diff options
Diffstat (limited to 'src/test/test_config.c')
| -rw-r--r-- | src/test/test_config.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/src/test/test_config.c b/src/test/test_config.c index e20fe7329..6a285db6e 100644 --- a/src/test/test_config.c +++ b/src/test/test_config.c @@ -4,12 +4,16 @@ /* See LICENSE for licensing information */ #include "orconfig.h" + +#define CONFIG_PRIVATE #include "or.h" #include "addressmap.h" #include "config.h" #include "confparse.h" #include "connection_edge.h" #include "test.h" +#include "util.h" +#include "address.h" static void test_config_addressmap(void *arg) @@ -169,11 +173,391 @@ test_config_addressmap(void *arg) ; } +static int +is_private_dir(const char* path) +{ + struct stat st; + int r = stat(path, &st); + if (r) { + return 0; + } +#if !defined (_WIN32) || defined (WINCE) + if ((st.st_mode & (S_IFDIR | 0777)) != (S_IFDIR | 0700)) { + return 0; + } +#endif + return 1; +} + +static void +test_config_check_or_create_data_subdir(void *arg) +{ + or_options_t *options = get_options_mutable(); + char *datadir = options->DataDirectory = tor_strdup(get_fname("datadir-0")); + const char *subdir = "test_stats"; + char *subpath = get_datadir_fname(subdir); + struct stat st; + int r; +#if !defined (_WIN32) || defined (WINCE) + unsigned group_permission; +#endif + (void)arg; + +#if defined (_WIN32) && !defined (WINCE) + tt_int_op(mkdir(options->DataDirectory), ==, 0); +#else + tt_int_op(mkdir(options->DataDirectory, 0700), ==, 0); +#endif + + r = stat(subpath, &st); + + // The subdirectory shouldn't exist yet, + // but should be created by the call to check_or_create_data_subdir. + test_assert(r && (errno == ENOENT)); + test_assert(!check_or_create_data_subdir(subdir)); + test_assert(is_private_dir(subpath)); + + // The check should return 0, if the directory already exists + // and is private to the user. + test_assert(!check_or_create_data_subdir(subdir)); + +#if !defined (_WIN32) || defined (WINCE) + group_permission = st.st_mode | 0070; + r = chmod(subpath, group_permission); + + if (r) { + test_fail_msg("Changing permissions for the subdirectory failed."); + } + + // If the directory exists, but its mode is too permissive + // a call to check_or_create_data_subdir should reset the mode. + test_assert(!is_private_dir(subpath)); + test_assert(!check_or_create_data_subdir(subdir)); + test_assert(is_private_dir(subpath)); +#endif + + done: + rmdir(subpath); + tor_free(datadir); + tor_free(subpath); +} + +static void +test_config_write_to_data_subdir(void *arg) +{ + or_options_t* options = get_options_mutable(); + char *datadir = options->DataDirectory = tor_strdup(get_fname("datadir-1")); + const char* subdir = "test_stats"; + const char* fname = "test_file"; + const char* str = + "Lorem ipsum dolor sit amet, consetetur sadipscing\n" + "elitr, sed diam nonumy eirmod\n" + "tempor invidunt ut labore et dolore magna aliquyam\n" + "erat, sed diam voluptua.\n" + "At vero eos et accusam et justo duo dolores et ea\n" + "rebum. Stet clita kasd gubergren,\n" + "no sea takimata sanctus est Lorem ipsum dolor sit amet.\n" + "Lorem ipsum dolor sit amet,\n" + "consetetur sadipscing elitr, sed diam nonumy eirmod\n" + "tempor invidunt ut labore et dolore\n" + "magna aliquyam erat, sed diam voluptua. At vero eos et\n" + "accusam et justo duo dolores et\n" + "ea rebum. Stet clita kasd gubergren, no sea takimata\n" + "sanctus est Lorem ipsum dolor sit amet."; + char* filepath = get_datadir_fname2(subdir, fname); + (void)arg; + +#if defined (_WIN32) && !defined (WINCE) + tt_int_op(mkdir(options->DataDirectory), ==, 0); +#else + tt_int_op(mkdir(options->DataDirectory, 0700), ==, 0); +#endif + + // Write attempt shoudl fail, if subdirectory doesn't exist. + test_assert(write_to_data_subdir(subdir, fname, str, NULL)); + test_assert(! check_or_create_data_subdir(subdir)); + + // Content of file after write attempt should be + // equal to the original string. + test_assert(!write_to_data_subdir(subdir, fname, str, NULL)); + test_streq(read_file_to_str(filepath, 