[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 <config.h>

#include <apt-pkg/fileutl.h>
#include <apt-pkg/acquire-method.h>
#include <apt-pkg/error.h>
#include <apt-pkg/hashes.h>
#include <apt-pkg/netrc.h>
#include <apt-pkg/configuration.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 <sstream>

#include "config.h"
#include "https.h"
#include <apti18n.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 long)dltotal;
      me->URIStart(me->Res);
   }
   return 0;
}

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

   // Determine the proxy setting - try https first, fallback to http and use env at last
   string UseProxy = _config->Find("Acquire::https::Proxy::" + ServerName.Host,
				   _config->Find("Acquire::http::Proxy::" + ServerName.Host).c_str());

   if (UseProxy.empty() == true)
      UseProxy = _config->Find("Acquire::https::Proxy", _config->Find("Acquire::http::Proxy").c_str());

   // User want to use NO proxy, so nothing to setup
   if (UseProxy == "DIRECT")
      return;

   if (UseProxy.empty() == false) 
   {
      // Parse no_proxy, a comma (,) separated list of domains we don't want to use
      // a proxy for so we stop right here if it is in the list
      if (getenv("no_proxy") != 0 && CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
	 return;
   } else {
      const char* result = getenv("http_proxy");
      UseProxy = result == NULL ? "" : result;
   }

   // Determine what host and port to use based on the proxy settings
   if (UseProxy.empty() == false) 
   {
      Proxy = UseProxy;
      if (Proxy.Port != 1)
	 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();

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

   // callbacks
   curl_easy_setopt(curl, CURLOPT_URL, static_cast<string>(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);

   // 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.empty() == false)
      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
   bool verify = _config->FindB("Acquire::https::Verify-Host",true);
   knob = "Acquire::https::"+remotehost+"::Verify-Host";
   verify = _config->FindB(knob.c_str(),verify);
   int const default_verify = (verify == true) ? 2 : 0;
   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, default_verify);

   // Also enforce issuer of server certificate using its cert
   string issuercert = _config->Find("Acquire::https::IssuerCert","");
   knob = "Acquire::https::"+remotehost+"::IssuerCert";
   issuercert = _config->Find(knob.c_str(),issuercert.c_str());
   if(issuercert.empty() == false)
      curl_easy_setopt(curl, CURLOPT_ISSUERCERT,issuercert.c_str());

   // 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.empty() == false)
      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.empty() == false)
      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);

   // CRL file
   string crlfile = _config->Find("Acquire::https::CrlFile","");
   knob = "Acquire::https::"+remotehost+"::CrlFile";
   crlfile = _config->Find(knob.c_str(),crlfile.c_str());
   if(crlfile.empty() == false)
      curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());

   // cache-control
   if(_config->FindB("Acquire::https::No-Cache",
	_config->FindB("Acquire::http::No-Cache",false)) == false)
   {
      // cache enabled
      if (_config->FindB("Acquire::https::No-Store",
		_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::https::Max-Age",
		_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 const dlLimit = _config->FindI("Acquire::https::Dl-Limit",
		_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")").c_str()).c_str());

   // set timeout
   int const timeout = _config->FindI("Acquire::https::Timeout",
		_config->FindI("Acquire::http::Timeout",120));
   curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);
   //set really low lowspeed timeout (see #497983)
   curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, DL_MIN_SPEED);
   curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, timeout);

   // set redirect options and default to 10 redirects
   bool const AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
	_config->FindB("Acquire::http::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);

   File->Close();

   // cleanup
   if(success != 0) 
   {
      _error->Error("%s", curl_errorstr);
      // unlink, no need keep 401/404 page content in partial/
      unlink(File->Name().c_str());
      Fail();
      return true;
   }

