* add "purge" commandline argument, closes: #133421)

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

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 38977d2b1cc76f1b603d4952a5e5bbbdb8d3eb38..1b912058614de84cdb3bf874850d23b40110ab7d 100644 (file)
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -13,9 +13,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // 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/sourcelist.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sourcelist.h>


@@ -103,7 +100,8 @@ void pkgAcquire::Item::Done(string Message,unsigned long Size,string,
 {
    // We just downloaded something..
    string FileName = LookupTag(Message,"Filename");
 {
    // We just downloaded something..
    string FileName = LookupTag(Message,"Filename");

-   if (Complete == false && FileName == DestFile)
+   // we only inform the Log class if it was actually not a local thing
+   if (Complete == false && !Local && FileName == DestFile)

    {
       if (Owner->Log != 0)
         Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
    {
       if (Owner->Log != 0)
         Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));


@@ -269,17 +267,13 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
         }
       }
 
         }
       }
 

-      // no information how to get the patches, bail out
-      if(!found) 
-      {
-        if(Debug)
-           std::clog << "Can't find a patch in the index file" << std::endl;
-        // Failed will queue a big package file
-        Failed("", NULL);
-      } 
-      else 
+      // we have something, queue the next diff
+      if(found) 

       {
         // queue the diffs
       {
         // queue the diffs

+        int last_space = Description.rfind(" ");
+        if(last_space != string::npos)
+           Description.erase(last_space, Description.size()-last_space);

         new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
                              ExpectedMD5, available_patches);
         Complete = false;
         new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
                              ExpectedMD5, available_patches);
         Complete = false;


@@ -288,7 +282,12 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
         return true;
       }
    }
         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;
 }
 
    return false;
 }
 


@@ -355,7 +354,7 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
 
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 
 
    Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
 

-   Desc.Description = URIDesc;
+   Description = URIDesc;

    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 


@@ -464,8 +463,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff()
 
    // queue the right diff
    Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
 
    // queue the right diff
    Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";

-   Desc.Description = available_patches[0].file + string(".pdiff");
-
+   Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");

    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
 
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
 


@@ -499,6 +497,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
 
       string FileName = LookupTag(Message,"Filename");
       State = StateUnzipDiff;
 
       string FileName = LookupTag(Message,"Filename");
       State = StateUnzipDiff;

+      Local = true;

       Desc.URI = "gzip:" + FileName;
       DestFile += ".decomp";
       QueueURI(Desc);
       Desc.URI = "gzip:" + FileName;
       DestFile += ".decomp";
       QueueURI(Desc);


@@ -517,6 +516,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
         std::clog << "Sending to rred method: " << FinalFile << std::endl;
 
       State = StateApplyDiff;
         std::clog << "Sending to rred method: " << FinalFile << std::endl;
 
       State = StateApplyDiff;

+      Local = true;

       Desc.URI = "rred:" + FinalFile;
       QueueURI(Desc);
       Mode = "rred";
       Desc.URI = "rred:" + FinalFile;
       QueueURI(Desc);
       Mode = "rred";


@@ -537,6 +537,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
                   << DestFile << " -> " << FinalFile << std::endl;
       }
       Rename(DestFile,FinalFile);
                   << DestFile << " -> " << FinalFile << std::endl;
       }
       Rename(DestFile,FinalFile);

+      chmod(FinalFile.c_str(),0644);

 
       // see if there is more to download
       if(available_patches.size() > 0) {
 
       // see if there is more to download
       if(available_patches.size() > 0) {


@@ -567,7 +568,7 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
    if(comprExt.empty()) 
    {
       // autoselect the compression method
    if(comprExt.empty()) 
    {
       // autoselect the compression method

-      if(FileExists("/usr/bin/bzip2")) 
+      if(FileExists("/bin/bzip2")) 

         CompressionExtension = ".bz2";
       else 
         CompressionExtension = ".gz";
         CompressionExtension = ".bz2";
       else 
         CompressionExtension = ".gz";


@@ -602,7 +603,7 @@ string pkgAcqIndex::Custom600Headers()
 void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 {
    // no .bz2 found, retry with .gz
 void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 {
    // no .bz2 found, retry with .gz

-   if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") {
+   if(Desc.URI.substr(Desc.URI.size()-3) == "bz2") {

       Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; 
 
       // retry with a gzip one 
       Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; 
 
       // retry with a gzip one 


@@ -612,9 +613,15 @@ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
       Complete = false;
       Dequeue();
       return;
       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);
 }
 
    Item::Failed(Message,Cnf);
 }
 


@@ -708,7 +715,7 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5,
    else
       Local = true;
    
    else
       Local = true;
    

