X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.c;h=1540df37344ace42cc87c70cc07160401fd914e7;hb=0fdc99b6a501992b8c1dea2d1a909363b5564d0d;hp=a8ed1fad3d20a0d39db9ad5f9c7a67763d904e6f;hpb=d1b43b5060795728b95b4ed3311b3398771cf34e;p=meshlink

diff --git a/src/meshlink.c b/src/meshlink.c
index a8ed1fad..1540df37 100644
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -391,7 +391,10 @@ static int getifaddrs_in_netns(struct ifaddrs **ifa, int netns) {
 #endif
 
 char *meshlink_get_local_address_for_family(meshlink_handle_t *mesh, int family) {
-	(void)mesh;
+	if(!mesh) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return NULL;
+	}
 
 	// Determine address of the local interface used for outgoing connections.
 	char localaddr[NI_MAXHOST];
@@ -2060,6 +2063,20 @@ void meshlink_set_error_cb(struct meshlink_handle *mesh, meshlink_error_cb_t cb)
 	pthread_mutex_unlock(&mesh->mutex);
 }
 
+void meshlink_set_blacklisted_cb(struct meshlink_handle *mesh, meshlink_blacklisted_cb_t cb) {
+	if(!mesh) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return;
+	}
+
+	if(pthread_mutex_lock(&mesh->mutex) != 0) {
+		abort();
+	}
+
+	mesh->blacklisted_cb = cb;
+	pthread_mutex_unlock(&mesh->mutex);
+}
+
 static bool prepare_packet(meshlink_handle_t *mesh, meshlink_node_t *destination, const void *data, size_t len, vpn_packet_t *packet) {
 	meshlink_packethdr_t *hdr;
 
@@ -2360,6 +2377,10 @@ static bool search_node_by_dev_class(const node_t *node, const void *condition)
 	return false;
 }
 
+static bool search_node_by_blacklisted(const node_t *node, const void *condition) {
+	return *(bool *)condition == node->status.blacklisted;
+}
+
 static bool search_node_by_submesh(const node_t *node, const void *condition) {
 	if(condition == node->submesh) {
 		return true;
@@ -2422,6 +2443,15 @@ meshlink_node_t **meshlink_get_all_nodes_by_last_reachable(meshlink_handle_t *me
 	return meshlink_get_all_nodes_by_condition(mesh, &range, nodes, nmemb, search_node_by_last_reachable);
 }
 
+meshlink_node_t **meshlink_get_all_nodes_by_blacklisted(meshlink_handle_t *mesh, bool blacklisted, meshlink_node_t **nodes, size_t *nmemb) {
+	if(!mesh || !nmemb) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return NULL;
+	}
+
+	return meshlink_get_all_nodes_by_condition(mesh, &blacklisted, nodes, nmemb, search_node_by_blacklisted);
+}
+
 dev_class_t meshlink_get_node_dev_class(meshlink_handle_t *mesh, meshlink_node_t *node) {
 	if(!mesh || !node) {
 		meshlink_errno = MESHLINK_EINVAL;
@@ -2441,6 +2471,28 @@ dev_class_t meshlink_get_node_dev_class(meshlink_handle_t *mesh, meshlink_node_t
 	return devclass;
 }
 
+bool meshlink_get_node_blacklisted(meshlink_handle_t *mesh, meshlink_node_t *node) {
+	if(!mesh) {
+		meshlink_errno = MESHLINK_EINVAL;
+	}
+
+	if(!node) {
+		return mesh->default_blacklist;
+	}
+
+	bool blacklisted;
+
+	if(pthread_mutex_lock(&mesh->mutex) != 0) {
+		abort();
+	}
+
+	blacklisted = ((node_t *)node)->status.blacklisted;
+
+	pthread_mutex_unlock(&mesh->mutex);
+
+	return blacklisted;
+}
+
 meshlink_submesh_t *meshlink_get_node_submesh(meshlink_handle_t *mesh, meshlink_node_t *node) {
 	if(!mesh || !node) {
 		meshlink_errno = MESHLINK_EINVAL;
@@ -3407,6 +3459,10 @@ static bool blacklist(meshlink_handle_t *mesh, node_t *n) {
 	 */
 	for list_each(connection_t, c, mesh->connections) {
 		if(c->node == n) {
+			if(c->status.active) {
+				send_error(mesh, c, BLACKLISTED, "blacklisted");
+			}
+
 			shutdown(c->socket, SHUT_RDWR);
 		}
 	}
@@ -3430,6 +3486,9 @@ static bool blacklist(meshlink_handle_t *mesh, node_t *n) {
 		mesh->node_status_cb(mesh, (meshlink_node_t *)n, false);
 	}
 
