// $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 <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 <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 <ctype.h>
+#include <stdlib.h>
+
+#include <array>
#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)
+struct APT_HIDDEN CURLUserPointer {
+ HttpsMethod * const https;
+ HttpsMethod::FetchResult * const Res;
+ HttpsMethod::FetchItem const * const Itm;
+ CURLUserPointer(HttpsMethod * const https, HttpsMethod::FetchResult * const Res,
+ HttpsMethod::FetchItem const * const Itm) : https(https), Res(Res), Itm(Itm) {}
+};
+
+size_t
+HttpsMethod::parse_header(void *buffer, size_t size, size_t nmemb, void *userp)
{
- HttpsMethod *me = (HttpsMethod *)userp;
+ size_t len = size * nmemb;
+ CURLUserPointer *me = static_cast<CURLUserPointer *>(userp);
+ std::string line((char*) buffer, len);
+ for (--len; len > 0; --len)
+ if (isspace_ascii(line[len]) == 0)
+ {
+ ++len;
+ break;
+ }
+ line.erase(len);
- if(me->File->Write(buffer, size*nmemb) != true)
- return false;
+ if (line.empty() == true)
+ {
+ me->https->Server->JunkSize = 0;
+ if (me->https->Server->Result != 416 && me->https->Server->StartPos != 0)
+ ;
+ else if (me->https->Server->Result == 416)
+ {
+ bool partialHit = false;
+ if (me->Itm->ExpectedHashes.usable() == true)
+ {
+ Hashes resultHashes(me->Itm->ExpectedHashes);
+ FileFd file(me->Itm->DestFile, FileFd::ReadOnly);
+ me->https->Server->TotalFileSize = file.FileSize();
+ me->https->Server->Date = file.ModificationTime();
+ resultHashes.AddFD(file);
+ HashStringList const hashList = resultHashes.GetHashStringList();
+ partialHit = (me->Itm->ExpectedHashes == hashList);
+ }
+ else if (me->https->Server->Result == 416 && me->https->Server->TotalFileSize == me->https->File->FileSize())
+ partialHit = true;
+
+ if (partialHit == true)
+ {
+ me->https->Server->Result = 200;
+ me->https->Server->StartPos = me->https->Server->TotalFileSize;
+ // 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->https->Server->StartPos = 0;
+ }
+ else
+ me->https->Server->StartPos = 0;
+
+ me->Res->LastModified = me->https->Server->Date;
+ me->Res->Size = me->https->Server->TotalFileSize;
+ 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)
+ {
+ if (me->Res->Size != 0 && me->Res->Size > me->Res->ResumePoint)
+ me->https->URIStart(*me->Res);
+ if (me->https->Server->AddPartialFileToHashes(*(me->https->File)) == false)
+ return 0;
+ }
+ else
+ me->https->Server->JunkSize = std::numeric_limits<decltype(me->https->Server->JunkSize)>::max();
+ }
+ else if (me->https->Server->HeaderLine(line) == false)
+ return 0;
return size*nmemb;
}
-int
-HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow,
- double ultotal, double ulnow)
+size_t
+HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
- HttpsMethod *me = (HttpsMethod *)clientp;
- if(dltotal > 0 && me->Res.Size == 0) {
- me->Res.Size = (unsigned long long)dltotal;
- me->URIStart(me->Res);
+ HttpsMethod *me = static_cast<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->File->Write(buffer, buffer_size) != true)
+ return 0;
+
+ 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;
+
+ if (me->Server->GetHashes()->Add((unsigned char const * const)buffer, buffer_size) == false)
+ return 0;
+
+ return buffer_size;
}
-void HttpsMethod::SetupProxy() /*{{{*/
+// HttpsServerState::HttpsServerState - Constructor /*{{{*/
+HttpsServerState::HttpsServerState(URI Srv,HttpsMethod * Owner) : ServerState(Srv, Owner), Hash(NULL)
+{
+ TimeOut = Owner->ConfigFindI("Timeout", TimeOut);
+ Reset();
+}
+ /*}}}*/
+bool HttpsServerState::InitHashes(HashStringList const &ExpectedHashes) /*{{{*/
+{
+ delete Hash;
+ Hash = new Hashes(ExpectedHashes);
+ return true;
+}
+ /*}}}*/
+APT_PURE Hashes * HttpsServerState::GetHashes() /*{{{*/
+{
+ return Hash;
+}
+ /*}}}*/
+
+bool 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());
+ // Determine the proxy setting
+ AutoDetectProxy(ServerName);
- if (UseProxy.empty() == true)
- UseProxy = _config->Find("Acquire::https::Proxy", _config->Find("Acquire::http::Proxy").c_str());
+ // 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
+ // no-proxy ("DIRECT") setting in apt.conf.
+ curl_easy_setopt(curl, CURLOPT_PROXY, "");
- // User want to use NO proxy, so nothing to setup
+ // Determine the proxy setting - try https first, fallback to http and use env at last
+ string UseProxy = ConfigFind("Proxy::" + ServerName.Host, "");
+ if (UseProxy.empty() == true)
+ UseProxy = ConfigFind("Proxy", "");
+ // User wants to use NO proxy, so nothing to setup
if (UseProxy == "DIRECT")
- return;
+ return true;
+
+ // 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 true;
- if (UseProxy.empty() == false)
+ if (UseProxy.empty() == true)
{
- // 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;
+ const char* result = nullptr;
+ if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
+ result = getenv("https_proxy");
+ // FIXME: Fall back to http_proxy is to remain compatible with
+ // existing setups and behaviour of apt.conf. This should be
+ // deprecated in the future (including apt.conf). Most other
+ // programs do not fall back to http proxy settings and neither
+ // should Apt.
+ if (result == nullptr && std::find(methodNames.begin(), methodNames.end(), "http") != methodNames.end())
+ result = getenv("http_proxy");
+ UseProxy = result == nullptr ? "" : result;
}
// Determine what host and port to use based on the proxy settings
- if (UseProxy.empty() == false)
+ if (UseProxy.empty() == false)
{
Proxy = UseProxy;
+ AddProxyAuth(Proxy, ServerName);
+
+ if (Proxy.Access == "socks5h")
+ curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5_HOSTNAME);
+ else if (Proxy.Access == "socks5")
+ curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+ else if (Proxy.Access == "socks4a")
+ curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
+ else if (Proxy.Access == "socks")
+ curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
+ else if (Proxy.Access == "http" || Proxy.Access == "https")
+ curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+ else
+ return false;
+
if (Proxy.Port != 1)
curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
+ if (Proxy.User.empty() == false || Proxy.Password.empty() == false)
+ {
+ curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, Proxy.User.c_str());
+ curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, Proxy.Password.c_str());
+ }
}
+ return true;
} /*}}}*/
// HttpsMethod::Fetch - Fetch an item /*{{{*/
// ---------------------------------------------------------------------
depth. */
bool HttpsMethod::Fetch(FetchItem *Itm)
{
- stringstream ss;
struct stat SBuf;
- struct curl_slist *headers=NULL;
+ struct curl_slist *headers=NULL;
char curl_errorstr[CURL_ERROR_SIZE];
- long curl_responsecode;
URI Uri = Itm->Uri;
- string remotehost = Uri.Host;
+ setPostfixForMethodNames(Uri.Host.c_str());
+ AllowRedirect = ConfigFindB("AllowRedirect", true);
+ Debug = DebugEnabled();
// TODO:
// - http::Pipeline-Depth
// - error checking/reporting
// - more debug options? (CURLOPT_DEBUGFUNCTION?)
+ {
+ auto const plus = Binary.find('+');
+ if (plus != std::string::npos)
+ Uri.Access = Binary.substr(plus + 1);
+ }
curl_easy_reset(curl);
- SetupProxy();
+ if (SetupProxy() == false)
+ return _error->Error("Unsupported proxy configured: %s", URI::SiteOnly(Proxy).c_str());
maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc"));
+ FetchResult Res;
+ CURLUserPointer userp(this, &Res, Itm);
// 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, &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);
- curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
- curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
+ // options
+ curl_easy_setopt(curl, CURLOPT_NOPROGRESS, true);
curl_easy_setopt(curl, CURLOPT_FILETIME, true);
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 0);
- // 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());
-
+ if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
+ {
+ curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
+ curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
+
+ // File containing the list of trusted CA.
