2 This file is part of systemd.
4 Copyright 2014 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
21 #include "architecture.h"
22 #include "path-util.h"
26 static int from_environment(const char *envname, const char *fallback, const char **ret) {
32 e = secure_getenv(envname);
33 if (e && path_is_absolute(e)) {
47 static int from_home_dir(const char *envname, const char *suffix, char **buffer, const char **ret) {
48 _cleanup_free_ char *h = NULL;
59 e = secure_getenv(envname);
60 if (e && path_is_absolute(e)) {
71 cc = strappend(h, suffix);
73 cc = strjoin(h, "/", suffix, NULL);
82 static int from_user_dir(const char *field, char **buffer, const char **ret) {
83 _cleanup_fclose_ FILE *f = NULL;
84 _cleanup_free_ char *b = NULL;
85 const char *fn = NULL;
94 r = from_home_dir(NULL, ".config/user-dirs.dirs", &b, &fn);
106 /* This is an awful parse, but it follows closely what
107 * xdg-user-dirs does upstream */
110 FOREACH_LINE(line, f, return -errno) {
115 if (!strneq(l, field, n))
119 p += strspn(p, WHITESPACE);
125 p += strspn(p, WHITESPACE);
136 /* Three syntaxes permitted: relative to $HOME, $HOME itself, and absolute path */
137 if (startswith(p, "$HOME/")) {
138 _cleanup_free_ char *h = NULL;
141 r = get_home_dir(&h);
145 cc = strappend(h, p+5);
152 } else if (streq(p, "$HOME")) {
154 r = get_home_dir(buffer);
160 } else if (path_is_absolute(p)) {
174 /* The desktop directory defaults to $HOME/Desktop, the others to $HOME */
175 if (streq(field, "XDG_DESKTOP_DIR")) {
176 _cleanup_free_ char *h = NULL;
179 r = get_home_dir(&h);
183 cc = strappend(h, "/Desktop");
191 r = get_home_dir(buffer);
201 static int get_path(uint64_t type, char **buffer, const char **ret) {
209 case SD_PATH_TEMPORARY:
210 return from_environment("TMPDIR", "/tmp", ret);
212 case SD_PATH_TEMPORARY_LARGE:
213 return from_environment("TMPDIR", "/var/tmp", ret);
215 case SD_PATH_SYSTEM_BINARIES:
219 case SD_PATH_SYSTEM_INCLUDE:
220 *ret = "/usr/include";
223 case SD_PATH_SYSTEM_LIBRARY_PRIVATE:
227 case SD_PATH_SYSTEM_LIBRARY_ARCH:
231 case SD_PATH_SYSTEM_SHARED:
235 case SD_PATH_SYSTEM_CONFIGURATION_FACTORY:
236 *ret = "/usr/share/factory/etc";
239 case SD_PATH_SYSTEM_STATE_FACTORY:
240 *ret = "/usr/share/factory/var";
243 case SD_PATH_SYSTEM_CONFIGURATION:
247 case SD_PATH_SYSTEM_RUNTIME:
251 case SD_PATH_SYSTEM_RUNTIME_LOGS:
255 case SD_PATH_SYSTEM_STATE_PRIVATE:
259 case SD_PATH_SYSTEM_STATE_LOGS:
263 case SD_PATH_SYSTEM_STATE_CACHE:
267 case SD_PATH_SYSTEM_STATE_SPOOL:
271 case SD_PATH_USER_BINARIES:
272 return from_home_dir(NULL, ".local/bin", buffer, ret);
274 case SD_PATH_USER_LIBRARY_PRIVATE:
275 return from_home_dir(NULL, ".local/lib", buffer, ret);
277 case SD_PATH_USER_LIBRARY_ARCH:
278 return from_home_dir(NULL, ".local/lib/" LIB_ARCH_TUPLE, buffer, ret);
280 case SD_PATH_USER_SHARED:
281 return from_home_dir("XDG_DATA_HOME", ".local/share", buffer, ret);
283 case SD_PATH_USER_CONFIGURATION:
284 return from_home_dir("XDG_CONFIG_HOME", ".config", buffer, ret);
286 case SD_PATH_USER_RUNTIME:
287 return from_environment("XDG_RUNTIME_DIR", NULL, ret);
289 case SD_PATH_USER_STATE_CACHE:
290 return from_home_dir("XDG_CACHE_HOME", ".cache", buffer, ret);
293 r = get_home_dir(buffer);
300 case SD_PATH_USER_DOCUMENTS:
301 return from_user_dir("XDG_DOCUMENTS_DIR", buffer, ret);
303 case SD_PATH_USER_MUSIC:
