[Mimedefang] Patch for Clam 0.88

[David F. Skoll]

Hi, all,

So I found my way out of the twisty passasges.  The following patch
appears to fix ClamAV 0.88 so it works properly on deflate64-compressed
ZIP files, if you have UNIX "unzip" installed.

YMMV.  Use at your own risk.

Regards,

David.

diff -r -u clamav-0.88.PRISTINE/libclamav/scanners.c clamav-0.88/libclamav/scanners.c
--- clamav-0.88.PRISTINE/libclamav/scanners.c	2006-01-05 10:24:08.000000000 -0500
+++ clamav-0.88/libclamav/scanners.c	2006-01-11 12:34:02.000000000 -0500
@@ -1457,8 +1457,12 @@
 	    break;
 
 	case CL_TYPE_ZIP:
-	    if(SCAN_ARCHIVE)
-		ret = cli_scanzip(desc, virname, scanned, root, limits, options, arec, mrec);
+	    if(SCAN_ARCHIVE) {
+	        ret = cli_scanzip(desc, virname, scanned, root, limits, options, arec, mrec);
+	        if (ret == CL_EZIP) {
+	            return ret;
+	        }
+	    }
 	    break;
 
 	case CL_TYPE_GZ: