How to use rQshiftStr method in redwood

Best JavaScript code snippet using redwood

b50f34067432b62ac9f323957fb8960b5b4b3d0b_0_1.js

Source:b50f34067432b62ac9f323957fb8960b5b4b3d0b_0_1.js

...9    case 'ProtocolVersion' :10        if (ws.rQlen() < 12) {11            return fail("Incomplete protocol version");12        }13        sversion = ws.rQshiftStr(12).substr(4,7);14        Util.Info("Server ProtocolVersion: " + sversion);15        is_repeater = 0;16        switch (sversion) {17            case "000.000": is_repeater = 1; break; // UltraVNC repeater18            case "003.003": rfb_version = 3.3; break;19            case "003.006": rfb_version = 3.3; break;  // UltraVNC20            case "003.889": rfb_version = 3.3; break;  // Apple Remote Desktop21            case "003.007": rfb_version = 3.7; break;22            case "003.008": rfb_version = 3.8; break;23            case "004.000": rfb_version = 3.8; break;  // Intel AMT KVM24            case "004.001": rfb_version = 3.8; break;  // RealVNC 4.625            default:26                return fail("Invalid server version " + sversion);27        }28        if (is_repeater) { 29            repeaterID = conf.repeaterID;30            while(repeaterID.length < 250)31                repeaterID += "\0";32            ws.send_string(repeaterID);33            break;34        }35        if (rfb_version > rfb_max_version) { 36            rfb_version = rfb_max_version;37        }38        if (! test_mode) {39            sendTimer = setInterval(function() {40                    // Send updates either at a rate of one update41                    // every 50ms, or whatever slower rate the network42                    // can handle.43                    ws.flush();44                }, 50);45        }46        cversion = "00" + parseInt(rfb_version,10) +47                   ".00" + ((rfb_version * 10) % 10);48        ws.send_string("RFB " + cversion + "\n");49        updateState('Security', "Sent ProtocolVersion: " + cversion);50        break;51    case 'Security' :52        if (rfb_version >= 3.7) {53            // Server sends supported list, client decides 54            num_types = ws.rQshift8();55            if (ws.rQwait("security type", num_types, 1)) { return false; }56            if (num_types === 0) {57                strlen = ws.rQshift32();58                reason = ws.rQshiftStr(strlen);59                return fail("Security failure: " + reason);60            }61            rfb_auth_scheme = 0;62            types = ws.rQshiftBytes(num_types);63            Util.Debug("Server security types: " + types);64            for (i=0; i < types.length; i+=1) {65                if ((types[i] > rfb_auth_scheme) && (types[i] < 3)) {66                    rfb_auth_scheme = types[i];67                }68            }69            if (rfb_auth_scheme === 0) {70                return fail("Unsupported security types: " + types);71            }72            73            ws.send([rfb_auth_scheme]);74        } else {75            // Server decides76            if (ws.rQwait("security scheme", 4)) { return false; }77            rfb_auth_scheme = ws.rQshift32();78            //rfb_auth_scheme = ws.rQshiftStr(12);79        }80        updateState('Authentication',81                "Authenticating using scheme: " + rfb_auth_scheme);82        init_msg();  // Recursive fallthrough (workaround JSLint complaint)83        break;84    // Triggered by fallthough, not by server message85    case 'Authentication' :86        //Util.Debug("Security auth scheme: " + rfb_auth_scheme);87        switch (rfb_auth_scheme) {88            case 0:  // connection failed89                if (ws.rQwait("auth reason", 4)) { return false; }90                strlen = ws.rQshift32();91                reason = ws.rQshiftStr(strlen);92                return fail("Auth failure: " + reason);93            case 1:  // no authentication94                if (rfb_version >= 3.8) {95                    updateState('SecurityResult');96                    return;97                }98                // Fall through to ClientInitialisation99                break;100            case 2:  // VNC authentication101                if (rfb_password.length === 0) {102                    // Notify via both callbacks since it is kind of103                    // a RFB state change and a UI interface issue.104                    updateState('password', "Password Required");105                    conf.onPasswordRequired(that);106                    return;107                }108                if (ws.rQwait("auth challenge", 16)) { return false; }109                challenge = ws.rQshiftBytes(16);110                //Util.Debug("Password: " + rfb_password);111                //Util.Debug("Challenge: " + challenge +112                //           " (" + challenge.length + ")");113                response = genDES(rfb_password, challenge);114                //Util.Debug("Response: " + response +115                //           " (" + response.length + ")");116                117                //Util.Debug("Sending DES encrypted auth response");118                ws.send(response);119                updateState('SecurityResult');120                return;121            default:122                fail("Unsupported auth scheme: " + rfb_auth_scheme);123                return;124        }125        updateState('ClientInitialisation', "No auth required");126        init_msg();  // Recursive fallthrough (workaround JSLint complaint)127        break;128    case 'SecurityResult' :129        if (ws.rQwait("VNC auth response ", 4)) { return false; }130        switch (ws.rQshift32()) {131            case 0:  // OK132                // Fall through to ClientInitialisation133                break;134            case 1:  // failed135                if (rfb_version >= 3.8) {136                    length = ws.rQshift32();137                    if (ws.rQwait("SecurityResult reason", length, 8)) {138                        return false;139                    }140                    reason = ws.rQshiftStr(length);141                    fail(reason);142                } else {143                    fail("Authentication failed");144                }145                return;146            case 2:  // too-many147                return fail("Too many auth attempts");148        }149        updateState('ClientInitialisation', "Authentication OK");150        init_msg();  // Recursive fallthrough (workaround JSLint complaint)151        break;152    // Triggered by fallthough, not by server message153    case 'ClientInitialisation' :154        ws.send([conf.shared ? 1 : 0]); // ClientInitialisation155        updateState('ServerInitialisation', "Authentication OK");156        break;157    case 'ServerInitialisation' :158        if (ws.rQwait("server initialization", 24)) { return false; }159        /* Screen size */160        fb_width  = ws.rQshift16();161        fb_height = ws.rQshift16();162        /* PIXEL_FORMAT */163        bpp            = ws.rQshift8();164        depth          = ws.rQshift8();165        big_endian     = ws.rQshift8();166        true_color     = ws.rQshift8();167        red_max        = ws.rQshift16();168        green_max      = ws.rQshift16();169        blue_max       = ws.rQshift16();170        red_shift      = ws.rQshift8();171        green_shift    = ws.rQshift8();172        blue_shift     = ws.rQshift8();173        ws.rQshiftStr(3); // padding174        Util.Info("Screen: " + fb_width + "x" + fb_height + 175                  ", bpp: " + bpp + ", depth: " + depth +176                  ", big_endian: " + big_endian +177                  ", true_color: " + true_color +178                  ", red_max: " + red_max +179                  ", green_max: " + green_max +180                  ", blue_max: " + blue_max +181                  ", red_shift: " + red_shift +182                  ", green_shift: " + green_shift +183                  ", blue_shift: " + blue_shift);184        if (big_endian !== 0) {185            Util.Warn("Server native endian is not little endian");186        }187        if (red_shift !== 16) {188            Util.Warn("Server native red-shift is not 16");189        }190        if (blue_shift !== 0) {191            Util.Warn("Server native blue-shift is not 0");192        }193        /* Connection name/title */194        name_length   = ws.rQshift32();195        fb_name = ws.rQshiftStr(name_length);196        197        if (conf.true_color && fb_name === "Intel(r) AMT KVM")198        {199            Util.Warn("Intel AMT KVM only support 8/16 bit depths. Disabling true color");200            conf.true_color = false;201        }202        display.set_true_color(conf.true_color);203        display.resize(fb_width, fb_height);204        keyboard.grab();205        mouse.grab();206        if (conf.true_color) {207            fb_Bpp           = 4;208            fb_depth         = 3;209        } else {...

websock.js

Source:websock.js

...102           (rQ[rQi++] << 16) +103           (rQ[rQi++] <<  8) +104           (rQ[rQi++]      );105}106function rQshiftStr(len) {107    if (typeof(len) === 'undefined') { len = rQlen(); }108    var arr = rQ.slice(rQi, rQi + len);109    rQi += len;110    return arr.map(function (num) {111            return String.fromCharCode(num); } ).join('');112}113function rQshiftBytes(len) {114    if (typeof(len) === 'undefined') { len = rQlen(); }115    rQi += len;116    return rQ.slice(rQi-len, rQi);117}118function rQslice(start, end) {119    if (end) {120        return rQ.slice(rQi + start, rQi + end);...

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