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/*
* Copyright (c) 2017-2020 [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 <fstream>
#include <vector>
#include <string>
#include <rnp/rnp.h>
#include "rnp_tests.h"
#include "support.h"
#include "librepgp/stream-common.h"
#include "librepgp/stream-packet.h"
#include "utils.h"
#include <json.h>
#include <vector>
#include <string>
// structure for filling input
typedef struct {
uint32_t remaining;
uint8_t dummy;
} dummy_reader_ctx_st;
// reader of sequence of dummy bytes
static bool
dummy_reader(void *app_ctx, void *buf, size_t len, size_t *read)
{
size_t filled = 0;
dummy_reader_ctx_st *ctx = NULL;
ctx = (dummy_reader_ctx_st *) app_ctx;
filled = (len > ctx->remaining) ? ctx->remaining : len;
if (filled > 0) {
memset(buf, ctx->dummy, filled);
ctx->remaining -= filled;
}
*read = filled;
return true;
}
static void
test_partial_length_init(rnp_ffi_t *ffi, uint32_t key_flags)
{
rnp_input_t input = NULL;
// init ffi
assert_rnp_success(rnp_ffi_create(ffi, "GPG", "GPG"));
assert_rnp_success(
rnp_ffi_set_pass_provider(*ffi, ffi_string_password_provider, (void *) "password"));
if (key_flags & RNP_LOAD_SAVE_SECRET_KEYS) {
assert_rnp_success(rnp_input_from_path(&input, "data/keyrings/1/secring.gpg"));
assert_rnp_success(rnp_load_keys(*ffi, "GPG", input, key_flags));
assert_rnp_success(rnp_input_destroy(input));
}
if (key_flags & RNP_LOAD_SAVE_PUBLIC_KEYS) {
assert_rnp_success(rnp_input_from_path(&input, "data/keyrings/1/pubring.gpg"));
assert_rnp_success(rnp_load_keys(*ffi, "GPG", input, key_flags));
assert_rnp_success(rnp_input_destroy(input));
}
}
TEST_F(rnp_tests, test_partial_length_public_key)
{
rnp_input_t input = NULL;
rnp_ffi_t ffi = NULL;
assert_rnp_success(rnp_ffi_create(&ffi, "GPG", "GPG"));
assert_rnp_success(
rnp_input_from_path(&input, "data/test_partial_length/pubring.gpg.partial"));
assert_int_equal(rnp_load_keys(ffi, "GPG", input, RNP_LOAD_SAVE_PUBLIC_KEYS),
RNP_ERROR_BAD_FORMAT);
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
TEST_F(rnp_tests, test_partial_length_signature)
{
rnp_ffi_t ffi = NULL;
rnp_input_t input = NULL;
rnp_output_t output = NULL;
// init ffi
test_partial_length_init(&ffi, RNP_LOAD_SAVE_PUBLIC_KEYS);
// message having partial length signature packet
assert_rnp_success(
rnp_input_from_path(&input, "data/test_partial_length/message.txt.partial-signed"));
assert_rnp_success(rnp_output_to_null(&output));
rnp_op_verify_t verify = NULL;
assert_rnp_success(rnp_op_verify_create(&verify, ffi, input, output));
assert_rnp_failure(rnp_op_verify_execute(verify));
// cleanup
assert_rnp_success(rnp_op_verify_destroy(verify));
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
TEST_F(rnp_tests, test_partial_length_first_packet_256)
{
rnp_ffi_t ffi = NULL;
rnp_input_t input = NULL;
rnp_output_t output = NULL;
// init ffi
test_partial_length_init(&ffi, RNP_LOAD_SAVE_PUBLIC_KEYS);
// message having first partial length packet of 256 bytes
assert_rnp_success(
rnp_input_from_path(&input, "data/test_partial_length/message.txt.partial-256"));
assert_rnp_success(rnp_output_to_null(&output));
rnp_op_verify_t verify = NULL;
assert_rnp_success(rnp_op_verify_create(&verify, ffi, input, output));
assert_rnp_success(rnp_op_verify_execute(verify));
// cleanup
assert_rnp_success(rnp_op_verify_destroy(verify));
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
