1631 lines
47 KiB
C
1631 lines
47 KiB
C
/*
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* RPC transport layer
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*
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* Copyright 2001 Ove Kåven, TransGaming Technologies
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* Copyright 2003 Mike Hearn
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* Copyright 2004 Filip Navara
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* Copyright 2006 Mike McCormack
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* Copyright 2006 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_NETINET_TCP_H
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# include <netinet/tcp.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_SYS_POLL_H
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#include <sys/poll.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "wine/unicode.h"
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#include "rpc.h"
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#include "rpcndr.h"
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#include "wine/debug.h"
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#include "rpc_binding.h"
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#include "rpc_message.h"
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#include "rpc_server.h"
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#include "epm_towers.h"
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#ifndef SOL_TCP
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# define SOL_TCP IPPROTO_TCP
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#endif
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WINE_DEFAULT_DEBUG_CHANNEL(rpc);
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/**** ncacn_np support ****/
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typedef struct _RpcConnection_np
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{
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RpcConnection common;
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HANDLE pipe;
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OVERLAPPED ovl;
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BOOL listening;
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} RpcConnection_np;
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static RpcConnection *rpcrt4_conn_np_alloc(void)
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{
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RpcConnection_np *npc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_np));
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if (npc)
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{
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npc->pipe = NULL;
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memset(&npc->ovl, 0, sizeof(npc->ovl));
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npc->listening = FALSE;
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}
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return &npc->common;
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}
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static RPC_STATUS rpcrt4_conn_listen_pipe(RpcConnection_np *npc)
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{
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if (npc->listening)
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return RPC_S_OK;
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npc->listening = TRUE;
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if (ConnectNamedPipe(npc->pipe, &npc->ovl))
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return RPC_S_OK;
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if (GetLastError() == ERROR_PIPE_CONNECTED) {
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SetEvent(npc->ovl.hEvent);
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return RPC_S_OK;
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}
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if (GetLastError() == ERROR_IO_PENDING) {
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/* will be completed in rpcrt4_protseq_np_wait_for_new_connection */
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return RPC_S_OK;
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}
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npc->listening = FALSE;
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WARN("Couldn't ConnectNamedPipe (error was %d)\n", GetLastError());
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return RPC_S_OUT_OF_RESOURCES;
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}
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static RPC_STATUS rpcrt4_conn_create_pipe(RpcConnection *Connection, LPCSTR pname)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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TRACE("listening on %s\n", pname);
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npc->pipe = CreateNamedPipeA(pname, PIPE_ACCESS_DUPLEX,
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PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
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PIPE_UNLIMITED_INSTANCES,
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RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, NULL);
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if (npc->pipe == INVALID_HANDLE_VALUE) {
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WARN("CreateNamedPipe failed with error %d\n", GetLastError());
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if (GetLastError() == ERROR_FILE_EXISTS)
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return RPC_S_DUPLICATE_ENDPOINT;
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else
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return RPC_S_CANT_CREATE_ENDPOINT;
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}
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memset(&npc->ovl, 0, sizeof(npc->ovl));
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npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
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/* Note: we don't call ConnectNamedPipe here because it must be done in the
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* server thread as the thread must be alertable */
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return RPC_S_OK;
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}
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static RPC_STATUS rpcrt4_conn_open_pipe(RpcConnection *Connection, LPCSTR pname, BOOL wait)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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HANDLE pipe;
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DWORD err, dwMode;
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TRACE("connecting to %s\n", pname);
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while (TRUE) {
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DWORD dwFlags = 0;
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if (Connection->QOS)
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{
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dwFlags = SECURITY_SQOS_PRESENT;
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switch (Connection->QOS->qos->ImpersonationType)
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{
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case RPC_C_IMP_LEVEL_DEFAULT:
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/* FIXME: what to do here? */
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break;
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case RPC_C_IMP_LEVEL_ANONYMOUS:
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dwFlags |= SECURITY_ANONYMOUS;
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break;
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case RPC_C_IMP_LEVEL_IDENTIFY:
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dwFlags |= SECURITY_IDENTIFICATION;
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break;
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case RPC_C_IMP_LEVEL_IMPERSONATE:
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dwFlags |= SECURITY_IMPERSONATION;
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break;
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case RPC_C_IMP_LEVEL_DELEGATE:
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dwFlags |= SECURITY_DELEGATION;
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break;
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}
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if (Connection->QOS->qos->IdentityTracking == RPC_C_QOS_IDENTIFY_DYNAMIC)
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dwFlags |= SECURITY_CONTEXT_TRACKING;
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}
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pipe = CreateFileA(pname, GENERIC_READ|GENERIC_WRITE, 0, NULL,
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OPEN_EXISTING, dwFlags, 0);
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if (pipe != INVALID_HANDLE_VALUE) break;
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err = GetLastError();
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if (err == ERROR_PIPE_BUSY) {
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TRACE("connection failed, error=%x\n", err);
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return RPC_S_SERVER_TOO_BUSY;
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}
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if (!wait)
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return RPC_S_SERVER_UNAVAILABLE;
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if (!WaitNamedPipeA(pname, NMPWAIT_WAIT_FOREVER)) {
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err = GetLastError();
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WARN("connection failed, error=%x\n", err);
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return RPC_S_SERVER_UNAVAILABLE;
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}
