<<: *build_job
variables:
CC: gcc
- CFLAGS: "${CFLAGS_COMMON} -DOPENSSL_NO_DEPRECATED=1 -DOPENSSL_API_COMPAT=30000"
+ CFLAGS: "${CFLAGS_COMMON}"
# See https://gitlab.isc.org/isc-projects/bind9/-/issues/3444
EXTRA_CONFIGURE: "-Doptimization=3 -Djemalloc=disabled -Dleak-detection=disabled"
RUN_MESON_INSTALL: 1
clang:bookworm:amd64:
variables:
CC: ${CLANG}
- CFLAGS: "${CFLAGS_COMMON} -Wenum-conversion -DOPENSSL_API_COMPAT=10100"
+ CFLAGS: "${CFLAGS_COMMON} -Wenum-conversion"
# See https://gitlab.isc.org/isc-projects/bind9/-/issues/3444
EXTRA_CONFIGURE: "-Djemalloc=disabled -Dleak-detection=disabled"
RUN_MESON_INSTALL: 1
--- /dev/null
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+isc_srcset.add(
+ when: 'HAVE_OPENSSL_3_API',
+ if_true: files('ossl3.c'),
+ if_false: files('ossl1.c'),
+)
--- /dev/null
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/opensslv.h>
+#include <openssl/rand.h>
+#include <openssl/ssl.h>
+
+#include <isc/crypto.h>
+#include <isc/mem.h>
+#include <isc/tls.h>
+#include <isc/util.h>
+
+#ifndef LIBRESSL_VERSION_NUMBER
+static isc_mem_t *isc__crypto_mctx = NULL;
+#endif
+
+EVP_MD *isc__crypto_md5 = NULL;
+EVP_MD *isc__crypto_sha1 = NULL;
+EVP_MD *isc__crypto_sha224 = NULL;
+EVP_MD *isc__crypto_sha256 = NULL;
+EVP_MD *isc__crypto_sha384 = NULL;
+EVP_MD *isc__crypto_sha512 = NULL;
+
+#ifndef LIBRESSL_VERSION_NUMBER
+
+#if ISC_MEM_TRACKLINES
+/*
+ * We use the internal isc__mem API here, so we can pass the file and line
+ * arguments passed from OpenSSL >= 1.1.0 to our memory functions for better
+ * tracking of the OpenSSL allocations. Without this, we would always just see
+ * isc__crypto_{malloc,realloc,free} in the tracking output, but with this in
+ * place we get to see the places in the OpenSSL code where the allocations
+ * happen.
+ */
+
+static void *
+isc__crypto_malloc_ex(size_t size, const char *file, int line) {
+ return isc__mem_allocate(isc__crypto_mctx, size, 0, __func__, file,
+ (unsigned int)line);
+}
+
+static void *
+isc__crypto_realloc_ex(void *ptr, size_t size, const char *file, int line) {
+ return isc__mem_reallocate(isc__crypto_mctx, ptr, size, 0, __func__,
+ file, (unsigned int)line);
+}
+
+static void
+isc__crypto_free_ex(void *ptr, const char *file, int line) {
+ if (ptr == NULL) {
+ return;
+ }
+ if (isc__crypto_mctx != NULL) {
+ isc__mem_free(isc__crypto_mctx, ptr, 0, __func__, file,
+ (unsigned int)line);
+ }
+}
+
+#else /* ISC_MEM_TRACKLINES */
+
+static void *
+isc__crypto_malloc_ex(size_t size, const char *file, int line) {
+ UNUSED(file);
+ UNUSED(line);
+ return isc_mem_allocate(isc__crypto_mctx, size);
+}
+
+static void *
+isc__crypto_realloc_ex(void *ptr, size_t size, const char *file, int line) {
+ UNUSED(file);
+ UNUSED(line);
+ return isc_mem_reallocate(isc__crypto_mctx, ptr, size);
+}
+
+static void
+isc__crypto_free_ex(void *ptr, const char *file, int line) {
+ UNUSED(file);
+ UNUSED(line);
+ if (ptr == NULL) {
+ return;
+ }
+ if (isc__crypto_mctx != NULL) {
+ isc__mem_free(isc__crypto_mctx, ptr, 0);
+ }
+}
+
+#endif /* ISC_MEM_TRACKLINES */
+
+#endif /* !LIBRESSL_VERSION_NUMBER */
+
+#define md_register_algorithm(alg) \
+ do { \
+ isc__crypto_##alg = UNCONST(EVP_##alg()); \
+ if (isc__crypto_##alg == NULL) { \
+ ERR_clear_error(); \
+ } \
+ } while (0)
+
+static isc_result_t
+register_algorithms(void) {
+ if (!isc_crypto_fips_mode()) {
+ md_register_algorithm(md5);
+ }
+
+ md_register_algorithm(sha1);
+ md_register_algorithm(sha224);
+ md_register_algorithm(sha256);
+ md_register_algorithm(sha384);
+ md_register_algorithm(sha512);
+
+ return ISC_R_SUCCESS;
+}
+
+#ifdef HAVE_FIPS_MODE
+bool
+isc_crypto_fips_mode(void) {
+ return FIPS_mode() != 0;
+}
+
+isc_result_t
+isc_crypto_fips_enable(void) {
+ if (isc_crypto_fips_mode()) {
+ return ISC_R_SUCCESS;
+ }
+
+ if (FIPS_mode_set(1) == 0) {
+ return isc_tlserr2result(ISC_LOGCATEGORY_GENERAL,
+ ISC_LOGMODULE_CRYPTO, "FIPS_mode_set",
+ ISC_R_CRYPTOFAILURE);
+ }
+
+ register_algorithms();
+
+ return ISC_R_SUCCESS;
+}
+#else
+bool
+isc_crypto_fips_mode(void) {
+ return false;
+}
+
+isc_result_t
+isc_crypto_fips_enable(void) {
+ return ISC_R_NOTIMPLEMENTED;
+}
+#endif /* HAVE_FIPS_MODE */
+
+#ifndef LIBRESSL_VERSION_NUMBER
+void
+isc__crypto_setdestroycheck(bool check) {
+ isc_mem_setdestroycheck(isc__crypto_mctx, check);
+}
+#else
+void
+isc__crypto_setdestroycheck(bool check) {
+ (void)check;
+}
+#endif /* !LIBRESSL_VERSION_NUMBER */
+
+void
+isc__crypto_initialize(void) {
+#ifndef LIBRESSL_VERSION_NUMBER
+ isc_mem_create("OpenSSL", &isc__crypto_mctx);
+ isc_mem_setdebugging(isc__crypto_mctx, 0);
+ isc_mem_setdestroycheck(isc__crypto_mctx, false);
+ /*
+ * CRYPTO_set_mem_(_ex)_functions() returns 1 on success or 0 on
+ * failure, which means OpenSSL already allocated some memory. There's
+ * nothing we can do about it.
+ */
+ (void)CRYPTO_set_mem_functions(isc__crypto_malloc_ex,
+ isc__crypto_realloc_ex,
+ isc__crypto_free_ex);
+#endif /* LIBRESSL_VERSION_NUMBER */
+
+ /*
+ * The OPENSSL_INIT_NO_ATEXIT flag was introduces with 3.0.0. Otherwise
+ * it can only be found in the form of no-op such as with LibreSSL.
+ *
+ * https://github.com/openssl/openssl/commit/8f6a5c56c17aa89b80fef73875beec53aef1f2c8
+ * https://github.com/libressl/openbsd/commit/da7b0f4bfa71c9b8be4c449be0da83036941e3a2
+ */
+ RUNTIME_CHECK(OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL) == 1);
+
+#ifdef ENABLE_FIPS_MODE
+ if (isc_crypto_fips_enable() != ISC_R_SUCCESS) {
+ ERR_clear_error();
+ FATAL_ERROR("Failed to toggle FIPS mode but is "
+ "required for this build");
+ }
+#endif
+
+ register_algorithms();
+
+ /* Protect ourselves against unseeded PRNG */
+ if (RAND_status() != 1) {
+ FATAL_ERROR("OpenSSL pseudorandom number generator "
+ "cannot be initialized (see the `PRNG not "
+ "seeded' message in the OpenSSL FAQ)");
+ }
+}
+
+void
+isc__crypto_shutdown(void) {
+ OPENSSL_cleanup();
+
+#ifndef LIBRESSL_VERSION_NUMBER
+ isc_mem_detach(&isc__crypto_mctx);
+#endif /* LIBRESSL_VERSION_NUMBER */
+}
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/evp.h>
+#include <openssl/provider.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
-#include <openssl/provider.h>
-#endif /* OPENSSL_VERSION_NUMBER >= 0x30000000L */
-
#include <isc/crypto.h>
-#include <isc/log.h>
#include <isc/mem.h>
#include <isc/tls.h>
#include <isc/util.h>
static isc_mem_t *isc__crypto_mctx = NULL;
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
static OSSL_PROVIDER *base = NULL, *fips = NULL;
-#endif /* OPENSSL_VERSION_NUMBER >= 0x30000000L */
EVP_MD *isc__crypto_md5 = NULL;
EVP_MD *isc__crypto_sha1 = NULL;
EVP_MD *isc__crypto_sha384 = NULL;
