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[apt.git] / test / interactive-helper / aptwebserver.cc
index 3403bbdd284f963f6d4e436bbd7304a2adb05d20..4b98cbd7c6a390f63d5fcc4c1a8a305ea56fb1f9 100644 (file)
@@ -6,6 +6,8 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 
+#include "teestream.h"
+
 #include <dirent.h>
 #include <errno.h>
 #include <netinet/in.h>
 
 #include <algorithm>
 #include <iostream>
+#include <fstream>
 #include <sstream>
 #include <list>
 #include <string>
+#include <thread>
 #include <vector>
 
-static char const * httpcodeToStr(int const httpcode)          /*{{{*/
+static std::string httpcodeToStr(int const httpcode)                   /*{{{*/
 {
    switch (httpcode)
    {
       // Informational 1xx
-      case 100: return "100 Continue";
-      case 101: return "101 Switching Protocols";
+      case 100: return _config->Find("aptwebserver::httpcode::100", "100 Continue");
+      case 101: return _config->Find("aptwebserver::httpcode::101", "101 Switching Protocols");
       // Successful 2xx
-      case 200: return "200 OK";
-      case 201: return "201 Created";
-      case 202: return "202 Accepted";
-      case 203: return "203 Non-Authoritative Information";
-      case 204: return "204 No Content";
-      case 205: return "205 Reset Content";
-      case 206: return "206 Partial Content";
+      case 200: return _config->Find("aptwebserver::httpcode::200", "200 OK");
+      case 201: return _config->Find("aptwebserver::httpcode::201", "201 Created");
+      case 202: return _config->Find("aptwebserver::httpcode::202", "202 Accepted");
+      case 203: return _config->Find("aptwebserver::httpcode::203", "203 Non-Authoritative Information");
+      case 204: return _config->Find("aptwebserver::httpcode::204", "204 No Content");
+      case 205: return _config->Find("aptwebserver::httpcode::205", "205 Reset Content");
+      case 206: return _config->Find("aptwebserver::httpcode::206", "206 Partial Content");
       // Redirections 3xx
-      case 300: return "300 Multiple Choices";
-      case 301: return "301 Moved Permanently";
-      case 302: return "302 Found";
-      case 303: return "303 See Other";
-      case 304: return "304 Not Modified";
-      case 305: return "304 Use Proxy";
-      case 307: return "307 Temporary Redirect";
+      case 300: return _config->Find("aptwebserver::httpcode::300", "300 Multiple Choices");
+      case 301: return _config->Find("aptwebserver::httpcode::301", "301 Moved Permanently");
+      case 302: return _config->Find("aptwebserver::httpcode::302", "302 Found");
+      case 303: return _config->Find("aptwebserver::httpcode::303", "303 See Other");
+      case 304: return _config->Find("aptwebserver::httpcode::304", "304 Not Modified");
+      case 305: return _config->Find("aptwebserver::httpcode::305", "305 Use Proxy");
+      case 307: return _config->Find("aptwebserver::httpcode::307", "307 Temporary Redirect");
       // Client errors 4xx
-      case 400: return "400 Bad Request";
-      case 401: return "401 Unauthorized";
-      case 402: return "402 Payment Required";
-      case 403: return "403 Forbidden";
-      case 404: return "404 Not Found";
-      case 405: return "405 Method Not Allowed";
-      case 406: return "406 Not Acceptable";
-      case 407: return "407 Proxy Authentication Required";
-      case 408: return "408 Request Time-out";
-      case 409: return "409 Conflict";
-      case 410: return "410 Gone";
-      case 411: return "411 Length Required";
-      case 412: return "412 Precondition Failed";
-      case 413: return "413 Request Entity Too Large";
-      case 414: return "414 Request-URI Too Large";
-      case 415: return "415 Unsupported Media Type";
-      case 416: return "416 Requested range not satisfiable";
-      case 417: return "417 Expectation Failed";
-      case 418: return "418 I'm a teapot";
+      case 400: return _config->Find("aptwebserver::httpcode::400", "400 Bad Request");
+      case 401: return _config->Find("aptwebserver::httpcode::401", "401 Unauthorized");
+      case 402: return _config->Find("aptwebserver::httpcode::402", "402 Payment Required");
