/* WARNING -- This C source program generated by Wart preprocessor. */ /* Do not edit this file; edit the Wart-format source file instead, */ /* and then run it through Wart to produce a new C source file. */ /* Wart Version Info: */ char *wartv = "Wart Version 2.14, 10 Nov 1999"; char *protv = /* -*-C-*- */ "C-Kermit Protocol Module 7.0.135, 1 Jan 2000"; int kactive = 0; /* Kermit protocol is active */ #define PKTZEROHACK /* C K C P R O -- C-Kermit Protocol Module, in Wart preprocessor notation. */ /* Author: Frank da Cruz , Columbia University Academic Information Systems, New York City. Copyright (C) 1985, 2000, Trustees of Columbia University in the City of New York. All rights reserved. See the C-Kermit COPYING.TXT file or the copyright text in the ckcmai.c module for disclaimer and permissions. */ #ifndef NOXFER #include "ckcsym.h" #include "ckcdeb.h" #include "ckcasc.h" #include "ckcker.h" #ifdef OS2 #ifndef NT #define INCL_NOPM #define INCL_VIO /* Needed for ckocon.h */ #include #undef COMMENT #endif /* NT */ #include "ckocon.h" #endif /* OS2 */ /* Note -- This file may also be preprocessed by the UNIX Lex program, but you must indent the above #include statements before using Lex, and then restore them to the left margin in the resulting C program before compilation. Also, the invocation of the "wart()" function below must be replaced by an invocation of the "yylex()" function. It might also be necessary to remove comments in the (%)(%)...(%)(%) section. */ /* State definitions for Wart (or Lex) */ #define ipkt 1 #define rfile 2 #define rattr 3 #define rdpkt 4 #define ssinit 5 #define ssfile 6 #define ssattr 7 #define ssdata 8 #define sseof 9 #define sseot 10 #define serve 11 #define generic 12 #define get 13 #define rgen 14 #define ssopkt 15 #define ropkt 16 _PROTOTYP(static VOID xxproto,(void)); _PROTOTYP(int wart,(void)); _PROTOTYP(static int sgetinit,(int,int)); _PROTOTYP(int sndspace,(int)); /* External C-Kermit variable declarations */ extern char *versio, *srvtxt, *cmarg, *cmarg2, **cmlist, *rf_err; extern char *cdmsgfile[]; extern char * snd_move, * snd_rename, * srimsg; extern char filnam[], fspec[], ttname[], ofn1[]; extern CHAR sstate, *srvptr, *data; extern int timint, rtimo, nfils, hcflg, xflg, flow, mdmtyp, network; extern int oopts, omode, oname, opath, nopush, isguest; extern int rejection, moving, fncact, bye_active, urserver, fatalio; extern int protocol, prefixing, filcnt, carrier, fnspath, interrupted; extern int recursive, inserver, nzxopts, idletmo, srvidl, xfrint; extern struct ck_p ptab[]; extern int remfile, rempipe, xferstat, filestatus, wearealike, fackpath; extern char * remdest; #ifdef PKTZEROHACK #define PKTZEROLEN 32 static char ipktack[PKTZEROLEN]; static int ipktlen = 0; #endif /* PKTZEROHACK */ static int s_timint = -1; /* For saving timeout value */ static int havefs = 0; #ifdef CK_LOGIN static int logtries = 0; #endif /* CK_LOGIN */ #ifdef STREAMING extern int streaming, streamok; static int cancel = 0; int fackbug = 0; static VOID streamon() { if (streamok) { debug(F100,"streamon","",0); streaming = 1; timint = 0; /* No timeouts while streaming. */ } } #ifdef COMMENT /* (not used) */ static VOID streamoff() { if (streaming) { debug(F100,"streamoff","",0); streaming = 0; timint = s_timint; /* Restore timeout */ } } #endif /* COMMENT */ #else /* STREAMING */ #define streamon() #define streamoff() #endif /* STREAMING */ #ifndef NOSPL _PROTOTYP( int addmac, (char *, char *) ); _PROTOTYP( int zzstring, (char *, char **, int *) ); #endif /* NOSPL */ #ifndef NOICP _PROTOTYP( int cmdsrc, (void) ); #endif /* NOICP */ #ifndef NOSERVER extern char * x_user, * x_passwd, * x_acct; extern int x_login, x_logged; #endif /* NOSERVER */ #ifdef CK_SPEED extern int ttnproto; /* Network protocol */ extern short ctlp[]; /* Control-character prefix table */ #endif /* CK_SPEED */ #include "ckcnet.h" #ifdef TNCODE extern int tn_b_nlm, tn_b_xfer, tn_nlm; #ifdef CK_ENCRYPTION extern int tn_no_encrypt_xfer; #endif /* CK_ENCRYPTION */ #endif /* TNCODE */ #ifdef TCPSOCKET #ifndef NOLISTEN extern int tcpsrfd; #endif /* NOLISTEN */ #endif /* TCPSOCKET */ extern int cxseen, czseen, server, srvdis, local, displa, bctu, bctr, bctl; extern int quiet, tsecs, parity, backgrd, nakstate, atcapu, wslotn, winlo; extern int wslots, success, xitsta, rprintf, discard, cdtimo, keep, fdispla; extern int timef, stdinf, rscapu, sendmode, epktflg, epktrcvd, epktsent; extern int binary, fncnv; extern long speed, ffc, crc16, calibrate, dest; #ifdef COMMENT extern char *TYPCMD, *DIRCMD, *DIRCM2; #endif /* COMMENT */ #ifndef OS2 extern char *SPACMD, *SPACM2, *WHOCMD; #endif /* OS2 */ extern CHAR *rdatap; extern struct zattr iattr; #ifdef VMS extern int batch; #endif /* VMS */ #ifdef GFTIMER extern CKFLOAT fptsecs; #endif /* GFTIMER */ extern CHAR *srvcmd; extern CHAR *epktmsg; #ifdef CK_TMPDIR extern int f_tmpdir; /* Directory changed temporarily */ extern char savdir[]; /* For saving current directory */ extern char * dldir; #endif /* CK_TMPDIR */ extern int query; /* Query-active flag */ #ifndef NOSPL extern int cmdlvl; char querybuf[QBUFL+1] = { NUL, NUL }; /* QUERY response buffer */ char *qbufp = querybuf; /* Pointer to it */ int qbufn = 0; /* Length of data in it */ #else extern int tlevel; #endif /* NOSPL */ #ifndef NOICP extern int escape; #endif /* NOICP */ /* If the following flag is nonzero when the protocol module is entered, then server mode persists for exactly one transaction, rather than looping until BYE or FINISH is received. */ extern int justone; static int r_save = -1; static int p_save = -1; static VOID rdebug() { if (server) debug(F111,"RESUME","server=1",justone); else debug(F111,"RESUME","server=0",justone); } /* Flags for the ENABLE and DISABLE commands */ extern int en_cpy, en_cwd, en_del, en_dir, en_fin, en_get, en_bye, en_mai, en_pri, en_hos, en_ren, en_sen, en_spa, en_set, en_typ, en_who, en_ret, en_xit, en_mkd, en_rmd; #ifndef NOSPL extern int en_asg, en_que; #endif /* NOSPL */ extern int what, lastxfer; /* Global variables declared here */ int whatru = 0; /* What are you. */ int whatru2 = 0; /* What are you, cont'd. */ /* Local variables */ static char vstate = 0; /* Saved State */ static char vcmd = 0; /* Saved Command */ static int reget = 0; /* Flag for executing REGET */ static int retrieve = 0; /* Flag for executing RETRIEVE */ static int opkt = 0; /* Send Extended GET packet */ static int x; /* General-purpose integer */ static char *s; /* General-purpose string pointer */ /* Macros - Note, BEGIN is predefined by Wart (and Lex) as "state = ", */ /* BEGIN is NOT a GOTO! */ #define TINIT if (tinit(1) < 0) return(-9) #define SERVE { TINIT; resetc(); nakstate=1; what=W_NOTHING; cmarg2=""; \ sendmode=SM_SEND; havefs=0; recursive=r_save; fnspath=p_save; BEGIN serve; } #define RESUME { rdebug(); if (!server) { return(0); } else \ if (justone) { justone=0; return(0); } else { SERVE; } } #ifdef GFTIMER #define QUIT x=quiet; quiet=1; clsif(); clsof(1); tsecs=gtimer(); \ fptsecs=gftimer(); quiet=x; return(success) #else #define QUIT x=quiet; quiet=1; clsif(); clsof(1); tsecs=gtimer(); quiet=x; \ return(success) #endif /* GFTIMER */ /* By late 1999, the big switch() statement generated from the following state table began choking even gcc, so here we extract the code from the larger states into static void routines to reduce the size of the cases and the switch() overall. The routines follow the state table; the prototypes are here. Each of these routines simply contains the text from the corresponding case, but with return(-1) added in appropriate places; see instructions after the state table switcher. */ static int rc; /* Return code for these routines */ static int rcv_s_pkt(); /* Received an S packet */ static int rcv_firstdata(); /* Received first Data packet */ static int rcv_shortreply(); /* Short reply to a REMOTE command */ static int srv_query(); /* Server answers an query */ static int srv_copy(); /* Server executes REMOTE COPY */ static int srv_rename(); /* Server executes REMOTE RENAME */ static int srv_login(); /* Server executes REMOTE LOGIN */ static int srv_timeout(); /* Server times out */ #define BEGIN state = int state = 0; int wart() { int c,actno; extern char tbl[]; while (1) { c = input() - 32; debug(F000,"PROTO input",ckitoa(state),c+32); if (c < 0 || c > 95) c = 0; if ((actno = tbl[c + state*96]) != -1) switch(actno) { case 1: { TINIT; /* Send file(s) */ if (sinit() > 0) BEGIN ssinit; else RESUME; } break; case 2: { TINIT; nakstate = 1; BEGIN get; } break; case 3: { /* Client sends a GET command */ TINIT; vstate = get; reget = 0; retrieve = 0; opkt = 0; vcmd = 0; #ifdef PKTZEROHACK ipktack[0] = NUL; #endif /* PKTZEROHACK */ if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 4: { /* Client sends a RETRIEVE command */ TINIT; vstate = get; reget = 0; retrieve = 1; opkt = 0; vcmd = 0; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 5: { /* Client sends a REGET command */ TINIT; vstate = get; reget = 1; retrieve = 0; opkt = 0; vcmd = 0; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 6: { /* Client sends Extended GET Packet */ TINIT; vstate = get; reget = oopts & GOPT_RES; retrieve = oopts & GOPT_DEL; opkt = 1; vcmd = 0; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 7: { /* Client sends a Host command */ TINIT; vstate = rgen; vcmd = 'C'; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 8: { TINIT; /* Client sends a Kermit command */ vstate = rgen; vcmd = 'K'; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 9: { /* Client sends a REMOTE command */ TINIT; vstate = rgen; vcmd = 'G'; if (sipkt('I') >= 0) BEGIN ipkt; else RESUME; } break; case 10: { /* Enter server mode */ int x; x = justone; if (!ENABLED(en_del)) { /* If DELETE is disabled */ if (fncact == XYFX_B || /* undo any file collision action */ fncact == XYFX_U || /* that could result in deletion or */ fncact == XYFX_A || /* modification of existing files. */ fncact == XYFX_X) { #ifndef NOICP extern int g_fncact; g_fncact = fncact; /* Save current setting */ #endif /* NOICP */ fncact = XYFX_R; /* Change to RENAME */ debug(F101,"server DELETE disabled so fncact RENAME","",fncact); } } SERVE; /* tinit() clears justone... */ justone = x; #ifdef IKSDB if (ikdbopen) slotstate(what, "SERVER", "", ""); #endif /* IKSDB */ } break; case 11: { int b1 = 0, b2 = 0; if (!data) TINIT; /* "ABEND" -- Tell other side. */ #ifndef pdp11 if (epktflg) { /* If because of E-PACKET command */ b1 = bctl; b2 = bctu; /* Save block check type */ bctl = bctu = 1; /* set it to 1 */ } #endif /* pdp11 */ errpkt((CHAR *)"User cancelled"); /* Send