/* the real action:
- increment the forced update times counter
- detect current IP
- connect to an HTTP server
- parse the response for IP addr
- for all the names that have to be maintained
- get the current DYN DNS address from DYN DNS server
- compare and update if neccessary
*/
RC_TYPE dyn_dns_update_ip(DYN_DNS_CLIENT *p_self)
{
RC_TYPE rc;
if (p_self == NULL)
{
return RC_INVALID_POINTER;
}
do
{
/*ask IP server something so he will respond and give me my IP */
rc = do_ip_server_transaction(p_self);
if (rc != RC_OK)
{
DBG_PRINTF((LOG_WARNING,"W: DYNDNS: Error '%s' (0x%x) when talking to IP server\n",
errorcode_get_name(rc), rc));
break;
}
if (p_self->dbg.level > 1)
{
DBG_PRINTF((LOG_DEBUG,"DYNDNS: IP server response: %s\n", p_self->p_work_buffer));
}
/*extract my IP, check if different than previous one*/
rc = do_parse_my_ip_address(p_self);
if (rc != RC_OK)
{
break;
}
if (p_self->dbg.level > 1)
{
DBG_PRINTF((LOG_WARNING,"W: DYNDNS: My IP address: %s\n", p_self->info.my_ip_address.name));
}
/*step through aliases list, resolve them and check if they point to my IP*/
rc = do_check_alias_update_table(p_self);
if (rc != RC_OK)
{
break;
}
/*update IPs marked as not identical with my IP*/
rc = do_update_alias_table(p_self);
if (rc != RC_OK)
{
break;
}
}
while(0);
return rc;
}
/** the real action:
- increment the forced update times counter
- detect current IP
- connect to an HTTP server
- parse the response for IP addr
- for all the names that have to be maintained
- get the current DYN DNS address from DYN DNS server
- compare and update if neccessary
*/
int dyn_dns_update_ip(ddns_t *ctx)
{
int servernum = 0; /* server to use for requesting IP */
/*use server 0 by default, should be always exist */
int rc;
if (!ctx)
return RC_INVALID_POINTER;
do {
if (ctx->check_interface) {
rc = do_ip_check_interface(ctx);
if (rc != 0)
break;
} else {
/* Ask IP server something so he will respond and give me my IP */
rc = do_ip_server_transaction(ctx, servernum);
if (rc != 0)
break;
if (ctx->dbg.level > 1) {
logit(LOG_DEBUG, "IP server response:");
logit(LOG_DEBUG, "%s", ctx->work_buf);
}
/* Extract our IP, check if different than previous one */
rc = do_parse_my_ip_address(ctx, servernum);
if (rc != 0)
break;
if (ctx->dbg.level > 1)
logit(LOG_INFO, "Current public IP# %s",
ctx->info[servernum].my_ip_address.name);
}
/* Step through aliases list, resolve them and check if they point to my IP */
rc = do_check_alias_update_table(ctx);
if (rc != 0)
break;
/* Update IPs marked as not identical with my IP */
rc = do_update_alias_table(ctx);
if (rc != 0)
break;
}
while (0);
return rc;
}
/** the real action:
- increment the forced update times counter
- detect current IP
- connect to an HTTP server
- parse the response for IP addr
- for all the names that have to be maintained
- get the current DYN DNS address from DYN DNS server
- compare and update if neccessary
*/
RC_TYPE dyn_dns_update_ip(DYN_DNS_CLIENT *p_self)
{
int servernum = 0; /* server to use for requesting IP */
/*use server 0 by default, should be always exist */
RC_TYPE rc;
if (p_self == NULL)
{
return RC_INVALID_POINTER;
}
do
{
if (p_self->check_interface)
{
rc = do_ip_check_interface(p_self);
if (rc != RC_OK)
{
break;
}
}
else
{
