Commit | Line | Data |
---|---|---|
059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
deaf311d | 5 | /* Copyright (c) Michael Haardt 2003-2008 */ |
059ec3d9 PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
8 | /* This code was contributed by Michael Haardt. */ | |
9 | ||
10 | ||
11 | /* Sieve mail filter. */ | |
12 | ||
13 | #include <ctype.h> | |
14 | #include <errno.h> | |
15 | #include <limits.h> | |
16 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | ||
19 | #include "exim.h" | |
20 | ||
21 | #if HAVE_ICONV | |
22 | #include <iconv.h> | |
23 | #endif | |
24 | ||
25 | /* Define this for RFC compliant \r\n end-of-line terminators. */ | |
26 | /* Undefine it for UNIX-style \n end-of-line terminators (default). */ | |
27 | #undef RFC_EOL | |
28 | ||
84024b72 | 29 | /* Define this for development of the Sieve extension "encoded-character". */ |
4be39b49 | 30 | #define ENCODED_CHARACTER |
84024b72 | 31 | |
024bd3c2 PH |
32 | /* Define this for development of the Sieve extension "envelope-auth". */ |
33 | #undef ENVELOPE_AUTH | |
34 | ||
7c5214ec | 35 | /* Define this for development of the Sieve extension "enotify". */ |
4be39b49 | 36 | #define ENOTIFY |
87fcc8b9 PH |
37 | |
38 | /* Define this for the Sieve extension "subaddress". */ | |
5ea81592 | 39 | #define SUBADDRESS |
059ec3d9 | 40 | |
87fcc8b9 | 41 | /* Define this for the Sieve extension "vacation". */ |
059ec3d9 PH |
42 | #define VACATION |
43 | ||
44 | /* Must be >= 1 */ | |
45 | #define VACATION_MIN_DAYS 1 | |
46 | /* Must be >= VACATION_MIN_DAYS, must be > 7, should be > 30 */ | |
47 | #define VACATION_MAX_DAYS 31 | |
48 | ||
49 | /* Keep this at 75 to accept only RFC compliant MIME words. */ | |
50 | /* Increase it if you want to match headers from buggy MUAs. */ | |
51 | #define MIMEWORD_LENGTH 75 | |
52 | ||
53 | struct Sieve | |
54 | { | |
55 | uschar *filter; | |
56 | const uschar *pc; | |
57 | int line; | |
58 | const uschar *errmsg; | |
59 | int keep; | |
60 | int require_envelope; | |
61 | int require_fileinto; | |
84024b72 PH |
62 | #ifdef ENCODED_CHARACTER |
63 | int require_encoded_character; | |
64 | #endif | |
024bd3c2 PH |
65 | #ifdef ENVELOPE_AUTH |
66 | int require_envelope_auth; | |
67 | #endif | |
7c5214ec PH |
68 | #ifdef ENOTIFY |
69 | int require_enotify; | |
50c99ba6 | 70 | struct Notification *notified; |
87fcc8b9 | 71 | #endif |
efd9a422 | 72 | uschar *enotify_mailto_owner; |
059ec3d9 PH |
73 | #ifdef SUBADDRESS |
74 | int require_subaddress; | |
75 | #endif | |
76 | #ifdef VACATION | |
77 | int require_vacation; | |
78 | int vacation_ran; | |
79 | #endif | |
80 | uschar *vacation_directory; | |
e4a89c47 PH |
81 | const uschar *subaddress; |
82 | const uschar *useraddress; | |
059ec3d9 PH |
83 | int require_copy; |
84 | int require_iascii_numeric; | |
85 | }; | |
86 | ||
5ea81592 | 87 | enum Comparator { COMP_OCTET, COMP_EN_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; |
059ec3d9 PH |
88 | enum MatchType { MATCH_IS, MATCH_CONTAINS, MATCH_MATCHES }; |
89 | #ifdef SUBADDRESS | |
90 | enum AddressPart { ADDRPART_USER, ADDRPART_DETAIL, ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
91 | #else | |
92 | enum AddressPart { ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
93 | #endif | |
94 | enum RelOp { LT, LE, EQ, GE, GT, NE }; | |
95 | ||
96 | struct String | |
97 | { | |
98 | uschar *character; | |
99 | int length; | |
100 | }; | |
101 | ||
50c99ba6 PH |
102 | struct Notification |
103 | { | |
104 | struct String method; | |
7c5214ec | 105 | struct String importance; |
50c99ba6 PH |
106 | struct String message; |
107 | struct Notification *next; | |
108 | }; | |
109 | ||
98a90c36 PP |
110 | /* This should be a complete list of supported extensions, so that an external |
111 | ManageSieve (RFC 5804) program can interrogate the current Exim binary for the | |
112 | list of extensions and provide correct information to a client. | |
113 | ||
114 | We'll emit the list in the order given here; keep it alphabetically sorted, so | |
115 | that callers don't get surprised. | |
116 | ||
117 | List *MUST* end with a NULL. Which at least makes ifdef-vs-comma easier. */ | |
118 | ||
119 | const uschar *exim_sieve_extension_list[] = { | |
120 | CUS"comparator-i;ascii-numeric", | |
121 | CUS"copy", | |
122 | #ifdef ENCODED_CHARACTER | |
123 | CUS"encoded-character", | |
124 | #endif | |
125 | #ifdef ENOTIFY | |
126 | CUS"enotify", | |
127 | #endif | |
128 | CUS"envelope", | |
129 | #ifdef ENVELOPE_AUTH | |
130 | CUS"envelope-auth", | |
131 | #endif | |
132 | CUS"fileinto", | |
133 | #ifdef SUBADDRESS | |
134 | CUS"subaddress", | |
135 | #endif | |
136 | #ifdef VACATION | |
137 | CUS"vacation", | |
138 | #endif | |
139 | NULL | |
140 | }; | |
141 | ||
7c5214ec | 142 | static int eq_asciicase(const struct String *needle, const struct String *haystack, int match_prefix); |
059ec3d9 PH |
143 | static int parse_test(struct Sieve *filter, int *cond, int exec); |
144 | static int parse_commands(struct Sieve *filter, int exec, address_item **generated); | |
145 | ||
146 | static uschar str_from_c[]="From"; | |
147 | static const struct String str_from={ str_from_c, 4 }; | |
148 | static uschar str_to_c[]="To"; | |
149 | static const struct String str_to={ str_to_c, 2 }; | |
150 | static uschar str_cc_c[]="Cc"; | |
151 | static const struct String str_cc={ str_cc_c, 2 }; | |
152 | static uschar str_bcc_c[]="Bcc"; | |
153 | static const struct String str_bcc={ str_bcc_c, 3 }; | |
024bd3c2 PH |
154 | static uschar str_auth_c[]="auth"; |
155 | static const struct String str_auth={ str_auth_c, 4 }; | |
059ec3d9 PH |
156 | static uschar str_sender_c[]="Sender"; |
157 | static const struct String str_sender={ str_sender_c, 6 }; | |
158 | static uschar str_resent_from_c[]="Resent-From"; | |
159 | static const struct String str_resent_from={ str_resent_from_c, 11 }; | |
160 | static uschar str_resent_to_c[]="Resent-To"; | |
161 | static const struct String str_resent_to={ str_resent_to_c, 9 }; | |
162 | static uschar str_fileinto_c[]="fileinto"; | |
163 | static const struct String str_fileinto={ str_fileinto_c, 8 }; | |
164 | static uschar str_envelope_c[]="envelope"; | |
165 | static const struct String str_envelope={ str_envelope_c, 8 }; | |
84024b72 PH |
166 | #ifdef ENCODED_CHARACTER |
167 | static uschar str_encoded_character_c[]="encoded-character"; | |
168 | static const struct String str_encoded_character={ str_encoded_character_c, 17 }; | |
169 | #endif | |
024bd3c2 PH |
170 | #ifdef ENVELOPE_AUTH |
171 | static uschar str_envelope_auth_c[]="envelope-auth"; | |
172 | static const struct String str_envelope_auth={ str_envelope_auth_c, 13 }; | |
173 | #endif | |
7c5214ec PH |
174 | #ifdef ENOTIFY |
175 | static uschar str_enotify_c[]="enotify"; | |
176 | static const struct String str_enotify={ str_enotify_c, 7 }; | |
d6a60c0f PH |
177 | static uschar str_online_c[]="online"; |
178 | static const struct String str_online={ str_online_c, 6 }; | |
179 | static uschar str_maybe_c[]="maybe"; | |
180 | static const struct String str_maybe={ str_maybe_c, 5 }; | |
c66441d7 MH |
181 | static uschar str_auto_submitted_c[]="Auto-Submitted"; |
182 | static const struct String str_auto_submitted={ str_auto_submitted_c, 14 }; | |
87fcc8b9 | 183 | #endif |
059ec3d9 PH |
184 | #ifdef SUBADDRESS |
185 | static uschar str_subaddress_c[]="subaddress"; | |
186 | static const struct String str_subaddress={ str_subaddress_c, 10 }; | |
187 | #endif | |
188 | #ifdef VACATION | |
189 | static uschar str_vacation_c[]="vacation"; | |
190 | static const struct String str_vacation={ str_vacation_c, 8 }; | |
191 | static uschar str_subject_c[]="Subject"; | |
192 | static const struct String str_subject={ str_subject_c, 7 }; | |
193 | #endif | |
194 | static uschar str_copy_c[]="copy"; | |
195 | static const struct String str_copy={ str_copy_c, 4 }; | |
196 | static uschar str_iascii_casemap_c[]="i;ascii-casemap"; | |
197 | static const struct String str_iascii_casemap={ str_iascii_casemap_c, 15 }; | |
5ea81592 PH |
198 | static uschar str_enascii_casemap_c[]="en;ascii-casemap"; |
199 | static const struct String str_enascii_casemap={ str_enascii_casemap_c, 16 }; | |
059ec3d9 PH |
200 | static uschar str_ioctet_c[]="i;octet"; |
201 | static const struct String str_ioctet={ str_ioctet_c, 7 }; | |
202 | static uschar str_iascii_numeric_c[]="i;ascii-numeric"; | |
203 | static const struct String str_iascii_numeric={ str_iascii_numeric_c, 15 }; | |
204 | static uschar str_comparator_iascii_casemap_c[]="comparator-i;ascii-casemap"; | |
205 | static const struct String str_comparator_iascii_casemap={ str_comparator_iascii_casemap_c, 26 }; | |
5ea81592 PH |
206 | static uschar str_comparator_enascii_casemap_c[]="comparator-en;ascii-casemap"; |
207 | static const struct String str_comparator_enascii_casemap={ str_comparator_enascii_casemap_c, 27 }; | |
059ec3d9 PH |
208 | static uschar str_comparator_ioctet_c[]="comparator-i;octet"; |
209 | static const struct String str_comparator_ioctet={ str_comparator_ioctet_c, 18 }; | |
210 | static uschar str_comparator_iascii_numeric_c[]="comparator-i;ascii-numeric"; | |
211 | static const struct String str_comparator_iascii_numeric={ str_comparator_iascii_numeric_c, 26 }; | |
212 | ||
213 | ||
214 | /************************************************* | |
215 | * Encode to quoted-printable * | |
216 | *************************************************/ | |
217 | ||
218 | /* | |
219 | Arguments: | |
220 | src UTF-8 string | |
50c99ba6 PH |
221 | dst US-ASCII string |
222 | ||
223 | Returns | |
224 | dst | |
059ec3d9 PH |
225 | */ |
226 | ||
227 | static struct String *quoted_printable_encode(const struct String *src, struct String *dst) | |
228 | { | |
229 | int pass; | |
230 | const uschar *start,*end; | |
231 | uschar *new = NULL; | |
232 | uschar ch; | |
233 | size_t line; | |
234 | ||
235 | for (pass=0; pass<=1; ++pass) | |
236 | { | |
237 | line=0; | |
238 | if (pass==0) | |
239 | dst->length=0; | |
240 | else | |
241 | { | |
242 | dst->character=store_get(dst->length+1); /* plus one for \0 */ | |
243 | new=dst->character; | |
244 | } | |
245 | for (start=src->character,end=start+src->length; start<end; ++start) | |
246 | { | |
247 | ch=*start; | |
248 | if (line>=73) | |
249 | { | |
250 | if (pass==0) | |
251 | dst->length+=2; | |
252 | else | |
253 | { | |
254 | *new++='='; | |
255 | *new++='\n'; | |
256 | } | |
257 | line=0; | |
258 | } | |
259 | if | |
260 | ( | |
261 | (ch>=33 && ch<=60) | |
262 | || (ch>=62 && ch<=126) | |
263 | || | |
264 | ( | |
265 | (ch==9 || ch==32) | |
059ec3d9 PH |
266 | && start+2<end |
267 | && (*(start+1)!='\r' || *(start+2)!='\n') | |
059ec3d9 PH |
268 | ) |
269 | ) | |
270 | { | |
271 | if (pass==0) | |
272 | ++dst->length; | |
273 | else | |
274 | *new++=*start; | |
275 | ++line; | |
276 | } | |
059ec3d9 PH |
277 | else if (ch=='\r' && start+1<end && *(start+1)=='\n') |
278 | { | |
279 | if (pass==0) | |
280 | { | |
281 | ++dst->length; | |
282 | line=0; | |
059ec3d9 PH |
283 | } |
284 | else | |
285 | *new++='\n'; | |
286 | line=0; | |
50c99ba6 | 287 | ++start; |
059ec3d9 | 288 | } |
059ec3d9 PH |
289 | else |
290 | { | |
291 | if (pass==0) | |
292 | dst->length+=3; | |
293 | else | |
294 | { | |
295 | sprintf(CS new,"=%02X",ch); | |
296 | new+=3; | |
297 | } | |
298 | line+=3; | |
299 | } | |
300 | } | |
301 | } | |
302 | *new='\0'; /* not included in length, but nice */ | |
303 | return dst; | |
304 | } | |
305 | ||
306 | ||
7c5214ec PH |
307 | /************************************************* |
308 | * Check mail address for correct syntax * | |
309 | *************************************************/ | |
310 | ||
311 | /* | |
312 | Check mail address for being syntactically correct. | |
313 | ||
314 | Arguments: | |
315 | filter points to the Sieve filter including its state | |
316 | address String containing one address | |
317 | ||
318 | Returns | |
319 | 1 Mail address is syntactically OK | |
320 | -1 syntax error | |
321 | */ | |
322 | ||
323 | int check_mail_address(struct Sieve *filter, const struct String *address) | |
324 | { | |
325 | int start, end, domain; | |
326 | uschar *error,*ss; | |
327 | ||
328 | if (address->length>0) | |
329 | { | |
330 | ss = parse_extract_address(address->character, &error, &start, &end, &domain, | |
331 | FALSE); | |
332 | if (ss == NULL) | |
333 | { | |
334 | filter->errmsg=string_sprintf("malformed address \"%s\" (%s)", | |
335 | address->character, error); | |
336 | return -1; | |
337 | } | |
338 | else | |
339 | return 1; | |
340 | } | |
341 | else | |
342 | { | |
343 | filter->errmsg=CUS "empty address"; | |
344 | return -1; | |
345 | } | |
346 | } | |
347 | ||
348 | ||
50c99ba6 PH |
349 | /************************************************* |
350 | * Decode URI encoded string * | |
351 | *************************************************/ | |
352 | ||
353 | /* | |
354 | Arguments: | |
355 | str URI encoded string | |
356 | ||
357 | Returns | |
358 | 0 Decoding successful | |
359 | -1 Encoding error | |
360 | */ | |
361 | ||
7c5214ec | 362 | #ifdef ENOTIFY |
50c99ba6 PH |
363 | static int uri_decode(struct String *str) |
364 | { | |
365 | uschar *s,*t,*e; | |
366 | ||
367 | if (str->length==0) return 0; | |
368 | for (s=str->character,t=s,e=s+str->length; s<e; ) | |
369 | { | |
370 | if (*s=='%') | |
371 | { | |
372 | if (s+2<e && isxdigit(*(s+1)) && isxdigit(*(s+2))) | |
373 | { | |
374 | *t++=((isdigit(*(s+1)) ? *(s+1)-'0' : tolower(*(s+1))-'a'+10)<<4) | |
375 | | (isdigit(*(s+2)) ? *(s+2)-'0' : tolower(*(s+2))-'a'+10); | |
376 | s+=3; | |
377 | } | |
378 | else return -1; | |
379 | } | |
380 | else | |
381 | *t++=*s++; | |
382 | } | |
383 | *t='\0'; | |
384 | str->length=t-str->character; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | ||
389 | /************************************************* | |
390 | * Parse mailto URI * | |
391 | *************************************************/ | |
392 | ||
393 | /* | |
394 | Parse mailto-URI. | |
395 | ||
396 | mailtoURI = "mailto:" [ to ] [ headers ] | |
397 | to = [ addr-spec *("%2C" addr-spec ) ] | |
398 | headers = "?" header *( "&" header ) | |
399 | header = hname "=" hvalue | |
400 | hname = *urlc | |
401 | hvalue = *urlc | |
402 | ||
403 | Arguments: | |
404 | filter points to the Sieve filter including its state | |
405 | uri URI, excluding scheme | |
7c5214ec PH |
406 | recipient |
407 | body | |
50c99ba6 PH |
408 | |
409 | Returns | |
410 | 1 URI is syntactically OK | |
7c5214ec | 411 | 0 Unknown URI scheme |
50c99ba6 PH |
412 | -1 syntax error |
413 | */ | |
414 | ||
4be39b49 | 415 | static int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *header, struct String *subject, struct String *body) |
50c99ba6 PH |
416 | { |
417 | const uschar *start; | |
418 | struct String to,hname,hvalue; | |
419 | int capacity; | |
420 | string_item *new; | |
421 | ||
7c5214ec PH |
422 | if (Ustrncmp(uri,"mailto:",7)) |
423 | { | |
424 | filter->errmsg=US "Unknown URI scheme"; | |
425 | return 0; | |
426 | } | |
427 | uri+=7; | |
50c99ba6 PH |
428 | if (*uri && *uri!='?') |
429 | for (;;) | |
430 | { | |
431 | /* match to */ | |
