arch/linux/ipx_kali.c

   1 /* $Id: ipx_kali.c,v 1.5 2003-03-13 00:20:21 btb Exp $ */
   2 /*
   3  *
   4  * IPX driver for KaliNix interface
   5  *
   6  */
   7
   8 #ifdef HAVE_CONFIG_H
   9 #include <conf.h>
  10 #endif
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14 #include <netinet/in.h> /* for htons & co. */
  15 #include "ipx_drv.h"
  16 #include "ukali.h"
  17
  18 extern unsigned char ipx_MyAddress[10];
  19
  20 static int open_sockets = 0;
  21 static int dynamic_socket = 0x401;
  22 static int last_socket = 0;
  23
  24 int have_empty_address() {
  25         int i;
  26         for (i = 0; i < 10 && !ipx_MyAddress[i]; i++) ;
  27         return i == 10;
  28 }
  29
  30 int ipx_kali_GetMyAddress(void)
  31 {
  32
  33         kaliaddr_ipx mKaliAddr;
  34
  35         if (!have_empty_address())
  36                 return 0;
  37
  38         if (KaliGetNodeNum(&mKaliAddr) < 0)
  39                 return -1;
  40
  41         memset(ipx_MyAddress, 0, 4);
  42         memcpy(ipx_MyAddress + 4, mKaliAddr.sa_nodenum, sizeof(mKaliAddr.sa_nodenum));
  43
  44         return 0;
  45 }
  46
  47 int ipx_kali_OpenSocket(ipx_socket_t *sk, int port)
  48 {
  49         printf("IPX_kali: OpenSocket on port(%d)\n", port);
  50
  51         if (!open_sockets) {
  52                 if (have_empty_address()) {
  53                         if (ipx_kali_GetMyAddress() < 0) {
  54                                 printf("IPX_kali: Error communicating with KaliNix\n");
  55                                 return -1;
  56                         }
  57                 }
  58         }
  59         if (!port)
  60                 port = dynamic_socket++;
  61
  62         if ((sk->fd = KaliOpenSocket(htons(port))) < 0) {
  63                 printf("IPX_kali: OpenSocket Failed on port(%d)\n", port);
  64                 sk->fd = -1;
  65                 return -1;
  66         }
  67         open_sockets++;
  68         last_socket = port;
  69         sk->socket = port;
  70         return 0;
  71 }
  72
  73 void ipx_kali_CloseSocket(ipx_socket_t *mysock)
  74 {
  75         if (!open_sockets) {
  76                 printf("IPX_kali: close w/o open\n");
  77                 return;
  78         }
  79         printf("IPX_kali: CloseSocket on port(%d)\n", mysock->socket);
  80         KaliCloseSocket(mysock->fd);
  81         if (--open_sockets) {
  82                 printf("IPX_kali: (closesocket) %d sockets left\n", open_sockets);
  83                 return;
  84         }
  85 }
  86
  87 int ipx_kali_SendPacket(ipx_socket_t *mysock, IPXPacket_t *IPXHeader,
  88  u_char *data, int dataLen)
  89 {
  90         kaliaddr_ipx toaddr;
  91         int i;
  92
  93         memcpy(toaddr.sa_nodenum, IPXHeader->Destination.Node, sizeof(toaddr.sa_nodenum));
  94         memcpy(&toaddr.sa_socket, IPXHeader->Destination.Socket, sizeof(toaddr.sa_socket));
  95
  96         if ((i = KaliSendPacket(mysock->fd, (char *)data, dataLen, &toaddr)) < 0)
  97                 return -1;
  98
  99         return i;
 100 }
 101
 102 int ipx_kali_ReceivePacket(ipx_socket_t *s, char *outbuf, int outbufsize,
 103  struct ipx_recv_data *rd)
 104 {
 105         int size;
 106         kaliaddr_ipx fromaddr;
 107
 108         if ((size = KaliReceivePacket(s->fd, outbuf, outbufsize, &fromaddr)) < 0)
 109                 return -1;
 110
 111         rd->dst_socket = s->socket;
 112         rd->src_socket = ntohs(fromaddr.sa_socket);
 113         memcpy(rd->src_node, fromaddr.sa_nodenum, sizeof(fromaddr.sa_nodenum));
 114         memset(rd->src_network, 0, 4);
 115         rd->pkt_type = 0;
 116
 117         return size;
 118 }
 119
 120 struct ipx_driver ipx_kali = {
 121         ipx_kali_GetMyAddress,
 122         ipx_kali_OpenSocket,
 123         ipx_kali_CloseSocket,
 124         ipx_kali_SendPacket,
 125         ipx_kali_ReceivePacket,
 126         ipx_general_PacketReady
 127 };