1 |
root |
1.1 |
/* |
2 |
|
|
* This file is part of uudeview, the simple and friendly multi-part multi- |
3 |
root |
1.2 |
* file uudecoder program (c) 1994-2001 by Frank Pilhofer. The author may |
4 |
|
|
* be contacted at fp@fpx.de |
5 |
root |
1.1 |
* |
6 |
|
|
* 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 |
8 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
9 |
|
|
* (at your option) any later version. |
10 |
|
|
* |
11 |
|
|
* This program is distributed in the hope that it will be useful, |
12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
|
|
* GNU General Public License for more details. |
15 |
|
|
*/ |
16 |
|
|
|
17 |
|
|
#ifndef __UUINT_H__ |
18 |
|
|
#define __UUINT_H__ |
19 |
|
|
|
20 |
|
|
/* |
21 |
|
|
* This file describes the internal structures, variables and definitions |
22 |
|
|
* of UUDeview. It should not be included from other packages. Subject to |
23 |
|
|
* change without notice. Do not depend on anything here. |
24 |
|
|
* |
25 |
root |
1.4 |
* $Id: uuint.h,v 1.3 2002/03/31 20:04:30 root Exp $ |
26 |
root |
1.1 |
*/ |
27 |
|
|
|
28 |
|
|
/* |
29 |
|
|
* Busy Polls will be made after processing ... lines |
30 |
|
|
*/ |
31 |
|
|
|
32 |
|
|
#define BUSY_LINE_TICKS 50 |
33 |
|
|
|
34 |
|
|
/* |
35 |
|
|
* States of MIME scanner |
36 |
|
|
*/ |
37 |
|
|
|
38 |
|
|
#define MS_HEADERS 1 /* still inside of headers */ |
39 |
|
|
#define MS_BODY 2 /* body of `simple' messages */ |
40 |
|
|
#define MS_PREAMBLE 3 /* preamble of Multipart/Mixed */ |
41 |
|
|
#define MS_SUBPART 4 /* within one of the Multiparts */ |
42 |
|
|
#define MS_EPILOGUE 5 /* epilogue of Multipart/Mixed */ |
43 |
|
|
|
44 |
|
|
/* |
45 |
|
|
* Number of subsequent encoded lines we require to believe this |
46 |
|
|
* is valid data. |
47 |
|
|
*/ |
48 |
|
|
|
49 |
|
|
#define ELC_COUNT 4 |
50 |
|
|
|
51 |
|
|
/* |
52 |
|
|
* Flags a part may have. FL_PROPER means that we are sure about the file's |
53 |
|
|
* encoding, beginning and end, and don't have to use special care when de- |
54 |
|
|
* coding. |
55 |
|
|
*/ |
56 |
|
|
|
57 |
|
|
#define FL_NONE 0 /* no flag, just plain normal */ |
58 |
|
|
#define FL_SINGLE 1 /* standalone MSG, do not mix */ |
59 |
|
|
#define FL_PARTIAL 2 /* from Message/Partial */ |
60 |
|
|
#define FL_PROPER 4 /* proper MIME part */ |
61 |
|
|
#define FL_TOEND 8 /* part continues to EOF */ |
62 |
|
|
|
63 |
|
|
/* |
64 |
|
|
* Auxiliary macro: compute the percentage of a against b. |
65 |
|
|
* The obvious answer is (100*a)/b, but this overflows for large a. |
66 |
|
|
* a/(b/100) is better; we use a/((b/100)+1) so that we don't divide |
67 |
|
|
* by zero for b<100 and the result doesn't become larger than 100% |
68 |
|
|
*/ |
69 |
|
|
|
70 |
|
|
#define UUPERCENT(a,b) ((int) ((unsigned long)(a) / \ |
71 |
|
|
(((unsigned long)(b)/100)+1))) |
72 |
|
|
|
73 |
|
|
/* |
74 |
|
|
* Make the Busy Callback easier. The macro returns true if the BusyCallback |
75 |
|
|
* wants us to terminate. |
76 |
|
|
*/ |
77 |
|
|
|
78 |
|
|
extern unsigned long uuyctr; |
79 |
|
|
