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46218253 | 1 | /* $Cambridge: exim/src/src/sieve.c,v 1.19 2006/03/08 11:13:07 ph10 Exp $ */ |
059ec3d9 PH |
2 | |
3 | /************************************************* | |
4 | * Exim - an Internet mail transport agent * | |
5 | *************************************************/ | |
6 | ||
50c99ba6 | 7 | /* Copyright (c) Michael Haardt 2003-2006 */ |
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 | ||
024bd3c2 PH |
31 | /* Define this for development of the Sieve extension "envelope-auth". */ |
32 | #undef ENVELOPE_AUTH | |
33 | ||
87fcc8b9 PH |
34 | /* Define this for development of the Sieve extension "notify". */ |
35 | #undef NOTIFY | |
36 | ||
37 | /* Define this for the Sieve extension "subaddress". */ | |
5ea81592 | 38 | #define SUBADDRESS |
059ec3d9 | 39 | |
87fcc8b9 | 40 | /* Define this for the Sieve extension "vacation". */ |
059ec3d9 PH |
41 | #define VACATION |
42 | ||
43 | /* Must be >= 1 */ | |
44 | #define VACATION_MIN_DAYS 1 | |
45 | /* Must be >= VACATION_MIN_DAYS, must be > 7, should be > 30 */ | |
46 | #define VACATION_MAX_DAYS 31 | |
47 | ||
48 | /* Keep this at 75 to accept only RFC compliant MIME words. */ | |
49 | /* Increase it if you want to match headers from buggy MUAs. */ | |
50 | #define MIMEWORD_LENGTH 75 | |
51 | ||
52 | struct Sieve | |
53 | { | |
54 | uschar *filter; | |
55 | const uschar *pc; | |
56 | int line; | |
57 | const uschar *errmsg; | |
58 | int keep; | |
59 | int require_envelope; | |
60 | int require_fileinto; | |
024bd3c2 PH |
61 | #ifdef ENVELOPE_AUTH |
62 | int require_envelope_auth; | |
63 | #endif | |
87fcc8b9 PH |
64 | #ifdef NOTIFY |
65 | int require_notify; | |
50c99ba6 | 66 | struct Notification *notified; |
87fcc8b9 | 67 | #endif |
059ec3d9 PH |
68 | #ifdef SUBADDRESS |
69 | int require_subaddress; | |
70 | #endif | |
71 | #ifdef VACATION | |
72 | int require_vacation; | |
73 | int vacation_ran; | |
74 | #endif | |
75 | uschar *vacation_directory; | |
e4a89c47 PH |
76 | const uschar *subaddress; |
77 | const uschar *useraddress; | |
059ec3d9 PH |
78 | int require_copy; |
79 | int require_iascii_numeric; | |
80 | }; | |
81 | ||
5ea81592 | 82 | enum Comparator { COMP_OCTET, COMP_EN_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; |
059ec3d9 PH |
83 | enum MatchType { MATCH_IS, MATCH_CONTAINS, MATCH_MATCHES }; |
84 | #ifdef SUBADDRESS | |
85 | enum AddressPart { ADDRPART_USER, ADDRPART_DETAIL, ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
86 | #else | |
87 | enum AddressPart { ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
88 | #endif | |
89 | enum RelOp { LT, LE, EQ, GE, GT, NE }; | |
90 | ||
91 | struct String | |
92 | { | |
93 | uschar *character; | |
94 | int length; | |
95 | }; | |
96 | ||
50c99ba6 PH |
97 | struct Notification |
98 | { | |
99 | struct String method; | |
100 | struct String priority; | |
101 | struct String message; | |
102 | struct Notification *next; | |
103 | }; | |
104 | ||
059ec3d9 PH |
105 | static int parse_test(struct Sieve *filter, int *cond, int exec); |
106 | static int parse_commands(struct Sieve *filter, int exec, address_item **generated); | |
107 | ||
108 | static uschar str_from_c[]="From"; | |
109 | static const struct String str_from={ str_from_c, 4 }; | |
110 | static uschar str_to_c[]="To"; | |
111 | static const struct String str_to={ str_to_c, 2 }; | |
112 | static uschar str_cc_c[]="Cc"; | |
113 | static const struct String str_cc={ str_cc_c, 2 }; | |
114 | static uschar str_bcc_c[]="Bcc"; | |
115 | static const struct String str_bcc={ str_bcc_c, 3 }; | |
024bd3c2 PH |
116 | static uschar str_auth_c[]="auth"; |
117 | static const struct String str_auth={ str_auth_c, 4 }; | |
059ec3d9 PH |
118 | static uschar str_sender_c[]="Sender"; |
119 | static const struct String str_sender={ str_sender_c, 6 }; | |
120 | static uschar str_resent_from_c[]="Resent-From"; | |
121 | static const struct String str_resent_from={ str_resent_from_c, 11 }; | |
122 | static uschar str_resent_to_c[]="Resent-To"; | |
123 | static const struct String str_resent_to={ str_resent_to_c, 9 }; | |
124 | static uschar str_fileinto_c[]="fileinto"; | |
125 | static const struct String str_fileinto={ str_fileinto_c, 8 }; | |
126 | static uschar str_envelope_c[]="envelope"; | |
127 | static const struct String str_envelope={ str_envelope_c, 8 }; | |
024bd3c2 PH |
128 | #ifdef ENVELOPE_AUTH |
129 | static uschar str_envelope_auth_c[]="envelope-auth"; | |
130 | static const struct String str_envelope_auth={ str_envelope_auth_c, 13 }; | |
131 | #endif | |
87fcc8b9 PH |
132 | #ifdef NOTIFY |
133 | static uschar str_notify_c[]="notify"; | |
134 | static const struct String str_notify={ str_notify_c, 6 }; | |
135 | #endif | |
059ec3d9 PH |
136 | #ifdef SUBADDRESS |
137 | static uschar str_subaddress_c[]="subaddress"; | |
138 | static const struct String str_subaddress={ str_subaddress_c, 10 }; | |
139 | #endif | |
140 | #ifdef VACATION | |
141 | static uschar str_vacation_c[]="vacation"; | |
142 | static const struct String str_vacation={ str_vacation_c, 8 }; | |
143 | static uschar str_subject_c[]="Subject"; | |
144 | static const struct String str_subject={ str_subject_c, 7 }; | |
145 | #endif | |
146 | static uschar str_copy_c[]="copy"; | |
147 | static const struct String str_copy={ str_copy_c, 4 }; | |
148 | static uschar str_iascii_casemap_c[]="i;ascii-casemap"; | |
149 | static const struct String str_iascii_casemap={ str_iascii_casemap_c, 15 }; | |
5ea81592 PH |
150 | static uschar str_enascii_casemap_c[]="en;ascii-casemap"; |
151 | static const struct String str_enascii_casemap={ str_enascii_casemap_c, 16 }; | |
059ec3d9 PH |
152 | static uschar str_ioctet_c[]="i;octet"; |
153 | static const struct String str_ioctet={ str_ioctet_c, 7 }; | |
154 | static uschar str_iascii_numeric_c[]="i;ascii-numeric"; | |
155 | static const struct String str_iascii_numeric={ str_iascii_numeric_c, 15 }; | |
156 | static uschar str_comparator_iascii_casemap_c[]="comparator-i;ascii-casemap"; | |
157 | static const struct String str_comparator_iascii_casemap={ str_comparator_iascii_casemap_c, 26 }; | |
5ea81592 PH |
158 | static uschar str_comparator_enascii_casemap_c[]="comparator-en;ascii-casemap"; |
159 | static const struct String str_comparator_enascii_casemap={ str_comparator_enascii_casemap_c, 27 }; | |
059ec3d9 PH |
160 | static uschar str_comparator_ioctet_c[]="comparator-i;octet"; |
161 | static const struct String str_comparator_ioctet={ str_comparator_ioctet_c, 18 }; | |
162 | static uschar str_comparator_iascii_numeric_c[]="comparator-i;ascii-numeric"; | |
163 | static const struct String str_comparator_iascii_numeric={ str_comparator_iascii_numeric_c, 26 }; | |
164 | ||
165 | ||
166 | /************************************************* | |
167 | * Encode to quoted-printable * | |
168 | *************************************************/ | |
169 | ||
170 | /* | |
171 | Arguments: | |
172 | src UTF-8 string | |
50c99ba6 PH |
173 | dst US-ASCII string |
174 | ||
175 | Returns | |
176 | dst | |
059ec3d9 PH |
177 | */ |
178 | ||
179 | static struct String *quoted_printable_encode(const struct String *src, struct String *dst) | |
180 | { | |
181 | int pass; | |
182 | const uschar *start,*end; | |
183 | uschar *new = NULL; | |
184 | uschar ch; | |
185 | size_t line; | |
186 | ||
187 | for (pass=0; pass<=1; ++pass) | |
188 | { | |
189 | line=0; | |
190 | if (pass==0) | |
191 | dst->length=0; | |
192 | else | |
193 | { | |
194 | dst->character=store_get(dst->length+1); /* plus one for \0 */ | |
195 | new=dst->character; | |
196 | } | |
197 | for (start=src->character,end=start+src->length; start<end; ++start) | |
198 | { | |
199 | ch=*start; | |
200 | if (line>=73) | |
201 | { | |
202 | if (pass==0) | |
203 | dst->length+=2; | |
204 | else | |
205 | { | |
206 | *new++='='; | |
207 | *new++='\n'; | |
208 | } | |
209 | line=0; | |
210 | } | |
211 | if | |
212 | ( | |
213 | (ch>=33 && ch<=60) | |
214 | || (ch>=62 && ch<=126) | |
215 | || | |
216 | ( | |
217 | (ch==9 || ch==32) | |
059ec3d9 PH |
218 | && start+2<end |
219 | && (*(start+1)!='\r' || *(start+2)!='\n') | |
059ec3d9 PH |
220 | ) |
221 | ) | |
222 | { | |
223 | if (pass==0) | |
224 | ++dst->length; | |
225 | else | |
226 | *new++=*start; | |
227 | ++line; | |
228 | } | |
059ec3d9 PH |
229 | else if (ch=='\r' && start+1<end && *(start+1)=='\n') |
230 | { | |
231 | if (pass==0) | |
232 | { | |
233 | ++dst->length; | |
234 | line=0; | |
059ec3d9 PH |
235 | } |
236 | else | |
237 | *new++='\n'; | |
238 | line=0; | |
50c99ba6 | 239 | ++start; |
059ec3d9 | 240 | } |
059ec3d9 PH |
241 | else |
242 | { | |
243 | if (pass==0) | |
244 | dst->length+=3; | |
245 | else | |
246 | { | |
247 | sprintf(CS new,"=%02X",ch); | |
248 | new+=3; | |
249 | } | |
250 | line+=3; | |
251 | } | |
252 | } | |
253 | } | |
254 | *new='\0'; /* not included in length, but nice */ | |
255 | return dst; | |
256 | } | |
257 | ||
258 | ||
50c99ba6 PH |
259 | /************************************************* |