304 return from_user_dir("XDG_MUSIC_DIR", buffer, ret);
306 case SD_PATH_USER_PICTURES:
307 return from_user_dir("XDG_PICTURES_DIR", buffer, ret);
309 case SD_PATH_USER_VIDEOS:
310 return from_user_dir("XDG_VIDEOS_DIR", buffer, ret);
312 case SD_PATH_USER_DOWNLOAD:
313 return from_user_dir("XDG_DOWNLOAD_DIR", buffer, ret);
315 case SD_PATH_USER_PUBLIC:
316 return from_user_dir("XDG_PUBLICSHARE_DIR", buffer, ret);
318 case SD_PATH_USER_TEMPLATES:
319 return from_user_dir("XDG_TEMPLATES_DIR", buffer, ret);
321 case SD_PATH_USER_DESKTOP:
322 return from_user_dir("XDG_DESKTOP_DIR", buffer, ret);
328 int sd_path_home(uint64_t type, const char *suffix, char **path) {
329 char *buffer = NULL, *cc;
333 assert_return(path, -EINVAL);
336 SD_PATH_SEARCH_BINARIES,
337 SD_PATH_SEARCH_LIBRARY_PRIVATE,
338 SD_PATH_SEARCH_LIBRARY_ARCH,
339 SD_PATH_SEARCH_SHARED,
340 SD_PATH_SEARCH_CONFIGURATION_FACTORY,
341 SD_PATH_SEARCH_STATE_FACTORY,
342 SD_PATH_SEARCH_CONFIGURATION)) {
344 _cleanup_strv_free_ char **l = NULL;
346 r = sd_path_search(type, suffix, &l);
350 buffer = strv_join(l, ":");
358 r = get_path(type, &buffer, &ret);
364 buffer = strdup(ret);
373 suffix += strspn(suffix, "/");
375 if (endswith(ret, "/"))
376 cc = strappend(ret, suffix);
378 cc = strjoin(ret, "/", suffix, NULL);
389 static int search_from_environment(
391 const char *env_home,
392 const char *home_suffix,
393 const char *env_search,
394 bool env_search_sufficient,
395 const char *first, ...) {
405 e = secure_getenv(env_search);
407 l = strv_split(e, ":");
411 if (env_search_sufficient) {
422 l = strv_new_ap(first, ap);
430 e = secure_getenv(env_home);
431 if (e && path_is_absolute(e)) {
440 if (!h && home_suffix) {
441 e = secure_getenv("HOME");
442 if (e && path_is_absolute(e)) {
443 if (endswith(e, "/"))
444 h = strappend(e, home_suffix);
446 h = strjoin(e, "/", home_suffix, NULL);
456 r = strv_consume_prepend(&l, h);
467 static int get_search(uint64_t type, char ***list) {
473 case SD_PATH_SEARCH_BINARIES:
474 return search_from_environment(list,
483 #ifdef HAVE_SPLIT_USR
489 case SD_PATH_SEARCH_LIBRARY_PRIVATE:
490 return search_from_environment(list,
497 #ifdef HAVE_SPLIT_USR
502 case SD_PATH_SEARCH_LIBRARY_ARCH:
503 return search_from_environment(list,
505 ".local/lib/" LIB_ARCH_TUPLE,
509 #ifdef HAVE_SPLIT_USR
514 case SD_PATH_SEARCH_SHARED:
515 return search_from_environment(list,
524 case SD_PATH_SEARCH_CONFIGURATION_FACTORY:
525 return search_from_environment(list,
530 "/usr/local/share/factory/etc",
531 "/usr/share/factory/etc",
534 case SD_PATH_SEARCH_STATE_FACTORY:
535 return search_from_environment(list,
540 "/usr/local/share/factory/var",
541 "/usr/share/factory/var",
544 case SD_PATH_SEARCH_CONFIGURATION:
545 return search_from_environment(list,
557 int sd_path_search(uint64_t type, const char *suffix, char ***paths) {
558 char **l, **i, **j, **n;
561 assert_return(paths, -EINVAL);
564 SD_PATH_SEARCH_BINARIES,
565 SD_PATH_SEARCH_LIBRARY_PRIVATE,
566 SD_PATH_SEARCH_LIBRARY_ARCH,
567 SD_PATH_SEARCH_SHARED,
568 SD_PATH_SEARCH_CONFIGURATION_FACTORY,
569 SD_PATH_SEARCH_STATE_FACTORY,
570 SD_PATH_SEARCH_CONFIGURATION)) {
574 r = sd_path_home(type, suffix, &p);
591 r = get_search(type, &l);
600 n = new(char*, strv_length(l)+1);
609 if (endswith(*i, "/"))
610 *j = strappend(*i, suffix);
612 *j = strjoin(*i, "/", suffix, NULL);