void init_system (void) {
/* Initialize configured interfaces and applications. */
#if ETH_ENABLE == 1
init_eth_link ();
#endif
#if PPP_ENABLE == 1
init_ppp_link ();
#endif
#if SLIP_ENABLE == 1
init_slip_link ();
#endif
#if (IGMP_ENABLE & ETH_ENABLE) == 1
init_igmp ();
#endif
#if UDP_ENABLE == 1
init_udp ();
#endif
#if TCP_ENABLE == 1
init_tcp ();
#endif
#if HTTP_ENABLE == 1
init_http ();
#endif
#if TNET_ENABLE == 1
init_tnet ();
#endif
#if TFTP_ENABLE == 1
init_tftp ();
#endif
#if (NBNS_ENABLE & ETH_ENABLE) == 1
init_nbns ();
#endif
#if (DHCP_ENABLE & ETH_ENABLE) == 1
init_dhcp ();
#endif
#if DNS_ENABLE == 1
init_dns ();
#endif
#if SMTP_ENABLE == 1
init_smtp ();
#endif
}
int main(int argc, char **argv)
{
mode = IPv4;
daemon = 1;
err = stderr;
portset = 0;
srand(time(NULL));
int i;
for (i = 1; i < argc; ++i) {
if (strcmp(argv[i], "-f") == 0) {
daemon = 0;
} else if (strcmp(argv[i], "-p") == 0) {
portset = 1;
} else if (i + 1 < argc && strcmp(argv[i], "--network-interface") == 0) {
++i;
strcpy(network_interface_name, argv[i]);
} else if (i + 1 < argc && strcmp(argv[i], "--encap-mode") == 0) {
++i;
if (strcmp(argv[i], "ipv4") == 0) {
mode = IPv4;
} else if (strcmp(argv[i], "ipv6") == 0) {
mode = IPv6;
} else if (strcmp(argv[i], "dhcpv6") == 0) {
mode = DHCPv6;
} else {
usage();
exit(0);
}
} else if (i + 1 < argc && strcmp(argv[i], "--server-addr") == 0) {
++i;
strcpy(server_addr, argv[i]);
} else if (i + 1 < argc && strcmp(argv[i], "--local-addr") == 0) {
++i;
strcpy(local_addr, argv[i]);
} else {//config-interface
strcpy(config_interface_name, argv[i]);
}
}
if (mode == IPv6) {
if (strlen(server_addr) == 0) {
fprintf(err, "server-addr MUST be configured in DHCPv4-over-IPv6 mode!\n");
exit(0);
}
memset(&dest, 0, sizeof(dest));
dest.sin6_family = AF_INET6;
//dest.sin6_port = htons(IPv6_SERVER_PORT);
if (inet_pton(AF_INET6, server_addr, &dest.sin6_addr) < 0) {
fprintf(err, "Failed to resolve server_addr : %s\n", server_addr);
exit(1);
}
printf("server-addr : %s\n", server_addr);
}
if (mode == DHCPv6) {
memset(&dest, 0, sizeof(dest));
dest.sin6_family = AF_INET6;
if (strlen(server_addr) == 0) {
strcpy(server_addr, "ff02::1:2");
}
if (inet_pton(AF_INET6, server_addr, &dest.sin6_addr) < 0) {
fprintf(err, "Failed to resolve server_addr : %s\n", server_addr);
exit(1);
}
}
if ((mode == IPv6 || mode == DHCPv6) && strlen(local_addr) > 0) {
memset(&src, 0, sizeof(src));
src.sin6_family = AF_INET6;
if (inet_pton(AF_INET6, local_addr, &src.sin6_addr) < 0) {
fprintf(err, "Failed to resolve local_addr : %s\n", local_addr);
exit(1);
}
printf("local-addr : %s\n", local_addr);
}
if (portset)
printf("port set mode\n");
// else
// printf("No Port Set!\n");
if (config_interface_name[0] == '\0') {
usage();
exit(0);
}
if (network_interface_name[0] == '\0')
strcpy(network_interface_name, config_interface_name);
init_interfaces();
init_dhcp();
if (daemon)
init_daemon();
while (1) {
handle_dhcp();
}
return 0;
}
