/*++ Copyright (c) 1994 Microsoft Corporation Module Name: cachedef.h Abstract: contains data definitions for cache code. Author: Madan Appiah (madana) 12-Apr-1995 Environment: User Mode - Win32 Revision History: --*/ #ifndef _CACHEDEF_ #define _CACHEDEF_ // // C++ inline code definition for retail build only. // #if DBG #undef CHECKLOCK_NORMAL #undef CHECKLOCK_PARANOID #define INLINE #else #define INLINE inline #endif #define PAGE_SIZE 4096 // Grow memory mapped file by 1 page. #define ALLOC_PAGES 4 // was 2 #define HEADER_ENTRY_SIZE ALLOC_PAGES * PAGE_SIZE #define NORMAL_ENTRY_SIZE 128 #define DEFAULT_CLEANUP_FACTOR 10 // % free goal once cache quota exceeded #define MAX_EXEMPT_PERCENTAGE 70 #define MEMMAP_FILE_NAME TEXT("index.dat") #define DESKTOPINI_FILE_NAME TEXT("desktop.ini") #define DEFAULT_FILE_EXTENSION "" // Cache configuration and signature. #define CACHE_SIGNATURE_VALUE TEXT("Signature") #define CACHE_SIGNATURE TEXT("Client UrlCache MMF Ver 5.2") #define NUM_HEADER_DATA_DWORDS (CACHE_HEADER_DATA_LAST + 1) #define MAX_SIG_SIZE (sizeof(CACHE_SIGNATURE) / sizeof(TCHAR)) // The following values parametrize the schema for URL entries. #define ENTRY_COPYSIZE_IE5 \ (sizeof(IE5_URL_FILEMAP_ENTRY) - sizeof(FILEMAP_ENTRY)) #define ENTRY_VERSION_IE5 0 #define ENTRY_COPYSIZE_IE6 \ (sizeof(IE6_URL_FILEMAP_ENTRY) - sizeof(FILEMAP_ENTRY)) #define ENTRY_VERSION_IE6 0x10 #define ENTRY_COPYSIZE_CURRENT ENTRY_COPYSIZE_IE6 #define ENTRY_VERSION_CURRENT ENTRY_VERSION_IE6 // If IE5-IE? sees an entry with low bits of version set, it will be placed // on async fixup list rather than being destroyed. #define ENTRY_VERSION_NONCOMPAT_MASK 0x0F // Roundup #define ROUNDUPTOPOWEROF2(bytesize, powerof2) (((bytesize) + (powerof2) - 1) & ~((powerof2) - 1)) #define ROUNDUPBLOCKS(bytesize) ((bytesize + NORMAL_ENTRY_SIZE-1) & ~(NORMAL_ENTRY_SIZE-1)) #define ROUNDUPDWORD(bytesize) ((bytesize + sizeof(DWORD)-1) & ~(sizeof(DWORD)-1)) #define ROUNDUPPAGE(bytesize) ((bytesize + PAGE_SIZE-1) & ~(PAGE_SIZE-1)) #define NUMBLOCKS(bytesize) (bytesize / NORMAL_ENTRY_SIZE) // Power of 2 macros #define ISPOWEROF2(val) (!((val) & ((val)-1))) #define ASSERT_ISPOWEROF2(val) INET_ASSERT(ISPOWEROF2(val)) #define URL_CACHE_VERSION_NUM sizeof(CACHE_ENTRY_INFO); // Default profiles directory under %SystemRoot%. #define DEFAULT_PROFILES_DIRECTORY TEXT("Profiles") // // Registry key and value names for persistent URL management. // // BUGBUG - wasting space. #define MS_BASE TEXT("Software\\Microsoft") #define CV_BASE MS_BASE TEXT("\\Windows\\CurrentVersion") #define EX_BASE TEXT("\\Explorer") #define IS_BASE TEXT("\\Internet Settings") #define CACHE_T TEXT("\\Cache") #define SHELL_FOLDER_KEY CV_BASE EX_BASE TEXT("\\Shell Folders") #define USER_SHELL_FOLDER_KEY CV_BASE EX_BASE TEXT("\\User Shell Folders") #define CACHE5_KEY CV_BASE IS_BASE TEXT("\\5.0") CACHE_T #define IDENTITIES_KEY CV_BASE IS_BASE TEXT("\\5.0\\Identities") #define OLD_CACHE_KEY CV_BASE IS_BASE CACHE_T #define CACHE_PATHS_FULL_KEY CV_BASE IS_BASE CACHE_T TEXT("\\Paths") #define