bool
nsec_update_label_record(zdb_rr_label *label, nsec_node *node, nsec_node *next_node, u8 *name, u32 ttl)
{
type_bit_maps_context tbmctx;
u8 tmp_bitmap[256 * (1 + 1 + 32)]; /* 'max window count' * 'max window length' */
u32 tbm_size = type_bit_maps_initialize(&tbmctx, label, TRUE, TRUE);
type_bit_maps_write(tmp_bitmap, &tbmctx);
/*
* Get the NSEC record
*/
zdb_packed_ttlrdata *nsec_record;
if((nsec_record = zdb_record_find(&label->resource_record_set, TYPE_NSEC)) != NULL)
{
/*
* has record -> compare the type and the nsec next
* if something does not match remove the record and its signature (no record)
*
*/
log_debug("nsec_update_label_record: [%{dnsname}] %{dnsname} (=> %{dnsname}) updating record.", name, node->inverse_relative_name, next_node->inverse_relative_name);
/*
* If there is more than one record, clean-up
*/
if(nsec_record->next == NULL)
{
u8* rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
u16 size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_record);
u16 dname_len = dnsname_len(rdata);
if(dname_len < size)
{
u8* type_bitmap = &rdata[dname_len];
/*
* check the type bitmap
*/
if(memcmp(tmp_bitmap, type_bitmap, size - dname_len) == 0)
{
/*
* check the nsec next
*/
if(dnsname_equals(rdata, name))
{
/* All good */
return FALSE;
}
}
}
}
if(zdb_listener_notify_enabled())
{
zdb_packed_ttlrdata *nsec_rec = nsec_record;
do
{
zdb_ttlrdata unpacked_ttlrdata;
unpacked_ttlrdata.ttl = nsec_rec->ttl;
unpacked_ttlrdata.rdata_size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_rec);
unpacked_ttlrdata.rdata_pointer = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_rec);
zdb_listener_notify_remove_record(name, TYPE_NSEC, &unpacked_ttlrdata);
nsec_rec = nsec_rec->next;
}
while(nsec_rec != NULL);
}
zdb_record_delete(&label->resource_record_set, TYPE_NSEC);
rrsig_delete(name, label, TYPE_NSEC);
nsec_record = NULL;
}
/*
* no record -> create one and schedule a signature
*/
if(nsec_record == NULL)
{
zdb_packed_ttlrdata *nsec_record;
u8 next_name[256];
log_debug("nsec_update_label_record: [%{dnsname}] %{dnsname} (=> %{dnsname}) building new record.", name, node->inverse_relative_name, next_node->inverse_relative_name);
u16 dname_len = nsec_inverse_name(next_name, next_node->inverse_relative_name);
u16 rdata_size = dname_len + tbm_size;
ZDB_RECORD_ZALLOC_EMPTY(nsec_record, ttl, rdata_size);
u8* rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
memcpy(rdata, next_name, dname_len);
rdata += dname_len;
memcpy(rdata, tmp_bitmap, tbm_size);
zdb_record_insert(&label->resource_record_set, TYPE_NSEC, nsec_record);
if(zdb_listener_notify_enabled())
{
dnsname_vector name_path;
zdb_ttlrdata unpacked_ttlrdata;
unpacked_ttlrdata.ttl = ttl;
unpacked_ttlrdata.rdata_size = rdata_size;
unpacked_ttlrdata.rdata_pointer = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
dnsname_to_dnsname_vector(name, &name_path);
zdb_listener_notify_add_record(name_path.labels, name_path.size, TYPE_NSEC, &unpacked_ttlrdata);
}
/*
* Schedule a signature
*/
}
label->flags |= ZDB_RR_LABEL_NSEC;
return TRUE;
}
ya_result
nsec_update_zone(zdb_zone *zone, bool read_only) // read_only a.k.a slave
{
nsec_node *nsec_tree = NULL;
nsec_node *first_node;
nsec_node *node;
u8 *prev_name;
u8 *name;
soa_rdata soa;
u32 missing_nsec_records = 0;
u32 sibling_count = 0;
u32 nsec_under_delegation = 0;
ya_result return_code;
u8 name_buffer[2][MAX_DOMAIN_LENGTH];
u8 inverse_name[MAX_DOMAIN_LENGTH];
u8 tmp_bitmap[256 * (1 + 1 + 32)]; /* 'max window count' * 'max window length' */
yassert(zdb_zone_islocked_weak(zone));
