]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/acquire-item.cc
Slovak translation updated
[apt.git] / apt-pkg / acquire-item.cc
index 6d3bc25f3df1499ee8c8f1451ef2ba579251323b..39ae327cbb64853d8cb869f3e6de049c44053fac 100644 (file)
@@ -131,9 +131,7 @@ void pkgAcquire::Item::Rename(string From,string To)
    }   
 }
                                                                        /*}}}*/
-
-
-// AcqDiffIndex::AcqDiffIndex - Constructor                    
+// 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
@@ -184,7 +182,7 @@ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
    QueueURI(Desc);
 
 }
-
+                                                                       /*}}}*/
 // AcqIndex::Custom600Headers - Insert custom request headers          /*{{{*/
 // ---------------------------------------------------------------------
 /* The only header we use is the last-modified header. */
@@ -202,9 +200,8 @@ string pkgAcqDiffIndex::Custom600Headers()
    
    return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
-
-
-bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
+                                                                       /*}}}*/
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)             /*{{{*/
 {
    if(Debug)
       std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile 
@@ -291,8 +288,8 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
       std::clog << "Can't find a patch in the index file" << std::endl;
    return false;
 }
-
-void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+                                                                       /*}}}*/
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)     /*{{{*/
 {
    if(Debug)
       std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
@@ -305,8 +302,8 @@ void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    Status = StatDone;
    Dequeue();
 }
-
-void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
+                                                                       /*}}}*/
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,   /*{{{*/
                           pkgAcquire::MethodConfig *Cnf)
 {
    if(Debug)
@@ -335,17 +332,15 @@ void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
    Dequeue();
    return;
 }
-
-
-
-// AcqIndexDiffs::AcqIndexDiffs - Constructor                  
+                                                                       /*}}}*/
+// 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 ExpectedMD5
+                                  HashString ExpectedHash
                                   vector<DiffInfo> diffs)
    : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), 
      available_patches(diffs)
@@ -372,9 +367,8 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
       QueueNextDiff();
    }
 }
-
-
-void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+                                                                       /*}}}*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)    /*{{{*/
 {
    if(Debug)
       std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
@@ -383,9 +377,8 @@ void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
                   ExpectedHash);
    Finish();
 }
-
-
-// helper that cleans the item out of the fetcher queue
+                                                                       /*}}}*/
+// 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
@@ -420,10 +413,8 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
    Dequeue();
    return;
 }
-
-
-
-bool pkgAcqIndexDiffs::QueueNextDiff()
+                                                                       /*}}}*/
+bool pkgAcqIndexDiffs::QueueNextDiff()                                 /*{{{*/
 {
 
    // calc sha1 of the just patched file
@@ -469,10 +460,8 @@ bool pkgAcqIndexDiffs::QueueNextDiff()
 
    return true;
 }
-
-
-
-void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
+                                                                       /*}}}*/
+void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,  /*{{{*/
                            pkgAcquire::MethodConfig *Cnf)
 {
    if(Debug)
@@ -543,8 +532,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
         return Finish(true);
    }
 }
-
-
+                                                                       /*}}}*/
 // AcqIndex::AcqIndex - Constructor                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* The package file is added to the queue and a second class is 
@@ -568,9 +556,9 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
       else 
         CompressionExtension = ".gz";
    } else {
-      CompressionExtension = comprExt;
+      CompressionExtension = (comprExt == "plain" ? "" : comprExt);
    }
-   Desc.URI = URI + CompressionExtension; 
+   Desc.URI = URI + CompressionExtension;
 
    Desc.Description = URIDesc;
    Desc.Owner = this;
@@ -594,22 +582,32 @@ string pkgAcqIndex::Custom600Headers()
    return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
                                                                        /*}}}*/
-
-void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
 {
+   bool descChanged = false;
    // no .bz2 found, retry with .gz
    if(Desc.URI.substr(Desc.URI.size()-3) == "bz2") {
-      Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; 
+      Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz";
 
-      // retry with a gzip one 
-      new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc, 
+      new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
                      ExpectedHash, string(".gz"));
+         descChanged = true;
+   }
+   // no .gz found, retry with uncompressed
+   else if(Desc.URI.substr(Desc.URI.size()-2) == "gz") {
+      Desc.URI = Desc.URI.substr(0,Desc.URI.size()-2);
+
+      new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
+                     ExpectedHash, string("plain"));
+         descChanged = true;
+   }
+   if (descChanged) {
       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/";
@@ -619,8 +617,7 @@ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 
    Item::Failed(Message,Cnf);
 }
-
-
+                                                                       /*}}}*/
 // AcqIndex::Done - Finished a fetch                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* This goes through a number of states.. On the initial fetch the
@@ -641,10 +638,10 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
          std::cerr << "  Expected Hash: " << ExpectedHash.toStr() << std::endl;
       }
 
