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Merge pull request #2181 from jgrasboeck/fix_openvpn_auth_failed_reply

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Openvpn: only send AUTH_FAILED reply on auth errors
This commit is contained in:
Ilya Shipitsin
2026-02-14 11:06:26 +01:00
committed by GitHub
parent 0e36e095f0 4a4c1c79de
commit 6f749ab71c
1 changed files with 10 additions and 3 deletions
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13
src/Cedar/Proto_OpenVPN.c
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@ -2562,9 +2562,16 @@ void OvsRecvPacket(OPENVPN_SERVER *s, LIST *recv_packet_list, UINT protocol)
Debug("OpenVPN Channel %u Failed.\n", j);
OvsLog(s, se, c, "LO_CHANNEL_FAILED");
// Return the AUTH_FAILED
str = "AUTH_FAILED";
WriteFifo(c->SslPipe->SslInOut->SendFifo, str, StrSize(str));
if ((se->IpcAsync->ErrorCode == ERR_AUTHTYPE_NOT_SUPPORTED) ||
(se->IpcAsync->ErrorCode == ERR_AUTH_FAILED) ||
(se->IpcAsync->ErrorCode == ERR_PROXY_AUTH_FAILED) ||
(se->IpcAsync->ErrorCode == ERR_USER_AUTHTYPE_NOT_PASSWORD) ||
(se->IpcAsync->ErrorCode == ERR_NOT_SUPPORTED_AUTH_ON_OPENSOURCE))
{
// Return the AUTH_FAILED
str = "AUTH_FAILED";
WriteFifo(c->SslPipe->SslInOut->SendFifo, str, StrSize(str));
}
s->SessionEstablishedCount++;