260 | * Decode URI encoded string * | |
261 | *************************************************/ | |
262 | ||
263 | /* | |
264 | Arguments: | |
265 | str URI encoded string | |
266 | ||
267 | Returns | |
268 | 0 Decoding successful | |
269 | -1 Encoding error | |
270 | */ | |
271 | ||
272 | static int uri_decode(struct String *str) | |
273 | { | |
274 | uschar *s,*t,*e; | |
275 | ||
276 | if (str->length==0) return 0; | |
277 | for (s=str->character,t=s,e=s+str->length; s<e; ) | |
278 | { | |
279 | if (*s=='%') | |
280 | { | |
281 | if (s+2<e && isxdigit(*(s+1)) && isxdigit(*(s+2))) | |
282 | { | |
283 | *t++=((isdigit(*(s+1)) ? *(s+1)-'0' : tolower(*(s+1))-'a'+10)<<4) | |
284 | | (isdigit(*(s+2)) ? *(s+2)-'0' : tolower(*(s+2))-'a'+10); | |
285 | s+=3; | |
286 | } | |
287 | else return -1; | |
288 | } | |
289 | else | |
290 | *t++=*s++; | |
291 | } | |
292 | *t='\0'; | |
293 | str->length=t-str->character; | |
294 | return 0; | |
295 | } | |
296 | ||
297 | ||
298 | /************************************************* | |
299 | * Parse mailto URI * | |
300 | *************************************************/ | |
301 | ||
302 | /* | |
303 | Parse mailto-URI. | |
304 | ||
305 | mailtoURI = "mailto:" [ to ] [ headers ] | |
306 | to = [ addr-spec *("%2C" addr-spec ) ] | |
307 | headers = "?" header *( "&" header ) | |
308 | header = hname "=" hvalue | |
309 | hname = *urlc | |
310 | hvalue = *urlc | |
311 | ||
312 | Arguments: | |
313 | filter points to the Sieve filter including its state | |
314 | uri URI, excluding scheme | |
315 | ||
316 | Returns | |
317 | 1 URI is syntactically OK | |
318 | -1 syntax error | |
319 | */ | |
320 | ||
321 | int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *body) | |
322 | { | |
323 | const uschar *start; | |
324 | struct String to,hname,hvalue; | |
325 | int capacity; | |
326 | string_item *new; | |
327 | ||
328 | if (*uri && *uri!='?') | |
329 | for (;;) | |
330 | { | |
331 | /* match to */ | |
332 | for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri); | |
333 | if (uri>start) | |
334 | { | |
335 | capacity=0; | |
336 | to.character=(uschar*)0; | |
337 | to.length=0; | |
338 | to.character=string_cat(to.character,&capacity,&to.length,start,uri-start); | |
339 | to.character[to.length]='\0'; | |
340 | if (uri_decode(&to)==-1) | |
341 | { | |
342 | filter->errmsg=US"Invalid URI encoding"; | |
343 | return -1; | |
344 | } | |
345 | new=store_get(sizeof(string_item)); | |
346 | new->text=store_get(to.length+1); | |
347 | if (to.length) memcpy(new->text,to.character,to.length); | |
348 | new->text[to.length]='\0'; | |
349 | new->next=*recipient; | |
350 | *recipient=new; | |
351 | } | |
352 | else | |
353 | { | |
354 | filter->errmsg=US"Missing addr-spec in URI"; | |
355 | return -1; | |
356 | } | |
357 | if (*uri=='%') uri+=3; | |
358 | else break; | |
359 | } | |
360 | if (*uri=='?') | |
361 | { | |
362 | ++uri; | |
363 | for (;;) | |
364 | { | |
365 | /* match hname */ | |
366 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
367 | if (uri>start) | |
368 | { | |
369 | capacity=0; | |
370 | hname.character=(uschar*)0; | |
371 | hname.length=0; | |
372 | hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start); | |
373 | hname.character[hname.length]='\0'; | |
374 | if (uri_decode(&hname)==-1) | |
375 | { | |
376 | filter->errmsg=US"Invalid URI encoding"; | |
377 | return -1; | |
378 | } | |
379 | } | |
380 | /* match = */ | |
381 | if (*uri=='=') | |
382 | ++uri; | |
383 | else | |
384 | { | |
385 | filter->errmsg=US"Missing equal after hname"; | |
386 | return -1; | |
387 | } | |
388 | /* match hvalue */ | |
389 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
390 | if (uri>start) | |
391 | { | |
392 | capacity=0; | |
393 | hvalue.character=(uschar*)0; | |
394 | hvalue.length=0; | |
395 | hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start); | |
396 | hvalue.character[hvalue.length]='\0'; | |
397 | if (uri_decode(&hvalue)==-1) | |
398 | { | |
399 | filter->errmsg=US"Invalid URI encoding"; | |
400 | return -1; | |
401 | } | |
402 | } | |
403 | if (hname.length==2 && strcmp(hname.character,"to")==0) | |
404 | { | |
405 | new=store_get(sizeof(string_item)); | |
406 | new->text=store_get(hvalue.length+1); | |
407 | if (hvalue.length) memcpy(new->text,hvalue.character,hvalue.length); | |
408 | new->text[hvalue.length]='\0'; | |
409 | new->next=*recipient; | |
410 | *recipient=new; | |
411 | } | |
412 | else if (hname.length==4 && strcmp(hname.character,"body")==0) | |
413 | *body=hvalue; | |
414 | if (*uri=='&') ++uri; | |
415 | else break; | |
416 | } | |
417 | } | |
418 | if (*uri) | |
419 | { | |
420 | filter->errmsg=US"Syntactically invalid URI"; | |
421 | return -1; | |
422 | } | |
423 | return 1; | |
424 | } | |
425 | ||
059ec3d9 PH |
426 | /************************************************* |
427 | * Octet-wise string comparison * | |
428 | *************************************************/ | |
429 | ||
430 | /* | |
431 | Arguments: | |
432 | needle UTF-8 string to search ... | |
433 | haystack ... inside the haystack | |
434 | match_prefix 1 to compare if needle is a prefix of haystack | |
435 | ||
436 | Returns: 0 needle not found in haystack | |
437 | 1 needle found | |
438 | */ | |
439 | ||
440 | static int eq_octet(const struct String *needle, | |
441 | const struct String *haystack, int match_prefix) | |
442 | { | |
443 | size_t nl,hl; | |
444 | const uschar *n,*h; | |
445 | ||
446 | nl=needle->length; | |
447 | n=needle->character; | |
448 | hl=haystack->length; | |
449 | h=haystack->character; | |
450 | while (nl>0 && hl>0) | |
451 | { | |
452 | #if !HAVE_ICONV | |
453 | if (*n&0x80) return 0; | |
454 | if (*h&0x80) return 0; | |
455 | #endif | |
456 | if (*n!=*h) return 0; | |
457 | ++n; | |
458 | ++h; | |
459 | --nl; | |
460 | --hl; | |
461 | } | |
462 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
463 | } | |
464 | ||
465 | ||
466 | /************************************************* | |
467 | * ASCII case-insensitive string comparison * | |
468 | *************************************************/ | |
469 | ||
470 | /* | |
471 | Arguments: | |
472 | needle UTF-8 string to search ... | |
473 | haystack ... inside the haystack | |
474 | match_prefix 1 to compare if needle is a prefix of haystack | |
475 | ||
476 | Returns: 0 needle not found in haystack | |
477 | 1 needle found | |
478 | */ | |
479 | ||
480 | static int eq_asciicase(const struct String *needle, | |
481 | const struct String *haystack, int match_prefix) | |
482 | { | |
483 | size_t nl,hl; | |
484 | const uschar *n,*h; | |
485 | uschar nc,hc; | |
486 | ||
487 | nl=needle->length; | |
488 | n=needle->character; | |
489 | hl=haystack->length; | |
490 | h=haystack->character; | |
491 | while (nl>0 && hl>0) | |
492 | { | |
493 | nc=*n; | |
494 | hc=*h; | |
495 | #if !HAVE_ICONV | |
496 | if (nc&0x80) return 0; | |
497 | if (hc&0x80) return 0; | |
498 | #endif | |
499 | /* tolower depends on the locale and only ASCII case must be insensitive */ | |
1c59d63b | 500 | if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; |
059ec3d9 PH |
501 | ++n; |
502 | ++h; | |
503 | --nl; | |
504 | --hl; | |
505 | } | |
506 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
507 | } | |
508 | ||
509 | ||
510 | /************************************************* | |
1c59d63b | 511 | * Glob pattern search * |
059ec3d9 PH |
512 | *************************************************/ |
513 | ||
514 | /* | |
515 | Arguments: | |
516 | needle pattern to search ... | |
517 | haystack ... inside the haystack | |
518 | ||
519 | Returns: 0 needle not found in haystack | |
520 | 1 needle found | |
1c59d63b | 521 | -1 pattern error |
059ec3d9 PH |
522 | */ |
523 | ||
1c59d63b | 524 | static int eq_glob(const struct String *needle, |
50c99ba6 | 525 | const struct String *haystack, int ascii_caseless, int match_octet) |
059ec3d9 | 526 | { |
1c59d63b PH |
527 | const uschar *n,*h,*nend,*hend; |
528 | int may_advance=0; | |
059ec3d9 | 529 | |
1c59d63b PH |
530 | n=needle->character; |
531 | h=haystack->character; | |
532 | nend=n+needle->length; | |
533 | hend=h+haystack->length; | |
534 | while (n<nend) | |
059ec3d9 | 535 | { |
1c59d63b PH |
536 | if (*n=='*') |
537 | { | |
538 | ++n; | |
539 | may_advance=1; | |
059ec3d9 | 540 | } |
1c59d63b PH |
541 | else |
542 | { | |
543 | const uschar *npart,*hpart; | |
059ec3d9 | 544 | |
1c59d63b PH |
545 | /* Try to match a non-star part of the needle at the current */ |
546 | /* position in the haystack. */ | |
547 | match_part: | |
548 | npart=n; | |
549 | hpart=h; | |
550 | while (npart<nend && *npart!='*') switch (*npart) | |
551 | { | |
552 | case '?': | |
059ec3d9 | 553 | { |
1c59d63b | 554 | if (hpart==hend) return 0; |
50c99ba6 | 555 | if (match_octet) |
1c59d63b | 556 | ++hpart; |
1c59d63b | 557 | else |
50c99ba6 PH |
558 | { |
559 | /* Match one UTF8 encoded character */ | |
560 | if ((*hpart&0xc0)==0xc0) | |
561 | { | |
562 | ++hpart; | |
563 | while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart; | |