432 | for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri); | |
433 | if (uri>start) | |
434 | { | |
435 | capacity=0; | |
436 | to.character=(uschar*)0; | |
437 | to.length=0; | |
438 | to.character=string_cat(to.character,&capacity,&to.length,start,uri-start); | |
439 | to.character[to.length]='\0'; | |
440 | if (uri_decode(&to)==-1) | |
441 | { | |
442 | filter->errmsg=US"Invalid URI encoding"; | |
443 | return -1; | |
444 | } | |
445 | new=store_get(sizeof(string_item)); | |
446 | new->text=store_get(to.length+1); | |
447 | if (to.length) memcpy(new->text,to.character,to.length); | |
448 | new->text[to.length]='\0'; | |
449 | new->next=*recipient; | |
450 | *recipient=new; | |
451 | } | |
452 | else | |
453 | { | |
454 | filter->errmsg=US"Missing addr-spec in URI"; | |
455 | return -1; | |
456 | } | |
457 | if (*uri=='%') uri+=3; | |
458 | else break; | |
459 | } | |
460 | if (*uri=='?') | |
461 | { | |
462 | ++uri; | |
463 | for (;;) | |
464 | { | |
465 | /* match hname */ | |
466 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
467 | if (uri>start) | |
468 | { | |
469 | capacity=0; | |
470 | hname.character=(uschar*)0; | |
471 | hname.length=0; | |
472 | hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start); | |
473 | hname.character[hname.length]='\0'; | |
474 | if (uri_decode(&hname)==-1) | |
475 | { | |
476 | filter->errmsg=US"Invalid URI encoding"; | |
477 | return -1; | |
478 | } | |
479 | } | |
480 | /* match = */ | |
481 | if (*uri=='=') | |
482 | ++uri; | |
483 | else | |
484 | { | |
485 | filter->errmsg=US"Missing equal after hname"; | |
486 | return -1; | |
487 | } | |
488 | /* match hvalue */ | |
489 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
490 | if (uri>start) | |
491 | { | |
492 | capacity=0; | |
493 | hvalue.character=(uschar*)0; | |
494 | hvalue.length=0; | |
495 | hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start); | |
496 | hvalue.character[hvalue.length]='\0'; | |
497 | if (uri_decode(&hvalue)==-1) | |
498 | { | |
499 | filter->errmsg=US"Invalid URI encoding"; | |
500 | return -1; | |
501 | } | |
502 | } | |
7c5214ec | 503 | if (hname.length==2 && strcmpic(hname.character, US"to")==0) |
50c99ba6 PH |
504 | { |
505 | new=store_get(sizeof(string_item)); | |
506 | new->text=store_get(hvalue.length+1); | |
507 | if (hvalue.length) memcpy(new->text,hvalue.character,hvalue.length); | |
508 | new->text[hvalue.length]='\0'; | |
509 | new->next=*recipient; | |
510 | *recipient=new; | |
511 | } | |
7c5214ec | 512 | else if (hname.length==4 && strcmpic(hname.character, US"body")==0) |
50c99ba6 | 513 | *body=hvalue; |
4be39b49 MH |
514 | else if (hname.length==7 && strcmpic(hname.character, US"subject")==0) |
515 | *subject=hvalue; | |
7c5214ec PH |
516 | else |
517 | { | |
518 | static struct String ignore[]= | |
519 | { | |
4be39b49 | 520 | {US"date",4}, |
7c5214ec | 521 | {US"from",4}, |
4be39b49 | 522 | {US"message-id",10}, |
c66441d7 MH |
523 | {US"received",8}, |
524 | {US"auto-submitted",14} | |
7c5214ec PH |
525 | }; |
526 | static struct String *end=ignore+sizeof(ignore)/sizeof(ignore[0]); | |
527 | struct String *i; | |
528 | ||
529 | for (i=ignore; i<end && !eq_asciicase(&hname,i,0); ++i); | |
530 | if (i==end) | |
531 | { | |
532 | if (header->length==-1) header->length=0; | |
533 | capacity=header->length; | |
534 | header->character=string_cat(header->character,&capacity,&header->length,hname.character,hname.length); | |
535 | header->character=string_cat(header->character,&capacity,&header->length,CUS ": ",2); | |
536 | header->character=string_cat(header->character,&capacity,&header->length,hvalue.character,hvalue.length); | |
537 | header->character=string_cat(header->character,&capacity,&header->length,CUS "\n",1); | |
538 | header->character[header->length]='\0'; | |
539 | } | |
540 | } | |
50c99ba6 PH |
541 | if (*uri=='&') ++uri; |
542 | else break; | |
543 | } | |
544 | } | |
545 | if (*uri) | |
546 | { | |
547 | filter->errmsg=US"Syntactically invalid URI"; | |
548 | return -1; | |
549 | } | |
550 | return 1; | |
551 | } | |
7c5214ec PH |
552 | #endif |
553 | ||
50c99ba6 | 554 | |
059ec3d9 PH |
555 | /************************************************* |
556 | * Octet-wise string comparison * | |
557 | *************************************************/ | |
558 | ||
559 | /* | |
560 | Arguments: | |
561 | needle UTF-8 string to search ... | |
562 | haystack ... inside the haystack | |
563 | match_prefix 1 to compare if needle is a prefix of haystack | |
564 | ||
565 | Returns: 0 needle not found in haystack | |
566 | 1 needle found | |
567 | */ | |
568 | ||
569 | static int eq_octet(const struct String *needle, | |
570 | const struct String *haystack, int match_prefix) | |
571 | { | |
572 | size_t nl,hl; | |
573 | const uschar *n,*h; | |
574 | ||
575 | nl=needle->length; | |
576 | n=needle->character; | |
577 | hl=haystack->length; | |
578 | h=haystack->character; | |
579 | while (nl>0 && hl>0) | |
580 | { | |
581 | #if !HAVE_ICONV | |
582 | if (*n&0x80) return 0; | |
583 | if (*h&0x80) return 0; | |
584 | #endif | |
585 | if (*n!=*h) return 0; | |
586 | ++n; | |
587 | ++h; | |
588 | --nl; | |
589 | --hl; | |
590 | } | |
591 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
592 | } | |
593 | ||
594 | ||
595 | /************************************************* | |
596 | * ASCII case-insensitive string comparison * | |
597 | *************************************************/ | |
598 | ||
599 | /* | |
600 | Arguments: | |
601 | needle UTF-8 string to search ... | |
602 | haystack ... inside the haystack | |
603 | match_prefix 1 to compare if needle is a prefix of haystack | |
604 | ||
605 | Returns: 0 needle not found in haystack | |
606 | 1 needle found | |
607 | */ | |
608 | ||
609 | static int eq_asciicase(const struct String *needle, | |
610 | const struct String *haystack, int match_prefix) | |
611 | { | |
612 | size_t nl,hl; | |
613 | const uschar *n,*h; | |
614 | uschar nc,hc; | |
615 | ||
616 | nl=needle->length; | |
617 | n=needle->character; | |
618 | hl=haystack->length; | |
619 | h=haystack->character; | |
620 | while (nl>0 && hl>0) | |
621 | { | |
622 | nc=*n; | |
623 | hc=*h; | |
624 | #if !HAVE_ICONV | |
625 | if (nc&0x80) return 0; | |
626 | if (hc&0x80) return 0; | |
627 | #endif | |
628 | /* tolower depends on the locale and only ASCII case must be insensitive */ | |
1c59d63b | 629 | if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; |
059ec3d9 PH |
630 | ++n; |
631 | ++h; | |
632 | --nl; | |
633 | --hl; | |
634 | } | |
635 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
636 | } | |
637 | ||
638 | ||
639 | /************************************************* | |
1c59d63b | 640 | * Glob pattern search * |
059ec3d9 PH |
641 | *************************************************/ |
642 | ||
643 | /* | |
644 | Arguments: | |
deaf311d MH |
645 | needle pattern to search ... |
646 | haystack ... inside the haystack | |
647 | ascii_caseless ignore ASCII case | |
648 | match_octet match octets, not UTF-8 multi-octet characters | |
059ec3d9 PH |
649 | |
650 | Returns: 0 needle not found in haystack | |
651 | 1 needle found | |
1c59d63b | 652 | -1 pattern error |
059ec3d9 PH |
653 | */ |
654 | ||
1c59d63b | 655 | static int eq_glob(const struct String *needle, |
50c99ba6 | 656 | const struct String *haystack, int ascii_caseless, int match_octet) |
059ec3d9 | 657 | { |
1c59d63b PH |
658 | const uschar *n,*h,*nend,*hend; |
659 | int may_advance=0; | |
059ec3d9 | 660 | |
1c59d63b PH |
661 | n=needle->character; |
662 | h=haystack->character; | |
663 | nend=n+needle->length; | |
664 | hend=h+haystack->length; | |
665 | while (n<nend) | |
059ec3d9 | 666 | { |
1c59d63b PH |
667 | if (*n=='*') |
668 | { | |
669 | ++n; | |
670 | may_advance=1; | |
059ec3d9 | 671 | } |
1c59d63b PH |
672 | else |
673 | { | |
674 | const uschar *npart,*hpart; | |
059ec3d9 | 675 | |
1c59d63b PH |
676 | /* Try to match a non-star part of the needle at the current */ |
677 | /* position in the haystack. */ | |
678 | match_part: | |
679 | npart=n; | |
680 | hpart=h; | |
681 | while (npart<nend && *npart!='*') switch (*npart) | |
682 | { | |
683 | case '?': | |
059ec3d9 | 684 | { |
1c59d63b | 685 | if (hpart==hend) return 0; |
50c99ba6 | 686 | if (match_octet) |
1c59d63b | 687 | ++hpart; |
1c59d63b | 688 | else |
50c99ba6 PH |
689 | { |
690 | /* Match one UTF8 encoded character */ | |
691 | if ((*hpart&0xc0)==0xc0) | |
692 | { | |
693 | ++hpart; | |
694 | while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart; | |
695 | } | |
696 | else | |
697 | ++hpart; | |
698 | } | |
1c59d63b PH |
699 | ++npart; |
700 | break; | |
059ec3d9 | 701 | } |
1c59d63b | 702 | case '\\': |
059ec3d9 | 703 | { |
1c59d63b PH |
704 | ++npart; |
705 | if (npart==nend) return -1; | |
706 | /* FALLTHROUGH */ | |
059ec3d9 | 707 | } |
1c59d63b | 708 | default: |
059ec3d9 | 709 | { |
1c59d63b PH |
710 | if (hpart==hend) return 0; |
711 | /* tolower depends on the locale, but we need ASCII */ | |
712 | if | |
713 | ( | |
714 | #if !HAVE_ICONV | |
715 | (*hpart&0x80) || (*npart&0x80) || | |
716 | #endif | |
717 | ascii_caseless | |
718 | ? ((*npart>='A' && *npart<='Z' ? *npart|0x20 : *npart) != (*hpart>='A' && *hpart<='Z' ? *hpart|0x20 : *hpart)) | |
719 | : *hpart!=*npart | |
720 | ) | |
059ec3d9 | 721 | { |
1c59d63b PH |
722 | if (may_advance) |
723 | /* string match after a star failed, advance and try again */ | |
059ec3d9 | 724 | { |
1c59d63b PH |
725 | ++h; |
726 | goto match_part; | |
059ec3d9 | 727 | } |
1c59d63b | 728 | else return 0; |
059ec3d9 PH |
729 | } |
730 | else | |
731 | { | |
1c59d63b PH |
732 | ++npart; |
733 | ++hpart; | |
734 | }; | |
059ec3d9 | 735 | } |
059ec3d9 | 736 | } |
1c59d63b PH |
737 | /* at this point, a part was matched successfully */ |
738 | if (may_advance && npart==nend && hpart<hend) | |
739 | /* needle ends, but haystack does not: if there was a star before, advance and try again */ | |
059ec3d9 | 740 | { |
1c59d63b PH |
741 | ++h; |
742 | goto match_part; | |
059ec3d9 | 743 | } |
1c59d63b PH |
744 | h=hpart; |
745 | n=npart; | |
746 | may_advance=0; | |
059ec3d9 PH |
747 | } |
748 | } | |
1c59d63b | 749 | return (h==hend ? 1 : may_advance); |
059ec3d9 PH |
750 | } |
751 | ||
752 | ||
753 | /************************************************* | |
754 | * ASCII numeric comparison * | |
755 | *************************************************/ | |
756 | ||
757 | /* | |
758 | Arguments: | |
759 | a first numeric string | |
760 | b second numeric string | |
761 | relop relational operator | |
762 | ||
763 | Returns: 0 not (a relop b) | |
764 | 1 a relop b | |
765 | */ | |
766 | ||
767 | static int eq_asciinumeric(const struct String *a, | |
768 | const struct String *b, enum RelOp relop) | |
769 | { | |
770 | size_t al,bl; | |
771 | const uschar *as,*aend,*bs,*bend; | |
772 | int cmp; | |
773 | ||
774 | as=a->character; | |
775 | aend=a->character+a->length; | |
776 | bs=b->character; | |
777 | bend=b->character+b->length; | |
778 | ||
779 | while (*as>='0' && *as<='9' && as<aend) ++as; | |
780 | al=as-a->character; | |
781 | while (*bs>='0' && *bs<='9' && bs<bend) ++bs; | |
782 | bl=bs-b->character; | |
783 | ||
784 | if (al && bl==0) cmp=-1; | |
785 | else if (al==0 && bl==0) cmp=0; | |
786 | else if (al==0 && bl) cmp=1; | |
787 | else | |
788 | { | |
789 | cmp=al-bl; | |
790 | if (cmp==0) cmp=memcmp(a->character,b->character,al); | |
791 | } | |
792 | switch (relop) | |
793 | { | |
794 | case LT: return cmp<0; | |
795 | case LE: return cmp<=0; | |
796 | case EQ: return cmp==0; | |
797 | case GE: return cmp>=0; | |
798 | case GT: return cmp>0; | |
799 | case NE: return cmp!=0; | |
800 | } | |
801 | /*NOTREACHED*/ | |
802 | return -1; | |
803 | } | |
804 | ||
805 | ||
806 | /************************************************* | |
807 | * Compare strings * | |
808 | *************************************************/ | |
809 | ||
810 | /* | |
811 | Arguments: | |
50c99ba6 | 812 | filter points to the Sieve filter including its state |
059ec3d9 PH |
813 | needle UTF-8 pattern or string to search ... |
814 | haystack ... inside the haystack | |
815 | co comparator to use | |
816 | mt match type to use | |
817 | ||
818 | Returns: 0 needle not found in haystack | |
819 | 1 needle found | |
820 | -1 comparator does not offer matchtype | |
821 | */ | |
822 | ||
823 | static int compare(struct Sieve *filter, const struct String *needle, const struct String *haystack, | |
824 | enum Comparator co, enum MatchType mt) | |
825 | { | |
826 | int r=0; | |
827 | ||
f05da2e8 | 828 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
829 | (debug_selector & D_filter) != 0) |
830 | { | |
831 | debug_printf("String comparison (match "); | |
832 | switch (mt) | |
833 | { | |
834 | case MATCH_IS: debug_printf(":is"); break; | |
835 | case MATCH_CONTAINS: debug_printf(":contains"); break; | |
836 | case MATCH_MATCHES: debug_printf(":matches"); break; | |
837 | } | |
838 | debug_printf(", comparison \""); | |
839 | switch (co) | |
840 | { | |
841 | case COMP_OCTET: debug_printf("i;octet"); break; | |
5ea81592 | 842 | case COMP_EN_ASCII_CASEMAP: debug_printf("en;ascii-casemap"); break; |
059ec3d9 PH |
843 | case COMP_ASCII_NUMERIC: debug_printf("i;ascii-numeric"); break; |
844 | } | |
845 | debug_printf("\"):\n"); | |
846 | debug_printf(" Search = %s (%d chars)\n", needle->character,needle->length); | |
847 | debug_printf(" Inside = %s (%d chars)\n", haystack->character,haystack->length); | |
848 | } | |
849 | switch (mt) | |
850 | { | |
851 | case MATCH_IS: | |
852 | { | |
853 | switch (co) | |
854 | { | |
855 | case COMP_OCTET: | |
856 | { | |
857 | if (eq_octet(needle,haystack,0)) r=1; | |
858 | break; | |
859 | } | |
5ea81592 | 860 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
861 | { |
862 | if (eq_asciicase(needle,haystack,0)) r=1; | |
863 | break; | |
864 | } | |
865 | case COMP_ASCII_NUMERIC: | |
866 | { | |
867 | if (!filter->require_iascii_numeric) | |
868 | { | |
869 | filter->errmsg=CUS "missing previous require \"comparator-i;ascii-numeric\";"; | |
870 | return -1; | |
871 | } | |
872 | if (eq_asciinumeric(needle,haystack,EQ)) r=1; | |
873 | break; | |
874 | } | |
875 | } | |
876 | break; | |
877 | } | |
878 | case MATCH_CONTAINS: | |
879 | { | |
880 | struct String h; | |
881 | ||
882 | switch (co) | |
883 | { | |
884 | case COMP_OCTET: | |
885 | { | |
886 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; } | |
887 | break; | |
888 | } | |
5ea81592 | 889 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
890 | { |
891 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; } | |
892 | break; | |
893 | } | |
894 | default: | |
895 | { | |
896 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
897 | return -1; | |
898 | } | |
899 | } | |
900 | break; | |
901 | } | |
902 | case MATCH_MATCHES: | |
903 | { | |
904 | switch (co) | |
905 | { | |
906 | case COMP_OCTET: | |
907 | { | |
50c99ba6 | 908 | if ((r=eq_glob(needle,haystack,0,1))==-1) |
1c59d63b PH |
909 | { |
910 | filter->errmsg=CUS "syntactically invalid pattern"; | |
911 | return -1; | |
912 | } | |
059ec3d9 PH |
913 | break; |
914 | } | |
5ea81592 | 915 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 | 916 | { |
