806 lines
22 KiB
C
806 lines
22 KiB
C
/*
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* Unix library functions
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*
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* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
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* Copyright (C) 2001 Stefan Leichter
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* Copyright (C) 2004 Hans Leidekker
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* Copyright (C) 2005 Marcus Meissner
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* Copyright (C) 2006-2008 Kai Blin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <errno.h>
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#include <pthread.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#ifdef HAVE_NETDB_H
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# include <netdb.h>
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#endif
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#ifdef HAVE_NETIPX_IPX_H
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# include <netipx/ipx.h>
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#elif defined(HAVE_LINUX_IPX_H)
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# ifdef HAVE_ASM_TYPES_H
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# include <asm/types.h>
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# endif
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# ifdef HAVE_LINUX_TYPES_H
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# include <linux/types.h>
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# endif
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# include <linux/ipx.h>
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#endif
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#if defined(SOL_IPX) || defined(SO_DEFAULT_HEADERS)
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# define HAS_IPX
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#endif
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#ifdef HAVE_LINUX_IRDA_H
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# ifdef HAVE_LINUX_TYPES_H
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# include <linux/types.h>
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# endif
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# include <linux/irda.h>
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# define HAS_IRDA
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "winsock2.h"
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#include "ws2tcpip.h"
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#include "wsipx.h"
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#include "af_irda.h"
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#include "wine/debug.h"
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#include "ws2_32_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winsock);
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#ifndef HAVE_LINUX_GETHOSTBYNAME_R_6
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static pthread_mutex_t host_mutex = PTHREAD_MUTEX_INITIALIZER;
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#endif
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#define MAP(x) {WS_ ## x, x}
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static const int addrinfo_flag_map[][2] =
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{
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MAP( AI_PASSIVE ),
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MAP( AI_CANONNAME ),
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MAP( AI_NUMERICHOST ),
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#ifdef AI_NUMERICSERV
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MAP( AI_NUMERICSERV ),
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#endif
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#ifdef AI_V4MAPPED
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MAP( AI_V4MAPPED ),
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#endif
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MAP( AI_ALL ),
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MAP( AI_ADDRCONFIG ),
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};
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static const int family_map[][2] =
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{
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MAP( AF_UNSPEC ),
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MAP( AF_INET ),
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MAP( AF_INET6 ),
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#ifdef AF_IPX
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MAP( AF_IPX ),
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#endif
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#ifdef AF_IRDA
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MAP( AF_IRDA ),
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#endif
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};
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static const int socktype_map[][2] =
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{
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MAP( SOCK_STREAM ),
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MAP( SOCK_DGRAM ),
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MAP( SOCK_RAW ),
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};
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static const int ip_protocol_map[][2] =
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{
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MAP( IPPROTO_IP ),
