Enable WASI feature, enhance security and add SGX sample (#142)

Change emcc to clang
Refine interpreter to improve perforamnce
This commit is contained in:
Weining
2019-11-20 21:16:36 +08:00
committed by wenyongh
parent 29c7c743e9
commit 27f246b5f3
159 changed files with 9543 additions and 3789 deletions

View File

@ -17,12 +17,20 @@
#include "runtime_lib.h"
/* Wasm app 4 magic bytes */
static unsigned char wasm_app_magics[] = { (unsigned char) 0x00,
(unsigned char) 0x61, (unsigned char) 0x73, (unsigned char) 0x6d };
static unsigned char wasm_app_magics[] = {
(unsigned char) 0x00,
(unsigned char) 0x61,
(unsigned char) 0x73,
(unsigned char) 0x6d
};
/* Wasm app 4 version bytes */
static unsigned char wasm_app_version[] = { (unsigned char) 0x01,
(unsigned char) 0x00, (unsigned char) 0x00, (unsigned char) 0x00 };
static unsigned char wasm_app_version[] = {
(unsigned char) 0x01,
(unsigned char) 0x00,
(unsigned char) 0x00,
(unsigned char) 0x00
};
/* Wasm App Install Request Receiving Phase */
typedef enum wasm_app_install_req_recv_phase_t {
@ -73,7 +81,7 @@ static bool wasm_app_module_handle_host_url(void *queue_msg);
static module_data *wasm_app_module_get_module_data(void *inst);
static bool
wasm_app_module_on_install_request_byte_arrive(uint8 ch, int request_total_size,
int *received_size);
int *received_size);
static bool module_wasm_app_handle_install_msg(install_wasm_app_msg_t *message);
static void destroy_wasm_sections_list(wasm_section_t *sections);
@ -84,14 +92,18 @@ int g_msg_type[Max_Msg_Callback] = { 0 };
message_type_handler_t g_msg_callbacks[Max_Msg_Callback] = { 0 };
#define Max_Cleanup_Callback 10
static resource_cleanup_handler_t g_cleanup_callbacks[Max_Cleanup_Callback] = {
0 };
static resource_cleanup_handler_t
g_cleanup_callbacks[Max_Cleanup_Callback] = { 0 };
module_interface wasm_app_module_interface = { wasm_app_module_init,
wasm_app_module_install, wasm_app_module_uninstall,
wasm_app_module_watchdog_kill, wasm_app_module_handle_host_url,
wasm_app_module_get_module_data,
wasm_app_module_on_install_request_byte_arrive };
module_interface wasm_app_module_interface = {
wasm_app_module_init,
wasm_app_module_install,
wasm_app_module_uninstall,
wasm_app_module_watchdog_kill,
wasm_app_module_handle_host_url,
wasm_app_module_get_module_data,
wasm_app_module_on_install_request_byte_arrive
};
static unsigned align_uint(unsigned v, unsigned b)
{
@ -99,6 +111,19 @@ static unsigned align_uint(unsigned v, unsigned b)
return (v + m) & ~m;
}
static wasm_function_inst_t
app_manager_lookup_function(const wasm_module_inst_t module_inst,
const char *name, const char *signature)
{
wasm_function_inst_t func;
func = wasm_runtime_lookup_function(module_inst, name, signature);
if (!func && name[0] == '_')
func = wasm_runtime_lookup_function(module_inst, name + 1, signature);
return func;
}
static void app_instance_queue_callback(void *queue_msg, void *arg)
{
uint32 argv[2];
@ -108,133 +133,157 @@ static void app_instance_queue_callback(void *queue_msg, void *arg)
module_data *m_data = app_manager_get_module_data(Module_WASM_App, inst);
int message_type = bh_message_type(queue_msg);
switch (message_type) {
case RESTFUL_REQUEST: {
request_t *request = (request_t *) bh_message_payload(queue_msg);
int size;
