2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2002 Internet Software Consortium.
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18 /* $Id: masterdump.h,v 1.31.14.4 2005/09/01 03:04:28 marka Exp $ */
20 #ifndef DNS_MASTERDUMP_H
21 #define DNS_MASTERDUMP_H 1
33 #include <dns/types.h>
39 typedef struct dns_master_style dns_master_style_t;
46 * Flags affecting master file formatting. Flags 0x0000FFFF
47 * define the formatting of the rdata part and are defined in
51 /*% Omit the owner name when possible. */
52 #define DNS_STYLEFLAG_OMIT_OWNER 0x00010000U
55 * Omit the TTL when possible. If DNS_STYLEFLAG_TTL is
56 * also set, this means no TTLs are ever printed
57 * because $TTL directives are generated before every
58 * change in the TTL. In this case, no columns need to
59 * be reserved for the TTL. Master files generated with
60 * these options will be rejected by BIND 4.x because it
61 * does not recognize the $TTL directive.
63 * If DNS_STYLEFLAG_TTL is not also set, the TTL will be
64 * omitted when it is equal to the previous TTL.
65 * This is correct according to RFC1035, but the
66 * TTLs may be silently misinterpreted by older
67 * versions of BIND which use the SOA MINTTL as a
70 #define DNS_STYLEFLAG_OMIT_TTL 0x00020000U
72 /*% Omit the class when possible. */
73 #define DNS_STYLEFLAG_OMIT_CLASS 0x00040000U
75 /*% Output $TTL directives. */
76 #define DNS_STYLEFLAG_TTL 0x00080000U
79 * Output $ORIGIN directives and print owner names relative to
80 * the origin when possible.
82 #define DNS_STYLEFLAG_REL_OWNER 0x00100000U
84 /*% Print domain names in RR data in relative form when possible.
85 For this to take effect, DNS_STYLEFLAG_REL_OWNER must also be set. */
86 #define DNS_STYLEFLAG_REL_DATA 0x00200000U
88 /*% Print the trust level of each rdataset. */
89 #define DNS_STYLEFLAG_TRUST 0x00400000U
91 /*% Print negative caching entries. */
92 #define DNS_STYLEFLAG_NCACHE 0x00800000U
94 /*% Never print the TTL */
95 #define DNS_STYLEFLAG_NO_TTL 0x01000000U
97 /*% Never print the CLASS */
98 #define DNS_STYLEFLAG_NO_CLASS 0x02000000U
107 * The default master file style.
109 * This uses $TTL directives to avoid the need to dedicate a
110 * tab stop for the TTL. The class is only printed for the first
111 * rrset in the file and shares a tab stop with the RR type.
113 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_default;
116 * A master file style that dumps zones to a very generic format easily
117 * imported/checked with external tools.
119 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_full;
122 * A master file style that prints explicit TTL values on each
123 * record line, never using $TTL statements. The TTL has a tab
124 * stop of its own, but the class and type share one.
126 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t
127 dns_master_style_explicitttl;
130 * A master style format designed for cache files. It prints explicit TTL
131 * values on each record line and never uses $ORIGIN or relative names.
133 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_cache;
136 * A master style that prints name, ttl, class, type, and value on
137 * every line. Similar to explicitttl above, but more verbose.
138 * Intended for generating master files which can be easily parsed
139 * by perl scripts and similar applications.
141 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_simple;
144 * The style used for debugging, "dig" output, etc.
146 LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_debug;
153 dns_dumpctx_attach(dns_dumpctx_t *source, dns_dumpctx_t **target);
155 * Attach to a dump context.
158 *\li 'source' to be valid.
159 *\li 'target' to be non NULL and '*target' to be NULL.
163 dns_dumpctx_detach(dns_dumpctx_t **dctxp);
165 * Detach from a dump context.
168 *\li 'dctxp' to point to a valid dump context.
171 *\li '*dctxp' is NULL.
175 dns_dumpctx_cancel(dns_dumpctx_t *dctx);
177 * Cancel a in progress dump.
180 *\li 'dctx' to be valid.
184 dns_dumpctx_version(dns_dumpctx_t *dctx);
186 * Return the version handle (if any) of the database being dumped.
189 *\li 'dctx' to be valid.
193 dns_dumpctx_db(dns_dumpctx_t *dctx);
195 * Return the database being dumped.
198 *\li 'dctx' to be valid.
