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/*
*
* Copyright 2015, 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 <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/lib/iomgr/endpoint_pair.h"
#include "src/core/lib/iomgr/iomgr.h"
#include "src/core/lib/security/transport/secure_endpoint.h"
#include "src/core/lib/tsi/fake_transport_security.h"
#include "test/core/util/test_config.h"
static gpr_mu *g_mu;
static grpc_pollset *g_pollset;
static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
size_t slice_size, gpr_slice *leftover_slices, size_t leftover_nslices) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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;
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("secure_endpoint_test");
tcp = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, slice_size);
grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, g_pollset);
grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, g_pollset);
if (leftover_nslices == 0) {
f.client_ep =
grpc_secure_endpoint_create(fake_read_protector, tcp.client, NULL, 0);
} else {
unsigned i;
tsi_result result;
size_t still_pending_size;
size_t total_buffer_size = 8192;
size_t buffer_size = total_buffer_size;
uint8_t *encrypted_buffer = gpr_malloc(buffer_size);
uint8_t *cur = encrypted_buffer;
gpr_slice encrypted_leftover;
for (i = 0; i < leftover_nslices; i++) {
gpr_slice plain = leftover_slices[i];
uint8_t *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;
GPR_ASSERT(buffer_size >= protected_buffer_size_to_send);
buffer_size -= protected_buffer_size_to_send;
}
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;
GPR_ASSERT(buffer_size >= protected_buffer_size_to_send);
buffer_size -= protected_buffer_size_to_send;
} 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);
grpc_exec_ctx_finish(&exec_ctx);
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 inc_call_ctr(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
++*(int *)arg;
}
static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
grpc_endpoint_test_fixture f = config.create_fixture(slice_size);
gpr_slice_buffer incoming;
gpr_slice s =
gpr_slice_from_copied_string("hello world 12345678900987654321");
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
int n = 0;
grpc_closure done_closure;
gpr_log(GPR_INFO, "Start test left over");
gpr_slice_buffer_init(&incoming);
grpc_closure_init(&done_closure, inc_call_ctr, &n);
grpc_endpoint_read(&exec_ctx, f.client_ep, &incoming, &done_closure);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(n == 1);
GPR_ASSERT(incoming.count == 1);
GPR_ASSERT(0 == gpr_slice_cmp(s, incoming.slices[0]));
grpc_endpoint_shutdown(&exec_ctx, f.client_ep);
grpc_endpoint_shutdown(&exec_ctx, f.server_ep);
grpc_endpoint_destroy(&exec_ctx, f.client_ep);
grpc_endpoint_destroy(&exec_ctx, f.server_ep);
grpc_exec_ctx_finish(&exec_ctx);
gpr_slice_unref(s);
gpr_slice_buffer_destroy(&incoming);
clean_up();
}
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
grpc_pollset_destroy(p);
}
int main(int argc, char **argv) {
grpc_closure destroyed;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_test_init(argc, argv);
grpc_init();
g_pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(g_pollset, &g_mu);
grpc_endpoint_tests(configs[0], g_pollset, g_mu);
test_leftover(configs[1], 1);
grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
gpr_free(g_pollset);
return 0;
}
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