TEST_F(rnp_tests, test_partial_length_zero_last_chunk)
{
rnp_ffi_t ffi = NULL;
rnp_input_t input = NULL;
rnp_output_t output = NULL;
// init ffi
test_partial_length_init(&ffi, RNP_LOAD_SAVE_PUBLIC_KEYS);
// message in partial packets having 0-size last chunk
assert_rnp_success(
rnp_input_from_path(&input, "data/test_partial_length/message.txt.partial-zero-last"));
assert_rnp_success(rnp_output_to_null(&output));
rnp_op_verify_t verify = NULL;
assert_rnp_success(rnp_op_verify_create(&verify, ffi, input, output));
assert_rnp_success(rnp_op_verify_execute(verify));
// cleanup
assert_rnp_success(rnp_op_verify_destroy(verify));
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
TEST_F(rnp_tests, test_partial_length_largest)
{
rnp_ffi_t ffi = NULL;
rnp_input_t input = NULL;
rnp_output_t output = NULL;
// init ffi
test_partial_length_init(&ffi, RNP_LOAD_SAVE_PUBLIC_KEYS);
// message having largest possible partial packet
assert_rnp_success(
rnp_input_from_path(&input, "data/test_partial_length/message.txt.partial-1g"));
assert_rnp_success(rnp_output_to_null(&output));
rnp_op_verify_t verify = NULL;
assert_rnp_success(rnp_op_verify_create(&verify, ffi, input, output));
assert_rnp_success(rnp_op_verify_execute(verify));
// cleanup
assert_rnp_success(rnp_op_verify_destroy(verify));
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
TEST_F(rnp_tests, test_partial_length_first_packet_length)
{
rnp_ffi_t ffi = NULL;
rnp_input_t input = NULL;
rnp_output_t output = NULL;
rnp_op_sign_t sign = NULL;
rnp_key_handle_t key = NULL;
// uncacheable size will emulate unknown length from callback source
size_t uncacheable_size = PGP_INPUT_CACHE_SIZE + 1;
// init ffi
test_partial_length_init(&ffi, RNP_LOAD_SAVE_SECRET_KEYS);
// generate a sequence of octets with appropriate length using callback
dummy_reader_ctx_st reader_ctx;
reader_ctx.dummy = 'X';
reader_ctx.remaining = uncacheable_size;
assert_rnp_success(rnp_input_from_callback(&input, dummy_reader, NULL, &reader_ctx));
assert_rnp_success(rnp_output_to_memory(&output, uncacheable_size + 1024));
assert_rnp_success(rnp_op_sign_create(&sign, ffi, input, output));
assert_rnp_success(rnp_locate_key(ffi, "keyid", "7BC6709B15C23A4A", &key));
assert_rnp_success(rnp_op_sign_add_signature(sign, key, NULL));
assert_rnp_success(rnp_key_handle_destroy(key));
key = NULL;
// signing
assert_rnp_success(rnp_op_sign_execute(sign));
// read from the saved packets
pgp_source_t src;
uint8_t * mem = NULL;
size_t len = 0;
assert_rnp_success(rnp_output_memory_get_buf(output, &mem, &len, false));
assert_rnp_success(init_mem_src(&src, mem, len, false));
// skip first packet (one-pass signature)
pgp_packet_body_t body(PGP_PKT_ONE_PASS_SIG);
assert_rnp_success(body.read(src));
// checking next packet header (should be partial length literal data)
uint8_t flags = 0;
assert_true(src_read_eq(&src, &flags, 1));
assert_int_equal(flags, PGP_PTAG_ALWAYS_SET | PGP_PTAG_NEW_FORMAT | PGP_PKT_LITDATA);
// checking length
bool last = true; // should be reset by stream_read_partial_chunk_len()
assert_true(stream_read_partial_chunk_len(&src, &len, &last));
assert_true(len >= PGP_PARTIAL_PKT_FIRST_PART_MIN_SIZE);
assert_false(last);
// cleanup
src_close(&src);
assert_rnp_success(rnp_op_sign_destroy(sign));
assert_rnp_success(rnp_input_destroy(input));
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
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