/* tst_stringprep.c --- Self tests for stringprep().
* Copyright (C) 2002-2021 Simon Josefsson
*
* This file is part of GNU Libidn.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include
#include
#include
#include
#include
#include "utils.h"
struct stringprep
{
const char *comment;
const char *in;
const char *out;
const char *profile;
int flags;
int rc;
};
const struct stringprep strprep[] = {
{"Map to nothing",
"foo\xC2\xAD\xCD\x8F\xE1\xA0\x86\xE1\xA0\x8B"
"bar" "\xE2\x80\x8B\xE2\x81\xA0" "baz\xEF\xB8\x80\xEF\xB8\x88"
"\xEF\xB8\x8F\xEF\xBB\xBF", "foobarbaz"},
{"Case folding ASCII U+0043 U+0041 U+0046 U+0045", "CAFE", "cafe"},
{"Case folding 8bit U+00DF (german sharp s)", "\xC3\x9F", "ss"},
{"Case folding U+0130 (turkish capital I with dot)",
"\xC4\xB0", "i\xcc\x87"},
{"Case folding multibyte U+0143 U+037A",
"\xC5\x83\xCD\xBA", "\xC5\x84 \xCE\xB9"},
{"Case folding U+2121 U+33C6 U+1D7BB",
"\xE2\x84\xA1\xE3\x8F\x86\xF0\x9D\x9E\xBB",
"telc\xE2\x88\x95" "kg\xCF\x83"},
{"Normalization of U+006a U+030c U+00A0 U+00AA",
"\x6A\xCC\x8C\xC2\xA0\xC2\xAA", "\xC7\xB0 a"},
{"Case folding U+1FB7 and normalization",
"\xE1\xBE\xB7", "\xE1\xBE\xB6\xCE\xB9"},
{"Self-reverting case folding U+01F0 and normalization",
"\xC7\xB0", "\xC7\xB0"},
{"Self-reverting case folding U+0390 and normalization",
"\xCE\x90", "\xCE\x90"},
{"Self-reverting case folding U+03B0 and normalization",
"\xCE\xB0", "\xCE\xB0"},
{"Self-reverting case folding U+1E96 and normalization",
"\xE1\xBA\x96", "\xE1\xBA\x96"},
{"Self-reverting case folding U+1F56 and normalization",
"\xE1\xBD\x96", "\xE1\xBD\x96"},
{"ASCII space character U+0020", "\x20", "\x20"},
{"Non-ASCII 8bit space character U+00A0", "\xC2\xA0", "\x20"},
{"Non-ASCII multibyte space character U+1680",
"\xE1\x9A\x80", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Non-ASCII multibyte space character U+2000", "\xE2\x80\x80", "\x20"},
{"Zero Width Space U+200b", "\xE2\x80\x8b", ""},
{"Non-ASCII multibyte space character U+3000", "\xE3\x80\x80", "\x20"},
{"ASCII control characters U+0010 U+007F", "\x10\x7F", "\x10\x7F"},
{"Non-ASCII 8bit control character U+0085",
"\xC2\x85", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Non-ASCII multibyte control character U+180E",
"\xE1\xA0\x8E", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Zero Width No-Break Space U+FEFF", "\xEF\xBB\xBF", ""},
{"Non-ASCII control character U+1D175",
"\xF0\x9D\x85\xB5", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Plane 0 private use character U+F123",
"\xEF\x84\xA3", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Plane 15 private use character U+F1234",
"\xF3\xB1\x88\xB4", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Plane 16 private use character U+10F234",
"\xF4\x8F\x88\xB4", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Non-character code point U+8FFFE",
"\xF2\x8F\xBF\xBE", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Non-character code point U+10FFFF",
"\xF4\x8F\xBF\xBF", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Surrogate code U+DF42",
"\xED\xBD\x82", NULL, "Nameprep", 0, STRINGPREP_ICONV_ERROR
/* was STRINGPREP_CONTAINS_PROHIBITED */ },
{"Non-plain text character U+FFFD",
"\xEF\xBF\xBD", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Ideographic description character U+2FF5",
"\xE2\xBF\xB5", NULL, "Nameprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Display property character U+0341", "\xCD\x81", "\xCC\x81"},
{"Left-to-right mark U+200E",
