1 /*- 2 * Copyright (c) 2005 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 27 */ 28 29 #include "mech_locl.h" 30 31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 32 gss_add_cred_with_password(OM_uint32 *minor_status, 33 const gss_cred_id_t input_cred_handle, 34 const gss_name_t desired_name, 35 const gss_OID desired_mech, 36 const gss_buffer_t password, 37 gss_cred_usage_t cred_usage, 38 OM_uint32 initiator_time_req, 39 OM_uint32 acceptor_time_req, 40 gss_cred_id_t *output_cred_handle, 41 gss_OID_set *actual_mechs, 42 OM_uint32 *initiator_time_rec, 43 OM_uint32 *acceptor_time_rec) 44 { 45 OM_uint32 major_status; 46 gssapi_mech_interface m; 47 struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle; 48 struct _gss_cred *new_cred; 49 struct _gss_mechanism_cred *mc; 50 struct _gss_mechanism_name *mn = NULL; 51 OM_uint32 junk, time_req; 52 53 *minor_status = 0; 54 *output_cred_handle = GSS_C_NO_CREDENTIAL; 55 if (initiator_time_rec) 56 *initiator_time_rec = 0; 57 if (acceptor_time_rec) 58 *acceptor_time_rec = 0; 59 if (actual_mechs) 60 *actual_mechs = GSS_C_NO_OID_SET; 61 62 m = __gss_get_mechanism(desired_mech); 63 if (m == NULL) { 64 *minor_status = 0; 65 return (GSS_S_BAD_MECH); 66 } 67 68 new_cred = calloc(1, sizeof(struct _gss_cred)); 69 if (new_cred == NULL) { 70 *minor_status = ENOMEM; 71 return (GSS_S_FAILURE); 72 } 73 HEIM_SLIST_INIT(&new_cred->gc_mc); 74 75 /* 76 * Copy credentials from un-desired mechanisms to the new credential. 77 */ 78 if (cred) { 79 HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { 80 struct _gss_mechanism_cred *copy_mc; 81 82 if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) { 83 continue; 84 } 85 copy_mc = _gss_copy_cred(mc); 86 if (copy_mc == NULL) { 87 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 88 *minor_status = ENOMEM; 89 return (GSS_S_FAILURE); 90 } 91 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link); 92 } 93 } 94 95 /* 96 * Figure out a suitable mn, if any. 97 */ 98 if (desired_name != GSS_C_NO_NAME) { 99 major_status = _gss_find_mn(minor_status, 100 (struct _gss_name *) desired_name, 101 desired_mech, 102 &mn); 103 if (major_status != GSS_S_COMPLETE) { 104 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 105 return (major_status); 106 } 107 } 108 109 if (cred_usage == GSS_C_BOTH) 110 time_req = initiator_time_req > acceptor_time_req ? acceptor_time_req : initiator_time_req; 111 else if (cred_usage == GSS_C_INITIATE) 112 time_req = initiator_time_req; 113 else 114 time_req = acceptor_time_req; 115 116 major_status = _gss_acquire_mech_cred(minor_status, m, mn, 117 GSS_C_CRED_PASSWORD, password, 118 time_req, desired_mech, 119 cred_usage, &mc); 120 if (major_status != GSS_S_COMPLETE) { 121 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 122 return (major_status); 123 } 124 125 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link); 126 127 if (actual_mechs || initiator_time_rec || acceptor_time_rec) { 128 OM_uint32 time_rec; 129 130 major_status = gss_inquire_cred(minor_status, 131 (gss_cred_id_t)new_cred, 132 NULL, 133 &time_rec, 134 NULL, 135 actual_mechs); 136 if (GSS_ERROR(major_status)) { 137 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred); 138 return (major_status); 139 } 140 if (initiator_time_rec && 141 (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH)) 142 *initiator_time_rec = time_rec; 143 if (acceptor_time_rec && 144 (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH)) 145 *acceptor_time_rec = time_rec; 146 } 147 148 *output_cred_handle = (gss_cred_id_t) new_cred; 149 return (GSS_S_COMPLETE); 150 } 151