154a7b8428
This cuts down the number of parsing /etc/group from ~700 to 11, with some large rule files installed.
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*
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* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <errno.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <syslog.h>
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#include <getopt.h>
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#include "udev.h"
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int udevadm_test(struct udev *udev, int argc, char *argv[])
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{
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char filename[UTIL_PATH_SIZE];
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int force = 0;
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const char *action = "add";
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const char *syspath = NULL;
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struct udev_event *event;
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struct udev_device *dev;
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struct udev_rules *rules = NULL;
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int err;
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int rc = 0;
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static const struct option options[] = {
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{ "action", required_argument, NULL, 'a' },
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{ "force", no_argument, NULL, 'f' },
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{ "help", no_argument, NULL, 'h' },
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{}
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};
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info(udev, "version %s\n", VERSION);
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while (1) {
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int option;
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option = getopt_long(argc, argv, "a:s:fh", options, NULL);
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if (option == -1)
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break;
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dbg(udev, "option '%c'\n", option);
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switch (option) {
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case 'a':
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action = optarg;
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break;
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case 'f':
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force = 1;
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break;
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case 'h':
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printf("Usage: udevadm test OPTIONS <syspath>\n"
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" --action=<string> set action string\n"
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" --force don't skip node/link creation\n"
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" --help print this help text\n\n");
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exit(0);
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default:
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exit(1);
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}
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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 = 1;
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goto exit;
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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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rules = udev_rules_new(udev, 1);
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if (rules == NULL) {
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fprintf(stderr, "error reading rules\n");
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rc = 1;
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goto exit;
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}
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/* add /sys if needed */
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if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
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util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
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util_strlcat(filename, syspath, sizeof(filename));
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syspath = filename;
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}
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dev = udev_device_new_from_syspath(udev, syspath);
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if (dev == NULL) {
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fprintf(stderr, "unable to open device '%s'\n", syspath);
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rc = 2;
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goto exit;
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}
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/* skip reading of db, but read kernel parameters */
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udev_device_set_info_loaded(dev);
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udev_device_read_uevent_file(dev);
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udev_device_set_action(dev, action);
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event = udev_event_new(dev);
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/* simulate node creation with test flag */
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if (!force)
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event->test = 1;
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err = udev_event_execute_rules(event, rules);
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if (udev_device_get_event_timeout(dev) >= 0)
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info(udev, "custom event timeout: %i\n", udev_device_get_event_timeout(dev));
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if (err == 0 && !event->ignore_device && udev_get_run(udev)) {
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struct udev_list_entry *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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util_strlcpy(program, udev_list_entry_get_name(entry), sizeof(program));
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udev_event_apply_format(event, program, sizeof(program));
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info(udev, "run: '%s'\n", program);
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}
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}
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udev_event_unref(event);
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udev_device_unref(dev);
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exit:
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udev_rules_unref(rules);
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return rc;
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}
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