libmicrohttpd

HTTP/1.x server C library (MHD 1.x, stable)
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commit 57f57e8bfebab50dfde510523f09885d43aae369
parent 420ed698d63401e4cc6d51913145067691f050b7
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Mon, 18 Jul 2022 11:34:46 +0300

Added tests for percent-decoding functions

Diffstat:
Msrc/microhttpd/.gitignore | 1+
Msrc/microhttpd/Makefile.am | 4++++
Asrc/microhttpd/test_str_pct.c | 1060+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 1065 insertions(+), 0 deletions(-)

diff --git a/src/microhttpd/.gitignore b/src/microhttpd/.gitignore @@ -81,3 +81,4 @@ test_postprocessor_md /test_auth_parse /test_str_quote /test_str_base64 +/test_str_pct diff --git a/src/microhttpd/Makefile.am b/src/microhttpd/Makefile.am @@ -190,6 +190,7 @@ check_PROGRAMS = \ test_str_token \ test_str_token_remove \ test_str_tokens_remove \ + test_str_pct \ test_http_reasons \ test_md5 \ test_sha1 \ @@ -457,6 +458,9 @@ test_str_quote_SOURCES = \ test_str_base64_SOURCES = \ test_str_base64.c mhd_str.h mhd_str.c mhd_assert.h +test_str_pct_SOURCES = \ + test_str_pct.c mhd_str.h mhd_str.c mhd_assert.h + test_options_SOURCES = \ test_options.c test_options_LDADD = \ diff --git a/src/microhttpd/test_str_pct.c b/src/microhttpd/test_str_pct.c @@ -0,0 +1,1060 @@ +/* + 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_pct.c + * @brief Unit tests for percent (URL) encoded strings 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 1024 + +/* return zero if succeed, number of failures otherwise */ +static unsigned int +expect_decoded_n (const char *const encoded, const size_t encoded_len, + const char *const decoded, const size_t decoded_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 != encoded); + mhd_assert (NULL != decoded); + mhd_assert (TEST_BIN_MAX_SIZE > decoded_size + 1); + mhd_assert (TEST_BIN_MAX_SIZE > encoded_len + 1); + mhd_assert (encoded_len >= decoded_size); + + ret = 0; + + /* check MHD_str_pct_decode_strict_n_() with small out buffer */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_strict_n_ (encoded, encoded_len, buf, + decoded_size + 1); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + 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"); + } + else + { + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_strict_n_ (encoded, encoded_len, buf, + decoded_size); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) decoded_size, + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) decoded_size, + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_strict_n_() with large out buffer */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_strict_n_ (encoded, encoded_len, buf, + encoded_len + 1); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + 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 ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) (encoded_len + 1), + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) (encoded_len + 1), + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_lenient_n_() with small out buffer */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = true; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + decoded_size + 1, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (fill_chr != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + else + { + is_broken = true; + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + decoded_size, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + } + if (is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->%s) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) decoded_size, + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->false) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) decoded_size, + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_lenient_n_() with large out buffer */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = true; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + encoded_len + 1, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (fill_chr != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + if (is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->%s) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) (encoded_len + 1), + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->false) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) (encoded_len + 1), + (unsigned) decoded_size); + } + } + + if (strlen (encoded) == encoded_len) + { + /* check MHD_str_pct_decode_in_place_strict_() */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + memcpy (buf, encoded, encoded_len); + buf[encoded_len] = 0; + res_size = MHD_str_pct_decode_in_place_strict_ (buf); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_strict_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (0 != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_strict_ ()' FAILED: " + "The result is not zero-terminated:\n"); + } + if (((res_size + 1) < encoded_len) ? + (encoded[res_size + 1] != buf[res_size + 1]) : + (fill_chr != buf[res_size + 1])) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_strict_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_strict_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_in_place_strict_ (\"%s\" " + "-> \"%s\") -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (buf, res_size), + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_in_place_strict_ (\"%s\" " + "-> \"%s\") -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (decoded, decoded_size), + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_in_place_lenient_() */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = true; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + memcpy (buf, encoded, encoded_len); + buf[encoded_len] = 0; + res_size = MHD_str_pct_decode_in_place_lenient_ (buf, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (0 != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "The result is not zero-terminated:\n"); + } + if (((res_size + 1) < encoded_len) ? + (encoded[res_size + 1] != buf[res_size + 1]) : + (fill_chr != buf[res_size + 1])) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + if (is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_in_place_lenient_ (\"%s\" " + "-> \"%s\", ->%s) -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (buf, res_size), + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_in_place_lenient_ (\"%s\" " + "-> \"%s\", ->false) -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (decoded, decoded_size), + (unsigned) decoded_size); + } + } + } + + if (0 != ret) + { + fprintf (stderr, + "The check is at line: %u\n\n", line_num); + } + return ret; +} + + +#define expect_decoded(e,d) \ + expect_decoded_n(e,MHD_STATICSTR_LEN_(e),\ + d,MHD_STATICSTR_LEN_(d), \ + __LINE__) + +static unsigned int +check_decode_str (void) +{ + unsigned int r = 0; /**< The number of errors */ + + r += expect_decoded ("", ""); + + /* Base sequences without percent symbol */ + r += expect_decoded ("aaa", "aaa"); + r += expect_decoded ("bbb", "bbb"); + r += expect_decoded ("ccc", "ccc"); + r += expect_decoded ("ddd", "ddd"); + r += expect_decoded ("lll", "lll"); + r += expect_decoded ("mmm", "mmm"); + r += expect_decoded ("nnn", "nnn"); + r += expect_decoded ("ooo", "ooo"); + r += expect_decoded ("www", "www"); + r += expect_decoded ("xxx", "xxx"); + r += expect_decoded ("yyy", "yyy"); + r += expect_decoded ("zzz", "zzz"); + r += expect_decoded ("AAA", "AAA"); + r += expect_decoded ("GGG", "GGG"); + r += expect_decoded ("MMM", "MMM"); + r += expect_decoded ("TTT", "TTT"); + r += expect_decoded ("ZZZ", "ZZZ"); + r += expect_decoded ("012", "012"); + r += expect_decoded ("345", "345"); + r += expect_decoded ("678", "678"); + r += expect_decoded ("901", "901"); + r += expect_decoded ("aaaaaa", "aaaaaa"); + r += expect_decoded ("bbbbbb", "bbbbbb"); + r += expect_decoded ("cccccc", "cccccc"); + r += expect_decoded ("dddddd", "dddddd"); + r += expect_decoded ("llllll", "llllll"); + r += expect_decoded ("mmmmmm", "mmmmmm"); + r += expect_decoded ("nnnnnn", "nnnnnn"); + r += expect_decoded ("oooooo", "oooooo"); + r += expect_decoded ("wwwwww", "wwwwww"); + r += expect_decoded ("xxxxxx", "xxxxxx"); + r += expect_decoded ("yyyyyy", "yyyyyy"); + r += expect_decoded ("zzzzzz", "zzzzzz"); + r += expect_decoded ("AAAAAA", "AAAAAA"); + r += expect_decoded ("GGGGGG", "GGGGGG"); + r += expect_decoded ("MMMMMM", "MMMMMM"); + r += expect_decoded ("TTTTTT", "TTTTTT"); + r += expect_decoded ("ZZZZZZ", "ZZZZZZ"); + r += expect_decoded ("012012", "012012"); + r += expect_decoded ("345345", "345345"); + r += expect_decoded ("678678", "678678"); + r += expect_decoded ("901901", "901901"); + r += expect_decoded ("a", "a"); + r += expect_decoded ("bc", "bc"); + r += expect_decoded ("DEFG", "DEFG"); + r += expect_decoded ("123t", "123t"); + r += expect_decoded ("12345", "12345"); + r += expect_decoded ("TestStr", "TestStr"); + r += expect_decoded ("Teststring", "Teststring"); + r += expect_decoded ("Teststring.", "Teststring."); + r += expect_decoded ("Longerstring", "Longerstring"); + r += expect_decoded ("Longerstring.", "Longerstring."); + r += expect_decoded ("Longerstring2.", "Longerstring2."); + + /* Simple percent-encoded strings */ + r += expect_decoded ("Test%20string", "Test string"); + r += expect_decoded ("Test%3Fstring.", "Test?string."); + r += expect_decoded ("100%25", "100%"); + r += expect_decoded ("a%2C%20b%3Dc%26e%3Dg", "a, b=c&e=g"); + r += expect_decoded ("%20%21%23%24%25%26%27%28%29%2A%2B%2C" + "%2F%3A%3B%3D%3F%40%5B%5D%09", + " !