static int
bound(void) // udhcpc bound here, also call wanup
{
char *wan_ifname = safe_getenv("interface");
char *value;
char tmp[100], prefix[] = "wanXXXXXXXXXX_";
int unit;
if ((unit = wan_ifunit(wan_ifname)) < 0)
strcpy(prefix, "wanx_");
else
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
if ((value = getenv("ip")))
nvram_set(strcat_r(prefix, "ipaddr", tmp), trim_r(value));
if ((value = getenv("subnet")))
nvram_set(strcat_r(prefix, "netmask", tmp), trim_r(value));
if ((value = getenv("router")))
nvram_set(strcat_r(prefix, "gateway", tmp), trim_r(value));
if ((value = getenv("dns")))
nvram_set(strcat_r(prefix, "dns", tmp), trim_r(value));
if ((value = getenv("wins")))
nvram_set(strcat_r(prefix, "wins", tmp), trim_r(value));
nvram_set(strcat_r(prefix, "routes", tmp), getenv("routes"));
nvram_set(strcat_r(prefix, "msroutes", tmp), getenv("msroutes"));
#if 0
if ((value = getenv("hostname")))
sethostname(trim_r(value), strlen(value) + 1);
#endif
if ((value = getenv("domain")))
nvram_set(strcat_r(prefix, "domain", tmp), trim_r(value));
if ((value = getenv("lease"))) {
nvram_set(strcat_r(prefix, "lease", tmp), trim_r(value));
expires(wan_ifname, atoi(value));
}
ifconfig(wan_ifname, IFUP,
nvram_safe_get(strcat_r(prefix, "ipaddr", tmp)),
nvram_safe_get(strcat_r(prefix, "netmask", tmp)));
spinlock_lock(SPINLOCK_DHCPRenew);
nvram_set("dhcp_renew", "0"); // for detectWAN
spinlock_unlock(SPINLOCK_DHCPRenew);
wan_up(wan_ifname);
logmessage("dhcp client", "%s IP: %s from %s (prefix: %s)",
udhcpstate,
nvram_safe_get(strcat_r(prefix, "ipaddr", tmp)),
nvram_safe_get(strcat_r(prefix, "gateway", tmp)), prefix);
wanmessage("");
dprintf("done\n");
return 0;
}
/*
* renew: This argument is used when a DHCP lease is renewed. All of
* the paramaters are set in enviromental variables. This argument is
* used when the interface is already configured, so the IP address,
* will not change, however, the other DHCP paramaters, such as the
* default gateway, subnet mask, and dns server may change.
*/
static int
renew(void)
{
char *wan_ifname = safe_getenv("interface");
char *value;
char tmp[100], prefix[] = "wanXXXXXXXXXX_";
int unit;
if ((unit = wan_ifunit(wan_ifname)) < 0)
strcpy(prefix, "wanx_");
else
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
if (!(value = getenv("subnet")) || !nvram_match(strcat_r(prefix, "netmask", tmp), trim_r(value)))
return bound();
if (!(value = getenv("router")) || !nvram_match(strcat_r(prefix, "gateway", tmp), trim_r(value)))
return bound();
if ((value = getenv("dns")) && !nvram_match(strcat_r(prefix, "dns", tmp), trim_r(value))) {
nvram_set(strcat_r(prefix, "dns", tmp), trim_r(value));
#if 0
update_resolvconf();
#else
add_dns(wan_ifname);
#endif
}
if ((value = getenv("wins")))
nvram_set(strcat_r(prefix, "wins", tmp), trim_r(value));
#if 0
if ((value = getenv("hostname")))
sethostname(trim_r(value), strlen(value) + 1);
#endif
if ((value = getenv("domain")))
nvram_set(strcat_r(prefix, "domain", tmp), trim_r(value));
if ((value = getenv("lease"))) {
nvram_set(strcat_r(prefix, "lease", tmp), trim_r(value));
expires(wan_ifname, atoi(value));
}
logmessage("dhcp client", "%s IP: %s from %s (prefix: %s)",
udhcpstate,
nvram_safe_get(strcat_r(prefix, "ipaddr", tmp)),
nvram_safe_get(strcat_r(prefix, "gateway", tmp)), prefix);
if (unit == 0)
update_wan_status(1);
wanmessage("");
dprintf("done\n");
return 0;
}
/*
* bound: This argument is used when udhcpc moves from an unbound, to
* a bound state. All of the paramaters are set in enviromental
* variables, The script should configure the interface, and set any
* other relavent parameters (default gateway, dns server, etc).
