Follow-up of !2786, which appears to have been abandoned.
-- v3: ws2_32/tests: Add test for AF_UNIX sockets. server: Fix getsockname() and accept() on AF_UNIX sockets. server: Introduce error when attempting to create a SOCK_DGRAM AF_UNIX socket. server: Allow for deletion of socket files. ws2_32: Add support for AF_UNIX sockets.
From: Ally Sommers dropbear.sh@gmail.com
This header is needed for support of AF_UNIX sockets. --- include/Makefile.in | 1 + include/afunix.h | 38 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 include/afunix.h
diff --git a/include/Makefile.in b/include/Makefile.in index 2dd230423ef..37847cad353 100644 --- a/include/Makefile.in +++ b/include/Makefile.in @@ -12,6 +12,7 @@ SOURCES = \ adshlp.h \ advpub.h \ af_irda.h \ + afunix.h \ amaudio.h \ amsi.idl \ amstream.idl \ diff --git a/include/afunix.h b/include/afunix.h new file mode 100644 index 00000000000..8118dda271b --- /dev/null +++ b/include/afunix.h @@ -0,0 +1,38 @@ +/* + * Copyright 2023 Ally Sommers + * + * 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 + */ + +#ifndef _WS2AFUNIX_ +#define _WS2AFUNIX_ + +#include "windef.h" +#include "ws2def.h" + +#ifdef USE_WS_PREFIX +# define WS(x) WS_##x +#else +# define WS(x) x +#endif + +#define UNIX_PATH_MAX 108 + +typedef struct WS(sockaddr_un) { + USHORT sun_family; + char sun_path[UNIX_PATH_MAX]; +} SOCKADDR_UN, *PSOCKADDR_UN; + +#endif /* _WS2AFUNIX_ */ \ No newline at end of file
From: Ally Sommers dropbear.sh@gmail.com
This commit additionally modifies wineserver's sock_ioctl to handle the provided pathname by changing directories and then returning after the native call. This is NOT threadsafe, but wineserver is not multithreaded. --- dlls/ntdll/unix/socket.c | 4 + dlls/ws2_32/socket.c | 84 +++++++++++++++++-- dlls/ws2_32/ws2_32_private.h | 13 +++ server/sock.c | 152 ++++++++++++++++++++++++++++++++--- 4 files changed, 239 insertions(+), 14 deletions(-)
diff --git a/dlls/ntdll/unix/socket.c b/dlls/ntdll/unix/socket.c index a02194f843f..a0c5969c82f 100644 --- a/dlls/ntdll/unix/socket.c +++ b/dlls/ntdll/unix/socket.c @@ -67,6 +67,8 @@ # define HAS_IRDA #endif
+#include <sys/un.h> + #include "ntstatus.h" #define WIN32_NO_STATUS #include "windef.h" @@ -78,6 +80,7 @@ #include "ws2tcpip.h" #include "wsipx.h" #include "af_irda.h" +#include "afunix.h" #include "wine/afd.h"
#include "unix_private.h" @@ -106,6 +109,7 @@ union unix_sockaddr #ifdef HAS_IRDA struct sockaddr_irda irda; #endif + struct sockaddr_un un; };
struct async_recv_ioctl diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c index 3a412b00c1e..2763fcf7e06 100644 --- a/dlls/ws2_32/socket.c +++ b/dlls/ws2_32/socket.c @@ -182,6 +182,19 @@ static const WSAPROTOCOL_INFOW supported_protocols[] = .iProtocol = BTHPROTO_RFCOMM, .szProtocol = L"MSAFD RfComm [Bluetooth]", }, + { + .dwServiceFlags1 = XP1_GUARANTEED_DELIVERY | XP1_GUARANTEED_ORDER | XP1_IFS_HANDLES, + .dwProviderFlags = PFL_MATCHES_PROTOCOL_ZERO, + .ProviderId = {0xa00943d9, 0x9c2e, 0x4633, {0x9b, 0x59, 0x00, 0x57, 0xa3, 0x16, 0x09, 0x94}}, + .dwCatalogEntryId = 1007, + .ProtocolChain.ChainLen = 1, + .iVersion = 2, + .iAddressFamily = AF_UNIX, + .iMaxSockAddr = sizeof(struct sockaddr_un), + .iMinSockAddr = offsetof(struct sockaddr_un, sun_path), + .iSocketType = SOCK_STREAM, + .szProtocol = L"AF_UNIX", + }, };
DECLARE_CRITICAL_SECTION(cs_socket_list); @@ -252,6 +265,11 @@ const char *debugstr_sockaddr( const struct sockaddr *a ) bth_addr.rgBytes[1], bth_addr.rgBytes[0], wine_dbgstr_guid( &addr->serviceClassId ), addr->port ); } + case AF_UNIX: + { + return wine_dbg_sprintf("{ family AF_UNIX, path %s }", + ((const SOCKADDR_UN *)a)->sun_path); + } default: return wine_dbg_sprintf("{ family %d }", a->sa_family); } @@ -1132,6 +1150,10 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len ) HANDLE sync_event; NTSTATUS status;
+ const int bind_len = len; + char *unix_path = NULL; + int unix_varargs_size = 0; + TRACE( "socket %#Ix, addr %s\n", s, debugstr_sockaddr(addr) );
if (!addr) @@ -1180,6 +1202,15 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len ) return -1; } break; + + case AF_UNIX: + if (len < offsetof(struct sockaddr_un, sun_path)) + { + SetLastError( WSAEFAULT ); + return -1; + } + break; + default: FIXME( "unknown protocol %u\n", addr->sa_family ); SetLastError( WSAEAFNOSUPPORT ); @@ -1188,7 +1219,29 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len )
if (!(sync_event = get_sync_event())) return -1;
