1 /* 2 * Copyright (c) 2004 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "windlocl.h" 35 36 #include <stdlib.h> 37 38 #include "errorlist_table.h" 39 40 static int 41 error_entry_cmp(const void *a, const void *b) 42 { 43 const struct error_entry *ea = (const struct error_entry*)a; 44 const struct error_entry *eb = (const struct error_entry*)b; 45 46 if (ea->start >= eb->start && ea->start < eb->start + eb->len) 47 return 0; 48 return ea->start - eb->start; 49 } 50 51 int 52 _wind_stringprep_error(const uint32_t cp, wind_profile_flags flags) 53 { 54 struct error_entry ee = {cp}; 55 const struct error_entry *s; 56 57 s = (const struct error_entry *) 58 bsearch(&ee, _wind_errorlist_table, 59 _wind_errorlist_table_size, 60 sizeof(_wind_errorlist_table[0]), 61 error_entry_cmp); 62 if (s == NULL) 63 return 0; 64 return (s->flags & flags); 65 } 66 67 int 68 _wind_stringprep_prohibited(const uint32_t *in, size_t in_len, 69 wind_profile_flags flags) 70 { 71 unsigned i; 72 73 for (i = 0; i < in_len; ++i) 74 if (_wind_stringprep_error(in[i], flags)) 75 return 1; 76 return 0; 77 } 78