/* send our task port to the server */
static void send_server_task_port(void)
{
mach_port_t bootstrap_port, wineserver_port;
kern_return_t kret;
struct {
mach_msg_header_t header;
mach_msg_body_t body;
mach_msg_port_descriptor_t task_port;
} msg;
if (task_get_bootstrap_port(mach_task_self(), &bootstrap_port) != KERN_SUCCESS) return;
kret = bootstrap_look_up(bootstrap_port, (char*)wine_get_server_dir(), &wineserver_port);
if (kret != KERN_SUCCESS)
fatal_error( "cannot find the server port: 0x%08x\n", kret );
mach_port_deallocate(mach_task_self(), bootstrap_port);
msg.header.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0) | MACH_MSGH_BITS_COMPLEX;
msg.header.msgh_size = sizeof(msg);
msg.header.msgh_remote_port = wineserver_port;
msg.header.msgh_local_port = MACH_PORT_NULL;
msg.body.msgh_descriptor_count = 1;
msg.task_port.name = mach_task_self();
msg.task_port.disposition = MACH_MSG_TYPE_COPY_SEND;
msg.task_port.type = MACH_MSG_PORT_DESCRIPTOR;
kret = mach_msg_send(&msg.header);
if (kret != KERN_SUCCESS)
server_protocol_error( "mach_msg_send failed: 0x%08x\n", kret );
mach_port_deallocate(mach_task_self(), wineserver_port);
}
/***********************************************************************
* send_request
*
* Send a request to the server.
*/
static unsigned int send_request( const struct __server_request_info *req )
{
unsigned int i;
int ret;
if (!req->u.req.request_header.request_size)
{
if ((ret = write( ntdll_get_thread_data()->request_fd, &req->u.req,
sizeof(req->u.req) )) == sizeof(req->u.req)) return STATUS_SUCCESS;
}
else
{
struct iovec vec[__SERVER_MAX_DATA+1];
vec[0].iov_base = (void *)&req->u.req;
vec[0].iov_len = sizeof(req->u.req);
for (i = 0; i < req->data_count; i++)
{
vec[i+1].iov_base = (void *)req->data[i].ptr;
vec[i+1].iov_len = req->data[i].size;
}
if ((ret = writev( ntdll_get_thread_data()->request_fd, vec, i+1 )) ==
req->u.req.request_header.request_size + sizeof(req->u.req)) return STATUS_SUCCESS;
}
if (ret >= 0) server_protocol_error( "partial write %d\n", ret );
if (errno == EPIPE) server_abort_thread(0);
if (errno == EFAULT) return STATUS_ACCESS_VIOLATION;
server_protocol_perror( "write" );
}
/***********************************************************************
* server_init_process
*
* Start the server and create the initial socket pair.
*/
void server_init_process(void)
{
obj_handle_t version;
const char *env_socket = getenv( "WINESERVERSOCKET" );
server_pid = -1;
if (env_socket)
{
fd_socket = atoi( env_socket );
if (fcntl( fd_socket, F_SETFD, 1 ) == -1)
fatal_perror( "Bad server socket %d", fd_socket );
unsetenv( "WINESERVERSOCKET" );
}
else fd_socket = server_connect();
/* setup the signal mask */
sigemptyset( &server_block_set );
sigaddset( &server_block_set, SIGALRM );
sigaddset( &server_block_set, SIGIO );
sigaddset( &server_block_set, SIGINT );
sigaddset( &server_block_set, SIGHUP );
sigaddset( &server_block_set, SIGUSR1 );
sigaddset( &server_block_set, SIGUSR2 );
sigaddset( &server_block_set, SIGCHLD );
pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
/* receive the first thread request fd on the main socket */
#ifdef SO_PASSCRED
if (server_pid == -1)
{
int enable = 1;
setsockopt( fd_socket, SOL_SOCKET, SO_PASSCRED, &enable, sizeof(enable) );
ntdll_get_thread_data()->request_fd = receive_fd( &version );
enable = 0;
setsockopt( fd_socket, SOL_SOCKET, SO_PASSCRED, &enable, sizeof(enable) );
}
else
#endif
ntdll_get_thread_data()->request_fd = receive_fd( &version );
if (version != SERVER_PROTOCOL_VERSION)
server_protocol_error( "version mismatch %d/%d.\n"
"Your %s binary was not upgraded correctly,\n"
"or you have an older one somewhere in your PATH.\n"
"Or maybe the wrong wineserver is still running?\n",
version, SERVER_PROTOCOL_VERSION,
(version > SERVER_PROTOCOL_VERSION) ? "wine" : "wineserver" );
#ifdef __APPLE__
send_server_task_port();
#endif
#if defined(__linux__) && defined(HAVE_PRCTL)
/* work around Ubuntu's ptrace breakage */
if (server_pid != -1) prctl( 0x59616d61 /* PR_SET_PTRACER */, server_pid );
#endif
}
/***********************************************************************
* server_init_thread
*
* Send an init thread request. Return 0 if OK.
