Work in progress.

src/network/connection.c

@@ -138,6 +138,23 @@ ssize_t net_con_ssl_handshake(struct net_connection* con, enum net_con_ssl_mode
 #endif /* SSL_SUPPORT */
 
 
+int net_con_connect(struct net_connection* con, struct sockaddr* addr, size_t addr_len)
+{
+	int ret = net_connect(con->sd, (struct sockaddr*) addr, addr_len);
+	if (ret == 0 || (ret == -1 && net_error() == EISCONN))
+	{
+		return 1;
+	}
+	else if (ret == -1 && (net_error() == EALREADY || net_error() == EINPROGRESS || net_error() == EWOULDBLOCK || net_error() == EINTR))
+	{
+		return 0;
+	}
+	else
+	{
+		return -1;
+	}
+}
+
 ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
 {
 	int ret;
@@ -307,15 +324,18 @@ void net_con_callback(struct net_connection* con, int events)
 
 			case tls_st_connected:
 				LOG_PROTO("tls_st_connected, events=%s%s, ssl_flags=%s%s", (events & NET_EVENT_READ ? "R" : ""), (events & NET_EVENT_WRITE ? "W" : ""), con->flags & NET_WANT_SSL_READ ? "R" : "", con->flags & NET_WANT_SSL_WRITE ? "W" : "");
-				if (events & NET_EVENT_WRITE && con->flags & NET_WANT_SSL_READ)
+
+				// continue a SSL_read() that wants to write.
+				if (events & NET_EVENT_WRITE && con->flags & NET_WANT_SSL_WRITE)
 				{
-					con->callback(con, events & NET_EVENT_READ, con->ptr);
+					con->callback(con, NET_EVENT_READ, con->ptr);
 					return;
 				}
 
+				// continue a SSL_write() that wants to read something.
 				if (events & NET_EVENT_READ && con->flags & NET_WANT_SSL_WRITE)
 				{
-					con->callback(con, events & NET_EVENT_READ, con->ptr);
+					con->callback(con, NET_EVENT_WRITE, con->ptr);
 					return;
 				}
 

src/network/connection.h

@@ -75,6 +75,12 @@ extern ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len);
  */
 extern ssize_t net_con_peek(struct net_connection* con, void* buf, size_t len);
 
+/**
+ * Returns 1 if connected, 0 if net_con_connect needs to be called again,
+ * and -1 if an error occured.
+ */
+extern int net_con_connect(struct net_connection* con, struct sockaddr* addr, size_t addr_len);
+
 /**
  * Set timeout for connetion.
  *

src/tools/adcclient.c

@@ -377,12 +377,12 @@ int ADC_client_connect(struct ADC_client* client, const char* address)
 		client->callback(client, ADC_CLIENT_CONNECTING, 0);
 	}
     
-	int ret = net_connect(net_con_get_sd(client->con), (struct sockaddr*) &client->addr, sizeof(struct sockaddr_in));
-	if (ret == 0 || (ret == -1 && net_error() == EISCONN))
+	int ret = net_con_connect(client->con, (struct sockaddr*) &client->addr, sizeof(struct sockaddr_in));
+	if (ret == 1)
 	{
 		ADC_client_on_connected(client);
 	}
-	else if (ret == -1 && (net_error() == EALREADY || net_error() == EINPROGRESS || net_error() == EWOULDBLOCK || net_error() == EINTR))
+	else if (ret == 0)
 	{
 		if (client->state != ps_conn)
 		{
@@ -399,12 +399,19 @@ int ADC_client_connect(struct ADC_client* client, const char* address)
 }
 
 static void ADC_client_on_connected(struct ADC_client* client)
+{
+	if (client->ssl)
+	{
+		net_con_ssl_handshake(client->con, net_con_ssl_mode_client, NULL);
+	}
+	else
 	{
 		net_con_update(client->con, NET_EVENT_READ);
 		client->callback(client, ADC_CLIENT_CONNECTED, 0);
 		ADC_client_send(client, ADC_HANDSHAKE);
 		ADC_client_set_state(client, ps_protocol);
 	}
+}
 
 static void ADC_client_on_disconnected(struct ADC_client* client)
 {
@@ -432,8 +439,8 @@ static int ADC_client_parse_address(struct ADC_client* client, const char* arg)
 {
 	char* split;
 	int ssl = 0;
-	struct hostent* dns;
-	struct in_addr* addr;
+	struct hostent* dns = 0;
+	struct in_addr* addr = 0;
 
 	if (!arg)
 		return 0;
@@ -445,12 +452,11 @@ static int ADC_client_parse_address(struct ADC_client* client, const char* arg)
 		return 0;
 
 	/* Check for ADC or ADCS */
-	if (!strncmp(arg, "adc://", 6))
-		ssl = 0;
-	else if (!strncmp(arg, "adcs://", 7))
-		ssl = 1;
-	else
-		return 0;
+	if (!strncmp(arg, "adc://", 6))       ssl = 0;
+	else if (!strncmp(arg, "adcs://", 7)) ssl = 1;
+	else return 0;
+
+	client->ssl = ssl;
 
 	/* Split hostname and port (if possible) */
 	split = strrchr(client->hub_address + 6 + ssl, ':');
@@ -467,9 +473,7 @@ static int ADC_client_parse_address(struct ADC_client* client, const char* arg)
 	/* Resolve IP address (FIXME: blocking call) */
 	dns = gethostbyname(client->hub_address + 6 + ssl);
 	if (dns)
-	{
 		addr = (struct in_addr*) dns->h_addr_list[0];
-	}
 
 	// Initialize the sockaddr struct.
 	memset(&client->addr, 0, sizeof(client->addr));

src/tools/adcclient.h

@@ -105,6 +105,7 @@ struct ADC_client
 	struct adc_message* info;
 	char recvbuf[ADC_BUFSIZE];
 	char sendbuf[ADC_BUFSIZE];
+	int ssl;
 	adc_client_cb callback;
 	size_t s_offset;
 	size_t r_offset;

src/tools/admin.c

@@ -82,7 +82,8 @@ int main(int argc, char** argv)
 
 	while (running)
 	{
-		net_backend_process();
+		if (!net_backend_process())
+		  break;
 	}
 
 	ADC_client_destroy(&client);