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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : CSIPSecDigest.cpp |
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15 // Part of : SIPDigestPlugin |
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16 // Version : SIP/6.0 |
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17 // |
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18 |
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19 |
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20 |
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21 #include "sipsecurityserverheader.h" |
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22 #include "CSIPSecDigest.h" |
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23 #include "sipsecdigestcache.h" |
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24 #include "CSIPSecChallenge.h" |
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25 #include "RSIPSecChallengeResolver.h" |
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26 #include "CSIPSecCredentials.h" |
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27 #include "sipsecdigestcontext.h" |
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28 #include "sipstrings.h" |
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29 #include "sipstrconsts.h" |
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30 #include "MSIPSecUser.h" |
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31 #include <hash.h> |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CSIPSecDigest::NewL |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CSIPSecDigest* CSIPSecDigest::NewL() |
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40 { |
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41 CSIPSecDigest* self = new( ELeave )CSIPSecDigest(); |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL(); |
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44 CleanupStack::Pop( self ); |
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45 return self; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CSIPSecDigest::CSIPSecDigest |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CSIPSecDigest::CSIPSecDigest() |
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53 { |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CSIPSecDigest::ConstructL |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CSIPSecDigest::ConstructL() |
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61 { |
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62 SIPStrings::OpenL(); |
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63 iStringPoolOpened = ETrue; |
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64 |
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65 iAlgorithm = SIPStrings::StringF( SipStrConsts::EEmpty ); |
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66 |
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67 iMessageDigest = CMD5::NewL(); |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CSIPSecDigest::~CSIPSecDigest |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 CSIPSecDigest::~CSIPSecDigest() |
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75 { |
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76 delete iMessageDigest; |
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77 iAlgorithm.Close(); |
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78 |
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79 if ( iStringPoolOpened ) |
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80 { |
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81 SIPStrings::Close(); |
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82 } |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CSIPSecDigest::Name |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 const TDesC8& CSIPSecDigest::Name() const |
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90 { |
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91 return KSIPSecDigestName; |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CSIPSecDigest::InitializeL |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 void CSIPSecDigest::InitializeL( CSIPSecurityServerHeader& aSecurityServer ) |
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99 { |
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100 SetDefaultAlgorithm( aSecurityServer.ParamValue( |
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101 SIPStrings::StringF( SipStrConsts::EDigestAlgorithm ) ) ); |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CSIPSecDigest::UpdateCacheL |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 TBool CSIPSecDigest::UpdateCacheL( TSIPSecPluginCtxResponse& aContext ) |
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109 { |
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110 TBool mustWait( EFalse ); |
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111 // EFalse = all challenges in the SIP response have found credentials from |
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112 // the cache, or are already waiting credentials from application. |
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113 TBool askCredentials( EFalse ); |
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114 CSIPSecChallenge* challenge( NULL ); |
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115 CSIPSecCredentials* credentials( NULL ); |
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116 |
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117 RSIPSecChallengeResolver challenges( aContext, *this ); |
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118 CleanupClosePushL( challenges ); |
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119 challenges.OpenL( aContext.SIPSecUser() ); |
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120 |
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121 // Create one cache entry (CSIPSecCredentials) for each challenge. |
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122 while ( ( challenge = challenges.Pop() ) != NULL ) |
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123 { |
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124 CleanupStack::PushL( challenge ); |
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125 credentials = CSIPSecCredentials::NewL( challenge, *this, aContext ); |
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126 CleanupStack::Pop( challenge ); |
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127 aContext.Cache().AddEntry( credentials ); |
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128 |
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129 TSIPSecDigestCtxSetup ctx( *credentials, |
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130 aContext.TransactionId(), |
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131 &aContext ); |
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132 TBool ask( EFalse ); |
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133 // AKA challenges set "ask" to EFalse, as they use SIM card |
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134 mustWait = credentials->DigestUpdateL( ctx, ask ) || mustWait; |
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135 askCredentials = askCredentials || ask; |
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136 } |
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137 |
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138 MSIPSecUser& sipSecUser = aContext.SIPSecUser(); |
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139 MSIPSecUser* trustedUser = const_cast< MSIPSecUser* > |
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140 ( sipSecUser.TrustedUser( aContext.RegistrationId() ) ); |
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141 MSIPSecUser* user = trustedUser ? trustedUser : &sipSecUser; |
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142 if ( mustWait && !user->PassOnlyRealmsToUser() && askCredentials ) |
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143 { |
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144 user->RequestCredentialsL( aContext.SIPResponse(), |
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145 aContext.TransactionId(), |
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146 KEmptyRefreshId ); |
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147 } |
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148 |
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149 CleanupStack::PopAndDestroy(); // challenges |
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150 return mustWait; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CSIPSecDigest::CSIPSecDigest |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 CMD5& CSIPSecDigest::MessageDigest() |
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158 { |
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159 return *iMessageDigest; |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CSIPSecDigest::Algorithm |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 RStringF CSIPSecDigest::Algorithm() const |
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167 { |
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168 return iAlgorithm; |
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169 } |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CSIPSecDigest::SetDefaultAlgorithm |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 void CSIPSecDigest::SetDefaultAlgorithm( RStringF aAlgorithm ) |
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176 { |
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177 iAlgorithm.Close(); |
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178 iAlgorithm = aAlgorithm.Copy(); |
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179 } |