#ifndef _ARPA_NAMESER_H_ #define _ARPA_NAMESER_H_ #define __NAMESER 19991006 #define NS_PACKETSZ 512 #define NS_MAXDNAME 1025 #define NS_MAXMSG 65535 #define NS_MAXCDNAME 255 #define NS_MAXLABEL 63 #define NS_HFIXEDSZ 12 #define NS_QFIXEDSZ 4 #define NS_RRFIXEDSZ 10 #define NS_INT32SZ 4 #define NS_INT16SZ 2 #define NS_INT8SZ 1 #define NS_INADDRSZ 4 #define NS_IN6ADDRSZ 16 #define NS_CMPRSFLGS 0xc0 #define NS_DEFAULTPORT 53 typedef enum __ns_sect { ns_s_qd = 0, ns_s_zn = 0, ns_s_an = 1, ns_s_pr = 1, ns_s_ns = 2, ns_s_ud = 2, ns_s_ar = 3, ns_s_max = 4 } ns_sect; typedef struct __ns_msg { const unsigned char *_msg, *_eom; uint16_t _id, _flags, _counts[ns_s_max]; const unsigned char *_sections[ns_s_max]; ns_sect _sect; int _rrnum; const unsigned char *_msg_ptr; } ns_msg; struct _ns_flagdata { int mask, shift; }; extern const struct _ns_flagdata _ns_flagdata[]; #define ns_msg_id(handle) ((handle)._id + 0) #define ns_msg_base(handle) ((handle)._msg + 0) #define ns_msg_end(handle) ((handle)._eom + 0) #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) typedef struct __ns_rr { char name[NS_MAXDNAME]; uint16_t type; uint16_t rr_class; uint32_t ttl; uint16_t rdlength; const unsigned char *rdata; } ns_rr; #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) #define ns_rr_ttl(rr) ((rr).ttl + 0) #define ns_rr_rdlen(rr) ((rr).rdlength + 0) #define ns_rr_rdata(rr) ((rr).rdata + 0) typedef enum __ns_flag { ns_f_qr, ns_f_opcode, ns_f_aa, ns_f_tc, ns_f_rd, ns_f_ra, ns_f_z, ns_f_ad, ns_f_cd, ns_f_rcode, ns_f_max } ns_flag; typedef enum __ns_opcode { ns_o_query = 0, ns_o_iquery = 1, ns_o_status = 2, ns_o_notify = 4, ns_o_update = 5, ns_o_max = 6 } ns_opcode; typedef enum __ns_rcode { ns_r_noerror = 0, ns_r_formerr = 1, ns_r_servfail = 2, ns_r_nxdomain = 3, ns_r_notimpl = 4, ns_r_refused = 5, ns_r_yxdomain = 6, ns_r_yxrrset = 7, ns_r_nxrrset = 8, ns_r_notauth = 9, ns_r_notzone = 10, ns_r_max = 11, ns_r_badvers = 16, ns_r_badsig = 16, ns_r_badkey = 17, ns_r_badtime = 18 } ns_rcode; typedef enum __ns_update_operation { ns_uop_delete = 0, ns_uop_add = 1, ns_uop_max = 2 } ns_update_operation; struct ns_tsig_key { char name[NS_MAXDNAME], alg[NS_MAXDNAME]; unsigned char *data; int len; }; typedef struct ns_tsig_key ns_tsig_key; struct ns_tcp_tsig_state { int counter; struct dst_key *key; void *ctx; unsigned char sig[NS_PACKETSZ]; int siglen; }; typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; #define NS_TSIG_FUDGE 300 #define NS_TSIG_TCP_COUNT 100 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" #define NS_TSIG_ERROR_NO_TSIG -10 #define NS_TSIG_ERROR_NO_SPACE -11 #define NS_TSIG_ERROR_FORMERR -12 typedef enum __ns_type { ns_t_invalid = 0, ns_t_a = 1, ns_t_ns = 2, ns_t_md = 3, ns_t_mf = 4, ns_t_cname = 5, ns_t_soa = 6, ns_t_mb = 7, ns_t_mg = 8, ns_t_mr = 9, ns_t_null = 10, ns_t_wks = 11, ns_t_ptr = 12, ns_t_hinfo = 13, ns_t_minfo = 14, ns_t_mx = 15, ns_t_txt = 16, ns_t_rp = 17, ns_t_afsdb = 18, ns_t_x25 = 19, ns_t_isdn = 20, ns_t_rt = 21, ns_t_nsap = 22, ns_t_nsap_ptr = 23, ns_t_sig = 24, ns_t_key = 25, ns_t_px = 26, ns_t_gpos = 27, ns_t_aaaa = 28, ns_t_loc = 29, ns_t_nxt = 30, ns_t_eid = 31, ns_t_nimloc = 32, ns_t_srv = 