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nsec3 hash function unit test.
git-svn-id: file:///svn/unbound/trunk@615 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
parent
48aec18ef7
commit
c7d15770c1
@ -1,3 +1,6 @@
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17 September 2007: Wouter
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- NSEC3 hash cache unit test.
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14 September 2007: Wouter
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- nsec3 nodata proof, nods proof, wildcard proof.
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- nsec3 support for cname chain ending in noerror or nodata.
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@ -43,12 +43,15 @@
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#include "testcode/unitmain.h"
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#include "validator/val_sigcrypt.h"
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#include "validator/val_nsec.h"
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#include "validator/val_nsec3.h"
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#include "validator/validator.h"
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#include "testcode/ldns-testpkts.h"
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#include "util/data/msgreply.h"
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#include "util/data/msgparse.h"
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#include "util/data/dname.h"
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#include "util/region-allocator.h"
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#include "util/alloc.h"
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#include "util/rbtree.h"
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#include "util/net_help.h"
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#include "util/module.h"
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#include "util/config_file.h"
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@ -91,7 +94,6 @@ entry_to_repinfo(struct entry* e, struct alloc_cache* alloc, struct region*
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struct edns_data edns;
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entry_to_buf(e, pkt);
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ret = reply_info_parse(pkt, alloc, qi, rep, region, &edns);
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region_free_all(region);
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if(ret != 0) {
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printf("parse code %d: %s\n", ret,
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ldns_lookup_by_id(ldns_rcodes, ret)->name);
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@ -228,6 +230,7 @@ dstest_entry(struct entry* e, struct alloc_cache* alloc, struct region*
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printf("result(no)= %s\n", ret?"yes":"no");
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}
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unit_assert(!ret);
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verbose(VERB_DETAIL, "DS fail: OK; matched unit test");
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} else {
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fatal_exit("Bad qname in DS unit test, yes or no");
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}
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@ -362,6 +365,87 @@ nsectest()
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unit_assert(!unitest_nsec_has_type_rdata(bitmap, len, 2230));
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}
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/** Test hash algo - NSEC3 hash it and compare result */
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static void
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nsec3_hash_test_entry(struct entry* e, rbtree_t* ct,
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struct alloc_cache* alloc, struct region* region,
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ldns_buffer* buf)
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{
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struct query_info qinfo;
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struct reply_info* rep = NULL;
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struct ub_packed_rrset_key* answer, *nsec3;
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struct nsec3_cached_hash* hash;
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int ret;
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uint8_t* qname;
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if(vsig) {
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printf("verifying NSEC3 hash:\n");
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ldns_pkt_print(stdout, e->reply_list->reply);
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printf("\n");
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}
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entry_to_repinfo(e, alloc, region, buf, &qinfo, &rep);
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nsec3 = find_rrset_type(rep, LDNS_RR_TYPE_NSEC3);
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answer = find_rrset_type(rep, LDNS_RR_TYPE_AAAA);
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qname = region_alloc_init(region, qinfo.qname, qinfo.qname_len);
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/* check test is OK */
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unit_assert(nsec3 && answer && qname);
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ret = nsec3_hash_name(ct, region, buf, nsec3, 0, qname,
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qinfo.qname_len, &hash);
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if(ret != 1) {
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printf("Bad nsec3_hash_name retcode %d\n", ret);
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unit_assert(ret == 1);
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}
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unit_assert(hash->dname && hash->hash && hash->hash_len &&
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hash->b32 && hash->b32_len);
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unit_assert(hash->b32_len == (size_t)answer->rk.dname[0]);
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/* does not do lowercasing. */
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unit_assert(memcmp(hash->b32, answer->rk.dname+1, hash->b32_len)
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== 0);
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reply_info_parsedelete(rep, alloc);
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query_info_clear(&qinfo);
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}
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/** Read file to test NSEC3 hash algo */
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static void
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nsec3_hash_test(const char* fname)
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{
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/*
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* The list contains a list of ldns-testpkts entries.
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* Every entry is a test.
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* The qname is hashed.
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* The answer section AAAA RR name is the required result.
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* The auth section NSEC3 is used to get hash parameters.
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* The hash cache is maintained per file.
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*
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* The test does not perform canonicalization during the compare.
