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AP_Scripting: Protect send_text from reading the stack 

Also fixes small alignment problem in generated code
master
Michael du Breuil 6 years ago committed by Peter Barker
parent
81222fbde0
commit
9e04939adf
3 changed files with 58 additions and 80 deletions
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  1. 2
      libraries/AP_Scripting/generator/description/bindings.desc
  2. 42
      libraries/AP_Scripting/generator/src/main.c
  3. 94
      libraries/AP_Scripting/lua_generated_bindings.cpp

2
libraries/AP_Scripting/generator/description/bindings.desc
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@ -132,4 +132,4 @@ singleton AP_Relay method toggle void uint8_t 0 AP_RELAY_NUM_RELAYS @@ -132,4 +132,4 @@ singleton AP_Relay method toggle void uint8_t 0 AP_RELAY_NUM_RELAYS
include GCS_MAVLink/GCS.h
singleton GCS alias gcs
singleton GCS method send_text void MAV_SEVERITY'enum MAV_SEVERITY_EMERGENCY MAV_SEVERITY_DEBUG string
singleton GCS method send_text void MAV_SEVERITY'enum MAV_SEVERITY_EMERGENCY MAV_SEVERITY_DEBUG "%s"'literal string

42
libraries/AP_Scripting/generator/src/main.c
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@ -1133,10 +1133,12 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth @@ -1133,10 +1133,12 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth
arg = method->arguments;
arg_count = 2;
while (arg != NULL) {
// emit_checker will emit a nullable argument for us
emit_checker(arg->type, arg_count, " ", "argument");
if (arg->type.type != TYPE_LITERAL) {
// emit_checker will emit a nullable argument for us
emit_checker(arg->type, arg_count, " ", "argument");
arg_count++;
}
arg = arg->next;
arg_count++;
}
if (data->flags & UD_FLAG_SEMAPHORE) {
@ -1145,46 +1147,50 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth @@ -1145,46 +1147,50 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth
switch (method->return_type.type) {
case TYPE_BOOLEAN:
fprintf(source, " const bool data = ud->%s(\n", method->name);
fprintf(source, " const bool data = ud->%s(", method->name);
break;
case TYPE_FLOAT:
fprintf(source, " const float data = ud->%s(\n", method->name);
fprintf(source, " const float data = ud->%s(", method->name);
break;
case TYPE_INT8_T:
fprintf(source, " const int8_t data = ud->%s(\n", method->name);
fprintf(source, " const int8_t data = ud->%s(", method->name);
break;
case TYPE_INT16_T:
fprintf(source, " const int6_t data = ud->%s(\n", method->name);
fprintf(source, " const int6_t data = ud->%s(", method->name);
break;
case TYPE_INT32_T:
fprintf(source, " const int32_t data = ud->%s(\n", method->name);
fprintf(source, " const int32_t data = ud->%s(", method->name);
break;
case TYPE_STRING:
fprintf(source, " const char * data = ud->%s(\n", method->name);
fprintf(source, " const char * data = ud->%s(", method->name);
break;
case TYPE_UINT8_T:
fprintf(source, " const uint8_t data = ud->%s(\n", method->name);
fprintf(source, " const uint8_t data = ud->%s(", method->name);
break;
case TYPE_UINT16_T:
fprintf(source, " const uint16_t data = ud->%s(\n", method->name);
fprintf(source, " const uint16_t data = ud->%s(", method->name);
break;
case TYPE_UINT32_T:
fprintf(source, " const uint32_t data = ud->%s(\n", method->name);
fprintf(source, " const uint32_t data = ud->%s(", method->name);
break;
case TYPE_ENUM:
fprintf(source, " const %s &data = ud->%s(\n", method->return_type.data.enum_name, method->name);
