void restart_radvd(void)
{
if (is_lan_radv_on() == 1)
reload_radvd();
else
stop_radvd();
}
void full_restart_ipv6(int ipv6_type_old)
{
int ipv6_type = get_ipv6_type();
int ipv6_toggled = ((ipv6_type == IPV6_DISABLED || ipv6_type_old == IPV6_DISABLED) && (ipv6_type != ipv6_type_old)) ? 1 : 0;
if (ipv6_toggled) {
stop_lltd();
stop_httpd();
}
stop_upnp();
stop_radvd();
stop_dhcp6c();
stop_dns_dhcpd();
if (ipv6_type == IPV6_DISABLED) {
hwnat_configure();
clear_all_route6();
clear_all_addr6();
clear_if_neigh6(IFNAME_BR);
stop_sit_tunnel();
reset_lan6_vars();
reset_wan6_vars();
control_if_ipv6_all(0);
update_resolvconf(0, 1);
restart_firewall();
start_dns_dhcpd(0);
} else {
control_if_ipv6_all(1);
clear_all_addr6();
reset_lan6_vars();
reload_lan_addr6();
full_restart_wan();
if (!is_dns_dhcpd_run())
start_dns_dhcpd(0);
}
if (ipv6_toggled) {
start_httpd(0);
start_lltd();
}
}
void wan6_down(char *wan_ifname)
{
int ipv6_type;
char *wan6_ifname;
ipv6_type = get_ipv6_type();
if (ipv6_type == IPV6_DISABLED)
return;
stop_radvd();
stop_dhcp6c();
control_if_ipv6_radv(wan_ifname, 0);
control_if_ipv6_autoconf(wan_ifname, 0);
if (ipv6_type == IPV6_6IN4 || ipv6_type == IPV6_6TO4 || ipv6_type == IPV6_6RD)
{
wan6_ifname = IFNAME_SIT;
if (is_interface_exist(IFNAME_SIT))
doSystem("ip link set dev %s down", IFNAME_SIT);
}
else
{
wan6_ifname = wan_ifname;
}
// clear WAN routes6
clear_if_route6(wan6_ifname);
// clear WAN addr6
clear_if_addr6(wan6_ifname);
// delete SIT tunnel
stop_sit_tunnel();
// clear DNS6 for resolv.conf
nvram_set("wan0_dns6", "");
}
void * cli_thread(void * arg)
{
int fd = (int)arg;
char buffer[BUF_SIZE];
size_t blen;
int i;
char * p;
int command = 0;
int selector = 0;
#define CMD_START 1
#define CMD_STOP 2
#define CMD_GET 3
#define SEL_AN1 1
#define SEL_AN2 2
for (blen = read(fd, buffer, sizeof(buffer) - 1); blen > 0 && blen < sizeof(buffer); blen = read(fd, buffer, sizeof(buffer) - 1)) {
buffer[blen] = '\0';
debug("Incoming raw command: %s", buffer);
command = 0;
selector = 0;
p = buffer;
for (i = 0; i < blen; i++) {
if (buffer[i] == '|' || buffer[i] == '\n') {
buffer[i] = '\0';
if (strcmp(p, "START") == 0)
command = CMD_START;
else if (strcmp(p, "STOP") == 0)
command = CMD_STOP;
else if (strcmp(p, "GET") == 0)
command = CMD_GET;
break;
}
}
if (i < blen - 1) {
p = &buffer[i+1];
for (i = 0; i < blen; i++) {
if (buffer[i] == '|' || buffer[i] == '\n') {
buffer[i] = '\0';
}
}
if (strcmp(p, "radvd-an1") == 0)
selector = SEL_AN1;
else if (strcmp(p, "radvd-an2") == 0)
selector = SEL_AN2;
}
if (command == 0 || (selector == 0 && command != CMD_GET)) {
error(-1, "Invalid command: c %d s %d", command, selector);
continue;
}
debug("Incoming command: %s %s", (command == CMD_START) ? "/start/" : (command == CMD_STOP) ? "/stop/" : "/get/",
(selector == SEL_AN1) ? "/AN1/" : (selector == SEL_AN2) ? "/AN2/" : "//");
switch(command) {
case CMD_START:
switch(selector) {
case SEL_AN1:
start_radvd(an1_args, &an1_pid);
break;
case SEL_AN2:
start_radvd(an2_args, &an2_pid);
break;
}
break;
case CMD_STOP:
switch(selector) {
case SEL_AN1:
stop_radvd(&an1_pid);
break;
case SEL_AN2:
stop_radvd(&an2_pid);
break;
}
break;
case CMD_GET:
break;
}
memset(buffer, 0, sizeof(buffer));
snprintf(buffer, sizeof(buffer), "STATUS|radvd-an1|%s|radvd-an2|%s",
(an1_pid == 0) ? "stopped" : "running",
(an2_pid == 0) ? "stopped" : "running");
debug("Status after command: %s", buffer);
write(fd, buffer, strlen(buffer));
}
if (blen == 0)
debug("Connection closed");
else
error(blen, "Connection error (read)");
return NULL;
}
