* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
#ifndef _DNS_H
#define _DNS_H
-#include <string>
-#include "inspircd_config.h"
-#include "base.h"
-#include "socketengine.h"
#include "socket.h"
-#include "hash_map.h"
#include "hashcomp.h"
-using namespace std;
-using irc::sockets::insp_aton;
-using irc::sockets::insp_ntoa;
-using irc::sockets::insp_sockaddr;
-using irc::sockets::insp_inaddr;
-
-class InspIRCd;
class Module;
/**
* Result status, used internally
*/
-class DNSResult : public classbase
+class CoreExport DNSResult : public classbase
{
public:
/** Result ID
/** Cached item stored in the query cache.
*/
-class CachedQuery
+class CoreExport CachedQuery : public classbase
{
public:
/** The cached result data, an IP or hostname
*/
int CalcTTLRemaining()
{
- int n = expires - time(NULL);
+ int n = (int)expires - (int)time(NULL);
return (n < 0 ? 0 : n);
}
};
/** DNS cache information. Holds IPs mapped to hostnames, and hostnames mapped to IPs.
*/
+#ifndef WIN32
typedef nspace::hash_map<irc::string, CachedQuery, nspace::hash<irc::string> > dnscache;
+#else
+typedef nspace::hash_map<irc::string, CachedQuery, nspace::hash_compare<irc::string> > dnscache;
+#endif
/**
* Error types that class Resolver can emit to its error method.
/**
* A DNS Resource Record (rr)
*/
-class ResourceRecord;
+struct ResourceRecord;
/**
* Query and resource record types
*/
enum QueryType
{
- DNS_QUERY_NONE = 0, /* Uninitialized Query */
- DNS_QUERY_A = 1, /* 'A' record: an ipv4 address */
- DNS_QUERY_CNAME = 5, /* 'CNAME' record: An alias */
- DNS_QUERY_PTR = 12, /* 'PTR' record: a hostname */
- DNS_QUERY_AAAA = 28, /* 'AAAA' record: an ipv6 address */
-
- DNS_QUERY_PTR4 = 0xFFFD, /* Force 'PTR' to use IPV4 scemantics */
- DNS_QUERY_PTR6 = 0xFFFE, /* Force 'PTR' to use IPV6 scemantics */
+ /** Uninitialized Query */
+ DNS_QUERY_NONE = 0,
+ /** 'A' record: an ipv4 address */
+ DNS_QUERY_A = 1,
+ /** 'CNAME' record: An alias */
+ DNS_QUERY_CNAME = 5,
+ /** 'PTR' record: a hostname */
+ DNS_QUERY_PTR = 12,
+ /** 'AAAA' record: an ipv6 address */
+ DNS_QUERY_AAAA = 28,
+
+ /** Force 'PTR' to use IPV4 scemantics */
+ DNS_QUERY_PTR4 = 0xFFFD,
+ /** Force 'PTR' to use IPV6 scemantics */
+ DNS_QUERY_PTR6 = 0xFFFE
};
#ifdef IPV6
const QueryType DNS_QUERY_FORWARD = DNS_QUERY_AAAA;
-const QueryType DNS_QUERY_REVERSE = DNS_QUERY_PTR;
#else
const QueryType DNS_QUERY_FORWARD = DNS_QUERY_A;
-const QueryType DNS_QUERY_REVERSE = DNS_QUERY_PTR;
#endif
-
+const QueryType DNS_QUERY_REVERSE = DNS_QUERY_PTR;
/**
* Used internally to force PTR lookups to use a certain protocol scemantics,
* e.g. x.x.x.x.in-addr.arpa for v4, and *.ip6.arpa for v6.
*/
enum ForceProtocol
{
- PROTOCOL_IPV4 = 0, /* Forced to use ipv4 */
- PROTOCOL_IPV6 = 1 /* Forced to use ipv6 */
+ /** Forced to use ipv4 */
+ PROTOCOL_IPV4 = 0,
+ /** Forced to use ipv6 */
+ PROTOCOL_IPV6 = 1
};
/**
* can occur by calling virtual methods, one is a success situation, and the other
* an error situation.
*/
-class Resolver : public Extensible
+class CoreExport Resolver : public Extensible
{
protected:
/**
* Time left before cache expiry
*/
int time_left;
+
public:
/**
* Initiate DNS lookup. Your class should not attempt to delete or free these
* The default destructor does nothing.
*/
virtual ~Resolver();
+
/**
* When your lookup completes, this method will be called.
* @param result The resulting DNS lookup, either an IP address or a hostname.
* result, this is the number of seconds remaining before refresh/expiry.
* @param cached True if the result is a cached result, false if it was requested
* from the DNS server.
+ * @param resultnum Result number, for records with multiple matching results.
+ * Normally, you will only want to act on this when the result is 0.
*/
- virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) = 0;
+ virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0) = 0;
+
/**
* If an error occurs (such as NXDOMAIN, no domain name found) then this method
* will be called.
* @param errormessage The error text of the error that occured.
*/
virtual void OnError(ResolverError e, const std::string &errormessage);
+
/**
* Returns the id value of this class. This is primarily used by the core
* to determine where in various tables to place a pointer to your class, but it
* this method will return -1.
*/
int GetId();
+
/**
* Returns the creator module, or NULL
*/
Module* GetCreator();
+
/**
* If the result is a cached result, this triggers the objects
* OnLookupComplete. This is done because it is not safe to call
* back to Resolver objects, based upon the request ID. You
* should never use this class yourself.
*/
-class DNS : public EventHandler
+class CoreExport DNS : public EventHandler
{
private:
public:
- /**
+ /**
* Server address being used currently
*/
int socketfamily;
+
#ifdef IPV6
+ /**
+ * IPV6 server address
+ */
in6_addr myserver6;
#endif
+ /**
+ * IPV4 server address
+ */
in_addr myserver4;
/**
* e.g. use ipv6 reverse lookup when built for ipv6,
* or ipv4 lookup when built for ipv4.
*/
- int GetName(const insp_inaddr* ip);
+ int GetName(const irc::sockets::insp_inaddr* ip);
/**
* Start lookup of a hostname from an ip, but
/**
* Fetch the result string (an ip or host)
* and/or an error message to go with it.
+ * @param resultnum Result number to fetch
*/
- DNSResult GetResult();
+ DNSResult GetResult(int resultnum);
/**
* Handle a SocketEngine read event
projects / user / henk / code / inspircd.git / blobdiff