/*
- * DEBUG: section 14 IP Storage and Handling
- * AUTHOR: Amos Jeffries
- *
- * SQUID Internet Object Cache http://squid.nlanr.net/Squid/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from the
- * Internet community. Development is led by Duane Wessels of the
- * National Laboratory for Applied Network Research and funded by the
- * National Science Foundation. Squid is Copyrighted (C) 1998 by
- * the Regents of the University of California. Please see the
- * COPYRIGHT file for full details. Squid incorporates software
- * developed and/or copyrighted by other sources. Please see the
- * CREDITS file for full details.
- *
- * This Ip::Address code is copyright (C) 2007 by Treehouse Networks Ltd
- * of New Zealand. It is published and Lisenced as an extension of
- * squid under the same conditions as the main squid application.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
+/* DEBUG: section 14 IP Storage and Handling */
+
#include "squid.h"
-#include "compat/inet_ntop.h"
-#include "compat/getaddrinfo.h"
#include "Debug.h"
#include "ip/Address.h"
#include "ip/tools.h"
#include "util.h"
-#if HAVE_ASSERT_H
-#include <assert.h>
-#endif
-#if HAVE_STRING_H
-#include <string.h>
-#endif
+#include <cassert>
+#include <cstring>
#if HAVE_ARPA_INET_H
/* for inet_ntoa() */
#include <arpa/inet.h>
#endif
+#if HAVE_WS2TCPIP_H
+// Windows IPv6 definitions
+#include <ws2tcpip.h>
+#endif
+
+// some OS (ie WIndows) define IN6_ADDR_EQUAL instead
+#if !defined(IN6_ARE_ADDR_EQUAL) && _SQUID_WINDOWS_
+#define IN6_ARE_ADDR_EQUAL IN6_ADDR_EQUAL
+#endif
/* Debugging only. Dump the address content when a fatal assert is encountered. */
#define IASSERT(a,b) \
- if(!(b)){ printf("assert \"%s\" at line %d\n", a, __LINE__); \
- printf("Ip::Address invalid? with IsIPv4()=%c, IsIPv6()=%c\n",(IsIPv4()?'T':'F'),(IsIPv6()?'T':'F')); \
- printf("ADDRESS:"); \
- for(unsigned int i = 0; i < sizeof(m_SocketAddr.sin6_addr); ++i) { \
- printf(" %x", m_SocketAddr.sin6_addr.s6_addr[i]); \
- } printf("\n"); assert(b); \
- }
+ if(!(b)){ printf("assert \"%s\" at line %d\n", a, __LINE__); \
+ printf("Ip::Address invalid? with isIPv4()=%c, isIPv6()=%c\n",(isIPv4()?'T':'F'),(isIPv6()?'T':'F')); \
+ printf("ADDRESS:"); \
+ for(unsigned int i = 0; i < sizeof(mSocketAddr_.sin6_addr); ++i) { \
+ printf(" %x", mSocketAddr_.sin6_addr.s6_addr[i]); \
+ } printf("\n"); assert(b); \
+ }
int
-Ip::Address::GetCIDR() const
+Ip::Address::cidr() const
{
- uint8_t shift,byte;
+ uint8_t shift,ipbyte;
uint8_t bit,caught;
int len = 0;
- const uint8_t *ptr= m_SocketAddr.sin6_addr.s6_addr;
+ const uint8_t *ptr= mSocketAddr_.sin6_addr.s6_addr;
/* Let's scan all the bits from Most Significant to Least */
/* Until we find an "0" bit. Then, we return */
/* return IPv4 CIDR for any Mapped address */
/* Thus only check the mapped bit */
- if ( !IsIPv6() ) {
+ if ( !isIPv6() ) {
shift = 12;
}
- for (; shift<sizeof(m_SocketAddr.sin6_addr) ; ++shift) {
- byte= *(ptr+shift);
+ for (; shift<sizeof(mSocketAddr_.sin6_addr) ; ++shift) {
+ ipbyte= *(ptr+shift);
- if (byte == 0xFF) {
+ if (ipbyte == 0xFF) {
len += 8;
continue ; /* A short-cut */
}
- for (caught = 0 , bit= 7 ; !caught && (bit <= 7); --bit) {
- caught = ((byte & 0x80) == 0x00); /* Found a '0' at 'bit' ? */
+ for (caught = 0, bit= 7 ; !caught && (bit <= 7); --bit) {
+ caught = ((ipbyte & 0x80) == 0x00); /* Found a '0' at 'bit' ? */
if (!caught)
++len;
- byte <<= 1;
+ ipbyte <<= 1;
}
if (caught)
}
int
-Ip::Address::ApplyMask(Ip::Address const &mask_addr)
+Ip::Address::applyMask(Ip::Address const &mask_addr)
{
- uint32_t *p1 = (uint32_t*)(&m_SocketAddr.sin6_addr);
- uint32_t const *p2 = (uint32_t const *)(&mask_addr.m_SocketAddr.sin6_addr);
- unsigned int blen = sizeof(m_SocketAddr.sin6_addr)/sizeof(uint32_t);
+ uint32_t *p1 = (uint32_t*)(&mSocketAddr_.sin6_addr);
+ uint32_t const *p2 = (uint32_t const *)(&mask_addr.mSocketAddr_.sin6_addr);
+ unsigned int blen = sizeof(mSocketAddr_.sin6_addr)/sizeof(uint32_t);
unsigned int changes = 0;
for (unsigned int i = 0; i < blen; ++i) {
return changes;
}
+void
+Ip::Address::applyClientMask(const Address &mask)
+{
+ if (!isLocalhost() && isIPv4())
+ (void)applyMask(mask);
+}
+
bool
-Ip::Address::ApplyMask(const unsigned int cidr, int mtype)
+Ip::Address::applyMask(const unsigned int cidrMask, int mtype)
{
uint8_t clearbits = 0;
uint8_t* p = NULL;
// validation and short-cuts.