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*/
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rbtree_t ct;
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struct region* region = region_create(malloc, free);
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struct alloc_cache alloc;
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ldns_buffer* buf = ldns_buffer_new(65535);
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struct entry* e;
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struct entry* list = read_datafile(fname);
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if(!list)
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fatal_exit("could not read %s: %s", fname, strerror(errno));
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rbtree_init(&ct, &nsec3_hash_cmp);
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alloc_init(&alloc, NULL, 1);
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unit_assert(region && buf);
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/* ready to go! */
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for(e = list; e; e = e->next) {
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nsec3_hash_test_entry(e, &ct, &alloc, region, buf);
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}
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delete_entry(list);
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region_destroy(region);
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alloc_clear(&alloc);
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ldns_buffer_free(buf);
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}
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void
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verify_test()
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{
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@ -369,4 +453,5 @@ verify_test()
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verifytest_file("testdata/test_signatures.1", "20070818005004");
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dstest_file("testdata/test_ds_sig.1");
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nsectest();
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nsec3_hash_test("testdata/test_nsec3_hash.1");
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}
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180
testdata/test_nsec3_hash.1
vendored
Normal file
180
testdata/test_nsec3_hash.1
vendored
Normal file
@ -0,0 +1,180 @@
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;
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; NSEC3 hash algo test file.
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; The hash cache is maintained for the duration of the file.
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; Every entry is a hash test.
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; query name is hashed.
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; answer AAAA record hash the correct hashed answer name.
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; auth NSEC3 record has the hash parameters.
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;
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; These are from the nsec3-draft-11 example zone.
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; H(example) = 0p9mhaveqvm6t7vbl5lop2u3t2rp3tom
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ENTRY_BEGIN
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SECTION QUESTION
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example. IN AAAA
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SECTION ANSWER
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(a.example) = 35mthgpgcu1qg68fab165klnsnk3dpvl
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ENTRY_BEGIN
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SECTION QUESTION
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a.example. IN AAAA
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SECTION ANSWER
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35mthgpgcu1qg68fab165klnsnk3dpvl.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(ai.example) = gjeqe526plbf1g8mklp59enfd789njgi
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ENTRY_BEGIN
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SECTION QUESTION
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ai.example. IN AAAA
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SECTION ANSWER
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gjeqe526plbf1g8mklp59enfd789njgi.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(ns1.example) = 2t7b4g4vsa5smi47k61mv5bv1a22bojr
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ENTRY_BEGIN
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SECTION QUESTION
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ns1.example. IN AAAA
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SECTION ANSWER
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2t7b4g4vsa5smi47k61mv5bv1a22bojr.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(ns2.example) = q04jkcevqvmu85r014c7dkba38o0ji5r
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ENTRY_BEGIN
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SECTION QUESTION
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ns2.example. IN AAAA
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SECTION ANSWER
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q04jkcevqvmu85r014c7dkba38o0ji5r.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(w.example) = k8udemvp1j2f7eg6jebps17vp3n8i58h
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ENTRY_BEGIN
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SECTION QUESTION
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w.example. IN AAAA
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SECTION ANSWER
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k8udemvp1j2f7eg6jebps17vp3n8i58h.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(*.w.example) = r53bq7cc2uvmubfu5ocmm6pers9tk9en
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ENTRY_BEGIN
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SECTION QUESTION
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*.w.example. IN AAAA
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SECTION ANSWER
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r53bq7cc2uvmubfu5ocmm6pers9tk9en.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(x.w.example) = b4um86eghhds6nea196smvmlo4ors995
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ENTRY_BEGIN
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SECTION QUESTION
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x.w.example. IN AAAA
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SECTION ANSWER
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b4um86eghhds6nea196smvmlo4ors995.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(y.w.example) = ji6neoaepv8b5o6k4ev33abha8ht9fgc
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ENTRY_BEGIN
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SECTION QUESTION
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y.w.example. IN AAAA
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SECTION ANSWER
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ji6neoaepv8b5o6k4ev33abha8ht9fgc.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(x.y.w.example) = 2vptu5timamqttgl4luu9kg21e0aor3s
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ENTRY_BEGIN
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SECTION QUESTION
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x.y.w.example. IN AAAA
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SECTION ANSWER
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2vptu5timamqttgl4luu9kg21e0aor3s.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; H(xx.example) = t644ebqk9bibcna874givr6joj62mlhv
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; capitalization changed.