if(FAIL(return_code = zdb_zone_getsoa(zone, &soa))) // zone is locked (weak)
{
return return_code;
}
#ifdef DEBUG
memset(name_buffer, 0xde, sizeof(name_buffer));
#endif
name = name_buffer[0];
prev_name = name_buffer[1];
zdb_zone_label_iterator label_iterator;
zdb_zone_label_iterator_init(&label_iterator, zone);
while(zdb_zone_label_iterator_hasnext(&label_iterator))
{
zdb_zone_label_iterator_nextname(&label_iterator, name);
zdb_rr_label* label = zdb_zone_label_iterator_next(&label_iterator);
if(zdb_rr_label_is_glue(label) || (label->resource_record_set == NULL))
{
// we are under a delegation or on an empty (non-terminal)
// there should not be an NSEC record here
zdb_packed_ttlrdata *nsec_record;
if((nsec_record = zdb_record_find(&label->resource_record_set, TYPE_NSEC)) != NULL) // zone is locked
{
nsec_under_delegation++;
log_err("nsec: %{dnsname}: unexpected NSEC record under a delegation", name);
}
continue;
}
nsec_inverse_name(inverse_name, name);
nsec_node *node = nsec_avl_insert(&nsec_tree, inverse_name);
node->label = label;
label->nsec.nsec.node = node;
}
/*
* Now that we have the NSEC chain
*/
type_bit_maps_context tbmctx;
nsec_avl_iterator nsec_iter;
nsec_avl_iterator_init(&nsec_tree, &nsec_iter);
if(nsec_avl_iterator_hasnext(&nsec_iter))
{
first_node = nsec_avl_iterator_next_node(&nsec_iter);
node = first_node;
do
{
nsec_node *next_node;
nsec_update_zone_count++;
if(nsec_avl_iterator_hasnext(&nsec_iter))
{
next_node = nsec_avl_iterator_next_node(&nsec_iter);
}
else
{
next_node = first_node;
}
/*
* Compute the type bitmap
*/
zdb_rr_label *label = node->label;
if(label == NULL)
{
node = next_node;
continue;
}
u32 tbm_size = type_bit_maps_initialise_from_label(&tbmctx, label, TRUE, TRUE);
type_bit_maps_write(&tbmctx, tmp_bitmap);
u8 *tmp_name = prev_name;
prev_name = name;
name = tmp_name;
nsec_inverse_name(name, next_node->inverse_relative_name);
/*
* Get the NSEC record
*/
zdb_packed_ttlrdata *nsec_record;
if((nsec_record = zdb_record_find(&label->resource_record_set, TYPE_NSEC)) != NULL) // zone is locked
{
/*
* has record -> compare the type and the nsec next
* if something does not match remove the record and its signature (no record)
*
*/
if(nsec_record->next == NULL) // should only be one record => delete all if not the case (the rrsig is lost anyway)
{
const u8 *rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
const u16 size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_record);
const u16 dname_len = dnsname_len(rdata);
if(dname_len < size)
{
const u8 *type_bitmap = &rdata[dname_len];
/*
* check the type bitmap
*/
if(memcmp(tmp_bitmap, type_bitmap, size - dname_len) == 0)
{
/*
* check the nsec next
*/
if(dnsname_equals(rdata, name))
{
/* All good */
label->flags |= ZDB_RR_LABEL_NSEC;
node = next_node;
continue;
}
else // else the "next fqdn" do not match (this is irrecoverable for a slave)
{
rdata_desc nsec_desc = {TYPE_NSEC, size, rdata};
log_debug("nsec: %{dnsname}: src: %{dnsname} %{typerdatadesc} next field do not match expected value (%{dnsname})", zone->origin, prev_name, &nsec_desc, name);
}
}
else // else the type bitmap do not match (this is wrong)
{
rdata_desc nsec_desc = {TYPE_NSEC, size, rdata};
log_debug("nsec: %{dnsname}: src: %{dnsname} %{typerdatadesc} types map do not match expected value", zone->origin, prev_name, &nsec_desc);
}
}
else // else the "next fqdn" do not match (early test, this is irrecoverable for a slave)
{
rdata_desc nsec_desc = {TYPE_NSEC, size, rdata};
