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Sweden-Number/dlls/nsiproxy.sys/ndis.c

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/*
* nsiproxy.sys ndis module
*
* Copyright 2003, 2006, 2011 Juan Lang
* Copyright 2021 Huw Davies
*
* 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 "config.h"
#include <stdarg.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_NET_IF_ARP_H
#include <net/if_arp.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IF_ETHER_H
#include <netinet/if_ether.h>
#endif
#ifdef HAVE_NET_ROUTE_H
#include <net/route.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif
#ifdef HAVE_NET_IF_DL_H
#include <net/if_dl.h>
#endif
#ifdef HAVE_NET_IF_TYPES_H
#include <net/if_types.h>
#endif
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#define USE_WS_PREFIX
#include "winsock2.h"
#include "ws2ipdef.h"
#include "nldef.h"
#include "ifdef.h"
#include "netiodef.h"
#include "ddk/wdm.h"
#include "wine/nsi.h"
#include "wine/list.h"
#include "wine/heap.h"
#include "wine/debug.h"
#include "nsiproxy_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(nsi);
struct if_entry
{
struct list entry;
GUID if_guid;
NET_LUID if_luid;
WCHAR *if_name;
char if_unix_name[IFNAMSIZ];
IF_PHYSICAL_ADDRESS if_phys_addr;
DWORD if_index;
DWORD if_type;
};
static struct list if_list = LIST_INIT( if_list );
static CRITICAL_SECTION if_list_cs;
static CRITICAL_SECTION_DEBUG if_list_cs_debug =
{
0, 0, &if_list_cs,
{ &if_list_cs_debug.ProcessLocksList, &if_list_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": if_list_cs") }
};
static CRITICAL_SECTION if_list_cs = { &if_list_cs_debug, -1, 0, 0, 0, 0 };
static struct if_entry *find_entry_from_index( DWORD index )
{
struct if_entry *entry;
LIST_FOR_EACH_ENTRY( entry, &if_list, struct if_entry, entry )
if (entry->if_index == index) return entry;
return NULL;
}
static struct if_entry *find_entry_from_luid( const NET_LUID *luid )
{
struct if_entry *entry;
LIST_FOR_EACH_ENTRY( entry, &if_list, struct if_entry, entry )
if (entry->if_luid.Value == luid->Value) return entry;
return NULL;
}
#if defined (SIOCGIFHWADDR) && defined (HAVE_STRUCT_IFREQ_IFR_HWADDR)
static NTSTATUS if_get_physical( const char *name, DWORD *type, IF_PHYSICAL_ADDRESS *phys_addr )
{
int fd, size, i;
struct ifreq ifr;
NTSTATUS ret = STATUS_SUCCESS;
static const struct type_lookup
{
unsigned short ifi_type;
IFTYPE mib_type;
DWORD addr_len;
} types[] =
{
{ ARPHRD_LOOPBACK, MIB_IF_TYPE_LOOPBACK, 0 },
{ ARPHRD_ETHER, MIB_IF_TYPE_ETHERNET, ETH_ALEN },
{ ARPHRD_FDDI, MIB_IF_TYPE_FDDI, ETH_ALEN },
{ ARPHRD_IEEE802, MIB_IF_TYPE_TOKENRING, ETH_ALEN },
{ ARPHRD_IEEE802_TR, MIB_IF_TYPE_TOKENRING, ETH_ALEN },
{ ARPHRD_SLIP, MIB_IF_TYPE_SLIP, 0 },
{ ARPHRD_PPP, MIB_IF_TYPE_PPP, 0 }
};
*type = MIB_IF_TYPE_OTHER;
memset( phys_addr, 0, sizeof(*phys_addr) );
size = strlen( name ) + 1;
if (size > sizeof(ifr.ifr_name)) return STATUS_NAME_TOO_LONG;
memset( &ifr, 0, sizeof(ifr) );
memcpy( ifr.ifr_name, name, size );
fd = socket( PF_INET, SOCK_DGRAM, 0 );
if (fd == -1) return STATUS_TOO_MANY_OPENED_FILES;
if (ioctl( fd, SIOCGIFHWADDR, &ifr ))
