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-rw-r--r--Sockets/ResolvSocket.cpp436
1 files changed, 0 insertions, 436 deletions
diff --git a/Sockets/ResolvSocket.cpp b/Sockets/ResolvSocket.cpp
deleted file mode 100644
index 4a3644f..0000000
--- a/Sockets/ResolvSocket.cpp
+++ /dev/null
@@ -1,436 +0,0 @@
-/** \file ResolvSocket.cpp
- ** \date 2005-03-24
- ** \author grymse@alhem.net
-**/
-/*
-Copyright (C) 2004-2007 Anders Hedstrom
-
-This library is made available under the terms of the GNU GPL.
-
-If you would like to use this library in a closed-source application,
-a separate license agreement is available. For information about
-the closed-source license agreement for the C++ sockets library,
-please visit http://www.alhem.net/Sockets/license.html and/or
-email license@alhem.net.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-#ifdef _WIN32
-#ifdef _MSC_VER
-#pragma warning(disable:4786)
-#pragma warning(disable:4503)
-#endif
-#else
-#include <netdb.h>
-#endif
-#include "ResolvSocket.h"
-#ifdef ENABLE_RESOLVER
-#include "Utility.h"
-#include "Parse.h"
-#include "ISocketHandler.h"
-#include "Lock.h"
-#include "Mutex.h"
-
-#ifdef SOCKETS_NAMESPACE
-namespace SOCKETS_NAMESPACE {
-#endif
-
-#ifdef _DEBUG
-#define DEB(x) x
-#else
-#define DEB(x)
-#endif
-
-
-// static
-ResolvSocket::cache_t ResolvSocket::m_cache;
-ResolvSocket::timeout_t ResolvSocket::m_cache_to;
-Mutex ResolvSocket::m_cache_mutex;
-
-
-ResolvSocket::ResolvSocket(ISocketHandler& h)
-:TcpSocket(h)
-,m_bServer(false)
-,m_parent(NULL)
-#ifdef ENABLE_IPV6
-,m_resolve_ipv6(false)
-#endif
-,m_cached(false)
-{
- SetLineProtocol();
-}
-
-
-ResolvSocket::ResolvSocket(ISocketHandler& h, Socket *parent, const std::string& host, port_t port, bool ipv6)
-:TcpSocket(h)
-,m_bServer(false)
-,m_parent(parent)
-,m_resolv_host(host)
-,m_resolv_port(port)
-#ifdef ENABLE_IPV6
-,m_resolve_ipv6(ipv6)
-#endif
-,m_cached(false)
-{
- SetLineProtocol();
-}
-
-
-ResolvSocket::ResolvSocket(ISocketHandler& h, Socket *parent, ipaddr_t a)
-:TcpSocket(h)
-,m_bServer(false)
-,m_parent(parent)
-,m_resolv_port(0)
-,m_resolv_address(a)
-#ifdef ENABLE_IPV6
-,m_resolve_ipv6(false)
-#endif
-,m_cached(false)
-{
- SetLineProtocol();
-}
-
-
-#ifdef ENABLE_IPV6
-ResolvSocket::ResolvSocket(ISocketHandler& h, Socket *parent, in6_addr& a)
-:TcpSocket(h)
-,m_bServer(false)
-,m_parent(parent)
-,m_resolv_port(0)
-,m_resolve_ipv6(true)
-,m_resolv_address6(a)
-,m_cached(false)
-{
- SetLineProtocol();
-}
-#endif
-
-
-ResolvSocket::~ResolvSocket()
-{
-}
-
-
-void ResolvSocket::OnLine(const std::string& line)
-{
- Parse pa(line, ":");
- if (m_bServer)
- {
- m_query = pa.getword();
- m_data = pa.getrest();
-DEB( fprintf(stderr, " *** ResolvSocket server; query=%s, data=%s\n", m_query.c_str(), m_data.c_str());)
- // %! check cache
- {
- Lock lock(m_cache_mutex);
- if (m_cache[m_query].find(m_data) != m_cache[m_query].end())
- {
- if (time(NULL) - m_cache_to[m_query][m_data] < 3600) // ttl
- {
- std::string result = m_cache[m_query][m_data];
-DEB(fprintf(stderr, " *** Returning cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), result.c_str());)
- Send("Cached\n");
- if (!result.size()) /* failed */
- {
- Send("Failed\n\n");
- SetCloseAndDelete();
- return;
- }
- else
- if (m_query == "gethostbyname")
- {
- Send("A: " + result + "\n\n");
- SetCloseAndDelete();
- return;
- }
- else
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- if (m_query == "gethostbyname2")
- {
- Send("AAAA: " + result + "\n\n");
- SetCloseAndDelete();
- return;
- }
- else
-#endif
-#endif
- if (m_query == "gethostbyaddr")
- {
- Send("Name: " + result + "\n\n");
- SetCloseAndDelete();
- return;
- }
- }
- }
- }
- if (!Detach()) // detach failed?
