971 lines
24 KiB
C++
971 lines
24 KiB
C++
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#include "stdafx.h"
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#include <conio.h>
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#include "dcomperm.h"
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#define _WIN32_DCOM
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#include <objbase.h>
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DWORD
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CopyACL (
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PACL OldACL,
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PACL NewACL
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)
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{
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ACL_SIZE_INFORMATION aclSizeInfo;
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LPVOID ace;
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ACE_HEADER *aceHeader;
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ULONG i;
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GetAclInformation (OldACL, (LPVOID) &aclSizeInfo, (DWORD) sizeof (aclSizeInfo), AclSizeInformation);
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//
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// Copy all of the ACEs to the new ACL
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//
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for (i = 0; i < aclSizeInfo.AceCount; i++)
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{
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//
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// Get the ACE and header info
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//
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if (!GetAce (OldACL, i, &ace))
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return GetLastError();
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aceHeader = (ACE_HEADER *) ace;
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//
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// Add the ACE to the new list
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//
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if (!AddAce (NewACL, ACL_REVISION, 0xffffffff, ace, aceHeader->AceSize))
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return GetLastError();
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}
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return ERROR_SUCCESS;
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}
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DWORD
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AddAccessDeniedACEToACL (
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PACL *Acl,
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DWORD PermissionMask,
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LPTSTR Principal
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)
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{
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ACL_SIZE_INFORMATION aclSizeInfo;
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int aclSize;
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DWORD returnValue = ERROR_SUCCESS;
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PSID principalSID;
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PACL oldACL, newACL;
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BOOL bWellKnownSID = FALSE;
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oldACL = *Acl;
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returnValue = GetPrincipalSID (Principal, &principalSID, &bWellKnownSID);
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if (returnValue != ERROR_SUCCESS)
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return returnValue;
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GetAclInformation (oldACL, (LPVOID) &aclSizeInfo, (DWORD) sizeof (ACL_SIZE_INFORMATION), AclSizeInformation);
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aclSize = aclSizeInfo.AclBytesInUse +
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sizeof (ACL) + sizeof (ACCESS_DENIED_ACE) +
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GetLengthSid (principalSID) - sizeof (DWORD);
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newACL = (PACL) new BYTE [aclSize];
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if (!InitializeAcl (newACL, aclSize, ACL_REVISION))
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{
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returnValue = GetLastError();
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delete [] newACL;
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goto cleanup;
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}
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if (!AddAccessDeniedAce (newACL, ACL_REVISION2, PermissionMask, principalSID))
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{
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returnValue = GetLastError();
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delete [] newACL;
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goto cleanup;
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}
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returnValue = CopyACL (oldACL, newACL);
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if (returnValue != ERROR_SUCCESS)
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{
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delete [] newACL;
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goto cleanup;
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}
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*Acl = newACL;
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cleanup:
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if (principalSID) {
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if (bWellKnownSID)
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FreeSid (principalSID);