{
ret = STATUS_DEVICE_DATA_ERROR;
goto err;
}
for (i = 0; i < ARRAY_SIZE(types); i++)
if (ifr.ifr_hwaddr.sa_family == types[i].ifi_type)
{
*type = types[i].mib_type;
phys_addr->Length = types[i].addr_len;
memcpy( phys_addr->Address, ifr.ifr_hwaddr.sa_data, phys_addr->Length );
break;
}
err:
close( fd );
return ret;
}
#elif defined (HAVE_SYS_SYSCTL_H) && defined (HAVE_NET_IF_DL_H)
static NTSTATUS if_get_physical( const char *name, DWORD *type, IF_PHYSICAL_ADDRESS *phys_addr )
{
struct if_msghdr *ifm;
struct sockaddr_dl *sdl;
u_char *p, *buf;
size_t mib_len;
int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 }, i;
static const struct type_lookup
{
u_char sdl_type;
IFTYPE mib_type;
} types[] =
{
{ IFT_ETHER, MIB_IF_TYPE_ETHERNET },
{ IFT_FDDI, MIB_IF_TYPE_FDDI },
{ IFT_ISO88024, MIB_IF_TYPE_TOKENRING },
{ IFT_ISO88025, MIB_IF_TYPE_TOKENRING },
{ IFT_PPP, MIB_IF_TYPE_PPP },
{ IFT_SLIP, MIB_IF_TYPE_SLIP },
{ IFT_LOOP, MIB_IF_TYPE_LOOPBACK }
};
*type = MIB_IF_TYPE_OTHER;
memset( phys_addr, 0, sizeof(*phys_addr) );
if (sysctl( mib, 6, NULL, &mib_len, NULL, 0 ) < 0) return STATUS_TOO_MANY_OPENED_FILES;
buf = malloc( mib_len );
if (!buf) return STATUS_NO_MEMORY;
if (sysctl( mib, 6, buf, &mib_len, NULL, 0 ) < 0)
{
free( buf );
return STATUS_TOO_MANY_OPENED_FILES;
}
for (p = buf; p < buf + mib_len; p += ifm->ifm_msglen)
{
ifm = (struct if_msghdr *)p;
sdl = (struct sockaddr_dl *)(ifm + 1);
if (ifm->ifm_type != RTM_IFINFO || (ifm->ifm_addrs & RTA_IFP) == 0) continue;
if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
memcmp( sdl->sdl_data, name, max( sdl->sdl_nlen, strlen( name ) ) ))
continue;
for (i = 0; i < ARRAY_SIZE(types); i++)
if (sdl->sdl_type == types[i].sdl_type)
{
*type = types[i].mib_type;
break;
}
phys_addr->Length = sdl->sdl_alen;
if (phys_addr->Length > sizeof(phys_addr->Address)) phys_addr->Length = 0;
memcpy( phys_addr->Address, LLADDR(sdl), phys_addr->Length );
break;
}
free( buf );
return STATUS_SUCCESS;
}
#endif
static WCHAR *strdupAtoW( const char *str )
{
WCHAR *ret = NULL;
DWORD len;
if (!str) return ret;
len = MultiByteToWideChar( CP_UNIXCP, 0, str, -1, NULL, 0 );
ret = heap_alloc( len * sizeof(WCHAR) );
if (ret) MultiByteToWideChar( CP_UNIXCP, 0, str, -1, ret, len );
return ret;
}
static struct if_entry *add_entry( DWORD index, char *name )
{
struct if_entry *entry;
int name_len = strlen( name );
if (name_len >= IFNAMSIZ - 1) return NULL;
entry = heap_alloc( sizeof(*entry) );
if (!entry) return NULL;
entry->if_index = index;
memcpy( entry->if_unix_name, name, name_len + 1 );
entry->if_name = strdupAtoW( name );
if (!entry->if_name)
{
heap_free( entry );
return NULL;
}
if_get_physical( name, &entry->if_type, &entry->if_phys_addr );
entry->if_luid.Info.Reserved = 0;
entry->if_luid.Info.NetLuidIndex = index;
entry->if_luid.Info.IfType = entry->if_type;
memset( &entry->if_guid, 0, sizeof(entry->if_guid) );
entry->if_guid.Data1 = index;
memcpy( entry->if_guid.Data4 + 2, "NetDev", 6 );
list_add_tail( &if_list, &entry->entry );
return entry;
}
static void update_if_table( void )
{
struct if_nameindex *indices = if_nameindex(), *entry;