33, ns_t_atma = 34, ns_t_naptr = 35, ns_t_kx = 36, ns_t_cert = 37, ns_t_a6 = 38, ns_t_dname = 39, ns_t_sink = 40, ns_t_opt = 41, ns_t_apl = 42, ns_t_tkey = 249, ns_t_tsig = 250, ns_t_ixfr = 251, ns_t_axfr = 252, ns_t_mailb = 253, ns_t_maila = 254, ns_t_any = 255, ns_t_zxfr = 256, ns_t_max = 65536 } ns_type; #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ (t) == ns_t_mailb || (t) == ns_t_maila) #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ (t) == ns_t_zxfr) typedef enum __ns_class { ns_c_invalid = 0, ns_c_in = 1, ns_c_2 = 2, ns_c_chaos = 3, ns_c_hs = 4, ns_c_none = 254, ns_c_any = 255, ns_c_max = 65536 } ns_class; typedef enum __ns_key_types { ns_kt_rsa = 1, ns_kt_dh = 2, ns_kt_dsa = 3, ns_kt_private = 254 } ns_key_types; typedef enum __ns_cert_types { cert_t_pkix = 1, cert_t_spki = 2, cert_t_pgp = 3, cert_t_url = 253, cert_t_oid = 254 } ns_cert_types; #define NS_KEY_TYPEMASK 0xC000 #define NS_KEY_TYPE_AUTH_CONF 0x0000 #define NS_KEY_TYPE_CONF_ONLY 0x8000 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 #define NS_KEY_TYPE_NO_KEY 0xC000 #define NS_KEY_NO_AUTH 0x8000 #define NS_KEY_NO_CONF 0x4000 #define NS_KEY_RESERVED2 0x2000 #define NS_KEY_EXTENDED_FLAGS 0x1000 #define NS_KEY_RESERVED4 0x0800 #define NS_KEY_RESERVED5 0x0400 #define NS_KEY_NAME_TYPE 0x0300 #define NS_KEY_NAME_USER 0x0000 #define NS_KEY_NAME_ENTITY 0x0200 #define NS_KEY_NAME_ZONE 0x0100 #define NS_KEY_NAME_RESERVED 0x0300 #define NS_KEY_RESERVED8 0x0080 #define NS_KEY_RESERVED9 0x0040 #define NS_KEY_RESERVED10 0x0020 #define NS_KEY_RESERVED11 0x0010 #define NS_KEY_SIGNATORYMASK 0x000F #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ NS_KEY_RESERVED4 | \ NS_KEY_RESERVED5 | \ NS_KEY_RESERVED8 | \ NS_KEY_RESERVED9 | \ NS_KEY_RESERVED10 | \ NS_KEY_RESERVED11 ) #define NS_KEY_RESERVED_BITMASK2 0xFFFF #define NS_ALG_MD5RSA 1 #define NS_ALG_DH 2 #define NS_ALG_DSA 3 #define NS_ALG_DSS NS_ALG_DSA #define NS_ALG_EXPIRE_ONLY 253 #define NS_ALG_PRIVATE_OID 254 #define NS_KEY_PROT_TLS 1 #define NS_KEY_PROT_EMAIL 2 #define NS_KEY_PROT_DNSSEC 3 #define NS_KEY_PROT_IPSEC 4 #define NS_KEY_PROT_ANY 255 #define NS_MD5RSA_MIN_BITS 512 #define NS_MD5RSA_MAX_BITS 4096 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) #define NS_DSA_SIG_SIZE 41 #define NS_DSA_MIN_SIZE 213 #define NS_DSA_MAX_BYTES 405 #define NS_SIG_TYPE 0 #define NS_SIG_ALG 2 #define NS_SIG_LABELS 3 #define NS_SIG_OTTL 4 #define NS_SIG_EXPIR 8 #define NS_SIG_SIGNED 12 #define NS_SIG_FOOT 16 #define NS_SIG_SIGNER 18 #define NS_NXT_BITS 8 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_MAX 127 #define NS_OPT_DNSSEC_OK 0x8000U #define NS_OPT_NSID 3 #define NS_GET16(s, cp) do { \ register const unsigned char *t_cp = (const unsigned char *)(cp); \ (s) = ((uint16_t)t_cp[0] << 8) \ | ((uint16_t)t_cp[1]) \ ; \ (cp) += NS_INT16SZ; \ } while (0) #define NS_GET32(l, cp) do { \ register const unsigned char *t_cp = (const unsigned char *)(cp); \ (l) = ((uint32_t)t_cp[0] << 24) \ | ((uint32_t)t_cp[1] << 16) \ | ((uint32_t)t_cp[2] << 8) \ | ((uint32_t)t_cp[3]) \ ; \ (cp) += NS_INT32SZ; \ } while (0) #define NS_PUT16(s, cp) do { \ register uint16_t t_s = (uint16_t)(s); \ register unsigned char *t_cp = (unsigned char *)(cp); \ *t_cp++ = t_s >> 8; \ *t_cp = t_s; \ (cp) += NS_INT16SZ; \ } while (0) #define NS_PUT32(l, cp) do { \ register uint32_t t_l = (uint32_t)(l); \ register unsigned char *t_cp = (unsigned char *)(cp); \ *t_cp++ = t_l >> 24; \ *t_cp++ = t_l >> 16; \ *t_cp++ = t_l >> 8; \ *t_cp = t_l; \ (cp) += NS_INT32SZ; \ } while (0) #define __BIND 19950621 typedef struct { unsigned id :16; #if __BYTE_ORDER == __BIG_ENDIAN unsigned qr: 1; unsigned opcode: 4; unsigned aa: 1; unsigned tc: 1; unsigned rd: 1; unsigned ra: 1; unsigned unused :1; unsigned ad: 1; unsigned cd: 1; unsigned rcode :4; #else unsigned rd :1; unsigned tc :1; unsigned aa :1; unsigned opcode :4; unsigned qr :1; unsigned rcode :4; unsigned cd: 1; unsigned ad: 1; unsigned unused :1; unsigned ra :1; #endif unsigned qdcount :16; unsigned ancount :16; unsigned nscount :16; unsigned arcount :16; } HEADER; #define PACKETSZ NS_PACKETSZ #define MAXDNAME NS_MAXDNAME #define MAXCDNAME NS_MAXCDNAME #define MAXLABEL NS_MAXLABEL #define HFIXEDSZ NS_HFIXEDSZ #define QFIXEDSZ NS_QFIXEDSZ #define RRFIXEDSZ NS_RRFIXEDSZ #define INT32SZ NS_INT32SZ #define INT16SZ NS_INT16SZ #define INT8SZ NS_INT8SZ #define INADDRSZ NS_INADDRSZ #define IN6ADDRSZ NS_IN6ADDRSZ #define INDIR_MASK NS_CMPRSFLGS #define NAMESERVER_PORT NS_DEFAULTPORT #define S_ZONE ns_s_zn #define S_PREREQ ns_s_pr #define S_UPDATE ns_s_ud #define S_ADDT ns_s_ar #define QUERY ns_o_query #define IQUERY ns_o_iquery #define STATUS ns_o_status #define NS_NOTIFY_OP ns_o_notify #define NS_UPDATE_OP ns_o_update #define NOERROR ns_r_noerror #define FORMERR ns_r_formerr #define SERVFAIL ns_r_servfail #define NXDOMAIN ns_r_nxdomain #define NOTIMP ns_r_notimpl #define REFUSED ns_r_refused #define YXDOMAIN ns_r_yxdomain #define YXRRSET ns_r_yxrrset #define NXRRSET ns_r_nxrrset #define NOTAUTH ns_r_notauth #define NOTZONE ns_r_notzone #define DELETE ns_uop_delete #define ADD ns_uop_add #define T_A ns_t_a #define T_NS ns_t_ns #define T_MD ns_t_md #define T_MF ns_t_mf #define T_CNAME ns_t_cname #define T_SOA ns_t_soa #define T_MB ns_t_mb #define T_MG ns_t_mg #define T_MR ns_t_mr #define T_NULL ns_t_null #define T_WKS ns_t_wks #define T_PTR ns_t_ptr #define T_HINFO ns_t_hinfo #define T_MINFO ns_t_minfo #define T_MX ns_t_mx #define T_TXT ns_t_txt #define T_RP ns_t_rp #define T_AFSDB ns_t_afsdb #define T_X25 ns_t_x25 #define T_ISDN ns_t_isdn #define T_RT ns_t_rt #define T_NSAP ns_t_nsap #define T_NSAP_PTR ns_t_nsap_ptr #define T_SIG ns_t_sig #define T_KEY ns_t_key #define T_PX ns_t_px #define T_GPOS ns_t_gpos #define T_AAAA ns_t_aaaa #define T_LOC ns_t_loc #define T_NXT ns_t_nxt #define T_EID ns_t_eid #define T_NIMLOC ns_t_nimloc #define T_SRV ns_t_srv #define T_ATMA ns_t_atma #define T_NAPTR ns_t_naptr #define T_A6 ns_t_a6 #define T_DNAME ns_t_dname #define T_TSIG ns_t_tsig #define T_IXFR ns_t_ixfr #define T_AXFR ns_t_axfr #define T_MAILB ns_t_mailb #define T_MAILA ns_t_maila #define T_ANY ns_t_any #define C_IN ns_c_in #define C_CHAOS ns_c_chaos #define C_HS ns_c_hs #define C_NONE ns_c_none #define C_ANY ns_c_any #define GETSHORT NS_GET16 #define GETLONG NS_GET32 #define PUTSHORT NS_PUT16 #define PUTLONG NS_PUT32 #endif