log_debug("nsec: %{dnsname}: src: %{dnsname} %{typerdatadesc} next field do not match expected value (%{dnsname})", zone->origin, prev_name, &nsec_desc, name);
}
}
else
{
sibling_count++;
log_warn("nsec: %{dnsname}: %{dnsname}: multiple NSEC records where only one is expected", zone->origin, prev_name);
}
// wrong NSEC RRSET
zdb_packed_ttlrdata *nsec_rec = nsec_record;
do
{
zdb_ttlrdata unpacked_ttlrdata;
unpacked_ttlrdata.ttl = nsec_rec->ttl;
unpacked_ttlrdata.rdata_size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_rec);
unpacked_ttlrdata.rdata_pointer = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_rec);
rdata_desc nsec_desc = {TYPE_NSEC, unpacked_ttlrdata.rdata_size, unpacked_ttlrdata.rdata_pointer};
if(!read_only)
{
log_warn("nsec: %{dnsname}: del: %{dnsname} %{typerdatadesc}", zone->origin, prev_name, &nsec_desc);
#if ZDB_CHANGE_FEEDBACK_SUPPORT
zdb_listener_notify_remove_record(zone, name, TYPE_NSEC, &unpacked_ttlrdata);
#endif
}
else
{
log_err("nsec: %{dnsname}: got: %{dnsname} %{typerdatadesc}", zone->origin, prev_name, &nsec_desc);
}
nsec_rec = nsec_rec->next;
}
while(nsec_rec != NULL);
if(!read_only)
{
zdb_record_delete(&label->resource_record_set, TYPE_NSEC);
rrsig_delete(zone, name, label, TYPE_NSEC);
nsec_record = NULL;
}
}
/*
* no record -> create one and schedule a signature (MASTER ONLY)
*/
if(nsec_record == NULL)
{
missing_nsec_records++;
zdb_packed_ttlrdata *nsec_record;
u16 dname_len = nsec_inverse_name(name, next_node->inverse_relative_name);
u16 rdata_size = dname_len + tbm_size;
ZDB_RECORD_ZALLOC_EMPTY(nsec_record, soa.minimum, rdata_size);
u8* rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
memcpy(rdata, name, dname_len);
rdata += dname_len;
memcpy(rdata, tmp_bitmap, tbm_size);
rdata_desc nsec_desc = {TYPE_NSEC, ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_record), ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record)};
if(!read_only)
{
zdb_record_insert(&label->resource_record_set, TYPE_NSEC, nsec_record);
#ifdef DEBUG
log_debug("nsec: %{dnsname}: add: %{dnsname} %{typerdatadesc}", zone->origin, prev_name, &nsec_desc);
#endif
#if ZDB_CHANGE_FEEDBACK_SUPPORT
if(zdb_listener_notify_enabled())
{
dnsname_vector name_path;
zdb_ttlrdata unpacked_ttlrdata;
unpacked_ttlrdata.ttl = nsec_record->ttl;
unpacked_ttlrdata.rdata_size = rdata_size;
unpacked_ttlrdata.rdata_pointer = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
dnsname_to_dnsname_vector(name, &name_path);
zdb_listener_notify_add_record(zone, name_path.labels, name_path.size, TYPE_NSEC, &unpacked_ttlrdata);
}
#endif
/*
* Schedule a signature
*/
}
else
{
log_warn("nsec: %{dnsname}: need: %{dnsname} %{typerdatadesc}", zone->origin, prev_name, &nsec_desc);
ZDB_RECORD_ZFREE(nsec_record);
}
}
label->flags |= ZDB_RR_LABEL_NSEC;
node = next_node;
}
while(node != first_node);
}
zone->nsec.nsec = nsec_tree;
if(read_only)
{
if(missing_nsec_records + sibling_count + nsec_under_delegation)
{
log_err("nsec: missing records: %u, nsec with siblings: %u, nsec under delegation: %u", missing_nsec_records, sibling_count, nsec_under_delegation);
//return DNSSEC_ERROR_NSEC_INVALIDZONESTATE;
}
}
else
{
if(missing_nsec_records + sibling_count + nsec_under_delegation)
{
log_warn("nsec: missing records: %u, nsec with siblings: %u, nsec under delegation: %u", missing_nsec_records, sibling_count, nsec_under_delegation);
}
}
return SUCCESS;
}
ya_result
nsec_update_zone(zdb_zone *zone)
{
nsec_node *nsec_tree = NULL;
soa_rdata soa;
u8 name[MAX_DOMAIN_LENGTH];
u8 inverse_name[MAX_DOMAIN_LENGTH];
u8 tmp_bitmap[256 * (1 + 1 + 32)]; /* 'max window count' * 'max window length' */
