IntRange.cc

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/*
 * Copyright (C) 1996-2025 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
/* DEBUG: section 28    Access Control */
 
#include "squid.h"
#include "acl/IntRange.h"
#include "cache_cf.h"
#include "ConfigParser.h"
#include "debug/Stream.h"
#include "fatal.h"
#include "Parsing.h"
 
void
ACLIntRange::parse()
{
    while (char *a = ConfigParser::strtokFile()) {
        char *b = strchr(a, '-');
        unsigned short port1, port2;
 
        if (b) {
            *b = '\0';
            ++b;
        }
 
        port1 = xatos(a);
 
        if (b)
            port2 = xatos(b);
        else
            port2 = port1;
 
        if (port2 >= port1) {
            RangeType temp(port1, port2+1);
            ranges.push_back(temp);
        } else {
            debugs(28, DBG_CRITICAL, "ERROR: ACLIntRange::parse: Invalid port value");
            self_destruct();
        }
    }
}
 
bool
ACLIntRange::empty() const
{
    return ranges.empty();
}
 
bool
ACLIntRange::match(int i)
{
    RangeType const toFind(i, i+1);
    for (const auto &element : ranges) {
        RangeType result = element.intersection(toFind);
        if (result.size())
            return true;
    }
 
    return false;
}
 
ACLIntRange::~ACLIntRange()
{}
 
SBufList
ACLIntRange::dump() const
{
    SBufList sl;
    for (const auto &element : ranges) {
        SBuf sb;
 
        if (element.size() == 1)
            sb.Printf("%d", element.start);
        else
            sb.Printf("%d-%d", element.start, element.end-1);
 
        sl.push_back(sb);
    }
 
    return sl;
}