-   string compExt = Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1);
+   string compExt = Desc.URI.substr(Desc.URI.size()-3);

    char *decompProg;
    if(compExt == "bz2") 
       decompProg = "bzip2";
    char *decompProg;
    if(compExt == "bz2") 
       decompProg = "bzip2";


@@ -726,6 +733,35 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5,
    Mode = decompProg;
 }
 
    Mode = decompProg;
 }
 

+// 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, "", "")
+{
+}
+
+                                                                       /*}}}*/
+// 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,
 pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
                             string URI,string URIDesc,string ShortDesc,
                             string MetaIndexURI, string MetaIndexURIDesc,


@@ -733,15 +769,15 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
                             const vector<IndexTarget*>* IndexTargets,
                             indexRecords* MetaIndexParser) :
    Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI),
                             const vector<IndexTarget*>* IndexTargets,
                             indexRecords* MetaIndexParser) :
    Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI),

-   MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc)
+   MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc),
+   MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets)

 {
 {

-   this->MetaIndexParser = MetaIndexParser;
-   this->IndexTargets = IndexTargets;

    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(URI);
 
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(URI);
 

-   // remove any partial downloaded sig-file. it may confuse proxies
-   // and is too small to warrant a partial download anyway
+   // 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
    unlink(DestFile.c_str());
 
    // Create the item


@@ -759,12 +795,6 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
       // File was already in place.  It needs to be re-verified
       // because Release might have changed, so Move it into partial
       Rename(Final,DestFile);
       // File was already in place.  It needs to be re-verified
       // because Release might have changed, so Move it into partial
       Rename(Final,DestFile);

-      // unlink the file and do not try to use I-M-S and Last-Modified
-      // if the users proxy is broken
-      if(_config->FindB("Acquire::BrokenProxy", false) == true) {
-        std::cerr << "forcing re-get of the signature file as requested" << std::endl;
-        unlink(DestFile.c_str());
-      }

    }
 
    QueueURI(Desc);
    }
 
    QueueURI(Desc);


@@ -814,18 +844,24 @@ void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5,
                                                                        /*}}}*/
 void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 {
                                                                        /*}}}*/
 void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 {

-   // Delete any existing sigfile, so that this source isn't
-   // mistakenly trusted

    string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
    string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);

-   unlink(Final.c_str());

 
 

-   // if we get a timeout if fail
-   if(LookupTag(Message,"FailReason") == "Timeout" || 
-      LookupTag(Message,"FailReason") == "TmpResolveFailure") {
+   // if we get a network error we fail gracefully
+   if(Status == StatTransientNetworkError)
+   {

       Item::Failed(Message,Cnf);
       Item::Failed(Message,Cnf);

+      // move the sigfile back on transient network failures 
+      if(FileExists(DestFile))
+        Rename(DestFile,Final);
+
+      // set the status back to , Item::Failed likes to reset it
+      Status = pkgAcquire::Item::StatTransientNetworkError;

       return;
    }
 
       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);
    // queue a pkgAcqMetaIndex with no sigfile
    new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
                       "", IndexTargets, MetaIndexParser);


@@ -848,11 +884,9 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,
                                 string SigFile,
                                 const vector<struct IndexTarget*>* IndexTargets,
                                 indexRecords* MetaIndexParser) :
                                 string SigFile,
                                 const vector<struct IndexTarget*>* IndexTargets,
                                 indexRecords* MetaIndexParser) :

-  Item(Owner), RealURI(URI), SigFile(SigFile)
+   Item(Owner), RealURI(URI), SigFile(SigFile), AuthPass(false),
+   MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets), IMSHit(false)

 {
 {

-   this->AuthPass = false;
-   this->MetaIndexParser = MetaIndexParser;
-   this->IndexTargets = IndexTargets;

    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(URI);
 
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(URI);
 


@@ -944,6 +978,9 @@ void pkgAcqMetaIndex::RetrievalDone(string Message)
       return;
    }
 
       return;
    }
 

+   // see if the download was a IMSHit
+   IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false);
+

    Complete = true;
 
    string FinalFile = _config->FindDir("Dir::State::lists");
    Complete = true;
 
    string FinalFile = _config->FindDir("Dir::State::lists");


@@ -955,6 +992,7 @@ void pkgAcqMetaIndex::RetrievalDone(string Message)
       // Move it into position
       Rename(DestFile,FinalFile);
    }
       // Move it into position
       Rename(DestFile,FinalFile);
    }

+   chmod(FinalFile.c_str(),0644);

