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/*
* Windows sockets
*
* Copyright 2021 Zebediah Figura for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <errno.h>
#include <unistd.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETIPX_IPX_H
# include <netipx/ipx.h>
#elif defined(HAVE_LINUX_IPX_H)
# ifdef HAVE_ASM_TYPES_H
# include <asm/types.h>
# endif
# ifdef HAVE_LINUX_TYPES_H
# include <linux/types.h>
# endif
# include <linux/ipx.h>
#endif
#if defined(SOL_IPX) || defined(SO_DEFAULT_HEADERS)
# define HAS_IPX
#endif
#ifdef HAVE_LINUX_IRDA_H
# ifdef HAVE_LINUX_TYPES_H
# include <linux/types.h>
# endif
# include <linux/irda.h>
# define HAS_IRDA
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winioctl.h"
#define USE_WS_PREFIX
#include "winsock2.h"
#include "mswsock.h"
#include "ws2tcpip.h"
#include "wsipx.h"
#include "af_irda.h"
#include "wine/afd.h"
#include "unix_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(winsock);
#define FILE_USE_FILE_POINTER_POSITION ((LONGLONG)-2)
static async_data_t server_async( HANDLE handle, struct async_fileio *user, HANDLE event,
PIO_APC_ROUTINE apc, void *apc_context, IO_STATUS_BLOCK *io )
{
async_data_t async;
async.handle = wine_server_obj_handle( handle );
async.user = wine_server_client_ptr( user );
async.iosb = wine_server_client_ptr( io );
async.event = wine_server_obj_handle( event );
async.apc = wine_server_client_ptr( apc );
async.apc_context = wine_server_client_ptr( apc_context );
return async;
}
static NTSTATUS wait_async( HANDLE handle, BOOL alertable )
{
return NtWaitForSingleObject( handle, alertable, NULL );
}
union unix_sockaddr
{
struct sockaddr addr;
struct sockaddr_in in;
struct sockaddr_in6 in6;
#ifdef HAS_IPX
struct sockaddr_ipx ipx;
#endif
#ifdef HAS_IRDA
struct sockaddr_irda irda;
#endif
};
struct async_recv_ioctl
{
struct async_fileio io;
WSABUF *control;
struct WS_sockaddr *addr;
int *addr_len;
DWORD *ret_flags;
int unix_flags;
unsigned int count;
struct iovec iov[1];
};
struct async_send_ioctl
{
struct async_fileio io;
const struct WS_sockaddr *addr;
int addr_len;
int unix_flags;
unsigned int sent_len;
unsigned int count;
unsigned int iov_cursor;
struct iovec iov[1];
};
struct async_transmit_ioctl
{
struct async_fileio io;
HANDLE file;
char *buffer;
unsigned int buffer_size; /* allocated size of buffer */
unsigned int read_len; /* amount of valid data currently in the buffer */
unsigned int head_cursor; /* amount of header data already sent */
unsigned int file_cursor; /* amount of file data already sent */
unsigned int buffer_cursor; /* amount of data currently in the buffer already sent */
unsigned int tail_cursor; /* amount of tail data already sent */
unsigned int file_len; /* total file length to send */
DWORD flags;
TRANSMIT_FILE_BUFFERS buffers;
LARGE_INTEGER offset;
};
static NTSTATUS sock_errno_to_status( int err )
{
switch (err)
{
case EBADF: return STATUS_INVALID_HANDLE;
case EBUSY: return STATUS_DEVICE_BUSY;
case EPERM:
case EACCES: return STATUS_ACCESS_DENIED;
case EFAULT: return STATUS_ACCESS_VIOLATION;
case EINVAL: return STATUS_INVALID_PARAMETER;
case ENFILE:
case EMFILE: return STATUS_TOO_MANY_OPENED_FILES;
case EINPROGRESS:
case EWOULDBLOCK: return STATUS_DEVICE_NOT_READY;
case EALREADY: return STATUS_NETWORK_BUSY;
case ENOTSOCK: return STATUS_OBJECT_TYPE_MISMATCH;
case EDESTADDRREQ: return STATUS_INVALID_PARAMETER;
case EMSGSIZE: return STATUS_BUFFER_OVERFLOW;
case EPROTONOSUPPORT:
case ESOCKTNOSUPPORT:
case EPFNOSUPPORT:
case EAFNOSUPPORT:
case EPROTOTYPE: return STATUS_NOT_SUPPORTED;
case ENOPROTOOPT: return STATUS_INVALID_PARAMETER;
case EOPNOTSUPP: return STATUS_NOT_SUPPORTED;
case EADDRINUSE: return STATUS_SHARING_VIOLATION;
case EADDRNOTAVAIL: return STATUS_INVALID_PARAMETER;
case ECONNREFUSED: return STATUS_CONNECTION_REFUSED;
case ESHUTDOWN: return STATUS_PIPE_DISCONNECTED;
case ENOTCONN: return STATUS_INVALID_CONNECTION;
case ETIMEDOUT: return STATUS_IO_TIMEOUT;
case ENETUNREACH: return STATUS_NETWORK_UNREACHABLE;
case EHOSTUNREACH: return STATUS_HOST_UNREACHABLE;
case ENETDOWN: return STATUS_NETWORK_BUSY;
case EPIPE:
case ECONNRESET: return STATUS_CONNECTION_RESET;
case ECONNABORTED: return STATUS_CONNECTION_ABORTED;
