1 |
/* |
2 |
* This file is part of uudeview, the simple and friendly multi-part multi- |
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* file uudecoder program (c) 1994 by Frank Pilhofer. The author may be |
4 |
* contacted by his email address, fp@informatik.uni-frankfurt.de |
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* |
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* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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*/ |
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|
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/* |
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* This file implements the externally visible functions, as declared |
19 |
* in uulib.h, and some internal interfacing functions |
20 |
*/ |
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|
22 |
#ifdef HAVE_CONFIG_H |
23 |
#include "config.h" |
24 |
#endif |
25 |
|
26 |
#ifdef SYSTEM_WINDLL |
27 |
#include <windows.h> |
28 |
#endif |
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#ifdef SYSTEM_OS2 |
30 |
#include <os2.h> |
31 |
#endif |
32 |
|
33 |
#include <sys/types.h> |
34 |
#include <sys/stat.h> |
35 |
#include <stdio.h> |
36 |
|
37 |
#ifdef HAVE_FCNTL_H |
38 |
#include <fcntl.h> |
39 |
#endif |
40 |
|
41 |
#ifdef STDC_HEADERS |
42 |
#include <stdlib.h> |
43 |
#include <stdarg.h> |
44 |
#include <string.h> |
45 |
#else |
46 |
#ifdef HAVE_STDARG_H |
47 |
#include <stdarg.h> |
48 |
#else |
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#ifdef HAVE_VARARGS_H |
50 |
#include <varargs.h> |
51 |
#endif |
52 |
#endif |
53 |
#endif |
54 |
|
55 |
#ifdef HAVE_UNISTD_H |
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#include <unistd.h> |
57 |
#endif |
58 |
|
59 |
#ifdef TIME_WITH_SYS_TIME |
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# include <sys/time.h> |
61 |
# include <time.h> |
62 |
#else |
63 |
# ifdef HAVE_SYS_TIME_H |
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# include <sys/time.h> |
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# else |
66 |
# include <time.h> |
67 |
# endif |
68 |
#endif |
69 |
|
70 |
#ifdef HAVE_ERRNO_H |
71 |
#include <errno.h> |
72 |
#endif |
73 |
|
74 |
/* to get open() in Windows */ |
75 |
#ifdef HAVE_IO_H |
76 |
#include <io.h> |
77 |
#endif |
78 |
|
79 |
#include <uulib.h> |
80 |
#include <uuint.h> |
81 |
#include <fptools.h> |
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#include <uustring.h> |
83 |
|
84 |
char * uulib_id = "$Id: uulib.c,v 1.16 1996/11/03 12:49:07 fp Exp $"; |
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|
86 |
#ifdef SYSTEM_WINDLL |
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BOOL _export WINAPI |
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DllEntryPoint (HINSTANCE hInstance, DWORD seginfo, |
89 |
LPVOID lpCmdLine) |
90 |
{ |
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/* Don't do anything, so just return true */ |
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return TRUE; |
93 |
} |
94 |
#endif |
95 |
|
96 |
/* |
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* In DOS, we must open the file binary, O_BINARY is defined there |
98 |
*/ |
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|
100 |
#ifndef O_BINARY |
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#define O_BINARY 0 |
102 |
#endif |
103 |
|
104 |
/* for braindead systems */ |
105 |
#ifndef SEEK_SET |
106 |
#ifdef L_BEGIN |
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#define SEEK_SET L_BEGIN |
108 |
#else |
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#define SEEK_SET 0 |
110 |
#endif |
111 |
#endif |
112 |
|
113 |
/* |
114 |
* Callback functions and their opaque arguments |
115 |
*/ |
116 |
|
117 |
void (*uu_MsgCallback) (void *, char *, int) = NULL; |
118 |
int (*uu_BusyCallback) (void *, uuprogress *) = NULL; |
119 |
int (*uu_FileCallback) (void *, char *, char *, int) = NULL; |
120 |
char * (*uu_FNameFilter) (void *, char *) = NULL; |
121 |
|
122 |
void *uu_MsgCBArg = NULL; |
123 |
void *uu_BusyCBArg = NULL; |
124 |
void *uu_FileCBArg = NULL; |
125 |
void *uu_FFCBArg = NULL; |
126 |
|
127 |
/* |
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* Global variables |
129 |
*/ |
130 |
|
131 |
int uu_fast_scanning = 0; /* assumes at most 1 part per file */ |
132 |
int uu_bracket_policy = 0; /* gives part numbers in [] higher priority */ |
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int uu_verbose = 1; /* enables/disables messages¬es */ |
134 |
int uu_desperate = 0; /* desperate mode */ |
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int uu_ignreply = 0; /* ignore replies */ |
