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/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/kernel.h> 35 #include <sys/kobj.h> 36 #include <sys/lock.h> 37 #include <sys/malloc.h> 38 #include <sys/mutex.h> 39 #include <sys/proc.h> 40 41 #include <kgssapi/gssapi.h> 42 #include <kgssapi/gssapi_impl.h> 43 44 #include "gssd.h" 45 46 OM_uint32 47 gss_acquire_cred(OM_uint32 *minor_status, 48 const gss_name_t desired_name, 49 OM_uint32 time_req, 50 const gss_OID_set desired_mechs, 51 gss_cred_usage_t cred_usage, 52 gss_cred_id_t *output_cred_handle, 53 gss_OID_set *actual_mechs, 54 OM_uint32 *time_rec) 55 { 56 OM_uint32 major_status; 57 struct acquire_cred_res res; 58 struct acquire_cred_args args; 59 enum clnt_stat stat; 60 gss_cred_id_t cred; 61 int i; 62 CLIENT *cl; 63 64 *minor_status = 0; 65 cl = kgss_gssd_client(); 66 if (cl == NULL) 67 return (GSS_S_FAILURE); 68 69 args.uid = curthread->td_ucred->cr_uid; 70 if (desired_name) 71 args.desired_name = desired_name->handle; 72 else 73 args.desired_name = 0; 74 args.time_req = time_req; 75 args.desired_mechs = desired_mechs; 76 args.cred_usage = cred_usage; 77 78 bzero(&res, sizeof(res)); 79 stat = gssd_acquire_cred_1(&args, &res, cl); 80 CLNT_RELEASE(cl); 81 if (stat != RPC_SUCCESS) { 82 *minor_status = stat; 83 return (GSS_S_FAILURE); 84 } 85 86 if (res.major_status != GSS_S_COMPLETE) { 87 *minor_status = res.minor_status; 88 return (res.major_status); 89 } 90 91 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK); 92 cred->handle = res.output_cred; 93 *output_cred_handle = cred; 94 if (actual_mechs) { 95 major_status = gss_create_empty_oid_set(minor_status, 96 actual_mechs); 97 if (major_status) 98 return (major_status); 99 for (i = 0; i < res.actual_mechs->count; i++) { 100 major_status = gss_add_oid_set_member(minor_status, 101 &res.actual_mechs->elements[i], actual_mechs); 102 if (major_status) 103 return (major_status); 104 } 105 } 106 if (time_rec) 107 *time_rec = res.time_rec; 108 109 xdr_free((xdrproc_t) xdr_acquire_cred_res, &res); 110 111 return (GSS_S_COMPLETE); 112 } 113