[apt.git] / methods / https.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
/* ######################################################################

   HTTPS Acquire Method - This is the HTTPS aquire method for APT.
   
   It uses libcurl

   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include <apt-pkg/fileutl.h>
#include <apt-pkg/acquire-method.h>
#include <apt-pkg/error.h>
#include <apt-pkg/hashes.h>

#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 <iostream>
#include <apti18n.h>
#include <sstream>

#include "config.h"
#include "https.h"

									/*}}}*/
using namespace std;

size_t 
HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
   HttpsMethod *me = (HttpsMethod *)userp;

   if(me->File->Write(buffer, size*nmemb) != true)
      return false;

   return size*nmemb;
}

int 
HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow, 
			      double ultotal, double ulnow)
{
   HttpsMethod *me = (HttpsMethod *)clientp;
   if(dltotal > 0 && me->Res.Size == 0) {
      me->Res.Size = (unsigned long)dltotal;
      me->URIStart(me->Res);
   }
   return 0;
}

void HttpsMethod::SetupProxy()
{
   URI ServerName = Queue->Uri;

   // Determine the proxy setting
   string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
   if (!SpecificProxy.empty())
   {
	   if (SpecificProxy == "DIRECT")
		   Proxy = "";
	   else
		   Proxy = SpecificProxy;
   }
   else
   {
	   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)
   {
      if (CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
	 Proxy = "";
   }
   
   // Determine what host and port to use based on the proxy settings
   string Host;   
   if (Proxy.empty() == true || Proxy.Host.empty() == true)
   {
   }
   else
   {
      if (Proxy.Port != 0)
	 curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
      curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
   }
}


// HttpsMethod::Fetch - Fetch an item					/*{{{*/
// ---------------------------------------------------------------------
/* This adds an item to the pipeline. We keep the pipeline at a fixed
   depth. */
bool HttpsMethod::Fetch(FetchItem *Itm)
{
   stringstream ss;
   struct stat SBuf;
   struct curl_slist *headers=NULL;  
   char curl_errorstr[CURL_ERROR_SIZE];
   long curl_responsecode;
   URI Uri = Itm->Uri;
   string remotehost = Uri.Host;

   // TODO:
   //       - http::Pipeline-Depth
   //       - error checking/reporting
   //       - more debug options? (CURLOPT_DEBUGFUNCTION?)

   curl_easy_reset(curl);
   SetupProxy();

   // callbacks
   curl_easy_setopt(curl, CURLOPT_URL, Itm->Uri.c_str());
   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
   curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
   curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
   curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, this);
   curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
   curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
   curl_easy_setopt(curl, CURLOPT_FILETIME, true);
   curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);

   // SSL parameters are set by default to the common (non mirror-specific) value
   // if available (or a default one) and gets overload by mirror-specific ones.

   // File containing the list of trusted CA.
   string cainfo = _config->Find("Acquire::https::CaInfo","");
   string knob = "Acquire::https::"+remotehost+"::CaInfo";
   cainfo = _config->Find(knob.c_str(),cainfo.c_str());
   if(cainfo != "")
      curl_easy_setopt(curl, CURLOPT_CAINFO,cainfo.c_str());

   // Check server certificate against previous CA list ...
   bool peer_verify = _config->FindB("Acquire::https::Verify-Peer",true);
   knob = "Acquire::https::" + remotehost + "::Verify-Peer";
   peer_verify = _config->FindB(knob.c_str(), peer_verify);
   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);

   // ... and hostname against cert CN or subjectAltName
   int default_verify = 2;
   bool verify = _config->FindB("Acquire::https::Verify-Host",true);
   knob = "Acquire::https::"+remotehost+"::Verify-Host";
   verify = _config->FindB(knob.c_str(),verify);
   if (!verify)
      default_verify = 0;
   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);

   // For client authentication, certificate file ...
   string pem = _config->Find("Acquire::https::SslCert","");
   knob = "Acquire::https::"+remotehost+"::SslCert";
   pem = _config->Find(knob.c_str(),pem.c_str());
   if(pem != "")
      curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());

   // ... and associated key.
   string key = _config->Find("Acquire::https::SslKey","");
   knob = "Acquire::https::"+remotehost+"::SslKey";
   key = _config->Find(knob.c_str(),key.c_str());
   if(key != "")
      curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());

