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wine/dlls/ws2_32/protocol.c
Alexandre Julliard e20b1431a8 ws2_32: Use nameless union/structs.
2023-07-05 17:03:30 +02:00

2319 lines
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/*
* Protocol-level socket functions
*
* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
* Copyright (C) 2001 Stefan Leichter
* Copyright (C) 2004 Hans Leidekker
* Copyright (C) 2005 Marcus Meissner
* Copyright (C) 2006-2008 Kai Blin
*
* 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
*/
#include "ws2_32_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(winsock);
WINE_DECLARE_DEBUG_CHANNEL(winediag);
#define WS_CALL(func, params) WINE_UNIX_CALL( ws_unix_ ## func, params )
static char *get_fqdn(void)
{
char *ret;
DWORD size = 0;
GetComputerNameExA( ComputerNamePhysicalDnsFullyQualified, NULL, &size );
if (GetLastError() != ERROR_MORE_DATA) return NULL;
if (!(ret = malloc( size ))) return NULL;
if (!GetComputerNameExA( ComputerNamePhysicalDnsFullyQualified, ret, &size ))
{
free( ret );
return NULL;
}
return ret;
}
/* call Unix getaddrinfo, allocating a large enough buffer */
static int do_getaddrinfo( const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **info )
{
unsigned int size = 1024;
struct getaddrinfo_params params = { node, service, hints, NULL, &size };
int ret;
for (;;)
{
if (!(params.info = malloc( size )))
return WSA_NOT_ENOUGH_MEMORY;
if (!(ret = WS_CALL( getaddrinfo, &params )))
{
*info = params.info;
return ret;
}
free( params.info );
if (ret != ERROR_INSUFFICIENT_BUFFER) return ret;
}
}
static int dns_only_query( const char *node, const struct addrinfo *hints, struct addrinfo **result )
{
DNS_STATUS status;
DNS_RECORDA *rec = NULL, *rec6 = NULL, *ptr;
struct addrinfo *info, *next;
struct sockaddr_in *addr;
struct sockaddr_in6 *addr6;
ULONG count = 0;
if (hints->ai_family != AF_INET && hints->ai_family != AF_INET6 && hints->ai_family != AF_UNSPEC)
{
FIXME( "unsupported family %u\n", hints->ai_family );
return EAI_FAMILY;
}
if (hints->ai_family == AF_INET || hints->ai_family == AF_UNSPEC)
{
status = DnsQuery_A( node, DNS_TYPE_A, DNS_QUERY_NO_NETBT | DNS_QUERY_NO_MULTICAST, NULL, &rec, NULL );
if (status != ERROR_SUCCESS && status != DNS_ERROR_RCODE_NAME_ERROR) return EAI_FAIL;
}
if (hints->ai_family == AF_INET6 || hints->ai_family == AF_UNSPEC)
{
status = DnsQuery_A( node, DNS_TYPE_AAAA, DNS_QUERY_NO_NETBT | DNS_QUERY_NO_MULTICAST, NULL, &rec6, NULL );
if (status != ERROR_SUCCESS && status != DNS_ERROR_RCODE_NAME_ERROR)
{
DnsRecordListFree( (DNS_RECORD *)rec, DnsFreeRecordList );
return EAI_FAIL;
}
}
for (ptr = rec; ptr; ptr = ptr->pNext) { if (ptr->wType == DNS_TYPE_A) count++; };
for (ptr = rec6; ptr; ptr = ptr->pNext) { if (ptr->wType == DNS_TYPE_AAAA) count++; };
if (!count)
{
DnsRecordListFree( (DNS_RECORD *)rec, DnsFreeRecordList );
DnsRecordListFree( (DNS_RECORD *)rec6, DnsFreeRecordList );
return WSAHOST_NOT_FOUND;
}
if (!(info = calloc( count, sizeof(*info) + sizeof(SOCKADDR_STORAGE) )))
{
DnsRecordListFree( (DNS_RECORD *)rec, DnsFreeRecordList );
DnsRecordListFree( (DNS_RECORD *)rec6, DnsFreeRecordList );
return WSA_NOT_ENOUGH_MEMORY;
}
*result = info;
for (ptr = rec; ptr; ptr = ptr->pNext)
{
if (ptr->wType != DNS_TYPE_A) continue;
info->ai_family = AF_INET;
info->ai_socktype = hints->ai_socktype;
info->ai_protocol = hints->ai_protocol;
info->ai_addrlen = sizeof(struct sockaddr_in);
info->ai_addr = (struct sockaddr *)(info + 1);
addr = (struct sockaddr_in *)info->ai_addr;
addr->sin_family = info->ai_family;
addr->sin_addr.S_un.S_addr = ptr->Data.A.IpAddress;
next = (struct addrinfo *)((char *)info + sizeof(*info) + sizeof(SOCKADDR_STORAGE));
if (--count) info->ai_next = next;
info = next;
}
for (ptr = rec6; ptr; ptr = ptr->pNext)
{
if (ptr->wType != DNS_TYPE_AAAA) continue;
info->ai_family = AF_INET6;
info->ai_socktype = hints->ai_socktype;
info->ai_protocol = hints->ai_protocol;
info->ai_addrlen = sizeof(struct sockaddr_in6);
info->ai_addr = (struct sockaddr *)(info + 1);
addr6 = (struct sockaddr_in6 *)info->ai_addr;
addr6->sin6_family = info->ai_family;
memcpy( &addr6->sin6_addr, &ptr->Data.AAAA.Ip6Address, sizeof(addr6->sin6_addr) );
next = (struct addrinfo *)((char *)info + sizeof(*info) + sizeof(SOCKADDR_STORAGE));
if (--count) info->ai_next = next;
info = next;
}
DnsRecordListFree( (DNS_RECORD *)rec, DnsFreeRecordList );
DnsRecordListFree( (DNS_RECORD *)rec6, DnsFreeRecordList );
return 0;
}
/***********************************************************************
* getaddrinfo (ws2_32.@)
*/
int WINAPI getaddrinfo( const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **info )
{
char *nodev6 = NULL, *fqdn = NULL;
int ret;
TRACE( "node %s, service %s, hints %p\n", debugstr_a(node), debugstr_a(service), hints );
*info = NULL;
if (!node && !service)
{
SetLastError( WSAHOST_NOT_FOUND );
return WSAHOST_NOT_FOUND;
}
if (node)
{
if (!node[0])
{
if (!(fqdn = get_fqdn())) return WSA_NOT_ENOUGH_MEMORY;
node = fqdn;
}
else if (!service && hints && (hints->ai_flags == AI_DNS_ONLY || hints->ai_flags == (AI_ALL | AI_DNS_ONLY)))
{
ret = dns_only_query( node, hints, info );
goto done;
}
else if (!hints || hints->ai_family == AF_UNSPEC || hints->ai_family == AF_INET6)
{
/* [ipv6] or [ipv6]:portnumber are supported by Windows */
char *close_bracket;
if (node[0] == '[' && (close_bracket = strchr(node + 1, ']')))
{
if (!(nodev6 = malloc( close_bracket - node )))
return WSA_NOT_ENOUGH_MEMORY;
lstrcpynA( nodev6, node + 1, close_bracket - node );
node = nodev6;
}
}
}
ret = do_getaddrinfo( node, service, hints, info );
if (ret && (!hints || !(hints->ai_flags & AI_NUMERICHOST)) && node)
{
if (!fqdn && !(fqdn = get_fqdn()))
{
free( nodev6 );
return WSA_NOT_ENOUGH_MEMORY;
}
if (!strcmp( fqdn, node ) || (!strncmp( fqdn, node, strlen( node ) ) && fqdn[strlen( node )] == '.'))
