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secur32: Adding AcceptSecurityContext to the NTLM security provider.

This commit is contained in:
Kai Blin 2005-12-19 21:20:03 +01:00 committed by Alexandre Julliard
parent 6035b93e45
commit 43b21b6e86
1 changed files with 226 additions and 1 deletions
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227
dlls/secur32/ntlm.c
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@ -741,7 +741,232 @@ static SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(
ptsExpiry);
if (phCredential)
{
ret = SEC_E_UNSUPPORTED_FUNCTION;
PNegoHelper helper = (PNegoHelper)phCredential->dwLower;
/* Max size of input data is 2010 byte, as that's the maximum size
* ntlm_auth will handle*/
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;
ULONG ctxt_attr = 0;
if(helper->mode != NTLM_SERVER)
{
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
return SEC_E_INVALID_HANDLE;
}
/* Handle all the flags */
if(fContextReq & ISC_REQ_ALLOCATE_MEMORY)
{
FIXME("AcceptSecurityContext(): ISC_REQ_ALLOCATE_MEMORY stub\n");
}
if(fContextReq & ISC_REQ_CONFIDENTIALITY)
{
FIXME("AcceptSecurityContext(): 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("AcceptSecurityContext(): ISC_REQ_EXTENDED_ERROR stub\n");
}
if(fContextReq & ISC_REQ_INTEGRITY)
{
FIXME("AcceptSecurityContext(): ISC_REQ_INTEGRITY stub\n");
}
if(fContextReq & ISC_REQ_MUTUAL_AUTH)
{
FIXME("AcceptSecurityContext(): ISC_REQ_MUTUAL_AUTH stub\n");
}
if(fContextReq & ISC_REQ_REPLAY_DETECT)
{
FIXME("AcceptSecurityContext(): ISC_REQ_REPLAY_DETECT stub\n");
}
if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
{
FIXME("AcceptSecurityContext(): ISC_REQ_SEQUENCE_DETECT stub\n");
}
if(fContextReq & ISC_REQ_STREAM)
{
FIXME("AcceptSecurityContext(): 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(phContext == NULL)
{
/* This is the first call to AcceptSecurityHandle */
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)
{
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
return SEC_E_INVALID_TOKEN;
}
else
bin_len = pInput->pBuffers[0].cbBuffer;
/* This is the YR request from the client, encode to base64 */
memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
lstrcpynA(buffer, "YR ", 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("Client sent: %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("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
/* The expected answer is TT <base64 blob> */
if(strncmp(buffer, "TT ", 3) != 0)
{
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
return SEC_E_INVALID_TOKEN;
}
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;
}
/* send this to the client */
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_I_CONTINUE_NEEDED;
}
else
{
/* we expect a KK request from client */
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)
{
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, "KK ", 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("Client sent: %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("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
if(strncmp(buffer, "AF ", 3) != 0)
{
if(strncmp(buffer, "NA ", 3) == 0)
{
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
return SEC_E_LOGON_DENIED;
}
else
{
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
return SEC_E_INVALID_TOKEN;
}
}
ret = SEC_E_OK;
}
phNewContext->dwUpper = ctxt_attr;
phNewContext->dwLower = ret;
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, bin);
}
else
{