--- /dev/null
+/*
+ * Copyright (c) 2000 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include "cdefs.h"
+#include "osdep.h"
+
+#include "minires/resolv.h"
+#include "minires/res_update.h"
+
+/*
+ * Based on the Dynamic DNS reference implementation by Viraj Bais
+ * <viraj_bais@ccm.fm.intel.com>
+ */
+
+extern const struct res_sym __p_type_syms[];
+extern time_t cur_time;
+
+int dn_comp (const char *,
+ unsigned char *, unsigned, unsigned char **, unsigned char **);
+int loc_aton (const char *, u_char *);
+int sym_ston (const struct res_sym *, const char *, int *);
+void res_buildservicelist (void);
+void res_destroyservicelist (void);
+void res_buildprotolist(void);
+void res_destroyprotolist(void);
+int res_servicenumber(const char *);
+int res_protocolnumber(const char *);
+const char *res_protocolname(int);
+const char *res_servicename(u_int16_t, const char *);
+u_int32_t ns_datetosecs __P((const char *cp, int *errp));
+int b64_pton (char const *, unsigned char *, size_t);
+int res_ninit (res_state);
+unsigned int res_randomid (void);
+int res_findzonecut (res_state, const char *, ns_class, int,
+ char *, size_t, struct in_addr *, int);
+int res_nsend (res_state,
+ unsigned char *, unsigned, unsigned char *, unsigned);
+int res_nsendsigned (res_state, unsigned char *,
+ unsigned, ns_tsig_key *, unsigned char *, unsigned);
+int ns_samename (const char *, const char *);
+int res_nameinquery (const char *, int, int,
+ const unsigned char *, const unsigned char *);
+int res_queriesmatch (const unsigned char *, const unsigned char *,
+ const unsigned char *, const unsigned char *);
+int dn_expand (const unsigned char *,
+ const unsigned char *, const unsigned char *, char *, unsigned);
+unsigned int ns_get16 (const unsigned char *);
+void res_close (void);
+void res_nclose (res_state);
+int res_ourserver_p (const res_state, const struct sockaddr_in *);
+int ns_sign (unsigned char *, unsigned *,
+ unsigned, int, void *, const unsigned char *,
+ unsigned, unsigned char *, unsigned *, time_t);
+const char *p_class (int);
+const char *p_section (int section, int opcode);
+int ns_makecanon (const char *, char *, size_t);
+int ns_parserr (ns_msg *, ns_sect, int, ns_rr *);
+int ns_samedomain (const char *, const char *);
+int ns_name_uncompress __P((const u_char *, const u_char *,
+ const u_char *, char *, size_t));
+int res_nmkquery (res_state, int,
+ const char *, ns_class, ns_type, const unsigned char *,
+ unsigned, const unsigned char *, unsigned char *, unsigned);
+int ns_initparse (const unsigned char *, unsigned, ns_msg *);
+int res_nquery(res_state, const char *,
+ ns_class, ns_type, unsigned char *, unsigned anslen);
+int res_nsearch(res_state, const char *,
+ ns_class, ns_type, unsigned char *, unsigned);
+const char *res_hostalias (const res_state, const char *, char *, size_t);
+int res_nquerydomain(res_state, const char *, const char *,
+ ns_class class, ns_class type, unsigned char *, unsigned);
+
+int res_mkupdate (ns_updrec *, unsigned char *, unsigned);
+int res_update (ns_updrec *);
+ns_updrec *res_mkupdrec (int, const char *, unsigned int,
+ unsigned int, unsigned long);
+void res_freeupdrec (ns_updrec *);
+int res_nmkupdate (res_state, ns_updrec *, unsigned char *, unsigned);
+int res_nupdate (res_state, ns_updrec *, ns_tsig_key *);
+int ns_skiprr(const unsigned char *, const unsigned char *, ns_sect, int);
+int dn_skipname (const unsigned char *, const unsigned char *);
+u_int32_t getULong (const unsigned char *);
+int32_t getLong (const unsigned char *);
+u_int32_t getUShort (const unsigned char *);
+int32_t getShort (const unsigned char *);
+u_int32_t getUChar (const unsigned char *);
+void putULong (unsigned char *, u_int32_t);