- if (cidr > 128)
+ if (cidrMask > 128)
return false;
- if (cidr > 32 && mtype == AF_INET)
+ if (cidrMask > 32 && mtype == AF_INET)
return false;
- if (cidr == 0) {
+ if (cidrMask == 0) {
/* CIDR /0 is NoAddr regardless of the IPv4/IPv6 protocol */
- SetNoAddr();
+ setNoAddr();
return true;
}
- clearbits = (uint8_t)( (mtype==AF_INET6?128:32) -cidr);
+ clearbits = (uint8_t)( (mtype==AF_INET6?128:32) - cidrMask);
// short-cut
if (clearbits == 0)
return true;
- p = (uint8_t*)(&m_SocketAddr.sin6_addr) + 15;
+ p = (uint8_t*)(&mSocketAddr_.sin6_addr) + 15;
- for (; clearbits>0 && p >= (uint8_t*)&m_SocketAddr.sin6_addr ; --p ) {
+ for (; clearbits>0 && p >= (uint8_t*)&mSocketAddr_.sin6_addr ; --p ) {
if (clearbits < 8) {
*p &= ((0xFF << clearbits) & 0xFF);
clearbits = 0;
}
bool
-Ip::Address::IsSockAddr() const
+Ip::Address::isSockAddr() const
{
- return (m_SocketAddr.sin6_port != 0);
+ return (mSocketAddr_.sin6_port != 0);
}
bool
-Ip::Address::IsIPv4() const
+Ip::Address::isIPv4() const
{
- return IN6_IS_ADDR_V4MAPPED( &m_SocketAddr.sin6_addr );
+ return IN6_IS_ADDR_V4MAPPED( &mSocketAddr_.sin6_addr );
}
bool
-Ip::Address::IsIPv6() const
+Ip::Address::isIPv6() const
{
- return !IsIPv4();
+ return !isIPv4();
}
bool
-Ip::Address::IsAnyAddr() const
+Ip::Address::isAnyAddr() const
{
- return IN6_IS_ADDR_UNSPECIFIED(&m_SocketAddr.sin6_addr) || IN6_ARE_ADDR_EQUAL(&m_SocketAddr.sin6_addr, &v4_anyaddr);
+ return IN6_IS_ADDR_UNSPECIFIED(&mSocketAddr_.sin6_addr) || IN6_ARE_ADDR_EQUAL(&mSocketAddr_.sin6_addr, &v4_anyaddr);
}
-/// NOTE: Does NOT clear the Port stored. Ony the Address and Type.
+/// NOTE: Does NOT clear the Port stored. Only the Address and Type.
void
-Ip::Address::SetAnyAddr()
+Ip::Address::setAnyAddr()
{
- memset(&m_SocketAddr.sin6_addr, 0, sizeof(struct in6_addr) );
+ memset(&mSocketAddr_.sin6_addr, 0, sizeof(struct in6_addr) );
}
/// NOTE: completely empties the Ip::Address structure. Address, Port, Type, everything.
