secur32: Implement InitializeSecurityContext(A|W) for the NTLM
security provider.
This commit is contained in:
Kai Blin
Alexandre Julliard
parent
1758ba6c6d
commit
d1a2dd79cc
|
|
@ -389,10 +389,10 @@ static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleA(
|
|||
}
|
||||
|
||||
/***********************************************************************
|
||||
* InitializeSecurityContextA
|
||||
* InitializeSecurityContextW
|
||||
*/
|
||||
static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
|
||||
PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
|
||||
static SECURITY_STATUS SEC_ENTRY ntlm_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)
|
||||
|
|
@ -400,10 +400,283 @@ static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
|
|||
SECURITY_STATUS ret;
|
||||
|
||||
TRACE("%p %p %s %ld %ld %ld %p %ld %p %p %p %p\n", phCredential, phContext,
|
||||
debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
||||
debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
||||
Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
||||
|
||||
if(phCredential){
|
||||
ret = SEC_E_UNSUPPORTED_FUNCTION;
|
||||
/* As the server side of sspi never calls this, make sure that
|
||||
* the handler is a client handler.
|
||||
*/
|
||||
PNegoHelper helper = (PNegoHelper)phCredential->dwLower;
|
||||
ULONG ctxt_attr = 0;
|
||||
if(helper->mode == NTLM_CLIENT)
|
||||
{
|
||||
/****************************************
|
||||
* When communicating with the client, there can be the
|
||||
* following reply packets:
|
||||
* YR <base64 blob> should be sent to the server
|
||||
* PW should be sent back to helper with
|
||||
* base64 encoded password
|
||||
* AF <base64 blob> client is done, blob should be
|
||||
* sent to server with KK prefixed
|
||||
* BH <char reason> something broke
|
||||
*/
|
||||
BOOL first = FALSE;
|
||||
/* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
|
||||
char* buffer = HeapAlloc(GetProcessHeap(), 0,
|
||||
sizeof(char) * NTLM_MAX_BUF);
|
||||
PBYTE bin = HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE) *
|
||||
NTLM_MAX_BUF);
|
||||
int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
|
||||
|
||||
if((phContext == NULL) && (pInput == NULL))
|
||||
first = TRUE;
|
||||
if (pszTargetName)
|
||||
{
|
||||
TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
|
||||
}
|
||||
/* Handle all the flags */
|
||||
if(fContextReq & ISC_REQ_ALLOCATE_MEMORY)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_ALLOCATE_MEMORY stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_CONFIDENTIALITY)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_CONFIDENTIALITY stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_CONNECTION)
|
||||
{
|
||||
/* This is default, so we'll enable it */
|
||||
ctxt_attr |= ISC_RET_CONNECTION;
|
||||
}
|
||||
if(fContextReq & ISC_REQ_EXTENDED_ERROR)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_EXTENDED_ERROR stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_INTEGRITY)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_INTEGRITY stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_MUTUAL_AUTH)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_MUTUAL_AUTH stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_REPLAY_DETECT)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_REPLAY_DETECT stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_SEQUENCE_DETECT stub\n");
|
||||
}
|
||||
if(fContextReq & ISC_REQ_STREAM)
|
||||
{
|
||||
FIXME("InitializeSecurityContext(): ISC_REQ_STREAM stub\n");
|
||||
}
|
||||
/* Done with the flags */
|
||||
if(TargetDataRep == SECURITY_NETWORK_DREP){
|
||||
FIXME("Don't know how to do SECURITY_NETWORK_DREP\n");
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_UNSUPPORTED_FUNCTION;
|
||||
}
|
||||
|
||||
if(first)
|
||||
{
|
||||
TRACE("First time in ISC()\n");
|
||||
/* Request a challenge request from ntlm_auth */
|
||||
if(helper->password == NULL)
|
||||
{
|
||||
FIXME("Using empty password for now.\n");
|
||||
lstrcpynA(buffer, "PW AA==", max_len-1);
|
||||
}
|
||||
else
|
||||
{
|
||||
lstrcpynA(buffer, "PW ", max_len-1);
|
||||
if((ret = encodeBase64((unsigned char*)helper->password,
|
||||
helper->pwlen-2, buffer+3,
|
||||
max_len-3, &buffer_len)) != SEC_E_OK)
|
||||
{
|
||||
TRACE("Deleting password!\n");
|
||||
memset(helper->password, 0, helper->pwlen-2);
|
||||
HeapFree(GetProcessHeap(), 0, helper->password);
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
TRACE("Sending to helper: %s\n", debugstr_a(buffer));
|
||||
if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
|
||||
SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
TRACE("Helper returned %s\n", debugstr_a(buffer));
|
||||
lstrcpynA(buffer, "YR", max_len-1);
|
||||
|
||||
if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
|
||||
SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
TRACE("%s\n", buffer);
|
||||
|
||||
if(strncmp(buffer, "YR ", 3) != 0)
|
||||
{
|
||||
|
||||
/* Something borked */
|
||||
TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INTERNAL_ERROR;
