Merge branch 'debian/jessie' into debian/experimental

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

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 60b8161e8ff10a7cd281005063abc2577c4d19dc..c29ef469e18eb16d9e7d1c68187918819acaf6b2 100644 (file)
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -1,12 +1,12 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: acquire-method.cc,v 1.23 1999/12/09 21:18:01 jgg Exp $
+// $Id: acquire-method.cc,v 1.27.2.1 2003/12/24 23:09:17 mdz Exp $

 /* ######################################################################
 
    Acquire Method
 
    This is a skeleton class that implements most of the functionality
 /* ######################################################################
 
    Acquire Method
 
    This is a skeleton class that implements most of the functionality

-   of a method and some usefull functions to make method implementation
+   of a method and some useful functions to make method implementation

    simpler. The methods all derive this and specialize it. The most
    complex implementation is the http method which needs to provide
    pipelining, it runs the message engine at the same time it is 
    simpler. The methods all derive this and specialize it. The most
    complex implementation is the http method which needs to provide
    pipelining, it runs the message engine at the same time it is 


@@ -15,48 +15,57 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-method.h"
-#endif
+#include <config.h>
+

 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>

+#include <apt-pkg/hashes.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha2.h>

 
 #include <stdarg.h>
 
 #include <stdarg.h>

-#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>

 #include <unistd.h>
 #include <unistd.h>

+#include <string>
+#include <vector>
+#include <iostream>
+#include <stdio.h>

                                                                        /*}}}*/
 
                                                                        /*}}}*/
 

+using namespace std;
+

 // AcqMethod::pkgAcqMethod - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This constructs the initialization text */
 pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
 {
 // AcqMethod::pkgAcqMethod - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This constructs the initialization text */
 pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
 {

-   char S[300] = "";
-   char *End = S;
-   strcat(End,"100 Capabilities\n");
-   sprintf(End+strlen(End),"Version: %s\n",Ver);
+   std::cout << "100 Capabilities\n"
+            << "Version: " << Ver << "\n";

 
    if ((Flags & SingleInstance) == SingleInstance)
 
    if ((Flags & SingleInstance) == SingleInstance)

-      strcat(End,"Single-Instance: true\n");
-   
+      std::cout << "Single-Instance: true\n";
+

    if ((Flags & Pipeline) == Pipeline)
    if ((Flags & Pipeline) == Pipeline)

-      strcat(End,"Pipeline: true\n");
-   
+      std::cout << "Pipeline: true\n";
+

    if ((Flags & SendConfig) == SendConfig)
    if ((Flags & SendConfig) == SendConfig)

-      strcat(End,"Send-Config: true\n");
+      std::cout << "Send-Config: true\n";

 
    if ((Flags & LocalOnly) == LocalOnly)
 
    if ((Flags & LocalOnly) == LocalOnly)

-      strcat(End,"Local-Only: true\n");
+      std::cout <<"Local-Only: true\n";

 
    if ((Flags & NeedsCleanup) == NeedsCleanup)
 
    if ((Flags & NeedsCleanup) == NeedsCleanup)

-      strcat(End,"Needs-Cleanup: true\n");
-   strcat(End,"\n");
+      std::cout << "Needs-Cleanup: true\n";
+
+   if ((Flags & Removable) == Removable)
+      std::cout << "Removable: true\n";

 
 

-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
+   std::cout << "\n" << std::flush;

 
    SetNonBlock(STDIN_FILENO,true);
 
 
    SetNonBlock(STDIN_FILENO,true);
 


@@ -82,40 +91,48 @@ void pkgAcqMethod::Fail(bool Transient)
 void pkgAcqMethod::Fail(string Err,bool Transient)
 {
    // Strip out junk from the error messages
 void pkgAcqMethod::Fail(string Err,bool Transient)
 {
    // Strip out junk from the error messages

-   for (char *I = Err.begin(); I != Err.end(); I++)
+   for (string::iterator I = Err.begin(); I != Err.end(); ++I)

    {
       if (*I == '\r') 
         *I = ' ';
       if (*I == '\n') 
         *I = ' ';
    }
    {
       if (*I == '\r') 
         *I = ' ';
       if (*I == '\n') 
         *I = ' ';
    }