fprintf(source, " const %s &data = ud->%s(", method->return_type.data.enum_name, method->name);
break;
case TYPE_USERDATA:
fprintf(source, " const %s &data = ud->%s(\n", method->return_type.data.userdata_name, method->name);
fprintf(source, " const %s &data = ud->%s(", method->return_type.data.userdata_name, method->name);
break;
case TYPE_NONE:
fprintf(source, " ud->%s(\n", method->name);
fprintf(source, " ud->%s(", method->name);
break;
case TYPE_LITERAL:
error(ERROR_USERDATA, "Can't return a literal from a method");
break;
}
if (arg_count != 2) {
fprintf(source, "\n");
}
arg = method->arguments;
arg_count = 2;
while (arg != NULL) {
@ -1209,13 +1215,15 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth @@ -1209,13 +1215,15 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth
error(ERROR_INTERNAL, "Can't pass nil as an argument");
break;
}
if (arg->type.type != TYPE_LITERAL) {
arg_count++;
}
arg = arg->next;
if (arg != NULL) {
fprintf(source, ",\n");
}
arg_count++;
}
fprintf(source, "%s);\n\n", arg_count == 2 ? " " : "");
fprintf(source, "%s);\n\n", "");
if (data->flags & UD_FLAG_SEMAPHORE) {
fprintf(source, " ud->get_semaphore().give();\n");

94
libraries/AP_Scripting/lua_generated_bindings.cpp
Unescape View File

@ -262,8 +262,7 @@ static int Location_lat(lua_State *L) { @@ -262,8 +262,7 @@ static int Location_lat(lua_State *L) {
static int Vector2f_is_zero(lua_State *L) {
binding_argcheck(L, 1);
Vector2f * ud = check_Vector2f(L, 1);
ud->is_zero(
);
ud->is_zero();
return 0;
}
@ -271,8 +270,7 @@ static int Vector2f_is_zero(lua_State *L) { @@ -271,8 +270,7 @@ static int Vector2f_is_zero(lua_State *L) {
static int Vector2f_is_inf(lua_State *L) {
binding_argcheck(L, 1);
Vector2f * ud = check_Vector2f(L, 1);
ud->is_inf(
);
ud->is_inf();
return 0;
}
@ -280,8 +278,7 @@ static int Vector2f_is_inf(lua_State *L) { @@ -280,8 +278,7 @@ static int Vector2f_is_inf(lua_State *L) {
static int Vector2f_is_nan(lua_State *L) {
binding_argcheck(L, 1);
Vector2f * ud = check_Vector2f(L, 1);
ud->is_nan(
);
ud->is_nan();
return 0;
}
@ -289,8 +286,7 @@ static int Vector2f_is_nan(lua_State *L) { @@ -289,8 +286,7 @@ static int Vector2f_is_nan(lua_State *L) {
static int Vector2f_normalize(lua_State *L) {
binding_argcheck(L, 1);
Vector2f * ud = check_Vector2f(L, 1);
ud->normalize(
);
ud->normalize();
return 0;
}
@ -298,8 +294,7 @@ static int Vector2f_normalize(lua_State *L) { @@ -298,8 +294,7 @@ static int Vector2f_normalize(lua_State *L) {
static int Vector2f_length(lua_State *L) {
binding_argcheck(L, 1);
Vector2f * ud = check_Vector2f(L, 1);
const float data = ud->length(
);
const float data = ud->length();
lua_pushnumber(L, data);
return 1;
@ -326,8 +321,7 @@ static int Vector2f___sub(lua_State *L) { @@ -326,8 +321,7 @@ static int Vector2f___sub(lua_State *L) {
static int Vector3f_is_zero(lua_State *L) {
binding_argcheck(L, 1);
Vector3f * ud = check_Vector3f(L, 1);
ud->is_zero(
);
ud->is_zero();
return 0;
}
@ -335,8 +329,7 @@ static int Vector3f_is_zero(lua_State *L) { @@ -335,8 +329,7 @@ static int Vector3f_is_zero(lua_State *L) {
static int Vector3f_is_inf(lua_State *L) {
binding_argcheck(L, 1);
Vector3f * ud = check_Vector3f(L, 1);
ud->is_inf(
);
ud->is_inf();
return 0;
}
@ -344,8 +337,7 @@ static int Vector3f_is_inf(lua_State *L) { @@ -344,8 +337,7 @@ static int Vector3f_is_inf(lua_State *L) {
static int Vector3f_is_nan(lua_State *L) {
binding_argcheck(L, 1);
Vector3f * ud = check_Vector3f(L, 1);
ud->is_nan(
);
ud->is_nan();