+      case 403: return _config->Find("aptwebserver::httpcode::403", "403 Forbidden");
+      case 404: return _config->Find("aptwebserver::httpcode::404", "404 Not Found");
+      case 405: return _config->Find("aptwebserver::httpcode::405", "405 Method Not Allowed");
+      case 406: return _config->Find("aptwebserver::httpcode::406", "406 Not Acceptable");
+      case 407: return _config->Find("aptwebserver::httpcode::407", "407 Proxy Authentication Required");
+      case 408: return _config->Find("aptwebserver::httpcode::408", "408 Request Time-out");
+      case 409: return _config->Find("aptwebserver::httpcode::409", "409 Conflict");
+      case 410: return _config->Find("aptwebserver::httpcode::410", "410 Gone");
+      case 411: return _config->Find("aptwebserver::httpcode::411", "411 Length Required");
+      case 412: return _config->Find("aptwebserver::httpcode::412", "412 Precondition Failed");
+      case 413: return _config->Find("aptwebserver::httpcode::413", "413 Request Entity Too Large");
+      case 414: return _config->Find("aptwebserver::httpcode::414", "414 Request-URI Too Large");
+      case 415: return _config->Find("aptwebserver::httpcode::415", "415 Unsupported Media Type");
+      case 416: return _config->Find("aptwebserver::httpcode::416", "416 Requested range not satisfiable");
+      case 417: return _config->Find("aptwebserver::httpcode::417", "417 Expectation Failed");
+      case 418: return _config->Find("aptwebserver::httpcode::418", "418 I'm a teapot");
       // Server error 5xx
-      case 500: return "500 Internal Server Error";
-      case 501: return "501 Not Implemented";
-      case 502: return "502 Bad Gateway";
-      case 503: return "503 Service Unavailable";
-      case 504: return "504 Gateway Time-out";
-      case 505: return "505 HTTP Version not supported";
-   }
-   return NULL;
+      case 500: return _config->Find("aptwebserver::httpcode::500", "500 Internal Server Error");
+      case 501: return _config->Find("aptwebserver::httpcode::501", "501 Not Implemented");
+      case 502: return _config->Find("aptwebserver::httpcode::502", "502 Bad Gateway");
+      case 503: return _config->Find("aptwebserver::httpcode::503", "503 Service Unavailable");
+      case 504: return _config->Find("aptwebserver::httpcode::504", "504 Gateway Time-out");
+      case 505: return _config->Find("aptwebserver::httpcode::505", "505 HTTP Version not supported");
+   }
+   return "";
 }
                                                                        /*}}}*/
 static bool chunkedTransferEncoding(std::list<std::string> const &headers) {
@@ -96,9 +100,12 @@ static void addFileHeaders(std::list<std::string> &headers, FileFd &data)/*{{{*/
       contentlength << "Content-Length: " << data.FileSize();
       headers.push_back(contentlength.str());
    }
-   std::string lastmodified("Last-Modified: ");
-   lastmodified.append(TimeRFC1123(data.ModificationTime()));
-   headers.push_back(lastmodified);
+   if (_config->FindB("aptwebserver::support::last-modified", true) == true)
+   {
+      std::string lastmodified("Last-Modified: ");
+      lastmodified.append(TimeRFC1123(data.ModificationTime(), false));
+      headers.push_back(lastmodified);
+   }
 }
                                                                        /*}}}*/
 static void addDataHeaders(std::list<std::string> &headers, std::string &data)/*{{{*/
@@ -111,7 +118,7 @@ static void addDataHeaders(std::list<std::string> &headers, std::string &data)/*
    }
 }
                                                                        /*}}}*/
-static bool sendHead(int const client, int const httpcode, std::list<std::string> &headers)/*{{{*/
+static bool sendHead(std::ostream &log, int const client, int const httpcode, std::list<std::string> &headers)/*{{{*/
 {
    std::string response("HTTP/1.1 ");
    response.append(httpcodeToStr(httpcode));
@@ -119,19 +126,22 @@ static bool sendHead(int const client, int const httpcode, std::list<std::string
    _config->Set("APTWebserver::Last-Status-Code", httpcode);
 