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else
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free (principalSID);
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}
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return returnValue;
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}
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DWORD
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AddAccessAllowedACEToACL (
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PACL *Acl,
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DWORD PermissionMask,
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LPTSTR Principal
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)
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{
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ACL_SIZE_INFORMATION aclSizeInfo;
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int aclSize;
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DWORD returnValue = ERROR_SUCCESS;
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PSID principalSID;
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PACL oldACL, newACL;
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BOOL bWellKnownSID = FALSE;
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oldACL = *Acl;
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returnValue = GetPrincipalSID (Principal, &principalSID, &bWellKnownSID);
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if (returnValue != ERROR_SUCCESS)
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return returnValue;
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GetAclInformation (oldACL, (LPVOID) &aclSizeInfo, (DWORD) sizeof (ACL_SIZE_INFORMATION), AclSizeInformation);
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aclSize = aclSizeInfo.AclBytesInUse +
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sizeof (ACL) + sizeof (ACCESS_ALLOWED_ACE) +
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GetLengthSid (principalSID) - sizeof (DWORD);
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newACL = (PACL) new BYTE [aclSize];
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if (!InitializeAcl (newACL, aclSize, ACL_REVISION))
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{
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returnValue = GetLastError();
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delete [] newACL;
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goto cleanup;
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}
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returnValue = CopyACL (oldACL, newACL);
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if (returnValue != ERROR_SUCCESS)
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{
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goto cleanup;
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}
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if (!AddAccessAllowedAce (newACL, ACL_REVISION2, PermissionMask, principalSID))
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{
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returnValue = GetLastError();
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goto cleanup;
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}
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*Acl = newACL;
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cleanup:
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if (principalSID) {
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if (bWellKnownSID)
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FreeSid (principalSID);
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else
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free (principalSID);
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}
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return returnValue;
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}
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DWORD
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RemovePrincipalFromACL (
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PACL Acl,
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LPTSTR Principal
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)
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{
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ACL_SIZE_INFORMATION aclSizeInfo;
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ULONG i;
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LPVOID ace;
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ACCESS_ALLOWED_ACE *accessAllowedAce;
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ACCESS_DENIED_ACE *accessDeniedAce;
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SYSTEM_AUDIT_ACE *systemAuditAce;
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PSID principalSID;
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DWORD returnValue = ERROR_SUCCESS;
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ACE_HEADER *aceHeader;
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BOOL bWellKnownSID = FALSE;
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returnValue = GetPrincipalSID (Principal, &principalSID, &bWellKnownSID);
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if (returnValue != ERROR_SUCCESS)
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return returnValue;
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GetAclInformation (Acl, (LPVOID) &aclSizeInfo, (DWORD) sizeof (ACL_SIZE_INFORMATION), AclSizeInformation);
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for (i = 0; i < aclSizeInfo.AceCount; i++)
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{
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if (!GetAce (Acl, i, &ace))
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{
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returnValue = GetLastError();
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break;
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}
