// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.39 1999/10/17 20:58:36 jgg Exp $
+// $Id: acquire-item.cc,v 1.46.2.9 2004/01/16 18:51:11 mdz Exp $
/* ######################################################################
Acquire Item - Item to acquire
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-item.h"
-#endif
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/vendorlist.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/tagfile.h>
+#include <apti18n.h>
+
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
-#include <string.h>
+#include <string>
+#include <sstream>
#include <stdio.h>
+#include <ctime>
/*}}}*/
+using namespace std;
+
// Acquire::Item::Item - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
{
Status = StatIdle;
ErrorText = LookupTag(Message,"Message");
+ UsedMirror = LookupTag(Message,"UsedMirror");
if (QueueCounter <= 1)
{
/* This indicates that the file is not available right now but might
Dequeue();
return;
}
-
+
Status = StatError;
Dequeue();
}
+
+ // report mirror failure back to LP if we actually use a mirror
+ string FailReason = LookupTag(Message, "FailReason");
+ if(FailReason.size() != 0)
+ ReportMirrorFailure(FailReason);
+ else
+ ReportMirrorFailure(ErrorText);
}
/*}}}*/
// Acquire::Item::Start - Item has begun to download /*{{{*/
// Acquire::Item::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcquire::Item::Done(string Message,unsigned long Size,string)
+void pkgAcquire::Item::Done(string Message,unsigned long Size,string Hash,
+ pkgAcquire::MethodConfig *Cnf)
{
// We just downloaded something..
string FileName = LookupTag(Message,"Filename");
- if (Complete == false && FileName == DestFile)
+ UsedMirror = LookupTag(Message,"UsedMirror");
+ if (Complete == false && !Local && FileName == DestFile)
{
if (Owner->Log != 0)
Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
if (FileSize == 0)
FileSize= Size;
-
Status = StatDone;
ErrorText = string();
Owner->Dequeue(this);
if (rename(From.c_str(),To.c_str()) != 0)
{
char S[300];
- sprintf(S,"rename failed, %s (%s -> %s).",strerror(errno),
+ snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno),
From.c_str(),To.c_str());
Status = StatError;
ErrorText = S;
- }
+ }
+}
+ /*}}}*/
+// Acquire::Item::ReportMirrorFailure /*{{{*/
+// ---------------------------------------------------------------------
+void pkgAcquire::Item::ReportMirrorFailure(string FailCode)
+{
+ // we only act if a mirror was used at all
+ if(UsedMirror.empty())
+ return;
+#if 0
+ std::cerr << "\nReportMirrorFailure: "
+ << UsedMirror
+ << " Uri: " << DescURI()
+ << " FailCode: "
+ << FailCode << std::endl;
+#endif
+ const char *Args[40];
+ unsigned int i = 0;
+ string report = _config->Find("Methods::Mirror::ProblemReporting",
+ "/usr/lib/apt/apt-report-mirror-failure");
+ if(!FileExists(report))
+ return;
+ Args[i++] = report.c_str();
+ Args[i++] = UsedMirror.c_str();
+ Args[i++] = DescURI().c_str();
+ Args[i++] = FailCode.c_str();
+ Args[i++] = NULL;
+ pid_t pid = ExecFork();
+ if(pid < 0)
+ {
+ _error->Error("ReportMirrorFailure Fork failed");
+ return;
+ }
+ else if(pid == 0)
+ {
+ execvp(Args[0], (char**)Args);
+ std::cerr << "Could not exec " << Args[0] << std::endl;
+ _exit(100);
+ }
+ if(!ExecWait(pid, "report-mirror-failure"))
+ {
+ _error->Warning("Couldn't report problem to '%s'",
+ _config->Find("Methods::Mirror::ProblemReporting").c_str());
+ }
+}
+ /*}}}*/
+// AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Get the DiffIndex file first and see if there are patches availabe
+ * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
+ * patches. If anything goes wrong in that process, it will fall back to
+ * the original packages file
+ */
+pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ HashString ExpectedHash)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
+ Description(URIDesc)
+{
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Desc.Description = URIDesc + "/DiffIndex";
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI + ".diff/Index";
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI) + string(".DiffIndex");
+
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
+
+ // look for the current package file
+ CurrentPackagesFile = _config->FindDir("Dir::State::lists");
+ CurrentPackagesFile += URItoFileName(RealURI);
+
+ // FIXME: this file:/ check is a hack to prevent fetching
+ // from local sources. this is really silly, and
+ // should be fixed cleanly as soon as possible
+ if(!FileExists(CurrentPackagesFile) ||
+ Desc.URI.substr(0,strlen("file:/")) == "file:/")
+ {
+ // we don't have a pkg file or we don't want to queue
+ if(Debug)
+ std::clog << "No index file, local or canceld by user" << std::endl;
+ Failed("", NULL);
+ return;
+ }
+
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
+ << CurrentPackagesFile << std::endl;