564 | } | |
565 | else | |
566 | ++hpart; | |
567 | } | |
1c59d63b PH |
568 | ++npart; |
569 | break; | |
059ec3d9 | 570 | } |
1c59d63b | 571 | case '\\': |
059ec3d9 | 572 | { |
1c59d63b PH |
573 | ++npart; |
574 | if (npart==nend) return -1; | |
575 | /* FALLTHROUGH */ | |
059ec3d9 | 576 | } |
1c59d63b | 577 | default: |
059ec3d9 | 578 | { |
1c59d63b PH |
579 | if (hpart==hend) return 0; |
580 | /* tolower depends on the locale, but we need ASCII */ | |
581 | if | |
582 | ( | |
583 | #if !HAVE_ICONV | |
584 | (*hpart&0x80) || (*npart&0x80) || | |
585 | #endif | |
586 | ascii_caseless | |
587 | ? ((*npart>='A' && *npart<='Z' ? *npart|0x20 : *npart) != (*hpart>='A' && *hpart<='Z' ? *hpart|0x20 : *hpart)) | |
588 | : *hpart!=*npart | |
589 | ) | |
059ec3d9 | 590 | { |
1c59d63b PH |
591 | if (may_advance) |
592 | /* string match after a star failed, advance and try again */ | |
059ec3d9 | 593 | { |
1c59d63b PH |
594 | ++h; |
595 | goto match_part; | |
059ec3d9 | 596 | } |
1c59d63b | 597 | else return 0; |
059ec3d9 PH |
598 | } |
599 | else | |
600 | { | |
1c59d63b PH |
601 | ++npart; |
602 | ++hpart; | |
603 | }; | |
059ec3d9 | 604 | } |
059ec3d9 | 605 | } |
1c59d63b PH |
606 | /* at this point, a part was matched successfully */ |
607 | if (may_advance && npart==nend && hpart<hend) | |
608 | /* needle ends, but haystack does not: if there was a star before, advance and try again */ | |
059ec3d9 | 609 | { |
1c59d63b PH |
610 | ++h; |
611 | goto match_part; | |
059ec3d9 | 612 | } |
1c59d63b PH |
613 | h=hpart; |
614 | n=npart; | |
615 | may_advance=0; | |
059ec3d9 PH |
616 | } |
617 | } | |
1c59d63b | 618 | return (h==hend ? 1 : may_advance); |
059ec3d9 PH |
619 | } |
620 | ||
621 | ||
622 | /************************************************* | |
623 | * ASCII numeric comparison * | |
624 | *************************************************/ | |
625 | ||
626 | /* | |
627 | Arguments: | |
628 | a first numeric string | |
629 | b second numeric string | |
630 | relop relational operator | |
631 | ||
632 | Returns: 0 not (a relop b) | |
633 | 1 a relop b | |
634 | */ | |
635 | ||
636 | static int eq_asciinumeric(const struct String *a, | |
637 | const struct String *b, enum RelOp relop) | |
638 | { | |
639 | size_t al,bl; | |
640 | const uschar *as,*aend,*bs,*bend; | |
641 | int cmp; | |
642 | ||
643 | as=a->character; | |
644 | aend=a->character+a->length; | |
645 | bs=b->character; | |
646 | bend=b->character+b->length; | |
647 | ||
648 | while (*as>='0' && *as<='9' && as<aend) ++as; | |
649 | al=as-a->character; | |
650 | while (*bs>='0' && *bs<='9' && bs<bend) ++bs; | |
651 | bl=bs-b->character; | |
652 | ||
653 | if (al && bl==0) cmp=-1; | |
654 | else if (al==0 && bl==0) cmp=0; | |
655 | else if (al==0 && bl) cmp=1; | |
656 | else | |
657 | { | |
658 | cmp=al-bl; | |
659 | if (cmp==0) cmp=memcmp(a->character,b->character,al); | |
660 | } | |
661 | switch (relop) | |
662 | { | |
663 | case LT: return cmp<0; | |
664 | case LE: return cmp<=0; | |
665 | case EQ: return cmp==0; | |
666 | case GE: return cmp>=0; | |
667 | case GT: return cmp>0; | |
668 | case NE: return cmp!=0; | |
669 | } | |
670 | /*NOTREACHED*/ | |
671 | return -1; | |
672 | } | |
673 | ||
674 | ||
675 | /************************************************* | |
676 | * Compare strings * | |
677 | *************************************************/ | |
678 | ||
679 | /* | |
680 | Arguments: | |
50c99ba6 | 681 | filter points to the Sieve filter including its state |
059ec3d9 PH |
682 | needle UTF-8 pattern or string to search ... |
683 | haystack ... inside the haystack | |
684 | co comparator to use | |
685 | mt match type to use | |
686 | ||
687 | Returns: 0 needle not found in haystack | |
688 | 1 needle found | |
689 | -1 comparator does not offer matchtype | |
690 | */ | |
691 | ||
692 | static int compare(struct Sieve *filter, const struct String *needle, const struct String *haystack, | |
693 | enum Comparator co, enum MatchType mt) | |
694 | { | |
695 | int r=0; | |
696 | ||
f05da2e8 | 697 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
698 | (debug_selector & D_filter) != 0) |
699 | { | |
700 | debug_printf("String comparison (match "); | |
701 | switch (mt) | |
702 | { | |
703 | case MATCH_IS: debug_printf(":is"); break; | |
704 | case MATCH_CONTAINS: debug_printf(":contains"); break; | |
705 | case MATCH_MATCHES: debug_printf(":matches"); break; | |
706 | } | |
707 | debug_printf(", comparison \""); | |
708 | switch (co) | |
709 | { | |
710 | case COMP_OCTET: debug_printf("i;octet"); break; | |
5ea81592 | 711 | case COMP_EN_ASCII_CASEMAP: debug_printf("en;ascii-casemap"); break; |
059ec3d9 PH |
712 | case COMP_ASCII_NUMERIC: debug_printf("i;ascii-numeric"); break; |
713 | } | |
714 | debug_printf("\"):\n"); | |
715 | debug_printf(" Search = %s (%d chars)\n", needle->character,needle->length); | |
716 | debug_printf(" Inside = %s (%d chars)\n", haystack->character,haystack->length); | |
717 | } | |
718 | switch (mt) | |
719 | { | |
720 | case MATCH_IS: | |
721 | { | |
722 | switch (co) | |
723 | { | |
724 | case COMP_OCTET: | |
725 | { | |
726 | if (eq_octet(needle,haystack,0)) r=1; | |
727 | break; | |
728 | } | |
5ea81592 | 729 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
730 | { |
731 | if (eq_asciicase(needle,haystack,0)) r=1; | |
732 | break; | |
733 | } | |
734 | case COMP_ASCII_NUMERIC: | |
735 | { | |
736 | if (!filter->require_iascii_numeric) | |
737 | { | |
738 | filter->errmsg=CUS "missing previous require \"comparator-i;ascii-numeric\";"; | |
739 | return -1; | |
740 | } | |
741 | if (eq_asciinumeric(needle,haystack,EQ)) r=1; | |
742 | break; | |
743 | } | |
744 | } | |
745 | break; | |
746 | } | |
747 | case MATCH_CONTAINS: | |
748 | { | |
749 | struct String h; | |
750 | ||
751 | switch (co) | |
752 | { | |
753 | case COMP_OCTET: | |
754 | { | |
755 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; } | |
756 | break; | |
757 | } | |
5ea81592 | 758 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
759 | { |
760 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; } | |
761 | break; | |
762 | } | |
763 | default: | |
764 | { | |
765 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
766 | return -1; | |
767 | } | |
768 | } | |
769 | break; | |
770 | } | |
771 | case MATCH_MATCHES: | |
772 | { | |
773 | switch (co) | |
774 | { | |
775 | case COMP_OCTET: | |
776 | { | |
50c99ba6 | 777 | if ((r=eq_glob(needle,haystack,0,1))==-1) |
1c59d63b PH |
778 | { |
779 | filter->errmsg=CUS "syntactically invalid pattern"; | |
780 | return -1; | |
781 | } | |
059ec3d9 PH |
782 | break; |
783 | } | |
5ea81592 | 784 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 | 785 | { |
50c99ba6 | 786 | if ((r=eq_glob(needle,haystack,1,1))==-1) |
1c59d63b PH |
787 | { |
788 | filter->errmsg=CUS "syntactically invalid pattern"; | |
789 | return -1; | |
790 | } | |
059ec3d9 PH |
791 | break; |
792 | } | |
793 | default: | |
794 | { | |
795 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
796 | return -1; | |
797 | } | |
798 | } | |
799 | break; | |
800 | } | |
801 | } | |
f05da2e8 | 802 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
803 | (debug_selector & D_filter) != 0) |
804 | debug_printf(" Result %s\n",r?"true":"false"); | |
805 | return r; | |
806 | } | |
807 | ||
808 | ||
809 | /************************************************* | |
810 | * Check header field syntax * | |
811 | *************************************************/ | |
812 | ||
813 | /* | |
814 | RFC 2822, section 3.6.8 says: | |
815 | ||
816 | field-name = 1*ftext | |
817 | ||
818 | ftext = %d33-57 / ; Any character except | |
819 | %d59-126 ; controls, SP, and | |
820 | ; ":". | |
821 | ||
822 | That forbids 8-bit header fields. This implementation accepts them, since | |
823 | all of Exim is 8-bit clean, so it adds %d128-%d255. | |
824 | ||
825 | Arguments: | |
826 | header header field to quote for suitable use in Exim expansions | |
827 | ||
828 | Returns: 0 string is not a valid header field | |
829 | 1 string is a value header field | |
830 | */ | |
831 | ||
832 | static int is_header(const struct String *header) | |
833 | { | |
834 | size_t l; | |
835 | const uschar *h; | |
836 | ||
837 | l=header->length; | |
838 | h=header->character; | |
839 | if (l==0) return 0; | |
840 | while (l) | |
841 | { | |
842 | if (((unsigned char)*h)<33 || ((unsigned char)*h)==':' || ((unsigned char)*h)==127) return 0; | |
843 | else | |
844 | { | |
845 | ++h; | |
846 | --l; | |
847 | } | |
848 | } | |
849 | return 1; | |
850 | } | |
851 | ||
852 | ||
853 | /************************************************* | |
854 | * Quote special characters string * | |
855 | *************************************************/ | |
856 | ||
857 | /* | |
858 | Arguments: | |
859 | header header field to quote for suitable use in Exim expansions | |
860 | or as debug output | |
861 | ||
862 | Returns: quoted string | |
863 | */ | |
864 | ||
865 | static const uschar *quote(const struct String *header) | |
