mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-06-15 21:58:21 +00:00
Whole heap more cleanup and refactoring...
This commit is contained in:
Adam Ierymenko
@ -45,24 +45,29 @@ const InetAddress InetAddress::DEFAULT6((const void *)0,16,0);
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void InetAddress::set(const std::string &ip,unsigned int port)
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throw()
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{
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memset(&_sa,0,sizeof(_sa));
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if (ip.find(':') != std::string::npos) {
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_sa.sin6.sin6_family = AF_INET6;
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_sa.sin6.sin6_port = Utils::hton((uint16_t)port);
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if (inet_pton(AF_INET6,ip.c_str(),(void *)&(_sa.sin6.sin6_addr.s6_addr)) <= 0)
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_sa.saddr.sa_family = 0;
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struct sockaddr_in6 sin6;
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memset(&sin6,0,sizeof(sin6));
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sin6.sin6_family = AF_INET6;
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sin6.sin6_port = Utils::hton((uint16_t)port);
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if (inet_pton(AF_INET6,ip.c_str(),(void *)&(sin6.sin6_addr.s6_addr)) <= 0)
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memset(this,0,sizeof(InetAddress));
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else *this = sin6;
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} else {
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_sa.sin.sin_family = AF_INET;
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_sa.sin.sin_port = Utils::hton((uint16_t)port);
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if (inet_pton(AF_INET,ip.c_str(),(void *)&(_sa.sin.sin_addr.s_addr)) <= 0)
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_sa.saddr.sa_family = 0;
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struct sockaddr_in sin;
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memset(&sin,0,sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = Utils::hton((uint16_t)port);
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if (inet_pton(AF_INET,ip.c_str(),(void *)&(sin.sin_addr.s_addr)) <= 0)
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memset(this,0,sizeof(InetAddress));
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else *this = sin;
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}
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}
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void InetAddress::set(const void *ipBytes,unsigned int ipLen,unsigned int port)
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throw()
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{
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memset(&_sa,0,sizeof(_sa));
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memset(this,0,sizeof(InetAddress));
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if (ipLen == 4) {
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setV4();
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if (ipBytes)
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@ -79,59 +84,87 @@ void InetAddress::set(const void *ipBytes,unsigned int ipLen,unsigned int port)
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bool InetAddress::isLinkLocal() const
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throw()
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{
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if (_sa.saddr.sa_family == AF_INET)
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return ((Utils::ntoh((uint32_t)_sa.sin.sin_addr.s_addr) & 0xffff0000) == 0xa9fe0000);
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else if (_sa.saddr.sa_family == AF_INET6) {
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if (_sa.sin6.sin6_addr.s6_addr[0] != 0xfe) return false;
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if (_sa.sin6.sin6_addr.s6_addr[1] != 0x80) return false;
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if (_sa.sin6.sin6_addr.s6_addr[2] != 0x00) return false;
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if (_sa.sin6.sin6_addr.s6_addr[3] != 0x00) return false;
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if (_sa.sin6.sin6_addr.s6_addr[4] != 0x00) return false;
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if (_sa.sin6.sin6_addr.s6_addr[5] != 0x00) return false;
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if (_sa.sin6.sin6_addr.s6_addr[6] != 0x00) return false;
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if (_sa.sin6.sin6_addr.s6_addr[7] != 0x00) return false;
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return true;
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static const unsigned char v6llPrefix[8] = { 0xfe,0x80,0x00,0x00,0x00,0x00,0x00,0x00 };
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switch(ss_family) {
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case AF_INET:
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return ((Utils::ntoh((uint32_t)reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr) & 0xffff0000) == 0xa9fe0000);
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case AF_INET6:
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return (memcmp(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr,v6llPrefix,8) == 0);
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}
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return false;
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}
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bool InetAddress::isDefaultRoute() const
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throw()
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{
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if (_sa.saddr.sa_family == AF_INET)
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return ((_sa.sin.sin_addr.s_addr == 0)&&(_sa.sin.sin_port == 0));
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else if (_sa.saddr.sa_family == AF_INET6)
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return ((Utils::isZero(_sa.sin6.sin6_addr.s6_addr,16))&&(_sa.sin6.sin6_port == 0));
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return false;
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}
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std::string InetAddress::toString() const
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{
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char buf[128],buf2[128];
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switch(_sa.saddr.sa_family) {
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char buf[128];
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switch(ss_family) {
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case AF_INET:
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#ifdef __WINDOWS__
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if (inet_ntop(AF_INET,(PVOID)&(_sa.sin.sin_addr.s_addr),buf,sizeof(buf))) {
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#else
