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5f71124d | 1 | /* $Cambridge: exim/src/src/sieve.c,v 1.37 2009/02/04 11:31:13 michael Exp $ */ |
059ec3d9 PH |
2 | |
3 | /************************************************* | |
4 | * Exim - an Internet mail transport agent * | |
5 | *************************************************/ | |
6 | ||
deaf311d | 7 | /* Copyright (c) Michael Haardt 2003-2008 */ |
059ec3d9 PH |
8 | /* See the file NOTICE for conditions of use and distribution. */ |
9 | ||
10 | /* This code was contributed by Michael Haardt. */ | |
11 | ||
12 | ||
13 | /* Sieve mail filter. */ | |
14 | ||
15 | #include <ctype.h> | |
16 | #include <errno.h> | |
17 | #include <limits.h> | |
18 | #include <stdlib.h> | |
19 | #include <string.h> | |
20 | ||
21 | #include "exim.h" | |
22 | ||
23 | #if HAVE_ICONV | |
24 | #include <iconv.h> | |
25 | #endif | |
26 | ||
27 | /* Define this for RFC compliant \r\n end-of-line terminators. */ | |
28 | /* Undefine it for UNIX-style \n end-of-line terminators (default). */ | |
29 | #undef RFC_EOL | |
30 | ||
84024b72 | 31 | /* Define this for development of the Sieve extension "encoded-character". */ |
4be39b49 | 32 | #define ENCODED_CHARACTER |
84024b72 | 33 | |
024bd3c2 PH |
34 | /* Define this for development of the Sieve extension "envelope-auth". */ |
35 | #undef ENVELOPE_AUTH | |
36 | ||
7c5214ec | 37 | /* Define this for development of the Sieve extension "enotify". */ |
4be39b49 | 38 | #define ENOTIFY |
87fcc8b9 PH |
39 | |
40 | /* Define this for the Sieve extension "subaddress". */ | |
5ea81592 | 41 | #define SUBADDRESS |
059ec3d9 | 42 | |
87fcc8b9 | 43 | /* Define this for the Sieve extension "vacation". */ |
059ec3d9 PH |
44 | #define VACATION |
45 | ||
46 | /* Must be >= 1 */ | |
47 | #define VACATION_MIN_DAYS 1 | |
48 | /* Must be >= VACATION_MIN_DAYS, must be > 7, should be > 30 */ | |
49 | #define VACATION_MAX_DAYS 31 | |
50 | ||
51 | /* Keep this at 75 to accept only RFC compliant MIME words. */ | |
52 | /* Increase it if you want to match headers from buggy MUAs. */ | |
53 | #define MIMEWORD_LENGTH 75 | |
54 | ||
55 | struct Sieve | |
56 | { | |
57 | uschar *filter; | |
58 | const uschar *pc; | |
59 | int line; | |
60 | const uschar *errmsg; | |
61 | int keep; | |
62 | int require_envelope; | |
63 | int require_fileinto; | |
84024b72 PH |
64 | #ifdef ENCODED_CHARACTER |
65 | int require_encoded_character; | |
66 | #endif | |
024bd3c2 PH |
67 | #ifdef ENVELOPE_AUTH |
68 | int require_envelope_auth; | |
69 | #endif | |
7c5214ec PH |
70 | #ifdef ENOTIFY |
71 | int require_enotify; | |
50c99ba6 | 72 | struct Notification *notified; |
87fcc8b9 | 73 | #endif |
efd9a422 | 74 | uschar *enotify_mailto_owner; |
059ec3d9 PH |
75 | #ifdef SUBADDRESS |
76 | int require_subaddress; | |
77 | #endif | |
78 | #ifdef VACATION | |
79 | int require_vacation; | |
80 | int vacation_ran; | |
81 | #endif | |
82 | uschar *vacation_directory; | |
e4a89c47 PH |
83 | const uschar *subaddress; |
84 | const uschar *useraddress; | |
059ec3d9 PH |
85 | int require_copy; |
86 | int require_iascii_numeric; | |
87 | }; | |
88 | ||
5ea81592 | 89 | enum Comparator { COMP_OCTET, COMP_EN_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; |
059ec3d9 PH |
90 | enum MatchType { MATCH_IS, MATCH_CONTAINS, MATCH_MATCHES }; |
91 | #ifdef SUBADDRESS | |
92 | enum AddressPart { ADDRPART_USER, ADDRPART_DETAIL, ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
93 | #else | |
94 | enum AddressPart { ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
95 | #endif | |
96 | enum RelOp { LT, LE, EQ, GE, GT, NE }; | |
97 | ||
98 | struct String | |
99 | { | |
100 | uschar *character; | |
101 | int length; | |
102 | }; | |
103 | ||
50c99ba6 PH |
104 | struct Notification |
105 | { | |
106 | struct String method; | |
7c5214ec | 107 | struct String importance; |
50c99ba6 PH |
108 | struct String message; |
109 | struct Notification *next; | |
110 | }; | |
111 | ||
7c5214ec | 112 | static int eq_asciicase(const struct String *needle, const struct String *haystack, int match_prefix); |
059ec3d9 PH |
113 | static int parse_test(struct Sieve *filter, int *cond, int exec); |
114 | static int parse_commands(struct Sieve *filter, int exec, address_item **generated); | |
115 | ||
116 | static uschar str_from_c[]="From"; | |
117 | static const struct String str_from={ str_from_c, 4 }; | |
118 | static uschar str_to_c[]="To"; | |
119 | static const struct String str_to={ str_to_c, 2 }; | |
120 | static uschar str_cc_c[]="Cc"; | |
121 | static const struct String str_cc={ str_cc_c, 2 }; | |
122 | static uschar str_bcc_c[]="Bcc"; | |
123 | static const struct String str_bcc={ str_bcc_c, 3 }; | |
024bd3c2 PH |
124 | static uschar str_auth_c[]="auth"; |
125 | static const struct String str_auth={ str_auth_c, 4 }; | |
059ec3d9 PH |
126 | static uschar str_sender_c[]="Sender"; |
127 | static const struct String str_sender={ str_sender_c, 6 }; | |
128 | static uschar str_resent_from_c[]="Resent-From"; | |
129 | static const struct String str_resent_from={ str_resent_from_c, 11 }; | |
130 | static uschar str_resent_to_c[]="Resent-To"; | |
131 | static const struct String str_resent_to={ str_resent_to_c, 9 }; | |
132 | static uschar str_fileinto_c[]="fileinto"; | |
133 | static const struct String str_fileinto={ str_fileinto_c, 8 }; | |
134 | static uschar str_envelope_c[]="envelope"; | |
135 | static const struct String str_envelope={ str_envelope_c, 8 }; | |
84024b72 PH |
136 | #ifdef ENCODED_CHARACTER |
137 | static uschar str_encoded_character_c[]="encoded-character"; | |
138 | static const struct String str_encoded_character={ str_encoded_character_c, 17 }; | |
139 | #endif | |
024bd3c2 PH |
140 | #ifdef ENVELOPE_AUTH |
141 | static uschar str_envelope_auth_c[]="envelope-auth"; | |
142 | static const struct String str_envelope_auth={ str_envelope_auth_c, 13 }; | |
143 | #endif | |
7c5214ec PH |
144 | #ifdef ENOTIFY |
145 | static uschar str_enotify_c[]="enotify"; | |
146 | static const struct String str_enotify={ str_enotify_c, 7 }; | |
d6a60c0f PH |
147 | static uschar str_online_c[]="online"; |
148 | static const struct String str_online={ str_online_c, 6 }; | |
149 | static uschar str_maybe_c[]="maybe"; | |
150 | static const struct String str_maybe={ str_maybe_c, 5 }; | |
c66441d7 MH |
151 | static uschar str_auto_submitted_c[]="Auto-Submitted"; |
152 | static const struct String str_auto_submitted={ str_auto_submitted_c, 14 }; | |
87fcc8b9 | 153 | #endif |
059ec3d9 PH |
154 | #ifdef SUBADDRESS |
155 | static uschar str_subaddress_c[]="subaddress"; | |
156 | static const struct String str_subaddress={ str_subaddress_c, 10 }; | |
157 | #endif | |
158 | #ifdef VACATION | |
159 | static uschar str_vacation_c[]="vacation"; | |
160 | static const struct String str_vacation={ str_vacation_c, 8 }; | |
161 | static uschar str_subject_c[]="Subject"; | |
162 | static const struct String str_subject={ str_subject_c, 7 }; | |
163 | #endif | |
164 | static uschar str_copy_c[]="copy"; | |
165 | static const struct String str_copy={ str_copy_c, 4 }; | |
166 | static uschar str_iascii_casemap_c[]="i;ascii-casemap"; | |
167 | static const struct String str_iascii_casemap={ str_iascii_casemap_c, 15 }; | |
5ea81592 PH |
168 | static uschar str_enascii_casemap_c[]="en;ascii-casemap"; |
169 | static const struct String str_enascii_casemap={ str_enascii_casemap_c, 16 }; | |
059ec3d9 PH |
170 | static uschar str_ioctet_c[]="i;octet"; |
171 | static const struct String str_ioctet={ str_ioctet_c, 7 }; | |
172 | static uschar str_iascii_numeric_c[]="i;ascii-numeric"; | |
173 | static const struct String str_iascii_numeric={ str_iascii_numeric_c, 15 }; | |
174 | static uschar str_comparator_iascii_casemap_c[]="comparator-i;ascii-casemap"; | |
175 | static const struct String str_comparator_iascii_casemap={ str_comparator_iascii_casemap_c, 26 }; | |
5ea81592 PH |
176 | static uschar str_comparator_enascii_casemap_c[]="comparator-en;ascii-casemap"; |
177 | static const struct String str_comparator_enascii_casemap={ str_comparator_enascii_casemap_c, 27 }; | |
059ec3d9 PH |
178 | static uschar str_comparator_ioctet_c[]="comparator-i;octet"; |
179 | static const struct String str_comparator_ioctet={ str_comparator_ioctet_c, 18 }; | |
180 | static uschar str_comparator_iascii_numeric_c[]="comparator-i;ascii-numeric"; | |
181 | static const struct String str_comparator_iascii_numeric={ str_comparator_iascii_numeric_c, 26 }; | |
182 | ||
183 | ||
184 | /************************************************* | |
185 | * Encode to quoted-printable * | |
186 | *************************************************/ | |
187 | ||
188 | /* | |
189 | Arguments: | |
190 | src UTF-8 string | |
50c99ba6 PH |
191 | dst US-ASCII string |
192 | ||
193 | Returns | |
194 | dst | |
059ec3d9 PH |
195 | */ |
196 | ||
197 | static struct String *quoted_printable_encode(const struct String *src, struct String *dst) | |
198 | { | |
199 | int pass; | |
200 | const uschar *start,*end; | |
201 | uschar *new = NULL; | |
202 | uschar ch; | |
203 | size_t line; | |
204 | ||
205 | for (pass=0; pass<=1; ++pass) | |
206 | { | |
207 | line=0; | |
208 | if (pass==0) | |
209 | dst->length=0; | |
210 | else | |
211 | { | |
212 | dst->character=store_get(dst->length+1); /* plus one for \0 */ | |
213 | new=dst->character; | |
214 | } | |
215 | for (start=src->character,end=start+src->length; start<end; ++start) | |
216 | { | |
217 | ch=*start; | |
218 | if (line>=73) | |
219 | { | |
220 | if (pass==0) | |
221 | dst->length+=2; | |
222 | else | |
223 | { | |
224 | *new++='='; | |
225 | *new++='\n'; | |
226 | } | |
227 | line=0; | |
228 | } | |
229 | if | |
230 | ( | |
231 | (ch>=33 && ch<=60) | |
232 | || (ch>=62 && ch<=126) | |
233 | || | |
234 | ( | |
235 | (ch==9 || ch==32) | |
059ec3d9 PH |
236 | && start+2<end |
237 | && (*(start+1)!='\r' || *(start+2)!='\n') | |
059ec3d9 PH |
238 | ) |
239 | ) | |
240 | { | |
241 | if (pass==0) | |
242 | ++dst->length; | |
243 | else | |
244 | *new++=*start; | |
245 | ++line; | |
246 | } | |
059ec3d9 PH |
247 | else if (ch=='\r' && start+1<end && *(start+1)=='\n') |
248 | { | |
249 | if (pass==0) | |
250 | { | |
251 | ++dst->length; | |
252 | line=0; | |
059ec3d9 PH |
253 | } |
254 | else | |
255 | *new++='\n'; | |
256 | line=0; | |
50c99ba6 | 257 | ++start; |
059ec3d9 | 258 | } |
059ec3d9 PH |
259 | else |
260 | { | |
261 | if (pass==0) | |
262 | dst->length+=3; | |
263 | else | |
264 | { | |
265 | sprintf(CS new,"=%02X",ch); | |
266 | new+=3; | |
267 | } | |
268 | line+=3; | |
269 | } | |
270 | } | |
271 | } | |
272 | *new='\0'; /* not included in length, but nice */ | |
273 | return dst; | |
274 | } | |
275 | ||
276 | ||
7c5214ec PH |
277 | /************************************************* |
278 | * Check mail address for correct syntax * | |
279 | *************************************************/ | |
280 | ||
281 | /* | |
282 | Check mail address for being syntactically correct. | |
283 | ||
284 | Arguments: | |
285 | filter points to the Sieve filter including its state | |
286 | address String containing one address | |
287 | ||
288 | Returns | |
289 | 1 Mail address is syntactically OK | |
290 | -1 syntax error | |
291 | */ | |
292 | ||
293 | int check_mail_address(struct Sieve *filter, const struct String *address) | |
294 | { | |
295 | int start, end, domain; | |
296 | uschar *error,*ss; | |
297 | ||
298 | if (address->length>0) | |
299 | { | |
300 | ss = parse_extract_address(address->character, &error, &start, &end, &domain, | |
301 | FALSE); | |
302 | if (ss == NULL) | |
303 | { | |
304 | filter->errmsg=string_sprintf("malformed address \"%s\" (%s)", | |
305 | address->character, error); | |
306 | return -1; | |
307 | } | |
308 | else | |
309 | return 1; | |
310 | } | |
311 | else | |
312 | { | |
313 | filter->errmsg=CUS "empty address"; | |
314 | return -1; | |
315 | } | |
316 | } | |
317 | ||
318 | ||
50c99ba6 PH |
319 | /************************************************* |
320 | * Decode URI encoded string * | |
321 | *************************************************/ | |
322 | ||
323 | /* | |
324 | Arguments: | |
325 | str URI encoded string | |
326 | ||
327 | Returns | |
328 | 0 Decoding successful | |
329 | -1 Encoding error | |
330 | */ | |
331 | ||
7c5214ec | 332 | #ifdef ENOTIFY |
50c99ba6 PH |
333 | static int uri_decode(struct String *str) |
334 | { | |
335 | uschar *s,*t,*e; | |
336 | ||
337 | if (str->length==0) return 0; | |
338 | for (s=str->character,t=s,e=s+str->length; s<e; ) | |
339 | { | |
340 | if (*s=='%') | |
341 | { | |
342 | if (s+2<e && isxdigit(*(s+1)) && isxdigit(*(s+2))) | |
343 | { | |
344 | *t++=((isdigit(*(s+1)) ? *(s+1)-'0' : tolower(*(s+1))-'a'+10)<<4) | |
345 | | (isdigit(*(s+2)) ? *(s+2)-'0' : tolower(*(s+2))-'a'+10); | |
346 | s+=3; | |
347 | } | |
348 | else return -1; | |
349 | } | |
350 | else | |
351 | *t++=*s++; | |
352 | } | |
353 | *t='\0'; | |
354 | str->length=t-str->character; | |
355 | return 0; | |
356 | } | |
357 | ||
358 | ||
359 | /************************************************* | |
360 | * Parse mailto URI * | |
361 | *************************************************/ | |
362 | ||
363 | /* | |
364 | Parse mailto-URI. | |
365 | ||
366 | mailtoURI = "mailto:" [ to ] [ headers ] | |
367 | to = [ addr-spec *("%2C" addr-spec ) ] | |
368 | headers = "?" header *( "&" header ) | |
369 | header = hname "=" hvalue | |
370 | hname = *urlc | |
371 | hvalue = *urlc | |
372 | ||
373 | Arguments: | |
374 | filter points to the Sieve filter including its state | |
375 | uri URI, excluding scheme | |
7c5214ec PH |
376 | recipient |
377 | body | |
50c99ba6 PH |
378 | |
379 | Returns | |
380 | 1 URI is syntactically OK | |
7c5214ec | 381 | 0 Unknown URI scheme |
50c99ba6 PH |
382 | -1 syntax error |
383 | */ | |
384 | ||
4be39b49 | 385 | 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 |
386 | { |
387 | const uschar *start; | |
388 | struct String to,hname,hvalue; | |
389 | int capacity; | |
390 | string_item *new; | |
391 | ||
7c5214ec PH |
392 | if (Ustrncmp(uri,"mailto:",7)) |
393 | { | |
394 | filter->errmsg=US "Unknown URI scheme"; | |
395 | return 0; | |
396 | } | |
397 | uri+=7; | |
50c99ba6 PH |
398 | if (*uri && *uri!='?') |
399 | for (;;) | |
400 | { | |
401 | /* match to */ | |
402 | for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri); | |
403 | if (uri>start) | |
404 | { | |
405 | capacity=0; | |
406 | to.character=(uschar*)0; | |
407 | to.length=0; | |
408 | to.character=string_cat(to.character,&capacity,&to.length,start,uri-start); | |
409 | to.character[to.length]='\0'; | |
410 | if (uri_decode(&to)==-1) | |
411 | { | |
412 | filter->errmsg=US"Invalid URI encoding"; | |
413 | return -1; | |
414 | } | |
415 | new=store_get(sizeof(string_item)); | |
416 | new->text=store_get(to.length+1); | |
417 | if (to.length) memcpy(new->text,to.character,to.length); | |
418 | new->text[to.length]='\0'; | |
419 | new->next=*recipient; | |
420 | *recipient=new; | |
421 | } | |
422 | else | |
423 | { | |
