mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-11 21:53:48 +01:00
423 lines
11 KiB
C
423 lines
11 KiB
C
/* Copyright (c) 2010-2019, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#include "orconfig.h"
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#include "core/or/or.h"
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#include "test/test.h"
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#include "lib/crypt_ops/crypto_rand.h"
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#define UTIL_FORMAT_PRIVATE
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#include "lib/encoding/binascii.h"
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#define NS_MODULE util_format
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static void
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test_util_format_unaligned_accessors(void *ignored)
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{
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(void)ignored;
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char buf[9] = "onionsoup"; // 6f6e696f6e736f7570
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tt_u64_op(get_uint64(buf+1), OP_EQ,
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tor_htonll(UINT64_C(0x6e696f6e736f7570)));
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tt_uint_op(get_uint32(buf+1), OP_EQ, htonl(0x6e696f6e));
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tt_uint_op(get_uint16(buf+1), OP_EQ, htons(0x6e69));
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tt_uint_op(get_uint8(buf+1), OP_EQ, 0x6e);
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set_uint8(buf+7, 0x61);
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tt_mem_op(buf, OP_EQ, "onionsoap", 9);
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set_uint16(buf+6, htons(0x746f));
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tt_mem_op(buf, OP_EQ, "onionstop", 9);
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set_uint32(buf+1, htonl(0x78696465));
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tt_mem_op(buf, OP_EQ, "oxidestop", 9);
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set_uint64(buf+1, tor_htonll(UINT64_C(0x6266757363617465)));
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tt_mem_op(buf, OP_EQ, "obfuscate", 9);
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done:
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;
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}
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static void
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test_util_format_base64_encode(void *ignored)
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{
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(void)ignored;
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int res;
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int i;
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char *src;
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char *dst;
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src = tor_malloc_zero(256);
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dst = tor_malloc_zero(1000);
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for (i=0;i<256;i++) {
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src[i] = (char)i;
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}
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res = base64_encode(NULL, 1, src, 1, 0);
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tt_int_op(res, OP_EQ, -1);
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res = base64_encode(dst, 1, NULL, 1, 0);
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tt_int_op(res, OP_EQ, -1);
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res = base64_encode(dst, 1, src, 10, 0);
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tt_int_op(res, OP_EQ, -1);
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res = base64_encode(dst, SSIZE_MAX-1, src, 1, 0);
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tt_int_op(res, OP_EQ, -1);
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res = base64_encode(dst, SSIZE_MAX-1, src, 10, 0);
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tt_int_op(res, OP_EQ, -1);
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res = base64_encode(dst, 1000, src, 256, 0);
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tt_int_op(res, OP_EQ, 344);
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tt_str_op(dst, OP_EQ, "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh"
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"8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZH"
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"SElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3"
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"BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeY"
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"mZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/wM"
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"HCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp"
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"6uvs7e7v8PHy8/T19vf4+fr7/P3+/w==");
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res = base64_encode(dst, 1000, src, 256, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 350);
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tt_str_op(dst, OP_EQ,
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"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4v\n"
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"MDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5f\n"
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"YGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6P\n"
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"kJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/\n"
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"wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v\n"
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"8PHy8/T19vf4+fr7/P3+/w==\n");
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res = base64_encode(dst, 1000, src+1, 255, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 346);
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for (i = 0;i<50;i++) {
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src[i] = 0;
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}
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src[50] = (char)255;
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src[51] = (char)255;
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src[52] = (char)255;
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src[53] = (char)255;
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res = base64_encode(dst, 1000, src, 54, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 74);
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res = base64_encode(dst, 1000, src+1, 53, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 74);
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res = base64_encode(dst, 1000, src+2, 52, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 74);
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res = base64_encode(dst, 1000, src+3, 51, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 70);
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res = base64_encode(dst, 1000, src+4, 50, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 70);
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res = base64_encode(dst, 1000, src+5, 49, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 70);
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res = base64_encode(dst, 1000, src+6, 48, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 65);
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res = base64_encode(dst, 1000, src+7, 47, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 65);
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res = base64_encode(dst, 1000, src+8, 46, BASE64_ENCODE_MULTILINE);
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tt_int_op(res, OP_EQ, 65);
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done:
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tor_free(src);
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tor_free(dst);
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}
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static void
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test_util_format_base64_decode_oddsize(void *ignored)
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{
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(void)ignored;
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int res;
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int i;
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char *src;
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char *dst, real_dst[7];
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char expected[] = {0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65};
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char real_src[] = "ZXhhbXBsZQ";
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char expected40[] = "testing40characteroddsizebase64encoding!";
