src/shared/dropin.c

2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek/***
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  This file is part of systemd.
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  Copyright 2014 Zbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  systemd is free software; you can redistribute it and/or modify it
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  under the terms of the GNU Lesser General Public License as published by
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  the Free Software Foundation; either version 2.1 of the License, or
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  (at your option) any later version.
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  systemd is distributed in the hope that it will be useful, but
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  WITHOUT ANY WARRANTY; without even the implied warranty of
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  Lesser General Public License for more details.
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  You should have received a copy of the GNU Lesser General Public License
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek  along with systemd; If not, see <http://www.gnu.org/licenses/>.
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek***/
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include <dirent.h>
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include <errno.h>
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include <stdarg.h>
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include <stdio.h>
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include <stdlib.h>
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen
b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek#include "conf-files.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "dropin.h"
4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "escape.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"
4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "fileio-label.h"
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include "hashmap.h"
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include "log.h"
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include "macro.h"
4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "mkdir.h"
bb15fafe9cd815fe5bf9eae84c08aead2eb98fd7Lennart Poettering#include "path-util.h"
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include "set.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"
4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "strv.h"
a8fbdf5424be099ba1b2b1ec261c02b8759d6b0cThomas Hindoe Paaboel Andersen#include "unit-name.h"
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmekint drop_in_file(const char *dir, const char *unit, unsigned level,
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                 const char *name, char **_p, char **_q) {
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        _cleanup_free_ char *b = NULL;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        char *p, *q;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek        char prefix[DECIMAL_STR_MAX(unsigned)];
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(unit);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(name);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(_p);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(_q);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek        sprintf(prefix, "%u", level);
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        b = xescape(name, "/.");
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        if (!b)
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return -ENOMEM;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
ae6c3cc009a21df4b51851fb8fe3fde0b7d6d8f0Lennart Poettering        if (!filename_is_valid(b))
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return -EINVAL;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        p = strjoin(dir, "/", unit, ".d", NULL);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        if (!p)
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return -ENOMEM;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek        q = strjoin(p, "/", prefix, "-", b, ".conf", NULL);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        if (!q) {
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                free(p);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return -ENOMEM;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        }
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        *_p = p;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        *_q = q;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        return 0;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek}
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmekint write_drop_in(const char *dir, const char *unit, unsigned level,
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                  const char *name, const char *data) {
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        _cleanup_free_ char *p = NULL, *q = NULL;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        int r;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(dir);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(unit);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(name);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(data);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek        r = drop_in_file(dir, unit, level, name, &p, &q);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        if (r < 0)
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return r;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
45519fd6304aae453d95c6cf11bfc8539c38494cLennart Poettering        (void) mkdir_p(p, 0755);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        return write_string_file_atomic_label(q, data);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek}
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmekint write_drop_in_format(const char *dir, const char *unit, unsigned level,
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                         const char *name, const char *format, ...) {
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        _cleanup_free_ char *p = NULL;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        va_list ap;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        int r;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(dir);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(unit);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(name);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        assert(format);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        va_start(ap, format);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        r = vasprintf(&p, format, ap);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        va_end(ap);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek        if (r < 0)
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek                return -ENOMEM;
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek
8eea868708923a092ee85d6146ba4c04b7baea06Zbigniew Jędrzejewski-Szmek        return write_drop_in(dir, unit, level, name, p);
2968644080fd103062f070e83edd620e0a58c44dZbigniew Jędrzejewski-Szmek}
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmekstatic int iterate_dir(
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                const char *path,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                UnitDependency dependency,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                dependency_consumer_t consumer,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                void *arg,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                char ***strv) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        _cleanup_closedir_ DIR *d = NULL;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        int r;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        /* The config directories are special, since the order of the
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek         * drop-ins matters */
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (dependency < 0)  {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                r = strv_extend(strv, path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (r < 0)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return log_oom();
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                return 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        }
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(consumer);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        d = opendir(path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (!d) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (errno == ENOENT)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
45519fd6304aae453d95c6cf11bfc8539c38494cLennart Poettering                return log_error_errno(errno, "Failed to open directory %s: %m", path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        }
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        for (;;) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                struct dirent *de;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                _cleanup_free_ char *f = NULL;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                errno = 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                de = readdir(d);
b3267152783d5784c45010615045d4e8ee459da2Zbigniew Jędrzejewski-Szmek                if (!de && errno > 0)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return log_error_errno(errno, "Failed to read directory %s: %m", path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (!de)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        break;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
a34bf9db5da0fdd6bdb14459e203dbe41ee99614Lennart Poettering                if (hidden_file(de->d_name))
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        continue;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                f = strjoin(path, "/", de->d_name, NULL);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (!f)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return log_oom();
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                r = consumer(dependency, de->d_name, f, arg);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (r < 0)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return r;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        }
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        return 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek}
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmekint unit_file_process_dir(
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                Set *unit_path_cache,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                const char *unit_path,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                const char *name,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                const char *suffix,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                UnitDependency dependency,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                dependency_consumer_t consumer,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                void *arg,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                char ***strv) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        _cleanup_free_ char *path = NULL;
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering        int r;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(unit_path);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(name);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(suffix);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        path = strjoin(unit_path, "/", name, suffix, NULL);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (!path)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                return log_oom();
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (!unit_path_cache || set_get(unit_path_cache, path))
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                (void) iterate_dir(path, dependency, consumer, arg, strv);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering        if (unit_name_is_valid(name, UNIT_NAME_INSTANCE)) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                _cleanup_free_ char *template = NULL, *p = NULL;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                /* Also try the template dir */
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                r = unit_name_template(name, &template);
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                if (r < 0)
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                        return log_error_errno(r, "Failed to generate template from unit name: %m");
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                p = strjoin(unit_path, "/", template, suffix, NULL);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (!p)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        return log_oom();
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                if (!unit_path_cache || set_get(unit_path_cache, p))
7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering                        (void) iterate_dir(p, dependency, consumer, arg, strv);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        }
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        return 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek}
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmekint unit_file_find_dropin_paths(
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                char **lookup_path,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                Set *unit_path_cache,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                Set *names,
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                char ***paths) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        _cleanup_strv_free_ char **strv = NULL, **ans = NULL;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        Iterator i;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        char *t;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        int r;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        assert(paths);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        SET_FOREACH(t, names, i) {
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                char **p;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                STRV_FOREACH(p, lookup_path)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                        unit_file_process_dir(unit_path_cache, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, NULL, NULL, &strv);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        }
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (strv_isempty(strv))
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                return 0;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        r = conf_files_list_strv(&ans, ".conf", NULL, (const char**) strv);
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        if (r < 0)
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek                return log_warning_errno(r, "Failed to get list of configuration files: %m");
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        *paths = ans;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        ans = NULL;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek        return 1;
1a7f1b385cd9de8a0da934fadc379860f914ef33Zbigniew Jędrzejewski-Szmek}