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author | Nick Mathewson <nickm@torproject.org> | 2009-09-22 12:31:15 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2009-09-23 00:24:43 -0400 |
commit | da1aa66f70f3ed1e5376baef053a0c76f33cc7d8 (patch) | |
tree | 3f73a0bda1b38ca705cc6f73fa49b756e472fbb8 /src/test/test.c | |
parent | d4b54549b83bbbfeb9c1d7d843ea244eed389c61 (diff) | |
download | tor-da1aa66f70f3ed1e5376baef053a0c76f33cc7d8.tar tor-da1aa66f70f3ed1e5376baef053a0c76f33cc7d8.tar.gz |
Move testing code into new src/test directory.
Diffstat (limited to 'src/test/test.c')
-rw-r--r-- | src/test/test.c | 5189 |
1 files changed, 5189 insertions, 0 deletions
diff --git a/src/test/test.c b/src/test/test.c new file mode 100644 index 000000000..1af037ef5 --- /dev/null +++ b/src/test/test.c @@ -0,0 +1,5189 @@ +/* Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2009, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +/* Ordinarily defined in tor_main.c; this bit is just here to provide one + * since we're not linking to tor_main.c */ +const char tor_git_revision[] = ""; + +/** + * \file test.c + * \brief Unit tests for many pieces of the lower level Tor modules. + **/ + +#include "orconfig.h" + +#include <stdio.h> +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif + +#ifdef MS_WINDOWS +/* For mkdir() */ +#include <direct.h> +#else +#include <dirent.h> +#endif + +/* These macros pull in declarations for some functions and structures that + * are typically file-private. */ +#define BUFFERS_PRIVATE +#define CONFIG_PRIVATE +#define CONTROL_PRIVATE +#define CRYPTO_PRIVATE +#define DIRSERV_PRIVATE +#define DIRVOTE_PRIVATE +#define GEOIP_PRIVATE +#define MEMPOOL_PRIVATE +#define ROUTER_PRIVATE +#define CIRCUIT_PRIVATE + +/* + * Linux doesn't provide lround in math.h by default, but mac os does... + * It's best just to leave math.h out of the picture entirely. + */ +//#include <math.h> +long int lround(double x); +double fabs(double x); + +#include "or.h" +#include "test.h" +#include "torgzip.h" +#include "mempool.h" +#include "memarea.h" + +#ifdef USE_DMALLOC +#include <dmalloc.h> +#include <openssl/crypto.h> +#endif + +/** Set to true if any unit test has failed. Mostly, this is set by the macros + * in test.h */ +int have_failed = 0; + +/** Temporary directory (set up by setup_directory) under which we store all + * our files during testing. */ +static char temp_dir[256]; + +/** Select and create the temporary directory we'll use to run our unit tests. + * Store it in <b>temp_dir</b>. Exit immediately if we can't create it. + * idempotent. */ +static void +setup_directory(void) +{ + static int is_setup = 0; + int r; + if (is_setup) return; + +#ifdef MS_WINDOWS + // XXXX + tor_snprintf(temp_dir, sizeof(temp_dir), + "c:\\windows\\temp\\tor_test_%d", (int)getpid()); + r = mkdir(temp_dir); +#else + tor_snprintf(temp_dir, sizeof(temp_dir), "/tmp/tor_test_%d", (int) getpid()); + r = mkdir(temp_dir, 0700); +#endif + if (r) { + fprintf(stderr, "Can't create directory %s:", temp_dir); + perror(""); + exit(1); + } + is_setup = 1; +} + +/** Return a filename relative to our testing temporary directory */ +static const char * +get_fname(const char *name) +{ + static char buf[1024]; + setup_directory(); + tor_snprintf(buf,sizeof(buf),"%s/%s",temp_dir,name); + return buf; +} + +/** Remove all files stored under the temporary directory, and the directory + * itself. */ +static void +remove_directory(void) +{ + smartlist_t *elements = tor_listdir(temp_dir); + if (elements) { + SMARTLIST_FOREACH(elements, const char *, cp, + { + size_t len = strlen(cp)+strlen(temp_dir)+16; + char *tmp = tor_malloc(len); + tor_snprintf(tmp, len, "%s"PATH_SEPARATOR"%s", temp_dir, cp); + unlink(tmp); + tor_free(tmp); + }); + SMARTLIST_FOREACH(elements, char *, cp, tor_free(cp)); + smartlist_free(elements); + } + rmdir(temp_dir); +} + +/** Define this if unit tests spend too much time generating public keys*/ +#undef CACHE_GENERATED_KEYS + +static crypto_pk_env_t *pregen_keys[5] = {NULL, NULL, NULL, NULL, NULL}; +#define N_PREGEN_KEYS ((int)(sizeof(pregen_keys)/sizeof(pregen_keys[0]))) + +/** Generate and return a new keypair for use in unit tests. If we're using + * the key cache optimization, we might reuse keys: we only guarantee that + * keys made with distinct values for <b>idx</b> are different. The value of + * <b>idx</b> must be at least 0, and less than N_PREGEN_KEYS. */ +static crypto_pk_env_t * +pk_generate(int idx) +{ +#ifdef CACHE_GENERATED_KEYS + tor_assert(idx < N_PREGEN_KEYS); + if (! pregen_keys[idx]) { + pregen_keys[idx] = crypto_new_pk_env(); + tor_assert(!crypto_pk_generate_key(pregen_keys[idx])); + } + return crypto_pk_dup_key(pregen_keys[idx]); +#else + crypto_pk_env_t *result; + (void) idx; + result = crypto_new_pk_env(); + tor_assert(!crypto_pk_generate_key(result)); + return result; +#endif +} + +/** Free all storage used for the cached key optimization. */ +static void +free_pregenerated_keys(void) +{ + unsigned idx; + for (idx = 0; idx < N_PREGEN_KEYS; ++idx) { + if (pregen_keys[idx]) { + crypto_free_pk_env(pregen_keys[idx]); + pregen_keys[idx] = NULL; + } + } +} + +/** Run unit tests for buffers.c */ +static void +test_buffers(void) +{ + char str[256]; + char str2[256]; + + buf_t *buf = NULL, *buf2 = NULL; + const char *cp; + + int j; + size_t r; + + /**** + * buf_new + ****/ + if (!(buf = buf_new())) + test_fail(); + + //test_eq(buf_capacity(buf), 4096); + test_eq(buf_datalen(buf), 0); + + /**** + * General pointer frobbing + */ + for (j=0;j<256;++j) { + str[j] = (char)j; + } + write_to_buf(str, 256, buf); + write_to_buf(str, 256, buf); + test_eq(buf_datalen(buf), 512); + fetch_from_buf(str2, 200, buf); + test_memeq(str, str2, 200); + test_eq(buf_datalen(buf), 312); + memset(str2, 0, sizeof(str2)); + + fetch_from_buf(str2, 256, buf); + test_memeq(str+200, str2, 56); + test_memeq(str, str2+56, 200); + test_eq(buf_datalen(buf), 56); + memset(str2, 0, sizeof(str2)); + /* Okay, now we should be 512 bytes into the 4096-byte buffer. If we add + * another 3584 bytes, we hit the end. */ + for (j=0;j<15;++j) { + write_to_buf(str, 256, buf); + } + assert_buf_ok(buf); + test_eq(buf_datalen(buf), 3896); + fetch_from_buf(str2, 56, buf); + test_eq(buf_datalen(buf), 3840); + test_memeq(str+200, str2, 56); + for (j=0;j<15;++j) { + memset(str2, 0, sizeof(str2)); + fetch_from_buf(str2, 256, buf); + test_memeq(str, str2, 256); + } + test_eq(buf_datalen(buf), 0); + buf_free(buf); + buf = NULL; + + /* Okay, now make sure growing can work. */ + buf = buf_new_with_capacity(16); + //test_eq(buf_capacity(buf), 16); + write_to_buf(str+1, 255, buf); + //test_eq(buf_capacity(buf), 256); + fetch_from_buf(str2, 254, buf); + test_memeq(str+1, str2, 254); + //test_eq(buf_capacity(buf), 256); + assert_buf_ok(buf); + write_to_buf(str, 32, buf); + //test_eq(buf_capacity(buf), 256); + assert_buf_ok(buf); + write_to_buf(str, 256, buf); + assert_buf_ok(buf); + //test_eq(buf_capacity(buf), 512); + test_eq(buf_datalen(buf), 33+256); + fetch_from_buf(str2, 33, buf); + test_eq(*str2, str[255]); + + test_memeq(str2+1, str, 32); + //test_eq(buf_capacity(buf), 512); + test_eq(buf_datalen(buf), 256); + fetch_from_buf(str2, 256, buf); + test_memeq(str, str2, 256); + + /* now try shrinking: case 1. */ + buf_free(buf); + buf = buf_new_with_capacity(33668); + for (j=0;j<67;++j) { + write_to_buf(str,255, buf); + } + //test_eq(buf_capacity(buf), 33668); + test_eq(buf_datalen(buf), 17085); + for (j=0; j < 40; ++j) { + fetch_from_buf(str2, 255,buf); + test_memeq(str2, str, 255); + } + + /* now try shrinking: case 2. */ + buf_free(buf); + buf = buf_new_with_capacity(33668); + for (j=0;j<67;++j) { + write_to_buf(str,255, buf); + } + for (j=0; j < 20; ++j) { + fetch_from_buf(str2, 255,buf); + test_memeq(str2, str, 255); + } + for (j=0;j<80;++j) { + write_to_buf(str,255, buf); + } + //test_eq(buf_capacity(buf),33668); + for (j=0; j < 120; ++j) { + fetch_from_buf(str2, 255,buf); + test_memeq(str2, str, 255); + } + + /* Move from buf to buf. */ + buf_free(buf); + buf = buf_new_with_capacity(4096); + buf2 = buf_new_with_capacity(4096); + for (j=0;j<100;++j) + write_to_buf(str, 255, buf); + test_eq(buf_datalen(buf), 25500); + for (j=0;j<100;++j) { + r = 10; + move_buf_to_buf(buf2, buf, &r); + test_eq(r, 0); + } + test_eq(buf_datalen(buf), 24500); + test_eq(buf_datalen(buf2), 1000); + for (j=0;j<3;++j) { + fetch_from_buf(str2, 255, buf2); + test_memeq(str2, str, 255); + } + r = 8192; /*big move*/ + move_buf_to_buf(buf2, buf, &r); + test_eq(r, 0); + r = 30000; /* incomplete move */ + move_buf_to_buf(buf2, buf, &r); + test_eq(r, 13692); + for (j=0;j<97;++j) { + fetch_from_buf(str2, 255, buf2); + test_memeq(str2, str, 255); + } + buf_free(buf); + buf_free(buf2); + buf = buf2 = NULL; + + buf = buf_new_with_capacity(5); + cp = "Testing. This is a moderately long Testing string."; + for (j = 0; cp[j]; j++) + write_to_buf(cp+j, 1, buf); + test_eq(0, buf_find_string_offset(buf, "Testing", 7)); + test_eq(1, buf_find_string_offset(buf, "esting", 6)); + test_eq(1, buf_find_string_offset(buf, "est", 3)); + test_eq(39, buf_find_string_offset(buf, "ing str", 7)); + test_eq(35, buf_find_string_offset(buf, "Testing str", 11)); + test_eq(32, buf_find_string_offset(buf, "ng ", 3)); + test_eq(43, buf_find_string_offset(buf, "string.", 7)); + test_eq(-1, buf_find_string_offset(buf, "shrdlu", 6)); + test_eq(-1, buf_find_string_offset(buf, "Testing thing", 13)); + test_eq(-1, buf_find_string_offset(buf, "ngx", 3)); + buf_free(buf); + buf = NULL; + +#if 0 + { + int s; + int eof; + int i; + buf_t *buf2; + /**** + * read_to_buf + ****/ + s = open(get_fname("data"), O_WRONLY|O_CREAT|O_TRUNC, 0600); + write(s, str, 256); + close(s); + + s = open(get_fname("data"), O_RDONLY, 0); + eof = 0; + errno = 0; /* XXXX */ + i = read_to_buf(s, 10, buf, &eof); + printf("%s\n", strerror(errno)); + test_eq(i, 10); + test_eq(eof, 0); + //test_eq(buf_capacity(buf), 4096); + test_eq(buf_datalen(buf), 10); + + test_memeq(str, (char*)_buf_peek_raw_buffer(buf), 10); + + /* Test reading 0 bytes. */ + i = read_to_buf(s, 0, buf, &eof); + //test_eq(buf_capacity(buf), 512*1024); + test_eq(buf_datalen(buf), 10); + test_eq(eof, 0); + test_eq(i, 0); + + /* Now test when buffer is filled exactly. */ + buf2 = buf_new_with_capacity(6); + i = read_to_buf(s, 6, buf2, &eof); + //test_eq(buf_capacity(buf2), 6); + test_eq(buf_datalen(buf2), 6); + test_eq(eof, 0); + test_eq(i, 6); + test_memeq(str+10, (char*)_buf_peek_raw_buffer(buf2), 6); + buf_free(buf2); + buf2 = NULL; + + /* Now test when buffer is filled with more data to read. */ + buf2 = buf_new_with_capacity(32); + i = read_to_buf(s, 128, buf2, &eof); + //test_eq(buf_capacity(buf2), 128); + test_eq(buf_datalen(buf2), 32); + test_eq(eof, 0); + test_eq(i, 32); + buf_free(buf2); + buf2 = NULL; + + /* Now read to eof. */ + test_assert(buf_capacity(buf) > 256); + i = read_to_buf(s, 1024, buf, &eof); + test_eq(i, (256-32-10-6)); + test_eq(buf_capacity(buf), MAX_BUF_SIZE); + test_eq(buf_datalen(buf), 256-6-32); + test_memeq(str, (char*)_buf_peek_raw_buffer(buf), 10); /* XXX Check rest. */ + test_eq(eof, 0); + + i = read_to_buf(s, 1024, buf, &eof); + test_eq(i, 0); + test_eq(buf_capacity(buf), MAX_BUF_SIZE); + test_eq(buf_datalen(buf), 256-6-32); + test_eq(eof, 1); + } +#endif + + done: + if (buf) + buf_free(buf); + if (buf2) + buf_free(buf2); +} + +/** Run unit tests for Diffie-Hellman functionality. */ +static void +test_crypto_dh(void) +{ + crypto_dh_env_t *dh1 = crypto_dh_new(); + crypto_dh_env_t *dh2 = crypto_dh_new(); + char p1[DH_BYTES]; + char p2[DH_BYTES]; + char s1[DH_BYTES]; + char s2[DH_BYTES]; + ssize_t s1len, s2len; + + test_eq(crypto_dh_get_bytes(dh1), DH_BYTES); + test_eq(crypto_dh_get_bytes(dh2), DH_BYTES); + + memset(p1, 0, DH_BYTES); + memset(p2, 0, DH_BYTES); + test_memeq(p1, p2, DH_BYTES); + test_assert(! crypto_dh_get_public(dh1, p1, DH_BYTES)); + test_memneq(p1, p2, DH_BYTES); + test_assert(! crypto_dh_get_public(dh2, p2, DH_BYTES)); + test_memneq(p1, p2, DH_BYTES); + + memset(s1, 0, DH_BYTES); + memset(s2, 0xFF, DH_BYTES); + s1len = crypto_dh_compute_secret(dh1, p2, DH_BYTES, s1, 50); + s2len = crypto_dh_compute_secret(dh2, p1, DH_BYTES, s2, 50); + test_assert(s1len > 0); + test_eq(s1len, s2len); + test_memeq(s1, s2, s1len); + + { + /* XXXX Now fabricate some bad values and make sure they get caught, + * Check 0, 1, N-1, >= N, etc. + */ + } + + done: + crypto_dh_free(dh1); + crypto_dh_free(dh2); +} + +/** Run unit tests for our random number generation function and its wrappers. + */ +static void +test_crypto_rng(void) +{ + int i, j, allok; + char data1[100], data2[100]; + + /* Try out RNG. */ + test_assert(! crypto_seed_rng(0)); + crypto_rand(data1, 100); + crypto_rand(data2, 100); + test_memneq(data1,data2,100); + allok = 1; + for (i = 0; i < 100; ++i) { + uint64_t big; + char *host; + j = crypto_rand_int(100); + if (i < 0 || i >= 100) + allok = 0; + big = crypto_rand_uint64(U64_LITERAL(1)<<40); + if (big >= (U64_LITERAL(1)<<40)) + allok = 0; + big = crypto_rand_uint64(U64_LITERAL(5)); + if (big >= 5) + allok = 0; + host = crypto_random_hostname(3,8,"www.",".onion"); + if (strcmpstart(host,"www.") || + strcmpend(host,".onion") || + strlen(host) < 13 || + strlen(host) > 18) + allok = 0; + tor_free(host); + } + test_assert(allok); + done: + ; +} + +/** Run unit tests for our AES functionality */ +static void +test_crypto_aes(void) +{ + char *data1 = NULL, *data2 = NULL, *data3 = NULL; + crypto_cipher_env_t *env1 = NULL, *env2 = NULL; + int i, j; + + data1 = tor_malloc(1024); + data2 = tor_malloc(1024); + data3 = tor_malloc(1024); + + /* Now, test encryption and decryption with stream cipher. */ + data1[0]='\0'; + for (i = 1023; i>0; i -= 35) + strncat(data1, "Now is the time for all good onions", i); + + memset(data2, 0, 1024); + memset(data3, 0, 1024); + env1 = crypto_new_cipher_env(); + test_neq(env1, 0); + env2 = crypto_new_cipher_env(); + test_neq(env2, 0); + j = crypto_cipher_generate_key(env1); + crypto_cipher_set_key(env2, crypto_cipher_get_key(env1)); + crypto_cipher_encrypt_init_cipher(env1); + crypto_cipher_decrypt_init_cipher(env2); + + /* Try encrypting 512 chars. */ + crypto_cipher_encrypt(env1, data2, data1, 512); + crypto_cipher_decrypt(env2, data3, data2, 512); + test_memeq(data1, data3, 512); + test_memneq(data1, data2, 512); + + /* Now encrypt 1 at a time, and get 1 at a time. */ + for (j = 512; j < 560; ++j) { + crypto_cipher_encrypt(env1, data2+j, data1+j, 1); + } + for (j = 512; j < 560; ++j) { + crypto_cipher_decrypt(env2, data3+j, data2+j, 1); + } + test_memeq(data1, data3, 560); + /* Now encrypt 3 at a time, and get 5 at a time. */ + for (j = 560; j < 1024-5; j += 3) { + crypto_cipher_encrypt(env1, data2+j, data1+j, 3); + } + for (j = 560; j < 1024-5; j += 5) { + crypto_cipher_decrypt(env2, data3+j, data2+j, 5); + } + test_memeq(data1, data3, 1024-5); + /* Now make sure that when we encrypt with different chunk sizes, we get + the same results. */ + crypto_free_cipher_env(env2); + env2 = NULL; + + memset(data3, 0, 1024); + env2 = crypto_new_cipher_env(); + test_neq(env2, 0); + crypto_cipher_set_key(env2, crypto_cipher_get_key(env1)); + crypto_cipher_encrypt_init_cipher(env2); + for (j = 0; j < 1024-16; j += 17) { + crypto_cipher_encrypt(env2, data3+j, data1+j, 17); + } + for (j= 0; j < 1024-16; ++j) { + if (data2[j] != data3[j]) { + printf("%d: %d\t%d\n", j, (int) data2[j], (int) data3[j]); + } + } + test_memeq(data2, data3, 1024-16); + crypto_free_cipher_env(env1); + env1 = NULL; + crypto_free_cipher_env(env2); + env2 = NULL; + + /* NIST test vector for aes. */ + env1 = crypto_new_cipher_env(); /* IV starts at 0 */ + crypto_cipher_set_key(env1, "\x80\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00"); + crypto_cipher_encrypt_init_cipher(env1); + crypto_cipher_encrypt(env1, data1, + "\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00", 16); + test_memeq_hex(data1, "0EDD33D3C621E546455BD8BA1418BEC8"); + + /* Now test rollover. All these values are originally from a python + * script. */ + crypto_cipher_set_iv(env1, "\x00\x00\x00\x00\x00\x00\x00\x00" + "\xff\xff\xff\xff\xff\xff\xff\xff"); + memset(data2, 0, 1024); + crypto_cipher_encrypt(env1, data1, data2, 32); + test_memeq_hex(data1, "335fe6da56f843199066c14a00a40231" + "cdd0b917dbc7186908a6bfb5ffd574d3"); + + crypto_cipher_set_iv(env1, "\x00\x00\x00\x00\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff"); + memset(data2, 0, 1024); + crypto_cipher_encrypt(env1, data1, data2, 32); + test_memeq_hex(data1, "e627c6423fa2d77832a02b2794094b73" + "3e63c721df790d2c6469cc1953a3ffac"); + + crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff"); + memset(data2, 0, 1024); + crypto_cipher_encrypt(env1, data1, data2, 32); + test_memeq_hex(data1, "2aed2bff0de54f9328efd070bf48f70a" + "0EDD33D3C621E546455BD8BA1418BEC8"); + + /* Now check rollover on inplace cipher. */ + crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff"); + crypto_cipher_crypt_inplace(env1, data2, 64); + test_memeq_hex(data2, "2aed2bff0de54f9328efd070bf48f70a" + "0EDD33D3C621E546455BD8BA1418BEC8" + "93e2c5243d6839eac58503919192f7ae" + "1908e67cafa08d508816659c2e693191"); + crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff" + "\xff\xff\xff\xff\xff\xff\xff\xff"); + crypto_cipher_crypt_inplace(env1, data2, 64); + test_assert(tor_mem_is_zero(data2, 64)); + + done: + if (env1) + crypto_free_cipher_env(env1); + if (env2) + crypto_free_cipher_env(env2); + tor_free(data1); + tor_free(data2); + tor_free(data3); +} + +/** Run unit tests for our SHA-1 functionality */ +static void +test_crypto_sha(void) +{ + crypto_digest_env_t *d1 = NULL, *d2 = NULL; + int i; + char key[80]; + char digest[32]; + char data[50]; + char d_out1[DIGEST_LEN], d_out2[DIGEST256_LEN]; + + /* Test SHA-1 with a test vector from the specification. */ + i = crypto_digest(data, "abc", 3); + test_memeq_hex(data, "A9993E364706816ABA3E25717850C26C9CD0D89D"); + + /* Test SHA-256 with a test vector from the specification. */ + i = crypto_digest256(data, "abc", 3, DIGEST_SHA256); + test_memeq_hex(data, "BA7816BF8F01CFEA414140DE5DAE2223B00361A3" + "96177A9CB410FF61F20015AD"); + + /* Test HMAC-SHA-1 with test cases from RFC2202. */ + + /* Case 1. */ + memset(key, 0x0b, 20); + crypto_hmac_sha1(digest, key, 20, "Hi There", 8); + test_streq(hex_str(digest, 20), + "B617318655057264E28BC0B6FB378C8EF146BE00"); + /* Case 2. */ + crypto_hmac_sha1(digest, "Jefe", 4, "what do ya want for nothing?", 28); + test_streq(hex_str(digest, 20), + "EFFCDF6AE5EB2FA2D27416D5F184DF9C259A7C79"); + + /* Case 4. */ + base16_decode(key, 25, + "0102030405060708090a0b0c0d0e0f10111213141516171819", 50); + memset(data, 0xcd, 50); + crypto_hmac_sha1(digest, key, 25, data, 50); + test_streq(hex_str(digest, 20), + "4C9007F4026250C6BC8414F9BF50C86C2D7235DA"); + + /* Case 5. */ + memset(key, 0xaa, 80); + crypto_hmac_sha1(digest, key, 80, + "Test Using Larger Than Block-Size Key - Hash Key First", + 54); + test_streq(hex_str(digest, 20), + "AA4AE5E15272D00E95705637CE8A3B55ED402112"); + + /* Incremental digest code. */ + d1 = crypto_new_digest_env(); + test_assert(d1); + crypto_digest_add_bytes(d1, "abcdef", 6); + d2 = crypto_digest_dup(d1); + test_assert(d2); + crypto_digest_add_bytes(d2, "ghijkl", 6); + crypto_digest_get_digest(d2, d_out1, sizeof(d_out1)); + crypto_digest(d_out2, "abcdefghijkl", 12); + test_memeq(d_out1, d_out2, DIGEST_LEN); + crypto_digest_assign(d2, d1); + crypto_digest_add_bytes(d2, "mno", 3); + crypto_digest_get_digest(d2, d_out1, sizeof(d_out1)); + crypto_digest(d_out2, "abcdefmno", 9); + test_memeq(d_out1, d_out2, DIGEST_LEN); + crypto_digest_get_digest(d1, d_out1, sizeof(d_out1)); + crypto_digest(d_out2, "abcdef", 6); + test_memeq(d_out1, d_out2, DIGEST_LEN); + crypto_free_digest_env(d1); + crypto_free_digest_env(d2); + + /* Incremental digest code with sha256 */ + d1 = crypto_new_digest256_env(DIGEST_SHA256); + test_assert(d1); + crypto_digest_add_bytes(d1, "abcdef", 6); + d2 = crypto_digest_dup(d1); + test_assert(d2); + crypto_digest_add_bytes(d2, "ghijkl", 6); + crypto_digest_get_digest(d2, d_out1, sizeof(d_out1)); + crypto_digest256(d_out2, "abcdefghijkl", 12, DIGEST_SHA256); + test_memeq(d_out1, d_out2, DIGEST_LEN); + crypto_digest_assign(d2, d1); + crypto_digest_add_bytes(d2, "mno", 3); + crypto_digest_get_digest(d2, d_out1, sizeof(d_out1)); + crypto_digest256(d_out2, "abcdefmno", 9, DIGEST_SHA256); + test_memeq(d_out1, d_out2, DIGEST_LEN); + crypto_digest_get_digest(d1, d_out1, sizeof(d_out1)); + crypto_digest256(d_out2, "abcdef", 6, DIGEST_SHA256); + test_memeq(d_out1, d_out2, DIGEST_LEN); + + done: + if (d1) + crypto_free_digest_env(d1); + if (d2) + crypto_free_digest_env(d2); +} + +/** Run unit tests for our public key crypto functions */ +static void +test_crypto_pk(void) +{ + crypto_pk_env_t *pk1 = NULL, *pk2 = NULL; + char *encoded = NULL; + char data1[1024], data2[1024], data3[1024]; + size_t size; + int i, j, p, len; + + /* Public-key ciphers */ + pk1 = pk_generate(0); + pk2 = crypto_new_pk_env(); + test_assert(pk1 && pk2); + test_assert(! crypto_pk_write_public_key_to_string(pk1, &encoded, &size)); + test_assert(! crypto_pk_read_public_key_from_string(pk2, encoded, size)); + test_eq(0, crypto_pk_cmp_keys(pk1, pk2)); + + test_eq(128, crypto_pk_keysize(pk1)); + test_eq(128, crypto_pk_keysize(pk2)); + + test_eq(128, crypto_pk_public_encrypt(pk2, data1, "Hello whirled.", 15, + PK_PKCS1_OAEP_PADDING)); + test_eq(128, crypto_pk_public_encrypt(pk1, data2, "Hello whirled.", 15, + PK_PKCS1_OAEP_PADDING)); + /* oaep padding should make encryption not match */ + test_memneq(data1, data2, 128); + test_eq(15, crypto_pk_private_decrypt(pk1, data3, data1, 128, + PK_PKCS1_OAEP_PADDING,1)); + test_streq(data3, "Hello whirled."); + memset(data3, 0, 1024); + test_eq(15, crypto_pk_private_decrypt(pk1, data3, data2, 128, + PK_PKCS1_OAEP_PADDING,1)); + test_streq(data3, "Hello whirled."); + /* Can't decrypt with public key. */ + test_eq(-1, crypto_pk_private_decrypt(pk2, data3, data2, 128, + PK_PKCS1_OAEP_PADDING,1)); + /* Try again with bad padding */ + memcpy(data2+1, "XYZZY", 5); /* This has fails ~ once-in-2^40 */ + test_eq(-1, crypto_pk_private_decrypt(pk1, data3, data2, 128, + PK_PKCS1_OAEP_PADDING,1)); + + /* File operations: save and load private key */ + test_assert(! crypto_pk_write_private_key_to_filename(pk1, + get_fname("pkey1"))); + /* failing case for read: can't read. */ + test_assert(crypto_pk_read_private_key_from_filename(pk2, + get_fname("xyzzy")) < 0); + write_str_to_file(get_fname("xyzzy"), "foobar", 6); + /* Failing case for read: no key. */ + test_assert(crypto_pk_read_private_key_from_filename(pk2, + get_fname("xyzzy")) < 0); + test_assert(! crypto_pk_read_private_key_from_filename(pk2, + get_fname("pkey1"))); + test_eq(15, crypto_pk_private_decrypt(pk2, data3, data1, 128, + PK_PKCS1_OAEP_PADDING,1)); + + /* Now try signing. */ + strlcpy(data1, "Ossifrage", 1024); + test_eq(128, crypto_pk_private_sign(pk1, data2, data1, 10)); + test_eq(10, crypto_pk_public_checksig(pk1, data3, data2, 128)); + test_streq(data3, "Ossifrage"); + /* Try signing digests. */ + test_eq(128, crypto_pk_private_sign_digest(pk1, data2, data1, 10)); + test_eq(20, crypto_pk_public_checksig(pk1, data3, data2, 128)); + test_eq(0, crypto_pk_public_checksig_digest(pk1, data1, 10, data2, 128)); + test_eq(-1, crypto_pk_public_checksig_digest(pk1, data1, 11, data2, 128)); + /*XXXX test failed signing*/ + + /* Try encoding */ + crypto_free_pk_env(pk2); + pk2 = NULL; + i = crypto_pk_asn1_encode(pk1, data1, 1024); + test_assert(i>0); + pk2 = crypto_pk_asn1_decode(data1, i); + test_assert(crypto_pk_cmp_keys(pk1,pk2) == 0); + + /* Try with hybrid encryption wrappers. */ + crypto_rand(data1, 1024); + for (i = 0; i < 3; ++i) { + for (j = 85; j < 140; ++j) { + memset(data2,0,1024); + memset(data3,0,1024); + if (i == 0 && j < 129) + continue; + p = (i==0)?PK_NO_PADDING: + (i==1)?PK_PKCS1_PADDING:PK_PKCS1_OAEP_PADDING; + len = crypto_pk_public_hybrid_encrypt(pk1,data2,data1,j,p,0); + test_assert(len>=0); + len = crypto_pk_private_hybrid_decrypt(pk1,data3,data2,len,p,1); + test_eq(len,j); + test_memeq(data1,data3,j); + } + } + + /* Try copy_full */ + crypto_free_pk_env(pk2); + pk2 = crypto_pk_copy_full(pk1); + test_assert(pk2 != NULL); + test_neq_ptr(pk1, pk2); + test_assert(crypto_pk_cmp_keys(pk1,pk2) == 0); + + done: + if (pk1) + crypto_free_pk_env(pk1); + if (pk2) + crypto_free_pk_env(pk2); + tor_free(encoded); +} + +/** Run unit tests for misc crypto functionality. */ +static void +test_crypto(void) +{ + char *data1 = NULL, *data2 = NULL, *data3 = NULL; + int i, j, idx; + + data1 = tor_malloc(1024); + data2 = tor_malloc(1024); + data3 = tor_malloc(1024); + test_assert(data1 && data2 && data3); + + /* Base64 tests */ + memset(data1, 6, 1024); + for (idx = 0; idx < 10; ++idx) { + i = base64_encode(data2, 1024, data1, idx); + test_assert(i >= 0); + j = base64_decode(data3, 1024, data2, i); + test_eq(j,idx); + test_memeq(data3, data1, idx); + } + + strlcpy(data1, "Test string that contains 35 chars.", 1024); + strlcat(data1, " 2nd string that contains 35 chars.", 1024); + + i = base64_encode(data2, 1024, data1, 71); + j = base64_decode(data3, 1024, data2, i); + test_eq(j, 71); + test_streq(data3, data1); + test_assert(data2[i] == '\0'); + + crypto_rand(data1, DIGEST_LEN); + memset(data2, 100, 1024); + digest_to_base64(data2, data1); + test_eq(BASE64_DIGEST_LEN, strlen(data2)); + test_eq(100, data2[BASE64_DIGEST_LEN+2]); + memset(data3, 99, 1024); + test_eq(digest_from_base64(data3, data2), 0); + test_memeq(data1, data3, DIGEST_LEN); + test_eq(99, data3[DIGEST_LEN+1]); + + test_assert(digest_from_base64(data3, "###") < 0); + + /* Base32 tests */ + strlcpy(data1, "5chrs", 1024); + /* bit pattern is: [35 63 68 72 73] -> + * [00110101 01100011 01101000 01110010 01110011] + * By 5s: [00110 10101 10001 10110 10000 11100 10011 10011] + */ + base32_encode(data2, 9, data1, 5); + test_streq(data2, "gvrwq4tt"); + + strlcpy(data1, "\xFF\xF5\x6D\x44\xAE\x0D\x5C\xC9\x62\xC4", 1024); + base32_encode(data2, 30, data1, 10); + test_streq(data2, "772w2rfobvomsywe"); + + /* Base16 tests */ + strlcpy(data1, "6chrs\xff", 1024); + base16_encode(data2, 13, data1, 6); + test_streq(data2, "3663687273FF"); + + strlcpy(data1, "f0d678affc000100", 1024); + i = base16_decode(data2, 8, data1, 16); + test_eq(i,0); + test_memeq(data2, "\xf0\xd6\x78\xaf\xfc\x00\x01\x00",8); + + /* now try some failing base16 decodes */ + test_eq(-1, base16_decode(data2, 8, data1, 15)); /* odd input len */ + test_eq(-1, base16_decode(data2, 7, data1, 16)); /* dest too short */ + strlcpy(data1, "f0dz!8affc000100", 1024); + test_eq(-1, base16_decode(data2, 8, data1, 16)); + + tor_free(data1); + tor_free(data2); + tor_free(data3); + + /* Add spaces to fingerprint */ + { + data1 = tor_strdup("ABCD1234ABCD56780000ABCD1234ABCD56780000"); + test_eq(strlen(data1), 40); + data2 = tor_malloc(FINGERPRINT_LEN+1); + add_spaces_to_fp(data2, FINGERPRINT_LEN+1, data1); + test_streq(data2, "ABCD 1234 ABCD 5678 0000 ABCD 1234 ABCD 5678 0000"); + tor_free(data1); + tor_free(data2); + } + + /* Check fingerprint */ + { + test_assert(crypto_pk_check_fingerprint_syntax( + "ABCD 1234 ABCD 5678 0000 ABCD 1234 ABCD 5678 0000")); + test_assert(!crypto_pk_check_fingerprint_syntax( + "ABCD 1234 ABCD 5678 0000 ABCD 1234 ABCD 5678 000")); + test_assert(!crypto_pk_check_fingerprint_syntax( + "ABCD 1234 ABCD 5678 0000 ABCD 1234 ABCD 5678 00000")); + test_assert(!crypto_pk_check_fingerprint_syntax( + "ABCD 1234 ABCD 5678 0000 ABCD1234 ABCD 5678 0000")); + test_assert(!crypto_pk_check_fingerprint_syntax( + "ABCD 1234 ABCD 5678 0000 ABCD1234 ABCD 5678 00000")); + test_assert(!crypto_pk_check_fingerprint_syntax( + "ACD 1234 ABCD 5678 0000 ABCD 1234 ABCD 5678 00000")); + } + + done: + tor_free(data1); + tor_free(data2); + tor_free(data3); +} + +/** Run unit tests for our secret-to-key passphrase hashing functionality. */ +static void +test_crypto_s2k(void) +{ + char buf[29]; + char buf2[29]; + char *buf3 = NULL; + int i; + + memset(buf, 0, sizeof(buf)); + memset(buf2, 0, sizeof(buf2)); + buf3 = tor_malloc(65536); + memset(buf3, 0, 65536); + + secret_to_key(buf+9, 20, "", 0, buf); + crypto_digest(buf2+9, buf3, 1024); + test_memeq(buf, buf2, 29); + + memcpy(buf,"vrbacrda",8); + memcpy(buf2,"vrbacrda",8); + buf[8] = 96; + buf2[8] = 96; + secret_to_key(buf+9, 20, "12345678", 8, buf); + for (i = 0; i < 65536; i += 16) { + memcpy(buf3+i, "vrbacrda12345678", 16); + } + crypto_digest(buf2+9, buf3, 65536); + test_memeq(buf, buf2, 29); + + done: + tor_free(buf3); +} + +/** Helper: return a tristate based on comparing the strings in *<b>a</b> and + * *<b>b</b>. */ +static int +_compare_strs(const void **a, const void **b) +{ + const char *s1 = *a, *s2 = *b; + return strcmp(s1, s2); +} + +/** Helper: return a tristate based on comparing the strings in *<b>a</b> and + * *<b>b</b>, excluding a's first character, and ignoring case. */ +static int +_compare_without_first_ch(const void *a, const void **b) +{ + const char *s1 = a, *s2 = *b; + return strcasecmp(s1+1, s2); +} + +/** Test basic utility functionality. */ +static void +test_util(void) +{ + struct timeval start, end; + struct tm a_time; + char timestr[RFC1123_TIME_LEN+1]; + char buf[1024]; + time_t t_res; + int i; + uint32_t u32; + uint16_t u16; + char *cp, *k, *v; + const char *str; + + start.tv_sec = 5; + start.tv_usec = 5000; + + end.tv_sec = 5; + end.tv_usec = 5000; + + test_eq(0L, tv_udiff(&start, &end)); + + end.tv_usec = 7000; + + test_eq(2000L, tv_udiff(&start, &end)); + + end.tv_sec = 6; + + test_eq(1002000L, tv_udiff(&start, &end)); + + end.tv_usec = 0; + + test_eq(995000L, tv_udiff(&start, &end)); + + end.tv_sec = 4; + + test_eq(-1005000L, tv_udiff(&start, &end)); + + end.tv_usec = 999990; + start.tv_sec = 1; + start.tv_usec = 500; + + /* The test values here are confirmed to be correct on a platform + * with a working timegm. */ + a_time.tm_year = 2003-1900; + a_time.tm_mon = 7; + a_time.tm_mday = 30; + a_time.tm_hour = 6; + a_time.tm_min = 14; + a_time.tm_sec = 55; + test_eq((time_t) 1062224095UL, tor_timegm(&a_time)); + a_time.tm_year = 2004-1900; /* Try a leap year, after feb. */ + test_eq((time_t) 1093846495UL, tor_timegm(&a_time)); + a_time.tm_mon = 1; /* Try a leap year, in feb. */ + a_time.tm_mday = 10; + test_eq((time_t) 1076393695UL, tor_timegm(&a_time)); + + format_rfc1123_time(timestr, 0); + test_streq("Thu, 01 Jan 1970 00:00:00 GMT", timestr); + format_rfc1123_time(timestr, (time_t)1091580502UL); + test_streq("Wed, 04 Aug 2004 00:48:22 GMT", timestr); + + t_res = 0; + i = parse_rfc1123_time(timestr, &t_res); + test_eq(i,0); + test_eq(t_res, (time_t)1091580502UL); + test_eq(-1, parse_rfc1123_time("Wed, zz Aug 2004 99-99x99 GMT", &t_res)); + tor_gettimeofday(&start); + + /* Tests for corner cases of strl operations */ + test_eq(5, strlcpy(buf, "Hello", 0)); + strlcpy(buf, "Hello", sizeof(buf)); + test_eq(10, strlcat(buf, "Hello", 5)); + + /* Test tor_strstrip() */ + strlcpy(buf, "Testing 1 2 3", sizeof(buf)); + tor_strstrip(buf, ",!"); + test_streq(buf, "Testing 1 2 3"); + strlcpy(buf, "!Testing 1 2 3?", sizeof(buf)); + tor_strstrip(buf, "!? "); + test_streq(buf, "Testing123"); + + /* Test parse_addr_port */ + cp = NULL; u32 = 3; u16 = 3; + test_assert(!parse_addr_port(LOG_WARN, "1.2.3.4", &cp, &u32, &u16)); + test_streq(cp, "1.2.3.4"); + test_eq(u32, 0x01020304u); + test_eq(u16, 0); + tor_free(cp); + test_assert(!parse_addr_port(LOG_WARN, "4.3.2.1:99", &cp, &u32, &u16)); + test_streq(cp, "4.3.2.1"); + test_eq(u32, 0x04030201u); + test_eq(u16, 99); + tor_free(cp); + test_assert(!parse_addr_port(LOG_WARN, "nonexistent.address:4040", + &cp, NULL, &u16)); + test_streq(cp, "nonexistent.address"); + test_eq(u16, 4040); + tor_free(cp); + test_assert(!parse_addr_port(LOG_WARN, "localhost:9999", &cp, &u32, &u16)); + test_streq(cp, "localhost"); + test_eq(u32, 0x7f000001u); + test_eq(u16, 9999); + tor_free(cp); + u32 = 3; + test_assert(!parse_addr_port(LOG_WARN, "localhost", NULL, &u32, &u16)); + test_eq(cp, NULL); + test_eq(u32, 0x7f000001u); + test_eq(u16, 0); + tor_free(cp); + test_eq(0, addr_mask_get_bits(0x0u)); + test_eq(32, addr_mask_get_bits(0xFFFFFFFFu)); + test_eq(16, addr_mask_get_bits(0xFFFF0000u)); + test_eq(31, addr_mask_get_bits(0xFFFFFFFEu)); + test_eq(1, addr_mask_get_bits(0x80000000u)); + + /* Test tor_parse_long. */ + test_eq(10L, tor_parse_long("10",10,0,100,NULL,NULL)); + test_eq(0L, tor_parse_long("10",10,50,100,NULL,NULL)); + test_eq(-50L, tor_parse_long("-50",10,-100,100,NULL,NULL)); + + /* Test tor_parse_ulong */ + test_eq(10UL, tor_parse_ulong("10",10,0,100,NULL,NULL)); + test_eq(0UL, tor_parse_ulong("10",10,50,100,NULL,NULL)); + + /* Test tor_parse_uint64. */ + test_assert(U64_LITERAL(10) == tor_parse_uint64("10 x",10,0,100, &i, &cp)); + test_assert(i == 1); + test_streq(cp, " x"); + test_assert(U64_LITERAL(12345678901) == + tor_parse_uint64("12345678901",10,0,UINT64_MAX, &i, &cp)); + test_assert(i == 1); + test_streq(cp, ""); + test_assert(U64_LITERAL(0) == + tor_parse_uint64("12345678901",10,500,INT32_MAX, &i, &cp)); + test_assert(i == 0); + + { + /* Test tor_parse_double. */ + double d = tor_parse_double("10", 0, UINT64_MAX,&i,NULL); + test_assert(i == 1); + test_assert(DBL_TO_U64(d) == 10); + d = tor_parse_double("0", 0, UINT64_MAX,&i,NULL); + test_assert(i == 1); + test_assert(DBL_TO_U64(d) == 0); + d = tor_parse_double(" ", 0, UINT64_MAX,&i,NULL); + test_assert(i == 0); + d = tor_parse_double(".0a", 0, UINT64_MAX,&i,NULL); + test_assert(i == 0); + d = tor_parse_double(".0a", 0, UINT64_MAX,&i,&cp); + test_assert(i == 1); + d = tor_parse_double("-.0", 0, UINT64_MAX,&i,NULL); + test_assert(i == 1); + } + + /* Test failing snprintf cases */ + test_eq(-1, tor_snprintf(buf, 0, "Foo")); + test_eq(-1, tor_snprintf(buf, 2, "Foo")); + + /* Test printf with uint64 */ + tor_snprintf(buf, sizeof(buf), "x!"U64_FORMAT"!x", + U64_PRINTF_ARG(U64_LITERAL(12345678901))); + test_streq(buf, "x!12345678901!x"); + + /* Test parse_config_line_from_str */ + strlcpy(buf, "k v\n" " key value with spaces \n" "keykey val\n" + "k2\n" + "k3 \n" "\n" " \n" "#comment\n" + "k4#a\n" "k5#abc\n" "k6 val #with comment\n" + "kseven \"a quoted 'string\"\n" + "k8 \"a \\x71uoted\\n\\\"str\\\\ing\\t\\001\\01\\1\\\"\"\n" + , sizeof(buf)); + str = buf; + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k"); + test_streq(v, "v"); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "key value with")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "key"); + test_streq(v, "value with spaces"); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "keykey")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "keykey"); + test_streq(v, "val"); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "k2\n")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k2"); + test_streq(v, ""); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "k3 \n")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k3"); + test_streq(v, ""); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "#comment")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k4"); + test_streq(v, ""); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "k5#abc")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k5"); + test_streq(v, ""); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "k6")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k6"); + test_streq(v, "val"); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "kseven")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "kseven"); + test_streq(v, "a quoted \'string"); + tor_free(k); tor_free(v); + test_assert(!strcmpstart(str, "k8 ")); + + str = parse_config_line_from_str(str, &k, &v); + test_streq(k, "k8"); + test_streq(v, "a quoted\n\"str\\ing\t\x01\x01\x01\""); + tor_free(k); tor_free(v); + test_streq(str, ""); + + /* Test for strcmpstart and strcmpend. */ + test_assert(strcmpstart("abcdef", "abcdef")==0); + test_assert(strcmpstart("abcdef", "abc")==0); + test_assert(strcmpstart("abcdef", "abd")<0); + test_assert(strcmpstart("abcdef", "abb")>0); + test_assert(strcmpstart("ab", "abb")<0); + + test_assert(strcmpend("abcdef", "abcdef")==0); + test_assert(strcmpend("abcdef", "def")==0); + test_assert(strcmpend("abcdef", "deg")<0); + test_assert(strcmpend("abcdef", "dee")>0); + test_assert(strcmpend("ab", "abb")<0); + + test_assert(strcasecmpend("AbcDEF", "abcdef")==0); + test_assert(strcasecmpend("abcdef", "dEF")==0); + test_assert(strcasecmpend("abcDEf", "deg")<0); + test_assert(strcasecmpend("abcdef", "DEE")>0); + test_assert(strcasecmpend("ab", "abB")<0); + + /* Test mem_is_zero */ + memset(buf,0,128); + buf[128] = 'x'; + test_assert(tor_digest_is_zero(buf)); + test_assert(tor_mem_is_zero(buf, 10)); + test_assert(tor_mem_is_zero(buf, 20)); + test_assert(tor_mem_is_zero(buf, 128)); + test_assert(!tor_mem_is_zero(buf, 129)); + buf[60] = (char)255; + test_assert(!tor_mem_is_zero(buf, 128)); + buf[0] = (char)1; + test_assert(!tor_mem_is_zero(buf, 10)); + + /* Test inet_ntop */ + { + char tmpbuf[TOR_ADDR_BUF_LEN]; + const char *ip = "176.192.208.224"; + struct in_addr in; + tor_inet_pton(AF_INET, ip, &in); + tor_inet_ntop(AF_INET, &in, tmpbuf, sizeof(tmpbuf)); + test_streq(tmpbuf, ip); + } + + /* Test 'escaped' */ + test_streq("\"\"", escaped("")); + test_streq("\"abcd\"", escaped("abcd")); + test_streq("\"\\\\\\n\\r\\t\\\"\\'\"", escaped("\\\n\r\t\"\'")); + test_streq("\"z\\001abc\\277d\"", escaped("z\001abc\277d")); + test_assert(NULL == escaped(NULL)); + + /* Test strndup and memdup */ + { + const char *s = "abcdefghijklmnopqrstuvwxyz"; + cp = tor_strndup(s, 30); + test_streq(cp, s); /* same string, */ + test_neq(cp, s); /* but different pointers. */ + tor_free(cp); + + cp = tor_strndup(s, 5); + test_streq(cp, "abcde"); + tor_free(cp); + + s = "a\0b\0c\0d\0e\0"; + cp = tor_memdup(s,10); + test_memeq(cp, s, 10); /* same ram, */ + test_neq(cp, s); /* but different pointers. */ + tor_free(cp); + } + + /* Test str-foo functions */ + cp = tor_strdup("abcdef"); + test_assert(tor_strisnonupper(cp)); + cp[3] = 'D'; + test_assert(!tor_strisnonupper(cp)); + tor_strupper(cp); + test_streq(cp, "ABCDEF"); + test_assert(tor_strisprint(cp)); + cp[3] = 3; + test_assert(!tor_strisprint(cp)); + tor_free(cp); + + /* Test eat_whitespace. */ + { + const char *s = " \n a"; + test_eq_ptr(eat_whitespace(s), s+4); + s = "abcd"; + test_eq_ptr(eat_whitespace(s), s); + s = "#xyz\nab"; + test_eq_ptr(eat_whitespace(s), s+5); + } + + /* Test memmem and memstr */ + { + const char *haystack = "abcde"; + tor_assert(!tor_memmem(haystack, 5, "ef", 2)); + test_eq_ptr(tor_memmem(haystack, 5, "cd", 2), haystack + 2); + test_eq_ptr(tor_memmem(haystack, 5, "cde", 3), haystack + 2); + haystack = "ababcad"; + test_eq_ptr(tor_memmem(haystack, 7, "abc", 3), haystack + 2); + test_eq_ptr(tor_memstr(haystack, 7, "abc"), haystack + 2); + test_assert(!tor_memstr(haystack, 7, "fe")); + test_assert(!tor_memstr(haystack, 7, "longerthantheoriginal")); + } + + /* Test wrap_string */ + { + smartlist_t *sl = smartlist_create(); + wrap_string(sl, "This is a test of string wrapping functionality: woot.", + 10, "", ""); + cp = smartlist_join_strings(sl, "", 0, NULL); + test_streq(cp, + "This is a\ntest of\nstring\nwrapping\nfunctional\nity: woot.\n"); + tor_free(cp); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + wrap_string(sl, "This is a test of string wrapping functionality: woot.", + 16, "### ", "# "); + cp = smartlist_join_strings(sl, "", 0, NULL); + test_streq(cp, + "### This is a\n# test of string\n# wrapping\n# functionality:\n" + "# woot.