{
/* If it didn't work it means the host name IP is not in /etc/hosts, try again
* by sending a NULL host and avoid sending a NULL servname too because that
* is invalid */
ERR_(winediag)( "Failed to resolve your host name IP\n" );
ret = do_getaddrinfo( NULL, service, hints, info );
if (!ret && hints && (hints->ai_flags & AI_CANONNAME) && *info && !(*info)->ai_canonname)
{
freeaddrinfo( *info );
*info = NULL;
return EAI_NONAME;
}
}
}
free( fqdn );
free( nodev6 );
done:
if (!ret && TRACE_ON(winsock))
{
struct addrinfo *ai;
for (ai = *info; ai != NULL; ai = ai->ai_next)
{
TRACE( "=> %p, flags %#x, family %d, type %d, protocol %d, len %Id, name %s, addr %s\n",
ai, ai->ai_flags, ai->ai_family, ai->ai_socktype, ai->ai_protocol, ai->ai_addrlen,
ai->ai_canonname, debugstr_sockaddr(ai->ai_addr) );
}
}
SetLastError( ret );
return ret;
}
static ADDRINFOEXW *addrinfo_AtoW( const struct addrinfo *ai )
{
ADDRINFOEXW *ret;
if (!(ret = malloc( sizeof(ADDRINFOEXW) ))) return NULL;
ret->ai_flags = ai->ai_flags;
ret->ai_family = ai->ai_family;
ret->ai_socktype = ai->ai_socktype;
ret->ai_protocol = ai->ai_protocol;
ret->ai_addrlen = ai->ai_addrlen;
ret->ai_canonname = NULL;
ret->ai_addr = NULL;
ret->ai_blob = NULL;
ret->ai_bloblen = 0;
ret->ai_provider = NULL;
ret->ai_next = NULL;
if (ai->ai_canonname)
{
int len = MultiByteToWideChar( CP_ACP, 0, ai->ai_canonname, -1, NULL, 0 );
if (!(ret->ai_canonname = malloc( len * sizeof(WCHAR) )))
{
free( ret );
return NULL;
}
MultiByteToWideChar( CP_ACP, 0, ai->ai_canonname, -1, ret->ai_canonname, len );
}
if (ai->ai_addr)
{
if (!(ret->ai_addr = malloc( ai->ai_addrlen )))
{
free( ret->ai_canonname );
free( ret );
return NULL;
}
memcpy( ret->ai_addr, ai->ai_addr, ai->ai_addrlen );
}
return ret;
}
static ADDRINFOEXW *addrinfo_list_AtoW( const struct addrinfo *info )
{
ADDRINFOEXW *ret, *infoW;
if (!(ret = infoW = addrinfo_AtoW( info ))) return NULL;
while (info->ai_next)
{
if (!(infoW->ai_next = addrinfo_AtoW( info->ai_next )))
{
FreeAddrInfoExW( ret );
return NULL;
}
infoW = infoW->ai_next;
info = info->ai_next;
}
return ret;
}
static struct addrinfo *addrinfo_WtoA( const struct addrinfoW *ai )
{
struct addrinfo *ret;
if (!(ret = malloc( sizeof(struct addrinfo) ))) return NULL;
ret->ai_flags = ai->ai_flags;
ret->ai_family = ai->ai_family;
ret->ai_socktype = ai->ai_socktype;
ret->ai_protocol = ai->ai_protocol;
ret->ai_addrlen = ai->ai_addrlen;
ret->ai_canonname = NULL;
ret->ai_addr = NULL;
ret->ai_next = NULL;
if (ai->ai_canonname)
{
int len = WideCharToMultiByte( CP_ACP, 0, ai->ai_canonname, -1, NULL, 0, NULL, NULL );
if (!(ret->ai_canonname = malloc( len )))
{
free( ret );
return NULL;
}
WideCharToMultiByte( CP_ACP, 0, ai->ai_canonname, -1, ret->ai_canonname, len, NULL, NULL );
}
if (ai->ai_addr)
{
if (!(ret->ai_addr = malloc( sizeof(struct sockaddr) )))
{
free( ret->ai_canonname );
free( ret );
return NULL;
}
memcpy( ret->ai_addr, ai->ai_addr, sizeof(struct sockaddr) );
}
return ret;
}
struct getaddrinfo_args
{
OVERLAPPED *overlapped;
LPLOOKUPSERVICE_COMPLETION_ROUTINE completion_routine;
ADDRINFOEXW **result;
char *nodename;
char *servname;
struct addrinfo *hints;
};
static void WINAPI getaddrinfo_callback(TP_CALLBACK_INSTANCE *instance, void *context)
{
struct getaddrinfo_args *args = context;
OVERLAPPED *overlapped = args->overlapped;
HANDLE event = overlapped->hEvent;
LPLOOKUPSERVICE_COMPLETION_ROUTINE completion_routine = args->completion_routine;
struct addrinfo *res;
int ret;
ret = getaddrinfo( args->nodename, args->servname, args->hints, &res );
if (res)
{
*args->result = addrinfo_list_AtoW(res);
overlapped->Pointer = args->result;
freeaddrinfo(res);
}
free( args->nodename );
free( args->servname );
free( args );
overlapped->Internal = ret;
if (completion_routine) completion_routine( ret, 0, overlapped );
if (event) SetEvent( event );
}
static int getaddrinfoW( const WCHAR *nodename, const WCHAR *servname,
const struct addrinfo *hints, ADDRINFOEXW **res, OVERLAPPED *overlapped,
LPLOOKUPSERVICE_COMPLETION_ROUTINE completion_routine )
{
int ret = EAI_MEMORY, len, i;
char *nodenameA = NULL, *servnameA = NULL;
struct addrinfo *resA;
WCHAR *local_nodenameW = (WCHAR *)nodename;
*res = NULL;
if (nodename)
{
/* Is this an IDN? Most likely if any char is above the Ascii table, this
* is the simplest validation possible, further validation will be done by
* the native getaddrinfo() */
for (i = 0; nodename[i]; i++)
{
if (nodename[i] > 'z')
break;
}
if (nodename[i])
{
if (hints && (hints->ai_flags & AI_DISABLE_IDN_ENCODING))
{
/* Name requires conversion but it was disabled */
ret = WSAHOST_NOT_FOUND;
SetLastError( ret );
goto end;
}
len = IdnToAscii( 0, nodename, -1, NULL, 0 );
if (!len)
{
ERR("Failed to convert %s to punycode\n", debugstr_w(nodename));
ret = EAI_FAIL;
goto end;
}
if (!(local_nodenameW = malloc( len * sizeof(WCHAR) ))) goto end;
IdnToAscii( 0, nodename, -1, local_nodenameW, len );
}
}
if (local_nodenameW)
{
len = WideCharToMultiByte( CP_ACP, 0, local_nodenameW, -1, NULL, 0, NULL, NULL );
if (!(nodenameA = malloc( len ))) goto end;
WideCharToMultiByte( CP_ACP, 0, local_nodenameW, -1, nodenameA, len, NULL, NULL );
}
if (servname)
{
len = WideCharToMultiByte( CP_ACP, 0, servname, -1, NULL, 0, NULL, NULL );
if (!(servnameA = malloc( len ))) goto end;
WideCharToMultiByte( CP_ACP, 0, servname, -1, servnameA, len, NULL, NULL );
}
if (overlapped)
{
struct getaddrinfo_args *args;
if (overlapped->hEvent && completion_routine)
{
ret = WSAEINVAL;
goto end;
}
if (!(args = malloc( sizeof(*args) + sizeof(*args->hints) ))) goto end;
args->overlapped = overlapped;
args->completion_routine = completion_routine;
args->result = res;
args->nodename = nodenameA;
args->servname = servnameA;
if (hints)
{
args->hints = (struct addrinfo *)(args + 1);
args->hints->ai_flags = hints->ai_flags;
args->hints->ai_family = hints->ai_family;
args->hints->ai_socktype = hints->ai_socktype;
args->hints->ai_protocol = hints->ai_protocol;
}
else args->hints = NULL;
overlapped->Internal = WSAEINPROGRESS;
if (!TrySubmitThreadpoolCallback( getaddrinfo_callback, args, NULL ))
{
free( args );
ret = GetLastError();
goto end;
}
if (local_nodenameW != nodename)
free( local_nodenameW );
SetLastError( ERROR_IO_PENDING );
return ERROR_IO_PENDING;
}
ret = getaddrinfo( nodenameA, servnameA, hints, &resA );
if (!ret)
{
*res = addrinfo_list_AtoW( resA );
freeaddrinfo( resA );
}
end:
if (local_nodenameW != nodename)
free( local_nodenameW );
free( nodenameA );
free( servnameA );
return ret;
}