case EISCONN: return STATUS_CONNECTION_ACTIVE;
case 0: return STATUS_SUCCESS;
default:
FIXME( "unknown errno %d\n", err );
return STATUS_UNSUCCESSFUL;
}
}
static socklen_t sockaddr_to_unix( const struct WS_sockaddr *wsaddr, int wsaddrlen, union unix_sockaddr *uaddr )
{
memset( uaddr, 0, sizeof(*uaddr) );
switch (wsaddr->sa_family)
{
case WS_AF_INET:
{
struct WS_sockaddr_in win = {0};
if (wsaddrlen < sizeof(win)) return 0;
memcpy( &win, wsaddr, sizeof(win) );
uaddr->in.sin_family = AF_INET;
uaddr->in.sin_port = win.sin_port;
memcpy( &uaddr->in.sin_addr, &win.sin_addr, sizeof(win.sin_addr) );
return sizeof(uaddr->in);
}
case WS_AF_INET6:
{
struct WS_sockaddr_in6 win = {0};
if (wsaddrlen < sizeof(struct WS_sockaddr_in6_old)) return 0;
if (wsaddrlen < sizeof(struct WS_sockaddr_in6))
memcpy( &win, wsaddr, sizeof(struct WS_sockaddr_in6_old) );
else
memcpy( &win, wsaddr, sizeof(struct WS_sockaddr_in6) );
uaddr->in6.sin6_family = AF_INET6;
uaddr->in6.sin6_port = win.sin6_port;
uaddr->in6.sin6_flowinfo = win.sin6_flowinfo;
memcpy( &uaddr->in6.sin6_addr, &win.sin6_addr, sizeof(win.sin6_addr) );
#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
if (wsaddrlen >= sizeof(struct WS_sockaddr_in6))
uaddr->in6.sin6_scope_id = win.sin6_scope_id;
#endif
return sizeof(uaddr->in6);
}
#ifdef HAS_IPX
case WS_AF_IPX:
{
struct WS_sockaddr_ipx win = {0};
if (wsaddrlen < sizeof(win)) return 0;
memcpy( &win, wsaddr, sizeof(win) );
uaddr->ipx.sipx_family = AF_IPX;
memcpy( &uaddr->ipx.sipx_network, win.sa_netnum, sizeof(win.sa_netnum) );
memcpy( &uaddr->ipx.sipx_node, win.sa_nodenum, sizeof(win.sa_nodenum) );
uaddr->ipx.sipx_port = win.sa_socket;
return sizeof(uaddr->ipx);
}
#endif
#ifdef HAS_IRDA
case WS_AF_IRDA:
{
SOCKADDR_IRDA win = {0};
unsigned int lsap_sel;
if (wsaddrlen < sizeof(win)) return 0;
memcpy( &win, wsaddr, sizeof(win) );
uaddr->irda.sir_family = AF_IRDA;
if (sscanf( win.irdaServiceName, "LSAP-SEL%u", &lsap_sel ) == 1)
uaddr->irda.sir_lsap_sel = lsap_sel;
else
{
uaddr->irda.sir_lsap_sel = LSAP_ANY;
memcpy( uaddr->irda.sir_name, win.irdaServiceName, sizeof(win.irdaServiceName) );
}
memcpy( &uaddr->irda.sir_addr, win.irdaDeviceID, sizeof(win.irdaDeviceID) );
return sizeof(uaddr->irda);
}
#endif
case WS_AF_UNSPEC:
switch (wsaddrlen)
{
default: /* likely an ipv4 address */
case sizeof(struct WS_sockaddr_in):
return sizeof(uaddr->in);
#ifdef HAS_IPX
case sizeof(struct WS_sockaddr_ipx):
return sizeof(uaddr->ipx);
#endif
#ifdef HAS_IRDA
case sizeof(SOCKADDR_IRDA):
return sizeof(uaddr->irda);
#endif
case sizeof(struct WS_sockaddr_in6):
case sizeof(struct WS_sockaddr_in6_old):
return sizeof(uaddr->in6);
}
default:
FIXME( "unknown address family %u\n", wsaddr->sa_family );
return 0;
}
}
static int sockaddr_from_unix( const union unix_sockaddr *uaddr, struct WS_sockaddr *wsaddr, socklen_t wsaddrlen )
{
memset( wsaddr, 0, wsaddrlen );
switch (uaddr->addr.sa_family)
{
case AF_INET:
{
struct WS_sockaddr_in win = {0};
if (wsaddrlen < sizeof(win)) return -1;
win.sin_family = WS_AF_INET;
win.sin_port = uaddr->in.sin_port;
memcpy( &win.sin_addr, &uaddr->in.sin_addr, sizeof(win.sin_addr) );
memcpy( wsaddr, &win, sizeof(win) );
return sizeof(win);
}
case AF_INET6:
{
struct WS_sockaddr_in6 win = {0};
if (wsaddrlen < sizeof(struct WS_sockaddr_in6_old)) return -1;
win.sin6_family = WS_AF_INET6;
win.sin6_port = uaddr->in6.sin6_port;
win.sin6_flowinfo = uaddr->in6.sin6_flowinfo;
memcpy( &win.sin6_addr, &uaddr->in6.sin6_addr, sizeof(win.sin6_addr) );
#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
win.sin6_scope_id = uaddr->in6.sin6_scope_id;
#endif
if (wsaddrlen >= sizeof(struct WS_sockaddr_in6))
{
memcpy( wsaddr, &win, sizeof(struct WS_sockaddr_in6) );
return sizeof(struct WS_sockaddr_in6);
}
memcpy( wsaddr, &win, sizeof(struct WS_sockaddr_in6_old) );
return sizeof(struct WS_sockaddr_in6_old);
}
#ifdef HAS_IPX
case AF_IPX:
{
struct WS_sockaddr_ipx win = {0};
if (wsaddrlen < sizeof(win)) return -1;
win.sa_family = WS_AF_IPX;
memcpy( win.sa_netnum, &uaddr->ipx.sipx_network, sizeof(win.sa_netnum) );
memcpy( win.sa_nodenum, &uaddr->ipx.sipx_node, sizeof(win.sa_nodenum) );
win.sa_socket = uaddr->ipx.sipx_port;
memcpy( wsaddr, &win, sizeof(win) );
