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rpcrt4: Use the correct authorization trailer length using information from the security provider.

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Previously it was hardcoded to 16, so only the NTLM provider would work correctly.
This commit is contained in:
Rob Shearman 2007-03-26 18:19:33 +01:00 committed by Alexandre Julliard
parent 88295b9a02
commit 763fe63213
3 changed files with 37 additions and 10 deletions
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2
dlls/rpcrt4/rpc_binding.h
View file

@ -80,6 +80,8 @@ typedef struct _RpcConnection
TimeStamp exp;
ULONG attr;
RpcAuthInfo *AuthInfo;
ULONG encryption_auth_len;
ULONG signature_auth_len;
RpcQualityOfService *QOS;
/* client-only */

43
dlls/rpcrt4/rpc_message.c
View file

@ -59,7 +59,7 @@ enum secure_packet_direction
static RPC_STATUS I_RpcReAllocateBuffer(PRPC_MESSAGE pMsg);
static DWORD RPCRT4_GetHeaderSize(RpcPktHdr *Header)
static DWORD RPCRT4_GetHeaderSize(const RpcPktHdr *Header)
{
static const DWORD header_sizes[] = {
sizeof(Header->request), 0, sizeof(Header->response),
@ -82,14 +82,14 @@ static DWORD RPCRT4_GetHeaderSize(RpcPktHdr *Header)
return ret;
}
static int packet_has_body(RpcPktHdr *Header)
static int packet_has_body(const RpcPktHdr *Header)
{
return (Header->common.ptype == PKT_FAULT) ||
(Header->common.ptype == PKT_REQUEST) ||
(Header->common.ptype == PKT_RESPONSE);
}
static int packet_has_auth_verifier(RpcPktHdr *Header)
static int packet_has_auth_verifier(const RpcPktHdr *Header)
{
return !(Header->common.ptype == PKT_BIND_NACK) &&
!(Header->common.ptype == PKT_SHUTDOWN);
@ -379,7 +379,12 @@ static RPC_STATUS RPCRT4_SendAuth(RpcConnection *Connection, RpcPktHdr *Header,
if (AuthLength)
Header->common.auth_len = AuthLength;
else if (Connection->AuthInfo && packet_has_auth_verifier(Header))
Header->common.auth_len = 16 /* FIXME */;
{
if ((Connection->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) && packet_has_body(Header))
Header->common.auth_len = Connection->signature_auth_len;
else
Header->common.auth_len = Connection->encryption_auth_len;
}
else
Header->common.auth_len = 0;
Header->common.flags |= RPC_FLG_FIRST;
@ -469,6 +474,8 @@ static RPC_STATUS RPCRT4_ClientAuthorize(RpcConnection *conn, SecBuffer *in,
SECURITY_STATUS r;
SecBufferDesc out_desc;
SecBufferDesc inp_desc;
SecPkgContext_Sizes secctx_sizes;
BOOL continue_needed;
ULONG context_req = ISC_REQ_CONNECTION | ISC_REQ_USE_DCE_STYLE |
ISC_REQ_MUTUAL_AUTH | ISC_REQ_DELEGATE;
@ -480,6 +487,7 @@ static RPC_STATUS RPCRT4_ClientAuthorize(RpcConnection *conn, SecBuffer *in,
out->BufferType = SECBUFFER_TOKEN;
out->cbBuffer = conn->AuthInfo->cbMaxToken;
out->pvBuffer = HeapAlloc(GetProcessHeap(), 0, out->cbBuffer);
if (!out->pvBuffer) return ERROR_OUTOFMEMORY;
out_desc.ulVersion = 0;
out_desc.cBuffers = 1;
@ -495,13 +503,13 @@ static RPC_STATUS RPCRT4_ClientAuthorize(RpcConnection *conn, SecBuffer *in,
&conn->exp);
if (FAILED(r))
{
HeapFree(GetProcessHeap(), 0, out->pvBuffer);
out->pvBuffer = NULL;
WARN("InitializeSecurityContext failed with error 0x%08x\n", r);
return ERROR_ACCESS_DENIED; /* FIXME: is this correct? */
goto failed;
}
TRACE("r = 0x%08x, attr = 0x%08x\n", r, conn->attr);
continue_needed = ((r == SEC_I_CONTINUE_NEEDED) ||
(r == SEC_I_COMPLETE_AND_CONTINUE));
if ((r == SEC_I_COMPLETE_NEEDED) || (r == SEC_I_COMPLETE_AND_CONTINUE))
{
@ -509,16 +517,31 @@ static RPC_STATUS RPCRT4_ClientAuthorize(RpcConnection *conn, SecBuffer *in,
r = CompleteAuthToken(&conn->ctx, &out_desc);
if (FAILED(r))
{
HeapFree(GetProcessHeap(), 0, out->pvBuffer);
out->pvBuffer = NULL;
WARN("CompleteAuthToken failed with error 0x%08x\n", r);
return ERROR_ACCESS_DENIED; /* FIXME: is this correct? */
goto failed;
}
}
TRACE("cbBuffer = %ld\n", out->cbBuffer);
if (!continue_needed)
{
r = QueryContextAttributesA(&conn->ctx, SECPKG_ATTR_SIZES, &secctx_sizes);
if (FAILED(r))
{
WARN("QueryContextAttributes failed with error 0x%08x\n", r);
goto failed;
}
conn->signature_auth_len = secctx_sizes.cbMaxSignature;
conn->encryption_auth_len = secctx_sizes.cbSecurityTrailer;
}
return RPC_S_OK;
failed:
HeapFree(GetProcessHeap(), 0, out->pvBuffer);
out->pvBuffer = NULL;
return ERROR_ACCESS_DENIED; /* FIXME: is this correct? */
}
/***********************************************************************

2
dlls/rpcrt4/rpc_transport.c
View file

@ -1385,6 +1385,8 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
NewConnection->attr = 0;
if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo);
NewConnection->AuthInfo = AuthInfo;
NewConnection->encryption_auth_len = 0;
NewConnection->signature_auth_len = 0;
if (QOS) RpcQualityOfService_AddRef(QOS);
NewConnection->QOS = QOS;