X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/a85c067ba6c6940512cf57ec213277a370d87e70..4687a69c269ee3f2a7f0625e0147a503fd9d3d0b:/src/src/transports/pipe.c

diff --git a/src/src/transports/pipe.c b/src/src/transports/pipe.c
index b8103e2f6..f8a1427b9 100644
--- a/src/src/transports/pipe.c
+++ b/src/src/transports/pipe.c
@@ -2,13 +2,15 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) The Exim maintainers 2020 - 2022 */
+/* Copyright (c) The Exim maintainers 2020 - 2023 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
-/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include "../exim.h"
+
+#ifdef TRANSPORT_PIPE	/* Remainder of file */
 #include "pipe.h"
 
 #ifdef HAVE_SETCLASSRESOURCES
@@ -292,9 +294,9 @@ Returns:             TRUE if all went well; otherwise an error will be
 */
 
 static BOOL
-set_up_direct_command(const uschar ***argvptr, uschar *cmd,
-  BOOL expand_arguments, int expand_fail, address_item *addr, uschar *tname,
-  pipe_transport_options_block *ob)
+set_up_direct_command(const uschar *** argvptr, const uschar * cmd,
+  BOOL expand_arguments, int expand_fail, address_item * addr, uschar * tname,
+  pipe_transport_options_block * ob)
 {
 BOOL permitted = FALSE;
 const uschar **argv;
@@ -304,8 +306,9 @@ call the common function for creating an argument list and expanding
 the items if necessary. If it fails, this function fails (error information
 is in the addresses). */
 
-if (!transport_set_up_command(argvptr, cmd, expand_arguments, expand_fail,
-      addr, FALSE, string_sprintf("%.50s transport", tname), NULL))
+if (!transport_set_up_command(argvptr, cmd,
+      expand_arguments ? TSUC_EXPAND_ARGS : 0,
+      expand_fail, addr, string_sprintf("%.50s transport", tname), NULL))
   return FALSE;
 
 /* Point to the set-up arguments. */
@@ -314,6 +317,7 @@ argv = *argvptr;
 
 /* If allow_commands is set, see if the command is in the permitted list. */
 
+GET_OPTION("allow_commands");
 if (ob->allow_commands)
   {
   int sep = 0;
@@ -367,10 +371,11 @@ for it. */
 if (argv[0][0] != '/')
   {
   int sep = 0;
-  uschar *p;
-  const uschar *listptr = expand_string(ob->path);
+  uschar * p;
 
-  while ((p = string_nextinlist(&listptr, &sep, NULL, 0)))
+  GET_OPTION("path");
+  for (const uschar * listptr = expand_string(ob->path);
+      p = string_nextinlist(&listptr, &sep, NULL, 0); )
     {
     struct stat statbuf;
     sprintf(CS big_buffer, "%.256s/%.256s", p, argv[0]);
@@ -413,8 +418,8 @@ Returns:             TRUE if all went well; otherwise an error will be
 */
 
 static BOOL
-set_up_shell_command(const uschar ***argvptr, uschar *cmd,
-  BOOL expand_arguments, int expand_fail, address_item *addr, uschar *tname)
+set_up_shell_command(const uschar *** argvptr, const uschar * cmd,
+  BOOL expand_arguments, int expand_fail, address_item * addr, uschar * tname)
 {
 const uschar **argv;
 
@@ -461,10 +466,10 @@ if (expand_arguments)
       }
 
     g = string_cat(g, q);
-    argv[2] = (cmd = string_from_gstring(g)) ? expand_string(cmd) : NULL;
+    argv[2] = (cmd = string_from_gstring(g)) ? expand_cstring(cmd) : NULL;
     }
   else
-    argv[2] = expand_string(cmd);
+    argv[2] = expand_cstring(cmd);
 
   f.enable_dollar_recipients = FALSE;
 
@@ -517,11 +522,12 @@ pipe_transport_options_block *ob =
 int timeout = ob->timeout;
 BOOL written_ok = FALSE;
 BOOL expand_arguments;
-const uschar **argv;
-uschar *envp[50];
-const uschar *envlist = ob->environment;
-uschar *cmd, *ss;
-uschar *eol = ob->use_crlf ? US"\r\n" : US"\n";
+const uschar ** argv;
+uschar * envp[50];
+const uschar * envlist = ob->environment;
+const uschar * cmd;
+uschar * ss;
+uschar * eol = ob->use_crlf ? US"\r\n" : US"\n";
 transport_ctx tctx = {
   .tblock = tblock,
   .addr = addr,
@@ -548,6 +554,7 @@ if (testflag(addr, af_pfr) && addr->local_part[0] == '|')
     {
     /* Enables expansion of $address_pipe into separate arguments */
     setflag(addr, af_force_command);
+    GET_OPTION("commsnd");
     cmd = ob->cmd;
     expand_arguments = TRUE;
     expand_fail = PANIC;
@@ -555,12 +562,13 @@ if (testflag(addr, af_pfr) && addr->local_part[0] == '|')
   else
     {
     cmd = addr->local_part + 1;
-    while (isspace(*cmd)) cmd++;
+    Uskip_whitespace(&cmd);
     expand_arguments = testflag(addr, af_expand_pipe);
     expand_fail = FAIL;
     }
 else
   {
+  GET_OPTION("commsnd");
   cmd = ob->cmd;
   expand_arguments = TRUE;
   expand_fail = PANIC;
@@ -648,6 +656,7 @@ else if (timezone_string && timezone_string[0])
 
 /* Add any requested items */
 
+GET_OPTION("environment");
 if (envlist)
   if (!(envlist = expand_cstring(envlist)))
     {
@@ -794,9 +803,10 @@ transport_count = 0;
 
 /* First write any configured prefix information */
 
+GET_OPTION("message_prefix");
 if (ob->message_prefix)
   {
-  uschar *prefix = expand_string(ob->message_prefix);
+  uschar * prefix = expand_string(ob->message_prefix);
   if (!prefix)
     {
     addr->transport_return = f.search_find_defer? DEFER : PANIC;
@@ -836,9 +846,10 @@ if (!transport_write_message(&tctx, 0))
 
 /* Now any configured suffix */
 
+GET_OPTION("message_suffix");
 if (ob->message_suffix)
   {
-  uschar *suffix = expand_string(ob->message_suffix);
+  uschar * suffix = expand_string(ob->message_suffix);
   if (!suffix)
     {
     addr->transport_return = f.search_find_defer? DEFER : PANIC;
@@ -1122,4 +1133,5 @@ return FALSE;
 }
 
 #endif	/*!MACRO_PREDEF*/
+#endif	/*TRASPORT_PIPE*/
 /* End of transport/pipe.c */