// $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
/* ######################################################################
- HTTP Acquire Method - This is the HTTP aquire method for APT.
+ HTTP Acquire Method - This is the HTTP acquire 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.
#include <apt-pkg/error.h>
#include <apt-pkg/hashes.h>
#include <apt-pkg/netrc.h>
+#include <apt-pkg/strutl.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <sys/select.h>
+#include <cstring>
#include <sys/stat.h>
#include <sys/time.h>
-#include <utime.h>
#include <unistd.h>
-#include <signal.h>
#include <stdio.h>
#include <errno.h>
-#include <string.h>
-#include <climits>
#include <iostream>
-#include <map>
-
-// Internet stuff
-#include <netdb.h>
+#include <sstream>
#include "config.h"
#include "connect.h"
-#include "rfc2553emu.h"
#include "http.h"
#include <apti18n.h>
unsigned long long CircleBuf::BwTickReadData=0;
struct timeval CircleBuf::BwReadTick={0,0};
const unsigned int CircleBuf::BW_HZ=10;
-
+
// CircleBuf::CircleBuf - Circular input buffer /*{{{*/
// ---------------------------------------------------------------------
/* */
-CircleBuf::CircleBuf(unsigned long long Size) : Size(Size), Hash(0)
+CircleBuf::CircleBuf(unsigned long long Size)
+ : Size(Size), Hash(0), TotalWriten(0)
{
Buf = new unsigned char[Size];
Reset();
InP = 0;
OutP = 0;
StrPos = 0;
+ TotalWriten = 0;
MaxGet = (unsigned long long)-1;
OutQueue = string();
if (Hash != 0)
{
delete Hash;
Hash = new Hashes;
- }
-};
+ }
+}
/*}}}*/
// CircleBuf::Read - Read from a FD into the circular buffer /*{{{*/
// ---------------------------------------------------------------------
is non-blocking.. */
bool CircleBuf::Read(int Fd)
{
- unsigned long long BwReadMax;
-
while (1)
{
// Woops, buffer is full
return true;
// what's left to read in this tick
- BwReadMax = CircleBuf::BwReadLimit/BW_HZ;
+ unsigned long long const BwReadMax = CircleBuf::BwReadLimit/BW_HZ;
if(CircleBuf::BwReadLimit) {
struct timeval now;
return false;
}
+
+ TotalWriten += Res;
if (Hash != 0)
Hash->Add(Buf + (OutP%Size),Res);
return Out.Read(Data);
}
/*}}}*/
-bool HttpServerState::IsOpen() /*{{{*/
+APT_PURE bool HttpServerState::IsOpen() /*{{{*/
{
return (ServerFd != -1);
}
In.Hash = new Hashes;
// Set the expected size and read file for the hashes
- if (StartPos >= 0)
- {
- File.Truncate(StartPos);
-
- return In.Hash->AddFD(File, StartPos);
- }
- return true;
+ File.Truncate(StartPos);
+ return In.Hash->AddFD(File, StartPos);
}
/*}}}*/
-Hashes * HttpServerState::GetHashes() /*{{{*/
+APT_PURE Hashes * HttpServerState::GetHashes() /*{{{*/
{
return In.Hash;
}
return _error->Errno("write",_("Error writing to output file"));
}
+ if (ExpectedSize > 0 && In.TotalWriten > ExpectedSize)
+ return _error->Error("Writing more data than expected (%llu > %llu)",
+ In.TotalWriten, ExpectedSize);
+
// Handle commands from APT
if (FD_ISSET(STDIN_FILENO,&rfds))
{
URI Uri = Itm->Uri;
// The HTTP server expects a hostname with a trailing :port
- char Buf[1000];
+ std::stringstream Req;
string ProperHost;
if (Uri.Host.find(':') != string::npos)
ProperHost = '[' + Uri.Host + ']';
else
ProperHost = Uri.Host;
- if (Uri.Port != 0)
- {
- sprintf(Buf,":%u",Uri.Port);
- ProperHost += Buf;
- }
-
- // Just in case.
- if (Itm->Uri.length() >= sizeof(Buf))
- abort();
/* RFC 2616 ยง5.1.2 requires absolute URIs for requests to proxies,
but while its a must for all servers to accept absolute URIs,
in 1.1, can cause problems with proxies, and we are an HTTP/1.1
client anyway.
