-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include <algorithm>\r#include "modules.h"\r#include "httpd.h"\r\r/* $ModDesc: Provides HTTP serving facilities to modules */\r\rclass ModuleHttpServer;\r\rstatic ModuleHttpServer* HttpModule;\rstatic bool claimed;\r\r/** HTTP socket states\r */\renum HttpState\r{\r HTTP_LISTEN = 0,\r HTTP_SERVE_WAIT_REQUEST = 1,\r HTTP_SERVE_RECV_POSTDATA = 2,\r HTTP_SERVE_SEND_DATA = 3\r};\r\rclass HttpServerSocket;\r\r/** This class is used to handle HTTP socket timeouts\r */\rclass HttpServerTimeout : public InspTimer\r{\r private:\r /** HttpServerSocket we are attached to\r */\r HttpServerSocket* s;\r /** Socketengine the file descriptor is in\r */\r SocketEngine* SE;\r public:\r /** Attach timeout to HttpServerSocket\r */\r HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine);\r /** Handle timer tick\r */\r void Tick(time_t TIME);\r};\r\r/** A socket used for HTTP transport\r */\rclass HttpServerSocket : public InspSocket\r{\r FileReader* index;\r HttpState InternalState;\r std::stringstream headers;\r std::string postdata;\r std::string request_type;\r std::string uri;\r std::string http_version;\r unsigned int postsize;\r HttpServerTimeout* Timeout;\r\r public:\r\r HttpServerSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, FileReader* index_page) : InspSocket(SI, host, port, listening, maxtime), index(index_page), postsize(0)\r {\r InternalState = HTTP_LISTEN;\r Timeout = NULL;\r }\r\r HttpServerSocket(InspIRCd* SI, int newfd, char* ip, FileReader* ind) : InspSocket(SI, newfd, ip), index(ind), postsize(0)\r {\r InternalState = HTTP_SERVE_WAIT_REQUEST;\r Timeout = new HttpServerTimeout(this, Instance->SE);\r Instance->Timers->AddTimer(Timeout);\r }\r\r FileReader* GetIndex()\r {\r return index;\r }\r\r ~HttpServerSocket()\r {\r if (Timeout)\r {\r if (Instance->Time() < Timeout->GetTimer())\r Instance->Timers->DelTimer(Timeout);\r Timeout = NULL;\r }\r }\r\r virtual int OnIncomingConnection(int newsock, char* ip)\r {\r if (InternalState == HTTP_LISTEN)\r {\r HttpServerSocket* s = new HttpServerSocket(this->Instance, newsock, ip, index);\r s = s; /* Stop GCC whining */\r }\r return true;\r }\r\r virtual void OnClose()\r {\r }\r\r std::string Response(int response)\r {\r switch (response)\r {\r case 100:\r return "CONTINUE";\r case 101:\r return "SWITCHING PROTOCOLS";\r case 200:\r return "OK";\r case 201:\r return "CREATED";\r case 202:\r return "ACCEPTED";\r case 203:\r return "NON-AUTHORITATIVE INFORMATION";\r case 204:\r return "NO CONTENT";\r case 205:\r return "RESET CONTENT";\r case 206:\r return "PARTIAL CONTENT";\r case 300:\r return "MULTIPLE CHOICES";\r case 301:\r return "MOVED PERMENANTLY";\r case 302:\r return "FOUND";\r case 303:\r return "SEE OTHER";\r case 304:\r return "NOT MODIFIED";\r case 305:\r return "USE PROXY";\r case 307:\r return "TEMPORARY REDIRECT";\r case 400:\r return "BAD REQUEST";\r case 401:\r return "UNAUTHORIZED";\r case 402:\r return "PAYMENT REQUIRED";\r case 403:\r return "FORBIDDEN";\r case 404:\r return "NOT FOUND";\r case 405:\r return "METHOD NOT ALLOWED";\r case 406:\r return "NOT ACCEPTABLE";\r case 407:\r