void
-Ip::Address::SetEmpty()
+Ip::Address::setEmpty()
{
- memset(&m_SocketAddr, 0, sizeof(m_SocketAddr) );
+ memset(&mSocketAddr_, 0, sizeof(mSocketAddr_) );
}
#if _SQUID_AIX_
const struct in6_addr Ip::Address::v4_noaddr = {{{ 0x00000000, 0x00000000, 0x0000ffff, 0xffffffff }}};
const struct in6_addr Ip::Address::v6_noaddr = {{{ 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }}};
#else
-const struct in6_addr Ip::Address::v4_localhost = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01 }}
+const struct in6_addr Ip::Address::v4_localhost = {{{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01
+ }
+ }
};
-const struct in6_addr Ip::Address::v4_anyaddr = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}
+const struct in6_addr Ip::Address::v4_anyaddr = {{{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
+ }
+ }
};
-const struct in6_addr Ip::Address::v4_noaddr = {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}
+const struct in6_addr Ip::Address::v4_noaddr = {{{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+ }
+ }
};
-const struct in6_addr Ip::Address::v6_noaddr = {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}
+const struct in6_addr Ip::Address::v6_noaddr = {{{
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+ }
+ }
};
#endif
bool
-Ip::Address::SetIPv4()
+Ip::Address::setIPv4()
{
- if ( IsLocalhost() ) {
- m_SocketAddr.sin6_addr = v4_localhost;
+ if ( isLocalhost() ) {
+ mSocketAddr_.sin6_addr = v4_localhost;
return true;
}
- if ( IsAnyAddr() ) {
- m_SocketAddr.sin6_addr = v4_anyaddr;
+ if ( isAnyAddr() ) {
+ mSocketAddr_.sin6_addr = v4_anyaddr;
return true;
}
- if ( IsNoAddr() ) {
- m_SocketAddr.sin6_addr = v4_noaddr;
+ if ( isNoAddr() ) {
+ mSocketAddr_.sin6_addr = v4_noaddr;
return true;
}
- if ( IsIPv4())
+ if ( isIPv4())
return true;
// anything non-IPv4 and non-convertable is BAD.
}
bool
-Ip::Address::IsLocalhost() const
+Ip::Address::isLocalhost() const
{
- return IN6_IS_ADDR_LOOPBACK( &m_SocketAddr.sin6_addr ) || IN6_ARE_ADDR_EQUAL( &m_SocketAddr.sin6_addr, &v4_localhost );
+ return IN6_IS_ADDR_LOOPBACK( &mSocketAddr_.sin6_addr ) || IN6_ARE_ADDR_EQUAL( &mSocketAddr_.sin6_addr, &v4_localhost );
}
void
-Ip::Address::SetLocalhost()
+Ip::Address::setLocalhost()
{
if (Ip::EnableIpv6) {
- m_SocketAddr.sin6_addr = in6addr_loopback;
- m_SocketAddr.sin6_family = AF_INET6;
+ mSocketAddr_.sin6_addr = in6addr_loopback;
+ mSocketAddr_.sin6_family = AF_INET6;
} else {
- m_SocketAddr.sin6_addr = v4_localhost;
- m_SocketAddr.sin6_family = AF_INET;
+ mSocketAddr_.sin6_addr = v4_localhost;
+ mSocketAddr_.sin6_family = AF_INET;
}
}
bool
-Ip::Address::IsSiteLocal6() const
+Ip::Address::isSiteLocal6() const
{
// RFC 4193 the site-local allocated range is fc00::/7
// with fd00::/8 as the only currently allocated range (so we test it first).
// BUG: as of 2010-02 Linux and BSD define IN6_IS_ADDR_SITELOCAL() to check for fec::/10
- return m_SocketAddr.sin6_addr.s6_addr[0] == static_cast<uint8_t>(0xfd) ||
- m_SocketAddr.sin6_addr.s6_addr[0] == static_cast<uint8_t>(0xfc);
+ return mSocketAddr_.sin6_addr.s6_addr[0] == static_cast<uint8_t>(0xfd) ||
+ mSocketAddr_.sin6_addr.s6_addr[0] == static_cast<uint8_t>(0xfc);
}
bool
-Ip::Address::IsSlaac() const
+Ip::Address::isSiteLocalAuto() const
{
- return m_SocketAddr.sin6_addr.s6_addr[10] == static_cast<uint8_t>(0xff) &&
- m_SocketAddr.sin6_addr.s6_addr[11] == static_cast<uint8_t>(0xfe);
+ return mSocketAddr_.sin6_addr.s6_addr[11] == static_cast<uint8_t>(0xff) &&
+ mSocketAddr_.sin6_addr.s6_addr[12] == static_cast<uint8_t>(0xfe);
}
bool
-Ip::Address::IsNoAddr() const