ya_result return_code;
if(FAIL(return_code = zdb_zone_getsoa(zone, &soa)))
{
return return_code;
}
zdb_zone_label_iterator label_iterator;
zdb_zone_label_iterator_init(zone, &label_iterator);
while(zdb_zone_label_iterator_hasnext(&label_iterator))
{
zdb_zone_label_iterator_nextname(&label_iterator, name);
zdb_rr_label* label = zdb_zone_label_iterator_next(&label_iterator);
if(zdb_rr_label_is_glue(label) || (label->resource_record_set == NULL))
{
continue;
}
nsec_inverse_name(inverse_name, name);
nsec_node *node = nsec_avl_insert(&nsec_tree, inverse_name);
node->label = label;
label->nsec.nsec.node = node;
}
/*
* Now that we have the NSEC chain
*/
nsec_node *first_node;
nsec_node *node;
type_bit_maps_context tbmctx;
nsec_avl_iterator nsec_iter;
nsec_avl_iterator_init(&nsec_tree, &nsec_iter);
if(nsec_avl_iterator_hasnext(&nsec_iter))
{
first_node = nsec_avl_iterator_next_node(&nsec_iter);
node = first_node;
do
{
nsec_node *next_node;
nsec_update_zone_count++;
if(nsec_avl_iterator_hasnext(&nsec_iter))
{
next_node = nsec_avl_iterator_next_node(&nsec_iter);
}
else
{
next_node = first_node;
}
/*
* Compute the type bitmap
*/
zdb_rr_label *label = node->label;
u32 tbm_size = type_bit_maps_initialize(&tbmctx, label, TRUE, TRUE);
type_bit_maps_write(tmp_bitmap, &tbmctx);
nsec_inverse_name(name, next_node->inverse_relative_name);
/*
* Get the NSEC record
*/
zdb_packed_ttlrdata *nsec_record;
if((nsec_record = zdb_record_find(&label->resource_record_set, TYPE_NSEC)) != NULL)
{
/*
* has record -> compare the type and the nsec next
* if something does not match remove the record and its signature (no record)
*
*/
if(nsec_record->next == NULL)
{
u8* rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
u16 size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_record);
u16 dname_len = dnsname_len(rdata);
if(dname_len < size)
{
u8* type_bitmap = &rdata[dname_len];
/*
* check the type bitmap
*/
if(memcmp(tmp_bitmap, type_bitmap, size - dname_len) == 0)
{
/*
* check the nsec next
*/
if(dnsname_equals(rdata, name))
{
/* All good */
label->flags |= ZDB_RR_LABEL_NSEC;
node = next_node;
continue;
}
}
}
}
if(zdb_listener_notify_enabled())
{
zdb_packed_ttlrdata *nsec_rec = nsec_record;
do
{
zdb_ttlrdata unpacked_ttlrdata;
unpacked_ttlrdata.ttl = nsec_rec->ttl;
unpacked_ttlrdata.rdata_size = ZDB_PACKEDRECORD_PTR_RDATASIZE(nsec_rec);
unpacked_ttlrdata.rdata_pointer = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_rec);
zdb_listener_notify_remove_record(name, TYPE_NSEC, &unpacked_ttlrdata);
nsec_rec = nsec_rec->next;
}
while(nsec_rec != NULL);
}
zdb_record_delete(&label->resource_record_set, TYPE_NSEC);
rrsig_delete(name, label, TYPE_NSEC);
nsec_record = NULL;
}
/*
* no record -> create one and schedule a signature
*/
if(nsec_record == NULL)
{
zdb_packed_ttlrdata *nsec_record;
u16 dname_len = nsec_inverse_name(name, next_node->inverse_relative_name);
u16 rdata_size = dname_len + tbm_size;
ZDB_RECORD_ZALLOC_EMPTY(nsec_record, soa.minimum, rdata_size);
u8* rdata = ZDB_PACKEDRECORD_PTR_RDATAPTR(nsec_record);
memcpy(rdata, name, dname_len);
rdata += dname_len;
memcpy(rdata, tmp_bitmap, tbm_size);
zdb_record_insert(&label->resource_record_set, TYPE_NSEC, nsec_record);
/*
* Schedule a signature
*/
}
label->flags |= ZDB_RR_LABEL_NSEC;
node = next_node;
}
while(node != first_node);
}
zone->nsec.nsec = nsec_tree;
return SUCCESS;
}
ya_result
zdb_icmtl_replay_commit(zdb_zone *zone, input_stream *is, u32 *current_serialp)
{
ya_result ret;
/*
* 0: DELETE, 1: ADD
* The mode is switched every time an SOA is found.