   // 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
b9e9a44b	1	//-- mode: cpp; mode: fold --
d546f98d MV	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 /{{{/
ea542140 DK	13	#include <config.h>
ea542140 DK	14
d546f98d MV	15	#include <apt-pkg/fileutl.h>
	16	#include <apt-pkg/acquire-method.h>
	17	#include <apt-pkg/error.h>
	18	#include <apt-pkg/hashes.h>
592b7800	19	#include <apt-pkg/netrc.h>
472ff00e	20	#include <apt-pkg/configuration.h>
d546f98d MV	21
	22	#include <sys/stat.h>
	23	#include <sys/time.h>
	24	#include <utime.h>
	25	#include <unistd.h>
	26	#include <signal.h>
	27	#include <stdio.h>
	28	#include <errno.h>
	29	#include <string.h>
	30	#include <iostream>
d546f98d MV	31	#include <sstream>
	32
	33	#include "config.h"
	34	#include "https.h"
ea542140	35	#include <apti18n.h>
d546f98d MV	36	/}}}/
	37	using namespace std;
	38
	39	size_t
	40	HttpsMethod::write_data(void buffer, size_t size, size_t nmemb, void userp)
	41	{
	42	HttpsMethod me = (HttpsMethod )userp;
	43
	44	if(me->File->Write(buffer, size*nmemb) != true)
	45	return false;
	46
	47	return size*nmemb;
	48	}
	49
	50	int
	51	HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow,
	52	double ultotal, double ulnow)
	53	{
	54	HttpsMethod me = (HttpsMethod )clientp;
	55	if(dltotal > 0 && me->Res.Size == 0) {
650faab0	56	me->Res.Size = (unsigned long long)dltotal;
d546f98d MV	57	me->URIStart(me->Res);
	58	}
	59	return 0;
	60	}
	61
4407a02f	62	void HttpsMethod::SetupProxy() /{{{/
d546f98d MV	63	{
	64	URI ServerName = Queue->Uri;
	65
4407a02f MV	66	// Determine the proxy setting - try https first, fallback to http and use env at last
	67	string UseProxy = _config->Find("Acquire::https::Proxy::" + ServerName.Host,
	68	_config->Find("Acquire::http::Proxy::" + ServerName.Host).c_str());
	69
	70	if (UseProxy.empty() == true)
	71	UseProxy = _config->Find("Acquire::https::Proxy", _config->Find("Acquire::http::Proxy").c_str());
	72
	73	// User want to use NO proxy, so nothing to setup
	74	if (UseProxy == "DIRECT")
	75	return;
	76
	77	if (UseProxy.empty() == false)
d546f98d	78	{
4407a02f MV	79	// Parse no_proxy, a comma (,) separated list of domains we don't want to use
	80	// a proxy for so we stop right here if it is in the list
	81	if (getenv("no_proxy") != 0 && CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
	82	return;
	83	} else {
	84	const char* result = getenv("http_proxy");
	85	UseProxy = result == NULL ? "" : result;
d546f98d	86	}
4407a02f	87
d546f98d	88	// Determine what host and port to use based on the proxy settings
4407a02f	89	if (UseProxy.empty() == false)
d546f98d	90	{
4407a02f MV	91	Proxy = UseProxy;
4407a02f MV	92	if (Proxy.Port != 1)
d546f98d MV	93	curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
	94	curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
	95	}
b9e9a44b	96	} /}}}/
d546f98d MV	97	// HttpsMethod::Fetch - Fetch an item /{{{/
	98	// ---------------------------------------------------------------------
	99	/* This adds an item to the pipeline. We keep the pipeline at a fixed
	100	depth. */
	101	bool HttpsMethod::Fetch(FetchItem *Itm)
	102	{
	103	stringstream ss;
	104	struct stat SBuf;
	105	struct curl_slist *headers=NULL;
714ee06c	106	char curl_errorstr[CURL_ERROR_SIZE];
4c499611	107	long curl_responsecode;
c769cd6f MV	108	URI Uri = Itm->Uri;
c769cd6f MV	109	string remotehost = Uri.Host;
d546f98d MV	110
d546f98d MV	111	// TODO:
d546f98d MV	112	// - http::Pipeline-Depth
	113	// - error checking/reporting
	114	// - more debug options? (CURLOPT_DEBUGFUNCTION?)
	115
5820530d	116	curl_easy_reset(curl);
d546f98d MV	117	SetupProxy();
d546f98d MV	118
1de1f703	119	maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));
592b7800	120
d546f98d	121	// callbacks
01fc8930	122	curl_easy_setopt(curl, CURLOPT_URL, static_cast<string>(Uri).c_str());
d546f98d MV	123	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
	124	curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
	125	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
	126	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, this);
	127	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
	128	curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
5820530d	129	curl_easy_setopt(curl, CURLOPT_FILETIME, true);
d546f98d	130