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if (inet_ntop(AF_INET,(const void *)&(_sa.sin.sin_addr.s_addr),buf,sizeof(buf))) {
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#endif
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Utils::snprintf(buf2,sizeof(buf2),"%s/%u",buf,(unsigned int)ntohs(_sa.sin.sin_port));
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return std::string(buf2);
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}
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break;
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Utils::snprintf(buf,sizeof(buf),"%d.%d.%d.%d/%d",
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[0],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[1],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[2],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[3],
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(int)Utils::ntoh((uint16_t)(reinterpret_cast<const struct sockaddr_in *>(this)->sin_port))
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);
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return std::string(buf);
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case AF_INET6:
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#ifdef __WINDOWS__
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if (inet_ntop(AF_INET6,(PVOID)&(_sa.sin6.sin6_addr.s6_addr),buf,sizeof(buf))) {
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#else
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if (inet_ntop(AF_INET6,(const void *)&(_sa.sin6.sin6_addr.s6_addr),buf,sizeof(buf))) {
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#endif
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Utils::snprintf(buf2,sizeof(buf2),"%s/%u",buf,(unsigned int)ntohs(_sa.sin6.sin6_port));
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return std::string(buf2);
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}
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break;
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Utils::snprintf(buf,sizeof(buf),"%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x/%d",
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[0]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[1]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[2]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[3]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[4]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[5]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[6]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[7]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[8]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[9]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[10]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[11]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[12]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[13]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[14]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[15]),
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(int)Utils::ntoh((uint16_t)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_port))
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);
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return std::string(buf);
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}
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return std::string();
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}
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std::string InetAddress::toIpString() const
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{
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char buf[128];
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switch(ss_family) {
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case AF_INET:
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Utils::snprintf(buf,sizeof(buf),"%d.%d.%d.%d",
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[0],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[1],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[2],
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(int)(reinterpret_cast<const unsigned char *>(&(reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr)))[3]
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);
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return std::string(buf);
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case AF_INET6:
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Utils::snprintf(buf,sizeof(buf),"%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x",
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[0]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[1]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[2]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[3]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[4]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[5]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[6]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[7]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[8]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[9]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[10]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[11]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[12]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[13]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[14]),
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(int)(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr[15])
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);
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return std::string(buf);
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}
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return std::string();
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}
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@ -148,64 +181,16 @@ void InetAddress::fromString(const std::string &ipSlashPort)
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}
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}
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std::string InetAddress::toIpString() const
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{
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char buf[128];
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switch(_sa.saddr.sa_family) {
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case AF_INET:
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#ifdef __WINDOWS__
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if (inet_ntop(AF_INET,(PVOID)&(_sa.sin.sin_addr.s_addr),buf,sizeof(buf)))
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return std::string(buf);
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#else
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if (inet_ntop(AF_INET,(const void *)&(_sa.sin.sin_addr.s_addr),buf,sizeof(buf)))
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return std::string(buf);
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#endif
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break;
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case AF_INET6:
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#ifdef __WINDOWS__
