2 * Copyright (c) 1997 - 2005 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
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #define KRB5_DEPRECATED /* uses v4 functions that will die */
38 static int version_flag;
40 static const char *ktname = HPROP_KEYTAB;
41 static const char *database;
42 static char *mkeyfile;
44 static int verbose_flag;
45 static int encrypt_flag;
46 static int decrypt_flag;
47 static hdb_master_key mkey5;
49 static char *source_type;
51 static char *local_realm=NULL;
54 open_socket(krb5_context context, const char *hostname, const char *port)
56 struct addrinfo *ai, *a;
57 struct addrinfo hints;
60 memset (&hints, 0, sizeof(hints));
61 hints.ai_socktype = SOCK_STREAM;
62 hints.ai_protocol = IPPROTO_TCP;
64 error = getaddrinfo (hostname, port, &hints, &ai);
66 warnx ("%s: %s", hostname, gai_strerror(error));
70 for (a = ai; a != NULL; a = a->ai_next) {
73 s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
76 if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
77 warn ("connect(%s)", hostname);
84 warnx ("failed to contact %s", hostname);
90 v5_prop(krb5_context context, HDB *db, hdb_entry_ex *entry, void *appdata)
93 struct prop_data *pd = appdata;
97 ret = hdb_seal_keys_mkey(context, &entry->entry, mkey5);
99 krb5_warn(context, ret, "hdb_seal_keys_mkey");
104 ret = hdb_unseal_keys_mkey(context, &entry->entry, mkey5);
106 krb5_warn(context, ret, "hdb_unseal_keys_mkey");
111 ret = hdb_entry2value(context, &entry->entry, &data);
113 krb5_warn(context, ret, "hdb_entry2value");
118 ret = krb5_write_message(context, &pd->sock, &data);
120 ret = krb5_write_priv_message(context, pd->auth_context,
122 krb5_data_free(&data);
126 struct getargs args[] = {
127 { "master-key", 'm', arg_string, &mkeyfile, "v5 master key file", "file" },
128 { "database", 'd', arg_string, rk_UNCONST(&database), "database", "file" },
129 { "source", 0, arg_string, &source_type, "type of database to read",
134 { "keytab", 'k', arg_string, rk_UNCONST(&ktname),
135 "keytab to use for authentication", "keytab" },
136 { "v5-realm", 'R', arg_string, &local_realm, "v5 realm to use", NULL },
137 { "decrypt", 'D', arg_flag, &decrypt_flag, "decrypt keys", NULL },
138 { "encrypt", 'E', arg_flag, &encrypt_flag, "encrypt keys", NULL },
139 { "stdout", 'n', arg_flag, &to_stdout, "dump to stdout", NULL },
140 { "verbose", 'v', arg_flag, &verbose_flag, NULL, NULL },
141 { "version", 0, arg_flag, &version_flag, NULL, NULL },
142 { "help", 'h', arg_flag, &help_flag, NULL, NULL }
145 static int num_args = sizeof(args) / sizeof(args[0]);
150 arg_printusage (args, num_args, NULL, "[host[:port]] ...");
155 get_creds(krb5_context context, krb5_ccache *cache)
158 krb5_principal client;
160 krb5_get_init_creds_opt *init_opts;
161 krb5_preauthtype preauth = KRB5_PADATA_ENC_TIMESTAMP;
164 ret = krb5_kt_register(context, &hdb_kt_ops);
165 if(ret) krb5_err(context, 1, ret, "krb5_kt_register");
167 ret = krb5_kt_resolve(context, ktname, &keytab);
168 if(ret) krb5_err(context, 1, ret, "krb5_kt_resolve");
170 ret = krb5_make_principal(context, &client, NULL,
171 "kadmin", HPROP_NAME, NULL);
172 if(ret) krb5_err(context, 1, ret, "krb5_make_principal");
174 ret = krb5_get_init_creds_opt_alloc(context, &init_opts);
175 if(ret) krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc");
176 krb5_get_init_creds_opt_set_preauth_list(init_opts, &preauth, 1);
178 ret = krb5_get_init_creds_keytab(context, &creds, client, keytab, 0, NULL, init_opts);
179 if(ret) krb5_err(context, 1, ret, "krb5_get_init_creds");
181 krb5_get_init_creds_opt_free(context, init_opts);
183 ret = krb5_kt_close(context, keytab);
184 if(ret) krb5_err(context, 1, ret, "krb5_kt_close");
186 ret = krb5_cc_new_unique(context, krb5_cc_type_memory, NULL, cache);
187 if(ret) krb5_err(context, 1, ret, "krb5_cc_new_unique");
189 ret = krb5_cc_initialize(context, *cache, client);
190 if(ret) krb5_err(context, 1, ret, "krb5_cc_initialize");
192 krb5_free_principal(context, client);
194 ret = krb5_cc_store_cred(context, *cache, &creds);
195 if(ret) krb5_err(context, 1, ret, "krb5_cc_store_cred");
197 krb5_free_cred_contents(context, &creds);
