diff options
Diffstat (limited to 'lib/isccfg/include')
| -rw-r--r-- | lib/isccfg/include/isccfg/aclconf.h | 91 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/cfg.h | 609 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/duration.h | 87 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/grammar.h | 590 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/kaspconf.h | 56 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/log.h | 46 | ||||
| -rw-r--r-- | lib/isccfg/include/isccfg/namedconf.h | 54 |
7 files changed, 1533 insertions, 0 deletions
diff --git a/lib/isccfg/include/isccfg/aclconf.h b/lib/isccfg/include/isccfg/aclconf.h new file mode 100644 index 0000000..eb1b9ab --- /dev/null +++ b/lib/isccfg/include/isccfg/aclconf.h @@ -0,0 +1,91 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#include <inttypes.h> + +#include <isc/lang.h> + +#include <dns/geoip.h> +#include <dns/types.h> + +#include <isccfg/cfg.h> + +typedef struct cfg_aclconfctx { + ISC_LIST(dns_acl_t) named_acl_cache; + isc_mem_t *mctx; +#if defined(HAVE_GEOIP2) + dns_geoip_databases_t *geoip; +#endif /* if defined(HAVE_GEOIP2) */ + isc_refcount_t references; +} cfg_aclconfctx_t; + +/*** + *** Functions + ***/ + +ISC_LANG_BEGINDECLS + +isc_result_t +cfg_aclconfctx_create(isc_mem_t *mctx, cfg_aclconfctx_t **ret); +/* + * Creates and initializes an ACL configuration context. + */ + +void +cfg_aclconfctx_detach(cfg_aclconfctx_t **actxp); +/* + * Removes a reference to an ACL configuration context; when references + * reaches zero, clears the contents and deallocate the structure. + */ + +void +cfg_aclconfctx_attach(cfg_aclconfctx_t *src, cfg_aclconfctx_t **dest); +/* + * Attaches a pointer to an existing ACL configuration context. + */ + +isc_result_t +cfg_acl_fromconfig(const cfg_obj_t *caml, const cfg_obj_t *cctx, + isc_log_t *lctx, cfg_aclconfctx_t *ctx, isc_mem_t *mctx, + unsigned int nest_level, dns_acl_t **target); + +isc_result_t +cfg_acl_fromconfig2(const cfg_obj_t *caml, const cfg_obj_t *cctx, + isc_log_t *lctx, cfg_aclconfctx_t *ctx, isc_mem_t *mctx, + unsigned int nest_level, uint16_t family, + dns_acl_t **target); +/* + * Construct a new dns_acl_t from configuration data in 'caml' and + * 'cctx'. Memory is allocated through 'mctx'. + * + * Any named ACLs referred to within 'caml' will be be converted + * into nested dns_acl_t objects. Multiple references to the same + * named ACLs will be converted into shared references to a single + * nested dns_acl_t object when the referring objects were created + * passing the same ACL configuration context 'ctx'. + * + * cfg_acl_fromconfig() is a backward-compatible version of + * cfg_acl_fromconfig2(), which allows an address family to be + * specified. If 'family' is not zero, then only addresses/prefixes + * of a matching family (AF_INET or AF_INET6) may be configured. + * + * On success, attach '*target' to the new dns_acl_t object. + * + * Require: + * 'ctx' to be non NULL. + * '*target' to be NULL or a valid dns_acl_t. + */ + +ISC_LANG_ENDDECLS diff --git a/lib/isccfg/include/isccfg/cfg.h b/lib/isccfg/include/isccfg/cfg.h new file mode 100644 index 0000000..c4f2d86 --- /dev/null +++ b/lib/isccfg/include/isccfg/cfg.h @@ -0,0 +1,609 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +/***** +***** Module Info +*****/ + +/*! \file isccfg/cfg.h + * \brief + * This is the new, table-driven, YACC-free configuration file parser. + */ + +/*** + *** Imports + ***/ + +#include <inttypes.h> +#include <stdbool.h> +#include <time.h> + +#include <isc/formatcheck.h> +#include <isc/lang.h> +#include <isc/list.h> +#include <isc/refcount.h> +#include <isc/types.h> + +/*** + *** Types + ***/ + +/*% + * A configuration parser. + */ +typedef struct cfg_parser cfg_parser_t; + +/*% + * A configuration type definition object. There is a single + * static cfg_type_t object for each data type supported by + * the configuration parser. + */ +typedef struct cfg_type cfg_type_t; + +/*% + * A configuration object. This is the basic building block of the + * configuration parse tree. It contains a value (which may be + * of one of several types) and information identifying the file + * and line number the value came from, for printing error + * messages. + */ +typedef struct cfg_obj cfg_obj_t; + +/*% + * A configuration object list element. + */ +typedef struct cfg_listelt cfg_listelt_t; + +/*% + * A callback function to be called when parsing an option + * that needs to be interpreted at parsing time, like + * "directory". + */ +typedef isc_result_t (*cfg_parsecallback_t)(const char *clausename, + const cfg_obj_t *obj, void *arg); + +/*** + *** Functions + ***/ + +ISC_LANG_BEGINDECLS + +void +cfg_parser_attach(cfg_parser_t *src, cfg_parser_t **dest); +/*%< + * Reference a parser object. + */ + +isc_result_t +cfg_parser_create(isc_mem_t *mctx, isc_log_t *lctx, cfg_parser_t **ret); +/*%< + * Create a configuration file parser. Any