50c99ba6 | 917 | if ((r=eq_glob(needle,haystack,1,1))==-1) |
1c59d63b PH |
918 | { |
919 | filter->errmsg=CUS "syntactically invalid pattern"; | |
920 | return -1; | |
921 | } | |
059ec3d9 PH |
922 | break; |
923 | } | |
924 | default: | |
925 | { | |
926 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
927 | return -1; | |
928 | } | |
929 | } | |
930 | break; | |
931 | } | |
932 | } | |
f05da2e8 | 933 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
934 | (debug_selector & D_filter) != 0) |
935 | debug_printf(" Result %s\n",r?"true":"false"); | |
936 | return r; | |
937 | } | |
938 | ||
939 | ||
940 | /************************************************* | |
941 | * Check header field syntax * | |
942 | *************************************************/ | |
943 | ||
944 | /* | |
945 | RFC 2822, section 3.6.8 says: | |
946 | ||
947 | field-name = 1*ftext | |
948 | ||
949 | ftext = %d33-57 / ; Any character except | |
950 | %d59-126 ; controls, SP, and | |
951 | ; ":". | |
952 | ||
953 | That forbids 8-bit header fields. This implementation accepts them, since | |
954 | all of Exim is 8-bit clean, so it adds %d128-%d255. | |
955 | ||
956 | Arguments: | |
957 | header header field to quote for suitable use in Exim expansions | |
958 | ||
959 | Returns: 0 string is not a valid header field | |
960 | 1 string is a value header field | |
961 | */ | |
962 | ||
963 | static int is_header(const struct String *header) | |
964 | { | |
965 | size_t l; | |
966 | const uschar *h; | |
967 | ||
968 | l=header->length; | |
969 | h=header->character; | |
970 | if (l==0) return 0; | |
971 | while (l) | |
972 | { | |
973 | if (((unsigned char)*h)<33 || ((unsigned char)*h)==':' || ((unsigned char)*h)==127) return 0; | |
974 | else | |
975 | { | |
976 | ++h; | |
977 | --l; | |
978 | } | |
979 | } | |
980 | return 1; | |
981 | } | |
982 | ||
983 | ||
984 | /************************************************* | |
985 | * Quote special characters string * | |
986 | *************************************************/ | |
987 | ||
988 | /* | |
989 | Arguments: | |
990 | header header field to quote for suitable use in Exim expansions | |
991 | or as debug output | |
992 | ||
993 | Returns: quoted string | |
994 | */ | |
995 | ||
996 | static const uschar *quote(const struct String *header) | |
997 | { | |
998 | uschar *quoted=NULL; | |
999 | int size=0,ptr=0; | |
1000 | size_t l; | |
1001 | const uschar *h; | |
1002 | ||
1003 | l=header->length; | |
1004 | h=header->character; | |
1005 | while (l) | |
1006 | { | |
1007 | switch (*h) | |
1008 | { | |
1009 | case '\0': | |
1010 | { | |
1011 | quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2); | |
1012 | break; | |
1013 | } | |
1014 | case '$': | |
1015 | case '{': | |
1016 | case '}': | |
1017 | { | |
1018 | quoted=string_cat(quoted,&size,&ptr,CUS "\\",1); | |
1019 | } | |
1020 | default: | |
1021 | { | |
1022 | quoted=string_cat(quoted,&size,&ptr,h,1); | |
1023 | } | |
1024 | } | |
1025 | ++h; | |
1026 | --l; | |
1027 | } | |
1028 | quoted=string_cat(quoted,&size,&ptr,CUS "",1); | |
1029 | return quoted; | |
1030 | } | |
1031 | ||
1032 | ||
1033 | /************************************************* | |
1034 | * Add address to list of generated addresses * | |
1035 | *************************************************/ | |
1036 | ||
1037 | /* | |
deaf311d | 1038 | According to RFC 5228, duplicate delivery to the same address must |
059ec3d9 PH |
1039 | not happen, so the list is first searched for the address. |
1040 | ||
1041 | Arguments: | |
1042 | generated list of generated addresses | |
1043 | addr new address to add | |
1044 | file address denotes a file | |
1045 | ||
1046 | Returns: nothing | |
1047 | */ | |
1048 | ||
1049 | static void add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) | |
1050 | { | |
1051 | address_item *new_addr; | |
1052 | ||
1053 | for (new_addr=*generated; new_addr; new_addr=new_addr->next) | |
1054 | { | |
1055 | if (Ustrcmp(new_addr->address,addr)==0 && (file ? testflag(new_addr, af_pfr|af_file) : 1)) | |
1056 | { | |
f05da2e8 | 1057 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
1058 | { |
1059 | debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr); | |
1060 | } | |
1061 | return; | |
1062 | } | |
1063 | } | |
1064 | ||
f05da2e8 | 1065 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
1066 | { |
1067 | debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr); | |
1068 | } | |
1069 | new_addr=deliver_make_addr(addr,TRUE); | |
1070 | if (file) | |
1071 | { | |
1072 | setflag(new_addr, af_pfr|af_file); | |
1073 | new_addr->mode = 0; | |
1074 | } | |
1075 | new_addr->p.errors_address = NULL; | |
1076 | new_addr->next = *generated; | |
1077 | *generated = new_addr; | |
1078 | } | |
1079 | ||
1080 | ||
1081 | /************************************************* | |
1082 | * Return decoded header field * | |
1083 | *************************************************/ | |
1084 | ||
1085 | /* | |
50c99ba6 PH |
1086 | Unfold the header field as described in RFC 2822 and remove all |
1087 | leading and trailing white space, then perform MIME decoding and | |
1088 | translate the header field to UTF-8. | |
1089 | ||
059ec3d9 PH |
1090 | Arguments: |
1091 | value returned value of the field | |
1092 | header name of the header field | |
1093 | ||
1094 | Returns: nothing The expanded string is empty | |
1095 | in case there is no such header | |
1096 | */ | |
1097 | ||
1098 | static void expand_header(struct String *value, const struct String *header) | |
1099 | { | |
1100 | uschar *s,*r,*t; | |
1101 | uschar *errmsg; | |
1102 | ||
1103 | value->length=0; | |
1104 | value->character=(uschar*)0; | |
1105 | ||
1106 | t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header))); | |
50c99ba6 | 1107 | while (*r==' ' || *r=='\t') ++r; |
059ec3d9 PH |
1108 | while (*r) |
1109 | { | |
1110 | if (*r=='\n') | |
059ec3d9 | 1111 | ++r; |
059ec3d9 PH |
1112 | else |
1113 | *t++=*r++; | |
1114 | } | |
50c99ba6 PH |
1115 | while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t; |
1116 | *t='\0'; | |
a0d6ba8a | 1117 | value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg); |
059ec3d9 PH |
1118 | } |
1119 | ||
1120 | ||
1121 | /************************************************* | |
1122 | * Parse remaining hash comment * | |
1123 | *************************************************/ | |
1124 | ||
1125 | /* | |
1126 | Token definition: | |
1127 | Comment up to terminating CRLF | |
1128 | ||
1129 | Arguments: | |
1130 | filter points to the Sieve filter including its state | |
1131 | ||
1132 | Returns: 1 success | |
1133 | -1 syntax error | |
1134 | */ | |
1135 | ||
1136 | static int parse_hashcomment(struct Sieve *filter) | |
1137 | { | |
1138 | ++filter->pc; | |
1139 | while (*filter->pc) | |
1140 | { | |
1141 | #ifdef RFC_EOL | |
1142 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1143 | #else | |
1144 | if (*filter->pc=='\n') | |
1145 | #endif | |
1146 | { | |
1147 | #ifdef RFC_EOL | |
1148 | filter->pc+=2; | |
1149 | #else | |
1150 | ++filter->pc; | |
1151 | #endif | |
1152 | ++filter->line; | |
1153 | return 1; | |
1154 | } | |
1155 | else ++filter->pc; | |
1156 | } | |
1157 | filter->errmsg=CUS "missing end of comment"; | |
1158 | return -1; | |
1159 | } | |
1160 | ||
1161 | ||
1162 | /************************************************* | |
1163 | * Parse remaining C-style comment * | |
1164 | *************************************************/ | |
1165 | ||
1166 | /* | |
1167 | Token definition: | |
1168 | Everything up to star slash | |
1169 | ||
1170 | Arguments: | |
1171 | filter points to the Sieve filter including its state | |
1172 | ||
1173 | Returns: 1 success | |
1174 | -1 syntax error | |
1175 | */ | |
1176 | ||
1177 | static int parse_comment(struct Sieve *filter) | |
1178 | { | |
1179 | filter->pc+=2; | |
1180 | while (*filter->pc) | |
1181 | { | |
1182 | if (*filter->pc=='*' && *(filter->pc+1)=='/') | |
1183 | { | |
1184 | filter->pc+=2; | |
1185 | return 1; | |
1186 | } | |
1187 | else ++filter->pc; | |
1188 | } | |
1189 | filter->errmsg=CUS "missing end of comment"; | |
1190 | return -1; | |
1191 | } | |
1192 | ||
1193 | ||
1194 | /************************************************* | |
1195 | * Parse optional white space * | |
1196 | *************************************************/ | |
1197 | ||
1198 | /* | |
1199 | Token definition: | |
1200 | Spaces, tabs, CRLFs, hash comments or C-style comments | |
1201 | ||
1202 | Arguments: | |
1203 | filter points to the Sieve filter including its state | |
1204 | ||
1205 | Returns: 1 success | |
1206 | -1 syntax error | |
1207 | */ | |
1208 | ||
1209 | static int parse_white(struct Sieve *filter) | |
1210 | { | |
1211 | while (*filter->pc) | |
1212 | { | |
1213 | if (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1214 | #ifdef RFC_EOL | |
1215 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1216 | #else | |
1217 | else if (*filter->pc=='\n') | |
1218 | #endif | |
1219 | { | |
1220 | #ifdef RFC_EOL | |
1221 | filter->pc+=2; | |
1222 | #else | |
1223 | ++filter->pc; | |
1224 | #endif | |
1225 | ++filter->line; | |
1226 | } | |
1227 | else if (*filter->pc=='#') | |
1228 | { | |
1229 | if (parse_hashcomment(filter)==-1) return -1; | |
1230 | } | |
1231 | else if (*filter->pc=='/' && *(filter->pc+1)=='*') | |
1232 | { | |
1233 | if (parse_comment(filter)==-1) return -1; | |
1234 | } | |
1235 | else break; | |
1236 | } | |
1237 | return 1; | |
1238 | } | |
1239 | ||
1240 | ||
a43a27c5 PH |
1241 | #ifdef ENCODED_CHARACTER |
1242 | /************************************************* | |
eb4c0de6 | 1243 | * Decode hex-encoded-character string * |
a43a27c5 PH |
1244 | *************************************************/ |
1245 | ||
1246 | /* | |
1247 | Encoding definition: | |
eb4c0de6 PH |
1248 | blank = SP / TAB / CRLF |
1249 | hex-pair-seq = *blank hex-pair *(1*blank hex-pair) *blank | |
a43a27c5 PH |
1250 | hex-pair = 1*2HEXDIG |
1251 | ||
1252 | Arguments: | |
1253 | src points to a hex-pair-seq | |
1254 | end points to its end | |
1255 | dst points to the destination of the decoded octets, | |
1256 | optionally to (uschar*)0 for checking only | |
1257 | ||
1258 | Returns: >=0 number of decoded octets | |
1259 | -1 syntax error | |
1260 | */ | |
1261 | ||
1262 | static int hex_decode(uschar *src, uschar *end, uschar *dst) | |
1263 | { | |
1264 | int decoded=0; | |
1265 | ||
eb4c0de6 PH |
1266 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1267 | do | |
a43a27c5 | 1268 | { |
eb4c0de6 PH |
1269 | int x,d,n; |
1270 | ||
1271 | for (x=0,d=0; d<2 && src<end && isxdigit(n=tolower(*src)); x=(x<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')),++d,++src); | |
1272 | if (d==0) return -1; | |
1273 | if (dst) *dst++=x; | |
1274 | ++decoded; | |
1275 | if (src==end) return decoded; | |
1276 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1277 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1278 | else | |
1279 | return -1; | |
a43a27c5 | 1280 | } |
eb4c0de6 PH |
1281 | while (src<end); |
1282 | return decoded; | |
a43a27c5 PH |
1283 | } |
1284 | ||
1285 | ||
1286 | /************************************************* | |
eb4c0de6 | 1287 | * Decode unicode-encoded-character string * |
a43a27c5 PH |
1288 | *************************************************/ |
1289 | ||
1290 | /* | |
1291 | Encoding definition: | |
eb4c0de6 PH |
1292 | blank = SP / TAB / CRLF |
1293 | unicode-hex-seq = *blank unicode-hex *(blank unicode-hex) *blank | |
1294 | unicode-hex = 1*HEXDIG | |
a43a27c5 PH |
1295 | |
1296 | It is an error for a script to use a hexadecimal value that isn't in | |
1297 | either the range 0 to D7FF or the range E000 to 10FFFF. | |
1298 | ||
eb4c0de6 PH |
1299 | At this time, strings are already scanned, thus the CRLF is converted |
1300 | to the internally used \n (should RFC_EOL have been used). | |
1301 | ||
a43a27c5 PH |
1302 | Arguments: |
1303 | src points to a unicode-hex-seq | |
1304 | end points to its end | |
1305 | dst points to the destination of the decoded octets, | |
1306 | optionally to (uschar*)0 for checking only | |
1307 | ||
1308 | Returns: >=0 number of decoded octets | |
1309 | -1 syntax error | |
1310 | -2 semantic error (character range violation) | |
1311 | */ | |
1312 | ||
1313 | static int unicode_decode(uschar *src, uschar *end, uschar *dst) | |
1314 | { | |
1315 | int decoded=0; | |
1316 | ||
eb4c0de6 PH |
1317 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1318 | do | |
a43a27c5 | 1319 | { |
eb4c0de6 PH |
1320 | uschar *hex_seq; |
1321 | int c,d,n; | |
1322 | ||
1323 | unicode_hex: | |
1324 | for (hex_seq=src; src<end && *src=='0'; ++src); | |
1325 | for (c=0,d=0; d<7 && src<end && isxdigit(n=tolower(*src)); c=(c<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')),++d,++src); | |
1326 | if (src==hex_seq) return -1; | |
1327 | if (d==7 || (!((c>=0 && c<=0xd7ff) || (c>=0xe000 && c<=0x10ffff)))) return -2; | |
1328 | if (c<128) | |
a43a27c5 | 1329 | { |
eb4c0de6 PH |
1330 | if (dst) *dst++=c; |
1331 | ++decoded; | |
1332 | } | |
1333 | else if (c>=0x80 && c<=0x7ff) | |
1334 | { | |
1335 | if (dst) | |
1336 | { | |
1337 | *dst++=192+(c>>6); | |
1338 | *dst++=128+(c&0x3f); | |
1339 | } | |
1340 | decoded+=2; | |
1341 | } | |
1342 | else if (c>=0x800 && c<=0xffff) | |
1343 | { | |
1344 | if (dst) | |
1345 | { | |
1346 | *dst++=224+(c>>12); | |
1347 | *dst++=128+((c>>6)&0x3f); | |
1348 | *dst++=128+(c&0x3f); | |
1349 | } | |
1350 | decoded+=3; | |
1351 | } | |
1352 | else if (c>=0x10000 && c<=0x1fffff) | |
1353 | { | |
1354 | if (dst) | |
1355 | { | |
1356 | *dst++=240+(c>>18); | |
1357 | *dst++=128+((c>>10)&0x3f); | |
1358 | *dst++=128+((c>>6)&0x3f); | |
1359 | *dst++=128+(c&0x3f); | |
1360 | } | |
1361 | decoded+=4; | |
1362 | } | |
1363 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1364 | { | |
1365 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1366 | if (src==end) return decoded; | |
1367 | goto unicode_hex; | |
a43a27c5 | 1368 | } |
a43a27c5 | 1369 | } |
eb4c0de6 PH |
1370 | while (src<end); |
1371 | return decoded; | |
a43a27c5 PH |
1372 | } |
1373 | ||
1374 | ||
1375 | /************************************************* | |
1376 | * Decode encoded-character string * | |
1377 | *************************************************/ | |
1378 | ||
1379 | /* | |
1380 | Encoding definition: | |
1381 | encoded-arb-octets = "${hex:" hex-pair-seq "}" | |
1382 | encoded-unicode-char = "${unicode:" unicode-hex-seq "}" | |
1383 | ||
1384 | Arguments: | |
1385 | encoded points to an encoded string, returns decoded string | |
1386 | filter points to the Sieve filter including its state | |
1387 | ||
1388 | Returns: 1 success | |
1389 | -1 syntax error | |
1390 | */ | |
1391 | ||
1392 | static int string_decode(struct Sieve *filter, struct String *data) | |
1393 | { | |
1394 | uschar *src,*dst,*end; | |
1395 | ||
1396 | src=data->character; | |
1397 | dst=src; | |
1398 | end=data->character+data->length; | |
1399 | while (src<end) | |
1400 | { | |
1401 | uschar *brace; | |
1402 | ||
1403 | if ( | |
eb4c0de6 | 1404 | strncmpic(src,US "${hex:",6)==0 |
a43a27c5 PH |
