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wine/dlls/rpcrt4/rpc_server.c
Rob Shearman eb0d2828b2 rpcrt4: Fix potential NULL pointer access in process_bind_packet. 
Upon failure to allocate results in process_bind_packet, build nack
packet and send right away, instead of falling into the normal path
and potentially dereferencing the NULL pointer.
2009-11-16 11:34:58 +01:00

1335 lines
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/*
* RPC server API
*
* Copyright 2001 Ove Kåven, TransGaming Technologies
* Copyright 2004 Filip Navara
* Copyright 2006-2008 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "rpc.h"
#include "rpcndr.h"
#include "excpt.h"
#include "wine/debug.h"
#include "wine/exception.h"
#include "rpc_server.h"
#include "rpc_assoc.h"
#include "rpc_message.h"
#include "rpc_defs.h"
#include "ncastatus.h"
WINE_DEFAULT_DEBUG_CHANNEL(rpc);
typedef struct _RpcPacket
{
struct _RpcConnection* conn;
RpcPktHdr* hdr;
RPC_MESSAGE* msg;
} RpcPacket;
typedef struct _RpcObjTypeMap
{
/* FIXME: a hash table would be better. */
struct _RpcObjTypeMap *next;
UUID Object;
UUID Type;
} RpcObjTypeMap;
static RpcObjTypeMap *RpcObjTypeMaps;
/* list of type RpcServerProtseq */
static struct list protseqs = LIST_INIT(protseqs);
static struct list server_interfaces = LIST_INIT(server_interfaces);
static CRITICAL_SECTION server_cs;
static CRITICAL_SECTION_DEBUG server_cs_debug =
{
0, 0, &server_cs,
{ &server_cs_debug.ProcessLocksList, &server_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": server_cs") }
};
static CRITICAL_SECTION server_cs = { &server_cs_debug, -1, 0, 0, 0, 0 };
static CRITICAL_SECTION listen_cs;
static CRITICAL_SECTION_DEBUG listen_cs_debug =
{
0, 0, &listen_cs,
{ &listen_cs_debug.ProcessLocksList, &listen_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": listen_cs") }
};
static CRITICAL_SECTION listen_cs = { &listen_cs_debug, -1, 0, 0, 0, 0 };
/* whether the server is currently listening */
static BOOL std_listen;
/* number of manual listeners (calls to RpcServerListen) */
static LONG manual_listen_count;
/* total listeners including auto listeners */
static LONG listen_count;
static UUID uuid_nil;
static inline RpcObjTypeMap *LookupObjTypeMap(UUID *ObjUuid)
{
RpcObjTypeMap *rslt = RpcObjTypeMaps;
RPC_STATUS dummy;
while (rslt) {
if (! UuidCompare(ObjUuid, &rslt->Object, &dummy)) break;
rslt = rslt->next;
}
return rslt;
}
static inline UUID *LookupObjType(UUID *ObjUuid)
{
RpcObjTypeMap *map = LookupObjTypeMap(ObjUuid);
if (map)
return &map->Type;
else
return &uuid_nil;
}
static RpcServerInterface* RPCRT4_find_interface(UUID* object,
const RPC_SYNTAX_IDENTIFIER *if_id,
const RPC_SYNTAX_IDENTIFIER *transfer_syntax,
BOOL check_object)
{
UUID* MgrType = NULL;
RpcServerInterface* cif;
RPC_STATUS status;
if (check_object)
MgrType = LookupObjType(object);
EnterCriticalSection(&server_cs);
LIST_FOR_EACH_ENTRY(cif, &server_interfaces, RpcServerInterface, entry) {
if (!memcmp(if_id, &cif->If->InterfaceId, sizeof(RPC_SYNTAX_IDENTIFIER)) &&
(!transfer_syntax || !memcmp(transfer_syntax, &cif->If->TransferSyntax, sizeof(RPC_SYNTAX_IDENTIFIER))) &&
(check_object == FALSE || UuidEqual(MgrType, &cif->MgrTypeUuid, &status)) &&
std_listen) {
InterlockedIncrement(&cif->CurrentCalls);
break;
}
}
LeaveCriticalSection(&server_cs);
if (&cif->entry == &server_interfaces) cif = NULL;
TRACE("returning %p for object %s, if_id { %d.%d %s }\n", cif,
debugstr_guid(object), if_id->SyntaxVersion.MajorVersion,
if_id->SyntaxVersion.MinorVersion, debugstr_guid(&if_id->SyntaxGUID));
return cif;
}
static void RPCRT4_release_server_interface(RpcServerInterface *sif)
{
if (!InterlockedDecrement(&sif->CurrentCalls) &&
sif->Delete) {
/* sif must have been removed from server_interfaces before
* CallsCompletedEvent is set */
if (sif->CallsCompletedEvent)
SetEvent(sif->CallsCompletedEvent);
HeapFree(GetProcessHeap(), 0, sif);
}
}
static RPC_STATUS process_bind_packet(RpcConnection *conn, RpcPktBindHdr *hdr, RPC_MESSAGE *msg)
{
RPC_STATUS status;
RpcPktHdr *response;
RpcContextElement *ctxt_elem;
unsigned int i;
for (i = 0, ctxt_elem = msg->Buffer;
i < hdr->num_elements;
i++, ctxt_elem = (RpcContextElement *)&ctxt_elem->transfer_syntaxes[ctxt_elem->num_syntaxes])
{
if (((char *)ctxt_elem - (char *)msg->Buffer) > msg->BufferLength ||
((char *)&ctxt_elem->transfer_syntaxes[ctxt_elem->num_syntaxes] - (char *)msg->Buffer) > msg->BufferLength)
{
ERR("inconsistent data in packet - packet length %d, num elements %d\n",
msg->BufferLength, hdr->num_elements);
/* Report failure to client. */
response = RPCRT4_BuildBindNackHeader(NDR_LOCAL_DATA_REPRESENTATION,
RPC_VER_MAJOR, RPC_VER_MINOR,
REJECT_REASON_NOT_SPECIFIED);
goto send;
}
}
if (hdr->max_tsize < RPC_MIN_PACKET_SIZE ||
!UuidIsNil(&conn->ActiveInterface.SyntaxGUID, &status) ||
conn->server_binding)
{
TRACE("packet size less than min size, or active interface syntax guid non-null\n");
/* Report failure to client. */
response = RPCRT4_BuildBindNackHeader(NDR_LOCAL_DATA_REPRESENTATION,
