]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/socket.cpp
OOPS! We try again, since I'm smoking craq. LF is 0x0a NOT CR.
[user/henk/code/inspircd.git] / src / socket.cpp
index 69bea3e0a614ad9d03711b2fb91c8cae5e5197f7..31fbffb617cfe5fa99dcae6907d7a63fbba408b6 100644 (file)
  * ---------------------------------------------------
  */
 
+#include "inspircd.h"
 #include <string>
 #include "configreader.h"
 #include "socket.h"
-#include "inspircd.h"
 #include "socketengine.h"
 #include "wildcard.h"
 
@@ -25,7 +25,7 @@ using namespace irc::sockets;
  * ((-1) << (8 - (mask % 8)))
  * But imho, it sucks in comparison to a nice neat lookup table.
  */
-const char inverted_bits[8] = {        0x00, /* 00000000 - 0 bits - never actually used */
+const unsigned char inverted_bits[8] = {       0x00, /* 00000000 - 0 bits - never actually used */
                                0x80, /* 10000000 - 1 bits */
                                0xC0, /* 11000000 - 2 bits */
                                0xE0, /* 11100000 - 3 bits */
@@ -36,28 +36,31 @@ const char inverted_bits[8] = {     0x00, /* 00000000 - 0 bits - never actually used
 };
 
 
-ListenSocket::ListenSocket(InspIRCd* Instance, int sockfd, insp_sockaddr client, insp_sockaddr server, int port, char* addr) : ServerInstance(Instance), desc("plaintext")
+ListenSocket::ListenSocket(InspIRCd* Instance, int port, char* addr) : ServerInstance(Instance), desc("plaintext"), bind_addr(addr), bind_port(port)
 {
-       this->SetFd(sockfd);
-       Instance->Log(DEBUG,"CRAP");
-       if (!Instance->BindSocket(this->fd,port,addr))
-               this->fd = -1;
+       this->SetFd(OpenTCPSocket(addr));
+       if (this->GetFd() > -1)
+       {
+               if (!Instance->BindSocket(this->fd,port,addr))
+                       this->fd = -1;
 #ifdef IPV6
-       if ((!*addr) || (strchr(addr,':')))
-               this->family = AF_INET6;
-       else
-               this->family = AF_INET;
-#else
-       this->family = AF_INET;
+               if ((!*addr) || (strchr(addr,':')))
+                       this->family = AF_INET6;
+               else
 #endif
+               this->family = AF_INET;
+               Instance->SE->AddFd(this);
+       }
 }
 
 ListenSocket::~ListenSocket()
 {
        if (this->GetFd() > -1)
        {
-               shutdown(this->fd, 2);
-               close(this->fd);
+               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));
                this->fd = -1;
        }
 }
@@ -76,17 +79,15 @@ 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 = _accept (this->GetFd(), (sockaddr*)client, &length);
+
+       if ((incomingSockfd > -1) && (!_getsockname(incomingSockfd, sock_us, &uslen)))
        {
                char buf[MAXBUF];
 #ifdef IPV6
@@ -96,14 +97,12 @@ 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);
                if (ServerInstance->Config->GetIOHook(in_port))
                {
@@ -298,14 +297,24 @@ bool irc::sockets::MatchCIDR(const char* address, const char* cidr_mask, bool ma
 
 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.
@@ -326,16 +335,13 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
 #ifdef IPV6
        if (*addr)
        {
-               printf("Address %s not empty\n", addr);
                /* There is an address here. Is it ipv6? */
                if (strchr(addr,':'))
                {
-                       printf("Address %s is ipv6\n", addr);
                        /* Yes it is */
                        in6_addr addy;
                        if (inet_pton(AF_INET6, addr, &addy) < 1)
                        {
-                               printf("Failed to interpret address %s", addr);
                                delete[] server;
                                return false;
                        }
@@ -348,7 +354,6 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
                else
                {
                        /* No, its not */
-                       printf("Address %s is ipv4\n", addr);
                        in_addr addy;
                        if (inet_pton(AF_INET, addr, &addy) < 1)
                        {
@@ -364,13 +369,11 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
        }
        else
        {
-               printf("Address empty port=%d\n", port);
                if (port == -1)
                {
                        /* Port -1: Means UDP IPV4 port binding - Special case
                         * used by DNS engine.
                         */
-                       printf("Special case AF_INET udp bind to all\n");
                        ((sockaddr_in*)server)->sin_family = AF_INET;
                        ((sockaddr_in*)server)->sin_addr.s_addr = htonl(INADDR_ANY);
                        ((sockaddr_in*)server)->sin_port = 0;
@@ -413,7 +416,6 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
 
