xref: /freebsd/crypto/heimdal/lib/kadm5/iprop-log.c (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
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 	krb5_ret_principal(sp, &source);
138 	krb5_unparse_name(scontext, source, &name1);
139 	printf("    %s\n", name1);
140 	free(name1);
141 	krb5_free_principal(scontext, source);
142 	break;
143     case kadm_rename:
144 	ret = krb5_data_alloc(&data, len);
145 	if (ret)
146 	    krb5_err (scontext, 1, ret, "kadm_rename: data alloc: %d", len);
147 	krb5_ret_principal(sp, &source);
148 	krb5_storage_read(sp, data.data, data.length);
149 	hdb_value2entry(scontext, &data, &ent);
150 	krb5_unparse_name(scontext, source, &name1);
151 	krb5_unparse_name(scontext, ent.principal, &name2);
152 	printf("    %s -> %s\n", name1, name2);
153 	free(name1);
154 	free(name2);
155 	krb5_free_principal(scontext, source);
156 	free_hdb_entry(&ent);
157 	break;
158     case kadm_create:
159 	ret = krb5_data_alloc(&data, len);
160 	if (ret)
161 	    krb5_err (scontext, 1, ret, "kadm_create: data alloc: %d", len);
162 	krb5_storage_read(sp, data.data, data.length);
163 	ret = hdb_value2entry(scontext, &data, &ent);
164 	if(ret)
165 	    abort();
166 	mask = ~0;
167 	goto foo;
168     case kadm_modify:
169 	ret = krb5_data_alloc(&data, len);
170 	if (ret)
171 	    krb5_err (scontext, 1, ret, "kadm_modify: data alloc: %d", len);
172 	krb5_ret_int32(sp, &mask);
173 	krb5_storage_read(sp, data.data, data.length);
174 	ret = hdb_value2entry(scontext, &data, &ent);
175 	if(ret)
176 	    abort();
177     foo:
178 	if(ent.principal /* mask & KADM5_PRINCIPAL */) {
179 	    krb5_unparse_name(scontext, ent.principal, &name1);
180 	    printf("    principal = %s\n", name1);
181 	    free(name1);
182 	}
183 	if(mask & KADM5_PRINC_EXPIRE_TIME) {
184 	    if(ent.valid_end == NULL) {
185 		strlcpy(t, "never", sizeof(t));
186 	    } else {
187 		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
188 			 localtime(ent.valid_end));
189 	    }
190 	    printf("    expires = %s\n", t);
191 	}
192 	if(mask & KADM5_PW_EXPIRATION) {
193 	    if(ent.pw_end == NULL) {
194 		strlcpy(t, "never", sizeof(t));
195 	    } else {
196 		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
197 			 localtime(ent.pw_end));
198 	    }
199 	    printf("    password exp = %s\n", t);
200 	}
201 	if(mask & KADM5_LAST_PWD_CHANGE) {
202 	}
203 	if(mask & KADM5_ATTRIBUTES) {
204 	    unparse_flags(HDBFlags2int(ent.flags),
205 			  asn1_HDBFlags_units(), t, sizeof(t));
206 	    printf("    attributes = %s\n", t);
207 	}
208 	if(mask & KADM5_MAX_LIFE) {
209 	    if(ent.max_life == NULL)
210 		strlcpy(t, "for ever", sizeof(t));
211 	    else
212 		unparse_time(*ent.max_life, t, sizeof(t));
213 	    printf("    max life = %s\n", t);
214 	}
215 	if(mask & KADM5_MAX_RLIFE) {
216 	    if(ent.max_renew == NULL)
217 		strlcpy(t, "for ever", sizeof(t));
218 	    else
219 		unparse_time(*ent.max_renew, t, sizeof(t));
220 	    printf("    max rlife = %s\n", t);
221 	}
222 	if(mask & KADM5_MOD_TIME) {
223 	    printf("    mod time\n");
224 	}
225 	if(mask & KADM5_MOD_NAME) {
226 	    printf("    mod name\n");
227 	}
228 	if(mask & KADM5_KVNO) {
229 	    printf("    kvno = %d\n", ent.kvno);
230 	}
231 	if(mask & KADM5_MKVNO) {
232 	    printf("    mkvno\n");
233 	}
234 	if(mask & KADM5_AUX_ATTRIBUTES) {
