xref: /freebsd/crypto/heimdal/lib/krb5/test_cc.c (revision 9a14aa017b21c292740c00ee098195cd46642730)
1 /*
2  * Copyright (c) 2003 - 2007 Kungliga Tekniska H�gskolan
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 KTH nor the names of its contributors may be
18  *    used to endorse or promote products derived from this software without
19  *    specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
32 
33 #include "krb5_locl.h"
34 #include <getarg.h>
35 #include <err.h>
36 
37 RCSID("$Id: test_cc.c 22115 2007-12-03 21:21:42Z lha $");
38 
39 static int debug_flag	= 0;
40 static int version_flag = 0;
41 static int help_flag	= 0;
42 
43 static void
44 test_default_name(krb5_context context)
45 {
46     krb5_error_code ret;
47     const char *p, *test_cc_name = "/tmp/krb5-cc-test-foo";
48     char *p1, *p2, *p3;
49 
50     p = krb5_cc_default_name(context);
51     if (p == NULL)
52 	krb5_errx (context, 1, "krb5_cc_default_name 1 failed");
53     p1 = estrdup(p);
54 
55     ret = krb5_cc_set_default_name(context, NULL);
56     if (p == NULL)
57 	krb5_errx (context, 1, "krb5_cc_set_default_name failed");
58 
59     p = krb5_cc_default_name(context);
60     if (p == NULL)
61 	krb5_errx (context, 1, "krb5_cc_default_name 2 failed");
62     p2 = estrdup(p);
63 
64     if (strcmp(p1, p2) != 0)
65 	krb5_errx (context, 1, "krb5_cc_default_name no longer same");
66 
67     ret = krb5_cc_set_default_name(context, test_cc_name);
68     if (p == NULL)
69 	krb5_errx (context, 1, "krb5_cc_set_default_name 1 failed");
70 
71     p = krb5_cc_default_name(context);
72     if (p == NULL)
73 	krb5_errx (context, 1, "krb5_cc_default_name 2 failed");
74     p3 = estrdup(p);
75 
76     if (strcmp(p3, test_cc_name) != 0)
77 	krb5_errx (context, 1, "krb5_cc_set_default_name 1 failed");
78 
79     free(p1);
80     free(p2);
81     free(p3);
82 }
83 
84 /*
85  * Check that a closed cc still keeps it data and that it's no longer
86  * there when it's destroyed.
87  */
88 
89 static void
90 test_mcache(krb5_context context)
91 {
92     krb5_error_code ret;
93     krb5_ccache id, id2;
94     const char *nc, *tc;
95     char *c;
96     krb5_principal p, p2;
97 
98     ret = krb5_parse_name(context, "lha@SU.SE", &p);
99     if (ret)
100 	krb5_err(context, 1, ret, "krb5_parse_name");
101 
102     ret = krb5_cc_gen_new(context, &krb5_mcc_ops, &id);
103     if (ret)
104 	krb5_err(context, 1, ret, "krb5_cc_gen_new");
105 
106     ret = krb5_cc_initialize(context, id, p);
107     if (ret)
108 	krb5_err(context, 1, ret, "krb5_cc_initialize");
109 
110     nc = krb5_cc_get_name(context, id);
111     if (nc == NULL)
112 	krb5_errx(context, 1, "krb5_cc_get_name");
113 
114     tc = krb5_cc_get_type(context, id);
115     if (tc == NULL)
116 	krb5_errx(context, 1, "krb5_cc_get_name");
117 
118     asprintf(&c, "%s:%s", tc, nc);
119 
120     krb5_cc_close(context, id);
121 
122     ret = krb5_cc_resolve(context, c, &id2);
123     if (ret)
124 	krb5_err(context, 1, ret, "krb5_cc_resolve");
125 
126     ret = krb5_cc_get_principal(context, id2, &p2);
127     if (ret)
128 	krb5_err(context, 1, ret, "krb5_cc_get_principal");
129 
130     if (krb5_principal_compare(context, p, p2) == FALSE)
131 	krb5_errx(context, 1, "p != p2");
132 
133     krb5_cc_destroy(context, id2);
134     krb5_free_principal(context, p);
135     krb5_free_principal(context, p2);
136 
137     ret = krb5_cc_resolve(context, c, &id2);
138     if (ret)
139 	krb5_err(context, 1, ret, "krb5_cc_resolve");
140 
141     ret = krb5_cc_get_principal(context, id2, &p2);
142     if (ret == 0)
143 	krb5_errx(context, 1, "krb5_cc_get_principal");
144 
145     krb5_cc_destroy(context, id2);
146     free(c);
147 }
148 
149 /*
150  * Test that init works on a destroyed cc.
