Drop curl method and apt-transport-https package

This automatically removes any old apt-transport-https, as
apt now Breaks it unversioned.

1 files changed, 0 insertions, 548 deletions

diff --git a/methods/curl.cc b/methods/curl.cc
deleted file mode 100644
index 8e06d858d..000000000
--- a/methods/curl.cc
+++ /dev/null
@@ -1,548 +0,0 @@
-//-*- 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 acquire method for APT.
-   
-   It uses libcurl
-
-   ##################################################################### */
-									/*}}}*/
-// Include Files							/*{{{*/
-#include <config.h>
-
-#include <apt-pkg/configuration.h>
-#include <apt-pkg/error.h>
-#include <apt-pkg/fileutl.h>
-#include <apt-pkg/hashes.h>
-#include <apt-pkg/macros.h>
-#include <apt-pkg/netrc.h>
-#include <apt-pkg/proxy.h>
-#include <apt-pkg/strutl.h>
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <unistd.h>
-
-#include <array>
-#include <iostream>
-#include <sstream>
-
-#include "curl.h"
-
-#include <apti18n.h>
-									/*}}}*/
-using namespace std;
-
-struct APT_HIDDEN CURLUserPointer {
-   HttpsMethod * const https;
-   HttpsMethod::FetchResult * const Res;
-   HttpsMethod::FetchItem const * const Itm;
-   RequestState * const Req;
-   CURLUserPointer(HttpsMethod * const https, HttpsMethod::FetchResult * const Res,
-	 HttpsMethod::FetchItem const * const Itm, RequestState * const Req) : https(https), Res(Res), Itm(Itm), Req(Req) {}
-};
-
-size_t
-HttpsMethod::parse_header(void *buffer, size_t size, size_t nmemb, void *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 (line.empty() == true)
-   {
-      if (me->Req->File.Open(me->Itm->DestFile, FileFd::WriteAny) == false)
-	 return ERROR_NOT_FROM_SERVER;
-
-      me->Req->JunkSize = 0;
-      if (me->Req->Result != 416 && me->Req->StartPos != 0)
-	 ;
-      else if (me->Req->Result == 416)
-      {
-	 bool partialHit = false;
-	 if (me->Itm->ExpectedHashes.usable() == true)
-	 {
-	    Hashes resultHashes(me->Itm->ExpectedHashes);
-	    FileFd file(me->Itm->DestFile, FileFd::ReadOnly);
-	    me->Req->TotalFileSize = file.FileSize();
-	    me->Req->Date = file.ModificationTime();
-	    resultHashes.AddFD(file);
-	    HashStringList const hashList = resultHashes.GetHashStringList();
-	    partialHit = (me->Itm->ExpectedHashes == hashList);
-	 }
-	 else if (me->Req->Result == 416 && me->Req->TotalFileSize == me->Req->File.FileSize())
-	    partialHit = true;
-
-	 if (partialHit == true)
-	 {
-	    me->Req->Result = 200;
-	    me->Req->StartPos = me->Req->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->Req->JunkSize = std::numeric_limits<unsigned long long>::max();
-	 }
-	 else
-	    me->Req->StartPos = 0;
-      }
-      else
-	 me->Req->StartPos = 0;
-
-      me->Res->LastModified = me->Req->Date;
-      me->Res->Size = me->Req->TotalFileSize;
-      me->Res->ResumePoint = me->Req->StartPos;
-
-      // we expect valid data, so tell our caller we get the file now
-      if (me->Req->Result >= 200 && me->Req->Result < 300)
-      {
-	 if (me->Res->Size != 0 && me->Res->Size > me->Res->ResumePoint)
-	    me->https->URIStart(*me->Res);
-	 if (me->Req->AddPartialFileToHashes(me->Req->File) == false)
-	    return 0;
-      }
-      else
-	 me->Req->JunkSize = std::numeric_limits<decltype(me->Req->JunkSize)>::max();
-   }
-   else if (me->Req->HeaderLine(line) == false)
-      return 0;
-
-   return size*nmemb;
-}
-
-size_t 
-HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
-{
