diff options
Diffstat (limited to 'src/shared/dropin.c')
| -rw-r--r-- | src/shared/dropin.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/src/shared/dropin.c b/src/shared/dropin.c deleted file mode 100644 index b9cd952ac8..0000000000 --- a/src/shared/dropin.c +++ /dev/null @@ -1,251 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - 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 <dirent.h> -#include <errno.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> - -#include "alloc-util.h" -#include "conf-files.h" -#include "dropin.h" -#include "escape.h" -#include "fd-util.h" -#include "fileio-label.h" -#include "hashmap.h" -#include "log.h" -#include "macro.h" -#include "mkdir.h" -#include "path-util.h" -#include "set.h" -#include "string-util.h" -#include "strv.h" -#include "unit-name.h" - -int drop_in_file(const char *dir, const char *unit, unsigned level, - const char *name, char **_p, char **_q) { - - _cleanup_free_ char *b = NULL; - char *p, *q; - - char prefix[DECIMAL_STR_MAX(unsigned)]; - - assert(unit); - assert(name); - assert(_p); - assert(_q); - - sprintf(prefix, "%u", level); - - b = xescape(name, "/."); - if (!b) - return -ENOMEM; - - if (!filename_is_valid(b)) - return -EINVAL; - - p = strjoin(dir, "/", unit, ".d", NULL); - if (!p) - return -ENOMEM; - - q = strjoin(p, "/", prefix, "-", b, ".conf", NULL); - if (!q) { - free(p); - return -ENOMEM; - } - - *_p = p; - *_q = q; - return 0; -} - -int write_drop_in(const char *dir, const char *unit, unsigned level, - const char *name, const char *data) { - - _cleanup_free_ char *p = NULL, *q = NULL; - int r; - - assert(dir); - assert(unit); - assert(name); - assert(data); - - r = drop_in_file(dir, unit, level, name, &p, &q); - if (r < 0) - return r; - - (void) mkdir_p(p, 0755); - return write_string_file_atomic_label(q, data); -} - -int write_drop_in_format(const char *dir, const char *unit, unsigned level, - const char *name, const char *format, ...) { - _cleanup_free_ char *p = NULL; - va_list ap; - int r; - - assert(dir); - assert(unit); - assert(name); - assert(format); - - va_start(ap, format); - r = vasprintf(&p, format, ap); - va_end(ap); - - if (r < 0) - return -ENOMEM; - - return write_drop_in(dir, unit, level, name, p); -} - -static int iterate_dir( - const char *path, - UnitDependency dependency, - dependency_consumer_t consumer, - void *arg, - char ***strv) { - - _cleanup_closedir_ DIR *d = NULL; - int r; - - assert(path); - - /* The config directories are special, since the order of the - * drop-ins matters */ - if (dependency < 0) { - r = strv_extend(strv, path); - if (r < 0) - return log_oom(); - - return 0; - } - - assert(consumer); - - d = opendir(path); - if (!d) { - if (errno == ENOENT) - return 0; - - return log_error_errno(errno, "Failed to open directory %s: %m", path); - } - - for (;;) { - struct dirent *de; - _cleanup_free_ char *f = NULL; - - errno = 0; - de = readdir(d); - if (!de && errno > 0) - return log_error_errno(errno, "Failed to read directory %s: %m", path); - - if (!de) - break; - - if (hidden_or_backup_file(de->d_name)) - continue; - - f = strjoin(path, "/", de->d_name, NULL); - if (!f) - return log_oom(); - - r = consumer(dependency, de->d_name, f, arg); - if (r < 0) - return r; - } - - return 0; -} - -int unit_file_process_dir( - Set *unit_path_cache, - const char *unit_path, - const char *name, - const char *suffix, - UnitDependency dependency, - dependency_consumer_t consumer, - void *arg, - char ***strv) { - - _cleanup_free_ char *path = NULL; - int r; - - assert(unit_path); - assert(name); - assert(suffix); - - path = strjoin(unit_path, "/", name, suffix, NULL); - if (!path) - return log_oom(); - - if (!unit_path_cache || set_get(unit_path_cache, path)) - (void) iterate_dir(path, dependency, consumer, arg, strv); - - if (unit_name_is_valid(name, UNIT_NAME_INSTANCE)) { - _cleanup_free_ char *template = NULL, *p = NULL; - /* Also try the template dir */ - - r = unit_name_template(name, &template); - if (r < 0) - return log_error_errno(r, "Failed to generate template from unit name: %m"); - - p = strjoin(unit_path, "/", template, suffix, NULL); - if (!p) - return log_oom(); - - if (!unit_path_cache || set_get(unit_path_cache, p)) - (void) iterate_dir(p, dependency, consumer, arg, strv); - } - - return 0; -} - -int unit_file_find_dropin_paths( - char **lookup_path, - Set *unit_path_cache, - Set *names, - char ***paths) { - - _cleanup_strv_free_ char **strv = NULL, **ans = NULL; - Iterator i; - char *t; - int r; - - assert(paths); - - SET_FOREACH(t, names, i) { - char **p; - - STRV_FOREACH(p, lookup_path) - unit_file_process_dir(unit_path_cache, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, NULL, NULL, &strv); - } - - if (strv_isempty(strv)) - return 0; - - r = conf_files_list_strv(&ans, ".conf", NULL, (const char**) strv); - if (r < 0) - return log_warning_errno(r, "Failed to get list of configuration files: %m"); - - *paths = ans; - ans = NULL; - return 1; -} |