151  */
152 
153 static void
154 test_init_vs_destroy(krb5_context context, const krb5_cc_ops *ops)
155 {
156     krb5_error_code ret;
157     krb5_ccache id, id2;
158     krb5_principal p, p2;
159     char *n;
160 
161     ret = krb5_parse_name(context, "lha@SU.SE", &p);
162     if (ret)
163 	krb5_err(context, 1, ret, "krb5_parse_name");
164 
165     ret = krb5_cc_gen_new(context, ops, &id);
166     if (ret)
167 	krb5_err(context, 1, ret, "krb5_cc_gen_new");
168 
169     asprintf(&n, "%s:%s",
170 	     krb5_cc_get_type(context, id),
171 	     krb5_cc_get_name(context, id));
172 
173     ret = krb5_cc_resolve(context, n, &id2);
174     free(n);
175     if (ret)
176 	krb5_err(context, 1, ret, "krb5_cc_resolve");
177 
178     krb5_cc_destroy(context, id);
179 
180     ret = krb5_cc_initialize(context, id2, p);
181     if (ret)
182 	krb5_err(context, 1, ret, "krb5_cc_initialize");
183 
184     ret = krb5_cc_get_principal(context, id2, &p2);
185     if (ret)
186 	krb5_err(context, 1, ret, "krb5_cc_get_principal");
187 
188     krb5_cc_destroy(context, id2);
189     krb5_free_principal(context, p);
190     krb5_free_principal(context, p2);
191 }
192 
193 static void
194 test_fcache_remove(krb5_context context)
195 {
196     krb5_error_code ret;
197     krb5_ccache id;
198     krb5_principal p;
199     krb5_creds cred;
200 
201     ret = krb5_parse_name(context, "lha@SU.SE", &p);
202     if (ret)
203 	krb5_err(context, 1, ret, "krb5_parse_name");
204 
205     ret = krb5_cc_gen_new(context, &krb5_fcc_ops, &id);
206     if (ret)
207 	krb5_err(context, 1, ret, "krb5_cc_gen_new");
208 
209     ret = krb5_cc_initialize(context, id, p);
210     if (ret)
211 	krb5_err(context, 1, ret, "krb5_cc_initialize");
212 
213     /* */
214     memset(&cred, 0, sizeof(cred));
215     ret = krb5_parse_name(context, "krbtgt/SU.SE@SU.SE", &cred.server);
216     if (ret)
217 	krb5_err(context, 1, ret, "krb5_parse_name");
218     ret = krb5_parse_name(context, "lha@SU.SE", &cred.client);
219     if (ret)
220 	krb5_err(context, 1, ret, "krb5_parse_name");
221 
222     ret = krb5_cc_store_cred(context, id, &cred);
223     if (ret)
224 	krb5_err(context, 1, ret, "krb5_cc_store_cred");
225 
226     ret = krb5_cc_remove_cred(context, id, 0, &cred);
227     if (ret)
228 	krb5_err(context, 1, ret, "krb5_cc_remove_cred");
229 
230     ret = krb5_cc_destroy(context, id);
231     if (ret)
232 	krb5_err(context, 1, ret, "krb5_cc_destroy");
233 
234     krb5_free_principal(context, p);
235     krb5_free_principal(context, cred.server);
236     krb5_free_principal(context, cred.client);
237 }
238 
239 static void
240 test_mcc_default(void)
241 {
242     krb5_context context;
243     krb5_error_code ret;
244     krb5_ccache id, id2;
245     int i;
246 
247     for (i = 0; i < 10; i++) {
248 
249 	ret = krb5_init_context(&context);
250 	if (ret)
251 	    krb5_err(context, 1, ret, "krb5_init_context");
252 
253 	ret = krb5_cc_set_default_name(context, "MEMORY:foo");
254 	if (ret)
255 	    krb5_err(context, 1, ret, "krb5_cc_set_default_name");
256 
257 	ret = krb5_cc_default(context, &id);
258 	if (ret)
259 	    krb5_err(context, 1, ret, "krb5_cc_default");
260 
261 	ret = krb5_cc_default(context, &id2);
262 	if (ret)
263 	    krb5_err(context, 1, ret, "krb5_cc_default");
264 
265 	ret = krb5_cc_close(context, id);
266 	if (ret)
267 	    krb5_err(context, 1, ret, "krb5_cc_close");
268 
269 	ret = krb5_cc_close(context, id2);
270 	if (ret)
271 	    krb5_err(context, 1, ret, "krb5_cc_close");
272 
273 	krb5_free_context(context);
274     }
275 }
276 
277 struct {
278     char *str;
279     int fail;
280     char *res;
281 } cc_names[] = {
282     { "foo", 0, "foo" },
283     { "%{uid}", 0 },
284     { "foo%{null}", 0, "foo" },
