1 #include <sys/socket.h>
4 #include <netinet/in.h>
13 //added 05/17/99 Matt Mueller - needed to redefine FD_* so that no asm is used
14 //#include "checker.h"
17 struct sockaddr_in kalinix_addr;
20 int knix_newSock(void) {
23 struct sockaddr_in taddr;
25 taddr.sin_family = AF_INET;
26 taddr.sin_addr.s_addr = inet_addr("127.0.0.1");
29 if ((tempsock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
32 fcntl(tempsock, F_SETFL, fcntl(tempsock, F_GETFL) | O_NONBLOCK);
34 if ((bind(tempsock, (struct sockaddr *)&taddr, sizeof(taddr))) < 0) {
41 int knix_Send(int hand, char *data, int len) {
44 while ((t = sendto(hand, data, len, 0, (struct sockaddr *)&kalinix_addr,
45 sizeof(kalinix_addr))) < 0) {
54 int knix_Recv(int hand, char *data, int len) {
55 struct sockaddr_in taddr;
60 return recvfrom(hand, data, len, 0, (struct sockaddr *)&taddr, &tlen);
64 int knix_WaitforSocket(int hand, int timems) {
72 tv.tv_usec = timems * 1000;
73 return select(hand + 1, &set, NULL, NULL, &tv);
76 int knix_ReceivePacket(int hand, char *outdata, int *outlen, kaliaddr_ipx *from) {
77 static char data[MAX_PACKET_SIZE];
80 len = knix_Recv(hand, data, sizeof(data));
82 if (len <= 0) return 0;
85 // case 1: // open socket
87 // case 2: // close socket
89 case 3: // received data packet
93 from->sa_family = AF_IPX;
94 memcpy(from->sa_nodenum, &data[1], sizeof(from->sa_nodenum));
95 memset(from->sa_netnum, 0, sizeof(from->sa_netnum));
96 memcpy(&from->sa_socket, &data[9], sizeof(unsigned short));
97 memcpy(outdata, &data[11], len-11 > *outlen ? *outlen : len-11);
100 case 4: // myipxaddress
102 memcpy(g_mynodenum, &data[1], 6);
104 // case 5: // Init KaliNix connection
106 case 6: // open response
107 case 7: // close response
109 // memcpy(g_LastPort, &data[1], sizeof(g_LastPort))
117 int knix_GetMyAddress(void) {
121 kalinix_addr.sin_family = AF_INET;
122 kalinix_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
123 kalinix_addr.sin_port = htons(4213);
125 g_sockfd = knix_newSock();
128 initdata[0] = 5; // Get Address
129 knix_Send(g_sockfd, initdata, sizeof(initdata));
135 int KaliSendPacket(int hand, char *data, int len, kaliaddr_ipx *to) {
136 static char sendbuf[MAX_PACKET_SIZE+11];
138 // char sa_nodenum[6];
144 memcpy(&sendbuf[1], to->sa_nodenum, sizeof(to->sa_nodenum));
145 memcpy(&sendbuf[7], &to->sa_socket, sizeof(to->sa_socket));
146 memset(&sendbuf[9], 0, sizeof(to->sa_socket));
147 len = len > MAX_PACKET_SIZE ? MAX_PACKET_SIZE : len;
148 memcpy(&sendbuf[11], data, len);
150 if (!knix_Send(hand, sendbuf, len+11)){
157 int KaliReceivePacket(int hand, char *data, int len, kaliaddr_ipx *from) {
163 t = knix_ReceivePacket(hand, data, &newlen, from);
165 while (t != 0 && t != 3)
166 t = knix_ReceivePacket(hand, data, &newlen, from);
174 int KaliGetNodeNum(kaliaddr_ipx *myaddr) {
177 if (g_sockfd < 0 && knix_GetMyAddress())
181 if (knix_WaitforSocket(g_sockfd, 100) > 0) {
182 if (knix_ReceivePacket(g_sockfd, NULL, 0, NULL) == 4)
194 memcpy(myaddr->sa_nodenum, g_mynodenum, sizeof(g_mynodenum));
200 int KaliCloseSocket(int hand) {
201 char opendata[3] = {2, 0, 0};
204 knix_Send(hand, opendata, sizeof(opendata));
208 if (knix_WaitforSocket(hand, 100) > 0) {
209 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 7)
213 knix_Send(hand, opendata, sizeof(opendata));
221 int KaliOpenSocket(unsigned short port) {
227 opendata[0] = 1; // open socket
228 memcpy(&opendata[1], &port, sizeof(port));
229 pid = (int)htonl(getpid());
230 memcpy(&opendata[3], &pid, sizeof(pid));
231 strncpy(&opendata[7], KALI_PROCESS_NAME, sizeof(KALI_PROCESS_NAME));
234 if ((hand = knix_newSock()) < 0)
237 knix_Send(hand, opendata, sizeof(opendata));
241 if (knix_WaitforSocket(hand, 100) > 0) {
242 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 6)
246 knix_Send(hand, opendata, sizeof(opendata));