424 | filter->errmsg=US"Missing addr-spec in URI"; | |
425 | return -1; | |
426 | } | |
427 | if (*uri=='%') uri+=3; | |
428 | else break; | |
429 | } | |
430 | if (*uri=='?') | |
431 | { | |
432 | ++uri; | |
433 | for (;;) | |
434 | { | |
435 | /* match hname */ | |
436 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
437 | if (uri>start) | |
438 | { | |
439 | capacity=0; | |
440 | hname.character=(uschar*)0; | |
441 | hname.length=0; | |
442 | hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start); | |
443 | hname.character[hname.length]='\0'; | |
444 | if (uri_decode(&hname)==-1) | |
445 | { | |
446 | filter->errmsg=US"Invalid URI encoding"; | |
447 | return -1; | |
448 | } | |
449 | } | |
450 | /* match = */ | |
451 | if (*uri=='=') | |
452 | ++uri; | |
453 | else | |
454 | { | |
455 | filter->errmsg=US"Missing equal after hname"; | |
456 | return -1; | |
457 | } | |
458 | /* match hvalue */ | |
459 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
460 | if (uri>start) | |
461 | { | |
462 | capacity=0; | |
463 | hvalue.character=(uschar*)0; | |
464 | hvalue.length=0; | |
465 | hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start); | |
466 | hvalue.character[hvalue.length]='\0'; | |
467 | if (uri_decode(&hvalue)==-1) | |
468 | { | |
469 | filter->errmsg=US"Invalid URI encoding"; | |
470 | return -1; | |
471 | } | |
472 | } | |
7c5214ec | 473 | if (hname.length==2 && strcmpic(hname.character, US"to")==0) |
50c99ba6 PH |
474 | { |
475 | new=store_get(sizeof(string_item)); | |
476 | new->text=store_get(hvalue.length+1); | |
477 | if (hvalue.length) memcpy(new->text,hvalue.character,hvalue.length); | |
478 | new->text[hvalue.length]='\0'; | |
479 | new->next=*recipient; | |
480 | *recipient=new; | |
481 | } | |
7c5214ec | 482 | else if (hname.length==4 && strcmpic(hname.character, US"body")==0) |
50c99ba6 | 483 | *body=hvalue; |
4be39b49 MH |
484 | else if (hname.length==7 && strcmpic(hname.character, US"subject")==0) |
485 | *subject=hvalue; | |
7c5214ec PH |
486 | else |
487 | { | |
488 | static struct String ignore[]= | |
489 | { | |
4be39b49 | 490 | {US"date",4}, |
7c5214ec | 491 | {US"from",4}, |
4be39b49 | 492 | {US"message-id",10}, |
c66441d7 MH |
493 | {US"received",8}, |
494 | {US"auto-submitted",14} | |
7c5214ec PH |
495 | }; |
496 | static struct String *end=ignore+sizeof(ignore)/sizeof(ignore[0]); | |
497 | struct String *i; | |
498 | ||
499 | for (i=ignore; i<end && !eq_asciicase(&hname,i,0); ++i); | |
500 | if (i==end) | |
501 | { | |
502 | if (header->length==-1) header->length=0; | |
503 | capacity=header->length; | |
504 | header->character=string_cat(header->character,&capacity,&header->length,hname.character,hname.length); | |
505 | header->character=string_cat(header->character,&capacity,&header->length,CUS ": ",2); | |
506 | header->character=string_cat(header->character,&capacity,&header->length,hvalue.character,hvalue.length); | |
507 | header->character=string_cat(header->character,&capacity,&header->length,CUS "\n",1); | |
508 | header->character[header->length]='\0'; | |
509 | } | |
510 | } | |
50c99ba6 PH |
511 | if (*uri=='&') ++uri; |
512 | else break; | |
513 | } | |
514 | } | |
515 | if (*uri) | |
516 | { | |
517 | filter->errmsg=US"Syntactically invalid URI"; | |
518 | return -1; | |
519 | } | |
520 | return 1; | |
521 | } | |
7c5214ec PH |
522 | #endif |
523 | ||
50c99ba6 | 524 | |
059ec3d9 PH |
525 | /************************************************* |
526 | * Octet-wise string comparison * | |
527 | *************************************************/ | |
528 | ||
529 | /* | |
530 | Arguments: | |
531 | needle UTF-8 string to search ... | |
532 | haystack ... inside the haystack | |
533 | match_prefix 1 to compare if needle is a prefix of haystack | |
534 | ||
535 | Returns: 0 needle not found in haystack | |
536 | 1 needle found | |
537 | */ | |
538 | ||
539 | static int eq_octet(const struct String *needle, | |
540 | const struct String *haystack, int match_prefix) | |
541 | { | |
542 | size_t nl,hl; | |
543 | const uschar *n,*h; | |
544 | ||
545 | nl=needle->length; | |
546 | n=needle->character; | |
547 | hl=haystack->length; | |
548 | h=haystack->character; | |
549 | while (nl>0 && hl>0) | |
550 | { | |
551 | #if !HAVE_ICONV | |
552 | if (*n&0x80) return 0; | |
553 | if (*h&0x80) return 0; | |
554 | #endif | |
555 | if (*n!=*h) return 0; | |
556 | ++n; | |
557 | ++h; | |
558 | --nl; | |
559 | --hl; | |
560 | } | |
561 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
562 | } | |
563 | ||
564 | ||
565 | /************************************************* | |
566 | * ASCII case-insensitive string comparison * | |
567 | *************************************************/ | |
568 | ||
569 | /* | |
570 | Arguments: | |
571 | needle UTF-8 string to search ... | |
572 | haystack ... inside the haystack | |
573 | match_prefix 1 to compare if needle is a prefix of haystack | |
574 | ||
575 | Returns: 0 needle not found in haystack | |
576 | 1 needle found | |
577 | */ | |
578 | ||
579 | static int eq_asciicase(const struct String *needle, | |
580 | const struct String *haystack, int match_prefix) | |
581 | { | |
582 | size_t nl,hl; | |
583 | const uschar *n,*h; | |
584 | uschar nc,hc; | |
585 | ||
586 | nl=needle->length; | |
587 | n=needle->character; | |
588 | hl=haystack->length; | |
589 | h=haystack->character; | |
590 | while (nl>0 && hl>0) | |
591 | { | |
592 | nc=*n; | |
593 | hc=*h; | |
594 | #if !HAVE_ICONV | |
595 | if (nc&0x80) return 0; | |
596 | if (hc&0x80) return 0; | |
597 | #endif | |
598 | /* tolower depends on the locale and only ASCII case must be insensitive */ | |
1c59d63b | 599 | if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; |
059ec3d9 PH |
600 | ++n; |
601 | ++h; | |
602 | --nl; | |
603 | --hl; | |
604 | } | |
605 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
606 | } | |
607 | ||
608 | ||
609 | /************************************************* | |
1c59d63b | 610 | * Glob pattern search * |
059ec3d9 PH |
611 | *************************************************/ |
612 | ||
613 | /* | |
614 | Arguments: | |
deaf311d MH |
615 | needle pattern to search ... |
616 | haystack ... inside the haystack | |
617 | ascii_caseless ignore ASCII case | |
618 | match_octet match octets, not UTF-8 multi-octet characters | |
059ec3d9 PH |
619 | |
620 | Returns: 0 needle not found in haystack | |
621 | 1 needle found | |
1c59d63b | 622 | -1 pattern error |
059ec3d9 PH |
623 | */ |
624 | ||
1c59d63b | 625 | static int eq_glob(const struct String *needle, |
50c99ba6 | 626 | const struct String *haystack, int ascii_caseless, int match_octet) |
059ec3d9 | 627 | { |
1c59d63b PH |
628 | const uschar *n,*h,*nend,*hend; |
629 | int may_advance=0; | |
059ec3d9 | 630 | |
1c59d63b PH |
631 | n=needle->character; |
632 | h=haystack->character; | |
633 | nend=n+needle->length; | |
634 | hend=h+haystack->length; | |
635 | while (n<nend) | |
059ec3d9 | 636 | { |
1c59d63b PH |
637 | if (*n=='*') |
638 | { | |
639 | ++n; | |
640 | may_advance=1; | |
059ec3d9 | 641 | } |
1c59d63b PH |
642 | else |
643 | { | |
644 | const uschar *npart,*hpart; | |
059ec3d9 | 645 | |
1c59d63b PH |
646 | /* Try to match a non-star part of the needle at the current */ |
647 | /* position in the haystack. */ | |
648 | match_part: | |
649 | npart=n; | |
650 | hpart=h; | |
651 | while (npart<nend && *npart!='*') switch (*npart) | |
652 | { | |
653 | case '?': | |
059ec3d9 | 654 | { |
1c59d63b | 655 | if (hpart==hend) return 0; |
50c99ba6 | 656 | if (match_octet) |
1c59d63b | 657 | ++hpart; |
1c59d63b | 658 | else |
50c99ba6 PH |
659 | { |
660 | /* Match one UTF8 encoded character */ | |
661 | if ((*hpart&0xc0)==0xc0) | |
662 | { | |
663 | ++hpart; | |
664 | while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart; | |
665 | } | |
666 | else | |
667 | ++hpart; | |
668 | } | |
1c59d63b PH |
669 | ++npart; |
670 | break; | |
059ec3d9 | 671 | } |
1c59d63b | 672 | case '\\': |
059ec3d9 | 673 | { |
1c59d63b PH |
674 | ++npart; |
675 | if (npart==nend) return -1; | |
676 | /* FALLTHROUGH */ | |
059ec3d9 | 677 | } |
1c59d63b | 678 | default: |
059ec3d9 | 679 | { |
1c59d63b PH |
680 | if (hpart==hend) return 0; |
681 | /* tolower depends on the locale, but we need ASCII */ | |
682 | if | |
683 | ( | |
684 | #if !HAVE_ICONV | |
685 | (*hpart&0x80) || (*npart&0x80) || | |
686 | #endif | |
687 | ascii_caseless | |
688 | ? ((*npart>='A' && *npart<='Z' ? *npart|0x20 : *npart) != (*hpart>='A' && *hpart<='Z' ? *hpart|0x20 : *hpart)) | |
689 | : *hpart!=*npart | |
690 | ) | |
059ec3d9 | 691 | { |
1c59d63b PH |
692 | if (may_advance) |
693 | /* string match after a star failed, advance and try again */ | |
059ec3d9 | 694 | { |
1c59d63b PH |
695 | ++h; |
696 | goto match_part; | |
059ec3d9 | 697 | } |
1c59d63b | 698 | else return 0; |
059ec3d9 PH |
699 | } |
700 | else | |
701 | { | |
1c59d63b PH |
702 | ++npart; |
703 | ++hpart; | |
704 | }; | |
059ec3d9 | 705 | } |
059ec3d9 | 706 | } |
1c59d63b PH |
707 | /* at this point, a part was matched successfully */ |
708 | if (may_advance && npart==nend && hpart<hend) | |
709 | /* needle ends, but haystack does not: if there was a star before, advance and try again */ | |
059ec3d9 | 710 | { |
1c59d63b PH |
711 | ++h; |
712 | goto match_part; | |
059ec3d9 | 713 | } |
1c59d63b PH |
714 | h=hpart; |
715 | n=npart; | |
716 | may_advance=0; | |
059ec3d9 PH |
717 | } |
718 | } | |
1c59d63b | 719 | return (h==hend ? 1 : may_advance); |
059ec3d9 PH |
720 | } |
721 | ||
722 | ||
723 | /************************************************* | |
724 | * ASCII numeric comparison * | |
725 | *************************************************/ | |
726 | ||
727 | /* | |
728 | Arguments: | |
729 | a first numeric string | |
730 | b second numeric string | |
731 | relop relational operator | |
732 | ||
733 | Returns: 0 not (a relop b) | |
734 | 1 a relop b | |
735 | */ | |
736 | ||
737 | static int eq_asciinumeric(const struct String *a, | |
738 | const struct String *b, enum RelOp relop) | |
739 | { | |
740 | size_t al,bl; | |
741 | const uschar *as,*aend,*bs,*bend; | |
742 | int cmp; | |
743 | ||
744 | as=a->character; | |
745 | aend=a->character+a->length; | |
746 | bs=b->character; | |
747 | bend=b->character+b->length; | |
748 | ||
749 | while (*as>='0' && *as<='9' && as<aend) ++as; | |
750 | al=as-a->character; | |
751 | while (*bs>='0' && *bs<='9' && bs<bend) ++bs; | |
752 | bl=bs-b->character; | |
753 | ||
754 | if (al && bl==0) cmp=-1; | |
755 | else if (al==0 && bl==0) cmp=0; | |
756 | else if (al==0 && bl) cmp=1; | |
757 | else | |
758 | { | |
759 | cmp=al-bl; | |
760 | if (cmp==0) cmp=memcmp(a->character,b->character,al); | |
761 | } | |
762 | switch (relop) | |
763 | { | |
764 | case LT: return cmp<0; | |
765 | case LE: return cmp<=0; | |
766 | case EQ: return cmp==0; | |
767 | case GE: return cmp>=0; | |
768 | case GT: return cmp>0; | |
769 | case NE: return cmp!=0; | |
770 | } | |
771 | /*NOTREACHED*/ | |
772 | return -1; | |
773 | } | |
774 | ||
775 | ||
776 | /************************************************* | |
777 | * Compare strings * | |
778 | *************************************************/ | |
779 | ||
780 | /* | |
781 | Arguments: | |
50c99ba6 | 782 | filter points to the Sieve filter including its state |
059ec3d9 PH |
783 | needle UTF-8 pattern or string to search ... |
784 | haystack ... inside the haystack | |
785 | co comparator to use | |
786 | mt match type to use | |
787 | ||
788 | Returns: 0 needle not found in haystack | |
789 | 1 needle found | |
790 | -1 comparator does not offer matchtype | |
791 | */ | |
792 | ||
793 | static int compare(struct Sieve *filter, const struct String *needle, const struct String *haystack, | |
794 | enum Comparator co, enum MatchType mt) | |
795 | { | |
796 | int r=0; | |
797 | ||
f05da2e8 | 798 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
799 | (debug_selector & D_filter) != 0) |
800 | { | |
801 | debug_printf("String comparison (match "); | |
802 | switch (mt) | |
803 | { | |
804 | case MATCH_IS: debug_printf(":is"); break; | |
805 | case MATCH_CONTAINS: debug_printf(":contains"); break; | |
806 | case MATCH_MATCHES: debug_printf(":matches"); break; | |
807 | } | |
808 | debug_printf(", comparison \""); | |
809 | switch (co) | |
810 | { | |
811 | case COMP_OCTET: debug_printf("i;octet"); break; | |
5ea81592 | 812 | case COMP_EN_ASCII_CASEMAP: debug_printf("en;ascii-casemap"); break; |
059ec3d9 PH |
813 | case COMP_ASCII_NUMERIC: debug_printf("i;ascii-numeric"); break; |
814 | } | |
815 | debug_printf("\"):\n"); | |
816 | debug_printf(" Search = %s (%d chars)\n", needle->character,needle->length); | |
817 | debug_printf(" Inside = %s (%d chars)\n", haystack->character,haystack->length); | |
818 | } | |
819 | switch (mt) | |
820 | { | |
821 | case MATCH_IS: | |
822 | { | |
823 | switch (co) | |
824 | { | |
825 | case COMP_OCTET: | |
826 | { | |
827 | if (eq_octet(needle,haystack,0)) r=1; | |
828 | break; | |
829 | } | |
5ea81592 | 830 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
831 | { |
832 | if (eq_asciicase(needle,haystack,0)) r=1; | |
833 | break; | |
834 | } | |
835 | case COMP_ASCII_NUMERIC: | |
836 | { | |
837 | if (!filter->require_iascii_numeric) | |
838 | { | |
839 | filter->errmsg=CUS "missing previous require \"comparator-i;ascii-numeric\";"; | |
840 | return -1; | |
841 | } | |
842 | if (eq_asciinumeric(needle,haystack,EQ)) r=1; | |
843 | break; | |
844 | } | |
845 | } | |
846 | break; | |
847 | } | |
848 | case MATCH_CONTAINS: | |
849 | { | |
850 | struct String h; | |
851 | ||
852 | switch (co) | |
853 | { | |
854 | case COMP_OCTET: | |
855 | { | |
856 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; } | |
857 | break; | |
858 | } | |
5ea81592 | 859 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
860 | { |
861 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; } | |
862 | break; | |
863 | } | |
864 | default: | |
865 | { | |
866 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
867 | return -1; | |
868 | } | |
869 | } | |
870 | break; | |
871 | } | |
872 | case MATCH_MATCHES: | |
873 | { | |
874 | switch (co) | |
875 | { | |
876 | case COMP_OCTET: | |
877 | { | |
50c99ba6 | 878 | if ((r=eq_glob(needle,haystack,0,1))==-1) |
1c59d63b PH |
879 | { |
880 | filter->errmsg=CUS "syntactically invalid pattern"; | |
881 | return -1; | |
882 | } | |
059ec3d9 PH |
883 | break; |
884 | } | |
5ea81592 | 885 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 | 886 | { |
50c99ba6 | 887 | if ((r=eq_glob(needle,haystack,1,1))==-1) |
1c59d63b PH |
888 | { |
889 | filter->errmsg=CUS "syntactically invalid pattern"; | |
890 | return -1; | |
891 | } | |
059ec3d9 PH |
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 | } | |
f05da2e8 | 903 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
904 | (debug_selector & D_filter) != 0) |
905 | debug_printf(" Result %s\n",r?"true":"false"); | |
906 | return r; | |
907 | } | |
908 | ||
909 | ||
910 | /************************************************* | |
911 | * Check header field syntax * | |
912 | *************************************************/ | |
913 | ||
914 | /* | |
915 | RFC 2822, section 3.6.8 says: | |
916 | ||
917 | field-name = 1*ftext | |
918 | ||
919 | ftext = %d33-57 / ; Any character except | |
920 | %d59-126 ; controls, SP, and | |
921 | ; ":". | |
922 | ||
923 | That forbids 8-bit header fields. This implementation accepts them, since | |
924 | all of Exim is 8-bit clean, so it adds %d128-%d255. | |
925 | ||
926 | Arguments: | |
927 | header header field to quote for suitable use in Exim expansions | |
928 | ||
929 | Returns: 0 string is not a valid header field | |
930 | 1 string is a value header field | |
931 | */ | |
932 | ||
933 | static int is_header(const struct String *header) | |
934 | { | |
935 | size_t l; | |
936 | const uschar *h; | |
937 | ||
938 | l=header->length; | |
939 | h=header->character; | |
940 | if (l==0) return 0; | |
941 | while (l) | |
942 | { | |
943 | if (((unsigned char)*h)<33 || ((unsigned char)*h)==':' || ((unsigned char)*h)==127) return 0; | |
944 | else | |
945 | { | |
946 | ++h; | |
947 | --l; | |
948 | } | |
949 | } | |
950 | return 1; | |
951 | } | |
952 | ||
953 | ||
954 | /************************************************* | |
955 | * Quote special characters string * | |
956 | *************************************************/ | |
957 | ||
958 | /* | |
959 | Arguments: | |
960 | header header field to quote for suitable use in Exim expansions | |
961 | or as debug output | |
962 | ||
963 | Returns: quoted string | |
964 | */ | |
965 | ||
966 | static const uschar *quote(const struct String *header) | |
967 | { | |
968 | uschar *quoted=NULL; | |
969 | int size=0,ptr=0; | |
970 | size_t l; | |
971 | const uschar *h; | |
972 | ||
973 | l=header->length; | |
974 | h=header->character; | |
975 | while (l) | |
976 | { | |
977 | switch (*h) | |
978 | { | |
979 | case '\0': | |
980 | { | |
981 | quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2); | |
982 | break; | |
983 | } | |
984 | case '$': | |
985 | case '{': | |
986 | case '}': | |
987 | { | |
988 | quoted=string_cat(quoted,&size,&ptr,CUS "\\",1); | |
989 | } | |
990 | default: | |
991 | { | |
992 | quoted=string_cat(quoted,&size,&ptr,h,1); | |
993 | } | |
994 | } | |
995 | ++h; | |
996 | --l; | |
997 | } | |
998 | quoted=string_cat(quoted,&size,&ptr,CUS "",1); | |
999 | return quoted; | |
1000 | } | |
1001 | ||
1002 | ||
1003 | /************************************************* | |
1004 | * Add address to list of generated addresses * | |
1005 | *************************************************/ | |
1006 | ||
1007 | /* | |
deaf311d | 1008 | According to RFC 5228, duplicate delivery to the same address must |
059ec3d9 PH |
1009 | not happen, so the list is first searched for the address. |
1010 | ||
1011 | Arguments: | |
1012 | generated list of generated addresses | |
1013 | addr new address to add | |
1014 | file address denotes a file | |
1015 | ||
1016 | Returns: nothing | |
1017 | */ | |
1018 | ||
1019 | static void add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) | |
1020 | { | |
1021 | address_item *new_addr; | |
1022 | ||
1023 | for (new_addr=*generated; new_addr; new_addr=new_addr->next) | |
1024 | { | |
1025 | if (Ustrcmp(new_addr->address,addr)==0 && (file ? testflag(new_addr, af_pfr|af_file) : 1)) | |
1026 | { | |
f05da2e8 | 1027 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
1028 | { |
1029 | debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr); | |
1030 | } | |
1031 | return; | |
1032 | } | |
1033 | } | |
1034 | ||
f05da2e8 | 1035 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
1036 | { |
1037 | debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr); | |
1038 | } | |
1039 | new_addr=deliver_make_addr(addr,TRUE); | |
1040 | if (file) | |
1041 | { | |
1042 | setflag(new_addr, af_pfr|af_file); | |
1043 | new_addr->mode = 0; | |
1044 | } | |
1045 | new_addr->p.errors_address = NULL; | |
1046 | new_addr->next = *generated; | |
1047 | *generated = new_addr; | |
1048 | } | |
1049 | ||
1050 | ||
1051 | /************************************************* | |
1052 | * Return decoded header field * | |
1053 | *************************************************/ | |
1054 | ||
1055 | /* | |
50c99ba6 PH |
1056 | Unfold the header field as described in RFC 2822 and remove all |
1057 | leading and trailing white space, then perform MIME decoding and | |
1058 | translate the header field to UTF-8. | |
1059 | ||
059ec3d9 PH |
1060 | Arguments: |
1061 | value returned value of the field | |
1062 | header name of the header field | |
1063 | ||
1064 | Returns: nothing The expanded string is empty | |
1065 | in case there is no such header | |
1066 | */ | |
1067 | ||
1068 | static void expand_header(struct String *value, const struct String *header) | |
1069 | { | |
1070 | uschar *s,*r,*t; | |
1071 | uschar *errmsg; | |
1072 | ||
1073 | value->length=0; | |
1074 | value->character=(uschar*)0; | |
1075 | ||
1076 | t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header))); | |
50c99ba6 | 1077 | while (*r==' ' || *r=='\t') ++r; |
059ec3d9 PH |
1078 | while (*r) |
1079 | { | |
1080 | if (*r=='\n') | |
059ec3d9 | 1081 | ++r; |
059ec3d9 PH |
1082 | else |
1083 | *t++=*r++; | |
1084 | } | |
50c99ba6 PH |
1085 | while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t; |
1086 | *t='\0'; | |
a0d6ba8a | 1087 | value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg); |
059ec3d9 PH |
1088 | } |
1089 | ||
1090 | ||
1091 | /************************************************* | |
1092 | * Parse remaining hash comment * | |
1093 | *************************************************/ | |
1094 | ||
1095 | /* | |
1096 | Token definition: | |
1097 | Comment up to terminating CRLF | |
1098 | ||
1099 | Arguments: | |
1100 | filter points to the Sieve filter including its state | |
1101 | ||
1102 | Returns: 1 success | |
1103 | -1 syntax error | |
1104 | */ | |
1105 | ||
1106 | static int parse_hashcomment(struct Sieve *filter) | |
1107 | { | |
1108 | ++filter->pc; | |
1109 | while (*filter->pc) | |
1110 | { | |
1111 | #ifdef RFC_EOL | |
1112 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1113 | #else | |
1114 | if (*filter->pc=='\n') | |
1115 | #endif | |
1116 | { | |
1117 | #ifdef RFC_EOL | |
1118 | filter->pc+=2; | |
1119 | #else | |
1120 | ++filter->pc; | |
1121 | #endif | |
1122 | ++filter->line; | |
1123 | return 1; | |
1124 | } | |
1125 | else ++filter->pc; | |
1126 | } | |
1127 | filter->errmsg=CUS "missing end of comment"; | |
1128 | return -1; | |
1129 | } | |
1130 | ||
1131 | ||
1132 | /************************************************* | |
1133 | * Parse remaining C-style comment * | |
1134 | *************************************************/ | |
1135 | ||
1136 | /* | |
1137 | Token definition: | |
1138 | Everything up to star slash | |
1139 | ||
1140 | Arguments: | |
1141 | filter points to the Sieve filter including its state | |
1142 | ||
1143 | Returns: 1 success | |
1144 | -1 syntax error | |
1145 | */ | |
1146 | ||
1147 | static int parse_comment(struct Sieve *filter) | |
1148 | { | |
1149 | filter->pc+=2; | |
1150 | while (*filter->pc) | |
1151 | { | |
1152 | if (*filter->pc=='*' && *(filter->pc+1)=='/') | |
1153 | { | |
1154 | filter->pc+=2; | |
1155 | return 1; | |
1156 | } | |
1157 | else ++filter->pc; | |
1158 | } | |
1159 | filter->errmsg=CUS "missing end of comment"; | |
1160 | return -1; | |
1161 | } | |
1162 | ||
1163 | ||
1164 | /************************************************* | |
1165 | * Parse optional white space * | |
1166 | *************************************************/ | |
1167 | ||
1168 | /* | |
1169 | Token definition: | |
1170 | Spaces, tabs, CRLFs, hash comments or C-style comments | |
1171 | ||
1172 | Arguments: | |
1173 | filter points to the Sieve filter including its state | |
1174 | ||
1175 | Returns: 1 success | |
1176 | -1 syntax error | |
1177 | */ | |
1178 | ||
1179 | static int parse_white(struct Sieve *filter) | |
1180 | { | |
1181 | while (*filter->pc) | |
1182 | { | |
1183 | if (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1184 | #ifdef RFC_EOL | |
1185 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1186 | #else | |
1187 | else if (*filter->pc=='\n') | |
1188 | #endif | |
1189 | { | |
1190 | #ifdef RFC_EOL | |
1191 | filter->pc+=2; | |
1192 | #else | |
1193 | ++filter->pc; | |
1194 | #endif | |
1195 | ++filter->line; | |
1196 | } | |
1197 | else if (*filter->pc=='#') | |
1198 | { | |
1199 | if (parse_hashcomment(filter)==-1) return -1; | |
1200 | } | |
1201 | else if (*filter->pc=='/' && *(filter->pc+1)=='*') | |
1202 | { | |
1203 | if (parse_comment(filter)==-1) return -1; | |
1204 | } | |
1205 | else break; | |
1206 | } | |
1207 | return 1; | |
1208 | } | |
1209 | ||
1210 | ||
a43a27c5 PH |
1211 | #ifdef ENCODED_CHARACTER |
1212 | /************************************************* | |
eb4c0de6 | 1213 | * Decode hex-encoded-character string * |
a43a27c5 PH |
1214 | *************************************************/ |
1215 | ||
1216 | /* | |
1217 | Encoding definition: | |
eb4c0de6 PH |
1218 | blank = SP / TAB / CRLF |
1219 | hex-pair-seq = *blank hex-pair *(1*blank hex-pair) *blank | |
a43a27c5 PH |
1220 | hex-pair = 1*2HEXDIG |
1221 | ||
1222 | Arguments: | |
1223 | src points to a hex-pair-seq | |
1224 | end points to its end | |
1225 | dst points to the destination of the decoded octets, | |
1226 | optionally to (uschar*)0 for checking only | |
1227 | ||
1228 | Returns: >=0 number of decoded octets | |
1229 | -1 syntax error | |
1230 | */ | |
1231 | ||
1232 | static int hex_decode(uschar *src, uschar *end, uschar *dst) | |
1233 | { | |
1234 | int decoded=0; | |
1235 | ||
eb4c0de6 PH |
1236 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1237 | do | |
a43a27c5 | 1238 | { |
eb4c0de6 PH |
1239 | int x,d,n; |
1240 | ||
1241 | 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); | |
1242 | if (d==0) return -1; | |
1243 | if (dst) *dst++=x; | |
1244 | ++decoded; | |
1245 | if (src==end) return decoded; | |
1246 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1247 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1248 | else | |
1249 | return -1; | |
a43a27c5 | 1250 | } |
eb4c0de6 PH |
1251 | while (src<end); |
1252 | return decoded; | |
a43a27c5 PH |
1253 | } |
1254 | ||
1255 | ||
1256 | /************************************************* | |
eb4c0de6 | 1257 | * Decode unicode-encoded-character string * |
a43a27c5 PH |
1258 | *************************************************/ |
1259 | ||
1260 | /* | |
1261 | Encoding definition: | |
eb4c0de6 PH |
1262 | blank = SP / TAB / CRLF |
1263 | unicode-hex-seq = *blank unicode-hex *(blank unicode-hex) *blank | |
1264 | unicode-hex = 1*HEXDIG | |
a43a27c5 PH |
1265 | |
1266 | It is an error for a script to use a hexadecimal value that isn't in | |
1267 | either the range 0 to D7FF or the range E000 to 10FFFF. | |
1268 | ||
eb4c0de6 PH |
1269 | At this time, strings are already scanned, thus the CRLF is converted |
1270 | to the internally used \n (should RFC_EOL have been used). | |
1271 | ||
a43a27c5 PH |
1272 | Arguments: |
1273 | src points to a unicode-hex-seq | |
1274 | end points to its end | |
1275 | dst points to the destination of the decoded octets, | |
1276 | optionally to (uschar*)0 for checking only | |
1277 | ||
1278 | Returns: >=0 number of decoded octets | |
1279 | -1 syntax error | |
1280 | -2 semantic error (character range violation) | |
1281 | */ | |
1282 | ||
1283 | static int unicode_decode(uschar *src, uschar *end, uschar *dst) | |
1284 | { | |
1285 | int decoded=0; | |
1286 | ||
eb4c0de6 PH |
1287 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1288 | do | |
a43a27c5 | 1289 | { |
eb4c0de6 PH |
1290 | uschar *hex_seq; |
1291 | int c,d,n; | |
1292 | ||
1293 | unicode_hex: | |
1294 | for (hex_seq=src; src<end && *src=='0'; ++src); | |
1295 | 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); | |
1296 | if (src==hex_seq) return -1; | |
1297 | if (d==7 || (!((c>=0 && c<=0xd7ff) || (c>=0xe000 && c<=0x10ffff)))) return -2; | |
1298 | if (c<128) | |
a43a27c5 | 1299 | { |
eb4c0de6 PH |
1300 | if (dst) *dst++=c; |
1301 | ++decoded; | |
1302 | } | |
1303 | else if (c>=0x80 && c<=0x7ff) | |
1304 | { | |
1305 | if (dst) | |
1306 | { | |
1307 | *dst++=192+(c>>6); | |
1308 | *dst++=128+(c&0x3f); | |
1309 | } | |
1310 | decoded+=2; | |
1311 | } | |
1312 | else if (c>=0x800 && c<=0xffff) | |
1313 | { | |
1314 | if (dst) | |
1315 | { | |
1316 | *dst++=224+(c>>12); | |
1317 | *dst++=128+((c>>6)&0x3f); | |
1318 | *dst++=128+(c&0x3f); | |
1319 | } | |
1320 | decoded+=3; | |
1321 | } | |
1322 | else if (c>=0x10000 && c<=0x1fffff) | |
1323 | { | |
1324 | if (dst) | |
1325 | { | |
1326 | *dst++=240+(c>>18); | |
1327 | *dst++=128+((c>>10)&0x3f); | |
1328 | *dst++=128+((c>>6)&0x3f); | |
1329 | *dst++=128+(c&0x3f); | |
1330 | } | |
1331 | decoded+=4; | |
1332 | } | |
1333 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1334 | { | |
1335 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1336 | if (src==end) return decoded; | |
1337 | goto unicode_hex; | |
a43a27c5 | 1338 | } |
a43a27c5 | 1339 | } |
eb4c0de6 PH |
1340 | while (src<end); |
1341 | return decoded; | |
a43a27c5 PH |
1342 | } |
1343 | ||
1344 | ||
1345 | /************************************************* | |
1346 | * Decode encoded-character string * | |
1347 | *************************************************/ | |
1348 | ||
1349 | /* | |
1350 | Encoding definition: | |
1351 | encoded-arb-octets = "${hex:" hex-pair-seq "}" | |
1352 | encoded-unicode-char = "${unicode:" unicode-hex-seq "}" | |
1353 | ||
1354 | Arguments: | |
1355 | encoded points to an encoded string, returns decoded string | |
1356 | filter points to the Sieve filter including its state | |
1357 | ||
1358 | Returns: 1 success | |
1359 | -1 syntax error | |
1360 | */ | |
1361 | ||
1362 | static int string_decode(struct Sieve *filter, struct String *data) | |
1363 | { | |
1364 | uschar *src,*dst,*end; | |
1365 | ||
1366 | src=data->character; | |
1367 | dst=src; | |
1368 | end=data->character+data->length; | |
1369 | while (src<end) | |
1370 | { | |
1371 | uschar *brace; | |
1372 | ||
1373 | if ( | |
eb4c0de6 | 1374 | strncmpic(src,US "${hex:",6)==0 |
a43a27c5 PH |
1375 | && (brace=Ustrchr(src+6,'}'))!=(uschar*)0 |
1376 | && (hex_decode(src+6,brace,(uschar*)0))>=0 | |
1377 | ) | |
1378 | { | |
1379 | dst+=hex_decode(src+6,brace,dst); | |
1380 | src=brace+1; | |
1381 | } | |
1382 | else if ( | |
eb4c0de6 | 1383 | strncmpic(src,US "${unicode:",10)==0 |
a43a27c5 PH |
1384 | && (brace=Ustrchr(src+10,'}'))!=(uschar*)0 |
1385 | ) | |
1386 | { | |
1387 | switch (unicode_decode(src+10,brace,(uschar*)0)) | |
1388 | { | |
1389 | case -2: | |
1390 | { | |
1391 | filter->errmsg=CUS "unicode character out of range"; | |
1392 | return -1; | |
1393 | } | |
1394 | case -1: | |
1395 | { | |
1396 | *dst++=*src++; | |
1397 | break; | |
1398 | } | |
1399 | default: | |
1400 | { | |
1401 | dst+=unicode_decode(src+10,brace,dst); | |
