From: Jamie Cameron <jcameron@webmin.com>
Date: Wed, 19 Oct 2011 04:52:45 +0000 (-0700)
Subject: Fix call to open_lock_tempfile on a symlink
X-Git-Url: https://iam.tj/gitweb/gitweb.cgi?p=webmin.git;a=commitdiff_plain;h=91000e53fc5fd82ac9f6bee34fd9fc118d943f5e

Fix call to open_lock_tempfile on a symlink
---

diff --git a/web-lib-funcs.pl b/web-lib-funcs.pl
index aca631ea..16a2a523 100755
--- a/web-lib-funcs.pl
+++ b/web-lib-funcs.pl
@@ -8428,6 +8428,11 @@ $fh = &callers_package($fh);
 my $lockfile = $file;
 $lockfile =~ s/^[^\/]*//;
 if ($lockfile =~ /^\//) {
+	while(-l $lockfile) {
+		# If the file is a link, follow it so that locking is done on
+		# the same file that gets unlocked later
+		$lockfile = &resolve_links($lockfile);
+		}
 	$main::open_templocks{$lockfile} = &lock_file($lockfile);
 	}
 return &open_tempfile($fh, $file, $noerror, $notemp, $safe);