X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Flib%2Flibudev-monitor.c;h=bca7ab32b5e520f98bffbeed37d1af888ae7efd1;hp=e72b2066232885c6dc8addbda93b7b8b406bd7d2;hb=9925ab0451b307b5766b12134bdc178e4c89f297;hpb=659353f5a9a52336c41cf595d933311b8dc48937

diff --git a/udev/lib/libudev-monitor.c b/udev/lib/libudev-monitor.c
index e72b20662..bca7ab32b 100644
--- a/udev/lib/libudev-monitor.c
+++ b/udev/lib/libudev-monitor.c
@@ -61,6 +61,7 @@ struct udev_monitor {
 struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path)
 {
 	struct udev_monitor *udev_monitor;
+	struct stat statbuf;
 
 	if (udev == NULL)
 		return NULL;
@@ -74,13 +75,20 @@ struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char
 	udev_monitor->udev = udev;
 
 	udev_monitor->sun.sun_family = AF_LOCAL;
-	strcpy(udev_monitor->sun.sun_path, socket_path);
-	udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(udev_monitor->sun.sun_path);
-
-	/* translate leading '@' to abstract namespace */
-	if (udev_monitor->sun.sun_path[0] == '@')
+	if (udev_monitor->sun.sun_path[0] == '@') {
+		/* translate leading '@' to abstract namespace */
+		util_strlcpy(udev_monitor->sun.sun_path, socket_path, sizeof(udev_monitor->sun.sun_path));
 		udev_monitor->sun.sun_path[0] = '\0';
-
+		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
+	} else if (stat(udev_monitor->sun.sun_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) {
+		/* existing socket file */
+		util_strlcpy(udev_monitor->sun.sun_path, socket_path, sizeof(udev_monitor->sun.sun_path));
+		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
+	} else {
+		/* no socket file, assume abstract namespace socket */
+		util_strlcpy(&udev_monitor->sun.sun_path[1], socket_path, sizeof(udev_monitor->sun.sun_path)-1);
+		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1;
+	}
 	udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
 	if (udev_monitor->sock == -1) {
 		err(udev, "error getting socket: %m\n");
@@ -284,7 +292,7 @@ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monito
 		return NULL;
 	}
 
-	udev_device = device_init(udev_monitor->udev);
+	udev_device = device_new(udev_monitor->udev);
 	if (udev_device == NULL) {
 		return NULL;
 	}
@@ -304,46 +312,72 @@ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monito
 
 			util_strlcpy(path, udev_get_sys_path(udev_monitor->udev), sizeof(path));
 			util_strlcat(path, &key[8], sizeof(path));
-			device_set_syspath(udev_device, path);
+			udev_device_set_syspath(udev_device, path);
 		} else if (strncmp(key, "SUBSYSTEM=", 10) == 0) {
-			device_set_subsystem(udev_device, &key[10]);
+			udev_device_set_subsystem(udev_device, &key[10]);
 		} else if (strncmp(key, "DEVNAME=", 8) == 0) {
-			device_set_devnode(udev_device, &key[8]);
+			udev_device_set_devnode(udev_device, &key[8]);
 		} else if (strncmp(key, "DEVLINKS=", 9) == 0) {
 			char *slink = &key[9];
 			char *next = strchr(slink, ' ');
 
 			while (next != NULL) {
 				next[0] = '\0';
-				device_add_devlink(udev_device, slink);
+				udev_device_add_devlink(udev_device, slink);
 				slink = &next[1];
 				next = strchr(slink, ' ');
 			}
 			if (slink[0] != '\0')
-				device_add_devlink(udev_device, slink);
+				udev_device_add_devlink(udev_device, slink);
 		} else if (strncmp(key, "DRIVER=", 7) == 0) {
-			device_set_driver(udev_device, &key[7]);
+			udev_device_set_driver(udev_device, &key[7]);
 		} else if (strncmp(key, "ACTION=", 7) == 0) {
-			device_set_action(udev_device, &key[7]);
+			udev_device_set_action(udev_device, &key[7]);
 		} else if (strncmp(key, "MAJOR=", 6) == 0) {
 			maj = strtoull(&key[6], NULL, 10);
 		} else if (strncmp(key, "MINOR=", 6) == 0) {
 			min = strtoull(&key[6], NULL, 10);
 		} else if (strncmp(key, "DEVPATH_OLD=", 12) == 0) {
-			device_set_devpath_old(udev_device, &key[12]);
+			udev_device_set_devpath_old(udev_device, &key[12]);
 		} else if (strncmp(key, "PHYSDEVPATH=", 12) == 0) {
-			device_set_physdevpath(udev_device, &key[12]);
+			udev_device_set_physdevpath(udev_device, &key[12]);
 		} else if (strncmp(key, "SEQNUM=", 7) == 0) {
-			device_set_seqnum(udev_device, strtoull(&key[7], NULL, 10));
+			udev_device_set_seqnum(udev_device, strtoull(&key[7], NULL, 10));
 		} else if (strncmp(key, "TIMEOUT=", 8) == 0) {
-			device_set_timeout(udev_device, strtoull(&key[8], NULL, 10));
+			udev_device_set_timeout(udev_device, strtoull(&key[8], NULL, 10));
 		}
 		if (strncmp(key, "PHYSDEV", 7) == 0)
 			continue;
-		device_add_property_from_string(udev_device, key);
+		udev_device_add_property_from_string(udev_device, key);
 	}
-	device_set_devnum(udev_device, makedev(maj, min));
+	udev_device_set_devnum(udev_device, makedev(maj, min));
 
-	device_set_info_loaded(udev_device);
+	udev_device_set_info_loaded(udev_device);
 	return udev_device;
 }
+
+int udev_monitor_send_device(struct udev_monitor *udev_monitor, struct udev_device *udev_device)
+{
+	const char *action;
+	struct udev_list_entry *list_entry;
+	char buf[4096];
+	size_t bufpos;
+	ssize_t count;
+
+	action = udev_device_get_action(udev_device);
+	if (action == NULL)
+		return -EINVAL;
+	bufpos = snprintf(buf, sizeof(buf), "%s@%s", action, udev_device_get_devpath(udev_device));
+	bufpos++;
+	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
+		bufpos += util_strlcpy(&buf[bufpos],
+				       udev_list_entry_get_name(list_entry),
+				       sizeof(buf) - bufpos);
+		bufpos++;
+	}
+	count = sendto(udev_monitor->sock,
+		       &buf, bufpos, 0,
+		       (struct sockaddr *)&udev_monitor->sun, udev_monitor->addrlen);
+	info(udev_monitor->udev, "passed %zi bytes to monitor %p, \n", count, udev_monitor);
+	return count;
+}