-   
-   char S[1024];
+

    if (Queue != 0)
    {
    if (Queue != 0)
    {

-      snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n"
-              "Message: %s\n",Queue->Uri.c_str(),Err.c_str());
-
-      // Dequeue
-      FetchItem *Tmp = Queue;
-      Queue = Queue->Next;
-      delete Tmp;
-      if (Tmp == QueueBack)
-        QueueBack = Queue;
+      std::cout << "400 URI Failure\nURI: " << Queue->Uri << "\n"
+               << "Message: " << Err;
+      if (IP.empty() == false && _config->FindB("Acquire::Failure::ShowIP", true) == true)
+        std::cout << " " << IP;
+      std::cout << "\n";
+      Dequeue();

    }
    else
    }
    else

-      snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: <UNKNOWN>\n"
-              "Message: %s\n",Err.c_str());
-      
-   // Set the transient flag 
+      std::cout << "400 URI Failure\nURI: <UNKNOWN>\nMessage: " << Err << "\n";
+
+   if(FailReason.empty() == false)
+      std::cout << "FailReason: " << FailReason << "\n";
+   if (UsedMirror.empty() == false)
+      std::cout << "UsedMirror: " << UsedMirror << "\n";
+   // Set the transient flag

    if (Transient == true)
    if (Transient == true)

-      strcat(S,"Transient-Failure: true\n\n");
-   else
-      strcat(S,"\n");
-   
-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
+      std::cout << "Transient-Failure: true\n";
+
+   std::cout << "\n" << std::flush;
+}
+                                                                       /*}}}*/
+// AcqMethod::DropPrivsOrDie - Drop privileges or die          /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::DropPrivsOrDie()
+{
+   if (!DropPrivileges()) {
+      Fail(false);
+      exit(112);       /* call the european emergency number */
+   }

 }
 }

+

                                                                        /*}}}*/
 // AcqMethod::URIStart - Indicate a download is starting               /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // AcqMethod::URIStart - Indicate a download is starting               /*{{{*/
 // ---------------------------------------------------------------------


@@ -124,91 +141,91 @@ void pkgAcqMethod::URIStart(FetchResult &Res)
 {
    if (Queue == 0)
       abort();
 {
    if (Queue == 0)
       abort();

-   
-   char S[1024] = "";
-   char *End = S;
-   
-   End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str());
+
+   std::cout << "200 URI Start\n"
+            << "URI: " << Queue->Uri << "\n";

    if (Res.Size != 0)
    if (Res.Size != 0)

-      End += snprintf(End,sizeof(S)-4 - (End - S),"Size: %lu\n",Res.Size);
-   
+      std::cout << "Size: " << Res.Size << "\n";
+

    if (Res.LastModified != 0)
    if (Res.LastModified != 0)

-      End += snprintf(End,sizeof(S)-4 - (End - S),"Last-Modified: %s\n",
-                     TimeRFC1123(Res.LastModified).c_str());
-   
+      std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n";
+

    if (Res.ResumePoint != 0)
    if (Res.ResumePoint != 0)

-      End += snprintf(End,sizeof(S)-4 - (End - S),"Resume-Point: %lu\n",
-                     Res.ResumePoint);
-      
-   strcat(End,"\n");
-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
+      std::cout << "Resume-Point: " << Res.ResumePoint << "\n";
+
+   if (UsedMirror.empty() == false)
+      std::cout << "UsedMirror: " << UsedMirror << "\n";
+
+   std::cout << "\n" << std::flush;

 }
                                                                        /*}}}*/
 // AcqMethod::URIDone - A URI is finished                              /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 }
                                                                        /*}}}*/
 // AcqMethod::URIDone - A URI is finished                              /*{{{*/
 // ---------------------------------------------------------------------
 /* */

+static void printHashStringList(HashStringList const * const list)
+{
+      for (HashStringList::const_iterator hash = list->begin(); hash != list->end(); ++hash)
+      {
+        // very old compatibility name for MD5Sum
+        if (hash->HashType() == "MD5Sum")
+           std::cout << "MD5-Hash: " << hash->HashValue() << "\n";
+        std::cout << hash->HashType() << "-Hash: " << hash->HashValue() << "\n";
+      }
+}

 void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
 {
    if (Queue == 0)
       abort();
 void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
 {
    if (Queue == 0)
       abort();

