1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2008 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kobj.h>
32 #include <sys/lock.h>
33 #include <sys/malloc.h>
34 #include <sys/mutex.h>
35
36 #include <rpc/rpc.h>
37 #include <rpc/rpcsec_gss.h>
38
39 #include "rpcsec_gss_int.h"
40
41 bool_t
rpc_gss_mech_to_oid(const char * mech,gss_OID * oid_ret)42 rpc_gss_mech_to_oid(const char *mech, gss_OID *oid_ret)
43 {
44 gss_OID oid = kgss_find_mech_by_name(mech);
45
46 if (oid) {
47 *oid_ret = oid;
48 return (TRUE);
49 }
50 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT);
51 return (FALSE);
52 }
53
54 bool_t
rpc_gss_oid_to_mech(gss_OID oid,const char ** mech_ret)55 rpc_gss_oid_to_mech(gss_OID oid, const char **mech_ret)
56 {
57 const char *name = kgss_find_mech_by_oid(oid);
58
59 if (name) {
60 *mech_ret = name;
61 return (TRUE);
62 }
63 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT);
64 return (FALSE);
65 }
66
67 bool_t
rpc_gss_qop_to_num(const char * qop,const char * mech,u_int * num_ret)68 rpc_gss_qop_to_num(const char *qop, const char *mech, u_int *num_ret)
69 {
70
71 if (!strcmp(qop, "default")) {
72 *num_ret = GSS_C_QOP_DEFAULT;
73 return (TRUE);
74 }
75 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT);
76 return (FALSE);
77 }
78
79 const char *
_rpc_gss_num_to_qop(const char * mech,u_int num)80 _rpc_gss_num_to_qop(const char *mech, u_int num)
81 {
82
83 if (num == GSS_C_QOP_DEFAULT)
84 return "default";
85
86 return (NULL);
87 }
88
89 const char **
rpc_gss_get_mechanisms(void)90 rpc_gss_get_mechanisms(void)
91 {
92 static const char **mech_names = NULL;
93 struct kgss_mech *km;
94 int count;
95
96 if (mech_names)
97 return (mech_names);
98
99 count = 0;
100 LIST_FOREACH(km, &kgss_mechs, km_link) {
101 count++;
102 }
103 count++;
104
105 mech_names = malloc(count * sizeof(const char *), M_RPC, M_WAITOK);
106 count = 0;
107 LIST_FOREACH(km, &kgss_mechs, km_link) {
108 mech_names[count++] = km->km_mech_name;
109 }
110 mech_names[count++] = NULL;
111
112 return (mech_names);
113 }
114
115 #if 0
116 const char **
117 rpc_gss_get_mech_info(const char *mech, rpc_gss_service_t *service)
118 {
119 struct mech_info *info;
120
121 _rpc_gss_load_mech();
122 _rpc_gss_load_qop();
123 SLIST_FOREACH(info, &mechs, link) {
124 if (!strcmp(mech, info->name)) {
125 /*
126 * I'm not sure what to do with service
127 * here. The Solaris manpages are not clear on
128 * the subject and the OpenSolaris code just
129 * sets it to rpc_gss_svc_privacy
130 * unconditionally with a comment noting that
131 * it is bogus.
132 */
133 *service = rpc_gss_svc_privacy;
134 return info->qops;
135 }
136 }
137
138 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT);
139 return (NULL);
140 }
141 #endif
142
143 bool_t
rpc_gss_get_versions(u_int * vers_hi,u_int * vers_lo)144 rpc_gss_get_versions(u_int *vers_hi, u_int *vers_lo)
145 {
146
147 *vers_hi = 1;
148 *vers_lo = 1;
149 return (TRUE);
150 }
151
152 bool_t
rpc_gss_is_installed(const char * mech)153 rpc_gss_is_installed(const char *mech)
154 {
155 gss_OID oid = kgss_find_mech_by_name(mech);
156
157 if (oid)
158 return (TRUE);
159 else
160 return (FALSE);
161 }
162
163