235 	    printf("    aux attributes\n");
236 	}
237 	if(mask & KADM5_POLICY) {
238 	    printf("    policy\n");
239 	}
240 	if(mask & KADM5_POLICY_CLR) {
241 	    printf("    mod time\n");
242 	}
243 	if(mask & KADM5_LAST_SUCCESS) {
244 	    printf("    last success\n");
245 	}
246 	if(mask & KADM5_LAST_FAILED) {
247 	    printf("    last failed\n");
248 	}
249 	if(mask & KADM5_FAIL_AUTH_COUNT) {
250 	    printf("    fail auth count\n");
251 	}
252 	if(mask & KADM5_KEY_DATA) {
253 	    printf("    key data\n");
254 	}
255 	if(mask & KADM5_TL_DATA) {
256 	    printf("    tl data\n");
257 	}
258 	free_hdb_entry(&ent);
259 	break;
260     case kadm_nop :
261 	break;
262     default:
263 	abort();
264     }
265     krb5_storage_seek(sp, end, SEEK_SET);
266 }
267 
268 int
269 iprop_dump(struct dump_options *opt, int argc, char **argv)
270 {
271     kadm5_server_context *server_context;
272     krb5_error_code ret;
273 
274     server_context = get_kadmin_context(opt->config_file_string,
275 					opt->realm_string);
276 
277     ret = kadm5_log_init (server_context);
278     if (ret)
279 	krb5_err (context, 1, ret, "kadm5_log_init");
280 
281     ret = kadm5_log_foreach (server_context, print_entry, NULL);
282     if(ret)
283 	krb5_warn(context, ret, "kadm5_log_foreach");
284 
285     ret = kadm5_log_end (server_context);
286     if (ret)
287 	krb5_warn(context, ret, "kadm5_log_end");
288     return 0;
289 }
290 
291 int
292 iprop_truncate(struct truncate_options *opt, int argc, char **argv)
293 {
294     kadm5_server_context *server_context;
295     krb5_error_code ret;
296 
297     server_context = get_kadmin_context(opt->config_file_string,
298 					opt->realm_string);
299 
300     ret = kadm5_log_truncate (server_context);
301     if (ret)
302 	krb5_err (context, 1, ret, "kadm5_log_truncate");
303 
304     return 0;
305 }
306 
307 int
308 last_version(struct last_version_options *opt, int argc, char **argv)
309 {
310     kadm5_server_context *server_context;
311     krb5_error_code ret;
312     uint32_t version;
313 
314     server_context = get_kadmin_context(opt->config_file_string,
315 					opt->realm_string);
316 
317     ret = kadm5_log_init (server_context);
318     if (ret)
319 	krb5_err (context, 1, ret, "kadm5_log_init");
320 
321     ret = kadm5_log_get_version (server_context, &version);
322     if (ret)
323 	krb5_err (context, 1, ret, "kadm5_log_get_version");
324 
325     ret = kadm5_log_end (server_context);
326     if (ret)
327 	krb5_warn(context, ret, "kadm5_log_end");
328 
329     printf("version: %lu\n", (unsigned long)version);
330 
331     return 0;
332 }
333 
334 /*
335  * Replay log
336  */
337 
338 int start_version = -1;
339 int end_version = -1;
340 
341 static void
342 apply_entry(kadm5_server_context *server_context,
343 	    uint32_t ver,
344 	    time_t timestamp,
345 	    enum kadm_ops op,
346 	    uint32_t len,
347 	    krb5_storage *sp,
348 	    void *ctx)
349 {
350     struct replay_options *opt = ctx;
351     krb5_error_code ret;
352 
353     if((opt->start_version_integer != -1 && ver < (uint32_t)opt->start_version_integer) ||
354        (opt->end_version_integer != -1 && ver > (uint32_t)opt->end_version_integer)) {
355 	/* XXX skip this entry */
356 	krb5_storage_seek(sp, len, SEEK_CUR);
357 	return;
358     }
359     printf ("ver %u... ", ver);
