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
add_tl(kadm5_principal_ent_rec * princ,int type,krb5_data * data)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
add_constrained_delegation(krb5_context contextp,kadm5_principal_ent_rec * princ,struct getarg_strings * strings)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
add_aliases(krb5_context contextp,kadm5_principal_ent_rec * princ,struct getarg_strings * strings)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
add_pkinit_acl(krb5_context contextp,kadm5_principal_ent_rec * princ,struct getarg_strings * strings)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
do_mod_entry(krb5_principal principal,void * data)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
mod_entry(struct modify_options * opt,int argc,char ** argv)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