diff options
Diffstat (limited to 'src/rc-service')
| -rw-r--r-- | src/rc-service/meson.build | 7 | ||||
| -rw-r--r-- | src/rc-service/rc-service.c | 171 |
2 files changed, 178 insertions, 0 deletions
diff --git a/src/rc-service/meson.build b/src/rc-service/meson.build new file mode 100644 index 00000000..3a109d8e --- /dev/null +++ b/src/rc-service/meson.build @@ -0,0 +1,7 @@ +executable('rc-service', + ['rc-service.c', misc_c, usage_c, version_h], + c_args : cc_branding_flags, + link_with: [libeinfo, librc], + include_directories: [incdir, einfo_incdir, rc_incdir], + install: true, + install_dir: sbindir) diff --git a/src/rc-service/rc-service.c b/src/rc-service/rc-service.c new file mode 100644 index 00000000..69acac19 --- /dev/null +++ b/src/rc-service/rc-service.c @@ -0,0 +1,171 @@ +/* + * rc-service.c + * Finds all OpenRC services + */ + +/* + * Copyright (c) 2008-2015 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 <getopt.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "einfo.h" +#include "queue.h" +#include "rc.h" +#include "misc.h" +#include "_usage.h" + +const char *applet = NULL; +const char *extraopts = NULL; +const char getoptstring[] = "cdDe:ilr:INsSZ" getoptstring_COMMON; +const struct option longopts[] = { + { "debug", 0, NULL, 'd' }, + { "nodeps", 0, NULL, 'D' }, + { "exists", 1, NULL, 'e' }, + { "ifcrashed", 0, NULL, 'c' }, + { "ifexists", 0, NULL, 'i' }, + { "ifinactive", 0, NULL, 'I' }, + { "ifnotstarted", 0, NULL, 'N' }, + { "ifstarted", 0, NULL, 's' }, + { "ifstopped", 0, NULL, 'S' }, + { "list", 0, NULL, 'l' }, + { "resolve", 1, NULL, 'r' }, + { "dry-run", 0, NULL, 'Z' }, + longopts_COMMON +}; +const char * const longopts_help[] = { + "set xtrace when running the command", + "ignore dependencies", + "tests if the service exists or not", + "if the service is crashed run the command", + "if the service exists run the command", + "if the service is inactive run the command", + "if the service is not started run the command", + "if the service is started run the command", + "if the service is stopped run the command", + "list all available services", + "resolve the service name to an init script", + "dry run (show what would happen)", + longopts_help_COMMON +}; +const char *usagestring = "" \ + "Usage: rc-service [options] [-i] <service> <cmd>...\n" \ + " or: rc-service [options] -e <service>\n" \ + " or: rc-service [options] -l\n" \ + " or: rc-service [options] -r <service>"; + +int main(int argc, char **argv) +{ + int opt; + char *service; + RC_STRINGLIST *list; + RC_STRING *s; + RC_SERVICE state; + bool if_crashed = false; + bool if_exists = false; + bool if_inactive = false; + bool if_notstarted = false; + bool if_started = false; + bool if_stopped = false; + + applet = basename_c(argv[0]); + /* Ensure that we are only quiet when explicitly told to be */ + unsetenv("EINFO_QUIET"); + + while ((opt = getopt_long(argc, argv, getoptstring, + longopts, (int *) 0)) != -1) + { + switch (opt) { + case 'd': + setenv("RC_DEBUG", "yes", 1); + break; + case 'D': + setenv("RC_NODEPS", "yes", 1); + break; + case 'e': + service = rc_service_resolve(optarg); + opt = service ? EXIT_SUCCESS : EXIT_FAILURE; + free(service); + return opt; + /* NOTREACHED */ + case 'c': + if_crashed = true; + break; + case 'i': + if_exists = true; + break; + case 'I': + if_inactive = true; + break; + case 'N': + if_notstarted = true; + break; + case 'l': + list = rc_services_in_runlevel(NULL); + if (TAILQ_FIRST(list) == NULL) + return EXIT_FAILURE; + rc_stringlist_sort(&list); + TAILQ_FOREACH(s, list, entries) + printf("%s\n", s->value); + rc_stringlist_free(list); + return EXIT_SUCCESS; + /* NOTREACHED */ + case 'r': + service = rc_service_resolve(optarg); + if (service == NULL) + return EXIT_FAILURE; + printf("%s\n", service); + free(service); + return EXIT_SUCCESS; + /* NOTREACHED */ + case 's': + if_started = true; + break; + case 'S': + if_stopped = true; + break; + case 'Z': + setenv("IN_DRYRUN", "yes", 1); + break; + + case_RC_COMMON_GETOPT + } + } + + argc -= optind; + argv += optind; + if (*argv == NULL) + eerrorx("%s: you need to specify a service", applet); + if ((service = rc_service_resolve(*argv)) == NULL) { + if (if_exists) + return 0; + eerrorx("%s: service `%s' does not exist", applet, *argv); + } + state = rc_service_state(*argv); + if (if_crashed && !(rc_service_daemons_crashed(*argv) && errno != EACCES)) + return 0; + if (if_inactive && !(state & RC_SERVICE_INACTIVE)) + return 0; + if (if_notstarted && (state & RC_SERVICE_STARTED)) + return 0; + if (if_started && !(state & RC_SERVICE_STARTED)) + return 0; + if (if_stopped && !(state & RC_SERVICE_STOPPED)) + return 0; + *argv = service; + execv(*argv, argv); + eerrorx("%s: %s", applet, strerror(errno)); + /* NOTREACHED */ +} |