152 lines
5.3 KiB
C
152 lines
5.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright © 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
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*/
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#include <errno.h>
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#include <getopt.h>
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#include <signal.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/signalfd.h>
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#include <unistd.h>
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#include "string-util.h"
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#include "udev.h"
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#include "udevadm-util.h"
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static void help(void) {
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printf("%s test [OPTIONS] DEVPATH\n\n"
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"Test an event run.\n\n"
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" -h --help Show this help\n"
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" -V --version Show package version\n"
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" -a --action=ACTION Set action string\n"
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" -N --resolve-names=early|late|never When to resolve names\n"
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, program_invocation_short_name);
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}
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static int adm_test(struct udev *udev, int argc, char *argv[]) {
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int resolve_names = 1;
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char filename[UTIL_PATH_SIZE];
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const char *action = "add";
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const char *syspath = NULL;
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struct udev_list_entry *entry;
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_cleanup_(udev_rules_unrefp) struct udev_rules *rules = NULL;
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_cleanup_(udev_device_unrefp) struct udev_device *dev = NULL;
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_cleanup_(udev_event_unrefp) struct udev_event *event = NULL;
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sigset_t mask, sigmask_orig;
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int rc = 0, c;
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static const struct option options[] = {
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{ "action", required_argument, NULL, 'a' },
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{ "resolve-names", required_argument, NULL, 'N' },
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{ "version", no_argument, NULL, 'V' },
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{ "help", no_argument, NULL, 'h' },
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{}
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};
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log_debug("version %s", PACKAGE_VERSION);
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while ((c = getopt_long(argc, argv, "a:N:Vh", options, NULL)) >= 0)
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switch (c) {
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case 'a':
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action = optarg;
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break;
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case 'N':
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if (streq (optarg, "early")) {
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resolve_names = 1;
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} else if (streq (optarg, "late")) {
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resolve_names = 0;
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} else if (streq (optarg, "never")) {
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resolve_names = -1;
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} else {
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fprintf(stderr, "resolve-names must be early, late or never\n");
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log_error("resolve-names must be early, late or never");
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exit(EXIT_FAILURE);
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}
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break;
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case 'V':
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print_version();
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exit(EXIT_SUCCESS);
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case 'h':
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help();
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exit(EXIT_SUCCESS);
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case '?':
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exit(EXIT_FAILURE);
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default:
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assert_not_reached("Unknown option");
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}
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syspath = argv[optind];
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if (syspath == NULL) {
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fprintf(stderr, "syspath parameter missing\n");
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rc = 2;
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goto out;
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}
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printf("This program is for debugging only, it does not run any program\n"
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"specified by a RUN key. It may show incorrect results, because\n"
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"some values may be different, or not available at a simulation run.\n"
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"\n");
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sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
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udev_builtin_init(udev);
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rules = udev_rules_new(udev, resolve_names);
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if (rules == NULL) {
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fprintf(stderr, "error reading rules\n");
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rc = 3;
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goto out;
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}
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/* add /sys if needed */
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if (!startswith(syspath, "/sys"))
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strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
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else
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strscpy(filename, sizeof(filename), syspath);
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delete_trailing_chars(filename, "/");
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dev = udev_device_new_from_synthetic_event(udev, filename, action);
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if (dev == NULL) {
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fprintf(stderr, "unable to open device '%s'\n", filename);
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rc = 4;
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goto out;
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}
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/* don't read info from the db */
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udev_device_set_info_loaded(dev);
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event = udev_event_new(dev);
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sigfillset(&mask);
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sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
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udev_event_execute_rules(event,
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60 * USEC_PER_SEC, 20 * USEC_PER_SEC,
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NULL,
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rules);
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udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
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printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
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udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
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char program[UTIL_PATH_SIZE];
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udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program), false);
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printf("run: '%s'\n", program);
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}
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out:
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udev_builtin_exit(udev);
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return rc;
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}
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const struct udevadm_cmd udevadm_test = {
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.name = "test",
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.cmd = adm_test,
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.help = "Test an event run",
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.debug = true,
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};
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