-   CURLUserPointer *me = static_cast<CURLUserPointer *>(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->Req->JunkSize != 0)
-      return buffer_size;
-
-   if(me->Req->File.Write(buffer, buffer_size) != true)
-      return 0;
-
-   if(me->https->Queue->MaximumSize > 0)
-   {
-      unsigned long long const TotalWritten = me->Req->File.Tell();
-      if (TotalWritten > me->https->Queue->MaximumSize)
-      {
-	 me->https->SetFailReason("MaximumSizeExceeded");
-	 _error->Error(_("File has unexpected size (%llu != %llu). Mirror sync in progress?"),
-		       TotalWritten, me->https->Queue->MaximumSize);
-	 return 0;
-      }
-   }
-
-   if (me->https->Server->GetHashes()->Add((unsigned char const * const)buffer, buffer_size) == false)
-      return 0;
-
-   return buffer_size;
-}
-
-// HttpsServerState::HttpsServerState - Constructor			/*{{{*/
-HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * Owner) : ServerState(Srv, Owner), Hash(NULL)
-{
-   TimeOut = Owner->ConfigFindI("Timeout", TimeOut);
-   Reset();
-}
-									/*}}}*/
-bool HttpsServerState::InitHashes(HashStringList const &ExpectedHashes)	/*{{{*/
-{
-   delete Hash;
-   Hash = new Hashes(ExpectedHashes);
-   return true;
-}
-									/*}}}*/
-APT_PURE Hashes * HttpsServerState::GetHashes()				/*{{{*/
-{
-   return Hash;
-}
-									/*}}}*/
-
-bool HttpsMethod::SetupProxy()						/*{{{*/
-{
-   URI ServerName = Queue->Uri;
-
-   // Determine the proxy setting
-   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 = ConfigFind("Proxy::" + ServerName.Host, "");
-   if (UseProxy.empty() == true)
-      UseProxy = ConfigFind("Proxy", "");
-   // User wants to use NO proxy, so nothing to setup
-   if (UseProxy == "DIRECT")
-      return true;
-
-   // 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 true;
-
-   if (UseProxy.empty() == true)
-   {
-      const char* result = nullptr;
-      if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
-	 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 == nullptr && std::find(methodNames.begin(), methodNames.end(), "http") != methodNames.end())
-	 result = getenv("http_proxy");
-      UseProxy = result == nullptr ? "" : result;
-   }
-
-   // Determine what host and port to use based on the proxy settings
-   if (UseProxy.empty() == false)
-   {
-      Proxy = UseProxy;
-      AddProxyAuth(Proxy, ServerName);
-
-      if (Proxy.Access == "socks5h")
-	 curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5_HOSTNAME);
-      else if (Proxy.Access == "socks5")
-	 curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
-      else if (Proxy.Access == "socks4a")
-	 curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
-      else if (Proxy.Access == "socks")
-	 curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
-      else if (Proxy.Access == "http" || Proxy.Access == "https")
-	 curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
-      else
-	 return false;
-
-      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());
-      }
-   }
-   return true;
-}									/*}}}*/
-// 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)
-{
-   struct stat SBuf;
-   struct curl_slist *headers=NULL;
-   char curl_errorstr[CURL_ERROR_SIZE];
-   URI Uri = Itm->Uri;
-   setPostfixForMethodNames(Uri.Host.c_str());
-   AllowRedirect = ConfigFindB("AllowRedirect", true);
-   Debug = DebugEnabled();
-
-   // TODO:
-   //       - http::Pipeline-Depth
-   //       - error checking/reporting
-   //       - more debug options? (CURLOPT_DEBUGFUNCTION?)
