#include <fnmatch.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
#include "udev.h"
#include "udevd.h"
+#include "udev_rules.h"
static int verbose;
static int dry_run;
LIST_HEAD(filter_subsystem_nomatch_list);
LIST_HEAD(filter_attr_match_list);
LIST_HEAD(filter_attr_nomatch_list);
+static int sock = -1;
+static struct sockaddr_un saddr;
+static socklen_t saddrlen;
/* devices that should run last cause of their dependencies */
static int delay_device(const char *devpath)
close(fd);
}
+static int pass_to_socket(const char *devpath, const char *action)
+{
+ struct udevice udev;
+ struct name_entry *name_loop;
+ char buf[4096];
+ size_t bufpos = 0;
+ ssize_t count;
+ char path[PATH_SIZE];
+ int fd;
+ char link_target[PATH_SIZE];
+ int len;
+ int err = 0;
+
+ udev_device_init(&udev);
+ udev_db_get_device(&udev, devpath);
+
+ /* add header */
+ bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath);
+ bufpos++;
+
+ /* add standard keys */
+ bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVPATH=%s", devpath);
+ bufpos++;
+ bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "ACTION=%s", action);
+ bufpos++;
+
+ /* add subsystem */
+ strlcpy(path, sysfs_path, sizeof(path));
+ strlcat(path, devpath, sizeof(path));
+ strlcat(path, "/subsystem", sizeof(path));
+ len = readlink(path, link_target, sizeof(link_target));
+ if (len > 0) {
+ char *pos;
+
+ link_target[len] = '\0';
+ pos = strrchr(link_target, '/');
+ if (pos != NULL) {
+ bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "SUBSYSTEM=%s", &pos[1]);
+ bufpos++;
+ }
+ }
+
+ /* add symlinks and node name */
+ path[0] = '\0';
+ list_for_each_entry(name_loop, &udev.symlink_list, node) {
+ strlcat(path, udev_root, sizeof(path));
+ strlcat(path, "/", sizeof(path));
+ strlcat(path, name_loop->name, sizeof(path));
+ strlcat(path, " ", sizeof(path));
+ }
+ remove_trailing_chars(path, ' ');
+ if (path[0] != '\0') {
+ bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVLINKS=%s", path);
+ bufpos++;
+ }
+ if (udev.name[0] != '\0') {
+ strlcpy(path, udev_root, sizeof(path));
+ strlcat(path, "/", sizeof(path));
+ strlcat(path, udev.name, sizeof(path));
+ bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVNAME=%s", path);
+ bufpos++;
+ }
+
+ /* add keys from device "uevent" file */
+ strlcpy(path, sysfs_path, sizeof(path));
+ strlcat(path, devpath, sizeof(path));
+ strlcat(path, "/uevent", sizeof(path));
+ fd = open(path, O_RDONLY);
+ if (fd >= 0) {
+ char value[4096];
+
+ count = read(fd, value, sizeof(value));
+ close(fd);
+ if (count > 0) {
+ char *key;
+
+ value[count] = '\0';
+ key = value;
+ while (key[0] != '\0') {
+ char *next;
+
+ next = strchr(key, '\n');
+ if (next == NULL)
+ break;
+ next[0] = '\0';
+ bufpos += strlcpy(&buf[bufpos], key, sizeof(buf) - bufpos-1);
+ bufpos++;
+ key = &next[1];
+ }
+ }
+ }
+
+ /* add keys from database */
+ list_for_each_entry(name_loop, &udev.env_list, node) {
+ bufpos += strlcpy(&buf[bufpos], name_loop->name, sizeof(buf) - bufpos-1);
+ bufpos++;
+ }
+ if (bufpos > sizeof(buf))
+ bufpos = sizeof(buf);
+
+ count = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, saddrlen);
+ if (count < 0)
+ err = -1;
+
+ return err;
+}
+
static void exec_list(const char *action)
{
struct name_entry *loop_device;
list_for_each_entry_safe(loop_device, tmp_device, &device_list, node) {
if (delay_device(loop_device->name))
continue;
-
- trigger_uevent(loop_device->name, action);
+ if (sock)
+ pass_to_socket(loop_device->name, action);
+ else
+ trigger_uevent(loop_device->name, action);
list_del(&loop_device->node);
free(loop_device);
}
/* trigger remaining delayed devices */
list_for_each_entry_safe(loop_device, tmp_device, &device_list, node) {
- trigger_uevent(loop_device->name, action);
+ if (sock)
+ pass_to_socket(loop_device->name, action);
+ else
+ trigger_uevent(loop_device->name, action);
list_del(&loop_device->node);
free(loop_device);
}
int udevtrigger(int argc, char *argv[], char *envp[])
{
int failed = 0;
+ const char *sockpath = NULL;
int option;
const char *action = "add";
static const struct option options[] = {
{ "verbose", 0, NULL, 'v' },
{ "dry-run", 0, NULL, 'n' },
{ "retry-failed", 0, NULL, 'F' },
+ { "socket", 1, NULL, 'o' },
{ "help", 0, NULL, 'h' },
{ "action", 1, NULL, 'c' },
{ "subsystem-match", 1, NULL, 's' },
sysfs_init();
while (1) {
- option = getopt_long(argc, argv, "vnFhc:s:S:a:A:", options, NULL);
+ option = getopt_long(argc, argv, "vnFo:hc:s:S:a:A:", options, NULL);
if (option == -1)
break;
case 'F':
failed = 1;
break;
+ case 'o':
+ sockpath = optarg;
+ break;
case 'c':
action = optarg;
break;
}
}
+ if (sockpath != NULL) {
+ sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
+ memset(&saddr, 0x00, sizeof(struct sockaddr_un));
+ saddr.sun_family = AF_LOCAL;
+ /* abstract namespace only */
+ strlcpy(&saddr.sun_path[1], sockpath, sizeof(saddr.sun_path)-1);
+ saddrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
+ }
+
if (failed) {
scan_failed();
exec_list(action);
name_list_cleanup(&filter_attr_match_list);
name_list_cleanup(&filter_attr_nomatch_list);
+ if (sock >= 0)
+ close(sock);
sysfs_cleanup();
logging_close();
return 0;
~ianmdlvl / elogind.git / blobdiff