char *buffer;
int32 buffer_offset;
bh_assert(m_data);
app_manager_printf("App %s got request, url %s, action %d\n",
m_data->module_name, request->url, request->action);
if (message_type < BASE_EVENT_MAX) {
switch (message_type) {
case RESTFUL_REQUEST: {
request_t *request = (request_t *)bh_message_payload(queue_msg);
int size;
char *buffer;
int32 buffer_offset;
func_onRequest = wasm_runtime_lookup_function(inst, "_on_request",
"(i32i32)");
if (!func_onRequest) {
app_manager_printf("Cannot find function onRequest\n");
break;
}
app_manager_printf("App %s got request, url %s, action %d\n",
m_data->module_name,
request->url,
request->action);
buffer = pack_request(request, &size);
if (buffer == NULL)
break;
func_onRequest = app_manager_lookup_function(inst,
"_on_request",
"(i32i32)");
if (!func_onRequest) {
app_manager_printf("Cannot find function onRequest\n");
break;
}
buffer_offset = wasm_runtime_module_dup_data(inst, buffer, size);
if (buffer_offset == 0) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
free_req_resp_packet(buffer);
break;
}
buffer = pack_request(request, &size);
if (buffer == NULL)
break;
free_req_resp_packet(buffer);
buffer_offset = wasm_runtime_module_dup_data(inst, buffer, size);
if (buffer_offset == 0) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
free_req_resp_packet(buffer);
break;
}
argv[0] = (uint32) buffer_offset;
argv[1] = (uint32) size;
free_req_resp_packet(buffer);
if (!wasm_runtime_call_wasm(inst, NULL, func_onRequest, 2, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
wasm_runtime_module_free(inst, buffer_offset);
break;
}
argv[0] = (uint32) buffer_offset;
argv[1] = (uint32) size;
wasm_runtime_module_free(inst, buffer_offset);
app_manager_printf("Wasm app process request success.\n");
break;
}
case RESTFUL_RESPONSE: {
response_t *response = (response_t *) bh_message_payload(queue_msg);
int size;
char *buffer;
int32 buffer_offset;
if (!wasm_runtime_call_wasm(inst, NULL, func_onRequest, 2, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
wasm_runtime_module_free(inst, buffer_offset);
break;
}
app_manager_printf("App %s got response_t,status %d\n",
m_data->module_name, response->status);
wasm_function_inst_t func_onResponse = wasm_runtime_lookup_function(
inst, "_on_response", "(i32i32)");
if (!func_onResponse) {
app_manager_printf("Cannot find function on_response\n");
break;
}
buffer = pack_response(response, &size);
if (buffer == NULL)
break;
buffer_offset = wasm_runtime_module_dup_data(inst, buffer, size);
if (buffer_offset == 0) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
free_req_resp_packet(buffer);
break;
}
free_req_resp_packet(buffer);
argv[0] = (uint32) buffer_offset;
argv[1] = (uint32) size;
if (!wasm_runtime_call_wasm(inst, NULL, func_onResponse, 2, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
wasm_runtime_module_free(inst, buffer_offset);
break;
}
wasm_runtime_module_free(inst, buffer_offset);
app_manager_printf("Wasm app process response success.\n");
break;
}
case TIMER_EVENT_WASM: {
if (bh_message_payload(queue_msg)) {
/* Call Timer.callOnTimer() method */
func_onTimer = wasm_runtime_lookup_function(inst,
"_on_timer_callback", "(i32)");
if (!func_onTimer) {
app_manager_printf("Cannot find function _on_timer_callback\n");
