axfr.c
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/*
* Copyright (c) 2011 NLNet Labs. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "config.h"
#include "adapter/addns.h"
#include "adapter/adutil.h"
#include "file.h"
#include "util.h"
#include "wire/axfr.h"
#include "wire/buffer.h"
#include "wire/edns.h"
#include "wire/query.h"
#include "wire/sock.h"
#define AXFR_TSIG_SIGN_EVERY_NTH 96 /* tsig sign every N packets. */
const char* axfr_str = "axfr";
query_state
soa_request(query_type* q, engine_type* engine)
{
char* xfrfile = NULL;
ldns_rr* rr = NULL;
ldns_rdf* prev = NULL;
ldns_rdf* orig = NULL;
uint32_t ttl = 0;
time_t expire = 0;
ldns_status status = LDNS_STATUS_OK;
char line[SE_ADFILE_MAXLINE];
unsigned l = 0;
FILE* fd = NULL;
ods_log_assert(q);
ods_log_assert(q->buffer);
ods_log_assert(q->zone);
ods_log_assert(q->zone->name);
ods_log_assert(engine);
xfrfile = ods_build_path(q->zone->name, ".axfr", 0, 1);
if (xfrfile) {
fd = ods_fopen(xfrfile, NULL, "r");
}
if (!fd) {
ods_log_error("[%s] unable to open file %s for zone %s",
axfr_str, xfrfile, q->zone->name);
free((void*)xfrfile);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
free((void*)xfrfile);
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1; /* sign first packet in stream */
}
/* compression? */
/* add SOA RR */
rr = addns_read_rr(fd, line, &orig, &prev, &ttl, &status, &l);
if (!rr) {
/* no SOA no transfer */
ods_log_error("[%s] bad axfr zone %s, corrupted file", axfr_str,
q->zone->name);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(fd);
return QUERY_PROCESSED;
}
/* first RR must be SOA */
if (ldns_rr_get_type(rr) != LDNS_RR_TYPE_SOA) {
ods_log_error("[%s] bad axfr zone %s, first rr is not soa",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(fd);
return QUERY_PROCESSED;
}
/* zone not expired? */
if (q->zone->xfrd) {
expire = q->zone->xfrd->serial_xfr_acquired;
expire += ldns_rdf2native_int32(ldns_rr_rdf(rr, SE_SOA_RDATA_EXPIRE));
if (expire < time_now()) {
ods_log_warning("[%s] zone %s expired at %lld, and it is now %lld: "
"not serving soa", axfr_str, q->zone->name, (long long)expire, (long long)time_now());
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(fd);
return QUERY_PROCESSED;
}
}
/* does it fit? */
if (query_add_rr(q, rr)) {
ods_log_debug("[%s] set soa in response %s", axfr_str,
q->zone->name);
buffer_pkt_set_ancount(q->buffer, buffer_pkt_ancount(q->buffer)+1);
ldns_rr_free(rr);
rr = NULL;
} else {
ods_log_error("[%s] soa does not fit in response %s",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(fd);
return QUERY_PROCESSED;
}
ods_fclose(fd);
buffer_pkt_set_ancount(q->buffer, 1);
buffer_pkt_set_nscount(q->buffer, 0);
buffer_pkt_set_arcount(q->buffer, 0);
buffer_pkt_set_aa(q->buffer);
/* check if it needs TSIG signatures */
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1;
}
return QUERY_PROCESSED;
}
query_state
axfr(query_type* q, engine_type* engine, int fallback)
{
char* xfrfile = NULL;
ldns_rr* rr = NULL;
ldns_rdf* prev = NULL;
ldns_rdf* orig = NULL;
uint16_t total_added = 0;
uint32_t ttl = 0;
time_t expire = 0;
ldns_status status = LDNS_STATUS_OK;
char line[SE_ADFILE_MAXLINE];
unsigned l = 0;
