/*
- * udev.c
- *
- * Userspace devfs
- *
- * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004-2006 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
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>
+#include <syslog.h>
+#include <getopt.h>
-#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
-#include "udev_version.h"
-#include "logging.h"
-#include "namedev.h"
+#include "udev_rules.h"
-/* global variables */
-char **main_argv;
-char **main_envp;
-#ifdef LOG
-unsigned char logname[42];
-void log_message (int level, const char *format, ...)
+#ifdef USE_LOG
+void log_message (int priority, const char *format, ...)
{
- va_list args;
+ va_list args;
-// if (!udev_log)
-// return;
+ if (priority > udev_log_priority)
+ return;
- /* FIXME use level... */
va_start(args, format);
vprintf(format, args);
va_end(args);
}
#endif
-static void sig_handler(int signum)
+int main(int argc, char *argv[], char *envp[])
{
- switch (signum) {
- case SIGINT:
- case SIGTERM:
- exit(20 + signum);
- default:
- dbg("unhandled signal");
+ int force = 0;
+ char *action = "add";
+ struct udev_rules rules = {};
+ char *devpath = NULL;
+ struct udevice *udev;
+ struct sysfs_device *dev;
+ int retval;
+ int rc = 0;
+
+ static const struct option options[] = {
+ { "action", 1, NULL, 'a' },
+ { "force", 0, NULL, 'f' },
+ { "help", 0, NULL, 'h' },
+ {}
+ };
+
+ info("version %s", UDEV_VERSION);
+ udev_config_init();
+ if (udev_log_priority < LOG_INFO) {
+ char priority[32];
+
+ udev_log_priority = LOG_INFO;
+ sprintf(priority, "%i", udev_log_priority);
+ setenv("UDEV_LOG", priority, 1);
}
-}
-static char *subsystem_blacklist[] = {
- "net",
- "scsi_host",
- "scsi_device",
- "usb_host",
- "pci_bus",
- "",
-};
+ while (1) {
+ int option;
+
+ option = getopt_long(argc, argv, "a:fh", options, NULL);
+ if (option == -1)
+ break;
+
+ dbg("option '%c'", option);
+ switch (option) {
+ case 'a':
+ action = optarg;
+ break;
+ case 'f':
+ force = 1;
+ break;
+ case 'h':
+ printf("Usage: udevtest [--action=<string>] [--force] [--help] <devpath>\n"
+ " --action=<string> set action string\n"
+ " --force don't skip node/link creation\n"
+ " --help print this help text\n\n");
+ exit(0);
+ default:
+ exit(1);
+ }
+ }
+ devpath = argv[optind];
-static int udev_hotplug(int argc, char **argv)
-{
- char *devpath;
- char *subsystem;
- int retval = -EINVAL;
- int i;
- struct sigaction act;
-
- devpath = argv[1];
- if (!devpath) {
- dbg("no devpath?");
+ if (devpath == NULL) {
+ fprintf(stderr, "devpath parameter missing\n");
+ rc = 1;
goto exit;
}
- dbg("looking at '%s'", devpath);
- /* we only care about class devices and block stuff */
- if (!strstr(devpath, "class") &&
- !strstr(devpath, "block")) {
- dbg("not a block or class device");
+ sysfs_init();
+ udev_rules_init(&rules, 0);
+
+ /* remove /sys if given */
+ if (strncmp(devpath, sysfs_path, strlen(sysfs_path)) == 0)
+ devpath = &devpath[strlen(sysfs_path)];
+
+ dev = sysfs_device_get(devpath);
+ if (dev == NULL) {
+ fprintf(stderr, "unable to open device '%s'\n", devpath);
+ rc = 2;
goto exit;
}
- /* skip blacklisted subsystems */
- subsystem = argv[1];
- i = 0;
- while (subsystem_blacklist[i][0] != '\0') {
- if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
- dbg("don't care about '%s' devices", subsystem);
- goto exit;
- }
- i++;
+ udev = udev_device_init(NULL);
+ if (udev == NULL) {
+ fprintf(stderr, "error initializing device\n");
+ rc = 3;
+ goto exit;
}
- /* initialize our configuration */
- udev_init_config();
+ /* override built-in sysfs device */
+ udev->dev = dev;
+ strcpy(udev->action, action);
+ udev->devt = udev_device_get_devt(udev);
- /* set up a default signal handler for now */
- act.sa_handler = sig_handler;
- sigemptyset (&act.sa_mask);
- act.sa_flags = SA_RESTART;
- sigaction(SIGINT, &act, NULL);
- sigaction(SIGTERM, &act, NULL);
+ /* simulate node creation with test flag */
+ if (!force)
+ udev->test_run = 1;
- /* initialize the naming deamon */
- namedev_init();
+ setenv("DEVPATH", udev->dev->devpath, 1);
+ setenv("SUBSYSTEM", udev->dev->subsystem, 1);
+ setenv("ACTION", "add", 1);
- retval = udev_add_device(devpath, subsystem, 1);
+ printf("This program is for debugging only, it does not run any program,\n"
+ "specified by a RUN key. It may show incorrect results, if rules\n"
+ "match against subsystem specfic kernel event variables.\n"
+ "\n");
-exit:
- if (retval > 0)
- retval = 0;
+ info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
+ retval = udev_device_event(&rules, udev);
+ if (retval == 0 && !udev->ignore_device && udev_run) {
+ struct name_entry *name_loop;
- return -retval;
-}
-
-int main(int argc, char **argv, char **envp)
-{
- main_argv = argv;
- main_envp = envp;
+ list_for_each_entry(name_loop, &udev->run_list, node) {
+ char program[PATH_SIZE];
- dbg("version %s", UDEV_VERSION);
+ strlcpy(program, name_loop->name, sizeof(program));
+ udev_rules_apply_format(udev, program, sizeof(program));
+ info("run: '%s'", program);
+ }
+ }
- return udev_hotplug(argc, argv);
+exit:
+ udev_rules_cleanup(&rules);
+ sysfs_cleanup();
+ return rc;
}
-
-