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}
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/* success */
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memset(&npc->ovl, 0, sizeof(npc->ovl));
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/* pipe is connected; change to message-read mode. */
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dwMode = PIPE_READMODE_MESSAGE;
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SetNamedPipeHandleState(pipe, &dwMode, NULL, NULL);
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npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
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npc->pipe = pipe;
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return RPC_S_OK;
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}
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static RPC_STATUS rpcrt4_ncalrpc_open(RpcConnection* Connection)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
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RPC_STATUS r;
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LPSTR pname;
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/* already connected? */
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if (npc->pipe)
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return RPC_S_OK;
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/* protseq=ncalrpc: supposed to use NT LPC ports,
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* but we'll implement it with named pipes for now */
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pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
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strcat(strcpy(pname, prefix), Connection->Endpoint);
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r = rpcrt4_conn_open_pipe(Connection, pname, TRUE);
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I_RpcFree(pname);
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return r;
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}
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static RPC_STATUS rpcrt4_protseq_ncalrpc_open_endpoint(RpcServerProtseq* protseq, LPSTR endpoint)
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{
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static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
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RPC_STATUS r;
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LPSTR pname;
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RpcConnection *Connection;
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r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
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endpoint, NULL, NULL, NULL);
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if (r != RPC_S_OK)
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return r;
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/* protseq=ncalrpc: supposed to use NT LPC ports,
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* but we'll implement it with named pipes for now */
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pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
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strcat(strcpy(pname, prefix), Connection->Endpoint);
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r = rpcrt4_conn_create_pipe(Connection, pname);
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I_RpcFree(pname);
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EnterCriticalSection(&protseq->cs);
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Connection->Next = protseq->conn;
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protseq->conn = Connection;
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LeaveCriticalSection(&protseq->cs);
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return r;
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}
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static RPC_STATUS rpcrt4_ncacn_np_open(RpcConnection* Connection)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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static const char prefix[] = "\\\\.";
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RPC_STATUS r;
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LPSTR pname;
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/* already connected? */
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if (npc->pipe)
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return RPC_S_OK;
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/* protseq=ncacn_np: named pipes */
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pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
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strcat(strcpy(pname, prefix), Connection->Endpoint);
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r = rpcrt4_conn_open_pipe(Connection, pname, FALSE);
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I_RpcFree(pname);
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return r;
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}
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static RPC_STATUS rpcrt4_protseq_ncacn_np_open_endpoint(RpcServerProtseq *protseq, LPSTR endpoint)
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{
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static const char prefix[] = "\\\\.";
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RPC_STATUS r;
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LPSTR pname;
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RpcConnection *Connection;
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r = RPCRT4_CreateConnection(&Connection, TRUE, protseq->Protseq, NULL,
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endpoint, NULL, NULL, NULL);
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if (r != RPC_S_OK)
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return r;
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/* protseq=ncacn_np: named pipes */
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pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1);
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strcat(strcpy(pname, prefix), Connection->Endpoint);
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r = rpcrt4_conn_create_pipe(Connection, pname);
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I_RpcFree(pname);
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EnterCriticalSection(&protseq->cs);
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Connection->Next = protseq->conn;
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protseq->conn = Connection;
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LeaveCriticalSection(&protseq->cs);
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return r;
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}
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static void rpcrt4_conn_np_handoff(RpcConnection_np *old_npc, RpcConnection_np *new_npc)
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{
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/* because of the way named pipes work, we'll transfer the connected pipe
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* to the child, then reopen the server binding to continue listening */
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new_npc->pipe = old_npc->pipe;
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new_npc->ovl = old_npc->ovl;
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old_npc->pipe = 0;
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memset(&old_npc->ovl, 0, sizeof(old_npc->ovl));
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old_npc->listening = FALSE;
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}
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static RPC_STATUS rpcrt4_ncacn_np_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
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{
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RPC_STATUS status;
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LPSTR pname;
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static const char prefix[] = "\\\\.";
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rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
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pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
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strcat(strcpy(pname, prefix), old_conn->Endpoint);
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status = rpcrt4_conn_create_pipe(old_conn, pname);
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I_RpcFree(pname);
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return status;
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}
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static RPC_STATUS rpcrt4_ncalrpc_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
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{
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RPC_STATUS status;
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LPSTR pname;
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static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
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TRACE("%s\n", old_conn->Endpoint);
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rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
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pname = I_RpcAllocate(strlen(prefix) + strlen(old_conn->Endpoint) + 1);
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strcat(strcpy(pname, prefix), old_conn->Endpoint);
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status = rpcrt4_conn_create_pipe(old_conn, pname);
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I_RpcFree(pname);
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return status;
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}
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static int rpcrt4_conn_np_read(RpcConnection *Connection,