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aceHeader = (ACE_HEADER *) ace;
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if (aceHeader->AceType == ACCESS_ALLOWED_ACE_TYPE)
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{
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accessAllowedAce = (ACCESS_ALLOWED_ACE *) ace;
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if (EqualSid (principalSID, (PSID) &accessAllowedAce->SidStart))
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{
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DeleteAce (Acl, i);
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break;
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}
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} else
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if (aceHeader->AceType == ACCESS_DENIED_ACE_TYPE)
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{
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accessDeniedAce = (ACCESS_DENIED_ACE *) ace;
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if (EqualSid (principalSID, (PSID) &accessDeniedAce->SidStart))
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{
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DeleteAce (Acl, i);
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break;
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}
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} else
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if (aceHeader->AceType == SYSTEM_AUDIT_ACE_TYPE)
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{
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systemAuditAce = (SYSTEM_AUDIT_ACE *) ace;
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if (EqualSid (principalSID, (PSID) &systemAuditAce->SidStart))
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{
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DeleteAce (Acl, i);
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break;
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}
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}
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}
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if (principalSID) {
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if (bWellKnownSID)
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FreeSid (principalSID);
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else
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free (principalSID);
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}
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return returnValue;
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}
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DWORD
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GetCurrentUserSID (
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PSID *Sid
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)
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{
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DWORD dwReturn = ERROR_SUCCESS;
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TOKEN_USER *tokenUser = NULL;
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HANDLE tokenHandle = NULL;
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DWORD tokenSize;
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DWORD sidLength;
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if (OpenProcessToken (GetCurrentProcess(), TOKEN_QUERY, &tokenHandle))
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{
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GetTokenInformation (tokenHandle, TokenUser, tokenUser, 0, &tokenSize);
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tokenUser = (TOKEN_USER *) malloc (tokenSize);
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if (tokenUser == NULL) {
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dwReturn = E_OUTOFMEMORY;
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}
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else if (GetTokenInformation (tokenHandle, TokenUser, tokenUser, tokenSize, &tokenSize))
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{
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sidLength = GetLengthSid (tokenUser->User.Sid);
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*Sid = (PSID) malloc (sidLength);
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if (*Sid == NULL) {
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dwReturn = E_OUTOFMEMORY;
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}
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else {
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memcpy (*Sid, tokenUser->User.Sid, sidLength);
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CloseHandle (tokenHandle);
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}
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} else
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dwReturn = GetLastError();
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if (tokenUser)
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free(tokenUser);
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} else
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dwReturn = GetLastError();
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return dwReturn;
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}
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DWORD
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GetPrincipalSID (
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LPTSTR Principal,
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PSID *Sid,
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BOOL *pbWellKnownSID
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)
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{
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CString csPrincipal = Principal;
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SID_IDENTIFIER_AUTHORITY SidIdentifierNTAuthority = SECURITY_NT_AUTHORITY;
