1 /* 2 * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 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 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "gsskrb5_locl.h" 35 36 #if 0 37 OM_uint32 38 gss_krb5_copy_ccache(OM_uint32 *minor_status, 39 krb5_context context, 40 gss_cred_id_t cred, 41 krb5_ccache out) 42 { 43 krb5_error_code kret; 44 45 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); 46 47 if (cred->ccache == NULL) { 48 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 49 *minor_status = EINVAL; 50 return GSS_S_FAILURE; 51 } 52 53 kret = krb5_cc_copy_cache(context, cred->ccache, out); 54 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 55 if (kret) { 56 *minor_status = kret; 57 return GSS_S_FAILURE; 58 } 59 *minor_status = 0; 60 return GSS_S_COMPLETE; 61 } 62 #endif 63 64 65 OM_uint32 66 _gsskrb5_krb5_import_cred(OM_uint32 *minor_status, 67 krb5_ccache id, 68 krb5_principal keytab_principal, 69 krb5_keytab keytab, 70 gss_cred_id_t *cred) 71 { 72 krb5_context context; 73 krb5_error_code kret; 74 gsskrb5_cred handle; 75 OM_uint32 ret; 76 77 *cred = NULL; 78 79 GSSAPI_KRB5_INIT (&context); 80 81 handle = calloc(1, sizeof(*handle)); 82 if (handle == NULL) { 83 _gsskrb5_clear_status (); 84 *minor_status = ENOMEM; 85 return (GSS_S_FAILURE); 86 } 87 HEIMDAL_MUTEX_init(&handle->cred_id_mutex); 88 89 handle->usage = 0; 90 91 if (id) { 92 char *str; 93 94 handle->usage |= GSS_C_INITIATE; 95 96 kret = krb5_cc_get_principal(context, id, 97 &handle->principal); 98 if (kret) { 99 free(handle); 100 *minor_status = kret; 101 return GSS_S_FAILURE; 102 } 103 104 if (keytab_principal) { 105 krb5_boolean match; 106 107 match = krb5_principal_compare(context, 108 handle->principal, 109 keytab_principal); 110 if (match == FALSE) { 111 krb5_free_principal(context, handle->principal); 112 free(handle); 113 _gsskrb5_clear_status (); 114 *minor_status = EINVAL; 115 return GSS_S_FAILURE; 116 } 117 } 118 119 ret = __gsskrb5_ccache_lifetime(minor_status, 120 context, 121 id, 122 handle->principal, 123 &handle->lifetime); 124 if (ret != GSS_S_COMPLETE) { 125 krb5_free_principal(context, handle->principal); 126 free(handle); 127 return ret; 128 } 129 130 131 kret = krb5_cc_get_full_name(context, id, &str); 132 if (kret) 133 goto out; 134 135 kret = krb5_cc_resolve(context, str, &handle->ccache); 136 free(str); 137 if (kret) 138 goto out; 139 } 140 141 142 if (keytab) { 143 char *str; 144 145 handle->usage |= GSS_C_ACCEPT; 146 147 if (keytab_principal && handle->principal == NULL) { 148 kret = krb5_copy_principal(context, 149 keytab_principal, 150 &handle->principal); 151 if (kret) 152 goto out; 153 } 154 155 kret = krb5_kt_get_full_name(context, keytab, &str); 156 if (kret) 157 goto out; 158 159 kret = krb5_kt_resolve(context, str, &handle->keytab); 160 free(str); 161 if (kret) 162 goto out; 163 } 164 165 166 if (id || keytab) { 167 ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); 168 if (ret == GSS_S_COMPLETE) 169 ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, 170 &handle->mechanisms); 171 if (ret != GSS_S_COMPLETE) { 172 kret = *minor_status; 173 goto out; 174 } 175 } 176 177 *minor_status = 0; 178 *cred = (gss_cred_id_t)handle; 179 return GSS_S_COMPLETE; 180 181 out: 182 gss_release_oid_set(minor_status, &handle->mechanisms); 183 if (handle->ccache) 184 krb5_cc_close(context, handle->ccache); 185 if (handle->keytab) 186 krb5_kt_close(context, handle->keytab); 187 if (handle->principal) 188 krb5_free_principal(context, handle->principal); 189 HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); 190 free(handle); 191 *minor_status = kret; 192 return GSS_S_FAILURE; 193 } 194