X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/777b4ac6882b40f63f1aa9b6f4da78b8fdc56cbe..b6d88f39aceda2e093e1bf8751f07236b7d9e483:/methods/https.cc?ds=sidebyside

diff --git a/methods/https.cc b/methods/https.cc
index 86d7f3a6b..ac6d355ed 100644
--- a/methods/https.cc
+++ b/methods/https.cc
@@ -1,121 +1,233 @@
-// -*- mode: cpp; mode: fold -*-
+//-*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
 // $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
 /* ######################################################################
 
-   HTTPS Acquire Method - This is the HTTPS aquire method for APT.
+   HTTPS Acquire Method - This is the HTTPS acquire method for APT.
    
    It uses libcurl
 
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
+#include <config.h>
+
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/proxy.h>
 
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
-#include <signal.h>
 #include <stdio.h>
-#include <errno.h>
-#include <string.h>
 #include <iostream>
-#include <apti18n.h>
 #include <sstream>
+#include <ctype.h>
+#include <stdlib.h>
 
-#include "config.h"
 #include "https.h"
 
+#include <apti18n.h>
 									/*}}}*/
 using namespace std;
 
-size_t 
-HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
+struct APT_HIDDEN CURLUserPointer {
+   HttpsMethod * const https;
+   HttpsMethod::FetchResult * const Res;
+   HttpsMethod::FetchItem const * const Itm;
+   CURLUserPointer(HttpsMethod * const https, HttpsMethod::FetchResult * const Res,
+	 HttpsMethod::FetchItem const * const Itm) : https(https), Res(Res), Itm(Itm) {}
+};
+
+size_t
+HttpsMethod::parse_header(void *buffer, size_t size, size_t nmemb, void *userp)
 {
-   HttpsMethod *me = (HttpsMethod *)userp;
+   size_t len = size * nmemb;
+   CURLUserPointer *me = static_cast<CURLUserPointer *>(userp);
+   std::string line((char*) buffer, len);
+   for (--len; len > 0; --len)
+      if (isspace_ascii(line[len]) == 0)
+      {
+	 ++len;
+	 break;
+      }
+   line.erase(len);
 
-   if(me->File->Write(buffer, size*nmemb) != true)
-      return false;
+   if (line.empty() == true)
+   {
+      if (me->https->Server->Result != 416 && me->https->Server->StartPos != 0)
+	 ;
+      else if (me->https->Server->Result == 416)
+      {
+	 bool partialHit = false;
+	 if (me->Itm->ExpectedHashes.usable() == true)
+	 {
+	    Hashes resultHashes(me->Itm->ExpectedHashes);
+	    FileFd file(me->Itm->DestFile, FileFd::ReadOnly);
+	    me->https->Server->TotalFileSize = file.FileSize();
+	    me->https->Server->Date = file.ModificationTime();
+	    resultHashes.AddFD(file);
+	    HashStringList const hashList = resultHashes.GetHashStringList();
+	    partialHit = (me->Itm->ExpectedHashes == hashList);
+	 }
+	 else if (me->https->Server->Result == 416 && me->https->Server->TotalFileSize == me->https->File->FileSize())
+	    partialHit = true;
+
+	 if (partialHit == true)
+	 {
+	    me->https->Server->Result = 200;
+	    me->https->Server->StartPos = me->https->Server->TotalFileSize;
+	    // the actual size is not important for https as curl will deal with it
+	    // by itself and e.g. doesn't bother us with transport-encoding…
+	    me->https->Server->JunkSize = std::numeric_limits<unsigned long long>::max();
+	 }
+	 else
+	    me->https->Server->StartPos = 0;
+      }
+      else
+	 me->https->Server->StartPos = 0;
+
+      me->Res->LastModified = me->https->Server->Date;
+      me->Res->Size = me->https->Server->TotalFileSize;
+      me->Res->ResumePoint = me->https->Server->StartPos;
+
+      // we expect valid data, so tell our caller we get the file now
+      if (me->https->Server->Result >= 200 && me->https->Server->Result < 300)
+      {
+	 if (me->https->Server->JunkSize == 0 && me->Res->Size != 0 && me->Res->Size > me->Res->ResumePoint)
+	    me->https->URIStart(*me->Res);
+	 if (me->https->Server->AddPartialFileToHashes(*(me->https->File)) == false)
+	    return 0;
+      }
+   }
+   else if (me->https->Server->HeaderLine(line) == false)
+      return 0;
 
    return size*nmemb;
 }
 
-int 
-HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow, 
-			      double ultotal, double ulnow)
+size_t 
+HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
 {
-   HttpsMethod *me = (HttpsMethod *)clientp;
-   if(dltotal > 0 && me->Res.Size == 0) {
-      me->Res.Size = (unsigned long)dltotal;
-      me->URIStart(me->Res);
+   HttpsMethod *me = static_cast<HttpsMethod *>(userp);
+   size_t buffer_size = size * nmemb;
+   // we don't need to count the junk here, just drop anything we get as
+   // we don't always know how long it would be, e.g. in chunked encoding.
+   if (me->Server->JunkSize != 0)
+      return buffer_size;
+
+   if(me->File->Write(buffer, buffer_size) != true)
+      return 0;
+
+   if(me->Queue->MaximumSize > 0)
+   {
+      unsigned long long const TotalWritten = me->File->Tell();
+      if (TotalWritten > me->Queue->MaximumSize)
+      {
+	 me->SetFailReason("MaximumSizeExceeded");
+	 _error->Error("Writing more data than expected (%llu > %llu)",
+	       TotalWritten, me->Queue->MaximumSize);
+	 return 0;
+      }
    }
-   return 0;
+
+   if (me->Server->GetHashes()->Add((unsigned char const * const)buffer, buffer_size) == false)
+      return 0;
+
+   return buffer_size;
 }
 
-void HttpsMethod::SetupProxy()
+// HttpsServerState::HttpsServerState - Constructor			/*{{{*/
+HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * Owner) : ServerState(Srv, Owner), Hash(NULL)
+{
+   TimeOut = _config->FindI("Acquire::https::Timeout",TimeOut);
+   Reset();
+}
+									/*}}}*/
+bool HttpsServerState::InitHashes(HashStringList const &ExpectedHashes)	/*{{{*/
+{
+   delete Hash;
+   Hash = new Hashes(ExpectedHashes);
+   return true;
+}
+									/*}}}*/
+APT_PURE Hashes * HttpsServerState::GetHashes()				/*{{{*/
+{
+   return Hash;
+}
+									/*}}}*/
+
+void HttpsMethod::SetupProxy()						/*{{{*/
 {
    URI ServerName = Queue->Uri;
 
    // Determine the proxy setting
-   string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
-   if (!SpecificProxy.empty())
-   {
-	   if (SpecificProxy == "DIRECT")
-		   Proxy = "";
-	   else
-		   Proxy = SpecificProxy;
-   }
-   else
-   {
-	   string DefProxy = _config->Find("Acquire::http::Proxy");
-	   if (!DefProxy.empty())
-	   {
-		   Proxy = DefProxy;
-	   }
-	   else
-	   {
-		   char* result = getenv("http_proxy");
-		   Proxy = result ? result : "";
-	   }
-   }
-   
-   // Parse no_proxy, a , separated list of domains
-   if (getenv("no_proxy") != 0)
+   AutoDetectProxy(ServerName);
+
+   // Curl should never read proxy settings from the environment, as
+   // we determine which proxy to use.  Do this for consistency among
+   // methods and prevent an environment variable overriding a
+   // no-proxy ("DIRECT") setting in apt.conf.
+   curl_easy_setopt(curl, CURLOPT_PROXY, "");
+
+   // Determine the proxy setting - try https first, fallback to http and use env at last
+   string UseProxy = _config->Find("Acquire::https::Proxy::" + ServerName.Host,
+				   _config->Find("Acquire::http::Proxy::" + ServerName.Host).c_str());
+
+   if (UseProxy.empty() == true)
+      UseProxy = _config->Find("Acquire::https::Proxy", _config->Find("Acquire::http::Proxy").c_str());
+
+   // User want to use NO proxy, so nothing to setup
+   if (UseProxy == "DIRECT")
+      return;
+
+   if (UseProxy.empty() == false) 
    {
-      if (CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
-	 Proxy = "";
+      // Parse no_proxy, a comma (,) separated list of domains we don't want to use
+      // a proxy for so we stop right here if it is in the list
+      if (getenv("no_proxy") != 0 && CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
+	 return;
+   } else {
+      const char* result = getenv("https_proxy");
+      // FIXME: Fall back to http_proxy is to remain compatible with
+      // existing setups and behaviour of apt.conf.  This should be
+      // deprecated in the future (including apt.conf).  Most other
+      // programs do not fall back to http proxy settings and neither
+      // should Apt.
+      if (result == NULL)
+         result = getenv("http_proxy");
+      UseProxy = result == NULL ? "" : result;
    }
-   
+
    // Determine what host and port to use based on the proxy settings
-   string Host;   
-   if (Proxy.empty() == true || Proxy.Host.empty() == true)
-   {
-   }
-   else
+   if (UseProxy.empty() == false) 
    {
-      if (Proxy.Port != 0)
+      Proxy = UseProxy;
+      if (Proxy.Port != 1)
 	 curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
       curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
+      if (Proxy.User.empty() == false || Proxy.Password.empty() == false)
+      {
+         curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, Proxy.User.c_str());
+         curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, Proxy.Password.c_str());
+      }
    }
-}
-
-
+}									/*}}}*/
 // HttpsMethod::Fetch - Fetch an item					/*{{{*/
 // ---------------------------------------------------------------------
 /* This adds an item to the pipeline. We keep the pipeline at a fixed
    depth. */
 bool HttpsMethod::Fetch(FetchItem *Itm)
 {
-   stringstream ss;
    struct stat SBuf;
-   struct curl_slist *headers=NULL;  
+   struct curl_slist *headers=NULL;
    char curl_errorstr[CURL_ERROR_SIZE];
-   long curl_responsecode;
    URI Uri = Itm->Uri;
    string remotehost = Uri.Host;
 
@@ -129,15 +241,20 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
 
    maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));
 
+   FetchResult Res;
+   CURLUserPointer userp(this, &Res, Itm);
    // callbacks
    curl_easy_setopt(curl, CURLOPT_URL, static_cast<string>(Uri).c_str());
+   curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, parse_header);
+   curl_easy_setopt(curl, CURLOPT_WRITEHEADER, &userp);
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
-   curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
-   curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, this);
-   curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
-   curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
+   // options
+   curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
    curl_easy_setopt(curl, CURLOPT_FILETIME, true);
+   // only allow curl to handle https, not the other stuff it supports
+   curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
+   curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
 
    // SSL parameters are set by default to the common (non mirror-specific) value
    // if available (or a default one) and gets overload by mirror-specific ones.
@@ -146,7 +263,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    string cainfo = _config->Find("Acquire::https::CaInfo","");
    string knob = "Acquire::https::"+remotehost+"::CaInfo";
    cainfo = _config->Find(knob.c_str(),cainfo.c_str());
-   if(cainfo != "")
+   if(cainfo.empty() == false)
       curl_easy_setopt(curl, CURLOPT_CAINFO,cainfo.c_str());
 
    // Check server certificate against previous CA list ...
@@ -156,26 +273,31 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);
 
    // ... and hostname against cert CN or subjectAltName
-   int default_verify = 2;
    bool verify = _config->FindB("Acquire::https::Verify-Host",true);
    knob = "Acquire::https::"+remotehost+"::Verify-Host";
    verify = _config->FindB(knob.c_str(),verify);
-   if (!verify)
-      default_verify = 0;
-   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);
+   int const default_verify = (verify == true) ? 2 : 0;
+   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, default_verify);
+
+   // Also enforce issuer of server certificate using its cert
+   string issuercert = _config->Find("Acquire::https::IssuerCert","");
+   knob = "Acquire::https::"+remotehost+"::IssuerCert";
+   issuercert = _config->Find(knob.c_str(),issuercert.c_str());
+   if(issuercert.empty() == false)
+      curl_easy_setopt(curl, CURLOPT_ISSUERCERT,issuercert.c_str());
 
    // For client authentication, certificate file ...
    string pem = _config->Find("Acquire::https::SslCert","");
    knob = "Acquire::https::"+remotehost+"::SslCert";
    pem = _config->Find(knob.c_str(),pem.c_str());
-   if(pem != "")
+   if(pem.empty() == false)
       curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
 
    // ... and associated key.
    string key = _config->Find("Acquire::https::SslKey","");
    knob = "Acquire::https::"+remotehost+"::SslKey";
    key = _config->Find(knob.c_str(),key.c_str());
-   if(key != "")
+   if(key.empty() == false)
       curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
 
    // Allow forcing SSL version to SSLv3 or TLSv1 (SSLv2 is not
@@ -190,13 +312,24 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
      final_version = CURL_SSLVERSION_SSLv3;
    curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
 
+   // CRL file
+   string crlfile = _config->Find("Acquire::https::CrlFile","");
+   knob = "Acquire::https::"+remotehost+"::CrlFile";
+   crlfile = _config->Find(knob.c_str(),crlfile.c_str());
+   if(crlfile.empty() == false)
+      curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());
+
    // cache-control
-   if(_config->FindB("Acquire::http::No-Cache",false) == false)
+   if(_config->FindB("Acquire::https::No-Cache",
+	_config->FindB("Acquire::http::No-Cache",false)) == false)
    {
       // cache enabled
-      if (_config->FindB("Acquire::http::No-Store",false) == true)
+      if (_config->FindB("Acquire::https::No-Store",
+		_config->FindB("Acquire::http::No-Store",false)) == true)
 	 headers = curl_slist_append(headers,"Cache-Control: no-store");
-      ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::http::Max-Age",0));
+      stringstream ss;
+      ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::https::Max-Age",
+		_config->FindI("Acquire::http::Max-Age",0)));
       headers = curl_slist_append(headers, ss.str().c_str());
    } else {
       // cache disabled by user
@@ -206,41 +339,59 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
 
