diff options
Diffstat (limited to 'src/resolve/test-dnssec.c')
-rw-r--r-- | src/resolve/test-dnssec.c | 159 |
1 files changed, 139 insertions, 20 deletions
diff --git a/src/resolve/test-dnssec.c b/src/resolve/test-dnssec.c index a2118513f1..45fe1997e2 100644 --- a/src/resolve/test-dnssec.c +++ b/src/resolve/test-dnssec.c @@ -27,6 +27,99 @@ #include "resolved-dns-dnssec.h" #include "resolved-dns-rr.h" #include "string-util.h" +#include "hexdecoct.h" + +static void test_dnssec_verify_rrset2(void) { + + static const uint8_t signature_blob[] = { + 0x48, 0x45, 0xc8, 0x8b, 0xc0, 0x14, 0x92, 0xf5, 0x15, 0xc6, 0x84, 0x9d, 0x2f, 0xe3, 0x32, 0x11, + 0x7d, 0xf1, 0xe6, 0x87, 0xb9, 0x42, 0xd3, 0x8b, 0x9e, 0xaf, 0x92, 0x31, 0x0a, 0x53, 0xad, 0x8b, + 0xa7, 0x5c, 0x83, 0x39, 0x8c, 0x28, 0xac, 0xce, 0x6e, 0x9c, 0x18, 0xe3, 0x31, 0x16, 0x6e, 0xca, + 0x38, 0x31, 0xaf, 0xd9, 0x94, 0xf1, 0x84, 0xb1, 0xdf, 0x5a, 0xc2, 0x73, 0x22, 0xf6, 0xcb, 0xa2, + 0xe7, 0x8c, 0x77, 0x0c, 0x74, 0x2f, 0xc2, 0x13, 0xb0, 0x93, 0x51, 0xa9, 0x4f, 0xae, 0x0a, 0xda, + 0x45, 0xcc, 0xfd, 0x43, 0x99, 0x36, 0x9a, 0x0d, 0x21, 0xe0, 0xeb, 0x30, 0x65, 0xd4, 0xa0, 0x27, + 0x37, 0x3b, 0xe4, 0xc1, 0xc5, 0xa1, 0x2a, 0xd1, 0x76, 0xc4, 0x7e, 0x64, 0x0e, 0x5a, 0xa6, 0x50, + 0x24, 0xd5, 0x2c, 0xcc, 0x6d, 0xe5, 0x37, 0xea, 0xbd, 0x09, 0x34, 0xed, 0x24, 0x06, 0xa1, 0x22, + }; + + static const uint8_t dnskey_blob[] = { + 0x03, 0x01, 0x00, 0x01, 0xc3, 0x7f, 0x1d, 0xd1, 0x1c, 0x97, 0xb1, 0x13, 0x34, 0x3a, 0x9a, 0xea, + 0xee, 0xd9, 0x5a, 0x11, 0x1b, 0x17, 0xc7, 0xe3, 0xd4, 0xda, 0x20, 0xbc, 0x5d, 0xba, 0x74, 0xe3, + 0x37, 0x99, 0xec, 0x25, 0xce, 0x93, 0x7f, 0xbd, 0x22, 0x73, 0x7e, 0x14, 0x71, 0xe0, 0x60, 0x07, + 0xd4, 0x39, 0x8b, 0x5e, 0xe9, 0xba, 0x25, 0xe8, 0x49, 0xe9, 0x34, 0xef, 0xfe, 0x04, 0x5c, 0xa5, + 0x27, 0xcd, 0xa9, 0xda, 0x70, 0x05, 0x21, 0xab, 0x15, 0x82, 0x24, 0xc3, 0x94, 0xf5, 0xd7, 0xb7, + 0xc4, 0x66, 0xcb, 0x32, 0x6e, 0x60, 0x2b, 0x55, 0x59, 0x28, 0x89, 0x8a, 0x72, 0xde, 0x88, 0x56, + 0x27, 0x95, 0xd9, 0xac, 0x88, 0x4f, 0x65, 0x2b, 0x68, 0xfc, 0xe6, 0x41, 0xc1, 0x1b, 0xef, 0x4e, + 0xd6, 0xc2, 0x0f, 0x64, 0x88, 0x95, 0x5e, 0xdd, 0x3a, 0x02, 0x07, 0x50, 0xa9, 0xda, 0xa4, 0x49, + 0x74, 0x62, 0xfe, 0xd7, + }; + + _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *nsec = NULL, *rrsig = NULL, *dnskey = NULL; + _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; + DnssecResult result; + + nsec = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC, "nasa.gov"); + assert_se(nsec); + + nsec->nsec.next_domain_name = strdup("3D-Printing.nasa.gov"); + assert_se(nsec->nsec.next_domain_name); + + nsec->nsec.types = bitmap_new(); + assert_se(nsec->nsec.types); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_A) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NS) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_SOA) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_MX) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_TXT) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_RRSIG) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NSEC) >= 0); + assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_DNSKEY) >= 0); + assert_se(bitmap_set(nsec->nsec.types, 65534) >= 0); + + log_info("NSEC: %s", strna(dns_resource_record_to_string(nsec))); + + rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); + assert_se(rrsig); + + rrsig->rrsig.type_covered = DNS_TYPE_NSEC; + rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; + rrsig->rrsig.labels = 2; + rrsig->rrsig.original_ttl = 300; + rrsig->rrsig.expiration = 0x5689002f; + rrsig->rrsig.inception = 0x56617230; + rrsig->rrsig.key_tag = 30390; + rrsig->rrsig.signer = strdup("Nasa.Gov."); + assert_se(rrsig->rrsig.signer); + rrsig->rrsig.signature_size = sizeof(signature_blob); + rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); + assert_se(rrsig->rrsig.signature); + + log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); + + dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); + assert_se(dnskey); + + dnskey->dnskey.flags = 256; + dnskey->dnskey.protocol = 3; + dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; + dnskey->dnskey.key_size = sizeof(dnskey_blob); + dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); + assert_se(dnskey->dnskey.key); + + log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); + log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); + + assert_se(dnssec_key_match_rrsig(nsec->key, rrsig) > 0); + assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); + + answer = dns_answer_new(1); + assert_se(answer); + assert_se(dns_answer_add(answer, nsec, 0, DNS_ANSWER_AUTHENTICATED) >= 0); + + /* Validate the RR as it if was 2015-12-11 today */ + assert_se(dnssec_verify_rrset(answer, nsec->key, rrsig, dnskey, 1449849318*USEC_PER_SEC, &result) >= 0); + assert_se(result == DNSSEC_VALIDATED); +} static void test_dnssec_verify_rrset(void) { @@ -55,7 +148,6 @@ static void test_dnssec_verify_rrset(void) { _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *a = NULL, *rrsig = NULL, *dnskey = NULL; _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; - _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL; DnssecResult result; a = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "nAsA.gov"); @@ -63,8 +155,7 @@ static void test_dnssec_verify_rrset(void) { a->a.in_addr.s_addr = inet_addr("52.0.14.116"); - assert_se(dns_resource_record_to_string(a, &x) >= 0); - log_info("A: %s", x); + log_info("A: %s", strna(dns_resource_record_to_string(a))); rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); assert_se(rrsig); @@ -82,8 +173,7 @@ static void test_dnssec_verify_rrset(void) { rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); assert_se(rrsig->rrsig.signature); - assert_se(dns_resource_record_to_string(rrsig, &y) >= 0); - log_info("RRSIG: %s", y); + log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); assert_se(dnskey); @@ -95,16 +185,15 @@ static void test_dnssec_verify_rrset(void) { dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); assert_se(dnskey->dnskey.key); - assert_se(dns_resource_record_to_string(dnskey, &z) >= 0); - log_info("DNSKEY: %s", z); - log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey)); + log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); + log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); assert_se(dnssec_key_match_rrsig(a->key, rrsig) > 0); - assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey) > 0); + assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); answer = dns_answer_new(1); assert_se(answer); - assert_se(dns_answer_add(answer, a, 0) >= 0); + assert_se(dns_answer_add(answer, a, 0, DNS_ANSWER_AUTHENTICATED) >= 0); /* Validate the RR as it if was 2015-12-2 today */ assert_se(dnssec_verify_rrset(answer, a->key, rrsig, dnskey, 1449092754*USEC_PER_SEC, &result) >= 0); @@ -142,7 +231,6 @@ static void