return sizeof(win);
}
#endif
#ifdef HAS_IRDA
case AF_IRDA:
{
SOCKADDR_IRDA win;
if (wsaddrlen < sizeof(win)) return -1;
win.irdaAddressFamily = WS_AF_IRDA;
memcpy( win.irdaDeviceID, &uaddr->irda.sir_addr, sizeof(win.irdaDeviceID) );
if (uaddr->irda.sir_lsap_sel != LSAP_ANY)
snprintf( win.irdaServiceName, sizeof(win.irdaServiceName), "LSAP-SEL%u", uaddr->irda.sir_lsap_sel );
else
memcpy( win.irdaServiceName, uaddr->irda.sir_name, sizeof(win.irdaServiceName) );
memcpy( wsaddr, &win, sizeof(win) );
return sizeof(win);
}
#endif
case AF_UNSPEC:
return 0;
default:
FIXME( "unknown address family %d\n", uaddr->addr.sa_family );
return -1;
}
}
#ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
#if defined(IP_PKTINFO) || defined(IP_RECVDSTADDR)
static WSACMSGHDR *fill_control_message( int level, int type, WSACMSGHDR *current, ULONG *maxsize, void *data, int len )
{
ULONG msgsize = sizeof(WSACMSGHDR) + WSA_CMSG_ALIGN(len);
char *ptr = (char *) current + sizeof(WSACMSGHDR);
if (msgsize > *maxsize)
return NULL;
*maxsize -= msgsize;
current->cmsg_len = sizeof(WSACMSGHDR) + len;
current->cmsg_level = level;
current->cmsg_type = type;
memcpy(ptr, data, len);
return (WSACMSGHDR *)(ptr + WSA_CMSG_ALIGN(len));
}
#endif /* defined(IP_PKTINFO) || defined(IP_RECVDSTADDR) */
static int convert_control_headers(struct msghdr *hdr, WSABUF *control)
{
#if defined(IP_PKTINFO) || defined(IP_RECVDSTADDR)
WSACMSGHDR *cmsg_win = (WSACMSGHDR *)control->buf, *ptr;
ULONG ctlsize = control->len;
struct cmsghdr *cmsg_unix;
ptr = cmsg_win;
for (cmsg_unix = CMSG_FIRSTHDR(hdr); cmsg_unix != NULL; cmsg_unix = CMSG_NXTHDR(hdr, cmsg_unix))
{
switch (cmsg_unix->cmsg_level)
{
case IPPROTO_IP:
switch (cmsg_unix->cmsg_type)
{
#if defined(IP_PKTINFO)
case IP_PKTINFO:
{
const struct in_pktinfo *data_unix = (struct in_pktinfo *)CMSG_DATA(cmsg_unix);
struct WS_in_pktinfo data_win;
memcpy( &data_win.ipi_addr, &data_unix->ipi_addr.s_addr, 4 ); /* 4 bytes = 32 address bits */
data_win.ipi_ifindex = data_unix->ipi_ifindex;
ptr = fill_control_message( WS_IPPROTO_IP, WS_IP_PKTINFO, ptr, &ctlsize,
(void *)&data_win, sizeof(data_win) );
if (!ptr) goto error;
break;
}
#elif defined(IP_RECVDSTADDR)
case IP_RECVDSTADDR:
{
const struct in_addr *addr_unix = (struct in_addr *)CMSG_DATA(cmsg_unix);
struct WS_in_pktinfo data_win;
memcpy( &data_win.ipi_addr, &addr_unix->s_addr, 4 ); /* 4 bytes = 32 address bits */
data_win.ipi_ifindex = 0; /* FIXME */
ptr = fill_control_message( WS_IPPROTO_IP, WS_IP_PKTINFO, ptr, &ctlsize,
(void *)&data_win, sizeof(data_win) );
if (!ptr) goto error;
break;
}
#endif /* IP_PKTINFO */
default:
FIXME("Unhandled IPPROTO_IP message header type %d\n", cmsg_unix->cmsg_type);
break;
}
break;
default:
FIXME("Unhandled message header level %d\n", cmsg_unix->cmsg_level);
break;
}
}
control->len = (char *)ptr - (char *)cmsg_win;
return 1;
error:
control->len = 0;
return 0;
#else /* defined(IP_PKTINFO) || defined(IP_RECVDSTADDR) */
control->len = 0;
return 1;
#endif /* defined(IP_PKTINFO) || defined(IP_RECVDSTADDR) */
}
#endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
static NTSTATUS try_recv( int fd, struct async_recv_ioctl *async, ULONG_PTR *size )
{
#ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
char control_buffer[512];
#endif
union unix_sockaddr unix_addr;
struct msghdr hdr;
NTSTATUS status;
ssize_t ret;
memset( &hdr, 0, sizeof(hdr) );
if (async->addr)
{
hdr.msg_name = &unix_addr.addr;
hdr.msg_namelen = sizeof(unix_addr);
}
hdr.msg_iov = async->iov;
hdr.msg_iovlen = async->count;
#ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
hdr.msg_control = control_buffer;
hdr.msg_controllen = sizeof(control_buffer);
#endif
while ((ret = virtual_locked_recvmsg( fd, &hdr, async->unix_flags )) < 0 && errno == EINTR);
if (ret < 0)
{
/* Unix-like systems return EINVAL when attempting to read OOB data from
* an empty socket buffer; Windows returns WSAEWOULDBLOCK. */
if ((async->unix_flags & MSG_OOB) && errno == EINVAL)
errno = EWOULDBLOCK;
if (errno != EWOULDBLOCK) WARN( "recvmsg: %s\n", strerror( errno ) );
return sock_errno_to_status( errno );
}
status = (hdr.msg_flags & MSG_TRUNC) ? STATUS_BUFFER_OVERFLOW : STATUS_SUCCESS;
#ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
if (async->control)
{
ERR( "Message control headers cannot be properly supported on this system.\n" );
async->control->len = 0;
}
#else
if (async->control && !convert_control_headers( &hdr, async->control ))
{
WARN( "Application passed insufficient room for control headers.\n" );
*async->ret_flags |= WS_MSG_CTRUNC;
status = STATUS_BUFFER_OVERFLOW;
}
#endif
/* If this socket is connected, Linux doesn't give us msg_name and
* msg_namelen from recvmsg, but it does set msg_namelen to zero.
*
* MSDN says that the address is ignored for connection-oriented sockets, so
* don't try to translate it.
*/
if (async->addr && hdr.msg_namelen)
*async->addr_len = sockaddr_from_unix( &unix_addr, async->addr, *async->addr_len );
*size = ret;
return status;
}
static NTSTATUS async_recv_proc( void *user, IO_STATUS_BLOCK *io, NTSTATUS status )
{
struct async_recv_ioctl *async = user;
ULONG_PTR information = 0;
int fd, needs_close;
TRACE( "%#x\n", status );
if (status == STATUS_ALERTED)
{
if ((status = server_get_unix_fd( async->io.handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
status = try_recv( fd, async, &information );
TRACE( "got status %#x, %#lx bytes read\n", status, information );
if (status == STATUS_DEVICE_NOT_READY)
status = STATUS_PENDING;
if (needs_close) close( fd );
}
if (status != STATUS_PENDING)
{
io->Status = status;
io->Information = information;
release_fileio( &async->io );
}
return status;
}
static NTSTATUS sock_recv( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user, IO_STATUS_BLOCK *io,
int fd, const WSABUF *buffers, unsigned int count, WSABUF *control,
struct WS_sockaddr *addr, int *addr_len, DWORD *ret_flags, int unix_flags, int force_async )
{
struct async_recv_ioctl *async;
ULONG_PTR information;
HANDLE wait_handle;
DWORD async_size;
NTSTATUS status;
unsigned int i;
ULONG options;
if (unix_flags & MSG_OOB)
{
int oobinline;
socklen_t len = sizeof(oobinline);
if (!getsockopt( fd, SOL_SOCKET, SO_OOBINLINE, (char *)&oobinline, &len ) && oobinline)
return STATUS_INVALID_PARAMETER;
}
for (i = 0; i < count; ++i)
{
if (!virtual_check_buffer_for_write( buffers[i].buf, buffers[i].len ))
return STATUS_ACCESS_VIOLATION;
}
async_size = offsetof( struct async_recv_ioctl, iov[count] );
if (!(async = (struct async_recv_ioctl *)alloc_fileio( async_size, async_recv_proc, handle )))
return STATUS_NO_MEMORY;
async->count = count;
for (i = 0; i < count; ++i)
{
async->iov[i].iov_base = buffers[i].buf;
async->iov[i].iov_len = buffers[i].len;
}
async->unix_flags = unix_flags;
async->control = control;
async->addr = addr;
async->addr_len = addr_len;
async->ret_flags = ret_flags;
status = try_recv( fd, async, &information );
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_OVERFLOW && status != STATUS_DEVICE_NOT_READY)
{
release_fileio( &async->io );
return status;
}
if (status == STATUS_DEVICE_NOT_READY && force_async)
status = STATUS_PENDING;
if (!NT_ERROR(status))
{
io->Status = status;
io->Information = information;
}
SERVER_START_REQ( recv_socket )
{
req->status = status;
req->total = information;
req->async = server_async( handle, &async->io, event, apc, apc_user, io );
req->oob = !!(unix_flags & MSG_OOB);
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
}
SERVER_END_REQ;
if (status != STATUS_PENDING) release_fileio( &async->io );
if (wait_handle) status = wait_async( wait_handle, options & FILE_SYNCHRONOUS_IO_ALERT );
return status;
}
struct async_poll_ioctl
{
struct async_fileio io;
unsigned int count;
struct afd_poll_params *input, *output;
struct poll_socket_output sockets[1];
};
static ULONG_PTR fill_poll_output( struct async_poll_ioctl *async, NTSTATUS status )
{
struct afd_poll_params *input = async->input, *output = async->output;
unsigned int i, count = 0;
memcpy( output, input, offsetof( struct afd_poll_params, sockets[0] ) );
if (!status)
{
for (i = 0; i < async->count; ++i)
{
if (async->sockets[i].flags)
{
output->sockets[count].socket = input->sockets[i].socket;
output->sockets[count].flags = async->sockets[i].flags;
output->sockets[count].status = async->sockets[i].status;
++count;
}
}
}
output->count = count;
return offsetof( struct afd_poll_params, sockets[count] );
