diff options
author | Kay Sievers <kay@vrfy.org> | 2012-04-12 01:51:49 +0200 |
---|---|---|
committer | Kay Sievers <kay@vrfy.org> | 2012-04-12 02:39:37 +0200 |
commit | f33d3ec1d7521c91da8b30ad5cb345d6416bb07d (patch) | |
tree | 8f0d1b16753d3370ea6223f0f10da1625c12c681 /src/path-lookup.c | |
parent | 5e6f883dfcd2befce26102eba972d4c1d814dfdf (diff) |
move more common files to shared/ and add them to shared.la
Diffstat (limited to 'src/path-lookup.c')
-rw-r--r-- | src/path-lookup.c | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/src/path-lookup.c b/src/path-lookup.c deleted file mode 100644 index 1d95f7d1f8..0000000000 --- a/src/path-lookup.c +++ /dev/null @@ -1,348 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - 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 <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <errno.h> - -#include "util.h" -#include "mkdir.h" -#include "strv.h" - -#include "path-lookup.h" - -int user_config_home(char **config_home) { - const char *e; - - if ((e = getenv("XDG_CONFIG_HOME"))) { - if (asprintf(config_home, "%s/systemd/user", e) < 0) - return -ENOMEM; - - return 1; - } else { - const char *home; - - if ((home = getenv("HOME"))) { - if (asprintf(config_home, "%s/.config/systemd/user", home) < 0) - return -ENOMEM; - - return 1; - } - } - - return 0; -} - -static char** user_dirs(void) { - const char * const config_unit_paths[] = { - USER_CONFIG_UNIT_PATH, - "/etc/systemd/user", - "/run/systemd/user", - NULL - }; - - 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 *home, *e; - char *config_home = NULL, *data_home = NULL; - char **config_dirs = NULL, **data_dirs = NULL; - char **r = NULL, **t; - - /* 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) - goto fail; - - home = getenv("HOME"); - - if ((e = getenv("XDG_CONFIG_DIRS"))) - if (!(config_dirs = strv_split(e, ":"))) - goto fail; - - /* We don't treat /etc/xdg/systemd here as the spec - * suggests because we assume that that is a link to - * /etc/systemd/ anyway. */ - - if ((e = getenv("XDG_DATA_HOME"))) { - if (asprintf(&data_home, "%s/systemd/user", e) < 0) - goto fail; - - } else if (home) { - if (asprintf(&data_home, "%s/.local/share/systemd/user", home) < 0) - goto fail; - - /* There is really no need for two unit dirs in $HOME, - * except to be fully compliant with the XDG spec. We - * now try to link the two dirs, so that we can - * minimize disk seeks a little. Further down we'll - * then filter out this link, if it is actually is - * one. */ - - mkdir_parents(data_home, 0777); - (void) symlink("../../../.config/systemd/user", data_home); - } - - if ((e = getenv("XDG_DATA_DIRS"))) - data_dirs = strv_split(e, ":"); - else - data_dirs = strv_new("/usr/local/share", - "/usr/share", - NULL); - - if (!data_dirs) - goto fail; - - /* Now merge everything we found. */ - if (config_home) { - if (!(t = strv_append(r, config_home))) - goto fail; - strv_free(r); - r = t; - } - - if (!strv_isempty(config_dirs)) { - if (!(t = strv_merge_concat(r, config_dirs, "/systemd/user"))) - goto finish; - strv_free(r); - r = t; - } - - if (!(t = strv_merge(r, (char**) config_unit_paths))) - goto fail; - strv_free(r); - r = t; - - if (data_home) { - if (!(t = strv_append(r, data_home))) - goto fail; - strv_free(r); - r = t; - } - - if (!strv_isempty(data_dirs)) { - if (!(t = strv_merge_concat(r, data_dirs, "/systemd/user"))) - goto fail; - strv_free(r); - r = t; - } - - if (!(t = strv_merge(r, (char**) data_unit_paths))) - goto fail; - strv_free(r); - r = t; - - if (!strv_path_make_absolute_cwd(r)) - goto fail; - -finish: - free(config_home); - strv_free(config_dirs); - free(data_home); - strv_free(data_dirs); - - return r; - -fail: - strv_free(r); - r = NULL; - goto finish; -} - -int lookup_paths_init(LookupPaths *p, ManagerRunningAs running_as, bool personal) { - const char *e; - char *t; - - assert(p); - - /* First priority is whatever has been passed to us via env - * vars */ - if ((e = getenv("SYSTEMD_UNIT_PATH"))) - if (!