#$%&'()*+,/:;=?@[]\t"); + + return r; +} + + +#define expect_decoded_arr(e,a) \ + expect_decoded_n(e,MHD_STATICSTR_LEN_(e),\ + (const char *)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 ("%00%01%02%03%04%05%06%07%08%09%0a%0b%0c%0d%0e" \ + "%0f%10%11%12%13%14%15%16%17%18%19%1a%1b%1c%1d" \ + "%1e%1f%20%21%22%23%24%25%26%27%28%29%2a%2b%2c" \ + "%2d%2e%2f%30%31%32%33%34%35%36%37%38%39%3a%3b" \ + "%3c%3d%3e%3f%40%41%42%43%44%45%46%47%48%49%4a" \ + "%4b%4c%4d%4e%4f%50%51%52%53%54%55%56%57%58%59" \ + "%5a%5b%5c%5d%5e%5f%60%61%62%63%64%65%66%67%68" \ + "%69%6a%6b%6c%6d%6e%6f%70%71%72%73%74%75%76%77" \ + "%78%79%7a%7b%7c%7d%7e%7f%80%81%82%83%84%85%86" \ + "%87%88%89%8a%8b%8c%8d%8e%8f%90%91%92%93%94%95" \ + "%96%97%98%99%9a%9b%9c%9d%9e%9f%a0%a1%a2%a3%a4" \ + "%a5%a6%a7%a8%a9%aa%ab%ac%ad%ae%af%b0%b1%b2%b3" \ + "%b4%b5%b6%b7%b8%b9%ba%bb%bc%bd%be%bf%c0%c1%c2" \ + "%c3%c4%c5%c6%c7%c8%c9%ca%cb%cc%cd%ce%cf%d0%d1" \ + "%d2%d3%d4%d5%d6%d7%d8%d9%da%db%dc%dd%de%df%e0" \ + "%e1%e2%e3%e4%e5%e6%e7%e8%e9%ea%eb%ec%ed%ee%ef" \ + "%f0%f1%f2%f3%f4%f5%f6%f7%f8%f9%fa%fb%fc%fd%fe" \ + "%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 ("%00%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E" \ + "%0F%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D" \ + "%1E%1F%20%21%22%23%24%25%26%27%28%29%2A%2B%2C" \ + "%2D%2E%2F%30%31%32%33%34%35%36%37%38%39%3A%3B" \ + "%3C%3D%3E%3F%40%41%42%43%44%45%46%47%48%49%4A" \ + "%4B%4C%4D%4E%4F%50%51%52%53%54%55%56%57%58%59" \ + "%5A%5B%5C%5D%5E%5F%60%61%62%63%64%65%66%67%68" \ + "%69%6A%6B%6C%6D%6E%6F%70%71%72%73%74%75%76%77" \ + "%78%79%7A%7B%7C%7D%7E%7F%80%81%82%83%84%85%86" \ + "%87%88%89%8A%8B%8C%8D%8E%8F%90%91%92%93%94%95" \ + "%96%97%98%99%9A%9B%9C%9D%9E%9F%A0%A1%A2%A3%A4" \ + "%A5%A6%A7%A8%A9%AA%AB%AC%AD%AE%AF%B0%B1%B2%B3" \ + "%B4%B5%B6%B7%B8%B9%BA%BB%BC%BD%BE%BF%C0%C1%C2" \ + "%C3%C4%C5%C6%C7%C8%C9%CA%CB%CC%CD%CE%CF%D0%D1" \ + "%D2%D3%D4%D5%D6%D7%D8%D9%DA%DB%DC%DD%DE%DF%E0" \ + "%E1%E2%E3%E4%E5%E6%E7%E8%E9%EA%EB%EC%ED%EE%EF" \ + "%F0%F1%F2%F3%F4%F5%F6%F7%F8%F9%FA%FB%FC%FD%FE" \ + "%FF", bin); + } + + return r; +} + + +/* return zero if succeed, number of failures otherwise */ +static unsigned int +expect_decoded_bad_n (const char *const encoded, const size_t encoded_len, + const char *const decoded, const size_t decoded_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 != encoded); + mhd_assert (NULL != decoded); + mhd_assert (TEST_BIN_MAX_SIZE > decoded_size + 1); + mhd_assert (TEST_BIN_MAX_SIZE > encoded_len + 1); + mhd_assert (encoded_len >= decoded_size); + + ret = 0; + + /* check MHD_str_pct_decode_strict_n_() with small out buffer */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_strict_n_ (encoded, encoded_len, buf, + decoded_size); + if (res_size != 0) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) decoded_size, + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->(not defined), %u) -> 0\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_strict_n_() with large out buffer */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_strict_n_ (encoded, encoded_len, buf, + encoded_len + 1); + if (res_size != 0) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_strict_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->\"%s\", %u) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) (encoded_len + 1), + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_strict_n_ (\"%s\", %u, " + "->(not defined), %u) -> 0\n", + n_prnt (encoded, encoded_len), (unsigned) (encoded_len + 1), + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_lenient_n_() with small out buffer */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = false; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + decoded_size + 1, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (fill_chr != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + else + { + is_broken = false; + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + decoded_size, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + } + if (! is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->%s) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) decoded_size, + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->true) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) decoded_size, + (unsigned) decoded_size); + } + } + + /* check MHD_str_pct_decode_lenient_n_() with large out buffer */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = false; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + res_size = MHD_str_pct_decode_lenient_n_ (encoded, encoded_len, buf, + encoded_len + 1, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (fill_chr != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + if (! is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_lenient_n_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->%s) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (buf, res_size), (unsigned) (encoded_len + 1), + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_lenient_n_ (\"%s\", %u, " + "->\"%s\", %u, ->true) -> %u\n", + n_prnt (encoded, encoded_len), (unsigned) encoded_len, + n_prnt (decoded, decoded_size), (unsigned) (encoded_len + 1), + (unsigned) decoded_size); + } + } + + if (strlen (encoded) == encoded_len) + { + /* check MHD_str_pct_decode_in_place_strict_() */ + if (1) + { + unsigned int check_res = 0; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + memcpy (buf, encoded, encoded_len); + buf[encoded_len] = 0; + res_size = MHD_str_pct_decode_in_place_strict_ (buf); + if (res_size != 0) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_strict_ ()' FAILED: " + "Wrong returned value:\n"); + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_in_place_strict_ (\"%s\" " + "-> \"%s\") -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (buf, res_size), + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_in_place_strict_ (\"%s\" " + "-> (not defined)) -> 0\n", + n_prnt (encoded, encoded_len)); + } + } + + /* check MHD_str_pct_decode_in_place_lenient_() */ + if (1) + { + unsigned int check_res = 0; + bool is_broken = false; + + memset (buf, fill_chr, sizeof(buf)); /* Fill buffer with some character */ + memcpy (buf, encoded, encoded_len); + buf[encoded_len] = 0; + res_size = MHD_str_pct_decode_in_place_lenient_ (buf, &is_broken); + if (res_size != decoded_size) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong returned value:\n"); + } + else + { + if (0 != buf[res_size]) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "The result is not zero-terminated:\n"); + } + if (((res_size + 1) < encoded_len) ? + (encoded[res_size + 1] != buf[res_size + 1]) : + (fill_chr != buf[res_size + 1])) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "A char written outside the buffer:\n"); + } + if (! is_broken) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong 'broken_encoding' result:\n"); + } + if ((res_size == decoded_size) && (0 != decoded_size) && + (0 != memcmp (buf, decoded, decoded_size))) + { + check_res = 1; + fprintf (stderr, + "'MHD_str_pct_decode_in_place_lenient_ ()' FAILED: " + "Wrong output string:\n"); + } + } + if (0 != check_res) + { + ret++; + fprintf (stderr, + "\tRESULT : MHD_str_pct_decode_in_place_lenient_ (\"%s\" " + "-> \"%s\", ->%s) -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (buf, res_size), + is_broken ? "true" : "false", + (unsigned) res_size); + fprintf (stderr, + "\tEXPECTED: MHD_str_pct_decode_in_place_lenient_ (\"%s\" " + "-> \"%s\", ->true) -> %u\n", + n_prnt (encoded, encoded_len), + n_prnt (decoded, decoded_size), + (unsigned) decoded_size); + } + } + } + + if (0 != ret) + { + fprintf (stderr, + "The check is at line: %u\n\n", line_num); + } + return ret; +} + + +#define expect_decoded_bad(e,d) \ + expect_decoded_bad_n(e,MHD_STATICSTR_LEN_(e),\ + d,MHD_STATICSTR_LEN_(d), \ + __LINE__) + +static unsigned int +check_decode_bad_str (void) +{ + unsigned int r = 0; /**< The number of errors */ + + r += expect_decoded_bad ("50%/50%", "50%/50%"); + r += expect_decoded_bad ("This is 100% incorrect.", + "This is 100% incorrect."); + r += expect_decoded_bad ("Some %%", "Some %%"); + r += expect_decoded_bad ("1 %", "1 %"); + r += expect_decoded_bad ("%", "%"); + r += expect_decoded_bad ("%a", "%a"); + r += expect_decoded_bad ("%0", "%0"); + r += expect_decoded_bad ("%0x", "%0x"); + r += expect_decoded_bad ("%FX", "%FX"); + r += expect_decoded_bad ("Valid%20and%2invalid", "Valid and%2invalid"); + + return r; +} + + +int +main (int argc, char *argv[]) +{ + unsigned int errcount = 0; + (void) argc; (void) argv; /* Unused. Silent compiler warning. */ + errcount += check_decode_str (); + errcount += check_decode_bin (); + errcount += check_decode_bad_str (); + if (0 == errcount) + printf ("All tests have been passed without errors.\n"); + return errcount == 0 ? 0 : 1; +}