-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd 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, version 2.
*
- * ---------------------------------------------------
+ * 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, see <http://www.gnu.org/licenses/>.
*/
-/* $Core */
#include "inspircd.h"
#include "socket.h"
memset(&servaddr, 0, sizeof(servaddr));
servaddr.in4.sin_family = AF_INET;
}
- else if (!irc::sockets::aptosa(addr, port, &servaddr))
+ else if (!irc::sockets::aptosa(addr, port, servaddr))
return false;
- ret = SE->Bind(sockfd, &servaddr.sa, sa_size(servaddr));
+ ret = SE->Bind(sockfd, servaddr);
if (ret < 0)
{
}
}
-// Open a TCP Socket
-int irc::sockets::OpenTCPSocket(const std::string& addr, int socktype)
-{
- int sockfd;
- int on = 1;
- struct linger linger = { 0, 0 };
- if (addr.empty())
- {
-#ifdef IPV6
- sockfd = socket (PF_INET6, socktype, 0);
- if (sockfd < 0)
-#endif
- sockfd = socket (PF_INET, socktype, 0);
- }
- else if (addr.find(':') != std::string::npos)
- sockfd = socket (PF_INET6, socktype, 0);
- else
- sockfd = socket (PF_INET, socktype, 0);
-
- if (sockfd < 0)
- {
- return ERROR;
- }
- else
- {
- /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
- linger.l_onoff = 1;
- linger.l_linger = 1;
-#ifdef WINDOWS
- insp_setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
- insp_setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger));
-#elif
- setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
- setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger));
-#endif
- return (sockfd);
- }
-}
-
-// XXX: it would be VERY nice to genericize this so all listen stuff (server/client) could use the one function. -- w00t
int InspIRCd::BindPorts(FailedPortList &failed_ports)
{
- char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF], Desc[MAXBUF];
int bound = 0;
- std::vector<ListenSocketBase*> old_ports(ports.begin(), ports.end());
+ std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
- for (int count = 0; count < Config->ConfValueEnum("bind"); count++)
+ ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
+ for(ConfigIter i = tags.first; i != tags.second; ++i)
{
- Config->ConfValue("bind", "port", count, configToken, MAXBUF);
- Config->ConfValue("bind", "address", count, Addr, MAXBUF);
- Config->ConfValue("bind", "type", count, Type, MAXBUF);
- Config->ConfValue("bind", "ssl", count, Desc, MAXBUF);
+ ConfigTag* tag = i->second;
+ std::string porttag = tag->getString("port");
+ std::string Addr = tag->getString("address");
- if (strncmp(Addr, "::ffff:", 7) == 0)
+ if (strncasecmp(Addr.c_str(), "::ffff:", 7) == 0)
this->Logs->Log("SOCKET",DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
- if ((!*Type) || (!strcmp(Type,"clients")))
+ irc::portparser portrange(porttag, false);
+ int portno = -1;
+ while (0 != (portno = portrange.GetToken()))
{
- irc::portparser portrange(configToken, false);
- int portno = -1;
- while (0 != (portno = portrange.GetToken()))
- {
- if (*Addr == '*')
- *Addr = 0;
+ irc::sockets::sockaddrs bindspec;
+ if (!irc::sockets::aptosa(Addr, portno, bindspec))
+ continue;
+ std::string bind_readable = bindspec.str();
