1 3e0d8fb3 2005-12-27 devnull #define OUdphdrsize Udphdrsize
  2 3e0d8fb3 2005-12-27 devnull #define OUdphdr Udphdr
  3 3e0d8fb3 2005-12-27 devnull 
  4 3e0d8fb3 2005-12-27 devnull enum
  5 3e0d8fb3 2005-12-27 devnull {
  6 3e0d8fb3 2005-12-27 devnull 	/* RR types */
  7 3e0d8fb3 2005-12-27 devnull 	Ta=	1,
  8 3e0d8fb3 2005-12-27 devnull 	Tns=	2,
  9 3e0d8fb3 2005-12-27 devnull 	Tmd=	3,
 10 3e0d8fb3 2005-12-27 devnull 	Tmf=	4,
 11 3e0d8fb3 2005-12-27 devnull 	Tcname=	5,
 12 3e0d8fb3 2005-12-27 devnull 	Tsoa=	6,
 13 3e0d8fb3 2005-12-27 devnull 	Tmb=	7,
 14 3e0d8fb3 2005-12-27 devnull 	Tmg=	8,
 15 3e0d8fb3 2005-12-27 devnull 	Tmr=	9,
 16 3e0d8fb3 2005-12-27 devnull 	Tnull=	10,
 17 3e0d8fb3 2005-12-27 devnull 	Twks=	11,
 18 3e0d8fb3 2005-12-27 devnull 	Tptr=	12,
 19 3e0d8fb3 2005-12-27 devnull 	Thinfo=	13,
 20 3e0d8fb3 2005-12-27 devnull 	Tminfo=	14,
 21 3e0d8fb3 2005-12-27 devnull 	Tmx=	15,
 22 3e0d8fb3 2005-12-27 devnull 	Ttxt=	16,
 23 3e0d8fb3 2005-12-27 devnull 	Trp=	17,
 24 3e0d8fb3 2005-12-27 devnull 	Tsig=	24,
 25 3e0d8fb3 2005-12-27 devnull 	Tkey=	25,
 26 3e0d8fb3 2005-12-27 devnull 	Taaaa=	28,
 27 3e0d8fb3 2005-12-27 devnull 	Tcert=	37,
 28 3e0d8fb3 2005-12-27 devnull 
 29 3e0d8fb3 2005-12-27 devnull 	/* query types (all RR types are also queries) */
 30 3e0d8fb3 2005-12-27 devnull 	Tixfr=	251,	/* incremental zone transfer */
 31 3e0d8fb3 2005-12-27 devnull 	Taxfr=	252,	/* zone transfer */
 32 3e0d8fb3 2005-12-27 devnull 	Tmailb=	253,	/* { Tmb, Tmg, Tmr } */	
 33 3e0d8fb3 2005-12-27 devnull 	Tall=	255,	/* all records */
 34 3e0d8fb3 2005-12-27 devnull 
 35 3e0d8fb3 2005-12-27 devnull 	/* classes */
 36 3e0d8fb3 2005-12-27 devnull 	Csym=	0,	/* internal symbols */
 37 3e0d8fb3 2005-12-27 devnull 	Cin=	1,	/* internet */
 38 3e0d8fb3 2005-12-27 devnull 	Ccs,		/* CSNET (obsolete) */
 39 3e0d8fb3 2005-12-27 devnull 	Cch,		/* Chaos net */
 40 3e0d8fb3 2005-12-27 devnull 	Chs,		/* Hesiod (?) */
 41 3e0d8fb3 2005-12-27 devnull 
 42 3e0d8fb3 2005-12-27 devnull 	/* class queries (all class types are also queries) */
 43 3e0d8fb3 2005-12-27 devnull 	Call=	255,	/* all classes */
 44 3e0d8fb3 2005-12-27 devnull 
 45 3e0d8fb3 2005-12-27 devnull 	/* opcodes */
 46 3e0d8fb3 2005-12-27 devnull 	Oquery=		0<<11,		/* normal query */
 47 3e0d8fb3 2005-12-27 devnull 	Oinverse=	1<<11,		/* inverse query */
 48 3e0d8fb3 2005-12-27 devnull 	Ostatus=	2<<11,		/* status request */
 49 3e0d8fb3 2005-12-27 devnull 	Onotify=	4<<11,		/* notify slaves of updates */
 50 3e0d8fb3 2005-12-27 devnull 	Omask=		0xf<<11,	/* mask for opcode */
 51 3e0d8fb3 2005-12-27 devnull 
 52 3e0d8fb3 2005-12-27 devnull 	/* response codes */
 53 3e0d8fb3 2005-12-27 devnull 	Rok=		0,
 54 3e0d8fb3 2005-12-27 devnull 	Rformat=	1,	/* format error */
