tnc-ifmap: Null-terminate buffer to make sscanf()-calls safe

This commit is contained in:
Tobias Brunner 2017-05-23 12:37:05 +02:00
parent c001716642
commit a9b698f5be
1 changed files with 5 additions and 4 deletions

View File

@ -80,7 +80,7 @@ METHOD(tnc_ifmap_soap_msg_t, post, bool,
xmlChar *xml_str, *errorCode, *errorString;
int xml_len, len, written;
chunk_t xml, http;
char buf[4096];
char buf[4096] = { 0 };
status_t status;
DBG2(DBG_TNC, "sending ifmap %s", request->name);
@ -131,7 +131,8 @@ METHOD(tnc_ifmap_soap_msg_t, post, bool,
xml = chunk_empty;
do
{
len = this->tls->read(this->tls, buf, sizeof(buf), TRUE);
/* reduce size so the buffer is null-terminated */
len = this->tls->read(this->tls, buf, sizeof(buf)-1, TRUE);
if (len <= 0)
{
return FALSE;