*/
static int
bound(void)
{
char *wan_ifname = safe_getenv("interface");
char *value;
char tmp[100], prefix[] = "wanXXXXXXXXXX_";
int unit;
if ((unit = wan_ifunit(wan_ifname)) < 0)
return -1;
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
if ((value = getenv("ip")))
nvram_set(strcat_r(prefix, "ipaddr", tmp), value);
if ((value = getenv("subnet")))
nvram_set(strcat_r(prefix, "netmask", tmp), value);
if ((value = getenv("router")))
nvram_set(strcat_r(prefix, "gateway", tmp), value);
if ((value = getenv("dns")))
nvram_set(strcat_r(prefix, "dns", tmp), value);
if ((value = getenv("wins")))
nvram_set(strcat_r(prefix, "wins", tmp), value);
if ((value = getenv("hostname")))
sethostname(value, strlen(value) + 1);
if ((value = getenv("domain")))
nvram_set(strcat_r(prefix, "domain", tmp), value);
if ((value = getenv("lease"))) {
nvram_set(strcat_r(prefix, "lease", tmp), value);
expires(wan_ifname, atoi(value));
}
ifconfig(wan_ifname, IFUP,
nvram_safe_get(strcat_r(prefix, "ipaddr", tmp)),
nvram_safe_get(strcat_r(prefix, "netmask", tmp)));
wan_up(wan_ifname);
dprintf("done\n");
return 0;
}
static int
expires(char *wan_ifname, unsigned int in)
{
time_t now;
FILE *fp;
char tmp[100];
int unit;
if ((unit = wan_ifunit(wan_ifname)) < 0)
return -1;
time(&now);
snprintf(tmp, sizeof(tmp), "/tmp/udhcpc%d.expires", unit);
if (!(fp = fopen(tmp, "w"))) {
perror(tmp);
return errno;
}
fprintf(fp, "%d", (unsigned int) now + in);
fclose(fp);
return 0;
}
int
wpacli_main(int argc, char **argv)
{
char tmp[100];
char prefix[] = "wanXXXXXXXXXX_";
int unit;
if (argc < 3 || (unit = wan_ifunit(argv[1])) < 0)
return EINVAL;
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
if (!nvram_match(strcat_r(prefix, "auth_x", tmp), "8021x-md5"))
return 0;
if (strncmp(argv[2], "CONNECTED", sizeof("CONNECTED")) == 0)
{
/* Called only once, no action */
}
if (strncmp(argv[2], "EAP-SUCCESS", sizeof("EAP-SUCCESS")) == 0)
{
/* Called multiple times on success (re)auth */
logmessage("802.1x client", "authenticated");
/* TODO: refresh dhcp? */
} else
if (strncmp(argv[2], "EAP-FAILURE", sizeof("EAP-FAILURE")) == 0)
{
/* Called every/multiple times on (re)auth fail and/or timeout */
if (nvram_get_int(strcat_r(prefix, "state_t", tmp)) != WAN_STATE_STOPPED)
logmessage("802.1x client", "authentication failed");
/* Reuse auth-fail state */
update_wan_state(prefix, WAN_STATE_STOPPED, WAN_STOPPED_REASON_PPP_AUTH_FAIL);
}
if (strncmp(argv[2], "DISCONNECTED", sizeof("DISCONNECTED")) == 0)
{
/* Called only once, no action */
}
return 0;
}