+Ip::Address::isNoAddr() const
{
// IFF the address == 0xff..ff (all ones)
- return IN6_ARE_ADDR_EQUAL( &m_SocketAddr.sin6_addr, &v6_noaddr )
- || IN6_ARE_ADDR_EQUAL( &m_SocketAddr.sin6_addr, &v4_noaddr );
+ return IN6_ARE_ADDR_EQUAL( &mSocketAddr_.sin6_addr, &v6_noaddr )
+ || IN6_ARE_ADDR_EQUAL( &mSocketAddr_.sin6_addr, &v4_noaddr );
}
void
-Ip::Address::SetNoAddr()
+Ip::Address::setNoAddr()
{
- memset(&m_SocketAddr.sin6_addr, 0xFF, sizeof(struct in6_addr) );
- m_SocketAddr.sin6_family = AF_INET6;
+ memset(&mSocketAddr_.sin6_addr, 0xFF, sizeof(struct in6_addr) );
+ mSocketAddr_.sin6_family = AF_INET6;
}
bool
-Ip::Address::GetReverseString6(char buf[MAX_IPSTRLEN], const struct in6_addr &dat) const
+Ip::Address::getReverseString6(char buf[MAX_IPSTRLEN], const struct in6_addr &dat) const
{
char *p = buf;
unsigned char const *r = dat.s6_addr;
}
bool
-Ip::Address::GetReverseString4(char buf[MAX_IPSTRLEN], const struct in_addr &dat) const
+Ip::Address::getReverseString4(char buf[MAX_IPSTRLEN], const struct in_addr &dat) const
{
unsigned int i = (unsigned int) ntohl(dat.s_addr);
snprintf(buf, 32, "%u.%u.%u.%u.in-addr.arpa.",
}
bool
-Ip::Address::GetReverseString(char buf[MAX_IPSTRLEN], int show_type) const
+Ip::Address::getReverseString(char buf[MAX_IPSTRLEN], int show_type) const
{
if (show_type == AF_UNSPEC) {
- show_type = IsIPv6() ? AF_INET6 : AF_INET ;
+ show_type = isIPv6() ? AF_INET6 : AF_INET ;
}
- if (show_type == AF_INET && IsIPv4()) {
- struct in_addr* tmp = (struct in_addr*)&m_SocketAddr.sin6_addr.s6_addr[12];
- return GetReverseString4(buf, *tmp);
- } else if ( show_type == AF_INET6 && IsIPv6() ) {
- return GetReverseString6(buf, m_SocketAddr.sin6_addr);
+ if (show_type == AF_INET && isIPv4()) {
+ struct in_addr* tmp = (struct in_addr*)&mSocketAddr_.sin6_addr.s6_addr[12];
+ return getReverseString4(buf, *tmp);
+ } else if ( show_type == AF_INET6 && isIPv6() ) {
+ return getReverseString6(buf, mSocketAddr_.sin6_addr);
}
- debugs(14, DBG_CRITICAL, "Unable to convert '" << NtoA(buf,MAX_IPSTRLEN) << "' to the rDNS type requested.");
+ debugs(14, DBG_CRITICAL, "Unable to convert '" << toStr(buf,MAX_IPSTRLEN) << "' to the rDNS type requested.");
buf[0] = '\0';
return false;
}
-Ip::Address&
-Ip::Address::operator =(const Ip::Address &s)
-{
- memcpy(this, &s, sizeof(Ip::Address));
- return *this;
-};
-
Ip::Address::Address(const char*s)
{
- SetEmpty();
- LookupHostIP(s, true);
+ setEmpty();
+ lookupHostIP(s, true);
}
bool
Ip::Address::operator =(const char* s)
{
- return LookupHostIP(s, true);
+ return lookupHostIP(s, true);
}
bool
Ip::Address::GetHostByName(const char* s)
{
- return LookupHostIP(s, false);
+ return lookupHostIP(s, false);
}
bool
-Ip::Address::LookupHostIP(const char *s, bool nodns)
+Ip::Address::lookupHostIP(const char *s, bool nodns)
{
- int err = 0;
-
- short port = 0;
-
- struct addrinfo *res = NULL;
-
struct addrinfo want;
-
memset(&want, 0, sizeof(struct addrinfo));
if (nodns) {
want.ai_flags = AI_NUMERICHOST; // prevent actual DNS lookups!
}
-#if 0
- else if (!Ip::EnableIpv6)
- want.ai_family = AF_INET; // maybe prevent IPv6 DNS lookups.
-#endif
+ int err = 0;
+ struct addrinfo *res = NULL;
if ( (err = getaddrinfo(s, NULL, &want, &res)) != 0) {
debugs(14,3, HERE << "Given Non-IP '" << s << "': " << gai_strerror(err) );
/* free the memory getaddrinfo() dynamically allocated. */
- if (res) {
+ if (res)
freeaddrinfo(res);
- res = NULL;
- }
return false;
}
+ struct addrinfo *resHead = res; // we need to free the whole list later
+ if (!Ip::EnableIpv6) {
+ // if we are IPv6-disabled, use first-IPv4 instead of first-IP.