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void *buffer, unsigned int count)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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char *buf = buffer;
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BOOL ret = TRUE;
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unsigned int bytes_left = count;
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while (bytes_left)
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{
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DWORD bytes_read;
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ret = ReadFile(npc->pipe, buf, bytes_left, &bytes_read, NULL);
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if (!ret || !bytes_read)
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break;
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bytes_left -= bytes_read;
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buf += bytes_read;
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}
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return ret ? count : -1;
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}
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static int rpcrt4_conn_np_write(RpcConnection *Connection,
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const void *buffer, unsigned int count)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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const char *buf = buffer;
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BOOL ret = TRUE;
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unsigned int bytes_left = count;
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while (bytes_left)
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{
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DWORD bytes_written;
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ret = WriteFile(npc->pipe, buf, count, &bytes_written, NULL);
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if (!ret || !bytes_written)
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break;
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bytes_left -= bytes_written;
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buf += bytes_written;
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}
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return ret ? count : -1;
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}
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static int rpcrt4_conn_np_close(RpcConnection *Connection)
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{
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RpcConnection_np *npc = (RpcConnection_np *) Connection;
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if (npc->pipe) {
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FlushFileBuffers(npc->pipe);
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CloseHandle(npc->pipe);
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npc->pipe = 0;
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}
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if (npc->ovl.hEvent) {
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CloseHandle(npc->ovl.hEvent);
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npc->ovl.hEvent = 0;
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}
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return 0;
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}
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static void rpcrt4_conn_np_cancel_call(RpcConnection *Connection)
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{
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/* FIXME: implement when named pipe writes use overlapped I/O */
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}
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static size_t rpcrt4_ncacn_np_get_top_of_tower(unsigned char *tower_data,
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const char *networkaddr,
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const char *endpoint)
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{
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twr_empty_floor_t *smb_floor;
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twr_empty_floor_t *nb_floor;
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size_t size;
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size_t networkaddr_size;
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size_t endpoint_size;
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TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
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networkaddr_size = strlen(networkaddr) + 1;
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endpoint_size = strlen(endpoint) + 1;
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size = sizeof(*smb_floor) + endpoint_size + sizeof(*nb_floor) + networkaddr_size;
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if (!tower_data)
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return size;
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smb_floor = (twr_empty_floor_t *)tower_data;
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tower_data += sizeof(*smb_floor);
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smb_floor->count_lhs = sizeof(smb_floor->protid);
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smb_floor->protid = EPM_PROTOCOL_SMB;
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smb_floor->count_rhs = endpoint_size;
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memcpy(tower_data, endpoint, endpoint_size);
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tower_data += endpoint_size;
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nb_floor = (twr_empty_floor_t *)tower_data;
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tower_data += sizeof(*nb_floor);
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nb_floor->count_lhs = sizeof(nb_floor->protid);
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nb_floor->protid = EPM_PROTOCOL_NETBIOS;
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nb_floor->count_rhs = networkaddr_size;
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memcpy(tower_data, networkaddr, networkaddr_size);
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tower_data += networkaddr_size;
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return size;
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}
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static RPC_STATUS rpcrt4_ncacn_np_parse_top_of_tower(const unsigned char *tower_data,
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size_t tower_size,
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char **networkaddr,
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char **endpoint)
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{
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const twr_empty_floor_t *smb_floor = (const twr_empty_floor_t *)tower_data;
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const twr_empty_floor_t *nb_floor;
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TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
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if (tower_size < sizeof(*smb_floor))
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return EPT_S_NOT_REGISTERED;
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tower_data += sizeof(*smb_floor);
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tower_size -= sizeof(*smb_floor);
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if ((smb_floor->count_lhs != sizeof(smb_floor->protid)) ||
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(smb_floor->protid != EPM_PROTOCOL_SMB) ||
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(smb_floor->count_rhs > tower_size))
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return EPT_S_NOT_REGISTERED;
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|
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if (endpoint)
|
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{
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*endpoint = I_RpcAllocate(smb_floor->count_rhs);
|
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if (!*endpoint)
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return RPC_S_OUT_OF_RESOURCES;
|
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memcpy(*endpoint, tower_data, smb_floor->count_rhs);
|
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}
|
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tower_data += smb_floor->count_rhs;
|
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tower_size -= smb_floor->count_rhs;
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|
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if (tower_size < sizeof(*nb_floor))
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return EPT_S_NOT_REGISTERED;
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|
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nb_floor = (const twr_empty_floor_t *)tower_data;
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|
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tower_data += sizeof(*nb_floor);
|
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tower_size -= sizeof(*nb_floor);
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|
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if ((nb_floor->count_lhs != sizeof(nb_floor->protid)) ||
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(nb_floor->protid != EPM_PROTOCOL_NETBIOS) ||
|
|
(nb_floor->count_rhs > tower_size))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
if (networkaddr)
|
|
{
|
|
*networkaddr = I_RpcAllocate(nb_floor->count_rhs);
|
|
if (!*networkaddr)
|
|
{
|
|
if (endpoint)
|
|
{
|
|
I_RpcFree(*endpoint);
|
|
*endpoint = NULL;
|
|
}
|
|
return RPC_S_OUT_OF_RESOURCES;
|
|
}
|
|
memcpy(*networkaddr, tower_data, nb_floor->count_rhs);
|
|
}
|
|
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
typedef struct _RpcServerProtseq_np
|
|
{
|
|
RpcServerProtseq common;
|
|
HANDLE mgr_event;
|
|
} RpcServerProtseq_np;
|
|
|
|
