#include "util.h"
#ifdef ENABLE_DEBUG_HASHMAP
+#include <pthread.h>
#include "list.h"
#endif
unreliable enough, so let's not do any additional guesswork
on top of that.
- See the SMBIOS Specification 4.0 section 7.4.1 for
+ See the SMBIOS Specification 3.0 section 7.4.1 for
details about the values listed here:
https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf
#include "alloc-util.h"
#include "dns-domain.h"
#include "resolved-dns-answer.h"
+#include "resolved-dns-dnssec.h"
#include "string-util.h"
DnsAnswer *dns_answer_new(unsigned n) {
#include "alloc-util.h"
#include "dns-domain.h"
+#include "hexdecoct.h"
#include "resolved-dns-dnssec.h"
#include "resolved-dns-packet.h"
#include "string-table.h"
* - multi-label zone compatibility
* - DNSSEC cname/dname compatibility
* - per-interface DNSSEC setting
+ * - retry on failed validation
+ * - fix TTL for cache entries to match RRSIG TTL
* - DSA support
* - EC support?
*
* Normal RR → RRSIG/DNSKEY+ → DS → RRSIG/DNSKEY+ → DS → ... → DS → RRSIG/DNSKEY+ → DS
*/
+static void initialize_libgcrypt(void) {
+ const char *p;
+
+ if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P))
+ return;
+
+ p = gcry_check_version("1.4.5");
+ assert(p);
+
+ gcry_control(GCRYCTL_DISABLE_SECMEM);
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+}
+
static bool dnssec_algorithm_supported(int algorithm) {
return IN_SET(algorithm,
DNSSEC_ALGORITHM_RSASHA1,
DNSSEC_ALGORITHM_RSASHA512);
}
-static bool dnssec_digest_supported(int digest) {
- return IN_SET(digest,
- DNSSEC_DIGEST_SHA1,
- DNSSEC_DIGEST_SHA256);
-}
-
uint16_t dnssec_keytag(DnsResourceRecord *dnskey) {
const uint8_t *p;
uint32_t sum;
/* Bring the RRs into canonical order */
qsort_safe(list, n, sizeof(DnsResourceRecord*), rr_compare);
+ initialize_libgcrypt();
+
/* OK, the RRs are now in canonical order. Let's calculate the digest */
switch (rrsig->rrsig.algorithm) {
return (int) c;
}
+static int digest_to_gcrypt(uint8_t algorithm) {
+
+ /* Translates a DNSSEC digest algorithm into a gcrypt digest iedntifier */
+
+ switch (algorithm) {
+
+ case DNSSEC_DIGEST_SHA1:
+ return GCRY_MD_SHA1;
+
+ case DNSSEC_DIGEST_SHA256:
+ return GCRY_MD_SHA256;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
int dnssec_verify_dnskey(DnsResourceRecord *dnskey, DnsResourceRecord *ds) {
- gcry_md_hd_t md = NULL;
char owner_name[DNSSEC_CANONICAL_HOSTNAME_MAX];
+ gcry_md_hd_t md = NULL;
+ size_t hash_size;
+ int algorithm;
void *result;
int r;
if (dnssec_keytag(dnskey) != ds->ds.key_tag)
return 0;
- if (!dnssec_digest_supported(ds->ds.digest_type))
- return -EOPNOTSUPP;
-
- switch (ds->ds.digest_type) {
-
- case DNSSEC_DIGEST_SHA1:
-
- if (ds->ds.digest_size != 20)
- return 0;
+ initialize_libgcrypt();
- gcry_md_open(&md, GCRY_MD_SHA1, 0);
- break;
+ algorithm = digest_to_gcrypt(ds->ds.digest_type);
+ if (algorithm < 0)
+ return algorithm;
- case DNSSEC_DIGEST_SHA256:
+ hash_size = gcry_md_get_algo_dlen(algorithm);
+ assert(hash_size > 0);
- if (ds->ds.digest_size != 32)
- return 0;
-
- gcry_md_open(&md, GCRY_MD_SHA256, 0);
