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C/C++ Source or Header | 1993-07-09 | 36.2 KB | 1,041 lines

#ifndef MAC char *versio = "C-Kermit 5A(189), 30 June 93"; /* Version herald. */ #else /* For Macintosh, also remember to change the Mac-specific version in ckmkr2.r. */ char *versio = "Mac Kermit 0.99(189) Pre-ALPHA, 30 June 93"; #endif /* MAC */ long vernum = 501189L; /* String and numeric version numbers, keep these three in sync! First digit of vermum = major version, i.e. 5. Second 2 digits of vernum: 00 = no minor version, 01 = A, 02 = B, etc. Last three digits are edit number. */ #ifndef VERWHO /* Change verwho in following line, or with -DVERWHO=x in makefile CFLAGS. */ #define VERWHO 0 #endif /* VERWHO */ int verwho = VERWHO; /* Who produced this version, 0 = Columbia University */ /* IMPORTANT: If you are working on your own private version of C-Kermit, please include some special notation, like your site name or your initials, in the "versio" string, e.g. "5A(182)-XXX", and use a nonzero code for the "verwho" variable (e.g. in the USA use your zip code). Unless we stick to this discipline, divergent copies of C-Kermit will begin to appear that are intistinguishable from each other, which is a big support issue. Also, if you have edited C-Kermit and made copies available to others, please add appropriate text to the BUG command (ckuus6.c, function dobug()). */ #define CKCMAI /* C K C M A I -- C-Kermit Main program */ /* Author: Frank da Cruz (fdc@columbia.edu, FDCCU@CUVMA.BITNET), Columbia University Academic Information Systems, New York City. COPYRIGHT NOTICE: Copyright (C) 1985, 1993, Trustees of Columbia University in the City of New York. The C-Kermit software may not be, in whole or in part, licensed or sold for profit as a software product itself, nor may it be included in or distributed with commercial products or otherwise distributed by commercial concerns to their clients or customers without written permission of the Office of Kermit Development and Distribution, Columbia University. This copyright notice must not be removed, altered, or obscured. DOCUMENTATION: "Using C-Kermit" by Frank da Cruz and Christine M. Gianone, Digital Press, Burlington, MA, USA. Order Number: EY-J896E-DP Digital Press ISBN: 1-55558-108-0 Prentice Hall ISBN: 0-13-037490-3 Order from DECdirect: +1 800 344-4825 (USA only) Or from Columbia University: +1 212 854-3703 DISCLAIMER: The C-Kermit software is provided in source code form by Kermit Development and Distribution, Columbia University. The software is provided "as is;" no other warranty is provided, express or implied, including without limitations, any implied warranty of merchantability or implied warranty of fitness for a particular purpose. Neither Columbia University nor any of the contributors to the C-Kermit development effort, including, but not limited to, AT&T, Digital Equipment Corporation, Data General Corporation, or International Business Machines Corporation, warrant C-Kermit software or documentation in any way. In addition, neither the authors of any Kermit programs, publications or documentation, nor Columbia University nor any contributing institutions or individuals acknowledge any liability resulting from program or documentation errors. ACKNOWLEDGMENTS: The Kermit file transfer protocol was developed at the Columbia University Center for Computing Activities (CUCCA). It is named after Kermit the Frog, star of the television series THE MUPPET SHOW; the name is used by permission of Henson Associates, Inc. Thanks to at least the following people for their contributions to this program over the years, and apologies to anybody I missed: Chris Adie, Edinburgh U, Scotland (OS/2 support) Robert Adsett, University of Waterloo, Canada Larry Afrin, Clemson U Greg Andrews, Telebit Corp Barry Archer, U of Missouri Robert Andersson, International Systems A/S, Oslo, Norway Chris Armstrong, Brookhaven National Lab (OS/2) William Bader, Software Consulting Services, Nazareth, PA Fuat Baran, CUCCA Stan Barber, Rice U Jim