@@ -1,3 +1,7 @@

+Mon Jan 30 21:10:57 CET 2006 (tk)

+---------------------------------

+  * libclamav/sis.c: handle empty files in SIS archives

+

 Fri Jan 27 16:01:31 CET 2006 (tk)

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

   * freshclam: new option HTTPUserAgent to force different User-Agent header

@@ -253,6 +253,15 @@ static int sis_extract_simple(int fd, char *mfile, uint32_t length, uint32_t off

 	    filelen = cli_readint32(mfile + offset + 24 + 8 * (i + 1));

 	    osize = (uLongf) filelen;

+	    if(!osize) {

+		cli_dbgmsg("SIS: Empty file, skipping\n");

+		free(fname);

+		continue;

+	    }

+

+	    cli_dbgmsg("SIS: Compressed size: %d\n", csize);

+	    cli_dbgmsg("SIS: Original size: %d\n", osize);

+

 	    if(limits && limits->maxfilesize && osize > limits->maxfilesize) {

 		cli_dbgmsg("SIS: Size exceeded (%d, max: %ld)\n", osize, limits->maxfilesize);

 		if(BLOCKMAX) {