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1 // Copyright (c) 2000-2009 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 // |
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15 |
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16 #include <bluetooth/logger.h> |
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17 #include <bt_sock.h> |
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18 #include "debug.h" |
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19 #include <btsdp.h> |
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20 #include "sdpnetdb.h" |
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21 #include "sdp.h" |
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22 #include "sdppdu.h" |
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23 #include "sdpkey.h" |
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24 #include "sdpstackutil.h" |
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25 #include "sdpclient.h" |
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26 |
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27 #include "BTSec.h" |
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28 |
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29 #ifdef __FLOG_ACTIVE |
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30 _LIT8(KLogComponent, LOG_COMPONENT_SDP); |
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31 #endif |
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32 |
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33 //Diagnostic string for security check failures, in builds without platsec |
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34 //diagnostics this will be NULL. |
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35 const char* const KBT_SDPNETDB_NAME_DIAG = __PLATSEC_DIAGNOSTIC_STRING("Bluetooth SDP Net Database"); |
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36 |
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37 |
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38 CSdpNetDbProvider::CSdpNetDbProvider(CSdpProtocol& aProtocol) |
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39 : iProtocol(aProtocol) |
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40 { |
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41 LOG_FUNC |
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42 } |
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43 |
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44 void CSdpNetDbProvider::ConstructL() |
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45 { |
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46 LOG_FUNC |
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47 } |
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48 |
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49 CSdpNetDbProvider* CSdpNetDbProvider::NewL(CSdpProtocol& aProtocol) |
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50 { |
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51 LOG_STATIC_FUNC |
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52 CSdpNetDbProvider* self = new(ELeave) CSdpNetDbProvider(aProtocol); |
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53 CleanupStack::PushL(self); |
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54 self->ConstructL(); |
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55 CleanupStack::Pop(); |
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56 return self; |
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57 } |
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58 |
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59 CSdpNetDbProvider::~CSdpNetDbProvider() |
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60 { |
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61 LOG_FUNC |
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62 if (iClient) |
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63 iClient->RemoveNetDbProvider(*this); |
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64 delete iResultBuf; |
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65 } |
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66 |
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67 void CSdpNetDbProvider::Query(TDes8& aBuffer) |
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68 { |
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69 LOG_FUNC |
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70 __ASSERT_DEBUG(!iQueryBuffer, Panic(ESdpTwoQuerys)); |
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71 iQueryBuffer = &aBuffer; |
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72 if (iQueryBuffer->Length() < TInt(sizeof(TUint))) |
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73 {// Not big enough to hold the query type!! |
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74 Error(KErrSdpBadRequestBufferLength); |
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75 return; |
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76 } |
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77 TUint type = *reinterpret_cast<const TUint*>(aBuffer.Ptr()); |
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78 |
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79 switch(type & 0x7f) |
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80 { |
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81 case KSDPConnectQuery: |
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82 ConnectQuery(); |
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83 break; |
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84 case KSDPServiceQuery: |
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85 ServiceQuery(); |
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86 break; |
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87 case KSDPAttributeQuery: |
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88 AttributeQuery(); |
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89 break; |
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90 case KSDPCancelQuery: |
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91 CancelCurrentOperation(); |
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92 break; |
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93 case KSDPEncodedQuery: |
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94 EncodedQuery(); |
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95 break; |
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96 case KSDPRetrieveResultQuery: |
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97 RetrieveResult(); |
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98 break; |
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99 default: |
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100 Error(KErrNotSupported); |
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101 return; |
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102 }; |
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103 } |
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104 |
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105 void CSdpNetDbProvider::Add(TDes8& /*aBuffer*/) |
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106 { |
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107 LOG_FUNC |
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108 __ASSERT_DEBUG(!iQueryBuffer, Panic(ESdpTwoQuerys)); |
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109 iNotify->QueryComplete(KErrNotSupported); |
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110 } |
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111 |
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112 void CSdpNetDbProvider::Remove(TDes8& /*aBuffer*/) |
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113 { |
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114 LOG_FUNC |
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115 __ASSERT_DEBUG(!iQueryBuffer, Panic(ESdpTwoQuerys)); |
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116 iNotify->QueryComplete(KErrNotSupported); |
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117 } |
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118 |
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119 void CSdpNetDbProvider::CancelCurrentOperation() |
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120 { |
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121 LOG_FUNC |
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122 iQueryBuffer = 0; |
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123 } |
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124 |
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125 void CSdpNetDbProvider::QueryComplete(const TDesC8& aData) |
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126 { |
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127 LOG_FUNC |
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128 if (!iQueryBuffer) |
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129 return; |
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130 |
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131 TInt ret = KErrNone; |
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132 TUint type = *reinterpret_cast<const TUint*>(iQueryBuffer->Ptr()); |
