net: move CNetAddr/CService/CSubNet out of netbase

1 files changed, 0 insertions, 705 deletions

diff --git a/src/netbase.cpp b/src/netbase.cpp
index 52badcd98f..c2294a078d 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -42,8 +42,6 @@ static CCriticalSection cs_proxyInfos;
 int nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
 bool fNameLookup = DEFAULT_NAME_LOOKUP;
 
-static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff };
-
 // Need ample time for negotiation for very slow proxies such as Tor (milliseconds)
 static const int SOCKS5_RECV_TIMEOUT = 20 * 1000;
 
@@ -646,618 +644,6 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest
     return ConnectThroughProxy(nameProxy, strDest, port, hSocketRet, nTimeout, outProxyConnectionFailed);
 }
 
-void CNetAddr::Init()
-{
-    memset(ip, 0, sizeof(ip));
-    scopeId = 0;
-}
-
-void CNetAddr::SetIP(const CNetAddr& ipIn)
-{
-    memcpy(ip, ipIn.ip, sizeof(ip));
-}
-
-void CNetAddr::SetRaw(Network network, const uint8_t *ip_in)
-{
-    switch(network)
-    {
-        case NET_IPV4:
-            memcpy(ip, pchIPv4, 12);
-            memcpy(ip+12, ip_in, 4);
-            break;
-        case NET_IPV6:
-            memcpy(ip, ip_in, 16);
-            break;
-        default:
-            assert(!"invalid network");
-    }
-}
-
-static const unsigned char pchOnionCat[] = {0xFD,0x87,0xD8,0x7E,0xEB,0x43};
-
-bool CNetAddr::SetSpecial(const std::string &strName)
-{
-    if (strName.size()>6 && strName.substr(strName.size() - 6, 6) == ".onion") {
-        std::vector<unsigned char> vchAddr = DecodeBase32(strName.substr(0, strName.size() - 6).c_str());
-        if (vchAddr.size() != 16-sizeof(pchOnionCat))
-            return false;
-        memcpy(ip, pchOnionCat, sizeof(pchOnionCat));
-        for (unsigned int i=0; i<16-sizeof(pchOnionCat); i++)
-            ip[i + sizeof(pchOnionCat)] = vchAddr[i];
-        return true;
-    }
-    return false;
-}
-
-CNetAddr::CNetAddr()
-{
-    Init();
-}
-
-CNetAddr::CNetAddr(const struct in_addr& ipv4Addr)
-{
-    SetRaw(NET_IPV4, (const uint8_t*)&ipv4Addr);
-}
-
-CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr, const uint32_t scope)
-{
-    SetRaw(NET_IPV6, (const uint8_t*)&ipv6Addr);
-    scopeId = scope;
-}
-
-unsigned int CNetAddr::GetByte(int n) const
-{
-    return ip[15-n];
-}
-
-bool CNetAddr::IsIPv4() const
-{
-    return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0);
-}
-
-bool CNetAddr::IsIPv6() const
-{
-    return (!IsIPv4() && !IsTor());
-}
-
-bool CNetAddr::IsRFC1918() const
-{
-    return IsIPv4() && (
-        GetByte(3) == 10 ||
-        (GetByte(3) == 192 && GetByte(2) == 168) ||
-        (GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31)));
-}
-
-bool CNetAddr::IsRFC2544() const
-{
-    return IsIPv4() && GetByte(3) == 198 && (GetByte(2) == 18 || GetByte(2) == 19);
-}
-
-bool CNetAddr::IsRFC3927() const
-{
-    return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254);
-}
-
-bool CNetAddr::IsRFC6598() const
-{
-    return IsIPv4() && GetByte(3) == 100 && GetByte(2) >= 64 && GetByte(2) <= 127;
-}
-
-bool CNetAddr::IsRFC5737() const
-{
-    return IsIPv4() && ((GetByte(3) == 192 && GetByte(2) == 0 && GetByte(1) == 2) ||
-        (GetByte(3) == 198 && GetByte(2) == 51 && GetByte(1) == 100) ||
-        (GetByte(3) == 203 && GetByte(2) == 0 && GetByte(1) == 113));
