resolv.h
001:
002:
003:
004:
005:
006:
007:
008:
009:
010:
011:
012:
013:
014:
015:
016:
017:
018:
019:
020:
021:
022:
023:
024:
025:
026:
027:
028:
029:
030:
031:
032:
033:
034:
035:
036:
037:
038:
039:
040:
041:
042:
043:
044:
045:
046:
047:
048:
049:
050:
051:
052: #ifndef _RESOLV_H_
053:
054:
055:
056: #include <sys/types.h>
057: #include <netinet/in.h>
058:
059: #ifndef __need_res_state
060: # define _RESOLV_H_
061:
062: # include <sys/param.h>
063: # include <sys/cdefs.h>
064: # include <stdio.h>
065: # include <arpa/nameser.h>
066: #endif
067:
068: #ifndef __res_state_defined
069: # define __res_state_defined
070:
071: typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
072: res_sendhookact;
073:
074: typedef res_sendhookact (*res_send_qhook) (struct sockaddr_in * const *__ns,
075: const u_char **__query,
076: int *__querylen,
077: u_char *__ans,
078: int __anssiz,
079: int *__resplen);
080:
081: typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *__ns,
082: const u_char *__query,
083: int __querylen,
084: u_char *__ans,
085: int __anssiz,
086: int *__resplen);
087:
088:
089:
090:
091: # define MAXNS 3
092: # define MAXDFLSRCH 3
093: # define MAXDNSRCH 6
094: # define LOCALDOMAINPARTS 2
095:
096: # define RES_TIMEOUT 5
097: # define MAXRESOLVSORT 10
098: # define RES_MAXNDOTS 15
099: # define RES_MAXRETRANS 30
100: # define RES_MAXRETRY 5
101: # define RES_DFLRETRY 2
102: # define RES_MAXTIME 65535
103:
104: struct __res_state {
105: int retrans;
106: int retry;
107: u_long options;
108: int nscount;
109: struct sockaddr_in
110: nsaddr_list[MAXNS];
111: # define nsaddr nsaddr_list[0]
112: u_short id;
113:
114: char *dnsrch[MAXDNSRCH+1];
115: char defdname[256];
116: u_long pfcode;
117: unsigned ndots:4;
118: unsigned nsort:4;
119: unsigned ipv6_unavail:1;
120: unsigned unused:23;
121: struct {
122: struct in_addr addr;
123: u_int32_t mask;
124: } sort_list[MAXRESOLVSORT];
125:
126: res_send_qhook qhook;
127: res_send_rhook rhook;
128: int res_h_errno;
129: int _vcsock;
130: u_int _flags;
131:
132: union {
133: char pad[52];
134: struct {
135: u_int16_t nscount;
136: u_int16_t nsmap[MAXNS];
137: int nssocks[MAXNS];
138: u_int16_t nscount6;
139: u_int16_t nsinit;
140: struct sockaddr_in6 *nsaddrs[MAXNS];
141: #ifdef _LIBC
142: unsigned long long int initstamp
143: __attribute__((packed));
144: #else
145: unsigned int _initstamp[2];
146: #endif
147: } _ext;
148: } _u;
149: };
150:
151: typedef struct __res_state *res_state;
152: # undef __need_res_state
153: #endif
154:
155: #ifdef _RESOLV_H_
156:
157:
158:
159:
160:
161:
162:
163:
164: #define __RES 19991006
165:
166:
167:
168:
169:
170:
171:
172: #ifndef _PATH_RESCONF
173: #define _PATH_RESCONF "/etc/resolv.conf"
174: #endif
175:
176: struct res_sym {
177: int number;
178: char * name;
179: char * humanname;
180: };
181:
182:
183:
184:
185: #define RES_F_VC 0x00000001
186: #define RES_F_CONN 0x00000002
187: #define RES_F_EDNS0ERR 0x00000004
188:
189:
190: #define RES_EXHAUSTIVE 0x00000001
191:
192:
193:
194:
195: #define RES_INIT 0x00000001
196: #define RES_DEBUG 0x00000002
197: #define RES_AAONLY 0x00000004
198: #define RES_USEVC 0x00000008
199: #define RES_PRIMARY 0x00000010
200: #define RES_IGNTC 0x00000020
201: #define RES_RECURSE 0x00000040
202: #define RES_DEFNAMES 0x00000080
203: #define RES_STAYOPEN 0x00000100
204: #define RES_DNSRCH 0x00000200
205: #define RES_INSECURE1 0x00000400
206: #define RES_INSECURE2 0x00000800
207: #define RES_NOALIASES 0x00001000
208: #define RES_USE_INET6 0x00002000
