* Author : Maxim Mamontov <faust@stargazer.dp.ua>
*/
-/*
- * Realization of data access via Stargazer for RADIUS
- *
- * $Revision: 1.8 $
- * $Date: 2010/04/16 12:30:02 $
- *
- */
+#include "stg_client.h"
-#include <netdb.h>
-#include <sys/types.h>
-#include <unistd.h> // close
+#include "conn.h"
+#include "radlog.h"
-#include <cerrno>
-#include <cstring>
+#include "stg/locker.h"
+#include "stg/common.h"
-#include <stdexcept>
+#include <map>
+#include <utility>
-#include "stg_client.h"
+using STG::RLM::Client;
+using STG::RLM::Conn;
+using STG::RLM::RESULT;
+
+namespace {
-using namespace std;
+Client* stgClient = NULL;
-void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password);
-void Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8);
-void Decrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8);
+}
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-STG_CLIENT::STG_CLIENT(const std::string & host, uint16_t port, uint16_t lp, const std::string & pass)
- : localPort(lp),
- password(pass),
- framedIP(0)
+class Client::Impl
{
-sock = socket(AF_INET, SOCK_DGRAM, 0);
-if (sock == -1)
- {
- std::string message = strerror(errno);
- message = "Socket create error: '" + message + "'";
- throw std::runtime_error(message);
- }
+ public:
+ explicit Impl(const std::string& address);
+ ~Impl();
-struct hostent * he = NULL;
-he = gethostbyname(host.c_str());
-if (he == NULL)
- {
- throw std::runtime_error("gethostbyname error");
- }
+ bool stop() { return m_conn ? m_conn->stop() : true; }
-outerAddr.sin_family = AF_INET;
-outerAddr.sin_port = htons(port);
-outerAddr.sin_addr.s_addr = *(uint32_t *)he->h_addr;
+ RESULT request(REQUEST_TYPE type, const std::string& userName, const std::string& password, const PAIRS& pairs);
-InitEncrypt(&ctx, password);
+ private:
+ std::string m_address;
+ boost::scoped_ptr<Conn> m_conn;
-PrepareNet();
-}
-//-----------------------------------------------------------------------------
-STG_CLIENT::~STG_CLIENT()
-{
-close(sock);
-}
-//-----------------------------------------------------------------------------
-uint32_t STG_CLIENT::GetFramedIP() const
-{
-return framedIP;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::PrepareNet()
-{
-if (localPort != 0)
- {
- struct sockaddr_in localAddr;
- localAddr.sin_family = AF_INET;
- localAddr.sin_port = htons(localPort);
- localAddr.sin_addr.s_addr = inet_addr("0.0.0.0");;
+ pthread_mutex_t m_mutex;
+ pthread_cond_t m_cond;
+ bool m_done;
+ RESULT m_result;
- if (bind(sock, (struct sockaddr *)&localAddr, sizeof(localAddr)))
+ static bool callback(void* data, const RESULT& result)
{
- errorStr = "Bind failed";
- return -1;
+ Impl& impl = *static_cast<Impl*>(data);
+ STG_LOCKER lock(impl.m_mutex);
+ impl.m_result = result;
+ impl.m_done = true;
+ pthread_cond_signal(&impl.m_cond);
+ return true;
}
- }
-return 0;
-}
-//-----------------------------------------------------------------------------
-string STG_CLIENT::GetUserPassword() const
-{
-return userPassword;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::Send(const RAD_PACKET & packet)
-{
-char buf[RAD_MAX_PACKET_LEN];
-
-Encrypt(&ctx, buf, (char *)&packet, sizeof(RAD_PACKET) / 8);
+};
-int res = sendto(sock, buf, sizeof(RAD_PACKET), 0, (struct sockaddr *)&outerAddr, sizeof(outerAddr));
-
-if (res == -1)
- errorStr = "Error sending data";
-
-return res;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::RecvData(RAD_PACKET * packet)
+Client::Impl::Impl(const std::string& address)
+ : m_address(address)
{
-char buf[RAD_MAX_PACKET_LEN];
-int res;
-
-struct sockaddr_in addr;
-socklen_t len = sizeof(struct sockaddr_in);
-
-res = recvfrom(sock, buf, RAD_MAX_PACKET_LEN, 0, reinterpret_cast<struct sockaddr *>(&addr), &len);
-if (res == -1)
+ try
{
- errorStr = "Error receiving data";
- return -1;
+ m_conn.reset(new Conn(m_address, &Impl::callback, this));
}
-
-Decrypt(&ctx, (char *)packet, buf, res / 8);
-
-return 0;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::Request(RAD_PACKET * packet, const std::string & login, const std::string & svc, uint8_t packetType)
-{
-int res;
-
-memcpy((void *)&packet->magic, (void *)RAD_ID, RAD_MAGIC_LEN);
-packet->protoVer[0] = '0';
-packet->protoVer[1] = '1';
-packet->packetType = packetType;
-packet->ip = 0;
-strncpy((char *)packet->login, login.c_str(), RAD_LOGIN_LEN);
-strncpy((char *)packet->service, svc.c_str(), RAD_SERVICE_LEN);
-
-res = Send(*packet);
-if (res == -1)
- return -1;
-
-res = RecvData(packet);
-if (res == -1)
- return -1;
-
-if (strncmp((char *)packet->magic, RAD_ID, RAD_MAGIC_LEN))
+ catch (const std::runtime_error& ex)
{
- errorStr = "Magic invalid. Wanted: '";