-      if (!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
+      if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash)
       {
          Status = StatAuthError;
-         ErrorText = _("MD5Sum mismatch");
+         ErrorText = _("Hash Sum mismatch");
          Rename(DestFile,DestFile + ".FAILED");
          return;
       }
@@ -675,7 +672,6 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
       // The files timestamp matches
       if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
         return;
-
       Decompression = true;
       Local = true;
       DestFile += ".decomp";
@@ -701,12 +697,19 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
    else
       Local = true;
    
-   string compExt = Desc.URI.substr(Desc.URI.size()-3);
-   char *decompProg;
+   string compExt = flExtension(flNotDir(URI(Desc.URI).Path));
+   const char *decompProg;
    if(compExt == "bz2") 
       decompProg = "bzip2";
-   else if(compExt == ".gz") 
+   else if(compExt == "gz") 
       decompProg = "gzip";
+   // 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;
@@ -718,7 +721,7 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
    QueueURI(Desc);
    Mode = decompProg;
 }
-
+                                                                       /*}}}*/
 // AcqIndexTrans::pkgAcqIndexTrans - Constructor                       /*{{{*/
 // ---------------------------------------------------------------------
 /* The Translation file is added to the queue */
@@ -727,7 +730,6 @@ pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
   : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
 {
 }
-
                                                                        /*}}}*/
 // AcqIndexTrans::Failed - Silence failure messages for missing files  /*{{{*/
 // ---------------------------------------------------------------------
@@ -747,8 +749,7 @@ void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    Item::Failed(Message,Cnf);
 }
                                                                        /*}}}*/
-
-pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
+pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,                                /*{{{*/
                             string URI,string URIDesc,string ShortDesc,
                             string MetaIndexURI, string MetaIndexURIDesc,
                             string MetaIndexShortDesc,
@@ -771,16 +772,19 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
    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-verified
-      // because Release might have changed, so Move it into partial
-      Rename(Final,DestFile);
+      // 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);
@@ -792,7 +796,7 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
 string pkgAcqMetaSig::Custom600Headers()
 {
    struct stat Buf;
-   if (stat(DestFile.c_str(),&Buf) != 0)
+   if (stat(LastGoodSig.c_str(),&Buf) != 0)
       return "\nIndex-File: true";
 
    return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
@@ -822,13 +826,19 @@ void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5,
 
    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)
+void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
 {
    string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
 
@@ -838,7 +848,7 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
       Item::Failed(Message,Cnf);
       // move the sigfile back on transient network failures 
       if(FileExists(DestFile))
-        Rename(DestFile,Final);
+        Rename(LastGoodSig,Final);
 
       // set the status back to , Item::Failed likes to reset it
       Status = pkgAcquire::Item::StatTransientNetworkError;
@@ -864,8 +874,8 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    
    Item::Failed(Message,Cnf);
 }
-
-pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,
+                                                                       /*}}}*/
+pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,                    /*{{{*/
                                 string URI,string URIDesc,string ShortDesc,
                                 string SigFile,
                                 const vector<struct IndexTarget*>* IndexTargets,
@@ -884,7 +894,6 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,
 
    QueueURI(Desc);
 }
-
                                                                        /*}}}*/
 // pkgAcqMetaIndex::Custom600Headers - Insert custom request headers   /*{{{*/
 // ---------------------------------------------------------------------
@@ -900,8 +909,8 @@ string pkgAcqMetaIndex::Custom600Headers()
    
    return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
-
-void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash,
+                                                                       /*}}}*/
+void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash,      /*{{{*/
                           pkgAcquire::MethodConfig *Cfg)
 {
    Item::Done(Message,Size,Hash,Cfg);
@@ -942,8 +951,8 @@ void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash,
       }
    }
 }
-
-void pkgAcqMetaIndex::RetrievalDone(string Message)
+                                                                       /*}}}*/
+void pkgAcqMetaIndex::RetrievalDone(string Message)                    /*{{{*/
 {
    // We have just finished downloading a Release file (it is not
    // verified yet)
@@ -966,23 +975,23 @@ void pkgAcqMetaIndex::RetrievalDone(string Message)
 
    // see if the download was a IMSHit
    IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false);
-
    Complete = true;
 
    string FinalFile = _config->FindDir("Dir::State::lists");
    FinalFile += URItoFileName(RealURI);
 