*/
yassert(zdb_zone_islocked(zone));
#if ZDB_HAS_NSEC3_SUPPORT
bool has_nsec3 = zdb_zone_is_nsec3(zone);
#endif
#if ZDB_HAS_NSEC_SUPPORT
bool has_nsec = zdb_zone_is_nsec(zone);
#endif
#if ZDB_HAS_NSEC3_SUPPORT && ZDB_HAS_NSEC_SUPPORT
if(has_nsec3 && has_nsec)
{
log_err("journal: %{dnsname}: zone has both NSEC and NSEC3 status, which is not supported by YADIFA", zone->origin);
return ERROR;
}
#endif
u8 mode = 1; // the first SOA will switch the mode to delete
s32 changes = 0;
zdb_ttlrdata ttlrdata;
dns_resource_record rr;
dns_resource_record_init(&rr);
const u8 *fqdn = rr.name;
dnslabel_vector labels;
ttlrdata.next = NULL;
/*
* The plan for NSEC3 :
* Store the fqdn + type class ttl rdata in collections
* => the delete collection
* => the add collection
* Then there is the NSEC3 covered labels: keep a reference to them for later
*
* When a pass of SOA-/SOA+ has finished:
* _ replace the NSEC3 in both collections (reading from delete)
* _ delete NSEC3 to delete
* _ add NSEC3 to add
*
* _ and finally update the NSEC3 for the labels kept above
*/
#if ZDB_HAS_NSEC3_SUPPORT
chain_replay nsec3replay;
nsec3_chain_replay_init(&nsec3replay, zone);
#endif
#if ZDB_HAS_NSEC_SUPPORT
chain_replay nsecreplay;
nsec_chain_replay_init(&nsecreplay, zone);
#endif
#if ZDB_HAS_NSEC3_SUPPORT
ptr_set downed_fqdn = PTR_SET_DNSNAME_EMPTY;
#endif
/*
* At this point : the next record, if it exists AND is not an SOA , has to be deleted
*
*/
bool did_remove_soa = FALSE;
// something has to be committed
for(;;)
{
/*
* read the full record
*
* == 0 : no record (EOF)
* < 0 : failed
*/
if((ret = dns_resource_record_read(&rr, is)) <= 0)
{
if(ISOK(ret))
{
log_info("journal: %{dnsname}: reached the end of the journal page", zone->origin);
}
else
{
log_err("journal: %{dnsname}: broken journal: %r", zone->origin, ret);
logger_flush(); // broken journal (bad, keep me)
}
break;
}
ttlrdata.ttl = ntohl(rr.tctr.ttl);
ttlrdata.rdata_pointer = rr.rdata;
ttlrdata.rdata_size = rr.rdata_size;
/*
* Stop at the SOA
*/
if(rr.tctr.qtype == TYPE_SOA)
{
mode ^= 1;
if(mode == 0)
{
/* ADD */
#if ZDB_HAS_NSEC3_SUPPORT
// NSEC3
{
ret = nsec3replay.vtbl->execute(&nsec3replay);
if(FAIL(ret))
{
dns_resource_record_clear(&rr);
// DO NOT: input_stream_close(is);
nsec3replay.vtbl->finalise(&nsec3replay);
#if ZDB_HAS_NSEC_SUPPORT
nsecreplay.vtbl->finalise(&nsecreplay);
#endif // ZDB_HAS_NSEC_SUPPORT
return ret;
}
}
#endif
#if ZDB_HAS_NSEC_SUPPORT
// NSEC
ret = nsecreplay.vtbl->execute(&nsecreplay);
#endif //ZDB_HAS_NSEC_SUPPORT
}
}
if(!did_remove_soa)
{
log_info("journal: %{dnsname}: removing obsolete SOA", zone->origin);
if(FAIL(ret = zdb_record_delete(&zone->apex->resource_record_set, TYPE_SOA)))
{
/**
