| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "src/core/lib/slice/b64.h" |
| |
| #include <string.h> |
| |
| #include <grpc/slice.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/lib/slice/slice_internal.h" |
| #include "test/core/util/test_config.h" |
| |
| static int buffers_are_equal(const unsigned char* buf1, |
| const unsigned char* buf2, size_t size) { |
| size_t i; |
| for (i = 0; i < size; i++) { |
| if (buf1[i] != buf2[i]) { |
| gpr_log(GPR_ERROR, "buf1 and buf2 differ: buf1[%d] = %x vs buf2[%d] = %x", |
| (int)i, buf1[i], (int)i, buf2[i]); |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| static void test_simple_encode_decode_b64(int url_safe, int multiline) { |
| const char* hello = "hello"; |
| char* hello_b64 = |
| grpc_base64_encode(hello, strlen(hello), url_safe, multiline); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_slice hello_slice = grpc_base64_decode(&exec_ctx, hello_b64, url_safe); |
| GPR_ASSERT(GRPC_SLICE_LENGTH(hello_slice) == strlen(hello)); |
| GPR_ASSERT(strncmp((const char*)GRPC_SLICE_START_PTR(hello_slice), hello, |
| GRPC_SLICE_LENGTH(hello_slice)) == 0); |
| |
| grpc_slice_unref_internal(&exec_ctx, hello_slice); |
| grpc_exec_ctx_finish(&exec_ctx); |
| gpr_free(hello_b64); |
| } |
| |
| static void test_full_range_encode_decode_b64(int url_safe, int multiline) { |
| unsigned char orig[256]; |
| size_t i; |
| char* b64; |
| grpc_slice orig_decoded; |
| for (i = 0; i < sizeof(orig); i++) orig[i] = (uint8_t)i; |
| |
| /* Try all the different paddings. */ |
| for (i = 0; i < 3; i++) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| b64 = grpc_base64_encode(orig, sizeof(orig) - i, url_safe, multiline); |
| orig_decoded = grpc_base64_decode(&exec_ctx, b64, url_safe); |
| GPR_ASSERT(GRPC_SLICE_LENGTH(orig_decoded) == (sizeof(orig) - i)); |
| GPR_ASSERT(buffers_are_equal(orig, GRPC_SLICE_START_PTR(orig_decoded), |
| sizeof(orig) - i)); |
| grpc_slice_unref_internal(&exec_ctx, orig_decoded); |
| gpr_free(b64); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| } |
| |
| static void test_simple_encode_decode_b64_no_multiline(void) { |
| test_simple_encode_decode_b64(0, 0); |
| } |
| |
| static void test_simple_encode_decode_b64_multiline(void) { |
| test_simple_encode_decode_b64(0, 1); |
| } |
| |
| static void test_simple_encode_decode_b64_urlsafe_no_multiline(void) { |
| test_simple_encode_decode_b64(1, 0); |
| } |
| |
| static void test_simple_encode_decode_b64_urlsafe_multiline(void) { |
| test_simple_encode_decode_b64(1, 1); |
| } |
| |
| static void test_full_range_encode_decode_b64_no_multiline(void) { |
| test_full_range_encode_decode_b64(0, 0); |
| } |
| |
| static void test_full_range_encode_decode_b64_multiline(void) { |
| test_full_range_encode_decode_b64(0, 1); |
| } |
| |
| static void test_full_range_encode_decode_b64_urlsafe_no_multiline(void) { |
| test_full_range_encode_decode_b64(1, 0); |
| } |
| |
| static void test_full_range_encode_decode_b64_urlsafe_multiline(void) { |
| test_full_range_encode_decode_b64(1, 1); |
| } |
| |
| static void test_url_safe_unsafe_mismatch_failure(void) { |
| unsigned char orig[256]; |
| size_t i; |
| char* b64; |
| grpc_slice orig_decoded; |
| int url_safe = 1; |
| for (i = 0; i < sizeof(orig); i++) orig[i] = (uint8_t)i; |
| |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| b64 = grpc_base64_encode(orig, sizeof(orig), url_safe, 0); |
| orig_decoded = grpc_base64_decode(&exec_ctx, b64, !url_safe); |
| GPR_ASSERT(GRPC_SLICE_IS_EMPTY(orig_decoded)); |
| gpr_free(b64); |
| grpc_slice_unref_internal(&exec_ctx, orig_decoded); |
| |
| b64 = grpc_base64_encode(orig, sizeof(orig), !url_safe, 0); |
| orig_decoded = grpc_base64_decode(&exec_ctx, b64, url_safe); |
| GPR_ASSERT(GRPC_SLICE_IS_EMPTY(orig_decoded)); |
| gpr_free(b64); |
| grpc_slice_unref_internal(&exec_ctx, orig_decoded); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void test_rfc4648_test_vectors(void) { |
| char* b64; |
| |
| b64 = grpc_base64_encode("", 0, 0, 0); |
| GPR_ASSERT(strcmp("", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("f", 1, 0, 0); |
| GPR_ASSERT(strcmp("Zg==", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("fo", 2, 0, 0); |
| GPR_ASSERT(strcmp("Zm8=", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("foo", 3, 0, 0); |
| GPR_ASSERT(strcmp("Zm9v", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("foob", 4, 0, 0); |
| GPR_ASSERT(strcmp("Zm9vYg==", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("fooba", 5, 0, 0); |
| GPR_ASSERT(strcmp("Zm9vYmE=", b64) == 0); |
| gpr_free(b64); |
| |
| b64 = grpc_base64_encode("foobar", 6, 0, 0); |
| GPR_ASSERT(strcmp("Zm9vYmFy", b64) == 0); |
| gpr_free(b64); |
| } |
| |
| static void test_unpadded_decode(void) { |
| grpc_slice decoded; |
| |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| decoded = grpc_base64_decode(&exec_ctx, "Zm9vYmFy", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "foobar") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "Zm9vYmE", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "fooba") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "Zm9vYg", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "foob") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "Zm9v", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "foo") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "Zm8", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "fo") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "Zg", 0); |
| GPR_ASSERT(!GRPC_SLICE_IS_EMPTY(decoded)); |
| GPR_ASSERT(grpc_slice_str_cmp(decoded, "f") == 0); |
| grpc_slice_unref(decoded); |
| |
| decoded = grpc_base64_decode(&exec_ctx, "", 0); |
| GPR_ASSERT(GRPC_SLICE_IS_EMPTY(decoded)); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc_test_init(argc, argv); |
| test_simple_encode_decode_b64_no_multiline(); |
| test_simple_encode_decode_b64_multiline(); |
| test_simple_encode_decode_b64_urlsafe_no_multiline(); |
| test_simple_encode_decode_b64_urlsafe_multiline(); |
| test_full_range_encode_decode_b64_no_multiline(); |
| test_full_range_encode_decode_b64_multiline(); |
| test_full_range_encode_decode_b64_urlsafe_no_multiline(); |
| test_full_range_encode_decode_b64_urlsafe_multiline(); |
| test_url_safe_unsafe_mismatch_failure(); |
| test_rfc4648_test_vectors(); |
| test_unpadded_decode(); |
| return 0; |
| } |