}
static NTSTATUS async_poll_proc( void *user, IO_STATUS_BLOCK *io, NTSTATUS status )
{
struct async_poll_ioctl *async = user;
ULONG_PTR information = 0;
if (status == STATUS_ALERTED)
{
SERVER_START_REQ( get_async_result )
{
req->user_arg = wine_server_client_ptr( async );
wine_server_set_reply( req, async->sockets, async->count * sizeof(async->sockets[0]) );
status = wine_server_call( req );
}
SERVER_END_REQ;
information = fill_poll_output( async, status );
}
if (status != STATUS_PENDING)
{
io->Status = status;
io->Information = information;
free( async->input );
release_fileio( &async->io );
}
return status;
}
/* we could handle this ioctl entirely on the server side, but the differing
* structure size makes it painful */
static NTSTATUS sock_poll( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user, IO_STATUS_BLOCK *io,
void *in_buffer, ULONG in_size, void *out_buffer, ULONG out_size )
{
const struct afd_poll_params *params = in_buffer;
struct poll_socket_input *input;
struct async_poll_ioctl *async;
HANDLE wait_handle;
DWORD async_size;
NTSTATUS status;
unsigned int i;
ULONG options;
if (in_size < sizeof(*params) || out_size < in_size || !params->count
|| in_size < offsetof( struct afd_poll_params, sockets[params->count] ))
return STATUS_INVALID_PARAMETER;
TRACE( "timeout %s, count %u, unknown %#x, padding (%#x, %#x, %#x), sockets[0] {%04lx, %#x}\n",
wine_dbgstr_longlong(params->timeout), params->count, params->unknown,
params->padding[0], params->padding[1], params->padding[2],
params->sockets[0].socket, params->sockets[0].flags );
if (params->unknown) FIXME( "unknown boolean is %#x\n", params->unknown );
if (params->padding[0]) FIXME( "padding[0] is %#x\n", params->padding[0] );
if (params->padding[1]) FIXME( "padding[1] is %#x\n", params->padding[1] );
if (params->padding[2]) FIXME( "padding[2] is %#x\n", params->padding[2] );
for (i = 0; i < params->count; ++i)
{
if (params->sockets[i].flags & ~0x1ff)
FIXME( "unknown socket flags %#x\n", params->sockets[i].flags );
}
if (!(input = malloc( params->count * sizeof(*input) )))
return STATUS_NO_MEMORY;
async_size = offsetof( struct async_poll_ioctl, sockets[params->count] );
if (!(async = (struct async_poll_ioctl *)alloc_fileio( async_size, async_poll_proc, handle )))
{
free( input );
return STATUS_NO_MEMORY;
}
if (!(async->input = malloc( in_size )))
{
release_fileio( &async->io );
free( input );
return STATUS_NO_MEMORY;
}
memcpy( async->input, in_buffer, in_size );
async->count = params->count;
async->output = out_buffer;
for (i = 0; i < params->count; ++i)
{
input[i].socket = params->sockets[i].socket;
input[i].flags = params->sockets[i].flags;
}
SERVER_START_REQ( poll_socket )
{
req->async = server_async( handle, &async->io, event, apc, apc_user, io );
req->timeout = params->timeout;
wine_server_add_data( req, input, params->count * sizeof(*input) );
wine_server_set_reply( req, async->sockets, params->count * sizeof(async->sockets[0]) );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
if (wait_handle && status != STATUS_PENDING)
{
io->Status = status;
io->Information = fill_poll_output( async, status );
}
}
SERVER_END_REQ;
free( input );
if (status != STATUS_PENDING)
{
free( async->input );
release_fileio( &async->io );
}
if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT) );
return status;
}
static NTSTATUS try_send( int fd, struct async_send_ioctl *async )
{
union unix_sockaddr unix_addr;
struct msghdr hdr;
ssize_t ret;
memset( &hdr, 0, sizeof(hdr) );
if (async->addr)
{
hdr.msg_name = &unix_addr;
hdr.msg_namelen = sockaddr_to_unix( async->addr, async->addr_len, &unix_addr );
if (!hdr.msg_namelen)
{
ERR( "failed to convert address\n" );
return STATUS_ACCESS_VIOLATION;
}
#if defined(HAS_IPX) && defined(SOL_IPX)
if (async->addr->sa_family == WS_AF_IPX)
{
int type;
socklen_t len = sizeof(type);
/* The packet type is stored at the IPX socket level. At least the
* linux kernel seems to do something with it in case hdr.msg_name
* is NULL. Nonetheless we can use it to store the packet type, and
* then we can retrieve it using getsockopt. After that we can set
* the IPX type in the sockaddr_ipx structure with the stored value.
