- HAL(Socket): Added function Socket_getLocalAddress

- IEC 61850 server: Added function ClientConnection_getLocalAddress

hal/inc/hal_socket.h

@@ -269,6 +269,9 @@ Socket_read(Socket self, uint8_t* buf, int size);
 PAL_API int
 Socket_write(Socket self, uint8_t* buf, int size);
 
+PAL_API char*
+Socket_getLocalAddress(Socket self);
+
 /**
  * \brief Get the address of the peer application (IP address and port number)
  *

hal/socket/bsd/socket_bsd.c

@@ -332,27 +332,22 @@ Socket_connect(Socket self, const char* address, int port)
         return true;
 }
 
-char*
-Socket_getPeerAddress(Socket self)
+static char*
+convertAddressToStr(struct sockaddr_storage* addr)
 {
-    struct sockaddr_storage addr;
-    socklen_t addrLen = sizeof(addr);
-
-    getpeername(self->fd, (struct sockaddr*) &addr, &addrLen);
-
     char addrString[INET6_ADDRSTRLEN + 7];
     int port;
 
     bool isIPv6;
 
-    if (addr.ss_family == AF_INET) {
-        struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) &addr;
+    if (addr->ss_family == AF_INET) {
+        struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) addr;
         port = ntohs(ipv4Addr->sin_port);
         inet_ntop(AF_INET, &(ipv4Addr->sin_addr), addrString, INET_ADDRSTRLEN);
         isIPv6 = false;
     }
-    else if (addr.ss_family == AF_INET6) {
-        struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) &addr;
+    else if (addr->ss_family == AF_INET6) {
+        struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) addr;
         port = ntohs(ipv6Addr->sin6_port);
         inet_ntop(AF_INET6, &(ipv6Addr->sin6_addr), addrString, INET6_ADDRSTRLEN);
         isIPv6 = true;
@@ -360,8 +355,7 @@ Socket_getPeerAddress(Socket self)
     else
         return NULL ;
 
-    char* clientConnection = GLOBAL_MALLOC(strlen(addrString) + 9);
-
+    char* clientConnection = (char*) GLOBAL_MALLOC(strlen(addrString) + 9);
 
     if (isIPv6)
         sprintf(clientConnection, "[%s]:%i", addrString, port);
@@ -371,6 +365,32 @@ Socket_getPeerAddress(Socket self)
     return clientConnection;
 }
 
+char*
+Socket_getPeerAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getpeername(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
+char*
+Socket_getLocalAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getsockname(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
 char*
 Socket_getPeerAddressStatic(Socket self, char* peerAddressString)
 {

hal/socket/linux/socket_linux.c

@@ -236,7 +236,6 @@ ServerSocket_listen(ServerSocket self)
     listen(self->fd, self->backLog);
 }
 
-
 /* CHANGED TO MAKE NON-BLOCKING --> RETURNS NULL IF NO CONNECTION IS PENDING */
 Socket
 ServerSocket_accept(ServerSocket self)
@@ -421,27 +420,22 @@ Socket_connect(Socket self, const char* address, int port)
 }
 
 
-char*
-Socket_getPeerAddress(Socket self)
+static char*
+convertAddressToStr(struct sockaddr_storage* addr)
 {
-    struct sockaddr_storage addr;
-    socklen_t addrLen = sizeof(addr);
-
-    getpeername(self->fd, (struct sockaddr*) &addr, &addrLen);
-
     char addrString[INET6_ADDRSTRLEN + 7];
     int port;
 
     bool isIPv6;
 
-    if (addr.ss_family == AF_INET) {
-        struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) &addr;
+    if (addr->ss_family == AF_INET) {
+        struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) addr;
         port = ntohs(ipv4Addr->sin_port);
         inet_ntop(AF_INET, &(ipv4Addr->sin_addr), addrString, INET_ADDRSTRLEN);
         isIPv6 = false;
     }
-    else if (addr.ss_family == AF_INET6) {
-        struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) &addr;
+    else if (addr->ss_family == AF_INET6) {
+        struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) addr;
         port = ntohs(ipv6Addr->sin6_port);
         inet_ntop(AF_INET6, &(ipv6Addr->sin6_addr), addrString, INET6_ADDRSTRLEN);
         isIPv6 = true;
@@ -451,7 +445,6 @@ Socket_getPeerAddress(Socket self)
 
     char* clientConnection = (char*) GLOBAL_MALLOC(strlen(addrString) + 9);
 
-
     if (isIPv6)
         sprintf(clientConnection, "[%s]:%i", addrString, port);
     else
@@ -460,6 +453,32 @@ Socket_getPeerAddress(Socket self)
     return clientConnection;
 }
 
+char*
+Socket_getPeerAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getpeername(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
+char*
+Socket_getLocalAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getsockname(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
 char*
 Socket_getPeerAddressStatic(Socket self, char* peerAddressString)
 {

hal/socket/win32/socket_win32.c

@@ -434,30 +434,25 @@ Socket_connect(Socket self, const char* address, int port)
         return true;
 }
 
-char*
-Socket_getPeerAddress(Socket self)
+static char*
+convertAddressToStr(struct sockaddr_storage* addr)
 {
-	struct sockaddr_storage addr;
-	int addrLen = sizeof(addr);
-
-	getpeername(self->fd, (struct sockaddr*) &addr, &addrLen);
-
     char addrString[INET6_ADDRSTRLEN + 7];
     int addrStringLen = INET6_ADDRSTRLEN + 7;
     int port;
 
     bool isIPv6;
 
