Mercurial > trustbridge
annotate cinst/windowsstore.c @ 1113:60669c41684b
(issue91) Use x86_64 arch as default for linux_createpackage.sh
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 16 Sep 2014 10:43:46 +0200 |
parents | 698b6a9bd75e |
children | 265583011f24 |
rev | line source |
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404 | 1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik |
2 * Software engineering by Intevation GmbH | |
3 * | |
4 * This file is Free Software under the GNU GPL (v>=2) | |
5 * and comes with ABSOLUTELY NO WARRANTY! | |
6 * See LICENSE.txt for details. | |
7 */ | |
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8 #ifdef WIN32 |
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9 |
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10 #include <stdio.h> |
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11 |
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12 #include "windowsstore.h" |
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13 #include "errorcodes.h" |
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14 #include "listutil.h" |
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15 #include "strhelp.h" |
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16 #include "logging.h" |
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17 #include "util.h" |
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18 |
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19 static PCCERT_CONTEXT |
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20 b64_to_cert_context(char *b64_data, size_t b64_size) |
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21 { |
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22 size_t buf_size = 0; |
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23 char *buf = NULL; |
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24 PCCERT_CONTEXT pCert = NULL; |
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25 int ret = -1; |
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26 |
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27 ret = str_base64_decode (&buf, &buf_size, b64_data, b64_size); |
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28 |
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29 if (ret != 0) |
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30 { |
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31 ERRORPRINTF ("decoding certificate failed\n"); |
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32 return NULL; |
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33 } |
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34 |
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35 pCert = CertCreateContext (CERT_STORE_CERTIFICATE_CONTEXT, |
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36 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, |
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37 (const PBYTE) buf, |
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38 (DWORD) buf_size, |
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39 0, |
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40 NULL); |
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41 free (buf); /* Windows has a copy */ |
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42 |
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43 if (pCert == NULL) |
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44 { |
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45 char *error = getLastErrorMsg(); |
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46 if (error) |
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47 { |
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48 ERRORPRINTF ("Failed to create cert context: %s \n", error); |
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49 free (error); |
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50 } |
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51 return NULL; |
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52 } |
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53 return pCert; |
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54 } |
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55 |
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56 void |
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57 do_remove(HCERTSTORE hStore, char **to_remove) |
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58 { |
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59 PCCERT_CONTEXT pCert = NULL; |
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60 unsigned int i = 0; |
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61 bool elevated = is_elevated(); |
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62 |
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63 if (!to_remove) |
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64 { |
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65 return; |
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66 } |
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67 |
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68 for (i=0; to_remove[i]; i++) |
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69 { |
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70 PCCERT_CONTEXT pc_to_remove = NULL; |
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71 |
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72 pc_to_remove = b64_to_cert_context(to_remove[i], |
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73 strnlen(to_remove[i], MAX_LINE_LENGTH)); |
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74 |
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75 if (pc_to_remove == NULL) |
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76 { |
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77 char *error = getLastErrorMsg(); |
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78 if (error) |
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79 { |
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80 ERRORPRINTF ("Failed to create cert context: %s \n", error); |
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81 free (error); |
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82 } |
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83 continue; |
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84 } |
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85 |
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86 pCert = CertFindCertificateInStore (hStore, |
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87 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, |
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88 0, |
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89 CERT_FIND_EXISTING, |
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90 pc_to_remove, |
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91 NULL); |
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92 |
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93 CertFreeCertificateContext (pc_to_remove); |
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94 |
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95 if (pCert == NULL) |
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96 { |
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97 ERRORPRINTF ("Did not find certificate\n"); |
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98 continue; |
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99 } |
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100 |
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101 if (!CertDeleteCertificateFromStore (pCert)) |
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102 { |
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103 /* From MSDN: |
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104 The CertDeleteCertificateFromStore function always frees |
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105 pCertContext by calling the CertFreeCertificateContext |
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106 function, even if an error is encountered. */ |
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107 char *error = getLastErrorMsg(); |
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108 ERRORPRINTF ("Error deleting certificate. %s", error); |
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109 free (error); |
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110 continue; |
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111 } |
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112 log_certificate (elevated ? "Local Machine" : "Current User", |
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113 to_remove[i], false); |
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114 } |
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115 return; |
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116 } |
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117 |
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118 void |
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119 do_install(HCERTSTORE hStore, char **to_install) |
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120 { |
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121 int i = 0, |
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122 ret = -1; |
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123 bool elevated = is_elevated(); |
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124 |
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125 if (!to_install) |
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126 { |
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127 return; |
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128 } |
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129 |
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130 for (i = 0; to_install[i]; i++) |
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131 { |
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132 PCCERT_CONTEXT pc_to_add = NULL; |
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133 PCCERT_CONTEXT found_cert = NULL; |
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134 |
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135 pc_to_add = b64_to_cert_context(to_install[i], |
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136 strnlen(to_install[i], MAX_LINE_LENGTH)); |
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137 |
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138 if (pc_to_add == NULL) |
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139 { |
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140 continue; |
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141 } |
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142 |
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143 found_cert = CertFindCertificateInStore (hStore, |
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144 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, |
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145 0, |
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146 CERT_FIND_EXISTING, |
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147 pc_to_add, |
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148 NULL); |
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149 if (found_cert != NULL) |
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150 { |
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151 DEBUGPRINTF ("Certificate already in store\n"); |
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152 CertFreeCertificateContext (found_cert); |
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153 CertFreeCertificateContext (pc_to_add); |
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154 continue; |
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155 } |
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156 |
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157 ret = CertAddCertificateContextToStore (hStore, |
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158 pc_to_add, |
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159 CERT_STORE_ADD_ALWAYS, |
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160 NULL); |
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161 CertFreeCertificateContext (pc_to_add); |
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162 if (!ret) |
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163 { |
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164 char *error = getLastErrorMsg(); |
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165 if (error) |
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166 { |
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167 ERRORPRINTF ("Failed to add certificate: %s \n", error); |
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168 free (error); |
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169 } |
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170 } |
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171 log_certificate (elevated ? "Local Machine" : "Current User", |
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172 to_install[i], true); |
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173 } |
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174 return; |
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175 } |
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176 |
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177 int |
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178 write_stores_win (char **to_install, char **to_remove) |
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179 { |
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180 HCERTSTORE hStore = NULL; |
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181 |
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182 if (!to_install && !to_remove) |
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183 { |
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184 /* Nothing to do */ |
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185 return 0; |
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186 } |
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187 |
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188 if (!is_elevated()) |
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189 { |
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190 hStore = CertOpenStore (CERT_STORE_PROV_SYSTEM, 0, |
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191 0, CERT_SYSTEM_STORE_CURRENT_USER, L"Root"); |
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192 } |
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193 else |
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194 { |
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195 hStore = CertOpenStore (CERT_STORE_PROV_SYSTEM, 0, |
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196 0, CERT_SYSTEM_STORE_LOCAL_MACHINE, L"Root"); |
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197 } |
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198 |
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199 if (!hStore) |
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200 { |
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201 ERRORPRINTF ("Failed to access store.\n"); |
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202 return ERR_STORE_ACCESS_DENIED; |
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203 } |
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204 |
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205 /* Do the actual work */ |
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206 do_install (hStore, to_install); |
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207 |
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208 do_remove (hStore, to_remove); |
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209 |
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210 if (hStore) |
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211 { |
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212 CertCloseStore (hStore, 0); |
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213 } |
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214 return 0; |
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215 } |
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216 #endif // WIN32 |