static RpcServerProtseq *rpcrt4_protseq_np_alloc(void)
|
|
{
|
|
RpcServerProtseq_np *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
|
|
if (ps)
|
|
ps->mgr_event = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
return &ps->common;
|
|
}
|
|
|
|
static void rpcrt4_protseq_np_signal_state_changed(RpcServerProtseq *protseq)
|
|
{
|
|
RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
|
|
SetEvent(npps->mgr_event);
|
|
}
|
|
|
|
static void *rpcrt4_protseq_np_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
|
|
{
|
|
HANDLE *objs = prev_array;
|
|
RpcConnection_np *conn;
|
|
RpcServerProtseq_np *npps = CONTAINING_RECORD(protseq, RpcServerProtseq_np, common);
|
|
|
|
EnterCriticalSection(&protseq->cs);
|
|
|
|
/* open and count connections */
|
|
*count = 1;
|
|
conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
|
|
while (conn) {
|
|
rpcrt4_conn_listen_pipe(conn);
|
|
if (conn->ovl.hEvent)
|
|
(*count)++;
|
|
conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
|
|
}
|
|
|
|
/* make array of connections */
|
|
if (objs)
|
|
objs = HeapReAlloc(GetProcessHeap(), 0, objs, *count*sizeof(HANDLE));
|
|
else
|
|
objs = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(HANDLE));
|
|
if (!objs)
|
|
{
|
|
ERR("couldn't allocate objs\n");
|
|
LeaveCriticalSection(&protseq->cs);
|
|
return NULL;
|
|
}
|
|
|
|
objs[0] = npps->mgr_event;
|
|
*count = 1;
|
|
conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
|
|
while (conn) {
|
|
if ((objs[*count] = conn->ovl.hEvent))
|
|
(*count)++;
|
|
conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
|
|
}
|
|
LeaveCriticalSection(&protseq->cs);
|
|
return objs;
|
|
}
|
|
|
|
static void rpcrt4_protseq_np_free_wait_array(RpcServerProtseq *protseq, void *array)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, array);
|
|
}
|
|
|
|
static int rpcrt4_protseq_np_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
|
|
{
|
|
HANDLE b_handle;
|
|
HANDLE *objs = wait_array;
|
|
DWORD res;
|
|
RpcConnection *cconn;
|
|
RpcConnection_np *conn;
|
|
|
|
if (!objs)
|
|
return -1;
|
|
|
|
do
|
|
{
|
|
/* an alertable wait isn't strictly necessary, but due to our
|
|
* overlapped I/O implementation in Wine we need to free some memory
|
|
* by the file user APC being called, even if no completion routine was
|
|
* specified at the time of starting the async operation */
|
|
res = WaitForMultipleObjectsEx(count, objs, FALSE, INFINITE, TRUE);
|
|
} while (res == WAIT_IO_COMPLETION);
|
|
|
|
if (res == WAIT_OBJECT_0)
|
|
return 0;
|
|
else if (res == WAIT_FAILED)
|
|
{
|
|
ERR("wait failed with error %d\n", GetLastError());
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
b_handle = objs[res - WAIT_OBJECT_0];
|
|
/* find which connection got a RPC */
|
|
EnterCriticalSection(&protseq->cs);
|
|
conn = CONTAINING_RECORD(protseq->conn, RpcConnection_np, common);
|
|
while (conn) {
|
|
if (b_handle == conn->ovl.hEvent) break;
|
|
conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_np, common);
|
|
}
|
|
cconn = NULL;
|
|
if (conn)
|
|
RPCRT4_SpawnConnection(&cconn, &conn->common);
|
|
else
|
|
ERR("failed to locate connection for handle %p\n", b_handle);
|
|
LeaveCriticalSection(&protseq->cs);
|
|
if (cconn)
|
|
{
|
|
RPCRT4_new_client(cconn);
|
|
return 1;
|
|
}
|
|
else return -1;
|
|
}
|
|
}
|
|
|
|
static size_t rpcrt4_ncalrpc_get_top_of_tower(unsigned char *tower_data,
|
|
const char *networkaddr,
|
|
const char *endpoint)
|
|
{
|
|
twr_empty_floor_t *pipe_floor;
|
|
size_t size;
|
|
size_t endpoint_size;
|
|
|
|
TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
|
|
|
|
endpoint_size = strlen(networkaddr) + 1;
|
|
size = sizeof(*pipe_floor) + endpoint_size;
|
|
|
|
if (!tower_data)
|
|
return size;
|
|
|
|
pipe_floor = (twr_empty_floor_t *)tower_data;
|
|
|
|
tower_data += sizeof(*pipe_floor);
|
|
|
|
pipe_floor->count_lhs = sizeof(pipe_floor->protid);
|
|
pipe_floor->protid = EPM_PROTOCOL_SMB;
|
|
pipe_floor->count_rhs = endpoint_size;
|
|
|
|
memcpy(tower_data, endpoint, endpoint_size);
|
|
tower_data += endpoint_size;
|
|
|
|
return size;
|
|
}
|
|
|
|
static RPC_STATUS rpcrt4_ncalrpc_parse_top_of_tower(const unsigned char *tower_data,
|
|
size_t tower_size,
|
|
char **networkaddr,
|
|
char **endpoint)
|
|
{
|
|
const twr_empty_floor_t *pipe_floor = (const twr_empty_floor_t *)tower_data;
|
|
|
|
TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
|
|
|
|
*networkaddr = NULL;
|
|
*endpoint = NULL;
|
|
|
|
if (tower_size < sizeof(*pipe_floor))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
tower_data += sizeof(*pipe_floor);
|
|
tower_size -= sizeof(*pipe_floor);
|
|
|
|
if ((pipe_floor->count_lhs != sizeof(pipe_floor->protid)) ||
|
|
(pipe_floor->protid != EPM_PROTOCOL_SMB) ||
|
|
(pipe_floor->count_rhs > tower_size))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
if (endpoint)
|
|
{
|
|
*endpoint = I_RpcAllocate(pipe_floor->count_rhs);
|
|
if (!*endpoint)
|
|
return RPC_S_OUT_OF_RESOURCES;
|
|
memcpy(*endpoint, tower_data, pipe_floor->count_rhs);
|
|
}
|
|
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
/**** ncacn_ip_tcp support ****/
|
|
|
|
typedef struct _RpcConnection_tcp
|
|
{
|
|
RpcConnection common;
|
|
int sock;
|
|
int cancel_fds[2];
|
|
} RpcConnection_tcp;
|
|
|
|
static RpcConnection *rpcrt4_conn_tcp_alloc(void)
|
|
{
|
|
RpcConnection_tcp *tcpc;
|
|
tcpc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_tcp));
|
|
if (tcpc == NULL)
|
|
return NULL;
|
|
tcpc->sock = -1;
|
|
if (socketpair(PF_UNIX, SOCK_STREAM, 0, tcpc->cancel_fds) < 0)
|
|
{
|
|
ERR("socketpair() failed: %s\n", strerror(errno));
|
|
HeapFree(GetProcessHeap(), 0, tcpc);
|
|
return NULL;
|
|
}
|
|
return &tcpc->common;
|
|
}
|
|
|
|
static RPC_STATUS rpcrt4_ncacn_ip_tcp_open(RpcConnection* Connection)
|
|
{
|
|
RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
|
|
int sock;
|
|
int ret;
|
|
struct addrinfo *ai;
|
|
struct addrinfo *ai_cur;
|
|
struct addrinfo hints;
|
|
|
|
TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
|
|
|
|
if (tcpc->sock != -1)
|
|
return RPC_S_OK;
|
|
|
|
hints.ai_flags = 0;
|
|
hints.ai_family = PF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
hints.ai_addrlen = 0;
|
|
hints.ai_addr = NULL;
|
|
hints.ai_canonname = NULL;
|
|
hints.ai_next = NULL;
|
|
|
|
ret = getaddrinfo(Connection->NetworkAddr, Connection->Endpoint, &hints, &ai);
|
|
if (ret)
|
|
{
|
|
ERR("getaddrinfo for %s:%s failed: %s\n", Connection->NetworkAddr,
|
|
Connection->Endpoint, gai_strerror(ret));
|
|
return RPC_S_SERVER_UNAVAILABLE;
|
|
}
|
|
|
|
for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
|
|
{
|
|
int val;
|
|
|
|
if (TRACE_ON(rpc))
|
|
{
|
|
char host[256];
|
|
char service[256];
|
|
getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
|
|
host, sizeof(host), service, sizeof(service),
|
|
NI_NUMERICHOST | NI_NUMERICSERV);
|
|
TRACE("trying %s:%s\n", host, service);
|
|
}
|
|
|
|
sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
|
|
if (sock == -1)
|
|
{
|
|
WARN("socket() failed: %s\n", strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
if (0>connect(sock, ai_cur->ai_addr, ai_cur->ai_addrlen))
|
|
{
|
|
WARN("connect() failed: %s\n", strerror(errno));
|
|
close(sock);
|
|
continue;
|
|
}
|
|
|
|
/* RPC depends on having minimal latency so disable the Nagle algorithm */
|
|
val = 1;
|
|
setsockopt(sock, SOL_TCP, TCP_NODELAY, &val, sizeof(val));
|
|
fcntl(sock, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
|
|
|
|
tcpc->sock = sock;
|
|
|
|
freeaddrinfo(ai);
|
|
TRACE("connected\n");
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
freeaddrinfo(ai);
|
|
ERR("couldn't connect to %s:%s\n", Connection->NetworkAddr, Connection->Endpoint);
|
|
return RPC_S_SERVER_UNAVAILABLE;
|
|
}
|
|
|
|
static RPC_STATUS rpcrt4_protseq_ncacn_ip_tcp_open_endpoint(RpcServerProtseq *protseq, LPSTR endpoint)
|
|
{
|
|
RPC_STATUS status = RPC_S_CANT_CREATE_ENDPOINT;
|
|
int sock;
|
|
int ret;
|
|
struct addrinfo *ai;
|
|
struct addrinfo *ai_cur;
|
|
struct addrinfo hints;
|
|
RpcConnection *first_connection = NULL;
|
|
|
|
TRACE("(%p, %s)\n", protseq, endpoint);
|
|
|
|
hints.ai_flags = AI_PASSIVE /* for non-localhost addresses */;
|
|
hints.ai_family = PF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
hints.ai_addrlen = 0;
|
|
hints.ai_addr = NULL;
|
|
hints.ai_canonname = NULL;
|
|
hints.ai_next = NULL;
|
|
|
|
ret = getaddrinfo(NULL, endpoint, &hints, &ai);
|
|
if (ret)
|
|
{
|
|
ERR("getaddrinfo for port %s failed: %s\n", endpoint,
|
|
gai_strerror(ret));
|
|
if ((ret == EAI_SERVICE) || (ret == EAI_NONAME))
|
|
return RPC_S_INVALID_ENDPOINT_FORMAT;
|
|
return RPC_S_CANT_CREATE_ENDPOINT;
|
|
}
|
|
|
|
for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
|
|
{
|
|
RpcConnection_tcp *tcpc;
|
|
RPC_STATUS create_status;
|
|
|
|
if (TRACE_ON(rpc))
|
|
{
|
|
char host[256];
|
|
char service[256];
|
|
getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
|
|
host, sizeof(host), service, sizeof(service),
|
|
NI_NUMERICHOST | NI_NUMERICSERV);
|
|
TRACE("trying %s:%s\n", host, service);
|
|
}
|
|
|
|
sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
|
|
if (sock == -1)
|
|
{
|
|
WARN("socket() failed: %s\n", strerror(errno));
|
|
status = RPC_S_CANT_CREATE_ENDPOINT;
|
|
continue;
|
|
}
|
|
|
|
ret = bind(sock, ai_cur->ai_addr, ai_cur->ai_addrlen);
|
|
if (ret < 0)
|
|
{
|
|
WARN("bind failed: %s\n", strerror(errno));
|
|
close(sock);
|
|
if (errno == EADDRINUSE)
|
|
status = RPC_S_DUPLICATE_ENDPOINT;
|
|
else
|
|
status = RPC_S_CANT_CREATE_ENDPOINT;
|
|
continue;
|
|
}
|
|
create_status = RPCRT4_CreateConnection((RpcConnection **)&tcpc, TRUE,
|
|
protseq->Protseq, NULL,
|
|
endpoint, NULL, NULL, NULL);
|
|
if (create_status != RPC_S_OK)
|
|
{
|
|
close(sock);
|
|
status = create_status;
|
|
continue;
|
|
}
|
|
|
|
tcpc->sock = sock;
|
|
ret = listen(sock, protseq->MaxCalls);
|
|
if (ret < 0)
|
|
{
|
|
WARN("listen failed: %s\n", strerror(errno));
|
|
RPCRT4_DestroyConnection(&tcpc->common);
|
|
status = RPC_S_OUT_OF_RESOURCES;
|
|
continue;
|
|
}
|
|
/* need a non-blocking socket, otherwise accept() has a potential
|
|
* race-condition (poll() says it is readable, connection drops,
|
|
* and accept() blocks until the next connection comes...)