    std::stringstream buffer;
+   auto const empties = _config->FindVector("aptwebserver::empty-response-header");
+   for (auto && e: empties)
+      buffer << e << ":" << std::endl;
    _config->Dump(buffer, "aptwebserver::response-header", "%t: %v%n", false);
    std::vector<std::string> addheaders = VectorizeString(buffer.str(), '\n');
    for (std::vector<std::string>::const_iterator h = addheaders.begin(); h != addheaders.end(); ++h)
       headers.push_back(*h);
 
    std::string date("Date: ");
-   date.append(TimeRFC1123(time(NULL)));
+   date.append(TimeRFC1123(time(NULL), false));
    headers.push_back(date);
 
    if (chunkedTransferEncoding(headers) == true)
       headers.push_back("Transfer-Encoding: chunked");
 
-   std::clog << ">>> RESPONSE to " << client << " >>>" << std::endl;
+   log << ">>> RESPONSE to " << client << " >>>" << std::endl;
    bool Success = true;
    for (std::list<std::string>::const_iterator h = headers.begin();
        Success == true && h != headers.end(); ++h)
@@ -139,11 +149,11 @@ static bool sendHead(int const client, int const httpcode, std::list<std::string
       Success &= FileFd::Write(client, h->c_str(), h->size());
       if (Success == true)
         Success &= FileFd::Write(client, "\r\n", 2);
-      std::clog << *h << std::endl;
+      log << *h << std::endl;
    }
    if (Success == true)
       Success &= FileFd::Write(client, "\r\n", 2);
-   std::clog << "<<<<<<<<<<<<<<<<" << std::endl;
+   log << "<<<<<<<<<<<<<<<<" << std::endl;
    return Success;
 }
                                                                        /*}}}*/
@@ -203,11 +213,11 @@ static bool sendData(int const client, std::list<std::string> const &headers, st
    return true;
 }
                                                                        /*}}}*/
-static void sendError(int const client, int const httpcode, std::string const &request,/*{{{*/
+static void sendError(std::ostream &log, int const client, int const httpcode, std::string const &request,/*{{{*/
               bool const content, std::string const &error, std::list<std::string> &headers)
 {
-   std::string response("<html><head><title>");
-   response.append(httpcodeToStr(httpcode)).append("</title></head>");
+   std::string response("<!doctype html><html><head><title>");
+   response.append(httpcodeToStr(httpcode)).append("</title><meta charset=\"utf-8\" /></head>");
    response.append("<body><h1>").append(httpcodeToStr(httpcode)).append("</h1>");
    if (httpcode != 200)
       response.append("<p><em>Error</em>: ");
@@ -228,22 +238,22 @@ static void sendError(int const client, int const httpcode, std::string const &r
         headers.push_back("Connection: close");
    }
    addDataHeaders(headers, response);
-   sendHead(client, httpcode, headers);
+   sendHead(log, client, httpcode, headers);
    if (content == true)
       sendData(client, headers, response);
 }
-static void sendSuccess(int const client, std::string const &request,
+static void sendSuccess(std::ostream &log, int const client, std::string const &request,
               bool const content, std::string const &error, std::list<std::string> &headers)
 {
-   sendError(client, 200, request, content, error, headers);
+   sendError(log, client, 200, request, content, error, headers);
 }
                                                                        /*}}}*/
-static void sendRedirect(int const client, int const httpcode, std::string const &uri,/*{{{*/
-                 std::string const &request, bool content)
+static void sendRedirect(std::ostream &log, int const client, int const httpcode,/*{{{*/
+                 std::string const &uri, std::string const &request, bool content)
 {
    std::list<std::string> headers;
-   std::string response("<html><head><title>");
-   response.append(httpcodeToStr(httpcode)).append("</title></head>");
+   std::string response("<!doctype html><html><head><title>");
+   response.append(httpcodeToStr(httpcode)).append("</title><meta charset=\"utf-8\" /></head>");
    response.append("<body><h1>").append(httpcodeToStr(httpcode)).append("</h1");
    response.append("<p>You should be redirected to <em>").append(uri).append("</em></p>");
    response.append("This page is a result of the request: <pre>");
@@ -253,7 +263,10 @@ static void sendRedirect(int const client, int const httpcode, std::string const
    if (strncmp(uri.c_str(), "http://", 7) != 0 && strncmp(uri.c_str(), "https://", 8) != 0)
    {
       std::string const host = LookupTag(request, "Host");
-      if (host.find(":4433") != std::string::npos)
+      unsigned int const httpsport = _config->FindI("aptwebserver::port::https", 4433);
+      std::string hosthttpsport;
+      strprintf(hosthttpsport, ":%u", httpsport);
+      if (host.find(hosthttpsport) != std::string::npos)
         location.append("https://");
       else
         location.append("http://");
@@ -270,7 +283,7 @@ static void sendRedirect(int const client, int const httpcode, std::string const
    else
       location.append(uri);
    headers.push_back(location);
-   sendHead(client, httpcode, headers);
+   sendHead(log, client, httpcode, headers);
    if (content == true)
       sendData(client, headers, response);
 }
@@ -313,20 +326,19 @@ static int grouped_alpha_case_sort(const struct dirent **a, const struct dirent
    return strcasecmp((*a)->d_name, (*b)->d_name);
 }
                                                                        /*}}}*/
-static void sendDirectoryListing(int const client, std::string const &dir,/*{{{*/
+static void sendDirectoryListing(std::ostream &log, int const client, std::string const &dir,/*{{{*/
                          std::string const &request, bool content, std::list<std::string> &headers)
 {
-   std::ostringstream listing;
-
    struct dirent **namelist;
    int const counter = scandir(dir.c_str(), &namelist, filter_hidden_files, grouped_alpha_case_sort);
    if (counter == -1)
    {
-      sendError(client, 500, request, content, "scandir failed", headers);
+      sendError(log, client, 500, request, content, "scandir failed", headers);
       return;
    }
 