866 | { | |
867 | uschar *quoted=NULL; | |
868 | int size=0,ptr=0; | |
869 | size_t l; | |
870 | const uschar *h; | |
871 | ||
872 | l=header->length; | |
873 | h=header->character; | |
874 | while (l) | |
875 | { | |
876 | switch (*h) | |
877 | { | |
878 | case '\0': | |
879 | { | |
880 | quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2); | |
881 | break; | |
882 | } | |
883 | case '$': | |
884 | case '{': | |
885 | case '}': | |
886 | { | |
887 | quoted=string_cat(quoted,&size,&ptr,CUS "\\",1); | |
888 | } | |
889 | default: | |
890 | { | |
891 | quoted=string_cat(quoted,&size,&ptr,h,1); | |
892 | } | |
893 | } | |
894 | ++h; | |
895 | --l; | |
896 | } | |
897 | quoted=string_cat(quoted,&size,&ptr,CUS "",1); | |
898 | return quoted; | |
899 | } | |
900 | ||
901 | ||
902 | /************************************************* | |
903 | * Add address to list of generated addresses * | |
904 | *************************************************/ | |
905 | ||
906 | /* | |
907 | According to RFC 3028, duplicate delivery to the same address must | |
908 | not happen, so the list is first searched for the address. | |
909 | ||
910 | Arguments: | |
911 | generated list of generated addresses | |
912 | addr new address to add | |
913 | file address denotes a file | |
914 | ||
915 | Returns: nothing | |
916 | */ | |
917 | ||
918 | static void add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) | |
919 | { | |
920 | address_item *new_addr; | |
921 | ||
922 | for (new_addr=*generated; new_addr; new_addr=new_addr->next) | |
923 | { | |
924 | if (Ustrcmp(new_addr->address,addr)==0 && (file ? testflag(new_addr, af_pfr|af_file) : 1)) | |
925 | { | |
f05da2e8 | 926 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
927 | { |
928 | debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr); | |
929 | } | |
930 | return; | |
931 | } | |
932 | } | |
933 | ||
f05da2e8 | 934 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 PH |
935 | { |
936 | debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr); | |
937 | } | |
938 | new_addr=deliver_make_addr(addr,TRUE); | |
939 | if (file) | |
940 | { | |
941 | setflag(new_addr, af_pfr|af_file); | |
942 | new_addr->mode = 0; | |
943 | } | |
944 | new_addr->p.errors_address = NULL; | |
945 | new_addr->next = *generated; | |
946 | *generated = new_addr; | |
947 | } | |
948 | ||
949 | ||
950 | /************************************************* | |
951 | * Return decoded header field * | |
952 | *************************************************/ | |
953 | ||
954 | /* | |
50c99ba6 PH |
955 | Unfold the header field as described in RFC 2822 and remove all |
956 | leading and trailing white space, then perform MIME decoding and | |
957 | translate the header field to UTF-8. | |
958 | ||
059ec3d9 PH |
959 | Arguments: |
960 | value returned value of the field | |
961 | header name of the header field | |
962 | ||
963 | Returns: nothing The expanded string is empty | |
964 | in case there is no such header | |
965 | */ | |
966 | ||
967 | static void expand_header(struct String *value, const struct String *header) | |
968 | { | |
969 | uschar *s,*r,*t; | |
970 | uschar *errmsg; | |
971 | ||
972 | value->length=0; | |
973 | value->character=(uschar*)0; | |
974 | ||
975 | t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header))); | |
50c99ba6 | 976 | while (*r==' ' || *r=='\t') ++r; |
059ec3d9 PH |
977 | while (*r) |
978 | { | |
979 | if (*r=='\n') | |
059ec3d9 | 980 | ++r; |
059ec3d9 PH |
981 | else |
982 | *t++=*r++; | |
983 | } | |
50c99ba6 PH |
984 | while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t; |
985 | *t='\0'; | |
a0d6ba8a | 986 | value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg); |
059ec3d9 PH |
987 | } |
988 | ||
989 | ||
990 | /************************************************* | |
991 | * Parse remaining hash comment * | |
992 | *************************************************/ | |
993 | ||
994 | /* | |
995 | Token definition: | |
996 | Comment up to terminating CRLF | |
997 | ||
998 | Arguments: | |
999 | filter points to the Sieve filter including its state | |
1000 | ||
1001 | Returns: 1 success | |
1002 | -1 syntax error | |
1003 | */ | |
1004 | ||
1005 | static int parse_hashcomment(struct Sieve *filter) | |
1006 | { | |
1007 | ++filter->pc; | |
1008 | while (*filter->pc) | |
1009 | { | |
1010 | #ifdef RFC_EOL | |
1011 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1012 | #else | |
1013 | if (*filter->pc=='\n') | |
1014 | #endif | |
1015 | { | |
1016 | #ifdef RFC_EOL | |
1017 | filter->pc+=2; | |
1018 | #else | |
1019 | ++filter->pc; | |
1020 | #endif | |
1021 | ++filter->line; | |
1022 | return 1; | |
1023 | } | |
1024 | else ++filter->pc; | |
1025 | } | |
1026 | filter->errmsg=CUS "missing end of comment"; | |
1027 | return -1; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | /************************************************* | |
1032 | * Parse remaining C-style comment * | |
1033 | *************************************************/ | |
1034 | ||
1035 | /* | |
1036 | Token definition: | |
1037 | Everything up to star slash | |
1038 | ||
1039 | Arguments: | |
1040 | filter points to the Sieve filter including its state | |
1041 | ||
1042 | Returns: 1 success | |
1043 | -1 syntax error | |
1044 | */ | |
1045 | ||
1046 | static int parse_comment(struct Sieve *filter) | |
1047 | { | |
1048 | filter->pc+=2; | |
1049 | while (*filter->pc) | |
1050 | { | |
1051 | if (*filter->pc=='*' && *(filter->pc+1)=='/') | |
1052 | { | |
1053 | filter->pc+=2; | |
1054 | return 1; | |
1055 | } | |
1056 | else ++filter->pc; | |
1057 | } | |
1058 | filter->errmsg=CUS "missing end of comment"; | |
1059 | return -1; | |
1060 | } | |
1061 | ||
1062 | ||
1063 | /************************************************* | |
1064 | * Parse optional white space * | |
1065 | *************************************************/ | |
1066 | ||
1067 | /* | |
1068 | Token definition: | |
1069 | Spaces, tabs, CRLFs, hash comments or C-style comments | |
1070 | ||
1071 | Arguments: | |
1072 | filter points to the Sieve filter including its state | |
1073 | ||
1074 | Returns: 1 success | |
1075 | -1 syntax error | |
1076 | */ | |
1077 | ||
1078 | static int parse_white(struct Sieve *filter) | |
1079 | { | |
1080 | while (*filter->pc) | |
1081 | { | |
1082 | if (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1083 | #ifdef RFC_EOL | |
1084 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1085 | #else | |
1086 | else if (*filter->pc=='\n') | |
1087 | #endif | |
1088 | { | |
1089 | #ifdef RFC_EOL | |
1090 | filter->pc+=2; | |
1091 | #else | |
1092 | ++filter->pc; | |
1093 | #endif | |
1094 | ++filter->line; | |
1095 | } | |
1096 | else if (*filter->pc=='#') | |
1097 | { | |
1098 | if (parse_hashcomment(filter)==-1) return -1; | |
1099 | } | |
1100 | else if (*filter->pc=='/' && *(filter->pc+1)=='*') | |
1101 | { | |
1102 | if (parse_comment(filter)==-1) return -1; | |
1103 | } | |
1104 | else break; | |
1105 | } | |
1106 | return 1; | |
1107 | } | |
1108 | ||
1109 | ||
1110 | /************************************************* | |
1111 | * Parse a optional string * | |
1112 | *************************************************/ | |
1113 | ||
1114 | /* | |
1115 | Token definition: | |
1116 | quoted-string = DQUOTE *CHAR DQUOTE | |
1117 | ;; in general, \ CHAR inside a string maps to CHAR | |
1118 | ;; so \" maps to " and \\ maps to \ | |
1119 | ;; note that newlines and other characters are all allowed | |
1120 | ;; in strings | |
1121 | ||
1122 | multi-line = "text:" *(SP / HTAB) (hash-comment / CRLF) | |
1123 | *(multi-line-literal / multi-line-dotstuff) | |
1124 | "." CRLF | |
1125 | multi-line-literal = [CHAR-NOT-DOT *CHAR-NOT-CRLF] CRLF | |
1126 | multi-line-dotstuff = "." 1*CHAR-NOT-CRLF CRLF | |
1127 | ;; A line containing only "." ends the multi-line. | |
1128 | ;; Remove a leading '.' if followed by another '.'. | |
1129 | string = quoted-string / multi-line | |
1130 | ||
1131 | Arguments: | |
1132 | filter points to the Sieve filter including its state | |
1133 | id specifies identifier to match | |
1134 | ||
1135 | Returns: 1 success | |
1136 | -1 syntax error | |
1137 | 0 identifier not matched | |
1138 | */ | |
1139 | ||
1140 | static int parse_string(struct Sieve *filter, struct String *data) | |
1141 | { | |
1142 | int dataCapacity=0; | |
1143 | ||
1144 | data->length=0; | |
1145 | data->character=(uschar*)0; | |
1146 | if (*filter->pc=='"') /* quoted string */ | |
1147 | { | |
1148 | ++filter->pc; | |
1149 | while (*filter->pc) | |
1150 | { | |
1151 | if (*filter->pc=='"') /* end of string */ | |
1152 | { | |
1153 | int foo=data->length; | |
1154 | ||
1155 | ++filter->pc; | |
50c99ba6 | 1156 | /* that way, there will be at least one character allocated */ |
059ec3d9 PH |
1157 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); |
1158 | return 1; | |
1159 | } | |
1160 | else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */ | |
1161 | { | |