test_dnssec_verify_dns_key(void) { }; _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds1 = NULL, *ds2 = NULL; - _cleanup_free_ char *a = NULL, *b = NULL, *c = NULL; /* The two DS RRs in effect for nasa.gov on 2015-12-01. */ ds1 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "nasa.gov"); @@ -155,8 +243,7 @@ static void test_dnssec_verify_dns_key(void) { ds1->ds.digest = memdup(ds1_fprint, ds1->ds.digest_size); assert_se(ds1->ds.digest); - assert_se(dns_resource_record_to_string(ds1, &a) >= 0); - log_info("DS1: %s", a); + log_info("DS1: %s", strna(dns_resource_record_to_string(ds1))); ds2 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "NASA.GOV"); assert_se(ds2); @@ -168,8 +255,7 @@ static void test_dnssec_verify_dns_key(void) { ds2->ds.digest = memdup(ds2_fprint, ds2->ds.digest_size); assert_se(ds2->ds.digest); - assert_se(dns_resource_record_to_string(ds2, &b) >= 0); - log_info("DS2: %s", b); + log_info("DS2: %s", strna(dns_resource_record_to_string(ds2))); dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nasa.GOV"); assert_se(dnskey); @@ -181,12 +267,11 @@ static void test_dnssec_verify_dns_key(void) { dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); assert_se(dnskey->dnskey.key); - assert_se(dns_resource_record_to_string(dnskey, &c) >= 0); - log_info("DNSKEY: %s", c); - log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey)); + log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); + log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); - assert_se(dnssec_verify_dnskey(dnskey, ds1) > 0); - assert_se(dnssec_verify_dnskey(dnskey, ds2) > 0); + assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds1, false) > 0); + assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds2, false) > 0); } static void test_dnssec_canonicalize_one(const char *original, const char *canonical, int r) { @@ -209,11 +294,45 @@ static void test_dnssec_canonicalize(void) { test_dnssec_canonicalize_one("FOO..bar.", NULL, -EINVAL); } +static void test_dnssec_nsec3_hash(void) { + static const uint8_t salt[] = { 0xB0, 0x1D, 0xFA, 0xCE }; + static const uint8_t next_hashed_name[] = { 0x84, 0x10, 0x26, 0x53, 0xc9, 0xfa, 0x4d, 0x85, 0x6c, 0x97, 0x82, 0xe2, 0x8f, 0xdf, 0x2d, 0x5e, 0x87, 0x69, 0xc4, 0x52 }; + _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL; + uint8_t h[DNSSEC_HASH_SIZE_MAX]; + _cleanup_free_ char *b = NULL; + int k; + + /* The NSEC3 RR for eurid.eu on 2015-12-14. */ + rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC3, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM.eurid.eu."); + assert_se(rr); + + rr->nsec3.algorithm = DNSSEC_DIGEST_SHA1; + rr->nsec3.flags = 1; + rr->nsec3.iterations = 1; + rr->nsec3.salt = memdup(salt, sizeof(salt)); + assert_se(rr->nsec3.salt); + rr->nsec3.salt_size = sizeof(salt); + rr->nsec3.next_hashed_name = memdup(next_hashed_name, sizeof(next_hashed_name)); + assert_se(rr->nsec3.next_hashed_name); + rr->nsec3.next_hashed_name_size = sizeof(next_hashed_name); + + log_info("NSEC3: %s", strna(dns_resource_record_to_string(rr))); + + k = dnssec_nsec3_hash(rr, "eurid.eu", &h); + assert_se(k >= 0); + + b = base32hexmem(h, k, false); + assert_se(b); + assert_se(strcasecmp(b, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM") == 0); +} + int main(int argc, char*argv[]) { test_dnssec_canonicalize(); test_dnssec_verify_dns_key(); test_dnssec_verify_rrset(); + test_dnssec_verify_rrset2(); + test_dnssec_nsec3_hash(); return 0; } |