X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Faddress_cache.c;h=df465da3a00df076a352433392b95f823e93687a;hb=7ab400aebdc38e7ee5dafc0a2291bbbea25e3f7c;hp=381ae785a1d3ff46b689cd4239b51ec4c887b339;hpb=d2b03f006f98d504e3e30f2d4b91ce02abd19c51;p=tinc

diff --git a/src/address_cache.c b/src/address_cache.c
index 381ae785..df465da3 100644
--- a/src/address_cache.c
+++ b/src/address_cache.c
@@ -67,6 +67,7 @@ static struct addrinfo *get_known_addresses(node_t *n) {
 static void free_known_addresses(struct addrinfo *ai) {
 	for(struct addrinfo *aip = ai, *next; aip; aip = next) {
 		next = aip->ai_next;
+		free(aip->ai_addr);
 		free(aip);
 	}
 }
@@ -108,7 +109,6 @@ void add_recent_address(address_cache_t *cache, const sockaddr_t *sa) {
 	FILE *fp = fopen(fname, "wb");
 
 	if(fp) {
-		fprintf(stderr, "Writing cache to %s\n", fname);
 		fwrite(&cache->data, sizeof(cache->data), 1, fp);
 		fclose(fp);
 	}
@@ -129,12 +129,12 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
 		if(cache->ai) {
 			if(cache->aip) {
 				sockaddr_t *sa = (sockaddr_t *)cache->aip->ai_addr;
+				cache->aip = cache->aip->ai_next;
 
 				if(find_cached(cache, sa) != NOT_CACHED) {
 					continue;
 				}
 
-				cache->aip = cache->aip->ai_next;
 				return sa;
 			} else {
 				free_known_addresses(cache->ai);
@@ -152,7 +152,7 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
 		cache->cfg = lookup_config(cache->config_tree, "Address");
 	}
 
-	while(cache->cfg && !cache->ai) {
+	while(cache->cfg && !cache->aip) {
 		char *address, *port;
 
 		get_config_string(cache->cfg, &address);
@@ -168,7 +168,32 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
 			}
 		}
 
+		if(cache->ai) {
+			free_known_addresses(cache->ai);
+		}
+
 		cache->aip = cache->ai = str2addrinfo(address, port, SOCK_STREAM);
+
+		if(cache->ai) {
+			struct addrinfo *ai = NULL;
+
+			for(; cache->aip; cache->aip = cache->aip->ai_next) {
+				struct addrinfo *oai = ai;
+
+				ai = xzalloc(sizeof(*ai));
+				ai->ai_family = cache->aip->ai_family;
+				ai->ai_socktype = cache->aip->ai_socktype;
+				ai->ai_protocol = cache->aip->ai_protocol;
+				ai->ai_addrlen = cache->aip->ai_addrlen;
+				ai->ai_addr = xmalloc(ai->ai_addrlen);
+				memcpy(ai->ai_addr, cache->aip->ai_addr, ai->ai_addrlen);
+				ai->ai_next = oai;
+			}
+
+			freeaddrinfo(cache->ai);
+			cache->aip = cache->ai = ai;
+		}
+
 		free(address);
 		free(port);
 
@@ -182,7 +207,7 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
 			cache->aip = cache->aip->ai_next;
 			return sa;
 		} else {
-			freeaddrinfo(cache->ai);
+			free_known_addresses(cache->ai);
 			cache->ai = NULL;
 		}
 	}
@@ -234,11 +259,7 @@ void reset_address_cache(address_cache_t *cache, const sockaddr_t *sa) {
 	}
 
 	if(cache->ai) {
-		if(cache->tried == cache->data.used) {
-			free_known_addresses(cache->ai);
-		} else {
-			freeaddrinfo(cache->ai);
-		}
+		free_known_addresses(cache->ai);
 	}
 
 	cache->config_tree = NULL;
@@ -254,11 +275,7 @@ void close_address_cache(address_cache_t *cache) {
 	}
 
 	if(cache->ai) {
-		if(cache->tried == cache->data.used) {
-			free_known_addresses(cache->ai);
-		} else {
-			freeaddrinfo(cache->ai);
-		}
+		free_known_addresses(cache->ai);
 	}
 
 	free(cache);