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1 /* |
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2 * Copyright (c) 1997-2009 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 the License "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 * Various utility functions |
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16 * INCLUDES |
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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 "utils.h" |
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22 #include <stdio.h> |
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23 // =========================================================================== |
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24 // GLOBAL UTILS FUNCTIONS |
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25 // =========================================================================== |
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26 |
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27 LPSTR MakeMBCSString(LPCWSTR uniStr, UINT codePage, DWORD& length) |
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28 // Convert a UNICODE string to a multi-byte string |
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29 { |
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30 LPSTR mbStr; |
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31 // get num unicode chars required |
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32 DWORD len = WideCharToMultiByte(codePage, 0, uniStr, length, NULL, 0, NULL, NULL); |
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33 mbStr = new CHAR[len+1]; |
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34 if (!mbStr) throw ErrNotEnoughMemory; |
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35 // convert |
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36 WideCharToMultiByte(codePage, 0, uniStr, length, mbStr, len, NULL, NULL); |
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37 mbStr[len]='\0'; |
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38 length=len; |
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39 |
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40 return mbStr; |
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41 } |
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42 |
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43 LPWSTR MakeUnicodeString(LPSTR mbcsStr, UINT codePage) |
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44 // Convert a multi-byte string to a UNICODE string |
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45 { |
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46 int retVal=0, len; |
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47 LPWSTR uniStr; |
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48 |
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49 if(mbcsStr == NULL) return NULL; |
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50 |
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51 len = MultiByteToWideChar(codePage, 0, mbcsStr, strlen(mbcsStr)+1, NULL, 0); |
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52 uniStr = new WCHAR[len+1]; |
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53 retVal = MultiByteToWideChar(codePage, 0, mbcsStr, strlen(mbcsStr)+1, uniStr, len); |
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54 |
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55 return uniStr; |
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56 } |
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57 |
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58 void PrintError(char* aMsg, TErrType aErrType, bool aVerbose, const char* aFileName, int aLineNum) |
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59 //Print error messages in the generation of a key or certificate |
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60 { |
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61 if(!aMsg) |
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62 return; |
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63 |
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64 fprintf(stderr, "\n** %s ", aMsg); |
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65 |
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66 if(aVerbose) |
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67 { |
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68 if(aErrType == EOPENSSL) |
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69 { |
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70 fprintf(stderr, " %s:%i\n", aFileName, aLineNum); |
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71 ERR_print_errors_fp(stderr); |
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72 |
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73 }else if(aErrType == EMSCrypto) |
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74 { |
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75 LPVOID lpMsgBuf = NULL; |
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76 |
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77 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
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78 | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(), 0, |
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79 (LPTSTR)&lpMsgBuf, 0, NULL); |
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80 |
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81 fprintf(stderr, "%s:%i %s\n", aFileName, aLineNum, (LPCTSTR)lpMsgBuf); |
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82 |
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83 // Free the buffer. |
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84 LocalFree( lpMsgBuf ); |
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85 |
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86 } else |
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87 { |
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88 fprintf(stderr, "%s:%i\n", aFileName, aLineNum); |
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89 } |
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90 } |
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91 } |
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92 |
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93 // =========================================================================== |
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94 // These functions format a DN string |
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95 // =========================================================================== |
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96 |
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97 // =========================================================================== |
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98 // CONSTANTS |
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99 // =========================================================================== |
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100 |
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101 _TCHAR TSN_commonName[] = _T("CN"); |
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102 _TCHAR TSN_countryName[] = _T("C"); |
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103 _TCHAR TSN_countryNameOld[] = _T("CO"); |
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104 _TCHAR TSN_localityName[] = _T("L"); |
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105 _TCHAR TSN_stateOrProvinceName[] = _T("ST"); |
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106 _TCHAR TSN_organizationName[] = _T("O"); |
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107 _TCHAR TSN_organizationNameOld[] = _T("OR"); |
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108 _TCHAR TSN_organizationalUnitName[] = _T("OU"); |
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109 _TCHAR TSN_email[] = _T("EM"); |
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110 |
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111 void DoFormatted(_TCHAR* aDN, entry_pack** aEntPack) |
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112 //Given Distinguished Name string is parsed and filled into entry pack structure |
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113 { |
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114 |
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115 _TCHAR* pToken = NULL; |
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116 _TCHAR* pLstr = NULL; |
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117 _TCHAR* pRstr = NULL; |
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118 char* pKeyWord = NULL; |
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119 |
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120 *aEntPack = (struct entry_pack*)malloc(sizeof(struct entry_pack )); |
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121 InitEntryPack(aEntPack); |
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122 |
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123 _TCHAR sep[] = _T("="); |
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124 pToken = _tcstok(aDN, sep); |
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125 |
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126 if(!(pKeyWord = IsValid(pToken))) |
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127 { |
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128 return; |
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129 } |
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130 |
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131 int i = 0; |
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132 strcpy((*aEntPack)->entries[i].key, pKeyWord); |
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133 pToken = _tcstok(NULL, sep); |
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134 |
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135 bool bMayBadParam = false; |
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136 int retVal = 0; |
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137 |
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138 while (pToken != NULL) |
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139 { |
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140 if(bMayBadParam) |
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141 { |
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142 i = 0; |
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143 break; |
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144 } |
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145 |
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146 retVal = SplitString(pToken, &pLstr, &pRstr); |
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147 |
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148 if(retVal) |
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149 { |
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150 _tcscpy((*aEntPack)->entries[i++].value, RemoveSpaces(pLstr)); |
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151 if(pRstr) |
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152 { |
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153 strcpy((*aEntPack)->entries[i].key, IsValid(pRstr)); |
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154 } |
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155 } |
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156 else |
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157 { |
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158 _tcscpy((*aEntPack)->entries[i++].value, RemoveSpaces(pLstr)); |
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159 |
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160 if(!pRstr) |
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161 { |
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162 bMayBadParam = true; |
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163 } |
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164 } |
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165 |
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166 pToken = _tcstok(NULL, sep); |
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167 } |
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168 |
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169 (*aEntPack)->num = i; |
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170 |
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171 } |
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172 |
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173 |
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174 _TCHAR* RemoveSpaces(_TCHAR* aStr) |
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175 //Removes unnecessary spaces from a given string |
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176 { |
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177 |
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178 LPCTSTR lpszTargetList = _T(" "); |
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179 LPTSTR lpsz = aStr; |
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180 LPTSTR lpszLast = NULL; |
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181 |
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182 //Trim Left |
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183 while (*lpsz != '\0') |
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184 { |
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185 if (_tcschr(lpszTargetList, *lpsz) == NULL) |
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186 break; |
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187 lpsz = _tcsinc(lpsz); |
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188 } |
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189 |
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190 if (lpsz != aStr) |
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191 { |
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192 int nDataLength = _tcslen(aStr) - (lpsz - aStr); |
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193 wmemmove(aStr, lpsz, (nDataLength+1)*sizeof(TCHAR)); |
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194 } |
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195 |
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196 lpsz = aStr; |
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197 lpszLast = NULL; |
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198 |
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199 //Trim Right |
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200 while (*lpsz != '\0') |
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201 { |
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202 if (_tcschr(lpszTargetList, *lpsz) != NULL) |
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203 { |
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204 if (lpszLast == NULL) |
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205 lpszLast = lpsz; |
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206 } |
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207 else |
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208 lpszLast = NULL; |
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209 lpsz = _tcsinc(lpsz); |
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210 } |
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211 |
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212 if (lpszLast != NULL) |
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213 { |
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214 // truncate at left-most matching character |
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215 *lpszLast = '\0'; |
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216 } |
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217 return aStr; |
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218 } |
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219 |
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220 char* IsValid(_TCHAR* aTk) |
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221 //Checks whether a found string is a valid distinguished name key |
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222 { |
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223 |
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224 if(!aTk) |
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225 return NULL; |
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226 |
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227 if(!_tcscmp(aTk, TSN_commonName)) |
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228 { |
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229 return LN_commonName; |
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230 } |
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231 else if(!_tcscmp(aTk, TSN_countryName) || !_tcscmp(aTk, TSN_countryNameOld)) |
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232 { |
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233 return LN_countryName; |
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234 } |
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235 else if(!_tcscmp(aTk, TSN_localityName)) |
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236 { |
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237 return LN_localityName; |
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238 } |
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239 else if(!_tcscmp(aTk, TSN_stateOrProvinceName)) |
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240 { |
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241 return LN_stateOrProvinceName; |
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242 } |
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243 else if(!_tcscmp(aTk, TSN_organizationName) || !_tcscmp(aTk, TSN_organizationNameOld)) |
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244 { |
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245 return LN_organizationName; |
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246 } |
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247 else if(!_tcscmp(aTk, TSN_organizationalUnitName)) |
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248 { |
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249 return LN_organizationalUnitName; |
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250 } |
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251 else if(!_tcscmp(aTk, TSN_email)) |
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252 { |
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253 return LN_pkcs9_emailAddress; |
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254 } |
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255 else |
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256 { |
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257 return NULL; |
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258 } |
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259 |
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260 } |
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261 |
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262 |
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263 int SplitString(_TCHAR* aToken, _TCHAR** aStrFirst, _TCHAR** aStrSecond) |
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264 //A given string is divided in two parts if applicable. First part is DN value |
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265 //second part is key value. |
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266 { |
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267 int i = 0; |
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268 _TCHAR *pTmp = NULL; |
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269 |
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270 pTmp = aToken; |
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271 pTmp = pTmp + (_tcslen(pTmp)-2); |
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272 |
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273 if(IsValid(pTmp) && (aToken[(pTmp - aToken)-1] == 32)) |
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274 { |
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275 *aStrFirst = aToken; |
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276 aToken[_tcslen(aToken)-3] = '\0'; |
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277 |
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278 *aStrSecond = pTmp; |
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279 } |
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280 else |
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281 { |
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282 pTmp = aToken; |
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283 pTmp = pTmp + (_tcslen(pTmp)-1); |
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284 |
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285 if(IsValid(pTmp) && (aToken[(pTmp - aToken)-1] == 32)) |
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286 { |
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287 *aStrFirst = aToken; |
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288 aToken[_tcslen(aToken)-2] = '\0'; |
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289 |
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290 *aStrSecond = pTmp; |
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291 } |
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292 else |
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293 { |
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294 *aStrFirst = aToken; |
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295 *aStrSecond = NULL; |
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296 return 0; |
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297 } |
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298 } |
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299 |
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300 return 1; |
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301 } |
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302 |
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303 void InitEntryPack(struct entry_pack** aEntPack) |
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304 //Initialize an entry pack structure pointer |
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305 { |
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306 memset(*aEntPack,0, sizeof(struct entry_pack)); |
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307 |
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308 (*aEntPack)->num = 0; |
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309 } |
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310 |
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311 |
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312 |