for (entry = indices; entry->if_index; entry++)
{
if (!find_entry_from_index( entry->if_index ))
add_entry( entry->if_index, entry->if_name );
}
if_freenameindex( indices );
}
static void if_counted_string_init( IF_COUNTED_STRING *str, const WCHAR *value )
{
str->Length = value ? min( lstrlenW( value ), ARRAY_SIZE(str->String) - 1 ) * sizeof(WCHAR) : 0;
if (str->Length) memcpy( str->String, value, str->Length );
memset( (char *)str->String + str->Length, 0, sizeof(str->String) - str->Length );
}
static void ifinfo_fill_dynamic( struct if_entry *entry, struct nsi_ndis_ifinfo_dynamic *data )
{
int fd, name_len = strlen( entry->if_unix_name );
struct ifreq req;
memset( data, 0, sizeof(*data) );
if (name_len >= sizeof(req.ifr_name)) return;
memcpy( req.ifr_name, entry->if_unix_name, name_len + 1 );
fd = socket( PF_INET, SOCK_DGRAM, 0 );
if (fd == -1) return;
if (!ioctl( fd, SIOCGIFFLAGS, &req ))
{
if (req.ifr_flags & IFF_UP) data->oper_status = IfOperStatusUp;
#ifdef IFF_DORMANT
else if (req.ifr_flags & IFF_DORMANT) data->oper_status = IfOperStatusDormant;
#endif
else data->oper_status = IfOperStatusDown;
} else data->oper_status = IfOperStatusUnknown;
data->flags.unk = 0;
data->flags.not_media_conn = 0;
data->flags.unk2 = 0;
data->media_conn_state = MediaConnectStateConnected;
data->unk = 0;
if (!ioctl( fd, SIOCGIFMTU, &req )) data->mtu = req.ifr_mtu;
else data->mtu = 0;
close( fd );
#ifdef __linux__
{
FILE *fp;
if ((fp = fopen( "/proc/net/dev", "r" )))
{
char buf[512], *ptr;
while ((ptr = fgets( buf, sizeof(buf), fp )))
{
while (*ptr && isspace( *ptr )) ptr++;
if (!_strnicmp( ptr, entry->if_unix_name, name_len ) && ptr[name_len] == ':')
{
unsigned long long values[9];
ptr += name_len + 1;
sscanf( ptr, "%llu %llu %llu %llu %*u %*u %*u %llu %llu %llu %llu %llu",
values, values + 1, values + 2, values + 3, values + 4,
values + 5, values + 6, values + 7, values + 8 );
data->in_octets = values[0];
data->in_ucast_pkts = values[1];
data->in_errors = values[2];
data->in_discards = values[3];
data->in_mcast_pkts = values[4];
data->out_octets = values[5];
data->out_ucast_pkts = values[6];
data->out_errors = values[7];
data->out_discards = values[8];
break;
}
}
fclose( fp );
}
}
#elif defined(HAVE_SYS_SYSCTL_H) && defined(NET_RT_IFLIST)
{
int mib[] = { CTL_NET, PF_ROUTE, 0, AF_INET, NET_RT_IFLIST, entry->if_index };
size_t needed;
char *buf = NULL, *end;
struct if_msghdr *ifm;
struct if_data ifdata;
if (sysctl( mib, ARRAY_SIZE(mib), NULL, &needed, NULL, 0 ) == -1) goto done;
buf = heap_alloc( needed );
if (!buf) goto done;
if (sysctl( mib, ARRAY_SIZE(mib), buf, &needed, NULL, 0 ) == -1) goto done;
for (end = buf + needed; buf < end; buf += ifm->ifm_msglen)
{
ifm = (struct if_msghdr *) buf;
if (ifm->ifm_type == RTM_IFINFO)
{
ifdata = ifm->ifm_data;
data->xmit_speed = data->rcv_speed = ifdata.ifi_baudrate;
data->in_octets = ifdata.ifi_ibytes;
data->in_errors = ifdata.ifi_ierrors;
data->in_discards = ifdata.ifi_iqdrops;
data->in_ucast_pkts = ifdata.ifi_ipackets;
data->in_mcast_pkts = ifdata.ifi_imcasts;
data->out_octets = ifdata.ifi_obytes;