*/
size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point )
{
int ret;
int reply_pipe[2];
struct sigaction sig_act;
size_t info_size;
sig_act.sa_handler = SIG_IGN;
sig_act.sa_flags = 0;
sigemptyset( &sig_act.sa_mask );
/* ignore SIGPIPE so that we get an EPIPE error instead */
sigaction( SIGPIPE, &sig_act, NULL );
/* automatic child reaping to avoid zombies */
#ifdef SA_NOCLDWAIT
sig_act.sa_flags |= SA_NOCLDWAIT;
#endif
sigaction( SIGCHLD, &sig_act, NULL );
/* create the server->client communication pipes */
if (pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
if (pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
wine_server_send_fd( reply_pipe[1] );
wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
ntdll_get_thread_data()->reply_fd = reply_pipe[0];
close( reply_pipe[1] );
/* set close on exec flag */
fcntl( ntdll_get_thread_data()->reply_fd, F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[0], F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[1], F_SETFD, 1 );
SERVER_START_REQ( init_thread )
{
req->unix_pid = unix_pid;
req->unix_tid = unix_tid;
req->teb = wine_server_client_ptr( NtCurrentTeb() );
req->peb = wine_server_client_ptr( NtCurrentTeb()->Peb );
req->entry = wine_server_client_ptr( entry_point );
req->reply_fd = reply_pipe[1];
req->wait_fd = ntdll_get_thread_data()->wait_fd[1];
req->debug_level = (TRACE_ON(server) != 0);
ret = wine_server_call( req );
NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
NtCurrentTeb()->ClientId.UniqueThread = ULongToHandle(reply->tid);
info_size = reply->info_size;
server_start_time = reply->server_start;
}
SERVER_END_REQ;
if (ret) server_protocol_error( "init_thread failed with status %x\n", ret );
return info_size;
}
/***********************************************************************
* wine_server_send_fd (NTDLL.@)
*
* Send a file descriptor to the server.
*
* PARAMS
* fd [I] file descriptor to send
*
* RETURNS
* nothing
*/
void CDECL wine_server_send_fd( int fd )
{
struct send_fd data;
struct msghdr msghdr;
struct iovec vec;
int ret;
#ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
msghdr.msg_accrights = (void *)&fd;
msghdr.msg_accrightslen = sizeof(fd);
#else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
char cmsg_buffer[256];
struct cmsghdr *cmsg;
msghdr.msg_control = cmsg_buffer;
msghdr.msg_controllen = sizeof(cmsg_buffer);
msghdr.msg_flags = 0;
cmsg = CMSG_FIRSTHDR( &msghdr );
cmsg->cmsg_len = CMSG_LEN( sizeof(fd) );
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
*(int *)CMSG_DATA(cmsg) = fd;
msghdr.msg_controllen = cmsg->cmsg_len;
#endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
msghdr.msg_name = NULL;
msghdr.msg_namelen = 0;
msghdr.msg_iov = &vec;
msghdr.msg_iovlen = 1;
vec.iov_base = (void *)&data;
vec.iov_len = sizeof(data);
data.tid = GetCurrentThreadId();
data.fd = fd;
for (;;)
{
if ((ret = sendmsg( fd_socket, &msghdr, 0 )) == sizeof(data)) return;
if (ret >= 0) server_protocol_error( "partial write %d\n", ret );
if (errno == EINTR) continue;
if (errno == EPIPE) abort_thread(0);
server_protocol_perror( "sendmsg" );
}
}
/***********************************************************************
* wine_server_send_fd (NTDLL.@)
*
* Send a file descriptor to the server.
