#define PKGLIB_ACQUIRE_ITEM_H
#include <apt-pkg/acquire.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/weakptr.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <string>
+#include <vector>
+
+#ifndef APT_8_CLEANER_HEADERS
#include <apt-pkg/indexfile.h>
#include <apt-pkg/vendor.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgrecords.h>
#include <apt-pkg/indexrecords.h>
-#include <apt-pkg/hashes.h>
-#include <apt-pkg/weakptr.h>
+#endif
/** \addtogroup acquire
* @{
* \file acquire-item.h
*/
+class indexRecords;
+class pkgRecords;
+class pkgSourceList;
+class IndexTarget;
+class pkgAcqMetaBase;
+
/** \brief Represents the process by which a pkgAcquire object should {{{
* retrieve a file or a collection of files.
*
*/
class pkgAcquire::Item : public WeakPointable
{
+ friend class pkgAcqMetaBase;
+
+ void *d;
+
protected:
/** \brief The acquire object with which this item is associated. */
/** \brief Insert this item into its owner's queue.
*
- * \param ItemDesc Metadata about this item (its URI and
+ * \param Item Metadata about this item (its URI and
* description).
*/
- inline void QueueURI(ItemDesc &Item)
- {Owner->Enqueue(Item);};
+ void QueueURI(ItemDesc &Item);
/** \brief Remove this item from its owner's queue. */
- inline void Dequeue() {Owner->Dequeue(this);};
-
+ void Dequeue();
+
/** \brief Rename a file without modifying its timestamp.
*
* Many item methods call this as their final action.
*
* \param From The file to be renamed.
*
- * \param To The new name of #From. If #To exists it will be
+ * \param To The new name of \a From. If \a To exists it will be
* overwritten.
*/
- void Rename(string From,string To);
-
+ bool Rename(std::string From,std::string To);
+
public:
/** \brief The current status of this item. */
/** \brief The item was could not be downloaded because of
* a transient network error (e.g. network down)
*/
- StatTransientNetworkError
+ StatTransientNetworkError,
} Status;
/** \brief Contains a textual description of the error encountered
- * if #Status is #StatError or #StatAuthError.
+ * if #ItemState is #StatError or #StatAuthError.
*/
- string ErrorText;
+ std::string ErrorText;
/** \brief The size of the object to fetch. */
unsigned long long FileSize;
/** \brief If not \b NULL, contains the name of a subprocess that
* is operating on this object (for instance, "gzip" or "gpgv").
*/
- const char *Mode;
+ APT_DEPRECATED const char *Mode;
+
+ /** \brief contains the name of the subprocess that is operating on this object
+ * (for instance, "gzip", "rred" or "gpgv"). This is obsoleting #Mode from above
+ * as it can manage the lifetime of included string properly. */
+ std::string ActiveSubprocess;
/** \brief A client-supplied unique identifier.
*
* download progress indicator's overall statistics.
*/
bool Local;
- string UsedMirror;
+ std::string UsedMirror;
/** \brief The number of fetch queues into which this item has been
* inserted.
* \sa pkgAcquire
*/
unsigned int QueueCounter;
+
+ /** \brief TransactionManager */
+ pkgAcqMetaBase *TransactionManager;
+
+ /** \brief The number of additional fetch items that are expected
+ * once this item is done.
+ *
+ * Some items like pkgAcqMeta{Index,Sig} will queue additional
+ * items. This variable can be set by the methods if it knows
+ * in advance how many items to expect to get a more accurate
+ * progress.
+ */
+ unsigned int ExpectedAdditionalItems;
/** \brief The name of the file into which the retrieved object
* will be written.
*/
- string DestFile;
+ std::string DestFile;
+
+ /** \brief storge name until a transaction is finished */
+ std::string PartialFile;
/** \brief Invoked by the acquire worker when the object couldn't
* be fetched.
*
* \sa pkgAcqMethod
*/
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
/** \brief Invoked by the acquire worker when the object was
* fetched successfully.
* \param Message Data from the acquire method. Use LookupTag()
* to parse it.
