1From af50c278c5b2c57a76771825a80ca3ff9d315acd Mon Sep 17 00:00:00 2001
 2From: "Steven M. Schweda" <sms@antinode.info>
 3Date: Sat, 15 Jun 2019 18:13:11 -0700
 4Subject: [PATCH] Handle the PKWare verification bit of internal attributes
 5
 6---
 7 process.c | 7 +++++++
 8 1 file changed, 7 insertions(+)
 9
10diff --git a/process.c b/process.c
11index 1e9a1e1..ed314e1 100644
12--- a/process.c
13+++ b/process.c
14@@ -1729,6 +1729,13 @@ int process_cdir_file_hdr(__G)    /* return PK-type error code */
15     else if (uO.L_flag > 1)   /* let -LL force lower case for all names */
16         G.pInfo->lcflag = 1;
17 
18+    /* Handle the PKWare verification bit, bit 2 (0x0004) of internal
19+       attributes.  If this is set, then a verification checksum is in the
20+       first 3 bytes of the external attributes.  In this case all we can use
21+       for setting file attributes is the last external attributes byte. */
22+    if (G.crec.internal_file_attributes & 0x0004)
23+      G.crec.external_file_attributes &= (ulg)0xff;
24+
25     /* do Amigas (AMIGA_) also have volume labels? */
26     if (IS_VOLID(G.crec.external_file_attributes) &&
27         (G.pInfo->hostnum == FS_FAT_ || G.pInfo->hostnum == FS_HPFS_ ||
28-- 
292.20.1
30