return 0;
}
@ -353,8 +345,7 @@ static int Vector3f_is_nan(lua_State *L) { @@ -353,8 +345,7 @@ static int Vector3f_is_nan(lua_State *L) {
static int Vector3f_normalize(lua_State *L) {
binding_argcheck(L, 1);
Vector3f * ud = check_Vector3f(L, 1);
ud->normalize(
);
ud->normalize();
return 0;
}
@ -362,8 +353,7 @@ static int Vector3f_normalize(lua_State *L) { @@ -362,8 +353,7 @@ static int Vector3f_normalize(lua_State *L) {
static int Vector3f_length(lua_State *L) {
binding_argcheck(L, 1);
Vector3f * ud = check_Vector3f(L, 1);
const float data = ud->length(
);
const float data = ud->length();
lua_pushnumber(L, data);
return 1;
@ -483,6 +473,7 @@ static int GCS_send_text(lua_State *L) { @@ -483,6 +473,7 @@ static int GCS_send_text(lua_State *L) {
const char * data_3 = luaL_checkstring(L, 3);
ud->send_text(
data_2,
"%s",
data_3);
return 0;
@ -650,8 +641,7 @@ static int AP_Terrain_status(lua_State *L) { @@ -650,8 +641,7 @@ static int AP_Terrain_status(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->status(
);
const uint8_t data = ud->status();
lua_pushinteger(L, data);
return 1;
@ -664,8 +654,7 @@ static int AP_Terrain_enabled(lua_State *L) { @@ -664,8 +654,7 @@ static int AP_Terrain_enabled(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->enabled(
);
const bool data = ud->enabled();
lua_pushboolean(L, data);
return 1;
@ -678,8 +667,7 @@ static int RangeFinder_num_sensors(lua_State *L) { @@ -678,8 +667,7 @@ static int RangeFinder_num_sensors(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->num_sensors(
);
const uint8_t data = ud->num_sensors();
lua_pushinteger(L, data);
return 1;
@ -706,8 +694,7 @@ static int AP_GPS_first_unconfigured_gps(lua_State *L) { @@ -706,8 +694,7 @@ static int AP_GPS_first_unconfigured_gps(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->first_unconfigured_gps(
);
const uint8_t data = ud->first_unconfigured_gps();
lua_pushinteger(L, data);
return 1;
@ -720,8 +707,7 @@ static int AP_GPS_all_configured(lua_State *L) { @@ -720,8 +707,7 @@ static int AP_GPS_all_configured(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->all_configured(
);
const bool data = ud->all_configured();
lua_pushboolean(L, data);
return 1;
@ -1047,8 +1033,7 @@ static int AP_GPS_primary_sensor(lua_State *L) { @@ -1047,8 +1033,7 @@ static int AP_GPS_primary_sensor(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->primary_sensor(
);
const uint8_t data = ud->primary_sensor();
lua_pushinteger(L, data);
return 1;
@ -1061,8 +1046,7 @@ static int AP_GPS_num_sensors(lua_State *L) { @@ -1061,8 +1046,7 @@ static int AP_GPS_num_sensors(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->num_sensors(
);
const uint8_t data = ud->num_sensors();
lua_pushinteger(L, data);
return 1;
@ -1115,8 +1099,7 @@ static int AP_BattMonitor_has_failsafed(lua_State *L) { @@ -1115,8 +1099,7 @@ static int AP_BattMonitor_has_failsafed(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->has_failsafed(
);
const bool data = ud->has_failsafed();
lua_pushboolean(L, data);
return 1;
@ -1283,8 +1266,7 @@ static int AP_BattMonitor_num_instances(lua_State *L) { @@ -1283,8 +1266,7 @@ static int AP_BattMonitor_num_instances(lua_State *L) {
}
binding_argcheck(L, 1);
const uint8_t data = ud->num_instances(
);
const uint8_t data = ud->num_instances();
lua_pushinteger(L, data);
return 1;
@ -1297,8 +1279,7 @@ static int AP_Arming_arm(lua_State *L) { @@ -1297,8 +1279,7 @@ static int AP_Arming_arm(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->arm(