RPC_VER_MAJOR, RPC_VER_MINOR,
REJECT_REASON_NOT_SPECIFIED);
}
else
{
RpcResult *results = HeapAlloc(GetProcessHeap(), 0,
hdr->num_elements * sizeof(*results));
if (!results)
{
/* Report failure to client. */
response = RPCRT4_BuildBindNackHeader(NDR_LOCAL_DATA_REPRESENTATION,
RPC_VER_MAJOR, RPC_VER_MINOR,
REJECT_LOCAL_LIMIT_EXCEEDED);
goto send;
}
for (i = 0, ctxt_elem = (RpcContextElement *)msg->Buffer;
i < hdr->num_elements;
i++, ctxt_elem = (RpcContextElement *)&ctxt_elem->transfer_syntaxes[ctxt_elem->num_syntaxes])
{
RpcServerInterface* sif = NULL;
unsigned int j;
for (j = 0; !sif && j < ctxt_elem->num_syntaxes; j++)
{
sif = RPCRT4_find_interface(NULL, &ctxt_elem->abstract_syntax,
&ctxt_elem->transfer_syntaxes[j], FALSE);
if (sif)
break;
}
if (sif)
{
RPCRT4_release_server_interface(sif);
TRACE("accepting bind request on connection %p for %s\n", conn,
debugstr_guid(&ctxt_elem->abstract_syntax.SyntaxGUID));
results[i].result = RESULT_ACCEPT;
results[i].reason = REASON_NONE;
results[i].transfer_syntax = ctxt_elem->transfer_syntaxes[j];
/* save the interface for later use */
/* FIXME: save linked list */
conn->ActiveInterface = ctxt_elem->abstract_syntax;
}
else if ((sif = RPCRT4_find_interface(NULL, &ctxt_elem->abstract_syntax,
NULL, FALSE)) != NULL)
{
RPCRT4_release_server_interface(sif);
TRACE("not accepting bind request on connection %p for %s - no transfer syntaxes supported\n",
conn, debugstr_guid(&ctxt_elem->abstract_syntax.SyntaxGUID));
results[i].result = RESULT_PROVIDER_REJECTION;
results[i].reason = REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED;
memset(&results[i].transfer_syntax, 0, sizeof(results[i].transfer_syntax));
}
else
{
TRACE("not accepting bind request on connection %p for %s - abstract syntax not supported\n",
conn, debugstr_guid(&ctxt_elem->abstract_syntax.SyntaxGUID));
results[i].result = RESULT_PROVIDER_REJECTION;
results[i].reason = REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED;
memset(&results[i].transfer_syntax, 0, sizeof(results[i].transfer_syntax));
}
}
/* create temporary binding */
if (RPCRT4_MakeBinding(&conn->server_binding, conn) == RPC_S_OK &&
RpcServerAssoc_GetAssociation(rpcrt4_conn_get_name(conn),
conn->NetworkAddr, conn->Endpoint,
conn->NetworkOptions,
hdr->assoc_gid,
&conn->server_binding->Assoc) == RPC_S_OK)
{
response = RPCRT4_BuildBindAckHeader(NDR_LOCAL_DATA_REPRESENTATION,
RPC_MAX_PACKET_SIZE,
RPC_MAX_PACKET_SIZE,
conn->server_binding->Assoc->assoc_group_id,
conn->Endpoint, hdr->num_elements,
results);
conn->MaxTransmissionSize = hdr->max_tsize;
}
else
{
/* Report failure to client. */
response = RPCRT4_BuildBindNackHeader(NDR_LOCAL_DATA_REPRESENTATION,
RPC_VER_MAJOR, RPC_VER_MINOR,
REJECT_LOCAL_LIMIT_EXCEEDED);
}
HeapFree(GetProcessHeap(), 0, results);
}
send:
if (response)
status = RPCRT4_Send(conn, response, NULL, 0);
else
status = ERROR_OUTOFMEMORY;
RPCRT4_FreeHeader(response);
return status;
}
static RPC_STATUS process_request_packet(RpcConnection *conn, RpcPktRequestHdr *hdr, RPC_MESSAGE *msg)
{
RPC_STATUS status;
RpcPktHdr *response = NULL;
RpcServerInterface* sif;
RPC_DISPATCH_FUNCTION func;
BOOL exception;
UUID *object_uuid;
NDR_SCONTEXT context_handle;
void *buf = msg->Buffer;
/* fail if the connection isn't bound with an interface */
if (UuidIsNil(&conn->ActiveInterface.SyntaxGUID, &status)) {
/* FIXME: should send BindNack instead */
response = RPCRT4_BuildFaultHeader(NDR_LOCAL_DATA_REPRESENTATION,
status);
RPCRT4_Send(conn, response, NULL, 0);
RPCRT4_FreeHeader(response);
return RPC_S_OK;
}
if (hdr->common.flags & RPC_FLG_OBJECT_UUID) {
object_uuid = (UUID*)(hdr + 1);
} else {
object_uuid = NULL;
}
sif = RPCRT4_find_interface(object_uuid, &conn->ActiveInterface, NULL, TRUE);
if (!sif) {
WARN("interface %s no longer registered, returning fault packet\n", debugstr_guid(&conn->ActiveInterface.SyntaxGUID));
response = RPCRT4_BuildFaultHeader(NDR_LOCAL_DATA_REPRESENTATION,
NCA_S_UNK_IF);
RPCRT4_Send(conn, response, NULL, 0);
RPCRT4_FreeHeader(response);
return RPC_S_OK;
}
msg->RpcInterfaceInformation = sif->If;
/* copy the endpoint vector from sif to msg so that midl-generated code will use it */
msg->ManagerEpv = sif->MgrEpv;
if (object_uuid != NULL) {
RPCRT4_SetBindingObject(msg->Handle, object_uuid);
}
/* find dispatch function */
msg->ProcNum = hdr->opnum;
if (sif->Flags & RPC_IF_OLE) {
/* native ole32 always gives us a dispatch table with a single entry
* (I assume that's a wrapper for IRpcStubBuffer::Invoke) */
func = *sif->If->DispatchTable->DispatchTable;
} else {
if (msg->ProcNum >= sif->If->DispatchTable->DispatchTableCount) {
WARN("invalid procnum (%d/%d)\n", msg->ProcNum, sif->If->DispatchTable->DispatchTableCount);
response = RPCRT4_BuildFaultHeader(NDR_LOCAL_DATA_REPRESENTATION,
NCA_S_OP_RNG_ERROR);
RPCRT4_Send(conn, response, NULL, 0);
RPCRT4_FreeHeader(response);
}
func = sif->If->DispatchTable->DispatchTable[msg->ProcNum];
}
/* put in the drep. FIXME: is this more universally applicable?
