diff options
Diffstat (limited to 'source4/heimdal/lib/roken/resolve.h')
| -rw-r--r-- | source4/heimdal/lib/roken/resolve.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/resolve.h b/source4/heimdal/lib/roken/resolve.h new file mode 100644 index 0000000000..2106c11ebd --- /dev/null +++ b/source4/heimdal/lib/roken/resolve.h @@ -0,0 +1,298 @@ +/* + * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: resolve.h,v 1.24 2005/04/12 11:29:02 lha Exp $ */ + +#ifndef __RESOLVE_H__ +#define __RESOLVE_H__ + +#ifndef ROKEN_LIB_FUNCTION +#ifdef _WIN32 +#define ROKEN_LIB_FUNCTION _stdcall +#else +#define ROKEN_LIB_FUNCTION +#endif +#endif + +typedef enum { + rk_ns_t_invalid = 0, /* Cookie. */ + rk_ns_t_a = 1, /* Host address. */ + rk_ns_t_ns = 2, /* Authoritative server. */ + rk_ns_t_md = 3, /* Mail destination. */ + rk_ns_t_mf = 4, /* Mail forwarder. */ + rk_ns_t_cname = 5, /* Canonical name. */ + rk_ns_t_soa = 6, /* Start of authority zone. */ + rk_ns_t_mb = 7, /* Mailbox domain name. */ + rk_ns_t_mg = 8, /* Mail group member. */ + rk_ns_t_mr = 9, /* Mail rename name. */ + rk_ns_t_null = 10, /* Null resource record. */ + rk_ns_t_wks = 11, /* Well known service. */ + rk_ns_t_ptr = 12, /* Domain name pointer. */ + rk_ns_t_hinfo = 13, /* Host information. */ + rk_ns_t_minfo = 14, /* Mailbox information. */ + rk_ns_t_mx = 15, /* Mail routing information. */ + rk_ns_t_txt = 16, /* Text strings. */ + rk_ns_t_rp = 17, /* Responsible person. */ + rk_ns_t_afsdb = 18, /* AFS cell database. */ + rk_ns_t_x25 = 19, /* X_25 calling address. */ + rk_ns_t_isdn = 20, /* ISDN calling address. */ + rk_ns_t_rt = 21, /* Router. */ + rk_ns_t_nsap = 22, /* NSAP address. */ + rk_ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ + rk_ns_t_sig = 24, /* Security signature. */ + rk_ns_t_key = 25, /* Security key. */ + rk_ns_t_px = 26, /* X.400 mail mapping. */ + rk_ns_t_gpos = 27, /* Geographical position (withdrawn). */ + rk_ns_t_aaaa = 28, /* Ip6 Address. */ + rk_ns_t_loc = 29, /* Location Information. */ + rk_ns_t_nxt = 30, /* Next domain (security). */ + rk_ns_t_eid = 31, /* Endpoint identifier. */ + rk_ns_t_nimloc = 32, /* Nimrod Locator. */ + rk_ns_t_srv = 33, /* Server Selection. */ + rk_ns_t_atma = 34, /* ATM Address */ + rk_ns_t_naptr = 35, /* Naming Authority PoinTeR */ + rk_ns_t_kx = 36, /* Key Exchange */ + rk_ns_t_cert = 37, /* Certification record */ + rk_ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */ + rk_ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ + rk_ns_t_sink = 40, /* Kitchen sink (experimentatl) */ + rk_ns_t_opt = 41, /* EDNS0 option (meta-RR) */ + rk_ns_t_apl = 42, /* Address prefix list (RFC 3123) */ + rk_ns_t_ds = 43, /* Delegation Signer (RFC 3658) */ + rk_ns_t_sshfp = 44, /* SSH fingerprint */ + rk_ns_t_tkey = 249, /* Transaction key */ + rk_ns_t_tsig = 250, /* Transaction signature. */ + rk_ns_t_ixfr = 251, /* Incremental zone transfer. */ + rk_ns_t_axfr = 252, /* Transfer zone of authority. */ + rk_ns_t_mailb = 253, /* Transfer mailbox records. */ + rk_ns_t_maila = 254, /* Transfer mail agent records. */ + rk_ns_t_any = 255, /* Wildcard match. */ + rk_ns_t_zxfr = 256, /* BIND-specific, nonstandard. */ + rk_ns_t_max = 65536 +} rk_ns_type; + +/* We use these, but they are not always present in <arpa/nameser.h> */ + +#ifndef C_IN +#define C_IN 1 +#endif + +#ifndef T_A +#define T_A 1 +#endif +#ifndef T_NS +#define T_NS 2 +#endif +#ifndef T_CNAME +#define T_CNAME 5 +#endif +#ifndef T_SOA +#define T_SOA 5 +#endif +#ifndef