[PATCH v45 0/7] MR7650: Add support for AF_UNIX sockets (followup)
Follow-up of !2786, which appears to have been abandoned. Depends on !8182, !8575, !8578 # Execute minimal test case 1. checkout wine into \~/src/wine 2. in dlls/ws2_32/tests/sock.c wrap all calls to test functions after `Init()` until `test_afunix()` with #if 0 ... #endif 3. build into \~/src/wine-build 4. run ``` (cd ~/src/wine-build; WINEPREFIX=~/src/wine/.wine \ ../wine/tools/runtest -q -P wine -T . -M ws2_32.dll \ -p dlls/ws2_32/tests/i386-windows/ws2_32_test.exe sock) ``` # How to debug wineserver Since `wineserver` runs in the background, simple calls to printf() will show nothing when the test case is executed. A workaround is to open a file and call fprintf() to write debug messages to this file, which can then be inspected. # How to debug a wine test case At https://gitlab.winehq.org/wine/wine/-/blob/master/tools/runtest#L151 there is mentioned a environment variable name `WINETEST_WRAPPER`, with which it may be possible to run gdb to debug test cases ``` (cd ~/src/wine-build; make -j10 ;\ WINETEST_WRAPPER="gdb --args" WINEPREFIX=~/src/wine/.wine \ ../wine/tools/runtest -P wine -T . -M ws2_32.dll \ -p dlls/ws2_32/tests/i386-windows/ws2_32_test.exe sock) Reading symbols from ./wine... (gdb) set follow-fork-mode child (gdb) r current directory: 'Z:\home\ralf.habacker\src\wine-build' sock.c:14624: Test failed: test_afunix.sock: wrong attr ffffffff sock.c:14658: Test failed: test_afunix.sock: wrong family 0 sock.c:14693: Test failed: test_afunix.sock: wrong family 0 ... ``` With this you can debug the wine application, but unfortunally not the windows api. # How to debug a wine test case (windows api) 1. After building wine install the binaries into a temporary location ``` make -C ~/src/wine-build install DESTDIR=~/src/wine-install ``` 2. run ``` (cd ../wine-build; \ WINEPREFIX=~/src/wine/.wine \ WINEDLLOVERRIDES=';ws2_32.dll=b' \ WINETEST_PLATFORM=wine \ ./wine programs/winedbg/i386-windows/winedbg.exe --gdb dlls/ws2_32/tests/i386-windows/ws2_32_test.exe sock) ``` Now let's look at the loaded shared libraries ``` Wine-gdb> info sharedlibrary
From To Syms Read Shared Object Library 0xf7b39000 0xf7bff6e0 Yes /home/user/src/wine-build/dlls/ntdll/ntdll.so 0x00401000 0x00478e2c Yes /home/user/src/wine-build/dlls/ws2_32/tests/i386-windows/ws2_32_test.exe 0x7bcc1000 0x7bd69280 Yes /home/user/src/wine/.wine/drive_c/windows/system32/ntdll.dll 0x7bb31000 0x7bb91594 Yes /home/user/src/wine/.wine/drive_c/windows/system32/kernel32.dll 0x7b5b1000 0x7b841f38 Yes /home/user/src/wine/.wine/drive_c/windows/system32/kernelbase.dll 0x77fd1000 0x77ff89d8 Yes /home/user/src/wine/.wine/drive_c/windows/system32/iphlpapi.dll 0x7b4b1000 0x7b4ebcb8 Yes /home/user/src/wine/.wine/drive_c/windows/system32/advapi32.dll 0x7b1e1000 0x7b280014 Yes /home/user/src/wine/.wine/drive_c/windows/system32/msvcrt.dll 0x7b151000 0x7b16de40 Yes /home/user/src/wine/.wine/drive_c/windows/system32/sechost.dll 0x7adf1000 0x7aec2690 Yes /home/user/src/wine/.wine/drive_c/windows/system32/ucrtbase.dll 0x77f71000 0x77f85a80 Yes /home/user/src/wine/.wine/drive_c/windows/system32/dnsapi.dll 0x77f31000 0x77f3b240 Yes /home/user/src/wine/.wine/drive_c/windows/system32/nsi.dll 0x7ad41000 0x7ad6653c Yes /home/user/src/wine/.wine/drive_c/windows/system32/ws2_32.dll 0x7a111000 0x7a2cc55c Yes /home/user/src/wine/.wine/drive_c/windows/system32/user32.dll 0x7a631000 0x7a6ae67c Yes /home/user/src/wine/.wine/drive_c/windows/system32/gdi32.dll 0x7a0b1000 0x7a0e48e8 Yes /home/user/src/wine/.wine/drive_c/windows/system32/win32u.dll 0x78121000 0x7813de90 Yes /home/user/src/wine/.wine/drive_c/windows/system32/imm32.dll
It is visible, that the unix variant of the shared libraries (ntdll.so) are read from the build dir and also the test case.