+
+ QueueURI(Desc);
+
+}
+ /*}}}*/
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqDiffIndex::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI) + string(".IndexDiff");
+
+ if(Debug)
+ std::clog << "Custom600Header-IMS: " << Final << std::endl;
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+ /*}}}*/
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
+ << std::endl;
+
+ pkgTagSection Tags;
+ string ServerSha1;
+ vector<DiffInfo> available_patches;
+
+ FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ pkgTagFile TF(&Fd);
+ if (_error->PendingError() == true)
+ return false;
+
+ if(TF.Step(Tags) == true)
+ {
+ bool found = false;
+ DiffInfo d;
+ string size;
+
+ string const tmp = Tags.FindS("SHA1-Current");
+ std::stringstream ss(tmp);
+ ss >> ServerSha1 >> size;
+ unsigned long const ServerSize = atol(size.c_str());
+
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnlyGzip);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ string const local_sha1 = SHA1.Result();
+
+ if(local_sha1 == ServerSha1)
+ {
+ // we have the same sha1 as the server
+ if(Debug)
+ std::clog << "Package file is up-to-date" << std::endl;
+ // set found to true, this will queue a pkgAcqIndexDiffs with
+ // a empty availabe_patches
+ found = true;
+ }
+ else
+ {
+ if(Debug)
+ std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
+
+ // check the historie and see what patches we need
+ string const history = Tags.FindS("SHA1-History");
+ std::stringstream hist(history);
+ while(hist >> d.sha1 >> size >> d.file)
+ {
+ // read until the first match is found
+ // from that point on, we probably need all diffs
+ if(d.sha1 == local_sha1)
+ found=true;
+ else if (found == false)
+ continue;
+
+ if(Debug)
+ std::clog << "Need to get diff: " << d.file << std::endl;
+ available_patches.push_back(d);
+ }
+
+ if (available_patches.empty() == false)
+ {
+ // patching with too many files is rather slow compared to a fast download
+ unsigned long const fileLimit = _config->FindI("Acquire::PDiffs::FileLimit", 0);
+ if (fileLimit != 0 && fileLimit < available_patches.size())
+ {
+ if (Debug)
+ std::clog << "Need " << available_patches.size() << " diffs (Limit is " << fileLimit
+ << ") so fallback to complete download" << std::endl;
+ return false;
+ }
+
+ // see if the patches are too big
+ found = false; // it was true and it will be true again at the end
+ d = *available_patches.begin();
+ string const firstPatch = d.file;
+ unsigned long patchesSize = 0;
+ std::stringstream patches(Tags.FindS("SHA1-Patches"));
+ while(patches >> d.sha1 >> size >> d.file)
+ {
+ if (firstPatch == d.file)
+ found = true;
+ else if (found == false)
+ continue;
+
+ patchesSize += atol(size.c_str());
+ }
+ unsigned long const sizeLimit = ServerSize * _config->FindI("Acquire::PDiffs::SizeLimit", 100);
+ if (sizeLimit > 0 && (sizeLimit/100) < patchesSize)
+ {
+ if (Debug)
+ std::clog << "Need " << patchesSize << " bytes (Limit is " << sizeLimit/100
+ << ") so fallback to complete download" << std::endl;
+ return false;
+ }
+ }
+ }
+
+ // we have something, queue the next diff
+ if(found)
+ {
+ // queue the diffs
+ string::size_type const last_space = Description.rfind(" ");
+ if(last_space != string::npos)
+ Description.erase(last_space, Description.size()-last_space);
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedHash, ServerSha1, available_patches);
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return true;
+ }
+ }
+
+ // Nothing found, report and return false
+ // Failing here is ok, if we return false later, the full
+ // IndexFile is queued
+ if(Debug)
+ std::clog << "Can't find a patch in the index file" << std::endl;
+ return false;
+}
+ /*}}}*/
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+
+ new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedHash);
+
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+}
+ /*}}}*/
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading the index
+ // rename the index
+ FinalFile += string(".IndexDiff");
+ if(Debug)
+ std::clog << "Renaming: " << DestFile << " -> " << FinalFile
+ << std::endl;
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+ DestFile = FinalFile;
+
+ if(!ParseDiffIndex(DestFile))
+ return Failed("", NULL);
+
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+ /*}}}*/
+// AcqIndexDiffs::AcqIndexDiffs - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* The package diff is added to the queue. one object is constructed
+ * for each diff and the index
+ */
+pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ HashString ExpectedHash,
+ string ServerSha1,
+ vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
+ available_patches(diffs), ServerSha1(ServerSha1)
+{
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+
+ if(available_patches.size() == 0)
+ {
+ // we are done (yeah!)
