diff options
Diffstat (limited to 'src/systemd-path/path.c')
| -rw-r--r-- | src/systemd-path/path.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/systemd-path/path.c b/src/systemd-path/path.c new file mode 100644 index 0000000000..61d877fcf8 --- /dev/null +++ b/src/systemd-path/path.c @@ -0,0 +1,198 @@ +/*** + 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 <errno.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> + +#include "sd-path.h" + +#include "alloc-util.h" +#include "log.h" +#include "macro.h" +#include "string-util.h" +#include "util.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 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_errno(r, "Failed to query %s: %m", path_table[i]); + 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) + return log_error_errno(r, "Failed to query %s: %m", n); + + printf("%s\n", p); + return 0; + } + } + + log_error("Path %s not known.", n); + return -EOPNOTSUPP; +} + +static void 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); +} + +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': + help(); + return 0; + + case ARG_VERSION: + return version(); + + 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; +} |