1: #ifndef ZMODEM_GLOBAL_H
2: #define ZMODEM_GLOBAL_H
3:
4: /* zglobal.h - prototypes etcetera for lrzsz
5:
6: Copyright (C) until 1998 Chuck Forsberg (OMEN Technology Inc)
7: Copyright (C) 1994 Matt Porter
8: Copyright (C) 1996, 1997 Uwe Ohse
9:
10: This program is free software; you can redistribute it and/or modify
11: it under the terms of the GNU General Public License as published by
12: the Free Software Foundation; either version 2, or (at your option)
13: any later version.
14:
15: This program is distributed in the hope that it will be useful,
16: but WITHOUT ANY WARRANTY; without even the implied warranty of
17: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: GNU General Public License for more details.
19:
20: You should have received a copy of the GNU General Public License
21: along with this program; if not, write to the Free Software
22: Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23: 02111-1307, USA.
24: */
25:
26: #include "config.h"
27: #include <sys/types.h>
28:
29: #ifdef __GNUC__
30: # define alloca __builtin_alloca
31: # define HAVE_ALLOCA 1
32: #else
33: # if defined HAVE_ALLOCA_H || defined _LIBC
34: # include <alloca.h>
35: # else
36: # ifdef _AIX
37: #pragma alloca
38: # else
39: # ifndef alloca
40: # ifndef __GLIBC__
41: char *alloca ();
42: # endif
43: # endif
44: # endif
45: # endif
46: #endif
47:
48: #ifndef __P
49: #if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
50: #define __P(args) args
51: #else
52: #define __P(args) ()
53: #endif /* GCC. */
54: #endif /* Not __P. */
55:
56: #ifdef __STDC__
57: #include <stdarg.h>
58: #else
59: #include <varargs.h>
60: #endif
61:
62: #ifdef TIME_WITH_SYS_TIME
63: # include <sys/time.h>
64: # include <time.h>
65: # define INCLUDED_SYS_TIME
66: #else
67: # ifdef HAVE_SYS_TIME_H
68: # include <sys/time.h>
69: # define INCLUDED_SYS_TIME
70: # else
71: # include <time.h>
72: # endif
73: #endif
74: #ifdef SYS_TIME_WITHOUT_SYS_SELECT
75: # ifdef INCLUDED_SYS_TIME
76: # undef HAVE_SYS_SELECT_H
77: # endif
78: #endif
79:
80:
81: #ifdef HAVE_SYS_SELECT_H
82: # include <sys/select.h>
83: #endif
84: #ifdef __BEOS__
85: /* BeOS 4.0: sys/select.h is almost completely #ifdefd out */
86: #define HAVE_SOCKET_H
87: #ifdef HAVE_SOCKET_H
88: #include <socket.h>
89: #endif
90: #endif
91:
92: #if STDC_HEADERS
93: # include <string.h>
94: #else
95: # ifdef HAVE_STRINGS_H
96: # include <strings.h>
97: # endif
98: # ifndef HAVE_STRCHR
99: # define strchr index
100: # define strrchr rindex
101: # endif
102: char *strchr (), *strrchr ();
103: # ifndef HAVE_MEMCPY
104: # define memcpy(d, s, n) bcopy ((s), (d), (n))
105: # define memmove(d, s, n) bcopy ((s), (d), (n))
106: # endif
107: #endif
108:
109: #include <sys/stat.h>
110:
111: /* we need to decide whether readcheck is possible */
112: #ifdef HAVE_FCNTL_H
113: # include <fcntl.h>
114: #endif
115: #ifdef HAVE_SYS_IOCTL_H
116: # include <sys/ioctl.h>
117: #endif
118: #ifdef HAVE_RDCHK
119: # define READCHECK
120: #else
121: # ifdef FIONREAD
122: # define READCHECK_FIONREAD
123: # define READCHECK
124: # else
125: # ifdef F_GETFL
126: # define READCHECK
127: # define READCHECK_READS
128: # define READCHECK_GETFL
129: # endif
130: # endif
131: #endif
132:
133: /* used to use #elif, but native braindead hpux 9.00 c compiler didn't
134: * understand it */
135: #ifdef HAVE_TERMIOS_H
136: /* get rid of warnings on SCO ODT 3.2 */
137: struct termios;
138: # include <termios.h>
139: # define USE_TERMIOS
140: #else
141: # if defined(HAVE_SYS_TERMIOS_H)
142: # include <sys/termios.h>
143: # define USE_TERMIOS
144: # else
145: # if defined(HAVE_TERMIO_H)
146: # include <termio.h>
147: # define USE_TERMIO
148: # else
149: # if defined(HAVE_SYS_TERMIO_H)
150: # include <sys/termio.h>
151: # define USE_TERMIO
152: # else
153: # if defined(HAVE_SGTTY_H)
154: # include <sgtty.h>
155: # define USE_SGTTY
156: # ifdef LLITOUT
157: extern long Locmode; /* Saved "local mode" for 4.x BSD "new driver" */
158: extern long Locbit; /* Bit SUPPOSED to disable output translations */
159: # endif
160: # else
161: # error neither termio.h nor sgtty.h found. Cannot continue.