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char src40[] = "dGVzdGluZzQwY2hhcmFjdGVyb2Rkc2l6ZWJhc2U2NGVuY29kaW5nIQ";
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char pad40[] = "dGVzdGluZzQwY2hhcmFjdGVyb2Rkc2l6ZWJhc2U2NGVuY29kaW5nIQ==";
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src = tor_malloc_zero(256);
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dst = tor_malloc_zero(1000);
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for (i=0;i<256;i++) {
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src[i] = (char)i;
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}
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res = base64_decode(dst, 1, src, 5);
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tt_int_op(res, OP_EQ, -1);
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const char *s = "SGVsbG8gd29ybGQ";
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res = base64_decode(dst, 1000, s, strlen(s));
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tt_int_op(res, OP_EQ, 11);
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tt_mem_op(dst, OP_EQ, "Hello world", 11);
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s = "T3BhIG11bmRv";
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res = base64_decode(dst, 9, s, strlen(s));
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tt_int_op(res, OP_EQ, 9);
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tt_mem_op(dst, OP_EQ, "Opa mundo", 9);
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res = base64_decode(real_dst, sizeof(real_dst), real_src, 10);
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tt_int_op(res, OP_EQ, 7);
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tt_mem_op(real_dst, OP_EQ, expected, 7);
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res = base64_decode(dst, 40, src40, strlen(src40));
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tt_int_op(res, OP_EQ, 40);
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tt_mem_op(dst, OP_EQ, expected40, 40);
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res = base64_decode(dst, 40, pad40, strlen(pad40));
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tt_int_op(res, OP_EQ, 40);
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tt_mem_op(dst, OP_EQ, expected40, 40);
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done:
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tor_free(src);
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tor_free(dst);
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}
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static void
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test_util_format_base64_decode(void *ignored)
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{
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(void)ignored;
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int res;
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int i;
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char *src;
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char *dst, *real_dst;
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uint8_t expected[] = {0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65};
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char real_src[] = "ZXhhbXBsZQ==";
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src = tor_malloc_zero(256);
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dst = tor_malloc_zero(1000);
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real_dst = tor_malloc_zero(10);
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for (i=0;i<256;i++) {
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src[i] = (char)i;
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}
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res = base64_decode(dst, 1, src, 100);
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tt_int_op(res, OP_EQ, -1);
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res = base64_decode(dst, 1, real_src, 10);
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tt_int_op(res, OP_EQ, -1);
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const char *s = "T3BhIG11bmRv";
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res = base64_decode(dst, 9, s, strlen(s));
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tt_int_op(res, OP_EQ, 9);
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tt_mem_op(dst, OP_EQ, "Opa mundo", 9);
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memset(dst, 0, 1000);
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res = base64_decode(dst, 100, s, strlen(s));
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tt_int_op(res, OP_EQ, 9);
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tt_mem_op(dst, OP_EQ, "Opa mundo", 9);
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s = "SGVsbG8gd29ybGQ=";
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res = base64_decode(dst, 100, s, strlen(s));
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tt_int_op(res, OP_EQ, 11);
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tt_mem_op(dst, OP_EQ, "Hello world", 11);
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res = base64_decode(real_dst, 10, real_src, 10);
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tt_int_op(res, OP_EQ, 7);
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tt_mem_op(real_dst, OP_EQ, expected, 7);
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done:
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tor_free(src);
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tor_free(dst);
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tor_free(real_dst);
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}
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static void
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test_util_format_base16_decode(void *ignored)
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{
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(void)ignored;
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int res;
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int i;
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char *src;
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char *dst, *real_dst;
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char expected[] = {0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65};
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char real_src[] = "6578616D706C65";
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src = tor_malloc_zero(256);
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dst = tor_malloc_zero(1000);
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real_dst = tor_malloc_zero(10);
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for (i=0;i<256;i++) {
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src[i] = (char)i;
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}
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res = base16_decode(dst, 3, src, 3);
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tt_int_op(res, OP_EQ, -1);
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res = base16_decode(dst, 1, src, 10);
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tt_int_op(res, OP_EQ, -1);
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res = base16_decode(dst, ((size_t)INT_MAX)+1, src, 10);
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tt_int_op(res, OP_EQ, -1);
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res = base16_decode(dst, 1000, "", 0);
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tt_int_op(res, OP_EQ, 0);
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res = base16_decode(dst, 1000, "aabc", 4);
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tt_int_op(res, OP_EQ, 2);
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tt_mem_op(dst, OP_EQ, "\xaa\xbc", 2);
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res = base16_decode(dst, 1000, "aabcd", 6);
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tt_int_op(res, OP_EQ, -1);
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res = base16_decode(dst, 1000, "axxx", 4);
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tt_int_op(res, OP_EQ, -1);
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res = base16_decode(real_dst, 10, real_src, 14);
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tt_int_op(res, OP_EQ, 7);
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tt_mem_op(real_dst, OP_EQ, expected, 7);
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done:
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tor_free(src);
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tor_free(dst);
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tor_free(real_dst);
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}
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static void
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test_util_format_base32_encode(void *arg)
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{
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(void) arg;
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size_t real_dstlen = 32;
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char *dst = tor_malloc_zero(real_dstlen);