360     fflush (stdout);
361 
362     ret = kadm5_log_replay (server_context,
363 			    op, ver, len, sp);
364     if (ret)
365 	krb5_warn (server_context->context, ret, "kadm5_log_replay");
366 
367     printf ("done\n");
368 }
369 
370 int
371 iprop_replay(struct replay_options *opt, int argc, char **argv)
372 {
373     kadm5_server_context *server_context;
374     krb5_error_code ret;
375 
376     server_context = get_kadmin_context(opt->config_file_string,
377 					opt->realm_string);
378 
379     ret = server_context->db->hdb_open(context,
380 				       server_context->db,
381 				       O_RDWR | O_CREAT, 0600);
382     if (ret)
383 	krb5_err (context, 1, ret, "db->open");
384 
385     ret = kadm5_log_init (server_context);
386     if (ret)
387 	krb5_err (context, 1, ret, "kadm5_log_init");
388 
389     ret = kadm5_log_foreach (server_context, apply_entry, opt);
390     if(ret)
391 	krb5_warn(context, ret, "kadm5_log_foreach");
392     ret = kadm5_log_end (server_context);
393     if (ret)
394 	krb5_warn(context, ret, "kadm5_log_end");
395     ret = server_context->db->hdb_close (context, server_context->db);
396     if (ret)
397 	krb5_err (context, 1, ret, "db->close");
398 
399     return 0;
400 }
401 
402 static int help_flag;
403 static int version_flag;
404 
405 static struct getargs args[] = {
406     { "version", 	0,	arg_flag, 	&version_flag,
407       NULL,		NULL
408     },
409     { "help", 	'h', 	arg_flag, 	&help_flag,
410       NULL, NULL
411     }
412 };
413 
414 static int num_args = sizeof(args) / sizeof(args[0]);
415 
416 int
417 help(void *opt, int argc, char **argv)
418 {
419     if(argc == 0) {
420 	sl_help(commands, 1, argv - 1 /* XXX */);
421     } else {
422 	SL_cmd *c = sl_match (commands, argv[0], 0);
423  	if(c == NULL) {
424 	    fprintf (stderr, "No such command: %s. "
425 		     "Try \"help\" for a list of commands\n",
426 		     argv[0]);
427 	} else {
428 	    if(c->func) {
429 		static char shelp[] = "--help";
430 		char *fake[3];
431 		fake[0] = argv[0];
432 		fake[1] = shelp;
433 		fake[2] = NULL;
434 		(*c->func)(2, fake);
435 		fprintf(stderr, "\n");
436 	    }
437 	    if(c->help && *c->help)
438 		fprintf (stderr, "%s\n", c->help);
439 	    if((++c)->name && c->func == NULL) {
440 		int f = 0;
441 		fprintf (stderr, "Synonyms:");
442 		while (c->name && c->func == NULL) {
443 		    fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
444 		    f = 1;
445 		}
446 		fprintf (stderr, "\n");
447 	    }
448 	}
449     }
450     return 0;
451 }
452 
453 static void
454 usage(int status)
455 {
456     arg_printusage(args, num_args, NULL, "command");
457     exit(status);
458 }
459 
460 int
461 main(int argc, char **argv)
462 {
463     int optidx = 0;
464     krb5_error_code ret;
465 
466     setprogname(argv[0]);
467 
468     if(getarg(args, num_args, argc, argv, &optidx))
469 	usage(1);
470     if(help_flag)
471 	usage(0);
472     if(version_flag) {
473 	print_version(NULL);
474 	exit(0);
475     }
476     argc -= optidx;
477     argv += optidx;
478     if(argc == 0)
479 	usage(1);
480 
481     ret = krb5_init_context(&context);
482     if (ret)
483 	errx(1, "krb5_init_context failed with: %d\n", ret);
484 
485     ret = sl_command(commands, argc, argv);
486     if(ret == -1)
487 	warnx ("unrecognized command: %s", argv[0]);
488     return ret;
489 }
490