- params = malloc( sizeof(int) + len ); + if (addr->sa_family == AF_UNIX && *addr->sa_data) + { + struct sockaddr_un sun = { 0 }; + WCHAR *sun_pathW; + memcpy(&sun, addr, len); + if (strlen( sun.sun_path )) + { + sun_pathW = strdupAtoW( sun.sun_path ); + unix_path = wine_get_unix_file_name( sun_pathW ); + free( sun_pathW ); + if (!unix_path) + return SOCKET_ERROR; + } + else + { + unix_path = malloc(1); + *unix_path = '\0'; + } + len = sizeof(sun); + unix_varargs_size = strlen( unix_path ); + } + + params = malloc( sizeof(int) + len + unix_varargs_size ); ret_addr = malloc( len ); if (!params || !ret_addr) { @@ -1198,10 +1251,14 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len ) return -1; } params->unknown = 0; - memcpy( ¶ms->addr, addr, len ); + if (addr->sa_family == AF_UNIX) + memset( ¶ms->addr, 0, len ); + memcpy( ¶ms->addr, addr, bind_len ); + if (unix_path) + memcpy( (char *)¶ms->addr + len, unix_path, unix_varargs_size );
status = NtDeviceIoControlFile( (HANDLE)s, sync_event, NULL, NULL, &io, IOCTL_AFD_BIND, - params, sizeof(int) + len, ret_addr, len ); + params, sizeof(int) + len + unix_varargs_size, ret_addr, len ); if (status == STATUS_PENDING) { if (WaitForSingleObject( sync_event, INFINITE ) == WAIT_FAILED) @@ -1214,6 +1271,7 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len )
free( params ); free( ret_addr ); + free( unix_path );
SetLastError( NtStatusToWSAError( status ) ); return status ? -1 : 0; @@ -1254,11 +1312,24 @@ int WINAPI connect( SOCKET s, const struct sockaddr *addr, int len ) HANDLE sync_event; NTSTATUS status;
+ char *unix_path = NULL; + int unix_varargs_size = 0; + TRACE( "socket %#Ix, addr %s, len %d\n", s, debugstr_sockaddr(addr), len );
if (!(sync_event = get_sync_event())) return -1;
- if (!(params = malloc( sizeof(*params) + len ))) + if (addr->sa_family == AF_UNIX && *addr->sa_data) + { + WCHAR *sun_pathW = strdupAtoW(addr->sa_data); + unix_path = wine_get_unix_file_name(sun_pathW); + free(sun_pathW); + if (!unix_path) + return SOCKET_ERROR; + unix_varargs_size = strlen(unix_path); + } + + if (!(params = malloc( sizeof(*params) + len + unix_varargs_size ))) { SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return -1; @@ -1266,10 +1337,13 @@ int WINAPI connect( SOCKET s, const struct sockaddr *addr, int len ) params->addr_len = len; params->synchronous = TRUE; memcpy( params + 1, addr, len ); + if (unix_path) + memcpy( (char *)(params + 1) + len, unix_path, unix_varargs_size );
status = NtDeviceIoControlFile( (HANDLE)s, sync_event, NULL, NULL, &io, IOCTL_AFD_WINE_CONNECT, - params, sizeof(*params) + len, NULL, 0 ); + params, sizeof(*params) + len + unix_varargs_size, NULL, 0 ); free( params ); + free( unix_path ); if (status == STATUS_PENDING) { if (wait_event_alertable( sync_event ) == WAIT_FAILED) return -1; diff --git a/dlls/ws2_32/ws2_32_private.h b/dlls/ws2_32/ws2_32_private.h index 9a4d0794151..af99716efa7 100644 --- a/dlls/ws2_32/ws2_32_private.h +++ b/dlls/ws2_32/ws2_32_private.h @@ -47,6 +47,7 @@ #include "mstcpip.h" #include "af_irda.h" #include "winnt.h" +#include "afunix.h" #define USE_WC_PREFIX /* For CMSG_DATA */ #include "iphlpapi.h" #include "ip2string.h" @@ -74,6 +75,18 @@ static inline char *strdupWtoA( const WCHAR *str ) return ret; }
+static inline WCHAR *strdupAtoW( const char *str ) +{ + WCHAR *ret = NULL; + if (str) + { + DWORD len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0); + if ((ret = malloc( len * sizeof(WCHAR) ))) + MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len); + } + return ret; +} + static const char magic_loopback_addr[] = {127, 12, 34, 56};
const char *debugstr_sockaddr( const struct sockaddr *addr ); diff --git a/server/sock.c b/server/sock.c index e064f867ff4..b22621ec92e 100644 --- a/server/sock.c +++ b/server/sock.c @@ -95,6 +95,8 @@ # endif #endif
+#include <sys/un.h> + #include "ntstatus.h" #define WIN32_NO_STATUS #include "windef.h" @@ -106,6 +108,7 @@ #include "tcpmib.h" #include "wsipx.h" #include "af_irda.h" +#include "afunix.h" #include "bthsdpdef.h" #include "bluetoothapis.h" #include "bthdef.h" @@ -147,6 +150,7 @@ union win_sockaddr struct WS_sockaddr_in6 in6; struct WS_sockaddr_ipx ipx; SOCKADDR_IRDA irda; + struct WS_sockaddr_un un; };
union unix_sockaddr @@ -163,6 +167,7 @@ union unix_sockaddr #ifdef HAS_BLUETOOTH struct sockaddr_rc rfcomm; #endif + struct sockaddr_un un; };
