#include "config.h"
#include "services/localzone.h"
#include "util/regional.h"
#include "util/config_file.h"
#include "util/data/dname.h"
#include "util/data/packed_rrset.h"
#include "util/data/msgencode.h"
#include "util/net_help.h"
#include "util/data/msgreply.h"
#include "util/data/msgparse.h"
Functions | |
struct local_zones * | local_zones_create () |
Create local zones storage. | |
static void | lzdel (rbnode_t *n, void *arg) |
helper traverse to delete zones | |
void | local_zones_delete (struct local_zones *zones) |
Delete local zones storage. | |
void | local_zone_delete (struct local_zone *z) |
Delete one zone. | |
int | local_zone_cmp (const void *z1, const void *z2) |
Compare two local_zone entries in rbtree. | |
int | local_data_cmp (const void *d1, const void *d2) |
Compare two local_data entries in rbtree. | |
static int | parse_dname (const char *str, uint8_t **res, size_t *len, int *labs) |
form wireformat from text format domain name | |
static struct local_zone * | lz_enter_zone_dname (struct local_zones *zones, uint8_t *nm, size_t len, int labs, enum localzone_type t, uint16_t dclass) |
enter a new zone with allocated dname | |
static struct local_zone * | lz_enter_zone (struct local_zones *zones, const char *name, const char *type, uint16_t dclass) |
enter a new zone | |
static int | get_rr_content (const char *str, uint8_t **nm, uint16_t *type, uint16_t *dclass, uint32_t *ttl, ldns_buffer *rdata) |
return name and class and rdata of rr; parses string | |
static int | get_rr_nameclass (const char *str, uint8_t **nm, uint16_t *dclass) |
return name and class of rr; parses string | |
struct local_rrset * | local_data_find_type (struct local_data *data, uint16_t type) |
Find an rrset in local data structure. | |
static int | rr_is_duplicate (struct packed_rrset_data *pd, ldns_buffer *buf) |
check for RR duplicates | |
static struct local_rrset * | new_local_rrset (struct regional *region, struct local_data *node, uint16_t rrtype, uint16_t rrclass) |
new local_rrset | |
static int | insert_rr (struct regional *region, struct packed_rrset_data *pd, ldns_buffer *buf, uint32_t ttl) |
insert RR into RRset data structure; Wastes a couple of bytes | |
static int | lz_find_create_node (struct local_zone *z, uint8_t *nm, size_t nmlen, int nmlabs, struct local_data **res) |
find a node, create it if not and all its empty nonterminal parents | |
static int | lz_enter_rr_into_zone (struct local_zone *z, ldns_buffer *buf, const char *rrstr) |
enter data RR into auth zone | |
static int | lz_enter_rr_str (struct local_zones *zones, const char *rr, ldns_buffer *buf) |
enter a data RR into auth data; a zone for it must exist | |
static int | lz_enter_zones (struct local_zones *zones, struct config_file *cfg) |
parse local-zone: statements | |
static int | lz_exists (struct local_zones *zones, const char *name) |
lookup a zone in rbtree; exact match only; SLOW due to parse | |
static int | lz_nodefault (struct config_file *cfg, const char *name) |
lookup a zone in cfg->nodefault list | |
static int | add_as112_default (struct local_zones *zones, struct config_file *cfg, ldns_buffer *buf, char *name) |
enter AS112 default zone | |
static int | lz_enter_defaults (struct local_zones *zones, struct config_file *cfg, ldns_buffer *buf) |
enter default zones | |
static void | init_parents (struct local_zones *zones) |
setup parent pointers, so that a lookup can be done for closest match | |
static int | lz_setup_implicit (struct local_zones *zones, struct config_file *cfg) |
enter implicit transparent zone for local-data: without local-zone: | |
static int | lz_enter_data (struct local_zones *zones, struct config_file *cfg, ldns_buffer *buf) |
enter auth data | |
static void | lz_freeup_cfg (struct config_file *cfg) |
free memory from config | |
int | local_zones_apply_cfg (struct local_zones *zones, struct config_file *cfg) |
Apply config settings; setup the local authoritative data. | |
struct local_zone * | local_zones_lookup (struct local_zones *zones, uint8_t *name, size_t len, int labs, uint16_t dclass) |
Lookup zone that contains the given name, class. | |
static void | local_zone_out (struct local_zone *z) |
print all RRsets in local zone | |
void | local_zones_print (struct local_zones *zones) |
Debug helper. | |
static int | local_encode (struct query_info *qinfo, struct edns_data *edns, ldns_buffer *buf, struct regional *temp, struct ub_packed_rrset_key *rrset, int ansec, int rcode) |
encode answer consisting of 1 rrset | |
static int | local_data_answer (struct local_zone *z, struct query_info *qinfo, struct edns_data *edns, ldns_buffer *buf, struct regional *temp, int labs, struct local_data **ldp) |
answer local data match | |
static int | lz_zone_answer (struct local_zone *z, struct query_info *qinfo, struct edns_data *edns, ldns_buffer *buf, struct regional *temp, struct local_data *ld) |
answer in case where no exact match is found | |
int | local_zones_answer (struct local_zones *zones, struct query_info *qinfo, struct edns_data *edns, ldns_buffer *buf, struct regional *temp) |
Answer authoritatively for local zones. |
struct local_zones* local_zones_create | ( | ) | [read] |
Create local zones storage.
