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/>.
22 #include "architecture.h"
25 #include "path-util.h"
26 #include "string-util.h"
30 static int from_environment(const char *envname
, const char *fallback
, const char **ret
) {
36 e
= secure_getenv(envname
);
37 if (e
&& path_is_absolute(e
)) {
51 static int from_home_dir(const char *envname
, const char *suffix
, char **buffer
, const char **ret
) {
52 _cleanup_free_
char *h
= NULL
;
63 e
= secure_getenv(envname
);
64 if (e
&& path_is_absolute(e
)) {
75 cc
= strappend(h
, suffix
);
77 cc
= strjoin(h
, "/", suffix
, NULL
);
86 static int from_user_dir(const char *field
, char **buffer
, const char **ret
) {
87 _cleanup_fclose_
FILE *f
= NULL
;
88 _cleanup_free_
char *b
= NULL
;
89 const char *fn
= NULL
;
98 r
= from_home_dir(NULL
, ".config/user-dirs.dirs", &b
, &fn
);
110 /* This is an awful parse, but it follows closely what
111 * xdg-user-dirs does upstream */
114 FOREACH_LINE(line
, f
, return -errno
) {
119 if (!strneq(l
, field
, n
))
123 p
+= strspn(p
, WHITESPACE
);
129 p
+= strspn(p
, WHITESPACE
);
140 /* Three syntaxes permitted: relative to $HOME, $HOME itself, and absolute path */
141 if (startswith(p
, "$HOME/")) {
142 _cleanup_free_
char *h
= NULL
;
145 r
= get_home_dir(&h
);
149 cc
= strappend(h
, p
+5);
156 } else if (streq(p
, "$HOME")) {
158 r
= get_home_dir(buffer
);
164 } else if (path_is_absolute(p
)) {
178 /* The desktop directory defaults to $HOME/Desktop, the others to $HOME */
179 if (streq(field
, "XDG_DESKTOP_DIR")) {
180 _cleanup_free_
char *h
= NULL
;
183 r
= get_home_dir(&h
);
187 cc
= strappend(h
, "/Desktop");
195 r
= get_home_dir(buffer
);
205 static int get_path(uint64_t type
, char **buffer
, const char **ret
) {
213 case SD_PATH_TEMPORARY
:
214 return from_environment("TMPDIR", "/tmp", ret
);
216 case SD_PATH_TEMPORARY_LARGE
:
217 return from_environment("TMPDIR", "/var/tmp", ret
);
219 case SD_PATH_SYSTEM_BINARIES
:
223 case SD_PATH_SYSTEM_INCLUDE
:
224 *ret
= "/usr/include";
227 case SD_PATH_SYSTEM_LIBRARY_PRIVATE
:
231 case SD_PATH_SYSTEM_LIBRARY_ARCH
:
235 case SD_PATH_SYSTEM_SHARED
:
239 case SD_PATH_SYSTEM_CONFIGURATION_FACTORY
:
240 *ret
= "/usr/share/factory/etc";
243 case SD_PATH_SYSTEM_STATE_FACTORY
:
244 *ret
= "/usr/share/factory/var";
247 case SD_PATH_SYSTEM_CONFIGURATION
:
251 case SD_PATH_SYSTEM_RUNTIME
:
255 case SD_PATH_SYSTEM_RUNTIME_LOGS
:
259 case SD_PATH_SYSTEM_STATE_PRIVATE
:
263 case SD_PATH_SYSTEM_STATE_LOGS
:
267 case SD_PATH_SYSTEM_STATE_CACHE
:
271 case SD_PATH_SYSTEM_STATE_SPOOL
:
275 case SD_PATH_USER_BINARIES
:
276 return from_home_dir(NULL
, ".local/bin", buffer
, ret
);
278 case SD_PATH_USER_LIBRARY_PRIVATE
:
279 return from_home_dir(NULL
, ".local/lib", buffer
, ret
);
281 case SD_PATH_USER_LIBRARY_ARCH
:
282 return from_home_dir(NULL
, ".local/lib/" LIB_ARCH_TUPLE
, buffer
, ret
);
284 case SD_PATH_USER_SHARED
:
285 return from_home_dir("XDG_DATA_HOME", ".local/share", buffer
, ret
);
287 case SD_PATH_USER_CONFIGURATION
:
288 return from_home_dir("XDG_CONFIG_HOME", ".config", buffer
, ret
);
290 case SD_PATH_USER_RUNTIME
:
291 return from_environment("XDG_RUNTIME_DIR", NULL
, ret
);
293 case SD_PATH_USER_STATE_CACHE
:
294 return from_home_dir("XDG_CACHE_HOME", ".cache", buffer
, ret
);
297 r
= get_home_dir(buffer
);
304 case SD_PATH_USER_DOCUMENTS
:
305 return from_user_dir("XDG_DOCUMENTS_DIR", buffer
, ret
);
307 case SD_PATH_USER_MUSIC
:
308 return from_user_dir("XDG_MUSIC_DIR", buffer
, ret
);
