secur32: Implement InitializeSecurityContext(A|W) for the NTLM

security provider.
This commit is contained in:
Kai Blin 2005-12-07 12:51:05 +01:00 committed by Alexandre Julliard
parent 1758ba6c6d
commit d1a2dd79cc
1 changed files with 299 additions and 10 deletions

View File

@ -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
{