| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2022 Karlson2k (Evgeny Grin) |
| |
| This test tool is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2, or |
| (at your option) any later version. |
| |
| This test tool is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file microhttpd/test_str_bin_hex.c |
| * @brief Unit tests for hex strings <-> binary data processing |
| * @author Karlson2k (Evgeny Grin) |
| */ |
| |
| #include "mhd_options.h" |
| #include <string.h> |
| #include <stdio.h> |
| #include "mhd_str.h" |
| #include "mhd_assert.h" |
| |
| #ifndef MHD_STATICSTR_LEN_ |
| /** |
| * Determine length of static string / macro strings at compile time. |
| */ |
| #define MHD_STATICSTR_LEN_(macro) (sizeof(macro) / sizeof(char) - 1) |
| #endif /* ! MHD_STATICSTR_LEN_ */ |
| |
| |
| static char tmp_bufs[4][4 * 1024]; /* should be enough for testing */ |
| static size_t buf_idx = 0; |
| |
| /* print non-printable chars as char codes */ |
| static char * |
| n_prnt (const char *str, size_t len) |
| { |
| static char *buf; /* should be enough for testing */ |
| static const size_t buf_size = sizeof(tmp_bufs[0]); |
| size_t r_pos = 0; |
| size_t w_pos = 0; |
| if (++buf_idx >= (sizeof(tmp_bufs) / sizeof(tmp_bufs[0]))) |
| buf_idx = 0; |
| buf = tmp_bufs[buf_idx]; |
| |
| while (len > r_pos && w_pos + 1 < buf_size) |
| { |
| const unsigned char c = (unsigned char) str[r_pos]; |
| if ((c == '\\') || (c == '"') ) |
| { |
| if (w_pos + 2 >= buf_size) |
| break; |
| buf[w_pos++] = '\\'; |
| buf[w_pos++] = (char) c; |
| } |
| else if ((c >= 0x20) && (c <= 0x7E) ) |
| buf[w_pos++] = (char) c; |
| else |
| { |
| if (w_pos + 4 >= buf_size) |
| break; |
| if (snprintf (buf + w_pos, buf_size - w_pos, "\\x%02hX", (short unsigned |
| int) c) != 4) |
| break; |
| w_pos += 4; |
| } |
| r_pos++; |
| } |
| |
| if (len != r_pos) |
| { /* not full string is printed */ |
| /* enough space for "..." ? */ |
| if (w_pos + 3 > buf_size) |
| w_pos = buf_size - 4; |
| buf[w_pos++] = '.'; |
| buf[w_pos++] = '.'; |
| buf[w_pos++] = '.'; |
| } |
| buf[w_pos] = 0; |
| return buf; |
| } |
| |
| |
| #define TEST_BIN_MAX_SIZE (2 * 1024) |
| |
| /* return zero if succeed, number of failures otherwise */ |
| static unsigned int |
| expect_decoded_n (const char *const hex, const size_t hex_len, |
| const uint8_t *const bin, const size_t bin_size, |
| const unsigned int line_num) |
| { |
| static const char fill_chr = '#'; |
| static char buf[TEST_BIN_MAX_SIZE]; |
| size_t res_size; |
| unsigned int ret; |
| |
| mhd_assert (NULL != hex); |
| mhd_assert (NULL != bin); |
| mhd_assert (TEST_BIN_MAX_SIZE > bin_size + 1); |
| mhd_assert (TEST_BIN_MAX_SIZE > hex_len + 1); |
| mhd_assert (hex_len >= bin_size); |
| mhd_assert (1 >= hex_len || hex_len > bin_size); |
| |
| ret = 0; |
| |
| /* check MHD_hex_to_bin() */ |
| if (1) |
| { |
| unsigned int check_res = 0; |
| |
| memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ |
| res_size = MHD_hex_to_bin (hex, hex_len, buf); |
| if (res_size != bin_size) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_hex_to_bin ()' FAILED: " |
| "Wrong returned value:\n"); |
| } |
| else |
| { |
| if ((0 != bin_size) && |
| (0 != memcmp (buf, bin, bin_size))) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_hex_to_bin ()' FAILED: " |
| "Wrong output data:\n"); |
| } |
| } |
| if (fill_chr != buf[res_size]) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_str_pct_decode_strict_n_ ()' FAILED: " |
| "A char written outside the buffer:\n"); |
| } |
| if (0 != check_res) |
| { |
| ret++; |
| fprintf (stderr, |
| "\tRESULT : MHD_hex_to_bin (\"%s\", %u, " |
| "->\"%s\") -> %u\n", |
| n_prnt (hex, hex_len), (unsigned) hex_len, |
| n_prnt (buf, res_size), |
| (unsigned) res_size); |
| fprintf (stderr, |
| "\tEXPECTED: MHD_hex_to_bin (\"%s\", %u, " |
| "->\"%s\") -> %u\n", |
| n_prnt (hex, hex_len), (unsigned) hex_len, |
| n_prnt ((const char *) bin, bin_size), |
| (unsigned) bin_size); |
| } |
| } |
| |
| /* check MHD_bin_to_hex() */ |
| if (0 == hex_len % 2) |
| { |
| unsigned int check_res = 0; |
| |
| memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ |
| res_size = MHD_bin_to_hex_z (bin, bin_size, buf); |
| |
| if (res_size != hex_len) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_bin_to_hex ()' FAILED: " |
| "Wrong returned value:\n"); |
| } |
| else |
| { |
| if ((0 != hex_len) && |
| (! MHD_str_equal_caseless_bin_n_ (buf, hex, hex_len))) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_bin_to_hex ()' FAILED: " |
| "Wrong output string:\n"); |
| } |
| } |
| if (fill_chr != buf[res_size + 1]) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_bin_to_hex ()' FAILED: " |
| "A char written outside the buffer:\n"); |
| } |
| if (0 != buf[res_size]) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_bin_to_hex ()' FAILED: " |
| "The result is not zero-terminated:\n"); |
| } |
| if (0 != check_res) |
| { |
| ret++; |
| fprintf (stderr, |
| "\tRESULT : MHD_bin_to_hex (\"%s\", %u, " |
| "->\"%s\") -> %u\n", |
| n_prnt ((const char *) bin, bin_size), (unsigned) bin_size, |
| n_prnt (buf, res_size), |
| (unsigned) res_size); |
| fprintf (stderr, |
| "\tEXPECTED: MHD_bin_to_hex (\"%s\", %u, " |
| "->(lower case)\"%s\") -> %u\n", |
| n_prnt ((const char *) bin, bin_size), (unsigned) bin_size, |
| n_prnt (hex, hex_len), |
| (unsigned) bin_size); |
| } |
| } |
| |
| if (0 != ret) |
| { |
| fprintf (stderr, |
| "The check is at line: %u\n\n", line_num); |
| } |
| return ret; |
| } |
| |
| |
| #define expect_decoded_arr(h,a) \ |
| expect_decoded_n(h,MHD_STATICSTR_LEN_(h),\ |
| a,(sizeof(a)/sizeof(a[0])), \ |
| __LINE__) |
| |
| static unsigned int |
| check_decode_bin (void) |
| { |
| unsigned int r = 0; /**< The number of errors */ |
| |
| if (1) |
| { |
| static const uint8_t bin[256] = |
| {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, |
| 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, |
| 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, |
| 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, |
| 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
| 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, |
| 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, |
| 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, |
| 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
| 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, |
| 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, |
| 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, |
| 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, |
| 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, |
| 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, |
| 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, |
| 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, |
| 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, |
| 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, |
| 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, |
| 0xff }; |
| /* The lower case */ |
| r += expect_decoded_arr ("000102030405060708090a0b0c0d0e" \ |
| "0f101112131415161718191a1b1c1d" \ |
| "1e1f202122232425262728292a2b2c" \ |
| "2d2e2f303132333435363738393a3b" \ |
| "3c3d3e3f404142434445464748494a" \ |
| "4b4c4d4e4f50515253545556575859" \ |
| "5a5b5c5d5e5f606162636465666768" \ |
| "696a6b6c6d6e6f7071727374757677" \ |
| "78797a7b7c7d7e7f80818283848586" \ |
| "8788898a8b8c8d8e8f909192939495" \ |
| "969798999a9b9c9d9e9fa0a1a2a3a4" \ |
| "a5a6a7a8a9aaabacadaeafb0b1b2b3" \ |
| "b4b5b6b7b8b9babbbcbdbebfc0c1c2" \ |
| "c3c4c5c6c7c8c9cacbcccdcecfd0d1" \ |
| "d2d3d4d5d6d7d8d9dadbdcdddedfe0" \ |
| "e1e2e3e4e5e6e7e8e9eaebecedeeef" \ |
| "f0f1f2f3f4f5f6f7f8f9fafbfcfdfe" \ |
| "ff", bin); |
| } |
| |
| if (1) |
| { |
| static const uint8_t bin[256] = |
| {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, |
| 0xf, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, |
| 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, |
| 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, |
| 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
| 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, |
| 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, |