-   listing << "<html><head><title>Index of " << dir << "</title>"
+   std::ostringstream listing;
+   listing << "<!doctype html><html><head><title>Index of " << dir << "</title><meta charset=\"utf-8\" />"
           << "<style type=\"text/css\"><!-- td {padding: 0.02em 0.5em 0.02em 0.5em;}"
           << "tr:nth-child(even){background-color:#dfdfdf;}"
           << "h1, td:nth-child(3){text-align:center;}"
@@ -353,18 +365,18 @@ static void sendDirectoryListing(int const client, std::string const &dir,/*{{{*
                 << "<td><a href=\"" << namelist[i]->d_name << "\">" << namelist[i]->d_name << "</a></td>"
                 << "<td>" << SizeToStr(fs.st_size) << "B</td>";
       }
-      listing << "<td>" << TimeRFC1123(fs.st_mtime) << "</td></tr>" << std::endl;
+      listing << "<td>" << TimeRFC1123(fs.st_mtime, true) << "</td></tr>" << std::endl;
    }
    listing << "</table></body></html>" << std::endl;
 
    std::string response(listing.str());
    addDataHeaders(headers, response);
-   sendHead(client, 200, headers);
+   sendHead(log, client, 200, headers);
    if (content == true)
       sendData(client, headers, response);
 }
                                                                        /*}}}*/
-static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
+static bool parseFirstLine(std::ostream &log, int const client, std::string const &request,/*{{{*/
                    std::string &filename, std::string &params, bool &sendContent,
                    bool &closeConnection, std::list<std::string> &headers)
 {
@@ -372,7 +384,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
       sendContent = false;
    if (strncmp(request.c_str(), "GET ", 4) != 0)
    {
-      sendError(client, 501, request, true, "", headers);
+      sendError(log, client, 501, request, true, "", headers);
       return false;
    }
 
@@ -383,7 +395,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
    if (lineend == std::string::npos || filestart == std::string::npos ||
         fileend == std::string::npos || filestart == fileend)
    {
-      sendError(client, 500, request, sendContent, "Filename can't be extracted", headers);
+      sendError(log, client, 500, request, sendContent, "Filename can't be extracted", headers);
       return false;
    }
 
@@ -395,14 +407,14 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
       closeConnection = strcasecmp(LookupTag(request, "Connection", "Keep-Alive").c_str(), "close") == 0;
    else
    {
-      sendError(client, 500, request, sendContent, "Not a HTTP/1.{0,1} request", headers);
+      sendError(log, client, 500, request, sendContent, "Not a HTTP/1.{0,1} request", headers);
       return false;
    }
 
    filename = request.substr(filestart, fileend - filestart);
    if (filename.find(' ') != std::string::npos)
    {
-      sendError(client, 500, request, sendContent, "Filename contains an unencoded space", headers);
+      sendError(log, client, 500, request, sendContent, "Filename contains an unencoded space", headers);
       return false;
    }
 
@@ -410,7 +422,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
    if (host.empty() == true)
    {
       // RFC 2616 ยง14.23 requires Host
-      sendError(client, 400, request, sendContent, "Host header is required", headers);
+      sendError(log, client, 400, request, sendContent, "Host header is required", headers);
       return false;
    }
    host = "http://" + host;
@@ -421,7 +433,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
    {
       if (absolute.find("uri") == std::string::npos)
       {
-        sendError(client, 400, request, sendContent, "Request is absoluteURI, but configured to not accept that", headers);
+        sendError(log, client, 400, request, sendContent, "Request is absoluteURI, but configured to not accept that", headers);
         return false;
       }
 
