xref: /freebsd/crypto/heimdal/kadmin/mod.c (revision 4d846d26)
1 /*
2  * Copyright (c) 1997 - 2006 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 "kadmin_locl.h"
35 #include "kadmin-commands.h"
36 
37 static void
38 add_tl(kadm5_principal_ent_rec *princ, int type, krb5_data *data)
39 {
40     krb5_tl_data *tl, **ptl;
41 
42     tl = ecalloc(1, sizeof(*tl));
43     tl->tl_data_next = NULL;
44     tl->tl_data_type = KRB5_TL_EXTENSION;
45     tl->tl_data_length = data->length;
46     tl->tl_data_contents = data->data;
47 
48     princ->n_tl_data++;
49     ptl = &princ->tl_data;
50     while (*ptl != NULL)
51 	ptl = &(*ptl)->tl_data_next;
52     *ptl = tl;
53 
54     return;
55 }
56 
57 static void
58 add_constrained_delegation(krb5_context contextp,
59 			   kadm5_principal_ent_rec *princ,
60 			   struct getarg_strings *strings)
61 {
62     krb5_error_code ret;
63     HDB_extension ext;
64     krb5_data buf;
65     size_t size = 0;
66 
67     memset(&ext, 0, sizeof(ext));
68     ext.mandatory = FALSE;
69     ext.data.element = choice_HDB_extension_data_allowed_to_delegate_to;
70 
71     if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
72 	ext.data.u.allowed_to_delegate_to.val = NULL;
73 	ext.data.u.allowed_to_delegate_to.len = 0;
74     } else {
75 	krb5_principal p;
76 	int i;
77 
78 	ext.data.u.allowed_to_delegate_to.val =
79 	    calloc(strings->num_strings,
80 		   sizeof(ext.data.u.allowed_to_delegate_to.val[0]));
81 	ext.data.u.allowed_to_delegate_to.len = strings->num_strings;
82 
83 	for (i = 0; i < strings->num_strings; i++) {
84 	    ret = krb5_parse_name(contextp, strings->strings[i], &p);
85 	    if (ret)
86 		abort();
87 	    ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]);
88 	    if (ret)
89 		abort();
90 	    krb5_free_principal(contextp, p);
91 	}
92     }
93 
94     ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
95 		       &ext, &size, ret);
96     free_HDB_extension(&ext);
97     if (ret)
98 	abort();
99     if (buf.length != size)
100 	abort();
101 
102     add_tl(princ, KRB5_TL_EXTENSION, &buf);
103 }
104 
105 static void
106 add_aliases(krb5_context contextp, kadm5_principal_ent_rec *princ,
107 	    struct getarg_strings *strings)
108 {
109     krb5_error_code ret = 0;
110     HDB_extension ext;
111     krb5_data buf;
112     krb5_principal p;
113     size_t size = 0;
114     int i;
115 
116     memset(&ext, 0, sizeof(ext));
117     ext.mandatory = FALSE;
118     ext.data.element = choice_HDB_extension_data_aliases;
119     ext.data.u.aliases.case_insensitive = 0;
120 
121     if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
122 	ext.data.u.aliases.aliases.val = NULL;
123 	ext.data.u.aliases.aliases.len = 0;
124     } else {
125 	ext.data.u.aliases.aliases.val =
126 	    calloc(strings->num_strings,
127 		   sizeof(ext.data.u.aliases.aliases.val[0]));
128 	ext.data.u.aliases.aliases.len = strings->num_strings;
129 
130 	for (i = 0; ret == 0 && i < strings->num_strings; i++) {
131 	    ret = krb5_parse_name(contextp, strings->strings[i], &p);
132             if (ret)
133                 krb5_err(contextp, 1, ret, "Could not parse alias %s",
134                          strings->strings[i]);
135             if (ret == 0)
136                 ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]);
137             if (ret)
138                 krb5_err(contextp, 1, ret, "Could not copy parsed alias %s",
139                          strings->strings[i]);
140 	    krb5_free_principal(contextp, p);
141 	}
142     }
143 
144     ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
145 		       &ext, &size, ret);
146     free_HDB_extension(&ext);
147     if (ret)
148 	abort();
