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/*
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* Copyright 2000-2004 Sun Microsystems, Inc. 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. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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#include <jni.h>
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#include "com_sun_security_auth_module_NTSystem.h"
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#include <windows.h>
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#include <stdio.h>
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#include <wchar.h>
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#include <ntsecapi.h>
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#include <lmerr.h>
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static BOOL debug = FALSE;
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BOOL getToken(PHANDLE);
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BOOL getUser(HANDLE tokenHandle, LPTSTR *userName,
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LPTSTR *domainName, LPTSTR *userSid, LPTSTR *domainSid);
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BOOL getPrimaryGroup(HANDLE tokenHandle, LPTSTR *primaryGroup);
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BOOL getGroups(HANDLE tokenHandle, PDWORD numGroups, LPTSTR **groups);
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BOOL getImpersonationToken(PHANDLE impersonationToken);
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BOOL getTextualSid(PSID pSid, LPTSTR TextualSid, LPDWORD lpdwBufferLen);
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void DisplayErrorText(DWORD dwLastError);
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JNIEXPORT void JNICALL
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Java_com_sun_security_auth_module_NTSystem_getCurrent
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(JNIEnv *env, jobject obj, jboolean debugNative) {
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long i, j = 0;
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HANDLE tokenHandle = INVALID_HANDLE_VALUE;
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BOOL systemError = FALSE;
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LPTSTR userName = NULL; // user name
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LPTSTR userSid = NULL; // user sid
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LPTSTR domainName = NULL; // domain name
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LPTSTR domainSid = NULL; // domain sid
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LPTSTR primaryGroup = NULL; // primary group sid
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DWORD numGroups = 0; // num groups
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LPTSTR *groups = NULL; // groups array
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long pIndex = -1; // index of primaryGroup in groups array
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HANDLE impersonationToken = 0; // impersonation token
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jfieldID fid;
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jstring jstr;
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jobjectArray jgroups;
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jclass stringClass = 0;
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jclass cls = (*env)->GetObjectClass(env, obj);
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debug = debugNative;
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// get NT information first
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if (debug) {
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printf("getting access token\n");
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}
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if (getToken(&tokenHandle) == FALSE) {
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return;
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}
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if (debug) {
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printf("getting user info\n");
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}
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if (getUser
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(tokenHandle, &userName, &domainName, &userSid, &domainSid) == FALSE) {
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return;
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}
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if (debug) {
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printf("getting primary group\n");
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}
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if (getPrimaryGroup(tokenHandle, &primaryGroup) == FALSE) {
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return;
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}
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if (debug) {
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printf("getting supplementary groups\n");
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}
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if (getGroups(tokenHandle, &numGroups, &groups) == FALSE) {
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return;
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}
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if (debug) {
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printf("getting impersonation token\n");
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}
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if (getImpersonationToken(&impersonationToken) == FALSE) {
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return;
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}
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// then set values into NTSystem
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fid = (*env)->GetFieldID(env, cls, "userName", "Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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// Unable to find exception class
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systemError = TRUE;
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goto out;
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}
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(*env)->ThrowNew(env, newExcCls, "invalid field: userName");
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}
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jstr = (*env)->NewStringUTF(env, userName);
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(*env)->SetObjectField(env, obj, fid, jstr);
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fid = (*env)->GetFieldID(env, cls, "userSID", "Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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systemError = TRUE;
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goto out;
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}
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(*env)->ThrowNew(env, newExcCls, "invalid field: userSID");
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}
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jstr = (*env)->NewStringUTF(env, userSid);
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(*env)->SetObjectField(env, obj, fid, jstr);
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fid = (*env)->GetFieldID(env, cls, "domain", "Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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systemError = TRUE;
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goto out;
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}
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(*env)->ThrowNew(env, newExcCls, "invalid field: domain");
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}
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jstr = (*env)->NewStringUTF(env, domainName);
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(*env)->SetObjectField(env, obj, fid, jstr);
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if (domainSid != NULL) {
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fid = (*env)->GetFieldID(env, cls, "domainSID", "Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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systemError = TRUE;
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goto out;
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}
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(*env)->ThrowNew(env, newExcCls, "invalid field: domainSID");
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}
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jstr = (*env)->NewStringUTF(env, domainSid);
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(*env)->SetObjectField(env, obj, fid, jstr);
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}
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fid = (*env)->GetFieldID(env, cls, "primaryGroupID", "Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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systemError = TRUE;
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goto out;
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}
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(*env)->ThrowNew(env, newExcCls, "invalid field: PrimaryGroupID");
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}
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jstr = (*env)->NewStringUTF(env, primaryGroup);
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(*env)->SetObjectField(env, obj, fid, jstr);
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// primary group may or may not be part of supplementary groups
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for (i = 0; i < (long)numGroups; i++) {
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if (strcmp(primaryGroup, groups[i]) == 0) {
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// found primary group in groups array
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pIndex = i;
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break;
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}
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}
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if (numGroups == 0 || (pIndex == 0 && numGroups == 1)) {
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// primary group is only group in groups array
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if (debug) {
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printf("no secondary groups\n");
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}
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} else {