- {
- SetCloseAndDelete();
- }
- return;
- }
- std::string key = pa.getword();
- std::string value = pa.getrest();
-DEB( fprintf(stderr, " *** ResolvSocket response; %s: %s\n", key.c_str(), value.c_str());)
-
- if (key == "Cached")
- {
- m_cached = true;
- }
- else
- if (key == "Failed" && m_parent)
- {
-DEB( fprintf(stderr, " ************ Resolve failed\n");)
- if (Handler().Resolving(m_parent) || Handler().Valid(m_parent))
- {
- m_parent -> OnResolveFailed(m_resolv_id);
- }
- // update cache
- if (!m_cached)
- {
- Lock lock(m_cache_mutex);
-DEB(fprintf(stderr, " *** Update cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), value.c_str());)
- m_cache[m_query][m_data] = value;
- m_cache_to[m_query][m_data] = time(NULL);
- }
- m_parent = NULL;
- }
- else
- if (key == "Name" && !m_resolv_host.size() && m_parent)
- {
- if (Handler().Resolving(m_parent) || Handler().Valid(m_parent))
- {
- m_parent -> OnReverseResolved(m_resolv_id, value);
- }
- // update cache
- if (!m_cached)
- {
- Lock lock(m_cache_mutex);
-DEB(fprintf(stderr, " *** Update cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), value.c_str());)
- m_cache[m_query][m_data] = value;
- m_cache_to[m_query][m_data] = time(NULL);
- }
- m_parent = NULL;
- }
- else
- if (key == "A" && m_parent)
- {
- if (Handler().Resolving(m_parent) || Handler().Valid(m_parent))
- {
- ipaddr_t l;
- Utility::u2ip(value, l); // ip2ipaddr_t
- m_parent -> OnResolved(m_resolv_id, l, m_resolv_port);
- }
- // update cache
- if (!m_cached)
- {
- Lock lock(m_cache_mutex);
-DEB(fprintf(stderr, " *** Update cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), value.c_str());)
- m_cache[m_query][m_data] = value;
- m_cache_to[m_query][m_data] = time(NULL);
- }
- m_parent = NULL; // always use first ip in case there are several
- }
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- else
- if (key == "AAAA" && m_parent)
- {
- if (Handler().Resolving(m_parent) || Handler().Valid(m_parent))
- {
- in6_addr a;
- Utility::u2ip(value, a);
- m_parent -> OnResolved(m_resolv_id, a, m_resolv_port);
- }
- // update cache
- if (!m_cached)
- {
- Lock lock(m_cache_mutex);
-DEB(fprintf(stderr, " *** Update cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), value.c_str());)
- m_cache[m_query][m_data] = value;
- m_cache_to[m_query][m_data] = time(NULL);
- }
- m_parent = NULL;
- }
-#endif
-#endif
-}
-
-
-void ResolvSocket::OnDetached()
-{
-DEB( fprintf(stderr, " *** ResolvSocket::OnDetached(); query=%s, data=%s\n", m_query.c_str(), m_data.c_str());)
- if (m_query == "gethostbyname")
- {
- struct sockaddr_in sa;
- if (Utility::u2ip(m_data, sa))
- {
- std::string ip;
- Utility::l2ip(sa.sin_addr, ip);
- Send("A: " + ip + "\n");
- }
- else
- {
- Send("Failed\n");
- }
- Send("\n");
- }
- else
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- if (m_query == "gethostbyname2")