+ struct addrinfo *maybeIpv4 = res;
+ while (maybeIpv4) {
+ if (maybeIpv4->ai_family == AF_INET)
+ break;
+ maybeIpv4 = maybeIpv4->ai_next;
+ }
+ if (maybeIpv4 != NULL)
+ res = maybeIpv4;
+ // else IPv6-only host, let the caller deal with first-IP anyway.
+ }
+
/*
* NP: =(sockaddr_*) may alter the port. we don't want that.
* all we have been given as input was an IPA.
*/
- port = GetPort();
+ short portSaved = port();
operator=(*res);
- SetPort(port);
+ port(portSaved);
/* free the memory getaddrinfo() dynamically allocated. */
- freeaddrinfo(res);
-
- res = NULL;
-
+ freeaddrinfo(resHead);
return true;
}
Ip::Address::Address(struct sockaddr_in const &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
};
Ip::Address &
Ip::Address::operator =(struct sockaddr_in const &s)
{
- Map4to6((const in_addr)s.sin_addr, m_SocketAddr.sin6_addr);
- m_SocketAddr.sin6_port = s.sin_port;
- m_SocketAddr.sin6_family = AF_INET6;
+ map4to6((const in_addr)s.sin_addr, mSocketAddr_.sin6_addr);
+ mSocketAddr_.sin6_port = s.sin_port;
+ mSocketAddr_.sin6_family = AF_INET6;
return *this;
};
{
/* some AF_* magic to tell socket types apart and what we need to do */
if (s.ss_family == AF_INET6) {
- memcpy(&m_SocketAddr, &s, sizeof(struct sockaddr_in));
+ memmove(&mSocketAddr_, &s, sizeof(struct sockaddr_in6));
} else { // convert it to our storage mapping.
struct sockaddr_in *sin = (struct sockaddr_in*)&s;
- m_SocketAddr.sin6_port = sin->sin_port;
- Map4to6( sin->sin_addr, m_SocketAddr.sin6_addr);
+ mSocketAddr_.sin6_port = sin->sin_port;
+ map4to6( sin->sin_addr, mSocketAddr_.sin6_addr);
}
return *this;
};
Ip::Address::Address(struct sockaddr_in6 const &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
};
Ip::Address &
Ip::Address::operator =(struct sockaddr_in6 const &s)
{
- memcpy(&m_SocketAddr, &s, sizeof(struct sockaddr_in6));
-
+ memmove(&mSocketAddr_, &s, sizeof(struct sockaddr_in6));
return *this;
};
Ip::Address::Address(struct in_addr const &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
};
Ip::Address &
Ip::Address::operator =(struct in_addr const &s)
{
- Map4to6((const in_addr)s, m_SocketAddr.sin6_addr);
- m_SocketAddr.sin6_family = AF_INET6;
+ map4to6((const in_addr)s, mSocketAddr_.sin6_addr);
+ mSocketAddr_.sin6_family = AF_INET6;
return *this;
};
Ip::Address::Address(struct in6_addr const &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
};
Ip::Address &
Ip::Address::operator =(struct in6_addr const &s)
{
-
- memcpy(&m_SocketAddr.sin6_addr, &s, sizeof(struct in6_addr));
- m_SocketAddr.sin6_family = AF_INET6;
+ memmove(&mSocketAddr_.sin6_addr, &s, sizeof(struct in6_addr));
+ mSocketAddr_.sin6_family = AF_INET6;
return *this;
};
-Ip::Address::Address(const Ip::Address &s)
-{
- SetEmpty();
- operator=(s);
-}
-
-Ip::Address::Address(Ip::Address *s)
-{
- SetEmpty();
- if (s)
- memcpy(this, s, sizeof(Ip::Address));
-}
-
Ip::Address::Address(const struct hostent &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
}
Ip::Address::Address(const struct addrinfo &s)
{
- SetEmpty();
+ setEmpty();
operator=(s);
}
}
void
-Ip::Address::GetAddrInfo(struct addrinfo *&dst, int force) const
+Ip::Address::getAddrInfo(struct addrinfo *&dst, int force) const
{
if (dst == NULL) {
dst = new addrinfo;
memset(dst, 0, sizeof(struct addrinfo));
// set defaults
+ // Mac OS X does not emit a flag indicating the output is numeric (IP address)