/***********************************************************************
* GetAddrInfoExW (ws2_32.@)
*/
int WINAPI GetAddrInfoExW( const WCHAR *name, const WCHAR *servname, DWORD namespace,
GUID *namespace_id, const ADDRINFOEXW *hints, ADDRINFOEXW **result,
struct timeval *timeout, OVERLAPPED *overlapped,
LPLOOKUPSERVICE_COMPLETION_ROUTINE completion_routine, HANDLE *handle )
{
int ret;
TRACE( "name %s, servname %s, namespace %lu, namespace_id %s)\n",
debugstr_w(name), debugstr_w(servname), namespace, debugstr_guid(namespace_id) );
if (namespace != NS_DNS)
FIXME( "Unsupported namespace %lu\n", namespace );
if (namespace_id)
FIXME( "Unsupported namespace_id %s\n", debugstr_guid(namespace_id) );
if (timeout)
FIXME( "Unsupported timeout\n" );
if (handle)
FIXME( "Unsupported cancel handle\n" );
ret = getaddrinfoW( name, servname, (struct addrinfo *)hints, result, overlapped, completion_routine );
if (ret) return ret;
if (handle) *handle = (HANDLE)0xdeadbeef;
return 0;
}
/***********************************************************************
* GetAddrInfoExOverlappedResult (ws2_32.@)
*/
int WINAPI GetAddrInfoExOverlappedResult( OVERLAPPED *overlapped )
{
TRACE( "(%p)\n", overlapped );
if (!overlapped)
return WSAEINVAL;
return overlapped->Internal;
}
/***********************************************************************
* GetAddrInfoExCancel (ws2_32.@)
*/
int WINAPI GetAddrInfoExCancel( HANDLE *handle )
{
FIXME( "(%p)\n", handle );
return WSA_INVALID_HANDLE;
}
/***********************************************************************
* GetAddrInfoW (ws2_32.@)
*/
int WINAPI GetAddrInfoW(const WCHAR *nodename, const WCHAR *servname, const ADDRINFOW *hints, ADDRINFOW **res)
{
struct addrinfo *hintsA = NULL;
ADDRINFOEXW *resex;
int ret = EAI_MEMORY;
TRACE( "nodename %s, servname %s, hints %p, result %p\n",
debugstr_w(nodename), debugstr_w(servname), hints, res );
*res = NULL;
if (hints) hintsA = addrinfo_WtoA( hints );
ret = getaddrinfoW( nodename, servname, hintsA, &resex, NULL, NULL );
freeaddrinfo( hintsA );
if (ret) return ret;
if (resex)
{
/* ADDRINFOEXW has a layout compatible with ADDRINFOW except for the
* ai_next field, so we may convert it in place */
*res = (ADDRINFOW *)resex;
do
{
((ADDRINFOW *)resex)->ai_next = (ADDRINFOW *)resex->ai_next;
resex = resex->ai_next;
} while (resex);
}
return 0;
}
/***********************************************************************
* freeaddrinfo (ws2_32.@)
*/
void WINAPI freeaddrinfo( struct addrinfo *info )
{
TRACE( "%p\n", info );
free( info );
}
/***********************************************************************
* FreeAddrInfoW (ws2_32.@)
*/
void WINAPI FreeAddrInfoW( ADDRINFOW *ai )
{
while (ai)
{
ADDRINFOW *next;
free( ai->ai_canonname );
free( ai->ai_addr );
next = ai->ai_next;
free( ai );
ai = next;
}
}
/***********************************************************************
* FreeAddrInfoEx (ws2_32.@)
*/
void WINAPI FreeAddrInfoEx( ADDRINFOEXA *ai )
{
TRACE( "(%p)\n", ai );
while (ai)
{
ADDRINFOEXA *next;
free( ai->ai_canonname );
free( ai->ai_addr );
next = ai->ai_next;
free( ai );
ai = next;
}
}
/***********************************************************************
* FreeAddrInfoExW (ws2_32.@)
*/
void WINAPI FreeAddrInfoExW( ADDRINFOEXW *ai )
{
TRACE( "(%p)\n", ai );
while (ai)
{
ADDRINFOEXW *next;
free( ai->ai_canonname );
free( ai->ai_addr );
next = ai->ai_next;
free( ai );
ai = next;
}
}
/***********************************************************************
* getnameinfo (ws2_32.@)
*/
int WINAPI getnameinfo( const SOCKADDR *addr, socklen_t addr_len, char *host,
DWORD host_len, char *serv, DWORD serv_len, int flags )
{
struct getnameinfo_params params = { addr, addr_len, host, host_len, serv, serv_len, flags };
TRACE( "addr %s, addr_len %d, host %p, host_len %lu, serv %p, serv_len %lu, flags %#x\n",
debugstr_sockaddr(addr), addr_len, host, host_len, serv, serv_len, flags );
return WS_CALL( getnameinfo, &params );
}
/***********************************************************************
* GetNameInfoW (ws2_32.@)
*/
int WINAPI GetNameInfoW( const SOCKADDR *addr, socklen_t addr_len, WCHAR *host,
DWORD host_len, WCHAR *serv, DWORD serv_len, int flags )
{
int ret;
char *hostA = NULL, *servA = NULL;
if (host && !(hostA = malloc( host_len )))
return EAI_MEMORY;
if (serv && !(servA = malloc( serv_len )))
{
free( hostA );
return EAI_MEMORY;
}
ret = getnameinfo( addr, addr_len, hostA, host_len, servA, serv_len, flags );
if (!ret)
{
if (host) MultiByteToWideChar( CP_ACP, 0, hostA, -1, host, host_len );
if (serv) MultiByteToWideChar( CP_ACP, 0, servA, -1, serv, serv_len );
}
free( hostA );
free( servA );
return ret;
}
static struct hostent *get_hostent_buffer( unsigned int size )
{
struct per_thread_data *data = get_per_thread_data();
struct hostent *new_buffer;
if (data->he_len < size)
{
if (!(new_buffer = realloc( data->he_buffer, size )))
{
SetLastError( WSAENOBUFS );
return NULL;
}
data->he_buffer = new_buffer;
data->he_len = size;
}
return data->he_buffer;
}
/* create a hostent entry
*
* Creates the entry with enough memory for the name, aliases
* addresses, and the address pointers. Also copies the name
* and sets up all the pointers.
*
* NOTE: The alias and address lists must be allocated with room
* for the NULL item terminating the list. This is true even if
* the list has no items ("aliases" and "addresses" must be
* at least "1", a truly empty list is invalid).
*/
static struct hostent *create_hostent( char *name, int alias_count, int aliases_size,
int address_count, int address_length )
{
struct hostent *p_to;
char *p;
unsigned int size = sizeof(struct hostent), i;
size += strlen(name) + 1;
size += alias_count * sizeof(char *);
size += aliases_size;
size += address_count * sizeof(char *);
size += (address_count - 1) * address_length;
if (!(p_to = get_hostent_buffer( size ))) return NULL;
memset( p_to, 0, size );
/* Use the memory in the same way winsock does.
* First set the pointer for aliases, second set the pointers for addresses.
* Third fill the addresses indexes, fourth jump aliases names size.
* Fifth fill the hostname.
* NOTE: This method is valid for OS versions >= XP.
*/
p = (char *)(p_to + 1);
p_to->h_aliases = (char **)p;
p += alias_count * sizeof(char *);
p_to->h_addr_list = (char **)p;
p += address_count * sizeof(char *);
for (i = 0, address_count--; i < address_count; i++, p += address_length)
p_to->h_addr_list[i] = p;
/* h_aliases must be filled in manually because we don't know each string
* size. Leave these pointers NULL (already set to NULL by memset earlier).
