libgbinder/unit/unit_protocol/unit_protocol.c

487 lines
14 KiB
C

/*
* Copyright (C) 2018-2023 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 "gbinder_buffer_p.h"
#include "gbinder_config.h"
#include "gbinder_driver.h"
#include "gbinder_io.h"
#include "gbinder_local_request_p.h"
#include "gbinder_output_data.h"
#include "gbinder_reader.h"
#include "gbinder_remote_request_p.h"
#include "gbinder_rpc_protocol.h"
#include "gbinder_writer.h"
#include <gutil_log.h>
static TestOpt test_opt;
static const char TMP_DIR_TEMPLATE[] = "gbinder-test-protocol-XXXXXX";
#define STRICT_MODE_PENALTY_GATHER (0x40 << 16)
#define BINDER_RPC_FLAGS (STRICT_MODE_PENALTY_GATHER)
#define UNSET_WORK_SOURCE (-1)
#define BINDER_SYS_HEADER GBINDER_FOURCC('S', 'Y', 'S', 'T')
typedef struct test_data {
const char* name;
const char* prot;
const char* dev;
} TestData;
typedef struct test_header_data {
const char* name;
const char* prot;
const char* dev;
const char* iface;
const guint8* header;
guint header_size;
} TestHeaderData;
static const guint8 test_header_aidl [] = {
TEST_INT32_BYTES(BINDER_RPC_FLAGS),
TEST_INT32_BYTES(3),
TEST_INT16_BYTES('f'), TEST_INT16_BYTES('o'),
TEST_INT16_BYTES('o'), 0x00, 0x00
};
static const guint8 test_header_aidl2 [] = {
TEST_INT32_BYTES(BINDER_RPC_FLAGS),
TEST_INT32_BYTES(UNSET_WORK_SOURCE),
TEST_INT32_BYTES(3),
TEST_INT16_BYTES('f'), TEST_INT16_BYTES('o'),
TEST_INT16_BYTES('o'), 0x00, 0x00
};
static const guint8 test_header_aidl3 [] = {
TEST_INT32_BYTES(BINDER_RPC_FLAGS),
TEST_INT32_BYTES(UNSET_WORK_SOURCE),
TEST_INT32_BYTES(BINDER_SYS_HEADER),
TEST_INT32_BYTES(3),
TEST_INT16_BYTES('f'), TEST_INT16_BYTES('o'),
TEST_INT16_BYTES('o'), 0x00, 0x00
};
static const guint8 test_header_hidl [] = {
'f', 'o', 'o', 0x00
};
static const TestHeaderData test_header_tests[] = {
{ "aidl/ok", "aidl", GBINDER_DEFAULT_BINDER, "foo",
TEST_ARRAY_AND_SIZE(test_header_aidl) },
{ "aidl/short", "aidl", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl, 8 }, /* Short packet */
{ "aidl2/ok", "aidl2", GBINDER_DEFAULT_BINDER, "foo",
TEST_ARRAY_AND_SIZE(test_header_aidl2) },
{ "aidl2/short/1", "aidl2", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl2, 1 }, /* Short packet */
{ "aidl2/short/2", "aidl2", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl2, 5 }, /* Short packet */
{ "aidl2/short/3", "adl2", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl2, 9 }, /* Short packet */
{ "aidl3/ok", "aidl3", GBINDER_DEFAULT_BINDER, "foo",
TEST_ARRAY_AND_SIZE(test_header_aidl3) },
{ "aidl3/short/1", "aidl3", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl3, 1 }, /* Short packet */
{ "aidl3/short/2", "aidl3", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl3, 5 }, /* Short packet */
{ "aidl3/short/3", "adl3", GBINDER_DEFAULT_BINDER, NULL,
test_header_aidl3, 9 }, /* Short packet */
{ "hidl/ok", "hidl", GBINDER_DEFAULT_HWBINDER, "foo",
TEST_ARRAY_AND_SIZE(test_header_hidl) },
{ "hidl/short", "hidl", GBINDER_DEFAULT_HWBINDER, NULL,
test_header_hidl, 1 }
};
typedef struct test_context {
TestConfig config;
char* config_file;
} TestContext;
static
void
test_context_init(
TestContext* test,
const char* config)
{
memset(test, 0, sizeof(*test));
test_config_init(&test->config, TMP_DIR_TEMPLATE);
test->config_file = g_build_filename(test->config.config_dir,
"test.conf", NULL);
/* Write the config */
g_assert(g_file_set_contents(test->config_file, config, -1, NULL));
GDEBUG("Config file %s", test->config_file);
gbinder_config_file = test->config_file;
}
static
void
test_context_init2(
TestContext* test,
const char* dev,
const char* prot)
{
char* config = g_strconcat("[Protocol]\n", dev, " = ", prot, "\n", NULL);
test_context_init(test, config);
g_free(config);
}
static
void
test_context_cleanup(
TestContext* test)
{
remove(test->config_file);
g_free(test->config_file);
test_config_cleanup(&test->config);
}
/*==========================================================================*
* device