1402 | src=brace+1; | |
1403 | } | |
1404 | } | |
1405 | } | |
1406 | else *dst++=*src++; | |
1407 | } | |
1408 | data->length=dst-data->character; | |
1409 | *dst='\0'; | |
1410 | return 1; | |
1411 | } | |
1412 | #endif | |
1413 | ||
1414 | ||
059ec3d9 | 1415 | /************************************************* |
a43a27c5 | 1416 | * Parse an optional string * |
059ec3d9 PH |
1417 | *************************************************/ |
1418 | ||
1419 | /* | |
1420 | Token definition: | |
1421 | quoted-string = DQUOTE *CHAR DQUOTE | |
1422 | ;; in general, \ CHAR inside a string maps to CHAR | |
1423 | ;; so \" maps to " and \\ maps to \ | |
1424 | ;; note that newlines and other characters are all allowed | |
1425 | ;; in strings | |
1426 | ||
1427 | multi-line = "text:" *(SP / HTAB) (hash-comment / CRLF) | |
1428 | *(multi-line-literal / multi-line-dotstuff) | |
1429 | "." CRLF | |
1430 | multi-line-literal = [CHAR-NOT-DOT *CHAR-NOT-CRLF] CRLF | |
1431 | multi-line-dotstuff = "." 1*CHAR-NOT-CRLF CRLF | |
1432 | ;; A line containing only "." ends the multi-line. | |
1433 | ;; Remove a leading '.' if followed by another '.'. | |
1434 | string = quoted-string / multi-line | |
1435 | ||
1436 | Arguments: | |
1437 | filter points to the Sieve filter including its state | |
1438 | id specifies identifier to match | |
1439 | ||
1440 | Returns: 1 success | |
1441 | -1 syntax error | |
1442 | 0 identifier not matched | |
1443 | */ | |
1444 | ||
1445 | static int parse_string(struct Sieve *filter, struct String *data) | |
1446 | { | |
1447 | int dataCapacity=0; | |
1448 | ||
1449 | data->length=0; | |
1450 | data->character=(uschar*)0; | |
1451 | if (*filter->pc=='"') /* quoted string */ | |
1452 | { | |
1453 | ++filter->pc; | |
1454 | while (*filter->pc) | |
1455 | { | |
1456 | if (*filter->pc=='"') /* end of string */ | |
1457 | { | |
1458 | int foo=data->length; | |
1459 | ||
1460 | ++filter->pc; | |
50c99ba6 | 1461 | /* that way, there will be at least one character allocated */ |
059ec3d9 | 1462 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); |
a43a27c5 PH |
1463 | #ifdef ENCODED_CHARACTER |
1464 | if (filter->require_encoded_character | |
1465 | && string_decode(filter,data)==-1) | |
1466 | return -1; | |
1467 | #endif | |
059ec3d9 PH |
1468 | return 1; |
1469 | } | |
1470 | else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */ | |
1471 | { | |
4be39b49 | 1472 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1); |
059ec3d9 PH |
1473 | filter->pc+=2; |
1474 | } | |
1475 | else /* regular character */ | |
1476 | { | |
50c99ba6 PH |
1477 | #ifdef RFC_EOL |
1478 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line; | |
1479 | #else | |
1480 | if (*filter->pc=='\n') | |
1481 | { | |
1482 | data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1); | |
1483 | ++filter->line; | |
1484 | } | |
1485 | #endif | |
059ec3d9 PH |
1486 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); |
1487 | filter->pc++; | |
1488 | } | |
1489 | } | |
1490 | filter->errmsg=CUS "missing end of string"; | |
1491 | return -1; | |
1492 | } | |
1493 | else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ | |
1494 | { | |
1495 | filter->pc+=5; | |
1496 | /* skip optional white space followed by hashed comment or CRLF */ | |
1497 | while (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1498 | if (*filter->pc=='#') | |
1499 | { | |
1500 | if (parse_hashcomment(filter)==-1) return -1; | |
1501 | } | |
1502 | #ifdef RFC_EOL | |
1503 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1504 | #else | |
1505 | else if (*filter->pc=='\n') | |
1506 | #endif | |
1507 | { | |
1508 | #ifdef RFC_EOL | |
1509 | filter->pc+=2; | |
1510 | #else | |
1511 | ++filter->pc; | |
1512 | #endif | |
1513 | ++filter->line; | |
1514 | } | |
1515 | else | |
1516 | { | |
1517 | filter->errmsg=CUS "syntax error"; | |
1518 | return -1; | |
1519 | } | |
1520 | while (*filter->pc) | |
1521 | { | |
1522 | #ifdef RFC_EOL | |
1523 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') /* end of line */ | |
1524 | #else | |
1525 | if (*filter->pc=='\n') /* end of line */ | |
1526 | #endif | |
1527 | { | |
1528 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "\r\n",2); | |
1529 | #ifdef RFC_EOL | |
1530 | filter->pc+=2; | |
1531 | #else | |
1532 | ++filter->pc; | |
1533 | #endif | |
1534 | ++filter->line; | |
1535 | #ifdef RFC_EOL | |
1536 | if (*filter->pc=='.' && *(filter->pc+1)=='\r' && *(filter->pc+2)=='\n') /* end of string */ | |
1537 | #else | |
1538 | if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */ | |
1539 | #endif | |
1540 | { | |
50c99ba6 PH |
1541 | int foo=data->length; |
1542 | ||
1543 | /* that way, there will be at least one character allocated */ | |
1544 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); | |
059ec3d9 PH |
1545 | #ifdef RFC_EOL |
1546 | filter->pc+=3; | |
1547 | #else | |
1548 | filter->pc+=2; | |
1549 | #endif | |
1550 | ++filter->line; | |
a43a27c5 PH |
1551 | #ifdef ENCODED_CHARACTER |
1552 | if (filter->require_encoded_character | |
1553 | && string_decode(filter,data)==-1) | |
1554 | return -1; | |
1555 | #endif | |
059ec3d9 PH |
1556 | return 1; |
1557 | } | |
1558 | else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */ | |
1559 | { | |
1560 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS ".",1); | |
1561 | filter->pc+=2; | |
1562 | } | |
1563 | } | |
1564 | else /* regular character */ | |
1565 | { | |
1566 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); | |
1567 | filter->pc++; | |
1568 | } | |
1569 | } | |
1570 | filter->errmsg=CUS "missing end of multi line string"; | |
1571 | return -1; | |
1572 | } | |
1573 | else return 0; | |
1574 | } | |
1575 | ||
1576 | ||
1577 | /************************************************* | |
1578 | * Parse a specific identifier * | |
1579 | *************************************************/ | |
1580 | ||
1581 | /* | |
1582 | Token definition: | |
1583 | identifier = (ALPHA / "_") *(ALPHA DIGIT "_") | |
1584 | ||
1585 | Arguments: | |
1586 | filter points to the Sieve filter including its state | |
1587 | id specifies identifier to match | |
1588 | ||
1589 | Returns: 1 success | |
1590 | 0 identifier not matched | |
1591 | */ | |
1592 | ||
1593 | static int parse_identifier(struct Sieve *filter, const uschar *id) | |
1594 | { | |
1595 | size_t idlen=Ustrlen(id); | |
1596 | ||
eb4c0de6 | 1597 | if (strncmpic(US filter->pc,US id,idlen)==0) |
059ec3d9 PH |
1598 | { |
1599 | uschar next=filter->pc[idlen]; | |
1600 | ||
1601 | if ((next>='A' && next<='Z') || (next>='a' && next<='z') || next=='_' || (next>='0' && next<='9')) return 0; | |
1602 | filter->pc+=idlen; | |
1603 | return 1; | |
1604 | } | |
1605 | else return 0; | |
1606 | } | |
1607 | ||
1608 | ||
1609 | /************************************************* | |
1610 | * Parse a number * | |
1611 | *************************************************/ | |
1612 | ||
1613 | /* | |
1614 | Token definition: | |
1615 | number = 1*DIGIT [QUANTIFIER] | |
1616 | QUANTIFIER = "K" / "M" / "G" | |
1617 | ||
1618 | Arguments: | |
1619 | filter points to the Sieve filter including its state | |
1620 | data returns value | |
1621 | ||
1622 | Returns: 1 success | |
1623 | -1 no string list found | |
1624 | */ | |
1625 | ||
1626 | static int parse_number(struct Sieve *filter, unsigned long *data) | |
1627 | { | |
1628 | unsigned long d,u; | |
1629 | ||
1630 | if (*filter->pc>='0' && *filter->pc<='9') | |
1631 | { | |
1632 | uschar *e; | |
1633 | ||
1634 | errno=0; | |
1635 | d=Ustrtoul(filter->pc,&e,10); | |
1636 | if (errno==ERANGE) | |
1637 | { | |
1638 | filter->errmsg=CUstrerror(ERANGE); | |
1639 | return -1; | |
1640 | } | |
1641 | filter->pc=e; | |
1642 | u=1; | |
1643 | if (*filter->pc=='K') { u=1024; ++filter->pc; } | |
1644 | else if (*filter->pc=='M') { u=1024*1024; ++filter->pc; } | |
1645 | else if (*filter->pc=='G') { u=1024*1024*1024; ++filter->pc; } | |
1646 | if (d>(ULONG_MAX/u)) | |
1647 | { | |
1648 | filter->errmsg=CUstrerror(ERANGE); | |
1649 | return -1; | |
1650 | } | |
1651 | d*=u; | |
1652 | *data=d; | |
1653 | return 1; | |
1654 | } | |
1655 | else | |
1656 | { | |
1657 | filter->errmsg=CUS "missing number"; | |
1658 | return -1; | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | ||
1663 | /************************************************* | |
1664 | * Parse a string list * | |
1665 | *************************************************/ | |
1666 | ||
1667 | /* | |
1668 | Grammar: | |
1669 | string-list = "[" string *("," string) "]" / string | |
1670 | ||
1671 | Arguments: | |
1672 | filter points to the Sieve filter including its state | |
1673 | data returns string list | |
1674 | ||
1675 | Returns: 1 success | |
1676 | -1 no string list found | |
1677 | */ | |
1678 | ||
1679 | static int parse_stringlist(struct Sieve *filter, struct String **data) | |
1680 | { | |
1681 | const uschar *orig=filter->pc; | |
1682 | int dataCapacity=0; | |
1683 | int dataLength=0; | |
1684 | struct String *d=(struct String*)0; | |
1685 | int m; | |
1686 | ||
1687 | if (*filter->pc=='[') /* string list */ | |
1688 | { | |
1689 | ++filter->pc; | |
1690 | for (;;) | |
1691 | { | |
1692 | if (parse_white(filter)==-1) goto error; | |
1693 | if ((dataLength+1)>=dataCapacity) /* increase buffer */ | |
1694 | { | |
1695 | struct String *new; | |
1696 | int newCapacity; /* Don't amalgamate with next line; some compilers grumble */ | |
1697 | newCapacity=dataCapacity?(dataCapacity*=2):(dataCapacity=4); | |
1698 | if ((new=(struct String*)store_get(sizeof(struct String)*newCapacity))==(struct String*)0) | |
1699 | { | |
1700 | filter->errmsg=CUstrerror(errno); | |
1701 | goto error; | |
1702 | } | |
1703 | if (d) memcpy(new,d,sizeof(struct String)*dataLength); | |
1704 | d=new; | |
1705 | dataCapacity=newCapacity; | |
1706 | } | |
1707 | m=parse_string(filter,&d[dataLength]); | |
1708 | if (m==0) | |
1709 | { | |
1710 | if (dataLength==0) break; | |
1711 | else | |
1712 | { | |
1713 | filter->errmsg=CUS "missing string"; | |
1714 | goto error; | |
1715 | } | |
1716 | } | |
1717 | else if (m==-1) goto error; | |
1718 | else ++dataLength; | |
1719 | if (parse_white(filter)==-1) goto error; | |
1720 | if (*filter->pc==',') ++filter->pc; | |
1721 | else break; | |
1722 | } | |
1723 | if (*filter->pc==']') | |
1724 | { | |
1725 | d[dataLength].character=(uschar*)0; | |
1726 | d[dataLength].length=-1; | |
1727 | ++filter->pc; | |
1728 | *data=d; | |
1729 | return 1; | |
1730 | } | |
1731 | else | |
1732 | { | |
1733 | filter->errmsg=CUS "missing closing bracket"; | |
1734 | goto error; | |
1735 | } | |
1736 | } | |
1737 | else /* single string */ | |
1738 | { | |
1739 | if ((d=store_get(sizeof(struct String)*2))==(struct String*)0) | |
1740 | { | |
1741 | return -1; | |
1742 | } | |
1743 | m=parse_string(filter,&d[0]); | |
1744 | if (m==-1) | |
1745 | { | |
1746 | return -1; | |
1747 | } | |
1748 | else if (m==0) | |
1749 | { | |
1750 | filter->pc=orig; | |
1751 | return 0; | |
1752 | } | |
1753 | else | |
1754 | { | |
1755 | d[1].character=(uschar*)0; | |
1756 | d[1].length=-1; | |
1757 | *data=d; | |
1758 | return 1; | |
1759 | } | |
1760 | } | |
1761 | error: | |
1762 | filter->errmsg=CUS "missing string list"; | |
1763 | return -1; | |
1764 | } | |
1765 | ||
1766 | ||
1767 | /************************************************* | |
1768 | * Parse an optional address part specifier * | |
1769 | *************************************************/ | |
1770 | ||
1771 | /* | |
1772 | Grammar: | |
1773 | address-part = ":localpart" / ":domain" / ":all" | |
1774 | address-part =/ ":user" / ":detail" | |
1775 | ||
1776 | Arguments: | |
1777 | filter points to the Sieve filter including its state | |
1778 | a returns address part specified | |
1779 | ||
1780 | Returns: 1 success | |
1781 | 0 no comparator found | |
1782 | -1 syntax error | |
1783 | */ | |
1784 | ||
1785 | static int parse_addresspart(struct Sieve *filter, enum AddressPart *a) | |
1786 | { | |
1787 | #ifdef SUBADDRESS | |
1788 | if (parse_identifier(filter,CUS ":user")==1) | |
1789 | { | |
1790 | if (!filter->require_subaddress) | |
1791 | { | |
1792 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1793 | return -1; | |
1794 | } | |
1795 | *a=ADDRPART_USER; | |
1796 | return 1; | |
1797 | } | |
1798 | else if (parse_identifier(filter,CUS ":detail")==1) | |
1799 | { | |
1800 | if (!filter->require_subaddress) | |
1801 | { | |
1802 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1803 | return -1; | |
1804 | } | |
1805 | *a=ADDRPART_DETAIL; | |
1806 | return 1; | |
1807 | } | |
1808 | else | |
1809 | #endif | |
1810 | if (parse_identifier(filter,CUS ":localpart")==1) | |
1811 | { | |
1812 | *a=ADDRPART_LOCALPART; | |
1813 | return 1; | |
1814 | } | |
1815 | else if (parse_identifier(filter,CUS ":domain")==1) | |
1816 | { | |
1817 | *a=ADDRPART_DOMAIN; | |
1818 | return 1; | |
1819 | } | |
1820 | else if (parse_identifier(filter,CUS ":all")==1) | |
1821 | { | |
1822 | *a=ADDRPART_ALL; | |
1823 | return 1; | |
1824 | } | |
1825 | else return 0; | |
1826 | } | |
1827 | ||
1828 | ||
1829 | /************************************************* | |
1830 | * Parse an optional comparator * | |
1831 | *************************************************/ | |
1832 | ||
1833 | /* | |
1834 | Grammar: | |
1835 | comparator = ":comparator" <comparator-name: string> | |
1836 | ||
1837 | Arguments: | |
1838 | filter points to the Sieve filter including its state | |
1839 | c returns comparator | |
1840 | ||
1841 | Returns: 1 success | |
1842 | 0 no comparator found | |
1843 | -1 incomplete comparator found | |
1844 | */ | |
1845 | ||
1846 | static int parse_comparator(struct Sieve *filter, enum Comparator *c) | |
1847 | { | |
1848 | struct String comparator_name; | |
1849 | ||
1850 | if (parse_identifier(filter,CUS ":comparator")==0) return 0; | |
1851 | if (parse_white(filter)==-1) return -1; | |
1852 | switch (parse_string(filter,&comparator_name)) | |
1853 | { | |
1854 | case -1: return -1; | |
1855 | case 0: | |
1856 | { | |
1857 | filter->errmsg=CUS "missing comparator"; | |
1858 | return -1; | |
1859 | } | |
1860 | default: | |
1861 | { | |
1862 | int match; | |
1863 | ||
1864 | if (eq_asciicase(&comparator_name,&str_ioctet,0)) | |
1865 | { | |
1866 | *c=COMP_OCTET; | |
1867 | match=1; | |
1868 | } | |
1869 | else if (eq_asciicase(&comparator_name,&str_iascii_casemap,0)) | |
1870 | { | |
5ea81592 PH |
1871 | *c=COMP_EN_ASCII_CASEMAP; |
1872 | match=1; | |
1873 | } | |
1874 | else if (eq_asciicase(&comparator_name,&str_enascii_casemap,0)) | |
1875 | { | |
1876 | *c=COMP_EN_ASCII_CASEMAP; | |
059ec3d9 PH |
1877 | match=1; |
1878 | } | |
1879 | else if (eq_asciicase(&comparator_name,&str_iascii_numeric,0)) | |
1880 | { | |
1881 | *c=COMP_ASCII_NUMERIC; | |
1882 | match=1; | |
1883 | } | |
1884 | else | |
1885 | { | |
1886 | filter->errmsg=CUS "invalid comparator"; | |
1887 | match=-1; | |
1888 | } | |
1889 | return match; | |
1890 | } | |
1891 | } | |
1892 | } | |
