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-rw-r--r--src/udev/udevadm-test.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
new file mode 100644
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+++ b/src/udev/udevadm-test.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <syslog.h>
+#include <getopt.h>
+#include <sys/signalfd.h>
+
+#include "udev.h"
+
+static int adm_test(struct udev *udev, int argc, char *argv[])
+{
+ int resolve_names = 1;
+ char filename[UTIL_PATH_SIZE];
+ const char *action = "add";
+ const char *syspath = NULL;
+ struct udev_event *event = NULL;
+ struct udev_device *dev = NULL;
+ struct udev_rules *rules = NULL;
+ struct udev_list_entry *entry;
+ sigset_t mask, sigmask_orig;
+ int err;
+ int rc = 0;
+
+ static const struct option options[] = {
+ { "action", required_argument, NULL, 'a' },
+ { "resolve-names", required_argument, NULL, 'N' },
+ { "help", no_argument, NULL, 'h' },
+ {}
+ };
+
+ info(udev, "version %s\n", VERSION);
+
+ for (;;) {
+ int option;
+
+ option = getopt_long(argc, argv, "a:s:N:fh", options, NULL);
+ if (option == -1)
+ break;
+
+ dbg(udev, "option '%c'\n", option);
+ switch (option) {
+ case 'a':
+ action = optarg;
+ break;
+ case 'N':
+ if (strcmp (optarg, "early") == 0) {
+ resolve_names = 1;
+ } else if (strcmp (optarg, "late") == 0) {
+ resolve_names = 0;
+ } else if (strcmp (optarg, "never") == 0) {
+ resolve_names = -1;
+ } else {
+ fprintf(stderr, "resolve-names must be early, late or never\n");
+ err(udev, "resolve-names must be early, late or never\n");
+ exit(EXIT_FAILURE);
+ }
+ break;
+ case 'h':
+ printf("Usage: udevadm test OPTIONS <syspath>\n"
+ " --action=<string> set action string\n"
+ " --help\n\n");
+ exit(EXIT_SUCCESS);
+ default:
+ exit(EXIT_FAILURE);
+ }
+ }
+ syspath = argv[optind];
+
+ if (syspath == NULL) {
+ fprintf(stderr, "syspath parameter missing\n");
+ rc = 2;
+ goto out;
+ }
+
+ printf("This program is for debugging only, it does not run any program,\n"
+ "specified by a RUN key. It may show incorrect results, because\n"
+ "some values may be different, or not available at a simulation run.\n"
+ "\n");
+
+ sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
+
+ udev_builtin_init(udev);
+
+ rules = udev_rules_new(udev, resolve_names);
+ if (rules == NULL) {
+ fprintf(stderr, "error reading rules\n");
+ rc = 3;
+ goto out;
+ }
+
+ /* add /sys if needed */
+ if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+ util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+ else
+ util_strscpy(filename, sizeof(filename), syspath);
+ util_remove_trailing_chars(filename, '/');
+
+ dev = udev_device_new_from_syspath(udev, filename);
+ if (dev == NULL) {
+ fprintf(stderr, "unable to open device '%s'\n", filename);
+ rc = 4;
+ goto out;
+ }
+
+ /* skip reading of db, but read kernel parameters */
+ udev_device_set_info_loaded(dev);
+ udev_device_read_uevent_file(dev);
+
+ udev_device_set_action(dev, action);
+ event = udev_event_new(dev);
+
+ sigfillset(&mask);
+ sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+ event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+ if (event->fd_signal < 0) {
+ fprintf(stderr, "error creating signalfd\n");
+ rc = 5;
+ goto out;
+ }
+
+ err = udev_event_execute_rules(event, rules, &sigmask_orig);
+
+ udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
+ printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
+
+ if (err == 0) {
+ udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
+ char program[UTIL_PATH_SIZE];
+
+ udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program));
+ printf("run: '%s'\n", program);
+ }
+ }
+out:
+ if (event != NULL && event->fd_signal >= 0)
+ close(event->fd_signal);
+ udev_event_unref(event);
+ udev_device_unref(dev);
+ udev_rules_unref(rules);
+ udev_builtin_exit(udev);
+ return rc;
+}
+
+const struct udevadm_cmd udevadm_test = {
+ .name = "test",
+ .cmd = adm_test,
+ .help = "test an event run",
+ .debug = true,
+};