* \param Size The size of the object that was fetched.
- * \param Hash The HashSum of the object that was fetched.
+ * \param Hashes The HashSums of the object that was fetched.
* \param Cnf The method via which the object was fetched.
*
* \sa pkgAcqMethod
*/
- virtual void Done(string Message,unsigned long Size,string Hash,
+ virtual void Done(std::string Message, unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
/** \brief Invoked when the worker starts to fetch this object.
*
* \sa pkgAcqMethod
*/
- virtual void Start(string Message,unsigned long Size);
+ virtual void Start(std::string Message,unsigned long long Size);
/** \brief Custom headers to be sent to the fetch process.
*
* line, so they should (if nonempty) have a leading newline and
* no trailing newline.
*/
- virtual string Custom600Headers() {return string();};
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const {return std::string();};
+#else
+ virtual std::string Custom600Headers() {return std::string();};
+#endif
/** \brief A "descriptive" URI-like string.
*
* \return a URI that should be used to describe what is being fetched.
*/
- virtual string DescURI() = 0;
+ virtual std::string DescURI() = 0;
/** \brief Short item description.
*
* \return a brief description of the object being fetched.
*/
- virtual string ShortDesc() {return DescURI();}
+ virtual std::string ShortDesc() {return DescURI();}
/** \brief Invoked by the worker when the download is completely done. */
virtual void Finished() {};
- /** \brief HashSum
+ /** \brief HashSums
*
- * \return the HashSum of this object, if applicable; otherwise, an
- * empty string.
+ * \return the HashSums of this object, if applicable; otherwise, an
+ * empty list.
*/
- virtual string HashSum() {return string();};
+ HashStringList HashSums() const {return ExpectedHashes;};
+ std::string HashSum() const {HashStringList const hashes = HashSums(); HashString const * const hs = hashes.find(NULL); return hs != NULL ? hs->toStr() : ""; };
/** \return the acquire process with which this item is associated. */
+ pkgAcquire *GetOwner() const {return Owner;};
+#if APT_PKG_ABI < 413
pkgAcquire *GetOwner() {return Owner;};
+#endif
/** \return \b true if this object is being fetched from a trusted source. */
+#if APT_PKG_ABI >= 413
+ virtual bool IsTrusted() const {return false;};
+#else
virtual bool IsTrusted() {return false;};
+#endif
- // report mirror problems
/** \brief Report mirror problem
*
* This allows reporting mirror failures back to a centralized
*
* \param FailCode A short failure string that is send
*/
- void ReportMirrorFailure(string FailCode);
+ void ReportMirrorFailure(std::string FailCode);
+ /** \brief Set the name of the current active subprocess
+ *
+ * See also #ActiveSubprocess
+ */
+ void SetActiveSubprocess(const std::string &subprocess);
/** \brief Initialize an item.
*
* process, but does not place it into any fetch queues (you must
* manually invoke QueueURI() to do so).
*
- * Initializes all fields of the item other than Owner to 0,
- * false, or the empty string.
- *
* \param Owner The new owner of this item.
+ * \param ExpectedHashes of the file represented by this item
*/
- Item(pkgAcquire *Owner);
+ Item(pkgAcquire *Owner,
+ HashStringList const &ExpectedHashes=HashStringList(),
+ pkgAcqMetaBase *TransactionManager=NULL);
/** \brief Remove this item from its owner's queue by invoking
* pkgAcquire::Remove.
*/
virtual ~Item();
+
+ protected:
+
+ enum RenameOnErrorState {
+ HashSumMismatch,
+ SizeMismatch,
+ InvalidFormat,
+ SignatureError,
+ NotClearsigned,
+ MaximumSizeExceeded
+ };
+
+ /** \brief Rename failed file and set error
+ *
+ * \param state respresenting the error we encountered
+ */
+ bool RenameOnError(RenameOnErrorState const state);
+
+ /** \brief The HashSums of the item is supposed to have than done */
+ HashStringList ExpectedHashes;
+
+ /** \brief The item that is currently being downloaded. */
+ pkgAcquire::ItemDesc Desc;
};
/*}}}*/
/** \brief Information about an index patch (aka diff). */ /*{{{*/
-struct DiffInfo {
+struct APT_HIDDEN DiffInfo {
/** The filename of the diff. */
- string file;
+ std::string file;
- /** The sha1 hash of the diff. */
- string sha1;
+ /** The hashes of the diff */
+ HashStringList result_hashes;
- /** The size of the diff. */
- unsigned long size;
+ /** 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;
};
/*}}}*/
-/** \brief An item that is responsible for fetching a SubIndex {{{
- *
- * The MetaIndex file includes only records for important indexes
- * and records for these SubIndex files so these can carry records
- * for addition files like PDiffs and Translations
- */
-class pkgAcqSubIndex : public pkgAcquire::Item
+class pkgAcqMetaBase : public pkgAcquire::Item /*{{{*/
{
+ void *d;
+
protected:
- /** \brief If \b true, debugging information will be written to std::clog. */
- bool Debug;
+ std::vector<Item*> Transaction;
- /** \brief The item that is currently being downloaded. */
- pkgAcquire::ItemDesc Desc;
+ /** \brief A package-system-specific parser for the meta-index file. */
+ indexRecords *MetaIndexParser;
- /** \brief The Hash that this file should have after download
+ /** \brief The index files which should be looked up in the meta-index
+ * and then downloaded.
*/
- HashString ExpectedHash;
+ const std::vector<IndexTarget*>* IndexTargets;
- public:
- // Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual string DescURI() {return Desc.URI;};
- virtual string Custom600Headers();
- virtual bool ParseIndex(string const &IndexFile);
+ /** \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 Create a new pkgAcqSubIndex.
+ /** \brief Starts downloading the individual index files.
*
- * \param Owner The Acquire object that owns this item.
+ * \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.
*
- * \param URI The URI of the list file to download.
+ * 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 URIDesc A long description of the list file to download.
+ * \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.
*
- * \param ShortDesc A short description of the list file to download.
+ * 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 ExpectedHash The list file's MD5 signature.
+ * \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
*/
- pkgAcqSubIndex(pkgAcquire *Owner, string const &URI,string const &URIDesc,
- string const &ShortDesc, HashString const &ExpectedHash);
+ 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) {};
};
/*}}}*/
/** \brief An item that is responsible for fetching an index file of {{{
*
* \sa pkgAcqIndexDiffs, pkgAcqIndex
*/
-class pkgAcqDiffIndex : public pkgAcquire::Item
+class APT_HIDDEN pkgAcqDiffIndex : public pkgAcqBaseIndex
{
+ void *d;
+
protected:
/** \brief If \b true, debugging information will be written to std::clog. */
bool Debug;
- /** \brief The item that is currently being downloaded. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI of the index file to recreate at our end (either
- * by downloading it or by applying partial patches).
- */
- string RealURI;
-
- /** \brief The Hash that the real index file should have after
- * all patches have been applied.
- */
- HashString ExpectedHash;
-
/** \brief The index file which will be patched to generate the new
* file.
*/
- string CurrentPackagesFile;
+ std::string CurrentPackagesFile;
/** \brief A description of the Packages file (stored in
* pkgAcquire::ItemDesc::Description).
*/
- string Description;
+ std::string Description;
+
+ /** \brief If the copy step of the packages file is done
+ */
+ bool PackagesFileReadyInPartial;
public:
// Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ 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);
- virtual string DescURI() {return RealURI + "Index";};
- virtual string Custom600Headers();
+ virtual std::string DescURI() {return RealURI + "Index";};
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
/** \brief Parse the Index file for a set of Packages diffs.
*
* \return \b true if the Index file was successfully parsed, \b
* false otherwise.
*/
- bool ParseDiffIndex(string IndexDiffFile);
+ bool ParseDiffIndex(std::string IndexDiffFile);
/** \brief Create a new pkgAcqDiffIndex.
*
* \param ShortDesc A short description of the list file to download.