/* Ask IP server something so he will respond and give me my IP */
rc = do_ip_server_transaction(p_self, servernum);
if (rc != RC_OK)
{
break;
}
if (p_self->dbg.level > 1)
{
logit(LOG_DEBUG, MODULE_TAG "IP server response:");
logit(LOG_DEBUG, MODULE_TAG "%s", p_self->p_work_buffer);
}
/* Extract our IP, check if different than previous one */
rc = do_parse_my_ip_address(p_self, servernum);
if (rc != RC_OK)
{
break;
}
if (p_self->dbg.level > 1)
{
logit(LOG_INFO, MODULE_TAG "Current public IP# %s", p_self->info[servernum].my_ip_address.name);
}
}
/* Step through aliases list, resolve them and check if they point to my IP */
rc = do_check_alias_update_table(p_self);
if (rc != RC_OK)
{
break;
}
/* Update IPs marked as not identical with my IP */
rc = do_update_alias_table(p_self);
if (rc != RC_OK)
{
break;
}
}
while (0);
return rc;
}
/* the real action:
- increment the forced update times counter
- detect current IP
- connect to an HTTP server
- parse the response for IP addr
- for all the names that have to be maintained
- get the current DYN DNS address from DYN DNS server
- compare and update if neccessary
*/
RC_TYPE dyn_dns_update_ip(DYN_DNS_CLIENT *p_self)
{
RC_TYPE rc = RC_OK;
if (p_self == NULL)
{
return RC_INVALID_POINTER;
}
do
{
if (nvram_match("ddns_wan_ip","1"))
{
char new_ip_str[32];
int wan_link = check_wan_link(0);
char *wan_ipaddr = NULL;
if (nvram_match("wan_proto", "pptp")) {
wan_ipaddr =
wan_link ? nvram_safe_get("pptp_get_ip") :
nvram_safe_get("wan_ipaddr");
} else if (!strcmp(nvram_safe_get("wan_proto"), "pppoe")) {
wan_ipaddr =
wan_link ? nvram_safe_get("wan_ipaddr") : "0.0.0.0";
} else if (!strcmp(nvram_safe_get("wan_proto"), "3g")) {
wan_ipaddr =
wan_link ? nvram_safe_get("wan_ipaddr") : "0.0.0.0";
} else if (nvram_match("wan_proto", "l2tp")) {
wan_ipaddr =
wan_link ? nvram_safe_get("l2tp_get_ip") :
nvram_safe_get("wan_ipaddr");
} else if (nvram_match("wan_proto", "disabled")) {
wan_ipaddr = "0.0.0.0";
} else {
wan_ipaddr = nvram_safe_get("wan_ipaddr");
}
if (!strcmp(wan_ipaddr,"0.0.0.0")) {
DBG_PRINTF((LOG_WARNING,"W: DYNDNS: Error: device has no WAN Address\n"));
rc = RC_ERROR;
break;
}
strcpy(new_ip_str,wan_ipaddr);
p_self->info.my_ip_has_changed = (strcmp(new_ip_str, p_self->info.my_ip_address.name) != 0);
strcpy(p_self->info.my_ip_address.name, new_ip_str);
rc = RC_OK;
}else{
/*ask IP server something so he will respond and give me my IP */
rc = do_ip_server_transaction(p_self);
if (rc != RC_OK)
{
DBG_PRINTF((LOG_WARNING,"W: DYNDNS: Error '%s' (0x%x) when talking to IP server\n",
errorcode_get_name(rc), rc));
break;
}
if (p_self->dbg.level > 1)
{
DBG_PRINTF((LOG_DEBUG,"DYNDNS: IP server response: %s\n", p_self->p_work_buffer));
}
/*extract my IP, check if different than previous one*/
rc = do_parse_my_ip_address(p_self);
if (rc != RC_OK)
{
break;
}
}
if (p_self->dbg.level > 1)
{
DBG_PRINTF((LOG_WARNING,"W: DYNDNS: My IP address: %s\n", p_self->info.my_ip_address.name));
}
/*step through aliases list, resolve them and check if they point to my IP*/
rc = do_check_alias_update_table(p_self);
if (rc != RC_OK)
{
break;
}
/*update IPs marked as not identical with my IP*/
rc = do_update_alias_table(p_self);
if (rc != RC_OK)
{
break;
}
}
while(0);
return rc;
}