 55 3e0d8fb3 2005-12-27 devnull 	Rserver=	2,	/* server failure (e.g. no answer from something) */
 56 3e0d8fb3 2005-12-27 devnull 	Rname=		3,	/* bad name */
 57 3e0d8fb3 2005-12-27 devnull 	Runimplimented=	4,	/* unimplemented */
 58 3e0d8fb3 2005-12-27 devnull 	Rrefused=	5,	/* we don't like you */
 59 3e0d8fb3 2005-12-27 devnull 	Rmask=		0xf,	/* mask for response */
 60 3e0d8fb3 2005-12-27 devnull 	Rtimeout=	0x10,	/* timeout sending (for internal use only) */
 61 3e0d8fb3 2005-12-27 devnull 
 62 3e0d8fb3 2005-12-27 devnull 	/* bits in flag word (other than opcode and response) */
 63 3e0d8fb3 2005-12-27 devnull 	Fresp=		1<<15,	/* message is a response */
 64 3e0d8fb3 2005-12-27 devnull 	Fauth=		1<<10,	/* true if an authoritative response */
 65 3e0d8fb3 2005-12-27 devnull 	Ftrunc=		1<<9,	/* truncated message */
 66 3e0d8fb3 2005-12-27 devnull 	Frecurse=	1<<8,	/* request recursion */
 67 3e0d8fb3 2005-12-27 devnull 	Fcanrec=	1<<7,	/* server can recurse */
 68 3e0d8fb3 2005-12-27 devnull 
 69 3e0d8fb3 2005-12-27 devnull 	Domlen=		256,	/* max domain name length (with NULL) */
 70 3e0d8fb3 2005-12-27 devnull 	Labellen=	256,	/* max domain label length (with NULL) */
 71 3e0d8fb3 2005-12-27 devnull 	Strlen=		256,	/* max string length (with NULL) */
 72 3e0d8fb3 2005-12-27 devnull 	Iplen=		32,	/* max ascii ip address length (with NULL) */
 73 3e0d8fb3 2005-12-27 devnull 
 74 3e0d8fb3 2005-12-27 devnull 	/* time to live values (in seconds) */
 75 3e0d8fb3 2005-12-27 devnull 	Min=		60,
 76 3e0d8fb3 2005-12-27 devnull 	Hour=		60*Min,		/* */
 77 3e0d8fb3 2005-12-27 devnull 	Day=		24*Hour,	/* Ta, Tmx */
 78 3e0d8fb3 2005-12-27 devnull 	Week=		7*Day,		/* Tsoa, Tns */
 79 3e0d8fb3 2005-12-27 devnull 	Year=		52*Week,
 80 3e0d8fb3 2005-12-27 devnull 	DEFTTL=		Day,
 81 3e0d8fb3 2005-12-27 devnull 
 82 3e0d8fb3 2005-12-27 devnull 	/* reserved time (can't be timed out earlier) */
 83 3e0d8fb3 2005-12-27 devnull 	Reserved=	5*Min,
 84 3e0d8fb3 2005-12-27 devnull 
 85 3e0d8fb3 2005-12-27 devnull 	/* packet sizes */
 86 3e0d8fb3 2005-12-27 devnull 	Maxudp=		512,	/* maximum bytes per udp message */
 87 3e0d8fb3 2005-12-27 devnull 	Maxudpin=	2048,	/* maximum bytes per udp message */
 88 3e0d8fb3 2005-12-27 devnull 
 89 3e0d8fb3 2005-12-27 devnull 	/* length of domain name hash table */
 90 3e0d8fb3 2005-12-27 devnull 	HTLEN= 		4*1024,
 91 3e0d8fb3 2005-12-27 devnull 
 92 3e0d8fb3 2005-12-27 devnull 	RRmagic=	0xdeadbabe,
 93 3e0d8fb3 2005-12-27 devnull 	DNmagic=	0xa110a110,
 94 3e0d8fb3 2005-12-27 devnull 
 95 3e0d8fb3 2005-12-27 devnull 	/* parallelism */
 96 3e0d8fb3 2005-12-27 devnull 	Maxactive=	32,
 97 3e0d8fb3 2005-12-27 devnull };
 98 3e0d8fb3 2005-12-27 devnull 
