diff options
Diffstat (limited to 'src/libnet_link_win32.c')
| -rw-r--r-- | src/libnet_link_win32.c | 177 |
1 files changed, 88 insertions, 89 deletions
diff --git a/src/libnet_link_win32.c b/src/libnet_link_win32.c index 59af543..c1ca6dd 100644 --- a/src/libnet_link_win32.c +++ b/src/libnet_link_win32.c @@ -117,20 +117,20 @@ libnet_open_link(libnet_t *l) if (l->device == NULL) { snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): NULL device", __func__); + "%s(): NULL device", __func__); return (-1); } l->lpAdapter = 0; /* open adapter */ - l->lpAdapter = PacketOpenAdapter(l->device); + l->lpAdapter = PacketOpenAdapter(l->device); if (!l->lpAdapter || (l->lpAdapter->hFile == INVALID_HANDLE_VALUE)) { dwErrorCode=GetLastError(); snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): unable to open the driver, error Code : %lx", - __func__, dwErrorCode); + "%s(): unable to open the driver, error Code : %lx", + __func__, dwErrorCode); return (-1); } @@ -144,44 +144,44 @@ libnet_open_link(libnet_t *l) { switch(IFType.LinkType) { - case NdisMedium802_3: - l->link_type = DLT_EN10MB; - l->link_offset = LIBNET_ETH_H; - break; - case NdisMedium802_5: - l->link_type = DLT_IEEE802; - l->link_offset = LIBNET_TOKEN_RING_H; - break; - case NdisMediumFddi: - l->link_type = DLT_FDDI; - l->link_offset = 0x15; - break; - case NdisMediumWan: - snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s():, WinPcap has disabled support for Network type (%d)", - __func__, IFType.LinkType); - return (-1); - break; - case NdisMediumAtm: - l->link_type = DLT_ATM_RFC1483; - break; - case NdisMediumArcnet878_2: - l->link_type = DLT_ARCNET; - break; - default: - snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): network type (%d) is not supported", - __func__, IFType.LinkType); - return (-1); - break; + case NdisMedium802_3: + l->link_type = DLT_EN10MB; + l->link_offset = LIBNET_ETH_H; + break; + case NdisMedium802_5: + l->link_type = DLT_IEEE802; + l->link_offset = LIBNET_TOKEN_RING_H; + break; + case NdisMediumFddi: + l->link_type = DLT_FDDI; + l->link_offset = 0x15; + break; + case NdisMediumWan: + snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, + "%s():, WinPcap has disabled support for Network type (%d)", + __func__, IFType.LinkType); + return (-1); + break; + case NdisMediumAtm: + l->link_type = DLT_ATM_RFC1483; + break; + case NdisMediumArcnet878_2: + l->link_type = DLT_ARCNET; + break; + default: + snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, + "%s(): network type (%d) is not supported", + __func__, IFType.LinkType); + return (-1); + break; } } else { dwErrorCode=GetLastError(); snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): unable to determine the network type, error Code : %lx", - __func__, dwErrorCode); + "%s(): unable to determine the network type, error Code : %lx", + __func__, dwErrorCode); return (-1); } return (1); @@ -218,57 +218,55 @@ struct libnet_ether_addr * libnet_get_hwaddr(libnet_t *l) { struct libnet_ether_addr *mac = &l->link_addr; - ULONG IoCtlBufferLength = (sizeof(PACKET_OID_DATA) + sizeof(ULONG) - 1); - PPACKET_OID_DATA OidData; + PPACKET_OID_DATA OidData; - int i = 0; + int i = 0; - if (l == NULL) + if (l == NULL) { return (NULL); } - if (l->device == NULL) + if (l->device == NULL) { if (libnet_select_device(l) == -1) { snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): can't figure out a device to use", __func__); + "%s(): can't figure out a device to use", __func__); return (NULL); } } - OidData = (struct _PACKET_OID_DATA *) malloc(IoCtlBufferLength); - - if (OidData == NULL) - { - snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, - "%s(): OidData is NULL", __func__); - return(NULL); - } + OidData = (struct _PACKET_OID_DATA *)malloc(IoCtlBufferLength); + if (OidData == NULL) + { + snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, + "%s(): OidData is NULL", __func__); + return(NULL); + } - if (l->link_type == DLT_IEEE802) - { - OidData->Oid = OID_802_5_CURRENT_ADDRESS; - } - else - { - OidData->Oid = OID_802_3_CURRENT_ADDRESS; - } + if (l->link_type == DLT_IEEE802) + { + OidData->Oid = OID_802_5_CURRENT_ADDRESS; + } + else + { + OidData->Oid = OID_802_3_CURRENT_ADDRESS; + } - OidData->Length = 6; - if((PacketRequest(l->lpAdapter, FALSE, OidData)) == FALSE) - { - memset(mac, 0, 6); - } - else - { - for (i = 0; i < 6; i++) - { - mac->ether_addr_octet[i] = OidData->Data[i]; - } - } + OidData->Length = 6; + if ((PacketRequest(l->lpAdapter, FALSE, OidData)) == FALSE) + { + memset(mac, 0, 6); + } + else + { + for (i = 0; i < 6; i++) + { + mac->ether_addr_octet[i] = OidData->Data[i]; + } + } free(OidData); return(mac); } @@ -327,16 +325,16 @@ libnet_win32_get_remote_mac(libnet_t *l, DWORD DestIP) } } -BYTE * libnet_win32_read_arp_table(DWORD DestIP) +BYTE *libnet_win32_read_arp_table(DWORD DestIP) { - static BYTE buffMAC[6]; + static BYTE buffMAC[6]; BOOL fOrder = TRUE; - DWORD status; + DWORD status; MIB_IPNETTABLE *pIpNetTable = NULL; - DWORD Size = 0; + DWORD Size = 0; - memset(buffMAC, 0, sizeof(buffMAC)); + memset(buffMAC, 0, sizeof(buffMAC)); status = GetIpNetTable(NULL, &Size, fOrder); if (status == ERROR_INSUFFICIENT_BUFFER) { @@ -344,22 +342,23 @@ BYTE * libnet_win32_read_arp_table(DWORD DestIP) status = GetIpNetTable(pIpNetTable, &Size, fOrder); } - if (status == NO_ERROR) - { - DWORD i, ci = pIpNetTable->table[0].dwIndex; /* set current interface */ + if (status == NO_ERROR) + { + DWORD i, ci = pIpNetTable->table[0].dwIndex; /* set current interface */ - for (i = 0; i < pIpNetTable->dwNumEntries; ++i) - { - if (pIpNetTable->table[i].dwIndex != ci) - ci = pIpNetTable->table[i].dwIndex; + for (i = 0; i < pIpNetTable->dwNumEntries; ++i) + { + if (pIpNetTable->table[i].dwIndex != ci) + ci = pIpNetTable->table[i].dwIndex; + + if(pIpNetTable->table[i].dwAddr == DestIP) /* found IP in arp cache */ + { + memcpy(buffMAC, pIpNetTable->table[i].bPhysAddr, sizeof(buffMAC)); + return buffMAC; + } + } + } - if(pIpNetTable->table[i].dwAddr == DestIP) /* found IP in arp cache */ - { - memcpy(buffMAC, pIpNetTable->table[i].bPhysAddr, sizeof(buffMAC)); - return buffMAC; - } - } - } return(NULL); } |