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133 if (type & 0x80) |
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134 {// Buffer result and Just send size back |
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135 delete iResultBuf; |
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136 iResultBuf = 0; |
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137 TRAP(ret, iResultBuf = aData.AllocL()); |
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138 if (ret == KErrNone) |
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139 { |
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140 iQueryBuffer->Copy(TPckgC<TInt>(aData.Length())); |
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141 } |
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142 } |
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143 else |
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144 {// Copy the whole result back |
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145 ret = ReturnResult(aData); |
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146 } |
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147 iNotify->QueryComplete(ret); |
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148 iQueryBuffer = 0; |
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149 } |
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150 |
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151 TInt CSdpNetDbProvider::ReturnResult(const TDesC8& aData) |
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152 { |
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153 LOG_FUNC |
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154 if(!iQueryBuffer) |
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155 { |
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156 return KErrGeneral; |
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157 } |
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158 |
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159 if (iQueryBuffer->MaxLength() < aData.Length()) |
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160 { |
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161 return KErrArgument; |
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162 } |
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163 iQueryBuffer->Copy(aData); |
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164 return KErrNone; |
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165 } |
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166 |
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167 void CSdpNetDbProvider::ClientUp() |
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168 { |
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169 LOG_FUNC |
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170 if(!iQueryBuffer) |
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171 return; |
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172 |
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173 iQueryBuffer->Zero(); |
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174 QueryComplete(KNullDesC8); |
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175 } |
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176 |
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177 void CSdpNetDbProvider::ClientDown() |
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178 { |
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179 LOG_FUNC |
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180 if (iClient) |
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181 iClient->RemoveNetDbProvider(*this); |
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182 iClient = 0; |
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183 Error(KErrDisconnected); |
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184 } |
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185 |
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186 void CSdpNetDbProvider::Error(TInt aErrorCode) |
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187 { |
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188 LOG_FUNC |
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189 LOG1(_L("SDP: Error encountered in SDP NetDb: %d\n"), aErrorCode); |
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190 if(!iQueryBuffer) |
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191 return; |
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192 |
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193 iNotify->QueryComplete(aErrorCode); |
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194 iQueryBuffer = 0; |
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195 } |
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196 |
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197 TInt CSdpNetDbProvider::SecurityCheck(MProvdSecurityChecker *aSecurityChecker) |
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198 { |
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199 LOG_FUNC |
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200 __ASSERT_ALWAYS(aSecurityChecker, User::Panic(KSECURITY_PANIC, EBTPanicNullSecurityChecker)); |
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201 |
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202 iSecurityChecker = aSecurityChecker; |
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203 return iSecurityChecker->CheckPolicy(KLOCAL_SERVICES, KBT_SDPNETDB_NAME_DIAG); |
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204 } |
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205 |
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206 void CSdpNetDbProvider::ConnectQuery() |
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207 { |
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208 LOG_FUNC |
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209 if(iClient) |
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210 { |
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211 LOG(_L("SDP: ConnectQuery request from net db whilst already connected: REJECTED!\n")); |
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212 Error(KErrInUse); |
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213 return; |
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214 } |
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215 if (iQueryBuffer->Length() != sizeof(TSDPConnectQuery)) |
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216 { |
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217 LOG(_L("SDP: ConnectQuery request from net db with bad query length: REJECTED!\n")); |
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218 Error(KErrSdpBadRequestBufferLength); |
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219 return; |
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220 } |
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221 LOG(_L("SDP: ConnectQuery request from net db\n")); |
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222 TSDPConnectQuery& queryKey = *(TSDPConnectQuery*)iQueryBuffer->Ptr(); |
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223 iRemoteDev = queryKey.iAddr; |
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224 iProtocol.GetClient(*this); |
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225 } |
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226 |
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227 void CSdpNetDbProvider::ServiceQuery() |
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228 { |
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229 LOG_FUNC |
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230 if (!iClient) |
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231 { |
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232 Error(KErrSdpClientNotConnected); |
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233 return; |
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234 } |
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235 if (iQueryBuffer->Length() != sizeof(TSDPServiceSearchKey)) |
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236 { |
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237 Error(KErrSdpBadRequestBufferLength); |
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238 return; |
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239 } |
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240 TSDPServiceSearchKey& queryKey = *(TSDPServiceSearchKey*)iQueryBuffer->Ptr(); |
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241 // Ought to do this check, but can't because of esock defect EDNJDIN-4HPKJZ. |
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242 // if (iQueryBuffer->MaxLength() < (TInt)(queryKey.iMaxCount*sizeof(TUint)) + 21) |
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243 // { |
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244 // Error(KErrSdpBadResultBufferLength); |
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245 // return; |
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246 // } |
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247 |
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248 if (queryKey.iStateLength > KSdpContinuationStateMaxLength) |
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249 { |