+void putLong (unsigned char *, int32_t);
+void putUShort (unsigned char *, u_int32_t);
+void putShort (unsigned char *, int32_t);
+void putUChar (unsigned char *, u_int32_t);
+int ns_name_ntol (const unsigned char *, unsigned char *, size_t);
+int ns_sign_tcp_init (void *,
+ const unsigned char *, unsigned, ns_tcp_tsig_state *);
+int ns_sign_tcp (unsigned char *,
+ unsigned *, unsigned, int, ns_tcp_tsig_state *, int);
+int ns_name_ntop (const unsigned char *, char *, size_t);
+int ns_name_pton (const char *, unsigned char *, size_t);
+int ns_name_unpack (const unsigned char *, const unsigned char *,
+ const unsigned char *, unsigned char *, size_t);
+int ns_name_pack (const unsigned char *, unsigned char *,
+ unsigned, const unsigned char **, const unsigned char **);
+int ns_name_compress (const char *, unsigned char *,
+ size_t, const unsigned char **, const unsigned char **);
+int ns_name_skip (const unsigned char **, const unsigned char *);
+int ns_subdomain (const char *, const char *);
+unsigned char *ns_find_tsig (unsigned char *, unsigned char *);
+int ns_verify (unsigned char *, unsigned *, void *, const unsigned char *,
+ unsigned, unsigned char *, unsigned *, time_t *, int);
+int ns_verify_tcp_init (void *,
+ const unsigned char *, unsigned, ns_tcp_tsig_state *);
+int ns_verify_tcp (unsigned char *, unsigned *, ns_tcp_tsig_state *, int);
+int b64_ntop (unsigned char const *, size_t, char *, size_t);
+
+
+
+#define DprintQ(a,b,c,d)
+#define Dprint(a,b)
+#define Perror(a, b, c, d)
+#define Aerror(a, b, c, d, e)
+#define DPRINTF(x)
+
+#define USE_MD5
--- /dev/null
+/*
+ * Copyright (c) 1983, 1987, 1989
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+/*
+ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * @(#)resolv.h 8.1 (Berkeley) 6/2/93
+ * $Id: resolv.h,v 1.1 2000/02/02 05:49:29 mellon Exp $
+ */
+
+#ifndef _RESOLV_H_
+#define _RESOLV_H_
+
+/*
+ * This used to be defined in res_query.c, now it's in herror.c.
+ * [XXX no it's not. It's in irs/irs_data.c]
+ * It was
+ * never extern'd by any *.h file before it was placed here. For thread
+ * aware programs, the last h_errno value set is stored in res->h_errno.
+ *
+ * XXX: There doesn't seem to be a good reason for exposing RES_SET_H_ERRNO
+ * (and __h_errno_set) to the public via <resolv.h>.
+ * XXX: __h_errno_set is really part of IRS, not part of the resolver.
+ * If somebody wants to build and use a resolver that doesn't use IRS,
+ * what do they do? Perhaps something like
+ * #ifdef WANT_IRS
+ * # define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x)
+ * #else
+ * # define RES_SET_H_ERRNO(r,x) (h_errno = (r)->res_h_errno = (x))
+ * #endif
+ */
+
+#define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x)
+struct __res_state; /* forward */
+void __h_errno_set(struct __res_state *res, int err);
+
+/*
+ * Resolver configuration file.
+ * Normally not present, but may contain the address of the
+ * inital name server(s) to query and the domain search list.
+ */
+
+#ifndef _PATH_RESCONF
+#define _PATH_RESCONF "/etc/resolv.conf"
+#endif
+
+typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
+ res_sendhookact;
+
+typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr_in * const *ns,
+ u_char **query,
+ unsigned *querylen,
+ u_char *ans,
+ unsigned anssiz,
+ int *resplen));
+
+typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr_in *ns,
+ u_char *query,
+ unsigned querylen,
+ u_char *ans,
+ unsigned anssiz,
+ int *resplen));
+
+struct res_sym {
+ int number; /* Identifying number, like T_MX */
+ char * name; /* Its symbolic name, like "MX" */
+ char * humanname; /* Its fun name, like "mail exchanger" */
+};
+
+/*
+ * Global defines and variables for resolver stub.
