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fix NULL pointer dereference in wolfSSL_CTX_new() for ctx->srp if ctx is NULL

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This commit is contained in:
Chris Conlon
2017-12-20 17:21:57 -07:00
parent 6bb60581ea
commit 8ab4e5d18c
1 changed files with 8 additions and 7 deletions
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15
src/ssl.c
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@ -326,18 +326,19 @@ WOLFSSL_CTX* wolfSSL_CTX_new(WOLFSSL_METHOD* method)
void wolfSSL_CTX_free(WOLFSSL_CTX* ctx)
{
WOLFSSL_ENTER("SSL_CTX_free");
if (ctx) {
#if defined(OPENSSL_EXTRA) && defined(WOLFCRYPT_HAVE_SRP) \
&& !defined(NO_SHA256) && !defined(WC_NO_RNG)
if (ctx->srp != NULL){
if (ctx->srp_password != NULL){
XFREE(ctx->srp_password, ctx->heap, DYNAMIC_TYPE_SRP);
if (ctx->srp != NULL){
if (ctx->srp_password != NULL){
XFREE(ctx->srp_password, ctx->heap, DYNAMIC_TYPE_SRP);
}
wc_SrpTerm(ctx->srp);
XFREE(ctx->srp, ctx->heap, DYNAMIC_TYPE_SRP);
}
wc_SrpTerm(ctx->srp);
XFREE(ctx->srp, ctx->heap, DYNAMIC_TYPE_SRP);
}
#endif
if (ctx)
FreeSSL_Ctx(ctx);
}
WOLFSSL_LEAVE("SSL_CTX_free", 0);
}