- break;
+ if (ds->ds.digest_size != hash_size)
+ return 0;
- default:
- assert_not_reached("Unknown digest");
- }
+ r = dnssec_canonicalize(DNS_RESOURCE_KEY_NAME(dnskey->key), owner_name, sizeof(owner_name));
+ if (r < 0)
+ return r;
+ gcry_md_open(&md, algorithm, 0);
if (!md)
return -EIO;
- r = dnssec_canonicalize(DNS_RESOURCE_KEY_NAME(dnskey->key), owner_name, sizeof(owner_name));
- if (r < 0)
- goto finish;
-
gcry_md_write(md, owner_name, r);
md_add_uint16(md, dnskey->dnskey.flags);
md_add_uint8(md, dnskey->dnskey.protocol);
return 0;
}
+int dnssec_nsec3_hash(DnsResourceRecord *nsec3, const char *name, void *ret) {
+ uint8_t wire_format[DNS_WIRE_FOMAT_HOSTNAME_MAX];
+ gcry_md_hd_t md = NULL;
+ size_t hash_size;
+ int algorithm;
+ void *result;
+ unsigned k;
+ int r;
+
+ assert(nsec3);
+ assert(name);
+ assert(ret);
+
+ if (nsec3->key->type != DNS_TYPE_NSEC3)
+ return -EINVAL;
+
+ algorithm = digest_to_gcrypt(nsec3->nsec3.algorithm);
+ if (algorithm < 0)
+ return algorithm;
+
+ initialize_libgcrypt();
+
+ hash_size = gcry_md_get_algo_dlen(algorithm);
+ assert(hash_size > 0);
+
+ if (nsec3->nsec3.next_hashed_name_size != hash_size)
+ return -EINVAL;
+
+ r = dns_name_to_wire_format(name, wire_format, sizeof(wire_format), true);
+ if (r < 0)
+ return r;
+
+ gcry_md_open(&md, algorithm, 0);
+ if (!md)
+ return -EIO;
+
+ gcry_md_write(md, wire_format, r);
+ gcry_md_write(md, nsec3->nsec3.salt, nsec3->nsec3.salt_size);
+
+ result = gcry_md_read(md, 0);
+ if (!result) {
+ r = -EIO;
+ goto finish;
+ }
+
+ for (k = 0; k < nsec3->nsec3.iterations; k++) {
+ uint8_t tmp[hash_size];
+ memcpy(tmp, result, hash_size);
+
+ gcry_md_reset(md);
+ gcry_md_write(md, tmp, hash_size);
+ gcry_md_write(md, nsec3->nsec3.salt, nsec3->nsec3.salt_size);
+
+ result = gcry_md_read(md, 0);
+ if (!result) {
+ r = -EIO;
+ goto finish;
+ }
+ }
+
+ memcpy(ret, result, hash_size);
+ r = (int) hash_size;
+
+finish:
+ gcry_md_close(md);
+ return r;
+}
+
+int dnssec_test_nsec(DnsAnswer *answer, DnsResourceKey *key, DnssecNsecResult *result) {
+ DnsResourceRecord *rr;
+ int r;
+
+ assert(key);
+ assert(result);
+
+ /* Look for any NSEC/NSEC3 RRs that say something about the specified key. */
+
+ DNS_ANSWER_FOREACH(rr, answer) {
+
+ if (rr->key->class != key->class)
+ continue;
+
+ switch (rr->key->type) {
+
+ case DNS_TYPE_NSEC:
+
+ r = dns_name_equal(DNS_RESOURCE_KEY_NAME(rr->key), DNS_RESOURCE_KEY_NAME(key));
+ if (r < 0)
+ return r;
+ if (r > 0) {
+ *result = bitmap_isset(rr->nsec.types, key->type) ? DNSSEC_NSEC_FOUND : DNSSEC_NSEC_NODATA;
+ return 0;
+ }
+
+ r = dns_name_between(DNS_RESOURCE_KEY_NAME(rr->key), DNS_RESOURCE_KEY_NAME(key), rr->nsec.next_domain_name);
+ if (r < 0)
+ return r;
+ if (r > 0) {
+ *result = DNSSEC_NSEC_NXDOMAIN;
+ return 0;
+ }
+ break;
+
+ case DNS_TYPE_NSEC3: {
+ _cleanup_free_ void *decoded = NULL;
+ size_t decoded_size;
+ char label[DNS_LABEL_MAX];
+ uint8_t hashed[DNSSEC_HASH_SIZE_MAX];
+ int label_length, c, q;
+ const char *p;
+ bool covered;
+
+ /* RFC 5155, Section 8.2 says we MUST ignore NSEC3 RRs with flags != 0 or 1 */
