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-rw-r--r--src/shared/path-lookup.c441
1 files changed, 0 insertions, 441 deletions
diff --git a/src/shared/path-lookup.c b/src/shared/path-lookup.c
deleted file mode 100644
index 5410620725..0000000000
--- a/src/shared/path-lookup.c
+++ /dev/null
@@ -1,441 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "alloc-util.h"
-#include "install.h"
-#include "log.h"
-#include "macro.h"
-#include "path-lookup.h"
-#include "path-util.h"
-#include "string-util.h"
-#include "strv.h"
-#include "util.h"
-
-int user_config_home(char **config_home) {
- const char *e;
- char *r;
-
- e = getenv("XDG_CONFIG_HOME");
- if (e) {
- r = strappend(e, "/systemd/user");
- if (!r)
- return -ENOMEM;
-
- *config_home = r;
- return 1;
- } else {
- const char *home;
-
- home = getenv("HOME");
- if (home) {
- r = strappend(home, "/.config/systemd/user");
- if (!r)
- return -ENOMEM;
-
- *config_home = r;
- return 1;
- }
- }
-
- return 0;
-}
-
-int user_runtime_dir(char **runtime_dir) {
- const char *e;
- char *r;
-
- e = getenv("XDG_RUNTIME_DIR");
- if (e) {
- r = strappend(e, "/systemd/user");
- if (!r)
- return -ENOMEM;
-
- *runtime_dir = r;
- return 1;
- }
-
- return 0;
-}
-
-static int user_data_home_dir(char **dir, const char *suffix) {
- const char *e;
- char *res;
-
- /* We don't treat /etc/xdg/systemd here as the spec
- * suggests because we assume that that is a link to
- * /etc/systemd/ anyway. */
-
- e = getenv("XDG_DATA_HOME");
- if (e)
- res = strappend(e, suffix);
- else {
- const char *home;
-
- home = getenv("HOME");
- if (home)
- res = strjoin(home, "/.local/share", suffix, NULL);
- else
- return 0;
- }
- if (!res)
- return -ENOMEM;
-
- *dir = res;
- return 0;
-}
-
-static char** user_dirs(
- const char *generator,
- const char *generator_early,
- const char *generator_late) {
-
- const char * const config_unit_paths[] = {
- USER_CONFIG_UNIT_PATH,
- "/etc/systemd/user",
- NULL
- };
-
- const char * const runtime_unit_path = "/run/systemd/user";
-
- const char * const data_unit_paths[] = {
- "/usr/local/lib/systemd/user",
- "/usr/local/share/systemd/user",
- USER_DATA_UNIT_PATH,
- "/usr/lib/systemd/user",
- "/usr/share/systemd/user",
- NULL
- };
-
- const char *e;
- _cleanup_free_ char *config_home = NULL, *runtime_dir = NULL, *data_home = NULL;
- _cleanup_strv_free_ char **config_dirs = NULL, **data_dirs = NULL;
- _cleanup_free_ char **res = NULL;
- char **tmp;
- int r;
-
- /* Implement the mechanisms defined in
- *
- * http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
- *
- * We look in both the config and the data dirs because we
- * want to encourage that distributors ship their unit files
- * as data, and allow overriding as configuration.
