mirror of
https://github.com/cryb-to/cryb-to.git
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363 lines
9.4 KiB
C
363 lines
9.4 KiB
C
/*-
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* Copyright (c) 2014-2016 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <sys/types.h>
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#include <errno.h>
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#include <stdint.h>
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#include <string.h>
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#include <cryb/rfc3986.h>
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#include <cryb/test.h>
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struct t_case {
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const char *desc;
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int (*func)(const char *, size_t, char *, size_t *);
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const char *in; /* input string */
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size_t ilen; /* input length */
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const char *out; /* expected output string or NULL */
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size_t blen; /* initial value for olen or 0 */
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size_t olen; /* expected value for olen */
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int ret; /* expected return value */
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int err; /* expected errno if ret != 0 */
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};
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/* basic encoding / decoding */
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#define T_ENCODE(i, o) \
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{ .func = percent_encode, \
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.in = i, .ilen = sizeof i, \
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.out = o, .blen = sizeof o, .olen = sizeof o, \
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.ret = 0, .err = 0 }
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#define T_DECODE(i, o) \
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{ .func = percent_decode, \
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.in = i, .ilen = sizeof i, \
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.out = o, .blen = sizeof o, .olen = sizeof o, \
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.ret = 0, .err = 0 }
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/* roundtrip encoding tests */
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#define T_ENCDEC(p, e) \
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T_ENCODE(p, e), T_DECODE(e, p)
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/* decoding failure */
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#define T_DECODE_FAIL(e, i, o) \
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{ .func = percent_decode, \
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.in = i, .ilen = sizeof i - 1, \
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.out = o, .blen = SIZE_MAX, .olen = sizeof o, \
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.ret = -1, .err = e }
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/* input string shorter than input length */
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#define T_SHORT_INPUT_ENC(i, o) \
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{ .desc = "encode (short input)", .func = percent_encode, \
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.in = i, .ilen = SIZE_MAX, \
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.out = o, .blen = SIZE_MAX, .olen = sizeof o }
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#define T_SHORT_INPUT_DEC(i, o) \
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{ .desc = "decode (short input)", .func = percent_decode, \
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.in = i, .ilen = SIZE_MAX, \
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.out = o, .blen = SIZE_MAX, .olen = sizeof o }
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/* input string longer than input length */
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#define T_LONG_INPUT_ENC(i, il, o, ol) \
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{ .desc = "encode (long input)", .func = percent_encode, \
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.in = i, .ilen = il, .out = o, .blen = ol, .olen = ol }
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#define T_LONG_INPUT_DEC(i, il, o, ol) \
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{ .desc = "decode (long input)", .func = percent_decode, \
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.in = i, .ilen = il, .out = o, .blen = ol, .olen = ol }
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/* output string longer than output length */
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#define T_LONG_OUTPUT_ENC(i, o, l) \
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{ .desc = "encode (long output)", .func = percent_encode, \
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.in = i, .ilen = SIZE_MAX, \
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.out = o, .blen = l, .olen = sizeof o, \
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.ret = -1, .err = ENOSPC }
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#define T_LONG_OUTPUT_DEC(i, o, l) \
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{ .desc = "decode (long output)", .func = percent_decode, \
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.in = i, .ilen = SIZE_MAX, \
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.out = o, .blen = l, .olen = sizeof o, \
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.ret = -1, .err = ENOSPC }
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static const char unreserved[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"0123456789"
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"-._~";
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static const char reserved[] =
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":/?#[]@" /* gen-delims */
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"!$&'()*+,;="; /* sub-delims */
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static const char reserved_upper[] =
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"%3A%2F%3F%23%5B%5D%40"
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"%21%24%26%27%28%29%2A%2B%2C%3B%3D";
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static const char reserved_lower[] =
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"%3a%2f%3f%23%5b%5d%40"
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"%21%24%26%27%28%29%2a%2b%2c%3b%3d";
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static const char mixed[] =
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"Magic = xyzzy";
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static const char mixed_upper[] =
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"Magic%20%3D%20xyzzy";
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static const char mixed_lower[] =
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"Magic%20%3d%20xyzzy";
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static struct t_case t_cases[] = {
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/* empty string */
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T_ENCDEC("", ""),
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/* unreserved characters */
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T_ENCDEC(unreserved, unreserved),
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/* reserved characters */
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T_ENCDEC(reserved, reserved_upper),
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T_DECODE(reserved_lower, reserved),
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/* individual reserved characters */
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T_ENCDEC("!", "%21"),
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T_ENCDEC("#", "%23"),
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T_ENCDEC("$", "%24"),
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T_ENCDEC("%", "%25"),
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T_ENCDEC("&", "%26"),
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T_ENCDEC("'", "%27"),
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T_ENCDEC("(", "%28"),
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T_ENCDEC(")", "%29"),
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T_ENCDEC("*", "%2A"),
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T_ENCDEC("+", "%2B"),
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T_ENCDEC(",", "%2C"),
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T_ENCDEC("/", "%2F"),
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T_ENCDEC(";", "%3B"),
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T_ENCDEC(":", "%3A"),
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T_ENCDEC("=", "%3D"),
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T_ENCDEC("?", "%3F"),
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T_ENCDEC("@", "%40"),
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T_ENCDEC("[", "%5B"),
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T_ENCDEC("]", "%5D"),
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T_DECODE("%2a", "*"),
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T_DECODE("%2b", "+"),
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T_DECODE("%2c", ","),
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T_DECODE("%2f", "/"),
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T_DECODE("%3a", ":"),
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T_DECODE("%3b", ";"),
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T_DECODE("%3d", "="),
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T_DECODE("%3f", "?"),
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T_DECODE("%5b", "["),
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T_DECODE("%5d", "]"),
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/* too few characters after % */
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T_DECODE_FAIL(EINVAL, "x%", "x"),
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T_DECODE_FAIL(EINVAL, "x%0", "x"),
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/* non-hex characters after % */
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T_DECODE_FAIL(EINVAL, "x%0z", "x"),
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T_DECODE_FAIL(EINVAL, "x%zz", "x"),
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T_DECODE_FAIL(EINVAL, "x%z0", "x"),
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/* input shorter than claimed */
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T_SHORT_INPUT_ENC(reserved, reserved_upper),
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T_SHORT_INPUT_DEC(reserved_lower, reserved),
