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      1 /*	$NetBSD: gss_acquire_cred_with_password.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2011, PADL Software Pty Ltd.
      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  *
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  *
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * 3. Neither the name of PADL Software nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #include "mech_locl.h"
     36 
     37 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
     38 gss_acquire_cred_with_password(OM_uint32 *minor_status,
     39 			       gss_const_name_t desired_name,
     40 			       const gss_buffer_t password,
     41 			       OM_uint32 time_req,
     42 			       const gss_OID_set desired_mechs,
     43 			       gss_cred_usage_t cred_usage,
     44 			       gss_cred_id_t *output_cred_handle,
     45 			       gss_OID_set *actual_mechs,
     46 			       OM_uint32 *time_rec)
     47 {
     48     OM_uint32 major_status, tmp_minor;
     49 
     50     if (desired_mechs == GSS_C_NO_OID_SET) {
     51 	major_status = _gss_acquire_cred_ext(minor_status,
     52 					     desired_name,
     53 					     GSS_C_CRED_PASSWORD,
     54 					     password,
     55 					     time_req,
     56 					     GSS_C_NO_OID,
     57 					     cred_usage,
     58 					     output_cred_handle);
     59 	if (GSS_ERROR(major_status))
     60 	    return major_status;
     61     } else {
     62 	size_t i;
     63 	struct _gss_cred *new_cred;
     64 
     65 	new_cred = calloc(1, sizeof(*new_cred));
     66 	if (new_cred == NULL) {
     67 	    *minor_status = ENOMEM;
     68 	    return GSS_S_FAILURE;
     69 	}
     70 	HEIM_SLIST_INIT(&new_cred->gc_mc);
     71 
     72 	for (i = 0; i < desired_mechs->count; i++) {
     73 	    struct _gss_cred *tmp_cred = NULL;
     74 	    struct _gss_mechanism_cred *mc;
     75 
     76 	    major_status = _gss_acquire_cred_ext(minor_status,
     77 						 desired_name,
     78 						 GSS_C_CRED_PASSWORD,
     79 						 password,
     80 						 time_req,
     81 						 &desired_mechs->elements[i],
     82 						 cred_usage,
     83 						 (gss_cred_id_t *)&tmp_cred);
     84 	    if (GSS_ERROR(major_status))
     85 		continue;
     86 
     87 	    mc = HEIM_SLIST_FIRST(&tmp_cred->gc_mc);
     88 	    if (mc) {
     89 		HEIM_SLIST_REMOVE_HEAD(&tmp_cred->gc_mc, gmc_link);
     90 		HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
     91 	    }
     92 
     93 	    gss_release_cred(&tmp_minor, (gss_cred_id_t *)&tmp_cred);
     94 	}
     95 
     96 	if (!HEIM_SLIST_FIRST(&new_cred->gc_mc)) {
     97 	    free(new_cred);
     98             if (desired_mechs->count > 1)
     99                 *minor_status = 0;
    100 	    return GSS_S_NO_CRED;
    101 	}
    102 
    103 	*output_cred_handle = (gss_cred_id_t)new_cred;
    104     }
    105 
    106     if (actual_mechs != NULL || time_rec != NULL) {
    107 	major_status = gss_inquire_cred(minor_status,
    108 					*output_cred_handle,
    109 					NULL,
    110 					time_rec,
    111 					NULL,
    112 					actual_mechs);
    113 	if (GSS_ERROR(major_status)) {
    114 	    gss_release_cred(&tmp_minor, output_cred_handle);
    115 	    return major_status;
    116 	}
    117     }
    118 
    119     *minor_status = 0;
    120     return GSS_S_COMPLETE;
    121 }
    122