Use unsigned where appropriate.
[heimdal.git] / kadmin / check.c
blob291652d5a7f3d6fa57304c68c9f8296da63ae152
1 /*
2 * Copyright (c) 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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.
35 * Check database for strange configurations on default principals
38 #include "kadmin_locl.h"
39 #include "kadmin-commands.h"
41 RCSID("$Id$");
43 static int
44 get_check_entry(const char *name, kadm5_principal_ent_rec *ent)
46 krb5_error_code ret;
47 krb5_principal principal;
49 ret = krb5_parse_name(context, name, &principal);
50 if (ret) {
51 krb5_warn(context, ret, "krb5_unparse_name: %s", name);
52 return 1;
55 memset(ent, 0, sizeof(*ent));
56 ret = kadm5_get_principal(kadm_handle, principal, ent, 0);
57 krb5_free_principal(context, principal);
58 if(ret)
59 return 1;
61 return 0;
65 static int
66 do_check_entry(krb5_principal principal, void *data)
68 krb5_error_code ret;
69 kadm5_principal_ent_rec princ;
70 char *name;
71 int i;
73 ret = krb5_unparse_name(context, principal, &name);
74 if (ret)
75 return 1;
77 memset (&princ, 0, sizeof(princ));
78 ret = kadm5_get_principal(kadm_handle, principal, &princ,
79 KADM5_PRINCIPAL | KADM5_KEY_DATA);
80 if(ret) {
81 krb5_warn(context, ret, "Failed to get principal: %s", name);
82 free(name);
83 return 0;
86 for (i = 0; i < princ.n_key_data; i++) {
87 size_t keysize;
88 ret = krb5_enctype_keysize(context,
89 princ.key_data[i].key_data_type[0],
90 &keysize);
91 if (ret == 0 && keysize != princ.key_data[i].key_data_length[0]) {
92 krb5_warnx(context,
93 "Principal %s enctype %d, wrong length: %lu\n",
94 name, princ.key_data[i].key_data_type[0],
95 (unsigned long)princ.key_data[i].key_data_length);
99 free(name);
100 kadm5_free_principal_ent(kadm_handle, &princ);
102 return 0;
106 check(void *opt, int argc, char **argv)
108 kadm5_principal_ent_rec ent;
109 krb5_error_code ret;
110 char *realm = NULL, *p, *p2;
111 int found;
113 if (argc == 0) {
114 ret = krb5_get_default_realm(context, &realm);
115 if (ret) {
116 krb5_warn(context, ret, "krb5_get_default_realm");
117 goto fail;
119 } else {
120 realm = strdup(argv[0]);
121 if (realm == NULL) {
122 krb5_warnx(context, "malloc");
123 goto fail;
128 * Check krbtgt/REALM@REALM
130 * For now, just check existance
133 if (asprintf(&p, "%s/%s@%s", KRB5_TGS_NAME, realm, realm) == -1) {
134 krb5_warn(context, errno, "asprintf");
135 goto fail;
138 ret = get_check_entry(p, &ent);
139 if (ret) {
140 printf("%s doesn't exist, are you sure %s is a realm in your database",
141 p, realm);
142 free(p);
143 goto fail;
145 free(p);
147 kadm5_free_principal_ent(kadm_handle, &ent);
150 * Check kadmin/admin@REALM
153 if (asprintf(&p, "kadmin/admin@%s", realm) == -1) {
154 krb5_warn(context, errno, "asprintf");
155 goto fail;
158 ret = get_check_entry(p, &ent);
159 if (ret) {
160 printf("%s doesn't exist, "
161 "there is no way to do remote administration", p);
162 free(p);
163 goto fail;
165 free(p);
167 kadm5_free_principal_ent(kadm_handle, &ent);
170 * Check kadmin/changepw@REALM
173 if (asprintf(&p, "kadmin/changepw@%s", realm) == -1) {
174 krb5_warn(context, errno, "asprintf");
175 goto fail;
178 ret = get_check_entry(p, &ent);
179 if (ret) {
180 printf("%s doesn't exist, "
181 "there is no way to do change password", p);
182 free(p);
183 goto fail;
185 free(p);
187 kadm5_free_principal_ent(kadm_handle, &ent);
190 * Check for duplicate afs keys
193 p2 = strdup(realm);
194 if (p2 == NULL) {
195 krb5_warn(context, errno, "malloc");
196 free(p);
197 goto fail;
199 strlwr(p2);
201 if (asprintf(&p, "afs/%s@%s", p2, realm) == -1) {
202 krb5_warn(context, errno, "asprintf");
203 free(p2);
204 goto fail;
206 free(p2);
208 ret = get_check_entry(p, &ent);
209 free(p);
210 if (ret == 0) {
211 kadm5_free_principal_ent(kadm_handle, &ent);
212 found = 1;
213 } else
214 found = 0;
216 if (asprintf(&p, "afs@%s", realm) == -1) {
217 krb5_warn(context, errno, "asprintf");
218 goto fail;
221 ret = get_check_entry(p, &ent);
222 free(p);
223 if (ret == 0) {
224 kadm5_free_principal_ent(kadm_handle, &ent);
225 if (found) {
226 krb5_warnx(context, "afs@REALM and afs/cellname@REALM both exists");
227 goto fail;
231 foreach_principal("*", do_check_entry, "check", NULL);
233 free(realm);
234 return 0;
235 fail:
236 free(realm);
237 return 1;