+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+ Copyright 2011 Michal Schmidt
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "log.h"
+#include "util.h"
+
+#if defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
+#define SCRIPT_PATH "/etc/rc.d/rc.local"
+#elif defined(TARGET_SUSE)
+#define SCRIPT_PATH "/etc/init.d/boot.local"
+#endif
+
+const char *arg_dest = "/tmp";
+
+static int add_symlink(const char *service) {
+ char *from = NULL, *to = NULL;
+ int r;
+
+ assert(service);
+
+ asprintf(&from, SYSTEM_DATA_UNIT_PATH "/%s", service);
+ asprintf(&to, "%s/multi-user.target.wants/%s", arg_dest, service);
+
+ if (!from || !to) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ mkdir_parents(to, 0755);
+
+ r = symlink(from, to);
+ if (r < 0) {
+ if (errno == EEXIST)
+ r = 0;
+ else {
+ log_error("Failed to create symlink from %s to %s: %m", from, to);
+ r = -errno;
+ }
+ }
+
+finish:
+
+ free(from);
+ free(to);
+
+ return r;
+}
+
+static bool file_is_executable(const char *f) {
+ struct stat st;
+
+ if (stat(f, &st) < 0)
+ return false;
+
+ return S_ISREG(st.st_mode) && (st.st_mode & 0111);
+}
+
+int main(int argc, char *argv[]) {
+
+ int r = EXIT_SUCCESS;
+
+ if (argc > 2) {
+ log_error("This program takes one or no arguments.");
+ return EXIT_FAILURE;
+ }
+
+ log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+ log_parse_environment();
+ log_open();
+
+ if (argc > 1)
+ arg_dest = argv[1];
+
+ if (file_is_executable(SCRIPT_PATH)) {
+ log_debug("Automatically adding rc-local.service.");
+
+ if (add_symlink("rc-local.service") < 0)
+ r = EXIT_FAILURE;
+
+ }
+
+ return r;
+}
~ianmdlvl / elogind.git / commitdiff