* doc/apt.ent:

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

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 55d2b75c773f88f8146606a262e18e7c8bbbea6a..17d52cf518b6c4f81c42706e8d30873dd7854946 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 1.22 1999/11/16 03:16:34 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 


@@ -15,19 +15,22 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-method.h"
-#endif

 #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 <iostream>
+#include <stdarg.h>

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

+#include <sys/signal.h>

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

+using namespace std;
+

 // AcqMethod::pkgAcqMethod - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This constructs the initialization text */
 // AcqMethod::pkgAcqMethod - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This constructs the initialization text */


@@ -52,6 +55,9 @@ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
 
    if ((Flags & NeedsCleanup) == NeedsCleanup)
       strcat(End,"Needs-Cleanup: true\n");
 
    if ((Flags & NeedsCleanup) == NeedsCleanup)
       strcat(End,"Needs-Cleanup: true\n");

+
+   if ((Flags & Removable) == Removable)
+      strcat(End,"Removable: true\n");

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


@@ -81,7 +87,7 @@ 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 == '\r') 
         *I = ' ';


@@ -90,11 +96,11 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
    }
    
    char S[1024];
    }
    
    char S[1024];

+   char *End = S;

    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());
-
+      End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n"
+                     "Message: %s %s\n",Queue->Uri.c_str(), Err.c_str(), IP.c_str());

       // Dequeue
       FetchItem *Tmp = Queue;
       Queue = Queue->Next;
       // Dequeue
       FetchItem *Tmp = Queue;
       Queue = Queue->Next;


@@ -103,9 +109,14 @@ void pkgAcqMethod::Fail(string Err,bool Transient)
         QueueBack = Queue;
    }
    else
         QueueBack = Queue;
    }
    else

-      snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: <UNKNOWN>\n"
-              "Message: %s\n",Err.c_str());
-      
+   {
+      End += snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: <UNKNOWN>\n"
+                     "Message: %s\n",Err.c_str());
+   }
+   if(FailReason.empty() == false)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"FailReason: %s\n",FailReason.c_str());
+   if (UsedMirror.empty() == false)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str());

    // Set the transient flag 
    if (Transient == true)
       strcat(S,"Transient-Failure: true\n\n");
    // Set the transient flag 
    if (Transient == true)
       strcat(S,"Transient-Failure: true\n\n");


@@ -168,7 +179,21 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
                      TimeRFC1123(Res.LastModified).c_str());
 
    if (Res.MD5Sum.empty() == false)
                      TimeRFC1123(Res.LastModified).c_str());
 
    if (Res.MD5Sum.empty() == false)

+   {

       End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());
       End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str());

+      End += snprintf(End,sizeof(S)-50 - (End - S),"MD5Sum-Hash: %s\n",Res.MD5Sum.c_str());
+   }
+   if (Res.SHA1Sum.empty() == false)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"SHA1-Hash: %s\n",Res.SHA1Sum.c_str());
+   if (Res.SHA256Sum.empty() == false)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"SHA256-Hash: %s\n",Res.SHA256Sum.c_str());
+   if (UsedMirror.empty() == false)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"UsedMirror: %s\n",UsedMirror.c_str());
+   if (Res.GPGVOutput.size() > 0)
+      End += snprintf(End,sizeof(S)-50 - (End - S),"GPGVOutput:\n");     
+   for (vector<string>::iterator I = Res.GPGVOutput.begin();
+      I != Res.GPGVOutput.end(); I++)
+      End += snprintf(End,sizeof(S)-50 - (End - S), " %s\n", (*I).c_str());

 
    if (Res.ResumePoint != 0)
       End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n",
 
    if (Res.ResumePoint != 0)
       End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n",


@@ -193,6 +218,12 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt)
       if (Alt->MD5Sum.empty() == false)
         End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n",
                         Alt->MD5Sum.c_str());
       if (Alt->MD5Sum.empty() == false)
         End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n",
                         Alt->MD5Sum.c_str());

+      if (Alt->SHA1Sum.empty() == false)
+        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA1-Hash: %s\n",
+                        Alt->SHA1Sum.c_str());
+      if (Alt->SHA256Sum.empty() == false)
+        End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-SHA256-Hash: %s\n",
+                        Alt->SHA256Sum.c_str());

       
       if (Alt->IMSHit == true)
         strcat(End,"Alt-IMS-Hit: true\n");
       
       if (Alt->IMSHit == true)
         strcat(End,"Alt-IMS-Hit: true\n");


@@ -256,7 +287,7 @@ 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);


@@ -271,10 +302,11 @@ 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)


@@ -282,11 +314,11 @@ bool pkgAcqMethod::Configuration(string Message)
       
       I += Length + 1;
       
       
       I += Length + 1;
       

-      for (; I < Message.end() && *I == ' '; I++);
+      for (; I < MsgEnd && *I == ' '; I++);

       const char *Equals = I;
       const char *Equals = I;

-      for (; Equals < Message.end() && *Equals != '='; Equals++);
+      for (; Equals < MsgEnd && *Equals != '='; Equals++);

       const char *End = Equals;
       const char *End = Equals;

-      for (; End < Message.end() && *End != '\n'; End++);
+      for (; End < MsgEnd && *End != '\n'; End++);

       if (End == Equals)
         return false;
       
       if (End == Equals)
         return false;
       


@@ -346,9 +378,10 @@ 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->Next = 0;
            
            // Append it to the list
            Tmp->Next = 0;
            
            // Append it to the list


@@ -419,7 +452,37 @@ void pkgAcqMethod::Status(const char *Format,...)
       exit(100);
 }
                                                                        /*}}}*/
       exit(100);
 }
                                                                        /*}}}*/

+// AcqMethod::Redirect - Send a redirect message                       /*{{{*/
+// ---------------------------------------------------------------------
+/* This method sends the redirect message and also manipulates the queue
+   to keep the pipeline synchronized. */
+void pkgAcqMethod::Redirect(const string &NewURI)
+{
+   string CurrentURI = "<UNKNOWN>";
+   if (Queue != 0)
+      CurrentURI = Queue->Uri;
+ 
+   char S[1024];
+   snprintf(S, sizeof(S)-50, "103 Redirect\nURI: %s\nNew-URI: %s\n\n",
+         CurrentURI.c_str(), NewURI.c_str());
+
+   if (write(STDOUT_FILENO,S,strlen(S)) != (ssize_t)strlen(S))
+      exit(100);
+
+   // Change the URI for the request.
+   Queue->Uri = NewURI;

 
 

+   /* To keep the pipeline synchronized, move the current request to
+      the end of the queue, past the end of the current pipeline. */
+   FetchItem *I;
+   for (I = Queue; I->Next != 0; I = I->Next) ;
+   I->Next = Queue;
+   Queue = Queue->Next;
+   I->Next->Next = 0;
+   if (QueueBack == 0)
+      QueueBack = I->Next;
+}
+                                                                        /*}}}*/

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


@@ -428,3 +491,14 @@ 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(Hashes &Hash)
+{
+   MD5Sum = Hash.MD5.Result();
+   SHA1Sum = Hash.SHA1.Result();
+   SHA256Sum = Hash.SHA256.Result();
+}
+                                                                       /*}}}*/