\n"); + + tor_free(cp); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_free(sl); + } + + /* now make sure time works. */ + tor_gettimeofday(&end); + /* We might've timewarped a little. */ + test_assert(tv_udiff(&start, &end) >= -5000); + + /* Test tor_log2(). */ + test_eq(tor_log2(64), 6); + test_eq(tor_log2(65), 6); + test_eq(tor_log2(63), 5); + test_eq(tor_log2(1), 0); + test_eq(tor_log2(2), 1); + test_eq(tor_log2(3), 1); + test_eq(tor_log2(4), 2); + test_eq(tor_log2(5), 2); + test_eq(tor_log2(U64_LITERAL(40000000000000000)), 55); + test_eq(tor_log2(UINT64_MAX), 63); + + /* Test round_to_power_of_2 */ + test_eq(round_to_power_of_2(120), 128); + test_eq(round_to_power_of_2(128), 128); + test_eq(round_to_power_of_2(130), 128); + test_eq(round_to_power_of_2(U64_LITERAL(40000000000000000)), + U64_LITERAL(1)<<55); + test_eq(round_to_power_of_2(0), 2); + + done: + ; +} + +#define _test_op_ip6(a,op,b,e1,e2) \ + STMT_BEGIN \ + tt_assert_test_fmt_type(a,b,e1" "#op" "e2,struct in6_addr*, \ + (memcmp(_val1->s6_addr, _val2->s6_addr, 16) op 0), \ + char *, "%s", \ + { int i; char *cp; \ + cp = _print = tor_malloc(64); \ + for (i=0;i<16;++i) { \ + tor_snprintf(cp, 3,"%02x", (unsigned)_value->s6_addr[i]);\ + cp += 2; \ + if (i != 15) *cp++ = ':'; \ + } \ + }, { tor_free(_print); } \ + ); \ + STMT_END + +/** Helper: Assert that two strings both decode as IPv6 addresses with + * tor_inet_pton(), and both decode to the same address. */ +#define test_pton6_same(a,b) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &a1), 1); \ + test_eq(tor_inet_pton(AF_INET6, b, &a2), 1); \ + _test_op_ip6(&a1,==,&a2,#a,#b); \ + STMT_END + +/** Helper: Assert that <b>a</b> is recognized as a bad IPv6 address by + * tor_inet_pton(). */ +#define test_pton6_bad(a) \ + test_eq(0, tor_inet_pton(AF_INET6, a, &a1)) + +/** Helper: assert that <b>a</b>, when parsed by tor_inet_pton() and displayed + * with tor_inet_ntop(), yields <b>b</b>. Also assert that <b>b</b> parses to + * the same value as <b>a</b>. */ +#define test_ntop6_reduces(a,b) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &a1), 1); \ + test_streq(tor_inet_ntop(AF_INET6, &a1, buf, sizeof(buf)), b); \ + test_eq(tor_inet_pton(AF_INET6, b, &a2), 1); \ + _test_op_ip6(&a1, ==, &a2, a, b); \ + STMT_END + +/** Helper: assert that <b>a</b> parses by tor_inet_pton() into a address that + * passes tor_addr_is_internal() with <b>for_listening</b>. */ +#define test_internal_ip(a,for_listening) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ + t1.family = AF_INET6; \ + if (!tor_addr_is_internal(&t1, for_listening)) \ + test_fail_msg( a "was not internal."); \ + STMT_END + +/** Helper: assert that <b>a</b> parses by tor_inet_pton() into a address that + * does not pass tor_addr_is_internal() with <b>for_listening</b>. */ +#define test_external_ip(a,for_listening) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ + t1.family = AF_INET6; \ + if (tor_addr_is_internal(&t1, for_listening)) \ + test_fail_msg(a "was not external."); \ + STMT_END + +/** Helper: Assert that <b>a</b> and <b>b</b>, when parsed by + * tor_inet_pton(), give addresses that compare in the order defined by + * <b>op</b> with tor_addr_compare(). */ +#define test_addr_compare(a, op, b) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ + test_eq(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), 1); \ + t1.family = t2.family = AF_INET6; \ + r = tor_addr_compare(&t1,&t2,CMP_SEMANTIC); \ + if (!(r op 0)) \ + test_fail_msg("failed: tor_addr_compare("a","b") "#op" 0"); \ + STMT_END + +/** Helper: Assert that <b>a</b> and <b>b</b>, when parsed by + * tor_inet_pton(), give addresses that compare in the order defined by + * <b>op</b> with tor_addr_compare_masked() with <b>m</b> masked. */ +#define test_addr_compare_masked(a, op, b, m) STMT_BEGIN \ + test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ + test_eq(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), 1); \ + t1.family = t2.family = AF_INET6; \ + r = tor_addr_compare_masked(&t1,&t2,m,CMP_SEMANTIC); \ + if (!(r op 0)) \ + test_fail_msg("failed: tor_addr_compare_masked("a","b","#m") "#op" 0"); \ + STMT_END + +/** Helper: assert that <b>xx</b> is parseable as a masked IPv6 address with + * ports by tor_parse_mask_addr_ports(), with family <b>f</b>, IP address + * as 4 32-bit words <b>ip1...ip4</b>, mask bits as <b>mm</b>, and port range + * as <b>pt1..pt2</b>. */ +#define test_addr_mask_ports_parse(xx, f, ip1, ip2, ip3, ip4, mm, pt1, pt2) \ + STMT_BEGIN \ + test_eq(tor_addr_parse_mask_ports(xx, &t1, &mask, &port1, &port2), f); \ + p1=tor_inet_ntop(AF_INET6, &t1.addr.in6_addr, bug, sizeof(bug)); \ + test_eq(htonl(ip1), tor_addr_to_in6_addr32(&t1)[0]); \ + test_eq(htonl(ip2), tor_addr_to_in6_addr32(&t1)[1]); \ + test_eq(htonl(ip3), tor_addr_to_in6_addr32(&t1)[2]); \ + test_eq(htonl(ip4), tor_addr_to_in6_addr32(&t1)[3]); \ + test_eq(mask, mm); \ + test_eq(port1, pt1); \ + test_eq(port2, pt2); \ + STMT_END + +/** Run unit tests for IPv6 encoding/decoding/manipulation functions. */ +static void +test_util_ip6_helpers(void) +{ + char buf[TOR_ADDR_BUF_LEN], bug[TOR_ADDR_BUF_LEN]; + struct in6_addr a1, a2; + tor_addr_t t1, t2; + int r, i; + uint16_t port1, port2; + maskbits_t mask; + const char *p1; + struct sockaddr_storage sa_storage; + struct sockaddr_in *sin; + struct sockaddr_in6 *sin6; + + // struct in_addr b1, b2; + /* Test tor_inet_ntop and tor_inet_pton: IPv6 */ + + /* ==== Converting to and from sockaddr_t. */ + sin = (struct sockaddr_in *)&sa_storage; + sin->sin_family = AF_INET; + sin->sin_port = 9090; + sin->sin_addr.s_addr = htonl(0x7f7f0102); /*127.127.1.2*/ + tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, NULL); + test_eq(tor_addr_family(&t1), AF_INET); + test_eq(tor_addr_to_ipv4h(&t1), 0x7f7f0102); + + memset(&sa_storage, 0, sizeof(sa_storage)); + test_eq(sizeof(struct sockaddr_in), + tor_addr_to_sockaddr(&t1, 1234, (struct sockaddr *)&sa_storage, + sizeof(sa_storage))); + test_eq(1234, ntohs(sin->sin_port)); + test_eq(0x7f7f0102, ntohl(sin->sin_addr.s_addr)); + + memset(&sa_storage, 0, sizeof(sa_storage)); + sin6 = (struct sockaddr_in6 *)&sa_storage; + sin6->sin6_family = AF_INET6; + sin6->sin6_port = htons(7070); + sin6->sin6_addr.s6_addr[0] = 128; + tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin6, NULL); + test_eq(tor_addr_family(&t1), AF_INET6); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0); + test_streq(p1, "8000::"); + + memset(&sa_storage, 0, sizeof(sa_storage)); + test_eq(sizeof(struct sockaddr_in6), + tor_addr_to_sockaddr(&t1, 9999, (struct sockaddr *)&sa_storage, + sizeof(sa_storage))); + test_eq(AF_INET6, sin6->sin6_family); + test_eq(9999, ntohs(sin6->sin6_port)); + test_eq(0x80000000, ntohl(S6_ADDR32(sin6->sin6_addr)[0])); + + /* ==== tor_addr_lookup: static cases. (Can't test dns without knowing we + * have a good resolver. */ + test_eq(0, tor_addr_lookup("127.128.129.130", AF_UNSPEC, &t1)); + test_eq(AF_INET, tor_addr_family(&t1)); + test_eq(tor_addr_to_ipv4h(&t1), 0x7f808182); + + test_eq(0, tor_addr_lookup("9000::5", AF_UNSPEC, &t1)); + test_eq(AF_INET6, tor_addr_family(&t1)); + test_eq(0x90, tor_addr_to_in6_addr8(&t1)[0]); + test_assert(tor_mem_is_zero((char*)tor_addr_to_in6_addr8(&t1)+1, 14)); + test_eq(0x05, tor_addr_to_in6_addr8(&t1)[15]); + + /* === Test pton: valid af_inet6 */ + /* Simple, valid parsing. */ + r = tor_inet_pton(AF_INET6, + "0102:0304:0506:0708:090A:0B0C:0D0E:0F10", &a1); + test_assert(r==1); + for (i=0;i<16;++i) { test_eq(i+1, (int)a1.s6_addr[i]); } + /* ipv4 ending. */ + test_pton6_same("0102:0304:0506:0708:090A:0B0C:0D0E:0F10", + "0102:0304:0506:0708:090A:0B0C:13.14.15.16"); + /* shortened words. */ + test_pton6_same("0001:0099:BEEF:0000:0123:FFFF:0001:0001", + "1:99:BEEF:0:0123:FFFF:1:1"); + /* zeros at the beginning */ + test_pton6_same("0000:0000:0000:0000:0009:C0A8:0001:0001", + "::9:c0a8:1:1"); + test_pton6_same("0000:0000:0000:0000:0009:C0A8:0001:0001", + "::9:c0a8:0.1.0.1"); + /* zeros in the middle. */ + test_pton6_same("fe80:0000:0000:0000:0202:1111:0001:0001", + "fe80::202:1111:1:1"); + /* zeros at the end. */ + test_pton6_same("1000:0001:0000:0007:0000:0000:0000:0000", + "1000:1:0:7::"); + + /* === Test ntop: af_inet6 */ + test_ntop6_reduces("0:0:0:0:0:0:0:0", "::"); + + test_ntop6_reduces("0001:0099:BEEF:0006:0123:FFFF:0001:0001", + "1:99:beef:6:123:ffff:1:1"); + + //test_ntop6_reduces("0:0:0:0:0:0:c0a8:0101", "::192.168.1.1"); + test_ntop6_reduces("0:0:0:0:0:ffff:c0a8:0101", "::ffff:192.168.1.1"); + test_ntop6_reduces("002:0:0000:0:3::4", "2::3:0:0:4"); + test_ntop6_reduces("0:0::1:0:3", "::1:0:3"); + test_ntop6_reduces("008:0::0", "8::"); + test_ntop6_reduces("0:0:0:0:0:ffff::1", "::ffff:0.0.0.1"); + test_ntop6_reduces("abcd:0:0:0:0:0:7f00::", "abcd::7f00:0"); + test_ntop6_reduces("0000:0000:0000:0000:0009:C0A8:0001:0001", + "::9:c0a8:1:1"); + test_ntop6_reduces("fe80:0000:0000:0000:0202:1111:0001:0001", + "fe80::202:1111:1:1"); + test_ntop6_reduces("1000:0001:0000:0007:0000:0000:0000:0000", + "1000:1:0:7::"); + + /* === Test pton: invalid in6. */ + test_pton6_bad("foobar."); + test_pton6_bad("55555::"); + test_pton6_bad("9:-60::"); + test_pton6_bad("1:2:33333:4:0002:3::"); + //test_pton6_bad("1:2:3333:4:00002:3::");// BAD, but glibc doesn't say so. + test_pton6_bad("1:2:3333:4:fish:3::"); + test_pton6_bad("1:2:3:4:5:6:7:8:9"); + test_pton6_bad("1:2:3:4:5:6:7"); + test_pton6_bad("1:2:3:4:5:6:1.2.3.4.5"); + test_pton6_bad("1:2:3:4:5:6:1.2.3"); + test_pton6_bad("::1.2.3"); + test_pton6_bad("::1.2.3.4.5"); + test_pton6_bad("99"); + test_pton6_bad(""); + test_pton6_bad("1::2::3:4"); + test_pton6_bad("a:::b:c"); + test_pton6_bad(":::a:b:c"); + test_pton6_bad("a:b:c:::"); + + /* test internal checking */ + test_external_ip("fbff:ffff::2:7", 0); + test_internal_ip("fc01::2:7", 0); + test_internal_ip("fdff:ffff::f:f", 0); + test_external_ip("fe00::3:f", 0); + + test_external_ip("fe7f:ffff::2:7", 0); + test_internal_ip("fe80::2:7", 0); + test_internal_ip("febf:ffff::f:f", 0); + + test_internal_ip("fec0::2:7:7", 0); + test_internal_ip("feff:ffff::e:7:7", 0); + test_external_ip("ff00::e:7:7", 0); + + test_internal_ip("::", 0); + test_internal_ip("::1", 0); + test_internal_ip("::1", 1); + test_internal_ip("::", 0); + test_external_ip("::", 1); + test_external_ip("::2", 0); + test_external_ip("2001::", 0); + test_external_ip("ffff::", 0); + + test_external_ip("::ffff:0.0.0.0", 1); + test_internal_ip("::ffff:0.0.0.0", 0); + test_internal_ip("::ffff:0.255.255.255", 0); + test_external_ip("::ffff:1.0.0.0", 0); + + test_external_ip("::ffff:9.255.255.255", 0); + test_internal_ip("::ffff:10.0.0.0", 0); + test_internal_ip("::ffff:10.255.255.255", 0); + test_external_ip("::ffff:11.0.0.0", 0); + + test_external_ip("::ffff:126.255.255.255", 0); + test_internal_ip("::ffff:127.0.0.0", 0); + test_internal_ip("::ffff:127.255.255.255", 0); + test_external_ip("::ffff:128.0.0.0", 0); + + test_external_ip("::ffff:172.15.255.255", 0); + test_internal_ip("::ffff:172.16.0.0", 0); + test_internal_ip("::ffff:172.31.255.255", 0); + test_external_ip("::ffff:172.32.0.0", 0); + + test_external_ip("::ffff:192.167.255.255", 0); + test_internal_ip("::ffff:192.168.0.0", 0); + test_internal_ip("::ffff:192.168.255.255", 0); + test_external_ip("::ffff:192.169.0.0", 0); + + test_external_ip("::ffff:169.253.255.255", 0); + test_internal_ip("::ffff:169.254.0.0", 0); + test_internal_ip("::ffff:169.254.255.255", 0); + test_external_ip("::ffff:169.255.0.0", 0); + test_assert(is_internal_IP(0x7f000001, 0)); + + /* tor_addr_compare(tor_addr_t x2) */ + test_addr_compare("ffff::", ==, "ffff::0"); + test_addr_compare("0::3:2:1", <, "0::ffff:0.3.2.1"); + test_addr_compare("0::2:2:1", <, "0::ffff:0.3.2.1"); + test_addr_compare("0::ffff:0.3.2.1", >, "0::0:0:0"); + test_addr_compare("0::ffff:5.2.2.1", <, "::ffff:6.0.0.0"); /* XXXX wrong. */ + tor_addr_parse_mask_ports("[::ffff:2.3.4.5]", &t1, NULL, NULL, NULL); + tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL); + test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) == 0); + tor_addr_parse_mask_ports("[::ffff:2.3.4.4]", &t1, NULL, NULL, NULL); + tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL); + test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) < 0); + + /* test compare_masked */ + test_addr_compare_masked("ffff::", ==, "ffff::0", 128); + test_addr_compare_masked("ffff::", ==, "ffff::0", 64); + test_addr_compare_masked("0::2:2:1", <, "0::8000:2:1", 81); + test_addr_compare_masked("0::2:2:1", ==, "0::8000:2:1", 80); + + /* Test decorated addr_to_string. */ + test_eq(AF_INET6, tor_addr_from_str(&t1, "[123:45:6789::5005:11]")); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); + test_streq(p1, "[123:45:6789::5005:11]"); + test_eq(AF_INET, tor_addr_from_str(&t1, "18.0.0.1")); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); + test_streq(p1, "18.0.0.1"); + + /* Test tor_addr_parse_reverse_lookup_name */ + i = tor_addr_parse_reverse_lookup_name(&t1, "Foobar.baz", AF_UNSPEC, 0); + test_eq(0, i); + i = tor_addr_parse_reverse_lookup_name(&t1, "Foobar.baz", AF_UNSPEC, 1); + test_eq(0, i); + i = tor_addr_parse_reverse_lookup_name(&t1, "1.0.168.192.in-addr.arpa", + AF_UNSPEC, 1); + test_eq(1, i); + test_eq(tor_addr_family(&t1), AF_INET); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); + test_streq(p1, "192.168.0.1"); + i = tor_addr_parse_reverse_lookup_name(&t1, "192.168.0.99", AF_UNSPEC, 0); + test_eq(0, i); + i = tor_addr_parse_reverse_lookup_name(&t1, "192.168.0.99", AF_UNSPEC, 1); + test_eq(1, i); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); + test_streq(p1, "192.168.0.99"); + memset(&t1, 0, sizeof(t1)); + i = tor_addr_parse_reverse_lookup_name(&t1, + "0.1.2.3.4.5.6.7.8.9.a.b.c.d.e.f." + "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." + "ip6.ARPA", + AF_UNSPEC, 0); + test_eq(1, i); + p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); + test_streq(p1, "[9dee:effe:ebe1:beef:fedc:ba98:7654:3210]"); + /* Failing cases. */ + i = tor_addr_parse_reverse_lookup_name(&t1, + "6.7.8.9.a.b.c.d.e.f." + "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." + "ip6.ARPA", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, + "6.7.8.9.a.b.c.d.e.f.a.b.c.d.e.f.0." + "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." + "ip6.ARPA", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, + "6.7.8.9.a.b.c.d.e.f.X.0.0.0.0.9." + "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." + "ip6.ARPA", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, "32.1.1.in-addr.arpa", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, ".in-addr.arpa", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, "1.2.3.4.5.in-addr.arpa", + AF_UNSPEC, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, "1.2.3.4.5.in-addr.arpa", + AF_INET6, 0); + test_eq(i, -1); + i = tor_addr_parse_reverse_lookup_name(&t1, + "6.7.8.9.a.b.c.d.e.f.a.b.c.d.e.0." + "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." + "ip6.ARPA", + AF_INET, 0); + test_eq(i, -1); + + /* test tor_addr_parse_mask_ports */ + test_addr_mask_ports_parse("[::f]/17:47-95", AF_INET6, + 0, 0, 0, 0x0000000f, 17, 47, 95); + //test_addr_parse("[::fefe:4.1.1.7/120]:999-1000"); + //test_addr_parse_check("::fefe:401:107", 120, 999, 1000); + test_addr_mask_ports_parse("[::ffff:4.1.1.7]/120:443", AF_INET6, + 0, 0, 0x0000ffff, 0x04010107, 120, 443, 443); + test_addr_mask_ports_parse("[abcd:2::44a:0]:2-65000", AF_INET6, + 0xabcd0002, 0, 0, 0x044a0000, 128, 2, 65000); + + r=tor_addr_parse_mask_ports("[fefef::]/112", &t1, NULL, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("efef::/112", &t1, NULL, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f::]", &t1, NULL, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("[::f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL); + test_assert(r == -1); + /* Test for V4-mapped address with mask < 96. (arguably not valid) */ + r=tor_addr_parse_mask_ports("[::ffff:1.1.2.2/33]", &t1, &mask, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("1.1.2.2/33", &t1, &mask, NULL, NULL); + test_assert(r == -1); + r=tor_addr_parse_mask_ports("1.1.2.2/31", &t1, &mask, NULL, NULL); + test_assert(r == AF_INET); + r=tor_addr_parse_mask_ports("[efef::]/112", &t1, &mask, &port1, &port2); + test_assert(r == AF_INET6); + test_assert(port1 == 1); + test_assert(port2 == 65535); + + /* make sure inet address lengths >= max */ + test_assert(INET_NTOA_BUF_LEN >= sizeof("255.255.255.255")); + test_assert(TOR_ADDR_BUF_LEN >= + sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")); + + test_assert(sizeof(tor_addr_t) >= sizeof(struct in6_addr)); + + /* get interface addresses */ + r = get_interface_address6(LOG_DEBUG, AF_INET, &t1); + i = get_interface_address6(LOG_DEBUG, AF_INET6, &t2); +#if 0 + tor_inet_ntop(AF_INET, &t1.sa.sin_addr, buf, sizeof(buf)); + printf("\nv4 address: %s (family=%i)", buf, IN_FAMILY(&t1)); + tor_inet_ntop(AF_INET6, &t2.sa6.sin6_addr, buf, sizeof(buf)); + printf("\nv6 address: %s (family=%i)", buf, IN_FAMILY(&t2)); +#endif + + done: + ; +} + +/** Run unit tests for basic dynamic-sized array functionality. */ +static void +test_util_smartlist_basic(void) +{ + smartlist_t *sl; + + /* XXXX test sort_digests, uniq_strings, uniq_digests */ + + /* Test smartlist add, del_keeporder, insert, get. */ + sl = smartlist_create(); + smartlist_add(sl, (void*)1); + smartlist_add(sl, (void*)2); + smartlist_add(sl, (void*)3); + smartlist_add(sl, (void*)4); + smartlist_del_keeporder(sl, 1); + smartlist_insert(sl, 1, (void*)22); + smartlist_insert(sl, 0, (void*)0); + smartlist_insert(sl, 5, (void*)555); + test_eq_ptr((void*)0, smartlist_get(sl,0)); + test_eq_ptr((void*)1, smartlist_get(sl,1)); + test_eq_ptr((void*)22, smartlist_get(sl,2)); + test_eq_ptr((void*)3, smartlist_get(sl,3)); + test_eq_ptr((void*)4, smartlist_get(sl,4)); + test_eq_ptr((void*)555, smartlist_get(sl,5)); + /* Try deleting in the middle. */ + smartlist_del(sl, 1); + test_eq_ptr((void*)555, smartlist_get(sl, 1)); + /* Try deleting at the end. */ + smartlist_del(sl, 4); + test_eq(4, smartlist_len(sl)); + + /* test isin. */ + test_assert(smartlist_isin(sl, (void*)3)); + test_assert(!smartlist_isin(sl, (void*)99)); + + done: + smartlist_free(sl); +} + +/** Run unit tests for smartlist-of-strings functionality. */ +static void +test_util_smartlist_strings(void) +{ + smartlist_t *sl = smartlist_create(); + char *cp=NULL, *cp_alloc=NULL; + size_t sz; + + /* Test split and join */ + test_eq(0, smartlist_len(sl)); + smartlist_split_string(sl, "abc", ":", 0, 0); + test_eq(1, smartlist_len(sl)); + test_streq("abc", smartlist_get(sl, 0)); + smartlist_split_string(sl, "a::bc::", "::", 0, 0); + test_eq(4, smartlist_len(sl)); + test_streq("a", smartlist_get(sl, 1)); + test_streq("bc", smartlist_get(sl, 2)); + test_streq("", smartlist_get(sl, 3)); + cp_alloc = smartlist_join_strings(sl, "", 0, NULL); + test_streq(cp_alloc, "abcabc"); + tor_free(cp_alloc); + cp_alloc = smartlist_join_strings(sl, "!", 0, NULL); + test_streq(cp_alloc, "abc!a!bc!"); + tor_free(cp_alloc); + cp_alloc = smartlist_join_strings(sl, "XY", 0, NULL); + test_streq(cp_alloc, "abcXYaXYbcXY"); + tor_free(cp_alloc); + cp_alloc = smartlist_join_strings(sl, "XY", 1, NULL); + test_streq(cp_alloc, "abcXYaXYbcXYXY"); + tor_free(cp_alloc); + cp_alloc = smartlist_join_strings(sl, "", 1, NULL); + test_streq(cp_alloc, "abcabc"); + tor_free(cp_alloc); + + smartlist_split_string(sl, "/def/ /ghijk", "/", 0, 0); + test_eq(8, smartlist_len(sl)); + test_streq("", smartlist_get(sl, 4)); + test_streq("def", smartlist_get(sl, 5)); + test_streq(" ", smartlist_get(sl, 6)); + test_streq("ghijk", smartlist_get(sl, 7)); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + smartlist_split_string(sl, "a,bbd,cdef", ",", SPLIT_SKIP_SPACE, 0); + test_eq(3, smartlist_len(sl)); + test_streq("a", smartlist_get(sl,0)); + test_streq("bbd", smartlist_get(sl,1)); + test_streq("cdef", smartlist_get(sl,2)); + smartlist_split_string(sl, " z <> zhasd <> <> bnud<> ", "<>", + SPLIT_SKIP_SPACE, 0); + test_eq(8, smartlist_len(sl)); + test_streq("z", smartlist_get(sl,3)); + test_streq("zhasd", smartlist_get(sl,4)); + test_streq("", smartlist_get(sl,5)); + test_streq("bnud", smartlist_get(sl,6)); + test_streq("", smartlist_get(sl,7)); + + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + smartlist_split_string(sl, " ab\tc \td ef ", NULL, + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + test_eq(4, smartlist_len(sl)); + test_streq("ab", smartlist_get(sl,0)); + test_streq("c", smartlist_get(sl,1)); + test_streq("d", smartlist_get(sl,2)); + test_streq("ef", smartlist_get(sl,3)); + smartlist_split_string(sl, "ghi\tj", NULL, + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + test_eq(6, smartlist_len(sl)); + test_streq("ghi", smartlist_get(sl,4)); + test_streq("j", smartlist_get(sl,5)); + + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + cp_alloc = smartlist_join_strings(sl, "XY", 0, NULL); + test_streq(cp_alloc, ""); + tor_free(cp_alloc); + cp_alloc = smartlist_join_strings(sl, "XY", 1, NULL); + test_streq(cp_alloc, "XY"); + tor_free(cp_alloc); + + smartlist_split_string(sl, " z <> zhasd <> <> bnud<> ", "<>", + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + test_eq(3, smartlist_len(sl)); + test_streq("z", smartlist_get(sl, 0)); + test_streq("zhasd", smartlist_get(sl, 1)); + test_streq("bnud", smartlist_get(sl, 2)); + smartlist_split_string(sl, " z <> zhasd <> <> bnud<> ", "<>", + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 2); + test_eq(5, smartlist_len(sl)); + test_streq("z", smartlist_get(sl, 3)); + test_streq("zhasd <> <> bnud<>", smartlist_get(sl, 4)); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + smartlist_split_string(sl, "abcd\n", "\n", + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + test_eq(1, smartlist_len(sl)); + test_streq("abcd", smartlist_get(sl, 0)); + smartlist_split_string(sl, "efgh", "\n", + SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + test_eq(2, smartlist_len(sl)); + test_streq("efgh", smartlist_get(sl, 1)); + + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + /* Test swapping, shuffling, and sorting. */ + smartlist_split_string(sl, "the,onion,router,by,arma,and,nickm", ",", 0, 0); + test_eq(7, smartlist_len(sl)); + smartlist_sort(sl, _compare_strs); + cp_alloc = smartlist_join_strings(sl, ",", 0, NULL); + test_streq(cp_alloc,"and,arma,by,nickm,onion,router,the"); + tor_free(cp_alloc); + smartlist_swap(sl, 1, 5); + cp_alloc = smartlist_join_strings(sl, ",", 0, NULL); + test_streq(cp_alloc,"and,router,by,nickm,onion,arma,the"); + tor_free(cp_alloc); + smartlist_shuffle(sl); + test_eq(7, smartlist_len(sl)); + test_assert(smartlist_string_isin(sl, "and")); + test_assert(smartlist_string_isin(sl, "router")); + test_assert(smartlist_string_isin(sl, "by")); + test_assert(smartlist_string_isin(sl, "nickm")); + test_assert(smartlist_string_isin(sl, "onion")); + test_assert(smartlist_string_isin(sl, "arma")); + test_assert(smartlist_string_isin(sl, "the")); + + /* Test bsearch. */ + smartlist_sort(sl, _compare_strs); + test_streq("nickm", smartlist_bsearch(sl, "zNicKM", + _compare_without_first_ch)); + test_streq("and", smartlist_bsearch(sl, " AND", _compare_without_first_ch)); + test_eq_ptr(NULL, smartlist_bsearch(sl, " ANz", _compare_without_first_ch)); + + /* Test bsearch_idx */ + { + int f; + test_eq(0, smartlist_bsearch_idx(sl," aaa",_compare_without_first_ch,&f)); + test_eq(f, 0); + test_eq(0, smartlist_bsearch_idx(sl," and",_compare_without_first_ch,&f)); + test_eq(f, 1); + test_eq(1, smartlist_bsearch_idx(sl," arm",_compare_without_first_ch,&f)); + test_eq(f, 0); + test_eq(1, smartlist_bsearch_idx(sl," arma",_compare_without_first_ch,&f)); + test_eq(f, 1); + test_eq(2, smartlist_bsearch_idx(sl," armb",_compare_without_first_ch,&f)); + test_eq(f, 0); + test_eq(7, smartlist_bsearch_idx(sl," zzzz",_compare_without_first_ch,&f)); + test_eq(f, 0); + } + + /* Test reverse() and pop_last() */ + smartlist_reverse(sl); + cp_alloc = smartlist_join_strings(sl, ",", 0, NULL); + test_streq(cp_alloc,"the,router,onion,nickm,by,arma,and"); + tor_free(cp_alloc); + cp_alloc = smartlist_pop_last(sl); + test_streq(cp_alloc, "and"); + tor_free(cp_alloc); + test_eq(smartlist_len(sl), 6); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + cp_alloc = smartlist_pop_last(sl); + test_eq(cp_alloc, NULL); + + /* Test uniq() */ + smartlist_split_string(sl, + "50,noon,radar,a,man,a,plan,a,canal,panama,radar,noon,50", + ",", 0, 0); + smartlist_sort(sl, _compare_strs); + smartlist_uniq(sl, _compare_strs, _tor_free); + cp_alloc = smartlist_join_strings(sl, ",", 0, NULL); + test_streq(cp_alloc, "50,a,canal,man,noon,panama,plan,radar"); + tor_free(cp_alloc); + + /* Test string_isin and isin_case and num_isin */ + test_assert(smartlist_string_isin(sl, "noon")); + test_assert(!smartlist_string_isin(sl, "noonoon")); + test_assert(smartlist_string_isin_case(sl, "nOOn")); + test_assert(!smartlist_string_isin_case(sl, "nooNooN")); + test_assert(smartlist_string_num_isin(sl, 50)); + test_assert(!smartlist_string_num_isin(sl, 60)); + + /* Test smartlist_choose */ + { + int i; + int allsame = 1; + int allin = 1; + void *first = smartlist_choose(sl); + test_assert(smartlist_isin(sl, first)); + for (i = 0; i < 100; ++i) { + void *second = smartlist_choose(sl); + if (second != first) + allsame = 0; + if (!smartlist_isin(sl, second)) + allin = 0; + } + test_assert(!allsame); + test_assert(allin); + } + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_clear(sl); + + /* Test string_remove and remove and join_strings2 */ + smartlist_split_string(sl, + "Some say the Earth will end in ice and some in fire", + " ", 0, 0); + cp = smartlist_get(sl, 4); + test_streq(cp, "will"); + smartlist_add(sl, cp); + smartlist_remove(sl, cp); + tor_free(cp); + cp_alloc = smartlist_join_strings(sl, ",", 0, NULL); + test_streq(cp_alloc, "Some,say,the,Earth,fire,end,in,ice,and,some,in"); + tor_free(cp_alloc); + smartlist_string_remove(sl, "in"); + cp_alloc = smartlist_join_strings2(sl, "+XX", 1, 0, &sz); + test_streq(cp_alloc, "Some+say+the+Earth+fire+end+some+ice+and"); + test_eq((int)sz, 40); + + done: + + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_free(sl); + tor_free(cp_alloc); +} + +/** Run unit tests for smartlist set manipulation functions. */ +static void +test_util_smartlist_overlap(void) +{ + smartlist_t *sl = smartlist_create(); + smartlist_t *ints = smartlist_create(); + smartlist_t *odds = smartlist_create(); + smartlist_t *evens = smartlist_create(); + smartlist_t *primes = smartlist_create(); + int i; + for (i=1; i < 10; i += 2) + smartlist_add(odds, (void*)(uintptr_t)i); + for (i=0; i < 10; i += 2) + smartlist_add(evens, (void*)(uintptr_t)i); + + /* add_all */ + smartlist_add_all(ints, odds); + smartlist_add_all(ints, evens); + test_eq(smartlist_len(ints), 10); + + smartlist_add(primes, (void*)2); + smartlist_add(primes, (void*)3); + smartlist_add(primes, (void*)5); + smartlist_add(primes, (void*)7); + + /* overlap */ + test_assert(smartlist_overlap(ints, odds)); + test_assert(smartlist_overlap(odds, primes)); + test_assert(smartlist_overlap(evens, primes)); + test_assert(!smartlist_overlap(odds, evens)); + + /* intersect */ + smartlist_add_all(sl, odds); + smartlist_intersect(sl, primes); + test_eq(smartlist_len(sl), 3); + test_assert(smartlist_isin(sl, (void*)3)); + test_assert(smartlist_isin(sl, (void*)5)); + test_assert(smartlist_isin(sl, (void*)7)); + + /* subtract */ + smartlist_add_all(sl, primes); + smartlist_subtract(sl, odds); + test_eq(smartlist_len(sl), 1); + test_assert(smartlist_isin(sl, (void*)2)); + + done: + smartlist_free(odds); + smartlist_free(evens); + smartlist_free(ints); + smartlist_free(primes); + smartlist_free(sl); +} + +/** Run unit tests for smartlist-of-digests functions. */ +static void +test_util_smartlist_digests(void) +{ + smartlist_t *sl = smartlist_create(); + + /* digest_isin. */ + smartlist_add(sl, tor_memdup("AAAAAAAAAAAAAAAAAAAA", DIGEST_LEN)); + smartlist_add(sl, tor_memdup("\00090AAB2AAAAaasdAAAAA", DIGEST_LEN)); + smartlist_add(sl, tor_memdup("\00090AAB2AAAAaasdAAAAA", DIGEST_LEN)); + test_eq(0, smartlist_digest_isin(NULL, "AAAAAAAAAAAAAAAAAAAA")); + test_assert(smartlist_digest_isin(sl, "AAAAAAAAAAAAAAAAAAAA")); + test_assert(smartlist_digest_isin(sl, "\00090AAB2AAAAaasdAAAAA")); + test_eq(0, smartlist_digest_isin(sl, "\00090AAB2AAABaasdAAAAA")); + + /* sort digests */ + smartlist_sort_digests(sl); + test_memeq(smartlist_get(sl, 0), "\00090AAB2AAAAaasdAAAAA", DIGEST_LEN); + test_memeq(smartlist_get(sl, 1), "\00090AAB2AAAAaasdAAAAA", DIGEST_LEN); + test_memeq(smartlist_get(sl, 2), "AAAAAAAAAAAAAAAAAAAA", DIGEST_LEN); + test_eq(3, smartlist_len(sl)); + + /* uniq_digests */ + smartlist_uniq_digests(sl); + test_eq(2, smartlist_len(sl)); + test_memeq(smartlist_get(sl, 0), "\00090AAB2AAAAaasdAAAAA", DIGEST_LEN); + test_memeq(smartlist_get(sl, 1), "AAAAAAAAAAAAAAAAAAAA", DIGEST_LEN); + + done: + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_free(sl); +} + +/** Run unit tests for concatenate-a-smartlist-of-strings functions. */ +static void +test_util_smartlist_join(void) +{ + smartlist_t *sl = smartlist_create(); + smartlist_t *sl2 = smartlist_create(), *sl3 = smartlist_create(), + *sl4 = smartlist_create(); + char *joined=NULL; + /* unique, sorted. */ + smartlist_split_string(sl, + "Abashments Ambush Anchorman Bacon Banks Borscht " + "Bunks Inhumane Insurance Knish Know Manners " + "Maraschinos Stamina Sunbonnets Unicorns Wombats", + " ", 0, 0); + /* non-unique, sorted. */ + smartlist_split_string(sl2, + "Ambush Anchorman Anchorman Anemias Anemias Bacon " + "Crossbowmen Inhumane Insurance Knish Know Manners " + "Manners Maraschinos Wombats Wombats Work", + " ", 0, 0); + SMARTLIST_FOREACH_JOIN(sl, char *, cp1, + sl2, char *, cp2, + strcmp(cp1,cp2), + smartlist_add(sl3, cp2)) { + test_streq(cp1, cp2); + smartlist_add(sl4, cp1); + } SMARTLIST_FOREACH_JOIN_END(cp1, cp2); + + SMARTLIST_FOREACH(sl3, const char *, cp, + test_assert(smartlist_isin(sl2, cp) && + !smartlist_string_isin(sl, cp))); + SMARTLIST_FOREACH(sl4, const char *, cp, + test_assert(smartlist_isin(sl, cp) && + smartlist_string_isin(sl2, cp))); + joined = smartlist_join_strings(sl3, ",", 0, NULL); + test_streq(joined, "Anemias,Anemias,Crossbowmen,Work"); + tor_free(joined); + joined = smartlist_join_strings(sl4, ",", 0, NULL); + test_streq(joined, "Ambush,Anchorman,Anchorman,Bacon,Inhumane,Insurance," + "Knish,Know,Manners,Manners,Maraschinos,Wombats,Wombats"); + tor_free(joined); + + done: + smartlist_free(sl4); + smartlist_free(sl3); + SMARTLIST_FOREACH(sl2, char *, cp, tor_free(cp)); + smartlist_free(sl2); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + smartlist_free(sl); + tor_free(joined); +} + +/** Run unit tests for bitarray code */ +static void +test_util_bitarray(void) +{ + bitarray_t *ba = NULL; + int i, j, ok=1; + + ba = bitarray_init_zero(1); + test_assert(ba); + test_assert(! bitarray_is_set(ba, 0)); + bitarray_set(ba, 0); + test_assert(bitarray_is_set(ba, 0)); + bitarray_clear(ba, 0); + test_assert(! bitarray_is_set(ba, 0)); + bitarray_free(ba); + + ba = bitarray_init_zero(1023); + for (i = 1; i < 64; ) { + for (j = 0; j < 1023; ++j) { + if (j % i) + bitarray_set(ba, j); + else + bitarray_clear(ba, j); + } + for (j = 0; j < 1023; ++j) { + if (!bool_eq(bitarray_is_set(ba, j), j%i)) + ok = 0; + } + test_assert(ok); + if (i < 7) + ++i; + else if (i == 28) + i = 32; + else + i += 7; + } + + done: + if (ba) + bitarray_free(ba); +} + +/** Run unit tests for digest set code (implemented as a hashtable or as a + * bloom filter) */ +static void +test_util_digestset(void) +{ + smartlist_t *included = smartlist_create(); + char d[DIGEST_LEN]; + int i; + int ok = 1; + int false_positives = 0; + digestset_t *set = NULL; + + for (i = 0; i < 1000; ++i) { + crypto_rand(d, DIGEST_LEN); + smartlist_add(included, tor_memdup(d, DIGEST_LEN)); + } + set = digestset_new(1000); + SMARTLIST_FOREACH(included, const char *, cp, + if (digestset_isin(set, cp)) + ok = 0); + test_assert(ok); + SMARTLIST_FOREACH(included, const char *, cp, + digestset_add(set, cp)); + SMARTLIST_FOREACH(included, const char *, cp, + if (!digestset_isin(set, cp)) + ok = 0); + test_assert(ok); + for (i = 0; i < 1000; ++i) { + crypto_rand(d, DIGEST_LEN); + if (digestset_isin(set, d)) + ++false_positives; + } + test_assert(false_positives < 50); /* Should be far lower. */ + + done: + if (set) + digestset_free(set); + SMARTLIST_FOREACH(included, char *, cp, tor_free(cp)); + smartlist_free(included); +} + +/** mutex for thread test to stop the threads hitting data at the same time. */ +static tor_mutex_t *_thread_test_mutex = NULL; +/** mutexes for the thread test to make sure that the threads have to + * interleave somewhat. */ +static tor_mutex_t *_thread_test_start1 = NULL, + *_thread_test_start2 = NULL; +/** Shared strmap for the thread test. */ +static strmap_t *_thread_test_strmap = NULL; +/** The name of thread1 for the thread test */ +static char *_thread1_name = NULL; +/** The name of thread2 for the thread test */ +static char *_thread2_name = NULL; + +static void _thread_test_func(void* _s) ATTR_NORETURN; + +/** How many iterations have the threads in the unit test run? */ +static int t1_count = 0, t2_count = 0; + +/** Helper function for threading unit tests: This function runs in a + * subthread. It grabs its own mutex (start1 or start2) to make sure that it + * should start, then it repeatedly alters _test_thread_strmap protected by + * _thread_test_mutex. */ +static void +_thread_test_func(void* _s) +{ + char *s = _s; + int i, *count; + tor_mutex_t *m; + char buf[64]; + char **cp; + if (!strcmp(s, "thread 1")) { + m = _thread_test_start1; + cp = &_thread1_name; + count = &t1_count; + } else { + m = _thread_test_start2; + cp = &_thread2_name; + count = &t2_count; + } + tor_mutex_acquire(m); + + tor_snprintf(buf, sizeof(buf), "%lu", tor_get_thread_id()); + *cp = tor_strdup(buf); + + for (i=0; i<10000; ++i) { + tor_mutex_acquire(_thread_test_mutex); + strmap_set(_thread_test_strmap, "last to run", *cp); + ++*count; + tor_mutex_release(_thread_test_mutex); + } + tor_mutex_acquire(_thread_test_mutex); + strmap_set(_thread_test_strmap, s, *cp); + tor_mutex_release(_thread_test_mutex); + + tor_mutex_release(m); + + spawn_exit(); +} + +/** Run unit tests for threading logic. */ +static void +test_util_threads(void) +{ + char *s1 = NULL, *s2 = NULL; + int done = 0, timedout = 0; + time_t started; +#ifndef TOR_IS_MULTITHREADED + /* Skip this test if we aren't threading. We should be threading most + * everywhere by now. */ + if (1) + return; +#endif + _thread_test_mutex = tor_mutex_new(); + _thread_test_start1 = tor_mutex_new(); + _thread_test_start2 = tor_mutex_new(); + _thread_test_strmap = strmap_new(); + s1 = tor_strdup("thread 1"); + s2 = tor_strdup("thread 2"); + tor_mutex_acquire(_thread_test_start1); + tor_mutex_acquire(_thread_test_start2); + spawn_func(_thread_test_func, s1); + spawn_func(_thread_test_func, s2); + tor_mutex_release(_thread_test_start2); + tor_mutex_release(_thread_test_start1); + started = time(NULL); + while (!done) { + tor_mutex_acquire(_thread_test_mutex); + strmap_assert_ok(_thread_test_strmap); + if (strmap_get(_thread_test_strmap, "thread 1") && + strmap_get(_thread_test_strmap, "thread 2")) { + done = 1; + } else if (time(NULL) > started + 25) { + timedout = done = 1; + } + tor_mutex_release(_thread_test_mutex); + } + tor_mutex_free(_thread_test_mutex); + + tor_mutex_acquire(_thread_test_start1); + tor_mutex_release(_thread_test_start1); + tor_mutex_acquire(_thread_test_start2); + tor_mutex_release(_thread_test_start2); + + if (timedout) { + printf("\nTimed out: %d %d", t1_count, t2_count); + test_assert(strmap_get(_thread_test_strmap, "thread 1")); + test_assert(strmap_get(_thread_test_strmap, "thread 2")); + test_assert(!timedout); + } + + /* different thread IDs. */ + test_assert(strcmp(strmap_get(_thread_test_strmap, "thread 1"), + strmap_get(_thread_test_strmap, "thread 2"))); + test_assert(!strcmp(strmap_get(_thread_test_strmap, "thread 1"), + strmap_get(_thread_test_strmap, "last to run")) || + !strcmp(strmap_get(_thread_test_strmap, "thread 2"), + strmap_get(_thread_test_strmap, "last to run"))); + + done: + tor_free(s1); + tor_free(s2); + tor_free(_thread1_name); + tor_free(_thread2_name); + if (_thread_test_strmap) + strmap_free(_thread_test_strmap, NULL); + if (_thread_test_start1) + tor_mutex_free(_thread_test_start1); + if (_thread_test_start2) + tor_mutex_free(_thread_test_start2); +} + +/** Helper: return a tristate based on comparing two strings. */ +static int +_compare_strings_for_pqueue(const void *s1, const void *s2) +{ + return strcmp((const char*)s1, (const char*)s2); +} + +/** Run unit tests for heap-based priority queue functions. */ +static void +test_util_pqueue(void) +{ + smartlist_t *sl = smartlist_create(); + int (*cmp)(const void *, const void*); +#define OK() smartlist_pqueue_assert_ok(sl, cmp) + + cmp = _compare_strings_for_pqueue; + + smartlist_pqueue_add(sl, cmp, (char*)"cows"); + smartlist_pqueue_add(sl, cmp, (char*)"zebras"); + smartlist_pqueue_add(sl, cmp, (char*)"fish"); + smartlist_pqueue_add(sl, cmp, (char*)"frogs"); + smartlist_pqueue_add(sl, cmp, (char*)"apples"); + smartlist_pqueue_add(sl, cmp, (char*)"squid"); + smartlist_pqueue_add(sl, cmp, (char*)"daschunds"); + smartlist_pqueue_add(sl, cmp, (char*)"eggplants"); + smartlist_pqueue_add(sl, cmp, (char*)"weissbier"); + smartlist_pqueue_add(sl, cmp, (char*)"lobsters"); + smartlist_pqueue_add(sl, cmp, (char*)"roquefort"); + + OK(); + + test_eq(smartlist_len(sl), 11); + test_streq(smartlist_get(sl, 0), "apples"); + test_streq(smartlist_pqueue_pop(sl, cmp), "apples"); + test_eq(smartlist_len(sl), 10); + OK(); + test_streq(smartlist_pqueue_pop(sl, cmp), "cows"); + test_streq(smartlist_pqueue_pop(sl, cmp), "daschunds"); + smartlist_pqueue_add(sl, cmp, (char*)"chinchillas"); + OK(); + smartlist_pqueue_add(sl, cmp, (char*)"fireflies"); + OK(); + test_streq(smartlist_pqueue_pop(sl, cmp), "chinchillas"); + test_streq(smartlist_pqueue_pop(sl, cmp), "eggplants"); + test_streq(smartlist_pqueue_pop(sl, cmp), "fireflies"); + OK(); + test_streq(smartlist_pqueue_pop(sl, cmp), "fish"); + test_streq(smartlist_pqueue_pop(sl, cmp), "frogs"); + test_streq(smartlist_pqueue_pop(sl, cmp), "lobsters"); + test_streq(smartlist_pqueue_pop(sl, cmp), "roquefort"); + OK(); + test_eq(smartlist_len(sl), 3); + test_streq(smartlist_pqueue_pop(sl, cmp), "squid"); + test_streq(smartlist_pqueue_pop(sl, cmp), "weissbier"); + test_streq(smartlist_pqueue_pop(sl, cmp), "zebras"); + test_eq(smartlist_len(sl), 0); + OK(); +#undef OK + + done: + + smartlist_free(sl); +} + +/** Run unit tests for compression functions */ +static void +test_util_gzip(void) +{ + char *buf1=NULL, *buf2=NULL, *buf3=NULL, *cp1, *cp2; + const char *ccp2; + size_t len1, len2; + tor_zlib_state_t *state = NULL; + + buf1 = tor_strdup("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ"); + test_assert(detect_compression_method(buf1, strlen(buf1)) == UNKNOWN_METHOD); + if (is_gzip_supported()) { + test_assert(!tor_gzip_compress(&buf2, &len1, buf1, strlen(buf1)+1, + GZIP_METHOD)); + test_assert(buf2); + test_assert(!memcmp(buf2, "\037\213", 2)); /* Gzip magic. */ + test_assert(detect_compression_method(buf2, len1) == GZIP_METHOD); + + test_assert(!tor_gzip_uncompress(&buf3, &len2, buf2, len1, + GZIP_METHOD, 1, LOG_INFO)); + test_assert(buf3); + test_streq(buf1,buf3); + + tor_free(buf2); + tor_free(buf3); + } + + test_assert(!tor_gzip_compress(&buf2, &len1, buf1, strlen(buf1)+1, + ZLIB_METHOD)); + test_assert(buf2); + test_assert(!memcmp(buf2, "\x78\xDA", 2)); /* deflate magic. */ + test_assert(detect_compression_method(buf2, len1) == ZLIB_METHOD); + + test_assert(!tor_gzip_uncompress(&buf3, &len2, buf2, len1, + ZLIB_METHOD, 1, LOG_INFO)); + test_assert(buf3); + test_streq(buf1,buf3); + + /* Check whether we can uncompress concatenated, compressed strings. */ + tor_free(buf3); + buf2 = tor_realloc(buf2, len1*2); + memcpy(buf2+len1, buf2, len1); + test_assert(!tor_gzip_uncompress(&buf3, &len2, buf2, len1*2, + ZLIB_METHOD, 1, LOG_INFO)); + test_eq(len2, (strlen(buf1)+1)*2); + test_memeq(buf3, + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ\0" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAZAAAAAAAAAAAAAAAAAAAZ\0", + (strlen(buf1)+1)*2); + + tor_free(buf1); + tor_free(buf2); + tor_free(buf3); + + /* Check whether we can uncompress partial strings. */ + buf1 = + tor_strdup("String with low redundancy that won't be compressed much."); + test_assert(!tor_gzip_compress(&buf2, &len1, buf1, strlen(buf1)+1, + ZLIB_METHOD)); + tor_assert(len1>16); + /* when we allow an incomplete string, we should succeed.*/ + tor_assert(!tor_gzip_uncompress(&buf3, &len2, buf2, len1-16, + ZLIB_METHOD, 0, LOG_INFO)); + buf3[len2]='\0'; + tor_assert(len2 > 5); + tor_assert(!strcmpstart(buf1, buf3)); + + /* when we demand a complete string, this must fail. */ + tor_free(buf3); + tor_assert(tor_gzip_uncompress(&buf3, &len2, buf2, len1-16, + ZLIB_METHOD, 1, LOG_INFO)); + tor_assert(!buf3); + + /* Now, try streaming compression. */ + tor_free(buf1); + tor_free(buf2); + tor_free(buf3); + state = tor_zlib_new(1, ZLIB_METHOD); + tor_assert(state); + cp1 = buf1 = tor_malloc(1024); + len1 = 1024; + ccp2 = "ABCDEFGHIJABCDEFGHIJ"; + len2 = 21; + test_assert(tor_zlib_process(state, &cp1, &len1, &ccp2, &len2, 0) + == TOR_ZLIB_OK); + test_eq(len2, 0); /* Make sure we compressed it all. */ + test_assert(cp1 > buf1); + + len2 = 0; + cp2 = cp1; + test_assert(tor_zlib_process(state, &cp1, &len1, &ccp2, &len2, 1) + == TOR_ZLIB_DONE); + test_eq(len2, 0); + test_assert(cp1 > cp2); /* Make sure we really added something. */ + + tor_assert(!tor_gzip_uncompress(&buf3, &len2, buf1, 1024-len1, + ZLIB_METHOD, 1, LOG_WARN)); + test_streq(buf3, "ABCDEFGHIJABCDEFGHIJ"); /*Make sure it compressed right.