285     { "foo%{null}bar", 0, "foobar" },
286     { "%{", 1 },
287     { "%{foo %{", 1 },
288     { "%{{", 1 },
289 };
290 
291 static void
292 test_def_cc_name(krb5_context context)
293 {
294     krb5_error_code ret;
295     char *str;
296     int i;
297 
298     for (i = 0; i < sizeof(cc_names)/sizeof(cc_names[0]); i++) {
299 	ret = _krb5_expand_default_cc_name(context, cc_names[i].str, &str);
300 	if (ret) {
301 	    if (cc_names[i].fail == 0)
302 		krb5_errx(context, 1, "test %d \"%s\" failed",
303 			  i, cc_names[i].str);
304 	} else {
305 	    if (cc_names[i].fail)
306 		krb5_errx(context, 1, "test %d \"%s\" was successful",
307 			  i, cc_names[i].str);
308 	    if (cc_names[i].res && strcmp(cc_names[i].res, str) != 0)
309 		krb5_errx(context, 1, "test %d %s != %s",
310 			  i, cc_names[i].res, str);
311 	    if (debug_flag)
312 		printf("%s => %s\n", cc_names[i].str, str);
313 	    free(str);
314 	}
315     }
316 }
317 
318 static void
319 test_cache_find(krb5_context context, const char *type, const char *principal,
320 		int find)
321 {
322     krb5_principal client;
323     krb5_error_code ret;
324     krb5_ccache id = NULL;
325 
326     ret = krb5_parse_name(context, principal, &client);
327     if (ret)
328 	krb5_err(context, 1, ret, "parse_name for %s failed", principal);
329 
330     ret = krb5_cc_cache_match(context, client, type, &id);
331     if (ret && find)
332 	krb5_err(context, 1, ret, "cc_cache_match for %s failed", principal);
333     if (ret == 0 && !find)
334 	krb5_err(context, 1, ret, "cc_cache_match for %s found", principal);
335 
336     if (id)
337 	krb5_cc_close(context, id);
338     krb5_free_principal(context, client);
339 }
340 
341 
342 static void
343 test_cache_iter(krb5_context context, const char *type, int destroy)
344 {
345     krb5_cc_cache_cursor cursor;
346     krb5_error_code ret;
347     krb5_ccache id;
348 
349     ret = krb5_cc_cache_get_first (context, type, &cursor);
350     if (ret == KRB5_CC_NOSUPP)
351 	return;
352     else if (ret)
353 	krb5_err(context, 1, ret, "krb5_cc_cache_get_first(%s)", type);
354 
355 
356     while ((ret = krb5_cc_cache_next (context, cursor, &id)) == 0) {
357 	krb5_principal principal;
358 	char *name;
359 
360 	if (debug_flag)
361 	    printf("name: %s\n", krb5_cc_get_name(context, id));
362 	ret = krb5_cc_get_principal(context, id, &principal);
363 	if (ret == 0) {
364 	    ret = krb5_unparse_name(context, principal, &name);
365 	    if (ret == 0) {
366 		if (debug_flag)
367 		    printf("\tprincipal: %s\n", name);
368 		free(name);
369 	    }
370 	    krb5_free_principal(context, principal);
371 	}
372 	if (destroy)
373 	    krb5_cc_destroy(context, id);
374 	else
375 	    krb5_cc_close(context, id);
376     }
377 
378     krb5_cc_cache_end_seq_get(context, cursor);
379 }
380 
381 static void
382 test_copy(krb5_context context, const char *fromtype, const char *totype)
383 {
384     const krb5_cc_ops *from, *to;
385     krb5_ccache fromid, toid;
386     krb5_error_code ret;
387     krb5_principal p, p2;
388 
389     from = krb5_cc_get_prefix_ops(context, fromtype);
390     if (from == NULL)
391 	krb5_errx(context, 1, "%s isn't a type", fromtype);
392 
393     to = krb5_cc_get_prefix_ops(context, totype);
394     if (to == NULL)
395 	krb5_errx(context, 1, "%s isn't a type", totype);
396 
397     ret = krb5_parse_name(context, "lha@SU.SE", &p);
398     if (ret)
399 	krb5_err(context, 1, ret, "krb5_parse_name");
400 
401     ret = krb5_cc_gen_new(context, from, &fromid);
402     if (ret)
403 	krb5_err(context, 1, ret, "krb5_cc_gen_new");
404 
405     ret = krb5_cc_initialize(context, fromid, p);
406     if (ret)
407 	krb5_err(context, 1, ret, "krb5_cc_initialize");
408 
409     ret = krb5_cc_gen_new(context, to, &toid);
