Keep router-variables separate on addrs, to avoid taint contamination

[exim.git] / src / src / routers / queryprogram.c

diff --git a/src/src/routers/queryprogram.c b/src/src/routers/queryprogram.c
index bfcaefcfd88111a371cf23c06c72e7dc028b50b1..45321338701da05652cc97081d9c467633aff8c3 100644 (file)
--- a/src/src/routers/queryprogram.c
+++ b/src/src/routers/queryprogram.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #include "../exim.h"
@@ -40,6 +40,20 @@ address can appear in the tables drtables.c. */
 int queryprogram_router_options_count =
   sizeof(queryprogram_router_options)/sizeof(optionlist);
 
+
+#ifdef MACRO_PREDEF
+
+/* Dummy entries */
+queryprogram_router_options_block queryprogram_router_option_defaults = {0};
+void queryprogram_router_init(router_instance *rblock) {}
+int queryprogram_router_entry(router_instance *rblock, address_item *addr,
+  struct passwd *pw, int verify, address_item **addr_local,
+  address_item **addr_remote, address_item **addr_new,
+  address_item **addr_succeed) {return 0;}
+
+#else   /*!MACRO_PREDEF*/
+
+
 /* Default private options block for the queryprogram router. */
 
 queryprogram_router_options_block queryprogram_router_option_defaults = {
@@ -109,20 +123,22 @@ add_generated(router_instance *rblock, address_item **addr_new,
 {
 while (generated != NULL)
   {
+  BOOL ignore_error = addr->prop.ignore_error;
   address_item *next = generated;
+
   generated = next->next;
 
   next->parent = addr;
-  orflag(next, addr, af_propagate);
   next->prop = *addr_prop;
+  next->prop.ignore_error = next->prop.ignore_error || ignore_error;
   next->start_router = rblock->redirect_router;
 
   next->next = *addr_new;
   *addr_new = next;
 
-  if (addr->child_count == SHRT_MAX)
+  if (addr->child_count == USHRT_MAX)
     log_write(0, LOG_MAIN|LOG_PANIC_DIE, "%s router generated more than %d "
-      "child addresses for <%s>", rblock->name, SHRT_MAX, addr->address);
+      "child addresses for <%s>", rblock->name, USHRT_MAX, addr->address);
   addr->child_count++;
 
   DEBUG(D_route)
@@ -216,6 +232,7 @@ errors address and extra header stuff. */
 
 bzero(&addr_prop, sizeof(addr_prop));
 addr_prop.address_data = deliver_address_data;
+tree_dup((tree_node **)&addr_prop.variables, addr->prop.variables);
 
 rc = rf_get_errors_address(addr, rblock, verify, &addr_prop.errors_address);
 if (rc != OK) return rc;
@@ -473,9 +490,9 @@ lookup_value = NULL;
 if (*s != 0)
   {
   transport_instance *transport;
-  for (transport = transports; transport != NULL; transport = transport->next)
+  for (transport = transports; transport; transport = transport->next)
     if (Ustrcmp(transport->name, s) == 0) break;
-  if (transport == NULL)
+  if (!transport)
     {
     addr->message = string_sprintf("unknown transport name %s yielded by "
       "command", s);
@@ -504,14 +521,14 @@ s = expand_string(US"${extract{hosts}{$value}}");
 
 if (*s != 0)
   {
-  int lookup_type = lk_default;
+  int lookup_type = LK_DEFAULT;
   uschar *ss = expand_string(US"${extract{lookup}{$value}}");
   lookup_value = NULL;
 
   if (*ss != 0)
     {
-    if (Ustrcmp(ss, "byname") == 0) lookup_type = lk_byname;
-    else if (Ustrcmp(ss, "bydns") == 0) lookup_type = lk_bydns;
+    if (Ustrcmp(ss, "byname") == 0) lookup_type = LK_BYNAME;
+    else if (Ustrcmp(ss, "bydns") == 0) lookup_type = LK_BYDNS;
     else
       {
       addr->message = string_sprintf("bad lookup type \"%s\" yielded by "
@@ -539,4 +556,5 @@ return rf_queue_add(addr, addr_local, addr_remote, rblock, pw)?
   OK : DEFER;
 }
 
+#endif   /*!MACRO_PREDEF*/
 /* End of routers/queryprogram.c */