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1 /* |
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2 * Copyright (c) 2018, 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 #define UNICODE |
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27 #define _UNICODE |
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28 |
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29 #include <windows.h> |
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30 #include <stdlib.h> |
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31 #include <stdio.h> |
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32 #include <stdlib.h> |
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33 #include <string.h> |
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34 |
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35 #define GSS_DLL_FILE |
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36 #include "gssapi.h" |
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37 |
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38 #define SECURITY_WIN32 |
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39 #include <sspi.h> |
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40 |
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41 #pragma comment(lib, "secur32.lib") |
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42 |
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43 //#define DEBUG |
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44 |
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45 #ifdef DEBUG |
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46 TCHAR _bb[256]; |
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47 #define SEC_SUCCESS(Status) ((Status) >= 0 ? TRUE: (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,0,ss,MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),_bb,256,0),printf("SECURITY_STATUS: (%lx) %ls\n",ss,_bb),FALSE)) |
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48 #define P fprintf(stdout, "SSPI (%ld): \n", __LINE__); fflush(stdout); |
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49 #define PP(s) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, "%s\n", s); fflush(stdout) |
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50 #define PP1(s,n) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n); fflush(stdout) |
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51 #define PP2(s,n1,n2) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n1, n2); fflush(stdout) |
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52 #define PP3(s,n1,n2,n3) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n1, n2, n3); fflush(stdout) |
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53 BOOL debug = TRUE; |
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54 #else |
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55 #define SEC_SUCCESS(Status) ((Status) >= 0) |
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56 #define P |
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57 #define PP(s) |
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58 #define PP1(s,n) |
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59 #define PP2(s,n1,n2) |
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60 #define PP3(s,n1,n2,n3) |
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61 BOOL debug = FALSE; |
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62 #endif |
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63 |
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64 char KRB5_OID[9] = {(char)0x2a, (char)0x86, (char)0x48, (char)0x86, (char)0xf7, (char)0x12, (char)0x01, (char)0x02, (char)0x02}; |
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65 char KRB5_U2U_OID[10] = {(char)0x2a, (char)0x86, (char)0x48, (char)0x86, (char)0xf7, (char)0x12, (char)0x01, (char)0x02, (char)0x02, (char)0x03}; |
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66 char SPNEGO_OID[6] = {(char)0x2b, (char)0x06, (char)0x01, (char)0x05, (char)0x05, (char)0x02}; |
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67 char USER_NAME_OID[10] = {(char)0x2a, (char)0x86, (char)0x48, (char)0x86, (char)0xf7, (char)0x12, (char)0x01, (char)0x02, (char)0x01, (char)0x01}; |
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68 char HOST_SERVICE_NAME_OID[10] = {(char)0x2a, (char)0x86, (char)0x48, (char)0x86, (char)0xf7, (char)0x12, (char)0x01, (char)0x02, (char)0x01, (char)0x04}; |
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69 |
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70 typedef struct { |
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71 TCHAR PackageName[20]; |
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72 CredHandle* phCred; |
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73 struct _SecHandle hCtxt; |
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74 DWORD cbMaxMessage; |
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75 SecPkgContext_Sizes SecPkgContextSizes; |
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76 } Context; |
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77 |
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78 #ifdef __cplusplus |
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79 extern "C" { |
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80 #endif /* __cplusplus */ |
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81 |
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82 __declspec(dllexport) OM_uint32 gss_release_name |
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83 (OM_uint32 *minor_status, |
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84 gss_name_t *name) { |
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85 return GSS_S_FAILURE; |
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86 } |
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87 |
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88 __declspec(dllexport) OM_uint32 gss_import_name |
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89 (OM_uint32 *minor_status, |
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90 gss_buffer_t input_name_buffer, |
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91 gss_OID input_name_type, |
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92 gss_name_t *output_name) { |
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93 SecPkgCredentials_Names* names = new SecPkgCredentials_Names(); |
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94 int len = (int)input_name_buffer->length; |
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95 names->sUserName = new SEC_WCHAR[len + 1]; |
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96 MultiByteToWideChar(CP_ACP, 0, (LPSTR)input_name_buffer->value, len, names->sUserName, len); |
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97 names->sUserName[len] = 0; |
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98 if (input_name_type->length == 10 && !memcmp(input_name_type->elements, HOST_SERVICE_NAME_OID, 10)) { |
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99 for (int i = 0; i < len; i++) { |
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100 if (names->sUserName[i] == '@') { |
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101 names->sUserName[i] = '/'; |
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102 } |
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103 } |
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104 } |
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105 *output_name = (gss_name_t) names; |
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106 return GSS_S_COMPLETE; |
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107 } |
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108 |
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109 __declspec(dllexport) OM_uint32 gss_compare_name |
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110 (OM_uint32 *minor_status, |
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111 gss_name_t name1, |
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112 gss_name_t name2, |
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113 int *name_equal) { |
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114 return GSS_S_FAILURE; |
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115 } |
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116 |
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117 __declspec(dllexport) OM_uint32 gss_canonicalize_name |
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118 (OM_uint32 *minor_status, |
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119 gss_name_t input_name, |
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120 gss_OID mech_type, |
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121 gss_name_t *output_name) { |
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122 return GSS_S_FAILURE; |
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123 } |
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124 |
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125 __declspec(dllexport) OM_uint32 gss_export_name |
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126 (OM_uint32 *minor_status, |
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127 gss_name_t input_name, |
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128 gss_buffer_t exported_name) { |
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129 return GSS_S_FAILURE; |
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130 } |
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131 |
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132 __declspec(dllexport) OM_uint32 gss_display_name |
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133 (OM_uint32 *minor_status, |
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134 gss_name_t input_name, |
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135 gss_buffer_t output_name_buffer, |
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136 gss_OID *output_name_type) { |
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137 SecPkgCredentials_Names* names = (SecPkgCredentials_Names*)input_name; |
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138 int len = (int)wcslen(names->sUserName); |
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139 char* buffer = new char[len+1]; |
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140 WideCharToMultiByte(CP_ACP, 0, names->sUserName, len, buffer, len, NULL, NULL); |
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141 buffer[len] = 0; |
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142 output_name_buffer->length = len+1; |
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143 output_name_buffer->value = buffer; |
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144 PP1("Name found: %ls\n", names->sUserName); |
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145 PP2("%d [%s]", len, buffer); |
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146 if (output_name_type != NULL) { |
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147 gss_OID_desc* oid = new gss_OID_desc(); |
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148 oid->length = (OM_uint32)strlen(USER_NAME_OID); |
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149 oid->elements = strdup(USER_NAME_OID); |
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150 *output_name_type = oid; |
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151 } |
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152 return GSS_S_COMPLETE; |
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153 } |
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154 |
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155 long TimeStampToLong(TimeStamp *time) { |
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156 ULARGE_INTEGER *a, *b; |
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157 FILETIME fnow; |
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158 GetSystemTimeAsFileTime(&fnow); |
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159 a = (ULARGE_INTEGER*)time; |
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160 b = (ULARGE_INTEGER*)&fnow; |
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161 PP1("Difference %ld\n", (long)((a->QuadPart - b->QuadPart) / 10000000)); |
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162 return (long)((a->QuadPart - b->QuadPart) / 10000000); |
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163 } |
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164 |
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165 __declspec(dllexport) OM_uint32 gss_acquire_cred |
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166 (OM_uint32 *minor_status, |
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167 gss_name_t desired_name, |
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168 OM_uint32 time_req, |
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169 gss_OID_set desired_mech, |
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170 gss_cred_usage_t cred_usage, |
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171 gss_cred_id_t *output_cred_handle, |
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172 gss_OID_set *actual_mechs, |
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173 OM_uint32 *time_rec) { |
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174 if (desired_name != NULL) { |
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175 return GSS_S_FAILURE; // Only support default cred |
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176 } |
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177 SECURITY_STATUS ss; |
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178 CredHandle* cred = new CredHandle(); |
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179 TimeStamp ts; |
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180 cred_usage = 0; |
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181 PP1("AcquireCredentialsHandle with %d\n", cred_usage); |
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182 ss = AcquireCredentialsHandle( |
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183 NULL, |
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184 L"Kerberos", |
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185 cred_usage == 0 ? SECPKG_CRED_BOTH : |
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186 (cred_usage == 1 ? SECPKG_CRED_OUTBOUND : SECPKG_CRED_INBOUND), |
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187 NULL, |
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188 NULL, |
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189 NULL, |
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190 NULL, |
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191 cred, |
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192 &ts |
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193 ); |
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194 |
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195 actual_mechs = &desired_mech; |
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196 *output_cred_handle = (void*)cred; |
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197 if (time_rec != NULL) { |
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198 *time_rec = TimeStampToLong(&ts); |
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199 } |
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200 |
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201 return GSS_S_COMPLETE; |
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202 } |
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203 |
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204 __declspec(dllexport) OM_uint32 gss_release_cred |
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205 (OM_uint32 *minor_status, |
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206 gss_cred_id_t *cred_handle) { |
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207 return GSS_S_FAILURE; |
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208 } |
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209 |
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210 __declspec(dllexport) OM_uint32 gss_inquire_cred |
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211 (OM_uint32 *minor_status, |
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212 gss_cred_id_t cred_handle, |
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213 gss_name_t *name, |
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214 OM_uint32 *lifetime, |
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215 gss_cred_usage_t *cred_usage, |
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216 gss_OID_set *mechanisms) { |
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217 CredHandle* cred = (CredHandle*)cred_handle; |
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218 SECURITY_STATUS ss; |
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219 if (name) { |
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220 SecPkgCredentials_Names* names = new SecPkgCredentials_Names(); |
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221 ss = QueryCredentialsAttributes(cred, SECPKG_CRED_ATTR_NAMES, names); |
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222 *name = (gss_name_t) names; |
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223 } |
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224 // Others inquiries not supported yet |
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225 return GSS_S_COMPLETE; |
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226 } |
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227 |
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228 __declspec(dllexport) OM_uint32 gss_import_sec_context |
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229 (OM_uint32 *minor_status, |
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230 gss_buffer_t interprocess_token, |
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231 gss_ctx_id_t *context_handle) { |
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232 return GSS_S_FAILURE; |
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233 } |
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234 |
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235 void FillContextAfterEstablished(Context *pc) { |
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236 QueryContextAttributes(&pc->hCtxt, SECPKG_ATTR_SIZES, |
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237 &pc->SecPkgContextSizes); |
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238 } |
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239 |
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240 SECURITY_STATUS GenClientContext( |
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241 Context *pc, |
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242 int flag, |
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243 BYTE *pIn, |
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244 size_t cbIn, |
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245 BYTE *pOut, |
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246 size_t *pcbOut, |
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247 BOOL *pfDone, |
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248 ULONG *pOutFlag, |
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249 TCHAR *pszTarget) { |
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250 SECURITY_STATUS ss; |
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251 TimeStamp Lifetime; |
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252 SecBufferDesc OutBuffDesc; |
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253 SecBuffer OutSecBuff; |
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254 SecBufferDesc InBuffDesc; |
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255 SecBuffer InSecBuff; |
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256 |
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257 OutBuffDesc.ulVersion = SECBUFFER_VERSION; |
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258 OutBuffDesc.cBuffers = 1; |
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259 OutBuffDesc.pBuffers = &OutSecBuff; |
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260 |
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261 OutSecBuff.cbBuffer = (ULONG)*pcbOut; |
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262 OutSecBuff.BufferType = SECBUFFER_TOKEN; |
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263 OutSecBuff.pvBuffer = pOut; |
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264 |
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265 PP2("TARGET: %ls %ls\n", pszTarget, pc->PackageName); |
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266 PP2("flag: %x [%ls]\n", flag, pszTarget); |
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267 if (pIn) { |
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268 InBuffDesc.ulVersion = SECBUFFER_VERSION; |
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269 InBuffDesc.cBuffers = 1; |
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270 InBuffDesc.pBuffers = &InSecBuff; |
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271 |
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272 InSecBuff.cbBuffer = (ULONG)cbIn; |
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273 InSecBuff.BufferType = SECBUFFER_TOKEN; |
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274 InSecBuff.pvBuffer = pIn; |
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275 |
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276 ss = InitializeSecurityContext( |
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277 pc->phCred, |
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278 &pc->hCtxt, |
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279 pszTarget, |
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280 flag, |
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281 0, |
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282 SECURITY_NATIVE_DREP, |
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283 &InBuffDesc, |
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284 0, |
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285 &pc->hCtxt, |
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286 &OutBuffDesc, |
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287 pOutFlag, |
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288 &Lifetime); |
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289 } else { |
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290 if (!pc->phCred) { |
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291 PP("No credentials provided, acquire automatically"); |
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292 ss = AcquireCredentialsHandle( |
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293 NULL, |
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294 pc->PackageName, |
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295 SECPKG_CRED_OUTBOUND, |
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296 NULL, |
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297 NULL, |
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298 NULL, |
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299 NULL, |
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300 pc->phCred, |
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301 &Lifetime); |
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302 PP("end"); |
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303 if (!(SEC_SUCCESS(ss))) { |
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304 PP("Failed"); |
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305 return ss; |
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306 } |
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307 } else { |
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308 PP("Credentials OK"); |
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309 } |
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310 ss = InitializeSecurityContext( |
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311 pc->phCred, |
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312 NULL, |
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313 pszTarget, |
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314 flag, |
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315 0, |
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316 SECURITY_NATIVE_DREP, |
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317 NULL, |
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318 0, |
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319 &pc->hCtxt, |
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320 &OutBuffDesc, |
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321 pOutFlag, |
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322 &Lifetime); |
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323 } |
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324 |
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325 if (!SEC_SUCCESS(ss)) { |
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326 PP("InitializeSecurityContext Failed"); |
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327 return ss; |
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328 } |
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329 //------------------------------------------------------------------- |
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330 // If necessary, complete the token. |
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331 |
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332 if ((SEC_I_COMPLETE_NEEDED == ss) |
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333 || (SEC_I_COMPLETE_AND_CONTINUE == ss)) { |
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334 ss = CompleteAuthToken(&pc->hCtxt, &OutBuffDesc); |
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335 if (!SEC_SUCCESS(ss)) { |
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336 return ss; |
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337 } |
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338 } |
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339 |
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340 *pcbOut = OutSecBuff.cbBuffer; |
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341 |
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342 *pfDone = !((SEC_I_CONTINUE_NEEDED == ss) || |
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343 (SEC_I_COMPLETE_AND_CONTINUE == ss)); |
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344 |
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345 return ss; |
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346 } |
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347 |
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348 Context* NewContext(TCHAR* PackageName) { |
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349 SECURITY_STATUS ss; |
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350 PSecPkgInfo pkgInfo; |
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351 |
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352 Context* out = (Context*)malloc(sizeof(Context)); |
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353 ss = QuerySecurityPackageInfo( |
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354 PackageName, |
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355 &pkgInfo); |
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356 if (!SEC_SUCCESS(ss)) { |
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357 return NULL; |
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358 } |
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359 out->phCred = NULL; |
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360 out->cbMaxMessage = pkgInfo->cbMaxToken; |
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361 PP2(" QuerySecurityPackageInfo %ls goes %ld\n", PackageName, out->cbMaxMessage); |
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362 wcscpy(out->PackageName, PackageName); |
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363 FreeContextBuffer(pkgInfo); |
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364 return out; |
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365 } |
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366 |
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367 int flagSspi2Gss(int fin) { |
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368 int fout = 0; |
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369 if (fin & ISC_REQ_MUTUAL_AUTH) fout |= GSS_C_MUTUAL_FLAG; |
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370 if (fin & ISC_REQ_CONFIDENTIALITY) fout |= GSS_C_CONF_FLAG; |
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371 if (fin & ISC_REQ_DELEGATE) fout |= GSS_C_DELEG_FLAG; |
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372 if (fin & ISC_REQ_INTEGRITY) fout |= GSS_C_INTEG_FLAG; |
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373 if (fin & ISC_REQ_REPLAY_DETECT) fout |= GSS_C_REPLAY_FLAG; |
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374 if (fin & ISC_REQ_SEQUENCE_DETECT) fout |= GSS_C_SEQUENCE_FLAG; |
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375 return fout; |
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376 } |
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377 |
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378 int flagGss2Sspi(int fin) { |
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379 int fout = 0; |
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380 if (fin & GSS_C_MUTUAL_FLAG) fout |= ISC_RET_MUTUAL_AUTH; |
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381 if (fin & GSS_C_CONF_FLAG) fout |= ISC_RET_CONFIDENTIALITY; |
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382 if (fin & GSS_C_DELEG_FLAG) fout |= ISC_RET_DELEGATE; |
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383 if (fin & GSS_C_INTEG_FLAG) fout |= ISC_RET_INTEGRITY; |
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384 if (fin & GSS_C_REPLAY_FLAG) fout |= ISC_RET_REPLAY_DETECT; |
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385 if (fin & GSS_C_SEQUENCE_FLAG) fout |= ISC_RET_SEQUENCE_DETECT; |
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386 return fout; |
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387 } |
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388 |
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389 __declspec(dllexport) OM_uint32 gss_init_sec_context |
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390 (OM_uint32 *minor_status, |
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391 gss_cred_id_t initiator_cred_handle, |
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392 gss_ctx_id_t *context_handle, |
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393 gss_name_t target_name, |
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394 gss_OID mech_type, |
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395 OM_uint32 req_flags, |
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396 OM_uint32 time_req, |
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397 gss_channel_bindings_t input_chan_bindings, |
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398 gss_buffer_t input_token, |
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399 gss_OID *actual_mech_type, |
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400 gss_buffer_t output_token, |
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401 OM_uint32 *ret_flags, |
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402 OM_uint32 *time_rec) { |
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403 SECURITY_STATUS ss; |
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404 |
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405 Context* pc; |
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406 if (input_token->length == 0) { |
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407 pc = NewContext(L"Kerberos"); |
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408 pc->phCred = (CredHandle*)initiator_cred_handle; |
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409 *context_handle = (gss_ctx_id_t) pc; |
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410 } else { |
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411 pc = (Context*)*context_handle; |
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412 } |
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413 |
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414 output_token->length = pc->cbMaxMessage; |
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415 output_token->value = new char[pc->cbMaxMessage]; |
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416 |
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417 DWORD outFlag; |
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418 TCHAR outName[100]; |
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419 |
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420 OM_uint32 minor; |
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421 gss_buffer_desc tn; |
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422 gss_display_name(&minor, target_name, &tn, NULL); |
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423 MultiByteToWideChar(CP_ACP, 0, (LPCCH)tn.value, (int)tn.length, outName, (int)tn.length); |
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424 outName[tn.length] = 0; |
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425 |
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426 BOOL pfDone; |
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427 ss = GenClientContext( |
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428 pc, flagGss2Sspi(req_flags), |
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429 (BYTE*)input_token->value, input_token->length, |
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430 (BYTE*)output_token->value, &(output_token->length), |
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431 &pfDone, &outFlag, |
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432 (TCHAR*)outName); |
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433 if (ss == SEC_E_OK) FillContextAfterEstablished(pc); |
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434 outFlag = flagSspi2Gss(outFlag); |
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435 |
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436 if (!SEC_SUCCESS(ss)) { |
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437 return GSS_S_FAILURE; |
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438 } |
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439 |
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440 *ret_flags = (OM_uint32)outFlag; |
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441 if (ss == SEC_I_CONTINUE_NEEDED) { |
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442 return GSS_S_CONTINUE_NEEDED; |
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443 } else { |
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444 *ret_flags |= GSS_C_PROT_READY_FLAG; |
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445 return GSS_S_COMPLETE; |
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446 } |
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447 } |
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448 |
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449 __declspec(dllexport) OM_uint32 gss_accept_sec_context |
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450 (OM_uint32 *minor_status, |
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451 gss_ctx_id_t *context_handle, |
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452 gss_cred_id_t acceptor_cred_handle, |
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453 gss_buffer_t input_token, |
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454 gss_channel_bindings_t input_chan_bindings, |
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455 gss_name_t *src_name, |
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456 gss_OID *mech_type, |
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457 gss_buffer_t output_token, |
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458 OM_uint32 *ret_flags, |
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459 OM_uint32 *time_rec, |
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460 gss_cred_id_t *delegated_cred_handle) { |