RUN_ONCE_KEY CV_BASE TEXT("\\RunOnce") #define PROFILELESS_USF_KEY TEXT(".Default\\") USER_SHELL_FOLDER_KEY #define CONTENT_CACHE_HARD_NAME TEXT("Content.IE5") #define OLD_VERSION_KEY MS_BASE TEXT("\\IE Setup\\SETUP") #define OLD_VERSION_VALUE TEXT("UpgradeFromIESysFile") // from wininet\inetui\inetui.rc #define IDS_CACHE_DEFAULT_SUBDIR "Temporary Internet Files" #define IDS_COOKIES_DEFAULT_SUBDIR "Cookies" #define IDS_HISTORY_DEFAULT_SUBDIR "History" #define IDS_CACHE_DEFAULT_SUBDIR_UNIX "TempInternetFiles" // // Cache parameters // #ifndef unix #define PATH_CONNECT_STRING TEXT("\\") #define PATH_CONNECT_CHAR TEXT('\\') #define ALLFILES_WILDCARD_STRING TEXT("*.*") #define UNIX_RETURN_IF_READONLY_CACHE #define UNIX_RETURN_ERR_IF_READONLY_CACHE(error) #define UNIX_NORMALIZE_PATH_ALWAYS(szOrigPath, szEnvVar) #define UNIX_NORMALIZE_IF_CACHE_PATH(szOrigPath, szEnvVar, szKeyName) #else #define PATH_CONNECT_STRING TEXT("/") #define PATH_CONNECT_CHAR TEXT('/') #define ALLFILES_WILDCARD_STRING TEXT("*") #define UNIX_RETURN_IF_READONLY_CACHE { \ if (g_ReadOnlyCaches) \ return; \ } #define UNIX_RETURN_ERR_IF_READONLY_CACHE(error) { \ if (g_ReadOnlyCaches)\ return (error); \ } #define UNIX_NORMALIZE_PATH_ALWAYS(szOrigPath, szEnvVar) \ UnixNormalisePath(szOrigPath, szEnvVar); #define UNIX_NORMALIZE_IF_CACHE_PATH(szOrigPath, szEnvVar, szKeyName) \ UnixNormaliseIfCachePath(szOrigPath, szEnvVar, szKeyName); #define UNIX_SHARED_CACHE_PATH TEXT("%HOME%/.microsoft") #endif /* !unix */ #define CACHE_PERSISTENT TEXT("Persistent") // Retrieval methods #define RETRIEVE_WITHOUT_CHECKS 0 #define RETRIEVE_WITH_CHECKS 1 #define RETRIEVE_WITH_ALLOCATION 2 #define RETRIEVE_ONLY_FILENAME 4 #define RETRIEVE_ONLY_STRUCT_INFO 8 // // Multiple URL containters can be configured under the above key such // as : // // Cache\Paths\Path1 // Cache\Paths\Path2 // ... // // Each containter will have the following two parameters. // // CConMgr related defines. #define CACHE_PATHS_KEY TEXT("Paths") #define CACHE_PATH_VALUE TEXT("CachePath") #define CACHE_PATH_VALUE_TYPE REG_SZ #define CACHE_LIMIT_VALUE TEXT("CacheLimit") #define CACHE_LIMIT_VALUE_TYPE REG_DWORD #define CACHE_OPTIONS_VALUE TEXT("CacheOptions") #define CACHE_OPTIONS_VALUE_TYPE REG_DWORD #define CACHE_PATCH_VALUE TEXT("CacheRepair") #define CACHE_PATCH_VALUE_TYPE REG_DWORD #define EXTENSIBLE_CACHE_PATH_KEY "Extensible Cache" #define CONTENT_PATH_KEY "Content" #define COOKIE_PATH_KEY "Cookies" #define HISTORY_PATH_KEY "History" #define URL_HISTORY_KEY "Url History" #define PER_USER_KEY "PerUserItem" #define PROFILES_ENABLED_VALUE "Network\\Logon" #define PROFILES_ENABLED "UserProfiles" #define PROFILES_PATH_VALUE CV_BASE "\\ProfileList" #define PROFILES_PATH "ProfileImagePath" #define CONTENT_PREFIX "" #define COOKIE_PREFIX "Cookie:" #define HISTORY_PREFIX "Visited:" #define CONTENT_VERSION_SUBDIR "Content.IE5" #define IE3_COOKIES_PATH_KEY OLD_CACHE_KEY TEXT("\\Special Paths\\Cookies") #define IE3_HISTORY_PATH_KEY OLD_CACHE_KEY TEXT("\\Special Paths\\History") #define IE3_PATCHED_USER_KEY