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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "cnattraversalconfig.h" |
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20 #include "nattraversallog.h" |
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21 #include <unsafprotocolscrkeys.h> |
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22 #include <e32svr.h> |
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23 #include <in_sock.h> |
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24 |
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25 const TInt KDefaultUDPRefreshInterval = 28; |
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26 const TInt KDefaultTCPRefreshInterval = 1200; |
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27 const TInt KDefaultSTUNRetransmitTimer = 250; // milliseconds |
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28 |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CNATTraversalConfig::NewL |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CNATTraversalConfig* CNATTraversalConfig::NewL( |
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35 TUint32 aIapId, |
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36 const TDesC8& aDomain) |
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37 { |
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38 CNATTraversalConfig* self = CNATTraversalConfig::NewLC(aIapId,aDomain); |
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39 CleanupStack::Pop(self); |
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40 return self; |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CNATTraversalConfig::NewLC |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 CNATTraversalConfig* CNATTraversalConfig::NewLC( |
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48 TUint32 aIapId, |
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49 const TDesC8& aDomain) |
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50 { |
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51 CNATTraversalConfig* self = new(ELeave)CNATTraversalConfig(aIapId); |
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52 CleanupStack::PushL(self); |
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53 self->ConstructL(aDomain); |
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54 return self; |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CNATTraversalConfig::CNATTraversalConfig |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CNATTraversalConfig::CNATTraversalConfig(TUint32 aIapId) |
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62 : iIapId(aIapId), |
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63 iUDPRefreshInterval(KDefaultUDPRefreshInterval), |
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64 iTCPRefreshInterval(KDefaultTCPRefreshInterval), |
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65 iSTUNRetransmitTimer(KDefaultSTUNRetransmitTimer), |
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66 iCRLFRefreshEnabled(EUndefined), |
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67 iSharedSecretNotSupported(EFalse), |
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68 iBindingRequestFailed(EFalse) |
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69 { |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CNATTraversalConfig::ConstructL |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 void CNATTraversalConfig::ConstructL(const TDesC8& aDomain) |
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77 { |
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78 __ASSERT_ALWAYS(aDomain.Length() > 0, User::Leave(KErrArgument)); |
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79 |
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80 iCenRep = CRepository::NewL(KCRUidUNSAFProtocols); |
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81 |
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82 // Read domain settings first. |
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83 // This way IAP specific timers override the domain specific values. |
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84 ReadDomainSettingsL(*iCenRep,aDomain); |
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85 ReadIapSettingsL(*iCenRep,iIapId); |
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86 |
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87 iDomain = aDomain.AllocL(); |
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88 |
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89 NATTRAVERSAL_INTLOG("CNATTraversalConfig::IAP",iIapId) |
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90 NATTRAVERSAL_STRLOG("CNATTraversalConfig::Domain",*iDomain) |
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91 NATTRAVERSAL_STRLOG("CNATTraversalConfig::STUNServer",*iSTUNServer) |
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92 NATTRAVERSAL_STRLOG("CNATTraversalConfig::STUNUsername",*iUsername) |
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93 NATTRAVERSAL_STRLOG("CNATTraversalConfig::STUNPassword",*iPassword) |
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94 NATTRAVERSAL_INTLOG("CNATTraversalConfig::STUNServerPort",iSTUNServerPort) |
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95 NATTRAVERSAL_INTLOG("CNATTraversalConfig::UDPRefresh",iUDPRefreshInterval) |
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96 NATTRAVERSAL_INTLOG("CNATTraversalConfig::TCPRefresh",iTCPRefreshInterval) |
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97 NATTRAVERSAL_INTLOG("CNATTraversalConfig::STUNRetransmit",iSTUNRetransmitTimer) |
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98 NATTRAVERSAL_INTLOG("CNATTraversalConfig::CRLFRefresh",iCRLFRefreshEnabled) |
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99 NATTRAVERSAL_INTLOG("CNATTraversalConfig::LastBindingReqFailed",iBindingRequestFailed) |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CNATTraversalConfig::~CNATTraversalConfig |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 CNATTraversalConfig::~CNATTraversalConfig() |
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107 { |
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108 delete iSTUNServer; |
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109 delete iDomain; |
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110 delete iUsername; |
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111 delete iPassword; |
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112 if (iDomainKey) |
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113 { |
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114 // Remove settings added during runtime |
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115 if (iCenRep) |
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116 { |
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117 iCenRep->Delete( |
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118 KUNSAFProtocolsDomainSharedSecretNotSupported|iDomainKey); |
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119 iCenRep->Delete( |
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120 KUNSAFProtocolsDomainBindingRequestFailed|iDomainKey); |
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121 } |
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122 } |
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123 delete iCenRep; |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CNATTraversalConfig::IapId |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 TUint32 CNATTraversalConfig::IapId() const |
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131 { |