"\xE2\x80\x8E", "\xCC\x81", "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Deprecated U+202A", "\xE2\x80\xAA", "\xCC\x81", "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Language tagging character U+E0001",
"\xF3\xA0\x80\x81", "\xCC\x81", "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Language tagging character U+E0042",
"\xF3\xA0\x81\x82", NULL, "Nameprep", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"Bidi: RandALCat character U+05BE and LCat characters",
"foo\xD6\xBE" "bar", NULL, "Nameprep", 0,
STRINGPREP_BIDI_BOTH_L_AND_RAL},
{"Bidi: RandALCat character U+FD50 and LCat characters",
"foo\xEF\xB5\x90" "bar", NULL, "Nameprep", 0,
STRINGPREP_BIDI_BOTH_L_AND_RAL},
{"Bidi: RandALCat character U+FB38 and LCat characters",
"foo\xEF\xB9\xB6" "bar", "foo \xd9\x8e" "bar"},
{"Bidi: RandALCat without trailing RandALCat U+0627 U+0031",
"\xD8\xA7\x31", NULL, "Nameprep", 0, STRINGPREP_BIDI_LEADTRAIL_NOT_RAL},
{"Bidi: RandALCat character U+0627 U+0031 U+0628",
"\xD8\xA7\x31\xD8\xA8", "\xD8\xA7\x31\xD8\xA8"},
{"Unassigned code point U+E0002",
"\xF3\xA0\x80\x82", NULL, "Nameprep", STRINGPREP_NO_UNASSIGNED,
STRINGPREP_CONTAINS_UNASSIGNED},
{"Larger test (shrinking)",
"X\xC2\xAD\xC3\x9F\xC4\xB0\xE2\x84\xA1\x6a\xcc\x8c\xc2\xa0\xc2"
"\xaa\xce\xb0\xe2\x80\x80", "xssi\xcc\x87" "tel\xc7\xb0 a\xce\xb0 ",
"Nameprep"},
{"Larger test (expanding)",
"X\xC3\x9F\xe3\x8c\x96\xC4\xB0\xE2\x84\xA1\xE2\x92\x9F\xE3\x8c\x80",
"xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3\x83\x88"
"\xe3\x83\xab" "i\xcc\x87" "tel\x28" "d\x29\xe3\x82\xa2\xe3\x83\x91"
"\xe3\x83\xbc\xe3\x83\x88"},
{"Test of prohibited ASCII character U+0020",
"\x20", NULL, "Nodeprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Test of NFKC U+00A0 and prohibited character U+0020",
"\xC2\xA0", NULL, "Nodeprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"Case map + normalization", "\xC2\xB5", "\xCE\xBC", "Nameprep"},
/* The rest are rather non-interesting, but no point in removing
working test cases... */
{"case_nonfkc", "\xC2\xB5", "\xCE\xBC", "Nameprep", STRINGPREP_NO_NFKC,
STRINGPREP_FLAG_ERROR},
{"NFKC test", "\xC2\xAA", "\x61", "Nameprep"},
{"nameprep, exposed a bug in libstringprep 0.0.5",
"\xC2\xAA\x0A", "\x61\x0A"},
{"unassigned code point U+0221", "\xC8\xA1", "\xC8\xA1", "Nameprep"},
{"Unassigned code point U+0221",
"\xC8\xA1", NULL, "Nameprep", STRINGPREP_NO_UNASSIGNED,
STRINGPREP_CONTAINS_UNASSIGNED},
{"Unassigned code point U+0236", "\xC8\xB6", "\xC8\xB6", "Nameprep"},
{"unassigned code point U+0236",
"\xC8\xB6", NULL, "Nameprep", STRINGPREP_NO_UNASSIGNED,
STRINGPREP_CONTAINS_UNASSIGNED},
{"bidi both RandALCat and LCat U+0627 U+00AA U+0628",
"\xD8\xA7\xC2\xAA\xD8\xA8", NULL, "Nameprep", 0,
STRINGPREP_BIDI_BOTH_L_AND_RAL},
/* XMPP */
{"XMPP node profile prohibited output",
"foo@bar", NULL, "Nodeprep", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"XMPP resource profile on same string should work though",
"foo@bar", "foo@bar", "Resourceprep"},
/* iSCSI */
{"iSCSI 1", "Example-Name", "example-name", "iSCSI"},
{"iSCSI 2", "O+o", NULL, "iSCSI", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"iSCSI 3", "\x01", NULL, "iSCSI", 0, STRINGPREP_CONTAINS_PROHIBITED},
{"iSCSI 4", "\xE3\x80\x82", NULL, "iSCSI", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"iSCSI 5", "\xE2\xBF\xB5", NULL, "iSCSI", 0,
STRINGPREP_CONTAINS_PROHIBITED},
{"SASL profile", "Example\xC2\xA0" "Name", "Example Name", "SASLprep"},
/* SASL trace */
