From 34e86e2003d0eba915735853cf48c56e71d7a4ea Mon Sep 17 00:00:00 2001
From: "Heiko Schlittermann (HS12-RIPE)" <hs@schlittermann.de>
Date: Sat, 26 Mar 2016 01:13:29 +0100
Subject: Supress TLS/Env warnings in checking and listing mode

---
 src/src/exim.c      | 30 ++++++++++++++++++++++++------
 src/src/functions.h |  2 +-
 src/src/readconf.c  | 12 ++++++------
 test/log/0615       |  6 ------
 test/stderr/0615    | 11 -----------
 5 files changed, 31 insertions(+), 30 deletions(-)
 delete mode 100644 test/log/0615
 delete mode 100644 test/stderr/0615

diff --git a/src/src/exim.c b/src/src/exim.c
index 6a4fb5af3..cc3172dc0 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -1999,7 +1999,7 @@ for (i = 1; i < argc; i++)
 
     else if (*argrest == 'F')
       {
-      filter_test |= FTEST_SYSTEM;
+      filter_test |= checking = FTEST_SYSTEM;
       if (*(++argrest) != 0) { badarg = TRUE; break; }
       if (++i < argc) filter_test_sfile = argv[i]; else
         {
@@ -2019,7 +2019,7 @@ for (i = 1; i < argc; i++)
       {
       if (*(++argrest) == 0)
         {
-        filter_test |= FTEST_USER;
+        filter_test |= checking = FTEST_USER;
         if (++i < argc) filter_test_ufile = argv[i]; else
           {
           fprintf(stderr, "exim: file name expected after %s\n", argv[i-1]);
@@ -2094,6 +2094,7 @@ for (i = 1; i < argc; i++)
     else if (Ustrcmp(argrest, "malware") == 0)
       {
       if (++i >= argc) { badarg = TRUE; break; }
+      checking = TRUE;
       malware_test_file = argv[i];
       }
 
@@ -2175,6 +2176,7 @@ for (i = 1; i < argc; i++)
 
     else if (Ustrcmp(argrest, "rt") == 0)
       {
+      checking = TRUE;
       test_retry_arg = i + 1;
       goto END_ARG;
       }
@@ -2183,6 +2185,7 @@ for (i = 1; i < argc; i++)
 
     else if (Ustrcmp(argrest, "rw") == 0)
       {
+      checking = TRUE;
       test_rewrite_arg = i + 1;
       goto END_ARG;
       }
@@ -3754,7 +3757,23 @@ if ((initial_cwd = os_getcwd(NULL, 0)) == NULL)
   exit(EXIT_FAILURE);
   }
 
-readconf_main();
+/* checking:
+    -be[m] expansion test        -
+    -b[fF] filter test           new
+    -bh[c] host test             -
+    -bmalware malware_test_file  new
+    -brt   retry test            new
+    -brw   rewrite test          new
+    -bt    address test          -
+    -bv[s] address verify        -
+   list_options:
+    -bP <option> (except -bP config, which sets list_config)
+
+If any of these options is set, we suppress warnings about configuration
+issues (currently about tls_advertise_hosts and keep_environment not being
+defined) */
+
+readconf_main(checking || list_options);
 
 /* Now in directory "/" */
 
@@ -4184,7 +4203,7 @@ real, but are permitted when checking things (-be, -bv, -bt, -bh, -bf, -bF).
 Note that authority for performing certain actions on messages is tested in the
 queue_action() function. */
 