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MAP( IPPROTO_TCP ),
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MAP( IPPROTO_UDP ),
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MAP( IPPROTO_IPV6 ),
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MAP( IPPROTO_ICMP ),
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MAP( IPPROTO_IGMP ),
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MAP( IPPROTO_RAW ),
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{WS_IPPROTO_IPV4, IPPROTO_IPIP},
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};
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#undef MAP
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static int addrinfo_flags_from_unix( int flags )
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{
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int ws_flags = 0;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(addrinfo_flag_map); ++i)
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{
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if (flags & addrinfo_flag_map[i][1])
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{
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ws_flags |= addrinfo_flag_map[i][0];
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flags &= ~addrinfo_flag_map[i][1];
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}
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}
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if (flags)
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FIXME( "unhandled flags %#x\n", flags );
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return ws_flags;
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}
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static int addrinfo_flags_to_unix( int flags )
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{
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int unix_flags = 0;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(addrinfo_flag_map); ++i)
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{
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if (flags & addrinfo_flag_map[i][0])
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{
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unix_flags |= addrinfo_flag_map[i][1];
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flags &= ~addrinfo_flag_map[i][0];
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}
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}
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if (flags)
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FIXME( "unhandled flags %#x\n", flags );
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return unix_flags;
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}
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static int family_from_unix( int family )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(family_map); ++i)
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{
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if (family == family_map[i][1])
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return family_map[i][0];
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}
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FIXME( "unhandled family %u\n", family );
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return -1;
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}
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static int family_to_unix( int family )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(family_map); ++i)
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{
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if (family == family_map[i][0])
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return family_map[i][1];
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}
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FIXME( "unhandled family %u\n", family );
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return -1;
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}
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static int socktype_from_unix( int type )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(socktype_map); ++i)
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{
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if (type == socktype_map[i][1])
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return socktype_map[i][0];
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}
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FIXME( "unhandled type %u\n", type );
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return -1;
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}
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static int socktype_to_unix( int type )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(socktype_map); ++i)
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{
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if (type == socktype_map[i][0])
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return socktype_map[i][1];
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}
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FIXME( "unhandled type %u\n", type );
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return -1;
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}
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static int protocol_from_unix( int protocol )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(ip_protocol_map); ++i)
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{
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if (protocol == ip_protocol_map[i][1])
