162 lines
6.5 KiB
C
162 lines
6.5 KiB
C
/*
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* Z M O D E M . H Manifest constants for ZMODEM
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* application to application file transfer protocol
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* 05-23-87 Chuck Forsberg Omen Technology Inc
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*/
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#define ZPAD '*' /* 052 Padding character begins frames */
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#define ZDLE 030 /* Ctrl-X Zmodem escape - `ala BISYNC DLE */
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#define ZDLEE (ZDLE^0100) /* Escaped ZDLE as transmitted */
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#define ZBIN 'A' /* Binary frame indicator */
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#define ZHEX 'B' /* HEX frame indicator */
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#define ZBIN32 'C' /* Binary frame with 32 bit FCS */
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/* Frame types (see array "frametypes" in zm.c) */
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#define ZRQINIT 0 /* Request receive init */
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#define ZRINIT 1 /* Receive init */
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#define ZSINIT 2 /* Send init sequence (optional) */
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#define ZACK 3 /* ACK to above */
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#define ZFILE 4 /* File name from sender */
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#define ZSKIP 5 /* To sender: skip this file */
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#define ZNAK 6 /* Last packet was garbled */
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#define ZABORT 7 /* Abort batch transfers */
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#define ZFIN 8 /* Finish session */
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#define ZRPOS 9 /* Resume data trans at this position */
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#define ZDATA 10 /* Data packet(s) follow */
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#define ZEOF 11 /* End of file */
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#define ZFERR 12 /* Fatal Read or Write error Detected */
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#define ZCRC 13 /* Request for file CRC and response */
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#define ZCHALLENGE 14 /* Receiver's Challenge */
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#define ZCOMPL 15 /* Request is complete */
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#define ZCAN 16 /* Other end canned session with CAN*5 */
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#define ZFREECNT 17 /* Request for free bytes on filesystem */
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#define ZCOMMAND 18 /* Command from sending program */
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#define ZSTDERR 19 /* Output to standard error, data follows */
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/* ZDLE sequences */
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#define ZCRCE 'h' /* CRC next, frame ends, header packet follows */
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#define ZCRCG 'i' /* CRC next, frame continues nonstop */
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#define ZCRCQ 'j' /* CRC next, frame continues, ZACK expected */
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#define ZCRCW 'k' /* CRC next, ZACK expected, end of frame */
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#define ZRUB0 'l' /* Translate to rubout 0177 */
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#define ZRUB1 'm' /* Translate to rubout 0377 */
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/* zdlread return values (internal) */
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/* -1 is general error, -2 is timeout */
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#define GOTOR 0400
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#define GOTCRCE (ZCRCE|GOTOR) /* ZDLE-ZCRCE received */
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#define GOTCRCG (ZCRCG|GOTOR) /* ZDLE-ZCRCG received */
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#define GOTCRCQ (ZCRCQ|GOTOR) /* ZDLE-ZCRCQ received */
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#define GOTCRCW (ZCRCW|GOTOR) /* ZDLE-ZCRCW received */
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#define GOTCAN (GOTOR|030) /* CAN*5 seen */
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/* Byte positions within header array */
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#define ZF0 3 /* First flags byte */
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#define ZF1 2
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#define ZF2 1
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#define ZF3 0
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#define ZP0 0 /* Low order 8 bits of position */
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#define ZP1 1
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#define ZP2 2
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#define ZP3 3 /* High order 8 bits of file position */
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/* Bit Masks for ZRINIT flags byte ZF0 */
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#define CANFDX 01 /* Rx can send and receive true FDX */
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#define CANOVIO 02 /* Rx can receive data during disk I/O */
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#define CANBRK 04 /* Rx can send a break signal */
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#define CANCRY 010 /* Receiver can decrypt */
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#define CANLZW 020 /* Receiver can uncompress */
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#define CANFC32 040 /* Receiver can use 32 bit Frame Check */
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#define ESCCTL 0100 /* Receiver expects ctl chars to be escaped */
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#define ESC8 0200 /* Receiver expects 8th bit to be escaped */
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/* Parameters for ZSINIT frame */
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#define ZATTNLEN 32 /* Max length of attention string */
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/* Bit Masks for ZSINIT flags byte ZF0 */
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#define TESCCTL 0100 /* Transmitter expects ctl chars to be escaped */
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#define TESC8 0200 /* Transmitter expects 8th bit to be escaped */
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/* Parameters for ZFILE frame */
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/* Conversion options one of these in ZF0 */