*
- * \param ExpectedHash The list file's MD5 signature.
+ * \param ExpectedHashes The list file's hashsums which are expected.
+ */
+ pkgAcqDiffIndex(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHashes,
+ indexRecords *MetaIndexParser);
+};
+ /*}}}*/
+/** \brief An item that is responsible for fetching client-merge patches {{{
+ * that need to be applied to a given package index file.
+ *
+ * Instead of downloading and applying each patch one by one like its
+ * sister #pkgAcqIndexDiffs this class will download all patches at once
+ * and call rred with all the patches downloaded once. Rred will then
+ * merge and apply them in one go, which should be a lot faster – but is
+ * incompatible with server-based merges of patches like reprepro can do.
+ *
+ * \sa pkgAcqDiffIndex, pkgAcqIndex
+ */
+class APT_HIDDEN pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex
+{
+ void *d;
+
+ protected:
+
+ /** \brief If \b true, debugging output will be written to
+ * std::clog.
+ */
+ bool Debug;
+
+ /** \brief description of the file being downloaded. */
+ std::string Description;
+
+ /** \brief information about the current patch */
+ struct DiffInfo const patch;
+
+ /** \brief list of all download items for the patches */
+ std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches;
+
+ /** The current status of this patch. */
+ enum DiffState
+ {
+ /** \brief The diff is currently being fetched. */
+ StateFetchDiff,
+
+ /** \brief The diff is currently being applied. */
+ StateApplyDiff,
+
+ /** \brief the work with this diff is done */
+ StateDoneDiff,
+
+ /** \brief something bad happened and fallback was triggered */
+ StateErrorDiff
+ } State;
+
+ public:
+ /** \brief Called when the patch file failed to be downloaded.
+ *
+ * This method will fall back to downloading the whole index file
+ * outright; its arguments are ignored.
*/
- pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, HashString ExpectedHash);
+ 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);
+ virtual std::string DescURI() {return RealURI + "Index";};
+
+ /** \brief Create an index merge-diff item.
+ *
+ * \param Owner The pkgAcquire object that owns this item.
+ *
+ * \param URI The URI of the package index file being
+ * reconstructed.
+ *
+ * \param URIDesc A long description of this item.
+ *
+ * \param ShortDesc A brief description of this item.
+ *
+ * \param ExpectedHashes The expected md5sum of the completely
+ * reconstructed package index file; the index file will be tested
+ * against this value when it is entirely reconstructed.
+ *
+ * \param patch contains infos about the patch this item is supposed
+ * to download which were read from the index
+ *
+ * \param allPatches contains all related items so that each item can
+ * check if it was the last one to complete the download step
+ */
+ pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHash,
+ indexRecords *MetaIndexParser,
+ DiffInfo const &patch,
+ std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches);
};
/*}}}*/
-/** \brief An item that is responsible for fetching all the patches {{{
+/** \brief An item that is responsible for fetching server-merge patches {{{
* that need to be applied to a given package index file.
*
* After downloading and applying a single patch, this item will
*
* \sa pkgAcqDiffIndex, pkgAcqIndex
*/
-class pkgAcqIndexDiffs : public pkgAcquire::Item
+class APT_HIDDEN pkgAcqIndexDiffs : public pkgAcqBaseIndex
{
+ void *d;
+
private:
/** \brief Queue up the next diff download.
* \return \b true if an applicable diff was found, \b false
* otherwise.
*/
- bool QueueNextDiff();
+ APT_HIDDEN bool QueueNextDiff();
/** \brief Handle tasks that must be performed after the item
* finishes downloading.
*
- * Dequeues the item and checks the resulting file's md5sum
- * against ExpectedHash after the last patch was applied.
+ * Dequeues the item and checks the resulting file's hashsums
+ * against ExpectedHashes after the last patch was applied.
* There is no need to check the md5/sha1 after a "normal"
* patch because QueueNextDiff() will check the sha1 later.
*
* \param allDone If \b true, the file was entirely reconstructed,
* and its md5sum is verified.
