2 * Copyright (c) 1997-2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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
39 static des_cblock mkey4;
40 static des_key_schedule msched4;
46 strftime(buf, sizeof(buf), "%Y%m%d%H%M", gmtime(&t));
51 dump_krb4(krb5_context context, hdb_entry *ent, int fd)
54 char instance[INST_SZ];
65 ret = krb5_524_conv_principal(context, ent->principal,
66 name, instance, realm);
68 krb5_unparse_name(context, ent->principal, &princ_name);
69 krb5_warn(context, ret, "%s", princ_name);
74 ret = krb5_get_default_realms (context, &realms);
76 krb5_warn(context, ret, "krb5_get_default_realms");
80 cmp = strcmp (realms[0], ent->principal->realm);
81 krb5_free_host_realm (context, realms);
85 snprintf (buf, sizeof(buf), "%s %s ", name,
86 (strlen(instance) != 0) ? instance : "*");
89 asprintf(&p, "%d", krb_time_to_life(0, *ent->max_life));
97 while (i < ent->keys.len &&
98 ent->keys.val[i].key.keytype != KEYTYPE_DES)
101 if (i == ent->keys.len) {
102 krb5_warnx(context, "No DES key for %s.%s", name, instance);
106 if (ent->keys.val[i].mkvno)
107 asprintf(&p, "%d ", *ent->keys.val[i].mkvno);
109 asprintf(&p, "%d ", 1);
113 asprintf(&p, "%d ", ent->kvno);
117 asprintf(&p, "%d ", 0); /* Attributes are always 0*/
122 u_int32_t *key = ent->keys.val[i].key.keyvalue.data;
123 kdb_encrypt_key((des_cblock*)key, (des_cblock*)key,
124 &mkey4, msched4, DES_ENCRYPT);
125 asprintf(&p, "%x %x ", (int)htonl(*key), (int)htonl(*(key+1)));
130 if (ent->valid_end == NULL)
131 strcat(buf, time2str(60*60*24*365*50)); /* no expiration */
133 strcat(buf, time2str(*ent->valid_end));
136 if (ent->modified_by == NULL)
137 modifier = &ent->created_by;
139 modifier = ent->modified_by;
141 ret = krb5_524_conv_principal(context, modifier->principal,
142 name, instance, realm);
144 krb5_unparse_name(context, modifier->principal, &princ_name);
145 krb5_warn(context, ret, "%s", princ_name);
149 asprintf(&p, "%s %s %s\n", time2str(modifier->time),
150 (strlen(name) != 0) ? name : "*",
151 (strlen(instance) != 0) ? instance : "*");
155 ret = write(fd, buf, strlen(buf));
157 krb5_warnx(context, "write");
162 static int inetd_flag = -1;
163 static int help_flag;
164 static int version_flag;
165 static int print_dump;
166 static char *database = HDB_DEFAULT_DB;
167 static int from_stdin;
171 static char *ktname = NULL;
173 struct getargs args[] = {
174 { "database", 'd', arg_string, &database, "database", "file" },
175 { "stdin", 'n', arg_flag, &from_stdin, "read from stdin" },
176 { "print", 0, arg_flag, &print_dump, "print dump to stdout" },
177 { "inetd", 'i', arg_negative_flag, &inetd_flag,
178 "Not started from inetd" },
179 { "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
181 { "v4dump", '4', arg_flag, &v4dump, "create v4 type DB" },
183 { "version", 0, arg_flag, &version_flag, NULL, NULL },
184 { "help", 'h', arg_flag, &help_flag, NULL, NULL}
187 static int num_args = sizeof(args) / sizeof(args[0]);
192 arg_printusage (args, num_args, NULL, "");
197 main(int argc, char **argv)
200 krb5_context context;
201 krb5_auth_context ac = NULL;
202 krb5_principal c1, c2;
203 krb5_authenticator authent;
209 krb5_log_facility *fac;
216 set_progname(argv[0]);
218 ret = krb5_init_context(&context);
222 ret = krb5_openlog(context, "hpropd", &fac);
225 krb5_set_warn_dest(context, fac);
227 if(getarg(args, num_args, argc, argv, &optind))
231 if (v4dump && database == HDB_DEFAULT_DB)
232 database = "/var/kerberos/524_dump";
251 struct sockaddr_storage ss;
252 struct sockaddr *sa = (struct sockaddr *)&ss;