+ if (!IN_SET(rr->nsec3.flags, 0, 1))
+ continue;
+
+ p = DNS_RESOURCE_KEY_NAME(rr->key);
+ label_length = dns_label_unescape(&p, label, sizeof(label));
+ if (label_length < 0)
+ return label_length;
+ if (label_length == 0)
+ continue;
+
+ r = dns_name_endswith(DNS_RESOURCE_KEY_NAME(key), p);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ continue;
+
+ r = unbase32hexmem(label, label_length, false, &decoded, &decoded_size);
+ if (r == -EINVAL)
+ continue;
+ if (r < 0)
+ return r;
+
+ if (decoded_size != rr->nsec3.next_hashed_name_size)
+ continue;
+
+ c = memcmp(decoded, rr->nsec3.next_hashed_name, decoded_size);
+ if (c == 0)
+ continue;
+
+ r = dnssec_nsec3_hash(rr, DNS_RESOURCE_KEY_NAME(key), hashed);
+ /* RFC 5155, Section 8.1 says we MUST ignore NSEC3 RRs with unknown algorithms */
+ if (r == -EOPNOTSUPP)
+ continue;
+ if (r < 0)
+ return r;
+ if ((size_t) r != decoded_size)
+ continue;
+
+ r = memcmp(decoded, hashed, decoded_size);
+ if (r == 0) {
+ *result = bitmap_isset(rr->nsec3.types, key->type) ? DNSSEC_NSEC_FOUND : DNSSEC_NSEC_NODATA;
+ return 0;
+ }
+
+ q = memcmp(hashed, rr->nsec3.next_hashed_name, decoded_size);
+
+ covered = c < 0 ?
+ r < 0 && q < 0 :
+ q < 0 || r < 0;
+
+ if (covered) {
+ *result = DNSSEC_NSEC_NXDOMAIN;
+ return 0;
+ }
+
+ break;
+ }
+
+ default:
+ break;
+ }
+ }
+
+ /* No approproate NSEC RR found, report this. */
+ *result = DNSSEC_NSEC_NO_RR;
+ return 0;
+}
+
static const char* const dnssec_mode_table[_DNSSEC_MODE_MAX] = {
[DNSSEC_NO] = "no",
[DNSSEC_TRUST] = "trust",
[DNSSEC_MISSING_KEY] = "missing-key",
[DNSSEC_UNSIGNED] = "unsigned",
[DNSSEC_FAILED_AUXILIARY] = "failed-auxiliary",
+ [DNSSEC_NSEC_MISMATCH] = "nsec-mismatch",
};
DEFINE_STRING_TABLE_LOOKUP(dnssec_result, DnssecResult);
/* These two are added by the DnsTransaction logic */
DNSSEC_UNSIGNED,
DNSSEC_FAILED_AUXILIARY,
+ DNSSEC_NSEC_MISMATCH,
_DNSSEC_RESULT_MAX,
_DNSSEC_RESULT_INVALID = -1
};
#define DNSSEC_CANONICAL_HOSTNAME_MAX (DNS_HOSTNAME_MAX + 2)
+/* The longest digest we'll ever generate, of all digest algorithms we support */
+#define DNSSEC_HASH_SIZE_MAX (MAX(20, 32))
+
int dnssec_rrsig_match_dnskey(DnsResourceRecord *rrsig, DnsResourceRecord *dnskey);
int dnssec_key_match_rrsig(DnsResourceKey *key, DnsResourceRecord *rrsig);
int dnssec_canonicalize(const char *n, char *buffer, size_t buffer_max);
+int dnssec_nsec3_hash(DnsResourceRecord *nsec3, const char *name, void *ret);
+
+typedef enum DnssecNsecResult {
+ DNSSEC_NSEC_NO_RR, /* No suitable NSEC/NSEC3 RR found */
+ DNSSEC_NSEC_NXDOMAIN,
+ DNSSEC_NSEC_NODATA,
+ DNSSEC_NSEC_FOUND,
+} DnssecNsecResult;
+
+int dnssec_test_nsec(DnsAnswer *answer, DnsResourceKey *key, DnssecNsecResult *result);
+
const char* dnssec_mode_to_string(DnssecMode m) _const_;
DnssecMode dnssec_mode_from_string(const char *s) _pure_;
h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0 /* qr */,
0 /* opcode */,
0 /* c */,
- 0/* tc */,
+ 0 /* tc */,
0 /* t */,
0 /* ra */,
0 /* ad */,
return 0;
}
-int dns_packet_append_label(DnsPacket *p, const char *d, size_t l, size_t *start) {
+int dns_packet_append_label(DnsPacket *p, const char *d, size_t l, bool canonical_candidate, size_t *start) {
uint8_t *w;
int r;
+ /* Append a label to a packet. Optionally, does this in DNSSEC
+ * canonical form, if this label is marked as a candidate for
+ * it, and the canonical form logic is enabled for the
+ * packet */
+
assert(p);
assert(d);
*(w++) = (uint8_t) l;
- if (p->canonical_form) {
+ if (p->canonical_form && canonical_candidate) {
size_t i;
/* Generate in canonical form, as defined by DNSSEC
DnsPacket *p,
const char *name,
bool allow_compression,
+ bool canonical_candidate,
size_t *start) {
size_t saved_size;
if (k > 0)
r = k;
- r = dns_packet_append_label(p, label, r, &n);
+ r = dns_packet_append_label(p, label, r, canonical_candidate, &n);
if (r < 0)
goto fail;
saved_size = p->size;
- r = dns_packet_append_name(p, DNS_RESOURCE_KEY_NAME(k), true, NULL);
+ r = dns_packet_append_name(p, DNS_RESOURCE_KEY_NAME(k), true, true, NULL);
if (r < 0)
goto fail;
return r;
}
-static int dns_packet_append_type_window(DnsPacket *p, uint8_t window, uint8_t length, uint8_t *types, size_t *start) {
+static int dns_packet_append_type_window(DnsPacket *p, uint8_t window, uint8_t length, const uint8_t *types, size_t *start) {
size_t saved_size;
int r;
}
window = n >> 8;
-
entry = n & 255;
bitmaps[entry / 8] |= 1 << (7 - (entry % 8));
}
- r = dns_packet_append_type_window(p, window, entry / 8 + 1, bitmaps, NULL);
- if (r < 0)
- goto fail;
+ if (bitmaps[entry / 8] != 0) {
+ r = dns_packet_append_type_window(p, window, entry / 8 + 1, bitmaps, NULL);
+ if (r < 0)
+ goto fail;
+ }
if (start)
*start = saved_size;
if (r < 0)
goto fail;
- r = dns_packet_append_name(p, rr->srv.name, true, NULL);
+ r = dns_packet_append_name(p, rr->srv.name, true, false, NULL);
break;
case DNS_TYPE_PTR:
case DNS_TYPE_NS:
case DNS_TYPE_CNAME:
case DNS_TYPE_DNAME:
- r = dns_packet_append_name(p, rr->ptr.name, true, NULL);
+ r = dns_packet_append_name(p, rr->ptr.name, true, false, NULL);
break;
case DNS_TYPE_HINFO:
break;
case DNS_TYPE_SOA:
- r = dns_packet_append_name(p, rr->soa.mname, true, NULL);
+ r = dns_packet_append_name(p, rr->soa.mname, true, false, NULL);
if (r < 0)
goto fail;
- r = dns_packet_append_name(p, rr->soa.rname, true, NULL);
+ r = dns_packet_append_name(p, rr->soa.rname, true, false, NULL);
if (r < 0)
goto fail;
if (r < 0)
goto fail;
- r = dns_packet_append_name(p, rr->mx.exchange, true, NULL);
+ r = dns_packet_append_name(p, rr->mx.exchange, true, false, NULL);
break;
case DNS_TYPE_LOC:
if (r < 0)
goto fail;
- r = dns_packet_append_name(p, rr->rrsig.signer, false, NULL);
+ r = dns_packet_append_name(p, rr->rrsig.signer, false, true, NULL);
if (r < 0)
goto fail;
break;
case DNS_TYPE_NSEC:
- r = dns_packet_append_name(p, rr->nsec.next_domain_name, false, NULL);
+ r = dns_packet_append_name(p, rr->nsec.next_domain_name, false, false, NULL);
if (r < 0)
goto fail;
case DNS_TYPE_NSEC: {
/*
- * RFC6762, section 18.14 explicly states mDNS should use name compression.