|
|
*/
|
|
ret = fcntl(sock, F_SETFL, O_NONBLOCK);
|
|
if (ret < 0)
|
|
{
|
|
WARN("couldn't make socket non-blocking, error %d\n", ret);
|
|
RPCRT4_DestroyConnection(&tcpc->common);
|
|
status = RPC_S_OUT_OF_RESOURCES;
|
|
continue;
|
|
}
|
|
|
|
tcpc->common.Next = first_connection;
|
|
first_connection = &tcpc->common;
|
|
}
|
|
|
|
freeaddrinfo(ai);
|
|
|
|
/* if at least one connection was created for an endpoint then
|
|
* return success */
|
|
if (first_connection)
|
|
{
|
|
RpcConnection *conn;
|
|
|
|
/* find last element in list */
|
|
for (conn = first_connection; conn->Next; conn = conn->Next)
|
|
;
|
|
|
|
EnterCriticalSection(&protseq->cs);
|
|
conn->Next = protseq->conn;
|
|
protseq->conn = first_connection;
|
|
LeaveCriticalSection(&protseq->cs);
|
|
|
|
TRACE("listening on %s\n", endpoint);
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
ERR("couldn't listen on port %s\n", endpoint);
|
|
return status;
|
|
}
|
|
|
|
static RPC_STATUS rpcrt4_conn_tcp_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
|
|
{
|
|
int ret;
|
|
struct sockaddr_in address;
|
|
socklen_t addrsize;
|
|
RpcConnection_tcp *server = (RpcConnection_tcp*) old_conn;
|
|
RpcConnection_tcp *client = (RpcConnection_tcp*) new_conn;
|
|
|
|
addrsize = sizeof(address);
|
|
ret = accept(server->sock, (struct sockaddr*) &address, &addrsize);
|
|
if (ret < 0)
|
|
{
|
|
ERR("Failed to accept a TCP connection: error %d\n", ret);
|
|
return RPC_S_OUT_OF_RESOURCES;
|
|
}
|
|
/* reset to blocking behaviour */
|
|
fcntl(ret, F_SETFL, 0);
|
|
client->sock = ret;
|
|
TRACE("Accepted a new TCP connection\n");
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
static int rpcrt4_conn_tcp_read(RpcConnection *Connection,
|
|
void *buffer, unsigned int count)
|
|
{
|
|
RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
|
|
int bytes_read = 0;
|
|
do
|
|
{
|
|
int r = recv(tcpc->sock, (char *)buffer + bytes_read, count - bytes_read, 0);
|
|
if (!r)
|
|
return -1;
|
|
else if (r > 0)
|
|
bytes_read += r;
|
|
else if (errno != EAGAIN)
|
|
{
|
|
WARN("recv() failed: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
struct pollfd pfds[2];
|
|
pfds[0].fd = tcpc->sock;
|
|
pfds[0].events = POLLIN;
|
|
pfds[1].fd = tcpc->cancel_fds[0];
|
|
pfds[1].events = POLLIN;
|
|
if (poll(pfds, 2, -1 /* infinite */) == -1 && errno != EINTR)
|
|
{
|
|
ERR("poll() failed: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
if (pfds[1].revents & POLLIN) /* canceled */
|
|
{
|
|
char dummy;
|
|
read(pfds[1].fd, &dummy, sizeof(dummy));
|
|
return -1;
|
|
}
|
|
}
|
|
} while (bytes_read != count);
|
|
TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_read);
|
|
return bytes_read;
|
|
}
|
|
|
|
static int rpcrt4_conn_tcp_write(RpcConnection *Connection,
|
|
const void *buffer, unsigned int count)
|
|
{
|
|
RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
|
|
int bytes_written = 0;
|
|
do
|
|
{
|
|
int r = send(tcpc->sock, (const char *)buffer + bytes_written, count - bytes_written, 0);
|
|
if (r >= 0)
|
|
bytes_written += r;
|
|
else if (errno != EAGAIN)
|
|
return -1;
|
|
else
|
|
{
|
|
struct pollfd pfd;
|
|
pfd.fd = tcpc->sock;
|
|
pfd.events = POLLOUT;
|
|
if (poll(&pfd, 1, -1 /* infinite */) == -1 && errno != EINTR)
|
|
{
|
|
ERR("poll() failed: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
} while (bytes_written != count);
|
|
TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_written);
|
|
return bytes_written;
|
|
}
|
|
|
|
static int rpcrt4_conn_tcp_close(RpcConnection *Connection)
|
|
{
|
|
RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
|
|
|
|
TRACE("%d\n", tcpc->sock);
|
|
|
|
if (tcpc->sock != -1)
|
|
close(tcpc->sock);
|
|
tcpc->sock = -1;
|
|
close(tcpc->cancel_fds[0]);
|
|
close(tcpc->cancel_fds[1]);
|
|
return 0;
|
|
}
|
|
|
|
static void rpcrt4_conn_tcp_cancel_call(RpcConnection *Connection)
|
|
{
|
|
RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
|
|
char dummy = 1;
|
|
|
|
TRACE("%p\n", Connection);
|
|
|
|
write(tcpc->cancel_fds[1], &dummy, 1);
|
|
}
|
|
|
|
static size_t rpcrt4_ncacn_ip_tcp_get_top_of_tower(unsigned char *tower_data,
|
|
const char *networkaddr,
|
|
const char *endpoint)
|
|
{
|
|
twr_tcp_floor_t *tcp_floor;
|
|
twr_ipv4_floor_t *ipv4_floor;
|
|
struct addrinfo *ai;
|
|
struct addrinfo hints;
|
|
int ret;
|
|
size_t size = sizeof(*tcp_floor) + sizeof(*ipv4_floor);
|
|
|
|
TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
|
|
|
|
if (!tower_data)
|
|
return size;
|
|
|
|
tcp_floor = (twr_tcp_floor_t *)tower_data;
|
|
tower_data += sizeof(*tcp_floor);
|
|
|
|
ipv4_floor = (twr_ipv4_floor_t *)tower_data;
|
|
|
|
tcp_floor->count_lhs = sizeof(tcp_floor->protid);
|
|
tcp_floor->protid = EPM_PROTOCOL_TCP;
|
|
tcp_floor->count_rhs = sizeof(tcp_floor->port);
|
|
|
|
ipv4_floor->count_lhs = sizeof(ipv4_floor->protid);
|
|
ipv4_floor->protid = EPM_PROTOCOL_IP;
|
|
ipv4_floor->count_rhs = sizeof(ipv4_floor->ipv4addr);
|
|
|
|
hints.ai_flags = AI_NUMERICHOST;
|
|
/* FIXME: only support IPv4 at the moment. how is IPv6 represented by the EPM? */
|
|
hints.ai_family = PF_INET;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
hints.ai_addrlen = 0;
|
|
hints.ai_addr = NULL;
