--- /dev/null
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
+/* ######################################################################
+
+ HTTPS Aquire 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 = dltotal;
+ me->URIStart(me->Res);
+ }
+ return 0;
+}
+
+bool HttpsMethod::SetupProxy()
+{
+ URI ServerName = Queue->Uri;
+
+ // Determine the proxy setting
+ if (getenv("http_proxy") == 0)
+ {
+ 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;
+ }
+
+ // 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
+ int Port = 0;
+ 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];
+
+ // TODO:
+ // - http::Timeout
+ // - http::Pipeline-Depth
+ // - error checking/reporting
+ // - more debug options? (CURLOPT_DEBUGFUNCTION?)
+
+ 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);
+
+ // FIXME: https: offer various options of verification
+ bool peer_verify = _config->FindB("Acquire::https::Verify-Peer", false);
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);
+
+ // sslcert file
+ string pem = _config->Find("Acquire::https::SslCert","");
+ if(pem != "")
+ curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
+
+ // CA-Dir
+ string certdir = _config->Find("Acquire::https::CaPath","");
+ if(certdir != "")
+ curl_easy_setopt(curl, CURLOPT_CAPATH, certdir.c_str());
+
+ // Server-verify
+ int verify = _config->FindI("Acquire::https::Verify-Host",2);
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);
+
+ // 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);
+
+ // set time values
+ curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
+ curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
+
+ // 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,"Debian APT-CURL/1.0 ("VERSION")");
+
+ // 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);
+
+ // In this case we send an if-range query with a range header
+ if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
+ curl_easy_setopt(curl, CURLOPT_RESUME_FROM, (long)SBuf.st_size);
+
+ // go for it - if the file exists, append on it
+ File = new FileFd(Itm->DestFile, FileFd::WriteAny);
+ File->Seek(File->Size());
+
+ // keep apt updated
+ Res.Filename = Itm->DestFile;
+
+ // get it!
+ CURLcode success = curl_easy_perform(curl);
+
+
+ // cleanup
+ if(success != 0) {
+ _error->Error(curl_errorstr);
+ Fail();
+ return true;
+ }
+
+ if (Res.Size == 0)
+ Res.Size = File->Size();
+
+ // check the downloaded result
+ struct stat Buf;
+ if (stat(File->Name().c_str(),&Buf) == 0)
+ {
+ Res.Size = Buf.st_size;
+ Res.Filename = File->Name();
+ Res.LastModified = Buf.st_mtime;
+ Res.IMSHit = false;
+ if (Itm->LastModified != 0 && Buf.st_mtime >= Itm->LastModified)
+ {
+ Res.IMSHit = true;
+ Res.LastModified = Itm->LastModified;
+ }
+ }
+
+ // 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
+ File->Close();
+ 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();
+}
+
+
projects / apt.git / commitdiff