+ std::string const cainfo = ConfigFind("CaInfo", "");
+ if(cainfo.empty() == false)
+ curl_easy_setopt(curl, CURLOPT_CAINFO, cainfo.c_str());
+ // Check server certificate against previous CA list ...
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, ConfigFindB("Verify-Peer", true) ? 1 : 0);
+ // ... and hostname against cert CN or subjectAltName
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, ConfigFindB("Verify-Host", true) ? 2 : 0);
+ // Also enforce issuer of server certificate using its cert
+ std::string const issuercert = ConfigFind("IssuerCert", "");
+ if(issuercert.empty() == false)
+ curl_easy_setopt(curl, CURLOPT_ISSUERCERT, issuercert.c_str());
+ // For client authentication, certificate file ...
+ std::string const pem = ConfigFind("SslCert", "");
+ if(pem.empty() == false)
+ curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
+ // ... and associated key.
+ std::string const key = ConfigFind("SslKey", "");
+ if(key.empty() == false)
+ curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
+ // Allow forcing SSL version to SSLv3 or TLSv1
+ long final_version = CURL_SSLVERSION_DEFAULT;
+ std::string const sslversion = ConfigFind("SslForceVersion", "");
+ if(sslversion == "TLSv1")
+ final_version = CURL_SSLVERSION_TLSv1;
+ else if(sslversion == "TLSv1.0")
+ final_version = CURL_SSLVERSION_TLSv1_0;
+ else if(sslversion == "TLSv1.1")
+ final_version = CURL_SSLVERSION_TLSv1_1;
+ else if(sslversion == "TLSv1.2")
+ final_version = CURL_SSLVERSION_TLSv1_2;
+ else if(sslversion == "SSLv3")
+ final_version = CURL_SSLVERSION_SSLv3;
+ curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
+ // CRL file
+ std::string const crlfile = ConfigFind("CrlFile", "");
+ if(crlfile.empty() == false)
+ curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());
+ }
+ else
+ {
+ curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP);
+ curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP);
+ }
// cache-control
- if(_config->FindB("Acquire::https::No-Cache",
- _config->FindB("Acquire::http::No-Cache",false)) == false)
+ if(ConfigFindB("No-Cache", false) == false)
{
// cache enabled
- if (_config->FindB("Acquire::https::No-Store",
- _config->FindB("Acquire::http::No-Store",false)) == true)
+ if (ConfigFindB("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());
+ std::string ss;
+ strprintf(ss, "Cache-Control: max-age=%u", ConfigFindI("Max-Age", 0));
+ headers = curl_slist_append(headers, ss.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;
+ int const dlLimit = ConfigFindI("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());
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, ConfigFind("User-Agent", "Debian APT-CURL/1.0 (" PACKAGE_VERSION ")").c_str());
// set timeout
- int const timeout = _config->FindI("Acquire::https::Timeout",
- _config->FindI("Acquire::http::Timeout",120));
+ int const timeout = ConfigFindI("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))
+ if (Debug == true)
curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
// error handling
+ curl_errorstr[0] = '\0';
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
+ // If we ask for uncompressed files servers might respond with content-
+ // 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 (ConfigFindB("SendAccept", true))
+ {
+ size_t const filepos = Itm->Uri.find_last_of('/');
+ string const file = Itm->Uri.substr(filepos + 1);
+ if (flExtension(file) == file)
+ headers = curl_slist_append(headers, "Accept: text/*");
+ }
+
+ // go for it - if the file exists, append on it
+ File = new FileFd(Itm->DestFile, FileFd::WriteAny);
+ if (Server == nullptr || Server->Comp(Itm->Uri) == false)
+ Server = CreateServerState(Itm->Uri);
+ else
+ Server->Reset(false);
+