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SID_IDENTIFIER_AUTHORITY SidIdentifierWORLDAuthority = SECURITY_WORLD_SID_AUTHORITY;
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PSID_IDENTIFIER_AUTHORITY pSidIdentifierAuthority;
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BYTE Count;
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DWORD dwRID[8];
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*pbWellKnownSID = TRUE;
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memset(&(dwRID[0]), 0, 8 * sizeof(DWORD));
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csPrincipal.MakeLower();
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if ( csPrincipal.Find(_T("administrators")) != -1 ) {
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// Administrators group
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pSidIdentifierAuthority = &SidIdentifierNTAuthority;
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Count = 2;
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dwRID[0] = SECURITY_BUILTIN_DOMAIN_RID;
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dwRID[1] = DOMAIN_ALIAS_RID_ADMINS;
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} else if (csPrincipal.Find(_T("system")) != -1) {
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// SYSTEM
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pSidIdentifierAuthority = &SidIdentifierNTAuthority;
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Count = 1;
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dwRID[0] = SECURITY_LOCAL_SYSTEM_RID;
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} else if (csPrincipal.Find(_T("interactive")) != -1) {
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// INTERACTIVE
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pSidIdentifierAuthority = &SidIdentifierNTAuthority;
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Count = 1;
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dwRID[0] = SECURITY_INTERACTIVE_RID;
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} else if (csPrincipal.Find(_T("everyone")) != -1) {
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// Everyone
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pSidIdentifierAuthority = &SidIdentifierWORLDAuthority;
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Count = 1;
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dwRID[0] = SECURITY_WORLD_RID;
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} else {
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*pbWellKnownSID = FALSE;
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}
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if (*pbWellKnownSID) {
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if ( !AllocateAndInitializeSid(pSidIdentifierAuthority,
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(BYTE)Count,
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|
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dwRID[0],
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dwRID[1],
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dwRID[2],
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dwRID[3],
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dwRID[4],
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dwRID[5],
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dwRID[6],
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dwRID[7],
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Sid) )
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return GetLastError();
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} else {
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|
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// get regular account sid
|
||
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DWORD sidSize;
|
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|
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TCHAR refDomain [256];
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|
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DWORD refDomainSize;
|
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|
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DWORD returnValue;
|
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|
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SID_NAME_USE snu;
|
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|
|
|
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|
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sidSize = 0;
|
||
|
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refDomainSize = 255;
|
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|
|
|
||
|
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LookupAccountName (NULL,
|
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|
|
Principal,
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*Sid,
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|
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&sidSize,
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|
|
refDomain,
|
||
|
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&refDomainSize,
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|
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&snu);
|
||
|
|
|
||
|
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returnValue = GetLastError();
|
||
|
|
if (returnValue != ERROR_INSUFFICIENT_BUFFER)
|
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|
|
return returnValue;
|
||
|
|
|
||
|
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*Sid = (PSID) malloc (sidSize);
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|
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refDomainSize = 255;
|
||
|
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|
||
|
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if (!LookupAccountName (NULL,
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|
|
Principal,
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|
