diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/danetest.c')
| -rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/danetest.c | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/danetest.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/danetest.c new file mode 100644 index 000000000..54a79ab51 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/danetest.c @@ -0,0 +1,430 @@ +/* + * Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <limits.h> +#include <errno.h> + +#include <openssl/crypto.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/ssl.h> +#include <openssl/err.h> +#include <openssl/conf.h> +#ifndef OPENSSL_NO_ENGINE +#include <openssl/engine.h> +#endif +#include "testutil.h" + +#include "internal/nelem.h" + +#define _UC(c) ((unsigned char)(c)) + +static const char *basedomain; +static const char *CAfile; +static const char *tlsafile; + +/* + * Forward declaration, of function that uses internal interfaces, from headers + * included at the end of this module. + */ +static void store_ctx_dane_init(X509_STORE_CTX *, SSL *); + +static int saved_errno; + +static void save_errno(void) +{ + saved_errno = errno; +} + +static int restore_errno(void) +{ + int ret = errno; + errno = saved_errno; + return ret; +} + +static int verify_chain(SSL *ssl, STACK_OF(X509) *chain) +{ + X509_STORE_CTX *store_ctx = NULL; + SSL_CTX *ssl_ctx = NULL; + X509_STORE *store = NULL; + X509 *cert = NULL; + int ret = 0; + int store_ctx_idx = SSL_get_ex_data_X509_STORE_CTX_idx(); + + if (!TEST_ptr(store_ctx = X509_STORE_CTX_new()) + || !TEST_ptr(ssl_ctx = SSL_get_SSL_CTX(ssl)) + || !TEST_ptr(store = SSL_CTX_get_cert_store(ssl_ctx)) + || !TEST_ptr(cert = sk_X509_value(chain, 0)) + || !TEST_true(X509_STORE_CTX_init(store_ctx, store, cert, chain)) + || !TEST_true(X509_STORE_CTX_set_ex_data(store_ctx, store_ctx_idx, + ssl))) + goto end; + + X509_STORE_CTX_set_default(store_ctx, + SSL_is_server(ssl) ? "ssl_client" : "ssl_server"); + X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(store_ctx), + SSL_get0_param(ssl)); + store_ctx_dane_init(store_ctx, ssl); + + if (SSL_get_verify_callback(ssl) != NULL) + X509_STORE_CTX_set_verify_cb(store_ctx, SSL_get_verify_callback(ssl)); + + /* Mask "internal failures" (-1) from our return value. */ + if (!TEST_int_ge(ret = X509_verify_cert(store_ctx), 0)) + ret = 0; + + SSL_set_verify_result(ssl, X509_STORE_CTX_get_error(store_ctx)); + X509_STORE_CTX_cleanup(store_ctx); + +end: + X509_STORE_CTX_free(store_ctx); + return ret; +} + +static STACK_OF(X509) *load_chain(BIO *fp, int nelem) +{ + int count; + char *name = 0; + char *header = 0; + unsigned char *data = 0; + long len; + char *errtype = 0; /* if error: cert or pkey? */ + STACK_OF(X509) *chain; + typedef X509 *(*d2i_X509_t)(X509 **, const unsigned char **, long); + + if (!TEST_ptr(chain = sk_X509_new_null())) + goto err; + + for (count = 0; + count < nelem && errtype == 0 + && PEM_read_bio(fp, &name, &header, &data, &len) == 1; + ++count) { + if (strcmp(name, PEM_STRING_X509) == 0 + || strcmp(name, PEM_STRING_X509_TRUSTED) == 0 + || strcmp(name, PEM_STRING_X509_OLD) == 0) { + d2i_X509_t d = strcmp(name, PEM_STRING_X509_TRUSTED) != 0 + ? d2i_X509_AUX : d2i_X509; + X509 *cert; + const unsigned char *p = data; + + if (!TEST_ptr(cert = d(0, &p, len)) + || !TEST_long_eq(p - data, len)) { + TEST_info("Certificate parsing error"); + goto err; + } + + if (!TEST_true(sk_X509_push(chain, cert))) + goto err; + } else { + TEST_info("Unknown chain file object %s", name); + goto err; + } + + OPENSSL_free(name); + OPENSSL_free(header); + OPENSSL_free(data); + name = header = NULL; + data = NULL; + } + + if (count == nelem) { + ERR_clear_error(); + return chain; + } + +err: + OPENSSL_free(name); + OPENSSL_free(header); + OPENSSL_free(data); + sk_X509_pop_free(chain, X509_free); + return NULL; +} + +static char *read_to_eol(BIO *f) +{ + static char buf[1024]; + int n; + + if (!BIO_gets(f, buf, sizeof(buf))) + return NULL; + + n = strlen(buf); + if (buf[n - 1] != '\n') { + if (n + 1 == sizeof(buf)) + TEST_error("input too long"); + else + TEST_error("EOF before newline"); + return NULL; + } + + /* Trim trailing whitespace */ + while (n > 0 && isspace(_UC(buf[n - 1]))) + buf[--n] = '\0'; + + return buf; +} + +/* + * Hex decoder that tolerates optional whitespace + */ +static ossl_ssize_t hexdecode(const char *in, void *result) +{ + unsigned char **out = (unsigned char **)result; + unsigned char *ret; + unsigned char *cp; + uint8_t byte; + int nibble = 0; + + if (!TEST_ptr(ret = OPENSSL_malloc(strlen(in) / 2))) + return -1; + cp = ret; + + for (byte = 0; *in; ++in) { + int x; + + if (isspace(_UC(*in))) + continue; + x = OPENSSL_hexchar2int(*in); + if (x < 0) { + OPENSSL_free(ret); + return 0; + } + byte |= (char)x; + if ((nibble ^= 1) == 0) { + *cp++ = byte; + byte = 0; + } else { + byte <<= 4; + } + } + if (nibble != 0) { + OPENSSL_free(ret); + return 0; + } + + return cp - (*out = ret); +} + +static ossl_ssize_t checked_uint8(const char *in, void *out) +{ + uint8_t *result = (uint8_t *)out; + const char *cp = in; + char *endp; + long v; + int e; + + save_errno(); + v = strtol(cp, &endp, 10); + e = restore_errno(); + + if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) || + endp == cp || !isspace(_UC(*endp)) || + v != (*(uint8_t *)result = (uint8_t) v)) { + return -1; + } + for (cp = endp; isspace(_UC(*cp)); ++cp) + continue; + return cp - in; +} + +struct tlsa_field { + void *var; + const char *name; + ossl_ssize_t (*parser)(const char *, void *); +}; + +static int tlsa_import_rr(SSL *ssl, const char *rrdata) +{ + static uint8_t usage; + static uint8_t selector; + static uint8_t mtype; + static unsigned char *data = NULL; + static struct tlsa_field tlsa_fields[] = { + { &usage, "usage", checked_uint8 }, + { &selector, "selector", checked_uint8 }, + { &mtype, "mtype", checked_uint8 }, + { &data, "data", hexdecode }, + { NULL, } + }; + int ret; + struct tlsa_field *f; + const char *cp = rrdata; + ossl_ssize_t len = 0; + + for (f = tlsa_fields; f->var; ++f) { + if ((len = f->parser(cp += len, f->var)) <= 0) { + TEST_info("bad TLSA %s field in: %s", f->name, rrdata); + return 0; + } + } + + ret = SSL_dane_tlsa_add(ssl, usage, selector, mtype, data, len); + OPENSSL_free(data); + if (ret == 0) { + TEST_info("unusable TLSA rrdata: %s", rrdata); + return 0; + } + if (ret < 0) { + TEST_info("error loading TLSA rrdata: %s", rrdata); + return 0; + } + + return ret; +} + +static int allws(const char *cp) +{ + while (*cp) + if (!isspace(_UC(*cp++))) + return 