1 /* |
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2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #include <stdio.h> |
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27 #include <stdlib.h> |
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28 #include <dlfcn.h> |
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29 #include "NativeFunc.h" |
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30 |
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31 /* standard GSS method names (ordering is from mapfile) */ |
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32 static const char RELEASE_NAME[] = "gss_release_name"; |
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33 static const char IMPORT_NAME[] = "gss_import_name"; |
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34 static const char COMPARE_NAME[] = "gss_compare_name"; |
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35 static const char CANONICALIZE_NAME[] = "gss_canonicalize_name"; |
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36 static const char EXPORT_NAME[] = "gss_export_name"; |
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37 static const char DISPLAY_NAME[] = "gss_display_name"; |
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38 static const char ACQUIRE_CRED[] = "gss_acquire_cred"; |
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39 static const char RELEASE_CRED[] = "gss_release_cred"; |
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40 static const char INQUIRE_CRED[] = "gss_inquire_cred"; |
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41 static const char IMPORT_SEC_CONTEXT[] = "gss_import_sec_context"; |
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42 static const char INIT_SEC_CONTEXT[] = "gss_init_sec_context"; |
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43 static const char ACCEPT_SEC_CONTEXT[] = "gss_accept_sec_context"; |
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44 static const char INQUIRE_CONTEXT[] = "gss_inquire_context"; |
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45 static const char DELETE_SEC_CONTEXT[] = "gss_delete_sec_context"; |
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46 static const char CONTEXT_TIME[] = "gss_context_time"; |
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47 static const char WRAP_SIZE_LIMIT[] = "gss_wrap_size_limit"; |
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48 static const char EXPORT_SEC_CONTEXT[] = "gss_export_sec_context"; |
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49 static const char GET_MIC[] = "gss_get_mic"; |
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50 static const char VERIFY_MIC[] = "gss_verify_mic"; |
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51 static const char WRAP[] = "gss_wrap"; |
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52 static const char UNWRAP[] = "gss_unwrap"; |
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53 static const char INDICATE_MECHS[] = "gss_indicate_mechs"; |
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54 static const char INQUIRE_NAMES_FOR_MECH[] = "gss_inquire_names_for_mech"; |
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55 |
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56 /* additional GSS methods not public thru mapfile */ |
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57 |
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58 static const char ADD_OID_SET_MEMBER[] = "gss_add_oid_set_member"; |
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59 static const char DISPLAY_STATUS[] = "gss_display_status"; |
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60 static const char CREATE_EMPTY_OID_SET[] = "gss_create_empty_oid_set"; |
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61 static const char RELEASE_OID_SET[] = "gss_release_oid_set"; |
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62 static const char RELEASE_BUFFER[] = "gss_release_buffer"; |
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63 |
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64 /** |
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65 * Initialize native GSS function pointers |
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66 */ |
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67 char* loadNative(const char *libName) { |
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68 |
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69 char *error; |
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70 void *gssLib; |
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71 int failed; |
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72 OM_uint32 minor, major; |
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73 |
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74 ftab = NULL; |
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75 failed = FALSE; |
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76 error = NULL; |
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77 |
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78 gssLib = dlopen(libName, RTLD_NOW); |
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79 if (gssLib == NULL) { |
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80 failed = TRUE; |
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81 goto out; |
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82 } |
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83 |
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84 /* global function table instance */ |
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85 ftab = (GSS_FUNCTION_TABLE_PTR)malloc(sizeof(GSS_FUNCTION_TABLE)); |
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86 if (ftab == NULL) { |
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87 failed = TRUE; |
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88 goto out; |
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89 } |
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90 |
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91 ftab->releaseName = (RELEASE_NAME_FN_PTR)dlsym(gssLib, RELEASE_NAME); |
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92 if (ftab->releaseName == NULL) { |
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93 failed = TRUE; |
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94 goto out; |
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95 } |
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96 |
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97 ftab->importName = (IMPORT_NAME_FN_PTR)dlsym(gssLib, IMPORT_NAME); |
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98 if (ftab->importName == NULL) { |
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99 failed = TRUE; |
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100 goto out; |
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101 } |
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102 |
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103 ftab->compareName = (COMPARE_NAME_FN_PTR)dlsym(gssLib, COMPARE_NAME); |
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104 if (ftab->compareName == NULL) { |
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105 failed = TRUE; |
