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