- irc::sockets::sockaddrs bindspec;
- irc::sockets::aptosa(Addr, portno, &bindspec);
- std::string bind_readable = irc::sockets::satouser(&bindspec);
+ bool skip = false;
+ for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
+ {
+ if ((**n).bind_desc == bind_readable)
+ {
+ (*n)->bind_tag = tag; // Replace tag, we know addr and port match, but other info (type, ssl) may not
+ skip = true;
+ old_ports.erase(n);
+ break;
+ }
+ }
+ if (!skip)
+ {
+ ListenSocket* ll = new ListenSocket(tag, bindspec);
- bool skip = false;
- for (std::vector<ListenSocketBase *>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
+ if (ll->GetFd() > -1)
{
- if ((*n)->GetBindDesc() == bind_readable)
- {
- skip = true;
- old_ports.erase(n);
- break;
- }
+ bound++;
+ ports.push_back(ll);
}
- if (!skip)
+ else
{
- ClientListenSocket *ll = new ClientListenSocket(portno, Addr, "clients", *Desc ? Desc : "plaintext");
- if (ll->GetFd() > -1)
- {
- bound++;
- ports.push_back(ll);
- }
- else
- {
- failed_ports.push_back(std::make_pair(bind_readable, strerror(errno)));
- delete ll;
- }
+ failed_ports.push_back(std::make_pair(bind_readable, strerror(errno)));
+ delete ll;
}
}
}
}
- std::vector<ListenSocketBase *>::iterator n = ports.begin();
- for (std::vector<ListenSocketBase *>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
+ std::vector<ListenSocket*>::iterator n = ports.begin();
+ for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
{
while (n != ports.end() && *n != *o)
n++;
if (n == ports.end())
{
- this->Logs->Log("SOCKET",ERROR,"Port bindings slipped out of vector, aborting close!");
+ this->Logs->Log("SOCKET",DEFAULT,"Port bindings slipped out of vector, aborting close!");
break;
}
this->Logs->Log("SOCKET",DEFAULT, "Port binding %s was removed from the config file, closing.",
- (*n)->GetBindDesc().c_str());
+ (**n).bind_desc.c_str());
delete *n;
// this keeps the iterator valid, pointing to the next element
return bound;
}
-bool irc::sockets::aptosa(const std::string& addr, int port, irc::sockets::sockaddrs* sa)
+bool irc::sockets::aptosa(const std::string& addr, int port, irc::sockets::sockaddrs& sa)
{
- memset(sa, 0, sizeof(*sa));
- if (addr.empty())
+ memset(&sa, 0, sizeof(sa));
+ if (addr.empty() || addr.c_str()[0] == '*')
{
-#ifdef IPV6
- sa->in6.sin6_family = AF_INET6;
- sa->in6.sin6_port = htons(port);
-#else
- sa->in4.sin_family = AF_INET;
- sa->in4.sin_port = htons(port);
-#endif
+ if (ServerInstance->Config->WildcardIPv6)
+ {
+ sa.in6.sin6_family = AF_INET6;
+ sa.in6.sin6_port = htons(port);
+ }
+ else
+ {
+ sa.in4.sin_family = AF_INET;
+ sa.in4.sin_port = htons(port);
+ }
return true;
}
- else if (inet_pton(AF_INET, addr.c_str(), &sa->in4.sin_addr) > 0)
+ else if (inet_pton(AF_INET, addr.c_str(), &sa.in4.sin_addr) > 0)
{
- sa->in4.sin_family = AF_INET;
- sa->in4.sin_port = htons(port);
+ sa.in4.sin_family = AF_INET;
+ sa.in4.sin_port = htons(port);
return true;
}
- else if (inet_pton(AF_INET6, addr.c_str(), &sa->in6.sin6_addr) > 0)
+ else if (inet_pton(AF_INET6, addr.c_str(), &sa.in6.sin6_addr) > 0)
{
- sa->in6.sin6_family = AF_INET6;
- sa->in6.sin6_port = htons(port);