+ Finish(true);
+ }
+ else
+ {
+ // get the next diff
+ State = StateFetchDiff;
+ QueueNextDiff();
+ }
+}
+ /*}}}*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+ new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
+ ExpectedHash);
+ Finish();
+}
+ /*}}}*/
+// Finish - helper that cleans the item out of the fetcher queue /*{{{*/
+void pkgAcqIndexDiffs::Finish(bool allDone)
+{
+ // we restore the original name, this is required, otherwise
+ // the file will be cleaned
+ if(allDone)
+ {
+ DestFile = _config->FindDir("Dir::State::lists");
+ DestFile += URItoFileName(RealURI);
+
+ if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
+ {
+ Status = StatAuthError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ Dequeue();
+ return;
+ }
+
+ // this is for the "real" finish
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ if(Debug)
+ std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
+ return;
+ }
+
+ if(Debug)
+ std::clog << "Finishing: " << Desc.URI << std::endl;
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+ /*}}}*/
+bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
+{
+
+ // calc sha1 of the just patched file
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI);
+
+ FileFd fd(FinalFile, FileFd::ReadOnlyGzip);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ string local_sha1 = string(SHA1.Result());
+ if(Debug)
+ std::clog << "QueueNextDiff: "
+ << FinalFile << " (" << local_sha1 << ")"<<std::endl;
+
+ // final file reached before all patches are applied
+ if(local_sha1 == ServerSha1)
+ {
+ Finish(true);
+ return true;
+ }
+
+ // remove all patches until the next matching patch is found
+ // this requires the Index file to be ordered
+ for(vector<DiffInfo>::iterator I=available_patches.begin();
+ available_patches.size() > 0 &&
+ I != available_patches.end() &&
+ (*I).sha1 != local_sha1;
+ I++)
+ {
+ available_patches.erase(I);
+ }
+
+ // error checking and falling back if no patch was found
+ if(available_patches.size() == 0)
+ {
+ Failed("", NULL);
+ return false;
+ }
+
+ // queue the right diff
+ Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+ Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
+
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
+
+ QueueURI(Desc);
+
+ return true;
+}
+ /*}}}*/
+void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateFetchDiff)
+ {
+
+ if(Debug)
+ std::clog << "Sending to gzip method: " << FinalFile << std::endl;
+
+ string FileName = LookupTag(Message,"Filename");
+ State = StateUnzipDiff;
+ Local = true;
+ Desc.URI = "gzip:" + FileName;
+ DestFile += ".decomp";
+ QueueURI(Desc);
+ Mode = "gzip";
+ return;
+ }
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateUnzipDiff)
+ {
+
+ // rred excepts the patch as $FinalFile.ed
+ Rename(DestFile,FinalFile+".ed");
+
+ if(Debug)
+ std::clog << "Sending to rred method: " << FinalFile << std::endl;
+
+ State = StateApplyDiff;
+ Local = true;
+ Desc.URI = "rred:" + FinalFile;
+ QueueURI(Desc);
+ Mode = "rred";
+ return;
+ }
+
+
+ // success in download/apply a diff, queue next (if needed)
+ if(State == StateApplyDiff)
+ {
+ // remove the just applied patch
+ available_patches.erase(available_patches.begin());
+
+ // move into place
+ if(Debug)
+ {
+ std::clog << "Moving patched file in place: " << std::endl
+ << DestFile << " -> " << FinalFile << std::endl;
+ }
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+
+ // see if there is more to download
+ if(available_patches.size() > 0) {
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedHash, ServerSha1, available_patches);
+ return Finish();
+ } else
+ return Finish(true);
+ }
+}
+ /*}}}*/
+// AcqIndex::AcqIndex - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* The package file is added to the queue and a second class is
+ instantiated to fetch the revision file */
+pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ HashString ExpectedHash, string comprExt)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash)
+{
+ Decompression = false;
+ Erase = false;
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ if(comprExt.empty())
+ {
+ // autoselect the compression method
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ if (types.empty() == true)
+ comprExt = "plain";
+ else
+ comprExt = "." + types[0];
+ }
+ CompressionExtension = ((comprExt == "plain" || comprExt == ".") ? "" : comprExt);
+
+ Desc.URI = URI + CompressionExtension;
+
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+
+ QueueURI(Desc);
+}
+ /*}}}*/
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqIndex::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI);
+ if (_config->FindB("Acquire::GzipIndexes",false))
+ Final += ".gz";
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+ /*}}}*/
+void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
+{
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+
+ for (std::vector<std::string>::const_iterator t = types.begin();
+ t != types.end(); t++)
+ {
+ // jump over all already tried compression types
+ const unsigned int nameLen = Desc.URI.size() - (*t).size();
+ if(Desc.URI.substr(nameLen) != *t)
+ continue;
+
+ // we want to try it with the next extension (and make sure to
+ // not skip over the end)
+ t++;
+ if (t == types.end())
+ break;
+
+ // queue new download
+ Desc.URI = Desc.URI.substr(0, nameLen) + *t;
+ new pkgAcqIndex(Owner, RealURI, Desc.Description, Desc.ShortDesc,
+ ExpectedHash, string(".").append(*t));
+
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ // on decompression failure, remove bad versions in partial/
+ if(Decompression && Erase) {
+ string s = _config->FindDir("Dir::State::lists") + "partial/";
+ s += URItoFileName(RealURI);
+ unlink(s.c_str());
+ }
+
+ Item::Failed(Message,Cnf);
+}
+ /*}}}*/
+// AcqIndex::Done - Finished a fetch /*{{{*/
+// ---------------------------------------------------------------------
+/* This goes through a number of states.. On the initial fetch the
+ method could possibly return an alternate filename which points
+ to the uncompressed version of the file. If this is so the file
+ is copied into the partial directory. In all other cases the file
+ is decompressed with a gzip uri. */
+void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
+ pkgAcquire::MethodConfig *Cfg)
+{
+ Item::Done(Message,Size,Hash,Cfg);
+
+ if (Decompression == true)
+ {
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << std::endl << RealURI << ": Computed Hash: " << Hash;
+ std::cerr << " Expected Hash: " << ExpectedHash.toStr() << std::endl;
+ }
+
+ if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash)
+ {
+ Status = StatAuthError;
+ ErrorText = _("Hash Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ ReportMirrorFailure("HashChecksumFailure");
+ return;
+ }
+ // Done, move it into position
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI);
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+
+ /* We restore the original name to DestFile so that the clean operation
+ will work OK */
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI);
+
+ // Remove the compressed version.
