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-rw-r--r--src/rc.c255
1 files changed, 109 insertions, 146 deletions
diff --git a/src/rc.c b/src/rc.c
index ab104a98..f3e1cac2 100644
--- a/src/rc.c
+++ b/src/rc.c
@@ -475,6 +475,30 @@ static void set_ksoftlevel (const char *runlevel)
fclose (fp);
}
+static int get_ksoftlevel (char *buffer, int buffer_len)
+{
+ FILE *fp;
+ int i = 0;
+
+ if (! rc_exists (RC_SVCDIR "ksoftlevel"))
+ return 0;
+
+ if (! (fp = fopen (RC_SVCDIR "ksoftlevel", "r"))) {
+ eerror ("fopen `%s': %s", RC_SVCDIR "ksoftlevel",
+ strerror (errno));
+ return -1;
+ }
+
+ if (fgets (buffer, buffer_len, fp)) {
+ i = strlen (buffer) - 1;
+ if (buffer[i] == '\n')
+ buffer[i] = 0;
+ }
+
+ fclose (fp);
+ return i;
+}
+
static void wait_for_services ()
{
int status = 0;
@@ -566,9 +590,9 @@ static void handle_signal (int sig)
if ((prev &&
(strcmp (prev, "S") == 0 ||
strcmp (prev, "1") == 0)) ||
- (run &&
- (strcmp (run, "S") == 0 ||
- strcmp (run, "1") == 0)))
+ (run &&
+ (strcmp (run, "S") == 0 ||
+ strcmp (run, "1") == 0)))
single_user ();
exit (EXIT_FAILURE);
@@ -585,7 +609,7 @@ static void handle_signal (int sig)
static void run_script (const char *script) {
int status = 0;
pid_t pid = vfork ();
-
+
if (pid < 0)
eerrorx ("%s: vfork: %s", applet, strerror (errno));
else if (pid == 0) {
@@ -731,7 +755,7 @@ 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 */
if (geteuid () != 0)
@@ -753,135 +777,91 @@ int main (int argc, char **argv)
RUNLEVEL = getenv ("RUNLEVEL");
PREVLEVEL = getenv ("PREVLEVEL");
- if (RUNLEVEL && newlevel) {
- if (strcmp (RUNLEVEL, "S") == 0 || strcmp (RUNLEVEL, "1") == 0) {
+
+ /* Load current softlevel */
+ runlevel = rc_get_runlevel ();
+
+ /* Check we're in the runlevel requested, ie from
+ rc single
+ rc shutdown
+ rc reboot
+ */
+ if (newlevel) {
+ if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0 &&
+ RUNLEVEL &&
+ (strcmp (RUNLEVEL, "S") == 0 ||
+ strcmp (RUNLEVEL, "1") == 0))
+ {
/* OK, we're either in runlevel 1 or single user mode */
- if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0) {
- struct utsname uts;
+ struct utsname uts;
#ifdef __linux__
- FILE *fp;
+ FILE *fp;
#endif
- /* exec init-early.sh if it exists
- * This should just setup the console to use the correct
- * font. Maybe it should setup the keyboard too? */
- if (rc_exists (INITEARLYSH))
- run_script (INITEARLYSH);
+ /* exec init-early.sh if it exists
+ * This should just setup the console to use the correct
+ * font. Maybe it should setup the keyboard too? */
+ if (rc_exists (INITEARLYSH))
+ run_script (INITEARLYSH);
- uname (&uts);
+ uname (&uts);
- printf ("\n");
- printf (" %sGentoo/%s; %shttp://www.gentoo.org/%s"
- "\n Copyright 1999-2007 Gentoo Foundation; "
- "Distributed under the GPLv2\n\n",
- ecolor (ecolor_good), uts.sysname, ecolor (ecolor_bracket),
- ecolor (ecolor_normal));
+ printf ("\n");
+ printf (" %sGentoo/%s; %shttp://www.gentoo.org/%s"
+ "\n Copyright 1999-2007 Gentoo Foundation; "
+ "Distributed under the GPLv2\n\n",
+ ecolor (ecolor_good), uts.sysname, ecolor (ecolor_bracket),
+ ecolor (ecolor_normal));
- if (rc_is_env ("RC_INTERACTIVE", "yes"))
- printf ("Press %sI%s to enter interactive boot mode\n\n",
- ecolor (ecolor_good), ecolor (ecolor_normal));
+ if (rc_is_env ("RC_INTERACTIVE", "yes"))
+ printf ("Press %sI%s to enter interactive boot mode\n\n",
+ ecolor (ecolor_good), ecolor (ecolor_normal));
- setenv ("RC_SOFTLEVEL", newlevel, 1);
- rc_plugin_run (rc_hook_runlevel_start_in, newlevel);
- run_script (INITSH);
+ setenv ("RC_SOFTLEVEL", newlevel, 1);
+ rc_plugin_run (rc_hook_runlevel_start_in, newlevel);
+ run_script (INITSH);
- /* If we requested a softlevel, save it now */
+ /* If we requested a softlevel, save it now */
#ifdef __linux__
- set_ksoftlevel (NULL);
-
- if ((fp = fopen ("/proc/cmdline", "r"))) {
- char buffer[RC_LINEBUFFER];
- char *soft;
-
- memset (buffer, 0, sizeof (buffer));
- if (fgets (buffer, RC_LINEBUFFER, fp) &&
- (soft = strstr (buffer, "softlevel=")))
- {
- i = soft - buffer;
- if (i == 0 || buffer[i - 1] == ' ') {
- char *level;
-
- /* Trim the trailing carriage return if present */
- i = strlen (buffer) - 1;
- if (buffer[i] == '\n')
- buffer[i] = 0;
-
- soft += strlen ("softlevel=");
- level = strsep (&soft, " ");
- set_ksoftlevel (level);
- }
+ set_ksoftlevel (NULL);
+
+ if ((fp = fopen ("/proc/cmdline", "r"))) {
+ char buffer[RC_LINEBUFFER];
+ char *soft;
+
+ memset (buffer, 0, sizeof (buffer));
+ if (fgets (buffer, RC_LINEBUFFER, fp) &&
+ (soft = strstr (buffer, "softlevel=")))
+ {
+ i = soft - buffer;
+ if (i == 0 || buffer[i - 1] == ' ') {
+ char *level;
+
+ /* Trim the trailing carriage return if present */
+ i = strlen (buffer) - 1;
+ if (buffer[i] == '\n')
+ buffer[i] = 0;
+
+ soft += strlen ("softlevel=");
+ level = strsep (&soft, " ");
+ set_ksoftlevel (level);
}
- fclose (fp);
}
-#endif
- rc_plugin_run (rc_hook_runlevel_start_out, newlevel);
-
- if (want_interactive ())
- mark_interactive ();
-
- exit (EXIT_SUCCESS);
+ fclose (fp);
}
-
-#ifdef __linux__
- /* Parse the inittab file so we can work out the level to telinit */
- if (strcmp (newlevel, RC_LEVEL_BOOT) != 0 &&
- strcmp (newlevel, RC_LEVEL_SINGLE) != 0)
- {
- char **inittab = rc_get_list (NULL, "/etc/inittab");
- char *line;
- char *p;
- char *token;
- char lvl[2] = {0, 0};
-
- STRLIST_FOREACH (inittab, line, i) {
- p = line;
- token = strsep (&p, ":");
- if (! token || token[0] != 'l')
- continue;
-
- if ((token = strsep (&p, ":")) == NULL)
- continue;
-
- /* Snag the level */
- lvl[0] = token[0];
-
- /* The name is spaced after this */
- if ((token = strsep (&p, " ")) == NULL)
- continue;
-
- if ((token = strsep (&p, " ")) == NULL)
- continue;
-
- if (strcmp (token, newlevel) == 0)
- break;
- }
- rc_strlist_free (inittab);
-
- /* We have a level, so telinit into it */
- if (lvl[0] == 0) {
- eerrorx ("%s: couldn't find a runlevel called `%s'",
- applet, newlevel);
- } else {
- execl ("/sbin/telinit", "/sbin/telinit", lvl, (char *) NULL);
- eerrorx ("%s: unable to exec `/sbin/telinit': %s",
- applet, strerror (errno));
- }
- }
#endif
- }
- }
+ rc_plugin_run (rc_hook_runlevel_start_out, newlevel);
- /* Check we're in the runlevel requested, ie from
- rc single
- rc shutdown
- rc reboot
- */
- if (newlevel) {
- if (strcmp (newlevel, RC_LEVEL_SINGLE) == 0) {
+ if (want_interactive ())
+ mark_interactive ();
+
+ exit (EXIT_SUCCESS);
+ } else if (strcmp (newlevel, RC_LEVEL_SINGLE) == 0) {
if (! RUNLEVEL ||
(strcmp (RUNLEVEL, "S") != 0 &&
strcmp (RUNLEVEL, "1") != 0))
{
+ einfo ("Setting %s", runlevel);
/* Remember the current runlevel for when we come back */
set_ksoftlevel (runlevel);
single_user ();
@@ -911,41 +891,24 @@ int main (int argc, char **argv)
}
}
- /* Export our current softlevel */
- runlevel = rc_get_runlevel ();
-
/* Now we start handling our children */
signal (SIGCHLD, handle_signal);
- /* If we're in the default runlevel and ksoftlevel exists, we should use
- that instead */
- if (newlevel &&
- rc_exists (RC_SVCDIR "ksoftlevel") &&
- strcmp (newlevel, RC_LEVEL_DEFAULT) == 0)
+ /* We should only use ksoftlevel if we were in single user mode
+ If not, we need to erase ksoftlevel now. */
+ if (PREVLEVEL &&
+ (strcmp (PREVLEVEL, "1") == 0 ||
+ strcmp (PREVLEVEL, "S") == 0 ||
+ strcmp (PREVLEVEL, "N") == 0))
{
- /* We should only use ksoftlevel if we were in single user mode
- If not, we need to erase ksoftlevel now. */
- if (PREVLEVEL &&
- (strcmp (PREVLEVEL, "1") == 0 ||
- strcmp (PREVLEVEL, "S") == 0 ||
- strcmp (PREVLEVEL, "N") == 0))
- {
- FILE *fp;
-
- if (! (fp = fopen (RC_SVCDIR "ksoftlevel", "r")))
- eerror ("fopen `%s': %s", RC_SVCDIR "ksoftlevel",
- strerror (errno));
- else {
- if (fgets (ksoftbuffer, sizeof (ksoftbuffer), fp)) {
- i = strlen (ksoftbuffer) - 1;
- if (ksoftbuffer[i] == '\n')
- ksoftbuffer[i] = 0;
- newlevel = ksoftbuffer;
- }
- fclose (fp);
- }
- } else
- set_ksoftlevel (NULL);
+ if (get_ksoftlevel (ksoftbuffer, sizeof (ksoftbuffer)))
+ newlevel = ksoftbuffer;
+ } else if (! RUNLEVEL ||
+ (strcmp (RUNLEVEL, "1") != 0 &&
+ strcmp (RUNLEVEL, "S") != 0 &&
+ strcmp (RUNLEVEL, "N") != 0))
+ {
+ set_ksoftlevel (NULL);
}
if (newlevel &&
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