00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
/* $NetBSD: util.c,v 1.4 2014/12/10 04:37:55 christos Exp $ */
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#ifndef lint
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static char *rcsid = "Id: util.c,v 1.1 2003/06/04 00:26:45 marka Exp ";
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#endif
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/*
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* Copyright (c) 2000,2002 Japan Network Information Center.
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* All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set forth bellow.
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*
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* LICENSE TERMS AND CONDITIONS
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*
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* The following License Terms and Conditions apply, unless a different
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* license is obtained from Japan Network Information Center ("JPNIC"),
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* a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
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* Chiyoda-ku, Tokyo 101-0047, Japan.
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*
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* 1. Use, Modification and Redistribution (including distribution of any
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* modified or derived work) in source and/or binary forms is permitted
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* under this License Terms and Conditions.
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*
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* 2. Redistribution of source code must retain the copyright notices as they
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* appear in each source code file, this License Terms and Conditions.
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*
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* 3. Redistribution in binary form must reproduce the Copyright Notice,
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* this License Terms and Conditions, in the documentation and/or other
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* materials provided with the distribution. For the purposes of binary
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* distribution the "Copyright Notice" refers to the following language:
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* "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
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*
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* 4. The name of JPNIC may not be used to endorse or promote products
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* derived from this Software without specific prior written approval of
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* JPNIC.
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*
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* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <config.h>
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#ifdef WIN32
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#include <windows.h>
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#undef ERROR
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#endif
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#include <stddef.h>
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#include <idn/assert.h>
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#include <idn/result.h>
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#include <idn/logmacro.h>
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#include <idn/util.h>
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#include <idn/ucs4.h>
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#ifdef WIN32
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#define IDNKEY_IDNKIT "Software\\JPNIC\\IDN"
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#endif
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/*
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* ASCII ctype macros.
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* Note that these macros evaluate the argument multiple times. Be careful.
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*/
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#define ASCII_ISDIGIT(c) \
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('0' <= (c) && (c) <= '9')
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#define ASCII_ISUPPER(c) \
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('A' <= (c) && (c) <= 'Z')
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#define ASCII_ISLOWER(c) \
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('a' <= (c) && (c) <= 'z')
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#define ASCII_ISALPHA(c) \
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(ASCII_ISUPPER(c) || ASCII_ISLOWER(c))
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#define ASCII_ISALNUM(c) \
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(ASCII_ISDIGIT(c) || ASCII_ISUPPER(c) || ASCII_ISLOWER(c))
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#define ASCII_TOUPPER(c) \
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(('a' <= (c) && (c) <= 'z') ? ((c) - 'a' + 'A') : (c))
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#define ASCII_TOLOWER(c) \
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(('A' <= (c) && (c) <= 'Z') ? ((c) - 'A' + 'a') : (c))
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int
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idn__util_asciihaveaceprefix(const char *str, const char *prefix) {
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assert(str != NULL && prefix != NULL);
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while (*prefix != '\0') {
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if (ASCII_TOLOWER(*str) != ASCII_TOLOWER(*prefix))
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return 0;
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str++;
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prefix++;
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}
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return (1);
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}
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int
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idn__util_ucs4haveaceprefix(const unsigned long *str, const char *prefix) {
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assert(str != NULL && prefix != NULL);
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while (*prefix != '\0') {
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if (ASCII_TOLOWER(*str) != ASCII_TOLOWER(*prefix))
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return 0;
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str++;
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prefix++;
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}
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return (1);
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}
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int
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idn__util_ucs4isasciirange(const unsigned long *str) {
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while (*str != '\0') {
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if (*str > 0x7f)
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return (0);
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str++;
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}
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return (1);
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}
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#ifdef WIN32
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int
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idn__util_getregistrystring(idn__util_hkey_t topkey, const char *name,
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char *str, size_t length)
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{
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HKEY top;
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LONG stat;
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HKEY hk;
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DWORD len, type;
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assert((topkey == idn__util_hkey_currentuser ||
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topkey == idn__util_hkey_localmachine) &&
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name != NULL && str != NULL);
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if (topkey == idn__util_hkey_currentuser) {
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top= HKEY_CURRENT_USER;
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} else { /* idn__util_hkey_localmachine */
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top = HKEY_LOCAL_MACHINE;
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}
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stat = RegOpenKeyEx(top, IDNKEY_IDNKIT, 0, KEY_READ, &hk);
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if (stat != ERROR_SUCCESS) {
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return (0);
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}
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len = (DWORD)length;
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stat = RegQueryValueEx(hk, (LPCTSTR)name, NULL,
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&type, (LPBYTE)str, &len);
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RegCloseKey(hk);
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if (stat != ERROR_SUCCESS || type != REG_SZ) {
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return (0);
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}
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return (1);
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}
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#endif /* WIN32 */
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