-}
-
-bool CNetAddr::IsRFC3849() const
-{
-    return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8;
-}
-
-bool CNetAddr::IsRFC3964() const
-{
-    return (GetByte(15) == 0x20 && GetByte(14) == 0x02);
-}
-
-bool CNetAddr::IsRFC6052() const
-{
-    static const unsigned char pchRFC6052[] = {0,0x64,0xFF,0x9B,0,0,0,0,0,0,0,0};
-    return (memcmp(ip, pchRFC6052, sizeof(pchRFC6052)) == 0);
-}
-
-bool CNetAddr::IsRFC4380() const
-{
-    return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0 && GetByte(12) == 0);
-}
-
-bool CNetAddr::IsRFC4862() const
-{
-    static const unsigned char pchRFC4862[] = {0xFE,0x80,0,0,0,0,0,0};
-    return (memcmp(ip, pchRFC4862, sizeof(pchRFC4862)) == 0);
-}
-
-bool CNetAddr::IsRFC4193() const
-{
-    return ((GetByte(15) & 0xFE) == 0xFC);
-}
-
-bool CNetAddr::IsRFC6145() const
-{
-    static const unsigned char pchRFC6145[] = {0,0,0,0,0,0,0,0,0xFF,0xFF,0,0};
-    return (memcmp(ip, pchRFC6145, sizeof(pchRFC6145)) == 0);
-}
-
-bool CNetAddr::IsRFC4843() const
-{
-    return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10);
-}
-
-bool CNetAddr::IsTor() const
-{
-    return (memcmp(ip, pchOnionCat, sizeof(pchOnionCat)) == 0);
-}
-
-bool CNetAddr::IsLocal() const
-{
-    // IPv4 loopback
-   if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0))
-       return true;
-
-   // IPv6 loopback (::1/128)
-   static const unsigned char pchLocal[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};
-   if (memcmp(ip, pchLocal, 16) == 0)
-       return true;
-
-   return false;
-}
-
-bool CNetAddr::IsMulticast() const
-{
-    return    (IsIPv4() && (GetByte(3) & 0xF0) == 0xE0)
-           || (GetByte(15) == 0xFF);
-}
-
-bool CNetAddr::IsValid() const
-{
-    // Cleanup 3-byte shifted addresses caused by garbage in size field
-    // of addr messages from versions before 0.2.9 checksum.
-    // Two consecutive addr messages look like this:
-    // header20 vectorlen3 addr26 addr26 addr26 header20 vectorlen3 addr26 addr26 addr26...
-    // so if the first length field is garbled, it reads the second batch
-    // of addr misaligned by 3 bytes.
-    if (memcmp(ip, pchIPv4+3, sizeof(pchIPv4)-3) == 0)
-        return false;
-
-    // unspecified IPv6 address (::/128)
-    unsigned char ipNone[16] = {};
-    if (memcmp(ip, ipNone, 16) == 0)
-        return false;
-
-    // documentation IPv6 address
-    if (IsRFC3849())
-        return false;
-
-    if (IsIPv4())
-    {
-        // INADDR_NONE
-        uint32_t ipNone = INADDR_NONE;
-        if (memcmp(ip+12, &ipNone, 4) == 0)
-            return false;
-
-        // 0
-        ipNone = 0;
-        if (memcmp(ip+12, &ipNone, 4) == 0)
-            return false;
-    }
-
-    return true;
-}
-
-bool CNetAddr::IsRoutable() const
-{
-    return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal());
-}
-
-enum Network CNetAddr::GetNetwork() const
-{
-    if (!IsRoutable())
-        return NET_UNROUTABLE;
-
-    if (IsIPv4())
-        return NET_IPV4;
-
-    if (IsTor())
-        return NET_TOR;
-
-    return NET_IPV6;
-}
-
-std::string CNetAddr::ToStringIP() const
-{
-    if (IsTor())
-        return EncodeBase32(&ip[6], 10) + ".onion";
-    CService serv(*this, 0);
-    struct sockaddr_storage sockaddr;
-    socklen_t socklen = sizeof(sockaddr);
-    if (serv.GetSockAddr((struct sockaddr*)&sockaddr, &socklen)) {
-        char name[1025] = "";
-        if (!getnameinfo((const struct sockaddr*)&sockaddr, socklen, name, sizeof(name), NULL, 0, NI_NUMERICHOST))
-            return std::string(name);
-    }
-    if (IsIPv4())
-        return strprintf("%u.%u.%u.%u", GetByte(3), GetByte(2), GetByte(1), GetByte(0));
-    else
-        return strprintf("%x:%x:%x:%x:%x:%x:%x:%x",
-                         GetByte(15) << 8 | GetByte(14), GetByte(13) << 8 | GetByte(12),
-                         GetByte(11) << 8 | GetByte(10), GetByte(9) << 8 | GetByte(8),
-                         GetByte(7) << 8 | GetByte(6), GetByte(5) << 8 | GetByte(4),
-                         GetByte(3) << 8 | GetByte(2), GetByte(1) << 8 | GetByte(0));
-}
-
-std::string CNetAddr::ToString() const
-{
-    return ToStringIP();
-}
-
-bool operator==(const CNetAddr& a, const CNetAddr& b)
-{
-    return (memcmp(a.ip, b.ip, 16) == 0);
-}
-
-bool operator!=(const CNetAddr& a, const CNetAddr& b)
-{
-    return (memcmp(a.ip, b.ip, 16) != 0);
-}
-
-bool operator<(const CNetAddr& a, const CNetAddr& b)
-{
-    return (memcmp(a.ip, b.ip, 16) < 0);
-}
-
-bool CNetAddr::GetInAddr(struct in_addr* pipv4Addr) const
-{
-    if (!IsIPv4())
-        return false;
-    memcpy(pipv4Addr, ip+12, 4);
-    return true;
-}
-
-bool CNetAddr::GetIn6Addr(struct in6_addr* pipv6Addr) const
-{
-    memcpy(pipv6Addr, ip, 16);
-    return true;
-}
-
-// get canonical identifier of an address' group
-// no two connections will be attempted to addresses with the same group
-std::vector<unsigned char> CNetAddr::GetGroup() const
-{
-    std::vector<unsigned char> vchRet;
-    int nClass = NET_IPV6;
-    int nStartByte = 0;
-    int nBits = 16;
-
-    // all local addresses belong to the same group
-    if (IsLocal())
-    {
-        nClass = 255;
-        nBits = 0;
-    }
-
-    // all unroutable addresses belong to the same group
-    if (!IsRoutable())
-    {
-        nClass = NET_UNROUTABLE;
-        nBits = 0;
-    }
-    // for IPv4 addresses, '1' + the 16 higher-order bits of the IP
-    // includes mapped IPv4, SIIT translated IPv4, and the well-known prefix
-    else if (IsIPv4() || IsRFC6145() || IsRFC6052())
-    {
-        nClass = NET_IPV4;
-        nStartByte = 12;
-    }
-    // for 6to4 tunnelled addresses, use the encapsulated IPv4 address
-    else if (IsRFC3964())
-    {
-        nClass = NET_IPV4;
-        nStartByte = 2;
-    }
-    // for Teredo-tunnelled IPv6 addresses, use the encapsulated IPv4 address
-    else if (IsRFC4380())
-    {
-        vchRet.push_back(NET_IPV4);
-        vchRet.push_back(GetByte(3) ^ 0xFF);
-        vchRet.push_back(GetByte(2) ^ 0xFF);
-        return vchRet;
-    }
-    else if (IsTor())
-    {
-        nClass = NET_TOR;
-        nStartByte = 6;
-        nBits = 4;
-    }
-    // for he.net, use /36 groups
-    else if (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x04 && GetByte(12) == 0x70)
-        nBits = 36;
-    // for the rest of the IPv6 network, use /32 groups
-    else
-        nBits = 32;
-
-    vchRet.push_back(nClass);
-    while (nBits >= 8)
-    {
-        vchRet.push_back(GetByte(15 - nStartByte));
-        nStartByte++;
-        nBits -= 8;
-    }
-    if (nBits > 0)
-        vchRet.push_back(GetByte(15 - nStartByte) | ((1 << (8 - nBits)) - 1));
-
-    return vchRet;
-}
-