#define UUBUSYPOLL(a,b) (((++uuyctr%BUSY_LINE_TICKS)==0) ? (progress.percent=UUPERCENT((a),(b)),UUBusyPoll()):0) |
80 |
|
|
|
81 |
|
|
/* |
82 |
|
|
* How many lines of headers do we need to believe another mail |
83 |
|
|
* header is approaching? Use more restrictive values for MIME |
84 |
|
|
* mails, less restrictive for Freestyle |
85 |
|
|
*/ |
86 |
|
|
|
87 |
|
|
typedef struct { |
88 |
|
|
int restart; /* restarting after a MIME body (not subpart) */ |
89 |
|
|
int afterdata; /* after we had useful data in freestyle mode */ |
90 |
|
|
int afternl; /* after an empty line in freestyle mode */ |
91 |
|
|
} headercount; |
92 |
|
|
|
93 |
|
|
extern headercount hlcount; |
94 |
|
|
|
95 |
|
|
/* |
96 |
|
|
* Information from the headers of a message. Each instance must |
97 |
|
|
* have its very own copy of the strings. If `mimevers' is NULL, |
98 |
|
|
* then this message does not comply to the MIME standard. |
99 |
|
|
*/ |
100 |
|
|
|
101 |
|
|
typedef struct _headers { |
102 |
|
|
char *from; /* From: */ |
103 |
|
|
char *subject; /* Subject: */ |
104 |
|
|
char *rcpt; /* To: */ |
105 |
|
|
char *date; /* Date: */ |
106 |
|
|
char *mimevers; /* MIME-Version: */ |
107 |
|
|
char *ctype; /* Content-Type: */ |
108 |
|
|
char *ctenc; /* Content-Transfer-Encoding: */ |
109 |
|
|
char *fname; /* Potential Filename from Content-Type Parameter */ |
110 |
|
|
char *boundary; /* MIME-Boundary from Content-Type Parameter */ |
111 |
|
|
char *mimeid; /* MIME-Id for Message/Partial */ |
112 |
|
|
int partno; /* part number for Message/Partial */ |
113 |
|
|
int numparts; /* number of parts for Message/Partial */ |
114 |
|
|
} headers; |
115 |
|
|
|
116 |
|
|
/* |
117 |
|
|
* Scanner state |
118 |
|
|
*/ |
119 |
|
|
|
120 |
|
|
typedef struct _scanstate { |
121 |
|
|
int isfolder; /* if we think this is a valid email folder */ |
122 |
|
|
int ismime; /* if we are within a valid MIME message */ |
123 |
|
|
int mimestate; /* state of MIME scanner */ |
124 |
|
|
int mimeenc; /* encoding of this MIME file */ |
125 |
|
|
char *source; /* source filename */ |
126 |
|
|
headers envelope; /* mail envelope headers */ |
127 |
|
|
} scanstate; |
128 |
|
|
|
129 |
|
|
/* |
130 |
|
|
* Structure that holds the information for a single file / part of |
131 |
|
|
* a file. If a subject line is encountered, it is copied to subject; |
132 |
|
|
* if a begin is found, the mode and name of the file is extracted. |
133 |
|
|
* flags are set if 'begin' or 'end' is detected and 'uudet' if valid |
134 |
|
|
* uuencoded data is found. If the file contains a 'From:' line with |
135 |
|
|
* a '@' in it (indicating an origin email address), it is preserved |
136 |
|
|
* in 'origin'. |
137 |
|
|
**/ |
138 |
|
|
|
139 |
|
|
typedef struct _fileread { |
140 |
|
|
char *subject; /* Whole subject line */ |
141 |
|
|
char *filename; /* Only filled in if begin detected */ |
142 |
|
|
char *origin; /* Whole 'From:' line */ |
143 |
|
|
char *mimeid; /* the ID for Mime-encoded files */ |
144 |
|
|
char *mimetype; /* Content-Type */ |
145 |
|
|
short mode; /* Mode of File (from 'begin') */ |
146 |
|
|
int begin; /* begin detected */ |
147 |
|
|