 99 3e0d8fb3 2005-12-27 devnull typedef struct DN	DN;
100 3e0d8fb3 2005-12-27 devnull typedef struct DNSmsg	DNSmsg;
101 3e0d8fb3 2005-12-27 devnull typedef struct RR	RR;
102 3e0d8fb3 2005-12-27 devnull typedef struct SOA	SOA;
103 3e0d8fb3 2005-12-27 devnull typedef struct Area	Area;
104 3e0d8fb3 2005-12-27 devnull typedef struct Request	Request;
105 3e0d8fb3 2005-12-27 devnull typedef struct Key	Key;
106 3e0d8fb3 2005-12-27 devnull typedef struct Cert	Cert;
107 3e0d8fb3 2005-12-27 devnull typedef struct Sig	Sig;
108 3e0d8fb3 2005-12-27 devnull typedef struct Null	Null;
109 3e0d8fb3 2005-12-27 devnull typedef struct Server	Server;
110 3e0d8fb3 2005-12-27 devnull typedef struct Txt	Txt;
111 3e0d8fb3 2005-12-27 devnull 
112 3e0d8fb3 2005-12-27 devnull /*
113 3e0d8fb3 2005-12-27 devnull  *  a structure to track a request and any slave process handling it
114 3e0d8fb3 2005-12-27 devnull  */
115 3e0d8fb3 2005-12-27 devnull struct Request
116 3e0d8fb3 2005-12-27 devnull {
117 3e0d8fb3 2005-12-27 devnull 	int	isslave;	/* pid of slave */
118 3e0d8fb3 2005-12-27 devnull 	ulong	aborttime;	/* time at which we give up */
119 3e0d8fb3 2005-12-27 devnull 	jmp_buf	mret;		/* where master jumps to after starting a slave */
120 3e0d8fb3 2005-12-27 devnull 	int	id;
121 3e0d8fb3 2005-12-27 devnull };
122 3e0d8fb3 2005-12-27 devnull 
123 3e0d8fb3 2005-12-27 devnull /*
124 3e0d8fb3 2005-12-27 devnull  *  a domain name
125 3e0d8fb3 2005-12-27 devnull  */
126 3e0d8fb3 2005-12-27 devnull struct DN
127 3e0d8fb3 2005-12-27 devnull {
128 3e0d8fb3 2005-12-27 devnull 	DN	*next;		/* hash collision list */
129 3e0d8fb3 2005-12-27 devnull 	ulong	magic;
130 3e0d8fb3 2005-12-27 devnull 	char	*name;		/* owner */
131 3e0d8fb3 2005-12-27 devnull 	RR	*rr;		/* resource records off this name */
132 3e0d8fb3 2005-12-27 devnull 	ulong	referenced;	/* time last referenced */
133 3e0d8fb3 2005-12-27 devnull 	ulong	lookuptime;	/* last time we tried to get a better value */
134 3e0d8fb3 2005-12-27 devnull 	ushort	class;		/* RR class */
135 3e0d8fb3 2005-12-27 devnull 	char	refs;		/* for mark and sweep */
136 3e0d8fb3 2005-12-27 devnull 	char	nonexistent;	/* true if we get an authoritative nx for this domain */
137 3e0d8fb3 2005-12-27 devnull 	ulong	ordinal;
138 3e0d8fb3 2005-12-27 devnull };
139 3e0d8fb3 2005-12-27 devnull 
140 3e0d8fb3 2005-12-27 devnull /*
141 3e0d8fb3 2005-12-27 devnull  *  security info
142 3e0d8fb3 2005-12-27 devnull  */
143 3e0d8fb3 2005-12-27 devnull struct Key
144 3e0d8fb3 2005-12-27 devnull {
145 3e0d8fb3 2005-12-27 devnull 	int	flags;
146 3e0d8fb3 2005-12-27 devnull 	int	proto;
147 3e0d8fb3 2005-12-27 devnull 	int	alg;
148 3e0d8fb3 2005-12-27 devnull 	int	dlen;
149 3e0d8fb3 2005-12-27 devnull 	uchar	*data;