break;
wasm_runtime_module_free(inst, buffer_offset);
app_manager_printf("Wasm app process request success.\n");
break;
}
unsigned int timer_id = (unsigned int)(uintptr_t)
bh_message_payload(queue_msg);
argv[0] = timer_id;
if (!wasm_runtime_call_wasm(inst, NULL, func_onTimer, 1, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
case RESTFUL_RESPONSE: {
wasm_function_inst_t func_onResponse;
response_t *response = (response_t *) bh_message_payload(queue_msg);
int size;
char *buffer;
int32 buffer_offset;
app_manager_printf("App %s got response_t,status %d\n",
m_data->module_name, response->status);
func_onResponse =
app_manager_lookup_function(inst, "_on_response", "(i32i32)");
if (!func_onResponse) {
app_manager_printf("Cannot find function on_response\n");
break;
}
buffer = pack_response(response, &size);
if (buffer == NULL)
break;
buffer_offset = wasm_runtime_module_dup_data(inst, buffer, size);
if (buffer_offset == 0) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
free_req_resp_packet(buffer);
break;
}
free_req_resp_packet(buffer);
argv[0] = (uint32) buffer_offset;
argv[1] = (uint32) size;
if (!wasm_runtime_call_wasm(inst, NULL, func_onResponse, 2, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
wasm_runtime_module_free(inst, buffer_offset);
break;
}
wasm_runtime_module_free(inst, buffer_offset);
app_manager_printf("Wasm app process response success.\n");
break;
}
default: {
for (int i = 0; i < Max_Msg_Callback; i++) {
if (g_msg_type[i] == message_type) {
g_msg_callbacks[i](m_data, queue_msg);
return;
}
}
app_manager_printf("Invalid message type of WASM app queue message.\n");
break;
}
}
break;
}
else {
switch (message_type) {
case TIMER_EVENT_WASM: {
unsigned int timer_id;
if (bh_message_payload(queue_msg)) {
/* Call Timer.callOnTimer() method */
func_onTimer =
app_manager_lookup_function(inst,
"_on_timer_callback",
"(i32)");
default: {
for (int i = 0; i < Max_Msg_Callback; i++) {
if (g_msg_type[i] == message_type) {
g_msg_callbacks[i](m_data, queue_msg);
return;
if (!func_onTimer) {
app_manager_printf("Cannot find function _on_timer_callback\n");
break;
}
timer_id =
(unsigned int)(uintptr_t)bh_message_payload(queue_msg);
argv[0] = timer_id;
if (!wasm_runtime_call_wasm(inst, NULL, func_onTimer, 1, argv)) {
app_manager_printf("Got exception running wasm code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
}
}
break;
}
default: {
for (int i = 0; i < Max_Msg_Callback; i++) {
if (g_msg_type[i] == message_type) {
g_msg_callbacks[i](m_data, queue_msg);
return;
}
}
app_manager_printf("Invalid message type of WASM app queue message.\n");
break;
}
}
app_manager_printf("Invalid message type of WASM app queue message.\n");
break;
}
}
}
@ -256,7 +305,7 @@ wasm_app_routine(void *arg)
app_manager_printf("WASM app '%s' started\n", m_data->module_name);
/* Call app's onInit() method */
func_onInit = wasm_runtime_lookup_function(inst, "_on_init", "()");
func_onInit = app_manager_lookup_function(inst, "_on_init", "()");
if (!func_onInit) {
app_manager_printf("Cannot find function on_init().\n");
goto fail1;
@ -264,7 +313,7 @@ wasm_app_routine(void *arg)
if (!wasm_runtime_call_wasm(inst, NULL, func_onInit, 0, NULL)) {
printf("Got exception running WASM code: %s\n",
wasm_runtime_get_exception(inst));