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return ip_protocol_map[i][0];
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}
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if (protocol >= WS_NSPROTO_IPX && protocol <= WS_NSPROTO_IPX + 255)
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return protocol;
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FIXME( "unhandled protocol %u\n", protocol );
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return -1;
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}
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static int protocol_to_unix( int protocol )
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(ip_protocol_map); ++i)
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{
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if (protocol == ip_protocol_map[i][0])
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return ip_protocol_map[i][1];
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}
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if (protocol >= WS_NSPROTO_IPX && protocol <= WS_NSPROTO_IPX + 255)
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return protocol;
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FIXME( "unhandled protocol %u\n", protocol );
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return -1;
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}
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static unsigned int errno_from_unix( int err )
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{
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switch (err)
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{
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case EINTR: return WSAEINTR;
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case EBADF: return WSAEBADF;
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case EPERM:
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case EACCES: return WSAEACCES;
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case EFAULT: return WSAEFAULT;
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case EINVAL: return WSAEINVAL;
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case EMFILE: return WSAEMFILE;
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case EINPROGRESS:
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case EWOULDBLOCK: return WSAEWOULDBLOCK;
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case EALREADY: return WSAEALREADY;
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case ENOTSOCK: return WSAENOTSOCK;
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case EDESTADDRREQ: return WSAEDESTADDRREQ;
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case EMSGSIZE: return WSAEMSGSIZE;
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case EPROTOTYPE: return WSAEPROTOTYPE;
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case ENOPROTOOPT: return WSAENOPROTOOPT;
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case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
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case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
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case EOPNOTSUPP: return WSAEOPNOTSUPP;
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case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
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case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
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case EADDRINUSE: return WSAEADDRINUSE;
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case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
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case ENETDOWN: return WSAENETDOWN;
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case ENETUNREACH: return WSAENETUNREACH;
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case ENETRESET: return WSAENETRESET;
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case ECONNABORTED: return WSAECONNABORTED;
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case EPIPE:
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case ECONNRESET: return WSAECONNRESET;
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case ENOBUFS: return WSAENOBUFS;
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case EISCONN: return WSAEISCONN;
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case ENOTCONN: return WSAENOTCONN;
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case ESHUTDOWN: return WSAESHUTDOWN;
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case ETOOMANYREFS: return WSAETOOMANYREFS;
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case ETIMEDOUT: return WSAETIMEDOUT;
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case ECONNREFUSED: return WSAECONNREFUSED;
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case ELOOP: return WSAELOOP;
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case ENAMETOOLONG: return WSAENAMETOOLONG;
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case EHOSTDOWN: return WSAEHOSTDOWN;
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case EHOSTUNREACH: return WSAEHOSTUNREACH;
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case ENOTEMPTY: return WSAENOTEMPTY;
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#ifdef EPROCLIM
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case EPROCLIM: return WSAEPROCLIM;
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#endif
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#ifdef EUSERS
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case EUSERS: return WSAEUSERS;
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#endif