perhaps we should move this outward... */
msg->DataRepresentation =
MAKELONG( MAKEWORD(hdr->common.drep[0], hdr->common.drep[1]),
MAKEWORD(hdr->common.drep[2], hdr->common.drep[3]));
exception = FALSE;
/* dispatch */
RPCRT4_SetThreadCurrentCallHandle(msg->Handle);
__TRY {
if (func) func(msg);
} __EXCEPT_ALL {
WARN("exception caught with code 0x%08x = %d\n", GetExceptionCode(), GetExceptionCode());
exception = TRUE;
if (GetExceptionCode() == STATUS_ACCESS_VIOLATION)
status = ERROR_NOACCESS;
else
status = GetExceptionCode();
response = RPCRT4_BuildFaultHeader(msg->DataRepresentation,
RPC2NCA_STATUS(status));
} __ENDTRY
RPCRT4_SetThreadCurrentCallHandle(NULL);
/* release any unmarshalled context handles */
while ((context_handle = RPCRT4_PopThreadContextHandle()) != NULL)
RpcServerAssoc_ReleaseContextHandle(conn->server_binding->Assoc, context_handle, TRUE);
if (!exception)
response = RPCRT4_BuildResponseHeader(msg->DataRepresentation,
msg->BufferLength);
/* send response packet */
if (response) {
status = RPCRT4_Send(conn, response, exception ? NULL : msg->Buffer,
exception ? 0 : msg->BufferLength);
RPCRT4_FreeHeader(response);
} else
ERR("out of memory\n");
msg->RpcInterfaceInformation = NULL;
RPCRT4_release_server_interface(sif);
if (msg->Buffer == buf) buf = NULL;
TRACE("freeing Buffer=%p\n", buf);
I_RpcFree(buf);
return status;
}
static void RPCRT4_process_packet(RpcConnection* conn, RpcPktHdr* hdr, RPC_MESSAGE* msg)
{
RPC_STATUS status;
msg->Handle = (RPC_BINDING_HANDLE)conn->server_binding;
switch (hdr->common.ptype) {
case PKT_BIND:
TRACE("got bind packet\n");
status = process_bind_packet(conn, &hdr->bind, msg);
break;
case PKT_REQUEST:
TRACE("got request packet\n");
status = process_request_packet(conn, &hdr->request, msg);
break;
default:
FIXME("unhandled packet type %u\n", hdr->common.ptype);
break;
}
/* clean up */
I_RpcFree(msg->Buffer);
RPCRT4_FreeHeader(hdr);
HeapFree(GetProcessHeap(), 0, msg);
}
static DWORD CALLBACK RPCRT4_worker_thread(LPVOID the_arg)
{
RpcPacket *pkt = the_arg;
RPCRT4_process_packet(pkt->conn, pkt->hdr, pkt->msg);
HeapFree(GetProcessHeap(), 0, pkt);
return 0;
}
static DWORD CALLBACK RPCRT4_io_thread(LPVOID the_arg)
{
RpcConnection* conn = the_arg;
RpcPktHdr *hdr;
RPC_MESSAGE *msg;
RPC_STATUS status;
RpcPacket *packet;
TRACE("(%p)\n", conn);
for (;;) {
msg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RPC_MESSAGE));
status = RPCRT4_Receive(conn, &hdr, msg);
if (status != RPC_S_OK) {
WARN("receive failed with error %x\n", status);
HeapFree(GetProcessHeap(), 0, msg);
break;
}
packet = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcPacket));
if (!packet) {
I_RpcFree(msg->Buffer);
RPCRT4_FreeHeader(hdr);
HeapFree(GetProcessHeap(), 0, msg);
break;
}
packet->conn = conn;
packet->hdr = hdr;
packet->msg = msg;
if (!QueueUserWorkItem(RPCRT4_worker_thread, packet, WT_EXECUTELONGFUNCTION)) {
ERR("couldn't queue work item for worker thread, error was %d\n", GetLastError());
I_RpcFree(msg->Buffer);
RPCRT4_FreeHeader(hdr);
HeapFree(GetProcessHeap(), 0, msg);
HeapFree(GetProcessHeap(), 0, packet);
break;
}
msg = NULL;
}
RPCRT4_DestroyConnection(conn);
return 0;
}
void RPCRT4_new_client(RpcConnection* conn)
{
HANDLE thread = CreateThread(NULL, 0, RPCRT4_io_thread, conn, 0, NULL);
if (!thread) {
DWORD err = GetLastError();
ERR("failed to create thread, error=%08x\n", err);
RPCRT4_DestroyConnection(conn);
}
/* we could set conn->thread, but then we'd have to make the io_thread wait
* for that, otherwise the thread might finish, destroy the connection, and
* free the memory we'd write to before we did, causing crashes and stuff -
* so let's implement that later, when we really need conn->thread */
CloseHandle( thread );
}
static DWORD CALLBACK RPCRT4_server_thread(LPVOID the_arg)
{
int res;
unsigned int count;
void *objs = NULL;
RpcServerProtseq* cps = the_arg;
RpcConnection* conn;
BOOL set_ready_event = FALSE;
TRACE("(the_arg == ^%p)\n", the_arg);
for (;;) {
objs = cps->ops->get_wait_array(cps, objs, &count);
if (set_ready_event)
{
/* signal to function that changed state that we are now sync'ed */