*
* PARAMS
* fd [I] file descriptor to send
*
* RETURNS
* nothing
*/
void CDECL wine_server_send_fd( int fd )
{
#ifndef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
struct cmsg_fd cmsg;
#endif
struct send_fd data;
struct msghdr msghdr;
struct iovec vec;
int ret;
vec.iov_base = (void *)&data;
vec.iov_len = sizeof(data);
msghdr.msg_name = NULL;
msghdr.msg_namelen = 0;
msghdr.msg_iov = &vec;
msghdr.msg_iovlen = 1;
#ifdef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS
msghdr.msg_accrights = (void *)&fd;
msghdr.msg_accrightslen = sizeof(fd);
#else /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
cmsg.header.len = sizeof(cmsg.header) + sizeof(fd);
cmsg.header.level = SOL_SOCKET;
cmsg.header.type = SCM_RIGHTS;
cmsg.fd = fd;
msghdr.msg_control = &cmsg;
msghdr.msg_controllen = sizeof(cmsg.header) + sizeof(fd);
msghdr.msg_flags = 0;
#endif /* HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS */
data.tid = GetCurrentThreadId();
data.fd = fd;
for (;;)
{
if ((ret = sendmsg( fd_socket, &msghdr, 0 )) == sizeof(data)) return;
if (ret >= 0) server_protocol_error( "partial write %d\n", ret );
if (errno == EINTR) continue;
if (errno == EPIPE) server_abort_thread(0);
server_protocol_perror( "sendmsg" );
}
}
/***********************************************************************
* server_init_process
*
* Start the server and create the initial socket pair.
*/
void server_init_process(void)
{
obj_handle_t version;
const char *env_socket = getenv( "WINESERVERSOCKET" );
if (env_socket)
{
fd_socket = atoi( env_socket );
if (fcntl( fd_socket, F_SETFD, 1 ) == -1)
fatal_perror( "Bad server socket %d", fd_socket );
unsetenv( "WINESERVERSOCKET" );
}
else fd_socket = server_connect();
/* setup the signal mask */
sigemptyset( &server_block_set );
sigaddset( &server_block_set, SIGALRM );
sigaddset( &server_block_set, SIGIO );
sigaddset( &server_block_set, SIGINT );
sigaddset( &server_block_set, SIGHUP );
sigaddset( &server_block_set, SIGUSR1 );
sigaddset( &server_block_set, SIGUSR2 );
sigaddset( &server_block_set, SIGCHLD );
pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, NULL );
/* receive the first thread request fd on the main socket */
ntdll_get_thread_data()->request_fd = receive_fd( &version );
if (version != SERVER_PROTOCOL_VERSION)
server_protocol_error( "version mismatch %d/%d.\n"
"Your %s binary was not upgraded correctly,\n"
"or you have an older one somewhere in your PATH.\n"
"Or maybe the wrong wineserver is still running?\n",
version, SERVER_PROTOCOL_VERSION,
(version > SERVER_PROTOCOL_VERSION) ? "wine" : "wineserver" );
#ifdef __APPLE__
send_server_task_port();
#endif
}
/***********************************************************************
* server_init_thread
*
* Send an init thread request. Return 0 if OK.
