diff options
Diffstat (limited to 'src/libsystemd/sd-path')
l--------- | src/libsystemd/sd-path/Makefile | 1 | ||||
-rw-r--r-- | src/libsystemd/sd-path/sd-path.c | 633 |
2 files changed, 0 insertions, 634 deletions
diff --git a/src/libsystemd/sd-path/Makefile b/src/libsystemd/sd-path/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/libsystemd/sd-path/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/libsystemd/sd-path/sd-path.c b/src/libsystemd/sd-path/sd-path.c deleted file mode 100644 index 480f1ad065..0000000000 --- a/src/libsystemd/sd-path/sd-path.c +++ /dev/null @@ -1,633 +0,0 @@ -/*** - 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 "sd-path.h" - -#include "alloc-util.h" -#include "architecture.h" -#include "fd-util.h" -#include "fileio.h" -#include "missing.h" -#include "path-util.h" -#include "string-util.h" -#include "strv.h" -#include "user-util.h" -#include "util.h" - -static int from_environment(const char *envname, const char *fallback, const char **ret) { - assert(ret); - - if (envname) { - const char *e; - - e = secure_getenv(envname); - if (e && path_is_absolute(e)) { - *ret = e; - return 0; - } - } - - if (fallback) { - *ret = fallback; - return 0; - } - - return -ENXIO; -} - -static int from_home_dir(const char *envname, const char *suffix, char **buffer, const char **ret) { - _cleanup_free_ char *h = NULL; - char *cc = NULL; - int r; - - assert(suffix); - assert(buffer); - assert(ret); - - if (envname) { - const char *e = NULL; - - e = secure_getenv(envname); - if (e && path_is_absolute(e)) { - *ret = e; - return 0; - } - } - - r = get_home_dir(&h); - if (r < 0) - return r; - - if (endswith(h, "/")) - cc = strappend(h, suffix); - else - cc = strjoin(h, "/", suffix, NULL); - if (!cc) - return -ENOMEM; - - *buffer = cc; - *ret = cc; - return 0; -} - -static int from_user_dir(const char *field, char **buffer, const char **ret) { - _cleanup_fclose_ FILE *f = NULL; - _cleanup_free_ char *b = NULL; - const char *fn = NULL; - char line[LINE_MAX]; - size_t n; - int r; - - assert(field); - assert(buffer); - assert(ret); - - r = from_home_dir(NULL, ".config/user-dirs.dirs", &b, &fn); - if (r < 0) - return r; - - f = fopen(fn, "re"); - if (!f) { - if (errno == ENOENT) - goto fallback; - - return -errno; - } - - /* This is an awful parse, but it follows closely what - * xdg-user-dirs does upstream */ - - n = strlen(field); - FOREACH_LINE(line, f, return -errno) { - char *l, *p, *e; - - l = strstrip(line); - - if (!strneq(l, field, n)) - continue; - - p = l + n; - p += strspn(p, WHITESPACE); - - if (*p != '=') - continue; - p++; - - p += strspn(p, WHITESPACE); - - if (*p != '"') - continue; - p++; - - e = strrchr(p, '"'); - if (!e) - continue; - *e = 0; - - /* Three syntaxes permitted: relative to $HOME, $HOME itself, and absolute path */ - if (startswith(p, "$HOME/")) { - _cleanup_free_ char *h = NULL; - char *cc; - - r = get_home_dir(&h); - if (r < 0) - return r; - - cc = strappend(h, p+5); - if (!cc) - return -ENOMEM; - - *buffer = cc; - *ret = cc; - return 0; - } else if (streq(p, "$HOME")) { - - r = get_home_dir(buffer); - if (r < 0) - return r; - - *ret = *buffer; - return 0; - } else if (path_is_absolute(p)) { - char *copy; - - copy = strdup(p); - if (!copy) - return -ENOMEM; - - *buffer = copy; - *ret = copy; - return 0; - } - } - -fallback: - /* The desktop directory defaults to $HOME/Desktop, the others to $HOME */ - if (streq(field, "XDG_DESKTOP_DIR")) { - _cleanup_free_ char *h = NULL; - char *cc; - - r = get_home_dir(&h); - if (r < 0) - return r; - - cc = strappend(h, "/Desktop"); - if (!cc) - return -ENOMEM; - - *buffer = cc; - *ret = cc; - } else { - - r = get_home_dir(buffer); - if (r < 0) - return r; - - *ret = *buffer; - } - - return 0; -} - -static int get_path(uint64_t type, char **buffer, const char **ret) { - int r; - - assert(buffer); - assert(ret); - - switch (type) { - - case SD_PATH_TEMPORARY: - return from_environment("TMPDIR", "/tmp", ret); - - case SD_PATH_TEMPORARY_LARGE: - return from_environment("TMPDIR", "/var/tmp", ret); - - case SD_PATH_SYSTEM_BINARIES: - *ret = "/usr/bin"; - return 0; - - case SD_PATH_SYSTEM_INCLUDE: - *ret = "/usr/include"; - return 0; - - case SD_PATH_SYSTEM_LIBRARY_PRIVATE: - *ret = "/usr/lib"; - return 0; - - case SD_PATH_SYSTEM_LIBRARY_ARCH: - *ret = LIBDIR; - return 0; - - case SD_PATH_SYSTEM_SHARED: - *ret = "/usr/share"; - return 0; - - case SD_PATH_SYSTEM_CONFIGURATION_FACTORY: - *ret = "/usr/share/factory/etc"; - return 0; - - case SD_PATH_SYSTEM_STATE_FACTORY: - *ret = "/usr/share/factory/var"; - return 0; - - case SD_PATH_SYSTEM_CONFIGURATION: - *ret = "/etc"; - return 0; - - case SD_PATH_SYSTEM_RUNTIME: - *ret = "/run"; - return 0; - - case SD_PATH_SYSTEM_RUNTIME_LOGS: - *ret = "/run/log"; - return 0; - - case SD_PATH_SYSTEM_STATE_PRIVATE: - *ret = "/var/lib"; - return 0; - - case SD_PATH_SYSTEM_STATE_LOGS: - *ret = "/var/log"; - return 0; - - case SD_PATH_SYSTEM_STATE_CACHE: - *ret = "/var/cache"; - return 0; - - case SD_PATH_SYSTEM_STATE_SPOOL: - *ret = "/var/spool"; - return 0; - - case SD_PATH_USER_BINARIES: - return from_home_dir(NULL, ".local/bin", buffer, ret); - - case SD_PATH_USER_LIBRARY_PRIVATE: - return from_home_dir(NULL, ".local/lib", buffer, ret); - - case SD_PATH_USER_LIBRARY_ARCH: - return from_home_dir(NULL, ".local/lib/" LIB_ARCH_TUPLE, buffer, ret); - - case SD_PATH_USER_SHARED: - return from_home_dir("XDG_DATA_HOME", ".local/share", buffer, ret); - - case SD_PATH_USER_CONFIGURATION: - return from_home_dir("XDG_CONFIG_HOME", ".config", buffer, ret); - - case SD_PATH_USER_RUNTIME: - return from_environment("XDG_RUNTIME_DIR", NULL, ret); - - case SD_PATH_USER_STATE_CACHE: - return from_home_dir("XDG_CACHE_HOME", ".cache", buffer, ret); - - case SD_PATH_USER: - r = get_home_dir(buffer); - if (r < 0) - return r; - - *ret = *buffer; - return 0; - - case SD_PATH_USER_DOCUMENTS: - return from_user_dir("XDG_DOCUMENTS_DIR", buffer, ret); - - case SD_PATH_USER_MUSIC: - return from_user_dir("XDG_MUSIC_DIR", buffer, ret); - - case SD_PATH_USER_PICTURES: - return from_user_dir("XDG_PICTURES_DIR", buffer, ret); - - case SD_PATH_USER_VIDEOS: - return from_user_dir("XDG_VIDEOS_DIR", buffer, ret); - - case SD_PATH_USER_DOWNLOAD: - return from_user_dir("XDG_DOWNLOAD_DIR", buffer, ret); - - case SD_PATH_USER_PUBLIC: - return from_user_dir("XDG_PUBLICSHARE_DIR", buffer, ret); - - case SD_PATH_USER_TEMPLATES: - return from_user_dir("XDG_TEMPLATES_DIR", buffer, ret); - - case SD_PATH_USER_DESKTOP: - return from_user_dir("XDG_DESKTOP_DIR", buffer, ret); - } - - return -EOPNOTSUPP; -} - -_public_ int sd_path_home(uint64_t type, const char *suffix, char **path) { - char *buffer = NULL, *cc; - const char *ret; - int r; - - assert_return(path, -EINVAL); - - if (IN_SET(type, - SD_PATH_SEARCH_BINARIES, - SD_PATH_SEARCH_LIBRARY_PRIVATE, - SD_PATH_SEARCH_LIBRARY_ARCH, - SD_PATH_SEARCH_SHARED, - SD_PATH_SEARCH_CONFIGURATION_FACTORY, - SD_PATH_SEARCH_STATE_FACTORY, - SD_PATH_SEARCH_CONFIGURATION)) { - - _cleanup_strv_free_ char **l = NULL; - - r = sd_path_search(type, suffix, &l); - if (r < 0) - return r; - - buffer = strv_join(l, ":"); - if (!buffer) - return -ENOMEM; - - *path = buffer; - return 0; - } - - r = get_path(type, &buffer, &ret); - if (r < 0) - return r; - - if (!suffix) { - if (!buffer) { - buffer = strdup(ret); - if (!buffer) - return -ENOMEM; - } - - *path = buffer; - return 0; - } - - suffix += strspn(suffix, "/"); - - if (endswith(ret, "/")) - cc = strappend(ret, suffix); - else - cc = strjoin(ret, "/", suffix, NULL); - - free(buffer); - - if (!cc) - return -ENOMEM; - - *path = cc; - return 0; -} - -static int search_from_environment( - char ***list, - const char *env_home, - const char *home_suffix, - const char *env_search, - bool env_search_sufficient, - const char *first, ...) { - - const char *e; - char *h = NULL; - char **l = NULL; - int r; - - assert(list); - - if (env_search) { - e = secure_getenv(env_search); - if (e) { - l = strv_split(e, ":"); - if (!l) - return -ENOMEM; - - if (env_search_sufficient) { - *list = l; - return 0; - } - } - } - - if (!l && first) { - va_list ap; - - va_start(ap, first); - l = strv_new_ap(first, ap); - va_end(ap); - - if (!l) - return -ENOMEM; - } - - if (env_home) { - e = secure_getenv(env_home); - if (e && path_is_absolute(e)) { - h = strdup(e); - if (!h) { - strv_free(l); - return -ENOMEM; - } - } - } - - if (!h && home_suffix) { - e = secure_getenv("HOME"); - if (e && path_is_absolute(e)) { - if (endswith(e, "/")) - h = strappend(e, home_suffix); - else - h = strjoin(e, "/", home_suffix, NULL); - - if (!h) { - strv_free(l); - return -ENOMEM; - } - } - } - - if (h) { - r = strv_consume_prepend(&l, h); - if (r < 0) { - strv_free(l); - return -ENOMEM; - } - } - - *list = l; - return 0; -} - -static int get_search(uint64_t type, char ***list) { - - assert(list); - - switch(type) { - - case SD_PATH_SEARCH_BINARIES: - return search_from_environment(list, - NULL, - ".local/bin", - "PATH", - true, - "/usr/local/sbin", - "/usr/local/bin", - "/usr/sbin", - "/usr/bin", -#ifdef HAVE_SPLIT_USR - "/sbin", - "/bin", -#endif - NULL); - - case SD_PATH_SEARCH_LIBRARY_PRIVATE: - return search_from_environment(list, - NULL, - ".local/lib", - NULL, - false, - "/usr/local/lib", - "/usr/lib", -#ifdef HAVE_SPLIT_USR - "/lib", -#endif - NULL); - - case SD_PATH_SEARCH_LIBRARY_ARCH: - return search_from_environment(list, - NULL, - ".local/lib/" LIB_ARCH_TUPLE, - "LD_LIBRARY_PATH", - true, - LIBDIR, -#ifdef HAVE_SPLIT_USR - ROOTLIBDIR, -#endif - NULL); - - case SD_PATH_SEARCH_SHARED: - return search_from_environment(list, - "XDG_DATA_HOME", - ".local/share", - "XDG_DATA_DIRS", - false, - "/usr/local/share", - "/usr/share", - NULL); - - case SD_PATH_SEARCH_CONFIGURATION_FACTORY: - return search_from_environment(list, - NULL, - NULL, - NULL, - false, - "/usr/local/share/factory/etc", - "/usr/share/factory/etc", - NULL); - - case SD_PATH_SEARCH_STATE_FACTORY: - return search_from_environment(list, - NULL, - NULL, - NULL, - false, - "/usr/local/share/factory/var", - "/usr/share/factory/var", - NULL); - - case SD_PATH_SEARCH_CONFIGURATION: - return search_from_environment(list, - "XDG_CONFIG_HOME", - ".config", - "XDG_CONFIG_DIRS", - false, - "/etc", - NULL); - } - - return -EOPNOTSUPP; -} - -_public_ int sd_path_search(uint64_t type, const char *suffix, char ***paths) { - char **l, **i, **j, **n; - int r; - - assert_return(paths, -EINVAL); - - if (!IN_SET(type, - SD_PATH_SEARCH_BINARIES, - SD_PATH_SEARCH_LIBRARY_PRIVATE, - SD_PATH_SEARCH_LIBRARY_ARCH, - SD_PATH_SEARCH_SHARED, - SD_PATH_SEARCH_CONFIGURATION_FACTORY, - SD_PATH_SEARCH_STATE_FACTORY, - SD_PATH_SEARCH_CONFIGURATION)) { - - char *p; - - r = sd_path_home(type, suffix, &p); - if (r < 0) - return r; - - l = new(char*, 2); - if (!l) { - free(p); - return -ENOMEM; - } - - l[0] = p; - l[1] = NULL; - - *paths = l; - return 0; - } - - r = get_search(type, &l); - if (r < 0) - return r; - - if (!suffix) { - *paths = l; - return 0; - } - - n = new(char*, strv_length(l)+1); - if (!n) { - strv_free(l); - return -ENOMEM; - } - - j = n; - STRV_FOREACH(i, l) { - - if (endswith(*i, "/")) - *j = strappend(*i, suffix); - else - *j = strjoin(*i, "/", suffix, NULL); - - if (!*j) { - strv_free(l); - strv_free(n); - return -ENOMEM; - } - - j++; - } - - *j = NULL; - *paths = n; - return 0; -} |