Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/lib/fipshmac.c b/lib/fipshmac.c
new file mode 100644
index 0000000..b091572
--- /dev/null
+++ b/lib/fipshmac.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2020-2022 Red Hat, Inc.
+ *
+ * Authors: Ondrej Moris, Zoltan Fridrich
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#include "config.h"
+
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
+#include <dlfcn.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "dirname.h"
+#include "errors.h"
+
+#define FORMAT_VERSION 1
+#define HMAC_SIZE 32
+#define HMAC_ALGO GNUTLS_MAC_SHA256
+#define HMAC_STR_SIZE (2 * HMAC_SIZE + 1)
+
+static int get_path(const char *lib, const char *symbol, char *path, size_t path_size)
+{
+	int ret;
+	void *dl, *sym;
+	Dl_info info;
+
+	dl = dlopen(lib, RTLD_LAZY);
+	if (dl == NULL)
+		return gnutls_assert_val(GNUTLS_E_FILE_ERROR);
+
+	sym = dlsym(dl, symbol);
+	if (sym == NULL) {
+		ret = gnutls_assert_val(GNUTLS_E_FILE_ERROR);
+		goto cleanup;
+	}
+
+	ret = dladdr(sym, &info);
+	if (ret == 0) {
+		ret = gnutls_assert_val(GNUTLS_E_FILE_ERROR);
+		goto cleanup;
+	}
+
+	ret = snprintf(path, path_size, "%s", info.dli_fname);
+	if ((size_t)ret >= path_size) {
+		ret = gnutls_assert_val(GNUTLS_E_SHORT_MEMORY_BUFFER);
+		goto cleanup;
+	}
+
+	ret = 0;
+cleanup:
+	dlclose(dl);
+	return ret;
+}
+
+static int get_hmac(const char *path, char *hmac, size_t hmac_size)
+{
+	int ret;
+	size_t size;
+	uint8_t buffer[HMAC_SIZE];
+	gnutls_datum_t hex = { buffer, sizeof(buffer) };
+	gnutls_datum_t data = { NULL, 0 };
+
+	ret = gnutls_load_file(path, &data);
+	if (ret < 0)
+		return gnutls_assert_val(ret);
+
+	GNUTLS_FIPS140_SET_LAX_MODE();
+	ret = gnutls_hmac_fast(HMAC_ALGO, FIPS_KEY, sizeof(FIPS_KEY) - 1,
+                               data.data, data.size, buffer);
+	GNUTLS_FIPS140_SET_STRICT_MODE();
+
+	gnutls_free(data.data);
+	if (ret < 0)
+		return gnutls_assert_val(ret);
+
+	size = hmac_size;
+	ret = gnutls_hex_encode(&hex, hmac, &size);
+	if (ret < 0)
+		return gnutls_assert_val(ret);
+
+	return 0;
+}
+
+static int print_lib_path(const char *path)
+{
+	int ret;
+	char hmac[HMAC_STR_SIZE];
+
+	ret = get_hmac(path, hmac, sizeof(hmac));
+	if (ret < 0) {
+		fprintf(stderr, "Could not calculate HMAC for %s: %s\n",
+                        last_component(path), gnutls_strerror(ret));
+		return ret;
+	}
+
+	printf("[%s]\n", last_component(path));
+	printf("path = %s\n", path);
+	printf("hmac = %s\n", hmac);
+
+	return 0;
+}
+
+static int print_lib_dl(const char *lib, const char *sym)
+{
+	int ret;
+	char path[GNUTLS_PATH_MAX];
+
+	ret = get_path(lib, sym, path, sizeof(path));
+	if (ret < 0) {
+		fprintf(stderr, "Could not get lib path for %s: %s\n",
+                        lib, gnutls_strerror(ret));
+		return ret;
+	}
+
+	return print_lib_path(path);
+}
+
+int main(int argc, char **argv)
+{
+	int ret;
+
+	if (argc != 1 && argc != 2) {
+		fprintf(stderr, "Usage: %s [gnutls_so_path]\n", last_component(argv[0]));
+		return EXIT_FAILURE;
+	}
+
+	printf("[global]\n");
+	printf("format-version = %d\n", FORMAT_VERSION);
+
+	if (argc == 2)
+		ret = print_lib_path(argv[1]);
+	else
+		ret = print_lib_dl(GNUTLS_LIBRARY_SONAME, "gnutls_global_init");
+	if (ret < 0)
+		return EXIT_FAILURE;
+
+	ret = print_lib_dl(NETTLE_LIBRARY_SONAME, "nettle_aes_set_encrypt_key");
+	if (ret < 0)
+		return EXIT_FAILURE;
+	
+	ret = print_lib_dl(HOGWEED_LIBRARY_SONAME, "nettle_mpz_sizeinbase_256_u");
+	if (ret < 0)
+		return EXIT_FAILURE;
+	
+	ret = print_lib_dl(GMP_LIBRARY_SONAME, "__gmpz_init");
+	if (ret < 0)
+		return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
+}