warning and error + * messages will be logged to 'lctx'. + * + * The parser object returned can be used for a single call + * to cfg_parse_file() or cfg_parse_buffer(). It must not + * be reused for parsing multiple files or buffers. + */ + +void +cfg_parser_setflags(cfg_parser_t *pctx, unsigned int flags, bool turn_on); +/*%< + * Set parser context flags. The flags are not checked for sensibility. + * If 'turn_on' is 'true' the flags will be set, otherwise the flags will + * be cleared. + * + * Requires: + *\li "pctx" is not NULL. + */ + +void +cfg_parser_setcallback(cfg_parser_t *pctx, cfg_parsecallback_t callback, + void *arg); +/*%< + * Make the parser call 'callback' whenever it encounters + * a configuration clause with the callback attribute, + * passing it the clause name, the clause value, + * and 'arg' as arguments. + * + * To restore the default of not invoking callbacks, pass + * callback==NULL and arg==NULL. + */ + +isc_result_t +cfg_parse_file(cfg_parser_t *pctx, const char *file, const cfg_type_t *type, + cfg_obj_t **ret); + +isc_result_t +cfg_parse_buffer(cfg_parser_t *pctx, isc_buffer_t *buffer, const char *file, + unsigned int line, const cfg_type_t *type, unsigned int flags, + cfg_obj_t **ret); +/*%< + * Read a configuration containing data of type 'type' + * and make '*ret' point to its parse tree. + * + * The configuration is read from the file 'filename' + * (isc_parse_file()) or the buffer 'buffer' + * (isc_parse_buffer()). + * + * If 'file' is not NULL, it is the name of the file, or a name to use + * for the buffer in place of the filename, when logging errors. + * + * If 'line' is not 0, then it is the beginning line number to report + * when logging errors. This is useful when passing text that has been + * read from the middle of a file. + * + * Returns an error if the file or buffer does not parse correctly. + * + * Requires: + *\li "filename" is valid. + *\li "mem" is valid. + *\li "type" is valid. + *\li "cfg" is non-NULL and "*cfg" is NULL. + *\li "flags" be one or more of CFG_PCTX_NODEPRECATED or zero. + * + * Returns: + * \li #ISC_R_SUCCESS - success + *\li #ISC_R_NOMEMORY - no memory available + *\li #ISC_R_INVALIDFILE - file doesn't exist or is unreadable + *\li others - file contains errors + */ + +isc_result_t +cfg_parser_mapadd(cfg_parser_t *pctx, cfg_obj_t *mapobj, cfg_obj_t *obj, + const char *clause); +/*%< + * Add the object 'obj' to the specified clause in mapbody 'mapobj'. + * Used for adding new zones. + * + * Require: + * \li 'obj' is a valid cfg_obj_t. + * \li 'mapobj' is a valid cfg_obj_t of type map. + * \li 'pctx' is a valid cfg_parser_t. + */ + +void +cfg_parser_reset(cfg_parser_t *pctx); +/*%< + * Reset an existing parser so it can be re-used for a new file or + * buffer. + */ + +void +cfg_parser_destroy(cfg_parser_t **pctxp); +/*%< + * Remove a reference to a configuration parser; destroy it if there are no + * more references. + */ + +bool +cfg_obj_isvoid(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of void type (e.g., an optional + * value not specified). + */ + +bool +cfg_obj_ismap(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of a map type. + */ + +bool +cfg_obj_isfixedpoint(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of a fixedpoint type. + */ + +bool +cfg_obj_ispercentage(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of a percentage type. + */ + +isc_result_t +cfg_map_get(const cfg_obj_t *mapobj, const char *name, const cfg_obj_t **obj); +/*%< + * Extract an element from a configuration object, which + * must be of a map type. + * + * Requires: + * \li 'mapobj' points to a valid configuration object of a map type. + * \li 'name' points to a null-terminated string. + * \li 'obj' is non-NULL and '*obj' is NULL. + * + * Returns: + * \li #ISC_R_SUCCESS - success + * \li #ISC_R_NOTFOUND - name not found in map + */ + +const cfg_obj_t * +cfg_map_getname(const cfg_obj_t *mapobj); +/*%< + * Get the name of a named map object, like a server "key" clause. + * + * Requires: + * \li 'mapobj' points to a valid configuration object of a map type. + * + * Returns: + * \li A pointer to a configuration object naming the map object, + * or NULL if the map object does not have a name. + */ + +unsigned int +cfg_map_count(const cfg_obj_t *mapobj); +/*%< + * Get the number of elements defined in the symbol table of a map object. + * + * Requires: + * \li 'mapobj' points to a valid configuration object of a map type. + * + * Returns: + * \li The number of elements in the map object. + */ + +bool +cfg_obj_istuple(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of a map type. + */ + +const cfg_obj_t * +cfg_tuple_get(const cfg_obj_t *tupleobj, const char *name); +/*%< + * Extract an element from a configuration object, which + * must be of a tuple type. + * + * Requires: + * \li 'tupleobj' points to a valid configuration object of a tuple type. + * \li 'name' points to a