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/** |
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* This file is part of the CernVM File System |
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*/ |
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#include "signing_tool.h" |
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#include <memory> |
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#include <string> |
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#include "manifest.h" |
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#include "object_fetcher.h" |
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#include "reflog.h" |
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#include "server_tool.h" |
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#include "upload.h" |
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#include "util/exception.h" |
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namespace { |
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typedef HttpObjectFetcher<> ObjectFetcher; |
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} // namespace |
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✗ |
SigningTool::SigningTool(ServerTool *server_tool) |
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: server_tool_(server_tool) { } |
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SigningTool::~SigningTool() { } |
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SigningTool::Result SigningTool::Run( |
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const std::string &manifest_path, const std::string &repo_url, |
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const std::string &spooler_definition, const std::string &temp_dir, |
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const std::string &certificate, const std::string &priv_key, |
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const std::string &repo_name, const std::string &pwd, |
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const std::string &meta_info, const std::string &reflog_chksum_path, |
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const std::string &proxy, const bool garbage_collectable, |
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const bool bootstrap_shortcuts, const bool return_early, |
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const std::vector<shash::Any> reflog_catalogs) { |
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shash::Any reflog_hash; |
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if (reflog_chksum_path != "") { |
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if (!manifest::Reflog::ReadChecksum(reflog_chksum_path, &reflog_hash)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Could not read reflog checksum"); |
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return kReflogChecksumMissing; |
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} |
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} |
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std::unique_ptr<upload::Spooler> spooler; |
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std::unique_ptr<manifest::Manifest> manifest; |
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if (!DirectoryExists(temp_dir)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "%s does not exist", temp_dir.c_str()); |
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return kError; |
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} |
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// prepare global manager modules |
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const bool follow_redirects = false; |
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if (!server_tool_->InitDownloadManager(follow_redirects, proxy) |
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|| !server_tool_->InitSignatureManager("", certificate, priv_key)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "failed to init repo connection"); |
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return kInitError; |
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} |
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// init the download helper |
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ObjectFetcher object_fetcher(repo_name, repo_url, temp_dir, |
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server_tool_->download_manager(), |
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server_tool_->signature_manager()); |
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// Load Manifest |
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manifest = std::unique_ptr<manifest::Manifest>( |
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manifest::Manifest::LoadFile(manifest_path)); |
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if (manifest.get() == nullptr) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to parse manifest"); |
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return kError; |
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} |
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// reflog_chksum_path wasn't given, the reflog checksum can possibly be |
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// obtained from the manifest |
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if (reflog_chksum_path.empty()) { |
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reflog_hash = manifest->reflog_hash(); |
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} |
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// Connect to the spooler |
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const upload::SpoolerDefinition sd(spooler_definition, |
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manifest->GetHashAlgorithm()); |
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spooler = std::unique_ptr<upload::Spooler>(upload::Spooler::Construct(sd)); |
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if (spooler.get() == nullptr) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to setup upload spooler"); |
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return kInitError; |
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} |
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std::unique_ptr<manifest::Reflog> reflog; |
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if (!reflog_hash.IsNull()) { |
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reflog.reset( |
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server_tool_->FetchReflog(&object_fetcher, repo_name, reflog_hash)); |
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if (reflog.get() == nullptr) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "reflog missing"); |
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return kReflogMissing; |
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} |
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} else { |
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LogCvmfs(kLogCvmfs, kLogVerboseMsg, "no reflog (ignoring)"); |
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if (spooler->Peek(".cvmfsreflog")) { |
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LogCvmfs(kLogCvmfs, kLogStderr, |
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"no reflog hash specified but reflog is present"); |
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return kError; |
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} |
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} |
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// From here on things are potentially put in backend storage |
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// Register callback for retrieving the certificate hash |
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upload::Spooler::CallbackPtr callback = spooler->RegisterListener( |