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int uu_debug = 0; /* debugging mode (print __FILE__/__LINE__) */ |
137 |
int uu_errno = 0; /* the errno that caused this UURET_IOERR */ |
138 |
int uu_dumbness = 0; /* switch off the program's intelligence */ |
139 |
int uu_overwrite = 1; /* whether it's ok to overwrite ex. files */ |
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int uu_ignmode = 0; /* ignore the original file mode */ |
141 |
int uu_handletext = 0; /* do we want text/plain messages */ |
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int uu_usepreamble = 0; /* do we want Mime preambles/epilogues */ |
143 |
int uu_tinyb64 = 0; /* detect short B64 outside of MIME */ |
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|
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headercount hlcount = { |
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3, /* restarting after a MIME body */ |
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2, /* after useful data in freestyle mode */ |
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1 /* after useful data and an empty line */ |
149 |
}; |
150 |
|
151 |
/* |
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* version string |
153 |
*/ |
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|
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char uulibversion[256] = VERSION "pl" PATCH; |
156 |
|
157 |
/* |
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* prefix to the files on disk, usually a path name to save files to |
159 |
*/ |
160 |
|
161 |
char *uusavepath; |
162 |
|
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/* |
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* extension to use when encoding single-part files |
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*/ |
166 |
|
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char *uuencodeext; |
168 |
|
169 |
/* |
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* areas to malloc |
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*/ |
172 |
|
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char *uulib_msgstring; |
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char *uugen_inbuffer; |
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char *uugen_fnbuffer; |
176 |
|
177 |
/* |
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* The Global List of Files |
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*/ |
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|
181 |
uulist *UUGlobalFileList = NULL; |
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|
183 |
/* |
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* time values for BusyCallback. msecs is MILLIsecs here |
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*/ |
186 |
|
187 |
static long uu_busy_msecs = 0; /* call callback function each msecs */ |
188 |
static long uu_last_secs = 0; /* secs of last call to callback */ |
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static long uu_last_usecs = 0; /* usecs of last call to callback */ |
190 |
|
191 |
/* |
192 |
* progress information |
193 |
*/ |
194 |
|
195 |
uuprogress progress; |
196 |
|
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/* |
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* Linked list of files we want to delete after decoding |
199 |
*/ |
200 |
|
201 |
typedef struct _itbd { |
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char *fname; |
203 |
struct _itbd *NEXT; |
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} itbd; |
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static itbd * ftodel = NULL; |
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|
207 |
/* |
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* for the busy poll |
209 |
*/ |
210 |
|
211 |
unsigned long uuyctr; |
212 |
|
213 |
/* |
214 |
* Areas to allocate. Instead of using static memory areas, we malloc() |
215 |
* the memory in UUInitialize() and release them in UUCleanUp to prevent |
216 |
* blowing up of the binary size |
217 |
* This is a table with the pointers to allocate and required sizes. |
218 |
* They are guaranteed to be never NULL. |
219 |
*/ |
220 |
|
221 |
typedef struct { |
222 |
char **ptr; |
223 |
size_t size; |
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} allomap; |
225 |
|
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static allomap toallocate[] = { |
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{ &uugen_fnbuffer, 1024 }, /* generic filename buffer */ |
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{ &uugen_inbuffer, 1024 }, /* generic input data buffer */ |
229 |