null-terminated string naming one of the + *\li fields of said tuple type. + */ + +bool +cfg_obj_isuint32(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of integer type. + */ + +uint32_t +cfg_obj_asuint32(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of 32-bit integer type. + * + * Requires: + * \li 'obj' points to a valid configuration object of 32-bit integer type. + * + * Returns: + * \li A 32-bit unsigned integer. + */ + +bool +cfg_obj_isuint64(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of integer type. + */ + +uint64_t +cfg_obj_asuint64(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of 64-bit integer type. + * + * Requires: + * \li 'obj' points to a valid configuration object of 64-bit integer type. + * + * Returns: + * \li A 64-bit unsigned integer. + */ + +uint32_t +cfg_obj_asfixedpoint(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of fixed point number. + * + * Requires: + * \li 'obj' points to a valid configuration object of fixed point type. + * + * Returns: + * \li A 32-bit unsigned integer. + */ + +uint32_t +cfg_obj_aspercentage(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of percentage + * + * Requires: + * \li 'obj' points to a valid configuration object of percentage type. + * + * Returns: + * \li A 32-bit unsigned integer. + */ + +bool +cfg_obj_isduration(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of duration type. + */ + +uint32_t +cfg_obj_asduration(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of duration + * + * Requires: + * \li 'obj' points to a valid configuration object of duration type. + * + * Returns: + * \li A duration in seconds. + */ + +bool +cfg_obj_isstring(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of string type. + */ + +const char * +cfg_obj_asstring(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of a string type + * as a null-terminated string. + * + * Requires: + * \li 'obj' points to a valid configuration object of a string type. + * + * Returns: + * \li A pointer to a null terminated string. + */ + +bool +cfg_obj_isboolean(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of a boolean type. + */ + +bool +cfg_obj_asboolean(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object of a boolean type. + * + * Requires: + * \li 'obj' points to a valid configuration object of a boolean type. + * + * Returns: + * \li A boolean value. + */ + +bool +cfg_obj_issockaddr(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is a socket address. + */ + +const isc_sockaddr_t * +cfg_obj_assockaddr(const cfg_obj_t *obj); +/*%< + * Returns the value of a configuration object representing a socket address. + * + * Requires: + * \li 'obj' points to a valid configuration object of a socket address + * type. + * + * Returns: + * \li A pointer to a sockaddr. The sockaddr must be copied by the caller + * if necessary. + */ + +bool +cfg_obj_isnetprefix(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is a network prefix. + */ + +void +cfg_obj_asnetprefix(const cfg_obj_t *obj, isc_netaddr_t *netaddr, + unsigned int *prefixlen); +/*%< + * Gets the value of a configuration object representing a network + * prefix. The network address is returned through 'netaddr' and the + * prefix length in bits through 'prefixlen'. + * + * Requires: + * \li 'obj' points to a valid configuration object of network prefix type. + *\li 'netaddr' and 'prefixlen' are non-NULL. + */ + +bool +cfg_obj_islist(const cfg_obj_t *obj); +/*%< + * Return true iff 'obj' is of list type. + */ + +const cfg_listelt_t * +cfg_list_first(const cfg_obj_t *obj); +/*%< + * Returns the first list element in a configuration object of a list type. + * + * Requires: + * \li 'obj' points to a valid configuration object of a list type or NULL. + * + * Returns: + * \li A pointer to a cfg_listelt_t representing the first list element, + * or NULL if the list is empty or nonexistent. + */ + +const cfg_listelt_t * +cfg_list_next(const cfg_listelt_t *elt); +/*%< + * Returns the next element of a list of configuration objects. + * + * Requires: + * \li 'elt' points to cfg_listelt_t obtained from cfg_list_first() or + * a previous call to cfg_list_next(). + * + * Returns: + * \li A pointer to a cfg_listelt_t representing the next element, + * or NULL if there are no more elements. + */ + +unsigned int +cfg_list_length(const cfg_obj_t *obj, bool recurse); +/*%< + * Returns the length of a list of configure objects. If obj is + * not a list, returns 0. If recurse is true, add in the length of + * all contained lists. + */ + +cfg_obj_t * +cfg_listelt_value(const cfg_listelt_t *elt); +/*%< + * Returns the configuration object associated with cfg_listelt_t. + * + * Requires: + * \li 'elt' points to cfg_listelt_t obtained from cfg_list_first() or + * cfg_list_next(). + * + * Returns: + * \li A non-NULL pointer to a configuration object. + */ + +void +cfg_print(const cfg_obj_t *obj, + void (*f)(void *closure, const