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"
28 #include "path-util.h"
29 #include "string-util.h"
31 #include "user-util.h"
34 static int from_environment(const char *envname
, const char *fallback
, const char **ret
) {
40 e
= secure_getenv(envname
);
41 if (e
&& path_is_absolute(e
)) {
55 static int from_home_dir(const char *envname
, const char *suffix
, char **buffer
, const char **ret
) {
56 _cleanup_free_
char *h
= NULL
;
67 e
= secure_getenv(envname
);
68 if (e
&& path_is_absolute(e
)) {
79 cc
= strappend(h
, suffix
);
81 cc
= strjoin(h
, "/", suffix
);
90 static int from_user_dir(const char *field
, char **buffer
, const char **ret
) {
91 _cleanup_fclose_
FILE *f
= NULL
;
92 _cleanup_free_
char *b
= NULL
;
93 _cleanup_free_
const char *fn
= NULL
;
103 r
= from_home_dir("XDG_CONFIG_HOME", ".config", &b
, &c
);
107 fn
= strappend(c
, "/user-dirs.dirs");
119 /* This is an awful parse, but it follows closely what
120 * xdg-user-dirs does upstream */
123 FOREACH_LINE(line
, f
, return -errno
) {
128 if (!strneq(l
, field
, n
))
132 p
+= strspn(p
, WHITESPACE
);
138 p
+= strspn(p
, WHITESPACE
);
149 /* Three syntaxes permitted: relative to $HOME, $HOME itself, and absolute path */
150 if (startswith(p
, "$HOME/")) {
151 _cleanup_free_
char *h
= NULL
;
154 r
= get_home_dir(&h
);
158 cc
= strappend(h
, p
+5);
165 } else if (streq(p
, "$HOME")) {
167 r
= get_home_dir(buffer
);
173 } else if (path_is_absolute(p
)) {
187 /* The desktop directory defaults to $HOME/Desktop, the others to $HOME */
188 if (streq(field
, "XDG_DESKTOP_DIR")) {
189 _cleanup_free_
char *h
= NULL
;
192 r
= get_home_dir(&h
);
196 cc
= strappend(h
, "/Desktop");
204 r
= get_home_dir(buffer
);
214 static int get_path(uint64_t type
, char **buffer
, const char **ret
) {
222 case SD_PATH_TEMPORARY
:
225 case SD_PATH_TEMPORARY_LARGE
:
226 return var_tmp_dir(ret
);
228 case SD_PATH_SYSTEM_BINARIES
:
232 case SD_PATH_SYSTEM_INCLUDE
:
233 *ret
= "/usr/include";
236 case SD_PATH_SYSTEM_LIBRARY_PRIVATE
:
240 case SD_PATH_SYSTEM_LIBRARY_ARCH
:
244 case SD_PATH_SYSTEM_SHARED
:
248 case SD_PATH_SYSTEM_CONFIGURATION_FACTORY
:
249 *ret
= "/usr/share/factory/etc";
252 case SD_PATH_SYSTEM_STATE_FACTORY
:
253 *ret
= "/usr/share/factory/var";
256 case SD_PATH_SYSTEM_CONFIGURATION
:
260 case SD_PATH_SYSTEM_RUNTIME
:
264 case SD_PATH_SYSTEM_RUNTIME_LOGS
:
268 case SD_PATH_SYSTEM_STATE_PRIVATE
:
272 case SD_PATH_SYSTEM_STATE_LOGS
:
276 case SD_PATH_SYSTEM_STATE_CACHE
:
280 case SD_PATH_SYSTEM_STATE_SPOOL
:
284 case SD_PATH_USER_BINARIES
:
285 return from_home_dir(NULL
, ".local/bin", buffer
, ret
);
287 case SD_PATH_USER_LIBRARY_PRIVATE
:
288 return from_home_dir(NULL
, ".local/lib", buffer
, ret
);
290 case SD_PATH_USER_LIBRARY_ARCH
:
291 return from_home_dir(NULL
, ".local/lib/" LIB_ARCH_TUPLE
, buffer
, ret
);
293 case SD_PATH_USER_SHARED
:
294 return from_home_dir("XDG_DATA_HOME", ".local/share", buffer
, ret
);
296 case SD_PATH_USER_CONFIGURATION
:
297 return from_home_dir("XDG_CONFIG_HOME", ".config", buffer
, ret
);
299 case SD_PATH_USER_RUNTIME
:
300 return from_environment("XDG_RUNTIME_DIR", NULL
, ret
);
302 case SD_PATH_USER_STATE_CACHE
:
303 return from_home_dir("XDG_CACHE_HOME", ".cache", buffer
, ret
);
306 r
= get_home_dir(buffer
);
313 case SD_PATH_USER_DOCUMENTS
:
314 return from_user_dir("XDG_DOCUMENTS_DIR", buffer
, ret
);
316 case SD_PATH_USER_MUSIC
:
317 return from_user_dir("XDG_MUSIC_DIR", buffer
, ret