long fpos = 0;
size_t bufpos = 0;
ods_log_assert(q);
ods_log_assert(q->buffer);
ods_log_assert(q->zone);
ods_log_assert(q->zone->name);
ods_log_assert(engine);
if (q->axfr_is_done) {
ods_log_debug("[%s] zone transfer %s completed", axfr_str,
q->zone->name);
return QUERY_PROCESSED;
}
if (q->maxlen > AXFR_MAX_MESSAGE_LEN) {
q->maxlen = AXFR_MAX_MESSAGE_LEN;
}
/* prepare TSIG */
if (!fallback) {
q->tsig_prepare_it = 0;
q->tsig_update_it = 1;
if (q->tsig_sign_it) {
q->tsig_prepare_it = 1;
q->tsig_sign_it = 0;
}
}
ods_log_assert(q->tsig_rr);
if (q->axfr_fd == NULL) {
/* start AXFR */
xfrfile = ods_build_path(q->zone->name, ".axfr", 0, 1);
if (xfrfile) {
q->axfr_fd = ods_fopen(xfrfile, NULL, "r");
}
if (!q->axfr_fd) {
ods_log_error("[%s] unable to open axfr file %s for zone %s",
axfr_str, xfrfile, q->zone->name);
free((void*)xfrfile);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
free((void*)xfrfile);
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1; /* sign first packet in stream */
}
/* compression? */
/* add SOA RR */
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read axfr for zone %s: "
"ftell() failed (%s)", axfr_str, q->zone->name,
strerror(errno));
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
rr = addns_read_rr(q->axfr_fd, line, &orig, &prev, &ttl, &status,
&l);
if (!rr) {
/* no SOA no transfer */
ods_log_error("[%s] bad axfr zone %s, corrupted file",
axfr_str, q->zone->name);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
/* first RR must be SOA */
if (ldns_rr_get_type(rr) != LDNS_RR_TYPE_SOA) {
ods_log_error("[%s] bad axfr zone %s, first rr is not soa",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
/* zone not expired? */
if (q->zone->xfrd) {
expire = q->zone->xfrd->serial_xfr_acquired;
expire += ldns_rdf2native_int32(ldns_rr_rdf(rr, SE_SOA_RDATA_EXPIRE));
if (expire < time_now()) {
ods_log_warning("[%s] zone %s expired, not transferring zone",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
}
/* does it fit? */
if (query_add_rr(q, rr)) {
ods_log_debug("[%s] set soa in axfr zone %s", axfr_str,
q->zone->name);
buffer_pkt_set_ancount(q->buffer, buffer_pkt_ancount(q->buffer)+1);
total_added++;
ldns_rr_free(rr);
rr = NULL;
bufpos = buffer_position(q->buffer);
} else {
ods_log_error("[%s] soa does not fit in axfr zone %s",
axfr_str, q->zone->name);
ldns_rr_free(rr);
rr = NULL;
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
} else if (q->tcp) {
/* subsequent AXFR packets */
ods_log_debug("[%s] subsequent axfr packet zone %s", axfr_str,
q->zone->name);
q->edns_rr->status = EDNS_NOT_PRESENT;
buffer_set_limit(q->buffer, BUFFER_PKT_HEADER_SIZE);
buffer_pkt_set_qdcount(q->buffer, 0);
query_prepare(q);
}
/* add as many records as fit */
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read axfr for zone %s: "
"ftell() failed (%s)", axfr_str, q->zone->name,
strerror(errno));
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
while ((rr = addns_read_rr(q->axfr_fd, line, &orig, &prev, &ttl,
&status, &l)) != NULL) {
ods_log_deeebug("[%s] read rr at line %d", axfr_str, l);
if (status != LDNS_STATUS_OK) {
ldns_rr_free(rr);
rr = NULL;
ods_log_error("[%s] error reading rr at line %i (%s): %s",
axfr_str, l, ldns_get_errorstr_by_id(status), line);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
/* does it fit? */
if (query_add_rr(q, rr)) {
ods_log_deeebug("[%s] add rr at line %d", axfr_str, l);
ldns_rr_free(rr);
rr = NULL;
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read axfr for zone %s: "
"ftell() failed (%s)", axfr_str, q->zone->name,
strerror(errno));
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
buffer_pkt_set_ancount(q->buffer, buffer_pkt_ancount(q->buffer)+1);
total_added++;
} else {
ods_log_deeebug("[%s] rr at line %d does not fit", axfr_str, l);
ldns_rr_free(rr);
rr = NULL;
if (fseek(q->axfr_fd, fpos, SEEK_SET) != 0) {
ods_log_error("[%s] unable to reset file position in axfr "
"file: fseek() failed (%s)", axfr_str, strerror(errno));
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
} else if (q->tcp) {
goto return_axfr;
} else {
goto udp_overflow;
}
}
}
ods_log_debug("[%s] axfr zone %s is done", axfr_str, q->zone->name);
q->tsig_sign_it = 1; /* sign last packet */
q->axfr_is_done = 1;
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return_axfr:
if (q->tcp) {
ods_log_debug("[%s] return part axfr zone %s", axfr_str,
q->zone->name);
buffer_pkt_set_aa(q->buffer);
buffer_pkt_set_ancount(q->buffer, total_added);
buffer_pkt_set_nscount(q->buffer, 0);
buffer_pkt_set_arcount(q->buffer, 0);
/* check if it needs TSIG signatures */
if (q->tsig_rr->status == TSIG_OK) {
if (q->tsig_rr->update_since_last_prepare >=
AXFR_TSIG_SIGN_EVERY_NTH) {
q->tsig_sign_it = 1;
}
}
return QUERY_AXFR;
}
ods_log_error("[%s] zone transfer %s not tcp", axfr_str,
q->zone->name);
udp_overflow:
/* UDP Overflow */
ods_log_info("[%s] axfr udp overflow zone %s", axfr_str, q->zone->name);
buffer_set_position(q->buffer, bufpos);
buffer_pkt_set_aa(q->buffer);
buffer_pkt_set_ancount(q->buffer, 1);
buffer_pkt_set_nscount(q->buffer, 0);
buffer_pkt_set_arcount(q->buffer, 0);
/* check if it needs TSIG signatures */
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1;
}
ods_log_debug("[%s] zone transfer %s udp overflow", axfr_str,
q->zone->name);
return QUERY_PROCESSED;
}
query_state
ixfr(query_type* q, engine_type* engine)
{
char* xfrfile = NULL;
ldns_rr* rr = NULL;
ldns_rdf* prev = NULL;
ldns_rdf* orig = NULL;
uint16_t total_added = 0;
uint32_t ttl = 0;
time_t expire = 0;
ldns_status status = LDNS_STATUS_OK;
char line[SE_ADFILE_MAXLINE];
unsigned l = 0;
long fpos = 0;
size_t bufpos = 0;
uint32_t new_serial = 0;
unsigned del_mode = 0;
unsigned soa_found = 0;
ods_log_assert(engine);
ods_log_assert(q);
ods_log_assert(q->buffer);
ods_log_assert(q->zone);
ods_log_assert(q->zone->name);
if (q->axfr_is_done) {
return QUERY_PROCESSED;
}
if (q->maxlen > AXFR_MAX_MESSAGE_LEN) {
q->maxlen = AXFR_MAX_MESSAGE_LEN;
}
/* prepare TSIG */
q->tsig_prepare_it = 0;
q->tsig_update_it = 1;
if (q->tsig_sign_it) {
q->tsig_prepare_it = 1;
q->tsig_sign_it = 0;
}
ods_log_assert(q->tsig_rr);
if (q->axfr_fd == NULL) {
/* start IXFR */
xfrfile = ods_build_path(q->zone->name, ".ixfr", 0, 1);
if (xfrfile) {
q->axfr_fd = ods_fopen(xfrfile, NULL, "r");
}
if (!q->axfr_fd) {
ods_log_error("[%s] unable to open ixfr file %s for zone %s",