150 3e0d8fb3 2005-12-27 devnull };
151 3e0d8fb3 2005-12-27 devnull struct Cert
152 3e0d8fb3 2005-12-27 devnull {
153 3e0d8fb3 2005-12-27 devnull 	int	type;
154 3e0d8fb3 2005-12-27 devnull 	int	tag;
155 3e0d8fb3 2005-12-27 devnull 	int	alg;
156 3e0d8fb3 2005-12-27 devnull 	int	dlen;
157 3e0d8fb3 2005-12-27 devnull 	uchar	*data;
158 3e0d8fb3 2005-12-27 devnull };
159 3e0d8fb3 2005-12-27 devnull struct Sig
160 3e0d8fb3 2005-12-27 devnull {
161 3e0d8fb3 2005-12-27 devnull 	int	type;
162 3e0d8fb3 2005-12-27 devnull 	int	alg;
163 3e0d8fb3 2005-12-27 devnull 	int	labels;
164 3e0d8fb3 2005-12-27 devnull 	ulong	ttl;
165 3e0d8fb3 2005-12-27 devnull 	ulong	exp;
166 3e0d8fb3 2005-12-27 devnull 	ulong	incep;
167 3e0d8fb3 2005-12-27 devnull 	int	tag;
168 3e0d8fb3 2005-12-27 devnull 	DN	*signer;
169 3e0d8fb3 2005-12-27 devnull 	int	dlen;
170 3e0d8fb3 2005-12-27 devnull 	uchar	*data;
171 3e0d8fb3 2005-12-27 devnull };
172 3e0d8fb3 2005-12-27 devnull struct Null
173 3e0d8fb3 2005-12-27 devnull {
174 3e0d8fb3 2005-12-27 devnull 	int	dlen;
175 3e0d8fb3 2005-12-27 devnull 	uchar	*data;
176 3e0d8fb3 2005-12-27 devnull };
177 3e0d8fb3 2005-12-27 devnull 
178 3e0d8fb3 2005-12-27 devnull /*
179 3e0d8fb3 2005-12-27 devnull  *  text strings
180 3e0d8fb3 2005-12-27 devnull  */
181 3e0d8fb3 2005-12-27 devnull struct Txt
182 3e0d8fb3 2005-12-27 devnull {
183 3e0d8fb3 2005-12-27 devnull 	Txt	*next;
184 3e0d8fb3 2005-12-27 devnull 	char	*p;
185 3e0d8fb3 2005-12-27 devnull };
186 3e0d8fb3 2005-12-27 devnull 
187 3e0d8fb3 2005-12-27 devnull /*
188 3e0d8fb3 2005-12-27 devnull  *  an unpacked resource record
189 3e0d8fb3 2005-12-27 devnull  */
190 3e0d8fb3 2005-12-27 devnull struct RR
191 3e0d8fb3 2005-12-27 devnull {
192 3e0d8fb3 2005-12-27 devnull 	RR	*next;
193 3e0d8fb3 2005-12-27 devnull 	ulong	magic;
194 3e0d8fb3 2005-12-27 devnull 	DN	*owner;		/* domain that owns this resource record */
195 3e0d8fb3 2005-12-27 devnull 	uchar	negative;	/* this is a cached negative response */
196 3e0d8fb3 2005-12-27 devnull 	ulong	pc;
197 3e0d8fb3 2005-12-27 devnull 	ulong	ttl;		/* time to live to be passed on */
198 3e0d8fb3 2005-12-27 devnull 	ulong	expire;		/* time this entry expires locally */
199 3e0d8fb3 2005-12-27 devnull 	ushort	type;		/* RR type */
200 3e0d8fb3 2005-12-27 devnull 	ushort	query;		/* query tyis is in response to */
201 3e0d8fb3 2005-12-27 devnull 	uchar	auth;		/* authoritative */
202 3e0d8fb3 2005-12-27 devnull 	uchar	db;		/* from database */
203 3e0d8fb3 2005-12-27 devnull 	uchar	cached;		/* rr in cache */
204 3e0d8fb3 2005-12-27 devnull 	ulong	marker;		/* used locally when scanning rrlists */
205 3e0d8fb3 2005-12-27 devnull 	union {
206 3e0d8fb3 2005-12-27 devnull 		DN	*negsoaowner;	/* soa for cached negative response */
