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1 /** |
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2 * XML Security Library (http://www.aleksey.com/xmlsec). |
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3 * |
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4 * General functions. |
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5 * |
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6 * This is free software; see Copyright file in the source |
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7 * distribution for preciese wording. |
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8 * |
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9 * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com> |
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10 * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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11 */ |
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12 #include "xmlsec_globals.h" |
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13 |
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14 #include <stdlib.h> |
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15 #include <stdio.h> |
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16 |
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17 #include <libxml2_tree.h> |
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18 |
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19 #include "xmlsec_xmlsec.h" |
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20 #include "xmlsec_xmltree.h" |
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21 #include "xmlsec_keys.h" |
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22 #include "xmlsec_transforms.h" |
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23 #include "xmlsec_app.h" |
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24 #include "xmlsec_io.h" |
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25 #include "xmlsec_xkms.h" |
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26 #include "xmlsec_errors.h" |
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27 |
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28 /** |
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29 * xmlSecInit: |
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30 * |
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31 * Initializes XML Security Library. The depended libraries |
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32 * (LibXML and LibXSLT) must be initialized before. |
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33 * |
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34 * Returns 0 on success or a negative value otherwise. |
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35 */ |
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36 EXPORT_C |
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37 int |
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38 xmlSecInit(void) { |
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39 |
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40 xmlSecErrorsInit(); |
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41 xmlSecIOInit(); |
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42 |
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43 #ifndef XMLSEC_NO_CRYPTO_DYNAMIC_LOADING |
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44 if(xmlSecCryptoDLInit() < 0) { |
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45 xmlSecError(XMLSEC_ERRORS_HERE, |
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46 NULL, |
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47 "xmlSecCryptoDLInit", |
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48 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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49 XMLSEC_ERRORS_NO_MESSAGE); |
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50 return(-1); |
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51 } |
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52 #endif /* XMLSEC_NO_CRYPTO_DYNAMIC_LOADING */ |
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53 |
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54 if(xmlSecKeyDataIdsInit() < 0) { |
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55 xmlSecError(XMLSEC_ERRORS_HERE, |
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56 NULL, |
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57 "xmlSecKeyDataIdsInit", |
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58 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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59 XMLSEC_ERRORS_NO_MESSAGE); |
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60 return(-1); |
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61 } |
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62 |
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63 if(xmlSecTransformIdsInit() < 0) { |
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64 xmlSecError(XMLSEC_ERRORS_HERE, |
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65 NULL, |
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66 "xmlSecTransformIdsInit", |
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67 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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68 XMLSEC_ERRORS_NO_MESSAGE); |
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69 return(-1); |
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70 } |
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71 |
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72 #ifndef XMLSEC_NO_XKMS |
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73 if(xmlSecXkmsRespondWithIdsInit() < 0) { |
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74 xmlSecError(XMLSEC_ERRORS_HERE, |
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75 NULL, |
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76 "xmlSecXkmsRespondWithIdsInit", |
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77 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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78 XMLSEC_ERRORS_NO_MESSAGE); |
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79 return(-1); |
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80 } |
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81 if(xmlSecXkmsServerRequestIdsInit() < 0) { |
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82 xmlSecError(XMLSEC_ERRORS_HERE, |
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83 NULL, |
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84 "xmlSecXkmsServerRequestIdsInit", |
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85 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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86 XMLSEC_ERRORS_NO_MESSAGE); |
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87 return(-1); |
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88 } |
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89 #endif /* XMLSEC_NO_XKMS */ |
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90 |
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91 /* we use rand() function to generate id attributes */ |
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92 srand(time(NULL)); |
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93 return(0); |
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94 } |
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95 |
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96 /** |
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97 * xmlSecShutdown: |
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98 * |
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99 * Clean ups the XML Security Library. |
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100 * |
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101 * Returns 0 on success or a negative value otherwise. |
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102 */ |
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103 EXPORT_C |
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104 int |
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105 xmlSecShutdown(void) { |
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106 int res = 0; |
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107 |
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108 #ifndef XMLSEC_NO_XKMS |
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109 xmlSecXkmsServerRequestIdsShutdown(); |
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110 xmlSecXkmsRespondWithIdsShutdown(); |
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111 #endif /* XMLSEC_NO_XKMS */ |
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112 |
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113 xmlSecTransformIdsShutdown(); |
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114 xmlSecKeyDataIdsShutdown(); |
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115 |
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116 #ifndef XMLSEC_NO_CRYPTO_DYNAMIC_LOADING |
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117 if(xmlSecCryptoDLShutdown() < 0) { |
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118 xmlSecError(XMLSEC_ERRORS_HERE, |
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119 NULL, |
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120 "xmlSecCryptoDLShutdown", |
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121 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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122 XMLSEC_ERRORS_NO_MESSAGE); |
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123 res = -1; |
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124 } |
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125 #endif /* XMLSEC_NO_CRYPTO_DYNAMIC_LOADING */ |
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126 |
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127 xmlSecIOShutdown(); |
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128 xmlSecErrorsShutdown(); |
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129 |
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130 return(res); |
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131 } |
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132 |
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133 /** |
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134 * xmlSecCheckVersionExt: |
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135 * @major: the major version number. |
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136 * @minor: the minor version number. |
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137 * @subminor: the subminor version number. |
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138 * @mode: the version check mode. |
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139 * |
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140 * Checks if the loaded version of xmlsec library could be used. |
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141 * |
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142 * Returns 1 if the loaded xmlsec library version is OK to use |
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143 * 0 if it is not or a negative value if an error occurs. |
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144 */ |
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145 EXPORT_C |
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146 int |
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147 xmlSecCheckVersionExt(int major, int minor, int subminor, xmlSecCheckVersionMode mode) { |
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148 /* we always want to have a match for major version number */ |
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149 if(major != XMLSEC_VERSION_MAJOR) { |
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150 xmlSecError(XMLSEC_ERRORS_HERE, |
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151 NULL, |
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152 NULL, |
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153 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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154 "expected major version=%d;real major version=%d", |
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155 XMLSEC_VERSION_MAJOR, major); |
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156 return(0); |
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157 } |
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158 |
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159 switch(mode) { |
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160 case xmlSecCheckVersionExact: |
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161 if((minor != XMLSEC_VERSION_MINOR) || (subminor != XMLSEC_VERSION_SUBMINOR)) { |
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162 xmlSecError(XMLSEC_ERRORS_HERE, |
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163 NULL, |
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164 NULL, |
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165 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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166 "mode=exact;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d", |
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167 XMLSEC_VERSION_MINOR, minor, |
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168 XMLSEC_VERSION_SUBMINOR, subminor); |
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169 return(0); |
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170 } |
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171 break; |
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172 case xmlSecCheckVersionABICompatible: |
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173 if((minor < XMLSEC_VERSION_MINOR) || |
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174 ((minor == XMLSEC_VERSION_MINOR) && |
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175 (subminor < XMLSEC_VERSION_SUBMINOR))) { |
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176 xmlSecError(XMLSEC_ERRORS_HERE, |
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177 NULL, |
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178 NULL, |
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179 XMLSEC_ERRORS_R_XMLSEC_FAILED, |
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180 "mode=abi compatible;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d", |
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181 XMLSEC_VERSION_MINOR, minor, |
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182 XMLSEC_VERSION_SUBMINOR, subminor); |
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183 return(0); |
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184 } |
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185 break; |
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186 } |
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187 |
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188 return(1); |
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189 } |
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190 |
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191 |