0; + return 1; +} + +static int test_tlsafile(SSL_CTX *ctx, const char *base_name, + BIO *f, const char *path) +{ + char *line; + int testno = 0; + int ret = 1; + SSL *ssl; + + while (ret > 0 && (line = read_to_eol(f)) != NULL) { + STACK_OF(X509) *chain; + int ntlsa; + int ncert; + int noncheck; + int want; + int want_depth; + int off; + int i; + int ok; + int err; + int mdpth; + + if (*line == '\0' || *line == '#') + continue; + + ++testno; + if (sscanf(line, "%d %d %d %d %d%n", + &ntlsa, &ncert, &noncheck, &want, &want_depth, &off) != 5 + || !allws(line + off)) { + TEST_error("Malformed line for test %d", testno); + return 0; + } + + if (!TEST_ptr(ssl = SSL_new(ctx))) + return 0; + SSL_set_connect_state(ssl); + if (SSL_dane_enable(ssl, base_name) <= 0) { + SSL_free(ssl); + return 0; + } + if (noncheck) + SSL_dane_set_flags(ssl, DANE_FLAG_NO_DANE_EE_NAMECHECKS); + + for (i = 0; i < ntlsa; ++i) { + if ((line = read_to_eol(f)) == NULL || !tlsa_import_rr(ssl, line)) { + SSL_free(ssl); + return 0; + } + } + + /* Don't report old news */ + ERR_clear_error(); + if (!TEST_ptr(chain = load_chain(f, ncert))) { + SSL_free(ssl); + return 0; + } + + ok = verify_chain(ssl, chain); + sk_X509_pop_free(chain, X509_free); + err = SSL_get_verify_result(ssl); + /* + * Peek under the hood, normally TLSA match data is hidden when + * verification fails, we can obtain any suppressed data by setting the + * verification result to X509_V_OK before looking. + */ + SSL_set_verify_result(ssl, X509_V_OK); + mdpth = SSL_get0_dane_authority(ssl, NULL, NULL); + /* Not needed any more, but lead by example and put the error back. */ + SSL_set_verify_result(ssl, err); + SSL_free(ssl); + + if (!TEST_int_eq(err, want)) { + if (want == X509_V_OK) + TEST_info("Verification failure in test %d: %d=%s", + testno, err, X509_verify_cert_error_string(err)); + else + TEST_info("Unexpected error in test %d", testno); + ret = 0; + continue; + } + if (!TEST_false(want == 0 && ok == 0)) { + TEST_info("Verification failure in test %d: ok=0", testno); + ret = 0; + continue; + } + if (!TEST_int_eq(mdpth, want_depth)) { + TEST_info("In test test %d", testno); + ret = 0; + } + } + ERR_clear_error(); + + return ret; +} + +static int run_tlsatest(void) +{ + SSL_CTX *ctx = NULL; + BIO *f = NULL; + int ret = 0; + + if (!TEST_ptr(f = BIO_new_file(tlsafile, "r")) + || !TEST_ptr(ctx = SSL_CTX_new(TLS_client_method())) + || !TEST_int_gt(SSL_CTX_dane_enable(ctx), 0) + || !TEST_true(SSL_CTX_load_verify_locations(ctx, CAfile, NULL)) + || !TEST_int_gt(SSL_CTX_dane_mtype_set(ctx, EVP_sha512(), 2, 1), + 0) + || !TEST_int_gt(SSL_CTX_dane_mtype_set(ctx, EVP_sha256(), 1, 2), + 0) + || !TEST_int_gt(test_tlsafile(ctx, basedomain, f, tlsafile), 0)) + goto end; + ret = 1; + +end: + BIO_free(f); + SSL_CTX_free(ctx); + + return ret; +} + +int setup_tests(void) +{ + if (!TEST_ptr(basedomain = test_get_argument(0)) + || !TEST_ptr(CAfile = test_get_argument(1)) + || !TEST_ptr(tlsafile = test_get_argument(2))) { + TEST_error("Usage error: danetest basedomain CAfile tlsafile"); + return 0; + } + + ADD_TEST(run_tlsatest); + return 1; +} + +#include "internal/dane.h" + +static void store_ctx_dane_init(X509_STORE_CTX *store_ctx, SSL *ssl) +{ + X509_STORE_CTX_set0_dane(store_ctx, SSL_get0_dane(ssl)); +} |