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2349d7ba57
Also update OBJ_nid2obj.pod to document the possible return values. Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17005)
329 lines
10 KiB
C
329 lines
10 KiB
C
/*
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* Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/asn1.h>
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#include <openssl/pem.h>
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#include "internal/sizes.h"
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#include "crypto/evp.h"
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#include "testutil.h"
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/* Collected arguments */
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static const char *eecert_filename = NULL; /* For test_x509_file() */
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static const char *cacert_filename = NULL; /* For test_x509_file() */
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static const char *pubkey_filename = NULL; /* For test_spki_file() */
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#define ALGORITHMID_NAME "algorithm-id"
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static int test_spki_aid(X509_PUBKEY *pubkey, const char *filename)
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{
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const ASN1_OBJECT *oid;
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X509_ALGOR *alg = NULL;
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EVP_PKEY *pkey = NULL;
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EVP_KEYMGMT *keymgmt = NULL;
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void *keydata = NULL;
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char name[OSSL_MAX_NAME_SIZE] = "";
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unsigned char *algid_legacy = NULL;
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int algid_legacy_len = 0;
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static unsigned char algid_prov[OSSL_MAX_ALGORITHM_ID_SIZE];
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size_t algid_prov_len = 0;
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const OSSL_PARAM *gettable_params = NULL;
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OSSL_PARAM params[] = {
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OSSL_PARAM_octet_string(ALGORITHMID_NAME,
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&algid_prov, sizeof(algid_prov)),
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OSSL_PARAM_END
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};
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int ret = 0;
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if (!TEST_true(X509_PUBKEY_get0_param(NULL, NULL, NULL, &alg, pubkey))
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|| !TEST_ptr(pkey = X509_PUBKEY_get0(pubkey)))
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goto end;
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if (!TEST_int_ge(algid_legacy_len = i2d_X509_ALGOR(alg, &algid_legacy), 0))
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goto end;
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X509_ALGOR_get0(&oid, NULL, NULL, alg);
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if (!TEST_int_gt(OBJ_obj2txt(name, sizeof(name), oid, 0), 0))
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goto end;
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/*
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* We use an internal functions to ensure we have a provided key.
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* Note that |keydata| should not be freed, as it's cached in |pkey|.
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* The |keymgmt|, however, should, as its reference count is incremented
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* in this function.
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*/
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if ((keydata = evp_pkey_export_to_provider(pkey, NULL,
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&keymgmt, NULL)) == NULL) {
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TEST_info("The public key found in '%s' doesn't have provider support."
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" Skipping...",
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filename);
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ret = 1;
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goto end;
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}
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if (!TEST_true(EVP_KEYMGMT_is_a(keymgmt, name))) {
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TEST_info("The AlgorithmID key type (%s) for the public key found in"
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" '%s' doesn't match the key type of the extracted public"
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" key.",
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name, filename);
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ret = 1;
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goto end;
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}
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if (!TEST_ptr(gettable_params = EVP_KEYMGMT_gettable_params(keymgmt))
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|| !TEST_ptr(OSSL_PARAM_locate_const(gettable_params, ALGORITHMID_NAME))) {
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TEST_info("The %s provider keymgmt appears to lack support for algorithm-id."
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" Skipping...",
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name);
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ret = 1;
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goto end;
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}
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algid_prov[0] = '\0';
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if (!TEST_true(evp_keymgmt_get_params(keymgmt, keydata, params)))
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goto end;
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algid_prov_len = params[0].return_size;
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/* We now have all the algorithm IDs we need, let's compare them */
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if (TEST_mem_eq(algid_legacy, algid_legacy_len,
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algid_prov, algid_prov_len))
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ret = 1;
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end:
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EVP_KEYMGMT_free(keymgmt);
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OPENSSL_free(algid_legacy);
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return ret;
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}
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static int test_x509_spki_aid(X509 *cert, const char *filename)
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{
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X509_PUBKEY *pubkey = X509_get_X509_PUBKEY(cert);
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return test_spki_aid(pubkey, filename);
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}
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static int test_x509_sig_aid(X509 *eecert, const char *ee_filename,
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X509 *cacert, const char *ca_filename)
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{
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const ASN1_OBJECT *sig_oid = NULL;
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const X509_ALGOR *alg = NULL;
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int sig_nid = NID_undef, dig_nid = NID_undef, pkey_nid = NID_undef;
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EVP_MD_CTX *mdctx = NULL;
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EVP_PKEY_CTX *pctx = NULL;
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EVP_PKEY *pkey = NULL;
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unsigned char *algid_legacy = NULL;
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int algid_legacy_len = 0;
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static unsigned char algid_prov[OSSL_MAX_ALGORITHM_ID_SIZE];
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size_t algid_prov_len = 0;
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const OSSL_PARAM *gettable_params = NULL;
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OSSL_PARAM params[] = {
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OSSL_PARAM_octet_string("algorithm-id",
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&algid_prov, sizeof(algid_prov)),
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OSSL_PARAM_END
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};
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int ret = 0;
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X509_get0_signature(NULL, &alg, eecert);
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X509_ALGOR_get0(&sig_oid, NULL, NULL, alg);
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if (!TEST_int_eq(X509_ALGOR_cmp(alg, X509_get0_tbs_sigalg(eecert)), 0))
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goto end;
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if (!TEST_int_ne(sig_nid = OBJ_obj2nid(sig_oid), NID_undef)
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|| !TEST_true(OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
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|| !TEST_ptr(pkey = X509_get0_pubkey(cacert)))
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goto end;
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if (!TEST_true(EVP_PKEY_is_a(pkey, OBJ_nid2sn(pkey_nid)))) {
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TEST_info("The '%s' pubkey can't be used to verify the '%s' signature",
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ca_filename, ee_filename);
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TEST_info("Signature algorithm is %s (pkey type %s, hash type %s)",
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OBJ_nid2sn(sig_nid), OBJ_nid2sn(pkey_nid), OBJ_nid2sn(dig_nid));
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TEST_info("Pkey key type is %s", EVP_PKEY_get0_type_name(pkey));
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goto end;
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}
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if (!TEST_int_ge(algid_legacy_len = i2d_X509_ALGOR(alg, &algid_legacy), 0))
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goto end;
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if (!TEST_ptr(mdctx = EVP_MD_CTX_new())
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|| !TEST_true(EVP_DigestVerifyInit_ex(mdctx, &pctx,
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OBJ_nid2sn(dig_nid),
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NULL, NULL, pkey, NULL))) {
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TEST_info("Couldn't initialize a DigestVerify operation with "
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"pkey type %s and hash type %s",
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OBJ_nid2sn(pkey_nid), OBJ_nid2sn(dig_nid));
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goto end;
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}
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if (!TEST_ptr(gettable_params = EVP_PKEY_CTX_gettable_params(pctx))
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|| !TEST_ptr(OSSL_PARAM_locate_const(gettable_params, ALGORITHMID_NAME))) {
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TEST_info("The %s provider keymgmt appears to lack support for algorithm-id"
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" Skipping...",
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OBJ_nid2sn(pkey_nid));
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ret = 1;
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goto end;
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}
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algid_prov[0] = '\0';
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if (!TEST_true(EVP_PKEY_CTX_get_params(pctx, params)))
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goto end;
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algid_prov_len = params[0].return_size;
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/* We now have all the algorithm IDs we need, let's compare them */
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if (TEST_mem_eq(algid_legacy, algid_legacy_len,
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algid_prov, algid_prov_len))
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ret = 1;
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end:
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EVP_MD_CTX_free(mdctx);
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/* pctx is free by EVP_MD_CTX_free() */
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OPENSSL_free(algid_legacy);
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return ret;
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}
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static int test_spki_file(void)
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{
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X509_PUBKEY *pubkey = NULL;
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BIO *b = BIO_new_file(pubkey_filename, "r");
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int ret = 0;
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if (b == NULL) {
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TEST_error("Couldn't open '%s' for reading\n", pubkey_filename);
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TEST_openssl_errors();
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goto end;
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}
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if ((pubkey = PEM_read_bio_X509_PUBKEY(b, NULL, NULL, NULL)) == NULL) {
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TEST_error("'%s' doesn't appear to be a SubjectPublicKeyInfo in PEM format\n",
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pubkey_filename);
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TEST_openssl_errors();
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goto end;
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}
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ret = test_spki_aid(pubkey, pubkey_filename);
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end:
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BIO_free(b);
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X509_PUBKEY_free(pubkey);
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return ret;
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}
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static int test_x509_files(void)
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{
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X509 *eecert = NULL, *cacert = NULL;
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BIO *bee = NULL, *bca = NULL;
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int ret = 0;
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if ((bee = BIO_new_file(eecert_filename, "r")) == NULL) {
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TEST_error("Couldn't open '%s' for reading\n", eecert_filename);
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TEST_openssl_errors();
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goto end;
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}
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if ((bca = BIO_new_file(cacert_filename, "r")) == NULL) {
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TEST_error("Couldn't open '%s' for reading\n", cacert_filename);
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TEST_openssl_errors();
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goto end;
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}
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if ((eecert = PEM_read_bio_X509(bee, NULL, NULL, NULL)) == NULL) {
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TEST_error("'%s' doesn't appear to be a X.509 certificate in PEM format\n",
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eecert_filename);
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TEST_openssl_errors();
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goto end;
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}
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if ((cacert = PEM_read_bio_X509(bca, NULL, NULL, NULL)) == NULL) {
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TEST_error("'%s' doesn't appear to be a X.509 certificate in PEM format\n",
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cacert_filename);
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TEST_openssl_errors();
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goto end;
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}
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ret = test_x509_sig_aid(eecert, eecert_filename, cacert, cacert_filename)
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& test_x509_spki_aid(eecert, eecert_filename)
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& test_x509_spki_aid(cacert, cacert_filename);
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end:
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BIO_free(bee);
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BIO_free(bca);
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X509_free(eecert);
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X509_free(cacert);
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return ret;
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}
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typedef enum OPTION_choice {
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OPT_ERR = -1,
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OPT_EOF = 0,
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OPT_X509,
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OPT_SPKI,
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OPT_TEST_ENUM
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} OPTION_CHOICE;
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const OPTIONS *test_get_options(void)
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{
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static const OPTIONS test_options[] = {
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OPT_TEST_OPTIONS_WITH_EXTRA_USAGE("file...\n"),
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{ "x509", OPT_X509, '-', "Test X.509 certificates. Requires two files" },
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{ "spki", OPT_SPKI, '-', "Test public keys in SubjectPublicKeyInfo form. Requires one file" },
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{ OPT_HELP_STR, 1, '-',
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"file...\tFile(s) to run tests on. All files must be PEM encoded.\n" },
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{ NULL }
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};
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return test_options;
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}
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int setup_tests(void)
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{
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OPTION_CHOICE o;
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int n, x509 = 0, spki = 0, testcount = 0;
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_X509:
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x509 = 1;
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break;
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case OPT_SPKI:
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spki = 1;
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break;
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case OPT_TEST_CASES:
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break;
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default:
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case OPT_ERR:
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return 0;
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}
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}
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/* |testcount| adds all the given test types together */
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testcount = x509 + spki;
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if (testcount < 1)
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BIO_printf(bio_err, "No test type given\n");
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else if (testcount > 1)
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BIO_printf(bio_err, "Only one test type may be given\n");
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if (testcount != 1)
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return 0;
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n = test_get_argument_count();
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if (spki && n == 1) {
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pubkey_filename = test_get_argument(0);
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} else if (x509 && n == 2) {
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eecert_filename = test_get_argument(0);
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cacert_filename = test_get_argument(1);
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}
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if (spki && pubkey_filename == NULL) {
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BIO_printf(bio_err, "Missing -spki argument\n");
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return 0;
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} else if (x509 && (eecert_filename == NULL || cacert_filename == NULL)) {
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BIO_printf(bio_err, "Missing -x509 argument(s)\n");
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return 0;
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}
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if (x509)
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ADD_TEST(test_x509_files);
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if (spki)
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ADD_TEST(test_spki_file);
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return 1;
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}
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