* complain
*/
log_err("journal: %{dnsname}: removing current SOA gave an error: %r", zone->origin, ret);
/* That's VERY bad ... */
changes = ret;
break;
}
did_remove_soa = TRUE;
}
s32 top = dnsname_to_dnslabel_vector(fqdn, labels);
if(mode == 0)
{
/*
* "TO DEL" record
*/
#if ICMTL_DUMP_JOURNAL_RECORDS
rdata_desc type_len_rdata = {rr.tctr.qtype, rr.rdata_size, rr.rdata };
log_debug("journal: del %{dnsname} %{typerdatadesc}", fqdn, &type_len_rdata);
logger_flush();
#endif
bool added_in_chain = FALSE;
#if ZDB_HAS_NSEC3_SUPPORT
// 0 : proceed
// 1 : ignore
// ? : error
if((added_in_chain = (nsec3replay.vtbl->record_del(&nsec3replay, fqdn, rr.tctr.qtype, &ttlrdata) != 0)))
{
// add everything up until a non-empty terminal is found (the apex will thus be automatically avoided)
// if the record is a delegation, add everything down too
/*
if((top > zone->origin_vector.size) &&
(rr.tctr.qtype != TYPE_NSEC3) &&
( (rr.tctr.qtype != TYPE_RRSIG) ||
((rr.tctr.qtype == TYPE_RRSIG) && (GET_U16_AT_P(ZDB_RECORD_PTR_RDATAPTR(&ttlrdata)) != TYPE_NSEC3))
)
)
{
}
*/
++changes;
}
else
{
if(top > zone->origin_vector.size)
{
const u8 *above_fqdn = fqdn;
for(int i = 1; i < top - zone->origin_vector.size; ++i)
{
zdb_rr_label *above = zdb_rr_label_find_exact(zone->apex, &labels[i], top - zone->origin_vector.size - 1 - i);
if(above != NULL)
{
if(btree_notempty(above->resource_record_set))
{
break;
}
}
above_fqdn += above_fqdn[0] + 1;
nsec3replay.vtbl->record_del(&nsec3replay, above_fqdn, TYPE_NONE, NULL);
}
zdb_rr_label *rr_label = zdb_rr_label_find_exact(zone->apex, labels, (top - zone->origin_vector.size) - 1);
if(rr_label != NULL)
{
zdb_rr_label_forall_children_of_fqdn(rr_label, fqdn, zdb_icmtl_replay_commit_label_forall_nsec3_del_cb, &nsec3replay);
}
}
}
#endif
#if ZDB_HAS_NSEC_SUPPORT
// 0 : proceed
// 1 : ignore
// ? : error
if(!added_in_chain && (added_in_chain = nsecreplay.vtbl->record_del(&nsecreplay, fqdn, rr.tctr.qtype, &ttlrdata) != 0))
{
++changes;
}
//else
#endif
if(!added_in_chain)
switch(rr.tctr.qtype)
{
case TYPE_SOA:
{
rdata_desc rdata = {TYPE_SOA, ttlrdata.rdata_size, ttlrdata.rdata_pointer};
log_info("journal: %{dnsname}: SOA: del %{dnsname} %{typerdatadesc}", zone->origin, fqdn, &rdata);
s32 m1 = (top - zone->origin_vector.size) - 1;
if(m1 == -1)
{
if(FAIL(ret = zdb_record_delete_exact(&zone->apex->resource_record_set, TYPE_SOA, &ttlrdata))) /* FB done, APEX : no delegation, source is the journal */
{
if(!did_remove_soa)
{
log_err("journal: %{dnsname}: SOA: %r", zone->origin, ret);
}
}
}
else
{
if(FAIL(ret = zdb_rr_label_delete_record_exact(zone, labels, (top - zone->origin_vector.size) - 1, rr.tctr.qtype, &ttlrdata))) // source is journal
{