wasm_runtime_get_exception(inst));
wasm_runtime_clear_exception(inst);
/* call on_destroy() in case some resources are opened in on_init()
* and then exception thrown */
@ -278,7 +327,7 @@ wasm_app_routine(void *arg)
fail2:
/* Call WASM app onDestroy() method if there is */
func_onDestroy = wasm_runtime_lookup_function(inst, "_on_destroy", "()");
func_onDestroy = app_manager_lookup_function(inst, "_on_destroy", "()");
if (func_onDestroy)
wasm_runtime_call_wasm(inst, NULL, func_onDestroy, 0, NULL);
@ -341,8 +390,8 @@ static bool wasm_app_module_init(void)
static bool wasm_app_module_install(request_t * msg)
{
unsigned int m_data_size, wasm_app_aot_file_len, heap_size, timeout, timers,
err_size;
unsigned int m_data_size, wasm_app_aot_file_len, heap_size;
unsigned int timeout, timers, err_size;
char *properties;
int properties_offset, i;
uint8 *wasm_app_aot_file;
@ -352,22 +401,25 @@ static bool wasm_app_module_install(request_t * msg)
module_data *m_data;
wasm_module_t module = NULL;
wasm_module_inst_t inst = NULL;
char m_name[APP_NAME_MAX_LEN] = { 0 }, timeout_str[MAX_INT_STR_LEN] = { 0 },
heap_size_str[MAX_INT_STR_LEN] = { 0 },
timers_str[MAX_INT_STR_LEN] = { 0 }, err[256];
char m_name[APP_NAME_MAX_LEN] = { 0 };
char timeout_str[MAX_INT_STR_LEN] = { 0 };
char heap_size_str[MAX_INT_STR_LEN] = { 0 };
char timers_str[MAX_INT_STR_LEN] = { 0 }, err[256];
/* Useless sections after load */
uint8 sections1[] = { SECTION_TYPE_USER,
SECTION_TYPE_TYPE,
SECTION_TYPE_IMPORT,
SECTION_TYPE_FUNC,
SECTION_TYPE_TABLE,
SECTION_TYPE_MEMORY,
SECTION_TYPE_GLOBAL,
SECTION_TYPE_EXPORT,
SECTION_TYPE_START,
SECTION_TYPE_ELEM,
/*SECTION_TYPE_CODE,*/
/*SECTION_TYPE_DATA*/};
uint8 sections1[] = {
SECTION_TYPE_USER,
SECTION_TYPE_TYPE,
SECTION_TYPE_IMPORT,
SECTION_TYPE_FUNC,
SECTION_TYPE_TABLE,
SECTION_TYPE_MEMORY,
SECTION_TYPE_GLOBAL,
SECTION_TYPE_EXPORT,
SECTION_TYPE_START,
SECTION_TYPE_ELEM,
/*SECTION_TYPE_CODE,*/
/*SECTION_TYPE_DATA*/
};
/* Useless sections after instantiate */
uint8 sections2[] = { SECTION_TYPE_DATA };
@ -375,8 +427,7 @@ static bool wasm_app_module_install(request_t * msg)
/* Check payload */
if (!msg->payload || msg->payload_len == 0) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: invalid wasm file.");
SEND_ERR_RESPONSE(msg->mid, "Install WASM app failed: invalid wasm file.");
return false;
}
@ -387,24 +438,22 @@ static bool wasm_app_module_install(request_t * msg)
return false;
properties = msg->url + properties_offset;
find_key_value(properties, strlen(properties), "name", m_name,
sizeof(m_name) - 1, '&');
sizeof(m_name) - 1, '&');
if (strlen(m_name) == 0) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: invalid app name.");
SEND_ERR_RESPONSE(msg->mid, "Install WASM app failed: invalid app name.");
return false;
}
if (app_manager_lookup_module_data(m_name)) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: app already installed.");
SEND_ERR_RESPONSE(msg->mid, "Install WASM app failed: app already installed.");
return false;
}
/* Parse heap size */
heap_size = APP_HEAP_SIZE_DEFAULT;
find_key_value(properties, strlen(properties), "heap", heap_size_str,
sizeof(heap_size_str) - 1, '&');
sizeof(heap_size_str) - 1, '&');
if (strlen(heap_size_str) > 0) {
heap_size = atoi(heap_size_str);