209: #define RES_ROTATE 0x00004000
210: #define RES_NOCHECKNAME 0x00008000
211: #define RES_KEEPTSIG 0x00010000
212: #define RES_BLAST 0x00020000
213: #define RES_USEBSTRING 0x00040000
214:
215: #define RES_NOIP6DOTINT 0x00080000
216:
217: #define RES_USE_EDNS0 0x00100000
218: #define RES_SNGLKUP 0x00200000
219: #define RES_SNGLKUPREOP 0x00400000
220:
221: #define RES_USE_DNSSEC 0x00800000
222: #define RES_NOTLDQUERY 0x01000000
223:
224:
225: #define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT)
226:
227:
228:
229:
230: #define RES_PRF_STATS 0x00000001
231: #define RES_PRF_UPDATE 0x00000002
232: #define RES_PRF_CLASS 0x00000004
233: #define RES_PRF_CMD 0x00000008
234: #define RES_PRF_QUES 0x00000010
235: #define RES_PRF_ANS 0x00000020
236: #define RES_PRF_AUTH 0x00000040
237: #define RES_PRF_ADD 0x00000080
238: #define RES_PRF_HEAD1 0x00000100
239: #define RES_PRF_HEAD2 0x00000200
240: #define RES_PRF_TTLID 0x00000400
241: #define RES_PRF_HEADX 0x00000800
242: #define RES_PRF_QUERY 0x00001000
243: #define RES_PRF_REPLY 0x00002000
244: #define RES_PRF_INIT 0x00004000
245:
246:
247:
248: __BEGIN_DECLS
249: extern struct __res_state *__res_state(void) __attribute__ ((__const__));
250: __END_DECLS
251: #define _res (*__res_state())
252:
253: #ifndef __BIND_NOSTATIC
254: #define fp_nquery __fp_nquery
255: #define fp_query __fp_query
256: #define hostalias __hostalias
257: #define p_query __p_query
258: #define res_close __res_close
259: #define res_init __res_init
260: #define res_isourserver __res_isourserver
261: #define res_mkquery __res_mkquery
262: #define res_query __res_query
263: #define res_querydomain __res_querydomain
264: #define res_search __res_search
265: #define res_send __res_send
266:
267: __BEGIN_DECLS
268: void fp_nquery (const u_char *, int, FILE *) __THROW;
269: void fp_query (const u_char *, FILE *) __THROW;
270: const char * hostalias (const char *) __THROW;
271: void p_query (const u_char *) __THROW;
272: void res_close (void) __THROW;
273: int res_init (void) __THROW;
274: int res_isourserver (const struct sockaddr_in *) __THROW;
275: int res_mkquery (int, const char *, int, int, const u_char *,
276: int, const u_char *, u_char *, int) __THROW;
277: int res_query (const char *, int, int, u_char *, int) __THROW;
278: int res_querydomain (const char *, const char *, int, int,
279: u_char *, int) __THROW;
280: int res_search (const char *, int, int, u_char *, int) __THROW;
281: int res_send (const u_char *, int, u_char *, int) __THROW;
282: __END_DECLS
283: #endif
284:
285: #define b64_ntop __b64_ntop
286: #define b64_pton __b64_pton
287: #define dn_comp __dn_comp
288: #define dn_count_labels __dn_count_labels
289: #define dn_expand __dn_expand
290: #define dn_skipname __dn_skipname
291: #define fp_resstat __fp_resstat
292: #define loc_aton __loc_aton
293: #define loc_ntoa __loc_ntoa
294: #define p_cdname __p_cdname
295: #define p_cdnname __p_cdnname
296: #define p_class __p_class
297: #define p_fqname __p_fqname
298: #define p_fqnname __p_fqnname
299: #define p_option __p_option
300: #define p_secstodate __p_secstodate
301: #define p_section __p_section
302: #define p_time __p_time
303: #define p_type __p_type
304: #define p_rcode __p_rcode
305: #define putlong __putlong
306: #define putshort __putshort
307: #define res_dnok __res_dnok
308: #define res_hnok __res_hnok
309: #define res_hostalias __res_hostalias
310: #define res_mailok __res_mailok
311: #define res_nameinquery __res_nameinquery
312: #define res_nclose __res_nclose
