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/*
*
* Copyright 2014, 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 "test/core/iomgr/endpoint_tests.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include "src/core/security/secure_endpoint.h"
#include "src/core/iomgr/endpoint_pair.h"
#include "src/core/iomgr/iomgr.h"
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "test/core/util/test_config.h"
#include "src/core/tsi/fake_transport_security.h"
static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
size_t slice_size, gpr_slice *leftover_slices, size_t leftover_nslices) {
tsi_frame_protector *fake_read_protector = tsi_create_fake_protector(NULL);
tsi_frame_protector *fake_write_protector = tsi_create_fake_protector(NULL);
grpc_endpoint_test_fixture f;
grpc_endpoint_pair tcp;
tcp = grpc_iomgr_create_endpoint_pair(slice_size);
if (leftover_nslices == 0) {
f.client_ep =
grpc_secure_endpoint_create(fake_read_protector, tcp.client, NULL, 0);
} else {
int i;
tsi_result result;
size_t still_pending_size;
size_t total_buffer_size = 8192;
size_t buffer_size = total_buffer_size;
gpr_uint8 *encrypted_buffer = gpr_malloc(buffer_size);
gpr_uint8 *cur = encrypted_buffer;
gpr_slice encrypted_leftover;
for (i = 0; i < leftover_nslices; i++) {
gpr_slice plain = leftover_slices[i];
gpr_uint8 *message_bytes = GPR_SLICE_START_PTR(plain);
size_t message_size = GPR_SLICE_LENGTH(plain);
while (message_size > 0) {
size_t protected_buffer_size_to_send = buffer_size;
size_t processed_message_size = message_size;
result = tsi_frame_protector_protect(
fake_write_protector, message_bytes, &processed_message_size, cur,
&protected_buffer_size_to_send);
GPR_ASSERT(result == TSI_OK);
message_bytes += processed_message_size;
message_size -= processed_message_size;
cur += protected_buffer_size_to_send;
buffer_size -= protected_buffer_size_to_send;
GPR_ASSERT(buffer_size >= 0);
}
gpr_slice_unref(plain);
}
do {
size_t protected_buffer_size_to_send = buffer_size;
result = tsi_frame_protector_protect_flush(fake_write_protector, cur,
&protected_buffer_size_to_send,
&still_pending_size);
GPR_ASSERT(result == TSI_OK);
cur += protected_buffer_size_to_send;
buffer_size -= protected_buffer_size_to_send;
GPR_ASSERT(buffer_size >= 0);
} while (still_pending_size > 0);
encrypted_leftover = gpr_slice_from_copied_buffer(
(const char *)encrypted_buffer, total_buffer_size - buffer_size);
f.client_ep = grpc_secure_endpoint_create(fake_read_protector, tcp.client,
&encrypted_leftover, 1);
gpr_slice_unref(encrypted_leftover);
gpr_free(encrypted_buffer);
}
f.server_ep =
grpc_secure_endpoint_create(fake_write_protector, tcp.server, NULL, 0);
return f;
}
static grpc_endpoint_test_fixture
secure_endpoint_create_fixture_tcp_socketpair_noleftover(size_t slice_size) {
return secure_endpoint_create_fixture_tcp_socketpair(slice_size, NULL, 0);
}
static grpc_endpoint_test_fixture
secure_endpoint_create_fixture_tcp_socketpair_leftover(size_t slice_size) {
gpr_slice s =
gpr_slice_from_copied_string("hello world 12345678900987654321");
grpc_endpoint_test_fixture f;
f = secure_endpoint_create_fixture_tcp_socketpair(slice_size, &s, 1);
return f;
}
static void clean_up(void) {}
static grpc_endpoint_test_config configs[] = {
{"secure_ep/tcp_socketpair",
secure_endpoint_create_fixture_tcp_socketpair_noleftover, clean_up},
{"secure_ep/tcp_socketpair_leftover",
secure_endpoint_create_fixture_tcp_socketpair_leftover, clean_up},
};
static void verify_leftover(void *user_data, gpr_slice *slices, size_t nslices,
grpc_endpoint_cb_status error) {
gpr_slice s =
gpr_slice_from_copied_string("hello world 12345678900987654321");
GPR_ASSERT(error == GRPC_ENDPOINT_CB_OK);
GPR_ASSERT(nslices == 1);
GPR_ASSERT(0 == gpr_slice_cmp(s, slices[0]));
gpr_slice_unref(slices[0]);
gpr_slice_unref(s);
*(int *)user_data = 1;
}
static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
grpc_endpoint_test_fixture f = config.create_fixture(slice_size);
int verified = 0;
gpr_log(GPR_INFO, "Start test left over");
grpc_endpoint_notify_on_read(f.client_ep, verify_leftover, &verified);
GPR_ASSERT(verified == 1);
grpc_endpoint_shutdown(f.client_ep);
grpc_endpoint_shutdown(f.server_ep);
grpc_endpoint_destroy(f.client_ep);
grpc_endpoint_destroy(f.server_ep);
clean_up();
}
static void destroy_early(void *user_data, gpr_slice *slices, size_t nslices,
grpc_endpoint_cb_status error) {
grpc_endpoint_test_fixture *f = user_data;
gpr_slice s =
gpr_slice_from_copied_string("hello world 12345678900987654321");
GPR_ASSERT(error == GRPC_ENDPOINT_CB_OK);
GPR_ASSERT(nslices == 1);
grpc_endpoint_shutdown(f->client_ep);
grpc_endpoint_destroy(f->client_ep);
GPR_ASSERT(0 == gpr_slice_cmp(s, slices[0]));
gpr_slice_unref(slices[0]);
gpr_slice_unref(s);
}
/* test which destroys the ep before finishing reading */
static void test_destroy_ep_early(grpc_endpoint_test_config config,
size_t slice_size) {
grpc_endpoint_test_fixture f = config.create_fixture(slice_size);
gpr_log(GPR_INFO, "Start test destroy early");
grpc_endpoint_notify_on_read(f.client_ep, destroy_early, &f);
grpc_endpoint_shutdown(f.server_ep);
grpc_endpoint_destroy(f.server_ep);
clean_up();
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_iomgr_init();
grpc_endpoint_tests(configs[0]);
test_leftover(configs[1], 1);
test_destroy_ep_early(configs[1], 1);
grpc_iomgr_shutdown();
return 0;
}
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