diff options
Diffstat (limited to 'ftparchive/cachedb.cc')
| -rw-r--r-- | ftparchive/cachedb.cc | 263 |
1 files changed, 120 insertions, 143 deletions
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc index 12eac20d8..7770a3244 100644 --- a/ftparchive/cachedb.cc +++ b/ftparchive/cachedb.cc @@ -21,11 +21,13 @@ #include <apt-pkg/fileutl.h> #include <apt-pkg/debfile.h> #include <apt-pkg/gpgv.h> +#include <apt-pkg/hashes.h> #include <netinet/in.h> // htonl, etc #include <ctype.h> #include <stddef.h> #include <sys/stat.h> +#include <strings.h> #include "cachedb.h" @@ -99,7 +101,7 @@ 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; @@ -188,6 +190,45 @@ bool CacheDB::GetFileStat(bool const &doStat) 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. /*{{{*/ // --------------------------------------------------------------------- /* Sets the CurStat variable. Either to 0 if no database is used @@ -198,19 +239,29 @@ bool CacheDB::GetCurStat() if (DBLoaded) { - /* First see if there is anything about it - in the database */ - - /* Get the flags (and mtime) */ + // do a first query to just get the size of the data on disk InitQueryStats(); - // Ensure alignment of the returned structure Data.data = &CurStat; - Data.ulen = sizeof(CurStat); Data.flags = DB_DBT_USERMEM; - if (Get() == false) + 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; - } + GetCurStatCompatNewFormat(); + } else { + return _error->Error("Cache record size mismatch (%ul)", Data.size); + } + CurStat.Flags = ntohl(CurStat.Flags); CurStat.FileSize = ntohl(CurStat.FileSize); } @@ -219,15 +270,10 @@ bool CacheDB::GetCurStat() /*}}}*/ // 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 &DoSource, - 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, unsigned int const DoHashes, bool const &checkMtime) { - bool result = true; this->FileName = FileName; if (GetCurStat() == false) @@ -235,31 +281,28 @@ bool CacheDB::GetFileInfo(std::string const &FileName, bool const &DoControl, OldStat = CurStat; if (GetFileStat(checkMtime) == false) - return false; + 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++; + ++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) ) + || (DoContents && LoadContents(GenContentsOnly) == false) + || (DoSource && LoadSource() == false) + || (DoHashes != 0 && GetHashes(false, DoHashes) == false) + ) { - result = false; + return false; } - - return result; + + return true; } /*}}}*/ - -bool CacheDB::LoadSource() +bool CacheDB::LoadSource() /*{{{*/ { // Try to read the control information out of the DB. if ((CurStat.Flags & FlSource) == FlSource) @@ -289,7 +332,7 @@ bool CacheDB::LoadSource() return true; } - + /*}}}*/ // CacheDB::LoadControl - Load Control information /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -358,7 +401,7 @@ bool CacheDB::LoadContents(bool const &GenOnly) return true; } /*}}}*/ - +// CacheDB::GetHashes - Get the hashs /*{{{*/ static std::string bytes2hex(uint8_t *bytes, size_t length) { char buf[3]; std::string space; @@ -388,125 +431,59 @@ static void hex2bytes(uint8_t *bytes, const char *hex, int length) { bytes++; } } - -// CacheDB::GetMD5 - Get the MD5 hash /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool CacheDB::GetMD5(bool const &GenOnly) +bool CacheDB::GetHashes(bool const GenOnly, unsigned int const DoHashes) { - // Try to read the control information out of the DB. - if ((CurStat.Flags & FlMD5) == FlMD5) - { - if (GenOnly == true) - return true; - - MD5Res = bytes2hex(CurStat.MD5, sizeof(CurStat.MD5)); - return true; - } - - Stats.MD5Bytes += CurStat.FileSize; - - if (OpenFile() == false) - return false; + unsigned int FlHashes = DoHashes & (Hashes::MD5SUM | Hashes::SHA1SUM | Hashes::SHA256SUM | Hashes::SHA512SUM); + HashesList.clear(); - MD5Summation MD5; - if (Fd->Seek(0) == false || MD5.AddFD(*Fd, CurStat.FileSize) == false) - return false; - - MD5Res = MD5.Result(); - hex2bytes(CurStat.MD5, MD5Res.data(), sizeof(CurStat.MD5)); - CurStat.Flags |= FlMD5; - return true; -} - /*}}}*/ -// CacheDB::GetSHA1 - Get the SHA1 hash /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool CacheDB::GetSHA1(bool const &GenOnly) -{ - // Try to read the control information out of the DB. - if ((CurStat.Flags & FlSHA1) == FlSHA1) + if (FlHashes != 0) { - if (GenOnly == true) - return true; - - SHA1Res = bytes2hex(CurStat.SHA1, sizeof(CurStat.SHA1)); - return true; - } - - Stats.SHA1Bytes += CurStat.FileSize; - - if (OpenFile() == false) - return false; + if (OpenFile() == false) + return false; - SHA1Summation SHA1; - if (Fd->Seek(0) == false || SHA1.AddFD(*Fd, CurStat.FileSize) == false) - return false; - - SHA1Res = SHA1.Result(); - hex2bytes(CurStat.SHA1, SHA1Res.data(), sizeof(CurStat.SHA1)); - CurStat.Flags |= FlSHA1; - return true; -} - /*}}}*/ -// CacheDB::GetSHA256 - Get the SHA256 hash /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool CacheDB::GetSHA256(bool const &GenOnly) -{ - // Try to read the control information out of the DB. - if ((CurStat.Flags & FlSHA256) == FlSHA256) - { - if (GenOnly == true) - return true; + Hashes hashes; + if (Fd->Seek(0) == false || hashes.AddFD(*Fd, CurStat.FileSize, FlHashes) == false) + return false; - SHA256Res = bytes2hex(CurStat.SHA256, sizeof(CurStat.SHA256)); - return true; + HashStringList hl = hashes.GetHashStringList(); + for (HashStringList::const_iterator hs = hl.begin(); hs != hl.end(); ++hs) + { + HashesList.push_back(*hs); + if (strcasecmp(hs->HashType().c_str(), "SHA512") == 0) + { + Stats.SHA512Bytes += CurStat.FileSize; + hex2bytes(CurStat.SHA512, hs->HashValue().data(), sizeof(CurStat.SHA512)); + CurStat.Flags |= FlSHA512; + } + else if (strcasecmp(hs->HashType().c_str(), "SHA256") == 0) + { + Stats.SHA256Bytes += CurStat.FileSize; + hex2bytes(CurStat.SHA256, hs->HashValue().data(), sizeof(CurStat.SHA256)); + CurStat.Flags |= FlSHA256; + } + else if (strcasecmp(hs->HashType().c_str(), "SHA1") == 0) + { + Stats.SHA1Bytes += CurStat.FileSize; + hex2bytes(CurStat.SHA1, hs->HashValue().data(), sizeof(CurStat.SHA1)); + CurStat.Flags |= FlSHA1; + } + else if (strcasecmp(hs->HashType().c_str(), "MD5Sum") == 0) + { + Stats.MD5Bytes += CurStat.FileSize; + hex2bytes(CurStat.MD5, hs->HashValue().data(), sizeof(CurStat.MD5)); + CurStat.Flags |= FlMD5; + } + else + return _error->Error("Got unknown unrequested hashtype %s", hs->HashType().c_str()); + } } - - Stats.SHA256Bytes += CurStat.FileSize; - - if (OpenFile() == false) - return false; - - SHA256Summation SHA256; - if (Fd->Seek(0) == false || SHA256.AddFD(*Fd, CurStat.FileSize) == false) - return false; - - SHA256Res = SHA256.Result(); - hex2bytes(CurStat.SHA256, SHA256Res.data(), sizeof(CurStat.SHA256)); - CurStat.Flags |= FlSHA256; - return true; -} - /*}}}*/ -// CacheDB::GetSHA256 - Get the SHA256 hash /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool CacheDB::GetSHA512(bool const &GenOnly) -{ - // Try to read the control information out of the DB. - if ((CurStat.Flags & FlSHA512) == FlSHA512) - { - if (GenOnly == true) - return true; - - SHA512Res = bytes2hex(CurStat.SHA512, sizeof(CurStat.SHA512)); + if (GenOnly == true) return true; - } - - Stats.SHA512Bytes += CurStat.FileSize; - - if (OpenFile() == false) - return false; - SHA512Summation SHA512; - if (Fd->Seek(0) == false || SHA512.AddFD(*Fd, CurStat.FileSize) == false) - return false; - - SHA512Res = SHA512.Result(); - hex2bytes(CurStat.SHA512, SHA512Res.data(), sizeof(CurStat.SHA512)); - CurStat.Flags |= FlSHA512; - return true; + return HashesList.push_back(HashString("MD5Sum", bytes2hex(CurStat.MD5, sizeof(CurStat.MD5)))) && + HashesList.push_back(HashString("SHA1", bytes2hex(CurStat.SHA1, sizeof(CurStat.SHA1)))) && + HashesList.push_back(HashString("SHA256", bytes2hex(CurStat.SHA256, sizeof(CurStat.SHA256)))) && + HashesList.push_back(HashString("SHA512", bytes2hex(CurStat.SHA512, sizeof(CurStat.SHA512)))); } /*}}}*/ // CacheDB::Finish - Write back the cache structure /*{{{*/ |