+ */
+#define MAXNS 3 /* max # name servers we'll track */
+#define MAXDFLSRCH 3 /* # default domain levels to try */
+#define MAXDNSRCH 6 /* max # domains in search path */
+#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
+
+#define RES_TIMEOUT 5 /* min. seconds between retries */
+#define MAXRESOLVSORT 10 /* number of net to sort on */
+#define RES_MAXNDOTS 15 /* should reflect bit field size */
+#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */
+#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */
+#define RES_DFLRETRY 2 /* Default #/tries. */
+
+struct __res_state {
+ int retrans; /* retransmition time interval */
+ int retry; /* number of times to retransmit */
+ u_long options; /* option flags - see below. */
+ int nscount; /* number of name servers */
+ struct sockaddr_in
+ nsaddr_list[MAXNS]; /* address of name server */
+#define nsaddr nsaddr_list[0] /* for backward compatibility */
+ u_short id; /* current message id */
+ char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
+ char defdname[256]; /* default domain (deprecated) */
+ u_long pfcode; /* RES_PRF_ flags - see below. */
+ unsigned ndots:4; /* threshold for initial abs. query */
+ unsigned nsort:4; /* number of elements in sort_list[] */
+ char unused[3];
+ struct {
+ struct in_addr addr;
+ u_int32_t mask;
+ } sort_list[MAXRESOLVSORT];
+ res_send_qhook qhook; /* query hook */
+ res_send_rhook rhook; /* response hook */
+ int res_h_errno; /* last one set for this context */
+ int _sock; /* PRIVATE: for res_send i/o */
+ u_int _flags; /* PRIVATE: see below */
+ char pad[52]; /* On an i386 this means 512b total. */
+};
+
+typedef struct __res_state *res_state;
+
+/*
+ * Resolver flags (used to be discrete per-module statics ints).
+ */
+#define RES_F_VC 0x00000001 /* socket is TCP */
+#define RES_F_CONN 0x00000002 /* socket is connected */
+
+/* res_findzonecut() options */
+#define RES_EXHAUSTIVE 0x00000001 /* always do all queries */
+
+/*
+ * Resolver options (keep these in synch with res_debug.c, please)
+ */
+#define RES_INIT 0x00000001 /* address initialized */
+#define RES_DEBUG 0x00000002 /* print debug messages */
+#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/
+#define RES_USEVC 0x00000008 /* use virtual circuit */
+#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */
+#define RES_IGNTC 0x00000020 /* ignore trucation errors */
+#define RES_RECURSE 0x00000040 /* recursion desired */
+#define RES_DEFNAMES 0x00000080 /* use default domain name */
+#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */
+#define RES_DNSRCH 0x00000200 /* search up local domain tree */
+#define RES_INSECURE1 0x00000400 /* type 1 security disabled */
+#define RES_INSECURE2 0x00000800 /* type 2 security disabled */
+#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */
+#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */
+#define RES_ROTATE 0x00004000 /* rotate ns list after each query */
+#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */
+#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */
+
+#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
+
+/*
+ * Resolver "pfcode" values. Used by dig.