*/
p += aliases_size;
p_to->h_name = p;
strcpy( p, name );
return p_to;
}
/***********************************************************************
* gethostbyaddr (ws2_32.51)
*/
struct hostent * WINAPI gethostbyaddr( const char *addr, int len, int family )
{
unsigned int size = 1024;
struct gethostbyaddr_params params = { addr, len, family, NULL, &size };
int ret;
for (;;)
{
if (!(params.host = get_hostent_buffer( size )))
return NULL;
if ((ret = WS_CALL( gethostbyaddr, &params )) != ERROR_INSUFFICIENT_BUFFER)
break;
}
SetLastError( ret );
return ret ? NULL : params.host;
}
struct route
{
struct in_addr addr;
IF_INDEX interface;
DWORD metric, default_route;
};
static int __cdecl compare_routes_by_metric_asc( const void *left, const void *right )
{
const struct route *a = left, *b = right;
if (a->default_route && b->default_route)
return a->default_route - b->default_route;
if (a->default_route && !b->default_route)
return -1;
if (b->default_route && !a->default_route)
return 1;
return a->metric - b->metric;
}
/* Returns the list of local IP addresses by going through the network
* adapters and using the local routing table to sort the addresses
* from highest routing priority to lowest routing priority. This
* functionality is inferred from the description for obtaining local
* IP addresses given in the Knowledge Base Article Q160215.
*
* Please note that the returned hostent is only freed when the thread
* closes and is replaced if another hostent is requested.
*/
static struct hostent *get_local_ips( char *hostname )
{
int numroutes = 0, i, j, default_routes = 0;
IP_ADAPTER_INFO *adapters = NULL, *k;
struct hostent *hostlist = NULL;
MIB_IPFORWARDTABLE *routes = NULL;
struct route *route_addrs = NULL, *new_route_addrs;
DWORD adap_size, route_size, n;
/* Obtain the size of the adapter list and routing table, also allocate memory */
if (GetAdaptersInfo( NULL, &adap_size ) != ERROR_BUFFER_OVERFLOW)
return NULL;
if (GetIpForwardTable( NULL, &route_size, FALSE ) != ERROR_INSUFFICIENT_BUFFER)
return NULL;
adapters = malloc( adap_size );
routes = malloc( route_size );
if (!adapters || !routes)
goto cleanup;
/* Obtain the adapter list and the full routing table */
if (GetAdaptersInfo( adapters, &adap_size ) != NO_ERROR)
goto cleanup;
if (GetIpForwardTable( routes, &route_size, FALSE ) != NO_ERROR)
goto cleanup;
/* Store the interface associated with each route */
for (n = 0; n < routes->dwNumEntries; n++)
{
IF_INDEX ifindex;
DWORD ifmetric, ifdefault = 0;
BOOL exists = FALSE;
/* Check if this is a default route (there may be more than one) */
if (!routes->table[n].dwForwardDest)
ifdefault = ++default_routes;
else if (routes->table[n].ForwardType != MIB_IPROUTE_TYPE_DIRECT)
continue;
ifindex = routes->table[n].dwForwardIfIndex;
ifmetric = routes->table[n].dwForwardMetric1;
/* Only store the lowest valued metric for an interface */
for (j = 0; j < numroutes; j++)
{
if (route_addrs[j].interface == ifindex)
{
if (route_addrs[j].metric > ifmetric)
route_addrs[j].metric = ifmetric;
exists = TRUE;
}
}
if (exists)
continue;
new_route_addrs = realloc( route_addrs, (numroutes + 1) * sizeof(struct route) );
if (!new_route_addrs)
goto cleanup;
route_addrs = new_route_addrs;
route_addrs[numroutes].interface = ifindex;
route_addrs[numroutes].metric = ifmetric;
route_addrs[numroutes].default_route = ifdefault;
/* If no IP is found in the next step (for whatever reason)
* then fall back to the magic loopback address.
*/
memcpy( &route_addrs[numroutes].addr.s_addr, magic_loopback_addr, 4 );
numroutes++;
}
if (numroutes == 0)
goto cleanup; /* No routes, fall back to the Magic IP */
/* Find the IP address associated with each found interface */
for (i = 0; i < numroutes; i++)
{
for (k = adapters; k != NULL; k = k->Next)
{
char *ip = k->IpAddressList.IpAddress.String;
if (route_addrs[i].interface == k->Index)
route_addrs[i].addr.s_addr = inet_addr(ip);
}
}
/* Allocate a hostent and enough memory for all the IPs,
* including the NULL at the end of the list.
*/
hostlist = create_hostent( hostname, 1, 0, numroutes+1, sizeof(struct in_addr) );
if (hostlist == NULL)
goto cleanup;
hostlist->h_addr_list[numroutes] = NULL;
hostlist->h_aliases[0] = NULL;
hostlist->h_addrtype = AF_INET;
hostlist->h_length = sizeof(struct in_addr);
/* Reorder the entries before placing them in the host list. Windows expects
* the IP list in order from highest priority to lowest (the critical thing
* is that most applications expect the first IP to be the default route).
*/
if (numroutes > 1)
qsort( route_addrs, numroutes, sizeof(struct route), compare_routes_by_metric_asc );
for (i = 0; i < numroutes; i++)
*(struct in_addr *)hostlist->h_addr_list[i] = route_addrs[i].addr;
cleanup:
free( route_addrs );
free( adapters );
free( routes );
return hostlist;
}
/***********************************************************************
* gethostbyname (ws2_32.52)
*/
struct hostent * WINAPI gethostbyname( const char *name )
{
struct hostent *host = NULL;
char hostname[100];
struct gethostname_params params = { hostname, sizeof(hostname) };
int ret;
TRACE( "%s\n", debugstr_a(name) );
if (!num_startup)
{
SetLastError( WSANOTINITIALISED );
return NULL;
}
if ((ret = WS_CALL( gethostname, &params )))
{
SetLastError( ret );
return NULL;
}
if (!name || !name[0])
name = hostname;
/* If the hostname of the local machine is requested then return the
* complete list of local IP addresses */
if (!strcmp( name, hostname ))
host = get_local_ips( hostname );
/* If any other hostname was requested (or the routing table lookup failed)
* then return the IP found by the host OS */
if (!host)
{
unsigned int size = 1024;
struct gethostbyname_params params = { name, NULL, &size };
int ret;
for (;;)
{
if (!(params.host = get_hostent_buffer( size )))
return NULL;
if ((ret = WS_CALL( gethostbyname, &params )) != ERROR_INSUFFICIENT_BUFFER)
break;
}
SetLastError( ret );
return ret ? NULL : params.host;
}
if (host && host->h_addr_list[0][0] == 127 && strcmp( name, "localhost" ))
{
/* hostname != "localhost" but has loopback address. replace by our
* special address.*/
memcpy( host->h_addr_list[0], magic_loopback_addr, 4 );
}
return host;
}
/***********************************************************************
* gethostname (ws2_32.57)
*/
int WINAPI gethostname( char *name, int namelen )
{
char buf[256];
struct gethostname_params params = { buf, sizeof(buf) };
int len, ret;
TRACE( "name %p, len %d\n", name, namelen );
if (!name)
{
SetLastError( WSAEFAULT );
return -1;
}
if ((ret = WS_CALL( gethostname, &params )))
{
SetLastError( ret );
return -1;
}
TRACE( "<- %s\n", debugstr_a(buf) );
len = strlen( buf );
if (len > 15)
WARN( "Windows supports NetBIOS name length up to 15 bytes!\n" );
if (namelen <= len)
{
SetLastError( WSAEFAULT );
return -1;
}
strcpy( name, buf );
return 0;
}
/***********************************************************************
* GetHostNameW (ws2_32.@)
*/
int WINAPI GetHostNameW( WCHAR *name, int namelen )
{
char buf[256];
struct gethostname_params params = { buf, sizeof(buf) };
int ret;
TRACE( "name %p, len %d\n", name, namelen );
