diff options
Diffstat (limited to 'udev/lib')
| -rw-r--r-- | udev/lib/libudev-device.c | 1 | ||||
| -rw-r--r-- | udev/lib/libudev-monitor.c | 46 | ||||
| -rw-r--r-- | udev/lib/libudev-private.h | 3 |
3 files changed, 44 insertions, 6 deletions
diff --git a/udev/lib/libudev-device.c b/udev/lib/libudev-device.c index 62f3518839..c27290835a 100644 --- a/udev/lib/libudev-device.c +++ b/udev/lib/libudev-device.c @@ -913,6 +913,7 @@ int udev_device_add_property_from_string(struct udev_device *udev_device, const int udev_device_set_action(struct udev_device *udev_device, const char *action) { + udev_device_add_property(udev_device, "ACTION", action); udev_device->action = strdup(action); if (udev_device->action == NULL) return -ENOMEM; diff --git a/udev/lib/libudev-monitor.c b/udev/lib/libudev-monitor.c index fc87cba4ab..bca7ab32b5 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"); @@ -347,3 +355,29 @@ struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monito 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; +} diff --git a/udev/lib/libudev-private.h b/udev/lib/libudev-private.h index 1ba0220310..9969b37214 100644 --- a/udev/lib/libudev-private.h +++ b/udev/lib/libudev-private.h @@ -76,6 +76,9 @@ extern int udev_device_get_ignore_remove(struct udev_device *udev_device); extern int udev_device_set_ignore_remove(struct udev_device *udev_device, int ignore); extern void udev_device_set_info_loaded(struct udev_device *device); +/* libudev-monitor - netlink/unix socket communication */ +extern int udev_monitor_send_device(struct udev_monitor *udev_monitor, struct udev_device *udev_device); + /* libudev-ctrl - daemon runtime setup */ struct udev_ctrl; extern struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socket_path); |