+ */
+#define RES_PRF_STATS 0x00000001
+#define RES_PRF_UPDATE 0x00000002
+#define RES_PRF_CLASS 0x00000004
+#define RES_PRF_CMD 0x00000008
+#define RES_PRF_QUES 0x00000010
+#define RES_PRF_ANS 0x00000020
+#define RES_PRF_AUTH 0x00000040
+#define RES_PRF_ADD 0x00000080
+#define RES_PRF_HEAD1 0x00000100
+#define RES_PRF_HEAD2 0x00000200
+#define RES_PRF_TTLID 0x00000400
+#define RES_PRF_HEADX 0x00000800
+#define RES_PRF_QUERY 0x00001000
+#define RES_PRF_REPLY 0x00002000
+#define RES_PRF_INIT 0x00004000
+/* 0x00008000 */
+
+#if 0
+/* Things involving an internal (static) resolver context. */
+#ifdef _REENTRANT
+extern struct __res_state *__res_state(void);
+#define _res (*__res_state())
+#else
+#ifndef __BIND_NOSTATIC
+extern struct __res_state _res;
+#endif
+#endif
+
+void fp_nquery (const u_char *, int, FILE *);
+void fp_query (const u_char *, FILE *);
+const char * hostalias (const char *);
+void p_query (const u_char *);
+void res_close (void);
+int res_init (void);
+int res_isourserver (const struct sockaddr_in *);
+int res_mkquery (int, const char *, int, int, const u_char *,
+ int, const u_char *, u_char *, int);
+int res_query (const char *, int, int, u_char *, int);
+int res_querydomain (const char *, const char *, int, int,
+ u_char *, int);
+int res_search (const char *, int, int, u_char *, int);
+int res_send (const u_char *, int, u_char *, int);
+int res_sendsigned (const u_char *, int, ns_tsig_key *,
+ u_char *, int);
+
+#if !defined(SHARED_LIBBIND) || defined(LIB)
+/*
+ * If libbind is a shared object (well, DLL anyway)
+ * these externs break the linker when resolv.h is
+ * included by a lib client (like named)
+ * Make them go away if a client is including this
+ *
+ */
+extern const struct res_sym __p_key_syms[];
+extern const struct res_sym __p_cert_syms[];
+extern const struct res_sym __p_class_syms[];
+extern const struct res_sym __p_type_syms[];
+extern const struct res_sym __p_rcode_syms[];
+#endif /* SHARED_LIBBIND */
+
+int res_hnok (const char *);
+int res_ownok (const char *);
+int res_mailok (const char *);
+int res_dnok (const char *);
+int sym_ston (const struct res_sym *, const char *, int *);
+const char * sym_ntos (const struct res_sym *, int, int *);
+const char * sym_ntop (const struct res_sym *, int, int *);
+int b64_ntop (u_char const *, size_t, char *, size_t);
+int b64_pton (char const *, u_char *, size_t);
+int loc_aton (const char *ascii, u_char *binary);
+const char * loc_ntoa (const u_char *binary, char *ascii);
+int dn_skipname (const u_char *, const u_char *);
+void putlong (u_int32_t, u_char *);
+void putshort (u_int16_t, u_char *);
+const char * p_class (int);
+const char * p_time (u_int32_t);
+const char * p_type (int);
+const char * p_rcode (int);
+const u_char * p_cdnname (const u_char *, const u_char *, int, FILE *);
+const u_char * p_cdname (const u_char *, const u_char *, FILE *);
+const u_char * p_fqnname (const u_char *cp, const u_char *msg,
+ int, char *, int);
+const u_char * p_fqname (const u_char *, const u_char *, FILE *);
+const char * p_option (u_long option);
+char * p_secstodate (u_long);
+int dn_count_labels (const char *);
+int dn_expand (const u_char *, const u_char *, const u_char *,
+ char *, int);
+u_int res_randomid (void);
+int res_nameinquery (const char *, int, int,
+ const u_char *, const u_char *);
+int res_queriesmatch (const u_char *, const u_char *,
+ const u_char *, const u_char *);
+const char * p_section (int section, int opcode);
+/* Things involving a resolver context. */
+int res_ninit (res_state);
+int res_nisourserver (const res_state,
+ const struct sockaddr_in *);
+void fp_resstat (const res_state, FILE *);
+void res_npquery (const res_state, const u_char *, int, FILE *);
+const char * res_hostalias (const res_state, const char *,
+ char *, size_t);
+int res_nquery (res_state,
+ const char *, int, int, u_char *, int);
+int res_nsearch (res_state, const char *, int,
+ int, u_char *, int);
+int res_nquerydomain (res_state,
+ const char *, const char *, int, int,
+ u_char *, int);
+int res_nmkquery (res_state,
+ int, const char *, int, int, const u_char *,
+ int, const u_char *, u_char *, int);
+int res_nsend (res_state, const u_char *, int, u_char *, int);
+int res_nsendsigned (res_state, const u_char *, int,
+ ns_tsig_key *, u_char *, int);
+int res_findzonecut (res_state, const char *, ns_class, int,
+ char *, size_t, struct in_addr *, int);
+void res_nclose (res_state);
+
+#endif /* 0 */
+#endif /* !_RESOLV_H_ */
projects / thirdparty / dhcp.git / commitdiff
