/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering 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 <unistd.h> #include <stdlib.h> #include "efivars.h" #include "path-util.h" #include "util.h" #include "mkdir.h" static const char *arg_dest = "/tmp"; int main(int argc, char *argv[]) { int r = EXIT_SUCCESS; sd_id128_t id; _cleanup_free_ char *name = NULL; _cleanup_fclose_ FILE *f = NULL; if (argc > 1 && argc != 4) { log_error("This program takes three or no arguments."); return EXIT_FAILURE; } if (argc > 1) arg_dest = argv[3]; log_set_target(LOG_TARGET_SAFE); log_parse_environment(); log_open(); umask(0022); if (!is_efi_boot()) return EXIT_SUCCESS; if (dir_is_empty("/boot") <= 0) return EXIT_SUCCESS; r = efi_get_loader_device_part_uuid(&id); if (r == -ENOENT) return EXIT_SUCCESS; if (r < 0) { log_error("Failed to read ESP partition UUID: %s", strerror(-r)); return EXIT_FAILURE; } name = strjoin(arg_dest, "/boot.mount", NULL); if (!name) { log_oom(); return EXIT_FAILURE; } f = fopen(name, "wxe"); if (!f) { log_error("Failed to create mount unit file %s: %m", name); return EXIT_FAILURE; } fprintf(f, "# Automatially generated by systemd-efi-boot-generator\n\n" "[Unit]\n" "Description=EFI System Partition\n\n" "[Mount]\n" "Where=/boot\n" "What=/dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n" "Options=umask=0077\n", SD_ID128_FORMAT_VAL(id)); free(name); name = strjoin(arg_dest, "/boot.automount", NULL); if (!name) { log_oom(); return EXIT_FAILURE; } fclose(f); f = fopen(name, "wxe"); if (!f) { log_error("Failed to create automount unit file %s: %m", name); return EXIT_FAILURE; } fputs("# Automatially generated by systemd-efi-boot-generator\n\n" "[Unit]\n" "Description=EFI System Partition Automount\n\n" "[Automount]\n" "Where=/boot\n", f); free(name); name = strjoin(arg_dest, "/local-fs.target.wants/boot.automount", NULL); if (!name) { log_oom(); return EXIT_FAILURE; } mkdir_parents(name, 0755); if (symlink("../boot.automount", name) < 0) { log_error("Failed to create symlink %s: %m", name); return EXIT_FAILURE; } return 0; }