char *text, int textlen), + void *closure); +void +cfg_printx(const cfg_obj_t *obj, unsigned int flags, + void (*f)(void *closure, const char *text, int textlen), + void *closure); + +#define CFG_PRINTER_XKEY 0x1 /* '?' out shared keys. */ +#define CFG_PRINTER_ONELINE 0x2 /* print config as a single line */ +#define CFG_PRINTER_ACTIVEONLY \ + 0x4 /* print only active configuration \ + * options, omitting ancient, \ + * obsolete, nonimplemented, \ + * and test-only options. */ + +/*%< + * Print the configuration object 'obj' by repeatedly calling the + * function 'f', passing 'closure' and a region of text starting + * at 'text' and comprising 'textlen' characters. + * + * If CFG_PRINTER_XKEY the contents of shared keys will be obscured + * by replacing them with question marks ('?') + */ + +void +cfg_print_grammar(const cfg_type_t *type, unsigned int flags, + void (*f)(void *closure, const char *text, int textlen), + void *closure); +/*%< + * Print a summary of the grammar of the configuration type 'type'. + */ + +bool +cfg_obj_istype(const cfg_obj_t *obj, const cfg_type_t *type); +/*%< + * Return true iff 'obj' is of type 'type'. + */ + +void +cfg_obj_attach(cfg_obj_t *src, cfg_obj_t **dest); +/*%< + * Reference a configuration object. + */ + +void +cfg_obj_destroy(cfg_parser_t *pctx, cfg_obj_t **obj); +/*%< + * Delete a reference to a configuration object; destroy the object if + * there are no more references. + * + * Require: + * \li '*obj' is a valid cfg_obj_t. + * \li 'pctx' is a valid cfg_parser_t. + */ + +void +cfg_obj_log(const cfg_obj_t *obj, isc_log_t *lctx, int level, const char *fmt, + ...) ISC_FORMAT_PRINTF(4, 5); +/*%< + * Log a message concerning configuration object 'obj' to the logging + * channel of 'pctx', at log level 'level'. The message will be prefixed + * with the file name(s) and line number where 'obj' was defined. + */ + +const char * +cfg_obj_file(const cfg_obj_t *obj); +/*%< + * Return the file that defined this object. + */ + +unsigned int +cfg_obj_line(const cfg_obj_t *obj); +/*%< + * Return the line in file where this object was defined. + */ + +const char * +cfg_map_firstclause(const cfg_type_t *map, const void **clauses, + unsigned int *idx); +const char * +cfg_map_nextclause(const cfg_type_t *map, const void **clauses, + unsigned int *idx); + +typedef isc_result_t(pluginlist_cb_t)(const cfg_obj_t *config, + const cfg_obj_t *obj, + const char *plugin_path, + const char *parameters, + void *callback_data); +/*%< + * Function prototype for the callback used with cfg_pluginlist_foreach(). + * Called once for each element of the list passed to cfg_pluginlist_foreach(). + * If this callback returns anything else than #ISC_R_SUCCESS, no further list + * elements will be processed. + * + * \li 'config' - the 'config' object passed to cfg_pluginlist_foreach() + * \li 'obj' - object representing the specific "plugin" stanza to be processed + * \li 'plugin_path' - path to the shared object with plugin code + * \li 'parameters' - configuration text for the plugin + * \li 'callback_data' - the pointer passed to cfg_pluginlist_foreach() + */ + +isc_result_t +cfg_pluginlist_foreach(const cfg_obj_t *config, const cfg_obj_t *list, + isc_log_t *lctx, pluginlist_cb_t *callback, + void *callback_data); +/*%< + * For every "plugin" stanza present in 'list' (which in turn is a part of + * 'config'), invoke the given 'callback', passing 'callback_data' to it along + * with a fixed set of arguments (see the definition of the #pluginlist_cb_t + * type). Use logging context 'lctx' for logging error messages. Interrupt + * processing if 'callback' returns something else than #ISC_R_SUCCESS for any + * element of 'list'. + * + * Requires: + * + * \li 'config' is not NULL + * \li 'callback' is not NULL + * + * Returns: + * + * \li #ISC_R_SUCCESS if 'callback' returned #ISC_R_SUCCESS for all elements of + * 'list' + * \li first 'callback' return value which was not #ISC_R_SUCCESS otherwise + */ + +ISC_LANG_ENDDECLS diff --git a/lib/isccfg/include/isccfg/duration.h b/lib/isccfg/include/isccfg/duration.h new file mode 100644 index 0000000..bd0c35b --- /dev/null +++ b/lib/isccfg/include/isccfg/duration.h @@ -0,0 +1,87 @@ + +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +/*! \file */ + +#include <inttypes.h> +#include <stdbool.h> + +#include <isc/lang.h> +#include <isc/types.h> + +ISC_LANG_BEGINDECLS + +#define CFG_DURATION_MAXLEN 80 + +/*% + * A configuration object to store ISO 8601 durations. + */ +typedef struct isccfg_duration { + /* + * The duration is stored in multiple parts: + * [0] Years + * [1] Months + * [2] Weeks + * [3] Days + * [4] Hours + * [5] Minutes + * [6] Seconds + */ + uint32_t parts[7]; + bool iso8601; + bool unlimited; +} isccfg_duration_t; + +isc_result_t +isccfg_duration_fromtext(isc_textregion_t *source, isccfg_duration_t *duration); +/*%< + * Converts an ISO 8601 duration style value. + * + * Returns: + *\li