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-rw-r--r--node/InetAddress.hpp217
1 files changed, 51 insertions, 166 deletions
diff --git a/node/InetAddress.hpp b/node/InetAddress.hpp
index afc820f4..325c2de4 100644
--- a/node/InetAddress.hpp
+++ b/node/InetAddress.hpp
@@ -77,53 +77,14 @@ public:
*/
static const InetAddress LO6;
- InetAddress()
- throw()
- {
- memset(&_sa,0,sizeof(_sa));
- }
-
- InetAddress(const InetAddress &a)
- throw()
- {
- memcpy(&_sa,&a._sa,sizeof(_sa));
- }
-
- InetAddress(const struct sockaddr *sa)
- throw()
- {
- this->set(sa);
- }
-
- InetAddress(const void *ipBytes,unsigned int ipLen,unsigned int port)
- throw()
- {
- this->set(ipBytes,ipLen,port);
- }
-
- InetAddress(const uint32_t ipv4,unsigned int port)
- throw()
- {
- this->set(&ipv4,4,port);
- }
-
- InetAddress(const std::string &ip,unsigned int port)
- throw()
- {
- this->set(ip,port);
- }
-
- InetAddress(const std::string &ipSlashPort)
- throw()
- {
- this->fromString(ipSlashPort);
- }
-
- InetAddress(const char *ipSlashPort)
- throw()
- {
- this->fromString(std::string(ipSlashPort));
- }
+ InetAddress() throw() { memset(&_sa,0,sizeof(_sa)); }
+ InetAddress(const InetAddress &a) throw() { memcpy(&_sa,&a._sa,sizeof(_sa)); }
+ InetAddress(const struct sockaddr *sa) throw() { this->set(sa); }
+ InetAddress(const void *ipBytes,unsigned int ipLen,unsigned int port) throw() { this->set(ipBytes,ipLen,port); }
+ InetAddress(const uint32_t ipv4,unsigned int port) throw() { this->set(&ipv4,4,port); }
+ InetAddress(const std::string &ip,unsigned int port) throw() { this->set(ip,port); }
+ InetAddress(const std::string &ipSlashPort) throw() { this->fromString(ipSlashPort); }
+ InetAddress(const char *ipSlashPort) throw() { this->fromString(std::string(ipSlashPort)); }
inline InetAddress &operator=(const InetAddress &a)
throw()
@@ -141,15 +102,9 @@ public:
throw()
{
switch(sa->sa_family) {
- case AF_INET:
- memcpy(&_sa.sin,sa,sizeof(struct sockaddr_in));
- break;
- case AF_INET6:
- memcpy(&_sa.sin6,sa,sizeof(struct sockaddr_in6));
- break;
- default:
- _sa.saddr.sa_family = 0;
- break;
+ case AF_INET: memcpy(&_sa.sin,sa,sizeof(struct sockaddr_in)); break;
+ case AF_INET6: memcpy(&_sa.sin6,sa,sizeof(struct sockaddr_in6)); break;
+ default: memset(&_sa,0,sizeof(_sa)); break;
}
}
@@ -169,20 +124,8 @@ public:
* @param ipLen Length of IP address: 4 or 16
* @param port Port number or 0 for none
*/
- inline void set(const void *ipBytes,unsigned int ipLen,unsigned int port)
- throw()
- {
- _sa.saddr.sa_family = 0;
- if (ipLen == 4) {
- setV4();
- memcpy(rawIpData(),ipBytes,4);
- setPort(port);
- } else if (ipLen == 16) {
- setV6();
- memcpy(rawIpData(),ipBytes,16);
- setPort(port);
- }
- }
+ void set(const void *ipBytes,unsigned int ipLen,unsigned int port)
+ throw();
/**
* Set the port component
@@ -193,32 +136,16 @@ public:
throw()
{
if (_sa.saddr.sa_family == AF_INET)
- _sa.sin.sin_port = htons((uint16_t)port);
+ _sa.sin.sin_port = Utils::hton((uint16_t)port);
else if (_sa.saddr.sa_family == AF_INET6)
- _sa.sin6.sin6_port = htons((uint16_t)port);
+ _sa.sin6.sin6_port = Utils::hton((uint16_t)port);
}
/**
* @return True if this is a link-local IP address
*/
- inline bool isLinkLocal() const
- throw()
- {
- if (_sa.saddr.sa_family == AF_INET)
- return ((Utils::ntoh((uint32_t)_sa.sin.sin_addr.s_addr) & 0xffff0000) == 0xa9fe0000);
- else if (_sa.saddr.sa_family == AF_INET6) {
- if (_sa.sin6.sin6_addr.s6_addr[0] != 0xfe) return false;
- if (_sa.sin6.sin6_addr.s6_addr[1] != 0x80) return false;
- if (_sa.sin6.sin6_addr.s6_addr[2] != 0x00) return false;
- if (_sa.sin6.sin6_addr.s6_addr[3] != 0x00) return false;
- if (_sa.sin6.sin6_addr.s6_addr[4] != 0x00) return false;
- if (_sa.sin6.sin6_addr.s6_addr[5] != 0x00) return false;
- if (_sa.sin6.sin6_addr.s6_addr[6] != 0x00) return false;
- if (_sa.sin6.sin6_addr.s6_addr[7] != 0x00) return false;
- return true;
- }
- return false;
- }
+ bool isLinkLocal() const
+ throw();
/**
* @return ASCII IP/port format representation
@@ -242,12 +169,10 @@ public:
throw()
{
switch(_sa.saddr.sa_family) {
- case AF_INET:
- return ntohs(_sa.sin.sin_port);