Barbour, U of Colorado Donn Baumgartner, Dell Nelson Beebe, U of Utah Karl Berry, UMB Dean W Bettinger, SUNY Gary Bilkus Marc Boucher, U of Montreal Charles Brooks, EDN Bob Brown Mike Brown, Purdue U Jack Bryans, California State U at Long Beach Mark Buda, DEC (VAX/VMS) Fernando Cabral, Padrao IX, Brasilia, Brazil Bjorn Carlsson, Stockholm University Computer Centre QZ, Sweden Bill Catchings, formerly of CUCCA Bob Cattani, Columbia U CS Dept Davide Cervone, Rochester University Seth Chaiklin, Denmark John Chandler, Harvard U / Smithsonian Astronomical Observatory John L Chmielewski, AT&T, Lisle, IL Howard Chu, U of Michigan Bill Coalson, McDonnell Douglas Bertie Coopersmith, London, UK Chet Creider, University of Western Ontario, Canada Alan Crosswell, CUCCA Jeff Damens, formerly of CUCCA Mark Davies, Bath U, UK Sin-itirou Dezawa, Fujifilm, Japan Joe R. Doupnik, Utah State U Frank Dreano (Honeywell) John Dunlap, University of Washington David Dyck, John Fluke Mfg Co. Stefaan A. Eeckels, Eurokom, Luxembourg Paul Eggert, Twin Sun, Inc., El Segundo, CA Bernie Eiben, DEC Kristoffer Eriksson, Peridot Konsult AB, Oerebro, Sweden John R. Evans, IRS, Kansas City Glenn Everhart, RCA Labs Charlie Finan, Cray Research Herm Fischer, Encino, CA (extensive contributions to version 4.0) Carl Fongheiser, CWRU Marcello Frutig, Catholic University, Sao Paulo, Brazil (X.25 support) Hirofumi Fujii, Japan Nat'l Lab for High Energy Physics, Tokyo (Kanji) Chuck Fuller, Westinghouse Corporate Computer Services Andy Fyfe, Caltech Christine M. Gianone, CUCCA John Gilmore, UC Berkeley William H. Glass German Goldszmidt, IBM Alistair Gorman, New Zealand Richard Gration, ADFA, Australia Chris Green, Essex U, UK Alan Grieg, Dundee Tech, Scotland, UK Yekta Gursel, MIT Jim Guyton, Rand Corp Michael Haertel Bob Hain, UMN Marion Hakanson, ORST John Hamilston, Iowa State U Simon Hania, Netherlands Stan Hanks, Rice U. Ken Harrenstein, SRI Eugenia Harris, Data General (AOS/VS) David Harrison, Kingston Warren Corp James Harvey, Indiana/Purdue U (VMS) Rob Healey Chuck Hedrick, Rutgers U Ron Heiby, Technical Systems Division, Motorola Computer Group Steve Hemminger, Tektronix Christian Hemsing, RWTH Aachen, Germany (OS-9) Andrew Herbert, Monash Univ, Australia Mike Hickey, ITI R E Hill Bill Homer, Cray Research Ray Hunter, The Wollongong Group Randy Huntziger, National Library of Medicine Larry Jacobs, Transarc Steve Jenkins, Lancaster University, UK Dave Johnson, Gradient Technologies Mark B Johnson, Apple Computer Eric F Jones, AT&T Luke Jones, AT&T Peter Jones, U of Quebec Montreal Phil Julian, SAS Institute Peter Kabal, U of Quebec Mic Kaczmarczik, U of Texas at Austin Sergey Kartashoff, Inst. of Precise Mechanics & Computer Equipment, Moscow Howie Kaye, CUCCA Rob Kedoin, Linotype Co, Hauppauge, NY (OS/2) Mark Kennedy, IBM Terry Kennedy, St Peter's College, Jersey City, NJ (VAX/VMS, 2.11 BSD) Douglas Kingston, morgan.com Lawrence Kirby, Wiltshire, UK Tom Kloos, Sequent Computer Systems Jim Knutson, U of Texas at Austin Scott Kramer, SRI International, Menlo Park, CA David Kricker, Encore Computer Thomas Krueger, UWM Bo Kullmar, Central Bank of Sweden, Kista R. Brad Kummer, AT&T Bell Labs, Atlanta, GA John Kunze, UC Berkeley Bob Larson, USC (OS-9) Bert Laverman, Groningen U, Netherlands Steve Layton David Lawyer, UC Irvine David LeVine, National Semiconductor Corporation Daniel S. Lewart, UIUC S.O. Lidie, Lehigh U Tor Lillqvist, Helsinki University, Finland Dean Long Kevin Lowey, U of Saskatchewan (OS/2) Andy Lowry, Columbia University David MacKenzie, Environmental Defense Fund, University of Maryland John Mackin, University of Sidney, Australia Martin Maclaren, Bath U, UK Chris Maio, Columbia U CS Dept Fulvio Marino, Olivetti, Ivrea, Italy Peter Mauzey, AT&T Tye McQueen, Utah State U Ted Medin Hellmuth Michaelis, Hanseatischer Computerservice GmbH, Hamburg, Germany Leslie Mikesell, American Farm Bureau Martin Minow, DEC (VAX/VMS) Pawan Mistra, Bellcore Ken Mizialko, IBM, Manassas, VA Ray Moody, Purdue U Bruce J Moore, Allen-Bradley