ISC_R_SUCCESS + *\li DNS_R_BADNUMBER + */ + +isc_result_t +isccfg_parse_duration(isc_textregion_t *source, isccfg_duration_t *duration); +/*%< + * Converts a duration string to a ISO 8601 duration. + * If the string does not start with a P (or p), fall back to TTL-style value. + * In that case the duration will be treated in seconds only. + * + * Returns: + *\li ISC_R_SUCCESS + *\li DNS_R_BADNUMBER + *\li DNS_R_BADTTL + */ + +uint32_t +isccfg_duration_toseconds(const isccfg_duration_t *duration); +/*%< + * Converts an ISO 8601 duration to seconds. + * The conversion is approximate: + * - Months will be treated as 31 days. + * - Years will be treated as 365 days. + * + * Notes: + *\li If the duration in seconds is greater than UINT32_MAX, the return value + * will be UINT32_MAX. + * + * Returns: + *\li The duration in seconds. + */ + +ISC_LANG_ENDDECLS diff --git a/lib/isccfg/include/isccfg/grammar.h b/lib/isccfg/include/isccfg/grammar.h new file mode 100644 index 0000000..83482d9 --- /dev/null +++ b/lib/isccfg/include/isccfg/grammar.h @@ -0,0 +1,590 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +/*! \file isccfg/grammar.h */ + +#include <inttypes.h> +#include <stdbool.h> + +#include <isc/lex.h> +#include <isc/netaddr.h> +#include <isc/region.h> +#include <isc/sockaddr.h> +#include <isc/types.h> + +#include <isccfg/cfg.h> +#include <isccfg/duration.h> + +/* + * Definitions shared between the configuration parser + * and the grammars; not visible to users of the parser. + */ + +/*% Clause may occur multiple times (e.g., "zone") */ +#define CFG_CLAUSEFLAG_MULTI 0x00000001 +/*% Clause is obsolete (logs a warning, but is not a fatal error) */ +#define CFG_CLAUSEFLAG_OBSOLETE 0x00000002 +/* obsolete: #define CFG_CLAUSEFLAG_NOTIMP 0x00000004 */ +/* obsolete: #define CFG_CLAUSEFLAG_NYI 0x00000008 */ +/* obsolete: #define CFG_CLAUSEFLAG_NEWDEFAULT 0x00000010 */ +/*% + * Clause needs to be interpreted during parsing + * by calling a callback function, like the + * "directory" option. + */ +#define CFG_CLAUSEFLAG_CALLBACK 0x00000020 +/*% An option that is only used in testing. */ +#define CFG_CLAUSEFLAG_TESTONLY 0x00000040 +/*% A configuration option that was not configured at compile time. */ +#define CFG_CLAUSEFLAG_NOTCONFIGURED 0x00000080 +/*% An option for an experimental feature. */ +#define CFG_CLAUSEFLAG_EXPERIMENTAL 0x00000100 +/*% An option that should be omited from the documentation */ +#define CFG_CLAUSEFLAG_NODOC 0x00000200 +/*% Clause will be obsolete in a future release (logs a warning) */ +#define CFG_CLAUSEFLAG_DEPRECATED 0x00000400 +/*% Clause has been obsolete so long that it's now a fatal error */ +#define CFG_CLAUSEFLAG_ANCIENT 0x00000800 + +/*% + * Zone types for which a clause is valid: + * These share space with CFG_CLAUSEFLAG values, but count + * down from the top. + */ +#define CFG_ZONE_PRIMARY 0x80000000 +#define CFG_ZONE_SECONDARY 0x40000000 +#define CFG_ZONE_STUB 0x20000000 +#define CFG_ZONE_HINT 0x10000000 +#define CFG_ZONE_FORWARD 0x08000000 +#define CFG_ZONE_STATICSTUB 0x04000000 +#define CFG_ZONE_REDIRECT 0x02000000 +#define CFG_ZONE_DELEGATION 0x01000000 +#define CFG_ZONE_INVIEW 0x00800000 +#define CFG_ZONE_MIRROR 0x00400000 + +typedef struct cfg_clausedef cfg_clausedef_t; +typedef struct cfg_tuplefielddef cfg_tuplefielddef_t; +typedef struct cfg_printer cfg_printer_t; +typedef ISC_LIST(cfg_listelt_t) cfg_list_t; +typedef struct cfg_map cfg_map_t; +typedef struct cfg_rep cfg_rep_t; + +/* + * Function types for configuration object methods + */ + +typedef isc_result_t (*cfg_parsefunc_t)(cfg_parser_t *, const cfg_type_t *type, + cfg_obj_t **); +typedef void (*cfg_printfunc_t)(cfg_printer_t *, const cfg_obj_t *); +typedef void (*cfg_docfunc_t)(cfg_printer_t *, const cfg_type_t *); +typedef void (*cfg_freefunc_t)(cfg_parser_t *, cfg_obj_t *); + +/* + * Structure definitions + */ + +/*% + * A configuration printer object. This is an abstract + * interface to a destination to which text can be printed + * by calling the function 'f'. + */ +struct cfg_printer { + void (*f)(void *closure, const char *text, int textlen); + void *closure; + int indent; + int flags; +}; + +/*% A clause definition. */ +struct cfg_clausedef { + const char *name; + cfg_type_t *type; + unsigned int flags; +}; + +/*% A tuple field definition. */ +struct cfg_tuplefielddef { + const char *name; + cfg_type_t *type; + unsigned int flags; +}; + +/*% A configuration object type definition. */ +struct cfg_type { + const char *name; /*%< For debugging purposes only */ + cfg_parsefunc_t parse; + cfg_printfunc_t print; + cfg_docfunc_t doc; /*%< Print grammar description */ + cfg_rep_t *rep; /*%< Data representation */ + const void *of; /*%< Additional data for meta-types */ +}; + +/*% A keyword-type definition, for things like "port <integer>". */ +typedef struct { + const char *name; + const cfg_type_t *type; +} keyword_type_t; + +struct cfg_map { + cfg_obj_t *id; /*%< Used for 'named maps' like + * keys, zones, &c */ + const cfg_clausedef_t *const *clausesets; /*%< The clauses that + * can occur in this map; + * used for printing */ + isc_symtab_t *symtab; +}; + +typedef struct cfg_netprefix cfg_netprefix_t; + +struct cfg_netprefix { + isc_netaddr_t address; /* IP4/IP6 */ + unsigned int prefixlen; +}; + +/*% + * A configuration data representation. + */ +struct cfg_rep { + const char *name; /*%< For debugging only */ + cfg_freefunc_t free; /*%< How to free this kind of data. */ +}; + +/*% + * A configuration object. This is the main building block + * of the configuration parse tree. + */ + +struct cfg_obj { + const cfg_type_t *type; + union { + uint32_t uint32; + uint64_t uint64; + isc_textregion_t string; /*%< null terminated, too */ + bool boolean; + cfg_map_t map; + cfg_list_t list; + cfg_obj_t **tuple; + isc_sockaddr_t sockaddr; + struct { + isc_sockaddr_t sockaddr; + int32_t dscp; + } sockaddrdscp; + cfg_netprefix_t netprefix; + isccfg_duration_t duration; + } value; + isc_refcount_t references; /*%< reference counter */ + const char *file; + unsigned int line; + cfg_parser_t *pctx; +}; + +/*% A list element. */ +struct cfg_listelt { + cfg_obj_t *obj; + ISC_LINK(cfg_listelt_t) link; +}; + +/*% The parser object. */ +struct cfg_parser { + isc_mem_t *mctx; + isc_log_t *lctx; + isc_lex_t *lexer; + unsigned int errors; + unsigned int warnings; + isc_token_t token; + + /*% We are at the end of all input. */ + bool seen_eof; + + /*% The current token has been pushed back. */ + bool ungotten; + + /*% + * The stack of currently active files, represented + * as a configuration list of configuration strings. + * The head is the top-level file, subsequent elements + * (if any) are the nested include files, and the + * last element is the file currently being parsed. + */ + cfg_obj_t *open_files; + + /*% + * Names of files that we have parsed and closed + * and were previously on the open_file list. + * We keep these objects around after closing + * the files because the file names may still be + * referenced from other configuration objects + * for use in reporting semantic errors after + * parsing is complete. + */ + cfg_obj_t *closed_files; + + /*% + * Name of a buffer being parsed; used only for + * logging. + */ + char const *buf_name; + + /*% + * Current line number. We maintain our own + * copy of this so that it is available even + * when a file has just been closed. + */ + unsigned int line; + + /*% + * Parser context flags, used for maintaining state + * from one token to the next. + */ + unsigned int flags; + + /*%< Reference counter */ + isc_refcount_t references; + + cfg_parsecallback_t callback; + void *callbackarg; +}; + +/* Parser context flags */ +#define CFG_PCTX_SKIP 0x1 +#define CFG_PCTX_NODEPRECATED 0x2 + +/*@{*/ +/*% + * Flags defining whether to accept certain types of network addresses. + */ +#define CFG_ADDR_V4OK 0x00000001 +#define CFG_ADDR_V4PREFIXOK 0x00000002 +#define CFG_ADDR_V6OK 0x00000004 +#define CFG_ADDR_WILDOK 0x00000008 +#define CFG_ADDR_DSCPOK 0x00000010 +#define CFG_ADDR_PORTOK 0x00000020 +#define CFG_ADDR_MASK (CFG_ADDR_V6OK | CFG_ADDR_V4OK) +/*@}*/ + +/*@{*/ +/*% + * Predefined data representation types. + */ +extern cfg_rep_t cfg_rep_uint32; +extern cfg_rep_t cfg_rep_uint64; +extern cfg_rep_t cfg_rep_string; +extern cfg_rep_t cfg_rep_boolean; +extern cfg_rep_t cfg_rep_map; +extern cfg_rep_t cfg_rep_list; +extern cfg_rep_t cfg_rep_tuple; +extern cfg_rep_t cfg_rep_sockaddr; +extern cfg_rep_t cfg_rep_netprefix; +extern cfg_rep_t cfg_rep_void; +extern cfg_rep_t cfg_rep_fixedpoint; +extern cfg_rep_t cfg_rep_percentage; +extern cfg_rep_t cfg_rep_duration; +/*@}*/ + +/*@{*/ +/*% + * Predefined configuration object types. + */ +extern cfg_type_t cfg_type_boolean; +extern cfg_type_t cfg_type_uint32; +extern cfg_type_t cfg_type_uint64; +extern cfg_type_t cfg_type_qstring; +extern cfg_type_t cfg_type_astring; +extern cfg_type_t cfg_type_ustring; +extern cfg_type_t cfg_type_sstring; +extern cfg_type_t cfg_type_bracketed_aml; +extern cfg_type_t cfg_type_bracketed_text; +extern cfg_type_t cfg_type_optional_bracketed_text; +extern cfg_type_t cfg_type_keyref; +extern cfg_type_t cfg_type_sockaddr; +extern cfg_type_t cfg_type_sockaddrdscp; +extern cfg_type_t cfg_type_netaddr; +extern cfg_type_t cfg_type_netaddr4; +extern cfg_type_t cfg_type_netaddr4wild; +extern cfg_type_t cfg_type_netaddr6; +extern cfg_type_t cfg_type_netaddr6wild; +extern cfg_type_t cfg_type_netprefix; +extern cfg_type_t cfg_type_void; +extern cfg_type_t cfg_type_token; +extern cfg_type_t cfg_type_unsupported; +extern cfg_type_t cfg_type_fixedpoint; +extern cfg_type_t cfg_type_percentage; +extern cfg_type_t cfg_type_duration; +extern cfg_type_t cfg_type_duration_or_unlimited; +/*@}*/ + +isc_result_t +cfg_gettoken(cfg_parser_t *pctx, int options); + +isc_result_t +cfg_peektoken(cfg_parser_t *pctx, int