+#if _SQUID_APPLE_
+ dst->ai_flags = 0;
+#else
dst->ai_flags = AI_NUMERICHOST;
+#endif
if (dst->ai_socktype == 0)
dst->ai_socktype = SOCK_STREAM;
&& dst->ai_protocol == 0)
dst->ai_protocol = IPPROTO_UDP;
- if (force == AF_INET6 || (force == AF_UNSPEC && Ip::EnableIpv6 && IsIPv6()) ) {
+ if (force == AF_INET6 || (force == AF_UNSPEC && Ip::EnableIpv6 && isIPv6()) ) {
dst->ai_addr = (struct sockaddr*)new sockaddr_in6;
memset(dst->ai_addr,0,sizeof(struct sockaddr_in6));
- GetSockAddr(*((struct sockaddr_in6*)dst->ai_addr));
+ getSockAddr(*((struct sockaddr_in6*)dst->ai_addr));
dst->ai_addrlen = sizeof(struct sockaddr_in6);
dst->ai_protocol = IPPROTO_IPV6;
#endif
- } else if ( force == AF_INET || (force == AF_UNSPEC && IsIPv4()) ) {
+ } else if ( force == AF_INET || (force == AF_UNSPEC && isIPv4()) ) {
dst->ai_addr = (struct sockaddr*)new sockaddr_in;
memset(dst->ai_addr,0,sizeof(struct sockaddr_in));
- GetSockAddr(*((struct sockaddr_in*)dst->ai_addr));
+ getSockAddr(*((struct sockaddr_in*)dst->ai_addr));
dst->ai_addrlen = sizeof(struct sockaddr_in);
}
void
-Ip::Address::InitAddrInfo(struct addrinfo *&ai)
+Ip::Address::InitAddr(struct addrinfo *&ai)
{
if (ai == NULL) {
ai = new addrinfo;
}
void
-Ip::Address::FreeAddrInfo(struct addrinfo *&ai)
+Ip::Address::FreeAddr(struct addrinfo *&ai)
{
if (ai == NULL) return;
int
Ip::Address::matchIPAddr(const Ip::Address &rhs) const
{
- uint8_t *l = (uint8_t*)m_SocketAddr.sin6_addr.s6_addr;
- uint8_t *r = (uint8_t*)rhs.m_SocketAddr.sin6_addr.s6_addr;
+ uint8_t *l = (uint8_t*)mSocketAddr_.sin6_addr.s6_addr;
+ uint8_t *r = (uint8_t*)rhs.mSocketAddr_.sin6_addr.s6_addr;
// loop a byte-wise compare
// NP: match MUST be R-to-L : L-to-R produces inconsistent gt/lt results at varying CIDR
// expected difference on CIDR is gt/eq or lt/eq ONLY.
- for (unsigned int i = 0 ; i < sizeof(m_SocketAddr.sin6_addr) ; ++i) {
+ for (unsigned int i = 0 ; i < sizeof(mSocketAddr_.sin6_addr) ; ++i) {
if (l[i] < r[i])
return -1;
bool
Ip::Address::operator <=(const Ip::Address &rhs) const
{
- if (IsAnyAddr() && !rhs.IsAnyAddr())
+ if (isAnyAddr() && !rhs.isAnyAddr())
return true;
return (matchIPAddr(rhs) <= 0);
bool
Ip::Address::operator >=(const Ip::Address &rhs) const
{
- if (IsNoAddr() && !rhs.IsNoAddr())
+ if (isNoAddr() && !rhs.isNoAddr())
return true;
return ( matchIPAddr(rhs) >= 0);
bool
Ip::Address::operator >(const Ip::Address &rhs) const
{
- if (IsNoAddr() && !rhs.IsNoAddr())
+ if (isNoAddr() && !rhs.isNoAddr())
return true;
return ( matchIPAddr(rhs) > 0);
bool
Ip::Address::operator <(const Ip::Address &rhs) const
{
- if (IsAnyAddr() && !rhs.IsAnyAddr())
+ if (isAnyAddr() && !rhs.isAnyAddr())
return true;
return ( matchIPAddr(rhs) < 0);
}
unsigned short
-Ip::Address::GetPort() const
+Ip::Address::port() const
{
- return ntohs( m_SocketAddr.sin6_port );
+ return ntohs( mSocketAddr_.sin6_port );
}
unsigned short
-Ip::Address::SetPort(unsigned short prt)
+Ip::Address::port(unsigned short prt)
{
- m_SocketAddr.sin6_port = htons(prt);
+ mSocketAddr_.sin6_port = htons(prt);
return prt;
}
/**
- * NtoA Given a buffer writes a readable ascii version of the IPA and/or port stored
+ * toStr Given a buffer writes a readable ascii version of the IPA and/or port stored
*
* Buffer must be of a size large enough to hold the converted address.