-uint64_t CNetAddr::GetHash() const
-{
-    uint256 hash = Hash(&ip[0], &ip[16]);
-    uint64_t nRet;
-    memcpy(&nRet, &hash, sizeof(nRet));
-    return nRet;
-}
-
-// private extensions to enum Network, only returned by GetExtNetwork,
-// and only used in GetReachabilityFrom
-static const int NET_UNKNOWN = NET_MAX + 0;
-static const int NET_TEREDO  = NET_MAX + 1;
-int static GetExtNetwork(const CNetAddr *addr)
-{
-    if (addr == NULL)
-        return NET_UNKNOWN;
-    if (addr->IsRFC4380())
-        return NET_TEREDO;
-    return addr->GetNetwork();
-}
-
-/** Calculates a metric for how reachable (*this) is from a given partner */
-int CNetAddr::GetReachabilityFrom(const CNetAddr *paddrPartner) const
-{
-    enum Reachability {
-        REACH_UNREACHABLE,
-        REACH_DEFAULT,
-        REACH_TEREDO,
-        REACH_IPV6_WEAK,
-        REACH_IPV4,
-        REACH_IPV6_STRONG,
-        REACH_PRIVATE
-    };
-
-    if (!IsRoutable())
-        return REACH_UNREACHABLE;
-
-    int ourNet = GetExtNetwork(this);
-    int theirNet = GetExtNetwork(paddrPartner);
-    bool fTunnel = IsRFC3964() || IsRFC6052() || IsRFC6145();
-
-    switch(theirNet) {
-    case NET_IPV4:
-        switch(ourNet) {
-        default:       return REACH_DEFAULT;
-        case NET_IPV4: return REACH_IPV4;
-        }
-    case NET_IPV6:
-        switch(ourNet) {
-        default:         return REACH_DEFAULT;
-        case NET_TEREDO: return REACH_TEREDO;
-        case NET_IPV4:   return REACH_IPV4;
-        case NET_IPV6:   return fTunnel ? REACH_IPV6_WEAK : REACH_IPV6_STRONG; // only prefer giving our IPv6 address if it's not tunnelled
-        }
-    case NET_TOR:
-        switch(ourNet) {
-        default:         return REACH_DEFAULT;
-        case NET_IPV4:   return REACH_IPV4; // Tor users can connect to IPv4 as well
-        case NET_TOR:    return REACH_PRIVATE;
-        }
-    case NET_TEREDO:
-        switch(ourNet) {
-        default:          return REACH_DEFAULT;
-        case NET_TEREDO:  return REACH_TEREDO;
-        case NET_IPV6:    return REACH_IPV6_WEAK;
-        case NET_IPV4:    return REACH_IPV4;
-        }
-    case NET_UNKNOWN:
-    case NET_UNROUTABLE:
-    default:
-        switch(ourNet) {
-        default:          return REACH_DEFAULT;
-        case NET_TEREDO:  return REACH_TEREDO;
-        case NET_IPV6:    return REACH_IPV6_WEAK;
-        case NET_IPV4:    return REACH_IPV4;
-        case NET_TOR:     return REACH_PRIVATE; // either from Tor, or don't care about our address
-        }
-    }
-}
-
-void CService::Init()
-{
-    port = 0;
-}
-
-CService::CService()
-{
-    Init();
-}
-
-CService::CService(const CNetAddr& cip, unsigned short portIn) : CNetAddr(cip), port(portIn)
-{
-}
-
-CService::CService(const struct in_addr& ipv4Addr, unsigned short portIn) : CNetAddr(ipv4Addr), port(portIn)
-{
-}
-
-CService::CService(const struct in6_addr& ipv6Addr, unsigned short portIn) : CNetAddr(ipv6Addr), port(portIn)
-{
-}
-
-CService::CService(const struct sockaddr_in& addr) : CNetAddr(addr.sin_addr), port(ntohs(addr.sin_port))
-{
-    assert(addr.sin_family == AF_INET);
-}
-
-CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr, addr.sin6_scope_id), port(ntohs(addr.sin6_port))
-{
-   assert(addr.sin6_family == AF_INET6);
-}
-
-bool CService::SetSockAddr(const struct sockaddr *paddr)
-{
