1 /* 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 3 */ 4 /* 5 * Copyright 1997 by Massachusetts Institute of Technology 6 * All Rights Reserved. 7 * 8 * Export of this software from the United States of America may 9 * require a specific license from the United States Government. 10 * It is the responsibility of any person or organization contemplating 11 * export to obtain such a license before exporting. 12 * 13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 14 * distribute this software and its documentation for any purpose and 15 * without fee is hereby granted, provided that the above copyright 16 * notice appear in all copies and that both that copyright notice and 17 * this permission notice appear in supporting documentation, and that 18 * the name of M.I.T. not be used in advertising or publicity pertaining 19 * to distribution of the software without specific, written prior 20 * permission. Furthermore if you modify this software you must label 21 * your software as modified software and not distribute it in such a 22 * fashion that it might be confused with the original M.I.T. software. 23 * M.I.T. makes no representations about the suitability of 24 * this software for any purpose. It is provided "as is" without express 25 * or implied warranty. 26 * 27 */ 28 29 #include "gssapiP_krb5.h" 30 31 /* 32 * Check to see whether or not a GSSAPI krb5 credential is valid. If 33 * it is not, return an error. 34 */ 35 36 OM_uint32 37 krb5_gss_validate_cred_1(OM_uint32 *minor_status, gss_cred_id_t cred_handle, 38 krb5_context context) 39 { 40 krb5_gss_cred_id_t cred; 41 krb5_error_code code; 42 krb5_principal princ; 43 44 if (!kg_validate_cred_id(cred_handle)) { 45 *minor_status = (OM_uint32) G_VALIDATE_FAILED; 46 return(GSS_S_CALL_BAD_STRUCTURE|GSS_S_DEFECTIVE_CREDENTIAL); 47 } 48 49 cred = (krb5_gss_cred_id_t) cred_handle; 50 51 code = k5_mutex_lock(&cred->lock); 52 if (code) { 53 *minor_status = code; 54 return GSS_S_FAILURE; 55 } 56 57 if (cred->ccache) { 58 if ((code = krb5_cc_get_principal(context, cred->ccache, &princ))) { 59 k5_mutex_unlock(&cred->lock); 60 *minor_status = code; 61 return(GSS_S_DEFECTIVE_CREDENTIAL); 62 } 63 if (!krb5_principal_compare(context, princ, cred->princ)) { 64 k5_mutex_unlock(&cred->lock); 65 *minor_status = KG_CCACHE_NOMATCH; 66 return(GSS_S_DEFECTIVE_CREDENTIAL); 67 } 68 (void)krb5_free_principal(context, princ); 69 } 70 *minor_status = 0; 71 return GSS_S_COMPLETE; 72 } 73 74 OM_uint32 75 krb5_gss_validate_cred(minor_status, cred_handle) 76 OM_uint32 *minor_status; 77 gss_cred_id_t cred_handle; 78 { 79 krb5_context context; 80 krb5_error_code code; 81 OM_uint32 maj; 82 83 code = krb5_gss_init_context(&context); 84 if (code) { 85 *minor_status = code; 86 return GSS_S_FAILURE; 87 } 88 89 maj = krb5_gss_validate_cred_1(minor_status, cred_handle, context); 90 if (maj == 0) { 91 krb5_gss_cred_id_t cred = (krb5_gss_cred_id_t) cred_handle; 92 k5_mutex_assert_locked(&cred->lock); 93 k5_mutex_unlock(&cred->lock); 94 } else /* Solaris Kerberos - added this else */ 95 save_error_info(*minor_status, context); 96 krb5_free_context(context); 97 return maj; 98 } 99 100 101 102 103