-/* +------------------------------------+
- * | 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) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2013, 2017-2021 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2011 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007 John Brooks <special@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Craig Edwards <brain@inspircd.org>
*
- * 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"
-#include "socketengine.h"
-using irc::sockets::sockaddrs;
-/** This will bind a socket to a port. It works for UDP/TCP.
- * It can only bind to IP addresses, if you wish to bind to hostnames
- * you should first resolve them using class 'Resolver'.
- */
-bool InspIRCd::BindSocket(int sockfd, int port, const char* addr, bool dolisten)
+bool InspIRCd::BindPort(ConfigTag* tag, const irc::sockets::sockaddrs& sa, std::vector<ListenSocket*>& old_ports)
{
- sockaddrs servaddr;
- int ret;
-
- if (*addr == '*')
- addr = "";
-
- if (*addr)
- {
- irc::sockets::aptosa(addr, port, &servaddr);
- }
- else
+ for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
{
- memset(&servaddr, 0, sizeof(servaddr));
- if (port == -1)
- {
- /* Port -1: Means UDP IPV4 port binding - Special case
- * used by DNS engine.
- */
- servaddr.in4.sin_family = AF_INET;
- }
- else
+ if ((**n).bind_sa == sa)
{
- /* No address */
-#ifdef IPV6
- /* Default to ipv6 bind to all */
- servaddr.in6.sin6_family = AF_INET6;
- servaddr.in6.sin6_port = htons(port);
-#else
- /* Bind ipv4 to all */
- servaddr.in4.sin_family = AF_INET;
- servaddr.in4.sin_port = htons(port);
-#endif
+ // Replace tag, we know addr and port match, but other info (type, ssl) may not.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "Replacing listener on %s from old tag at %s with new tag from %s",
+ sa.str().c_str(), (*n)->bind_tag->getTagLocation().c_str(), tag->getTagLocation().c_str());
+ (*n)->bind_tag = tag;
+ (*n)->ResetIOHookProvider();
+
+ old_ports.erase(n);
+ return true;
}
}
- ret = SE->Bind(sockfd, &servaddr.sa, sa_size(servaddr));
- if (ret < 0)
+ ListenSocket* ll = new ListenSocket(tag, sa);
+ if (!ll->HasFd())
{
+ ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "Failed to listen on %s from tag at %s: %s",
+ sa.str().c_str(), tag->getTagLocation().c_str(), strerror(errno));
+ delete ll;
return false;
}
- else
+
+ ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "Added a listener on %s from tag at %s", sa.str().c_str(), tag->getTagLocation().c_str());
+ ports.push_back(ll);
+ return true;
+}
+
+size_t InspIRCd::BindPorts(FailedPortList& failed_ports)
+{
+ size_t bound = 0;
+ std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
+
+ ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
+ for (ConfigIter i = tags.first; i != tags.second; ++i)
{
- if (dolisten)
+ ConfigTag* tag = i->second;
+
+ // Are we creating a TCP/IP listener?
+ const std::string address = tag->getString("address");
+ const std::string portlist = tag->getString("port");
+ if (!address.empty() || !portlist.empty())
{
- if (SE->Listen(sockfd, Config->MaxConn) == -1)
+ // InspIRCd supports IPv4 and IPv6 natively; no 4in6 required.
+ if (strncasecmp(address.c_str(), "::ffff:", 7) == 0)
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
+
+ // A TCP listener with no ports is not very useful.
+ if (portlist.empty())
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "TCP listener on %s at %s has no ports specified!",
+ address.empty() ? "*" : address.c_str(), tag->getTagLocation().c_str());
+
+ irc::portparser portrange(portlist, false);
+ for (int port; (port = portrange.GetToken()); )
{
- this->Logs->Log("SOCKET",DEFAULT,"ERROR in listen(): %s",strerror(errno));
- return false;
+ irc::sockets::sockaddrs bindspec;
+ if (!irc::sockets::aptosa(address, port, bindspec))
+ continue;
+
+ if (!BindPort(tag, bindspec, old_ports))
+ failed_ports.push_back(FailedPort(errno, bindspec, tag));
+ else
+ bound++;
}
- else
+ continue;
+ }
+
+#ifndef _WIN32
+ // Are we creating a UNIX listener?
+ const std::string path = tag->getString("path");
+ if (!path.empty())
+ {
+ // Expand the path relative to the config directory.
+ const std::string fullpath = ServerInstance->Config->Paths.PrependRuntime(path);
+
+ // UNIX socket paths are length limited to less than PATH_MAX.