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&SigningTool::CertificateUploadCallback, this); |
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// Safe certificate (and wait for the upload through a Future) |
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spooler->ProcessCertificate(certificate); |
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const shash::Any certificate_hash = certificate_hash_.Get(); |
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spooler->UnregisterListener(callback); |
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if (certificate_hash.IsNull()) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to upload certificate"); |
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return kError; |
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} |
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// Safe repository meta info file |
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shash::Any metainfo_hash = manifest->meta_info(); |
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if (!meta_info.empty()) { |
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upload::Spooler::CallbackPtr callback = spooler->RegisterListener( |
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&SigningTool::MetainfoUploadCallback, this); |
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spooler->ProcessMetainfo(meta_info); |
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metainfo_hash = metainfo_hash_.Get(); |
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spooler->UnregisterListener(callback); |
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if (metainfo_hash.IsNull()) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to upload meta info"); |
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return kError; |
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} |
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} |
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// Update Reflog database |
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if (reflog.get() != nullptr) { |
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reflog->BeginTransaction(); |
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if (!reflog->AddCatalog(manifest->catalog_hash())) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to add catalog to Reflog"); |
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return kError; |
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} |
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if (!reflog->AddCertificate(certificate_hash)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to add certificate to Reflog"); |
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return kError; |
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} |
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if (!manifest->history().IsNull()) { |
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if (!reflog->AddHistory(manifest->history())) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to add history to Reflog"); |
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return kError; |
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} |
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} |
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if (!metainfo_hash.IsNull()) { |
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if (!reflog->AddMetainfo(metainfo_hash)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to add meta info to Reflog"); |
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return kError; |
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} |
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} |
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// Callers of SigningTool may provide a list of additional catalogs that |
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// need to be added to reflog (e. g. for later garbage collection) |
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std::vector<shash::Any>::const_iterator i = reflog_catalogs.begin(); |
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const std::vector<shash::Any>::const_iterator iend = reflog_catalogs.end(); |
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for (; i != iend; ++i) { |
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if (!reflog->AddCatalog(*i)) { |
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LogCvmfs(kLogCvmfs, kLogStderr, |
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"Failed to add additional catalog %s to Reflog", |
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(*i).ToString().c_str()); |
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return kError; |
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} |
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} |
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reflog->CommitTransaction(); |
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// upload Reflog database |
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reflog->DropDatabaseFileOwnership(); |
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const std::string reflog_db_file = reflog->database_file(); |
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reflog.reset(); |
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spooler->UploadReflog(reflog_db_file); |
| 185 |
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spooler->WaitForUpload(); |
| 186 |
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reflog_hash.algorithm = manifest->GetHashAlgorithm(); |
| 187 |
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manifest::Reflog::HashDatabase(reflog_db_file, &reflog_hash); |
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unlink(reflog_db_file.c_str()); |
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if (spooler->GetNumberOfErrors()) { |
| 190 |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to upload Reflog (errors: %d)", |
| 191 |
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spooler->GetNumberOfErrors()); |
| 192 |
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return kError; |
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} |
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if (!reflog_chksum_path.empty()) |
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manifest::Reflog::WriteChecksum(reflog_chksum_path, reflog_hash); |
| 196 |
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} |
| 197 |
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| 198 |
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// Don't activate new manifest, just make sure all its references are uploaded |
| 199 |
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// and entered into the reflog |
| 200 |
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if (return_early) { |
| 201 |
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return kSuccess; |
| 202 |
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} |
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| 204 |
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// Update manifest |
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manifest->set_certificate(certificate_hash); |
| 206 |
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manifest->set_repository_name(repo_name); |
| 207 |
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manifest->set_publish_timestamp(time(NULL)); |
| 208 |
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manifest->set_garbage_collectability(garbage_collectable); |
| 209 |
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manifest->set_has_alt_catalog_path(bootstrap_shortcuts); |
| 210 |
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if (!metainfo_hash.IsNull()) { |
| 211 |
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manifest->set_meta_info(metainfo_hash); |
