X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/85050e764482197aad5daeeafd95ff6bf680afcb..0d303f1764645284b33924c9be8bf29f0a32ca5c:/methods/https.cc diff --git a/methods/https.cc b/methods/https.cc index 4f00842ba..366148e19 100644 --- a/methods/https.cc +++ b/methods/https.cc @@ -3,7 +3,7 @@ // $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 @@ -18,51 +18,115 @@ #include #include #include +#include +#include +#include #include #include -#include #include -#include #include -#include -#include #include #include +#include +#include -#include "config.h" #include "https.h" + #include /*}}}*/ using namespace std; +bool HttpsMethod::Configuration(std::string Message) +{ + if (pkgAcqMethod::Configuration(Message) == false) + return false; + + DropPrivsOrDie(); + + return true; +} + +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; + if(me->Queue->MaximumSize > 0 && me->File->Tell() > me->Queue->MaximumSize) + { + me->SetFailReason("MaximumSizeExceeded"); + return _error->Error("Writing more data than expected (%llu > %llu)", + me->TotalWritten, me->Queue->MaximumSize); + } 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 @@ -136,12 +200,18 @@ bool HttpsMethod::Fetch(FetchItem *Itm) // callbacks curl_easy_setopt(curl, CURLOPT_URL, static_cast(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. @@ -260,7 +330,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm) 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. @@ -275,11 +345,11 @@ bool HttpsMethod::Fetch(FetchItem *Itm) // 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) { @@ -289,16 +359,13 @@ bool HttpsMethod::Fetch(FetchItem *Itm) // 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 @@ -317,7 +384,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm) } // 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; @@ -326,13 +393,14 @@ bool HttpsMethod::Fetch(FetchItem *Itm) 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/ @@ -349,7 +417,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm) Res.Size = resultStat.st_size; // invalid range-request - if (curl_responsecode == 416) + if (Server->Result == 416) { unlink(File->Name().c_str()); Res.Size = 0; @@ -358,26 +426,15 @@ bool HttpsMethod::Fetch(FetchItem *Itm) 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; @@ -396,7 +453,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm) delete File; return true; -}; +} int main() { @@ -408,4 +465,3 @@ int main() return Mth.Run(); } -