152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
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rc-update
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Manage init scripts and runlevels
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Copyright 2007 Gentoo Foundation
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Released under the GPLv2
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*/
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#include <errno.h>
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#include <limits.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "einfo.h"
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#include "rc.h"
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#include "rc-misc.h"
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#include "strlist.h"
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static char *applet = NULL;
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static bool add (const char *runlevel, const char *service)
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{
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bool retval = true;
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if (! rc_runlevel_exists (runlevel)) {
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ewarn ("runlevel `%s' does not exist", runlevel);
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return (false);
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}
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if (rc_service_in_runlevel (service, runlevel)) {
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ewarn ("%s already installed in runlevel `%s'; skipping",
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service, runlevel);
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return (false);
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}
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if (rc_service_add (runlevel, service))
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einfo ("%s added to runlevel %s", service, runlevel);
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else {
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eerror ("%s: failed to add service `%s' to runlevel `%s': %s",
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applet, service, runlevel, strerror (errno));
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retval = false;
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}
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return (retval);
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}
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int main (int argc, char **argv)
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{
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int i;
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int j;
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char *service;
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char **runlevels = NULL;
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char *runlevel;
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applet = argv[0];
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if (argc < 2 ||
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strcmp (argv[1], "show") == 0 ||
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strcmp (argv[1], "-s") == 0)
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{
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bool verbose = false;
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char **services = rc_services_in_runlevel (NULL);
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for (i = 2; i < argc; i++) {
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if (strcmp (argv[i], "--verbose") == 0 ||
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strcmp (argv[i], "-v") == 0)
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verbose = true;
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else
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runlevels = rc_strlist_add (runlevels, argv[i]);
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}
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if (! runlevels)
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runlevels = rc_get_runlevels ();
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STRLIST_FOREACH (services, service, i) {
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char **in = NULL;
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bool inone = false;
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STRLIST_FOREACH (runlevels, runlevel, j) {
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if (rc_service_in_runlevel (service, runlevel)) {
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in = rc_strlist_add (in, runlevel);
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inone = true;
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} else {
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char buffer[PATH_MAX];
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memset (buffer, ' ', strlen (runlevel));
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buffer[strlen (runlevel)] = 0;
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in = rc_strlist_add (in, buffer);
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}
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}
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if (! inone && ! verbose)
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continue;
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printf (" %20s |", service);
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STRLIST_FOREACH (in, runlevel, j)
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printf (" %s", runlevel);
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printf ("\n");
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}
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return (EXIT_SUCCESS);
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}
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if (geteuid () != 0)
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eerrorx ("%s: must be root to add or delete services from runlevels",
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applet);
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if (! (service = argv[2]))
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eerrorx ("%s: no service specified", applet);
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if (strcmp (argv[1], "add") == 0 ||
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strcmp (argv[1], "-a") == 0)
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{
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if (! service)
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eerrorx ("%s: no service specified", applet);
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if (! rc_service_exists (service))
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eerrorx ("%s: service `%s' does not exist", applet, service);
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if (argc < 4)
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add (rc_get_runlevel (), service);
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for (i = 3; i < argc; i++)
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add (argv[i], service);
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return (EXIT_SUCCESS);
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}
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if (strcmp (argv[1], "delete") == 0 ||
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strcmp (argv[1], "del") == 0 ||
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strcmp (argv[1], "-d") == 0)
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{
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for (i = 3; i < argc; i++)
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runlevels = rc_strlist_add (runlevels, argv[i]);
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if (! runlevels)
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runlevels = rc_strlist_add (runlevels, rc_get_runlevel ());
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STRLIST_FOREACH (runlevels, runlevel, i) {
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if (rc_service_in_runlevel (service, runlevel)) {
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if (rc_service_delete (runlevel, service))
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einfo ("%s removed from runlevel %s", service, runlevel);
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else
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eerror ("%s: failed to remove service `%s' from runlevel `%s': %s",
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applet, service, runlevel, strerror (errno));
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}
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}
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return (EXIT_SUCCESS);
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}
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eerrorx ("%s: unknown command `%s'", applet, argv[1]);
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}
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