/*-*- 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; }