EVP_MD *isc__crypto_sha512 = NULL;
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
-#define md_register_algorithm(alg, algname) \
- { \
- REQUIRE(isc__crypto_##alg == NULL); \
- isc__crypto_##alg = EVP_MD_fetch(NULL, algname, NULL); \
- if (isc__crypto_##alg == NULL) { \
- ERR_clear_error(); \
- } \
- }
-
-#define md_unregister_algorithm(alg) \
- { \
- if (isc__crypto_##alg != NULL) { \
- EVP_MD_free(isc__crypto_##alg); \
- isc__crypto_##alg = NULL; \
- } \
- }
-#else /* OPENSSL_VERSION_NUMBER >= 0x30000000L */
-#define md_register_algorithm(alg, algname) \
- { \
- isc__crypto_##alg = EVP_##alg(); \
- if (isc__crypto_##alg == NULL) { \
- ERR_clear_error(); \
- } \
- }
-#define md_unregister_algorithm(alg)
-#endif /* OPENSSL_VERSION_NUMBER >= 0x30000000L */
-
-static isc_result_t
-register_algorithms(void) {
- if (!isc_crypto_fips_mode()) {
- md_register_algorithm(md5, "MD5");
- }
-
- md_register_algorithm(sha1, "SHA1");
- md_register_algorithm(sha224, "SHA224");
- md_register_algorithm(sha256, "SHA256");
- md_register_algorithm(sha384, "SHA384");
- md_register_algorithm(sha512, "SHA512");
-
- return ISC_R_SUCCESS;
-}
-
-static void
-unregister_algorithms(void) {
- md_unregister_algorithm(sha512);
- md_unregister_algorithm(sha384);
- md_unregister_algorithm(sha256);
- md_unregister_algorithm(sha224);
- md_unregister_algorithm(sha1);
- md_unregister_algorithm(md5);
-}
-
-#undef md_unregister_algorithm
-#undef md_register_algorithm
-
-#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x30000000L
-/*
- * This was crippled with LibreSSL, so just skip it:
- * https://cvsweb.openbsd.org/src/lib/libcrypto/Attic/mem.c
- */
-
#if ISC_MEM_TRACKLINES
/*
* We use the internal isc__mem API here, so we can pass the file and line
#endif /* ISC_MEM_TRACKLINES */
-#endif /* !defined(LIBRESSL_VERSION_NUMBER) */
+#define md_register_algorithm(alg, algname) \
+ do { \
+ REQUIRE(isc__crypto_##alg == NULL); \
+ isc__crypto_##alg = EVP_MD_fetch(NULL, algname, NULL); \
+ if (isc__crypto_##alg == NULL) { \
+ ERR_clear_error(); \
+ } \
+ } while (0)
+
+#define md_unregister_algorithm(alg) \
+ do { \
+ if (isc__crypto_##alg != NULL) { \
+ EVP_MD_free(isc__crypto_##alg); \
+ isc__crypto_##alg = NULL; \
+ } \
+ } while (0)
+
+static isc_result_t
+register_algorithms(void) {
+ if (!isc_crypto_fips_mode()) {
+ md_register_algorithm(md5, "MD5");
+ }
+
+ md_register_algorithm(sha1, "SHA1");
+ md_register_algorithm(sha224, "SHA224");
+ md_register_algorithm(sha256, "SHA256");
+ md_register_algorithm(sha384, "SHA384");
+ md_register_algorithm(sha512, "SHA512");
+
+ return ISC_R_SUCCESS;
+}
+
+static void
+unregister_algorithms(void) {
+ md_unregister_algorithm(sha512);
+ md_unregister_algorithm(sha384);
+ md_unregister_algorithm(sha256);
+ md_unregister_algorithm(sha224);
+ md_unregister_algorithm(sha1);
+ md_unregister_algorithm(md5);
+}
+
+#undef md_unregister_algorithm
+#undef md_register_algorithm
-#if defined(HAVE_EVP_DEFAULT_PROPERTIES_ENABLE_FIPS)
bool
isc_crypto_fips_mode(void) {
return EVP_default_properties_is_fips_enabled(NULL) != 0;
return ISC_R_SUCCESS;
}
-#elif defined(HAVE_FIPS_MODE)
-bool
-isc_crypto_fips_mode(void) {
- return FIPS_mode() != 0;
-}
-
-isc_result_t
-isc_crypto_fips_enable(void) {
- if (isc_crypto_fips_mode()) {
- return ISC_R_SUCCESS;
