* Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
*/
- /*
- $Revision: 1.22 $
- $Date: 2010/03/04 11:49:53 $
- $Author: faust $
- */
+#pragma once
+
+#include "stg/common.h"
-#ifndef USER_IPS_H
-#define USER_IPS_H
+#include <vector>
+#include <string>
+#include <ostream>
+#include <cstring>
+#include <cstdint>
#ifdef FREE_BSD
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <cstring>
-#include <vector>
-#include <string>
-#include <iostream>
-#include <sstream>
-
-#include "stg/common.h"
-#include "os_int.h"
-
-using namespace std;
+namespace STG
+{
//-------------------------------------------------------------------------
-struct IP_MASK
+struct IPMask
{
-IP_MASK() : ip(0), mask(0) {}
-IP_MASK(const IP_MASK & ipm) : ip(ipm.ip), mask(ipm.mask) {}
-uint32_t ip;
-uint32_t mask;
+ IPMask() noexcept : ip(0), mask(0) {}
+ IPMask(uint32_t i, uint32_t m) noexcept : ip(i), mask(m) {}
+
+ IPMask(const IPMask&) = default;
+ IPMask& operator=(const IPMask&) = default;
+ IPMask(IPMask&&) = default;
+ IPMask& operator=(IPMask&&) = default;
+
+ uint32_t ip;
+ uint32_t mask;
};
//-------------------------------------------------------------------------
-class USER_IPS
+class UserIPs
{
- friend std::ostream & operator<< (ostream & o, const USER_IPS & i);
- //friend stringstream & operator<< (stringstream & s, const USER_IPS & i);
- friend const USER_IPS StrToIPS(const string & ipsStr) throw(string);
-
-public:
- USER_IPS();
- USER_IPS(const USER_IPS &);
- USER_IPS & operator=(const USER_IPS &);
- const IP_MASK & operator[](int idx) const;
- std::string GetIpStr() const;
- bool IsIPInIPS(uint32_t ip) const;
- bool OnlyOneIP() const;
- int Count() const;
- void Add(const IP_MASK &im);
- void Erase();
-
-private:
- uint32_t CalcMask(unsigned int msk) const;
- std::vector<IP_MASK> ips;
+ friend std::ostream & operator<< (std::ostream & o, const UserIPs & i);
+
+ public:
+ using ContainerType = std::vector<IPMask>;
+ using IndexType = ContainerType::size_type;
+
+ UserIPs() = default;
+
+ UserIPs(const UserIPs&) = default;
+ UserIPs& operator=(const UserIPs&) = default;
+ UserIPs(UserIPs&&) = default;
+ UserIPs& operator=(UserIPs&&) = default;
+
+ static UserIPs parse(const std::string& source);
+
+ const IPMask& operator[](IndexType idx) const noexcept { return ips[idx]; }
+ std::string toString() const noexcept;
+ bool find(uint32_t ip) const noexcept;
+ bool onlyOneIP() const noexcept;
+ bool isAnyIP() const noexcept;
+ size_t count() const noexcept { return ips.size(); }
+ void add(const IPMask& im) noexcept{ ips.push_back(im); }
+
+ private:
+ uint32_t calcMask(unsigned int msk) const noexcept;
+ ContainerType ips;
};
//-------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-inline
-USER_IPS::USER_IPS()
- : ips()
-{}
-//-----------------------------------------------------------------------------
-inline
-USER_IPS::USER_IPS(const USER_IPS & i)
- : ips(i.ips)
-{}
-//-----------------------------------------------------------------------------
inline
-USER_IPS & USER_IPS::operator=(const USER_IPS & i)
+std::string UserIPs::toString() const noexcept
{
-ips = i.ips;
-return *this;
+ if (ips.empty())
+ return "";
+
+ if (ips[0].ip == 0)
+ return "*";
+
+ auto it = ips.begin();
+ std::string res = inet_ntostring(it->ip);
+ ++it;
+ for (; it != ips.end(); ++it)
+ res += "," + inet_ntostring(it->ip);
+ return res;
}
//-----------------------------------------------------------------------------
inline
-const IP_MASK & USER_IPS::operator[](int idx) const
+uint32_t UserIPs::calcMask(unsigned int msk) const noexcept
{
-return ips[idx];
+ if (msk > 32)
+ return 0;
+ return htonl(0xFFffFFff << (32 - msk));
}
//-----------------------------------------------------------------------------
inline
-std::string USER_IPS::GetIpStr() const
+bool UserIPs::find(uint32_t ip) const noexcept
{
-if (ips.empty())
- {
- return "";
- }
+ if (ips.empty())
+ return false;
-if (ips[0].ip == 0)
- {
- return "*";
- }
+ if (ips.front().ip == 0)
+ return true;
-std::vector<IP_MASK>::const_iterator it(ips.begin());
-std::stringstream s;
-s << inet_ntostring(it->ip);
-++it;
-for (; it != ips.end(); ++it)
+ for (auto it = ips.begin(); it != ips.end(); ++it)
{
- s << "," << inet_ntostring(it->ip);
+ const auto mask = calcMask(it->mask);
+ if ((ip & mask) == (it->ip & mask))
+ return true;
}
-return s.str();
-}
-//-----------------------------------------------------------------------------
-inline
-int USER_IPS::Count() const