c769cd6f MV	131	// SSL parameters are set by default to the common (non mirror-specific) value
	132	// if available (or a default one) and gets overload by mirror-specific ones.
	133
	134	// File containing the list of trusted CA.
	135	string cainfo = _config->Find("Acquire::https::CaInfo","");
	136	string knob = "Acquire::https::"+remotehost+"::CaInfo";
	137	cainfo = _config->Find(knob.c_str(),cainfo.c_str());
46e39c8e	138	if(cainfo.empty() == false)
c769cd6f MV	139	curl_easy_setopt(curl, CURLOPT_CAINFO,cainfo.c_str());
	140
	141	// Check server certificate against previous CA list ...
	142	bool peer_verify = _config->FindB("Acquire::https::Verify-Peer",true);
	143	knob = "Acquire::https::" + remotehost + "::Verify-Peer";
	144	peer_verify = _config->FindB(knob.c_str(), peer_verify);
714ee06c MV	145	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);
714ee06c MV	146
c769cd6f	147	// ... and hostname against cert CN or subjectAltName
c769cd6f MV	148	bool verify = _config->FindB("Acquire::https::Verify-Host",true);
	149	knob = "Acquire::https::"+remotehost+"::Verify-Host";
	150	verify = _config->FindB(knob.c_str(),verify);
52b22cea DK	151	int const default_verify = (verify == true) ? 2 : 0;
52b22cea DK	152	curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, default_verify);
c769cd6f	153
46e39c8e MV	154	// Also enforce issuer of server certificate using its cert
	155	string issuercert = _config->Find("Acquire::https::IssuerCert","");
	156	knob = "Acquire::https::"+remotehost+"::IssuerCert";
	157	issuercert = _config->Find(knob.c_str(),issuercert.c_str());
	158	if(issuercert.empty() == false)
	159	curl_easy_setopt(curl, CURLOPT_ISSUERCERT,issuercert.c_str());
	160
c769cd6f	161	// For client authentication, certificate file ...
714ee06c	162	string pem = _config->Find("Acquire::https::SslCert","");
c769cd6f MV	163	knob = "Acquire::https::"+remotehost+"::SslCert";
c769cd6f MV	164	pem = _config->Find(knob.c_str(),pem.c_str());
46e39c8e	165	if(pem.empty() == false)
714ee06c	166	curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
c769cd6f MV	167
	168	// ... and associated key.
	169	string key = _config->Find("Acquire::https::SslKey","");
	170	knob = "Acquire::https::"+remotehost+"::SslKey";
	171	key = _config->Find(knob.c_str(),key.c_str());
46e39c8e	172	if(key.empty() == false)
c769cd6f MV	173	curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
	174
	175	// Allow forcing SSL version to SSLv3 or TLSv1 (SSLv2 is not
	176	// supported by GnuTLS).
	177	long final_version = CURL_SSLVERSION_DEFAULT;
	178	string sslversion = _config->Find("Acquire::https::SslForceVersion","");
	179	knob = "Acquire::https::"+remotehost+"::SslForceVersion";
	180	sslversion = _config->Find(knob.c_str(),sslversion.c_str());
	181	if(sslversion == "TLSv1")
	182	final_version = CURL_SSLVERSION_TLSv1;
	183	else if(sslversion == "SSLv3")
	184	final_version = CURL_SSLVERSION_SSLv3;
	185	curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
d546f98d	186
46e39c8e MV	187	// CRL file
	188	string crlfile = _config->Find("Acquire::https::CrlFile","");
	189	knob = "Acquire::https::"+remotehost+"::CrlFile";
	190	crlfile = _config->Find(knob.c_str(),crlfile.c_str());
	191	if(crlfile.empty() == false)
	192	curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());
	193
d546f98d	194	// cache-control
b9e9a44b DK	195	if(_config->FindB("Acquire::https::No-Cache",
b9e9a44b DK	196	_config->FindB("Acquire::http::No-Cache",false)) == false)
d546f98d MV	197	{
d546f98d MV	198	// cache enabled
b9e9a44b DK	199	if (_config->FindB("Acquire::https::No-Store",
b9e9a44b DK	200	_config->FindB("Acquire::http::No-Store",false)) == true)
d546f98d	201	headers = curl_slist_append(headers,"Cache-Control: no-store");
b9e9a44b DK	202	ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::https::Max-Age",
b9e9a44b DK	203	_config->FindI("Acquire::http::Max-Age",0)));
d546f98d MV	204	headers = curl_slist_append(headers, ss.str().c_str());
	205	} else {
	206	// cache disabled by user
	207	headers = curl_slist_append(headers, "Cache-Control: no-cache");
	208	headers = curl_slist_append(headers, "Pragma: no-cache");
	209	}
	210	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
	211
d546f98d	212	// speed limit
46e39c8e	213	int const dlLimit = _config->FindI("Acquire::https::Dl-Limit",
