websockets: Add wspath member to rfbClientRec

Added wspath member to rfbClientRec which holds the
path component of the initial websocket request.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

libvncserver/sockets.c

@@ -399,6 +399,7 @@ rfbCloseClient(rfbClientPtr cl)
 #ifdef LIBVNCSERVER_WITH_WEBSOCKETS
 	if (cl->sslctx)
 	    rfbssl_destroy(cl);
+	free(cl->wspath);
 #endif
 #ifndef __MINGW32__
 	shutdown(cl->sock,SHUT_RDWR);

libvncserver/websockets.c

@@ -180,6 +180,7 @@ webSocketsHandshake(rfbClientPtr cl, char *scheme)
                 path = line+4;
                 buf[len-11] = '\0'; /* Trim trailing " HTTP/1.1\r\n" */
                 cl->webSocketsBase64 = TRUE;
+                cl->wspath = strdup(path);
                 /* rfbLog("Got path: %s\n", path); */
             } else if ((strncasecmp("host: ", line, min(llen,6))) == 0) {
                 host = line+6;

rfb/rfb.h

@@ -645,6 +645,7 @@ typedef struct _rfbClientRec {
 
     rfbSslCtx *sslctx;
 
+    char *wspath;                          /* Requests path component */
     char encodeBuf[UPDATE_BUF_SIZE*2 + 2]; /* UTF-8 could double it + framing */
     char decodeBuf[8192];                  /* TODO: what makes sense? */
     int dblen;