+ irc::sockets::sockaddrs bindspec;
+ if (fullpath.length() > std::min(ServerInstance->Config->Limits.MaxHost, sizeof(bindspec.un.sun_path) - 1))
{
- this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
- SE->NonBlocking(sockfd);
- return true;
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "UNIX listener on %s at %s specified a path that is too long!",
+ fullpath.c_str(), tag->getTagLocation().c_str());
+ continue;
}
+
+ // Check for characters which are problematic in the IRC message format.
+ if (fullpath.find_first_of("\n\r\t!@: ") != std::string::npos)
+ {
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "UNIX listener on %s at %s specified a path containing invalid characters!",
+ fullpath.c_str(), tag->getTagLocation().c_str());
+ continue;
+ }
+
+ irc::sockets::untosa(fullpath, bindspec);
+ if (!BindPort(tag, bindspec, old_ports))
+ failed_ports.push_back(FailedPort(errno, bindspec, tag));
+ else
+ bound++;
}
- else
+#endif
+ }
+
+ 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",DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
- return true;
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
+ break;
}
+
+ this->Logs->Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
+ (**n).bind_sa.str().c_str());
+ delete *n;
+
+ // this keeps the iterator valid, pointing to the next element
+ n = ports.erase(n);
}
+
+ return bound;
}
-// Open a TCP Socket
-int irc::sockets::OpenTCPSocket(const char* addr, int socktype)
+bool irc::sockets::aptosa(const std::string& addr, int port, irc::sockets::sockaddrs& sa)
{
- int sockfd;
- int on = 1;
- addr = addr;
- struct linger linger = { 0, 0 };
- if (!*addr)
+ memset(&sa, 0, sizeof(sa));
+ if (addr.empty() || addr.c_str()[0] == '*')
{
-#ifdef IPV6
- sockfd = socket (PF_INET6, socktype, 0);
- if (sockfd < 0)
-#endif
- sockfd = socket (PF_INET, socktype, 0);
+ 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 (strchr(addr,':'))
- sockfd = socket (PF_INET6, socktype, 0);
- else
- sockfd = socket (PF_INET, socktype, 0);
-
- if (sockfd < 0)
+ else if (inet_pton(AF_INET, addr.c_str(), &sa.in4.sin_addr) > 0)
{
- return ERROR;
+ sa.in4.sin_family = AF_INET;
+ sa.in4.sin_port = htons(port);
+ return true;
}
- else
+ else if (inet_pton(AF_INET6, addr.c_str(), &sa.in6.sin6_addr) > 0)
{
- setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
- /* 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;
- setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger));
- return (sockfd);
+ sa.in6.sin6_family = AF_INET6;
+ sa.in6.sin6_port = htons(port);
+ return true;
}
+ return false;
+}
+
+bool irc::sockets::untosa(const std::string& path, irc::sockets::sockaddrs& sa)
+{
+ memset(&sa, 0, sizeof(sa));
+ if (path.length() >= sizeof(sa.un.sun_path))
+ return false;
+
+ sa.un.sun_family = AF_UNIX;
+ memcpy(&sa.un.sun_path, path.c_str(), path.length() + 1);
+ return true;
}
-// 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)
+bool irc::sockets::isunix(const std::string& file)
{
- char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF], Desc[MAXBUF];
- int bound = 0;
- bool started_with_nothing = (ports.size() == 0);
- std::vector<std::pair<std::string, int> > old_ports;
+#ifndef _WIN32
+ struct stat sb;
+ if (stat(file.c_str(), &sb) == 0 && S_ISSOCK(sb.st_mode))
+ return true;
+#endif
+ return false;
+}
- /* XXX: Make a copy of the old ip/port pairs here */
- for (std::vector<ListenSocketBase *>::iterator o = ports.begin(); o != ports.end(); ++o)
- old_ports.push_back(make_pair((*o)->GetIP(), (*o)->GetPort()));
- for (int count = 0; count < Config->ConfValueEnum("bind"); count++)
+int irc::sockets::sockaddrs::family() const
+{
+ return sa.sa_family;
+}
+
+int irc::sockets::sockaddrs::port() const
+{
+ switch (family())
{
- 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);
+ case AF_INET:
+ return ntohs(in4.sin_port);
- if (strncmp(Addr, "::ffff:", 7) == 0)
- this->Logs->Log("SOCKET",DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