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// the groups array is non-empty,
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// and may or may not contain the primary group
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199 |
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fid = (*env)->GetFieldID(env, cls, "groupIDs", "[Ljava/lang/String;");
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if (fid == 0) {
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jclass newExcCls =
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(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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if (newExcCls == 0) {
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systemError = TRUE;
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goto out;
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207 |
}
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(*env)->ThrowNew(env, newExcCls, "invalid field: groupIDs");
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209 |
}
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210 |
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211 |
stringClass = (*env)->FindClass(env, "java/lang/String");
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212 |
if (stringClass == 0) {
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goto out;
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}
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215 |
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216 |
if (pIndex == -1) {
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// primary group not in groups array
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jgroups = (*env)->NewObjectArray(env, numGroups, stringClass, 0);
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} else {
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220 |
// primary group in groups array -
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// allocate one less array entry and do not add into new array
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222 |
jgroups = (*env)->NewObjectArray(env, numGroups-1, stringClass, 0);
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223 |
}
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224 |
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225 |
for (i = 0, j = 0; i < (long)numGroups; i++) {
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226 |
if (pIndex == i) {
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227 |
// continue if equal to primary group
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228 |
continue;
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229 |
}
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jstr = (*env)->NewStringUTF(env, groups[i]);
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231 |
(*env)->SetObjectArrayElement(env, jgroups, j++, jstr);
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232 |
}
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233 |
(*env)->SetObjectField(env, obj, fid, jgroups);
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234 |
}
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235 |
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236 |
fid = (*env)->GetFieldID(env, cls, "impersonationToken", "J");
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237 |
if (fid == 0) {
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238 |
jclass newExcCls =
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239 |
(*env)->FindClass(env, "java/lang/IllegalArgumentException");
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240 |
if (newExcCls == 0) {
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241 |
systemError = TRUE;
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242 |
goto out;
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243 |
}
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244 |
(*env)->ThrowNew(env, newExcCls, "invalid field: impersonationToken");
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245 |
}
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246 |
(*env)->SetLongField(env, obj, fid, (jlong)impersonationToken);
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247 |
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248 |
out:
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249 |
if (userName != NULL) {
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250 |
HeapFree(GetProcessHeap(), 0, userName);
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251 |
}
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252 |
if (domainName != NULL) {
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253 |
HeapFree(GetProcessHeap(), 0, domainName);
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254 |
}
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255 |
if (userSid != NULL) {
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256 |
HeapFree(GetProcessHeap(), 0, userSid);
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257 |
}
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258 |
if (domainSid != NULL) {
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259 |
HeapFree(GetProcessHeap(), 0, domainSid);
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260 |
}
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261 |
if (primaryGroup != NULL) {
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262 |
