diff options
Diffstat (limited to 'src/libnm-core-impl/tests/test-crypto.c')
| -rw-r--r-- | src/libnm-core-impl/tests/test-crypto.c | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/src/libnm-core-impl/tests/test-crypto.c b/src/libnm-core-impl/tests/test-crypto.c new file mode 100644 index 00000000..bdbcd0f3 --- /dev/null +++ b/src/libnm-core-impl/tests/test-crypto.c @@ -0,0 +1,455 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Dan Williams <dcbw@redhat.com> + * Copyright (C) 2007 - 2011 Red Hat, Inc. + */ + +#include "libnm-core-impl/nm-default-libnm-core.h" + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> + +#include "nm-crypto-impl.h" +#include "nm-utils.h" +#include "nm-errors.h" +#include "libnm-core-intern/nm-core-internal.h" + +#include "libnm-glib-aux/nm-test-utils.h" + +#define TEST_CERT_DIR NM_BUILD_SRCDIR "/src/libnm-core-impl/tests/certs" + +#if 0 +static const char *pem_rsa_key_begin = "-----BEGIN RSA PRIVATE KEY-----"; +static const char *pem_rsa_key_end = "-----END RSA PRIVATE KEY-----"; + +static const char *pem_dsa_key_begin = "-----BEGIN DSA PRIVATE KEY-----"; +static const char *pem_dsa_key_end = "-----END DSA PRIVATE KEY-----"; + +static void +dump_key_to_pem (const char *key, gsize key_len, int key_type) +{ + char *b64 = NULL; + GString *str = NULL; + const char *start_tag; + const char *end_tag; + char *p; + + switch (key_type) { + case NM_CRYPTO_KEY_TYPE_RSA: + start_tag = pem_rsa_key_begin; + end_tag = pem_rsa_key_end; + break; + case NM_CRYPTO_KEY_TYPE_DSA: + start_tag = pem_dsa_key_begin; + end_tag = pem_dsa_key_end; + break; + default: + g_warning ("Unknown key type %d", key_type); + return; + } + + b64 = g_base64_encode ((const unsigned char *) key, key_len); + if (!b64) { + g_warning ("Couldn't base64 encode the key."); + goto out; + } + + str = g_string_new (NULL); + + g_string_append (str, start_tag); + g_string_append_c (str, '\n'); + + for (p = b64; p < (b64 + strlen (b64)); p += 64) { + g_string_append_len (str, p, strnlen (p, 64)); + g_string_append_c (str, '\n'); + } + + g_string_append (str, end_tag); + g_string_append_c (str, '\n'); + + g_message ("Decrypted private key:\n\n%s", str->str); + +out: + g_free (b64); + if (str) + g_string_free (str, TRUE); +} +#endif + +static void +test_cert(gconstpointer test_data) +{ + gs_free char * path = NULL; + gs_unref_bytes GBytes *cert = NULL; + NMCryptoFileFormat format = NM_CRYPTO_FILE_FORMAT_UNKNOWN; + GError * error = NULL; + gboolean success; + + path = g_build_filename(TEST_CERT_DIR, (const char *) test_data, NULL); + + success = nm_crypto_load_and_verify_certificate(path, &format, &cert, &error); + nmtst_assert_success(success, error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_X509); + + g_assert(nm_utils_file_is_certificate(path)); +} + +static void +test_load_private_key(const char *path, + const char *password, + const char *decrypted_path, + int expected_error) +{ + NMCryptoKeyType key_type = NM_CRYPTO_KEY_TYPE_UNKNOWN; + gboolean is_encrypted = FALSE; + gs_unref_bytes GBytes *array = NULL; + GError * error = NULL; + + g_assert(nm_utils_file_is_private_key(path, &is_encrypted)); + g_assert(is_encrypted); + + array = nmtst_crypto_decrypt_openssl_private_key(path, password, &key_type, &error); + /* Even if the password is wrong, we should determine the key type */ + g_assert_cmpint(key_type, ==, NM_CRYPTO_KEY_TYPE_RSA); + + if (expected_error != -1) { + g_assert(array == NULL); + g_assert_error(error, NM_CRYPTO_ERROR, expected_error); + g_clear_error(&error); + return; + } + + if (password == NULL) { + g_assert(array == NULL); + g_assert_no_error(error); + return; + } + + g_assert(array != NULL); + + if (decrypted_path) { + gs_free char *contents = NULL; + gsize length; + + /* Compare the crypto decrypted key against a known-good decryption */ + if (!g_file_get_contents(decrypted_path, &contents, &length, NULL)) + g_assert_not_reached(); + g_assert(nm_utils_gbytes_equal_mem(array, contents, length)); + } +} + +static void +test_load_pkcs12(const char *path, const char *password, int expected_error) +{ + NMCryptoFileFormat format = NM_CRYPTO_FILE_FORMAT_UNKNOWN; + gboolean is_encrypted = FALSE; + GError * error = NULL; + + g_assert(nm_utils_file_is_private_key(path, NULL)); + + format = nm_crypto_verify_private_key(path, password, &is_encrypted, &error); + if (expected_error != -1) { + g_assert_error(error, NM_CRYPTO_ERROR, expected_error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_UNKNOWN); + g_clear_error(&error); + } else { + g_assert_no_error(error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_PKCS12); + g_assert(is_encrypted); + } +} + +static void +test_load_pkcs12_no_password(const char *path) +{ + NMCryptoFileFormat format = NM_CRYPTO_FILE_FORMAT_UNKNOWN; + gboolean is_encrypted = FALSE; + GError * error = NULL; + + g_assert(nm_utils_file_is_private_key(path, NULL)); + + /* We should still get a valid returned crypto file format */ + format = nm_crypto_verify_private_key(path, NULL, &is_encrypted, &error); + g_assert_no_error(error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_PKCS12); + g_assert(is_encrypted); +} + +static void +test_is_pkcs12(const char *path, gboolean expect_fail) +{ + gboolean is_pkcs12; + GError * error = NULL; + + is_pkcs12 = nm_crypto_is_pkcs12_file(path, &error); + + if (expect_fail) { + g_assert_error(error, NM_CRYPTO_ERROR, NM_CRYPTO_ERROR_INVALID_DATA); + g_assert(!is_pkcs12); + g_clear_error(&error); + } else { + g_assert_no_error(error); + g_assert(is_pkcs12); + } +} + +static void +test_load_pkcs8(const char *path, const char *password, int expected_error) +{ + NMCryptoFileFormat format = NM_CRYPTO_FILE_FORMAT_UNKNOWN; + gboolean is_encrypted = FALSE; + GError * error = NULL; + + g_assert(nm_utils_file_is_private_key(path, NULL)); + + format = nm_crypto_verify_private_key(path, password, &is_encrypted, &error); + if (expected_error != -1) { + g_assert_error(error, NM_CRYPTO_ERROR, expected_error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_UNKNOWN); + g_clear_error(&error); + } else { + g_assert_no_error(error); + g_assert_cmpint(format, ==, NM_CRYPTO_FILE_FORMAT_RAW_KEY); + g_assert(is_encrypted); + } +} + +static void +test_encrypt_private_key(const char *path, const char *password) +{ + NMCryptoKeyType key_type = NM_CRYPTO_KEY_TYPE_UNKNOWN; + gs_unref_bytes GBytes *array = NULL; + gs_unref_bytes GBytes *encrypted = NULL; + gs_unref_bytes GBytes *re_decrypted = NULL; + GError * error = NULL; + + array = nmtst_crypto_decrypt_openssl_private_key(path, password, &key_type, &error); + nmtst_assert_success(array, error); + g_assert_cmpint(key_type, ==, NM_CRYPTO_KEY_TYPE_RSA); + + /* Now re-encrypt the private key */ + encrypted = nmtst_crypto_rsa_key_encrypt(g_bytes_get_data(array, NULL), + g_bytes_get_size(array), + password, + NULL, + &error); + nmtst_assert_success(encrypted, error); + + /* Then re-decrypt the private key */ + key_type = NM_CRYPTO_KEY_TYPE_UNKNOWN; + re_decrypted = nmtst_crypto_decrypt_openssl_private_key_data(g_bytes_get_data(encrypted, NULL), + g_bytes_get_size(encrypted), + password, + &key_type, + &error); + nmtst_assert_success(re_decrypted, error); + g_assert_cmpint(key_type, ==, NM_CRYPTO_KEY_TYPE_RSA); + + /* Compare the original decrypted key with the re-decrypted key */ + g_assert(g_bytes_equal(array, re_decrypted)); +} + +static void +test_key(gconstpointer test_data) +{ + char **parts, *path, *password, *decrypted_path; + int len; + + parts = g_strsplit((const char *) test_data, ", ", -1); + len = g_strv_length(parts); + if (len != 2 && len != 3) + g_error("wrong number of arguments (<key file>, <password>, [<decrypted key file>])"); + + path = g_build_filename(TEST_CERT_DIR, parts[0], NULL); + password = parts[1]; + decrypted_path = parts[2] ? g_build_filename(TEST_CERT_DIR, parts[2], NULL) : NULL; + + test_is_pkcs12(path, TRUE); + test_load_private_key(path, password, decrypted_path, -1); + test_load_private_key(path, "blahblahblah", NULL, NM_CRYPTO_ERROR_DECRYPTION_FAILED); + test_load_private_key(path, NULL, NULL, -1); + test_encrypt_private_key(path, password); + + g_free(path); + g_free(decrypted_path); + g_strfreev(parts); +} + +static void +test_key_decrypted(gconstpointer test_data) +{ + const char *file = (const char *) test_data; + gboolean is_encrypted = FALSE; + char * path; + + path = g_build_filename(TEST_CERT_DIR, file, NULL); + + g_assert(nm_utils_file_is_private_key(path, &is_encrypted)); + g_assert(!is_encrypted); + + g_free(path); +} + +static void +test_pkcs12(gconstpointer test_data) +{ + char **parts, *path, *password; + + parts = g_strsplit((const char *) test_data, ", ", -1); + if (g_strv_length(parts) != 2) + g_error("wrong number of arguments (<file>, <password>)"); + + path = g_build_filename(TEST_CERT_DIR, parts[0], NULL); + password = parts[1]; + + test_is_pkcs12(path, FALSE); + test_load_pkcs12(path, password, -1); + test_load_pkcs12(path, "blahblahblah", NM_CRYPTO_ERROR_DECRYPTION_FAILED); + test_load_pkcs12_no_password(path); + + g_free(path); + g_strfreev(parts); +} + +static void +test_pkcs8(gconstpointer test_data) +{ + char **parts, *path, *password; + + parts = g_strsplit((const char *) test_data, ", ", -1); + if (g_strv_length(parts) != 2) + g_error("wrong number of arguments (<file>, <password>)"); + + path = g_build_filename(TEST_CERT_DIR, parts[0], NULL); + password = parts[1]; + + test_is_pkcs12(path, TRUE); + /* Note: NSS and gnutls < 3.5.4 don't support all the ciphers that openssl + * can use with PKCS#8 and thus the password can't be actually verified with + * such libraries. + */ + test_load_pkcs8(path, password, -1); + + g_free(path); + g_strfreev(parts); +} + +#define SALT "sodium chloride" +#define SHORT_PASSWORD "short" +#define LONG_PASSWORD "this is a longer password than the short one" +#define SHORT_DIGEST 16 +#define LONG_DIGEST 57 + +struct { + const char *salt, *password; + gsize digest_size; + const char *result; +} md5_tests[] = { + {NULL, SHORT_PASSWORD, SHORT_DIGEST, "4f09daa9d95bcb166a302407a0e0babe"}, + {NULL, + SHORT_PASSWORD, + LONG_DIGEST, + "4f09daa9d95bcb166a302407a0e0babeb7d62e5baf706830d007c253f0fe7584ad7e92dc00a599ec277293c298ae7" + "0ee3904c348e23be61c91"}, + {SALT, SHORT_PASSWORD, SHORT_DIGEST, "774771f7292210233b5724991d1f9894"}, + {SALT, + SHORT_PASSWORD, + LONG_DIGEST, + "774771f7292210233b5724991d1f98941a6ffdb45e4dc7fa04b1fa6aceed379c1ade0577bc8f261d109942ed57369" + "21c052664d72e0d5bade9"}, + {NULL, LONG_PASSWORD, SHORT_DIGEST, "e9c03517f81ff29bb777dac21fb1699c"}, + {NULL, + LONG_PASSWORD, + LONG_DIGEST, + "e9c03517f81ff29bb777dac21fb1699c50968c7ccd8db4f0a59d00ffd87b05876d45f25a927d51a8400c35af60fbd" + "64584349a8b7435d62fd9"}, + {SALT, LONG_PASSWORD, SHORT_DIGEST, "4e5c076e2f85f5e03994acbf3a9e10d6"}, + {SALT, + LONG_PASSWORD, + LONG_DIGEST, + "4e5c076e2f85f5e03994acbf3a9e10d61a6969c9fdf47ae8b1f7e2725b3767b05cc974bfcb5344b630c91761e015e" + "09d7794b5065662533bc9"}, + {NULL, "", SHORT_DIGEST, "d41d8cd98f00b204e9800998ecf8427e"}, + {SALT, "", SHORT_DIGEST, "7df1e0494c977195005d82a1809685e4"}, +}; + +static void +test_md5(void) +{ + char digest[LONG_DIGEST], *hex; + int i; + + for (i = 0; i < G_N_ELEMENTS(md5_tests); i++) { + memset(digest, 0, sizeof(digest)); + nm_crypto_md5_hash((const guint8 *) md5_tests[i].salt, + /* nm_crypto_md5_hash() used to clamp salt_len to 8. It + * doesn't any more, so we need to do it here now to + * get output that matches md5_tests[i].result. + */ + md5_tests[i].salt ? 8 : 0, + (const guint8 *) md5_tests[i].password, + strlen(md5_tests[i].password), + (guint8 *) digest, + md5_tests[i].digest_size); + + hex = nm_utils_bin2hexstr(digest, md5_tests[i].digest_size, -1); + g_assert_cmpstr(hex, ==, md5_tests[i].result); + g_free(hex); + } +} + +NMTST_DEFINE(); + +int +main(int argc, char **argv) +{ + GError * error = NULL; + gboolean success; + int ret; + + nmtst_init(&argc, &argv, TRUE); + + success = _nm_crypto_init(&error); + g_assert_no_error(error); + g_assert(success); + + g_test_add_data_func("/libnm/crypto/cert/pem", "test_ca_cert.pem", test_cert); + g_test_add_data_func("/libnm/crypto/cert/pem-2", "test2_ca_cert.pem", test_cert); + g_test_add_data_func("/libnm/crypto/cert/der", "test_ca_cert.der", test_cert); + g_test_add_data_func("/libnm/crypto/cert/pem-no-ending-newline", + "ca-no-ending-newline.pem", + test_cert); + g_test_add_data_func("/libnm/crypto/cert/pem-combined", "test_key_and_cert.pem", test_cert); + g_test_add_data_func("/libnm/crypto/cert/pem-combined-2", "test2_key_and_cert.pem", test_cert); + + g_test_add_data_func("/libnm/crypto/key/padding-6", + "test_key_and_cert.pem, test, test-key-only-decrypted.der", + test_key); + g_test_add_data_func("/libnm/crypto/key/key-only", + "test-key-only.pem, test, test-key-only-decrypted.der", + test_key); + g_test_add_data_func("/libnm/crypto/key/padding-8", + "test2_key_and_cert.pem, 12345testing", + test_key); + g_test_add_data_func("/libnm/crypto/key/aes-128", + "test-aes-128-key.pem, test-aes-password", + test_key); + g_test_add_data_func("/libnm/crypto/key/aes-256", + "test-aes-256-key.pem, test-aes-password", + test_key); + g_test_add_data_func("/libnm/crypto/key/decrypted", + "test-key-only-decrypted.pem", + test_key_decrypted); + + g_test_add_data_func("/libnm/crypto/PKCS#12/1", "test-cert.p12, test", test_pkcs12); + g_test_add_data_func("/libnm/crypto/PKCS#12/2", "test2-cert.p12, 12345testing", test_pkcs12); + + g_test_add_data_func("/libnm/crypto/PKCS#8", "pkcs8-enc-key.pem, 1234567890", test_pkcs8); + + g_test_add_func("/libnm/crypto/md5", test_md5); + + ret = g_test_run(); + + return ret; +} |