int end; /* end detected */ |
148 |
|
|
int flags; /* associated flags */ |
149 |
|
|
|
150 |
|
|
short uudet; /* valid encoded data. value indicates encoding */ |
151 |
|
|
short partno; /* Mime-files have a part number within */ |
152 |
|
|
short maxpno; /* ... plus the total number of parts */ |
153 |
|
|
|
154 |
|
|
char *sfname; /* Associated source file */ |
155 |
|
|
long startpos; /* ftell() position where data starts */ |
156 |
|
|
long length; /* length of data */ |
157 |
|
|
} fileread; |
158 |
|
|
|
159 |
|
|
/* |
160 |
|
|
* Structure for holding one part of a file, with some more information |
161 |
|
|
* about it. The UUPreProcessPart() function takes one a fileread structure |
162 |
|
|
* and produces this uufile structure. |
163 |
|
|
* Linked List, ordered by partno. |
164 |
|
|
**/ |
165 |
|
|
|
166 |
|
|
typedef struct _uufile { |
167 |
|
|
char *filename; |
168 |
|
|
char *subfname; |
169 |
|
|
char *mimeid; |
170 |
|
|
char *mimetype; |
171 |
|
|
short partno; |
172 |
|
|
fileread *data; |
173 |
|
|
struct _uufile *NEXT; |
174 |
|
|
} uufile; |
175 |
|
|
|
176 |
|
|
extern void *uu_MsgCBArg; |
177 |
|
|
extern void *uu_BusyCBArg; |
178 |
|
|
extern void *uu_FileCBArg; |
179 |
|
|
extern void *uu_FFCBArg; |
180 |
root |
1.4 |
extern void *uu_FNCBArg; |
181 |
root |
1.1 |
|
182 |
|
|
/* |
183 |
|
|
* variables |
184 |
|
|
*/ |
185 |
|
|
|
186 |
|
|
extern int uu_fast_scanning; |
187 |
|
|
extern int uu_bracket_policy; |
188 |
|
|
extern int uu_verbose; |
189 |
|
|
extern int uu_desperate; |
190 |
|
|
extern int uu_ignreply; |
191 |
|
|
extern int uu_debug; |
192 |
|
|
extern int uu_errno; |
193 |
|
|
extern int uu_dumbness; |
194 |
|
|
extern int uu_overwrite; |
195 |
|
|
extern int uu_ignmode; |
196 |
|
|
extern int uu_headercount; |
197 |
|
|
extern int uu_usepreamble; |
198 |
|
|
extern int uu_handletext; |
199 |
|
|
extern int uu_tinyb64; |
200 |
root |
1.2 |
extern int uu_remove_input; |
201 |
|
|
extern int uu_more_mime; |
202 |
root |
1.1 |
|
203 |
|
|
extern char *uusavepath; |
204 |
|
|
extern char *uuencodeext; |
205 |
|
|
|
206 |
|
|
/* |
207 |
|
|
* Encoding/Decoding tables |
208 |
|
|
*/ |
209 |
|
|
|
210 |
|
|
extern unsigned char UUEncodeTable[]; |
211 |
|
|
extern unsigned char XXEncodeTable[]; |
212 |
|
|
extern unsigned char B64EncodeTable[]; |
213 |
|
|
extern unsigned char BHEncodeTable[]; |
214 |
|
|
|
215 |
|
|
/* |
216 |
|
|
* String tables from uustring.c |
217 |
|
|
*/ |
218 |
|
|
|
219 |
|
|
extern char *msgnames[]; |
220 |
|
|
extern char *codenames[]; |
221 |
|
|
extern char *uuretcodes[]; |
222 |
|
|
|
223 |
|
|
extern uulist *UUGlobalFileList; |
224 |
|
|
|
225 |
|
|
/* |
226 |
|
|
* State of MIME variables and current progress |
227 |
|
|
*/ |
228 |
|
|
|
229 |
|
|
extern int nofnum, mssdepth; |
230 |
|
|
extern int mimseqno, lastvalid; |
231 |
|
|
extern int lastenc; |
232 |
|
|
extern scanstate multistack[]; |
233 |
|
|
extern headers localenv; |
234 |
|
|
extern scanstate sstate; |
235 |
|
|
extern uuprogress progress; |
236 |
|
|
|
237 |
|
|
/* |
238 |
|
|
* mallocable areas |
239 |
|
|
*/ |
240 |
|
|
|