if (heap_size < APP_HEAP_SIZE_MIN)
@ -421,19 +470,20 @@ static bool wasm_app_module_install(request_t * msg)
wasm_app_aot_file = (uint8 *) msg->payload;
wasm_app_aot_file_len = msg->payload_len;
inst = wasm_runtime_load_aot(wasm_app_aot_file, wasm_app_aot_file_len,
heap_size, err, err_size);
heap_size, err, err_size);
if (!inst) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: load wasm aot binary failed.");
"Install WASM app failed: load wasm aot binary failed.");
return false;
}
} else if (package_type == Wasm_Module_Bytecode) {
}
else if (package_type == Wasm_Module_Bytecode) {
wasm_app_file = (wasm_app_file_t *) msg->payload;
module = wasm_runtime_load_from_sections(wasm_app_file->sections, err,
err_size);
err_size);
if (!module) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: load WASM file failed.");
"Install WASM app failed: load WASM file failed.");
printf("error: %s\n", err);
destroy_wasm_sections_list(wasm_app_file->sections);
return false;
@ -442,7 +492,7 @@ static bool wasm_app_module_install(request_t * msg)
/* Destroy useless sections from list after load */
for (i = 0; i < sizeof(sections1); i++)
destroy_wasm_section_from_list(&wasm_app_file->sections,
sections1[i]);
sections1[i]);
inst = wasm_runtime_instantiate(module, 0, heap_size, err, err_size);
if (!inst) {
@ -457,11 +507,12 @@ static bool wasm_app_module_install(request_t * msg)
/* Destroy useless sections from list after instantiate */
for (i = 0; i < sizeof(sections2); i++)
destroy_wasm_section_from_list(&wasm_app_file->sections,
sections2[i]);
sections2[i]);
} else {
}
else {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: invalid wasm package type.");
"Install WASM app failed: invalid wasm package type.");
return false;
}
@ -470,8 +521,7 @@ static bool wasm_app_module_install(request_t * msg)
m_data_size = align_uint(m_data_size, 4);
m_data = bh_malloc(m_data_size + sizeof(wasm_data));
if (!m_data) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: allocate memory failed.");
SEND_ERR_RESPONSE(msg->mid, "Install WASM app failed: allocate memory failed.");
goto fail;
}
memset(m_data, 0, m_data_size + sizeof(wasm_data));
@ -490,7 +540,7 @@ static bool wasm_app_module_install(request_t * msg)
/* Set module data - execution timeout */
timeout = DEFAULT_WATCHDOG_INTERVAL;
find_key_value(properties, strlen(properties), "wd", timeout_str,
sizeof(timeout_str) - 1, '&');
sizeof(timeout_str) - 1, '&');
if (strlen(timeout_str) > 0)
timeout = atoi(timeout_str);
m_data->timeout = timeout;
@ -498,8 +548,7 @@ static bool wasm_app_module_install(request_t * msg)
/* Set module data - create queue */
m_data->queue = bh_queue_create();
if (!m_data->queue) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: create app queue failed.");
SEND_ERR_RESPONSE(msg->mid, "Install WASM app failed: create app queue failed.");
goto fail;
}
@ -522,24 +571,23 @@ static bool wasm_app_module_install(request_t * msg)
m_data->timer_ctx = create_wasm_timer_ctx(m_data->id, timers);
if (!m_data->timer_ctx) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: create app timers failed.");
"Install WASM app failed: create app timers failed.");
goto fail;
}
/* Initialize watchdog timer */
if (!watchdog_timer_init(m_data)) {
