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tor/src/test/test_dir_common.c

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/* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#define DIRVOTE_PRIVATE
#include "test/test.h"
#include "core/or/or.h"
#include "feature/dirauth/dirvote.h"
#include "feature/nodelist/nodelist.h"
#include "feature/nodelist/routerlist.h"
#include "feature/dirparse/authcert_parse.h"
#include "feature/dirparse/ns_parse.h"
#include "test/test_dir_common.h"
#include "feature/dircommon/voting_schedule.h"
#include "feature/nodelist/authority_cert_st.h"
#include "feature/nodelist/networkstatus_st.h"
#include "feature/nodelist/networkstatus_voter_info_st.h"
#include "feature/nodelist/routerinfo_st.h"
#include "feature/dirauth/vote_microdesc_hash_st.h"
#include "feature/nodelist/vote_routerstatus_st.h"
void dir_common_setup_vote(networkstatus_t **vote, time_t now);
networkstatus_t * dir_common_add_rs_and_parse(networkstatus_t *vote,
networkstatus_t **vote_out,
vote_routerstatus_t * (*vrs_gen)(int idx, time_t now),
crypto_pk_t *sign_skey, int *n_vrs,
time_t now, int clear_rl);
/** Initialize and set auth certs and keys
* Returns 0 on success, -1 on failure. Clean up handled by caller.
*/
int
dir_common_authority_pk_init(authority_cert_t **cert1,
authority_cert_t **cert2,
authority_cert_t **cert3,
crypto_pk_t **sign_skey_1,
crypto_pk_t **sign_skey_2,
crypto_pk_t **sign_skey_3)
{
/* Parse certificates and keys. */
authority_cert_t *cert;
cert = authority_cert_parse_from_string(AUTHORITY_CERT_1,
strlen(AUTHORITY_CERT_1),
NULL);
tt_assert(cert);
tt_assert(cert->identity_key);
*cert1 = cert;
tt_assert(*cert1);
*cert2 = authority_cert_parse_from_string(AUTHORITY_CERT_2,
strlen(AUTHORITY_CERT_2),
NULL);
tt_assert(*cert2);
*cert3 = authority_cert_parse_from_string(AUTHORITY_CERT_3,
strlen(AUTHORITY_CERT_3),
NULL);
tt_assert(*cert3);
*sign_skey_1 = crypto_pk_new();
*sign_skey_2 = crypto_pk_new();
*sign_skey_3 = crypto_pk_new();
tt_assert(!crypto_pk_read_private_key_from_string(*sign_skey_1,
AUTHORITY_SIGNKEY_1, -1));
tt_assert(!crypto_pk_read_private_key_from_string(*sign_skey_2,
AUTHORITY_SIGNKEY_2, -1));
tt_assert(!crypto_pk_read_private_key_from_string(*sign_skey_3,
AUTHORITY_SIGNKEY_3, -1));
tt_assert(!crypto_pk_cmp_keys(*sign_skey_1, (*cert1)->signing_key));
tt_assert(!crypto_pk_cmp_keys(*sign_skey_2, (*cert2)->signing_key));
return 0;
done:
return -1;
}
/**
* Generate a routerstatus for v3_networkstatus test.
