+ bool QueueURI(pkgAcquire::ItemDesc &Item) APT_OVERRIDE;
+
+ public:
+ IndexTarget const Target;
+
+ /** \brief storge name until a transaction is finished */
+ std::string PartialFile;
+
+ /** \brief TransactionManager */
+ pkgAcqMetaClearSig * const TransactionManager;
+
+ enum TransactionStates {
+ TransactionStarted,
+ TransactionCommit,
+ TransactionAbort,
+ };
+ virtual bool TransactionState(TransactionStates const state);
+
+ virtual std::string DescURI() const APT_OVERRIDE { return Target.URI; }
+ virtual HashStringList GetExpectedHashes() const APT_OVERRIDE;
+ virtual std::string GetMetaKey() const;
+ virtual bool HashesRequired() const APT_OVERRIDE;
+
+
+ pkgAcqTransactionItem(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager, IndexTarget const &Target) APT_NONNULL(2, 3);
+ virtual ~pkgAcqTransactionItem();
+
+ friend class pkgAcqMetaBase;
+ friend class pkgAcqMetaClearSig;
+};
+ /*}}}*/
+class APT_HIDDEN pkgAcqMetaBase : public pkgAcqTransactionItem /*{{{*/
+/** \brief the manager of a transaction */
+{
+ void * const d;
+ protected:
+ std::vector<pkgAcqTransactionItem*> Transaction;
+
+ /** \brief If \b true, the index's signature is currently being verified.
+ */
+ bool AuthPass;
+
+ /** \brief Called when a file is finished being retrieved.
+ *
+ * If the file was not downloaded to DestFile, a copy process is
+ * set up to copy it to DestFile; otherwise, Complete is set to \b
+ * true and the file is moved to its final location.
+ *
+ * \param Message The message block received from the fetch
+ * subprocess.
+ */
+ bool CheckDownloadDone(pkgAcqTransactionItem * const I, const std::string &Message, HashStringList const &Hashes) const;
+
+ /** \brief Queue the downloaded Signature for verification */
+ void QueueForSignatureVerify(pkgAcqTransactionItem * const I, std::string const &File, std::string const &Signature);
+
+ virtual std::string Custom600Headers() const APT_OVERRIDE;
+
+ /** \brief Called when authentication succeeded.
+ *
+ * Sanity-checks the authenticated file, queues up the individual
+ * index files for download, and saves the signature in the lists
+ * directory next to the authenticated list file.
+ *
+ * \param Message The message block received from the fetch
+ * subprocess.
+ */
+ bool CheckAuthDone(std::string const &Message);
+
+ /** Check if the current item should fail at this point */
+ bool CheckStopAuthentication(pkgAcquire::Item * const I, const std::string &Message);
+
+ /** \brief Check that the release file is a release file for the
+ * correct distribution.
+ *
+ * \return \b true if no fatal errors were encountered.
+ */
+ bool VerifyVendor(std::string const &Message);
+
+ virtual bool TransactionState(TransactionStates const state) APT_OVERRIDE;
+
+ public:
+ // This refers more to the Transaction-Manager than the actual file
+ bool IMSHit;
+ TransactionStates State;
+ std::string BaseURI;
+
+ virtual bool QueueURI(pkgAcquire::ItemDesc &Item) APT_OVERRIDE;
+ virtual HashStringList GetExpectedHashes() const APT_OVERRIDE;
+ virtual bool HashesRequired() const APT_OVERRIDE;
+
+ // transaction code
+ void Add(pkgAcqTransactionItem * const I);
+ void AbortTransaction();
+ bool TransactionHasError() const;
+ void CommitTransaction();
+
+ /** \brief Stage (queue) a copy action when the transaction is committed
+ */
+ void TransactionStageCopy(pkgAcqTransactionItem * const I,
+ const std::string &From,
+ const std::string &To);
+ /** \brief Stage (queue) a removal action when the transaction is committed
+ */
+ void TransactionStageRemoval(pkgAcqTransactionItem * const I, const std::string &FinalFile);
+
+ /** \brief Get the full pathname of the final file for the current URI */
+ virtual std::string GetFinalFilename() const APT_OVERRIDE;
+
+ pkgAcqMetaBase(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &DataTarget) APT_NONNULL(2, 3);
+ virtual ~pkgAcqMetaBase();
+};
+ /*}}}*/
+/** \brief An item that is responsible for downloading the meta-index {{{
+ * file (i.e., Release) itself and verifying its signature.
+ *
+ * Once the download and verification are complete, the downloads of
+ * the individual index files are queued up using pkgAcqDiffIndex.
+ * If the meta-index file had a valid signature, the expected hashsums
+ * of the index files will be the md5sums listed in the meta-index;
+ * otherwise, the expected hashsums will be "" (causing the
+ * authentication of the index files to be bypassed).
+ */
+class APT_HIDDEN pkgAcqMetaIndex : public pkgAcqMetaBase
+{
+ void * const d;
+ protected:
+ IndexTarget const DetachedSigTarget;
+
+ /** \brief delayed constructor */
+ void Init(std::string const &URIDesc, std::string const &ShortDesc);
+
+ public:
+ virtual std::string DescURI() const APT_OVERRIDE;
+
+ // Specialized action members
+ virtual void Failed(std::string const &Message,pkgAcquire::MethodConfig const * const Cnf) APT_OVERRIDE;
+ virtual void Done(std::string const &Message, HashStringList const &Hashes,
+ pkgAcquire::MethodConfig const * const Cnf) APT_OVERRIDE;
+
+ /** \brief Create a new pkgAcqMetaIndex. */
+ pkgAcqMetaIndex(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &DataTarget, IndexTarget const &DetachedSigTarget) APT_NONNULL(2, 3);
+ virtual ~pkgAcqMetaIndex();
+
+ friend class pkgAcqMetaSig;
+};
+ /*}}}*/
+/** \brief An acquire item that downloads the detached signature {{{
+ * of a meta-index (Release) file, then queues up the release
+ * file itself.
+ *
+ * \todo Why protected members?
+ *
+ * \sa pkgAcqMetaIndex
+ */
+class APT_HIDDEN pkgAcqMetaSig : public pkgAcqTransactionItem
+{
+ void * const d;
projects / apt.git / blobdiff