   // Allow forcing SSL version to SSLv3 or TLSv1 (SSLv2 is not
   // supported by GnuTLS).
   long final_version = CURL_SSLVERSION_DEFAULT;
   string sslversion = _config->Find("Acquire::https::SslForceVersion","");
   knob = "Acquire::https::"+remotehost+"::SslForceVersion";
   sslversion = _config->Find(knob.c_str(),sslversion.c_str());
   if(sslversion == "TLSv1")
     final_version = CURL_SSLVERSION_TLSv1;
   else if(sslversion == "SSLv3")
     final_version = CURL_SSLVERSION_SSLv3;
   curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);

   // cache-control
   if(_config->FindB("Acquire::http::No-Cache",false) == false)
   {
      // cache enabled
      if (_config->FindB("Acquire::http::No-Store",false) == true)
	 headers = curl_slist_append(headers,"Cache-Control: no-store");
      ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::http::Max-Age",0));
      headers = curl_slist_append(headers, ss.str().c_str());
   } else {
      // cache disabled by user
      headers = curl_slist_append(headers, "Cache-Control: no-cache");
      headers = curl_slist_append(headers, "Pragma: no-cache");
   }
   curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

   // speed limit
   int dlLimit = _config->FindI("Acquire::http::Dl-Limit",0)*1024;
   if (dlLimit > 0)
      curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);

   // set header
   curl_easy_setopt(curl, CURLOPT_USERAGENT,
	_config->Find("Acquire::https::User-Agent",
		_config->Find("Acquire::http::User-Agent",
			"Debian APT-CURL/1.0 ("VERSION")")));

   // set timeout
   int timeout = _config->FindI("Acquire::http::Timeout",120);
   curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);
   curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);

   // set redirect options and default to 10 redirects
   bool AllowRedirect = _config->FindI("Acquire::https::AllowRedirect", true);
   curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, AllowRedirect);
   curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 10);

   // debug
   if(_config->FindB("Debug::Acquire::https", false))
      curl_easy_setopt(curl, CURLOPT_VERBOSE, true);

   // error handling
   curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);

   // if we have the file send an if-range query with a range header
   if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
   {
      char Buf[1000];
      sprintf(Buf,"Range: bytes=%li-\r\nIf-Range: %s\r\n",
	      (long)SBuf.st_size - 1,
	      TimeRFC1123(SBuf.st_mtime).c_str());
      headers = curl_slist_append(headers, Buf);
   } 
   else if(Itm->LastModified > 0)
   {
      curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
      curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
   }

   // go for it - if the file exists, append on it
   File = new FileFd(Itm->DestFile, FileFd::WriteAny);
   if (File->Size() > 0)
      File->Seek(File->Size() - 1);
   
   // keep apt updated
   Res.Filename = Itm->DestFile;

   // get it!
   CURLcode success = curl_easy_perform(curl);
   curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);

   long curl_servdate;
   curl_easy_getinfo(curl, CURLINFO_FILETIME, &curl_servdate);

   // cleanup
   if(success != 0) 
   {
      _error->Error("%s", curl_errorstr);
      Fail();
      return true;
   }
   File->Close();

   // Timestamp
   struct utimbuf UBuf;
   if (curl_servdate != -1) {
       UBuf.actime = curl_servdate;
       UBuf.modtime = curl_servdate;
       utime(File->Name().c_str(),&UBuf);
   }

   // check the downloaded result
   struct stat Buf;
   if (stat(File->Name().c_str(),&Buf) == 0)
   {
      Res.Filename = File->Name();
      Res.LastModified = Buf.st_mtime;
      Res.IMSHit = false;
      if (curl_responsecode == 304)
      {
	 unlink(File->Name().c_str());
	 Res.IMSHit = true;
	 Res.LastModified = Itm->LastModified;
	 Res.Size = 0;
	 URIDone(Res);
	 return true;
      }
      Res.Size = Buf.st_size;
   }

   // take hashes
   Hashes Hash;
   FileFd Fd(Res.Filename, FileFd::ReadOnly);
   Hash.AddFD(Fd.Fd(), Fd.Size());
   Res.TakeHashes(Hash);
   
