]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/socket.cpp
Convert remaining InspIRCd::Log() calls to new logging system
[user/henk/code/inspircd.git] / src / socket.cpp
index 399b71cfae50fcc78395aef77bae8b21f99cfc4b..e045df1f99610a38db7b6df0f3af34d94a25033b 100644 (file)
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
  * See: http://www.inspircd.org/wiki/index.php/Credits
  *
  * This program is free but copyrighted software; see
  * ---------------------------------------------------
  */
 
-#include <string>
-#include "configreader.h"
-#include "socket.h"
+/* $Core: libIRCDsocket */
+
 #include "inspircd.h"
+#include "socket.h"
 #include "socketengine.h"
 #include "wildcard.h"
 
@@ -47,10 +47,8 @@ ListenSocket::ListenSocket(InspIRCd* Instance, int port, char* addr) : ServerIns
                if ((!*addr) || (strchr(addr,':')))
                        this->family = AF_INET6;
                else
-                       this->family = AF_INET;
-#else
-               this->family = AF_INET;
 #endif
+               this->family = AF_INET;
                Instance->SE->AddFd(this);
        }
 }
@@ -60,20 +58,31 @@ ListenSocket::~ListenSocket()
        if (this->GetFd() > -1)
        {
                ServerInstance->SE->DelFd(this);
-               ServerInstance->Log(DEBUG,"Shut down listener on fd %d", this->fd);
-               if (shutdown(this->fd, 2) || close(this->fd))
-                       ServerInstance->Log(DEBUG,"Failed to cancel listener: %s", strerror(errno));
+               ServerInstance->Logs->Log("SOCKET", DEBUG,"Shut down listener on fd %d", this->fd);
+               if (ServerInstance->SE->Shutdown(this, 2) || ServerInstance->SE->Close(this))
+                       ServerInstance->Logs->Log("SOCKET", DEBUG,"Failed to cancel listener: %s", strerror(errno));
                this->fd = -1;
        }
 }
 
-void ListenSocket::HandleEvent(EventType et, int errornum)
+
+// XXX this is a bit of an untidy way to avoid reallocating this constantly. also, we leak it on shutdown.. but that's kinda minor - w
+static sockaddr *sock_us;
+static sockaddr *client;
+static bool setup_sock = false;
+
+void ListenSocket::HandleEvent(EventType, int)
 {
-       sockaddr* sock_us = new sockaddr[2];    // our port number
-       sockaddr* client = new sockaddr[2];
        socklen_t uslen, length;                // length of our port number
        int incomingSockfd, in_port;
 
+       if (!setup_sock)
+       {
+               sock_us = new sockaddr[2];
+               client = new sockaddr[2];
+               setup_sock = true;
+       }
+
 #ifdef IPV6
        if (this->family == AF_INET6)
        {
@@ -81,17 +90,15 @@ void ListenSocket::HandleEvent(EventType et, int errornum)
                length = sizeof(sockaddr_in6);
        }
        else
+#endif
        {
                uslen = sizeof(sockaddr_in);
                length = sizeof(sockaddr_in);
        }
-#else
-       uslen = sizeof(sockaddr_in);
-       length = sizeof(sockaddr_in);
-#endif
-       incomingSockfd = _accept (this->GetFd(), (sockaddr*)client, &length);
 
-       if ((incomingSockfd > -1) && (!_getsockname(incomingSockfd, sock_us, &uslen)))
+       incomingSockfd = ServerInstance->SE->Accept(this, (sockaddr*)client, &length);
+
+       if ((incomingSockfd > -1) && (!ServerInstance->SE->GetSockName(this, sock_us, &uslen)))
        {
                char buf[MAXBUF];
 #ifdef IPV6
@@ -101,15 +108,14 @@ void ListenSocket::HandleEvent(EventType et, int errornum)
                        in_port = ntohs(((sockaddr_in6*)sock_us)->sin6_port);
                }
                else
+#endif
                {
                        inet_ntop(AF_INET, &((const sockaddr_in*)client)->sin_addr, buf, sizeof(buf));
                        in_port = ntohs(((sockaddr_in*)sock_us)->sin_port);
                }
-#else
-               inet_ntop(AF_INET, &((const sockaddr_in*)client)->sin_addr, buf, sizeof(buf));
-               in_port = ntohs(((sockaddr_in*)sock_us)->sin_port);
-#endif
-               NonBlocking(incomingSockfd);
+
+               ServerInstance->SE->NonBlocking(incomingSockfd);
+
                if (ServerInstance->Config->GetIOHook(in_port))
                {
                        try
@@ -118,38 +124,36 @@ void ListenSocket::HandleEvent(EventType et, int errornum)
                        }
                        catch (CoreException& modexcept)
                        {
-                               ServerInstance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+                               ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
                        }
                }
                ServerInstance->stats->statsAccept++;
-               userrec::AddClient(ServerInstance, incomingSockfd, in_port, false, this->family, client);
+               ServerInstance->Users->AddClient(ServerInstance, incomingSockfd, in_port, false, this->family, client);
        }
        else
        {
-               shutdown(incomingSockfd,2);
-               close(incomingSockfd);
+               ServerInstance->SE->Shutdown(incomingSockfd, 2);
+               ServerInstance->SE->Close(incomingSockfd);
                ServerInstance->stats->statsRefused++;
        }
-       delete[] client;
-       delete[] sock_us;
 }
 