*/
if (getsockopt(fd, SOL_IPX, IPX_TYPE, &type, &len) >= 0)
unix_addr.ipx.sipx_type = type;
}
#endif
}
hdr.msg_iov = async->iov + async->iov_cursor;
hdr.msg_iovlen = async->count - async->iov_cursor;
while ((ret = sendmsg( fd, &hdr, async->unix_flags )) == -1)
{
if (errno == EISCONN)
{
hdr.msg_name = NULL;
hdr.msg_namelen = 0;
}
else if (errno != EINTR)
{
if (errno != EWOULDBLOCK) WARN( "sendmsg: %s\n", strerror( errno ) );
return sock_errno_to_status( errno );
}
}
async->sent_len += ret;
while (async->iov_cursor < async->count && ret >= async->iov[async->iov_cursor].iov_len)
ret -= async->iov[async->iov_cursor++].iov_len;
if (async->iov_cursor < async->count)
{
async->iov[async->iov_cursor].iov_base = (char *)async->iov[async->iov_cursor].iov_base + ret;
async->iov[async->iov_cursor].iov_len -= ret;
return STATUS_DEVICE_NOT_READY;
}
return STATUS_SUCCESS;
}
static NTSTATUS async_send_proc( void *user, IO_STATUS_BLOCK *io, NTSTATUS status )
{
struct async_send_ioctl *async = user;
int fd, needs_close;
TRACE( "%#x\n", status );
if (status == STATUS_ALERTED)
{
if ((status = server_get_unix_fd( async->io.handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
status = try_send( fd, async );
TRACE( "got status %#x\n", status );
if (status == STATUS_DEVICE_NOT_READY)
status = STATUS_PENDING;
if (needs_close) close( fd );
}
if (status != STATUS_PENDING)
{
io->Status = status;
io->Information = async->sent_len;
release_fileio( &async->io );
}
return status;
}
static NTSTATUS sock_send( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, int fd, const WSABUF *buffers, unsigned int count,
const struct WS_sockaddr *addr, unsigned int addr_len, int unix_flags, int force_async )
{
struct async_send_ioctl *async;
HANDLE wait_handle;
DWORD async_size;
NTSTATUS status;
unsigned int i;
ULONG options;
async_size = offsetof( struct async_send_ioctl, iov[count] );
if (!(async = (struct async_send_ioctl *)alloc_fileio( async_size, async_send_proc, handle )))
return STATUS_NO_MEMORY;
async->count = count;
for (i = 0; i < count; ++i)
{
async->iov[i].iov_base = buffers[i].buf;
async->iov[i].iov_len = buffers[i].len;
}
async->unix_flags = unix_flags;
async->addr = addr;
async->addr_len = addr_len;
async->iov_cursor = 0;
async->sent_len = 0;
status = try_send( fd, async );
if (status != STATUS_SUCCESS && status != STATUS_DEVICE_NOT_READY)
{
release_fileio( &async->io );
return status;
}
if (status == STATUS_DEVICE_NOT_READY && force_async)
status = STATUS_PENDING;
if (!NT_ERROR(status))
{
io->Status = status;
io->Information = async->sent_len;
}
SERVER_START_REQ( send_socket )
{
req->status = status;
req->total = async->sent_len;
req->async = server_async( handle, &async->io, event, apc, apc_user, io );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
}
SERVER_END_REQ;
if (status != STATUS_PENDING) release_fileio( &async->io );
if (wait_handle) status = wait_async( wait_handle, options & FILE_SYNCHRONOUS_IO_ALERT );
return status;
}
static ssize_t do_send( int fd, const void *buffer, size_t len, int flags )
{
ssize_t ret;
while ((ret = send( fd, buffer, len, flags )) < 0 && errno == EINTR);
if (ret < 0 && errno != EWOULDBLOCK) WARN( "send: %s\n", strerror( errno ) );
return ret;
}
static NTSTATUS try_transmit( int sock_fd, int file_fd, struct async_transmit_ioctl *async )
{
ssize_t ret;
while (async->head_cursor < async->buffers.HeadLength)
{
TRACE( "sending %u bytes of header data\n", async->buffers.HeadLength - async->head_cursor );
ret = do_send( sock_fd, (char *)async->buffers.Head + async->head_cursor,
async->buffers.HeadLength - async->head_cursor, 0 );
if (ret < 0) return sock_errno_to_status( errno );
TRACE( "send returned %zd\n", ret );
async->head_cursor += ret;
}
while (async->buffer_cursor < async->read_len)
{
TRACE( "sending %u bytes of file data\n", async->read_len - async->buffer_cursor );
ret = do_send( sock_fd, async->buffer + async->buffer_cursor,
async->read_len - async->buffer_cursor, 0 );
if (ret < 0) return sock_errno_to_status( errno );
TRACE( "send returned %zd\n", ret );