310 case SD_PATH_USER_PICTURES
:
311 return from_user_dir("XDG_PICTURES_DIR", buffer
, ret
);
313 case SD_PATH_USER_VIDEOS
:
314 return from_user_dir("XDG_VIDEOS_DIR", buffer
, ret
);
316 case SD_PATH_USER_DOWNLOAD
:
317 return from_user_dir("XDG_DOWNLOAD_DIR", buffer
, ret
);
319 case SD_PATH_USER_PUBLIC
:
320 return from_user_dir("XDG_PUBLICSHARE_DIR", buffer
, ret
);
322 case SD_PATH_USER_TEMPLATES
:
323 return from_user_dir("XDG_TEMPLATES_DIR", buffer
, ret
);
325 case SD_PATH_USER_DESKTOP
:
326 return from_user_dir("XDG_DESKTOP_DIR", buffer
, ret
);
332 _public_
int sd_path_home(uint64_t type
, const char *suffix
, char **path
) {
333 char *buffer
= NULL
, *cc
;
337 assert_return(path
, -EINVAL
);
340 SD_PATH_SEARCH_BINARIES
,
341 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
342 SD_PATH_SEARCH_LIBRARY_ARCH
,
343 SD_PATH_SEARCH_SHARED
,
344 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
345 SD_PATH_SEARCH_STATE_FACTORY
,
346 SD_PATH_SEARCH_CONFIGURATION
)) {
348 _cleanup_strv_free_
char **l
= NULL
;
350 r
= sd_path_search(type
, suffix
, &l
);
354 buffer
= strv_join(l
, ":");
362 r
= get_path(type
, &buffer
, &ret
);
368 buffer
= strdup(ret
);
377 suffix
+= strspn(suffix
, "/");
379 if (endswith(ret
, "/"))
380 cc
= strappend(ret
, suffix
);
382 cc
= strjoin(ret
, "/", suffix
, NULL
);
393 static int search_from_environment(
395 const char *env_home
,
396 const char *home_suffix
,
397 const char *env_search
,
398 bool env_search_sufficient
,
399 const char *first
, ...) {
409 e
= secure_getenv(env_search
);
411 l
= strv_split(e
, ":");
415 if (env_search_sufficient
) {
426 l
= strv_new_ap(first
, ap
);
434 e
= secure_getenv(env_home
);
435 if (e
&& path_is_absolute(e
)) {
444 if (!h
&& home_suffix
) {
445 e
= secure_getenv("HOME");
446 if (e
&& path_is_absolute(e
)) {
447 if (endswith(e
, "/"))
448 h
= strappend(e
, home_suffix
);
450 h
= strjoin(e
, "/", home_suffix
, NULL
);
460 r
= strv_consume_prepend(&l
, h
);
471 static int get_search(uint64_t type
, char ***list
) {
477 case SD_PATH_SEARCH_BINARIES
:
478 return search_from_environment(list
,
487 #ifdef HAVE_SPLIT_USR
493 case SD_PATH_SEARCH_LIBRARY_PRIVATE
:
494 return search_from_environment(list
,
501 #ifdef HAVE_SPLIT_USR
506 case SD_PATH_SEARCH_LIBRARY_ARCH
:
507 return search_from_environment(list
,
509 ".local/lib/" LIB_ARCH_TUPLE
,
513 #ifdef HAVE_SPLIT_USR
518 case SD_PATH_SEARCH_SHARED
:
519 return search_from_environment(list
,
528 case SD_PATH_SEARCH_CONFIGURATION_FACTORY
:
529 return search_from_environment(list
,
534 "/usr/local/share/factory/etc",
535 "/usr/share/factory/etc",
538 case SD_PATH_SEARCH_STATE_FACTORY
:
539 return search_from_environment(list
,
544 "/usr/local/share/factory/var",
545 "/usr/share/factory/var",
548 case SD_PATH_SEARCH_CONFIGURATION
:
549 return search_from_environment(list
,
561 _public_
int sd_path_search(uint64_t type
, const char *suffix
, char ***paths
) {
562 char **l
, **i
, **j
, **n
;
565 assert_return(paths
, -EINVAL
);
568 SD_PATH_SEARCH_BINARIES
,
569 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
570 SD_PATH_SEARCH_LIBRARY_ARCH
,
571 SD_PATH_SEARCH_SHARED
,
572 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
573 SD_PATH_SEARCH_STATE_FACTORY
,
574 SD_PATH_SEARCH_CONFIGURATION
)) {
578 r
= sd_path_home(type
, suffix
, &p
);
595 r
= get_search(type
, &l
);
604 n
= new(char*, strv_length(l
)+1);
613 if (endswith(*i
, "/"))
614 *j
= strappend(*i
, suffix
);
616 *j
= strjoin(*i
, "/", suffix
, NULL
);