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 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: get_princs_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $");
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
add_princ(struct foreach_data * d,char * princ)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
foreach(krb5_context context,HDB * db,hdb_entry_ex * ent,void * data)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
kadm5_s_get_principals(void * server_handle,const char * expression,char *** princs,int * count)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
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