the packet */ #ifndef pdp11 if (epktflg) { /* Restore the block check */ epktflg = 0; bctl = b1; bctu = b2; } #endif /* pdp11 */ success = 0; return(0); /* Return from protocol. */ } break; case 12: { /* Receive Send-Init packet. */ rc = rcv_s_pkt(); debug(F101,"rcv_s_pkt","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 13: { /* Get ack for I-packet */ int x = 0; #ifdef PKTZEROHACK ckstrncpy(ipktack,(char *)rdatap,PKTZEROLEN); /* Save a copy of the ACK */ ipktlen = strlen(ipktack); #endif /* PKTZEROHACK */ spar(rdatap); /* Set parameters */ winlo = 0; /* Set window-low back to zero */ debug(F101,"Y winlo","",winlo); urserver = 1; /* So I know I'm talking to a server */ if (vcmd) { /* If sending a generic command */ if (tinit(0) < 0) return(-9); /* Initialize many things */ x = scmd(vcmd,(CHAR *)cmarg); /* Do that */ if (x >= 0) x = 0; /* (because of O-Packet) */ debug(F101,"proto G packet scmd","",x); vcmd = 0; /* and then un-remember it. */ } else if (vstate == get) { debug(F101,"REGET sstate","",sstate); x = srinit(reget, retrieve, opkt); /* GET or REGET, etc */ } if (x < 0) { /* If command was too long */ if (!srimsg) srimsg = "Error sending string"; errpkt((CHAR *)srimsg); /* cancel both sides. */ success = 0; RESUME; } else if (x > 0) { /* Need to send more O-Packets */ BEGIN ssopkt; } else { rtimer(); /* Reset the elapsed seconds timer. */ #ifdef GFTIMER rftimer(); #endif /* GFTIMER */ winlo = 0; /* Window back to 0, again. */ debug(F101,"Y vstate","",vstate); nakstate = 1; /* Can send NAKs from here. */ BEGIN vstate; /* Switch to desired state */ } } break; case 14: { /* Got ACK to O-Packet */ debug(F100,"CPCPRO Y","",0); x = sopkt(); debug(F101,"CPCPRO Y x","",x); if (x < 0) { /* If error */ errpkt((CHAR *)srimsg); /* cancel both sides. */ success = 0; RESUME; } else if (x == 0) { /* This was the last O-Packet */ rtimer(); /* Reset the elapsed seconds timer. */ #ifdef GFTIMER rftimer(); #endif /* GFTIMER */ winlo = 0; /* Window back to 0, again. */ debug(F101,"Y winlo","",winlo); nakstate = 1; /* Can send NAKs from here. */ BEGIN vstate; /* Switch to desired state */ } debug(F101,"CPCPRO Y not changing state","",x); } break; case 15: { /* Ignore Error reply to I packet */ int x = 0; winlo = 0; /* Set window-low back to zero */ debug(F101,"E winlo","",winlo); if (vcmd) { /* In case other Kermit doesn't */ if (tinit(0) < 0) return(-9); x = scmd(vcmd,(CHAR *)cmarg); /* understand I-packets. */ if (x >= 0) x = 0; /* (because of O-Packet) */ vcmd = 0; /* Otherwise act as above... */ } else if (vstate == get) x = srinit(reget, retrieve, opkt); if (x < 0) { /* If command was too long */ errpkt((CHAR *)srimsg); /* cancel both sides. */ success = 0; RESUME; } else if (x > 0) { /* Need to send more O-Packets */ BEGIN ssopkt; } else { winlo = 0; /* Back to packet 0 again. */ debug(F101,"E winlo","",winlo); freerpkt(winlo); /* Discard the Error packet. */ nakstate = 1; /* Can send NAKs from here. */ BEGIN vstate; } } break; case 16: { /* Resend of previous I-pkt ACK, same seq number! */ srinit(reget, retrieve, opkt); /* Send the GET packet again. */ } break; case 17: { /* Get I-packet */ #ifndef NOSERVER spar(rdatap); /* Set parameters from it */ ack1(rpar()); /* Respond with our own parameters */ #ifdef COMMENT pktinit(); /* Reinitialize packet numbers */ #else #ifdef COMMENT /* This can't be right - it undoes the stuff we just negotiated */ x = justone; tinit(1); /* Reinitialize EVERYTHING */ justone = x; /* But this... */ #else tinit(0); /* Initialize most things */ #endif /* COMMENT */ #endif /* COMMENT */ #endif /* NOSERVER */ } break; case 18: { /* GET */ #ifndef NOSERVER if (x_login && !x_logged) { errpkt((CHAR *)"Login required"); SERVE; } else if (sgetinit(0,0) < 0) { RESUME; } else { #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "GET", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } #endif /* NOSERVER */ } break; case 19: { /* GET /DELETE (RETRIEVE) */ #ifndef NOSERVER if (x_login && !x_logged) { errpkt((CHAR *)"Login required"); RESUME; } else if (!ENABLED(en_del)) { errpkt((CHAR *)"Deleting files is disabled"); RESUME; } else if (sgetinit(0,0) < 0) { RESUME; } else { moving = 1; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "GET /DELETE", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } #endif /* NOSERVER */ } break; case 20: { /* GET /RECURSIVE */ #ifndef NOSERVER recursive = 1; /* Set these before sgetinit() */ if (fnspath == PATH_OFF) fnspath = PATH_REL; /* Don't worry, they will be */ if (x_login && !x_logged) { /* reset next time through. */ errpkt((CHAR *)"Login required"); RESUME; } else if (sgetinit(0,0) < 0) { RESUME; } else { #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "GET /RECURSIVE", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } #endif /* NOSERVER */ } break; case 21: { /* GET /RECURSIVE /DELETE */ #ifndef NOSERVER recursive = 1; /* Set these before sgetinit() */ if (fnspath == PATH_OFF) fnspath = PATH_REL; /* Don't worry, they will be */ moving = 1; /* reset next time through. */ if (x_login && !x_logged) { errpkt((CHAR *)"Login required"); RESUME; } else if (!ENABLED(en_del)) { errpkt((CHAR *)"Deleting files is disabled"); RESUME; } else if (sgetinit(0,0) < 0) { RESUME; } else { #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR,1,"server", "GET /RECURSIVE /DELETE",(char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } #endif /* NOSERVER */ } break; case 22: { /* GET /RECOVER (REGET) */ #ifndef NOSERVER if (x_login && !x_logged) { errpkt((CHAR *)"Login required"); SERVE; } else if (sgetinit(1,0) < 0) { RESUME; } else { #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "GET /RECOVER", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } #endif /* NOSERVER */ } break; case 23: { /* Extended GET */ #ifndef NOSERVER if (x_login && !x_logged) { /* (any combination of options) */ errpkt((CHAR *)"Login required"); SERVE; } else if ((x = sgetinit(0,1)) < 0) { debug(F101,"CKCPRO O sgetinit fail","",x); RESUME; } else if (x == 0) { debug(F101,"CKCPRO O sgetinit done","",x); #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "EXTENDED GET", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } else { /* Otherwise stay in this state */ debug(F101,"CKCPRO O sgetinit TBC","",x); ack(); BEGIN ropkt; } #endif /* NOSERVER */ } break; case 24: { #ifndef NOSERVER if (x_login && !x_logged) { /* (any combination of options) */ errpkt((CHAR *)"Login required"); SERVE; } else if ((x = sgetinit(0,1)) < 0) { debug(F101,"CKCPRO O sgetinit fail","",x); RESUME; } else if (x == 0) { debug(F101,"CKCPRO O sgetinit done","",x); #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "EXTENDED GET", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; } else { /* Otherwise stay in this state */ debug(F101,"CKCPRO O sgetinit TBC","",x); ack(); } #endif /* NOSERVER */ } break; case 25: { /* Generic server command */ #ifndef NOSERVER srvptr = srvcmd; /* Point to command buffer */ decode(rdatap,putsrv,0); /* Decode packet data into it */ putsrv(NUL); /* Insert a couple nulls */ putsrv(NUL); /* for termination */ if (srvcmd[0]) { sstate = srvcmd[0]; /* Set requested start state */ if (x_login && !x_logged && /* Login required? */ /* Login, Logout, and Help are allowed when not logged in */ sstate != 'I' && sstate != 'L' && sstate != 'H') { errpkt((CHAR *)"Login required"); SERVE; } else { nakstate = 0; /* Now I'm the sender. */ what = W_REMO; /* Doing a REMOTE command. */ #ifdef STREAMING if (!streaming) #endif /* STREAMING */ if (timint < 1) timint = chktimo(rtimo,timef); /* Switch to per-packet timer */ binary = XYFT_T; /* Switch to text mode */ BEGIN generic; /* Switch to generic command state */ } } else { errpkt((CHAR *)"Badly formed server command"); /* report error */ RESUME; /* & go back to server command wait */ } #endif /* NOSERVER */ } break; case 26: { /* Receive Host command */ #ifndef NOSERVER if (x_login && !x_logged) { errpkt((CHAR *)"Login required"); SERVE; } else if (!ENABLED(en_hos)) { errpkt((CHAR *)"REMOTE HOST disabled"); RESUME; } else if (nopush) { errpkt((CHAR *)"HOST commands not available"); RESUME; } else { srvptr = srvcmd; /* Point to command buffer */ decode(rdatap,putsrv,0); /* Decode command packet into it */ putsrv(NUL); /* Null-terminate */ nakstate = 0; /* Now sending, not receiving */ binary = XYFT_T; /* Switch to text mode */ if (syscmd((char *)srvcmd,"")) { /* Try to execute the command */ what = W_REMO; /* Doing a REMOTE command. */ #ifdef STREAMING if (!streaming) #endif /* STREAMING */ if (timint < 1) timint = chktimo(rtimo,timef); /* Switch to per-packet timer */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE HOST", (char *)srvcmd); #endif /* CKSYSLOG */ BEGIN ssinit; /* If OK, send back its output */ } else { /* Otherwise */ errpkt((CHAR *)"Can't do system command"); /* report error */ RESUME; /* & go back to server command wait */ } } #endif /* NOSERVER */ } break; case 27: { /* Interrupted or connection lost */ rc = srv_timeout(); debug(F101,"srv_timeout","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 28: { /* Server got a NAK in command-wait */ #ifndef NOSERVER errpkt((CHAR *)"Did you say RECEIVE instead of GET?"); RESUME; #endif /* NOSERVER */ } break; case 29: { /* Any other command in this state */ #ifndef NOSERVER if (c != ('E' - SP) && c != ('Y' - SP)) /* except E and Y packets. */ errpkt((CHAR *)"Unimplemented server function"); /* If we answer an E with an E, we get an infinite loop. */ /* A Y (ACK) can show up here if we sent back a short-form reply to */ /* a G packet and it was echoed. ACKs can be safely ignored here. */ RESUME; /* Go back to server command wait. */ #endif /* NOSERVER */ } break; case 30: { /* Login/Out */ rc = srv_login(); debug(F101,"I srv_login","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 31: { /* Got REMOTE CD command */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE CD", (char *)srvcmd); #endif /* CKSYSLOG */ if (!ENABLED(en_cwd)) { errpkt((CHAR *)"REMOTE CD disabled"); RESUME; } else { char * p = NULL; x = cwd((char *)(srvcmd+1)); /* Try to change directory */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE CD", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!x) { /* Failed */ errpkt((CHAR *)"Can't change directory"); RESUME; /* Back to server command wait */ } else if (x == 2) { /* User wants message */ if (!ENABLED(en_typ)) { /* Messages (REMOTE TYPE) disabled? */ errpkt((CHAR *)"REMOTE TYPE disabled"); RESUME; } else { /* TYPE is enabled */ int i; for (i = 0; i < 8; i++) { if (zchki(cdmsgfile[i]) > -1) { break; } } binary = XYFT_T; /* Use text mode for this. */ if (i < 8 && sndtype(cdmsgfile[i])) { /* Have readme file? */ BEGIN ssinit; /* OK */ } else { /* not OK */ p = zgtdir(); if (!p) p = ""; success = (*p) ? 