/*}}}*/
using namespace std;
+struct APT_HIDDEN CURLUserPointer {
+ HttpsMethod * const https;
+ HttpsMethod::FetchResult * const Res;
+ CURLUserPointer(HttpsMethod * const https, HttpsMethod::FetchResult * const Res) : https(https), Res(Res) {}
+};
+
size_t
HttpsMethod::parse_header(void *buffer, size_t size, size_t nmemb, void *userp)
{
size_t len = size * nmemb;
- HttpsMethod *me = (HttpsMethod *)userp;
+ CURLUserPointer *me = (CURLUserPointer *)userp;
std::string line((char*) buffer, len);
for (--len; len > 0; --len)
if (isspace(line[len]) == 0)
if (line.empty() == true)
{
- if (me->Server->Result != 416 && me->Server->StartPos != 0)
+ if (me->https->Server->Result != 416 && me->https->Server->StartPos != 0)
;
- else if (me->Server->Result == 416 && me->Server->Size == me->File->FileSize())
+ else if (me->https->Server->Result == 416 && me->https->Server->Size == me->https->File->FileSize())
{
- me->Server->Result = 200;
- me->Server->StartPos = me->Server->Size;
+ me->https->Server->Result = 200;
+ me->https->Server->StartPos = me->https->Server->Size;
+ // the actual size is not important for https as curl will deal with it
+ // by itself and e.g. doesn't bother us with transport-encoding…
+ me->https->Server->JunkSize = std::numeric_limits<unsigned long long>::max();
}
else
- me->Server->StartPos = 0;
+ me->https->Server->StartPos = 0;
+
+ me->https->File->Truncate(me->https->Server->StartPos);
+ me->https->File->Seek(me->https->Server->StartPos);
- me->File->Truncate(me->Server->StartPos);
- me->File->Seek(me->Server->StartPos);
+ me->Res->LastModified = me->https->Server->Date;
+ me->Res->Size = me->https->Server->Size;
+ me->Res->ResumePoint = me->https->Server->StartPos;
+
+ // we expect valid data, so tell our caller we get the file now
+ if (me->https->Server->Result >= 200 && me->https->Server->Result < 300 &&
+ me->https->Server->JunkSize == 0 &&
+ me->Res->Size != 0 && me->Res->Size > me->Res->ResumePoint)
+ me->https->URIStart(*me->Res);
}
- else if (me->Server->HeaderLine(line) == false)
+ else if (me->https->Server->HeaderLine(line) == false)
return 0;
return size*nmemb;
HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
HttpsMethod *me = (HttpsMethod *)userp;
+ size_t buffer_size = size * nmemb;
+ // we don't need to count the junk here, just drop anything we get as
+ // we don't always know how long it would be, e.g. in chunked encoding.
+ if (me->Server->JunkSize != 0)
+ return buffer_size;
- if (me->Res.Size == 0)
- me->URIStart(me->Res);
- if(me->File->Write(buffer, size*nmemb) != true)
- return false;
-
- return size*nmemb;
-}
+ if(me->File->Write(buffer, buffer_size) != true)
+ return 0;
-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;
+ if(me->Queue->MaximumSize > 0)
+ {
+ unsigned long long const TotalWritten = me->File->Tell();
+ if (TotalWritten > me->Queue->MaximumSize)
+ {
+ me->SetFailReason("MaximumSizeExceeded");
+ _error->Error("Writing more data than expected (%llu > %llu)",
+ TotalWritten, me->Queue->MaximumSize);
+ return 0;
+ }
}
- return 0;
+
+ return buffer_size;
}
// HttpsServerState::HttpsServerState - Constructor /*{{{*/
-HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * /*Owner*/) : ServerState(Srv, NULL)
+HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * Owner) : ServerState(Srv, Owner)
{
TimeOut = _config->FindI("Acquire::https::Timeout",TimeOut);
Reset();
}
/*}}}*/
-void HttpsMethod::SetupProxy() /*{{{*/
+void HttpsMethod::SetupProxy() /*{{{*/
{
URI ServerName = Queue->Uri;
bool HttpsMethod::Fetch(FetchItem *Itm)
{
struct stat SBuf;
- struct curl_slist *headers=NULL;
+ struct curl_slist *headers=NULL;
char curl_errorstr[CURL_ERROR_SIZE];
URI Uri = Itm->Uri;
string remotehost = Uri.Host;
maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));
+ FetchResult Res;
+ CURLUserPointer userp(this, &Res);
// 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_WRITEHEADER, &userp);
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_NOPROGRESS, true);
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_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))
+ if (Debug == true)
curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
// error handling
// go for it - if the file exists, append on it
File = new FileFd(Itm->DestFile, FileFd::WriteAny);
- Server = new HttpsServerState(Itm->Uri, this);
+ Server = CreateServerState(Itm->Uri);
// keep apt updated
Res.Filename = Itm->DestFile;
if (success != 0)
{
_error->Error("%s", curl_errorstr);
- unlink(File->Name().c_str());
return false;
}
return false;
}
- struct stat resultStat;
- if (unlikely(stat(File->Name().c_str(), &resultStat) != 0))
- {
- _error->Errno("stat", "Unable to access file %s", File->Name().c_str());
- return false;
- }
- Res.Size = resultStat.st_size;
-
// invalid range-request
if (Server->Result == 416)
{
unlink(File->Name().c_str());
- Res.Size = 0;
delete File;
Redirect(Itm->Uri);
return true;
}
+ struct stat resultStat;
+ if (unlikely(stat(File->Name().c_str(), &resultStat) != 0))
+ {
+ _error->Errno("stat", "Unable to access file %s", File->Name().c_str());
+ return false;
+ }
+ Res.Size = resultStat.st_size;
+
// Timestamp
curl_easy_getinfo(curl, CURLINFO_FILETIME, &Res.LastModified);
if (Res.LastModified != -1)
Res.LastModified = resultStat.st_mtime;
// take hashes
- Hashes Hash;
+ Hashes Hash(Itm->ExpectedHashes);
FileFd Fd(Res.Filename, FileFd::ReadOnly);
Hash.AddFD(Fd);
Res.TakeHashes(Hash);
URIDone(Res);
// cleanup
- Res.Size = 0;
delete File;
return true;
}
+ /*}}}*/
+// HttpsMethod::Configuration - Handle a configuration message /*{{{*/
+bool HttpsMethod::Configuration(string Message)
+{
+ if (ServerMethod::Configuration(Message) == false)
+ return false;
+
+ AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
+ _config->FindB("Acquire::http::AllowRedirect", true));
+ Debug = _config->FindB("Debug::Acquire::https",false);
+
+ return true;
+}
+ /*}}}*/
+ServerState * HttpsMethod::CreateServerState(URI uri) /*{{{*/
+{
+ return new HttpsServerState(uri, this);
+}
+ /*}}}*/
int main()
{
HttpsMethod Mth;
curl_global_init(CURL_GLOBAL_SSL) ;
- Mth.DropPrivsOrDie();
-
return Mth.Run();
}
projects / apt.git / blobdiff