1 /* 2 * Copyright (c) 1997, 1998, 1999 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 "kadm5_locl.h" 35 36 RCSID("$Id$"); 37 38 struct foreach_data { 39 const char *exp; 40 char *exp2; 41 char **princs; 42 int count; 43 }; 44 45 static krb5_error_code 46 add_princ(struct foreach_data *d, char *princ) 47 { 48 char **tmp; 49 tmp = realloc(d->princs, (d->count + 1) * sizeof(*tmp)); 50 if(tmp == NULL) 51 return ENOMEM; 52 d->princs = tmp; 53 d->princs[d->count++] = princ; 54 return 0; 55 } 56 57 static krb5_error_code 58 foreach(krb5_context context, HDB *db, hdb_entry_ex *ent, void *data) 59 { 60 struct foreach_data *d = data; 61 char *princ; 62 krb5_error_code ret; 63 ret = krb5_unparse_name(context, ent->entry.principal, &princ); 64 if(ret) 65 return ret; 66 if(d->exp){ 67 if(fnmatch(d->exp, princ, 0) == 0 || fnmatch(d->exp2, princ, 0) == 0) 68 ret = add_princ(d, princ); 69 else 70 free(princ); 71 }else{ 72 ret = add_princ(d, princ); 73 } 74 if(ret) 75 free(princ); 76 return ret; 77 } 78 79 kadm5_ret_t 80 kadm5_s_get_principals(void *server_handle, 81 const char *expression, 82 char ***princs, 83 int *count) 84 { 85 struct foreach_data d; 86 kadm5_server_context *context = server_handle; 87 kadm5_ret_t ret; 88 ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0); 89 if(ret) { 90 krb5_warn(context->context, ret, "opening database"); 91 return ret; 92 } 93 d.exp = expression; 94 { 95 krb5_realm r; 96 if ((ret = krb5_get_default_realm(context->context, &r))) 97 return (ret); 98 asprintf(&d.exp2, "%s@%s", expression, r); 99 free(r); 100 } 101 d.princs = NULL; 102 d.count = 0; 103 ret = hdb_foreach(context->context, context->db, HDB_F_ADMIN_DATA, foreach, &d); 104 context->db->hdb_close(context->context, context->db); 105 if(ret == 0) 106 ret = add_princ(&d, NULL); 107 if(ret == 0){ 108 *princs = d.princs; 109 *count = d.count - 1; 110 }else 111 kadm5_free_name_list(context, d.princs, &d.count); 112 free(d.exp2); 113 return _kadm5_error_code(ret); 114 } 115