SetEvent(cps->server_ready_event);
set_ready_event = FALSE;
}
/* start waiting */
res = cps->ops->wait_for_new_connection(cps, count, objs);
if (res == -1 || (res == 0 && !std_listen))
{
/* cleanup */
cps->ops->free_wait_array(cps, objs);
EnterCriticalSection(&cps->cs);
for (conn = cps->conn; conn; conn = conn->Next)
RPCRT4_CloseConnection(conn);
LeaveCriticalSection(&cps->cs);
if (res == 0 && !std_listen)
SetEvent(cps->server_ready_event);
break;
}
else if (res == 0)
set_ready_event = TRUE;
}
return 0;
}
/* tells the server thread that the state has changed and waits for it to
* make the changes */
static void RPCRT4_sync_with_server_thread(RpcServerProtseq *ps)
{
/* make sure we are the only thread sync'ing the server state, otherwise
* there is a race with the server thread setting an older state and setting
* the server_ready_event when the new state hasn't yet been applied */
WaitForSingleObject(ps->mgr_mutex, INFINITE);
ps->ops->signal_state_changed(ps);
/* wait for server thread to make the requested changes before returning */
WaitForSingleObject(ps->server_ready_event, INFINITE);
ReleaseMutex(ps->mgr_mutex);
}
static RPC_STATUS RPCRT4_start_listen_protseq(RpcServerProtseq *ps, BOOL auto_listen)
{
RPC_STATUS status = RPC_S_OK;
HANDLE server_thread;
EnterCriticalSection(&listen_cs);
if (ps->is_listening) goto done;
if (!ps->mgr_mutex) ps->mgr_mutex = CreateMutexW(NULL, FALSE, NULL);
if (!ps->server_ready_event) ps->server_ready_event = CreateEventW(NULL, FALSE, FALSE, NULL);
server_thread = CreateThread(NULL, 0, RPCRT4_server_thread, ps, 0, NULL);
if (!server_thread)
{
status = RPC_S_OUT_OF_RESOURCES;
goto done;
}
ps->is_listening = TRUE;
CloseHandle(server_thread);
done:
LeaveCriticalSection(&listen_cs);
return status;
}
static RPC_STATUS RPCRT4_start_listen(BOOL auto_listen)
{
RPC_STATUS status = RPC_S_ALREADY_LISTENING;
RpcServerProtseq *cps;
TRACE("\n");
EnterCriticalSection(&listen_cs);
if (auto_listen || (manual_listen_count++ == 0))
{
status = RPC_S_OK;
if (++listen_count == 1)
std_listen = TRUE;
}
LeaveCriticalSection(&listen_cs);
if (std_listen)
{
EnterCriticalSection(&server_cs);
LIST_FOR_EACH_ENTRY(cps, &protseqs, RpcServerProtseq, entry)
{
status = RPCRT4_start_listen_protseq(cps, TRUE);
if (status != RPC_S_OK)
break;
/* make sure server is actually listening on the interface before
* returning */
RPCRT4_sync_with_server_thread(cps);
}
LeaveCriticalSection(&server_cs);
}
return status;
}
static void RPCRT4_stop_listen(BOOL auto_listen)
{
EnterCriticalSection(&listen_cs);
if (auto_listen || (--manual_listen_count == 0))
{
if (listen_count != 0 && --listen_count == 0) {
RpcServerProtseq *cps;
std_listen = FALSE;
LeaveCriticalSection(&listen_cs);
LIST_FOR_EACH_ENTRY(cps, &protseqs, RpcServerProtseq, entry)
RPCRT4_sync_with_server_thread(cps);
return;
}
assert(listen_count >= 0);
}
LeaveCriticalSection(&listen_cs);
}
static BOOL RPCRT4_protseq_is_endpoint_registered(RpcServerProtseq *protseq, const char *endpoint)
{
RpcConnection *conn;
EnterCriticalSection(&protseq->cs);
for (conn = protseq->conn; conn; conn = conn->Next)
{
if (!endpoint || !strcmp(endpoint, conn->Endpoint))
break;
}
LeaveCriticalSection(&protseq->cs);
return (conn != NULL);
}
static RPC_STATUS RPCRT4_use_protseq(RpcServerProtseq* ps, const char *endpoint)
{
RPC_STATUS status;
EnterCriticalSection(&ps->cs);
if (RPCRT4_protseq_is_endpoint_registered(ps, endpoint))
status = RPC_S_OK;
else
status = ps->ops->open_endpoint(ps, endpoint);
LeaveCriticalSection(&ps->cs);
if (status != RPC_S_OK)
return status;
if (std_listen)
{
status = RPCRT4_start_listen_protseq(ps, FALSE);
if (status == RPC_S_OK)
RPCRT4_sync_with_server_thread(ps);
}
return status;
}
/***********************************************************************
* RpcServerInqBindings (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerInqBindings( RPC_BINDING_VECTOR** BindingVector )
{
RPC_STATUS status;
DWORD count;
RpcServerProtseq* ps;
RpcConnection* conn;
if (BindingVector)
TRACE("(*BindingVector == ^%p)\n", *BindingVector);
else
ERR("(BindingVector == NULL!!?)\n");
EnterCriticalSection(&server_cs);
