1 /* 2 * Copyright (c) 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 OM_uint32 GSSAPI_CALLCONV 37 _gsskrb5_store_cred(OM_uint32 *minor_status, 38 gss_cred_id_t input_cred_handle, 39 gss_cred_usage_t cred_usage, 40 const gss_OID desired_mech, 41 OM_uint32 overwrite_cred, 42 OM_uint32 default_cred, 43 gss_OID_set *elements_stored, 44 gss_cred_usage_t *cred_usage_stored) 45 { 46 krb5_context context; 47 krb5_error_code ret; 48 gsskrb5_cred cred; 49 krb5_ccache id; 50 int destroy = 0; 51 52 *minor_status = 0; 53 54 if (cred_usage != GSS_C_INITIATE) { 55 *minor_status = GSS_KRB5_S_G_BAD_USAGE; 56 return GSS_S_FAILURE; 57 } 58 59 if (gss_oid_equal(desired_mech, GSS_KRB5_MECHANISM) == 0) 60 return GSS_S_BAD_MECH; 61 62 cred = (gsskrb5_cred)input_cred_handle; 63 if (cred == NULL) 64 return GSS_S_NO_CRED; 65 66 GSSAPI_KRB5_INIT (&context); 67 68 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); 69 if (cred->usage != cred_usage && cred->usage != GSS_C_BOTH) { 70 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 71 *minor_status = GSS_KRB5_S_G_BAD_USAGE; 72 return(GSS_S_FAILURE); 73 } 74 75 if (cred->principal == NULL) { 76 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 77 *minor_status = GSS_KRB5_S_KG_TGT_MISSING; 78 return(GSS_S_FAILURE); 79 } 80 81 /* write out cred to credential cache */ 82 83 ret = krb5_cc_cache_match(context, cred->principal, &id); 84 if (ret) { 85 ret = krb5_cc_new_unique(context, NULL, NULL, &id); 86 if (ret) { 87 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 88 *minor_status = ret; 89 return(GSS_S_FAILURE); 90 } 91 destroy = 1; 92 } 93 94 ret = krb5_cc_initialize(context, id, cred->principal); 95 if (ret == 0) 96 ret = krb5_cc_copy_match_f(context, cred->ccache, id, NULL, NULL, NULL); 97 if (ret) { 98 if (destroy) 99 krb5_cc_destroy(context, id); 100 else 101 krb5_cc_close(context, id); 102 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 103 *minor_status = ret; 104 return(GSS_S_FAILURE); 105 } 106 107 if (default_cred) 108 krb5_cc_switch(context, id); 109 110 krb5_cc_close(context, id); 111 112 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 113 114 *minor_status = 0; 115 return GSS_S_COMPLETE; 116 } 117