@@ -433,9 +445,9 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
       if (authConf.empty() != auth.empty())
       {
         if (auth.empty())
-           sendError(client, 407, request, sendContent, "Proxy requires authentication", headers);
+           sendError(log, client, 407, request, sendContent, "Proxy requires authentication", headers);
         else
-           sendError(client, 407, request, sendContent, "Client wants to authenticate to proxy, but proxy doesn't need it", headers);
+           sendError(log, client, 407, request, sendContent, "Client wants to authenticate to proxy, but proxy doesn't need it", headers);
        return false;
       }
       if (authConf.empty() == false)
@@ -446,7 +458,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
            auth.erase(0, strlen(basic));
            if (auth != authConf)
            {
-              sendError(client, 407, request, sendContent, "Proxy-Authentication doesn't match", headers);
+              sendError(log, client, 407, request, sendContent, "Proxy-Authentication doesn't match", headers);
               return false;
            }
         }
@@ -454,14 +466,14 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
         {
            std::list<std::string> headers;
            headers.push_back("Proxy-Authenticate: Basic");
-           sendError(client, 407, request, sendContent, "Unsupported Proxy-Authentication Scheme", headers);
+           sendError(log, client, 407, request, sendContent, "Unsupported Proxy-Authentication Scheme", headers);
            return false;
         }
       }
    }
    else if (absolute.find("path") == std::string::npos && APT::String::Startswith(filename, "/_config/") == false)
    {
-      sendError(client, 400, request, sendContent, "Request is absolutePath, but configured to not accept that", headers);
+      sendError(log, client, 400, request, sendContent, "Request is absolutePath, but configured to not accept that", headers);
       return false;
    }
 
@@ -472,9 +484,9 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
       if (authConf.empty() != auth.empty())
       {
         if (auth.empty())
-           sendError(client, 401, request, sendContent, "Server requires authentication", headers);
+           sendError(log, client, 401, request, sendContent, "Server requires authentication", headers);
         else
-           sendError(client, 401, request, sendContent, "Client wants to authenticate to server, but server doesn't need it", headers);
+           sendError(log, client, 401, request, sendContent, "Client wants to authenticate to server, but server doesn't need it", headers);
         return false;
       }
       if (authConf.empty() == false)
@@ -485,14 +497,14 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
            auth.erase(0, strlen(basic));
            if (auth != authConf)
            {
-              sendError(client, 401, request, sendContent, "Authentication doesn't match", headers);
+              sendError(log, client, 401, request, sendContent, "Authentication doesn't match", headers);
               return false;
            }
         }
         else
         {
            headers.push_back("WWW-Authenticate: Basic");
-           sendError(client, 401, request, sendContent, "Unsupported Authentication Scheme", headers);
+           sendError(log, client, 401, request, sendContent, "Unsupported Authentication Scheme", headers);
            return false;
         }
       }
@@ -514,7 +526,7 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
        filename.find("/../") != std::string::npos)
    {
       std::list<std::string> headers;
-      sendError(client, 400, request, sendContent, "Filename contains illegal character (sequence)", headers);
+      sendError(log, client, 400, request, sendContent, "Filename contains illegal character (sequence)", headers);
       return false;
    }
 
@@ -550,8 +562,8 @@ static bool parseFirstLine(int const client, std::string const &request,/*{{{*/
    return true;
 }
                                                                        /*}}}*/
-static bool handleOnTheFlyReconfiguration(int const client, std::string const &request,/*{{{*/
-      std::vector<std::string> parts, std::list<std::string> &headers)
+static bool handleOnTheFlyReconfiguration(std::ostream &log, int const client,/*{{{*/
+      std::string const &request, std::vector<std::string> parts, std::list<std::string> &headers)
 {
    size_t const pcount = parts.size();
    for (size_t i = 0; i < pcount; ++i)
@@ -559,14 +571,14 @@ static bool handleOnTheFlyReconfiguration(int const client, std::string const &r
    if (pcount == 4 && parts[1] == "set")
    {
       _config->Set(parts[2], parts[3]);
-      sendSuccess(client, request, true, "Option '" + parts[2] + "' was set to '" + parts[3] + "'!", headers);
+      sendSuccess(log, client, request, true, "Option '" + parts[2] + "' was set to '" + parts[3] + "'!", headers);
       return true;
    }
    else if (pcount == 4 && parts[1] == "find")
    {
       std::string response = _config->Find(parts[2], parts[3]);
       addDataHeaders(headers, response);
-      sendHead(client, 200, headers);
+      sendHead(log, client, 200, headers);
       sendData(client, headers, response);
       return true;
    }
@@ -576,45 +588,59 @@ static bool handleOnTheFlyReconfiguration(int const client, std::string const &r
       {
         std::string response = _config->Find(parts[2]);
         addDataHeaders(headers, response);
-        sendHead(client, 200, headers);
+        sendHead(log, client, 200, headers);
         sendData(client, headers, response);
         return true;
       }
-      sendError(client, 404, request, true, "Requested Configuration option doesn't exist", headers);
+      sendError(log, client, 404, request, true, "Requested Configuration option doesn't exist", headers);
       return false;
    }
    else if (pcount == 3 && parts[1] == "clear")
    {
       _config->Clear(parts[2]);
-      sendSuccess(client, request, true, "Option '" + parts[2] + "' was cleared.", headers);
+      sendSuccess(log, client, request, true, "Option '" + parts[2] + "' was cleared.", headers);
       return true;
    }
 