Co, Highland Heights, OH (Atari ST) Steve Morley, Convex Peter Mossel, Columbia University Tony Movshon, NYU Lou Muccioli, Swanson Analysis Systems Dan Murphy Gary Mussar John Nall, FSU Jack Nelson, University of Pittsburgh Jim Noble, Planning Research Corporation (Macintosh) Ian O'Brien, Bath U, UK John Owens Michael Pins, Iowa Computer Aided Engineering Network Andre' Pirard, University of Liege, Belgium Paul Placeway, Ohio State U (Macintosh & more) Piet W. Plomp, ICCE, Groningen University, Netherlands Ken Poulton, HP Labs Manfred Prange, Oakland U Christopher Pratt, APV Baker, UK Frank Prindle, NADC Tony Querubin, U of Hawaii Anton Rang Scott Ribe Alan Robiette, Oxford University, UK Michel Robitaille, U of Montreal (Mac) Kai Uwe Rommel, Technische Universitaet Muenchen (OS/2) Larry Rosenman (Amiga) Jay Rouman, U of Michigan Jack Rouse, SAS Institute (Data General and/or Apollo) Stew Rubenstein, Harvard U (VAX/VMS) Bill Schilit, Columbia University Michael Schmidt, U of Paderborn, Germany Eric Schnoebelen, Convex Benn Schreiber, DEC Dan Schullman, DEC (modems, DIAL command, etc) John Schultz, 3M Steven Schultz, Contel (PDP-11) APPP Scorer, Leeds Polytechnic, UK Gordon Scott, Micro Focus, Newbury UK Gisbert W. Selke, WIdO, Bonn, Germany David Sizeland, U of London Medical School Fridrik Skulason, Iceland Dave Slate Bradley Smith, UCLA Fred Smith, Merk Richard S Smith, Cal State Ryan Stanisfer, UNT Bertil Stenstroem, Stockholm University Computer Centre (QZ), Sweden James Sturdevant, CAP GEMENI AMERICA, Minneapolis Peter Svanberg, Royal Techn. HS, Sweden James R. Swenson, Accu-Weather, Inc. Andy Tanenbaum, Vrije U, Amsterdam, Netherlands Markku Toijala, Helsinki U of Technology Teemu Torma, Helsinki U of Technology Rick Troxel, NIH Warren Tucker, Tridom Corp, Mountain Park, GA Dave Tweten, AMES-NAS G Uddeborg, Sweden Walter Underwood, Ford Aerospace Pieter Van Der Linden, Centre Mondial, Paris Ge van Geldorp, Netherlands Fred van Kempen, MINIX User Group, Voorhout, Netherlands Wayne Van Pelt, GE/CRD Mark Vasoll, Oklahoma State U (V7 UNIX) Konstantin Vinogradov, ICSTI, Moscow Paul Vixie, DEC Dimitri Vulis, CUNY Roger Wallace, Raytheon Stephen Walton, Calif State U, Northridge (Amiga) Jamie Watson, Adasoft, Switzerland (RS/6000) Rick Watson, U of Texas (Macintosh) Robert Weiner, Programming Plus, New York City Lauren Weinstein, Vortex Technlogy David Wexelblat, AT&T Joachim Wiesel, U of Karlsruhe Lon Willett, U of Utah Michael Williams, UCLA Nate Williams, U of Montana David Wilson Patrick Wolfe, Kuck & Associates, Inc. Gregg Wonderly, Oklahoma State U (V7 UNIX) Farrell Woods, Concurrent (formerly Masscomp) Dave Woolley, CAP Communication Systems, London Jack Woolley, SCT Corp Frank Wortner Ken Yap, U of Rochester John Zeeff, Ann Arbor, MI */ /* ckcsym.h is used for for defining symbols that normally would be defined using -D or -d on the cc command line, for use with compilers that don't support this feature. */ #include "ckcsym.h" #include "ckcasc.h" /* ASCII character symbols */ #include "ckcdeb.h" /* Debug & other symbols */ #include "ckcker.h" /* Kermit symbols */ #include "ckcnet.h" /* Network symbols */ #ifndef NOSPL #include "ckuusr.h" #endif /* NOSPL */ #ifndef NOSERVER /* Text message definitions.. each should be 256 chars long, or less. */ #ifdef MAC char *hlptxt = "\r\ Mac Kermit Server Commands:\r\ \r\ BYE\r\ FINISH\r\ GET filespec\r\ REMOTE CD directory\r\ REMOTE HELP\r\ SEND filespec\r\ \r\0"; #else #ifdef AMIGA char *hlptxt = "C-Kermit Server Commands:\n\ \n\ GET filespec, SEND filespec, FINISH, BYE, REMOTE HELP\n\ \n\0"; #else #ifdef OS2 char *hlptxt = "C-Kermit Server REMOTE Commands:\n\ \n\ GET files REMOTE CD [dir] REMOTE DIRECTORY [files]\n\ SEND files REMOTE SPACE [dir] REMOTE HOST command\n\ FINISH REMOTE DELETE files REMOTE TYPE files\n\ BYE REMOTE HELP REMOTE SET parameter value\n\ \n\0"; #else #ifdef MINIX char *hlptxt = "C-Kermit Server REMOTE Commands:\n\ GET SEND BYE FINISH REMOTE: CD DEL DIR HELP HOST SET SPACE TYPE WHO\n\0"; #else #ifdef VMS char *hlptxt = "C-Kermit Server REMOTE Commands:\r\n\ \r\n\ GET files REMOTE CD [dir] REMOTE DIRECTORY [files]\r\n\ SEND files REMOTE SPACE [dir] REMOTE HOST command\r\n\ MAIL files REMOTE DELETE files REMOTE WHO [user]\r\n\ BYE REMOTE PRINT files REMOTE TYPE files\r\n\ FINISH REMOTE HELP REMOTE SET parameter value\r\n\ \0"; #else #ifdef datageneral char *hlptxt = "C-Kermit Server REMOTE Commands:\n\ \n\ GET files REMOTE CD [dir] REMOTE DIRECTORY [filespec]\n\ SEND files REMOTE SPACE [dir] REMOTE HOST command\n\ BYE REMOTE TYPE file REMOTE DELETE files\n\ FINISH REMOTE WHO REMOTE SET\n\ \0"; #else char *hlptxt = "C-Kermit Server REMOTE Commands:\n\ \n\ GET files REMOTE CD [dir] REMOTE DIRECTORY [files]\n\ SEND files REMOTE SPACE [dir] REMOTE HOST command\n\ MAIL files REMOTE DELETE files REMOTE WHO [user]\n\ BYE REMOTE PRINT files REMOTE TYPE files\n\ FINISH REMOTE HELP REMOTE SET parameter value\n\ \n\0"; #endif #endif #endif #endif #endif #endif #ifdef MINIX char *srvtxt = "\r\n\ Entering server mode.\r\n\0"; #else #ifdef OSK char *srvtxt = "\r\l\ Entering server mode. If your local Kermit software is menu driven, use\r\l\ the menus to send commands to the server. Otherwise, enter the escape\r\l\ sequence to return to your local Kermit prompt and issue commands from\r\l\ there. Use SEND and GET for file transfer. Use REMOTE HELP for a list of\r\l\ other available services. Use BYE or FINISH to end server mode.\r\l\0"; #else /* UNIX, VMS, AOS/VS, and all others */ char *srvtxt = "\r\n\ Entering server mode. If your local Kermit software is menu driven, use\r\n\ the menus to send commands to the server. Otherwise, enter the escape\r\n\ sequence to return to your local Kermit prompt and issue commands from\r\n\ there. Use SEND and GET for file transfer. Use REMOTE HELP for a list of\r\n\ other available services. Use BYE or FINISH to end server mode.\r\n\0"; #endif /* OSK */ #endif /* MINIX */ #else /* server mode disabled */ char *srvtxt = ""; #endif /* NOSERVER */ /* Declarations for Send-Init Parameters */ int spsiz = DSPSIZ, /* Current packet size to send */ spmax = DSPSIZ, /* Biggest packet size we can send */ spsizr = DSPSIZ, /* Send-packet size requested */ spsizf = 0, /* Flag to override size negotiation */ rpsiz = DRPSIZ, /* Biggest we want to receive */ urpsiz = DRPSIZ, /* User-requested receive pkt size */ maxrps = MAXRP, /* Maximum incoming long packet size */ maxsps = MAXSP, /* Maximum outbound l.p. size */ maxtry = MAXTRY, /* Maximum retries per packet */ wslots = 1, /* Window size currently in use */ wslotr = 1, /* Window size from SET WINDOW */ wslotn = 1, /* Window size negotiated in S-pkt */ timeouts = 0, /* For statistics reporting */ spackets = 0, /* ... */ rpackets = 0, /* ... */ retrans = 0, /* ... */ crunched = 0, /* ... */ wmax = 0, /* ... */ wcur = 0, /* ... */ srvdis = 0, /* Server file xfer display */ srvtim = DSRVTIM, /* Server command wait timeout */ /* timint is the timeout interval I use when waiting for a packet. pkttim is the SET RECEIVE TIMEOUT value, sent to the other Kermit. rtimo is the SET SEND TIMEOUT value. rtimo is the initial value of timint. timint is changed by the value in the incoming negotiation packet unless a SET SEND TIMEOUT command was given. */ timint = DMYTIM, /* Timeout interval I use */ pkttim = URTIME, /* Timeout I want you to use */ rtimo = DMYTIM, /* Normal packet wait timeout */ timef = 0, /* Flag to override what you ask */ npad = MYPADN, /* How much padding to send */ mypadn = MYPADN, /* How much padding to ask for */ bctr = 1, /* Block check type requested */ bctu = 1, /* Block check type used */ bctl = 1, /* Block check length */ ebq = MYEBQ, /* 8th bit prefix */ ebqflg = 0, /* 8th-bit quoting flag */ rqf = -1, /* Flag used in 8bq negotiation */ rq = 0, /* Received 8bq bid */ sq = 'Y', /* Sent 8bq bid */ rpt = 0, /* Repeat count */ rptq = MYRPTQ, /* Repeat prefix */ rptflg = 0, /* Repeat processing flag */ rptena = 1, /* Repeat processing enabled */ xfrcan = 1, /* Transfer cancellation enabled */ xfrchr = 3, /* Transfer cancel char = Ctrl-C */ xfrnum = 2; /* Need two of them. */ int capas = 9, /* Position of Capabilities */ atcapb = 8, /* Attribute capability */ atcapr = 1, /* requested */ atcapu = 0, /* used */ swcapb = 4, /* Sliding Window capability */ swcapr = 1, /* requested (allowed) */ swcapu = 0, /* used */ lpcapb = 2, /* Long Packet capability */ lpcapr = 1, /* requested */ lpcapu = 0, /* used */ lscapb = 32, /* Locking Shift capability */ lscapr = 1, /* requested by default */ lscapu = 0; /* used */ /* Flags for whether to use particular attributes */ int atenci = 1, /* Encoding in */ atenco = 1, /* Encoding out */ atdati = 1, /* Date in */ atdato = 1, /* Date out */ atdisi = 1, /* Disposition in/out */ atdiso = 1, atleni = 1, /* Length in/out (both kinds) */ atleno = 1, atblki = 1, /* Blocksize in/out */ atblko = 1, attypi = 1, /* File type in/out */ attypo = 1, atsidi = 1, /* System ID in/out */ atsido = 1, atsysi = 1, /* System-dependent parameters in/out */ atsyso = 1; CHAR padch = MYPADC, /* Padding character to send */ mypadc = MYPADC, /* Padding character to ask for */ seol = MYEOL, /* End-Of-Line character to send */ eol = MYEOL, /* End-Of-Line character to look for */ ctlq = CTLQ, /* Control prefix in incoming data */ myctlq = CTLQ, /* Outbound control character prefix */ myrptq = MYRPTQ; /* Repeat prefix I want to use */ int rptmin = 3; /* Repeat-count minimum */ struct zattr iattr; /* Incoming file attributes */ /* File related variables, mainly for the benefit of VAX/VMS */ int fblksiz = DBLKSIZ; /* File blocksize */ int frecl = DLRECL; /* File record length */ int frecfm = XYFF_S; /* File record format (default = stream) */ int forg = XYFO_S; /* File organization (sequential) */ int fcctrl = XYFP_N; /* File carriage control (ctrl chars) */ #ifdef VMS /* VMS labeled file options */ int lf_opts = LBL_NAM; #else int lf_opts = 0; #endif /* VMS */ /* Packet-related variables */ int pktnum = 0, /* Current packet number */ sndtyp = 0, /* Type of packet just sent */ rcvtyp = 0, /* Type of packet just received */ rsn, /* Received packet sequence number */ rln, /* Received packet length */ size, /* Current size of output pkt data */ osize, /* Previous output packet data size */ maxsize, /* Max size for building data field */ spktl = 0, /* Length packet being sent */ rpktl = 0, /* Length of packet just received */ rprintf, /* REMOTE PRINT flag */ rmailf; /* MAIL flag */ CHAR #ifdef NO_MORE /* Buffers used before sliding windows... */ sndpkt[MAXSP+100], /* Entire packet being sent */ recpkt[MAXRP+200], /* Packet most recently received */ data[MAXSP+4], /* Packet data buffer */ #endif #ifdef DYNAMIC *srvcmd = (CHAR *)0, /* Where to decode server command */ #else srvcmd[MAXRP+4], /* Where to decode server command */ #endif padbuf[95], /* Buffer for send-padding */ *recpkt, *rdatap, /* Pointer to received packet data */ *data = (CHAR *)0, /* Pointer to send-packet data */ *srvptr, /* Pointer to srvcmd */ mystch = SOH, /* Outbound packet-start character */ stchr = SOH; /* Incoming packet-start character */ /* File-related variables */ char filnam[257]; /* Name of current file. */ char cmdfil[80]; /* Application file name. */ int nfils = 0; /* Number of files in file group */ long fsize; /* Size of current file */ int wildxpand = 0; /* Who expands wildcards */ int clfils = 0; /* Flag for command-line files */ int stayflg = 0; /* Flag for "stay", i.e. "-S" */ /* Communication line variables */ char ttname[80]; /* Name of communication line. */ #ifdef MAC int connected = 0; /* true if connected */ int startconnected; /* initial state of connected */ #endif /* MAC */ long speed = -1L; /* Line speed */ int parity = DEFPAR, /* Parity specified, 0,'e','o',etc */ autopar = 0, /* Automatic parity change flag */ sosi = 0, /* Shift-In/Out flag */ flow, /* Flow control */ turn = 0, /* Line turnaround handshake flag */ turnch = XON, /* Line turnaround character */ duplex = 0, /* Duplex, full by default */ escape = DFESC, /* Escape character for connect */ delay = DDELAY, /* Initial delay before sending */ tnlm = 0, /* Terminal newline