    // speed limit
-   int dlLimit = _config->FindI("Acquire::http::Dl-Limit",0)*1024;
+   int const dlLimit = _config->FindI("Acquire::https::Dl-Limit",
+		_config->FindI("Acquire::http::Dl-Limit",0))*1024;
    if (dlLimit > 0)
       curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);
 
    // set header
-   curl_easy_setopt(curl, CURLOPT_USERAGENT,"Debian APT-CURL/1.0 ("VERSION")");
+   curl_easy_setopt(curl, CURLOPT_USERAGENT,
+	_config->Find("Acquire::https::User-Agent",
+		_config->Find("Acquire::http::User-Agent",
+			"Debian APT-CURL/1.0 (" PACKAGE_VERSION ")").c_str()).c_str());
 
    // set timeout
-   int timeout = _config->FindI("Acquire::http::Timeout",120);
+   int const timeout = _config->FindI("Acquire::https::Timeout",
+		_config->FindI("Acquire::http::Timeout",120));
    curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);
    //set really low lowspeed timeout (see #497983)
    curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, DL_MIN_SPEED);
    curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, timeout);
 
    // set redirect options and default to 10 redirects
-   bool AllowRedirect = _config->FindI("Acquire::https::AllowRedirect", true);
    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, AllowRedirect);
    curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 10);
 
    // debug
-   if(_config->FindB("Debug::Acquire::https", false))
+   if (Debug == true)
       curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
 
    // error handling
+   curl_errorstr[0] = '\0';
    curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
 
+   // If we ask for uncompressed files servers might respond with content-
+   // negotiation which lets us end up with compressed files we do not support,
+   // see 657029, 657560 and co, so if we have no extension on the request
+   // ask for text only. As a sidenote: If there is nothing to negotate servers
+   // seem to be nice and ignore it.
+   if (_config->FindB("Acquire::https::SendAccept", _config->FindB("Acquire::http::SendAccept", true)) == true)
+   {
+      size_t const filepos = Itm->Uri.find_last_of('/');
+      string const file = Itm->Uri.substr(filepos + 1);
+      if (flExtension(file) == file)
+	 headers = curl_slist_append(headers, "Accept: text/*");
+   }
+
    // if we have the file send an if-range query with a range header
    if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
    {
-      char Buf[1000];
-      sprintf(Buf,"Range: bytes=%li-\r\nIf-Range: %s\r\n",
-	      (long)SBuf.st_size - 1,
-	      TimeRFC1123(SBuf.st_mtime).c_str());
-      headers = curl_slist_append(headers, Buf);
-   } 
+      std::string Buf;
+      strprintf(Buf, "Range: bytes=%lli-", (long long) SBuf.st_size);
+      headers = curl_slist_append(headers, Buf.c_str());
+      strprintf(Buf, "If-Range: %s", TimeRFC1123(SBuf.st_mtime).c_str());
+      headers = curl_slist_append(headers, Buf.c_str());
+   }
    else if(Itm->LastModified > 0)
    {
       curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
@@ -249,71 +400,131 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
 
    // go for it - if the file exists, append on it
    File = new FileFd(Itm->DestFile, FileFd::WriteAny);
-   if (File->Size() > 0)
-      File->Seek(File->Size() - 1);
-   
+   Server = CreateServerState(Itm->Uri);
+   if (Server->InitHashes(Itm->ExpectedHashes) == false)
+      return false;
+
    // keep apt updated
    Res.Filename = Itm->DestFile;
 
    // get it!
    CURLcode success = curl_easy_perform(curl);
-   curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);
 
-   long curl_servdate;
-   curl_easy_getinfo(curl, CURLINFO_FILETIME, &curl_servdate);
+   // If the server returns 200 OK but the If-Modified-Since condition is not
+   // met, CURLINFO_CONDITION_UNMET will be set to 1
+   long curl_condition_unmet = 0;
+   curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &curl_condition_unmet);
+
+   File->Close();
+   curl_slist_free_all(headers);
 