|
|
hints.ai_canonname = NULL;
|
|
hints.ai_next = NULL;
|
|
|
|
ret = getaddrinfo(networkaddr, endpoint, &hints, &ai);
|
|
if (ret)
|
|
{
|
|
ret = getaddrinfo("0.0.0.0", endpoint, &hints, &ai);
|
|
if (ret)
|
|
{
|
|
ERR("getaddrinfo failed: %s\n", gai_strerror(ret));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (ai->ai_family == PF_INET)
|
|
{
|
|
const struct sockaddr_in *sin = (const struct sockaddr_in *)ai->ai_addr;
|
|
tcp_floor->port = sin->sin_port;
|
|
ipv4_floor->ipv4addr = sin->sin_addr.s_addr;
|
|
}
|
|
else
|
|
{
|
|
ERR("unexpected protocol family %d\n", ai->ai_family);
|
|
return 0;
|
|
}
|
|
|
|
freeaddrinfo(ai);
|
|
|
|
return size;
|
|
}
|
|
|
|
static RPC_STATUS rpcrt4_ncacn_ip_tcp_parse_top_of_tower(const unsigned char *tower_data,
|
|
size_t tower_size,
|
|
char **networkaddr,
|
|
char **endpoint)
|
|
{
|
|
const twr_tcp_floor_t *tcp_floor = (const twr_tcp_floor_t *)tower_data;
|
|
const twr_ipv4_floor_t *ipv4_floor;
|
|
struct in_addr in_addr;
|
|
|
|
TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
|
|
|
|
if (tower_size < sizeof(*tcp_floor))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
tower_data += sizeof(*tcp_floor);
|
|
tower_size -= sizeof(*tcp_floor);
|
|
|
|
if (tower_size < sizeof(*ipv4_floor))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
ipv4_floor = (const twr_ipv4_floor_t *)tower_data;
|
|
|
|
if ((tcp_floor->count_lhs != sizeof(tcp_floor->protid)) ||
|
|
(tcp_floor->protid != EPM_PROTOCOL_TCP) ||
|
|
(tcp_floor->count_rhs != sizeof(tcp_floor->port)) ||
|
|
(ipv4_floor->count_lhs != sizeof(ipv4_floor->protid)) ||
|
|
(ipv4_floor->protid != EPM_PROTOCOL_IP) ||
|
|
(ipv4_floor->count_rhs != sizeof(ipv4_floor->ipv4addr)))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
if (endpoint)
|
|
{
|
|
*endpoint = I_RpcAllocate(6 /* sizeof("65535") + 1 */);
|
|
if (!*endpoint)
|
|
return RPC_S_OUT_OF_RESOURCES;
|
|
sprintf(*endpoint, "%u", ntohs(tcp_floor->port));
|
|
}
|
|
|
|
if (networkaddr)
|
|
{
|
|
*networkaddr = I_RpcAllocate(INET_ADDRSTRLEN);
|
|
if (!*networkaddr)
|
|
{
|
|
if (endpoint)
|
|
{
|
|
I_RpcFree(*endpoint);
|
|
*endpoint = NULL;
|
|
}
|
|
return RPC_S_OUT_OF_RESOURCES;
|
|
}
|
|
in_addr.s_addr = ipv4_floor->ipv4addr;
|
|
if (!inet_ntop(AF_INET, &in_addr, *networkaddr, INET_ADDRSTRLEN))
|
|
{
|
|
ERR("inet_ntop: %s\n", strerror(errno));
|
|
I_RpcFree(*networkaddr);
|
|
*networkaddr = NULL;
|
|
if (endpoint)
|
|
{
|
|
I_RpcFree(*endpoint);
|
|
*endpoint = NULL;
|
|
}
|
|
return EPT_S_NOT_REGISTERED;
|
|
}
|
|
}
|
|
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
typedef struct _RpcServerProtseq_sock
|
|
{
|
|
RpcServerProtseq common;
|
|
int mgr_event_rcv;
|
|
int mgr_event_snd;
|
|
} RpcServerProtseq_sock;
|
|
|
|
static RpcServerProtseq *rpcrt4_protseq_sock_alloc(void)
|
|
{
|
|
RpcServerProtseq_sock *ps = HeapAlloc(GetProcessHeap(), 0, sizeof(*ps));
|
|
if (ps)
|
|
{
|
|
int fds[2];
|
|
if (!socketpair(PF_UNIX, SOCK_DGRAM, 0, fds))
|
|
{
|
|
fcntl(fds[0], F_SETFL, O_NONBLOCK);
|
|
fcntl(fds[1], F_SETFL, O_NONBLOCK);
|
|
ps->mgr_event_rcv = fds[0];
|
|
ps->mgr_event_snd = fds[1];
|
|
}
|
|
else
|
|
{
|
|
ERR("socketpair failed with error %s\n", strerror(errno));
|
|
HeapFree(GetProcessHeap(), 0, ps);
|
|
return NULL;
|
|
}
|
|
}
|
|
return &ps->common;
|
|
}
|
|
|
|
static void rpcrt4_protseq_sock_signal_state_changed(RpcServerProtseq *protseq)
|
|
{
|
|
RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
|
|
char dummy = 1;
|
|
write(sockps->mgr_event_snd, &dummy, sizeof(dummy));
|
|
}
|
|
|
|
static void *rpcrt4_protseq_sock_get_wait_array(RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
|
|
{
|
|
struct pollfd *poll_info = prev_array;
|
|
RpcConnection_tcp *conn;
|
|
RpcServerProtseq_sock *sockps = CONTAINING_RECORD(protseq, RpcServerProtseq_sock, common);
|
|
|
|
EnterCriticalSection(&protseq->cs);
|
|
|
|
/* open and count connections */
|
|
*count = 1;
|
|
conn = (RpcConnection_tcp *)protseq->conn;
|
|
while (conn) {
|
|
if (conn->sock != -1)
|
|
(*count)++;
|
|
conn = (RpcConnection_tcp *)conn->common.Next;
|
|
}
|
|
|
|
/* make array of connections */
|
|
if (poll_info)
|
|
poll_info = HeapReAlloc(GetProcessHeap(), 0, poll_info, *count*sizeof(*poll_info));
|
|
else
|
|
poll_info = HeapAlloc(GetProcessHeap(), 0, *count*sizeof(*poll_info));
|
|
if (!poll_info)
|
|
{
|
|
ERR("couldn't allocate poll_info\n");
|
|
LeaveCriticalSection(&protseq->cs);
|
|
return NULL;
|
|
}
|
|
|
|
poll_info[0].fd = sockps->mgr_event_rcv;
|
|
poll_info[0].events = POLLIN;
|
|
*count = 1;
|
|
conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
|
|
while (conn) {
|
|
if (conn->sock != -1)
|
|
{
|
|
poll_info[*count].fd = conn->sock;
|
|
poll_info[*count].events = POLLIN;
|
|
(*count)++;
|
|
}
|
|
conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
|
|
}
|
|
LeaveCriticalSection(&protseq->cs);
|
|
return poll_info;
|
|
}
|
|
|
|
static void rpcrt4_protseq_sock_free_wait_array(RpcServerProtseq *protseq, void *array)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, array);
|
|
}
|
|
|
|
static int rpcrt4_protseq_sock_wait_for_new_connection(RpcServerProtseq *protseq, unsigned int count, void *wait_array)
