static GDHCPServer *dhcp_server_start(const char *bridge,
const char *router, const char* subnet,
const char *start_ip, const char *end_ip,
unsigned int lease_time, const char *dns)
{
GDHCPServerError error;
GDHCPServer *dhcp_server;
int index;
DBG("");
index = connman_inet_ifindex(bridge);
if (index < 0)
return NULL;
dhcp_server = g_dhcp_server_new(G_DHCP_IPV4, index, &error);
if (dhcp_server == NULL) {
dhcp_server_error(error);
return NULL;
}
g_dhcp_server_set_debug(dhcp_server, dhcp_server_debug, "DHCP server");
g_dhcp_server_set_lease_time(dhcp_server, lease_time);
g_dhcp_server_set_option(dhcp_server, G_DHCP_SUBNET, subnet);
g_dhcp_server_set_option(dhcp_server, G_DHCP_ROUTER, router);
g_dhcp_server_set_option(dhcp_server, G_DHCP_DNS_SERVER, dns);
g_dhcp_server_set_ip_range(dhcp_server, start_ip, end_ip);
g_dhcp_server_start(dhcp_server);
return dhcp_server;
}
int main(int argc, char *argv[])
{
struct sigaction sa;
GDHCPServerError error;
GDHCPServer *dhcp_server;
int index;
if (argc < 2) {
printf("Usage: dhcp-server-test <interface index>\n");
exit(0);
}
index = atoi(argv[1]);
printf("Create DHCP server for interface %d\n", index);
dhcp_server = g_dhcp_server_new(G_DHCP_IPV4, index, &error);
if (dhcp_server == NULL) {
handle_error(error);
exit(0);
}
g_dhcp_server_set_debug(dhcp_server, dhcp_debug, "DHCP");
g_dhcp_server_set_lease_time(dhcp_server, 3600);
g_dhcp_server_set_option(dhcp_server, G_DHCP_SUBNET, "255.255.0.0");
g_dhcp_server_set_option(dhcp_server, G_DHCP_ROUTER, "192.168.0.2");
g_dhcp_server_set_option(dhcp_server, G_DHCP_DNS_SERVER, "192.168.0.3");
g_dhcp_server_set_ip_range(dhcp_server, "192.168.0.101",
"192.168.0.102");
main_loop = g_main_loop_new(NULL, FALSE);
printf("Start DHCP Server operation\n");
g_dhcp_server_start(dhcp_server);
memset(&sa, 0, sizeof(sa));
sa.sa_handler = sig_term;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
g_main_loop_run(main_loop);
g_dhcp_server_unref(dhcp_server);
g_main_loop_unref(main_loop);
return 0;
}
static int start_dhcp_server(struct connman_peer *peer)
{
const char *start_ip, *end_ip;
GDHCPServerError dhcp_error;
const char *broadcast;
const char *gateway;
const char *subnet;
int prefixlen;
int index;
int err;
DBG("");
err = -ENOMEM;
if (peer->sub_device)
index = connman_device_get_index(peer->sub_device);
else
index = connman_device_get_index(peer->device);
peer->ip_pool = __connman_ippool_create(index, 2, 1, NULL, NULL);
if (!peer->ip_pool)
goto error;
gateway = __connman_ippool_get_gateway(peer->ip_pool);
subnet = __connman_ippool_get_subnet_mask(peer->ip_pool);
broadcast = __connman_ippool_get_broadcast(peer->ip_pool);
start_ip = __connman_ippool_get_start_ip(peer->ip_pool);
end_ip = __connman_ippool_get_end_ip(peer->ip_pool);
prefixlen = connman_ipaddress_calc_netmask_len(subnet);
err = __connman_inet_modify_address(RTM_NEWADDR,
NLM_F_REPLACE | NLM_F_ACK, index, AF_INET,
gateway, NULL, prefixlen, broadcast);
if (err < 0)
goto error;
peer->dhcp_server = g_dhcp_server_new(G_DHCP_IPV4, index, &dhcp_error);
if (!peer->dhcp_server)
goto error;
g_dhcp_server_set_debug(peer->dhcp_server,
dhcp_server_debug, "Peer DHCP server");
g_dhcp_server_set_lease_time(peer->dhcp_server, 3600);
g_dhcp_server_set_option(peer->dhcp_server, G_DHCP_SUBNET, subnet);
g_dhcp_server_set_option(peer->dhcp_server, G_DHCP_ROUTER, gateway);
g_dhcp_server_set_option(peer->dhcp_server, G_DHCP_DNS_SERVER, NULL);
g_dhcp_server_set_ip_range(peer->dhcp_server, start_ip, end_ip);
err = g_dhcp_server_start(peer->dhcp_server);
if (err < 0)
goto error;
g_timeout_add_seconds(0, dhcp_server_started, connman_peer_ref(peer));
return 0;
error:
stop_dhcp_server(peer);
return err;
}