| /* |
| * RPC transport layer |
| * |
| * Copyright 2001 Ove Kåven, TransGaming Technologies |
| * Copyright 2003 Mike Hearn |
| * Copyright 2004 Filip Navara |
| * Copyright 2006 Mike McCormack |
| * |
| * 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 <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <assert.h> |
| #include <errno.h> |
| |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #ifdef HAVE_SYS_SOCKET_H |
| # include <sys/socket.h> |
| #endif |
| #ifdef HAVE_NETINET_IN_H |
| # include <netinet/in.h> |
| #endif |
| #ifdef HAVE_ARPA_INET_H |
| # include <arpa/inet.h> |
| #endif |
| #ifdef HAVE_NETDB_H |
| #include <netdb.h> |
| #endif |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winnls.h" |
| #include "winerror.h" |
| #include "winreg.h" |
| #include "winternl.h" |
| #include "wine/unicode.h" |
| |
| #include "rpc.h" |
| #include "rpcndr.h" |
| |
| #include "wine/debug.h" |
| |
| #include "rpc_binding.h" |
| #include "rpc_message.h" |
| #include "epm_towers.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(rpc); |
| |
| static CRITICAL_SECTION connection_pool_cs; |
| static CRITICAL_SECTION_DEBUG connection_pool_cs_debug = |
| { |
| 0, 0, &connection_pool_cs, |
| { &connection_pool_cs_debug.ProcessLocksList, &connection_pool_cs_debug.ProcessLocksList }, |
| 0, 0, { (DWORD_PTR)(__FILE__ ": connection_pool") } |
| }; |
| static CRITICAL_SECTION connection_pool_cs = { &connection_pool_cs_debug, -1, 0, 0, 0, 0 }; |
| |
| static struct list connection_pool = LIST_INIT(connection_pool); |
| |
| /**** ncacn_np support ****/ |
| |
| typedef struct _RpcConnection_np |
| { |
| RpcConnection common; |
| HANDLE pipe, thread; |
| OVERLAPPED ovl; |
| } RpcConnection_np; |
| |
| static RpcConnection *rpcrt4_conn_np_alloc(void) |
| { |
| RpcConnection_np *npc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_np)); |
| if (npc) |
| { |
| npc->pipe = NULL; |
| npc->thread = NULL; |
| memset(&npc->ovl, 0, sizeof(npc->ovl)); |
| } |
| return &npc->common; |
| } |
| |
| static RPC_STATUS rpcrt4_connect_pipe(RpcConnection *Connection, LPCSTR pname) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| TRACE("listening on %s\n", pname); |
| |
| npc->pipe = CreateNamedPipeA(pname, PIPE_ACCESS_DUPLEX, |
| PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, |
| PIPE_UNLIMITED_INSTANCES, |
| RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, NULL); |
| if (npc->pipe == INVALID_HANDLE_VALUE) { |
| WARN("CreateNamedPipe failed with error %ld\n", GetLastError()); |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| |
| memset(&npc->ovl, 0, sizeof(npc->ovl)); |
| npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL); |
| if (ConnectNamedPipe(npc->pipe, &npc->ovl)) |
| return RPC_S_OK; |
| |
| WARN("Couldn't ConnectNamedPipe (error was %ld)\n", GetLastError()); |
| if (GetLastError() == ERROR_PIPE_CONNECTED) { |
| SetEvent(npc->ovl.hEvent); |
| return RPC_S_OK; |
| } |
| if (GetLastError() == ERROR_IO_PENDING) { |
| /* FIXME: looks like we need to GetOverlappedResult here? */ |
| return RPC_S_OK; |
| } |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| |
| static RPC_STATUS rpcrt4_open_pipe(RpcConnection *Connection, LPCSTR pname, BOOL wait) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| HANDLE pipe; |
| DWORD err, dwMode; |
| |
| TRACE("connecting to %s\n", pname); |
| |
