| #ifndef _ARPA_NAMESER_H |
| #define _ARPA_NAMESER_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <endian.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) |
| #define ns_msg_getflag(handle, flag) \ |
| (((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift) |
| |
| 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) (void)((s) = ns_get16(((cp)+=2)-2)) |
| #define NS_GET32(l, cp) (void)((l) = ns_get32(((cp)+=4)-4)) |
| #define NS_PUT16(s, cp) ns_put16((s), ((cp)+=2)-2) |
| #define NS_PUT32(l, cp) ns_put32((l), ((cp)+=4)-4) |
| |
| unsigned ns_get16(const unsigned char *); |
| unsigned long ns_get32(const unsigned char *); |
| void ns_put16(unsigned, unsigned char *); |
| void ns_put32(unsigned long, unsigned char *); |
| |
| int ns_initparse(const unsigned char *, int, ns_msg *); |
| int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); |
| int ns_skiprr(const unsigned char *, const unsigned char *, ns_sect, int); |
| int ns_name_uncompress(const unsigned char *, const unsigned char *, const unsigned char *, char *, size_t); |
| |
| |
| #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 |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
