DANE: Fix 2 messages from queue case

[exim.git] / src / src / transport.c

diff --git a/src/src/transport.c b/src/src/transport.c
index d2cb8c235b083eecdfc8f62a8462cbd323118d5e..fd8da0f08c74386941dc2c51dc9ef885effb12a5 100644 (file)
--- a/src/src/transport.c
+++ b/src/src/transport.c
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* General functions concerned with transportation, and generic options for all
@@ -1274,7 +1275,7 @@ if ((write_pid = exim_fork(US"tpt-filter-writer")) == 0)
         != sizeof(struct timeval)
      )
     rc = FALSE;        /* compiler quietening */
-  exim_underbar_exit(0, US"tpt-filter writer");
+  exim_underbar_exit(EXIT_SUCCESS);
   }
 save_errno = errno;
 
@@ -1399,7 +1400,6 @@ if (write_pid > 0)
        int dummy = read(pfd[pipe_read], (void *)&save_errno, sizeof(int));
         dummy = read(pfd[pipe_read], (void *)&tctx->addr->more_errno, sizeof(int));
         dummy = read(pfd[pipe_read], (void *)&tctx->addr->delivery_time, sizeof(struct timeval));
-       dummy = dummy;          /* compiler quietening */
         yield = FALSE;
         }
       }
@@ -1570,7 +1570,7 @@ for (host_item * host = hostlist; host; host = host->next)
     {
     sprintf(CS buffer, "%.200s:%d", host->name, host_record->sequence);
     dbfn_write(dbm_file, buffer, host_record, sizeof(dbdata_wait) + host_length);
-#ifdef EXPERIMENTAL_QUEUE_RAMP
+#ifndef DISABLE_QUEUE_RAMP
     if (f.queue_2stage && queue_fast_ramp && !queue_run_in_order)
       queue_notify_daemon(message_id);
 #endif
@@ -1627,7 +1627,6 @@ Arguments:
   local_message_max  maximum number of messages down one connection
                        as set by the caller transport
   new_message_id     set to the message id of a waiting message
-  more               set TRUE if there are yet more messages waiting
   oicf_func          function to call to validate if it is ok to send
                      to this message_id from the current instance.
   oicf_data          opaque data for oicf_func
@@ -1643,7 +1642,7 @@ typedef struct msgq_s
 
 BOOL
 transport_check_waiting(const uschar *transport_name, const uschar *hostname,
-  int local_message_max, uschar *new_message_id, BOOL *more, oicf oicf_func, void *oicf_data)
+  int local_message_max, uschar *new_message_id, oicf oicf_func, void *oicf_data)
 {
 dbdata_wait *host_record;
 int host_length;
@@ -1653,13 +1652,12 @@ open_db *dbm_file;
 int         i;
 struct stat statbuf;
 
-*more = FALSE;
-
 DEBUG(D_transport)
   {
   debug_printf("transport_check_waiting entered\n");
   debug_printf("  sequence=%d local_max=%d global_max=%d\n",
     continue_sequence, local_message_max, connection_max_messages);
+  acl_level++;
   }
 
 /* Do nothing if we have hit the maximum number that can be send down one
@@ -1669,23 +1667,23 @@ if (connection_max_messages >= 0) local_message_max = connection_max_messages;
 if (local_message_max > 0 && continue_sequence >= local_message_max)
   {
   DEBUG(D_transport)
-    debug_printf("max messages for one connection reached: returning\n");
-  return FALSE;
+    debug_printf_indent("max messages for one connection reached: returning\n");
+  goto retfalse;
   }
 
 /* Open the waiting information database. */
 
 if (!(dbm_file = dbfn_open(string_sprintf("wait-%.200s", transport_name),
                          O_RDWR, &dbblock, TRUE, TRUE)))
-  return FALSE;
+  goto retfalse;
 
 /* See if there is a record for this host; if not, there's nothing to do. */
 
 if (!(host_record = dbfn_read(dbm_file, hostname)))
   {
   dbfn_close(dbm_file);
-  DEBUG(D_transport) debug_printf("no messages waiting for %s\n", hostname);
-  return FALSE;
+  DEBUG(D_transport) debug_printf_indent("no messages waiting for %s\n", hostname);
+  goto retfalse;
   }
 
 /* If the data in the record looks corrupt, just log something and
@@ -1696,7 +1694,7 @@ if (host_record->count > WAIT_NAME_MAX)
   dbfn_close(dbm_file);
   log_write(0, LOG_MAIN|LOG_PANIC, "smtp-wait database entry for %s has bad "
     "count=%d (max=%d)", hostname, host_record->count, WAIT_NAME_MAX);
-  return FALSE;
+  goto retfalse;
   }
 
 /* Scan the message ids in the record from the end towards the beginning,
@@ -1834,8 +1832,8 @@ while (1)
   if (host_length <= 0)
     {
     dbfn_close(dbm_file);
-    DEBUG(D_transport) debug_printf("waiting messages already delivered\n");
-    return FALSE;
+    DEBUG(D_transport) debug_printf_indent("waiting messages already delivered\n");
+    goto retfalse;
     }
 
   /* we were not able to find an acceptable message, nor was there a
@@ -1846,7 +1844,7 @@ while (1)
     {
     Ustrcpy(new_message_id, message_id);
     dbfn_close(dbm_file);
-    return FALSE;
+    goto retfalse;
     }
   }            /* we need to process a continuation record */
 
@@ -1858,13 +1856,16 @@ record if required, close the database, and return TRUE. */
 if (host_length > 0)
   {
   host_record->count = host_length/MESSAGE_ID_LENGTH;
-
   dbfn_write(dbm_file, hostname, host_record, (int)sizeof(dbdata_wait) + host_length);
-  *more = TRUE;
   }
 
 dbfn_close(dbm_file);
+DEBUG(D_transport) {acl_level--; debug_printf("transport_check_waiting: TRUE\n"); }
 return TRUE;
+
+retfalse:
+DEBUG(D_transport) {acl_level--; debug_printf("transport_check_waiting: FALSE\n"); }
+return FALSE;
 }
 
 /*************************************************
@@ -1876,7 +1877,7 @@ void
 transport_do_pass_socket(const uschar *transport_name, const uschar *hostname,
   const uschar *hostaddress, uschar *id, int socket_fd)
 {
-int i = 20;
+int i = 22;
 const uschar **argv;
 
 /* Set up the calling arguments; use the standard function for the basics,
@@ -1897,6 +1898,12 @@ if (smtp_peer_options & OPTION_TLS)
     argv[i++] = sending_ip_address;
     argv[i++] = string_sprintf("%d", sending_port);
     argv[i++] = tls_out.active.sock >= 0 ? tls_out.cipher : continue_proxy_cipher;
+
+    if (tls_out.sni)
+      {
+      argv[i++] = tls_out.dane_verified ? US"-MCr" : US"-MCs";
+      argv[i++] = tls_out.sni;
+      }
     }
   else
     argv[i++] = US"-MCT";