+ if (Erase == true)
+ unlink(DestFile.c_str());
+ return;
+ }
+
+ Erase = false;
+ Complete = true;
+
+ // Handle the unzipd case
+ string FileName = LookupTag(Message,"Alt-Filename");
+ if (FileName.empty() == false)
+ {
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
+ return;
+ Decompression = true;
+ Local = true;
+ DestFile += ".decomp";
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ Mode = "copy";
+ return;
+ }
+
+ FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ }
+
+ string compExt = flExtension(flNotDir(URI(Desc.URI).Path));
+
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) {
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz")
+ // Update DestFile for .gz suffix so that the clean operation keeps it
+ DestFile += ".gz";
+ return;
+ }
+
+ if (FileName == DestFile)
+ Erase = true;
+ else
+ Local = true;
+
+ string decompProg;
+
+ // If we enable compressed indexes and already have gzip, keep it
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz" && !Local) {
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI) + ".gz";
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+
+ // Update DestFile for .gz suffix so that the clean operation keeps it
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI) + ".gz";
+ return;
+ }
+
+ // get the binary name for your used compression type
+ decompProg = _config->Find(string("Acquire::CompressionTypes::").append(compExt),"");
+ if(decompProg.empty() == false);
+ // flExtensions returns the full name if no extension is found
+ // this is why we have this complicated compare operation here
+ // FIMXE: add a new flJustExtension() that return "" if no
+ // extension is found and use that above so that it can
+ // be tested against ""
+ else if(compExt == flNotDir(URI(Desc.URI).Path))
+ decompProg = "copy";
+ else {
+ _error->Error("Unsupported extension: %s", compExt.c_str());
+ return;
+ }
+
+ Decompression = true;
+ DestFile += ".decomp";
+ Desc.URI = decompProg + ":" + FileName;
+ QueueURI(Desc);
+ Mode = decompProg.c_str();
+}
+ /*}}}*/
+// AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* The Translation file is added to the queue */
+pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc)
+ : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
+{
+}
+ /*}}}*/
+// AcqIndexTrans::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+string pkgAcqIndexTrans::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI);
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return "\nFail-Ignore: true";
+ return "\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+ /*}}}*/
+// AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
+}
+ /*}}}*/
+pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/
+ string URI,string URIDesc,string ShortDesc,
+ string MetaIndexURI, string MetaIndexURIDesc,
+ string MetaIndexShortDesc,
+ const vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser) :
+ Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI),
+ MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc),
+ MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets)
+{
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ // remove any partial downloaded sig-file in partial/.
+ // it may confuse proxies and is too small to warrant a
+ // partial download anyway
+ unlink(DestFile.c_str());
+
+ // Create the item
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI;
+
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI);
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) == 0)
+ {
+ // File was already in place. It needs to be re-downloaded/verified
+ // because Release might have changed, we do give it a differnt
+ // name than DestFile because otherwise the http method will
+ // send If-Range requests and there are too many broken servers
+ // out there that do not understand them
+ LastGoodSig = DestFile+".reverify";
+ Rename(Final,LastGoodSig);
+ }
+
+ QueueURI(Desc);
+}
+ /*}}}*/
+// pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqMetaSig::Custom600Headers()
+{
+ struct stat Buf;
+ if (stat(LastGoodSig.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+
+void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cfg)
+{
+ Item::Done(Message,Size,MD5,Cfg);
+
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return;
+ }
+
+ if (FileName != DestFile)
+ {
+ // We have to copy it into place
+ Local = true;
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ return;
+ }
+
+ Complete = true;
+
+ // put the last known good file back on i-m-s hit (it will
+ // be re-verified again)
+ // Else do nothing, we have the new file in DestFile then
+ if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ Rename(LastGoodSig, DestFile);
+
+ // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved
+ new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc,
+ MetaIndexShortDesc, DestFile, IndexTargets,
+ MetaIndexParser);
+
+}
+ /*}}}*/
+void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
+{
+ string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+
+ // if we get a network error we fail gracefully
+ if(Status == StatTransientNetworkError)
+ {
+ Item::Failed(Message,Cnf);
+ // move the sigfile back on transient network failures
+ if(FileExists(LastGoodSig))
+ Rename(LastGoodSig,Final);
+
+ // set the status back to , Item::Failed likes to reset it
+ Status = pkgAcquire::Item::StatTransientNetworkError;
+ return;
+ }
+
+ // Delete any existing sigfile when the acquire failed
+ unlink(Final.c_str());
+
+ // queue a pkgAcqMetaIndex with no sigfile
+ new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
+ "", IndexTargets, MetaIndexParser);
+
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
}
/*}}}*/
-
-// AcqIndex::AcqIndex - Constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* The package file is added to the queue and a second class is
- instantiated to fetch the revision file */
-pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/
+ string URI,string URIDesc,string ShortDesc,
+ string SigFile,
+ const vector<struct IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser) :
+ Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets),
+ MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false)
{
- Decompression = false;
- Erase = false;
-
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->PackagesURI());
+ DestFile += URItoFileName(URI);
// Create the item
- Desc.URI = Location->PackagesURI() + ".gz";
- Desc.Description = Location->PackagesInfo();
+ Desc.Description = URIDesc;
Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI;
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
- else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
-
QueueURI(Desc);
-
- // Create the Release fetch class
- new pkgAcqIndexRel(Owner,Location);
}
/*}}}*/
-// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
-string pkgAcqIndex::Custom600Headers()
+string pkgAcqMetaIndex::Custom600Headers()
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->PackagesURI());
+ Final += URItoFileName(RealURI);
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
-// AcqIndex::Done - Finished a fetch /*{{{*/
-// ---------------------------------------------------------------------
-/* This goes through a number of states.. On the initial fetch the
- method could possibly return an alternate filename which points
- to the uncompressed version of the file. If this is so the file
- is copied into the partial directory. In all other cases the file
- is decompressed with a gzip uri. */
-void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5)
+void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash, /*{{{*/
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5);
+ Item::Done(Message,Size,Hash,Cfg);
- if (Decompression == true)
+ // MetaIndexes are done in two passes: one to download the
+ // metaindex with an appropriate method, and a second to verify it
+ // with the gpgv method
+
+ if (AuthPass == true)
{
- // Done, move it into position
+ AuthDone(Message);
+
+ // all cool, move Release file into place
+ Complete = true;
+
string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->PackagesURI());
+ FinalFile += URItoFileName(RealURI);
Rename(DestFile,FinalFile);
-
- /* We restore the original name to DestFile so that the clean operation
- will work OK */
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->PackagesURI());
-
- // Remove the compressed version.
- if (Erase == true)
- unlink(DestFile.c_str());
+ chmod(FinalFile.c_str(),0644);
+ DestFile = FinalFile;
+ }
+ else
+ {
+ RetrievalDone(Message);
+ if (!Complete)
+ // Still more retrieving to do
+ return;
+
+ if (SigFile == "")
+ {
+ // There was no signature file, so we are finished. Download
+ // the indexes without verification.
+ QueueIndexes(false);
+ }
+ else
+ {
+ // There was a signature file, so pass it to gpgv for
+ // verification
+
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ std::cerr << "Metaindex acquired, queueing gpg verification ("
+ << SigFile << "," << DestFile << ")\n";
+ AuthPass = true;
+ Desc.URI = "gpgv:" + SigFile;
+ QueueURI(Desc);
+ Mode = "gpgv";
+ }
+ }
+}
+ /*}}}*/
+void pkgAcqMetaIndex::RetrievalDone(string Message) /*{{{*/
+{
+ // We have just finished downloading a Release file (it is not
+ // verified yet)
+
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
return;
}
- Erase = false;
- Complete = true;
-
- // Handle the unzipd case
- string FileName = LookupTag(Message,"Alt-Filename");
- if (FileName.empty() == false)
+ if (FileName != DestFile)
{
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
- return;
-
- Decompression = true;
Local = true;
- DestFile += ".decomp";
Desc.URI = "copy:" + FileName;
QueueURI(Desc);
- Mode = "copy";
return;
}
- FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
+ // make sure to verify against the right file on I-M-S hit
+ IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false);
+ if(IMSHit)
{
- Status = StatError;
- ErrorText = "Method gave a blank filename";
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI);
+ DestFile = FinalFile;
}
-
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
- return;
-
- if (FileName == DestFile)
- Erase = true;
- else
- Local = true;
-
- Decompression = true;
- DestFile += ".decomp";
- Desc.URI = "gzip:" + FileName,Location->PackagesInfo();
- QueueURI(Desc);
- Mode = "gzip";
+ Complete = true;
}
/*}}}*/
-
-// AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* The Release file is added to the queue */
-pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner,
- const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/
{
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->ReleaseURI());
-
- // Create the item
- Desc.URI = Location->ReleaseURI();
- Desc.Description = Location->ReleaseInfo();
- Desc.Owner = this;
+ // At this point, the gpgv method has succeeded, so there is a
+ // valid signature from a key in the trusted keyring. We
+ // perform additional verification of its contents, and use them
+ // to verify the indexes we are about to download
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
- else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
-
- QueueURI(Desc);
+ if (!MetaIndexParser->Load(DestFile))
+ {
+ Status = StatAuthError;
+ ErrorText = MetaIndexParser->ErrorText;
+ return;
+ }
+
+ if (!VerifyVendor(Message))
+ {
+ return;
+ }
+
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ std::cerr << "Signature verification succeeded: "
+ << DestFile << std::endl;
+
+ // Download further indexes with verification
+ QueueIndexes(true);
+
+ // Done, move signature file into position
+ string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
+ URItoFileName(RealURI) + ".gpg";
+ Rename(SigFile,VerifiedSigFile);
+ chmod(VerifiedSigFile.c_str(),0644);
}
/*}}}*/
-// AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/
-// ---------------------------------------------------------------------
-/* The only header we use is the last-modified header. */
-string pkgAcqIndexRel::Custom600Headers()
+void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/
{
- string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->ReleaseURI());
-
- struct stat Buf;
- if (stat(Final.c_str(),&Buf) != 0)
- return "\nIndex-File: true";
-
- return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
+ Target != IndexTargets->end();
+ Target++)
+ {
+ HashString ExpectedIndexHash;
+ if (verify)
+ {
+ const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
+ if (!Record)
+ {
+ Status = StatAuthError;
+ ErrorText = "Unable to find expected entry "
+ + (*Target)->MetaKey + " in Meta-index file (malformed Release file?)";
+ return;
+ }
+ ExpectedIndexHash = Record->Hash;
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Queueing: " << (*Target)->URI << std::endl;
+ std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl;
+ }
+ if (ExpectedIndexHash.empty())
+ {
+ Status = StatAuthError;
+ ErrorText = "Unable to find hash sum for "
+ + (*Target)->MetaKey + " in Meta-index file";
+ return;
+ }
+ }
+
+ /* Queue Packages file (either diff or full packages files, depending
+ on the users option) - we also check if the PDiff Index file is listed
+ in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this
+ instead, but passing the required info to it is to much hassle */
+ if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false ||
+ MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true))
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
+ else
+ new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
+ }
}
/*}}}*/
-// AcqIndexRel::Done - Item downloaded OK /*{{{*/
-// ---------------------------------------------------------------------
-/* The release file was not placed into the download directory then
- a copy URI is generated and it is copied there otherwise the file
- in the partial directory is moved into .. and the URI is finished. */
-void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5)
+bool pkgAcqMetaIndex::VerifyVendor(string Message) /*{{{*/
{
- Item::Done(Message,Size,MD5);
+// // Maybe this should be made available from above so we don't have
+// // to read and parse it every time?
+// pkgVendorList List;
+// List.ReadMainList();
- string FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
+// const Vendor* Vndr = NULL;
+// for (std::vector<string>::const_iterator I = GPGVOutput.begin(); I != GPGVOutput.end(); I++)
+// {
+// string::size_type pos = (*I).find("VALIDSIG ");
+// if (_config->FindB("Debug::Vendor", false))
+// std::cerr << "Looking for VALIDSIG in \"" << (*I) << "\": pos " << pos
+// << std::endl;
+// if (pos != std::string::npos)
+// {
+// string Fingerprint = (*I).substr(pos+sizeof("VALIDSIG"));
+// if (_config->FindB("Debug::Vendor", false))
+// std::cerr << "Looking for \"" << Fingerprint << "\" in vendor..." <<
+// std::endl;
+// Vndr = List.FindVendor(Fingerprint) != "";
+// if (Vndr != NULL);
+// break;
+// }
+// }
+ string::size_type pos;
+
+ // check for missing sigs (that where not fatal because otherwise we had
+ // bombed earlier)
+ string missingkeys;
+ string msg = _("There is no public key available for the "
+ "following key IDs:\n");
+ pos = Message.find("NO_PUBKEY ");
+ if (pos != std::string::npos)
{
- Status = StatError;
- ErrorText = "Method gave a blank filename";
- return;
+ string::size_type start = pos+strlen("NO_PUBKEY ");
+ string Fingerprint = Message.substr(start, Message.find("\n")-start);
+ missingkeys += (Fingerprint);
}
+ if(!missingkeys.empty())
+ _error->Warning("%s", string(msg+missingkeys).c_str());
- Complete = true;
-
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
- return;
-
- // We have to copy it into place
- if (FileName != DestFile)
+ string Transformed = MetaIndexParser->GetExpectedDist();
+
+ if (Transformed == "../project/experimental")
{
- Local = true;
- Desc.URI = "copy:" + FileName;
- QueueURI(Desc);
- return;
+ Transformed = "experimental";
}
-
- // Done, move it into position
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->ReleaseURI());
- Rename(DestFile,FinalFile);
+
+ pos = Transformed.rfind('/');
+ if (pos != string::npos)
+ {
+ Transformed = Transformed.substr(0, pos);
+ }
+
+ if (Transformed == ".")
+ {
+ Transformed = "";
+ }
+
+ if (_config->FindB("Acquire::Check-Valid-Until", true) == true &&
+ MetaIndexParser->GetValidUntil() > 0) {
+ time_t const invalid_since = time(NULL) - MetaIndexParser->GetValidUntil();
+ if (invalid_since > 0)
+ // TRANSLATOR: The first %s is the URL of the bad Release file, the second is
+ // the time since then the file is invalid - formated in the same way as in
+ // the download progress display (e.g. 7d 3h 42min 1s)
+ return _error->Error(_("Release file expired, ignoring %s (invalid since %s)"),
+ RealURI.c_str(), TimeToStr(invalid_since).c_str());
+ }
+
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl;
+ std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl;
+ std::cerr << "Transformed Dist: " << Transformed << std::endl;
+ }
+
+ if (MetaIndexParser->CheckDist(Transformed) == false)
+ {
+ // This might become fatal one day
+// Status = StatAuthError;
+// ErrorText = "Conflicting distribution; expected "
+// + MetaIndexParser->GetExpectedDist() + " but got "
+// + MetaIndexParser->GetDist();
+// return false;
+ if (!Transformed.empty())
+ {
+ _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
+ Desc.Description.c_str(),
+ Transformed.c_str(),
+ MetaIndexParser->GetDist().c_str());
+ }
+ }
+
+ return true;
}
/*}}}*/
-// AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/
+// pkgAcqMetaIndex::Failed - no Release file present or no signature file present /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- if (Cnf->LocalOnly == true ||
- StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
- {
- // Ignore this
- Status = StatDone;
- Complete = false;
- Dequeue();
- return;
+ if (AuthPass == true)
+ {
+ // gpgv method failed, if we have a good signature
+ string LastGoodSigFile = _config->FindDir("Dir::State::lists") +
+ "partial/" + URItoFileName(RealURI) + ".gpg.reverify";
+ if(FileExists(LastGoodSigFile))
+ {
+ string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
+ URItoFileName(RealURI) + ".gpg";
+ Rename(LastGoodSigFile,VerifiedSigFile);
+ Status = StatTransientNetworkError;
+ _error->Warning(_("A error occurred during the signature "
+ "verification. The repository is not updated "
+ "and the previous index files will be used."