*==========================================================================*/
static
void
test_device(
void)
{
const GBinderRpcProtocol* p;
TestContext context;
test_context_init(&context, "");
p = gbinder_rpc_protocol_for_device(NULL);
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
p = gbinder_rpc_protocol_for_device(GBINDER_DEFAULT_BINDER);
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
p = gbinder_rpc_protocol_for_device(GBINDER_DEFAULT_HWBINDER);
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
test_context_cleanup(&context);
}
/*==========================================================================*
* config1
*==========================================================================*/
static
void
test_config1(
void)
{
const GBinderRpcProtocol* p;
TestContext context;
test_context_init(&context,
"[Protocol]\n"
"/dev/binder = hidl\n" /* Redefined name for /dev/binder */
"/dev/hwbinder = foo\n"); /* Invalid protocol name */
p = gbinder_rpc_protocol_for_device(NULL);
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
p = gbinder_rpc_protocol_for_device("/dev/hwbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
p = gbinder_rpc_protocol_for_device("/dev/binder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl"); /* Redefined by config */
p = gbinder_rpc_protocol_for_device("/dev/someotherbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
test_context_cleanup(&context);
}
/*==========================================================================*
* config2
*==========================================================================*/
static
void
test_config2(
void)
{
const GBinderRpcProtocol* p;
TestContext context;
test_context_init(&context,
"[Protocol]\n"
"Default = hidl\n"
"/dev/vndbinder = hidl\n"
"/dev/hwbinder = foo\n"); /* Invalid protocol name */
p = gbinder_rpc_protocol_for_device(NULL);
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
p = gbinder_rpc_protocol_for_device("/dev/vndbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
p = gbinder_rpc_protocol_for_device("/dev/hwbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
p = gbinder_rpc_protocol_for_device("/dev/binder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
/* The default is redefined */
p = gbinder_rpc_protocol_for_device("/dev/someotherbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
test_context_cleanup(&context);
}
/*==========================================================================*
* config3
*==========================================================================*/
static
void
test_config3(
void)
{
const GBinderRpcProtocol* p;
TestContext context;
test_context_init(&context,
"[Whatever]\n"
"/dev/hwbinder = aidl\n"); /* Ignored, wrong section */
/* Just the default config */
p = gbinder_rpc_protocol_for_device(NULL);
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
p = gbinder_rpc_protocol_for_device("/dev/hwbinder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"hidl");
p = gbinder_rpc_protocol_for_device("/dev/binder");
g_assert(p);
g_assert_cmpstr(p->name, == ,"aidl");
test_context_cleanup(&context);
}
/*==========================================================================*
* no_header1
*==========================================================================*/
static
void
test_no_header1(
gconstpointer test_data)
{
const TestData* test = test_data;
GBinderRemoteRequest* req;
TestContext context;
test_context_init2(&context, test->dev, test->prot);
req = gbinder_remote_request_new(NULL, gbinder_rpc_protocol_for_device
(GBINDER_DEFAULT_BINDER), 0, 0);
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION, NULL);
g_assert(!gbinder_remote_request_interface(req));
gbinder_remote_request_unref(req);
test_context_cleanup(&context);
}
/*==========================================================================*
* no_header2
*==========================================================================*/
static
void
test_no_header2(
gconstpointer test_data)
{
const TestData* test = test_data;