/* count connections */
count = 0;
LIST_FOR_EACH_ENTRY(ps, &protseqs, RpcServerProtseq, entry) {
EnterCriticalSection(&ps->cs);
for (conn = ps->conn; conn; conn = conn->Next)
count++;
LeaveCriticalSection(&ps->cs);
}
if (count) {
/* export bindings */
*BindingVector = HeapAlloc(GetProcessHeap(), 0,
sizeof(RPC_BINDING_VECTOR) +
sizeof(RPC_BINDING_HANDLE)*(count-1));
(*BindingVector)->Count = count;
count = 0;
LIST_FOR_EACH_ENTRY(ps, &protseqs, RpcServerProtseq, entry) {
EnterCriticalSection(&ps->cs);
for (conn = ps->conn; conn; conn = conn->Next) {
RPCRT4_MakeBinding((RpcBinding**)&(*BindingVector)->BindingH[count],
conn);
count++;
}
LeaveCriticalSection(&ps->cs);
}
status = RPC_S_OK;
} else {
*BindingVector = NULL;
status = RPC_S_NO_BINDINGS;
}
LeaveCriticalSection(&server_cs);
return status;
}
/***********************************************************************
* RpcServerUseProtseqEpA (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqEpA( RPC_CSTR Protseq, UINT MaxCalls, RPC_CSTR Endpoint, LPVOID SecurityDescriptor )
{
RPC_POLICY policy;
TRACE( "(%s,%u,%s,%p)\n", Protseq, MaxCalls, Endpoint, SecurityDescriptor );
/* This should provide the default behaviour */
policy.Length = sizeof( policy );
policy.EndpointFlags = 0;
policy.NICFlags = 0;
return RpcServerUseProtseqEpExA( Protseq, MaxCalls, Endpoint, SecurityDescriptor, &policy );
}
/***********************************************************************
* RpcServerUseProtseqEpW (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqEpW( RPC_WSTR Protseq, UINT MaxCalls, RPC_WSTR Endpoint, LPVOID SecurityDescriptor )
{
RPC_POLICY policy;
TRACE( "(%s,%u,%s,%p)\n", debugstr_w( Protseq ), MaxCalls, debugstr_w( Endpoint ), SecurityDescriptor );
/* This should provide the default behaviour */
policy.Length = sizeof( policy );
policy.EndpointFlags = 0;
policy.NICFlags = 0;
return RpcServerUseProtseqEpExW( Protseq, MaxCalls, Endpoint, SecurityDescriptor, &policy );
}
/***********************************************************************
* alloc_serverprotoseq (internal)
*
* Must be called with server_cs held.
*/
static RPC_STATUS alloc_serverprotoseq(UINT MaxCalls, const char *Protseq, RpcServerProtseq **ps)
{
const struct protseq_ops *ops = rpcrt4_get_protseq_ops(Protseq);
if (!ops)
{
FIXME("protseq %s not supported\n", debugstr_a(Protseq));
return RPC_S_PROTSEQ_NOT_SUPPORTED;
}
*ps = ops->alloc();
if (!*ps)
return RPC_S_OUT_OF_RESOURCES;
(*ps)->MaxCalls = MaxCalls;
(*ps)->Protseq = RPCRT4_strdupA(Protseq);
(*ps)->ops = ops;
(*ps)->MaxCalls = 0;
(*ps)->conn = NULL;
InitializeCriticalSection(&(*ps)->cs);
(*ps)->is_listening = FALSE;
(*ps)->mgr_mutex = NULL;
(*ps)->server_ready_event = NULL;
list_add_head(&protseqs, &(*ps)->entry);
TRACE("new protseq %p created for %s\n", *ps, Protseq);
return RPC_S_OK;
}
/* must be called with server_cs held */
static void destroy_serverprotoseq(RpcServerProtseq *ps)
{
RPCRT4_strfree(ps->Protseq);
DeleteCriticalSection(&ps->cs);
CloseHandle(ps->mgr_mutex);
CloseHandle(ps->server_ready_event);
list_remove(&ps->entry);
HeapFree(GetProcessHeap(), 0, ps);
}
/* Finds a given protseq or creates a new one if one doesn't already exist */
static RPC_STATUS RPCRT4_get_or_create_serverprotseq(UINT MaxCalls, const char *Protseq, RpcServerProtseq **ps)
{
RPC_STATUS status;
RpcServerProtseq *cps;
EnterCriticalSection(&server_cs);
LIST_FOR_EACH_ENTRY(cps, &protseqs, RpcServerProtseq, entry)
if (!strcmp(cps->Protseq, Protseq))
{
TRACE("found existing protseq object for %s\n", Protseq);
*ps = cps;
LeaveCriticalSection(&server_cs);
return S_OK;
}
status = alloc_serverprotoseq(MaxCalls, Protseq, ps);
LeaveCriticalSection(&server_cs);
return status;
}
/***********************************************************************
* RpcServerUseProtseqEpExA (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqEpExA( RPC_CSTR Protseq, UINT MaxCalls, RPC_CSTR Endpoint, LPVOID SecurityDescriptor,
PRPC_POLICY lpPolicy )
{
RpcServerProtseq* ps;
RPC_STATUS status;
TRACE("(%s,%u,%s,%p,{%u,%u,%u})\n", debugstr_a((const char *)Protseq),
MaxCalls, debugstr_a((const char *)Endpoint), SecurityDescriptor,
