1 /* $Id: ukali.c,v 1.6 2003-10-03 07:58:14 btb Exp $ */
4 * Kali support functions
12 #include <sys/types.h>
13 #include <sys/socket.h>
15 #include <netinet/in.h>
16 #include <arpa/inet.h>
24 //added 05/17/99 Matt Mueller - needed to redefine FD_* so that no asm is used
28 struct sockaddr_in kalinix_addr;
31 int knix_newSock(void) {
34 struct sockaddr_in taddr;
36 taddr.sin_family = AF_INET;
37 taddr.sin_addr.s_addr = inet_addr("127.0.0.1");
40 if ((tempsock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
43 fcntl(tempsock, F_SETFL, fcntl(tempsock, F_GETFL) | O_NONBLOCK);
45 if ((bind(tempsock, (struct sockaddr *)&taddr, sizeof(taddr))) < 0) {
52 int knix_Send(int hand, char *data, int len) {
55 while ((t = sendto(hand, data, len, 0, (struct sockaddr *)&kalinix_addr,
56 sizeof(kalinix_addr))) < 0) {
65 int knix_Recv(int hand, char *data, int len) {
66 struct sockaddr_in taddr;
71 return recvfrom(hand, data, len, 0, (struct sockaddr *)&taddr, &tlen);
75 int knix_WaitforSocket(int hand, int timems) {
83 tv.tv_usec = timems * 1000;
84 return select(hand + 1, &set, NULL, NULL, &tv);
87 int knix_ReceivePacket(int hand, char *outdata, int *outlen, kaliaddr_ipx *from) {
88 static char data[MAX_PACKET_SIZE];
91 len = knix_Recv(hand, data, sizeof(data));
93 if (len <= 0) return 0;
96 // case 1: // open socket
98 // case 2: // close socket
100 case 3: // received data packet
104 from->sa_family = AF_IPX;
105 memcpy(from->sa_nodenum, &data[1], sizeof(from->sa_nodenum));
106 memset(from->sa_netnum, 0, sizeof(from->sa_netnum));
107 memcpy(&from->sa_socket, &data[9], sizeof(unsigned short));
108 memcpy(outdata, &data[11], len-11 > *outlen ? *outlen : len-11);
111 case 4: // myipxaddress
113 memcpy(g_mynodenum, &data[1], 6);
115 // case 5: // Init KaliNix connection
117 case 6: // open response
118 case 7: // close response
120 // memcpy(g_LastPort, &data[1], sizeof(g_LastPort))
128 int knix_GetMyAddress(void) {
132 kalinix_addr.sin_family = AF_INET;
133 kalinix_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
134 kalinix_addr.sin_port = htons(4213);
136 g_sockfd = knix_newSock();
139 initdata[0] = 5; // Get Address
140 knix_Send(g_sockfd, initdata, sizeof(initdata));
146 int KaliSendPacket(int hand, char *data, int len, kaliaddr_ipx *to) {
147 static char sendbuf[MAX_PACKET_SIZE+11];
149 // char sa_nodenum[6];
155 memcpy(&sendbuf[1], to->sa_nodenum, sizeof(to->sa_nodenum));
156 memcpy(&sendbuf[7], &to->sa_socket, sizeof(to->sa_socket));
157 memset(&sendbuf[9], 0, sizeof(to->sa_socket));
158 len = len > MAX_PACKET_SIZE ? MAX_PACKET_SIZE : len;
159 memcpy(&sendbuf[11], data, len);
161 if (!knix_Send(hand, sendbuf, len+11)){
168 int KaliReceivePacket(int hand, char *data, int len, kaliaddr_ipx *from) {
174 t = knix_ReceivePacket(hand, data, &newlen, from);
176 while (t != 0 && t != 3)
177 t = knix_ReceivePacket(hand, data, &newlen, from);
185 int KaliGetNodeNum(kaliaddr_ipx *myaddr) {
188 if (g_sockfd < 0 && knix_GetMyAddress())
192 if (knix_WaitforSocket(g_sockfd, 100) > 0) {
193 if (knix_ReceivePacket(g_sockfd, NULL, 0, NULL) == 4)
205 memcpy(myaddr->sa_nodenum, g_mynodenum, sizeof(g_mynodenum));
211 int KaliCloseSocket(int hand) {
212 char opendata[3] = {2, 0, 0};
215 knix_Send(hand, opendata, sizeof(opendata));
219 if (knix_WaitforSocket(hand, 100) > 0) {
220 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 7)
224 knix_Send(hand, opendata, sizeof(opendata));
232 int KaliOpenSocket(unsigned short port) {
238 opendata[0] = 1; // open socket
239 memcpy(&opendata[1], &port, sizeof(port));
240 pid = (int)htonl(getpid());
241 memcpy(&opendata[3], &pid, sizeof(pid));
242 strncpy(&opendata[7], KALI_PROCESS_NAME, sizeof(KALI_PROCESS_NAME));
245 if ((hand = knix_newSock()) < 0)
248 knix_Send(hand, opendata, sizeof(opendata));
252 if (knix_WaitforSocket(hand, 100) > 0) {
253 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 6)
257 knix_Send(hand, opendata, sizeof(opendata));