#include <winpr/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <winpr/assert.h>
#include <winpr/crt.h>
#include <winpr/sspi.h>
#include <winpr/print.h>
#include <winpr/tchar.h>
#include <winpr/sysinfo.h>
#include <winpr/registry.h>
#include <winpr/endian.h>
#include <winpr/crypto.h>
#include "kerberos.h"
#include "../sspi.h"
#include "../../log.h"

Macros
#define	TAG WINPR_TAG("sspi.Kerberos")

#define	KRB_TGT_REQ 16

#define	KRB_TGT_REP 17

Functions
static SECURITY_STATUS SEC_ENTRY	kerberos_AcquireCredentialsHandleA (SEC_CHAR pszPrincipal, SEC_CHAR pszPackage, ULONG fCredentialUse, void pvLogonID, void pAuthData, SEC_GET_KEY_FN pGetKeyFn, void *pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)

static SECURITY_STATUS SEC_ENTRY	kerberos_AcquireCredentialsHandleW (SEC_WCHAR pszPrincipal, SEC_WCHAR pszPackage, ULONG fCredentialUse, void pvLogonID, void pAuthData, SEC_GET_KEY_FN pGetKeyFn, void *pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)

static SECURITY_STATUS SEC_ENTRY	kerberos_FreeCredentialsHandle (PCredHandle phCredential)

static SECURITY_STATUS SEC_ENTRY	kerberos_QueryCredentialsAttributesW (PCredHandle phCredential, ULONG ulAttribute, void *pBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_QueryCredentialsAttributesA (PCredHandle phCredential, ULONG ulAttribute, void *pBuffer)

static BOOL	kerberos_hash_channel_bindings (WINPR_DIGEST_CTX md5, SEC_CHANNEL_BINDINGS bindings)

static SECURITY_STATUS SEC_ENTRY	kerberos_InitializeSecurityContextA (PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR pszTargetName, ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext, PSecBufferDesc pOutput, ULONG pfContextAttr, PTimeStamp ptsExpiry)

static SECURITY_STATUS SEC_ENTRY	kerberos_InitializeSecurityContextW (PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR pszTargetName, ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext, PSecBufferDesc pOutput, ULONG pfContextAttr, PTimeStamp ptsExpiry)

static SECURITY_STATUS SEC_ENTRY	kerberos_AcceptSecurityContext (PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput, ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext, PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpity)

static KRB_CONTEXT *	get_context (PCtxtHandle phContext)

static SECURITY_STATUS SEC_ENTRY	kerberos_DeleteSecurityContext (PCtxtHandle phContext)

static SECURITY_STATUS SEC_ENTRY	kerberos_QueryContextAttributesA (PCtxtHandle phContext, ULONG ulAttribute, void *pBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_QueryContextAttributesW (PCtxtHandle phContext, ULONG ulAttribute, void *pBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_SetContextAttributesW (PCtxtHandle phContext, ULONG ulAttribute, void *pBuffer, ULONG cbBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_SetContextAttributesA (PCtxtHandle phContext, ULONG ulAttribute, void *pBuffer, ULONG cbBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_SetCredentialsAttributesX (PCredHandle phCredential, ULONG ulAttribute, void *pBuffer, ULONG cbBuffer, BOOL unicode)

static SECURITY_STATUS SEC_ENTRY	kerberos_SetCredentialsAttributesW (PCredHandle phCredential, ULONG ulAttribute, void *pBuffer, ULONG cbBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_SetCredentialsAttributesA (PCredHandle phCredential, ULONG ulAttribute, void *pBuffer, ULONG cbBuffer)

static SECURITY_STATUS SEC_ENTRY	kerberos_EncryptMessage (PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)

static SECURITY_STATUS SEC_ENTRY	kerberos_DecryptMessage (PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG *pfQOP)

static SECURITY_STATUS SEC_ENTRY	kerberos_MakeSignature (PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)

static SECURITY_STATUS SEC_ENTRY	kerberos_VerifySignature (PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG *pfQOP)