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132 return iIapId; |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // CNATTraversalConfig::Domain |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 const TDesC8& CNATTraversalConfig::Domain() const |
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140 { |
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141 return *iDomain; |
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142 } |
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143 |
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144 // ----------------------------------------------------------------------------- |
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145 // CNATTraversalConfig::STUNServer |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 const TDesC8& CNATTraversalConfig::STUNServer() const |
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149 { |
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150 return *iSTUNServer; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CNATTraversalConfig::STUNServerPort |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 TUint CNATTraversalConfig::STUNServerPort() const |
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158 { |
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159 return iSTUNServerPort; |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CNATTraversalConfig::UDPRefreshInterval |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 TInt CNATTraversalConfig::UDPRefreshInterval() const |
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167 { |
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168 return iUDPRefreshInterval; |
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169 } |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CNATTraversalConfig::TCPRefreshInterval |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 TInt CNATTraversalConfig::TCPRefreshInterval() const |
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176 { |
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177 return iTCPRefreshInterval; |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CNATTraversalConfig::STUNRetransmitTimer |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 TInt CNATTraversalConfig::STUNRetransmitTimer() const |
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185 { |
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186 return iSTUNRetransmitTimer; |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CNATTraversalConfig::CRLFRefreshEnabledToProxy |
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191 // If CRLF refresh is not specified in central repository, the default value is |
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192 // "enabled" for TCP and "disabled" for UDP. |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 TBool CNATTraversalConfig::CRLFRefreshEnabledToProxy(TUint aProtocol) const |
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196 { |
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197 if ( aProtocol == KProtocolInetTcp ) |
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198 { |
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199 return iCRLFRefreshEnabled != EDisabled; |
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200 } |
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201 |
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202 return iCRLFRefreshEnabled == EEnabled; |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CNATTraversalConfig::CRLFRefreshEnabledToProxyValue |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 CNATTraversalConfig::TRefreshValue |
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210 CNATTraversalConfig::CRLFRefreshEnabledToProxyValue() const |
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211 { |
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212 return iCRLFRefreshEnabled; |
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213 } |
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214 |
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215 // ----------------------------------------------------------------------------- |
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216 // CNATTraversalConfig::SharedSecretNotSupported |
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217 // ----------------------------------------------------------------------------- |
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218 // |
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219 TBool CNATTraversalConfig::SharedSecretNotSupported() const |
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220 { |
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221 return iSharedSecretNotSupported; |
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222 } |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // CNATTraversalConfig::Username |
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226 // ----------------------------------------------------------------------------- |
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227 // |
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228 const TDesC8& CNATTraversalConfig::Username() const |
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229 { |
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230 return *iUsername; |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CNATTraversalConfig::Password |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 const TDesC8& CNATTraversalConfig::Password() const |
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238 { |
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239 return *iPassword; |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CNATTraversalConfig::SetSharedSecretNotSupportedL |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CNATTraversalConfig::SetSharedSecretNotSupportedL(TBool aNotSupported) |
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247 { |
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248 WriteL(KUNSAFProtocolsDomainSharedSecretNotSupported,aNotSupported); |
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249 iSharedSecretNotSupported = aNotSupported; |
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250 } |
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251 |
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252 // ----------------------------------------------------------------------------- |
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253 // CNATTraversalConfig::BindingRequestFailed |
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254 // ----------------------------------------------------------------------------- |
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255 // |
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256 TBool CNATTraversalConfig::BindingRequestFailed() const |
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257 { |
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258 return iBindingRequestFailed; |
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259 } |
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260 |
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261 // ----------------------------------------------------------------------------- |
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262 // CNATTraversalConfig::SetBindingRequestFailedL |
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263 // ----------------------------------------------------------------------------- |
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264 // |