|
|
{
|
|
struct pollfd *poll_info = wait_array;
|
|
int ret, i;
|
|
RpcConnection *cconn;
|
|
RpcConnection_tcp *conn;
|
|
|
|
if (!poll_info)
|
|
return -1;
|
|
|
|
ret = poll(poll_info, count, -1);
|
|
if (ret < 0)
|
|
{
|
|
ERR("poll failed with error %d\n", ret);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
if (poll_info[i].revents & POLLIN)
|
|
{
|
|
/* RPC server event */
|
|
if (i == 0)
|
|
{
|
|
char dummy;
|
|
read(poll_info[0].fd, &dummy, sizeof(dummy));
|
|
return 0;
|
|
}
|
|
|
|
/* find which connection got a RPC */
|
|
EnterCriticalSection(&protseq->cs);
|
|
conn = CONTAINING_RECORD(protseq->conn, RpcConnection_tcp, common);
|
|
while (conn) {
|
|
if (poll_info[i].fd == conn->sock) break;
|
|
conn = CONTAINING_RECORD(conn->common.Next, RpcConnection_tcp, common);
|
|
}
|
|
cconn = NULL;
|
|
if (conn)
|
|
RPCRT4_SpawnConnection(&cconn, &conn->common);
|
|
else
|
|
ERR("failed to locate connection for fd %d\n", poll_info[i].fd);
|
|
LeaveCriticalSection(&protseq->cs);
|
|
if (cconn)
|
|
RPCRT4_new_client(cconn);
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const struct connection_ops conn_protseq_list[] = {
|
|
{ "ncacn_np",
|
|
{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB },
|
|
rpcrt4_conn_np_alloc,
|
|
rpcrt4_ncacn_np_open,
|
|
rpcrt4_ncacn_np_handoff,
|
|
rpcrt4_conn_np_read,
|
|
rpcrt4_conn_np_write,
|
|
rpcrt4_conn_np_close,
|
|
rpcrt4_conn_np_cancel_call,
|
|
rpcrt4_ncacn_np_get_top_of_tower,
|
|
rpcrt4_ncacn_np_parse_top_of_tower,
|
|
},
|
|
{ "ncalrpc",
|
|
{ EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE },
|
|
rpcrt4_conn_np_alloc,
|
|
rpcrt4_ncalrpc_open,
|
|
rpcrt4_ncalrpc_handoff,
|
|
rpcrt4_conn_np_read,
|
|
rpcrt4_conn_np_write,
|
|
rpcrt4_conn_np_close,
|
|
rpcrt4_conn_np_cancel_call,
|
|
rpcrt4_ncalrpc_get_top_of_tower,
|
|
rpcrt4_ncalrpc_parse_top_of_tower,
|
|
},
|
|
{ "ncacn_ip_tcp",
|
|
{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP },
|
|
rpcrt4_conn_tcp_alloc,
|
|
rpcrt4_ncacn_ip_tcp_open,
|
|
rpcrt4_conn_tcp_handoff,
|
|
rpcrt4_conn_tcp_read,
|
|
rpcrt4_conn_tcp_write,
|
|
rpcrt4_conn_tcp_close,
|
|
rpcrt4_conn_tcp_cancel_call,
|
|
rpcrt4_ncacn_ip_tcp_get_top_of_tower,
|
|
rpcrt4_ncacn_ip_tcp_parse_top_of_tower,
|
|
}
|
|
};
|
|
|
|
|
|
static const struct protseq_ops protseq_list[] =
|
|
{
|
|
{
|
|
"ncacn_np",
|
|
rpcrt4_protseq_np_alloc,
|
|
rpcrt4_protseq_np_signal_state_changed,
|
|
rpcrt4_protseq_np_get_wait_array,
|
|
rpcrt4_protseq_np_free_wait_array,
|
|
rpcrt4_protseq_np_wait_for_new_connection,
|
|
rpcrt4_protseq_ncacn_np_open_endpoint,
|
|
},
|
|
{
|
|
"ncalrpc",
|
|
rpcrt4_protseq_np_alloc,
|
|
rpcrt4_protseq_np_signal_state_changed,
|
|
rpcrt4_protseq_np_get_wait_array,
|
|
rpcrt4_protseq_np_free_wait_array,
|
|
rpcrt4_protseq_np_wait_for_new_connection,
|
|
rpcrt4_protseq_ncalrpc_open_endpoint,
|
|
},
|
|
{
|
|
"ncacn_ip_tcp",
|
|
rpcrt4_protseq_sock_alloc,
|
|
rpcrt4_protseq_sock_signal_state_changed,
|
|
rpcrt4_protseq_sock_get_wait_array,
|
|
rpcrt4_protseq_sock_free_wait_array,
|
|
rpcrt4_protseq_sock_wait_for_new_connection,
|
|
rpcrt4_protseq_ncacn_ip_tcp_open_endpoint,
|
|
},
|
|
};
|
|
|
|
#define ARRAYSIZE(a) (sizeof((a)) / sizeof((a)[0]))
|
|
|
|
const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
|
|
{
|
|
int i;
|
|
for(i=0; i<ARRAYSIZE(protseq_list); i++)
|
|
if (!strcmp(protseq_list[i].name, protseq))
|
|
return &protseq_list[i];
|
|
return NULL;
|
|
}
|
|
|
|
static const struct connection_ops *rpcrt4_get_conn_protseq_ops(const char *protseq)
|
|
{
|
|
int i;
|
|
for(i=0; i<ARRAYSIZE(conn_protseq_list); i++)
|
|
if (!strcmp(conn_protseq_list[i].name, protseq))
|
|
return &conn_protseq_list[i];
|
|
return NULL;
|
|
}
|
|
|
|
/**** interface to rest of code ****/
|
|
|
|
RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection)
|
|
{
|
|
TRACE("(Connection == ^%p)\n", Connection);
|
|
|
|
assert(!Connection->server);
|
|
return Connection->ops->open_connection_client(Connection);
|
|
}
|
|
|
|
RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection)
|
|
{
|
|
TRACE("(Connection == ^%p)\n", Connection);
|
|
if (SecIsValidHandle(&Connection->ctx))
|
|
{
|
|
DeleteSecurityContext(&Connection->ctx);
|
|
SecInvalidateHandle(&Connection->ctx);
|
|
}
|
|
rpcrt4_conn_close(Connection);
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
|
|
LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint,
|
|
LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS)
|
|
{
|
|
const struct connection_ops *ops;
|
|
RpcConnection* NewConnection;
|
|
|
|
ops = rpcrt4_get_conn_protseq_ops(Protseq);
|
|
if (!ops)
|
|
{
|
|
FIXME("not supported for protseq %s\n", Protseq);
|
|
return RPC_S_PROTSEQ_NOT_SUPPORTED;
|
|
}
|
|
|
|
NewConnection = ops->alloc();
|
|
NewConnection->Next = NULL;
|
|
NewConnection->server_binding = NULL;
|
|
NewConnection->server = server;
|
|
NewConnection->ops = ops;
|
|
NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
|
|
NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
|
|
NewConnection->NetworkOptions = RPCRT4_strdupW(NetworkOptions);
|
|
NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE;
|
|