The Windows part (\*.dll) is loaded from the wine prefix, so that these must be copied from the build directory initially and whenever changes are made.
With this is possible to set breakpoints
Wine-gdb> b GetFileAttributesW(a)4 Breakpoint 1 at 0x7b5d3725: file ../wine/dlls/kernelbase/file.c, line 1665. Wine-gdb> c Continuing. Breakpoint 1, GetFileAttributesW(a)4 ( name=0x40fcfa <test_afunix+1434> L"\xec83\x8304\xfff8\x940f\x89c0\x247c\xf08\xc0b6\x44c7\x424\x1bbf\103\x489\xe824\x52e6\001\x44c7", <incomplete sequence \x824>) at ../wine/dlls/kernelbase/file.c:1665 1665 TRACE( "%s\n", debugstr_w(name) ); ``` # Followup By adding `WINESYSTEMDLLPATH=/home/user/src/wine-install/usr/local/lib/wine/i386-windows/` to the command line, some shared libraries are loaded directly from the build directory, so they do not need to be copied. ```
From To Syms Read Shared Object Library 0xf7eb2000 0xf7f786e0 Yes /home/user/src/wine-build/dlls/ntdll/ntdll.so 0x00401000 0x00478e2c Yes /home/user/src/wine-build/dlls/ws2_32/tests/i386-windows/ws2_32_test.exe 0x7bcc1000 0x7bd69280 Yes /home/user/src/wine/.wine/drive_c/windows/system32/ntdll.dll 0x7bb31000 0x7bb91594 Yes /home/user/src/wine/.wine/drive_c/windows/system32/kernel32.dll 0x7b5b1000 0x7b841f38 Yes /home/user/src/wine/.wine/drive_c/windows/system32/kernelbase.dll 0x77fd1000 0x77ff89d8 Yes /home/user/src/wine/.wine/drive_c/windows/system32/iphlpapi.dll 0x7b4b1000 0x7b4ebcb8 Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/advapi32.dll 0x7b1e1000 0x7b280014 Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/msvcrt.dll 0x7b151000 0x7b16de40 Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/sechost.dll 0x7adf1000 0x7aec2690 Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/ucrtbase.dll 0x77f71000 0x77f85a80 Yes /home/user/src/wine/.wine/drive_c/windows/system32/dnsapi.dll 0x77f31000 0x77f3b240 Yes /home/user/src/wine/.wine/drive_c/windows/system32/nsi.dll 0x7ad41000 0x7ad6653c Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/ws2_32.dll 0x7a111000 0x7a2cc55c Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/user32.dll 0x7a631000 0x7a6ae67c Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/gdi32.dll 0x79e31000 0x79e648e8 Yes /home/user/src/wine-install/usr/local/lib/wine/i386-windows/win32u.dll 0x78121000 0x7813de90 Yes /home/user/src/wine/.wine/drive_c/windows/system32/imm32.dll
Why this does not apply to all system libraries is currently unclear.