+ case AF_INET6:
+ return ntohs(in6.sin6_port);
- if ((!*Type) || (!strcmp(Type,"clients")))
- {
- irc::portparser portrange(configToken, false);
- int portno = -1;
- while (0 != (portno = portrange.GetToken()))
- {
- if (*Addr == '*')
- *Addr = 0;
-
- bool skip = false;
- for (std::vector<ListenSocketBase *>::iterator n = ports.begin(); n != ports.end(); ++n)
- {
- if (((*n)->GetIP() == Addr) && ((*n)->GetPort() == portno))
- {
- skip = true;
- /* XXX: Here, erase from our copy of the list */
- for (std::vector<std::pair<std::string, int> >::iterator k = old_ports.begin(); k != old_ports.end(); ++k)
- {
- if ((k->first == Addr) && (k->second == portno))
- {
- old_ports.erase(k);
- break;
- }
- }
- }
- }
- if (!skip)
- {
- ClientListenSocket *ll = new ClientListenSocket(this, portno, Addr);
- if (ll->GetFd() > -1)
- {
- bound++;
- ll->SetDescription(*Desc ? Desc : "plaintext");
- ports.push_back(ll);
- }
- else
- {
- failed_ports.push_back(std::make_pair((*Addr ? Addr : "*") + std::string(":") + ConvToStr(portno), strerror(errno)));
- }
- }
- }
- }
+ case AF_UNIX:
+ return 0;
}
- /* XXX: Here, anything left in our copy list, close as removed */
- if (!started_with_nothing)
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::port(): socket type %d is unknown!", family());
+ return 0;
+}
+
+std::string irc::sockets::sockaddrs::addr() const
+{
+ switch (family())
{
- for (size_t k = 0; k < old_ports.size(); ++k)
- {
- for (std::vector<ListenSocketBase *>::iterator n = ports.begin(); n != ports.end(); ++n)
- {
- if (((*n)->GetIP() == old_ports[k].first) && ((*n)->GetPort() == old_ports[k].second))
- {
- this->Logs->Log("SOCKET",DEFAULT,"Port binding %s:%d was removed from the config file, closing.", old_ports[k].first.c_str(), old_ports[k].second);
- delete *n;
- ports.erase(n);
- break;
- }
- }
- }
+ case AF_INET:
+ char ip4addr[INET_ADDRSTRLEN];
+ if (!inet_ntop(AF_INET, (void*)&in4.sin_addr, ip4addr, sizeof(ip4addr)))
+ return "0.0.0.0";
+ return ip4addr;
+
+ case AF_INET6:
+ char ip6addr[INET6_ADDRSTRLEN];
+ if (!inet_ntop(AF_INET6, (void*)&in6.sin6_addr, ip6addr, sizeof(ip6addr)))
+ return "0:0:0:0:0:0:0:0";
+ return ip6addr;
+
+ case AF_UNIX:
+ return un.sun_path;
}
- return bound;
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::addr(): socket type %d is unknown!", family());
+ return "<unknown>";
}
-bool irc::sockets::aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa)
+std::string irc::sockets::sockaddrs::str() const
{
- memset(sa, 0, sizeof(*sa));
- if (!addr || !*addr)
+ switch (family())
{
-#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
- return true;
+ case AF_INET:
+ char ip4addr[INET_ADDRSTRLEN];
+ if (!inet_ntop(AF_INET, (void*)&in4.sin_addr, ip4addr, sizeof(ip4addr)))
+ strcpy(ip4addr, "0.0.0.0");
+ return InspIRCd::Format("%s:%u", ip4addr, ntohs(in4.sin_port));
+
+ case AF_INET6:
+ char ip6addr[INET6_ADDRSTRLEN];
+ if (!inet_ntop(AF_INET6, (void*)&in6.sin6_addr, ip6addr, sizeof(ip6addr)))
+ strcpy(ip6addr, "0:0:0:0:0:0:0:0");
+ return InspIRCd::Format("[%s]:%u", ip6addr, ntohs(in6.sin6_port));
+
+ case AF_UNIX:
+ return un.sun_path;
}
- else if (inet_pton(AF_INET, addr, &sa->in4.sin_addr) > 0)
+
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::str(): socket type %d is unknown!", family());
+ return "<unknown>";
+}
+
+socklen_t irc::sockets::sockaddrs::sa_size() const
+{
+ switch (family())
{
- sa->in4.sin_family = AF_INET;
- sa->in4.sin_port = htons(port);
- return true;
+ case AF_INET:
+ return sizeof(in4);
+
+ case AF_INET6:
+ return sizeof(in6);
+
+ case AF_UNIX:
+ return sizeof(un);
}
- else if (inet_pton(AF_INET6, addr, &sa->in6.sin6_addr) > 0)
+
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::sa_size(): socket type %d is unknown!", family());
+ return 0;
+}
+
+bool irc::sockets::sockaddrs::operator==(const irc::sockets::sockaddrs& other) const
+{
+ if (family() != other.family())
+ return false;
+
+ switch (family())
{
- sa->in6.sin6_family = AF_INET6;