-   {
-      auto const plus = Binary.find('+');
-      if (plus != std::string::npos)
-	 Uri.Access = Binary.substr(plus + 1);
-   }
-
-   curl_easy_reset(curl);
-   if (SetupProxy() == false)
-      return _error->Error("Unsupported proxy configured: %s", URI::SiteOnly(Proxy).c_str());
-
-   MaybeAddAuthTo(Uri);
-   if (Server == nullptr || Server->Comp(Itm->Uri) == false)
-      Server = CreateServerState(Itm->Uri);
-
-   // The "+" is encoded as a workaround for a amazon S3 bug
-   // see LP bugs #1003633 and #1086997. (taken from http method)
-   Uri.Path = QuoteString(Uri.Path, "+~ ");
-
-   FetchResult Res;
-   RequestState Req(this, Server.get());
-   CURLUserPointer userp(this, &Res, Itm, &Req);
-   // 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, &userp);
-   // options
-   curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
-   curl_easy_setopt(curl, CURLOPT_FILETIME, true);
-   curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 0);
-
-   if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
-   {
-      curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
-      curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
-
-      // File containing the list of trusted CA.
-      std::string const cainfo = ConfigFind("CaInfo", "");
-      if(cainfo.empty() == false)
-	 curl_easy_setopt(curl, CURLOPT_CAINFO, cainfo.c_str());
-      // Check server certificate against previous CA list ...
-      curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, ConfigFindB("Verify-Peer", true) ? 1 : 0);
-      // ... and hostname against cert CN or subjectAltName
-      curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, ConfigFindB("Verify-Host", true) ? 2 : 0);
-      // Also enforce issuer of server certificate using its cert
-      std::string const issuercert = ConfigFind("IssuerCert", "");
-      if(issuercert.empty() == false)
-	 curl_easy_setopt(curl, CURLOPT_ISSUERCERT, issuercert.c_str());
-      // For client authentication, certificate file ...
-      std::string const pem = ConfigFind("SslCert", "");
-      if(pem.empty() == false)
-	 curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
-      // ... and associated key.
-      std::string const key = ConfigFind("SslKey", "");
-      if(key.empty() == false)
-	 curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
-      // Allow forcing SSL version to SSLv3 or TLSv1
-      long final_version = CURL_SSLVERSION_DEFAULT;
-      std::string const sslversion = ConfigFind("SslForceVersion", "");
-      if(sslversion == "TLSv1")
-	 final_version = CURL_SSLVERSION_TLSv1;
-      else if(sslversion == "TLSv1.0")
-	 final_version = CURL_SSLVERSION_TLSv1_0;
-      else if(sslversion == "TLSv1.1")
-	 final_version = CURL_SSLVERSION_TLSv1_1;
-      else if(sslversion == "TLSv1.2")
-	 final_version = CURL_SSLVERSION_TLSv1_2;
-      else if(sslversion == "SSLv3")
-	 final_version = CURL_SSLVERSION_SSLv3;
-      curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
-      // CRL file
-      std::string const crlfile = ConfigFind("CrlFile", "");
-      if(crlfile.empty() == false)
-	 curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());
-   }
-   else
-   {
-      curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP);
-      curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP);
-   }
-   // cache-control
-   if(ConfigFindB("No-Cache", false) == false)
-   {
-      // cache enabled
-      if (ConfigFindB("No-Store", false) == true)
-	 headers = curl_slist_append(headers,"Cache-Control: no-store");
-      std::string ss;
-      strprintf(ss, "Cache-Control: max-age=%u", ConfigFindI("Max-Age", 0));
-      headers = curl_slist_append(headers, ss.c_str());
-   } else {
-      // cache disabled by user
-      headers = curl_slist_append(headers, "Cache-Control: no-cache");
-      headers = curl_slist_append(headers, "Pragma: no-cache");
-   }
-   curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
-   // speed limit
-   int const dlLimit = ConfigFindI("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, ConfigFind("User-Agent", "Debian APT-CURL/1.0 (" PACKAGE_VERSION ")").c_str());
-
-   // set timeout
-   int const timeout = ConfigFindI("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);
-
-   if(_config->FindB("Acquire::ForceIPv4", false) == true)
-      curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
-   else if(_config->FindB("Acquire::ForceIPv6", false) == true)
-      curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
-
-   // debug
-   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 (ConfigFindB("SendAccept", 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 (Server->RangesAllowed && stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
-   {
-      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, false).c_str());
-      headers = curl_slist_append(headers, Buf.c_str());
-   }
-   else if(Itm->LastModified > 0)
-   {
-      curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
-      curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
-   }
-
-   if (Server->InitHashes(Itm->ExpectedHashes) == false)
-      return false;
-
-   // keep apt updated
-   Res.Filename = Itm->DestFile;
-
-   // get it!
