1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kobj.h> 35 #include <sys/lock.h> 36 #include <sys/malloc.h> 37 #include <sys/mutex.h> 38 39 #include <rpc/rpc.h> 40 #include <rpc/rpcsec_gss.h> 41 42 #include "rpcsec_gss_int.h" 43 44 bool_t 45 rpc_gss_mech_to_oid(const char *mech, gss_OID *oid_ret) 46 { 47 gss_OID oid = kgss_find_mech_by_name(mech); 48 49 if (oid) { 50 *oid_ret = oid; 51 return (TRUE); 52 } 53 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT); 54 return (FALSE); 55 } 56 57 bool_t 58 rpc_gss_oid_to_mech(gss_OID oid, const char **mech_ret) 59 { 60 const char *name = kgss_find_mech_by_oid(oid); 61 62 if (name) { 63 *mech_ret = name; 64 return (TRUE); 65 } 66 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT); 67 return (FALSE); 68 } 69 70 bool_t 71 rpc_gss_qop_to_num(const char *qop, const char *mech, u_int *num_ret) 72 { 73 74 if (!strcmp(qop, "default")) { 75 *num_ret = GSS_C_QOP_DEFAULT; 76 return (TRUE); 77 } 78 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT); 79 return (FALSE); 80 } 81 82 const char * 83 _rpc_gss_num_to_qop(const char *mech, u_int num) 84 { 85 86 if (num == GSS_C_QOP_DEFAULT) 87 return "default"; 88 89 return (NULL); 90 } 91 92 const char ** 93 rpc_gss_get_mechanisms(void) 94 { 95 static const char **mech_names = NULL; 96 struct kgss_mech *km; 97 int count; 98 99 if (mech_names) 100 return (mech_names); 101 102 count = 0; 103 LIST_FOREACH(km, &kgss_mechs, km_link) { 104 count++; 105 } 106 count++; 107 108 mech_names = malloc(count * sizeof(const char *), M_RPC, M_WAITOK); 109 count = 0; 110 LIST_FOREACH(km, &kgss_mechs, km_link) { 111 mech_names[count++] = km->km_mech_name; 112 } 113 mech_names[count++] = NULL; 114 115 return (mech_names); 116 } 117 118 #if 0 119 const char ** 120 rpc_gss_get_mech_info(const char *mech, rpc_gss_service_t *service) 121 { 122 struct mech_info *info; 123 124 _rpc_gss_load_mech(); 125 _rpc_gss_load_qop(); 126 SLIST_FOREACH(info, &mechs, link) { 127 if (!strcmp(mech, info->name)) { 128 /* 129 * I'm not sure what to do with service 130 * here. The Solaris manpages are not clear on 131 * the subject and the OpenSolaris code just 132 * sets it to rpc_gss_svc_privacy 133 * unconditionally with a comment noting that 134 * it is bogus. 135 */ 136 *service = rpc_gss_svc_privacy; 137 return info->qops; 138 } 139 } 140 141 _rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOENT); 142 return (NULL); 143 } 144 #endif 145 146 bool_t 147 rpc_gss_get_versions(u_int *vers_hi, u_int *vers_lo) 148 { 149 150 *vers_hi = 1; 151 *vers_lo = 1; 152 return (TRUE); 153 } 154 155 bool_t 156 rpc_gss_is_installed(const char *mech) 157 { 158 gss_OID oid = kgss_find_mech_by_name(mech); 159 160 if (oid) 161 return (TRUE); 162 else 163 return (FALSE); 164 } 165 166