* doc/apt-cache.8.xml:

[apt.git] / methods / http.cc

diff --git a/methods/http.cc b/methods/http.cc
index b60cfeb9ed53fe3c374fe8e5808384ce5b6e2629..acf25a42a06b4eb11c222ea4e3d4fa1c99bc6fc0 100644 (file)
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -29,6 +29,7 @@
 
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire-method.h>
 
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire-method.h>

+#include <apt-pkg/configuration.h>

 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>


@@ -41,6 +42,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>

+#include <climits>

 #include <iostream>
 #include <map>
 
 #include <iostream>
 #include <map>
 


@@ -59,7 +61,7 @@ using namespace std;
 string HttpMethod::FailFile;
 int HttpMethod::FailFd = -1;
 time_t HttpMethod::FailTime = 0;
 string HttpMethod::FailFile;
 int HttpMethod::FailFd = -1;
 time_t HttpMethod::FailTime = 0;

-unsigned long PipelineDepth = 10;
+unsigned long PipelineDepth = 0;

 unsigned long TimeOut = 120;
 bool AllowRedirect = false;
 bool Debug = false;
 unsigned long TimeOut = 120;
 bool AllowRedirect = false;
 bool Debug = false;


@@ -288,6 +290,11 @@ void CircleBuf::Stats()
    clog << "Got " << InP << " in " << Diff << " at " << InP/Diff << endl;*/
 }
                                                                        /*}}}*/
    clog << "Got " << InP << " in " << Diff << " at " << InP/Diff << endl;*/
 }
                                                                        /*}}}*/

+CircleBuf::~CircleBuf()
+{
+   delete [] Buf;
+   delete Hash;
+}

 
 // ServerState::ServerState - Constructor                              /*{{{*/
 // ---------------------------------------------------------------------
 
 // ServerState::ServerState - Constructor                              /*{{{*/
 // ---------------------------------------------------------------------


@@ -528,10 +535,6 @@ bool ServerState::HeaderLine(string Line)
    if (Line.empty() == true)
       return true;
 
    if (Line.empty() == true)
       return true;
 

-   // The http server might be trying to do something evil.
-   if (Line.length() >= MAXLEN)
-      return _error->Error(_("Got a single header line over %u chars"),MAXLEN);
-

    string::size_type Pos = Line.find(' ');
    if (Pos == string::npos || Pos+1 > Line.length())
    {
    string::size_type Pos = Line.find(' ');
    if (Pos == string::npos || Pos+1 > Line.length())
    {


@@ -555,7 +558,7 @@ bool ServerState::HeaderLine(string Line)
       // Evil servers return no version
       if (Line[4] == '/')
       {
       // Evil servers return no version
       if (Line[4] == '/')
       {

-        int const elements = sscanf(Line.c_str(),"HTTP/%u.%u %u%[^\n]",&Major,&Minor,&Result,Code);
+        int const elements = sscanf(Line.c_str(),"HTTP/%3u.%3u %3u%359[^\n]",&Major,&Minor,&Result,Code);

         if (elements == 3)
         {
            Code[0] = '\0';
         if (elements == 3)
         {
            Code[0] = '\0';


@@ -569,7 +572,7 @@ bool ServerState::HeaderLine(string Line)
       {
         Major = 0;
         Minor = 9;
       {
         Major = 0;
         Minor = 9;

-        if (sscanf(Line.c_str(),"HTTP %u%[^\n]",&Result,Code) != 2)
+        if (sscanf(Line.c_str(),"HTTP %3u%359[^\n]",&Result,Code) != 2)

            return _error->Error(_("The HTTP server sent an invalid reply header"));
       }
 
            return _error->Error(_("The HTTP server sent an invalid reply header"));
       }
 


@@ -579,7 +582,7 @@ bool ServerState::HeaderLine(string Line)
         Persistent = false;
       else
       {
         Persistent = false;
       else
       {

-        if (Major == 1 && Minor <= 0)
+        if (Major == 1 && Minor == 0)

            Persistent = false;
         else
            Persistent = true;
            Persistent = false;
         else
            Persistent = true;


@@ -597,9 +600,10 @@ bool ServerState::HeaderLine(string Line)
       // The length is already set from the Content-Range header
       if (StartPos != 0)
         return true;
       // The length is already set from the Content-Range header
       if (StartPos != 0)
         return true;

-      
-      if (sscanf(Val.c_str(),"%llu",&Size) != 1)
-        return _error->Error(_("The HTTP server sent an invalid Content-Length header"));
+
+      Size = strtoull(Val.c_str(), NULL, 10);
+      if (Size >= std::numeric_limits<unsigned long long>::max())
+        return _error->Errno("HeaderLine", _("The HTTP server sent an invalid Content-Length header"));

       return true;
    }
 
       return true;
    }
 


@@ -710,7 +714,19 @@ void HttpMethod::SendReq(FetchItem *Itm,CircleBuf &Out)
       }
    }
 