| 212 |
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} |
| 213 |
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if (!reflog_hash.IsNull()) { |
| 214 |
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manifest->set_reflog_hash(reflog_hash); |
| 215 |
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} |
| 216 |
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| 217 |
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std::string signed_manifest = manifest->ExportString(); |
| 218 |
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shash::Any published_hash(manifest->GetHashAlgorithm()); |
| 219 |
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shash::HashMem( |
| 220 |
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reinterpret_cast<const unsigned char *>(signed_manifest.data()), |
| 221 |
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signed_manifest.length(), &published_hash); |
| 222 |
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signed_manifest += "--\n" + published_hash.ToString() + "\n"; |
| 223 |
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| 224 |
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// Create alternative bootstrapping symlinks for VOMS secured repos |
| 225 |
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✗ |
if (manifest->has_alt_catalog_path()) { |
| 226 |
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const bool success = spooler->PlaceBootstrappingShortcut( |
| 227 |
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manifest->certificate()) |
| 228 |
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&& spooler->PlaceBootstrappingShortcut( |
| 229 |
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manifest->catalog_hash()) |
| 230 |
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&& (manifest->history().IsNull() |
| 231 |
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|| spooler->PlaceBootstrappingShortcut( |
| 232 |
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manifest->history())) |
| 233 |
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&& (metainfo_hash.IsNull() |
| 234 |
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|| spooler->PlaceBootstrappingShortcut( |
| 235 |
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metainfo_hash)); |
| 236 |
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| 237 |
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if (!success) { |
| 238 |
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LogCvmfs(kLogCvmfs, kLogStderr, |
| 239 |
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"failed to place VOMS bootstrapping " |
| 240 |
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"symlinks"); |
| 241 |
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✗ |
return kError; |
| 242 |
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} |
| 243 |
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} |
| 244 |
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| 245 |
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// Sign manifest |
| 246 |
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unsigned char *sig; |
| 247 |
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unsigned sig_size; |
| 248 |
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✗ |
const bool manifest_was_signed = server_tool_->signature_manager()->Sign( |
| 249 |
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✗ |
reinterpret_cast<const unsigned char *>(published_hash.ToString().data()), |
| 250 |
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published_hash.GetHexSize(), &sig, &sig_size); |
| 251 |
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✗ |
if (!manifest_was_signed) { |
| 252 |
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✗ |
PANIC(kLogStderr, "Failed to sign manifest"); |
| 253 |
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} |
| 254 |
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| 255 |
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// Write new manifest |
| 256 |
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✗ |
signed_manifest += std::string(reinterpret_cast<char *>(sig), sig_size); |
| 257 |
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✗ |
free(sig); |
| 258 |
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✗ |
if (!SafeWriteToFile(signed_manifest, manifest_path, 0664)) { |
| 259 |
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LogCvmfs(kLogCvmfs, kLogStderr, "Failed to write manifest (errno: %d)", |
| 260 |
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✗ |
errno); |
| 261 |
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✗ |
return kError; |
| 262 |
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} |
| 263 |
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| 264 |
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// Upload manifest |
| 265 |
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✗ |
spooler->UploadManifest(manifest_path); |
| 266 |
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✗ |
spooler->WaitForUpload(); |
| 267 |
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✗ |
unlink(manifest_path.c_str()); |
| 268 |
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✗ |
if (spooler->GetNumberOfErrors()) { |
| 269 |
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✗ |
LogCvmfs(kLogCvmfs, kLogStderr, "Failed to commit manifest (errors: %d)", |
| 270 |
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spooler->GetNumberOfErrors()); |
| 271 |
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✗ |
return kError; |
| 272 |
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} |
| 273 |
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| 274 |
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✗ |
return kSuccess; |
| 275 |
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} |
| 276 |
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|
| 277 |
|
✗ |
void SigningTool::CertificateUploadCallback( |
| 278 |
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const upload::SpoolerResult &result) { |
| 279 |
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✗ |
shash::Any certificate_hash; |
| 280 |
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✗ |
if (result.return_code == 0) { |
| 281 |
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✗ |
certificate_hash = result.content_hash; |
| 282 |
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} else { |
| 283 |
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✗ |
LogCvmfs(kLogCvmfs, kLogStderr, |
| 284 |
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"Failed to upload certificate " |
| 285 |
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"(retcode: %d)", |
| 286 |
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✗ |
result.return_code); |
| 287 |
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} |
| 288 |
|
✗ |
certificate_hash_.Set(certificate_hash); |
| 289 |
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} |
| 290 |
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|
| 291 |
|
✗ |
void SigningTool::MetainfoUploadCallback(const upload::SpoolerResult &result) { |
| 292 |
|
✗ |
shash::Any metainfo_hash; |
| 293 |
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✗ |
if (result.return_code == 0) { |
| 294 |
|
✗ |
metainfo_hash = result.content_hash; |
| 295 |
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} else { |
| 296 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, "Failed to upload meta info (retcode: %d)", |
| 297 |
|
✗ |
result.return_code); |
| 298 |
|
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} |
| 299 |
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✗ |
metainfo_hash_.Set(metainfo_hash); |
| 300 |
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} |
| 301 |
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