56552
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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#define UNICODE
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#define _UNICODE
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define GSS_DLL_FILE
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#include "gssapi.h"
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#define SECURITY_WIN32
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#include <sspi.h>
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#pragma comment(lib, "secur32.lib")
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//#define DEBUG
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#ifdef DEBUG
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TCHAR _bb[256];
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#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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#define P fprintf(stdout, "SSPI (%ld): \n", __LINE__); fflush(stdout);
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#define PP(s) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, "%s\n", s); fflush(stdout)
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#define PP1(s,n) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n); fflush(stdout)
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#define PP2(s,n1,n2) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n1, n2); fflush(stdout)
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#define PP3(s,n1,n2,n3) fprintf(stdout, "SSPI (%ld): ", __LINE__); fprintf(stdout, s, n1, n2, n3); fflush(stdout)
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BOOL debug = TRUE;
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#else
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#define SEC_SUCCESS(Status) ((Status) >= 0)
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#define P
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#define PP(s)
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#define PP1(s,n)
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#define PP2(s,n1,n2)
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#define PP3(s,n1,n2,n3)
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BOOL debug = FALSE;
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#endif
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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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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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char SPNEGO_OID[6] = {(char)0x2b, (char)0x06, (char)0x01, (char)0x05, (char)0x05, (char)0x02};
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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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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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typedef struct {
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TCHAR PackageName[20];
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CredHandle* phCred;
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struct _SecHandle hCtxt;
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DWORD cbMaxMessage;
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SecPkgContext_Sizes SecPkgContextSizes;
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} Context;
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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__declspec(dllexport) OM_uint32 gss_release_name
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(OM_uint32 *minor_status,
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gss_name_t *name) {
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return GSS_S_FAILURE;
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}
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__declspec(dllexport) OM_uint32 gss_import_name
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(OM_uint32 *minor_status,
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gss_buffer_t input_name_buffer,
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gss_OID input_name_type,
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gss_name_t *output_name) {
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SecPkgCredentials_Names* names = new SecPkgCredentials_Names();
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int len = (int)input_name_buffer->length;
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names->sUserName = new SEC_WCHAR[len + 1];
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MultiByteToWideChar(CP_ACP, 0, (LPSTR)input_name_buffer->value, len, names->sUserName, len);
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names->sUserName[len] = 0;
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if (input_name_type->length == 10 && !memcmp(input_name_type->elements, HOST_SERVICE_NAME_OID, 10)) {
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for (int i = 0; i < len; i++) {
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if (names->sUserName[i] == '@') {
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names->sUserName[i] = '/';
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}
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}
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}
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*output_name = (gss_name_t) names;
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return GSS_S_COMPLETE;
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}
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__declspec(dllexport) OM_uint32 gss_compare_name
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(OM_uint32 *minor_status,
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gss_name_t name1,
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gss_name_t name2,
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int *name_equal) {
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return GSS_S_FAILURE;
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}
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__declspec(dllexport) OM_uint32 gss_canonicalize_name
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(OM_uint32 *minor_status,
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gss_name_t input_name,
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gss_OID mech_type,
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gss_name_t *output_name) {
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return GSS_S_FAILURE;
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}
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__declspec(dllexport) OM_uint32 gss_export_name
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(OM_uint32 *minor_status,
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gss_name_t input_name,
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gss_buffer_t exported_name) {
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return GSS_S_FAILURE;
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}
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__declspec(dllexport) OM_uint32 gss_display_name
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(OM_uint32 *minor_status,
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gss_name_t input_name,
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gss_buffer_t output_name_buffer,
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gss_OID *output_name_type) {
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SecPkgCredentials_Names* names = (SecPkgCredentials_Names*)input_name;
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int len = (int)wcslen(names->sUserName);
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char* buffer = new char[len+1];
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WideCharToMultiByte(CP_ACP, 0, names->sUserName, len, buffer, len, NULL, NULL);
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buffer[len] = 0;
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output_name_buffer->length = len+1;
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output_name_buffer->value = buffer;
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PP1("Name found: %ls\n", names->sUserName);
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PP2("%d [%s]", len, buffer);
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if (output_name_type != NULL) {
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gss_OID_desc* oid = new gss_OID_desc();
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oid->length = (OM_uint32)strlen(USER_NAME_OID);
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oid->elements = strdup(USER_NAME_OID);
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*output_name_type = oid;
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}
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return GSS_S_COMPLETE;
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}
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long TimeStampToLong(TimeStamp *time) {
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ULARGE_INTEGER *a, *b;
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FILETIME fnow;
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GetSystemTimeAsFileTime(&fnow);
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a = (ULARGE_INTEGER*)time;
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b = (ULARGE_INTEGER*)&fnow;
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PP1("Difference %ld\n", (long)((a->QuadPart - b->QuadPart) / 10000000));
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return (long)((a->QuadPart - b->QuadPart) / 10000000);
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}
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__declspec(dllexport) OM_uint32 gss_acquire_cred
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(OM_uint32 *minor_status,
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gss_name_t desired_name,
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OM_uint32 time_req,
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gss_OID_set desired_mech,
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gss_cred_usage_t cred_usage,
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gss_cred_id_t *output_cred_handle,
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gss_OID_set *actual_mechs,
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OM_uint32 *time_rec) {
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if (desired_name != NULL) {