+ * RFC6762, section 18.14 explictly states mDNS should use name compression.
* This contradicts RFC3845, section 2.1.1
*/
int dns_packet_append_uint32(DnsPacket *p, uint32_t v, size_t *start);
int dns_packet_append_string(DnsPacket *p, const char *s, size_t *start);
int dns_packet_append_raw_string(DnsPacket *p, const void *s, size_t size, size_t *start);
-int dns_packet_append_label(DnsPacket *p, const char *s, size_t l, size_t *start);
-int dns_packet_append_name(DnsPacket *p, const char *name, bool allow_compression, size_t *start);
+int dns_packet_append_label(DnsPacket *p, const char *s, size_t l, bool canonical_candidate, size_t *start);
+int dns_packet_append_name(DnsPacket *p, const char *name, bool allow_compression, bool canonical_candidate, size_t *start);
int dns_packet_append_key(DnsPacket *p, const DnsResourceKey *key, size_t *start);
int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *start, size_t *rdata_start);
int dns_packet_append_opt_rr(DnsPacket *p, uint16_t max_udp_size, bool edns0_do, size_t *start);
switch (t->state) {
+ case DNS_TRANSACTION_NULL:
+ /* If there's a NULL transaction pending, then
+ * this means not all transactions where
+ * started yet, and we were called from within
+ * the stackframe that is supposed to start
+ * remaining transactions. In this case,
+ * simply claim the candidate is pending. */
+
case DNS_TRANSACTION_PENDING:
case DNS_TRANSACTION_VALIDATING:
/* If there's one transaction currently in
state = t->state;
break;
- case DNS_TRANSACTION_NULL:
- assert_not_reached("Transaction not started?");
-
default:
if (state != DNS_TRANSACTION_SUCCESS)
state = t->state;
if (s->protocol == DNS_PROTOCOL_DNS) {
- /* On classic DNS, lookin up non-address RRs is always
+ /* On classic DNS, looking up non-address RRs is always
* fine. (Specifically, we want to permit looking up
* DNSKEY and DS records on the root and top-level
* domains.) */
assert(t);
assert(t->scope->protocol == DNS_PROTOCOL_MDNS);
- /* Discard any previously prepared packet, so we can start over and coaleasce again */
+ /* Discard any previously prepared packet, so we can start over and coalesce again */
t->sent = dns_packet_unref(t->sent);
r = dns_packet_new_query(&p, t->scope->protocol, 0, false);
/* Check if the specified RR is the "primary" response,
* i.e. either matches the question precisely or is a
- * CNAME/DNAME for it */
+ * CNAME/DNAME for it, or is any kind of NSEC/NSEC3 RR */
+
+ if (IN_SET(rr->key->type, DNS_TYPE_NSEC, DNS_TYPE_NSEC3))
+ return 1;
r = dns_resource_key_match_rr(t->key, rr, NULL);
if (r != 0)
/* Everything that's now in t->answer is known to be good, hence cacheable. */
t->n_answer_cacheable = (unsigned) -1; /* everything! */
- t->answer_authenticated = true;
- t->dnssec_result = DNSSEC_VALIDATED;
+ /* At this point the answer only contains validated
+ * RRsets. Now, let's see if it actually answers the question
+ * we asked. If so, great! If it doesn't, then see if
+ * NSEC/NSEC3 can prove this. */
+ r = dns_answer_match_key(t->answer, t->key);