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461 return GSS_S_FAILURE; |
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462 } |
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463 |
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464 __declspec(dllexport) OM_uint32 gss_inquire_context |
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465 (OM_uint32 *minor_status, |
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466 gss_ctx_id_t context_handle, |
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467 gss_name_t *src_name, |
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468 gss_name_t *targ_name, |
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469 OM_uint32 *lifetime_rec, |
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470 gss_OID *mech_type, |
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471 OM_uint32 *ctx_flags, |
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472 int *locally_initiated, |
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473 int *open) { |
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474 Context* pc = (Context*) context_handle; |
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475 return GSS_S_FAILURE; |
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476 } |
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477 |
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478 __declspec(dllexport) OM_uint32 gss_delete_sec_context |
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479 (OM_uint32 *minor_status, |
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480 gss_ctx_id_t *context_handle, |
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481 gss_buffer_t output_token) { |
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482 return GSS_S_FAILURE; |
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483 } |
|
484 |
|
485 __declspec(dllexport) OM_uint32 gss_context_time |
|
486 (OM_uint32 *minor_status, |
|
487 gss_ctx_id_t context_handle, |
|
488 OM_uint32 *time_rec) { |
|
489 Context* pc = (Context*) context_handle; |
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490 return GSS_S_FAILURE; |
|
491 } |
|
492 |
|
493 __declspec(dllexport) OM_uint32 gss_wrap_size_limit |
|
494 (OM_uint32 *minor_status, |
|
495 gss_ctx_id_t context_handle, |
|
496 int conf_req_flag, |
|
497 gss_qop_t qop_req, |
|
498 OM_uint32 req_output_size, |
|
499 OM_uint32 *max_input_size) { |
|
500 Context* pc = (Context*) context_handle; |
|
501 *max_input_size = pc->cbMaxMessage; |
|
502 return GSS_S_COMPLETE; |
|
503 } |
|
504 |
|
505 __declspec(dllexport) OM_uint32 gss_export_sec_context |
|
506 (OM_uint32 *minor_status, |
|
507 gss_ctx_id_t *context_handle, |
|
508 gss_buffer_t interprocess_token) { |
|
509 return GSS_S_FAILURE; |
|
510 } |
|
511 |
|
512 __declspec(dllexport) OM_uint32 gss_get_mic |
|
513 (OM_uint32 *minor_status, |
|
514 gss_ctx_id_t context_handle, |
|
515 gss_qop_t qop_req, |
|
516 gss_buffer_t message_buffer, |
|
517 gss_buffer_t msg_token) { |
|
518 |
|
519 Context* pc = (Context*) context_handle; |
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520 |
|
521 SECURITY_STATUS ss; |
|
522 SecBufferDesc BuffDesc; |
|
523 SecBuffer SecBuff[2]; |
|
524 |
|
525 BuffDesc.cBuffers = 2; |
|
526 BuffDesc.pBuffers = SecBuff; |
|
527 BuffDesc.ulVersion = SECBUFFER_VERSION; |
|
528 |
|
529 SecBuff[0].BufferType = SECBUFFER_DATA; |
|
530 SecBuff[0].cbBuffer = (ULONG)message_buffer->length; |
|
531 SecBuff[0].pvBuffer = message_buffer->value; |
|
532 |
|
533 SecBuff[1].BufferType = SECBUFFER_TOKEN; |
|
534 SecBuff[1].cbBuffer = pc->SecPkgContextSizes.cbMaxSignature; |
|
535 SecBuff[1].pvBuffer = msg_token->value = malloc(SecBuff[1].cbBuffer); |
|
536 |
|
537 ss = MakeSignature(&pc->hCtxt, 0, &BuffDesc, 0); |
|
538 |
|
539 if (!SEC_SUCCESS(ss)) { |
|
540 free(SecBuff[1].pvBuffer); |
|
541 return GSS_S_FAILURE; |
|
542 } |
|
543 |
|
544 msg_token->length = SecBuff[1].cbBuffer; |
|
545 return GSS_S_COMPLETE; |
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546 } |
|
547 |
|
548 __declspec(dllexport) OM_uint32 gss_verify_mic |
|
549 (OM_uint32 *minor_status, |
|
550 gss_ctx_id_t context_handle, |
|
551 gss_buffer_t message_buffer, |
|
552 gss_buffer_t token_buffer, |
|
553 gss_qop_t *qop_state) { |
|
554 Context* pc = (Context*) context_handle; |
|
555 |
|
556 SECURITY_STATUS ss; |
|
557 SecBufferDesc BuffDesc; |
|
558 SecBuffer SecBuff[2]; |
|
559 ULONG qop; |
|
560 |
|
561 BuffDesc.ulVersion = 0; |
|
562 BuffDesc.cBuffers = 2; |
|
563 BuffDesc.pBuffers = SecBuff; |
|
564 |
|
565 SecBuff[0].BufferType = SECBUFFER_TOKEN; |
|
566 SecBuff[0].cbBuffer = (ULONG)token_buffer->length; |
|
567 SecBuff[0].pvBuffer = token_buffer->value; |
|
568 |
|
569 SecBuff[1].BufferType = SECBUFFER_DATA; |
|
570 SecBuff[1].cbBuffer = (ULONG)message_buffer->length; |
|
571 SecBuff[1].pvBuffer = message_buffer->value; |
|
572 |
|
573 ss = VerifySignature(&pc->hCtxt, &BuffDesc, 0, &qop); |
|
574 *qop_state = qop; |
|
575 |
|
576 if (ss == SEC_E_OK) { |
|
577 return GSS_S_COMPLETE; |
|
578 } else if (ss == SEC_E_OUT_OF_SEQUENCE) { |
|
579 return GSS_S_UNSEQ_TOKEN; |
|
580 } else { |
|
581 return GSS_S_BAD_SIG; |
|
582 } |
|
583 } |
|
584 |
|
585 __declspec(dllexport) OM_uint32 gss_wrap |
|
586 (OM_uint32 *minor_status, |
|
587 gss_ctx_id_t context_handle, |
|
588 int conf_req_flag, |
|
589 gss_qop_t qop_req, |
|
590 gss_buffer_t input_message_buffer, |
|
591 int *conf_state, |
|
592 gss_buffer_t output_message_buffer) { |
|
593 |
|
594 Context* pc = (Context*) context_handle; |
|
595 |
|
596 SECURITY_STATUS ss; |
|
597 SecBufferDesc BuffDesc; |
|
598 SecBuffer SecBuff[3]; |
|
599 |
|
600 BuffDesc.ulVersion = SECBUFFER_VERSION; |
|
601 BuffDesc.cBuffers = 3; |
|
602 BuffDesc.pBuffers = SecBuff; |
|
603 |
|
604 SecBuff[0].BufferType = SECBUFFER_TOKEN; |
|
605 SecBuff[0].cbBuffer = pc->SecPkgContextSizes.cbSecurityTrailer; |
|
606 output_message_buffer->value = SecBuff[0].pvBuffer = malloc(pc->SecPkgContextSizes.cbSecurityTrailer |
|
607 + input_message_buffer->length + pc->SecPkgContextSizes.cbBlockSize);; |