253 socklen_t sin_len = sizeof(ss);
259 if (inetd_flag == -1) {
260 if (getpeername (fd, sa, &sin_len) < 0)
266 mini_inetd (krb5_getportbyname (context, "hprop", "tcp",
269 sin_len = sizeof(ss);
270 if(getpeername(fd, sa, &sin_len) < 0)
271 krb5_err(context, 1, errno, "getpeername");
273 if (inet_ntop(sa->sa_family,
274 socket_get_address (sa),
276 sizeof(addr_name)) == NULL)
277 strlcpy (addr_name, "unknown address",
280 krb5_log(context, fac, 0, "Connection from %s", addr_name);
282 ret = krb5_kt_register(context, &hdb_kt_ops);
284 krb5_err(context, 1, ret, "krb5_kt_register");
286 if (ktname != NULL) {
287 ret = krb5_kt_resolve(context, ktname, &keytab);
289 krb5_err (context, 1, ret, "krb5_kt_resolve %s", ktname);
291 ret = krb5_kt_default (context, &keytab);
293 krb5_err (context, 1, ret, "krb5_kt_default");
296 ret = krb5_recvauth(context, &ac, &fd, HPROP_VERSION, NULL,
299 krb5_err(context, 1, ret, "krb5_recvauth");
301 ret = krb5_unparse_name(context, ticket->server, &server);
303 krb5_err(context, 1, ret, "krb5_unparse_name");
304 if (strncmp(server, "hprop/", 5) != 0)
305 krb5_errx(context, 1, "ticket not for hprop (%s)", server);
308 krb5_free_ticket (context, ticket);
310 ret = krb5_auth_getauthenticator(context, ac, &authent);
312 krb5_err(context, 1, ret, "krb5_auth_getauthenticator");
314 ret = krb5_make_principal(context, &c1, NULL, "kadmin", "hprop", NULL);
316 krb5_err(context, 1, ret, "krb5_make_principal");
317 principalname2krb5_principal(&c2, authent->cname, authent->crealm);
318 if(!krb5_principal_compare(context, c1, c2)) {
320 krb5_unparse_name(context, c2, &s);
321 krb5_errx(context, 1, "Unauthorized connection from %s", s);
323 krb5_free_principal(context, c1);
324 krb5_free_principal(context, c2);
326 ret = krb5_kt_close(context, keytab);
328 krb5_err(context, 1, ret, "krb5_kt_close");
332 asprintf(&tmp_db, "%s~", database);
335 fd_out = open(tmp_db, O_WRONLY | O_CREAT | O_TRUNC, 0600);
337 krb5_errx(context, 1, "%s", strerror(errno));
342 ret = hdb_create(context, &db, tmp_db);
344 krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
345 ret = db->open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
347 krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
353 e = kdb_get_master_key(0, &mkey4, msched4);
355 krb5_errx(context, 1, "kdb_get_master_key: %s",
356 krb_get_err_text(e));
366 ret = krb5_read_message(context, &fd, &data);
367 if(ret != 0 && ret != HEIM_ERR_EOF)
368 krb5_err(context, 1, ret, "krb5_read_message");
370 ret = krb5_read_priv_message(context, ac, &fd, &data);
372 krb5_err(context, 1, ret, "krb5_read_priv_message");
375 if(ret == HEIM_ERR_EOF || data.length == 0) {
379 krb5_write_priv_message(context, ac, &fd, &data);
384 ret = rename(tmp_db, database);
386 krb5_errx(context, 1, "rename");
389 krb5_errx(context, 1, "close");
393 ret = db->rename(context, db, database);
395 krb5_err(context, 1, ret, "db_rename");
396 ret = db->close(context, db);
398 krb5_err(context, 1, ret, "db_close");
403 ret = hdb_value2entry(context, &data, &entry);
405 krb5_err(context, 1, ret, "hdb_value2entry");
407 hdb_print_entry(context, db, &entry, stdout);
411 ret = dump_krb4(context, &entry, fd_out);
417 ret = db->store(context, db, 0, &entry);
418 if(ret == HDB_ERR_EXISTS) {
420 krb5_unparse_name(context, entry.principal, &s);
421 krb5_warnx(context, "Entry exists: %s", s);
424 krb5_err(context, 1, ret, "db_store");
429 hdb_free_entry(context, &entry);
432 krb5_log(context, fac, 0, "Received %d principals", nprincs);