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106 goto out; |
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107 } |
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108 |
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109 ftab->canonicalizeName = (CANONICALIZE_NAME_FN_PTR) |
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110 dlsym(gssLib, CANONICALIZE_NAME); |
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111 if (ftab->canonicalizeName == NULL) { |
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112 failed = TRUE; |
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113 goto out; |
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114 } |
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115 |
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116 ftab->exportName = (EXPORT_NAME_FN_PTR)dlsym(gssLib, EXPORT_NAME); |
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117 if (ftab->exportName == NULL) { |
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118 failed = TRUE; |
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119 goto out; |
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120 } |
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121 |
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122 ftab->displayName = (DISPLAY_NAME_FN_PTR)dlsym(gssLib, DISPLAY_NAME); |
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123 if (ftab->displayName == NULL) { |
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124 failed = TRUE; |
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125 goto out; |
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126 } |
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127 |
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128 ftab->acquireCred = (ACQUIRE_CRED_FN_PTR)dlsym(gssLib, ACQUIRE_CRED); |
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129 if (ftab->acquireCred == NULL) { |
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130 failed = TRUE; |
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131 goto out; |
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132 } |
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133 |
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134 ftab->releaseCred = (RELEASE_CRED_FN_PTR)dlsym(gssLib, RELEASE_CRED); |
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135 if (ftab->releaseCred == NULL) { |
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136 failed = TRUE; |
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137 goto out; |
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138 } |
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139 |
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140 ftab->inquireCred = (INQUIRE_CRED_FN_PTR)dlsym(gssLib, INQUIRE_CRED); |
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141 if (ftab->inquireCred == NULL) { |
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142 failed = TRUE; |
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143 goto out; |
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144 } |
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145 |
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146 ftab->importSecContext = (IMPORT_SEC_CONTEXT_FN_PTR) |
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147 dlsym(gssLib, IMPORT_SEC_CONTEXT); |
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148 if (ftab->importSecContext == NULL) { |
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149 failed = TRUE; |
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150 goto out; |
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151 } |
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152 |
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153 ftab->initSecContext = (INIT_SEC_CONTEXT_FN_PTR) |
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154 dlsym(gssLib, INIT_SEC_CONTEXT); |
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155 if (ftab->initSecContext == NULL) { |
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156 failed = TRUE; |
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157 goto out; |
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158 } |
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159 |
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160 ftab->acceptSecContext = (ACCEPT_SEC_CONTEXT_FN_PTR) |
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161 dlsym(gssLib, ACCEPT_SEC_CONTEXT); |
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162 if (ftab->acceptSecContext == NULL) { |
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163 failed = TRUE; |
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164 goto out; |
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165 } |
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166 |
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167 ftab->inquireContext = (INQUIRE_CONTEXT_FN_PTR) |
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168 dlsym(gssLib, INQUIRE_CONTEXT); |
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169 if (ftab->inquireContext == NULL) { |
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170 failed = TRUE; |
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171 goto out; |
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172 } |
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173 |
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174 ftab->deleteSecContext = (DELETE_SEC_CONTEXT_FN_PTR) |
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175 dlsym(gssLib, DELETE_SEC_CONTEXT); |
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176 if (ftab->deleteSecContext == NULL) { |
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177 failed = TRUE; |
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178 goto out; |
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179 } |
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180 |
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181 ftab->contextTime = (CONTEXT_TIME_FN_PTR)dlsym(gssLib, CONTEXT_TIME); |
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182 if (ftab->contextTime == NULL) { |
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183 failed = TRUE; |
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184 goto out; |
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185 } |
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186 |
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187 ftab->wrapSizeLimit = (WRAP_SIZE_LIMIT_FN_PTR) |
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188 dlsym(gssLib, WRAP_SIZE_LIMIT); |
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189 if (ftab->wrapSizeLimit == NULL) { |
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190 failed = TRUE; |
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191 goto out; |
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192 } |
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193 |
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194 ftab->exportSecContext = (EXPORT_SEC_CONTEXT_FN_PTR) |
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195 dlsym(gssLib, EXPORT_SEC_CONTEXT); |
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196 if (ftab->exportSecContext == NULL) { |