    // cleanup
-   if(success != 0) 
+   if (success != CURLE_OK)
+   {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wswitch"
+      switch (success)
+      {
+	 case CURLE_COULDNT_RESOLVE_PROXY:
+	 case CURLE_COULDNT_RESOLVE_HOST:
+	    SetFailReason("ResolveFailure");
+	    break;
+	 case CURLE_COULDNT_CONNECT:
+	    SetFailReason("ConnectionRefused");
+	    break;
+	 case CURLE_OPERATION_TIMEDOUT:
+	    SetFailReason("Timeout");
+	    break;
+      }
+#pragma GCC diagnostic pop
+      return _error->Error("%s", curl_errorstr);
+   }
+
+   // server says file not modified
+   if (Server->Result == 304 || curl_condition_unmet == 1)
    {
-      _error->Error("%s", curl_errorstr);
-      Fail();
+      RemoveFile("https", File->Name());
+      Res.IMSHit = true;
+      Res.LastModified = Itm->LastModified;
+      Res.Size = 0;
+      URIDone(Res);
       return true;
    }
-   File->Close();
+   Res.IMSHit = false;
 
-   // Timestamp
-   struct utimbuf UBuf;
-   if (curl_servdate != -1) {
-       UBuf.actime = curl_servdate;
-       UBuf.modtime = curl_servdate;
-       utime(File->Name().c_str(),&UBuf);
+   if (Server->Result != 200 && // OK
+	 Server->Result != 206 && // Partial
+	 Server->Result != 416) // invalid Range
+   {
+      char err[255];
+      snprintf(err, sizeof(err) - 1, "HttpError%i", Server->Result);
+      SetFailReason(err);
+      _error->Error("%i %s", Server->Result, Server->Code);
+      // unlink, no need keep 401/404 page content in partial/
+      RemoveFile("https", File->Name());
+      return false;
    }
 
-   // check the downloaded result
-   struct stat Buf;
-   if (stat(File->Name().c_str(),&Buf) == 0)
+   // invalid range-request
+   if (Server->Result == 416)
    {
-      Res.Filename = File->Name();
-      Res.LastModified = Buf.st_mtime;
-      Res.IMSHit = false;
-      if (curl_responsecode == 304)
-      {
-	 unlink(File->Name().c_str());
-	 Res.IMSHit = true;
-	 Res.LastModified = Itm->LastModified;
-	 Res.Size = 0;
-	 URIDone(Res);
-	 return true;
-      }
-      Res.Size = Buf.st_size;
+      RemoveFile("https", File->Name());
+      delete File;
+      Redirect(Itm->Uri);
+      return true;
+   }
+
+   struct stat resultStat;
+   if (unlikely(stat(File->Name().c_str(), &resultStat) != 0))
+   {
+      _error->Errno("stat", "Unable to access file %s", File->Name().c_str());
+      return false;
+   }
+   Res.Size = resultStat.st_size;
+
+   // Timestamp
+   curl_easy_getinfo(curl, CURLINFO_FILETIME, &Res.LastModified);
+   if (Res.LastModified != -1)
+   {
+      struct timeval times[2];
+      times[0].tv_sec = Res.LastModified;
+      times[1].tv_sec = Res.LastModified;
+      times[0].tv_usec = times[1].tv_usec = 0;
+      utimes(File->Name().c_str(), times);
    }
+   else
+      Res.LastModified = resultStat.st_mtime;
 
    // take hashes
-   Hashes Hash;
-   FileFd Fd(Res.Filename, FileFd::ReadOnly);
-   Hash.AddFD(Fd.Fd(), Fd.Size());
-   Res.TakeHashes(Hash);
-   
+   Res.TakeHashes(*(Server->GetHashes()));
+
    // keep apt updated
    URIDone(Res);
 
    // cleanup
-   Res.Size = 0;
    delete File;
-   curl_slist_free_all(headers);
 
    return true;
-};
+}
+									/*}}}*/
+// HttpsMethod::Configuration - Handle a configuration message		/*{{{*/
+bool HttpsMethod::Configuration(string Message)
+{
+   if (ServerMethod::Configuration(Message) == false)
+      return false;
+
+   AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
+	_config->FindB("Acquire::http::AllowRedirect", true));
+   Debug = _config->FindB("Debug::Acquire::https",false);
+
+   return true;
+}
+									/*}}}*/
+std::unique_ptr<ServerState> HttpsMethod::CreateServerState(URI const &uri)/*{{{*/
+{
+   return std::unique_ptr<ServerState>(new HttpsServerState(uri, this));
+}
+									/*}}}*/
 
 int main()
 {
@@ -325,4 +536,3 @@ int main()
    return Mth.Run();
 }
 
-