HeapFree(GetProcessHeap(), 0, primaryGroup);
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263 |
}
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264 |
if (groups != NULL) {
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265 |
for (i = 0; i < (long)numGroups; i++) {
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266 |
if (groups[i] != NULL) {
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267 |
HeapFree(GetProcessHeap(), 0, groups[i]);
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268 |
}
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269 |
}
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270 |
HeapFree(GetProcessHeap(), 0, groups);
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271 |
}
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272 |
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273 |
if (systemError && debug) {
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274 |
printf(" [getCurrent] System Error: ");
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275 |
printf("unable to find IllegalArgumentException class\n");
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276 |
}
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277 |
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|
278 |
return;
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|
279 |
}
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|
280 |
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281 |
BOOL getToken(PHANDLE tokenHandle) {
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282 |
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|
283 |
// first try the thread token
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|
284 |
if (OpenThreadToken(GetCurrentThread(),
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285 |
TOKEN_READ,
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286 |
FALSE,
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|
287 |
tokenHandle) == 0) {
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|
288 |
if (debug) {
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|
289 |
printf(" [getToken] OpenThreadToken error [%d]: ", GetLastError());
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290 |
DisplayErrorText(GetLastError());
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291 |
}
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292 |
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|
293 |
// next try the process token
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|
294 |
if (OpenProcessToken(GetCurrentProcess(),
|
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|
295 |
TOKEN_READ,
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|
296 |
tokenHandle) == 0) {
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|
297 |
if (debug) {
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|
298 |
printf(" [getToken] OpenProcessToken error [%d]: ",
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|
299 |
GetLastError());
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|
300 |
DisplayErrorText(GetLastError());
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|
301 |
}
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|
302 |
return FALSE;
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|
303 |
}
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|
304 |
}
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|
305 |
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|
306 |
if (debug) {
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|
307 |
printf(" [getToken] got user access token\n");
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|
308 |
}
|
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|
309 |
|
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|
310 |
return TRUE;
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|
311 |
}
|
|
|
312 |
|
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|
313 |
BOOL getUser(HANDLE tokenHandle, LPTSTR *userName,
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|
314 |
LPTSTR *domainName, LPTSTR *userSid, LPTSTR *domainSid) {
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|
315 |
|
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|
316 |
BOOL error = FALSE;
|
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|
317 |
DWORD bufSize = 0;
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|
318 |
DWORD buf2Size = 0;
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|
319 |
DWORD retBufSize = 0;
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|
320 |
PTOKEN_USER tokenUserInfo = NULL; // getTokenInformation
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|
321 |
SID_NAME_USE nameUse; // LookupAccountSid
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|
322 |
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|
323 |
PSID dSid = NULL;
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|
324 |
LPTSTR domainSidName = NULL;
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|
325 |
|
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|
326 |
// get token information
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|
327 |
GetTokenInformation(tokenHandle,
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|
328 |
TokenUser,
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|
329 |
NULL, // TokenInformation - if NULL get buffer size
|
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|