AP_Arming::Method::SCRIPTING);
const bool data = ud->arm( AP_Arming::Method::SCRIPTING);
lua_pushboolean(L, data);
return 1;
@ -1311,8 +1292,7 @@ static int AP_Arming_is_armed(lua_State *L) { @@ -1311,8 +1292,7 @@ static int AP_Arming_is_armed(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->is_armed(
);
const bool data = ud->is_armed();
lua_pushboolean(L, data);
return 1;
@ -1325,8 +1305,7 @@ static int AP_Arming_disarm(lua_State *L) { @@ -1325,8 +1305,7 @@ static int AP_Arming_disarm(lua_State *L) {
}
binding_argcheck(L, 1);
const bool data = ud->disarm(
);
const bool data = ud->disarm();
lua_pushboolean(L, data);
return 1;
@ -1340,8 +1319,7 @@ static int AP_AHRS_prearm_healthy(lua_State *L) { @@ -1340,8 +1319,7 @@ static int AP_AHRS_prearm_healthy(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const bool data = ud->prearm_healthy(
);
const bool data = ud->prearm_healthy();
ud->get_semaphore().give();
lua_pushboolean(L, data);
@ -1356,8 +1334,7 @@ static int AP_AHRS_home_is_set(lua_State *L) { @@ -1356,8 +1334,7 @@ static int AP_AHRS_home_is_set(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const bool data = ud->home_is_set(
);
const bool data = ud->home_is_set();
ud->get_semaphore().give();
lua_pushboolean(L, data);
@ -1416,8 +1393,7 @@ static int AP_AHRS_groundspeed_vector(lua_State *L) { @@ -1416,8 +1393,7 @@ static int AP_AHRS_groundspeed_vector(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const Vector2f &data = ud->groundspeed_vector(
);
const Vector2f &data = ud->groundspeed_vector();
ud->get_semaphore().give();
new_Vector2f(L);
@ -1433,8 +1409,7 @@ static int AP_AHRS_wind_estimate(lua_State *L) { @@ -1433,8 +1409,7 @@ static int AP_AHRS_wind_estimate(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const Vector3f &data = ud->wind_estimate(
);
const Vector3f &data = ud->wind_estimate();
ud->get_semaphore().give();
new_Vector3f(L);
@ -1471,8 +1446,7 @@ static int AP_AHRS_get_gyro(lua_State *L) { @@ -1471,8 +1446,7 @@ static int AP_AHRS_get_gyro(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const Vector3f &data = ud->get_gyro(
);
const Vector3f &data = ud->get_gyro();
ud->get_semaphore().give();
new_Vector3f(L);
@ -1488,8 +1462,7 @@ static int AP_AHRS_get_home(lua_State *L) { @@ -1488,8 +1462,7 @@ static int AP_AHRS_get_home(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const Location &data = ud->get_home(
);
const Location &data = ud->get_home();
ud->get_semaphore().give();
new_Location(L);
@ -1527,8 +1500,7 @@ static int AP_AHRS_get_yaw(lua_State *L) { @@ -1527,8 +1500,7 @@ static int AP_AHRS_get_yaw(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const float data = ud->get_yaw(
);
const float data = ud->get_yaw();
ud->get_semaphore().give();
lua_pushnumber(L, data);
@ -1543,8 +1515,7 @@ static int AP_AHRS_get_pitch(lua_State *L) { @@ -1543,8 +1515,7 @@ static int AP_AHRS_get_pitch(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const float data = ud->get_pitch(
);
const float data = ud->get_pitch();
ud->get_semaphore().give();
lua_pushnumber(L, data);
@ -1559,8 +1530,7 @@ static int AP_AHRS_get_roll(lua_State *L) { @@ -1559,8 +1530,7 @@ static int AP_AHRS_get_roll(lua_State *L) {
binding_argcheck(L, 1);
ud->get_semaphore().take_blocking();
const float data = ud->get_roll(
);
const float data = ud->get_roll();
ud->get_semaphore().give();
lua_pushnumber(L, data);

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