GnuTLS: clear errno before any data i/o op, so error logging does not see stale values

(cherry picked from commit d52a8ce8499fbb88f4670623df9f52d3e790292b)

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index dafe1be0c77203612fab78c9b86b77228c2bb095..6ee603595dbd3c3ebbd1b7ff89b84865c6e25a04 100644 (file)
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -3162,6 +3162,7 @@ DEBUG(D_tls) debug_printf("Calling gnutls_record_recv(session=%p, buffer=%p, buf
 sigalrm_seen = FALSE;
 if (smtp_receive_timeout > 0) ALARM(smtp_receive_timeout);
 
+errno = 0;
 do
   inbytes = gnutls_record_recv(state->session, state->xfer_buffer,
     MIN(ssl_xfer_buffer_size, lim));
@@ -3322,6 +3323,7 @@ DEBUG(D_tls)
   debug_printf("Calling gnutls_record_recv(session=%p, buffer=%p, len=" SIZE_T_FMT ")\n",
       state->session, buff, len);
 
+errno = 0;
 do
   inbytes = gnutls_record_recv(state->session, buff, len);
 while (inbytes == GNUTLS_E_AGAIN);
@@ -3385,6 +3387,7 @@ while (left > 0)
   DEBUG(D_tls) debug_printf("gnutls_record_send(session=%p, buffer=%p, left=" SIZE_T_FMT ")\n",
       state->session, buff, left);
 
+  errno = 0;
   do
     outbytes = gnutls_record_send(state->session, buff, left);
   while (outbytes == GNUTLS_E_AGAIN);

diff --git a/test/log/5651 b/test/log/5651
index bcd662f5b8a7bc943f0dafd284b6a43120397ea9..af1de34ed808550e174a95f19c6d78b9511f5612 100644 (file)
--- a/test/log/5651
+++ b/test/log/5651
@@ -12,7 +12,7 @@
 1999-03-02 09:44:33 10HmbE-0005vi-00 <= CALLER@server1.example.com U=CALLER P=local S=sss
 1999-03-02 09:44:33 10HmbE-0005vi-00 == CALLER@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate verification failed): certificate revoked
 1999-03-02 09:44:33 10HmbF-0005vi-00 <= CALLER@server1.example.com U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbF-0005vi-00 == CALLER@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate status check failed)
+1999-03-02 09:44:33 10HmbF-0005vi-00 == CALLER@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate verification failed): certificate invalid
 
 ******** SERVER ********
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
@@ -34,4 +34,4 @@
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
 1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): A TLS fatal alert has been received: Certificate is bad
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
-1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): The TLS connection was non-properly terminated.
+1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): A TLS fatal alert has been received: Certificate is bad

diff --git a/test/log/5730 b/test/log/5730
index 6582d7591ea43854859d910166b5135cd13c57ef..732ed954e5bec10b8abd052cfb65d4d839a61082 100644 (file)
--- a/test/log/5730
+++ b/test/log/5730
@@ -21,8 +21,8 @@
 1999-03-02 09:44:33 10HmbG-0005vi-00 client ocsp status: 1 (notresp)
 1999-03-02 09:44:33 10HmbG-0005vi-00 == failrevoked@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate verification failed): certificate revoked
 1999-03-02 09:44:33 10HmbH-0005vi-00 <= CALLER@server1.example.com U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbH-0005vi-00 client ocsp status: 3 (failed)
-1999-03-02 09:44:33 10HmbH-0005vi-00 == failexpired@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate status check failed)
+1999-03-02 09:44:33 10HmbH-0005vi-00 client ocsp status: 1 (notresp)
+1999-03-02 09:44:33 10HmbH-0005vi-00 == failexpired@test.ex R=client T=send_to_server3 defer (-37) H=127.0.0.1 [127.0.0.1]: TLS session: (certificate verification failed): certificate invalid
 
 ******** SERVER ********
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
@@ -48,4 +48,4 @@
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
 1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): A TLS fatal alert has been received: Certificate is bad
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
-1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): The TLS connection was non-properly terminated.
+1999-03-02 09:44:33 TLS error on connection from [127.0.0.1] (recv): A TLS fatal alert has been received: Certificate is bad