Merge branch 'feature/test-apt-key-net-update' into debian/sid

[apt.git] / apt-pkg / acquire-item.cc

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index c48443efffe139ed7159ef4d80b73a97f6d087fd..b7692131212175e86cb19dc066ecb70e5f1fc237 100644 (file)
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -143,6 +143,32 @@ void pkgAcquire::Item::Rename(string From,string To)
    }   
 }
                                                                        /*}}}*/
    }   
 }
                                                                        /*}}}*/

+bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const error)/*{{{*/
+{
+   if(FileExists(DestFile))
+      Rename(DestFile, DestFile + ".FAILED");
+
+   switch (error)
+   {
+      case HashSumMismatch:
+        ErrorText = _("Hash Sum mismatch");
+        Status = StatAuthError;
+        ReportMirrorFailure("HashChecksumFailure");
+        break;
+      case SizeMismatch:
+        ErrorText = _("Size mismatch");
+        Status = StatAuthError;
+        ReportMirrorFailure("SizeFailure");
+        break;
+      case InvalidFormat:
+        ErrorText = _("Invalid file format");
+        Status = StatError;
+        // do not report as usually its not the mirrors fault, but Portal/Proxy
+        break;
+   }
+   return false;
+}
+                                                                       /*}}}*/

 // Acquire::Item::ReportMirrorFailure                                  /*{{{*/
 // ---------------------------------------------------------------------
 void pkgAcquire::Item::ReportMirrorFailure(string FailCode)
 // Acquire::Item::ReportMirrorFailure                                  /*{{{*/
 // ---------------------------------------------------------------------
 void pkgAcquire::Item::ReportMirrorFailure(string FailCode)


@@ -434,7 +460,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)          /*{{{*/
         if (available_patches.empty() == false)
         {
            // patching with too many files is rather slow compared to a fast download
         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);
+           unsigned long const fileLimit = _config->FindI("Acquire::PDiffs::FileLimit", 20);

            if (fileLimit != 0 && fileLimit < available_patches.size())
            {
               if (Debug)
            if (fileLimit != 0 && fileLimit < available_patches.size())
            {
               if (Debug)


@@ -595,9 +621,7 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
 
       if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
       {
 
       if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
       {

-        Status = StatAuthError;
-        ErrorText = _("MD5Sum mismatch");
-        Rename(DestFile,DestFile + ".FAILED");
+        RenameOnError(HashSumMismatch);

         Dequeue();
         return;
       }
         Dequeue();
         return;
       }


@@ -866,10 +890,7 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
 
       if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash)
       {
 
       if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash)
       {

-         Status = StatAuthError;
-         ErrorText = _("Hash Sum mismatch");
-         Rename(DestFile,DestFile + ".FAILED");
-        ReportMirrorFailure("HashChecksumFailure");
+        RenameOnError(HashSumMismatch);

          return;
       }
 
          return;
       }
 


@@ -878,22 +899,18 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
       if (Verify == true)
       {
         FileFd fd(DestFile, FileFd::ReadOnly);
       if (Verify == true)
       {
         FileFd fd(DestFile, FileFd::ReadOnly);

-        pkgTagSection sec;
-        pkgTagFile tag(&fd);
-
-         // Only test for correctness if the file is not empty (empty is ok)
-         if (fd.Size() > 0) {
-            if (_error->PendingError() || !tag.Step(sec)) {
-               Status = StatError;
-               _error->DumpErrors();
-               Rename(DestFile,DestFile + ".FAILED");
-               return;
-            } else if (!sec.Exists("Package")) {
-               Status = StatError;
-               ErrorText = ("Encountered a section with no Package: header");
-               Rename(DestFile,DestFile + ".FAILED");
-               return;
-            }
+        // Only test for correctness if the file is not empty (empty is ok)
+        if (fd.FileSize() > 0)
+        {
+           pkgTagSection sec;
+           pkgTagFile tag(&fd);
+
+           // all our current indexes have a field 'Package' in each section
+           if (_error->PendingError() == true || tag.Step(sec) == false || sec.Exists("Package") == false)
+           {
+              RenameOnError(InvalidFormat);
+              return;
+           }

          }
       }
        
          }
       }
        


@@ -984,6 +1001,8 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
    DestFile += ".decomp";
    Desc.URI = decompProg + ":" + FileName;
    QueueURI(Desc);
    DestFile += ".decomp";
    Desc.URI = decompProg + ":" + FileName;
    QueueURI(Desc);

+
+   // FIXME: this points to a c++ string that goes out of scope

    Mode = decompProg.c_str();
 }
                                                                        /*}}}*/
    Mode = decompProg.c_str();
 }
                                                                        /*}}}*/


@@ -1067,8 +1086,7 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,                           /*{{{*/
       
    string Final = _config->FindDir("Dir::State::lists");
    Final += URItoFileName(RealURI);
       
    string Final = _config->FindDir("Dir::State::lists");
    Final += URItoFileName(RealURI);

-   struct stat Buf;
-   if (stat(Final.c_str(),&Buf) == 0)
+   if (RealFileExists(Final) == true)

    {
       // File was already in place.  It needs to be re-downloaded/verified
       // because Release might have changed, we do give it a differnt
    {
       // File was already in place.  It needs to be re-downloaded/verified
       // because Release might have changed, we do give it a differnt


@@ -1080,6 +1098,19 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,                          /*{{{*/
    }
 
    QueueURI(Desc);
    }
 
    QueueURI(Desc);

+}
+                                                                       /*}}}*/
+pkgAcqMetaSig::~pkgAcqMetaSig()                                                /*{{{*/
+{
+   // if the file was never queued undo file-changes done in the constructor
+   if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false &&
+        LastGoodSig.empty() == false)
+   {
+      string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+      if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true)
+        Rename(LastGoodSig, Final);
+   }
+

 }
                                                                        /*}}}*/
 // pkgAcqMetaSig::Custom600Headers - Insert custom request headers     /*{{{*/
 }
                                                                        /*}}}*/
 // pkgAcqMetaSig::Custom600Headers - Insert custom request headers     /*{{{*/


@@ -1369,9 +1400,20 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                          /*{{{*/
    {
       HashString ExpectedIndexHash;
       const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
    {
       HashString ExpectedIndexHash;
       const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);

+      bool compressedAvailable = false;

       if (Record == NULL)
       {
       if (Record == NULL)
       {

-        if (verify == true && (*Target)->IsOptional() == false)
+        if ((*Target)->IsOptional() == true)
+        {
+           std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+           for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
+              if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true)
+              {
+                 compressedAvailable = true;
+                 break;
+              }
+        }
+        else if (verify == true)

         {
            Status = StatAuthError;
            strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());
         {
            Status = StatAuthError;
            strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());


@@ -1400,7 +1442,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)                           /*{{{*/
         if ((*Target)->IsSubIndex() == true)
            new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description,
                                (*Target)->ShortDesc, ExpectedIndexHash);
         if ((*Target)->IsSubIndex() == true)
            new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description,
                                (*Target)->ShortDesc, ExpectedIndexHash);

-        else if (transInRelease == false || MetaIndexParser->Exists((*Target)->MetaKey) == true)
+        else if (transInRelease == false || Record != NULL || compressedAvailable == true)

         {
            if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
                MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)
         {
            if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
                MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)


@@ -1584,14 +1626,25 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner,               /*{{{*/
 
    // keep the old InRelease around in case of transistent network errors
    string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
 
    // keep the old InRelease around in case of transistent network errors
    string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);

-   struct stat Buf;
-   if (stat(Final.c_str(),&Buf) == 0)
+   if (RealFileExists(Final) == true)

    {
       string const LastGoodSig = DestFile + ".reverify";
       Rename(Final,LastGoodSig);
    }
 }
                                                                        /*}}}*/
    {
       string const LastGoodSig = DestFile + ".reverify";
       Rename(Final,LastGoodSig);
    }
 }
                                                                        /*}}}*/