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/* Basic use case that doesn't require a source length correction. */
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{
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/* Length of 10 bytes. */
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const char *src = "blahbleh12";
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size_t srclen = strlen(src);
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/* Expected result encoded base32. This was created using python as
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* such (and same goes for all test case.):
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*
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* b = bytes("blahbleh12", 'utf-8')
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* base64.b32encode(b)
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* (result in lower case)
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*/
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const char *expected = "mjwgc2dcnrswqmjs";
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base32_encode(dst, base32_encoded_size(srclen), src, srclen);
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tt_mem_op(expected, OP_EQ, dst, strlen(expected));
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/* Encode but to a larger size destination. */
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memset(dst, 0, real_dstlen);
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base32_encode(dst, real_dstlen, src, srclen);
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tt_mem_op(expected, OP_EQ, dst, strlen(expected));
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}
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/* Non multiple of 5 for the source buffer length. */
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{
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/* Length of 8 bytes. */
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const char *expected = "mjwgc2dcnrswq";
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const char *src = "blahbleh";
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size_t srclen = strlen(src);
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memset(dst, 0, real_dstlen);
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base32_encode(dst, base32_encoded_size(srclen), src, srclen);
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tt_mem_op(expected, OP_EQ, dst, strlen(expected));
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}
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done:
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tor_free(dst);
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}
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static void
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test_util_format_base32_decode(void *arg)
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{
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(void) arg;
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int ret;
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size_t real_dstlen = 32;
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char *dst = tor_malloc_zero(real_dstlen);
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/* Basic use case. */
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{
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/* Length of 10 bytes. */
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const char *expected = "blahbleh12";
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/* Expected result encoded base32. */
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const char *src = "mjwgc2dcnrswqmjs";
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ret = base32_decode(dst, strlen(expected), src, strlen(src));
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tt_int_op(ret, OP_EQ, 0);
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tt_str_op(expected, OP_EQ, dst);
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}
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/* Non multiple of 5 for the source buffer length. */
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{
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/* Length of 8 bytes. */
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const char *expected = "blahbleh";
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const char *src = "mjwgc2dcnrswq";
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ret = base32_decode(dst, strlen(expected), src, strlen(src));
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tt_int_op(ret, OP_EQ, 0);
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tt_mem_op(expected, OP_EQ, dst, strlen(expected));
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}
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/* Invalid values. */
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{
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/* Invalid character '#'. */
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ret = base32_decode(dst, real_dstlen, "#abcde", 6);
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tt_int_op(ret, OP_EQ, -1);
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/* Make sure the destination buffer has been zeroed even on error. */
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tt_int_op(tor_mem_is_zero(dst, real_dstlen), OP_EQ, 1);
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}
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done:
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tor_free(dst);
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}
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static void
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test_util_format_encoded_size(void *arg)
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{
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(void)arg;
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uint8_t inbuf[256];
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char outbuf[1024];
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unsigned i;
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crypto_rand((char *)inbuf, sizeof(inbuf));
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for (i = 0; i <= sizeof(inbuf); ++i) {
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/* XXXX (Once the return values are consistent, check them too.) */
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base32_encode(outbuf, sizeof(outbuf), (char *)inbuf, i);
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/* The "+ 1" below is an API inconsistency. */
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tt_int_op(strlen(outbuf) + 1, OP_EQ, base32_encoded_size(i));
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base64_encode(outbuf, sizeof(outbuf), (char *)inbuf, i, 0);
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tt_int_op(strlen(outbuf), OP_EQ, base64_encode_size(i, 0));
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tt_int_op(i, OP_LE, base64_decode_maxsize(strlen(outbuf)));
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base64_encode(outbuf, sizeof(outbuf), (char *)inbuf, i,
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BASE64_ENCODE_MULTILINE);
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tt_int_op(strlen(outbuf), OP_EQ,
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base64_encode_size(i, BASE64_ENCODE_MULTILINE));
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tt_int_op(i, OP_LE, base64_decode_maxsize(strlen(outbuf)));
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}
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done:
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;
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}
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struct testcase_t util_format_tests[] = {
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{ "unaligned_accessors", test_util_format_unaligned_accessors, 0,
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NULL, NULL },
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{ "base64_encode", test_util_format_base64_encode, 0, NULL, NULL },
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{ "base64_decode_oddsize", test_util_format_base64_decode_oddsize, 0,
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NULL, NULL },
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{ "base64_decode", test_util_format_base64_decode, 0, NULL, NULL },
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{ "base16_decode", test_util_format_base16_decode, 0, NULL, NULL },
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{ "base32_encode", test_util_format_base32_encode, 0,
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NULL, NULL },
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{ "base32_decode", test_util_format_base32_decode, 0,
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NULL, NULL },
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{ "encoded_size", test_util_format_encoded_size, 0, NULL, NULL },
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END_OF_TESTCASES
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};
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