if (!name)
{
SetLastError( WSAEFAULT );
return -1;
}
if ((ret = WS_CALL( gethostname, &params )))
{
SetLastError( ret );
return -1;
}
if (MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 ) > namelen)
{
SetLastError( WSAEFAULT );
return -1;
}
MultiByteToWideChar( CP_ACP, 0, buf, -1, name, namelen );
return 0;
}
static char *read_etc_file( const WCHAR *filename, DWORD *ret_size )
{
WCHAR path[MAX_PATH];
DWORD size = sizeof(path);
HANDLE file;
char *data;
LONG ret;
if ((ret = RegGetValueW( HKEY_LOCAL_MACHINE, L"System\\CurrentControlSet\\Services\\tcpip\\Parameters",
L"DatabasePath", RRF_RT_REG_SZ, NULL, path, &size )))
{
ERR( "failed to get database path, error %lu\n", ret );
return NULL;
}
wcscat( path, L"\\" );
wcscat( path, filename );
file = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
if (file == INVALID_HANDLE_VALUE)
{
ERR( "failed to open %s, error %lu\n", debugstr_w( path ), GetLastError() );
return NULL;
}
size = GetFileSize( file, NULL );
if (!(data = malloc( size )) || !ReadFile( file, data, size, ret_size, NULL ))
{
WARN( "failed to read file, error %lu\n", GetLastError() );
free( data );
data = NULL;
}
CloseHandle( file );
return data;
}
/* returns "end" if there was no space */
static char *next_space( const char *p, const char *end )
{
while (p < end && !isspace( *p ))
++p;
return (char *)p;
}
/* returns "end" if there was no non-space */
static char *next_non_space( const char *p, const char *end )
{
while (p < end && isspace( *p ))
++p;
return (char *)p;
}
static struct protoent *get_protoent_buffer( unsigned int size )
{
struct per_thread_data *data = get_per_thread_data();
struct protoent *new_buffer;
if (data->pe_len < size)
{
if (!(new_buffer = realloc( data->pe_buffer, size )))
{
SetLastError( WSAENOBUFS );
return NULL;
}
data->pe_buffer = new_buffer;
data->pe_len = size;
}
return data->pe_buffer;
}
/* Parse the first valid line into a protoent structure, returning NULL if
* there is no valid line. Updates cursor to point to the start of the next
* line or the end of the file. */
static struct protoent *get_next_protocol( const char **cursor, const char *end )
{
const char *p = *cursor;
while (p < end)
{
const char *line_end, *next_line;
size_t needed_size, line_len;
unsigned int alias_count = 0;
struct protoent *proto;
const char *name;
int number;
char *q;
for (line_end = p; line_end < end && *line_end != '\n' && *line_end != '#'; ++line_end)
;
TRACE( "parsing line %s\n", debugstr_an(p, line_end - p) );
for (next_line = line_end; next_line < end && *next_line != '\n'; ++next_line)
;
if (next_line < end)
++next_line; /* skip over the newline */
p = next_non_space( p, line_end );
if (p == line_end)
{
p = next_line;
continue;
}
/* parse the name */
name = p;
line_len = line_end - name;
p = next_space( p, line_end );
if (p == line_end)
{
p = next_line;
continue;
}
p = next_non_space( p, line_end );
/* parse the number */
number = atoi( p );
p = next_space( p, line_end );
p = next_non_space( p, line_end );
/* we will copy the entire line after the protoent structure, then
* replace spaces with null bytes as necessary */
while (p < line_end)
{
++alias_count;
p = next_space( p, line_end );
p = next_non_space( p, line_end );
}
needed_size = sizeof(*proto) + line_len + 1 + (alias_count + 1) * sizeof(char *);
if (!(proto = get_protoent_buffer( needed_size )))
{
SetLastError( WSAENOBUFS );
return NULL;
}
proto->p_proto = number;
proto->p_aliases = (char **)(proto + 1);
proto->p_name = (char *)(proto->p_aliases + alias_count + 1);
memcpy( proto->p_name, name, line_len );
proto->p_name[line_len] = 0;
line_end = proto->p_name + line_len;
q = proto->p_name;
q = next_space( q, line_end );
*q++ = 0;
q = next_non_space( q, line_end );
/* skip over the number */
q = next_space( q, line_end );
q = next_non_space( q, line_end );
alias_count = 0;
while (q < line_end)
{
proto->p_aliases[alias_count++] = q;
q = next_space( q, line_end );
if (q < line_end) *q++ = 0;
q = next_non_space( q, line_end );
}
proto->p_aliases[alias_count] = NULL;
*cursor = next_line;
return proto;
}
SetLastError( WSANO_DATA );
return NULL;
}
/***********************************************************************
* getprotobyname (ws2_32.53)
*/
struct protoent * WINAPI getprotobyname( const char *name )
{
struct protoent *proto;
const char *cursor;
char *file;
DWORD size;
TRACE( "%s\n", debugstr_a(name) );
if (!(file = read_etc_file( L"protocol", &size )))
{
SetLastError( WSANO_DATA );
return NULL;
}
cursor = file;
while ((proto = get_next_protocol( &cursor, file + size )))
{
if (!strcasecmp( proto->p_name, name ))
break;
}
free( file );
return proto;
}
/***********************************************************************
* getprotobynumber (ws2_32.54)
*/
struct protoent * WINAPI getprotobynumber( int number )
{
struct protoent *proto;
const char *cursor;
char *file;
DWORD size;
TRACE( "%d\n", number );
if (!(file = read_etc_file( L"protocol", &size )))
{
SetLastError( WSANO_DATA );
return NULL;
}
cursor = file;
while ((proto = get_next_protocol( &cursor, file + size )))
{
if (proto->p_proto == number)
break;
}
free( file );
return proto;
}
static struct servent *get_servent_buffer( int size )
{
struct per_thread_data *data = get_per_thread_data();
struct servent *new_buffer;
if (data->se_len < size)
{
if (!(new_buffer = realloc( data->se_buffer, size )))
{
SetLastError( WSAENOBUFS );
return NULL;
}
data->se_buffer = new_buffer;
data->se_len = size;
}
return data->se_buffer;
}
/* Parse the first valid line into a servent structure, returning NULL if
* there is no valid line. Updates cursor to point to the start of the next
* line or the end of the file. */
static struct servent *get_next_service( const char **cursor, const char *end )
{
const char *p = *cursor;
while (p < end)
{
const char *line_end, *next_line;
size_t needed_size, line_len;
unsigned int alias_count = 0;
struct servent *serv;
const char *name;
int port;
char *q;
for (line_end = p; line_end < end && *line_end != '\n' && *line_end != '#'; ++line_end)
;
TRACE( "parsing line %s\n", debugstr_an(p, line_end - p) );
for (next_line = line_end; next_line < end && *next_line != '\n'; ++next_line)
;
if (next_line < end)
++next_line; /* skip over the newline */
p = next_non_space( p, line_end );
if (p == line_end)
{
p = next_line;
continue;
}
/* parse the name */
name = p;
line_len = line_end - name;
p = next_space( p, line_end );
if (p == line_end)
{
p = next_line;
continue;
}
p = next_non_space( p, line_end );
/* parse the port */
port = atoi( p );
p = memchr( p, '/', line_end - p );
if (!p)
{
p = next_line;
continue;
}
p = next_space( p, line_end );
p = next_non_space( p, line_end );
/* we will copy the entire line after the servent structure, then
* replace spaces with null bytes as necessary */
while (p < line_end)
{
++alias_count;
p = next_space( p, line_end );
p = next_non_space( p, line_end );
}
needed_size = sizeof(*serv) + line_len + 1 + (alias_count + 1) * sizeof(char *);
if (!(serv = get_servent_buffer( needed_size )))
{
SetLastError( WSAENOBUFS );
return NULL;
}