*/
size_t server_init_thread( void *entry_point )
{
static const int is_win64 = (sizeof(void *) > sizeof(int));
const char *arch = getenv( "WINEARCH" );
int ret;
int reply_pipe[2];
struct sigaction sig_act;
size_t info_size;
sig_act.sa_handler = SIG_IGN;
sig_act.sa_flags = 0;
sigemptyset( &sig_act.sa_mask );
/* ignore SIGPIPE so that we get an EPIPE error instead */
sigaction( SIGPIPE, &sig_act, NULL );
/* create the server->client communication pipes */
if (server_pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
if (server_pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
wine_server_send_fd( reply_pipe[1] );
wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
ntdll_get_thread_data()->reply_fd = reply_pipe[0];
close( reply_pipe[1] );
SERVER_START_REQ( init_thread )
{
req->unix_pid = getpid();
req->unix_tid = get_unix_tid();
req->teb = wine_server_client_ptr( NtCurrentTeb() );
req->entry = wine_server_client_ptr( entry_point );
req->reply_fd = reply_pipe[1];
req->wait_fd = ntdll_get_thread_data()->wait_fd[1];
req->debug_level = (TRACE_ON(server) != 0);
req->cpu = client_cpu;
ret = wine_server_call( req );
NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
NtCurrentTeb()->ClientId.UniqueThread = ULongToHandle(reply->tid);
info_size = reply->info_size;
server_start_time = reply->server_start;
server_cpus = reply->all_cpus;
}
SERVER_END_REQ;
is_wow64 = !is_win64 && (server_cpus & (1 << CPU_x86_64)) != 0;
ntdll_get_thread_data()->wow64_redir = is_wow64;
switch (ret)
{
case STATUS_SUCCESS:
if (arch)
{
if (!strcmp( arch, "win32" ) && (is_win64 || is_wow64))
fatal_error( "WINEARCH set to win32 but '%s' is a 64-bit installation.\n",
wine_get_config_dir() );
if (!strcmp( arch, "win64" ) && !is_win64 && !is_wow64)
fatal_error( "WINEARCH set to win64 but '%s' is a 32-bit installation.\n",
wine_get_config_dir() );
}
return info_size;
case STATUS_NOT_REGISTRY_FILE:
fatal_error( "'%s' is a 32-bit installation, it cannot support 64-bit applications.\n",
wine_get_config_dir() );
case STATUS_NOT_SUPPORTED:
if (is_win64)
fatal_error( "wineserver is 32-bit, it cannot support 64-bit applications.\n" );
else
fatal_error( "'%s' is a 64-bit installation, it cannot be used with a 32-bit wineserver.\n",
wine_get_config_dir() );
default:
server_protocol_error( "init_thread failed with status %x\n", ret );
}
}
/***********************************************************************
* server_init_thread
*
* Send an init thread request. Return 0 if OK.
*/
size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point )
{
int version, ret;
int reply_pipe[2];
struct sigaction sig_act;
size_t info_size;
sig_act.sa_handler = SIG_IGN;
sig_act.sa_flags = 0;
sigemptyset( &sig_act.sa_mask );
/* ignore SIGPIPE so that we get an EPIPE error instead */
sigaction( SIGPIPE, &sig_act, NULL );
/* automatic child reaping to avoid zombies */
#ifdef SA_NOCLDWAIT
sig_act.sa_flags |= SA_NOCLDWAIT;
#endif
sigaction( SIGCHLD, &sig_act, NULL );
/* create the server->client communication pipes */
if (pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
if (pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
wine_server_send_fd( reply_pipe[1] );
wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
ntdll_get_thread_data()->reply_fd = reply_pipe[0];
close( reply_pipe[1] );
/* set close on exec flag */
fcntl( ntdll_get_thread_data()->reply_fd, F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[0], F_SETFD, 1 );
fcntl( ntdll_get_thread_data()->wait_fd[1], F_SETFD, 1 );
SERVER_START_REQ( init_thread )
{
req->unix_pid = unix_pid;
req->unix_tid = unix_tid;
req->teb = NtCurrentTeb();
req->peb = NtCurrentTeb()->Peb;
req->entry = entry_point;
req->ldt_copy = &wine_ldt_copy;
req->reply_fd = reply_pipe[1];
req->wait_fd = ntdll_get_thread_data()->wait_fd[1];
req->debug_level = (TRACE_ON(server) != 0);
ret = wine_server_call( req );
NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
NtCurrentTeb()->ClientId.UniqueThread = ULongToHandle(reply->tid);
info_size = reply->info_size;
version = reply->version;
server_start_time = reply->server_start;
}
SERVER_END_REQ;
if (ret) server_protocol_error( "init_thread failed with status %x\n", ret );
if (version != SERVER_PROTOCOL_VERSION)
server_protocol_error( "version mismatch %d/%d.\n"
"Your %s binary was not upgraded correctly,\n"
"or you have an older one somewhere in your PATH.\n"
"Or maybe the wrong wineserver is still running?\n",
version, SERVER_PROTOCOL_VERSION,
(version > SERVER_PROTOCOL_VERSION) ? "wine" : "wineserver" );
return info_size;
}