207 3e0d8fb3 2005-12-27 devnull 		DN	*host;	/* hostname - soa, cname, mb, md, mf, mx, ns */
208 3e0d8fb3 2005-12-27 devnull 		DN	*cpu;	/* cpu type - hinfo */
209 3e0d8fb3 2005-12-27 devnull 		DN	*mb;	/* mailbox - mg, minfo */
210 3e0d8fb3 2005-12-27 devnull 		DN	*ip;	/* ip addrss - a */
211 3e0d8fb3 2005-12-27 devnull 		DN	*rp;	/* rp arg - rp */
212 3e0d8fb3 2005-12-27 devnull 		int	cruftlen;
213 3e0d8fb3 2005-12-27 devnull 		ulong	arg0;
214 3e0d8fb3 2005-12-27 devnull 	};
215 3e0d8fb3 2005-12-27 devnull 	union {
216 3e0d8fb3 2005-12-27 devnull 		int	negrcode;	/* response code for cached negative response */
217 3e0d8fb3 2005-12-27 devnull 		DN	*rmb;	/* responsible maibox - minfo, soa, rp */
218 3e0d8fb3 2005-12-27 devnull 		DN	*ptr;	/* pointer to domain name - ptr */
219 3e0d8fb3 2005-12-27 devnull 		DN	*os;	/* operating system - hinfo */
220 3e0d8fb3 2005-12-27 devnull 		ulong	pref;	/* preference value - mx */
221 3e0d8fb3 2005-12-27 devnull 		ulong	local;	/* ns served from local database - ns */
222 3e0d8fb3 2005-12-27 devnull 		ulong	arg1;
223 3e0d8fb3 2005-12-27 devnull 	};
224 3e0d8fb3 2005-12-27 devnull 	union {
225 3e0d8fb3 2005-12-27 devnull 		SOA	*soa;	/* soa timers - soa */
226 3e0d8fb3 2005-12-27 devnull 		Key	*key;
227 3e0d8fb3 2005-12-27 devnull 		Cert	*cert;
228 3e0d8fb3 2005-12-27 devnull 		Sig	*sig;
229 3e0d8fb3 2005-12-27 devnull 		Null	*null;
230 3e0d8fb3 2005-12-27 devnull 		Txt	*txt;
231 3e0d8fb3 2005-12-27 devnull 	};
232 3e0d8fb3 2005-12-27 devnull };
233 3e0d8fb3 2005-12-27 devnull 
234 3e0d8fb3 2005-12-27 devnull /*
235 3e0d8fb3 2005-12-27 devnull  *  list of servers
236 3e0d8fb3 2005-12-27 devnull  */
237 3e0d8fb3 2005-12-27 devnull struct Server
238 3e0d8fb3 2005-12-27 devnull {
239 3e0d8fb3 2005-12-27 devnull 	Server	*next;
240 3e0d8fb3 2005-12-27 devnull 	char	*name;
241 3e0d8fb3 2005-12-27 devnull };
242 3e0d8fb3 2005-12-27 devnull 
243 3e0d8fb3 2005-12-27 devnull /*
244 3e0d8fb3 2005-12-27 devnull  *  timers for a start of authenticated record
245 3e0d8fb3 2005-12-27 devnull  */
246 3e0d8fb3 2005-12-27 devnull struct SOA
247 3e0d8fb3 2005-12-27 devnull {
248 3e0d8fb3 2005-12-27 devnull 	ulong	serial;		/* zone serial # (sec) - soa */
249 3e0d8fb3 2005-12-27 devnull 	ulong	refresh;	/* zone refresh interval (sec) - soa */
250 3e0d8fb3 2005-12-27 devnull 	ulong	retry;		/* zone retry interval (sec) - soa */
251 3e0d8fb3 2005-12-27 devnull 	ulong	expire;		/* time to expiration (sec) - soa */
252 3e0d8fb3 2005-12-27 devnull 	ulong	minttl;		/* minimum time to live for any entry (sec) - soa */
253 3e0d8fb3 2005-12-27 devnull 	Server	*slaves;	/* slave servers */
254 3e0d8fb3 2005-12-27 devnull };
255 3e0d8fb3 2005-12-27 devnull 
256 3e0d8fb3 2005-12-27 devnull /*
