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/*****************************************************************************/ /* file.h */ /*****************************************************************************/ #ifndef FILE_H_LOADED #define FILE_H_LOADED 1 #include "strdsc.h" #include "wasd.h" /**********/ /* macros */ /**********/ /* default maximum file size 2048 blocks, ~1MB */ #define FILE_TYPE_DEFAULT_SIZE_MAX 2048*512 /* maximum size of .ISMAP file, 64 blocks, ~32kB */ #define FILE_TYPE_ISMAP_SIZE_MAX 64*512 /* 64 blocks, ~32kB */ #define FILE_TYPE_MENU_SIZE_MAX 64*512 /* 256 blocks, ~128kB */ #define FILE_TYPE_README_SIZE_MAX 256*512 /* 256 blocks, ~128kB */ #define FILE_TYPE_SSI_SIZE_MAX 256*512 /* 16 blocks, ~8kB */ #define FILE_TYPE_URL_SIZE_MAX 16*512 /* ambit dynamically allocated string space when negotiating file language */ #define FILE_ACCEPT_LANG_SIZE 256 /* maximum size of language variant string (larger is obviously not) */ #define FILE_ACCEPT_LANG_VARIANT_MAX 5 #define FILE_VAR_ASIS 1 /* transferred EXACTLY as-is on disk */ /* when converting variable length records */ #define FILE_VAR_DEFAULT 2 #define FILE_VAR_CRLF 3 #define FILE_VAR_LF 4 /* default format also */ #define FILE_VAR_NONE 5 /**************/ /* structures */ /**************/ #pragma member_alignment __save #pragma member_alignment typedef struct FileContentsStruct FILE_CONTENT; struct FileContentsStruct { int /* count during load, and final length of contents */ ContentLength, /* contents buffer space remaining (complement to 'ContentLength') */ ContentRemaining, /* contents buffer size (total originally allocated memory) */ ContentSize, /* limit on content size */ ContentSizeMax, /* fairly obvious */ FileNameLength; int64 CdtTime64, RdtTime64; unsigned short UicGroup, UicMember, Protection; char /* buffer (pointer to allocated memory, see note below) */ *ContentPtr, /* pointer to current position in buffer */ *CurrentPtr; char /* file name stored locally */ FileName [ODS_MAX_FILE_NAME_LENGTH+1]; REQUEST_AST /* the address of the function processing this content */ ContentHandlerFunction, /* passes on next task that was passed to FileBegin() */ NextTaskFunction; /* contents are straight after this and pointed to by 'ContentPtr' */ }; typedef struct FileTaskStruct FILE_TASK; struct FileTaskStruct { BOOL /* a lower case alphabetic was detected in the file name */ AcceptLangLowerCase, /* authorize the path to the filename before processing */ AuthorizePath, /* caching of this file is allowed */ CacheAllowed, /* when true HTML-forbidden characters are escaped */ EscapeHtml, /* when true a file's contents are enclosed in <PRE></PRE> tags */ PreTagFileContents, /* when a file's contents have been <PRE>ed, end with </PRE> tag */ PreTagEndFileContents, /* WATCHed the type of variable record carriage-control */ WatchVarRecordCC; int /* current used from memory allocated */ AcceptLangTypesLength, /* amount of memory allocated */ AcceptLangTypesSize, /* size of buffer for escaping HTML */ EscapeHtmlSize, /* maximum file size allowed when buffering a file's contents */ FileContentsSizeMax, /* fairly obvious */ FileNameLength, /* kludge for (so far) mysterious stall */ NextBlocksTickSecond, /* note when a search-list has been searched for the file */ SearchListCount, /* buffer for most recent task status */ TaskStatusBuffer; char /* HTTP/1.1 entity tag */ EntityTag [ENTITY_TAG_MAX+1], /* file name stored locally */ FileName [ODS_MAX_FILE_NAME_LENGTH+1]; char /* points to where the language variant wildcard was added */ *AcceptLangVariantPtr, /* when negotiating language contains searched-for types */ *AcceptLangTypesPtr, /* pointer to MIME content-type */ *ContentTypePtr; /* MD5 hash of the resource */ MD5_HASH Md5Hash; /* structure for file system access */ ODS_STRUCT FileOds; /* structure used for escaping HTML */ STR_DSC BufferDsc; /* success and file-not-found handlers */ REQUEST_AST ContentHandlerFunction, NextTaskFunction, NoSuchFileFunction; }; #pragma member_alignment __restore /***********************/ /* function prototypes */ /***********************/ FileAcceptLangBegin (REQUEST_STRUCT*, char*); FileAcceptLangDefault (REQUEST_STRUCT*); FileAcceptLangParseAst (REQUEST_STRUCT*); FileAcceptLangSearchAst (REQUEST_STRUCT*); FileAcceptLangSelect (REQUEST_STRUCT*); FileAccessAst (REQUEST_STRUCT*); FileAcpInfo (REQUEST_STRUCT*); FileAcpInfoAst (REQUEST_STRUCT*); FileAuthorizationAst (REQUEST_STRUCT*); FileBegin (REQUEST_STRUCT*, REQUEST_AST, REQUEST_AST, MD5_HASH*, char*, char*); FileConnectAst (struct RAB*); FileContentsBuffer (REQUEST_STRUCT*, REQUEST_AST, char*, int); FileEnd (REQUEST_STRUCT*); FileFixedRecordNoSpan (REQUEST_STRUCT*); FileGenerateEntityTag (char*, FILE_QIO*); FileHttpHeader (REQUEST_STRUCT*, int, char*, int); FileNextBlocks (REQUEST_STRUCT*); FileNextBlocksAst (REQUEST_STRUCT*); FileOpen (FILE_TASK*); FileParse (REQUEST_STRUCT*); FileParseAst (REQUEST_STRUCT*); BOOL FileResponseHeader (REQUEST_STRUCT*, char*, int64, unsigned long*); void FileSetAuthorizePath (REQUEST_STRUCT*, BOOL); void FileSetCacheAllowed (REQUEST_STRUCT*, BOOL); void FileSetContentHandler (REQUEST_STRUCT*, REQUEST_AST, int); void FileSetEscapeHtml (REQUEST_STRUCT*, BOOL); void FileSetPreTag (REQUEST_STRUCT*, BOOL); char* FileSetCharset (REQUEST_STRUCT*, char*); FileVariableRecord (REQUEST_STRUCT*); #endif /* FILE_H_LOADED */ /*****************************************************************************/