X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/72b2accb108e3d3ec8113ce2d183638c719a5d0d..771ad846826482b925830b1afd562d0e9372fea5:/methods/http.cc

diff --git a/methods/http.cc b/methods/http.cc
index b8ed43cd2..d2e03cfbc 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -42,6 +42,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
+#include <climits>
 #include <iostream>
 #include <map>
 
@@ -534,10 +535,6 @@ bool ServerState::HeaderLine(string Line)
    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())
    {
@@ -561,7 +558,7 @@ bool ServerState::HeaderLine(string Line)
       // 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';
@@ -575,7 +572,7 @@ bool ServerState::HeaderLine(string Line)
       {
 	 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"));
       }
 
@@ -585,7 +582,7 @@ bool ServerState::HeaderLine(string Line)
 	 Persistent = false;
       else
       {
-	 if (Major == 1 && Minor <= 0)
+	 if (Major == 1 && Minor == 0)
 	    Persistent = false;
 	 else
 	    Persistent = true;
@@ -603,9 +600,10 @@ bool ServerState::HeaderLine(string Line)
       // 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 == ULLONG_MAX)
+	 return _error->Errno("HeaderLine", _("The HTTP server sent an invalid Content-Length header"));
       return true;
    }
 
@@ -716,7 +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
@@ -1317,7 +1327,7 @@ int HttpMethod::Loop()
                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;