Variables
const SecPkgInfoA	KERBEROS_SecPkgInfoA

static WCHAR	KERBEROS_SecPkgInfoW_Name [] = { 'K', 'e', 'r', 'b', 'e', 'r', 'o', 's', '\0' }

static WCHAR	KERBEROS_SecPkgInfoW_Comment []

const SecPkgInfoW	KERBEROS_SecPkgInfoW

const SecurityFunctionTableA	KERBEROS_SecurityFunctionTableA

const SecurityFunctionTableW	KERBEROS_SecurityFunctionTableW

Macro Definition Documentation

◆ KRB_TGT_REP

#define KRB_TGT_REP 17

◆ KRB_TGT_REQ

#define KRB_TGT_REQ 16

◆ TAG

#define TAG WINPR_TAG("sspi.Kerberos")

FreeRDP: A Remote Desktop Protocol Client Kerberos Auth Protocol

Copyright 2015 ANSSI, Author Thomas Calderon Copyright 2017 Dorian Ducournau doria.nosp@m.n.du.nosp@m.courn.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2022 David Fort conta.nosp@m.ct@h.nosp@m.arden.nosp@m.ing-.nosp@m.consu.nosp@m.ltin.nosp@m.g.com Copyright 2022 Isaac Klein fifth.nosp@m.degr.nosp@m.ee@pr.nosp@m.oton.nosp@m.mail..nosp@m.com

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

◆ get_context()

static KRB_CONTEXT* get_context ( PCtxtHandle phContext )

static

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◆ kerberos_AcceptSecurityContext()

static SECURITY_STATUS SEC_ENTRY kerberos_AcceptSecurityContext	(	PCredHandle	phCredential,
		PCtxtHandle	phContext,
		PSecBufferDesc	pInput,
		ULONG	fContextReq,
		ULONG	TargetDataRep,
		PCtxtHandle	phNewContext,
		PSecBufferDesc	pOutput,
		ULONG *	pfContextAttr,
		PTimeStamp	ptsExpity
	)

static

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◆ kerberos_AcquireCredentialsHandleA()

static SECURITY_STATUS SEC_ENTRY kerberos_AcquireCredentialsHandleA	(	SEC_CHAR *	pszPrincipal,
		SEC_CHAR *	pszPackage,
		ULONG	fCredentialUse,
		void *	pvLogonID,
		void *	pAuthData,
		SEC_GET_KEY_FN	pGetKeyFn,
		void *	pvGetKeyArgument,
		PCredHandle	phCredential,
		PTimeStamp	ptsExpiry
	)

static

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◆ kerberos_AcquireCredentialsHandleW()

static SECURITY_STATUS SEC_ENTRY kerberos_AcquireCredentialsHandleW	(	SEC_WCHAR *	pszPrincipal,
		SEC_WCHAR *	pszPackage,
		ULONG	fCredentialUse,
		void *	pvLogonID,
		void *	pAuthData,
		SEC_GET_KEY_FN	pGetKeyFn,
		void *	pvGetKeyArgument,
		PCredHandle	phCredential,
		PTimeStamp	ptsExpiry
	)

static

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◆ kerberos_DecryptMessage()

static SECURITY_STATUS SEC_ENTRY kerberos_DecryptMessage	(	PCtxtHandle	phContext,
		PSecBufferDesc	pMessage,
		ULONG	MessageSeqNo,
		ULONG *	pfQOP
	)

static

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◆ kerberos_DeleteSecurityContext()

static SECURITY_STATUS SEC_ENTRY kerberos_DeleteSecurityContext ( PCtxtHandle phContext )

static

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◆ kerberos_EncryptMessage()

static SECURITY_STATUS SEC_ENTRY kerberos_EncryptMessage	(	PCtxtHandle	phContext,
		ULONG	fQOP,
		PSecBufferDesc	pMessage,
		ULONG	MessageSeqNo
	)

static

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◆ kerberos_FreeCredentialsHandle()