return "PROXY AUTHENTICATION REQUIRED";\r case 408:\r return "REQUEST TIMEOUT";\r case 409:\r return "CONFLICT";\r case 410:\r return "GONE";\r case 411:\r return "LENGTH REQUIRED";\r case 412:\r return "PRECONDITION FAILED";\r case 413:\r return "REQUEST ENTITY TOO LARGE";\r case 414:\r return "REQUEST-URI TOO LONG";\r case 415:\r return "UNSUPPORTED MEDIA TYPE";\r case 416:\r return "REQUESTED RANGE NOT SATISFIABLE";\r case 417:\r return "EXPECTATION FAILED";\r case 500:\r return "INTERNAL SERVER ERROR";\r case 501:\r return "NOT IMPLEMENTED";\r case 502:\r return "BAD GATEWAY";\r case 503:\r return "SERVICE UNAVAILABLE";\r case 504:\r return "GATEWAY TIMEOUT";\r case 505:\r return "HTTP VERSION NOT SUPPORTED";\r default:\r return "WTF";\r break;\r \r }\r }\r\r void SendHeaders(unsigned long size, int response, const std::string &extraheaders)\r {\r time_t local = this->Instance->Time();\r struct tm *timeinfo = gmtime(&local);\r this->Write("HTTP/1.1 "+ConvToStr(response)+" "+Response(response)+"\r\nDate: ");\r this->Write(asctime(timeinfo));\r if (extraheaders.empty())\r {\r this->Write("Content-Type: text/html\r\n");\r }\r else\r {\r this->Write(extraheaders);\r }\r this->Write("Server: InspIRCd/m_httpd.so/1.1\r\nContent-Length: "+ConvToStr(size)+\r "\r\nConnection: close\r\n\r\n");\r }\r\r virtual bool OnDataReady()\r {\r char* data = this->Read();\r\r /* Check that the data read is a valid pointer and it has some content */\r if (data && *data)\r {\r headers << data;\r\r if (headers.str().find("\r\n\r\n") != std::string::npos)\r {\r if (request_type.empty())\r {\r headers >> request_type;\r headers >> uri;\r headers >> http_version;\r\r std::transform(request_type.begin(), request_type.end(), request_type.begin(), ::toupper);\r std::transform(http_version.begin(), http_version.end(), http_version.begin(), ::toupper);\r }\r\r if ((InternalState == HTTP_SERVE_WAIT_REQUEST) && (request_type == "POST"))\r {\r /* Do we need to fetch postdata? */\r postdata.clear();\r InternalState = HTTP_SERVE_RECV_POSTDATA;\r std::string header_item;\r while (headers >> header_item)\r {\r if (header_item == "Content-Length:")\r {\r headers >> header_item;\r postsize = atoi(header_item.c_str());\r }\r }\r if (!postsize)\r {\r InternalState = HTTP_SERVE_SEND_DATA;\r SendHeaders(0, 400, "");\r Timeout = new HttpServerTimeout(this, Instance->SE);\r Instance->Timers->AddTimer(Timeout);\r }\r else\r {\r std::string::size_type x = headers.str().find("\r\n\r\n");\r postdata = headers.str().substr(x+4, headers.str().length());\r /* Get content length and store */\r if (postdata.length() >= postsize)\r ServeData();\r }\r }\r else if (InternalState == HTTP_SERVE_RECV_POSTDATA)\r {\r /* Add postdata, once we have it all, send the event */\r postdata.append(data);\r if (postdata.length() >= postsize)\r ServeData();\r }\r else\r {\r ServeData();\r }\r return true;\r }\r return true;\r }\r else\r {\r return false;\r }\r }\r\r void ServeData()\r {\r /* Headers are complete */\r InternalState = HTTP_SERVE_SEND_DATA;\r\r Instance->Timers->DelTimer(Timeout);\r Timeout = NULL;\r \r if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0"))\r {\r SendHeaders(0, 505, "");\r }\r else\r {\r if ((request_type == "GET") && (uri == "/"))\r {\r SendHeaders(index->ContentSize(), 200, "");\r this->Write(index->Contents());\r }\r else\r {\r claimed = false;\r HTTPRequest httpr(request_type,uri,&headers,this,this->GetIP(),postdata);\r Event e((char*)&httpr, (Module*)HttpModule, "httpd_url");\r e.Send(this->Instance);\r if (!claimed)\r {\r SendHeaders(0, 404, "");\r }\r }\r }\r Timeout = new HttpServerTimeout(this, Instance->SE);\r Instance->Timers->AddTimer(Timeout);\r }\r\r void Page(std::stringstream* n, int response, std::string& extraheaders)\r {\r SendHeaders(n->str().length(), response, extraheaders);\r this->Write(n->str());\r }\r};\r\rHttpServerTimeout::HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine) : InspTimer(60, time(NULL)), s(sock), SE(engine)\r{\r}\r\rvoid HttpServerTimeout::Tick(time_t TIME)\r{\r SE->DelFd(s);\r s->Close();\r}\r\rclass ModuleHttpServer : public Module\r{\r std::vector<HttpServerSocket*> httpsocks;\r public:\r\r void ReadConfig()\r {\r int port;\r std::string host;\r std::string bindip;\r std::string indexfile;\r FileReader* index;\r HttpServerSocket* http;\r ConfigReader c(ServerInstance);\r\r httpsocks.clear();\r\r for (int i = 0; i < c.Enumerate("http"); i++)\r {\r host = c.ReadValue("http", "host", i);\r bindip = c.ReadValue("http", "ip", i);\r port = c.ReadInteger("http", "port", i, true);\r indexfile = c.ReadValue("http", "index", i);\r index = new FileReader(ServerInstance, indexfile);\r if (!index->Exists())\r throw ModuleException("Can't read index file: "+indexfile);\r http = new HttpServerSocket(ServerInstance, bindip, port, true, 0, index);\r httpsocks.push_back(http);\r }\r }\r\r ModuleHttpServer(InspIRCd* Me) : Module(Me)\r {\r ReadConfig();\r }\r\r void OnEvent(Event* event)\r {\r }\r\r char* OnRequest(Request* request)\r {\r claimed = true;\r HTTPDocument* doc = (HTTPDocument*)request->GetData();\r HttpServerSocket* sock = (HttpServerSocket*)doc->sock;\r sock->Page(doc->GetDocument(), doc->GetResponseCode(), doc->GetExtraHeaders());\r return NULL;\r }\r\r void Implements(char* List)\r {\r List[I_OnEvent] = List[I_OnRequest] = 1;\r }\r\r virtual ~ModuleHttpServer()\r {\r for (size_t i = 0; i < httpsocks.size(); i++)\r {\r ServerInstance->SE->DelFd(httpsocks[i]);\r delete httpsocks[i]->GetIndex();\r delete httpsocks[i];\r }\r }\r\r virtual Version GetVersion()\r {\r return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);\r }\r};\r\rMODULE_INIT(ModuleHttpServer)\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 John Brooks <john.brooks@dereferenced.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *
+ * 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/>.
+ */
+
+
+#include "inspircd.h"
+#include "httpd.h"
+
+/* $ModDesc: Provides HTTP serving facilities to modules */
+/* $ModDep: httpd.h */
+
+class ModuleHttpServer;
+
+static ModuleHttpServer* HttpModule;
+static bool claimed;
+
+/** HTTP socket states
+ */
+enum HttpState
+{
+ 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
+{
+ HttpState InternalState;
+ std::string ip;
+
+ HTTPHeaders headers;
+ std::string reqbuffer;