// 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)
+ if (Server->RangesAllowed && 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);
- }
+ 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, false).c_str());
+ headers = curl_slist_append(headers, Buf.c_str());
+ }
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);
-
+ if (Server->InitHashes(Itm->ExpectedHashes) == false)
+ return false;
+
// 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);
+ // If the server returns 200 OK but the If-Modified-Since condition is not
+ // met, CURLINFO_CONDITION_UNMET will be set to 1
+ long curl_condition_unmet = 0;
+ curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &curl_condition_unmet);
+ if (curl_condition_unmet == 1)
+ Server->Result = 304;
File->Close();
+ curl_slist_free_all(headers);
// cleanup
- if(success != 0)
+ if (success != CURLE_OK)
{
- _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);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wswitch"
+ switch (success)
+ {
+ case CURLE_COULDNT_RESOLVE_PROXY:
+ case CURLE_COULDNT_RESOLVE_HOST:
+ SetFailReason("ResolveFailure");
+ break;
+ case CURLE_COULDNT_CONNECT:
+ SetFailReason("ConnectionRefused");
+ break;
+ case CURLE_OPERATION_TIMEDOUT:
+ SetFailReason("Timeout");
+ break;
+ }
+#pragma GCC diagnostic pop
+ // only take curls technical errors if we haven't our own
+ // (e.g. for the maximum size limit we have and curls can be confusing)
+ if (_error->PendingError() == false)
+ _error->Error("%s", curl_errorstr);
+ else
+ _error->Warning("curl: %s", curl_errorstr);
+ return false;
}
- // check the downloaded result
- struct stat Buf;
- if (stat(File->Name().c_str(),&Buf) == 0)
+ switch (DealWithHeaders(Res))
{
- 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;
+ case ServerMethod::IMS_HIT:
URIDone(Res);
- return true;
- }
- Res.Size = Buf.st_size;
+ break;
+
+ case ServerMethod::ERROR_WITH_CONTENT_PAGE:
+ // unlink, no need keep 401/404 page content in partial/
+ RemoveFile(Binary.c_str(), File->Name());
+ case ServerMethod::ERROR_UNRECOVERABLE:
+ case ServerMethod::ERROR_NOT_FROM_SERVER:
+ return false;
+
+ case ServerMethod::TRY_AGAIN_OR_REDIRECT:
+ Redirect(NextURI);
+ break;
+
+ case ServerMethod::FILE_IS_OPEN:
+ 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)
+ {
+ 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;
+
+ // take hashes
+ Res.TakeHashes(*(Server->GetHashes()));
+
+ // keep apt updated
+ URIDone(Res);
+ break;
}
- // 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()
+}
+ /*}}}*/
+std::unique_ptr<ServerState> HttpsMethod::CreateServerState(URI const &uri)/*{{{*/
{
- setlocale(LC_ALL, "");
-
- HttpsMethod Mth;
- curl_global_init(CURL_GLOBAL_SSL) ;
-
- return Mth.Run();
+ return std::unique_ptr<ServerState>(new HttpsServerState(uri, this));
}
-
-
+ /*}}}*/
+HttpsMethod::HttpsMethod(std::string &&pProg) : ServerMethod(std::move(pProg),"1.2",Pipeline | SendConfig)/*{{{*/
+{
+ auto addName = std::inserter(methodNames, methodNames.begin());
+ addName = "http";
+ auto const plus = Binary.find('+');
+ if (plus != std::string::npos)
+ {
+ addName = Binary.substr(plus + 1);
+ auto base = Binary.substr(0, plus);
+ if (base != "https")
+ addName = base;
+ }
+ if (std::find(methodNames.begin(), methodNames.end(), "https") != methodNames.end())
+ curl_global_init(CURL_GLOBAL_SSL);
+ else
+ curl_global_init(CURL_GLOBAL_NOTHING);
+ curl = curl_easy_init();
+}
+ /*}}}*/
+HttpsMethod::~HttpsMethod() /*{{{*/
+{
+ curl_easy_cleanup(curl);
+}
+ /*}}}*/
+int main(int, const char *argv[]) /*{{{*/
+{
+ std::string Binary = flNotDir(argv[0]);
+ if (Binary.find('+') == std::string::npos && Binary != "https")
+ Binary.append("+https");
+ return HttpsMethod(std::move(Binary)).Run();
+}
+ /*}}}*/
projects / apt.git / blobdiff