313: #define res_ninit __res_ninit
314: #define res_nmkquery __res_nmkquery
315: #define res_npquery __res_npquery
316: #define res_nquery __res_nquery
317: #define res_nquerydomain __res_nquerydomain
318: #define res_nsearch __res_nsearch
319: #define res_nsend __res_nsend
320: #define res_nisourserver __res_nisourserver
321: #define res_ownok __res_ownok
322: #define res_queriesmatch __res_queriesmatch
323: #define res_randomid __res_randomid
324: #define sym_ntop __sym_ntop
325: #define sym_ntos __sym_ntos
326: #define sym_ston __sym_ston
327: __BEGIN_DECLS
328: int res_hnok (const char *) __THROW;
329: int res_ownok (const char *) __THROW;
330: int res_mailok (const char *) __THROW;
331: int res_dnok (const char *) __THROW;
332: int sym_ston (const struct res_sym *, const char *, int *) __THROW;
333: const char * sym_ntos (const struct res_sym *, int, int *) __THROW;
334: const char * sym_ntop (const struct res_sym *, int, int *) __THROW;
335: int b64_ntop (u_char const *, size_t, char *, size_t) __THROW;
336: int b64_pton (char const *, u_char *, size_t) __THROW;
337: int loc_aton (const char *__ascii, u_char *__binary) __THROW;
338: const char * loc_ntoa (const u_char *__binary, char *__ascii) __THROW;
339: int dn_skipname (const u_char *, const u_char *) __THROW;
340: void putlong (u_int32_t, u_char *) __THROW;
341: void putshort (u_int16_t, u_char *) __THROW;
342: const char * p_class (int) __THROW;
343: const char * p_time (u_int32_t) __THROW;
344: const char * p_type (int) __THROW;
345: const char * p_rcode (int) __THROW;
346: const u_char * p_cdnname (const u_char *, const u_char *, int, FILE *)
347: __THROW;
348: const u_char * p_cdname (const u_char *, const u_char *, FILE *) __THROW;
349: const u_char * p_fqnname (const u_char *__cp, const u_char *__msg,
350: int, char *, int) __THROW;
351: const u_char * p_fqname (const u_char *, const u_char *, FILE *) __THROW;
352: const char * p_option (u_long __option) __THROW;
353: char * p_secstodate (u_long) __THROW;
354: int dn_count_labels (const char *) __THROW;
355: int dn_comp (const char *, u_char *, int, u_char **, u_char **)
356: __THROW;
357: int dn_expand (const u_char *, const u_char *, const u_char *,
358: char *, int) __THROW;
359: u_int res_randomid (void) __THROW;
360: int res_nameinquery (const char *, int, int,
361: const u_char *, const u_char *) __THROW;
362: int res_queriesmatch (const u_char *, const u_char *,
363: const u_char *, const u_char *) __THROW;
364: const char * p_section (int __section, int __opcode) __THROW;
365:
366: int res_ninit (res_state) __THROW;
367: int res_nisourserver (const res_state,
368: const struct sockaddr_in *) __THROW;
369: void fp_resstat (const res_state, FILE *) __THROW;
370: void res_npquery (const res_state, const u_char *, int, FILE *)
371: __THROW;
372: const char * res_hostalias (const res_state, const char *, char *, size_t)
373: __THROW;
374: int res_nquery (res_state, const char *, int, int, u_char *, int)
375: __THROW;
376: int res_nsearch (res_state, const char *, int, int, u_char *, int)
377: __THROW;
378: int res_nquerydomain (res_state, const char *, const char *, int,
379: int, u_char *, int) __THROW;
380: int res_nmkquery (res_state, int, const char *, int, int,
381: const u_char *, int, const u_char *, u_char *,
382: int) __THROW;
383: int res_nsend (res_state, const u_char *, int, u_char *, int)
384: __THROW;
385: void res_nclose (res_state) __THROW;
386: __END_DECLS
387: #endif
388:
389: #endif
390:
© Andrew Scott 2006 -
2024,
All Rights Reserved