diff options
Diffstat (limited to 'src/test/test_hs_cell.c')
| -rw-r--r-- | src/test/test_hs_cell.c | 102 |
1 files changed, 97 insertions, 5 deletions
diff --git a/src/test/test_hs_cell.c b/src/test/test_hs_cell.c index f8af631c8b..5406339276 100644 --- a/src/test/test_hs_cell.c +++ b/src/test/test_hs_cell.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2017-2019, The Tor Project, Inc. */ +/* Copyright (c) 2017-2020, The Tor Project, Inc. */ /* See LICENSE for licensing information */ /** @@ -20,6 +20,7 @@ #include "feature/hs/hs_service.h" /* Trunnel. */ +#include "trunnel/hs/cell_common.h" #include "trunnel/hs/cell_establish_intro.h" /** We simulate the creation of an outgoing ESTABLISH_INTRO cell, and then we @@ -38,11 +39,13 @@ test_gen_establish_intro_cell(void *arg) /* Create outgoing ESTABLISH_INTRO cell and extract its payload so that we attempt to parse it. */ { + hs_service_config_t config; + memset(&config, 0, sizeof(config)); /* We only need the auth key pair here. */ - hs_service_intro_point_t *ip = service_intro_point_new(NULL, 0, 0); + hs_service_intro_point_t *ip = service_intro_point_new(NULL); /* Auth key pair is generated in the constructor so we are all set for * using this IP object. */ - ret = hs_cell_build_establish_intro(circ_nonce, ip, buf); + ret = hs_cell_build_establish_intro(circ_nonce, &config, ip, buf); service_intro_point_free(ip); tt_u64_op(ret, OP_GT, 0); } @@ -97,6 +100,9 @@ test_gen_establish_intro_cell_bad(void *arg) trn_cell_establish_intro_t *cell = NULL; char circ_nonce[DIGEST_LEN] = {0}; hs_service_intro_point_t *ip = NULL; + hs_service_config_t config; + + memset(&config, 0, sizeof(config)); MOCK(ed25519_sign_prefixed, mock_ed25519_sign_prefixed); @@ -107,8 +113,8 @@ test_gen_establish_intro_cell_bad(void *arg) ed25519_sign_prefixed() function and make it fail. */ cell = trn_cell_establish_intro_new(); tt_assert(cell); - ip = service_intro_point_new(NULL, 0, 0); - cell_len = hs_cell_build_establish_intro(circ_nonce, ip, NULL); + ip = service_intro_point_new(NULL); + cell_len = hs_cell_build_establish_intro(circ_nonce, &config, ip, NULL); service_intro_point_free(ip); expect_log_msg_containing("Unable to make signature for " "ESTABLISH_INTRO cell."); @@ -120,11 +126,97 @@ test_gen_establish_intro_cell_bad(void *arg) UNMOCK(ed25519_sign_prefixed); } +static void +test_gen_establish_intro_dos_ext(void *arg) +{ + ssize_t ret; + hs_service_config_t config; + hs_service_intro_point_t *ip = NULL; + trn_cell_extension_t *extensions = NULL; + trn_cell_extension_dos_t *dos = NULL; + + (void) arg; + + memset(&config, 0, sizeof(config)); + ip = service_intro_point_new(NULL); + tt_assert(ip); + ip->support_intro2_dos_defense = 1; + + /* Case 1: No DoS parameters so no extension to be built. */ + extensions = build_establish_intro_extensions(&config, ip); + tt_int_op(trn_cell_extension_get_num(extensions), OP_EQ, 0); + trn_cell_extension_free(extensions); + extensions = NULL; + + /* Case 2: Enable the DoS extension. Parameter set to 0 should indicate to + * disable the defense on the intro point but there should be an extension + * nonetheless in the cell. */ + config.has_dos_defense_enabled = 1; + extensions = build_establish_intro_extensions(&config, ip); + tt_int_op(trn_cell_extension_get_num(extensions), OP_EQ, 1); + /* Validate the extension. */ + const trn_cell_extension_field_t *field = + trn_cell_extension_getconst_fields(extensions, 0); + tt_int_op(trn_cell_extension_field_get_field_type(field), OP_EQ, + TRUNNEL_CELL_EXTENSION_TYPE_DOS); + ret = trn_cell_extension_dos_parse(&dos, + trn_cell_extension_field_getconstarray_field(field), + trn_cell_extension_field_getlen_field(field)); + tt_int_op(ret, OP_EQ, 19); + /* Rate per sec param. */ + const trn_cell_extension_dos_param_t *param = + trn_cell_extension_dos_getconst_params(dos, 0); + tt_int_op(trn_cell_extension_dos_param_get_type(param), OP_EQ, + TRUNNEL_DOS_PARAM_TYPE_INTRO2_RATE_PER_SEC); + tt_u64_op(trn_cell_extension_dos_param_get_value(param), OP_EQ, 0); + /* Burst per sec param. */ + param = trn_cell_extension_dos_getconst_params(dos, 1); + tt_int_op(trn_cell_extension_dos_param_get_type(param), OP_EQ, + TRUNNEL_DOS_PARAM_TYPE_INTRO2_BURST_PER_SEC); + tt_u64_op(trn_cell_extension_dos_param_get_value(param), OP_EQ, 0); + trn_cell_extension_dos_free(dos); dos = NULL; + trn_cell_extension_free(extensions); extensions = NULL; + + /* Case 3: Enable the DoS extension. Parameter set to some normal values. */ + config.has_dos_defense_enabled = 1; + config.intro_dos_rate_per_sec = 42; + config.intro_dos_burst_per_sec = 250; + extensions = build_establish_intro_extensions(&config, ip); + tt_int_op(trn_cell_extension_get_num(extensions), OP_EQ, 1); + /* Validate the extension. */ + field = trn_cell_extension_getconst_fields(extensions, 0); + tt_int_op(trn_cell_extension_field_get_field_type(field), OP_EQ, + TRUNNEL_CELL_EXTENSION_TYPE_DOS); + ret = trn_cell_extension_dos_parse(&dos, + trn_cell_extension_field_getconstarray_field(field), + trn_cell_extension_field_getlen_field(field)); + tt_int_op(ret, OP_EQ, 19); + /* Rate per sec param. */ + param = trn_cell_extension_dos_getconst_params(dos, 0); + tt_int_op(trn_cell_extension_dos_param_get_type(param), OP_EQ, + TRUNNEL_DOS_PARAM_TYPE_INTRO2_RATE_PER_SEC); + tt_u64_op(trn_cell_extension_dos_param_get_value(param), OP_EQ, 42); + /* Burst per sec param. */ + param = trn_cell_extension_dos_getconst_params(dos, 1); + tt_int_op(trn_cell_extension_dos_param_get_type(param), OP_EQ, + TRUNNEL_DOS_PARAM_TYPE_INTRO2_BURST_PER_SEC); + tt_u64_op(trn_cell_extension_dos_param_get_value(param), OP_EQ, 250); + trn_cell_extension_dos_free(dos); dos = NULL; + trn_cell_extension_free(extensions); extensions = NULL; + + done: + service_intro_point_free(ip); + trn_cell_extension_dos_free(dos); + trn_cell_extension_free(extensions); +} + struct testcase_t hs_cell_tests[] = { { "gen_establish_intro_cell", test_gen_establish_intro_cell, TT_FORK, NULL, NULL }, { "gen_establish_intro_cell_bad", test_gen_establish_intro_cell_bad, TT_FORK, NULL, NULL }, + { "gen_establish_intro_dos_ext", test_gen_establish_intro_dos_ext, TT_FORK, + NULL, NULL }, END_OF_TESTCASES }; |