*/
- void Finish(bool allDone=false);
+ APT_HIDDEN void Finish(bool allDone=false);
protected:
*/
bool Debug;
- /** \brief A description of the item that is currently being
- * downloaded.
- */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI of the package index file that is being
- * reconstructed.
- */
- string RealURI;
-
- /** \brief The HashSum of the package index file that is being
- * reconstructed.
- */
- HashString ExpectedHash;
-
/** A description of the file being downloaded. */
- string Description;
+ std::string Description;
/** The patches that remain to be downloaded, including the patch
* being downloaded right now. This list should be ordered so
* dictionary instead of relying on ordering and stripping them
* off the front?
*/
- vector<DiffInfo> available_patches;
-
- /** Stop applying patches when reaching that sha1 */
- string ServerSha1;
+ std::vector<DiffInfo> available_patches;
/** The current status of this patch. */
enum DiffState
* This method will fall back to downloading the whole index file
* outright; its arguments are ignored.
*/
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf);
- virtual string DescURI() {return RealURI + "Index";};
+ virtual std::string DescURI() {return RealURI + "IndexDiffs";};
/** \brief Create an index diff item.
*
* After filling in its basic fields, this invokes Finish(true) if
- * #diffs is empty, or QueueNextDiff() otherwise.
+ * \a diffs is empty, or QueueNextDiff() otherwise.
*
* \param Owner The pkgAcquire object that owns this item.
*
*
* \param ShortDesc A brief description of this item.
*
- * \param ExpectedHash The expected md5sum of the completely
+ * \param ExpectedHashes The expected hashsums of the completely
* reconstructed package index file; the index file will be tested
* against this value when it is entirely reconstructed.
*
* should be ordered so that each diff appears before any diff
* that depends on it.
*/
- pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, HashString ExpectedHash,
- string ServerSha1,
- vector<DiffInfo> diffs=vector<DiffInfo>());
+ pkgAcqIndexDiffs(pkgAcquire *Owner,
+ pkgAcqMetaBase *TransactionManager,
+ struct IndexTarget const * const Target,
+ HashStringList const &ExpectedHash,
+ indexRecords *MetaIndexParser,
+ std::vector<DiffInfo> diffs=std::vector<DiffInfo>());
};
/*}}}*/
/** \brief An acquire item that is responsible for fetching an index {{{
*
* \todo Why does pkgAcqIndex have protected members?
*/
-class pkgAcqIndex : public pkgAcquire::Item
+class APT_HIDDEN pkgAcqIndex : public pkgAcqBaseIndex
{
+ void *d;
+
protected:
- /** \brief If \b true, the index file has been decompressed. */
- bool Decompression;
+ /** \brief The stages the method goes through
+ *
+ * The method first downloads the indexfile, then its decompressed (or
+ * copied) and verified
+ */
+ enum AllStages {
+ STAGE_DOWNLOAD,
+ STAGE_DECOMPRESS_AND_VERIFY,
+ };
+ AllStages Stage;
+
+ /** \brief Handle what needs to be done when the download is done */
+ void StageDownloadDone(std::string Message,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cfg);
+
+ /** \brief Handle what needs to be done when the decompression/copy is
+ * done
+ */
+ void StageDecompressDone(std::string Message,
+ HashStringList const &Hashes,
+ pkgAcquire::MethodConfig *Cfg);
- /** \brief If \b true, the partially downloaded file will be
+ /** \brief If \b set, this partially downloaded file will be
* removed when the download completes.
*/
- bool Erase;
+ std::string EraseFileName;
- /** \brief The download request that is currently being
- * processed.
+ /** \brief The compression-related file extensions that are being
+ * added to the downloaded file one by one if first fails (e.g., "gz bz2").
*/
- pkgAcquire::ItemDesc Desc;
+ std::string CompressionExtensions;
- /** \brief The object that is actually being fetched (minus any
- * compression-related extensions).
