91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
#include "samples.h"
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struct sap_data
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{
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u_int16_t sap_type __attribute__((packed));
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char sap_name[48] __attribute__((packed));
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u_int32_t sap_net __attribute__((packed));
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u_int8_t sap_node[6] __attribute__((packed));
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u_int16_t sap_sock __attribute__((packed));
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u_int16_t sap_hops __attribute__((packed));
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};
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int
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main(int argc, char **argv)
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{
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int s;
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int result;
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struct sockaddr_ipx sipx;
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char msg[1024];
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long val = 0;
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int len;
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char *bptr;
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struct sap_data *sp;
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s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
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if (s < 0)
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{
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perror("IPX: socket: ");
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exit(-1);
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}
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result = setsockopt(s, SOL_SOCKET, SO_DEBUG, &val, 4);
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if (result < 0)
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{
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perror("IPX: setsockopt: ");
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exit(-1);
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}
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sipx.sipx_family = PF_IPX;
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sipx.sipx_network = 0L;
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sipx.sipx_port = htons(0x452);
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sipx.sipx_type = 17;
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result = bind(s, (struct sockaddr *) &sipx, sizeof(sipx));
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if (result < 0)
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{
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perror("IPX: bind: ");
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exit(-1);
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}
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while (1)
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{
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len = 1024;
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result = recvfrom(s, msg, sizeof(msg), 0,
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(struct sockaddr *) &sipx, &len);
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if (result < 0)
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{
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perror("IPX: recvfrom: ");
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exit(-1);
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}
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bptr = msg;
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result -= 2;
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printf("SAP: OP is %x %x\n", bptr[0], bptr[1]);
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printf("Length is %d\n", result);
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if (bptr[1] != 2)
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continue;
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bptr += 2;
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sp = (struct sap_data *) bptr;
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while (result >= sizeof(struct sap_data))
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{
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int i;
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sp->sap_name[32] = '\0';
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for (i = 31; (i > 0) && (sp->sap_name[i] == '_'); i--);
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i++;
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sp->sap_name[i] = '\0';
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printf("NAME: %s TYPE: %x HOPS: %x\n", sp->sap_name,
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ntohs(sp->sap_type), ntohs(sp->sap_hops));
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printf("%x:%x %x %x %x %x %x: %x\n",
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(u_int32_t)ntohl(sp->sap_net),
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sp->sap_node[0],
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sp->sap_node[1],
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sp->sap_node[2],
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sp->sap_node[3],
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sp->sap_node[4],
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sp->sap_node[5],
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ntohs(sp->sap_sock));
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result -= sizeof(struct sap_data);
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sp++;
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}
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}
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}
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