+ sa.in6.sin6_family = AF_INET6;
+ sa.in6.sin6_port = htons(port);
return true;
}
return false;
}
-bool irc::sockets::satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port) {
+int irc::sockets::sockaddrs::port() const
+{
+ if (sa.sa_family == AF_INET)
+ return ntohs(in4.sin_port);
+ if (sa.sa_family == AF_INET6)
+ return ntohs(in6.sin6_port);
+ return -1;
+}
+
+std::string irc::sockets::sockaddrs::addr() const
+{
char addrv[INET6_ADDRSTRLEN+1];
- if (sa->sa.sa_family == AF_INET)
+ if (sa.sa_family == AF_INET)
{
- if (!inet_ntop(AF_INET, &sa->in4.sin_addr, addrv, sizeof(addrv)))
- return false;
- addr = addrv;
- port = ntohs(sa->in4.sin_port);
- return true;
+ if (!inet_ntop(AF_INET, &in4.sin_addr, addrv, sizeof(addrv)))
+ return "";
+ return addrv;
}
- else if (sa->sa.sa_family == AF_INET6)
+ else if (sa.sa_family == AF_INET6)
{
- if (!inet_ntop(AF_INET6, &sa->in6.sin6_addr, addrv, sizeof(addrv)))
- return false;
- addr = addrv;
- port = ntohs(sa->in6.sin6_port);
- return true;
+ if (!inet_ntop(AF_INET6, &in6.sin6_addr, addrv, sizeof(addrv)))
+ return "";
+ return addrv;
}
- return false;
+ return "";
}
-static const char all_zero[16] = {0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0 };
+bool irc::sockets::satoap(const irc::sockets::sockaddrs& sa, std::string& addr, int &port)
+{
+ port = sa.port();
+ addr = sa.addr();
+ return !addr.empty();
+}
-std::string irc::sockets::satouser(const irc::sockets::sockaddrs* sa) {
+std::string irc::sockets::sockaddrs::str() const
+{
char buffer[MAXBUF];
- if (sa->sa.sa_family == AF_INET)
+ if (sa.sa_family == AF_INET)
{
- if (sa->in4.sin_addr.s_addr == 0)
- {
- sprintf(buffer, "*:%u", ntohs(sa->in4.sin_port));
- }
- else
- {
- const uint8_t* bits = reinterpret_cast<const uint8_t*>(&sa->in4.sin_addr);
- sprintf(buffer, "%d.%d.%d.%d:%u", bits[0], bits[1], bits[2], bits[3], ntohs(sa->in4.sin_port));
- }
+ const uint8_t* bits = reinterpret_cast<const uint8_t*>(&in4.sin_addr);
+ sprintf(buffer, "%d.%d.%d.%d:%u", bits[0], bits[1], bits[2], bits[3], ntohs(in4.sin_port));
}
- else if (sa->sa.sa_family == AF_INET6)
+ else if (sa.sa_family == AF_INET6)
{
- if (!memcmp(all_zero, &sa->in6.sin6_addr, 16))
- {
- sprintf(buffer, "*:%u", ntohs(sa->in6.sin6_port));
- }
- else
- {
- buffer[0] = '[';
- if (!inet_ntop(AF_INET6, &sa->in6.sin6_addr, buffer+1, MAXBUF - 10))
- return "<unknown>"; // should never happen, buffer is large enough
- int len = strlen(buffer);
- // no need for snprintf, buffer has at least 9 chars left, max short len = 5
- sprintf(buffer + len, "]:%u", ntohs(sa->in6.sin6_port));
- }
+ buffer[0] = '[';
+ if (!inet_ntop(AF_INET6, &in6.sin6_addr, buffer+1, MAXBUF - 10))
+ return "<unknown>"; // should never happen, buffer is large enough
+ int len = strlen(buffer);
+ // no need for snprintf, buffer has at least 9 chars left, max short len = 5
+ sprintf(buffer + len, "]:%u", ntohs(in6.sin6_port));
}
else
return "<unknown>";
return std::string(buffer);
}
-int irc::sockets::sa_size(const irc::sockets::sockaddrs& sa)
+int irc::sockets::sockaddrs::sa_size() const
{
- if (sa.sa.sa_family == AF_INET)
- return sizeof(sa.in4);
- if (sa.sa.sa_family == AF_INET6)
