query.c File Reference

#include "config.h"
#include "daemon/dnshandler.h"
#include "daemon/engine.h"
#include "file.h"
#include "util.h"
#include "wire/axfr.h"
#include "wire/query.h"

Go to the source code of this file.

Functions
query_type *	query_create (void)
void	query_reset (query_type *q, size_t maxlen, int is_tcp)
void	query_prepare (query_type *q)
query_state	query_process (query_type *q, engine_type *engine)
void	query_add_optional (query_type *q, engine_type *engine)
int	query_add_rr (query_type *q, ldns_rr *rr)
void	query_cleanup (query_type *q)

Variables
const char *	query_str = "query"

Function Documentation

query_add_optional()

void query_add_optional	(	query_type *	q,
		engine_type *	engine )

Add optional RRs to query.

First EDNS

Then TSIG

Definition at line 962 of file query.c.

References query_struct::buffer, buffer_pkt_arcount(), buffer_pkt_set_arcount(), buffer_position(), buffer_write(), edns_rr_struct::dnssec_ok, EDNS_ERROR, EDNS_NOT_PRESENT, EDNS_OK, query_struct::edns_rr, edns_data_struct::error, tsig_rr_struct::error_code, edns_data_struct::ok, OPT_LEN, OPT_RDATA, query_str, edns_data_struct::rdata_none, edns_rr_struct::status, tsig_rr_struct::status, TSIG_ERROR, TSIG_NOT_PRESENT, TSIG_OK, query_struct::tsig_prepare_it, query_struct::tsig_rr, tsig_rr_append(), tsig_rr_error(), tsig_rr_prepare(), tsig_rr_sign(), tsig_rr_update(), query_struct::tsig_sign_it, and query_struct::tsig_update_it.

Referenced by sock_handle_tcp_read(), sock_handle_tcp_write(), and sock_handle_udp().

query_add_rr()

int query_add_rr	(	query_type *	q,
		ldns_rr *	rr )

Add RR to query.

Definition at line 1041 of file query.c.

References query_struct::buffer, buffer_available(), buffer_position(), buffer_set_position(), buffer_skip(), buffer_write_rdf(), buffer_write_u16(), buffer_write_u16_at(), and buffer_write_u32().

Referenced by axfr(), ixfr(), and soa_request().

query_cleanup()

void query_cleanup

(

query_type *

q

)

Cleanup query.

Definition at line 1098 of file query.c.

References query_struct::axfr_fd, query_struct::buffer, buffer_cleanup(), query_struct::edns_rr, edns_rr_cleanup(), query_struct::tsig_rr, and tsig_rr_cleanup().

Referenced by dnshandler_cleanup(), query_create(), and sock_handle_tcp_accept().

query_create()

query_type * query_create

(

void

)

Create query.

Definition at line 48 of file query.c.

References query_struct::axfr_fd, query_struct::buffer, buffer_create(), query_struct::edns_rr, edns_rr_create(), PACKET_BUFFER_SIZE, query_cleanup(), query_reset(), query_struct::tsig_rr, tsig_rr_create(), and UDP_MAX_MESSAGE_LEN.

Referenced by dnshandler_create(), and sock_handle_tcp_accept().

query_prepare()

void query_prepare

(

query_type *

q

)

Prepare response.

Definition at line 612 of file query.c.

References query_struct::buffer, buffer_capacity(), buffer_clear(), buffer_limit(), buffer_pkt_flags(), buffer_pkt_set_flags(), buffer_set_limit(), buffer_set_position(), query_struct::edns_rr, edns_rr_reserved_space(), query_struct::reserved_space, query_struct::tsig_rr, and tsig_rr_reserved_space().

Referenced by axfr(), and ixfr().

query_process()

query_state query_process	(	query_type *	q,
		engine_type *	engine )

Process query.

Definition at line 842 of file query.c.

References query_struct::buffer, buffer_current(), buffer_limit(), BUFFER_PKT_HEADER_SIZE, buffer_pkt_qr(), buffer_remaining(), zone_struct::name, QUERY_DISCARDED, QUERY_PROCESSED, query_str, tsig_rr_struct::status, query_struct::tsig_rr, tsig_status2str(), zone_struct::zl_status, query_struct::zone, ZONE_ZL_ADDED, and zonelist_lookup_zone_by_dname().

Referenced by sock_handle_tcp_read(), and sock_handle_udp().

query_reset()

void query_reset	(	query_type *	q,
		size_t	maxlen,
		int	is_tcp )

Reset query.

Definition at line 80 of file query.c.

References query_struct::addr, query_struct::addrlen, query_struct::axfr_fd, query_struct::axfr_is_done, query_struct::buffer, buffer_clear(), query_struct::edns_rr, edns_rr_reset(), query_struct::maxlen, query_struct::reserved_space, query_struct::serial, query_struct::startpos, query_struct::tcp, query_struct::tsig_prepare_it, query_struct::tsig_rr, tsig_rr_reset(), query_struct::tsig_sign_it, query_struct::tsig_update_it, and query_struct::zone.

Referenced by query_create(), sock_handle_tcp_read(), and sock_handle_udp().

Variable Documentation

query_str

const char* query_str = "query"

Query.

Definition at line 40 of file query.c.

Referenced by query_add_optional(), and query_process().