coldplugged services in DEVBOOT for us to pick up
+ * here when we are ready for them */
+ if ((dp = opendir (DEVBOOT))) {
+ while ((d = readdir (dp))) {
+ if (d->d_name[0] == '.' &&
+ (d->d_name[1] == '\0' ||
+ (d->d_name[1] == '.' && d->d_name[2] == '\0')))
+ continue;
+
+ if (rc_service_exists (d->d_name) &&
+ service_plugable (d->d_name))
+ rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED);
+
+ i = strlen (DEVBOOT "/") + strlen (d->d_name) + 1;
+ tmp = xmalloc (sizeof (char) * i);
+ snprintf (tmp, i, DEVBOOT "/%s", d->d_name);
+ if (tmp) {
+ if (unlink (tmp))
+ eerror ("%s: unlink `%s': %s", applet, tmp,
+ strerror (errno));
+ free (tmp);
+ }
+ }
+ closedir (dp);
+ rmdir (DEVBOOT);
+ }
+#endif
+
+ if (rc_yesno (getenv ("EINFO_QUIET")))
+ return;
+
+ /* Load our list of coldplugged services and display them */
+ einfon ("Device initiated services:%s", ecolor (ECOLOR_HILITE));
+ coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED);
+ STRLIST_FOREACH (coldplugged_services, service, i)
+ printf (" %s", service);
+ printf ("%s\n", ecolor (ECOLOR_NORMAL));
+}
+
#include "_usage.h"
#define getoptstring "o:" getoptstring_COMMON
static struct option longopts[] = {
@@ -559,8 +655,6 @@ int main (int argc, char **argv)
char ksoftbuffer [PATH_MAX];
char pidstr[6];
int opt;
- DIR *dp;
- struct dirent *d;
bool parallel;
int regen = 0;
@@ -588,13 +682,13 @@ int main (int argc, char **argv)
chdir ("/");
/* RUNLEVEL is set by sysvinit as is a magic number
- RC_SOFTLEVEL is set by us and is the name for this magic number
- even though all our userland documentation refers to runlevel */
+ * RC_SOFTLEVEL is set by us and is the name for this magic number
+ * even though all our userland documentation refers to runlevel */
RUNLEVEL = getenv ("RUNLEVEL");
PREVLEVEL = getenv ("PREVLEVEL");
/* Ensure our environment is pure
- Also, add our configuration to it */
+ * Also, add our configuration to it */
env = env_filter ();
tmplist = env_config ();
rc_strlist_join (&env, tmplist);
@@ -605,14 +699,14 @@ int main (int argc, char **argv)
#ifdef __linux__
/* clearenv isn't portable, but there's no harm in using it
- if we have it */
+ * if we have it */
clearenv ();
#else
char *var;
/* No clearenv present here then.
- We could manipulate environ directly ourselves, but it seems that
- some kernels bitch about this according to the environ man pages
- so we walk though environ and call unsetenv for each value. */
+ * We could manipulate environ directly ourselves, but it seems that
+ * some kernels bitch about this according to the environ man pages
+ * so we walk though environ and call unsetenv for each value. */
while (environ[0]) {
tmp = xstrdup (environ[0]);
p = tmp;
@@ -648,7 +742,7 @@ int main (int argc, char **argv)
newlevel = argv[optind++];
/* OK, so we really are the main RC process
- Only root should be able to run us */
+ * Only root should be able to run us */
if (geteuid () != 0)
eerrorx ("%s: root access required", applet);
@@ -677,10 +771,10 @@ int main (int argc, char **argv)
rc_plugin_load ();
/* Check we're in the runlevel requested, ie from
- rc single
- rc shutdown
- rc reboot
- */
+ * rc single
+ * rc shutdown
+ * rc reboot
+ */
if (newlevel) {
if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0 &&
RUNLEVEL &&
@@ -732,6 +826,7 @@ int main (int argc, char **argv)
}
#endif
+ do_coldplug ();
rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, newlevel);
if (want_interactive ())
@@ -778,7 +873,7 @@ int main (int argc, char **argv)
signal (SIGCHLD, handle_signal);
/* We should only use ksoftlevel if we were in single user mode
- If not, we need to erase ksoftlevel now. */
+ * If not, we need to erase ksoftlevel now. */
if (PREVLEVEL &&
(strcmp (PREVLEVEL, "1") == 0 ||
strcmp (PREVLEVEL, "S") == 0 ||
@@ -825,98 +920,17 @@ int main (int argc, char **argv)
eerrorx ("%s: is not a valid runlevel", newlevel);
}
- /* Load our deptree now */
+ /* Load our deptree */
if ((deptree = _rc_deptree_load (&regen)) == NULL)
eerrorx ("failed to load deptree");
- /* Clean the failed services state dir now */
+ /* Clean the failed services state dir */
clean_failed ();
mkdir (RC_STOPPING, 0755);
-#ifdef __linux__
- /* udev likes to start services before we're ready when it does
- its coldplugging thing. runscript knows when we're not ready so it
- stores a list of coldplugged services in DEVBOOT for us to pick up
- here when we are ready for them */
- if ((dp = opendir (DEVBOOT))) {
- while ((d = readdir (dp))) {
- if (d->d_name[0] == '.' &&
- (d->d_name[1] == '\0' ||
- (d->d_name[1] == '.' && d->d_name[2] == '\0')))
- continue;
-
- if (rc_service_exists (d->d_name) &&
- rc_conf_yesno ("rc_coldplug") &&
- service_plugable (d->d_name))
- rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED);
-
- i = strlen (DEVBOOT "/") + strlen (d->d_name) + 1;
- tmp = xmalloc (sizeof (char) * i);
- snprintf (tmp, i, DEVBOOT "/%s", d->d_name);
- if (tmp) {
- if (unlink (tmp))
- eerror ("%s: unlink `%s': %s", applet, tmp,
- strerror (errno));
- free (tmp);
- }
- }
- closedir (dp);
- rmdir (DEVBOOT);
- }
-#else
- /* BSD's on the other hand populate /dev automagically and use devd.
