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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include <vector>
#include <time.h>
#include <stdlib.h>
#include "pdns/misc.hh"
#include "pdns/utility.hh"
using std::string;
using std::vector;
inline string ptr2ip4(vector<string>& parts)
{
string ip;
parts.pop_back();
parts.pop_back();
ip = parts.back();
parts.pop_back();
while (!parts.empty()) {
ip += "." + parts.back();
parts.pop_back();
}
return ip;
}
inline string ptr2ip6(vector<string>& parts)
{
int i = 0;
string ip;
parts.pop_back();
parts.pop_back();
while (i < 3 && parts.size() > 1 && parts.back() == "0") {
parts.pop_back();
i++;
}
while (i++ < 4 && !parts.empty()) {
ip += parts.back();
parts.pop_back();
}
while (!parts.empty()) {
i = 0;
ip += ":";
while (i < 3 && parts.size() > 1 && parts.back() == "0") {
parts.pop_back();
i++;
}
while (i++ < 4 && !parts.empty()) {
ip += parts.back();
parts.pop_back();
}
}
return ip;
}
inline string ip2ptr4(const string& ip)
{
string ptr;
vector<string> parts;
stringtok(parts, ip, ".");
while (!parts.empty()) {
ptr += parts.back() + ".";
parts.pop_back();
}
return ptr + "in-addr.arpa";
}
inline string ip2ptr6(const string& ip)
{
string ptr, part, defstr;
vector<string> parts;
stringtok(parts, ip, ":");
while (!parts.empty()) {
defstr = "0.0.0.0.";
part = parts.back();
while (part.length() < 4) {
part = "0" + part;
}
defstr[0] = part[3];
defstr[2] = part[2];
defstr[4] = part[1];
defstr[6] = part[0];
ptr += defstr;
parts.pop_back();
}
return ptr + "ip6.arpa";
}
inline string strbind(const string& search, const string& replace, string subject)
{
size_t pos = 0;
while ((pos = subject.find(search, pos)) != string::npos) {
subject.replace(pos, search.size(), replace);
pos += replace.size();
}
return subject;
}
/*
* Convert a LDAP time string to a time_t. Return 0 if unable to convert
*/
inline time_t str2tstamp(const string& str)
{
char* tmp;
struct tm tm;
tmp = strptime(str.c_str(), "%Y%m%d%H%M%SZ", &tm);
if (tmp != NULL && *tmp == 0) {
return Utility::timegm(&tm);
}
return 0;
}
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