summaryrefslogtreecommitdiff
path: root/src/path
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2014-07-02 12:23:36 +0200
committerLennart Poettering <lennart@poettering.net>2014-07-02 12:23:36 +0200
commit9a00f57a5ba7ed431e6bac8d8b36518708503b4e (patch)
treee548891199d5ff830aa74f40cd23e63660dec41a /src/path
parentcd4ba18a849dc82735b3787cf99bd3fdc404d5ae (diff)
path: add new "systemd-path" utility for querying paths described in file-hierarchy(7)
This new tool is based on "sd-path", a new (so far unexported) API for libsystemd, that can hopefully grow into a workable API covering /opt and more one day.
Diffstat (limited to 'src/path')
l---------src/path/Makefile1
-rw-r--r--src/path/path.c208
2 files changed, 209 insertions, 0 deletions
diff --git a/src/path/Makefile b/src/path/Makefile
new file mode 120000
index 0000000000..d0b0e8e008
--- /dev/null
+++ b/src/path/Makefile
@@ -0,0 +1 @@
+../Makefile \ No newline at end of file
diff --git a/src/path/path.c b/src/path/path.c
new file mode 100644
index 0000000000..c2936e0bca
--- /dev/null
+++ b/src/path/path.c
@@ -0,0 +1,208 @@
+/*-*- 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;
+}