From 28a375d5b724021d2ca391aa708e90b2dbc0dd3b Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周一, 16 5月 2016 01:48:22 +0800
Subject: [PATCH] Fix buffer overflow in example handling of channel list
---
libscpi/inc/scpi/types.h | 84 +++++++++++++++++++++++++++++++++++++++---
1 files changed, 78 insertions(+), 6 deletions(-)
diff --git a/libscpi/inc/scpi/types.h b/libscpi/inc/scpi/types.h
index 4d56a82..c8ddf2e 100644
--- a/libscpi/inc/scpi/types.h
+++ b/libscpi/inc/scpi/types.h
@@ -201,8 +201,31 @@
typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *);
- /* scpi error queue */
- typedef void * scpi_error_queue_t;
+ struct _scpi_error_info_heap_t {
+ size_t wr;
+ //size_t rd;
+ size_t count;
+ size_t size;
+ char * data;
+ };
+ typedef struct _scpi_error_info_heap_t scpi_error_info_heap_t;
+
+ struct _scpi_error_t {
+ int16_t error_code;
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
+ char * device_dependent_info;
+#endif
+ };
+ typedef struct _scpi_error_t scpi_error_t;
+
+ struct _scpi_fifo_t {
+ int16_t wr;
+ int16_t rd;
+ int16_t count;
+ int16_t size;
+ scpi_error_t * data;
+ };
+ typedef struct _scpi_fifo_t scpi_fifo_t;
/* scpi units */
enum _scpi_unit_t {
@@ -212,8 +235,54 @@
SCPI_UNIT_OHM,
SCPI_UNIT_HERTZ,
SCPI_UNIT_CELSIUS,
- SCPI_UNIT_SECONDS,
- SCPI_UNIT_DISTANCE
+ SCPI_UNIT_SECOND,
+ SCPI_UNIT_METER,
+ SCPI_UNIT_GRAY,
+ SCPI_UNIT_BECQUEREL,
+ SCPI_UNIT_MOLE,
+ SCPI_UNIT_DEGREE,
+ SCPI_UNIT_GRADE,
+ SCPI_UNIT_RADIAN,
+ SCPI_UNIT_REVOLUTION,
+ SCPI_UNIT_STERADIAN,
+ SCPI_UNIT_SIEVERT,
+ SCPI_UNIT_FARAD,
+ SCPI_UNIT_COULOMB,
+ SCPI_UNIT_SIEMENS,
+ SCPI_UNIT_ELECTRONVOLT,
+ SCPI_UNIT_JOULE,
+ SCPI_UNIT_NEWTON,
+ SCPI_UNIT_LUX,
+ SCPI_UNIT_HENRY,
+ SCPI_UNIT_ASTRONOMIC_UNIT,
+ SCPI_UNIT_INCH,
+ SCPI_UNIT_FOOT,
+ SCPI_UNIT_PARSEC,
+ SCPI_UNIT_MILE,
+ SCPI_UNIT_NAUTICAL_MILE,
+ SCPI_UNIT_LUMEN,
+ SCPI_UNIT_CANDELA,
+ SCPI_UNIT_WEBER,
+ SCPI_UNIT_TESLA,
+ SCPI_UNIT_ATOMIC_MASS,
+ SCPI_UNIT_KILOGRAM,
+ SCPI_UNIT_WATT,
+ SCPI_UNIT_DBM,
+ SCPI_UNIT_ATMOSPHERE,
+ SCPI_UNIT_INCH_OF_MERCURY,
+ SCPI_UNIT_MM_OF_MERCURY,
+ SCPI_UNIT_PASCAL,
+ SCPI_UNIT_TORT,
+ SCPI_UNIT_BAR,
+ SCPI_UNIT_DECIBEL,
+ SCPI_UNIT_UNITLESS,
+ SCPI_UNIT_FAGRENHEIT,
+ SCPI_UNIT_KELVIN,
+ SCPI_UNIT_DAY,
+ SCPI_UNIT_YEAR,
+ SCPI_UNIT_STROKES,
+ SCPI_UNIT_POISE,
+ SCPI_UNIT_LITER
};
typedef enum _scpi_unit_t scpi_unit_t;
@@ -297,8 +366,11 @@
int_fast16_t output_count;
int_fast16_t input_count;
scpi_bool_t cmd_error;
- scpi_error_queue_t error_queue;
- scpi_reg_val_t * registers;
+ scpi_fifo_t error_queue;
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE
+ scpi_error_info_heap_t error_info_heap;
+#endif
+ scpi_reg_val_t registers[SCPI_REG_COUNT];
const scpi_unit_def_t * units;
void * user_context;
scpi_parser_state_t parser_state;
--
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