options); + +void +cfg_ungettoken(cfg_parser_t *pctx); + +#define CFG_LEXOPT_QSTRING (ISC_LEXOPT_QSTRING | ISC_LEXOPT_QSTRINGMULTILINE) + +isc_result_t +cfg_create_obj(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **objp); + +void +cfg_print_rawuint(cfg_printer_t *pctx, unsigned int u); + +isc_result_t +cfg_parse_uint32(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_uint32(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_print_uint64(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_qstring(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_ustring(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_astring(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +isc_result_t +cfg_parse_sstring(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +isc_result_t +cfg_parse_rawaddr(cfg_parser_t *pctx, unsigned int flags, isc_netaddr_t *na); + +void +cfg_print_rawaddr(cfg_printer_t *pctx, const isc_netaddr_t *na); + +bool +cfg_lookingat_netaddr(cfg_parser_t *pctx, unsigned int flags); + +isc_result_t +cfg_parse_rawport(cfg_parser_t *pctx, unsigned int flags, in_port_t *port); + +isc_result_t +cfg_parse_sockaddr(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +isc_result_t +cfg_parse_boolean(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_sockaddr(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_print_boolean(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_sockaddr(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_netprefix(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +isc_result_t +cfg_parse_special(cfg_parser_t *pctx, int special); +/*%< Parse a required special character 'special'. */ + +isc_result_t +cfg_create_tuple(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **objp); + +isc_result_t +cfg_parse_tuple(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_tuple(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_tuple(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_create_list(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **objp); + +isc_result_t +cfg_parse_listelt(cfg_parser_t *pctx, const cfg_type_t *elttype, + cfg_listelt_t **ret); + +isc_result_t +cfg_parse_bracketed_list(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_bracketed_list(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_bracketed_list(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_spacelist(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_spacelist(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_enum(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_doc_enum(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_enum_or_other(cfg_parser_t *pctx, const cfg_type_t *enumtype, + const cfg_type_t *othertype, cfg_obj_t **ret); + +void +cfg_doc_enum_or_other(cfg_printer_t *pctx, const cfg_type_t *enumtype, + const cfg_type_t *othertype); + +void +cfg_print_chars(cfg_printer_t *pctx, const char *text, int len); +/*%< Print 'len' characters at 'text' */ + +void +cfg_print_cstr(cfg_printer_t *pctx, const char *s); +/*%< Print the null-terminated string 's' */ + +isc_result_t +cfg_parse_map(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +isc_result_t +cfg_parse_named_map(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +isc_result_t +cfg_parse_addressed_map(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +isc_result_t +cfg_parse_netprefix_map(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_map(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_map(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_mapbody(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_mapbody(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_mapbody(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_void(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_void(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_void(cfg_printer_t *pctx, const cfg_type_t *type); + +isc_result_t +cfg_parse_fixedpoint(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_fixedpoint(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_percentage(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_percentage(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_duration(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_duration(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_duration_or_unlimited(cfg_parser_t *pctx, const cfg_type_t *type, + cfg_obj_t **ret); + +void +cfg_print_duration_or_unlimited(cfg_printer_t *pctx, const cfg_obj_t *obj); + +isc_result_t +cfg_parse_obj(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret); + +void +cfg_print_obj(cfg_printer_t *pctx, const cfg_obj_t *obj); + +void +cfg_doc_obj(cfg_printer_t *pctx, const cfg_type_t *type); +/*%< + * Print a description of the grammar of an arbitrary configuration + * type 'type' + */ + +void +cfg_doc_terminal(cfg_printer_t *pctx, const cfg_type_t *type); +/*%< + * Document the type 'type' as a terminal by