lpPolicy->Length, lpPolicy->EndpointFlags, lpPolicy->NICFlags );
status = RPCRT4_get_or_create_serverprotseq(MaxCalls, (const char *)Protseq, &ps);
if (status != RPC_S_OK)
return status;
return RPCRT4_use_protseq(ps, (const char *)Endpoint);
}
/***********************************************************************
* RpcServerUseProtseqEpExW (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqEpExW( RPC_WSTR Protseq, UINT MaxCalls, RPC_WSTR Endpoint, LPVOID SecurityDescriptor,
PRPC_POLICY lpPolicy )
{
RpcServerProtseq* ps;
RPC_STATUS status;
LPSTR ProtseqA;
LPSTR EndpointA;
TRACE("(%s,%u,%s,%p,{%u,%u,%u})\n", debugstr_w( Protseq ), MaxCalls,
debugstr_w( Endpoint ), SecurityDescriptor,
lpPolicy->Length, lpPolicy->EndpointFlags, lpPolicy->NICFlags );
ProtseqA = RPCRT4_strdupWtoA(Protseq);
status = RPCRT4_get_or_create_serverprotseq(MaxCalls, ProtseqA, &ps);
RPCRT4_strfree(ProtseqA);
if (status != RPC_S_OK)
return status;
EndpointA = RPCRT4_strdupWtoA(Endpoint);
status = RPCRT4_use_protseq(ps, EndpointA);
RPCRT4_strfree(EndpointA);
return status;
}
/***********************************************************************
* RpcServerUseProtseqA (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqA(RPC_CSTR Protseq, unsigned int MaxCalls, void *SecurityDescriptor)
{
RPC_STATUS status;
RpcServerProtseq* ps;
TRACE("(Protseq == %s, MaxCalls == %d, SecurityDescriptor == ^%p)\n", debugstr_a((char*)Protseq), MaxCalls, SecurityDescriptor);
status = RPCRT4_get_or_create_serverprotseq(MaxCalls, (const char *)Protseq, &ps);
if (status != RPC_S_OK)
return status;
return RPCRT4_use_protseq(ps, NULL);
}
/***********************************************************************
* RpcServerUseProtseqW (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUseProtseqW(RPC_WSTR Protseq, unsigned int MaxCalls, void *SecurityDescriptor)
{
RPC_STATUS status;
RpcServerProtseq* ps;
LPSTR ProtseqA;
TRACE("Protseq == %s, MaxCalls == %d, SecurityDescriptor == ^%p)\n", debugstr_w(Protseq), MaxCalls, SecurityDescriptor);
ProtseqA = RPCRT4_strdupWtoA(Protseq);
status = RPCRT4_get_or_create_serverprotseq(MaxCalls, ProtseqA, &ps);
RPCRT4_strfree(ProtseqA);
if (status != RPC_S_OK)
return status;
return RPCRT4_use_protseq(ps, NULL);
}
void RPCRT4_destroy_all_protseqs(void)
{
RpcServerProtseq *cps, *cursor2;
if (listen_count != 0)
std_listen = FALSE;
EnterCriticalSection(&server_cs);
LIST_FOR_EACH_ENTRY_SAFE(cps, cursor2, &protseqs, RpcServerProtseq, entry)
{
if (listen_count != 0)
RPCRT4_sync_with_server_thread(cps);
destroy_serverprotoseq(cps);
}
LeaveCriticalSection(&server_cs);
}
/***********************************************************************
* RpcServerRegisterIf (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerRegisterIf( RPC_IF_HANDLE IfSpec, UUID* MgrTypeUuid, RPC_MGR_EPV* MgrEpv )
{
TRACE("(%p,%s,%p)\n", IfSpec, debugstr_guid(MgrTypeUuid), MgrEpv);
return RpcServerRegisterIf2( IfSpec, MgrTypeUuid, MgrEpv, 0, RPC_C_LISTEN_MAX_CALLS_DEFAULT, (UINT)-1, NULL );
}
/***********************************************************************
* RpcServerRegisterIfEx (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerRegisterIfEx( RPC_IF_HANDLE IfSpec, UUID* MgrTypeUuid, RPC_MGR_EPV* MgrEpv,
UINT Flags, UINT MaxCalls, RPC_IF_CALLBACK_FN* IfCallbackFn )
{
TRACE("(%p,%s,%p,%u,%u,%p)\n", IfSpec, debugstr_guid(MgrTypeUuid), MgrEpv, Flags, MaxCalls, IfCallbackFn);
return RpcServerRegisterIf2( IfSpec, MgrTypeUuid, MgrEpv, Flags, MaxCalls, (UINT)-1, IfCallbackFn );
}
/***********************************************************************
* RpcServerRegisterIf2 (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerRegisterIf2( RPC_IF_HANDLE IfSpec, UUID* MgrTypeUuid, RPC_MGR_EPV* MgrEpv,
UINT Flags, UINT MaxCalls, UINT MaxRpcSize, RPC_IF_CALLBACK_FN* IfCallbackFn )
{
PRPC_SERVER_INTERFACE If = IfSpec;
RpcServerInterface* sif;
unsigned int i;
TRACE("(%p,%s,%p,%u,%u,%u,%p)\n", IfSpec, debugstr_guid(MgrTypeUuid), MgrEpv, Flags, MaxCalls,
MaxRpcSize, IfCallbackFn);
TRACE(" interface id: %s %d.%d\n", debugstr_guid(&If->InterfaceId.SyntaxGUID),