330 |
0, // since TokenInformation is NULL
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|
331 |
&bufSize);
|
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|
332 |
|
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|
333 |
tokenUserInfo = (PTOKEN_USER)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
334 |
if (GetTokenInformation(tokenHandle,
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|
335 |
TokenUser,
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|
336 |
tokenUserInfo,
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|
337 |
bufSize,
|
|
|
338 |
&retBufSize) == 0) {
|
|
|
339 |
if (debug) {
|
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|
340 |
printf(" [getUser] GetTokenInformation error [%d]: ",
|
|
|
341 |
GetLastError());
|
|
|
342 |
DisplayErrorText(GetLastError());
|
|
|
343 |
}
|
|
|
344 |
error = TRUE;
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|
345 |
goto out;
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|
346 |
}
|
|
|
347 |
|
|
|
348 |
if (debug) {
|
|
|
349 |
printf(" [getUser] Got TokenUser info\n");
|
|
|
350 |
}
|
|
|
351 |
|
|
|
352 |
// get userName
|
|
|
353 |
bufSize = 0;
|
|
|
354 |
buf2Size = 0;
|
|
|
355 |
LookupAccountSid(NULL, // local host
|
|
|
356 |
tokenUserInfo->User.Sid,
|
|
|
357 |
NULL,
|
|
|
358 |
&bufSize,
|
|
|
359 |
NULL,
|
|
|
360 |
&buf2Size,
|
|
|
361 |
&nameUse);
|
|
|
362 |
|
|
|
363 |
*userName = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
364 |
*domainName = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, buf2Size);
|
|
|
365 |
if (LookupAccountSid(NULL, // local host
|
|
|
366 |
tokenUserInfo->User.Sid,
|
|
|
367 |
*userName,
|
|
|
368 |
&bufSize,
|
|
|
369 |
*domainName,
|
|
|
370 |
&buf2Size,
|
|
|
371 |
&nameUse) == 0) {
|
|
|
372 |
if (debug) {
|
|
|
373 |
printf(" [getUser] LookupAccountSid error [%d]: ",
|
|
|
374 |
GetLastError());
|
|
|
375 |
DisplayErrorText(GetLastError());
|
|
|
376 |
}
|
|
|
377 |
error = TRUE;
|
|
|
378 |
goto out;
|
|
|
379 |
}
|
|
|
380 |
|
|
|
381 |
if (debug) {
|
|
|
382 |
printf(" [getUser] userName: %s, domainName = %s\n",
|
|
|
383 |
*userName, *domainName);
|
|
|
384 |
}
|
|
|
385 |
|
|
|
386 |
bufSize = 0;
|
|
|
387 |
getTextualSid(tokenUserInfo->User.Sid, NULL, &bufSize);
|
|
|
388 |
*userSid = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
389 |
getTextualSid(tokenUserInfo->User.Sid, *userSid, &bufSize);
|
|
|
390 |
if (debug) {
|
|
|
391 |
printf(" [getUser] userSid: %s\n", *userSid);
|
|
|
392 |
}
|
|
|
393 |
|
|
|
394 |
// get domainSid
|
|
|
395 |
bufSize = 0;
|
|
|
396 |
buf2Size = 0;
|
|
|
397 |
LookupAccountName(NULL, // local host
|
|
|
398 |
*domainName,
|
|
|
399 |
NULL,
|
|
|
400 |
&bufSize,
|
|
|
401 |
NULL,
|
|
|
402 |
&buf2Size,
|
|
|
403 |
&nameUse);
|
|
|
404 |
|
|
|
405 |
dSid = (PSID)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
406 |
domainSidName = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, buf2Size);
|
|
|
407 |
if (LookupAccountName(NULL, // local host
|
|
|
408 |
*domainName,
|
|
|
409 |
dSid,
|
|
|
410 |
&bufSize,
|
|
|
411 |
domainSidName,
|
|
|
412 |
&buf2Size,
|
|
|
413 |
&nameUse) == 0) {
|
|
|
414 |
if (debug) {
|
|
|
415 |
printf(" [getUser] LookupAccountName error [%d]: ",
|
|
|
416 |
GetLastError());
|
|
|
417 |
DisplayErrorText(GetLastError());
|
|
|
418 |
}
|
|
|
419 |
// ok not to have a domain SID (no error)
|
|
|
420 |
goto out;
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
bufSize = 0;
|
|
|
424 |
getTextualSid(dSid, NULL, &bufSize);
|
|
|
425 |
*domainSid = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
426 |
getTextualSid(dSid, *domainSid, &bufSize);
|
|
|
427 |
if (debug) {
|
|
|
428 |
printf(" [getUser] domainSid: %s\n", *domainSid);
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
out:
|
|
|
432 |
if (tokenUserInfo != NULL) {
|
|
|
433 |
HeapFree(GetProcessHeap(), 0, tokenUserInfo);
|
|
|
434 |
}
|
|
|
435 |
if (dSid != NULL) {
|
|
|
436 |
HeapFree(GetProcessHeap(), 0, dSid);
|
|
|
437 |
}
|
|
|
438 |
if (domainSidName != NULL) {
|
|
|
439 |
HeapFree(GetProcessHeap(), 0, domainSidName);
|
|
|
440 |
}
|
|
|
441 |
if (error) {
|
|
|
442 |
return FALSE;
|
|
|
443 |
}
|
|
|
444 |
return TRUE;
|
|
|
445 |
}
|
|
|
446 |
|
|
|
447 |
BOOL getPrimaryGroup(HANDLE tokenHandle, LPTSTR *primaryGroup) {
|
|
|
448 |
|
|
|
449 |
BOOL error = FALSE;
|
|
|
450 |
DWORD bufSize = 0;
|
|
|
451 |
DWORD retBufSize = 0;
|
|
|
452 |
|
|
|
453 |
PTOKEN_PRIMARY_GROUP tokenGroupInfo = NULL;
|
|
|
454 |
|
|
|
455 |
// get token information
|
|
|
456 |
GetTokenInformation(tokenHandle,
|
|
|
457 |
TokenPrimaryGroup,
|
|
|
458 |
NULL, // TokenInformation - if NULL get buffer size
|
|
|
459 |
0, // since TokenInformation is NULL
|
|
|
460 |
&bufSize);
|
|
|
461 |
|
|
|
462 |
tokenGroupInfo = (PTOKEN_PRIMARY_GROUP)HeapAlloc
|
|
|
463 |
(GetProcessHeap(), 0, bufSize);
|
|
|
464 |
if (GetTokenInformation(tokenHandle,
|
|
|
465 |
TokenPrimaryGroup,
|
|
|
466 |
tokenGroupInfo,
|
|
|
467 |
bufSize,
|
|
|
468 |
&retBufSize) == 0) {
|
|
|
469 |
if (debug) {
|
|
|
470 |
printf(" [getPrimaryGroup] GetTokenInformation error [%d]: ",
|
|
|
471 |
GetLastError());
|
|
|
472 |
DisplayErrorText(GetLastError());
|
|
|
473 |
}
|
|
|
474 |
error = TRUE;
|
|
|
475 |
goto out;
|
|
|
476 |
}
|
|
|
477 |
|
|
|
478 |
if (debug) {
|
|
|
479 |
printf(" [getPrimaryGroup] Got TokenPrimaryGroup info\n");
|
|
|
480 |
}
|
|
|
481 |
|
|
|
482 |
bufSize = 0;
|
|
|