241 |
|
|
extern char *uugen_fnbuffer, *uugen_inbuffer; |
242 |
|
|
extern char *uucheck_lastname, *uucheck_tempname; |
243 |
|
|
extern char *uuestr_itemp, *uuestr_otemp; |
244 |
|
|
extern char *uulib_msgstring, *uuncdl_fulline; |
245 |
|
|
extern char *uuncdp_oline, *uuscan_shlline; |
246 |
|
|
extern char *uuscan_pvvalue, *uuscan_phtext; |
247 |
|
|
extern char *uuscan_sdline, *uuscan_sdbhds1; |
248 |
|
|
extern char *uuscan_sdbhds2, *uuscan_spline; |
249 |
|
|
extern char *uuutil_bhwtmp; |
250 |
|
|
extern char *uunconc_UUxlat, *uunconc_UUxlen; |
251 |
|
|
extern char *uunconc_B64xlat, *uunconc_XXxlat; |
252 |
|
|
extern char *uunconc_BHxlat, *uunconc_save; |
253 |
|
|
|
254 |
|
|
#ifdef __cplusplus |
255 |
|
|
extern "C" { |
256 |
|
|
#endif |
257 |
|
|
|
258 |
root |
1.4 |
extern void (*uu_MsgCallback) (void *, char *, int); |
259 |
|
|
extern int (*uu_BusyCallback) (void *, uuprogress *); |
260 |
|
|
extern int (*uu_FileCallback) (void *, char *, char *, int); |
261 |
|
|
extern char * (*uu_FNameFilter) (void *, char *); |
262 |
|
|
extern char * (*uu_FileNameCallback)(void *, char *, char *); |
263 |
root |
1.1 |
|
264 |
|
|
/* |
265 |
|
|
* Functions from uulib.c that aren't defined in <uudeview.h> |
266 |
|
|
* Be careful about the definition with variable arguments. |
267 |
|
|
*/ |
268 |
|
|
|
269 |
|
|
#if defined(STDC_HEADERS) || defined(HAVE_STDARG_H) |
270 |
|
|
int UUMessage (char *, int, int, char *, ...); |
271 |
|
|
#else |
272 |
|
|
int UUMessage (); |
273 |
|
|
#endif |
274 |
|
|
int UUBusyPoll (void); |
275 |
|
|
|
276 |
|
|
/* |
277 |
|
|
* Functions from uucheck.c |
278 |
|
|
*/ |
279 |
|
|
|
280 |
|
|
uufile * UUPreProcessPart (fileread *, int *); |
281 |
|
|
int UUInsertPartToList (uufile *); |
282 |
|
|
uulist * UUCheckGlobalList (void); |
283 |
|
|
|
284 |
|
|
/* |
285 |
|
|
* Functions from uuutil.c |
286 |
|
|
*/ |
287 |
|
|
|
288 |
|
|
void UUkillfread (fileread *); |
289 |
|
|
void UUkillfile (uufile *); |
290 |
|
|
void UUkilllist (uulist *); |
291 |
|
|
void UUkillheaders (headers *); |
292 |
|
|
|
293 |
|
|
fileread * ScanPart (FILE *, char *, int *); |
294 |
|
|
|
295 |
|
|
int UUbhdecomp (char *, char *, |
296 |
|
|
char *, int *, |
297 |
|
|
size_t, size_t, |
298 |
|
|
size_t *); |
299 |
|
|
size_t UUbhwrite (char *, size_t, size_t, FILE *); |
300 |
|
|
|
301 |
|
|
/* |
302 |
|
|
* Functions from uunconc.c |
303 |
|
|
*/ |
304 |
|
|
|
305 |
|
|
int UURepairData (FILE *, char *, int, int *); |
306 |
|
|
|
307 |
|
|
void UUInitConc (void); |
308 |
|
|
int UUValidData (char *, int, int *); |
309 |
|
|
size_t UUDecodeLine (char *, char *, int); |
310 |
|
|
int UUDecodePart (FILE *, FILE *, int *, long, int, int, char *); |
311 |
|
|
int UUDecode (uulist *); |
312 |
|
|
|
313 |
|
|
/* |
314 |
|
|
* Message retrieval from uustring.c |
315 |
|
|
*/ |
316 |
|
|
|
317 |
|
|
char * uustring (int); |
318 |
|
|
|
319 |
|
|
/* |
320 |
|
|
* From uuscan.c |
321 |
|
|
*/ |
322 |
|
|
|
323 |
|
|
int UUScanHeader (FILE *, headers *); |
324 |
|
|
|
325 |
|
|
#ifdef __cplusplus |
326 |
|
|
} |
327 |
|
|
#endif |
328 |
|
|
#endif |