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Register cleanup with atexit for OpenSSL compat layer

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This commit is contained in:
Juliusz Sosinowicz
2021-08-14 00:19:12 +02:00
parent 93a53d72de
commit bfbb445e06
2 changed files with 19 additions and 1 deletions
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2
configure.ac
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@ -115,7 +115,7 @@ AC_C_BIGENDIAN
# check if functions of interest are linkable, but also check if
# they're declared by the expected headers, and if not, supersede the
# unusable positive from AC_CHECK_FUNCS().
AC_CHECK_FUNCS([gethostbyname getaddrinfo gettimeofday gmtime_r inet_ntoa memset socket strftime])
AC_CHECK_FUNCS([gethostbyname getaddrinfo gettimeofday gmtime_r inet_ntoa memset socket strftime atexit])
AC_CHECK_DECLS([gethostbyname, getaddrinfo, gettimeofday, gmtime_r, inet_ntoa, memset, socket, strftime], [], [
if test "$(eval echo \$"$(eval 'echo ac_cv_func_${as_decl_name}')")" = "yes"
then

18
src/ssl.c
View File

@ -5004,6 +5004,16 @@ int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify)
static int wolfSSL_RAND_InitMutex(void);
#endif
#if defined(OPENSSL_EXTRA) && defined(HAVE_ATEXIT)
static void AtExitCleanup(void)
{
if (initRefCount > 0) {
initRefCount = 1;
(void)wolfSSL_Cleanup();
}
}
#endif
WOLFSSL_ABI
int wolfSSL_Init(void)
{
@ -5024,6 +5034,14 @@ int wolfSSL_Init(void)
#endif
#ifdef OPENSSL_EXTRA
#ifdef HAVE_ATEXIT
/* OpenSSL registers cleanup using atexit */
if (atexit(AtExitCleanup) != 0) {
WOLFSSL_MSG("Bad atexit registration");
return WC_INIT_E;
}
#endif
#ifndef WOLFSSL_NO_OPENSSL_RAND_CB
if (wolfSSL_RAND_InitMutex() != 0) {
return BAD_MUTEX_E;