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#define ZCBIN 1 /* Binary transfer - inhibit conversion */
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#define ZCNL 2 /* Convert NL to local end of line convention */
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#define ZCRESUM 3 /* Resume interrupted file transfer */
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/* Management include options, one of these ored in ZF1 */
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#define ZMSKNOLOC 0200 /* Skip file if not present at rx */
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/* Management options, one of these ored in ZF1 */
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#define ZMMASK 037 /* Mask for the choices below */
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#define ZMNEWL 1 /* Transfer if source newer or longer */
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#define ZMCRC 2 /* Transfer if different file CRC or length */
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#define ZMAPND 3 /* Append contents to existing file (if any) */
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#define ZMCLOB 4 /* Replace existing file */
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#define ZMNEW 5 /* Transfer if source newer */
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/* Number 5 is alive ... */
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#define ZMDIFF 6 /* Transfer if dates or lengths different */
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#define ZMPROT 7 /* Protect destination file */
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/* Transport options, one of these in ZF2 */
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#define ZTLZW 1 /* Lempel-Ziv compression */
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#define ZTCRYPT 2 /* Encryption */
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#define ZTRLE 3 /* Run Length encoding */
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/* Extended options for ZF3, bit encoded */
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#define ZXSPARS 64 /* Encoding for sparse file operations */
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/* Parameters for ZCOMMAND frame ZF0 (otherwise 0) */
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#define ZCACK1 1 /* Acknowledge, then do command */
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/* Globals used by ZMODEM functions */
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extern Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame received */
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extern Rxtype; /* Type of header received */
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extern Rxcount; /* Count of data bytes received */
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extern Zrwindow; /* RX window size (controls garbage count) */
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extern Rxtimeout; /* Tenths of seconds to wait for something */
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extern char Rxhdr[4]; /* Received header */
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extern char Txhdr[4]; /* Transmitted header */
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extern long Rxpos; /* Received file position */
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extern long Txpos; /* Transmitted file position */
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extern Txfcs32; /* TURE means send binary frames with 32 bit FCS */
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extern Crc32t; /* Display flag indicating 32 bit CRC being sent */
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extern Crc32; /* Display flag indicating 32 bit CRC being received */
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extern Znulls; /* Number of nulls to send at beginning of ZDATA hdr */
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extern char Attn[ZATTNLEN+1]; /* Attention string rx sends to tx on err */
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/* crctab.c */
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_PROTOTYPE(long UPDC32 , (int b , long c ));
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/* rbsb.c */
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_PROTOTYPE(void from_cu , (void));
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_PROTOTYPE(void cucheck , (void));
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_PROTOTYPE(int rdchk , (int f ));
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_PROTOTYPE(int rdchk , (int f ));
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_PROTOTYPE(int mode , (int n ));
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_PROTOTYPE(void sendbrk , (void));
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/* zm.c */
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_PROTOTYPE(void zsbhdr , (int type , char *hdr ));
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_PROTOTYPE(void zsbh32 , (char *hdr , int type ));
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_PROTOTYPE(void zshhdr , (int type , char *hdr ));
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_PROTOTYPE(void zsdata , (char *buf , int length , int frameend ));
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_PROTOTYPE(void zsda32 , (char *buf , int length , int frameend ));
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_PROTOTYPE(int zrdata , (char *buf , int length ));
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_PROTOTYPE(int zrdat32 , (char *buf , int length ));
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_PROTOTYPE(int zgethdr , (char *hdr , int eflag ));
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_PROTOTYPE(int zrbhdr , (char *hdr ));
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_PROTOTYPE(int zrbhdr32 , (char *hdr ));
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_PROTOTYPE(int zrhhdr , (char *hdr ));
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_PROTOTYPE(void zputhex , (int c ));
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_PROTOTYPE(void zsendline , (int c ));
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_PROTOTYPE(int zgethex , (void));
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_PROTOTYPE(int zgeth1 , (void));
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_PROTOTYPE(int zdlread , (void));
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_PROTOTYPE(int noxrd7 , (void));
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_PROTOTYPE(void stohdr , (long pos ));
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_PROTOTYPE(long rclhdr , (char *hdr ));
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/* rz.c sz.c */
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void vfile();
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_PROTOTYPE(void bibi , (int n ));
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/* End of ZMODEM.H */
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