exit-time debug

[exim.git] / src / src / transports / smtp.c

diff --git a/src/src/transports/smtp.c b/src/src/transports/smtp.c
index b748b7657b354942777fb0a0d9c6b4344dfda00c..fc5bb7801f8637df0b6060b3ec4335903ff779f9 100644 (file)
--- a/src/src/transports/smtp.c
+++ b/src/src/transports/smtp.c
@@ -1685,7 +1685,7 @@ current_local_identity =
   smtp_local_identity(s_compare->current_sender_address, s_compare->tblock);
 
 if (!(new_sender_address = deliver_get_sender_address(message_id)))
-    return 0;
+    return FALSE;
 
 message_local_identity =
   smtp_local_identity(new_sender_address, s_compare->tblock);
@@ -2079,6 +2079,7 @@ if (!continue_hostname)
     else DEBUG(D_transport)
       debug_printf("helo needs $sending_ip_address\n");
 
+PIPE_CONNECT_RETRY:
   if (sx->early_pipe_active)
     sx->outblock.conn_args = &sx->conn_args;
   else
@@ -2377,6 +2378,7 @@ else
     }
   sx->inblock.cctx = sx->outblock.cctx = &sx->cctx;
   smtp_command = big_buffer;
+  sx->peer_offered = smtp_peer_options;
   sx->helo_data = NULL;                /* ensure we re-expand ob->helo_data */
 
   /* For a continued connection with TLS being proxied for us, or a
@@ -2387,7 +2389,6 @@ else
          && cutthrough.is_tls)
      )
     {
-    sx->peer_offered = smtp_peer_options;
     sx->pipelining_used = pipelining_active = !!(smtp_peer_options & OPTION_PIPE);
     HDEBUG(D_transport) debug_printf("continued connection, %s TLS\n",
       continue_proxy_cipher ? "proxied" : "verify conn with");
@@ -2425,7 +2426,10 @@ if (  smtp_peer_options & OPTION_TLS
     {
     HDEBUG(D_transport)
       debug_printf("failed reaping pipelined cmd responses\n");
-    goto RESPONSE_FAILED;
+    close(sx->cctx.sock);
+    sx->cctx.sock = -1;
+    sx->early_pipe_active = FALSE;
+    goto PIPE_CONNECT_RETRY;
     }
 #endif
 
@@ -3280,13 +3284,9 @@ int max_fd = MAX(pfd[0], tls_out.active.sock) + 1;
 int rc, i;
 
 close(pfd[1]);
-if ((rc = fork()))
-  {
-  DEBUG(D_transport) debug_printf("proxy-proc final-pid %d\n", rc);
+if ((rc = exim_fork(US"tls-proxy")))
   _exit(rc < 0 ? EXIT_FAILURE : EXIT_SUCCESS);
-  }
 
-testharness_pause_ms(100); /* let parent debug out */
 set_process_info("proxying TLS connection for continued transport");
 FD_ZERO(&rfds);
 FD_SET(tls_out.active.sock, &rfds);
@@ -3361,7 +3361,7 @@ for (int fd_bits = 3; fd_bits; )
 
 done:
   testharness_pause_ms(100);   /* let logging complete */
-  exim_exit(0, US"TLS proxy");
+  exim_exit(EXIT_SUCCESS);
 }
 #endif
 
@@ -3372,8 +3372,9 @@ done:
 
 /* If continue_hostname is not null, we get here only when continuing to
 deliver down an existing channel. The channel was passed as the standard
-input. TLS is never active on a passed channel; the previous process always
-closes it down before passing the connection on.
+input. TLS is never active on a passed channel; the previous process either
+closes it down before passing the connection on, or inserts a TLS-proxy
+process and passes on a cleartext conection.
 
 Otherwise, we have to make a connection to the remote host, and do the
 initial protocol exchange.
@@ -3454,7 +3455,7 @@ if ((rc = smtp_setup_conn(sx, suppress_tls)) != OK)
   }
 
 /* If there is a filter command specified for this transport, we can now
-set it up. This cannot be done until the identify of the host is known. */
+set it up. This cannot be done until the identity of the host is known. */
 
 if (tblock->filter_command)
   {
@@ -3512,7 +3513,6 @@ always has a sequence number greater than one. */
 
 if (continue_hostname && continue_sequence == 1)
   {
-  sx->peer_offered = smtp_peer_options;
   /* sx->pending_MAIL = FALSE; */
   sx->ok = TRUE;
   /* sx->next_addr = NULL; */
@@ -4275,10 +4275,9 @@ propagate it from the initial
 #ifndef DISABLE_TLS
        if (tls_out.active.sock >= 0)
          {
-         int pid = fork();
+         int pid = exim_fork(US"tls-proxy-interproc");
          if (pid == 0)         /* child; fork again to disconnect totally */
            {
-           testharness_pause_ms(100); /* let parent debug out */
            /* does not return */
            smtp_proxy_tls(sx->cctx.tls_ctx, sx->buffer, sizeof(sx->buffer), pfd,
                            ob->command_timeout);
@@ -4286,7 +4285,6 @@ propagate it from the initial
 
          if (pid > 0)          /* parent */
            {
-           DEBUG(D_transport) debug_printf("proxy-proc inter-pid %d\n", pid);
            close(pfd[0]);
            /* tidy the inter-proc to disconn the proxy proc */
            waitpid(pid, NULL, 0);