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unbound 0.1
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This file contains functions to assist the iterator module. More...
#include "config.h"#include "iterator/iter_priv.h"#include "util/regional.h"#include "util/log.h"#include "util/config_file.h"#include "util/data/dname.h"#include "util/data/msgparse.h"#include "util/net_help.h"#include "util/storage/dnstree.h"#include "sldns/str2wire.h"#include "sldns/sbuffer.h"Functions | |
| struct iter_priv * | priv_create (void) |
| Create priv structure. | |
| void | priv_delete (struct iter_priv *priv) |
| Delete priv structure. | |
| static int | read_addrs (struct iter_priv *priv, struct config_file *cfg) |
| Read private-addr declarations from config. | |
| static int | read_names (struct iter_priv *priv, struct config_file *cfg) |
| Read private-domain declarations from config. | |
| int | priv_apply_cfg (struct iter_priv *priv, struct config_file *cfg) |
| Process priv config. | |
| static int | priv_lookup_addr (struct iter_priv *priv, struct sockaddr_storage *addr, socklen_t addrlen) |
| See if an address is blocked. | |
| static int | priv_lookup_name (struct iter_priv *priv, sldns_buffer *pkt, uint8_t *name, size_t name_len, uint16_t dclass) |
| See if a name is whitelisted. | |
| size_t | priv_get_mem (struct iter_priv *priv) |
| Get memory used by priv structure. | |
| int | priv_rrset_bad (struct iter_priv *priv, sldns_buffer *pkt, struct rrset_parse *rrset) |
| See if rrset is bad. | |
This file contains functions to assist the iterator module.
Keep track of the private addresses and lookup fast.
| struct iter_priv * priv_create | ( | void | ) |
Create priv structure.
References iter_priv::a, addr_tree_init(), iter_priv::n, name_tree_init(), priv_delete(), iter_priv::region, and regional_create().
Referenced by iter_apply_cfg().
| void priv_delete | ( | struct iter_priv * | priv | ) |
Delete priv structure.
| priv | to delete. |
References iter_priv::region, and regional_destroy().
Referenced by iter_deinit(), and priv_create().
| int priv_apply_cfg | ( | struct iter_priv * | priv, |
| struct config_file * | cfg ) |
Process priv config.
| priv | where to store. |
| cfg | config options. |
References iter_priv::a, addr_tree_init(), addr_tree_init_parents(), iter_priv::n, name_tree_init(), name_tree_init_parents(), read_addrs(), read_names(), iter_priv::region, and regional_free_all().
Referenced by iter_apply_cfg().
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See if an address is blocked.
| priv | structure for address storage. |
| addr | address to check |
| addrlen | length of addr. |
References iter_priv::a, and addr_tree_lookup().
Referenced by priv_rrset_bad().
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See if a name is whitelisted.
| priv | structure for address storage. |
| pkt | the packet (for compression ptrs). |
| name | name to check. |
| name_len | uncompressed length of the name to check. |
| dclass | class to check. |
References name_tree_node::dclass, dname_count_size_labels(), dname_pkt_copy(), name_tree_node::labs, name_tree_node::len, log_assert, iter_priv::n, name_tree_node::name, and name_tree_lookup().
Referenced by priv_rrset_bad().
| size_t priv_get_mem | ( | struct iter_priv * | priv | ) |
Get memory used by priv structure.
| priv | structure for address storage. |
References iter_priv::region, and regional_get_mem().
Referenced by iter_get_mem().
| int priv_rrset_bad | ( | struct iter_priv * | priv, |
| struct sldns_buffer * | pkt, | ||
| struct rrset_parse * | rrset ) |
See if rrset is bad.
Will remove individual RRs that are bad (if possible) to sanitize the RRset without removing it completely.
| priv | structure for private address storage. |
| pkt | packet to decompress rrset name in. |
| rrset | the rrset to examine, A or AAAA. |
References iter_priv::a, rbtree_type::count, rrset_parse::dname, rrset_parse::dname_len, INET6_SIZE, INET_SIZE, LDNS_RR_TYPE_A, LDNS_RR_TYPE_AAAA, name_tree_node::len, msgparse_rrset_remove_rr(), rr_parse::next, priv_lookup_addr(), priv_lookup_name(), rrset_parse::rr_first, rrset_parse::rrset_class, rr_parse::ttl_data, and rrset_parse::type.
Referenced by scrub_sanitize().