162: # endif
163: # endif
164: # endif
165: # endif
166: #endif
167:
168: #ifdef USE_SGTTY
169: # ifdef TIOCSBRK
170: # define CANBREAK
171: # endif
172: #endif
173: #ifdef USE_TERMIO
174: # define CANBREAK
175: #endif
176:
177:
178:
179: /* Take care of NLS matters. */
180: #if HAVE_LOCALE_H
181: # include <locale.h>
182: #endif
183: #if !HAVE_SETLOCALE
184: # define setlocale(Category, Locale) /* empty */
185: #endif
186:
187: #if ENABLE_NLS
188: # include <libintl.h>
189: # define _(Text) gettext (Text)
190: #else
191: # define bindtextdomain(Domain, Directory) /* empty */
192: # define textdomain(Domain) /* empty */
193: # define _(Text) Text
194: #endif
195:
196: #ifndef ENABLE_SYSLOG
197: # undef HAVE_SYSLOG
198: #else
199: # ifdef HAVE_SYSLOG_H
200: # include <syslog.h>
201: # else
202: # if defined(HAVE_SYS_SYSLOG_H)
203: # include <sys/syslog.h>
204: # else
205: # undef HAVE_SYSLOG
206: # endif
207: # endif
208: #endif
209: #ifndef ENABLE_SYSLOG
210: # define openlog(name,pid,facility) /* void it */
211: # define setlogmask(x) /* void it */
212: #else
213: extern int enable_syslog;
214: #endif
215:
216: #if defined HAVE_UNISTD_H
217: # include <unistd.h>
218: #endif
219: /* The following is from pathmax.h. */
220: /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
221: PATH_MAX but might cause redefinition warnings when sys/param.h is
222: later included (as on MORE/BSD 4.3). */
223: #if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__))
224: # include <limits.h>
225: #endif
226:
227: #ifndef _POSIX_PATH_MAX
228: # define _POSIX_PATH_MAX 255
229: #endif
230:
231: #if !defined(PATH_MAX) && defined(_PC_PATH_MAX)
232: # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
233: #endif
234:
235: /* Don't include sys/param.h if it already has been. */
236: #if defined(HAVE_SYS_PARAM_H) && !defined(PATH_MAX) && !defined(MAXPATHLEN)
237: # include <sys/param.h>
238: #endif
239:
240: #if !defined(PATH_MAX) && defined(MAXPATHLEN)
241: # define PATH_MAX MAXPATHLEN
242: #endif
243:
244: #if !defined(LONG_MAX) && defined(HAVE_LIMITS_H)
245: # include <limits.h>
246: #endif
247:
248: #ifndef PATH_MAX
249: # define PATH_MAX _POSIX_PATH_MAX
250: #endif
251:
252: #ifdef __GNUC__
253:
254: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 5)
255: # define LRZSZ_ATTRIB_SECTION(x) __attribute__((section(#x)))
256: #endif
257:
258: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
259: # define LRZSZ_ATTRIB_CONST __attribute__((__const__))
260: #endif
261:
262: /* gcc.info sagt, noreturn wäre ab 2.5 verfügbar. HPUX-gcc 2.5.8
263: * kann es noch nicht - what's this?
