diff options
Diffstat (limited to 'ftparchive/cachedb.cc')
| -rw-r--r-- | ftparchive/cachedb.cc | 376 |
1 files changed, 242 insertions, 134 deletions
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc index 523c6b5fa..0901492f7 100644 --- a/ftparchive/cachedb.cc +++ b/ftparchive/cachedb.cc @@ -20,6 +20,7 @@ #include <apt-pkg/configuration.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/debfile.h> +#include <apt-pkg/gpgv.h> #include <netinet/in.h> // htonl, etc #include <ctype.h> @@ -31,6 +32,19 @@ #include <apti18n.h> /*}}}*/ +CacheDB::CacheDB(std::string const &DB) + : Dbp(0), Fd(NULL), DebFile(0) +{ + TmpKey[0]='\0'; + ReadyDB(DB); +}; + +CacheDB::~CacheDB() +{ + ReadyDB(); + delete DebFile; +}; + // CacheDB::ReadyDB - Ready the DB2 /*{{{*/ // --------------------------------------------------------------------- /* This opens the DB2 file for caching package information */ @@ -85,7 +99,7 @@ bool CacheDB::ReadyDB(std::string const &DB) return _error->Error(_("Unable to open DB file %s: %s"),DB.c_str(), db_strerror(err)); } } - + DBFile = DB; DBLoaded = true; return true; @@ -96,14 +110,54 @@ bool CacheDB::ReadyDB(std::string const &DB) /* */ bool CacheDB::OpenFile() { - Fd = new FileFd(FileName,FileFd::ReadOnly); - if (_error->PendingError() == true) - { - delete Fd; - Fd = NULL; - return false; - } - return true; + // always close existing file first + CloseFile(); + + // open a new file + Fd = new FileFd(FileName,FileFd::ReadOnly); + if (_error->PendingError() == true) + { + CloseFile(); + return false; + } + return true; +} + /*}}}*/ +// CacheDB::CloseFile - Close the file /*{{{*/ +void CacheDB::CloseFile() +{ + if(Fd != NULL) + { + delete Fd; + Fd = NULL; + } +} + /*}}}*/ +// CacheDB::OpenDebFile - Open a debfile /*{{{*/ +bool CacheDB::OpenDebFile() +{ + // always close existing file first + CloseDebFile(); + + // first open the fd, then pass it to the debDebFile + if(OpenFile() == false) + return false; + DebFile = new debDebFile(*Fd); + if (_error->PendingError() == true) + return false; + return true; +} + /*}}}*/ +// CacheDB::CloseDebFile - Close a debfile again /*{{{*/ +void CacheDB::CloseDebFile() +{ + CloseFile(); + + if(DebFile != NULL) + { + delete DebFile; + DebFile = NULL; + } } /*}}}*/ // CacheDB::GetFileStat - Get stats from the file /*{{{*/ @@ -112,29 +166,65 @@ bool CacheDB::OpenFile() * to look at the file, also get the mtime from the file. */ bool CacheDB::GetFileStat(bool const &doStat) { - if ((CurStat.Flags & FlSize) == FlSize && doStat == false) - { - /* Already worked out the file size */ - } - else - { - /* Get it from the file. */ - if (Fd == NULL && OpenFile() == false) - { - return false; - } - // Stat the file - struct stat St; - if (fstat(Fd->Fd(),&St) != 0) - { - return _error->Errno("fstat", - _("Failed to stat %s"),FileName.c_str()); - } - CurStat.FileSize = St.st_size; - CurStat.mtime = htonl(St.st_mtime); - CurStat.Flags |= FlSize; - } - return true; + if ((CurStat.Flags & FlSize) == FlSize && doStat == false) + return true; + + /* Get it from the file. */ + if (OpenFile() == false) + return false; + + // Stat the file + struct stat St; + if (fstat(Fd->Fd(),&St) != 0) + { + CloseFile(); + return _error->Errno("fstat", + _("Failed to stat %s"),FileName.c_str()); + } + CurStat.FileSize = St.st_size; + CurStat.mtime = htonl(St.st_mtime); + CurStat.Flags |= FlSize; + + return true; +} + /*}}}*/ +// CacheDB::GetCurStatCompatOldFormat /*{{{*/ +// --------------------------------------------------------------------- +/* Read the old (32bit FileSize) StateStore format from disk */ +bool CacheDB::GetCurStatCompatOldFormat() +{ + InitQueryStats(); + Data.data = &CurStatOldFormat; + Data.flags = DB_DBT_USERMEM; + Data.ulen = sizeof(CurStatOldFormat); + if (Get() == false) + { + CurStat.Flags = 0; + } else { + CurStat.Flags = CurStatOldFormat.Flags; + CurStat.mtime = CurStatOldFormat.mtime; + CurStat.FileSize = CurStatOldFormat.FileSize; + memcpy(CurStat.MD5, CurStatOldFormat.MD5, sizeof(CurStat.MD5)); + memcpy(CurStat.SHA1, CurStatOldFormat.SHA1, sizeof(CurStat.SHA1)); + memcpy(CurStat.SHA256, CurStatOldFormat.SHA256, sizeof(CurStat.SHA256)); + } + return true; +} + /*}}}*/ +// CacheDB::GetCurStatCompatOldFormat /*{{{*/ +// --------------------------------------------------------------------- +/* Read the new (64bit FileSize) StateStore format from disk */ +bool CacheDB::GetCurStatCompatNewFormat() +{ + InitQueryStats(); + Data.data = &CurStat; + Data.flags = DB_DBT_USERMEM; + Data.ulen = sizeof(CurStat); + if (Get() == false) + { + CurStat.Flags = 0; + } + return true; } /*}}}*/ // CacheDB::GetCurStat - Set the CurStat variable. /*{{{*/ @@ -145,79 +235,110 @@ bool CacheDB::GetCurStat() { memset(&CurStat,0,sizeof(CurStat)); - if (DBLoaded) - { - /* First see if there is anything about it - in the database */ - - /* Get the flags (and mtime) */ - InitQuery("st"); - // Ensure alignment of the returned structure - Data.data = &CurStat; - Data.ulen = sizeof(CurStat); - Data.flags = DB_DBT_USERMEM; - if (Get() == false) + if (DBLoaded) + { + // do a first query to just get the size of the data on disk + InitQueryStats(); + Data.data = &CurStat; + Data.flags = DB_DBT_USERMEM; + Data.ulen = 0; + Get(); + + if (Data.size == 0) + { + // nothing needs to be done, we just have not data for this deb + } + // check if the record is written in the old format (32bit filesize) + else if(Data.size == sizeof(CurStatOldFormat)) + { + GetCurStatCompatOldFormat(); + } + else if(Data.size == sizeof(CurStat)) { - CurStat.Flags = 0; - } - CurStat.Flags = ntohl(CurStat.Flags); - CurStat.FileSize = ntohl(CurStat.FileSize); + GetCurStatCompatNewFormat(); + } else { + return _error->Error("Cache record size mismatch (%ul)", Data.size); + } + + CurStat.Flags = ntohl(CurStat.Flags); + CurStat.FileSize = ntohl(CurStat.FileSize); } - return true; + return true; } /*}}}*/ // CacheDB::GetFileInfo - Get all the info about the file /*{{{*/ // --------------------------------------------------------------------- -bool CacheDB::GetFileInfo(std::string const &FileName, bool const &DoControl, bool const &DoContents, - bool const &GenContentsOnly, bool const &DoMD5, bool const &DoSHA1, - bool const &DoSHA256, bool const &DoSHA512, +bool CacheDB::GetFileInfo(std::string const &FileName, bool const &DoControl, + bool const &DoContents, + bool const &GenContentsOnly, + bool const &DoSource, + bool const &DoMD5, bool const &DoSHA1, + bool const &DoSHA256, bool const &DoSHA512, bool const &checkMtime) { - this->FileName = FileName; + bool result = true; + this->FileName = FileName; - if (GetCurStat() == false) - { - return false; - } + if (GetCurStat() == false) + return false; OldStat = CurStat; - if (GetFileStat(checkMtime) == false) - { - delete Fd; - Fd = NULL; - return false; - } - - /* if mtime changed, update CurStat from disk */ - if (checkMtime == true && OldStat.mtime != CurStat.mtime) - CurStat.Flags = FlSize; - - Stats.Bytes += CurStat.FileSize; - Stats.Packages++; - - if ((DoControl && LoadControl() == false) - || (DoContents && LoadContents(GenContentsOnly) == false) - || (DoMD5 && GetMD5(false) == false) - || (DoSHA1 && GetSHA1(false) == false) - || (DoSHA256 && GetSHA256(false) == false) - || (DoSHA512 && GetSHA512(false) == false) - ) - { - delete Fd; - Fd = NULL; - delete DebFile; - DebFile = NULL; - return false; - } - - delete Fd; - Fd = NULL; - delete DebFile; - DebFile = NULL; + if (GetFileStat(checkMtime) == false) + return false; - return true; + /* if mtime changed, update CurStat from disk */ + if (checkMtime == true && OldStat.mtime != CurStat.mtime) + CurStat.Flags = FlSize; + + Stats.Bytes += CurStat.FileSize; + Stats.Packages++; + + if ((DoControl && LoadControl() == false) + || (DoContents && LoadContents(GenContentsOnly) == false) + || (DoSource && LoadSource() == false) + || (DoMD5 && GetMD5(false) == false) + || (DoSHA1 && GetSHA1(false) == false) + || (DoSHA256 && GetSHA256(false) == false) + || (DoSHA512 && GetSHA512(false) == false) ) + { + result = false; + } + + return result; } /*}}}*/ + +bool CacheDB::LoadSource() +{ + // Try to read the control information out of the DB. + if ((CurStat.Flags & FlSource) == FlSource) + { + // Lookup the control information + InitQuerySource(); + if (Get() == true && Dsc.TakeDsc(Data.data, Data.size) == true) + { + return true; + } + CurStat.Flags &= ~FlSource; + } + if (OpenFile() == false) + return false; + + Stats.Misses++; + if (Dsc.Read(FileName) == false) + return false; + + if (Dsc.Data == 0) + return _error->Error(_("Failed