axfr_str, xfrfile, q->zone->name);
ods_log_info("[%s] axfr fallback zone %s", axfr_str,
q->zone->name);
free((void*)xfrfile);
buffer_set_position(q->buffer, q->startpos);
return axfr(q, engine, 1);
}
free((void*)xfrfile);
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1; /* sign first packet in stream */
}
/* compression? */
/* add SOA RR */
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read ixfr for zone %s: ftell() "
"failed (%s)", axfr_str, q->zone->name, strerror(errno));
ods_log_info("[%s] axfr fallback zone %s", axfr_str,
q->zone->name);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
buffer_set_position(q->buffer, q->startpos);
return axfr(q, engine, 1);
}
rr = addns_read_rr(q->axfr_fd, line, &orig, &prev, &ttl, &status,
&l);
if (!rr) {
/* no SOA no transfer */
ods_log_error("[%s] bad ixfr zone %s, corrupted file",
axfr_str, q->zone->name);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
/* first RR must be SOA */
if (ldns_rr_get_type(rr) != LDNS_RR_TYPE_SOA) {
ods_log_error("[%s] bad ixfr zone %s, first rr is not soa",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
/* zone not expired? */
if (q->zone->xfrd) {
expire = q->zone->xfrd->serial_xfr_acquired;
expire += ldns_rdf2native_int32(ldns_rr_rdf(rr, SE_SOA_RDATA_EXPIRE));
if (expire < time_now()) {
ods_log_warning("[%s] zone %s expired, not transferring zone",
axfr_str, q->zone->name);
ldns_rr_free(rr);
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return QUERY_PROCESSED;
}
}
/* newest serial */
new_serial = ldns_rdf2native_int32(
ldns_rr_rdf(rr, SE_SOA_RDATA_SERIAL));
/* does it fit? */
buffer_set_position(q->buffer, q->startpos);
if (query_add_rr(q, rr)) {
ods_log_debug("[%s] set soa in ixfr zone %s", axfr_str,
q->zone->name);
buffer_pkt_set_ancount(q->buffer, buffer_pkt_ancount(q->buffer)+1);
total_added++;
ldns_rr_free(rr);
rr = NULL;
bufpos = buffer_position(q->buffer);
} else {
ods_log_error("[%s] soa does not fit in ixfr zone %s",
axfr_str, q->zone->name);
ldns_rr_free(rr);
rr = NULL;
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
}
if (util_serial_gt(q->serial, new_serial)) {
goto axfr_fallback;
}
} else if (q->tcp) {
/* subsequent IXFR packets */
ods_log_debug("[%s] subsequent ixfr packet zone %s", axfr_str,
q->zone->name);
buffer_set_limit(q->buffer, BUFFER_PKT_HEADER_SIZE);
buffer_pkt_set_qdcount(q->buffer, 0);
query_prepare(q);
soa_found = 1;
}
/* add as many records as fit */
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read ixfr for zone %s: ftell() failed "
"(%s)", axfr_str, q->zone->name, strerror(errno));
ods_log_info("[%s] axfr fallback zone %s", axfr_str,
q->zone->name);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
buffer_set_position(q->buffer, q->startpos);
return axfr(q, engine, 1);
}
while ((rr = addns_read_rr(q->axfr_fd, line, &orig, &prev, &ttl,
&status, &l)) != NULL) {
ods_log_deeebug("[%s] read rr at line %d", axfr_str, l);
if (status != LDNS_STATUS_OK) {
ldns_rr_free(rr);
rr = NULL;
ods_log_error("[%s] error reading rr at line %i (%s): %s",
axfr_str, l, ldns_get_errorstr_by_id(status), line);
goto axfr_fallback;
}
if (ldns_rr_get_type(rr) == LDNS_RR_TYPE_SOA) {
del_mode = !del_mode;
