+ /** The hashes of the file after the diff is applied */
+ HashStringList patch_hashes;
+
+ /** The size of the file after the diff is applied */
+ unsigned long long result_size;
+
+ /** The size of the diff itself */
+ unsigned long long patch_size;
+};
+ /*}}}*/
+class pkgAcqMetaBase : public pkgAcquire::Item /*{{{*/
+{
+ void *d;
+
+ protected:
+ std::vector<Item*> Transaction;
+
+ /** \brief A package-system-specific parser for the meta-index file. */
+ indexRecords *MetaIndexParser;
+
+ /** \brief The index files which should be looked up in the meta-index
+ * and then downloaded.
+ */
+ const std::vector<IndexTarget*>* IndexTargets;
+
+ /** \brief If \b true, the index's signature is currently being verified.
+ */
+ bool AuthPass;
+
+ // required to deal gracefully with problems caused by incorrect ims hits
+ bool IMSHit;
+
+ /** \brief Starts downloading the individual index files.
+ *
+ * \param verify If \b true, only indices whose expected hashsum
+ * can be determined from the meta-index will be downloaded, and
+ * the hashsums of indices will be checked (reporting
+ * #StatAuthError if there is a mismatch). If verify is \b false,
+ * no hashsum checking will be performed.
+ */
+ void QueueIndexes(bool verify);
+
+ /** \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(const std::string &Message,
+ const std::string &RealURI);
+
+ /** \brief Queue the downloaded Signature for verification */
+ void QueueForSignatureVerify(const std::string &MetaIndexFile,
+ const std::string &MetaIndexFileSignature);
+
+ /** \brief get the custom600 header for all pkgAcqMeta */
+ std::string GetCustom600Headers(const std::string &RealURI) const;
+
+ /** \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 Message, const std::string &RealURI);
+
+ /** Check if the current item should fail at this point */
+ bool CheckStopAuthentication(const std::string &RealURI,
+ 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 Message, const std::string &RealURI);
+
+ public:
+ // transaction code
+ void Add(Item *I);
+ void AbortTransaction();
+ bool TransactionHasError() APT_PURE;
+ void CommitTransaction();
+
+ /** \brief Stage (queue) a copy action when the transaction is committed
+ */
+ void TransactionStageCopy(Item *I,
+ const std::string &From,
+ const std::string &To);
+ /** \brief Stage (queue) a removal action when the transaction is committed
+ */
+ void TransactionStageRemoval(Item *I, const std::string &FinalFile);
+
+ pkgAcqMetaBase(pkgAcquire *Owner,
+ const std::vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser,
+ HashStringList const &ExpectedHashes=HashStringList(),
+ pkgAcqMetaBase *TransactionManager=NULL)
+ : Item(Owner, ExpectedHashes, TransactionManager),
+ MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets),
+ AuthPass(false), IMSHit(false) {};
+};
+ /*}}}*/
+/** \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 pkgAcqMetaBase
+{
+ void *d;
+
+ protected:
+
+ /** \brief The URI of the signature file. Unlike Desc.URI, this is
+ * never modified; it is used to determine the file that is being
+ * downloaded.
+ */
+ std::string RealURI;
+
+ /** \brief The file we need to verify */
+ std::string MetaIndexFile;
+
+ /** \brief The file we use to verify the MetaIndexFile with */
+ std::string MetaIndexFileSignature;
+
+ /** \brief Long URI description used in the acquire system */
+ std::string URIDesc;
+
+ /** \brief Short URI description used in the acquire system */
+ std::string ShortDesc;
+
+ public:
+
+ // Specialized action members
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cnf);
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
+ virtual std::string DescURI() {return RealURI; };
+
+ /** \brief Create a new pkgAcqMetaSig. */
+ pkgAcqMetaSig(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ std::string URI,std::string URIDesc, std::string ShortDesc,
+ std::string MetaIndexFile,
+ const std::vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser);
+ virtual ~pkgAcqMetaSig();
+};
+ /*}}}*/
+/** \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 *d;
+
+ protected:
+ /** \brief The URI that is actually being downloaded; never
+ * modified by pkgAcqMetaIndex.
+ */
+ std::string RealURI;
+
+ std::string URIDesc;
+ std::string ShortDesc;
+
+ /** \brief The URI of the meta-index file for the detached signature */
+ std::string MetaIndexSigURI;
+
+ /** \brief A "URI-style" description of the meta-index file */
+ std::string MetaIndexSigURIDesc;
+
+ /** \brief A brief description of the meta-index file */
+ std::string MetaIndexSigShortDesc;
+
+ /** \brief delayed constructor */
+ void Init(std::string URIDesc, std::string ShortDesc);
+
+ public:
+
+ // Specialized action members
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cnf);
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
+ virtual std::string DescURI() {return RealURI; };
+ virtual void Finished();
+
+ /** \brief Create a new pkgAcqMetaIndex. */
+ pkgAcqMetaIndex(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ std::string URI,std::string URIDesc, std::string ShortDesc,
+ std::string MetaIndexSigURI, std::string MetaIndexSigURIDesc, std::string MetaIndexSigShortDesc,
+ const std::vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser);
+};
+ /*}}}*/
+/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/
+class APT_HIDDEN pkgAcqMetaClearSig : public pkgAcqMetaIndex
+{
+ void *d;
+
+ /** \brief The URI of the meta-index file for the detached signature */
+ std::string MetaIndexURI;
+
+ /** \brief A "URI-style" description of the meta-index file */
+ std::string MetaIndexURIDesc;
+
+ /** \brief A brief description of the meta-index file */
+ std::string MetaIndexShortDesc;
+
+ /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */
+ std::string MetaSigURI;
+
+ /** \brief A "URI-style" description of the meta-signature file */
+ std::string MetaSigURIDesc;
+
+ /** \brief A brief description of the meta-signature file */
+ std::string MetaSigShortDesc;
+
+public:
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
+ virtual void Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cnf);
+
+ /** \brief Create a new pkgAcqMetaClearSig. */
+ pkgAcqMetaClearSig(pkgAcquire *Owner,
+ std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc,
+ std::string const &MetaIndexURI, std::string const &MetaIndexURIDesc, std::string const &MetaIndexShortDesc,
+ std::string const &MetaSigURI, std::string const &MetaSigURIDesc, std::string const &MetaSigShortDesc,
+ const std::vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser);
+ virtual ~pkgAcqMetaClearSig();
+};
+ /*}}}*/
+/** \brief Common base class for all classes that deal with fetching {{{
+ indexes
+ */
+class pkgAcqBaseIndex : public pkgAcquire::Item
+{
+ void *d;
+
+ protected:
+ /** \brief Pointer to the IndexTarget data
+ */
+ const struct IndexTarget * Target;
+
+ /** \brief Pointer to the indexRecords parser */
+ indexRecords *MetaIndexParser;
+
+ /** \brief The MetaIndex Key */
+ std::string MetaKey;
+
+ /** \brief The URI of the index file to recreate at our end (either
+ * by downloading it or by applying partial patches).
+ */
+ std::string RealURI;
+
+ bool VerifyHashByMetaKey(HashStringList const &Hashes);
+
+ pkgAcqBaseIndex(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHashes,
+ indexRecords *MetaIndexParser)
+ : Item(Owner, ExpectedHashes, TransactionManager), Target(Target),
+ MetaIndexParser(MetaIndexParser) {};
projects / apt.git / blobdiff