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: create app watchdog timer failed.");
"Install WASM app failed: create app watchdog timer failed.");
goto fail;
}
/* Create WASM app thread. */
if (vm_thread_create(&wasm_app_data->thread_id, wasm_app_routine,
(void*) m_data, APP_THREAD_STACK_SIZE_DEFAULT) != 0) {
(void*) m_data, APP_THREAD_STACK_SIZE_DEFAULT) != 0) {
module_data_list_remove(m_data);
SEND_ERR_RESPONSE(msg->mid,
"Install WASM app failed: create app threadf failed.");
"Install WASM app failed: create app threadf failed.");
goto fail;
}
@ -551,7 +599,8 @@ static bool wasm_app_module_install(request_t * msg)
return true;
fail: if (m_data)
fail:
if (m_data)
release_module(m_data);
wasm_runtime_deinstantiate(inst);
@ -580,11 +629,10 @@ static bool wasm_app_module_uninstall(request_t *msg)
return false;
properties = msg->url + properties_offset;
find_key_value(properties, strlen(properties), "name", m_name,
sizeof(m_name) - 1, '&');
sizeof(m_name) - 1, '&');
if (strlen(m_name) == 0) {
SEND_ERR_RESPONSE(msg->mid,
"Uninstall WASM app failed: invalid app name.");
SEND_ERR_RESPONSE(msg->mid, "Uninstall WASM app failed: invalid app name.");
return false;
}
@ -595,14 +643,13 @@ static bool wasm_app_module_uninstall(request_t *msg)
}
if (m_data->module_type != Module_WASM_App) {
SEND_ERR_RESPONSE(msg->mid,
"Uninstall WASM app failed: invalid module type.");
SEND_ERR_RESPONSE(msg->mid, "Uninstall WASM app failed: invalid module type.");
return false;
}
if (m_data->wd_timer.is_interrupting) {
SEND_ERR_RESPONSE(msg->mid,
"Uninstall WASM app failed: app is being interrupted by watchdog.");
"Uninstall WASM app failed: app is being interrupted by watchdog.");
return false;
}
@ -646,7 +693,7 @@ static void wasm_app_module_watchdog_kill(module_data *m_data)
}
bool wasm_register_msg_callback(int message_type,
message_type_handler_t message_handler)
message_type_handler_t message_handler)
{
int i;
int freeslot = -1;
@ -684,26 +731,27 @@ bool wasm_register_cleanup_callback(resource_cleanup_handler_t handler)
return false;
}
#define RECV_INTEGER(value, next_phase) do{ \
unsigned char *p = (unsigned char *)&value; \
p[recv_ctx.size_in_phase++] = ch; \
if (recv_ctx.size_in_phase == sizeof(value)) { \
if (sizeof(value) == 4) \
value = ntohl(value); \
else if (sizeof(value) == 2) \
value = ntohs(value); \
recv_ctx.phase = next_phase; \
recv_ctx.size_in_phase = 0; \
} \
} while(0)
#define RECV_INTEGER(value, next_phase) do { \
unsigned char *p = (unsigned char *)&value; \
p[recv_ctx.size_in_phase++] = ch; \
if (recv_ctx.size_in_phase == sizeof(value)) { \
if (sizeof(value) == 4) \
value = ntohl(value); \
else if (sizeof(value) == 2) \
value = ntohs(value); \
recv_ctx.phase = next_phase; \
recv_ctx.size_in_phase = 0; \
} \
} while(0)
/* return:
* 1: whole wasm app arrived
* 0: one valid byte arrived
* -1: fail to process the byte arrived, e.g. allocate memory fail
*/
static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
int request_total_size, int *received_size)
static bool
wasm_app_module_on_install_request_byte_arrive(uint8 ch, int request_total_size,
int *received_size)
{
if (recv_ctx.phase == Phase_Req_Ver) {
recv_ctx.phase = Phase_Req_Ver;
@ -719,49 +767,57 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