serv->s_port = htons( port );
serv->s_aliases = (char **)(serv + 1);
serv->s_name = (char *)(serv->s_aliases + alias_count + 1);
memcpy( serv->s_name, name, line_len );
serv->s_name[line_len] = 0;
line_end = serv->s_name + line_len;
q = serv->s_name;
q = next_space( q, line_end );
*q++ = 0;
q = next_non_space( q, line_end );
/* skip over the number */
q = memchr( q, '/', line_end - q );
serv->s_proto = ++q;
q = next_space( q, line_end );
if (q < line_end) *q++ = 0;
q = next_non_space( q, line_end );
alias_count = 0;
while (q < line_end)
{
serv->s_aliases[alias_count++] = q;
q = next_space( q, line_end );
if (q < line_end) *q++ = 0;
q = next_non_space( q, line_end );
}
serv->s_aliases[alias_count] = NULL;
*cursor = next_line;
return serv;
}
SetLastError( WSANO_DATA );
return NULL;
}
/***********************************************************************
* getservbyname (ws2_32.55)
*/
struct servent * WINAPI getservbyname( const char *name, const char *proto )
{
struct servent *serv;
const char *cursor;
char *file;
DWORD size;
TRACE( "name %s, proto %s\n", debugstr_a(name), debugstr_a(proto) );
if (!(file = read_etc_file( L"services", &size )))
{
SetLastError( WSANO_DATA );
return NULL;
}
cursor = file;
while ((serv = get_next_service( &cursor, file + size )))
{
if (!strcasecmp( serv->s_name, name ) && (!proto || !strcasecmp( serv->s_proto, proto )))
break;
}
free( file );
return serv;
}
/***********************************************************************
* getservbyport (ws2_32.56)
*/
struct servent * WINAPI getservbyport( int port, const char *proto )
{
struct servent *serv;
const char *cursor;
char *file;
DWORD size;
TRACE( "port %d, proto %s\n", port, debugstr_a(proto) );
if (!(file = read_etc_file( L"services", &size )))
{
SetLastError( WSANO_DATA );
return NULL;
}
cursor = file;
while ((serv = get_next_service( &cursor, file + size )))
{
if (serv->s_port == port && (!proto || !strcasecmp( serv->s_proto, proto )))
break;
}
free( file );
return serv;
}
/***********************************************************************
* inet_ntoa (ws2_32.12)
*/
char * WINAPI inet_ntoa( struct in_addr in )
{
unsigned int long_ip = ntohl( in.s_addr );
struct per_thread_data *data = get_per_thread_data();
sprintf( data->ntoa_buffer, "%u.%u.%u.%u",
(long_ip >> 24) & 0xff,
(long_ip >> 16) & 0xff,
(long_ip >> 8) & 0xff,
long_ip & 0xff );
return data->ntoa_buffer;
}
/***********************************************************************
* inet_ntop (ws2_32.@)
*/
const char * WINAPI inet_ntop( int family, void *addr, char *buffer, SIZE_T len )
{
NTSTATUS status;
ULONG size = min( len, (ULONG)-1 );
TRACE( "family %d, addr %p, buffer %p, len %Id\n", family, addr, buffer, len );
if (!buffer)
{
SetLastError( STATUS_INVALID_PARAMETER );
return NULL;
}
switch (family)
{
case AF_INET:
{
status = RtlIpv4AddressToStringExA( (IN_ADDR *)addr, 0, buffer, &size );
break;
}
case AF_INET6:
{
status = RtlIpv6AddressToStringExA( (IN6_ADDR *)addr, 0, 0, buffer, &size );
break;
}
default:
SetLastError( WSAEAFNOSUPPORT );
return NULL;
}
if (status == STATUS_SUCCESS) return buffer;
SetLastError( STATUS_INVALID_PARAMETER );
return NULL;
}
/***********************************************************************
* inet_pton (ws2_32.@)
*/
int WINAPI inet_pton( int family, const char *addr, void *buffer )
{
NTSTATUS status;
const char *terminator;
TRACE( "family %d, addr %s, buffer %p\n", family, debugstr_a(addr), buffer );
if (!addr || !buffer)
{
SetLastError( WSAEFAULT );
return -1;
}
switch (family)
{
case AF_INET:
status = RtlIpv4StringToAddressA(addr, TRUE, &terminator, buffer);
break;
case AF_INET6:
status = RtlIpv6StringToAddressA(addr, &terminator, buffer);
break;
default:
SetLastError( WSAEAFNOSUPPORT );
return -1;
}
return (status == STATUS_SUCCESS && *terminator == 0);
}
/***********************************************************************
* InetPtonW (ws2_32.@)
*/
int WINAPI InetPtonW( int family, const WCHAR *addr, void *buffer )
{
char *addrA;
int len;
INT ret;
TRACE( "family %d, addr %s, buffer %p\n", family, debugstr_w(addr), buffer );
if (!addr)
{
SetLastError(WSAEFAULT);
return SOCKET_ERROR;
}
len = WideCharToMultiByte( CP_ACP, 0, addr, -1, NULL, 0, NULL, NULL );
if (!(addrA = malloc( len )))
{
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
WideCharToMultiByte( CP_ACP, 0, addr, -1, addrA, len, NULL, NULL );
ret = inet_pton( family, addrA, buffer );
if (!ret) SetLastError( WSAEINVAL );
free( addrA );
return ret;
}
/***********************************************************************
* InetNtopW (ws2_32.@)
*/
const WCHAR * WINAPI InetNtopW( int family, void *addr, WCHAR *buffer, SIZE_T len )
{
char bufferA[INET6_ADDRSTRLEN];
PWSTR ret = NULL;
TRACE( "family %d, addr %p, buffer %p, len %Iu\n", family, addr, buffer, len );
if (inet_ntop( family, addr, bufferA, sizeof(bufferA) ))
{
if (MultiByteToWideChar( CP_ACP, 0, bufferA, -1, buffer, len ))
ret = buffer;
else
SetLastError( ERROR_INVALID_PARAMETER );
}
return ret;
}
/***********************************************************************
* WSAStringToAddressA (ws2_32.@)
*/
int WINAPI WSAStringToAddressA( char *string, int family, WSAPROTOCOL_INFOA *protocol_info,
struct sockaddr *addr, int *addr_len )
{
NTSTATUS status;
TRACE( "string %s, family %u\n", debugstr_a(string), family );
if (!addr || !addr_len) return -1;
if (!string)
{
SetLastError( WSAEINVAL );
return -1;
}
if (protocol_info)
FIXME( "ignoring protocol_info\n" );
switch (family)
{
case AF_INET:
{
struct sockaddr_in *addr4 = (struct sockaddr_in *)addr;
if (*addr_len < sizeof(struct sockaddr_in))
{
*addr_len = sizeof(struct sockaddr_in);
SetLastError( WSAEFAULT );
return -1;
}
memset( addr, 0, sizeof(struct sockaddr_in) );
status = RtlIpv4StringToAddressExA( string, FALSE, &addr4->sin_addr, &addr4->sin_port );
if (status != STATUS_SUCCESS)
{
SetLastError( WSAEINVAL );
return -1;
}
addr4->sin_family = AF_INET;
*addr_len = sizeof(struct sockaddr_in);
return 0;
}
case AF_INET6:
{
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
if (*addr_len < sizeof(struct sockaddr_in6))
{
*addr_len = sizeof(struct sockaddr_in6);
SetLastError( WSAEFAULT );
return -1;
}
memset( addr, 0, sizeof(struct sockaddr_in6) );
status = RtlIpv6StringToAddressExA( string, &addr6->sin6_addr, &addr6->sin6_scope_id, &addr6->sin6_port );
if (status != STATUS_SUCCESS)
{
SetLastError( WSAEINVAL );
return -1;
}
addr6->sin6_family = AF_INET6;
*addr_len = sizeof(struct sockaddr_in6);
return 0;
}
default:
/* According to MSDN, only AF_INET and AF_INET6 are supported. */
TRACE( "Unsupported address family specified: %d.\n", family );
SetLastError( WSAEINVAL );
return -1;
}
}
/***********************************************************************
* WSAStringToAddressW (ws2_32.@)
*/
int WINAPI WSAStringToAddressW( WCHAR *string, int family, WSAPROTOCOL_INFOW *protocol_info,
struct sockaddr *addr, int *addr_len )
{
WSAPROTOCOL_INFOA infoA;
WSAPROTOCOL_INFOA *protocol_infoA = NULL;
int sizeA, ret;
char *stringA;
TRACE( "string %s, family %u\n", debugstr_w(string), family );
if (!addr || !addr_len) return -1;
