/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2007-2012 Kay Sievers * * This program 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. * * This program 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 this program. If not, see . */ #include #include #include #include #include "selinux-util.h" #include "string-util.h" #include "udev.h" #include "udev-util.h" static int adm_version(struct udev *udev, int argc, char *argv[]) { printf("%s\n", PACKAGE_VERSION); return 0; } static const struct udevadm_cmd udevadm_version = { .name = "version", .cmd = adm_version, }; static int adm_help(struct udev *udev, int argc, char *argv[]); static const struct udevadm_cmd udevadm_help = { .name = "help", .cmd = adm_help, }; static const struct udevadm_cmd *udevadm_cmds[] = { &udevadm_info, &udevadm_trigger, &udevadm_settle, &udevadm_control, &udevadm_monitor, &udevadm_hwdb, &udevadm_test, &udevadm_test_builtin, &udevadm_version, &udevadm_help, }; static int adm_help(struct udev *udev, int argc, char *argv[]) { unsigned int i; printf("%s [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n\n" "Send control commands or test the device manager.\n\n" "Commands:\n" , program_invocation_short_name); for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++) if (udevadm_cmds[i]->help != NULL) printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); return 0; } static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[]) { if (cmd->debug) log_set_max_level(LOG_DEBUG); log_debug("calling: %s", cmd->name); return cmd->cmd(udev, argc, argv); } int main(int argc, char *argv[]) { struct udev *udev; static const struct option options[] = { { "debug", no_argument, NULL, 'd' }, { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, 'V' }, {} }; const char *command; unsigned int i; int rc = 1, c; udev_parse_config(); log_parse_environment(); log_open(); mac_selinux_init(); udev = udev_new(); if (udev == NULL) goto out; while ((c = getopt_long(argc, argv, "+dhV", options, NULL)) >= 0) switch (c) { case 'd': log_set_max_level(LOG_DEBUG); break; case 'h': rc = adm_help(udev, argc, argv); goto out; case 'V': rc = adm_version(udev, argc, argv); goto out; default: goto out; } command = argv[optind]; if (command != NULL) for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++) if (streq(udevadm_cmds[i]->name, command)) { argc -= optind; argv += optind; /* we need '0' here to reset the internal state */ optind = 0; rc = run_command(udev, udevadm_cmds[i], argc, argv); goto out; } fprintf(stderr, "%s: missing or unknown command\n", program_invocation_short_name); rc = 2; out: mac_selinux_finish(); udev_unref(udev); log_close(); return rc; }