static struct list poll_list = LIST_INIT( poll_list ); @@ -743,6 +748,9 @@ static socklen_t get_unix_sockaddr_any( union unix_sockaddr *uaddr, int ws_famil uaddr->irda.sir_family = AF_IRDA; return sizeof(uaddr->irda); #endif + case WS_AF_UNIX: + uaddr->un.sun_family = AF_UNIX; + return sizeof(uaddr->un); default: return 0; } @@ -1846,6 +1854,7 @@ static int get_unix_family( int family ) #ifdef AF_BLUETOOTH case WS_AF_BTH: return AF_BLUETOOTH; #endif + case WS_AF_UNIX: return AF_UNIX; case WS_AF_UNSPEC: return AF_UNSPEC; default: return -1; } @@ -2655,8 +2664,13 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
if (listen( unix_fd, params->backlog ) < 0) { - set_error( sock_get_ntstatus( errno ) ); - return; + /* Due to the way we handle the Windows AF_UNIX bind edge case, we also need to + * ignore listen's error. */ + if (!(errno == EINVAL && sock->family == WS_AF_UNIX && !*sock->addr.un.sun_path)) + { + set_error( sock_get_ntstatus( errno ) ); + return; + } }
sock->state = SOCK_LISTENING; @@ -2726,7 +2740,55 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) break; }
- unix_len = sockaddr_to_unix( addr, params->addr_len, &unix_addr ); + if (sock->family == WS_AF_UNIX) + { + if (*addr->sa_data) + { + int unix_path_len = get_req_data_size() - sizeof(*params) - params->addr_len; + char *unix_path; + char *base_name; + + if (!(unix_path = mem_alloc( unix_path_len + 1 ))) + return; + + memcpy( unix_path, (char *)(params + 1) + params->addr_len, unix_path_len ); + unix_path[unix_path_len] = '\0'; + + base_name = strrchr(unix_path, '/'); + if (base_name) + { + if (base_name != unix_path) + (++base_name)[-1] = '\0'; + } + else + base_name = unix_path; + + if (chdir( unix_path ) == -1) + { + set_error( sock_get_ntstatus( errno ) ); + free( unix_path ); + return; + } + + send_len -= unix_path_len; + unix_len = sizeof(unix_addr.un); + memset( &unix_addr.un, 0, sizeof(unix_addr.un) ); + unix_addr.un.sun_family = AF_UNIX; + memcpy( unix_addr.un.sun_path, base_name, strlen( base_name ) ); + free( unix_path ); + } + else + { + /* Contrary to documentation, Windows does not currently support abstract Unix + * sockets. connect() throws WSAEINVAL if sun_family is AF_UNIX and sun_path + * begins with '\0', even though bind() will succeed. */ + set_win32_error( WSAEINVAL ); + return; + } + } + else + unix_len = sockaddr_to_unix( addr, params->addr_len, &unix_addr ); + if (!unix_len) { set_error( STATUS_INVALID_ADDRESS ); @@ -2773,6 +2835,9 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) return; }
+ if (sock->family == WS_AF_UNIX && *addr->sa_data) + fchdir(server_dir_fd); + /* a connected or connecting socket can no longer be accepted into */ allow_fd_caching( sock->fd );
@@ -3022,6 +3087,7 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) data_size_t in_size; socklen_t unix_len; int v6only = 1; + int unix_path_len = 0;
/* the ioctl is METHOD_NEITHER, so ntdll gives us the output buffer as * input */ @@ -3031,8 +3097,10 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) return; } in_size = get_req_data_size() - get_reply_max_size(); + if (params->addr.sa_family == WS_AF_UNIX) + unix_path_len = in_size - sizeof(params->unknown) - sizeof(struct WS_sockaddr_un); if (in_size < offsetof(struct afd_bind_params, addr.sa_data) - || get_reply_max_size() < in_size - sizeof(int)) + || get_reply_max_size() < in_size - sizeof(int) - unix_path_len) { set_error( STATUS_INVALID_PARAMETER ); return; @@ -3044,7 +3112,47 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) return; }
- unix_len = sockaddr_to_unix( ¶ms->addr, in_size - sizeof(int), &unix_addr ); + if (sock->family == WS_AF_UNIX) + { + if (*params->addr.sa_data) + { + char *unix_path; + char *base_name; + + if (!(unix_path = mem_alloc( unix_path_len + 1 ))) + return; + + memcpy( unix_path, (char *)(¶ms->addr) + sizeof(struct WS_sockaddr_un), unix_path_len ); + unix_path[unix_path_len] = '\0'; + + base_name = strrchr(unix_path, '/'); + if (base_name) + { + if (base_name != unix_path) + (++base_name)[-1] = '\0'; + } + else + base_name = unix_path; + + if (chdir( unix_path ) == -1) + { + free( unix_path ); + set_error( sock_get_ntstatus( errno ) ); + return; + } + + memset( &unix_addr.un, 0, sizeof(unix_addr.un) ); + memcpy( unix_addr.un.sun_path, base_name, strlen( base_name ) ); + free( unix_path ); + } + else + memset(unix_addr.un.sun_path, 0, sizeof(unix_addr.un.sun_path)); + unix_addr.un.sun_family = AF_UNIX; + unix_len = sizeof(unix_addr.un); + } + else + unix_len = sockaddr_to_unix( ¶ms->addr, in_size - sizeof(int), &unix_addr ); + if (!unix_len) { set_error( STATUS_INVALID_ADDRESS ); @@ -3122,8 +3230,16 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) if (errno == EADDRINUSE && sock->reuseaddr) errno = EACCES;