{ &uucheck_lastname, 256 }, /* from uucheck.c */ |
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{ &uucheck_tempname, 256 }, |
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{ &uuestr_itemp, 256 }, /* from uuencode.c:UUEncodeStream() */ |
232 |
{ &uuestr_otemp, 256 }, |
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{ &uulib_msgstring, 1024 }, /* from uulib.c:UUMessage() */ |
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{ &uuncdl_fulline, 256+4 }, /* from uunconc.c:UUDecodeLine(). +4 is for leftover parts */ |
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{ &uuncdp_oline, 4*257 }, /* from uunconc.c:UUDecodePart() */ |
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{ &uunconc_UUxlat, 256 * sizeof (int) }, /* from uunconc.c:toplevel */ |
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{ &uunconc_UUxlen, 64 * sizeof (int) }, |
238 |
{ &uunconc_B64xlat, 256 * sizeof (int) }, |
239 |
{ &uunconc_XXxlat, 256 * sizeof (int) }, |
240 |
{ &uunconc_BHxlat, 256 * sizeof (int) }, |
241 |
{ &uunconc_save, 3*256 }, /* from uunconc.c:decoding buffer */ |
242 |
{ &uuscan_shlline, 1024 }, /* from uuscan.c:ScanHeaderLine() */ |
243 |
{ &uuscan_pvvalue, 256 }, /* from uuscan.c:ParseValue() */ |
244 |
{ &uuscan_phtext, 256 }, /* from uuscan.c:ParseHeader() */ |
245 |
{ &uuscan_sdline, 256 }, /* from uuscan.c:ScanData() */ |
246 |
{ &uuscan_sdbhds1, 256 }, |
247 |
{ &uuscan_sdbhds2, 256 }, |
248 |
{ &uuscan_spline, 256 }, /* from uuscan.c:ScanPart() */ |
249 |
{ &uuutil_bhwtmp, 256 }, /* from uuutil.c:UUbhwrite() */ |
250 |
{ NULL, 0 } |
251 |
}; |
252 |
|
253 |
/* |
254 |
* Handle the printing of messages. Works like printf. |
255 |
*/ |
256 |
|
257 |
#if defined(STDC_HEADERS) || defined(HAVE_STDARG_H) |
258 |
int |
259 |
UUMessage (char *file, int line, int level, char *format, ...) |
260 |
#else |
261 |
int |
262 |
UUMessage (va_alist) |
263 |
va_dcl |
264 |
#endif |
265 |
{ |
266 |
char *msgptr; |
267 |
#if defined(STDC_HEADERS) || defined(HAVE_STDARG_H) |
268 |
va_list ap; |
269 |
|
270 |
va_start (ap, format); |
271 |
#else |
272 |
char *file, *format; |
273 |
int line, level; |
274 |
va_list ap; |
275 |
|
276 |
va_start (ap); |
277 |
file = va_arg (ap, char *); |
278 |
line = va_arg (ap, int); |
279 |
level = va_arg (ap, int); |
280 |
format = va_arg (ap, char *); |
281 |
#endif |
282 |
|
283 |
if (uu_debug) { |
284 |
sprintf (uulib_msgstring, "%s(%d): %s", file, line, msgnames[level]); |
285 |
msgptr = uulib_msgstring + strlen (uulib_msgstring); |
286 |
} |
287 |
else { |
288 |
sprintf (uulib_msgstring, "%s", msgnames[level]); |
289 |
msgptr = uulib_msgstring + strlen (uulib_msgstring); |
290 |
} |
291 |
|
292 |
if (uu_MsgCallback && (level>UUMSG_NOTE || uu_verbose)) { |
293 |
vsprintf (msgptr, format, ap); |
294 |
|
295 |
(*uu_MsgCallback) (uu_MsgCBArg, uulib_msgstring, level); |
296 |
} |
297 |
|
298 |
va_end (ap); |
299 |
|
300 |
return UURET_OK; |
301 |
} |
302 |
|
303 |
/* |
304 |
* Call the Busy Callback from time to time. This function must be |
305 |
* polled from the Busy loops. |
306 |
*/ |
307 |
|
308 |
int |
309 |
UUBusyPoll (void) |
310 |
{ |
311 |
#ifdef HAVE_GETTIMEOFDAY |
312 |
struct timeval tv; |
313 |
long msecs; |
314 |
|
315 |
if (uu_BusyCallback) { |
316 |
(void) gettimeofday (&tv, NULL); |
317 |
|
318 |
msecs = 1000*(tv.tv_sec-uu_last_secs)+(tv.tv_usec-uu_last_usecs)/1000; |
319 |
|
320 |
if (uu_last_secs==0 || msecs > uu_busy_msecs) { |
321 |
uu_last_secs = tv.tv_sec; |
322 |
uu_last_usecs = tv.tv_usec; |
323 |
|
324 |
return (*uu_BusyCallback) (uu_BusyCBArg, &progress); |
325 |
} |
326 |
} |
327 |
#else |
328 |
time_t now; |
329 |
long msecs; |
330 |
|
331 |
if (uu_BusyCallback) { |
332 |
if (uu_busy_msecs <= 0) { |
333 |
msecs = 1; |
334 |
} |
335 |
else { |
336 |
now = time(NULL); |
337 |
msecs = 1000 * (now - uu_last_secs); |
338 |
} |
339 |
|
340 |
if (uu_last_secs==0 || msecs > uu_busy_msecs) { |
341 |
uu_last_secs = now; |
342 |
uu_last_usecs = 0; |
343 |
|
344 |
return (*uu_BusyCallback) (uu_BusyCBArg, &progress); |
345 |
} |
346 |
} |
347 |
#endif |
348 |
|
349 |
return 0; |
350 |
} |
351 |
|
352 |
/* |
353 |
* Initialization function |
354 |
*/ |
355 |
|
356 |
int UUEXPORT |
357 |
UUInitialize (void) |
358 |
{ |
359 |
allomap *aiter; |
360 |
|
361 |
progress.action = 0; |
362 |
progress.curfile[0] = '\0'; |
363 |
|
364 |
ftodel = NULL; |
365 |
|
366 |
uusavepath = NULL; |
367 |
uuencodeext = NULL; |
368 |
|
369 |
mssdepth = 0; |
370 |
memset (&localenv, 0, sizeof (headers)); |
371 |
memset (&sstate, 0, sizeof (scanstate)); |
372 |
|
373 |
nofnum = 0; |
374 |
mimseqno = 0; |
375 |
lastvalid = 0; |
376 |
lastenc = 0; |
377 |
uuyctr = 0; |
