remove translatable marker from the "%4i %s\n" string in apt-cache.cc

[apt.git] / methods / http.cc

diff --git a/methods/http.cc b/methods/http.cc
index 1f3b038bc4a515391ff0feb8ac3ca326733cee1b..2dae87a02be878cb3da87c0c18336a8633b2c743 100644 (file)
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -3,7 +3,7 @@
 // $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
 /* ######################################################################
 
 // $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
 /* ######################################################################
 

-   HTTP Aquire Method - This is the HTTP aquire method for APT.
+   HTTP Acquire Method - This is the HTTP aquire method for APT.

    
    It uses HTTP/1.1 and many of the fancy options there-in, such as
    pipelining, range, if-range and so on. 
    
    It uses HTTP/1.1 and many of the fancy options there-in, such as
    pipelining, range, if-range and so on. 


@@ -29,6 +29,7 @@
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>

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

 
 #include <sys/stat.h>
 #include <sys/time.h>
 
 #include <sys/stat.h>
 #include <sys/time.h>


@@ -39,15 +40,17 @@
 #include <errno.h>
 #include <string.h>
 #include <iostream>
 #include <errno.h>
 #include <string.h>
 #include <iostream>

+#include <map>

 #include <apti18n.h>
 
 #include <apti18n.h>
 

+

 // Internet stuff
 #include <netdb.h>
 
 // Internet stuff
 #include <netdb.h>
 

+#include "config.h"

 #include "connect.h"
 #include "rfc2553emu.h"
 #include "http.h"
 #include "connect.h"
 #include "rfc2553emu.h"
 #include "http.h"

-

                                                                        /*}}}*/
 using namespace std;
 
                                                                        /*}}}*/
 using namespace std;
 


@@ -56,7 +59,9 @@ int HttpMethod::FailFd = -1;
 time_t HttpMethod::FailTime = 0;
 unsigned long PipelineDepth = 10;
 unsigned long TimeOut = 120;
 time_t HttpMethod::FailTime = 0;
 unsigned long PipelineDepth = 10;
 unsigned long TimeOut = 120;

+bool AllowRedirect = false;

 bool Debug = false;
 bool Debug = false;

+URI Proxy;

 
 unsigned long CircleBuf::BwReadLimit=0;
 unsigned long CircleBuf::BwTickReadData=0;
 
 unsigned long CircleBuf::BwReadLimit=0;
 unsigned long CircleBuf::BwTickReadData=0;


@@ -307,22 +312,27 @@ bool ServerState::Open()
    Persistent = true;
    
    // Determine the proxy setting
    Persistent = true;
    
    // Determine the proxy setting

-   if (getenv("http_proxy") == 0)
+   string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
+   if (!SpecificProxy.empty())

    {
    {

-      string DefProxy = _config->Find("Acquire::http::Proxy");
-      string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
-      if (SpecificProxy.empty() == false)
-      {
-        if (SpecificProxy == "DIRECT")
-           Proxy = "";
-        else
-           Proxy = SpecificProxy;
-      }   
-      else
-        Proxy = DefProxy;
+          if (SpecificProxy == "DIRECT")
+                  Proxy = "";
+          else
+                  Proxy = SpecificProxy;

    }
    else
    }
    else

-      Proxy = getenv("http_proxy");
+   {
+          string DefProxy = _config->Find("Acquire::http::Proxy");
+          if (!DefProxy.empty())
+          {
+                  Proxy = DefProxy;
+          }
+          else
+          {
+                  char* result = getenv("http_proxy");
+                  Proxy = result ? result : "";
+          }
+   }

    
    // Parse no_proxy, a , separated list of domains
    if (getenv("no_proxy") != 0)
    
    // Parse no_proxy, a , separated list of domains
    if (getenv("no_proxy") != 0)


@@ -366,8 +376,8 @@ bool ServerState::Close()
                                                                        /*}}}*/
 // ServerState::RunHeaders - Get the headers before the data           /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // ServerState::RunHeaders - Get the headers before the data           /*{{{*/
 // ---------------------------------------------------------------------

-/* Returns 0 if things are OK, 1 if an IO error occursed and 2 if a header
-   parse error occured */
+/* Returns 0 if things are OK, 1 if an IO error occurred and 2 if a header
+   parse error occurred */

 int ServerState::RunHeaders()
 {
    State = Header;
 int ServerState::RunHeaders()
 {
    State = Header;


@@ -543,7 +553,7 @@ bool ServerState::HeaderLine(string Line)
       // Evil servers return no version
       if (Line[4] == '/')
       {
       // Evil servers return no version
       if (Line[4] == '/')
       {