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ENTRY_BEGIN
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SECTION QUESTION
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xX.example. IN AAAA
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SECTION ANSWER
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t644ebqk9bibcna874givr6joj62mlhv.example. AAAA ::1
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SECTION AUTHORITY
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b4um86eghhds6nea196smvmlo4ors995.example. NSEC3 1 1 12 aabbccdd (gjeqe526plbf1g8mklp59enfd789njgi MX RRSIG )
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ENTRY_END
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; H(2t7b4g4vsa5smi47k61mv5bv1a22bojr.example)
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; = kohar7mbb8dc2ce8a9qvl8hon4k53uhi
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ENTRY_BEGIN
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SECTION QUESTION
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2t7b4g4vsa5smi47k61mv5bv1a22bojr.example. IN AAAA
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SECTION ANSWER
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kohar7mbb8dc2ce8a9qvl8hon4k53uhi.example. AAAA ::1
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SECTION AUTHORITY
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b4um86eghhds6nea196smvmlo4ors995.example. NSEC3 1 1 12 aabbccdd (gjeqe526plbf1g8mklp59enfd789njgi MX RRSIG )
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ENTRY_END
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; repeat entry to test the cache.
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; H(example) = 0p9mhaveqvm6t7vbl5lop2u3t2rp3tom
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ENTRY_BEGIN
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SECTION QUESTION
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example. IN AAAA
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SECTION ANSWER
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; repeat entry to test the cache.
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; H(a.example) = 35mthgpgcu1qg68fab165klnsnk3dpvl
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ENTRY_BEGIN
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SECTION QUESTION
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a.example. IN AAAA
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SECTION ANSWER
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35mthgpgcu1qg68fab165klnsnk3dpvl.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; repeat entry to test the cache.
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; H(ai.example) = gjeqe526plbf1g8mklp59enfd789njgi
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ENTRY_BEGIN
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SECTION QUESTION
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ai.example. IN AAAA
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SECTION ANSWER
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gjeqe526plbf1g8mklp59enfd789njgi.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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; repeat entry to test the cache.
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; capitalization of qname.
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; H(ai.example) = gjeqe526plbf1g8mklp59enfd789njgi
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ENTRY_BEGIN
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SECTION QUESTION
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AI.example. IN AAAA
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SECTION ANSWER
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gjeqe526plbf1g8mklp59enfd789njgi.example. AAAA ::1
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SECTION AUTHORITY
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0p9mhaveqvm6t7vbl5lop2u3t2rp3tom.example. NSEC3 1 1 12 aabbccdd (2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG )
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ENTRY_END
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@ -66,33 +66,6 @@ int b32_ntop_extended_hex(uint8_t const *src, size_t srclength,
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int b32_pton_extended_hex(char const *src, size_t hashed_owner_str_len,
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uint8_t *target, size_t targsize);
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/**
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* The NSEC3 hash result storage.
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* Consists of an rbtree, with these nodes in it.
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* The nodes detail how a set of parameters (from nsec3 rr) plus
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* a dname result in a hash.
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*/
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struct nsec3_cached_hash {
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/** rbtree node, key is this structure */
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rbnode_t node;
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/** where are the parameters for conversion, in this rrset data */
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struct ub_packed_rrset_key* nsec3;
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/** where are the parameters for conversion, this RR number in data */
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int rr;
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/** the name to convert */
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uint8_t* dname;
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/** length of the dname */
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size_t dname_len;
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/** the hash result (not base32 encoded) */
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uint8_t* hash;
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/** length of hash in bytes */
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size_t hash_len;
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/** the hash result in base32 encoding */
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uint8_t* b32;
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/** length of base32 encoding (as a label) */
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size_t b32_len;
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};
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/**
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* Closest encloser (ce) proof results
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* Contains the ce and the next-closer (nc) proof.
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@ -472,7 +445,7 @@ nsec3_iteration_count_high(struct val_env* ve, struct nsec3_filter* filter,
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}
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/** nsec3_cache_compare for rbtree */
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static int
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int
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nsec3_hash_cmp(const void* c1, const void* c2)
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{
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struct nsec3_cached_hash* h1 = (struct nsec3_cached_hash*)c1;
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@ -545,6 +518,7 @@ nsec3_calc_hash(struct region* region, ldns_buffer* buf,
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(unsigned long)ldns_buffer_limit(buf),
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(unsigned char*)c->hash);
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}
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break;
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#endif /* SHA_DIGEST_LENGTH */
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default:
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log_err("nsec3 hash of unknown algo %d", algo);
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@ -573,22 +547,7 @@ nsec3_calc_b32(struct region* region, ldns_buffer* buf,
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return 1;
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}
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/**
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* Obtain the hash of an owner name.