--
v45: lookup_unix_name(): fix bug not terminating wide string correctly
ws2_32: Add note in bind() for AF_UNIX sockets
ws2_32/tests: In tests for AF_UNIX sockets print actual directory used
server: Fix getsockname() and accept() on AF_UNIX sockets.
server: Introduce error when attempting to create a SOCK_DGRAM AF_UNIX socket.
ws2_32: Add support for AF_UNIX sockets.
server: Allow for deletion of socket files.
https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ally Sommers <dropbear.sh(a)gmail.com> Deleting the socket file is a common pattern with AF_UNIX sockets, and is analogous to unbinding. Ugliness removed by Ralf Habacker. --- server/fd.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) diff --git a/server/fd.c b/server/fd.c index f70bec354a3..3f526eb8340 100644 --- a/server/fd.c +++ b/server/fd.c @@ -1987,20 +1987,42 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam { /* check for trailing slash on file path */ if ((errno == ENOENT || (errno == ENOTDIR && !(options & FILE_DIRECTORY_FILE))) && name[strlen(name) - 1] == '/') + { set_error( STATUS_OBJECT_NAME_INVALID ); + goto error; + } + + if (stat( name, &st )) + { + file_set_error(); + goto error; + } + + /* 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) && S_ISSOCK(st.st_mode) && (options & FILE_DELETE_ON_CLOSE)) + ; /* no error, go to regular deletion code path */ else + { file_set_error(); - goto error; + goto error; + } } } fd->nt_name = dup_nt_name( root, nt_name, &fd->nt_namelen ); fd->unix_name = NULL; - fstat( fd->unix_fd, &st ); + /* st was set from the file name if the file could not be opened */ + 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)) + 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 ); @@ -2062,7 +2084,10 @@ struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_nam set_error( STATUS_OBJECT_NAME_COLLISION ); goto error; } - ftruncate( fd->unix_fd, 0 ); + if (fd->unix_fd != -1) + ftruncate( fd->unix_fd, 0 ); + else + truncate( fd->unix_name, 0 ); } } else /* special file */ -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ally Sommers <dropbear.sh(a)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 | 83 +++++++++++++++++-- dlls/ws2_32/ws2_32_private.h | 13 +++ server/sock.c | 152 ++++++++++++++++++++++++++++++++--- 4 files changed, 238 insertions(+), 14 deletions(-) diff --git a/dlls/ntdll/unix/socket.c b/dlls/ntdll/unix/socket.c index dd9fe27d0ab..7aa6a580db6 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 d4223e93bd1..4af9f23b538 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); } @@ -1150,6 +1168,9 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len ) IO_STATUS_BLOCK io; HANDLE sync_event; NTSTATUS status; + const int bind_len = len; + char *unix_path = NULL; + int unix_varargs_size = 0; TRACE( "socket %#Ix, addr %s, len %d\n", s, debugstr_sockaddr(addr), len ); @@ -1199,6 +1220,15 @@ 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 ); @@ -1207,7 +1237,29 @@ 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) { @@ -1217,10 +1269,14 @@ 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) @@ -1233,6 +1289,7 @@ 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; @@ -1273,11 +1330,24 @@ 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; @@ -1285,10 +1355,13 @@ 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 7785d3c7706..2b8316cfcfa 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 ); @@ -744,6 +749,9 @@ 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; } @@ -1847,6 +1855,7 @@ 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; } @@ -2666,8 +2675,13 @@ 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; @@ -2737,7 +2751,55 @@ 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 ); @@ -2784,6 +2846,9 @@ 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 ); @@ -3033,6 +3098,7 @@ 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 */ @@ -3042,8 +3108,10 @@ 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; @@ -3055,7 +3123,47 @@ 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 ); @@ -3133,8 +3241,16 @@ 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; @@ -3146,13 +3262,23 @@ 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; } @@ -3169,7 +3295,15 @@ 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: -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ally Sommers <dropbear.sh(a)gmail.com> --- server/sock.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/server/sock.c b/server/sock.c index 2b8316cfcfa..f56fcae3876 100644 --- a/server/sock.c +++ b/server/sock.c @@ -1956,6 +1956,12 @@ 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 if (sockfd == -1 && errno == EPERM && unix_type == SOCK_RAW -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ally Sommers <dropbear.sh(a)gmail.com> --- server/sock.c | 72 ++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 60 insertions(+), 12 deletions(-) diff --git a/server/sock.c b/server/sock.c index f56fcae3876..191160562f6 100644 --- a/server/sock.c +++ b/server/sock.c @@ -2155,11 +2155,32 @@ 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) ); + } + } } } @@ -2219,11 +2240,31 @@ 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(); @@ -2859,10 +2900,17 @@ 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) -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ralf Habacker <ralf.habacker(a)freenet.de> --- dlls/ws2_32/tests/sock.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c index 883fe0c3021..064d537db19 100644 --- a/dlls/ws2_32/tests/sock.c +++ b/dlls/ws2_32/tests/sock.c @@ -14746,6 +14746,11 @@ static void test_afunix(void) ULONG one = 1; int ret; + char currentDir[MAX_PATH+1]; + ret = GetCurrentDirectoryA(sizeof(currentDir)-1, currentDir); + ok(ret, "Could not get current directory: %lu\n", GetLastError()); + winetest_printf("current directory: '%s'\n", currentDir); + /* Test connection and send/recv */ listener = socket(AF_UNIX, SOCK_STREAM, 0); if (listener == INVALID_SOCKET && GetLastError() == WSAEAFNOSUPPORT) -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ralf Habacker <ralf.habacker(a)freenet.de> --- dlls/ws2_32/socket.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c index 4af9f23b538..397097cde73 100644 --- a/dlls/ws2_32/socket.c +++ b/dlls/ws2_32/socket.c @@ -1239,6 +1239,8 @@ int WINAPI bind( SOCKET s, const struct sockaddr *addr, int len ) if (addr->sa_family == AF_UNIX && *addr->sa_data) { + /* The corresponding unix path is appended to a buffer with + * the structure sockaddr_un and can have a length of <= PATH_MAX */ struct sockaddr_un sun = { 0 }; WCHAR *sun_pathW; memcpy(&sun, addr, len); -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
From: Ralf Habacker <ralf.habacker(a)freenet.de> --- dlls/ntdll/unix/file.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c index 5cabb6c37ff..ac11b85e886 100644 --- a/dlls/ntdll/unix/file.c +++ b/dlls/ntdll/unix/file.c @@ -3580,8 +3580,11 @@ static NTSTATUS lookup_unix_name( int root_fd, OBJECT_ATTRIBUTES *attr, UNICODE_ { int reparse_fd; - memcpy( reparse_name, name, (end - name) * sizeof(WCHAR) ); - reparse_name[end - name] = '?'; + size_t nlen = end - name; + WCHAR* reparse_name = malloc((nlen + 2) * sizeof(WCHAR)); // +1 for '?' +1 for '\0' + memcpy(reparse_name, name, nlen * sizeof(WCHAR)); + reparse_name[nlen] = '?'; + reparse_name[nlen + 1] = 0; // terminate if (!name_len && open_reparse) { -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/7650