if(!did_remove_soa)
{
log_err("journal: %{dnsname}: SOA: (2) %r", zone->origin, ret);
}
}
}
break;
}
default:
{
#if ZDB_HAS_NSEC3_SUPPORT
// NSEC3
if(rr.tctr.qtype != TYPE_NSEC3)
{
if((rr.tctr.qtype != TYPE_RRSIG) && (rrsig_get_type_covered_from_rdata(rr.rdata, rr.rdata_size) != TYPE_NSEC3))
{
if(ptr_set_avl_find(&downed_fqdn, fqdn) == NULL)
{
ptr_set_avl_insert(&downed_fqdn, dnsname_dup(fqdn));
}
}
}
else
{
if(!NSEC3_RDATA_IS_OPTOUT(rr.rdata))
{
zone->_flags &= ~ZDB_ZONE_HAS_OPTOUT_COVERAGE;
}
}
#endif
if(FAIL(ret = zdb_rr_label_delete_record_exact(zone, labels, (top - zone->origin_vector.size) - 1, rr.tctr.qtype, &ttlrdata))) // source is journal
{
// signatures can be removed automatically by maintenance
if((rr.tctr.qtype != TYPE_RRSIG) && (ret != ZDB_ERROR_KEY_NOTFOUND))
{
log_err("journal: %{dnsname}: del %{dnsrr}", zone->origin, &rr);
log_err("journal: %{dnsname}: %{dnstype}: %r", zone->origin, &rr.tctr.qtype, ret);
}
else
{
log_debug("journal: %{dnsname}: del %{dnsrr}", zone->origin, &rr);
log_debug("journal: %{dnsname}: %{dnstype}: %r", zone->origin, &rr.tctr.qtype, ret);
}
}
}
}
}
else
{
/*
* "TO ADD" record
*/
bool added_in_chain = FALSE;
#if ZDB_HAS_NSEC3_SUPPORT
// returns the number of changes taken into account (0 or 1)
// 0 : proceed
// 1 : ignore
// ? : error
if((added_in_chain = (nsec3replay.vtbl->record_add(&nsec3replay, fqdn, rr.tctr.qtype, &ttlrdata) != 0)))
{
++changes;
}
else
{
if( (top > zone->origin_vector.size) &&
(rr.tctr.qtype != TYPE_NSEC3) &&
( (rr.tctr.qtype != TYPE_RRSIG) ||
((rr.tctr.qtype == TYPE_RRSIG) && (GET_U16_AT_P(ZDB_RECORD_PTR_RDATAPTR(&ttlrdata)) != TYPE_NSEC3))
)
)
{
const u8 *above_fqdn = fqdn;
for(int i = 1; i < top - zone->origin_vector.size; ++i)
{
zdb_rr_label *above = zdb_rr_label_find_exact(zone->apex, &labels[i], top - zone->origin_vector.size - 1 - i);
if(above != NULL)
{
if(btree_notempty(above->resource_record_set))
{
break;
}
}
above_fqdn += above_fqdn[0] + 1;
nsec3replay.vtbl->record_add(&nsec3replay, above_fqdn, TYPE_NONE, NULL);
}
zdb_rr_label *rr_label = zdb_rr_label_find_exact(zone->apex, labels, (top - zone->origin_vector.size) - 1);
if(rr_label != NULL)
{
zdb_rr_label_forall_children_of_fqdn(rr_label, fqdn, zdb_icmtl_replay_commit_label_forall_nsec3_add_cb, &nsec3replay);
}
}
}
#endif
#if ZDB_HAS_NSEC_SUPPORT
// returns the number of changes taken into account (0 or 1)
// 0 : proceed
// 1 : ignore
// ? : error
if(!added_in_chain && (added_in_chain = (nsecreplay.vtbl->record_add(&nsecreplay, fqdn, rr.tctr.qtype, &ttlrdata) != 0)))
{
++changes;
}
//else
#endif
if(!added_in_chain)
switch(rr.tctr.qtype)
{
#if ZDB_HAS_NSEC3_SUPPORT
case TYPE_NSEC3CHAINSTATE:
{
// create chain if missing ...
