X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_httpd.cpp;h=2b079c6ff9fe19d017d8347332f38d4b0a66fe95;hb=de4b1863536348520c6498e11d910acd050092a7;hp=eba78b98bbc88e3f855997297d7e05a0c3ad3333;hpb=d185decae97752368d5cf62311cbc0d1a52aa22c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_httpd.cpp b/src/modules/m_httpd.cpp index eba78b98b..2b079c6ff 100644 --- a/src/modules/m_httpd.cpp +++ b/src/modules/m_httpd.cpp @@ -1,16 +1,27 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2008 Pippijn van Steenhoven + * Copyright (C) 2006-2008 Craig Edwards + * Copyright (C) 2007 John Brooks + * Copyright (C) 2007 Dennis Friis * - * 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 . */ + #include "inspircd.h" #include "httpd.h" @@ -21,23 +32,23 @@ class ModuleHttpServer; static ModuleHttpServer* HttpModule; static bool claimed; +static std::set sockets; /** HTTP socket states */ enum HttpState { - HTTP_LISTEN = 0, - HTTP_SERVE_WAIT_REQUEST = 1, /* Waiting for a full request */ - HTTP_SERVE_RECV_POSTDATA = 2, /* Waiting to finish recieving POST data */ - HTTP_SERVE_SEND_DATA = 3 /* Sending response */ + HTTP_SERVE_WAIT_REQUEST = 0, /* Waiting for a full request */ + HTTP_SERVE_RECV_POSTDATA = 1, /* Waiting to finish recieving POST data */ + HTTP_SERVE_SEND_DATA = 2 /* Sending response */ }; /** A socket used for HTTP transport */ class HttpServerSocket : public BufferedSocket { - FileReader* index; HttpState InternalState; + std::string ip; HTTPHeaders headers; std::string reqbuffer; @@ -48,37 +59,27 @@ class HttpServerSocket : public BufferedSocket std::string http_version; public: + const time_t createtime; - HttpServerSocket(InspIRCd* SI, std::string shost, int iport, bool listening, unsigned long maxtime, FileReader* index_page) : BufferedSocket(SI, shost, iport, listening, maxtime), index(index_page), postsize(0) - { - InternalState = HTTP_LISTEN; - } - - HttpServerSocket(InspIRCd* SI, int newfd, char* ip, FileReader* ind) : BufferedSocket(SI, newfd, ip), index(ind), postsize(0) + HttpServerSocket(int newfd, const std::string& IP, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) + : BufferedSocket(newfd), ip(IP), postsize(0) + , createtime(ServerInstance->Time()) { InternalState = HTTP_SERVE_WAIT_REQUEST; - } - FileReader* GetIndex() - { - return index; + FOREACH_MOD(I_OnHookIO, OnHookIO(this, via)); + if (GetIOHook()) + GetIOHook()->OnStreamSocketAccept(this, client, server); } ~HttpServerSocket() { + sockets.erase(this); } - virtual int OnIncomingConnection(int newsock, char* ip) - { - if (InternalState == HTTP_LISTEN) - { - new HttpServerSocket(this->Instance, newsock, ip, index); - } - return true; - } - - virtual void OnClose() + virtual void OnError(BufferedSocketError) { + ServerInstance->GlobalCulls.AddItem(this); } std::string Response(int response) @@ -106,7 +107,7 @@ class HttpServerSocket : public BufferedSocket case 300: return "MULTIPLE CHOICES"; case 301: - return "MOVED PERMENANTLY"; + return "MOVED PERMANENTLY"; case 302: return "FOUND"; case 303: @@ -179,22 +180,21 @@ class HttpServerSocket : public BufferedSocket "Powered by InspIRCd"; SendHeaders(data.length(), response, empty); - this->Write(data); - this->FlushWriteBuffer(); + WriteData(data); } void SendHeaders(unsigned long size, int response, HTTPHeaders &rheaders) { - this->Write(http_version + " "+ConvToStr(response)+" "+Response(response)+"\r\n"); + WriteData(http_version + " "+ConvToStr(response)+" "+Response(response)+"\r\n"); - time_t local = this->Instance->Time(); + time_t local = ServerInstance->Time(); struct tm *timeinfo = gmtime(&local); char *date = asctime(timeinfo); date[strlen(date) - 1] = '\0'; rheaders.CreateHeader("Date", date); - rheaders.CreateHeader("Server", "InspIRCd/m_httpd.so/1.2"); + rheaders.CreateHeader("Server", BRANCH); rheaders.SetHeader("Content-Length", ConvToStr(size)); if (size) @@ -207,40 +207,32 @@ class HttpServerSocket : public BufferedSocket */ rheaders.SetHeader("Connection", "Close"); - this->Write(rheaders.GetFormattedHeaders()); - this->Write("\r\n"); + WriteData(rheaders.GetFormattedHeaders()); + WriteData("\r\n"); } - virtual bool OnDataReady() + void OnDataReady() { - const char* data = this->Read(); - - /* Check that the data read is a valid pointer and it has some content */ - if (!data || !*data) - return false; - if (InternalState == HTTP_SERVE_RECV_POSTDATA) { - postdata.append(data); + postdata.append(recvq); if (postdata.length() >= postsize) ServeData(); } else { - reqbuffer.append(data); + reqbuffer.append(recvq); if (reqbuffer.length() >= 8192) { - Instance->Logs->Log("m_httpd",DEBUG, "m_httpd dropped connection due to an oversized request buffer"); + ServerInstance->Logs->Log("m_httpd",DEBUG, "m_httpd dropped connection due to an oversized request buffer"); reqbuffer.clear(); - return false; + SetError("Buffer"); } if (InternalState == HTTP_SERVE_WAIT_REQUEST) CheckRequestBuffer(); } - - return true; } void CheckRequestBuffer() @@ -266,7 +258,6 @@ class HttpServerSocket : public BufferedSocket if (request_type.empty() || uri.empty() || http_version.empty()) { SendHTTPError(400); - SetWrite(); return; } @@ -280,7 +271,6 @@ class HttpServerSocket : public BufferedSocket if ((fieldsep == std::string::npos) || (fieldsep == 0) || (fieldsep == cheader.length() - 1)) { SendHTTPError(400); - SetWrite(); return; } @@ -297,11 +287,10 @@ class HttpServerSocket : public BufferedSocket if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0")) { SendHTTPError(505); - SetWrite(); return; } - if (headers.IsSet("Content-Length") && (postsize = atoi(headers.GetHeader("Content-Length").c_str())) != 0) + if (headers.IsSet("Content-Length") && (postsize = ConvToInt(headers.GetHeader("Content-Length"))) > 0) { InternalState = HTTP_SERVE_RECV_POSTDATA; @@ -329,119 +318,115 @@ class HttpServerSocket : public BufferedSocket { InternalState = HTTP_SERVE_SEND_DATA; - if ((request_type == "GET") && (uri == "/")) - { - HTTPHeaders empty; - SendHeaders(index->ContentSize(), 200, empty); - this->Write(index->Contents()); - this->FlushWriteBuffer(); - SetWrite(); - } - else + claimed = false; + HTTPRequest acl((Module*)HttpModule, "httpd_acl", request_type, uri, &headers, this, ip, postdata); + acl.Send(); + if (!claimed) { - claimed = false; - HTTPRequest httpr(request_type,uri,&headers,this,this->GetIP(),postdata); - Event acl((char*)&httpr, (Module*)HttpModule, "httpd_acl"); - acl.Send(this->Instance); + HTTPRequest url((Module*)HttpModule, "httpd_url", request_type, uri, &headers, this, ip, postdata); + url.Send(); if (!claimed) { - Event e((char*)&httpr, (Module*)HttpModule, "httpd_url"); - e.Send(this->Instance); - if (!claimed) - { - SendHTTPError(404); - SetWrite(); - } + SendHTTPError(404); } } } - - bool OnWriteReady() - { - Instance->Logs->Log("m_httpd",DEBUG,"OnWriteReady()"); - return false; - } - void Page(std::stringstream* n, int response, HTTPHeaders *hheaders) { SendHeaders(n->str().length(), response, *hheaders); - this->Write(n->str()); - this->FlushWriteBuffer(); - SetWrite(); - } - - void SetWrite() - { - Instance->Logs->Log("m_httpd",DEBUG,"SetWrite()"); - this->WaitingForWriteEvent = true; - Instance->SE->WantWrite(this); + WriteData(n->str()); } }; class ModuleHttpServer : public Module { - std::vector httpsocks; + unsigned int timeoutsec; + public: - void ReadConfig() + void init() { - int port; - std::string host; - std::string bindip; - std::string indexfile; - FileReader* index; - HttpServerSocket* http; - ConfigReader c(ServerInstance); + HttpModule = this; + Implementation eventlist[] = { I_OnAcceptConnection, I_OnBackgroundTimer, I_OnRehash, I_OnUnloadModule }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); + OnRehash(NULL); + } - httpsocks.clear(); + void OnRehash(User* user) + { + ConfigTag* tag = ServerInstance->Config->ConfValue("httpd"); + timeoutsec = tag->getInt("timeout"); + } - for (int i = 0; i < c.Enumerate("http"); i++) - { - host = c.ReadValue("http", "host", i); - bindip = c.ReadValue("http", "ip", i); - port = c.ReadInteger("http", "port", i, true); - indexfile = c.ReadValue("http", "index", i); - index = new FileReader(ServerInstance, indexfile); - if (!index->Exists()) - throw ModuleException("Can't read index file: "+indexfile); - http = new HttpServerSocket(ServerInstance, bindip, port, true, 0, index); - httpsocks.push_back(http); - } + void OnRequest(Request& request) + { + if (strcmp(request.id, "HTTP-DOC") != 0) + return; + HTTPDocumentResponse& resp = static_cast(request); + claimed = true; + resp.src.sock->Page(resp.document, resp.responsecode, &resp.headers); } - ModuleHttpServer(InspIRCd* Me) : Module(Me) + ModResult OnAcceptConnection(int nfd, ListenSocket* from, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) { - ReadConfig(); - HttpModule = this; - Implementation eventlist[] = { I_OnRequest }; - ServerInstance->Modules->Attach(eventlist, this, 1); + if (from->bind_tag->getString("type") != "httpd") + return MOD_RES_PASSTHRU; + int port; + std::string incomingip; + irc::sockets::satoap(*client, incomingip, port); + sockets.insert(new HttpServerSocket(nfd, incomingip, from, client, server)); + return MOD_RES_ALLOW; } - virtual const char* OnRequest(Request* request) + void OnBackgroundTimer(time_t curtime) { - claimed = true; - HTTPDocument* doc = (HTTPDocument*)request->GetData(); - HttpServerSocket* sock = (HttpServerSocket*)doc->sock; - sock->Page(doc->GetDocument(), doc->GetResponseCode(), &doc->headers); - return NULL; + if (!timeoutsec) + return; + + time_t oldest_allowed = curtime - timeoutsec; + for (std::set::const_iterator i = sockets.begin(); i != sockets.end(); ) + { + HttpServerSocket* sock = *i; + ++i; + if (sock->createtime < oldest_allowed) + { + sock->cull(); + delete sock; + } + } } + void OnUnloadModule(Module* mod) + { + for (std::set::const_iterator i = sockets.begin(); i != sockets.end(); ) + { + HttpServerSocket* sock = *i; + ++i; + if (sock->GetIOHook() == mod) + { + sock->cull(); + delete sock; + } + } + } - virtual ~ModuleHttpServer() + CullResult cull() { - for (size_t i = 0; i < httpsocks.size(); i++) + std::set local; + local.swap(sockets); + for (std::set::const_iterator i = local.begin(); i != local.end(); ++i) { - ServerInstance->SE->DelFd(httpsocks[i]); - httpsocks[i]->Close(); - delete httpsocks[i]->GetIndex(); + HttpServerSocket* sock = *i; + sock->cull(); + delete sock; } - ServerInstance->BufferedSocketCull(); + return Module::cull(); } virtual Version GetVersion() { - return Version(1,2,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION); + return Version("Provides HTTP serving facilities to modules", VF_VENDOR); } };