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/* input longer than claimed */
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T_LONG_INPUT_ENC(mixed, 6, mixed_upper, 9),
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T_LONG_INPUT_DEC(mixed_lower, 8, mixed, 7),
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/* encoding into short buffer */
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T_LONG_OUTPUT_ENC(mixed, mixed_upper, 6),
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T_LONG_OUTPUT_ENC(mixed, mixed_upper, 7),
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T_LONG_OUTPUT_ENC(mixed, mixed_upper, 8),
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T_LONG_OUTPUT_ENC(mixed, mixed_upper, 9),
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/* decoding into short buffer */
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T_LONG_OUTPUT_DEC(unreserved, unreserved, 5),
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T_LONG_OUTPUT_DEC(reserved_lower, reserved, 5),
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/* various no-output scenarios (decoding) */
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{
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.desc = "decode (no output)",
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.func = percent_decode,
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.in = mixed_lower,
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = SIZE_MAX,
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.olen = sizeof mixed,
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/* success */
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},
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{
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.desc = "decode (no output, invalid sequence)",
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.func = percent_decode,
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.in = "x%",
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = SIZE_MAX,
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.olen = 2,
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.ret = -1,
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.err = EINVAL,
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},
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{
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.desc = "decode (no space)",
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.func = percent_decode,
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.in = mixed_lower,
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.ilen = SIZE_MAX,
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.out = "",
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.blen = 0,
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.olen = sizeof mixed,
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.ret = -1,
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.err = ENOSPC,
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},
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{
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.desc = "decode (no space, invalid sequence)",
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.func = percent_decode,
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.in = "x%",
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.ilen = SIZE_MAX,
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.out = "",
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.blen = 0,
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.olen = 2,
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/* invalid sequence trumps no space */
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.ret = -1,
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.err = EINVAL,
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},
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{
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.desc = "decode (no output, no space)",
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.func = percent_decode,
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.in = mixed_lower,
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = 0,
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.olen = sizeof mixed,
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/* success */
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},
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{
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.desc = "decode (no output, no space, invalid sequence)",
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.func = percent_decode,
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.in = "x%",
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = 0,
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.olen = 2,
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/* invalid sequence trumps no space */
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.ret = -1,
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.err = EINVAL,
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},
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/* various no-output scenarios (encoding) */
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{
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.desc = "encode (no output)",
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.func = percent_encode,
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.in = mixed,
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = SIZE_MAX,
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.olen = sizeof mixed_upper,
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/* success */
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},
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{
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.desc = "encode (no space)",
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.func = percent_encode,
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.in = mixed,
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.ilen = SIZE_MAX,
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.out = "",
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.blen = 0,
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.olen = sizeof mixed_upper,
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.ret = -1,
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.err = ENOSPC,
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},
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{
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.desc = "encode (no output, no space)",
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.func = percent_encode,
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.in = mixed,
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.ilen = SIZE_MAX,
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.out = NULL,
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.blen = 0,
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.olen = sizeof mixed_upper,
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/* success */
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},
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};
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/*
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* Encoding test function
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*/
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static int
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t_rfc3986(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_case *t = arg;
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char buf[256];
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size_t len;
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int ret;
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memset(buf, 0, sizeof buf);
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errno = 0;
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len = t->blen > sizeof buf ? sizeof buf : t->blen;
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ret = t_compare_i(t->ret,
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t->func(t->in, t->ilen, t->out ? buf : NULL, &len));
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ret &= t_compare_sz(t->olen, len);
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if (t->ret != 0 || errno != 0)
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ret &= t_compare_i(t->err, errno);
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if (t->out)
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ret &= t_compare_strn(t->out, buf, t->blen - 1);
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return (ret);
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}
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/***************************************************************************
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* Boilerplate
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*/
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static int
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t_prepare(int argc, char *argv[])
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{
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struct t_case *t;
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_cases / sizeof t_cases[0];
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for (i = 0; i < n; ++i) {
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t = &t_cases[i];
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if (t->desc) {
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t_add_test(t_rfc3986, t, "%s", t->desc);
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} else if (t->ret == 0) {
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t_add_test(t_rfc3986, t,
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"%s \"%s\" -> \"%s\"",
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t->func == percent_encode ? "encode" : "decode",
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t->in, t->out);
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} else {
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t_add_test(t_rfc3986, t,
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"%s \"%s\" (failure)",
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t->func == percent_encode ? "encode" : "decode",
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t->in);
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}
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}
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return (0);
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}
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int
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main(int argc, char *argv[])
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{
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t_main(t_prepare, NULL, argc, argv);
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}
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