        if (ret < 0)
        {
-               Log(DEBUG,"Bind fails it! %s", strerror(errno));
                return false;
        }
        else
@@ -427,12 +429,14 @@ bool InspIRCd::BindSocket(int sockfd, int port, char* addr, bool dolisten)
                        }
                        else
                        {
+                               this->Log(DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
                                NonBlocking(sockfd);
                                return true;
                        }
                }
                else
                {
+                       this->Log(DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
                        return true;
                }
        }
@@ -445,65 +449,42 @@ int irc::sockets::OpenTCPSocket(char* addr, int socktype)
        int on = 1;
        struct linger linger = { 0 };
 #ifdef IPV6
-       printf("IPV6 ENABLED OPENTCPSOCKET\n");
        if (strchr(addr,':') || (!*addr))
-       {
-               printf("IPV6 OPENTCPSOCKET DO\n");
                sockfd = socket (PF_INET6, socktype, 0);
-       }
        else
-       {
-               printf("IPV6->IPV4 OPENTCPSOCKET DO\n");
                sockfd = socket (PF_INET, socktype, 0);
-       }
        if (sockfd < 0)
 #else
        if ((sockfd = socket (PF_INET, socktype, 0)) < 0)
 #endif
        {
-               printf("SOCKET FAIL: %s\n", strerror(errno));
                return ERROR;
        }
        else
        {
-               setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+               setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&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));
+               setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (char*)&linger,sizeof(linger));
                return (sockfd);
        }
 }
 
-/* XXX: Probably belongs in class InspIRCd */
-bool InspIRCd::HasPort(int port, char* addr)
-{
-       for (unsigned long count = 0; count < stats->BoundPortCount; count++)
-       {
-               if ((port == Config->ports[count]) && (!strcasecmp(Config->addrs[count],addr)))
-               {
-                       return true;
-               }
-       }
-       return false;
-}
-
 /* XXX: Probably belongs in class InspIRCd */
 int InspIRCd::BindPorts(bool bail, int &ports_found, FailedPortList &failed_ports)
 {
-       Log(DEBUG,"BINDING PORTS");
        char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
-       insp_sockaddr client, server;
-       int clientportcount = 0;
-       int BoundPortCount = 0;
+       int bound = 0;
+       bool started_with_nothing = (Config->ports.size() == 0);
+       std::vector<std::pair<std::string, int> > old_ports;
 
-       ports_found = 0;
-
-       int InitialPortCount = stats->BoundPortCount;
+       /* XXX: Make a copy of the old ip/port pairs here */
+       for (std::vector<ListenSocket*>::iterator o = Config->ports.begin(); o != Config->ports.end(); ++o)
+               old_ports.push_back(make_pair((*o)->GetIP(), (*o)->GetPort()));
 
        for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++)
        {
-               Log(DEBUG,"FOUND 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);
@@ -511,84 +492,66 @@ int InspIRCd::BindPorts(bool bail, int &ports_found, FailedPortList &failed_port
                if ((!*Type) || (!strcmp(Type,"clients")))
                {
                        irc::portparser portrange(configToken, false);
-                       long portno = -1;
+                       int portno = -1;
                        while ((portno = portrange.GetToken()))
                        {
-                               if (!HasPort(portno, Addr))
-                               {
-                                       ports_found++;
-                                       Config->ports[clientportcount+InitialPortCount] = portno;
-                                       if (*Addr == '*')
-                                               *Addr = 0;
-
-                                       strlcpy(Config->addrs[clientportcount+InitialPortCount],Addr,256);
-                                       clientportcount++;
-                               }
-                       }
-               }
+                               if (*Addr == '*')
+                                       *Addr = 0;
 
-               if (!bail)
-               {
-                       int PortCount = clientportcount;
-                       if (PortCount)
-                       {
-                               BoundPortCount = stats->BoundPortCount;
-                               for (int count = InitialPortCount; count < InitialPortCount + PortCount; count++)
+                               bool skip = false;
+                               for (std::vector<ListenSocket*>::iterator n = Config->ports.begin(); n != Config->ports.end(); ++n)
                                {
-                                       int fd = OpenTCPSocket(Config->addrs[count]);
-                                       if (fd == ERROR)
-                                       {
-                                               failed_ports.push_back(std::make_pair(Config->addrs[count],Config->ports[count]));
-                                               Log(DEBUG,"SOCKET FAIL");
-                                       }
-                                       else
+                                       if (((*n)->GetIP() == Addr) && ((*n)->GetPort() == portno))
                                        {
-                                               Log(DEBUG,"BIND");
-                                               Config->openSockfd[BoundPortCount] = new ListenSocket(this,fd,client,server,Config->ports[count],Config->addrs[count]);
-                                               if (Config->openSockfd[BoundPortCount]->GetFd() > -1)
+                                               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 (!SE->AddFd(Config->openSockfd[BoundPortCount]))
+                                                       if ((k->first == Addr) && (k->second == portno))
                                                        {
-                                                               this->Log(DEFAULT,"ERK! Failed to add listening port to socket engine!");
-                                                               shutdown(Config->openSockfd[BoundPortCount]->GetFd(),2);
-                                                               close(Config->openSockfd[BoundPortCount]->GetFd());
-                                                               delete Config->openSockfd[BoundPortCount];
-                                                               failed_ports.push_back(std::make_pair(Config->addrs[count],Config->ports[count]));
+                                                               old_ports.erase(k);
+                                                               break;
                                                        }
-                                                       else
-                                                               BoundPortCount++;
                                                }
                                        }
                                }
-                               return InitialPortCount + BoundPortCount;
+                               if (!skip)
+                               {
+                                       ListenSocket* ll = new ListenSocket(this, portno, Addr);
+                                       if (ll->GetFd() > -1)
+                                       {
+                                               bound++;
+                                               Config->ports.push_back(ll);
+                                       }
+                                       else
+                                       {
+                                               failed_ports.push_back(std::make_pair(Addr, portno));
+                                       }
+                                       ports_found++;
+                               }
                        }
-                       return InitialPortCount;
                }
        }
 
-       int PortCount = clientportcount;
-
-       for (int count = 0; count < PortCount; count++)
+       /* XXX: Here, anything left in our copy list, close as removed */
+       if (!started_with_nothing)
        {
-               int fd = OpenTCPSocket(Config->addrs[count]);
-               if (fd == ERROR)
-               {
-                       Log(DEBUG,"SOCKET FAIL");
-                       failed_ports.push_back(std::make_pair(Config->addrs[count],Config->ports[count]));
-               }
-               else
+               for (size_t k = 0; k < old_ports.size(); ++k)
                {
-                       Log(DEBUG,"BIND");
-                       Config->openSockfd[BoundPortCount] = new ListenSocket(this,fd,client,server,Config->ports[count],Config->addrs[count]);
-                       if (Config->openSockfd[BoundPortCount]->GetFd() > -1)
+                       for (std::vector<ListenSocket*>::iterator n = Config->ports.begin(); n != Config->ports.end(); ++n)
                        {
-                               BoundPortCount++;
+                               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);
+                                       delete *n;
+                                       Config->ports.erase(n);
+                                       break;
+                               }
                        }
-                       else
-                               failed_ports.push_back(std::make_pair(Config->addrs[count],Config->ports[count]));
                }
        }
-       return BoundPortCount;
+
+       return bound;
 }
 
 const char* irc::sockets::insp_ntoa(insp_inaddr n)