If->InterfaceId.SyntaxVersion.MajorVersion,
If->InterfaceId.SyntaxVersion.MinorVersion);
TRACE(" transfer syntax: %s %d.%d\n", debugstr_guid(&If->TransferSyntax.SyntaxGUID),
If->TransferSyntax.SyntaxVersion.MajorVersion,
If->TransferSyntax.SyntaxVersion.MinorVersion);
TRACE(" dispatch table: %p\n", If->DispatchTable);
if (If->DispatchTable) {
TRACE(" dispatch table count: %d\n", If->DispatchTable->DispatchTableCount);
for (i=0; i<If->DispatchTable->DispatchTableCount; i++) {
TRACE(" entry %d: %p\n", i, If->DispatchTable->DispatchTable[i]);
}
TRACE(" reserved: %ld\n", If->DispatchTable->Reserved);
}
TRACE(" protseq endpoint count: %d\n", If->RpcProtseqEndpointCount);
TRACE(" default manager epv: %p\n", If->DefaultManagerEpv);
TRACE(" interpreter info: %p\n", If->InterpreterInfo);
sif = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcServerInterface));
sif->If = If;
if (MgrTypeUuid) {
sif->MgrTypeUuid = *MgrTypeUuid;
sif->MgrEpv = MgrEpv;
} else {
memset(&sif->MgrTypeUuid, 0, sizeof(UUID));
sif->MgrEpv = If->DefaultManagerEpv;
}
sif->Flags = Flags;
sif->MaxCalls = MaxCalls;
sif->MaxRpcSize = MaxRpcSize;
sif->IfCallbackFn = IfCallbackFn;
EnterCriticalSection(&server_cs);
list_add_head(&server_interfaces, &sif->entry);
LeaveCriticalSection(&server_cs);
if (sif->Flags & RPC_IF_AUTOLISTEN)
RPCRT4_start_listen(TRUE);
return RPC_S_OK;
}
/***********************************************************************
* RpcServerUnregisterIf (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUnregisterIf( RPC_IF_HANDLE IfSpec, UUID* MgrTypeUuid, UINT WaitForCallsToComplete )
{
PRPC_SERVER_INTERFACE If = IfSpec;
HANDLE event = NULL;
BOOL found = FALSE;
BOOL completed = TRUE;
RpcServerInterface *cif;
RPC_STATUS status;
TRACE("(IfSpec == (RPC_IF_HANDLE)^%p (%s), MgrTypeUuid == %s, WaitForCallsToComplete == %u)\n",
IfSpec, debugstr_guid(&If->InterfaceId.SyntaxGUID), debugstr_guid(MgrTypeUuid), WaitForCallsToComplete);
EnterCriticalSection(&server_cs);
LIST_FOR_EACH_ENTRY(cif, &server_interfaces, RpcServerInterface, entry) {
if ((!IfSpec || !memcmp(&If->InterfaceId, &cif->If->InterfaceId, sizeof(RPC_SYNTAX_IDENTIFIER))) &&
UuidEqual(MgrTypeUuid, &cif->MgrTypeUuid, &status)) {
list_remove(&cif->entry);
TRACE("unregistering cif %p\n", cif);
if (cif->CurrentCalls) {
completed = FALSE;
cif->Delete = TRUE;
if (WaitForCallsToComplete)
cif->CallsCompletedEvent = event = CreateEventW(NULL, FALSE, FALSE, NULL);
}
found = TRUE;
break;
}
}
LeaveCriticalSection(&server_cs);
if (!found) {
ERR("not found for object %s\n", debugstr_guid(MgrTypeUuid));
return RPC_S_UNKNOWN_IF;
}
if (completed)
HeapFree(GetProcessHeap(), 0, cif);
else if (event) {
/* sif will be freed when the last call is completed, so be careful not to
* touch that memory here as that could happen before we get here */
WaitForSingleObject(event, INFINITE);
CloseHandle(event);
}
return RPC_S_OK;
}
/***********************************************************************
* RpcServerUnregisterIfEx (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerUnregisterIfEx( RPC_IF_HANDLE IfSpec, UUID* MgrTypeUuid, int RundownContextHandles )
{
FIXME("(IfSpec == (RPC_IF_HANDLE)^%p, MgrTypeUuid == %s, RundownContextHandles == %d): stub\n",
IfSpec, debugstr_guid(MgrTypeUuid), RundownContextHandles);
return RPC_S_OK;
}
/***********************************************************************
* RpcObjectSetType (RPCRT4.@)
*
* PARAMS
* ObjUuid [I] "Object" UUID
* TypeUuid [I] "Type" UUID
*
* RETURNS
* RPC_S_OK The call succeeded
* RPC_S_INVALID_OBJECT The provided object (nil) is not valid
* RPC_S_ALREADY_REGISTERED The provided object is already registered
*
* Maps "Object" UUIDs to "Type" UUID's. Passing the nil UUID as the type
* resets the mapping for the specified object UUID to nil (the default).
* The nil object is always associated with the nil type and cannot be
* reassigned. Servers can support multiple implementations on the same
* interface by registering different end-point vectors for the different
* types. There's no need to call this if a server only supports the nil
* type, as is typical.