1405 | && (brace=Ustrchr(src+6,'}'))!=(uschar*)0 |
1406 | && (hex_decode(src+6,brace,(uschar*)0))>=0 | |
1407 | ) | |
1408 | { | |
1409 | dst+=hex_decode(src+6,brace,dst); | |
1410 | src=brace+1; | |
1411 | } | |
1412 | else if ( | |
eb4c0de6 | 1413 | strncmpic(src,US "${unicode:",10)==0 |
a43a27c5 PH |
1414 | && (brace=Ustrchr(src+10,'}'))!=(uschar*)0 |
1415 | ) | |
1416 | { | |
1417 | switch (unicode_decode(src+10,brace,(uschar*)0)) | |
1418 | { | |
1419 | case -2: | |
1420 | { | |
1421 | filter->errmsg=CUS "unicode character out of range"; | |
1422 | return -1; | |
1423 | } | |
1424 | case -1: | |
1425 | { | |
1426 | *dst++=*src++; | |
1427 | break; | |
1428 | } | |
1429 | default: | |
1430 | { | |
1431 | dst+=unicode_decode(src+10,brace,dst); | |
1432 | src=brace+1; | |
1433 | } | |
1434 | } | |
1435 | } | |
1436 | else *dst++=*src++; | |
1437 | } | |
1438 | data->length=dst-data->character; | |
1439 | *dst='\0'; | |
1440 | return 1; | |
1441 | } | |
1442 | #endif | |
1443 | ||
1444 | ||
059ec3d9 | 1445 | /************************************************* |
a43a27c5 | 1446 | * Parse an optional string * |
059ec3d9 PH |
1447 | *************************************************/ |
1448 | ||
1449 | /* | |
1450 | Token definition: | |
1451 | quoted-string = DQUOTE *CHAR DQUOTE | |
1452 | ;; in general, \ CHAR inside a string maps to CHAR | |
1453 | ;; so \" maps to " and \\ maps to \ | |
1454 | ;; note that newlines and other characters are all allowed | |
1455 | ;; in strings | |
1456 | ||
1457 | multi-line = "text:" *(SP / HTAB) (hash-comment / CRLF) | |
1458 | *(multi-line-literal / multi-line-dotstuff) | |
1459 | "." CRLF | |
1460 | multi-line-literal = [CHAR-NOT-DOT *CHAR-NOT-CRLF] CRLF | |
1461 | multi-line-dotstuff = "." 1*CHAR-NOT-CRLF CRLF | |
1462 | ;; A line containing only "." ends the multi-line. | |
1463 | ;; Remove a leading '.' if followed by another '.'. | |
1464 | string = quoted-string / multi-line | |
1465 | ||
1466 | Arguments: | |
1467 | filter points to the Sieve filter including its state | |
1468 | id specifies identifier to match | |
1469 | ||
1470 | Returns: 1 success | |
1471 | -1 syntax error | |
1472 | 0 identifier not matched | |
1473 | */ | |
1474 | ||
1475 | static int parse_string(struct Sieve *filter, struct String *data) | |
1476 | { | |
1477 | int dataCapacity=0; | |
1478 | ||
1479 | data->length=0; | |
1480 | data->character=(uschar*)0; | |
1481 | if (*filter->pc=='"') /* quoted string */ | |
1482 | { | |
1483 | ++filter->pc; | |
1484 | while (*filter->pc) | |
1485 | { | |
1486 | if (*filter->pc=='"') /* end of string */ | |
1487 | { | |
1488 | int foo=data->length; | |
1489 | ||
1490 | ++filter->pc; | |
50c99ba6 | 1491 | /* that way, there will be at least one character allocated */ |
059ec3d9 | 1492 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); |
a43a27c5 PH |
1493 | #ifdef ENCODED_CHARACTER |
1494 | if (filter->require_encoded_character | |
1495 | && string_decode(filter,data)==-1) | |
1496 | return -1; | |
1497 | #endif | |
059ec3d9 PH |
1498 | return 1; |
1499 | } | |
1500 | else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */ | |
1501 | { | |
4be39b49 | 1502 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1); |
059ec3d9 PH |
1503 | filter->pc+=2; |
1504 | } | |
1505 | else /* regular character */ | |
1506 | { | |
50c99ba6 PH |
1507 | #ifdef RFC_EOL |
1508 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line; | |
1509 | #else | |
1510 | if (*filter->pc=='\n') | |
1511 | { | |
1512 | data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1); | |
1513 | ++filter->line; | |
1514 | } | |
1515 | #endif | |
059ec3d9 PH |
1516 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); |
1517 | filter->pc++; | |
1518 | } | |
1519 | } | |
1520 | filter->errmsg=CUS "missing end of string"; | |
1521 | return -1; | |
1522 | } | |
1523 | else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ | |
1524 | { | |
1525 | filter->pc+=5; | |
1526 | /* skip optional white space followed by hashed comment or CRLF */ | |
1527 | while (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1528 | if (*filter->pc=='#') | |
1529 | { | |
1530 | if (parse_hashcomment(filter)==-1) return -1; | |
1531 | } | |
1532 | #ifdef RFC_EOL | |
1533 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1534 | #else | |
1535 | else if (*filter->pc=='\n') | |
1536 | #endif | |
1537 | { | |
1538 | #ifdef RFC_EOL | |
1539 | filter->pc+=2; | |
1540 | #else | |
1541 | ++filter->pc; | |
1542 | #endif | |
1543 | ++filter->line; | |
1544 | } | |
1545 | else | |
1546 | { | |
1547 | filter->errmsg=CUS "syntax error"; | |
1548 | return -1; | |
1549 | } | |
1550 | while (*filter->pc) | |
1551 | { | |
1552 | #ifdef RFC_EOL | |
1553 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') /* end of line */ | |
1554 | #else | |
1555 | if (*filter->pc=='\n') /* end of line */ | |
1556 | #endif | |
1557 | { | |
1558 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "\r\n",2); | |
1559 | #ifdef RFC_EOL | |
1560 | filter->pc+=2; | |
1561 | #else | |
1562 | ++filter->pc; | |
1563 | #endif | |
1564 | ++filter->line; | |
1565 | #ifdef RFC_EOL | |
1566 | if (*filter->pc=='.' && *(filter->pc+1)=='\r' && *(filter->pc+2)=='\n') /* end of string */ | |
1567 | #else | |
1568 | if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */ | |
1569 | #endif | |
1570 | { | |
50c99ba6 PH |
1571 | int foo=data->length; |
1572 | ||
1573 | /* that way, there will be at least one character allocated */ | |
1574 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); | |
059ec3d9 PH |
1575 | #ifdef RFC_EOL |
1576 | filter->pc+=3; | |
1577 | #else | |
1578 | filter->pc+=2; | |
1579 | #endif | |
1580 | ++filter->line; | |
a43a27c5 PH |
1581 | #ifdef ENCODED_CHARACTER |
1582 | if (filter->require_encoded_character | |
1583 | && string_decode(filter,data)==-1) | |
1584 | return -1; | |
1585 | #endif | |
059ec3d9 PH |
1586 | return 1; |
1587 | } | |
1588 | else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */ | |
1589 | { | |
1590 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS ".",1); | |
1591 | filter->pc+=2; | |
1592 | } | |
1593 | } | |
1594 | else /* regular character */ | |
1595 | { | |
1596 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); | |
1597 | filter->pc++; | |
1598 | } | |
1599 | } | |
1600 | filter->errmsg=CUS "missing end of multi line string"; | |
1601 | return -1; | |
1602 | } | |
1603 | else return 0; | |
1604 | } | |
1605 | ||
1606 | ||
1607 | /************************************************* | |
1608 | * Parse a specific identifier * | |
1609 | *************************************************/ | |
1610 | ||
1611 | /* | |
1612 | Token definition: | |
1613 | identifier = (ALPHA / "_") *(ALPHA DIGIT "_") | |
1614 | ||
1615 | Arguments: | |
1616 | filter points to the Sieve filter including its state | |
1617 | id specifies identifier to match | |
1618 | ||
1619 | Returns: 1 success | |
1620 | 0 identifier not matched | |
1621 | */ | |
1622 | ||
1623 | static int parse_identifier(struct Sieve *filter, const uschar *id) | |
1624 | { | |
1625 | size_t idlen=Ustrlen(id); | |
1626 | ||
eb4c0de6 | 1627 | if (strncmpic(US filter->pc,US id,idlen)==0) |
059ec3d9 PH |
1628 | { |
1629 | uschar next=filter->pc[idlen]; | |
1630 | ||
1631 | if ((next>='A' && next<='Z') || (next>='a' && next<='z') || next=='_' || (next>='0' && next<='9')) return 0; | |
1632 | filter->pc+=idlen; | |
1633 | return 1; | |
1634 | } | |
1635 | else return 0; | |
1636 | } | |
1637 | ||
1638 | ||
1639 | /************************************************* | |
1640 | * Parse a number * | |
1641 | *************************************************/ | |
1642 | ||
1643 | /* | |
1644 | Token definition: | |
1645 | number = 1*DIGIT [QUANTIFIER] | |
1646 | QUANTIFIER = "K" / "M" / "G" | |
1647 | ||
1648 | Arguments: | |
1649 | filter points to the Sieve filter including its state | |
1650 | data returns value | |
1651 | ||
1652 | Returns: 1 success | |
1653 | -1 no string list found | |
1654 | */ | |
1655 | ||
1656 | static int parse_number(struct Sieve *filter, unsigned long *data) | |
1657 | { | |
1658 | unsigned long d,u; | |
1659 | ||
1660 | if (*filter->pc>='0' && *filter->pc<='9') | |
1661 | { | |
1662 | uschar *e; | |
1663 | ||
1664 | errno=0; | |
1665 | d=Ustrtoul(filter->pc,&e,10); | |
1666 | if (errno==ERANGE) | |
1667 | { | |
1668 | filter->errmsg=CUstrerror(ERANGE); | |
1669 | return -1; | |
1670 | } | |
1671 | filter->pc=e; | |
1672 | u=1; | |
1673 | if (*filter->pc=='K') { u=1024; ++filter->pc; } | |
1674 | else if (*filter->pc=='M') { u=1024*1024; ++filter->pc; } | |
1675 | else if (*filter->pc=='G') { u=1024*1024*1024; ++filter->pc; } | |
1676 | if (d>(ULONG_MAX/u)) | |
1677 | { | |
1678 | filter->errmsg=CUstrerror(ERANGE); | |
1679 | return -1; | |
1680 | } | |
1681 | d*=u; | |
1682 | *data=d; | |
1683 | return 1; | |
1684 | } | |
1685 | else | |
1686 | { | |
1687 | filter->errmsg=CUS "missing number"; | |
1688 | return -1; | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | ||
1693 | /************************************************* | |
1694 | * Parse a string list * | |
1695 | *************************************************/ | |
1696 | ||
1697 | /* | |
1698 | Grammar: | |
1699 | string-list = "[" string *("," string) "]" / string | |
1700 | ||
1701 | Arguments: | |
1702 | filter points to the Sieve filter including its state | |
1703 | data returns string list | |
1704 | ||
1705 | Returns: 1 success | |
1706 | -1 no string list found | |
1707 | */ | |
1708 | ||
1709 | static int parse_stringlist(struct Sieve *filter, struct String **data) | |
1710 | { | |
1711 | const uschar *orig=filter->pc; | |
1712 | int dataCapacity=0; | |
1713 | int dataLength=0; | |
1714 | struct String *d=(struct String*)0; | |
1715 | int m; | |
1716 | ||
1717 | if (*filter->pc=='[') /* string list */ | |
1718 | { | |
1719 | ++filter->pc; | |
1720 | for (;;) | |
1721 | { | |
1722 | if (parse_white(filter)==-1) goto error; | |
1723 | if ((dataLength+1)>=dataCapacity) /* increase buffer */ | |
1724 | { | |
1725 | struct String *new; | |
1726 | int newCapacity; /* Don't amalgamate with next line; some compilers grumble */ | |
1727 | newCapacity=dataCapacity?(dataCapacity*=2):(dataCapacity=4); | |
1728 | if ((new=(struct String*)store_get(sizeof(struct String)*newCapacity))==(struct String*)0) | |
1729 | { | |
1730 | filter->errmsg=CUstrerror(errno); | |
1731 | goto error; | |
1732 | } | |
1733 | if (d) memcpy(new,d,sizeof(struct String)*dataLength); | |
1734 | d=new; | |
1735 | dataCapacity=newCapacity; | |
1736 | } | |
1737 | m=parse_string(filter,&d[dataLength]); | |
1738 | if (m==0) | |
1739 | { | |
1740 | if (dataLength==0) break; | |
1741 | else | |
1742 | { | |
1743 | filter->errmsg=CUS "missing string"; | |
1744 | goto error; | |
1745 | } | |
1746 | } | |
1747 | else if (m==-1) goto error; | |
1748 | else ++dataLength; | |
1749 | if (parse_white(filter)==-1) goto error; | |
1750 | if (*filter->pc==',') ++filter->pc; | |
1751 | else break; | |
1752 | } | |
1753 | if (*filter->pc==']') | |
1754 | { | |
1755 | d[dataLength].character=(uschar*)0; | |
1756 | d[dataLength].length=-1; | |
1757 | ++filter->pc; | |
1758 | *data=d; | |
1759 | return 1; | |
1760 | } | |
1761 | else | |
1762 | { | |
1763 | filter->errmsg=CUS "missing closing bracket"; | |
1764 | goto error; | |
1765 | } | |
1766 | } | |
1767 | else /* single string */ | |
1768 | { | |
1769 | if ((d=store_get(sizeof(struct String)*2))==(struct String*)0) | |
1770 | { | |
1771 | return -1; | |
1772 | } | |
1773 | m=parse_string(filter,&d[0]); | |
1774 | if (m==-1) | |
1775 | { | |
1776 | return -1; | |
1777 | } | |
1778 | else if (m==0) | |
1779 | { | |
1780 | filter->pc=orig; | |
1781 | return 0; | |
1782 | } | |
1783 | else | |
1784 | { | |
1785 | d[1].character=(uschar*)0; | |
1786 | d[1].length=-1; | |
1787 | *data=d; | |
1788 | return 1; | |
1789 | } | |
1790 | } | |
1791 | error: | |
1792 | filter->errmsg=CUS "missing string list"; | |
1793 | return -1; | |
1794 | } | |
1795 | ||
1796 | ||
1797 | /************************************************* | |
1798 | * Parse an optional address part specifier * | |
1799 | *************************************************/ | |
1800 | ||
1801 | /* | |
1802 | Grammar: | |
1803 | address-part = ":localpart" / ":domain" / ":all" | |
1804 | address-part =/ ":user" / ":detail" | |
1805 | ||
1806 | Arguments: | |
1807 | filter points to the Sieve filter including its state | |
1808 | a returns address part specified | |
1809 | ||
1810 | Returns: 1 success | |
1811 | 0 no comparator found | |
1812 | -1 syntax error | |
1813 | */ | |
1814 | ||
1815 | static int parse_addresspart(struct Sieve *filter, enum AddressPart *a) | |
1816 | { | |
1817 | #ifdef SUBADDRESS | |
1818 | if (parse_identifier(filter,CUS ":user")==1) | |
1819 | { | |
1820 | if (!filter->require_subaddress) | |
1821 | { | |
1822 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1823 | return -1; | |
1824 | } | |
1825 | *a=ADDRPART_USER; | |
1826 | return 1; | |
1827 | } | |
1828 | else if (parse_identifier(filter,CUS ":detail")==1) | |
1829 | { | |
1830 | if (!filter->require_subaddress) | |
1831 | { | |
1832 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1833 | return -1; | |
1834 | } | |
1835 | *a=ADDRPART_DETAIL; | |
1836 | return 1; | |
1837 | } | |
1838 | else | |
1839 | #endif | |
1840 | if (parse_identifier(filter,CUS ":localpart")==1) | |
1841 | { | |
1842 | *a=ADDRPART_LOCALPART; | |
1843 | return 1; | |
1844 | } | |
1845 | else if (parse_identifier(filter,CUS ":domain")==1) | |
1846 | { | |
1847 | *a=ADDRPART_DOMAIN; | |
1848 | return 1; | |
1849 | } | |
1850 | else if (parse_identifier(filter,CUS ":all")==1) | |
1851 | { | |
1852 | *a=ADDRPART_ALL; | |
1853 | return 1; | |
1854 | } | |
1855 | else return 0; | |
1856 | } | |
1857 | ||
1858 | ||
1859 | /************************************************* | |
1860 | * Parse an optional comparator * | |
1861 | *************************************************/ | |
1862 | ||
1863 | /* | |
1864 | Grammar: | |
1865 | comparator = ":comparator" <comparator-name: string> | |
1866 | ||
1867 | Arguments: | |
1868 | filter points to the Sieve filter including its state | |
1869 | c returns comparator | |
1870 | ||
1871 | Returns: 1 success | |
1872 | 0 no comparator found | |
1873 | -1 incomplete comparator found | |
1874 | */ | |
1875 | ||
1876 | static int parse_comparator(struct Sieve *filter, enum Comparator *c) | |
1877 | { | |
1878 | struct String comparator_name; | |
1879 | ||
1880 | if (parse_identifier(filter,CUS ":comparator")==0) return 0; | |
1881 | if (parse_white(filter)==-1) return -1; | |
1882 | switch (parse_string(filter,&comparator_name)) | |
1883 | { | |
1884 | case -1: return -1; | |
1885 | case 0: | |
1886 | { | |
1887 | filter->errmsg=CUS "missing comparator"; | |
1888 | return -1; | |
1889 | } | |
1890 | default: | |
1891 | { | |
1892 | int match; | |
1893 | ||
1894 | if (eq_asciicase(&comparator_name,&str_ioctet,0)) | |
1895 | { | |
1896 | *c=COMP_OCTET; | |
1897 | match=1; | |
1898 | } | |
1899 | else if (eq_asciicase(&comparator_name,&str_iascii_casemap,0)) | |
1900 | { | |
