[sr-dev] git:andrei/tcp_tls_changes: tls: partial SSL_write support when reading ( tls_read_f)

Module: sip-router Branch: andrei/tcp_tls_changes Commit: 813284bad28a11c985cbd4ce370fdee98c815e88 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=813284b… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Fri Jul 9 20:03:45 2010 +0200 tls: partial SSL_write support when reading (tls_read_f) When writing-on-read (due to queued send data waiting for a renegotiation to complete), retry the write if it did not have enough buffer space to complete (after freeing the buffer space by tcp_send-ing its content). --- modules/tls/tls_server.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/modules/tls/tls_server.c b/modules/tls/tls_server.c index 8d45b53..122141e 100644 --- a/modules/tls/tls_server.c +++ b/modules/tls/tls_server.c @@ -1151,9 +1151,15 @@ ssl_read_skipped: } goto end; /* no more data to read */ case SSL_ERROR_WANT_WRITE: - /* write buffer too small, nothing written */ + if (wr.used) { + /* something was written => buffer not big enough to hold + everything => reset buffer & retry (the tcp_write already + happened if we are here) */ + goto continue_ssl_read; + } + /* else write buffer too small, nothing written */ BUG("write buffer too small (%d/%d bytes)\n", - wr.used, wr.size); + wr.used, wr.size); goto bug; case SSL_ERROR_SSL: /* protocol level error */