References local_zone_cmp(), rbtree_init(), and local_zones::ztree.
Referenced by context_finalize(), daemon_fork(), and localzonechecks().
void local_zones_delete | ( | struct local_zones * | zones | ) |
Delete local zones storage.
zones,: | to delete. |
References lzdel(), traverse_postorder(), and local_zones::ztree.
Referenced by daemon_cleanup(), localzonechecks(), and ub_ctx_delete().
void local_zone_delete | ( | struct local_zone * | z | ) |
Delete one zone.
z,: | to delete. |
References local_zone::name, local_zone::region, and regional_destroy().
Referenced by lz_enter_zone_dname(), and lzdel().
int local_zone_cmp | ( | const void * | z1, | |
const void * | z2 | |||
) |
Compare two local_zone entries in rbtree.
Sort hierarchical but not canonical
z1,: | zone 1 | |
z2,: | zone 2 |
References local_zone::dclass, dname_lab_cmp(), local_zone::name, and local_zone::namelabs.
Referenced by fptr_whitelist_rbtree_cmp(), and local_zones_create().
int local_data_cmp | ( | const void * | d1, | |
const void * | d2 | |||
) |
Compare two local_data entries in rbtree.
Sort canonical.
d1,: | data 1 | |
d2,: | data 2 |
References dname_canon_lab_cmp(), local_data::name, and local_data::namelabs.
Referenced by fptr_whitelist_rbtree_cmp(), and lz_enter_zone_dname().
struct local_rrset* local_data_find_type | ( | struct local_data * | data, | |
uint16_t | type | |||
) | [read] |
Find an rrset in local data structure.
data,: | local data domain name structure. | |
type,: | type to look for (host order). |
References local_rrset::next, ub_packed_rrset_key::rk, local_rrset::rrset, local_data::rrsets, and packed_rrset_key::type.
Referenced by local_data_answer(), and lz_enter_rr_into_zone().
int local_zones_apply_cfg | ( | struct local_zones * | zones, | |
struct config_file * | cfg | |||
) |
Apply config settings; setup the local authoritative data.
zones,: | is set up. | |
cfg,: | config data. |
References fatal_exit(), init_parents(), lz_enter_data(), lz_enter_defaults(), lz_enter_zones(), lz_freeup_cfg(), and lz_setup_implicit().
Referenced by context_finalize(), daemon_fork(), and localzonechecks().
struct local_zone* local_zones_lookup | ( | struct local_zones * | zones, | |
uint8_t * | name, | |||
size_t | len, | |||
int | labs, | |||
uint16_t | dclass | |||
) | [read] |
Lookup zone that contains the given name, class.
zones,: | the zones tree | |
name,: | dname to lookup | |
len,: | length of name. | |
labs,: | labelcount of name. | |
dclass,: | class to lookup. |
References local_zone::dclass, dname_lab_cmp(), rbnode_t::key, local_zone::name, local_zone::namelabs, local_zone::namelen, local_zone::node, local_zone::parent, rbtree_find_less_equal(), and local_zones::ztree.
Referenced by local_zones_answer(), lz_enter_rr_str(), and lz_setup_implicit().
void local_zones_print | ( | struct local_zones * | zones | ) |
Debug helper.
Print all zones
zones,: | the zones tree |
References rbtree_t::count, local_zone::dclass, local_zone_deny, local_zone_out(), local_zone_redirect, local_zone_refuse, local_zone_static, local_zone_transparent, log_info(), log_nametypeclass(), local_zone::name, RBTREE_FOR, local_zone::type, and local_zones::ztree.
static int lz_zone_answer | ( | struct local_zone * | z, | |
struct query_info * | qinfo, | |||
struct edns_data * | edns, | |||
ldns_buffer * | buf, | |||
struct regional * | temp, | |||
struct local_data * | ld | |||
) | [static] |
answer in case where no exact match is found
z,: | zone for query | |
qinfo,: | query | |
edns,: | edns from query | |
buf,: | buffer for answer. | |
temp,: | temp region for encoding | |
ld,: | local data, if NULL, no such name exists in localdata. |
no reply at all, signal caller by clearing buffer.
References BIT_AA, error_encode(), local_encode(), local_zone_deny, local_zone_redirect, local_zone_refuse, local_zone_static, local_zone::soa, and local_zone::type.
Referenced by local_zones_answer().
int local_zones_answer | ( | struct local_zones * | zones, | |
struct query_info * | qinfo, | |||
struct edns_data * | edns, | |||
ldns_buffer * | buf, | |||
struct regional * | temp | |||
) |
Answer authoritatively for local zones.
zones,: | the stored zones (shared, read only). | |
qinfo,: | query info (parsed). | |
edns,: | edns info (parsed). | |
buf,: | buffer with query ID and flags, also for reply. | |
temp,: | temporary storage region. |
References dname_count_labels(), local_data_answer(), local_zones_lookup(), lz_zone_answer(), query_info::qclass, query_info::qname, and query_info::qname_len.
Referenced by handle_newq(), libworker_fg(), and worker_handle_request().