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104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
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#ifndef DNS_H
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#define DNS_H
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#include <libowfat/stralloc.h>
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#include <libowfat/iopause.h>
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#include <libowfat/taia.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DNS_C_IN "\0\1"
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#define DNS_C_ANY "\0\377"
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#define DNS_T_A "\0\1"
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#define DNS_T_NS "\0\2"
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#define DNS_T_CNAME "\0\5"
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#define DNS_T_SOA "\0\6"
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#define DNS_T_PTR "\0\14"
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#define DNS_T_HINFO "\0\15"
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#define DNS_T_MX "\0\17"
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#define DNS_T_TXT "\0\20"
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#define DNS_T_RP "\0\21"
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#define DNS_T_SIG "\0\30"
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#define DNS_T_KEY "\0\31"
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#define DNS_T_AAAA "\0\34"
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#define DNS_T_AXFR "\0\374"
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#define DNS_T_ANY "\0\377"
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struct dns_transmit {
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char *query; /* 0, or dynamically allocated */
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unsigned int querylen;
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char *packet; /* 0, or dynamically allocated */
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unsigned int packetlen;
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int s1; /* 0, or 1 + an open file descriptor */
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int tcpstate;
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unsigned int udploop;
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unsigned int curserver;
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struct taia deadline;
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unsigned int pos;
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const char *servers;
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char localip[16];
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unsigned int scope_id;
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char qtype[2];
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} ;
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void dns_random_init(const char data[128]);
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unsigned int dns_random(unsigned int);
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void dns_sortip(char *,unsigned int);
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void dns_sortip6(char *,unsigned int);
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void dns_domain_free(char **);
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int dns_domain_copy(char **,const char *);
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unsigned int dns_domain_length(const char *);
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int dns_domain_equal(const char *,const char *);
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int dns_domain_suffix(const char *,const char *);
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unsigned int dns_domain_suffixpos(const char *,const char *);
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int dns_domain_fromdot(char **,const char *,size_t);
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int dns_domain_todot_cat(stralloc *,const char *);
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unsigned int dns_packet_copy(const char *,unsigned int,unsigned int,char *,unsigned int);
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unsigned int dns_packet_getname(const char *,unsigned int,unsigned int,char **);
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unsigned int dns_packet_skipname(const char *,unsigned int,unsigned int);
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int dns_transmit_start(struct dns_transmit *,const char servers[256],int,const char *q,const char qtype[2],const char localip[16]);
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void dns_transmit_free(struct dns_transmit *);
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void dns_transmit_io(struct dns_transmit *,iopause_fd *,struct taia *);
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int dns_transmit_get(struct dns_transmit *,const iopause_fd *,const struct taia *);
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int dns_resolvconfip(char servers[256]);
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int dns_resolve(const char *q,const char qtype[2]);
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extern struct dns_transmit dns_resolve_tx;
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int dns_ip4_packet(stralloc *,const char *,unsigned int);
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int dns_ip4(stralloc *,const stralloc *);
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int dns_ip6_packet(stralloc *,const char *,unsigned int);
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int dns_ip6(stralloc *,stralloc *);
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int dns_name_packet(stralloc *,const char *,unsigned int);
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#define DNS_NAME4_DOMAIN 31
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void dns_name4_domain(char name[DNS_NAME4_DOMAIN],const char ip[4]);
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int dns_name4(stralloc *,const char ip[4]);
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int dns_txt_packet(stralloc *,const char *,unsigned int);
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int dns_txt(stralloc *,const stralloc *);
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int dns_mx_packet(stralloc *,const char *,unsigned int);
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int dns_mx(stralloc *,const stralloc *);
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int dns_resolvconfrewrite(stralloc *);
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int dns_ip4_qualify_rules(stralloc *,stralloc *,const stralloc *,const stralloc *);
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int dns_ip4_qualify(stralloc *,stralloc *,const stralloc *);
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int dns_ip6_qualify_rules(stralloc *,stralloc *,const stralloc *,const stralloc *);
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int dns_ip6_qualify(stralloc *,stralloc *,const stralloc *);
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#define DNS_NAME6_DOMAIN (4*16+11)
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void dns_name6_domain(char name[DNS_NAME6_DOMAIN],const char ip[16]);
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int dns_name6(stralloc *,const char ip[16]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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