- sa->in6.sin6_port = htons(port);
- return true;
+ case AF_INET:
+ return (in4.sin_port == other.in4.sin_port) && (in4.sin_addr.s_addr == other.in4.sin_addr.s_addr);
+
+ case AF_INET6:
+ return (in6.sin6_port == other.in6.sin6_port) && !memcmp(in6.sin6_addr.s6_addr, other.in6.sin6_addr.s6_addr, 16);
+
+ case AF_UNIX:
+ return !strcmp(un.sun_path, other.un.sun_path);
}
- return false;
+
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::operator==(): socket type %d is unknown!", family());
+ return !memcmp(this, &other, sizeof(*this));
}
-bool irc::sockets::satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port) {
- char addrv[INET6_ADDRSTRLEN+1];
- if (sa->sa.sa_family == AF_INET)
+static void sa2cidr(irc::sockets::cidr_mask& cidr, const irc::sockets::sockaddrs& sa, unsigned char range)
+{
+ const unsigned char* base;
+ unsigned char target_byte;
+
+ memset(cidr.bits, 0, sizeof(cidr.bits));
+
+ cidr.type = sa.family();
+ switch (cidr.type)
{
- if (!inet_ntop(AF_INET, &sa->in4.sin_addr, addrv, sizeof(addrv)))
- return false;
- addr = addrv;
- port = ntohs(sa->in4.sin_port);
- return true;
+ case AF_UNIX:
+ // XXX: UNIX sockets don't support CIDR. This fix is non-ideal but I can't
+ // really think of another way to handle it.
+ cidr.length = 0;
+ return;
+
+ case AF_INET:
+ cidr.length = range > 32 ? 32 : range;
+ target_byte = sizeof(sa.in4.sin_addr);
+ base = (unsigned char*)&sa.in4.sin_addr;
+ break;
+
+ case AF_INET6:
+ cidr.length = range > 128 ? 128 : range;
+ target_byte = sizeof(sa.in6.sin6_addr);
+ base = (unsigned char*)&sa.in6.sin6_addr;
+ break;
+
+ default:
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: sa2cidr(): socket type %d is unknown!", cidr.type);
+ cidr.length = 0;
+ return;
}
- else if (sa->sa.sa_family == AF_INET6)
+
+ unsigned int border = cidr.length / 8;
+ unsigned int bitmask = (0xFF00 >> (range & 7)) & 0xFF;
+ for(unsigned int i=0; i < target_byte; i++)
{
- 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 (i < border)
+ cidr.bits[i] = base[i];
+ else if (i == border)
+ cidr.bits[i] = base[i] & bitmask;
+ else
+ return;
}
- return false;
}
-static const char all_zero[16] = {0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0 };
+irc::sockets::cidr_mask::cidr_mask(const irc::sockets::sockaddrs& sa, unsigned char 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;
-std::string irc::sockets::satouser(const irc::sockets::sockaddrs* sa) {
- char buffer[MAXBUF];
- if (sa->sa.sa_family == AF_INET)
+ if (bits_chars == std::string::npos)
{
- 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));
- }
+ irc::sockets::aptosa(mask, 0, sa);
+ sa2cidr(*this, sa, 128);
}
- else if (sa->sa.sa_family == AF_INET6)
+ else
{
- 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));
- }
+ unsigned char range = ConvToNum<unsigned char>(mask.substr(bits_chars + 1));
+ irc::sockets::aptosa(mask.substr(0, bits_chars), 0, sa);
+ sa2cidr(*this, sa, range);
}
- else
- return "<unknown>";
- return std::string(buffer);
}
-int irc::sockets::sa_size(irc::sockets::sockaddrs& sa)
+std::string irc::sockets::cidr_mask::str() const
{
- if (sa.sa.sa_family == AF_INET)
- return sizeof(sa.in4);
- if (sa.sa.sa_family == AF_INET6)
- return sizeof(sa.in6);
- return 0;
+ irc::sockets::sockaddrs sa;
+ sa.sa.sa_family = type;
+
+ unsigned char* base;
+ size_t len;
+ switch (type)
+ {
+ case AF_INET:
+ base = (unsigned char*)&sa.in4.sin_addr;
+ len = 4;
+ break;
+
+ case AF_INET6:
+ base = (unsigned char*)&sa.in6.sin6_addr;
+ len = 16;
+ break;
+
+ case AF_UNIX:
+ return sa.un.sun_path;
+
+ default:
+ // If we have reached this point then we have encountered a bug.
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::cidr_mask::str(): socket type %d is unknown!", type);
+ return "<unknown>";
+ }
+
+ 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.family() != type)
+ return false;
+ irc::sockets::cidr_mask tmp(addr, length);
+ return tmp == *this;
}
projects / user / henk / code / inspircd.git / blobdiff