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*Sid,
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|
|
&sidSize,
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|
|
refDomain,
|
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|
|
&refDomainSize,
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|
|
&snu))
|
||
|
|
{
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
CreateNewSD (
|
||
|
|
SECURITY_DESCRIPTOR **SD
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PACL dacl;
|
||
|
|
DWORD sidLength;
|
||
|
|
PSID sid = NULL;
|
||
|
|
PSID groupSID = NULL;
|
||
|
|
PSID ownerSID = NULL;
|
||
|
|
DWORD returnValue;
|
||
|
|
|
||
|
|
*SD = NULL;
|
||
|
|
|
||
|
|
returnValue = GetCurrentUserSID (&sid);
|
||
|
|
if (returnValue != ERROR_SUCCESS) {
|
||
|
|
if (sid)
|
||
|
|
free(sid);
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
sidLength = GetLengthSid (sid);
|
||
|
|
|
||
|
|
*SD = (SECURITY_DESCRIPTOR *) malloc (
|
||
|
|
(sizeof (ACL)+sizeof (ACCESS_ALLOWED_ACE)+sidLength) +
|
||
|
|
(2 * sidLength) +
|
||
|
|
sizeof (SECURITY_DESCRIPTOR));
|
||
|
|
|
||
|
|
groupSID = (SID *) (*SD + 1);
|
||
|
|
ownerSID = (SID *) (((BYTE *) groupSID) + sidLength);
|
||
|
|
dacl = (ACL *) (((BYTE *) ownerSID) + sidLength);
|
||
|
|
|
||
|
|
if (!InitializeSecurityDescriptor (*SD, SECURITY_DESCRIPTOR_REVISION))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!InitializeAcl (dacl,
|
||
|
|
sizeof (ACL)+sizeof (ACCESS_ALLOWED_ACE)+sidLength,
|
||
|
|
ACL_REVISION2))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!AddAccessAllowedAce (dacl,
|
||
|
|
ACL_REVISION2,
|
||
|
|
COM_RIGHTS_EXECUTE,
|
||
|
|
sid))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!SetSecurityDescriptorDacl (*SD, TRUE, dacl, FALSE))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
memcpy (groupSID, sid, sidLength);
|
||
|
|
if (!SetSecurityDescriptorGroup (*SD, groupSID, FALSE))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
memcpy (ownerSID, sid, sidLength);
|
||
|
|
if (!SetSecurityDescriptorOwner (*SD, ownerSID, FALSE))
|
||
|
|
{
|
||
|
|
free (*SD);
|
||
|
|
free (sid);
|
||
|
|
return GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sid)
|
||
|
|
free(sid);
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MakeSDAbsolute (
|
||
|
|
PSECURITY_DESCRIPTOR OldSD,
|
||
|
|
PSECURITY_DESCRIPTOR *NewSD
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PSECURITY_DESCRIPTOR sd = NULL;
|
||
|
|
DWORD descriptorSize;
|
||
|
|
DWORD daclSize;
|
||
|
|
DWORD saclSize;
|
||
|
|
DWORD ownerSIDSize;
|
||
|
|
DWORD groupSIDSize;
|
||
|
|
PACL dacl = NULL;
|
||
|
|
PACL sacl = NULL;
|
||
|
|
PSID ownerSID = NULL;
|
||
|
|
PSID groupSID = NULL;
|
||
|
|
BOOL present;
|
||
|
|
BOOL systemDefault;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get SACL
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorSacl (OldSD, &present, &sacl, &systemDefault))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
if (sacl && present)
|
||
|
|
{
|
||
|
|
saclSize = sacl->AclSize;
|
||
|
|
} else saclSize = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get DACL
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorDacl (OldSD, &present, &dacl, &systemDefault))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
if (dacl && present)
|
||
|
|
{
|
||
|
|
daclSize = dacl->AclSize;
|
||
|
|
} else daclSize = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get Owner
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorOwner (OldSD, &ownerSID, &systemDefault))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
ownerSIDSize = GetLengthSid (ownerSID);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get Group
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorGroup (OldSD, &groupSID, &systemDefault))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
groupSIDSize = GetLengthSid (groupSID);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Do the conversion
|
||
|
|
//
|
||
|
|
|
||
|
|
descriptorSize = 0;
|
||
|
|
|
||
|
|
MakeAbsoluteSD (OldSD, sd, &descriptorSize, dacl, &daclSize, sacl,
|
||
|
|
&saclSize, ownerSID, &ownerSIDSize, groupSID,
|
||
|
|
&groupSIDSize);
|
||
|
|
|
||
|
|
sd = (PSECURITY_DESCRIPTOR) new BYTE [SECURITY_DESCRIPTOR_MIN_LENGTH];
|
||
|
|
if (!InitializeSecurityDescriptor (sd, SECURITY_DESCRIPTOR_REVISION))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
if (!MakeAbsoluteSD (OldSD, sd, &descriptorSize, dacl, &daclSize, sacl,
|
||
|
|
&saclSize, ownerSID, &ownerSIDSize, groupSID,
|
||
|
|
&groupSIDSize))
|
||
|
|
return GetLastError();
|
||
|
|
|
||
|
|
*NewSD = sd;
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
SetNamedValueSD (
|
||
|
|
HKEY RootKey,
|
||
|
|
LPTSTR KeyName,
|
||
|
|
LPTSTR ValueName,
|
||
|
|
SECURITY_DESCRIPTOR *SD
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD returnValue;
|
||
|
|
DWORD disposition;
|
||
|
|
HKEY registryKey;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create new key or open existing key
|
||
|
|
//
|
||
|
|
|
||
|
|
returnValue = RegCreateKeyEx (RootKey, KeyName, 0, _T(""), 0, KEY_ALL_ACCESS, NULL, ®istryKey, &disposition);
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
return returnValue;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the security descriptor
|
||
|
|
//
|
||
|
|
|
||
|
|
returnValue = RegSetValueEx (registryKey, ValueName, 0, REG_BINARY, (LPBYTE) SD, GetSecurityDescriptorLength (SD));
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
return returnValue;
|
||
|
|
|
||
|
|
RegCloseKey (registryKey);
|
||
|
|
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
GetNamedValueSD (
|
||
|
|
HKEY RootKey,
|
||
|
|
LPTSTR KeyName,
|
||
|
|
LPTSTR ValueName,
|
||
|
|
SECURITY_DESCRIPTOR **SD,
|
||
|
|
BOOL *NewSD
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD returnValue;
|
||
|
|
HKEY registryKey;
|
||
|
|
DWORD valueType;
|
||
|
|
DWORD valueSize;
|
||
|
|
|
||
|
|
*NewSD = FALSE;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the security descriptor from the named value. If it doesn't
|
||
|
|
// exist, create a fresh one.