);
319 case SD_PATH_USER_PICTURES
:
320 return from_user_dir("XDG_PICTURES_DIR", buffer
, ret
);
322 case SD_PATH_USER_VIDEOS
:
323 return from_user_dir("XDG_VIDEOS_DIR", buffer
, ret
);
325 case SD_PATH_USER_DOWNLOAD
:
326 return from_user_dir("XDG_DOWNLOAD_DIR", buffer
, ret
);
328 case SD_PATH_USER_PUBLIC
:
329 return from_user_dir("XDG_PUBLICSHARE_DIR", buffer
, ret
);
331 case SD_PATH_USER_TEMPLATES
:
332 return from_user_dir("XDG_TEMPLATES_DIR", buffer
, ret
);
334 case SD_PATH_USER_DESKTOP
:
335 return from_user_dir("XDG_DESKTOP_DIR", buffer
, ret
);
341 _public_
int sd_path_home(uint64_t type
, const char *suffix
, char **path
) {
342 char *buffer
= NULL
, *cc
;
346 assert_return(path
, -EINVAL
);
349 SD_PATH_SEARCH_BINARIES
,
350 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
351 SD_PATH_SEARCH_LIBRARY_ARCH
,
352 SD_PATH_SEARCH_SHARED
,
353 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
354 SD_PATH_SEARCH_STATE_FACTORY
,
355 SD_PATH_SEARCH_CONFIGURATION
)) {
357 _cleanup_strv_free_
char **l
= NULL
;
359 r
= sd_path_search(type
, suffix
, &l
);
363 buffer
= strv_join(l
, ":");
371 r
= get_path(type
, &buffer
, &ret
);
377 buffer
= strdup(ret
);
386 suffix
+= strspn(suffix
, "/");
388 if (endswith(ret
, "/"))
389 cc
= strappend(ret
, suffix
);
391 cc
= strjoin(ret
, "/", suffix
);
402 static int search_from_environment(
404 const char *env_home
,
405 const char *home_suffix
,
406 const char *env_search
,
407 bool env_search_sufficient
,
408 const char *first
, ...) {
418 e
= secure_getenv(env_search
);
420 l
= strv_split(e
, ":");
424 if (env_search_sufficient
) {
435 l
= strv_new_ap(first
, ap
);
443 e
= secure_getenv(env_home
);
444 if (e
&& path_is_absolute(e
)) {
453 if (!h
&& home_suffix
) {
454 e
= secure_getenv("HOME");
455 if (e
&& path_is_absolute(e
)) {
456 if (endswith(e
, "/"))
457 h
= strappend(e
, home_suffix
);
459 h
= strjoin(e
, "/", home_suffix
);
469 r
= strv_consume_prepend(&l
, h
);
480 static int get_search(uint64_t type
, char ***list
) {
486 case SD_PATH_SEARCH_BINARIES
:
487 return search_from_environment(list
,
496 #ifdef HAVE_SPLIT_USR
502 case SD_PATH_SEARCH_LIBRARY_PRIVATE
:
503 return search_from_environment(list
,
510 #ifdef HAVE_SPLIT_USR
515 case SD_PATH_SEARCH_LIBRARY_ARCH
:
516 return search_from_environment(list
,
518 ".local/lib/" LIB_ARCH_TUPLE
,
522 #ifdef HAVE_SPLIT_USR
527 case SD_PATH_SEARCH_SHARED
:
528 return search_from_environment(list
,
537 case SD_PATH_SEARCH_CONFIGURATION_FACTORY
:
538 return search_from_environment(list
,
543 "/usr/local/share/factory/etc",
544 "/usr/share/factory/etc",
547 case SD_PATH_SEARCH_STATE_FACTORY
:
548 return search_from_environment(list
,
553 "/usr/local/share/factory/var",
554 "/usr/share/factory/var",
557 case SD_PATH_SEARCH_CONFIGURATION
:
558 return search_from_environment(list
,
570 _public_
int sd_path_search(uint64_t type
, const char *suffix
, char ***paths
) {
571 char **l
, **i
, **j
, **n
;
574 assert_return(paths
, -EINVAL
);
577 SD_PATH_SEARCH_BINARIES
,
578 SD_PATH_SEARCH_LIBRARY_PRIVATE
,
579 SD_PATH_SEARCH_LIBRARY_ARCH
,
580 SD_PATH_SEARCH_SHARED
,
581 SD_PATH_SEARCH_CONFIGURATION_FACTORY
,
582 SD_PATH_SEARCH_STATE_FACTORY
,
583 SD_PATH_SEARCH_CONFIGURATION
)) {
587 r
= sd_path_home(type
, suffix
, &p
);
604 r
= get_search(type
, &l
);
613 n
= new(char*, strv_length(l
)+1);
622 if (endswith(*i
, "/"))
623 *j
= strappend(*i
, suffix
);
625 *j
= strjoin(*i
, "/", suffix
);