-        if (sscanf(Line.c_str(),"HTTP/%u.%u %u %[^\n]",&Major,&Minor,
+        if (sscanf(Line.c_str(),"HTTP/%u.%u %u%[^\n]",&Major,&Minor,

                    &Result,Code) != 4)
            return _error->Error(_("The HTTP server sent an invalid reply header"));
       }
                    &Result,Code) != 4)
            return _error->Error(_("The HTTP server sent an invalid reply header"));
       }


@@ -551,7 +561,7 @@ 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 %u%[^\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"));
       }
 


@@ -626,6 +636,12 @@ bool ServerState::HeaderLine(string Line)
       return true;
    }
 
       return true;
    }
 

+   if (stringcasecmp(Tag,"Location:") == 0)
+   {
+      Location = Val;
+      return true;
+   }
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -709,11 +725,14 @@ void HttpMethod::SendReq(FetchItem *Itm,CircleBuf &Out)
       Req += string("Proxy-Authorization: Basic ") + 
           Base64Encode(Proxy.User + ":" + Proxy.Password) + "\r\n";
 
       Req += string("Proxy-Authorization: Basic ") + 
           Base64Encode(Proxy.User + ":" + Proxy.Password) + "\r\n";
 

+   maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));

    if (Uri.User.empty() == false || Uri.Password.empty() == false)
    if (Uri.User.empty() == false || Uri.Password.empty() == false)

+   {

       Req += string("Authorization: Basic ") + 
           Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n";
       Req += string("Authorization: Basic ") + 
           Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n";

-   
-   Req += "User-Agent: Debian APT-HTTP/1.3\r\n\r\n";
+   }
+   Req += "User-Agent: " + _config->Find("Acquire::http::User-Agent",
+               "Debian APT-HTTP/1.3 ("VERSION")") + "\r\n\r\n";

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


@@ -898,7 +917,9 @@ bool HttpMethod::ServerDie(ServerState *Srv)
      1 - IMS hit
      3 - Unrecoverable error 
      4 - Error with error content page
      1 - IMS hit
      3 - Unrecoverable error 
      4 - Error with error content page

-     5 - Unrecoverable non-server error (close the connection) */
+     5 - Unrecoverable non-server error (close the connection) 
+     6 - Try again with a new or changed URI
+ */

 int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
 {
    // Not Modified
 int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
 {
    // Not Modified


@@ -910,6 +931,27 @@ int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
       return 1;
    }
    
       return 1;
    }
    

+   /* Redirect
+    *
+    * Note that it is only OK for us to treat all redirection the same
+    * because we *always* use GET, not other HTTP methods.  There are
+    * three redirection codes for which it is not appropriate that we
+    * redirect.  Pass on those codes so the error handling kicks in.
+    */
+   if (AllowRedirect
+       && (Srv->Result > 300 && Srv->Result < 400)
+       && (Srv->Result != 300       // Multiple Choices
+           && Srv->Result != 304    // Not Modified
+           && Srv->Result != 306))  // (Not part of HTTP/1.1, reserved)
+   {
+      if (!Srv->Location.empty())
+      {
+         NextURI = Srv->Location;
+         return 6;
+      }
+      /* else pass through for error message */
+   }
+ 

    /* We have a reply we dont handle. This should indicate a perm server
       failure */
    if (Srv->Result < 200 || Srv->Result >= 300)
    /* We have a reply we dont handle. This should indicate a perm server
       failure */
    if (Srv->Result < 200 || Srv->Result >= 300)


@@ -939,7 +981,8 @@ int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
    if (Srv->StartPos >= 0)
    {
       Res.ResumePoint = Srv->StartPos;
    if (Srv->StartPos >= 0)
    {
       Res.ResumePoint = Srv->StartPos;

-      ftruncate(File->Fd(),Srv->StartPos);
+      if (ftruncate(File->Fd(),Srv->StartPos) < 0)
+        _error->Errno("ftruncate", _("Failed to truncate file"));

    }
       
    // Set the start point
    }
       
    // Set the start point


@@ -994,7 +1037,6 @@ bool HttpMethod::Fetch(FetchItem *)
 
    // Queue the requests
    int Depth = -1;
 
    // Queue the requests
    int Depth = -1;

-   bool Tail = false;

    for (FetchItem *I = Queue; I != 0 && Depth < (signed)PipelineDepth; 
        I = I->Next, Depth++)
    {
    for (FetchItem *I = Queue; I != 0 && Depth < (signed)PipelineDepth; 
        I = I->Next, Depth++)
    {


@@ -1006,8 +1048,6 @@ bool HttpMethod::Fetch(FetchItem *)
       if (Server->Comp(I->Uri) == false)
         break;
       if (QueueBack == I)
       if (Server->Comp(I->Uri) == false)
         break;
       if (QueueBack == I)