- return sizeof(sa.in6);
+ if (sa.sa_family == AF_INET)
+ return sizeof(in4);
+ if (sa.sa_family == AF_INET6)
+ return sizeof(in6);
return 0;
}
+
+bool irc::sockets::sockaddrs::operator==(const irc::sockets::sockaddrs& other) const
+{
+ if (sa.sa_family != other.sa.sa_family)
+ return false;
+ if (sa.sa_family == AF_INET)
+ return (in4.sin_port == other.in4.sin_port) && (in4.sin_addr.s_addr == other.in4.sin_addr.s_addr);
+ if (sa.sa_family == AF_INET6)
+ return (in6.sin6_port == other.in6.sin6_port) && !memcmp(in6.sin6_addr.s6_addr, other.in6.sin6_addr.s6_addr, 16);
+ return !memcmp(this, &other, sizeof(*this));
+}
+
+static void sa2cidr(irc::sockets::cidr_mask& cidr, const irc::sockets::sockaddrs& sa, int range)
+{
+ const unsigned char* base;
+ unsigned char target_byte;
+ cidr.type = sa.sa.sa_family;
+
+ memset(cidr.bits, 0, sizeof(cidr.bits));
+
+ if (cidr.type == AF_INET)
+ {
+ target_byte = sizeof(sa.in4.sin_addr);
+ base = (unsigned char*)&sa.in4.sin_addr;
+ if (range > 32)
+ range = 32;
+ }
+ else if (cidr.type == AF_INET6)
+ {
+ target_byte = sizeof(sa.in6.sin6_addr);
+ base = (unsigned char*)&sa.in6.sin6_addr;
+ if (range > 128)
+ range = 128;
+ }
+ else
+ {
+ cidr.length = 0;
+ return;
+ }
+ cidr.length = range;
+ unsigned int border = range / 8;
+ unsigned int bitmask = (0xFF00 >> (range & 7)) & 0xFF;
+ for(unsigned int i=0; i < target_byte; i++)
+ {
+ if (i < border)
+ cidr.bits[i] = base[i];
+ else if (i == border)
+ cidr.bits[i] = base[i] & bitmask;
+ else
+ return;
+ }
+}
+
+irc::sockets::cidr_mask::cidr_mask(const irc::sockets::sockaddrs& sa, int range)
+{
+ sa2cidr(*this, sa, range);
+}
+
+irc::sockets::cidr_mask::cidr_mask(const std::string& mask)
+{
+ std::string::size_type bits_chars = mask.rfind('/');
+ irc::sockets::sockaddrs sa;
+
+ if (bits_chars == std::string::npos)
+ {
+ irc::sockets::aptosa(mask, 0, sa);
+ sa2cidr(*this, sa, 128);
+ }
+ else
+ {
+ int range = ConvToInt(mask.substr(bits_chars + 1));
+ irc::sockets::aptosa(mask.substr(0, bits_chars), 0, sa);
+ sa2cidr(*this, sa, range);
+ }
+}
+
+std::string irc::sockets::cidr_mask::str() const
+{
+ irc::sockets::sockaddrs sa;
+ sa.sa.sa_family = type;
+ unsigned char* base;
+ int len;
+ if (type == AF_INET)
+ {
+ base = (unsigned char*)&sa.in4.sin_addr;
+ len = 4;
+ }
+ else if (type == AF_INET6)
+ {
+ base = (unsigned char*)&sa.in6.sin6_addr;
+ len = 16;
+ }
+ else
+ return "";
+ memcpy(base, bits, len);
+ return sa.addr() + "/" + ConvToStr((int)length);
+}
+
+bool irc::sockets::cidr_mask::operator==(const cidr_mask& other) const
+{
+ return type == other.type && length == other.length &&
+ 0 == memcmp(bits, other.bits, 16);
+}
+
+bool irc::sockets::cidr_mask::operator<(const cidr_mask& other) const
+{
+ if (type != other.type)
+ return type < other.type;
+ if (length != other.length)
+ return length < other.length;
+ return memcmp(bits, other.bits, 16) < 0;
+}
+
+bool irc::sockets::cidr_mask::match(const irc::sockets::sockaddrs& addr) const
+{
+ if (addr.sa.sa_family != type)
+ return false;
+ irc::sockets::cidr_mask tmp(addr, length);
+ return tmp == *this;
+}
+
projects / user / henk / code / inspircd.git / blobdiff