to read .dsc")); + + // Write back the control information + InitQuerySource(); + if (Put(Dsc.Data, Dsc.Length) == true) + CurStat.Flags |= FlSource; + + return true; +} + // CacheDB::LoadControl - Load Control information /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -227,23 +348,14 @@ bool CacheDB::LoadControl() if ((CurStat.Flags & FlControl) == FlControl) { // Lookup the control information - InitQuery("cl"); + InitQueryControl(); if (Get() == true && Control.TakeControl(Data.data,Data.size) == true) return true; CurStat.Flags &= ~FlControl; } - if (Fd == NULL && OpenFile() == false) - { + if(OpenDebFile() == false) return false; - } - // Create a deb instance to read the archive - if (DebFile == 0) - { - DebFile = new debDebFile(*Fd); - if (_error->PendingError() == true) - return false; - } Stats.Misses++; if (Control.Read(*DebFile) == false) @@ -253,7 +365,7 @@ bool CacheDB::LoadControl() return _error->Error(_("Archive has no control record")); // Write back the control information - InitQuery("cl"); + InitQueryControl(); if (Put(Control.Control,Control.Length) == true) CurStat.Flags |= FlControl; return true; @@ -271,7 +383,7 @@ bool CacheDB::LoadContents(bool const &GenOnly) return true; // Lookup the contents information - InitQuery("cn"); + InitQueryContent(); if (Get() == true) { if (Contents.TakeContents(Data.data,Data.size) == true) @@ -281,23 +393,15 @@ bool CacheDB::LoadContents(bool const &GenOnly) CurStat.Flags &= ~FlContents; } - if (Fd == NULL && OpenFile() == false) - { + if(OpenDebFile() == false) return false; - } - // Create a deb instance to read the archive - if (DebFile == 0) - { - DebFile = new debDebFile(*Fd); - if (_error->PendingError() == true) - return false; - } + Stats.Misses++; if (Contents.Read(*DebFile) == false) return false; // Write back the control information - InitQuery("cn"); + InitQueryContent(); if (Put(Contents.Data,Contents.CurSize) == true) CurStat.Flags |= FlContents; return true; @@ -347,14 +451,13 @@ bool CacheDB::GetMD5(bool const &GenOnly) MD5Res = bytes2hex(CurStat.MD5, sizeof(CurStat.MD5)); return true; - } + } Stats.MD5Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + MD5Summation MD5; if (Fd->Seek(0) == false || MD5.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -382,10 +485,9 @@ bool CacheDB::GetSHA1(bool const &GenOnly) Stats.SHA1Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA1Summation SHA1; if (Fd->Seek(0) == false || SHA1.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -413,10 +515,9 @@ bool CacheDB::GetSHA256(bool const &GenOnly) Stats.SHA256Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA256Summation SHA256; if (Fd->Seek(0) == false || SHA256.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -444,10 +545,9 @@ bool CacheDB::GetSHA512(bool const &GenOnly) Stats.SHA512Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA512Summation SHA512; if (Fd->Seek(0) == false || SHA512.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -467,11 +567,11 @@ bool CacheDB::Finish() if (CurStat.Flags == OldStat.Flags && CurStat.mtime == OldStat.mtime) return true; - + // Write the stat information CurStat.Flags = htonl(CurStat.Flags); CurStat.FileSize = htonl(CurStat.FileSize); - InitQuery("st"); + InitQueryStats(); Put(&CurStat,sizeof(CurStat)); CurStat.Flags = ntohl(CurStat.Flags); CurStat.FileSize = ntohl(CurStat.FileSize); @@ -504,16 +604,24 @@ bool CacheDB::Clean() { if (stringcmp(Colon + 1, (char *)Key.data+Key.size,"st") == 0 || stringcmp(Colon + 1, (char *)Key.data+Key.size,"cl") == 0 || + stringcmp(Colon + 1, (char *)Key.data+Key.size,"cs") == 0 || stringcmp(Colon + 1, (char *)Key.data+Key.size,"cn") == 0) { - if (FileExists(std::string((const char *)Key.data,Colon)) == true) - continue; + std::string FileName = std::string((const char *)Key.data,Colon); + if (FileExists(FileName) == true) { + continue; + } } } - Cursor->c_del(Cursor,0); } - Dbp->compact(Dbp, NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL); + int res = Dbp->compact(Dbp, NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL); + if (res < 0) + _error->Warning("compact failed with result %i", res); + + if(_config->FindB("Debug::APT::FTPArchive::Clean", false) == true) + Dbp->stat_print(Dbp, 0); + return true; } |