    DestFile = FinalFile;
 }
 
    DestFile = FinalFile;
 }
 


@@ -972,7 +1010,7 @@ void pkgAcqMetaIndex::AuthDone(string Message)
       return;
    }
 
       return;
    }
 

-   if (!VerifyVendor())
+   if (!VerifyVendor(Message))

    {
       return;
    }
    {
       return;
    }


@@ -1026,7 +1064,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)
       
       // Queue Packages file (either diff or full packages files, depending
       // on the users option)
       
       // Queue Packages file (either diff or full packages files, depending
       // on the users option)

-      if(_config->FindB("Acquire::PDiffs",false) == false) 
+      if(_config->FindB("Acquire::PDiffs",true) == true) 

         new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                             (*Target)->ShortDesc, ExpectedIndexMD5);
       else 
         new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
                             (*Target)->ShortDesc, ExpectedIndexMD5);
       else 


@@ -1035,7 +1073,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)
    }
 }
 
    }
 }
 

-bool pkgAcqMetaIndex::VerifyVendor()
+bool pkgAcqMetaIndex::VerifyVendor(string Message)

 {
 //    // Maybe this should be made available from above so we don't have
 //    // to read and parse it every time?
 {
 //    // Maybe this should be made available from above so we don't have
 //    // to read and parse it every time?


@@ -1060,6 +1098,22 @@ bool pkgAcqMetaIndex::VerifyVendor()
 //          break;
 //       }
 //    }
 //          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)
+   {
+      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());

 
    string Transformed = MetaIndexParser->GetExpectedDist();
 
 
    string Transformed = MetaIndexParser->GetExpectedDist();
 


@@ -1068,7 +1122,7 @@ bool pkgAcqMetaIndex::VerifyVendor()
       Transformed = "experimental";
    }
 
       Transformed = "experimental";
    }
 

-   string::size_type pos = Transformed.rfind('/');
+   pos = Transformed.rfind('/');

    if (pos != string::npos)
    {
       Transformed = Transformed.substr(0, pos);
    if (pos != string::npos)
    {
       Transformed = Transformed.substr(0, pos);


@@ -1114,10 +1168,30 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 {
    if (AuthPass == true)
    {
 {
    if (AuthPass == true)
    {

-      // gpgv method failed
+      // if we fail the authentication but got the file via a IMS-Hit 
+      // this means that the file wasn't downloaded and that it might be
+      // just stale (server problem, proxy etc). we delete what we have
+      // queue it again without i-m-s 
+      // alternatively we could just unlink the file and let the user try again
+      if (IMSHit)
+      {
+        Complete = false;
+        Local = false;
+        AuthPass = false;
+        unlink(DestFile.c_str());
+
+        DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+        DestFile += URItoFileName(RealURI);
+        Desc.URI = RealURI;
+        QueueURI(Desc);
+        return;
+      }
+
+      // gpgv method failed 

       _error->Warning("GPG error: %s: %s",
                       Desc.Description.c_str(),
                       LookupTag(Message,"Message").c_str());
       _error->Warning("GPG error: %s: %s",
                       Desc.Description.c_str(),
                       LookupTag(Message,"Message").c_str());

+

    }
 
    // No Release file was present, or verification failed, so fall
    }
 
    // No Release file was present, or verification failed, so fall


@@ -1193,6 +1267,12 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
       }
    }
 
       }
    }
 

+   // "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. "
    // Select a source
    if (QueueNext() == false && _error->PendingError() == false)
       _error->Error(_("I wasn't able to locate file for the %s package. "


@@ -1425,13 +1505,19 @@ void pkgAcqArchive::Finished()
 // ---------------------------------------------------------------------
 /* The file is added to the queue */
 pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
 // ---------------------------------------------------------------------
 /* The file is added to the queue */
 pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,

-                      unsigned long Size,string Dsc,string ShortDesc) :
+                      unsigned long Size,string Dsc,string ShortDesc,
+                      const string &DestDir, const string &DestFilename) :

                        Item(Owner), Md5Hash(MD5)
 {
    Retries = _config->FindI("Acquire::Retries",0);
    
                        Item(Owner), Md5Hash(MD5)
 {
    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;
    // Create the item
    Desc.URI = URI;
    Desc.Description = Dsc;


@@ -1451,7 +1537,7 @@ pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
       else
         PartialSize = Buf.st_size;
    }
       else
         PartialSize = Buf.st_size;
    }

-   
+

    QueueURI(Desc);
 }
                                                                        /*}}}*/
    QueueURI(Desc);
 }
                                                                        /*}}}*/