1893 | ||
1894 | ||
1895 | /************************************************* | |
1896 | * Parse an optional match type * | |
1897 | *************************************************/ | |
1898 | ||
1899 | /* | |
1900 | Grammar: | |
1901 | match-type = ":is" / ":contains" / ":matches" | |
1902 | ||
1903 | Arguments: | |
1904 | filter points to the Sieve filter including its state | |
1905 | m returns match type | |
1906 | ||
1907 | Returns: 1 success | |
1908 | 0 no match type found | |
1909 | */ | |
1910 | ||
1911 | static int parse_matchtype(struct Sieve *filter, enum MatchType *m) | |
1912 | { | |
1913 | if (parse_identifier(filter,CUS ":is")==1) | |
1914 | { | |
1915 | *m=MATCH_IS; | |
1916 | return 1; | |
1917 | } | |
1918 | else if (parse_identifier(filter,CUS ":contains")==1) | |
1919 | { | |
1920 | *m=MATCH_CONTAINS; | |
1921 | return 1; | |
1922 | } | |
1923 | else if (parse_identifier(filter,CUS ":matches")==1) | |
1924 | { | |
1925 | *m=MATCH_MATCHES; | |
1926 | return 1; | |
1927 | } | |
1928 | else return 0; | |
1929 | } | |
1930 | ||
1931 | ||
1932 | /************************************************* | |
1933 | * Parse and interpret an optional test list * | |
1934 | *************************************************/ | |
1935 | ||
1936 | /* | |
1937 | Grammar: | |
1938 | test-list = "(" test *("," test) ")" | |
1939 | ||
1940 | Arguments: | |
1941 | filter points to the Sieve filter including its state | |
1942 | n total number of tests | |
deaf311d | 1943 | num_true number of passed tests |
059ec3d9 PH |
1944 | exec Execute parsed statements |
1945 | ||
1946 | Returns: 1 success | |
1947 | 0 no test list found | |
1948 | -1 syntax or execution error | |
1949 | */ | |
1950 | ||
f7572e5a | 1951 | static int parse_testlist(struct Sieve *filter, int *n, int *num_true, int exec) |
059ec3d9 PH |
1952 | { |
1953 | if (parse_white(filter)==-1) return -1; | |
1954 | if (*filter->pc=='(') | |
1955 | { | |
1956 | ++filter->pc; | |
1957 | *n=0; | |
f7572e5a | 1958 | *num_true=0; |
059ec3d9 PH |
1959 | for (;;) |
1960 | { | |
1961 | int cond; | |
1962 | ||
1963 | switch (parse_test(filter,&cond,exec)) | |
1964 | { | |
1965 | case -1: return -1; | |
1966 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
f7572e5a | 1967 | default: ++*n; if (cond) ++*num_true; break; |
059ec3d9 PH |
1968 | } |
1969 | if (parse_white(filter)==-1) return -1; | |
1970 | if (*filter->pc==',') ++filter->pc; | |
1971 | else break; | |
1972 | } | |
1973 | if (*filter->pc==')') | |
1974 | { | |
1975 | ++filter->pc; | |
1976 | return 1; | |
1977 | } | |
1978 | else | |
1979 | { | |
1980 | filter->errmsg=CUS "missing closing paren"; | |
1981 | return -1; | |
1982 | } | |
1983 | } | |
1984 | else return 0; | |
1985 | } | |
1986 | ||
1987 | ||
1988 | /************************************************* | |
1989 | * Parse and interpret an optional test * | |
1990 | *************************************************/ | |
1991 | ||
1992 | /* | |
1993 | Arguments: | |
1994 | filter points to the Sieve filter including its state | |
1995 | cond returned condition status | |
1996 | exec Execute parsed statements | |
1997 | ||
1998 | Returns: 1 success | |
1999 | 0 no test found | |
2000 | -1 syntax or execution error | |
2001 | */ | |
2002 | ||
2003 | static int parse_test(struct Sieve *filter, int *cond, int exec) | |
2004 | { | |
2005 | if (parse_white(filter)==-1) return -1; | |
2006 | if (parse_identifier(filter,CUS "address")) | |
2007 | { | |
2008 | /* | |
2009 | address-test = "address" { [address-part] [comparator] [match-type] } | |
2010 | <header-list: string-list> <key-list: string-list> | |
2011 | ||
2012 | header-list From, To, Cc, Bcc, Sender, Resent-From, Resent-To | |
2013 | */ | |
2014 | ||
2015 | enum AddressPart addressPart=ADDRPART_ALL; | |
5ea81592 | 2016 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2017 | enum MatchType matchType=MATCH_IS; |
2018 | struct String *hdr,*h,*key,*k; | |
2019 | int m; | |
2020 | int ap=0,co=0,mt=0; | |
2021 | ||
2022 | for (;;) | |
2023 | { | |
2024 | if (parse_white(filter)==-1) return -1; | |
2025 | if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2026 | { | |
2027 | if (m==-1) return -1; | |
2028 | if (ap) | |
2029 | { | |
2030 | filter->errmsg=CUS "address part already specified"; | |
2031 | return -1; | |
2032 | } | |
2033 | else ap=1; | |
2034 | } | |
2035 | else if ((m=parse_comparator(filter,&comparator))!=0) | |
2036 | { | |
2037 | if (m==-1) return -1; | |
2038 | if (co) | |
2039 | { | |
2040 | filter->errmsg=CUS "comparator already specified"; | |
2041 | return -1; | |
2042 | } | |
2043 | else co=1; | |
2044 | } | |
2045 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2046 | { | |
2047 | if (m==-1) return -1; | |
2048 | if (mt) | |
2049 | { | |
2050 | filter->errmsg=CUS "match type already specified"; | |
2051 | return -1; | |
2052 | } | |
2053 | else mt=1; | |
2054 | } | |
2055 | else break; | |
2056 | } | |
2057 | if (parse_white(filter)==-1) return -1; | |
2058 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2059 | { | |
2060 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2061 | return -1; | |
2062 | } | |
2063 | if (parse_white(filter)==-1) return -1; | |
2064 | if ((m=parse_stringlist(filter,&key))!=1) | |
2065 | { | |
2066 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2067 | return -1; | |
2068 | } | |
2069 | *cond=0; | |
2070 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2071 | { | |
2072 | uschar *header_value=(uschar*)0,*extracted_addr,*end_addr; | |
2073 | ||
2074 | if | |
2075 | ( | |
2076 | !eq_asciicase(h,&str_from,0) | |
2077 | && !eq_asciicase(h,&str_to,0) | |
2078 | && !eq_asciicase(h,&str_cc,0) | |
2079 | && !eq_asciicase(h,&str_bcc,0) | |
2080 | && !eq_asciicase(h,&str_sender,0) | |
2081 | && !eq_asciicase(h,&str_resent_from,0) | |
2082 | && !eq_asciicase(h,&str_resent_to,0) | |
2083 | ) | |
2084 | { | |
2085 | filter->errmsg=CUS "invalid header field"; | |
2086 | return -1; | |
2087 | } | |
2088 | if (exec) | |
2089 | { | |
2090 | /* We are only interested in addresses below, so no MIME decoding */ | |
2091 | header_value=expand_string(string_sprintf("$rheader_%s",quote(h))); | |
2092 | if (header_value == NULL) | |
2093 | { | |
2094 | filter->errmsg=CUS "header string expansion failed"; | |
2095 | return -1; | |
2096 | } | |
2097 | parse_allow_group = TRUE; | |
2098 | while (*header_value && !*cond) | |
2099 | { | |
2100 | uschar *error; | |
2101 | int start, end, domain; | |
2102 | int saveend; | |
2103 | uschar *part=NULL; | |
2104 | ||
2105 | end_addr = parse_find_address_end(header_value, FALSE); | |
2106 | saveend = *end_addr; | |
2107 | *end_addr = 0; | |
2108 | extracted_addr = parse_extract_address(header_value, &error, &start, &end, &domain, FALSE); | |
2109 | ||
2110 | if (extracted_addr) switch (addressPart) | |
2111 | { | |
2112 | case ADDRPART_ALL: part=extracted_addr; break; | |
2113 | #ifdef SUBADDRESS | |
2114 | case ADDRPART_USER: | |
2115 | #endif | |
2116 | case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break; | |
2117 | case ADDRPART_DOMAIN: part=extracted_addr+domain; break; | |
2118 | #ifdef SUBADDRESS | |
e4a89c47 | 2119 | case ADDRPART_DETAIL: part=NULL; break; |
059ec3d9 | 2120 | #endif |
059ec3d9 PH |
2121 | } |
2122 | ||
2123 | *end_addr = saveend; | |
2124 | if (part) | |
2125 | { | |
2126 | for (k=key; k->length!=-1; ++k) | |
2127 | { | |
2128 | struct String partStr; | |
2129 | ||
2130 | partStr.character=part; | |
2131 | partStr.length=Ustrlen(part); | |
2132 | if (extracted_addr) | |
2133 | { | |
2134 | *cond=compare(filter,k,&partStr,comparator,matchType); | |
2135 | if (*cond==-1) return -1; | |
2136 | if (*cond) break; | |
2137 | } | |
2138 | } | |
2139 | } | |
2140 | if (saveend == 0) break; | |
2141 | header_value = end_addr + 1; | |
2142 | } | |
1eccaa59 PH |
2143 | parse_allow_group = FALSE; |
2144 | parse_found_group = FALSE; | |
059ec3d9 PH |
2145 | } |
2146 | } | |
2147 | return 1; | |
2148 | } | |
2149 | else if (parse_identifier(filter,CUS "allof")) | |
2150 | { | |
2151 | /* | |
2152 | allof-test = "allof" <tests: test-list> | |
2153 | */ | |
2154 | ||
f7572e5a | 2155 | int n,num_true; |
059ec3d9 | 2156 | |
f7572e5a | 2157 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2158 | { |
2159 | case -1: return -1; | |
2160 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2161 | default: *cond=(n==num_true); return 1; |
059ec3d9 PH |
2162 | } |
2163 | } | |
2164 | else if (parse_identifier(filter,CUS "anyof")) | |
2165 | { | |
2166 | /* | |
2167 | anyof-test = "anyof" <tests: test-list> | |
2168 | */ | |
2169 | ||
f7572e5a | 2170 | int n,num_true; |
059ec3d9 | 2171 | |
f7572e5a | 2172 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2173 | { |
2174 | case -1: return -1; | |
2175 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2176 | default: *cond=(num_true>0); return 1; |
059ec3d9 PH |
2177 | } |
2178 | } | |
2179 | else if (parse_identifier(filter,CUS "exists")) | |
2180 | { | |
2181 | /* | |
2182 | exists-test = "exists" <header-names: string-list> | |
2183 | */ | |
2184 | ||
2185 | struct String *hdr,*h; | |
2186 | int m; | |
2187 | ||
2188 | if (parse_white(filter)==-1) return -1; | |
2189 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2190 | { | |
2191 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2192 | return -1; | |
2193 | } | |
2194 | if (exec) | |
2195 | { | |
2196 | *cond=1; | |
2197 | for (h=hdr; h->length!=-1 && *cond; ++h) | |
2198 | { | |
2199 | uschar *header_def; | |
2200 | ||
2201 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2202 | if (header_def == NULL) | |
2203 | { | |
2204 | filter->errmsg=CUS "header string expansion failed"; | |
2205 | return -1; | |
2206 | } | |
2207 | if (Ustrcmp(header_def,"false")==0) *cond=0; | |
2208 | } | |
2209 | } | |
2210 | return 1; | |
2211 | } | |
2212 | else if (parse_identifier(filter,CUS "false")) | |
2213 | { | |
2214 | /* | |
2215 | false-test = "false" | |
2216 | */ | |
2217 | ||
2218 | *cond=0; | |
2219 | return 1; | |
2220 | } | |
2221 | else if (parse_identifier(filter,CUS "header")) | |
2222 | { | |
2223 | /* | |
2224 | header-test = "header" { [comparator] [match-type] } | |
2225 | <header-names: string-list> <key-list: string-list> | |
2226 | */ | |
2227 | ||
5ea81592 | 2228 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2229 | enum MatchType matchType=MATCH_IS; |
2230 | struct String *hdr,*h,*key,*k; | |
2231 | int m; | |
2232 | int co=0,mt=0; | |
2233 | ||
2234 | for (;;) | |
2235 | { | |
2236 | if (parse_white(filter)==-1) return -1; | |
2237 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2238 | { | |
2239 | if (m==-1) return -1; | |
2240 | if (co) | |
2241 | { | |
2242 | filter->errmsg=CUS "comparator already specified"; | |
2243 | return -1; | |
2244 | } | |
2245 | else co=1; | |
2246 | } | |
2247 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2248 | { | |
2249 | if (m==-1) return -1; | |
2250 | if (mt) | |
2251 | { | |
2252 | filter->errmsg=CUS "match type already specified"; | |
2253 | return -1; | |
2254 | } | |
2255 | else mt=1; | |
2256 | } | |
2257 | else break; | |
2258 | } | |
2259 | if (parse_white(filter)==-1) return -1; | |
2260 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2261 | { | |
2262 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2263 | return -1; | |
2264 | } | |
2265 | if (parse_white(filter)==-1) return -1; | |
2266 | if ((m=parse_stringlist(filter,&key))!=1) | |
2267 | { | |
2268 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2269 | return -1; | |
2270 | } | |
2271 | *cond=0; | |
2272 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2273 | { | |
2274 | if (!is_header(h)) | |
2275 | { | |
2276 | filter->errmsg=CUS "invalid header field"; | |
2277 | return -1; | |
2278 | } | |
2279 | if (exec) | |
2280 | { | |
2281 | struct String header_value; | |
2282 | uschar *header_def; | |
2283 | ||
2284 | expand_header(&header_value,h); | |
2285 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2286 | if (header_value.character == NULL || header_def == NULL) | |
2287 | { | |
2288 | filter->errmsg=CUS "header string expansion failed"; | |
2289 | return -1; | |
2290 | } | |
2291 | for (k=key; k->length!=-1; ++k) | |
2292 | { | |
2293 | if (Ustrcmp(header_def,"true")==0) | |
2294 | { | |
2295 | *cond=compare(filter,k,&header_value,comparator,matchType); | |
2296 | if (*cond==-1) return -1; | |
2297 | if (*cond) break; | |
2298 | } | |
2299 | } | |
2300 | } | |
2301 | } | |
2302 | return 1; | |
2303 | } | |
2304 | else if (parse_identifier(filter,CUS "not")) | |
2305 | { | |
2306 | if (parse_white(filter)==-1) return -1; | |
2307 | switch (parse_test(filter,cond,exec)) | |
2308 | { | |
2309 | case -1: return -1; | |
2310 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
2311 | default: *cond=!*cond; return 1; | |
2312 | } | |
2313 | } | |
2314 | else if (parse_identifier(filter,CUS "size")) | |
2315 | { | |
2316 | /* | |
2317 | relop = ":over" / ":under" | |
2318 | size-test = "size" relop <limit: number> | |
2319 | */ | |
2320 | ||
2321 | unsigned long limit; | |
2322 | int overNotUnder; | |
2323 | ||
2324 | if (parse_white(filter)==-1) return -1; | |
2325 | if (parse_identifier(filter,CUS ":over")) overNotUnder=1; | |
2326 | else if (parse_identifier(filter,CUS ":under")) overNotUnder=0; | |
2327 | else | |
2328 | { | |
2329 | filter->errmsg=CUS "missing :over or :under"; | |
2330 | return -1; | |
2331 | } | |
2332 | if (parse_white(filter)==-1) return -1; | |
2333 | if (parse_number(filter,&limit)==-1) return -1; | |
2334 | *cond=(overNotUnder ? (message_size>limit) : (message_size<limit)); | |
2335 | return 1; | |
2336 | } | |
2337 | else if (parse_identifier(filter,CUS "true")) | |
2338 | { | |
2339 | *cond=1; | |
2340 | return 1; | |
2341 | } | |
2342 | else if (parse_identifier(filter,CUS "envelope")) | |
2343 | { | |
2344 | /* | |
2345 | envelope-test = "envelope" { [comparator] [address-part] [match-type] } | |
2346 | <envelope-part: string-list> <key-list: string-list> | |
2347 | ||
2348 | envelope-part is case insensitive "from" or "to" | |
024bd3c2 PH |
2349 | #ifdef ENVELOPE_AUTH |
2350 | envelope-part =/ "auth" | |
2351 | #endif | |
059ec3d9 PH |
2352 | */ |
2353 | ||
5ea81592 | 2354 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2355 | enum AddressPart addressPart=ADDRPART_ALL; |
2356 | enum MatchType matchType=MATCH_IS; | |
2357 | struct String *env,*e,*key,*k; | |
2358 | int m; | |
2359 | int co=0,ap=0,mt=0; | |
2360 | ||
2361 | if (!filter->require_envelope) | |
2362 | { | |
2363 | filter->errmsg=CUS "missing previous require \"envelope\";"; | |
2364 | return -1; | |
2365 | } | |
2366 | for (;;) | |
2367 | { | |
2368 | if (parse_white(filter)==-1) return -1; | |
2369 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2370 | { | |
2371 | if (m==-1) return -1; | |
2372 | if (co) | |
2373 | { | |
2374 | filter->errmsg=CUS "comparator already specified"; | |
2375 | return -1; | |
2376 | } | |
2377 | else co=1; | |