|
608 |
|
609 SecBuff[1].BufferType = SECBUFFER_DATA; |
|
610 SecBuff[1].cbBuffer = (ULONG)input_message_buffer->length; |
|
611 SecBuff[1].pvBuffer = malloc(SecBuff[1].cbBuffer); |
|
612 memcpy(SecBuff[1].pvBuffer, input_message_buffer->value, input_message_buffer->length); |
|
613 |
|
614 SecBuff[2].BufferType = SECBUFFER_PADDING; |
|
615 SecBuff[2].cbBuffer = pc->SecPkgContextSizes.cbBlockSize; |
|
616 SecBuff[2].pvBuffer = malloc(SecBuff[2].cbBuffer); |
|
617 |
|
618 ss = EncryptMessage(&pc->hCtxt, conf_req_flag ? 0 : SECQOP_WRAP_NO_ENCRYPT, &BuffDesc, 0); |
|
619 *conf_state = conf_req_flag; |
|
620 |
|
621 if (!SEC_SUCCESS(ss)) { |
|
622 free(SecBuff[0].pvBuffer); |
|
623 free(SecBuff[1].pvBuffer); |
|
624 free(SecBuff[2].pvBuffer); |
|
625 return GSS_S_FAILURE; |
|
626 } |
|
627 |
|
628 memcpy((PBYTE)SecBuff[0].pvBuffer + SecBuff[0].cbBuffer, SecBuff[1].pvBuffer, |
|
629 SecBuff[1].cbBuffer); |
|
630 memcpy((PBYTE)SecBuff[0].pvBuffer + SecBuff[0].cbBuffer + SecBuff[1].cbBuffer, |
|
631 SecBuff[2].pvBuffer, SecBuff[2].cbBuffer); |
|
632 |
|
633 output_message_buffer->length = SecBuff[1].cbBuffer + SecBuff[0].cbBuffer |
|
634 + SecBuff[2].cbBuffer; |
|
635 free(SecBuff[1].pvBuffer); |
|
636 free(SecBuff[2].pvBuffer); |
|
637 |
|
638 return GSS_S_COMPLETE; |
|
639 } |
|
640 |
|
641 __declspec(dllexport) OM_uint32 gss_unwrap |
|
642 (OM_uint32 *minor_status, |
|
643 gss_ctx_id_t context_handle, |
|
644 gss_buffer_t input_message_buffer, |
|
645 gss_buffer_t output_message_buffer, |
|
646 int *conf_state, |
|
647 gss_qop_t *qop_state) { |
|
648 Context* pc = (Context*) context_handle; |
|
649 |
|
650 SECURITY_STATUS ss; |
|
651 SecBufferDesc BuffDesc; |
|
652 SecBuffer SecBuff[2]; |
|
653 ULONG ulQop = 0; |
|
654 |
|
655 BuffDesc.cBuffers = 2; |
|
656 BuffDesc.pBuffers = SecBuff; |
|
657 BuffDesc.ulVersion = SECBUFFER_VERSION; |
|
658 |
|
659 SecBuff[0].BufferType = SECBUFFER_STREAM; |
|
660 SecBuff[0].cbBuffer = (ULONG)input_message_buffer->length; |
|
661 output_message_buffer->value = SecBuff[0].pvBuffer = malloc(input_message_buffer->length); |
|
662 memcpy(SecBuff[0].pvBuffer, input_message_buffer->value, input_message_buffer->length); |
|
663 |
|
664 SecBuff[1].BufferType = SECBUFFER_DATA; |
|
665 SecBuff[1].cbBuffer = 0; |
|
666 SecBuff[1].pvBuffer = NULL; |
|
667 |
|
668 ss = DecryptMessage(&pc->hCtxt, &BuffDesc, 0, &ulQop); |
|
669 if (!SEC_SUCCESS(ss)) { |
|
670 free(SecBuff[0].pvBuffer); |
|
671 return GSS_S_FAILURE; |
|
672 } |
|
673 output_message_buffer->length = SecBuff[1].cbBuffer; |
|
674 output_message_buffer->value = SecBuff[1].pvBuffer; |
|
675 *conf_state = ulQop == SECQOP_WRAP_NO_ENCRYPT ? 0 : 1; |
|
676 return GSS_S_COMPLETE; |
|
677 } |
|
678 |
|
679 __declspec(dllexport) OM_uint32 gss_indicate_mechs |
|
680 (OM_uint32 *minor_status, |
|
681 gss_OID_set *mech_set) { |
|
682 gss_OID_set_desc *copy; |
|
683 OM_uint32 minor = 0; |
|
684 OM_uint32 major = GSS_S_COMPLETE; |
|
685 int n = 0; |
|
686 int i = 0; |
|
687 BOOLEAN hasSpnego = false, hasKerberos = false; |
|
688 |
|
689 ULONG ccPackages; |
|
690 PSecPkgInfo packages; |
|
691 EnumerateSecurityPackages(&ccPackages, &packages); |
|
692 PP1("EnumerateSecurityPackages returns %ld\n", ccPackages); |
|
693 // TODO: only return Kerberos, so no need to check input later |
|
694 PSecPkgInfo pkgInfo; |
|
695 SECURITY_STATUS ss = QuerySecurityPackageInfo(L"Negotiate", &pkgInfo); |
|
696 if (ss == SEC_E_OK) { |
|
697 // n++; |
|
698 // hasSpnego = true; |
|
699 } |
|
700 ss = QuerySecurityPackageInfo(L"Kerberos", &pkgInfo); |
|
701 if (ss == SEC_E_OK) { |
|
702 n++; |
|
703 hasKerberos = true; |
|
704 } |
|
705 |
|
706 if ((copy = new gss_OID_set_desc[1]) == NULL) { |
|
707 major = GSS_S_FAILURE; |
|
708 goto done; |
|
709 } |
|
710 |
|
711 if ((copy->elements = new gss_OID_desc[n]) == NULL) { |
|
712 major = GSS_S_FAILURE; |
|
713 goto done; |
|
714 } |
|
715 |
|
716 if (hasKerberos) { |
|
717 gss_OID_desc *out = ©->elements[i]; |
|
718 if ((out->elements = new char[sizeof(KRB5_OID)]) == NULL) { |
|
719 major = GSS_S_FAILURE; |
|
720 goto done; |
|
721 } |
|
722 (void) memcpy(out->elements, KRB5_OID, sizeof(KRB5_OID)); |
|
723 out->length = sizeof(KRB5_OID); |
|
724 i++; |
|
725 } |
|
726 if (hasSpnego) { |
|
727 gss_OID_desc *out = ©->elements[i]; |
|
728 char in[6] = { 0x2B, 0x06, 0x01, 0x05, 0x05, 0x02 }; |
|
729 if ((out->elements = new char[sizeof(in)]) == NULL) { |
|
730 major = GSS_S_FAILURE; |
|
731 goto done; |
|
732 } |
|
733 (void) memcpy(out->elements, in, sizeof(in)); |
|
734 out->length = sizeof(in); |
|
735 i++; |
|
736 } |
|
737 copy->count = i; |
|
738 |
|
739 *mech_set = copy; |
|
740 done: |
|
741 if (major != GSS_S_COMPLETE) { |
|
742 // (void) generic_gss_release_oid_set(&minor, ©); |
|
743 } |
|
744 |
|
745 return (major); |
|
746 } |
|
747 |
|
748 __declspec(dllexport) OM_uint32 gss_inquire_names_for_mech |
|
749 (OM_uint32 *minor_status, |
|
750 const gss_OID mechanism, |
|
751 gss_OID_set *name_types) { |
|
752 return GSS_S_FAILURE; |
|
753 } |
|
754 |
|
755 __declspec(dllexport) OM_uint32 gss_add_oid_set_member |
|
756 (OM_uint32 *minor_status, |
|
757 gss_OID member_oid, |
|
758 gss_OID_set *oid_set) { |
|
759 return GSS_S_FAILURE; |
|
760 } |
|
761 |
|
762 __declspec(dllexport) OM_uint32 gss_display_status |
|
763 (OM_uint32 *minor_status, |
|
764 OM_uint32 status_value, |
|
765 int status_type, |
|
766 gss_OID mech_type, |
|
767 OM_uint32 *message_context, |
|
768 gss_buffer_t status_string) { |
|
769 return GSS_S_FAILURE; |
|
770 } |
|
771 |
|
772 __declspec(dllexport) OM_uint32 gss_create_empty_oid_set |
|
773 (OM_uint32 *minor_status, |
|
774 gss_OID_set *oid_set) { |
|
775 return GSS_S_FAILURE; |
|
776 } |
|
777 |
|
778 __declspec(dllexport) OM_uint32 gss_release_oid_set |
|
779 (OM_uint32 *minor_status, |
|
780 gss_OID_set *set) { |
|
781 return GSS_S_FAILURE; |
|
782 } |
|
783 |
|
784 __declspec(dllexport) OM_uint32 gss_release_buffer |
|
785 (OM_uint32 *minor_status, |
|
786 gss_buffer_t buffer) { |
|
787 return GSS_S_FAILURE; |
|
788 } |
|
789 |
|
790 #ifdef __cplusplus |
|
791 } |
|
792 #endif |