1162 | if (*(filter->pc+1)=='0') data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "",1); | |
1163 | else data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1); | |
1164 | filter->pc+=2; | |
1165 | } | |
1166 | else /* regular character */ | |
1167 | { | |
50c99ba6 PH |
1168 | #ifdef RFC_EOL |
1169 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line; | |
1170 | #else | |
1171 | if (*filter->pc=='\n') | |
1172 | { | |
1173 | data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1); | |
1174 | ++filter->line; | |
1175 | } | |
1176 | #endif | |
059ec3d9 PH |
1177 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); |
1178 | filter->pc++; | |
1179 | } | |
1180 | } | |
1181 | filter->errmsg=CUS "missing end of string"; | |
1182 | return -1; | |
1183 | } | |
1184 | else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ | |
1185 | { | |
1186 | filter->pc+=5; | |
1187 | /* skip optional white space followed by hashed comment or CRLF */ | |
1188 | while (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1189 | if (*filter->pc=='#') | |
1190 | { | |
1191 | if (parse_hashcomment(filter)==-1) return -1; | |
1192 | } | |
1193 | #ifdef RFC_EOL | |
1194 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1195 | #else | |
1196 | else if (*filter->pc=='\n') | |
1197 | #endif | |
1198 | { | |
1199 | #ifdef RFC_EOL | |
1200 | filter->pc+=2; | |
1201 | #else | |
1202 | ++filter->pc; | |
1203 | #endif | |
1204 | ++filter->line; | |
1205 | } | |
1206 | else | |
1207 | { | |
1208 | filter->errmsg=CUS "syntax error"; | |
1209 | return -1; | |
1210 | } | |
1211 | while (*filter->pc) | |
1212 | { | |
1213 | #ifdef RFC_EOL | |
1214 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') /* end of line */ | |
1215 | #else | |
1216 | if (*filter->pc=='\n') /* end of line */ | |
1217 | #endif | |
1218 | { | |
1219 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "\r\n",2); | |
1220 | #ifdef RFC_EOL | |
1221 | filter->pc+=2; | |
1222 | #else | |
1223 | ++filter->pc; | |
1224 | #endif | |
1225 | ++filter->line; | |
1226 | #ifdef RFC_EOL | |
1227 | if (*filter->pc=='.' && *(filter->pc+1)=='\r' && *(filter->pc+2)=='\n') /* end of string */ | |
1228 | #else | |
1229 | if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */ | |
1230 | #endif | |
1231 | { | |
50c99ba6 PH |
1232 | int foo=data->length; |
1233 | ||
1234 | /* that way, there will be at least one character allocated */ | |
1235 | data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); | |
059ec3d9 PH |
1236 | #ifdef RFC_EOL |
1237 | filter->pc+=3; | |
1238 | #else | |
1239 | filter->pc+=2; | |
1240 | #endif | |
1241 | ++filter->line; | |
1242 | return 1; | |
1243 | } | |
1244 | else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */ | |
1245 | { | |
1246 | data->character=string_cat(data->character,&dataCapacity,&data->length,CUS ".",1); | |
1247 | filter->pc+=2; | |
1248 | } | |
1249 | } | |
1250 | else /* regular character */ | |
1251 | { | |
1252 | data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); | |
1253 | filter->pc++; | |
1254 | } | |
1255 | } | |
1256 | filter->errmsg=CUS "missing end of multi line string"; | |
1257 | return -1; | |
1258 | } | |
1259 | else return 0; | |
1260 | } | |
1261 | ||
1262 | ||
1263 | /************************************************* | |
1264 | * Parse a specific identifier * | |
1265 | *************************************************/ | |
1266 | ||
1267 | /* | |
1268 | Token definition: | |
1269 | identifier = (ALPHA / "_") *(ALPHA DIGIT "_") | |
1270 | ||
1271 | Arguments: | |
1272 | filter points to the Sieve filter including its state | |
1273 | id specifies identifier to match | |
1274 | ||
1275 | Returns: 1 success | |
1276 | 0 identifier not matched | |
1277 | */ | |
1278 | ||
1279 | static int parse_identifier(struct Sieve *filter, const uschar *id) | |
1280 | { | |
1281 | size_t idlen=Ustrlen(id); | |
1282 | ||
1283 | if (Ustrncmp(filter->pc,id,idlen)==0) | |
1284 | { | |
1285 | uschar next=filter->pc[idlen]; | |
1286 | ||
1287 | if ((next>='A' && next<='Z') || (next>='a' && next<='z') || next=='_' || (next>='0' && next<='9')) return 0; | |
1288 | filter->pc+=idlen; | |
1289 | return 1; | |
1290 | } | |
1291 | else return 0; | |
1292 | } | |
1293 | ||
1294 | ||
1295 | /************************************************* | |
1296 | * Parse a number * | |
1297 | *************************************************/ | |
1298 | ||
1299 | /* | |
1300 | Token definition: | |
1301 | number = 1*DIGIT [QUANTIFIER] | |
1302 | QUANTIFIER = "K" / "M" / "G" | |
1303 | ||
1304 | Arguments: | |
1305 | filter points to the Sieve filter including its state | |
1306 | data returns value | |
1307 | ||
1308 | Returns: 1 success | |
1309 | -1 no string list found | |
1310 | */ | |
1311 | ||
1312 | static int parse_number(struct Sieve *filter, unsigned long *data) | |
1313 | { | |
1314 | unsigned long d,u; | |
1315 | ||
1316 | if (*filter->pc>='0' && *filter->pc<='9') | |
1317 | { | |
1318 | uschar *e; | |
1319 | ||
1320 | errno=0; | |
1321 | d=Ustrtoul(filter->pc,&e,10); | |
1322 | if (errno==ERANGE) | |
1323 | { | |
1324 | filter->errmsg=CUstrerror(ERANGE); | |
1325 | return -1; | |
1326 | } | |
1327 | filter->pc=e; | |
1328 | u=1; | |
1329 | if (*filter->pc=='K') { u=1024; ++filter->pc; } | |
1330 | else if (*filter->pc=='M') { u=1024*1024; ++filter->pc; } | |
1331 | else if (*filter->pc=='G') { u=1024*1024*1024; ++filter->pc; } | |
1332 | if (d>(ULONG_MAX/u)) | |
1333 | { | |
1334 | filter->errmsg=CUstrerror(ERANGE); | |
1335 | return -1; | |
1336 | } | |
1337 | d*=u; | |
1338 | *data=d; | |
1339 | return 1; | |
1340 | } | |
1341 | else | |
1342 | { | |
1343 | filter->errmsg=CUS "missing number"; | |
1344 | return -1; | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | ||
1349 | /************************************************* | |
1350 | * Parse a string list * | |
1351 | *************************************************/ | |
1352 | ||
1353 | /* | |
1354 | Grammar: | |
1355 | string-list = "[" string *("," string) "]" / string | |
1356 | ||
1357 | Arguments: | |
1358 | filter points to the Sieve filter including its state | |
1359 | data returns string list | |
1360 | ||
1361 | Returns: 1 success | |
1362 | -1 no string list found | |
1363 | */ | |
1364 | ||
1365 | static int parse_stringlist(struct Sieve *filter, struct String **data) | |
1366 | { | |
1367 | const uschar *orig=filter->pc; | |
1368 | int dataCapacity=0; | |
1369 | int dataLength=0; | |
1370 | struct String *d=(struct String*)0; | |
1371 | int m; | |
1372 | ||
1373 | if (*filter->pc=='[') /* string list */ | |
1374 | { | |
1375 | ++filter->pc; | |
1376 | for (;;) | |
1377 | { | |
1378 | if (parse_white(filter)==-1) goto error; | |
1379 | if ((dataLength+1)>=dataCapacity) /* increase buffer */ | |
1380 | { | |
1381 | struct String *new; | |
1382 | int newCapacity; /* Don't amalgamate with next line; some compilers grumble */ | |
1383 | newCapacity=dataCapacity?(dataCapacity*=2):(dataCapacity=4); | |
1384 | if ((new=(struct String*)store_get(sizeof(struct String)*newCapacity))==(struct String*)0) | |
1385 | { | |
1386 | filter->errmsg=CUstrerror(errno); | |
1387 | goto error; | |
1388 | } | |
1389 | if (d) memcpy(new,d,sizeof(struct String)*dataLength); | |
1390 | d=new; | |
1391 | dataCapacity=newCapacity; | |
1392 | } | |
1393 | m=parse_string(filter,&d[dataLength]); | |
1394 | if (m==0) | |
1395 | { | |
1396 | if (dataLength==0) break; | |
1397 | else | |
1398 | { | |
1399 | filter->errmsg=CUS "missing string"; | |
1400 | goto error; | |
1401 | } | |
1402 | } | |
1403 | else if (m==-1) goto error; | |
1404 | else ++dataLength; | |
1405 | if (parse_white(filter)==-1) goto error; | |
1406 | if (*filter->pc==',') ++filter->pc; | |
1407 | else break; | |
1408 | } | |
1409 | if (*filter->pc==']') | |
1410 | { | |
1411 | d[dataLength].character=(uschar*)0; | |
1412 | d[dataLength].length=-1; | |
1413 | ++filter->pc; | |
1414 | *data=d; | |
1415 | return 1; | |
1416 | } | |
1417 | else | |
1418 | { | |
1419 | filter->errmsg=CUS "missing closing bracket"; | |
1420 | goto error; | |
1421 | } | |
1422 | } | |
1423 | else /* single string */ | |
1424 | { | |
1425 | if ((d=store_get(sizeof(struct String)*2))==(struct String*)0) | |
1426 | { | |
1427 | return -1; | |
1428 | } | |
1429 | m=parse_string(filter,&d[0]); | |
1430 | if (m==-1) | |
1431 | { | |
1432 | return -1; | |
1433 | } | |
1434 | else if (m==0) | |
1435 | { | |
1436 | filter->pc=orig; | |
1437 | return 0; | |
1438 | } | |
1439 | else | |
1440 | { | |
1441 | d[1].character=(uschar*)0; | |
1442 | d[1].length=-1; | |
1443 | *data=d; | |
1444 | return 1; | |
1445 | } | |
1446 | } | |
1447 | error: | |
1448 | filter->errmsg=CUS "missing string list"; | |
1449 | return -1; | |
1450 | } | |
1451 | ||
1452 | ||
1453 | /************************************************* | |
1454 | * Parse an optional address part specifier * | |
1455 | *************************************************/ | |
1456 | ||
1457 | /* | |
1458 | Grammar: | |
1459 | address-part = ":localpart" / ":domain" / ":all" | |
1460 | address-part =/ ":user" / ":detail" | |
1461 | ||
1462 | Arguments: | |
1463 | filter points to the Sieve filter including its state | |
1464 | a returns address part specified | |
1465 | ||
1466 | Returns: 1 success | |
1467 | 0 no comparator found | |
1468 | -1 syntax error | |
1469 | */ | |
1470 | ||
1471 | static int parse_addresspart(struct Sieve *filter, enum AddressPart *a) | |
1472 | { | |
1473 | #ifdef SUBADDRESS | |
1474 | if (parse_identifier(filter,CUS ":user")==1) | |
1475 | { | |
1476 | if (!filter->require_subaddress) | |
1477 | { | |
1478 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1479 | return -1; | |
1480 | } | |
1481 | *a=ADDRPART_USER; | |
1482 | return 1; | |
1483 | } | |
1484 | else if (parse_identifier(filter,CUS ":detail")==1) | |
1485 | { | |
1486 | if (!filter->require_subaddress) | |
1487 | { | |
1488 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1489 | return -1; | |
1490 | } | |
1491 | *a=ADDRPART_DETAIL; | |
1492 | return 1; | |
1493 | } | |
1494 | else | |
1495 | #endif | |
1496 | if (parse_identifier(filter,CUS ":localpart")==1) | |
1497 | { | |
1498 | *a=ADDRPART_LOCALPART; | |
1499 | return 1; | |
1500 | } | |
1501 | else if (parse_identifier(filter,CUS ":domain")==1) | |
1502 | { | |
1503 | *a=ADDRPART_DOMAIN; | |
1504 | return 1; | |
1505 | } | |
1506 | else if (parse_identifier(filter,CUS ":all")==1) | |
1507 | { | |
1508 | *a=ADDRPART_ALL; | |
1509 | return 1; | |
1510 | } | |
1511 | else return 0; | |
1512 | } | |
1513 | ||
1514 | ||
1515 | /************************************************* | |
1516 | * Parse an optional comparator * | |
1517 | *************************************************/ | |
1518 | ||
1519 | /* | |
1520 | Grammar: | |
1521 | comparator = ":comparator" <comparator-name: string> | |
1522 | ||
1523 | Arguments: | |
1524 | filter points to the Sieve filter including its state | |
1525 | c returns comparator | |
1526 | ||
1527 | Returns: 1 success | |
1528 | 0 no comparator found | |
1529 | -1 incomplete comparator found | |
1530 | */ | |
1531 | ||
1532 | static int parse_comparator(struct Sieve *filter, enum Comparator *c) | |
1533 | { | |
1534 | struct String comparator_name; | |
1535 | ||
1536 | if (parse_identifier(filter,CUS ":comparator")==0) return 0; | |
1537 | if (parse_white(filter)==-1) return -1; | |
1538 | switch (parse_string(filter,&comparator_name)) | |
1539 | { | |
1540 | case -1: return -1; | |
1541 | case 0: | |
1542 | { | |
1543 | filter->errmsg=CUS "missing comparator"; | |
1544 | return -1; | |
1545 | } | |
1546 | default: | |
1547 | { | |
1548 | int match; | |
1549 | ||
1550 | if (eq_asciicase(&comparator_name,&str_ioctet,0)) | |
1551 | { | |
1552 | *c=COMP_OCTET; | |
1553 | match=1; | |
1554 | } | |
1555 | else if (eq_asciicase(&comparator_name,&str_iascii_casemap,0)) | |
1556 | { | |
5ea81592 PH |
1557 | *c=COMP_EN_ASCII_CASEMAP; |
1558 | match=1; | |
1559 | } | |
1560 | else if (eq_asciicase(&comparator_name,&str_enascii_casemap,0)) | |
1561 | { | |
1562 | *c=COMP_EN_ASCII_CASEMAP; | |
059ec3d9 PH |
1563 | match=1; |
1564 | } | |
1565 | else if (eq_asciicase(&comparator_name,&str_iascii_numeric,0)) | |
1566 | { | |
1567 | *c=COMP_ASCII_NUMERIC; | |
1568 | match=1; | |
1569 | } | |
1570 | else | |
1571 | { | |
1572 | filter->errmsg=CUS "invalid comparator"; | |
1573 | match=-1; | |
1574 | } | |
1575 | return match; | |
1576 | } | |
1577 | } | |
1578 | } | |
1579 | ||
1580 | ||
1581 | /************************************************* | |
1582 | * Parse an optional match type * | |
1583 | *************************************************/ | |
1584 | ||
1585 | /* | |
1586 | Grammar: | |
1587 | match-type = ":is" / ":contains" / ":matches" | |
1588 | ||
1589 | Arguments: | |
1590 | filter points to the Sieve filter including its state | |
1591 | m returns match type | |
1592 | ||
1593 | Returns: 1 success | |
1594 | 0 no match type found | |
1595 | */ | |
1596 | ||
1597 | static int parse_matchtype(struct Sieve *filter, enum MatchType *m) | |
1598 | { | |
1599 | if (parse_identifier(filter,CUS ":is")==1) | |
1600 | { | |
1601 | *m=MATCH_IS; | |
1602 | return 1; | |
1603 | } | |
1604 | else if (parse_identifier(filter,CUS ":contains")==1) | |
1605 | { | |
1606 | *m=MATCH_CONTAINS; | |
1607 | return 1; | |
1608 | } | |
1609 | else if (parse_identifier(filter,CUS ":matches")==1) | |
1610 | { | |
1611 | *m=MATCH_MATCHES; | |
1612 | return 1; | |
1613 | } | |
1614 | else return 0; | |
1615 | } | |
1616 | ||
1617 | ||
1618 | /************************************************* | |
1619 | * Parse and interpret an optional test list * | |
1620 | *************************************************/ | |
1621 | ||
1622 | /* | |
1623 | Grammar: | |
1624 | test-list = "(" test *("," test) ")" | |
1625 | ||
1626 | Arguments: | |
1627 | filter points to the Sieve filter including its state | |
1628 | n total number of tests | |
1629 | true number of passed tests | |
1630 | exec Execute parsed statements | |
1631 | ||
1632 | Returns: 1 success | |
1633 | 0 no test list found | |
1634 | -1 syntax or execution error | |
1635 | */ | |
1636 | ||
1637 | static int parse_testlist(struct Sieve *filter, int *n, int *true, int exec) | |
1638 | { | |
1639 | if (parse_white(filter)==-1) return -1; | |
1640 | if (*filter->pc=='(') | |
1641 | { | |
1642 | ++filter->pc; | |
1643 | *n=0; | |
1644 | *true=0; | |
1645 | for (;;) | |
1646 | { | |
1647 | int cond; | |
1648 | ||
1649 | switch (parse_test(filter,&cond,exec)) | |
1650 | { | |
1651 | case -1: return -1; | |
1652 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
1653 | default: ++*n; if (cond) ++*true; break; | |
1654 | } | |
1655 | if (parse_white(filter)==-1) return -1; | |
1656 | if (*filter->pc==',') ++filter->pc; | |
1657 | else break; | |
1658 | } | |
1659 | if (*filter->pc==')') | |
1660 | { | |
1661 | ++filter->pc; | |
1662 | return 1; | |
1663 | } | |
1664 | else | |
1665 | { | |
1666 | filter->errmsg=CUS "missing closing paren"; | |
1667 | return -1; | |
1668 | } | |
1669 | } | |
1670 | else return 0; | |
1671 | } | |
1672 | ||
1673 | ||
1674 | /************************************************* | |
1675 | * Parse and interpret an optional test * | |
1676 | *************************************************/ | |
1677 | ||
1678 | /* | |
1679 | Arguments: | |
1680 | filter points to the Sieve filter including its state | |
1681 | cond returned condition status | |
1682 | exec Execute parsed statements | |
1683 | ||
1684 | Returns: 1 success | |
1685 | 0 no test found | |
1686 | -1 syntax or execution error | |
1687 | */ | |
1688 | ||
1689 | static int parse_test(struct Sieve *filter, int *cond, int exec) | |
1690 | { | |
1691 | if (parse_white(filter)==-1) return -1; | |
1692 | if (parse_identifier(filter,CUS "address")) | |
1693 | { | |
1694 | /* | |
1695 | address-test = "address" { [address-part] [comparator] [match-type] } | |
1696 | <header-list: string-list> <key-list: string-list> | |
1697 | ||
1698 | header-list From, To, Cc, Bcc, Sender, Resent-From, Resent-To | |
1699 | */ | |
1700 | ||
1701 | enum AddressPart addressPart=ADDRPART_ALL; | |
5ea81592 | 1702 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
1703 | enum MatchType matchType=MATCH_IS; |
1704 | struct String *hdr,*h,*key,*k; | |
1705 | int m; | |
1706 | int ap=0,co=0,mt=0; | |
1707 | ||
1708 | for (;;) | |
1709 | { | |
1710 | if (parse_white(filter)==-1) return -1; | |
1711 | if ((m=parse_addresspart(filter,&addressPart))!=0) | |
1712 | { | |
1713 | if (m==-1) return -1; | |
1714 | if (ap) | |
1715 | { | |
1716 | filter->errmsg=CUS "address part already specified"; | |
1717 | return -1; | |
1718 | } | |
1719 | else ap=1; | |
1720 | } | |
1721 | else if ((m=parse_comparator(filter,&comparator))!=0) | |
1722 | { | |
1723 | if (m==-1) return -1; | |
1724 | if (co) | |
1725 | { | |
1726 | filter->errmsg=CUS "comparator already specified"; | |
1727 | return -1; | |
1728 | } | |
1729 | else co=1; | |
1730 | } | |
1731 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
1732 | { | |
1733 | if (m==-1) return -1; | |
1734 | if (mt) | |
1735 | { | |
1736 | filter->errmsg=CUS "match type already specified"; | |
1737 | return -1; | |
1738 | } | |
1739 | else mt=1; | |
1740 | } | |
1741 | else break; | |
1742 | } | |
1743 | if (parse_white(filter)==-1) return -1; | |
1744 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
1745 | { | |
1746 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
1747 | return -1; | |
1748 | } | |
1749 | if (parse_white(filter)==-1) return -1; | |
1750 | if ((m=parse_stringlist(filter,&key))!=1) | |
1751 | { | |
1752 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
1753 | return -1; | |
1754 | } | |
1755 | *cond=0; | |
1756 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
1757 | { | |
1758 | uschar *header_value=(uschar*)0,*extracted_addr,*end_addr; | |
1759 | ||
1760 | if | |
1761 | ( | |
1762 | !eq_asciicase(h,&str_from,0) | |
1763 | && !eq_asciicase(h,&str_to,0) | |
1764 | && !eq_asciicase(h,&str_cc,0) | |
1765 | && !eq_asciicase(h,&str_bcc,0) | |
1766 | && !eq_asciicase(h,&str_sender,0) | |
1767 | && !eq_asciicase(h,&str_resent_from,0) | |
1768 | && !eq_asciicase(h,&str_resent_to,0) | |
1769 | ) | |
1770 | { | |
1771 | filter->errmsg=CUS "invalid header field"; | |
1772 | return -1; | |
1773 | } | |
1774 | if (exec) | |
1775 | { | |
1776 | /* We are only interested in addresses below, so no MIME decoding */ | |
1777 | header_value=expand_string(string_sprintf("$rheader_%s",quote(h))); | |
1778 | if (header_value == NULL) | |
1779 | { | |
1780 | filter->errmsg=CUS "header string expansion failed"; | |
1781 | return -1; | |
1782 | } | |
1783 | parse_allow_group = TRUE; | |
1784 | while (*header_value && !*cond) | |
1785 | { | |
1786 | uschar *error; | |
1787 | int start, end, domain; | |
1788 | int saveend; | |
1789 | uschar *part=NULL; | |
1790 | ||
1791 | end_addr = parse_find_address_end(header_value, FALSE); | |
1792 | saveend = *end_addr; | |
1793 | *end_addr = 0; | |
1794 | extracted_addr = parse_extract_address(header_value, &error, &start, &end, &domain, FALSE); | |
1795 | ||
1796 | if (extracted_addr) switch (addressPart) | |
1797 | { | |
1798 | case ADDRPART_ALL: part=extracted_addr; break; | |
1799 | #ifdef SUBADDRESS | |
1800 | case ADDRPART_USER: | |
1801 | #endif | |
1802 | case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break; | |
1803 | case ADDRPART_DOMAIN: part=extracted_addr+domain; break; | |
1804 | #ifdef SUBADDRESS | |
e4a89c47 | 1805 | case ADDRPART_DETAIL: part=NULL; break; |
059ec3d9 | 1806 | #endif |
059ec3d9 PH |
1807 | } |
1808 | ||
1809 | *end_addr = saveend; | |
1810 | if (part) | |
1811 | { | |
1812 | for (k=key; k->length!=-1; ++k) | |
1813 | { | |
1814 | struct String partStr; | |
1815 | ||
1816 | partStr.character=part; | |
1817 | partStr.length=Ustrlen(part); | |
1818 | if (extracted_addr) | |
1819 | { | |
1820 | *cond=compare(filter,k,&partStr,comparator,matchType); | |
1821 | if (*cond==-1) return -1; | |
1822 | if (*cond) break; | |
1823 | } | |
1824 | } | |
1825 | } | |
1826 | if (saveend == 0) break; | |
1827 | header_value = end_addr + 1; | |
1828 | } | |
1829 | } | |
1830 | } | |
1831 | return 1; | |
1832 | } | |
1833 | else if (parse_identifier(filter,CUS "allof")) | |
1834 | { | |
1835 | /* | |
1836 | allof-test = "allof" <tests: test-list> | |
1837 | */ | |
1838 | ||
1839 | int n,true; | |
1840 | ||
1841 | switch (parse_testlist(filter,&n,&true,exec)) | |
1842 | { | |
1843 | case -1: return -1; | |
1844 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
1845 | default: *cond=(n==true); return 1; | |
1846 | } | |
1847 | } | |
1848 | else if (parse_identifier(filter,CUS "anyof")) | |
1849 | { | |
1850 | /* | |
1851 | anyof-test = "anyof" <tests: test-list> | |
1852 | */ | |
1853 | ||
1854 | int n,true; | |
1855 | ||
1856 | switch (parse_testlist(filter,&n,&true,exec)) | |
1857 | { | |
1858 | case -1: return -1; | |
1859 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
1860 | default: *cond=(true>0); return 1; | |
1861 | } | |
1862 | } | |
1863 | else if (parse_identifier(filter,CUS "exists")) | |
1864 | { | |
1865 | /* | |
1866 | exists-test = "exists" <header-names: string-list> | |
1867 | */ | |
1868 | ||
1869 | struct String *hdr,*h; | |
1870 | int m; | |
1871 | ||
1872 | if (parse_white(filter)==-1) return -1; | |
1873 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
1874 | { | |
1875 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
1876 | return -1; | |
1877 | } | |
1878 | if (exec) | |
1879 | { | |
1880 | *cond=1; | |
1881 | for (h=hdr; h->length!=-1 && *cond; ++h) | |
1882 | { | |
1883 | uschar *header_def; | |
1884 | ||
1885 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
1886 | if (header_def == NULL) | |
1887 | { | |
1888 | filter->errmsg=CUS "header string expansion failed"; | |
1889 | return -1; | |
1890 | } | |
1891 | if (Ustrcmp(header_def,"false")==0) *cond=0; | |
1892 | } | |
1893 | } | |
1894 | return 1; | |
1895 | } | |
1896 | else if (parse_identifier(filter,CUS "false")) | |
1897 | { | |
1898 | /* | |
1899 | false-test = "false" | |
1900 | */ | |
1901 | ||
1902 | *cond=0; | |
1903 | return 1; | |
1904 | } | |
1905 | else if (parse_identifier(filter,CUS "header")) | |
1906 | { | |
1907 | /* | |
1908 | header-test = "header" { [comparator] [match-type] } | |
1909 | <header-names: string-list> <key-list: string-list> | |
1910 | */ | |
1911 | ||
5ea81592 | 1912 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
1913 | enum MatchType matchType=MATCH_IS; |
1914 | struct String *hdr,*h,*key,*k; | |
1915 | int m; | |
1916 | int co=0,mt=0; | |
1917 | ||
1918 | for (;;) | |
1919 | { | |
1920 | if (parse_white(filter)==-1) return -1; | |
1921 | if ((m=parse_comparator(filter,&comparator))!=0) | |
1922 | { | |
1923 | if (m==-1) return -1; | |
1924 | if (co) | |
1925 | { | |
1926 | filter->errmsg=CUS "comparator already specified"; | |
1927 | return -1; | |
1928 | } | |
1929 | else co=1; | |
1930 | } | |
1931 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
1932 | { | |
1933 | if (m==-1) return -1; | |
1934 | if (mt) | |
1935 | { | |
1936 | filter->errmsg=CUS "match type already specified"; | |
1937 | return -1; | |
1938 | } | |
1939 | else mt=1; | |
1940 | } | |
1941 | else break; | |
1942 | } | |
1943 | if (parse_white(filter)==-1) return -1; | |
1944 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
1945 | { | |
1946 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
1947 | return -1; | |
1948 | } | |
1949 | if (parse_white(filter)==-1) return -1; | |
1950 | if ((m=parse_stringlist(filter,&key))!=1) | |
1951 | { | |
1952 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
1953 | return -1; | |
1954 | } | |
1955 | *cond=0; | |
1956 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
1957 | { | |
1958 | if (!is_header(h)) | |
1959 | { | |
1960 | filter->errmsg=CUS "invalid header field"; | |
1961 | return -1; | |
1962 | } | |
1963 | if (exec) | |
1964 | { | |
1965 | struct String header_value; | |
1966 | uschar *header_def; | |
1967 | ||
1968 | expand_header(&header_value,h); | |
1969 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
1970 | if (header_value.character == NULL || header_def == NULL) | |
1971 | { | |
1972 | filter->errmsg=CUS "header string expansion failed"; | |
1973 | return -1; | |
1974 | } | |
1975 | for (k=key; k->length!=-1; ++k) | |
1976 | { | |
1977 | if (Ustrcmp(header_def,"true")==0) | |
1978 | { | |
1979 | *cond=compare(filter,k,&header_value,comparator,matchType); | |
1980 | if (*cond==-1) return -1; | |
1981 | if (*cond) break; | |
1982 | } | |
1983 | } | |
1984 | } | |
1985 | } | |
1986 | return 1; | |
1987 | } | |
1988 | else if (parse_identifier(filter,CUS "not")) | |
1989 | { | |
1990 | if (parse_white(filter)==-1) return -1; | |
1991 | switch (parse_test(filter,cond,exec)) | |
1992 | { | |
1993 | case -1: return -1; | |
1994 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
1995 | default: *cond=!*cond; return 1; | |
1996 | } | |
1997 | } | |
1998 | else if (parse_identifier(filter,CUS "size")) | |
1999 | { | |
2000 | /* | |
2001 | relop = ":over" / ":under" | |
2002 | size-test = "size" relop <limit: number> | |
2003 | */ | |
2004 | ||
2005 | unsigned long limit; | |
2006 | int overNotUnder; | |
2007 | ||
2008 | if (parse_white(filter)==-1) return -1; | |
2009 | if (parse_identifier(filter,CUS ":over")) overNotUnder=1; | |
2010 | else if (parse_identifier(filter,CUS ":under")) overNotUnder=0; | |
2011 | else | |
2012 | { | |
2013 | filter->errmsg=CUS "missing :over or :under"; | |
2014 | return -1; | |
2015 | } | |
2016 | if (parse_white(filter)==-1) return -1; | |
2017 | if (parse_number(filter,&limit)==-1) return -1; | |
2018 | *cond=(overNotUnder ? (message_size>limit) : (message_size<limit)); | |
2019 | return 1; | |
2020 | } | |
2021 | else if (parse_identifier(filter,CUS "true")) | |
2022 | { | |
2023 | *cond=1; | |
2024 | return 1; | |
2025 | } | |
2026 | else if (parse_identifier(filter,CUS "envelope")) | |
2027 | { | |
2028 | /* | |
2029 | envelope-test = "envelope" { [comparator] [address-part] [match-type] } | |
2030 | <envelope-part: string-list> <key-list: string-list> | |
2031 | ||
2032 | envelope-part is case insensitive "from" or "to" | |
024bd3c2 PH |
2033 | #ifdef ENVELOPE_AUTH |
2034 | envelope-part =/ "auth" | |
2035 | #endif | |
059ec3d9 PH |
2036 | */ |
2037 | ||
5ea81592 | 2038 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2039 | enum AddressPart addressPart=ADDRPART_ALL; |
2040 | enum MatchType matchType=MATCH_IS; | |
2041 | struct String *env,*e,*key,*k; | |
2042 | int m; | |
2043 | int co=0,ap=0,mt=0; | |
2044 | ||
2045 | if (!filter->require_envelope) | |
2046 | { | |
2047 | filter->errmsg=CUS "missing previous require \"envelope\";"; | |
2048 | return -1; | |
2049 | } | |
2050 | for (;;) | |
2051 | { | |
2052 | if (parse_white(filter)==-1) return -1; | |
2053 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2054 | { | |
2055 | if (m==-1) return -1; | |