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197 failed = TRUE; |
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198 goto out; |
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199 } |
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200 |
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201 ftab->getMic = (GET_MIC_FN_PTR)dlsym(gssLib, GET_MIC); |
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202 if (ftab->getMic == NULL) { |
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203 failed = TRUE; |
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204 goto out; |
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205 } |
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206 |
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207 ftab->verifyMic = (VERIFY_MIC_FN_PTR)dlsym(gssLib, VERIFY_MIC); |
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208 if (ftab->verifyMic == NULL) { |
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209 failed = TRUE; |
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210 goto out; |
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211 } |
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212 |
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213 ftab->wrap = (WRAP_FN_PTR)dlsym(gssLib, WRAP); |
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214 if (ftab->wrap == NULL) { |
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215 failed = TRUE; |
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216 goto out; |
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217 } |
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218 |
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219 ftab->unwrap = (UNWRAP_FN_PTR)dlsym(gssLib, UNWRAP); |
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220 if (ftab->unwrap == NULL) { |
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221 failed = TRUE; |
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222 goto out; |
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223 } |
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224 |
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225 ftab->indicateMechs = (INDICATE_MECHS_FN_PTR)dlsym(gssLib, INDICATE_MECHS); |
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226 if (ftab->indicateMechs == NULL) { |
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227 failed = TRUE; |
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228 goto out; |
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229 } |
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230 |
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231 ftab->inquireNamesForMech = (INQUIRE_NAMES_FOR_MECH_FN_PTR) |
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232 dlsym(gssLib, INQUIRE_NAMES_FOR_MECH); |
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233 if (ftab->inquireNamesForMech == NULL) { |
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234 failed = TRUE; |
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235 goto out; |
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236 } |
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237 |
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238 ftab->addOidSetMember = (ADD_OID_SET_MEMBER_FN_PTR) |
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239 dlsym(gssLib, ADD_OID_SET_MEMBER); |
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240 if (ftab->addOidSetMember == NULL) { |
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241 failed = TRUE; |
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242 goto out; |
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243 } |
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244 |
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245 ftab->displayStatus = (DISPLAY_STATUS_FN_PTR) |
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246 dlsym(gssLib, DISPLAY_STATUS); |
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247 if (ftab->displayStatus == NULL) { |
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248 failed = TRUE; |
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249 goto out; |
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250 } |
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251 |
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252 ftab->createEmptyOidSet = (CREATE_EMPTY_OID_SET_FN_PTR) |
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253 dlsym(gssLib, CREATE_EMPTY_OID_SET); |
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254 if (ftab->createEmptyOidSet == NULL) { |
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255 failed = TRUE; |
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256 goto out; |
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257 } |
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258 |
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259 ftab->releaseOidSet = (RELEASE_OID_SET_FN_PTR) |
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260 dlsym(gssLib, RELEASE_OID_SET); |
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261 if (ftab->releaseOidSet == NULL) { |
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262 failed = TRUE; |
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263 goto out; |
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264 } |
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265 |
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266 ftab->releaseBuffer = (RELEASE_BUFFER_FN_PTR) |
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267 dlsym(gssLib, RELEASE_BUFFER); |
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268 if (ftab->releaseBuffer == NULL) { |
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269 failed = TRUE; |
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270 goto out; |
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271 } |
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272 |
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273 ftab->mechs = GSS_C_NO_OID_SET; |
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274 major = (*ftab->indicateMechs)(&minor, &(ftab->mechs)); |
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275 if (ftab->mechs == NULL || ftab->mechs == GSS_C_NO_OID_SET) { |
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276 failed = TRUE; |
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277 goto out; |
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278 } |
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279 |
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280 |
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281 out: |
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282 if (failed == TRUE) { |
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283 error = dlerror(); |
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284 if (gssLib != NULL) dlclose(gssLib); |
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285 if (ftab != NULL) free(ftab); |
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286 } |
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287 return error; |
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288 } |
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