*/ + + done: + if (state) + tor_zlib_free(state); + tor_free(buf2); + tor_free(buf3); + tor_free(buf1); +} + +/** Run unit tests for string-to-void* map functions */ +static void +test_util_strmap(void) +{ + strmap_t *map; + strmap_iter_t *iter; + const char *k; + void *v; + char *visited = NULL; + smartlist_t *found_keys = NULL; + + map = strmap_new(); + test_assert(map); + test_eq(strmap_size(map), 0); + test_assert(strmap_isempty(map)); + v = strmap_set(map, "K1", (void*)99); + test_eq(v, NULL); + test_assert(!strmap_isempty(map)); + v = strmap_set(map, "K2", (void*)101); + test_eq(v, NULL); + v = strmap_set(map, "K1", (void*)100); + test_eq(v, (void*)99); + test_eq_ptr(strmap_get(map,"K1"), (void*)100); + test_eq_ptr(strmap_get(map,"K2"), (void*)101); + test_eq_ptr(strmap_get(map,"K-not-there"), NULL); + strmap_assert_ok(map); + + v = strmap_remove(map,"K2"); + strmap_assert_ok(map); + test_eq_ptr(v, (void*)101); + test_eq_ptr(strmap_get(map,"K2"), NULL); + test_eq_ptr(strmap_remove(map,"K2"), NULL); + + strmap_set(map, "K2", (void*)101); + strmap_set(map, "K3", (void*)102); + strmap_set(map, "K4", (void*)103); + test_eq(strmap_size(map), 4); + strmap_assert_ok(map); + strmap_set(map, "K5", (void*)104); + strmap_set(map, "K6", (void*)105); + strmap_assert_ok(map); + + /* Test iterator. */ + iter = strmap_iter_init(map); + found_keys = smartlist_create(); + while (!strmap_iter_done(iter)) { + strmap_iter_get(iter,&k,&v); + smartlist_add(found_keys, tor_strdup(k)); + test_eq_ptr(v, strmap_get(map, k)); + + if (!strcmp(k, "K2")) { + iter = strmap_iter_next_rmv(map,iter); + } else { + iter = strmap_iter_next(map,iter); + } + } + + /* Make sure we removed K2, but not the others. */ + test_eq_ptr(strmap_get(map, "K2"), NULL); + test_eq_ptr(strmap_get(map, "K5"), (void*)104); + /* Make sure we visited everyone once */ + smartlist_sort_strings(found_keys); + visited = smartlist_join_strings(found_keys, ":", 0, NULL); + test_streq(visited, "K1:K2:K3:K4:K5:K6"); + + strmap_assert_ok(map); + /* Clean up after ourselves. */ + strmap_free(map, NULL); + map = NULL; + + /* Now try some lc functions. */ + map = strmap_new(); + strmap_set_lc(map,"Ab.C", (void*)1); + test_eq_ptr(strmap_get(map,"ab.c"), (void*)1); + strmap_assert_ok(map); + test_eq_ptr(strmap_get_lc(map,"AB.C"), (void*)1); + test_eq_ptr(strmap_get(map,"AB.C"), NULL); + test_eq_ptr(strmap_remove_lc(map,"aB.C"), (void*)1); + strmap_assert_ok(map); + test_eq_ptr(strmap_get_lc(map,"AB.C"), NULL); + + done: + if (map) + strmap_free(map,NULL); + if (found_keys) { + SMARTLIST_FOREACH(found_keys, char *, cp, tor_free(cp)); + smartlist_free(found_keys); + } + tor_free(visited); +} + +/** Run unit tests for mmap() wrapper functionality. */ +static void +test_util_mmap(void) +{ + char *fname1 = tor_strdup(get_fname("mapped_1")); + char *fname2 = tor_strdup(get_fname("mapped_2")); + char *fname3 = tor_strdup(get_fname("mapped_3")); + const size_t buflen = 17000; + char *buf = tor_malloc(17000); + tor_mmap_t *mapping = NULL; + + crypto_rand(buf, buflen); + + mapping = tor_mmap_file(fname1); + test_assert(! mapping); + + write_str_to_file(fname1, "Short file.", 1); + write_bytes_to_file(fname2, buf, buflen, 1); + write_bytes_to_file(fname3, buf, 16384, 1); + + mapping = tor_mmap_file(fname1); + test_assert(mapping); + test_eq(mapping->size, strlen("Short file.")); + test_streq(mapping->data, "Short file."); +#ifdef MS_WINDOWS + tor_munmap_file(mapping); + mapping = NULL; + test_assert(unlink(fname1) == 0); +#else + /* make sure we can unlink. */ + test_assert(unlink(fname1) == 0); + test_streq(mapping->data, "Short file."); + tor_munmap_file(mapping); + mapping = NULL; +#endif + + /* Now a zero-length file. */ + write_str_to_file(fname1, "", 1); + mapping = tor_mmap_file(fname1); + test_eq(mapping, NULL); + test_eq(ERANGE, errno); + unlink(fname1); + + /* Make sure that we fail to map a no-longer-existent file. */ + mapping = tor_mmap_file(fname1); + test_assert(mapping == NULL); + + /* Now try a big file that stretches across a few pages and isn't aligned */ + mapping = tor_mmap_file(fname2); + test_assert(mapping); + test_eq(mapping->size, buflen); + test_memeq(mapping->data, buf, buflen); + tor_munmap_file(mapping); + mapping = NULL; + + /* Now try a big aligned file. */ + mapping = tor_mmap_file(fname3); + test_assert(mapping); + test_eq(mapping->size, 16384); + test_memeq(mapping->data, buf, 16384); + tor_munmap_file(mapping); + mapping = NULL; + + done: + unlink(fname1); + unlink(fname2); + unlink(fname3); + + tor_free(fname1); + tor_free(fname2); + tor_free(fname3); + tor_free(buf); + + if (mapping) + tor_munmap_file(mapping); +} + +/** Run unit tests for escaping/unescaping data for use by controllers. */ +static void +test_util_control_formats(void) +{ + char *out = NULL; + const char *inp = + "..This is a test\r\nof the emergency \nbroadcast\r\n..system.\r\nZ.\r\n"; + size_t sz; + + sz = read_escaped_data(inp, strlen(inp), &out); + test_streq(out, + ".This is a test\nof the emergency \nbroadcast\n.system.\nZ.\n"); + test_eq(sz, strlen(out)); + + done: + tor_free(out); +} + +static void +test_util_sscanf(void) +{ + unsigned u1, u2, u3; + char s1[10], s2[10], s3[10], ch; + int r; + + r = tor_sscanf("hello world", "hello world"); /* String match: success */ + test_eq(r, 0); + r = tor_sscanf("hello world 3", "hello worlb %u", &u1); /* String fail */ + test_eq(r, 0); + r = tor_sscanf("12345", "%u", &u1); /* Simple number */ + test_eq(r, 1); + test_eq(u1, 12345u); + r = tor_sscanf("", "%u", &u1); /* absent number */ + test_eq(r, 0); + r = tor_sscanf("A", "%u", &u1); /* bogus number */ + test_eq(r, 0); + r = tor_sscanf("4294967295", "%u", &u1); /* UINT32_MAX should work. */ + test_eq(r, 1); + test_eq(u1, 4294967295u); + r = tor_sscanf("4294967296", "%u", &u1); /* Always say -1 at 32 bits. */ + test_eq(r, 0); + r = tor_sscanf("123456", "%2u%u", &u1, &u2); /* Width */ + test_eq(r, 2); + test_eq(u1, 12u); + test_eq(u2, 3456u); + r = tor_sscanf("!12:3:456", "!%2u:%2u:%3u", &u1, &u2, &u3); /* separators */ + test_eq(r, 3); + test_eq(u1, 12u); + test_eq(u2, 3u); + test_eq(u3, 456u); + r = tor_sscanf("12:3:045", "%2u:%2u:%3u", &u1, &u2, &u3); /* 0s */ + test_eq(r, 3); + test_eq(u1, 12u); + test_eq(u2, 3u); + test_eq(u3, 45u); + /* %u does not match space.*/ + r = tor_sscanf("12:3: 45", "%2u:%2u:%3u", &u1, &u2, &u3); + test_eq(r, 2); + /* %u does not match negative numbers. */ + r = tor_sscanf("12:3:-4", "%2u:%2u:%3u", &u1, &u2, &u3); + test_eq(r, 2); + /* Arbitrary amounts of 0-padding are okay */ + r = tor_sscanf("12:03:000000000000000099", "%2u:%2u:%u", &u1, &u2, &u3); + test_eq(r, 3); + test_eq(u1, 12u); + test_eq(u2, 3u); + test_eq(u3, 99u); + + r = tor_sscanf("99% fresh", "%3u%% fresh", &u1); /* percents are scannable.*/ + test_eq(r, 1); + test_eq(u1, 99); + + r = tor_sscanf("hello", "%s", s1); /* %s needs a number. */ + test_eq(r, -1); + + r = tor_sscanf("hello", "%3s%7s", s1, s2); /* %s matches characters. */ + test_eq(r, 2); + test_streq(s1, "hel"); + test_streq(s2, "lo"); + r = tor_sscanf("WD40", "%2s%u", s3, &u1); /* %s%u */ + test_eq(r, 2); + test_streq(s3, "WD"); + test_eq(u1, 40); + r = tor_sscanf("76trombones", "%6u%9s", &u1, s1); /* %u%s */ + test_eq(r, 2); + test_eq(u1, 76); + test_streq(s1, "trombones"); + r = tor_sscanf("hello world", "%9s %9s", s1, s2); /* %s doesn't eat space. */ + test_eq(r, 2); + test_streq(s1, "hello"); + test_streq(s2, "world"); + r = tor_sscanf("hi", "%9s%9s%3s", s1, s2, s3); /* %s can be empty. */ + test_eq(r, 3); + test_streq(s1, "hi"); + test_streq(s2, ""); + test_streq(s3, ""); + + r = tor_sscanf("1.2.3", "%u.%u.%u%c", &u1, &u2, &u3, &ch); + test_eq(r, 3); + r = tor_sscanf("1.2.3 foobar", "%u.%u.%u%c", &u1, &u2, &u3, &ch); + test_eq(r, 4); + + done: + ; +} + +/** Run unit tests for the onion handshake code. */ +static void +test_onion_handshake(void) +{ + /* client-side */ + crypto_dh_env_t *c_dh = NULL; + char c_buf[ONIONSKIN_CHALLENGE_LEN]; + char c_keys[40]; + + /* server-side */ + char s_buf[ONIONSKIN_REPLY_LEN]; + char s_keys[40]; + + /* shared */ + crypto_pk_env_t *pk = NULL; + + pk = pk_generate(0); + + /* client handshake 1. */ + memset(c_buf, 0, ONIONSKIN_CHALLENGE_LEN); + test_assert(! onion_skin_create(pk, &c_dh, c_buf)); + + /* server handshake */ + memset(s_buf, 0, ONIONSKIN_REPLY_LEN); + memset(s_keys, 0, 40); + test_assert(! onion_skin_server_handshake(c_buf, pk, NULL, + s_buf, s_keys, 40)); + + /* client handshake 2 */ + memset(c_keys, 0, 40); + test_assert(! onion_skin_client_handshake(c_dh, s_buf, c_keys, 40)); + + if (memcmp(c_keys, s_keys, 40)) { + puts("Aiiiie"); + exit(1); + } + test_memeq(c_keys, s_keys, 40); + memset(s_buf, 0, 40); + test_memneq(c_keys, s_buf, 40); + + done: + if (c_dh) + crypto_dh_free(c_dh); + if (pk) + crypto_free_pk_env(pk); +} + +/** Run unit tests for router descriptor generation logic. */ +static void +test_dir_format(void) +{ + char buf[8192], buf2[8192]; + char platform[256]; + char fingerprint[FINGERPRINT_LEN+1]; + char *pk1_str = NULL, *pk2_str = NULL, *pk3_str = NULL, *cp; + size_t pk1_str_len, pk2_str_len, pk3_str_len; + routerinfo_t *r1=NULL, *r2=NULL; + crypto_pk_env_t *pk1 = NULL, *pk2 = NULL, *pk3 = NULL; + routerinfo_t *rp1 = NULL; + addr_policy_t *ex1, *ex2; + routerlist_t *dir1 = NULL, *dir2 = NULL; + tor_version_t ver1; + + pk1 = pk_generate(0); + pk2 = pk_generate(1); + pk3 = pk_generate(2); + + test_assert( is_legal_nickname("a")); + test_assert(!is_legal_nickname("")); + test_assert(!is_legal_nickname("abcdefghijklmnopqrst")); /* 20 chars */ + test_assert(!is_legal_nickname("hyphen-")); /* bad char */ + test_assert( is_legal_nickname("abcdefghijklmnopqrs")); /* 19 chars */ + test_assert(!is_legal_nickname("$AAAAAAAA01234AAAAAAAAAAAAAAAAAAAAAAAAAAA")); + /* valid */ + test_assert( is_legal_nickname_or_hexdigest( + "$AAAAAAAA01234AAAAAAAAAAAAAAAAAAAAAAAAAAA")); + test_assert( is_legal_nickname_or_hexdigest( + "$AAAAAAAA01234AAAAAAAAAAAAAAAAAAAAAAAAAAA=fred")); + test_assert( is_legal_nickname_or_hexdigest( + "$AAAAAAAA01234AAAAAAAAAAAAAAAAAAAAAAAAAAA~fred")); + /* too short */ + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")); + /* illegal char */ + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAzAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")); + /* hex part too long */ + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")); + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=fred")); + /* Bad nickname */ + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=")); + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~")); + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~hyphen-")); + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA~" + "abcdefghijklmnoppqrst")); + /* Bad extra char. */ + test_assert(!is_legal_nickname_or_hexdigest( + "$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!")); + test_assert(is_legal_nickname_or_hexdigest("xyzzy")); + test_assert(is_legal_nickname_or_hexdigest("abcdefghijklmnopqrs")); + test_assert(!is_legal_nickname_or_hexdigest("abcdefghijklmnopqrst")); + + get_platform_str(platform, sizeof(platform)); + r1 = tor_malloc_zero(sizeof(routerinfo_t)); + r1->address = tor_strdup("18.244.0.1"); + r1->addr = 0xc0a80001u; /* 192.168.0.1 */ + r1->cache_info.published_on = 0; + r1->or_port = 9000; + r1->dir_port = 9003; + r1->onion_pkey = crypto_pk_dup_key(pk1); + r1->identity_pkey = crypto_pk_dup_key(pk2); + r1->bandwidthrate = 1000; + r1->bandwidthburst = 5000; + r1->bandwidthcapacity = 10000; + r1->exit_policy = NULL; + r1->nickname = tor_strdup("Magri"); + r1->platform = tor_strdup(platform); + + ex1 = tor_malloc_zero(sizeof(addr_policy_t)); + ex2 = tor_malloc_zero(sizeof(addr_policy_t)); + ex1->policy_type = ADDR_POLICY_ACCEPT; + tor_addr_from_ipv4h(&ex1->addr, 0); + ex1->maskbits = 0; + ex1->prt_min = ex1->prt_max = 80; + ex2->policy_type = ADDR_POLICY_REJECT; + tor_addr_from_ipv4h(&ex2->addr, 18<<24); + ex2->maskbits = 8; + ex2->prt_min = ex2->prt_max = 24; + r2 = tor_malloc_zero(sizeof(routerinfo_t)); + r2->address = tor_strdup("1.1.1.1"); + r2->addr = 0x0a030201u; /* 10.3.2.1 */ + r2->platform = tor_strdup(platform); + r2->cache_info.published_on = 5; + r2->or_port = 9005; + r2->dir_port = 0; + r2->onion_pkey = crypto_pk_dup_key(pk2); + r2->identity_pkey = crypto_pk_dup_key(pk1); + r2->bandwidthrate = r2->bandwidthburst = r2->bandwidthcapacity = 3000; + r2->exit_policy = smartlist_create(); + smartlist_add(r2->exit_policy, ex2); + smartlist_add(r2->exit_policy, ex1); + r2->nickname = tor_strdup("Fred"); + + test_assert(!crypto_pk_write_public_key_to_string(pk1, &pk1_str, + &pk1_str_len)); + test_assert(!crypto_pk_write_public_key_to_string(pk2 , &pk2_str, + &pk2_str_len)); + test_assert(!crypto_pk_write_public_key_to_string(pk3 , &pk3_str, + &pk3_str_len)); + + memset(buf, 0, 2048); + test_assert(router_dump_router_to_string(buf, 2048, r1, pk2)>0); + + strlcpy(buf2, "router Magri 18.244.0.1 9000 0 9003\n" + "platform Tor "VERSION" on ", sizeof(buf2)); + strlcat(buf2, get_uname(), sizeof(buf2)); + strlcat(buf2, "\n" + "opt protocols Link 1 2 Circuit 1\n" + "published 1970-01-01 00:00:00\n" + "opt fingerprint ", sizeof(buf2)); + test_assert(!crypto_pk_get_fingerprint(pk2, fingerprint, 1)); + strlcat(buf2, fingerprint, sizeof(buf2)); + strlcat(buf2, "\nuptime 0\n" + /* XXX the "0" above is hard-coded, but even if we made it reflect + * uptime, that still wouldn't make it right, because the two + * descriptors might be made on different seconds... hm. */ + "bandwidth 1000 5000 10000\n" + "opt extra-info-digest 0000000000000000000000000000000000000000\n" + "onion-key\n", sizeof(buf2)); + strlcat(buf2, pk1_str, sizeof(buf2)); + strlcat(buf2, "signing-key\n", sizeof(buf2)); + strlcat(buf2, pk2_str, sizeof(buf2)); + strlcat(buf2, "opt hidden-service-dir\n", sizeof(buf2)); + strlcat(buf2, "reject *:*\nrouter-signature\n", sizeof(buf2)); + buf[strlen(buf2)] = '\0'; /* Don't compare the sig; it's never the same + * twice */ + + test_streq(buf, buf2); + + test_assert(router_dump_router_to_string(buf, 2048, r1, pk2)>0); + cp = buf; + rp1 = router_parse_entry_from_string((const char*)cp,NULL,1,0,NULL); + test_assert(rp1); + test_streq(rp1->address, r1->address); + test_eq(rp1->or_port, r1->or_port); + //test_eq(rp1->dir_port, r1->dir_port); + test_eq(rp1->bandwidthrate, r1->bandwidthrate); + test_eq(rp1->bandwidthburst, r1->bandwidthburst); + test_eq(rp1->bandwidthcapacity, r1->bandwidthcapacity); + test_assert(crypto_pk_cmp_keys(rp1->onion_pkey, pk1) == 0); + test_assert(crypto_pk_cmp_keys(rp1->identity_pkey, pk2) == 0); + //test_assert(rp1->exit_policy == NULL); + +#if 0 + /* XXX Once we have exit policies, test this again. XXX */ + strlcpy(buf2, "router tor.tor.tor 9005 0 0 3000\n", sizeof(buf2)); + strlcat(buf2, pk2_str, sizeof(buf2)); + strlcat(buf2, "signing-key\n", sizeof(buf2)); + strlcat(buf2, pk1_str, sizeof(buf2)); + strlcat(buf2, "accept *:80\nreject 18.*:24\n\n", sizeof(buf2)); + test_assert(router_dump_router_to_string(buf, 2048, &r2, pk2)>0); + test_streq(buf, buf2); + + cp = buf; + rp2 = router_parse_entry_from_string(&cp,1); + test_assert(rp2); + test_streq(rp2->address, r2.address); + test_eq(rp2->or_port, r2.or_port); + test_eq(rp2->dir_port, r2.dir_port); + test_eq(rp2->bandwidth, r2.bandwidth); + test_assert(crypto_pk_cmp_keys(rp2->onion_pkey, pk2) == 0); + test_assert(crypto_pk_cmp_keys(rp2->identity_pkey, pk1) == 0); + test_eq(rp2->exit_policy->policy_type, EXIT_POLICY_ACCEPT); + test_streq(rp2->exit_policy->string, "accept *:80"); + test_streq(rp2->exit_policy->address, "*"); + test_streq(rp2->exit_policy->port, "80"); + test_eq(rp2->exit_policy->next->policy_type, EXIT_POLICY_REJECT); + test_streq(rp2->exit_policy->next->string, "reject 18.*:24"); + test_streq(rp2->exit_policy->next->address, "18.*"); + test_streq(rp2->exit_policy->next->port, "24"); + test_assert(rp2->exit_policy->next->next == NULL); + + /* Okay, now for the directories. */ + { + fingerprint_list = smartlist_create(); + crypto_pk_get_fingerprint(pk2, buf, 1); + add_fingerprint_to_dir("Magri", buf, fingerprint_list); + crypto_pk_get_fingerprint(pk1, buf, 1); + add_fingerprint_to_dir("Fred", buf, fingerprint_list); + } + + { + char d[DIGEST_LEN]; + const char *m; + /* XXXX NM re-enable. */ + /* Make sure routers aren't too far in the past any more. */ + r1->cache_info.published_on = time(NULL); + r2->cache_info.published_on = time(NULL)-3*60*60; + test_assert(router_dump_router_to_string(buf, 2048, r1, pk2)>0); + test_eq(dirserv_add_descriptor(buf,&m,""), ROUTER_ADDED_NOTIFY_GENERATOR); + test_assert(router_dump_router_to_string(buf, 2048, r2, pk1)>0); + test_eq(dirserv_add_descriptor(buf,&m,""), ROUTER_ADDED_NOTIFY_GENERATOR); + get_options()->Nickname = tor_strdup("DirServer"); + test_assert(!dirserv_dump_directory_to_string(&cp,pk3, 0)); + crypto_pk_get_digest(pk3, d); + test_assert(!router_parse_directory(cp)); + test_eq(2, smartlist_len(dir1->routers)); + tor_free(cp); + } +#endif + dirserv_free_fingerprint_list(); + + /* Try out version parsing functionality */ + test_eq(0, tor_version_parse("0.3.4pre2-cvs", &ver1)); + test_eq(0, ver1.major); + test_eq(3, ver1.minor); + test_eq(4, ver1.micro); + test_eq(VER_PRE, ver1.status); + test_eq(2, ver1.patchlevel); + test_eq(0, tor_version_parse("0.3.4rc1", &ver1)); + test_eq(0, ver1.major); + test_eq(3, ver1.minor); + test_eq(4, ver1.micro); + test_eq(VER_RC, ver1.status); + test_eq(1, ver1.patchlevel); + test_eq(0, tor_version_parse("1.3.4", &ver1)); + test_eq(1, ver1.major); + test_eq(3, ver1.minor); + test_eq(4, ver1.micro); + test_eq(VER_RELEASE, ver1.status); + test_eq(0, ver1.patchlevel); + test_eq(0, tor_version_parse("1.3.4.999", &ver1)); + test_eq(1, ver1.major); + test_eq(3, ver1.minor); + test_eq(4, ver1.micro); + test_eq(VER_RELEASE, ver1.status); + test_eq(999, ver1.patchlevel); + test_eq(0, tor_version_parse("0.1.2.4-alpha", &ver1)); + test_eq(0, ver1.major); + test_eq(1, ver1.minor); + test_eq(2, ver1.micro); + test_eq(4, ver1.patchlevel); + test_eq(VER_RELEASE, ver1.status); + test_streq("alpha", ver1.status_tag); + test_eq(0, tor_version_parse("0.1.2.4", &ver1)); + test_eq(0, ver1.major); + test_eq(1, ver1.minor); + test_eq(2, ver1.micro); + test_eq(4, ver1.patchlevel); + test_eq(VER_RELEASE, ver1.status); + test_streq("", ver1.status_tag); + +#define tt_versionstatus_op(vs1, op, vs2) \ + tt_assert_test_type(vs1,vs2,#vs1" "#op" "#vs2,version_status_t, \ + (_val1 op _val2),"%d") +#define test_v_i_o(val, ver, lst) \ + tt_versionstatus_op(val, ==, tor_version_is_obsolete(ver, lst)) + + /* make sure tor_version_is_obsolete() works */ + test_v_i_o(VS_OLD, "0.0.1", "Tor 0.0.2"); + test_v_i_o(VS_OLD, "0.0.1", "0.0.2, Tor 0.0.3"); + test_v_i_o(VS_OLD, "0.0.1", "0.0.2,Tor 0.0.3"); + test_v_i_o(VS_OLD, "0.0.1","0.0.3,BetterTor 0.0.1"); + test_v_i_o(VS_RECOMMENDED, "0.0.2", "Tor 0.0.2,Tor 0.0.3"); + test_v_i_o(VS_NEW_IN_SERIES, "0.0.2", "Tor 0.0.2pre1,Tor 0.0.3"); + test_v_i_o(VS_OLD, "0.0.2", "Tor 0.0.2.1,Tor 0.0.3"); + test_v_i_o(VS_NEW, "0.1.0", "Tor 0.0.2,Tor 0.0.3"); + test_v_i_o(VS_RECOMMENDED, "0.0.7rc2", "0.0.7,Tor 0.0.7rc2,Tor 0.0.8"); + test_v_i_o(VS_OLD, "0.0.5.0", "0.0.5.1-cvs"); + test_v_i_o(VS_NEW_IN_SERIES, "0.0.5.1-cvs", "0.0.5, 0.0.6"); + /* Not on list, but newer than any in same series. */ + test_v_i_o(VS_NEW_IN_SERIES, "0.1.0.3", + "Tor 0.1.0.2,Tor 0.0.9.5,Tor 0.1.1.0"); + /* Series newer than any on list. */ + test_v_i_o(VS_NEW, "0.1.2.3", "Tor 0.1.0.2,Tor 0.0.9.5,Tor 0.1.1.0"); + /* Series older than any on list. */ + test_v_i_o(VS_OLD, "0.0.1.3", "Tor 0.1.0.2,Tor 0.0.9.5,Tor 0.1.1.0"); + /* Not on list, not newer than any on same series. */ + test_v_i_o(VS_UNRECOMMENDED, "0.1.0.1", + "Tor 0.1.0.2,Tor 0.0.9.5,Tor 0.1.1.0"); + /* On list, not newer than any on same series. */ + test_v_i_o(VS_UNRECOMMENDED, + "0.1.0.1", "Tor 0.1.0.2,Tor 0.0.9.5,Tor 0.1.1.0"); + test_eq(0, tor_version_as_new_as("Tor 0.0.5", "0.0.9pre1-cvs")); + test_eq(1, tor_version_as_new_as( + "Tor 0.0.8 on Darwin 64-121-192-100.c3-0." + "sfpo-ubr1.sfrn-sfpo.ca.cable.rcn.com Power Macintosh", + "0.0.8rc2")); + test_eq(0, tor_version_as_new_as( + "Tor 0.0.8 on Darwin 64-121-192-100.c3-0." + "sfpo-ubr1.sfrn-sfpo.ca.cable.rcn.com Power Macintosh", "0.0.8.2")); + + /* Now try svn revisions. */ + test_eq(1, tor_version_as_new_as("Tor 0.2.1.0-dev (r100)", + "Tor 0.2.1.0-dev (r99)")); + test_eq(1, tor_version_as_new_as("Tor 0.2.1.0-dev (r100) on Banana Jr", + "Tor 0.2.1.0-dev (r99) on Hal 9000")); + test_eq(1, tor_version_as_new_as("Tor 0.2.1.0-dev (r100)", + "Tor 0.2.1.0-dev on Colossus")); + test_eq(0, tor_version_as_new_as("Tor 0.2.1.0-dev (r99)", + "Tor 0.2.1.0-dev (r100)")); + test_eq(0, tor_version_as_new_as("Tor 0.2.1.0-dev (r99) on MCP", + "Tor 0.2.1.0-dev (r100) on AM")); + test_eq(0, tor_version_as_new_as("Tor 0.2.1.0-dev", + "Tor 0.2.1.0-dev (r99)")); + test_eq(1, tor_version_as_new_as("Tor 0.2.1.1", + "Tor 0.2.1.0-dev (r99)")); + + /* Now try git revisions */ + test_eq(0, tor_version_parse("0.5.6.7 (git-ff00ff)", &ver1)); + test_eq(0, ver1.major); + test_eq(5, ver1.minor); + test_eq(6, ver1.micro); + test_eq(7, ver1.patchlevel); + test_eq(3, ver1.git_tag_len); + test_memeq(ver1.git_tag, "\xff\x00\xff", 3); + test_eq(-1, tor_version_parse("0.5.6.7 (git-ff00xx)", &ver1)); + test_eq(-1, tor_version_parse("0.5.6.7 (git-ff00fff)", &ver1)); + test_eq(0, tor_version_parse("0.5.6.7 (git ff00fff)", &ver1)); + + done: + if (r1) + routerinfo_free(r1); + if (r2) + routerinfo_free(r2); + + tor_free(pk1_str); + tor_free(pk2_str); + tor_free(pk3_str); + if (pk1) crypto_free_pk_env(pk1); + if (pk2) crypto_free_pk_env(pk2); + if (pk3) crypto_free_pk_env(pk3); + if (rp1) routerinfo_free(rp1); + tor_free(dir1); /* XXXX And more !