mode */ mdmtyp = 0; /* Modem type (initially none) */ /* Networks for SET HOST */ #define MYHOSTL 100 char myhost[MYHOSTL]; /* Local host name */ int network = 0; /* Network vs serial connection */ #ifdef NETCONN #ifdef TCPSOCKET int nettype = NET_TCPB; /* Assume TCP/IP (BSD sockets) */ #else #ifdef SUNX25 int nettype = NET_SX25; #else #ifdef DECNET int nettype = NET_DEC; #else int nettype = NET_NONE; #endif /* DECNET */ #endif /* SUNX25 */ #endif /* TCPSOCKET */ #else int nettype = NET_NONE; #endif /* NETCONN */ #ifdef SUNX25 extern initpad(); int revcall = 0; /* X.25 reverse call not selected */ int closgr = -1; /* X.25 closed user group not selected */ int cudata = 0; /* X.25 call user data not specified */ char udata[MAXCUDATA]; /* X.25 call user data */ #endif /* SUNX25 */ /* Other recent additions */ int tlevel = -1; /* Take-file command level */ #ifndef NOSPL extern int cmdlvl; /* Command level */ extern int maclvl; /* Macro invocation level */ #endif /* NOSPL */ int carrier = CAR_AUT; /* Pay attention to carrier signal */ int cdtimo = 0; /* Carrier wait timeout */ int xitsta = GOOD_EXIT; /* Program exit status */ #ifdef VMS /* Default filename collision action */ int fncact = XYFX_X; /* REPLACE for VAX/VMS */ #else int fncact = XYFX_B; /* BACKUP for everybody else */ #endif /* VMS */ int bgset = -1; /* BACKGROUND mode set explicitly */ #ifdef UNIX int suspend = DFSUSP; /* Whether SUSPEND command, etc, */ #else /* is to be allowed. */ int suspend = 0; #endif /* UNIX */ /* Statistics variables */ long filcnt, /* Number of files in transaction */ flci, /* Characters from line, current file */ flco, /* Chars to line, current file */ tlci, /* Chars from line in transaction */ tlco, /* Chars to line in transaction */ ffc, /* Chars to/from current file */ tfc, /* Chars to/from files in transaction */ rptn; /* Repeated characters compressed */ int tsecs = 0; /* Seconds for transaction */ int fsecs = 0; /* Per-file timer */ /* Flags */ int deblog = 0, /* Flag for debug logging */ debses = 0, /* Flag for DEBUG SESSION */ pktlog = 0, /* Flag for packet logging */ seslog = 0, /* Session logging */ tralog = 0, /* Transaction logging */ displa = 0, /* File transfer display on/off */ stdouf = 0, /* Flag for output to stdout */ stdinf = 0, /* Flag for input from stdin */ xflg = 0, /* Flag for X instead of F packet */ hcflg = 0, /* Doing Host command */ fncnv = 1, /* Flag for file name conversion */ binary = 0, /* Flag for binary file */ savmod = 0, /* Saved file mode (whole session) */ bsave = 0, /* Saved file mode (per file) */ bsavef = 0, /* Flag if bsave was used. */ cmask = 0177, /* Connect byte mask */ fmask = 0377, /* File byte mask */ warn = 0, /* Flag for file warning */ quiet = 0, /* Be quiet during file transfer */ local = 0, /* Flag for external tty vs stdout */ server = 0, /* Flag for being a server */ cflg = 0, /* Connect before transaction */ cnflg = 0, /* Connect after transaction */ cxseen = 0, /* Flag for cancelling a file */ czseen = 0, /* Flag for cancelling file group */ discard = 0, /* Flag for file to be discarded */ keep = 0, /* Keep incomplete files */ unkcs = 1, /* Keep file w/unknown character set */ nakstate = 0, /* In a state where we can send NAKs */ dblchar = -1; /* Character to double when sending */ /* Variables passed from command parser to protocol module */ #ifndef NOSPL _PROTOTYP( int parser, (int) ); /* The parser itself */ char *clcmds = NULL; /* Pointer to command-line commands */ #endif /* NOSPL */ CHAR sstate = (CHAR) 0; /* Starting state for automaton */ CHAR zstate = (CHAR) 0; /* For remembering sstate */ char *cmarg = ""; /* Pointer to command data */ char *cmarg2 = ""; /* Pointer to 2nd command data */ char **cmlist; /* Pointer to file list in argv */ /* Flags for the ENABLE and DISABLE commands */ int en_cwd = 1; /* CD/CWD */ int en_del = 1; /* DELETE */ int en_dir = 1; /* DIRECTORY */ int en_fin = 1; /* FINISH/BYE */ int en_get = 1; /* GET */ #ifndef NOPUSH int en_hos = 1; /* HOST enabled */ #else int en_hos = 0; /* HOST disabled */ #endif /* NOPUSH */ int