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250 Error(KErrSdpBadContinuationState); |
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251 return; |
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252 } |
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253 |
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254 TPtrC8 contState(queryKey.iContinuationState, queryKey.iStateLength); |
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255 |
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256 iClient->ServiceSearchRequest(*this, |
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257 queryKey.iMaxCount, |
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258 queryKey.iUUID, |
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259 contState); |
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260 } |
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261 |
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262 void CSdpNetDbProvider::AttributeQuery() |
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263 { |
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264 LOG_FUNC |
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265 if (!iClient) |
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266 { |
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267 Error(KErrSdpClientNotConnected); |
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268 return; |
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269 } |
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270 if (iQueryBuffer->Length() != sizeof(TSDPAttributeKey)) |
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271 { |
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272 Error(KErrSdpBadRequestBufferLength); |
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273 return; |
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274 } |
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275 TSDPAttributeKey& queryKey = *(TSDPAttributeKey*)iQueryBuffer->Ptr(); |
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276 |
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277 // Ought to do this check, but can't because of esock defect EDNJDIN-4HPKJZ. |
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278 // if (iQueryBuffer->MaxLength() < queryKey.iMaxLength + 19) |
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279 // { |
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280 // Error(KErrSdpBadResultBufferLength); |
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281 // return; |
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282 // } |
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283 |
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284 if (queryKey.iStateLength > KSdpContinuationStateMaxLength) |
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285 { |
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286 Error(KErrSdpBadContinuationState); |
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287 return; |
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288 } |
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289 |
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290 TPtrC8 contState(queryKey.iContinuationState, queryKey.iStateLength); |
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291 iClient->ServiceAttributeRequest(*this, |
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292 queryKey.iServiceRecordHandle, |
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293 queryKey.iMaxLength, |
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294 queryKey.iRange, |
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295 queryKey.iAttribute, |
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296 contState); |
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297 } |
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298 |
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299 void CSdpNetDbProvider::EncodedQuery() |
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300 { |
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301 LOG_FUNC |
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302 if (!iClient) |
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303 { |
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304 Error(KErrSdpClientNotConnected); |
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305 return; |
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306 } |
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307 if (iQueryBuffer->Length() <= STATIC_CAST(TInt,sizeof(TSDPEncodedKey/*Buf??*/))) |
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308 { |
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309 Error(KErrSdpBadRequestBufferLength); |
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310 return; |
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311 } |
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312 TSDPEncodedKey& queryKey = *(TSDPEncodedKey*)iQueryBuffer->Ptr(); |
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313 const TUint8* pData = iQueryBuffer->Ptr(); |
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314 pData += sizeof(TSDPEncodedKey/*Buf??*/); |
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315 TPtrC8 dataDesc(pData, iQueryBuffer->Length()-sizeof(TSDPEncodedKey)); |
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316 //TPtrC8 dataDesc(iQueryBuffer->Mid(sizeof(TSDPEncodedKey))); |
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317 |
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318 iClient->EncodedRequest(*this, |
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319 queryKey.iPduId, |
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320 dataDesc); |
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321 } |
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322 |
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323 |
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324 #if 0 |
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325 void CSdpNetDbProvider::EncodedQuery() |
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326 { |
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327 LOG_FUNC |
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328 if (!iClient) |
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329 { |
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330 Error(KErrSdpClientNotConnected); |
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331 return; |
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332 } |
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333 if (iQueryBuffer->Length() < sizeof(TSDPEncodedKey/*Buf??*/)) |
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334 { |
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335 Error(KErrSdpBadRequestBufferLength); |
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336 return; |
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337 } |
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338 |
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339 |
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340 TSDPEncodedKey& queryKey = *(TSDPEncodedKey*)iQueryBuffer->Ptr(); |
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341 TPtrC8 dataDesc(iQueryBuffer->Mid(sizeof(TSDPEncodedKey))); |
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342 |
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343 iClient->EncodedRequest(*this, |
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344 queryKey.iPduId, |
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345 dataDesc); |
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346 } |
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347 #endif |
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348 |
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349 |
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350 |
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351 void CSdpNetDbProvider::RetrieveResult() |
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352 { |
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353 LOG_FUNC |
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354 TInt ret; |
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355 if (!iResultBuf) |
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356 {// No result to send |
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357 ret = KErrArgument; |
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358 } |
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359 else |
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360 {// Copy over the result |
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361 ret = ReturnResult(*iResultBuf); |
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362 delete iResultBuf; |
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363 iResultBuf = 0; |
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364 } |
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365 iNotify->QueryComplete(ret); |
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366 iQueryBuffer = 0; |
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367 } |
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368 |