Added part of ymodem code
This commit is contained in:
Michiel Broek
parent
7cddef06b2
commit
3b5d10b78e
@ -132,6 +132,8 @@ dispfile.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ../lib/users.h ../lib/msg
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userlist.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ../lib/users.h userlist.h language.h input.h timeout.h term.h ttyio.h
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timestats.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ../lib/users.h timestats.h funcs.h language.h input.h exitinfo.h term.h
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logentry.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ../lib/users.h logentry.h
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ymsend.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ymsend.h ttyio.h zmmisc.h transfer.h openport.h timeout.h term.h
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ymrecv.o: ../config.h ../lib/mbselib.h ../lib/mbse.h ymrecv.h
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zmmisc.o: ../config.h ../lib/mbselib.h ttyio.h zmmisc.h
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zmsend.o: ../config.h ../lib/mbselib.h ttyio.h zmmisc.h transfer.h openport.h timeout.h
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zmrecv.o: ../config.h ../lib/mbselib.h ../lib/users.h ttyio.h transfer.h zmmisc.h zmrecv.h openport.h timeout.h input.h
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347
mbsebbs/ymsend.c
347
mbsebbs/ymsend.c
@ -32,5 +32,352 @@
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#include "../lib/mbselib.h"
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#include "../lib/mbse.h"
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#include "ymsend.h"
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#include "ttyio.h"
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#include "zmmisc.h"
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#include "transfer.h"
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#include "openport.h"
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#include "timeout.h"
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#include "term.h"
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#define MAX_BLOCK 8192
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#define sendline(c) PUTCHAR((c) & 0377)
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FILE *input_f;
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char Crcflg;
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char Lastrx;
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int Fullname=0; /* transmit full pathname */
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int Filesleft;
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long Totalleft;
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long bytes_sent;
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int Ascii=0; /* Add CR's for brain damaged programs */
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int firstsec;
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int Optiong; /* Let it rip no wait for sector ACK's */
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int Lfseen=0;
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int Totsecs; /* total number of sectors this file */
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char *txbuf;
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size_t blklen=128; /* length of transmitted records */
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int zmodem_requested = 0;
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int Dottoslash=0; /* Change foo.bar.baz to foo/bar/baz */
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static int no_unixmode;
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extern int Rxtimeout;
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static int getnak(void);
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int wcputsec(char *, int, size_t);
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static size_t filbuf(char *, size_t);
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/*
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* generate and transmit pathname block consisting of
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* pathname (null terminated),
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* file length, mode time and file mode in octal
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* as provided by the Unix fstat call.
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* N.B.: modifies the passed name, may extend it!
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*/
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static int wctxpn(char *fname)
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{
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register char *p, *q;
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char *name2;
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struct stat f;
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name2 = alloca(PATH_MAX+1);
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input_f = fopen(fname, "r");
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if (protocol == ZM_XMODEM) {
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if (*fname && fstat(fileno(input_f), &f) != -1) {
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Syslog('y', "Sending %s, %ld blocks: ", fname, (long) (f.st_size >> 7));
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}
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PUTSTR((char *)"Give your local XMODEM receive command now.");
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Enter(1);
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return OK;
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}
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if (!zmodem_requested)
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if (getnak()) {
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PUTSTR((char *)"getnak failed");
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Syslog('+', "%s/%s: getnak failed", fname, protname());
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return ERROR;
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}
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q = (char *) 0;
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if (Dottoslash) { /* change . to . */
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for (p = fname; *p; ++p) {
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if (*p == '/')
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q = p;
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else if (*p == '.')
