// $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.
+ HTTPS Acquire Method - This is the HTTPS acquire method for APT.
It uses libcurl
#include <apt-pkg/hashes.h>
#include <apt-pkg/netrc.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/proxy.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 <ctype.h>
+#include <stdlib.h>
-#include "config.h"
#include "https.h"
+
#include <apti18n.h>
/*}}}*/
using namespace std;
+size_t
+HttpsMethod::parse_header(void *buffer, size_t size, size_t nmemb, void *userp)
+{
+ size_t len = size * nmemb;
+ HttpsMethod *me = (HttpsMethod *)userp;
+ std::string line((char*) buffer, len);
+ for (--len; len > 0; --len)
+ if (isspace(line[len]) == 0)
+ {
+ ++len;
+ break;
+ }
+ line.erase(len);
+
+ if (line.empty() == true)
+ {
+ if (me->Server->Result != 416 && me->Server->StartPos != 0)
+ ;
+ else if (me->Server->Result == 416 && me->Server->Size == me->File->FileSize())
+ {
+ me->Server->Result = 200;
+ me->Server->StartPos = me->Server->Size;
+ }
+ else
+ me->Server->StartPos = 0;
+
+ me->File->Truncate(me->Server->StartPos);
+ me->File->Seek(me->Server->StartPos);
+ }
+ else if (me->Server->HeaderLine(line) == false)
+ return 0;
+
+ return size*nmemb;
+}
+
size_t
HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
HttpsMethod *me = (HttpsMethod *)userp;
+ if (me->Res.Size == 0)
+ me->URIStart(me->Res);
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)
+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;
}
+// HttpsServerState::HttpsServerState - Constructor /*{{{*/
+HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * /*Owner*/) : ServerState(Srv, NULL)
+{
+ TimeOut = _config->FindI("Acquire::https::Timeout",TimeOut);
+ Reset();
+}
+ /*}}}*/
+
void HttpsMethod::SetupProxy() /*{{{*/
{
URI ServerName = Queue->Uri;
+ // Determine the proxy setting
+ AutoDetectProxy(ServerName);
+
// Curl should never read proxy settings from the environment, as
// we determine which proxy to use. Do this for consistency among
// methods and prevent an environment variable overriding a
// callbacks
curl_easy_setopt(curl, CURLOPT_URL, static_cast<string>(Uri).c_str());
+ curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, parse_header);
+ curl_easy_setopt(curl, CURLOPT_WRITEHEADER, this);
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);
+ // options
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
curl_easy_setopt(curl, CURLOPT_FILETIME, true);
+ // only allow curl to handle https, not the other stuff it supports
+ curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
+ curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
// 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.
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
// 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.
// 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-", (long) SBuf.st_size);
- headers = curl_slist_append(headers, Buf);
- sprintf(Buf, "If-Range: %s", TimeRFC1123(SBuf.st_mtime).c_str());
- headers = curl_slist_append(headers, Buf);
+ std::string Buf;
+ strprintf(Buf, "Range: bytes=%lli-", (long long) SBuf.st_size);
+ headers = curl_slist_append(headers, Buf.c_str());
+ strprintf(Buf, "If-Range: %s", TimeRFC1123(SBuf.st_mtime).c_str());
+ headers = curl_slist_append(headers, Buf.c_str());
}
else if(Itm->LastModified > 0)
{
// 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());
+ Server = new HttpsServerState(Itm->Uri, this);
// keep apt updated
Res.Filename = Itm->DestFile;
// get it!
CURLcode success = curl_easy_perform(curl);
- long curl_responsecode;
- curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);
// If the server returns 200 OK but the If-Modified-Since condition is not
// met, CURLINFO_CONDITION_UNMET will be set to 1
}
// server says file not modified
- if (curl_responsecode == 304 || curl_condition_unmet == 1)
+ if (Server->Result == 304 || curl_condition_unmet == 1)
{
unlink(File->Name().c_str());
Res.IMSHit = true;
URIDone(Res);
return true;
}
+ Res.IMSHit = false;
- if (curl_responsecode != 200 && // OK
- curl_responsecode != 206 && // Partial
- curl_responsecode != 416) // invalid Range
+ if (Server->Result != 200 && // OK
+ Server->Result != 206 && // Partial
+ Server->Result != 416) // invalid Range
{
char err[255];
- snprintf(err, sizeof(err) - 1, "HttpError%ld", curl_responsecode);
+ snprintf(err, sizeof(err) - 1, "HttpError%i", Server->Result);
SetFailReason(err);
_error->Error("%s", err);
// unlink, no need keep 401/404 page content in partial/
Res.Size = resultStat.st_size;
// invalid range-request
- if (curl_responsecode == 416)
+ if (Server->Result == 416)
{
unlink(File->Name().c_str());
Res.Size = 0;
return true;
}
- // check the downloaded result
- if (curl_responsecode == 304 || curl_condition_unmet)
- {
- unlink(File->Name().c_str());
- Res.IMSHit = true;
- Res.LastModified = Itm->LastModified;
- Res.Size = 0;
- URIDone(Res);
- return true;
- }
- Res.IMSHit = false;
-
// Timestamp
curl_easy_getinfo(curl, CURLINFO_FILETIME, &Res.LastModified);
if (Res.LastModified != -1)
{
- struct utimbuf UBuf;
- UBuf.actime = Res.LastModified;
- UBuf.modtime = Res.LastModified;
- utime(File->Name().c_str(),&UBuf);
+ struct timeval times[2];
+ times[0].tv_sec = Res.LastModified;
+ times[1].tv_sec = Res.LastModified;
+ times[0].tv_usec = times[1].tv_usec = 0;
+ utimes(File->Name().c_str(), times);
}
else
Res.LastModified = resultStat.st_mtime;
delete File;
return true;
-};
+}
int main()
{
HttpsMethod Mth;
curl_global_init(CURL_GLOBAL_SSL) ;
+ Mth.DropPrivsOrDie();
+
return Mth.Run();
}
-