X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/ce95a6f99ffa7bcb225bd9dd28dd73ee77553eb5..7a6d9076595b2acc164d6f057f609c96c359ea08:/ftparchive/cachedb.cc?ds=inline diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc index 427fea7e4..c2318bf53 100644 --- a/ftparchive/cachedb.cc +++ b/ftparchive/cachedb.cc @@ -10,27 +10,27 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "cachedb.h" -#endif +#include -#include "cachedb.h" - -#include #include #include #include -#include +#include #include #include - +#include + #include // htonl, etc + +#include "cachedb.h" + +#include /*}}}*/ // CacheDB::ReadyDB - Ready the DB2 /*{{{*/ // --------------------------------------------------------------------- /* This opens the DB2 file for caching package information */ -bool CacheDB::ReadyDB(string DB) +bool CacheDB::ReadyDB(std::string const &DB) { int err; @@ -50,7 +50,7 @@ bool CacheDB::ReadyDB(string DB) DBLoaded = false; Dbp = 0; - DBFile = string(); + DBFile = std::string(); if (DB.empty()) return true; @@ -69,6 +69,12 @@ bool CacheDB::ReadyDB(string DB) (ReadOnly?DB_RDONLY:DB_CREATE), 0644); } + // the database format has changed from DB_HASH to DB_BTREE in + // apt 0.6.44 + if (err == EINVAL) + { + _error->Error(_("DB format is invalid. If you upgraded from an older version of apt, please remove and re-create the database.")); + } if (err) { Dbp = 0; @@ -81,7 +87,7 @@ bool CacheDB::ReadyDB(string DB) return true; } /*}}}*/ -// CacheDB::OpenFile - Open the filei /*{{{*/ +// CacheDB::OpenFile - Open the file /*{{{*/ // --------------------------------------------------------------------- /* */ bool CacheDB::OpenFile() @@ -100,9 +106,9 @@ bool CacheDB::OpenFile() // --------------------------------------------------------------------- /* This gets the size from the database if it's there. If we need * to look at the file, also get the mtime from the file. */ -bool CacheDB::GetFileStat() +bool CacheDB::GetFileStat(bool const &doStat) { - if ((CurStat.Flags & FlSize) == FlSize) + if ((CurStat.Flags & FlSize) == FlSize && doStat == false) { /* Already worked out the file size */ } @@ -137,7 +143,7 @@ bool CacheDB::GetCurStat() if (DBLoaded) { - /* First see if thre is anything about it + /* First see if there is anything about it in the database */ /* Get the flags (and mtime) */ @@ -158,9 +164,10 @@ bool CacheDB::GetCurStat() /*}}}*/ // CacheDB::GetFileInfo - Get all the info about the file /*{{{*/ // --------------------------------------------------------------------- -bool CacheDB::GetFileInfo(string FileName, bool DoControl, bool DoContents, - bool GenContentsOnly, - bool DoMD5, bool DoSHA1, bool DoSHA256) +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 const &checkMtime) { this->FileName = FileName; @@ -169,22 +176,28 @@ bool CacheDB::GetFileInfo(string FileName, bool DoControl, bool DoContents, return false; } OldStat = CurStat; - - if (GetFileStat() == false) + + 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) + 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; @@ -245,7 +258,7 @@ bool CacheDB::LoadControl() // CacheDB::LoadContents - Load the File Listing /*{{{*/ // --------------------------------------------------------------------- /* */ -bool CacheDB::LoadContents(bool GenOnly) +bool CacheDB::LoadContents(bool const &GenOnly) { // Try to read the control information out of the DB. if ((CurStat.Flags & FlContents) == FlContents) @@ -287,15 +300,19 @@ bool CacheDB::LoadContents(bool GenOnly) } /*}}}*/ -static string bytes2hex(uint8_t *bytes, size_t length) { - char space[65]; - if (length * 2 > sizeof(space) - 1) length = (sizeof(space) - 1) / 2; - for (size_t i = 0; i < length; i++) - snprintf(&space[i*2], 3, "%02x", bytes[i]); - return