* This size is provided in the form of a global defined variable MAX_IPSTRLEN
* A copy of the buffer is also returned for simple immediate display.
*/
char *
-Ip::Address::NtoA(char* buf, const unsigned int blen, int force) const
+Ip::Address::toStr(char* buf, const unsigned int blen, int force) const
{
// Ensure we have a buffer.
if (buf == NULL) {
}
/* some external code may have blindly memset a parent. */
- /* thats okay, our default is known */
- if ( IsAnyAddr() ) {
- if (IsIPv6())
+ /* that's okay, our default is known */
+ if ( isAnyAddr() ) {
+ if (isIPv6())
memcpy(buf,"::\0", min(static_cast<unsigned int>(3),blen));
- else if (IsIPv4())
+ else if (isIPv4())
memcpy(buf,"0.0.0.0\0", min(static_cast<unsigned int>(8),blen));
return buf;
}
/* Pure-IPv6 CANNOT be displayed in IPv4 format. */
/* However IPv4 CAN. */
- if ( force == AF_INET && !IsIPv4() ) {
- if ( IsIPv6() ) {
+ if ( force == AF_INET && !isIPv4() ) {
+ if ( isIPv6() ) {
memcpy(buf, "{!IPv4}\0", min(static_cast<unsigned int>(8),blen));
}
return buf;
}
- if ( force == AF_INET6 || (force == AF_UNSPEC && IsIPv6()) ) {
+ if ( force == AF_INET6 || (force == AF_UNSPEC && isIPv6()) ) {
- inet_ntop(AF_INET6, &m_SocketAddr.sin6_addr, buf, blen);
+ inet_ntop(AF_INET6, &mSocketAddr_.sin6_addr, buf, blen);
- } else if ( force == AF_INET || (force == AF_UNSPEC && IsIPv4()) ) {
+ } else if ( force == AF_INET || (force == AF_UNSPEC && isIPv4()) ) {
struct in_addr tmp;
- GetInAddr(tmp);
+ getInAddr(tmp);
inet_ntop(AF_INET, &tmp, buf, blen);
} else {
debugs(14, DBG_CRITICAL, "WARNING: Corrupt IP Address details OR required to display in unknown format (" <<
}
unsigned int
-Ip::Address::ToHostname(char *buf, const unsigned int blen) const
+Ip::Address::toHostStr(char *buf, const unsigned int blen) const
{
char *p = buf;
- if (IsIPv6() && blen > 0) {
+ if (isIPv6() && blen > 0) {
*p = '[';
++p;
}
/* 8 being space for [ ] : and port digits */
- if ( IsIPv6() )
- NtoA(p, blen-8, AF_INET6);
+ if ( isIPv6() )
+ toStr(p, blen-8, AF_INET6);
else
- NtoA(p, blen-8, AF_INET);
+ toStr(p, blen-8, AF_INET);
// find the end of the new string
while (*p != '\0' && p < buf+blen)
++p;
- if (IsIPv6() && p < (buf+blen-1) ) {
+ if (isIPv6() && p < (buf+blen-1) ) {
*p = ']';
++p;
}
}
char *
-Ip::Address::ToURL(char* buf, unsigned int blen) const
+Ip::Address::toUrl(char* buf, unsigned int blen) const
{
char *p = buf;
return NULL;
}
- p += ToHostname(p, blen);
+ p += toHostStr(p, blen);
- if (m_SocketAddr.sin6_port > 0 && p <= (buf+blen-7) ) {
+ if (mSocketAddr_.sin6_port > 0 && p <= (buf+blen-7) ) {
// ':port' (short int) needs at most 6 bytes plus 1 for 0-terminator
- snprintf(p, 7, ":%d", GetPort() );
+ snprintf(p, 7, ":%d", port() );
}
// force a null-terminated string
return buf;
}
+bool
+Ip::Address::fromHost(const char *host)
+{
+ setEmpty();
+
+ if (!host)
+ return false;
+
+ if (host[0] != '[')
+ return lookupHostIP(host, true); // no brackets
+
+ /* unwrap a bracketed [presumably IPv6] address, presumably without port */
+
+ const char *start = host + 1;
+ if (!*start)
+ return false; // missing address after an opening bracket
+
+ // XXX: Check that there is a closing bracket and no trailing garbage.
+
+ char *tmp = xstrdup(start); // XXX: Slow. TODO: Bail on huge strings and use an on-stack buffer.
+ tmp[strlen(tmp)-1] = '\0'; // XXX: Wasteful: xstrdup() just did strlen().