| 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, |
| 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
| 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, |
| 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, |
| 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, |
| 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, |
| 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, |
| 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, |
| 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, |
| 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, |
| 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, |
| 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, |
| 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, |
| 0xff }; |
| /* The upper case */ |
| r += expect_decoded_arr ("000102030405060708090A0B0C0D0E" \ |
| "0F101112131415161718191A1B1C1D" \ |
| "1E1F202122232425262728292A2B2C" \ |
| "2D2E2F303132333435363738393A3B" \ |
| "3C3D3E3F404142434445464748494A" \ |
| "4B4C4D4E4F50515253545556575859" \ |
| "5A5B5C5D5E5F606162636465666768" \ |
| "696A6B6C6D6E6F7071727374757677" \ |
| "78797A7B7C7D7E7F80818283848586" \ |
| "8788898A8B8C8D8E8F909192939495" \ |
| "969798999A9B9C9D9E9FA0A1A2A3A4" \ |
| "A5A6A7A8A9AAABACADAEAFB0B1B2B3" \ |
| "B4B5B6B7B8B9BABBBCBDBEBFC0C1C2" \ |
| "C3C4C5C6C7C8C9CACBCCCDCECFD0D1" \ |
| "D2D3D4D5D6D7D8D9DADBDCDDDEDFE0" \ |
| "E1E2E3E4E5E6E7E8E9EAEBECEDEEEF" \ |
| "F0F1F2F3F4F5F6F7F8F9FAFBFCFDFE" \ |
| "FF", bin); |
| } |
| if (1) |
| { |
| static const uint8_t bin[3] = |
| {0x1, 0x2, 0x3}; |
| r += expect_decoded_arr ("010203", bin); |
| } |
| if (1) |
| { |
| static const uint8_t bin[3] = |
| {0x1, 0x2, 0x3}; |
| r += expect_decoded_arr ("10203", bin); |
| } |
| if (1) |
| { |
| static const uint8_t bin[1] = |
| {0x1}; |
| r += expect_decoded_arr ("01", bin); |
| } |
| if (1) |
| { |
| static const uint8_t bin[1] = |
| {0x1}; |
| r += expect_decoded_arr ("1", bin); |
| } |
| |
| return r; |
| } |
| |
| |
| /* return zero if succeed, number of failures otherwise */ |
| static unsigned int |
| expect_failed_n (const char *const hex, const size_t hex_len, |
| const unsigned int line_num) |
| { |
| static const char fill_chr = '#'; |
| static char buf[TEST_BIN_MAX_SIZE]; |
| size_t res_size; |
| unsigned int ret; |
| |
| mhd_assert (NULL != hex); |
| mhd_assert (TEST_BIN_MAX_SIZE > hex_len + 1); |
| |
| ret = 0; |
| |
| /* check MHD_hex_to_bin() */ |
| if (1) |
| { |
| unsigned int check_res = 0; |
| |
| memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ |
| res_size = MHD_hex_to_bin (hex, hex_len, buf); |
| if (res_size != 0) |
| { |
| check_res = 1; |
| fprintf (stderr, |
| "'MHD_hex_to_bin ()' FAILED: " |
| "Wrong returned value:\n"); |
| } |
| if (0 != check_res) |
| { |
| ret++; |
| fprintf (stderr, |
| "\tRESULT : MHD_hex_to_bin (\"%s\", %u, " |
| "->\"%s\") -> %u\n", |
| n_prnt (hex, hex_len), (unsigned) hex_len, |
| n_prnt (buf, res_size), |
| (unsigned) res_size); |
| fprintf (stderr, |
| "\tEXPECTED: MHD_hex_to_bin (\"%s\", %u, " |
| "->(not defined)) -> 0\n", |
| n_prnt (hex, hex_len), (unsigned) hex_len); |
| } |
| } |
| |
| if (0 != ret) |
| { |
| fprintf (stderr, |
| "The check is at line: %u\n\n", line_num); |
| } |
| return ret; |
| } |
| |
| |
| #define expect_failed(h) \ |
| expect_failed_n(h,MHD_STATICSTR_LEN_(h), \ |
| __LINE__) |
| |
| |
| static unsigned int |
| check_broken_str (void) |
| { |
| unsigned int r = 0; /**< The number of errors */ |
| |
| r += expect_failed ("abcx"); |
| r += expect_failed ("X"); |
| r += expect_failed ("!"); |
| r += expect_failed ("01z"); |
| r += expect_failed ("0z"); |
| r += expect_failed ("00z"); |
| r += expect_failed ("000Y"); |
| |
| return r; |
| } |
| |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| unsigned int errcount = 0; |
| (void) argc; (void) argv; /* Unused. Silent compiler warning. */ |
| errcount += check_decode_bin (); |
| errcount += check_broken_str (); |
| if (0 == errcount) |
| printf ("All tests have been passed without errors.\n"); |
| return errcount == 0 ? 0 : 1; |
| } |