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if (inet_ntop(AF_INET6,(PVOID)&(_sa.sin6.sin6_addr.s6_addr),buf,sizeof(buf)))
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return std::string(buf);
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#else
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if (inet_ntop(AF_INET6,(const void *)&(_sa.sin6.sin6_addr.s6_addr),buf,sizeof(buf)))
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return std::string(buf);
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#endif
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break;
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}
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return std::string();
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}
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InetAddress InetAddress::netmask() const
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throw()
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{
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InetAddress r(*this);
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switch(_sa.saddr.sa_family) {
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switch(r.ss_family) {
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case AF_INET:
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r._sa.sin.sin_addr.s_addr = Utils::hton((uint32_t)(0xffffffff << (32 - netmaskBits())));
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reinterpret_cast<struct sockaddr_in *>(&r)->sin_addr.s_addr = Utils::hton((uint32_t)(0xffffffff << (32 - netmaskBits())));
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break;
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case AF_INET6: {
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unsigned char *bf = (unsigned char *)r._sa.sin6.sin6_addr.s6_addr;
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signed int bitsLeft = (signed int)netmaskBits();
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for(unsigned int i=0;i<16;++i) {
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if (bitsLeft > 0) {
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bf[i] = (unsigned char)((bitsLeft >= 8) ? 0xff : (0xff << (8 - bitsLeft)));
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bitsLeft -= 8;
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} else bf[i] = (unsigned char)0;
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}
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} break;
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}
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return r;
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}
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InetAddress InetAddress::broadcast() const
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throw()
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{
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InetAddress r(*this);
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switch(_sa.saddr.sa_family) {
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case AF_INET:
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r._sa.sin.sin_addr.s_addr |= Utils::hton((uint32_t)(0xffffffff >> netmaskBits()));
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break;
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case AF_INET6: {
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unsigned char *bf = (unsigned char *)r._sa.sin6.sin6_addr.s6_addr;
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unsigned char *bf = reinterpret_cast<unsigned char *>(reinterpret_cast<struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr);
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signed int bitsLeft = (signed int)netmaskBits();
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for(unsigned int i=0;i<16;++i) {
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if (bitsLeft > 0) {
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@ -218,130 +203,51 @@ InetAddress InetAddress::broadcast() const
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return r;
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}
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bool InetAddress::sameNetworkAs(const InetAddress &ipnet) const
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InetAddress InetAddress::broadcast() const
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throw()
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{
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if (_sa.saddr.sa_family != ipnet._sa.saddr.sa_family)
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return false;
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unsigned int bits = netmaskBits();
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if (bits != ipnet.netmaskBits())
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return false;
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if (!bits)
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return true;
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switch(_sa.saddr.sa_family) {
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InetAddress r(*this);
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switch(r.ss_family) {
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case AF_INET:
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if (bits >= 32) bits = 32;
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reinterpret_cast<struct sockaddr_in *>(&r)->sin_addr.s_addr |= Utils::hton((uint32_t)(0xffffffff >> netmaskBits()));
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break;
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case AF_INET6:
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if (bits >= 128) bits = 128;
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break;
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default:
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return false;
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case AF_INET6: {
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unsigned char *bf = reinterpret_cast<unsigned char *>(reinterpret_cast<struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr);
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signed int bitsLeft = (signed int)netmaskBits();
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for(unsigned int i=0;i<16;++i) {
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if (bitsLeft > 0) {
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bf[i] |= (unsigned char)((bitsLeft >= 8) ? 0x00 : (0xff >> bitsLeft));
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bitsLeft -= 8;
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}
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}
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} break;
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}
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const uint8_t *a = (const uint8_t *)rawIpData();
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const uint8_t *b = (const uint8_t *)ipnet.rawIpData();
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while (bits >= 8) {
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if (*(a++) != *(b++))
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return false;