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#ifdef EDQUOT
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case EDQUOT: return WSAEDQUOT;
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#endif
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#ifdef ESTALE
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case ESTALE: return WSAESTALE;
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#endif
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#ifdef EREMOTE
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case EREMOTE: return WSAEREMOTE;
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#endif
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default:
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FIXME( "unknown error: %s", strerror( err ) );
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return WSAEFAULT;
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}
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}
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static UINT host_errno_from_unix( int err )
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{
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WARN( "%d\n", err );
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switch (err)
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{
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case HOST_NOT_FOUND: return WSAHOST_NOT_FOUND;
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case TRY_AGAIN: return WSATRY_AGAIN;
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case NO_RECOVERY: return WSANO_RECOVERY;
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case NO_DATA: return WSANO_DATA;
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case ENOBUFS: return WSAENOBUFS;
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case 0: return 0;
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default:
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WARN( "Unknown h_errno %d!\n", err );
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return WSAEOPNOTSUPP;
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}
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}
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static int addrinfo_err_from_unix( int err )
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{
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switch (err)
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{
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case EAI_AGAIN: return WS_EAI_AGAIN;
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case EAI_BADFLAGS: return WS_EAI_BADFLAGS;
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case EAI_FAIL: return WS_EAI_FAIL;
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case EAI_FAMILY: return WS_EAI_FAMILY;
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case EAI_MEMORY: return WS_EAI_MEMORY;
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/* EAI_NODATA is deprecated, but still used by Windows and Linux. We map
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* the newer EAI_NONAME to EAI_NODATA for now until Windows changes too. */
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#ifdef EAI_NODATA
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case EAI_NODATA: return WS_EAI_NODATA;
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#endif
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#ifdef EAI_NONAME
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case EAI_NONAME: return WS_EAI_NODATA;
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#endif
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case EAI_SERVICE: return WS_EAI_SERVICE;
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case EAI_SOCKTYPE: return WS_EAI_SOCKTYPE;
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case EAI_SYSTEM:
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/* some broken versions of glibc return EAI_SYSTEM and set errno to
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* 0 instead of returning EAI_NONAME */
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return errno ? errno_from_unix( errno ) : WS_EAI_NONAME;
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default:
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FIXME( "unhandled error %d\n", err );
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return err;
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}
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}
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union unix_sockaddr
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{
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struct sockaddr addr;
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struct sockaddr_in in;
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struct sockaddr_in6 in6;
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#ifdef HAS_IPX
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struct sockaddr_ipx ipx;
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#endif
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#ifdef HAS_IRDA
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struct sockaddr_irda irda;
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#endif
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};
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/* different from the version in ntdll and server; it does not return failure if
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* given a short buffer */
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static int sockaddr_from_unix( const union unix_sockaddr *uaddr, struct WS_sockaddr *wsaddr, socklen_t wsaddrlen )