- errorStr += RAD_ID;
- errorStr += "', got: '";
- errorStr += (char *)packet->magic;
- errorStr += "'";
- return -1;
+ RadLog("Connection error: %s.", ex.what());
}
-
-return 0;
+ pthread_mutex_init(&m_mutex, NULL);
+ pthread_cond_init(&m_cond, NULL);
+ m_done = false;
}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::Authorize(const string & login, const string & svc)
-{
-RAD_PACKET packet;
-
-userPassword = "";
-
-if (Request(&packet, login, svc, RAD_AUTZ_PACKET))
- return -1;
-
-if (packet.packetType != RAD_ACCEPT_PACKET)
- return -1;
-userPassword = (char *)packet.password;
-
-return 0;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::Authenticate(const string & login, const string & svc)
+Client::Impl::~Impl()
{
-RAD_PACKET packet;
-
-userPassword = "";
-
-if (Request(&packet, login, svc, RAD_AUTH_PACKET))
- return -1;
-
-if (packet.packetType != RAD_ACCEPT_PACKET)
- return -1;
-
-return 0;
+ pthread_cond_destroy(&m_cond);
+ pthread_mutex_destroy(&m_mutex);
}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::PostAuthenticate(const string & login, const string & svc)
-{
-RAD_PACKET packet;
-
-userPassword = "";
-
-if (Request(&packet, login, svc, RAD_POST_AUTH_PACKET))
- return -1;
-
-if (packet.packetType != RAD_ACCEPT_PACKET)
- return -1;
-if (svc == "Framed-User")
- framedIP = packet.ip;
-else
- framedIP = 0;
-
-return 0;
-}
-//-----------------------------------------------------------------------------
-int STG_CLIENT::Account(const std::string & type, const string & login, const string & svc, const string & sessid)
+RESULT Client::Impl::request(REQUEST_TYPE type, const std::string& userName, const std::string& password, const PAIRS& pairs)
{
-RAD_PACKET packet;
-
-userPassword = "";
-strncpy((char *)packet.sessid, sessid.c_str(), RAD_SESSID_LEN);
-
-if (type == "Start")
- {
- if (Request(&packet, login, svc, RAD_ACCT_START_PACKET))
- return -1;
- }
-else if (type == "Stop")
- {
- if (Request(&packet, login, svc, RAD_ACCT_STOP_PACKET))
- return -1;
- }
-else if (type == "Interim-Update")
- {
- if (Request(&packet, login, svc, RAD_ACCT_UPDATE_PACKET))
- return -1;
- }
-else
- {
- if (Request(&packet, login, svc, RAD_ACCT_OTHER_PACKET))
- return -1;
- }
+ STG_LOCKER lock(m_mutex);
+ if (!m_conn || !m_conn->connected())
+ m_conn.reset(new Conn(m_address, &Impl::callback, this));
+ if (!m_conn->connected())
+ throw Conn::Error("Failed to create connection to '" + m_address + "'.");
+
+ m_done = false;
+ m_conn->request(type, userName, password, pairs);
+ timespec ts;
+ clock_gettime(CLOCK_REALTIME, &ts);
+ ts.tv_sec += 5;
+ int res = 0;
+ while (!m_done && res == 0)
+ res = pthread_cond_timedwait(&m_cond, &m_mutex, &ts);
+ if (res != 0)
+ throw Conn::Error("Request failed.");
+ return m_result;
+}
-if (packet.packetType != RAD_ACCEPT_PACKET)
- return -1;
+Client::Client(const std::string& address)
+ : m_impl(new Impl(address))
+{
+}
-return 0;
+Client::~Client()
+{
}
-//-----------------------------------------------------------------------------
-inline
-void Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8)
+
+bool Client::stop()
{
-// len8 - длина в 8-ми байтовых блоках
-if (dst != src)
- memcpy(dst, src, len8 * 8);
-
-for (int i = 0; i < len8; i++)
- Blowfish_Encrypt(ctx, (uint32_t *)(dst + i*8), (uint32_t *)(dst + i*8 + 4));
+ return m_impl->stop();
}
-//-----------------------------------------------------------------------------
-inline
-void Decrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8)
+
+RESULT Client::request(REQUEST_TYPE type, const std::string& userName, const std::string& password, const PAIRS& pairs)
{
-// len8 - длина в 8-ми байтовых блоках
-if (dst != src)
- memcpy(dst, src, len8 * 8);
+ return m_impl->request(type, userName, password, pairs);
+}
-for (int i = 0; i < len8; i++)
- Blowfish_Decrypt(ctx, (uint32_t *)(dst + i*8), (uint32_t *)(dst + i*8 + 4));
+Client* Client::get()
+{
+ return stgClient;
}
-//-----------------------------------------------------------------------------
-inline
-void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password)
+
+bool Client::configure(const std::string& address)
{
-unsigned char keyL[RAD_PASSWORD_LEN];
-memset(keyL, 0, RAD_PASSWORD_LEN);
-strncpy((char *)keyL, password.c_str(), RAD_PASSWORD_LEN);
-Blowfish_Init(ctx, keyL, RAD_PASSWORD_LEN);
+ if ( stgClient != NULL )
+ return stgClient->configure(address);
+ try {
+ stgClient = new Client(address);
+ return true;
+ } catch (const std::exception& ex) {
+ RadLog("Client configuration error: %s.", ex.what());
+ }
+ return false;
}
-//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff