393 lines
8.8 KiB
C++
393 lines
8.8 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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// Copyright (C) 1999-2000 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// FidoNet Technology Network - 4D address class.
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// ------------------------------------------------------------------
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#include <cstdio>
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#include <gftnall.h>
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#include <gutlmisc.h>
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#include <gstrall.h>
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// ------------------------------------------------------------------
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void ftn_addr::set(uint zn, uint nt, uint nd, uint pt) {
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zone = (word)zn;
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net = (word)nt;
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node = (word)nd;
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point = (word)pt;
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}
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// ------------------------------------------------------------------
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void ftn_addr::set(const ftn_addr& a) {
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zone = a.zone;
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net = a.net;
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node = a.node;
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point = a.point;
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}
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// ------------------------------------------------------------------
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void ftn_addr::set(const void* a) {
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zone = ((ftn_addr*)a)->zone;
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net = ((ftn_addr*)a)->net;
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node = ((ftn_addr*)a)->node;
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point = ((ftn_addr*)a)->point;
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}
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// ------------------------------------------------------------------
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void ftn_addr::set_all(uint part) {
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set_fast(part, part, part, part);
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}
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// ------------------------------------------------------------------
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void ftn_addr::reset() {
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reset_fast();
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}
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// ------------------------------------------------------------------
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char* ftn_addr::reset(const char* str, char* dom, int domsizelimit) {
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reset_fast();
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return set(str, dom, domsizelimit);
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}
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// ------------------------------------------------------------------
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void ftn_addr::reset(const std::string& str) {
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reset(str.c_str());
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}
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// ------------------------------------------------------------------
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void ftn_addr::reset(const std::string& str, std::string& dom, int domsizelimit) {
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ftn_domain doms;
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reset(str.c_str(), doms, domsizelimit);
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dom = doms;
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}
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// ------------------------------------------------------------------
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static bool ftn_getaddrpart(word& part, const char* s) {
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if(*s == '*') {
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part = ftn::wildcard_all;
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return true;
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}
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else if(*s == '?') {
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part = ftn::wildcard_first;
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return true;
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}
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else if(isdigit(*s)) {
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part = atow(s);
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return true;
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}
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return false;
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}
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// ------------------------------------------------------------------
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const char* ftn_addr::set(const std::string& str) {
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return set(str.c_str());
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}
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// ------------------------------------------------------------------
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const char* ftn_addr::set(const std::string& str, std::string& dom, int domsizelimit) {
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ftn_domain doms;
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set(str.c_str(), doms, domsizelimit);
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dom = doms;
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return dom.c_str();
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}
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// ------------------------------------------------------------------
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char* ftn_addr::set(const char* str, char* dom, int domsizelimit) {
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const char* ptr = str;
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const char* domptr;
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bool gotzone = false;
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bool gotnet = false;
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bool gotnode = false;
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bool gotpoint = false;
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bool gotdomain = false;
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static char* nulchar = "";
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if(*str == '*')
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set_all(ftn::wildcard_all);
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while(*ptr and (' ' < *ptr)) {
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switch(*ptr) {
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case '<':
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return nulchar;
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case '{': /*}*/
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while((*ptr != /*{*/ '}') and *ptr)
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ptr++;
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//if(*ptr == /*{*/ '}')
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// ptr++;
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break;
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case '#':
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domptr = str;
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str = ++ptr;
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if(dom) {
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int domsize = (int)(ptr-domptr);
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strxcpy(dom, domptr, minimum_of_two(domsize, domsizelimit));
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gotdomain = true;
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}
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break;
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case ':':
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gotzone = ftn_getaddrpart(zone, str);
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str = ++ptr;
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if(*str)
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gotnet = ftn_getaddrpart(net, str);
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break;
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case '/':
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if(not gotnet)
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gotnet = ftn_getaddrpart(net, str);
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str = ++ptr;
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if(*str)
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gotnode = ftn_getaddrpart(node, str);
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break;
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case '.':
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if((not gotnode) and (*str != '.'))
