1 /* $NetBSD: ent_setup.c,v 1.1.1.2 2014/04/24 12:45:48 pettai Exp $ */
2
3 /*
4 * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include "kadm5_locl.h"
39
40 __RCSID("NetBSD");
41
42 #define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0)
43 #define set_null(X) do { if((X) != NULL) free((X)); (X) = NULL; } while (0)
44
45 static void
attr_to_flags(unsigned attr,HDBFlags * flags)46 attr_to_flags(unsigned attr, HDBFlags *flags)
47 {
48 flags->postdate = !(attr & KRB5_KDB_DISALLOW_POSTDATED);
49 flags->forwardable = !(attr & KRB5_KDB_DISALLOW_FORWARDABLE);
50 flags->initial = !!(attr & KRB5_KDB_DISALLOW_TGT_BASED);
51 flags->renewable = !(attr & KRB5_KDB_DISALLOW_RENEWABLE);
52 flags->proxiable = !(attr & KRB5_KDB_DISALLOW_PROXIABLE);
53 /* DUP_SKEY */
54 flags->invalid = !!(attr & KRB5_KDB_DISALLOW_ALL_TIX);
55 flags->require_preauth = !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH);
56 /* HW_AUTH */
57 flags->server = !(attr & KRB5_KDB_DISALLOW_SVR);
58 flags->change_pw = !!(attr & KRB5_KDB_PWCHANGE_SERVICE);
59 flags->client = 1; /* XXX */
60 flags->ok_as_delegate = !!(attr & KRB5_KDB_OK_AS_DELEGATE);
61 flags->trusted_for_delegation = !!(attr & KRB5_KDB_TRUSTED_FOR_DELEGATION);
62 flags->allow_kerberos4 = !!(attr & KRB5_KDB_ALLOW_KERBEROS4);
63 flags->allow_digest = !!(attr & KRB5_KDB_ALLOW_DIGEST);
64 }
65
66 /*
67 * Modify the `ent' according to `tl_data'.
68 */
69
70 static kadm5_ret_t
perform_tl_data(krb5_context context,HDB * db,hdb_entry_ex * ent,const krb5_tl_data * tl_data)71 perform_tl_data(krb5_context context,
72 HDB *db,
73 hdb_entry_ex *ent,
74 const krb5_tl_data *tl_data)
75 {
76 kadm5_ret_t ret = 0;
77
78 if (tl_data->tl_data_type == KRB5_TL_PASSWORD) {
79 heim_utf8_string pw = tl_data->tl_data_contents;
80
81 if (pw[tl_data->tl_data_length] != '\0')
82 return KADM5_BAD_TL_TYPE;
83
84 ret = hdb_entry_set_password(context, db, &ent->entry, pw);
85
86 } else if (tl_data->tl_data_type == KRB5_TL_LAST_PWD_CHANGE) {
87 unsigned char *s;
88 time_t t;
89
90 if (tl_data->tl_data_length != 4)
91 return KADM5_BAD_TL_TYPE;
92
93 s = tl_data->tl_data_contents;
94
95 t = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24);
96
97 ret = hdb_entry_set_pw_change_time(context, &ent->entry, t);
98
99 } else if (tl_data->tl_data_type == KRB5_TL_EXTENSION) {
100 HDB_extension ext;
101
102 ret = decode_HDB_extension(tl_data->tl_data_contents,
103 tl_data->tl_data_length,
104 &ext,
105 NULL);
106 if (ret)
107 return KADM5_BAD_TL_TYPE;
108
109 ret = hdb_replace_extension(context, &ent->entry, &ext);
110 free_HDB_extension(&ext);
111 } else {
112 return KADM5_BAD_TL_TYPE;
113 }
114 return ret;
115 }
116
117 static void
default_flags(hdb_entry_ex * ent,int server)118 default_flags(hdb_entry_ex *ent, int server)
119 {
120 ent->entry.flags.client = 1;
121 ent->entry.flags.server = !!server;
122 ent->entry.flags.forwardable = 1;
123 ent->entry.flags.proxiable = 1;
124 ent->entry.flags.renewable = 1;
125 ent->entry.flags.postdate = 1;
126 }
127
128
129 /*
130 * Create the hdb entry `ent' based on data from `princ' with
131 * `princ_mask' specifying what fields to be gotten from there and
132 * `mask' specifying what fields we want filled in.
