diff options
Diffstat (limited to '')
| -rw-r--r-- | external/unbound/util/data/msgparse.h | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/external/unbound/util/data/msgparse.h b/external/unbound/util/data/msgparse.h index 44497c8ca..e21f8504e 100644 --- a/external/unbound/util/data/msgparse.h +++ b/external/unbound/util/data/msgparse.h @@ -69,6 +69,7 @@ struct sldns_buffer; struct rrset_parse; struct rr_parse; struct regional; +struct edns_option; /** number of buckets in parse rrset hash table. Must be power of 2. */ #define PARSE_TABLE_SIZE 32 @@ -137,7 +138,7 @@ struct rrset_parse { /** next in list of all rrsets */ struct rrset_parse* rrset_all_next; /** hash value of rrset */ - hashvalue_t hash; + hashvalue_type hash; /** which section was it found in: one of * LDNS_SECTION_ANSWER, LDNS_SECTION_AUTHORITY, LDNS_SECTION_ADDITIONAL */ @@ -202,7 +203,8 @@ struct rr_parse { /** * EDNS data storage - * EDNS rdata is ignored. + * rdata is parsed in a list (has accessor functions). allocated in a + * region. */ struct edns_data { /** if EDNS OPT record was present */ @@ -215,6 +217,22 @@ struct edns_data { uint16_t bits; /** UDP reassembly size. */ uint16_t udp_size; + /** rdata element list, or NULL if none */ + struct edns_option* opt_list; +}; + +/** + * EDNS option + */ +struct edns_option { + /** next item in list */ + struct edns_option* next; + /** type of this edns option */ + uint16_t opt_code; + /** length of this edns option (cannot exceed uint16 in encoding) */ + size_t opt_len; + /** data of this edns option; allocated in region, or NULL if len=0 */ + uint8_t* opt_data; }; /** @@ -249,10 +267,12 @@ int parse_packet(struct sldns_buffer* pkt, struct msg_parse* msg, * @param msg: parsed message structure. Modified on exit, if EDNS was present * it is removed from the additional section. * @param edns: the edns data is stored here. Does not have to be initialised. + * @param region: region to alloc results in (edns option contents) * @return: 0 on success. or an RCODE on an error. * RCODE formerr if OPT in wrong section, and so on. */ -int parse_extract_edns(struct msg_parse* msg, struct edns_data* edns); +int parse_extract_edns(struct msg_parse* msg, struct edns_data* edns, + struct regional* region); /** * If EDNS data follows a query section, extract it and initialize edns struct. @@ -260,10 +280,12 @@ int parse_extract_edns(struct msg_parse* msg, struct edns_data* edns); * section. At end, right after EDNS data or no movement if failed. * @param edns: the edns data allocated by the caller. Does not have to be * initialised. + * @param region: region to alloc results in (edns option contents) * @return: 0 on success, or an RCODE on error. * RCODE formerr if OPT is badly formatted and so on. */ -int parse_edns_from_pkt(struct sldns_buffer* pkt, struct edns_data* edns); +int parse_edns_from_pkt(struct sldns_buffer* pkt, struct edns_data* edns, + struct regional* region); /** * Calculate hash value for rrset in packet. @@ -274,8 +296,8 @@ int parse_edns_from_pkt(struct sldns_buffer* pkt, struct edns_data* edns); * @param rrset_flags: rrset flags (same as packed_rrset flags). * @return hash value */ -hashvalue_t pkt_hash_rrset(struct sldns_buffer* pkt, uint8_t* dname, uint16_t type, - uint16_t dclass, uint32_t rrset_flags); +hashvalue_type pkt_hash_rrset(struct sldns_buffer* pkt, uint8_t* dname, + uint16_t type, uint16_t dclass, uint32_t rrset_flags); /** * Lookup in msg hashtable to find a rrset. @@ -290,7 +312,7 @@ hashvalue_t pkt_hash_rrset(struct sldns_buffer* pkt, uint8_t* dname, uint16_t ty * @return NULL or the rrset_parse if found. */ struct rrset_parse* msgparse_hashtable_lookup(struct msg_parse* msg, - struct sldns_buffer* pkt, hashvalue_t h, uint32_t rrset_flags, + struct sldns_buffer* pkt, hashvalue_type h, uint32_t rrset_flags, uint8_t* dname, size_t dnamelen, uint16_t type, uint16_t dclass); /** @@ -300,4 +322,13 @@ struct rrset_parse* msgparse_hashtable_lookup(struct msg_parse* msg, */ void msgparse_bucket_remove(struct msg_parse* msg, struct rrset_parse* rrset); +/** + * Log the edns options in the edns option list. + * @param level: the verbosity level. + * @param info_str: the informational string to be printed before the options. + * @param list: the edns option list. + */ +void log_edns_opt_list(enum verbosity_value level, const char* info_str, + struct edns_option* list); + #endif /* UTIL_DATA_MSGPARSE_H */ |