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gotnode = ftn_getaddrpart(node, str);
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str = ++ptr;
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if(*str)
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ftn_getaddrpart(point, str);
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gotpoint = true;
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break;
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case '@':
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if(not (gotzone or gotnet or gotnode or gotpoint))
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gotnode = ftn_getaddrpart(node, str);
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domptr = str = ptr++;
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//while(isalnum(*ptr))
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while(*ptr > ' ')
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ptr++;
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if(dom) {
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int domsize = (int)(ptr-domptr);
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strxcpy(dom, domptr+1, minimum_of_two(domsize, domsizelimit));
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gotdomain = true;
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}
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break;
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default:
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ptr++;
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}
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}
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if(not (gotzone or gotnet or gotnode or gotpoint))
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gotnode = ftn_getaddrpart(node, str);
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if(gotzone and not gotnet)
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net = 0;
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if(gotzone and not gotnode) {
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node = (word)((net == ftn::wildcard_all) ? ftn::wildcard_all : 0);
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gotnode = true;
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}
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if(gotnode and not gotpoint)
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point = (word)((node == ftn::wildcard_all) ? ftn::wildcard_all : 0);
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if(dom and gotzone and not gotdomain)
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*dom = NUL;
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return dom ? dom : nulchar;
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}
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// ------------------------------------------------------------------
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bool ftn_addr::match(const ftn_addr& mask) const {
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if(not ((mask.zone == ftn::wildcard_all) or (mask.zone == zone)))
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return false;
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if(not ((mask.net == ftn::wildcard_all) or (mask.net == net)))
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return false;
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if(not ((mask.node == ftn::wildcard_all) or (mask.node == node)))
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return false;
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if(not ((mask.point == ftn::wildcard_all) or (mask.point == point)))
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return false;
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return true;
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}
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// ------------------------------------------------------------------
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int ftn_addr::compare(const ftn_addr& other) const {
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int n = 1;
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int d = compare_two(zone, other.zone);
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if(d == 0) {
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n++;
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d = compare_two(net, other.net);
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if(d == 0) {
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n++;
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d = compare_two(node, other.node);
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if(d == 0) {
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n++;
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d = compare_two(point, other.point);
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}
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}
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}
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return d != 0 ? (d > 0 ? n : -n) : 0;
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}
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// ------------------------------------------------------------------
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std::string& ftn_addr::make_string(std::string& str) const {
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char buf[200];
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make_string(buf);
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str = buf;
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return str;
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}
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// ------------------------------------------------------------------
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std::string& ftn_addr::make_string(std::string& str, const std::string& dom, int domfmt) const {
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char buf[200];
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make_string(buf, dom.c_str(), domfmt);
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str = buf;
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return str;
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}
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// ------------------------------------------------------------------
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char* ftn_addr::make_string(char* str, const char* dom, int domfmt) const {
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if(net == 0) {
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*str = NUL;
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return str;
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}
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char buf[20];
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char* ptr = str;
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*ptr = NUL;
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if(domfmt == ftn::domain_first) {
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if(dom and *dom) {
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ptr = stpcpy(ptr, dom);
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*ptr++ = '#';
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}
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}
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if(zone) {
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if(zone == ftn::wildcard_all)
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ptr = stpcpy(ptr, "*");
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else if(zone == ftn::wildcard_first)
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ptr = stpcpy(ptr, "?");
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else {
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sprintf(buf, "%u", (uint)zone);
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ptr = stpcpy(ptr, buf);
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}
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*ptr++ = ':';
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}
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if(net == ftn::wildcard_all)
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ptr = stpcpy(ptr, "*");
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else if(net == ftn::wildcard_first)
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ptr = stpcpy(ptr, "?");
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else {
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sprintf(buf, "%u", (uint)net);
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ptr = stpcpy(ptr, buf);
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}
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*ptr++ = '/';
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if(node == ftn::wildcard_all)
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ptr = stpcpy(ptr, "*");
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else if(node == ftn::wildcard_first)
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ptr = stpcpy(ptr, "?");
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else {
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sprintf(buf, "%u", (uint)node);
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ptr = stpcpy(ptr, buf);
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}
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if(point) {
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*ptr++ = '.';
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if(point == ftn::wildcard_all)
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ptr = stpcpy(ptr, "*");
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else if(point == ftn::wildcard_first)
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ptr = stpcpy(ptr, "?");
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else {
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sprintf(buf, "%u", (uint)point);
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ptr = stpcpy(ptr, buf);
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}
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}
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if(domfmt == ftn::domain_last) {
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if(dom and *dom) {
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*ptr++ = '@';
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ptr = stpcpy(ptr, dom);
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}
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}
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*ptr = NUL;
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return str;
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}
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// ------------------------------------------------------------------
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