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{
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memset( wsaddr, 0, wsaddrlen );
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switch (uaddr->addr.sa_family)
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{
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case AF_INET:
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{
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struct WS_sockaddr_in win = {0};
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if (wsaddrlen >= sizeof(win))
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{
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win.sin_family = WS_AF_INET;
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win.sin_port = uaddr->in.sin_port;
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memcpy( &win.sin_addr, &uaddr->in.sin_addr, sizeof(win.sin_addr) );
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memcpy( wsaddr, &win, sizeof(win) );
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}
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return sizeof(win);
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}
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case AF_INET6:
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{
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struct WS_sockaddr_in6 win = {0};
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if (wsaddrlen >= sizeof(win))
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{
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win.sin6_family = WS_AF_INET6;
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win.sin6_port = uaddr->in6.sin6_port;
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win.sin6_flowinfo = uaddr->in6.sin6_flowinfo;
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memcpy( &win.sin6_addr, &uaddr->in6.sin6_addr, sizeof(win.sin6_addr) );
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#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
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win.sin6_scope_id = uaddr->in6.sin6_scope_id;
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#endif
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memcpy( wsaddr, &win, sizeof(win) );
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}
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return sizeof(win);
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}
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#ifdef HAS_IPX
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case AF_IPX:
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{
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struct WS_sockaddr_ipx win = {0};
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if (wsaddrlen >= sizeof(win))
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{
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win.sa_family = WS_AF_IPX;
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memcpy( win.sa_netnum, &uaddr->ipx.sipx_network, sizeof(win.sa_netnum) );
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memcpy( win.sa_nodenum, &uaddr->ipx.sipx_node, sizeof(win.sa_nodenum) );
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win.sa_socket = uaddr->ipx.sipx_port;
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memcpy( wsaddr, &win, sizeof(win) );
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}
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return sizeof(win);
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}
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#endif
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#ifdef HAS_IRDA
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case AF_IRDA:
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{
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SOCKADDR_IRDA win;
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if (wsaddrlen >= sizeof(win))
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{
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win.irdaAddressFamily = WS_AF_IRDA;
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memcpy( win.irdaDeviceID, &uaddr->irda.sir_addr, sizeof(win.irdaDeviceID) );
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if (uaddr->irda.sir_lsap_sel != LSAP_ANY)
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snprintf( win.irdaServiceName, sizeof(win.irdaServiceName), "LSAP-SEL%u", uaddr->irda.sir_lsap_sel );
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else
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memcpy( win.irdaServiceName, uaddr->irda.sir_name, sizeof(win.irdaServiceName) );
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memcpy( wsaddr, &win, sizeof(win) );
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}
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return sizeof(win);
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}
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#endif
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case AF_UNSPEC:
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return 0;
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default:
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FIXME( "unknown address family %d\n", uaddr->addr.sa_family );
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return 0;
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}
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}
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static BOOL addrinfo_in_list( const struct WS_addrinfo *list, const struct WS_addrinfo *ai )
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{