+ if (r < 0)
+ return r;
+ if (r > 0) {
+ /* Yes, it answer the question, everything is authenticated. */
+ t->dnssec_result = DNSSEC_VALIDATED;
+ t->answer_rcode = DNS_RCODE_SUCCESS;
+ t->answer_authenticated = true;
+ } else if (r == 0) {
+ DnssecNsecResult nr;
+
+ /* Bummer! Let's check NSEC/NSEC3 */
+ r = dnssec_test_nsec(t->answer, t->key, &nr);
+ if (r < 0)
+ return r;
+
+ switch (nr) {
+
+ case DNSSEC_NSEC_NXDOMAIN:
+ /* NSEC proves the domain doesn't exist. Very good. */
+ t->dnssec_result = DNSSEC_VALIDATED;
+ t->answer_rcode = DNS_RCODE_NXDOMAIN;
+ t->answer_authenticated = true;
+ break;
+
+ case DNSSEC_NSEC_NODATA:
+ /* NSEC proves that there's no data here, very good. */
+ t->dnssec_result = DNSSEC_VALIDATED;
+ t->answer_rcode = DNS_RCODE_SUCCESS;
+ t->answer_authenticated = true;
+ break;
+
+ case DNSSEC_NSEC_NO_RR:
+ /* No NSEC data? Bummer! */
+ t->dnssec_result = DNSSEC_UNSIGNED;
+ break;
+
+ case DNSSEC_NSEC_FOUND:
+ /* NSEC says it needs to be there, but we couldn't find it? Bummer! */
+ t->dnssec_result = DNSSEC_NSEC_MISMATCH;
+ break;
+
+ default:
+ assert_not_reached("Unexpected NSEC result.");
+ }
+ }
+
return 1;
}
#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;
+ _cleanup_free_ char *x = NULL, *y = NULL, *z = 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);
+
+ assert_se(dns_resource_record_to_string(nsec, &x) >= 0);
+ log_info("NSEC: %s", x);
+
+ 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);
+
+ assert_se(dns_resource_record_to_string(rrsig, &y) >= 0);
+ log_info("RRSIG: %s", y);
+
+ 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);
+
+ assert_se(dns_resource_record_to_string(dnskey, &z) >= 0);
+ log_info("DNSKEY: %s", z);
+ log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey));
+
+ assert_se(dnssec_key_match_rrsig(nsec->key, rrsig) > 0);
+ assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey) > 0);
+
+ answer = dns_answer_new(1);
+ assert_se(answer);
+ assert_se(dns_answer_add(answer, nsec, 0) >= 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) {
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;
+ _cleanup_free_ char *a = NULL, *b = NULL;
+ uint8_t h[DNSSEC_HASH_SIZE_MAX];
+ 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);
+
+ assert_se(dns_resource_record_to_string(rr, &a) >= 0);
+ log_info("NSEC3: %s", a);
+
+ 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;
}
[Unit]
Description=Journal Gateway Service
+Documentation=man:systemd-journal-gatewayd(8)
Requires=systemd-journal-gatewayd.socket
[Service]
[Unit]
Description=Journal Gateway Service Socket
+Documentation=man:systemd-journal-gatewayd(8)
[Socket]
ListenStream=19531
[Unit]
Description=Journal Remote Sink Service
+Documentation=man:systemd-journal-remote(8) man:journal-remote.conf(5)
Requires=systemd-journal-remote.socket
[Service]
[Unit]
Description=Journal Remote Upload Service
+Documentation=man:systemd-journal-upload(8)
After=network.target
[Service]
projects / thirdparty / systemd.git / commitdiff