T_PTR +#define T_PTR 12 +#endif +#ifndef T_MX +#define T_MX 15 +#endif +#ifndef T_TXT +#define T_TXT 16 +#endif +#ifndef T_AFSDB +#define T_AFSDB 18 +#endif +#ifndef T_SIG +#define T_SIG 24 +#endif +#ifndef T_KEY +#define T_KEY 25 +#endif +#ifndef T_AAAA +#define T_AAAA 28 +#endif +#ifndef T_SRV +#define T_SRV 33 +#endif +#ifndef T_NAPTR +#define T_NAPTR 35 +#endif +#ifndef T_CERT +#define T_CERT 37 +#endif +#ifndef T_SSHFP +#define T_SSHFP 44 +#endif + +#ifndef MAXDNAME +#define MAXDNAME 1025 +#endif + +#define dns_query rk_dns_query +#define mx_record rk_mx_record +#define srv_record rk_srv_record +#define key_record rk_key_record +#define sig_record rk_sig_record +#define cert_record rk_cert_record +#define sshfp_record rk_sshfp_record +#define resource_record rk_resource_record +#define dns_reply rk_dns_reply + +#define dns_lookup rk_dns_lookup +#define dns_free_data rk_dns_free_data +#define dns_string_to_type rk_dns_string_to_type +#define dns_type_to_string rk_dns_type_to_string +#define dns_srv_order rk_dns_srv_order + +struct dns_query{ + char *domain; + unsigned type; + unsigned class; +}; + +struct mx_record{ + unsigned preference; + char domain[1]; +}; + +struct srv_record{ + unsigned priority; + unsigned weight; + unsigned port; + char target[1]; +}; + +struct key_record { + unsigned flags; + unsigned protocol; + unsigned algorithm; + size_t key_len; + u_char key_data[1]; +}; + +struct sig_record { + unsigned type; + unsigned algorithm; + unsigned labels; + unsigned orig_ttl; + unsigned sig_expiration; + unsigned sig_inception; + unsigned key_tag; + char *signer; + unsigned sig_len; + char sig_data[1]; /* also includes signer */ +}; + +struct cert_record { + unsigned type; + unsigned tag; + unsigned algorithm; + size_t cert_len; + u_char cert_data[1]; +}; + +struct sshfp_record { + unsigned algorithm; + unsigned type; + size_t sshfp_len; + u_char sshfp_data[1]; +}; + +struct ds_record { + unsigned key_tag; + unsigned algorithm; + unsigned digest_type; + unsigned digest_len; + u_char digest_data[1]; +}; + +struct resource_record{ + char *domain; + unsigned type; + unsigned class; + unsigned ttl; + unsigned size; + union { + void *data; + struct mx_record *mx; + struct mx_record *afsdb; /* mx and afsdb are identical */ + struct srv_record *srv; + struct in_addr *a; + char *txt; + struct key_record *key; + struct cert_record *cert; + struct sig_record *sig; + struct sshfp_record *sshfp; + struct ds_record *ds; + }u; + struct resource_record *next; +}; + +#define rk_DNS_MAX_PACKET_SIZE 0xffff + +struct dns_header { + unsigned id; + unsigned flags; +#define rk_DNS_HEADER_RESPONSE_FLAG 1 +#define rk_DNS_HEADER_AUTHORITIVE_ANSWER 2 +#define rk_DNS_HEADER_TRUNCATED_MESSAGE 4 +#define rk_DNS_HEADER_RECURSION_DESIRED 8 +#define rk_DNS_HEADER_RECURSION_AVAILABLE 16 +#define rk_DNS_HEADER_AUTHENTIC_DATA 32 +#define rk_DNS_HEADER_CHECKING_DISABLED 64 + unsigned opcode; + unsigned response_code; + unsigned qdcount; + unsigned ancount; + unsigned nscount; + unsigned arcount; +}; + +struct dns_reply{ + struct dns_header h; + struct dns_query q; + struct resource_record *head; +}; + + +struct dns_reply* ROKEN_LIB_FUNCTION + dns_lookup(const char *, const char *); +void ROKEN_LIB_FUNCTION + dns_free_data(struct dns_reply *); +int ROKEN_LIB_FUNCTION + dns_string_to_type(const char *name); +const char *ROKEN_LIB_FUNCTION + dns_type_to_string(int type); +void ROKEN_LIB_FUNCTION + dns_srv_order(struct dns_reply*); + +#endif /* __RESOLVE_H__ */ |