 /* Match raw bytes using CIDR bit matching, used by higher level MatchCIDR() */
 bool irc::sockets::MatchCIDRBits(unsigned char* address, unsigned char* mask, unsigned int mask_bits)
 {
-       unsigned int modulus = mask_bits % 8; /* Number of whole bytes in the mask */
-       unsigned int divisor = mask_bits / 8; /* Remaining bits in the mask after whole bytes are dealt with */
+       unsigned int divisor = mask_bits / 8; /* Number of whole bytes in the mask */
+       unsigned int modulus = mask_bits % 8; /* Remaining bits in the mask after whole bytes are dealt with */
 
-       /* First compare the whole bytes, if they dont match, return false */
-       if (memcmp(address, mask, divisor))
-               return false;
-
-       /* Now if there are any remainder bits, we compare them with logic AND */
+       /* First (this is faster) compare the odd bits with logic ops */
        if (modulus)
                if ((address[divisor] & inverted_bits[modulus]) != (mask[divisor] & inverted_bits[modulus]))
                        /* If they dont match, return false */
                        return false;
 
+       /* Secondly (this is slower) compare the whole bytes */
+       if (memcmp(address, mask, divisor))
+               return false;
+
        /* The address matches the mask, to mask_bits bits of mask */
        return true;
 }
@@ -301,42 +305,20 @@ bool irc::sockets::MatchCIDR(const char* address, const char* cidr_mask, bool ma
        return MatchCIDRBits(addr_raw, mask_raw, bits);
 }
 
-void irc::sockets::Blocking(int s)
-{
-#ifndef WIN32
-       int flags = fcntl(s, F_GETFL, 0);
-       fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
-#else
-       unsigned long opt = 0;
-       ioctlsocket(s, FIONBIO, &opt);
-#endif
-}
-
-void irc::sockets::NonBlocking(int s)
-{
-#ifndef WIN32
-       int flags = fcntl(s, F_GETFL, 0);
-       fcntl(s, F_SETFL, flags | O_NONBLOCK);
-#else
-       unsigned long opt = 1;
-       ioctlsocket(s, FIONBIO, &opt);
-#endif
-}
-
 /** 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, char* addr, bool dolisten)
+bool InspIRCd::BindSocket(int sockfd, int port, const char* addr, bool dolisten)
 {
        /* We allocate 2 of these, because sockaddr_in6 is larger than sockaddr (ugh, hax) */
-       sockaddr* server = new sockaddr[2];
-       memset(server,0,sizeof(sockaddr)*2);
+       sockaddr* servaddr = new sockaddr[2];
+       memset(servaddr,0,sizeof(sockaddr)*2);
 
        int ret, size;
 
        if (*addr == '*')
-               *addr = 0;
+               addr = "";
 
 #ifdef IPV6
        if (*addr)
@@ -348,13 +330,13 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
                        in6_addr addy;
                        if (inet_pton(AF_INET6, addr, &addy) < 1)
                        {
-                               delete[] server;
+                               delete[] servaddr;
                                return false;
                        }
 
-                       ((sockaddr_in6*)server)->sin6_family = AF_INET6;
-                       memcpy(&(((sockaddr_in6*)server)->sin6_addr), &addy, sizeof(in6_addr));
-                       ((sockaddr_in6*)server)->sin6_port = htons(port);
+                       ((sockaddr_in6*)servaddr)->sin6_family = AF_INET6;
+                       memcpy(&(((sockaddr_in6*)servaddr)->sin6_addr), &addy, sizeof(in6_addr));
+                       ((sockaddr_in6*)servaddr)->sin6_port = htons(port);
                        size = sizeof(sockaddr_in6);
                }
                else
@@ -363,13 +345,13 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
                        in_addr addy;
                        if (inet_pton(AF_INET, addr, &addy) < 1)
                        {
-                               delete[] server;
+                               delete[] servaddr;
                                return false;
                        }
 