| while (TRUE) { |
| pipe = CreateFileA(pname, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
| OPEN_EXISTING, 0, 0); |
| if (pipe != INVALID_HANDLE_VALUE) break; |
| err = GetLastError(); |
| if (err == ERROR_PIPE_BUSY) { |
| TRACE("connection failed, error=%lx\n", err); |
| return RPC_S_SERVER_TOO_BUSY; |
| } |
| if (!wait) |
| return RPC_S_SERVER_UNAVAILABLE; |
| if (!WaitNamedPipeA(pname, NMPWAIT_WAIT_FOREVER)) { |
| err = GetLastError(); |
| WARN("connection failed, error=%lx\n", err); |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| } |
| |
| /* success */ |
| memset(&npc->ovl, 0, sizeof(npc->ovl)); |
| /* pipe is connected; change to message-read mode. */ |
| dwMode = PIPE_READMODE_MESSAGE; |
| SetNamedPipeHandleState(pipe, &dwMode, NULL, NULL); |
| npc->ovl.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL); |
| npc->pipe = pipe; |
| |
| return RPC_S_OK; |
| } |
| |
| static RPC_STATUS rpcrt4_ncalrpc_open(RpcConnection* Connection) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| static LPCSTR prefix = "\\\\.\\pipe\\lrpc\\"; |
| RPC_STATUS r; |
| LPSTR pname; |
| |
| /* already connected? */ |
| if (npc->pipe) |
| return RPC_S_OK; |
| |
| /* protseq=ncalrpc: supposed to use NT LPC ports, |
| * but we'll implement it with named pipes for now */ |
| pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1); |
| strcat(strcpy(pname, prefix), Connection->Endpoint); |
| |
| if (Connection->server) |
| r = rpcrt4_connect_pipe(Connection, pname); |
| else |
| r = rpcrt4_open_pipe(Connection, pname, TRUE); |
| I_RpcFree(pname); |
| |
| return r; |
| } |
| |
| static RPC_STATUS rpcrt4_ncacn_np_open(RpcConnection* Connection) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| static LPCSTR prefix = "\\\\."; |
| RPC_STATUS r; |
| LPSTR pname; |
| |
| /* already connected? */ |
| if (npc->pipe) |
| return RPC_S_OK; |
| |
| /* protseq=ncacn_np: named pipes */ |
| pname = I_RpcAllocate(strlen(prefix) + strlen(Connection->Endpoint) + 1); |
| strcat(strcpy(pname, prefix), Connection->Endpoint); |
| if (Connection->server) |
| r = rpcrt4_connect_pipe(Connection, pname); |
| else |
| r = rpcrt4_open_pipe(Connection, pname, FALSE); |
| I_RpcFree(pname); |
| |
| return r; |
| } |
| |
| static HANDLE rpcrt4_conn_np_get_connect_event(RpcConnection *Connection) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| return npc->ovl.hEvent; |
| } |
| |
| static RPC_STATUS rpcrt4_conn_np_handoff(RpcConnection *old_conn, RpcConnection *new_conn) |
| { |
| RpcConnection_np *old_npc = (RpcConnection_np *) old_conn; |
| RpcConnection_np *new_npc = (RpcConnection_np *) new_conn; |
| /* because of the way named pipes work, we'll transfer the connected pipe |
| * to the child, then reopen the server binding to continue listening */ |
| |
| new_npc->pipe = old_npc->pipe; |
| new_npc->ovl = old_npc->ovl; |
| old_npc->pipe = 0; |
| memset(&old_npc->ovl, 0, sizeof(old_npc->ovl)); |
| return RPCRT4_OpenConnection(old_conn); |
| } |
| |
| static int rpcrt4_conn_np_read(RpcConnection *Connection, |
| void *buffer, unsigned int count) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| DWORD dwRead = 0; |
| if (!ReadFile(npc->pipe, buffer, count, &dwRead, NULL) && |
| (GetLastError() != ERROR_MORE_DATA)) |
| return -1; |
| return dwRead; |
| } |
| |
| static int rpcrt4_conn_np_write(RpcConnection *Connection, |
| const void *buffer, unsigned int count) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| DWORD dwWritten = 0; |
| if (!WriteFile(npc->pipe, buffer, count, &dwWritten, NULL)) |
| return -1; |
| return dwWritten; |
| } |
| |
| static int rpcrt4_conn_np_close(RpcConnection *Connection) |
| { |
| RpcConnection_np *npc = (RpcConnection_np *) Connection; |
| if (npc->pipe) { |
| FlushFileBuffers(npc->pipe); |
| CloseHandle(npc->pipe); |
| npc->pipe = 0; |
| } |
| if (npc->ovl.hEvent) { |
| CloseHandle(npc->ovl.hEvent); |
| npc->ovl.hEvent = 0; |
| } |
| return 0; |
| } |
| |
| static size_t rpcrt4_ncacn_np_get_top_of_tower(unsigned char *tower_data, |
| const char *networkaddr, |
| const char *endpoint) |
| { |
| twr_empty_floor_t *smb_floor; |
| twr_empty_floor_t *nb_floor; |
| size_t size; |
| size_t networkaddr_size; |
| size_t endpoint_size; |
| |
| TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint); |
| |
| networkaddr_size = strlen(networkaddr) + 1; |
| endpoint_size = strlen(endpoint) + 1; |
| size = sizeof(*smb_floor) + endpoint_size + sizeof(*nb_floor) + networkaddr_size; |
| |
| if (!tower_data) |
| return size; |
| |
| smb_floor = (twr_empty_floor_t *)tower_data; |
| |
| tower_data += sizeof(*smb_floor); |
| |
| smb_floor->count_lhs = sizeof(smb_floor->protid); |
| smb_floor->protid = EPM_PROTOCOL_SMB; |
| smb_floor->count_rhs = endpoint_size; |
| |
| memcpy(tower_data, endpoint, endpoint_size); |
| tower_data += endpoint_size; |
| |
| nb_floor = (twr_empty_floor_t *)tower_data; |
| |
| tower_data += sizeof(*nb_floor); |
| |
| nb_floor->count_lhs = sizeof(nb_floor->protid); |
| nb_floor->protid = EPM_PROTOCOL_NETBIOS; |
| nb_floor->count_rhs = networkaddr_size; |
| |
| memcpy(tower_data, networkaddr, networkaddr_size); |
| tower_data += networkaddr_size; |
| |
| return size; |
| } |
| |
| static RPC_STATUS rpcrt4_ncacn_np_parse_top_of_tower(const unsigned char *tower_data, |
| size_t tower_size, |
| char **networkaddr, |
| char **endpoint) |
| { |
| const twr_empty_floor_t *smb_floor = (const twr_empty_floor_t *)tower_data; |
| const twr_empty_floor_t *nb_floor; |
| |
| TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint); |
| |
| if (tower_size < sizeof(*smb_floor)) |
| return EPT_S_NOT_REGISTERED; |
| |
| tower_data += sizeof(*smb_floor); |
| tower_size -= sizeof(*smb_floor); |
| |
| if ((smb_floor->count_lhs != sizeof(smb_floor->protid)) || |
| (smb_floor->protid != EPM_PROTOCOL_SMB) || |
| (smb_floor->count_rhs > tower_size)) |
| return EPT_S_NOT_REGISTERED; |
| |
| if (endpoint) |
| { |
| *endpoint = I_RpcAllocate(smb_floor->count_rhs); |
| if (!*endpoint) |
| return RPC_S_OUT_OF_RESOURCES; |
| memcpy(*endpoint, tower_data, smb_floor->count_rhs); |
| } |
| tower_data += smb_floor->count_rhs; |
| tower_size -= smb_floor->count_rhs; |
| |
| if (tower_size < sizeof(*nb_floor)) |
| return EPT_S_NOT_REGISTERED; |
| |
| nb_floor = (const twr_empty_floor_t *)tower_data; |
| |
| tower_data += sizeof(*nb_floor); |
| tower_size -= sizeof(*nb_floor); |
| |
| if ((nb_floor->count_lhs != sizeof(nb_floor->protid)) || |
| (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; |
| } |
| |
| 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; |
| } RpcConnection_tcp; |
| |
| static RpcConnection *rpcrt4_conn_tcp_alloc(void) |
| { |
| RpcConnection_tcp *tcpc; |
| tcpc = HeapAlloc(GetProcessHeap(), 0, sizeof(RpcConnection_tcp)); |
