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add sanity check for wolfSSL_X509_NAME_oneline function

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This commit is contained in:
Jacob Barthelmeh 2017-06-15 11:55:37 -06:00
parent 1d303f5f61
commit bb6582896d
1 changed files with 9 additions and 2 deletions
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11
src/ssl.c
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@ -13523,7 +13523,14 @@ static void ExternalFreeX509(WOLFSSL_X509* x509)
malloc buffer, call responsible for freeing */
char* wolfSSL_X509_NAME_oneline(WOLFSSL_X509_NAME* name, char* in, int sz)
{
int copySz = min(sz, name->sz);
int copySz;
if (name == NULL) {
WOLFSSL_MSG("WOLFSSL_X509_NAME pointer was NULL");
return NULL;
}
copySz = min(sz, name->sz);
WOLFSSL_ENTER("wolfSSL_X509_NAME_oneline");
if (!name->sz) return in;
@ -13539,7 +13546,7 @@ static void ExternalFreeX509(WOLFSSL_X509* x509)
#endif
}
if (copySz == 0)
if (copySz <= 0)
return in;
XMEMCPY(in, name->name, copySz - 1);