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265 void CNATTraversalConfig::SetBindingRequestFailedL(TBool aFailed) |
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266 { |
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267 WriteL(KUNSAFProtocolsDomainBindingRequestFailed,aFailed); |
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268 iBindingRequestFailed = aFailed; |
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269 } |
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270 |
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271 // ----------------------------------------------------------------------------- |
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272 // CNATTraversalConfig::ReadDomainSettingsL |
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273 // ----------------------------------------------------------------------------- |
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274 // |
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275 void CNATTraversalConfig::ReadDomainSettingsL( |
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276 CRepository& aRepository, |
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277 const TDesC8& aDomain) |
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278 { |
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279 RArray<TUint32> keys; |
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280 CleanupClosePushL(keys); |
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281 TInt err = aRepository.FindEqL(KUNSAFProtocolsDomainMask, |
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282 KUNSAFProtocolsFieldTypeMask, |
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283 aDomain, |
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284 keys); |
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285 if (err == KErrNone && keys.Count() == 1) |
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286 { |
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287 TUint32 key = (KUNSAFProtocolsDomainMask^(keys[0])); |
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288 key |= KUNSAFProtocolsDomainTableMask; |
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289 // Server |
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290 TBuf8<1> tmp; |
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291 TInt actualLength = 0; |
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292 TInt status = |
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293 aRepository.Get(KUNSAFProtocolsSTUNServerMask|key,tmp,actualLength); |
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294 if ((status == KErrNone || status == KErrOverflow) && |
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295 (actualLength > 0)) |
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296 { |
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297 iSTUNServer = HBufC8::NewL(actualLength); |
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298 TPtr8 ptr(iSTUNServer->Des()); |
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299 User::LeaveIfError( |
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300 aRepository.Get(KUNSAFProtocolsSTUNServerMask|key,ptr)); |
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301 } |
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302 else |
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303 { |
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304 iSTUNServer = KNullDesC8().AllocL(); |
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305 } |
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306 // Username |
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307 actualLength = 0; |
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308 status = aRepository.Get(KUNSAFProtocolsSTUNUsernameMask|key, |
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309 tmp,actualLength); |
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310 if ((status == KErrNone || status == KErrOverflow) && |
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311 (actualLength > 0)) |
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312 { |
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313 iUsername = HBufC8::NewL(actualLength); |
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314 TPtr8 ptr(iUsername->Des()); |
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315 User::LeaveIfError( |
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316 aRepository.Get(KUNSAFProtocolsSTUNUsernameMask|key,ptr)); |
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317 } |
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318 else |
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319 { |
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320 iUsername = KNullDesC8().AllocL(); |
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321 } |
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322 // Password |
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323 actualLength = 0; |
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324 status = aRepository.Get(KUNSAFProtocolsSTUNPasswordMask|key, |
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325 tmp,actualLength); |
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326 if ((status == KErrNone || status == KErrOverflow) && |
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327 (actualLength > 0)) |
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328 { |
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329 iPassword = HBufC8::NewL(actualLength); |
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330 TPtr8 ptr(iPassword->Des()); |
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331 User::LeaveIfError( |
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332 aRepository.Get(KUNSAFProtocolsSTUNPasswordMask|key,ptr)); |
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333 } |
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334 else |
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335 { |
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336 iPassword = KNullDesC8().AllocL(); |
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337 } |
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338 // Server port |
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339 TInt tmpPort = 0; |
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340 if (Read(aRepository,KUNSAFProtocolsSTUNServerPortMask|key,tmpPort)) |
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341 { |
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342 iSTUNServerPort = static_cast<TUint>(tmpPort); |
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343 } |
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344 // UDP refresh interval |
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345 Read(aRepository,KUNSAFProtocolsDomainIntervalUDPMask|key, |
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346 iUDPRefreshInterval); |
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347 // TCP refresh interval |
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348 Read(aRepository,KUNSAFProtocolsDomainIntervalTCPMask|key, |
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349 iTCPRefreshInterval); |
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350 // CRLF refresh enabled |
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351 ReadCRLFRefreshEnabled(aRepository, key); |
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352 // Shared secret support |
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353 ReadBoolValue(aRepository, |