257 3e0d8fb3 2005-12-27 devnull  *  domain messages
258 3e0d8fb3 2005-12-27 devnull  */
259 3e0d8fb3 2005-12-27 devnull struct DNSmsg
260 3e0d8fb3 2005-12-27 devnull {
261 3e0d8fb3 2005-12-27 devnull 	ushort	id;
262 3e0d8fb3 2005-12-27 devnull 	int	flags;
263 3e0d8fb3 2005-12-27 devnull 	int	qdcount;	/* questions */
264 3e0d8fb3 2005-12-27 devnull 	RR 	*qd;
265 3e0d8fb3 2005-12-27 devnull 	int	ancount;	/* answers */
266 3e0d8fb3 2005-12-27 devnull 	RR	*an;
267 3e0d8fb3 2005-12-27 devnull 	int	nscount;	/* name servers */
268 3e0d8fb3 2005-12-27 devnull 	RR	*ns;
269 3e0d8fb3 2005-12-27 devnull 	int	arcount;	/* hints */
270 3e0d8fb3 2005-12-27 devnull 	RR	*ar;
271 3e0d8fb3 2005-12-27 devnull };
272 3e0d8fb3 2005-12-27 devnull 
273 3e0d8fb3 2005-12-27 devnull /*
274 3e0d8fb3 2005-12-27 devnull  *  definition of local area for dblookup
275 3e0d8fb3 2005-12-27 devnull  */
276 3e0d8fb3 2005-12-27 devnull struct Area
277 3e0d8fb3 2005-12-27 devnull {
278 3e0d8fb3 2005-12-27 devnull 	Area		*next;
279 3e0d8fb3 2005-12-27 devnull 
280 3e0d8fb3 2005-12-27 devnull 	int		len;		/* strlen(area->soarr->owner->name) */
281 3e0d8fb3 2005-12-27 devnull 	RR		*soarr;		/* soa defining this area */
282 3e0d8fb3 2005-12-27 devnull 	int		neednotify;
283 3e0d8fb3 2005-12-27 devnull 	int		needrefresh;
284 3e0d8fb3 2005-12-27 devnull };
285 3e0d8fb3 2005-12-27 devnull 
286 3e0d8fb3 2005-12-27 devnull enum
287 3e0d8fb3 2005-12-27 devnull {
288 3e0d8fb3 2005-12-27 devnull 	Recurse,
289 3e0d8fb3 2005-12-27 devnull 	Dontrecurse,
290 3e0d8fb3 2005-12-27 devnull 	NOneg,
291 3e0d8fb3 2005-12-27 devnull 	OKneg,
292 3e0d8fb3 2005-12-27 devnull };
293 3e0d8fb3 2005-12-27 devnull 
294 3e0d8fb3 2005-12-27 devnull /* dn.c */
295 3e0d8fb3 2005-12-27 devnull extern char	*rrtname[];
296 3e0d8fb3 2005-12-27 devnull extern char	*rname[];
297 3e0d8fb3 2005-12-27 devnull extern char	*opname[];
298 3e0d8fb3 2005-12-27 devnull extern void	db2cache(int);
299 3e0d8fb3 2005-12-27 devnull extern void	dninit(void);
300 3e0d8fb3 2005-12-27 devnull extern DN*	dnlookup(char*, int, int);
301 3e0d8fb3 2005-12-27 devnull extern void	dnage(DN*);
302 3e0d8fb3 2005-12-27 devnull extern void	dnageall(int);
303 3e0d8fb3 2005-12-27 devnull extern void	dnagedb(void);
304 3e0d8fb3 2005-12-27 devnull extern void	dnauthdb(void);
305 3e0d8fb3 2005-12-27 devnull extern void	dnget(void);
306 3e0d8fb3 2005-12-27 devnull extern void	dnpurge(void);
307 3e0d8fb3 2005-12-27 devnull extern void	dnput(void);
308 3e0d8fb3 2005-12-27 devnull extern Area*	inmyarea(char*);
309 3e0d8fb3 2005-12-27 devnull extern void	rrattach(RR*, int);
310 3e0d8fb3 2005-12-27 devnull extern RR*	rralloc(int);
311 3e0d8fb3 2005-12-27 devnull extern void	rrfree(RR*);
