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ncpfs/ipx-1.0/Samples/sap.c
ncpfs archive import 82706139bf Import ncpfs 2.2.1
2026-04-28 20:39:59 +02:00

91 lines
1.9 KiB
C

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