* @license GPLv2
*/
-#include "service_gnudip.h"
-#include "util.h"
+#include "service_gnudip.hpp"
+#include "util.hpp"
#include <time.h>
#include <boost/foreach.hpp>
* @param _login The login name.
* @param _password The corresponding password.
*/
-ServiceGnudip::ServiceGnudip(const string& _protocol, const string& _gnudip_server, const string& _hostname, const string& _login, const string& _password, const Logger::Ptr& _logger, const int _update_interval, const int _max_updates_within_interval, const int _dns_cache_ttl, const string& _proxy, const int _proxy_port)
+ServiceGnudip::ServiceGnudip(const string& _protocol, const string& _gnudip_server, const string& _hostname, const string& _login, const string& _password, const Logger::Ptr& _logger, const int _update_interval, const int _max_updates_within_interval, const int _max_equal_updates_in_succession, const int _dns_cache_ttl, const string& _proxy, const int _proxy_port)
: GnudipServer(_gnudip_server)
{
if ( _update_interval == -1 ) // If _update_interval is default po::option_desc (not specified via config)
- set_update_interval(0); // use default protocol value
+ set_update_interval(15); // use default protocol value
else
set_update_interval(_update_interval);
if ( _max_updates_within_interval == -1 )
- set_max_updates_within_interval(0);
+ set_max_updates_within_interval(3);
else
set_max_updates_within_interval(_max_updates_within_interval);
+ if ( _max_equal_updates_in_succession == -1 )
+ set_max_equal_updates_in_succession(2);
+ else
+ set_max_equal_updates_in_succession(_max_equal_updates_in_succession);
+
if ( _dns_cache_ttl == -1 )
set_dns_cache_ttl(60);
else
set_logger(_logger);
// create http helper class
- HTTPHelper::Ptr _http_help(new HTTPHelper(_logger,_proxy,_proxy_port,_login,_password));
- HTTPHelp.swap(_http_help);
+ HTTPHelp = HTTPHelper::Ptr(new HTTPHelper(_logger,_proxy,_proxy_port,_login,_password));
- BaseUrl = assemble_base_url(get_hostname(),_gnudip_server);
+ BaseUrl = assemble_base_url(_gnudip_server);
}
/**
* Assemble the dyndns update url from the given fqhn
- * @param hostname The fqhn hostname to update IP for.
+ * @param gnudip_server The gnudip update server.
* @return The assembled update url without IP.
*/
-string ServiceGnudip::assemble_base_url(const string& fqhn, const string& gnudip_server) const
+string ServiceGnudip::assemble_base_url(const string& gnudip_server) const
{
string base_url;
map<string,string> response;
// regex for salt
- boost::regex expr_salt("<meta name=\"salt\" content=\"(.*)\">");
+ boost::regex expr_salt("<meta name=\"salt\" content=\"([^\"]*)\"");
// regex for time
- boost::regex expr_time("<meta name=\"time\" content=\"(.*)\">");
+ boost::regex expr_time("<meta name=\"time\" content=\"([^\"]*)\"");
// regex for sign
- boost::regex expr_sign("<meta name=\"sign\" content=\"(.*)\">");
+ boost::regex expr_sign("<meta name=\"sign\" content=\"([^\"]*)\"");
boost::smatch matches;
// Get the salt out of received http data
if ( boost::regex_search(curl_data,matches,expr_salt) )
{
- response.insert(pair<string,string>("salt",matches[1]));
- get_logger()->print_regex_match(expr_salt.str(),matches[1]);
+ response.insert(pair<string,string>("salt",matches[1].str())); /*lint !e534 */
+ get_logger()->print_regex_match(expr_salt.str(),matches[1].str());
}
else
{
// Get the time out of received http data
if ( boost::regex_search(curl_data,matches,expr_time) )
{
- response.insert(pair<string,string>("time",matches[1]));
- get_logger()->print_regex_match(expr_salt.str(),matches[1]);
+ response.insert(pair<string,string>("time",matches[1].str())); /*lint !e534 */
+ get_logger()->print_regex_match(expr_salt.str(),matches[1].str());
}
else
{
// Get the sign out of received http data
if ( boost::regex_search(curl_data,matches,expr_sign) )
{
- response.insert(pair<string,string>("sign",matches[1]));
- get_logger()->print_regex_match(expr_salt.str(),matches[1]);
+ response.insert(pair<string,string>("sign",matches[1].str())); /*lint !e534 */
+ get_logger()->print_regex_match(expr_salt.str(),matches[1].str());
}
else
{
/**
+ * Parses the data received from the update request, which should contain the return code.