312 3e0d8fb3 2005-12-27 devnull extern void	rrfreelist(RR*);
313 3e0d8fb3 2005-12-27 devnull extern RR*	rrlookup(DN*, int, int);
314 3e0d8fb3 2005-12-27 devnull extern RR*	rrcat(RR**, RR*);
315 3e0d8fb3 2005-12-27 devnull extern RR**	rrcopy(RR*, RR**);
316 3e0d8fb3 2005-12-27 devnull extern RR*	rrremneg(RR**);
317 3e0d8fb3 2005-12-27 devnull extern RR*	rrremtype(RR**, int);
318 3e0d8fb3 2005-12-27 devnull extern int	rrfmt(Fmt*);
319 3e0d8fb3 2005-12-27 devnull extern int	rravfmt(Fmt*);
320 3e0d8fb3 2005-12-27 devnull extern int	rrsupported(int);
321 3e0d8fb3 2005-12-27 devnull extern int	rrtype(char*);
322 3e0d8fb3 2005-12-27 devnull extern char*	rrname(int, char*, int);
323 3e0d8fb3 2005-12-27 devnull extern int	tsame(int, int);
324 3e0d8fb3 2005-12-27 devnull extern void	dndump(char*);
325 3e0d8fb3 2005-12-27 devnull extern int	getactivity(Request*);
326 3e0d8fb3 2005-12-27 devnull extern void	putactivity(void);
327 3e0d8fb3 2005-12-27 devnull extern void	abort(); /* char*, ... */;
328 3e0d8fb3 2005-12-27 devnull extern void	warning(char*, ...);
329 3e0d8fb3 2005-12-27 devnull extern void	slave(Request*);
330 3e0d8fb3 2005-12-27 devnull extern void	dncheck(void*, int);
331 3e0d8fb3 2005-12-27 devnull extern void	unique(RR*);
332 3e0d8fb3 2005-12-27 devnull extern int	subsume(char*, char*);
333 3e0d8fb3 2005-12-27 devnull extern RR*	randomize(RR*);
334 3e0d8fb3 2005-12-27 devnull extern void*	emalloc(int);
335 3e0d8fb3 2005-12-27 devnull extern char*	estrdup(char*);
336 3e0d8fb3 2005-12-27 devnull extern void	dnptr(uchar*, uchar*, char*, int, int);
337 3e0d8fb3 2005-12-27 devnull extern void	addserver(Server**, char*);
338 3e0d8fb3 2005-12-27 devnull extern Server*	copyserverlist(Server*);
339 3e0d8fb3 2005-12-27 devnull extern void	freeserverlist(Server*);
340 3e0d8fb3 2005-12-27 devnull 
341 3e0d8fb3 2005-12-27 devnull /* dnarea.c */
342 3e0d8fb3 2005-12-27 devnull extern void	refresh_areas(Area*);
343 3e0d8fb3 2005-12-27 devnull extern void	freearea(Area**);
344 3e0d8fb3 2005-12-27 devnull extern void	addarea(DN *dp, RR *rp, Ndbtuple *t);
345 3e0d8fb3 2005-12-27 devnull 
346 3e0d8fb3 2005-12-27 devnull /* dblookup.c */
347 3e0d8fb3 2005-12-27 devnull extern RR*	dblookup(char*, int, int, int, int);
348 3e0d8fb3 2005-12-27 devnull extern RR*	dbinaddr(DN*, int);
349 3e0d8fb3 2005-12-27 devnull extern int	baddelegation(RR*, RR*, uchar*);
350 3e0d8fb3 2005-12-27 devnull extern RR*	dnsservers(int);
351 3e0d8fb3 2005-12-27 devnull extern RR*	domainlist(int);
352 3e0d8fb3 2005-12-27 devnull extern int	opendatabase(void);
353 3e0d8fb3 2005-12-27 devnull 
354 3e0d8fb3 2005-12-27 devnull /* dns.c */
355 3e0d8fb3 2005-12-27 devnull extern char*	walkup(char*);