static SECURITY_STATUS SEC_ENTRY kerberos_FreeCredentialsHandle ( PCredHandle phCredential )

static

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◆ kerberos_hash_channel_bindings()

static BOOL kerberos_hash_channel_bindings	(	WINPR_DIGEST_CTX *	md5,
		SEC_CHANNEL_BINDINGS *	bindings
	)

static

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◆ kerberos_InitializeSecurityContextA()

static SECURITY_STATUS SEC_ENTRY kerberos_InitializeSecurityContextA	(	PCredHandle	phCredential,
		PCtxtHandle	phContext,
		SEC_CHAR *	pszTargetName,
		ULONG	fContextReq,
		ULONG	Reserved1,
		ULONG	TargetDataRep,
		PSecBufferDesc	pInput,
		ULONG	Reserved2,
		PCtxtHandle	phNewContext,
		PSecBufferDesc	pOutput,
		ULONG *	pfContextAttr,
		PTimeStamp	ptsExpiry
	)

static

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◆ kerberos_InitializeSecurityContextW()

static SECURITY_STATUS SEC_ENTRY kerberos_InitializeSecurityContextW	(	PCredHandle	phCredential,
		PCtxtHandle	phContext,
		SEC_WCHAR *	pszTargetName,
		ULONG	fContextReq,
		ULONG	Reserved1,
		ULONG	TargetDataRep,
		PSecBufferDesc	pInput,
		ULONG	Reserved2,
		PCtxtHandle	phNewContext,
		PSecBufferDesc	pOutput,
		ULONG *	pfContextAttr,
		PTimeStamp	ptsExpiry
	)

static

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◆ kerberos_MakeSignature()

static SECURITY_STATUS SEC_ENTRY kerberos_MakeSignature	(	PCtxtHandle	phContext,
		ULONG	fQOP,
		PSecBufferDesc	pMessage,
		ULONG	MessageSeqNo
	)

static

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◆ kerberos_QueryContextAttributesA()

static SECURITY_STATUS SEC_ENTRY kerberos_QueryContextAttributesA	(	PCtxtHandle	phContext,
		ULONG	ulAttribute,
		void *	pBuffer
	)

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◆ kerberos_QueryContextAttributesW()

static SECURITY_STATUS SEC_ENTRY kerberos_QueryContextAttributesW	(	PCtxtHandle	phContext,
		ULONG	ulAttribute,
		void *	pBuffer
	)

static

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◆ kerberos_QueryCredentialsAttributesA()

static SECURITY_STATUS SEC_ENTRY kerberos_QueryCredentialsAttributesA	(	PCredHandle	phCredential,
		ULONG	ulAttribute,
		void *	pBuffer
	)

static

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◆ kerberos_QueryCredentialsAttributesW()

static SECURITY_STATUS SEC_ENTRY kerberos_QueryCredentialsAttributesW	(	PCredHandle	phCredential,
		ULONG	ulAttribute,
		void *	pBuffer
	)

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◆ kerberos_SetContextAttributesA()

static SECURITY_STATUS SEC_ENTRY kerberos_SetContextAttributesA	(	PCtxtHandle	phContext,
		ULONG	ulAttribute,
		void *	pBuffer,
		ULONG	cbBuffer
	)

static

◆ kerberos_SetContextAttributesW()

static SECURITY_STATUS SEC_ENTRY kerberos_SetContextAttributesW	(	PCtxtHandle	phContext,
		ULONG	ulAttribute,
		void *	pBuffer,
		ULONG	cbBuffer
	)

static

◆ kerberos_SetCredentialsAttributesA()

static SECURITY_STATUS SEC_ENTRY kerberos_SetCredentialsAttributesA	(	PCredHandle	phCredential,
		ULONG	ulAttribute,
		void *	pBuffer,
		ULONG	cbBuffer
	)

static

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◆ kerberos_SetCredentialsAttributesW()

static SECURITY_STATUS SEC_ENTRY kerberos_SetCredentialsAttributesW	(	PCredHandle	phCredential,
		ULONG	ulAttribute,
		void *	pBuffer,
		ULONG	cbBuffer
	)

static

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◆ kerberos_SetCredentialsAttributesX()

static SECURITY_STATUS SEC_ENTRY kerberos_SetCredentialsAttributesX	(	PCredHandle	phCredential,
		ULONG	ulAttribute,
		void *	pBuffer,
		ULONG	cbBuffer,
		BOOL	unicode
	)