2378 | } | |
2379 | else if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2380 | { | |
2381 | if (m==-1) return -1; | |
2382 | if (ap) | |
2383 | { | |
2384 | filter->errmsg=CUS "address part already specified"; | |
2385 | return -1; | |
2386 | } | |
2387 | else ap=1; | |
2388 | } | |
2389 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2390 | { | |
2391 | if (m==-1) return -1; | |
2392 | if (mt) | |
2393 | { | |
2394 | filter->errmsg=CUS "match type already specified"; | |
2395 | return -1; | |
2396 | } | |
2397 | else mt=1; | |
2398 | } | |
2399 | else break; | |
2400 | } | |
2401 | if (parse_white(filter)==-1) return -1; | |
2402 | if ((m=parse_stringlist(filter,&env))!=1) | |
2403 | { | |
2404 | if (m==0) filter->errmsg=CUS "envelope string list expected"; | |
2405 | return -1; | |
2406 | } | |
2407 | if (parse_white(filter)==-1) return -1; | |
2408 | if ((m=parse_stringlist(filter,&key))!=1) | |
2409 | { | |
2410 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2411 | return -1; | |
2412 | } | |
2413 | *cond=0; | |
87fcc8b9 | 2414 | for (e=env; e->length!=-1 && !*cond; ++e) |
059ec3d9 PH |
2415 | { |
2416 | const uschar *envelopeExpr=CUS 0; | |
2417 | uschar *envelope=US 0; | |
2418 | ||
2419 | if (eq_asciicase(e,&str_from,0)) | |
2420 | { | |
2421 | switch (addressPart) | |
2422 | { | |
2423 | case ADDRPART_ALL: envelopeExpr=CUS "$sender_address"; break; | |
2424 | #ifdef SUBADDRESS | |
2425 | case ADDRPART_USER: | |
2426 | #endif | |
2427 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break; | |
2428 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break; | |
2429 | #ifdef SUBADDRESS | |
e4a89c47 | 2430 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; |
059ec3d9 PH |
2431 | #endif |
2432 | } | |
2433 | } | |
2434 | else if (eq_asciicase(e,&str_to,0)) | |
2435 | { | |
2436 | switch (addressPart) | |
2437 | { | |
2438 | case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break; | |
2439 | #ifdef SUBADDRESS | |
e4a89c47 PH |
2440 | case ADDRPART_USER: envelopeExpr=filter->useraddress; break; |
2441 | case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break; | |
059ec3d9 PH |
2442 | #endif |
2443 | case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break; | |
2444 | case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break; | |
2445 | } | |
2446 | } | |
024bd3c2 PH |
2447 | #ifdef ENVELOPE_AUTH |
2448 | else if (eq_asciicase(e,&str_auth,0)) | |
2449 | { | |
2450 | switch (addressPart) | |
2451 | { | |
2452 | case ADDRPART_ALL: envelopeExpr=CUS "$authenticated_sender"; break; | |
2453 | #ifdef SUBADDRESS | |
2454 | case ADDRPART_USER: | |
2455 | #endif | |
2456 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$authenticated_sender}"; break; | |
2457 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$authenticated_sender}"; break; | |
2458 | #ifdef SUBADDRESS | |
2459 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; | |
2460 | #endif | |
2461 | } | |
2462 | } | |
2463 | #endif | |
059ec3d9 PH |
2464 | else |
2465 | { | |
2466 | filter->errmsg=CUS "invalid envelope string"; | |
2467 | return -1; | |
2468 | } | |
2469 | if (exec && envelopeExpr) | |
2470 | { | |
2471 | if ((envelope=expand_string(US envelopeExpr)) == NULL) | |
2472 | { | |
2473 | filter->errmsg=CUS "header string expansion failed"; | |
2474 | return -1; | |
2475 | } | |
2476 | for (k=key; k->length!=-1; ++k) | |
2477 | { | |
2478 | struct String envelopeStr; | |
2479 | ||
2480 | envelopeStr.character=envelope; | |
2481 | envelopeStr.length=Ustrlen(envelope); | |
7fe1560f | 2482 | *cond=compare(filter,k,&envelopeStr,comparator,matchType); |
059ec3d9 PH |
2483 | if (*cond==-1) return -1; |
2484 | if (*cond) break; | |
2485 | } | |
2486 | } | |
2487 | } | |
2488 | return 1; | |
2489 | } | |
7c5214ec | 2490 | #ifdef ENOTIFY |
d6a60c0f | 2491 | else if (parse_identifier(filter,CUS "valid_notify_method")) |
7c5214ec PH |
2492 | { |
2493 | /* | |
d6a60c0f PH |
2494 | valid_notify_method = "valid_notify_method" |
2495 | <notification-uris: string-list> | |
7c5214ec PH |
2496 | */ |
2497 | ||
2498 | struct String *uris,*u; | |
2499 | int m; | |
2500 | ||
2501 | if (!filter->require_enotify) | |
2502 | { | |
2503 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2504 | return -1; | |
2505 | } | |
2506 | if (parse_white(filter)==-1) return -1; | |
2507 | if ((m=parse_stringlist(filter,&uris))!=1) | |
2508 | { | |
2509 | if (m==0) filter->errmsg=CUS "URI string list expected"; | |
2510 | return -1; | |
2511 | } | |
2512 | if (exec) | |
2513 | { | |
2514 | *cond=1; | |
2515 | for (u=uris; u->length!=-1 && *cond; ++u) | |
2516 | { | |
2517 | string_item *recipient; | |
4be39b49 | 2518 | struct String header,subject,body; |
7c5214ec PH |
2519 | |
2520 | recipient=NULL; | |
2521 | header.length=-1; | |
2522 | header.character=(uschar*)0; | |
4be39b49 MH |
2523 | subject.length=-1; |
2524 | subject.character=(uschar*)0; | |
7c5214ec PH |
2525 | body.length=-1; |
2526 | body.character=(uschar*)0; | |
4be39b49 | 2527 | if (parse_mailto_uri(filter,u->character,&recipient,&header,&subject,&body)!=1) |
7c5214ec PH |
2528 | *cond=0; |
2529 | } | |
2530 | } | |
2531 | return 1; | |
2532 | } | |
d6a60c0f PH |
2533 | else if (parse_identifier(filter,CUS "notify_method_capability")) |
2534 | { | |
2535 | /* | |
2536 | notify_method_capability = "notify_method_capability" [COMPARATOR] [MATCH-TYPE] | |
2537 | <notification-uri: string> | |
2538 | <notification-capability: string> | |
2539 | <key-list: string-list> | |
2540 | */ | |
2541 | ||
2542 | int m; | |
2543 | int co=0,mt=0; | |
2544 | ||
2545 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; | |
2546 | enum MatchType matchType=MATCH_IS; | |
2547 | struct String uri,capa,*keys,*k; | |
2548 | ||
2549 | if (!filter->require_enotify) | |
2550 | { | |
2551 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2552 | return -1; | |
2553 | } | |
2554 | for (;;) | |
2555 | { | |
2556 | if (parse_white(filter)==-1) return -1; | |
2557 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2558 | { | |
2559 | if (m==-1) return -1; | |
2560 | if (co) | |
2561 | { | |
2562 | filter->errmsg=CUS "comparator already specified"; | |
2563 | return -1; | |
2564 | } | |
2565 | else co=1; | |
2566 | } | |
2567 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2568 | { | |
2569 | if (m==-1) return -1; | |
2570 | if (mt) | |
2571 | { | |
2572 | filter->errmsg=CUS "match type already specified"; | |
2573 | return -1; | |
2574 | } | |
2575 | else mt=1; | |
2576 | } | |
2577 | else break; | |
2578 | } | |
2579 | if ((m=parse_string(filter,&uri))!=1) | |
2580 | { | |
2581 | if (m==0) filter->errmsg=CUS "missing notification URI string"; | |
2582 | return -1; | |
2583 | } | |
2584 | if (parse_white(filter)==-1) return -1; | |
2585 | if ((m=parse_string(filter,&capa))!=1) | |
2586 | { | |
2587 | if (m==0) filter->errmsg=CUS "missing notification capability string"; | |
2588 | return -1; | |
2589 | } | |
2590 | if (parse_white(filter)==-1) return -1; | |
2591 | if ((m=parse_stringlist(filter,&keys))!=1) | |
2592 | { | |
2593 | if (m==0) filter->errmsg=CUS "missing key string list"; | |
2594 | return -1; | |
2595 | } | |
2596 | if (exec) | |
2597 | { | |
2598 | string_item *recipient; | |
4be39b49 | 2599 | struct String header,subject,body; |
d6a60c0f PH |
2600 | |
2601 | *cond=0; | |
2602 | recipient=NULL; | |
2603 | header.length=-1; | |
2604 | header.character=(uschar*)0; | |
4be39b49 MH |
2605 | subject.length=-1; |
2606 | subject.character=(uschar*)0; | |
d6a60c0f PH |
2607 | body.length=-1; |
2608 | body.character=(uschar*)0; | |
4be39b49 | 2609 | if (parse_mailto_uri(filter,uri.character,&recipient,&header,&subject,&body)==1) |
d6a60c0f PH |
2610 | { |
2611 | if (eq_asciicase(&capa,&str_online,0)==1) | |
2612 | for (k=keys; k->length!=-1; ++k) | |
2613 | { | |
2614 | *cond=compare(filter,k,&str_maybe,comparator,matchType); | |
2615 | if (*cond==-1) return -1; | |
2616 | if (*cond) break; | |
2617 | } | |
2618 | } | |
2619 | } | |
2620 | return 1; | |
2621 | } | |
7c5214ec | 2622 | #endif |
059ec3d9 PH |
2623 | else return 0; |
2624 | } | |
2625 | ||
2626 | ||
2627 | /************************************************* | |
2628 | * Parse and interpret an optional block * | |
2629 | *************************************************/ | |
2630 | ||
2631 | /* | |
2632 | Arguments: | |
2633 | filter points to the Sieve filter including its state | |
2634 | exec Execute parsed statements | |
2635 | generated where to hang newly-generated addresses | |
2636 | ||
2637 | Returns: 2 success by stop | |
2638 | 1 other success | |
2639 | 0 no block command found | |
2640 | -1 syntax or execution error | |
2641 | */ | |
2642 | ||
2643 | static int parse_block(struct Sieve *filter, int exec, | |
2644 | address_item **generated) | |
2645 | { | |
2646 | int r; | |
2647 | ||
2648 | if (parse_white(filter)==-1) return -1; | |
2649 | if (*filter->pc=='{') | |
2650 | { | |
2651 | ++filter->pc; | |
2652 | if ((r=parse_commands(filter,exec,generated))==-1 || r==2) return r; | |
2653 | if (*filter->pc=='}') | |
2654 | { | |
2655 | ++filter->pc; | |
2656 | return 1; | |
2657 | } | |
2658 | else | |
2659 | { | |
8e669ac1 | 2660 | filter->errmsg=CUS "expecting command or closing brace"; |
059ec3d9 PH |
2661 | return -1; |
2662 | } | |
2663 | } | |
2664 | else return 0; | |
2665 | } | |
2666 | ||
2667 | ||
2668 | /************************************************* | |
2669 | * Match a semicolon * | |
2670 | *************************************************/ | |
2671 | ||
2672 | /* | |
2673 | Arguments: | |
2674 | filter points to the Sieve filter including its state | |
2675 | ||
2676 | Returns: 1 success | |
2677 | -1 syntax error | |
2678 | */ | |
2679 | ||
2680 | static int parse_semicolon(struct Sieve *filter) | |
2681 | { | |
2682 | if (parse_white(filter)==-1) return -1; | |
2683 | if (*filter->pc==';') | |
2684 | { | |
2685 | ++filter->pc; | |
2686 | return 1; | |
2687 | } | |
2688 | else | |
2689 | { | |
2690 | filter->errmsg=CUS "missing semicolon"; | |
2691 | return -1; | |
2692 | } | |
2693 | } | |
2694 | ||
2695 | ||
2696 | /************************************************* | |
2697 | * Parse and interpret a Sieve command * | |
2698 | *************************************************/ | |
2699 | ||
2700 | /* | |
2701 | Arguments: | |
2702 | filter points to the Sieve filter including its state | |
2703 | exec Execute parsed statements | |
2704 | generated where to hang newly-generated addresses | |
2705 | ||
2706 | Returns: 2 success by stop | |
2707 | 1 other success | |
2708 | -1 syntax or execution error | |
2709 | */ | |
2710 | static int parse_commands(struct Sieve *filter, int exec, | |
2711 | address_item **generated) | |
2712 | { | |
2713 | while (*filter->pc) | |
2714 | { | |
2715 | if (parse_white(filter)==-1) return -1; | |
2716 | if (parse_identifier(filter,CUS "if")) | |
2717 | { | |
2718 | /* | |
2719 | if-command = "if" test block *( "elsif" test block ) [ else block ] | |
2720 | */ | |
2721 | ||
2722 | int cond,m,unsuccessful; | |
2723 | ||
2724 | /* test block */ | |
2725 | if (parse_white(filter)==-1) return -1; | |
2726 | if ((m=parse_test(filter,&cond,exec))==-1) return -1; | |
2727 | if (m==0) | |
2728 | { | |
2729 | filter->errmsg=CUS "missing test"; | |
2730 | return -1; | |
2731 | } | |
87fcc8b9 PH |
2732 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2733 | (debug_selector & D_filter) != 0) | |
2734 | { | |
2735 | if (exec) debug_printf("if %s\n",cond?"true":"false"); | |
2736 | } | |
059ec3d9 PH |
2737 | m=parse_block(filter,exec ? cond : 0, generated); |
2738 | if (m==-1 || m==2) return m; | |
2739 | if (m==0) | |
2740 | { | |
2741 | filter->errmsg=CUS "missing block"; | |
2742 | return -1; | |
2743 | } | |
2744 | unsuccessful = !cond; | |
2745 | for (;;) /* elsif test block */ | |
2746 | { | |
2747 | if (parse_white(filter)==-1) return -1; | |
2748 | if (parse_identifier(filter,CUS "elsif")) | |
2749 | { | |
2750 | if (parse_white(filter)==-1) return -1; | |
2751 | m=parse_test(filter,&cond,exec && unsuccessful); | |
2752 | if (m==-1 || m==2) return m; | |
2753 | if (m==0) | |
2754 | { | |
2755 | filter->errmsg=CUS "missing test"; | |
2756 | return -1; | |
2757 | } | |
87fcc8b9 PH |
2758 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2759 | (debug_selector & D_filter) != 0) | |
2760 | { | |
2761 | if (exec) debug_printf("elsif %s\n",cond?"true":"false"); | |
2762 | } | |
059ec3d9 PH |
2763 | m=parse_block(filter,exec && unsuccessful ? cond : 0, generated); |
2764 | if (m==-1 || m==2) return m; | |
2765 | if (m==0) | |
2766 | { | |
2767 | filter->errmsg=CUS "missing block"; | |
2768 | return -1; | |
2769 | } | |
2770 | if (exec && unsuccessful && cond) unsuccessful = 0; | |
2771 | } | |
2772 | else break; | |
2773 | } | |
2774 | /* else block */ | |
2775 | if (parse_white(filter)==-1) return -1; | |
2776 | if (parse_identifier(filter,CUS "else")) | |
2777 | { | |
2778 | m=parse_block(filter,exec && unsuccessful, generated); | |
2779 | if (m==-1 || m==2) return m; | |
2780 | if (m==0) | |
2781 | { | |
2782 | filter->errmsg=CUS "missing block"; | |
2783 | return -1; | |
2784 | } | |
2785 | } | |
2786 | } | |
2787 | else if (parse_identifier(filter,CUS "stop")) | |
2788 | { | |
2789 | /* | |
2790 | stop-command = "stop" { stop-options } ";" | |
2791 | stop-options = | |
2792 | */ | |
2793 | ||
2794 | if (parse_semicolon(filter)==-1) return -1; | |
2795 | if (exec) | |
2796 | { | |
2797 | filter->pc+=Ustrlen(filter->pc); | |
2798 | return 2; | |
2799 | } | |
2800 | } | |
2801 | else if (parse_identifier(filter,CUS "keep")) | |
2802 | { | |
2803 | /* | |
2804 | keep-command = "keep" { keep-options } ";" | |
2805 | keep-options = | |
2806 | */ | |
2807 | ||
2808 | if (parse_semicolon(filter)==-1) return -1; | |
2809 | if (exec) | |
2810 | { | |
2811 | add_addr(generated,US"inbox",1,0,0,0); | |
2812 | filter->keep = 0; | |
2813 | } | |
2814 | } | |
2815 | else if (parse_identifier(filter,CUS "discard")) | |
2816 | { | |
2817 | /* | |
2818 | discard-command = "discard" { discard-options } ";" | |
2819 | discard-options = | |
2820 | */ | |
2821 | ||
2822 | if (parse_semicolon(filter)==-1) return -1; | |
2823 | if (exec) filter->keep=0; | |
2824 | } | |
2825 | else if (parse_identifier(filter,CUS "redirect")) | |
2826 | { | |
2827 | /* | |
2828 | redirect-command = "redirect" redirect-options "string" ";" | |
2829 | redirect-options = | |
2830 | redirect-options =) ":copy" | |
2831 | */ | |
2832 | ||
2833 | struct String recipient; | |
2834 | int m; | |
2835 | int copy=0; | |
2836 | ||
2837 | for (;;) | |
2838 | { | |
2839 | if (parse_white(filter)==-1) return -1; | |
2840 | if (parse_identifier(filter,CUS ":copy")==1) | |
2841 | { | |
2842 | if (!filter->require_copy) | |
2843 | { | |
2844 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2845 | return -1; | |
2846 | } | |
2847 | copy=1; | |
2848 | } | |
2849 | else break; | |
2850 | } | |
2851 | if (parse_white(filter)==-1) return -1; | |