|
||
|
|
//
|
||
|
|
|
||
|
|
returnValue = RegOpenKeyEx (RootKey, KeyName, 0, KEY_ALL_ACCESS, ®istryKey);
|
||
|
|
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
if (returnValue == ERROR_FILE_NOT_FOUND)
|
||
|
|
{
|
||
|
|
*SD = NULL;
|
||
|
|
returnValue = CreateNewSD (SD);
|
||
|
|
if (returnValue != ERROR_SUCCESS) {
|
||
|
|
if (*SD)
|
||
|
|
free(*SD);
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
*NewSD = TRUE;
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
} else
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
returnValue = RegQueryValueEx (registryKey, ValueName, NULL, &valueType, NULL, &valueSize);
|
||
|
|
|
||
|
|
if (returnValue && returnValue != ERROR_INSUFFICIENT_BUFFER)
|
||
|
|
{
|
||
|
|
*SD = NULL;
|
||
|
|
returnValue = CreateNewSD (SD);
|
||
|
|
if (returnValue != ERROR_SUCCESS) {
|
||
|
|
if (*SD)
|
||
|
|
free(*SD);
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
*NewSD = TRUE;
|
||
|
|
} else
|
||
|
|
{
|
||
|
|
*SD = (SECURITY_DESCRIPTOR *) malloc (valueSize);
|
||
|
|
|
||
|
|
returnValue = RegQueryValueEx (registryKey, ValueName, NULL, &valueType, (LPBYTE) *SD, &valueSize);
|
||
|
|
if (returnValue)
|
||
|
|
{
|
||
|
|
if (*SD)
|
||
|
|
free (*SD);
|
||
|
|
|
||
|
|
*SD = NULL;
|
||
|
|
returnValue = CreateNewSD (SD);
|
||
|
|
if (returnValue != ERROR_SUCCESS) {
|
||
|
|
if (*SD)
|
||
|
|
free(*SD);
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
*NewSD = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
RegCloseKey (registryKey);
|
||
|
|
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
AddPrincipalToNamedValueSD (
|
||
|
|
HKEY RootKey,
|
||
|
|
LPTSTR KeyName,
|
||
|
|
LPTSTR ValueName,
|
||
|
|
LPTSTR Principal,
|
||
|
|
BOOL Permit
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD returnValue = ERROR_SUCCESS;
|
||
|
|
SECURITY_DESCRIPTOR *sd = NULL;
|
||
|
|
SECURITY_DESCRIPTOR *sdSelfRelative = NULL;
|
||
|
|
SECURITY_DESCRIPTOR *sdAbsolute = NULL;
|
||
|
|
DWORD secDescSize;
|
||
|
|
BOOL present;
|
||
|
|
BOOL defaultDACL;
|
||
|
|
PACL dacl;
|
||
|
|
BOOL newSD = FALSE;
|
||
|
|
BOOL fFreeAbsolute = TRUE;
|
||
|
|
|
||
|
|
|
||
|
|
returnValue = GetNamedValueSD (RootKey, KeyName, ValueName, &sd, &newSD);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get security descriptor from registry or create a new one
|
||
|
|
//
|
||
|
|
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
return returnValue;
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorDacl (sd, &present, &dacl, &defaultDACL)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (newSD)
|
||
|
|
{
|
||
|
|
AddAccessAllowedACEToACL (&dacl, COM_RIGHTS_EXECUTE, _T("SYSTEM"));
|
||
|
|
AddAccessAllowedACEToACL (&dacl, COM_RIGHTS_EXECUTE, _T("INTERACTIVE"));
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the Principal that the caller wants added
|
||
|
|
//
|
||
|
|
|
||
|
|
if (Permit)
|
||
|
|
returnValue = AddAccessAllowedACEToACL (&dacl, COM_RIGHTS_EXECUTE, Principal);
|
||
|
|
else
|
||
|
|
returnValue = AddAccessDeniedACEToACL (&dacl, GENERIC_ALL, Principal);
|
||
|
|
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make the security descriptor absolute if it isn't new
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!newSD) {
|
||
|
|
MakeSDAbsolute ((PSECURITY_DESCRIPTOR) sd, (PSECURITY_DESCRIPTOR *) &sdAbsolute);
|
||
|
|
fFreeAbsolute = TRUE;
|
||
|
|
} else {
|
||
|
|
sdAbsolute = sd;
|
||
|
|