-    switch (paddr->sa_family) {
-    case AF_INET:
-        *this = CService(*(const struct sockaddr_in*)paddr);
-        return true;
-    case AF_INET6:
-        *this = CService(*(const struct sockaddr_in6*)paddr);
-        return true;
-    default:
-        return false;
-    }
-}
-
-unsigned short CService::GetPort() const
-{
-    return port;
-}
-
-bool operator==(const CService& a, const CService& b)
-{
-    return (CNetAddr)a == (CNetAddr)b && a.port == b.port;
-}
-
-bool operator!=(const CService& a, const CService& b)
-{
-    return (CNetAddr)a != (CNetAddr)b || a.port != b.port;
-}
-
-bool operator<(const CService& a, const CService& b)
-{
-    return (CNetAddr)a < (CNetAddr)b || ((CNetAddr)a == (CNetAddr)b && a.port < b.port);
-}
-
-bool CService::GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const
-{
-    if (IsIPv4()) {
-        if (*addrlen < (socklen_t)sizeof(struct sockaddr_in))
-            return false;
-        *addrlen = sizeof(struct sockaddr_in);
-        struct sockaddr_in *paddrin = (struct sockaddr_in*)paddr;
-        memset(paddrin, 0, *addrlen);
-        if (!GetInAddr(&paddrin->sin_addr))
-            return false;
-        paddrin->sin_family = AF_INET;
-        paddrin->sin_port = htons(port);
-        return true;
-    }
-    if (IsIPv6()) {
-        if (*addrlen < (socklen_t)sizeof(struct sockaddr_in6))
-            return false;
-        *addrlen = sizeof(struct sockaddr_in6);
-        struct sockaddr_in6 *paddrin6 = (struct sockaddr_in6*)paddr;
-        memset(paddrin6, 0, *addrlen);
-        if (!GetIn6Addr(&paddrin6->sin6_addr))
-            return false;
-        paddrin6->sin6_scope_id = scopeId;
-        paddrin6->sin6_family = AF_INET6;
-        paddrin6->sin6_port = htons(port);
-        return true;
-    }
-    return false;
-}
-
-std::vector<unsigned char> CService::GetKey() const
-{
-     std::vector<unsigned char> vKey;
-     vKey.resize(18);
-     memcpy(&vKey[0], ip, 16);
-     vKey[16] = port / 0x100;
-     vKey[17] = port & 0x0FF;
-     return vKey;
-}
-
-std::string CService::ToStringPort() const
-{
-    return strprintf("%u", port);
-}
-
-std::string CService::ToStringIPPort() const
-{
-    if (IsIPv4() || IsTor()) {
-        return ToStringIP() + ":" + ToStringPort();
-    } else {
-        return "[" + ToStringIP() + "]:" + ToStringPort();
-    }
-}
-
-std::string CService::ToString() const
-{
-    return ToStringIPPort();
-}
-
-void CService::SetPort(unsigned short portIn)
-{
-    port = portIn;
-}
-
-CSubNet::CSubNet():
-    valid(false)
-{
-    memset(netmask, 0, sizeof(netmask));
-}
-
-CSubNet::CSubNet(const CNetAddr &addr, int32_t mask)
-{
-    valid = true;
-    network = addr;
-    // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address
-    memset(netmask, 255, sizeof(netmask));
-
-    // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n
-    const int astartofs = network.IsIPv4() ? 12 : 0;
-
-    int32_t n = mask;
-    if(n >= 0 && n <= (128 - astartofs*8)) // Only valid if in range of bits of address
-    {
-        n += astartofs*8;
-        // Clear bits [n..127]
-        for (; n < 128; ++n)
-            netmask[n>>3] &= ~(1<<(7-(n&7)));
-    } else
-        valid = false;
-
-    // Normalize network according to netmask
-    for(int x=0; x<16; ++x)
-        network.ip[x] &= netmask[x];
-}
-
