| /* zmodem.h - ZMODEM protocol constants |
| |
| Copyright (C) until 1998 Chuck Forsberg (OMEN Technology Inc) |
| Copyright (C) 1996, 1997 Uwe Ohse |
| |
| 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, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. |
| |
| * 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 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, unused in lrzsz */ |
| #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 */ |
| |
| /* Globals used by ZMODEM functions */ |
| #if 0 |
| extern int Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame received */ |
| extern int Rxtype; /* Type of header received */ |
| extern int Zrwindow; /* RX window size (controls garbage count) */ |
| extern char Rxhdr[4]; /* Received header */ |
| extern char Txhdr[4]; /* Transmitted header */ |
| 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 */ |
| #endif |
| |
| /* End of ZMODEM.H */ |