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354 KUNSAFProtocolsDomainSharedSecretNotSupported|key, |
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355 iSharedSecretNotSupported); |
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356 // Latest binding request status |
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357 ReadBoolValue(aRepository, |
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358 KUNSAFProtocolsDomainBindingRequestFailed|key, |
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359 iBindingRequestFailed); |
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360 iDomainKey = key; |
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361 } |
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362 else |
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363 { |
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364 iSTUNServer = KNullDesC8().AllocL(); |
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365 iUsername = KNullDesC8().AllocL(); |
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366 iPassword = KNullDesC8().AllocL(); |
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367 } |
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368 CleanupStack::PopAndDestroy(&keys); |
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369 } |
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370 |
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371 // ----------------------------------------------------------------------------- |
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372 // CNATTraversalConfig::ReadIapSettingsL |
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373 // ----------------------------------------------------------------------------- |
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374 // |
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375 void CNATTraversalConfig::ReadIapSettingsL( |
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376 CRepository& aRepository, |
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377 TUint32 aIapId) |
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378 { |
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379 RArray<TUint32> keys; |
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380 CleanupClosePushL(keys); |
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381 TInt err = aRepository.FindEqL(KUNSAFProtocolsIAPIdMask, |
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382 KUNSAFProtocolsFieldTypeMask, |
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383 static_cast<TInt>(aIapId), |
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384 keys); |
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385 if (err == KErrNone && keys.Count() == 1) |
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386 { |
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387 TUint32 key = (KUNSAFProtocolsIAPIdMask^(keys[0])); |
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388 key |= KUNSAFProtocolsIAPTableMask; |
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389 // UDP refresh interval |
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390 Read(aRepository,KUNSAFProtocolsIntervalUDPMask|key, |
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391 iUDPRefreshInterval); |
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392 // TCP refresh interval |
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393 Read(aRepository,KUNSAFProtocolsIntervalTCPMask|key, |
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394 iTCPRefreshInterval); |
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395 // Retransmit interval |
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396 Read(aRepository,KUNSAFProtocolsSTUNRetransmitTimerMask|key, |
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397 iSTUNRetransmitTimer); |
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398 } |
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399 CleanupStack::PopAndDestroy(&keys); |
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400 } |
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401 |
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402 // ----------------------------------------------------------------------------- |
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403 // CNATTraversalConfig::ReadCRLFRefreshEnabled |
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404 // ----------------------------------------------------------------------------- |
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405 // |
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406 void CNATTraversalConfig::ReadCRLFRefreshEnabled(CRepository& aRepository, |
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407 const TUint32 aKey) |
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408 { |
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409 TInt value( 0 ); |
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410 if ( Read( aRepository, |
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411 KUNSAFProtocolsDomainEnableCRLFRefresh | aKey, |
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412 value ) ) |
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413 { |
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414 if ( value ) |
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415 { |
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416 iCRLFRefreshEnabled = EEnabled; |
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417 } |
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418 else |
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419 { |
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420 iCRLFRefreshEnabled = EDisabled; |
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421 } |
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422 } |
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423 } |
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424 |
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425 // ----------------------------------------------------------------------------- |
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426 // CNATTraversalConfig::ReadBoolValue |
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427 // ----------------------------------------------------------------------------- |
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428 // |
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429 void CNATTraversalConfig::ReadBoolValue( |
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430 CRepository& aRepository, |
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431 const TUint32& aKey, |
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432 TBool& aKeyValue) const |
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433 { |
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434 TInt tmp = 0; |
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435 Read(aRepository,aKey,tmp); |
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436 aKeyValue = (tmp != 0); |
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437 } |
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438 |
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439 // ----------------------------------------------------------------------------- |
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440 // CNATTraversalConfig::Read |
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441 // ----------------------------------------------------------------------------- |
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442 // |
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443 TBool CNATTraversalConfig::Read( |
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444 CRepository& aRepository, |
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445 const TUint32& aKey, |
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446 TInt& aKeyValue) const |
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447 { |
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448 TBool found = EFalse; |
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449 TInt tmp; |
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450 if (aRepository.Get(aKey,tmp) == KErrNone) |
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451 { |
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452 aKeyValue = tmp; |
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453 found = ETrue; |
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454 } |
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455 return found; |
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456 } |
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457 |
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458 // ----------------------------------------------------------------------------- |
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459 // CNATTraversalConfig::WriteL |
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460 // ----------------------------------------------------------------------------- |
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461 // |
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462 void CNATTraversalConfig::WriteL( |
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463 TUint32 aFieldMask, |
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464 TBool aValue) |
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465 { |
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466 User::LeaveIfError( |
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467 iCenRep->StartTransaction( |
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468 CRepository::EConcurrentReadWriteTransaction)); |
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469 iCenRep->CleanupCancelTransactionPushL(); |
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470 |
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471 if (!iDomainKey) |
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472 { |
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473 // No domain settings. Create a new key and value. |
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474 iDomainKey = CreateNewKeyL(*iCenRep, KUNSAFProtocolsDomainMask, |
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475 KUNSAFProtocolsDomainTableMask); |
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476 User::LeaveIfError( |
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477 iCenRep->Create(iDomainKey|KUNSAFProtocolsDomainMask,*iDomain)); |
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478 User::LeaveIfError( |
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479 iCenRep->Create(iDomainKey|aFieldMask,aValue)); |
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480 } |
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481 else |
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482 { |
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483 TUint32 key = (aFieldMask|iDomainKey); |
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484 TInt tmp = 0; |
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485 if (iCenRep->Get(key,tmp) == KErrNone) |
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486 { |
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487 // Update existing value |
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488 User::LeaveIfError(iCenRep->Set(key,aValue)); |
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489 } |
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490 else |
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491 { |
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492 // Create new value |
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493 User::LeaveIfError(iCenRep->Create(key,aValue)); |
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494 } |
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495 } |
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496 |
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497 TUint32 dummy; |
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498 User::LeaveIfError(iCenRep->CommitTransaction(dummy)); |
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499 CleanupStack::Pop(1); // transaction |
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500 } |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // CNATTraversalConfig::CreateNewKeyL |
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504 // ----------------------------------------------------------------------------- |
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505 // |
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506 TUint32 CNATTraversalConfig::CreateNewKeyL( |
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507 CRepository& aRepository, |
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508 TUint32 aKey, |
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509 TUint32 aTable) const |
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510 { |
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511 TUint32 newKey = 0; |
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512 RArray<TUint32> keys; |
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513 CleanupClosePushL( keys ); |
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514 TInt err = aRepository.FindL( aKey, |
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515 KUNSAFProtocolsFieldTypeMask, |
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516 keys ); |
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517 TInt keyCount = keys.Count(); |
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518 if ( err == KErrNotFound ) |
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519 { |
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520 newKey = 1; |
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521 } |
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522 else |
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523 { |
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524 User::LeaveIfError( err ); |
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525 if ( keyCount == 0 ) |
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526 { |
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527 newKey = 1; |
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528 } |
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529 else |
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530 { |
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531 // Find the biggest key and increment it by one |
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532 keys.SortUnsigned(); |
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533 TUint32 maxKey = aKey^keys[ keyCount - 1 ]; |
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534 newKey = maxKey + 1; |
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535 } |
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536 } |
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537 newKey |= aTable; |
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538 CleanupStack::PopAndDestroy( &keys ); |
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539 return newKey; |
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540 } |