xref: /freebsd/crypto/heimdal/lib/kadm5/get_princs_c.c (revision 09a53ad8f1318c5daae6cfb19d97f4f6459f0013)
1 /*
2  * Copyright (c) 1997 - 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 kadm5_ret_t
39 kadm5_c_get_principals(void *server_handle,
40 		       const char *expression,
41 		       char ***princs,
42 		       int *count)
43 {
44     kadm5_client_context *context = server_handle;
45     kadm5_ret_t ret;
46     krb5_storage *sp;
47     unsigned char buf[1024];
48     int32_t tmp;
49     krb5_data reply;
50 
51     ret = _kadm5_connect(server_handle);
52     if(ret)
53 	return ret;
54 
55     sp = krb5_storage_from_mem(buf, sizeof(buf));
56     if (sp == NULL)
57 	return ENOMEM;
58     krb5_store_int32(sp, kadm_get_princs);
59     krb5_store_int32(sp, expression != NULL);
60     if(expression)
61 	krb5_store_string(sp, expression);
62     ret = _kadm5_client_send(context, sp);
63     krb5_storage_free(sp);
64     if (ret)
65 	return ret;
66     ret = _kadm5_client_recv(context, &reply);
67     if(ret)
68 	return ret;
69     sp = krb5_storage_from_data (&reply);
70     if (sp == NULL) {
71 	krb5_data_free (&reply);
72 	return ENOMEM;
73     }
74     krb5_ret_int32(sp, &tmp);
75     ret = tmp;
76     if(ret == 0) {
77 	int i;
78 	krb5_ret_int32(sp, &tmp);
79 	*princs = calloc(tmp + 1, sizeof(**princs));
80 	if (*princs == NULL) {
81 	    ret = ENOMEM;
82 	    goto out;
83 	}
84 	for(i = 0; i < tmp; i++)
85 	    krb5_ret_string(sp, &(*princs)[i]);
86 	*count = tmp;
87     }
88 out:
89     krb5_storage_free(sp);
90     krb5_data_free (&reply);
91     return ret;
92 }
93