fFreeAbsolute = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the discretionary ACL on the security descriptor
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!SetSecurityDescriptorDacl (sdAbsolute, TRUE, dacl, FALSE)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make the security descriptor self-relative so that we can
|
||
|
|
// store it in the registry
|
||
|
|
//
|
||
|
|
|
||
|
|
secDescSize = 0;
|
||
|
|
MakeSelfRelativeSD (sdAbsolute, sdSelfRelative, &secDescSize);
|
||
|
|
sdSelfRelative = (SECURITY_DESCRIPTOR *) malloc (secDescSize);
|
||
|
|
if (!MakeSelfRelativeSD (sdAbsolute, sdSelfRelative, &secDescSize)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Store the security descriptor in the registry
|
||
|
|
//
|
||
|
|
|
||
|
|
SetNamedValueSD (RootKey, KeyName, ValueName, sdSelfRelative);
|
||
|
|
|
||
|
|
Cleanup:
|
||
|
|
if (sd)
|
||
|
|
free (sd);
|
||
|
|
if (sdSelfRelative)
|
||
|
|
free (sdSelfRelative);
|
||
|
|
if (fFreeAbsolute && sdAbsolute)
|
||
|
|
free (sdAbsolute);
|
||
|
|
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
RemovePrincipalFromNamedValueSD (
|
||
|
|
HKEY RootKey,
|
||
|
|
LPTSTR KeyName,
|
||
|
|
LPTSTR ValueName,
|
||
|
|
LPTSTR Principal
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD returnValue = ERROR_SUCCESS;
|
||
|
|
SECURITY_DESCRIPTOR *sd = NULL;
|
||
|
|
SECURITY_DESCRIPTOR *sdSelfRelative = NULL;
|
||
|
|
SECURITY_DESCRIPTOR *sdAbsolute = NULL;
|
||
|
|
DWORD secDescSize;
|
||
|
|
BOOL present;
|
||
|
|
BOOL defaultDACL;
|
||
|
|
PACL dacl = NULL;
|
||
|
|
BOOL newSD = FALSE;
|
||
|
|
BOOL fFreeAbsolute = TRUE;
|
||
|
|
|
||
|
|
returnValue = GetNamedValueSD (RootKey, KeyName, ValueName, &sd, &newSD);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get security descriptor from registry or create a new one
|
||
|
|
//
|
||
|
|
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
return returnValue;
|
||
|
|
|
||
|
|
if (!GetSecurityDescriptorDacl (sd, &present, &dacl, &defaultDACL)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the security descriptor is new, add the required Principals to it
|
||
|
|
//
|
||
|
|
|
||
|
|
if (newSD)
|
||
|
|
{
|
||
|
|
AddAccessAllowedACEToACL (&dacl, COM_RIGHTS_EXECUTE, _T("SYSTEM"));
|
||
|
|
AddAccessAllowedACEToACL (&dacl, COM_RIGHTS_EXECUTE, _T("INTERACTIVE"));
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Remove the Principal that the caller wants removed
|
||
|
|
//
|
||
|
|
|
||
|
|
returnValue = RemovePrincipalFromACL (dacl, Principal);
|
||
|
|
if (returnValue != ERROR_SUCCESS)
|
||
|
|
goto Cleanup;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make the security descriptor absolute if it isn't new
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!newSD) {
|
||
|
|
MakeSDAbsolute ((PSECURITY_DESCRIPTOR) sd, (PSECURITY_DESCRIPTOR *) &sdAbsolute);
|
||
|
|
fFreeAbsolute = TRUE;
|
||
|
|
} else {
|
||
|
|
sdAbsolute = sd;
|
||
|
|
fFreeAbsolute = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the discretionary ACL on the security descriptor
|
||
|
|
//
|
||
|
|
|
||
|
|
if (!SetSecurityDescriptorDacl (sdAbsolute, TRUE, dacl, FALSE)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make the security descriptor self-relative so that we can
|
||
|
|
// store it in the registry
|
||
|
|
//
|
||
|
|
|
||
|
|
secDescSize = 0;
|
||
|
|
MakeSelfRelativeSD (sdAbsolute, sdSelfRelative, &secDescSize);
|
||
|
|
sdSelfRelative = (SECURITY_DESCRIPTOR *) malloc (secDescSize);
|
||
|
|
if (!MakeSelfRelativeSD (sdAbsolute, sdSelfRelative, &secDescSize)) {
