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 "alloc-util.h"
23 #include "architecture.h"
27 #include "path-util.h"
28 #include "string-util.h"
30 #include "user-util.h"
33 static int from_environment(const char *envname
, const char *fallback
, const char **ret
) {
39 e
= secure_getenv(envname
);
40 if (e
&& path_is_absolute(e
)) {
54 static int from_home_dir(const char *envname
, const char *suffix
, char **buffer
, const char **ret
) {
55 _cleanup_free_
char *h
= NULL
;
66 e
= secure_getenv(envname
);
67 if (e
&& path_is_absolute(e
)) {
78 cc
= strappend(h
, suffix
);
80 cc
= strjoin(h
, "/", suffix
, NULL
);
89 static int from_user_dir(const char *field
, char **buffer
, const char **ret
) {
90 _cleanup_fclose_
FILE *f
= NULL
;
91 _cleanup_free_
char *b
= NULL
;
92 const char *fn
= NULL
;
101 r
= from_home_dir(NULL
, ".config/user-dirs.dirs", &b
, &fn
);
113 /* This is an awful parse, but it follows closely what
114 * xdg-user-dirs does upstream */
117 FOREACH_LINE(line
, f
, return -errno
) {
122 if (!strneq(l
, field
, n
))
126 p
+= strspn(p
, WHITESPACE
);
132 p
+= strspn(p
, WHITESPACE
);
143 /* Three syntaxes permitted: relative to $HOME, $HOME itself, and absolute path */
144 if (startswith(p
, "$HOME/")) {
145 _cleanup_free_
char *h
= NULL
;
148 r
= get_home_dir(&h
);
152 cc
= strappend(h
, p
+5);
159 } else if (streq(p
, "$HOME")) {
161 r
= get_home_dir(buffer
);
167 } else if (path_is_absolute(p
)) {
181 /* The desktop directory defaults to $HOME/Desktop, the others to $HOME */
182 if (streq(field
, "XDG_DESKTOP_DIR")) {
183 _cleanup_free_
char *h
= NULL
;
186 r
= get_home_dir(&h
);
190 cc
= strappend(h
, "/Desktop");
198 r
= get_home_dir(buffer
);
208 static int get_path(uint64_t type
, char **buffer
, const char **ret
) {
216 case SD_PATH_TEMPORARY
:
217 return from_environment("TMPDIR", "/tmp", ret
);
219 case SD_PATH_TEMPORARY_LARGE
:
220 return from_environment("TMPDIR", "/var/tmp", ret
);
222 case SD_PATH_SYSTEM_BINARIES
:
226 case SD_PATH_SYSTEM_INCLUDE
:
227 *ret
= "/usr/include";
230 case SD_PATH_SYSTEM_LIBRARY_PRIVATE
:
234 case SD_PATH_SYSTEM_LIBRARY_ARCH
:
238 case SD_PATH_SYSTEM_SHARED
:
242 case SD_PATH_SYSTEM_CONFIGURATION_FACTORY
:
243 *ret
= "/usr/share/factory/etc";
246 case SD_PATH_SYSTEM_STATE_FACTORY
:
247 *ret
= "/usr/share/factory/var";
250 case SD_PATH_SYSTEM_CONFIGURATION
:
254 case SD_PATH_SYSTEM_RUNTIME
:
258 case SD_PATH_SYSTEM_RUNTIME_LOGS
:
262 case SD_PATH_SYSTEM_STATE_PRIVATE
:
266 case SD_PATH_SYSTEM_STATE_LOGS
:
270 case SD_PATH_SYSTEM_STATE_CACHE
:
274 case SD_PATH_SYSTEM_STATE_SPOOL
:
278 case SD_PATH_USER_BINARIES
:
279 return from_home_dir(NULL
, ".local/bin", buffer
, ret
);
281 case SD_PATH_USER_LIBRARY_PRIVATE
:
282 return from_home_dir(NULL
, ".local/lib", buffer
, ret
);
284 case SD_PATH_USER_LIBRARY_ARCH
:
285 return from_home_dir(NULL
, ".local/lib/" LIB_ARCH_TUPLE
, buffer
, ret
);
287 case SD_PATH_USER_SHARED
:
288 return from_home_dir("XDG_DATA_HOME", ".local/share", buffer
, ret
);
290 case SD_PATH_USER_CONFIGURATION
:
291 return from_home_dir("XDG_CONFIG_HOME", ".config", buffer
, ret
);
293 case SD_PATH_USER_RUNTIME
:
294 return from_environment("XDG_RUNTIME_DIR", NULL
, ret
);
296 case SD_PATH_USER_STATE_CACHE
:
297 return from_home_dir("XDG_CACHE_HOME", ".cache", buffer
, ret
);
300 r
= get_home_dir(buffer
);
307 case SD_PATH_USER_DOCUMENTS
:
308 return from_user_dir("XDG_DOCUMENTS_DIR", buffer
, ret
);
310 case SD_PATH_USER_MUSIC
:
311 return from_user_dir("XDG_MUSIC_DIR", buffer