data->out_ucast_pkts = ifdata.ifi_opackets;
data->out_mcast_pkts = ifdata.ifi_omcasts;
data->out_errors = ifdata.ifi_oerrors;
break;
}
}
done:
heap_free( buf );
}
#endif
}
static void ifinfo_fill_entry( struct if_entry *entry, NET_LUID *key, struct nsi_ndis_ifinfo_rw *rw,
struct nsi_ndis_ifinfo_dynamic *dyn, struct nsi_ndis_ifinfo_static *stat )
{
if (key) memcpy( key, &entry->if_luid, sizeof(entry->if_luid) );
if (rw)
{
memset( &rw->network_guid, 0, sizeof(entry->if_guid) );
rw->admin_status = MIB_IF_ADMIN_STATUS_UP;
if_counted_string_init( &rw->alias, entry->if_name );
memcpy( &rw->phys_addr, &entry->if_phys_addr, sizeof(entry->if_phys_addr) );
rw->pad = 0;
if_counted_string_init( &rw->name2, NULL );
rw->unk = 0;
}
if (dyn) ifinfo_fill_dynamic( entry, dyn );
if (stat)
{
stat->if_index = entry->if_index;
if_counted_string_init( &stat->descr, entry->if_name ); /* get a more descriptive name */
stat->type = entry->if_type;
stat->access_type = (entry->if_type == MIB_IF_TYPE_LOOPBACK) ? NET_IF_ACCESS_LOOPBACK : NET_IF_ACCESS_BROADCAST;
stat->unk = 0;
stat->conn_type = NET_IF_CONNECTION_DEDICATED;
memcpy( &stat->if_guid, &entry->if_guid, sizeof(entry->if_guid) );
stat->conn_present = entry->if_type != MIB_IF_TYPE_LOOPBACK;
memcpy( &stat->perm_phys_addr, &entry->if_phys_addr, sizeof(entry->if_phys_addr) );
stat->flags.hw = entry->if_type != MIB_IF_TYPE_LOOPBACK;
stat->flags.filter = 0;
stat->flags.unk = 0;
stat->media_type = 0;
stat->phys_medium_type = 0;
}
}
static NTSTATUS ifinfo_enumerate_all( void *key_data, DWORD key_size, void *rw_data, DWORD rw_size,
void *dynamic_data, DWORD dynamic_size,
void *static_data, DWORD static_size, DWORD_PTR *count )
{
struct if_entry *entry;
DWORD num = 0;
NTSTATUS status = STATUS_SUCCESS;
BOOL want_data = key_size || rw_size || dynamic_size || static_size;
TRACE( "%p %d %p %d %p %d %p %d %p\n", key_data, key_size, rw_data, rw_size,
dynamic_data, dynamic_size, static_data, static_size, count );
EnterCriticalSection( &if_list_cs );
update_if_table();
LIST_FOR_EACH_ENTRY( entry, &if_list, struct if_entry, entry )
{
if (num < *count)
{
ifinfo_fill_entry( entry, key_data, rw_data, dynamic_data, static_data );
key_data = (BYTE *)key_data + key_size;
rw_data = (BYTE *)rw_data + rw_size;
dynamic_data = (BYTE *)dynamic_data + dynamic_size;
static_data = (BYTE *)static_data + static_size;
}
num++;
}
LeaveCriticalSection( &if_list_cs );
if (!want_data || num <= *count) *count = num;
else status = STATUS_MORE_ENTRIES;
return status;
}
static NTSTATUS ifinfo_get_all_parameters( const void *key, DWORD key_size, void *rw_data, DWORD rw_size,
void *dynamic_data, DWORD dynamic_size,
void *static_data, DWORD static_size )
{
struct if_entry *entry;
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
TRACE( "%p %d %p %d %p %d %p %d\n", key, key_size, rw_data, rw_size,
dynamic_data, dynamic_size, static_data, static_size );
EnterCriticalSection( &if_list_cs );
update_if_table();
entry = find_entry_from_luid( (const NET_LUID *)key );
if (entry)
{
ifinfo_fill_entry( entry, NULL, rw_data, dynamic_data, static_data );
