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/* Copyright (c) 2017-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "core/or/or.h"
#include "lib/crypt_ops/crypto_rand.h"
#include "core/or/address_set.h"
#include "feature/nodelist/microdesc.h"
#include "feature/nodelist/networkstatus.h"
#include "feature/nodelist/nodelist.h"
#include "feature/nodelist/routerlist.h"
#include "feature/nodelist/torcert.h"
#include "feature/nodelist/microdesc_st.h"
#include "feature/nodelist/networkstatus_st.h"
#include "feature/nodelist/routerinfo_st.h"
#include "feature/nodelist/routerstatus_st.h"
#include "test/test.h"
static networkstatus_t *dummy_ns = NULL;
static networkstatus_t *
mock_networkstatus_get_latest_consensus(void)
{
return dummy_ns;
}
static networkstatus_t *
mock_networkstatus_get_latest_consensus_by_flavor(consensus_flavor_t f)
{
tor_assert(f == FLAV_MICRODESC);
return dummy_ns;
}
/* Number of address a single node_t can have. Default to the production
* value. This is to control the size of the bloom filter. */
static int addr_per_node = 2;
static int
mock_get_estimated_address_per_node(void)
{
return addr_per_node;
}
static void
test_contains(void *arg)
{
int ret;
address_set_t *set = NULL;
(void) arg;
/* Setup an IPv4 and IPv6 addresses. */
tor_addr_t addr_v6;
tor_addr_parse(&addr_v6, "1:2:3:4::");
tor_addr_t addr_v4;
tor_addr_parse(&addr_v4, "42.42.42.42");
uint32_t ipv4h = tor_addr_to_ipv4h(&addr_v4);
/* Make it very big so the chance of failing the contain test will be
* extremely rare. */
set = address_set_new(1024);
tt_assert(set);
/* Add and lookup IPv6. */
address_set_add(set, &addr_v6);
ret = address_set_probably_contains(set, &addr_v6);
tt_int_op(ret, OP_EQ, 1);
/* Add and lookup IPv4. */
address_set_add_ipv4h(set, ipv4h);
ret = address_set_probably_contains(set, &addr_v4);
tt_int_op(ret, OP_EQ, 1);
/* Try a lookup of rubbish. */
tor_addr_t dummy_addr;
memset(&dummy_addr, 'A', sizeof(dummy_addr));
dummy_addr.family = AF_INET;
ret = address_set_probably_contains(set, &dummy_addr);
tt_int_op(ret, OP_EQ, 0);
dummy_addr.family = AF_INET6;
ret = address_set_probably_contains(set, &dummy_addr);
tt_int_op(ret, OP_EQ, 0);
done:
address_set_free(set);
}
static void
test_nodelist(void *arg)
{
int ret;
routerstatus_t *rs = NULL; microdesc_t *md = NULL; routerinfo_t *ri = NULL;
(void) arg;
MOCK(networkstatus_get_latest_consensus,
mock_networkstatus_get_latest_consensus);
MOCK(networkstatus_get_latest_consensus_by_flavor,
mock_networkstatus_get_latest_consensus_by_flavor);
MOCK(get_estimated_address_per_node,
mock_get_estimated_address_per_node);
dummy_ns = tor_malloc_zero(sizeof(*dummy_ns));
dummy_ns->flavor = FLAV_MICRODESC;
dummy_ns->routerstatus_list = smartlist_new();
tor_addr_t addr_v4, addr_v6, dummy_addr;
tor_addr_parse(&addr_v4, "42.42.42.42");
uint32_t ipv4h = tor_addr_to_ipv4h(&addr_v4);
tor_addr_parse(&addr_v6, "1:2:3:4::");
memset(&dummy_addr, 'A', sizeof(dummy_addr));
/* This will make the nodelist bloom filter very large
* (the_nodelist->node_addrs) so we will fail the contain test rarely. */
addr_per_node = 1024;
/* No node no nothing. The lookups should be empty. */
nodelist_set_consensus(dummy_ns);
/* The address set should be empty. */
ret = nodelist_probably_contains_address(&addr_v4);
tt_int_op(ret, OP_EQ, 0);
ret = nodelist_probably_contains_address(&addr_v6);
tt_int_op(ret, OP_EQ, 0);
dummy_addr.family = AF_INET;
ret = nodelist_probably_contains_address(&dummy_addr);
tt_int_op(ret, OP_EQ, 0);
dummy_addr.family = AF_INET6;
ret = nodelist_probably_contains_address(&dummy_addr);
tt_int_op(ret, OP_EQ, 0);
md = tor_malloc_zero(sizeof(*md));
ri = tor_malloc_zero(sizeof(*ri));
rs = tor_malloc_zero(sizeof(*rs));
crypto_rand(rs->identity_digest, sizeof(rs->identity_digest));
crypto_rand(md->digest, sizeof(md->digest));
memcpy(rs->descriptor_digest, md->digest, DIGEST256_LEN);
/* Setup the rs, ri and md addresses. */
rs->addr = ipv4h;
tor_addr_parse(&rs->ipv6_addr, "1:2:3:4::");
ri->addr = ipv4h;
tor_addr_parse(&ri->ipv6_addr, "1:2:3:4::");
tor_addr_parse(&md->ipv6_addr, "1:2:3:4::");
/* Add the rs to the consensus becoming a node_t. */
smartlist_add(dummy_ns->routerstatus_list, rs);
nodelist_set_consensus(dummy_ns);
/* At this point, the address set should be initialized in the nodelist and
* we should be able to lookup. */
ret = nodelist_probably_contains_address(&addr_v4);
tt_int_op(ret, OP_EQ, 1);
ret = nodelist_probably_contains_address(&addr_v6);
tt_int_op(ret, OP_EQ, 1);
/* Lookup unknown address. */
dummy_addr.family = AF_INET;
ret = nodelist_probably_contains_address(&dummy_addr);
tt_int_op(ret, OP_EQ, 0);
dummy_addr.family = AF_INET6;
ret = nodelist_probably_contains_address(&dummy_addr);
tt_int_op(ret, OP_EQ, 0);
done:
routerstatus_free(rs); routerinfo_free(ri); microdesc_free(md);
smartlist_clear(dummy_ns->routerstatus_list);
networkstatus_vote_free(dummy_ns);
UNMOCK(networkstatus_get_latest_consensus);
UNMOCK(networkstatus_get_latest_consensus_by_flavor);
UNMOCK(get_estimated_address_per_node);
}
struct testcase_t address_set_tests[] = {
{ "contains", test_contains, TT_FORK,
NULL, NULL },
{ "nodelist", test_nodelist, TT_FORK,
NULL, NULL },
END_OF_TESTCASES
};
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