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*(q=p) = '/';
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}
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if (q && strlen(++q) > 8) { /* If name>8 chars */
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q += 8; /* make it .ext */
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strcpy(name2, q); /* save excess of name */
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*q = '.';
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strcpy(++q, name2); /* add it back */
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}
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}
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for (p = fname, q = txbuf ; *p; )
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if ((*q++ = *p++) == '/' && !Fullname)
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q = txbuf;
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*q++ = 0;
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p = q;
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while (q < (txbuf + MAX_BLOCK))
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*q++ = 0;
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/*
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* note that we may lose some information here in case mode_t is wider than an
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* int. But i believe sending %lo instead of %o _could_ break compatability
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*/
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if (!Ascii && (input_f != stdin) && *fname && fstat(fileno(input_f), &f)!= -1)
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sprintf(p, "%lu %lo %o 0 %d %ld", (long) f.st_size, f.st_mtime,
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(unsigned int)((no_unixmode) ? 0 : f.st_mode), Filesleft, Totalleft);
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// if (Verbose)
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// vstringf(_("Sending: %s\n"),txbuf);
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Totalleft -= f.st_size;
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if (--Filesleft <= 0)
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Totalleft = 0;
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if (Totalleft < 0)
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Totalleft = 0;
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/* force 1k blocks if name won't fit in 128 byte block */
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if (txbuf[125])
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blklen=1024;
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else { /* A little goodie for IMP/KMD */
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txbuf[127] = (f.st_size + 127) >>7;
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txbuf[126] = (f.st_size + 127) >>15;
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}
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// if (zmodem_requested)
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// return zsendfile(zi,txbuf, 1+strlen(p)+(p-txbuf));
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if (wcputsec(txbuf, 0, 128)==ERROR) {
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PUTSTR((char *)"wcputsec failed");
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Syslog('+', "%s/%s: wcputsec failed", fname,protname());
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return ERROR;
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}
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return OK;
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}
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static int getnak(void)
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{
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int firstch;
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int tries = 0;
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Lastrx = 0;
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for (;;) {
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tries++;
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switch (firstch = GETCHAR(10)) {
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// case ZPAD:
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// if (getzrxinit())
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// return ERROR;
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// Ascii = 0; /* Receiver does the conversion */
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// return FALSE;
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case TIMEOUT:
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/* 30 seconds are enough */
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if (tries == 3) {
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Syslog('y', "Timeout on pathname");
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return TRUE;
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}
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/* don't send a second ZRQINIT _directly_ after the
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* first one. Never send more then 4 ZRQINIT, because
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* omen rz stops if it saw 5 of them */
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// if ((zrqinits_sent>1 || tries>1) && zrqinits_sent<4) {
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/* if we already sent a ZRQINIT we are using zmodem
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* protocol and may send further ZRQINITs
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*/
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// stohdr(0L);
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// zshhdr(ZRQINIT, Txhdr);
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// zrqinits_sent++;
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// }
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continue;
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case WANTG:
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io_mode(0, 2); /* Set cbreak, XON/XOFF, etc. */
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Optiong = TRUE;
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blklen=1024;
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case WANTCRC:
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Crcflg = TRUE;
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case NAK:
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return FALSE;
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case CAN:
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if ((firstch = GETCHAR(2)) == CAN && Lastrx == CAN)
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return TRUE;
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default:
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break;
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}
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Lastrx = firstch;
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}
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}
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static int wctx(long bytes_total)
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{
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register size_t thisblklen;
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register int sectnum, attempts, firstch;
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firstsec=TRUE; thisblklen = blklen;
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Syslog('y', "wctx:file length=%ld", bytes_total);
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while ((firstch = GETCHAR(Rxtimeout))!=NAK && firstch != WANTCRC
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&& firstch != WANTG && firstch != TIMEOUT && firstch != CAN);
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if (firstch == CAN) {
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Syslog('y', "Receiver Cancelled");
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return ERROR;
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}
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if (firstch == WANTCRC)
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Crcflg = TRUE;
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if (firstch == WANTG)
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Crcflg = TRUE;
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sectnum = 0;
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for (;;) {
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if (bytes_total <= (bytes_sent + 896L))
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thisblklen = 128;
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if ( !filbuf(txbuf, thisblklen))
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break;
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if (wcputsec(txbuf, ++sectnum, thisblklen) == TERROR)
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return ERROR;
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bytes_sent += thisblklen;
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}
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fclose(input_f);
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attempts = 0;
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do {
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// purgeline(io_mode_fd);
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PUTCHAR(EOT);
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fflush(stdout);
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++attempts;
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} while ((firstch = (GETCHAR(Rxtimeout)) != ACK) && attempts < RETRYMAX);
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if (attempts == RETRYMAX) {
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Syslog('y', "No ACK on EOT");
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return ERROR;
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} else
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return OK;
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}
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int wcputsec(char *buf, int sectnum, size_t cseclen)
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{
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int Checksum, wcj;
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char *cp;
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unsigned oldcrc;
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int firstch;
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int attempts;
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firstch = 0; /* part of logic to detect CAN CAN */
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Syslog('y', "%s sectors/kbytes sent: %3d/%2dk", protname(), Totsecs, Totsecs/8 );
