PR: 1997
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org
DTLS timeout handling fix.
diff --git a/apps/s_client.c b/apps/s_client.c
index a41a915..c97597d 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -411,6 +411,7 @@
BIO *sbio;
char *inrand=NULL;
int mbuf_len=0;
+ struct timeval timeout, *timeoutp;
#ifndef OPENSSL_NO_ENGINE
char *engine_id=NULL;
char *ssl_client_engine_id=NULL;
@@ -979,7 +980,6 @@
if ( SSL_version(con) == DTLS1_VERSION)
{
- struct timeval timeout;
sbio=BIO_new_dgram(s,BIO_NOCLOSE);
if (getsockname(s, &peer, (void *)&peerlen) < 0)
@@ -1196,6 +1196,12 @@
FD_ZERO(&readfds);
FD_ZERO(&writefds);
+ if ((SSL_version(con) == DTLS1_VERSION) &&
+ DTLSv1_get_timeout(con, &timeout))
+ timeoutp = &timeout;
+ else
+ timeoutp = NULL;
+
if (SSL_in_init(con) && !SSL_total_renegotiations(con))
{
in_init=1;
@@ -1300,7 +1306,7 @@
if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
#endif
} else i=select(width,(void *)&readfds,(void *)&writefds,
- NULL,NULL);
+ NULL,timeoutp);
}
#elif defined(OPENSSL_SYS_NETWARE)
if(!write_tty) {
@@ -1310,7 +1316,7 @@
i=select(width,(void *)&readfds,(void *)&writefds,
NULL,&tv);
} else i=select(width,(void *)&readfds,(void *)&writefds,
- NULL,NULL);
+ NULL,timeoutp);
}
#elif defined(OPENSSL_SYS_BEOS_R5)
/* Under BeOS-R5 the situation is similar to DOS */
@@ -1328,12 +1334,12 @@
if (!i && (stdin_set != 1 || !read_tty))
continue;
} else i=select(width,(void *)&readfds,(void *)&writefds,
- NULL,NULL);
+ NULL,timeoutp);
}
(void)fcntl(fileno(stdin), F_SETFL, 0);
#else
i=select(width,(void *)&readfds,(void *)&writefds,
- NULL,NULL);
+ NULL,timeoutp);
#endif
if ( i < 0)
{
@@ -1344,6 +1350,11 @@
}
}
+ if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
+ {
+ BIO_printf(bio_err,"TIMEOUT occured\n");
+ }
+
if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
{
k=SSL_write(con,&(cbuf[cbuf_off]),