, ret
);
313 case SD_PATH_USER_PICTURES
:
314 return from_user_dir("XDG_PICTURES_DIR", buffer
, ret
);
316 case SD_PATH_USER_VIDEOS
:
317 return from_user_dir("XDG_VIDEOS_DIR", buffer
, ret
);
319 case SD_PATH_USER_DOWNLOAD
:
320 return from_user_dir("XDG_DOWNLOAD_DIR", buffer
, ret
);
322 case SD_PATH_USER_PUBLIC
:
323 return from_user_dir("XDG_PUBLICSHARE_DIR", buffer
, ret
);
325 case SD_PATH_USER_TEMPLATES
:
326 return from_user_dir("XDG_TEMPLATES_DIR", buffer
, ret
);
328 case SD_PATH_USER_DESKTOP
:
329 return from_user_dir("XDG_DESKTOP_DIR", buffer
, ret
);
335 _public_
int sd_path_home(uint64_t type
, const char *suffix
, char **path
) {
336 char *buffer
= NULL
, *cc
;
340 assert_return(path
, -EINVAL
);
343 SD_PATH_SEARCH_BINARIES
,
344 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
345 SD_PATH_SEARCH_LIBRARY_ARCH
,
346 SD_PATH_SEARCH_SHARED
,
347 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
348 SD_PATH_SEARCH_STATE_FACTORY
,
349 SD_PATH_SEARCH_CONFIGURATION
)) {
351 _cleanup_strv_free_
char **l
= NULL
;
353 r
= sd_path_search(type
, suffix
, &l
);
357 buffer
= strv_join(l
, ":");
365 r
= get_path(type
, &buffer
, &ret
);
371 buffer
= strdup(ret
);
380 suffix
+= strspn(suffix
, "/");
382 if (endswith(ret
, "/"))
383 cc
= strappend(ret
, suffix
);
385 cc
= strjoin(ret
, "/", suffix
, NULL
);
396 static int search_from_environment(
398 const char *env_home
,
399 const char *home_suffix
,
400 const char *env_search
,
401 bool env_search_sufficient
,
402 const char *first
, ...) {
412 e
= secure_getenv(env_search
);
414 l
= strv_split(e
, ":");
418 if (env_search_sufficient
) {
429 l
= strv_new_ap(first
, ap
);
437 e
= secure_getenv(env_home
);
438 if (e
&& path_is_absolute(e
)) {
447 if (!h
&& home_suffix
) {
448 e
= secure_getenv("HOME");
449 if (e
&& path_is_absolute(e
)) {
450 if (endswith(e
, "/"))
451 h
= strappend(e
, home_suffix
);
453 h
= strjoin(e
, "/", home_suffix
, NULL
);
463 r
= strv_consume_prepend(&l
, h
);
474 static int get_search(uint64_t type
, char ***list
) {
480 case SD_PATH_SEARCH_BINARIES
:
481 return search_from_environment(list
,
490 #ifdef HAVE_SPLIT_USR
496 case SD_PATH_SEARCH_LIBRARY_PRIVATE
:
497 return search_from_environment(list
,
504 #ifdef HAVE_SPLIT_USR
509 case SD_PATH_SEARCH_LIBRARY_ARCH
:
510 return search_from_environment(list
,
512 ".local/lib/" LIB_ARCH_TUPLE
,
516 #ifdef HAVE_SPLIT_USR
521 case SD_PATH_SEARCH_SHARED
:
522 return search_from_environment(list
,
531 case SD_PATH_SEARCH_CONFIGURATION_FACTORY
:
532 return search_from_environment(list
,
537 "/usr/local/share/factory/etc",
538 "/usr/share/factory/etc",
541 case SD_PATH_SEARCH_STATE_FACTORY
:
542 return search_from_environment(list
,
547 "/usr/local/share/factory/var",
548 "/usr/share/factory/var",
551 case SD_PATH_SEARCH_CONFIGURATION
:
552 return search_from_environment(list
,
564 _public_
int sd_path_search(uint64_t type
, const char *suffix
, char ***paths
) {
565 char **l
, **i
, **j
, **n
;
568 assert_return(paths
, -EINVAL
);
571 SD_PATH_SEARCH_BINARIES
,
572 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
573 SD_PATH_SEARCH_LIBRARY_ARCH
,
574 SD_PATH_SEARCH_SHARED
,
575 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
576 SD_PATH_SEARCH_STATE_FACTORY
,
577 SD_PATH_SEARCH_CONFIGURATION
)) {
581 r
= sd_path_home(type
, suffix
, &p
);
598 r
= get_search(type
, &l
);
607 n
= new(char*, strv_length(l
)+1);
616 if (endswith(*i
, "/"))
617 *j
= strappend(*i
, suffix
);
619 *j
= strjoin(*i
, "/", suffix
, NULL
);