- The only downside of this approach and ours is that we have to hard code
- the device node to the init script to simulate the coldplug into
- runlevel for our dependency tree to work. */
- if (newlevel && strcmp (newlevel, bootlevel) == 0 &&
- (strcmp (runlevel, RC_LEVEL_SINGLE) == 0 ||
- strcmp (runlevel, RC_LEVEL_SYSINIT) == 0) &&
- rc_conf_yesno ("rc_coldplug"))
- {
-#if defined(__DragonFly__) || defined(__FreeBSD__)
- /* The net interfaces are easy - they're all in net /dev/net :) */
- if ((dp = opendir ("/dev/net"))) {
- while ((d = readdir (dp))) {
- i = (strlen ("net.") + strlen (d->d_name) + 1);
- tmp = xmalloc (sizeof (char) * i);
- snprintf (tmp, i, "net.%s", d->d_name);
- if (rc_service_exists (tmp) &&
- service_plugable (tmp))
- rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
- CHAR_FREE (tmp);
- }
- closedir (dp);
- }
-#endif
-
- /* The mice are a little more tricky.
- If we coldplug anything else, we'll probably do it here. */
- if ((dp = opendir ("/dev"))) {
- while ((d = readdir (dp))) {
- if (strncmp (d->d_name, "psm", 3) == 0 ||
- strncmp (d->d_name, "ums", 3) == 0)
- {
- char *p = d->d_name + 3;
- if (p && isdigit ((int) *p)) {
- size_t len;
- len = (strlen ("moused.") + strlen (d->d_name) + 1);
- tmp = xmalloc (sizeof (char) * len);
- snprintf (tmp, len, "moused.%s", d->d_name);
- if (rc_service_exists (tmp) &&
- service_plugable (tmp))
- rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED);
- CHAR_FREE (tmp);
- }
- }
- }
- closedir (dp);
- }
- }
-#endif
-
/* Build a list of all services to stop and then work out the
- correct order for stopping them */
+ * correct order for stopping them */
stop_services = rc_services_in_state (RC_SERVICE_STARTING);
tmplist = rc_services_in_state (RC_SERVICE_INACTIVE);
@@ -938,50 +952,23 @@ int main (int argc, char **argv)
/* Load our list of coldplugged services */
coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED);
-
- /* Load our start services now.
- We have different rules dependent on runlevel. */
- if (newlevel && strcmp (newlevel, bootlevel) == 0) {
- if (coldplugged_services) {
- bool quiet = rc_yesno (getenv ("EINFO_QUIET"));
-
- if (! quiet)
- einfon ("Device initiated services:");
- STRLIST_FOREACH (coldplugged_services, service, i) {
- if (! quiet)
- printf (" %s", service);
- rc_strlist_add (&start_services, service);
- }
- if (! quiet)
- printf ("\n");
- }
- tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel);
- rc_strlist_join (&start_services, tmplist);
- rc_strlist_free (tmplist);
- } else {
- /* Store our list of coldplugged services */
- tmplist = rc_services_in_state (RC_SERVICE_COLDPLUGGED);
- rc_strlist_join (&coldplugged_services, tmplist);
- rc_strlist_free (tmplist);
- if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 &&
- strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 &&
- strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0)
- {
- /* We need to include the boot runlevel services if we're not in it */
- tmplist = rc_services_in_runlevel (bootlevel);
- rc_strlist_join (&start_services, tmplist);
- rc_strlist_free (tmplist);
+ if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 &&
+ strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 &&
+ strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0)
+ {
+ /* We need to include the boot runlevel services if we're not in it */
+ start_services = rc_services_in_runlevel (bootlevel);
+ if (strcmp (newlevel ? newlevel : runlevel, bootlevel) != 0) {
tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel);
rc_strlist_join (&start_services, tmplist);
rc_strlist_free (tmplist);
-
- STRLIST_FOREACH (coldplugged_services, service, i)
- rc_strlist_add (&start_services, service);
-
}
+
+ STRLIST_FOREACH (coldplugged_services, service, i)
+ rc_strlist_add (&start_services, service);
}
- /* Save out softlevel now */
+ /* Save our softlevel now */
if (going_down)
rc_runlevel_set (newlevel);
@@ -1045,7 +1032,7 @@ int main (int argc, char **argv)
}
/* We got this far! Or last check is to see if any any service that
- going to be started depends on us */
+ * going to be started depends on us */
rc_strlist_add (&stopdeps, service);
deporder = rc_deptree_depends (deptree, types_n,
(const char **) stopdeps,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 07:26:53 +0000