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Diffstat (limited to '')
| -rw-r--r-- | tests/libdnssec/test_tsig.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/tests/libdnssec/test_tsig.c b/tests/libdnssec/test_tsig.c new file mode 100644 index 0000000..91674be --- /dev/null +++ b/tests/libdnssec/test_tsig.c @@ -0,0 +1,145 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <tap/basic.h> +#include <string.h> + +#include "binary.h" +#include "dname.h" +#include "tsig.h" + +static const dnssec_binary_t payload = { + .size = 40, + .data = (uint8_t []){ + 0xfd, 0x07, 0xca, 0x30, 0xf9, 0xff, 0x38, 0xb1, 0x32, 0x54, + 0xd1, 0x16, 0x24, 0xaa, 0x81, 0x2c, 0x97, 0xa0, 0x7a, 0xac, + 0x68, 0x7a, 0x3a, 0x60, 0xde, 0xc9, 0xf7, 0x7a, 0x5a, 0x58, + 0xff, 0xc9, 0x0c, 0xef, 0x31, 0xc7, 0x45, 0x2c, 0xee, 0x9d, + } +}; + +static const dnssec_binary_t key = { + .size = 16, + .data = (uint8_t []){ + 0xa8, 0x05, 0x9c, 0x5c, 0x20, 0xc5, 0x00, 0x22, 0x6f, 0xad, + 0xf2, 0x55, 0xdf, 0x89, 0x8a, 0x68 + } +}; + +typedef struct hmac { + int algorithm; + const char *name; + const dnssec_binary_t hmac; +} hmac_t; + +static const hmac_t HMACS[] = { + { DNSSEC_TSIG_HMAC_MD5, "md5", { .size = 16, .data = (uint8_t []) { + 0x12, 0x38, 0x17, 0x4f, 0xa9, 0xc7, 0x5b, 0xcf, 0xd7, 0x08, + 0x19, 0x97, 0xf9, 0x3d, 0x5e, 0xe7 + }}}, + { DNSSEC_TSIG_HMAC_SHA1, "sha1", { .size = 20, .data = (uint8_t []) { + 0xb8, 0x18, 0x2a, 0x5d, 0xf8, 0x2e, 0xa0, 0xb7, 0xcc, 0xcc, + 0xed, 0xc1, 0xaa, 0x34, 0xeb, 0x92, 0x48, 0xf9, 0x65, 0x7b + }}}, + { DNSSEC_TSIG_HMAC_SHA224, "sha224", { .size = 28, .data = (uint8_t []) { + 0xb7, 0x43, 0xcd, 0x0d, 0x9d, 0x51, 0x8c, 0x61, 0xc6, 0x43, + 0x98, 0x73, 0x5c, 0x16, 0x01, 0x1b, 0xfc, 0x82, 0xe9, 0x99, + 0xc2, 0x21, 0xde, 0x16, 0xb1, 0x94, 0x2d, 0xd5 + }}}, + { DNSSEC_TSIG_HMAC_SHA256, "sha256", { .size = 32, .data = (uint8_t []) { + 0x16, 0x5e, 0xf6, 0xed, 0x9b, 0x1a, 0xe5, 0x67, 0x58, 0x7b, + 0xf1, 0x35, 0x9e, 0x59, 0xbd, 0x50, 0x6d, 0x72, 0xf8, 0x87, + 0x0e, 0x22, 0xda, 0x65, 0x00, 0xd6, 0x76, 0x91, 0xde, 0x5f, + 0xec, 0xd8 + }}}, + { DNSSEC_TSIG_HMAC_SHA384, "sha384", { .size = 48, .data = (uint8_t []) { + 0x8a, 0xcf, 0xf3, 0xb7, 0x1c, 0xbe, 0x5c, 0x3e, 0x05, 0x74, + 0x97, 0x46, 0x04, 0x79, 0x3a, 0xe7, 0x8a, 0x5b, 0x7b, 0x12, + 0xca, 0xcd, 0xf2, 0xe2, 0xdf, 0xa9, 0x17, 0xfc, 0x8e, 0x61, + 0xc5, 0x86, 0x3e, 0xdc, 0xad, 0x84, 0x9e, 0x13, 0x0d, 0xa0, + 0x04, 0xb6, 0x6f, 0x7c, 0x85, 0x1b, 0x5c, 0xdf + }}}, + { DNSSEC_TSIG_HMAC_SHA512, "sha512", { .size = 64, .data = (uint8_t []) { + 0xc3, 0x41, 0xd0, 0x96, 0x50, 0xd7, 0xf7, 0xfd, 0x59, 0x73, + 0xde, 0xd6, 0xc7, 0x4c, 0xda, 0xf1, 0x5d, 0xe1, 0x59, 0x34, + 0x79, 0xdc, 0x93, 0x23, 0xcb, 0xf2, 0x1f, 0x25, 0x4e, 0x35, + 0xb0, 0xd0, 0x9f, 0xfc, 0x22, 0xf1, 0xea, 0xbf, 0x9c, 0x18, + 0xd8, 0xcc, 0xcd, 0xb6, 0xb1, 0x4a, 0x06, 0x09, 0xc4, 0x3f, + 0x28, 0x93, 0x71, 0xd6, 0xca, 0xce, 0xf3, 0xa6, 0x08, 0x38, + 0xe3, 0x99, 0xc1, 0xb2 + }}}, + { 0 } +}; + +static void test_lookup_dname(const uint8_t *dname, int algorithm) +{ + dnssec_tsig_algorithm_t alg = dnssec_tsig_algorithm_from_dname(dname); + const char *name = dnssec_tsig_algorithm_to_name(algorithm); + if (name == NULL) name = "invalid"; + ok(alg == algorithm, "dnssec_tsig_algorithm_from_dname(%s)", name); + + const uint8_t *reverse = dnssec_tsig_algorithm_to_dname(algorithm); + ok((algorithm == DNSSEC_TSIG_UNKNOWN && reverse == NULL) || + (algorithm != DNSSEC_TSIG_UNKNOWN && dname_equal(reverse, dname)), + "dnssec_tsig_algorithm_to_dname(%d)", algorithm); +} + +static void test_lookup_name(const char *name, int algorithm) +{ + ok(dnssec_tsig_algorithm_from_name(name) == algorithm, + "dnssec_tsig_algorithm_from_name(%s)", name); + + const char *reverse = dnssec_tsig_algorithm_to_name(algorithm); + ok((algorithm == DNSSEC_TSIG_UNKNOWN && reverse == NULL) || + (algorithm != DNSSEC_TSIG_UNKNOWN && strcasecmp(reverse, name) == 0), + "dnssec_tsig_algorithm_to_name(%d)", algorithm); +} + +static void test_tsig_hmac(const hmac_t *params) +{ + dnssec_tsig_ctx_t *ctx = NULL; + dnssec_tsig_new(&ctx, params->algorithm, &key); + dnssec_tsig_add(ctx, &payload); + + size_t size = dnssec_tsig_size(ctx); + uint8_t hmac[size]; + dnssec_tsig_write(ctx, hmac); + dnssec_tsig_free(ctx); + + ok(size == params->hmac.size && memcmp(hmac, params->hmac.data, size) == 0, + "dnssec_tsig_write(%s)", params->name); +} + +int main(void) +{ + plan_lazy(); + + test_lookup_dname((uint8_t *)"\x08""HMAC-MD5""\x07""SIG-ALG""\x03""REG""\x03""INT", + DNSSEC_TSIG_HMAC_MD5); + test_lookup_dname((uint8_t *)"\x0B""hmac-sha224", DNSSEC_TSIG_HMAC_SHA224); + test_lookup_dname((uint8_t *)"\x06""foobar", DNSSEC_TSIG_UNKNOWN); + + test_lookup_name("hmac-md5", DNSSEC_TSIG_HMAC_MD5); + test_lookup_name("hmac-sha512", DNSSEC_TSIG_HMAC_SHA512); + test_lookup_name("barfoo", DNSSEC_TSIG_UNKNOWN); + test_lookup_name("hmac-foo", DNSSEC_TSIG_UNKNOWN); + + for (const hmac_t *h = HMACS; h->algorithm != 0; h++) { + test_tsig_hmac(h); + } + + return 0; +} |