printing its + * name in angle brackets, e.g., <uint32>. + */ + +void +cfg_parser_error(cfg_parser_t *pctx, unsigned int flags, const char *fmt, ...) + ISC_FORMAT_PRINTF(3, 4); +/*! + * Pass one of these flags to cfg_parser_error() to include the + * token text in log message. + */ +#define CFG_LOG_NEAR 0x00000001 /*%< Say "near <token>" */ +#define CFG_LOG_BEFORE 0x00000002 /*%< Say "before <token>" */ +#define CFG_LOG_NOPREP 0x00000004 /*%< Say just "<token>" */ + +void +cfg_parser_warning(cfg_parser_t *pctx, unsigned int flags, const char *fmt, ...) + ISC_FORMAT_PRINTF(3, 4); + +bool +cfg_is_enum(const char *s, const char *const *enums); +/*%< Return true iff the string 's' is one of the strings in 'enums' */ + +bool +cfg_clause_validforzone(const char *name, unsigned int ztype); +/*%< + * Check whether an option is legal for the specified zone type. + */ + +void +cfg_print_zonegrammar(const unsigned int zonetype, unsigned int flags, + void (*f)(void *closure, const char *text, int textlen), + void *closure); +/*%< + * Print a summary of the grammar of the zone type represented by + * 'zonetype'. + */ + +void +cfg_print_clauseflags(cfg_printer_t *pctx, unsigned int flags); +/*%< + * Print clause flags (e.g. "obsolete", "not implemented", etc) in + * human readable form + */ + +void +cfg_print_indent(cfg_printer_t *pctx); +/*%< + * Print the necessary indent required by the current settings of 'pctx'. + */ diff --git a/lib/isccfg/include/isccfg/kaspconf.h b/lib/isccfg/include/isccfg/kaspconf.h new file mode 100644 index 0000000..7b1e075 --- /dev/null +++ b/lib/isccfg/include/isccfg/kaspconf.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#include <isc/lang.h> + +#include <isccfg/cfg.h> + +/*** + *** Functions + ***/ + +ISC_LANG_BEGINDECLS + +isc_result_t +cfg_kasp_fromconfig(const cfg_obj_t *config, dns_kasp_t *default_kasp, + isc_mem_t *mctx, isc_log_t *logctx, + dns_kasplist_t *kasplist, dns_kasp_t **kaspp); +/*%< + * Create and configure a KASP. If 'default_kasp' is not NULL, the built-in + * default configuration is used to set values that are not explicitly set in + * the policy. If a 'kasplist' is provided, a lookup happens and if a KASP + * already exists with the same name, no new KASP is created, and no attach to + * 'kaspp' happens. + * + * Requires: + * + *\li 'name' is either NULL, or a valid C string. + * + *\li 'mctx' is a valid memory context. + * + *\li 'logctx' is a valid logging context. + * + *\li kaspp != NULL && *kaspp == NULL + * + * Returns: + * + *\li #ISC_R_SUCCESS If creating and configuring the KASP succeeds. + *\li #ISC_R_EXISTS If 'kasplist' already has a kasp structure with 'name'. + *\li #ISC_R_NOMEMORY + * + *\li Other errors are possible. + */ + +ISC_LANG_ENDDECLS diff --git a/lib/isccfg/include/isccfg/log.h b/lib/isccfg/include/isccfg/log.h new file mode 100644 index 0000000..8af3095 --- /dev/null +++ b/lib/isccfg/include/isccfg/log.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +/*! \file isccfg/log.h */ + +#include <isc/lang.h> +#include <isc/log.h> + +extern isc_logcategory_t cfg_categories[]; +extern isc_logmodule_t cfg_modules[]; + +#define CFG_LOGCATEGORY_CONFIG (&cfg_categories[0]) + +#define CFG_LOGMODULE_PARSER (&cfg_modules[0]) + +ISC_LANG_BEGINDECLS + +void +cfg_log_init(isc_log_t *lctx); +/*%< + * Make the libisccfg categories and modules available for use with the + * ISC logging library. + * + * Requires: + *\li lctx is a valid logging context. + * + *\li cfg_log_init() is called only once. + * + * Ensures: + * \li The categories and modules defined above are available for + * use by isc_log_usechannnel() and isc_log_write(). + */ + +ISC_LANG_ENDDECLS diff --git a/lib/isccfg/include/isccfg/namedconf.h b/lib/isccfg/include/isccfg/namedconf.h new file mode 100644 index 0000000..f2d0145 --- /dev/null +++ b/lib/isccfg/include/isccfg/namedconf.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +/*! \file isccfg/namedconf.h + * \brief + * This module defines the named.conf, rndc.conf, and rndc.key grammars. + */ + +#include <isccfg/cfg.h> + +/* + * Configuration object types. + */ +extern cfg_type_t cfg_type_namedconf; +/*%< A complete named.conf file. */ + +extern cfg_type_t cfg_type_bindkeys; +/*%< A bind.keys file. */ + +extern cfg_type_t cfg_type_newzones; +/*%< A new-zones file (for zones added by 'rndc addzone'). */ + +extern cfg_type_t cfg_type_addzoneconf; +/*%< A single zone passed via the addzone rndc command. */ + +extern cfg_type_t cfg_type_rndcconf; +/*%< A complete rndc.conf file. */ + +extern cfg_type_t cfg_type_rndckey; +/*%< A complete rndc.key file. */ + +extern cfg_type_t cfg_type_sessionkey; +/*%< A complete session.key file. */ + +extern cfg_type_t cfg_type_keyref; +/*%< A key reference, used as an ACL element */ + +/*%< Zone options */ +extern cfg_type_t cfg_type_zoneopts; + +/*%< DNSSEC Key and Signing Policy options */ +extern cfg_type_t cfg_type_dnssecpolicyopts; |