-   sendError(client, 400, request, true, "Unknown on-the-fly configuration request", headers);
+   sendError(log, client, 400, request, true, "Unknown on-the-fly configuration request", headers);
    return false;
 }
                                                                        /*}}}*/
-static void * handleClient(void * voidclient)                          /*{{{*/
+static void * handleClient(int const client, size_t const id)          /*{{{*/
 {
-   int client = *((int*)(voidclient));
-   std::clog << "ACCEPT client " << client << std::endl;
-   std::vector<std::string> messages;
+   auto logfilepath = _config->FindFile("aptwebserver::logfiles");
+   if (logfilepath.empty() == false)
+      strprintf(logfilepath, "%s.client-%lu.log", logfilepath.c_str(), id);
+   else
+      logfilepath = "/dev/null";
+   std::ofstream logfile(logfilepath);
+   basic_teeostream<char> log(std::clog, logfile);
+
+   log << "ACCEPT client " << client << std::endl;
    bool closeConnection = false;
-   std::list<std::string> headers;
-   while (closeConnection == false && ReadMessages(client, messages))
+   while (closeConnection == false)
    {
-      // if we announced a closing, do the close
-      if (std::find(headers.begin(), headers.end(), std::string("Connection: close")) != headers.end())
+      std::vector<std::string> messages;
+      if (ReadMessages(client, messages) == false)
         break;
-      headers.clear();
+
+      std::list<std::string> headers;
       for (std::vector<std::string>::const_iterator m = messages.begin();
            m != messages.end() && closeConnection == false; ++m) {
-        std::clog << ">>> REQUEST from " << client << " >>>" << std::endl << *m
+        // if we announced a closing in previous response, do the close now
+        if (std::find(headers.begin(), headers.end(), std::string("Connection: close")) != headers.end())
+        {
+           closeConnection = true;
+           break;
+        }
+        headers.clear();
+
+        log << ">>> REQUEST from " << client << " >>>" << std::endl << *m
            << std::endl << "<<<<<<<<<<<<<<<<" << std::endl;
         std::string filename;
         std::string params;
         bool sendContent = true;
-        if (parseFirstLine(client, *m, filename, params, sendContent, closeConnection, headers) == false)
+        if (parseFirstLine(log, client, *m, filename, params, sendContent, closeConnection, headers) == false)
            continue;
 
         // special webserver command request
@@ -623,7 +649,7 @@ static void * handleClient(void * voidclient)                               /*{{{*/
            std::vector<std::string> parts = VectorizeString(filename, '/');
            if (parts[0] == "_config")
            {
-              handleOnTheFlyReconfiguration(client, *m, parts, headers);
+              handleOnTheFlyReconfiguration(log, client, *m, parts, headers);
               continue;
            }
         }
@@ -639,7 +665,7 @@ static void * handleClient(void * voidclient)                               /*{{{*/
               redirect.erase(0,1);
            if (redirect != filename)
            {
-              sendRedirect(client, 301, redirect, *m, sendContent);
+              sendRedirect(log, client, _config->FindI("aptwebserver::redirect::httpcode", 301), redirect, *m, sendContent);
               continue;
            }
         }
@@ -655,7 +681,7 @@ static void * handleClient(void * voidclient)                               /*{{{*/
               {
                  char error[300];
                  regerror(res, pattern, error, sizeof(error));
-                 sendError(client, 500, *m, sendContent, error, headers);
+                 sendError(log, client, 500, *m, sendContent, error, headers);
                  continue;
               }
               if (regexec(pattern, filename.c_str(), 0, 0, 0) == 0)
@@ -671,10 +697,13 @@ static void * handleClient(void * voidclient)                             /*{{{*/
         }
 
