X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fdns.h;h=c08de1ece139b21d5000fc41c8b5b925ceb65724;hb=349b6b91931f3e5ab03bf5ea085d1928c306afe2;hp=f12dbdb1ec96133620b49099824619bab63fe7ef;hpb=ac36ca514e1be51d3ca7ce73bb8653ca2f08f0ce;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/dns.h b/include/dns.h index f12dbdb1e..c08de1ece 100644 --- a/include/dns.h +++ b/include/dns.h @@ -2,7 +2,7 @@ * | 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 @@ -32,27 +32,15 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #ifndef _DNS_H #define _DNS_H -#include -#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 @@ -84,7 +72,7 @@ typedef std::pair DNSInfo; /** Cached item stored in the query cache. */ -class CachedQuery +class CoreExport CachedQuery : public classbase { public: /** The cached result data, an IP or hostname @@ -108,14 +96,18 @@ class CachedQuery */ 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 > dnscache; +#else +typedef nspace::hash_map > dnscache; +#endif /** * Error types that class Resolver can emit to its error method. @@ -144,39 +136,46 @@ class DNSHeader; /** * 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 }; /** @@ -189,7 +188,7 @@ enum ForceProtocol * 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: /** @@ -229,6 +228,7 @@ class Resolver : public Extensible * Time left before cache expiry */ int time_left; + public: /** * Initiate DNS lookup. Your class should not attempt to delete or free these @@ -277,6 +277,7 @@ class Resolver : public Extensible * 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. @@ -284,8 +285,11 @@ class Resolver : public Extensible * 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. @@ -293,6 +297,7 @@ class Resolver : public Extensible * @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 @@ -302,10 +307,12 @@ class Resolver : public Extensible * 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 @@ -319,7 +326,7 @@ class Resolver : public Extensible * 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: @@ -364,13 +371,20 @@ class DNS : public EventHandler public: - /** + /** * Server address being used currently */ int socketfamily; + #ifdef IPV6 + /** + * IPV6 server address + */ in6_addr myserver6; #endif + /** + * IPV4 server address + */ in_addr myserver4; /** @@ -415,7 +429,7 @@ class DNS : public EventHandler * 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 @@ -437,8 +451,9 @@ class DNS : public EventHandler /** * 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