0, NULL), str); + + // A second write operation should overwrite the old content. + test_assert(!write_to_data_subdir(subdir, fname, str, NULL)); + test_streq(read_file_to_str(filepath, 0, NULL), str); + + done: + (void) unlink(filepath); + rmdir(options->DataDirectory); + tor_free(datadir); + tor_free(filepath); +} + +/* Test helper function: Make sure that a bridge line gets parsed + * properly. Also make sure that the resulting bridge_line_t structure + * has its fields set correctly. */ +static void +good_bridge_line_test(const char *string, const char *test_addrport, + const char *test_digest, const char *test_transport, + const smartlist_t *test_socks_args) +{ + char *tmp = NULL; + bridge_line_t *bridge_line = parse_bridge_line(string); + test_assert(bridge_line); + + /* test addrport */ + tmp = tor_strdup(fmt_addrport(&bridge_line->addr, bridge_line->port)); + test_streq(test_addrport, tmp); + tor_free(tmp); + + /* If we were asked to validate a digest, but we did not get a + digest after parsing, we failed. */ + if (test_digest && tor_digest_is_zero(bridge_line->digest)) + test_assert(0); + + /* If we were not asked to validate a digest, and we got a digest + after parsing, we failed again. */ + if (!test_digest && !tor_digest_is_zero(bridge_line->digest)) + test_assert(0); + + /* If we were asked to validate a digest, and we got a digest after + parsing, make sure it's correct. */ + if (test_digest) { + tmp = tor_strdup(hex_str(bridge_line->digest, DIGEST_LEN)); + tor_strlower(tmp); + test_streq(test_digest, tmp); + tor_free(tmp); + } + + /* If we were asked to validate a transport name, make sure tha it + matches with the transport name that was parsed. */ + if (test_transport && !bridge_line->transport_name) + test_assert(0); + if (!test_transport && bridge_line->transport_name) + test_assert(0); + if (test_transport) + test_streq(test_transport, bridge_line->transport_name); + + /* Validate the SOCKS argument smartlist. */ + if (test_socks_args && !bridge_line->socks_args) + test_assert(0); + if (!test_socks_args && bridge_line->socks_args) + test_assert(0); + if (test_socks_args) + test_assert(smartlist_strings_eq(test_socks_args, + bridge_line->socks_args)); + + done: + tor_free(tmp); + bridge_line_free(bridge_line); +} + +/* Test helper function: Make sure that a bridge line is + * unparseable. */ +static void +bad_bridge_line_test(const char *string) +{ + bridge_line_t *bridge_line = parse_bridge_line(string); + test_assert(!bridge_line); + + done: + bridge_line_free(bridge_line); +} + +static void +test_config_parse_bridge_line(void *arg) +{ + (void) arg; + good_bridge_line_test("192.0.2.1:4123", + "192.0.2.1:4123", NULL, NULL, NULL); + + good_bridge_line_test("192.0.2.1", + "192.0.2.1:443", NULL, NULL, NULL); + + good_bridge_line_test("transport [::1]", + "[::1]:443", NULL, "transport", NULL); + + good_bridge_line_test("transport 192.0.2.1:12 " + "4352e58420e68f5e40bf7c74faddccd9d1349413", + "192.0.2.1:12", + "4352e58420e68f5e40bf7c74faddccd9d1349413", + "transport", NULL); + + { + smartlist_t *sl_tmp = smartlist_new(); + smartlist_add_asprintf(sl_tmp, "twoandtwo=five"); + + good_bridge_line_test("transport 192.0.2.1:12 " + "4352e58420e68f5e40bf7c74faddccd9d1349413 twoandtwo=five", + "192.0.2.1:12", "4352e58420e68f5e40bf7c74faddccd9d1349413", + "transport", sl_tmp); + + SMARTLIST_FOREACH(sl_tmp, char *, s, tor_free(s)); + smartlist_free(sl_tmp); + } + + { + smartlist_t *sl_tmp = smartlist_new(); + smartlist_add_asprintf(sl_tmp, "twoandtwo=five"); + smartlist_add_asprintf(sl_tmp, "z=z"); + + good_bridge_line_test("transport 192.0.2.1:12 twoandtwo=five z=z", + "192.0.2.1:12", NULL, "transport", sl_tmp); + + SMARTLIST_FOREACH(sl_tmp, char *, s, tor_free(s)); + smartlist_free(sl_tmp); + } + + good_bridge_line_test("192.0.2.1:1231 " + "4352e58420e68f5e40bf7c74faddccd9d1349413", + "192.0.2.1:1231", + "4352e58420e68f5e40bf7c74faddccd9d1349413", + NULL, NULL); + + /* Empty