b9e9a44b	214	_config->FindI("Acquire::http::Dl-Limit",0))*1024;
d546f98d MV	215	if (dlLimit > 0)
	216	curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);
	217
	218	// set header
9f542bae DK	219	curl_easy_setopt(curl, CURLOPT_USERAGENT,
	220	_config->Find("Acquire::https::User-Agent",
	221	_config->Find("Acquire::http::User-Agent",
e4c2981b	222	"Debian APT-CURL/1.0 ("VERSION")").c_str()).c_str());
d546f98d	223
cc615257	224	// set timeout
46e39c8e	225	int const timeout = _config->FindI("Acquire::https::Timeout",
b9e9a44b	226	_config->FindI("Acquire::http::Timeout",120));
cc615257	227	curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);
43cf55db	228	//set really low lowspeed timeout (see #497983)
5085e660	229	curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, DL_MIN_SPEED);
43cf55db	230	curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, timeout);
cc615257	231
668ce84d	232	// set redirect options and default to 10 redirects
46e39c8e	233	bool const AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
b9e9a44b	234	_config->FindB("Acquire::http::AllowRedirect",true));
668ce84d MV	235	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, AllowRedirect);
	236	curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 10);
	237
d546f98d	238	// debug
714ee06c	239	if(_config->FindB("Debug::Acquire::https", false))
d546f98d MV	240	curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
d546f98d MV	241
714ee06c MV	242	// error handling
	243	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
	244
d6039f9e	245	// if we have the file send an if-range query with a range header
4c499611 MV	246	if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
	247	{
	248	char Buf[1000];
	249	sprintf(Buf,"Range: bytes=%li-\r\nIf-Range: %s\r\n",
	250	(long)SBuf.st_size - 1,
	251	TimeRFC1123(SBuf.st_mtime).c_str());
	252	headers = curl_slist_append(headers, Buf);
d6039f9e MV	253	}
	254	else if(Itm->LastModified > 0)
	255	{
	256	curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
	257	curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
4c499611	258	}
d546f98d MV	259
	260	// go for it - if the file exists, append on it
	261	File = new FileFd(Itm->DestFile, FileFd::WriteAny);
d6039f9e MV	262	if (File->Size() > 0)
d6039f9e MV	263	File->Seek(File->Size() - 1);
d546f98d MV	264
	265	// keep apt updated
	266	Res.Filename = Itm->DestFile;
	267
	268	// get it!
	269	CURLcode success = curl_easy_perform(curl);
4c499611	270	curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);
d546f98d	271
5820530d OS	272	long curl_servdate;
	273	curl_easy_getinfo(curl, CURLINFO_FILETIME, &curl_servdate);
	274
db1f1469 MV	275	File->Close();
db1f1469 MV	276
d546f98d	277	// cleanup
4c499611 MV	278	if(success != 0)
4c499611 MV	279	{
9b5d79ec	280	_error->Error("%s", curl_errorstr);
db1f1469 MV	281	// unlink, no need keep 401/404 page content in partial/
db1f1469 MV	282	unlink(File->Name().c_str());
d546f98d MV	283	Fail();
	284	return true;
	285	}
	286
5820530d OS	287	// Timestamp
	288	struct utimbuf UBuf;
	289	if (curl_servdate != -1) {
	290	UBuf.actime = curl_servdate;
	291	UBuf.modtime = curl_servdate;
	292	utime(File->Name().c_str(),&UBuf);
	293	}
	294
d546f98d MV	295	// check the downloaded result
	296	struct stat Buf;
	297	if (stat(File->Name().c_str(),&Buf) == 0)
	298	{
d546f98d MV	299	Res.Filename = File->Name();
	300	Res.LastModified = Buf.st_mtime;
	301	Res.IMSHit = false;
4c499611	302	if (curl_responsecode == 304)
714ee06c	303	{
d6039f9e	304	unlink(File->Name().c_str());
d546f98d	305	Res.IMSHit = true;
714ee06c	306	Res.LastModified = Itm->LastModified;
d6039f9e MV	307	Res.Size = 0;
	308	URIDone(Res);
	309	return true;
714ee06c	310	}
d6039f9e	311	Res.Size = Buf.st_size;
d546f98d MV	312	}
	313
	314	// take hashes
	315	Hashes Hash;
	316	FileFd Fd(Res.Filename, FileFd::ReadOnly);
	317	Hash.AddFD(Fd.Fd(), Fd.Size());
	318	Res.TakeHashes(Hash);
	319
	320	// keep apt updated
	321	URIDone(Res);
	322
	323	// cleanup
d546f98d MV	324	Res.Size = 0;
	325	delete File;
	326	curl_slist_free_all(headers);
	327
	328	return true;
	329	};
	330
	331	int main()
	332	{
	333	setlocale(LC_ALL, "");
	334
	335	HttpsMethod Mth;
	336	curl_global_init(CURL_GLOBAL_SSL) ;
	337
	338	return Mth.Run();
	339	}
	340
	341