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return GSS_S_FAILURE; // Only support default cred
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}
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SECURITY_STATUS ss;
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CredHandle* cred = new CredHandle();
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TimeStamp ts;
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cred_usage = 0;
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PP1("AcquireCredentialsHandle with %d\n", cred_usage);
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ss = AcquireCredentialsHandle(
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NULL,
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L"Kerberos",
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cred_usage == 0 ? SECPKG_CRED_BOTH :
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(cred_usage == 1 ? SECPKG_CRED_OUTBOUND : SECPKG_CRED_INBOUND),
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NULL,
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NULL,
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NULL,
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NULL,
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cred,
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&ts
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);
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actual_mechs = &desired_mech;
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*output_cred_handle = (void*)cred;
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if (time_rec != NULL) {
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*time_rec = TimeStampToLong(&ts);
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}
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return GSS_S_COMPLETE;
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}
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__declspec(dllexport) OM_uint32 gss_release_cred
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(OM_uint32 *minor_status,
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gss_cred_id_t *cred_handle) {
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return GSS_S_FAILURE;
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}
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__declspec(dllexport) OM_uint32 gss_inquire_cred
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(OM_uint32 *minor_status,
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gss_cred_id_t cred_handle,
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gss_name_t *name,
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OM_uint32 *lifetime,
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gss_cred_usage_t *cred_usage,
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gss_OID_set *mechanisms) {
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CredHandle* cred = (CredHandle*)cred_handle;
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SECURITY_STATUS ss;
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if (name) {
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SecPkgCredentials_Names* names = new SecPkgCredentials_Names();
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ss = QueryCredentialsAttributes(cred, SECPKG_CRED_ATTR_NAMES, names);
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*name = (gss_name_t) names;
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}
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// Others inquiries not supported yet
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return GSS_S_COMPLETE;
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}
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__declspec(dllexport) OM_uint32 gss_import_sec_context
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(OM_uint32 *minor_status,
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gss_buffer_t interprocess_token,
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gss_ctx_id_t *context_handle) {
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return GSS_S_FAILURE;
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}
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void FillContextAfterEstablished(Context *pc) {
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QueryContextAttributes(&pc->hCtxt, SECPKG_ATTR_SIZES,
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&pc->SecPkgContextSizes);
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}
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SECURITY_STATUS GenClientContext(
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Context *pc,
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int flag,
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BYTE *pIn,
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size_t cbIn,
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BYTE *pOut,
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size_t *pcbOut,
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BOOL *pfDone,
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ULONG *pOutFlag,
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TCHAR *pszTarget) {
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SECURITY_STATUS ss;
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TimeStamp Lifetime;
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SecBufferDesc OutBuffDesc;
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SecBuffer OutSecBuff;
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SecBufferDesc InBuffDesc;
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SecBuffer InSecBuff;
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OutBuffDesc.ulVersion = SECBUFFER_VERSION;
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OutBuffDesc.cBuffers = 1;
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OutBuffDesc.pBuffers = &OutSecBuff;
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OutSecBuff.cbBuffer = (ULONG)*pcbOut;
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OutSecBuff.BufferType = SECBUFFER_TOKEN;
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OutSecBuff.pvBuffer = pOut;
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PP2("TARGET: %ls %ls\n", pszTarget, pc->PackageName);
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PP2("flag: %x [%ls]\n", flag, pszTarget);
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if (pIn) {
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InBuffDesc.ulVersion = SECBUFFER_VERSION;
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InBuffDesc.cBuffers = 1;
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InBuffDesc.pBuffers = &InSecBuff;
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InSecBuff.cbBuffer = (ULONG)cbIn;
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InSecBuff.BufferType = SECBUFFER_TOKEN;
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InSecBuff.pvBuffer = pIn;
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ss = InitializeSecurityContext(
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pc->phCred,
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&pc->hCtxt,
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pszTarget,
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flag,
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0,
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SECURITY_NATIVE_DREP,
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&InBuffDesc,
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0,
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&pc->hCtxt,
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&OutBuffDesc,
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pOutFlag,
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&Lifetime);
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} else {
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if (!pc->phCred) {
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PP("No credentials provided, acquire automatically");
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ss = AcquireCredentialsHandle(
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NULL,
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pc->PackageName,
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SECPKG_CRED_OUTBOUND,
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NULL,
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NULL,
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NULL,
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NULL,
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pc->phCred,
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&Lifetime);
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PP("end");
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if (!(SEC_SUCCESS(ss))) {
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PP("Failed");
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return ss;
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}
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} else {
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PP("Credentials OK");
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}
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ss = InitializeSecurityContext(
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pc->phCred,
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NULL,
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pszTarget,
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flag,
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0,
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SECURITY_NATIVE_DREP,
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NULL,
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0,
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&pc->hCtxt,
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&OutBuffDesc,
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pOutFlag,
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&Lifetime);
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}
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if (!SEC_SUCCESS(ss)) {
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PP("InitializeSecurityContext Failed");
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return ss;
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}
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//-------------------------------------------------------------------
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// If necessary, complete the token.
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if ((SEC_I_COMPLETE_NEEDED == ss)
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|| (SEC_I_COMPLETE_AND_CONTINUE == ss)) {
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ss = CompleteAuthToken(&pc->hCtxt, &OutBuffDesc);
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if (!SEC_SUCCESS(ss)) {
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return ss;
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}
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}
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*pcbOut = OutSecBuff.cbBuffer;
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*pfDone = !((SEC_I_CONTINUE_NEEDED == ss) ||
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(SEC_I_COMPLETE_AND_CONTINUE == ss));
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return ss;
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}
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Context* NewContext(TCHAR* PackageName) {
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SECURITY_STATUS ss;
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PSecPkgInfo pkgInfo;
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Context* out = (Context*)malloc(sizeof(Context));
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ss = QuerySecurityPackageInfo(
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PackageName,
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&pkgInfo);
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if (!SEC_SUCCESS(ss)) {
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return NULL;
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}
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out->phCred = NULL;
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out->cbMaxMessage = pkgInfo->cbMaxToken;
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PP2(" QuerySecurityPackageInfo %ls goes %ld\n", PackageName, out->cbMaxMessage);
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wcscpy(out->PackageName, PackageName);
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FreeContextBuffer(pkgInfo);
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return out;
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}
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int flagSspi2Gss(int fin) {
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int fout = 0;
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if (fin & ISC_REQ_MUTUAL_AUTH) fout |= GSS_C_MUTUAL_FLAG;
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if (fin & ISC_REQ_CONFIDENTIALITY) fout |= GSS_C_CONF_FLAG;
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if (fin & ISC_REQ_DELEGATE) fout |= GSS_C_DELEG_FLAG;
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if (fin & ISC_REQ_INTEGRITY) fout |= GSS_C_INTEG_FLAG;
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if (fin & ISC_REQ_REPLAY_DETECT) fout |= GSS_C_REPLAY_FLAG;
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if (fin & ISC_REQ_SEQUENCE_DETECT) fout |= GSS_C_SEQUENCE_FLAG;
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return fout;
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}
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int flagGss2Sspi(int fin) {
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|
379 |
int fout = 0;
|
|
380 |
if (fin & GSS_C_MUTUAL_FLAG) fout |= ISC_RET_MUTUAL_AUTH;
|
|
381 |
if (fin & GSS_C_CONF_FLAG) fout |= ISC_RET_CONFIDENTIALITY;
|
|
382 |
if (fin & GSS_C_DELEG_FLAG) fout |= ISC_RET_DELEGATE;
|
|
383 |
if (fin & GSS_C_INTEG_FLAG) fout |= ISC_RET_INTEGRITY;
|
|
384 |