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* @param table: the cache table. Must be inited at start.
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* @param region: scratch region to use for allocation.
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* @param buf: temporary buffer.
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* @param nsec3: the rrset with parameters
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* @param rr: rr number from d that has the NSEC3 parameters to hash to.
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* @param dname: name to hash
|
||||
* @param dname_len: the length of the name.
|
||||
* @param hash: the hash node is returned on success.
|
||||
* @return:
|
||||
* 1 on success, either from cache or newly hashed hash is returned.
|
||||
* 0 on a malloc failure.
|
||||
* -1 if the NSEC3 rr was badly formatted (i.e. formerr).
|
||||
*/
|
||||
static int
|
||||
int
|
||||
nsec3_hash_name(rbtree_t* table, struct region* region, ldns_buffer* buf,
|
||||
struct ub_packed_rrset_key* nsec3, int rr, uint8_t* dname,
|
||||
size_t dname_len, struct nsec3_cached_hash** hash)
|
||||
|
||||
@ -66,7 +66,9 @@
|
||||
|
||||
#ifndef VALIDATOR_VAL_NSEC3_H
|
||||
#define VALIDATOR_VAL_NSEC3_H
|
||||
#include "util/rbtree.h"
|
||||
struct val_env;
|
||||
struct region;
|
||||
struct module_env;
|
||||
struct ub_packed_rrset_key;
|
||||
enum sec_status;
|
||||
@ -211,4 +213,60 @@ nsec3_prove_nxornodata(struct module_env* env, struct val_env* ve,
|
||||
struct ub_packed_rrset_key** list, size_t num,
|
||||
struct query_info* qinfo, struct key_entry_key* kkey, int* nodata);
|
||||
|
||||
/**
|
||||
* The NSEC3 hash result storage.
|
||||
* Consists of an rbtree, with these nodes in it.
|
||||
* The nodes detail how a set of parameters (from nsec3 rr) plus
|
||||
* a dname result in a hash.
|
||||
*/
|
||||
struct nsec3_cached_hash {
|
||||
/** rbtree node, key is this structure */
|
||||
rbnode_t node;
|
||||
/** where are the parameters for conversion, in this rrset data */
|
||||
struct ub_packed_rrset_key* nsec3;
|
||||
/** where are the parameters for conversion, this RR number in data */
|
||||
int rr;
|
||||
/** the name to convert */
|
||||
uint8_t* dname;
|
||||
/** length of the dname */
|
||||
size_t dname_len;
|
||||
/** the hash result (not base32 encoded) */
|
||||
uint8_t* hash;
|
||||
/** length of hash in bytes */
|
||||
size_t hash_len;
|
||||
/** the hash result in base32 encoding */
|
||||
uint8_t* b32;
|
||||
/** length of base32 encoding (as a label) */
|
||||
size_t b32_len;
|
||||
};
|
||||
|
||||
/**
|
||||
* Rbtree for hash cache comparison function
|
||||
*/
|
||||
int nsec3_hash_cmp(const void* c1, const void* c2);
|
||||
|
||||
/**
|
||||
* Obtain the hash of an owner name.
|
||||
* Used internally by the nsec3 proof functions in this file.
|
||||
* published to enable unit testing of hash algorithms and cache.
|
||||
*
|
||||
* @param table: the cache table. Must be inited at start.
|
||||
* @param region: scratch region to use for allocation.
|
||||
* This region holds the tree, if you wipe the region, reinit the tree.
|
||||
* @param buf: temporary buffer.
|
||||
* @param nsec3: the rrset with parameters
|
||||
* @param rr: rr number from d that has the NSEC3 parameters to hash to.
|
||||
* @param dname: name to hash
|
||||
* This pointer is used inside the tree, assumed region-alloced.
|
||||
* @param dname_len: the length of the name.
|
||||
* @param hash: the hash node is returned on success.
|
||||
* @return:
|
||||
* 1 on success, either from cache or newly hashed hash is returned.
|
||||
* 0 on a malloc failure.
|
||||
* -1 if the NSEC3 rr was badly formatted (i.e. formerr).
|
||||
*/
|
||||
int nsec3_hash_name(rbtree_t* table, struct region* region, ldns_buffer* buf,
|
||||
struct ub_packed_rrset_key* nsec3, int rr, uint8_t* dname,
|
||||
size_t dname_len, struct nsec3_cached_hash** hash);
|
||||
|
||||
#endif /* VALIDATOR_VAL_NSEC3_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user