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bits -= 8;
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}
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bits = 8 - bits;
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return ((*a >> bits) == (*b >> bits));
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}
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bool InetAddress::within(const InetAddress &ipnet) const
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throw()
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{
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if (_sa.saddr.sa_family != ipnet._sa.saddr.sa_family)
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return false;
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unsigned int bits = ipnet.netmaskBits();
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switch(_sa.saddr.sa_family) {
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case AF_INET:
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if (bits > 32) return false;
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break;
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case AF_INET6:
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if (bits > 128) return false;
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break;
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default: return false;
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}
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const uint8_t *a = (const uint8_t *)rawIpData();
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const uint8_t *b = (const uint8_t *)ipnet.rawIpData();
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while (bits >= 8) {
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if (*(a++) != *(b++))
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return false;
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bits -= 8;
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}
|
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if (bits) {
|
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uint8_t mask = ((0xff << (8 - bits)) & 0xff);
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return ((*a & mask) == (*b & mask));
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} else return true;
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}
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bool InetAddress::operator==(const InetAddress &a) const
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throw()
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{
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if (_sa.saddr.sa_family == AF_INET) {
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if (a._sa.saddr.sa_family == AF_INET)
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return ((_sa.sin.sin_addr.s_addr == a._sa.sin.sin_addr.s_addr)&&(_sa.sin.sin_port == a._sa.sin.sin_port));
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return false;
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} else if (_sa.saddr.sa_family == AF_INET6) {
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if (a._sa.saddr.sa_family == AF_INET6) {
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if (_sa.sin6.sin6_port == a._sa.sin6.sin6_port)
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return (!memcmp(_sa.sin6.sin6_addr.s6_addr,a._sa.sin6.sin6_addr.s6_addr,sizeof(_sa.sin6.sin6_addr.s6_addr)));
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}
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return false;
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} else return (memcmp(&_sa,&a._sa,sizeof(_sa)) == 0);
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}
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bool InetAddress::operator<(const InetAddress &a) const
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throw()
|
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{
|
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if (_sa.saddr.sa_family < a._sa.saddr.sa_family)
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return true;
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else if (_sa.saddr.sa_family == a._sa.saddr.sa_family) {
|
||||
if (_sa.saddr.sa_family == AF_INET) {
|
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unsigned long x = Utils::ntoh((uint32_t)_sa.sin.sin_addr.s_addr);
|
||||
unsigned long y = Utils::ntoh((uint32_t)a._sa.sin.sin_addr.s_addr);
|
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if (x == y)
|
||||
return (Utils::ntoh((uint16_t)_sa.sin.sin_port) < Utils::ntoh((uint16_t)a._sa.sin.sin_port));
|
||||
else return (x < y);
|
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} else if (_sa.saddr.sa_family == AF_INET6) {
|
||||
int cmp = (int)memcmp(_sa.sin6.sin6_addr.s6_addr,a._sa.sin6.sin6_addr.s6_addr,16);
|
||||
if (cmp == 0)
|
||||
return (Utils::ntoh((uint16_t)_sa.sin6.sin6_port) < Utils::ntoh((uint16_t)a._sa.sin6.sin6_port));
|
||||
else return (cmp < 0);
|
||||
} else return (memcmp(&_sa,&a._sa,sizeof(_sa)) < 0);
|
||||
}
|
||||
return false;
|
||||
return r;
|
||||
}
|
||||
|
||||
InetAddress InetAddress::makeIpv6LinkLocal(const MAC &mac)
|
||||
throw()
|
||||
{
|
||||
InetAddress ip;
|
||||
ip._sa.saddr.sa_family = AF_INET6;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[0] = 0xfe;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[1] = 0x80;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[2] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[3] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[4] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[5] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[6] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[7] = 0x00;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[8] = mac[0] & 0xfd;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[9] = mac[1];
|
||||
ip._sa.sin6.sin6_addr.s6_addr[10] = mac[2];
|
||||
ip._sa.sin6.sin6_addr.s6_addr[11] = 0xff;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[12] = 0xfe;
|
||||
ip._sa.sin6.sin6_addr.s6_addr[13] = mac[3];
|
||||
ip._sa.sin6.sin6_addr.s6_addr[14] = mac[4];
|
||||
ip._sa.sin6.sin6_addr.s6_addr[15] = mac[5];
|
||||
ip._sa.sin6.sin6_port = Utils::hton((uint16_t)64);
|
||||
return ip;
|
||||
struct sockaddr_in6 sin6;
|
||||
sin6.sin6_family = AF_INET6;
|
||||
sin6.sin6_addr.s6_addr[0] = 0xfe;
|
||||
sin6.sin6_addr.s6_addr[1] = 0x80;
|
||||
sin6.sin6_addr.s6_addr[2] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[3] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[4] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[5] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[6] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[7] = 0x00;
|
||||
sin6.sin6_addr.s6_addr[8] = mac[0] & 0xfd;
|
||||
sin6.sin6_addr.s6_addr[9] = mac[1];
|
||||
sin6.sin6_addr.s6_addr[10] = mac[2];
|
||||
sin6.sin6_addr.s6_addr[11] = 0xff;
|
||||
sin6.sin6_addr.s6_addr[12] = 0xfe;
|
||||
sin6.sin6_addr.s6_addr[13] = mac[3];
|
||||
sin6.sin6_addr.s6_addr[14] = mac[4];
|
||||
sin6.sin6_addr.s6_addr[15] = mac[5];
|
||||
sin6.sin6_port = Utils::hton((uint16_t)64);
|
||||
return InetAddress(sin6);
|
||||
}
|
||||
|
||||
} // namespace ZeroTier
|
||||
|
||||
Reference in New Issue
Block a user