*/
vote_routerstatus_t *
dir_common_gen_routerstatus_for_v3ns(int idx, time_t now)
{
vote_routerstatus_t *vrs=NULL;
routerstatus_t *rs = NULL;
tor_addr_t addr_ipv6;
char *method_list = NULL;
switch (idx) {
case 0:
/* Generate the first routerstatus. */
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
vrs->version = tor_strdup("0.1.2.14");
rs->published_on = now-1500;
strlcpy(rs->nickname, "router2", sizeof(rs->nickname));
memset(rs->identity_digest, TEST_DIR_ROUTER_ID_1, DIGEST_LEN);
memset(rs->descriptor_digest, TEST_DIR_ROUTER_DD_1, DIGEST_LEN);
rs->addr = 0x99008801;
rs->or_port = 443;
rs->dir_port = 8000;
/* all flags but running and v2dir cleared */
rs->is_flagged_running = 1;
rs->is_v2_dir = 1;
rs->is_valid = 1; /* xxxxx */
break;
case 1:
/* Generate the second routerstatus. */
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
vrs->version = tor_strdup("0.2.0.5");
rs->published_on = now-1000;
strlcpy(rs->nickname, "router1", sizeof(rs->nickname));
memset(rs->identity_digest, TEST_DIR_ROUTER_ID_2, DIGEST_LEN);
memset(rs->descriptor_digest, TEST_DIR_ROUTER_DD_2, DIGEST_LEN);
rs->addr = 0x99009901;
rs->or_port = 443;
rs->dir_port = 0;
tor_addr_parse(&addr_ipv6, "[1:2:3::4]");
tor_addr_copy(&rs->ipv6_addr, &addr_ipv6);
rs->ipv6_orport = 4711;
rs->is_exit = rs->is_stable = rs->is_fast = rs->is_flagged_running =
rs->is_valid = rs->is_possible_guard = rs->is_v2_dir = 1;
break;
case 2:
/* Generate the third routerstatus. */
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
vrs->version = tor_strdup("0.1.0.3");
rs->published_on = now-1000;
strlcpy(rs->nickname, "router3", sizeof(rs->nickname));
memset(rs->identity_digest, TEST_DIR_ROUTER_ID_3, DIGEST_LEN);
memset(rs->descriptor_digest, TEST_DIR_ROUTER_DD_3, DIGEST_LEN);
rs->addr = 0xAA009901;
rs->or_port = 400;
rs->dir_port = 9999;
rs->is_authority = rs->is_exit = rs->is_stable = rs->is_fast =
rs->is_flagged_running = rs->is_valid = rs->is_v2_dir =
rs->is_possible_guard = 1;
break;
case 3:
/* Generate a fourth routerstatus that is not running. */
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
vrs->version = tor_strdup("0.1.6.3");
rs->published_on = now-1000;
strlcpy(rs->nickname, "router4", sizeof(rs->nickname));
memset(rs->identity_digest, TEST_DIR_ROUTER_ID_4, DIGEST_LEN);
memset(rs->descriptor_digest, TEST_DIR_ROUTER_DD_4, DIGEST_LEN);
rs->addr = 0xC0000203;
rs->or_port = 500;
rs->dir_port = 1999;
rs->is_v2_dir = 1;
/* Running flag (and others) cleared */
break;
case 4:
/* No more for this test; return NULL */
vrs = NULL;
break;
default:
/* Shouldn't happen */
tt_abort();
}
if (vrs) {
vrs->microdesc = tor_malloc_zero(sizeof(vote_microdesc_hash_t));
method_list = make_consensus_method_list(MIN_SUPPORTED_CONSENSUS_METHOD,
MAX_SUPPORTED_CONSENSUS_METHOD,
",");
tor_asprintf(&vrs->microdesc->microdesc_hash_line,
"m %s "
"sha256=xyzajkldsdsajdadlsdjaslsdksdjlsdjsdaskdaaa%d\n",
method_list, idx);
}
done:
tor_free(method_list);
return vrs;
}
/** Initialize networkstatus vote object attributes. */
void
dir_common_setup_vote(networkstatus_t **vote, time_t now)
{
*vote = tor_malloc_zero(sizeof(networkstatus_t));
(*vote)->type = NS_TYPE_VOTE;
(*vote)->published = now;
(*vote)->supported_methods = smartlist_new();
(*vote)->known_flags = smartlist_new();
(*vote)->net_params = smartlist_new();
(*vote)->routerstatus_list = smartlist_new();
(*vote)->voters = smartlist_new();
}
/** Helper: Make a new routerinfo containing the right information for a
* given vote_routerstatus_t. */
routerinfo_t *
dir_common_generate_ri_from_rs(const vote_routerstatus_t *vrs)
{
routerinfo_t *r;
const routerstatus_t *rs = &vrs->status;
static time_t published = 0;
r = tor_malloc_zero(sizeof(routerinfo_t));
r->cert_expiration_time = TIME_MAX;
memcpy(r->cache_info.identity_digest, rs->identity_digest, DIGEST_LEN);
memcpy(r->cache_info.signed_descriptor_digest, rs->descriptor_digest,
DIGEST_LEN);
r->cache_info.do_not_cache = 1;
r->cache_info.routerlist_index = -1;
r->cache_info.signed_descriptor_body =
tor_strdup("123456789012345678901234567890123");
r->cache_info.signed_descriptor_len =
strlen(r->cache_info.signed_descriptor_body);
r->exit_policy = smartlist_new();
r->cache_info.published_on = ++published + time(NULL);
if (rs->has_bandwidth) {
/*
* Multiply by 1000 because the routerinfo_t and the routerstatus_t
* seem to use different units (*sigh*) and because we seem stuck on
* icky and perverse decimal kilobytes (*double sigh*) - see
* router_get_advertised_bandwidth_capped() of routerlist.c and
* routerstatus_format_entry() of dirserv.c.
*/
r->bandwidthrate = rs->bandwidth_kb * 1000;
r->bandwidthcapacity = rs->bandwidth_kb * 1000;
}
return r;
}
/** Create routerstatuses and signed vote.
* Create routerstatuses using *vrs_gen* and add them to global routerlist.
* Next, create signed vote using *sign_skey* and *vote*, which should have
* predefined header fields.
* Setting *clear_rl* clears the global routerlist before adding the new
* routers.
* Return the signed vote, same as *vote_out*. Save the number of routers added
* in *n_vrs*.
*/
networkstatus_t *
dir_common_add_rs_and_parse(networkstatus_t *vote, networkstatus_t **vote_out,
vote_routerstatus_t * (*vrs_gen)(int idx, time_t now),
crypto_pk_t *sign_skey, int *n_vrs, time_t now,
int clear_rl)
{
vote_routerstatus_t *vrs;
char *v_text=NULL;
const char *msg=NULL;
int idx;
was_router_added_t router_added = -1;
*vote_out = NULL;
if (clear_rl) {
nodelist_free_all();
routerlist_free_all();
}
idx = 0;
do {
vrs = vrs_gen(idx, now);
if (vrs) {
smartlist_add(vote->routerstatus_list, vrs);
router_added =
router_add_to_routerlist(dir_common_generate_ri_from_rs(vrs),
&msg,0,0);
tt_assert(router_added >= 0);
++idx;
}
} while (vrs);
*n_vrs = idx;
/* dump the vote and try to parse it. */
v_text = format_networkstatus_vote(sign_skey, vote);
tt_assert(v_text);
*vote_out = networkstatus_parse_vote_from_string(v_text,
strlen(v_text),
NULL, NS_TYPE_VOTE);
done:
if (v_text)
tor_free(v_text);
return *vote_out;
}
/** Create a fake *vote* where *cert* describes the signer, *sign_skey*
* is the signing key, and *vrs_gen* is the function we'll use to create the
* routers on which we're voting.
* We pass *vote_out*, *n_vrs*, and *clear_rl* directly to vrs_gen().
* Return 0 on success, return -1 on failure.
*/
int
dir_common_construct_vote_1(networkstatus_t **vote, authority_cert_t *cert,
crypto_pk_t *sign_skey,
vote_routerstatus_t * (*vrs_gen)(int idx, time_t now),
networkstatus_t **vote_out, int *n_vrs,
time_t now, int clear_rl)
{
networkstatus_voter_info_t *voter;
dir_common_setup_vote(vote, now);
(*vote)->valid_after = now+1000;
(*vote)->fresh_until = now+2000;
(*vote)->valid_until = now+3000;
(*vote)->vote_seconds = 100;
(*vote)->dist_seconds = 200;
smartlist_split_string((*vote)->supported_methods, "1 2 3", NULL, 0, -1);
(*vote)->client_versions = tor_strdup("0.1.2.14,0.1.2.15");
(*vote)->server_versions = tor_strdup("0.1.2.14,0.1.2.15,0.1.2.16");
smartlist_split_string((*vote)->known_flags,
"Authority Exit Fast Guard Running Stable V2Dir Valid",
0, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
voter = tor_malloc_zero(sizeof(networkstatus_voter_info_t));
voter->nickname = tor_strdup("Voter1");
voter->address = tor_strdup("1.2.3.4");
voter->addr = 0x01020304;
voter->dir_port = 80;
voter->or_port = 9000;
voter->contact = tor_strdup("voter@example.com");
crypto_pk_get_digest(cert->identity_key, voter->identity_digest);
/*
* Set up a vote; generate it; try to parse it.
*/
smartlist_add((*vote)->voters, voter);
(*vote)->cert = authority_cert_dup(cert);
smartlist_split_string((*vote)->net_params, "circuitwindow=101 foo=990",
NULL, 0, 0);
*n_vrs = 0;
/* add routerstatuses */
if (!dir_common_add_rs_and_parse(*vote, vote_out, vrs_gen, sign_skey,
n_vrs, now, clear_rl))
return -1;
return 0;
}
/** See dir_common_construct_vote_1.
* Produces a vote with slightly different values.
*/
int
dir_common_construct_vote_2(networkstatus_t **vote, authority_cert_t *cert,
crypto_pk_t *sign_skey,
vote_routerstatus_t * (*vrs_gen)(int idx, time_t now),
networkstatus_t **vote_out, int *n_vrs,
time_t now, int clear_rl)
{
networkstatus_voter_info_t *voter;
dir_common_setup_vote(vote, now);
(*vote)->type = NS_TYPE_VOTE;
(*vote)->published += 1;
(*vote)->valid_after = now+1000;
(*vote)->fresh_until = now+3005;
(*vote)->valid_until = now+3000;
(*vote)->vote_seconds = 100;
(*vote)->dist_seconds = 300;
smartlist_split_string((*vote)->supported_methods, "1 2 3", NULL, 0, -1);
smartlist_split_string((*vote)->known_flags,
"Authority Exit Fast Guard MadeOfCheese MadeOfTin "
"Running Stable V2Dir Valid", 0,
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
voter = tor_malloc_zero(sizeof(networkstatus_voter_info_t));
voter->nickname = tor_strdup("Voter2");
voter->address = tor_strdup("2.3.4.5");
voter->addr = 0x02030405;
voter->dir_port = 80;
voter->or_port = 9000;
voter->contact = tor_strdup("voter@example.com");
crypto_pk_get_digest(cert->identity_key, voter->identity_digest);
/*
* Set up a vote; generate it; try to parse it.
*/
smartlist_add((*vote)->voters, voter);
(*vote)->cert = authority_cert_dup(cert);
if (! (*vote)->net_params)
(*vote)->net_params = smartlist_new();
smartlist_split_string((*vote)->net_params,
"bar=2000000000 circuitwindow=20",
NULL, 0, 0);
/* add routerstatuses */
/* dump the vote and try to parse it. */
dir_common_add_rs_and_parse(*vote, vote_out, vrs_gen, sign_skey,
n_vrs, now, clear_rl);
return 0;
}
/** See dir_common_construct_vote_1.
* Produces a vote with slightly different values. Adds a legacy key.
*/
int
dir_common_construct_vote_3(networkstatus_t **vote, authority_cert_t *cert,
crypto_pk_t *sign_skey,
vote_routerstatus_t * (*vrs_gen)(int idx, time_t now),
networkstatus_t **vote_out, int *n_vrs,
time_t now, int clear_rl)
{
networkstatus_voter_info_t *voter;
dir_common_setup_vote(vote, now);
(*vote)->valid_after = now+1000;
(*vote)->fresh_until = now+2003;
(*vote)->valid_until = now+3000;
(*vote)->vote_seconds = 100;
(*vote)->dist_seconds = 250;
smartlist_split_string((*vote)->supported_methods, "1 2 3 4", NULL, 0, -1);
(*vote)->client_versions = tor_strdup("0.1.2.14,0.1.2.17");
(*vote)->server_versions = tor_strdup("0.1.2.10,0.1.2.15,0.1.2.16");
smartlist_split_string((*vote)->known_flags,
"Authority Exit Fast Guard Running Stable V2Dir Valid",
0, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
voter = tor_malloc_zero(sizeof(networkstatus_voter_info_t));
voter->nickname = tor_strdup("Voter2");
voter->address = tor_strdup("3.4.5.6");
voter->addr = 0x03040506;
voter->dir_port = 80;
voter->or_port = 9000;
voter->contact = tor_strdup("voter@example.com");
crypto_pk_get_digest(cert->identity_key, voter->identity_digest);
memset(voter->legacy_id_digest, (int)'A', DIGEST_LEN);
/*
* Set up a vote; generate it; try to parse it.
*/
smartlist_add((*vote)->voters, voter);
(*vote)->cert = authority_cert_dup(cert);
smartlist_split_string((*vote)->net_params, "circuitwindow=80 foo=660",
NULL, 0, 0);
/* add routerstatuses */
/* dump the vote and try to parse it. */
dir_common_add_rs_and_parse(*vote, vote_out, vrs_gen, sign_skey,
n_vrs, now, clear_rl);
return 0;
}
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