if (protocol_info)
{
protocol_infoA = &infoA;
memcpy( protocol_infoA, protocol_info, FIELD_OFFSET( WSAPROTOCOL_INFOA, szProtocol ) );
if (!WideCharToMultiByte( CP_ACP, 0, protocol_info->szProtocol, -1, protocol_infoA->szProtocol,
sizeof(protocol_infoA->szProtocol), NULL, NULL ))
{
SetLastError( WSAEINVAL );
return -1;
}
}
if (!string)
{
SetLastError( WSAEINVAL );
return -1;
}
sizeA = WideCharToMultiByte( CP_ACP, 0, string, -1, NULL, 0, NULL, NULL );
if (!(stringA = malloc( sizeA )))
{
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
WideCharToMultiByte( CP_ACP, 0, string, -1, stringA, sizeA, NULL, NULL );
ret = WSAStringToAddressA( stringA, family, protocol_infoA, addr, addr_len );
free( stringA );
return ret;
}
/***********************************************************************
* WSAAddressToStringA (ws2_32.@)
*/
int WINAPI WSAAddressToStringA( struct sockaddr *addr, DWORD addr_len,
WSAPROTOCOL_INFOA *info, char *string, DWORD *string_len )
{
char buffer[54]; /* 32 digits + 7':' + '[' + '%" + 5 digits + ']:' + 5 digits + '\0' */
DWORD size;
TRACE( "addr %s\n", debugstr_sockaddr(addr) );
if (!addr) return SOCKET_ERROR;
if (!string || !string_len) return SOCKET_ERROR;
switch (addr->sa_family)
{
case AF_INET:
{
const struct sockaddr_in *addr4 = (const struct sockaddr_in *)addr;
unsigned int long_ip = ntohl( addr4->sin_addr.s_addr );
char *p;
if (addr_len < sizeof(struct sockaddr_in)) return -1;
sprintf( buffer, "%u.%u.%u.%u:%u",
(long_ip >> 24) & 0xff,
(long_ip >> 16) & 0xff,
(long_ip >> 8) & 0xff,
long_ip & 0xff,
ntohs( addr4->sin_port ) );
p = strchr( buffer, ':' );
if (!addr4->sin_port) *p = 0;
break;
}
case AF_INET6:
{
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
size_t len;
buffer[0] = 0;
if (addr_len < sizeof(struct sockaddr_in6)) return -1;
if (addr6->sin6_port)
strcpy( buffer, "[" );
len = strlen( buffer );
if (!inet_ntop( AF_INET6, &addr6->sin6_addr, &buffer[len], sizeof(buffer) - len ))
{
SetLastError( WSAEINVAL );
return -1;
}
if (addr6->sin6_scope_id)
sprintf( buffer + strlen( buffer ), "%%%lu", addr6->sin6_scope_id );
if (addr6->sin6_port)
sprintf( buffer + strlen( buffer ), "]:%u", ntohs( addr6->sin6_port ) );
break;
}
default:
SetLastError( WSAEINVAL );
return -1;
}
size = strlen( buffer ) + 1;
if (*string_len < size)
{
*string_len = size;
SetLastError( WSAEFAULT );
return -1;
}
TRACE( "=> %s, %lu chars\n", debugstr_a(buffer), size );
*string_len = size;
strcpy( string, buffer );
return 0;
}
/***********************************************************************
* WSAAddressToStringW (ws2_32.@)
*/
int WINAPI WSAAddressToStringW( struct sockaddr *addr, DWORD addr_len,
WSAPROTOCOL_INFOW *info, WCHAR *string, DWORD *string_len )
{
INT ret;
char buf[54]; /* 32 digits + 7':' + '[' + '%" + 5 digits + ']:' + 5 digits + '\0' */
TRACE( "(%p, %lu, %p, %p, %p)\n", addr, addr_len, info, string, string_len );
if ((ret = WSAAddressToStringA( addr, addr_len, NULL, buf, string_len ))) return ret;
MultiByteToWideChar( CP_ACP, 0, buf, *string_len, string, *string_len );
TRACE( "=> %s, %lu chars\n", debugstr_w(string), *string_len );
return 0;
}
/***********************************************************************
* inet_addr (ws2_32.11)
*/
u_long WINAPI inet_addr( const char *str )
{
unsigned long a[4] = { 0 };
const char *s = str;
unsigned char *d;
unsigned int i;
u_long addr;
char *z;
TRACE( "str %s.\n", debugstr_a(str) );
if (!s)
{
SetLastError( WSAEFAULT );
return INADDR_NONE;
}
d = (unsigned char *)&addr;
if (s[0] == ' ' && !s[1]) return 0;
for (i = 0; i < 4; ++i)
{
a[i] = strtoul( s, &z, 0 );
if (z == s || !isdigit( *s )) return INADDR_NONE;
if (!*z || isspace(*z)) break;
if (*z != '.') return INADDR_NONE;
s = z + 1;
}
if (i == 4) return INADDR_NONE;
switch (i)
{
case 0:
a[1] = a[0] & 0xffffff;
a[0] >>= 24;
/* fallthrough */
case 1:
a[2] = a[1] & 0xffff;
a[1] >>= 16;
/* fallthrough */
case 2:
a[3] = a[2] & 0xff;
a[2] >>= 8;
}
for (i = 0; i < 4; ++i)
{
if (a[i] > 255) return INADDR_NONE;
d[i] = a[i];
}
return addr;
}
/***********************************************************************
* htonl (ws2_32.8)
*/
u_long WINAPI WS_htonl( u_long hostlong )
{
return htonl( hostlong );
}
/***********************************************************************
* htons (ws2_32.9)
*/
u_short WINAPI WS_htons( u_short hostshort )
{
return htons( hostshort );
}
/***********************************************************************
* WSAHtonl (ws2_32.@)
*/
int WINAPI WSAHtonl( SOCKET s, u_long hostlong, u_long *netlong )
{
if (netlong)
{
*netlong = htonl( hostlong );
return 0;
}
SetLastError( WSAEFAULT );
return -1;
}
/***********************************************************************
* WSAHtons (ws2_32.@)
*/
int WINAPI WSAHtons( SOCKET s, u_short hostshort, u_short *netshort )
{
if (netshort)
{
*netshort = htons( hostshort );
return 0;
}
SetLastError( WSAEFAULT );
return -1;
}
/***********************************************************************
* ntohl (ws2_32.14)
*/
u_long WINAPI WS_ntohl( u_long netlong )
{
return ntohl( netlong );
}
/***********************************************************************
* ntohs (ws2_32.15)
*/
u_short WINAPI WS_ntohs( u_short netshort )
{
return ntohs( netshort );
}
/***********************************************************************
* WSANtohl (ws2_32.@)
*/
int WINAPI WSANtohl( SOCKET s, u_long netlong, u_long *hostlong )
{
if (!hostlong) return WSAEFAULT;
*hostlong = ntohl( netlong );
return 0;
}
/***********************************************************************
* WSANtohs (ws2_32.@)
*/
int WINAPI WSANtohs( SOCKET s, u_short netshort, u_short *hostshort )
{
if (!hostshort) return WSAEFAULT;
*hostshort = ntohs( netshort );
return 0;
}
/***********************************************************************
* WSAInstallServiceClassA (ws2_32.@)
*/
int WINAPI WSAInstallServiceClassA( WSASERVICECLASSINFOA *info )
{
FIXME( "Request to install service %s\n", debugstr_a(info->lpszServiceClassName) );
SetLastError( WSAEACCES );
return -1;
}
/***********************************************************************
* WSAInstallServiceClassW (ws2_32.@)
*/
int WINAPI WSAInstallServiceClassW( WSASERVICECLASSINFOW *info )
{
FIXME( "Request to install service %s\n", debugstr_w(info->lpszServiceClassName) );
SetLastError( WSAEACCES );
return -1;
}
/***********************************************************************
* WSARemoveServiceClass (ws2_32.@)
*/
int WINAPI WSARemoveServiceClass( GUID *info )
{
FIXME( "Request to remove service %s\n", debugstr_guid(info) );
SetLastError( WSATYPE_NOT_FOUND );
return -1;
}
/***********************************************************************
* WSAGetServiceClassInfoA (ws2_32.@)
*/
int WINAPI WSAGetServiceClassInfoA( GUID *provider, GUID *service, DWORD *len,
WSASERVICECLASSINFOA *info )
{
FIXME( "(%s %s %p %p) Stub!\n", debugstr_guid(provider), debugstr_guid(service), len, info );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSAGetServiceClassInfoW (ws2_32.@)
*/
int WINAPI WSAGetServiceClassInfoW( GUID *provider, GUID *service, DWORD *len,
