/** Decode the microdescriptors from the string starting at <b>s</b> and
* ending at <b>eos</b>, and store them in <b>cache</b>. If <b>no_save</b>,
* mark them as non-writable to disk. If <b>where</b> is SAVED_IN_CACHE,
* leave their bodies as pointers to the mmap'd cache. If where is
* <b>SAVED_NOWHERE</b>, do not allow annotations. If listed_at is not -1,
* set the last_listed field of every microdesc to listed_at. If
* requested_digests is non-null, then it contains a list of digests we mean
* to allow, so we should reject any non-requested microdesc with a different
* digest, and alter the list to contain only the digests of those microdescs
* we didn't find.
* Return a newly allocated list of the added microdescriptors, or NULL */
smartlist_t *
microdescs_add_to_cache(microdesc_cache_t *cache,
const char *s, const char *eos, saved_location_t where,
int no_save, time_t listed_at,
smartlist_t *requested_digests256)
{
smartlist_t *descriptors, *added;
const int allow_annotations = (where != SAVED_NOWHERE);
descriptors = microdescs_parse_from_string(s, eos,
allow_annotations,
where);
if (listed_at != (time_t)-1) {
SMARTLIST_FOREACH(descriptors, microdesc_t *, md,
md->last_listed = listed_at);
}
/** Decode the microdescriptors from the string starting at <b>s</b> and
* ending at <b>eos</b>, and store them in <b>cache</b>. If <b>no_save</b>,
* mark them as non-writable to disk. If <b>where</b> is SAVED_IN_CACHE,
* leave their bodies as pointers to the mmap'd cache. If where is
* <b>SAVED_NOWHERE</b>, do not allow annotations. If listed_at is not -1,
* set the last_listed field of every microdesc to listed_at. If
* requested_digests is non-null, then it contains a list of digests we mean
* to allow, so we should reject any non-requested microdesc with a different
* digest, and alter the list to contain only the digests of those microdescs
* we didn't find.
* Return a newly allocated list of the added microdescriptors, or NULL */
smartlist_t *
microdescs_add_to_cache(microdesc_cache_t *cache,
const char *s, const char *eos, saved_location_t where,
int no_save, time_t listed_at,
smartlist_t *requested_digests256)
{
void * const DIGEST_REQUESTED = (void*)1;
void * const DIGEST_RECEIVED = (void*)2;
void * const DIGEST_INVALID = (void*)3;
smartlist_t *descriptors, *added;
const int allow_annotations = (where != SAVED_NOWHERE);
smartlist_t *invalid_digests = smartlist_new();
descriptors = microdescs_parse_from_string(s, eos,
allow_annotations,
where, invalid_digests);
if (listed_at != (time_t)-1) {
SMARTLIST_FOREACH(descriptors, microdesc_t *, md,
md->last_listed = listed_at);
}
/** More tests for parsing different kinds of microdescriptors, and getting
* invalid digests trackd from them. */
static void
test_md_parse(void *arg)
{
(void) arg;
char *mem_op_hex_tmp = NULL;
smartlist_t *invalid = smartlist_new();
smartlist_t *mds = microdescs_parse_from_string(MD_PARSE_TEST_DATA,
NULL, 1, SAVED_NOWHERE,
invalid);
tt_int_op(smartlist_len(mds), OP_EQ, 11);
tt_int_op(smartlist_len(invalid), OP_EQ, 4);
test_memeq_hex(smartlist_get(invalid,0),
"5d76bf1c6614e885614a1e0ad074e1ab"
"4ea14655ebeefb1736a71b5ed8a15a51");
test_memeq_hex(smartlist_get(invalid,1),
"2fde0ee3343669c2444cd9d53cbd39c6"
"a7d1fc0513513e840ca7f6e68864b36c");
test_memeq_hex(smartlist_get(invalid,2),
"20d1576c5ab11bbcff0dedb1db4a3cfc"
"c8bc8dd839d8cbfef92d00a1a7d7b294");
test_memeq_hex(smartlist_get(invalid,3),
"074770f394c73dbde7b44412e9692add"
"691a478d4727f9804b77646c95420a96");
/* Spot-check the valid ones. */
const microdesc_t *md = smartlist_get(mds, 5);
test_memeq_hex(md->digest,
"54bb6d733ddeb375d2456c79ae103961"
"da0cae29620375ac4cf13d54da4d92b3");
tt_int_op(md->last_listed, OP_EQ, 0);
tt_int_op(md->saved_location, OP_EQ, SAVED_NOWHERE);
tt_int_op(md->no_save, OP_EQ, 0);
tt_uint_op(md->held_in_map, OP_EQ, 0);
tt_uint_op(md->held_by_nodes, OP_EQ, 0);
tt_assert(md->onion_curve25519_pkey);
md = smartlist_get(mds, 6);
test_memeq_hex(md->digest,
"53f740bd222ab37f19f604b1d3759aa6"
"5eff1fbce9ac254bd0fa50d4af9b1bae");
tt_assert(! md->exit_policy);
md = smartlist_get(mds, 8);
test_memeq_hex(md->digest,
"a0a155562d8093d8fd0feb7b93b7226e"
"17f056c2142aab7a4ea8c5867a0376d5");
tt_assert(md->onion_curve25519_pkey);
md = smartlist_get(mds, 10);
test_memeq_hex(md->digest,
"409ebd87d23925a2732bd467a92813c9"
"21ca378fcb9ca193d354c51550b6d5e9");
tt_assert(tor_addr_family(&md->ipv6_addr) == AF_INET6);
tt_int_op(md->ipv6_orport, OP_EQ, 9090);
done:
SMARTLIST_FOREACH(mds, microdesc_t *, mdsc, microdesc_free(mdsc));
smartlist_free(mds);
SMARTLIST_FOREACH(invalid, char *, cp, tor_free(cp));
smartlist_free(invalid);
tor_free(mem_op_hex_tmp);
}