}
if (!soa_found) {
if (del_mode && ldns_rr_get_type(rr) == LDNS_RR_TYPE_SOA &&
q->serial == ldns_rdf2native_int32(
ldns_rr_rdf(rr, SE_SOA_RDATA_SERIAL))) {
soa_found = 1;
} else {
ods_log_deeebug("[%s] soa serial %u not found for rr at line %d",
axfr_str, q->serial, l);
ldns_rr_free(rr);
rr = NULL;
continue;
}
}
/* does it fit? */
if (query_add_rr(q, rr)) {
ods_log_deeebug("[%s] add rr at line %d", axfr_str, l);
ldns_rr_free(rr);
rr = NULL;
fpos = ftell(q->axfr_fd);
if (fpos < 0) {
ods_log_error("[%s] unable to read ixfr for zone %s: ftell() "
"failed (%s)", axfr_str, q->zone->name, strerror(errno));
ods_log_info("[%s] axfr fallback zone %s", axfr_str,
q->zone->name);
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
buffer_set_position(q->buffer, q->startpos);
return axfr(q, engine, 1);
}
buffer_pkt_set_ancount(q->buffer, buffer_pkt_ancount(q->buffer)+1);
total_added++;
} else {
ods_log_deeebug("[%s] rr at line %d does not fit", axfr_str, l);
ldns_rr_free(rr);
rr = NULL;
if (fseek(q->axfr_fd, fpos, SEEK_SET) != 0) {
ods_log_error("[%s] unable to reset file position in ixfr "
"file: fseek() failed (%s)", axfr_str, strerror(errno));
buffer_pkt_set_rcode(q->buffer, LDNS_RCODE_SERVFAIL);
return QUERY_PROCESSED;
} else if (q->tcp) {
goto return_ixfr;
} else {
goto axfr_fallback;
}
}
}
if (!soa_found) {
ods_log_warning("[%s] zone %s journal not found for serial %u",
axfr_str, q->zone->name, q->serial);
goto axfr_fallback;
}
ods_log_debug("[%s] ixfr zone %s is done", axfr_str, q->zone->name);
q->tsig_sign_it = 1; /* sign last packet */
q->axfr_is_done = 1;
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
return_ixfr:
ods_log_debug("[%s] return part ixfr zone %s", axfr_str, q->zone->name);
buffer_pkt_set_ancount(q->buffer, total_added);
buffer_pkt_set_nscount(q->buffer, 0);
buffer_pkt_set_arcount(q->buffer, 0);
/* check if it needs TSIG signatures */
if (q->tsig_rr->status == TSIG_OK) {
if (q->tsig_rr->update_since_last_prepare >= AXFR_TSIG_SIGN_EVERY_NTH) {
q->tsig_sign_it = 1;
}
}
return QUERY_IXFR;
axfr_fallback:
if (q->tcp) {
ods_log_info("[%s] axfr fallback zone %s", axfr_str, q->zone->name);
if (q->axfr_fd) {
ods_fclose(q->axfr_fd);
q->axfr_fd = NULL;
}
buffer_set_position(q->buffer, q->startpos);
return axfr(q, engine, 1);
}
/* UDP Overflow */
ods_log_info("[%s] ixfr udp overflow zone %s", axfr_str, q->zone->name);
buffer_set_position(q->buffer, bufpos);
buffer_pkt_set_ancount(q->buffer, 1);
buffer_pkt_set_nscount(q->buffer, 0);
buffer_pkt_set_arcount(q->buffer, 0);
/* check if it needs TSIG signatures */
if (q->tsig_rr->status == TSIG_OK) {
q->tsig_sign_it = 1;
}
return QUERY_PROCESSED;
}
addns_read_rr
ldns_rr * addns_read_rr(FILE *fd, char *line, ldns_rdf **orig, ldns_rdf **prev, uint32_t *ttl, ldns_status *status, unsigned int *l)
Definition addns.c:62
addns.h
adutil.h
SE_ADFILE_MAXLINE
#define SE_ADFILE_MAXLINE
Definition adutil.h:40
ixfr
query_state ixfr(query_type *q, engine_type *engine)
Definition axfr.c:389
axfr
query_state axfr(query_type *q, engine_type *engine, int fallback)
Definition axfr.c:152
soa_request
query_state soa_request(query_type *q, engine_type *engine)
Definition axfr.c:53
