diff options
Diffstat (limited to 'src/rc/rc-update.c')
-rw-r--r-- | src/rc/rc-update.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/src/rc/rc-update.c b/src/rc/rc-update.c deleted file mode 100644 index d6dbf240..00000000 --- a/src/rc/rc-update.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * rc-update - * Manage init scripts and runlevels - */ - -/* - * Copyright (c) 2007-2015 The OpenRC Authors. - * See the Authors file at the top-level directory of this distribution and - * https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS - * - * This file is part of OpenRC. It is subject to the license terms in - * the LICENSE file found in the top-level directory of this - * distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE - * This file may not be copied, modified, propagated, or distributed - * except according to the terms contained in the LICENSE file. - */ - -#include <errno.h> -#include <getopt.h> -#include <limits.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "einfo.h" -#include "queue.h" -#include "rc.h" -#include "rc-misc.h" -#include "_usage.h" - -const char *applet = NULL; -const char *extraopts = NULL; -const char *usagestring = "" \ - "Usage: rc-update [options] add <service> [<runlevel>...]\n" \ - " or: rc-update [options] del <service> [<runlevel>...]\n" \ - " or: rc-update [options] [show [<runlevel>...]]"; -const char getoptstring[] = "asu" getoptstring_COMMON; -const struct option longopts[] = { - { "all", 0, NULL, 'a' }, - { "stack", 0, NULL, 's' }, - { "update", 0, NULL, 'u' }, - longopts_COMMON -}; -const char * const longopts_help[] = { - "Process all runlevels", - "Stack a runlevel instead of a service", - "Force an update of the dependency tree", - longopts_help_COMMON -}; - -/* Return the number of changes made: - * -1 = no changes (error) - * 0 = no changes (nothing to do) - * 1+ = number of runlevels updated - */ -static int -add(const char *runlevel, const char *service) -{ - int retval = -1; - - if (!rc_service_exists(service)) { - if (errno == ENOEXEC) - eerror("%s: service `%s' is not executable", - applet, service); - else - eerror("%s: service `%s' does not exist", - applet, service); - } else if (rc_service_in_runlevel(service, runlevel)) { - einfo("%s: %s already installed in runlevel `%s'; skipping", - applet, service, runlevel); - retval = 0; - } else if (rc_service_add(runlevel, service)) { - einfo("service %s added to runlevel %s", service, runlevel); - retval = 1; - } else - eerror("%s: failed to add service `%s' to runlevel `%s': %s", - applet, service, runlevel, strerror (errno)); - - return retval; -} - -static int -delete(const char *runlevel, const char *service) -{ - int retval = -1; - - errno = 0; - if (rc_service_delete(runlevel, service)) { - einfo("service %s removed from runlevel %s", - service, runlevel); - return 1; - } - - if (errno == ENOENT) - eerror("%s: service `%s' is not in the runlevel `%s'", - applet, service, runlevel); - else - eerror("%s: failed to remove service `%s' from runlevel `%s': %s", - applet, service, runlevel, strerror (errno)); - - return retval; -} - -static int -addstack(const char *runlevel, const char *stack) -{ - if (!rc_runlevel_exists(runlevel)) { - eerror("%s: runlevel `%s' does not exist", applet, runlevel); - return -1; - } - if (!rc_runlevel_exists(stack)) { - eerror("%s: runlevel `%s' does not exist", applet, stack); - return -1; - } - if (strcmp(runlevel, stack) == 0) { - eerror("%s: cannot stack `%s' onto itself", applet, stack); - return -1; - } - if (strcmp(runlevel, RC_LEVEL_SYSINIT) == 0 || - strcmp(stack, RC_LEVEL_SYSINIT) == 0 || - strcmp(runlevel, RC_LEVEL_BOOT) == 0 || - strcmp(stack, RC_LEVEL_BOOT) == 0 || - strcmp(runlevel, RC_LEVEL_SINGLE) == 0 || - strcmp(stack, RC_LEVEL_SINGLE) == 0 || - strcmp(runlevel, RC_LEVEL_SHUTDOWN) == 0 || - strcmp(stack, RC_LEVEL_SHUTDOWN) == 0) - { - eerror("%s: cannot stack the %s runlevel", - applet, RC_LEVEL_SYSINIT); - return -1; - } - if (!rc_runlevel_stack(runlevel, stack)) { - eerror("%s: failed to stack `%s' to `%s': %s", - applet, stack, runlevel, strerror(errno)); - return -1; - } - einfo("runlevel %s added to runlevel %s", stack, runlevel); - return 1; -} - -static int -delstack(const char *runlevel, const char *stack) -{ - if (rc_runlevel_unstack(runlevel, stack)) { - einfo("runlevel %s removed from runlevel %s", stack, runlevel); - return 1; - } - - if (errno == ENOENT) - eerror("%s: runlevel `%s' is not in the runlevel `%s'", - applet, stack, runlevel); - else - eerror("%s: failed to remove runlevel `%s' from runlevel `%s': %s", - applet, stack, runlevel, strerror (errno)); - - return -1; -} - -static void -show(RC_STRINGLIST *runlevels, bool verbose) -{ - RC_STRINGLIST *services = rc_services_in_runlevel(NULL); - RC_STRING *service; - RC_STRING *runlevel; - RC_STRINGLIST *in; - bool inone; - char *buffer = NULL; - size_t l; - - rc_stringlist_sort(&services); - TAILQ_FOREACH(service, services, entries) { - in = rc_stringlist_new(); - inone = false; - - TAILQ_FOREACH(runlevel, runlevels, entries) { - if (rc_service_in_runlevel(service->value, - runlevel->value)) - { - rc_stringlist_add(in, runlevel->value); - inone = true; - } else { - l = strlen(runlevel->value); - buffer = xmalloc(l+1); - memset (buffer, ' ', l); - buffer[l] = 0; - rc_stringlist_add (in, buffer); - free(buffer); - } - } - - if (inone || verbose) { - printf(" %20s |", service->value); - TAILQ_FOREACH(runlevel, in, entries) - printf (" %s", runlevel->value); - printf ("\n"); - } - rc_stringlist_free(in); - } - - rc_stringlist_free (services); -} - -#define DOADD (1 << 1) -#define DODELETE (1 << 2) -#define DOSHOW (1 << 3) - -int main(int argc, char **argv) -{ - RC_DEPTREE *deptree; - RC_STRINGLIST *runlevels; - RC_STRING *runlevel; - char *service = NULL; - char *p; - int action = 0; - bool verbose = false, stack = false, all_runlevels = false; - int opt; - int retval = EXIT_FAILURE; - int num_updated = 0; - int (*actfunc)(const char *, const char *); - int ret; - - applet = basename_c(argv[0]); - while ((opt = getopt_long(argc, argv, getoptstring, - longopts, (int *)0)) != -1) - switch (opt) { - case 'a': - all_runlevels = true; - break; - case 's': - stack = true; - break; - case 'u': - deptree = _rc_deptree_load(-1, &ret); - if (deptree) - rc_deptree_free(deptree); - return ret; - case_RC_COMMON_GETOPT - } - - verbose = rc_yesno(getenv ("EINFO_VERBOSE")); - - if ((action & DOSHOW && action != DOSHOW) || - (action & DOADD && action != DOADD) || - (action & DODELETE && action != DODELETE)) - eerrorx("%s: cannot mix commands", applet); - - /* We need to be backwards compatible */ - if (optind < argc) { - if (strcmp(argv[optind], "add") == 0) - action = DOADD; - else if (strcmp(argv[optind], "delete") == 0 || - strcmp(argv[optind], "del") == 0) - action = DODELETE; - else if (strcmp(argv[optind], "show") == 0) - action = DOSHOW; - if (action) - optind++; - else - eerrorx("%s: invalid command `%s'", - applet, argv[optind]); - } - if (!action) - action = DOSHOW; - - runlevels = rc_stringlist_new(); - - if (optind >= argc) { - if (!(action & DOSHOW)) - eerrorx("%s: no service specified", applet); - } else { - service = argv[optind]; - optind++; - - while (optind < argc) - if (rc_runlevel_exists(argv[optind])) - rc_stringlist_add(runlevels, argv[optind++]); - else { - rc_stringlist_free(runlevels); - eerrorx ("%s: `%s' is not a valid runlevel", - applet, argv[optind]); - } - } - - retval = EXIT_SUCCESS; - if (action & DOSHOW) { - if (service) - rc_stringlist_add(runlevels, service); - if (!TAILQ_FIRST(runlevels)) { - free(runlevels); - runlevels = rc_runlevel_list(); - } - - rc_stringlist_sort(&runlevels); - show (runlevels, verbose); - } else { - if (!service) - eerror ("%s: no service specified", applet); - else { - if (action & DOADD) { - if (all_runlevels) { - rc_stringlist_free(runlevels); - eerrorx("%s: the -a option is invalid with add", applet); - } - actfunc = stack ? addstack : add; - } else if (action & DODELETE) { - actfunc = stack ? delstack : delete; - } else { - rc_stringlist_free(runlevels); - eerrorx("%s: invalid action", applet); - } - - if (!TAILQ_FIRST(runlevels)) { - if (all_runlevels) { - free(runlevels); - runlevels = rc_runlevel_list(); - } else { - p = rc_runlevel_get(); - rc_stringlist_add(runlevels, p); - free(p); - } - } - - if (!TAILQ_FIRST(runlevels)) { - free(runlevels); - eerrorx("%s: no runlevels found", applet); - } - - TAILQ_FOREACH(runlevel, runlevels, entries) { - if (!rc_runlevel_exists(runlevel->value)) { - eerror ("%s: runlevel `%s' does not exist", - applet, runlevel->value); - continue; - } - - ret = actfunc(runlevel->value, service); - if (ret < 0) - retval = EXIT_FAILURE; - num_updated += ret; - } - - if (retval == EXIT_SUCCESS && - num_updated == 0 && action & DODELETE) - ewarnx("%s: service `%s' not found in any" - " of the specified runlevels", - applet, service); - } - } - - rc_stringlist_free(runlevels); - return retval; -} |