2852 | if ((m=parse_string(filter,&recipient))!=1) | |
2853 | { | |
2854 | if (m==0) filter->errmsg=CUS "missing redirect recipient string"; | |
2855 | return -1; | |
2856 | } | |
2857 | if (strchr(CCS recipient.character,'@')==(char*)0) | |
2858 | { | |
2859 | filter->errmsg=CUS "unqualified recipient address"; | |
2860 | return -1; | |
2861 | } | |
2862 | if (exec) | |
2863 | { | |
2864 | add_addr(generated,recipient.character,0,0,0,0); | |
2865 | if (!copy) filter->keep = 0; | |
2866 | } | |
2867 | if (parse_semicolon(filter)==-1) return -1; | |
2868 | } | |
2869 | else if (parse_identifier(filter,CUS "fileinto")) | |
2870 | { | |
2871 | /* | |
2872 | fileinto-command = "fileinto" { fileinto-options } string ";" | |
2873 | fileinto-options = | |
2874 | fileinto-options =) [ ":copy" ] | |
87fcc8b9 | 2875 | */ |
059ec3d9 PH |
2876 | |
2877 | struct String folder; | |
2878 | uschar *s; | |
2879 | int m; | |
2880 | unsigned long maxage, maxmessages, maxstorage; | |
2881 | int copy=0; | |
2882 | ||
2883 | maxage = maxmessages = maxstorage = 0; | |
2884 | if (!filter->require_fileinto) | |
2885 | { | |
2886 | filter->errmsg=CUS "missing previous require \"fileinto\";"; | |
2887 | return -1; | |
2888 | } | |
2889 | for (;;) | |
2890 | { | |
2891 | if (parse_white(filter)==-1) return -1; | |
2892 | if (parse_identifier(filter,CUS ":copy")==1) | |
2893 | { | |
2894 | if (!filter->require_copy) | |
2895 | { | |
2896 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2897 | return -1; | |
2898 | } | |
2899 | copy=1; | |
2900 | } | |
2901 | else break; | |
2902 | } | |
2903 | if (parse_white(filter)==-1) return -1; | |
2904 | if ((m=parse_string(filter,&folder))!=1) | |
2905 | { | |
2906 | if (m==0) filter->errmsg=CUS "missing fileinto folder string"; | |
2907 | return -1; | |
2908 | } | |
2909 | m=0; s=folder.character; | |
2910 | if (folder.length==0) m=1; | |
2911 | if (Ustrcmp(s,"..")==0 || Ustrncmp(s,"../",3)==0) m=1; | |
2912 | else while (*s) | |
2913 | { | |
2914 | if (Ustrcmp(s,"/..")==0 || Ustrncmp(s,"/../",4)==0) { m=1; break; } | |
2915 | ++s; | |
2916 | } | |
2917 | if (m) | |
2918 | { | |
2919 | filter->errmsg=CUS "invalid folder"; | |
2920 | return -1; | |
2921 | } | |
2922 | if (exec) | |
2923 | { | |
2924 | add_addr(generated, folder.character, 1, maxage, maxmessages, maxstorage); | |
2925 | if (!copy) filter->keep = 0; | |
2926 | } | |
2927 | if (parse_semicolon(filter)==-1) return -1; | |
2928 | } | |
7c5214ec | 2929 | #ifdef ENOTIFY |
87fcc8b9 PH |
2930 | else if (parse_identifier(filter,CUS "notify")) |
2931 | { | |
2932 | /* | |
7c5214ec PH |
2933 | notify-command = "notify" { notify-options } <method: string> ";" |
2934 | notify-options = [":from" string] | |
2935 | [":importance" <"1" / "2" / "3">] | |
2936 | [":options" 1*(string-list / number)] | |
87fcc8b9 PH |
2937 | [":message" string] |
2938 | */ | |
2939 | ||
2940 | int m; | |
7c5214ec PH |
2941 | struct String from; |
2942 | struct String importance; | |
2943 | struct String *options; | |
87fcc8b9 | 2944 | struct String message; |
7c5214ec | 2945 | struct String method; |
50c99ba6 PH |
2946 | struct Notification *already; |
2947 | string_item *recipient; | |
7c5214ec | 2948 | struct String header; |
4be39b49 | 2949 | struct String subject; |
50c99ba6 | 2950 | struct String body; |
c61f2b4f | 2951 | uschar *envelope_from; |
c66441d7 MH |
2952 | struct String auto_submitted_value; |
2953 | uschar *auto_submitted_def; | |
87fcc8b9 | 2954 | |
7c5214ec | 2955 | if (!filter->require_enotify) |
87fcc8b9 | 2956 | { |
7c5214ec | 2957 | filter->errmsg=CUS "missing previous require \"enotify\";"; |
87fcc8b9 PH |
2958 | return -1; |
2959 | } | |
7c5214ec PH |
2960 | from.character=(uschar*)0; |
2961 | from.length=-1; | |
2962 | importance.character=(uschar*)0; | |
2963 | importance.length=-1; | |
2964 | options=(struct String*)0; | |
87fcc8b9 PH |
2965 | message.character=(uschar*)0; |
2966 | message.length=-1; | |
50c99ba6 | 2967 | recipient=NULL; |
7c5214ec PH |
2968 | header.length=-1; |
2969 | header.character=(uschar*)0; | |
4be39b49 MH |
2970 | subject.length=-1; |
2971 | subject.character=(uschar*)0; | |
50c99ba6 PH |
2972 | body.length=-1; |
2973 | body.character=(uschar*)0; | |
c61f2b4f | 2974 | envelope_from=(sender_address && sender_address[0]) ? expand_string("$local_part_prefix$local_part$local_part_suffix@$domain") : US ""; |
87fcc8b9 PH |
2975 | for (;;) |
2976 | { | |
2977 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 2978 | if (parse_identifier(filter,CUS ":from")==1) |
87fcc8b9 PH |
2979 | { |
2980 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 2981 | if ((m=parse_string(filter,&from))!=1) |
87fcc8b9 | 2982 | { |
7c5214ec | 2983 | if (m==0) filter->errmsg=CUS "from string expected"; |
87fcc8b9 PH |
2984 | return -1; |
2985 | } | |
50c99ba6 | 2986 | } |
7c5214ec | 2987 | else if (parse_identifier(filter,CUS ":importance")==1) |
50c99ba6 PH |
2988 | { |
2989 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 2990 | if ((m=parse_string(filter,&importance))!=1) |
50c99ba6 | 2991 | { |
7c5214ec PH |
2992 | if (m==0) filter->errmsg=CUS "importance string expected"; |
2993 | return -1; | |
2994 | } | |
2995 | if (importance.length!=1 || importance.character[0]<'1' || importance.character[0]>'3') | |
2996 | { | |
2997 | filter->errmsg=CUS "invalid importance"; | |
50c99ba6 PH |
2998 | return -1; |
2999 | } | |
87fcc8b9 | 3000 | } |
7c5214ec PH |
3001 | else if (parse_identifier(filter,CUS ":options")==1) |
3002 | { | |
3003 | if (parse_white(filter)==-1) return -1; | |
3004 | } | |
87fcc8b9 PH |
3005 | else if (parse_identifier(filter,CUS ":message")==1) |
3006 | { | |
3007 | if (parse_white(filter)==-1) return -1; | |
3008 | if ((m=parse_string(filter,&message))!=1) | |
3009 | { | |
3010 | if (m==0) filter->errmsg=CUS "message string expected"; | |
3011 | return -1; | |
3012 | } | |
3013 | } | |
3014 | else break; | |
3015 | } | |
7c5214ec PH |
3016 | if (parse_white(filter)==-1) return -1; |
3017 | if ((m=parse_string(filter,&method))!=1) | |
3018 | { | |
3019 | if (m==0) filter->errmsg=CUS "missing method string"; | |
3020 | return -1; | |
3021 | } | |
87fcc8b9 | 3022 | if (parse_semicolon(filter)==-1) return -1; |
4be39b49 MH |
3023 | if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1) |
3024 | return -1; | |
c61f2b4f | 3025 | if (exec) |
50c99ba6 | 3026 | { |
c61f2b4f MH |
3027 | if (message.length==-1) message=subject; |
3028 | if (message.length==-1) expand_header(&message,&str_subject); | |
3029 | expand_header(&auto_submitted_value,&str_auto_submitted); | |
3030 | auto_submitted_def=expand_string(string_sprintf("${if def:header_auto-submitted {true}{false}}")); | |
3031 | if (auto_submitted_value.character == NULL || auto_submitted_def == NULL) | |
50c99ba6 | 3032 | { |
c61f2b4f MH |
3033 | filter->errmsg=CUS "header string expansion failed"; |
3034 | return -1; | |
50c99ba6 | 3035 | } |
c61f2b4f | 3036 | if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0) |
7c5214ec | 3037 | { |
c61f2b4f | 3038 | for (already=filter->notified; already; already=already->next) |
7c5214ec | 3039 | { |
c61f2b4f MH |
3040 | if (already->method.length==method.length |
3041 | && (method.length==-1 || strcmp(already->method.character,method.character)==0) | |
3042 | && already->importance.length==importance.length | |
3043 | && (importance.length==-1 || strcmp(already->importance.character,importance.character)==0) | |
3044 | && already->message.length==message.length | |
3045 | && (message.length==-1 || strcmp(already->message.character,message.character)==0)) | |
3046 | break; | |
c66441d7 | 3047 | } |
c61f2b4f MH |
3048 | if (already==(struct Notification*)0) |
3049 | /* New notification, process it */ | |
c66441d7 | 3050 | { |
c61f2b4f MH |
3051 | struct Notification *sent; |
3052 | sent=store_get(sizeof(struct Notification)); | |
3053 | sent->method=method; | |
3054 | sent->importance=importance; | |
3055 | sent->message=message; | |
3056 | sent->next=filter->notified; | |
3057 | filter->notified=sent; | |
3058 | #ifndef COMPILE_SYNTAX_CHECKER | |
3059 | if (filter_test == FTEST_NONE) | |
d2ee6114 | 3060 | { |
c61f2b4f | 3061 | string_item *p; |
c61f2b4f MH |
3062 | int pid,fd; |
3063 | ||
3064 | if ((pid = child_open_exim2(&fd,envelope_from,envelope_from))>=1) | |
c66441d7 | 3065 | { |
c61f2b4f MH |
3066 | FILE *f; |
3067 | uschar *buffer; | |
3068 | int buffer_capacity; | |
3069 | ||
3070 | f = fdopen(fd, "wb"); | |
c61f2b4f MH |
3071 | fprintf(f,"From: %s\n",from.length==-1 ? expand_string("$local_part_prefix$local_part$local_part_suffix@$domain") : from.character); |
3072 | for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); | |
5f71124d | 3073 | fprintf(f,"Auto-Submitted: auto-notified; %s\n",filter->enotify_mailto_owner); |
c61f2b4f MH |
3074 | if (header.length>0) fprintf(f,"%s",header.character); |
3075 | if (message.length==-1) | |
3076 | { | |
3077 | message.character=US"Notification"; | |
3078 | message.length=Ustrlen(message.character); | |
3079 | } | |
3080 | /* Allocation is larger than neccessary, but enough even for split MIME words */ | |
3081 | buffer_capacity=32+4*message.length; | |
3082 | buffer=store_get(buffer_capacity); | |
3083 | if (message.length!=-1) fprintf(f,"Subject: %s\n",parse_quote_2047(message.character, message.length, US"utf-8", buffer, buffer_capacity, TRUE)); | |
3084 | fprintf(f,"\n"); | |
3085 | if (body.length>0) fprintf(f,"%s\n",body.character); | |
3086 | fflush(f); | |
3087 | (void)fclose(f); | |
3088 | (void)child_close(pid, 0); | |
c66441d7 | 3089 | } |
d2ee6114 | 3090 | } |
c61f2b4f MH |
3091 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
3092 | { | |
3093 | debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS ""); | |
3094 | } | |
7c5214ec | 3095 | #endif |
c61f2b4f MH |
3096 | } |
3097 | else | |
3098 | { | |
3099 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3100 | { | |
3101 | debug_printf("Repeated notification to `%s' ignored.\n",method.character); | |
3102 | } | |
3103 | } | |
c66441d7 MH |
3104 | } |
3105 | else | |
3106 | { | |
3107 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3108 | { | |
c61f2b4f | 3109 | debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n"); |
c66441d7 MH |
3110 | } |
3111 | } | |
7c5214ec | 3112 | } |
87fcc8b9 PH |
3113 | } |
3114 | #endif | |
059ec3d9 PH |
3115 | #ifdef VACATION |
3116 | else if (parse_identifier(filter,CUS "vacation")) | |
3117 | { | |
3118 | /* | |
3119 | vacation-command = "vacation" { vacation-options } <reason: string> ";" | |
3120 | vacation-options = [":days" number] | |
059ec3d9 | 3121 | [":subject" string] |
f656d135 PH |
3122 | [":from" string] |
3123 | [":addresses" string-list] | |
059ec3d9 | 3124 | [":mime"] |
f656d135 | 3125 | [":handle" string] |
059ec3d9 PH |
3126 | */ |
3127 | ||
3128 | int m; | |
3129 | unsigned long days; | |
059ec3d9 | 3130 | struct String subject; |
f656d135 PH |
3131 | struct String from; |
3132 | struct String *addresses; | |
059ec3d9 PH |
3133 | int reason_is_mime; |
3134 | string_item *aliases; | |
f656d135 | 3135 | struct String handle; |
059ec3d9 PH |
3136 | struct String reason; |
3137 | ||
3138 | if (!filter->require_vacation) | |
3139 | { | |
3140 | filter->errmsg=CUS "missing previous require \"vacation\";"; | |
3141 | return -1; | |
3142 | } | |
3143 | if (exec) | |
3144 | { | |
3145 | if (filter->vacation_ran) | |
3146 | { | |
3147 | filter->errmsg=CUS "trying to execute vacation more than once"; | |
3148 | return -1; | |
3149 | } | |
3150 | filter->vacation_ran=1; | |
3151 | } | |
3152 | days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7; | |
3153 | subject.character=(uschar*)0; | |
3154 | subject.length=-1; | |
f656d135 PH |
3155 | from.character=(uschar*)0; |
3156 | from.length=-1; | |
3157 | addresses=(struct String*)0; | |
059ec3d9 PH |
3158 | aliases=NULL; |
3159 | reason_is_mime=0; | |
f656d135 PH |
3160 | handle.character=(uschar*)0; |
3161 | handle.length=-1; | |
059ec3d9 PH |
3162 | for (;;) |
3163 | { | |
3164 | if (parse_white(filter)==-1) return -1; | |
3165 | if (parse_identifier(filter,CUS ":days")==1) | |
3166 | { | |
3167 | if (parse_white(filter)==-1) return -1; | |
3168 | if (parse_number(filter,&days)==-1) return -1; | |
3169 | if (days<VACATION_MIN_DAYS) days=VACATION_MIN_DAYS; | |
3170 | else if (days>VACATION_MAX_DAYS) days=VACATION_MAX_DAYS; | |
3171 | } | |
f656d135 PH |
3172 | else if (parse_identifier(filter,CUS ":subject")==1) |
3173 | { | |
3174 | if (parse_white(filter)==-1) return -1; | |
3175 | if ((m=parse_string(filter,&subject))!=1) | |
3176 | { | |
3177 | if (m==0) filter->errmsg=CUS "subject string expected"; | |
3178 | return -1; | |
3179 | } | |
3180 | } | |
3181 | else if (parse_identifier(filter,CUS ":from")==1) | |
3182 | { | |
f656d135 PH |
3183 | if (parse_white(filter)==-1) return -1; |
3184 | if ((m=parse_string(filter,&from))!=1) | |
3185 | { | |
3186 | if (m==0) filter->errmsg=CUS "from string expected"; | |
3187 | return -1; | |
3188 | } | |
7c5214ec | 3189 | if (check_mail_address(filter,&from)!=1) |
f656d135 | 3190 | return -1; |
f656d135 | 3191 | } |
059ec3d9 PH |
3192 | else if (parse_identifier(filter,CUS ":addresses")==1) |
3193 | { | |
3194 | struct String *a; | |
3195 | ||
3196 | if (parse_white(filter)==-1) return -1; | |
3197 | if ((m=parse_stringlist(filter,&addresses))!=1) | |
3198 | { | |
3199 | if (m==0) filter->errmsg=CUS "addresses string list expected"; | |
3200 | return -1; | |
3201 | } | |
3202 | for (a=addresses; a->length!=-1; ++a) | |
3203 | { | |
3204 | string_item *new; | |
3205 | ||
3206 | new=store_get(sizeof(string_item)); | |
3207 | new->text=store_get(a->length+1); | |
3208 | if (a->length) memcpy(new->text,a->character,a->length); | |
3209 | new->text[a->length]='\0'; | |
3210 | new->next=aliases; | |
3211 | aliases=new; | |
3212 | } | |
3213 | } | |
f656d135 PH |
3214 | else if (parse_identifier(filter,CUS ":mime")==1) |
3215 | reason_is_mime=1; | |
3216 | else if (parse_identifier(filter,CUS ":handle")==1) | |
059ec3d9 PH |
3217 | { |
3218 | if (parse_white(filter)==-1) return -1; | |
f656d135 | 3219 | if ((m=parse_string(filter,&from))!=1) |
059ec3d9 | 3220 | { |
f656d135 | 3221 | if (m==0) filter->errmsg=CUS "handle string expected"; |
059ec3d9 PH |
3222 | return -1; |
3223 | } | |
3224 | } | |
059ec3d9 PH |
3225 | else break; |
3226 | } | |
3227 | if (parse_white(filter)==-1) return -1; | |
3228 | if ((m=parse_string(filter,&reason))!=1) | |
3229 | { | |
3230 | if (m==0) filter->errmsg=CUS "missing reason string"; | |
3231 | return -1; | |
3232 | } | |
5ea81592 PH |
3233 | if (reason_is_mime) |
3234 | { | |
3235 | uschar *s,*end; | |
3236 | ||
3237 | for (s=reason.character,end=reason.character+reason.length; s<end && (*s&0x80)==0; ++s); | |
3238 | if (s<end) | |
3239 | { | |
3240 | filter->errmsg=CUS "MIME reason string contains 8bit text"; | |
3241 | return -1; | |
3242 | } | |
3243 | } | |
059ec3d9 PH |
3244 | if (parse_semicolon(filter)==-1) return -1; |