+pkgAcqMetaClearSig::~pkgAcqMetaClearSig()                              /*{{{*/
+{
+   // if the file was never queued undo file-changes done in the constructor
+   if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false)
+   {
+      string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+      string const LastGoodSig = DestFile + ".reverify";
+      if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true)
+        Rename(LastGoodSig, Final);
+   }
+}
+                                                                       /*}}}*/

 // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers        /*{{{*/
 // ---------------------------------------------------------------------
 // FIXME: this can go away once the InRelease file is used widely
 // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers        /*{{{*/
 // ---------------------------------------------------------------------
 // FIXME: this can go away once the InRelease file is used widely


@@ -1683,34 +1736,40 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
    }
 
    // check if we have one trusted source for the package. if so, switch
    }
 
    // check if we have one trusted source for the package. if so, switch

-   // to "TrustedOnly" mode
+   // to "TrustedOnly" mode - but only if not in AllowUnauthenticated mode
+   bool const allowUnauth = _config->FindB("APT::Get::AllowUnauthenticated", false);
+   bool const debugAuth = _config->FindB("Debug::pkgAcquire::Auth", false);
+   bool seenUntrusted = false;

    for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; ++i)
    {
       pkgIndexFile *Index;
       if (Sources->FindIndex(i.File(),Index) == false)
          continue;
    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))
-      {
+
+      if (debugAuth == true)

          std::cerr << "Checking index: " << Index->Describe()
          std::cerr << "Checking index: " << Index->Describe()

-                   << "(Trusted=" << Index->IsTrusted() << ")\n";
-      }
-      if (Index->IsTrusted()) {
+                   << "(Trusted=" << Index->IsTrusted() << ")" << std::endl;
+
+      if (Index->IsTrusted() == true)
+      {

          Trusted = true;
          Trusted = true;

-        break;
+        if (allowUnauth == false)
+           break;

       }
       }

+      else
+         seenUntrusted = true;

    }
 
    // "allow-unauthenticated" restores apts old fetching behaviour
    // that means that e.g. unauthenticated file:// uris are higher
    // priority than authenticated http:// uris
    }
 
    // "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)
+   if (allowUnauth == true && seenUntrusted == true)

       Trusted = false;
 
    // Select a source
    if (QueueNext() == false && _error->PendingError() == false)
       Trusted = false;
 
    // Select a source
    if (QueueNext() == false && _error->PendingError() == false)

-      _error->Error(_("I wasn't able to locate a file for the %s package. "
-                   "This might mean you need to manually fix this package."),
-                   Version.ParentPkg().Name());
+      _error->Error(_("Can't find a source to download version '%s' of '%s'"),
+                   Version.VerStr(), Version.ParentPkg().FullName(false).c_str());

 }
                                                                        /*}}}*/
 // AcqArchive::QueueNext - Queue the next file source                  /*{{{*/
 }
                                                                        /*}}}*/
 // AcqArchive::QueueNext - Queue the next file source                  /*{{{*/


@@ -1864,18 +1923,14 @@ void pkgAcqArchive::Done(string Message,unsigned long long Size,string CalcHash,
    // Check the size
    if (Size != Version->Size)
    {
    // Check the size
    if (Size != Version->Size)
    {

-      Status = StatError;
-      ErrorText = _("Size mismatch");
+      RenameOnError(SizeMismatch);

       return;
    }
    
    // Check the hash
    if(ExpectedHash.toStr() != CalcHash)
    {
       return;
    }
    
    // Check the hash
    if(ExpectedHash.toStr() != CalcHash)
    {

-      Status = StatError;
-      ErrorText = _("Hash Sum mismatch");
-      if(FileExists(DestFile))
-        Rename(DestFile,DestFile + ".FAILED");
+      RenameOnError(HashSumMismatch);

       return;
    }
 
       return;
    }
 


@@ -2015,9 +2070,7 @@ void pkgAcqFile::Done(string Message,unsigned long long Size,string CalcHash,
    // Check the hash
    if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash)
    {
    // Check the hash
    if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash)
    {

-      Status = StatError;
-      ErrorText = _("Hash Sum mismatch");
-      Rename(DestFile,DestFile + ".FAILED");
+      RenameOnError(HashSumMismatch);

       return;
    }
    
       return;
    }