   // keep apt updated
   URIDone(Res);

   // cleanup
   Res.Size = 0;
   delete File;
   curl_slist_free_all(headers);

   return true;
};

int main()
{
   setlocale(LC_ALL, "");

   HttpsMethod Mth;
   curl_global_init(CURL_GLOBAL_SSL) ;

   return Mth.Run();
}
Commit	Line	Data
d546f98d MV	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	// $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
	4	/* ######################################################################
	5
ae58a985	6	HTTPS Acquire Method - This is the HTTPS aquire method for APT.
d546f98d MV	7
	8	It uses libcurl
	9
	10	##################################################################### */
	11	/}}}/
	12	// Include Files /{{{/
	13	#include <apt-pkg/fileutl.h>
	14	#include <apt-pkg/acquire-method.h>
	15	#include <apt-pkg/error.h>
	16	#include <apt-pkg/hashes.h>
	17
	18	#include <sys/stat.h>
	19	#include <sys/time.h>
	20	#include <utime.h>
	21	#include <unistd.h>
	22	#include <signal.h>
	23	#include <stdio.h>
	24	#include <errno.h>
	25	#include <string.h>
	26	#include <iostream>
	27	#include <apti18n.h>
	28	#include <sstream>
	29
	30	#include "config.h"
	31	#include "https.h"
	32
	33	/}}}/
	34	using namespace std;
	35
	36	size_t
	37	HttpsMethod::write_data(void buffer, size_t size, size_t nmemb, void userp)
	38	{
	39	HttpsMethod me = (HttpsMethod )userp;
	40
	41	if(me->File->Write(buffer, size*nmemb) != true)
	42	return false;
	43
	44	return size*nmemb;
	45	}
	46
	47	int
	48	HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow,
	49	double ultotal, double ulnow)
	50	{
	51	HttpsMethod me = (HttpsMethod )clientp;
	52	if(dltotal > 0 && me->Res.Size == 0) {
21fd1746	53	me->Res.Size = (unsigned long)dltotal;
d546f98d MV	54	me->URIStart(me->Res);
	55	}
	56	return 0;
	57	}
	58
21fd1746	59	void HttpsMethod::SetupProxy()
d546f98d MV	60	{
	61	URI ServerName = Queue->Uri;
	62
	63	// Determine the proxy setting
788a8f42 EL	64	string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
788a8f42 EL	65	if (!SpecificProxy.empty())
d546f98d	66	{
788a8f42 EL	67	if (SpecificProxy == "DIRECT")
	68	Proxy = "";
	69	else
	70	Proxy = SpecificProxy;
	71	}
	72	else
	73	{
	74	string DefProxy = _config->Find("Acquire::http::Proxy");
	75	if (!DefProxy.empty())
	76	{
	77	Proxy = DefProxy;
	78	}
	79	else
	80	{
	81	char* result = getenv("http_proxy");
	82	Proxy = result ? result : "";
	83	}
d546f98d MV	84	}
	85
	86	// Parse no_proxy, a , separated list of domains
	87	if (getenv("no_proxy") != 0)
	88	{
	89	if (CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
	90	Proxy = "";
	91	}
	92
	93	// Determine what host and port to use based on the proxy settings
d546f98d MV	94	string Host;
	95	if (Proxy.empty() == true \|\| Proxy.Host.empty() == true)
	96	{
	97	}
	98	else
	99	{
	100	if (Proxy.Port != 0)
	101	curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
	102	curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
	103	}
	104	}
	105
	106
	107	// HttpsMethod::Fetch - Fetch an item /{{{/
	108	// ---------------------------------------------------------------------
	109	/* This adds an item to the pipeline. We keep the pipeline at a fixed
	110	depth. */
	111	bool HttpsMethod::Fetch(FetchItem *Itm)
	112	{
	113	stringstream ss;
	114	struct stat SBuf;
	115	struct curl_slist *headers=NULL;
714ee06c	116	char curl_errorstr[CURL_ERROR_SIZE];
4c499611	117	long curl_responsecode;
c769cd6f MV	118	URI Uri = Itm->Uri;
c769cd6f MV	119	string remotehost = Uri.Host;
d546f98d MV	120
d546f98d MV	121	// TODO:
d546f98d MV	122	// - http::Pipeline-Depth
	123	// - error checking/reporting
	124	// - more debug options? (CURLOPT_DEBUGFUNCTION?)
	125
5820530d	126	curl_easy_reset(curl);
d546f98d MV	127	SetupProxy();
	128
	129	// callbacks
