1/* $NetBSD: gss_add_cred_with_password.c,v 1.2 2017/01/28 21:31:46 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2005 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 * $FreeBSD: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 29 */ 30 31#include "mech_locl.h" 32 33GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 34gss_add_cred_with_password(OM_uint32 *minor_status, 35 gss_const_cred_id_t input_cred_handle, 36 gss_const_name_t desired_name, 37 const gss_OID desired_mech, 38 const gss_buffer_t password, 39 gss_cred_usage_t cred_usage, 40 OM_uint32 initiator_time_req, 41 OM_uint32 acceptor_time_req, 42 gss_cred_id_t *output_cred_handle, 43 gss_OID_set *actual_mechs, 44 OM_uint32 *initiator_time_rec, 45 OM_uint32 *acceptor_time_rec) 46{ 47 OM_uint32 major_status; 48 gssapi_mech_interface m; 49 struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle; 50 struct _gss_cred *new_cred; 51 struct _gss_mechanism_cred *mc; 52 struct _gss_mechanism_name *mn = NULL; 53 OM_uint32 junk, time_req; 54 55 *minor_status = 0; 56 *output_cred_handle = GSS_C_NO_CREDENTIAL; 57 if (initiator_time_rec) 58 *initiator_time_rec = 0; 59 if (acceptor_time_rec) 60 *acceptor_time_rec = 0; 61 if (actual_mechs) 62 *actual_mechs = GSS_C_NO_OID_SET; 63 64 m = __gss_get_mechanism(desired_mech); 65 if (m == NULL) { 66 *minor_status = 0; 67 return (GSS_S_BAD_MECH); 68 } 69 70 new_cred = calloc(1, sizeof(struct _gss_cred)); 71 if (new_cred == NULL) { 72 *minor_status = ENOMEM; 73 return (GSS_S_FAILURE); 74 } 75 HEIM_SLIST_INIT(&new_cred->gc_mc); 76 77 /* 78 * Copy credentials from un-desired mechanisms to the new credential. 79 */ 80 if (cred) { 81 HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { 82 struct _gss_mechanism_cred *copy_mc; 83 84 if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) { 85 continue; 86 } 87 copy_mc = _gss_copy_cred(mc); 88 if (copy_mc == NULL) { 89 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 90 *minor_status = ENOMEM; 91 return (GSS_S_FAILURE); 92 } 93 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link); 94 } 95 } 96 97 /* 98 * Figure out a suitable mn, if any. 99 */ 100 if (desired_name != GSS_C_NO_NAME) { 101 major_status = _gss_find_mn(minor_status, 102 (struct _gss_name *) desired_name, 103 desired_mech, 104 &mn); 105 if (major_status != GSS_S_COMPLETE) { 106 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 107 return (major_status); 108 } 109 } 110 111 if (cred_usage == GSS_C_BOTH) 112 time_req = initiator_time_req > acceptor_time_req ? acceptor_time_req : initiator_time_req; 113 else if (cred_usage == GSS_C_INITIATE) 114 time_req = initiator_time_req; 115 else 116 time_req = acceptor_time_req; 117 118 major_status = _gss_acquire_mech_cred(minor_status, m, mn, 119 GSS_C_CRED_PASSWORD, password, 120 time_req, desired_mech, 121 cred_usage, &mc); 122 if (major_status != GSS_S_COMPLETE) { 123 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 124 return (major_status); 125 } 126 127 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link); 128 129 if (actual_mechs || initiator_time_rec || acceptor_time_rec) { 130 OM_uint32 time_rec; 131 132 major_status = gss_inquire_cred(minor_status, 133 (gss_cred_id_t)new_cred, 134 NULL, 135 &time_rec, 136 NULL, 137 actual_mechs); 138 if (GSS_ERROR(major_status)) { 139 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 140 return (major_status); 141 } 142 if (initiator_time_rec && 143 (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH)) 144 *initiator_time_rec = time_rec; 145 if (acceptor_time_rec && 146 (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH)) 147 *acceptor_time_rec = time_rec; 148 } 149 150 *output_cred_handle = (gss_cred_id_t) new_cred; 151 return (GSS_S_COMPLETE); 152} 153