TEXT("Patched User") #define CACHE_SPECIAL_PATHS_KEY TEXT("Special Paths") #define CACHE_DIRECTORY_VALUE TEXT("Directory") #define CACHE_DIRECTORY_TYPE REG_EXPAND_SZ #define CACHE_NEWDIR_VALUE TEXT("NewDirectory") #define CACHE_NEWDIR_TYPE REG_EXPAND_SZ #define CACHE_PREFIX_VALUE TEXT("CachePrefix") #define CACHE_PREFIX_MAP_VALUE "PrefixMap" #define CACHE_VOLUME_LABLE_VALUE "VolumeLabel" #define CACHE_VOLUME_TITLE_VALUE "VolumeTitle" #define CACHE_PREFIX_TYPE REG_SZ #define NEW_DIR TEXT("NewDirectory") #define USER_PROFILE_SZ "%USERPROFILE%" #define USER_PROFILE_LEN (sizeof(USER_PROFILE_SZ) - 1) // URL_CONTAINER related defines. #define DEF_NUM_PATHS 4 #define DEF_CACHE_LIMIT (2048 * DEF_NUM_PATHS) #define NO_SPECIAL_CONTAINER 0xffffffff #define MAX_ENTRY_SIZE 0xFFFF #define LONGLONG_TO_FILETIME( _p_ ) ((FILETIME *)(_p_)) // Content limit defines. #define OLD_CONTENT_QUOTA_DEFAULT_DISK_FRACTION 64 #define NEW_CONTENT_QUOTA_DEFAULT_DISK_FRACTION 32 #define CONTENT_QUOTA_ADJUST_CHECK "QuotaAdjustCheck" // CD Container related defines. #define INTERNET_CACHE_CONTAINER_PREFIXMAP INTERNET_CACHE_CONTAINER_RESERVED1 #define MAX_FILE_SIZE_TO_MIGRATE 50000 #define MAX_EXTENSION_LEN 3 // FileMgr related defines. #define DEFAULT_DIR_TABLE_GROW_SIZE 4 #define DEFAULT_MAX_DIRS 32 #define MAX_FILES_PER_CACHE_DIRECTORY 1024 #define MAX_COLLISSION_ATTEMPTS 150 #define INSTALLED_DIRECTORY_KEY 0xFF #define NOT_A_CACHE_SUBDIRECTORY 0XFE #ifdef CHECKLOCK_PARANOID void CheckEnterCritical(CRITICAL_SECTION *_cs); void CheckLeaveCritical(CRITICAL_SECTION *_cs); #define ENTERCRITICAL CheckEnterCritical #define LEAVECRITICAL CheckLeaveCritical #else #define ENTERCRITICAL EnterCriticalSection #define LEAVECRITICAL LeaveCriticalSection #endif // Cache global variable lock -- this should not be entered while holding // lower-level locks like URL_CONTAINER::LockContainer cross-process mutex. #define LOCK_CACHE() ENTERCRITICAL( &GlobalCacheCritSect ) #define UNLOCK_CACHE() LEAVECRITICAL( &GlobalCacheCritSect ) // // parameter check macros. // #define IsBadUrl( _x_ ) IsBadStringPtrA( _x_, (DWORD) -1) #define IsBadUrlW( _x_ ) IsBadStringPtrW( _x_, (DWORD) -1) #define IsBadReadFileName( _x_ ) IsBadStringPtr( _x_, MAX_PATH ) #define IsBadWriteFileName( _x_ ) IsBadWritePtr( (PVOID)_x_, MAX_PATH) #define IsBadWriteBoolPtr( _x_ ) IsBadWritePtr( _x_, sizeof(BOOL)) #define IsBadReadUrlInfo( _x_ ) IsBadReadPtr( _x_, sizeof(CACHE_ENTRY_INFO)) #define IsBadWriteUrlInfo( _x_, _y_ ) IsBadWritePtr( _x_, _y_ ) #define MAX_URL_ENTRIES (BIT_MAP_ARRAY_SIZE * sizeof(DWORD) * 8) #define OFFSET_TO_POINTER( _ep_, _offset_) \ (LPVOID)((LPBYTE)(_ep_) + (_offset_)) #define FIND_FLAGS_OLD_SEMANTICS 0x1 #define FIND_FLAGS_RETRIEVE_ONLY_STRUCT_INFO 0x2 #define FIND_FLAGS_RETRIEVE_ONLY_FIXED_AND_FILENAME 0x04 //---------------- BUGBUG : for History Only ------------------------------- #define MAX_FILETIME 0x7fffffffffffffff #define MAX_DOSTIME -1 //---------------- END BUGBUG ---------------------------------------------- // // ----------------- Allocation