+ "GPG error: %s: %s\n"),
+ Desc.Description.c_str(),
+ LookupTag(Message,"Message").c_str());
+ RunScripts("APT::Update::Auth-Failure");
+ return;
+ } else {
+ _error->Warning(_("GPG error: %s: %s"),
+ Desc.Description.c_str(),
+ LookupTag(Message,"Message").c_str());
+ }
+ // gpgv method failed
+ ReportMirrorFailure("GPGFailure");
}
-
- Item::Failed(Message,Cnf);
+
+ // No Release file was present, or verification failed, so fall
+ // back to queueing Packages files without verification
+ QueueIndexes(false);
}
/*}}}*/
-
// AcqArchive::AcqArchive - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* This just sets up the initial fetch environment and queues the first
pkgRecords *Recs,pkgCache::VerIterator const &Version,
string &StoreFilename) :
Item(Owner), Version(Version), Sources(Sources), Recs(Recs),
- StoreFilename(StoreFilename), Vf(Version.FileList())
+ StoreFilename(StoreFilename), Vf(Version.FileList()),
+ Trusted(false)
{
Retries = _config->FindI("Acquire::Retries",0);
if (Version.Arch() == 0)
{
- _error->Error("I wasn't able to locate file for the %s package. "
- "This might mean you need to manually fix this package. (due to missing arch)",
+ _error->Error(_("I wasn't able to locate a file for the %s package. "
+ "This might mean you need to manually fix this package. "
+ "(due to missing arch)"),
Version.ParentPkg().Name());
return;
}
- // Generate the final file name as: package_version_arch.deb
- StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
- QuoteString(Version.VerStr(),"_:") + '_' +
- QuoteString(Version.Arch(),"_:.") + ".deb";
+ /* We need to find a filename to determine the extension. We make the
+ assumption here that all the available sources for this version share
+ the same extension.. */
+ // Skip not source sources, they do not have file fields.
+ for (; Vf.end() == false; Vf++)
+ {
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
+ continue;
+ break;
+ }
+
+ // Does not really matter here.. we are going to fail out below
+ if (Vf.end() != true)
+ {
+ // If this fails to get a file name we will bomb out below.
+ pkgRecords::Parser &Parse = Recs->Lookup(Vf);
+ if (_error->PendingError() == true)
+ return;
+
+ // Generate the final file name as: package_version_arch.foo
+ StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
+ QuoteString(Version.VerStr(),"_:") + '_' +
+ QuoteString(Version.Arch(),"_:.") +
+ "." + flExtension(Parse.FileName());
+ }
+
+ // check if we have one trusted source for the package. if so, switch
+ // to "TrustedOnly" mode
+ for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; i++)
+ {
+ pkgIndexFile *Index;
+ if (Sources->FindIndex(i.File(),Index) == false)
+ continue;
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Checking index: " << Index->Describe()
+ << "(Trusted=" << Index->IsTrusted() << ")\n";
+ }
+ if (Index->IsTrusted()) {
+ Trusted = true;
+ break;
+ }
+ }
+
+ // "allow-unauthenticated" restores apts old fetching behaviour
+ // that means that e.g. unauthenticated file:// uris are higher
+ // priority than authenticated http:// uris
+ if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
+ Trusted = false;
// Select a source
if (QueueNext() == false && _error->PendingError() == false)
- _error->Error("I wasn't able to locate file for the %s package. "
- "This might mean you need to manually fix this package.",
+ _error->Error(_("I wasn't able to locate file for the %s package. "
+ "This might mean you need to manually fix this package."),
Version.ParentPkg().Name());
}
/*}}}*/
checking later. */
bool pkgAcqArchive::QueueNext()
{
+ string const ForceHash = _config->Find("Acquire::ForceHash");
for (; Vf.end() == false; Vf++)
{
// Ignore not source sources
continue;
// Try to cross match against the source list
- string PkgFile = flNotDir(Vf.File().FileName());
- pkgSourceList::const_iterator Location;
- for (Location = Sources->begin(); Location != Sources->end(); Location++)
- if (PkgFile == URItoFileName(Location->PackagesURI()))
- break;
-
- if (Location == Sources->end())
- continue;
+ pkgIndexFile *Index;
+ if (Sources->FindIndex(Vf.File(),Index) == false)
+ continue;
+ // only try to get a trusted package from another source if that source
+ // is also trusted
+ if(Trusted && !Index->IsTrusted())
+ continue;
+
// Grab the text package record
pkgRecords::Parser &Parse = Recs->Lookup(Vf);
if (_error->PendingError() == true)
return false;
- PkgFile = Parse.FileName();
- MD5 = Parse.MD5Hash();
+ string PkgFile = Parse.FileName();
+ if (ForceHash.empty() == false)
+ {
+ if(stringcasecmp(ForceHash, "sha256") == 0)
+ ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
+ else if (stringcasecmp(ForceHash, "sha1") == 0)
+ ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
+ else
+ ExpectedHash = HashString("MD5Sum", Parse.MD5Hash());
+ }
+ else
+ {
+ string Hash;
+ if ((Hash = Parse.SHA256Hash()).empty() == false)
+ ExpectedHash = HashString("SHA256", Hash);
+ else if ((Hash = Parse.SHA1Hash()).empty() == false)
+ ExpectedHash = HashString("SHA1", Hash);
+ else
+ ExpectedHash = HashString("MD5Sum", Parse.MD5Hash());
+ }
if (PkgFile.empty() == true)
- return _error->Error("The package index files are corrupted. No Filename: "
- "field for package %s."
