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SUNRPC: Remove net/sunrpc/auth_gss/gss_krb5_seqnum.c

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These functions are no longer used.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-06-29 13:51:32 -04:00
parent cfb6b328c4
commit 2a9893f796
3 changed files with 1 additions and 114 deletions
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2
net/sunrpc/auth_gss/Makefile
View 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

7
net/sunrpc/auth_gss/gss_krb5_internal.h
View 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,

106
net/sunrpc/auth_gss/gss_krb5_seqnum.c
View File

@ -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;
}