lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | #include <string.h> |
| 11 | #include <openssl/bio.h> |
| 12 | #include <openssl/pem.h> |
| 13 | |
| 14 | #include "testutil.h" |
| 15 | #include "internal/nelem.h" |
| 16 | |
| 17 | typedef struct { |
| 18 | const char *raw; |
| 19 | const char *encoded; |
| 20 | } TESTDATA; |
| 21 | |
| 22 | static TESTDATA b64_pem_data[] = { |
| 23 | { "hello world", |
| 24 | "aGVsbG8gd29ybGQ=" }, |
| 25 | { "a very ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong input", |
| 26 | "YSB2ZXJ5IG9vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29vb29uZyBpbnB1dA==" } |
| 27 | }; |
| 28 | |
| 29 | static const char *pemtype = "PEMTESTDATA"; |
| 30 | |
| 31 | static int test_b64(int idx) |
| 32 | { |
| 33 | BIO *b = BIO_new(BIO_s_mem()); |
| 34 | char *name = NULL, *header = NULL; |
| 35 | unsigned char *data = NULL; |
| 36 | long len; |
| 37 | int ret = 0; |
| 38 | const char *raw = b64_pem_data[idx].raw; |
| 39 | const char *encoded = b64_pem_data[idx].encoded; |
| 40 | |
| 41 | if (!TEST_ptr(b) |
| 42 | || !TEST_true(BIO_printf(b, "-----BEGIN %s-----\n", pemtype)) |
| 43 | || !TEST_true(BIO_printf(b, "%s\n", encoded)) |
| 44 | || !TEST_true(BIO_printf(b, "-----END %s-----\n", pemtype)) |
| 45 | || !TEST_true(PEM_read_bio_ex(b, &name, &header, &data, &len, |
| 46 | PEM_FLAG_ONLY_B64))) |
| 47 | goto err; |
| 48 | if (!TEST_int_eq(memcmp(pemtype, name, strlen(pemtype)), 0) |
| 49 | || !TEST_int_eq(len, strlen(raw)) |
| 50 | || !TEST_int_eq(memcmp(data, raw, strlen(raw)), 0)) |
| 51 | goto err; |
| 52 | ret = 1; |
| 53 | err: |
| 54 | BIO_free(b); |
| 55 | OPENSSL_free(name); |
| 56 | OPENSSL_free(header); |
| 57 | OPENSSL_free(data); |
| 58 | return ret; |
| 59 | } |
| 60 | |
| 61 | static int test_invalid(void) |
| 62 | { |
| 63 | BIO *b = BIO_new(BIO_s_mem()); |
| 64 | char *name = NULL, *header = NULL; |
| 65 | unsigned char *data = NULL; |
| 66 | long len; |
| 67 | const char *encoded = b64_pem_data[0].encoded; |
| 68 | |
| 69 | if (!TEST_ptr(b) |
| 70 | || !TEST_true(BIO_printf(b, "-----BEGIN %s-----\n", pemtype)) |
| 71 | || !TEST_true(BIO_printf(b, "%c%s\n", '\t', encoded)) |
| 72 | || !TEST_true(BIO_printf(b, "-----END %s-----\n", pemtype)) |
| 73 | /* Expected to fail due to non-base64 character */ |
| 74 | || TEST_true(PEM_read_bio_ex(b, &name, &header, &data, &len, |
| 75 | PEM_FLAG_ONLY_B64))) { |
| 76 | BIO_free(b); |
| 77 | return 0; |
| 78 | } |
| 79 | BIO_free(b); |
| 80 | OPENSSL_free(name); |
| 81 | OPENSSL_free(header); |
| 82 | OPENSSL_free(data); |
| 83 | return 1; |
| 84 | } |
| 85 | |
| 86 | static int test_empty_payload(void) |
| 87 | { |
| 88 | BIO *b; |
| 89 | static char *emptypay = |
| 90 | "-----BEGIN CERTIFICATE-----\n" |
| 91 | "-\n" /* Base64 EOF character */ |
| 92 | "-----END CERTIFICATE-----"; |
| 93 | char *name = NULL, *header = NULL; |
| 94 | unsigned char *data = NULL; |
| 95 | long len; |
| 96 | int ret = 0; |
| 97 | |
| 98 | b = BIO_new_mem_buf(emptypay, strlen(emptypay)); |
| 99 | if (!TEST_ptr(b)) |
| 100 | return 0; |
| 101 | |
| 102 | /* Expected to fail because the payload is empty */ |
| 103 | if (!TEST_false(PEM_read_bio_ex(b, &name, &header, &data, &len, 0))) |
| 104 | goto err; |
| 105 | |
| 106 | ret = 1; |
| 107 | err: |
| 108 | OPENSSL_free(name); |
| 109 | OPENSSL_free(header); |
| 110 | OPENSSL_free(data); |
| 111 | BIO_free(b); |
| 112 | return ret; |
| 113 | } |
| 114 | |
| 115 | int setup_tests(void) |
| 116 | { |
| 117 | ADD_ALL_TESTS(test_b64, OSSL_NELEM(b64_pem_data)); |
| 118 | ADD_TEST(test_invalid); |
| 119 | ADD_TEST(test_empty_payload); |
| 120 | return 1; |
| 121 | } |