378 |
|
379 |
/* |
380 |
* Allocate areas |
381 |
*/ |
382 |
|
383 |
for (aiter=toallocate; aiter->ptr; aiter++) |
384 |
*(aiter->ptr) = NULL; |
385 |
|
386 |
for (aiter=toallocate; aiter->ptr; aiter++) { |
387 |
if ((*(aiter->ptr) = (char *) malloc (aiter->size)) == NULL) { |
388 |
/* |
389 |
* oops. we may not print a message here, because we need these |
390 |
* areas (uulib_msgstring) in UUMessage() |
391 |
*/ |
392 |
for (aiter=toallocate; aiter->ptr; aiter++) { |
393 |
FP_free (*(aiter->ptr)); |
394 |
} |
395 |
return UURET_NOMEM; |
396 |
} |
397 |
} |
398 |
|
399 |
/* |
400 |
* Must be called after areas have been malloced |
401 |
*/ |
402 |
|
403 |
UUInitConc (); |
404 |
|
405 |
return UURET_OK; |
406 |
} |
407 |
|
408 |
/* |
409 |
* Set and get Options |
410 |
*/ |
411 |
|
412 |
int UUEXPORT |
413 |
UUGetOption (int option, int *ivalue, char *cvalue, int clength) |
414 |
{ |
415 |
int result; |
416 |
|
417 |
switch (option) { |
418 |
case UUOPT_VERSION: |
419 |
FP_strncpy (cvalue, uulibversion, clength); |
420 |
result = 0; |
421 |
break; |
422 |
case UUOPT_FAST: |
423 |
if (ivalue) *ivalue = uu_fast_scanning; |
424 |
result = uu_fast_scanning; |
425 |
break; |
426 |
case UUOPT_DUMBNESS: |
427 |
if (ivalue) *ivalue = uu_dumbness; |
428 |
result = uu_dumbness; |
429 |
break; |
430 |
case UUOPT_BRACKPOL: |
431 |
if (ivalue) *ivalue = uu_bracket_policy; |
432 |
result = uu_bracket_policy; |
433 |
break; |
434 |
case UUOPT_VERBOSE: |
435 |
if (ivalue) *ivalue = uu_verbose; |
436 |
result = uu_verbose; |
437 |
break; |
438 |
case UUOPT_DESPERATE: |
439 |
if (ivalue) *ivalue = uu_desperate; |
440 |
result = uu_desperate; |
441 |
break; |
442 |
case UUOPT_IGNREPLY: |
443 |
if (ivalue) *ivalue = uu_ignreply; |
444 |
result = uu_ignreply; |
445 |
break; |
446 |
case UUOPT_DEBUG: |
447 |
if (ivalue) *ivalue = uu_debug; |
448 |
result = uu_debug; |
449 |
break; |
450 |
case UUOPT_ERRNO: |
451 |
if (ivalue) *ivalue = uu_errno; |
452 |
result = uu_errno; |
453 |
break; |
454 |
case UUOPT_OVERWRITE: |
455 |
if (ivalue) *ivalue = uu_overwrite; |
456 |
result = uu_overwrite; |
457 |
break; |
458 |
case UUOPT_SAVEPATH: |
459 |
FP_strncpy (cvalue, uusavepath, clength); |
460 |
result = 0; |
461 |
break; |
462 |
case UUOPT_PROGRESS: |
463 |
if (clength==sizeof(uuprogress)) { |
464 |
memcpy (cvalue, &progress, sizeof (uuprogress)); |
465 |
result = 0; |
466 |
} |
467 |
else |
468 |
result = -1; |
469 |
break; |
470 |
case UUOPT_IGNMODE: |
471 |
if (ivalue) *ivalue = uu_ignmode; |
472 |
result = uu_ignmode; |
473 |
break; |
474 |
case UUOPT_USETEXT: |
475 |
if (ivalue) *ivalue = uu_handletext; |
476 |
result = uu_handletext; |
477 |
break; |
478 |
case UUOPT_PREAMB: |
479 |
if (ivalue) *ivalue = uu_usepreamble; |
480 |
result = uu_usepreamble; |
481 |
break; |
482 |
case UUOPT_TINYB64: |
483 |
if (ivalue) *ivalue = uu_tinyb64; |
484 |
result = uu_tinyb64; |
485 |
break; |
486 |
case UUOPT_ENCEXT: |
487 |
FP_strncpy (cvalue, uuencodeext, clength); |
488 |
result = 0; |
489 |
break; |
490 |
default: |
491 |
return -1; |
492 |
} |
493 |
return result; |
494 |
} |
495 |
|
496 |
int UUEXPORT |
497 |
UUSetOption (int option, int ivalue, char *cvalue) |
498 |
{ |
499 |
switch (option) { |
500 |
case UUOPT_FAST: |
501 |
uu_fast_scanning = ivalue; |
502 |
break; |
503 |
case UUOPT_DUMBNESS: |
504 |
uu_dumbness = ivalue; |
505 |
break; |
506 |
case UUOPT_BRACKPOL: |
507 |
uu_bracket_policy = ivalue; |
508 |
break; |
509 |
case UUOPT_VERBOSE: |
510 |
uu_verbose = ivalue; |
511 |
break; |
512 |
case UUOPT_DESPERATE: |
513 |
uu_desperate = ivalue; |
514 |
break; |
515 |
case UUOPT_IGNREPLY: |
516 |
uu_ignreply = ivalue; |
517 |
break; |
518 |
case UUOPT_DEBUG: |
519 |
uu_debug = ivalue; |
520 |
break; |
521 |
case UUOPT_OVERWRITE: |
522 |
uu_overwrite = ivalue; |
523 |
break; |
524 |
case UUOPT_SAVEPATH: |
525 |
FP_free (uusavepath); |
526 |
uusavepath = FP_strdup (cvalue); |
527 |
break; |
528 |
case UUOPT_IGNMODE: |
529 |
uu_ignmode = ivalue; |
530 |
break; |
531 |
case UUOPT_USETEXT: |
532 |
uu_handletext = ivalue; |
533 |
break; |
534 |
case UUOPT_PREAMB: |
535 |
uu_usepreamble = ivalue; |
536 |
break; |
537 |
case UUOPT_TINYB64: |
538 |
uu_tinyb64 = ivalue; |
539 |
break; |
540 |
case UUOPT_ENCEXT: |
541 |
FP_free (uuencodeext); |
542 |
uuencodeext = FP_strdup (cvalue); |
543 |
break; |
544 |
default: |
545 |
return UURET_ILLVAL; |
546 |
} |
547 |
return UURET_OK; |
548 |
} |
549 |
|
550 |
char * UUEXPORT |
551 |
UUstrerror (int code) |
552 |
{ |
553 |
return uuretcodes[code]; |
554 |
} |
555 |
|
556 |
/* |
557 |
* Set the various Callback functions |
558 |
*/ |
559 |
|
560 |
int UUEXPORT |
561 |