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const struct WS_addrinfo *cursor = list;
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while (cursor)
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{
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if (ai->ai_flags == cursor->ai_flags &&
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ai->ai_family == cursor->ai_family &&
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ai->ai_socktype == cursor->ai_socktype &&
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ai->ai_protocol == cursor->ai_protocol &&
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ai->ai_addrlen == cursor->ai_addrlen &&
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!memcmp( ai->ai_addr, cursor->ai_addr, ai->ai_addrlen ) &&
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((ai->ai_canonname && cursor->ai_canonname && !strcmp( ai->ai_canonname, cursor->ai_canonname ))
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|| (!ai->ai_canonname && !cursor->ai_canonname)))
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{
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return TRUE;
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}
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cursor = cursor->ai_next;
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}
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return FALSE;
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}
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static int CDECL unix_getaddrinfo( const char *node, const char *service, const struct WS_addrinfo *hints,
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struct WS_addrinfo *info, unsigned int *size )
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{
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#ifdef HAVE_GETADDRINFO
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struct addrinfo unix_hints = {0};
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struct addrinfo *unix_info, *src;
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struct WS_addrinfo *dst, *prev = NULL;
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unsigned int needed_size = 0;
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int ret;
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/* servname tweak required by OSX and BSD kernels */
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if (service && !service[0]) service = "0";
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if (hints)
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{
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unix_hints.ai_flags = addrinfo_flags_to_unix( hints->ai_flags );
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if (hints->ai_family)
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unix_hints.ai_family = family_to_unix( hints->ai_family );
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if (hints->ai_socktype)
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{
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if ((unix_hints.ai_socktype = socktype_to_unix( hints->ai_socktype )) < 0)
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return WSAESOCKTNOSUPPORT;
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}
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if (hints->ai_protocol)
|
|
unix_hints.ai_protocol = max( protocol_to_unix( hints->ai_protocol ), 0 );
|
|
|
|
/* Windows allows some invalid combinations */
|
|
if (unix_hints.ai_protocol == IPPROTO_TCP
|
|
&& unix_hints.ai_socktype != SOCK_STREAM
|
|
&& unix_hints.ai_socktype != SOCK_SEQPACKET)
|
|
{
|
|
WARN( "ignoring invalid type %u for TCP\n", unix_hints.ai_socktype );
|
|
unix_hints.ai_socktype = 0;
|
|
}
|
|
else if (unix_hints.ai_protocol == IPPROTO_UDP && unix_hints.ai_socktype != SOCK_DGRAM)
|
|
{
|
|
WARN( "ignoring invalid type %u for UDP\n", unix_hints.ai_socktype );
|
|
unix_hints.ai_socktype = 0;
|
|
}
|
|
else if (unix_hints.ai_protocol >= WS_NSPROTO_IPX && unix_hints.ai_protocol <= WS_NSPROTO_IPX + 255
|
|
&& unix_hints.ai_socktype != SOCK_DGRAM)
|
|
{
|
|
WARN( "ignoring invalid type %u for IPX\n", unix_hints.ai_socktype );
|
|
unix_hints.ai_socktype = 0;
|
|
}
|
|
else if (unix_hints.ai_protocol == IPPROTO_IPV6)
|
|
{
|
|
WARN( "ignoring protocol IPv6\n" );
|
|
unix_hints.ai_protocol = 0;
|
|
}
|
|
}
|
|
|
|
ret = getaddrinfo( node, service, hints ? &unix_hints : NULL, &unix_info );
|
|
if (ret)
|
|
return addrinfo_err_from_unix( ret );
|
|
|
|
for (src = unix_info; src != NULL; src = src->ai_next)
|
|
{
|
|
needed_size += sizeof(struct WS_addrinfo);
|
|
if (src->ai_canonname)
|
|
needed_size += strlen( src->ai_canonname ) + 1;
|
|
needed_size += sockaddr_from_unix( (const union unix_sockaddr *)src->ai_addr, NULL, 0 );
|
|
}
|
|
|
|
if (*size < needed_size)
|
|
{
|
|
*size = needed_size;
|
|
freeaddrinfo( unix_info );
|
|
return ERROR_INSUFFICIENT_BUFFER;
|
|
}
|
|
|
|
dst = info;
|
|
|
|
memset( info, 0, needed_size );
|
|
|
|
for (src = unix_info; src != NULL; src = src->ai_next)
|
|
{
|
|
void *next = dst + 1;
|
|
|
|
dst->ai_flags = addrinfo_flags_from_unix( src->ai_flags );
|
|
dst->ai_family = family_from_unix( src->ai_family );
|
|
if (hints)
|
|
{
|
|
dst->ai_socktype = hints->ai_socktype;
|
|
dst->ai_protocol = hints->ai_protocol;
|
|
}
|
|
else
|
|
{
|
|
dst->ai_socktype = socktype_from_unix( src->ai_socktype );
|
|
dst->ai_protocol = protocol_from_unix( src->ai_protocol );
|
|
}
|
|
if (src->ai_canonname)
|
|
{
|
|
size_t len = strlen( src->ai_canonname ) + 1;
|
|
|
|
dst->ai_canonname = next;
|
|
memcpy( dst->ai_canonname, src->ai_canonname, len );
|
|
next = dst->ai_canonname + len;
|
|
}
|
|
|
|
dst->ai_addrlen = sockaddr_from_unix( (const union unix_sockaddr *)src->ai_addr, NULL, 0 );