- */
- string RealURI;
+ /** \brief The actual compression extension currently used */
+ std::string CurrentCompressionExtension;
- /** \brief The expected hashsum of the decompressed index file. */
- HashString ExpectedHash;
+ /** \brief Do the changes needed to fetch via AptByHash (if needed) */
+ void InitByHashIfNeeded(const std::string MetaKey);
- /** \brief The compression-related file extensions that are being
- * added to the downloaded file one by one if first fails (e.g., "gz bz2").
+ /** \brief Auto select the right compression to use */
+ void AutoSelectCompression();
+
+ /** \brief Get the full pathname of the final file for the current URI
*/
- string CompressionExtension;
+ std::string GetFinalFilename() const;
+
+ /** \brief Schedule file for verification after a IMS hit */
+ void ReverifyAfterIMS();
+
+ /** \brief Validate the downloaded index file */
+ bool ValidateFile(const std::string &FileName);
public:
// Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ 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);
- virtual string Custom600Headers();
- virtual string DescURI() {return Desc.URI;};
- virtual string HashSum() {return ExpectedHash.toStr(); };
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
+ virtual std::string DescURI() {return Desc.URI;};
/** \brief Create a pkgAcqIndex.
*
*
* \param ShortDesc A brief description of this index file.
*
- * \param ExpectedHash The expected hashsum of this index file.
+ * \param ExpectedHashes The expected hashsum of this index file.
*
* \param compressExt The compression-related extension with which
* this index file should be downloaded, or "" to autodetect
* default is ".lzma" or ".bz2" (if the needed binaries are present)
* fallback is ".gz" or none.
*/
- pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, HashString ExpectedHash,
- string compressExt="");
- pkgAcqIndex(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
- void Init(string const &URI, string const &URIDesc, string const &ShortDesc);
-};
- /*}}}*/
-/** \brief An acquire item that is responsible for fetching a {{{
- * translated index file.
- *
- * The only difference from pkgAcqIndex is that transient failures
- * are suppressed: no error occurs if the translated index file is
- * missing.
- */
-class pkgAcqIndexTrans : public pkgAcqIndex
-{
- public:
-
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
-
- /** \brief Create a pkgAcqIndexTrans.
- *
- * \param Owner The pkgAcquire object with which this item is
- * associated.
- *
- * \param URI The URI of the index file that is to be downloaded.
- *
- * \param URIDesc A "URI-style" description of this index file.
- *
- * \param ShortDesc A brief description of this index file.
- */
- pkgAcqIndexTrans(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc);
- pkgAcqIndexTrans(pkgAcquire *Owner, struct IndexTarget const * const Target,
- HashString const &ExpectedHash, indexRecords const *MetaIndexParser);
+ pkgAcqIndex(pkgAcquire *Owner,std::string URI,std::string URIDesc,
+ std::string ShortDesc, HashStringList const &ExpectedHashes);
+ pkgAcqIndex(pkgAcquire *Owner, pkgAcqMetaBase *TransactionManager,
+ IndexTarget const * const Target,
+ HashStringList const &ExpectedHash,
+ indexRecords *MetaIndexParser);
+
+ void Init(std::string const &URI, std::string const &URIDesc,
+ std::string const &ShortDesc);
};
/*}}}*/
/** \brief Information about an index file. */ /*{{{*/
-struct IndexTarget
+class APT_HIDDEN IndexTarget
{
+ void *d;
+
+ public:
/** \brief A URI from which the index file can be downloaded. */
- string URI;
+ std::string URI;
/** \brief A description of the index file. */
- string Description;
+ std::string Description;
/** \brief A shorter description of the index file. */
- string ShortDesc;
+ std::string ShortDesc;
/** \brief The key by which this index file should be
* looked up within the meta signature file.
*/
- string MetaKey;
+ std::string MetaKey;
- //FIXME: We should use virtual methods here instead…
- bool IsOptional() const;
- bool IsSubIndex() const;
+ virtual bool IsOptional() const {
+ return false;
+ }
};
/*}}}*/
/** \brief Information about an optional index file. */ /*{{{*/
-struct OptionalIndexTarget : public IndexTarget
-{
-};
- /*}}}*/
-
-/** \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 pkgAcqMetaSig : public pkgAcquire::Item
-{
- protected:
- /** \brief The last good signature file */
- string LastGoodSig;
-
- /** \brief The fetch request that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \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.