-   // The files timestamp matches
-   if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == false)
-   {
-      // Move it into position
+   // If we get a IMS hit we can remove the empty file in partial
+   // othersie we move the file in place
+   if (IMSHit)
+      unlink(DestFile.c_str());
+   else
       Rename(DestFile,FinalFile);
-   }
+
    chmod(FinalFile.c_str(),0644);
    DestFile = FinalFile;
 }
-
-void pkgAcqMetaIndex::AuthDone(string Message)
+                                                                       /*}}}*/
+void pkgAcqMetaIndex::AuthDone(string Message)                         /*{{{*/
 {
    // At this point, the gpgv method has succeeded, so there is a
    // valid signature from a key in the trusted keyring.  We
@@ -1015,8 +1024,8 @@ void pkgAcqMetaIndex::AuthDone(string Message)
    Rename(SigFile,VerifiedSigFile);
    chmod(VerifiedSigFile.c_str(),0644);
 }
-
-void pkgAcqMetaIndex::QueueIndexes(bool verify)
+                                                                       /*}}}*/
+void pkgAcqMetaIndex::QueueIndexes(bool verify)                                /*{{{*/
 {
    for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
         Target != IndexTargets->end();
@@ -1058,8 +1067,8 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)
                            (*Target)->ShortDesc, ExpectedIndexHash);
    }
 }
-
-bool pkgAcqMetaIndex::VerifyVendor(string Message)
+                                                                       /*}}}*/
+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?
@@ -1145,9 +1154,8 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message)
 
    return true;
 }
-                                                                       /*}}}*/
-// pkgAcqMetaIndex::Failed - no Release file present or no signature
-//      file present                                           /*{{{*/
+                                                                       /*}}}*/
+// pkgAcqMetaIndex::Failed - no Release file present or no signature file present      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
@@ -1184,9 +1192,7 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    // back to queueing Packages files without verification
    QueueIndexes(false);
 }
-
                                                                        /*}}}*/
-
 // AcqArchive::AcqArchive - Constructor                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This just sets up the initial fetch environment and queues the first
@@ -1296,11 +1302,11 @@ bool pkgAcqArchive::QueueNext()
       
       string PkgFile = Parse.FileName();
       if(Parse.SHA256Hash() != "")
-        hash = HashString("SHA256", Parse.SHA256Hash());
+        ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
       else if (Parse.SHA1Hash() != "")
-        hash = HashString("SHA1", Parse.SHA1Hash());
+        ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
       else 
-        hash = HashString("MD5Sum", Parse.MD5Hash());
+        ExpectedHash = HashString("MD5Sum", Parse.MD5Hash());
       if (PkgFile.empty() == true)
         return _error->Error(_("The package index files are corrupted. No Filename: "
                              "field for package %s."),
@@ -1394,10 +1400,10 @@ void pkgAcqArchive::Done(string Message,unsigned long Size,string CalcHash,
    }
    
    // Check the hash
-   if(!hash.VerifyFile(DestFile))
+   if(ExpectedHash.toStr() != CalcHash)
    {
       Status = StatError;
-      ErrorText = _("MD5Sum mismatch");
+      ErrorText = _("Hash Sum mismatch");
       if(FileExists(DestFile))
         Rename(DestFile,DestFile + ".FAILED");
       return;
@@ -1469,14 +1475,13 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    }
 }
                                                                        /*}}}*/
-// AcqArchive::IsTrusted - Determine whether this archive comes from a
-// trusted source                                                      /*{{{*/
+// AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
 // ---------------------------------------------------------------------
 bool pkgAcqArchive::IsTrusted()
 {
    return Trusted;
 }
-
+                                                                       /*}}}*/
 // AcqArchive::Finished - Fetching has finished, tidy up               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1488,14 +1493,13 @@ void pkgAcqArchive::Finished()
    StoreFilename = string();
 }
                                                                        /*}}}*/
-
 // AcqFile::pkgAcqFile - Constructor                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* The file is added to the queue */
-pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
+pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
                       unsigned long Size,string Dsc,string ShortDesc,
                       const string &DestDir, const string &DestFilename) :
-                       Item(Owner), hash(MD5)
+                       Item(Owner), ExpectedHash(Hash)
 {
    Retries = _config->FindI("Acquire::Retries",0);
    
@@ -1537,11 +1541,11 @@ void pkgAcqFile::Done(string Message,unsigned long Size,string CalcHash,
 {
    Item::Done(Message,Size,CalcHash,Cnf);
 
-   // Check the md5
-   if(!hash.VerifyFile(DestFile))
+   // Check the hash
+   if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash)
    {
       Status = StatError;
-      ErrorText = "MD5Sum mismatch";
+      ErrorText = "Hash Sum mismatch";
       Rename(DestFile,DestFile + ".FAILED");
       return;
    }