string(space); +static std::string bytes2hex(uint8_t *bytes, size_t length) { + char buf[3]; + std::string space; + + space.reserve(length*2 + 1); + for (size_t i = 0; i < length; i++) { + snprintf(buf, sizeof(buf), "%02x", bytes[i]); + space.append(buf); + } + return space; } -static inline unsigned char xdig2num(char dig) { +static inline unsigned char xdig2num(char const &dig) { if (isdigit(dig)) return dig - '0'; if ('a' <= dig && dig <= 'f') return dig - 'a' + 10; if ('A' <= dig && dig <= 'F') return dig - 'A' + 10; @@ -316,7 +333,7 @@ static void hex2bytes(uint8_t *bytes, const char *hex, int length) { // CacheDB::GetMD5 - Get the MD5 hash /*{{{*/ // --------------------------------------------------------------------- /* */ -bool CacheDB::GetMD5(bool GenOnly) +bool CacheDB::GetMD5(bool const &GenOnly) { // Try to read the control information out of the DB. if ((CurStat.Flags & FlMD5) == FlMD5) @@ -335,7 +352,7 @@ bool CacheDB::GetMD5(bool GenOnly) return false; } MD5Summation MD5; - if (Fd->Seek(0) == false || MD5.AddFD(Fd->Fd(),CurStat.FileSize) == false) + if (Fd->Seek(0) == false || MD5.AddFD(*Fd, CurStat.FileSize) == false) return false; MD5Res = MD5.Result(); @@ -347,7 +364,7 @@ bool CacheDB::GetMD5(bool GenOnly) // CacheDB::GetSHA1 - Get the SHA1 hash /*{{{*/ // --------------------------------------------------------------------- /* */ -bool CacheDB::GetSHA1(bool GenOnly) +bool CacheDB::GetSHA1(bool const &GenOnly) { // Try to read the control information out of the DB. if ((CurStat.Flags & FlSHA1) == FlSHA1) @@ -366,7 +383,7 @@ bool CacheDB::GetSHA1(bool GenOnly) return false; } SHA1Summation SHA1; - if (Fd->Seek(0) == false || SHA1.AddFD(Fd->Fd(),CurStat.FileSize) == false) + if (Fd->Seek(0) == false || SHA1.AddFD(*Fd, CurStat.FileSize) == false) return false; SHA1Res = SHA1.Result(); @@ -378,7 +395,7 @@ bool CacheDB::GetSHA1(bool GenOnly) // CacheDB::GetSHA256 - Get the SHA256 hash /*{{{*/ // --------------------------------------------------------------------- /* */ -bool CacheDB::GetSHA256(bool GenOnly) +bool CacheDB::GetSHA256(bool const &GenOnly) { // Try to read the control information out of the DB. if ((CurStat.Flags & FlSHA256) == FlSHA256) @@ -397,7 +414,7 @@ bool CacheDB::GetSHA256(bool GenOnly) return false; } SHA256Summation SHA256; - if (Fd->Seek(0) == false || SHA256.AddFD(Fd->Fd(),CurStat.FileSize) == false) + if (Fd->Seek(0) == false || SHA256.AddFD(*Fd, CurStat.FileSize) == false) return false; SHA256Res = SHA256.Result(); @@ -406,6 +423,37 @@ bool CacheDB::GetSHA256(bool GenOnly) 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)); + return true; + } + + Stats.SHA512Bytes += CurStat.FileSize; + + if (Fd == NULL && 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; +} + /*}}}*/ // CacheDB::Finish - Write back the cache structure /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -447,21 +495,21 @@ bool CacheDB::Clean() memset(&Data,0,sizeof(Data)); while ((errno = Cursor->c_get(Cursor,&Key,&Data,DB_NEXT)) == 0) { - const char *Colon = (char *)Key.data; - for (; Colon != (char *)Key.data+Key.size && *Colon != ':'; Colon++); - if ((char *)Key.data+Key.size - Colon > 2) + const char *Colon = (char*)memrchr(Key.data, ':', Key.size); + if (Colon) { - if (stringcmp((char *)Key.data,Colon,"st") == 0 || - stringcmp((char *)Key.data,Colon,"cn") == 0 || - stringcmp((char *)Key.data,Colon,"cl") == 0) + 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,"cn") == 0) { - if (FileExists(string(Colon+1,(const char *)Key.data+Key.size)) == true) + if (FileExists(std::string((const char *)Key.data,Colon)) == true) continue; } } Cursor->c_del(Cursor,0); } + Dbp->compact(Dbp, NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL); return true; }