-	if (addr.ss_family == AF_INET)  {
-		struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) &addr;
+    if (addr->ss_family == AF_INET)  {
+        struct sockaddr_in* ipv4Addr = (struct sockaddr_in*) addr;
         port = ntohs(ipv4Addr->sin_port);
         ipv4Addr->sin_port = 0;
         WSAAddressToString((LPSOCKADDR) ipv4Addr, sizeof(struct sockaddr_storage), NULL,
             (LPSTR) addrString, (LPDWORD) &addrStringLen);
         isIPv6 = false;
     }
-	else if (addr.ss_family == AF_INET6){
-		struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) &addr;
+    else if (addr->ss_family == AF_INET6){
+        struct sockaddr_in6* ipv6Addr = (struct sockaddr_in6*) addr;
         port = ntohs(ipv6Addr->sin6_port);
         ipv6Addr->sin6_port = 0;
         WSAAddressToString((LPSOCKADDR) ipv6Addr, sizeof(struct sockaddr_storage), NULL,
@@ -477,6 +472,33 @@ Socket_getPeerAddress(Socket self)
     return clientConnection;
 }
 
+
+char*
+Socket_getPeerAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getpeername(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
+char*
+Socket_getLocalAddress(Socket self)
+{
+    struct sockaddr_storage addr;
+    socklen_t addrLen = sizeof(addr);
+
+    if (getsockname(self->fd, (struct sockaddr*) &addr, &addrLen) == 0) {
+        return convertAddressToStr(&addr);
+    }
+    else
+        return NULL;
+}
+
 char*
 Socket_getPeerAddressStatic(Socket self, char* peerAddressString)
 {

src/iec61850/inc/iec61850_server.h

@@ -525,6 +525,18 @@ IedServer_setAuthenticator(IedServer self, AcseAuthenticator authenticator, void
 LIB61850_API const char*
 ClientConnection_getPeerAddress(ClientConnection self);
 
+/**
+ * \brief get the local address of this connection as string
+ *
+ * Note: the returned string is only valid as long as the client connection exists. It is save to use
+ * the string inside of the connection indication callback function.
+ *
+ * \param self the ClientConnection instance
+ * \return local address as C string.
+ */
+LIB61850_API const char*
+ClientConnection_getLocalAddress(ClientConnection self);
+
 /**
  * \brief Get the security token associated with this connection
  *

src/iec61850/server/impl/client_connection.c

@@ -128,6 +128,14 @@ ClientConnection_getPeerAddress(ClientConnection self)
     return MmsServerConnection_getClientAddress(mmsConnection);
 }
 
+const char*
+ClientConnection_getLocalAddress(ClientConnection self)
+{
+    MmsServerConnection mmsConnection = (MmsServerConnection) self->serverConnectionHandle;
+
+    return MmsServerConnection_getLocalAddress(mmsConnection);
+}
+
 
 void*
 ClientConnection_getSecurityToken(ClientConnection self)

src/mms/inc/mms_server.h

@@ -507,6 +507,9 @@ MmsServer_setStatusRequestListener(MmsServer self, MmsStatusRequestListener list
 LIB61850_INTERNAL char*
 MmsServerConnection_getClientAddress(MmsServerConnection self);
 
+LIB61850_INTERNAL char*
+MmsServerConnection_getLocalAddress(MmsServerConnection self);
+
 LIB61850_INTERNAL void*
 MmsServerConnection_getSecurityToken(MmsServerConnection self);
 

src/mms/inc_private/iso_server.h

@@ -69,6 +69,9 @@ typedef void
 LIB61850_INTERNAL char*
 IsoConnection_getPeerAddress(IsoConnection self);
 
+LIB61850_INTERNAL char*
+IsoConnection_getLocalAddress(IsoConnection self);
+
 LIB61850_INTERNAL void
 IsoConnection_close(IsoConnection self);
 

src/mms/iso_mms/server/mms_server_connection.c

@@ -787,6 +787,12 @@ MmsServerConnection_getClientAddress(MmsServerConnection self)
     return IsoConnection_getPeerAddress(self->isoConnection);
 }
 
+char*
+MmsServerConnection_getLocalAddress(MmsServerConnection self)
+{
+    return IsoConnection_getLocalAddress(self->isoConnection);
+}
+
 void*
 MmsServerConnection_getSecurityToken(MmsServerConnection self)
 {

src/mms/iso_server/iso_connection.c

@@ -82,6 +82,7 @@ struct sIsoConnection
     AcseConnection* acseConnection;
 
     char* clientAddress;
+    char* localAddress;
 
 #if (CONFIG_MMS_THREADLESS_STACK != 1)
     Thread thread;
@@ -122,6 +123,7 @@ finalizeIsoConnection(IsoConnection self)
     GLOBAL_FREEMEM(self->receiveBuffer);
     GLOBAL_FREEMEM(self->sendBuffer);
     GLOBAL_FREEMEM(self->clientAddress);
+    GLOBAL_FREEMEM(self->localAddress);
     IsoServer isoServer = self->isoServer;
     GLOBAL_FREEMEM(self);
     if (DEBUG_ISO_SERVER)
@@ -472,6 +474,7 @@ IsoConnection_create(Socket socket, IsoServer isoServer)
     self->isoServer = isoServer;
     self->state = ISO_CON_STATE_RUNNING;
     self->clientAddress = Socket_getPeerAddress(self->socket);
+    self->localAddress = Socket_getLocalAddress(self->socket);
 
 #if (CONFIG_MMS_THREADLESS_STACK != 1)
     self->conMutex = Semaphore_create(1);
@@ -546,6 +549,12 @@ IsoConnection_getPeerAddress(IsoConnection self)
     return self->clientAddress;
 }
 
+char*
+IsoConnection_getLocalAddress(IsoConnection self)
+{
+    return self->localAddress;
+}
+
 void
 IsoConnection_sendMessage(IsoConnection self, ByteBuffer* message, bool handlerMode)
 {