+	/* Remove any outstanding invitations */
+	invitation_purge_node(mesh, n->name);
+
 	return node_write_config(mesh, n) && config_sync(mesh, "current");
 }
 
@@ -3609,6 +3668,9 @@ bool meshlink_forget_node(meshlink_handle_t *mesh, meshlink_node_t *node) {
 		return false;
 	}
 
+	/* Delete any pending invitations */
+	invitation_purge_node(mesh, n->name);
+
 	/* Delete the node struct and any remaining edges referencing this node */
 	node_del(mesh, n);
 
@@ -3804,7 +3866,7 @@ static void channel_retransmit(struct utcp_connection *utcp_connection) {
 	node_t *n = utcp_connection->utcp->priv;
 	meshlink_handle_t *mesh = n->mesh;
 
-	if(n->mtuprobes == 31) {
+	if(n->mtuprobes == 31 && n->mtutimeout.cb) {
 		timeout_set(&mesh->loop, &n->mtutimeout, &(struct timespec) {
 			0, 0
 		});
@@ -3993,9 +4055,15 @@ void meshlink_set_channel_accept_cb(meshlink_handle_t *mesh, meshlink_channel_ac
 }
 
 void meshlink_set_channel_sndbuf(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t size) {
-	(void)mesh;
+	meshlink_set_channel_sndbuf_storage(mesh, channel, NULL, size);
+}
 
-	if(!channel) {
+void meshlink_set_channel_rcvbuf(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t size) {
+	meshlink_set_channel_rcvbuf_storage(mesh, channel, NULL, size);
+}
+
+void meshlink_set_channel_sndbuf_storage(meshlink_handle_t *mesh, meshlink_channel_t *channel, void *buf, size_t size) {
+	if(!mesh || !channel) {
 		meshlink_errno = MESHLINK_EINVAL;
 		return;
 	}
@@ -4004,14 +4072,26 @@ void meshlink_set_channel_sndbuf(meshlink_handle_t *mesh, meshlink_channel_t *ch
 		abort();
 	}
 
-	utcp_set_sndbuf(channel->c, size);
+	utcp_set_sndbuf(channel->c, buf, size);
 	pthread_mutex_unlock(&mesh->mutex);
 }
 
-void meshlink_set_channel_rcvbuf(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t size) {
-	(void)mesh;
+void meshlink_set_channel_rcvbuf_storage(meshlink_handle_t *mesh, meshlink_channel_t *channel, void *buf, size_t size) {
+	if(!mesh || !channel) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return;
+	}
 
-	if(!channel) {
+	if(pthread_mutex_lock(&mesh->mutex) != 0) {
+		abort();
+	}
+
+	utcp_set_rcvbuf(channel->c, buf, size);
+	pthread_mutex_unlock(&mesh->mutex);
+}
+
+void meshlink_set_channel_flags(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint32_t flags) {
+	if(!mesh || !channel) {
 		meshlink_errno = MESHLINK_EINVAL;
 		return;
 	}
@@ -4020,7 +4100,7 @@ void meshlink_set_channel_rcvbuf(meshlink_handle_t *mesh, meshlink_channel_t *ch
 		abort();
 	}
 
-	utcp_set_rcvbuf(channel->c, size);
+	utcp_set_flags(channel->c, flags);
 	pthread_mutex_unlock(&mesh->mutex);
 }