line */ + bad_bridge_line_test(""); + /* bad transport name */ + bad_bridge_line_test("tr$n_sp0r7 190.20.2.2"); + /* weird ip address */ + bad_bridge_line_test("a.b.c.d"); + /* invalid fpr */ + bad_bridge_line_test("2.2.2.2:1231 4352e58420e68f5e40bf7c74faddccd9d1349"); + /* no k=v in the end */ + bad_bridge_line_test("obfs2 2.2.2.2:1231 " + "4352e58420e68f5e40bf7c74faddccd9d1349413 what"); + /* no addrport */ + bad_bridge_line_test("asdw"); + /* huge k=v value that can't fit in SOCKS fields */ + bad_bridge_line_test( + "obfs2 2.2.2.2:1231 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aa=b"); +} + +static void +test_config_parse_transport_options_line(void *arg) +{ + smartlist_t *options_sl = NULL, *sl_tmp = NULL; + + (void) arg; + + { /* too small line */ + options_sl = get_options_from_transport_options_line("valley", NULL); + test_assert(!options_sl); + } + + { /* no k=v values */ + options_sl = get_options_from_transport_options_line("hit it!", NULL); + test_assert(!options_sl); + } + + { /* correct line, but wrong transport specified */ + options_sl = + get_options_from_transport_options_line("trebuchet k=v", "rook"); + test_assert(!options_sl); + } + + { /* correct -- no transport specified */ + sl_tmp = smartlist_new(); + smartlist_add_asprintf(sl_tmp, "ladi=dadi"); + smartlist_add_asprintf(sl_tmp, "weliketo=party"); + + options_sl = + get_options_from_transport_options_line("rook ladi=dadi weliketo=party", + NULL); + test_assert(options_sl); + test_assert(smartlist_strings_eq(options_sl, sl_tmp)); + + SMARTLIST_FOREACH(sl_tmp, char *, s, tor_free(s)); + smartlist_free(sl_tmp); + sl_tmp = NULL; + SMARTLIST_FOREACH(options_sl, char *, s, tor_free(s)); + smartlist_free(options_sl); + options_sl = NULL; + } + + { /* correct -- correct transport specified */ + sl_tmp = smartlist_new(); + smartlist_add_asprintf(sl_tmp, "ladi=dadi"); + smartlist_add_asprintf(sl_tmp, "weliketo=party"); + + options_sl = + get_options_from_transport_options_line("rook ladi=dadi weliketo=party", + "rook"); + test_assert(options_sl); + test_assert(smartlist_strings_eq(options_sl, sl_tmp)); + SMARTLIST_FOREACH(sl_tmp, char *, s, tor_free(s)); + smartlist_free(sl_tmp); + sl_tmp = NULL; + SMARTLIST_FOREACH(options_sl, char *, s, tor_free(s)); + smartlist_free(options_sl); + options_sl = NULL; + } + + done: + if (options_sl) { + SMARTLIST_FOREACH(options_sl, char *, s, tor_free(s)); + smartlist_free(options_sl); + } + if (sl_tmp) { + SMARTLIST_FOREACH(sl_tmp, char *, s, tor_free(s)); + smartlist_free(sl_tmp); + } +} + +// Tests if an options with MyFamily fingerprints missing '$' normalises +// them correctly and also ensure it also works with multiple fingerprints +static void +test_config_fix_my_family(void *arg) +{ + char *err = NULL; + const char *family = "$1111111111111111111111111111111111111111, " + "1111111111111111111111111111111111111112, " + "$1111111111111111111111111111111111111113"; + + or_options_t* options = options_new(); + or_options_t* defaults = options_new(); + (void) arg; + + options_init(options); + options_init(defaults); + options->MyFamily = tor_strdup(family); + + options_validate(NULL, options, defaults, 0, &err) ; + + if (err != NULL) { + TT_FAIL(("options_validate failed: %s", err)); + } + + test_streq(options->MyFamily, "$1111111111111111111111111111111111111111, " + "$1111111111111111111111111111111111111112, " + "$1111111111111111111111111111111111111113"); + + done: + if (err != NULL) { + tor_free(err); + } + + or_options_free(options); + or_options_free(defaults); +} + #define CONFIG_TEST(name, flags) \ { #name, test_config_ ## name, flags, NULL, NULL } struct testcase_t config_tests[] = { CONFIG_TEST(addressmap, 0), + CONFIG_TEST(parse_bridge_line, 0), + CONFIG_TEST(parse_transport_options_line, 0), + CONFIG_TEST(check_or_create_data_subdir, TT_FORK), + CONFIG_TEST(write_to_data_subdir, TT_FORK), + CONFIG_TEST(fix_my_family, 0), END_OF_TESTCASES }; 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