- ,Version.ParentPkg().Name());
+ return _error->Error(_("The package index files are corrupted. No Filename: "
+ "field for package %s."),
+ Version.ParentPkg().Name());
+
+ Desc.URI = Index->ArchiveURI(PkgFile);
+ Desc.Description = Index->ArchiveInfo(Version);
+ Desc.Owner = this;
+ Desc.ShortDesc = Version.ParentPkg().Name();
// See if we already have the file. (Legacy filenames)
FileSize = Version->Size;
}
// Create the item
- Desc.URI = Location->ArchiveURI(PkgFile);
- Desc.Description = Location->ArchiveInfo(Version);
+ Local = false;
+ Desc.URI = Index->ArchiveURI(PkgFile);
+ Desc.Description = Index->ArchiveInfo(Version);
Desc.Owner = this;
Desc.ShortDesc = Version.ParentPkg().Name();
QueueURI(Desc);
// AcqArchive::Done - Finished fetching /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash)
+void pkgAcqArchive::Done(string Message,unsigned long Size,string CalcHash,
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,Md5Hash);
+ Item::Done(Message,Size,CalcHash,Cfg);
// Check the size
if (Size != Version->Size)
{
Status = StatError;
- ErrorText = "Size mismatch";
+ ErrorText = _("Size mismatch");
return;
}
- // Check the md5
- if (Md5Hash.empty() == false && MD5.empty() == false)
+ // Check the hash
+ if(ExpectedHash.toStr() != CalcHash)
{
- if (Md5Hash != MD5)
- {
- Status = StatError;
- ErrorText = "MD5Sum mismatch";
+ Status = StatError;
+ ErrorText = _("Hash Sum mismatch");
+ if(FileExists(DestFile))
Rename(DestFile,DestFile + ".FAILED");
- return;
- }
+ return;
}
// Grab the output filename
void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
ErrorText = LookupTag(Message,"Message");
+
+ /* We don't really want to retry on failed media swaps, this prevents
+ that. An interesting observation is that permanent failures are not
+ recorded. */
+ if (Cnf->Removable == true &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ // Vf = Version.FileList();
+ while (Vf.end() == false) Vf++;
+ StoreFilename = string();
+ Item::Failed(Message,Cnf);
+ return;
+ }
+
if (QueueNext() == false)
{
// This is the retry counter
}
}
/*}}}*/
+// AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
+// ---------------------------------------------------------------------
+bool pkgAcqArchive::IsTrusted()
+{
+ return Trusted;
+}
+ /*}}}*/
// AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/
// ---------------------------------------------------------------------
/* */
StoreFilename = string();
}
/*}}}*/
-
// AcqFile::pkgAcqFile - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The file is added to the queue */
-pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
- unsigned long Size,string Dsc,string ShortDesc) :
- Item(Owner), Md5Hash(MD5)
+pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
+ unsigned long Size,string Dsc,string ShortDesc,
+ const string &DestDir, const string &DestFilename,
+ bool IsIndexFile) :
+ Item(Owner), ExpectedHash(Hash), IsIndexFile(IsIndexFile)
{
Retries = _config->FindI("Acquire::Retries",0);
- DestFile = flNotDir(URI);
-
+ if(!DestFilename.empty())
+ DestFile = DestFilename;
+ else if(!DestDir.empty())
+ DestFile = DestDir + "/" + flNotDir(URI);
+ else
+ DestFile = flNotDir(URI);
+
// Create the item
Desc.URI = URI;
Desc.Description = Dsc;
else
PartialSize = Buf.st_size;
}
-
+
QueueURI(Desc);
}
/*}}}*/
// AcqFile::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqFile::Done(string Message,unsigned long Size,string MD5)
+void pkgAcqFile::Done(string Message,unsigned long Size,string CalcHash,
+ pkgAcquire::MethodConfig *Cnf)
{
- // Check the md5
- if (Md5Hash.empty() == false && MD5.empty() == false)
+ Item::Done(Message,Size,CalcHash,Cnf);
+
+ // Check the hash
+ if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash)
{
- if (Md5Hash != MD5)
- {
- Status = StatError;
- ErrorText = "MD5Sum mismatch";
- Rename(DestFile,DestFile + ".FAILED");
- return;
- }
+ Status = StatError;
+ ErrorText = _("Hash Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
}
- Item::Done(Message,Size,MD5);
-
string FileName = LookupTag(Message,"Filename");
if (FileName.empty() == true)
{
if (FileName != DestFile)
{
Local = true;
- if (_config->FindB("Acquire::Source-Symlinks",true) == false)
+ if (_config->FindB("Acquire::Source-Symlinks",true) == false ||
+ Cnf->Removable == true)
{
Desc.URI = "copy:" + FileName;
QueueURI(Desc);
return;
}
+ // Erase the file if it is a symlink so we can overwrite it
+ struct stat St;
+ if (lstat(DestFile.c_str(),&St) == 0)
+ {
+ if (S_ISLNK(St.st_mode) != 0)
+ unlink(DestFile.c_str());
+ }
+
+ // Symlink the file
if (symlink(FileName.c_str(),DestFile.c_str()) != 0)
{
- ErrorText = "Link to " + DestFile + "failure ";
+ ErrorText = "Link to " + DestFile + " failure ";
Status = StatError;
Complete = false;
}
Item::Failed(Message,Cnf);
}
/*}}}*/
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqFile::Custom600Headers()
+{
+ if (IsIndexFile)
+ return "\nIndex-File: true";
+ return "";
+}
+ /*}}}*/
projects / apt.git / blobdiff