483 |
getTextualSid(tokenGroupInfo->PrimaryGroup, NULL, &bufSize);
|
|
|
484 |
*primaryGroup = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
485 |
getTextualSid(tokenGroupInfo->PrimaryGroup, *primaryGroup, &bufSize);
|
|
|
486 |
if (debug) {
|
|
|
487 |
printf(" [getPrimaryGroup] primaryGroup: %s\n", *primaryGroup);
|
|
|
488 |
}
|
|
|
489 |
|
|
|
490 |
out:
|
|
|
491 |
if (tokenGroupInfo != NULL) {
|
|
|
492 |
HeapFree(GetProcessHeap(), 0, tokenGroupInfo);
|
|
|
493 |
}
|
|
|
494 |
if (error) {
|
|
|
495 |
return FALSE;
|
|
|
496 |
}
|
|
|
497 |
return TRUE;
|
|
|
498 |
}
|
|
|
499 |
|
|
|
500 |
BOOL getGroups(HANDLE tokenHandle, PDWORD numGroups, LPTSTR **groups) {
|
|
|
501 |
|
|
|
502 |
BOOL error = FALSE;
|
|
|
503 |
DWORD bufSize = 0;
|
|
|
504 |
DWORD retBufSize = 0;
|
|
|
505 |
long i = 0;
|
|
|
506 |
|
|
|
507 |
PTOKEN_GROUPS tokenGroupInfo = NULL;
|
|
|
508 |
|
|
|
509 |
// get token information
|
|
|
510 |
GetTokenInformation(tokenHandle,
|
|
|
511 |
TokenGroups,
|
|
|
512 |
NULL, // TokenInformation - if NULL get buffer size
|
|
|
513 |
0, // since TokenInformation is NULL
|
|
|
514 |
&bufSize);
|
|
|
515 |
|
|
|
516 |
tokenGroupInfo = (PTOKEN_GROUPS)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
517 |
if (GetTokenInformation(tokenHandle,
|
|
|
518 |
TokenGroups,
|
|
|
519 |
tokenGroupInfo,
|
|
|
520 |
bufSize,
|
|
|
521 |
&retBufSize) == 0) {
|
|
|
522 |
if (debug) {
|
|
|
523 |
printf(" [getGroups] GetTokenInformation error [%d]: ",
|
|
|
524 |
GetLastError());
|
|
|
525 |
DisplayErrorText(GetLastError());
|
|
|
526 |
}
|
|
|
527 |
error = TRUE;
|
|
|
528 |
goto out;
|
|
|
529 |
}
|
|
|
530 |
|
|
|
531 |
if (debug) {
|
|
|
532 |
printf(" [getGroups] Got TokenGroups info\n");
|
|
|
533 |
}
|
|
|
534 |
|
|
|
535 |
if (tokenGroupInfo->GroupCount == 0) {
|
|
|
536 |
// no groups
|
|
|
537 |
goto out;
|
|
|
538 |
}
|
|
|
539 |
|
|
|
540 |
// return group info
|
|
|
541 |
*numGroups = tokenGroupInfo->GroupCount;
|
|
|
542 |
*groups = (LPTSTR *)HeapAlloc
|
|
|
543 |
(GetProcessHeap(), 0, (*numGroups) * sizeof(LPTSTR));
|
|
|
544 |
for (i = 0; i < (long)*numGroups; i++) {
|
|
|
545 |
bufSize = 0;
|
|
|
546 |
getTextualSid(tokenGroupInfo->Groups[i].Sid, NULL, &bufSize);
|
|
|
547 |
(*groups)[i] = (LPTSTR)HeapAlloc(GetProcessHeap(), 0, bufSize);
|
|
|
548 |
getTextualSid(tokenGroupInfo->Groups[i].Sid, (*groups)[i], &bufSize);
|
|
|
549 |
if (debug) {
|
|
|
550 |
printf(" [getGroups] group %d: %s\n", i, (*groups)[i]);
|
|
|
551 |
}
|
|
|
552 |
}
|
|
|
553 |
|
|
|
554 |
out:
|
|
|
555 |
if (tokenGroupInfo != NULL) {
|
|
|
556 |
HeapFree(GetProcessHeap(), 0, tokenGroupInfo);
|
|
|
557 |
}
|
|
|
558 |
if (error) {
|
|
|
559 |
return FALSE;
|
|
|
560 |
}
|
|
|
561 |
return TRUE;
|
|
|
562 |
}
|
|
|
563 |
|
|
|
564 |
BOOL getImpersonationToken(PHANDLE impersonationToken) {
|
|
|
565 |
|
|
|
566 |
HANDLE dupToken;
|
|
|
567 |
|
|
|
568 |
if (OpenThreadToken(GetCurrentThread(),
|
|
|
569 |
TOKEN_DUPLICATE,
|
|
|
570 |
FALSE,
|
|
|
571 |
&dupToken) == 0) {
|
|
|
572 |
if (OpenProcessToken(GetCurrentProcess(),
|
|
|
573 |
TOKEN_DUPLICATE,
|
|
|
574 |
&dupToken) == 0) {
|
|
|
575 |
if (debug) {
|
|
|
576 |
printf
|
|
|
577 |
(" [getImpersonationToken] OpenProcessToken error [%d]: ",
|
|
|
578 |
GetLastError());
|
|
|
579 |
DisplayErrorText(GetLastError());
|
|
|
580 |
}
|
|
|
581 |
return FALSE;
|
|
|
582 |
}
|
|
|
583 |
}
|
|
|
584 |
|
|
|
585 |
if (DuplicateToken(dupToken,
|
|
|
586 |
SecurityImpersonation,
|
|
|
587 |
impersonationToken) == 0) {
|
|
|
588 |
if (debug) {
|
|
|
589 |
printf(" [getImpersonationToken] DuplicateToken error [%d]: ",
|
|
|
590 |
GetLastError());
|
|
|
591 |
DisplayErrorText(GetLastError());
|
|
|
592 |
}
|
|
|
593 |
return FALSE;
|
|
|
594 |
}
|
|
|
595 |
|
|
|
596 |
if (debug) {
|
|
|
597 |
printf(" [getImpersonationToken] token = %d\n", *impersonationToken);
|
|
|
598 |
}
|
|
|
599 |
return TRUE;
|
|
|
600 |
}
|
|
|
601 |
|
|
|
602 |
BOOL getTextualSid
|
|
|
603 |
(PSID pSid, // binary SID
|
|
|
604 |
LPTSTR TextualSid, // buffer for Textual representation of SID
|
|
|
605 |
LPDWORD lpdwBufferLen) { // required/provided TextualSid buffersize
|
|
|
606 |
|
|
|
607 |
PSID_IDENTIFIER_AUTHORITY psia;
|
|
|
608 |
DWORD dwSubAuthorities;
|
|
|
609 |
DWORD dwSidRev=SID_REVISION;
|
|
|
610 |
DWORD dwCounter;
|
|
|
611 |
DWORD dwSidSize;
|
|
|
612 |
|
|
|
613 |
// Validate the binary SID.
|
|
|
614 |
if(!IsValidSid(pSid)) return FALSE;
|
|
|
615 |
|
|
|
616 |
// Get the identifier authority value from the SID.
|
|
|
617 |
psia = GetSidIdentifierAuthority(pSid);
|
|
|
618 |
|
|
|
619 |
// Get the number of subauthorities in the SID.
|
|
|
620 |
dwSubAuthorities = *GetSidSubAuthorityCount(pSid);
|
|
|
621 |
|
|
|
622 |
// Compute the buffer length.
|
|
|
623 |
// S-SID_REVISION- + IdentifierAuthority- + subauthorities- + NULL
|
|
|
624 |
dwSidSize=(15 + 12 + (12 * dwSubAuthorities) + 1) * sizeof(TCHAR);
|
|
|
625 |
|
|
|
626 |
// Check input buffer length.
|
|
|
627 |
// If too small, indicate the proper size and set last error.
|
|
|
628 |
if (*lpdwBufferLen < dwSidSize) {
|
|
|
629 |
*lpdwBufferLen = dwSidSize;
|
|
|
630 |
SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|
|
631 |
return FALSE;
|
|
|
632 |
}
|
|
|
633 |
|
|
|
634 |
// Add 'S' prefix and revision number to the string.
|
|
|
635 |
dwSidSize=wsprintf(TextualSid, TEXT("S-%lu-"), dwSidRev );
|
|
|
636 |
|
|
|
637 |
// Add SID identifier authority to the string.