UUSetMsgCallback (void *opaque, |
562 |
void (*func) (void *, char *, int)) |
563 |
{ |
564 |
uu_MsgCallback = func; |
565 |
uu_MsgCBArg = opaque; |
566 |
|
567 |
return UURET_OK; |
568 |
} |
569 |
|
570 |
int UUEXPORT |
571 |
UUSetBusyCallback (void *opaque, |
572 |
int (*func) (void *, uuprogress *), |
573 |
long msecs) |
574 |
{ |
575 |
uu_BusyCallback = func; |
576 |
uu_BusyCBArg = opaque; |
577 |
uu_busy_msecs = msecs; |
578 |
|
579 |
return UURET_OK; |
580 |
} |
581 |
|
582 |
int UUEXPORT |
583 |
UUSetFileCallback (void *opaque, |
584 |
int (*func) (void *, char *, char *, int)) |
585 |
{ |
586 |
uu_FileCallback = func; |
587 |
uu_FileCBArg = opaque; |
588 |
|
589 |
return UURET_OK; |
590 |
} |
591 |
|
592 |
int UUEXPORT |
593 |
UUSetFNameFilter (void *opaque, |
594 |
char * (*func) (void *, char *)) |
595 |
{ |
596 |
uu_FNameFilter = func; |
597 |
uu_FFCBArg = opaque; |
598 |
|
599 |
return UURET_OK; |
600 |
} |
601 |
|
602 |
/* |
603 |
* Return a pointer to the nth element of the GlobalFileList |
604 |
* zero-based, returns NULL if item is too large. |
605 |
*/ |
606 |
|
607 |
uulist * UUEXPORT |
608 |
UUGetFileListItem (int item) |
609 |
{ |
610 |
uulist *iter=UUGlobalFileList; |
611 |
|
612 |
if (item < 0) |
613 |
return NULL; |
614 |
while (item && iter) { |
615 |
iter = iter->NEXT; |
616 |
item--; |
617 |
} |
618 |
return iter; |
619 |
} |
620 |
|
621 |
/* |
622 |
* call the current filter |
623 |
*/ |
624 |
|
625 |
char * UUEXPORT |
626 |
UUFNameFilter (char *fname) |
627 |
{ |
628 |
if (uu_FNameFilter) |
629 |
return (*uu_FNameFilter) (uu_FFCBArg, fname); |
630 |
|
631 |
return fname; |
632 |
} |
633 |
|
634 |
/* |
635 |
* Load a File. We call ScanPart repeatedly until at EOF and |
636 |
* add the parts to UUGlobalFileList |
637 |
*/ |
638 |
|
639 |
int UUEXPORT |
640 |
UULoadFile (char *filename, char *fileid, int delflag, int *partcount) |
641 |
{ |
642 |
int res, sr; |
643 |
struct stat finfo; |
644 |
fileread *loaded; |
645 |
uufile *fload; |
646 |
itbd *killem; |
647 |
FILE *datei; |
648 |
|
649 |
int _count; |
650 |
if (!partcount) |
651 |
partcount = &_count; |
652 |
|
653 |
*partcount = 0; |
654 |
|
655 |
if ((datei = fopen (filename, "rb")) == NULL) { |
656 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
657 |
uustring (S_NOT_OPEN_SOURCE), |
658 |
filename, strerror (uu_errno = errno)); |
659 |
return UURET_IOERR; |
660 |
} |
661 |
|
662 |
if (fstat (fileno(datei), &finfo) == -1) { |
663 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
664 |
uustring (S_NOT_STAT_FILE), |
665 |
filename, strerror (uu_errno = errno)); |
666 |
fclose (datei); |
667 |
return UURET_IOERR; |
668 |
} |
669 |
|
670 |
/* |
671 |
* schedule for destruction |
672 |
*/ |
673 |
|
674 |
if (delflag && fileid==NULL) { |
675 |
if ((killem = (itbd *) malloc (sizeof (itbd))) == NULL) { |
676 |
UUMessage (uulib_id, __LINE__, UUMSG_WARNING, |
677 |
uustring (S_OUT_OF_MEMORY), sizeof (itbd)); |
678 |
} |
679 |
else if ((killem->fname = FP_strdup (filename)) == NULL) { |
680 |
UUMessage (uulib_id, __LINE__, UUMSG_WARNING, |
681 |
uustring (S_OUT_OF_MEMORY), strlen(filename)+1); |
682 |
FP_free (killem); |
683 |
} |
684 |
else { |
685 |
killem->NEXT = ftodel; |
686 |
ftodel = killem; |
687 |
} |
688 |
} |
689 |
|
690 |
progress.action = 0; |
691 |
progress.partno = 0; |
692 |
progress.numparts = 1; |
693 |
progress.fsize = (long) ((finfo.st_size>0)?finfo.st_size:-1); |
694 |
progress.percent = 0; |
695 |
progress.foffset = 0; |
696 |
FP_strncpy (progress.curfile, |
697 |
(strlen(filename)>255)? |
698 |
(filename+strlen(filename)-255):filename, |
699 |
256); |
700 |
progress.action = UUACT_SCANNING; |
701 |
|
702 |
if (fileid == NULL) |
703 |
fileid = filename; |
704 |
|
705 |
while (!feof (datei) && !ferror (datei)) { |
706 |
/* |
707 |
* Peek file, or some systems won't detect EOF |
708 |
*/ |
709 |
res = fgetc (datei); |
710 |
if (feof (datei) || ferror (datei)) |
711 |
break; |
712 |
else |
713 |
ungetc (res, datei); |
714 |
|
715 |
if ((loaded = ScanPart (datei, fileid, &sr)) == NULL) { |
716 |
if (sr != UURET_NODATA && sr != UURET_OK && sr != UURET_CONT) { |
717 |
UUkillfread (loaded); |
718 |
if (sr != UURET_CANCEL) |
719 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
720 |
uustring (S_READ_ERROR), filename, |
721 |
strerror (uu_errno)); |
722 |
|
723 |
UUCheckGlobalList (); |
724 |
progress.action = 0; |
725 |
fclose (datei); |
726 |
return sr; |
727 |
} |
728 |
continue; |
729 |
} |
730 |
|
731 |
if (ferror (datei)) { |
732 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
733 |
uustring (S_READ_ERROR), filename, |
734 |
strerror (uu_errno = errno)); |
735 |
UUCheckGlobalList (); |
736 |
progress.action = 0; |
737 |
fclose (datei); |
738 |
return UURET_IOERR; |
739 |
} |
740 |
|
741 |
if ((loaded->uudet == QP_ENCODED || loaded->uudet == PT_ENCODED) && |
742 |
!uu_handletext && (loaded->flags&FL_PARTIAL)==0) { |
743 |
/* |
744 |
* Don't want text |
745 |
*/ |
746 |
UUkillfread (loaded); |
747 |
continue; |
748 |
} |
749 |
|
750 |
if ((loaded->subject == NULL || *(loaded->subject) == '\0') && |
751 |
(loaded->mimeid == NULL || *(loaded->mimeid) == '\0') && |
752 |
(loaded->filename== NULL || *(loaded->filename)== '\0') && |
753 |
(loaded->uudet == 0)) { |
754 |
/* |
755 |
* no useful data here |
756 |
*/ |
757 |
UUkillfread (loaded); |
758 |
if (uu_fast_scanning && sr != UURET_CONT) break; |
759 |
continue; |
760 |
} |
761 |
|
762 |
if ((fload = UUPreProcessPart (loaded, &res)) == NULL) { |
763 |
/* |
764 |
* no useful data found |
765 |
*/ |
766 |
if (res != UURET_NODATA) { |
767 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
768 |
uustring (S_READ_ERROR), filename, |
769 |
(res==UURET_IOERR)?strerror(uu_errno):UUstrerror(res)); |
770 |
} |
771 |
UUkillfread (loaded); |
772 |
if (uu_fast_scanning && sr != UURET_CONT) break; |
773 |
continue; |
774 |
} |
775 |
|
776 |
if ((loaded->subject && *(loaded->subject)) || |
777 |
(loaded->mimeid && *(loaded->mimeid)) || |
778 |
(loaded->filename&& *(loaded->filename))|| |
779 |
(loaded->uudet)) { |
780 |
UUMessage (uulib_id, __LINE__, UUMSG_MESSAGE, |
781 |
uustring (S_LOADED_PART), |
782 |
filename, |
783 |
(loaded->subject) ? loaded->subject : "", |
784 |
(fload->subfname) ? fload->subfname : "", |
785 |
(loaded->filename) ? loaded->filename : "", |
786 |
fload->partno, |
787 |
(loaded->begin) ? "begin" : "", |
788 |
(loaded->end) ? "end" : "", |
789 |
codenames[loaded->uudet]); |
790 |
} |
791 |
|
792 |
if ((res = UUInsertPartToList (fload))) { |
793 |
/* |
794 |
* couldn't use the data |
795 |
*/ |
796 |
UUkillfile (fload); |
797 |
|
798 |
if (res != UURET_NODATA) { |
799 |
UUCheckGlobalList (); |
800 |
progress.action = 0; |
801 |
fclose (datei); |
802 |
return res; |
803 |
} |
804 |
if (uu_fast_scanning && sr != UURET_CONT) |
805 |
break; |
806 |
|
807 |
continue; |
808 |
} |
809 |
|
810 |
/* |
811 |
* if in fast mode, we don't look any further, because we're told |
812 |
* that each source file holds at most one encoded part |
813 |
*/ |
814 |
|
815 |
if (loaded->uudet) |
816 |
(*partcount)++; |
817 |
|
818 |
if (uu_fast_scanning && sr != UURET_CONT) |
819 |
break; |
820 |
} |
821 |
fclose (datei); |
822 |
|
823 |
if (!uu_fast_scanning && *partcount == 0) |
824 |
UUMessage (uulib_id, __LINE__, UUMSG_NOTE, |
825 |
uustring (S_NO_DATA_FOUND), filename); |
826 |
|
827 |
progress.action = 0; |
828 |
UUCheckGlobalList (); |
829 |
|
830 |
return UURET_OK; |
831 |
} |
832 |
|
833 |
/* |
834 |
* decode to a temporary file. this is well handled by uudecode() |
835 |
*/ |
836 |
|
837 |
int UUEXPORT |
838 |
UUDecodeToTemp (uulist *thefile) |
839 |
{ |
840 |
return UUDecode (thefile); |
841 |
} |
842 |
|
843 |
/* |
844 |
* decode file first to temp file, then copy it to a final location |
845 |
*/ |
846 |
|
847 |
int UUEXPORT |
848 |
UUDecodeFile (uulist *thefile, char *destname) |
849 |
{ |
850 |
FILE *target, *source; |
851 |
struct stat finfo; |
852 |
int fildes, res; |
853 |
size_t bytes; |
854 |
|
855 |
if (thefile == NULL) |
856 |
return UURET_ILLVAL; |
857 |
|
858 |
if ((res = UUDecode (thefile)) != UURET_OK) |
859 |
if (res != UURET_NOEND || !uu_desperate) |
860 |
return res; |
861 |
|
862 |
if (thefile->binfile == NULL) { |
863 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
864 |
uustring (S_NO_BIN_FILE)); |
865 |
return UURET_IOERR; |
866 |
} |
867 |
|
868 |
if ((source = fopen (thefile->binfile, "rb")) == NULL) { |
869 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
870 |
uustring (S_NOT_OPEN_FILE), |
871 |
thefile->binfile, strerror (uu_errno = errno)); |
872 |
return UURET_IOERR; |
873 |
} |
874 |
|
875 |
/* |
876 |
* for system security, strip setuid/setgid bits from mode |
877 |
*/ |
878 |
|
879 |
if ((thefile->mode & 0777) != thefile->mode) { |
880 |
UUMessage (uulib_id, __LINE__, UUMSG_NOTE, |
881 |
uustring (S_STRIPPED_SETUID), |
882 |
destname, (int)thefile->mode); |
883 |
thefile->mode &= 0777; |
884 |
} |
885 |
|
886 |
/* |
887 |
* Determine the name of the target file according to the rules: |
888 |
* |
889 |
* IF (destname!=NULL) THEN filename=destname; |
890 |
* ELSE |
891 |
* filename = thefile->filename |
892 |
* IF (FilenameFilter!=NULL) THEN filename=FilenameFilter(filename); |
893 |
* filename = SaveFilePath + filename |
894 |
* END |
895 |
*/ |
896 |
|
897 |
if (destname) |
898 |
strcpy (uugen_fnbuffer, destname); |
899 |
else { |
900 |
sprintf (uugen_fnbuffer, "%s%s", |
901 |
(uusavepath)?uusavepath:"", |
902 |
UUFNameFilter ((thefile->filename)? |
903 |
thefile->filename:"unknown.xxx")); |
904 |
} |
905 |
|
906 |
/* |
907 |
* if we don't want to overwrite existing files, check if it's there |
908 |
*/ |
909 |
|
910 |
if (!uu_overwrite) { |
911 |
if (stat (uugen_fnbuffer, &finfo) == 0) { |
912 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
913 |
uustring (S_TARGET_EXISTS), uugen_fnbuffer); |
914 |
fclose (source); |
915 |
return UURET_EXISTS; |
916 |
} |
917 |
} |
918 |
|
919 |
if (fstat (fileno(source), &finfo) == -1) { |
920 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
921 |
uustring (S_NOT_STAT_FILE), |
922 |
thefile->binfile, strerror (uu_errno = errno)); |
923 |
fclose (source); |
924 |
return UURET_IOERR; |
925 |
} |
926 |
|
927 |
progress.action = 0; |
928 |
FP_strncpy (progress.curfile, |
929 |
(strlen(uugen_fnbuffer)>255)? |
930 |
(uugen_fnbuffer+strlen(uugen_fnbuffer)-255):uugen_fnbuffer, |
931 |
256); |
932 |
progress.partno = 0; |
933 |
progress.numparts = 1; |
934 |
progress.fsize = (long) ((finfo.st_size)?finfo.st_size:-1); |
935 |
progress.foffset = 0; |
936 |
progress.percent = 0; |
937 |
progress.action = UUACT_COPYING; |
938 |
|
939 |
if ((fildes = open (uugen_fnbuffer, |
940 |
O_WRONLY | O_CREAT | O_BINARY | O_TRUNC, |
941 |
(uu_ignmode)?0666:thefile->mode)) == -1) { |
942 |
progress.action = 0; |
943 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
944 |
uustring (S_NOT_OPEN_TARGET), |
945 |
uugen_fnbuffer, strerror (uu_errno = errno)); |
946 |
fclose (source); |
947 |
return UURET_IOERR; |
948 |
} |
949 |
|
950 |
if ((target = fdopen (fildes, "wb")) == NULL) { |
951 |
progress.action = 0; |
952 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
953 |
uustring (S_IO_ERR_TARGET), |
954 |
uugen_fnbuffer, strerror (uu_errno = errno)); |
955 |
fclose (source); |
956 |
close (fildes); |
957 |
return UURET_IOERR; |
958 |
} |
959 |
|
960 |
while (!feof (source)) { |
961 |
|
962 |
if (UUBUSYPOLL(ftell(source),progress.fsize)) { |
963 |
UUMessage (uulib_id, __LINE__, UUMSG_NOTE, |
964 |
uustring (S_DECODE_CANCEL)); |
965 |
fclose (source); |
966 |
fclose (target); |
967 |
unlink (uugen_fnbuffer); |
968 |
return UURET_CANCEL; |
969 |
} |
970 |
|
971 |
bytes = fread (uugen_inbuffer, 1, 1024, source); |
972 |
|
973 |
if (ferror (source) || (bytes == 0 && !feof (source))) { |
974 |
progress.action = 0; |
975 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
976 |
uustring (S_READ_ERROR), |
977 |
thefile->binfile, strerror (uu_errno = errno)); |
978 |
fclose (source); |
979 |
fclose (target); |
980 |
unlink (uugen_fnbuffer); |
981 |
return UURET_IOERR; |
982 |
} |
983 |
if (fwrite (uugen_inbuffer, 1, bytes, target) != bytes) { |
984 |
progress.action = 0; |
985 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
986 |
uustring (S_WR_ERR_TARGET), |
987 |
uugen_fnbuffer, strerror (uu_errno = errno)); |
988 |
fclose (source); |
989 |
fclose (target); |
990 |
unlink (uugen_fnbuffer); |
991 |
return UURET_IOERR; |
992 |
} |
993 |
} |
994 |
|
995 |
fclose (target); |
996 |
fclose (source); |
997 |
|
998 |
/* |
999 |
* after a successful decoding run, we delete the temporary file |
1000 |
*/ |
1001 |
|
1002 |
if (unlink (thefile->binfile)) { |
1003 |
UUMessage (uulib_id, __LINE__, UUMSG_WARNING, |
1004 |
uustring (S_TMP_NOT_REMOVED), |
1005 |
thefile->binfile, |
1006 |
strerror (uu_errno = errno)); |
1007 |
} |
1008 |
FP_free (thefile->binfile); |
1009 |
thefile->binfile = NULL; |
1010 |
thefile->state &= ~UUFILE_TMPFILE; |
1011 |
thefile->state |= UUFILE_DECODED; |
1012 |
progress.action = 0; |
1013 |
|
1014 |
return UURET_OK; |
1015 |
} |
1016 |
|
1017 |
/* |
1018 |
* Calls a function repeatedly with all the info we have for a file |
1019 |
* If the function returns non-zero, we break and don't send any more |
1020 |
*/ |
1021 |
|
1022 |
int UUEXPORT |
1023 |
UUInfoFile (uulist *thefile, void *opaque, |
1024 |
int (*func) (void *, char *)) |
1025 |
{ |
1026 |
int errflag=0, res, bhflag=0, dd; |
1027 |
long maxpos; |
1028 |
FILE *inpfile; |
1029 |
|
1030 |
/* |
1031 |
* We might need to ask our callback function to download the file |
1032 |
*/ |
1033 |
|
1034 |
if (uu_FileCallback) { |
1035 |
if ((res = (*uu_FileCallback) (uu_FileCBArg, |
1036 |
thefile->thisfile->data->sfname, |
1037 |
uugen_fnbuffer, |
1038 |
1)) != UURET_OK) |
1039 |
return res; |
1040 |
if ((inpfile = fopen (uugen_fnbuffer, "rb")) == NULL) { |
1041 |
(*uu_FileCallback) (uu_FileCBArg, thefile->thisfile->data->sfname, |
1042 |
uugen_fnbuffer, 0); |