1 : 0; ack1((CHAR *)p); /* ACK with new directory name */ success = 1; RESUME; /* wait for next server command */ } } } else { /* User doesn't want message */ p =zgtdir(); if (!p) p = ""; success = (*p) ? 1 : 0; ack1((CHAR *)p); success = 1; RESUME; /* Wait for next server command */ } } #endif /* NOSERVER */ } break; case 32: { /* Got REMOTE PWD command */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE PWD", NULL); #endif /* CKSYSLOG */ if (!ENABLED(en_cwd)) { errpkt((CHAR *)"REMOTE CD disabled"); RESUME; } else { if (encstr((CHAR *)zgtdir()) > -1) { /* Encode current directory */ ack1(data); /* If it fits, send it back in ACK */ success = 1; } else { /* Failed */ ack(); /* Send empty ACK */ success = 0; /* and indicate failure locally */ } RESUME; /* Back to server command wait */ } #endif /* NOSERVER */ } break; case 33: { /* REMOTE DIRECTORY command */ #ifndef NOSERVER char *n2; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE DIRECTORY", (char *)srvcmd); #endif /* CKSYSLOG */ if (!ENABLED(en_dir)) { /* If DIR is disabled, */ errpkt((CHAR *)"REMOTE DIRECTORY disabled"); /* refuse. */ RESUME; } else { /* DIR is enabled. */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE DIR", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_cwd)) { /* But CWD is disabled */ zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */ if (strcmp((char *)(srvcmd+2),n2)) { /* so refuse. */ errpkt((CHAR *)"Access denied"); RESUME; /* Remember, this is not a goto! */ } } if (state == generic) { /* It's OK to go ahead. */ #ifdef COMMENT n2 = (*(srvcmd+2)) ? DIRCMD : DIRCM2; if (syscmd(n2,(char *)(srvcmd+2))) /* If it can be done */ #else int x; if ((x = snddir((char*)(srvcmd+2))) > 0) #endif /* COMMENT */ { BEGIN ssinit; /* send the results back; */ } else { /* otherwise */ if (x < 0) errpkt((CHAR *)"No files match"); else errpkt((CHAR *)"Can't list directory"); RESUME; /* return to server command wait */ } } } #endif /* NOSERVER */ } break; case 34: { /* REMOTE DELETE (Erase) */ #ifndef NOSERVER char *n2; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE DELETE", (char *)srvcmd); #endif /* CKSYSLOG */ if (!ENABLED(en_del)) { errpkt((CHAR *)"REMOTE DELETE disabled"); RESUME; } else { /* DELETE is enabled */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE DELETE", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_cwd)) { /* but CWD is disabled */ zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */ if (strcmp((char *)(srvcmd+2),n2)) { /* so refuse. */ errpkt((CHAR *)"Access denied"); RESUME; /* Remember, this is not a goto! */ } } else if (isdir((char *)(srvcmd+2))) { /* A directory name? */ errpkt((CHAR *)"It's a directory"); RESUME; } if (state == generic) { /* It's OK to go ahead. */ int x; if ((x = snddel((char*)(srvcmd+2))) > 0) { BEGIN ssinit; /* If OK send results back */ } else { /* otherwise */ if (x < 0) errpkt((CHAR *)"File not found"); /* report failure */ else errpkt((CHAR *)"DELETE failed"); RESUME; /* & return to server command wait */ } } } #endif /* NOSERVER */ } break; case 35: { /* FINISH */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "FINISH", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"SERVER FINISH", "", ""); #endif /* IKSDB */ if (!ENABLED(en_fin)) { errpkt((CHAR *)"FINISH disabled"); RESUME; } else { ack(); /* Acknowledge */ xxscreen(SCR_TC,0,0L,""); /* Display */ success = 1; return(0); /* Done */ } #endif /* NOSERVER */ } break; case 36: { /* EXIT */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE EXIT", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE EXIT", "", ""); #endif /* IKSDB */ if (!ENABLED(en_xit)) { errpkt((CHAR *)"EXIT disabled"); RESUME; } else { ack(); /* Acknowledge */ xxscreen(SCR_TC,0,0L,""); /* Display */ doexit(GOOD_EXIT,xitsta); } #endif /* NOSERVER */ } break; case 37: { /* BYE (Logout) */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "BYE", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"SERVER BYE", "", ""); #endif /* IKSDB */ if (!ENABLED(en_bye)) { errpkt((CHAR *)"BYE disabled"); RESUME; } else { ack(); /* Acknowledge */ success = 1; msleep(750); /* Give the ACK time to get out */ if (local) ttres(); /* Reset the terminal */ xxscreen(SCR_TC,0,0L,""); /* Display */ doclean(1); /* Clean up files, etc */ #ifdef DEBUG debug(F100,"C-Kermit BYE - Loggin out...","",0); zclose(ZDFILE); #endif /* DEBUG */ #ifdef IKSD #ifdef CK_LOGIN if (inserver) ckxlogout(); else #endif /* CK_LOGIN */ #endif /* IKSD */ #ifdef TCPSOCKET #ifndef NOLISTEN if (network && tcpsrfd > 0 && !inserver) doexit(GOOD_EXIT,xitsta); else #endif /* NOLISTEN */ #endif /* TCPSOCKET */ return(zkself()); /* Try to log self out */ } #endif /* NOSERVER */ } break; case 38: { /* REMOTE HELP */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE HELP", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE HELP", "", ""); #endif /* IKSDB */ #ifndef NOSERVER if (sndhlp(NULL)) { BEGIN ssinit; /* try to send it */ } else { /* If not ok, */ errpkt((CHAR *)"Can't send help"); /* send error message instead */ RESUME; /* and return to server command wait */ } #endif /* NOSERVER */ } break; case 39: { /* REMOTE RENAME */ rc = srv_rename(); debug(F101,"srv_rename","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 40: { /* REMOTE COPY */ rc = srv_copy(); debug(F101,"srv_copy","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 41: { /* REMOTE SET */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE SET", (char *)srvcmd); #endif /* CKSYSLOG */ #ifndef NOSERVER #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE SET", (char *)(srvcmd+1), ""); #endif /* IKSDB */ if (!ENABLED(en_set)) { errpkt((CHAR *)"REMOTE SET disabled"); RESUME; } else { if (remset((char *)(srvcmd+1))) { /* Try to do what they ask */ success = 1; ack(); /* If OK, then acknowledge */ } else /* Otherwise */ errpkt((CHAR *)"Unknown REMOTE SET parameter"); /* give error msg */ RESUME; /* Return to server command wait */ } #endif /* NOSERVER */ } break; case 42: { /* REMOTE TYPE */ #ifndef NOSERVER char *n2; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE TYPE", (char *)srvcmd); #endif /* CKSYSLOG */ if (!ENABLED(en_typ)) { errpkt((CHAR *)"REMOTE TYPE disabled"); RESUME; } else { #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE TYPE", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_cwd)) { /* If CWD disabled */ zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */ if (strcmp((char *)(srvcmd+2),n2)) { /* refuse. */ errpkt((CHAR *)"Access denied"); RESUME; /* Remember, this is not a goto! */ } } if (state == generic) { /* It's OK to go ahead. */ binary = XYFT_T; /* Use text mode for this. */ if ( /* (RESUME didn't change state) */ #ifdef COMMENT syscmd(TYPCMD,(char *)(srvcmd+2)) /* Old way */ #else sndtype((char *)(srvcmd+2)) /* New way */ #endif /* COMMENT */ ) BEGIN ssinit; /* OK */ else { /* not OK */ errpkt((CHAR *)"Can't type file"); /* give error message */ RESUME; /* wait for next server command */ } } } #endif /* NOSERVER */ } break; case 43: { /* REMOTE MKDIR */ #ifndef NOSERVER #ifdef CK_MKDIR #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE MKDIR", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE MKDIR", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_mkd)) { errpkt((CHAR *)"REMOTE MKDIR disabled"); RESUME; } else if (!ENABLED(en_cwd)) { /* If CWD disabled */ errpkt((CHAR *)"Directory access restricted"); RESUME; /* Remember, this is not a goto! */ } if (state == generic) { /* OK to go ahead. */ char *p = NULL; x = ckmkdir(0,(char *)(srvcmd+2),&p,0,1); /* Make the directory */ if (!p) p = ""; if (x > -1) { encstr((CHAR *)p); /* OK - encode the name */ ack1(data); /* Send short-form response */ success = 1; RESUME; } else { /* not OK */ if (!*p) p = "Directory creation failure"; errpkt((CHAR *)p); /* give error message */ RESUME; /* Wait for next server command */ } } #else errpkt((CHAR *)"REMOTE MKDIR not available"); RESUME; #endif /* CK_MKDIR */ #endif /* NOSERVER */ } break; case 44: { /* REMOTE RMDIR */ #ifndef NOSERVER #ifdef CK_MKDIR #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE RMDIR", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE RMDIR", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_rmd)) { errpkt((CHAR *)"REMOTE RMDIR disabled"); RESUME; } else if (!ENABLED(en_cwd)) { /* If CWD disabled */ errpkt((CHAR *)"Directory access restricted"); RESUME; /* Remember, this is not a goto! */ } if (state == generic) { /* OK to go ahead. */ char *p = NULL; x = ckmkdir(1,(char *)(srvcmd+2),&p,0,1); if (!p) p = ""; if (x > -1) { encstr((CHAR *)p); /* OK - encode the name */ ack1(data); /* Send short-form response */ success = 1; RESUME; } else { /* not OK */ if (!*p) p = "Directory removal failure"; errpkt((CHAR *)p); /* give error message */ RESUME; /* Wait for next server command */ } } #else errpkt((CHAR *)"REMOTE RMDIR not available"); RESUME; #endif /* CK_MKDIR */ #endif /* NOSERVER */ } break; case 45: { /* REMOTE SPACE */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE SPACE", (char *)srvcmd); #endif /* CKSYSLOG */ if (!ENABLED(en_spa)) { errpkt((CHAR *)"REMOTE SPACE disabled"); RESUME; } else { x = srvcmd[1]; /* Get area to check */ x = ((x == NUL) || (x == SP) #ifdef OS2 || (x == '!') || (srvcmd[3] == ':') #endif /* OS2 */ ); #ifdef IKSDB if (ikdbopen) slotstate(what, "REMOTE SPACE", (x ? "" : (char *)srvcmd), "" ); #endif /* IKSDB */ if (!x && !ENABLED(en_cwd)) { /* CWD disabled */ errpkt((CHAR *)"Access denied"); /* and non-default area given, */ RESUME; /* refuse. */ } else { #ifdef OS2 _PROTOTYP(int sndspace,(int)); if (sndspace(x ? toupper(srvcmd[2]) : 0)) { BEGIN ssinit; /* send the report. */ } else { /* If not ok, */ errpkt((CHAR *)"Can't send space"); /* send error message */ RESUME; /* and return to server command wait */ } #else if (nopush) x = 0; else x = (x ? syscmd(SPACMD,"") : syscmd(SPACM2,(char *)(srvcmd+2))); if (x) { /* If we got the info */ BEGIN ssinit; /* send it */ } else { /* otherwise */ errpkt((CHAR *)"Can't check space"); /* send error message */ RESUME; /* and await next server command */ } #endif /* OS2 */ } } #endif /* NOSERVER */ } break; case 46: { /* REMOTE WHO */ #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE WHO", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE WHO", (char *)(srvcmd+2), ""); #endif /* IKSDB */ if (!ENABLED(en_who)) { errpkt((CHAR *)"REMOTE WHO disabled"); RESUME; } else { #ifdef OS2 _PROTOTYP(int sndwho,(char *)); if (sndwho((char *)(srvcmd+2))) { BEGIN ssinit; /* try to send it */ } else { /* If not ok, */ errpkt((CHAR *)"Can't do who command"); /* send error msg */ RESUME; /* and return to server command wait */ } #else if (syscmd(WHOCMD,(char *)(srvcmd+2))) { BEGIN ssinit; } else { errpkt((CHAR *)"Can't do who command"); RESUME; } #endif /* OS2 */ } #endif /* NOSERVER */ } break; case 47: { /* Variable query or set */ rc = srv_query(); debug(F101,"srv_query","",rc); if (rc > -1) return(rc); } break; case 48: { /* Interrupted or connection lost */ #ifndef NOSERVER if (fatalio) { /* Connection lost */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL); #endif /* CKSYSLOG */ success = 0; xitsta |= what; QUIT; } else if (interrupted) { if (!ENABLED(en_fin)) { /* Ctrl-C typed */ errpkt((CHAR *)"QUIT disabled"); RESUME; } else { #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL); #endif /* CKSYSLOG */ success = 0; xitsta |= what; QUIT; } } else { /* Shouldn't happen */ debug(F100,"SERVER (generic) GOT UNEXPECTED 'q'","",0); QUIT; } #endif /* NOSERVER */ } break; case 49: { /* Anything else in this state... */ #ifndef NOSERVER errpkt((CHAR *)"Unimplemented REMOTE command"); /* Complain */ RESUME; /* and return to server command wait */ #endif /* NOSERVER */ } break; case 50: { /* Sent BYE and connection broken */ if (bye_active && ttchk() < 0) { msleep(500); bye_active = 0; ttclos(0); /* Close our end of the connection */ clsof(0); return(success = 1); } else { /* Other generic command */ return(success = 0); /* or connection not broken */ } } break; case 51: { /* Short-Form reply */ rc = rcv_shortreply(); debug(F101,"Y rcv_shortreply","",rc); if (rc > -1) return(rc); } break; case 52: { /* File header */ char *n2; extern int rsn; debug(F101,"F winlo 1","",winlo); xflg = 0; /* Not screen data */ cancel = 0; /* Reset cancellation counter */ #ifdef CALIBRATE if (dest == DEST_N) calibrate = 1; #endif /* CALIBRATE */ if (!rcvfil(filnam)) { /* Figure out local filename */ errpkt((CHAR *)rf_err); /* Trouble */ RESUME; } else { /* Real file, OK to receive */ char * fnp; debug(F111,"F winlo 2",fspec,winlo); if (filcnt == 1) /* rcvfil set this to 1 for 1st file */ crc16 = 0L; /* Clear file CRC */ fnp = fspec; /* This is the full path */ if (server && !ENABLED(en_cwd) || /* if DISABLE CD */ !fackpath /* or F-ACK-PATH OFF */ ) { zstrip(fspec,&fnp); /* don't send back full path */ } encstr((CHAR *)fnp); if (fackbug) ack(); else ack1(data); /* Send it back in ACK */ initattr(&iattr); /* Clear file attribute structure */ streamon(); if (window(wslotn) < 0) { /* Allocate negotiated window slots */ errpkt((CHAR *)"Can't open window"); RESUME; } #ifdef IKSDB if (ikdbopen) slotstate(what, server ? "SERVER" : "", "RECEIVE", fspec ); #endif /* IKSDB */ BEGIN rattr; /* Now expect Attribute packets */ } } break; case 53: { /* X-packet instead of file header */ xflg = 1; /* Screen data */ cancel = 0; /* Reset cancellation counter */ ack(); /* Acknowledge the X-packet */ initattr(&iattr); /* Initialize attribute structure */ streamon(); if (window(wslotn) < 0) { /* allocate negotiated window slots */ errpkt((CHAR *)"Can't open window"); RESUME; } #ifndef NOSPL if (query) { /* If this is the response to */ qbufp = querybuf; /* a query that we sent, initialize */ qbufn = 0; /* the response buffer */ querybuf[0] = NUL; } #endif /* NOSPL */ what = W_REMO; /* we're doing a REMOTE command */ #ifdef IKSDB if (ikdbopen) slotstate(what, server ? "SERVER" : "", "RECEIVE", fspec ); #endif /* IKSDB */ BEGIN rattr; /* Expect Attribute packets */ } break; case 54: { /* Attribute packet */ if (gattr(rdatap,&iattr) == 0) { /* Read into attribute structure */ #ifdef CK_RESEND ack1((CHAR *)iattr.reply.val); /* Reply with data */ #else ack(); /* If OK, acknowledge */ #endif /* CK_RESEND */ } else { /* Otherwise */ extern long fsize; char *r; r = getreason(iattr.reply.val); ack1((CHAR *)iattr.reply.val); /* refuse to accept the file */ xxscreen(SCR_ST,ST_REFU,0L,r); /* reason */ #ifdef TLOG if (tralog && !tlogfmt) doxlog(what,filnam,fsize,binary,1,r); #endif /* TLOG */ } } break; case 55: { /* First data packet */ rc = rcv_firstdata(); debug(F101,"srv_firstdata","",rc); if (rc > -1) return(rc); /* (see below) */ } break; case 56: { /* EOT, no more files */ ack(); /* Acknowledge the B packet */ reot(); /* Do EOT things */ #ifdef CK_TMPDIR /* If we were cd'd temporarily to another device or directory ... */ if (f_tmpdir) { int x; x = zchdir((char *) savdir); /* ... restore previous directory */ f_tmpdir = 0; /* and remember we did it. */ debug(F111,"ckcpro.w B tmpdir restoring",savdir,x); } #endif /* CK_TMPDIR */ RESUME; /* and quit */ } break; case 57: { /* Data packet */ if (cxseen || discard) { /* If file interrupt */ #ifdef STREAMING if (streaming) { if (cancel++ == 0) ack1((CHAR *)"X"); /* put "X" in ACK */ else fastack(); } else #endif /* STREAMING */ ack1((CHAR *)"X"); /* put "X" in ACK */ } else if (czseen) { /* If file-group interrupt */ #ifdef STREAMING if (streaming) { if (cancel++ == 0) ack1((CHAR *)"Z"); /* put "Z" in ACK */ else fastack(); } else #endif /* STREAMING */ ack1((CHAR *)"Z"); /* put "Z" in ACK */ } else { int rc, qf; #ifndef NOSPL qf = query; #else qf = 0; #endif /* NOSPL */ #ifdef CKTUNING rc = (binary && !parity) ? bdecode(rdatap,putfil): decode(rdatap, qf ? puttrm : putfil, 1); #else rc = decode(rdatap, qf ? puttrm : putfil, 1); #endif /* CKTUNING */ if (rc < 0) { discard = (keep == 0 || (keep == SET_AUTO && binary != XYFT_T)); errpkt((CHAR *)"Error writing data"); /* If failure, */ RESUME; } else /* Data written OK, send ACK */ #ifdef STREAMING if (streaming) fastack(); else #endif /* STREAMING */ ack(); } } break; case 58: { /* EOF immediately after A-Packet. */ rf_err = "Can't create file"; timint = s_timint; if (discard) { /* Discarding a real file... */ x = 1; } else if (xflg) { /* If screen data */ if (remfile) { /* redirected to file */ if (rempipe) /* or pipe */ x = openc(ZOFILE,remdest); /* Pipe: start command */ else x = opena(remdest,&iattr); /* File: open with attributes */ } else { /* otherwise */ x = opent(&iattr); /* "open" the screen */ } #ifdef CALIBRATE } else if (calibrate) { /* If calibration run */ x = ckopenx(&iattr); /* do this */ #endif /* CALIBRATE */ } else { /* otherwise */ x = opena(filnam,&iattr); /* open the file, with attributes */ } if (!x || reof(filnam, &iattr) < 0) { /* Now close & dispose of the file */ errpkt((CHAR *) rf_err); /* If problem, send error msg */ RESUME; /* and quit */ } else { /* otherwise */ ack(); /* acknowledge the EOF packet */ BEGIN rfile; /* and await another file */ } } break; case 59: { /* Ctrl-C or connection loss. */ timint = s_timint; window(1); /* Set window size back to 1... */ cxseen = 1; x = clsof(1); /* Close file */ return(success = 0); /* Failed */ } break; case 60: { /* End Of File (EOF) Packet */ /* wslots = 1; */ /* (don't set) Window size back to 1 */ #ifndef COHERENT /* Coherent compiler blows up on this switch() statement. */ x = reof(filnam, &iattr); /* Handle the EOF packet */ switch (x) { /* reof() sets the success flag */ case -3: /* If problem, send error msg */ errpkt((CHAR *)"Can't print file"); /* Fatal */ RESUME; break; case -2: errpkt((CHAR *)"Can't mail file"); /* Fatal */ RESUME; break; case 2: case 3: xxscreen(SCR_EM,0,0L,"Can't delete temp file"); /* Not fatal */ RESUME; break; default: if (x < 0) { /* Fatal */ errpkt((CHAR *)"Can't close file"); RESUME; } else { /* Success */ #ifndef NOSPL if (query) /* Query reponses generally */ conoll(""); /* don't have line terminators */ #endif /* NOSPL */ ack(); /* Acknowledge the EOF packet */ BEGIN rfile; /* and await another file */ } } #else if (reof(filnam, &iattr) < 0) { /* Close the file */ errpkt((CHAR *)"Error at end of file"); RESUME; } else { /* reof() sets success flag */ ack(); BEGIN rfile; } #endif /* COHERENT */ } break; case 61: { /* ACK for Send-Init */ spar(rdatap); /* set parameters from it */ bctu = bctr; /* switch to agreed-upon block check */ bctl = (bctu == 4) ? 2 : bctu; /* Set block-check length */ #ifdef CK_RESEND if ((sendmode == SM_RESEND) && (!atcapu || !rscapu)) { /* RESEND */ errpkt((CHAR *) "RESEND capabilities not negotiated"); RESUME; } else { #endif /* CK_RESEND */ what = W_SEND; /* Remember we're sending */ lastxfer = W_SEND; x = sfile(xflg); /* Send X or F header packet */ cancel = 0; /* Reset cancellation counter */ if (x) { /* If the packet was sent OK */ if (!xflg && filcnt == 1) /* and it's a real file */ crc16 = 0L; /* Clear the file CRC */ resetc(); /* reset per-transaction counters */ rtimer(); /* reset timers */ #ifdef GFTIMER rftimer(); #endif /* GFTIMER */ streamon(); /* turn on streaming */ #ifdef IKSDB if (ikdbopen) slotstate(what, (server ? "SERVER" : ""), "SEND", filnam, ""); #endif /* IKSDB */ BEGIN ssfile; /* and switch to receive-file state */ } else { /* otherwise send error msg & quit */ s = xflg ? "Can't execute command" : (char *)epktmsg; if (!*s) s = "Can't open file"; errpkt((CHAR *)s); RESUME; } #ifdef CK_RESEND } #endif /* CK_RESEND */ } break; case 62: { /* R packet was retransmitted. */ xsinit(); /* Resend packet 0 */ } break; case 63: { /* Same deal if G packet comes again */ xsinit(); } break; case 64: { /* Same deal if C packet comes again */ xsinit(); } break; case 65: { /* ACK for F or X packet */ srvptr = srvcmd; /* Point to string buffer */ decode(rdatap,putsrv,0); /* Decode data field, if any */ putsrv(NUL); /* Terminate with null */ ffc = 0L; /* Reset file byte counter */ if (*srvcmd) { /* If remote name was recorded */ if (sendmode != SM_RESEND) { extern char * srfspec; if (fdispla == XYFD_C || fdispla == XYFD_S) xxscreen(SCR_AN,0,0L,(char *)srvcmd); tlog(F110," remote name:",(char *) srvcmd,0L); makestr(&srfspec,(char *)srvcmd); } } if (atcapu) { /* If attributes are to be used */ if (sattr(xflg | stdinf, 1) < 0) { /* send them */ errpkt((CHAR *)"Can't send attributes"); /* if problem, say so */ RESUME; /* and quit */ } else BEGIN ssattr; /* if ok, switch to attribute state */ } else { /* Attributes not negotiated */ if (window(wslotn) < 0) { /* Open window */ errpkt((CHAR *)"Can't open window"); RESUME; } if ((x = sdata()) == -2) { /* Send first data packet data */ window(1); /* Failed, put window size back to 1 */ x = clsif(); /* Close input file */ return(success = 0); /* Return failure */ } else if (x == -9) { /* User interrupted */ errpkt((CHAR *)"User cancelled"); /* Send Error packet */ window(1); /* Set window size back to 1... */ timint = s_timint; /* Restore timeout */ return(success = 0); /* Failed */ } else if (x == -1) { /* EOF (empty file) */ window(1); /* put window size back to 1, */ debug(F101,"Y cxseen","",cxseen); x = clsif(); /* If not ok, close input file, */ if (x < 0) /* treating failure as interruption */ cxseen = 1; /* Send EOF packet */ seof(cxseen||czseen); BEGIN sseof; /* and switch to EOF state. */ } else { /* First data sent OK */ BEGIN ssdata; /* All ok, switch to send-data state */ } } } break; case 66: { /* Got ACK to A packet */ ffc = 0L; /* Reset file byte counter */ if (rsattr(rdatap) < 0) { /* Was the file refused? */ discard = 1; /* Set the discard flag */ clsif(); /* Close the file */ sxeof(1); /* send EOF with "discard" code */ BEGIN sseof; /* switch to send-EOF state */ } else if ((x = sattr(xflg | stdinf, 0)) < 0) { /* Send more? */ errpkt((CHAR *)"Can't send attributes"); /* Trouble... */ RESUME; } else if (x == 0) { /* No more to send so now the data */ if (window(wslotn) < 0) { /* Allocate negotiated window slots */ errpkt((CHAR *)"Can't open window"); RESUME; } if ((x = sdata()) == -2) { /* File accepted, send first data */ return(success = 0); /* Failed */ } else if (x == -9) { /* User interrupted */ errpkt((CHAR *)"User cancelled"); /* Send Error packet */ window(1); /* Set window size back to 1... */ timint = s_timint; /* Restore timeout */ return(success = 0); /* Failed */ } else if (x == -1) { /* EOF */ window(1); /* put window size back to 1, */ debug(F101,"Y cxseen","",cxseen); if (clsif() < 0) /* Close input file */ cxseen = 1; /* Send EOF packet */ seof(cxseen||czseen); BEGIN sseof; /* and switch to EOF state. */ } else { BEGIN ssdata; /* All ok, switch to send-data state */ } } } break; case 67: { /* Ctrl-C or connection loss. */ window(1); /* Set window size back to 1... */ cxseen = 1; /* To indicate interruption */ x = clsif(); /* Close file */ return(success = 0); /* Failed */ } break; case 68: { /* Got ACK to Data packet */ canned(rdatap); /* Check if file transfer cancelled */ if ((x = sdata()) == -2) { /* Try to send next data */ window(1); /* Set window size back to 1... */ x = clsif(); /* Close file */ return(success = 0); /* Failed */ } else if (x == -9) { /* User interrupted */ errpkt((CHAR *)"User cancelled"); /* Send Error packet */ window(1); /* Set window size back to 1... */ timint = s_timint; /* Restore original timeout */ return(success = 0); /* Failed */ } else if (x == -1) { /* EOF - finished sending data */ debug(F101,"Y cxseen","",cxseen); window(1); /* Set window size back to 1... */ if (clsif() < 0) /* Close input file */ cxseen = 1; /* Send EOF packet */ debug(F101,"Y CALLING SEOF()","",cxseen); seof(cxseen||czseen); BEGIN sseof; /* and enter send-eof state */ } } break; case 69: { /* Got ACK to EOF */ int g; success = (cxseen == 0 && czseen == 0); /* Transfer status... */ if (success && rejection > 0) /* If rejected, succeed if */ if (rejection != '#' && /* reason was date */ rejection != 1 && rejection != '?') /* or name; */ success = 0; /* fail otherwise. */ cxseen = 0; /* This goes back to zero. */ if (success) { /* Only if transfer succeeded... */ if (moving) { /* If MOVE'ing */ tlog(F110," deleting",filnam,0); /* delete the file */ zdelet(filnam); } else if (snd_move) { /* Or move it */ int x; tlog(F110," moving source to",snd_move,0); x = zrename(filnam,snd_move); debug(F111,"send MOVE zrename",snd_move,x); } else if (snd_rename) { /* Or rename it */ char *s = snd_rename; /* Renaming string */ #ifndef NOSPL int y; /* Pass it thru the evaluator */ extern int cmd_quoting; /* for \v(filename) */ if (cmd_quoting) { /* But only if cmd_quoting is on */ y = MAXRP; s = (char *)srvcmd; zzstring(snd_rename,&s,&y); s = (char *)srvcmd; } #endif /* NOSPL */ if (s) if (*s) { int x; x = zrename(filnam,s); debug(F111,"send RENAME zrename",snd_rename,x); if (x > -1) tlog(F110," renaming source to",s,0); #ifdef COMMENT *s = NUL; #endif /* COMMENT */ } } } g = gnfile(); debug(F111,"Y gnfile",filnam,g); if (g > 0) { /* Any more files to send? */ if (sfile(xflg)) /* Yes, try to send next file header */ BEGIN ssfile; /* if ok, enter send-file state */ else { /* otherwise */ s = xflg ? "Can't execute command" : (char *)epktmsg; if (!*s) s = "Can't open file"; errpkt((CHAR *)s); /* send error message */ RESUME; /* and quit */ } } else { /* No next file */ tsecs = gtimer(); /* get statistics timers */ #ifdef GFTIMER fptsecs = gftimer(); #endif /* GFTIMER */ seot(); /* send EOT packet */ BEGIN sseot; /* enter send-eot state */ } } break; case 70: { /* Got ACK to EOT */ debug(F101,"sseot justone","",justone); RESUME; /* All done, just quit */ } break; case 71: { /* Got Error packet, in any state */ char *s = ""; window(1); /* Close window */ timint = s_timint; /* Restore original timeout */ if (*epktmsg) /* Message from Error packet */ s = (char *)epktmsg; if (!*s) { /* If not there then maybe here */ s = (char *)rdatap; ckstrncpy((char *)epktmsg,(char *)rdatap,PKTMSGLEN); } if (!*s) /* Hopefully we'll never see this. */ s = "Unknown error"; success = 0; /* For IF SUCCESS/FAIL. */ debug(F101,"ckcpro.w justone at E pkt","",justone); x = quiet; quiet = 1; /* Close files silently, */ epktrcvd = 1; /* Prevent messages from clsof() */ clsif(); clsof(1); /* discarding any output file. */ success = 0; /* Transfer failed */ xferstat = success; /* Remember transfer status */ ermsg(s); /* Issue the message (calls screen). */ tstats(); /* Get stats */ quiet = x; /* Restore quiet state */ /* If we are executing commands from a command file or macro, let the command file or macro decide whether to exit, based on SET { TAKE, MACRO } ERROR. */ if ( #ifndef NOICP !cmdsrc() && #endif /* NOICP */ backgrd && !server) fatal("Protocol error"); xitsta |= what; /* Save this for doexit(). */ #ifdef CK_TMPDIR /* If we were cd'd temporarily to another device or directory ... */ if (f_tmpdir) { int x; x = zchdir((char *) savdir); /* ... restore previous directory */ f_tmpdir = 0; /* and remember we did it. */ debug(F111,"ckcpro.w E tmpdir restored",savdir,x); } #endif /* CK_TMPDIR */ #ifdef IKSDB if (ikdbopen) slotstate(what,"ERROR", (char *)epktmsg, ""); #endif /* IKSDB */ RESUME; } break; case 72: { success = 0; QUIT; } break; case 73: { /* Anything not accounted for above */ errpkt((CHAR *)"Unexpected packet type"); /* Give error message */ window(1); xitsta |= what; /* Save this for doexit(). */ RESUME; /* and quit */ } break; } } } char tbl[] = { -1, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 71, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 11, 73, 7, 73, 73, 73, 9, 4, 73, 5, 8, 73, 73, 73, 6, 73, 72, 3, 1, 73, 73, 2, 73, 10, 73, 73, 73, 73, 73, 73, 73, -1, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 15, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 13, 73, 73, 73, 73, 73, 73, 73, 11, 73, 7, 73, 73, 73, 9, 4, 73, 5, 8, 73, 73, 73, 6, 73, 72, 3, 1, 73, 73, 2, 73, 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73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 71, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 14, 73, 73, 73, 73, 73, 73, 73, 11, 73, 7, 73, 73, 73, 9, 4, 73, 5, 8, 73, 73, 73, 6, 73, 72, 3, 1, 73, 73, 2, 73, 10, 73, 73, 73, 73, 73, 73, 73, 0, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 71, 73, 73, 73, 73, 73, 73, 73, 73, 73, 24, 73, 73, 73, 12, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 11, 73, 7, 73, 73, 73, 9, 4, 73, 5, 8, 73, 73, 73, 6, 73, 72, 3, 1, 73, 73, 2, 73, 10, 73, 73, 73, 73, 73, 73,73 }; /* From here down to proto() are routines that were moved out of the state table switcher because the resulting switch() had become too large. To move the contents of a state-table case to a routine: 1. Add a prototype to the list above the state table switcher. 2. Make a routine with an appropriate name, returning int. 3. Move the code into it. 4. Put a call to the new routine in the former spot: rc = name_of_routine(); if (rc > -1) return(rc); 5. Add "return(-1);" after every RESUME, SERVE, or BEGIN macro and at the end if the code is open-ended. */ static int rcv_firstdata() { if (discard) { /* if we're discarding the file */ ack1((CHAR *)"X"); /* just ack the data like this. */ cancel++; /* and count it */ BEGIN rdpkt; /* and wait for more data packets. */ return(-1); } else { /* Not discarding. */ rf_err = "Can't open file"; if (xflg) { /* If screen data */ if (remfile) { /* redirected to file */ if (rempipe) /* or pipe */ x = openc(ZOFILE,remdest); /* Pipe: start command */ else x = opena(remdest,&iattr); /* File: open with attributes */ } else { /* otherwise */ x = opent(&iattr); /* "open" the screen */ } } else { /* otherwise */ #ifdef CALIBRATE if (calibrate) { /* If calibration run */ x = ckopenx(&iattr); /* open nothing */ #ifdef STREAMING if (streaming) /* Streaming */ fastack(); /* ACK without ACKing. */ else #endif /* STREAMING */ ack(); /* Send real ACK */ BEGIN rdpkt; /* Proceed to next state */ return(-1); } else #endif /* CALIBRATE */ #ifdef UNIX /* In UNIX we can pipe the file data into the mail program, which is to be preferred to writing it out to a temp file and then mailing it afterwards. This depends rather heavily on all UNIXes having a mail command that accepts '-s "subject"' on the command line. MAILCMD (e.g. mail, Mail, mailx) is defined in ckufio.c. */ if (*(iattr.disp.val) == 'M') { char *s; char tmp[1024]; extern char *MAILCMD; s = iattr.disp.val + 1; sprintf(tmp,"%s -s %c%s%c %s", MAILCMD, '"', ofn1, '"', s); x = openc(ZOFILE,(char *)tmp); } else if (*(iattr.disp.val) == 'P') { /* Ditto for print */ char tmp[1024]; extern char *PRINTCMD; sprintf(tmp,"%s %s", PRINTCMD, iattr.disp.val + 1); x = openc(ZOFILE,(char *)tmp); } else #endif /* UNIX */ x = opena(filnam,&iattr); /* open the file, with attributes */ } if (x) { /* If file was opened ok */ int rc, qf; #ifndef NOSPL qf = query; #else qf = 0; #endif /* NOSPL */ #ifdef CKTUNING rc = (binary && !parity) ? bdecode(rdatap,putfil): decode(rdatap, qf ? puttrm : putfil, 1); #else rc = decode(rdatap, qf ? puttrm : putfil, 1); #endif /* CKTUNING */ if (rc < 0) { errpkt((CHAR *)"Error writing data"); RESUME; return(-1); } #ifdef STREAMING if (streaming) /* Streaming was negotiated */ fastack(); /* ACK without ACKing. */ else #endif /* STREAMING */ ack(); /* acknowledge it */ BEGIN rdpkt; /* and switch to receive-data state */ return(-1); } else { /* otherwise */ errpkt((CHAR *) rf_err); /* send error packet */ RESUME; /* and quit. */ return(-1); } } } static int rcv_shortreply() { #ifdef PKTZEROHACK success = 0; debug(F111,"rcv_shortreply",rdatap,ipktlen); if (!strncmp(ipktack,(char *)rdatap,ipktlen)) { /* No it's the ACK to the I packet again */ x = scmd(vcmd,(CHAR *)cmarg); /* So send the REMOTE