void print(struct v4l2_pix_format pix) {
fprintf(stderr, "width: %d\n", pix.width);
fprintf(stderr, "height: %d\n", pix.height);
printPixelFormat(pix.pixelformat);
print(pix.field);
fprintf(stderr, "bytesperline: %d\n", pix.bytesperline);
fprintf(stderr, "sizeimage: %d\n", pix.sizeimage);
print(pix.colorspace);
fprintf(stderr, "priv: %d\n", pix.priv);
}
bool VNCRFBproto::initialiseRFBConnection()
{
rfbProtocolVersionMsg pv;
rfbClientInitMsg ci;
int major, minor;
char *reason, *passwd = NULL;
CARD32 authScheme, reasonLen, authResult;
CARD8 challenge[CHALLENGESIZE];
// was trace
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): initializing RFB connection\n");
if (!VNC_sock.ReadFromRFBServer(pv, sz_rfbProtocolVersionMsg))
return false;
pv[sz_rfbProtocolVersionMsg] = 0;
if (sscanf(pv, rfbProtocolVersionFormat, &major, &minor) != 2)
{
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: not a valid VNC server\n");
return false;
}
// was trace
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): VNC server supports protocol version %d.%d (viewer %d.%d)\n",
major, minor, rfbProtocolMajorVersion, rfbProtocolMinorVersion);
major = rfbProtocolMajorVersion;
minor = rfbProtocolMinorVersion;
sprintf(pv, rfbProtocolVersionFormat, major, minor);
if (!VNC_sock.WriteExact(pv, sz_rfbProtocolVersionMsg))
return false;
if (!VNC_sock.ReadFromRFBServer((char *)&authScheme, 4))
return false;
authScheme = (CARD32)swap32IfLE(authScheme);
switch (authScheme)
{
case rfbConnFailed:
if (!VNC_sock.ReadFromRFBServer((char *)&reasonLen, 4))
return false;
reasonLen = swap32IfLE(reasonLen);
reason = new char[reasonLen];
if (!VNC_sock.ReadFromRFBServer(reason, reasonLen))
return false;
// error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: VNC connection failed: %.*s\n", (int)reasonLen, reason);
delete[] reason;
return false;
case rfbNoAuth:
// was trace
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): No authentication needed\n");
break;
case rfbVncAuth:
if (!VNC_sock.ReadFromRFBServer((char *)challenge, CHALLENGESIZE))
return false;
#if 0
if (passwordFile) {//look for a password stored in passwordFile
passwd = vncDecryptPasswdFromFile(passwordFile);
if (!passwd) {
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: Cannot read valid password from file \"%s\"\n", passwordFile);
return false;
}
}
if (! passwd || (! strlen(passwd))) {
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: initialiseRFBConnection: reading password failed\n");
return false;
}
if (strlen(passwd) > 8)
passwd[8] = '\0';
#endif
//vncEncryptBytes(challenge, passwd);
if (strlen(passwordFile) > 8)
passwordFile[8] = '\0';
vncEncryptBytes(challenge, passwordFile);
/* Lose the password from memory */
//for (int i = strlen(passwd); i >= 0; i--)
// passwd[i] = '\0';
passwd = passwd;
if (!VNC_sock.WriteExact((char *)challenge, CHALLENGESIZE))
return false;
if (!VNC_sock.ReadFromRFBServer((char *)&authResult, 4))
return false;
authResult = swap32IfLE(authResult);
switch (authResult)
{
case rfbVncAuthOK:
// was trace
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): VNC authentication succeeded\n");
break;
case rfbVncAuthFailed:
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: VNC authentication failed\n");
return false;
case rfbVncAuthTooMany:
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: VNC authentication failed - too many tries\n");
return false;
default:
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: Unknown VNC authentication result: %d\n", (int)authResult);
return false;
}
break;
default:
// was error
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection() err: Unknown authentication scheme from VNC server: %d\n", (int)authScheme);
return false;
}
ci.shared = (ShareDesktop ? 1 : 0);
if (!VNC_sock.WriteExact((char *)&ci, sz_rfbClientInitMsg))
return false;
if (!VNC_sock.ReadFromRFBServer((char *)&si, sz_rfbServerInitMsg))
return false;
si.framebufferWidth = swap16IfLE(si.framebufferWidth);
si.framebufferHeight = swap16IfLE(si.framebufferHeight);
si.format.redMax = swap16IfLE(si.format.redMax);
si.format.greenMax = swap16IfLE(si.format.greenMax);
si.format.blueMax = swap16IfLE(si.format.blueMax);
si.nameLength = swap32IfLE(si.nameLength);
desktopName = new char[si.nameLength + 1];
if (!VNC_sock.ReadFromRFBServer(desktopName, si.nameLength))
{
delete[] desktopName;
desktopName = NULL;
return false;
}
desktopName[si.nameLength] = 0;
// was notice
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): Using desktop: %s\n", desktopName);
delete[] desktopName;
desktopName = NULL;
// was 2x trace
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): connected to VNC server, using protocol version %d.%d\n",
rfbProtocolMajorVersion, rfbProtocolMinorVersion);
fprintf(stderr, "VNCRFBproto::initialiseRFBConnection(): VNC server default format:\n");
printPixelFormat(&si.format);
return true;
}