LU-1201 checksum: add libcfs crypto hash

[fs/lustre-release.git] / lustre / ptlrpc / sec_plain.c

diff --git a/lustre/ptlrpc/sec_plain.c b/lustre/ptlrpc/sec_plain.c
index 56a53a8..10f88fa 100644 (file)
--- a/lustre/ptlrpc/sec_plain.c
+++ b/lustre/ptlrpc/sec_plain.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -40,9 +38,6 @@
  * Author: Eric Mei <ericm@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_SEC
 
 #ifndef __KERNEL__
@@ -275,15 +270,18 @@ int plain_ctx_verify(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
         }
 
         if (unlikely(req->rq_early)) {
-                cksum = crc32_le(!(__u32) 0,
-                                 lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0),
-                                 lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF));
-                if (cksum != msg->lm_cksum) {
-                        CDEBUG(D_SEC,
-                               "early reply checksum mismatch: %08x != %08x\n",
-                               cpu_to_le32(cksum), msg->lm_cksum);
-                        RETURN(-EINVAL);
-                }
+               unsigned int hsize = 4;
+
+               cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32,
+                               lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0),
+                               lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF),
+                               NULL, 0, (unsigned char *)&cksum, &hsize);
+               if (cksum != msg->lm_cksum) {
+                       CDEBUG(D_SEC,
+                              "early reply checksum mismatch: %08x != %08x\n",
+                              cpu_to_le32(cksum), msg->lm_cksum);
+                       RETURN(-EINVAL);
+               }
         } else {
                 /* whether we sent with bulk or not, we expect the same
                  * in reply, except for early reply */
@@ -897,10 +895,13 @@ int plain_authorize(struct ptlrpc_request *req)
                 else
                         req->rq_reply_off = 0;
         } else {
-                msg->lm_cksum = crc32_le(!(__u32) 0,
-                                lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0),
-                                lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF));
-                req->rq_reply_off = 0;
+               unsigned int hsize = 4;
+
+               cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32,
+                       lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0),
+                       lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF),
+                       NULL, 0, (unsigned char *)&msg->lm_cksum, &hsize);
+                       req->rq_reply_off = 0;
         }
 
         RETURN(0);