AXFR_TSIG_SIGN_EVERY_NTH
#define AXFR_TSIG_SIGN_EVERY_NTH
Definition axfr.c:43
axfr_str
const char * axfr_str
Definition axfr.c:45
axfr.h
AXFR_MAX_MESSAGE_LEN
#define AXFR_MAX_MESSAGE_LEN
Definition axfr.h:43
buffer_pkt_set_rcode
void buffer_pkt_set_rcode(buffer_type *buffer, ldns_pkt_rcode rcode)
Definition buffer.c:966
buffer_set_limit
void buffer_set_limit(buffer_type *buffer, size_t limit)
Definition buffer.c:385
buffer_set_position
void buffer_set_position(buffer_type *buffer, size_t pos)
Definition buffer.c:137
buffer_position
size_t buffer_position(buffer_type *buffer)
Definition buffer.c:125
buffer_pkt_set_nscount
void buffer_pkt_set_nscount(buffer_type *buffer, uint16_t count)
Definition buffer.c:1054
buffer_pkt_set_ancount
void buffer_pkt_set_ancount(buffer_type *buffer, uint16_t count)
Definition buffer.c:1030
buffer_pkt_set_aa
void buffer_pkt_set_aa(buffer_type *buffer)
Definition buffer.c:882
buffer_pkt_ancount
uint16_t buffer_pkt_ancount(buffer_type *buffer)
Definition buffer.c:1018
buffer_pkt_set_arcount
void buffer_pkt_set_arcount(buffer_type *buffer, uint16_t count)
Definition buffer.c:1078
buffer_pkt_set_qdcount
void buffer_pkt_set_qdcount(buffer_type *buffer, uint16_t count)
Definition buffer.c:1006
buffer.h
BUFFER_PKT_HEADER_SIZE
#define BUFFER_PKT_HEADER_SIZE
Definition buffer.h:43
edns.h
EDNS_NOT_PRESENT
@ EDNS_NOT_PRESENT
Definition edns.h:65
engine_type
struct engine_struct engine_type
Definition engine.h:38
query_prepare
void query_prepare(query_type *q)
Definition query.c:612
query_add_rr
int query_add_rr(query_type *q, ldns_rr *rr)
Definition query.c:1041
query.h
QUERY_IXFR
@ QUERY_IXFR
Definition query.h:50
QUERY_AXFR
@ QUERY_AXFR
Definition query.h:49
QUERY_PROCESSED
@ QUERY_PROCESSED
Definition query.h:47
query_type
struct query_struct query_type
Definition query.h:58
query_state
enum query_enum query_state
Definition query.h:52
sock.h
edns_rr_struct::status
edns_status status
Definition edns.h:77
query_struct::startpos
size_t startpos
Definition query.h:83
query_struct::tcp
int tcp
Definition query.h:71
query_struct::maxlen
size_t maxlen
Definition query.h:64
query_struct::buffer
buffer_type * buffer
Definition query.h:73
query_struct::edns_rr
edns_rr_type * edns_rr
Definition query.h:69
query_struct::tsig_sign_it
unsigned tsig_sign_it
Definition query.h:88
query_struct::axfr_fd
FILE * axfr_fd
Definition query.h:81
query_struct::serial
uint32_t serial
Definition query.h:82
query_struct::axfr_is_done
unsigned axfr_is_done
Definition query.h:85
query_struct::tsig_update_it
unsigned tsig_update_it
Definition query.h:87
query_struct::tsig_prepare_it
unsigned tsig_prepare_it
Definition query.h:86
query_struct::zone
zone_type * zone
Definition query.h:77
query_struct::tsig_rr
tsig_rr_type * tsig_rr
Definition query.h:67
tsig_rr_struct::update_since_last_prepare
size_t update_since_last_prepare
Definition tsig.h:127
tsig_rr_struct::status
tsig_status status
Definition tsig.h:124
xfrd_struct::serial_xfr_acquired
time_t serial_xfr_acquired
Definition xfrd.h:114
zone_struct::xfrd
xfrd_type * xfrd
Definition zone.h:82
zone_struct::name
const char * name
Definition zone.h:69
TSIG_OK
@ TSIG_OK
Definition tsig.h:57