#include <stddef.h>
#include <string.h>
#include <stdio.h>
+#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <dirent.h>
+#include <signal.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <unistd.h>
#include "libsysfs/sysfs/libsysfs.h"
#include "logging.h"
+#include "namedev.h"
#include "udev_utils.h"
#include "list.h"
#include "udev.h"
-
-#define MAX_PATH_SIZE 512
+#ifdef USE_LOG
+void log_message(int level, const char *format, ...)
+{
+}
+#endif
struct device {
struct list_head list;
- char path[MAX_PATH_SIZE];
- char subsys[MAX_PATH_SIZE];
+ char path[DEVPATH_SIZE];
+ char subsys[SUBSYSTEM_SIZE];
};
/* sort files in lexical order */
setenv("DEVPATH", devpath, 1);
setenv("SUBSYSTEM", subsystem, 1);
- dbg("exec : '%s' (%s)\n", devpath, path);
+ dbg("exec: '%s' (%s)\n", devpath, path);
class_dev = sysfs_open_class_device_path(path);
if (class_dev == NULL) {
}
sysfs_close_class_device(class_dev);
+ udev_cleanup_device(&udev);
return 0;
}
static int has_devt(const char *directory)
{
- char filename[MAX_PATH_SIZE];
+ char filename[NAME_SIZE];
struct stat statbuf;
- snprintf(filename, MAX_PATH_SIZE, "%s/dev", directory);
- filename[MAX_PATH_SIZE-1] = '\0';
+ snprintf(filename, NAME_SIZE, "%s/dev", directory);
+ filename[NAME_SIZE-1] = '\0';
if (stat(filename, &statbuf) == 0)
return 1;
static void udev_scan_block(void)
{
- char base[MAX_PATH_SIZE];
+ char base[NAME_SIZE];
DIR *dir;
struct dirent *dent;
LIST_HEAD(device_list);
- snprintf(base, MAX_PATH_SIZE, "%s/block", sysfs_path);
- base[MAX_PATH_SIZE-1] = '\0';
+ snprintf(base, DEVPATH_SIZE, "%s/block", sysfs_path);
+ base[DEVPATH_SIZE-1] = '\0';
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
- char dirname[MAX_PATH_SIZE];
+ char dirname[DEVPATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
- dirname[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname, NAME_SIZE, "%s/%s", base, dent->d_name);
+ dirname[NAME_SIZE-1] = '\0';
if (has_devt(dirname))
device_list_insert(dirname, "block", &device_list);
else
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
+ /* look for partitions */
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
- char dirname2[MAX_PATH_SIZE];
+ char dirname2[DEVPATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
- snprintf(dirname2, MAX_PATH_SIZE, "%s/%s", dirname, dent2->d_name);
- dirname2[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname2, DEVPATH_SIZE, "%s/%s", dirname, dent2->d_name);
+ dirname2[DEVPATH_SIZE-1] = '\0';
if (has_devt(dirname2))
device_list_insert(dirname2, "block", &device_list);
}
closedir(dir);
}
-
exec_list(&device_list);
}
static void udev_scan_class(void)
{
- char base[MAX_PATH_SIZE];
+ char base[DEVPATH_SIZE];
DIR *dir;
struct dirent *dent;
LIST_HEAD(device_list);
- snprintf(base, MAX_PATH_SIZE, "%s/class", sysfs_path);
- base[MAX_PATH_SIZE-1] = '\0';
+ snprintf(base, DEVPATH_SIZE, "%s/class", sysfs_path);
+ base[DEVPATH_SIZE-1] = '\0';
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
- char dirname[MAX_PATH_SIZE];
+ char dirname[DEVPATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
- dirname[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname, DEVPATH_SIZE, "%s/%s", base, dent->d_name);
+ dirname[DEVPATH_SIZE-1] = '\0';
+
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
- char dirname2[MAX_PATH_SIZE];
+ char dirname2[DEVPATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
- snprintf(dirname2, MAX_PATH_SIZE, "%s/%s", dirname, dent2->d_name);
- dirname2[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname2, DEVPATH_SIZE, "%s/%s", dirname, dent2->d_name);
+ dirname2[DEVPATH_SIZE-1] = '\0';
/* pass the net class as it is */
if (strcmp(dent->d_name, "net") == 0)
}
closedir(dir);
}
-
exec_list(&device_list);
}
-int udev_start(void)
+static void asmlinkage sig_handler(int signum)
{
- /* set environment for callouts and dev.d/ */
+ switch (signum) {
+ case SIGALRM:
+ exit(1);
+ case SIGINT:
+ case SIGTERM:
+ exit(20 + signum);
+ }
+}
+
+int main(int argc, char *argv[], char *envp[])
+{
+ struct sigaction act;
+
+ udev_init_config();
+
+ /* set signal handlers */
+ memset(&act, 0x00, sizeof(act));
+ act.sa_handler = (void (*) (int))sig_handler;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+ sigaction(SIGALRM, &act, NULL);
+ sigaction(SIGINT, &act, NULL);
+ sigaction(SIGTERM, &act, NULL);
+
+ /* trigger timeout to prevent hanging processes */
+ alarm(ALARM_TIMEOUT);
+
+ /* set environment for executed programs */
setenv("ACTION", "add", 1);
setenv("UDEV_START", "1", 1);
- udev_scan_class();
+ namedev_init();
+
udev_scan_block();
+ udev_scan_class();
return 0;
}