149     if (buf.length != size)
150 	abort();
151 
152     add_tl(princ, KRB5_TL_EXTENSION, &buf);
153 }
154 
155 static void
156 add_pkinit_acl(krb5_context contextp, kadm5_principal_ent_rec *princ,
157 	       struct getarg_strings *strings)
158 {
159     krb5_error_code ret;
160     HDB_extension ext;
161     krb5_data buf;
162     size_t size = 0;
163     int i;
164 
165     memset(&ext, 0, sizeof(ext));
166     ext.mandatory = FALSE;
167     ext.data.element = choice_HDB_extension_data_pkinit_acl;
168     ext.data.u.aliases.case_insensitive = 0;
169 
170     if (strings->num_strings == 1 && strings->strings[0][0] == '\0') {
171 	ext.data.u.pkinit_acl.val = NULL;
172 	ext.data.u.pkinit_acl.len = 0;
173     } else {
174 	ext.data.u.pkinit_acl.val =
175 	    calloc(strings->num_strings,
176 		   sizeof(ext.data.u.pkinit_acl.val[0]));
177 	ext.data.u.pkinit_acl.len = strings->num_strings;
178 
179 	for (i = 0; i < strings->num_strings; i++) {
180 	    ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]);
181 	}
182     }
183 
184     ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length,
185 		       &ext, &size, ret);
186     free_HDB_extension(&ext);
187     if (ret)
188 	abort();
189     if (buf.length != size)
190 	abort();
191 
192     add_tl(princ, KRB5_TL_EXTENSION, &buf);
193 }
194 
195 static int
196 do_mod_entry(krb5_principal principal, void *data)
197 {
198     krb5_error_code ret;
199     kadm5_principal_ent_rec princ;
200     int mask = 0;
201     struct modify_options *e = data;
202 
203     memset (&princ, 0, sizeof(princ));
204     ret = kadm5_get_principal(kadm_handle, principal, &princ,
205 			      KADM5_PRINCIPAL | KADM5_ATTRIBUTES |
206 			      KADM5_MAX_LIFE | KADM5_MAX_RLIFE |
207 			      KADM5_PRINC_EXPIRE_TIME |
208 			      KADM5_PW_EXPIRATION);
209     if(ret)
210 	return ret;
211 
212     if(e->max_ticket_life_string ||
213        e->max_renewable_life_string ||
214        e->expiration_time_string ||
215        e->pw_expiration_time_string ||
216        e->attributes_string ||
217        e->kvno_integer != -1 ||
218        e->constrained_delegation_strings.num_strings ||
219        e->alias_strings.num_strings ||
220        e->pkinit_acl_strings.num_strings) {
221 	ret = set_entry(context, &princ, &mask,
222 			e->max_ticket_life_string,
223 			e->max_renewable_life_string,
224 			e->expiration_time_string,
225 			e->pw_expiration_time_string,
226 			e->attributes_string);
227 	if(e->kvno_integer != -1) {
228 	    princ.kvno = e->kvno_integer;
229 	    mask |= KADM5_KVNO;
230 	}
231 	if (e->constrained_delegation_strings.num_strings) {
232 	    add_constrained_delegation(context, &princ,
233 				       &e->constrained_delegation_strings);
234 	    mask |= KADM5_TL_DATA;
235 	}
236 	if (e->alias_strings.num_strings) {
237 	    add_aliases(context, &princ, &e->alias_strings);
238 	    mask |= KADM5_TL_DATA;
239 	}
240 	if (e->pkinit_acl_strings.num_strings) {
241 	    add_pkinit_acl(context, &princ, &e->pkinit_acl_strings);
242 	    mask |= KADM5_TL_DATA;
243 	}
244 
245     } else
246 	ret = edit_entry(&princ, &mask, NULL, 0);
247     if(ret == 0) {
248 	ret = kadm5_modify_principal(kadm_handle, &princ, mask);
249 	if(ret)
250 	    krb5_warn(context, ret, "kadm5_modify_principal");
251     }
252 
253     kadm5_free_principal_ent(kadm_handle, &princ);
254     return ret;
255 }
256 
257 int
258 mod_entry(struct modify_options *opt, int argc, char **argv)
259 {
260     krb5_error_code ret = 0;
261     int i;
262 
263     for(i = 0; i < argc; i++) {
264 	ret = foreach_principal(argv[i], do_mod_entry, "mod", opt);
265 	if (ret)
266 	    break;
267     }
268     return ret != 0;
269 }
270 
271