Three item classes are provided to provide functionality for
downloading of Index, Translation and Packages files.
- A Archive class is provided for downloading .deb files. It does Md5
+ A Archive class is provided for downloading .deb files. It does Hash
checking and source location as well as a retry algorithm.
##################################################################### */
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgrecords.h>
#include <apt-pkg/indexrecords.h>
-
+#include <apt-pkg/hashes.h>
/** \addtogroup acquire
* @{
/** \brief The item was downloaded but its authenticity could
* not be verified.
*/
- StatAuthError
+ StatAuthError,
+
+ /** \brief The item was could not be downloaded because of
+ * a transient network error (e.g. network down)
+ */
+ StatTransientNetworkError
} Status;
/** \brief Contains a textual description of the error encountered
* \param Message Data from the acquire method. Use LookupTag()
* to parse it.
* \param Size The size of the object that was fetched.
- * \param Md5Hash The MD5Sum of the object that was fetched.
+ * \param Hash The HashSum 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 Md5Hash,
+ virtual void Done(string Message,unsigned long Size,string Hash,
pkgAcquire::MethodConfig *Cnf);
/** \brief Invoked when the worker starts to fetch this object.
/** \brief Invoked by the worker when the download is completely done. */
virtual void Finished() {};
- /** \brief MD5Sum.
+ /** \brief HashSum
*
- * \return the MD5Sum of this object, if applicable; otherwise, an
+ * \return the HashSum of this object, if applicable; otherwise, an
* empty string.
*/
- virtual string MD5Sum() {return string();};
+ virtual string HashSum() {return string();};
/** \return the acquire process with which this item is associated. */
pkgAcquire *GetOwner() {return Owner;};
*/
string RealURI;
- /** \brief The MD5Sum that the real index file should have after
+ /** \brief The Hash that the real index file should have after
* all patches have been applied.
*/
- string ExpectedMD5;
+ HashString ExpectedHash;
/** \brief The index file which will be patched to generate the new
* file.
*
* \param ShortDesc A short description of the list file to download.
*
- * \param ExpectedMD5 The list file's MD5 signature.
+ * \param ExpectedHash The list file's MD5 signature.
*/
pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, string ExpectedMD5);
+ string ShortDesc, HashString ExpectedHash);
};
/** \brief An item that is responsible for fetching all the patches
* finishes downloading.
*
* Dequeues the item and checks the resulting file's md5sum
- * against ExpectedMD5 after the last patch was applied.
+ * against ExpectedHash 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.
*
*/
string RealURI;
- /** \brief The MD5Sum of the package index file that is being
+ /** \brief The HashSum of the package index file that is being
* reconstructed.
*/
- string ExpectedMD5;
+ HashString ExpectedHash;
/** A description of the file being downloaded. */
string Description;
*
* \param ShortDesc A brief description of this item.
*
- * \param ExpectedMD5 The expected md5sum of the completely
+ * \param ExpectedHash The expected md5sum of the completely
* reconstructed package index file; the index file will be tested
* against this value when it is entirely reconstructed.
*
* that depends on it.
*/
pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, string ExpectedMD5,
+ string ShortDesc, HashString ExpectedHash,
vector<DiffInfo> diffs=vector<DiffInfo>());
};
*/
string RealURI;
- /** \brief The expected md5sum of the decompressed index file. */
- string ExpectedMD5;
+ /** \brief The expected hashsum of the decompressed index file. */
+ HashString ExpectedHash;
/** \brief The compression-related file extension that is being
* added to the downloaded file (e.g., ".gz" or ".bz2").
pkgAcquire::MethodConfig *Cnf);
virtual string Custom600Headers();
virtual string DescURI() {return RealURI + CompressionExtension;};
+ virtual string HashSum() {return ExpectedHash.toStr(); };
/** \brief Create a pkgAcqIndex.
*
*
* \param ShortDesc A brief description of this index file.