         // deal with the request
+        unsigned int const httpsport = _config->FindI("aptwebserver::port::https", 4433);
+        std::string hosthttpsport;
+        strprintf(hosthttpsport, ":%u", httpsport);
         if (_config->FindB("aptwebserver::support::http", true) == false &&
-              LookupTag(*m, "Host").find(":4433") == std::string::npos)
+              LookupTag(*m, "Host").find(hosthttpsport) == std::string::npos)
         {
-           sendError(client, 400, *m, sendContent, "HTTP disabled, all requests must be HTTPS", headers);
+           sendError(log, client, 400, *m, sendContent, "HTTP disabled, all requests must be HTTPS", headers);
            continue;
         }
         else if (RealFileExists(filename) == true)
@@ -687,7 +716,7 @@ static void * handleClient(void * voidclient)                               /*{{{*/
               if (RFC1123StrToTime(condition.c_str(), cache) == true &&
                     cache >= data.ModificationTime())
               {
-                 sendHead(client, 304, headers);
+                 sendHead(log, client, 304, headers);
                  continue;
               }
            }
@@ -698,6 +727,15 @@ static void * handleClient(void * voidclient)                              /*{{{*/
               condition.clear();
            if (condition.empty() == false && strncmp(condition.c_str(), "bytes=", 6) == 0)
            {
+              std::string ranges = ',' + _config->Find("aptwebserver::response-header::Accept-Ranges") + ',';
+              ranges.erase(std::remove(ranges.begin(), ranges.end(), ' '), ranges.end());
+              if (ranges.find(",bytes,") == std::string::npos)
+              {
+                 // we handle it as an error here because we are a test server - a real one should just ignore it
+                 sendError(log, client, 400, *m, sendContent, "Client does range requests we don't support", headers);
+                 continue;
+              }
+
               time_t cache;
               std::string ifrange;
               if (_config->FindB("aptwebserver::support::if-range", true) == true)
@@ -721,50 +759,62 @@ static void * handleClient(void * voidclient)                             /*{{{*/
                     if (filesize > filestart)
                     {
                        data.Skip(filestart);
-                       std::ostringstream contentlength;
-                       contentlength << "Content-Length: " << (filesize - filestart);
-                       headers.push_back(contentlength.str());
+                        // make sure to send content-range before conent-length
+                        // as regression test for LP: #1445239
                        std::ostringstream contentrange;
                        contentrange << "Content-Range: bytes " << filestart << "-"
                           << filesize - 1 << "/" << filesize;
                        headers.push_back(contentrange.str());
-                       sendHead(client, 206, headers);
+                       std::ostringstream contentlength;
+                       contentlength << "Content-Length: " << (filesize - filestart);
+                       headers.push_back(contentlength.str());
+                       sendHead(log, client, 206, headers);
                        if (sendContent == true)
                           sendFile(client, headers, data);
                        continue;
                     }
                     else
                     {
-                       std::ostringstream contentrange;
-                       contentrange << "Content-Range: bytes */" << filesize;
-                       headers.push_back(contentrange.str());
-                       sendError(client, 416, *m, sendContent, "", headers);
-                       break;
+                       if (_config->FindB("aptwebserver::support::content-range", true) == true)
+                       {
+                          std::ostringstream contentrange;
+                          contentrange << "Content-Range: bytes */" << filesize;
+                          headers.push_back(contentrange.str());
+                       }
+                       sendError(log, client, 416, *m, sendContent, "", headers);
+                       continue;
                     }
                  }
               }
            }
 
