mod.c revision 1.1.1.1.10.1 
1/*	$NetBSD: mod.c,v 1.1.1.1.10.1 2014/08/19 23:45:16 tls Exp $	*/
2
3/*
4 * Copyright (c) 1997 - 2006 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 "kadmin_locl.h"
37#include "kadmin-commands.h"
38
39static void
40add_tl(kadm5_principal_ent_rec *princ, int type, krb5_data *data)
41{
42    krb5_tl_data *tl, **ptl;
43
44    tl = ecalloc(1, sizeof(*tl));
45    tl->tl_data_next = NULL;
46    tl->tl_data_type = KRB5_TL_EXTENSION;
47    tl->tl_data_length = data->length;
48    tl->tl_data_contents = data->data;
49
50    princ->n_tl_data++;
51    ptl = &princ->tl_data;
52    while (*ptl != NULL)
53	ptl = &(*ptl)->tl_data_next;
54    *ptl = tl;
55
56    return;
57}
58
59static void
60add_constrained_delegation(krb5_context contextp,
61			   kadm5_principal_ent_rec *princ,
62			   struct getarg_strings *strings)
63{
64    krb5_error_code ret;
65    HDB_extension ext;
66    krb5_data buf;
67    size_t size = 0;
68
69    memset(&ext, 0, sizeof(ext));
70    ext.mandatory = FALSE;
71    ext.data.element = choice_HDB_extension_data_allowed_to_delegate_to;
72
73    if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
74	ext.data.u.allowed_to_delegate_to.val = NULL;
75	ext.data.u.allowed_to_delegate_to.len = 0;
76    } else {
77	krb5_principal p;
78	int i;
79
80	ext.data.u.allowed_to_delegate_to.val =
81	    calloc(strings->num_strings,
82		   sizeof(ext.data.u.allowed_to_delegate_to.val[0]));
83	ext.data.u.allowed_to_delegate_to.len = strings->num_strings;
84
85	for (i = 0; i < strings->num_strings; i++) {
86	    ret = krb5_parse_name(contextp, strings->strings[i], &p);
87	    if (ret)
88		abort();
89	    ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]);
90	    if (ret)
91		abort();
92	    krb5_free_principal(contextp, p);
93	}
94    }
95
96    ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
97		       &ext, &size, ret);
98    free_HDB_extension(&ext);
99    if (ret)
100	abort();
101    if (buf.length != size)
102	abort();
103
104    add_tl(princ, KRB5_TL_EXTENSION, &buf);
105}
106
107static void
108add_aliases(krb5_context contextp, kadm5_principal_ent_rec *princ,
109	    struct getarg_strings *strings)
110{
111    krb5_error_code ret;
112    HDB_extension ext;
113    krb5_data buf;
114    krb5_principal p;
115    size_t size = 0;
116    int i;
117
118    memset(&ext, 0, sizeof(ext));
119    ext.mandatory = FALSE;
120    ext.data.element = choice_HDB_extension_data_aliases;
121    ext.data.u.aliases.case_insensitive = 0;
122
123    if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
124	ext.data.u.aliases.aliases.val = NULL;
125	ext.data.u.aliases.aliases.len = 0;
126    } else {
127	ext.data.u.aliases.aliases.val =
128	    calloc(strings->num_strings,
129		   sizeof(ext.data.u.aliases.aliases.val[0]));
130	ext.data.u.aliases.aliases.len = strings->num_strings;
131
132	for (i = 0; i < strings->num_strings; i++) {
133	    ret = krb5_parse_name(contextp, strings->strings[i], &p);
134	    ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]);
135	    krb5_free_principal(contextp, p);
136	}
137    }
138
139    ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
140		       &ext, &size, ret);
141    free_HDB_extension(&ext);
142    if (ret)
143	abort();
144    if (buf.length != size)
145	abort();
146
147    add_tl(princ, KRB5_TL_EXTENSION, &buf);
148}
149
150static void
151add_pkinit_acl(krb5_context contextp, kadm5_principal_ent_rec *princ,
152	       struct getarg_strings *strings)
153{
154    krb5_error_code ret;
155    HDB_extension ext;
156    krb5_data buf;
157    size_t size = 0;
158    int i;
159
160    memset(&ext, 0, sizeof(ext));
161    ext.mandatory = FALSE;
162    ext.data.element = choice_HDB_extension_data_pkinit_acl;
163    ext.data.u.aliases.case_insensitive = 0;
164
165    if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
166	ext.data.u.pkinit_acl.val = NULL;
167	ext.data.u.pkinit_acl.len = 0;
168    } else {
169	ext.data.u.pkinit_acl.val =
170	    calloc(strings->num_strings,
171		   sizeof(ext.data.u.pkinit_acl.val[0]));
172	ext.data.u.pkinit_acl.len = strings->num_strings;
173
174	for (i = 0; i < strings->num_strings; i++) {
175	    ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]);
176	}
177    }
178
179    ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
180		       &ext, &size, ret);
181    free_HDB_extension(&ext);
182    if (ret)
183	abort();
184    if (buf.length != size)
185	abort();
186
187    add_tl(princ, KRB5_TL_EXTENSION, &buf);
188}
189
190static int
191do_mod_entry(krb5_principal principal, void *data)
192{
193    krb5_error_code ret;
194    kadm5_principal_ent_rec princ;
195    int mask = 0;
196    struct modify_options *e = data;
197
198    memset (&princ, 0, sizeof(princ));
199    ret = kadm5_get_principal(kadm_handle, principal, &princ,
200			      KADM5_PRINCIPAL | KADM5_ATTRIBUTES |
201			      KADM5_MAX_LIFE | KADM5_MAX_RLIFE |
202			      KADM5_PRINC_EXPIRE_TIME |
203			      KADM5_PW_EXPIRATION);
204    if(ret)
205	return ret;
206
207    if(e->max_ticket_life_string ||
208       e->max_renewable_life_string ||
209       e->expiration_time_string ||
210       e->pw_expiration_time_string ||
211       e->attributes_string ||
212       e->kvno_integer != -1 ||
213       e->constrained_delegation_strings.num_strings ||
214       e->alias_strings.num_strings ||
215       e->pkinit_acl_strings.num_strings) {
216	ret = set_entry(context, &princ, &mask,
217			e->max_ticket_life_string,
218			e->max_renewable_life_string,
219			e->expiration_time_string,
220			e->pw_expiration_time_string,
221			e->attributes_string);
222	if(e->kvno_integer != -1) {
223	    princ.kvno = e->kvno_integer;
224	    mask |= KADM5_KVNO;
225	}
226	if (e->constrained_delegation_strings.num_strings) {
227	    add_constrained_delegation(context, &princ,
228				       &e->constrained_delegation_strings);
229	    mask |= KADM5_TL_DATA;
230	}
231	if (e->alias_strings.num_strings) {
232	    add_aliases(context, &princ, &e->alias_strings);
233	    mask |= KADM5_TL_DATA;
234	}
235	if (e->pkinit_acl_strings.num_strings) {
236	    add_pkinit_acl(context, &princ, &e->pkinit_acl_strings);
237	    mask |= KADM5_TL_DATA;
238	}
239
240    } else
241	ret = edit_entry(&princ, &mask, NULL, 0);
242    if(ret == 0) {
243	ret = kadm5_modify_principal(kadm_handle, &princ, mask);
244	if(ret)
245	    krb5_warn(context, ret, "kadm5_modify_principal");
246    }
247
248    kadm5_free_principal_ent(kadm_handle, &princ);
249    return ret;
250}
251
252int
253mod_entry(struct modify_options *opt, int argc, char **argv)
254{
255    krb5_error_code ret = 0;
256    int i;
257
258    for(i = 0; i < argc; i++) {
259	ret = foreach_principal(argv[i], do_mod_entry, "mod", opt);
260	if (ret)
261	    break;
262    }
263    return ret != 0;
264}
265
266