xref: /freebsd/crypto/heimdal/lib/kadm5/iprop-log.c (revision 8f1ef87a6b93af292e68f8e33087e2df6325e9bb)
1 /*
2  * Copyright (c) 1997 - 2005 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 "iprop.h"
35 #include <sl.h>
36 #include <parse_time.h>
37 #include "iprop-commands.h"
38 
39 RCSID("$Id$");
40 
41 static krb5_context context;
42 
43 static kadm5_server_context *
44 get_kadmin_context(const char *config_file, char *realm)
45 {
46     kadm5_config_params conf;
47     krb5_error_code ret;
48     void *kadm_handle;
49     char **files;
50 
51     if (config_file == NULL) {
52 	char *file;
53 	asprintf(&file, "%s/kdc.conf", hdb_db_dir(context));
54 	if (file == NULL)
55 	    errx(1, "out of memory");
56 	config_file = file;
57     }
58 
59     ret = krb5_prepend_config_files_default(config_file, &files);
60     if (ret)
61 	krb5_err(context, 1, ret, "getting configuration files");
62 
63     ret = krb5_set_config_files(context, files);
64     krb5_free_config_files(files);
65     if (ret)
66 	krb5_err(context, 1, ret, "reading configuration files");
67 
68     memset(&conf, 0, sizeof(conf));
69     if(realm) {
70 	conf.mask |= KADM5_CONFIG_REALM;
71 	conf.realm = realm;
72     }
73 
74     ret = kadm5_init_with_password_ctx (context,
75 					KADM5_ADMIN_SERVICE,
76 					NULL,
77 					KADM5_ADMIN_SERVICE,
78 					&conf, 0, 0,
79 					&kadm_handle);
80     if (ret)
81 	krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
82 
83     return (kadm5_server_context *)kadm_handle;
84 }
85 
86 /*
87  * dump log
88  */
89 
90 static const char *op_names[] = {
91     "get",
92     "delete",
93     "create",
94     "rename",
95     "chpass",
96     "modify",
97     "randkey",
98     "get_privs",
99     "get_princs",
100     "chpass_with_key",
101     "nop"
102 };
103 
104 static void
105 print_entry(kadm5_server_context *server_context,
106 	    uint32_t ver,
107 	    time_t timestamp,
108 	    enum kadm_ops op,
109 	    uint32_t len,
110 	    krb5_storage *sp,
111 	    void *ctx)
112 {
113     char t[256];
114     int32_t mask;
115     hdb_entry ent;
116     krb5_principal source;
117     char *name1, *name2;
118     krb5_data data;
119     krb5_context scontext = server_context->context;
120 
121     off_t end = krb5_storage_seek(sp, 0, SEEK_CUR) + len;
122 
123     krb5_error_code ret;
124 
125     strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S", localtime(&timestamp));
126 
127     if((int)op < (int)kadm_get || (int)op > (int)kadm_nop) {
128 	printf("unknown op: %d\n", op);
129 	krb5_storage_seek(sp, end, SEEK_SET);
130 	return;
131     }
132 
133     printf ("%s: ver = %u, timestamp = %s, len = %u\n",
134 	    op_names[op], ver, t, len);
135     switch(op) {
136     case kadm_delete:
137 	ret = krb5_unparse_name(scontext, source, &name1);
138 	if (ret == 0)
139 	    ret = krb5_ret_principal(sp, &source);
140 	if (ret)
141 	    krb5_err(scontext, 1, ret, "Failed to read a delete record");
142 	printf("    %s\n", name1);
143 	free(name1);
144 	krb5_free_principal(scontext, source);
145 	break;
146     case kadm_rename:
147 	ret = krb5_data_alloc(&data, len);
148 	if (ret == 0)
149 	    krb5_ret_principal(sp, &source);
150 	if (ret == 0 && krb5_storage_read(sp, data.data, data.length))
151 	    ret = errno;
