crypto/external/bsd/heimdal/dist/lib/kadm5/get_princs_s.c

   1 /*      $NetBSD: get_princs_s.c,v 1.1.1.2 2014/04/24 12:45:48 pettai Exp $      */
   2
   3 /*
   4  * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "kadm5_locl.h"
  37
  38 __RCSID("NetBSD");
  39
  40 struct foreach_data {
  41     const char *exp;
  42     char *exp2;
  43     char **princs;
  44     int count;
  45 };
  46
  47 static krb5_error_code
  48 add_princ(struct foreach_data *d, char *princ)
  49 {
  50     char **tmp;
  51     tmp = realloc(d->princs, (d->count + 1) * sizeof(*tmp));
  52     if(tmp == NULL)
  53         return ENOMEM;
  54     d->princs = tmp;
  55     d->princs[d->count++] = princ;
  56     return 0;
  57 }
  58
  59 static krb5_error_code
  60 foreach(krb5_context context, HDB *db, hdb_entry_ex *ent, void *data)
  61 {
  62     struct foreach_data *d = data;
  63     char *princ;
  64     krb5_error_code ret;
  65     ret = krb5_unparse_name(context, ent->entry.principal, &princ);
  66     if(ret)
  67         return ret;
  68     if(d->exp){
  69         if(fnmatch(d->exp, princ, 0) == 0 || fnmatch(d->exp2, princ, 0) == 0)
  70             ret = add_princ(d, princ);
  71         else
  72             free(princ);
  73     }else{
  74         ret = add_princ(d, princ);
  75     }
  76     if(ret)
  77         free(princ);
  78     return ret;
  79 }
  80
  81 kadm5_ret_t
  82 kadm5_s_get_principals(void *server_handle,
  83                        const char *expression,
  84                        char ***princs,
  85                        int *count)
  86 {
  87     struct foreach_data d;
  88     kadm5_server_context *context = server_handle;
  89     kadm5_ret_t ret;
  90     ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
  91     if(ret) {
  92         krb5_warn(context->context, ret, "opening database");
  93         return ret;
  94     }
  95     d.exp = expression;
  96     {
  97         krb5_realm r;
  98         krb5_get_default_realm(context->context, &r);
  99         asprintf(&d.exp2, "%s@%s", expression, r);
 100         free(r);
 101     }
 102     d.princs = NULL;
 103     d.count = 0;
 104     ret = hdb_foreach(context->context, context->db, HDB_F_ADMIN_DATA, foreach, &d);
 105     context->db->hdb_close(context->context, context->db);
 106     if(ret == 0)
 107         ret = add_princ(&d, NULL);
 108     if(ret == 0){
 109         *princs = d.princs;
 110         *count = d.count - 1;
 111     }else
 112         kadm5_free_name_list(context, d.princs, &d.count);
 113     free(d.exp2);
 114     return _kadm5_error_code(ret);
 115 }