- */
- string RealURI;
-
- /** \brief The URI of the meta-index file to be fetched after the signature. */
- string MetaIndexURI;
-
- /** \brief A "URI-style" description of the meta-index file to be
- * fetched after the signature.
- */
- string MetaIndexURIDesc;
-
- /** \brief A brief description of the meta-index file to be fetched
- * after the signature.
- */
- string MetaIndexShortDesc;
-
- /** \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.
- *
- * \todo Why a list of pointers instead of a list of structs?
- */
- const vector<struct IndexTarget*>* IndexTargets;
-
- public:
-
- // Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
- virtual string DescURI() {return RealURI; };
-
- /** \brief Create a new pkgAcqMetaSig. */
- pkgAcqMetaSig(pkgAcquire *Owner,string URI,string URIDesc, string ShortDesc,
- string MetaIndexURI, string MetaIndexURIDesc, string MetaIndexShortDesc,
- const vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
-};
- /*}}}*/
-/** \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 pkgAcqMetaIndex : public pkgAcquire::Item
-{
- protected:
- /** \brief The fetch command that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The URI that is actually being downloaded; never
- * modified by pkgAcqMetaIndex.
- */
- string RealURI;
-
- /** \brief The file in which the signature for this index was stored.
- *
- * If empty, the signature and the md5sums of the individual
- * indices will not be checked.
- */
- string SigFile;
-
- /** \brief The index files to download. */
- const vector<struct IndexTarget*>* IndexTargets;
-
- /** \brief The parser for the meta-index file. */
- indexRecords* MetaIndexParser;
-
- /** \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 Check that the release file is a release file for the
- * correct distribution.
- *
- * \return \b true if no fatal errors were encountered.
- */
- bool VerifyVendor(string Message);
-
- /** \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.
- */
- void RetrievalDone(string Message);
-
- /** \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.
- */
- void AuthDone(string Message);
-
- /** \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);
-
- public:
-
- // Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size, string Hash,
- pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
- virtual string DescURI() {return RealURI; };
-
- /** \brief Create a new pkgAcqMetaIndex. */
- pkgAcqMetaIndex(pkgAcquire *Owner,
- string URI,string URIDesc, string ShortDesc,
- string SigFile,
- const vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
-};
- /*}}}*/
-/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/
-class pkgAcqMetaClearSig : public pkgAcqMetaIndex
+class APT_HIDDEN OptionalIndexTarget : public IndexTarget
{
- /** \brief The URI of the meta-index file for the detached signature */
- string MetaIndexURI;
-
- /** \brief A "URI-style" description of the meta-index file */
- string MetaIndexURIDesc;
-
- /** \brief A brief description of the meta-index file */
- string MetaIndexShortDesc;
-
- /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */
- string MetaSigURI;
-
- /** \brief A "URI-style" description of the meta-signature file */
- string MetaSigURIDesc;
-
- /** \brief A brief description of the meta-signature file */
- string MetaSigShortDesc;
-
-public:
- void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual string Custom600Headers();
+ void *d;
- /** \brief Create a new pkgAcqMetaClearSig. */
- pkgAcqMetaClearSig(pkgAcquire *Owner,
- string const &URI, string const &URIDesc, string const &ShortDesc,
- string const &MetaIndexURI, string const &MetaIndexURIDesc, string const &MetaIndexShortDesc,
- string const &MetaSigURI, string const &MetaSigURIDesc, string const &MetaSigShortDesc,
- const vector<struct IndexTarget*>* IndexTargets,
- indexRecords* MetaIndexParser);
+ virtual bool IsOptional() const {
+ return true;
+ }
};
/*}}}*/
/** \brief An item that is responsible for fetching a package file. {{{
*/
class pkgAcqArchive : public pkgAcquire::Item
{
+ void *d;
+
protected:
/** \brief The package version being fetched. */
pkgCache::VerIterator Version;
- /** \brief The fetch command that is currently being processed. */
- pkgAcquire::ItemDesc Desc;
-
/** \brief The list of sources from which to pick archives to
* download this package from.