{"SASL ANONYMOUS plain mechanism", "simon@josefsson.org",
"simon@josefsson.org", "plain"},
{"SASLprep 1 old", "x\xC2\xADy", "xy", "SASLprep"},
{"SASLprep 4 old", "\xE2\x85\xA3", "IV", "SASLprep"},
/* SASLprep test vectors. */
{"SASLprep 1 SOFT HYPHEN mapped to nothing", "I\xC2\xADX", "IX",
"SASLprep"},
{"SASLprep 2 no transformation", "user", "user", "SASLprep"},
{"SASLprep 3 case preserved, will not match #2", "USER", "USER",
"SASLprep"},
{"SASLprep 4 output is NFKC, input in ISO 8859-1", "\xC2\xAA", "a",
"SASLprep"},
{"SASLprep 5 output is NFKC, will match #1", "\xE2\x85\xA8", "IX",
"SASLprep"},
{"SASLprep 6 Error - prohibited character", "\x07", NULL, "SASLprep",
0, STRINGPREP_CONTAINS_PROHIBITED},
{"SASLprep 7 Error - bidirectional check", "\xD8\xA7" "1", NULL, "SASLprep",
0, STRINGPREP_BIDI_LEADTRAIL_NOT_RAL}
};
void
doit (void)
{
char *p;
int rc;
unsigned i;
if (!stringprep_check_version (STRINGPREP_VERSION))
fail ("stringprep_check_version failed (header %s runtime %s)\n",
STRINGPREP_VERSION, stringprep_check_version (NULL));
if (!stringprep_check_version (NULL))
fail ("stringprep_check_version(NULL) failed\n");
if (strcmp (stringprep_check_version (NULL), STRINGPREP_VERSION) != 0)
fail ("stringprep_check_version failure (header %s runtime %s)\n",
STRINGPREP_VERSION, stringprep_check_version (NULL));
if (stringprep_check_version ("100.100"))
fail ("stringprep_check_version(\"100.100\") failed\n");
for (i = 0; i < sizeof (strprep) / sizeof (strprep[0]); i++)
{
if (debug)
printf ("STRINGPREP entry %u\n", i);
if (debug)
{
printf ("flags: %d\n", strprep[i].flags);
printf ("in: ");
escapeprint (strprep[i].in, strlen (strprep[i].in));
hexprint (strprep[i].in, strlen (strprep[i].in));
binprint (strprep[i].in, strlen (strprep[i].in));
}
{
uint32_t *l;
char *x = NULL;
l = stringprep_utf8_to_ucs4 (strprep[i].in, -1, NULL);
if (l)
x = stringprep_ucs4_to_utf8 (l, -1, NULL, NULL);
free (l);
if (i == 29)
/* Ignoring known bad UTF-8 in entry 29 */
continue;
else if (l == NULL)
{
fail ("bad UTF-8 in entry %u\n", i);
continue;
}
else if (strcmp (strprep[i].in, x) != 0)
{
fail ("bad UTF-8 in entry %u\n", i);
if (debug)
{
puts ("expected:");
escapeprint (strprep[i].in, strlen (strprep[i].in));
hexprint (strprep[i].in, strlen (strprep[i].in));
puts ("computed:");
escapeprint (x, strlen (x));
hexprint (x, strlen (x));
}
continue;
}
free (x);
}
rc = stringprep_profile (strprep[i].in, &p,
strprep[i].profile ?
strprep[i].profile :
"Nameprep", strprep[i].flags);
if (rc != strprep[i].rc)
{
fail ("stringprep() entry %u failed: %d\n", i, rc);
if (debug)
printf ("FATAL\n");
if (rc == STRINGPREP_OK)
free (p);
continue;
}
if (debug && rc == STRINGPREP_OK)
{
printf ("out: ");
escapeprint (p, strlen (p));
hexprint (p, strlen (p));
binprint (p, strlen (p));
printf ("expected out: ");
escapeprint (strprep[i].out, strlen (strprep[i].out));
hexprint (strprep[i].out, strlen (strprep[i].out));
binprint (strprep[i].out, strlen (strprep[i].out));
}
else if (debug)
printf ("returned %d expected %d\n", rc, strprep[i].rc);
if (rc == STRINGPREP_OK)
{
if (strlen (strprep[i].out) != strlen (p) ||
memcmp (strprep[i].out, p, strlen (p)) != 0)
{
fail ("stringprep() entry %ld failed\n", (long) i);
if (debug)
printf ("ERROR\n");
}
else if (debug)
printf ("OK\n\n");
free (p);
}
else if (debug)
printf ("OK\n\n");
}
#if 0
{
char p[20];
memset (p, 0, 10);
stringprep_unichar_to_utf8 (0x00DF, p);
hexprint (p, strlen (p));
puts ("");
}
#endif
}