1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Modifications for Lustre
6 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
8 * Author: Eric Mei <ericm@clusterfs.com>
12 Copyright (c) 2004 The Regents of the University of Michigan.
15 Redistribution and use in source and binary forms, with or without
16 modification, are permitted provided that the following conditions
19 1. Redistributions of source code must retain the above copyright
20 notice, this list of conditions and the following disclaimer.
21 2. Redistributions in binary form must reproduce the above copyright
22 notice, this list of conditions and the following disclaimer in the
23 documentation and/or other materials provided with the distribution.
24 3. Neither the name of the University nor the names of its
25 contributors may be used to endorse or promote products derived
26 from this software without specific prior written permission.
28 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
29 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
31 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
35 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
36 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
37 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
38 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
46 #include <gssapi/gssapi.h>
48 #include <libcfs/libcfs.h>
50 #define LGSS_SVC_MDS_STR "lustre_mds"
51 #define LGSS_SVC_OST_STR "lustre_oss"
52 #define LGSS_SVC_MGS_STR "lustre_mgs"
53 #define LGSS_USR_ROOT_STR "lustre_root"
62 extern const char *lgss_svc_str[LGSS_SVC_MAX];
64 /****************************************
65 * inter-process locking *
66 ****************************************/
73 int lgss_mutex_lock(lgss_mutex_id_t mid);
74 int lgss_mutex_unlock(lgss_mutex_id_t mid);
76 /****************************************
78 ****************************************/
82 * LL_ERR: critical error messages
83 * LL_WARN: warning (default)
84 * LL_INFO: important infomation
86 * LL_TRACE: excessive tracing messages
97 extern loglevel_t g_log_level;
99 void __logmsg(loglevel_t level, const char *func, const char *format, ...);
100 void __logmsg_gss(loglevel_t level, const char *func, const gss_OID mech,
101 uint32_t major, uint32_t minor, const char *format, ...);
103 #define logmsg(loglevel, format, args...) \
105 if (unlikely(loglevel <= g_log_level)) \
106 __logmsg(loglevel, __FUNCTION__, format, ##args); \
109 #define logmsg_gss(loglevel, mech, major, minor, format, args...) \
111 if (unlikely(loglevel <= g_log_level)) \
112 __logmsg_gss(loglevel, __FUNCTION__, mech, \
113 major, minor, format, ##args); \
116 #define lassert(exp) \
118 if ((int)(exp) == 0) { \
119 logmsg(LL_ERR, "ASSERTION FAILED: %s", #exp); \
125 * for compatible reason, we're using files (context_xxx.c) from nfs-utils
127 #define printerr(priority, format, args...) \
128 logmsg(priority, format, ##args)
130 #define pgsserr(msg, maj_stat, min_stat, mech) \
131 logmsg_gss(LL_ERR, mech, maj_stat, min_stat, "")
133 /****************************************
135 ****************************************/
137 extern gss_OID_desc krb5oid;
138 extern gss_OID_desc spkm3oid;
144 /****************************************
145 * client credentials *
146 ****************************************/
150 struct lgss_mech_type {
152 lgss_mech_t lmt_mech_n;
154 int (*lmt_init)(void);
155 void (*lmt_fini)(void);
156 int (*lmt_prepare_cred)(struct lgss_cred *cred);
157 void (*lmt_release_cred)(struct lgss_cred *cred);
158 int (*lmt_using_cred)(struct lgss_cred *cred);
163 unsigned int lc_fl_root:1,
168 struct lgss_mech_type *lc_mech;
172 struct lgss_mech_type *lgss_name2mech(const char *mech_name);
173 int lgss_mech_initialize(struct lgss_mech_type *mech);
174 void lgss_mech_finalize(struct lgss_mech_type *mech);
176 struct lgss_cred * lgss_create_cred(struct lgss_mech_type *mech);
177 void lgss_destroy_cred(struct lgss_cred *cred);
178 int lgss_prepare_cred(struct lgss_cred *cred);
179 void lgss_release_cred(struct lgss_cred *cred);
180 int lgss_using_cred(struct lgss_cred *cred);
182 int lgss_get_service_str(char **string, uint32_t lsvc, uint64_t tgt_nid);
185 extern gss_OID_desc krb5oid;
186 extern gss_OID_desc spkm3oid;
189 int gss_OID_equal(gss_OID_desc *oid1, gss_OID_desc *oid2)
191 return (oid1->length == oid2->length &&
192 memcmp(oid1->elements, oid2->elements, oid1->length) == 0);
196 #define g_OID_equal(o1,o2) gss_OID_equal((o1), (o2))
199 #endif /* LGSS_UTILS_H */