       }
    }
 

-   
+   // If we ask for uncompressed files servers might respond with content-
+   // negotation which lets us end up with compressed files we do not support,
+   // see 657029, 657560 and co, so if we have no extension on the request
+   // ask for text only. As a sidenote: If there is nothing to negotate servers
+   // seem to be nice and ignore it.
+   if (_config->FindB("Acquire::http::SendAccept", true) == true)
+   {
+      size_t const filepos = Itm->Uri.find_last_of('/');
+      string const file = Itm->Uri.substr(filepos + 1);
+      if (flExtension(file) == file)
+        strcat(Buf,"Accept: text/*\r\n");
+   }
+

    string Req = Buf;
 
    // Check for a partial file
    string Req = Buf;
 
    // Check for a partial file


@@ -742,7 +758,7 @@ void HttpMethod::SendReq(FetchItem *Itm,CircleBuf &Out)
           Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n";
    }
    Req += "User-Agent: " + _config->Find("Acquire::http::User-Agent",
           Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n";
    }
    Req += "User-Agent: " + _config->Find("Acquire::http::User-Agent",

-               "Debian APT-HTTP/1.3 ("VERSION")") + "\r\n\r\n";
+               "Debian APT-HTTP/1.3 (" PACKAGE_VERSION ")") + "\r\n\r\n";

    
    if (Debug == true)
       cerr << Req << endl;
    
    if (Debug == true)
       cerr << Req << endl;


@@ -969,7 +985,10 @@ HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
       else
       {
          NextURI = DeQuoteString(Srv->Location);
       else
       {
          NextURI = DeQuoteString(Srv->Location);

-         return TRY_AGAIN_OR_REDIRECT;
+         URI tmpURI = NextURI;
+         // Do not allow a redirection to switch protocol
+         if (tmpURI.Access == "http")
+            return TRY_AGAIN_OR_REDIRECT;

       }
       /* else pass through for error message */
    }
       }
       /* else pass through for error message */
    }


@@ -1001,31 +1020,21 @@ HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
    FailFile.c_str();   // Make sure we dont do a malloc in the signal handler
    FailFd = File->Fd();
    FailTime = Srv->Date;
    FailFile.c_str();   // Make sure we dont do a malloc in the signal handler
    FailFd = File->Fd();
    FailTime = Srv->Date;

-      
-   // Set the expected size
-   if (Srv->StartPos >= 0)
-   {
-      Res.ResumePoint = Srv->StartPos;
-      if (ftruncate(File->Fd(),Srv->StartPos) < 0)
-        _error->Errno("ftruncate", _("Failed to truncate file"));
-   }
-      
-   // Set the start point
-   lseek(File->Fd(),0,SEEK_END);

 
    delete Srv->In.Hash;
    Srv->In.Hash = new Hashes;
 
    delete Srv->In.Hash;
    Srv->In.Hash = new Hashes;

-   
-   // Fill the Hash if the file is non-empty (resume)
-   if (Srv->StartPos > 0)
+
+   // Set the expected size and read file for the hashes
+   if (Srv->StartPos >= 0)

    {
    {

-      lseek(File->Fd(),0,SEEK_SET);
-      if (Srv->In.Hash->AddFD(File->Fd(),Srv->StartPos) == false)
+      Res.ResumePoint = Srv->StartPos;
+      File->Truncate(Srv->StartPos);
+
+      if (Srv->In.Hash->AddFD(*File,Srv->StartPos) == false)

       {
         _error->Errno("read",_("Problem hashing file"));
         return ERROR_NOT_FROM_SERVER;
       }
       {
         _error->Errno("read",_("Problem hashing file"));
         return ERROR_NOT_FROM_SERVER;
       }

-      lseek(File->Fd(),0,SEEK_END);

    }
    
    SetNonBlock(File->Fd(),true);
    }
    
    SetNonBlock(File->Fd(),true);


@@ -1321,7 +1330,7 @@ int HttpMethod::Loop()
                after the same URI is seen twice in a queue item. */
             StringVector &R = Redirected[Queue->DestFile];
             bool StopRedirects = false;
                after the same URI is seen twice in a queue item. */
             StringVector &R = Redirected[Queue->DestFile];
             bool StopRedirects = false;

-            if (R.size() == 0)
+            if (R.empty() == true)

                R.push_back(Queue->Uri);
             else if (R[0] == "STOP" || R.size() > 10)
                StopRedirects = true;
                R.push_back(Queue->Uri);
             else if (R[0] == "STOP" || R.size() > 10)
                StopRedirects = true;