500 lines
15 KiB
C
500 lines
15 KiB
C
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/*
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* nsiproxy.sys ndis module
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*
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* Copyright 2003, 2006, 2011 Juan Lang
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* Copyright 2021 Huw Davies
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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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#include "config.h"
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#include <stdarg.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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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_NET_IF_H
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#include <net/if.h>
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#endif
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#ifdef HAVE_NET_IF_ARP_H
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#include <net/if_arp.h>
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#endif
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#ifdef HAVE_NETINET_IF_ETHER_H
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#include <netinet/if_ether.h>
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#endif
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#ifdef HAVE_NET_ROUTE_H
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#include <net/route.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_SYSCTL_H
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#include <sys/sysctl.h>
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#endif
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#ifdef HAVE_NET_IF_DL_H
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#include <net/if_dl.h>
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#endif
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#ifdef HAVE_NET_IF_TYPES_H
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#include <net/if_types.h>
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#endif
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#define NONAMELESSUNION
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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 "winbase.h"
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#include "winternl.h"
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#include "winioctl.h"
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#define USE_WS_PREFIX
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#include "winsock2.h"
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#include "ws2ipdef.h"
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#include "nldef.h"
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#include "ifdef.h"
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#include "netiodef.h"
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#include "ddk/wdm.h"
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#include "wine/nsi.h"
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#include "wine/list.h"
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#include "wine/heap.h"
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#include "wine/debug.h"
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#include "nsiproxy_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(nsi);
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struct if_entry
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{
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struct list entry;
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GUID if_guid;
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NET_LUID if_luid;
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WCHAR *if_name;
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char if_unix_name[IFNAMSIZ];
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IF_PHYSICAL_ADDRESS if_phys_addr;
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DWORD if_index;
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DWORD if_type;
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};
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static struct list if_list = LIST_INIT( if_list );
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static CRITICAL_SECTION if_list_cs;
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static CRITICAL_SECTION_DEBUG if_list_cs_debug =
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{
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0, 0, &if_list_cs,
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{ &if_list_cs_debug.ProcessLocksList, &if_list_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": if_list_cs") }
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};
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static CRITICAL_SECTION if_list_cs = { &if_list_cs_debug, -1, 0, 0, 0, 0 };
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static struct if_entry *find_entry_from_index( DWORD index )
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{
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struct if_entry *entry;
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LIST_FOR_EACH_ENTRY( entry, &if_list, struct if_entry, entry )
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if (entry->if_index == index) return entry;
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return NULL;
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}
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#if defined (SIOCGIFHWADDR) && defined (HAVE_STRUCT_IFREQ_IFR_HWADDR)
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static NTSTATUS if_get_physical( const char *name, DWORD *type, IF_PHYSICAL_ADDRESS *phys_addr )
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{
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int fd, size, i;
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struct ifreq ifr;
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NTSTATUS ret = STATUS_SUCCESS;
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static const struct type_lookup
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{
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unsigned short ifi_type;
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IFTYPE mib_type;
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DWORD addr_len;
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} types[] =
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{
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{ ARPHRD_LOOPBACK, MIB_IF_TYPE_LOOPBACK, 0 },
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{ ARPHRD_ETHER, MIB_IF_TYPE_ETHERNET, ETH_ALEN },
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{ ARPHRD_FDDI, MIB_IF_TYPE_FDDI, ETH_ALEN },
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{ ARPHRD_IEEE802, MIB_IF_TYPE_TOKENRING, ETH_ALEN },
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{ ARPHRD_IEEE802_TR, MIB_IF_TYPE_TOKENRING, ETH_ALEN },
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{ ARPHRD_SLIP, MIB_IF_TYPE_SLIP, 0 },
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{ ARPHRD_PPP, MIB_IF_TYPE_PPP, 0 }
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};
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*type = MIB_IF_TYPE_OTHER;
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memset( phys_addr, 0, sizeof(*phys_addr) );
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size = strlen( name ) + 1;
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if (size > sizeof(ifr.ifr_name)) return STATUS_NAME_TOO_LONG;
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memset( &ifr, 0, sizeof(ifr) );
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memcpy( ifr.ifr_name, name, size );
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fd = socket( PF_INET, SOCK_DGRAM, 0 );
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if (fd == -1) return STATUS_TOO_MANY_OPENED_FILES;
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if (ioctl( fd, SIOCGIFHWADDR, &ifr ))
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{
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ret = STATUS_DEVICE_DATA_ERROR;
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goto err;
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}
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for (i = 0; i < ARRAY_SIZE(types); i++)
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if (ifr.ifr_hwaddr.sa_family == types[i].ifi_type)
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{
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*type = types[i].mib_type;
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phys_addr->Length = types[i].addr_len;
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memcpy( phys_addr->Address, ifr.ifr_hwaddr.sa_data, phys_addr->Length );
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break;
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}
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err:
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close( fd );
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return ret;
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}
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#elif defined (HAVE_SYS_SYSCTL_H) && defined (HAVE_NET_IF_DL_H)
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static NTSTATUS if_get_physical( const char *name, DWORD *type, IF_PHYSICAL_ADDRESS *phys_addr )
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{
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struct if_msghdr *ifm;
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struct sockaddr_dl *sdl;
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u_char *p, *buf;
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size_t mib_len;
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int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 }, i;
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static const struct type_lookup
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{
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u_char sdl_type;
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IFTYPE mib_type;
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} types[] =
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{
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{ IFT_ETHER, MIB_IF_TYPE_ETHERNET },
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{ IFT_FDDI, MIB_IF_TYPE_FDDI },
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{ IFT_ISO88024, MIB_IF_TYPE_TOKENRING },
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{ IFT_ISO88025, MIB_IF_TYPE_TOKENRING },
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{ IFT_PPP, MIB_IF_TYPE_PPP },
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{ IFT_SLIP, MIB_IF_TYPE_SLIP },
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{ IFT_LOOP, MIB_IF_TYPE_LOOPBACK }
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};
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*type = MIB_IF_TYPE_OTHER;
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memset( phys_addr, 0, sizeof(*phys_addr) );
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if (sysctl( mib, 6, NULL, &mib_len, NULL, 0 ) < 0) return STATUS_TOO_MANY_OPENED_FILES;
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buf = malloc( mib_len );
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if (!buf) return STATUS_NO_MEMORY;
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if (sysctl( mib, 6, buf, &mib_len, NULL, 0 ) < 0)
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{
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free( buf );
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return STATUS_TOO_MANY_OPENED_FILES;
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}
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for (p = buf; p < buf + mib_len; p += ifm->ifm_msglen)
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{
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ifm = (struct if_msghdr *)p;
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sdl = (struct sockaddr_dl *)(ifm + 1);
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if (ifm->ifm_type != RTM_IFINFO || (ifm->ifm_addrs & RTA_IFP) == 0) continue;
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if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
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memcmp( sdl->sdl_data, name, max( sdl->sdl_nlen, strlen( name ) ) ))
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continue;
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for (i = 0; i < ARRAY_SIZE(types); i++)
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if (sdl->sdl_type == types[i].sdl_type)
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{
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*type = types[i].mib_type;
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break;
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}
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phys_addr->Length = sdl->sdl_alen;
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if (phys_addr->Length > sizeof(phys_addr->Address)) phys_addr->Length = 0;
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memcpy( phys_addr->Address, LLADDR(sdl), phys_addr->Length );
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break;
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}
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free( buf );
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return STATUS_SUCCESS;
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}
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#endif
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static WCHAR *strdupAtoW( const char *str )
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{
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WCHAR *ret = NULL;
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DWORD len;
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if (!str) return ret;
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len = MultiByteToWideChar( CP_UNIXCP, 0, str, -1, NULL, 0 );
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ret = heap_alloc( len * sizeof(WCHAR) );
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if (ret) MultiByteToWideChar( CP_UNIXCP, 0, str, -1, ret, len );
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return ret;
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}
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static struct if_entry *add_entry( DWORD index, char *name )
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{
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struct if_entry *entry;
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int name_len = strlen( name );
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if (name_len >= IFNAMSIZ - 1) return NULL;
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entry = heap_alloc( sizeof(*entry) );
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if (!entry) return NULL;
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entry->if_index = index;
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memcpy( entry->if_unix_name, name, name_len + 1 );
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entry->if_name = strdupAtoW( name );
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if (!entry->if_name)
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{
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heap_free( entry );
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return NULL;
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}
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if_get_physical( name, &entry->if_type, &entry->if_phys_addr );
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entry->if_luid.Info.Reserved = 0;
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entry->if_luid.Info.NetLuidIndex = index;
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entry->if_luid.Info.IfType = entry->if_type;
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memset( &entry->if_guid, 0, sizeof(entry->if_guid) );
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entry->if_guid.Data1 = index;
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memcpy( entry->if_guid.Data4 + 2, "NetDev", 6 );
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list_add_tail( &if_list, &entry->entry );
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return entry;
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}
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static void update_if_table( void )
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{
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struct if_nameindex *indices = if_nameindex(), *entry;
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for (entry = indices; entry->if_index; entry++)
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{
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if (!find_entry_from_index( entry->if_index ))
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add_entry( entry->if_index, entry->if_name );
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}
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if_freenameindex( indices );
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}
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static void if_counted_string_init( IF_COUNTED_STRING *str, const WCHAR *value )
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{
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str->Length = value ? min( lstrlenW( value ), ARRAY_SIZE(str->String) - 1 ) * sizeof(WCHAR) : 0;
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if (str->Length) memcpy( str->String, value, str->Length );
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memset( (char *)str->String + str->Length, 0, sizeof(str->String) - str->Length );
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}
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static void ifinfo_fill_dynamic( struct if_entry *entry, struct nsi_ndis_ifinfo_dynamic *data )
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{
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int fd, name_len = strlen( entry->if_unix_name );
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struct ifreq req;
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memset( data, 0, sizeof(*data) );
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if (name_len >= sizeof(req.ifr_name)) return;
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memcpy( req.ifr_name, entry->if_unix_name, name_len + 1 );
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fd = socket( PF_INET, SOCK_DGRAM, 0 );
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if (fd == -1) return;
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if (!ioctl( fd, SIOCGIFFLAGS, &req ))
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{
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if (req.ifr_flags & IFF_UP) data->oper_status = IfOperStatusUp;
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#ifdef IFF_DORMANT
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else if (req.ifr_flags & IFF_DORMANT) data->oper_status = IfOperStatusDormant;
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#endif
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else data->oper_status = IfOperStatusDown;
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} else data->oper_status = IfOperStatusUnknown;
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data->flags.unk = 0;
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data->flags.not_media_conn = 0;
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data->flags.unk2 = 0;
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data->media_conn_state = MediaConnectStateConnected;
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data->unk = 0;
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if (!ioctl( fd, SIOCGIFMTU, &req )) data->mtu = req.ifr_mtu;
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else data->mtu = 0;
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close( fd );
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#ifdef __linux__
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{
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FILE *fp;
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if ((fp = fopen( "/proc/net/dev", "r" )))
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{
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char buf[512], *ptr;
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while ((ptr = fgets( buf, sizeof(buf), fp )))
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{
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while (*ptr && isspace( *ptr )) ptr++;
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if (!_strnicmp( ptr, entry->if_unix_name, name_len ) && ptr[name_len] == ':')
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{
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unsigned long long values[9];
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ptr += name_len + 1;
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sscanf( ptr, "%llu %llu %llu %llu %*u %*u %*u %llu %llu %llu %llu %llu",
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values, values + 1, values + 2, values + 3, values + 4,
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values + 5, values + 6, values + 7, values + 8 );
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data->in_octets = values[0];
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data->in_ucast_pkts = values[1];
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data->in_errors = values[2];
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data->in_discards = values[3];
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|
|
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 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,
|
||
|
|
},
|
||
|
|
{ ~0u }
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct module ndis_module =
|
||
|
|
{
|
||
|
|
&NPI_MS_NDIS_MODULEID,
|
||
|
|
tables
|
||
|
|
};
|