-   
-   char S[1024] = "";
-   char *End = S;
-   
-   End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str());
+
+   std::cout << "201 URI Done\n"
+            << "URI: " << Queue->Uri << "\n";

 
    if (Res.Filename.empty() == false)
 
    if (Res.Filename.empty() == false)

-      End += snprintf(End,sizeof(S)-50 - (End - S),"Filename: %s\n",Res.Filename.c_str());
-   
+      std::cout << "Filename: " << Res.Filename << "\n";
+

    if (Res.Size != 0)
    if (Res.Size != 0)

-      End += snprintf(End,sizeof(S)-50 - (End - S),"Size: %lu\n",Res.Size);
-   
+      std::cout << "Size: " << Res.Size << "\n";
+

    if (Res.LastModified != 0)
    if (Res.LastModified != 0)

-      End += snprintf(End,sizeof(S)-50 - (End - S),"Last-Modified: %s\n",
-                     TimeRFC1123(Res.LastModified).c_str());
+      std::cout << "Last-Modified: " << TimeRFC1123(Res.LastModified) << "\n";

 
 

-   if (Res.MD5Sum.empty() == false)
-      End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
+   printHashStringList(&Res.Hashes);
+
+   if (UsedMirror.empty() == false)
+      std::cout << "UsedMirror: " << UsedMirror << "\n";
+   if (Res.GPGVOutput.empty() == false)
+   {
+      std::cout << "GPGVOutput:\n";
+      for (vector<string>::const_iterator I = Res.GPGVOutput.begin();
+          I != Res.GPGVOutput.end(); ++I)
+        std::cout << " " << *I << "\n";
+   }

 
    if (Res.ResumePoint != 0)
 
    if (Res.ResumePoint != 0)

-      End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n",
-                     Res.ResumePoint);
+      std::cout << "Resume-Point: " << Res.ResumePoint << "\n";

 
    if (Res.IMSHit == true)
 
    if (Res.IMSHit == true)

-      strcat(End,"IMS-Hit: true\n");
-   End = S + strlen(S);
-   
+      std::cout << "IMS-Hit: true\n";
+

    if (Alt != 0)
    {
       if (Alt->Filename.empty() == false)
    if (Alt != 0)
    {
       if (Alt->Filename.empty() == false)

-        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str());
-      
+        std::cout << "Alt-Filename: " << Alt->Filename << "\n";
+

       if (Alt->Size != 0)
       if (Alt->Size != 0)

-        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Size: %lu\n",Alt->Size);
-      
+        std::cout << "Alt-Size: " << Alt->Size << "\n";
+

       if (Alt->LastModified != 0)
       if (Alt->LastModified != 0)

-        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Last-Modified: %s\n",
-                        TimeRFC1123(Alt->LastModified).c_str());
-      
-      if (Alt->MD5Sum.empty() == false)
-        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n",
-                        Alt->MD5Sum.c_str());
-      
+        std::cout << "Alt-Last-Modified: " << TimeRFC1123(Alt->LastModified) << "\n";
+
+      printHashStringList(&Alt->Hashes);
+

       if (Alt->IMSHit == true)
       if (Alt->IMSHit == true)

-        strcat(End,"Alt-IMS-Hit: true\n");
+        std::cout << "Alt-IMS-Hit: true\n";

    }
    }

-   
-   strcat(End,"\n");
-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);

 
 

-   // Dequeue
-   FetchItem *Tmp = Queue;
-   Queue = Queue->Next;
-   delete Tmp;
-   if (Tmp == QueueBack)
-      QueueBack = Queue;
+   std::cout << "\n" << std::flush;
+   Dequeue();

 }
                                                                        /*}}}*/
 // AcqMethod::MediaFail - Syncronous request for new media             /*{{{*/
 }
                                                                        /*}}}*/
 // AcqMethod::MediaFail - Syncronous request for new media             /*{{{*/


@@ -217,13 +234,10 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
    to be ackd */
 bool pkgAcqMethod::MediaFail(string Required,string Drive)
 {
    to be ackd */
 bool pkgAcqMethod::MediaFail(string Required,string Drive)
 {

-   char S[1024];
-   snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n",
+   fprintf(stdout, "403 Media Failure\nMedia: %s\nDrive: %s\n",

            Required.c_str(),Drive.c_str());
            Required.c_str(),Drive.c_str());

+   std::cout << "\n" << std::flush;

 
 

-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
-   

    vector<string> MyMessages;
    
