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wolfssl-multi-test fixes:

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- Remove RetrySendAlert and SendAlert recursion
- args possible NULL dereference
This commit is contained in:
Juliusz Sosinowicz
2022-06-02 16:08:25 +02:00
parent fb9f90b98b
commit 3d71956b48
2 changed files with 43 additions and 35 deletions
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74
src/internal.c
View File

@@ -18579,13 +18579,14 @@ int BuildCertHashes(WOLFSSL* ssl, Hashes* hashes)
#ifndef WOLFSSL_NO_TLS12
void FreeBuildMsgArgs(WOLFSSL* ssl, BuildMsgArgs* args)
{
(void)ssl;
if (args
#ifdef WOLFSSL_ASYNC_CRYPT
&& ssl->options.buildArgsSet
#endif
) {
/* only free the IV if it was dynamically allocated */
if (ssl && args->iv && (args->iv != args->staticIvBuffer)) {
if (args->iv && (args->iv != args->staticIvBuffer)) {
XFREE(args->iv, ssl->heap, DYNAMIC_TYPE_SALT);
}
}
@@ -20597,22 +20598,7 @@ startScr:
return size;
}
int RetrySendAlert(WOLFSSL* ssl)
{
int type = ssl->pendingAlert.code;
int severity = ssl->pendingAlert.level;
if (severity == alert_none)
return 0;
ssl->pendingAlert.code = 0;
ssl->pendingAlert.level = alert_none;
return SendAlert(ssl, severity, type);
}
/* send alert message */
int SendAlert(WOLFSSL* ssl, int severity, int type)
static int SendAlert_ex(WOLFSSL* ssl, int severity, int type)
{
byte input[ALERT_SIZE];
byte *output;
@@ -20643,21 +20629,6 @@ int SendAlert(WOLFSSL* ssl, int severity, int type)
}
#endif
if (ssl->pendingAlert.level != alert_none) {
ret = RetrySendAlert(ssl);
if (ret != 0) {
if (ssl->pendingAlert.level == alert_none ||
(ssl->pendingAlert.level != alert_fatal &&
severity == alert_fatal)) {
/* Store current alert if pendingAlert if free or if current
* is fatal and previous was not */
ssl->pendingAlert.code = type;
ssl->pendingAlert.level = severity;
}
return ret;
}
}
ssl->pendingAlert.code = type;
ssl->pendingAlert.level = severity;
@@ -20756,6 +20727,43 @@ int SendAlert(WOLFSSL* ssl, int severity, int type)
return ret;
}
int RetrySendAlert(WOLFSSL* ssl)
{
int type = ssl->pendingAlert.code;
int severity = ssl->pendingAlert.level;
if (severity == alert_none)
return 0;
ssl->pendingAlert.code = 0;
ssl->pendingAlert.level = alert_none;
return SendAlert_ex(ssl, severity, type);
}
/* send alert message */
int SendAlert(WOLFSSL* ssl, int severity, int type)
{
int ret;
if (ssl->pendingAlert.level != alert_none) {
ret = RetrySendAlert(ssl);
if (ret != 0) {
if (ssl->pendingAlert.level == alert_none ||
(ssl->pendingAlert.level != alert_fatal &&
severity == alert_fatal)) {
/* Store current alert if pendingAlert is empty or if current
* is fatal and previous was not */
ssl->pendingAlert.code = type;
ssl->pendingAlert.level = severity;
}
return ret;
}
}
return SendAlert_ex(ssl, severity, type);
}
const char* wolfSSL_ERR_reason_error_string(unsigned long e)
{
#ifdef NO_ERROR_STRINGS
@@ -29533,7 +29541,7 @@ static int DoSessionTicket(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
#endif /* WOLFSSL_ASYNC_IO */
/* Final cleanup */
if (args->input != NULL) {
if (args != NULL && args->input != NULL) {
XFREE(args->input, ssl->heap, DYNAMIC_TYPE_IN_BUFFER);
args->input = NULL;
}

4
src/tls13.c
View File

@@ -4646,7 +4646,7 @@ static void FreeDch13Args(WOLFSSL* ssl, void* pArgs)
(void)ssl;
if (args->clSuites) {
if (args && args->clSuites) {
XFREE(args->clSuites, ssl->heap, DYNAMIC_TYPE_SUITES);
args->clSuites = NULL;
}
@@ -6097,7 +6097,7 @@ static void FreeScv13Args(WOLFSSL* ssl, void* pArgs)
(void)ssl;
if (args->sigData) {
if (args && args->sigData) {
XFREE(args->sigData, ssl->heap, DYNAMIC_TYPE_SIGNATURE);
args->sigData = NULL;
}