- }
-
- if (FIPS_mode_set(1) == 0) {
- return isc_tlserr2result(ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_CRYPTO, "FIPS_mode_set",
- ISC_R_CRYPTOFAILURE);
- }
-
- unregister_algorithms();
- register_algorithms();
-
- return ISC_R_SUCCESS;
-}
-#else
-bool
-isc_crypto_fips_mode(void) {
- return false;
-}
-
-isc_result_t
-isc_crypto_fips_enable(void) {
- return ISC_R_NOTIMPLEMENTED;
-}
-#endif
void
isc__crypto_setdestroycheck(bool check) {
void
isc__crypto_initialize(void) {
- uint64_t opts = OPENSSL_INIT_LOAD_CONFIG;
+ constexpr uint64_t opts = OPENSSL_INIT_LOAD_CONFIG |
+ OPENSSL_INIT_NO_ATEXIT;
isc_mem_create("OpenSSL", &isc__crypto_mctx);
isc_mem_setdebugging(isc__crypto_mctx, 0);
isc_mem_setdestroycheck(isc__crypto_mctx, false);
-#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x30000000L
- /*
- * CRYPTO_set_mem_(_ex)_functions() returns 1 on success or 0 on
- * failure, which means OpenSSL already allocated some memory. There's
- * nothing we can do about it.
- */
(void)CRYPTO_set_mem_functions(isc__crypto_malloc_ex,
isc__crypto_realloc_ex,
isc__crypto_free_ex);
-#endif /* !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= \
- 0x30000000L */
-
-#if defined(OPENSSL_INIT_NO_ATEXIT)
- /*
- * We call OPENSSL_cleanup() manually, in a correct order, thus disable
- * the automatic atexit() handler.
- */
- opts |= OPENSSL_INIT_NO_ATEXIT;
-#endif
RUNTIME_CHECK(OPENSSL_init_ssl(opts, NULL) == 1);
register_algorithms();
-#if defined(ENABLE_FIPS_MODE)
+#ifdef ENABLE_FIPS_MODE
if (isc_crypto_fips_enable() != ISC_R_SUCCESS) {
ERR_clear_error();
FATAL_ERROR("Failed to toggle FIPS mode but is "
isc__crypto_shutdown(void) {
unregister_algorithms();
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
if (base != NULL) {
OSSL_PROVIDER_unload(base);
}
if (fips != NULL) {
OSSL_PROVIDER_unload(fips);
}
-#endif /* OPENSSL_VERSION_NUMBER >= 0x30000000L */
OPENSSL_cleanup();
# isc_inc += include_directories('include')
isc_inc_p += include_directories('.')
+subdir('crypto')
subdir('netmgr')
isc_srcset.add(
'base64.c',
'commandline.c',
'counter.c',
- 'crypto.c',
'dir.c',
'entropy.c',
'errno.c',
dependency('libssl', version: '>=1.1.1'),
]
-foreach fn, header : {
- 'EVP_default_properties_enable_fips': '#include <openssl/evp.h>',
- 'FIPS_mode': '#include <openssl/crypto.h>',
-}
- if cc.has_function(fn, prefix: header, dependencies: openssl_dep)
- config.set('HAVE_OPENSSL_FIPS_TOGGLE', 1)
- config.set('HAVE_@0@'.format(fn.to_upper()), 1)
+config.set('OPENSSL_NO_DEPRECATED', true)
+
+have_fips_toggle = false
+
+# Forks such as LibreSSL do not care about keeping pkg-config version compatibility
+# with OpenSSL. Thus, we need to probe the provider header so see if it is before or
+# after OpenSSL 3.0.
+if cc.has_header('openssl/provider.h', dependencies: openssl_dep)
+ have_fips_toggle = true
+ config.set('OPENSSL_API_COMPAT', 30000)
+ config.set('HAVE_OPENSSL_3_API', true)
+else
+ config.set('OPENSSL_API_COMPAT', 10100)
+ if cc.has_function(
+ 'FIPS_mode',
+ prefix: '#include <openssl/crypto.h>',
+ dependencies: openssl_dep,
+ )
+ have_fips_toggle = true
+ config.set('HAVE_FIPS_MODE', 1)
endif
-endforeach
+endif
fips_opt.require(
- config.has('HAVE_OPENSSL_FIPS_TOGGLE'),
+ have_fips_toggle,
error_message: 'OpenSSL FIPS mode requested but not available',
)