    /* Here we read messages until we find a 603, each non 603 message is
    vector<string> MyMessages;
    
    /* Here we read messages until we find a 603, each non 603 message is


@@ -257,7 +271,7 @@ bool pkgAcqMethod::MediaFail(string Required,string Drive)
            MyMessages.erase(MyMessages.begin());
         }
 
            MyMessages.erase(MyMessages.begin());
         }
 

-        return !StringToBool(LookupTag(Message,"Fail"),false);
+        return !StringToBool(LookupTag(Message,"Failed"),false);

       }
       
       Messages.push_back(Message);
       }
       
       Messages.push_back(Message);


@@ -272,10 +286,11 @@ bool pkgAcqMethod::Configuration(string Message)
 {
    ::Configuration &Cnf = *_config;
    
 {
    ::Configuration &Cnf = *_config;
    

-   const char *I = Message.begin();
+   const char *I = Message.c_str();
+   const char *MsgEnd = I + Message.length();

    
    unsigned int Length = strlen("Config-Item");
    
    unsigned int Length = strlen("Config-Item");

-   for (; I + Length < Message.end(); I++)
+   for (; I + Length < MsgEnd; I++)

    {
       // Not a config item
       if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)
    {
       // Not a config item
       if (I[Length] != ':' || stringcasecmp(I,I+Length,"Config-Item") != 0)


@@ -283,13 +298,13 @@ bool pkgAcqMethod::Configuration(string Message)
       
       I += Length + 1;
       
       
       I += Length + 1;
       

-      for (; I < Message.end() && *I == ' '; I++);
-      const char *Equals = I;
-      for (; Equals < Message.end() && *Equals != '='; Equals++);
-      const char *End = Equals;
-      for (; End < Message.end() && *End != '\n'; End++);
-      if (End == Equals)
+      for (; I < MsgEnd && *I == ' '; I++);
+      const char *Equals = (const char*) memchr(I, '=', MsgEnd - I);
+      if (Equals == NULL)

         return false;
         return false;

+      const char *End = (const char*) memchr(Equals, '\n', MsgEnd - Equals);
+      if (End == NULL)
+        End = MsgEnd;

       
       Cnf.Set(DeQuoteString(string(I,Equals-I)),
              DeQuoteString(string(Equals+1,End-Equals-1)));
       
       Cnf.Set(DeQuoteString(string(I,Equals-I)),
              DeQuoteString(string(Equals+1,End-Equals-1)));


@@ -347,9 +362,21 @@ int pkgAcqMethod::Run(bool Single)
            
            Tmp->Uri = LookupTag(Message,"URI");
            Tmp->DestFile = LookupTag(Message,"FileName");
            
            Tmp->Uri = LookupTag(Message,"URI");
            Tmp->DestFile = LookupTag(Message,"FileName");

-           if (StrToTime(LookupTag(Message,"Last-Modified"),Tmp->LastModified) == false)
+           if (RFC1123StrToTime(LookupTag(Message,"Last-Modified").c_str(),Tmp->LastModified) == false)

               Tmp->LastModified = 0;
            Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);
               Tmp->LastModified = 0;
            Tmp->IndexFile = StringToBool(LookupTag(Message,"Index-File"),false);

+           Tmp->FailIgnore = StringToBool(LookupTag(Message,"Fail-Ignore"),false);
+           Tmp->ExpectedHashes = HashStringList();
+           for (char const * const * t = HashString::SupportedHashes(); *t != NULL; ++t)
+           {
+              std::string tag = "Expected-";
+              tag.append(*t);
+              std::string const hash = LookupTag(Message, tag.c_str());
+              if (hash.empty() == false)
+                 Tmp->ExpectedHashes.push_back(HashString(*t, hash));
+           }
+            char *End;
+            Tmp->MaximumSize = strtoll(LookupTag(Message, "Maximum-Size", "0").c_str(), &End, 10);

            Tmp->Next = 0;
            
            // Append it to the list
            Tmp->Next = 0;
            
            // Append it to the list


@@ -372,28 +399,34 @@ int pkgAcqMethod::Run(bool Single)
    return 0;
 }
                                                                        /*}}}*/
    return 0;
 }
                                                                        /*}}}*/