-                       ((sockaddr_in*)server)->sin_family = AF_INET;
-                       ((sockaddr_in*)server)->sin_addr = addy;
-                       ((sockaddr_in*)server)->sin_port = htons(port);
+                       ((sockaddr_in*)servaddr)->sin_family = AF_INET;
+                       ((sockaddr_in*)servaddr)->sin_addr = addy;
+                       ((sockaddr_in*)servaddr)->sin_port = htons(port);
                        size = sizeof(sockaddr_in);
                }
        }
@@ -380,45 +362,45 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
                        /* Port -1: Means UDP IPV4 port binding - Special case
                         * used by DNS engine.
                         */
-                       ((sockaddr_in*)server)->sin_family = AF_INET;
-                       ((sockaddr_in*)server)->sin_addr.s_addr = htonl(INADDR_ANY);
-                       ((sockaddr_in*)server)->sin_port = 0;
+                       ((sockaddr_in*)servaddr)->sin_family = AF_INET;
+                       ((sockaddr_in*)servaddr)->sin_addr.s_addr = htonl(INADDR_ANY);
+                       ((sockaddr_in*)servaddr)->sin_port = 0;
                        size = sizeof(sockaddr_in);
                }
                else
                {
                        /* Theres no address here, default to ipv6 bind to all */
-                       ((sockaddr_in6*)server)->sin6_family = AF_INET6;
-                       memset(&(((sockaddr_in6*)server)->sin6_addr), 0, sizeof(in6_addr));
-                       ((sockaddr_in6*)server)->sin6_port = htons(port);
+                       ((sockaddr_in6*)servaddr)->sin6_family = AF_INET6;
+                       memset(&(((sockaddr_in6*)servaddr)->sin6_addr), 0, sizeof(in6_addr));
+                       ((sockaddr_in6*)servaddr)->sin6_port = htons(port);
                        size = sizeof(sockaddr_in6);
                }
        }
 #else
        /* If we aren't built with ipv6, the choice becomes simple */
-       ((sockaddr_in*)server)->sin_family = AF_INET;
+       ((sockaddr_in*)servaddr)->sin_family = AF_INET;
        if (*addr)
        {
                /* There is an address here. */
                in_addr addy;
                if (inet_pton(AF_INET, addr, &addy) < 1)
                {
-                       delete[] server;
+                       delete[] servaddr;
                        return false;
                }
-               ((sockaddr_in*)server)->sin_addr = addy;
+               ((sockaddr_in*)servaddr)->sin_addr = addy;
        }
        else
        {
                /* Bind ipv4 to all */
-               ((sockaddr_in*)server)->sin_addr.s_addr = htonl(INADDR_ANY);
+               ((sockaddr_in*)servaddr)->sin_addr.s_addr = htonl(INADDR_ANY);
        }
        /* Bind ipv4 port number */
-       ((sockaddr_in*)server)->sin_port = htons(port);
+       ((sockaddr_in*)servaddr)->sin_port = htons(port);
        size = sizeof(sockaddr_in);
 #endif
-       ret = bind(sockfd, server, size);
-       delete[] server;
+       ret = SE->Bind(sockfd, servaddr, size);
+       delete[] servaddr;
 
        if (ret < 0)
        {
@@ -428,21 +410,21 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
        {
                if (dolisten)
                {
-                       if (listen(sockfd, Config->MaxConn) == -1)
+                       if (SE->Listen(sockfd, Config->MaxConn) == -1)
                        {
-                               this->Log(DEFAULT,"ERROR in listen(): %s",strerror(errno));
+                               this->Logs->Log("SOCKET",DEFAULT,"ERROR in listen(): %s",strerror(errno));
                                return false;
                        }
                        else
                        {
-                               this->Log(DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
-                               NonBlocking(sockfd);
+                               this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
+                               SE->NonBlocking(sockfd);
                                return true;
                        }
                }
                else
                {
-                       this->Log(DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
+                       this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
                        return true;
                }
        }
@@ -453,7 +435,8 @@ int irc::sockets::OpenTCPSocket(char* addr, int socktype)
 {
        int sockfd;
        int on = 1;
-       struct linger linger = { 0 };
+       addr = addr;
+       struct linger linger = { 0, 0 };
 #ifdef IPV6
        if (strchr(addr,':') || (!*addr))
                sockfd = socket (PF_INET6, socktype, 0);
@@ -477,8 +460,7 @@ int irc::sockets::OpenTCPSocket(char* addr, int socktype)
        }
 }
 
-/* XXX: Probably belongs in class InspIRCd */
-int InspIRCd::BindPorts(bool bail, int &ports_found, FailedPortList &failed_ports)
+int InspIRCd::BindPorts(bool, int &ports_found, FailedPortList &failed_ports)
 {
        char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
        int bound = 0;
@@ -494,7 +476,10 @@ int InspIRCd::BindPorts(bool bail, int &ports_found, FailedPortList &failed_port
                Config->ConfValue(Config->config_data, "bind", "port", count, configToken, MAXBUF);
                Config->ConfValue(Config->config_data, "bind", "address", count, Addr, MAXBUF);
                Config->ConfValue(Config->config_data, "bind", "type", count, Type, MAXBUF);
-
+               
+               if (strncmp(Addr, "::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(configToken, false);
@@ -548,7 +533,7 @@ int InspIRCd::BindPorts(bool bail, int &ports_found, FailedPortList &failed_port
                        {
                                if (((*n)->GetIP() == old_ports[k].first) && ((*n)->GetPort() == old_ports[k].second))
                                {
-                                       this->Log(DEFAULT,"Port binding %s:%d was removed from the config file, closing.", old_ports[k].first.c_str(), 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;
                                        Config->ports.erase(n);
                                        break;