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/*
*
* Copyright 2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "src/core/ext/transport/chttp2/transport/bin_decoder.h"
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/support/string.h"
static int all_ok = 1;
static void expect_slice_eq(grpc_exec_ctx *exec_ctx, grpc_slice expected,
grpc_slice slice, char *debug, int line) {
if (0 != grpc_slice_cmp(slice, expected)) {
char *hs = grpc_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
char *he = grpc_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII);
gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot: %s\nwant: %s", line, debug, hs,
he);
gpr_free(hs);
gpr_free(he);
all_ok = 0;
}
grpc_slice_unref_internal(exec_ctx, expected);
grpc_slice_unref_internal(exec_ctx, slice);
}
static grpc_slice base64_encode(grpc_exec_ctx *exec_ctx, const char *s) {
grpc_slice ss = grpc_slice_from_copied_string(s);
grpc_slice out = grpc_chttp2_base64_encode(ss);
grpc_slice_unref_internal(exec_ctx, ss);
return out;
}
static grpc_slice base64_decode(grpc_exec_ctx *exec_ctx, const char *s) {
grpc_slice ss = grpc_slice_from_copied_string(s);
grpc_slice out = grpc_chttp2_base64_decode(exec_ctx, ss);
grpc_slice_unref_internal(exec_ctx, ss);
return out;
}
static grpc_slice base64_decode_with_length(grpc_exec_ctx *exec_ctx,
const char *s,
size_t output_length) {
grpc_slice ss = grpc_slice_from_copied_string(s);
grpc_slice out =
grpc_chttp2_base64_decode_with_length(exec_ctx, ss, output_length);
grpc_slice_unref_internal(exec_ctx, ss);
return out;
}
#define EXPECT_SLICE_EQ(exec_ctx, expected, slice) \
expect_slice_eq( \
exec_ctx, grpc_slice_from_copied_buffer(expected, sizeof(expected) - 1), \
slice, #slice, __LINE__);
#define ENCODE_AND_DECODE(exec_ctx, s) \
EXPECT_SLICE_EQ(exec_ctx, s, \
grpc_chttp2_base64_decode_with_length( \
exec_ctx, base64_encode(exec_ctx, s), strlen(s)));
int main(int argc, char **argv) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
/* ENCODE_AND_DECODE tests grpc_chttp2_base64_decode_with_length(), which
takes encoded base64 strings without pad chars, but output length is
required. */
/* Base64 test vectors from RFC 4648 */
ENCODE_AND_DECODE(&exec_ctx, "");
ENCODE_AND_DECODE(&exec_ctx, "f");
ENCODE_AND_DECODE(&exec_ctx, "foo");
ENCODE_AND_DECODE(&exec_ctx, "fo");
ENCODE_AND_DECODE(&exec_ctx, "foob");
ENCODE_AND_DECODE(&exec_ctx, "fooba");
ENCODE_AND_DECODE(&exec_ctx, "foobar");
ENCODE_AND_DECODE(&exec_ctx, "\xc0\xc1\xc2\xc3\xc4\xc5");
/* Base64 test vectors from RFC 4648, with pad chars */
/* BASE64("") = "" */
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, ""));
/* BASE64("f") = "Zg==" */
EXPECT_SLICE_EQ(&exec_ctx, "f", base64_decode(&exec_ctx, "Zg=="));
/* BASE64("fo") = "Zm8=" */
EXPECT_SLICE_EQ(&exec_ctx, "fo", base64_decode(&exec_ctx, "Zm8="));
/* BASE64("foo") = "Zm9v" */
EXPECT_SLICE_EQ(&exec_ctx, "foo", base64_decode(&exec_ctx, "Zm9v"));
/* BASE64("foob") = "Zm9vYg==" */
EXPECT_SLICE_EQ(&exec_ctx, "foob", base64_decode(&exec_ctx, "Zm9vYg=="));
/* BASE64("fooba") = "Zm9vYmE=" */
EXPECT_SLICE_EQ(&exec_ctx, "fooba", base64_decode(&exec_ctx, "Zm9vYmE="));
/* BASE64("foobar") = "Zm9vYmFy" */
EXPECT_SLICE_EQ(&exec_ctx, "foobar", base64_decode(&exec_ctx, "Zm9vYmFy"));
EXPECT_SLICE_EQ(&exec_ctx, "\xc0\xc1\xc2\xc3\xc4\xc5",
base64_decode(&exec_ctx, "wMHCw8TF"));
// Test illegal input length in grpc_chttp2_base64_decode
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "a"));
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "ab"));
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "abc"));
// Test illegal charactors in grpc_chttp2_base64_decode
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "Zm:v"));
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode(&exec_ctx, "Zm=v"));
// Test output_length longer than max possible output length in
// grpc_chttp2_base64_decode_with_length
EXPECT_SLICE_EQ(&exec_ctx, "", base64_decode_with_length(&exec_ctx, "Zg", 2));
EXPECT_SLICE_EQ(&exec_ctx, "",
base64_decode_with_length(&exec_ctx, "Zm8", 3));
EXPECT_SLICE_EQ(&exec_ctx, "",
base64_decode_with_length(&exec_ctx, "Zm9v", 4));
// Test illegal charactors in grpc_chttp2_base64_decode_with_length
EXPECT_SLICE_EQ(&exec_ctx, "",
base64_decode_with_length(&exec_ctx, "Zm:v", 3));
EXPECT_SLICE_EQ(&exec_ctx, "",
base64_decode_with_length(&exec_ctx, "Zm=v", 3));
grpc_exec_ctx_finish(&exec_ctx);
return all_ok ? 0 : 1;
}
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