- set_error( sock_get_ntstatus( errno ) ); - return; + /* Windows' AF_UNIX implementation has an edge case allowing for a socket to bind to + * an empty path. Linux doesn't, so it throws EINVAL. We check for this situation + * here and avoid early-exiting if it's the case. */ + if (!(errno == EINVAL && sock->family == WS_AF_UNIX && !*params->addr.sa_data)) + { + set_error( sock_get_ntstatus( errno ) ); + if (sock->family == WS_AF_UNIX && *params->addr.sa_data) + fchdir(server_dir_fd); + return; + } }
sock->bound = 1; @@ -3135,13 +3251,23 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) * actual unix address */ if (bind_addr.addr.sa_family == AF_INET) bind_addr.in.sin_addr = unix_addr.in.sin_addr; - sock->addr_len = sockaddr_from_unix( &bind_addr, &sock->addr.addr, sizeof(sock->addr) ); + if (bind_addr.addr.sa_family == AF_UNIX) + { + sock->addr.un.sun_family = WS_AF_UNIX; + memcpy(sock->addr.un.sun_path, params->addr.sa_data, sizeof(sock->addr.un.sun_path)); + sock->addr_len = sizeof(sock->addr.un); + } + else + sock->addr_len = sockaddr_from_unix( &bind_addr, &sock->addr.addr, sizeof(sock->addr) ); }
update_addr_usage( sock, &bind_addr, v6only );
if (get_reply_max_size() >= sock->addr_len) set_reply_data( &sock->addr, sock->addr_len ); + + if (sock->family == WS_AF_UNIX && *params->addr.sa_data) + fchdir(server_dir_fd); return; }
@@ -3158,7 +3284,15 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) return; }
- set_reply_data( &sock->addr, sock->addr_len ); + if (sock->family == WS_AF_UNIX) + { + if (*sock->addr.un.sun_path) + set_reply_data( &sock->addr, sizeof(sock->addr.un.sun_family) + strlen(sock->addr.un.sun_path) + 1 ); + else + set_reply_data( &sock->addr, sizeof(sock->addr.un) ); + } + else + set_reply_data( &sock->addr, sock->addr_len ); return;
case IOCTL_AFD_WINE_GETPEERNAME:
From: Ally Sommers dropbear.sh@gmail.com
Deleting the socket file is a common pattern with AF_UNIX sockets, and is analogous to unbinding. --- server/fd.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/server/fd.c b/server/fd.c index bb0e90d99d0..e844441f55b 100644 --- a/server/fd.c +++ b/server/fd.c @@ -1951,6 +1951,19 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam fd->unix_fd = open( name, O_RDONLY | (flags & ~(O_TRUNC | O_CREAT | O_EXCL)), *mode ); }
+ /* POSIX requires that open(2) throws EOPNOTSUPP when `path` is a Unix + * socket. *BSD throws EOPNOTSUPP in this case and the additional case of + * O_SHLOCK or O_EXLOCK being passed when `path` resides on a filesystem + * without lock support. + * + * Contrary to POSIX, Linux returns ENXIO in this case, so we also check + * that error code here. */ + if (errno == EOPNOTSUPP || errno == ENXIO) + { + if (!stat(name, &st) && S_ISSOCK(st.st_mode) && (options & FILE_DELETE_ON_CLOSE)) + goto skip_open_fail; + } + if (fd->unix_fd == -1) { /* check for trailing slash on file path */ @@ -1962,13 +1975,24 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam } }
+skip_open_fail: fd->nt_name = dup_nt_name( root, nt_name, &fd->nt_namelen ); fd->unix_name = NULL; - fstat( fd->unix_fd, &st ); + if ((path = dup_fd_name( root, name ))) + { + fd->unix_name = realpath( path, NULL ); + free( path ); + } + + closed_fd->unix_fd = fd->unix_fd; + closed_fd->disp_flags = 0; + closed_fd->unix_name = fd->unix_name; + if (fd->unix_fd != -1) + fstat( fd->unix_fd, &st ); *mode = st.st_mode;
- /* only bother with an inode for normal files and directories */ - if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) + /* only bother with an inode for normal files, directories, and socket files */ + if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISSOCK(st.st_mode)) { unsigned int err; struct inode *inode = get_inode( st.st_dev, st.st_ino, fd->unix_fd );
From: Ally Sommers dropbear.sh@gmail.com
--- server/sock.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/server/sock.c b/server/sock.c index b22621ec92e..d1433e862d9 100644 --- a/server/sock.c +++ b/server/sock.c @@ -1954,6 +1954,12 @@ static int init_socket( struct sock *sock, int family, int type, int protocol ) return -1; }
+ if (unix_family == AF_UNIX && unix_type == SOCK_DGRAM) + { + set_win32_error(WSAEAFNOSUPPORT); + return -1; + } + sockfd = socket( unix_family, unix_type, unix_protocol );
#ifdef linux
From: Ally Sommers dropbear.sh@gmail.com
--- server/sock.c | 72 ++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 60 insertions(+), 12 deletions(-)
