4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (C) 2013, Trustees of Indiana University
25 * Copyright (c) 2014, Intel Corporation.
27 * Author: Andrew Korty <ajk@iu.edu>
30 #define DEBUG_SUBSYSTEM S_SEC
31 #include <linux/init.h>
32 #include <linux/module.h>
33 #include <linux/slab.h>
34 #include <linux/crypto.h>
35 #include <linux/mutex.h>
38 #include <obd_class.h>
39 #include <obd_support.h>
42 #include "gss_internal.h"
50 __u32 gss_import_sec_context_sk(rawobj_t *inbuf, struct gss_ctx *gss_context)
52 struct sk_ctx *sk_context;
54 if (inbuf == NULL || inbuf->data == NULL)
57 OBD_ALLOC_PTR(sk_context);
58 if (sk_context == NULL)
61 gss_context->internal_ctx_id = sk_context;
62 CDEBUG(D_SEC, "successfully imported sk context\n");
64 return GSS_S_COMPLETE;
68 __u32 gss_copy_reverse_context_sk(struct gss_ctx *gss_context_old,
69 struct gss_ctx *gss_context_new)
71 struct sk_ctx *sk_context_old;
72 struct sk_ctx *sk_context_new;
74 OBD_ALLOC_PTR(sk_context_new);
75 if (sk_context_new == NULL)
78 sk_context_old = gss_context_old->internal_ctx_id;
79 memcpy(sk_context_new, sk_context_old, sizeof(*sk_context_new));
80 gss_context_new->internal_ctx_id = sk_context_new;
81 CDEBUG(D_SEC, "successfully copied reverse sk context\n");
83 return GSS_S_COMPLETE;
87 __u32 gss_inquire_context_sk(struct gss_ctx *gss_context,
88 unsigned long *endtime)
91 return GSS_S_COMPLETE;
95 __u32 gss_get_mic_sk(struct gss_ctx *gss_context,
105 return GSS_S_COMPLETE;
109 __u32 gss_verify_mic_sk(struct gss_ctx *gss_context,
116 return GSS_S_COMPLETE;
120 __u32 gss_wrap_sk(struct gss_ctx *gss_context, rawobj_t *gss_header,
121 rawobj_t *message, int message_buffer_length,
124 return GSS_S_COMPLETE;
128 __u32 gss_unwrap_sk(struct gss_ctx *gss_context, rawobj_t *gss_header,
129 rawobj_t *token, rawobj_t *message)
131 return GSS_S_COMPLETE;
135 __u32 gss_prep_bulk_sk(struct gss_ctx *gss_context,
136 struct ptlrpc_bulk_desc *desc)
138 return GSS_S_COMPLETE;
142 __u32 gss_wrap_bulk_sk(struct gss_ctx *gss_context,
143 struct ptlrpc_bulk_desc *desc, rawobj_t *token,
146 return GSS_S_COMPLETE;
150 __u32 gss_unwrap_bulk_sk(struct gss_ctx *gss_context,
151 struct ptlrpc_bulk_desc *desc,
152 rawobj_t *token, int adj_nob)
154 return GSS_S_COMPLETE;
158 void gss_delete_sec_context_sk(void *internal_context)
160 struct sk_ctx *sk_context = internal_context;
162 OBD_FREE_PTR(sk_context);
165 int gss_display_sk(struct gss_ctx *gss_context, char *buf, int bufsize)
167 return snprintf(buf, bufsize, "sk");
170 static struct gss_api_ops gss_sk_ops = {
171 .gss_import_sec_context = gss_import_sec_context_sk,
172 .gss_copy_reverse_context = gss_copy_reverse_context_sk,
173 .gss_inquire_context = gss_inquire_context_sk,
174 .gss_get_mic = gss_get_mic_sk,
175 .gss_verify_mic = gss_verify_mic_sk,
176 .gss_wrap = gss_wrap_sk,
177 .gss_unwrap = gss_unwrap_sk,
178 .gss_prep_bulk = gss_prep_bulk_sk,
179 .gss_wrap_bulk = gss_wrap_bulk_sk,
180 .gss_unwrap_bulk = gss_unwrap_bulk_sk,
181 .gss_delete_sec_context = gss_delete_sec_context_sk,
182 .gss_display = gss_display_sk,
185 static struct subflavor_desc gss_sk_sfs[] = {
187 .sf_subflavor = SPTLRPC_SUBFLVR_SKI,
189 .sf_service = SPTLRPC_SVC_INTG,
193 .sf_subflavor = SPTLRPC_SUBFLVR_SKPI,
195 .sf_service = SPTLRPC_SVC_PRIV,
201 * currently we leave module owner NULL
203 static struct gss_api_mech gss_sk_mech = {
204 .gm_owner = NULL, /*THIS_MODULE, */
206 .gm_oid = (rawobj_t) {
208 "\053\006\001\004\001\311\146\215\126\001\000\001",
210 .gm_ops = &gss_sk_ops,
212 .gm_sfs = gss_sk_sfs,
215 int __init init_sk_module(void)
219 status = lgss_mech_register(&gss_sk_mech);
221 CERROR("Failed to register sk gss mechanism!\n");
226 void cleanup_sk_module(void)
228 lgss_mech_unregister(&gss_sk_mech);