On Mon Nov 3 11:50:47 2025 +0000, Ralf Habacker wrote:
`GetFileAttributesA()` calls `GetFileAttributesW()`, in which the status returned by `NtQueryAttributesFile()` is ``` p/x status $5 = 0xc0000034 ``` which is `#define STATUS_OBJECT_NAME_NOT_FOUND ((NTSTATUS) 0xC0000034)` which looks as if `bind()` does not create a socket file. This is indeed the case as shown by the following trace log
0278:trace:winsock:sock_ioctl handle 0x70, code 0x120320, in_buffer 0x74f77c, in_size 16, out_buffer (nil), out_size 0
0278:trace:winsock:WSASocketW created 0x70
0278:trace:winsock:bind socket 0x70, addr { family AF_UNIX, path test_afunix.sock }, len 110
0278:trace:file:RtlDosPathNameToNtPathName_U_WithStatus (L"test_afunix.sock",0074F6E8,00000000,00000000)
0278:trace:file:RtlGetFullPathName_U (L"test_afunix.sock" 520 0074F480 00000000)
0278:trace:file:RtlGetFullPathName_UEx (L"test_afunix.sock" 520 0074F480 00000000 00000000)
0278:trace:file:NtCreateFile handle=0x74f6e4 access=80000000 name=L"\\??\\Z:\\home\\ralf.habacker\\src\\wine-build\\test_afunix.sock" objattr=00000000 root=(nil) sec=(nil) io=0x74f6f0 alloc_size=(nil) attr=00000000 sharing=00000003 disp=1 options=00000020 ea=(nil).0x00000000
0278:trace:file:get_nt_and_unix_names L"\\??\\Z:\\home\\ralf.habacker\\src\\wine-build\\test_afunix.sock" -> ret c0000034
0278:warn:file:NtCreateFile L"\\??\\Z:\\home\\ralf.habacker\\src\\wine-build\\test_afunix.sock" not found (c0000034)
-- https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_123087
On Thu Nov 20 09:34:17 2025 +0000, Ralf Habacker wrote:
This is indeed the case as shown by the following trace log ``` 0278:trace:winsock:sock_ioctl handle 0x70, code 0x120320, in_buffer 0x74f77c, in_size 16, out_buffer (nil), out_size 0 0278:trace:winsock:WSASocketW created 0x70 0278:trace:winsock:bind socket 0x70, addr { family AF_UNIX, path test_afunix.sock }, len 110 0278:trace:file:RtlDosPathNameToNtPathName_U_WithStatus (L"test_afunix.sock",0074F6E8,00000000,00000000) 0278:trace:file:RtlGetFullPathName_U (L"test_afunix.sock" 520 0074F480 00000000) 0278:trace:file:RtlGetFullPathName_UEx (L"test_afunix.sock" 520 0074F480 00000000 00000000) 0278:trace:file:NtCreateFile handle=0x74f6e4 access=80000000 name=L"\\??\\Z:\\home\\user\\src\\wine-build\\test_afunix.sock" objattr=00000000 root=(nil) sec=(nil) io=0x74f6f0 alloc_size=(nil) attr=00000000 sharing=00000003 disp=1 options=00000020 ea=(nil).0x00000000 0278:trace:file:get_nt_and_unix_names L"\\??\\Z:\\home\\user\\src\\wine-build\\test_afunix.sock" -> ret c0000034 0278:warn:file:NtCreateFile L"\\??\\Z:\\home\\user\\src\\wine-build\\test_afunix.sock" not found (c0000034) ``` When starting wineserver with debug info enabled
/home/user/src/wine-build/server/wineserver -d -f > wineserver.log 2>&1
and running the test case mentioned above the generated log file contains ``` grep create_file wineserver.log ... 0024: create_file( access=80000000, sharing=00000003, create=1, options=00000020, attrs=00000000, objattr={rootdir=0000,attributes=00000000,sd={},name=L"\\??\\Z:\\home\\ralf.habacker\\src\\wine-build\\test_afunix.sock"}, filename="/home/ralf.habacker/.wine/dosdevices/z:/home/ralf.habacker/src/wine-build/test_afunix.sock" ) 0024: create_file() = NO_SUCH_DEVICE { handle=0000 } ... ``` indicating missing support for AF_UNIX sockets. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_123096
https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_120480 which looks as if `bind()` does not create a socket file.