memset(&NewConnection->ActiveInterface, 0, sizeof(NewConnection->ActiveInterface));
|
|
NewConnection->NextCallId = 1;
|
|
|
|
SecInvalidateHandle(&NewConnection->ctx);
|
|
memset(&NewConnection->exp, 0, sizeof(NewConnection->exp));
|
|
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;
|
|
|
|
list_init(&NewConnection->conn_pool_entry);
|
|
|
|
TRACE("connection: %p\n", NewConnection);
|
|
*Connection = NewConnection;
|
|
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
|
|
RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
|
|
{
|
|
RPC_STATUS err;
|
|
|
|
err = RPCRT4_CreateConnection(Connection, OldConnection->server,
|
|
rpcrt4_conn_get_name(OldConnection),
|
|
OldConnection->NetworkAddr,
|
|
OldConnection->Endpoint, NULL,
|
|
OldConnection->AuthInfo, OldConnection->QOS);
|
|
if (err == RPC_S_OK)
|
|
rpcrt4_conn_handoff(OldConnection, *Connection);
|
|
return err;
|
|
}
|
|
|
|
RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection)
|
|
{
|
|
TRACE("connection: %p\n", Connection);
|
|
|
|
RPCRT4_CloseConnection(Connection);
|
|
RPCRT4_strfree(Connection->Endpoint);
|
|
RPCRT4_strfree(Connection->NetworkAddr);
|
|
HeapFree(GetProcessHeap(), 0, Connection->NetworkOptions);
|
|
if (Connection->AuthInfo) RpcAuthInfo_Release(Connection->AuthInfo);
|
|
if (Connection->QOS) RpcQualityOfService_Release(Connection->QOS);
|
|
|
|
/* server-only */
|
|
if (Connection->server_binding) RPCRT4_DestroyBinding(Connection->server_binding);
|
|
|
|
HeapFree(GetProcessHeap(), 0, Connection);
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data,
|
|
size_t *tower_size,
|
|
const char *protseq,
|
|
const char *networkaddr,
|
|
const char *endpoint)
|
|
{
|
|
twr_empty_floor_t *protocol_floor;
|
|
const struct connection_ops *protseq_ops = rpcrt4_get_conn_protseq_ops(protseq);
|
|
|
|
*tower_size = 0;
|
|
|
|
if (!protseq_ops)
|
|
return RPC_S_INVALID_RPC_PROTSEQ;
|
|
|
|
if (!tower_data)
|
|
{
|
|
*tower_size = sizeof(*protocol_floor);
|
|
*tower_size += protseq_ops->get_top_of_tower(NULL, networkaddr, endpoint);
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
protocol_floor = (twr_empty_floor_t *)tower_data;
|
|
protocol_floor->count_lhs = sizeof(protocol_floor->protid);
|
|
protocol_floor->protid = protseq_ops->epm_protocols[0];
|
|
protocol_floor->count_rhs = 0;
|
|
|
|
tower_data += sizeof(*protocol_floor);
|
|
|
|
*tower_size = protseq_ops->get_top_of_tower(tower_data, networkaddr, endpoint);
|
|
if (!*tower_size)
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
*tower_size += sizeof(*protocol_floor);
|
|
|
|
return RPC_S_OK;
|
|
}
|
|
|
|
RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data,
|
|
size_t tower_size,
|
|
char **protseq,
|
|
char **networkaddr,
|
|
char **endpoint)
|
|
{
|
|
const twr_empty_floor_t *protocol_floor;
|
|
const twr_empty_floor_t *floor4;
|
|
const struct connection_ops *protseq_ops = NULL;
|
|
RPC_STATUS status;
|
|
int i;
|
|
|
|
if (tower_size < sizeof(*protocol_floor))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
protocol_floor = (const twr_empty_floor_t *)tower_data;
|
|
tower_data += sizeof(*protocol_floor);
|
|
tower_size -= sizeof(*protocol_floor);
|
|
if ((protocol_floor->count_lhs != sizeof(protocol_floor->protid)) ||
|
|
(protocol_floor->count_rhs > tower_size))
|
|
return EPT_S_NOT_REGISTERED;
|
|
tower_data += protocol_floor->count_rhs;
|
|
tower_size -= protocol_floor->count_rhs;
|
|
|
|
floor4 = (const twr_empty_floor_t *)tower_data;
|
|
if ((tower_size < sizeof(*floor4)) ||
|
|
(floor4->count_lhs != sizeof(floor4->protid)))
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
for(i = 0; i < ARRAYSIZE(conn_protseq_list); i++)
|
|
if ((protocol_floor->protid == conn_protseq_list[i].epm_protocols[0]) &&
|
|
(floor4->protid == conn_protseq_list[i].epm_protocols[1]))
|
|
{
|
|
protseq_ops = &conn_protseq_list[i];
|
|
break;
|
|
}
|
|
|
|
if (!protseq_ops)
|
|
return EPT_S_NOT_REGISTERED;
|
|
|
|
status = protseq_ops->parse_top_of_tower(tower_data, tower_size, networkaddr, endpoint);
|
|
|
|
if ((status == RPC_S_OK) && protseq)
|
|
{
|
|
*protseq = I_RpcAllocate(strlen(protseq_ops->name) + 1);
|
|
strcpy(*protseq, protseq_ops->name);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RpcNetworkIsProtseqValidW (RPCRT4.@)
|
|
*
|
|
* Checks if the given protocol sequence is known by the RPC system.
|
|
* If it is, returns RPC_S_OK, otherwise RPC_S_PROTSEQ_NOT_SUPPORTED.
|
|
*
|
|
*/
|
|
RPC_STATUS WINAPI RpcNetworkIsProtseqValidW(RPC_WSTR protseq)
|
|
{
|
|
char ps[0x10];
|
|
|
|
WideCharToMultiByte(CP_ACP, 0, protseq, -1,
|
|
ps, sizeof ps, NULL, NULL);
|
|
if (rpcrt4_get_conn_protseq_ops(ps))
|
|
return RPC_S_OK;
|
|
|
|
FIXME("Unknown protseq %s\n", debugstr_w(protseq));
|
|
|
|
return RPC_S_INVALID_RPC_PROTSEQ;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RpcNetworkIsProtseqValidA (RPCRT4.@)
|
|
*/
|
|
RPC_STATUS WINAPI RpcNetworkIsProtseqValidA(RPC_CSTR protseq)
|
|
{
|
|
UNICODE_STRING protseqW;
|
|
|
|
if (RtlCreateUnicodeStringFromAsciiz(&protseqW, (char*)protseq))
|
|
{
|
|
RPC_STATUS ret = RpcNetworkIsProtseqValidW(protseqW.Buffer);
|
|
RtlFreeUnicodeString(&protseqW);
|
|
return ret;
|
|
}
|
|
return RPC_S_OUT_OF_MEMORY;
|
|
}
|