[freeside-commits] branch FREESIDE_2_3_BRANCH updated. 80eb95aff285ed6affc99c63130eeef487f0df7a

[Ivan]

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- Log -----------------------------------------------------------------
commit 80eb95aff285ed6affc99c63130eeef487f0df7a
Author: Ivan Kohler <ivan at freeside.biz>
Date:   Tue Jun 12 03:01:30 2012 -0700

    add file descriptor 0/1 protection from RT 3.8.13 upgrade, RT#18040

diff --git a/htetc/handler.pl b/htetc/handler.pl
index e065f09..b00ab6d 100644
--- a/htetc/handler.pl
+++ b/htetc/handler.pl
@@ -31,11 +31,30 @@ my $ah = new HTML::Mason::ApacheHandler (
 #
 #chown (Apache->server->uid, Apache->server->gid, $interp->files_written);
 
+my $protect_fds;
+
 sub handler
 {
     #($r) = @_;
     my $r = shift;
 
+    #from rt/bin/webmux.pl(.in)
+    if ( !$protect_fds && $ENV{'MOD_PERL'} && exists $ENV{'MOD_PERL_API_VERSION'}
+        && $ENV{'MOD_PERL_API_VERSION'} >= 2
+    ) {
+        # under mod_perl2, STDIN and STDOUT get closed and re-opened,
+        # however they are not on FD 0 and 1.  In this case, the next
+        # socket that gets opened will occupy one of these FDs, and make
+        # all system() and open "|-" calls dangerous; for example, the
+        # DBI handle can get this FD, which later system() calls will
+        # close by putting garbage into the socket.
+        $protect_fds = [];
+        push @{$protect_fds}, IO::Handle->new_from_fd(0, "r")
+            if fileno(STDIN) != 0;
+        push @{$protect_fds}, IO::Handle->new_from_fd(1, "w")
+            if fileno(STDOUT) != 1;
+    }
+
     # If you plan to intermix images in the same directory as
     # components, activate the following to prevent Mason from
     # evaluating image files as components.

-----------------------------------------------------------------------

Summary of changes:
 htetc/handler.pl |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)