1043 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
1044 |
uustring (S_NOT_OPEN_FILE), uugen_fnbuffer, |
1045 |
strerror (uu_errno = errno)); |
1046 |
return UURET_IOERR; |
1047 |
} |
1048 |
} |
1049 |
else { |
1050 |
if ((inpfile = fopen (thefile->thisfile->data->sfname, "rb")) == NULL) { |
1051 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
1052 |
uustring (S_NOT_OPEN_FILE), |
1053 |
thefile->thisfile->data->sfname, |
1054 |
strerror (uu_errno=errno)); |
1055 |
return UURET_IOERR; |
1056 |
} |
1057 |
FP_strncpy (uugen_fnbuffer, thefile->thisfile->data->sfname, 1024); |
1058 |
} |
1059 |
|
1060 |
/* |
1061 |
* seek to beginning of info |
1062 |
*/ |
1063 |
|
1064 |
fseek (inpfile, thefile->thisfile->data->startpos, SEEK_SET); |
1065 |
maxpos = thefile->thisfile->data->startpos + thefile->thisfile->data->length; |
1066 |
|
1067 |
while (!feof (inpfile) && |
1068 |
(uu_fast_scanning || ftell(inpfile) < maxpos)) { |
1069 |
if (FP_fgets (uugen_inbuffer, 511, inpfile) == NULL) |
1070 |
break; |
1071 |
uugen_inbuffer[511] = '\0'; |
1072 |
|
1073 |
if (ferror (inpfile)) |
1074 |
break; |
1075 |
|
1076 |
dd = UUValidData (uugen_inbuffer, 0, &bhflag); |
1077 |
|
1078 |
if (thefile->uudet == B64ENCODED && dd == B64ENCODED) |
1079 |
break; |
1080 |
else if (thefile->uudet == BH_ENCODED && bhflag) |
1081 |
break; |
1082 |
else if ((thefile->uudet == UU_ENCODED || thefile->uudet == XX_ENCODED) && |
1083 |
strncmp (uugen_inbuffer, "begin ", 6) == 0) |
1084 |
break; |
1085 |
|
1086 |
if ((*func) (opaque, uugen_inbuffer)) |
1087 |
break; |
1088 |
} |
1089 |
|
1090 |
if (ferror (inpfile)) { |
1091 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
1092 |
uustring (S_READ_ERROR), |
1093 |
uugen_fnbuffer, strerror (uu_errno = errno)); |
1094 |
errflag = 1; |
1095 |
} |
1096 |
|
1097 |
fclose (inpfile); |
1098 |
|
1099 |
if (uu_FileCallback) |
1100 |
(*uu_FileCallback) (uu_FileCBArg, |
1101 |
thefile->thisfile->data->sfname, |
1102 |
uugen_fnbuffer, 0); |
1103 |
|
1104 |
if (errflag) |
1105 |
return UURET_IOERR; |
1106 |
|
1107 |
return UURET_OK; |
1108 |
} |
1109 |
|
1110 |
int UUEXPORT |
1111 |
UURenameFile (uulist *thefile, char *newname) |
1112 |
{ |
1113 |
char *oldname; |
1114 |
|
1115 |
if (thefile == NULL) |
1116 |
return UURET_ILLVAL; |
1117 |
|
1118 |
oldname = thefile->filename; |
1119 |
|
1120 |
if ((thefile->filename = FP_strdup (newname)) == NULL) { |
1121 |
UUMessage (uulib_id, __LINE__, UUMSG_ERROR, |
1122 |
uustring (S_NOT_RENAME), |
1123 |
oldname, newname); |
1124 |
thefile->filename = oldname; |
1125 |
return UURET_NOMEM; |
1126 |
} |
1127 |
FP_free (oldname); |
1128 |
return UURET_OK; |
1129 |
} |
1130 |
|
1131 |
int UUEXPORT |
1132 |
UURemoveTemp (uulist *thefile) |
1133 |
{ |
1134 |
if (thefile == NULL) |
1135 |
return UURET_ILLVAL; |
1136 |
|
1137 |
if (thefile->binfile) { |
1138 |
if (unlink (thefile->binfile)) { |
1139 |
UUMessage (uulib_id, __LINE__, UUMSG_WARNING, |
1140 |
uustring (S_TMP_NOT_REMOVED), |
1141 |
thefile->binfile, |
1142 |
strerror (uu_errno = errno)); |
1143 |
} |
1144 |
FP_free (thefile->binfile); |
1145 |
thefile->binfile = NULL; |
1146 |
thefile->state &= ~UUFILE_TMPFILE; |
1147 |
} |
1148 |
return UURET_OK; |
1149 |
} |
1150 |
|
1151 |
int UUEXPORT |
1152 |
UUCleanUp (void) |
1153 |
{ |
1154 |
itbd *iter=ftodel, *ptr; |
1155 |
allomap *aiter; |
1156 |
|
1157 |
UUkilllist (UUGlobalFileList); |
1158 |
UUGlobalFileList = NULL; |
1159 |
|
1160 |
/* |
1161 |
* delete input files |
1162 |
*/ |
1163 |
while (iter) { |
1164 |
if (unlink (iter->fname)) { |
1165 |
UUMessage (uulib_id, __LINE__, UUMSG_WARNING, |
1166 |
uustring (S_TMP_NOT_REMOVED), |
1167 |
iter->fname, strerror (uu_errno = errno)); |
1168 |
} |
1169 |
FP_free (iter->fname); |
1170 |
ptr = iter; |
1171 |
iter = iter->NEXT; |
1172 |
FP_free (ptr); |
1173 |
} |
1174 |
ftodel = NULL; |
1175 |
|
1176 |
FP_free (uusavepath); |
1177 |
FP_free (uuencodeext); |
1178 |
FP_free (sstate.source); |
1179 |
|
1180 |
uusavepath = NULL; |
1181 |
uuencodeext = NULL; |
1182 |
|
1183 |
UUkillheaders (&localenv); |
1184 |
UUkillheaders (&sstate.envelope); |
1185 |
memset (&localenv, 0, sizeof (headers)); |
1186 |
memset (&sstate, 0, sizeof (scanstate)); |
1187 |
|
1188 |
while (mssdepth) { |
1189 |
mssdepth--; |
1190 |
UUkillheaders (&(multistack[mssdepth].envelope)); |
1191 |
FP_free (multistack[mssdepth].source); |
1192 |
} |
1193 |
|
1194 |
/* |
1195 |
* clean up the malloc'ed stuff |
1196 |
*/ |
1197 |
|
1198 |
for (aiter=toallocate; aiter->ptr; aiter++) { |
1199 |
FP_free (*(aiter->ptr)); |
1200 |
*(aiter->ptr) = NULL; |
1201 |
} |
1202 |
|
1203 |
return UURET_OK; |
1204 |
} |
1205 |
|