204 dns_master_dumptostreaminc(isc_mem_t *mctx, dns_db_t *db,
205 dns_dbversion_t *version,
206 const dns_master_style_t *style, FILE *f,
207 isc_task_t *task, dns_dumpdonefunc_t done,
208 void *done_arg, dns_dumpctx_t **dctxp);
211 dns_master_dumptostream(isc_mem_t *mctx, dns_db_t *db,
212 dns_dbversion_t *version,
213 const dns_master_style_t *style, FILE *f);
216 dns_master_dumptostream2(isc_mem_t *mctx, dns_db_t *db,
217 dns_dbversion_t *version,
218 const dns_master_style_t *style,
219 dns_masterformat_t format, FILE *f);
221 * Dump the database 'db' to the steam 'f' in the specified format by
222 * 'format'. If the format is dns_masterformat_text (the RFC1035 format),
223 * 'style' specifies the file style (e.g., &dns_master_style_default).
225 * dns_master_dumptostream() is an old form of dns_master_dumptostream2(),
226 * which always specifies the dns_masterformat_text format.
228 * Temporary dynamic memory may be allocated from 'mctx'.
231 *\li 'task' to be valid.
232 *\li 'done' to be non NULL.
233 *\li 'dctxp' to be non NULL && '*dctxp' to be NULL.
237 *\li ISC_R_CONTINUE dns_master_dumptostreaminc() only.
239 *\li Any database or rrset iterator error.
240 *\li Any dns_rdata_totext() error code.
246 dns_master_dumpinc(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version,
247 const dns_master_style_t *style, const char *filename,
248 isc_task_t *task, dns_dumpdonefunc_t done, void *done_arg,
249 dns_dumpctx_t **dctxp);
252 dns_master_dumpinc2(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version,
253 const dns_master_style_t *style, const char *filename,
254 isc_task_t *task, dns_dumpdonefunc_t done, void *done_arg, dns_dumpctx_t **dctxp, dns_masterformat_t format);
257 dns_master_dump(isc_mem_t *mctx, dns_db_t *db,
258 dns_dbversion_t *version,
259 const dns_master_style_t *style, const char *filename);
262 dns_master_dump2(isc_mem_t *mctx, dns_db_t *db,
263 dns_dbversion_t *version,
264 const dns_master_style_t *style, const char *filename,
265 dns_masterformat_t format);
268 * Dump the database 'db' to the file 'filename' in the specified format by
269 * 'format'. If the format is dns_masterformat_text (the RFC1035 format),
270 * 'style' specifies the file style (e.g., &dns_master_style_default).
272 * dns_master_dumpinc() and dns_master_dump() are old forms of _dumpinc2()
273 * and _dump2(), respectively, which always specify the dns_masterformat_text
276 * Temporary dynamic memory may be allocated from 'mctx'.
280 *\li ISC_R_CONTINUE dns_master_dumpinc() only.
282 *\li Any database or rrset iterator error.
283 *\li Any dns_rdata_totext() error code.
288 dns_master_rdatasettotext(dns_name_t *owner_name,
289 dns_rdataset_t *rdataset,
290 const dns_master_style_t *style,
291 isc_buffer_t *target);
293 * Convert 'rdataset' to text format, storing the result in 'target'.
296 *\li The rdata cursor position will be changed.
299 *\li 'rdataset' is a valid non-question rdataset.
301 *\li 'rdataset' is not empty.
305 dns_master_questiontotext(dns_name_t *owner_name,
306 dns_rdataset_t *rdataset,
307 const dns_master_style_t *style,
308 isc_buffer_t *target);
311 dns_master_dumpnodetostream(isc_mem_t *mctx, dns_db_t *db,
312 dns_dbversion_t *version,
313 dns_dbnode_t *node, dns_name_t *name,
314 const dns_master_style_t *style,
318 dns_master_dumpnode(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version,
319 dns_dbnode_t *node, dns_name_t *name,
320 const dns_master_style_t *style, const char *filename);
323 dns_master_stylecreate(dns_master_style_t **style, unsigned int flags,
324 unsigned int ttl_column, unsigned int class_column,
325 unsigned int type_column, unsigned int rdata_column,
326 unsigned int line_length, unsigned int tab_width,
330 dns_master_styledestroy(dns_master_style_t **style, isc_mem_t *mctx);
334 #endif /* DNS_MASTERDUMP_H */