/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdio.h> #include <getopt.h> #include <error.h> #include <errno.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include "sd-path.h" #include "build.h" #include "macro.h" #include "util.h" #include "log.h" static const char *arg_suffix = NULL; static const char* const path_table[_SD_PATH_MAX] = { [SD_PATH_TEMPORARY] = "temporary", [SD_PATH_TEMPORARY_LARGE] = "temporary-large", [SD_PATH_SYSTEM_BINARIES] = "system-binaries", [SD_PATH_SYSTEM_INCLUDE] = "system-include", [SD_PATH_SYSTEM_LIBRARY_PRIVATE] = "system-library-private", [SD_PATH_SYSTEM_LIBRARY_ARCH] = "system-library-arch", [SD_PATH_SYSTEM_SHARED] = "system-shared", [SD_PATH_SYSTEM_CONFIGURATION_FACTORY] = "system-configuration-factory", [SD_PATH_SYSTEM_STATE_FACTORY] = "system-state-factory", [SD_PATH_SYSTEM_CONFIGURATION] = "system-configuration", [SD_PATH_SYSTEM_RUNTIME] = "system-runtime", [SD_PATH_SYSTEM_RUNTIME_LOGS] = "system-runtime-logs", [SD_PATH_SYSTEM_STATE_PRIVATE] = "system-state-private", [SD_PATH_SYSTEM_STATE_LOGS] = "system-state-logs", [SD_PATH_SYSTEM_STATE_CACHE] = "system-state-cache", [SD_PATH_SYSTEM_STATE_SPOOL] = "system-state-spool", [SD_PATH_USER_BINARIES] = "user-binaries", [SD_PATH_USER_LIBRARY_PRIVATE] = "user-library-private", [SD_PATH_USER_LIBRARY_ARCH] = "user-library-arch", [SD_PATH_USER_SHARED] = "user-shared", [SD_PATH_USER_CONFIGURATION] = "user-configuration", [SD_PATH_USER_RUNTIME] = "user-runtime", [SD_PATH_USER_STATE_CACHE] = "user-state-cache", [SD_PATH_USER] = "user", [SD_PATH_USER_DOCUMENTS] = "user-documents", [SD_PATH_USER_MUSIC] = "user-music", [SD_PATH_USER_PICTURES] = "user-pictures", [SD_PATH_USER_VIDEOS] = "user-videos", [SD_PATH_USER_DOWNLOAD] = "user-download", [SD_PATH_USER_PUBLIC] = "user-public", [SD_PATH_USER_TEMPLATES] = "user-templates", [SD_PATH_USER_DESKTOP] = "user-desktop", [SD_PATH_SEARCH_BINARIES] = "search-binaries", [SD_PATH_SEARCH_LIBRARY_PRIVATE] = "search-library-private", [SD_PATH_SEARCH_LIBRARY_ARCH] = "search-library-arch", [SD_PATH_SEARCH_SHARED] = "search-shared", [SD_PATH_SEARCH_CONFIGURATION_FACTORY] = "search-configuration-factory", [SD_PATH_SEARCH_STATE_FACTORY] = "search-state-factory", [SD_PATH_SEARCH_CONFIGURATION] = "search-configuration", }; static int help(void) { printf("%s [OPTIONS...] [NAME...]\n\n" "Show system and user paths.\n\n" " -h --help Show this help\n" " --version Show package version\n" " --suffix=SUFFIX Suffix to append to paths\n", program_invocation_short_name); return 0; } static int list_homes(void) { uint64_t i = 0; int r = 0; for (i = 0; i < ELEMENTSOF(path_table); i++) { _cleanup_free_ char *p = NULL; int q; q = sd_path_home(i, arg_suffix, &p); if (q == -ENXIO) continue; if (q < 0) { log_error("Failed to query %s: %s", path_table[i], strerror(-r)); r = q; continue; } printf("%s: %s\n", path_table[i], p); } return r; } static int print_home(const char *n) { uint64_t i = 0; int r; for (i = 0; i < ELEMENTSOF(path_table); i++) { if (streq(path_table[i], n)) { _cleanup_free_ char *p = NULL; r = sd_path_home(i, arg_suffix, &p); if (r < 0) { log_error("Failed to query %s: %s", n, strerror(-r)); return r; } printf("%s\n", p); return 0; } } log_error("Path %s not known.", n); return -ENOTSUP; } static int parse_argv(int argc, char *argv[]) { enum { ARG_VERSION = 0x100, ARG_SUFFIX, }; static const struct option options[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, ARG_VERSION }, { "suffix", required_argument, NULL, ARG_SUFFIX }, {} }; int c; assert(argc >= 0); assert(argv); while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) { switch (c) { case 'h': return help(); case ARG_VERSION: puts(PACKAGE_STRING); puts(SYSTEMD_FEATURES); return 0; case ARG_SUFFIX: arg_suffix = optarg; break; case '?': return -EINVAL; default: assert_not_reached("Unhandled option"); } } return 1; } int main(int argc, char* argv[]) { int r; log_parse_environment(); log_open(); r = parse_argv(argc, argv); if (r <= 0) goto finish; if (argc > optind) { int i, q; for (i = optind; i < argc; i++) { q = print_home(argv[i]); if (q < 0) r = q; } } else r = list_homes(); finish: return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }