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annotate cinst/windowsstore.c @ 219:57bef180d560

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Add debug output and make windowsstore linkable from C++ code
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 26 Mar 2014 20:16:50 +0100
parents 8fb12af98960
children 53ea9b975d1c
rev   line source
137
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1 #ifdef WIN32
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2
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3 #include <stdio.h>
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4
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5 #include "windowsstore.h"
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6 #include "errorcodes.h"
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7 #include "listutil.h"
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8 #include "strhelp.h"
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9
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10 static LPWSTR getLastErrorMsg()
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11 {
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12 LPWSTR bufPtr = NULL;
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13 DWORD err = GetLastError();
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14 FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER |
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15 FORMAT_MESSAGE_FROM_SYSTEM |
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16 FORMAT_MESSAGE_IGNORE_INSERTS,
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17 NULL, err, 0, (LPWSTR) &bufPtr, 0, NULL);
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18 if (!bufPtr)
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19 {
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20 HMODULE hWinhttp = GetModuleHandleW (L"crypt32");
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21 if (hWinhttp)
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22 {
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23 FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER |
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24 FORMAT_MESSAGE_FROM_HMODULE |
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25 FORMAT_MESSAGE_IGNORE_INSERTS,
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26 hWinhttp, HRESULT_CODE (err), 0,
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27 (LPWSTR) &bufPtr, 0, NULL);
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28 }
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29 }
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30 if (!bufPtr)
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31 printf ("Error getting last error for code: %lx \n", err);
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32 return bufPtr;
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33 }
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34
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35 void
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36 do_remove(HCERTSTORE hStore, char **to_remove)
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37 {
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38 PCCERT_CONTEXT pCert = NULL;
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39 unsigned int i = 0;
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40
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41 if (!to_remove)
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42 {
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43 return;
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44 }
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45
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46 for (i=0; to_remove[i]; i++)
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47 {
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48 char *asn1_data = NULL;
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49 size_t asn1_size = 0;
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50 int ret = -1;
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51 DWORD j;
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52 PCCERT_CONTEXT pc_to_remove = NULL;
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53
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54 ret = str_base64_decode (&asn1_data, &asn1_size, to_remove[i],
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55 strnlen(to_remove[i], MAX_LINE_LENGTH));
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56 /* Decoding / parsing errors in here should not happen at all.
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57 The only errors which are not a bug would be out of memory or
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58 if the signed certificate list contained an invalid certificate. */
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59 if (ret != 0)
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60 {
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61 printf ("Error base64 certificate.\n");
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62 continue;
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63 }
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64
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65 printf ("Deleting cert %s\n", to_remove[i]);
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66 pc_to_remove = CertCreateContext (CERT_STORE_CERTIFICATE_CONTEXT,
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67 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
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68 (const PBYTE) asn1_data,
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69 (DWORD) asn1_size,
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70 0,
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71 NULL);
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72 free (asn1_data); /* Windows has a copy */
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73 if (pc_to_remove == NULL)
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74 {
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75 LPWSTR error = getLastErrorMsg();
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76 if (error)
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77 {
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78 printf ("Failed to add certificate: %S \n", error);
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79 LocalFree (error);
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80 }
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81 continue;
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82 }
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83
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84 pCert = CertFindCertificateInStore (hStore,
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85 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
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86 0,
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87 CERT_FIND_EXISTING,
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88 pc_to_remove,
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89 NULL);
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90
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91
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92 {
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93 char pszNameString[256];
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94 if(CertGetNameString(
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95 pc_to_remove,
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96 CERT_NAME_SIMPLE_DISPLAY_TYPE,
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97 0,
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98 NULL,
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99 pszNameString,
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100 128))
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101 {
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102 printf("wanted: %s \n",pszNameString);
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103 }
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104 if(CertGetNameString(
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105 pCert,
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106 CERT_NAME_SIMPLE_DISPLAY_TYPE,
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107 0,
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108 NULL,
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109 pszNameString,
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110 128))
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111 {
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112 printf("got: %s \n",pszNameString);
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113 }
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114 }
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115
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116 CertFreeCertificateContext (pc_to_remove);
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117
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118 if (pCert == NULL)
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119 {
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120 printf ("Did not find certificate\n");
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121 continue;
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122 }
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123 for (j = 0; j < pCert->cbCertEncoded; j++) {
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124 if (asn1_data[j] != pCert->pbCertEncoded[j]) {
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125 printf("%1x", (unsigned)(unsigned char)pCert->pbCertEncoded[j]);
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126 }
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127 }
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128 printf("\nWanted: \n");
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129 for (j = 0; j < pCert->cbCertEncoded; j++) {
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130 if (asn1_data[j] != pCert->pbCertEncoded[j]) {
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131 printf("%1x", (unsigned)(unsigned char)asn1_data[j]);
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132 }
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133 }
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134 printf("\n");
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135
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136 if (!CertDeleteCertificateFromStore (pCert))
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137 {
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138 /* From MSDN:
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139 The CertDeleteCertificateFromStore function always frees
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140 pCertContext by calling the CertFreeCertificateContext
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141 function, even if an error is encountered. */
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142 LPWSTR error = getLastErrorMsg();
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143 printf ("Error deleting certificate. %S", error);
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144 LocalFree (error);
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145 continue;
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146 }
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147 }
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148 return;
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149 }
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150
219
57bef180d560 Add debug output and make windowsstore linkable from C++ code
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151 void
215
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152 do_install(HCERTSTORE hStore, char **to_install)
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153 {
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154 int i = 0,
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155 ret = -1;
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156
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157 if (!to_install)
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158 {
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159 return;
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160 }
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161
217
83a015f2e078 Remove leftover incrementation of i from former loop style. Fixes a crash when adding only one
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162 for (i = 0; to_install[i]; i++)
215
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163 {
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164 size_t cert_len = strnlen (to_install[i], MAX_LINE_LENGTH),
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165 buf_size = 0;
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166 char *buf = NULL;
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167
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168 ret = str_base64_decode (&buf, &buf_size, to_install[i], cert_len);
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169
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170 if (ret != 0)
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171 {
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172 printf ("decoding certificate failed\n");
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173 return;
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174 }
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175
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176 printf ("Adding cert %s\n", to_install[i]);
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177
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178 ret = CertAddEncodedCertificateToStore (hStore,
218
8fb12af98960 According to MSDN you Must also provide message encoding flag.
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179 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
215
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180 (PBYTE) buf,
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181 buf_size,
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182 CERT_STORE_ADD_ALWAYS,
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183 NULL);
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184
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185 if (!ret)
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186 {
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187 LPWSTR error = getLastErrorMsg();
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188 if (error)
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189 {
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190 printf ("Failed to add certificate: %S \n", error);
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191 LocalFree (error);
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192 }
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193 }
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194 free (buf);
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195 }
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196 return;
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197 }
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198
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199 int
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200 write_stores_win (char **to_install, char **to_remove, bool user_store)
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201 {
163
8cfcd38a9bb3 Change coding style for cinst main / windowsstore to GNU
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202 HCERTSTORE hStore = NULL;
137
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203
215
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204 if (!to_install && !to_remove)
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205 {
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206 /* Nothing to do */
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207 return 0;
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208 }
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diff changeset
209
163
8cfcd38a9bb3 Change coding style for cinst main / windowsstore to GNU
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210 if (user_store)
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211 {
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212 hStore = CertOpenStore (CERT_STORE_PROV_SYSTEM, 0,
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213 0, CERT_SYSTEM_STORE_CURRENT_USER, L"Root");
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214 }
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diff changeset
215 else
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diff changeset
216 {
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diff changeset
217 hStore = CertOpenStore (CERT_STORE_PROV_SYSTEM, 0,
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diff changeset
218 0, CERT_SYSTEM_STORE_LOCAL_MACHINE, L"Root");
137
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parents:
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219 }
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parents:
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220
163
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diff changeset
221 if (!hStore)
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diff changeset
222 {
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223 return ERR_STORE_ACCESS_DENIED;
137
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parents:
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224 }
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parents:
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225
215
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diff changeset
226 /* Do the actual work */
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227 do_install (hStore, to_install);
137
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parents:
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228
215
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diff changeset
229 do_remove (hStore, to_remove);
161
a4b1c77f3e6a Change install_certificates_win to generic write_stores_win
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parents: 149
diff changeset
230
163
8cfcd38a9bb3 Change coding style for cinst main / windowsstore to GNU
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parents: 161
diff changeset
231 if (hStore)
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parents: 161
diff changeset
232 {
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parents: 161
diff changeset
233 CertCloseStore (hStore, 0);
137
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parents:
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234 }
163
8cfcd38a9bb3 Change coding style for cinst main / windowsstore to GNU
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diff changeset
235 return 0;
137
4904fe01055d Factor out windows specific parts
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parents:
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236 }
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parents:
diff changeset
237 #endif // WIN32
http://wald.intevation.org/projects/trustbridge/