C.f. https://tools.ietf.org/wg/httpbis/trac/ticket/158 */
- sprintf(Buf,"GET %s HTTP/1.1\r\nHost: %s\r\n",
- requesturi.c_str(),ProperHost.c_str());
+ Req << "GET " << requesturi << " HTTP/1.1\r\n";
+ if (Uri.Port != 0)
+ Req << "Host: " << ProperHost << ":" << Uri.Port << "\r\n";
+ else
+ Req << "Host: " << ProperHost << "\r\n";
// generate a cache control header (if needed)
- if (_config->FindB("Acquire::http::No-Cache",false) == true)
- {
- strcat(Buf,"Cache-Control: no-cache\r\nPragma: no-cache\r\n");
- }
- else
- {
- if (Itm->IndexFile == true)
- {
- sprintf(Buf+strlen(Buf),"Cache-Control: max-age=%u\r\n",
- _config->FindI("Acquire::http::Max-Age",0));
- }
- else
- {
- if (_config->FindB("Acquire::http::No-Store",false) == true)
- strcat(Buf,"Cache-Control: no-store\r\n");
- }
- }
+ if (_config->FindB("Acquire::http::No-Cache",false) == true)
+ Req << "Cache-Control: no-cache\r\n"
+ << "Pragma: no-cache\r\n";
+ else if (Itm->IndexFile == true)
+ Req << "Cache-Control: max-age=" << _config->FindI("Acquire::http::Max-Age",0) << "\r\n";
+ else if (_config->FindB("Acquire::http::No-Store",false) == true)
+ Req << "Cache-Control: no-store\r\n";
// If we ask for uncompressed files servers might respond with content-
- // negotation which lets us end up with compressed files we do not support,
+ // negotiation 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.
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");
+ Req << "Accept: text/*\r\n";
}
- string Req = Buf;
-
- // Check for a partial file
+ // Check for a partial file and send if-queries accordingly
struct stat SBuf;
if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
- {
- // In this case we send an if-range query with a range header
- sprintf(Buf,"Range: bytes=%lli-\r\nIf-Range: %s\r\n",(long long)SBuf.st_size,
- TimeRFC1123(SBuf.st_mtime).c_str());
- Req += Buf;
- }
- else
- {
- if (Itm->LastModified != 0)
- {
- sprintf(Buf,"If-Modified-Since: %s\r\n",TimeRFC1123(Itm->LastModified).c_str());
- Req += Buf;
- }
- }
+ Req << "Range: bytes=" << SBuf.st_size << "-\r\n"
+ << "If-Range: " << TimeRFC1123(SBuf.st_mtime) << "\r\n";
+ else if (Itm->LastModified != 0)
+ Req << "If-Modified-Since: " << TimeRFC1123(Itm->LastModified).c_str() << "\r\n";
if (Server->Proxy.User.empty() == false || Server->Proxy.Password.empty() == false)
- Req += string("Proxy-Authorization: Basic ") +
- Base64Encode(Server->Proxy.User + ":" + Server->Proxy.Password) + "\r\n";
+ Req << "Proxy-Authorization: Basic "
+ << Base64Encode(Server->Proxy.User + ":" + Server->Proxy.Password) << "\r\n";
maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));
if (Uri.User.empty() == false || Uri.Password.empty() == false)
- {
- Req += string("Authorization: Basic ") +
- Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n";
- }
- Req += "User-Agent: " + _config->Find("Acquire::http::User-Agent",
- "Debian APT-HTTP/1.3 (" PACKAGE_VERSION ")") + "\r\n\r\n";
-
+ Req << "Authorization: Basic "
+ << Base64Encode(Uri.User + ":" + Uri.Password) << "\r\n";
+
+ Req << "User-Agent: " << _config->Find("Acquire::http::User-Agent",
+ "Debian APT-HTTP/1.3 (" PACKAGE_VERSION ")") << "\r\n";
+
+ Req << "\r\n";
+
if (Debug == true)
cerr << Req << endl;
- Server->WriteResponse(Req);
+ Server->WriteResponse(Req.str());
}
/*}}}*/
// HttpMethod::Configuration - Handle a configuration message /*{{{*/