264: */
265: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 5)
266: # define LRZSZ_ATTRIB_NORET __attribute__((__noreturn__))
267: #endif
268:
269: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 5)
270: # define LRZSZ_ATTRIB_PRINTF(formatnr,firstargnr) \
271: __attribute__((__format__ (printf,formatnr,firstargnr)))
272: #endif
273:
274: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 6)
275: #define LRZSZ_ATTRIB_UNUSED __attribute__((__unused__))
276: #endif
277:
278: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
279: # define LRZSZ_ATTRIB_REGPARM(n) \
280: __attribute__((__regparm__ (n)))
281: #endif
282: #endif /* __GNUC__ */
283: #ifndef LRZSZ_ATTRIB_REGPARM
284: #define LRZSZ_ATTRIB_REGPARM(n)
285: #endif
286: #ifndef LRZSZ_ATTRIB_UNUSED
287: #define LRZSZ_ATTRIB_UNUSED
288: #endif
289: #ifndef LRZSZ_ATTRIB_NORET
290: #define LRZSZ_ATTRIB_NORET
291: #endif
292: #ifndef LRZSZ_ATTRIB_CONST
293: #define LRZSZ_ATTRIB_CONST
294: #endif
295: #ifndef LRZSZ_ATTRIB_PRINTF
296: #define LRZSZ_ATTRIB_PRINTF(x,y)
297: #endif
298: #ifndef LRZSZ_ATTRIB_SECTION
299: #define LRZSZ_ATTRIB_SECTION(n)
300: #endif
301: #undef LRZSZ_ATTRIB_SECTION
302: #define LRZSZ_ATTRIB_SECTION(x)
303: #undef LRZSZ_ATTRIB_REGPARM
304: #define LRZSZ_ATTRIB_REGPARM(x)
305:
306:
307: #define OK 0
308: #define FALSE 0
309: #define TRUE 1
310: #define ERROR (-1)
311:
312: /* Ward Christensen / CP/M parameters - Don't change these! */
313: #define ENQ 005
314: #define CAN ('X'&037)
315: #define XOFF ('s'&037)
316: #define XON ('q'&037)
317: #define SOH 1
318: #define STX 2
319: #define EOT 4
320: #define ACK 6
321: #define NAK 025
322: #define CPMEOF 032
323: #define WANTCRC 0103 /* send C not NAK to get crc not checksum */
324: #define WANTG 0107 /* Send G not NAK to get nonstop batch xmsn */
325: #define TIMEOUT (-2)
326: #define RCDO (-3)
327: #define WCEOT (-10)
328:
329: #define RETRYMAX 10
330:
331: #define UNIXFILE 0xF000 /* The S_IFMT file mask bit for stat */
332:
333: #define DEFBYTL 2000000000L /* default rx file size */
334:
335: enum zm_type_enum {
336: ZM_XMODEM,
337: ZM_YMODEM,
338: ZM_ZMODEM
339: };
340:
341: struct zm_fileinfo {
342: char *fname;
343: time_t modtime;
344: mode_t mode;
345: size_t bytes_total;
346: size_t bytes_sent;
347: size_t bytes_received;
348: size_t bytes_skipped; /* crash recovery */
349: int eof_seen;
350: };
351:
352: #define R_BYTESLEFT(x) ((x)->bytes_total-(x)->bytes_received)
353:
354: extern enum zm_type_enum protocol;
355:
356: extern const char *program_name; /* the name by which we were called */
357: extern int Verbose;
358: extern int errors;
359: extern int no_timeout;
360: extern int Zctlesc; /* Encode control characters */
361: extern int under_rsh;
362:
363: RETSIGTYPE bibi __P ((int n));
364:
365: #define sendline(c) putchar((c) & 0377)
366: #define xsendline(c) putchar(c)
367:
368: /* zreadline.c */
369: extern char *readline_ptr; /* pointer for removing chars from linbuf */
370: extern int readline_left; /* number of buffered chars left to read */
371: #define READLINE_PF(timeout) \
372: (--readline_left >= 0? (*readline_ptr++ & 0377) : readline_internal(timeout))
373:
374: int readline_internal __P ((unsigned int timeout));
375: void readline_purge __P ((void));
376: void readline_setup __P ((int fd, size_t readnum,
377: size_t buffer_size)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
378:
379:
380: /* rbsb.c */
381: extern int Fromcu;
382: extern int Twostop;
