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/* Copyright (c) 2010-2013, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#include "or.h"
#include "config.h"
#include "microdesc.h"
#include "test.h"
#ifdef _WIN32
/* For mkdir() */
#include <direct.h>
#else
#include <dirent.h>
#endif
static const char test_md1[] =
"onion-key\n"
"-----BEGIN RSA PUBLIC KEY-----\n"
"MIGJAoGBAMjlHH/daN43cSVRaHBwgUfnszzAhg98EvivJ9Qxfv51mvQUxPjQ07es\n"
"gV/3n8fyh3Kqr/ehi9jxkdgSRfSnmF7giaHL1SLZ29kA7KtST+pBvmTpDtHa3ykX\n"
"Xorc7hJvIyTZoc1HU+5XSynj3gsBE5IGK1ZRzrNS688LnuZMVp1tAgMBAAE=\n"
"-----END RSA PUBLIC KEY-----\n";
static const char test_md2[] =
"onion-key\n"
"-----BEGIN RSA PUBLIC KEY-----\n"
"MIGJAoGBAMIixIowh2DyPmDNMDwBX2DHcYcqdcH1zdIQJZkyV6c6rQHnvbcaDoSg\n"
"jgFSLJKpnGmh71FVRqep+yVB0zI1JY43kuEnXry2HbZCD9UDo3d3n7t015X5S7ON\n"
"bSSYtQGPwOr6Epf96IF6DoQxy4iDnPUAlejuhAG51s1y6/rZQ3zxAgMBAAE=\n"
"-----END RSA PUBLIC KEY-----\n";
static const char test_md3[] =
"@last-listed 2009-06-22\n"
"onion-key\n"
"-----BEGIN RSA PUBLIC KEY-----\n"
"MIGJAoGBAMH3340d4ENNGrqx7UxT+lB7x6DNUKOdPEOn4teceE11xlMyZ9TPv41c\n"
"qj2fRZzfxlc88G/tmiaHshmdtEpklZ740OFqaaJVj4LjPMKFNE+J7Xc1142BE9Ci\n"
"KgsbjGYe2RY261aADRWLetJ8T9QDMm+JngL4288hc8pq1uB/3TAbAgMBAAE=\n"
"-----END RSA PUBLIC KEY-----\n"
"p accept 1-700,800-1000\n"
"family nodeX nodeY nodeZ\n";
static void
test_md_cache(void *data)
{
or_options_t *options = NULL;
microdesc_cache_t *mc = NULL ;
smartlist_t *added = NULL, *wanted = NULL;
microdesc_t *md1, *md2, *md3;
char d1[DIGEST256_LEN], d2[DIGEST256_LEN], d3[DIGEST256_LEN];
const char *test_md3_noannotation = strchr(test_md3, '\n')+1;
time_t time1, time2, time3;
char *fn = NULL, *s = NULL;
(void)data;
options = get_options_mutable();
tt_assert(options);
time1 = time(NULL);
time2 = time(NULL) - 2*24*60*60;
time3 = time(NULL) - 15*24*60*60;
/* Possibly, turn this into a test setup/cleanup pair */
tor_free(options->DataDirectory);
options->DataDirectory = tor_strdup(get_fname("md_datadir_test"));
#ifdef _WIN32
tt_int_op(0, ==, mkdir(options->DataDirectory));
#else
tt_int_op(0, ==, mkdir(options->DataDirectory, 0700));
#endif
tt_assert(!strcmpstart(test_md3_noannotation, "onion-key"));
crypto_digest256(d1, test_md1, strlen(test_md1), DIGEST_SHA256);
crypto_digest256(d2, test_md2, strlen(test_md1), DIGEST_SHA256);
crypto_digest256(d3, test_md3_noannotation, strlen(test_md3_noannotation),
DIGEST_SHA256);
mc = get_microdesc_cache();
added = microdescs_add_to_cache(mc, test_md1, NULL, SAVED_NOWHERE, 0,
time1, NULL);
tt_int_op(1, ==, smartlist_len(added));
md1 = smartlist_get(added, 0);
smartlist_free(added);
added = NULL;
wanted = smartlist_new();
added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
time2, wanted);
/* Should fail, since we didn't list test_md2's digest in wanted */
tt_int_op(0, ==, smartlist_len(added));
smartlist_free(added);
added = NULL;
smartlist_add(wanted, tor_memdup(d2, DIGEST256_LEN));
smartlist_add(wanted, tor_memdup(d3, DIGEST256_LEN));
added = microdescs_add_to_cache(mc, test_md2, NULL, SAVED_NOWHERE, 0,
time2, wanted);
/* Now it can work. md2 should have been added */
tt_int_op(1, ==, smartlist_len(added));
md2 = smartlist_get(added, 0);
/* And it should have gotten removed from 'wanted' */
tt_int_op(smartlist_len(wanted), ==, 1);
test_mem_op(smartlist_get(wanted, 0), ==, d3, DIGEST256_LEN);
