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Protect test info access with mutex

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott
2023-11-27 17:29:05 +00:00
parent c7a1e9936a
commit 65064265c2
3 changed files with 204 additions and 29 deletions
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208
tests/src/helpers.c
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@@ -13,6 +13,10 @@
#include <test/psa_crypto_helpers.h>
#endif
#if defined(MBEDTLS_THREADING_C)
#include "mbedtls/threading.h"
#endif
/*----------------------------------------------------------------------------*/
/* Static global variables */
@@ -22,76 +26,200 @@ static mbedtls_platform_context platform_ctx;
mbedtls_test_info_t mbedtls_test_info;
#ifdef MBEDTLS_THREADING_C
mbedtls_threading_mutex_t mbedtls_test_info_mutex;
#endif /* MBEDTLS_THREADING_C */
/*----------------------------------------------------------------------------*/
/* Mbedtls Test Info accessors */
mbedtls_test_result_t mbedtls_test_get_result(void)
{
return mbedtls_test_info.result;
mbedtls_test_result_t result;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
result = mbedtls_test_info.result;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return result;
}
void mbedtls_test_set_result(mbedtls_test_result_t result, const char *test,
int line_no, const char *filename)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
mbedtls_test_info.result = result;
mbedtls_test_info.test = test;
mbedtls_test_info.line_no = line_no;
mbedtls_test_info.filename = filename;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
const char *mbedtls_test_get_test(void)
{
return mbedtls_test_info.test;
const char *test;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
test = mbedtls_test_info.test;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return test;
}
const char *mbedtls_get_test_filename(void)
{
return mbedtls_test_info.filename;
const char *filename;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
/* It should be ok just to pass back the pointer here, as it is going to
* be a pointer into non changing data. */
filename = mbedtls_test_info.filename;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return filename;
}
int mbedtls_test_get_line_no(void)
{
return mbedtls_test_info.line_no;
int line_no;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
line_no = mbedtls_test_info.line_no;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return line_no;
}
void mbedtls_test_increment_step(void)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
++mbedtls_test_info.step;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
unsigned long mbedtls_test_get_step(void)
{
return mbedtls_test_info.step;
unsigned long step;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
step = mbedtls_test_info.step;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return step;
}
void mbedtls_test_set_step(unsigned long step) {
mbedtls_test_info.step = step;
}
const char *mbedtls_test_get_line1(void)
void mbedtls_test_set_step(unsigned long step)
{
return mbedtls_test_info.line1;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
mbedtls_test_info.step = step;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
void mbedtls_test_get_line1(char *line)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
memcpy(line, mbedtls_test_info.line1, MBEDTLS_TEST_LINE_LENGTH);
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
void mbedtls_test_set_line1(const char *line)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
if (line == NULL) {
memset(mbedtls_test_info.line1, 0, sizeof(mbedtls_test_info.line1));
memset(mbedtls_test_info.line1, 0, MBEDTLS_TEST_LINE_LENGTH);
} else {
strncpy(mbedtls_test_info.line1, line, sizeof(mbedtls_test_info.line1));
memcpy(mbedtls_test_info.line1, line, MBEDTLS_TEST_LINE_LENGTH);
}
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
const char *mbedtls_test_get_line2(void)
void mbedtls_test_get_line2(char *line)
{
return mbedtls_test_info.line2;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
memcpy(line, mbedtls_test_info.line2, MBEDTLS_TEST_LINE_LENGTH);
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
void mbedtls_test_set_line2(const char *line) {
void mbedtls_test_set_line2(const char *line)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
if (line == NULL) {
memset(mbedtls_test_info.line2, 0, sizeof(mbedtls_test_info.line2));
memset(mbedtls_test_info.line2, 0, MBEDTLS_TEST_LINE_LENGTH);
} else {
strncpy(mbedtls_test_info.line2, line, sizeof(mbedtls_test_info.line2));
memcpy(mbedtls_test_info.line2, line, MBEDTLS_TEST_LINE_LENGTH);
}
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
@@ -103,9 +231,17 @@ const char *mbedtls_test_get_mutex_usage_error(void)
void mbedtls_test_set_mutex_usage_error(const char *msg)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
if (mbedtls_test_info.mutex_usage_error == NULL || msg == NULL) {
mbedtls_test_info.mutex_usage_error = msg;
}
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
#endif // #if defined(MBEDTLS_TEST_MUTEX_USAGE)
@@ -113,17 +249,43 @@ void mbedtls_test_set_mutex_usage_error(const char *msg)
unsigned mbedtls_test_get_case_uses_negative_0(void)
{
return mbedtls_test_info.case_uses_negative_0;
unsigned test_case_uses_negative_0 = 0;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
test_case_uses_negative_0 = mbedtls_test_info.case_uses_negative_0;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return test_case_uses_negative_0;
}
void mbedtls_test_set_case_uses_negative_0(unsigned uses)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
mbedtls_test_info.case_uses_negative_0 = uses;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
void mbedtls_test_increment_case_uses_negative_0(void)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_lock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
++mbedtls_test_info.case_uses_negative_0;
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_unlock(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
}
#endif
@@ -150,11 +312,19 @@ int mbedtls_test_platform_setup(void)
ret = mbedtls_platform_setup(&platform_ctx);
#endif /* MBEDTLS_PLATFORM_C */
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_init(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
return ret;
}
void mbedtls_test_platform_teardown(void)
{
#ifdef MBEDTLS_THREADING_C
mbedtls_mutex_free(&mbedtls_test_info_mutex);
#endif /* MBEDTLS_THREADING_C */
#if defined(MBEDTLS_PLATFORM_C)
mbedtls_platform_teardown(&platform_ctx);
#endif /* MBEDTLS_PLATFORM_C */