|
|
dst->ai_addr = next;
|
|
sockaddr_from_unix( (const union unix_sockaddr *)src->ai_addr, dst->ai_addr, dst->ai_addrlen );
|
|
next = (char *)dst->ai_addr + dst->ai_addrlen;
|
|
|
|
if (dst == info || !addrinfo_in_list( info, dst ))
|
|
{
|
|
if (prev)
|
|
prev->ai_next = dst;
|
|
prev = dst;
|
|
dst = next;
|
|
}
|
|
}
|
|
|
|
dst->ai_next = NULL;
|
|
|
|
freeaddrinfo( unix_info );
|
|
return 0;
|
|
#else
|
|
FIXME( "getaddrinfo() not found during build time\n" );
|
|
return WS_EAI_FAIL;
|
|
#endif
|
|
}
|
|
|
|
|
|
static int hostent_from_unix( const struct hostent *unix_host, struct WS_hostent *host, unsigned int *const size )
|
|
{
|
|
unsigned int needed_size = sizeof( struct WS_hostent ), alias_count = 0, addr_count = 0, i;
|
|
char *p;
|
|
|
|
needed_size += strlen( unix_host->h_name );
|
|
|
|
for (alias_count = 0; unix_host->h_aliases[alias_count] != NULL; ++alias_count)
|
|
needed_size += sizeof(char *) + strlen( unix_host->h_aliases[alias_count] ) + 1;
|
|
needed_size += sizeof(char *); /* null terminator */
|
|
|
|
for (addr_count = 0; unix_host->h_addr_list[addr_count] != NULL; ++addr_count)
|
|
needed_size += sizeof(char *) + unix_host->h_length;
|
|
needed_size += sizeof(char *); /* null terminator */
|
|
|
|
if (*size < needed_size)
|
|
{
|
|
*size = needed_size;
|
|
return ERROR_INSUFFICIENT_BUFFER;
|
|
}
|
|
|
|
memset( host, 0, needed_size );
|
|
|
|
/* arrange the memory in the same order as windows >= XP */
|
|
|
|
host->h_addrtype = family_from_unix( unix_host->h_addrtype );
|
|
host->h_length = unix_host->h_length;
|
|
|
|
p = (char *)(host + 1);
|
|
host->h_aliases = (char **)p;
|
|
p += (alias_count + 1) * sizeof(char *);
|
|
host->h_addr_list = (char **)p;
|
|
p += (addr_count + 1) * sizeof(char *);
|
|
|
|
for (i = 0; i < addr_count; ++i)
|
|
{
|
|
host->h_addr_list[i] = p;
|
|
memcpy( host->h_addr_list[i], unix_host->h_addr_list[i], unix_host->h_length );
|
|
p += unix_host->h_length;
|
|
}
|
|
|
|
for (i = 0; i < alias_count; ++i)
|
|
{
|
|
size_t len = strlen( unix_host->h_aliases[i] ) + 1;
|
|
|
|
host->h_aliases[i] = p;
|
|
memcpy( host->h_aliases[i], unix_host->h_aliases[i], len );
|
|
p += len;
|
|
}
|
|
|
|
host->h_name = p;
|
|
strcpy( host->h_name, unix_host->h_name );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int CDECL unix_gethostbyaddr( const void *addr, int len, int family,
|
|
struct WS_hostent *const host, unsigned int *size )
|
|
{
|
|
const struct in_addr loopback = { htonl( INADDR_LOOPBACK ) };
|
|
int unix_family = family_to_unix( family );
|
|
struct hostent *unix_host;
|
|
int ret;
|
|
|
|
if (family == WS_AF_INET && len == 4 && !memcmp( addr, magic_loopback_addr, 4 ))
|
|
addr = &loopback;
|
|
|
|
#ifdef HAVE_LINUX_GETHOSTBYNAME_R_6
|
|
{
|
|
char *unix_buffer, *new_buffer;
|
|
struct hostent stack_host;
|
|
int unix_size = 1024;
|
|
int locerr;
|
|
|
|
if (!(unix_buffer = malloc( unix_size )))
|
|
return WSAENOBUFS;
|
|
|
|
while (gethostbyaddr_r( addr, len, unix_family, &stack_host, unix_buffer,
|
|
unix_size, &unix_host, &locerr ) == ERANGE)
|
|
{
|
|
unix_size *= 2;
|
|
if (!(new_buffer = realloc( unix_buffer, unix_size )))
|
|
{
|
|
free( unix_buffer );
|
|
return WSAENOBUFS;
|
|
}
|
|
unix_buffer = new_buffer;
|
|
}
|
|
|
|
if (!unix_host)
|
|
return (locerr < 0 ? errno_from_unix( errno ) : host_errno_from_unix( locerr ));
|
|
|
|
ret = hostent_from_unix( unix_host, host, size );
|
|
|
|
free( unix_buffer );
|
|
return ret;
|
|
}
|
|
#else
|
|
pthread_mutex_lock( &host_mutex );
|
|
|
|
if (!(unix_host = gethostbyaddr( addr, len, unix_family )))
|
|
{
|
|
ret = (h_errno < 0 ? errno_from_unix( errno ) : host_errno_from_unix( h_errno ));
|
|
pthread_mutex_unlock( &host_mutex );
|
|
return ret;
|
|
}
|
|
|
|
ret = hostent_from_unix( unix_host, host, size );
|
|
|
|
pthread_mutex_unlock( &host_mutex );
|
|
return ret;
|
|
#endif
|
|
}
|
|
|
|
|
|
#ifdef HAVE_LINUX_GETHOSTBYNAME_R_6
|
|
static int CDECL unix_gethostbyname( const char *name, struct WS_hostent *const host, unsigned int *size )
|
|
{
|
|
struct hostent stack_host, *unix_host;
|
|
char *unix_buffer, *new_buffer;
|
|
int unix_size = 1024;
|
|
int locerr;
|
|
int ret;
|
|
|
|
if (!(unix_buffer = malloc( unix_size )))
|
|
return WSAENOBUFS;
|
|
|
|
while (gethostbyname_r( name, &stack_host, unix_buffer, unix_size, &unix_host, &locerr ) == ERANGE)
|
|
{
|
|
unix_size *= 2;
|
|
if (!(new_buffer = realloc( unix_buffer, unix_size )))
|
|
{
|
|
free( unix_buffer );
|
|
return WSAENOBUFS;
|
|
}
|
|
unix_buffer = new_buffer;
|
|
}
|
|
|
|
if (!unix_host)
|
|
return (locerr < 0 ? errno_from_unix( errno ) : host_errno_from_unix( locerr ));
|
|
|
|
ret = hostent_from_unix( unix_host, host, size );
|
|
|
|
free( unix_buffer );
|
|
return ret;
|
|
}
|
|
#else
|
|
static int CDECL unix_gethostbyname( const char *name, struct WS_hostent *const host, unsigned int *size )
|
|
{
|
|
struct hostent *unix_host;
|
|
int ret;
|
|
|
|
pthread_mutex_lock( &host_mutex );
|
|
|
|
if (!(unix_host = gethostbyname( name )))
|
|
{
|
|
ret = (h_errno < 0 ? errno_from_unix( errno ) : host_errno_from_unix( h_errno ));
|
|
pthread_mutex_unlock( &host_mutex );
|
|
return ret;
|
|
}
|
|
|
|
ret = hostent_from_unix( unix_host, host, size );
|
|
|
|
pthread_mutex_unlock( &host_mutex );
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
|
|
static const struct unix_funcs funcs =
|
|
{
|
|
unix_getaddrinfo,
|
|
unix_gethostbyaddr,
|
|
unix_gethostbyname,
|
|
};
|
|
|
|
NTSTATUS CDECL __wine_init_unix_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out )
|
|
{
|
|
if (reason != DLL_PROCESS_ATTACH) return STATUS_SUCCESS;
|
|
|
|
*(const struct unix_funcs **)ptr_out = &funcs;
|
|
return STATUS_SUCCESS;
|
|
}
|