-        Tail = true;
-      if (Tail == true)

       {
         QueueBack = I->Next;
         SendReq(I,Server->Out);
       {
         QueueBack = I->Next;
         SendReq(I,Server->Out);


@@ -1026,6 +1066,7 @@ bool HttpMethod::Configuration(string Message)
    if (pkgAcqMethod::Configuration(Message) == false)
       return false;
    
    if (pkgAcqMethod::Configuration(Message) == false)
       return false;
    

+   AllowRedirect = _config->FindB("Acquire::http::AllowRedirect",true);

    TimeOut = _config->FindI("Acquire::http::Timeout",TimeOut);
    PipelineDepth = _config->FindI("Acquire::http::Pipeline-Depth",
                                  PipelineDepth);
    TimeOut = _config->FindI("Acquire::http::Timeout",TimeOut);
    PipelineDepth = _config->FindI("Acquire::http::Pipeline-Depth",
                                  PipelineDepth);


@@ -1039,6 +1080,10 @@ bool HttpMethod::Configuration(string Message)
 /* */
 int HttpMethod::Loop()
 {
 /* */
 int HttpMethod::Loop()
 {

+   typedef vector<string> StringVector;
+   typedef vector<string>::iterator StringVectorIterator;
+   map<string, StringVector> Redirected;
+

    signal(SIGTERM,SigTerm);
    signal(SIGINT,SigTerm);
    
    signal(SIGTERM,SigTerm);
    signal(SIGINT,SigTerm);
    


@@ -1069,7 +1114,6 @@ int HttpMethod::Loop()
         delete Server;
         Server = new ServerState(Queue->Uri,this);
       }
         delete Server;
         Server = new ServerState(Queue->Uri,this);
       }

-      

       /* If the server has explicitly said this is the last connection
          then we pre-emptively shut down the pipeline and tear down 
         the connection. This will speed up HTTP/1.0 servers a tad
       /* If the server has explicitly said this is the last connection
          then we pre-emptively shut down the pipeline and tear down 
         the connection. This will speed up HTTP/1.0 servers a tad


@@ -1166,8 +1210,24 @@ int HttpMethod::Loop()
               URIDone(Res);
            }
            else
               URIDone(Res);
            }
            else

-              Fail(true);
-           
+           {
+              if (Server->ServerFd == -1)
+              {
+                 FailCounter++;
+                 _error->Discard();
+                 Server->Close();
+                 
+                 if (FailCounter >= 2)
+                 {
+                    Fail(_("Connection failed"),true);
+                    FailCounter = 0;
+                 }
+                 
+                 QueueBack = Queue;
+              }
+              else
+                 Fail(true);
+           }

            break;
         }
         
            break;
         }
         


@@ -1210,6 +1270,46 @@ int HttpMethod::Loop()
            break;
         }
         
            break;
         }
         

+         // Try again with a new URL
+         case 6:
+         {
+            // Clear rest of response if there is content
+            if (Server->HaveContent)
+            {
+               File = new FileFd("/dev/null",FileFd::WriteExists);
+               Server->RunData();
+               delete File;
+               File = 0;
+            }
+
+            /* Detect redirect loops.  No more redirects are allowed
+               after the same URI is seen twice in a queue item. */
+            StringVector &R = Redirected[Queue->DestFile];
+            bool StopRedirects = false;
+            if (R.size() == 0)
+               R.push_back(Queue->Uri);
+            else if (R[0] == "STOP" || R.size() > 10)
+               StopRedirects = true;
+            else
+            {
+               for (StringVectorIterator I = R.begin(); I != R.end(); I++)
+                  if (Queue->Uri == *I)
+                  {
+                     R[0] = "STOP";
+                     break;
+                  }
+ 
+               R.push_back(Queue->Uri);
+            }
+ 
+            if (StopRedirects == false)
+               Redirect(NextURI);
+            else
+               Fail();
+ 
+            break;
+         }
+

         default:
         Fail(_("Internal error"));
         break;
         default:
         Fail(_("Internal error"));
         break;


@@ -1225,9 +1325,11 @@ int HttpMethod::Loop()
 int main()
 {
    setlocale(LC_ALL, "");
 int main()
 {
    setlocale(LC_ALL, "");

+   // ignore SIGPIPE, this can happen on write() if the socket
+   // closes the connection (this is dealt with via ServerDie())
+   signal(SIGPIPE, SIG_IGN);

 
    HttpMethod Mth;
 
    HttpMethod Mth;

-   

    return Mth.Loop();
 }
 
    return Mth.Loop();
 }