356 3e0d8fb3 2005-12-27 devnull extern RR*	getdnsservers(int);
357 3e0d8fb3 2005-12-27 devnull extern void	logreply(int, uchar*, DNSmsg*);
358 3e0d8fb3 2005-12-27 devnull extern void	logsend(int, int, uchar*, char*, char*, int);
359 3e0d8fb3 2005-12-27 devnull 
360 3e0d8fb3 2005-12-27 devnull /* dnresolve.c */
361 3e0d8fb3 2005-12-27 devnull extern RR*	dnresolve(char*, int, int, Request*, RR**, int, int, int, int*);
362 3e0d8fb3 2005-12-27 devnull extern int	udpport(void);
363 3e0d8fb3 2005-12-27 devnull extern int	mkreq(DN *dp, int type, uchar *buf, int flags, ushort reqno);
364 3e0d8fb3 2005-12-27 devnull 
365 3e0d8fb3 2005-12-27 devnull /* dnserver.c */
366 3e0d8fb3 2005-12-27 devnull extern void	dnserver(DNSmsg*, DNSmsg*, Request*);
367 3e0d8fb3 2005-12-27 devnull extern void	dntcpserver(char*);
368 3e0d8fb3 2005-12-27 devnull 
369 3e0d8fb3 2005-12-27 devnull /* dnnotify.c */
370 3e0d8fb3 2005-12-27 devnull extern void	dnnotify(DNSmsg*, DNSmsg*, Request*);
371 3e0d8fb3 2005-12-27 devnull extern void	notifyproc(void);
372 3e0d8fb3 2005-12-27 devnull 
373 3e0d8fb3 2005-12-27 devnull /* convDNS2M.c */
374 3e0d8fb3 2005-12-27 devnull extern int	convDNS2M(DNSmsg*, uchar*, int);
375 3e0d8fb3 2005-12-27 devnull 
376 3e0d8fb3 2005-12-27 devnull /* convM2DNS.c */
377 3e0d8fb3 2005-12-27 devnull extern char*	convM2DNS(uchar*, int, DNSmsg*);
378 3e0d8fb3 2005-12-27 devnull 
379 3e0d8fb3 2005-12-27 devnull /* malloc.c */
380 3e0d8fb3 2005-12-27 devnull extern void	mallocsanity(void*);
381 3e0d8fb3 2005-12-27 devnull extern void	lasthist(void*, int, ulong);
382 3e0d8fb3 2005-12-27 devnull 
383 3e0d8fb3 2005-12-27 devnull extern int debug;
384 3e0d8fb3 2005-12-27 devnull extern int traceactivity;
385 3e0d8fb3 2005-12-27 devnull extern char	*trace;
386 3e0d8fb3 2005-12-27 devnull extern int	testing;	/* test cache whenever removing a DN */
387 3e0d8fb3 2005-12-27 devnull extern int	cachedb;
388 3e0d8fb3 2005-12-27 devnull extern int	needrefresh;
389 3e0d8fb3 2005-12-27 devnull extern char	*dbfile;
390 3e0d8fb3 2005-12-27 devnull extern char	mntpt[];
391 3e0d8fb3 2005-12-27 devnull extern char	*logfile;
392 3e0d8fb3 2005-12-27 devnull extern int	resolver;
393 3e0d8fb3 2005-12-27 devnull extern int	maxage;		/* age of oldest entry in cache (secs) */
394 3e0d8fb3 2005-12-27 devnull extern char	*zonerefreshprogram;
395 3e0d8fb3 2005-12-27 devnull extern int	sendnotifies;
396 3e0d8fb3 2005-12-27 devnull extern ulong	now;		/* time base */
397 3e0d8fb3 2005-12-27 devnull extern Area	*owned;
398 3e0d8fb3 2005-12-27 devnull extern Area	*delegated;
399 3e0d8fb3 2005-12-27 devnull 
400 3e0d8fb3 2005-12-27 devnull #pragma	varargck	type	"R"	RR*
401 3e0d8fb3 2005-12-27 devnull #pragma	varargck	type	"Q"	RR*
402 3e0d8fb3 2005-12-27 devnull