cdae488a3f
There is no way to ignore an event these days. Libudev events can not be suppressed. It only prevents RUN keys from being executed, which results in an inconsistent behavior in current setups.
136 lines
3.7 KiB
C
136 lines
3.7 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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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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struct udev_list_entry *entry;
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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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{ "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 '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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" --help\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_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
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else
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util_strscpy(filename, sizeof(filename), syspath);
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util_remove_trailing_chars(filename, '/');
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dev = udev_device_new_from_syspath(udev, filename);
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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 = 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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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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udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
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info(udev, "%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
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if (err == 0 && udev_get_run(udev)) {
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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));
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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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