smartlist_free(added);
added = NULL;
added = microdescs_add_to_cache(mc, test_md3, NULL,
SAVED_NOWHERE, 0, -1, NULL);
/* Must fail, since SAVED_NOWHERE precludes annotations */
tt_int_op(0, ==, smartlist_len(added));
smartlist_free(added);
added = NULL;
added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
SAVED_NOWHERE, 0, time3, NULL);
/* Now it can work */
tt_int_op(1, ==, smartlist_len(added));
md3 = smartlist_get(added, 0);
smartlist_free(added);
added = NULL;
/* Okay. We added 1...3. Let's poke them to see how they look, and make
* sure they're really in the journal. */
tt_ptr_op(md1, ==, microdesc_cache_lookup_by_digest256(mc, d1));
tt_ptr_op(md2, ==, microdesc_cache_lookup_by_digest256(mc, d2));
tt_ptr_op(md3, ==, microdesc_cache_lookup_by_digest256(mc, d3));
tt_int_op(md1->last_listed, ==, time1);
tt_int_op(md2->last_listed, ==, time2);
tt_int_op(md3->last_listed, ==, time3);
tt_int_op(md1->saved_location, ==, SAVED_IN_JOURNAL);
tt_int_op(md2->saved_location, ==, SAVED_IN_JOURNAL);
tt_int_op(md3->saved_location, ==, SAVED_IN_JOURNAL);
tt_int_op(md1->bodylen, ==, strlen(test_md1));
tt_int_op(md2->bodylen, ==, strlen(test_md2));
tt_int_op(md3->bodylen, ==, strlen(test_md3_noannotation));
test_mem_op(md1->body, ==, test_md1, strlen(test_md1));
test_mem_op(md2->body, ==, test_md2, strlen(test_md2));
test_mem_op(md3->body, ==, test_md3_noannotation,
strlen(test_md3_noannotation));
tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs.new",
options->DataDirectory);
s = read_file_to_str(fn, RFTS_BIN, NULL);
tt_assert(s);
test_mem_op(md1->body, ==, s + md1->off, md1->bodylen);
test_mem_op(md2->body, ==, s + md2->off, md2->bodylen);
test_mem_op(md3->body, ==, s + md3->off, md3->bodylen);
tt_ptr_op(md1->family, ==, NULL);
tt_ptr_op(md3->family, !=, NULL);
tt_int_op(smartlist_len(md3->family), ==, 3);
tt_str_op(smartlist_get(md3->family, 0), ==, "nodeX");
/* Now rebuild the cache! */
tt_int_op(microdesc_cache_rebuild(mc, 1), ==, 0);
tt_int_op(md1->saved_location, ==, SAVED_IN_CACHE);
tt_int_op(md2->saved_location, ==, SAVED_IN_CACHE);
tt_int_op(md3->saved_location, ==, SAVED_IN_CACHE);
/* The journal should be empty now */
tor_free(s);
s = read_file_to_str(fn, RFTS_BIN, NULL);
tt_str_op(s, ==, "");
tor_free(s);
tor_free(fn);
/* read the cache. */
tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
options->DataDirectory);
s = read_file_to_str(fn, RFTS_BIN, NULL);
test_mem_op(md1->body, ==, s + md1->off, strlen(test_md1));
test_mem_op(md2->body, ==, s + md2->off, strlen(test_md2));
test_mem_op(md3->body, ==, s + md3->off, strlen(test_md3_noannotation));
/* Okay, now we are going to forget about the cache entirely, and reload it
* from the disk. */
microdesc_free_all();
mc = get_microdesc_cache();
md1 = microdesc_cache_lookup_by_digest256(mc, d1);
md2 = microdesc_cache_lookup_by_digest256(mc, d2);
md3 = microdesc_cache_lookup_by_digest256(mc, d3);
test_assert(md1);
test_assert(md2);
test_assert(md3);
test_mem_op(md1->body, ==, s + md1->off, strlen(test_md1));
test_mem_op(md2->body, ==, s + md2->off, strlen(test_md2));
test_mem_op(md3->body, ==, s + md3->off, strlen(test_md3_noannotation));
tt_int_op(md1->last_listed, ==, time1);
tt_int_op(md2->last_listed, ==, time2);
tt_int_op(md3->last_listed, ==, time3);
/* Okay, now we are going to clear out everything older than a week old.
* In practice, that means md3 */
microdesc_cache_clean(mc, time(NULL)-7*24*60*60, 1/*force*/);
tt_ptr_op(md1, ==, microdesc_cache_lookup_by_digest256(mc, d1));
tt_ptr_op(md2, ==, microdesc_cache_lookup_by_digest256(mc, d2));
tt_ptr_op(NULL, ==, microdesc_cache_lookup_by_digest256(mc, d3));
md3 = NULL; /* it's history now! */
/* rebuild again, make sure it stays gone. */
tt_int_op(microdesc_cache_rebuild(mc, 1), ==, 0);
tt_ptr_op(md1, ==, microdesc_cache_lookup_by_digest256(mc, d1));
tt_ptr_op(md2, ==, microdesc_cache_lookup_by_digest256(mc, d2));
tt_ptr_op(NULL, ==, microdesc_cache_lookup_by_digest256(mc, d3));
/* Re-add md3, and make sure we can rebuild the cache. */
added = microdescs_add_to_cache(mc, test_md3_noannotation, NULL,
SAVED_NOWHERE, 0, time3, NULL);
tt_int_op(1, ==, smartlist_len(added));
md3 = smartlist_get(added, 0);
smartlist_free(added);
added = NULL;
tt_int_op(md1->saved_location, ==, SAVED_IN_CACHE);
tt_int_op(md2->saved_location, ==, SAVED_IN_CACHE);
tt_int_op(md3->saved_location, ==, SAVED_IN_JOURNAL);
tt_int_op(microdesc_cache_rebuild(mc, 1), ==, 0);
tt_int_op(md3->saved_location, ==, SAVED_IN_CACHE);
done:
if (options)
tor_free(options->DataDirectory);
microdesc_free_all();
smartlist_free(added);
if (wanted)
SMARTLIST_FOREACH(wanted, char *, cp, tor_free(cp));
smartlist_free(wanted);
tor_free(s);
tor_free(fn);
}
static const char truncated_md[] =
"@last-listed 2013-08-08 19:02:59\n"
"onion-key\n"
"-----BEGIN RSA PUBLIC KEY-----\n"
"MIGJAoGBAM91vLFNaM+gGhnRIdz2Cm/Kl7Xz0cOobIdVzhS3cKUJfk867hCuTipS\n"
"NveLBzNopvgXKruAAzEj3cACxk6Q8lv5UWOGCD1UolkgsWSE62RBjap44g+oc9J1\n"
"RI9968xOTZw0VaBQg9giEILNXl0djoikQ+5tQRUvLDDa67gpa5Q1AgMBAAE=\n"
"-----END RSA PUBLIC KEY-----\n"
"family @\n";
static void
test_md_cache_broken(void *data)
{
or_options_t *options;
char *fn=NULL;
microdesc_cache_t *mc = NULL;
(void)data;
options = get_options_mutable();
tt_assert(options);
options->DataDirectory = tor_strdup(get_fname("md_datadir_test2"));
#ifdef _WIN32
tt_int_op(0, ==, mkdir(options->DataDirectory));
#else
tt_int_op(0, ==, mkdir(options->DataDirectory, 0700));
#endif
tor_asprintf(&fn, "%s"PATH_SEPARATOR"cached-microdescs",
options->DataDirectory);
write_str_to_file(fn, truncated_md, 1);
mc = get_microdesc_cache();
tt_assert(mc);
done:
if (options)
tor_free(options->DataDirectory);
tor_free(fn);
microdesc_free_all();
}
struct testcase_t microdesc_tests[] = {
{ "cache", test_md_cache, TT_FORK, NULL, NULL },
{ "broken_cache", test_md_cache_broken, TT_FORK, NULL, NULL },
END_OF_TESTCASES
};
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