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libgbinder/unit/unit_remote_request/unit_remote_request.c

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/*
* Copyright (C) 2018-2024 Slava Monich <slava@monich.com>
* Copyright (C) 2018-2022 Jolla Ltd.
*
* You may use this file under the terms of BSD license as follows:
*
* 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.
* 3. Neither the names of the copyright holders 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 HOLDERS 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_common.h"
#include "test_binder.h"
#include "gbinder_buffer_p.h"
#include "gbinder_config.h"
#include "gbinder_driver.h"
#include "gbinder_reader.h"
#include "gbinder_remote_request_p.h"
#include "gbinder_rpc_protocol.h"
#include "gbinder_local_request_p.h"
#include "gbinder_object_converter.h"
#include "gbinder_output_data.h"
#include "gbinder_io.h"
#include <gutil_intarray.h>
static TestOpt test_opt;
static const char TMP_DIR_TEMPLATE[] = "gbinder-test-remote-request-XXXXXX";
#define STRICT_MODE_PENALTY_GATHER (0x40 << 16)
#define BINDER_RPC_FLAGS (STRICT_MODE_PENALTY_GATHER)
#define TEST_RPC_IFACE "foo"
#define TEST_RPC_HEADER \
TEST_INT32_BYTES(BINDER_RPC_FLAGS), \
TEST_INT32_BYTES(3), \
TEST_INT16_BYTES('f'), TEST_INT16_BYTES('o'), \
TEST_INT16_BYTES('o'), 0x00, 0x00
#define HIDL_RPC_HEADER \
'f', 'o', 'o', 0x00
/*==========================================================================*
* null
*==========================================================================*/
static
void
test_null(
void)
{
GBinderReader reader;
g_assert(!gbinder_remote_request_ref(NULL));
gbinder_remote_request_unref(NULL);
gbinder_remote_request_init_reader(NULL, &reader);
gbinder_remote_request_block(NULL);
gbinder_remote_request_complete(NULL, NULL, 0);
g_assert(gbinder_reader_at_end(&reader));
g_assert(!gbinder_remote_request_interface(NULL));
g_assert(!gbinder_remote_request_copy_to_local(NULL));
g_assert(!gbinder_remote_request_convert_to_local(NULL, NULL));
g_assert(gbinder_remote_request_sender_pid(NULL) == (pid_t)(-1));
g_assert(gbinder_remote_request_sender_euid(NULL) == (uid_t)(-1));
g_assert(!gbinder_remote_request_read_int32(NULL, NULL));
g_assert(!gbinder_remote_request_read_uint32(NULL, NULL));
g_assert(!gbinder_remote_request_read_int64(NULL, NULL));
g_assert(!gbinder_remote_request_read_uint64(NULL, NULL));
g_assert(!gbinder_remote_request_read_string8(NULL));
g_assert(!gbinder_remote_request_read_string16(NULL));
g_assert(!gbinder_remote_request_read_object(NULL));
g_assert(!gbinder_object_converter_handle_to_local(NULL, 0));
}
/*==========================================================================*
* basic
*==========================================================================*/
static
void
test_basic(
void)
{
GBinderReader reader;
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(NULL), 0, 0);
/* These two calls are wrong but won't cause problems: */
gbinder_remote_request_block(req);
gbinder_remote_request_complete(req, NULL, 0);
gbinder_remote_request_init_reader(req, &reader);
g_assert(gbinder_reader_at_end(&reader));
g_assert(!gbinder_remote_request_interface(req));
g_assert(gbinder_remote_request_ref(req) == req);
g_assert(!gbinder_remote_request_read_object(req));
gbinder_remote_request_unref(req);
gbinder_remote_request_unref(req);
}
/*==========================================================================*
* int32
*==========================================================================*/
static
void
test_int32(
void)
{
static const guint8 req_data [] = {
TEST_RPC_HEADER,
TEST_INT32_BYTES(42)
};
guint32 out1 = 0;
gint32 out2 = 0;
const char* dev = GBINDER_DEFAULT_BINDER;
