Fix CVE-2016-1531

[exim.git] / test / runtest

diff --git a/test/runtest b/test/runtest
index aa242d589e27d9f42fa179ffb287be81e465b900..c0258c69c48b247729ff1acea0dba92b18ccdd77 100755 (executable)
--- a/test/runtest
+++ b/test/runtest
@@ -335,7 +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 ***"
@@ -516,6 +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 ========
 
@@ -1461,6 +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];
@@ -1829,12 +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