en_sen = 1; /* SEND */ int en_set = 1; /* SET */ int en_spa = 1; /* SPACE */ int en_typ = 1; /* TYPE */ int en_who = 1; /* WHO */ #ifdef datageneral /* Data General AOS/VS can't do this */ int en_bye = 0; /* BYE */ #else int en_bye = 1; /* BYE */ #endif /* datageneral */ /* Miscellaneous */ char **xargv; /* Global copies of argv */ int xargc; /* and argc */ int xargs; /* an immutable copy of argc */ char *xarg0; /* and of argv[0] */ extern char *dftty; /* Default tty name from ck?tio.c */ extern int dfloc; /* Default location: remote/local */ extern int dfprty; /* Default parity */ extern int dfflow; /* Default flow control */ /* Buffered file input and output buffers. See getpkt() in ckcfns.c and zoutdump() in the system-dependent file i/o module (usually ck?fio.c). */ #ifndef DYNAMIC /* Now we allocate them dynamically, see getiobs() below. */ char zinbuffer[INBUFSIZE], zoutbuffer[OBUFSIZE]; #endif char *zinptr, *zoutptr; int zincnt, zoutcnt; _PROTOTYP( int getiobs, (void) ); /* M A I N -- C-Kermit main program */ #ifndef NOCCTRAP #include <setjmp.h> extern jmp_buf cmjbuf; #ifdef GEMDOS /* Special for Atari ST */ cc_clean(); #endif /* GEMDOS */ #endif /* NOCCTRAP */ #ifdef aegis /* On the Apollo, intercept main to insert a cleanup handler */ int ckcmai(argc,argv) int argc; char **argv; #else #ifdef MAC /* Macintosh */ int main (void) #else #ifdef VMSGCC /* (Open)VMS with GCC compiler */ int main(argc,argv) int argc; char **argv; #else #ifdef __DECC /* Alpha AXP with DEC C compiler */ #ifdef __ALPHA int main(argc,argv) int argc; char **argv; #else /* DEC C compiler, not Alpha AXP */ VOID main(argc,argv) int argc; char **argv; #endif /* __ALPHA */ #else /* All others */ VOID main(argc,argv) int argc; char **argv; #endif /* __DECC */ #endif /* VMSGCC */ #endif /* MAC */ #endif /* aegis */ { /* main */ #ifdef datageneral short *pfha = 016000000036; /* Get around LANG_RT problem -- */ *pfha = (short) 0; /* No user protection fault handler */ #endif /* datageneral */ /* Do some initialization */ if (sysinit() < 0) /* System-dependent initialization. */ fatal("Can't initialize!"); connoi(); /* Console interrupts off */ #ifndef MAC xargc = xargs = argc; /* Make global copies of argc */ xargv = argv; /* ...and argv. */ xarg0 = argv[0]; #endif /* MAC */ sstate = 0; /* No default start state. */ #ifdef DYNAMIC if (getiobs() < 0) fatal("Can't allocate i/o buffers!"); #endif /* DYNAMIC */ ckhost(myhost,MYHOSTL); /* Name of local host */ strcpy(ttname,dftty); /* Set up default tty name. */ local = dfloc; /* And whether it's local or remote. */ parity = dfprty; /* Set initial parity, */ flow = dfflow; /* and flow control. */ if (local) if (ttopen(ttname,&local,0,0) < 0) { /* If default tty line */ #ifndef OS2 printf("%s: Can't open device\n",ttname); /* is external, open it */ #endif /* OS2 */ local = 0; /* now... */ strcpy(ttname,CTTNAM); } speed = ttgspd(); /* Get transmission speed. */ #ifdef SUNX25 initpad(); /* Initialize X.25 PAD */ #endif /* SUNX25 */ if (inibufs(SBSIZ,RBSIZ) < 0) /* Allocate packet buffers */ fatal("Can't allocate packet buffers!"); #ifndef NOICP #ifdef MAC cmdini(); #else /* Not MAC */ /* Attempt to take ini file before doing command line */ *cmdfil = '\0'; /* Assume no command file. */ prescan(); /* But first check for -y option */ #ifndef NOCCTRAP setint(); /* Set up interrupts */ if (setjmp(cmjbuf)) { /* Control-C trap returns to here. */ #ifdef GEMDOS cc_clean(); /* Atari: Clean up after ^C-trap. */ #endif /* GEMDOS */ doexit(GOOD_EXIT,-1); /* Exit with good status. */ } else { #endif /* NOCCTRAP */ cmdini(); /* Sets tlevel */ while (tlevel > -1) { /* Execute init file. */ sstate = parser(0); /* Loop getting commands. */ if (sstate) proto(); /* Enter protocol if requested. */ } #ifndef NOCCTRAP } #endif /* NOCCTRAP */ /* In UNIX there are two ways to invoke Kermit with a cmdfile: (1) From the kermit command line, e.g. "kermit cmdfile [ options... ]" argv[0] = "kermit" argv[1] = "cmdfile" (2) By executing a cmdfile whose first line is like "#!