WSASERVICECLASSINFOW *info )
{
FIXME( "(%s %s %p %p) Stub!\n", debugstr_guid(provider), debugstr_guid(service), len, info );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSAGetServiceClassNameByClassIdA (ws2_32.@)
*/
int WINAPI WSAGetServiceClassNameByClassIdA( GUID *class, char *service, DWORD *len )
{
FIXME( "(%s %p %p) Stub!\n", debugstr_guid(class), service, len );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSAGetServiceClassNameByClassIdW (ws2_32.@)
*/
int WINAPI WSAGetServiceClassNameByClassIdW( GUID *class, WCHAR *service, DWORD *len )
{
FIXME( "(%s %p %p) Stub!\n", debugstr_guid(class), service, len );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSALookupServiceBeginA (ws2_32.@)
*/
int WINAPI WSALookupServiceBeginA( WSAQUERYSETA *query, DWORD flags, HANDLE *lookup )
{
FIXME( "(%p %#lx %p) Stub!\n", query, flags, lookup );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSALookupServiceBeginW (ws2_32.@)
*/
int WINAPI WSALookupServiceBeginW( WSAQUERYSETW *query, DWORD flags, HANDLE *lookup )
{
FIXME( "(%p %#lx %p) Stub!\n", query, flags, lookup );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSALookupServiceEnd (ws2_32.@)
*/
int WINAPI WSALookupServiceEnd( HANDLE lookup )
{
FIXME("(%p) Stub!\n", lookup );
return 0;
}
/***********************************************************************
* WSALookupServiceNextA (ws2_32.@)
*/
int WINAPI WSALookupServiceNextA( HANDLE lookup, DWORD flags, DWORD *len, WSAQUERYSETA *results )
{
FIXME( "(%p %#lx %p %p) Stub!\n", lookup, flags, len, results );
SetLastError( WSA_E_NO_MORE );
return -1;
}
/***********************************************************************
* WSALookupServiceNextW (ws2_32.@)
*/
int WINAPI WSALookupServiceNextW( HANDLE lookup, DWORD flags, DWORD *len, WSAQUERYSETW *results )
{
FIXME( "(%p %#lx %p %p) Stub!\n", lookup, flags, len, results );
SetLastError( WSA_E_NO_MORE );
return -1;
}
/***********************************************************************
* WSASetServiceA (ws2_32.@)
*/
int WINAPI WSASetServiceA( WSAQUERYSETA *query, WSAESETSERVICEOP operation, DWORD flags )
{
FIXME( "(%p %#x %#lx) Stub!\n", query, operation, flags );
return 0;
}
/***********************************************************************
* WSASetServiceW (ws2_32.@)
*/
int WINAPI WSASetServiceW( WSAQUERYSETW *query, WSAESETSERVICEOP operation, DWORD flags )
{
FIXME( "(%p %#x %#lx) Stub!\n", query, operation, flags );
return 0;
}
/***********************************************************************
* WSAEnumNameSpaceProvidersA (ws2_32.@)
*/
int WINAPI WSAEnumNameSpaceProvidersA( DWORD *len, WSANAMESPACE_INFOA *buffer )
{
FIXME( "(%p %p) Stub!\n", len, buffer );
return 0;
}
/***********************************************************************
* WSAEnumNameSpaceProvidersW (ws2_32.@)
*/
int WINAPI WSAEnumNameSpaceProvidersW( DWORD *len, WSANAMESPACE_INFOW *buffer )
{
FIXME( "(%p %p) Stub!\n", len, buffer );
return 0;
}
/***********************************************************************
* WSAProviderConfigChange (ws2_32.@)
*/
int WINAPI WSAProviderConfigChange( HANDLE *handle, OVERLAPPED *overlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE completion )
{
FIXME( "(%p %p %p) Stub!\n", handle, overlapped, completion );
return -1;
}
/***********************************************************************
* WSANSPIoctl (ws2_32.@)
*/
int WINAPI WSANSPIoctl( HANDLE lookup, DWORD code, void *in_buffer,
DWORD in_size, void *out_buffer, DWORD out_size,
DWORD *ret_size, WSACOMPLETION *completion )
{
FIXME( "(%p, %#lx, %p, %#lx, %p, %#lx, %p, %p) Stub!\n", lookup, code,
in_buffer, in_size, out_buffer, out_size, ret_size, completion );
SetLastError( WSA_NOT_ENOUGH_MEMORY );
return -1;
}
/***********************************************************************
* WSCEnableNSProvider (ws2_32.@)
*/
int WINAPI WSCEnableNSProvider( GUID *provider, BOOL enable )
{
FIXME( "(%s %d) Stub!\n", debugstr_guid(provider), enable );
return 0;
}
/***********************************************************************
* WSCGetProviderInfo (ws2_32.@)
*/
int WINAPI WSCGetProviderInfo( GUID *provider, WSC_PROVIDER_INFO_TYPE info_type,
BYTE *info, size_t *len, DWORD flags, int *errcode )
{
FIXME( "(%s %#x %p %p %#lx %p) Stub!\n",
debugstr_guid(provider), info_type, info, len, flags, errcode );
if (!errcode)
return -1;
if (!provider)
{
*errcode = WSAEFAULT;
return -1;
}
*errcode = WSANO_RECOVERY;
return -1;
}
/***********************************************************************
* WSCGetProviderPath (ws2_32.@)
*/
int WINAPI WSCGetProviderPath( GUID *provider, WCHAR *path, int *len, int *errcode )
{
FIXME( "(%s %p %p %p) Stub!\n", debugstr_guid(provider), path, len, errcode );
if (!provider || !len)
{
if (errcode)
*errcode = WSAEFAULT;
return -1;
}
if (*len <= 0)
{
if (errcode)
*errcode = WSAEINVAL;
return -1;
}
return 0;
}
/***********************************************************************
* WSCInstallNameSpace (ws2_32.@)
*/
int WINAPI WSCInstallNameSpace( WCHAR *identifier, WCHAR *path, DWORD namespace,
DWORD version, GUID *provider )
{
FIXME( "(%s %s %#lx %#lx %s) Stub!\n", debugstr_w(identifier), debugstr_w(path),
namespace, version, debugstr_guid(provider) );
return 0;
}
/***********************************************************************
* WSCUnInstallNameSpace (ws2_32.@)
*/
int WINAPI WSCUnInstallNameSpace( GUID *provider )
{
FIXME( "(%s) Stub!\n", debugstr_guid(provider) );
return NO_ERROR;
}
/***********************************************************************
* WSCWriteProviderOrder (ws2_32.@)
*/
int WINAPI WSCWriteProviderOrder( DWORD *entry, DWORD number )
{
FIXME( "(%p %#lx) Stub!\n", entry, number );
return 0;
}
/***********************************************************************
* WSCInstallProvider (ws2_32.@)
*/
int WINAPI WSCInstallProvider( GUID *provider, const WCHAR *path,
WSAPROTOCOL_INFOW *protocol_info, DWORD count, int *err )
{
FIXME( "(%s, %s, %p, %lu, %p): stub !\n", debugstr_guid(provider),
debugstr_w(path), protocol_info, count, err );
*err = 0;
return 0;
}
/***********************************************************************
* WSCDeinstallProvider (ws2_32.@)
*/
int WINAPI WSCDeinstallProvider( GUID *provider, int *err )
{
FIXME( "(%s, %p): stub !\n", debugstr_guid(provider), err );
*err = 0;
return 0;
}
/***********************************************************************
* WSCSetApplicationCategory (ws2_32.@)
*/
int WINAPI WSCSetApplicationCategory( const WCHAR *path, DWORD len, const WCHAR *extra, DWORD extralen,
DWORD lspcat, DWORD *prev_lspcat, int *err )
{
FIXME( "(%s %lu %s %lu %#lx %p) Stub!\n", debugstr_w(path), len, debugstr_w(extra),
extralen, lspcat, prev_lspcat );
return 0;
}
/***********************************************************************
* WSCEnumProtocols (ws2_32.@)
*/
int WINAPI WSCEnumProtocols( int *protocols, WSAPROTOCOL_INFOW *info, DWORD *len, int *err )
{
int ret = WSAEnumProtocolsW( protocols, info, len );
if (ret == SOCKET_ERROR) *err = WSAENOBUFS;
return ret;
}
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