Add logging output to know when inside tightvnc-filetransfer functions.

libvncserver/tightvnc-filetransfer/handlefiletransferrequest.c

@@ -71,6 +71,8 @@ InitFileTransfer()
 	if(fileTransferInitted)
 		return;
 
+	rfbLog("tightvnc-filetransfer/InitFileTransfer\n");
+	
 	memset(ftproot, 0, sizeof(ftproot));
 	
 	userHome = GetHomeDir(uid);
@@ -98,6 +100,8 @@ SetFtpRoot(char* path)
 	struct stat stat_buf;
 	DIR* dir = NULL;
 
+	rfbLog("tightvnc-filetransfer/SetFtpRoot\n");
+	
 	if((path == NULL) || (strlen(path) == 0) || (strlen(path) > (PATH_MAX - 1))) {
 		rfbLog("File [%s]: Method [%s]: parameter passed is improper, ftproot"
 				" not changed\n", __FILE__, __FUNCTION__);

libvncserver/tightvnc-filetransfer/rfbtightserver.c

@@ -59,6 +59,7 @@ static void
 rfbVncAuthSendChallenge(rfbClientPtr cl)
 {
 	
+    rfbLog("tightvnc-filetransfer/rfbVncAuthSendChallenge\n");
     /* 4 byte header is alreay sent. Which is rfbSecTypeVncAuth (same as rfbVncAuth). Just send the challenge. */
     rfbRandomBytes(cl->authChallenge);
     if (rfbWriteExact(cl, (char *)cl->authChallenge, CHALLENGESIZE) < 0) {
@@ -84,6 +85,8 @@ rfbProcessClientAuthType(rfbClientPtr cl)
     int n, i;
     rfbTightClientPtr rtcp = rfbGetTightClientData(cl);
 
+    rfbLog("tightvnc-filetransfer/rfbProcessClientAuthType\n");
+
     if(rtcp == NULL)
 	return;
 
@@ -155,6 +158,8 @@ rfbSendAuthCaps(rfbClientPtr cl)
     int count = 0;
     rfbTightClientPtr rtcp = rfbGetTightClientData(cl);
 
+    rfbLog("tightvnc-filetransfer/rfbSendAuthCaps\n");
+
     if(rtcp == NULL)
 	return;
 
@@ -199,6 +204,8 @@ rfbSendTunnelingCaps(rfbClientPtr cl)
     rfbTunnelingCapsMsg caps;
     uint32_t nTypes = 0;		/* we don't support tunneling yet */
 
+    rfbLog("tightvnc-filetransfer/rfbSendTunnelingCaps\n");
+
     caps.nTunnelTypes = Swap32IfLE(nTypes);
     if (rfbWriteExact(cl, (char *)&caps, sz_rfbTunnelingCapsMsg) < 0) {
 	rfbLogPerror("rfbSendTunnelingCaps: write");
@@ -245,6 +252,8 @@ rfbSendInteractionCaps(rfbClientPtr cl)
     intr_caps.nEncodingTypes = Swap16IfLE(N_ENC_CAPS);
     intr_caps.pad = 0;
 
+    rfbLog("tightvnc-filetransfer/rfbSendInteractionCaps\n");
+
     /* Supported server->client message types. */
     /* For file transfer support: */
     i = 0;
@@ -337,7 +346,7 @@ handleMessage(rfbClientPtr cl,
 {
 	rfbTightClientPtr data;
 
-	rfbLog("%s message received\n", messageName);
+	rfbLog("tightvnc-filetransfer: %s message received\n", messageName);
 
 	if((IsFileTransferEnabled() == FALSE) || ( cl->viewOnly == TRUE)) {
 		rfbCloseClient(cl);
@@ -425,6 +434,8 @@ rfbTightUsage(void) {
 int
 rfbTightProcessArg(int argc, char *argv[]) {
 
+    rfbLog("tightvnc-filetransfer/rfbTightProcessArg\n");
+
     InitFileTransfer();
 
     if(argc<1)
@@ -453,6 +464,8 @@ rfbTightProcessArg(int argc, char *argv[]) {
 void
 rfbHandleSecTypeTight(rfbClientPtr cl) {
 
+    rfbLog("tightvnc-filetransfer/rfbHandleSecTypeTight\n");
+
     rfbTightClientPtr rtcp = (rfbTightClientPtr) malloc(sizeof(rfbTightClientRec));
 
     if(rtcp == NULL) {