Transport: fix smtp under combo of mua_wrapper and limited max_rcpt

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

diff --git a/src/src/transports/smtp.c b/src/src/transports/smtp.c
index 4ce839d63631e42b60089992438df343d7d9b9e5..997281901b7b90d546e6899a1304074bdd18a00e 100644 (file)
--- a/src/src/transports/smtp.c
+++ b/src/src/transports/smtp.c
@@ -796,7 +796,9 @@ with an address by scanning for the next address whose status is PENDING_DEFER.
 
 while (count-- > 0)
   {
-  while (addr->transport_return != PENDING_DEFER) addr = addr->next;
+  while (addr->transport_return != PENDING_DEFER)
+    if (!(addr = addr->next))
+      return -2;
 
   /* The address was accepted */
   addr->host_used = sx->host;
@@ -2475,7 +2477,8 @@ for (addr = sx->first_addr, address_count = 0;
     ? dsn_support_yes : dsn_support_no;
 
   address_count++;
-  no_flush = pipelining_active && !sx->verify && (!mua_wrapper || addr->next);
+  no_flush = pipelining_active && !sx->verify
+         && (!mua_wrapper || addr->next && address_count < sx->max_rcpt);
 
   build_rcptcmd_options(sx, addr);
 
@@ -2701,17 +2704,14 @@ set it up. This cannot be done until the identify of the host is known. */
 
 if (tblock->filter_command)
   {
-  BOOL rc;
-  uschar fbuf[64];
-  sprintf(CS fbuf, "%.50s transport", tblock->name);
-  rc = transport_set_up_command(&transport_filter_argv, tblock->filter_command,
-    TRUE, DEFER, addrlist, fbuf, NULL);
   transport_filter_timeout = tblock->filter_timeout;
 
   /* On failure, copy the error to all addresses, abandon the SMTP call, and
   yield ERROR. */
 
-  if (!rc)
+  if (!transport_set_up_command(&transport_filter_argv,
+       tblock->filter_command, TRUE, DEFER, addrlist,
+       string_sprintf("%.50s transport", tblock->name), NULL))
     {
     set_errno_nohost(addrlist->next, addrlist->basic_errno, addrlist->message, DEFER,
       FALSE);
@@ -2730,6 +2730,7 @@ if (tblock->filter_command)
     }
   }
 
+sx.first_addr = addrlist;
 
 /* For messages that have more than the maximum number of envelope recipients,
 we want to send several transactions down the same SMTP connection. (See
@@ -2741,7 +2742,7 @@ transaction to handle. */
 
 SEND_MESSAGE:
 sx.from_addr = return_path;
-sx.first_addr = sx.sync_addr = addrlist;
+sx.sync_addr = sx.first_addr;
 sx.ok = FALSE;
 sx.send_rset = TRUE;
 sx.completed_addr = FALSE;
@@ -2783,13 +2784,15 @@ else
 
   if (mua_wrapper)
     {
-    address_item *badaddr;
-    for (badaddr = sx.first_addr; badaddr; badaddr = badaddr->next)
-      if (badaddr->transport_return != PENDING_OK)
+    address_item * a;
+    unsigned cnt;
+
+    for (a = sx.first_addr, cnt = 0; a && cnt < sx.max_rcpt; a = a->next, cnt++)
+      if (a->transport_return != PENDING_OK)
        {
        /*XXX could we find a better errno than 0 here? */
-       set_errno_nohost(addrlist, 0, badaddr->message, FAIL,
-         testflag(badaddr, af_pass_message));
+       set_errno_nohost(addrlist, 0, a->message, FAIL,
+         testflag(a, af_pass_message));
        sx.ok = FALSE;
        break;
        }
@@ -3425,14 +3428,17 @@ propagate it from the initial
          int pid = fork();
          if (pid > 0)          /* parent */
            {
+           waitpid(pid, NULL, 0);
            tls_close(FALSE, FALSE);
            (void)close(sx.inblock.sock);
            continue_transport = NULL;
            continue_hostname = NULL;
            return yield;
            }
-         else if (pid == 0)    /* child */
+         else if (pid == 0)    /* child; fork again to disconnect totally */
            {
+           if ((pid = fork()))
+             _exit(pid ? EXIT_FAILURE : EXIT_SUCCESS);
            smtp_proxy_tls(sx.buffer, sizeof(sx.buffer), pfd[0], sx.ob->command_timeout);
            exim_exit(0);
            }