command again */ /* Maybe this should be resend() */ debug(F110,"IPKTZEROHACK",ipktack,x); if (x < 0) { errpkt((CHAR *)srimsg); RESUME; return(-1); } } else { ipktack[0] = NUL; #endif /* PKTZEROHACK */ urserver = 1; #ifndef NOSERVER #ifndef NOSPL if (query) { /* If to query, */ qbufp = querybuf; /* initialize query response buffer */ qbufn = 0; querybuf[0] = NUL; } #endif /* NOSPL */ x = 1; if (remfile) { /* Response redirected to file */ rf_err = "Can't open file"; if (rempipe) /* or pipe */ x = #ifndef NOPUSH zxcmd(ZOFILE,remdest) /* Pipe: Start command */ #else 0 #endif /* NOPUSH */ ; else x = opena(remdest,&iattr); /* File: Open with attributes */ debug(F111,"rcv_shortreply remfile",remdest,x); } else { x = opent(&iattr); /* "open" the screen */ } if (x) { /* If file was opened ok */ if (decode(rdatap, #ifndef NOSPL (query || !remfile) ? puttrm : #else !remfile ? puttrm : #endif /* NOSPL */ zputfil, 1) < 0) { /* Note: zputfil, not putfil. */ errpkt((CHAR *)"Error writing data"); RESUME; return(-1); } else { if (rdatap) /* If we had data */ if (*rdatap) /* add a line terminator */ if (remfile) { /* to file */ zsoutl(ZOFILE,""); } else { /* or to screen. */ #ifndef NOICP if (!query || !cmdsrc()) #endif /* NOICP */ conoll(""); } if (bye_active && network) { /* I sent BYE or REMOTE LOGOUT */ msleep(500); /* command and got the ACK... */ bye_active = 0; ttclos(0); } clsof(0); if (!epktsent && !epktrcvd) /* If no error packet... */ success = 1; /* success. */ RESUME; return(-1); } } else { /* File not opened OK */ errpkt((CHAR *) rf_err); /* send error message */ RESUME; /* and quit. */ return(-1); } #endif /* NOSERVER */ #ifdef PKTZEROHACK } #endif /* PKTZEROHACK */ debug(F101,"rcv_shortreply fallthru","",success); return(-1); } static int srv_query() { #ifndef NOSERVER #ifndef NOSPL char c; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE QUERY", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE QUERY", (char *)(srvcmd+2), ""); #endif /* IKSDB */ c = *(srvcmd+2); /* Q = Query, S = Set */ if (c == 'Q') { /* Query */ if (!ENABLED(en_que)) { /* Security */ errpkt((CHAR *)"REMOTE QUERY disabled"); RESUME; return(-1); } else { /* Query allowed */ int n; char *p, *q; qbufp = querybuf; /* Wipe out old stuff */ qbufn = 0; querybuf[0] = NUL; p = (char *) srvcmd + 3; /* Pointer for making wrapper */ n = strlen((char *)srvcmd); /* Position of end */ c = *(srvcmd+4); /* Which type of variable */ if (*(srvcmd+6) == CMDQ) { /* Starts with command quote? */ p = (char *) srvcmd + 6; /* Take it literally */ if (*p == CMDQ) p++; } else { /* They played by the rules */ if (c == 'K') { /* Kermit variable */ int k; k = (int) strlen(p); if (k > 0 && p[k-1] == ')') { p = (char *)(srvcmd + 4); *(srvcmd+4) = CMDQ; *(srvcmd+5) = 'f'; /* Function, so make it \f...() */ } else { *(srvcmd+3) = CMDQ; /* Stuff wrapping into buffer */ *(srvcmd+4) = 'v'; /* Variable, so make it \v(...) */ *(srvcmd+5) = '('; /* around variable name */ *(srvcmd+n) = ')'; *(srvcmd+n+1) = NUL; } } else { *(srvcmd+3) = CMDQ; /* Stuff wrapping into buffer */ *(srvcmd+4) = 'v'; /* Variable, so make it \v(...) */ *(srvcmd+5) = '('; /* around variable name */ *(srvcmd+n) = ')'; *(srvcmd+n+1) = NUL; if (c == 'S') { /* System variable */ *(srvcmd+4) = '$'; /* so it's \$(...) */ } else if (c == 'G') { /* Non-\ Global variable */ *(srvcmd+4) = 'm'; /* so wrap it in \m(...) */ } } } /* Now evaluate it */ n = QBUFL; /* Max length */ q = querybuf; /* Where to put it */ if (zzstring(p,&q,&n) < 0) { errpkt((n > 0) ? (CHAR *)"Can't get value" : (CHAR *)"Value too long" ); RESUME; return(-1); } else { if (encstr((CHAR *)querybuf) > -1) { /* Encode it */ ack1(data); /* If it fits, send it back in ACK */ success = 1; RESUME; return(-1); } else if (sndstring(querybuf)) { /* Long form response */ BEGIN ssinit; return(-1); } else { /* sndhlp() fails */ errpkt((CHAR *)"Can't send value"); RESUME; return(-1); } } } } else if (c == 'S') { /* Set (assign) */ if (!ENABLED(en_asg)) { /* Security */ errpkt((CHAR *)"REMOTE ASSIGN disabled"); RESUME; return(-1); } else { /* OK */ int n; n = xunchar(*(srvcmd+3)); /* Length of name */ n = 3 + n + 1; /* Position of length of value */ *(srvcmd+n) = NUL; /* Don't need it */ if (addmac((char *)(srvcmd+4),(char *)(srvcmd+n+1)) < 0) errpkt((CHAR *)"REMOTE ASSIGN failed"); else { ack(); success = 1; } RESUME; return(-1); } } else { errpkt((CHAR *)"Badly formed server command"); RESUME; return(-1); } #else errpkt((CHAR *)"Variable query/set not available"); RESUME; return(-1); #endif /* NOSPL */ #endif /* NOSERVER */ } static int srv_copy() { #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE COPY", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef ZCOPY if (!ENABLED(en_cpy)) { errpkt((CHAR *)"REMOTE COPY disabled"); RESUME; return(-1); } else { char *str1, *str2, f1[256], f2[256]; int len1, len2; len1 = xunchar(srvcmd[1]); /* Separate the parameters */ len2 = xunchar(srvcmd[2+len1]); strncpy(f1,(char *)(srvcmd+2),len1); f1[len1] = NUL; strncpy(f2,(char *)(srvcmd+3+len1),len2); f2[len2] = NUL; #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE COPY", f1, f2); #endif /* IKSDB */ if (!ENABLED(en_cwd)) { /* If CWD is disabled */ zstrip(f1,&str1); /* and they included a pathname, */ zstrip(f2,&str2); if (strcmp(f1,str1) || strcmp(f2,str2)) { /* Refuse. */ errpkt((CHAR *)"Access denied"); RESUME; /* Remember, this is not a goto! */ return(-1); } } if (state == generic) { /* It's OK to go ahead. */ if (zcopy(f1,f2)) { /* Try */ errpkt((CHAR *)"Can't copy file"); /* give error message */ } else { success = 1; ack(); } RESUME; /* wait for next server command */ return(-1); } } return(-1); #else /* no ZCOPY */ errpkt((CHAR *)"REMOTE COPY not available"); /* give error message */ RESUME; /* wait for next server command */ return(-1); #endif /* ZCOPY */ #endif /* NOSERVER */ } static int srv_rename() { #ifndef NOSERVER #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE RENAME", (char *)srvcmd); #endif /* CKSYSLOG */ #ifdef ZRENAME if (!ENABLED(en_ren)) { errpkt((CHAR *)"REMOTE RENAME disabled"); RESUME; return(-1); } else { /* RENAME is enabled */ char *str1, *str2, f1[256], f2[256]; int len1, len2; len1 = xunchar(srvcmd[1]); /* Separate the parameters */ len2 = xunchar(srvcmd[2+len1]); strncpy(f1,(char *)(srvcmd+2),len1); f1[len1] = NUL; strncpy(f2,(char *)(srvcmd+3+len1),len2); f2[len2] = NUL; len2 = xunchar(srvcmd[2+len1]); strncpy(f1,(char *)(srvcmd+2),len1); f1[len1] = NUL; strncpy(f2,(char *)(srvcmd+3+len1),len2); f2[len2] = NUL; #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE RENAME", f1, f2); #endif /* IKSDB */ if (!ENABLED(en_cwd)) { /* If CWD is disabled */ zstrip(f1,&str1); /* and they included a pathname, */ zstrip(f2,&str2); if ( strcmp(f1,str1) || strcmp(f2,str2) ) { /* refuse. */ errpkt((CHAR *)"Access denied"); RESUME; /* Remember, this is not a goto! */ return(-1); } } if (state == generic) { /* It's OK to go ahead. */ if (zrename(f1,f2)) { /* Try */ errpkt((CHAR *)"Can't rename file"); /* Give error msg */ } else { success = 1; ack(); } RESUME; /* Wait for next server command */ return(-1); } } return(-1); #else /* no ZRENAME */ /* Give error message */ errpkt((CHAR *)"REMOTE RENAME not available"); RESUME; /* Wait for next server command */ return(-1); #endif /* ZRENAME */ #endif /* NOSERVER */ } static int srv_login() { #ifndef NOSERVER char f1[LOGINLEN+1], f2[LOGINLEN+1], f3[LOGINLEN+1]; CHAR *p; int len, i; debug(F101,"REMOTE LOGIN x_login","",x_login); debug(F101,"REMOTE LOGIN x_logged","",x_logged); f1[0] = NUL; f2[0] = NUL; f3[0] = NUL; len = 0; if (srvcmd[1]) /* First length field */ len = xunchar(srvcmd[1]); /* Separate the parameters */ if (x_login) { /* Login required */ if (x_logged) { /* And already logged in */ if (len > 0) { /* Logging in again */ errpkt((CHAR *)"Already logged in."); } else { /* Logging out */ debug(F101,"REMOTE LOGOUT","",x_logged); #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE LOGOUT", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"REMOTE LOGOUT", "", ""); #endif /* IKSDB */ tlog(F110,"Logged out",x_user,0); ack1((CHAR *)"Logged out"); success = 1; msleep(500); #ifdef CK_LOGIN x_logged = 0; #ifdef IKSD if (inserver) ckxlogout(); #endif /* IKSD */ #endif /* CK_LOGIN */ } } else { /* Not logged in yet */ debug(F101,"REMOTE LOGIN len","",len); if (len > 0) { /* Have username */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "REMOTE LOGIN", NULL); #endif /* CKSYSLOG */ if (len > LOGINLEN) { errpkt((CHAR *)"Username too long"); } p = srvcmd + 2; /* Point to it */ for (i = 0; i < len; i++) /* Copy it */ f1[i] = p[i]; f1[len] = NUL; /* Terminate it */ p += len; /* Point to next length field */ if (*p) { /* If we have one */ len = xunchar(*p++); /* decode it */ if (len > 0 && len <= LOGINLEN) { for (i = 0; i < len; i++) /* Same deal for password */ f2[i] = p[i]; f2[len] = NUL; p += len; /* And account */ if (*p) { len = xunchar(*p++); if (len > 0 && len <= LOGINLEN) { for (i = 0; i < len; i++) f3[i] = p[i]; /* Set but never used */ f3[len] = NUL; /* (because account not used) */ } } } } debug(F101,"REMOTE LOGIN 1","",x_logged); #ifdef IKSD #ifdef CK_LOGIN if (inserver) { /* Log in to system for real */ x_logged = ckxlogin((CHAR *)f1,(CHAR *)f2,NULL,0); debug(F101,"REMOTE LOGIN 2","",x_logged); if (x_logged) { /* Count attempts */ logtries = 0; justone = 1; } else { logtries++; sleep(logtries); } } else #endif /* CK_LOGIN */ #endif /* IKSD */ if (x_user && x_passwd) { /* User and password must match */ if (!strcmp(x_user,f1)) /* SET SERVER LOGIN */ if (!strcmp(x_passwd,f2)) x_logged = 1; debug(F101,"REMOTE LOGIN 3","",x_logged); } else if (x_user) { /* Only username given, no password */ if (!strcmp(x_user,f1)) /* so only username must match */ x_logged = 1; debug(F101,"REMOTE LOGIN 4","",x_logged); } if (x_logged) { /* Logged in? */ tlog(F110,"Logged in", x_user, 0); if (isguest) ack1((CHAR *)"Logged in as guest - restrictions apply"); else ack1((CHAR *)"Logged in"); success = 1; } else { tlog(F110,"Login failed", f1, 0); errpkt((CHAR *)"Access denied."); #ifdef IKSD #ifdef CK_LOGIN if (inserver && logtries > 2) ckxlogout(); #endif /* CK_LOGIN */ #endif /* IKSD */ } } else { /* LOGOUT */ errpkt((CHAR *)"Logout ignored"); } } } else { /* Login not required */ if (len > 0) errpkt((CHAR *)"Login ignored."); else errpkt((CHAR *)"Logout ignored."); } #endif /* NOSERVER */ RESUME; return(-1); } static int srv_timeout() { #ifndef OS2 /* K95 does this its own way */ if (idletmo) { #ifdef IKSD if (inserver) { printf("\r\nIKSD IDLE TIMEOUT: %d sec\r\n", srvidl); doexit(GOOD_EXIT,xitsta); } #endif /* IKSD */ idletmo = 0; printf("\r\nSERVER IDLE TIMEOUT: %d sec\r\n", srvidl); xitsta |= what; QUIT; } #endif /* OS2 */ #ifndef NOSERVER #ifndef OS2 else #endif /* OS2 */ if (fatalio) { /* Connection lost */ #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "Connection lost", NULL); #endif /* CKSYSLOG */ #ifdef IKSDB if (ikdbopen) slotstate(what,"SERVER DISCONNECT",(char *)srvcmd, ""); #endif /* IKSDB */ xitsta |= what; QUIT; } else if (interrupted) { /* Interrupted by hand */ if (!ENABLED(en_fin)) { errpkt((CHAR *)"QUIT disabled"); RESUME; return(-1); } else { if (what == W_SEND || what == W_RECV || what == W_REMO) { success = 0; #ifdef CKSYSLOG if (ckxsyslog >= SYSLG_PR && ckxlogging) cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL); #endif /* CKSYSLOG */ } else if (what == W_NOTHING && filcnt == 0) { success = 1; } /* Otherwise leave success alone */ xitsta |= what; QUIT; } } else { /* Shouldn't happen */ debug(F100,"SERVER (top) GOT UNEXPECTED 'q'","",0); QUIT; } #endif /* NOSERVER */ } static int rcv_s_pkt() { #ifndef NOSERVER if (state == rgen) urserver = 1; if (/* state == serve && */ x_login && !x_logged) { errpkt((CHAR *)"Login required"); SERVE; } else #endif /* NOSERVER */ if (state == serve && !ENABLED(en_sen)) { /* Not in server mode */ errpkt((CHAR *)"SEND disabled"); /* when SEND is disabled. */ RESUME; return(-1); } else { /* OK to go ahead. */ #ifdef CK_TMPDIR if (dldir && !f_tmpdir) { /* If they have a download directory */ debug(F110,"receive download dir",dldir,0); if (s = zgtdir()) { /* Get current directory */ debug(F110,"receive current dir",s,0); if (zchdir(dldir)) { /* Change to download directory */ debug(F100,"receive zchdir ok","",0); ckstrncpy(savdir,s,TMPDIRLEN); f_tmpdir = 1; /* Remember that we did this */ } else debug(F100,"receive zchdir failed","",0); } } #endif /* CK_TMPDIR */ nakstate = 1; /* Can send NAKs from here. */ rinit(rdatap); /* Set parameters */ bctu = bctr; /* Switch to agreed-upon block check */ bctl = (bctu == 4) ? 2 : bctu; /* Set block-check length */ what = W_RECV; /* Remember we're receiving */ lastxfer = W_RECV; resetc(); /* Reset counters */ rtimer(); /* Reset timer */ #ifdef GFTIMER rftimer(); #endif /* GFTIMER */ streamon(); BEGIN rfile; /* Go into receive-file state */ } return(-1); } /* END OF ROUTINES MOVED OUT OF STATE MACHINE */ /* P R O T O -- Protocol entry function */ static int is_tn = 0; /* It's a Telnet connection */ #ifdef CK_SPEED int f_ctlp = 0; /* Control-character prefix table */ #ifdef COMMENT short s_ctlp[256]; #endif /* COMMENT */ #endif /* CK_SPEED */ /* This is simply a wrapper for the real protocol function just below, that saves any items that might be changed automatically by protocol negotiations and then restores them upon exit from protocol mode. */ VOID proto() { extern int b_save, f_save, c_save, ss_save, slostart, reliable, urclear; #ifndef NOCSETS extern int fcharset, fcs_save, tcharset, tcs_save; #endif /* NOCSETS */ #ifdef PIPESEND extern int pipesend; #endif /* PIPESEND */ #ifdef OS2 extern int cursorena[], cursor_save, term_io; extern BYTE vmode; extern int display_demo; int term_io_save; #endif /* OS2 */ #ifdef TNCODE int _u_bin=0, _me_bin=0; #ifdef IKS_OPTION int _u_start=0, _me_start=0; #endif /* IKS_OPTION */ #endif /* TNCODE */ #ifdef PATTERNS extern int patterns; int pa_save; int i; #endif /* PATTERNS */ #ifdef PATTERNS pa_save = patterns; #endif /* PATTERNS */ #ifdef CK_LOGIN if (isguest) { /* If user is anonymous */ en_pri = 0; /* disable printing */ en_mai = 0; /* and disable email */ en_del = 0; /* and file deletion */ } #endif /* CK_LOGIN */ #ifdef OS2 cursor_save = cursorena[vmode]; cursorena[vmode] = 0; term_io_save = term_io; term_io = 0; #endif /* OS2 */ b_save = binary; /* SET FILE TYPE */ f_save = fncnv; /* SET FILE NAMES */ c_save = bctr; p_save = fnspath; r_save = recursive; s_timint = timint; ss_save = slostart; #ifndef NOCSETS fcs_save = fcharset; tcs_save = tcharset; #endif /* NOCSETS */ #ifdef COMMENT /* Don't do this because then user can never find out what happened. */ #ifdef CK_SPEED for (i = 0; i < 256; i++) s_ctlp[i] = ctlp[i]; f_ctlp = 1; #endif /* CK_SPEED */ #endif /* COMMENT */ if (reliable == SET_ON) slostart = 0; is_tn = (!local && sstelnet) #ifdef TNCODE || (local && network && ttnproto == NP_TELNET) #endif /* TNCODE */ ; #ifdef TNCODE if (is_tn) { if (tn_b_xfer && !(sstelnet || inserver)) { /* Save the current state of Telnet Binary */ _u_bin = TELOPT_U(TELOPT_BINARY); _me_bin = TELOPT_ME(TELOPT_BINARY); /* If either direction is not Binary attempt to negotiate it */ if (!_u_bin && TELOPT_U_MODE(TELOPT_BINARY) != TN_NG_RF) { tn_sopt(DO,TELOPT_BINARY); TELOPT_UNANSWERED_DO(TELOPT_BINARY) = 1; } if (!_me_bin && TELOPT_ME_MODE(TELOPT_BINARY) != TN_NG_RF) { tn_sopt(WILL,TELOPT_BINARY); TELOPT_UNANSWERED_WILL(TELOPT_BINARY) = 1; } if (!(_me_bin && _u_bin)) tn_wait("proto set binary mode"); } #ifdef IKS_OPTION if (sstate == 'x' || sstate == 'v') { /* Responding to a request */ if (!inserver && TELOPT_U(TELOPT_KERMIT) && TELOPT_SB(TELOPT_KERMIT).kermit.u_start) { iks_wait(KERMIT_REQ_STOP,0); /* Stop the other Server */ _u_start = 1; } if (TELOPT_ME(TELOPT_KERMIT) && !TELOPT_SB(TELOPT_KERMIT).kermit.me_start) { tn_siks(KERMIT_START); /* Send Kermit-Server Start */ TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 1; } } else { /* Initiating a request */ if (TELOPT_ME(TELOPT_KERMIT) && TELOPT_SB(TELOPT_KERMIT).kermit.me_start) { tn_siks(KERMIT_STOP); /* I'm not servering */ TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 0; _me_start = 1; } if (TELOPT_U(TELOPT_KERMIT) && !TELOPT_SB(TELOPT_KERMIT).kermit.u_start) { /* Send Req-Server-Start */ if (!iks_wait(KERMIT_REQ_START,0)) { if (sstate != 's') { success = 0; /* Other Kermit refused to serve */ if (local) printf("A Kermit server is not available\r\n"); debug(F110,"proto()", "A Kermit Server is not available",0); tlog(F110,"IKS client/server failure", "A Kermit Server is not available",0); goto xxprotox; } } } } #endif /* IKS_OPTION */ #ifdef CK_ENCRYPTION if (tn_no_encrypt_xfer && !(sstelnet || inserver)) { ck_tn_enc_stop(); } #endif /* CK_ENCRYPTION */ } #endif /* TNCODE */ if (!xfrint) connoi(); xxproto(); /* Call the real protocol function */ #ifdef IKS_OPTION xxprotox: #endif /* IKS_OPTION */ xferstat = success; /* Remember transfer status */ kactive = 0; #ifdef TNCODE #ifdef CK_ENCRYPTION if (tn_no_encrypt_xfer && !(sstelnet || inserver)) { ck_tn_enc_start(); } #endif /* CK_ENCRYPTION */ #ifdef IKS_OPTION if (TELOPT_ME(TELOPT_KERMIT) && TELOPT_SB(TELOPT_KERMIT).kermit.me_start && !_me_start) { tn_siks(KERMIT_STOP); /* Server is stopped */ TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 0; } #endif /* IKS_OPTION */ if (is_tn && tn_b_xfer && !(sstelnet || inserver)) { /* if we negotiated Binary mode try to reset it */ if (!_u_bin) { /* Check to see if the state changed during the transfer */ if (TELOPT_U(TELOPT_BINARY)) { tn_sopt(DONT,TELOPT_BINARY); TELOPT_UNANSWERED_DONT(TELOPT_BINARY) = 1; } else _u_bin = 1; /* So we don't call tn_wait() */ } if (!_me_bin) { /* Check to see if the state changed during the transfer */ if (TELOPT_ME(TELOPT_BINARY)) { tn_sopt(WONT,TELOPT_BINARY); TELOPT_UNANSWERED_WONT(TELOPT_BINARY) = 1; } else _me_bin = 1; /* So we don't call tn_wait() */ } if (!(_me_bin && _u_bin)) tn_wait("proto reset binary mode"); } #endif /* TNCODE */ #ifdef PATTERNS patterns = pa_save; #endif /* PATTERNS */ #ifdef STREAMING streaming = 0; /* streamok = 0; */ #endif /* STREAMING */ #ifdef COMMENT #ifdef CK_SPEED for (i = 0; i < 256; i++) ctlp[i] = s_ctlp[i]; f_ctlp = 0; #endif /* CK_SPEED */ #endif /* COMMENT */ urclear = 0; if (!success) { xitsta |= what; tlog(F110," failed:",(char *)epktmsg,0); } debug(F111,"proto xferstat",epktmsg,xferstat); slostart = ss_save; if (s_timint > -1) { /* Because of REMOTE SET */ timint = s_timint; s_timint = -1; } recursive = r_save; fnspath = p_save; if (c_save > -1) { /* Because of REMOTE SET */ bctr = c_save; c_save = -1; } fncnv = f_save; binary = b_save; #ifdef PIPESEND pipesend = 0; /* Next time might not be pipesend */ #endif /* PIPESEND */ #ifdef OS2 cursorena[vmode] = cursor_save; term_io = term_io_save; display_demo = 1; #endif /* OS2 */ } static VOID xxproto() { int x; long lx; #ifdef CK_XYZ #ifdef XYZ_INTERNAL _PROTOTYP( int pxyz, (int) ); #endif /* XYZ_INTERNAL */ #endif /* CK_XYZ */ char xss[2]; /* String representation of sstate */ xss[0] = sstate; xss[1] = NUL; s_timint = timint; debug(F101,"xxproto entry justone","",justone); success = 0; retrieve = 0; /* Reset these ... */ reget = 0; opkt = 0; if (local && ttchk() < 0) { /* Giving BYE or FIN */ if (bye_active) { /* but there is no connection */ ttclos(0); success = 1; return; } /* Ditto for any REMOTE command */ if (sstate == 'g' && cmarg ) { if (*cmarg == 'L' || *cmarg == 'F' || *cmarg == 'X') success = 1; else printf("?No connection\r\n"); return; } } /* Set up the communication line for file transfer. */ if (local && (speed < 0L) && (network == 0)) { xxscreen(SCR_EM,0,0L,"Sorry, you must 'set speed' first"); return; } x = -1; if (ttopen(ttname,&x,mdmtyp,cdtimo) < 0) { debug(F111,"failed: proto ttopen local",ttname,local); xxscreen(SCR_EM,0,0L,"Can't open line"); return; } if (x > -1) local = x; debug(F111,"proto ttopen local",ttname,local); lx = (local && !network) ? speed : -1; #ifdef NETCONN #ifdef CK_SPEED if (is_tn) { ctlp[(unsigned)255] = ctlp[CR] = 1; if (parity == 'e' || parity == 'm') ctlp[127] = 1; if (flow == FLO_XONX) { /* Also watch out for Xon/Xoff */ ctlp[17] = ctlp[19] = 1; ctlp[17+128] = ctlp[19+128] = 1; } } #endif /* CK_SPEED */ #endif /* NETCONN */ if (ttpkt(lx,flow,parity) < 0) { /* Put line in packet mode, */ xxscreen(SCR_EM,0,0L,"Can't condition line"); return; } if (local && !network && carrier != CAR_OFF) { int x; /* Serial connection */ x = ttgmdm(); /* with carrier checking */ if (x > -1) { if (!