|
||||
}
|
||||
if((ret = decodeBase64(buffer+3, buffer_len-3, bin,
|
||||
max_len-1, &bin_len)) != SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* put the decoded client blob into the out buffer */
|
||||
if(pOutput == NULL){
|
||||
TRACE("pOutput is NULL\n");
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INSUFFICIENT_MEMORY;
|
||||
}
|
||||
|
||||
if(pOutput->cBuffers < 1)
|
||||
{
|
||||
TRACE("pOutput->cBuffers is %ld\n", pOutput->cBuffers);
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INSUFFICIENT_MEMORY;
|
||||
}
|
||||
pOutput->pBuffers[0].cbBuffer = bin_len;
|
||||
pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
|
||||
memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
|
||||
|
||||
ret = SEC_I_CONTINUE_NEEDED;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* handle second call here */
|
||||
/* encode server data to base64 */
|
||||
if(pInput == NULL)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INCOMPLETE_MESSAGE;
|
||||
}
|
||||
|
||||
if(pInput->cBuffers < 1)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INCOMPLETE_MESSAGE;
|
||||
}
|
||||
|
||||
if(pInput->pBuffers[0].cbBuffer > max_len)
|
||||
{
|
||||
TRACE("pInput->pBuffers[0].cbBuffer is: %ld\n",
|
||||
pInput->pBuffers[0].cbBuffer);
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INVALID_TOKEN;
|
||||
}
|
||||
else
|
||||
bin_len = pInput->pBuffers[0].cbBuffer;
|
||||
|
||||
memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
|
||||
|
||||
lstrcpynA(buffer, "TT ", max_len-1);
|
||||
|
||||
if((ret = encodeBase64(bin, bin_len, buffer+3,
|
||||
max_len-3, &buffer_len)) != SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
TRACE("Server sent: %s\n", debugstr_a(buffer));
|
||||
|
||||
/* send TT base64 blob to ntlm_auth */
|
||||
if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
|
||||
SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
TRACE("Helper replied: %s\n", debugstr_a(buffer));
|
||||
|
||||
if( (strncmp(buffer, "KK ", 3) != 0) &&
|
||||
(strncmp(buffer, "AF ", 3) !=0))
|
||||
{
|
||||
TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INVALID_TOKEN;
|
||||
}
|
||||
|
||||
/* decode the blob and send it to server */
|
||||
if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
|
||||
&bin_len)) != SEC_E_OK)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return ret;
|
||||
}
|
||||
|
||||
if(pOutput == NULL)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INSUFFICIENT_MEMORY;
|
||||
}
|
||||
|
||||
if(pOutput->cBuffers < 1)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
return SEC_E_INSUFFICIENT_MEMORY;
|
||||
}
|
||||
|
||||
pOutput->pBuffers[0].cbBuffer = bin_len;
|
||||
pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
|
||||
memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
|
||||
|
||||
ret = SEC_E_OK;
|
||||
phNewContext->dwUpper = ctxt_attr;
|
||||
phNewContext->dwLower = ret;
|
||||
|
||||
}
|
||||
HeapFree(GetProcessHeap(), 0, buffer);
|
||||
HeapFree(GetProcessHeap(), 0, bin);
|
||||
if(ret != SEC_I_CONTINUE_NEEDED)
|
||||
{
|
||||
TRACE("Deleting password!\n");
|
||||
if(helper->password)
|
||||
memset(helper->password, 0, helper->pwlen-2);
|
||||
HeapFree(GetProcessHeap(), 0, helper->password);
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = SEC_E_INVALID_HANDLE;
|
||||
TRACE("Helper mode = %d\n", helper->mode);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -413,10 +686,10 @@ static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
|
|||
}
|
||||
|
||||
/***********************************************************************
|
||||
* InitializeSecurityContextW
|
||||
* InitializeSecurityContextA
|
||||
*/
|
||||
static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
|
||||
PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
|
||||
static SECURITY_STATUS SEC_ENTRY ntlm_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)
|
||||
|
|
@ -424,11 +697,27 @@ static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
|
|||
SECURITY_STATUS ret;
|
||||
|
||||
TRACE("%p %p %s %ld %ld %ld %p %ld %p %p %p %p\n", phCredential, phContext,
|
||||
debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
||||
debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
||||
Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
||||
|
||||
if (phCredential)
|
||||
{
|
||||
ret = SEC_E_UNSUPPORTED_FUNCTION;
|
||||
SEC_WCHAR *target = NULL;
|
||||
if(pszTargetName != NULL)
|
||||
{
|
||||
int target_size = MultiByteToWideChar(CP_ACP, 0, pszTargetName,
|
||||
strlen(pszTargetName)+1, NULL, 0);
|
||||
target = HeapAlloc(GetProcessHeap(), 0, target_size *
|
||||
sizeof(SEC_WCHAR));
|
||||
MultiByteToWideChar(CP_ACP, 0, pszTargetName, strlen(pszTargetName)+1,
|
||||
target, target_size);
|
||||
}
|
||||
|
||||
ret = ntlm_InitializeSecurityContextW(phCredential, phContext, target,
|
||||
fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
|
||||
phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, target);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue