X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol.c;h=f533a932c6e94dfee216073260db53e0155e59ae;hp=1153d61fed56017f9ca07638cb869012b5959d7b;hb=d4410d0cce40929db9a0ce7042ef962f1867234d;hpb=6dfdb323612184529b4b83c1be914dda8262de47

diff --git a/src/protocol.c b/src/protocol.c
index 1153d61f..f533a932 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -1,7 +1,7 @@
 /*
     protocol.c -- handle the meta-protocol, basic functions
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2012 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2013 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -30,7 +30,7 @@
 
 bool tunnelserver = false;
 bool strictsubnets = false;
-bool experimental = false;
+bool experimental = true;
 
 /* Jumptable for the request handlers */
 
@@ -41,6 +41,9 @@ static bool (*request_handlers[])(connection_t *, const char *) = {
 		add_subnet_h, del_subnet_h,
 		add_edge_h, del_edge_h,
 		key_changed_h, req_key_h, ans_key_h, tcppacket_h, control_h,
+		NULL, NULL, /* Not "real" requests (yet) */
+		sptps_tcppacket_h,
+		udp_info_h, mtu_info_h,
 };
 
 /* Request names */
@@ -51,21 +54,11 @@ static char (*request_name[]) = {
 		"PING", "PONG",
 		"ADD_SUBNET", "DEL_SUBNET",
 		"ADD_EDGE", "DEL_EDGE", "KEY_CHANGED", "REQ_KEY", "ANS_KEY", "PACKET", "CONTROL",
+		"REQ_PUBKEY", "ANS_PUBKEY", "SPTPS_PACKET", "UDP_INFO", "MTU_INFO",
 };
 
 static splay_tree_t *past_request_tree;
 
-bool check_id(const char *id) {
-	if(!id || !*id)
-		return false;
-
-	for(; *id; id++)
-		if(!isalnum(*id) && *id != '_')
-			return false;
-
-	return true;
-}
-
 /* Generic request routines - takes care of logging and error
    detection as well */
 
@@ -111,7 +104,7 @@ void forward_request(connection_t *from, const char *request) {
 }
 
 bool receive_request(connection_t *c, const char *request) {
-	if(proxytype == PROXY_HTTP && c->allow_request == ID) {
+	if(c->outgoing && proxytype == PROXY_HTTP && c->allow_request == ID) {
 		if(!request[0] || request[0] == '\r')
 			return true;
 		if(!strncasecmp(request, "HTTP/1.1 ", 9)) {
@@ -143,7 +136,8 @@ bool receive_request(connection_t *c, const char *request) {
 		if(!request_handlers[reqno](c, request)) {
 			/* Something went wrong. Probably scriptkiddies. Terminate. */
 
-			logger(DEBUG_ALWAYS, LOG_ERR, "Error while processing %s from %s (%s)", request_name[reqno], c->name, c->hostname);
+			if(reqno != TERMREQ)
+				logger(DEBUG_ALWAYS, LOG_ERR, "Error while processing %s from %s (%s)", request_name[reqno], c->name, c->hostname);
 			return false;
 		}
 	} else {
@@ -165,7 +159,24 @@ static void free_past_request(past_request_t *r) {
 	free(r);
 }
 
-static struct event past_request_event;
+static timeout_t past_request_timeout;
+
+static void age_past_requests(void *data) {
+	int left = 0, deleted = 0;
+
+	for splay_each(past_request_t, p, past_request_tree) {
+		if(p->firstseen + pinginterval <= now.tv_sec)
+			splay_delete_node(past_request_tree, node), deleted++;
+		else
+			left++;
+	}
+
+	if(left || deleted)
+		logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Aging past requests: deleted %d, left %d", deleted, left);
+
+	if(left)
+		timeout_set(&past_request_timeout, &(struct timeval){10, rand() % 100000});
+}
 
 bool seen_request(const char *request) {
 	past_request_t *new, p = {NULL};
@@ -178,46 +189,19 @@ bool seen_request(const char *request) {
 	} else {
 		new = xmalloc(sizeof *new);
 		new->request = xstrdup(request);
-		new->firstseen = time(NULL);
+		new->firstseen = now.tv_sec;
 		splay_insert(past_request_tree, new);
-		event_add(&past_request_event, &(struct timeval){10, 0});
+		timeout_add(&past_request_timeout, age_past_requests, NULL, &(struct timeval){10, rand() % 100000});
 		return false;
 	}
 }
 
-static void age_past_requests(int fd, short events, void *data) {
-	splay_node_t *node, *next;
-	past_request_t *p;
-	int left = 0, deleted = 0;
-	time_t now = time(NULL);
-
-	for(node = past_request_tree->head; node; node = next) {
-		next = node->next;
-		p = node->data;
-
-		if(p->firstseen + pinginterval <= now)
-			splay_delete_node(past_request_tree, node), deleted++;
-		else
-			left++;
-	}
-
-	if(left || deleted)
-		logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Aging past requests: deleted %d, left %d",
-			   deleted, left);
-
-	if(left)
-		event_add(&past_request_event, &(struct timeval){10, 0});
-}
-
 void init_requests(void) {
 	past_request_tree = splay_alloc_tree((splay_compare_t) past_request_compare, (splay_action_t) free_past_request);
-
-	timeout_set(&past_request_event, age_past_requests, NULL);
 }
 
 void exit_requests(void) {
 	splay_delete_tree(past_request_tree);
 
-	if(timeout_initialized(&past_request_event))
-		event_del(&past_request_event);
+	timeout_del(&past_request_timeout);
 }