-if (!trusted_caller && !checking && filter_test == FTEST_NONE)
+if (!trusted_caller && !checking)
   {
   sender_host_name = sender_host_address = interface_address =
     sender_ident = received_protocol = NULL;
@@ -4837,8 +4856,7 @@ if ((!smtp_input && sender_address == NULL) ||
   if (sender_address == NULL             /* No sender_address set */
        ||                                /*         OR            */
        (sender_address[0] != 0 &&        /* Non-empty sender address, AND */
-       !checking &&                      /* Not running tests, AND */
-       filter_test == FTEST_NONE))       /* Not testing a filter */
+       !checking))                       /* Not running tests, including filter tests */
     {
     sender_address = originator_login;
     sender_address_forced = FALSE;
diff --git a/src/src/functions.h b/src/src/functions.h
index 878ae42a7..71c276bc7 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -313,7 +313,7 @@ extern BOOL    readconf_depends(driver_instance *, uschar *);
 extern void    readconf_driver_init(uschar *, driver_instance **,
                  driver_info *, int, void *, int, optionlist *, int);
 extern uschar *readconf_find_option(void *);
-extern void    readconf_main(void);
+extern void    readconf_main(BOOL);
 extern void    readconf_print(uschar *, uschar *, BOOL no_labels);
 extern uschar *readconf_printtime(int);
 extern uschar *readconf_readname(uschar *, int, uschar *);
diff --git a/src/src/readconf.c b/src/src/readconf.c
index 0f696cbf5..c547c78b7 100644
--- a/src/src/readconf.c
+++ b/src/src/readconf.c
@@ -2947,7 +2947,7 @@ Returns:  bool for "okay"; false will cause caller to immediately exit.
 
 #ifdef SUPPORT_TLS
 static BOOL
-tls_dropprivs_validate_require_cipher(void)
+tls_dropprivs_validate_require_cipher(BOOL nowarn)
 {
 const uschar *errmsg;
 pid_t pid;
@@ -2961,7 +2961,7 @@ if (  !tls_advertise_hosts
    || Ustrcmp(tls_advertise_hosts, ":") == 0
    )
   return TRUE;
-else if (!tls_certificate)
+else if (!nowarn && !tls_certificate)
   log_write(0, LOG_MAIN|LOG_PANIC,
     "Warning: No server certificate defined; TLS connections will fail.\n"
     " Suggested action: either install a certificate or change tls_advertise_hosts option");
@@ -3035,7 +3035,7 @@ systems. Therefore they are available only when requested by compile-time
 options. */
 
 void
-readconf_main(void)
+readconf_main(BOOL nowarn)
 {
 int sep = 0;
 struct stat statbuf;
@@ -3473,7 +3473,7 @@ if ((tls_verify_hosts != NULL || tls_try_verify_hosts != NULL) &&
 
 /* This also checks that the library linkage is working and we can call
 routines in it, so call even if tls_require_ciphers is unset */
-if (!tls_dropprivs_validate_require_cipher())
+if (!tls_dropprivs_validate_require_cipher(nowarn))
   exit(1);
 
 /* Magic number: at time of writing, 1024 has been the long-standing value
@@ -3497,13 +3497,13 @@ if (openssl_options != NULL)
 # endif
   }
 
-if (gnutls_require_kx || gnutls_require_mac || gnutls_require_proto)
+if (!nowarn && (gnutls_require_kx || gnutls_require_mac || gnutls_require_proto))
   log_write(0, LOG_MAIN, "WARNING: main options"
       " gnutls_require_kx, gnutls_require_mac and gnutls_require_protocols"
       " are obsolete\n");
 #endif	/*SUPPORT_TLS*/
 
-if (!keep_environment && environ && *environ)
+if (!nowarn && !keep_environment && environ && *environ)
   log_write(0, LOG_MAIN,
       "Warning: purging the environment.\n"
       " Suggested action: use keep_environment.");
diff --git a/test/log/0615 b/test/log/0615
deleted file mode 100644
index 19ae77926..000000000
--- a/test/log/0615
+++ /dev/null
@@ -1,6 +0,0 @@
-1999-03-02 09:44:33 Warning: purging the environment.
- Suggested action: use keep_environment.
-1999-03-02 09:44:33 Warning: purging the environment.
- Suggested action: use keep_environment.
-1999-03-02 09:44:33 Warning: purging the environment.
- Suggested action: use keep_environment.
diff --git a/test/stderr/0615 b/test/stderr/0615
deleted file mode 100644
index d8d0f8547..000000000
--- a/test/stderr/0615
+++ /dev/null
@@ -1,11 +0,0 @@
-LOG: MAIN
-  Warning: purging the environment.
- Suggested action: use keep_environment.
-LOG: MAIN
-  Warning: purging the environment.
- Suggested action: use keep_environment.
-LOG: MAIN
-  Warning: purging the environment.
- Suggested action: use keep_environment.
-1999-03-02 09:44:33 Warning: purging the environment.
- Suggested action: use keep_environment.
-- 
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