1 /* $Id: ukali.c,v 1.4 2003-01-01 00:56:24 btb Exp $ */
5 * Kali support functions
13 #include <sys/socket.h>
14 #include <sys/types.h>
16 #include <netinet/in.h>
17 #include <arpa/inet.h>
25 //added 05/17/99 Matt Mueller - needed to redefine FD_* so that no asm is used
29 struct sockaddr_in kalinix_addr;
32 int knix_newSock(void) {
35 struct sockaddr_in taddr;
37 taddr.sin_family = AF_INET;
38 taddr.sin_addr.s_addr = inet_addr("127.0.0.1");
41 if ((tempsock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
44 fcntl(tempsock, F_SETFL, fcntl(tempsock, F_GETFL) | O_NONBLOCK);
46 if ((bind(tempsock, (struct sockaddr *)&taddr, sizeof(taddr))) < 0) {
53 int knix_Send(int hand, char *data, int len) {
56 while ((t = sendto(hand, data, len, 0, (struct sockaddr *)&kalinix_addr,
57 sizeof(kalinix_addr))) < 0) {
66 int knix_Recv(int hand, char *data, int len) {
67 struct sockaddr_in taddr;
72 return recvfrom(hand, data, len, 0, (struct sockaddr *)&taddr, &tlen);
76 int knix_WaitforSocket(int hand, int timems) {
84 tv.tv_usec = timems * 1000;
85 return select(hand + 1, &set, NULL, NULL, &tv);
88 int knix_ReceivePacket(int hand, char *outdata, int *outlen, kaliaddr_ipx *from) {
89 static char data[MAX_PACKET_SIZE];
92 len = knix_Recv(hand, data, sizeof(data));
94 if (len <= 0) return 0;
97 // case 1: // open socket
99 // case 2: // close socket
101 case 3: // received data packet
105 from->sa_family = AF_IPX;
106 memcpy(from->sa_nodenum, &data[1], sizeof(from->sa_nodenum));
107 memset(from->sa_netnum, 0, sizeof(from->sa_netnum));
108 memcpy(&from->sa_socket, &data[9], sizeof(unsigned short));
109 memcpy(outdata, &data[11], len-11 > *outlen ? *outlen : len-11);
112 case 4: // myipxaddress
114 memcpy(g_mynodenum, &data[1], 6);
116 // case 5: // Init KaliNix connection
118 case 6: // open response
119 case 7: // close response
121 // memcpy(g_LastPort, &data[1], sizeof(g_LastPort))
129 int knix_GetMyAddress(void) {
133 kalinix_addr.sin_family = AF_INET;
134 kalinix_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
135 kalinix_addr.sin_port = htons(4213);
137 g_sockfd = knix_newSock();
140 initdata[0] = 5; // Get Address
141 knix_Send(g_sockfd, initdata, sizeof(initdata));
147 int KaliSendPacket(int hand, char *data, int len, kaliaddr_ipx *to) {
148 static char sendbuf[MAX_PACKET_SIZE+11];
150 // char sa_nodenum[6];
156 memcpy(&sendbuf[1], to->sa_nodenum, sizeof(to->sa_nodenum));
157 memcpy(&sendbuf[7], &to->sa_socket, sizeof(to->sa_socket));
158 memset(&sendbuf[9], 0, sizeof(to->sa_socket));
159 len = len > MAX_PACKET_SIZE ? MAX_PACKET_SIZE : len;
160 memcpy(&sendbuf[11], data, len);
162 if (!knix_Send(hand, sendbuf, len+11)){
169 int KaliReceivePacket(int hand, char *data, int len, kaliaddr_ipx *from) {
175 t = knix_ReceivePacket(hand, data, &newlen, from);
177 while (t != 0 && t != 3)
178 t = knix_ReceivePacket(hand, data, &newlen, from);
186 int KaliGetNodeNum(kaliaddr_ipx *myaddr) {
189 if (g_sockfd < 0 && knix_GetMyAddress())
193 if (knix_WaitforSocket(g_sockfd, 100) > 0) {
194 if (knix_ReceivePacket(g_sockfd, NULL, 0, NULL) == 4)
206 memcpy(myaddr->sa_nodenum, g_mynodenum, sizeof(g_mynodenum));
212 int KaliCloseSocket(int hand) {
213 char opendata[3] = {2, 0, 0};
216 knix_Send(hand, opendata, sizeof(opendata));
220 if (knix_WaitforSocket(hand, 100) > 0) {
221 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 7)
225 knix_Send(hand, opendata, sizeof(opendata));
233 int KaliOpenSocket(unsigned short port) {
239 opendata[0] = 1; // open socket
240 memcpy(&opendata[1], &port, sizeof(port));
241 pid = (int)htonl(getpid());
242 memcpy(&opendata[3], &pid, sizeof(pid));
243 strncpy(&opendata[7], KALI_PROCESS_NAME, sizeof(KALI_PROCESS_NAME));
246 if ((hand = knix_newSock()) < 0)
249 knix_Send(hand, opendata, sizeof(opendata));
253 if (knix_WaitforSocket(hand, 100) > 0) {
254 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 6)
258 knix_Send(hand, opendata, sizeof(opendata));