/* SPDX-License-Identifier: LGPL-2.1+ */ #include "sd-path.h" #include "conf-files.h" #include "def.h" #include "env-file.h" #include "escape.h" #include "log.h" #include "path-lookup.h" static int environment_dirs(char ***ret) { _cleanup_strv_free_ char **dirs = NULL; _cleanup_free_ char *c = NULL; int r; dirs = strv_new(CONF_PATHS_USR("environment.d"), NULL); if (!dirs) return -ENOMEM; /* ~/.config/systemd/environment.d */ r = sd_path_home(SD_PATH_USER_CONFIGURATION, "environment.d", &c); if (r < 0) return r; r = strv_extend_front(&dirs, c); if (r < 0) return r; *ret = TAKE_PTR(dirs); return 0; } static int load_and_print(void) { _cleanup_strv_free_ char **dirs = NULL, **files = NULL, **env = NULL; char **i; int r; r = environment_dirs(&dirs); if (r < 0) return r; r = conf_files_list_strv(&files, ".conf", NULL, 0, (const char **) dirs); if (r < 0) return r; /* This will mutate the existing environment, based on the presumption * that in case of failure, a partial update is better than none. */ STRV_FOREACH(i, files) { r = merge_env_file(&env, NULL, *i); if (r == -ENOMEM) return r; } STRV_FOREACH(i, env) { char *t; _cleanup_free_ char *q = NULL; t = strchr(*i, '='); assert(t); q = shell_maybe_quote(t + 1, ESCAPE_BACKSLASH); if (!q) return log_oom(); printf("%.*s=%s\n", (int) (t - *i), *i, q); } return 0; } int main(int argc, char *argv[]) { int r; log_parse_environment(); log_open(); if (argc > 1) { log_error("This program takes no arguments."); return EXIT_FAILURE; } r = load_and_print(); if (r < 0) log_error_errno(r, "Failed to load environment.d: %m"); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }