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PR: 2748

Browse source 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix possible DTLS timer deadlock.
This commit is contained in:
Dr. Stephen Henson 2012-03-06 13:26:15 +00:00
parent d895f7f060
commit 0fbf8b9cea
2 changed files with 4 additions and 5 deletions
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2
ssl/d1_clnt.c
View file

@ -330,7 +330,6 @@ int dtls1_connect(SSL *s)
if (ret <= 0) goto end;
else
{
dtls1_stop_timer(s);
if (s->hit)
{
#ifndef OPENSSL_NO_SCTP
@ -441,6 +440,7 @@ int dtls1_connect(SSL *s)
case SSL3_ST_CR_SRVR_DONE_B:
ret=ssl3_get_server_done(s);
if (ret <= 0) goto end;
dtls1_stop_timer(s);
if (s->s3->tmp.cert_req)
s->s3->tmp.next_state=SSL3_ST_CW_CERT_A;
else

7
ssl/d1_srvr.c
View file

@ -591,15 +591,16 @@ int dtls1_accept(SSL *s)
ret = ssl3_check_client_hello(s);
if (ret <= 0)
goto end;
dtls1_stop_timer(s);
if (ret == 2)
{
dtls1_stop_timer(s);
s->state = SSL3_ST_SR_CLNT_HELLO_C;
}
else {
/* could be sent for a DH cert, even if we
* have not asked for it :-) */
ret=ssl3_get_client_certificate(s);
if (ret <= 0) goto end;
dtls1_stop_timer(s);
s->init_num=0;
s->state=SSL3_ST_SR_KEY_EXCH_A;
}
@ -609,7 +610,6 @@ int dtls1_accept(SSL *s)
case SSL3_ST_SR_KEY_EXCH_B:
ret=ssl3_get_client_key_exchange(s);
if (ret <= 0) goto end;
dtls1_stop_timer(s);
#ifndef OPENSSL_NO_SCTP
/* Add new shared key for SCTP-Auth,
* will be ignored if no SCTP used.
@ -661,7 +661,6 @@ int dtls1_accept(SSL *s)
/* we should decide if we expected this one */
ret=ssl3_get_cert_verify(s);
if (ret <= 0) goto end;
dtls1_stop_timer(s);
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
state == SSL_ST_RENEGOTIATE)