1/* $NetBSD: get_princs_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H��gskolan 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: get_princs_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $"); 39 40struct foreach_data { 41 const char *exp; 42 char *exp2; 43 char **princs; 44 int count; 45}; 46 47static krb5_error_code 48add_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 59static krb5_error_code 60foreach(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 81kadm5_ret_t 82kadm5_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 91 if (!context->keep_open) { 92 ret = context->db->hdb_open(context->context, context->db, O_RDONLY, 0); 93 if (ret) { 94 krb5_warn(context->context, ret, "opening database"); 95 return ret; 96 } 97 } 98 d.exp = expression; 99 { 100 krb5_realm r; 101 int aret; 102 103 krb5_get_default_realm(context->context, &r); 104 aret = asprintf(&d.exp2, "%s@%s", expression, r); 105 free(r); 106 if (aret == -1 || d.exp2 == NULL) { 107 ret = ENOMEM; 108 goto out; 109 } 110 } 111 d.princs = NULL; 112 d.count = 0; 113 ret = hdb_foreach(context->context, context->db, HDB_F_ADMIN_DATA, foreach, &d); 114 115 if (ret == 0) 116 ret = add_princ(&d, NULL); 117 if (ret == 0){ 118 *princs = d.princs; 119 *count = d.count - 1; 120 } else 121 kadm5_free_name_list(context, d.princs, &d.count); 122 free(d.exp2); 123 out: 124 if (!context->keep_open) 125 context->db->hdb_close(context->context, context->db); 126 return _kadm5_error_code(ret); 127} 128