+ * @param curl_data The complete received curl data.
+ * @return A string containing the return code of the update request.
+ */
+string ServiceGnudip::parse_return_code(const string& curl_data) const
+{
+ string return_code;
+
+ // regex for return code
+ boost::regex expr_retc("<meta name=\"retc\" content=\"([^\"]*)\"");
+ boost::smatch matches;
+
+ // Get the return code out of received http data
+ if ( boost::regex_search(curl_data,matches,expr_retc) )
+ {
+ return_code = matches[1].str();
+ get_logger()->print_regex_match(expr_retc.str(),matches[1].str());
+ }
+ else
+ {
+ get_logger()->print_no_regex_match(expr_retc.str(),curl_data);
+ return return_code;
+ }
+
+ return return_code;
+}
+
+
+/**
* Get the assembled update url.
* @param salt Salt from the initial request
* @param time Time from the initial request
* @param ip IP to update
* @return The assembled update url.
*/
-string ServiceGnudip::assemble_update_url(const string& salt, const string& time, const string& sign, const string& secret, const string& ip) const
+string ServiceGnudip::assemble_update_url(const string& salt, const string& curr_time, const string& sign, const string& secret, const string& ip) const
{
string url = BaseUrl;
url.append("?salt=");
url.append(salt);
url.append("&time=");
- url.append(time);
+ url.append(curr_time);
url.append("&sign=");
url.append(sign);
url.append("&user=");
url.append(get_login());
url.append("&domn=");
- url.append(get_hostname());
+ string fqhn = get_hostname();
+ string domain = fqhn.substr(fqhn.find('.')+1);
+ url.append(domain);
url.append("&pass=");
url.append(secret);
url.append("&reqc=0&addr=");
* @param ip IP Address to set.
* @return 0 if all is fine, -1 otherwise.
*/
-int ServiceGnudip::perform_update(const std::string& ip)
+Service::UpdateErrorCode ServiceGnudip::perform_update(const std::string& ip)
{
- // initial request
- long http_status_code = HTTPHelp->http_get(BaseUrl);
-
- get_logger()->print_http_status_code(BaseUrl,http_status_code);
-
- if ( http_status_code == 200 )
+ if ( HTTPHelp->is_initialized() )
{
- // Get the received http data which should contain the salt, time and sign
- string curl_data = HTTPHelp->get_curl_data();
+ // initial request
+ long http_status_code = HTTPHelp->http_get(BaseUrl);
- // Parse salt, time and sign out of the received data
- map<string,string> salt_time_sign = parse_initial_request(curl_data);
+ get_logger()->print_http_status_code(BaseUrl,http_status_code);
- if ( salt_time_sign.empty() )
+ if ( http_status_code == 200 )
{
- get_logger()->print_could_not_parse_received_data(curl_data);
- return -1;
- }
+ // Get the received http data which should contain the salt, time and sign
+ string curl_data = HTTPHelp->get_curl_data();
- // at this point we have salt, time and sign parsed successfully
- string salt, time, sign;
+ // Parse salt, time and sign out of the received data
+ map<string,string> salt_time_sign = parse_initial_request(curl_data);
- map<string,string>::iterator iter = salt_time_sign.find("salt");
- if ( iter != salt_time_sign.end() )
- salt = iter->second;
+ if ( salt_time_sign.empty() )
+ {
+ get_logger()->print_could_not_parse_received_data(curl_data);
+ return GenericError;
+ }
- iter = salt_time_sign.find("time");
- if ( iter != salt_time_sign.end() )
- time = iter->second;
+ // at this point we have salt, time and sign parsed successfully
+ string salt, sign_time, sign;
- iter = salt_time_sign.find("sign");
- if ( iter != salt_time_sign.end() )
- sign = iter->second;
+ map<string,string>::iterator iter = salt_time_sign.find("salt");
+ if ( iter != salt_time_sign.end() )
+ salt = iter->second;
- if ( salt.empty() || time.empty() || sign.empty() )
- get_logger()->print_could_not_get_initial_gnudip_data();