entry header -----------------------------// // #define SIG_FREE 0xbadf00d #define SIG_ALLOC 0xdeadbeef #define SIG_URL ' LRU' // URL_FILEMAP_ENTRY #define SIG_REDIR 'RDER' // REDR_FILEMAP_ENTRY #define SIG_LEAK 'KAEL' // URL_FILEMAP_ENTRY #define SIG_GLIST 'GLST' // LIST_GROUP_ENTRY // signatures for entries placed on fixup list #define SIG_UPDATE ' DPU' // URL_FILEMAP_ENTRY #define SIG_DELETE ' LED' // URL_FILEMAP_ENTRY enum MemMapStatus { MEMMAP_STATUS_OPENED_EXISTING = 0, MEMMAP_STATUS_REINITIALIZED = 1 }; typedef struct FILEMAP_ENTRY { DWORD dwSig; DWORD nBlocks; } *LPFILEMAP_ENTRY; struct LIST_FILEMAP_ENTRY : FILEMAP_ENTRY { DWORD dwNext; // offset to next element in list DWORD nBlock; // sequence number for this block }; // // URL entry // struct IE5_URL_FILEMAP_ENTRY : FILEMAP_ENTRY { LONGLONG LastModifiedTime; // must be LONGLONG LONGLONG LastAccessedTime; // should be DWORD DWORD dostExpireTime; DWORD dostPostCheckTime; DWORD dwFileSize; DWORD dwRedirHashItemOffset; // ask DanpoZ DWORD dwGroupOffset; union { DWORD dwExemptDelta; // for SIG_URL DWORD dwNextLeak; // for SIG_LEAK }; DWORD CopySize; // should be WORD DWORD UrlNameOffset; // should be WORD BYTE DirIndex; // subdirectory bucket BYTE bSyncState; // automatic sync mode state BYTE bVerCreate; // cache version that created this entry BYTE bVerUpdate; // cache version last updated this entry (unused) DWORD InternalFileNameOffset; // should be WORD DWORD CacheEntryType; DWORD HeaderInfoOffset; // should be WORD DWORD HeaderInfoSize; // should be WORD DWORD FileExtensionOffset; // should be WORD DWORD dostLastSyncTime; DWORD NumAccessed; // should be WORD DWORD NumReferences; // should be WORD DWORD dostFileCreationTime; // should be LONGLONG? // Do not extend this structure; use inheritance instead. }; struct IE6_URL_FILEMAP_ENTRY : IE5_URL_FILEMAP_ENTRY { DWORD dwIdentity; DWORD GetIdentity() { return (bVerCreate>=ENTRY_VERSION_IE6) ? dwIdentity : 0; } }; typedef IE6_URL_FILEMAP_ENTRY URL_FILEMAP_ENTRY, *LPURL_FILEMAP_ENTRY; // FILETIME is measured in 100-ns units. #define FILETIME_SEC ((LONGLONG) 10000000) #define FILETIME_DAY (FILETIME_SEC * 60 * 60 * 24) // Possible values for bSyncState: #define SYNCSTATE_VOLATILE 0 // once zero, stuck at zero #define SYNCSTATE_IMAGE 1 // eligible to increment after MIN_AGESYNC #define SYNCSTATE_STATIC 6 // max value // Parameters controlling transition from _IMAGE to _VOLATILE. // #define MIN_AGESYNC ((LONGLONG) 5 * 60 * 10000000) // 5 min in filetime #define MIN_AGESYNC (FILETIME_DAY * 7) // // Redirect Entry // struct REDIR_FILEMAP_ENTRY : FILEMAP_ENTRY { DWORD dwItemOffset; // offset to hash table item of destination URL DWORD dwHashValue; // destination URL hash value (BUGBUG: collisions?) char szUrl[4]; // original URL, can occupy more bytes }; // // Group Record // typedef struct GROUP_ENTRY { GROUPID gid; DWORD dwGroupFlags; DWORD dwGroupType; LONGLONG llDiskUsage; // in Bytes (Actual Usage) DWORD dwDiskQuota; // in KB DWORD dwGroupNameOffset; DWORD dwGroupStorageOffset; } *LPGROUP_ENTRY; #define