diff --git a/server/sock.c b/server/sock.c index d1433e862d9..0bf82370961 100644 --- a/server/sock.c +++ b/server/sock.c @@ -2144,11 +2144,32 @@ static struct sock *accept_socket( struct sock *sock ) unix_len = sizeof(unix_addr); if (!getsockname( acceptfd, &unix_addr.addr, &unix_len )) { - acceptsock->addr_len = sockaddr_from_unix( &unix_addr, &acceptsock->addr.addr, sizeof(acceptsock->addr) ); + if (sock->family == WS_AF_UNIX) + { + acceptsock->addr_len = sock->addr_len; + acceptsock->addr.un = sock->addr.un; + } + else + { + acceptsock->addr_len = sockaddr_from_unix( &unix_addr, + &acceptsock->addr.addr, + sizeof(acceptsock->addr) ); + } + if (!getpeername( acceptfd, &unix_addr.addr, &unix_len )) - acceptsock->peer_addr_len = sockaddr_from_unix( &unix_addr, - &acceptsock->peer_addr.addr, - sizeof(acceptsock->peer_addr) ); + { + if (sock->family == WS_AF_UNIX) + { + acceptsock->peer_addr_len = sizeof( sock->peer_addr.un ); + acceptsock->peer_addr.un = sock->peer_addr.un; + } + else + { + acceptsock->peer_addr_len = sockaddr_from_unix( &unix_addr, + &acceptsock->peer_addr.addr, + sizeof(acceptsock->peer_addr) ); + } + } } }
@@ -2208,11 +2229,31 @@ static int accept_into_socket( struct sock *sock, struct sock *acceptsock ) unix_len = sizeof(unix_addr); if (!getsockname( get_unix_fd( newfd ), &unix_addr.addr, &unix_len )) { - acceptsock->addr_len = sockaddr_from_unix( &unix_addr, &acceptsock->addr.addr, sizeof(acceptsock->addr) ); + if (sock->family == WS_AF_UNIX) + { + acceptsock->addr_len = sock->addr_len; + acceptsock->addr.un = sock->addr.un; + } + else + { + acceptsock->addr_len = sockaddr_from_unix( &unix_addr, + &acceptsock->addr.addr, + sizeof(acceptsock->addr) ); + } if (!getpeername( get_unix_fd( newfd ), &unix_addr.addr, &unix_len )) - acceptsock->peer_addr_len = sockaddr_from_unix( &unix_addr, - &acceptsock->peer_addr.addr, - sizeof(acceptsock->peer_addr) ); + { + if (sock->family == WS_AF_UNIX) + { + acceptsock->peer_addr_len = sizeof( sock->peer_addr.un ); + acceptsock->peer_addr.un = sock->peer_addr.un; + } + else + { + acceptsock->peer_addr_len = sockaddr_from_unix( &unix_addr, + &acceptsock->peer_addr.addr, + sizeof(acceptsock->peer_addr) ); + } + } }
clear_error(); @@ -2848,10 +2889,17 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async ) allow_fd_caching( sock->fd );
unix_len = sizeof(unix_addr); - getsockname( unix_fd, &unix_addr.addr, &unix_len ); - sock->addr_len = sockaddr_from_unix( &unix_addr, &sock->addr.addr, sizeof(sock->addr) ); - sock->peer_addr_len = sockaddr_from_unix( &peer_addr, &sock->peer_addr.addr, sizeof(sock->peer_addr)); - + if (sock->family == WS_AF_UNIX) + { + sock->peer_addr.un = *(struct WS_sockaddr_un *)addr; + sock->peer_addr_len = sizeof(struct WS_sockaddr_un); + } + else + { + getsockname( unix_fd, &unix_addr.addr, &unix_len ); + sock->addr_len = sockaddr_from_unix( &unix_addr, &sock->addr.addr, sizeof(sock->addr) ); + sock->peer_addr_len = sockaddr_from_unix( &peer_addr, &sock->peer_addr.addr, sizeof(sock->peer_addr)); + } sock->bound = 1;
if (!ret)
From: Ally Sommers dropbear.sh@gmail.com
--- dlls/ws2_32/tests/sock.c | 292 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 292 insertions(+)
diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c index 38cb9eafc6c..96b4e01c98e 100644 --- a/dlls/ws2_32/tests/sock.c +++ b/dlls/ws2_32/tests/sock.c @@ -29,6 +29,7 @@ #include <iphlpapi.h> #include <ws2tcpip.h> #include <wsipx.h> +#include <afunix.h> #include <wsnwlink.h> #include <mswsock.h> #include <mstcpip.h> @@ -14462,6 +14463,296 @@ static void test_send_buffering(void) closesocket(client); }
+static void test_afunix(void) +{ + SOCKET listener, client, server = 0; + SOCKADDR_UN addr = { AF_UNIX, "test_afunix.sock" }; + char serverBuf[] = "ws2_32/AF_UNIX socket test"; + char clientBuf[sizeof(serverBuf)] = { 0 }; + + char paths[4][sizeof(addr.sun_path)] = { "./tmp.sock", "../tmp.sock" }; + char dosPath[sizeof(addr.sun_path)]; + WCHAR dosWidePath[sizeof(addr.sun_path)]; + UNICODE_STRING ntPath = { 0 }; + SOCKADDR_UN outAddr = { 0 }; + int outAddrSize = sizeof(outAddr); + SOCKADDR_UN truncatedAddr = { 0 }; + ULONG zero = 0; + ULONG one = 1; + int ret; + + /* Test connection and send/recv */ + listener = socket(AF_UNIX, SOCK_STREAM, 0); + if (listener == INVALID_SOCKET && GetLastError() == WSAEAFNOSUPPORT) + { + win_skip("AF_UNIX sockets are unsupported, skipping...