152 	if (ret == 0)
153 	    ret = hdb_value2entry(scontext, &data, &ent);
154 	if (ret == 0)
155 	    ret = krb5_unparse_name(scontext, source, &name1);
156 	if (ret == 0)
157 	    ret = krb5_unparse_name(scontext, ent.principal, &name2);
158 	if (ret)
159 	    krb5_err (scontext, 1, ret, "kadm_rename: data alloc: %d", len);
160 	printf("    %s -> %s\n", name1, name2);
161 	free(name1);
162 	free(name2);
163 	krb5_free_principal(scontext, source);
164 	free_hdb_entry(&ent);
165 	break;
166     case kadm_create:
167 	ret = krb5_data_alloc(&data, len);
168 	if (ret == 0 && krb5_storage_read(sp, data.data, data.length))
169 	    ret = errno;
170 	if (ret == 0)
171 	    ret = hdb_value2entry(scontext, &data, &ent);
172 	if (ret)
173 	    krb5_err (scontext, 1, ret, "kadm_create: data alloc: %d", len);
174 	mask = ~0;
175 	goto foo;
176     case kadm_modify:
177 	ret = krb5_data_alloc(&data, len);
178 	if (ret == 0)
179 	    ret = krb5_ret_int32(sp, &mask);
180 	if (ret == 0 && krb5_storage_read(sp, data.data, data.length))
181 	    ret = errno;
182 	if (ret == 0)
183 	    ret = hdb_value2entry(scontext, &data, &ent);
184 	if (ret)
185 	    krb5_err (scontext, 1, ret, "kadm_modify: data alloc: %d", len);
186     foo:
187 	if(ent.principal /* mask & KADM5_PRINCIPAL */) {
188 	    ret = krb5_unparse_name(scontext, ent.principal, &name1);
189 	    if (ret)
190 		krb5_err(scontext, 1, ret,
191 			 "Failed to process a create or modify record");
192 	    printf("    principal = %s\n", name1);
193 	    free(name1);
194 	}
195 	if(mask & KADM5_PRINC_EXPIRE_TIME) {
196 	    if(ent.valid_end == NULL) {
197 		strlcpy(t, "never", sizeof(t));
198 	    } else {
199 		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
200 			 localtime(ent.valid_end));
201 	    }
202 	    printf("    expires = %s\n", t);
203 	}
204 	if(mask & KADM5_PW_EXPIRATION) {
205 	    if(ent.pw_end == NULL) {
206 		strlcpy(t, "never", sizeof(t));
207 	    } else {
208 		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
209 			 localtime(ent.pw_end));
210 	    }
211 	    printf("    password exp = %s\n", t);
212 	}
213 	if(mask & KADM5_LAST_PWD_CHANGE) {
214 	}
215 	if(mask & KADM5_ATTRIBUTES) {
216 	    unparse_flags(HDBFlags2int(ent.flags),
217 			  asn1_HDBFlags_units(), t, sizeof(t));
218 	    printf("    attributes = %s\n", t);
219 	}
220 	if(mask & KADM5_MAX_LIFE) {
221 	    if(ent.max_life == NULL)
222 		strlcpy(t, "for ever", sizeof(t));
223 	    else
224 		unparse_time(*ent.max_life, t, sizeof(t));
225 	    printf("    max life = %s\n", t);
226 	}
227 	if(mask & KADM5_MAX_RLIFE) {
228 	    if(ent.max_renew == NULL)
229 		strlcpy(t, "for ever", sizeof(t));
230 	    else
231 		unparse_time(*ent.max_renew, t, sizeof(t));
232 	    printf("    max rlife = %s\n", t);
233 	}
234 	if(mask & KADM5_MOD_TIME) {
235 	    printf("    mod time\n");
236 	}
237 	if(mask & KADM5_MOD_NAME) {
238 	    printf("    mod name\n");
239 	}
240 	if(mask & KADM5_KVNO) {
241 	    printf("    kvno = %d\n", ent.kvno);
242 	}
243 	if(mask & KADM5_MKVNO) {
244 	    printf("    mkvno\n");
245 	}
246 	if(mask & KADM5_AUX_ATTRIBUTES) {
247 	    printf("    aux attributes\n");
248 	}
249 	if(mask & KADM5_POLICY) {
250 	    printf("    policy\n");
251 	}
252 	if(mask & KADM5_POLICY_CLR) {
253 	    printf("    mod time\n");
254 	}
255 	if(mask & KADM5_LAST_SUCCESS) {
256 	    printf("    last success\n");
257 	}
258 	if(mask & KADM5_LAST_FAILED) {
259 	    printf("    last failed\n");
260 	}
261 	if(mask & KADM5_FAIL_AUTH_COUNT) {
262 	    printf("    fail auth count\n");
263 	}
264 	if(mask & KADM5_KEY_DATA) {
265 	    printf("    key data\n");
266 	}
267 	if(mask & KADM5_TL_DATA) {
268 	    printf("    tl data\n");
269 	}
270 	free_hdb_entry(&ent);
271 	break;
272     case kadm_nop :
273 	break;
274     default:
275 	krb5_errx(scontext, 1, "Unknown record type");
276     }
277     krb5_storage_seek(sp, end, SEEK_SET);
278 }
279 
280 int
281 iprop_dump(struct dump_options *opt, int argc, char **argv)
282 {
283     kadm5_server_context *server_context;
284     krb5_error_code ret;
285 
286     server_context = get_kadmin_context(opt->config_file_string,
287 					opt->realm_string);
288 
289     ret = kadm5_log_init (server_context);
290     if (ret)
291 	krb5_err (context, 1, ret, "kadm5_log_init");
292 
293     ret = kadm5_log_foreach (server_context, print_entry, NULL);
294     if(ret)
295 	krb5_warn(context, ret, "kadm5_log_foreach");
296 
297     ret = kadm5_log_end (server_context);
298     if (ret)
299 	krb5_warn(context, ret, "kadm5_log_end");
300     return 0;
301 }
302 
303 int
304 iprop_truncate(struct truncate_options *opt, int argc, char **argv)
305 {
306     kadm5_server_context *server_context;
307     krb5_error_code ret;
308 
309     server_context = get_kadmin_context(opt->config_file_string,
310 					opt->realm_string);
311 
312     ret = kadm5_log_truncate (server_context);
313     if (ret)
314 	krb5_err (context, 1, ret, "kadm5_log_truncate");
315 
316     return 0;
317 }
318 
319 int
320 last_version(struct last_version_options *opt, int argc, char **argv)
321 {
322     kadm5_server_context *server_context;
323     krb5_error_code ret;
324     uint32_t version;
325 
326     server_context = get_kadmin_context(opt->config_file_string,
327 					opt->realm_string);
328 
329     ret = kadm5_log_init (server_context);
330     if (ret)
331 	krb5_err (context, 1, ret, "kadm5_log_init");
332 
333     ret = kadm5_log_get_version (server_context, &version);
334     if (ret)
335 	krb5_err (context, 1, ret, "kadm5_log_get_version");
336 
337     ret = kadm5_log_end (server_context);
338     if (ret)
339 	krb5_warn(context, ret, "kadm5_log_end");
340 
341     printf("version: %lu\n", (unsigned long)version);
342 
343     return 0;
344 }
345 
346 /*
347  * Replay log
348  */
349 
350 int start_version = -1;
351 int end_version = -1;
352 
353 static void
354 apply_entry(kadm5_server_context *server_context,
355 	    uint32_t ver,
356 	    time_t timestamp,
357 	    enum kadm_ops op,
358 	    uint32_t len,
359 	    krb5_storage *sp,
360 	    void *ctx)
361 {
362     struct replay_options *opt = ctx;
363     krb5_error_code ret;
364 
365     if((opt->start_version_integer != -1 && ver < (uint32_t)opt->start_version_integer) ||
366        (opt->end_version_integer != -1 && ver > (uint32_t)opt->end_version_integer)) {
367 	/* XXX skip this entry */
368 	krb5_storage_seek(sp, len, SEEK_CUR);
369 	return;
370     }
371     printf ("ver %u... ", ver);
372     fflush (stdout);
373 
374     ret = kadm5_log_replay (server_context,