+ const bool result = lookupHostIP(tmp, true);
+ xfree(tmp);
+ return result;
+}
+
void
-Ip::Address::GetSockAddr(struct sockaddr_storage &addr, const int family) const
+Ip::Address::getSockAddr(struct sockaddr_storage &addr, const int family) const
{
struct sockaddr_in *sin = NULL;
- if ( family == AF_INET && !IsIPv4()) {
- // FIXME INET6: caller using the wrong socket type!
- debugs(14, DBG_CRITICAL, HERE << "Ip::Address::GetSockAddr : Cannot convert non-IPv4 to IPv4. from " << *this);
+ if ( family == AF_INET && !isIPv4()) {
+ // TODO INET6: caller using the wrong socket type!
+ debugs(14, DBG_CRITICAL, HERE << "Ip::Address::getSockAddr : Cannot convert non-IPv4 to IPv4. from " << *this);
assert(false);
}
- if ( family == AF_INET6 || (family == AF_UNSPEC && IsIPv6()) ) {
+ if ( family == AF_INET6 || (family == AF_UNSPEC && isIPv6()) ) {
struct sockaddr_in6 *ss6 = (struct sockaddr_in6*)&addr;
- GetSockAddr(*ss6);
- } else if ( family == AF_INET || (family == AF_UNSPEC && IsIPv4()) ) {
+ getSockAddr(*ss6);
+ } else if ( family == AF_INET || (family == AF_UNSPEC && isIPv4()) ) {
sin = (struct sockaddr_in*)&addr;
- GetSockAddr(*sin);
+ getSockAddr(*sin);
} else {
IASSERT("false",false);
}
}
void
-Ip::Address::GetSockAddr(struct sockaddr_in &buf) const
+Ip::Address::getSockAddr(struct sockaddr_in &buf) const
{
- if ( IsIPv4() ) {
+ if ( isIPv4() ) {
buf.sin_family = AF_INET;
- buf.sin_port = m_SocketAddr.sin6_port;
- Map6to4( m_SocketAddr.sin6_addr, buf.sin_addr);
+ buf.sin_port = mSocketAddr_.sin6_port;
+ map6to4( mSocketAddr_.sin6_addr, buf.sin_addr);
} else {
- debugs(14, DBG_CRITICAL, HERE << "Ip::Address::GetSockAddr : Cannot convert non-IPv4 to IPv4. from " << *this );
+ debugs(14, DBG_CRITICAL, HERE << "Ip::Address::getSockAddr : Cannot convert non-IPv4 to IPv4. from " << *this );
memset(&buf,0xFFFFFFFF,sizeof(struct sockaddr_in));
assert(false);
}
void
-Ip::Address::GetSockAddr(struct sockaddr_in6 &buf) const
+Ip::Address::getSockAddr(struct sockaddr_in6 &buf) const
{
- memcpy(&buf, &m_SocketAddr, sizeof(struct sockaddr_in6));
+ memmove(&buf, &mSocketAddr_, sizeof(struct sockaddr_in6));
/* maintain address family. It may have changed inside us. */
buf.sin6_family = AF_INET6;
}
void
-Ip::Address::Map4to6(const struct in_addr &in, struct in6_addr &out) const
+Ip::Address::map4to6(const struct in_addr &in, struct in6_addr &out) const
{
/* check for special cases */
}
void
-Ip::Address::Map6to4(const struct in6_addr &in, struct in_addr &out) const
+Ip::Address::map6to4(const struct in6_addr &in, struct in_addr &out) const
{
/* ANYADDR */
/* NOADDR */
}
void
-Ip::Address::GetInAddr(in6_addr &buf) const
+Ip::Address::getInAddr(struct in6_addr &buf) const
{
- memcpy(&buf, &m_SocketAddr.sin6_addr, sizeof(struct in6_addr));
+ memmove(&buf, &mSocketAddr_.sin6_addr, sizeof(struct in6_addr));
}
bool
-Ip::Address::GetInAddr(struct in_addr &buf) const
+Ip::Address::getInAddr(struct in_addr &buf) const
{
- if ( IsIPv4() ) {
- Map6to4((const in6_addr)m_SocketAddr.sin6_addr, buf);
+ if ( isIPv4() ) {
+ map6to4(mSocketAddr_.sin6_addr, buf);
return true;
}
// default:
// non-compatible IPv6 Pure Address
- debugs(14, DBG_IMPORTANT, HERE << "Ip::Address::GetInAddr : Cannot convert non-IPv4 to IPv4. IPA=" << *this);
+ debugs(14, DBG_IMPORTANT, HERE << "Ip::Address::getInAddr : Cannot convert non-IPv4 to IPv4. IPA=" << *this);
memset(&buf,0xFFFFFFFF,sizeof(struct in_addr));
assert(false);
return false;
}
+