+ iter = salt_time_sign.find("time");
+ if ( iter != salt_time_sign.end() )
+ sign_time = iter->second;
- // compute md5 sum from users password and get the HEX representation
- string pw_md5_hex;
- try
- {
- pw_md5_hex = Util::compute_md5_digest(get_password());
- }
- catch ( invalid_argument e )
- {
- get_logger()->print_exception_md5_sum(e.what());
- return -1;
- }
+ iter = salt_time_sign.find("sign");
+ if ( iter != salt_time_sign.end() )
+ sign = iter->second;
- // append "." and salt and compute md5 sum and get the HEX representation
- pw_md5_hex.append(".");
- pw_md5_hex.append(salt);
-
- string secret;
- try
- {
- secret = Util::compute_md5_digest(pw_md5_hex);
- }
- catch ( invalid_argument e )
- {
- get_logger()->print_exception_md5_sum(e.what());
- return -1;
- }
+ if ( salt.empty() || sign_time.empty() || sign.empty() )
+ get_logger()->print_could_not_get_initial_gnudip_data();
- // Now its time to issue the second http_get operation
- string url = assemble_update_url(salt, time, sign, secret, ip);
-
- // perform the update operation
- http_status_code = HTTPHelp->http_get(url);
+ // compute md5 sum from users password and get the HEX representation
+ string pw_md5_hex;
+ try
+ {
+ pw_md5_hex = Util::compute_md5_digest(get_password());
+ }
+ catch ( exception& e )
+ {
+ get_logger()->print_exception_md5_sum(e.what());
+ return GenericError;
+ }
+ catch ( ... )
+ {
+ get_logger()->print_exception_md5_sum("Unknown exception");
+ return GenericError;
+ }
- get_logger()->print_http_status_code(url,http_status_code);
+ // append "." and salt and compute md5 sum and get the HEX representation
+ pw_md5_hex.append(".");
+ pw_md5_hex.append(salt);
- if ( http_status_code == 200 )
- {
- // parse the update request return code
- string update_return_code = HTTPHelp->get_curl_data();
- if ( update_return_code == "0" )
+ string secret;
+ try
+ {
+ secret = Util::compute_md5_digest(pw_md5_hex);
+ }
+ catch ( exception& e )
+ {
+ get_logger()->print_exception_md5_sum(e.what());
+ return GenericError;
+ }
+ catch ( ... )
{
- return 0;
+ get_logger()->print_exception_md5_sum("Unknown exception");
+ return GenericError;
}
- else if ( update_return_code == "1" )
+
+ // Now its time to issue the second http_get operation
+ string url = this->assemble_update_url(salt, sign_time, sign, secret, ip);
+
+ // perform the update operation
+ http_status_code = HTTPHelp->http_get(url);
+
+ get_logger()->print_http_status_code(url,http_status_code);
+
+ if ( http_status_code == 200 )
{
- get_logger()->print_service_not_authorized(url,get_login(),get_password());
+ // parse the update request return code
+ curl_data = HTTPHelp->get_curl_data();
+ string update_return_code = parse_return_code(curl_data);
+ if ( update_return_code == "0" )
+ {
+ return UpdateOk;
+ }
+ else if ( update_return_code == "1" )
+ {
+ get_logger()->print_service_not_authorized(url,get_login(),get_password());
+ return NotAuth;
+ }
+ else
+ {
+ get_logger()->print_update_failure(url,update_return_code);
+ return UpdateError;
+ }
}
else
{
- get_logger()->print_update_failure(url,update_return_code);
+ // second http get operation (update) was not successful
+ get_logger()->print_update_failure(url,http_status_code);
}
}
else
{
- // second http get operation (update) was not successful
- get_logger()->print_update_failure(url,http_status_code);
+ // first http get operation was not successful
+ get_logger()->print_update_failure(BaseUrl,http_status_code);
}
}
else
{
- // first http get operation was not successful
- get_logger()->print_update_failure(BaseUrl,http_status_code);
+ get_logger()->print_httphelper_not_initialized();
+ HTTPHelp->re_initialize();
}
-
- return -1;
+ return GenericError;
}