-{
-return ips.size();
-}
-//-----------------------------------------------------------------------------
-inline
-bool USER_IPS::IsIPInIPS(uint32_t ip) const
-{
-if (ips.empty())
- {
return false;
- }
-
-if (ips.front().ip == 0)
- return true;
-
-for (std::vector<IP_MASK>::const_iterator it(ips.begin()); it != ips.end(); ++it)
- {
- uint32_t mask(CalcMask(it->mask));
- if ((ip & mask) == (it->ip & mask))
- return true;
- }
-return false;
}
//-----------------------------------------------------------------------------
inline
-bool USER_IPS::OnlyOneIP() const
+bool UserIPs::onlyOneIP() const noexcept
{
-if (ips.size() == 1 && ips.front().mask == 32)
- return true;
+ if (ips.size() == 1 && ips.front().mask == 32 && ips.front().ip != 0)
+ return true;
-return false;
-}
-//-----------------------------------------------------------------------------
-inline
-uint32_t USER_IPS::CalcMask(unsigned int msk) const
-{
-if (msk > 32)
- return 0;
-return htonl(0xFFffFFff << (32 - msk));
-}
-//-----------------------------------------------------------------------------
-inline
-void USER_IPS::Add(const IP_MASK &im)
-{
-ips.push_back(im);
+ return false;
}
//-----------------------------------------------------------------------------
inline
-void USER_IPS::Erase()
+bool UserIPs::isAnyIP() const noexcept
{
-ips.erase(ips.begin(), ips.end());
+ return !ips.empty() && ips.front().ip == 0;
}
//-----------------------------------------------------------------------------
inline
-std::ostream & operator<<(std::ostream & o, const USER_IPS & i)
+std::ostream & operator<<(std::ostream& o, const UserIPs& i)
{
-return o << i.GetIpStr();
+ return o << i.toString();
}
//-----------------------------------------------------------------------------
-/*inline
-stringstream & operator<<(std::stringstream & s, const USER_IPS & i)
-{
-s << i.GetIpStr();
-return s;
-}*/
-//-----------------------------------------------------------------------------
inline
-const USER_IPS StrToIPS(const std::string & ipsStr) throw(std::string)
+UserIPs UserIPs::parse(const std::string& source)
{
-USER_IPS ips;
-char * paddr;
-IP_MASK im;
-std::vector<std::string> ipMask;
-std::string err;
-if (ipsStr.empty())
- {
- return ips;
- }
+ if (source.empty())
+ return {};
-if (ipsStr[0] == '*' && ipsStr.size() == 1)
+ UserIPs ips;
+ if (source[0] == '*' && source.size() == 1)
{
- im.ip = 0;
- im.mask = 0;
- ips.ips.push_back(im);
- return ips;
+ ips.ips.push_back(IPMask());
+ return ips;
}
-char * str = new char[ipsStr.size() + 1];
-strcpy(str, ipsStr.c_str());
-char * pstr = str;
-while ((paddr = strtok(pstr, ",")))
+ std::vector<std::string> ipMask;
+ char * tmp = new char[source.size() + 1];
+ strcpy(tmp, source.c_str());
+ char * pstr = tmp;
+ char * paddr = NULL;
+ while ((paddr = strtok(pstr, ",")))
{
- pstr = NULL;
- ipMask.push_back(paddr);
+ pstr = NULL;
+ ipMask.push_back(paddr);
}
-delete[] str;
+ delete[] tmp;
-for (unsigned int i = 0; i < ipMask.size(); i++)
+ for (UserIPs::IndexType i = 0; i < ipMask.size(); i++)
{
- char str[128];
- char * strIp;
- char * strMask;
- strcpy(str, ipMask[i].c_str());
- strIp = strtok(str, "/");
- if (strIp == NULL)
- {
- err = "Incorrect IP address " + ipsStr;
- return ips;
- }
- strMask = strtok(NULL, "/");
+ char str[128];
+ char * strIp;
+ char * strMask;
+ strcpy(str, ipMask[i].c_str());
+ strIp = strtok(str, "/");
+ if (strIp == NULL)
+ return ips;
+ strMask = strtok(NULL, "/");
- im.ip = inet_addr(strIp);
- if (im.ip == INADDR_NONE)
- {
- err = "Incorrect IP address: " + std::string(strIp);
- return ips;
- }
+ IPMask im;
- im.mask = 32;
- if (strMask != NULL)
- {
- int m = 0;
- if (str2x(strMask, m) != 0)
- {
- err = "Incorrect mask: " + std::string(strMask);
+ im.ip = inet_addr(strIp);
+ if (im.ip == INADDR_NONE)
return ips;
- }
- im.mask = m;
- if (im.mask > 32)
- {
- err = "Incorrect mask: " + std::string(strMask);
- return ips;
- }
+ im.mask = 32;
+ if (strMask != NULL)
+ {
+ int m = 0;
+ if (str2x(strMask, m) != 0)
+ return ips;
+ im.mask = m;
- if ((im.ip & ips.CalcMask(im.mask)) != im.ip)
- {
- err = "Address does'n match mask: " + std::string(strIp) + "/" + std::string(strMask);
- return ips;
- }
+ if (im.mask > 32)
+ return ips;
+
+ if ((im.ip & ips.calcMask(im.mask)) != im.ip)
+ return ips;
}
- ips.ips.push_back(im);
+ ips.ips.push_back(im);
}
-return ips;
+ return ips;
}
//-------------------------------------------------------------------------
-#endif //USER_IPS_H
+}