1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 5 * Authors: Doug Rabson <dfr@rabson.org> 6 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <sys/kernel.h> 32 #include <sys/kobj.h> 33 #include <sys/lock.h> 34 #include <sys/malloc.h> 35 #include <sys/mutex.h> 36 #include <sys/proc.h> 37 38 #include <kgssapi/gssapi.h> 39 #include <kgssapi/gssapi_impl.h> 40 41 #include "gssd.h" 42 43 OM_uint32 44 gss_acquire_cred(OM_uint32 *minor_status, 45 const gss_name_t desired_name, 46 OM_uint32 time_req, 47 const gss_OID_set desired_mechs, 48 gss_cred_usage_t cred_usage, 49 gss_cred_id_t *output_cred_handle, 50 gss_OID_set *actual_mechs, 51 OM_uint32 *time_rec) 52 { 53 OM_uint32 major_status; 54 struct acquire_cred_res res; 55 struct acquire_cred_args args; 56 enum clnt_stat stat; 57 gss_cred_id_t cred; 58 int i; 59 CLIENT *cl; 60 61 *minor_status = 0; 62 cl = kgss_gssd_client(); 63 if (cl == NULL) 64 return (GSS_S_FAILURE); 65 66 args.uid = curthread->td_ucred->cr_uid; 67 if (desired_name) 68 args.desired_name = desired_name->handle; 69 else 70 args.desired_name = 0; 71 args.time_req = time_req; 72 args.desired_mechs = desired_mechs; 73 args.cred_usage = cred_usage; 74 75 bzero(&res, sizeof(res)); 76 stat = gssd_acquire_cred_1(&args, &res, cl); 77 CLNT_RELEASE(cl); 78 if (stat != RPC_SUCCESS) { 79 *minor_status = stat; 80 return (GSS_S_FAILURE); 81 } 82 83 if (res.major_status != GSS_S_COMPLETE) { 84 *minor_status = res.minor_status; 85 return (res.major_status); 86 } 87 88 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK); 89 cred->handle = res.output_cred; 90 *output_cred_handle = cred; 91 if (actual_mechs) { 92 major_status = gss_create_empty_oid_set(minor_status, 93 actual_mechs); 94 if (major_status) 95 return (major_status); 96 for (i = 0; i < res.actual_mechs->count; i++) { 97 major_status = gss_add_oid_set_member(minor_status, 98 &res.actual_mechs->elements[i], actual_mechs); 99 if (major_status) 100 return (major_status); 101 } 102 } 103 if (time_rec) 104 *time_rec = res.time_rec; 105 106 xdr_free((xdrproc_t) xdr_acquire_cred_res, &res); 107 108 return (GSS_S_COMPLETE); 109 } 110