*/
*/
pkgRecords *Recs;
- /** \brief The hashsum of this package. */
- HashString ExpectedHash;
-
/** \brief A location in which the actual filename of the package
* should be stored.
*/
- string &StoreFilename;
+ std::string &StoreFilename;
/** \brief The next file for this version to try to download. */
pkgCache::VerFileIterator Vf;
public:
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Hash,
+ 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);
- virtual string DescURI() {return Desc.URI;};
- virtual string ShortDesc() {return Desc.ShortDesc;};
+ virtual std::string DescURI() {return Desc.URI;};
+ virtual std::string ShortDesc() {return Desc.ShortDesc;};
virtual void Finished();
- virtual string HashSum() {return ExpectedHash.toStr(); };
+#if APT_PKG_ABI >= 413
+ virtual bool IsTrusted() const;
+#else
virtual bool IsTrusted();
-
+#endif
+
/** \brief Create a new pkgAcqArchive.
*
* \param Owner The pkgAcquire object with which this item is
*
* \param Version The package version to download.
*
- * \param StoreFilename A location in which the actual filename of
+ * \param[out] StoreFilename A location in which the actual filename of
* the package should be stored. It will be set to a guessed
* basename in the constructor, and filled in with a fully
* qualified filename once the download finishes.
*/
pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
pkgRecords *Recs,pkgCache::VerIterator const &Version,
- string &StoreFilename);
+ std::string &StoreFilename);
};
/*}}}*/
/** \brief Retrieve an arbitrary file to the current directory. {{{
*/
class pkgAcqFile : public pkgAcquire::Item
{
- /** \brief The currently active download process. */
- pkgAcquire::ItemDesc Desc;
-
- /** \brief The hashsum of the file to download, if it is known. */
- HashString ExpectedHash;
+ void *d;
/** \brief How many times to retry the download, set from
* Acquire::Retries.
public:
// Specialized action members
- virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string CalcHash,
+ virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(std::string Message,unsigned long long Size, HashStringList const &CalcHashes,
pkgAcquire::MethodConfig *Cnf);
- virtual string DescURI() {return Desc.URI;};
- virtual string HashSum() {return ExpectedHash.toStr(); };
- virtual string Custom600Headers();
+ virtual std::string DescURI() {return Desc.URI;};
+#if APT_PKG_ABI >= 413
+ virtual std::string Custom600Headers() const;
+#else
+ virtual std::string Custom600Headers();
+#endif
/** \brief Create a new pkgAcqFile object.
*
*
* \param URI The URI to download.
*
- * \param Hash The hashsum of the file to download, if it is known;
- * otherwise "".
+ * \param Hashes The hashsums of the file to download, if they are known;
+ * otherwise empty list.
*
* \param Size The size of the file to download, if it is known;
* otherwise 0.
* \param IsIndexFile The file is considered a IndexFile and cache-control
* headers like "cache-control: max-age=0" are send
*
- * If DestFilename is empty, download to DestDir/<basename> if
- * DestDir is non-empty, $CWD/<basename> otherwise. If
+ * If DestFilename is empty, download to DestDir/\<basename\> if
+ * DestDir is non-empty, $CWD/\<basename\> otherwise. If
* DestFilename is NOT empty, DestDir is ignored and DestFilename
* is the absolute name to which the file should be downloaded.
*/
- pkgAcqFile(pkgAcquire *Owner, string URI, string Hash, unsigned long Size,
- string Desc, string ShortDesc,
- const string &DestDir="", const string &DestFilename="",
+ pkgAcqFile(pkgAcquire *Owner, std::string URI, HashStringList const &Hashes, unsigned long long Size,
+ std::string Desc, std::string ShortDesc,
+ const std::string &DestDir="", const std::string &DestFilename="",
bool IsIndexFile=false);
};
/*}}}*/
projects / apt.git / blobdiff