383: #ifdef READCHECK_READS
384: extern unsigned char checked;
385: #endif
386: extern int iofd;
387: extern unsigned Baudrate;
388:
389: void zperr __P ((const char *fmt, ...));
390: void zpfatal __P ((const char *fmt, ...));
391: void vfile __P ((const char *format, ...));
392: #define vchar(x) putc(x,stderr)
393: #define vstring(x) fputs(x,stderr)
394:
395: #ifdef __GNUC__
396: #if __GNUC__ > 1
397: #define vstringf(format,args...) fprintf(stderr,format, ##args)
398: #endif
399: #endif
400: #ifndef vstringf
401: void vstringf __P ((const char *format, ...));
402: #endif
403: #define VPRINTF(level,format_args) do {if ((Verbose)>=(level)) \
404: vstringf format_args ; } while(0)
405:
406: /* rbsb.c */
407: int from_cu __P ((void)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
408: int rdchk __P ((int fd));
409: int io_mode __P ((int fd, int n)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
410: void sendbrk __P ((int fd));
411: #define flushmo() fflush(stdout)
412: void purgeline __P ((int fd));
413: void canit __P ((int fd));
414:
415:
416: /* crctab.c */
417: extern unsigned short crctab[256];
418: #define updcrc(cp, crc) ( crctab[((crc >> 8) & 255)] ^ (crc << 8) ^ cp)
419: extern long cr3tab[];
420: #define UPDC32(b, c) (cr3tab[((int)c ^ b) & 0xff] ^ ((c >> 8) & 0x00FFFFFF))
421:
422: /* zm.c */
423: #include "zmodem.h"
424: extern unsigned int Rxtimeout; /* Tenths of seconds to wait for something */
425: extern int bytes_per_error; /* generate one error around every x bytes */
426:
427: /* Globals used by ZMODEM functions */
428: extern int Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame received */
429: extern int Rxtype; /* Type of header received */
430: extern int Zrwindow; /* RX window size (controls garbage count) */
431: /* extern int Rxcount; */ /* Count of data bytes received */
432: extern char Rxhdr[4]; /* Received header */
433: extern char Txhdr[4]; /* Transmitted header */
434: extern long Txpos; /* Transmitted file position */
435: extern int Txfcs32; /* TURE means send binary frames with 32 bit FCS */
436: extern int Crc32t; /* Display flag indicating 32 bit CRC being sent */
437: extern int Crc32; /* Display flag indicating 32 bit CRC being received */
438: extern int Znulls; /* Number of nulls to send at beginning of ZDATA hdr */
439: extern char Attn[ZATTNLEN+1]; /* Attention string rx sends to tx on err */
440:
441: extern void zsendline __P ((int c));
442: extern void zsendline_init __P ((void)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
443: void zsbhdr __P ((int type, char *hdr));
444: void zshhdr __P ((int type, char *hdr));
445: void zsdata __P ((const char *buf, size_t length, int frameend));
446: void zsda32 __P ((const char *buf, size_t length, int frameend));
447: int zrdata __P ((char *buf, int length, size_t *received));
448: int zgethdr __P ((char *hdr, int eflag, size_t *));
449: void stohdr __P ((size_t pos)) LRZSZ_ATTRIB_REGPARM(1);
450: long rclhdr __P ((char *hdr)) LRZSZ_ATTRIB_REGPARM(1);
451:
452: int tcp_server __P ((char *buf)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
453: int tcp_connect __P ((char *buf)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
454: int tcp_accept __P ((int d)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
455:
456:
457: const char * protname __P ((void)) LRZSZ_ATTRIB_SECTION(lrzsz_rare);
458: void lsyslog __P ((int, const char *,...));
459:
460:
461:
462:
463: #endif
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