3245 | ||
3246 | if (exec) | |
3247 | { | |
3248 | address_item *addr; | |
3249 | int capacity,start; | |
3250 | uschar *buffer; | |
3251 | int buffer_capacity; | |
3252 | struct String key; | |
3253 | md5 base; | |
3254 | uschar digest[16]; | |
3255 | uschar hexdigest[33]; | |
3256 | int i; | |
3257 | uschar *once; | |
3258 | ||
3259 | if (filter_personal(aliases,TRUE)) | |
3260 | { | |
4929acf0 PH |
3261 | if (filter_test == FTEST_NONE) |
3262 | { | |
3263 | /* ensure oncelog directory exists; failure will be detected later */ | |
059ec3d9 | 3264 | |
4929acf0 PH |
3265 | (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); |
3266 | } | |
059ec3d9 PH |
3267 | /* build oncelog filename */ |
3268 | ||
3269 | key.character=(uschar*)0; | |
3270 | key.length=0; | |
3271 | capacity=0; | |
f656d135 | 3272 | if (handle.length==-1) |
8e669ac1 | 3273 | { |
f656d135 PH |
3274 | if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.length); |
3275 | if (from.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,from.character,from.length); | |
3276 | key.character=string_cat(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1); | |
3277 | key.character=string_cat(key.character,&capacity,&key.length,reason.character,reason.length); | |
8e669ac1 | 3278 | } |
f656d135 PH |
3279 | else |
3280 | key=handle; | |
059ec3d9 PH |
3281 | md5_start(&base); |
3282 | md5_end(&base, key.character, key.length, digest); | |
3283 | for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); | |
50c99ba6 | 3284 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3285 | { |
4929acf0 | 3286 | debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest); |
059ec3d9 | 3287 | } |
50c99ba6 | 3288 | if (filter_test == FTEST_NONE) |
059ec3d9 | 3289 | { |
4929acf0 PH |
3290 | capacity=Ustrlen(filter->vacation_directory); |
3291 | start=capacity; | |
3292 | once=string_cat(filter->vacation_directory,&capacity,&start,US"/",1); | |
3293 | once=string_cat(once,&capacity,&start,hexdigest,33); | |
3294 | once[start] = '\0'; | |
3295 | ||
3296 | /* process subject */ | |
3297 | ||
3298 | if (subject.length==-1) | |
3299 | { | |
50c99ba6 PH |
3300 | uschar *subject_def; |
3301 | ||
3302 | subject_def=expand_string(US"${if def:header_subject {true}{false}}"); | |
3303 | if (Ustrcmp(subject_def,"true")==0) | |
3304 | { | |
3305 | expand_header(&subject,&str_subject); | |
3306 | capacity=6; | |
3307 | start=6; | |
3308 | subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); | |
3309 | subject.length=start; | |
3310 | } | |
3311 | else | |
3312 | { | |
3313 | subject.character=US"Automated reply"; | |
3314 | subject.length=Ustrlen(subject.character); | |
3315 | } | |
4929acf0 PH |
3316 | } |
3317 | ||
3318 | /* add address to list of generated addresses */ | |
3319 | ||
3320 | addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); | |
3321 | setflag(addr, af_pfr); | |
3322 | setflag(addr, af_ignore_error); | |
3323 | addr->next = *generated; | |
3324 | *generated = addr; | |
3325 | addr->reply = store_get(sizeof(reply_item)); | |
3326 | memset(addr->reply,0,sizeof(reply_item)); /* XXX */ | |
3327 | addr->reply->to = string_copy(sender_address); | |
f656d135 PH |
3328 | if (from.length==-1) |
3329 | addr->reply->from = expand_string(US"$local_part@$domain"); | |
3330 | else | |
3331 | addr->reply->from = from.character; | |
4929acf0 | 3332 | /* Allocation is larger than neccessary, but enough even for split MIME words */ |
50c99ba6 | 3333 | buffer_capacity=32+4*subject.length; |
4929acf0 | 3334 | buffer=store_get(buffer_capacity); |
46218253 | 3335 | addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); |
4929acf0 PH |
3336 | addr->reply->oncelog=once; |
3337 | addr->reply->once_repeat=days*86400; | |
3338 | ||
3339 | /* build body and MIME headers */ | |
3340 | ||
3341 | if (reason_is_mime) | |
3342 | { | |
3343 | uschar *mime_body,*reason_end; | |
4929acf0 | 3344 | static const uschar nlnl[]="\r\n\r\n"; |
059ec3d9 | 3345 | |
4929acf0 PH |
3346 | for |
3347 | ( | |
3348 | mime_body=reason.character,reason_end=reason.character+reason.length; | |
50c99ba6 | 3349 | mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1)); |
4929acf0 PH |
3350 | ++mime_body |
3351 | ); | |
3352 | capacity = 0; | |
3353 | start = 0; | |
3354 | addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character); | |
3355 | addr->reply->headers[start] = '\0'; | |
3356 | capacity = 0; | |
3357 | start = 0; | |
50c99ba6 | 3358 | if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=(sizeof(nlnl)-1); |
4929acf0 PH |
3359 | else mime_body=reason_end-1; |
3360 | addr->reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); | |
3361 | addr->reply->text[start] = '\0'; | |
3362 | } | |
3363 | else | |
3364 | { | |
91ecef39 | 3365 | struct String qp = { NULL, 0 }; /* Keep compiler happy (PH) */ |
4929acf0 PH |
3366 | |
3367 | capacity = 0; | |
3368 | start = reason.length; | |
3369 | addr->reply->headers = US"MIME-Version: 1.0\n" | |
3370 | "Content-Type: text/plain;\n" | |
3371 | "\tcharset=\"utf-8\"\n" | |
3372 | "Content-Transfer-Encoding: quoted-printable"; | |
3373 | addr->reply->text = quoted_printable_encode(&reason,&qp)->character; | |
3374 | } | |
059ec3d9 | 3375 | } |
4929acf0 | 3376 | } |
50c99ba6 | 3377 | else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3378 | { |
4929acf0 | 3379 | debug_printf("Sieve: mail was not personal, vacation would ignore it\n"); |
059ec3d9 | 3380 | } |
059ec3d9 PH |
3381 | } |
3382 | } | |
4929acf0 | 3383 | else break; |
059ec3d9 | 3384 | #endif |
059ec3d9 PH |
3385 | } |
3386 | return 1; | |
3387 | } | |
3388 | ||
3389 | ||
3390 | /************************************************* | |
3391 | * Parse and interpret a sieve filter * | |
3392 | *************************************************/ | |
3393 | ||
3394 | /* | |
3395 | Arguments: | |
3396 | filter points to the Sieve filter including its state | |
3397 | exec Execute parsed statements | |
3398 | generated where to hang newly-generated addresses | |
3399 | ||
3400 | Returns: 1 success | |
3401 | -1 syntax or execution error | |
3402 | */ | |
3403 | ||
3404 | static int parse_start(struct Sieve *filter, int exec, | |
3405 | address_item **generated) | |
3406 | { | |
3407 | filter->pc=filter->filter; | |
3408 | filter->line=1; | |
3409 | filter->keep=1; | |
3410 | filter->require_envelope=0; | |
3411 | filter->require_fileinto=0; | |
84024b72 PH |
3412 | #ifdef ENCODED_CHARACTER |
3413 | filter->require_encoded_character=0; | |
3414 | #endif | |
024bd3c2 PH |
3415 | #ifdef ENVELOPE_AUTH |
3416 | filter->require_envelope_auth=0; | |
3417 | #endif | |
7c5214ec PH |
3418 | #ifdef ENOTIFY |
3419 | filter->require_enotify=0; | |
50c99ba6 | 3420 | filter->notified=(struct Notification*)0; |
87fcc8b9 | 3421 | #endif |
059ec3d9 PH |
3422 | #ifdef SUBADDRESS |
3423 | filter->require_subaddress=0; | |
3424 | #endif | |
3425 | #ifdef VACATION | |
3426 | filter->require_vacation=0; | |
3427 | filter->vacation_ran=0; | |
3428 | #endif | |
3429 | filter->require_copy=0; | |
3430 | filter->require_iascii_numeric=0; | |
3431 | ||
3432 | if (parse_white(filter)==-1) return -1; | |
3433 | ||
4929acf0 | 3434 | if (exec && filter->vacation_directory != NULL && filter_test == FTEST_NONE) |
059ec3d9 PH |
3435 | { |
3436 | DIR *oncelogdir; | |
3437 | struct dirent *oncelog; | |
3438 | struct stat properties; | |
3439 | time_t now; | |
3440 | ||
3441 | /* clean up old vacation log databases */ | |
3442 | ||
3443 | oncelogdir=opendir(CS filter->vacation_directory); | |
3444 | ||
3445 | if (oncelogdir ==(DIR*)0 && errno != ENOENT) | |
3446 | { | |
3447 | filter->errmsg=CUS "unable to open vacation directory"; | |
3448 | return -1; | |
3449 | } | |
3450 | ||
3451 | if (oncelogdir != NULL) | |
3452 | { | |
3453 | time(&now); | |
3454 | ||
3455 | while ((oncelog=readdir(oncelogdir))!=(struct dirent*)0) | |
3456 | { | |
3457 | if (strlen(oncelog->d_name)==32) | |
3458 | { | |
3459 | uschar *s=string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name); | |
3460 | if (Ustat(s,&properties)==0 && (properties.st_mtime+VACATION_MAX_DAYS*86400)<now) | |
3461 | Uunlink(s); | |
3462 | } | |
3463 | } | |
3464 | closedir(oncelogdir); | |
3465 | } | |
3466 | } | |
3467 | ||
3468 | while (parse_identifier(filter,CUS "require")) | |
3469 | { | |
3470 | /* | |
3471 | require-command = "require" <capabilities: string-list> | |
3472 | */ | |
3473 | ||
3474 | struct String *cap,*check; | |
3475 | int m; | |
3476 | ||
3477 | if (parse_white(filter)==-1) return -1; | |
3478 | if ((m=parse_stringlist(filter,&cap))!=1) | |
3479 | { | |
3480 | if (m==0) filter->errmsg=CUS "capability string list expected"; | |
3481 | return -1; | |
3482 | } | |
3483 | for (check=cap; check->character; ++check) | |
3484 | { | |
5ea81592 PH |
3485 | if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1; |
3486 | else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1; | |
84024b72 PH |
3487 | #ifdef ENCODED_CHARACTER |
3488 | else if (eq_octet(check,&str_encoded_character,0)) filter->require_encoded_character=1; | |
3489 | #endif | |
024bd3c2 PH |
3490 | #ifdef ENVELOPE_AUTH |
3491 | else if (eq_octet(check,&str_envelope_auth,0)) filter->require_envelope_auth=1; | |
3492 | #endif | |
7c5214ec | 3493 | #ifdef ENOTIFY |
efd9a422 MH |
3494 | else if (eq_octet(check,&str_enotify,0)) |
3495 | { | |
3496 | if (filter->enotify_mailto_owner == NULL) | |
3497 | { | |
3498 | filter->errmsg=CUS "enotify disabled"; | |
3499 | return -1; | |
3500 | } | |
3501 | filter->require_enotify=1; | |
3502 | } | |
87fcc8b9 | 3503 | #endif |
059ec3d9 | 3504 | #ifdef SUBADDRESS |
5ea81592 | 3505 | else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; |
059ec3d9 PH |
3506 | #endif |
3507 | #ifdef VACATION | |
5ea81592 | 3508 | else if (eq_octet(check,&str_vacation,0)) |
059ec3d9 | 3509 | { |
4929acf0 | 3510 | if (filter_test == FTEST_NONE && filter->vacation_directory == NULL) |
059ec3d9 PH |
3511 | { |
3512 | filter->errmsg=CUS "vacation disabled"; | |
3513 | return -1; | |
3514 | } | |
3515 | filter->require_vacation=1; | |
3516 | } | |
3517 | #endif | |
5ea81592 PH |
3518 | else if (eq_octet(check,&str_copy,0)) filter->require_copy=1; |
3519 | else if (eq_octet(check,&str_comparator_ioctet,0)) ; | |
3520 | else if (eq_octet(check,&str_comparator_iascii_casemap,0)) ; | |
3521 | else if (eq_octet(check,&str_comparator_enascii_casemap,0)) ; | |
3522 | else if (eq_octet(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; | |
059ec3d9 PH |
3523 | else |
3524 | { | |
3525 | filter->errmsg=CUS "unknown capability"; | |
3526 | return -1; | |
3527 | } | |
3528 | } | |
3529 | if (parse_semicolon(filter)==-1) return -1; | |
3530 | } | |
3531 | if (parse_commands(filter,exec,generated)==-1) return -1; | |
3532 | if (*filter->pc) | |
3533 | { | |
3534 | filter->errmsg=CUS "syntax error"; | |
3535 | return -1; | |
3536 | } | |
3537 | return 1; | |
3538 | } | |
3539 | ||
3540 | ||
3541 | /************************************************* | |
3542 | * Interpret a sieve filter file * | |
3543 | *************************************************/ | |
3544 | ||
3545 | /* | |
3546 | Arguments: | |
3547 | filter points to the entire file, read into store as a single string | |
3548 | options controls whether various special things are allowed, and requests | |
3549 | special actions (not currently used) | |
efd9a422 MH |
3550 | vacation_directory where to store vacation "once" files |
3551 | enotify_mailto_owner owner of mailto notifications | |
e4a89c47 PH |
3552 | useraddress string expression for :user part of address |
3553 | subaddress string expression for :subaddress part of address | |
059ec3d9 PH |
3554 | generated where to hang newly-generated addresses |
3555 | error where to pass back an error text | |
3556 | ||
3557 | Returns: FF_DELIVERED success, a significant action was taken | |
3558 | FF_NOTDELIVERED success, no significant action | |
3559 | FF_DEFER defer requested | |
3560 | FF_FAIL fail requested | |
3561 | FF_FREEZE freeze requested | |
3562 | FF_ERROR there was a problem | |
3563 | */ | |
3564 | ||
3565 | int | |
3566 | sieve_interpret(uschar *filter, int options, uschar *vacation_directory, | |
efd9a422 MH |
3567 | uschar *enotify_mailto_owner, uschar *useraddress, uschar *subaddress, |
3568 | address_item **generated, uschar **error) | |
059ec3d9 PH |
3569 | { |
3570 | struct Sieve sieve; | |
3571 | int r; | |
3572 | uschar *msg; | |
3573 | ||
3574 | options = options; /* Keep picky compilers happy */ | |
3575 | error = error; | |
3576 | ||
3577 | DEBUG(D_route) debug_printf("Sieve: start of processing\n"); | |
3578 | sieve.filter=filter; | |
3579 | ||
3580 | if (vacation_directory == NULL) | |
3581 | sieve.vacation_directory = NULL; | |
3582 | else | |
3583 | { | |
3584 | sieve.vacation_directory=expand_string(vacation_directory); | |
3585 | if (sieve.vacation_directory == NULL) | |
3586 | { | |
3587 | *error = string_sprintf("failed to expand \"%s\" " | |
3588 | "(sieve_vacation_directory): %s", vacation_directory, | |
3589 | expand_string_message); | |
3590 | return FF_ERROR; | |
3591 | } | |
3592 | } | |
3593 | ||
efd9a422 MH |
3594 | if (enotify_mailto_owner == NULL) |
3595 | sieve.enotify_mailto_owner = NULL; | |
3596 | else | |
3597 | { | |
3598 | sieve.enotify_mailto_owner=expand_string(enotify_mailto_owner); | |
3599 | if (sieve.enotify_mailto_owner == NULL) | |
3600 | { | |
3601 | *error = string_sprintf("failed to expand \"%s\" " | |
3602 | "(sieve_enotify_mailto_owner): %s", enotify_mailto_owner, | |
3603 | expand_string_message); | |
3604 | return FF_ERROR; | |
3605 | } | |
3606 | } | |
3607 | ||
e4a89c47 PH |
3608 | sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress; |
3609 | sieve.subaddress = subaddress; | |
3610 | ||
059ec3d9 PH |
3611 | #ifdef COMPILE_SYNTAX_CHECKER |
3612 | if (parse_start(&sieve,0,generated)==1) | |
3613 | #else | |
3614 | if (parse_start(&sieve,1,generated)==1) | |
3615 | #endif | |
3616 | { | |
3617 | if (sieve.keep) | |
3618 | { | |
3619 | add_addr(generated,US"inbox",1,0,0,0); | |
1c59d63b | 3620 | msg = string_sprintf("Implicit keep"); |
059ec3d9 PH |
3621 | r = FF_DELIVERED; |
3622 | } | |
1c59d63b | 3623 | else |
059ec3d9 | 3624 | { |
1c59d63b | 3625 | msg = string_sprintf("No implicit keep"); |
059ec3d9 PH |
3626 | r = FF_DELIVERED; |
3627 | } | |
3628 | } | |
3629 | else | |
3630 | { | |
3631 | msg = string_sprintf("Sieve error: %s in line %d",sieve.errmsg,sieve.line); | |
3632 | #ifdef COMPILE_SYNTAX_CHECKER | |
3633 | r = FF_ERROR; | |
3634 | *error = msg; | |
3635 | #else | |
3636 | add_addr(generated,US"inbox",1,0,0,0); | |
3637 | r = FF_DELIVERED; | |
3638 | #endif | |
3639 | } | |
3640 | ||
3641 | #ifndef COMPILE_SYNTAX_CHECKER | |
f05da2e8 | 3642 | if (filter_test != FTEST_NONE) printf("%s\n", (const char*) msg); |
059ec3d9 PH |
3643 | else debug_printf("%s\n", msg); |
3644 | #endif | |
3645 | ||
3646 | DEBUG(D_route) debug_printf("Sieve: end of processing\n"); | |
3647 | return r; | |
3648 | } |