if (fin & GSS_C_REPLAY_FLAG) fout |= ISC_RET_REPLAY_DETECT;
|
|
385 |
if (fin & GSS_C_SEQUENCE_FLAG) fout |= ISC_RET_SEQUENCE_DETECT;
|
|
386 |
return fout;
|
|
387 |
}
|
|
388 |
|
|
389 |
__declspec(dllexport) OM_uint32 gss_init_sec_context
|
|
390 |
(OM_uint32 *minor_status,
|
|
391 |
gss_cred_id_t initiator_cred_handle,
|
|
392 |
gss_ctx_id_t *context_handle,
|
|
393 |
gss_name_t target_name,
|
|
394 |
gss_OID mech_type,
|
|
395 |
OM_uint32 req_flags,
|
|
396 |
OM_uint32 time_req,
|
|
397 |
gss_channel_bindings_t input_chan_bindings,
|
|
398 |
gss_buffer_t input_token,
|
|
399 |
gss_OID *actual_mech_type,
|
|
400 |
gss_buffer_t output_token,
|
|
401 |
OM_uint32 *ret_flags,
|
|
402 |
OM_uint32 *time_rec) {
|
|
403 |
SECURITY_STATUS ss;
|
|
404 |
|
|
405 |
Context* pc;
|
|
406 |
if (input_token->length == 0) {
|
|
407 |
pc = NewContext(L"Kerberos");
|
|
408 |
pc->phCred = (CredHandle*)initiator_cred_handle;
|
|
409 |
*context_handle = (gss_ctx_id_t) pc;
|
|
410 |
} else {
|
|
411 |
pc = (Context*)*context_handle;
|
|
412 |
}
|
|
413 |
|
|
414 |
output_token->length = pc->cbMaxMessage;
|
|
415 |
output_token->value = new char[pc->cbMaxMessage];
|
|
416 |
|
|
417 |
DWORD outFlag;
|
|
418 |
TCHAR outName[100];
|
|
419 |
|
|
420 |
OM_uint32 minor;
|
|
421 |
gss_buffer_desc tn;
|
|
422 |
gss_display_name(&minor, target_name, &tn, NULL);
|
|
423 |
MultiByteToWideChar(CP_ACP, 0, (LPCCH)tn.value, (int)tn.length, outName, (int)tn.length);
|
|
424 |
outName[tn.length] = 0;
|
|
425 |
|
|
426 |
BOOL pfDone;
|
|
427 |
ss = GenClientContext(
|
|
428 |
pc, flagGss2Sspi(req_flags),
|
|
429 |
(BYTE*)input_token->value, input_token->length,
|
|
430 |
(BYTE*)output_token->value, &(output_token->length),
|
|
431 |
&pfDone, &outFlag,
|
|
432 |
(TCHAR*)outName);
|
|
433 |
if (ss == SEC_E_OK) FillContextAfterEstablished(pc);
|
|
434 |
outFlag = flagSspi2Gss(outFlag);
|
|
435 |
|
|
436 |
if (!SEC_SUCCESS(ss)) {
|
|
437 |
return GSS_S_FAILURE;
|
|
438 |
}
|
|
439 |
|
|
440 |
*ret_flags = (OM_uint32)outFlag;
|
|
441 |
if (ss == SEC_I_CONTINUE_NEEDED) {
|
|
442 |
return GSS_S_CONTINUE_NEEDED;
|
|
443 |
} else {
|
|
444 |
*ret_flags |= GSS_C_PROT_READY_FLAG;
|
|
445 |
return GSS_S_COMPLETE;
|
|
446 |
}
|
|
447 |
}
|
|
448 |
|
|
449 |
__declspec(dllexport) OM_uint32 gss_accept_sec_context
|
|
450 |
(OM_uint32 *minor_status,
|
|
451 |
gss_ctx_id_t *context_handle,
|
|
452 |
gss_cred_id_t acceptor_cred_handle,
|
|
453 |
gss_buffer_t input_token,
|
|
454 |
gss_channel_bindings_t input_chan_bindings,
|
|
455 |
gss_name_t *src_name,
|
|
456 |
gss_OID *mech_type,
|
|
457 |
gss_buffer_t output_token,
|
|
458 |
OM_uint32 *ret_flags,
|
|
459 |
OM_uint32 *time_rec,
|
|
460 |
gss_cred_id_t *delegated_cred_handle) {
|
|
461 |
return GSS_S_FAILURE;
|
|
462 |
}
|
|
463 |
|
|
464 |
__declspec(dllexport) OM_uint32 gss_inquire_context
|
|
465 |
(OM_uint32 *minor_status,
|
|
466 |
gss_ctx_id_t context_handle,
|
|
467 |
gss_name_t *src_name,
|
|
468 |
gss_name_t *targ_name,
|
|
469 |
OM_uint32 *lifetime_rec,
|
|
470 |
gss_OID *mech_type,
|
|
471 |
OM_uint32 *ctx_flags,
|
|
472 |
int *locally_initiated,
|
|
473 |
int *open) {
|
|
474 |
Context* pc = (Context*) context_handle;
|
|
475 |
return GSS_S_FAILURE;
|
|
476 |
}
|
|
477 |
|
|
478 |
__declspec(dllexport) OM_uint32 gss_delete_sec_context
|
|
479 |
(OM_uint32 *minor_status,
|
|
480 |
gss_ctx_id_t *context_handle,
|
|
481 |
gss_buffer_t output_token) {
|
|
482 |
return GSS_S_FAILURE;
|
|
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;
|
|
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;
|
|
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;
|
|
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
|