209 { HPROP_HEIMDAL, "heimdal" },
210 { HPROP_MIT_DUMP, "mit-dump" }
214 parse_source_type(const char *s)
217 for(i = 0; i < sizeof(types) / sizeof(types[0]); i++) {
218 if(strstr(types[i].name, s) == types[i].name)
219 return types[i].type;
225 iterate (krb5_context context,
226 const char *database_name,
229 struct prop_data *pd)
235 ret = mit_prop_dump(pd, database_name);
237 krb5_warn(context, ret, "mit_prop_dump");
240 ret = hdb_foreach(context, db, HDB_F_DECRYPT, v5_prop, pd);
242 krb5_warn(context, ret, "hdb_foreach");
245 krb5_errx(context, 1, "unknown prop type: %d", type);
251 dump_database (krb5_context context, int type,
252 const char *database_name, HDB *db)
258 pd.context = context;
259 pd.auth_context = NULL;
260 pd.sock = STDOUT_FILENO;
262 ret = iterate (context, database_name, db, type, &pd);
264 krb5_errx(context, 1, "iterate failure");
265 krb5_data_zero (&data);
266 ret = krb5_write_message (context, &pd.sock, &data);
268 krb5_err(context, 1, ret, "krb5_write_message");
274 propagate_database (krb5_context context, int type,
275 const char *database_name,
276 HDB *db, krb5_ccache ccache,
277 int optidx, int argc, char **argv)
279 krb5_principal server;
283 for(i = optidx; i < argc; i++){
284 krb5_auth_context auth_context;
289 char *port, portstr[NI_MAXSERV];
290 char *host = argv[i];
292 port = strchr(host, ':');
294 snprintf(portstr, sizeof(portstr), "%u",
295 ntohs(krb5_getportbyname (context, "hprop", "tcp",
301 fd = open_socket(context, host, port);
304 krb5_warn (context, errno, "connect %s", host);
308 ret = krb5_sname_to_principal(context, argv[i],
309 HPROP_NAME, KRB5_NT_SRV_HST, &server);
312 krb5_warn(context, ret, "krb5_sname_to_principal(%s)", host);
319 krb5_get_default_realm(context,&my_realm);
320 krb5_principal_set_realm(context,server,my_realm);
321 krb5_xfree(my_realm);
325 ret = krb5_sendauth(context,
331 AP_OPTS_MUTUAL_REQUIRED | AP_OPTS_USE_SUBKEY,
339 krb5_free_principal(context, server);
343 krb5_warn(context, ret, "krb5_sendauth (%s)", host);
348 pd.context = context;
349 pd.auth_context = auth_context;
352 ret = iterate (context, database_name, db, type, &pd);
354 krb5_warnx(context, "iterate to host %s failed", host);
359 krb5_data_zero (&data);
360 ret = krb5_write_priv_message(context, auth_context, &fd, &data);
362 krb5_warn(context, ret, "krb5_write_priv_message");
367 ret = krb5_read_priv_message(context, auth_context, &fd, &data);
369 krb5_warn(context, ret, "krb5_read_priv_message: %s", host);
373 krb5_data_free (&data);
376 krb5_auth_con_free(context, auth_context);
385 main(int argc, char **argv)
388 krb5_context context;
389 krb5_ccache ccache = NULL;
395 setprogname(argv[0]);
397 if(getarg(args, num_args, argc, argv, &optidx))
408 ret = krb5_init_context(&context);
412 /* We may be reading an old database encrypted with a DES master key. */
413 ret = krb5_allow_weak_crypto(context, 1);
415 krb5_err(context, 1, ret, "krb5_allow_weak_crypto");
418 krb5_set_default_realm(context, local_realm);
420 if(encrypt_flag && decrypt_flag)
421 krb5_errx(context, 1,
422 "only one of `--encrypt' and `--decrypt' is meaningful");
424 if(source_type != NULL) {
425 type = parse_source_type(source_type);
427 krb5_errx(context, 1, "unknown source type `%s'", source_type);
429 type = HPROP_HEIMDAL;
432 get_creds(context, &ccache);
434 if(decrypt_flag || encrypt_flag) {
435 ret = hdb_read_master_key(context, mkeyfile, &mkey5);
436 if(ret && ret != ENOENT)
437 krb5_err(context, 1, ret, "hdb_read_master_key");
439 krb5_errx(context, 1, "No master key file found");
444 if (database == NULL)
445 krb5_errx(context, 1, "no dump file specified");
448 ret = hdb_create (context, &db, database);
450 krb5_err(context, 1, ret, "hdb_create: %s", database);
451 ret = db->hdb_open(context, db, O_RDONLY, 0);
453 krb5_err(context, 1, ret, "db->hdb_open");
456 krb5_errx(context, 1, "unknown dump type `%d'", type);
461 exit_code = dump_database (context, type, database, db);
463 exit_code = propagate_database (context, type, database,
464 db, ccache, optidx, argc, argv);
467 krb5_cc_destroy(context, ccache);
470 (*db->hdb_destroy)(context, db);
472 krb5_free_context(context);