|
|
|
638 |
if ((psia->Value[0] != 0) || (psia->Value[1] != 0)) {
|
|
|
639 |
dwSidSize+=wsprintf(TextualSid + lstrlen(TextualSid),
|
|
|
640 |
TEXT("0x%02hx%02hx%02hx%02hx%02hx%02hx"),
|
|
|
641 |
(USHORT)psia->Value[0],
|
|
|
642 |
(USHORT)psia->Value[1],
|
|
|
643 |
(USHORT)psia->Value[2],
|
|
|
644 |
(USHORT)psia->Value[3],
|
|
|
645 |
(USHORT)psia->Value[4],
|
|
|
646 |
(USHORT)psia->Value[5]);
|
|
|
647 |
} else {
|
|
|
648 |
dwSidSize+=wsprintf(TextualSid + lstrlen(TextualSid),
|
|
|
649 |
TEXT("%lu"),
|
|
|
650 |
(ULONG)(psia->Value[5] ) +
|
|
|
651 |
(ULONG)(psia->Value[4] << 8) +
|
|
|
652 |
(ULONG)(psia->Value[3] << 16) +
|
|
|
653 |
(ULONG)(psia->Value[2] << 24) );
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
// Add SID subauthorities to the string.
|
|
|
657 |
for (dwCounter=0 ; dwCounter < dwSubAuthorities ; dwCounter++) {
|
|
|
658 |
dwSidSize+=wsprintf(TextualSid + dwSidSize, TEXT("-%lu"),
|
|
|
659 |
*GetSidSubAuthority(pSid, dwCounter) );
|
|
|
660 |
}
|
|
|
661 |
|
|
|
662 |
return TRUE;
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
void DisplayErrorText(DWORD dwLastError) {
|
|
|
666 |
HMODULE hModule = NULL; // default to system source
|
|
|
667 |
LPSTR MessageBuffer;
|
|
|
668 |
DWORD dwBufferLength;
|
|
|
669 |
|
|
|
670 |
DWORD dwFormatFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
|
|
|
671 |
FORMAT_MESSAGE_IGNORE_INSERTS |
|
|
|
672 |
FORMAT_MESSAGE_FROM_SYSTEM ;
|
|
|
673 |
|
|
|
674 |
//
|
|
|
675 |
// If dwLastError is in the network range,
|
|
|
676 |
// load the message source.
|
|
|
677 |
//
|
|
|
678 |
|
|
|
679 |
if(dwLastError >= NERR_BASE && dwLastError <= MAX_NERR) {
|
|
|
680 |
hModule = LoadLibraryEx(TEXT("netmsg.dll"),
|
|
|
681 |
NULL,
|
|
|
682 |
LOAD_LIBRARY_AS_DATAFILE);
|
|
|
683 |
|
|
|
684 |
if(hModule != NULL)
|
|
|
685 |
dwFormatFlags |= FORMAT_MESSAGE_FROM_HMODULE;
|
|
|
686 |
}
|
|
|
687 |
|
|
|
688 |
//
|
|
|
689 |
// Call FormatMessage() to allow for message
|
|
|
690 |
// text to be acquired from the system
|
|
|
691 |
// or from the supplied module handle.
|
|
|
692 |
//
|
|
|
693 |
|
|
|
694 |
if(dwBufferLength = FormatMessageA(dwFormatFlags,
|
|
|
695 |
hModule, // module to get message from (NULL == system)
|
|
|
696 |
dwLastError,
|
|
|
697 |
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // default language
|
|
|
698 |
(LPSTR) &MessageBuffer,
|
|
|
699 |
0,
|
|
|
700 |
NULL)) {
|
|
|
701 |
DWORD dwBytesWritten;
|
|
|
702 |
|
|
|
703 |
//
|
|
|
704 |
// Output message string on stderr.
|
|
|
705 |
//
|
|
|
706 |
WriteFile(GetStdHandle(STD_ERROR_HANDLE),
|
|
|
707 |
MessageBuffer,
|
|
|
708 |
dwBufferLength,
|
|
|
709 |
&dwBytesWritten,
|
|
|
710 |
NULL);
|
|
|
711 |
|
|
|
712 |
//
|
|
|
713 |
// Free the buffer allocated by the system.
|
|
|
714 |
//
|
|
|
715 |
LocalFree(MessageBuffer);
|
|
|
716 |
}
|
|
|
717 |
|
|
|
718 |
//
|
|
|
719 |
// If we loaded a message source, unload it.
|
|
|
720 |
//
|
|
|
721 |
if(hModule != NULL)
|
|
|
722 |
FreeLibrary(hModule);
|
|
|
723 |
}
|
|
|
724 |
|
|
|
725 |
/**
|
|
|
726 |
* 1. comment out first two #includes
|
|
|
727 |
* 2. set 'debug' to TRUE
|
|
|
728 |
* 3. comment out 'getCurrent'
|
|
|
729 |
* 4. uncomment 'main'
|
|
|
730 |
* 5. cc -c nt.c
|
|
|
731 |
* 6. link nt.obj user32.lib advapi32.lib /out:nt.exe
|
|
|
732 |
*/
|
|
|
733 |
/*
|
|
|
734 |
void main(int argc, char *argv[]) {
|
|
|
735 |
|
|
|
736 |
long i = 0;
|
|
|
737 |
HANDLE tokenHandle = INVALID_HANDLE_VALUE;
|
|
|
738 |
|
|
|
739 |
LPTSTR userName = NULL;
|
|
|
740 |
LPTSTR userSid = NULL;
|
|
|
741 |
LPTSTR domainName = NULL;
|
|
|
742 |
LPTSTR domainSid = NULL;
|
|
|
743 |
LPTSTR primaryGroup = NULL;
|
|
|
744 |
DWORD numGroups = 0;
|
|
|
745 |
LPTSTR *groups = NULL;
|
|
|
746 |
HANDLE impersonationToken = 0;
|
|
|
747 |
|
|
|
748 |
printf("getting access token\n");
|
|
|
749 |
if (getToken(&tokenHandle) == FALSE) {
|
|
|
750 |
exit(1);
|
|
|
751 |
}
|
|
|
752 |
|
|
|
753 |
printf("getting user info\n");
|
|
|
754 |
if (getUser
|
|
|
755 |
(tokenHandle, &userName, &domainName, &userSid, &domainSid) == FALSE) {
|
|
|
756 |
exit(1);
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
printf("getting primary group\n");
|
|
|
760 |
if (getPrimaryGroup(tokenHandle, &primaryGroup) == FALSE) {
|
|
|
761 |
exit(1);
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
printf("getting supplementary groups\n");
|
|
|
765 |
if (getGroups(tokenHandle, &numGroups, &groups) == FALSE) {
|
|
|
766 |
exit(1);
|
|
|
767 |
}
|
|
|
768 |
|
|
|
769 |
printf("getting impersonation token\n");
|
|
|
770 |
if (getImpersonationToken(&impersonationToken) == FALSE) {
|
|
|
771 |
exit(1);
|
|
|
772 |
}
|
|
|
773 |
|
|
|
774 |
printf("userName = %s, userSid = %s, domainName = %s, domainSid = %s\n",
|
|
|
775 |
userName, userSid, domainName, domainSid);
|
|
|
776 |
printf("primaryGroup = %s\n", primaryGroup);
|
|
|
777 |
for (i = 0; i < numGroups; i++) {
|
|
|
778 |
printf("Group[%d] = %s\n", i, groups[i]);
|
|
|
779 |
}
|
|
|
780 |
printf("impersonationToken = %ld\n", impersonationToken);
|
|
|
781 |
|
|
|
782 |
if (userName != NULL) {
|
|
|
783 |
HeapFree(GetProcessHeap(), 0, userName);
|
|
|
784 |
}
|
|
|
785 |
if (userSid != NULL) {
|
|
|
786 |
HeapFree(GetProcessHeap(), 0, userSid);
|
|
|
787 |
}
|
|
|
788 |
if (domainName != NULL) {
|
|
|
789 |
HeapFree(GetProcessHeap(), 0, domainName);
|
|
|
790 |
}
|
|
|
791 |
if (domainSid != NULL) {
|
|
|
792 |
HeapFree(GetProcessHeap(), 0, domainSid);
|
|
|
793 |
}
|
|
|
794 |
if (primaryGroup != NULL) {
|
|
|
795 |
HeapFree(GetProcessHeap(), 0, primaryGroup);
|
|
|
796 |
}
|
|
|
797 |
if (groups != NULL) {
|
|
|
798 |
for (i = 0; i < numGroups; i++) {
|
|
|
799 |
if (groups[i] != NULL) {
|
|
|
800 |
HeapFree(GetProcessHeap(), 0, groups[i]);
|
|
|
801 |
}
|
|
|
802 |
}
|
|
|
803 |
HeapFree(GetProcessHeap(), 0, groups);
|
|
|
804 |
}
|
|
|
805 |
}
|
|
|
806 |
*/
|
|
|
807 |
|
|
|
808 |
/**
|
|
|
809 |
* extra main method for testing debug printing
|
|
|
810 |
*/
|
|
|
811 |
/*
|
|
|
812 |
void main(int argc, char *argv[]) {
|
|
|
813 |
if(argc != 2) {
|
|
|
814 |
fprintf(stderr,"Usage: %s <error number>\n", argv[0]);
|
|
|
815 |
}
|
|
|
816 |
|
|
|
817 |
DisplayErrorText(atoi(argv[1]));
|
|
|
818 |
}
|
|
|
819 |
*/
|