deprecated ipv6_netmask

src/common.h

@@ -42,6 +42,22 @@ ssize_t force_read_timeout(int sockfd, void *buf, size_t len, unsigned sec);
 ssize_t recv_timeout(int sockfd, void *buf, size_t len, unsigned sec);
 int ip_cmp(const struct sockaddr_storage *s1, const struct sockaddr_storage *s2, size_t n);
 char* ipv6_prefix_to_mask(void *pool, unsigned prefix);
+inline static int valid_ipv6_prefix(unsigned prefix)
+{
+	switch (prefix) {
+		case 16:
+		case 32:
+		case 48:
+		case 64:
+		case 80:
+		case 96:
+		case 112:
+		case 128:
+			return 1;
+		default:
+			return 0;
+	}
+}
 
 typedef size_t (*pack_func)(const void*, uint8_t *);
 typedef size_t (*pack_size_func)(const void*);

src/config.c

@@ -561,10 +561,9 @@ unsigned force_cert_auth;
 
 	READ_NUMERIC("ipv6-prefix", prefix);
 	if (prefix > 0) {
-		config->network.ipv6_netmask = ipv6_prefix_to_mask(config, prefix);
 		config->network.ipv6_prefix = prefix;
 
-		if (config->network.ipv6_netmask == NULL) {
+		if (valid_ipv6_prefix(prefix) == 0) {
 			fprintf(stderr, "invalid IPv6 prefix: %u\n", prefix);
 			exit(1);
 		}
@@ -642,8 +641,8 @@ static void check_cfg(struct cfg_st *config)
 		exit(1);
 	}
 
-	if (config->network.ipv6 != NULL && config->network.ipv6_netmask == NULL) {
-		fprintf(stderr, "No mask found for IPv6 network.\n");
+	if (config->network.ipv6 != NULL && config->network.ipv6_prefix == 0) {
+		fprintf(stderr, "No prefix found for IPv6 network.\n");
 		exit(1);
 	}
 
@@ -775,7 +774,6 @@ unsigned i;
 	DEL(config->network.ipv4);
 	DEL(config->network.ipv4_netmask);
 	DEL(config->network.ipv6);
-	DEL(config->network.ipv6_netmask);
 	for (i=0;i<config->network.routes_size;i++)
 		DEL(config->network.routes[i]);
 	DEL(config->network.routes);

src/ip-lease.c

@@ -273,15 +273,16 @@ int get_ipv6_lease(main_server_st* s, struct proc_st* proc)
 	struct sockaddr_storage tmp, mask, network, rnd;
 	unsigned i, max_loops = MAX_IP_TRIES;
 	int ret;
-	const char* c_network, *c_netmask;
+	const char* c_network;
+	char *c_netmask = NULL;
 	char buf[64];
 
-	if (proc->config.ipv6_network && proc->config.ipv6_netmask) {
+	if (proc->config.ipv6_network && proc->config.ipv6_prefix) {
 		c_network = proc->config.ipv6_network;
-		c_netmask = proc->config.ipv6_netmask;
+		c_netmask = ipv6_prefix_to_mask(proc, proc->config.ipv6_prefix);
 	} else {
 		c_network = s->config->network.ipv6;
-		c_netmask = s->config->network.ipv6_netmask;
+		c_netmask = ipv6_prefix_to_mask(proc, proc->config.ipv6_prefix);
 	}
 
 	if (c_network && c_netmask) {
@@ -392,6 +393,7 @@ int get_ipv6_lease(main_server_st* s, struct proc_st* proc)
 	return 0;
 fail:
 	talloc_free(proc->ipv6);
+	talloc_free(c_netmask);
 	proc->ipv6 = NULL;
 
 	return ret;

src/main-auth.c

@@ -85,7 +85,6 @@ int send_cookie_auth_reply(main_server_st* s, struct proc_st* proc,
 		}
 
 		msg.ipv4_netmask = proc->config.ipv4_netmask;
-		msg.ipv6_netmask = proc->config.ipv6_netmask;
 
 		msg.ipv4_network = proc->config.ipv4_network;
 		msg.ipv6_network = proc->config.ipv6_network;

src/sup-config/file.c

@@ -199,10 +199,9 @@ struct group_cfg_st *sconfig = &proc->config;
 
 	READ_RAW_NUMERIC("ipv6-prefix", prefix);
 	if (prefix > 0) {
-		sconfig->ipv6_netmask = ipv6_prefix_to_mask(proc, prefix);
 		sconfig->ipv6_prefix = prefix;
 
-		if (sconfig->ipv6_netmask == NULL) {
+		if (valid_ipv6_prefix(prefix) == 0) {
 			syslog(LOG_ERR, "unknown ipv6-prefix '%u' in %s", prefix, file);
 		}
 	}
@@ -307,7 +306,6 @@ unsigned i;
 	talloc_free(config->ipv4_network);
 	talloc_free(config->ipv6_network);
 	talloc_free(config->ipv4_netmask);
-	talloc_free(config->ipv6_netmask);
 	safe_memset(config, 0, sizeof(*config));
 }
 

src/vpn.h

@@ -145,7 +145,6 @@ struct group_cfg_st {
 	char *ipv6_network;
 	unsigned ipv6_prefix;
 	char *ipv4_netmask;
-	char *ipv6_netmask;
 	
 	char *cgroup;
 
@@ -166,7 +165,6 @@ struct vpn_st {
 	char *ipv4_network;
 	char *ipv4;
 	char *ipv4_local; /* local IPv4 address */
-	char *ipv6_netmask;
 	char *ipv6_network;
 	unsigned ipv6_prefix;
 

src/worker-auth.c

@@ -548,12 +548,6 @@ static int recv_cookie_auth_reply(worker_st * ws)
 				    talloc_strdup(ws, msg->ipv4_netmask);
 			}
 
-			if (msg->ipv6_netmask != NULL) {
-				talloc_free(ws->config->network.ipv6_netmask);
-				ws->config->network.ipv6_netmask =
-				    talloc_strdup(ws, msg->ipv6_netmask);
-			}
-
 			if (msg->ipv4_network != NULL) {
 				talloc_free(ws->config->network.ipv4_network);
 				ws->config->network.ipv4_network =

src/worker-misc.c

@@ -227,7 +227,6 @@ int complete_vpn_info(worker_st * ws, struct vpn_st *vinfo)
 	vinfo->ipv6_network = ws->config->network.ipv6_network;
 
 	vinfo->ipv4_netmask = ws->config->network.ipv4_netmask;
-	vinfo->ipv6_netmask = ws->config->network.ipv6_netmask;
 	vinfo->ipv6_prefix = ws->config->network.ipv6_prefix;
 
 	if (ws->config->network.mtu != 0) {