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Code Issues Releases Wiki Activity

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This commit is contained in:
Evan Hunt
2020-02-13 14:44:37 -08:00
parent 0255a97473
commit e851ed0bb5
669 changed files with 35995 additions and 42219 deletions
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95
lib/dns/nsec.c
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@@ -36,8 +36,7 @@
} while (0)
void
dns_nsec_setbit(unsigned char *array, unsigned int type, unsigned int bit)
{
dns_nsec_setbit(unsigned char *array, unsigned int type, unsigned int bit) {
unsigned int shift, mask;
shift = 7 - (type % 8);
@@ -51,8 +50,7 @@ dns_nsec_setbit(unsigned char *array, unsigned int type, unsigned int bit)
}
bool
dns_nsec_isset(const unsigned char *array, unsigned int type)
{
dns_nsec_isset(const unsigned char *array, unsigned int type) {
unsigned int byte, shift, mask;
byte = array[type / 8];
@@ -64,11 +62,10 @@ dns_nsec_isset(const unsigned char *array, unsigned int type)
unsigned int
dns_nsec_compressbitmap(unsigned char *map, const unsigned char *raw,
unsigned int max_type)
{
unsigned int max_type) {
unsigned char *start = map;
unsigned int window;
int octet;
unsigned int window;
int octet;
if (raw == NULL) {
return (0);
@@ -102,15 +99,14 @@ dns_nsec_compressbitmap(unsigned char *map, const unsigned char *raw,
isc_result_t
dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
const dns_name_t *target, unsigned char *buffer,
dns_rdata_t *rdata)
{
isc_result_t result;
dns_rdata_t *rdata) {
isc_result_t result;
dns_rdataset_t rdataset;
isc_region_t r;
unsigned int i;
isc_region_t r;
unsigned int i;
unsigned char * nsec_bits, *bm;
unsigned int max_type;
unsigned char *nsec_bits, *bm;
unsigned int max_type;
dns_rdatasetiter_t *rdsiter;
REQUIRE(target != NULL);
@@ -135,11 +131,13 @@ dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
return (result);
}
for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS;
result = dns_rdatasetiter_next(rdsiter)) {
result = dns_rdatasetiter_next(rdsiter))
{
dns_rdatasetiter_current(rdsiter, &rdataset);
if (rdataset.type != dns_rdatatype_nsec &&
rdataset.type != dns_rdatatype_nsec3 &&
rdataset.type != dns_rdatatype_rrsig) {
rdataset.type != dns_rdatatype_rrsig)
{
if (rdataset.type > max_type) {
max_type = rdataset.type;
}
@@ -152,7 +150,8 @@ dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
* At zone cuts, deny the existence of glue in the parent zone.
*/
if (dns_nsec_isset(bm, dns_rdatatype_ns) &&
!dns_nsec_isset(bm, dns_rdatatype_soa)) {
!dns_nsec_isset(bm, dns_rdatatype_soa))
{
for (i = 0; i <= max_type; i++) {
if (dns_nsec_isset(bm, i) &&
!dns_rdatatype_iszonecutauth((dns_rdatatype_t)i)) {
@@ -177,13 +176,12 @@ dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
isc_result_t
dns_nsec_build(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
const dns_name_t *target, dns_ttl_t ttl)
{
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
unsigned char data[DNS_NSEC_BUFFERSIZE];
const dns_name_t *target, dns_ttl_t ttl) {
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
unsigned char data[DNS_NSEC_BUFFERSIZE];
dns_rdatalist_t rdatalist;
dns_rdataset_t rdataset;
dns_rdataset_t rdataset;
dns_rdataset_init(&rdataset);
dns_rdata_init(&rdata);
@@ -209,12 +207,11 @@ failure:
}
bool
dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type)
{
dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type) {
dns_rdata_nsec_t nsecstruct;
isc_result_t result;
bool present;
unsigned int i, len, window;
isc_result_t result;
bool present;
unsigned int i, len, window;
REQUIRE(nsec != NULL);
REQUIRE(nsec->type == dns_rdatatype_nsec);
@@ -248,12 +245,11 @@ dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type)
}
isc_result_t
dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version, bool *answer)
{
dns_dbnode_t * node = NULL;
dns_rdataset_t rdataset;
dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version, bool *answer) {
dns_dbnode_t *node = NULL;
dns_rdataset_t rdataset;
dns_rdata_dnskey_t dnskey;
isc_result_t result;
isc_result_t result;
REQUIRE(answer != NULL);
@@ -275,7 +271,8 @@ dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version, bool *answer)
return (result);
}
for (result = dns_rdataset_first(&rdataset); result == ISC_R_SUCCESS;
result = dns_rdataset_next(&rdataset)) {
result = dns_rdataset_next(&rdataset))
{
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdataset_current(&rdataset, &rdata);
@@ -309,17 +306,16 @@ isc_result_t
dns_nsec_noexistnodata(dns_rdatatype_t type, const dns_name_t *name,
const dns_name_t *nsecname, dns_rdataset_t *nsecset,
bool *exists, bool *data, dns_name_t *wild,
dns_nseclog_t logit, void *arg)
{
int order;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_result_t result;
dns_namereln_t relation;
unsigned int olabels, nlabels, labels;
dns_nseclog_t logit, void *arg) {
int order;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_result_t result;
dns_namereln_t relation;
unsigned int olabels, nlabels, labels;
dns_rdata_nsec_t nsec;
bool atparent;
bool ns;
bool soa;
bool atparent;
bool ns;
bool soa;
REQUIRE(exists != NULL);
REQUIRE(data != NULL);
@@ -373,7 +369,8 @@ dns_nsec_noexistnodata(dns_rdatatype_t type, const dns_name_t *name,
}
if (type == dns_rdatatype_cname || type == dns_rdatatype_nxt ||
type == dns_rdatatype_nsec || type == dns_rdatatype_key ||
!dns_nsec_typepresent(&rdata, dns_rdatatype_cname)) {
!dns_nsec_typepresent(&rdata, dns_rdatatype_cname))
{
*exists = true;
*data = dns_nsec_typepresent(&rdata, type);
(*logit)(arg, ISC_LOG_DEBUG(3),
@@ -387,7 +384,8 @@ dns_nsec_noexistnodata(dns_rdatatype_t type, const dns_name_t *name,
if (relation == dns_namereln_subdomain &&
dns_nsec_typepresent(&rdata, dns_rdatatype_ns) &&
!dns_nsec_typepresent(&rdata, dns_rdatatype_soa)) {
!dns_nsec_typepresent(&rdata, dns_rdatatype_soa))
{
/*
* This NSEC record is from somewhere higher in
* the DNS, and at the parent of a delegation or
@@ -399,7 +397,8 @@ dns_nsec_noexistnodata(dns_rdatatype_t type, const dns_name_t *name,
}
if (relation == dns_namereln_subdomain &&
dns_nsec_typepresent(&rdata, dns_rdatatype_dname)) {
dns_nsec_typepresent(&rdata, dns_rdatatype_dname))
{
(*logit)(arg, ISC_LOG_DEBUG(3), "nsec proves covered by dname");
*exists = false;
return (DNS_R_DNAME);