*
- * \param ExpectedMD5 The expected md5sum of this index file.
+ * \param ExpectedHash The expected hashsum of this index file.
*
* \param compressExt The compression-related extension with which
* this index file should be downloaded, or "" to autodetect
* (".bz2" is used if bzip2 is installed, ".gz" otherwise).
*/
pkgAcqIndex(pkgAcquire *Owner,string URI,string URIDesc,
- string ShortDesc, string ExpectedMD5, string compressExt="");
+ string ShortDesc, HashString ExpectedHash, string compressExt="");
};
/** \brief An acquire item that is responsible for fetching a
*
* \param ShortDesc A brief description of this index file.
*
- * \param ExpectedMD5 The expected md5sum of this index file.
+ * \param ExpectedHash The expected hashsum of this index file.
*
* \param compressExt The compression-related extension with which
* this index file should be downloaded, or "" to autodetect
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;
*
* 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 md5sums
+ * 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 md5sums will be "" (causing the
+ * otherwise, the expected hashsums will be "" (causing the
* authentication of the index files to be bypassed).
*/
class pkgAcqMetaIndex : public pkgAcquire::Item
/** \brief Starts downloading the individual index files.
*
- * \param verify If \b true, only indices whose expected md5sum
+ * \param verify If \b true, only indices whose expected hashsum
* can be determined from the meta-index will be downloaded, and
- * the md5sums of indices will be checked (reporting
+ * the hashsums of indices will be checked (reporting
* #StatAuthError if there is a mismatch). If verify is \b false,
- * no md5sum checking will be performed.
+ * no hashsum checking will be performed.
*/
void QueueIndexes(bool verify);
// Specialized action members
virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ virtual void Done(string Message,unsigned long Size, string Hash,
pkgAcquire::MethodConfig *Cnf);
virtual string Custom600Headers();
virtual string DescURI() {return RealURI; };
*/
pkgRecords *Recs;
- /** \brief The md5sum of this package. */
- string MD5;
+ /** \brief The hashsum of this package. */
+ HashString ExpectedHash;
/** \brief A location in which the actual filename of the package
* should be stored.
public:
virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ virtual void Done(string Message,unsigned long Size,string Hash,
pkgAcquire::MethodConfig *Cnf);
- virtual string MD5Sum() {return MD5;};
virtual string DescURI() {return Desc.URI;};
virtual string ShortDesc() {return Desc.ShortDesc;};
virtual void Finished();
-
+ virtual string HashSum() {return ExpectedHash.toStr(); };
virtual bool IsTrusted();
/** \brief Create a new pkgAcqArchive.
/** \brief The currently active download process. */
pkgAcquire::ItemDesc Desc;
- /** \brief The md5sum of the file to download, if it is known. */
- string Md5Hash;
+ /** \brief The hashsum of the file to download, if it is known. */
+ HashString ExpectedHash;
/** \brief How many times to retry the download, set from
* Acquire::Retries.
// Specialized action members
virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
- virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ virtual void Done(string Message,unsigned long Size,string CalcHash,
pkgAcquire::MethodConfig *Cnf);
- virtual string MD5Sum() {return Md5Hash;};
virtual string DescURI() {return Desc.URI;};
+ virtual string HashSum() {return ExpectedHash.toStr(); };
/** \brief Create a new pkgAcqFile object.
*
*
* \param URI The URI to download.
*
- * \param MD5 The md5sum of the file to download, if it is known;
+ * \param Hash The hashsum of the file to download, if it is known;
* otherwise "".
*
* \param Size The size of the file to download, if it is known;
* is the absolute name to which the file should be downloaded.
*/
- pkgAcqFile(pkgAcquire *Owner, string URI, string MD5, unsigned long Size,
+ pkgAcqFile(pkgAcquire *Owner, string URI, string Hash, unsigned long Size,
string Desc, string ShortDesc,
const string &DestDir="", const string &DestFilename="");
};