375 			    op, ver, len, sp);
376     if (ret)
377 	krb5_warn (server_context->context, ret, "kadm5_log_replay");
378 
379     printf ("done\n");
380 }
381 
382 int
383 iprop_replay(struct replay_options *opt, int argc, char **argv)
384 {
385     kadm5_server_context *server_context;
386     krb5_error_code ret;
387 
388     server_context = get_kadmin_context(opt->config_file_string,
389 					opt->realm_string);
390 
391     ret = server_context->db->hdb_open(context,
392 				       server_context->db,
393 				       O_RDWR | O_CREAT, 0600);
394     if (ret)
395 	krb5_err (context, 1, ret, "db->open");
396 
397     ret = kadm5_log_init (server_context);
398     if (ret)
399 	krb5_err (context, 1, ret, "kadm5_log_init");
400 
401     ret = kadm5_log_foreach (server_context, apply_entry, opt);
402     if(ret)
403 	krb5_warn(context, ret, "kadm5_log_foreach");
404     ret = kadm5_log_end (server_context);
405     if (ret)
406 	krb5_warn(context, ret, "kadm5_log_end");
407     ret = server_context->db->hdb_close (context, server_context->db);
408     if (ret)
409 	krb5_err (context, 1, ret, "db->close");
410 
411     return 0;
412 }
413 
414 static int help_flag;
415 static int version_flag;
416 
417 static struct getargs args[] = {
418     { "version", 	0,	arg_flag, 	&version_flag,
419       NULL,		NULL
420     },
421     { "help", 	'h', 	arg_flag, 	&help_flag,
422       NULL, NULL
423     }
424 };
425 
426 static int num_args = sizeof(args) / sizeof(args[0]);
427 
428 int
429 help(void *opt, int argc, char **argv)
430 {
431     if(argc == 0) {
432 	sl_help(commands, 1, argv - 1 /* XXX */);
433     } else {
434 	SL_cmd *c = sl_match (commands, argv[0], 0);
435  	if(c == NULL) {
436 	    fprintf (stderr, "No such command: %s. "
437 		     "Try \"help\" for a list of commands\n",
438 		     argv[0]);
439 	} else {
440 	    if(c->func) {
441 		static char shelp[] = "--help";
442 		char *fake[3];
443 		fake[0] = argv[0];
444 		fake[1] = shelp;
445 		fake[2] = NULL;
446 		(*c->func)(2, fake);
447 		fprintf(stderr, "\n");
448 	    }
449 	    if(c->help && *c->help)
450 		fprintf (stderr, "%s\n", c->help);
451 	    if((++c)->name && c->func == NULL) {
452 		int f = 0;
453 		fprintf (stderr, "Synonyms:");
454 		while (c->name && c->func == NULL) {
455 		    fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
456 		    f = 1;
457 		}
458 		fprintf (stderr, "\n");
459 	    }
460 	}
461     }
462     return 0;
463 }
464 
465 static void
466 usage(int status)
467 {
468     arg_printusage(args, num_args, NULL, "command");
469     exit(status);
470 }
471 
472 int
473 main(int argc, char **argv)
474 {
475     int optidx = 0;
476     krb5_error_code ret;
477 
478     setprogname(argv[0]);
479 
480     if(getarg(args, num_args, argc, argv, &optidx))
481 	usage(1);
482     if(help_flag)
483 	usage(0);
484     if(version_flag) {
485 	print_version(NULL);
486 	exit(0);
487     }
488     argc -= optidx;
489     argv += optidx;
490     if(argc == 0)
491 	usage(1);
492 
493     ret = krb5_init_context(&context);
494     if (ret)
495 	errx(1, "krb5_init_context failed with: %d\n", ret);
496 
497     ret = sl_command(commands, argc, argv);
498     if(ret == -1)
499 	warnx ("unrecognized command: %s", argv[0]);
500     return ret;
501 }
502