const GBinderRpcProtocol* p;
GBinderDriver* driver;
GBinderRemoteRequest* req;
TestContext context;
test_context_init2(&context, test->dev, test->prot);
p = gbinder_rpc_protocol_for_device(test->dev);
driver = gbinder_driver_new(GBINDER_DEFAULT_BINDER, p);
req = gbinder_remote_request_new(NULL, p, 0, 0);
gbinder_remote_request_set_data(req, GBINDER_DUMP_TRANSACTION,
gbinder_buffer_new(driver,
g_memdup(TEST_ARRAY_AND_SIZE(test_header_aidl)),
sizeof(test_header_aidl), NULL));
g_assert(!gbinder_remote_request_interface(req));
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
test_context_cleanup(&context);
}
static const TestData test_no_header_data[] = {
{ "aidl", "aidl", GBINDER_DEFAULT_BINDER },
{ "aidl2", "aidl2", GBINDER_DEFAULT_BINDER },
{ "aidl3", "aidl3", GBINDER_DEFAULT_BINDER },
};
/*==========================================================================*
* write_header
*==========================================================================*/
static
void
test_write_header(
gconstpointer test_data)
{
const TestHeaderData* test = test_data;
const GBinderRpcProtocol* prot;
GBinderLocalRequest* req;
GBinderOutputData* data;
GBinderWriter writer;
TestContext context;
test_context_init2(&context, test->dev, test->prot);
prot = gbinder_rpc_protocol_for_device(test->dev);
req = gbinder_local_request_new(&gbinder_io_32,
gbinder_rpc_protocol_for_device(NULL), NULL);
gbinder_local_request_init_writer(req, &writer);
prot->write_rpc_header(&writer, test->iface);
data = gbinder_local_request_data(req);
g_assert(data->bytes->len == test->header_size);
g_assert(!memcmp(data->bytes->data, test->header, test->header_size));
gbinder_local_request_unref(req);
test_context_cleanup(&context);
}
/*==========================================================================*
* read_header
*==========================================================================*/
static
void
test_read_header(
gconstpointer test_data)
{
const TestHeaderData* test = test_data;
GBinderDriver* driver;
GBinderRemoteRequest* req;
TestContext context;
test_context_init2(&context, test->dev, test->prot);
driver = gbinder_driver_new(test->dev, NULL);
req = gbinder_remote_request_new(NULL, gbinder_rpc_protocol_for_device
(test->dev), 0, 0);
gbinder_remote_request_set_data(req, GBINDER_FIRST_CALL_TRANSACTION,
gbinder_buffer_new(driver, g_memdup(test->header, test->header_size),
test->header_size, NULL));
g_assert_cmpstr(gbinder_remote_request_interface(req), == ,test->iface);
gbinder_remote_request_unref(req);
gbinder_driver_unref(driver);
test_context_cleanup(&context);
}
/*==========================================================================*
* Common
*==========================================================================*/
#define TEST_PREFIX "/protocol/"
#define TEST_(t) TEST_PREFIX t
int main(int argc, char* argv[])
{
guint i;
g_test_init(&argc, &argv, NULL);
g_test_add_func(TEST_("device"), test_device);
g_test_add_func(TEST_("config1"), test_config1);
g_test_add_func(TEST_("config2"), test_config2);
g_test_add_func(TEST_("config3"), test_config3);
for (i = 0; i < G_N_ELEMENTS(test_no_header_data); i++) {
const TestData* test = test_no_header_data + i;
char* path;
path = g_strconcat(TEST_("no_header1/"), test->name, NULL);
g_test_add_data_func(path, test, test_no_header1);
g_free(path);
path = g_strconcat(TEST_("no_header2/"), test->name, NULL);
g_test_add_data_func(path, test, test_no_header2);
g_free(path);
}
for (i = 0; i < G_N_ELEMENTS(test_header_tests); i++) {
const TestHeaderData* test = test_header_tests + i;
char* path;
path = g_strconcat(TEST_("read_header/"), test->name, NULL);
g_test_add_data_func(path, test, test_read_header);
g_free(path);
if (test->iface) {
path = g_strconcat(TEST_("write_header/"), test->name, NULL);
g_test_add_data_func(path, test, test_write_header);
g_free(path);
}
}
test_init(&test_opt, argc, argv);
return g_test_run();
}
/*
* Local Variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/