PAGE_SIZE_FOR_GROUPS (PAGE_SIZE - sizeof(FILEMAP_ENTRY)) #define GROUPS_PER_PAGE PAGE_SIZE_FOR_GROUPS / sizeof(GROUP_ENTRY) typedef struct _GROUP_DATA_ENTRY { CHAR szName[GROUPNAME_MAX_LENGTH]; DWORD dwOwnerStorage[GROUP_OWNER_STORAGE_SIZE]; DWORD dwOffsetNext; } GROUP_DATA_ENTRY, *LPGROUP_DATA_ENTRY; #define GROUPS_DATA_PER_PAGE PAGE_SIZE_FOR_GROUPS / sizeof(GROUP_DATA_ENTRY) // // so the sizeof(GROUPS_PAGE_FILEMAP_ENTRY) = PAGE_SIZE // this is the allocation unit for groups entry // typedef struct _GROUPS_ALLOC_FILEMAP_ENTRY : FILEMAP_ENTRY { BYTE pGroupBlock[PAGE_SIZE_FOR_GROUPS]; } GROUPS_ALLOC_FILEMAP_ENTRY, *LPGROUPS_ALLOC_FILEMAP_ENTRY; typedef struct _LIST_GROUP_ENTRY { DWORD dwGroupOffset; DWORD dwNext; } LIST_GROUP_ENTRY, *LPLIST_GROUP_ENTRY; #define LIST_GROUPS_PER_PAGE PAGE_SIZE_FOR_GROUPS / sizeof(LIST_GROUP_ENTRY) #define SIGNATURE_CONTAINER_FIND 0xFAFAFAFA #define SIG_CACHE_FIND 0XFBFBFBFB #define SIG_GROUP_FIND 0XFCFCFCFC typedef struct _CONTAINER_FIND_FIRST_HANDLE { DWORD dwSignature; DWORD dwNumContainers; DWORD dwContainer; LPSTR *ppNames; LPSTR *ppPrefixes; LPSTR *ppLabels; LPSTR *ppTitles; // DATA follows for Names, Prefixes, Volume labels and Volume titles. } CONTAINER_FIND_FIRST_HANDLE, *LPCONTAINER_FIND_FIRST_HANDLE; typedef struct _CACHE_FIND_FIRST_HANDLE { DWORD dwSig; BOOL fFixed; DWORD nIdx; DWORD dwHandle; GROUPID GroupId; DWORD dwFilter; DWORD dwFlags; } CACHE_FIND_FIRST_HANDLE, *LPCACHE_FIND_FIRST_HANDLE; typedef struct _CACHE_STREAM_CONTEXT_HANDLE { HANDLE FileHandle; LPSTR SourceUrlName; } CACHE_STREAM_CONTEXT_HANDLE, *LPCACHE_STREAM_CONTEXT_HANDLE; typedef struct _GROUP_FIND_FIRST_HANDLE : CACHE_FIND_FIRST_HANDLE { DWORD dwLastItemOffset; } GROUP_FIND_FIRST_HANDLE, *LPGROUP_FIND_FIRST_HANDLE; #define OFFSET_NO_MORE_GROUP -1 #define GID_INDEX_TO_NEXT_PAGE -1 #define OFFSET_TO_NEXT_PAGE -1 #define GID_MASK 0x0fffffffffffffff #define GID_STICKY_BIT 0x1000000000000000 #define IsStickyGroup(gid) (gid & GID_STICKY_BIT) #define SetStickyBit(gid) (gid | GID_STICKY_BIT) #define IsInvalidGroup(gid) (gid & 0xE000000000000000) // // RealFileSize() - given the actual filesize, // this macro computes the approximate real space that a file takes up // on the disk. It only takes care of rounding to the cluster size // It doesn't take into account any per-file overhead used in the filesystem // #define RealFileSize(fs) ((LONGLONG) (fs + _ClusterSizeMinusOne) & _ClusterSizeMask) #define MUTEX_DBG_TIMEOUT 5 * 1000 // 5 secs. #define URLCACHE_OP_SET_STICKY 1 #define URLCACHE_OP_UNSET_STICKY 2 #ifdef unix extern BOOL CreateAtomicCacheLockFile(BOOL *pfReadOnlyCaches, char **pszLockingHost); extern BOOL DeleteAtomicCacheLockFile(); extern void UnixNormalisePath(LPTSTR pszOrigPath, LPCTSTR pszEnvVar); extern void UnixNormaliseIfCachePath(LPTSTR pszOrigPath, LPCTSTR pszEnvVar,LPCTSTR szKeyName); extern int CopyDir(const char* src_dir, const char* dest_dir); #endif /* unix */ extern VOID FileTime2DosTime(FILETIME, DWORD*); extern VOID DosTime2FileTime(DWORD, FILETIME*); #endif // _CACHEDEF_