Fix CVE-2016-1531

[exim.git] / test / runtest

diff --git a/test/runtest b/test/runtest
index 84bdc04dc176973db7a5b33cc65de7f251d62fcd..c0258c69c48b247729ff1acea0dba92b18ccdd77 100755 (executable)
--- a/test/runtest
+++ b/test/runtest
@@ -28,9 +28,10 @@ $testversion = "4.80 (08-May-12)";
 # This gets embedded in the D-H params filename, and the value comes
 # from asking GnuTLS for "normal", but there appears to be no way to
 # use certtool/... to ask what that value currently is.  *sigh*
-# This value is correct as of GnuTLS 2.12.18.
-#
-$gnutls_dh_bits_normal = 2432;
+# We also clamp it because of NSS interop, see addition of tls_dh_max_bits.
+# This value is correct as of GnuTLS 2.12.18 as clamped by tls_dh_max_bits.
+# normal = 2432   tls_dh_max_bits = 2236
+$gnutls_dh_bits_normal = 2236;
 
 $cf = "bin/cf -exact";
 $cr = "\r";
@@ -74,6 +75,9 @@ $parm_port_d2 = 1226;        # Additional for daemon
 $parm_port_d3 = 1227;        # Additional for daemon
 $parm_port_d4 = 1228;        # Additional for daemon
 
+# Manually set locale
+$ENV{'LC_ALL'} = 'C';
+
 
 
 ###############################################################################
@@ -331,7 +335,7 @@ $spid = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
 # that are specific to certain file types, though there are also some of those
 # inline too.
 
-while(<IN>)
+LINE: while(<IN>)
   {
 RESET_AFTER_EXTRA_LINE_READ:
   # Check for "*** truncated ***"
@@ -343,6 +347,9 @@ RESET_AFTER_EXTRA_LINE_READ:
   # But convert "name=the.local.host address=127.0.0.1" to use "localhost"
   s/name=the\.local\.host address=127\.0\.0\.1/name=localhost address=127.0.0.1/g;
 
+  # The name of the shell may vary
+  s/\s\Q$parm_shell\E\b/ ENV_SHELL/;
+
   # Replace the path to the testsuite directory
   s?\Q$parm_cwd\E?TESTSUITE?g;
 
@@ -390,9 +397,6 @@ RESET_AFTER_EXTRA_LINE_READ:
   # The message for a non-listening FIFO varies
   s/:[^:]+: while opening named pipe/: Error: while opening named pipe/;
 
-  # The name of the shell may vary
-  s/\s\Q$parm_shell\E\b/ SHELL/;
-
   # Debugging output of lists of hosts may have different sort keys
   s/sort=\S+/sort=xx/ if /^\S+ (?:\d+\.){3}\d+ mx=\S+ sort=\S+/;
 
@@ -484,6 +488,7 @@ RESET_AFTER_EXTRA_LINE_READ:
   # So far, have seen:
   #   TLSv1:AES256-SHA:256
   #   TLSv1.2:AES256-GCM-SHA384:256
+  #   TLSv1.2:DHE-RSA-AES256-SHA:256
   #   TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128
   # We also need to handle the ciphersuite without the TLS part present, for
   # client-ssl's output.  We also see some older forced ciphersuites, but
@@ -493,6 +498,7 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   s/( (?: (?:\b|\s) [\(=] ) | \s )TLSv1\.2:/$1TLSv1:/xg;
   s/\bAES256-GCM-SHA384\b/AES256-SHA/g;
+  s/\bDHE-RSA-AES256-SHA\b/AES256-SHA/g;
 
   # GnuTLS have seen:
   #   TLS1.2:RSA_AES_256_CBC_SHA1:256 (canonical)
@@ -510,6 +516,25 @@ RESET_AFTER_EXTRA_LINE_READ:
   s/TLS1.[012]:(DHE_)?RSA_AES_256_CBC_SHA(1|256):256/TLS1.x:xxxxRSA_AES_256_CBC_SHAnnn:256/g;
   s/\bDHE-RSA-AES256-SHA256\b/DHE-RSA-AES256-SHA/g;
 