status = STATUS_SUCCESS;
}
LeaveCriticalSection( &if_list_cs );
return status;
}
static NTSTATUS ifinfo_get_rw_parameter( struct if_entry *entry, void *data, DWORD data_size, DWORD data_offset )
{
switch (data_offset)
{
case FIELD_OFFSET( struct nsi_ndis_ifinfo_rw, alias ):
{
IF_COUNTED_STRING *str = (IF_COUNTED_STRING *)data;
if (data_size != sizeof(*str)) return STATUS_INVALID_PARAMETER;
if_counted_string_init( str, entry->if_name );
return STATUS_SUCCESS;
}
default:
FIXME( "Offset %#x not handled\n", data_offset );
}
return STATUS_INVALID_PARAMETER;
}
static NTSTATUS ifinfo_get_static_parameter( struct if_entry *entry, void *data, DWORD data_size, DWORD data_offset )
{
switch (data_offset)
{
case FIELD_OFFSET( struct nsi_ndis_ifinfo_static, if_index ):
if (data_size != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
*(DWORD *)data = entry->if_index;
return STATUS_SUCCESS;
case FIELD_OFFSET( struct nsi_ndis_ifinfo_static, if_guid ):
if (data_size != sizeof(GUID)) return STATUS_INVALID_PARAMETER;
*(GUID *)data = entry->if_guid;
return STATUS_SUCCESS;
default:
FIXME( "Offset %#x not handled\n", data_offset );
}
return STATUS_INVALID_PARAMETER;
}
static NTSTATUS ifinfo_get_parameter( const void *key, DWORD key_size, DWORD param_type,
void *data, DWORD data_size, DWORD data_offset )
{
struct if_entry *entry;
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
TRACE( "%p %d %d %p %d %d\n", key, key_size, param_type, data, data_size, data_offset );
EnterCriticalSection( &if_list_cs );
update_if_table();
entry = find_entry_from_luid( (const NET_LUID *)key );
if (entry)
{
switch (param_type)
{
case NSI_PARAM_TYPE_RW:
status = ifinfo_get_rw_parameter( entry, data, data_size, data_offset );
break;
case NSI_PARAM_TYPE_STATIC:
status = ifinfo_get_static_parameter( entry, data, data_size, data_offset );
break;
}
}
LeaveCriticalSection( &if_list_cs );
return status;
}
static NTSTATUS index_luid_get_parameter( const void *key, DWORD key_size, DWORD param_type,
void *data, DWORD data_size, DWORD data_offset )
{
struct if_entry *entry;
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
TRACE( "%p %d %d %p %d %d\n", key, key_size, param_type, data, data_size, data_offset );
if (param_type != NSI_PARAM_TYPE_STATIC || data_size != sizeof(NET_LUID) || data_offset != 0)
return STATUS_INVALID_PARAMETER;
EnterCriticalSection( &if_list_cs );
update_if_table();
entry = find_entry_from_index( *(DWORD *)key );
if (entry)
{
*(NET_LUID *)data = entry->if_luid;
status = STATUS_SUCCESS;
}
LeaveCriticalSection( &if_list_cs );
return status;
}
static const struct module_table tables[] =
{
{
NSI_NDIS_IFINFO_TABLE,
{
sizeof(NET_LUID), sizeof(struct nsi_ndis_ifinfo_rw),
sizeof(struct nsi_ndis_ifinfo_dynamic), sizeof(struct nsi_ndis_ifinfo_static)
},
ifinfo_enumerate_all,
ifinfo_get_all_parameters,
ifinfo_get_parameter
},
{
NSI_NDIS_INDEX_LUID_TABLE,
{
sizeof(DWORD), 0,
0, sizeof(NET_LUID)
},
NULL,
NULL,
index_luid_get_parameter
},
{ ~0u }
};
const struct module ndis_module =
{
&NPI_MS_NDIS_MODULEID,
tables
};
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