return false;
recv_ctx.phase = Phase_Req_Action;
return true;
} else if (recv_ctx.phase == Phase_Req_Action) {
}
else if (recv_ctx.phase == Phase_Req_Action) {
recv_ctx.message.request_action = ch;
recv_ctx.phase = Phase_Req_Fmt;
recv_ctx.size_in_phase = 0;
return true;
} else if (recv_ctx.phase == Phase_Req_Fmt) {
}
else if (recv_ctx.phase == Phase_Req_Fmt) {
RECV_INTEGER(recv_ctx.message.request_fmt, Phase_Req_Mid);
return true;
} else if (recv_ctx.phase == Phase_Req_Mid) {
}
else if (recv_ctx.phase == Phase_Req_Mid) {
RECV_INTEGER(recv_ctx.message.request_mid, Phase_Req_Sender);
return true;
} else if (recv_ctx.phase == Phase_Req_Sender) {
}
else if (recv_ctx.phase == Phase_Req_Sender) {
RECV_INTEGER(recv_ctx.message.request_sender, Phase_Req_Url_Len);
return true;
} else if (recv_ctx.phase == Phase_Req_Url_Len) {
}
else if (recv_ctx.phase == Phase_Req_Url_Len) {
unsigned char *p = (unsigned char *) &recv_ctx.message.request_url_len;
p[recv_ctx.size_in_phase++] = ch;
if (recv_ctx.size_in_phase
== sizeof(recv_ctx.message.request_url_len)) {
recv_ctx.message.request_url_len = ntohs(
recv_ctx.message.request_url_len);
recv_ctx.message.request_url = bh_malloc(
recv_ctx.message.request_url_len + 1);
if (recv_ctx.size_in_phase ==
sizeof(recv_ctx.message.request_url_len)) {
recv_ctx.message.request_url_len =
ntohs(recv_ctx.message.request_url_len);
recv_ctx.message.request_url =
bh_malloc(recv_ctx.message.request_url_len + 1);
if (NULL == recv_ctx.message.request_url)
goto fail;
memset(recv_ctx.message.request_url, 0,
recv_ctx.message.request_url_len + 1);
recv_ctx.message.request_url_len + 1);
recv_ctx.phase = Phase_Req_Payload_Len;
recv_ctx.size_in_phase = 0;
}
return true;
} else if (recv_ctx.phase == Phase_Req_Payload_Len) {
}
else if (recv_ctx.phase == Phase_Req_Payload_Len) {
RECV_INTEGER(recv_ctx.message.wasm_app_size, Phase_Req_Url);
return true;
} else if (recv_ctx.phase == Phase_Req_Url) {
}
else if (recv_ctx.phase == Phase_Req_Url) {
recv_ctx.message.request_url[recv_ctx.size_in_phase++] = ch;
if (recv_ctx.size_in_phase == recv_ctx.message.request_url_len) {
recv_ctx.phase = Phase_Wasm_Magic;
recv_ctx.size_in_phase = 0;
}
return true;
} else if (recv_ctx.phase == Phase_Wasm_Magic) {
}
else if (recv_ctx.phase == Phase_Wasm_Magic) {
/* start to receive wasm app binary */
unsigned char *p =
(unsigned char *) &recv_ctx.message.wasm_app_binary.magic;
@ -771,14 +827,14 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
else
goto fail;
if (recv_ctx.size_in_phase
== sizeof(recv_ctx.message.wasm_app_binary.magic)) {
if (recv_ctx.size_in_phase ==
sizeof(recv_ctx.message.wasm_app_binary.magic)) {
recv_ctx.phase = Phase_Wasm_Version;
recv_ctx.size_in_phase = 0;
}
return true;
} else if (recv_ctx.phase == Phase_Wasm_Version) {
}
else if (recv_ctx.phase == Phase_Wasm_Version) {
unsigned char *p =
(unsigned char *) &recv_ctx.message.wasm_app_binary.version;
@ -787,14 +843,14 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
else
goto fail;
if (recv_ctx.size_in_phase
== sizeof(recv_ctx.message.wasm_app_binary.version)) {
if (recv_ctx.size_in_phase ==
sizeof(recv_ctx.message.wasm_app_binary.version)) {
recv_ctx.phase = Phase_Wasm_Section_Type;
recv_ctx.size_in_phase = 0;
}
return true;