+  # -d produces a list of environement variables as they are checked if they exist in the
+  # in the environment. Unfortunately this list isn't always in the same order. For now we
+  # just remove this list
+  #
+  if (/^\w+ in keep_environment/)
+    {
+    my @lines = $_;
+    while (<IN>)
+      {
+      if (/^\w+ in keep_environment/)
+        {
+        push @lines, $_;
+        next;
+        }
+      print MUNGED sort grep { !/^(SHLVL|_) / } @lines;
+      redo LINE;
+      }
+    }
+
 
   # ======== Caller's login, uid, gid, home, gecos ========
 
@@ -716,7 +741,6 @@ RESET_AFTER_EXTRA_LINE_READ:
 
   s/(TLS error on connection (?:from|to) .*? \(SSL_\w+\): error:)(.*)/$1 <<detail omitted>>/;
 
-
   # ======== Maildir things ========
   # timestamp output in maildir processing
   s/(timestamp=|\(timestamp_only\): )\d+/$1ddddddd/g;
@@ -849,6 +873,15 @@ RESET_AFTER_EXTRA_LINE_READ:
     # be the case
     next if /^changing group to \d+ failed: Operation not permitted/;
 
+    # We might not keep this check; rather than change all the tests, just
+    # ignore it as long as it succeeds; then we only need to change the
+    # TLS tests where tls_require_ciphers has been set.
+    if (m{^changed uid/gid: calling tls_validate_require_cipher}) {
+      my $discard = <IN>;
+      next;
+    }
+    next if /^tls_validate_require_cipher child \d+ ended: status=0x0/;
+
     # We invoke Exim with -D, so we hit this new messag as of Exim 4.73:
     next if /^macros_trusted overridden to true by whitelisting/;
 
@@ -1447,6 +1480,8 @@ my($commandnameref) = $_[3];
 my($aux_info) = $_[4];
 my($yield) = 1;
 
+our %ENV = map { $_ => $ENV{$_} } grep { /^(?:USER|SHELL|PATH|TERM|EXIM_TEST_.*)$/ } keys %ENV;
+
 if (/^(\d+)\s*$/)                # Handle unusual return code
   {
   my($r) = $_[2];
@@ -1815,12 +1850,12 @@ if (/^client/ || /^(sudo\s+)?perl\b/)
 # not drop privilege when -C and -D options are present. To run the exim
 # command as root, we use sudo.
 
-elsif (/^([A-Z_]+=\S+\s+)?(\d+)?\s*(sudo\s+)?exim(_\S+)?\s+(.*)$/)
+elsif (/^((?i:[A-Z\d_]+=\S+\s+)+)?(\d+)?\s*(sudo(?:\s+-u\s+(\w+))?\s+)?exim(_\S+)?\s+(.*)$/)
   {
-  $args = $5;
+  $args = $6;
   my($envset) = (defined $1)? $1      : "";
-  my($sudo)   = (defined $3)? "sudo " : "";
-  my($special)= (defined $4)? $4      : "";
+  my($sudo)   = (defined $3)? "sudo " . (defined $4 ? "-u $4 ":"")  : "";
+  my($special)= (defined $5)? $5      : "";
   $wait_time  = (defined $2)? $2      : 0;
 
   # Return 2 rather than 1 afterwards
@@ -2714,9 +2749,11 @@ if ($parm_hostname !~ /\./)
   print "\n*** Host name is not fully qualified: this may cause problems ***\n\n";
   }
 
-# Find the user's shell
+if ($parm_hostname =~ /[[:upper:]]/)
+  {
+  print "\n*** Host name has upper case characters: this may cause problems ***\n\n";
+  }
 
-$parm_shell = $ENV{'SHELL'};
 
 
 ##################################################
@@ -3037,6 +3074,10 @@ foreach $basedir ("aux-var", "dnszones")
     }
   }
 
+# Set a user's shell, distinguishable from /bin/sh
+
+symlink("/bin/sh","aux-var/sh");
+$ENV{'SHELL'} = $parm_shell = $parm_cwd . "/aux-var/sh";
 
 ##################################################
 #     Create fake DNS zones for this host        #