	130	curl_easy_setopt(curl, CURLOPT_URL, Itm->Uri.c_str());
	131	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
	132	curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
	133	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
	134	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, this);
	135	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
	136	curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
5820530d	137	curl_easy_setopt(curl, CURLOPT_FILETIME, true);
f465a80f	138	curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
d546f98d	139
c769cd6f MV	140	// SSL parameters are set by default to the common (non mirror-specific) value
	141	// if available (or a default one) and gets overload by mirror-specific ones.
	142
	143	// File containing the list of trusted CA.
	144	string cainfo = _config->Find("Acquire::https::CaInfo","");
	145	string knob = "Acquire::https::"+remotehost+"::CaInfo";
	146	cainfo = _config->Find(knob.c_str(),cainfo.c_str());
	147	if(cainfo != "")
	148	curl_easy_setopt(curl, CURLOPT_CAINFO,cainfo.c_str());
	149
	150	// Check server certificate against previous CA list ...
	151	bool peer_verify = _config->FindB("Acquire::https::Verify-Peer",true);
	152	knob = "Acquire::https::" + remotehost + "::Verify-Peer";
	153	peer_verify = _config->FindB(knob.c_str(), peer_verify);
714ee06c MV	154	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);
714ee06c MV	155
c769cd6f MV	156	// ... and hostname against cert CN or subjectAltName
	157	int default_verify = 2;
	158	bool verify = _config->FindB("Acquire::https::Verify-Host",true);
	159	knob = "Acquire::https::"+remotehost+"::Verify-Host";
	160	verify = _config->FindB(knob.c_str(),verify);
	161	if (!verify)
	162	default_verify = 0;
	163	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);
	164
	165	// For client authentication, certificate file ...
714ee06c	166	string pem = _config->Find("Acquire::https::SslCert","");
c769cd6f MV	167	knob = "Acquire::https::"+remotehost+"::SslCert";
c769cd6f MV	168	pem = _config->Find(knob.c_str(),pem.c_str());
714ee06c MV	169	if(pem != "")
714ee06c MV	170	curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
c769cd6f MV	171
	172	// ... and associated key.
	173	string key = _config->Find("Acquire::https::SslKey","");
	174	knob = "Acquire::https::"+remotehost+"::SslKey";
	175	key = _config->Find(knob.c_str(),key.c_str());
	176	if(key != "")
	177	curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
	178
	179	// Allow forcing SSL version to SSLv3 or TLSv1 (SSLv2 is not
	180	// supported by GnuTLS).
	181	long final_version = CURL_SSLVERSION_DEFAULT;
	182	string sslversion = _config->Find("Acquire::https::SslForceVersion","");
	183	knob = "Acquire::https::"+remotehost+"::SslForceVersion";
	184	sslversion = _config->Find(knob.c_str(),sslversion.c_str());
	185	if(sslversion == "TLSv1")
	186	final_version = CURL_SSLVERSION_TLSv1;
	187	else if(sslversion == "SSLv3")
	188	final_version = CURL_SSLVERSION_SSLv3;
	189	curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
d546f98d MV	190
	191	// cache-control
	192	if(_config->FindB("Acquire::http::No-Cache",false) == false)
	193	{
	194	// cache enabled
	195	if (_config->FindB("Acquire::http::No-Store",false) == true)
	196	headers = curl_slist_append(headers,"Cache-Control: no-store");
	197	ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::http::Max-Age",0));
	198	headers = curl_slist_append(headers, ss.str().c_str());
	199	} else {
	200	// cache disabled by user
	201	headers = curl_slist_append(headers, "Cache-Control: no-cache");
	202	headers = curl_slist_append(headers, "Pragma: no-cache");
	203	}
	204	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
	205
d546f98d MV	206	// speed limit