nsec3_zone_add_from_rdata(zone, rr.rdata_size, rr.rdata);
// add the record
zdb_packed_ttlrdata *packed_ttlrdata;
ZDB_RECORD_ZALLOC_EMPTY(packed_ttlrdata, ttlrdata.ttl, rr.rdata_size);
packed_ttlrdata->next = NULL;
MEMCOPY(ZDB_PACKEDRECORD_PTR_RDATAPTR(packed_ttlrdata), rr.rdata, rr.rdata_size);
zdb_zone_record_add(zone, labels, top, rr.tctr.qtype, packed_ttlrdata); // class is implicit, flow verified
break;
}
#endif // ZDB_HAS_NSEC3_SUPPORT
#
default:
{
zdb_packed_ttlrdata *packed_ttlrdata;
ZDB_RECORD_ZALLOC_EMPTY(packed_ttlrdata, ttlrdata.ttl, rr.rdata_size);
packed_ttlrdata->next = NULL;
MEMCOPY(ZDB_PACKEDRECORD_PTR_RDATAPTR(packed_ttlrdata), rr.rdata, rr.rdata_size);
#if ICMTL_DUMP_JOURNAL_RECORDS
rdata_desc type_len_rdata = {rr.tctr.qtype, rr.rdata_size, ZDB_PACKEDRECORD_PTR_RDATAPTR(packed_ttlrdata) };
log_debug("journal: add %{dnsname} %{typerdatadesc}", fqdn, &type_len_rdata);
logger_flush();
#endif
if(rr.tctr.qtype == TYPE_SOA)
{
rr_soa_get_serial(ZDB_PACKEDRECORD_PTR_RDATAPTR(packed_ttlrdata), ZDB_PACKEDRECORD_PTR_RDATASIZE(packed_ttlrdata), current_serialp);
rdata_desc rdata = {TYPE_SOA, ZDB_PACKEDRECORD_PTR_RDATASIZE(packed_ttlrdata), ZDB_PACKEDRECORD_PTR_RDATAPTR(packed_ttlrdata)};
log_info("journal: %{dnsname}: SOA: add %{dnsname} %{typerdatadesc}", zone->origin, fqdn, &rdata);
}
zdb_zone_record_add(zone, labels, top, rr.tctr.qtype, packed_ttlrdata); // class is implicit, flow verified
}
}
} // end if ADD
changes++;
}
/*
* Yes, I know. If 2^32 changes (add batch + del batch) occurs then it will be seen as an error ...
*/
if(ISOK(changes))
{
#if ZDB_HAS_NSEC3_SUPPORT && ZDB_HAS_NSEC_SUPPORT
if(has_nsec3 && has_nsec)
{
log_warn("journal: %{dnsname}: both NSEC3 and NSEC operations happened, which is not supported by YADIFA. Keeping the original one.", zone->origin);
has_nsec3 = zdb_zone_is_nsec3(zone);
has_nsec = zdb_zone_is_nsec(zone);
}
#endif
#if ZDB_HAS_NSEC3_SUPPORT
nsec3replay.vtbl->execute(&nsec3replay);
#endif
#if ZDB_HAS_NSEC_SUPPORT
nsecreplay.vtbl->execute(&nsecreplay);
#endif
}
#if ZDB_HAS_NSEC3_SUPPORT
// has_nsec3 = zdb_zone_is_nsec3(zone);
nsec3replay.vtbl->finalise(&nsec3replay);
#endif
#if ZDB_HAS_NSEC_SUPPORT
// has_nsec = zdb_zone_is_nsec(zone);
nsecreplay.vtbl->finalise(&nsecreplay);
#endif
dns_resource_record_clear(&rr);
return changes;
}