5ea81592 PH |
1901 | *c=COMP_EN_ASCII_CASEMAP; |
1902 | match=1; | |
1903 | } | |
1904 | else if (eq_asciicase(&comparator_name,&str_enascii_casemap,0)) | |
1905 | { | |
1906 | *c=COMP_EN_ASCII_CASEMAP; | |
059ec3d9 PH |
1907 | match=1; |
1908 | } | |
1909 | else if (eq_asciicase(&comparator_name,&str_iascii_numeric,0)) | |
1910 | { | |
1911 | *c=COMP_ASCII_NUMERIC; | |
1912 | match=1; | |
1913 | } | |
1914 | else | |
1915 | { | |
1916 | filter->errmsg=CUS "invalid comparator"; | |
1917 | match=-1; | |
1918 | } | |
1919 | return match; | |
1920 | } | |
1921 | } | |
1922 | } | |
1923 | ||
1924 | ||
1925 | /************************************************* | |
1926 | * Parse an optional match type * | |
1927 | *************************************************/ | |
1928 | ||
1929 | /* | |
1930 | Grammar: | |
1931 | match-type = ":is" / ":contains" / ":matches" | |
1932 | ||
1933 | Arguments: | |
1934 | filter points to the Sieve filter including its state | |
1935 | m returns match type | |
1936 | ||
1937 | Returns: 1 success | |
1938 | 0 no match type found | |
1939 | */ | |
1940 | ||
1941 | static int parse_matchtype(struct Sieve *filter, enum MatchType *m) | |
1942 | { | |
1943 | if (parse_identifier(filter,CUS ":is")==1) | |
1944 | { | |
1945 | *m=MATCH_IS; | |
1946 | return 1; | |
1947 | } | |
1948 | else if (parse_identifier(filter,CUS ":contains")==1) | |
1949 | { | |
1950 | *m=MATCH_CONTAINS; | |
1951 | return 1; | |
1952 | } | |
1953 | else if (parse_identifier(filter,CUS ":matches")==1) | |
1954 | { | |
1955 | *m=MATCH_MATCHES; | |
1956 | return 1; | |
1957 | } | |
1958 | else return 0; | |
1959 | } | |
1960 | ||
1961 | ||
1962 | /************************************************* | |
1963 | * Parse and interpret an optional test list * | |
1964 | *************************************************/ | |
1965 | ||
1966 | /* | |
1967 | Grammar: | |
1968 | test-list = "(" test *("," test) ")" | |
1969 | ||
1970 | Arguments: | |
1971 | filter points to the Sieve filter including its state | |
1972 | n total number of tests | |
deaf311d | 1973 | num_true number of passed tests |
059ec3d9 PH |
1974 | exec Execute parsed statements |
1975 | ||
1976 | Returns: 1 success | |
1977 | 0 no test list found | |
1978 | -1 syntax or execution error | |
1979 | */ | |
1980 | ||
f7572e5a | 1981 | static int parse_testlist(struct Sieve *filter, int *n, int *num_true, int exec) |
059ec3d9 PH |
1982 | { |
1983 | if (parse_white(filter)==-1) return -1; | |
1984 | if (*filter->pc=='(') | |
1985 | { | |
1986 | ++filter->pc; | |
1987 | *n=0; | |
f7572e5a | 1988 | *num_true=0; |
059ec3d9 PH |
1989 | for (;;) |
1990 | { | |
1991 | int cond; | |
1992 | ||
1993 | switch (parse_test(filter,&cond,exec)) | |
1994 | { | |
1995 | case -1: return -1; | |
1996 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
f7572e5a | 1997 | default: ++*n; if (cond) ++*num_true; break; |
059ec3d9 PH |
1998 | } |
1999 | if (parse_white(filter)==-1) return -1; | |
2000 | if (*filter->pc==',') ++filter->pc; | |
2001 | else break; | |
2002 | } | |
2003 | if (*filter->pc==')') | |
2004 | { | |
2005 | ++filter->pc; | |
2006 | return 1; | |
2007 | } | |
2008 | else | |
2009 | { | |
2010 | filter->errmsg=CUS "missing closing paren"; | |
2011 | return -1; | |
2012 | } | |
2013 | } | |
2014 | else return 0; | |
2015 | } | |
2016 | ||
2017 | ||
2018 | /************************************************* | |
2019 | * Parse and interpret an optional test * | |
2020 | *************************************************/ | |
2021 | ||
2022 | /* | |
2023 | Arguments: | |
2024 | filter points to the Sieve filter including its state | |
2025 | cond returned condition status | |
2026 | exec Execute parsed statements | |
2027 | ||
2028 | Returns: 1 success | |
2029 | 0 no test found | |
2030 | -1 syntax or execution error | |
2031 | */ | |
2032 | ||
2033 | static int parse_test(struct Sieve *filter, int *cond, int exec) | |
2034 | { | |
2035 | if (parse_white(filter)==-1) return -1; | |
2036 | if (parse_identifier(filter,CUS "address")) | |
2037 | { | |
2038 | /* | |
2039 | address-test = "address" { [address-part] [comparator] [match-type] } | |
2040 | <header-list: string-list> <key-list: string-list> | |
2041 | ||
2042 | header-list From, To, Cc, Bcc, Sender, Resent-From, Resent-To | |
2043 | */ | |
2044 | ||
2045 | enum AddressPart addressPart=ADDRPART_ALL; | |
5ea81592 | 2046 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2047 | enum MatchType matchType=MATCH_IS; |
2048 | struct String *hdr,*h,*key,*k; | |
2049 | int m; | |
2050 | int ap=0,co=0,mt=0; | |
2051 | ||
2052 | for (;;) | |
2053 | { | |
2054 | if (parse_white(filter)==-1) return -1; | |
2055 | if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2056 | { | |
2057 | if (m==-1) return -1; | |
2058 | if (ap) | |
2059 | { | |
2060 | filter->errmsg=CUS "address part already specified"; | |
2061 | return -1; | |
2062 | } | |
2063 | else ap=1; | |
2064 | } | |
2065 | else if ((m=parse_comparator(filter,&comparator))!=0) | |
2066 | { | |
2067 | if (m==-1) return -1; | |
2068 | if (co) | |
2069 | { | |
2070 | filter->errmsg=CUS "comparator already specified"; | |
2071 | return -1; | |
2072 | } | |
2073 | else co=1; | |
2074 | } | |
2075 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2076 | { | |
2077 | if (m==-1) return -1; | |
2078 | if (mt) | |
2079 | { | |
2080 | filter->errmsg=CUS "match type already specified"; | |
2081 | return -1; | |
2082 | } | |
2083 | else mt=1; | |
2084 | } | |
2085 | else break; | |
2086 | } | |
2087 | if (parse_white(filter)==-1) return -1; | |
2088 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2089 | { | |
2090 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2091 | return -1; | |
2092 | } | |
2093 | if (parse_white(filter)==-1) return -1; | |
2094 | if ((m=parse_stringlist(filter,&key))!=1) | |
2095 | { | |
2096 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2097 | return -1; | |
2098 | } | |
2099 | *cond=0; | |
2100 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2101 | { | |
2102 | uschar *header_value=(uschar*)0,*extracted_addr,*end_addr; | |
2103 | ||
2104 | if | |
2105 | ( | |
2106 | !eq_asciicase(h,&str_from,0) | |
2107 | && !eq_asciicase(h,&str_to,0) | |
2108 | && !eq_asciicase(h,&str_cc,0) | |
2109 | && !eq_asciicase(h,&str_bcc,0) | |
2110 | && !eq_asciicase(h,&str_sender,0) | |
2111 | && !eq_asciicase(h,&str_resent_from,0) | |
2112 | && !eq_asciicase(h,&str_resent_to,0) | |
2113 | ) | |
2114 | { | |
2115 | filter->errmsg=CUS "invalid header field"; | |
2116 | return -1; | |
2117 | } | |
2118 | if (exec) | |
2119 | { | |
2120 | /* We are only interested in addresses below, so no MIME decoding */ | |
2121 | header_value=expand_string(string_sprintf("$rheader_%s",quote(h))); | |
2122 | if (header_value == NULL) | |
2123 | { | |
2124 | filter->errmsg=CUS "header string expansion failed"; | |
2125 | return -1; | |
2126 | } | |
2127 | parse_allow_group = TRUE; | |
2128 | while (*header_value && !*cond) | |
2129 | { | |
2130 | uschar *error; | |
2131 | int start, end, domain; | |
2132 | int saveend; | |
2133 | uschar *part=NULL; | |
2134 | ||
2135 | end_addr = parse_find_address_end(header_value, FALSE); | |
2136 | saveend = *end_addr; | |
2137 | *end_addr = 0; | |
2138 | extracted_addr = parse_extract_address(header_value, &error, &start, &end, &domain, FALSE); | |
2139 | ||
2140 | if (extracted_addr) switch (addressPart) | |
2141 | { | |
2142 | case ADDRPART_ALL: part=extracted_addr; break; | |
2143 | #ifdef SUBADDRESS | |
2144 | case ADDRPART_USER: | |
2145 | #endif | |
2146 | case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break; | |
2147 | case ADDRPART_DOMAIN: part=extracted_addr+domain; break; | |
2148 | #ifdef SUBADDRESS | |
e4a89c47 | 2149 | case ADDRPART_DETAIL: part=NULL; break; |
059ec3d9 | 2150 | #endif |
059ec3d9 PH |
2151 | } |
2152 | ||
2153 | *end_addr = saveend; | |
2154 | if (part) | |
2155 | { | |
2156 | for (k=key; k->length!=-1; ++k) | |
2157 | { | |
2158 | struct String partStr; | |
2159 | ||
2160 | partStr.character=part; | |
2161 | partStr.length=Ustrlen(part); | |
2162 | if (extracted_addr) | |
2163 | { | |
2164 | *cond=compare(filter,k,&partStr,comparator,matchType); | |
2165 | if (*cond==-1) return -1; | |
2166 | if (*cond) break; | |
2167 | } | |
2168 | } | |
2169 | } | |
2170 | if (saveend == 0) break; | |
2171 | header_value = end_addr + 1; | |
2172 | } | |
1eccaa59 PH |
2173 | parse_allow_group = FALSE; |
2174 | parse_found_group = FALSE; | |
059ec3d9 PH |
2175 | } |
2176 | } | |
2177 | return 1; | |
2178 | } | |
2179 | else if (parse_identifier(filter,CUS "allof")) | |
2180 | { | |
2181 | /* | |
2182 | allof-test = "allof" <tests: test-list> | |
2183 | */ | |
2184 | ||
f7572e5a | 2185 | int n,num_true; |
059ec3d9 | 2186 | |
f7572e5a | 2187 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2188 | { |
2189 | case -1: return -1; | |
2190 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2191 | default: *cond=(n==num_true); return 1; |
059ec3d9 PH |
2192 | } |
2193 | } | |
2194 | else if (parse_identifier(filter,CUS "anyof")) | |
2195 | { | |
2196 | /* | |
2197 | anyof-test = "anyof" <tests: test-list> | |
2198 | */ | |
2199 | ||
f7572e5a | 2200 | int n,num_true; |
059ec3d9 | 2201 | |
f7572e5a | 2202 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2203 | { |
2204 | case -1: return -1; | |
2205 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2206 | default: *cond=(num_true>0); return 1; |
059ec3d9 PH |
2207 | } |
2208 | } | |
2209 | else if (parse_identifier(filter,CUS "exists")) | |
2210 | { | |
2211 | /* | |
2212 | exists-test = "exists" <header-names: string-list> | |
2213 | */ | |
2214 | ||
2215 | struct String *hdr,*h; | |
2216 | int m; | |
2217 | ||
2218 | if (parse_white(filter)==-1) return -1; | |
2219 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2220 | { | |
2221 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2222 | return -1; | |
2223 | } | |
2224 | if (exec) | |
2225 | { | |
2226 | *cond=1; | |
2227 | for (h=hdr; h->length!=-1 && *cond; ++h) | |
2228 | { | |
2229 | uschar *header_def; | |
2230 | ||
2231 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2232 | if (header_def == NULL) | |
2233 | { | |
2234 | filter->errmsg=CUS "header string expansion failed"; | |
2235 | return -1; | |
2236 | } | |
2237 | if (Ustrcmp(header_def,"false")==0) *cond=0; | |
2238 | } | |
2239 | } | |
2240 | return 1; | |
2241 | } | |
2242 | else if (parse_identifier(filter,CUS "false")) | |
2243 | { | |
2244 | /* | |
2245 | false-test = "false" | |
2246 | */ | |
2247 | ||
2248 | *cond=0; | |
2249 | return 1; | |
2250 | } | |
2251 | else if (parse_identifier(filter,CUS "header")) | |
2252 | { | |
2253 | /* | |
2254 | header-test = "header" { [comparator] [match-type] } | |
2255 | <header-names: string-list> <key-list: string-list> | |
2256 | */ | |
2257 | ||
5ea81592 | 2258 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2259 | enum MatchType matchType=MATCH_IS; |
2260 | struct String *hdr,*h,*key,*k; | |
2261 | int m; | |
2262 | int co=0,mt=0; | |
2263 | ||
2264 | for (;;) | |
2265 | { | |
2266 | if (parse_white(filter)==-1) return -1; | |
2267 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2268 | { | |
2269 | if (m==-1) return -1; | |
2270 | if (co) | |
2271 | { | |
2272 | filter->errmsg=CUS "comparator already specified"; | |
2273 | return -1; | |
2274 | } | |
2275 | else co=1; | |
2276 | } | |
2277 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2278 | { | |
2279 | if (m==-1) return -1; | |
2280 | if (mt) | |
2281 | { | |
2282 | filter->errmsg=CUS "match type already specified"; | |
2283 | return -1; | |
2284 | } | |
2285 | else mt=1; | |
2286 | } | |
2287 | else break; | |
2288 | } | |
2289 | if (parse_white(filter)==-1) return -1; | |
2290 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2291 | { | |
2292 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2293 | return -1; | |
2294 | } | |
2295 | if (parse_white(filter)==-1) return -1; | |
2296 | if ((m=parse_stringlist(filter,&key))!=1) | |
2297 | { | |
2298 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2299 | return -1; | |
2300 | } | |
2301 | *cond=0; | |
2302 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2303 | { | |
2304 | if (!is_header(h)) | |
2305 | { | |
2306 | filter->errmsg=CUS "invalid header field"; | |
2307 | return -1; | |
2308 | } | |
2309 | if (exec) | |
2310 | { | |
2311 | struct String header_value; | |
2312 | uschar *header_def; | |
2313 | ||
2314 | expand_header(&header_value,h); | |
2315 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2316 | if (header_value.character == NULL || header_def == NULL) | |
2317 | { | |
2318 | filter->errmsg=CUS "header string expansion failed"; | |
2319 | return -1; | |
2320 | } | |
2321 | for (k=key; k->length!=-1; ++k) | |
2322 | { | |
2323 | if (Ustrcmp(header_def,"true")==0) | |
2324 | { | |
2325 | *cond=compare(filter,k,&header_value,comparator,matchType); | |
2326 | if (*cond==-1) return -1; | |
2327 | if (*cond) break; | |
2328 | } | |
2329 | } | |
2330 | } | |
2331 | } | |
2332 | return 1; | |
2333 | } | |
2334 | else if (parse_identifier(filter,CUS "not")) | |
2335 | { | |
2336 | if (parse_white(filter)==-1) return -1; | |
2337 | switch (parse_test(filter,cond,exec)) | |
2338 | { | |
2339 | case -1: return -1; | |
2340 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
2341 | default: *cond=!*cond; return 1; | |
2342 | } | |
2343 | } | |
2344 | else if (parse_identifier(filter,CUS "size")) | |
2345 | { | |
2346 | /* | |
2347 | relop = ":over" / ":under" | |
2348 | size-test = "size" relop <limit: number> | |
2349 | */ | |
2350 | ||
2351 | unsigned long limit; | |
2352 | int overNotUnder; | |
2353 | ||
2354 | if (parse_white(filter)==-1) return -1; | |
2355 | if (parse_identifier(filter,CUS ":over")) overNotUnder=1; | |
2356 | else if (parse_identifier(filter,CUS ":under")) overNotUnder=0; | |
2357 | else | |
2358 | { | |
2359 | filter->errmsg=CUS "missing :over or :under"; | |
2360 | return -1; | |
2361 | } | |
2362 | if (parse_white(filter)==-1) return -1; | |
2363 | if (parse_number(filter,&limit)==-1) return -1; | |
2364 | *cond=(overNotUnder ? (message_size>limit) : (message_size<limit)); | |
2365 | return 1; | |
2366 | } | |
2367 | else if (parse_identifier(filter,CUS "true")) | |
2368 | { | |
2369 | *cond=1; | |
2370 | return 1; | |
2371 | } | |
2372 | else if (parse_identifier(filter,CUS "envelope")) | |
2373 | { | |
2374 | /* | |
2375 | envelope-test = "envelope" { [comparator] [address-part] [match-type] } | |
2376 | <envelope-part: string-list> <key-list: string-list> | |
2377 | ||
2378 | envelope-part is case insensitive "from" or "to" | |
024bd3c2 PH |
2379 | #ifdef ENVELOPE_AUTH |
2380 | envelope-part =/ "auth" | |
2381 | #endif | |
059ec3d9 PH |
2382 | */ |
2383 | ||
5ea81592 | 2384 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2385 | enum AddressPart addressPart=ADDRPART_ALL; |
2386 | enum MatchType matchType=MATCH_IS; | |
2387 | struct String *env,*e,*key,*k; | |
2388 | int m; | |
2389 | int co=0,ap=0,mt=0; | |
2390 | ||
2391 | if (!filter->require_envelope) | |
2392 | { | |