- {
- struct sockaddr_in6 sa;
- if (Utility::u2ip(m_data, sa))
- {
- std::string ip;
- Utility::l2ip(sa.sin6_addr, ip);
- Send("AAAA: " + ip + "\n");
- }
- else
- {
- Send("Failed\n");
- }
- Send("\n");
- }
- else
-#endif
-#endif
- if (m_query == "gethostbyaddr")
- {
- if (Utility::isipv4( m_data ))
- {
- struct sockaddr_in sa;
- if (!Utility::u2ip(m_data, sa, AI_NUMERICHOST))
- {
- Send("Failed: convert to sockaddr_in failed\n");
- }
- else
- {
- std::string name;
- if (!Utility::reverse( (struct sockaddr *)&sa, sizeof(sa), name))
- {
- Send("Failed: ipv4 reverse lookup of " + m_data + "\n");
- }
- else
- {
- Send("Name: " + name + "\n");
- }
- }
- }
- else
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- if (Utility::isipv6( m_data ))
- {
- struct sockaddr_in6 sa;
- if (!Utility::u2ip(m_data, sa, AI_NUMERICHOST))
- {
- Send("Failed: convert to sockaddr_in6 failed\n");
- }
- else
- {
- std::string name;
- if (!Utility::reverse( (struct sockaddr *)&sa, sizeof(sa), name))
- {
- Send("Failed: ipv6 reverse lookup of " + m_data + "\n");
- }
- else
- {
- Send("Name: " + name + "\n");
- }
- }
- }
- else
-#endif
-#endif
- {
- Send("Failed: malformed address\n");
- }
- Send("\n");
- }
- else
- {
- std::string msg = "Unknown query type: " + m_query;
- Handler().LogError(this, "OnDetached", 0, msg);
- Send("Unknown\n\n");
- }
- SetCloseAndDelete();
-}
-
-
-void ResolvSocket::OnConnect()
-{
- if (m_resolv_host.size())
- {
-#ifdef ENABLE_IPV6
- std::string msg = (m_resolve_ipv6 ? "gethostbyname2 " : "gethostbyname ") + m_resolv_host + "\n";
- m_query = m_resolve_ipv6 ? "gethostbyname2" : "gethostbyname";
-#else
- std::string msg = "gethostbyname " + m_resolv_host + "\n";
- m_query = "gethostbyname";
-#endif
- m_data = m_resolv_host;
- Send( msg );
- return;
- }
-#ifdef ENABLE_IPV6
- if (m_resolve_ipv6)
- {
- std::string tmp;
- Utility::l2ip(m_resolv_address6, tmp);
- m_query = "gethostbyaddr";
- m_data = tmp;
- std::string msg = "gethostbyaddr " + tmp + "\n";
- Send( msg );
- }
-#endif
- std::string tmp;
- Utility::l2ip(m_resolv_address, tmp);
- m_query = "gethostbyaddr";
- m_data = tmp;
- std::string msg = "gethostbyaddr " + tmp + "\n";
- Send( msg );
-}
-
-
-void ResolvSocket::OnDelete()
-{
- if (m_parent)
- {
- if (Handler().Resolving(m_parent) || Handler().Valid(m_parent))
- {
- m_parent -> OnResolveFailed(m_resolv_id);
- }
- // update cache
- if (!m_cached)
- {
- Lock lock(m_cache_mutex);
- std::string value;
-DEB(fprintf(stderr, " *** Update cache for [%s][%s] = '%s'\n", m_query.c_str(), m_data.c_str(), value.c_str());)
- m_cache[m_query][m_data] = value;
- m_cache_to[m_query][m_data] = time(NULL);
- }
- m_parent = NULL;
- }
-}
-
-
-#ifdef SOCKETS_NAMESPACE
-}
-#endif
-
-#endif // ENABLE_RESOLVER
-
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