xref: /freebsd/crypto/heimdal/lib/wind/errorlist.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1*ae771770SStanislav Sedov /*
2*ae771770SStanislav Sedov  * Copyright (c) 2004 Kungliga Tekniska Högskolan
3*ae771770SStanislav Sedov  * (Royal Institute of Technology, Stockholm, Sweden).
4*ae771770SStanislav Sedov  * All rights reserved.
5*ae771770SStanislav Sedov  *
6*ae771770SStanislav Sedov  * Redistribution and use in source and binary forms, with or without
7*ae771770SStanislav Sedov  * modification, are permitted provided that the following conditions
8*ae771770SStanislav Sedov  * are met:
9*ae771770SStanislav Sedov  *
10*ae771770SStanislav Sedov  * 1. Redistributions of source code must retain the above copyright
11*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer.
12*ae771770SStanislav Sedov  *
13*ae771770SStanislav Sedov  * 2. Redistributions in binary form must reproduce the above copyright
14*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer in the
15*ae771770SStanislav Sedov  *    documentation and/or other materials provided with the distribution.
16*ae771770SStanislav Sedov  *
17*ae771770SStanislav Sedov  * 3. Neither the name of the Institute nor the names of its contributors
18*ae771770SStanislav Sedov  *    may be used to endorse or promote products derived from this software
19*ae771770SStanislav Sedov  *    without specific prior written permission.
20*ae771770SStanislav Sedov  *
21*ae771770SStanislav Sedov  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22*ae771770SStanislav Sedov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23*ae771770SStanislav Sedov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24*ae771770SStanislav Sedov  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25*ae771770SStanislav Sedov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26*ae771770SStanislav Sedov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27*ae771770SStanislav Sedov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28*ae771770SStanislav Sedov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29*ae771770SStanislav Sedov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30*ae771770SStanislav Sedov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31*ae771770SStanislav Sedov  * SUCH DAMAGE.
32*ae771770SStanislav Sedov  */
33*ae771770SStanislav Sedov 
34*ae771770SStanislav Sedov #include "windlocl.h"
35*ae771770SStanislav Sedov 
36*ae771770SStanislav Sedov #include <stdlib.h>
37*ae771770SStanislav Sedov 
38*ae771770SStanislav Sedov #include "errorlist_table.h"
39*ae771770SStanislav Sedov 
40*ae771770SStanislav Sedov static int
error_entry_cmp(const void * a,const void * b)41*ae771770SStanislav Sedov error_entry_cmp(const void *a, const void *b)
42*ae771770SStanislav Sedov {
43*ae771770SStanislav Sedov     const struct error_entry *ea = (const struct error_entry*)a;
44*ae771770SStanislav Sedov     const struct error_entry *eb = (const struct error_entry*)b;
45*ae771770SStanislav Sedov 
46*ae771770SStanislav Sedov     if (ea->start >= eb->start && ea->start < eb->start + eb->len)
47*ae771770SStanislav Sedov 	return 0;
48*ae771770SStanislav Sedov     return ea->start - eb->start;
49*ae771770SStanislav Sedov }
50*ae771770SStanislav Sedov 
51*ae771770SStanislav Sedov int
_wind_stringprep_error(const uint32_t cp,wind_profile_flags flags)52*ae771770SStanislav Sedov _wind_stringprep_error(const uint32_t cp, wind_profile_flags flags)
53*ae771770SStanislav Sedov {
54*ae771770SStanislav Sedov     struct error_entry ee = {cp};
55*ae771770SStanislav Sedov     const struct error_entry *s;
56*ae771770SStanislav Sedov 
57*ae771770SStanislav Sedov     s = (const struct error_entry *)
58*ae771770SStanislav Sedov 	bsearch(&ee, _wind_errorlist_table,
59*ae771770SStanislav Sedov 		_wind_errorlist_table_size,
60*ae771770SStanislav Sedov 		sizeof(_wind_errorlist_table[0]),
61*ae771770SStanislav Sedov 		error_entry_cmp);
62*ae771770SStanislav Sedov     if (s == NULL)
63*ae771770SStanislav Sedov 	return 0;
64*ae771770SStanislav Sedov     return (s->flags & flags);
65*ae771770SStanislav Sedov }
66*ae771770SStanislav Sedov 
67*ae771770SStanislav Sedov int
_wind_stringprep_prohibited(const uint32_t * in,size_t in_len,wind_profile_flags flags)68*ae771770SStanislav Sedov _wind_stringprep_prohibited(const uint32_t *in, size_t in_len,
69*ae771770SStanislav Sedov 			    wind_profile_flags flags)
70*ae771770SStanislav Sedov {
71*ae771770SStanislav Sedov     unsigned i;
72*ae771770SStanislav Sedov 
73*ae771770SStanislav Sedov     for (i = 0; i < in_len; ++i)
74*ae771770SStanislav Sedov 	if (_wind_stringprep_error(in[i], flags))
75*ae771770SStanislav Sedov 	    return 1;
76*ae771770SStanislav Sedov     return 0;
77*ae771770SStanislav Sedov }
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