\n"); + return; + } + + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + + ret = bind(listener, (SOCKADDR *)&addr, 0); + ok(ret && GetLastError() == WSAEFAULT, "Incorrect error: %lu\n", GetLastError()); + ret = bind(listener, (SOCKADDR *)&addr, 2); + ok(!ret, "Could not bind Unix socket: %lu\n", GetLastError()); + ret = listen(listener, 1); + ok(!ret, "Could not listen on Unix socket: %lu\n", GetLastError()); + closesocket(listener); + + listener = socket(AF_UNIX, SOCK_STREAM, 0); + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + ret = bind(listener, (SOCKADDR *)&addr, 3); + ok(!ret, "Could not bind Unix socket: %lu\n", GetLastError()); + + memcpy(&truncatedAddr, &addr, 3); + ret = getsockname(listener, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp(truncatedAddr.sun_path, outAddr.sun_path, sizeof(addr.sun_path)), + "getsockname returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + truncatedAddr.sun_path); + ok(outAddrSize == sizeof(outAddr.sun_family) + strlen(outAddr.sun_path) + 1, + "getsockname returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + truncatedAddr.sun_path); + closesocket(listener); + ret = DeleteFileA(truncatedAddr.sun_path); + ok(ret, "DeleteFileA on socket file failed: %lu\n", GetLastError()); + ok(GetFileAttributesA(truncatedAddr.sun_path) == INVALID_FILE_ATTRIBUTES && + GetLastError() == ERROR_FILE_NOT_FOUND, + "Failed to delete socket file at path '%s'\n", + truncatedAddr.sun_path); + + listener = socket(AF_UNIX, SOCK_STREAM, 0); + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + + ret = bind(listener, (SOCKADDR *)&addr, sizeof(SOCKADDR_UN)); + ok(!ret, "Could not bind Unix socket: %lu\n", GetLastError()); + + ret = listen(listener, 1); + ok(!ret, "Could not listen on Unix socket: %lu\n", GetLastError()); + + client = socket(AF_UNIX, SOCK_STREAM, 0); + ok(client != INVALID_SOCKET, "Failed to create second Unix socket: %lu\n", + GetLastError()); + + ret = ioctlsocket(client, FIONBIO, &one); + ok(!ret, "Could not set AF_UNIX socket to nonblocking: %lu; skipping connection\n", GetLastError()); + if (!ret) + { + ret = connect(client, (SOCKADDR *)&addr, sizeof(addr)); + ok(!ret || (ret == SOCKET_ERROR && GetLastError() == WSAEWOULDBLOCK), + "Error when connecting to Unix socket: %lu\n", + GetLastError()); + server = accept(listener, NULL, NULL); + ok(server != INVALID_SOCKET, "Could not accept Unix socket connection: %lu\n", + GetLastError()); + ret = ioctlsocket(client, FIONBIO, &zero); + ok(!ret, "Could not set AF_UNIX socket to blocking: %lu\n", GetLastError()); + } + + ret = send(server, serverBuf, sizeof(serverBuf), 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from send: %d\n", ret); + ret = recv(client, clientBuf, sizeof(serverBuf), 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from recv: %d\n", ret); + ok(!memcmp(serverBuf, clientBuf, sizeof(serverBuf)), "Data mismatch over Unix socket\n"); + + memset(clientBuf, 0, sizeof(clientBuf)); + + ret = sendto(server, serverBuf, sizeof(serverBuf), 0, NULL, 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from sendto: %d\n", ret); + ret = recvfrom(client, clientBuf, sizeof(serverBuf), 0, NULL, 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from recvfrom: %d\n", ret); + ok(!memcmp(serverBuf, clientBuf, sizeof(serverBuf)), "Data mismatch over Unix socket\n"); + + memset(serverBuf, 0, sizeof(serverBuf)); + + ret = send(client, clientBuf, sizeof(clientBuf), 0); + ok(ret == sizeof(clientBuf), "Incorrect return value from send: %d\n", ret); + ret = recv(server, serverBuf, sizeof(clientBuf), 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from recv: %d\n", ret); + ok(!memcmp(serverBuf, clientBuf, sizeof(clientBuf)), "Data mismatch over Unix socket\n"); + + memset(serverBuf, 0, sizeof(serverBuf)); + + ret = sendto(client, clientBuf, sizeof(clientBuf), 0, NULL, 0); + ok(ret == sizeof(clientBuf), "Incorrect return value from sendto: %d\n", ret); + ret = recvfrom(server, serverBuf, sizeof(clientBuf), 0, NULL, 0); + ok(ret == sizeof(serverBuf), "Incorrect return value from recvfrom: %d\n", ret); + ok(!memcmp(serverBuf, clientBuf, sizeof(clientBuf)), "Data mismatch over Unix socket\n"); + + closesocket(listener); + closesocket(client); + closesocket(server); + + /* Test socket file deletion */ + ret = DeleteFileA("test_afunix.sock"); + ok(ret, "DeleteFileA on socket file failed: %lu\n", GetLastError()); + ok(GetFileAttributesA("test_afunix.sock") == INVALID_FILE_ATTRIBUTES && + GetLastError() == ERROR_FILE_NOT_FOUND, + "Failed to delete socket file at path '%s'\n", + addr.sun_path); + + /* Test failure modes */ + listener = socket(AF_UNIX, SOCK_STREAM, 0); + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + ret = bind(listener, (SOCKADDR *)&addr, sizeof(SOCKADDR_UN)); + ok(!ret, "Could not bind Unix socket to path '%s': %lu\n", addr.sun_path, GetLastError()); + closesocket(listener); + listener = socket(AF_UNIX, SOCK_STREAM, 0); + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + ret = bind(listener, (SOCKADDR *)&addr, sizeof(SOCKADDR_UN)); + ok(ret && GetLastError() == WSAEADDRINUSE, + "Bound Unix socket to path '%s' despite existing socket file: %lu\n", + addr.sun_path, + GetLastError()); + closesocket(listener); + ret = DeleteFileA(addr.sun_path); + ok(ret, "DeleteFileA on socket file failed: %lu\n", GetLastError()); + ok(GetFileAttributesA("test_afunix.sock") == INVALID_FILE_ATTRIBUTES && + GetLastError() == ERROR_FILE_NOT_FOUND, + "Failed to delete socket file at path '%s'\n", + addr.sun_path); + + /* Test different path types (relative, NT, etc.) */ + GetTempPathA(sizeof(paths[0]) - 1, paths[2]); + strcat(paths[2], "tmp.sock"); + MultiByteToWideChar(CP_ACP, 0, paths[2], -1, dosWidePath, sizeof(dosPath)); + RtlDosPathNameToNtPathName_U(dosWidePath, &ntPath, NULL, NULL); + RtlUnicodeToMultiByteN(paths[3], sizeof(addr.sun_path) - 1, NULL, ntPath.Buffer, ntPath.Length); + + for (int i = 0; i < sizeof(paths) / sizeof(paths[0]); i++) + { + memcpy(addr.sun_path, paths[i], sizeof(paths[i])); + + listener = socket(AF_UNIX, SOCK_STREAM, 0); + ok(listener != INVALID_SOCKET, "Could not create Unix socket: %lu\n", + GetLastError()); + + ret = bind(listener, (SOCKADDR *)&addr, sizeof(SOCKADDR_UN)); + ok(!ret, "Could not bind Unix socket to path '%s': %lu\n", addr.sun_path, GetLastError()); + + ret = listen(listener, 1); + ok(!ret, "Could not listen on Unix socket: %lu\n", GetLastError()); + + client = socket(AF_UNIX, SOCK_STREAM, 0); + ok(client != INVALID_SOCKET, "Failed to create second Unix socket: %lu\n", + GetLastError()); + + ret = ioctlsocket(client, FIONBIO, &one); + ok(!ret, "Could not set AF_UNIX socket to nonblocking: %lu; skipping connection\n", GetLastError()); + if (!ret) + { + ret = connect(client, (SOCKADDR *)&addr, sizeof(addr)); + ok(!ret || (ret == SOCKET_ERROR && GetLastError() == WSAEWOULDBLOCK), + "Error when connecting to Unix socket: %lu\n", + GetLastError()); + server = accept(listener, NULL, NULL); + ok(server != INVALID_SOCKET, "Could not accept Unix socket connection: %lu\n", + GetLastError()); + ret = ioctlsocket(client, FIONBIO, &zero); + ok(!ret, "Could not set AF_UNIX socket to blocking: %lu\n", GetLastError()); + } + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getsockname(listener, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp(addr.sun_path, outAddr.sun_path, sizeof(addr.sun_path)), + "getsockname returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr.sun_family) + strlen(outAddr.sun_path) + 1, + "getsockname returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getsockname(client, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp((char[108]){0}, outAddr.sun_path, sizeof(addr.sun_path)), + "getsockname returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr), + "getsockname returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getsockname(server, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp(addr.sun_path, outAddr.sun_path, sizeof(addr.sun_path)), + "getsockname returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr.sun_family) + strlen(outAddr.sun_path) + 1, + "getsockname returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getpeername(listener, (SOCKADDR *)&outAddr, &outAddrSize); + ok(ret == -1, "Got info on Unix socket: %lu\n", GetLastError()); + ok(GetLastError() == WSAENOTCONN, + "Incorrect error returned from getpeername on Unix socket: %ld\n", + GetLastError()); + ok(!memcmp((char[108]){0}, outAddr.sun_path, sizeof(addr.sun_path)), + "getpeername returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr), + "getpeername returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getpeername(client, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp(addr.sun_path, outAddr.sun_path, sizeof(addr.sun_path)), + "getpeername returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr), + "getpeername returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + memset(&outAddr, 0, sizeof(outAddr)); + outAddrSize = sizeof(outAddr); + ret = getpeername(server, (SOCKADDR *)&outAddr, &outAddrSize); + ok(!ret, "Could not get info on Unix socket: %lu\n", GetLastError()); + ok(!memcmp((char[108]){0}, outAddr.sun_path, sizeof(addr.sun_path)), + "getpeername returned incorrect path '%s' for provided path '%s'\n", + outAddr.sun_path, + addr.sun_path); + ok(outAddrSize == sizeof(outAddr), + "getpeername returned incorrect size '%d' for provided path '%s'\n", + outAddrSize, + addr.sun_path); + + closesocket(listener); + closesocket(client); + closesocket(server); + + ret = DeleteFileA(addr.sun_path); + ok(ret, "DeleteFileA on socket file failed: %lu\n", GetLastError()); + ok(GetFileAttributesA(addr.sun_path) == INVALID_FILE_ATTRIBUTES && + GetLastError() == ERROR_FILE_NOT_FOUND, + "Failed to delete socket file at path '%s'\n", + addr.sun_path); + } +} + START_TEST( sock ) { int i; @@ -14547,6 +14838,7 @@ START_TEST( sock ) test_tcp_sendto_recvfrom(); test_broadcast(); test_send_buffering(); + test_afunix();
/* There is apparently an obscure interaction between this test and * test_WSAGetOverlappedResult().
If there is a need for more test cases: The merge request https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/391 from the dbus project contains 3 test cases for AF_UNIX protocol support on Windows - see https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/391#note_2834184 and following.
As stated in 2786, this won't be accepted until someone figures out a way to make socket deletion less ugly.
I'll try to make a quick review to see if it can be cleaned up a bit.
As stated in 2786, this won't be accepted until someone figures out a way to make socket deletion less ugly.
I just noticed how bad it is, IDK How everyone missed how truly horrible the socket deletion code was, it is more than ugly. From using `st` before it is initialized, to having duplicate code, I think doing something from scratch would be better. So the idea would be to completely drop `server: Allow for deletion of socket files.`.
The issue is that `open_fd` from `server/fd.c` will fail to open/get a file descriptor when `DeleteFileW` from `dlls/kernelbase/file.c` calls `NtCreateFile`.
Maybe the idea would be to make `open_fd` open `/dev/null` as an `fd` when `NtCreateFile` is called with `FILE_OPEN, FILE_DELETE_ON_CLOSE | FILE_NON_DIRECTORY_FILE` on an unix socket? (Opening file with `FILE_DELETE_ON_CLOSE` and only `FILE_OPEN` and no `FILE_READ` or `FILE_WRITE`)
For now this PR don't make AF_UNIX sockets apply a read/write lock on unix socket files, maybe also adding a test for deleting an AF_UNIX socket that is not yet closed could be a good idea.
`DeleteFileW` code: https://github.com/wine-mirror/wine/blob/3379ee2e6b5f610b9f82d31be9417095372...
@zfigura your feedback would be very much appreciated.
So the idea would be to completely drop `server: Allow for deletion of socket files.`.
The issue is that `open_fd` from `server/fd.c` will fail to open/get a file descriptor when `DeleteFileW` from `dlls/kernelbase/file.c` calls `NtCreateFile`.
That will leak socket files; we don't want that either.
On Wed Mar 26 15:30:07 2025 +0000, Elizabeth Figura wrote:
So the idea would be to completely drop `server: Allow for deletion of
socket files.`.
The issue is that `open_fd` from `server/fd.c` will fail to open/get a
file descriptor when `DeleteFileW` from `dlls/kernelbase/file.c` calls `NtCreateFile`. That will leak socket files; we don't want that either.
The idea is to drop the commit `server: Allow for deletion of socket files.` to redo it from scratch and fix file deletion.
My idea is for the new commit for AF_UNIX file deletion commit.
On Wed Mar 26 15:30:07 2025 +0000, Loïc Rebmeister wrote:
The idea is to drop the commit `server: Allow for deletion of socket files.` to redo it from scratch and fix file deletion. My idea is for the new commit for AF_UNIX file deletion commit.
What I meant to say is the changes done in that commit are so bad, we need to redo/rethink it from scratch.
On Wed Mar 26 15:33:00 2025 +0000, Loïc Rebmeister wrote:
What I meant to say is the changes done in that commit are so bad, we need to redo/rethink it from scratch.
The main reason for the problems with the current implementation in wineserver is mentioned on https://gitlab.winehq.org/wine/wine/-/merge_requests/2786#note_38573:
I do agree that the file deletion code is a bit hacky, but a lot of the file handling code in wineserver depends on having a valid file descriptor, and we can't `open()` the socket file. This was the simplest way I could find to make socket file deletion work.
Are there any concrete suggestions as to how the wineserver should be modified to make this easier to implement ?
-
Ally Sommers -
Elizabeth Figura (＠zfigura)
-
Loïc Rebmeister (＠Fox2Code)
-
Ralf Habacker (＠rhabacker)