*/ + tor_free(dir2); /* And more !*/ +} + +/** Run unit tests for misc directory functions. */ +static void +test_dirutil(void) +{ + smartlist_t *sl = smartlist_create(); + fp_pair_t *pair; + + dir_split_resource_into_fingerprint_pairs( + /* Two pairs, out of order, with one duplicate. */ + "73656372657420646174612E0000000000FFFFFF-" + "557365204145532d32353620696e73746561642e+" + "73656372657420646174612E0000000000FFFFFF-" + "557365204145532d32353620696e73746561642e+" + "48657861646563696d616c2069736e277420736f-" + "676f6f6420666f7220686964696e6720796f7572.z", sl); + + test_eq(smartlist_len(sl), 2); + pair = smartlist_get(sl, 0); + test_memeq(pair->first, "Hexadecimal isn't so", DIGEST_LEN); + test_memeq(pair->second, "good for hiding your", DIGEST_LEN); + pair = smartlist_get(sl, 1); + test_memeq(pair->first, "secret data.\0\0\0\0\0\xff\xff\xff", DIGEST_LEN); + test_memeq(pair->second, "Use AES-256 instead.", DIGEST_LEN); + + done: + SMARTLIST_FOREACH(sl, fp_pair_t *, pair, tor_free(pair)); + smartlist_free(sl); +} + +static void +test_dirutil_measured_bw(void) +{ + measured_bw_line_t mbwl; + int i; + const char *lines_pass[] = { + "node_id=$557365204145532d32353620696e73746561642e bw=1024\n", + "node_id=$557365204145532d32353620696e73746561642e\t bw=1024 \n", + " node_id=$557365204145532d32353620696e73746561642e bw=1024\n", + "\tnoise\tnode_id=$557365204145532d32353620696e73746561642e " + "bw=1024 junk=007\n", + "misc=junk node_id=$557365204145532d32353620696e73746561642e " + "bw=1024 junk=007\n", + "end" + }; + const char *lines_fail[] = { + /* Test possible python stupidity on input */ + "node_id=None bw=1024\n", + "node_id=$None bw=1024\n", + "node_id=$557365204145532d32353620696e73746561642e bw=None\n", + "node_id=$557365204145532d32353620696e73746561642e bw=1024.0\n", + "node_id=$557365204145532d32353620696e73746561642e bw=.1024\n", + "node_id=$557365204145532d32353620696e73746561642e bw=1.024\n", + "node_id=$557365204145532d32353620696e73746561642e bw=1024 bw=0\n", + "node_id=$557365204145532d32353620696e73746561642e bw=1024 bw=None\n", + "node_id=$557365204145532d32353620696e73746561642e bw=-1024\n", + /* Test incomplete writes due to race conditions, partial copies, etc */ + "node_i", + "node_i\n", + "node_id=", + "node_id=\n", + "node_id=$557365204145532d32353620696e73746561642e bw=", + "node_id=$557365204145532d32353620696e73746561642e bw=1024", + "node_id=$557365204145532d32353620696e73746561642e bw=\n", + "node_id=$557365204145532d32353620696e7374", + "node_id=$557365204145532d32353620696e7374\n", + "", + "\n", + " \n ", + " \n\n", + /* Test assorted noise */ + " node_id= ", + "node_id==$557365204145532d32353620696e73746561642e bw==1024\n", + "node_id=$55736520414552d32353620696e73746561642e bw=1024\n", + "node_id=557365204145532d32353620696e73746561642e bw=1024\n", + "node_id= $557365204145532d32353620696e73746561642e bw=0.23\n", + "end" + }; + + for (i = 0; strcmp(lines_fail[i], "end"); i++) { + //fprintf(stderr, "Testing: %s\n", lines_fail[i]); + test_assert(measured_bw_line_parse(&mbwl, lines_fail[i]) == -1); + } + + for (i = 0; strcmp(lines_pass[i], "end"); i++) { + //fprintf(stderr, "Testing: %s %d\n", lines_pass[i], TOR_ISSPACE('\n')); + test_assert(measured_bw_line_parse(&mbwl, lines_pass[i]) == 0); + test_assert(mbwl.bw == 1024); + test_assert(strcmp(mbwl.node_hex, + "557365204145532d32353620696e73746561642e") == 0); + } + +done: + return; +} + +static void +test_dirutil_param_voting(void) +{ + networkstatus_t vote1, vote2, vote3, vote4; + smartlist_t *votes = smartlist_create(); + char *res = NULL; + + /* dirvote_compute_params only looks at the net_params field of the votes, + so that's all we need to set. + */ + memset(&vote1, 0, sizeof(vote1)); + memset(&vote2, 0, sizeof(vote2)); + memset(&vote3, 0, sizeof(vote3)); + memset(&vote4, 0, sizeof(vote4)); + vote1.net_params = smartlist_create(); + vote2.net_params = smartlist_create(); + vote3.net_params = smartlist_create(); + vote4.net_params = smartlist_create(); + smartlist_split_string(vote1.net_params, + "ab=90 abcd=20 cw=50 x-yz=-99", NULL, 0, 0); + smartlist_split_string(vote2.net_params, + "ab=27 cw=5 x-yz=88", NULL, 0, 0); + smartlist_split_string(vote3.net_params, + "abcd=20 c=60 cw=500 x-yz=-9 zzzzz=101", NULL, 0, 0); + smartlist_split_string(vote4.net_params, + "ab=900 abcd=200 c=1 cw=51 x-yz=100", NULL, 0, 0); + test_eq(100, networkstatus_get_param(&vote4, "x-yz", 50)); + test_eq(222, networkstatus_get_param(&vote4, "foobar", 222)); + + smartlist_add(votes, &vote1); + smartlist_add(votes, &vote2); + smartlist_add(votes, &vote3); + smartlist_add(votes, &vote4); + + res = dirvote_compute_params(votes); + test_streq(res, + "ab=90 abcd=20 c=1 cw=50 x-yz=-9 zzzzz=101"); + + done: + tor_free(res); + SMARTLIST_FOREACH(vote1.net_params, char *, cp, tor_free(cp)); + SMARTLIST_FOREACH(vote2.net_params, char *, cp, tor_free(cp)); + SMARTLIST_FOREACH(vote3.net_params, char *, cp, tor_free(cp)); + SMARTLIST_FOREACH(vote4.net_params, char *, cp, tor_free(cp)); + smartlist_free(vote1.net_params); + smartlist_free(vote2.net_params); + smartlist_free(vote3.net_params); + smartlist_free(vote4.net_params); + + return; +} + +static void +test_circuit_timeout(void) +{ + /* Plan: + * 1. Generate 1000 samples + * 2. Estimate parameters + * 3. If difference, repeat + * 4. Save state + * 5. load state + * 6. Estimate parameters + * 7. compare differences + */ + circuit_build_times_t initial; + circuit_build_times_t estimate; + circuit_build_times_t final; + double timeout1, timeout2; + or_state_t state; + char *msg; + int i, runs; + circuit_build_times_init(&initial); + circuit_build_times_init(&estimate); + circuit_build_times_init(&final); + + memset(&state, 0, sizeof(or_state_t)); + + circuitbuild_running_unit_tests(); +#define timeout0 (build_time_t)(30*1000.0) + initial.Xm = 750; + circuit_build_times_initial_alpha(&initial, BUILDTIMEOUT_QUANTILE_CUTOFF, + timeout0); + do { + int n = 0; + for (i=0; i < MIN_CIRCUITS_TO_OBSERVE; i++) { + if (circuit_build_times_add_time(&estimate, + circuit_build_times_generate_sample(&initial, 0, 1)) == 0) { + n++; + } + } + circuit_build_times_update_alpha(&estimate); + timeout1 = circuit_build_times_calculate_timeout(&estimate, + BUILDTIMEOUT_QUANTILE_CUTOFF); + circuit_build_times_set_timeout(&estimate); + log_warn(LD_CIRC, "Timeout is %lf, Xm is %d", timeout1, estimate.Xm); + /* XXX: 5% distribution error may not be the right metric */ + } while (fabs(circuit_build_times_cdf(&initial, timeout0) - + circuit_build_times_cdf(&initial, timeout1)) > 0.05 + /* 5% error */ + && estimate.total_build_times < NCIRCUITS_TO_OBSERVE); + + test_assert(estimate.total_build_times < NCIRCUITS_TO_OBSERVE); + + circuit_build_times_update_state(&estimate, &state); + test_assert(circuit_build_times_parse_state(&final, &state, &msg) == 0); + + circuit_build_times_update_alpha(&final); + timeout2 = circuit_build_times_calculate_timeout(&final, + BUILDTIMEOUT_QUANTILE_CUTOFF); + + circuit_build_times_set_timeout(&final); + log_warn(LD_CIRC, "Timeout is %lf, Xm is %d", timeout2, final.Xm); + + test_assert(fabs(circuit_build_times_cdf(&initial, timeout0) - + circuit_build_times_cdf(&initial, timeout2)) < 0.05); + + for (runs = 0; runs < 50; runs++) { + int build_times_idx = 0; + int total_build_times = 0; + + final.timeout_ms = BUILD_TIMEOUT_INITIAL_VALUE; + estimate.timeout_ms = BUILD_TIMEOUT_INITIAL_VALUE; + + for (i = 0; i < RECENT_CIRCUITS*2; i++) { + circuit_build_times_network_circ_success(&estimate); + circuit_build_times_add_time(&estimate, + circuit_build_times_generate_sample(&estimate, 0, + BUILDTIMEOUT_QUANTILE_CUTOFF)); + estimate.have_computed_timeout = 1; + circuit_build_times_network_circ_success(&estimate); + circuit_build_times_add_time(&final, + circuit_build_times_generate_sample(&final, 0, + BUILDTIMEOUT_QUANTILE_CUTOFF)); + final.have_computed_timeout = 1; + } + + test_assert(!circuit_build_times_network_check_changed(&estimate)); + test_assert(!circuit_build_times_network_check_changed(&final)); + + /* Reset liveness to be non-live */ + final.liveness.network_last_live = 0; + estimate.liveness.network_last_live = 0; + + build_times_idx = estimate.build_times_idx; + total_build_times = estimate.total_build_times; + for (i = 0; i < NETWORK_NONLIVE_TIMEOUT_COUNT; i++) { + test_assert(circuit_build_times_network_check_live(&estimate)); + test_assert(circuit_build_times_network_check_live(&final)); + + if (circuit_build_times_add_timeout(&estimate, 0, + (time_t)(approx_time()-estimate.timeout_ms/1000.0-1))) + estimate.have_computed_timeout = 1; + if (circuit_build_times_add_timeout(&final, 0, + (time_t)(approx_time()-final.timeout_ms/1000.0-1))) + final.have_computed_timeout = 1; + } + + test_assert(!circuit_build_times_network_check_live(&estimate)); + test_assert(!circuit_build_times_network_check_live(&final)); + + for ( ; i < NETWORK_NONLIVE_DISCARD_COUNT; i++) { + if (circuit_build_times_add_timeout(&estimate, 0, + (time_t)(approx_time()-estimate.timeout_ms/1000.0-1))) + estimate.have_computed_timeout = 1; + + if (i < NETWORK_NONLIVE_DISCARD_COUNT-1) { + if (circuit_build_times_add_timeout(&final, 0, + (time_t)(approx_time()-final.timeout_ms/1000.0-1))) + final.have_computed_timeout = 1; + } + } + + test_assert(!circuit_build_times_network_check_live(&estimate)); + test_assert(!circuit_build_times_network_check_live(&final)); + + log_info(LD_CIRC, "idx: %d %d, tot: %d %d", + build_times_idx, estimate.build_times_idx, + total_build_times, estimate.total_build_times); + + /* Check rollback index. Should match top of loop. */ + test_assert(build_times_idx == estimate.build_times_idx); + test_assert(total_build_times == estimate.total_build_times); + + /* Now simulate that the network has become live and we need + * a change */ + circuit_build_times_network_is_live(&estimate); + circuit_build_times_network_is_live(&final); + + for (i = 0; i < MAX_RECENT_TIMEOUT_COUNT; i++) { + if (circuit_build_times_add_timeout(&estimate, 1, approx_time()-1)) + estimate.have_computed_timeout = 1; + + if (i < MAX_RECENT_TIMEOUT_COUNT-1) { + if (circuit_build_times_add_timeout(&final, 1, approx_time()-1)) + final.have_computed_timeout = 1; + } + } + + test_assert(estimate.liveness.after_firsthop_idx == 0); + test_assert(final.liveness.after_firsthop_idx == + MAX_RECENT_TIMEOUT_COUNT-1); + + test_assert(circuit_build_times_network_check_live(&estimate)); + test_assert(circuit_build_times_network_check_live(&final)); + + if (circuit_build_times_add_timeout(&final, 1, approx_time()-1)) + final.have_computed_timeout = 1; + + } + +done: + return; +} + +extern const char AUTHORITY_CERT_1[]; +extern const char AUTHORITY_SIGNKEY_1[]; +extern const char AUTHORITY_CERT_2[]; +extern const char AUTHORITY_SIGNKEY_2[]; +extern const char AUTHORITY_CERT_3[]; +extern const char AUTHORITY_SIGNKEY_3[]; + +/** Helper: Test that two networkstatus_voter_info_t do in fact represent the + * same voting authority, and that they do in fact have all the same + * information. */ +static void +test_same_voter(networkstatus_voter_info_t *v1, + networkstatus_voter_info_t *v2) +{ + test_streq(v1->nickname, v2->nickname); + test_memeq(v1->identity_digest, v2->identity_digest, DIGEST_LEN); + test_streq(v1->address, v2->address); + test_eq(v1->addr, v2->addr); + test_eq(v1->dir_port, v2->dir_port); + test_eq(v1->or_port, v2->or_port); + test_streq(v1->contact, v2->contact); + test_memeq(v1->vote_digest, v2->vote_digest, DIGEST_LEN); + done: + ; +} + +/** Run unit tests for getting the median of a list. */ +static void +test_util_order_functions(void) +{ + int lst[25], n = 0; + // int a=12,b=24,c=25,d=60,e=77; + +#define median() median_int(lst, n) + + lst[n++] = 12; + test_eq(12, median()); /* 12 */ + lst[n++] = 77; + //smartlist_shuffle(sl); + test_eq(12, median()); /* 12, 77 */ + lst[n++] = 77; + //smartlist_shuffle(sl); + test_eq(77, median()); /* 12, 77, 77 */ + lst[n++] = 24; + test_eq(24, median()); /* 12,24,77,77 */ + lst[n++] = 60; + lst[n++] = 12; + lst[n++] = 25; + //smartlist_shuffle(sl); + test_eq(25, median()); /* 12,12,24,25,60,77,77 */ +#undef median + + done: + ; +} + +/** Helper: Make a new routerinfo containing the right information for a + * given vote_routerstatus_t. */ +static routerinfo_t * +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)); + 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_create(); + r->cache_info.published_on = ++published + time(NULL); + return r; +} + +/** Run unit tests for generating and parsing V3 consensus networkstatus + * documents. */ +static void +test_v3_networkstatus(void) +{ + authority_cert_t *cert1=NULL, *cert2=NULL, *cert3=NULL; + crypto_pk_env_t *sign_skey_1=NULL, *sign_skey_2=NULL, *sign_skey_3=NULL; + crypto_pk_env_t *sign_skey_leg1=NULL; + const char *msg=NULL; + + time_t now = time(NULL); + networkstatus_voter_info_t *voter; + networkstatus_t *vote=NULL, *v1=NULL, *v2=NULL, *v3=NULL, *con=NULL; + vote_routerstatus_t *vrs; + routerstatus_t *rs; + char *v1_text=NULL, *v2_text=NULL, *v3_text=NULL, *consensus_text=NULL, *cp; + smartlist_t *votes = smartlist_create(); + + /* For generating the two other consensuses. */ + char *detached_text1=NULL, *detached_text2=NULL; + char *consensus_text2=NULL, *consensus_text3=NULL; + networkstatus_t *con2=NULL, *con3=NULL; + ns_detached_signatures_t *dsig1=NULL, *dsig2=NULL; + + /* Parse certificates and keys. */ + cert1 = authority_cert_parse_from_string(AUTHORITY_CERT_1, NULL); + test_assert(cert1); + test_assert(cert1->is_cross_certified); + cert2 = authority_cert_parse_from_string(AUTHORITY_CERT_2, NULL); + test_assert(cert2); + cert3 = authority_cert_parse_from_string(AUTHORITY_CERT_3, NULL); + test_assert(cert3); + sign_skey_1 = crypto_new_pk_env(); + sign_skey_2 = crypto_new_pk_env(); + sign_skey_3 = crypto_new_pk_env(); + sign_skey_leg1 = pk_generate(4); + + test_assert(!crypto_pk_read_private_key_from_string(sign_skey_1, + AUTHORITY_SIGNKEY_1)); + test_assert(!crypto_pk_read_private_key_from_string(sign_skey_2, + AUTHORITY_SIGNKEY_2)); + test_assert(!crypto_pk_read_private_key_from_string(sign_skey_3, + AUTHORITY_SIGNKEY_3)); + + test_assert(!crypto_pk_cmp_keys(sign_skey_1, cert1->signing_key)); + test_assert(!crypto_pk_cmp_keys(sign_skey_2, cert2->signing_key)); + + /* + * Set up a vote; generate it; try to parse it. + */ + vote = tor_malloc_zero(sizeof(networkstatus_t)); + vote->type = NS_TYPE_VOTE; + vote->published = now; + vote->valid_after = now+1000; + vote->fresh_until = now+2000; + vote->valid_until = now+3000; + vote->vote_seconds = 100; + vote->dist_seconds = 200; + vote->supported_methods = smartlist_create(); + 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"); + vote->known_flags = smartlist_create(); + smartlist_split_string(vote->known_flags, + "Authority Exit Fast Guard Running Stable V2Dir Valid", + 0, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); + vote->voters = smartlist_create(); + 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(cert1->identity_key, voter->identity_digest); + smartlist_add(vote->voters, voter); + vote->cert = authority_cert_dup(cert1); + vote->net_params = smartlist_create(); + smartlist_split_string(vote->net_params, "circuitwindow=101 foo=990", + NULL, 0, 0); + vote->routerstatus_list = smartlist_create(); + /* add 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, 3, DIGEST_LEN); + memset(rs->descriptor_digest, 78, DIGEST_LEN); + rs->addr = 0x99008801; + rs->or_port = 443; + rs->dir_port = 8000; + /* all flags but running cleared */ + rs->is_running = 1; + smartlist_add(vote->routerstatus_list, vrs); + test_assert(router_add_to_routerlist(generate_ri_from_rs(vrs), &msg,0,0)>=0); + + /* add 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, 5, DIGEST_LEN); + memset(rs->descriptor_digest, 77, DIGEST_LEN); + rs->addr = 0x99009901; + rs->or_port = 443; + rs->dir_port = 0; + rs->is_exit = rs->is_stable = rs->is_fast = rs->is_running = + rs->is_valid = rs->is_v2_dir = rs->is_possible_guard = 1; + smartlist_add(vote->routerstatus_list, vrs); + test_assert(router_add_to_routerlist(generate_ri_from_rs(vrs), &msg,0,0)>=0); + + /* add 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, 33, DIGEST_LEN); + memset(rs->descriptor_digest, 79, 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_running = rs->is_valid = rs->is_v2_dir = rs->is_possible_guard = 1; + smartlist_add(vote->routerstatus_list, vrs); + test_assert(router_add_to_routerlist(generate_ri_from_rs(vrs), &msg,0,0)>=0); + + /* add 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, 34, DIGEST_LEN); + memset(rs->descriptor_digest, 48, DIGEST_LEN); + rs->addr = 0xC0000203; + rs->or_port = 500; + rs->dir_port = 1999; + /* Running flag (and others) cleared */ + smartlist_add(vote->routerstatus_list, vrs); + test_assert(router_add_to_routerlist(generate_ri_from_rs(vrs), &msg,0,0)>=0); + + /* dump the vote and try to parse it. */ + v1_text = format_networkstatus_vote(sign_skey_1, vote); + test_assert(v1_text); + v1 = networkstatus_parse_vote_from_string(v1_text, NULL, NS_TYPE_VOTE); + test_assert(v1); + + /* Make sure the parsed thing was right. */ + test_eq(v1->type, NS_TYPE_VOTE); + test_eq(v1->published, vote->published); + test_eq(v1->valid_after, vote->valid_after); + test_eq(v1->fresh_until, vote->fresh_until); + test_eq(v1->valid_until, vote->valid_until); + test_eq(v1->vote_seconds, vote->vote_seconds); + test_eq(v1->dist_seconds, vote->dist_seconds); + test_streq(v1->client_versions, vote->client_versions); + test_streq(v1->server_versions, vote->server_versions); + test_assert(v1->voters && smartlist_len(v1->voters)); + voter = smartlist_get(v1->voters, 0); + test_streq(voter->nickname, "Voter1"); + test_streq(voter->address, "1.2.3.4"); + test_eq(voter->addr, 0x01020304); + test_eq(voter->dir_port, 80); + test_eq(voter->or_port, 9000); + test_streq(voter->contact, "voter@example.com"); + test_assert(v1->cert); + test_assert(!crypto_pk_cmp_keys(sign_skey_1, v1->cert->signing_key)); + cp = smartlist_join_strings(v1->known_flags, ":", 0, NULL); + test_streq(cp, "Authority:Exit:Fast:Guard:Running:Stable:V2Dir:Valid"); + tor_free(cp); + test_eq(smartlist_len(v1->routerstatus_list), 4); + /* Check the first routerstatus. */ + vrs = smartlist_get(v1->routerstatus_list, 0); + rs = &vrs->status; + test_streq(vrs->version, "0.1.2.14"); + test_eq(rs->published_on, now-1500); + test_streq(rs->nickname, "router2"); + test_memeq(rs->identity_digest, + "\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3", + DIGEST_LEN); + test_memeq(rs->descriptor_digest, "NNNNNNNNNNNNNNNNNNNN", DIGEST_LEN); + test_eq(rs->addr, 0x99008801); + test_eq(rs->or_port, 443); + test_eq(rs->dir_port, 8000); + test_eq(vrs->flags, U64_LITERAL(16)); // no flags except "running" + /* Check the second routerstatus. */ + vrs = smartlist_get(v1->routerstatus_list, 1); + rs = &vrs->status; + test_streq(vrs->version, "0.2.0.5"); + test_eq(rs->published_on, now-1000); + test_streq(rs->nickname, "router1"); + test_memeq(rs->identity_digest, + "\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5", + DIGEST_LEN); + test_memeq(rs->descriptor_digest, "MMMMMMMMMMMMMMMMMMMM", DIGEST_LEN); + test_eq(rs->addr, 0x99009901); + test_eq(rs->or_port, 443); + test_eq(rs->dir_port, 0); + test_eq(vrs->flags, U64_LITERAL(254)); // all flags except "authority." + + { + measured_bw_line_t mbw; + memset(mbw.node_id, 33, sizeof(mbw.node_id)); + mbw.bw = 1024; + test_assert(measured_bw_line_apply(&mbw, + v1->routerstatus_list) == 1); + vrs = smartlist_get(v1->routerstatus_list, 2); + test_assert(vrs->status.has_measured_bw && + vrs->status.measured_bw == 1024); + } + + /* Generate second vote. It disagrees on some of the times, + * and doesn't list versions, and knows some crazy flags */ + vote->published = now+1; + vote->fresh_until = now+3005; + vote->dist_seconds = 300; + authority_cert_free(vote->cert); + vote->cert = authority_cert_dup(cert2); + vote->net_params = smartlist_create(); + smartlist_split_string(vote->net_params, "bar=2000000000 circuitwindow=20", + NULL, 0, 0); + tor_free(vote->client_versions); + tor_free(vote->server_versions); + voter = smartlist_get(vote->voters, 0); + tor_free(voter->nickname); + tor_free(voter->address); + voter->nickname = tor_strdup("Voter2"); + voter->address = tor_strdup("2.3.4.5"); + voter->addr = 0x02030405; + crypto_pk_get_digest(cert2->identity_key, voter->identity_digest); + smartlist_add(vote->known_flags, tor_strdup("MadeOfCheese")); + smartlist_add(vote->known_flags, tor_strdup("MadeOfTin")); + smartlist_sort_strings(vote->known_flags); + vrs = smartlist_get(vote->routerstatus_list, 2); + smartlist_del_keeporder(vote->routerstatus_list, 2); + tor_free(vrs->version); + tor_free(vrs); + vrs = smartlist_get(vote->routerstatus_list, 0); + vrs->status.is_fast = 1; + /* generate and parse. */ + v2_text = format_networkstatus_vote(sign_skey_2, vote); + test_assert(v2_text); + v2 = networkstatus_parse_vote_from_string(v2_text, NULL, NS_TYPE_VOTE); + test_assert(v2); + /* Check that flags come out right.*/ + cp = smartlist_join_strings(v2->known_flags, ":", 0, NULL); + test_streq(cp, "Authority:Exit:Fast:Guard:MadeOfCheese:MadeOfTin:" + "Running:Stable:V2Dir:Valid"); + tor_free(cp); + vrs = smartlist_get(v2->routerstatus_list, 1); + /* 1023 - authority(1) - madeofcheese(16) - madeoftin(32) */ + test_eq(vrs->flags, U64_LITERAL(974)); + + /* Generate the third vote. */ + vote->published = now; + vote->fresh_until = now+2003; + vote->dist_seconds = 250; + authority_cert_free(vote->cert); + vote->cert = authority_cert_dup(cert3); + vote->net_params = smartlist_create(); + smartlist_split_string(vote->net_params, "circuitwindow=80 foo=660", + NULL, 0, 0); + smartlist_add(vote->supported_methods, tor_strdup("4")); + 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"); + voter = smartlist_get(vote->voters, 0); + tor_free(voter->nickname); + tor_free(voter->address); + voter->nickname = tor_strdup("Voter3"); + voter->address = tor_strdup("3.4.5.6"); + voter->addr = 0x03040506; + crypto_pk_get_digest(cert3->identity_key, voter->identity_digest); + /* This one has a legacy id. */ + memset(voter->legacy_id_digest, (int)'A', DIGEST_LEN); + vrs = smartlist_get(vote->routerstatus_list, 0); + smartlist_del_keeporder(vote->routerstatus_list, 0); + tor_free(vrs->version); + tor_free(vrs); + vrs = smartlist_get(vote->routerstatus_list, 0); + memset(vrs->status.descriptor_digest, (int)'Z', DIGEST_LEN); + test_assert(router_add_to_routerlist(generate_ri_from_rs(vrs), &msg,0,0)>=0); + + v3_text = format_networkstatus_vote(sign_skey_3, vote); + test_assert(v3_text); + + v3 = networkstatus_parse_vote_from_string(v3_text, NULL, NS_TYPE_VOTE); + test_assert(v3); + + /* Compute a consensus as voter 3. */ + smartlist_add(votes, v3); + smartlist_add(votes, v1); + smartlist_add(votes, v2); + consensus_text = networkstatus_compute_consensus(votes, 3, + cert3->identity_key, + sign_skey_3, + "AAAAAAAAAAAAAAAAAAAA", + sign_skey_leg1); + test_assert(consensus_text); + con = networkstatus_parse_vote_from_string(consensus_text, NULL, + NS_TYPE_CONSENSUS); + test_assert(con); + //log_notice(LD_GENERAL, "<<%s>>\n<<%s>>\n<<%s>>\n", + // v1_text, v2_text, v3_text); + + /* Check consensus contents. */ + test_assert(con->type == NS_TYPE_CONSENSUS); + test_eq(con->published, 0); /* this field only appears in votes. */ + test_eq(con->valid_after, now+1000); + test_eq(con->fresh_until, now+2003); /* median */ + test_eq(con->valid_until, now+3000); + test_eq(con->vote_seconds, 100); + test_eq(con->dist_seconds, 250); /* median */ + test_streq(con->client_versions, "0.1.2.14"); + test_streq(con->server_versions, "0.1.2.15,0.1.2.16"); + cp = smartlist_join_strings(v2->known_flags, ":", 0, NULL); + test_streq(cp, "Authority:Exit:Fast:Guard:MadeOfCheese:MadeOfTin:" + "Running:Stable:V2Dir:Valid"); + tor_free(cp); + cp = smartlist_join_strings(con->net_params, ":", 0, NULL); + test_streq(cp, "bar=2000000000:circuitwindow=80:foo=660"); + tor_free(cp); + + test_eq(4, smartlist_len(con->voters)); /*3 voters, 1 legacy key.*/ + /* The voter id digests should be in this order. */ + test_assert(memcmp(cert2->cache_info.identity_digest, + cert1->cache_info.identity_digest,DIGEST_LEN)<0); + test_assert(memcmp(cert1->cache_info.identity_digest, + cert3->cache_info.identity_digest,DIGEST_LEN)<0); + test_same_voter(smartlist_get(con->voters, 1), + smartlist_get(v2->voters, 0)); + test_same_voter(smartlist_get(con->voters, 2), + smartlist_get(v1->voters, 0)); + test_same_voter(smartlist_get(con->voters, 3), + smartlist_get(v3->voters, 0)); + + test_assert(!con->cert); + test_eq(2, smartlist_len(con->routerstatus_list)); + /* There should be two listed routers: one with identity 3, one with + * identity 5. */ + /* This one showed up in 2 digests. */ + rs = smartlist_get(con->routerstatus_list, 0); + test_memeq(rs->identity_digest, + "\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3\x3", + DIGEST_LEN); + test_memeq(rs->descriptor_digest, "NNNNNNNNNNNNNNNNNNNN", DIGEST_LEN); + test_assert(!rs->is_authority); + test_assert(!rs->is_exit); + test_assert(!rs->is_fast); + test_assert(!rs->is_possible_guard); + test_assert(!rs->is_stable); + test_assert(rs->is_running); /* If it wasn't running it wouldn't be here */ + test_assert(!rs->is_v2_dir); + test_assert(!rs->is_valid); + test_assert(!rs->is_named); + /* XXXX check version */ + + rs = smartlist_get(con->routerstatus_list, 1); + /* This one showed up in 3 digests. Twice with ID 'M', once with 'Z'. */ + test_memeq(rs->identity_digest, + "\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5", + DIGEST_LEN); + test_streq(rs->nickname, "router1"); + test_memeq(rs->descriptor_digest, "MMMMMMMMMMMMMMMMMMMM", DIGEST_LEN); + test_eq(rs->published_on, now-1000); + test_eq(rs->addr, 0x99009901); + test_eq(rs->or_port, 443); + test_eq(rs->dir_port, 0); + test_assert(!rs->is_authority); + test_assert(rs->is_exit); + test_assert(rs->is_fast); + test_assert(rs->is_possible_guard); + test_assert(rs->is_stable); + test_assert(rs->is_running); + test_assert(rs->is_v2_dir); + test_assert(rs->is_valid); + test_assert(!rs->is_named); + /* XXXX check version */ + // x231 + // x213 + + /* Check signatures. the first voter is a pseudo-entry with a legacy key. + * The second one hasn't signed. The fourth one has signed: validate it. */ + voter = smartlist_get(con->voters, 1); + test_assert(!voter->signature); + test_assert(!voter->good_signature); + test_assert(!voter->bad_signature); + + voter = smartlist_get(con->voters, 3); + test_assert(voter->signature); + test_assert(!voter->good_signature); + test_assert(!voter->bad_signature); + test_assert(!networkstatus_check_voter_signature(con, + smartlist_get(con->voters, 3), + cert3)); + test_assert(voter->signature); + test_assert(voter->good_signature); + test_assert(!voter->bad_signature); + + { + const char *msg=NULL; + /* Compute the other two signed consensuses. */ + smartlist_shuffle(votes); + consensus_text2 = networkstatus_compute_consensus(votes, 3, + cert2->identity_key, + sign_skey_2, NULL,NULL); + smartlist_shuffle(votes); + consensus_text3 = networkstatus_compute_consensus(votes, 3, + cert1->identity_key, + sign_skey_1, NULL,NULL); + test_assert(consensus_text2); + test_assert(consensus_text3); + con2 = networkstatus_parse_vote_from_string(consensus_text2, NULL, + NS_TYPE_CONSENSUS); + con3 = networkstatus_parse_vote_from_string(consensus_text3, NULL, + NS_TYPE_CONSENSUS); + test_assert(con2); + test_assert(con3); + + /* All three should have the same digest. */ + test_memeq(con->networkstatus_digest, con2->networkstatus_digest, + DIGEST_LEN); + test_memeq(con->networkstatus_digest, con3->networkstatus_digest, + DIGEST_LEN); + + /* Extract a detached signature from con3. */ + detached_text1 = networkstatus_get_detached_signatures(con3); + tor_assert(detached_text1); + /* Try to parse it. */ + dsig1 = networkstatus_parse_detached_signatures(detached_text1, NULL); + tor_assert(dsig1); + + /* Are parsed values as expected? */ + test_eq(dsig1->valid_after, con3->valid_after); + test_eq(dsig1->fresh_until, con3->fresh_until); + test_eq(dsig1->valid_until, con3->valid_until); + test_memeq(dsig1->networkstatus_digest, con3->networkstatus_digest, + DIGEST_LEN); + test_eq(1, smartlist_len(dsig1->signatures)); + voter = smartlist_get(dsig1->signatures, 0); + test_memeq(voter->identity_digest, cert1->cache_info.identity_digest, + DIGEST_LEN); + + /* Try adding it to con2. */ + detached_text2 = networkstatus_get_detached_signatures(con2); + test_eq(1, networkstatus_add_detached_signatures(con2, dsig1, &msg)); + tor_free(detached_text2); + detached_text2 = networkstatus_get_detached_signatures(con2); + //printf("\n<%s>\n", detached_text2); + dsig2 = networkstatus_parse_detached_signatures(detached_text2, NULL); + test_assert(dsig2); + /* + printf("\n"); + SMARTLIST_FOREACH(dsig2->signatures, networkstatus_voter_info_t *, vi, { + char hd[64]; + base16_encode(hd, sizeof(hd), vi->identity_digest, DIGEST_LEN); + printf("%s\n", hd); + }); + */ + test_eq(2, smartlist_len(dsig2->signatures)); + + /* Try adding to con2 twice; verify that nothing changes. */ + test_eq(0, networkstatus_add_detached_signatures(con2, dsig1, &msg)); + + /* Add to con. */ + test_eq(2, networkstatus_add_detached_signatures(con, dsig2, &msg)); + /* Check signatures */ + test_assert(!networkstatus_check_voter_signature(con, + smartlist_get(con->voters, 1), + cert2)); + test_assert(!networkstatus_check_voter_signature(con, + smartlist_get(con->voters, 2), + cert1)); + + } + + done: + smartlist_free(votes); + tor_free(v1_text); + tor_free(v2_text); + tor_free(v3_text); + tor_free(consensus_text); + + if (vote) + networkstatus_vote_free(vote); + if (v1) + networkstatus_vote_free(v1); + if (v2) + networkstatus_vote_free(v2); + if (v3) + networkstatus_vote_free(v3); + if (con) + networkstatus_vote_free(con); + if (sign_skey_1) + crypto_free_pk_env(sign_skey_1); + if (sign_skey_2) + crypto_free_pk_env(sign_skey_2); + if (sign_skey_3) + crypto_free_pk_env(sign_skey_3); + if (sign_skey_leg1) + crypto_free_pk_env(sign_skey_leg1); + if (cert1) + authority_cert_free(cert1); + if (cert2) + authority_cert_free(cert2); + if (cert3) + authority_cert_free(cert3); + + tor_free(consensus_text2); + tor_free(consensus_text3); + tor_free(detached_text1); + tor_free(detached_text2); + if (con2) + networkstatus_vote_free(con2); + if (con3) + networkstatus_vote_free(con3); + if (dsig1) + ns_detached_signatures_free(dsig1); + if (dsig2) + ns_detached_signatures_free(dsig2); +} + +/** Helper: Parse the exit policy string in <b>policy_str</b>, and make sure + * that policies_summarize() produces the string <b>expected_summary</b> from + * it. */ +static void +test_policy_summary_helper(const char *policy_str, + const char *expected_summary) +{ + config_line_t line; + smartlist_t *policy = smartlist_create(); + char *summary = NULL; + int r; + + line.key = (char*)"foo"; + line.value = (char *)policy_str; + line.next = NULL; + + r = policies_parse_exit_policy(&line, &policy, 0, NULL); + test_eq(r, 0); + summary = policy_summarize(policy); + + test_assert(summary != NULL); + test_streq(summary, expected_summary); + + done: + tor_free(summary); + if (policy) + addr_policy_list_free(policy); +} + +/** Run unit tests for generating summary lines of exit policies */ +static void +test_policies(void) +{ + int i; + smartlist_t *policy = NULL, *policy2 = NULL; + addr_policy_t *p; + tor_addr_t tar; + config_line_t line; + smartlist_t *sm = NULL; + char *policy_str = NULL; + + policy = smartlist_create(); + + p = router_parse_addr_policy_item_from_string("reject 192.168.0.0/16:*",-1); + test_assert(p != NULL); + test_eq(ADDR_POLICY_REJECT, p->policy_type); + tor_addr_from_ipv4h(&tar, 0xc0a80000u); + test_eq(0, tor_addr_compare(&p->addr, &tar, CMP_EXACT)); + test_eq(16, p->maskbits); + test_eq(1, p->prt_min); + test_eq(65535, p->prt_max); + + smartlist_add(policy, p); + + test_assert(ADDR_POLICY_ACCEPTED == + compare_addr_to_addr_policy(0x01020304u, 2, policy)); + test_assert(ADDR_POLICY_PROBABLY_ACCEPTED == + compare_addr_to_addr_policy(0, 2, policy)); + test_assert(ADDR_POLICY_REJECTED == + compare_addr_to_addr_policy(0xc0a80102, 2, policy)); + + policy2 = NULL; + test_assert(0 == policies_parse_exit_policy(NULL, &policy2, 1, NULL)); + test_assert(policy2); + + test_assert(!exit_policy_is_general_exit(policy)); + test_assert(exit_policy_is_general_exit(policy2)); + test_assert(!exit_policy_is_general_exit(NULL)); + + test_assert(cmp_addr_policies(policy, policy2)); + test_assert(cmp_addr_policies(policy, NULL)); + test_assert(!cmp_addr_policies(policy2, policy2)); + test_assert(!cmp_addr_policies(NULL, NULL)); + + test_assert(!policy_is_reject_star(policy2)); + test_assert(policy_is_reject_star(policy)); + test_assert(policy_is_reject_star(NULL)); + + addr_policy_list_free(policy); + policy = NULL; + + /* make sure compacting logic works. */ + policy = NULL; + line.key = (char*)"foo"; + line.value = (char*)"accept *:80,reject private:*,reject *:*"; + line.next = NULL; + test_assert(0 == policies_parse_exit_policy(&line, &policy, 0, NULL)); + test_assert(policy); + //test_streq(policy->string, "accept *:80"); + //test_streq(policy->next->string, "reject *:*"); + test_eq(smartlist_len(policy), 2); + + /* test policy summaries */ + /* check if we properly ignore private IP addresses */ + test_policy_summary_helper("reject 192.168.0.0/16:*," + "reject 0.0.0.0/8:*," + "reject 10.0.0.0/8:*," + "accept *:10-30," + "accept *:90," + "reject *:*", + "accept 10-30,90"); + /* check all accept policies, and proper counting of rejects */ + test_policy_summary_helper("reject 11.0.0.0/9:80," + "reject 12.0.0.0/9:80," + "reject 13.0.0.0/9:80," + "reject 14.0.0.0/9:80," + "accept *:*", "accept 1-65535"); + test_policy_summary_helper("reject 11.0.0.0/9:80," + "reject 12.0.0.0/9:80," + "reject 13.0.0.0/9:80," + "reject 14.0.0.0/9:80," + "reject 15.0.0.0:81," + "accept *:*", "accept 1-65535"); + test_policy_summary_helper("reject 11.0.0.0/9:80," + "reject 12.0.0.0/9:80," + "reject 13.0.0.0/9:80," + "reject 14.0.0.0/9:80," + "reject 15.0.0.0:80," + "accept *:*", + "reject 80"); + /* no exits */ + test_policy_summary_helper("accept 11.0.0.0/9:80," + "reject *:*", + "reject 1-65535"); + /* port merging */ + test_policy_summary_helper("accept *:80," + "accept *:81," + "accept *:100-110," + "accept *:111," + "reject *:*", + "accept 80-81,100-111"); + /* border ports */ + test_policy_summary_helper("accept *:1," + "accept *:3," + "accept *:65535," + "reject *:*", + "accept 1,3,65535"); + /* holes */ + test_policy_summary_helper("accept *:1," + "accept *:3," + "accept *:5," + "accept *:7," + "reject *:*", + "accept 1,3,5,7"); + test_policy_summary_helper("reject *:1," + "reject *:3," + "reject *:5," + "reject *:7," + "accept *:*", + "reject 1,3,5,7"); + + /* truncation ports */ + sm = smartlist_create(); + for (i=1; i<2000; i+=2) { + char buf[POLICY_BUF_LEN]; + tor_snprintf(buf, sizeof(buf), "reject *:%d", i); + smartlist_add(sm, tor_strdup(buf)); + } + smartlist_add(sm, tor_strdup("accept *:*")); + policy_str = smartlist_join_strings(sm, ",", 0, NULL); + test_policy_summary_helper( policy_str, + "accept 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44," + "46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90," + "92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128," + "130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164," + "166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200," + "202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236," + "238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272," + "274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308," + "310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,340,342,344," + "346,348,350,352,354,356,358,360,362,364,366,368,370,372,374,376,378,380," + "382,384,386,388,390,392,394,396,398,400,402,404,406,408,410,412,414,416," + "418,420,422,424,426,428,430,432,434,436,438,440,442,444,446,448,450,452," + "454,456,458,460,462,464,466,468,470,472,474,476,478,480,482,484,486,488," + "490,492,494,496,498,500,502,504,506,508,510,512,514,516,518,520,522"); + + done: + if (policy) + addr_policy_list_free(policy); + if (policy2) + addr_policy_list_free(policy2); + tor_free(policy_str); + if (sm) { + SMARTLIST_FOREACH(sm, char *, s, tor_free(s)); + smartlist_free(sm); + } +} + +/** Run AES performance benchmarks. */ +static void +bench_aes(void) +{ + int len, i; + char *b1, *b2; + crypto_cipher_env_t *c; + struct timeval start, end; + const int iters = 100000; + uint64_t nsec; + c = crypto_new_cipher_env(); + crypto_cipher_generate_key(c); + crypto_cipher_encrypt_init_cipher(c); + for (len = 1; len <= 8192; len *= 2) { + b1 = tor_malloc_zero(len); + b2 = tor_malloc_zero(len); + tor_gettimeofday(&start); + for (i = 0; i < iters; ++i) { + crypto_cipher_encrypt(c, b1, b2, len); + } + tor_gettimeofday(&end); + tor_free(b1); + tor_free(b2); + nsec = (uint64_t) tv_udiff(&start,&end); + nsec *= 1000; + nsec /= (iters*len); + printf("%d bytes: "U64_FORMAT" nsec per byte\n", len, + U64_PRINTF_ARG(nsec)); + } + crypto_free_cipher_env(c); +} + +/** Run digestmap_t performance benchmarks. */ +static void +bench_dmap(void) +{ + smartlist_t *sl = smartlist_create(); + smartlist_t *sl2 = smartlist_create(); + struct timeval start, end, pt2, pt3, pt4; + const int iters = 10000; + const int elts = 4000; + const int fpostests = 1000000; + char d[20]; + int i,n=0, fp = 0; + digestmap_t *dm = digestmap_new(); + digestset_t *ds = digestset_new(elts); + + for (i = 0; i < elts; ++i) { + crypto_rand(d, 20); + smartlist_add(sl, tor_memdup(d, 20)); + } + for (i = 0; i < elts; ++i) { + crypto_rand(d, 20); + smartlist_add(sl2, tor_memdup(d, 20)); + } + printf("nbits=%d\n", ds->mask+1); + + tor_gettimeofday(&start); + for (i = 0; i < iters; ++i) { + SMARTLIST_FOREACH(sl, const char *, cp, digestmap_set(dm, cp, (void*)1)); + } + tor_gettimeofday(&pt2); + for (i = 0; i < iters; ++i) { + SMARTLIST_FOREACH(sl, const char *, cp, digestmap_get(dm, cp)); + SMARTLIST_FOREACH(sl2, const char *, cp, digestmap_get(dm, cp)); + } + tor_gettimeofday(&pt3); + for (i = 0; i < iters; ++i) { + SMARTLIST_FOREACH(sl, const char *, cp, digestset_add(ds, cp)); + } + tor_gettimeofday(&pt4); + for (i = 0; i < iters; ++i) { + SMARTLIST_FOREACH(sl, const char *, cp, n += digestset_isin(ds, cp)); + SMARTLIST_FOREACH(sl2, const char *, cp, n += digestset_isin(ds, cp)); + } + tor_gettimeofday(&end); + + for (i = 0; i < fpostests; ++i) { + crypto_rand(d, 20); + if (digestset_isin(ds, d)) ++fp; + } + + printf("%ld\n",(unsigned long)tv_udiff(&start, &pt2)); + printf("%ld\n",(unsigned long)tv_udiff(&pt2, &pt3)); + printf("%ld\n",(unsigned long)tv_udiff(&pt3, &pt4)); + printf("%ld\n",(unsigned long)tv_udiff(&pt4, &end)); + printf("-- %d\n", n); + printf("++ %f\n", fp/(double)fpostests); + digestmap_free(dm, NULL); + digestset_free(ds); + SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp)); + SMARTLIST_FOREACH(sl2, char *, cp, tor_free(cp)); + smartlist_free(sl); + smartlist_free(sl2); +} + +/** Run unittests for memory pool allocator */ +static void +test_util_mempool(void) +{ + mp_pool_t *pool = NULL; + smartlist_t *allocated = NULL; + int i; + + pool = mp_pool_new(1, 100); + test_assert(pool); + test_assert(pool->new_chunk_capacity >= 100); + test_assert(pool->item_alloc_size >= sizeof(void*)+1); + mp_pool_destroy(pool); + pool = NULL; + + pool = mp_pool_new(241, 2500); + test_assert(pool); + test_assert(pool->new_chunk_capacity >= 10); + test_assert(pool->item_alloc_size >= sizeof(void*)+241); + test_eq(pool->item_alloc_size & 0x03, 0); + test_assert(pool->new_chunk_capacity < 60); + + allocated = smartlist_create(); + for (i = 0; i < 20000; ++i) { + if (smartlist_len(allocated) < 20 || crypto_rand_int(2)) { + void *m = mp_pool_get(pool); + memset(m, 0x09, 241); + smartlist_add(allocated, m); + //printf("%d: %p\n", i, m); + //mp_pool_assert_ok(pool); + } else { + int idx = crypto_rand_int(smartlist_len(allocated)); + void *m = smartlist_get(allocated, idx); + //printf("%d: free %p\n", i, m); + smartlist_del(allocated, idx); + mp_pool_release(m); + //mp_pool_assert_ok(pool); + } + if (crypto_rand_int(777)==0) + mp_pool_clean(pool, 1, 1); + + if (i % 777) + mp_pool_assert_ok(pool); + } + + done: + if (allocated) { + SMARTLIST_FOREACH(allocated, void *, m, mp_pool_release(m)); + mp_pool_assert_ok(pool); + mp_pool_clean(pool, 0, 0); + mp_pool_assert_ok(pool); + smartlist_free(allocated); + } + + if (pool) + mp_pool_destroy(pool); +} + +/** Run unittests for memory area allocator */ +static void +test_util_memarea(void) +{ + memarea_t *area = memarea_new(); + char *p1, *p2, *p3, *p1_orig; + void *malloced_ptr = NULL; + int i; + + test_assert(area); + + p1_orig = p1 = memarea_alloc(area,64); + p2 = memarea_alloc_zero(area,52); + p3 = memarea_alloc(area,11); + + test_assert(memarea_owns_ptr(area, p1)); + test_assert(memarea_owns_ptr(area, p2)); + test_assert(memarea_owns_ptr(area, p3)); + /* Make sure we left enough space. */ + test_assert(p1+64 <= p2); + test_assert(p2+52 <= p3); + /* Make sure we aligned. */ + test_eq(((uintptr_t)p1) % sizeof(void*), 0); + test_eq(((uintptr_t)p2) % sizeof(void*), 0); + test_eq(((uintptr_t)p3) % sizeof(void*), 0); + test_assert(!memarea_owns_ptr(area, p3+8192)); + test_assert(!memarea_owns_ptr(area, p3+30)); + test_assert(tor_mem_is_zero(p2, 52)); + /* Make sure we don't overalign. */ + p1 = memarea_alloc(area, 1); + p2 = memarea_alloc(area, 1); + test_eq(p1+sizeof(void*), p2); + { + malloced_ptr = tor_malloc(64); + test_assert(!memarea_owns_ptr(area, malloced_ptr)); + tor_free(malloced_ptr); + } + + /* memarea_memdup */ + { + malloced_ptr = tor_malloc(64); + crypto_rand((char*)malloced_ptr, 64); + p1 = memarea_memdup(area, malloced_ptr, 64); + test_assert(p1 != malloced_ptr); + test_memeq(p1, malloced_ptr, 64); + tor_free(malloced_ptr); + } + + /* memarea_strdup. */ + p1 = memarea_strdup(area,""); + p2 = memarea_strdup(area, "abcd"); + test_assert(p1); + test_assert(p2); + test_streq(p1, ""); + test_streq(p2, "abcd"); + + /* memarea_strndup. */ + { + const char *s = "Ad ogni porta batte la morte e grida: il nome!"; + /* (From Turandot, act 3.) */ + size_t len = strlen(s); + p1 = memarea_strndup(area, s, 1000); + p2 = memarea_strndup(area, s, 10); + test_streq(p1, s); + test_assert(p2 >= p1 + len + 1); + test_memeq(s, p2, 10); + test_eq(p2[10], '\0'); + p3 = memarea_strndup(area, s, len); + test_streq(p3, s); + p3 = memarea_strndup(area, s, len-1); + test_memeq(s, p3, len-1); + test_eq(p3[len-1], '\0'); + } + + memarea_clear(area); + p1 = memarea_alloc(area, 1); + test_eq(p1, p1_orig); + memarea_clear(area); + + /* Check for running over an area's size. */ + for (i = 0; i < 512; ++i) { + p1 = memarea_alloc(area, crypto_rand_int(5)+1); + test_assert(memarea_owns_ptr(area, p1)); + } + memarea_assert_ok(area); + /* Make sure we can allocate a too-big object. */ + p1 = memarea_alloc_zero(area, 9000); + p2 = memarea_alloc_zero(area, 16); + test_assert(memarea_owns_ptr(area, p1)); + test_assert(memarea_owns_ptr(area, p2)); + + done: + memarea_drop_all(area); + tor_free(malloced_ptr); +} + +/** Run unit tests for utility functions to get file names relative to + * the data directory. */ +static void +test_util_datadir(void) +{ + char buf[1024]; + char *f = NULL; + + f = get_datadir_fname(NULL); + test_streq(f, temp_dir); + tor_free(f); + f = get_datadir_fname("state"); + tor_snprintf(buf, sizeof(buf), "%s"PATH_SEPARATOR"state", temp_dir); + test_streq(f, buf); + tor_free(f); + f = get_datadir_fname2("cache", "thingy"); + tor_snprintf(buf, sizeof(buf), + "%s"PATH_SEPARATOR"cache"PATH_SEPARATOR"thingy", temp_dir); + test_streq(f, buf); + tor_free(f); + f = get_datadir_fname2_suffix("cache", "thingy", ".foo"); + tor_snprintf(buf, sizeof(buf), + "%s"PATH_SEPARATOR"cache"PATH_SEPARATOR"thingy.foo", temp_dir); + test_streq(f, buf); + tor_free(f); + f = get_datadir_fname_suffix("cache", ".foo"); + tor_snprintf(buf, sizeof(buf), "%s"PATH_SEPARATOR"cache.foo", + temp_dir); + test_streq(f, buf); + + done: + tor_free(f); +} + +static void +test_util_strtok(void) +{ + char buf[128]; + char buf2[128]; + char *cp1, *cp2; + strlcpy(buf, "Graved on the dark in gestures of descent", sizeof(buf)); + strlcpy(buf2, "they.seemed;their!own;most.perfect;monument", sizeof(buf2)); + /* -- "Year's End", Richard Wilbur */ + + test_streq("Graved", tor_strtok_r_impl(buf, " ", &cp1)); + test_streq("they", tor_strtok_r_impl(buf2, ".!..;!", &cp2)); +#define S1() tor_strtok_r_impl(NULL, " ", &cp1) +#define S2() tor_strtok_r_impl(NULL, ".!..;!", &cp2) + test_streq("on", S1()); + test_streq("the", S1()); + test_streq("dark", S1()); + test_streq("seemed", S2()); + test_streq("their", S2()); + test_streq("own", S2()); + test_streq("in", S1()); + test_streq("gestures", S1()); + test_streq("of", S1()); + test_streq("most", S2()); + test_streq("perfect", S2()); + test_streq("descent", S1()); + test_streq("monument", S2()); + test_assert(NULL == S1()); + test_assert(NULL == S2()); + done: + ; +} + +/** Test AES-CTR encryption and decryption with IV. */ +static void +test_crypto_aes_iv(void) +{ + crypto_cipher_env_t *cipher; + char *plain, *encrypted1, *encrypted2, *decrypted1, *decrypted2; + char plain_1[1], plain_15[15], plain_16[16], plain_17[17]; + char key1[16], key2[16]; + ssize_t encrypted_size, decrypted_size; + + plain = tor_malloc(4095); + encrypted1 = tor_malloc(4095 + 1 + 16); + encrypted2 = tor_malloc(4095 + 1 + 16); + decrypted1 = tor_malloc(4095 + 1); + decrypted2 = tor_malloc(4095 + 1); + + crypto_rand(plain, 4095); + crypto_rand(key1, 16); + crypto_rand(key2, 16); + crypto_rand(plain_1, 1); + crypto_rand(plain_15, 15); + crypto_rand(plain_16, 16); + crypto_rand(plain_17, 17); + key1[0] = key2[0] + 128; /* Make sure that contents are different. */ + /* Encrypt and decrypt with the same key. */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted1, 16 + 4095, + plain, 4095); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 4095); + tor_assert(encrypted_size > 0); /* This is obviously true, since 4111 is + * greater than 0, but its truth is not + * obvious to all analysis tools. */ + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 4095, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(decrypted_size, 4095); + tor_assert(decrypted_size > 0); + test_memeq(plain, decrypted1, 4095); + /* Encrypt a second time (with a new random initialization vector). */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted2, 16 + 4095, + plain, 4095); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 4095); + tor_assert(encrypted_size > 0); + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted2, 4095, + encrypted2, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(decrypted_size, 4095); + tor_assert(decrypted_size > 0); + test_memeq(plain, decrypted2, 4095); + test_memneq(encrypted1, encrypted2, encrypted_size); + /* Decrypt with the wrong key. */ + cipher = crypto_create_init_cipher(key2, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted2, 4095, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_memneq(plain, decrypted2, encrypted_size); + /* Alter the initialization vector. */ + encrypted1[0] += 42; + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 4095, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_memneq(plain, decrypted2, 4095); + /* Special length case: 1. */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted1, 16 + 1, + plain_1, 1); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 1); + tor_assert(encrypted_size > 0); + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 1, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(decrypted_size, 1); + tor_assert(decrypted_size > 0); + test_memeq(plain_1, decrypted1, 1); + /* Special length case: 15. */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted1, 16 + 15, + plain_15, 15); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 15); + tor_assert(encrypted_size > 0); + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 15, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(decrypted_size, 15); + tor_assert(decrypted_size > 0); + test_memeq(plain_15, decrypted1, 15); + /* Special length case: 16. */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted1, 16 + 16, + plain_16, 16); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 16); + tor_assert(encrypted_size > 0); + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 16, + encrypted1, encrypted_size); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(decrypted_size, 16); + tor_assert(decrypted_size > 0); + test_memeq(plain_16, decrypted1, 16); + /* Special length case: 17. */ + cipher = crypto_create_init_cipher(key1, 1); + encrypted_size = crypto_cipher_encrypt_with_iv(cipher, encrypted1, 16 + 17, + plain_17, 17); + crypto_free_cipher_env(cipher); + cipher = NULL; + test_eq(encrypted_size, 16 + 17); + tor_assert(encrypted_size > 0); + cipher = crypto_create_init_cipher(key1, 0); + decrypted_size = crypto_cipher_decrypt_with_iv(cipher, decrypted1, 17, + encrypted1, encrypted_size); + test_eq(decrypted_size, 17); + tor_assert(decrypted_size > 0); + test_memeq(plain_17, decrypted1, 17); + + done: + /* Free memory. */ + tor_free(plain); + tor_free(encrypted1); + tor_free(encrypted2); + tor_free(decrypted1); + tor_free(decrypted2); + if (cipher) + crypto_free_cipher_env(cipher); +} + +/** Test base32 decoding. */ +static void +test_crypto_base32_decode(void) +{ + char plain[60], encoded[96 + 1], decoded[60]; + int res; + crypto_rand(plain, 60); + /* Encode and decode a random string. */ + base32_encode(encoded, 96 + 1, plain, 60); + res = base32_decode(decoded, 60, encoded, 96); + test_eq(res, 0); + test_memeq(plain, decoded, 60); + /* Encode, uppercase, and decode a random string. */ + base32_encode(encoded, 96 + 1, plain, 60); + tor_strupper(encoded); + res = base32_decode(decoded, 60, encoded, 96); + test_eq(res, 0); + test_memeq(plain, decoded, 60); + /* Change encoded string and decode. */ + if (encoded[0] == 'A' || encoded[0] == 'a') + encoded[0] = 'B'; + else + encoded[0] = 'A'; + res = base32_decode(decoded, 60, encoded, 96); + test_eq(res, 0); + test_memneq(plain, decoded, 60); + /* Bad encodings. */ + encoded[0] = '!'; + res = base32_decode(decoded, 60, encoded, 96); + test_assert(res < 0); + + done: + ; +} + +/** Test encoding and parsing of rendezvous service descriptors. */ +static void +test_rend_fns(void) +{ + rend_service_descriptor_t *generated = NULL, *parsed = NULL; + char service_id[DIGEST_LEN]; + char service_id_base32[REND_SERVICE_ID_LEN_BASE32+1]; + const char *next_desc; + smartlist_t *descs = smartlist_create(); + char computed_desc_id[DIGEST_LEN]; + char parsed_desc_id[DIGEST_LEN]; + crypto_pk_env_t *pk1 = NULL, *pk2 = NULL; + time_t now; + char *intro_points_encrypted = NULL; + size_t intro_points_size; + size_t encoded_size; + int i; + char address1[] = "fooaddress.onion"; + char address2[] = "aaaaaaaaaaaaaaaa.onion"; + char address3[] = "fooaddress.exit"; + char address4[] = "www.torproject.org"; + + test_assert(BAD_HOSTNAME == parse_extended_hostname(address1, 1)); + test_assert(ONION_HOSTNAME == parse_extended_hostname(address2, 1)); + test_assert(EXIT_HOSTNAME == parse_extended_hostname(address3, 1)); + test_assert(NORMAL_HOSTNAME == parse_extended_hostname(address4, 1)); + + pk1 = pk_generate(0); + pk2 = pk_generate(1); + generated = tor_malloc_zero(sizeof(rend_service_descriptor_t)); + generated->pk = crypto_pk_dup_key(pk1); + crypto_pk_get_digest(generated->pk, service_id); + base32_encode(service_id_base32, REND_SERVICE_ID_LEN_BASE32+1, + service_id, REND_SERVICE_ID_LEN); + now = time(NULL); + generated->timestamp = now; + generated->version = 2; + generated->protocols = 42; + generated->intro_nodes = smartlist_create(); + + for (i = 0; i < 3; i++) { + rend_intro_point_t *intro = tor_malloc_zero(sizeof(rend_intro_point_t)); + crypto_pk_env_t *okey = pk_generate(2 + i); + intro->extend_info = tor_malloc_zero(sizeof(extend_info_t)); + intro->extend_info->onion_key = okey; + crypto_pk_get_digest(intro->extend_info->onion_key, + intro->extend_info->identity_digest); + //crypto_rand(info->identity_digest, DIGEST_LEN); /* Would this work? */ + intro->extend_info->nickname[0] = '$'; + base16_encode(intro->extend_info->nickname + 1, + sizeof(intro->extend_info->nickname) - 1, + intro->extend_info->identity_digest, DIGEST_LEN); + /* Does not cover all IP addresses. */ + tor_addr_from_ipv4h(&intro->extend_info->addr, crypto_rand_int(65536)); + intro->extend_info->port = crypto_rand_int(65536); + intro->intro_key = crypto_pk_dup_key(pk2); + smartlist_add(generated->intro_nodes, intro); + } + test_assert(rend_encode_v2_descriptors(descs, generated, now, 0, + REND_NO_AUTH, NULL, NULL) > 0); + test_assert(rend_compute_v2_desc_id(computed_desc_id, service_id_base32, + NULL, now, 0) == 0); + test_memeq(((rend_encoded_v2_service_descriptor_t *) + smartlist_get(descs, 0))->desc_id, computed_desc_id, DIGEST_LEN); + test_assert(rend_parse_v2_service_descriptor(&parsed, parsed_desc_id, + &intro_points_encrypted, + &intro_points_size, + &encoded_size, + &next_desc, + ((rend_encoded_v2_service_descriptor_t *) + smartlist_get(descs, 0))->desc_str) == 0); + test_assert(parsed); + test_memeq(((rend_encoded_v2_service_descriptor_t *) + smartlist_get(descs, 0))->desc_id, parsed_desc_id, DIGEST_LEN); + test_eq(rend_parse_introduction_points(parsed, intro_points_encrypted, + intro_points_size), 3); + test_assert(!crypto_pk_cmp_keys(generated->pk, parsed->pk)); + test_eq(parsed->timestamp, now); + test_eq(parsed->version, 2); + test_eq(parsed->protocols, 42); + test_eq(smartlist_len(parsed->intro_nodes), 3); + for (i = 0; i < smartlist_len(parsed->intro_nodes); i++) { + rend_intro_point_t *par_intro = smartlist_get(parsed->intro_nodes, i), + *gen_intro = smartlist_get(generated->intro_nodes, i); + extend_info_t *par_info = par_intro->extend_info; + extend_info_t *gen_info = gen_intro->extend_info; + test_assert(!crypto_pk_cmp_keys(gen_info->onion_key, par_info->onion_key)); + test_memeq(gen_info->identity_digest, par_info->identity_digest, + DIGEST_LEN); + test_streq(gen_info->nickname, par_info->nickname); + test_assert(tor_addr_eq(&gen_info->addr, &par_info->addr)); + test_eq(gen_info->port, par_info->port); + } + + rend_service_descriptor_free(parsed); + rend_service_descriptor_free(generated); + parsed = generated = NULL; + + done: + if (descs) { + for (i = 0; i < smartlist_len(descs); i++) + rend_encoded_v2_service_descriptor_free(smartlist_get(descs, i)); + smartlist_free(descs); + } + if (parsed) + rend_service_descriptor_free(parsed); + if (generated) + rend_service_descriptor_free(generated); + if (pk1) + crypto_free_pk_env(pk1); + if (pk2) + crypto_free_pk_env(pk2); + tor_free(intro_points_encrypted); +} + +/** Run unit tests for GeoIP code. */ +static void +test_geoip(void) +{ + int i, j; + time_t now = time(NULL); + char *s = NULL; + + /* Populate the DB a bit. Add these in order, since we can't do the final + * 'sort' step. These aren't very good IP addresses, but they're perfectly + * fine uint32_t values. */ + test_eq(0, geoip_parse_entry("10,50,AB")); + test_eq(0, geoip_parse_entry("52,90,XY")); + test_eq(0, geoip_parse_entry("95,100,AB")); + test_eq(0, geoip_parse_entry("\"105\",\"140\",\"ZZ\"")); + test_eq(0, geoip_parse_entry("\"150\",\"190\",\"XY\"")); + test_eq(0, geoip_parse_entry("\"200\",\"250\",\"AB\"")); + + /* We should have 3 countries: ab, xy, zz. */ + test_eq(3, geoip_get_n_countries()); + /* Make sure that country ID actually works. */ +#define NAMEFOR(x) geoip_get_country_name(geoip_get_country_by_ip(x)) + test_streq("ab", NAMEFOR(32)); + test_streq("??", NAMEFOR(5)); + test_streq("??", NAMEFOR(51)); + test_streq("xy", NAMEFOR(150)); + test_streq("xy", NAMEFOR(190)); + test_streq("??", NAMEFOR(2000)); +#undef NAMEFOR + + get_options()->BridgeRelay = 1; + get_options()->BridgeRecordUsageByCountry = 1; + /* Put 9 observations in AB... */ + for (i=32; i < 40; ++i) + geoip_note_client_seen(GEOIP_CLIENT_CONNECT, i, now-7200); + geoip_note_client_seen(GEOIP_CLIENT_CONNECT, 225, now-7200); + /* and 3 observations in XY, several times. */ + for (j=0; j < 10; ++j) + for (i=52; i < 55; ++i) + geoip_note_client_seen(GEOIP_CLIENT_CONNECT, i, now-3600); + /* and 17 observations in ZZ... */ + for (i=110; i < 127; ++i) + geoip_note_client_seen(GEOIP_CLIENT_CONNECT, i, now); + s = geoip_get_client_history_bridge(now+5*24*60*60, + GEOIP_CLIENT_CONNECT); + test_assert(s); + test_streq("zz=24,ab=16,xy=8", s); + tor_free(s); + + /* Now clear out all the AB observations. */ + geoip_remove_old_clients(now-6000); + s = geoip_get_client_history_bridge(now+5*24*60*60, + GEOIP_CLIENT_CONNECT); + test_assert(s); + test_streq("zz=24,xy=8", s); + + done: + tor_free(s); +} + +static void * +legacy_test_setup(const struct testcase_t *testcase) +{ + return testcase->setup_data; +} + +static void +legacy_test_helper(void *data) +{ + void (*fn)(void) = data; + fn(); +} + +static int +legacy_test_cleanup(const struct testcase_t *testcase, void *ptr) +{ + (void)ptr; + (void)testcase; + return 1; +} + +static const struct testcase_setup_t legacy_setup = { + legacy_test_setup, legacy_test_cleanup +}; + +#define ENT(name) \ + { #name, legacy_test_helper, 0, &legacy_setup, test_ ## name } +#define SUBENT(group, name) \ + { #group "_" #name, legacy_test_helper, 0, &legacy_setup, \ + test_ ## group ## _ ## name } +#define DISABLED(name) \ + { #name, legacy_test_helper, TT_SKIP, &legacy_setup, name } + +static struct testcase_t test_array[] = { + ENT(buffers), + ENT(crypto), + SUBENT(crypto, rng), + SUBENT(crypto, aes), + SUBENT(crypto, sha), + SUBENT(crypto, pk), + SUBENT(crypto, dh), + SUBENT(crypto, s2k), + SUBENT(crypto, aes_iv), + SUBENT(crypto, base32_decode), + ENT(util), + SUBENT(util, ip6_helpers), + SUBENT(util, gzip), + SUBENT(util, datadir), + SUBENT(util, smartlist_basic), + SUBENT(util, smartlist_strings), + SUBENT(util, smartlist_overlap), + SUBENT(util, smartlist_digests), + SUBENT(util, smartlist_join), + SUBENT(util, bitarray), + SUBENT(util, digestset), + SUBENT(util, mempool), + SUBENT(util, memarea), + SUBENT(util, strmap), + SUBENT(util, control_formats), + SUBENT(util, pqueue), + SUBENT(util, mmap), + SUBENT(util, threads), + SUBENT(util, order_functions), + SUBENT(util, sscanf), + SUBENT(util, strtok), + ENT(onion_handshake), + ENT(dir_format), + ENT(dirutil), + SUBENT(dirutil, measured_bw), + SUBENT(dirutil, param_voting), + ENT(circuit_timeout), + ENT(v3_networkstatus), + ENT(policies), + ENT(rend_fns), + ENT(geoip), + + DISABLED(bench_aes), + DISABLED(bench_dmap), + END_OF_TESTCASES +}; + +static struct testgroup_t testgroups[] = { + { "", test_array }, + END_OF_GROUPS +}; + +/** Main entry point for unit test code: parse the command line, and run + * some unit tests. */ +int +main(int c, const char **v) +{ + or_options_t *options; + char *errmsg = NULL; + int i, i_out; + int loglevel = LOG_ERR; + +#ifdef USE_DMALLOC + { + int r = CRYPTO_set_mem_ex_functions(_tor_malloc, _tor_realloc, _tor_free); + tor_assert(r); + } +#endif + + update_approx_time(time(NULL)); + options = options_new(); + tor_threads_init(); + init_logging(); + + for (i_out = i = 1; i < c; ++i) { + if (!strcmp(v[i], "--warn")) { + loglevel = LOG_WARN; + } else if (!strcmp(v[i], "--notice")) { + loglevel = LOG_NOTICE; + } else if (!strcmp(v[i], "--info")) { + loglevel = LOG_INFO; + } else if (!strcmp(v[i], "--debug")) { + loglevel = LOG_DEBUG; + } else { + v[i_out++] = v[i]; + } + } + c = i_out; + + { + log_severity_list_t s; + memset(&s, 0, sizeof(s)); + set_log_severity_config(loglevel, LOG_ERR, &s); + add_stream_log(&s, "", fileno(stdout)); + } + + options->command = CMD_RUN_UNITTESTS; + crypto_global_init(0, NULL, NULL); + rep_hist_init(); + network_init(); + setup_directory(); + options_init(options); + options->DataDirectory = tor_strdup(temp_dir); + options->EntryStatistics = 1; + if (set_options(options, &errmsg) < 0) { + printf("Failed to set initial options: %s\n", errmsg); + tor_free(errmsg); + return 1; + } + + crypto_seed_rng(1); + + atexit(remove_directory); + + have_failed = (tinytest_main(c, v, testgroups) < 0); + + free_pregenerated_keys(); +#ifdef USE_DMALLOC + tor_free_all(0); + dmalloc_log_unfreed(); +#endif + + if (have_failed) + return 1; + else + return 0; +} + |