* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
* ---------------------------------------------------
*/
-using namespace std;
-
-#include "inspircd_config.h"
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/types.h>
#include <string>
-#include <unistd.h>
-#include <sstream>
-#include <iostream>
-#include <fstream>
+#include "configreader.h"
#include "socket.h"
#include "inspircd.h"
-#include "inspircd_io.h"
-#include "inspircd_util.h"
#include "inspstring.h"
#include "helperfuncs.h"
+#include "socketengine.h"
+#include "message.h"
-extern FILE *log_file;
-extern int boundPortCount;
-extern int openSockfd[MAXSOCKS];
+extern InspIRCd* ServerInstance;
+extern ServerConfig* Config;
extern time_t TIME;
-extern bool unlimitcore;
-extern int MaxConn;
+extern int openSockfd[MAX_DESCRIPTORS];
+
+InspSocket* socket_ref[MAX_DESCRIPTORS];
-InspSocket::InspSocket()
+/** This will bind a socket to a port. It works for UDP/TCP.
+ * If a hostname is given to bind to, the function will first
+ * attempt to resolve the hostname, then bind to the IP the
+ * hostname resolves to. This is a blocking lookup blocking for
+ * a maximum of one second before it times out, using the DNS
+ * server specified in the configuration file.
+ */
+bool BindSocket(int sockfd, insp_sockaddr client, insp_sockaddr server, int port, char* addr)
{
- this->state = I_DISCONNECTED;
+ memset(&server,0,sizeof(server));
+ insp_inaddr addy;
+ bool resolved = false;
+ char resolved_addr[128];
+
+ if (*addr == '*')
+ *addr = 0;
+
+ if (*addr && !inet_aton(addr,&addy))
+ {
+ /* If they gave a hostname, bind to the IP it resolves to */
+ if (CleanAndResolve(resolved_addr, addr, true))
+ {
+ inet_aton(resolved_addr,&addy);
+ log(DEFAULT,"Resolved binding '%s' -> '%s'",addr,resolved_addr);
+ server.sin_addr = addy;
+ resolved = true;
+ }
+ else
+ {
+ log(DEFAULT,"WARNING: Could not resolve '%s' to an IP for binding to on port %d",addr,port);
+ return false;
+ }
+ }
+ server.sin_family = AF_INET;
+ if (!resolved)
+ {
+ if (!*addr)
+ {
+ server.sin_addr.s_addr = htonl(INADDR_ANY);
+ }
+ else
+ {
+ server.sin_addr = addy;
+ }
+ }
+ server.sin_port = htons(port);
+ if (bind(sockfd,(struct sockaddr*)&server,sizeof(server)) < 0)
+ {
+ return false;
+ }
+ else
+ {
+ log(DEBUG,"Bound port %s:%d",*addr ? addr : "*",port);
+ if (listen(sockfd, Config->MaxConn) == -1)
+ {
+ log(DEFAULT,"ERROR in listen(): %s",strerror(errno));
+ return false;
+ }
+ else
+ {
+ NonBlocking(sockfd);
+ return true;
+ }
+ }
}
-InspSocket::InspSocket(std::string host, int port, bool listening)
+
+// Open a TCP Socket
+int OpenTCPSocket()
{
+ int sockfd;
+ int on = 1;
+ struct linger linger = { 0 };
+
+ if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+ log(DEFAULT,"Error creating TCP socket: %s",strerror(errno));
+ return (ERROR);
+ }
+ else
+ {
+ 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);
+ }
}
-void InspSocket::Poll()
+bool HasPort(int port, char* addr)
{
+ for (int count = 0; count < ServerInstance->stats->BoundPortCount; count++)
+ {
+ if ((port == Config->ports[count]) && (!strcasecmp(Config->addrs[count],addr)))
+ {
+ return true;
+ }
+ }
+ return false;
}
-int InspSocket::OnConnected() { }
-int InspSocket::OnError() { }
-int InspSocket::OnDisconnect() { }
-int InspSocket::OnIncomingConnection() { }
-
-InspSocket::~InspSocket()
+int BindPorts(bool bail)
{
-}
+ char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
+ insp_sockaddr client, server;
+ int clientportcount = 0;
+ int BoundPortCount = 0;
+
+ if (!bail)
+ {
+ int InitialPortCount = ServerInstance->stats->BoundPortCount;
+ log(DEBUG,"Initial port count: %d",InitialPortCount);
+
+ for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++)
+ {
+ 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 (((!*Type) || (!strcmp(Type,"clients"))) && (!HasPort(atoi(configToken),Addr)))
+ {
+ // modules handle server bind types now
+ Config->ports[clientportcount+InitialPortCount] = atoi(configToken);
+ if (*Addr == '*')
+ *Addr = 0;
-/*
-int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
-int OpenTCPSocket (void)
-*/
+ strlcpy(Config->addrs[clientportcount+InitialPortCount],Addr,256);
+ clientportcount++;
+ log(DEBUG,"NEW binding %s:%s [%s] from config",Addr,configToken, Type);
+ }
+ }
+ int PortCount = clientportcount;
+ if (PortCount)
+ {
+ for (int count = InitialPortCount; count < InitialPortCount + PortCount; count++)
+ {
+ if ((openSockfd[count] = OpenTCPSocket()) == ERROR)
+ {
+ log(DEBUG,"Bad fd %d binding port [%s:%d]",openSockfd[count],Config->addrs[count],Config->ports[count]);
+ return ERROR;
+ }
+ if (!BindSocket(openSockfd[count],client,server,Config->ports[count],Config->addrs[count]))
+ {
+ log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
+ }
+ else
+ {
+ /* Associate the new open port with a slot in the socket engine */
+ ServerInstance->SE->AddFd(openSockfd[count],true,X_LISTEN);
+ BoundPortCount++;
+ }
+ }
+ return InitialPortCount + BoundPortCount;
+ }
+ else
+ {
+ log(DEBUG,"There is nothing new to bind!");
+ }
+ return InitialPortCount;
+ }
+
+ for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++)
+ {
+ 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 ((!*Type) || (!strcmp(Type,"clients")))
+ {
+ // modules handle server bind types now
+ Config->ports[clientportcount] = atoi(configToken);
+
+ // If the client put bind "*", this is an unrealism.
+ // We don't actually support this as documented, but
+ // i got fed up of people trying it, so now it converts
+ // it to an empty string meaning the same 'bind to all'.
+ if (*Addr == '*')
+ *Addr = 0;
+
+ strlcpy(Config->addrs[clientportcount],Addr,256);
+ clientportcount++;
+ log(DEBUG,"Binding %s:%s [%s] from config",Addr,configToken, Type);
+ }
+ }
+
+ int PortCount = clientportcount;
+
+ for (int count = 0; count < PortCount; count++)
+ {
+ if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR)
+ {
+ log(DEBUG,"Bad fd %d binding port [%s:%d]",openSockfd[BoundPortCount],Config->addrs[count],Config->ports[count]);
+ return ERROR;
+ }
+
+ if (!BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]))
+ {
+ log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
+ }
+ else
+ {
+ /* well we at least bound to one socket so we'll continue */
+ BoundPortCount++;
+ }
+ }
+
+ /* if we didn't bind to anything then abort */
+ if (!BoundPortCount)
+ {
+ log(DEFAULT,"No ports bound, bailing!");
+ printf("\nERROR: Could not bind any of %d ports! Please check your configuration.\n\n", PortCount);
+ return ERROR;
+ }
+
+ return BoundPortCount;
+}
projects / user / henk / code / inspircd.git / blobdiff