From 325d714e40b273b99a63f58a4c6c83b7f1143ee5 Mon Sep 17 00:00:00 2001
From: Ravishankar N <ravishankar@redhat.com>
Date: Sun, 11 Feb 2018 06:54:35 +0530
Subject: posix/afr: handle backward compatibility for rchecksum fop

Added a volume option 'fips-mode-rchecksum' tied to op version 4.
If not set, rchecksum fop will use MD5 instead of SHA256.

updates: #230
Change-Id: Id8ea1303777e6450852c0bc25503cda341a6aec2
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
(cherry picked from commit 6daa6535692b2c68b493636a9bbfdcbc475b3d80)
---
 libglusterfs/src/checksum.c       | 7 +++++++
 libglusterfs/src/checksum.h       | 2 ++
 libglusterfs/src/libglusterfs.sym | 1 +
 3 files changed, 10 insertions(+)

(limited to 'libglusterfs')

diff --git a/libglusterfs/src/checksum.c b/libglusterfs/src/checksum.c
index a7f9877ddf0..561ca04e48b 100644
--- a/libglusterfs/src/checksum.c
+++ b/libglusterfs/src/checksum.c
@@ -8,6 +8,7 @@
   cases as published by the Free Software Foundation.
 */
 
+#include <openssl/md5.h>
 #include <openssl/sha.h>
 #include <zlib.h>
 #include <stdint.h>
@@ -36,3 +37,9 @@ gf_rsync_strong_checksum (unsigned char *data, size_t len,
 {
         SHA256((const unsigned char *)data, len, sha256_md);
 }
+
+void
+gf_rsync_md5_checksum (unsigned char *data, size_t len, unsigned char *md5)
+{
+        MD5 (data, len, md5);
+}
diff --git a/libglusterfs/src/checksum.h b/libglusterfs/src/checksum.h
index bf7eeede8fc..677a59aa91e 100644
--- a/libglusterfs/src/checksum.h
+++ b/libglusterfs/src/checksum.h
@@ -17,4 +17,6 @@ gf_rsync_weak_checksum (unsigned char *buf, size_t len);
 void
 gf_rsync_strong_checksum (unsigned char *buf, size_t len, unsigned char *sum);
 
+void
+gf_rsync_md5_checksum (unsigned char *data, size_t len, unsigned char *md5);
 #endif /* __CHECKSUM_H__ */
diff --git a/libglusterfs/src/libglusterfs.sym b/libglusterfs/src/libglusterfs.sym
index 500f69a9893..8d263c4cb5c 100644
--- a/libglusterfs/src/libglusterfs.sym
+++ b/libglusterfs/src/libglusterfs.sym
@@ -638,6 +638,7 @@ gf_resolve_path_parent
 gf_rev_dns_lookup
 gf_rev_dns_lookup_cached
 gf_rsync_strong_checksum
+gf_rsync_md5_checksum
 gf_rsync_weak_checksum
 gf_set_log_file_path
 gf_set_log_ident
-- 
cgit