            addFileHeaders(headers, data);
-           sendHead(client, 200, headers);
+           sendHead(log, client, 200, headers);
            if (sendContent == true)
               sendFile(client, headers, data);
         }
         else if (DirectoryExists(filename) == true)
         {
            if (filename[filename.length()-1] == '/')
-              sendDirectoryListing(client, filename, *m, sendContent, headers);
+              sendDirectoryListing(log, client, filename, *m, sendContent, headers);
            else
-              sendRedirect(client, 301, filename.append("/"), *m, sendContent);
+              sendRedirect(log, client, 301, filename.append("/"), *m, sendContent);
         }
         else
-           sendError(client, 404, *m, sendContent, "", headers);
+           sendError(log, client, 404, *m, sendContent, "", headers);
       }
+
+      // if we announced a closing in the last response, do the close now
+      if (std::find(headers.begin(), headers.end(), std::string("Connection: close")) != headers.end())
+        closeConnection = true;
+
+      if (_error->PendingError() == true)
+        break;
       _error->DumpErrors(std::cerr);
-      messages.clear();
    }
+   _error->DumpErrors(std::cerr);
    close(client);
-   std::clog << "CLOSE client " << client << std::endl;
+   log << "CLOSE client " << client << std::endl;
    return NULL;
 }
                                                                        /*}}}*/
@@ -772,10 +822,11 @@ static void * handleClient(void * voidclient)                             /*{{{*/
 int main(int const argc, const char * argv[])
 {
    CommandLine::Args Args[] = {
-      {0, "port", "aptwebserver::port", CommandLine::HasArg},
+      {'p', "port", "aptwebserver::port", CommandLine::HasArg},
       {0, "request-absolute", "aptwebserver::request::absolute", CommandLine::HasArg},
       {0, "authorization", "aptwebserver::authorization", CommandLine::HasArg},
       {0, "proxy-authorization", "aptwebserver::proxy-authorization", CommandLine::HasArg},
+      {0, "logfiles", "aptwebserver::logfiles", CommandLine::HasArg},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,0,0,0}
@@ -802,7 +853,7 @@ int main(int const argc, const char * argv[])
       return 1;
    }
 
-   int const port = _config->FindI("aptwebserver::port", 8080);
+   int port = _config->FindI("aptwebserver::port", 8080);
 
    // ensure that we accept all connections: v4 or v6
    int const iponly = 0;
@@ -824,6 +875,26 @@ int main(int const argc, const char * argv[])
       return 2;
    }
 
+   if (port == 0)
+   {
+      struct sockaddr_in6 addr;
+      socklen_t addrlen = sizeof(sockaddr_in6);
+      if (getsockname(sock, (struct sockaddr*) &addr, &addrlen) != 0)
+        _error->Errno("getsockname", "Could not get chosen port number");
+      else
+        port = ntohs(addr.sin6_port);
+   }
+   std::string const portfilename = _config->Find("aptwebserver::portfile", "");
+   if (portfilename.empty() == false)
+   {
+      FileFd portfile(portfilename, FileFd::WriteOnly | FileFd::Create | FileFd::Empty);
+      std::string portcontent;
+      strprintf(portcontent, "%d", port);
+      portfile.Write(portcontent.c_str(), portcontent.size());
+      portfile.Sync();
+   }
+   _config->Set("aptwebserver::port::http", port);
+
    FileFd pidfile;
    if (_config->FindB("aptwebserver::fork", false) == true)
    {
@@ -849,6 +920,7 @@ int main(int const argc, const char * argv[])
         std::string pidcontent;
         strprintf(pidcontent, "%d", child);
         pidfile.Write(pidcontent.c_str(), pidcontent.size());
+        pidfile.Sync();
         if (_error->PendingError() == true)
         {
            _error->DumpErrors(std::cerr);
@@ -870,8 +942,7 @@ int main(int const argc, const char * argv[])
    _config->CndSet("aptwebserver::response-header::Accept-Ranges", "bytes");
    _config->CndSet("aptwebserver::directoryindex", "index.html");
 
-   std::list<int> accepted_clients;
-
+   size_t id = 0;
    while (true)
    {
       int client = accept(sock, NULL, NULL);
@@ -884,25 +955,8 @@ int main(int const argc, const char * argv[])
         return 6;
       }
 
-      pthread_attr_t attr;
-      if (pthread_attr_init(&attr) != 0 || pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) != 0)
-      {
-        _error->Errno("pthread_attr", "Couldn't set detach attribute for a fresh thread to handle client %d on socket %d", client, sock);
-        _error->DumpErrors(std::cerr);
-        close(client);
-        continue;
-      }
-
-      pthread_t tid;
-      // thats rather dirty, but we need to store the client socket somewhere safe
-      accepted_clients.push_front(client);
-      if (pthread_create(&tid, &attr, &handleClient, &(*accepted_clients.begin())) != 0)
-      {
-        _error->Errno("pthread_create", "Couldn't create a fresh thread to handle client %d on socket %d", client, sock);
-        _error->DumpErrors(std::cerr);
-        close(client);
-        continue;
-      }
+      std::thread t(handleClient, client, ++id);
+      t.detach();
    }
    pidfile.Close();