| if (tcpc) |
| tcpc->sock = -1; |
| 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 (Connection->server) |
| { |
| ERR("ncacn_ip_tcp servers not supported yet\n"); |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| |
| 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 failed: %s\n", gai_strerror(ret)); |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| |
| for (ai_cur = ai; ai_cur; ai_cur = ai->ai_next) |
| { |
| 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 < 0) |
| { |
| WARN("socket() failed\n"); |
| continue; |
| } |
| |
| if (0>connect(sock, ai_cur->ai_addr, ai_cur->ai_addrlen)) |
| { |
| WARN("connect() failed\n"); |
| close(sock); |
| continue; |
| } |
| |
| 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 HANDLE rpcrt4_conn_tcp_get_wait_handle(RpcConnection *Connection) |
| { |
| assert(0); |
| return 0; |
| } |
| |
| static RPC_STATUS rpcrt4_conn_tcp_handoff(RpcConnection *old_conn, RpcConnection *new_conn) |
| { |
| assert(0); |
| return RPC_S_SERVER_UNAVAILABLE; |
| } |
| |
| static int rpcrt4_conn_tcp_read(RpcConnection *Connection, |
| void *buffer, unsigned int count) |
| { |
| RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection; |
| int r = recv(tcpc->sock, buffer, count, MSG_WAITALL); |
| TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, r); |
| return r; |
| } |
| |
| static int rpcrt4_conn_tcp_write(RpcConnection *Connection, |
| const void *buffer, unsigned int count) |
| { |
| RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection; |
| int r = write(tcpc->sock, buffer, count); |
| TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, r); |
| return r; |
| } |
| |
| 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; |
| return 0; |
| } |
| |
| 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; |
| } |
| |
| static const struct protseq_ops protseq_list[] = { |
| { "ncacn_np", |
| { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB }, |
| rpcrt4_conn_np_alloc, |
| rpcrt4_ncacn_np_open, |
| rpcrt4_conn_np_get_connect_event, |
| rpcrt4_conn_np_handoff, |
| rpcrt4_conn_np_read, |
| rpcrt4_conn_np_write, |
| rpcrt4_conn_np_close, |
| 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_conn_np_get_connect_event, |
| rpcrt4_conn_np_handoff, |
| rpcrt4_conn_np_read, |
| rpcrt4_conn_np_write, |
| rpcrt4_conn_np_close, |
| 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_get_wait_handle, |
| rpcrt4_conn_tcp_handoff, |
| rpcrt4_conn_tcp_read, |
| rpcrt4_conn_tcp_write, |
| rpcrt4_conn_tcp_close, |
| rpcrt4_ncacn_ip_tcp_get_top_of_tower, |
| rpcrt4_ncacn_ip_tcp_parse_top_of_tower, |
| } |
| }; |
| |
| #define MAX_PROTSEQ (sizeof protseq_list / sizeof protseq_list[0]) |
| |
| static const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq) |
| { |
| int i; |
| for(i=0; i<MAX_PROTSEQ; i++) |
| if (!strcmp(protseq_list[i].name, protseq)) |
| return &protseq_list[i]; |
| return NULL; |
| } |
| |
| /**** interface to rest of code ****/ |
| |
| RPC_STATUS RPCRT4_OpenConnection(RpcConnection* Connection) |
| { |
| TRACE("(Connection == ^%p)\n", Connection); |
| |
| return Connection->ops->open_connection(Connection); |
| } |
| |
| RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection) |
| { |
| TRACE("(Connection == ^%p)\n", Connection); |
| rpcrt4_conn_close(Connection); |
| return RPC_S_OK; |
| } |
| |
| RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, |
| LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, |
| LPCSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcBinding* Binding) |
| { |
| const struct protseq_ops *ops; |
| RpcConnection* NewConnection; |
| |
| ops = rpcrt4_get_protseq_ops(Protseq); |
| if (!ops) |
| return RPC_S_PROTSEQ_NOT_SUPPORTED; |
| |
| NewConnection = ops->alloc(); |
| NewConnection->Next = NULL; |
| NewConnection->server = server; |
| NewConnection->ops = ops; |
| NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr); |
| NewConnection->Endpoint = RPCRT4_strdupA(Endpoint); |
| NewConnection->Used = Binding; |
| NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE; |
| memset(&NewConnection->ActiveInterface, 0, sizeof(NewConnection->ActiveInterface)); |
| NewConnection->NextCallId = 1; |
| |
| memset(&NewConnection->ctx, 0, sizeof(NewConnection->ctx)); |
| if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo); |
| NewConnection->AuthInfo = AuthInfo; |
| list_init(&NewConnection->conn_pool_entry); |
| |
| TRACE("connection: %p\n", NewConnection); |
| *Connection = NewConnection; |
| |
| return RPC_S_OK; |
| } |
| |
| RpcConnection *RPCRT4_GetIdleConnection(const RPC_SYNTAX_IDENTIFIER *InterfaceId, |
| const RPC_SYNTAX_IDENTIFIER *TransferSyntax, LPCSTR Protseq, LPCSTR NetworkAddr, |
| LPCSTR Endpoint, RpcAuthInfo* AuthInfo) |
| { |
| RpcConnection *Connection; |
| /* try to find a compatible connection from the connection pool */ |
| EnterCriticalSection(&connection_pool_cs); |
| LIST_FOR_EACH_ENTRY(Connection, &connection_pool, RpcConnection, conn_pool_entry) |
| if ((Connection->AuthInfo == AuthInfo) && |
| !memcmp(&Connection->ActiveInterface, InterfaceId, |
| sizeof(RPC_SYNTAX_IDENTIFIER)) && |
| !strcmp(rpcrt4_conn_get_name(Connection), Protseq) && |
| !strcmp(Connection->NetworkAddr, NetworkAddr) && |
| !strcmp(Connection->Endpoint, Endpoint)) |
| { |
| list_remove(&Connection->conn_pool_entry); |
| LeaveCriticalSection(&connection_pool_cs); |
| TRACE("got connection from pool %p\n", Connection); |
| return Connection; |
| } |
| |
| LeaveCriticalSection(&connection_pool_cs); |
| return NULL; |
| } |
| |
| void RPCRT4_ReleaseIdleConnection(RpcConnection *Connection) |
| { |
| assert(!Connection->server); |
| EnterCriticalSection(&connection_pool_cs); |
| list_add_head(&connection_pool, &Connection->conn_pool_entry); |
| LeaveCriticalSection(&connection_pool_cs); |
| } |
| |
| |
| 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, NULL); |
| 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); |
| if (Connection->AuthInfo) RpcAuthInfo_Release(Connection->AuthInfo); |
| 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 protseq_ops *protseq_ops = rpcrt4_get_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 protseq_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 < MAX_PROTSEQ; i++) |
| if ((protocol_floor->protid == protseq_list[i].epm_protocols[0]) && |
| (floor4->protid == protseq_list[i].epm_protocols[1])) |
| { |
| protseq_ops = &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(LPWSTR protseq) |
| { |
| char ps[0x10]; |
| |
| WideCharToMultiByte(CP_ACP, 0, protseq, -1, |
| ps, sizeof ps, NULL, NULL); |
| if (rpcrt4_get_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(unsigned char *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; |
| } |