2393 | filter->errmsg=CUS "missing previous require \"envelope\";"; | |
2394 | return -1; | |
2395 | } | |
2396 | for (;;) | |
2397 | { | |
2398 | if (parse_white(filter)==-1) return -1; | |
2399 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2400 | { | |
2401 | if (m==-1) return -1; | |
2402 | if (co) | |
2403 | { | |
2404 | filter->errmsg=CUS "comparator already specified"; | |
2405 | return -1; | |
2406 | } | |
2407 | else co=1; | |
2408 | } | |
2409 | else if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2410 | { | |
2411 | if (m==-1) return -1; | |
2412 | if (ap) | |
2413 | { | |
2414 | filter->errmsg=CUS "address part already specified"; | |
2415 | return -1; | |
2416 | } | |
2417 | else ap=1; | |
2418 | } | |
2419 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2420 | { | |
2421 | if (m==-1) return -1; | |
2422 | if (mt) | |
2423 | { | |
2424 | filter->errmsg=CUS "match type already specified"; | |
2425 | return -1; | |
2426 | } | |
2427 | else mt=1; | |
2428 | } | |
2429 | else break; | |
2430 | } | |
2431 | if (parse_white(filter)==-1) return -1; | |
2432 | if ((m=parse_stringlist(filter,&env))!=1) | |
2433 | { | |
2434 | if (m==0) filter->errmsg=CUS "envelope string list expected"; | |
2435 | return -1; | |
2436 | } | |
2437 | if (parse_white(filter)==-1) return -1; | |
2438 | if ((m=parse_stringlist(filter,&key))!=1) | |
2439 | { | |
2440 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2441 | return -1; | |
2442 | } | |
2443 | *cond=0; | |
87fcc8b9 | 2444 | for (e=env; e->length!=-1 && !*cond; ++e) |
059ec3d9 PH |
2445 | { |
2446 | const uschar *envelopeExpr=CUS 0; | |
2447 | uschar *envelope=US 0; | |
2448 | ||
2449 | if (eq_asciicase(e,&str_from,0)) | |
2450 | { | |
2451 | switch (addressPart) | |
2452 | { | |
2453 | case ADDRPART_ALL: envelopeExpr=CUS "$sender_address"; break; | |
2454 | #ifdef SUBADDRESS | |
2455 | case ADDRPART_USER: | |
2456 | #endif | |
2457 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break; | |
2458 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break; | |
2459 | #ifdef SUBADDRESS | |
e4a89c47 | 2460 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; |
059ec3d9 PH |
2461 | #endif |
2462 | } | |
2463 | } | |
2464 | else if (eq_asciicase(e,&str_to,0)) | |
2465 | { | |
2466 | switch (addressPart) | |
2467 | { | |
2468 | case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break; | |
2469 | #ifdef SUBADDRESS | |
e4a89c47 PH |
2470 | case ADDRPART_USER: envelopeExpr=filter->useraddress; break; |
2471 | case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break; | |
059ec3d9 PH |
2472 | #endif |
2473 | case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break; | |
2474 | case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break; | |
2475 | } | |
2476 | } | |
024bd3c2 PH |
2477 | #ifdef ENVELOPE_AUTH |
2478 | else if (eq_asciicase(e,&str_auth,0)) | |
2479 | { | |
2480 | switch (addressPart) | |
2481 | { | |
2482 | case ADDRPART_ALL: envelopeExpr=CUS "$authenticated_sender"; break; | |
2483 | #ifdef SUBADDRESS | |
2484 | case ADDRPART_USER: | |
2485 | #endif | |
2486 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$authenticated_sender}"; break; | |
2487 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$authenticated_sender}"; break; | |
2488 | #ifdef SUBADDRESS | |
2489 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; | |
2490 | #endif | |
2491 | } | |
2492 | } | |
2493 | #endif | |
059ec3d9 PH |
2494 | else |
2495 | { | |
2496 | filter->errmsg=CUS "invalid envelope string"; | |
2497 | return -1; | |
2498 | } | |
2499 | if (exec && envelopeExpr) | |
2500 | { | |
2501 | if ((envelope=expand_string(US envelopeExpr)) == NULL) | |
2502 | { | |
2503 | filter->errmsg=CUS "header string expansion failed"; | |
2504 | return -1; | |
2505 | } | |
2506 | for (k=key; k->length!=-1; ++k) | |
2507 | { | |
2508 | struct String envelopeStr; | |
2509 | ||
2510 | envelopeStr.character=envelope; | |
2511 | envelopeStr.length=Ustrlen(envelope); | |
7fe1560f | 2512 | *cond=compare(filter,k,&envelopeStr,comparator,matchType); |
059ec3d9 PH |
2513 | if (*cond==-1) return -1; |
2514 | if (*cond) break; | |
2515 | } | |
2516 | } | |
2517 | } | |
2518 | return 1; | |
2519 | } | |
7c5214ec | 2520 | #ifdef ENOTIFY |
d6a60c0f | 2521 | else if (parse_identifier(filter,CUS "valid_notify_method")) |
7c5214ec PH |
2522 | { |
2523 | /* | |
d6a60c0f PH |
2524 | valid_notify_method = "valid_notify_method" |
2525 | <notification-uris: string-list> | |
7c5214ec PH |
2526 | */ |
2527 | ||
2528 | struct String *uris,*u; | |
2529 | int m; | |
2530 | ||
2531 | if (!filter->require_enotify) | |
2532 | { | |
2533 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2534 | return -1; | |
2535 | } | |
2536 | if (parse_white(filter)==-1) return -1; | |
2537 | if ((m=parse_stringlist(filter,&uris))!=1) | |
2538 | { | |
2539 | if (m==0) filter->errmsg=CUS "URI string list expected"; | |
2540 | return -1; | |
2541 | } | |
2542 | if (exec) | |
2543 | { | |
2544 | *cond=1; | |
2545 | for (u=uris; u->length!=-1 && *cond; ++u) | |
2546 | { | |
2547 | string_item *recipient; | |
4be39b49 | 2548 | struct String header,subject,body; |
7c5214ec PH |
2549 | |
2550 | recipient=NULL; | |
2551 | header.length=-1; | |
2552 | header.character=(uschar*)0; | |
4be39b49 MH |
2553 | subject.length=-1; |
2554 | subject.character=(uschar*)0; | |
7c5214ec PH |
2555 | body.length=-1; |
2556 | body.character=(uschar*)0; | |
4be39b49 | 2557 | if (parse_mailto_uri(filter,u->character,&recipient,&header,&subject,&body)!=1) |
7c5214ec PH |
2558 | *cond=0; |
2559 | } | |
2560 | } | |
2561 | return 1; | |
2562 | } | |
d6a60c0f PH |
2563 | else if (parse_identifier(filter,CUS "notify_method_capability")) |
2564 | { | |
2565 | /* | |
2566 | notify_method_capability = "notify_method_capability" [COMPARATOR] [MATCH-TYPE] | |
2567 | <notification-uri: string> | |
2568 | <notification-capability: string> | |
2569 | <key-list: string-list> | |
2570 | */ | |
2571 | ||
2572 | int m; | |
2573 | int co=0,mt=0; | |
2574 | ||
2575 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; | |
2576 | enum MatchType matchType=MATCH_IS; | |
2577 | struct String uri,capa,*keys,*k; | |
2578 | ||
2579 | if (!filter->require_enotify) | |
2580 | { | |
2581 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2582 | return -1; | |
2583 | } | |
2584 | for (;;) | |
2585 | { | |
2586 | if (parse_white(filter)==-1) return -1; | |
2587 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2588 | { | |
2589 | if (m==-1) return -1; | |
2590 | if (co) | |
2591 | { | |
2592 | filter->errmsg=CUS "comparator already specified"; | |
2593 | return -1; | |
2594 | } | |
2595 | else co=1; | |
2596 | } | |
2597 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2598 | { | |
2599 | if (m==-1) return -1; | |
2600 | if (mt) | |
2601 | { | |
2602 | filter->errmsg=CUS "match type already specified"; | |
2603 | return -1; | |
2604 | } | |
2605 | else mt=1; | |
2606 | } | |
2607 | else break; | |
2608 | } | |
2609 | if ((m=parse_string(filter,&uri))!=1) | |
2610 | { | |
2611 | if (m==0) filter->errmsg=CUS "missing notification URI string"; | |
2612 | return -1; | |
2613 | } | |
2614 | if (parse_white(filter)==-1) return -1; | |
2615 | if ((m=parse_string(filter,&capa))!=1) | |
2616 | { | |
2617 | if (m==0) filter->errmsg=CUS "missing notification capability string"; | |
2618 | return -1; | |
2619 | } | |
2620 | if (parse_white(filter)==-1) return -1; | |
2621 | if ((m=parse_stringlist(filter,&keys))!=1) | |
2622 | { | |
2623 | if (m==0) filter->errmsg=CUS "missing key string list"; | |
2624 | return -1; | |
2625 | } | |
2626 | if (exec) | |
2627 | { | |
2628 | string_item *recipient; | |
4be39b49 | 2629 | struct String header,subject,body; |
d6a60c0f PH |
2630 | |
2631 | *cond=0; | |
2632 | recipient=NULL; | |
2633 | header.length=-1; | |
2634 | header.character=(uschar*)0; | |
4be39b49 MH |
2635 | subject.length=-1; |
2636 | subject.character=(uschar*)0; | |
d6a60c0f PH |
2637 | body.length=-1; |
2638 | body.character=(uschar*)0; | |
4be39b49 | 2639 | if (parse_mailto_uri(filter,uri.character,&recipient,&header,&subject,&body)==1) |
d6a60c0f PH |
2640 | { |
2641 | if (eq_asciicase(&capa,&str_online,0)==1) | |
2642 | for (k=keys; k->length!=-1; ++k) | |
2643 | { | |
2644 | *cond=compare(filter,k,&str_maybe,comparator,matchType); | |
2645 | if (*cond==-1) return -1; | |
2646 | if (*cond) break; | |
2647 | } | |
2648 | } | |
2649 | } | |
2650 | return 1; | |
2651 | } | |
7c5214ec | 2652 | #endif |
059ec3d9 PH |
2653 | else return 0; |
2654 | } | |
2655 | ||
2656 | ||
2657 | /************************************************* | |
2658 | * Parse and interpret an optional block * | |
2659 | *************************************************/ | |
2660 | ||
2661 | /* | |
2662 | Arguments: | |
2663 | filter points to the Sieve filter including its state | |
2664 | exec Execute parsed statements | |
2665 | generated where to hang newly-generated addresses | |
2666 | ||
2667 | Returns: 2 success by stop | |
2668 | 1 other success | |
2669 | 0 no block command found | |
2670 | -1 syntax or execution error | |
2671 | */ | |
2672 | ||
2673 | static int parse_block(struct Sieve *filter, int exec, | |
2674 | address_item **generated) | |
2675 | { | |
2676 | int r; | |
2677 | ||
2678 | if (parse_white(filter)==-1) return -1; | |
2679 | if (*filter->pc=='{') | |
2680 | { | |
2681 | ++filter->pc; | |
2682 | if ((r=parse_commands(filter,exec,generated))==-1 || r==2) return r; | |
2683 | if (*filter->pc=='}') | |
2684 | { | |
2685 | ++filter->pc; | |
2686 | return 1; | |
2687 | } | |
2688 | else | |
2689 | { | |
8e669ac1 | 2690 | filter->errmsg=CUS "expecting command or closing brace"; |
059ec3d9 PH |
2691 | return -1; |
2692 | } | |
2693 | } | |
2694 | else return 0; | |
2695 | } | |
2696 | ||
2697 | ||
2698 | /************************************************* | |
2699 | * Match a semicolon * | |
2700 | *************************************************/ | |
2701 | ||
2702 | /* | |
2703 | Arguments: | |
2704 | filter points to the Sieve filter including its state | |
2705 | ||
2706 | Returns: 1 success | |
2707 | -1 syntax error | |
2708 | */ | |
2709 | ||
2710 | static int parse_semicolon(struct Sieve *filter) | |
2711 | { | |
2712 | if (parse_white(filter)==-1) return -1; | |
2713 | if (*filter->pc==';') | |
2714 | { | |
2715 | ++filter->pc; | |
2716 | return 1; | |
2717 | } | |
2718 | else | |
2719 | { | |
2720 | filter->errmsg=CUS "missing semicolon"; | |
2721 | return -1; | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | ||
2726 | /************************************************* | |
2727 | * Parse and interpret a Sieve command * | |
2728 | *************************************************/ | |
2729 | ||
2730 | /* | |
2731 | Arguments: | |
2732 | filter points to the Sieve filter including its state | |
2733 | exec Execute parsed statements | |
2734 | generated where to hang newly-generated addresses | |
2735 | ||
2736 | Returns: 2 success by stop | |
2737 | 1 other success | |
2738 | -1 syntax or execution error | |
2739 | */ | |
2740 | static int parse_commands(struct Sieve *filter, int exec, | |
2741 | address_item **generated) | |
2742 | { | |
2743 | while (*filter->pc) | |
2744 | { | |
2745 | if (parse_white(filter)==-1) return -1; | |
2746 | if (parse_identifier(filter,CUS "if")) | |
2747 | { | |
2748 | /* | |
2749 | if-command = "if" test block *( "elsif" test block ) [ else block ] | |
2750 | */ | |
2751 | ||
2752 | int cond,m,unsuccessful; | |
2753 | ||
2754 | /* test block */ | |
2755 | if (parse_white(filter)==-1) return -1; | |
2756 | if ((m=parse_test(filter,&cond,exec))==-1) return -1; | |
2757 | if (m==0) | |
2758 | { | |
2759 | filter->errmsg=CUS "missing test"; | |
2760 | return -1; | |
2761 | } | |
87fcc8b9 PH |
2762 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2763 | (debug_selector & D_filter) != 0) | |
2764 | { | |
2765 | if (exec) debug_printf("if %s\n",cond?"true":"false"); | |
2766 | } | |
059ec3d9 PH |
2767 | m=parse_block(filter,exec ? cond : 0, generated); |
2768 | if (m==-1 || m==2) return m; | |
2769 | if (m==0) | |
2770 | { | |
2771 | filter->errmsg=CUS "missing block"; | |
2772 | return -1; | |
2773 | } | |
2774 | unsuccessful = !cond; | |
2775 | for (;;) /* elsif test block */ | |
2776 | { | |
2777 | if (parse_white(filter)==-1) return -1; | |
2778 | if (parse_identifier(filter,CUS "elsif")) | |
2779 | { | |
2780 | if (parse_white(filter)==-1) return -1; | |
2781 | m=parse_test(filter,&cond,exec && unsuccessful); | |
2782 | if (m==-1 || m==2) return m; | |
2783 | if (m==0) | |
2784 | { | |
2785 | filter->errmsg=CUS "missing test"; | |
2786 | return -1; | |
2787 | } | |
87fcc8b9 PH |
2788 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2789 | (debug_selector & D_filter) != 0) | |
2790 | { | |
2791 | if (exec) debug_printf("elsif %s\n",cond?"true":"false"); | |
2792 | } | |
059ec3d9 PH |
2793 | m=parse_block(filter,exec && unsuccessful ? cond : 0, generated); |
2794 | if (m==-1 || m==2) return m; | |
2795 | if (m==0) | |
2796 | { | |
2797 | filter->errmsg=CUS "missing block"; | |
2798 | return -1; | |
2799 | } | |
2800 | if (exec && unsuccessful && cond) unsuccessful = 0; | |
2801 | } | |
2802 | else break; | |
2803 | } | |
2804 | /* else block */ | |
2805 | if (parse_white(filter)==-1) return -1; | |
2806 | if (parse_identifier(filter,CUS "else")) | |
2807 | { | |
2808 | m=parse_block(filter,exec && unsuccessful, generated); | |
2809 | if (m==-1 || m==2) return m; | |
2810 | if (m==0) | |
2811 | { | |
2812 | filter->errmsg=CUS "missing block"; | |
2813 | return -1; | |
2814 | } | |
2815 | } | |
2816 | } | |
2817 | else if (parse_identifier(filter,CUS "stop")) | |
2818 | { | |
2819 | /* | |
2820 | stop-command = "stop" { stop-options } ";" | |
2821 | stop-options = | |
2822 | */ | |
2823 | ||
2824 | if (parse_semicolon(filter)==-1) return -1; | |
2825 | if (exec) | |
2826 | { | |
2827 | filter->pc+=Ustrlen(filter->pc); | |
2828 | return 2; | |
2829 | } | |
2830 | } | |
2831 | else if (parse_identifier(filter,CUS "keep")) | |
2832 | { | |
2833 | /* | |
2834 | keep-command = "keep" { keep-options } ";" | |
2835 | keep-options = | |
2836 | */ | |
2837 | ||
2838 | if (parse_semicolon(filter)==-1) return -1; | |
2839 | if (exec) | |
2840 | { | |
2841 | add_addr(generated,US"inbox",1,0,0,0); | |
2842 | filter->keep = 0; | |
2843 | } | |
2844 | } | |
2845 | else if (parse_identifier(filter,CUS "discard")) | |
2846 | { | |
2847 | /* | |
2848 | discard-command = "discard" { discard-options } ";" | |
2849 | discard-options = | |
2850 | */ | |
2851 | ||
2852 | if (parse_semicolon(filter)==-1) return -1; | |
2853 | if (exec) filter->keep=0; | |
2854 | } | |
2855 | else if (parse_identifier(filter,CUS "redirect")) | |
2856 | { | |
2857 | /* | |
2858 | redirect-command = "redirect" redirect-options "string" ";" | |
2859 | redirect-options = | |
2860 | redirect-options =) ":copy" | |
2861 | */ | |
2862 | ||
2863 | struct String recipient; | |
2864 | int m; | |
2865 | int copy=0; | |
2866 | ||
2867 | for (;;) | |
2868 | { | |
2869 | if (parse_white(filter)==-1) return -1; | |
2870 | if (parse_identifier(filter,CUS ":copy")==1) | |
