SUNRPC: Remove net/sunrpc/auth_gss/gss_krb5_seqnum.c
authorChuck Lever <chuck.lever@oracle.com>
Thu, 29 Jun 2023 17:51:32 +0000 (13:51 -0400)
committerChuck Lever <chuck.lever@oracle.com>
Tue, 29 Aug 2023 21:45:22 +0000 (17:45 -0400)
These functions are no longer used.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
net/sunrpc/auth_gss/Makefile
net/sunrpc/auth_gss/gss_krb5_internal.h
net/sunrpc/auth_gss/gss_krb5_seqnum.c [deleted file]

index 012ae17206894029a951cdd2e394a85458840dc8..ad1736d93b7634c35f2b769e5bd9a2cd45c00fe1 100644 (file)
@@ -12,6 +12,6 @@ auth_rpcgss-y := auth_gss.o gss_generic_token.o \
 obj-$(CONFIG_RPCSEC_GSS_KRB5) += rpcsec_gss_krb5.o
 
 rpcsec_gss_krb5-y := gss_krb5_mech.o gss_krb5_seal.o gss_krb5_unseal.o \
-       gss_krb5_seqnum.o gss_krb5_wrap.o gss_krb5_crypto.o gss_krb5_keys.o
+       gss_krb5_wrap.o gss_krb5_crypto.o gss_krb5_keys.o
 
 obj-$(CONFIG_RPCSEC_GSS_KRB5_KUNIT_TEST) += gss_krb5_test.o
index 9a4b110a6154b9b131924f7252f96066cd83eed8..3afd4065bf3d08b8a9fc63bcba893cf3f966a9b5 100644 (file)
@@ -153,13 +153,6 @@ static inline int krb5_derive_key(struct krb5_ctx *kctx,
        return gk5e->derive_key(gk5e, inkey, outkey, &label, gfp_mask);
 }
 
-s32 krb5_make_seq_num(struct krb5_ctx *kctx, struct crypto_sync_skcipher *key,
-                     int direction, u32 seqnum, unsigned char *cksum,
-                     unsigned char *buf);
-
-s32 krb5_get_seq_num(struct krb5_ctx *kctx, unsigned char *cksum,
-                    unsigned char *buf, int *direction, u32 *seqnum);
-
 void krb5_make_confounder(u8 *p, int conflen);
 
 u32 make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
deleted file mode 100644 (file)
index 1babc34..0000000
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- *  linux/net/sunrpc/gss_krb5_seqnum.c
- *
- *  Adapted from MIT Kerberos 5-1.2.1 lib/gssapi/krb5/util_seqnum.c
- *
- *  Copyright (c) 2000 The Regents of the University of Michigan.
- *  All rights reserved.
- *
- *  Andy Adamson   <andros@umich.edu>
- */
-
-/*
- * Copyright 1993 by OpenVision Technologies, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appears in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of OpenVision not be used
- * in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. OpenVision makes no
- * representations about the suitability of this software for any
- * purpose.  It is provided "as is" without express or implied warranty.
- *
- * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <crypto/skcipher.h>
-#include <linux/types.h>
-#include <linux/sunrpc/gss_krb5.h>
-
-#include "gss_krb5_internal.h"
-
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY        RPCDBG_AUTH
-#endif
-
-s32
-krb5_make_seq_num(struct krb5_ctx *kctx,
-               struct crypto_sync_skcipher *key,
-               int direction,
-               u32 seqnum,
-               unsigned char *cksum, unsigned char *buf)
-{
-       unsigned char *plain;
-       s32 code;
-
-       plain = kmalloc(8, GFP_KERNEL);
-       if (!plain)
-               return -ENOMEM;
-
-       plain[0] = (unsigned char) (seqnum & 0xff);
-       plain[1] = (unsigned char) ((seqnum >> 8) & 0xff);
-       plain[2] = (unsigned char) ((seqnum >> 16) & 0xff);
-       plain[3] = (unsigned char) ((seqnum >> 24) & 0xff);
-
-       plain[4] = direction;
-       plain[5] = direction;
-       plain[6] = direction;
-       plain[7] = direction;
-
-       code = krb5_encrypt(key, cksum, plain, buf, 8);
-       kfree(plain);
-       return code;
-}
-
-s32
-krb5_get_seq_num(struct krb5_ctx *kctx,
-              unsigned char *cksum,
-              unsigned char *buf,
-              int *direction, u32 *seqnum)
-{
-       s32 code;
-       unsigned char *plain;
-       struct crypto_sync_skcipher *key = kctx->seq;
-
-       dprintk("RPC:       krb5_get_seq_num:\n");
-
-       plain = kmalloc(8, GFP_KERNEL);
-       if (!plain)
-               return -ENOMEM;
-
-       if ((code = krb5_decrypt(key, cksum, buf, plain, 8)))
-               goto out;
-
-       if ((plain[4] != plain[5]) || (plain[4] != plain[6]) ||
-           (plain[4] != plain[7])) {
-               code = (s32)KG_BAD_SEQ;
-               goto out;
-       }
-
-       *direction = plain[4];
-
-       *seqnum = ((plain[0]) |
-                  (plain[1] << 8) | (plain[2] << 16) | (plain[3] << 24));
-
-out:
-       kfree(plain);
-       return code;
-}