Branch: refs/heads/3.4
Home: https://github.com/OpenSIPS/opensips
Commit: c9df0f77268f9bd6014e1b194f761028f71baf0f
https://github.com/OpenSIPS/opensips/commit/c9df0f77268f9bd6014e1b194f761028f71baf0f
Author: Your Name <[email protected]>
Date: 2025-04-17 (Thu, 17 Apr 2025)
Changed paths:
M modules/tls_openssl/openssl_conn_ops.c
Log Message:
-----------
tls_openssl: fix openssl_tls_async_connect
The `fd` value here is used with `poll()`/`select()` in the event that
`SSL_connect()`
gives an `SSL_ERROR_WANT_WRITE` error. So we need to be polling/selecting on
the fd that
is used by the underlying socket, which is the fd passed as an argument to the
function,
rather than `con->fd`.
It seems to me that `handle_io()` updates `con->fd` to match the received fd
number only
when the socket wants reading and not when it wants writing. When the socket
wants writing
the correct fd to use is the one that is passed in the function argument, not
the one
that is in `con->fd`.
The reasons this mostly worked before are:
1. on a box that is not heavily-loaded you often end up with the same worker
setting up
the TLS session as opened the socket in the first place, so the fd in
`con->fd happens
to be correct.
2. if `SSL_connect()` happily connects straight away, without an
`SSL_ERROR_WANT_WRITE`,
then you never run into a code path that uses the value in `fd` anyway.
(cherry picked from commit 58977a99484120d32e1bf7968a54c140e6465e78)
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