/* Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. * Copyright (c) 2007-2017, The Tor Project, Inc. */ /* See LICENSE for licensing information */ #include "orconfig.h" #define DIRVOTE_PRIVATE #include "crypto.h" #include "test.h" #include "container.h" #include "or.h" #include "dirvote.h" #include "nodelist.h" #include "routerlist.h" #include "test_dir_common.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, NULL); tt_assert(cert); tt_assert(cert->identity_key); *cert1 = cert; tt_assert(*cert1); *cert2 = authority_cert_parse_from_string(AUTHORITY_CERT_2, NULL); tt_assert(*cert2); *cert3 = authority_cert_parse_from_string(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_assert(0); } 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, 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; }