/** 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;
}
