diff options
Diffstat (limited to 'udev/lib/libudev-monitor.c')
| -rw-r--r-- | udev/lib/libudev-monitor.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/udev/lib/libudev-monitor.c b/udev/lib/libudev-monitor.c index bca7ab32b5..ccfcd6afc5 100644 --- a/udev/lib/libudev-monitor.c +++ b/udev/lib/libudev-monitor.c @@ -75,12 +75,12 @@ struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char udev_monitor->udev = udev; udev_monitor->sun.sun_family = AF_LOCAL; - if (udev_monitor->sun.sun_path[0] == '@') { + if (socket_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)) { + } else if (stat(socket_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); @@ -244,6 +244,7 @@ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monito char cred_msg[CMSG_SPACE(sizeof(struct ucred))]; char buf[4096]; size_t bufpos; + int devpath_set = 0; int maj = 0; int min = 0; @@ -313,6 +314,7 @@ 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)); udev_device_set_syspath(udev_device, path); + devpath_set = 1; } else if (strncmp(key, "SUBSYSTEM=", 10) == 0) { udev_device_set_subsystem(udev_device, &key[10]); } else if (strncmp(key, "DEVNAME=", 8) == 0) { @@ -350,6 +352,11 @@ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monito continue; udev_device_add_property_from_string(udev_device, key); } + if (!devpath_set) { + udev_device_unref(udev_device); + return NULL; + } + udev_device_set_devnum(udev_device, makedev(maj, min)); udev_device_set_info_loaded(udev_device); @@ -370,9 +377,9 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor, struct udev_devi 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 += snprintf(&buf[bufpos], sizeof(buf) - bufpos, "%s=%s", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); bufpos++; } count = sendto(udev_monitor->sock, |