GBinderDriver* driver = gbinder_driver_new(dev, NULL);
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(dev), 0, 0);
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, g_memdup(req_data, sizeof(req_data)),
sizeof(req_data), NULL));
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_RPC_IFACE));
g_assert(gbinder_remote_request_read_uint32(req, &out1));
g_assert(gbinder_remote_request_read_int32(req, &out2));
g_assert(out1 == 42);
g_assert(out2 == 42u);
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
}
/*==========================================================================*
* int64
*==========================================================================*/
static
void
test_int64(
void)
{
static const guint8 req_data [] = {
TEST_RPC_HEADER,
TEST_INT64_BYTES(42)
};
guint64 out1 = 0;
gint64 out2 = 0;
const char* dev = GBINDER_DEFAULT_BINDER;
GBinderDriver* driver = gbinder_driver_new(dev, NULL);
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(dev), 0, 0);
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, g_memdup(req_data, sizeof(req_data)),
sizeof(req_data), NULL));
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_RPC_IFACE));
g_assert(gbinder_remote_request_read_uint64(req, &out1));
g_assert(gbinder_remote_request_read_int64(req, &out2));
g_assert(out1 == 42);
g_assert(out2 == 42u);
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
}
/*==========================================================================*
* string8
*==========================================================================*/
static
void
test_string8(
void)
{
static const guint8 req_data [] = {
TEST_RPC_HEADER,
'b', 'a', 'r', 0x00
};
const char* dev = GBINDER_DEFAULT_BINDER;
GBinderDriver* driver = gbinder_driver_new(dev, NULL);
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(dev), 0, 0);
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, g_memdup(req_data, sizeof(req_data)),
sizeof(req_data), NULL));
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_RPC_IFACE));
g_assert(!g_strcmp0(gbinder_remote_request_read_string8(req), "bar"));
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
}
/*==========================================================================*
* string16
*==========================================================================*/
static
void
test_string16(
void)
{
static const guint8 req_data [] = {
TEST_RPC_HEADER,
TEST_INT32_BYTES(3),
TEST_INT16_BYTES('b'), TEST_INT16_BYTES('a'),
TEST_INT16_BYTES('r'), 0x00, 0x00
};
const char* dev = GBINDER_DEFAULT_BINDER;
GBinderDriver* driver = gbinder_driver_new(dev, NULL);
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(dev), 0, 0);
char* str;
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, g_memdup(req_data, sizeof(req_data)),
sizeof(req_data), NULL));
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_RPC_IFACE));
str = gbinder_remote_request_read_string16(req);
g_assert(!g_strcmp0(str, "bar"));
g_free(str);
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
}
/*==========================================================================*
* to_local
*==========================================================================*/
static
GBinderLocalObject*
test_to_local_convert_none(
GBinderObjectConverter* convert,
guint32 handle)
{
return NULL;
}
static
void
test_to_local(
void)
{
static const guint8 request_data [] = {
TEST_RPC_HEADER,
/* 32-bit integer */
TEST_INT32_BYTES(42),
/* 64-bit NULL flat_binder_object */
TEST_INT32_BYTES(BINDER_TYPE_BINDER), /* hdr.type */
TEST_INT32_BYTES(0x17f), /* flags */
TEST_INT64_BYTES(0), /* handle */
TEST_INT64_BYTES(0) /* cookie */
};
static const guint8 request_data_hidl [] = {
HIDL_RPC_HEADER,
/* 32-bit integer */
TEST_INT32_BYTES(42),