async->buffer_cursor += ret;
async->file_cursor += ret;
}
if (async->file && async->buffer_cursor == async->read_len)
{
unsigned int read_size = async->buffer_size;
if (async->file_len)
read_size = min( read_size, async->file_len - async->file_cursor );
TRACE( "reading %u bytes of file data\n", read_size );
do
{
if (async->offset.QuadPart == FILE_USE_FILE_POINTER_POSITION)
ret = read( file_fd, async->buffer, read_size );
else
ret = pread( file_fd, async->buffer, read_size, async->offset.QuadPart );
} while (ret < 0 && errno == EINTR);
if (ret < 0) return errno_to_status( errno );
TRACE( "read returned %zd\n", ret );
async->read_len = ret;
async->buffer_cursor = 0;
if (async->offset.QuadPart != FILE_USE_FILE_POINTER_POSITION)
async->offset.QuadPart += ret;
if (ret < read_size || (async->file_len && async->file_cursor == async->file_len))
async->file = NULL;
return STATUS_PENDING; /* still more data to send */
}
while (async->tail_cursor < async->buffers.TailLength)
{
TRACE( "sending %u bytes of tail data\n", async->buffers.TailLength - async->tail_cursor );
ret = do_send( sock_fd, (char *)async->buffers.Tail + async->tail_cursor,
async->buffers.TailLength - async->tail_cursor, 0 );
if (ret < 0) return sock_errno_to_status( errno );
TRACE( "send returned %zd\n", ret );
async->tail_cursor += ret;
}
return STATUS_SUCCESS;
}
static NTSTATUS async_transmit_proc( void *user, IO_STATUS_BLOCK *io, NTSTATUS status )
{
int sock_fd, file_fd = -1, sock_needs_close = FALSE, file_needs_close = FALSE;
struct async_transmit_ioctl *async = user;
TRACE( "%#x\n", status );
if (status == STATUS_ALERTED)
{
if ((status = server_get_unix_fd( async->io.handle, 0, &sock_fd, &sock_needs_close, NULL, NULL )))
return status;
if (async->file && (status = server_get_unix_fd( async->file, 0, &file_fd, &file_needs_close, NULL, NULL )))
{
if (sock_needs_close) close( sock_fd );
return status;
}
status = try_transmit( sock_fd, file_fd, async );
TRACE( "got status %#x\n", status );
if (status == STATUS_DEVICE_NOT_READY)
status = STATUS_PENDING;
if (sock_needs_close) close( sock_fd );
if (file_needs_close) close( file_fd );
}
if (status != STATUS_PENDING)
{
io->Status = status;
io->Information = async->head_cursor + async->file_cursor + async->tail_cursor;
release_fileio( &async->io );
}
return status;
}
static NTSTATUS sock_transmit( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
IO_STATUS_BLOCK *io, int fd, const struct afd_transmit_params *params )
{
int file_fd, file_needs_close = FALSE;
struct async_transmit_ioctl *async;
enum server_fd_type file_type;
union unix_sockaddr addr;
socklen_t addr_len;
HANDLE wait_handle;
NTSTATUS status;
ULONG options;
addr_len = sizeof(addr);
if (getpeername( fd, &addr.addr, &addr_len ) != 0)
return STATUS_INVALID_CONNECTION;
if (params->file)
{
if ((status = server_get_unix_fd( params->file, 0, &file_fd, &file_needs_close, &file_type, NULL )))
return status;
if (file_needs_close) close( file_fd );
if (file_type != FD_TYPE_FILE)
{
FIXME( "unsupported file type %#x\n", file_type );
return STATUS_NOT_IMPLEMENTED;
}
}
if (!(async = (struct async_transmit_ioctl *)alloc_fileio( sizeof(*async), async_transmit_proc, handle )))
return STATUS_NO_MEMORY;
async->file = params->file;
async->buffer_size = params->buffer_size ? params->buffer_size : 65536;
if (!(async->buffer = malloc( async->buffer_size )))
{
release_fileio( &async->io );
return STATUS_NO_MEMORY;
}
async->read_len = 0;
async->head_cursor = 0;
async->file_cursor = 0;
async->buffer_cursor = 0;
async->tail_cursor = 0;
async->file_len = params->file_len;
async->flags = params->flags;
async->buffers = params->buffers;
async->offset = params->offset;
SERVER_START_REQ( send_socket )
{
req->status = STATUS_PENDING;
req->total = 0;
req->async = server_async( handle, &async->io, event, apc, apc_user, io );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
}
SERVER_END_REQ;
if (status != STATUS_PENDING) release_fileio( &async->io );
if (wait_handle) status = wait_async( wait_handle, options & FILE_SYNCHRONOUS_IO_ALERT );
return status;
}
NTSTATUS sock_ioctl( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user, IO_STATUS_BLOCK *io,
ULONG code, void *in_buffer, ULONG in_size, void *out_buffer, ULONG out_size )
{
int fd, needs_close = FALSE;
NTSTATUS status;
TRACE( "handle %p, code %#x, in_buffer %p, in_size %u, out_buffer %p, out_size %u\n",
handle, code, in_buffer, in_size, out_buffer, out_size );
switch (code)
{
case IOCTL_AFD_LISTEN:
{
const struct afd_listen_params *params = in_buffer;
TRACE( "backlog %u\n", params->backlog );
if (out_size) FIXME( "unexpected output size %u\n", out_size );
if (params->unknown1) FIXME( "listen: got unknown1 %#x\n", params->unknown1 );
if (params->unknown2) FIXME( "listen: got unknown2 %#x\n", params->unknown2 );
status = STATUS_BAD_DEVICE_TYPE;
break;
}
case IOCTL_AFD_RECV:
{
const struct afd_recv_params *params = in_buffer;
int unix_flags = 0;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
if (out_size) FIXME( "unexpected output size %u\n", out_size );
if (in_size < sizeof(struct afd_recv_params))
{
status = STATUS_INVALID_PARAMETER;
break;
}
if ((params->msg_flags & (AFD_MSG_NOT_OOB | AFD_MSG_OOB)) == 0 ||
(params->msg_flags & (AFD_MSG_NOT_OOB | AFD_MSG_OOB)) == (AFD_MSG_NOT_OOB | AFD_MSG_OOB))
{
status = STATUS_INVALID_PARAMETER;
break;
}
if (params->msg_flags & ~(AFD_MSG_NOT_OOB | AFD_MSG_OOB | AFD_MSG_PEEK | AFD_MSG_WAITALL))
FIXME( "unknown msg_flags %#x\n", params->msg_flags );
if (params->recv_flags & ~AFD_RECV_FORCE_ASYNC)
FIXME( "unknown recv_flags %#x\n", params->recv_flags );
if (params->msg_flags & AFD_MSG_OOB)
unix_flags |= MSG_OOB;
if (params->msg_flags & AFD_MSG_PEEK)
unix_flags |= MSG_PEEK;
if (params->msg_flags & AFD_MSG_WAITALL)
FIXME( "MSG_WAITALL is not supported\n" );
status = sock_recv( handle, event, apc, apc_user, io, fd, params->buffers, params->count, NULL,
NULL, NULL, NULL, unix_flags, !!(params->recv_flags & AFD_RECV_FORCE_ASYNC) );
break;
}
case IOCTL_AFD_WINE_RECVMSG:
{
struct afd_recvmsg_params *params = in_buffer;
int unix_flags = 0;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
if (in_size < sizeof(*params))
{
status = STATUS_BUFFER_TOO_SMALL;
break;
}
if (*params->ws_flags & WS_MSG_OOB)
unix_flags |= MSG_OOB;
if (*params->ws_flags & WS_MSG_PEEK)
unix_flags |= MSG_PEEK;
if (*params->ws_flags & WS_MSG_WAITALL)
FIXME( "MSG_WAITALL is not supported\n" );
status = sock_recv( handle, event, apc, apc_user, io, fd, params->buffers, params->count, params->control,
params->addr, params->addr_len, params->ws_flags, unix_flags, params->force_async );
break;
}
case IOCTL_AFD_WINE_SENDMSG:
{
const struct afd_sendmsg_params *params = in_buffer;
int unix_flags = 0;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
if (in_size < sizeof(*params))
{
status = STATUS_BUFFER_TOO_SMALL;
break;
}
if (params->ws_flags & WS_MSG_OOB)
unix_flags |= MSG_OOB;
if (params->ws_flags & WS_MSG_PARTIAL)
WARN( "ignoring MSG_PARTIAL\n" );
if (params->ws_flags & ~(WS_MSG_OOB | WS_MSG_PARTIAL))
FIXME( "unknown flags %#x\n", params->ws_flags );
status = sock_send( handle, event, apc, apc_user, io, fd, params->buffers, params->count,
params->addr, params->addr_len, unix_flags, params->force_async );
break;
}
case IOCTL_AFD_WINE_TRANSMIT:
{
const struct afd_transmit_params *params = in_buffer;
if ((status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return status;
if (in_size < sizeof(*params))
{
return STATUS_BUFFER_TOO_SMALL;
break;
}
status = sock_transmit( handle, event, apc, apc_user, io, fd, params );
break;
}
case IOCTL_AFD_POLL:
status = sock_poll( handle, event, apc, apc_user, io, in_buffer, in_size, out_buffer, out_size );
break;
default:
{
if ((code >> 16) == FILE_DEVICE_NETWORK)
{
/* Wine-internal ioctl */
status = STATUS_BAD_DEVICE_TYPE;
}
else
{
FIXME( "Unknown ioctl %#x (device %#x, access %#x, function %#x, method %#x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3 );
status = STATUS_INVALID_DEVICE_REQUEST;
}
break;
}
}
if (needs_close) close( fd );
return status;
}
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