/path/kermit" argv[0] = "/path/kermit" (sometimes just "kermit") argv[1] = "/path/cmdfile" */ if (argc > 1) { if (*argv[1] != '-') { if (zchki(argv[1]) > 0) { strcpy(cmdfil,argv[1]); } } } if (*cmdfil) { /* If we got one, */ dotake(cmdfil); /* execute it */ while (tlevel > -1) { /* until it runs out. */ sstate = parser(1); /* Loop getting commands. */ if (sstate) proto(); /* Enter protocol if requested. */ } } *cmdfil = '\0'; /* Done, nullify the file name */ #endif /* MAC */ #endif /* NOICP */ #ifndef NOCMDL /* Look for a UNIX-style command line... */ if (argc > 1) { /* Command line arguments? */ sstate = cmdlin(); /* Yes, parse. */ zstate = sstate; /* Remember sstate around protocol */ if (cflg) conect(); /* Connect first if requested */ if (sstate) { if (displa) concb((char)escape); /* (for console "interrupts") */ #ifndef NOCCTRAP setint(); /* Set up interrupts */ if (setjmp(cmjbuf)) { /* Control-C trap returns to here. */ #ifdef GEMDOS cc_clean(); #endif /* GEMDOS */ if (cnflg) conect(); /* connect again if requested, */ } else { #endif /* NOCCTRAP */ proto(); /* Take any requested action, then */ if (!quiet) /* put cursor back at left margin, */ conoll(""); if (cnflg) conect(); /* connect if requested, */ #ifndef NOCCTRAP } #endif /* NOCCTRAP */ } /* If interactive commands were given on the command line (using the -C "command, command, ..." option), assign them to a macro called "cl_commands", then execute the macro and leave it defined for subsequent re-execution if desired. */ #ifndef NOSPL if (clcmds) { /* Check for -C commands */ int x; x = addmac("cl_commands",clcmds); /* Put macro in table */ if (x > -1) { /* If successful, */ dodo(x,NULL); /* set up for macro execution */ while (maclvl > -1) { /* Loop getting macro commands. */ sstate = parser(1); if (sstate) proto(); /* Enter protocol if requested. */ } } } #endif /* NOSPL */ #ifndef NOICP /* If a command-line action argument was given and -S ("stay") was not given, exit now. */ if ((cflg || cnflg || zstate) && !stayflg) #endif /* NOICP */ doexit(GOOD_EXIT,xitsta); /* exit with good status */ } #endif /* NOCMDL */ #ifdef NOICP /* No interactive command parser */ else { #ifndef NOCMDL usage(); /* Command-line-only version */ doexit(BAD_EXIT,-1); #else /* Neither one! */ doexit(BAD_EXIT,-1); #endif /* NOCMDL */ } #else /* not NOICP */ /* If no action requested on command line, or if -S ("stay") was included, enter the interactive command parser. */ herald(); /* Display program herald. */ #ifndef NOCCTRAP /* If not no Control-C trap */ ccagain: if (setjmp(cmjbuf)) { /* Control-C trap returns to here. */ #ifdef GEMDOS cc_clean(); #endif /* GEMDOS */ fixcmd(); /* Pop command stacks, etc. */ debug(F100,"ckcmai got interrupt","",0); goto ccagain; /* set up trap again. */ } else { debug(F100,"ckcmai setting interrupt trap","",0); setint(); /* Set up command interrupt traps */ } #else /* NOCCTRAP */ setint(); /* Set up command interrupt traps */ #endif /* NOCCTRAP */ #ifdef MAC while (1) { extern char *lfiles; /* fake pointer cast */ if (connected) { debug(F100, "main: calling macparser", "", 0); sstate = newparser(1, 1, 0L); /* ignore null command state */ if (sstate == 'n') sstate = '\0'; if (sstate) proto(); } else { /* * process take files the finder gave us. */ if ((tlevel == -1) && lfiles) startlfile(); debug(F100, "main: calling parser", "", 0); sstate = parser(0); if (sstate == 'c') /* if MAC connect */ sstate = 0; if (sstate) proto(); } } #else /* Not MAC */ /* Running from an application file, or a command filename was specified on the command line. */ if (*cmdfil) dotake(cmdfil); /* Command file spec'd on cmd line */ while(1) { /* Loop getting commands. */ sstate = parser(0); if (sstate) proto(); /* Enter protocol if requested. */ } #endif /* MAC */ #endif /* NOICP */ } #ifdef DYNAMIC /* Allocate file i/o buffers */ char *zinbuffer, *zoutbuffer; int getiobs() { zinbuffer = (char *)malloc(INBUFSIZE); if (!zinbuffer) return(-1); zoutbuffer = (char *)malloc(OBUFSIZE); if (!zoutbuffer) return(-1); debug(F100,"getiobs ok","",0); return(0); } #endif /* DYNAMIC */