	207	int dlLimit = _config->FindI("Acquire::http::Dl-Limit",0)*1024;
	208	if (dlLimit > 0)
	209	curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);
	210
	211	// set header
4494239c DK	212	curl_easy_setopt(curl, CURLOPT_USERAGENT,
	213	_config->Find("Acquire::https::User-Agent",
	214	_config->Find("Acquire::http::User-Agent",
	215	"Debian APT-CURL/1.0 ("VERSION")")));
d546f98d	216
cc615257 OS	217	// set timeout
	218	int timeout = _config->FindI("Acquire::http::Timeout",120);
	219	curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);
	220	curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);
	221
668ce84d MV	222	// set redirect options and default to 10 redirects
	223	bool AllowRedirect = _config->FindI("Acquire::https::AllowRedirect", true);
	224	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, AllowRedirect);
	225	curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 10);
	226
d546f98d	227	// debug
714ee06c	228	if(_config->FindB("Debug::Acquire::https", false))
d546f98d MV	229	curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
d546f98d MV	230
714ee06c MV	231	// error handling
	232	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
	233
d6039f9e	234	// if we have the file send an if-range query with a range header
4c499611 MV	235	if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
	236	{
	237	char Buf[1000];
	238	sprintf(Buf,"Range: bytes=%li-\r\nIf-Range: %s\r\n",
	239	(long)SBuf.st_size - 1,
	240	TimeRFC1123(SBuf.st_mtime).c_str());
	241	headers = curl_slist_append(headers, Buf);
d6039f9e MV	242	}
	243	else if(Itm->LastModified > 0)
	244	{
	245	curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
	246	curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
4c499611	247	}
d546f98d MV	248
	249	// go for it - if the file exists, append on it
	250	File = new FileFd(Itm->DestFile, FileFd::WriteAny);
d6039f9e MV	251	if (File->Size() > 0)
d6039f9e MV	252	File->Seek(File->Size() - 1);
d546f98d MV	253
	254	// keep apt updated
	255	Res.Filename = Itm->DestFile;
	256
	257	// get it!
	258	CURLcode success = curl_easy_perform(curl);
4c499611	259	curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);
d546f98d	260
5820530d OS	261	long curl_servdate;
	262	curl_easy_getinfo(curl, CURLINFO_FILETIME, &curl_servdate);
	263
d546f98d	264	// cleanup
4c499611 MV	265	if(success != 0)
4c499611 MV	266	{
9b5d79ec	267	_error->Error("%s", curl_errorstr);
d546f98d MV	268	Fail();
	269	return true;
	270	}
4c499611	271	File->Close();
d546f98d	272
5820530d OS	273	// Timestamp
	274	struct utimbuf UBuf;
	275	if (curl_servdate != -1) {
	276	UBuf.actime = curl_servdate;
	277	UBuf.modtime = curl_servdate;
	278	utime(File->Name().c_str(),&UBuf);
	279	}
	280
d546f98d MV	281	// check the downloaded result
	282	struct stat Buf;
	283	if (stat(File->Name().c_str(),&Buf) == 0)
	284	{
d546f98d MV	285	Res.Filename = File->Name();
	286	Res.LastModified = Buf.st_mtime;
	287	Res.IMSHit = false;
4c499611	288	if (curl_responsecode == 304)
714ee06c	289	{
d6039f9e	290	unlink(File->Name().c_str());
d546f98d	291	Res.IMSHit = true;
714ee06c	292	Res.LastModified = Itm->LastModified;
d6039f9e MV	293	Res.Size = 0;
	294	URIDone(Res);
	295	return true;
714ee06c	296	}
d6039f9e	297	Res.Size = Buf.st_size;
d546f98d MV	298	}
	299
	300	// take hashes
	301	Hashes Hash;
	302	FileFd Fd(Res.Filename, FileFd::ReadOnly);
	303	Hash.AddFD(Fd.Fd(), Fd.Size());
	304	Res.TakeHashes(Hash);
	305
	306	// keep apt updated
	307	URIDone(Res);
	308
	309	// cleanup
d546f98d MV	310	Res.Size = 0;
	311	delete File;
	312	curl_slist_free_all(headers);
	313
	314	return true;
	315	};
	316
	317	int main()
	318	{
	319	setlocale(LC_ALL, "");
	320
	321	HttpsMethod Mth;
	322	curl_global_init(CURL_GLOBAL_SSL) ;
	323
	324	return Mth.Run();
	325	}
	326
	327