2871 | { | |
2872 | if (!filter->require_copy) | |
2873 | { | |
2874 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2875 | return -1; | |
2876 | } | |
2877 | copy=1; | |
2878 | } | |
2879 | else break; | |
2880 | } | |
2881 | if (parse_white(filter)==-1) return -1; | |
2882 | if ((m=parse_string(filter,&recipient))!=1) | |
2883 | { | |
2884 | if (m==0) filter->errmsg=CUS "missing redirect recipient string"; | |
2885 | return -1; | |
2886 | } | |
2887 | if (strchr(CCS recipient.character,'@')==(char*)0) | |
2888 | { | |
2889 | filter->errmsg=CUS "unqualified recipient address"; | |
2890 | return -1; | |
2891 | } | |
2892 | if (exec) | |
2893 | { | |
2894 | add_addr(generated,recipient.character,0,0,0,0); | |
2895 | if (!copy) filter->keep = 0; | |
2896 | } | |
2897 | if (parse_semicolon(filter)==-1) return -1; | |
2898 | } | |
2899 | else if (parse_identifier(filter,CUS "fileinto")) | |
2900 | { | |
2901 | /* | |
2902 | fileinto-command = "fileinto" { fileinto-options } string ";" | |
2903 | fileinto-options = | |
2904 | fileinto-options =) [ ":copy" ] | |
87fcc8b9 | 2905 | */ |
059ec3d9 PH |
2906 | |
2907 | struct String folder; | |
2908 | uschar *s; | |
2909 | int m; | |
2910 | unsigned long maxage, maxmessages, maxstorage; | |
2911 | int copy=0; | |
2912 | ||
2913 | maxage = maxmessages = maxstorage = 0; | |
2914 | if (!filter->require_fileinto) | |
2915 | { | |
2916 | filter->errmsg=CUS "missing previous require \"fileinto\";"; | |
2917 | return -1; | |
2918 | } | |
2919 | for (;;) | |
2920 | { | |
2921 | if (parse_white(filter)==-1) return -1; | |
2922 | if (parse_identifier(filter,CUS ":copy")==1) | |
2923 | { | |
2924 | if (!filter->require_copy) | |
2925 | { | |
2926 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2927 | return -1; | |
2928 | } | |
2929 | copy=1; | |
2930 | } | |
2931 | else break; | |
2932 | } | |
2933 | if (parse_white(filter)==-1) return -1; | |
2934 | if ((m=parse_string(filter,&folder))!=1) | |
2935 | { | |
2936 | if (m==0) filter->errmsg=CUS "missing fileinto folder string"; | |
2937 | return -1; | |
2938 | } | |
2939 | m=0; s=folder.character; | |
2940 | if (folder.length==0) m=1; | |
2941 | if (Ustrcmp(s,"..")==0 || Ustrncmp(s,"../",3)==0) m=1; | |
2942 | else while (*s) | |
2943 | { | |
2944 | if (Ustrcmp(s,"/..")==0 || Ustrncmp(s,"/../",4)==0) { m=1; break; } | |
2945 | ++s; | |
2946 | } | |
2947 | if (m) | |
2948 | { | |
2949 | filter->errmsg=CUS "invalid folder"; | |
2950 | return -1; | |
2951 | } | |
2952 | if (exec) | |
2953 | { | |
2954 | add_addr(generated, folder.character, 1, maxage, maxmessages, maxstorage); | |
2955 | if (!copy) filter->keep = 0; | |
2956 | } | |
2957 | if (parse_semicolon(filter)==-1) return -1; | |
2958 | } | |
7c5214ec | 2959 | #ifdef ENOTIFY |
87fcc8b9 PH |
2960 | else if (parse_identifier(filter,CUS "notify")) |
2961 | { | |
2962 | /* | |
7c5214ec PH |
2963 | notify-command = "notify" { notify-options } <method: string> ";" |
2964 | notify-options = [":from" string] | |
2965 | [":importance" <"1" / "2" / "3">] | |
2966 | [":options" 1*(string-list / number)] | |
87fcc8b9 PH |
2967 | [":message" string] |
2968 | */ | |
2969 | ||
2970 | int m; | |
7c5214ec PH |
2971 | struct String from; |
2972 | struct String importance; | |
2973 | struct String *options; | |
87fcc8b9 | 2974 | struct String message; |
7c5214ec | 2975 | struct String method; |
50c99ba6 PH |
2976 | struct Notification *already; |
2977 | string_item *recipient; | |
7c5214ec | 2978 | struct String header; |
4be39b49 | 2979 | struct String subject; |
50c99ba6 | 2980 | struct String body; |
c61f2b4f | 2981 | uschar *envelope_from; |
c66441d7 MH |
2982 | struct String auto_submitted_value; |
2983 | uschar *auto_submitted_def; | |
87fcc8b9 | 2984 | |
7c5214ec | 2985 | if (!filter->require_enotify) |
87fcc8b9 | 2986 | { |
7c5214ec | 2987 | filter->errmsg=CUS "missing previous require \"enotify\";"; |
87fcc8b9 PH |
2988 | return -1; |
2989 | } | |
7c5214ec PH |
2990 | from.character=(uschar*)0; |
2991 | from.length=-1; | |
2992 | importance.character=(uschar*)0; | |
2993 | importance.length=-1; | |
2994 | options=(struct String*)0; | |
87fcc8b9 PH |
2995 | message.character=(uschar*)0; |
2996 | message.length=-1; | |
50c99ba6 | 2997 | recipient=NULL; |
7c5214ec PH |
2998 | header.length=-1; |
2999 | header.character=(uschar*)0; | |
4be39b49 MH |
3000 | subject.length=-1; |
3001 | subject.character=(uschar*)0; | |
50c99ba6 PH |
3002 | body.length=-1; |
3003 | body.character=(uschar*)0; | |
5ca6d115 | 3004 | envelope_from=(sender_address && sender_address[0]) ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : US ""; |
87fcc8b9 PH |
3005 | for (;;) |
3006 | { | |
3007 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3008 | if (parse_identifier(filter,CUS ":from")==1) |
87fcc8b9 PH |
3009 | { |
3010 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3011 | if ((m=parse_string(filter,&from))!=1) |
87fcc8b9 | 3012 | { |
7c5214ec | 3013 | if (m==0) filter->errmsg=CUS "from string expected"; |
87fcc8b9 PH |
3014 | return -1; |
3015 | } | |
50c99ba6 | 3016 | } |
7c5214ec | 3017 | else if (parse_identifier(filter,CUS ":importance")==1) |
50c99ba6 PH |
3018 | { |
3019 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3020 | if ((m=parse_string(filter,&importance))!=1) |
50c99ba6 | 3021 | { |
7c5214ec PH |
3022 | if (m==0) filter->errmsg=CUS "importance string expected"; |
3023 | return -1; | |
3024 | } | |
3025 | if (importance.length!=1 || importance.character[0]<'1' || importance.character[0]>'3') | |
3026 | { | |
3027 | filter->errmsg=CUS "invalid importance"; | |
50c99ba6 PH |
3028 | return -1; |
3029 | } | |
87fcc8b9 | 3030 | } |
7c5214ec PH |
3031 | else if (parse_identifier(filter,CUS ":options")==1) |
3032 | { | |
3033 | if (parse_white(filter)==-1) return -1; | |
3034 | } | |
87fcc8b9 PH |
3035 | else if (parse_identifier(filter,CUS ":message")==1) |
3036 | { | |
3037 | if (parse_white(filter)==-1) return -1; | |
3038 | if ((m=parse_string(filter,&message))!=1) | |
3039 | { | |
3040 | if (m==0) filter->errmsg=CUS "message string expected"; | |
3041 | return -1; | |
3042 | } | |
3043 | } | |
3044 | else break; | |
3045 | } | |
7c5214ec PH |
3046 | if (parse_white(filter)==-1) return -1; |
3047 | if ((m=parse_string(filter,&method))!=1) | |
3048 | { | |
3049 | if (m==0) filter->errmsg=CUS "missing method string"; | |
3050 | return -1; | |
3051 | } | |
87fcc8b9 | 3052 | if (parse_semicolon(filter)==-1) return -1; |
4be39b49 MH |
3053 | if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1) |
3054 | return -1; | |
c61f2b4f | 3055 | if (exec) |
50c99ba6 | 3056 | { |
c61f2b4f MH |
3057 | if (message.length==-1) message=subject; |
3058 | if (message.length==-1) expand_header(&message,&str_subject); | |
3059 | expand_header(&auto_submitted_value,&str_auto_submitted); | |
3060 | auto_submitted_def=expand_string(string_sprintf("${if def:header_auto-submitted {true}{false}}")); | |
3061 | if (auto_submitted_value.character == NULL || auto_submitted_def == NULL) | |
50c99ba6 | 3062 | { |
c61f2b4f MH |
3063 | filter->errmsg=CUS "header string expansion failed"; |
3064 | return -1; | |
50c99ba6 | 3065 | } |
c61f2b4f | 3066 | if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0) |
7c5214ec | 3067 | { |
c61f2b4f | 3068 | for (already=filter->notified; already; already=already->next) |
7c5214ec | 3069 | { |
c61f2b4f | 3070 | if (already->method.length==method.length |
5ca6d115 | 3071 | && (method.length==-1 || Ustrcmp(already->method.character,method.character)==0) |
c61f2b4f | 3072 | && already->importance.length==importance.length |
5ca6d115 | 3073 | && (importance.length==-1 || Ustrcmp(already->importance.character,importance.character)==0) |
c61f2b4f | 3074 | && already->message.length==message.length |
5ca6d115 | 3075 | && (message.length==-1 || Ustrcmp(already->message.character,message.character)==0)) |
c61f2b4f | 3076 | break; |
c66441d7 | 3077 | } |
c61f2b4f MH |
3078 | if (already==(struct Notification*)0) |
3079 | /* New notification, process it */ | |
c66441d7 | 3080 | { |
c61f2b4f MH |
3081 | struct Notification *sent; |
3082 | sent=store_get(sizeof(struct Notification)); | |
3083 | sent->method=method; | |
3084 | sent->importance=importance; | |
3085 | sent->message=message; | |
3086 | sent->next=filter->notified; | |
3087 | filter->notified=sent; | |
3088 | #ifndef COMPILE_SYNTAX_CHECKER | |
3089 | if (filter_test == FTEST_NONE) | |
d2ee6114 | 3090 | { |
c61f2b4f | 3091 | string_item *p; |
c61f2b4f MH |
3092 | int pid,fd; |
3093 | ||
3094 | if ((pid = child_open_exim2(&fd,envelope_from,envelope_from))>=1) | |
c66441d7 | 3095 | { |
c61f2b4f MH |
3096 | FILE *f; |
3097 | uschar *buffer; | |
3098 | int buffer_capacity; | |
3099 | ||
3100 | f = fdopen(fd, "wb"); | |
5ca6d115 | 3101 | fprintf(f,"From: %s\n",from.length==-1 ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : from.character); |
c61f2b4f | 3102 | for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); |
5f71124d | 3103 | fprintf(f,"Auto-Submitted: auto-notified; %s\n",filter->enotify_mailto_owner); |
c61f2b4f MH |
3104 | if (header.length>0) fprintf(f,"%s",header.character); |
3105 | if (message.length==-1) | |
3106 | { | |
3107 | message.character=US"Notification"; | |
3108 | message.length=Ustrlen(message.character); | |
3109 | } | |
3110 | /* Allocation is larger than neccessary, but enough even for split MIME words */ | |
3111 | buffer_capacity=32+4*message.length; | |
3112 | buffer=store_get(buffer_capacity); | |
3113 | if (message.length!=-1) fprintf(f,"Subject: %s\n",parse_quote_2047(message.character, message.length, US"utf-8", buffer, buffer_capacity, TRUE)); | |
3114 | fprintf(f,"\n"); | |
3115 | if (body.length>0) fprintf(f,"%s\n",body.character); | |
3116 | fflush(f); | |
3117 | (void)fclose(f); | |
3118 | (void)child_close(pid, 0); | |
c66441d7 | 3119 | } |
d2ee6114 | 3120 | } |
c61f2b4f MH |
3121 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
3122 | { | |
3123 | debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS ""); | |
3124 | } | |
7c5214ec | 3125 | #endif |
c61f2b4f MH |
3126 | } |
3127 | else | |
3128 | { | |
3129 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3130 | { | |
3131 | debug_printf("Repeated notification to `%s' ignored.\n",method.character); | |
3132 | } | |
3133 | } | |
c66441d7 MH |
3134 | } |
3135 | else | |
3136 | { | |
3137 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3138 | { | |
c61f2b4f | 3139 | debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n"); |
c66441d7 MH |
3140 | } |
3141 | } | |
7c5214ec | 3142 | } |
87fcc8b9 PH |
3143 | } |
3144 | #endif | |
059ec3d9 PH |
3145 | #ifdef VACATION |
3146 | else if (parse_identifier(filter,CUS "vacation")) | |
3147 | { | |
3148 | /* | |
3149 | vacation-command = "vacation" { vacation-options } <reason: string> ";" | |
3150 | vacation-options = [":days" number] | |
059ec3d9 | 3151 | [":subject" string] |
f656d135 PH |
3152 | [":from" string] |
3153 | [":addresses" string-list] | |
059ec3d9 | 3154 | [":mime"] |
f656d135 | 3155 | [":handle" string] |
059ec3d9 PH |
3156 | */ |
3157 | ||
3158 | int m; | |
3159 | unsigned long days; | |
059ec3d9 | 3160 | struct String subject; |
f656d135 PH |
3161 | struct String from; |
3162 | struct String *addresses; | |
059ec3d9 PH |
3163 | int reason_is_mime; |
3164 | string_item *aliases; | |
f656d135 | 3165 | struct String handle; |
059ec3d9 PH |
3166 | struct String reason; |
3167 | ||
3168 | if (!filter->require_vacation) | |
3169 | { | |
3170 | filter->errmsg=CUS "missing previous require \"vacation\";"; | |
3171 | return -1; | |
3172 | } | |
3173 | if (exec) | |
3174 | { | |
3175 | if (filter->vacation_ran) | |
3176 | { | |
3177 | filter->errmsg=CUS "trying to execute vacation more than once"; | |
3178 | return -1; | |
3179 | } | |
3180 | filter->vacation_ran=1; | |
3181 | } | |
3182 | days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7; | |
3183 | subject.character=(uschar*)0; | |
3184 | subject.length=-1; | |
f656d135 PH |
3185 | from.character=(uschar*)0; |
3186 | from.length=-1; | |
3187 | addresses=(struct String*)0; | |
059ec3d9 PH |
3188 | aliases=NULL; |
3189 | reason_is_mime=0; | |
f656d135 PH |
3190 | handle.character=(uschar*)0; |
3191 | handle.length=-1; | |
059ec3d9 PH |
3192 | for (;;) |
3193 | { | |
3194 | if (parse_white(filter)==-1) return -1; | |
3195 | if (parse_identifier(filter,CUS ":days")==1) | |
3196 | { | |
3197 | if (parse_white(filter)==-1) return -1; | |
3198 | if (parse_number(filter,&days)==-1) return -1; | |
3199 | if (days<VACATION_MIN_DAYS) days=VACATION_MIN_DAYS; | |
3200 | else if (days>VACATION_MAX_DAYS) days=VACATION_MAX_DAYS; | |
3201 | } | |
f656d135 PH |
3202 | else if (parse_identifier(filter,CUS ":subject")==1) |
3203 | { | |
3204 | if (parse_white(filter)==-1) return -1; | |
3205 | if ((m=parse_string(filter,&subject))!=1) | |
3206 | { | |
3207 | if (m==0) filter->errmsg=CUS "subject string expected"; | |
3208 | return -1; | |
3209 | } | |
3210 | } | |
3211 | else if (parse_identifier(filter,CUS ":from")==1) | |
3212 | { | |
f656d135 PH |
3213 | if (parse_white(filter)==-1) return -1; |
3214 | if ((m=parse_string(filter,&from))!=1) | |
3215 | { | |
3216 | if (m==0) filter->errmsg=CUS "from string expected"; | |
3217 | return -1; | |
3218 | } | |
7c5214ec | 3219 | if (check_mail_address(filter,&from)!=1) |
f656d135 | 3220 | return -1; |
f656d135 | 3221 | } |
059ec3d9 PH |
3222 | else if (parse_identifier(filter,CUS ":addresses")==1) |
3223 | { | |
3224 | struct String *a; | |
3225 | ||
3226 | if (parse_white(filter)==-1) return -1; | |
3227 | if ((m=parse_stringlist(filter,&addresses))!=1) | |
3228 | { | |
3229 | if (m==0) filter->errmsg=CUS "addresses string list expected"; | |
3230 | return -1; | |
3231 | } | |
3232 | for (a=addresses; a->length!=-1; ++a) | |
3233 | { | |
3234 | string_item *new; | |
3235 | ||
3236 | new=store_get(sizeof(string_item)); | |
3237 | new->text=store_get(a->length+1); | |
3238 | if (a->length) memcpy(new->text,a->character,a->length); | |
3239 | new->text[a->length]='\0'; | |
3240 | new->next=aliases; | |
3241 | aliases=new; | |
3242 | } | |
3243 | } | |
f656d135 PH |
3244 | else if (parse_identifier(filter,CUS ":mime")==1) |
3245 | reason_is_mime=1; | |
3246 | else if (parse_identifier(filter,CUS ":handle")==1) | |
059ec3d9 PH |
3247 | { |
3248 | if (parse_white(filter)==-1) return -1; | |
f656d135 | 3249 | if ((m=parse_string(filter,&from))!=1) |
059ec3d9 | 3250 | { |
f656d135 | 3251 | if (m==0) filter->errmsg=CUS "handle string expected"; |
059ec3d9 PH |
3252 | return -1; |
3253 | } | |
3254 | } | |
059ec3d9 PH |
3255 | else break; |
3256 | } | |
3257 | if (parse_white(filter)==-1) return -1; | |
3258 | if ((m=parse_string(filter,&reason))!=1) | |
3259 | { | |
3260 | if (m==0) filter->errmsg=CUS "missing reason string"; | |
3261 | return -1; | |
3262 | } | |
5ea81592 PH |
3263 | if (reason_is_mime) |
3264 | { | |
3265 | uschar *s,*end; | |
3266 | ||
3267 | for (s=reason.character,end=reason.character+reason.length; s<end && (*s&0x80)==0; ++s); | |
3268 | if (s<end) | |
3269 | { | |
3270 | filter->errmsg=CUS "MIME reason string contains 8bit text"; | |
