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Cleanup buffer and try to detect anomalies in sptps on ans_key_h

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thorkill 2016-05-19 00:21:59 +02:00
parent c6e34c3b8c
commit 931e5dbea9
1 changed files with 6 additions and 1 deletions
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7
src/protocol_key.c
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@ -445,7 +445,12 @@ bool ans_key_h(connection_t *c, const char *request) {
if(from->status.sptps) {
char buf[strlen(key)];
int len = b64decode(key, buf, strlen(key));
memset(buf, 0x00, sizeof(buf));
size_t len = b64decode(key, buf, strlen(key));
if (!from->sptps.state)
logger(DEBUG_ALWAYS, LOG_ERR, "We should support sptps but state is zero in ans_key_h! %s (%s)", c->name, c->hostname);
if(!len || !sptps_receive_data(&from->sptps, buf, len)) {
/* Uh-oh. It might be that the tunnel is stuck in some corrupted state,
so let's restart SPTPS in case that helps. But don't do that too often