1 /* $Id: ipx_win.c,v 1.8 2003-11-26 12:26:25 btb Exp $ */
5 * IPX driver using BSD style sockets
6 * Mostly taken from dosemu
24 #define _do_mprintf(n, format, args...) printf(format, ## args)
25 #define mprintf(args) _do_mprintf args
30 //#define n_printf(format, args...) mprintf((1, format, ## args))
32 static int ipx_win_GetMyAddress( void )
36 struct sockaddr_ipx ipxs;
37 struct sockaddr_ipx ipxs2;
41 // sock=socket(AF_IPX,SOCK_DGRAM,PF_IPX);
42 sock=socket(AF_IPX,SOCK_DGRAM,0);
46 mprintf((1,"IPX: could not open socket in GetMyAddress\n"));
50 /* bind this socket to network 0 */
51 ipxs.sa_family=AF_IPX;
52 #ifdef IPX_MANUAL_ADDRESS
53 memcpy(ipxs.sa_netnum, ipx_MyAddress, 4);
55 memset(ipxs.sa_netnum, 0, 4);
59 if(bind(sock,(struct sockaddr *)&ipxs,sizeof(ipxs))==-1)
61 mprintf((1,"IPX: could bind to network 0 in GetMyAddress\n"));
67 if (getsockname(sock,(struct sockaddr *)&ipxs2,&len) < 0) {
68 mprintf((1,"IPX: could not get socket name in GetMyAddress\n"));
73 memcpy(ipx_MyAddress, ipxs2.sa_netnum, 4);
74 for (i = 0; i < 6; i++) {
75 ipx_MyAddress[4+i] = ipxs2.sa_nodenum[i];
77 /* printf("My address is 0x%.4X:%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\n", *((int *)ipxs2.sa_netnum), ipxs2.sa_nodenum[0],
78 ipxs2.sa_nodenum[1], ipxs2.sa_nodenum[2], ipxs2.sa_nodenum[3], ipxs2.sa_nodenum[4], ipxs2.sa_nodenum[5]);*/
86 static int ipx_win_OpenSocket(ipx_socket_t *sk, int port)
88 int sock; /* sock here means Linux socket handle */
90 struct sockaddr_ipx ipxs;
92 struct sockaddr_ipx ipxs2;
94 /* DANG_FIXTHIS - kludge to support broken linux IPX stack */
95 /* need to convert dynamic socket open into a real socket number */
97 mprintf((1,"IPX: using socket %x\n", nextDynamicSocket));
98 port = nextDynamicSocket++;
101 /* do a socket call, then bind to this port */
102 // sock = socket(AF_IPX, SOCK_DGRAM, PF_IPX);
103 // sock = socket(AF_IPX, SOCK_DGRAM, 0);
104 sock = socket(AF_IPX, SOCK_DGRAM, NSPROTO_IPX);//why NSPROTO_IPX? I looked in the quake source and thats what they used. :) -MPM (on w2k 0 and PF_IPX don't work)
106 mprintf((1,"IPX: could not open IPX socket.\n"));
112 /* Permit broadcast output */
113 if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST,
114 (const char *)&opt, sizeof(opt)) == -1) {
115 mprintf((1,"IPX: could not set socket option for broadcast.\n"));
118 ipxs.sa_family = AF_IPX;
119 memcpy(ipxs.sa_netnum, ipx_MyAddress, 4);
120 // *((unsigned int *)&ipxs.sa_netnum[0]) = *((unsigned int *)&ipx_MyAddress[0]);
121 /* ipxs.sa_netnum = htonl(MyNetwork); */
122 memset(ipxs.sa_nodenum, 0, 6);
123 // bzero(ipxs.sa_nodenum, 6); /* Please fill in my node name */
124 ipxs.sa_socket = htons((short)port);
126 /* now bind to this port */
127 if (bind(sock, (struct sockaddr *) &ipxs, sizeof(ipxs)) == -1) {
128 mprintf((1,"IPX: could not bind socket to address\n"));
134 // len = sizeof(ipxs2);
135 // if (getsockname(sock,(struct sockaddr *)&ipxs2,&len) < 0) {
136 // //n_printf("IPX: could not get socket name in IPXOpenSocket\n");
137 // closesocket( sock );
140 // port = htons(ipxs2.sa_socket);
141 // //n_printf("IPX: opened dynamic socket %04x\n", port);
144 if (getsockname(sock,(struct sockaddr *)&ipxs2,&len) < 0) {
145 mprintf((1,"IPX: could not get socket name in IPXOpenSocket\n"));
150 port = htons(ipxs2.sa_socket);
151 mprintf((1,"IPX: opened dynamic socket %04x\n", port));
154 memcpy(ipx_MyAddress, ipxs2.sa_netnum, 4);
155 memcpy(ipx_MyAddress + 4, ipxs2.sa_nodenum, 6);
162 static void ipx_win_CloseSocket(ipx_socket_t *mysock) {
163 /* now close the file descriptor for the socket, and free it */
164 mprintf((1,"IPX: closing file descriptor on socket %x\n", mysock->socket));
165 closesocket(mysock->fd);
168 static int ipx_win_SendPacket(ipx_socket_t *mysock, IPXPacket_t *IPXHeader,
169 u_char *data, int dataLen) {
170 struct sockaddr_ipx ipxs;
172 ipxs.sa_family = AF_IPX;
173 /* get destination address from IPX packet header */
174 memcpy(&ipxs.sa_netnum, IPXHeader->Destination.Network, 4);
175 /* if destination address is 0, then send to my net */
176 if ((*(unsigned int *)&ipxs.sa_netnum) == 0) {
177 (*(unsigned int *)&ipxs.sa_netnum)= *((unsigned int *)&ipx_MyAddress[0]);
178 /* ipxs.sa_netnum = htonl(MyNetwork); */
180 memcpy(&ipxs.sa_nodenum, IPXHeader->Destination.Node, 6);
181 memcpy(&ipxs.sa_socket, IPXHeader->Destination.Socket, 2);
182 // ipxs.sa_type = IPXHeader->PacketType;
183 /* ipxs.sipx_port=htons(0x452); */
184 return sendto(mysock->fd, data, dataLen, 0,
185 (struct sockaddr *) &ipxs, sizeof(ipxs));
188 static int ipx_win_ReceivePacket(ipx_socket_t *s, char *buffer, int bufsize,
189 struct ipx_recv_data *rd) {
191 struct sockaddr_ipx ipxs;
194 if ((size = recvfrom(s->fd, buffer, bufsize, 0,
195 (struct sockaddr *) &ipxs, &sz)) <= 0)
197 memcpy(rd->src_network, ipxs.sa_netnum, 4);
198 memcpy(rd->src_node, ipxs.sa_nodenum, 6);
199 rd->src_socket = ipxs.sa_socket;
200 rd->dst_socket = s->socket;
201 // rd->pkt_type = ipxs.sipx_type;
206 struct ipx_driver ipx_win = {
207 ipx_win_GetMyAddress,
211 ipx_win_ReceivePacket,
212 ipx_general_PacketReady,
213 NULL, // InitNetgameAuxData
214 NULL, // HandleNetgameAuxData
215 NULL, // HandleLeaveGame