- */
-
- if (user_config_home(&config_home) < 0)
- return NULL;
-
- if (user_runtime_dir(&runtime_dir) < 0)
- return NULL;
-
- e = getenv("XDG_CONFIG_DIRS");
- if (e) {
- config_dirs = strv_split(e, ":");
- if (!config_dirs)
- return NULL;
- }
-
- r = user_data_home_dir(&data_home, "/systemd/user");
- if (r < 0)
- return NULL;
-
- e = getenv("XDG_DATA_DIRS");
- if (e)
- data_dirs = strv_split(e, ":");
- else
- data_dirs = strv_new("/usr/local/share",
- "/usr/share",
- NULL);
- if (!data_dirs)
- return NULL;
-
- /* Now merge everything we found. */
- if (generator_early)
- if (strv_extend(&res, generator_early) < 0)
- return NULL;
-
- if (config_home)
- if (strv_extend(&res, config_home) < 0)
- return NULL;
-
- if (!strv_isempty(config_dirs))
- if (strv_extend_strv_concat(&res, config_dirs, "/systemd/user") < 0)
- return NULL;
-
- if (strv_extend_strv(&res, (char**) config_unit_paths, false) < 0)
- return NULL;
-
- if (runtime_dir)
- if (strv_extend(&res, runtime_dir) < 0)
- return NULL;
-
- if (strv_extend(&res, runtime_unit_path) < 0)
- return NULL;
-
- if (generator)
- if (strv_extend(&res, generator) < 0)
- return NULL;
-
- if (data_home)
- if (strv_extend(&res, data_home) < 0)
- return NULL;
-
- if (!strv_isempty(data_dirs))
- if (strv_extend_strv_concat(&res, data_dirs, "/systemd/user") < 0)
- return NULL;
-
- if (strv_extend_strv(&res, (char**) data_unit_paths, false) < 0)
- return NULL;
-
- if (generator_late)
- if (strv_extend(&res, generator_late) < 0)
- return NULL;
-
- if (path_strv_make_absolute_cwd(res) < 0)
- return NULL;
-
- tmp = res;
- res = NULL;
- return tmp;
-}
-
-char **generator_paths(ManagerRunningAs running_as) {
- if (running_as == MANAGER_USER)
- return strv_new("/run/systemd/user-generators",
- "/etc/systemd/user-generators",
- "/usr/local/lib/systemd/user-generators",
- USER_GENERATOR_PATH,
- NULL);
- else
- return strv_new("/run/systemd/system-generators",
- "/etc/systemd/system-generators",
- "/usr/local/lib/systemd/system-generators",
- SYSTEM_GENERATOR_PATH,
- NULL);
-}
-
-int lookup_paths_init(
- LookupPaths *p,
- ManagerRunningAs running_as,
- bool personal,
- const char *root_dir,
- const char *generator,
- const char *generator_early,
- const char *generator_late) {
-
- const char *e;
- bool append = false; /* Add items from SYSTEMD_UNIT_PATH before normal directories */
- int r;
-
- assert(p);
-
- /* First priority is whatever has been passed to us via env
- * vars */
- e = getenv("SYSTEMD_UNIT_PATH");
- if (e) {
- if (endswith(e, ":")) {
- e = strndupa(e, strlen(e) - 1);
- append = true;
- }
-
- /* FIXME: empty components in other places should be
- * rejected. */
-
- r = path_split_and_make_absolute(e, &p->unit_path);
- if (r < 0)
- return r;
- } else
- p->unit_path = NULL;
-
- if (!p->unit_path || append) {
- /* Let's figure something out. */
-
- _cleanup_strv_free_ char **unit_path;
-
- /* For the user units we include share/ in the search
- * path in order to comply with the XDG basedir spec.
- * For the system stuff we avoid such nonsense. OTOH
- * we include /lib in the search path for the system
- * stuff but avoid it for user stuff. */
-
- if (running_as == MANAGER_USER) {
- if (personal)
- unit_path = user_dirs(generator, generator_early, generator_late);
- else
- unit_path = strv_new(
- /* If you modify this you also want to modify
- * systemduserunitpath= in systemd.pc.in, and
- * the arrays in user_dirs() above! */
- STRV_IFNOTNULL(generator_early),
- USER_CONFIG_UNIT_PATH,
- "/etc/systemd/user",
- "/run/systemd/user",
- STRV_IFNOTNULL(generator),
