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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
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/*
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dns.h - dns library declarations based on firedns Copyright (C) 2002 Ian Gulliver
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _DNS_H
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#define _DNS_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <string>
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struct dns_ip4list {
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in_addr ip;
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dns_ip4list *next;
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};
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class DNS
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{
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private:
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char *result;
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in_addr *binip;
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int t,i;
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void dns_init();
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unsigned int fd;
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void dns_init_2(const char* dnsserver);
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in_addr *dns_aton4(const char * const ipstring);
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char *dns_ntoa4(const in_addr * const ip);
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int dns_getip4(const char * const name);
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int dns_getip4list(const char * const name);
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int dns_getname4(const in_addr * const ip);
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char *dns_getresult(const int fd);
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in_addr *dns_aton4_s(const char * const ipstring, in_addr * const ip);
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char *dns_ntoa4_s(const in_addr * const ip, char * const result);
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char *dns_getresult_s(const int fd, char * const result);
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in_addr *dns_aton4_r(const char * const ipstring);
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char *dns_ntoa4_r(const in_addr * const ip);
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char *dns_getresult_r(const int fd);
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public:
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DNS();
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DNS(std::string dnsserver);
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~DNS();
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bool ReverseLookup(std::string ip);
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bool ForwardLookup(std::string host);
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bool HasResult();
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std::string GetResult();
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};
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#endif
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