mirror of
git://git.gnupg.org/gnupg.git
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464 lines
12 KiB
C
464 lines
12 KiB
C
/* t-convert.c - Module test for convert.c
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* Copyright (C) 2006, 2008 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "util.h"
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#define pass() do { ; } while(0)
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#define fail(a) do { fprintf (stderr, "%s:%d: test %d failed\n",\
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__FILE__,__LINE__, (a)); \
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/*exit (1)*/; \
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} while(0)
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static void
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test_hex2bin (void)
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{
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static const char *valid[] = {
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"00112233445566778899aabbccddeeff11223344",
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"00112233445566778899AABBCCDDEEFF11223344",
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"00112233445566778899AABBCCDDEEFF11223344 blah",
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"00112233445566778899AABBCCDDEEFF11223344\tblah",
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"00112233445566778899AABBCCDDEEFF11223344\nblah",
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NULL
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};
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static const char *invalid[] = {
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"00112233445566778899aabbccddeeff1122334",
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"00112233445566778899AABBCCDDEEFF1122334",
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"00112233445566778899AABBCCDDEEFG11223344",
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"00 112233445566778899aabbccddeeff11223344",
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"00:112233445566778899aabbccddeeff11223344",
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":00112233445566778899aabbccddeeff11223344",
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"0:0112233445566778899aabbccddeeff11223344",
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"00112233445566778899aabbccddeeff11223344:",
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"00112233445566778899aabbccddeeff112233445",
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"00112233445566778899aabbccddeeff1122334455",
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"00112233445566778899aabbccddeeff11223344blah",
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NULL
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};
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static const char *valid2[] = {
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"00",
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"00 x",
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NULL
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};
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static const char *invalid2[] = {
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"",
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"0",
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"00:",
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"00x",
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" 00",
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NULL
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};
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unsigned char buffer[20];
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int len;
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int i;
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for (i=0; valid[i]; i++)
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{
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len = hex2bin (valid[i], buffer, sizeof buffer);
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if (len < 0)
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fail (i);
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if (memcmp (buffer, ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
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"\xbb\xcc\xdd\xee\xff\x11\x22\x33\x44"), 20))
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fail (i);
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}
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if (hex2bin (valid[0], buffer, sizeof buffer) != 40)
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fail (0);
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if (hex2bin (valid[2], buffer, sizeof buffer) != 41)
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fail (0);
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for (i=0; invalid[i]; i++)
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{
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len = hex2bin (invalid[i], buffer, sizeof buffer);
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if (!(len < 0))
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fail (i);
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}
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for (i=0; valid2[i]; i++)
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{
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len = hex2bin (valid2[i], buffer, 1);
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if (len < 0)
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fail (i);
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if (memcmp (buffer, "\x00", 1))
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fail (i);
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}
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if (hex2bin (valid2[0], buffer, 1) != 2)
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fail (0);
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if (hex2bin (valid2[1], buffer, 1) != 3)
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fail (0);
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for (i=0; invalid2[i]; i++)
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{
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len = hex2bin (invalid2[i], buffer, 1);
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if (!(len < 0))
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fail (i);
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}
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}
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static void
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test_hexcolon2bin (void)
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{
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static const char *valid[] = {
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"00112233445566778899aabbccddeeff11223344",
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"00112233445566778899AABBCCDDEEFF11223344",
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"00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"00112233445566778899AABBCCDDEEFF11223344 blah",
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"00112233445566778899AABBCCDDEEFF11223344\tblah",
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"00112233445566778899AABBCCDDEEFF11223344\nblah",
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NULL
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};
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static const char *invalid[] = {
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"00112233445566778899aabbccddeeff1122334",
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"00112233445566778899AABBCCDDEEFF1122334",
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"00112233445566778899AABBCCDDEEFG11223344",
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":00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44:",
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"00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:3344",
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"00:1122:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"0011:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"00 11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"00:11 22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
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"00112233445566778899aabbccddeeff112233445",
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"00112233445566778899aabbccddeeff1122334455",
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"00112233445566778899aabbccddeeff11223344blah",
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NULL
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};
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static const char *valid2[] = {
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"00",
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"00 x",
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NULL
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};
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static const char *invalid2[] = {
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"",
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"0",
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"00:",
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":00",
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"0:0",
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"00x",
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" 00",
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NULL
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};
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unsigned char buffer[20];
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int len;
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int i;
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for (i=0; valid[i]; i++)
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{
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len = hexcolon2bin (valid[i], buffer, sizeof buffer);
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if (len < 0)
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fail (i);
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if (memcmp (buffer, ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
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"\xbb\xcc\xdd\xee\xff\x11\x22\x33\x44"), 20))
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fail (i);
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}
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if (hexcolon2bin (valid[0], buffer, sizeof buffer) != 40)
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fail (0);
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if (hexcolon2bin (valid[3], buffer, sizeof buffer) != 41)
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fail (0);
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for (i=0; invalid[i]; i++)
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{
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len = hexcolon2bin (invalid[i], buffer, sizeof buffer);
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if (!(len < 0))
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fail (i);
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}
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for (i=0; valid2[i]; i++)
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{
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len = hexcolon2bin (valid2[i], buffer, 1);
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if (len < 0)
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fail (i);
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if (memcmp (buffer, "\x00", 1))
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fail (i);
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}
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if (hexcolon2bin (valid2[0], buffer, 1) != 2)
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fail (0);
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if (hexcolon2bin (valid2[1], buffer, 1) != 3)
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fail (0);
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for (i=0; invalid2[i]; i++)
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{
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len = hexcolon2bin (invalid2[i], buffer, 1);
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if (!(len < 0))
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fail (i);
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}
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}
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static void
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test_bin2hex (void)
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{
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char stuff[20+1] = ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
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"\xbb\xcc\xdd\xee\xff\x01\x10\x02\xa3");
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char hexstuff[] = "00112233445566778899AABBCCDDEEFF011002A3";
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char buffer[2*20+1];
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char *p;
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p = bin2hex (stuff, 20, buffer);
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if (!p)
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fail (0);
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if (p != buffer)
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fail (0);
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if (strcmp (buffer, hexstuff))
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fail (0);
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p = bin2hex (stuff, 20, NULL);
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if (!p)
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fail (0);
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else if (strcmp (p, hexstuff))
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fail (0);
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xfree (p);
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p = bin2hex (stuff, (size_t)(-1), NULL);
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if (p)
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fail (0);
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else if (errno != ENOMEM)
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fail (1);
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}
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static void
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test_bin2hexcolon (void)
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{
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char stuff[20+1] = ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
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"\xbb\xcc\xdd\xee\xff\x01\x10\x02\xa3");
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char hexstuff[] = ("00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF"
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":01:10:02:A3");
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char buffer[3*20+1];
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char *p;
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p = bin2hexcolon (stuff, 20, buffer);
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if (!p)
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fail (0);
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if (p != buffer)
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fail (0);
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if (strcmp (buffer, hexstuff))
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fail (0);
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p = bin2hexcolon (stuff, 20, NULL);
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if (!p)
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fail (0);
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else if (strcmp (p, hexstuff))
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fail (0);
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xfree (p);
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p = bin2hexcolon (stuff, (size_t)(-1), NULL);
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if (p)
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fail (0);
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else if (errno != ENOMEM)
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fail (1);
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}
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static void
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test_hex2str (void)
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{
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static struct {
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const char *hex;
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const char *str;
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int len; /* Length of STR. This may included embedded nuls. */
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int off;
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int no_alloc_test;
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} tests[] = {
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/* Simple tests. */
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{ "112233445566778899aabbccddeeff1122",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
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17, 34 },
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{ "112233445566778899aabbccddeeff1122 blah",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
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17, 34 },
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{ "112233445566778899aabbccddeeff1122\tblah",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
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17, 34 },
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{ "112233445566778899aabbccddeeff1122\nblah",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
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17, 34 },
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/* Valid tests yielding an empty string. */
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{ "00",
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"",
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1, 2 },
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{ "00 x",
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"",
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1, 2 },
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{ "",
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"",
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0, 0 },
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{ " ",
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"",
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0, 0 },
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/* Test trailing Nul feature. */
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{ "112233445566778899aabbccddeeff1100",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x00",
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17, 34 },
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{ "112233445566778899aabbccddeeff1100 ",
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"\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x00",
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17, 34 },
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/* Test buffer size. (buffer is of length 20) */
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{ "6162636465666768696A6b6c6D6e6f70717273",
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"abcdefghijklmnopqrs",
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19, 38 },
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{ "6162636465666768696A6b6c6D6e6f7071727300",
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"abcdefghijklmnopqrs",
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20, 40 },
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{ "6162636465666768696A6b6c6D6e6f7071727374",
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NULL,
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0, 0, 1 },
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{ "6162636465666768696A6b6c6D6e6f707172737400",
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NULL,
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0, 0, 1 },
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{ "6162636465666768696A6b6c6D6e6f707172737475",
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NULL,
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0, 0, 1 },
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/* Invalid tests. */
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{ "112233445566778899aabbccddeeff1122334", NULL, 0, 0 },
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{ "112233445566778899AABBCCDDEEFF1122334", NULL, 0, 0 },
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{ "112233445566778899AABBCCDDEEFG11223344", NULL, 0, 0 },
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{ "0:0112233445566778899aabbccddeeff11223344", NULL, 0, 0 },
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{ "112233445566778899aabbccddeeff11223344:", NULL, 0, 0 },
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{ "112233445566778899aabbccddeeff112233445", NULL, 0, 0 },
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{ "112233445566778899aabbccddeeff1122334455", NULL, 0, 0, 1 },
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{ "112233445566778899aabbccddeeff11223344blah", NULL, 0, 0 },
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{ "0", NULL, 0, 0 },
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{ "00:", NULL, 0, 0 },
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{ "00x", NULL, 0, 0 },
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{ NULL, NULL, 0, 0 }
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};
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int idx;
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char buffer[20];
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const char *tail;
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size_t count;
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char *result;
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for (idx=0; tests[idx].hex; idx++)
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{
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tail = hex2str (tests[idx].hex, buffer, sizeof buffer, &count);
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if (tests[idx].str)
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{
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/* Good case test. */
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if (!tail)
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fail (idx);
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else if (strcmp (tests[idx].str, buffer))
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fail (idx);
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else if (tail - tests[idx].hex != tests[idx].off)
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fail (idx);
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else if (tests[idx].len != count)
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fail (idx);
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}
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else
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{
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/* Bad case test. */
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if (tail)
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fail (idx);
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}
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}
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/* Same tests again using in-place conversion. */
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for (idx=0; tests[idx].hex; idx++)
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{
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char tmpbuf[100];
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assert (strlen (tests[idx].hex)+1 < sizeof tmpbuf);
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strcpy (tmpbuf, tests[idx].hex);
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/* Note: we still need to use 20 as buffer length because our
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tests assume that. */
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tail = hex2str (tmpbuf, tmpbuf, 20, &count);
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if (tests[idx].str)
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{
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/* Good case test. */
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if (!tail)
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fail (idx);
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else if (strcmp (tests[idx].str, tmpbuf))
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fail (idx);
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else if (tail - tmpbuf != tests[idx].off)
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fail (idx);
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else if (tests[idx].len != count)
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fail (idx);
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}
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else
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{
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/* Bad case test. */
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if (tail)
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fail (idx);
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if (strcmp (tmpbuf, tests[idx].hex))
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fail (idx); /* Buffer was modified. */
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}
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}
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/* Test the allocation variant. */
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for (idx=0; tests[idx].hex; idx++)
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{
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if (tests[idx].no_alloc_test)
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continue;
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result = hex2str_alloc (tests[idx].hex, &count);
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if (tests[idx].str)
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{
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/* Good case test. */
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if (!result)
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fail (idx);
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else if (strcmp (tests[idx].str, result))
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fail (idx);
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else if (count != tests[idx].off)
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fail (idx);
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}
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else
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{
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/* Bad case test. */
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if (result)
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fail (idx);
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}
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xfree (result);
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}
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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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(void)argc;
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(void)argv;
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test_hex2bin ();
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test_hexcolon2bin ();
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test_bin2hex ();
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test_bin2hexcolon ();
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test_hex2str ();
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return 0;
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}
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