113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/* IPX driver for KaliNix interface */
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#include <stdio.h>
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#include <string.h>
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#include <netinet/in.h> /* for htons & co. */
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#include "ipx_drv.h"
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#include "ukali.h"
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extern unsigned char ipx_MyAddress[10];
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static int open_sockets = 0;
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static int dynamic_socket = 0x401;
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static int last_socket = 0;
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int have_empty_address() {
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int i;
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for (i = 0; i < 10 && !ipx_MyAddress[i]; i++) ;
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return i == 10;
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}
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int ipx_kali_GetMyAddress(void) {
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kaliaddr_ipx mKaliAddr;
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if (!have_empty_address())
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return 0;
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if (KaliGetNodeNum(&mKaliAddr) < 0)
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return -1;
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memset(ipx_MyAddress, 0, 4);
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memcpy(ipx_MyAddress + 4, mKaliAddr.sa_nodenum, sizeof(mKaliAddr.sa_nodenum));
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return 0;
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}
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int ipx_kali_OpenSocket(ipx_socket_t *sk, int port) {
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printf("IPX_kali: OpenSocket on port(%d)\n", port);
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if (!open_sockets) {
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if (have_empty_address()) {
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if (ipx_kali_GetMyAddress() < 0) {
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printf("IPX_kali: Error communicating with KaliNix\n");
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return -1;
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}
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}
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}
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if (!port)
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port = dynamic_socket++;
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if ((sk->fd = KaliOpenSocket(htons(port))) < 0) {
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printf("IPX_kali: OpenSocket Failed on port(%d)\n", port);
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sk->fd = -1;
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return -1;
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}
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open_sockets++;
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last_socket = port;
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sk->socket = port;
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return 0;
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}
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void ipx_kali_CloseSocket(ipx_socket_t *mysock) {
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if (!open_sockets) {
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printf("IPX_kali: close w/o open\n");
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return;
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}
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printf("IPX_kali: CloseSocket on port(%d)\n", mysock->socket);
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KaliCloseSocket(mysock->fd);
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if (--open_sockets) {
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printf("IPX_kali: (closesocket) %d sockets left\n", open_sockets);
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return;
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}
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}
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int ipx_kali_SendPacket(ipx_socket_t *mysock, IPXPacket_t *IPXHeader,
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u_char *data, int dataLen) {
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kaliaddr_ipx toaddr;
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int i;
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memcpy(toaddr.sa_nodenum, IPXHeader->Destination.Node, sizeof(toaddr.sa_nodenum));
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memcpy(&toaddr.sa_socket, IPXHeader->Destination.Socket, sizeof(toaddr.sa_socket));
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if ((i = KaliSendPacket(mysock->fd, (char *)data, dataLen, &toaddr)) < 0)
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return -1;
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return i;
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}
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int ipx_kali_ReceivePacket(ipx_socket_t *s, char *outbuf, int outbufsize,
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struct ipx_recv_data *rd) {
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int size;
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kaliaddr_ipx fromaddr;
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if ((size = KaliReceivePacket(s->fd, outbuf, outbufsize, &fromaddr)) < 0)
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return -1;
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rd->dst_socket = s->socket;
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rd->src_socket = ntohs(fromaddr.sa_socket);
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memcpy(rd->src_node, fromaddr.sa_nodenum, sizeof(fromaddr.sa_nodenum));
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memset(rd->src_network, 0, 4);
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rd->pkt_type = 0;
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return size;
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}
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struct ipx_driver ipx_kali = {
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ipx_kali_GetMyAddress,
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ipx_kali_OpenSocket,
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ipx_kali_CloseSocket,
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ipx_kali_SendPacket,
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ipx_kali_ReceivePacket,
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ipx_general_PacketReady
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};
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