133 */
134
135 kadm5_ret_t
_kadm5_setup_entry(kadm5_server_context * context,hdb_entry_ex * ent,uint32_t mask,kadm5_principal_ent_t princ,uint32_t princ_mask,kadm5_principal_ent_t def,uint32_t def_mask)136 _kadm5_setup_entry(kadm5_server_context *context,
137 hdb_entry_ex *ent,
138 uint32_t mask,
139 kadm5_principal_ent_t princ,
140 uint32_t princ_mask,
141 kadm5_principal_ent_t def,
142 uint32_t def_mask)
143 {
144 if(mask & KADM5_PRINC_EXPIRE_TIME
145 && princ_mask & KADM5_PRINC_EXPIRE_TIME) {
146 if (princ->princ_expire_time)
147 set_value(ent->entry.valid_end, princ->princ_expire_time);
148 else
149 set_null(ent->entry.valid_end);
150 }
151 if(mask & KADM5_PW_EXPIRATION
152 && princ_mask & KADM5_PW_EXPIRATION) {
153 if (princ->pw_expiration)
154 set_value(ent->entry.pw_end, princ->pw_expiration);
155 else
156 set_null(ent->entry.pw_end);
157 }
158 if(mask & KADM5_ATTRIBUTES) {
159 if (princ_mask & KADM5_ATTRIBUTES) {
160 attr_to_flags(princ->attributes, &ent->entry.flags);
161 } else if(def_mask & KADM5_ATTRIBUTES) {
162 attr_to_flags(def->attributes, &ent->entry.flags);
163 ent->entry.flags.invalid = 0;
164 } else {
165 default_flags(ent, 1);
166 }
167 }
168
169 if(mask & KADM5_MAX_LIFE) {
170 if(princ_mask & KADM5_MAX_LIFE) {
171 if(princ->max_life)
172 set_value(ent->entry.max_life, princ->max_life);
173 else
174 set_null(ent->entry.max_life);
175 } else if(def_mask & KADM5_MAX_LIFE) {
176 if(def->max_life)
177 set_value(ent->entry.max_life, def->max_life);
178 else
179 set_null(ent->entry.max_life);
180 }
181 }
182 if(mask & KADM5_KVNO
183 && princ_mask & KADM5_KVNO)
184 ent->entry.kvno = princ->kvno;
185 if(mask & KADM5_MAX_RLIFE) {
186 if(princ_mask & KADM5_MAX_RLIFE) {
187 if(princ->max_renewable_life)
188 set_value(ent->entry.max_renew, princ->max_renewable_life);
189 else
190 set_null(ent->entry.max_renew);
191 } else if(def_mask & KADM5_MAX_RLIFE) {
192 if(def->max_renewable_life)
193 set_value(ent->entry.max_renew, def->max_renewable_life);
194 else
195 set_null(ent->entry.max_renew);
196 }
197 }
198 if(mask & KADM5_KEY_DATA
199 && princ_mask & KADM5_KEY_DATA) {
200 _kadm5_set_keys2(context, &ent->entry,
201 princ->n_key_data, princ->key_data);
202 }
203 if(mask & KADM5_TL_DATA) {
204 krb5_tl_data *tl;
205
206 for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next) {
207 kadm5_ret_t ret;
208 ret = perform_tl_data(context->context, context->db, ent, tl);
209 if (ret)
210 return ret;
211 }
212 }
213 if(mask & KADM5_FAIL_AUTH_COUNT) {
214 /* XXX */
215 }
216 return 0;
217 }
218