(p->unit_path = split_path_and_make_absolute(e))) - return -ENOMEM; - - if (strv_isempty(p->unit_path)) { - - /* Nothing is set, so let's figure something out. */ - strv_free(p->unit_path); - - if (running_as == MANAGER_USER) { - - if (personal) - p->unit_path = user_dirs(); - else - p->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! */ - USER_CONFIG_UNIT_PATH, - "/etc/systemd/user", - "/run/systemd/user", - "/usr/local/lib/systemd/user", - "/usr/local/share/systemd/user", - USER_DATA_UNIT_PATH, - "/usr/lib/systemd/user", - "/usr/share/systemd/user", - NULL); - - if (!p->unit_path) - return -ENOMEM; - - } else - if (!(p->unit_path = strv_new( - /* If you modify this you also want to modify - * systemdsystemunitpath= in systemd.pc.in! */ - SYSTEM_CONFIG_UNIT_PATH, - "/etc/systemd/system", - "/run/systemd/system", - "/usr/local/lib/systemd/system", - SYSTEM_DATA_UNIT_PATH, - "/usr/lib/systemd/system", -#ifdef HAVE_SPLIT_USR - "/lib/systemd/system", -#endif - NULL))) - return -ENOMEM; - } - - if (p->unit_path) - if (!strv_path_canonicalize(p->unit_path)) - return -ENOMEM; - - strv_uniq(p->unit_path); - strv_path_remove_empty(p->unit_path); - - if (!strv_isempty(p->unit_path)) { - - if (!(t = strv_join(p->unit_path, "\n\t"))) - return -ENOMEM; - log_debug("Looking for unit files in:\n\t%s", t); - free(t); - } else { - log_debug("Ignoring unit files."); - strv_free(p->unit_path); - p->unit_path = NULL; - } - - if (running_as == MANAGER_SYSTEM) { -#ifdef HAVE_SYSV_COMPAT - /* /etc/init.d/ compatibility does not matter to users */ - - if ((e = getenv("SYSTEMD_SYSVINIT_PATH"))) - if (!(p->sysvinit_path = split_path_and_make_absolute(e))) - return -ENOMEM; - - if (strv_isempty(p->sysvinit_path)) { - strv_free(p->sysvinit_path); - - if (!(p->sysvinit_path = strv_new( - SYSTEM_SYSVINIT_PATH, /* /etc/init.d/ */ - NULL))) - return -ENOMEM; - } - - if ((e = getenv("SYSTEMD_SYSVRCND_PATH"))) - if (!(p->sysvrcnd_path = split_path_and_make_absolute(e))) - return -ENOMEM; - - if (strv_isempty(p->sysvrcnd_path)) { - strv_free(p->sysvrcnd_path); - - if (!(p->sysvrcnd_path = strv_new( - SYSTEM_SYSVRCND_PATH, /* /etc/rcN.d/ */ - NULL))) - return -ENOMEM; - } - - if (p->sysvinit_path) - if (!strv_path_canonicalize(p->sysvinit_path)) - return -ENOMEM; - - if (p->sysvrcnd_path) - if (!strv_path_canonicalize(p->sysvrcnd_path)) - return -ENOMEM; - - strv_uniq(p->sysvinit_path); - strv_uniq(p->sysvrcnd_path); - - strv_path_remove_empty(p->sysvinit_path); - strv_path_remove_empty(p->sysvrcnd_path); - - if (!strv_isempty(p->sysvinit_path)) { - - if (!(t = strv_join(p->sysvinit_path, "\n\t"))) - return -ENOMEM; - - log_debug("Looking for SysV init scripts in:\n\t%s", t); - free(t); - } else { - log_debug("Ignoring SysV init scripts."); - strv_free(p->sysvinit_path); - p->sysvinit_path = NULL; - } - - if (!strv_isempty(p->sysvrcnd_path)) { - - if (!(t = strv_join(p->sysvrcnd_path, "\n\t"))) - return -ENOMEM; - - log_debug("Looking for SysV rcN.d links in:\n\t%s", t); - free(t); - } else { - log_debug("Ignoring SysV rcN.d links."); - strv_free(p->sysvrcnd_path); - p->sysvrcnd_path = NULL; - } -#else - log_debug("Disabled SysV init scripts and rcN.d links support"); -#endif - } - - return 0; -} - -void lookup_paths_free(LookupPaths *p) { - assert(p); - - strv_free(p->unit_path); - p->unit_path = NULL; - -#ifdef HAVE_SYSV_COMPAT - strv_free(p->sysvinit_path); - strv_free(p->sysvrcnd_path); - p->sysvinit_path = p->sysvrcnd_path = NULL; -#endif -} |