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Diffstat (limited to 'crypto/heimdal/lib/roken/resolve.h')
| -rw-r--r-- | crypto/heimdal/lib/roken/resolve.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/resolve.h b/crypto/heimdal/lib/roken/resolve.h new file mode 100644 index 0000000..1c2e9a7 --- /dev/null +++ b/crypto/heimdal/lib/roken/resolve.h @@ -0,0 +1,146 @@ +/* + * Copyright (c) 1995 - 2000 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 1.12 2000/10/15 21:28:56 assar Exp $ */ + +#ifndef __RESOLVE_H__ +#define __RESOLVE_H__ + +/* We use these, but they are not always present in <arpa/nameser.h> */ + +#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_SRV +#define T_SRV 33 +#endif +#ifndef T_NAPTR +#define T_NAPTR 35 +#endif +#ifndef T_CERT +#define T_CERT 37 +#endif + +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 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; + }u; + struct resource_record *next; +}; + +#ifndef T_A /* XXX if <arpa/nameser.h> isn't included */ +typedef int HEADER; /* will never be used */ +#endif + +struct dns_reply{ + HEADER h; + struct dns_query q; + struct resource_record *head; +}; + + +struct dns_reply* dns_lookup(const char *, const char *); +void dns_free_data(struct dns_reply *); +int dns_string_to_type(const char *name); +const char *dns_type_to_string(int type); + +#endif /* __RESOLVE_H__ */ |