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◆ kerberos_VerifySignature()

static SECURITY_STATUS SEC_ENTRY kerberos_VerifySignature	(	PCtxtHandle	phContext,
		PSecBufferDesc	pMessage,
		ULONG	MessageSeqNo,
		ULONG *	pfQOP
	)

static

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Variable Documentation

◆ KERBEROS_SecPkgInfoA

const SecPkgInfoA KERBEROS_SecPkgInfoA

Initial value:

= {
        0x000F3BBF,                 
        1,                          
        0x0010,                     
        0x0000BB80,                 
        "Kerberos",                 
        "Kerberos Security Package" 
}

◆ KERBEROS_SecPkgInfoW

const SecPkgInfoW KERBEROS_SecPkgInfoW

Initial value:

= {
        0x000F3BBF,                  
        1,                           
        0x0010,                      
        0x0000BB80,                  
        KERBEROS_SecPkgInfoW_Name,   
        KERBEROS_SecPkgInfoW_Comment 
}

◆ KERBEROS_SecPkgInfoW_Comment

WCHAR KERBEROS_SecPkgInfoW_Comment[]

static

Initial value:

= { 'K', 'e', 'r', 'b', 'e', 'r', 'o', 's', ' ',
                                                    'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ',
                                                    'P', 'a', 'c', 'k', 'a', 'g', 'e', '\0' }

◆ KERBEROS_SecPkgInfoW_Name

WCHAR KERBEROS_SecPkgInfoW_Name[] = { 'K', 'e', 'r', 'b', 'e', 'r', 'o', 's', '\0' }

static

◆ KERBEROS_SecurityFunctionTableA

const SecurityFunctionTableA KERBEROS_SecurityFunctionTableA

◆ KERBEROS_SecurityFunctionTableW

const SecurityFunctionTableW KERBEROS_SecurityFunctionTableW

Macros

Functions

Variables

Macro Definition Documentation

◆ KRB_TGT_REP

◆ KRB_TGT_REQ

◆ TAG

Function Documentation

◆ get_context()

◆ kerberos_AcceptSecurityContext()

◆ kerberos_AcquireCredentialsHandleA()

◆ kerberos_AcquireCredentialsHandleW()

◆ kerberos_DecryptMessage()

◆ kerberos_DeleteSecurityContext()

◆ kerberos_EncryptMessage()

◆ kerberos_FreeCredentialsHandle()

◆ kerberos_hash_channel_bindings()

◆ kerberos_InitializeSecurityContextA()

◆ kerberos_InitializeSecurityContextW()

◆ kerberos_MakeSignature()

◆ kerberos_QueryContextAttributesA()

◆ kerberos_QueryContextAttributesW()

◆ kerberos_QueryCredentialsAttributesA()

◆ kerberos_QueryCredentialsAttributesW()

◆ kerberos_SetContextAttributesA()

◆ kerberos_SetContextAttributesW()

◆ kerberos_SetCredentialsAttributesA()

◆ kerberos_SetCredentialsAttributesW()

◆ kerberos_SetCredentialsAttributesX()

◆ kerberos_VerifySignature()

Variable Documentation

◆ KERBEROS_SecPkgInfoA

◆ KERBEROS_SecPkgInfoW

◆ KERBEROS_SecPkgInfoW_Comment

◆ KERBEROS_SecPkgInfoW_Name

◆ KERBEROS_SecurityFunctionTableA

◆ KERBEROS_SecurityFunctionTableW