/* 64-bit NULL flat_binder_object */
TEST_INT32_BYTES(BINDER_TYPE_BINDER), /* hdr.type */
TEST_INT32_BYTES(0x17f), /* flags */
TEST_INT64_BYTES(0), /* handle */
TEST_INT64_BYTES(0) /* cookie */
};
static const GBinderObjectConverterFunctions convert_f = {
.handle_to_local = test_to_local_convert_none
};
const char* dev = GBINDER_DEFAULT_BINDER;
const char* dev2 = GBINDER_DEFAULT_HWBINDER;
GBinderDriver* driver = gbinder_driver_new(dev, NULL);
GBinderDriver* driver2 = gbinder_driver_new(dev2, NULL);
GBinderRemoteRequest* req = gbinder_remote_request_new(NULL,
gbinder_rpc_protocol_for_device(dev), 0, 0);
GBinderObjectConverter convert;
GBinderLocalRequest* req2;
GBinderOutputData* data;
const GByteArray* bytes;
GUtilIntArray* offsets;
guint8* req_data = g_memdup(request_data, sizeof(request_data));
void** objects = g_new0(void*, 2);
/* Skip the 32-bit integer */
objects[0] = req_data + 4;
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, req_data, sizeof(request_data), objects));
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_RPC_IFACE));
/* Convert to GBinderLocalRequest */
req2 = gbinder_remote_request_copy_to_local(req);
data = gbinder_local_request_data(req2);
offsets = gbinder_output_data_offsets(data);
bytes = data->bytes;
g_assert(offsets);
g_assert(offsets->count == 1);
g_assert(offsets->data[0] == 4);
g_assert(!gbinder_output_data_buffers_size(data));
g_assert(bytes->len == sizeof(request_data));
g_assert(!memcmp(request_data, bytes->data, bytes->len));
gbinder_local_request_unref(req2);
/* The same with gbinder_remote_request_translate_to_local() */
req2 = gbinder_remote_request_convert_to_local(req, NULL);
data = gbinder_local_request_data(req2);
offsets = gbinder_output_data_offsets(data);
bytes = data->bytes;
g_assert(offsets);
g_assert(offsets->count == 1);
g_assert(offsets->data[0] == 4);
g_assert(!gbinder_output_data_buffers_size(data));
g_assert(bytes->len == sizeof(request_data));
g_assert(!memcmp(request_data, bytes->data, bytes->len));
gbinder_local_request_unref(req2);
/* Different driver actually requires translation */
memset(&convert, 0, sizeof(convert));
convert.f = &convert_f;
convert.io = gbinder_driver_io(driver2);
convert.protocol = gbinder_driver_protocol(driver2);
req2 = gbinder_remote_request_convert_to_local(req, &convert);
data = gbinder_local_request_data(req2);
offsets = gbinder_output_data_offsets(data);
bytes = data->bytes;
g_assert(offsets);
g_assert(offsets->count == 1);
g_assert(offsets->data[0] == 4);
g_assert(!gbinder_output_data_buffers_size(data));
g_assert(bytes->len == sizeof(request_data_hidl));
g_assert(!memcmp(request_data_hidl, bytes->data, bytes->len));
gbinder_local_request_unref(req2);
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
gbinder_driver_unref(driver2);
}
/*==========================================================================*
* Common
*==========================================================================*/
#define TEST_PREFIX "/remote_request/"
int main(int argc, char* argv[])
{
TestConfig test_config;
int result;
g_test_init(&argc, &argv, NULL);
g_test_add_func(TEST_PREFIX "null", test_null);
g_test_add_func(TEST_PREFIX "basic", test_basic);
g_test_add_func(TEST_PREFIX "int32", test_int32);
g_test_add_func(TEST_PREFIX "int64", test_int64);
g_test_add_func(TEST_PREFIX "string8", test_string8);
g_test_add_func(TEST_PREFIX "string16", test_string16);
g_test_add_func(TEST_PREFIX "to_local", test_to_local);
test_init(&test_opt, argc, argv);
test_config_init(&test_config, TMP_DIR_TEMPLATE);
result = g_test_run();
test_config_cleanup(&test_config);
return result;
}
/*
* Remote Variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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