(x & BM_DCD)) { debug(F101,"proto ttgmdm","",0); xxscreen(SCR_EM,0,0L,"Carrier required but not detected"); return; } } } /* Send remote side's "receive" or "server" startup string, if any */ if (local && ckindex((char *)xss,"srgcjhk",0,0,1)) { char *s = NULL; if ( #ifdef IKS_OPTION /* Don't send auto-blah string if we know other side is serving */ !TELOPT_U(TELOPT_KERMIT) || !TELOPT_SB(TELOPT_KERMIT).kermit.u_start #else 1 #endif /* IKS_OPTION */ ) { if (sstate == 's') { /* Sending file(s) */ s = binary ? ptab[protocol].h_b_init : ptab[protocol].h_t_init; } else if (protocol == PROTO_K) { /* Command for server */ s = ptab[protocol].h_x_init; } } #ifdef CK_SPEED #ifndef UNPREFIXZERO if (protocol == PROTO_K) /* Because of C-strings... */ ctlp[0] = 1; #endif /* UNPREFIXZERO */ #endif /* CK_SPEED */ if (s) if (*s) { /* If we have a command to send... */ char tmpbuf[356]; int stuff = -1, stuff2 = -1, len = 0; extern int tnlm; strcpy(tmpbuf,s); if (sstate == 's') /* Sending file(s) */ sprintf(tmpbuf, s, cmarg2[0] ? cmarg2 : cmarg); /* For XMODEM */ else /* Command for server */ sprintf(tmpbuf, s); strcat(tmpbuf, "\015"); if (tnlm) /* TERMINAL NEWLINE ON */ stuff = LF; /* Stuff LF */ #ifdef TNCODE /* TELNET NEWLINE MODE */ if (is_tn) { switch (TELOPT_ME(TELOPT_BINARY) ? tn_b_nlm : tn_nlm) { case TNL_CR: break; case TNL_CRNUL: break; case TNL_CRLF: stuff2 = stuff; stuff = LF; break; } } #endif /* TNCODE */ #ifdef NETCONN #ifdef TCPSOCKET #ifdef RLOGCODE if (network && ttnproto == NP_RLOGIN) { switch (tn_b_nlm) { /* Always BINARY */ case TNL_CR: break; case TNL_CRNUL: stuff2 = stuff; stuff = NUL; break; case TNL_CRLF: stuff2 = stuff; stuff = LF; break; } } #endif /* RLOGCODE */ #endif /* TCPSOCKET */ #endif /* NETCONN */ len = strlen(tmpbuf); if (stuff >= 0) { tmpbuf[len++] = stuff; if (stuff2 >= 0) tmpbuf[len++] = stuff2; tmpbuf[len] = NUL; } ttol((CHAR *)tmpbuf,len); if (protocol == PROTO_K) /* Give remote Kermit time to start */ msleep(400); } } #ifdef CK_XYZ if (protocol != PROTO_K) { /* Non-Kermit protocol selected */ char tmpbuf[356]; char * s = ""; #ifdef XYZ_INTERNAL /* Internal */ success = !pxyz(sstate); #else #ifdef CK_REDIR /* External */ switch (sstate) { case 's': /* 'Tis better to SEND... */ s = binary ? ptab[protocol].p_b_scmd : ptab[protocol].p_t_scmd; break; case 'v': /* ... than RECEIVE */ s = binary ? ptab[protocol].p_b_rcmd : ptab[protocol].p_t_rcmd; break; } if (!s) s = ""; if (*s) { sprintf(tmpbuf,s,(sstate == 's') ? fspec : cmarg2); debug(F110,"ckcpro ttruncmd",tmpbuf,0); success = ttruncmd(tmpbuf); } else { printf("?Sorry, no external protocol defined for %s\r\n", ptab[protocol].p_name ); } #else printf( "Sorry, only Kermit protocol is supported in this version of Kermit\n" ); #endif /* CK_REDIR */ #endif /* XYZ_INTERNAL */ return; } #endif /* CK_XYZ */ #ifdef NTSIGX conraw(); connoi(); #else if (!local) connoi(); /* No console interrupts if remote */ #endif /* NTSIG */ kactive = 1; if (sstate == 'x') { /* If entering server mode, */ server = 1; /* set flag, */ debug(F101,"server backgrd","",backgrd); debug(F101,"server quiet","",quiet); debug(F100,"SHOULD NOT SEE THIS IF IN BACKGROUND!","",0); if (!local) { /* and issue appropriate message. */ if (!quiet && !backgrd #ifdef IKS_OPTION && !TELOPT_ME(TELOPT_KERMIT) /* User was told by negotiation */ #endif /* IKS_OPTION */ ) { conoll(srvtxt); conoll("KERMIT READY TO SERVE..."); } } else { conol("Entering server mode on "); conoll(ttname); conoll("Type Ctrl-C to quit."); if (srvdis) intmsg(-1L); #ifdef TCPSOCKET #ifndef NOLISTEN if (network && tcpsrfd > 0) ttol((CHAR *)"KERMIT READY TO SERVE...\015\012",26); #endif /* NOLISTEN */ #endif /* TCPSOCKET */ } } else server = 0; #ifdef VMS if (!quiet && !backgrd) /* So message doesn't overwrite prompt */ conoll(""); if (local) conres(); /* So Ctrl-C will work */ #endif /* VMS */ /* If in remote mode, not shushed, not in background, and at top command level, issue a helpful message telling what to do... */ if (!local && !quiet && !backgrd) { if (sstate == 'v') { conoll("Return to your local Kermit and give a SEND command."); conoll(""); conoll("KERMIT READY TO RECEIVE..."); } else if (sstate == 's') { conoll("Return to your local Kermit and give a RECEIVE command."); conoll(""); conoll("KERMIT READY TO SEND..."); } else if ( sstate == 'g' || sstate == 'r' || sstate == 'h' || sstate == 'j' || sstate == 'c' ) { conoll("Return to your local Kermit and give a SERVER command."); conoll(""); conoll((sstate == 'r' || sstate == 'j' || sstate == 'h') ? "KERMIT READY TO GET..." : "KERMIT READY TO SEND SERVER COMMAND..."); } } #ifdef COMMENT if (!local) sleep(1); #endif /* COMMENT */ /* The 'wart()' function is generated by the wart program. It gets a character from the input() routine and then based on that character and the current state, selects the appropriate action, according to the state table above, which is transformed by the wart program into a big case statement. The function is active for one transaction. */ rtimer(); /* Reset elapsed-time timer */ #ifdef GFTIMER rftimer(); #endif /* GFTIMER */ resetc(); /* & other per-transaction counters. */ debug(F101,"proto calling wart, justone","",justone); wart(); /* Enter the state table switcher. */ /* Note: the following is necessary in case we have just done a remote-mode file transfer, in which case the controlling terminal modes have been changed by ttpkt(). In particular, special characters like Ctrl-C and Ctrl-\ might have been turned off (see ttpkt). So this call to ttres() is essential. IMPORTANT: restore interrupt handlers first, otherwise any terminal interrupts that occur before this is done in the normal place later will cause a crash. */ #ifdef OS2 ttres(); /* Reset the communication device */ #else if (!local) { setint(); /* Arm interrupt handlers FIRST */ msleep(500); ttres(); /* Then restore terminal. */ } #endif /* OS2 */ xxscreen(SCR_TC,0,0L,""); /* Transaction complete */ x = quiet; quiet=1; clsif(); /* Failsafe in case we missed */ clsof(1); /* a case in the state machine. */ quiet = x; if (server) { /* Back from packet protocol. */ if (!quiet && !backgrd #ifdef IKSD && !inserver #endif /* IKSD */ ) { /* Give appropriate message */ conoll(""); conoll("C-Kermit server done"); } server = 0; /* Not a server any more */ } } /* S G E T I N I T -- Handle incoming GET-Class packets */ /* Returns: -1: On error 0: GET packet processed OK - ready to Send. 1: Extended GET processed OK - wait for another. */ static int sgetinit(reget,xget) int reget, xget; { /* Server end of GET command */ char * fs = NULL; /* Pointer to filespec */ int i, n, done = 0; #ifdef PATTERNS extern int patterns; #endif /* PATTERNS */ #ifdef PIPESEND extern int usepipes, pipesend; #endif /* PIPESEND */ if (!ENABLED(en_get)) { /* Only if not disabled! */ errpkt((CHAR *)"GET disabled"); return(-1); } /* OK to proceed */ #ifdef WHATAMI /* If they are alike this was already done in whoarewe() */ debug(F101,"sgetinit whatru","",whatru); if (whatru & WMI_FLAG) { /* Did we get WHATAMI info? */ debug(F101,"sgetinit binary (1)","",binary); #ifdef VMS if (binary != XYFT_I && binary != XYFT_L) #else #ifdef OS2 if (binary != XYFT_L) #endif /* OS2 */ #endif /* VMS */ binary = (whatru & WMI_FMODE) ? /* Yes, set file type */ XYFT_B : XYFT_T; /* automatically */ debug(F101,"sgetinit binary (2)","",binary); if (!wearealike) fncnv = (whatru & WMI_FNAME) ? 1 : 0; /* And name conversion */ } #endif /* WHATAMI */ fs = (char *)srvcmd; srvptr = srvcmd; /* Point to server command buffer */ decode(rdatap,putsrv,0); /* Decode the GET command into it */ /* Accept multiple filespecs */ cmarg2 = ""; /* Don't use cmarg2 */ cmarg = ""; /* Don't use cmarg */ done = 1; /* Only 1 packet needed... */ if (xget) { /* Special decoding for Extended GET */ char L, next, c; /* PLV items */ int len, val; /* More PLV items */ char * p = (char *)srvcmd; /* String to decode */ done = 0; /* Maybe more packets needed */ fs = NULL; /* We don't know the filespec yet */ c = *p++; /* Get first parameter */ while (c) { /* For all parameters... */ debug(F000,"sgetinit c","",c); L = *p++; /* Get length */ if (L >= SP) /* Decode length */ len = xunchar(L); else if (c == '@') { /* Allow missing EOP length field */ len = 0; } else { len = (xunchar(*p++) * 95); len += xunchar(*p++); } debug(F101,"sgetinit len","",len); next = *(p+len); /* Get next parameter */ *(p+len) = NUL; /* Zero it out to terminal value */ debug(F110,"sgetinit p",p,0); switch (c) { /* Do the parameter */ case 'O': /* GET Options */ val = atoi(p); /* Convert to int */ debug(F101,"sgetinit O val","",val); if (val & GOPT_DEL) moving = 1; if (val & GOPT_RES) reget = 1; if (val & GOPT_REC) { recursive = 1; if (fnspath == PATH_OFF) fnspath = PATH_REL; } break; case 'M': /* Transfer Mode */ val = atoi(p); debug(F101,"sgetinit M val","",val); if (val < 1) break; #ifdef PATTERNS patterns = 0; /* Takes precedence over patterns */ #endif /* PATTERNS */ if (val == GMOD_TXT) binary = XYFT_T; /* Text */ if (val == GMOD_BIN) binary = XYFT_B; /* Binary */ if (val == GMOD_LBL) binary = XYFT_L; /* Labeled */ break; case 'F': /* Filename */ fs = p; debug(F110,"sgetinit filename",fs,0); break; case '@': /* End Of Parameters */ done = 1; debug(F100,"sgetinit EOP","",0); break; default: errpkt((CHAR *)"Unknown GET Parameter"); debug(F100,"sgetinit unknown parameter","",0); return(-1); } p += (len + 1); c = next; } } if (!fs) fs = ""; /* A filename is required */ if (*fs) { havefs = 1; n = 0; /* Check for quoted name */ if ((n = strlen(fs)) > 1) { /* Note: this does not allow for multiple quoted names */ if ((fs[0] == '{' && fs[n-1] == '}') || (fs[0] == '"' && fs[n-1] == '"')) { fs[n-1] = '\0'; fs++; debug(F111,"sgetinit unquoted filename",fs,n); } else n = 0; /* This means no quoting */ } #ifdef PIPESEND debug(F111,"sgetinit",fs,usepipes); if (usepipes && ENABLED(en_hos) && *fs == '!') { cmarg = fs + 1; /* Point past the bang */ *fs = NUL; nfils = -1; pipesend = 1; debug(F111,"sgetinit pipesend",cmarg,pipesend); } if (!pipesend) { /* If it's not a pipe */ #endif /* PIPESEND */ if (n == 0) { /* If the name was not quoted */ #ifndef NOMSEND nfils = fnparse(fs); /* Allow it to be a list of names */ } else { /* If it was quoted */ #endif /* NOMSEND */ nzxopts = 0; #ifdef UNIXOROSK if (matchdot) nzxopts |= ZX_MATCHDOT; #endif /* UNIXOROSK */ if (recursive) nzxopts |= ZX_RECURSE; /* Treat as a single filespec */ nfils = 0 - nzxpand(fs,nzxopts); cmarg = fs; } #ifdef PIPESEND } #endif /* PIPESEND */ } if (!done) { /* Need more O packets... */ debug(F100,"sgetinit O-Packet TBC","",0); /* To Be Continued */ return(1); } debug(F100,"sgetinit O-Packet done - havefs","",havefs); if (!havefs) { /* Done - make sure we have filename */ errpkt((CHAR *)"GET without filename"); return(-1); } freerpkt(winlo); winlo = 0; /* Back to packet 0 again. */ debug(F101,"sgetinit winlo","",winlo); nakstate = 0; /* Now I'm the sender! */ if (reget) sendmode = SM_RESEND; if (sinit() > 0) { /* Send Send-Init */ #ifdef STREAMING if (!streaming) #endif /* STREAMING */ timint = chktimo(rtimo,timef); /* Switch to per-packet timer */ return(0); /* If successful, switch state */ } else return(-1); /* Else back to server command wait */ } #else /* NOXFER */ #include "ckcdeb.h" VOID proto() { extern int success; success = 0; } #endif /* NOXFER */