-CSubNet::CSubNet(const CNetAddr &addr, const CNetAddr &mask)
-{
-    valid = true;
-    network = addr;
-    // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address
-    memset(netmask, 255, sizeof(netmask));
-
-    // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n
-    const int astartofs = network.IsIPv4() ? 12 : 0;
-
-    for(int x=astartofs; x<16; ++x)
-        netmask[x] = mask.ip[x];
-
-    // Normalize network according to netmask
-    for(int x=0; x<16; ++x)
-        network.ip[x] &= netmask[x];
-}
-
-
 bool LookupSubNet(const char* pszName, CSubNet& ret)
 {
     std::string strSubnet(pszName);
@@ -1295,97 +681,6 @@ bool LookupSubNet(const char* pszName, CSubNet& ret)
     return false;
 }
 
-CSubNet::CSubNet(const CNetAddr &addr):
-    valid(addr.IsValid())
-{
-    memset(netmask, 255, sizeof(netmask));
-    network = addr;
-}
-
-bool CSubNet::Match(const CNetAddr &addr) const
-{
-    if (!valid || !addr.IsValid())
-        return false;
-    for(int x=0; x<16; ++x)
-        if ((addr.ip[x] & netmask[x]) != network.ip[x])
-            return false;
-    return true;
-}
-
-static inline int NetmaskBits(uint8_t x)
-{
-    switch(x) {
-    case 0x00: return 0; break;
-    case 0x80: return 1; break;
-    case 0xc0: return 2; break;
-    case 0xe0: return 3; break;
-    case 0xf0: return 4; break;
-    case 0xf8: return 5; break;
-    case 0xfc: return 6; break;
-    case 0xfe: return 7; break;
-    case 0xff: return 8; break;
-    default: return -1; break;
-    }
-}
-
-std::string CSubNet::ToString() const
-{
-    /* Parse binary 1{n}0{N-n} to see if mask can be represented as /n */
-    int cidr = 0;
-    bool valid_cidr = true;
-    int n = network.IsIPv4() ? 12 : 0;
-    for (; n < 16 && netmask[n] == 0xff; ++n)
-        cidr += 8;
-    if (n < 16) {
-        int bits = NetmaskBits(netmask[n]);
-        if (bits < 0)
-            valid_cidr = false;
-        else
-            cidr += bits;
-        ++n;
-    }
-    for (; n < 16 && valid_cidr; ++n)
-        if (netmask[n] != 0x00)
-            valid_cidr = false;
-
-    /* Format output */
-    std::string strNetmask;
-    if (valid_cidr) {
-        strNetmask = strprintf("%u", cidr);
-    } else {
-        if (network.IsIPv4())
-            strNetmask = strprintf("%u.%u.%u.%u", netmask[12], netmask[13], netmask[14], netmask[15]);
-        else
-            strNetmask = strprintf("%x:%x:%x:%x:%x:%x:%x:%x",
-                             netmask[0] << 8 | netmask[1], netmask[2] << 8 | netmask[3],
-                             netmask[4] << 8 | netmask[5], netmask[6] << 8 | netmask[7],
-                             netmask[8] << 8 | netmask[9], netmask[10] << 8 | netmask[11],
-                             netmask[12] << 8 | netmask[13], netmask[14] << 8 | netmask[15]);
-    }
-
-    return network.ToString() + "/" + strNetmask;
-}
-
-bool CSubNet::IsValid() const
-{
-    return valid;
-}
-
-bool operator==(const CSubNet& a, const CSubNet& b)
-{
-    return a.valid == b.valid && a.network == b.network && !memcmp(a.netmask, b.netmask, 16);
-}
-
-bool operator!=(const CSubNet& a, const CSubNet& b)
-{
-    return !(a==b);
-}
-
-bool operator<(const CSubNet& a, const CSubNet& b)
-{
-    return (a.network < b.network || (a.network == b.network && memcmp(a.netmask, b.netmask, 16) < 0));
-}
-
 #ifdef WIN32
 std::string NetworkErrorString(int err)
 {