However, if you run the test case with mingw gdb and pause after calling `bind()`, the socket file is present. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_123957
On Thu Nov 27 16:27:37 2025 +0000, Ralf Habacker wrote:
https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_120480 which looks as if `bind()` does not create a socket file. However, if you run the test case with mingw gdb and pause after calling `bind()`, the socket file is present. Combining synchronized strace and wine trace messages with
#!/bin/bash -x
p=$PWD
cd ~/src/wine-build
WINEDEBUG=+file,+winsock \
WINEDLLOVERRIDES=';ws2_32.dll=b' \
WINETEST_PLATFORM=wine \
stdbuf -o0 -eL strace -tt -f -o strace.log \
./wine dlls/ws2_32/tests/i386-windows/ws2_32_test.exe sock 2>&1 | ts 'WINE %H:%M:%.S' > wine.log
cat wine.log strace.log | grep -v 'write(\|read(\|rt_sigprocmask' | sort -k 2 > $p/trace.log
returns ``` WINE 08:26:07.797561 0024:trace:winsock:bind successfully bound to address { family AF_UNIX, path test_afunix.sock } WINE 08:26:07.797576 0024:trace:file:GetFileAttributesW L"test_afunix.sock" WINE 08:26:07.797591 0024:trace:file:RtlDosPathNameToNtPathName_U_WithStatus (L"test_afunix.sock",0073FB88,00000000,00000000) WINE 08:26:07.797606 0024:trace:file:RtlGetFullPathName_U (L"test_afunix.sock" 520 0073F940 00000000) WINE 08:26:07.797629 0024:trace:file:RtlGetFullPathName_UEx (L"test_afunix.sock" 520 0073F940 00000000 00000000) 28089 08:26:07.797638 statx(AT_FDCWD, "/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", AT_STATX_SYNC_AS_STAT|AT_NO_AUTOMOUNT, STATX_BASIC_STATS, {stx_mask=STATX_BASIC_STATS|STATX_MNT_ID, stx_attributes=0, stx_mode=S_IFSOCK|0755, stx_size=0, ...}) = 0 WINE 08:26:07.797667 0024:trace:file:get_nt_and_unix_names L"\\??\\Z:\\home\\user\\src\\wine-build\\test_afunix.sock" -> ret 0 nt L"\\??\\Z:\\home\\user\\src\\wine-build\\test_afunix.sock" unix "/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock" 28089 08:26:07.797673 statx(AT_FDCWD, "/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", AT_STATX_SYNC_AS_STAT|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT, STATX_BASIC_STATS, {stx_mask=STATX_BASIC_STATS|STATX_MNT_ID, stx_attributes=0, stx_mode=S_IFSOCK|0755, stx_size=0, ...}) = 0 28089 08:26:07.797690 getxattr("/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", "user.WINEREPARSE", 0x21b9e0, 16384) = -1 ENODATA (Keine Daten verfügbar) 28089 08:26:07.797712 getxattr("/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", "user.DOSATTRIB", 0x21b873, 64) = -1 ENODATA (Keine Daten verfügbar) WINE 08:26:07.815242 current directory: 'Z:\home\user\src\wine-build' WINE 08:26:07.815249 sock.c:14624: Test failed: test_afunix.sock: wrong attr ffffffff ``` This line indicates that the socket file is present ``` 28089 08:26:07.797673 statx(AT_FDCWD, "/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", AT_STATX_SYNC_AS_STAT|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT, STATX_BASIC_STATS, {stx_mask=STATX_BASIC_STATS|STATX_MNT_ID, stx_attributes=0, stx_mode=S_IFSOCK|0755, stx_size=0, ...}) = 0 ``` This line may indicate a problem: ``` 28089 08:26:07.797690 getxattr("/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", "user.WINEREPARSE", 0x21b9e0, 16384) = -1 ENODATA (Keine Daten verfügbar) ``` and this too : ``` 28089 08:26:07.797712 getxattr("/home/user/.wine/dosdevices/z:/home/user/src/wine-build/test_afunix.sock", "user.DOSATTRIB", 0x21b873, 64) = -1 ENODATA (Keine Daten verfügbar) ``` -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7650#note_124009
participants (3)
-
Ally Sommers -
Ralf Habacker
-
Ralf Habacker (＠rhabacker)