3 * Kali support functions
11 #include <sys/types.h>
12 #include <sys/socket.h>
14 #include <netinet/in.h>
15 #include <arpa/inet.h>
23 //added 05/17/99 Matt Mueller - needed to redefine FD_* so that no asm is used
27 struct sockaddr_in kalinix_addr;
30 int knix_newSock(void) {
33 struct sockaddr_in taddr;
35 taddr.sin_family = AF_INET;
36 taddr.sin_addr.s_addr = inet_addr("127.0.0.1");
39 if ((tempsock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
42 fcntl(tempsock, F_SETFL, fcntl(tempsock, F_GETFL) | O_NONBLOCK);
44 if ((bind(tempsock, (struct sockaddr *)&taddr, sizeof(taddr))) < 0) {
51 int knix_Send(int hand, char *data, int len) {
54 while ((t = (int)sendto(hand, data, len, 0, (struct sockaddr *)&kalinix_addr, sizeof(kalinix_addr))) < 0) {
63 int knix_Recv(int hand, char *data, int len) {
64 struct sockaddr_in taddr;
69 return (int)recvfrom(hand, data, len, 0, (struct sockaddr *)&taddr, (unsigned int *)&tlen);
72 int knix_WaitforSocket(int hand, int timems) {
80 tv.tv_usec = timems * 1000;
81 return select(hand + 1, &set, NULL, NULL, &tv);
84 int knix_ReceivePacket(int hand, char *outdata, int *outlen, kaliaddr_ipx *from) {
85 static char data[MAX_PACKET_SIZE];
88 len = knix_Recv(hand, data, sizeof(data));
90 if (len <= 0) return 0;
93 // case 1: // open socket
95 // case 2: // close socket
97 case 3: // received data packet
101 from->sa_family = AF_IPX;
102 memcpy(from->sa_nodenum, &data[1], sizeof(from->sa_nodenum));
103 memset(from->sa_netnum, 0, sizeof(from->sa_netnum));
104 memcpy(&from->sa_socket, &data[9], sizeof(unsigned short));
105 memcpy(outdata, &data[11], len-11 > *outlen ? *outlen : len-11);
108 case 4: // myipxaddress
110 memcpy(g_mynodenum, &data[1], 6);
112 // case 5: // Init KaliNix connection
114 case 6: // open response
115 case 7: // close response
117 // memcpy(g_LastPort, &data[1], sizeof(g_LastPort))
125 int knix_GetMyAddress(void) {
129 kalinix_addr.sin_family = AF_INET;
130 kalinix_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
131 kalinix_addr.sin_port = htons(4213);
133 g_sockfd = knix_newSock();
136 initdata[0] = 5; // Get Address
137 knix_Send(g_sockfd, initdata, sizeof(initdata));
143 int KaliSendPacket(int hand, char *data, int len, kaliaddr_ipx *to) {
144 static char sendbuf[MAX_PACKET_SIZE+11];
146 // char sa_nodenum[6];
152 memcpy(&sendbuf[1], to->sa_nodenum, sizeof(to->sa_nodenum));
153 memcpy(&sendbuf[7], &to->sa_socket, sizeof(to->sa_socket));
154 memset(&sendbuf[9], 0, sizeof(to->sa_socket));
155 len = len > MAX_PACKET_SIZE ? MAX_PACKET_SIZE : len;
156 memcpy(&sendbuf[11], data, len);
158 if (!knix_Send(hand, sendbuf, len+11)){
165 int KaliReceivePacket(int hand, char *data, int len, kaliaddr_ipx *from) {
171 t = knix_ReceivePacket(hand, data, &newlen, from);
173 while (t != 0 && t != 3)
174 t = knix_ReceivePacket(hand, data, &newlen, from);
182 int KaliGetNodeNum(kaliaddr_ipx *myaddr) {
185 if (g_sockfd < 0 && knix_GetMyAddress())
189 if (knix_WaitforSocket(g_sockfd, 100) > 0) {
190 if (knix_ReceivePacket(g_sockfd, NULL, 0, NULL) == 4)
202 memcpy(myaddr->sa_nodenum, g_mynodenum, sizeof(g_mynodenum));
208 int KaliCloseSocket(int hand) {
209 char opendata[3] = {2, 0, 0};
212 knix_Send(hand, opendata, sizeof(opendata));
216 if (knix_WaitforSocket(hand, 100) > 0) {
217 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 7)
221 knix_Send(hand, opendata, sizeof(opendata));
229 int KaliOpenSocket(unsigned short port) {
235 opendata[0] = 1; // open socket
236 memcpy(&opendata[1], &port, sizeof(port));
237 pid = (int)htonl(getpid());
238 memcpy(&opendata[3], &pid, sizeof(pid));
239 strncpy(&opendata[7], KALI_PROCESS_NAME, sizeof(KALI_PROCESS_NAME));
242 if ((hand = knix_newSock()) < 0)
245 knix_Send(hand, opendata, sizeof(opendata));
249 if (knix_WaitforSocket(hand, 100) > 0) {
250 if (knix_ReceivePacket(hand, NULL, 0, NULL) == 6)
254 knix_Send(hand, opendata, sizeof(opendata));