-   CURLcode success = curl_easy_perform(curl);
-
-   // 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);
-   if (curl_condition_unmet == 1)
-      Req.Result = 304;
-
-   Req.File.Close();
-   curl_slist_free_all(headers);
-
-   // cleanup
-   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
-      // only take curls technical errors if we haven't our own
-      // (e.g. for the maximum size limit we have and curls can be confusing)
-      if (_error->PendingError() == false)
-	 _error->Error("%s", curl_errorstr);
-      else
-	 _error->Warning("curl: %s", curl_errorstr);
-      return false;
-   }
-
-   switch (DealWithHeaders(Res, Req))
-   {
-      case BaseHttpMethod::IMS_HIT:
-	 URIDone(Res);
-	 break;
-
-      case BaseHttpMethod::ERROR_WITH_CONTENT_PAGE:
-	 // unlink, no need keep 401/404 page content in partial/
-	 RemoveFile(Binary.c_str(), Req.File.Name());
-	 // Fall through.
-      case BaseHttpMethod::ERROR_UNRECOVERABLE:
-      case BaseHttpMethod::ERROR_NOT_FROM_SERVER:
-	 return false;
-
-      case BaseHttpMethod::TRY_AGAIN_OR_REDIRECT:
-	 Redirect(NextURI);
-	 break;
-
-      case BaseHttpMethod::FILE_IS_OPEN:
-	 struct stat resultStat;
-	 if (unlikely(stat(Req.File.Name().c_str(), &resultStat) != 0))
-	 {
-	    _error->Errno("stat", "Unable to access file %s", Req.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(Req.File.Name().c_str(), times);
-	 }
-	 else
-	    Res.LastModified = resultStat.st_mtime;
-
-	 // take hashes
-	 Res.TakeHashes(*(Server->GetHashes()));
-
-	 // keep apt updated
-	 URIDone(Res);
-	 break;
-   }
-   return true;
-}
-									/*}}}*/
-std::unique_ptr<ServerState> HttpsMethod::CreateServerState(URI const &uri)/*{{{*/
-{
-   return std::unique_ptr<ServerState>(new HttpsServerState(uri, this));
-}
-									/*}}}*/
-HttpsMethod::HttpsMethod(std::string &&pProg) : BaseHttpMethod(std::move(pProg),"1.2",Pipeline | SendConfig)/*{{{*/
-{
-   auto addName = std::inserter(methodNames, methodNames.begin());
-   addName = "http";
-   auto const plus = Binary.find('+');
-   if (plus != std::string::npos)
-   {
-      addName = Binary.substr(plus + 1);
-      auto base = Binary.substr(0, plus);
-      if (base != "https")
-	 addName = base;
-   }
-   if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
-      curl_global_init(CURL_GLOBAL_SSL);
-   else
-      curl_global_init(CURL_GLOBAL_NOTHING);
-   curl = curl_easy_init();
-}
-									/*}}}*/
-HttpsMethod::~HttpsMethod()						/*{{{*/
-{
-   curl_easy_cleanup(curl);
-}
-									/*}}}*/
-int main(int, const char *argv[])					/*{{{*/
-{
-   std::string Binary = flNotDir(argv[0]);
-   if (Binary.find('+') == std::string::npos && Binary != "https")
-      Binary.append("+https");
-   return HttpsMethod(std::move(Binary)).Run();
-}
-									/*}}}*/