3271 | return -1; | |
3272 | } | |
3273 | } | |
059ec3d9 PH |
3274 | if (parse_semicolon(filter)==-1) return -1; |
3275 | ||
3276 | if (exec) | |
3277 | { | |
3278 | address_item *addr; | |
3279 | int capacity,start; | |
3280 | uschar *buffer; | |
3281 | int buffer_capacity; | |
3282 | struct String key; | |
3283 | md5 base; | |
3284 | uschar digest[16]; | |
3285 | uschar hexdigest[33]; | |
3286 | int i; | |
3287 | uschar *once; | |
3288 | ||
3289 | if (filter_personal(aliases,TRUE)) | |
3290 | { | |
4929acf0 PH |
3291 | if (filter_test == FTEST_NONE) |
3292 | { | |
3293 | /* ensure oncelog directory exists; failure will be detected later */ | |
059ec3d9 | 3294 | |
4929acf0 PH |
3295 | (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); |
3296 | } | |
059ec3d9 PH |
3297 | /* build oncelog filename */ |
3298 | ||
3299 | key.character=(uschar*)0; | |
3300 | key.length=0; | |
3301 | capacity=0; | |
f656d135 | 3302 | if (handle.length==-1) |
8e669ac1 | 3303 | { |
f656d135 PH |
3304 | if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.length); |
3305 | if (from.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,from.character,from.length); | |
3306 | key.character=string_cat(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1); | |
3307 | key.character=string_cat(key.character,&capacity,&key.length,reason.character,reason.length); | |
8e669ac1 | 3308 | } |
f656d135 PH |
3309 | else |
3310 | key=handle; | |
059ec3d9 PH |
3311 | md5_start(&base); |
3312 | md5_end(&base, key.character, key.length, digest); | |
3313 | for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); | |
50c99ba6 | 3314 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3315 | { |
4929acf0 | 3316 | debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest); |
059ec3d9 | 3317 | } |
50c99ba6 | 3318 | if (filter_test == FTEST_NONE) |
059ec3d9 | 3319 | { |
4929acf0 PH |
3320 | capacity=Ustrlen(filter->vacation_directory); |
3321 | start=capacity; | |
3322 | once=string_cat(filter->vacation_directory,&capacity,&start,US"/",1); | |
3323 | once=string_cat(once,&capacity,&start,hexdigest,33); | |
3324 | once[start] = '\0'; | |
3325 | ||
3326 | /* process subject */ | |
3327 | ||
3328 | if (subject.length==-1) | |
3329 | { | |
50c99ba6 PH |
3330 | uschar *subject_def; |
3331 | ||
3332 | subject_def=expand_string(US"${if def:header_subject {true}{false}}"); | |
3333 | if (Ustrcmp(subject_def,"true")==0) | |
3334 | { | |
3335 | expand_header(&subject,&str_subject); | |
3336 | capacity=6; | |
3337 | start=6; | |
3338 | subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); | |
3339 | subject.length=start; | |
3340 | } | |
3341 | else | |
3342 | { | |
3343 | subject.character=US"Automated reply"; | |
3344 | subject.length=Ustrlen(subject.character); | |
3345 | } | |
4929acf0 PH |
3346 | } |
3347 | ||
3348 | /* add address to list of generated addresses */ | |
3349 | ||
3350 | addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); | |
3351 | setflag(addr, af_pfr); | |
3352 | setflag(addr, af_ignore_error); | |
3353 | addr->next = *generated; | |
3354 | *generated = addr; | |
3355 | addr->reply = store_get(sizeof(reply_item)); | |
3356 | memset(addr->reply,0,sizeof(reply_item)); /* XXX */ | |
3357 | addr->reply->to = string_copy(sender_address); | |
f656d135 PH |
3358 | if (from.length==-1) |
3359 | addr->reply->from = expand_string(US"$local_part@$domain"); | |
3360 | else | |
3361 | addr->reply->from = from.character; | |
4929acf0 | 3362 | /* Allocation is larger than neccessary, but enough even for split MIME words */ |
50c99ba6 | 3363 | buffer_capacity=32+4*subject.length; |
4929acf0 | 3364 | buffer=store_get(buffer_capacity); |
46218253 | 3365 | addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); |
4929acf0 PH |
3366 | addr->reply->oncelog=once; |
3367 | addr->reply->once_repeat=days*86400; | |
3368 | ||
3369 | /* build body and MIME headers */ | |
3370 | ||
3371 | if (reason_is_mime) | |
3372 | { | |
3373 | uschar *mime_body,*reason_end; | |
4929acf0 | 3374 | static const uschar nlnl[]="\r\n\r\n"; |
059ec3d9 | 3375 | |
4929acf0 PH |
3376 | for |
3377 | ( | |
3378 | mime_body=reason.character,reason_end=reason.character+reason.length; | |
50c99ba6 | 3379 | mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1)); |
4929acf0 PH |
3380 | ++mime_body |
3381 | ); | |
3382 | capacity = 0; | |
3383 | start = 0; | |
3384 | addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character); | |
3385 | addr->reply->headers[start] = '\0'; | |
3386 | capacity = 0; | |
3387 | start = 0; | |
50c99ba6 | 3388 | if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=(sizeof(nlnl)-1); |
4929acf0 PH |
3389 | else mime_body=reason_end-1; |
3390 | addr->reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); | |
3391 | addr->reply->text[start] = '\0'; | |
3392 | } | |
3393 | else | |
3394 | { | |
91ecef39 | 3395 | struct String qp = { NULL, 0 }; /* Keep compiler happy (PH) */ |
4929acf0 PH |
3396 | |
3397 | capacity = 0; | |
3398 | start = reason.length; | |
3399 | addr->reply->headers = US"MIME-Version: 1.0\n" | |
3400 | "Content-Type: text/plain;\n" | |
3401 | "\tcharset=\"utf-8\"\n" | |
3402 | "Content-Transfer-Encoding: quoted-printable"; | |
3403 | addr->reply->text = quoted_printable_encode(&reason,&qp)->character; | |
3404 | } | |
059ec3d9 | 3405 | } |
4929acf0 | 3406 | } |
50c99ba6 | 3407 | else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3408 | { |
4929acf0 | 3409 | debug_printf("Sieve: mail was not personal, vacation would ignore it\n"); |
059ec3d9 | 3410 | } |
059ec3d9 PH |
3411 | } |
3412 | } | |
4929acf0 | 3413 | else break; |
059ec3d9 | 3414 | #endif |
059ec3d9 PH |
3415 | } |
3416 | return 1; | |
3417 | } | |
3418 | ||
3419 | ||
3420 | /************************************************* | |
3421 | * Parse and interpret a sieve filter * | |
3422 | *************************************************/ | |
3423 | ||
3424 | /* | |
3425 | Arguments: | |
3426 | filter points to the Sieve filter including its state | |
3427 | exec Execute parsed statements | |
3428 | generated where to hang newly-generated addresses | |
3429 | ||
3430 | Returns: 1 success | |
3431 | -1 syntax or execution error | |
3432 | */ | |
3433 | ||
c007c974 JH |
3434 | static int |
3435 | parse_start(struct Sieve *filter, int exec, address_item **generated) | |
059ec3d9 PH |
3436 | { |
3437 | filter->pc=filter->filter; | |
3438 | filter->line=1; | |
3439 | filter->keep=1; | |
3440 | filter->require_envelope=0; | |
3441 | filter->require_fileinto=0; | |
84024b72 PH |
3442 | #ifdef ENCODED_CHARACTER |
3443 | filter->require_encoded_character=0; | |
3444 | #endif | |
024bd3c2 PH |
3445 | #ifdef ENVELOPE_AUTH |
3446 | filter->require_envelope_auth=0; | |
3447 | #endif | |
7c5214ec PH |
3448 | #ifdef ENOTIFY |
3449 | filter->require_enotify=0; | |
50c99ba6 | 3450 | filter->notified=(struct Notification*)0; |
87fcc8b9 | 3451 | #endif |
059ec3d9 PH |
3452 | #ifdef SUBADDRESS |
3453 | filter->require_subaddress=0; | |
3454 | #endif | |
3455 | #ifdef VACATION | |
3456 | filter->require_vacation=0; | |
3457 | filter->vacation_ran=0; | |
3458 | #endif | |
3459 | filter->require_copy=0; | |
3460 | filter->require_iascii_numeric=0; | |
3461 | ||
3462 | if (parse_white(filter)==-1) return -1; | |
3463 | ||
4929acf0 | 3464 | if (exec && filter->vacation_directory != NULL && filter_test == FTEST_NONE) |
059ec3d9 PH |
3465 | { |
3466 | DIR *oncelogdir; | |
3467 | struct dirent *oncelog; | |
3468 | struct stat properties; | |
3469 | time_t now; | |
3470 | ||
3471 | /* clean up old vacation log databases */ | |
3472 | ||
3473 | oncelogdir=opendir(CS filter->vacation_directory); | |
3474 | ||
3475 | if (oncelogdir ==(DIR*)0 && errno != ENOENT) | |
3476 | { | |
3477 | filter->errmsg=CUS "unable to open vacation directory"; | |
3478 | return -1; | |
3479 | } | |
3480 | ||
3481 | if (oncelogdir != NULL) | |
3482 | { | |
3483 | time(&now); | |
3484 | ||
3485 | while ((oncelog=readdir(oncelogdir))!=(struct dirent*)0) | |
3486 | { | |
3487 | if (strlen(oncelog->d_name)==32) | |
3488 | { | |
3489 | uschar *s=string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name); | |
3490 | if (Ustat(s,&properties)==0 && (properties.st_mtime+VACATION_MAX_DAYS*86400)<now) | |
3491 | Uunlink(s); | |
3492 | } | |
3493 | } | |
3494 | closedir(oncelogdir); | |
3495 | } | |
3496 | } | |
3497 | ||
3498 | while (parse_identifier(filter,CUS "require")) | |
3499 | { | |
3500 | /* | |
3501 | require-command = "require" <capabilities: string-list> | |
3502 | */ | |
3503 | ||
3504 | struct String *cap,*check; | |
3505 | int m; | |
3506 | ||
3507 | if (parse_white(filter)==-1) return -1; | |
3508 | if ((m=parse_stringlist(filter,&cap))!=1) | |
3509 | { | |
3510 | if (m==0) filter->errmsg=CUS "capability string list expected"; | |
3511 | return -1; | |
3512 | } | |
3513 | for (check=cap; check->character; ++check) | |
3514 | { | |
5ea81592 PH |
3515 | if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1; |
3516 | else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1; | |
84024b72 PH |
3517 | #ifdef ENCODED_CHARACTER |
3518 | else if (eq_octet(check,&str_encoded_character,0)) filter->require_encoded_character=1; | |
3519 | #endif | |
024bd3c2 PH |
3520 | #ifdef ENVELOPE_AUTH |
3521 | else if (eq_octet(check,&str_envelope_auth,0)) filter->require_envelope_auth=1; | |
3522 | #endif | |
7c5214ec | 3523 | #ifdef ENOTIFY |
efd9a422 MH |
3524 | else if (eq_octet(check,&str_enotify,0)) |
3525 | { | |
3526 | if (filter->enotify_mailto_owner == NULL) | |
3527 | { | |
3528 | filter->errmsg=CUS "enotify disabled"; | |
3529 | return -1; | |
3530 | } | |
3531 | filter->require_enotify=1; | |
3532 | } | |
87fcc8b9 | 3533 | #endif |
059ec3d9 | 3534 | #ifdef SUBADDRESS |
5ea81592 | 3535 | else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; |
059ec3d9 PH |
3536 | #endif |
3537 | #ifdef VACATION | |
5ea81592 | 3538 | else if (eq_octet(check,&str_vacation,0)) |
059ec3d9 | 3539 | { |
4929acf0 | 3540 | if (filter_test == FTEST_NONE && filter->vacation_directory == NULL) |
059ec3d9 PH |
3541 | { |
3542 | filter->errmsg=CUS "vacation disabled"; | |
3543 | return -1; | |
3544 | } | |
3545 | filter->require_vacation=1; | |
3546 | } | |
3547 | #endif | |
5ea81592 PH |
3548 | else if (eq_octet(check,&str_copy,0)) filter->require_copy=1; |
3549 | else if (eq_octet(check,&str_comparator_ioctet,0)) ; | |
3550 | else if (eq_octet(check,&str_comparator_iascii_casemap,0)) ; | |
3551 | else if (eq_octet(check,&str_comparator_enascii_casemap,0)) ; | |
3552 | else if (eq_octet(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; | |
059ec3d9 PH |
3553 | else |
3554 | { | |
3555 | filter->errmsg=CUS "unknown capability"; | |
3556 | return -1; | |
3557 | } | |
3558 | } | |
3559 | if (parse_semicolon(filter)==-1) return -1; | |
3560 | } | |
3561 | if (parse_commands(filter,exec,generated)==-1) return -1; | |
3562 | if (*filter->pc) | |
3563 | { | |
3564 | filter->errmsg=CUS "syntax error"; | |
3565 | return -1; | |
3566 | } | |
3567 | return 1; | |
3568 | } | |
3569 | ||
3570 | ||
3571 | /************************************************* | |
3572 | * Interpret a sieve filter file * | |
3573 | *************************************************/ | |
3574 | ||
3575 | /* | |
3576 | Arguments: | |
3577 | filter points to the entire file, read into store as a single string | |
3578 | options controls whether various special things are allowed, and requests | |
3579 | special actions (not currently used) | |
efd9a422 MH |
3580 | vacation_directory where to store vacation "once" files |
3581 | enotify_mailto_owner owner of mailto notifications | |
e4a89c47 PH |
3582 | useraddress string expression for :user part of address |
3583 | subaddress string expression for :subaddress part of address | |
059ec3d9 PH |
3584 | generated where to hang newly-generated addresses |
3585 | error where to pass back an error text | |
3586 | ||
3587 | Returns: FF_DELIVERED success, a significant action was taken | |
3588 | FF_NOTDELIVERED success, no significant action | |
3589 | FF_DEFER defer requested | |
3590 | FF_FAIL fail requested | |
3591 | FF_FREEZE freeze requested | |
3592 | FF_ERROR there was a problem | |
3593 | */ | |
3594 | ||
3595 | int | |
3596 | sieve_interpret(uschar *filter, int options, uschar *vacation_directory, | |
efd9a422 MH |
3597 | uschar *enotify_mailto_owner, uschar *useraddress, uschar *subaddress, |
3598 | address_item **generated, uschar **error) | |
059ec3d9 PH |
3599 | { |
3600 | struct Sieve sieve; | |
3601 | int r; | |
3602 | uschar *msg; | |
3603 | ||
3604 | options = options; /* Keep picky compilers happy */ | |
3605 | error = error; | |
3606 | ||
3607 | DEBUG(D_route) debug_printf("Sieve: start of processing\n"); | |
3608 | sieve.filter=filter; | |
3609 | ||
3610 | if (vacation_directory == NULL) | |
3611 | sieve.vacation_directory = NULL; | |
3612 | else | |
3613 | { | |
3614 | sieve.vacation_directory=expand_string(vacation_directory); | |
3615 | if (sieve.vacation_directory == NULL) | |
3616 | { | |
3617 | *error = string_sprintf("failed to expand \"%s\" " | |
3618 | "(sieve_vacation_directory): %s", vacation_directory, | |
3619 | expand_string_message); | |
3620 | return FF_ERROR; | |
3621 | } | |
3622 | } | |
3623 | ||
efd9a422 MH |
3624 | if (enotify_mailto_owner == NULL) |
3625 | sieve.enotify_mailto_owner = NULL; | |
3626 | else | |
3627 | { | |
3628 | sieve.enotify_mailto_owner=expand_string(enotify_mailto_owner); | |
3629 | if (sieve.enotify_mailto_owner == NULL) | |
3630 | { | |
3631 | *error = string_sprintf("failed to expand \"%s\" " | |
3632 | "(sieve_enotify_mailto_owner): %s", enotify_mailto_owner, | |
3633 | expand_string_message); | |
3634 | return FF_ERROR; | |
3635 | } | |
3636 | } | |
3637 | ||
e4a89c47 PH |
3638 | sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress; |
3639 | sieve.subaddress = subaddress; | |
3640 | ||
059ec3d9 PH |
3641 | #ifdef COMPILE_SYNTAX_CHECKER |
3642 | if (parse_start(&sieve,0,generated)==1) | |
3643 | #else | |
3644 | if (parse_start(&sieve,1,generated)==1) | |
3645 | #endif | |
3646 | { | |
3647 | if (sieve.keep) | |
3648 | { | |
3649 | add_addr(generated,US"inbox",1,0,0,0); | |
1c59d63b | 3650 | msg = string_sprintf("Implicit keep"); |
059ec3d9 PH |
3651 | r = FF_DELIVERED; |
3652 | } | |
1c59d63b | 3653 | else |
059ec3d9 | 3654 | { |
1c59d63b | 3655 | msg = string_sprintf("No implicit keep"); |
059ec3d9 PH |
3656 | r = FF_DELIVERED; |
3657 | } | |
3658 | } | |
3659 | else | |
3660 | { | |
3661 | msg = string_sprintf("Sieve error: %s in line %d",sieve.errmsg,sieve.line); | |
3662 | #ifdef COMPILE_SYNTAX_CHECKER | |
3663 | r = FF_ERROR; | |
3664 | *error = msg; | |
3665 | #else | |
3666 | add_addr(generated,US"inbox",1,0,0,0); | |
3667 | r = FF_DELIVERED; | |
3668 | #endif | |
3669 | } | |
3670 | ||
3671 | #ifndef COMPILE_SYNTAX_CHECKER | |
f05da2e8 | 3672 | if (filter_test != FTEST_NONE) printf("%s\n", (const char*) msg); |
059ec3d9 PH |
3673 | else debug_printf("%s\n", msg); |
3674 | #endif | |
3675 | ||
3676 | DEBUG(D_route) debug_printf("Sieve: end of processing\n"); | |
3677 | return r; | |
3678 | } |