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for (attempts = 0; attempts <= RETRYMAX; attempts++) {
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Lastrx = firstch;
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sendline(cseclen == 1024 ? STX:SOH);
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sendline(sectnum);
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sendline(-sectnum -1);
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oldcrc = Checksum = 0;
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for (wcj = cseclen, cp = buf; --wcj >= 0; ) {
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sendline(*cp);
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oldcrc = updcrc16((0377& *cp), oldcrc);
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Checksum += *cp++;
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}
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if (Crcflg) {
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oldcrc = updcrc16(0, updcrc16(0, oldcrc));
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sendline((int)oldcrc >> 8);
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sendline((int)oldcrc);
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}
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else
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sendline(Checksum);
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fflush(stdout);
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if (Optiong) {
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firstsec = FALSE;
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return OK;
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}
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firstch = GETCHAR(Rxtimeout);
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gotnak:
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switch (firstch) {
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case CAN:
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if(Lastrx == CAN) {
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cancan:
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Syslog('y', "Cancelled");
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return ERROR;
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}
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break;
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case TIMEOUT:
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Syslog('y', "Timeout on sector ACK");
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continue;
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case WANTCRC:
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if (firstsec)
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Crcflg = TRUE;
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case NAK:
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Syslog('y', "NAK on sector");
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continue;
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case ACK:
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firstsec=FALSE;
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Totsecs += (cseclen>>7);
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return OK;
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case TERROR:
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Syslog('y', "Got burst for sector ACK");
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break;
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default:
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Syslog('y', "Got %02x for sector ACK", firstch);
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break;
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}
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for (;;) {
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Lastrx = firstch;
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if ((firstch = GETCHAR(Rxtimeout)) == TIMEOUT)
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break;
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if (firstch == NAK || firstch == WANTCRC)
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goto gotnak;
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if (firstch == CAN && Lastrx == CAN)
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goto cancan;
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}
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}
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Syslog('y', "Retry Count Exceeded");
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return ERROR;
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}
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/* fill buf with count chars padding with ^Z for CPM */
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static size_t filbuf(char *buf, size_t count)
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{
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int c;
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size_t m;
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if ( !Ascii) {
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m = read(fileno(input_f), buf, count);
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if (m <= 0)
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return 0;
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while (m < count)
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buf[m++] = 032;
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return count;
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}
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m=count;
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if (Lfseen) {
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*buf++ = 012; --m; Lfseen = 0;
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}
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while ((c=getc(input_f))!=EOF) {
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if (c == 012) {
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*buf++ = 015;
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if (--m == 0) {
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Lfseen = TRUE; break;
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}
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}
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*buf++ =c;
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if (--m == 0)
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break;
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}
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if (m==count)
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return 0;
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else
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while (m--!=0)
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*buf++ = CPMEOF;
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return count;
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}
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@ -3,4 +3,10 @@
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/* $Id$ */
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#define RETRYMAX 10
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#define CPMEOF 032
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#define WANTCRC 0103 /* send C not NAK to get crc not checksum */
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#define WANTG 0107 /* Send G not NAK to get nonstop batch xmsn */
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#endif
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@ -73,7 +73,7 @@ static inline void zsendline_s(const char *, int);
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* Original zm.c timing was in tenths of seconds, but our current ttyio driver
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* does timing in whole seconds.
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*/
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static int Rxtimeout = 10; /* Seconds to wait for something */
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int Rxtimeout = 10; /* Seconds to wait for something */
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char *txbuf=NULL;
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static int lastsent; /* Last char we sent */
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static int Not8bit; /* Seven bits seen on header */
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@ -953,4 +953,24 @@ long rclhdr(register char *shdr)
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return l;
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}
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char *protname(void)
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{
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const char *prot_name;
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switch(protocol) {
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case ZM_XMODEM:
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prot_name = (char *)"Xmodem";
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break;
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case ZM_YMODEM:
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prot_name = (char *)"Ymodem";
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break;
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default:
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prot_name = (char *)"Zmodem";
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break;
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}
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return prot_name;
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}
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/* End of zmmisc.c */
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@ -120,7 +120,6 @@
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/* Parameters for ZCOMMAND frame ZF0 (otherwise 0) */
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#define ZCACK1 1 /* Acknowledge, then do command */
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/* Globals used by ZMODEM functions */
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int Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame */
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int Rxtype; /* Type of header received */
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@ -159,6 +158,8 @@ int zdlread(void);
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void stohdr(long);
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long rclhdr(register char *);
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void zsendline_init(void);
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char *protname(void);
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#define FTOFFSET 16
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Reference in New Issue
Block a user