| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <errno.h> |
| #include <getopt.h> |
| #include <stddef.h> |
| #include <stdio.h> |
| |
| #include "alloc-util.h" |
| #include "main-func.h" |
| #include "pretty-print.h" |
| #include "process-util.h" |
| #include "selinux-util.h" |
| #include "string-util.h" |
| #include "udev-util.h" |
| #include "udevadm.h" |
| #include "udevd.h" |
| #include "util.h" |
| #include "verbs.h" |
| |
| static int help(void) { |
| static const char *const short_descriptions[][2] = { |
| { "info", "Query sysfs or the udev database" }, |
| { "trigger", "Request events from the kernel" }, |
| { "settle", "Wait for pending udev events" }, |
| { "control", "Control the udev daemon" }, |
| { "monitor", "Listen to kernel and udev events" }, |
| { "test", "Test an event run" }, |
| { "test-builtin", "Test a built-in command" }, |
| }; |
| |
| _cleanup_free_ char *link = NULL; |
| size_t i; |
| int r; |
| |
| r = terminal_urlify_man("udevadm", "8", &link); |
| if (r < 0) |
| return log_oom(); |
| |
| 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(short_descriptions); i++) |
| printf(" %-12s %s\n", short_descriptions[i][0], short_descriptions[i][1]); |
| |
| printf("\nSee the %s for details.\n", link); |
| return 0; |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| static const struct option options[] = { |
| { "debug", no_argument, NULL, 'd' }, |
| { "help", no_argument, NULL, 'h' }, |
| { "version", no_argument, NULL, 'V' }, |
| {} |
| }; |
| int c; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| while ((c = getopt_long(argc, argv, "+dhV", options, NULL)) >= 0) |
| switch (c) { |
| |
| case 'd': |
| log_set_max_level(LOG_DEBUG); |
| break; |
| |
| case 'h': |
| return help(); |
| |
| case 'V': |
| return print_version(); |
| |
| case '?': |
| return -EINVAL; |
| |
| default: |
| assert_not_reached("Unhandled option"); |
| } |
| |
| return 1; /* work to do */ |
| } |
| |
| static int version_main(int argc, char *argv[], void *userdata) { |
| return print_version(); |
| } |
| |
| static int help_main(int argc, char *argv[], void *userdata) { |
| return help(); |
| } |
| |
| static int udevadm_main(int argc, char *argv[]) { |
| static const Verb verbs[] = { |
| { "info", VERB_ANY, VERB_ANY, 0, info_main }, |
| { "trigger", VERB_ANY, VERB_ANY, 0, trigger_main }, |
| { "settle", VERB_ANY, VERB_ANY, 0, settle_main }, |
| { "control", VERB_ANY, VERB_ANY, 0, control_main }, |
| { "monitor", VERB_ANY, VERB_ANY, 0, monitor_main }, |
| { "hwdb", VERB_ANY, VERB_ANY, 0, hwdb_main }, |
| { "test", VERB_ANY, VERB_ANY, 0, test_main }, |
| { "test-builtin", VERB_ANY, VERB_ANY, 0, builtin_main }, |
| { "version", VERB_ANY, VERB_ANY, 0, version_main }, |
| { "help", VERB_ANY, VERB_ANY, 0, help_main }, |
| {} |
| }; |
| |
| return dispatch_verb(argc, argv, verbs, NULL); |
| } |
| |
| static int run(int argc, char *argv[]) { |
| int r; |
| |
| if (invoked_as(argv, "udevd")) |
| return run_udevd(argc, argv); |
| |
| udev_parse_config(); |
| log_parse_environment(); |
| log_open(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| return r; |
| |
| r = mac_selinux_init(); |
| if (r < 0) |
| return r; |
| |
| return udevadm_main(argc, argv); |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |