int arpResolve(pcs *pc, u_int ip, u_char *dmac)
{
int i, c;
struct packet *m;
int waittime = 1000;
struct timeval tv;
c = 0;
for (i = 0; i < POOL_SIZE; i++) {
if (pc->ipmac4[i].ip == ip &&
(time_tick - pc->ipmac4[i].timeout) <= 120 &&
!etherIsZero(pc->ipmac4[i].mac)) {
memcpy(dmac, pc->ipmac4[i].mac, ETH_ALEN);
return 1;
}
}
while (c++ < 3){
m = arp(pc, ip);
if (m == NULL) {
printf("out of memory\n");
return 0;
}
enq(&pc->oq, m);
gettimeofday(&(tv), (void*)0);
while (!timeout(tv, waittime)) {
delay_ms(1);
for (i = 0; i < POOL_SIZE; i++) {
if (pc->ipmac4[i].ip == ip &&
(time_tick - pc->ipmac4[i].timeout) <= 120 &&
!etherIsZero(pc->ipmac4[i].mac)) {
memcpy(dmac, pc->ipmac4[i].mac, ETH_ALEN);
return 1;
}
}
}
}
return 0;
}
int show_ipv6(int argc, char **argv)
{
int i, j, k;
char buf[128];
char buf6[INET6_ADDRSTRLEN + 1];
struct in6_addr ipaddr;
struct in_addr in;
int off1, off2, off3;
int max6 = 0;
int id = -1;
printf("\n");
if (argc == 3) {
if (!strncmp(argv[2], "all", strlen(argv[2]))) {
for (i = 0; i < num_pths; i++) {
if (vpc[i].ip6.ip.addr32[0] != 0 || vpc[i].ip6.ip.addr32[1] != 0 ||
vpc[i].ip6.ip.addr32[2] != 0 || vpc[i].ip6.ip.addr32[3] != 0) {
memset(buf6, 0, INET6_ADDRSTRLEN + 1);
memcpy(ipaddr.s6_addr, vpc[i].ip6.ip.addr8, 16);
vinet_ntop6(AF_INET6, &ipaddr, buf6, INET6_ADDRSTRLEN + 1);
j = sprintf(buf, "%s/%d", buf6, vpc[i].ip6.cidr);
if (j > max6)
max6 = j;
}
}
memset(buf, 0, sizeof(buf));
memset(buf, ' ', sizeof(buf) - 1);
off1 = 7;
off2 = off1 + max6 + 2;
off3 = off2 + 17 + 2;
j = sprintf(buf, "NAME");
buf[j] = ' ';
j = sprintf(buf + off1, "IP/MASK");
buf[j + off1] = ' ';
j = sprintf(buf + off2, "ROUTER LINK-LAYER");
buf[j + off2] = ' ';
j = sprintf(buf + off3, "MTU");
printf("%s\n", buf);
for (i = 0; i < num_pths; i++) {
memset(buf, 0, sizeof(buf));
memset(buf, ' ', sizeof(buf) - 1);
if (strcmp(vpc[i].xname, "VPCS")== 0)
j = sprintf(buf, "%s%d", vpc[i].xname, i + 1);
else
j = sprintf(buf, "%s", vpc[i].xname);
buf[j] = ' ';
memset(buf6, 0, INET6_ADDRSTRLEN + 1);
memcpy(ipaddr.s6_addr, vpc[i].link6.ip.addr8, 16);
vinet_ntop6(AF_INET6, &ipaddr, buf6, INET6_ADDRSTRLEN + 1);
sprintf(buf + 7, "%s/%d", buf6, vpc[i].link6.cidr);
j = printf("%s", buf);
if (vpc[i].ip6.ip.addr32[0] != 0 || vpc[i].ip6.ip.addr32[1] != 0 ||
vpc[i].ip6.ip.addr32[2] != 0 || vpc[i].ip6.ip.addr32[3] != 0) {
memset(buf6, 0, INET6_ADDRSTRLEN + 1);
memcpy(ipaddr.s6_addr, vpc[i].ip6.ip.addr8, 16);
vinet_ntop6(AF_INET6, &ipaddr, buf6, INET6_ADDRSTRLEN + 1);
printf("\n");
for (k = 0; k < off1; k++)
printf(" ");
j = printf("%s/%d", buf6, vpc[i].ip6.cidr);
j += off1;
}
for (k = j; k < off2; k++)
printf(" ");
if (etherIsZero(vpc[i].ip6.gmac)) {
j = sprintf(buf, " ");
} else {
j = 0;
for (k = 0; k < 6; k++)
j += sprintf(buf + k * 3, "%2.2x:", vpc[i].ip6.gmac[k]);
}
buf[j - 1] = ' ';
if (vpc[i].ip6.mtu)
j += sprintf(buf + j, " %4.4d", vpc[i].ip6.mtu);
else
j += sprintf(buf + j, " ");
//buf[j] = ' ';
printf("%s\n", buf);
}
return 1;
}
if (strlen(argv[2]) == 1 && digitstring(argv[2])){
id = argv[2][0] - '1';
}
} else if (argc == 2)
id = pcid;
if (id != -1) {
printf("NAME : %s[%d]\n", vpc[id].xname, id + 1);
printf("LINK-LOCAL SCOPE : ");
memset(buf6, 0, INET6_ADDRSTRLEN + 1);
memcpy(ipaddr.s6_addr, vpc[id].link6.ip.addr8, 16);
vinet_ntop6(AF_INET6, &ipaddr, buf6, INET6_ADDRSTRLEN + 1);
printf("%s/%d\n", buf6, vpc[id].link6.cidr);
printf("GLOBAL SCOPE : ");
if (vpc[id].ip6.ip.addr32[0] != 0 || vpc[id].ip6.ip.addr32[1] != 0 ||
vpc[id].ip6.ip.addr32[2] != 0 || vpc[id].ip6.ip.addr32[3] != 0) {
memset(buf6, 0, INET6_ADDRSTRLEN + 1);
memcpy(ipaddr.s6_addr, vpc[id].ip6.ip.addr8, 16);
vinet_ntop6(AF_INET6, &ipaddr, buf6, INET6_ADDRSTRLEN + 1);
printf("%s/%d", buf6, vpc[id].ip6.cidr);
}
printf("\n");
printf("ROUTER LINK-LAYER : ");
if (!etherIsZero(vpc[id].ip6.gmac))
PRINT_MAC(vpc[id].ip6.gmac);
printf("\n");
printf("MAC : ");
PRINT_MAC(vpc[id].ip4.mac);
printf("\n");
printf("LPORT : %d\n", vpc[id].lport);
in.s_addr = vpc[id].rhost;
printf("RHOST:PORT : %s:%d\n", inet_ntoa(in), vpc[id].rport);
printf("MTU: : ");
if (vpc[id].ip6.mtu)
printf("%d", vpc[id].ip6.mtu);
printf("\n");
return 1;
}
argv[argc - 1 ] = "?";
help_show(argc, argv);
return 1;
}
