/* * binkleyforce -- unix FTN mailer project * * Copyright (c) 1998-2000 Alexander Belkin, 2:5020/1398.11 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * $Id$ * * 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 */ #ifndef _P_ZMODEM_H_ #define _P_ZMODEM_H_ #include "prot_common.h" /* ------------------------------------------------------------------------- */ /* Z-Modem chracteristics definitions */ /* ------------------------------------------------------------------------- */ #define ZDEADTIMER 180 /* If expired think remote side is dead */ #define ZRXTIMEOUT 120 /* Time to wait for receiving whole block */ #define ZWAITTIME 30 /* Time to wait for character */ #define ZMAXBLOCKLEN 8192 /* Maximal zmodem RX/TX block size */ #define ZMAXTRIES 10 /* Maximal number of tries to do somthing */ #define ZRXSKIPFIN 2 /* Number of ZFINs to ignore at start up */ #define ZMAXFNAME 4096 /* Max. file name, to avoid txbuf overflow */ /* ------------------------------------------------------------------------- */ /* Z-Modem constants definition */ /* ------------------------------------------------------------------------- */ #define ZPAD '*' /* 052 Padding character begins frames */ #define ZDLE 030 /* Ctrl-X Zmodem escape - `ala BISYNC DLE */ #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 ZCRCERR -5 /* CRC error */ #define ZERROR -4 /* Miscelaneouse errors */ #define ZEXIT -3 /* Critical errors */ #define ZHANGUP -2 /* No Carrier */ #define ZTIMER -1 /* Time out waiting for smth. */ #define ZOK 0 /* All right */ /* * TTY_TIMEOUT -1 \ * TTY_HANGUP -2 > defined in ttyio.h * TTY_ERROR -3 / */ #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 0x01 /* Rx can send and receive true FDX */ #define CANOVIO 0x02 /* Rx can receive data during disk I/O */ #define CANBRK 0x04 /* Rx can send a break signal */ #define CANCRY 0x08 /* Receiver can decrypt */ #define CANLZW 0x10 /* Receiver can uncompress */ #define CANFC32 0x20 /* Receiver can use 32 bit Frame Check */ #define ESCCTL 0x40 /* Receiver expects ctl chars to be escaped */ #define ESC8 0x80 /* Receiver expects 8th bit to be escaped */ /* ------------------------------------------------------------------------- */ /* Bit Masks for ZRINIT flags byze ZF1 */ /* ------------------------------------------------------------------------- */ #define ZF1_CANVHDR 0x01 /* Variable headers OK */ #define ZF1_TIMESYNC 0x02 /* nonstandard, Receiver request timesync */ /* ------------------------------------------------------------------------- */ /* 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 ZF1_ZMSKNOLOC 0x80 /* Skip file if not present at rx */ /* ------------------------------------------------------------------------- */ /* Management options, one of these ored in ZF1 */ /* ------------------------------------------------------------------------- */ #define ZF1_ZMMASK 0x1f /* Mask for the choices below */ #define ZF1_ZMNEWL 1 /* Transfer if source newer or longer */ #define ZF1_ZMCRC 2 /* Transfer if different file CRC or length */ #define ZF1_ZMAPND 3 /* Append contents to existing file (if any) */ #define ZF1_ZMCLOB 4 /* Replace existing file */ #define ZF1_ZMNEW 5 /* Transfer if source newer */ /* Number 5 is alive ... */ #define ZF1_ZMDIFF 6 /* Transfer if dates or lengths different */ #define ZF1_ZMPROT 7 /* Protect destination file */ #define ZF1_ZMCHNG 8 /* Change filename if destination exists */ /* ------------------------------------------------------------------------- */ /* 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 */ /* ------------------------------------------------------------------------- */ /* Z-Modem globals */ /* ------------------------------------------------------------------------- */ extern int Z_Rxexp; /* True means timer expired */ extern int Z_Rxtout; /* Seconds to wait for receiving whole block */ extern int Z_Rxwait; /* Seconds to wait for character available */ extern int Z_Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame r-ed */ extern int Z_Rxtype; /* Type of header received */ extern int Z_Rxcount; /* Count of data bytes received */ extern int Z_Txnulls; /* Number of nulls to send at beg. of ZDATA */ extern char Z_Rxhdr[4]; /* Received header */ extern char Z_Txhdr[4]; /* Transmitted header */ extern long Z_Rxpos; /* Received file position */ extern int Z_Txfcs32; /* TRUE means send binary frames with 32 bit FCS */ extern int Z_Txcrc32; /* Display flag ind. 32 bit CRC being sent */ extern int Z_Rxcrc32; /* Display flag ind. 32 bit CRC being r-ed */ extern char Z_Attn[ZATTNLEN+1]; /* Attention string rx sends to tx on err */ extern int Z_Ctlesc; /* Encode control characters */ extern int Z_Lastsent; /* Character we sent last */ //extern int Z_Dirzap; /* Direct ZedZap (don't escape XON/XOFF) */ /* ------------------------------------------------------------------------- */ /* Z-Modem primitives (look p_zmmisc.c for them) */ /* ------------------------------------------------------------------------- */ void setalarm(int sec); int zsendline(char c); int zsbhdr(int type, char *hdr); int zshhdr(int type, char *hdr); int zsdata(const char *buf, int length, int frameend, long pos); int zrdata(char *buf, int length, long pos); int zgethdr(char *hdr); void stohdr(char *hdr, long pos); long rclhdr(char *hdr); int tx_zmodem(s_protinfo *pi, bool caller); int rx_zmodem(s_protinfo *pi, bool caller); #endif