} else if (recv_ctx.phase == Phase_Wasm_Section_Type) {
}
else if (recv_ctx.phase == Phase_Wasm_Section_Type) {
wasm_section_t *new_section;
if (!(new_section = (wasm_section_t *) bh_malloc(sizeof(wasm_section_t))))
@ -808,7 +864,8 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
if (NULL == recv_ctx.message.wasm_app_binary.sections) {
recv_ctx.message.wasm_app_binary.sections = new_section;
recv_ctx.message.wasm_app_binary.section_end = new_section;
} else {
}
else {
recv_ctx.message.wasm_app_binary.section_end->next = new_section;
recv_ctx.message.wasm_app_binary.section_end = new_section;
}
@ -817,7 +874,8 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
recv_ctx.size_in_phase = 0;
return true;
} else if (recv_ctx.phase == Phase_Wasm_Section_Size) {
}
else if (recv_ctx.phase == Phase_Wasm_Section_Size) {
/* the last section is the current receiving one */
wasm_section_t *section = recv_ctx.message.wasm_app_binary.section_end;
uint32 byte;
@ -830,8 +888,8 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
<< recv_ctx.size_in_phase * 7);
recv_ctx.size_in_phase++;
/* check leab128 overflow for uint32 value */
if (recv_ctx.size_in_phase
> (sizeof(section->section_body_size) * 8 + 7 - 1) / 7) {
if (recv_ctx.size_in_phase >
(sizeof(section->section_body_size) * 8 + 7 - 1) / 7) {
app_manager_printf(" LEB overflow when parsing section size\n");
goto fail;
}
@ -845,7 +903,8 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
}
return true;
} else if (recv_ctx.phase == Phase_Wasm_Section_Content) {
}
else if (recv_ctx.phase == Phase_Wasm_Section_Content) {
/* the last section is the current receiving one */
wasm_section_t *section = recv_ctx.message.wasm_app_binary.section_end;
@ -861,9 +920,11 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
recv_ctx.message.request_url = NULL;
memset(&recv_ctx, 0, sizeof(recv_ctx));
return true;
} else
}
else
goto fail;
} else {
}
else {
recv_ctx.phase = Phase_Wasm_Section_Type;
recv_ctx.size_in_phase = 0;
return true;
@ -873,7 +934,8 @@ static bool wasm_app_module_on_install_request_byte_arrive(uint8 ch,
return true;
}
fail: if (recv_ctx.message.wasm_app_binary.sections != NULL) {
fail:
if (recv_ctx.message.wasm_app_binary.sections != NULL) {
destroy_wasm_sections_list(recv_ctx.message.wasm_app_binary.sections);
recv_ctx.message.wasm_app_binary.sections = NULL;
}
@ -915,13 +977,14 @@ static bool module_wasm_app_handle_install_msg(install_wasm_app_msg_t *message)
/* Request payload is set to wasm_app_file_t struct,
* but not whole app buffer */
memcpy(request->payload, &message->wasm_app_binary, request->payload_len);
bh_memcpy_s(request->payload, request->payload_len,
&message->wasm_app_binary, request->payload_len);
/* Since it's a wasm app install request, so directly post to app-mgr's
* queue. The benefit is that section list can be freed when the msg
* failed to post to app-mgr's queue. The defect is missing url check. */
if (!(msg = bh_new_msg(RESTFUL_REQUEST, request, sizeof(*request),
request_cleaner))) {
request_cleaner))) {
request_cleaner(request);
return false;
}
@ -970,9 +1033,11 @@ static void destroy_wasm_section_from_list(wasm_section_t **sections, int type)
bh_free(cur->section_body);
bh_free(cur);
break;
} else {
}
else {
prev = cur;
}
cur = next;
}
}