|
||
|
|
returnValue = GetLastError();
|
||
|
|
goto Cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Store the security descriptor in the registry
|
||
|
|
//
|
||
|
|
|
||
|
|
SetNamedValueSD (RootKey, KeyName, ValueName, sdSelfRelative);
|
||
|
|
|
||
|
|
Cleanup:
|
||
|
|
if (sd)
|
||
|
|
free (sd);
|
||
|
|
if (sdSelfRelative)
|
||
|
|
free (sdSelfRelative);
|
||
|
|
if (fFreeAbsolute && sdAbsolute)
|
||
|
|
free (sdAbsolute);
|
||
|
|
|
||
|
|
return returnValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
ChangeAppIDAccessACL (
|
||
|
|
LPTSTR AppID,
|
||
|
|
LPTSTR Principal,
|
||
|
|
BOOL SetPrincipal,
|
||
|
|
BOOL Permit
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TCHAR keyName [256];
|
||
|
|
DWORD err;
|
||
|
|
|
||
|
|
if (AppID [0] == _T('{'))
|
||
|
|
_stprintf (keyName, _T("APPID\\%s"), AppID);
|
||
|
|
else
|
||
|
|
_stprintf (keyName, _T("APPID\\{%s}"), AppID);
|
||
|
|
|
||
|
|
if (SetPrincipal)
|
||
|
|
{
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("AccessPermission"), Principal);
|
||
|
|
err = AddPrincipalToNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("AccessPermission"), Principal, Permit);
|
||
|
|
} else
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("AccessPermission"), Principal);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
ChangeAppIDLaunchACL (
|
||
|
|
LPTSTR AppID,
|
||
|
|
LPTSTR Principal,
|
||
|
|
BOOL SetPrincipal,
|
||
|
|
BOOL Permit
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TCHAR keyName [256];
|
||
|
|
DWORD err;
|
||
|
|
|
||
|
|
if (AppID [0] == _T('{'))
|
||
|
|
_stprintf (keyName, _T("APPID\\%s"), AppID);
|
||
|
|
else
|
||
|
|
_stprintf (keyName, _T("APPID\\{%s}"), AppID);
|
||
|
|
|
||
|
|
if (SetPrincipal)
|
||
|
|
{
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("LaunchPermission"), Principal);
|
||
|
|
err = AddPrincipalToNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("LaunchPermission"), Principal, Permit);
|
||
|
|
} else
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_CLASSES_ROOT, keyName, _T("LaunchPermission"), Principal);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
ChangeDCOMAccessACL (
|
||
|
|
LPTSTR Principal,
|
||
|
|
BOOL SetPrincipal,
|
||
|
|
BOOL Permit
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TCHAR keyName [256] = _T("Software\\Microsoft\\OLE");
|
||
|
|
DWORD err;
|
||
|
|
|
||
|
|
if (SetPrincipal)
|
||
|
|
{
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultAccessPermission"), Principal);
|
||
|
|
err = AddPrincipalToNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultAccessPermission"), Principal, Permit);
|
||
|
|
} else
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultAccessPermission"), Principal);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
ChangeDCOMLaunchACL (
|
||
|
|
LPTSTR Principal,
|
||
|
|
BOOL SetPrincipal,
|
||
|
|
BOOL Permit
|
||
|
|
)
|
||
|
|
{
|
||
|
|
TCHAR keyName [256] = _T("Software\\Microsoft\\OLE");
|
||
|
|
DWORD err;
|
||
|
|
|
||
|
|
if (SetPrincipal)
|
||
|
|
{
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultLaunchPermission"), Principal);
|
||
|
|
err = AddPrincipalToNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultLaunchPermission"), Principal, Permit);
|
||
|
|
} else
|
||
|
|
err = RemovePrincipalFromNamedValueSD (HKEY_LOCAL_MACHINE, keyName, _T("DefaultLaunchPermission"), Principal);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|