-// AcqMethod::Log - Send a log message                                 /*{{{*/
+// AcqMethod::PrintStatus - privately really send a log/status message /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-void pkgAcqMethod::Log(const char *Format,...)
+void pkgAcqMethod::PrintStatus(char const * const header, const char* Format,
+                              va_list &args) const

 {
    string CurrentURI = "<UNKNOWN>";
    if (Queue != 0)
       CurrentURI = Queue->Uri;
 {
    string CurrentURI = "<UNKNOWN>";
    if (Queue != 0)
       CurrentURI = Queue->Uri;

-   
+   if (UsedMirror.empty() == true)
+      fprintf(stdout, "%s\nURI: %s\nMessage: ",
+             header, CurrentURI.c_str());
+   else
+      fprintf(stdout, "%s\nURI: %s\nUsedMirror: %s\nMessage: ",
+             header, CurrentURI.c_str(), UsedMirror.c_str());
+   vfprintf(stdout,Format,args);
+   std::cout << "\n\n" << std::flush;
+}
+                                                                       /*}}}*/
+// AcqMethod::Log - Send a log message                                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqMethod::Log(const char *Format,...)
+{

    va_list args;
    va_start(args,Format);
    va_list args;
    va_start(args,Format);

-
-   // sprintf the description
-   char S[1024];
-   unsigned int Len = snprintf(S,sizeof(S)-4,"101 Log\nURI: %s\n"
-                              "Message: ",CurrentURI.c_str());
-
-   vsnprintf(S+Len,sizeof(S)-4-Len,Format,args);
-   strcat(S,"\n\n");
-   
-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
+   PrintStatus("101 Log", Format, args);
+   va_end(args);

 }
                                                                        /*}}}*/
 // AcqMethod::Status - Send a status message                           /*{{{*/
 }
                                                                        /*}}}*/
 // AcqMethod::Status - Send a status message                           /*{{{*/


@@ -401,26 +434,24 @@ void pkgAcqMethod::Log(const char *Format,...)
 /* */
 void pkgAcqMethod::Status(const char *Format,...)
 {
 /* */
 void pkgAcqMethod::Status(const char *Format,...)
 {

-   string CurrentURI = "<UNKNOWN>";
-   if (Queue != 0)
-      CurrentURI = Queue->Uri;
-   

    va_list args;
    va_start(args,Format);
    va_list args;
    va_start(args,Format);

-
-   // sprintf the description
-   char S[1024];
-   unsigned int Len = snprintf(S,sizeof(S)-4,"102 Status\nURI: %s\n"
-                              "Message: ",CurrentURI.c_str());
-
-   vsnprintf(S+Len,sizeof(S)-4-Len,Format,args);
-   strcat(S,"\n\n");
-   
-   if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S))
-      exit(100);
+   PrintStatus("102 Status", Format, args);
+   va_end(args);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-
+// AcqMethod::Redirect - Send a redirect message                       /*{{{*/
+// ---------------------------------------------------------------------
+/* This method sends the redirect message and dequeues the item as
+ * the worker will enqueue again later on to the right queue */
+void pkgAcqMethod::Redirect(const string &NewURI)
+{
+   std::cout << "103 Redirect\nURI: " << Queue->Uri << "\n"
+            << "New-URI: " << NewURI << "\n"
+            << "\n" << std::flush;
+   Dequeue();
+}
+                                                                        /*}}}*/

 // AcqMethod::FetchResult::FetchResult - Constructor                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // AcqMethod::FetchResult::FetchResult - Constructor                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -429,3 +460,22 @@ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0),
 {
 }
                                                                        /*}}}*/
 {
 }
                                                                        /*}}}*/

+// AcqMethod::FetchResult::TakeHashes - Load hashes                    /*{{{*/
+// ---------------------------------------------------------------------
+/* This hides the number of hashes we are supporting from the caller. 
+   It just deals with the hash class. */
+void pkgAcqMethod::FetchResult::TakeHashes(class Hashes &Hash)
+{
+   Hashes = Hash.GetHashStringList();
+}
+                                                                       /*}}}*/
+void pkgAcqMethod::Dequeue() {                                         /*{{{*/
+   FetchItem const * const Tmp = Queue;
+   Queue = Queue->Next;
+   if (Tmp == QueueBack)
+      QueueBack = Queue;
+   delete Tmp;
+}
+                                                                       /*}}}*/
+
+pkgAcqMethod::~pkgAcqMethod() {}