+ std::string postdata;
+ unsigned int postsize;
+ std::string request_type;
+ std::string uri;
+ std::string http_version;
+
+ public:
+
+ HttpServerSocket(int newfd, const std::string& IP, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+ : BufferedSocket(newfd), ip(IP), postsize(0)
+ {
+ InternalState = HTTP_SERVE_WAIT_REQUEST;
+
+ FOREACH_MOD(I_OnHookIO, OnHookIO(this, via));
+ if (GetIOHook())
+ GetIOHook()->OnStreamSocketAccept(this, client, server);
+ }
+
+ virtual void OnError(BufferedSocketError)
+ {
+ ServerInstance->GlobalCulls.AddItem(this);
+ }
+
+ std::string Response(int response)
+ {
+ switch (response)
+ {
+ case 100:
+ return "CONTINUE";
+ case 101:
+ return "SWITCHING PROTOCOLS";
+ case 200:
+ return "OK";
+ case 201:
+ return "CREATED";
+ case 202:
+ return "ACCEPTED";
+ case 203:
+ return "NON-AUTHORITATIVE INFORMATION";
+ case 204:
+ return "NO CONTENT";
+ case 205:
+ return "RESET CONTENT";
+ case 206:
+ return "PARTIAL CONTENT";
+ case 300:
+ return "MULTIPLE CHOICES";
+ case 301:
+ return "MOVED PERMENANTLY";
+ case 302:
+ return "FOUND";
+ case 303:
+ return "SEE OTHER";
+ case 304:
+ return "NOT MODIFIED";
+ case 305:
+ return "USE PROXY";
+ case 307:
+ return "TEMPORARY REDIRECT";
+ case 400:
+ return "BAD REQUEST";
+ case 401:
+ return "UNAUTHORIZED";
+ case 402:
+ return "PAYMENT REQUIRED";
+ case 403:
+ return "FORBIDDEN";
+ case 404:
+ return "NOT FOUND";
+ case 405:
+ return "METHOD NOT ALLOWED";
+ case 406:
+ return "NOT ACCEPTABLE";
+ case 407:
+ return "PROXY AUTHENTICATION REQUIRED";
+ case 408:
+ return "REQUEST TIMEOUT";
+ case 409:
+ return "CONFLICT";
+ case 410:
+ return "GONE";
+ case 411:
+ return "LENGTH REQUIRED";
+ case 412:
+ return "PRECONDITION FAILED";
+ case 413:
+ return "REQUEST ENTITY TOO LARGE";
+ case 414:
+ return "REQUEST-URI TOO LONG";
+ case 415:
+ return "UNSUPPORTED MEDIA TYPE";
+ case 416:
+ return "REQUESTED RANGE NOT SATISFIABLE";
+ case 417:
+ return "EXPECTATION FAILED";
+ case 500:
+ return "INTERNAL SERVER ERROR";
+ case 501:
+ return "NOT IMPLEMENTED";
+ case 502:
+ return "BAD GATEWAY";
+ case 503:
+ return "SERVICE UNAVAILABLE";
+ case 504:
+ return "GATEWAY TIMEOUT";
+ case 505:
+ return "HTTP VERSION NOT SUPPORTED";
+ default:
+ return "WTF";
+ break;
+
+ }
+ }
+
+ void SendHTTPError(int response)
+ {
+ HTTPHeaders empty;
+ std::string data = "<html><head></head><body>Server error "+ConvToStr(response)+": "+Response(response)+"<br>"+
+ "<small>Powered by <a href='http://www.inspircd.org'>InspIRCd</a></small></body></html>";
+
+ SendHeaders(data.length(), response, empty);
+ WriteData(data);
+ }
+
+ void SendHeaders(unsigned long size, int response, HTTPHeaders &rheaders)
+ {
+
+ WriteData(http_version + " "+ConvToStr(response)+" "+Response(response)+"\r\n");
+
+ 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.SetHeader("Content-Length", ConvToStr(size));
+
+ if (size)
+ rheaders.CreateHeader("Content-Type", "text/html");
+ else
+ rheaders.RemoveHeader("Content-Type");
+
+ /* Supporting Connection: keep-alive causes a whole world of hurt syncronizing timeouts,
+ * so remove it, its not essential for what we need.
+ */
+ rheaders.SetHeader("Connection", "Close");
+
+ WriteData(rheaders.GetFormattedHeaders());
+ WriteData("\r\n");
+ }
+
+ void OnDataReady()
+ {
+ if (InternalState == HTTP_SERVE_RECV_POSTDATA)
+ {
+ postdata.append(recvq);
+ if (postdata.length() >= postsize)
+ ServeData();
+ }
+ else
+ {
+ reqbuffer.append(recvq);
+
+ if (reqbuffer.length() >= 8192)
+ {
+ ServerInstance->Logs->Log("m_httpd",DEBUG, "m_httpd dropped connection due to an oversized request buffer");
+ reqbuffer.clear();
+ SetError("Buffer");
+ }
+
+ if (InternalState == HTTP_SERVE_WAIT_REQUEST)
+ CheckRequestBuffer();
+ }
+ }
+
+ void CheckRequestBuffer()
+ {
+ std::string::size_type reqend = reqbuffer.find("\r\n\r\n");
+ if (reqend == std::string::npos)
+ return;
+
+ // We have the headers; parse them all
+ std::string::size_type hbegin = 0, hend;
+ while ((hend = reqbuffer.find("\r\n", hbegin)) != std::string::npos)
+ {
+ if (hbegin == hend)
+ break;
+
+ if (request_type.empty())
+ {
+ std::istringstream cheader(std::string(reqbuffer, hbegin, hend - hbegin));
+ cheader >> request_type;
+ cheader >> uri;
+ cheader >> http_version;
+
+ if (request_type.empty() || uri.empty() || http_version.empty())
+ {
+ SendHTTPError(400);
+ return;
+ }
+
+ hbegin = hend + 2;
+ continue;
+ }
+
+ std::string cheader = reqbuffer.substr(hbegin, hend - hbegin);
+
+ std::string::size_type fieldsep = cheader.find(':');
+ if ((fieldsep == std::string::npos) || (fieldsep == 0) || (fieldsep == cheader.length() - 1))
+ {
+ SendHTTPError(400);
+ return;
+ }
+
+ headers.SetHeader(cheader.substr(0, fieldsep), cheader.substr(fieldsep + 2));
+
+ hbegin = hend + 2;
+ }
+
+ reqbuffer.erase(0, reqend + 4);
+
+ std::transform(request_type.begin(), request_type.end(), request_type.begin(), ::toupper);
+ std::transform(http_version.begin(), http_version.end(), http_version.begin(), ::toupper);
+
+ if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0"))
+ {
+ SendHTTPError(505);
+ return;
+ }
+
+ if (headers.IsSet("Content-Length") && (postsize = ConvToInt(headers.GetHeader("Content-Length"))) > 0)
+ {
+ InternalState = HTTP_SERVE_RECV_POSTDATA;
+
+ if (reqbuffer.length() >= postsize)
+ {
+ postdata = reqbuffer.substr(0, postsize);
+ reqbuffer.erase(0, postsize);
+ }
+ else if (!reqbuffer.empty())
+ {
+ postdata = reqbuffer;
+ reqbuffer.clear();
+ }
+
+ if (postdata.length() >= postsize)
+ ServeData();
+
+ return;
+ }
+
+ ServeData();
+ }
+
+ void ServeData()
+ {
+ InternalState = HTTP_SERVE_SEND_DATA;
+
+ claimed = false;
+ HTTPRequest acl((Module*)HttpModule, "httpd_acl", request_type, uri, &headers, this, ip, postdata);
+ acl.Send();
+ if (!claimed)
+ {
+ HTTPRequest url((Module*)HttpModule, "httpd_url", request_type, uri, &headers, this, ip, postdata);
+ url.Send();
+ if (!claimed)
+ {
+ SendHTTPError(404);
+ }
+ }
+ }
+
+ void Page(std::stringstream* n, int response, HTTPHeaders *hheaders)
+ {
+ SendHeaders(n->str().length(), response, *hheaders);
+ WriteData(n->str());
+ }
+};
+
+class ModuleHttpServer : public Module
+{
+ std::vector<HttpServerSocket *> httpsocks;
+ public:
+
+ void init()
+ {
+ HttpModule = this;
+ ServerInstance->Modules->Attach(I_OnAcceptConnection, this);
+ }
+
+ void OnRequest(Request& request)
+ {
+ if (strcmp(request.id, "HTTP-DOC") != 0)
+ return;
+ HTTPDocumentResponse& resp = static_cast<HTTPDocumentResponse&>(request);
+ claimed = true;
+ resp.src.sock->Page(resp.document, resp.responsecode, &resp.headers);
+ }
+
+ ModResult OnAcceptConnection(int nfd, ListenSocket* from, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+ {
+ if (from->bind_tag->getString("type") != "httpd")
+ return MOD_RES_PASSTHRU;
+ int port;
+ std::string incomingip;
+ irc::sockets::satoap(*client, incomingip, port);
+ new HttpServerSocket(nfd, incomingip, from, client, server);
+ return MOD_RES_ALLOW;
+ }
+
+
+ virtual ~ModuleHttpServer()
+ {
+ for (size_t i = 0; i < httpsocks.size(); i++)
+ {
+ httpsocks[i]->cull();
+ delete httpsocks[i];
+ }
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version("Provides HTTP serving facilities to modules", VF_VENDOR);
+ }
+};
+
+MODULE_INIT(ModuleHttpServer)