- case AF_INET6:
- return ntohs(_sa.sin6.sin6_port);
+ case AF_INET: return Utils::ntoh((uint16_t)_sa.sin.sin_port);
+ case AF_INET6: return Utils::ntoh((uint16_t)_sa.sin6.sin6_port);
+ default: return 0;
}
- return 0;
}
/**
@@ -259,36 +184,13 @@ public:
*
* @return Netmask bits
*/
- inline unsigned int netmaskBits() const
- throw()
- {
- return port();
- }
+ inline unsigned int netmaskBits() const throw() { return port(); }
/**
* Construct a full netmask as an InetAddress
*/
- inline InetAddress netmask() const
- throw()
- {
- InetAddress r(*this);
- switch(_sa.saddr.sa_family) {
- case AF_INET:
- r._sa.sin.sin_addr.s_addr = Utils::hton((uint32_t)(0xffffffff << (32 - netmaskBits())));
- break;
- case AF_INET6: {
- unsigned char *bf = (unsigned char *)r._sa.sin6.sin6_addr.s6_addr;
- signed int bitsLeft = (signed int)netmaskBits();
- for(unsigned int i=0;i<16;++i) {
- if (bitsLeft > 0) {
- bf[i] = (unsigned char)((bitsLeft >= 8) ? 0xff : (0xff << (8 - bitsLeft)));
- bitsLeft -= 8;
- } else bf[i] = (unsigned char)0;
- }
- } break;
- }
- return r;
- }
+ InetAddress netmask() const
+ throw();
/**
* @return True if this is an IPv4 address
@@ -327,17 +229,17 @@ public:
inline unsigned int saddrLen() const
throw()
{
- return (isV4() ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6));
+ switch(_sa.saddr.sa_family) {
+ case AF_INET: return sizeof(struct sockaddr_in);
+ case AF_INET6: return sizeof(struct sockaddr_in6);
+ default: return 0;
+ }
}
/**
* @return Combined length of internal structure, room for either V4 or V6
*/
- inline unsigned int saddrSpaceLen() const
- throw()
- {
- return sizeof(_sa);
- }
+ inline unsigned int saddrSpaceLen() const throw() { return sizeof(_sa); }
/**
* @return Raw sockaddr_in structure (valid if IPv4)
@@ -356,7 +258,7 @@ public:
inline const void *rawIpData() const throw() { return ((_sa.saddr.sa_family == AF_INET) ? (void *)(&(_sa.sin.sin_addr.s_addr)) : (void *)_sa.sin6.sin6_addr.s6_addr); }
/**
- * Compare only the IP portions of addresses, ignoring port
+ * Compare only the IP portions of addresses, ignoring port/netmask
*
* @param a Address to compare
* @return True if both addresses are of the same (valid) type and their IPs match
@@ -375,55 +277,38 @@ public:
return false;
}
- bool operator==(const InetAddress &a) const throw();
- inline bool operator!=(const InetAddress &a) const throw() { return !(*this == a); }
- bool operator<(const InetAddress &a) const throw();
- inline bool operator>(const InetAddress &a) const throw() { return (a < *this); }
- inline bool operator<=(const InetAddress &a) const throw() { return !(a < *this); }
- inline bool operator>=(const InetAddress &a) const throw() { return !(*this < a); }
-
/**
- * @return True if address family is non-zero
+ * Compare IP/netmask with another IP/netmask
+ *
+ * @param ipnet IP/netmask to compare with
+ * @return True if [netmask] bits match
*/
- inline operator bool() const throw() { return ((_sa.saddr.sa_family == AF_INET)||(_sa.saddr.sa_family == AF_INET6)); }
+ bool sameNetworkAs(const InetAddress &ipnet) const
+ throw();
/**
* Set to null/zero
*/
- inline void zero()
- throw()
- {
- _sa.saddr.sa_family = 0;
- }
+ inline void zero() throw() { memset(&_sa,0,sizeof(_sa)); }
+
+ /**
+ * @return True if address family is non-zero
+ */
+ inline operator bool() const throw() { return ((_sa.saddr.sa_family == AF_INET)||(_sa.saddr.sa_family == AF_INET6)); }
+
+ bool operator==(const InetAddress &a) const throw();
+ inline bool operator!=(const InetAddress &a) const throw() { return !(*this == a); }
+ bool operator<(const InetAddress &a) const throw();
+ inline bool operator>(const InetAddress &a) const throw() { return (a < *this); }
+ inline bool operator<=(const InetAddress &a) const throw() { return !(a < *this); }
+ inline bool operator>=(const InetAddress &a) const throw() { return !(*this < a); }
/**
* @param mac MAC address seed
* @return IPv6 link-local address
*/
- static inline 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;
- }
+ static InetAddress makeIpv6LinkLocal(const MAC &mac)
+ throw();
private:
union {