*/
RPC_STATUS WINAPI RpcObjectSetType( UUID* ObjUuid, UUID* TypeUuid )
{
RpcObjTypeMap *map = RpcObjTypeMaps, *prev = NULL;
RPC_STATUS dummy;
TRACE("(ObjUUID == %s, TypeUuid == %s).\n", debugstr_guid(ObjUuid), debugstr_guid(TypeUuid));
if ((! ObjUuid) || UuidIsNil(ObjUuid, &dummy)) {
/* nil uuid cannot be remapped */
return RPC_S_INVALID_OBJECT;
}
/* find the mapping for this object if there is one ... */
while (map) {
if (! UuidCompare(ObjUuid, &map->Object, &dummy)) break;
prev = map;
map = map->next;
}
if ((! TypeUuid) || UuidIsNil(TypeUuid, &dummy)) {
/* ... and drop it from the list */
if (map) {
if (prev)
prev->next = map->next;
else
RpcObjTypeMaps = map->next;
HeapFree(GetProcessHeap(), 0, map);
}
} else {
/* ... , fail if we found it ... */
if (map)
return RPC_S_ALREADY_REGISTERED;
/* ... otherwise create a new one and add it in. */
map = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcObjTypeMap));
map->Object = *ObjUuid;
map->Type = *TypeUuid;
map->next = NULL;
if (prev)
prev->next = map; /* prev is the last map in the linklist */
else
RpcObjTypeMaps = map;
}
return RPC_S_OK;
}
/***********************************************************************
* RpcServerRegisterAuthInfoA (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerRegisterAuthInfoA( RPC_CSTR ServerPrincName, ULONG AuthnSvc, RPC_AUTH_KEY_RETRIEVAL_FN GetKeyFn,
LPVOID Arg )
{
FIXME( "(%s,%u,%p,%p): stub\n", ServerPrincName, AuthnSvc, GetKeyFn, Arg );
return RPC_S_UNKNOWN_AUTHN_SERVICE; /* We don't know any authentication services */
}
/***********************************************************************
* RpcServerRegisterAuthInfoW (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerRegisterAuthInfoW( RPC_WSTR ServerPrincName, ULONG AuthnSvc, RPC_AUTH_KEY_RETRIEVAL_FN GetKeyFn,
LPVOID Arg )
{
FIXME( "(%s,%u,%p,%p): stub\n", debugstr_w( ServerPrincName ), AuthnSvc, GetKeyFn, Arg );
return RPC_S_UNKNOWN_AUTHN_SERVICE; /* We don't know any authentication services */
}
/***********************************************************************
* RpcServerListen (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcServerListen( UINT MinimumCallThreads, UINT MaxCalls, UINT DontWait )
{
RPC_STATUS status = RPC_S_OK;
TRACE("(%u,%u,%u)\n", MinimumCallThreads, MaxCalls, DontWait);
if (list_empty(&protseqs))
return RPC_S_NO_PROTSEQS_REGISTERED;
status = RPCRT4_start_listen(FALSE);
if (DontWait || (status != RPC_S_OK)) return status;
return RpcMgmtWaitServerListen();
}
/***********************************************************************
* RpcMgmtServerWaitListen (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtWaitServerListen( void )
{
TRACE("()\n");
EnterCriticalSection(&listen_cs);
if (!std_listen) {
LeaveCriticalSection(&listen_cs);
return RPC_S_NOT_LISTENING;
}
LeaveCriticalSection(&listen_cs);
FIXME("not waiting for server calls to finish\n");
return RPC_S_OK;
}
/***********************************************************************
* RpcMgmtStopServerListening (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtStopServerListening ( RPC_BINDING_HANDLE Binding )
{
TRACE("(Binding == (RPC_BINDING_HANDLE)^%p)\n", Binding);
if (Binding) {
FIXME("client-side invocation not implemented.\n");
return RPC_S_WRONG_KIND_OF_BINDING;
}
RPCRT4_stop_listen(FALSE);
return RPC_S_OK;
}
/***********************************************************************
* RpcMgmtEnableIdleCleanup (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtEnableIdleCleanup(void)
{
FIXME("(): stub\n");
return RPC_S_OK;
}
/***********************************************************************
* I_RpcServerStartListening (RPCRT4.@)
*/
RPC_STATUS WINAPI I_RpcServerStartListening( HWND hWnd )
{
FIXME( "(%p): stub\n", hWnd );
return RPC_S_OK;
}
/***********************************************************************
* I_RpcServerStopListening (RPCRT4.@)
*/
RPC_STATUS WINAPI I_RpcServerStopListening( void )
{
FIXME( "(): stub\n" );
return RPC_S_OK;
}
/***********************************************************************
* I_RpcWindowProc (RPCRT4.@)
*/
UINT WINAPI I_RpcWindowProc( void *hWnd, UINT Message, UINT wParam, ULONG lParam )
{
FIXME( "(%p,%08x,%08x,%08x): stub\n", hWnd, Message, wParam, lParam );
return 0;
}
/***********************************************************************
* RpcMgmtInqIfIds (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtInqIfIds(RPC_BINDING_HANDLE Binding, RPC_IF_ID_VECTOR **IfIdVector)
{
FIXME("(%p,%p): stub\n", Binding, IfIdVector);
return RPC_S_INVALID_BINDING;
}
/***********************************************************************
* RpcMgmtInqStats (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtInqStats(RPC_BINDING_HANDLE Binding, RPC_STATS_VECTOR **Statistics)
{
RPC_STATS_VECTOR *stats;
FIXME("(%p,%p)\n", Binding, Statistics);
if ((stats = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_STATS_VECTOR))))
{
stats->Count = 1;
stats->Stats[0] = 0;
*Statistics = stats;
return RPC_S_OK;
}
return RPC_S_OUT_OF_RESOURCES;
}
/***********************************************************************
* RpcMgmtStatsVectorFree (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtStatsVectorFree(RPC_STATS_VECTOR **StatsVector)
{
FIXME("(%p)\n", StatsVector);
if (StatsVector)
{
HeapFree(GetProcessHeap(), 0, *StatsVector);
*StatsVector = NULL;
}
return RPC_S_OK;
}
/***********************************************************************
* RpcMgmtEpEltInqBegin (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtEpEltInqBegin(RPC_BINDING_HANDLE Binding, ULONG InquiryType,
RPC_IF_ID *IfId, ULONG VersOption, UUID *ObjectUuid, RPC_EP_INQ_HANDLE* InquiryContext)
{
FIXME("(%p,%u,%p,%u,%p,%p): stub\n",
Binding, InquiryType, IfId, VersOption, ObjectUuid, InquiryContext);
return RPC_S_INVALID_BINDING;
}
/***********************************************************************
* RpcMgmtIsServerListening (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtIsServerListening(RPC_BINDING_HANDLE Binding)
{
FIXME("(%p): stub\n", Binding);
return RPC_S_INVALID_BINDING;
}
/***********************************************************************
* RpcMgmtSetServerStackSize (RPCRT4.@)
*/
RPC_STATUS WINAPI RpcMgmtSetServerStackSize(ULONG ThreadStackSize)
{
FIXME("(0x%x): stub\n", ThreadStackSize);
return RPC_S_OK;
}
/***********************************************************************
* I_RpcGetCurrentCallHandle (RPCRT4.@)
*/
RPC_BINDING_HANDLE WINAPI I_RpcGetCurrentCallHandle(void)
{
TRACE("\n");
return RPCRT4_GetThreadCurrentCallHandle();
}
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