- "/usr/local/lib/systemd/user",
- "/usr/local/share/systemd/user",
- USER_DATA_UNIT_PATH,
- "/usr/lib/systemd/user",
- "/usr/share/systemd/user",
- STRV_IFNOTNULL(generator_late),
- NULL);
- } else
- unit_path = strv_new(
- /* If you modify this you also want to modify
- * systemdsystemunitpath= in systemd.pc.in! */
- STRV_IFNOTNULL(generator_early),
- SYSTEM_CONFIG_UNIT_PATH,
- "/etc/systemd/system",
- "/run/systemd/system",
- STRV_IFNOTNULL(generator),
- "/usr/local/lib/systemd/system",
- SYSTEM_DATA_UNIT_PATH,
- "/usr/lib/systemd/system",
-#ifdef HAVE_SPLIT_USR
- "/lib/systemd/system",
-#endif
- STRV_IFNOTNULL(generator_late),
- NULL);
-
- if (!unit_path)
- return -ENOMEM;
-
- r = strv_extend_strv(&p->unit_path, unit_path, false);
- if (r < 0)
- return r;
- }
-
- if (!path_strv_resolve_uniq(p->unit_path, root_dir))
- return -ENOMEM;
-
- if (!strv_isempty(p->unit_path)) {
- _cleanup_free_ char *t = strv_join(p->unit_path, "\n\t");
- if (!t)
- return -ENOMEM;
- log_debug("Looking for unit files in (higher priority first):\n\t%s", t);
- } else {
- log_debug("Ignoring unit files.");
- p->unit_path = strv_free(p->unit_path);
- }
-
- if (running_as == MANAGER_SYSTEM) {
-#ifdef HAVE_SYSV_COMPAT
- /* /etc/init.d/ compatibility does not matter to users */
-
- e = getenv("SYSTEMD_SYSVINIT_PATH");
- if (e) {
- r = path_split_and_make_absolute(e, &p->sysvinit_path);
- if (r < 0)
- return r;
- } else
- p->sysvinit_path = NULL;
-
- if (strv_isempty(p->sysvinit_path)) {
- strv_free(p->sysvinit_path);
-
- p->sysvinit_path = strv_new(
- SYSTEM_SYSVINIT_PATH, /* /etc/init.d/ */
- NULL);
- if (!p->sysvinit_path)
- return -ENOMEM;
- }
-
- e = getenv("SYSTEMD_SYSVRCND_PATH");
- if (e) {
- r = path_split_and_make_absolute(e, &p->sysvrcnd_path);
- if (r < 0)
- return r;
- } else
- p->sysvrcnd_path = NULL;
-
- if (strv_isempty(p->sysvrcnd_path)) {
- strv_free(p->sysvrcnd_path);
-
- p->sysvrcnd_path = strv_new(
- SYSTEM_SYSVRCND_PATH, /* /etc/rcN.d/ */
- NULL);
- if (!p->sysvrcnd_path)
- return -ENOMEM;
- }
-
- if (!path_strv_resolve_uniq(p->sysvinit_path, root_dir))
- return -ENOMEM;
-
- if (!path_strv_resolve_uniq(p->sysvrcnd_path, root_dir))
- return -ENOMEM;
-
- if (!strv_isempty(p->sysvinit_path)) {
- _cleanup_free_ char *t = strv_join(p->sysvinit_path, "\n\t");
- if (!t)
- return -ENOMEM;
- log_debug("Looking for SysV init scripts in:\n\t%s", t);
- } else {
- log_debug("Ignoring SysV init scripts.");
- p->sysvinit_path = strv_free(p->sysvinit_path);
- }
-
- if (!strv_isempty(p->sysvrcnd_path)) {
- _cleanup_free_ char *t =
- strv_join(p->sysvrcnd_path, "\n\t");
- if (!t)
- return -ENOMEM;
-
- log_debug("Looking for SysV rcN.d links in:\n\t%s", t);
- } else {
- log_debug("Ignoring SysV rcN.d links.");
- p->sysvrcnd_path = strv_free(p->sysvrcnd_path);
- }
-#else
- log_debug("SysV init scripts and rcN.d links support disabled");
-#endif
- }
-
- return 0;
-}
-
-void lookup_paths_free(LookupPaths *p) {
- assert(p);
-
- p->unit_path = strv_free(p->unit_path);
-
-#ifdef HAVE_SYSV_COMPAT
- p->sysvinit_path = strv_free(p->sysvinit_path);
- p->sysvrcnd_path = strv_free(p->sysvrcnd_path);
-#endif
-}
-
-int lookup_paths_init_from_scope(LookupPaths *paths,
- UnitFileScope scope,
- const char *root_dir) {
- assert(paths);
- assert(scope >= 0);
- assert(scope < _UNIT_FILE_SCOPE_MAX);
-
- zero(*paths);
-
- return lookup_paths_init(paths,
- scope == UNIT_FILE_SYSTEM ? MANAGER_SYSTEM : MANAGER_USER,
- scope == UNIT_FILE_USER,
- root_dir,
- NULL, NULL, NULL);
-}
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