410     if (ret)
411 	krb5_err(context, 1, ret, "krb5_cc_gen_new");
412 
413     ret = krb5_cc_copy_cache(context, fromid, toid);
414     if (ret)
415 	krb5_err(context, 1, ret, "krb5_cc_copy_cache");
416 
417     ret = krb5_cc_get_principal(context, toid, &p2);
418     if (ret)
419 	krb5_err(context, 1, ret, "krb5_cc_get_principal");
420 
421     if (krb5_principal_compare(context, p, p2) == FALSE)
422 	krb5_errx(context, 1, "p != p2");
423 
424     krb5_free_principal(context, p);
425     krb5_free_principal(context, p2);
426 
427     krb5_cc_destroy(context, fromid);
428     krb5_cc_destroy(context, toid);
429 }
430 
431 static void
432 test_prefix_ops(krb5_context context, const char *name, const krb5_cc_ops *ops)
433 {
434     const krb5_cc_ops *o;
435 
436     o = krb5_cc_get_prefix_ops(context, name);
437     if (o == NULL)
438 	krb5_errx(context, 1, "found no match for prefix '%s'", name);
439     if (strcmp(o->prefix, ops->prefix) != 0)
440 	krb5_errx(context, 1, "ops for prefix '%s' is not "
441 		  "the expected %s != %s", name, o->prefix, ops->prefix);
442 }
443 
444 
445 static struct getargs args[] = {
446     {"debug",	'd',	arg_flag,	&debug_flag,
447      "turn on debuggin", NULL },
448     {"version",	0,	arg_flag,	&version_flag,
449      "print version", NULL },
450     {"help",	0,	arg_flag,	&help_flag,
451      NULL, NULL }
452 };
453 
454 static void
455 usage (int ret)
456 {
457     arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "hostname ...");
458     exit (ret);
459 }
460 
461 int
462 main(int argc, char **argv)
463 {
464     krb5_context context;
465     krb5_error_code ret;
466     int optidx = 0;
467     krb5_ccache id1, id2;
468 
469     setprogname(argv[0]);
470 
471     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
472 	usage(1);
473 
474     if (help_flag)
475 	usage (0);
476 
477     if(version_flag){
478 	print_version(NULL);
479 	exit(0);
480     }
481 
482     argc -= optidx;
483     argv += optidx;
484 
485     ret = krb5_init_context(&context);
486     if (ret)
487 	errx (1, "krb5_init_context failed: %d", ret);
488 
489     test_fcache_remove(context);
490     test_default_name(context);
491     test_mcache(context);
492     test_init_vs_destroy(context, &krb5_mcc_ops);
493     test_init_vs_destroy(context, &krb5_fcc_ops);
494     test_mcc_default();
495     test_def_cc_name(context);
496     test_cache_iter(context, "MEMORY", 0);
497     {
498 	krb5_principal p;
499 	krb5_cc_new_unique(context, "MEMORY", "bar", &id1);
500 	krb5_cc_new_unique(context, "MEMORY", "baz", &id2);
501 	krb5_parse_name(context, "lha@SU.SE", &p);
502 	krb5_cc_initialize(context, id1, p);
503 	krb5_free_principal(context, p);
504     }
505 
506     test_cache_find(context, "MEMORY", "lha@SU.SE", 1);
507     test_cache_find(context, "MEMORY", "hulabundulahotentot@SU.SE", 0);
508 
509     test_cache_iter(context, "MEMORY", 0);
510     test_cache_iter(context, "MEMORY", 1);
511     test_cache_iter(context, "MEMORY", 0);
512     test_cache_iter(context, "FILE", 0);
513     test_cache_iter(context, "API", 0);
514 
515     test_copy(context, "FILE", "FILE");
516     test_copy(context, "MEMORY", "MEMORY");
517     test_copy(context, "FILE", "MEMORY");
518     test_copy(context, "MEMORY", "FILE");
519 
520     test_prefix_ops(context, "FILE:/tmp/foo", &krb5_fcc_ops);
521     test_prefix_ops(context, "FILE", &krb5_fcc_ops);
522     test_prefix_ops(context, "MEMORY", &krb5_mcc_ops);
523     test_prefix_ops(context, "MEMORY:foo", &krb5_mcc_ops);
524     test_prefix_ops(context, "/tmp/kaka", &krb5_fcc_ops);
525 
526     krb5_cc_destroy(context, id1);
527     krb5_cc_destroy(context, id2);
528 
529     krb5_free_context(context);
530 
531     return 0;
532 }
533