2056 | if (co) | |
2057 | { | |
2058 | filter->errmsg=CUS "comparator already specified"; | |
2059 | return -1; | |
2060 | } | |
2061 | else co=1; | |
2062 | } | |
2063 | else if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2064 | { | |
2065 | if (m==-1) return -1; | |
2066 | if (ap) | |
2067 | { | |
2068 | filter->errmsg=CUS "address part already specified"; | |
2069 | return -1; | |
2070 | } | |
2071 | else ap=1; | |
2072 | } | |
2073 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2074 | { | |
2075 | if (m==-1) return -1; | |
2076 | if (mt) | |
2077 | { | |
2078 | filter->errmsg=CUS "match type already specified"; | |
2079 | return -1; | |
2080 | } | |
2081 | else mt=1; | |
2082 | } | |
2083 | else break; | |
2084 | } | |
2085 | if (parse_white(filter)==-1) return -1; | |
2086 | if ((m=parse_stringlist(filter,&env))!=1) | |
2087 | { | |
2088 | if (m==0) filter->errmsg=CUS "envelope string list expected"; | |
2089 | return -1; | |
2090 | } | |
2091 | if (parse_white(filter)==-1) return -1; | |
2092 | if ((m=parse_stringlist(filter,&key))!=1) | |
2093 | { | |
2094 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2095 | return -1; | |
2096 | } | |
2097 | *cond=0; | |
87fcc8b9 | 2098 | for (e=env; e->length!=-1 && !*cond; ++e) |
059ec3d9 PH |
2099 | { |
2100 | const uschar *envelopeExpr=CUS 0; | |
2101 | uschar *envelope=US 0; | |
2102 | ||
2103 | if (eq_asciicase(e,&str_from,0)) | |
2104 | { | |
2105 | switch (addressPart) | |
2106 | { | |
2107 | case ADDRPART_ALL: envelopeExpr=CUS "$sender_address"; break; | |
2108 | #ifdef SUBADDRESS | |
2109 | case ADDRPART_USER: | |
2110 | #endif | |
2111 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break; | |
2112 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break; | |
2113 | #ifdef SUBADDRESS | |
e4a89c47 | 2114 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; |
059ec3d9 PH |
2115 | #endif |
2116 | } | |
2117 | } | |
2118 | else if (eq_asciicase(e,&str_to,0)) | |
2119 | { | |
2120 | switch (addressPart) | |
2121 | { | |
2122 | case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break; | |
2123 | #ifdef SUBADDRESS | |
e4a89c47 PH |
2124 | case ADDRPART_USER: envelopeExpr=filter->useraddress; break; |
2125 | case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break; | |
059ec3d9 PH |
2126 | #endif |
2127 | case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break; | |
2128 | case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break; | |
2129 | } | |
2130 | } | |
024bd3c2 PH |
2131 | #ifdef ENVELOPE_AUTH |
2132 | else if (eq_asciicase(e,&str_auth,0)) | |
2133 | { | |
2134 | switch (addressPart) | |
2135 | { | |
2136 | case ADDRPART_ALL: envelopeExpr=CUS "$authenticated_sender"; break; | |
2137 | #ifdef SUBADDRESS | |
2138 | case ADDRPART_USER: | |
2139 | #endif | |
2140 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$authenticated_sender}"; break; | |
2141 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$authenticated_sender}"; break; | |
2142 | #ifdef SUBADDRESS | |
2143 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; | |
2144 | #endif | |
2145 | } | |
2146 | } | |
2147 | #endif | |
059ec3d9 PH |
2148 | else |
2149 | { | |
2150 | filter->errmsg=CUS "invalid envelope string"; | |
2151 | return -1; | |
2152 | } | |
2153 | if (exec && envelopeExpr) | |
2154 | { | |
2155 | if ((envelope=expand_string(US envelopeExpr)) == NULL) | |
2156 | { | |
2157 | filter->errmsg=CUS "header string expansion failed"; | |
2158 | return -1; | |
2159 | } | |
2160 | for (k=key; k->length!=-1; ++k) | |
2161 | { | |
2162 | struct String envelopeStr; | |
2163 | ||
2164 | envelopeStr.character=envelope; | |
2165 | envelopeStr.length=Ustrlen(envelope); | |
7fe1560f | 2166 | *cond=compare(filter,k,&envelopeStr,comparator,matchType); |
059ec3d9 PH |
2167 | if (*cond==-1) return -1; |
2168 | if (*cond) break; | |
2169 | } | |
2170 | } | |
2171 | } | |
2172 | return 1; | |
2173 | } | |
2174 | else return 0; | |
2175 | } | |
2176 | ||
2177 | ||
2178 | /************************************************* | |
2179 | * Parse and interpret an optional block * | |
2180 | *************************************************/ | |
2181 | ||
2182 | /* | |
2183 | Arguments: | |
2184 | filter points to the Sieve filter including its state | |
2185 | exec Execute parsed statements | |
2186 | generated where to hang newly-generated addresses | |
2187 | ||
2188 | Returns: 2 success by stop | |
2189 | 1 other success | |
2190 | 0 no block command found | |
2191 | -1 syntax or execution error | |
2192 | */ | |
2193 | ||
2194 | static int parse_block(struct Sieve *filter, int exec, | |
2195 | address_item **generated) | |
2196 | { | |
2197 | int r; | |
2198 | ||
2199 | if (parse_white(filter)==-1) return -1; | |
2200 | if (*filter->pc=='{') | |
2201 | { | |
2202 | ++filter->pc; | |
2203 | if ((r=parse_commands(filter,exec,generated))==-1 || r==2) return r; | |
2204 | if (*filter->pc=='}') | |
2205 | { | |
2206 | ++filter->pc; | |
2207 | return 1; | |
2208 | } | |
2209 | else | |
2210 | { | |
8e669ac1 | 2211 | filter->errmsg=CUS "expecting command or closing brace"; |
059ec3d9 PH |
2212 | return -1; |
2213 | } | |
2214 | } | |
2215 | else return 0; | |
2216 | } | |
2217 | ||
2218 | ||
2219 | /************************************************* | |
2220 | * Match a semicolon * | |
2221 | *************************************************/ | |
2222 | ||
2223 | /* | |
2224 | Arguments: | |
2225 | filter points to the Sieve filter including its state | |
2226 | ||
2227 | Returns: 1 success | |
2228 | -1 syntax error | |
2229 | */ | |
2230 | ||
2231 | static int parse_semicolon(struct Sieve *filter) | |
2232 | { | |
2233 | if (parse_white(filter)==-1) return -1; | |
2234 | if (*filter->pc==';') | |
2235 | { | |
2236 | ++filter->pc; | |
2237 | return 1; | |
2238 | } | |
2239 | else | |
2240 | { | |
2241 | filter->errmsg=CUS "missing semicolon"; | |
2242 | return -1; | |
2243 | } | |
2244 | } | |
2245 | ||
2246 | ||
2247 | /************************************************* | |
2248 | * Parse and interpret a Sieve command * | |
2249 | *************************************************/ | |
2250 | ||
2251 | /* | |
2252 | Arguments: | |
2253 | filter points to the Sieve filter including its state | |
2254 | exec Execute parsed statements | |
2255 | generated where to hang newly-generated addresses | |
2256 | ||
2257 | Returns: 2 success by stop | |
2258 | 1 other success | |
2259 | -1 syntax or execution error | |
2260 | */ | |
2261 | static int parse_commands(struct Sieve *filter, int exec, | |
2262 | address_item **generated) | |
2263 | { | |
2264 | while (*filter->pc) | |
2265 | { | |
2266 | if (parse_white(filter)==-1) return -1; | |
2267 | if (parse_identifier(filter,CUS "if")) | |
2268 | { | |
2269 | /* | |
2270 | if-command = "if" test block *( "elsif" test block ) [ else block ] | |
2271 | */ | |
2272 | ||
2273 | int cond,m,unsuccessful; | |
2274 | ||
2275 | /* test block */ | |
2276 | if (parse_white(filter)==-1) return -1; | |
2277 | if ((m=parse_test(filter,&cond,exec))==-1) return -1; | |
2278 | if (m==0) | |
2279 | { | |
2280 | filter->errmsg=CUS "missing test"; | |
2281 | return -1; | |
2282 | } | |
87fcc8b9 PH |
2283 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2284 | (debug_selector & D_filter) != 0) | |
2285 | { | |
2286 | if (exec) debug_printf("if %s\n",cond?"true":"false"); | |
2287 | } | |
059ec3d9 PH |
2288 | m=parse_block(filter,exec ? cond : 0, generated); |
2289 | if (m==-1 || m==2) return m; | |
2290 | if (m==0) | |
2291 | { | |
2292 | filter->errmsg=CUS "missing block"; | |
2293 | return -1; | |
2294 | } | |
2295 | unsuccessful = !cond; | |
2296 | for (;;) /* elsif test block */ | |
2297 | { | |
2298 | if (parse_white(filter)==-1) return -1; | |
2299 | if (parse_identifier(filter,CUS "elsif")) | |
2300 | { | |
2301 | if (parse_white(filter)==-1) return -1; | |
2302 | m=parse_test(filter,&cond,exec && unsuccessful); | |
2303 | if (m==-1 || m==2) return m; | |
2304 | if (m==0) | |
2305 | { | |
2306 | filter->errmsg=CUS "missing test"; | |
2307 | return -1; | |
2308 | } | |
87fcc8b9 PH |
2309 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2310 | (debug_selector & D_filter) != 0) | |
2311 | { | |
2312 | if (exec) debug_printf("elsif %s\n",cond?"true":"false"); | |
2313 | } | |
059ec3d9 PH |
2314 | m=parse_block(filter,exec && unsuccessful ? cond : 0, generated); |
2315 | if (m==-1 || m==2) return m; | |
2316 | if (m==0) | |
2317 | { | |
2318 | filter->errmsg=CUS "missing block"; | |
2319 | return -1; | |
2320 | } | |
2321 | if (exec && unsuccessful && cond) unsuccessful = 0; | |
2322 | } | |
2323 | else break; | |
2324 | } | |
2325 | /* else block */ | |
2326 | if (parse_white(filter)==-1) return -1; | |
2327 | if (parse_identifier(filter,CUS "else")) | |
2328 | { | |
2329 | m=parse_block(filter,exec && unsuccessful, generated); | |
2330 | if (m==-1 || m==2) return m; | |
2331 | if (m==0) | |
2332 | { | |
2333 | filter->errmsg=CUS "missing block"; | |
2334 | return -1; | |
2335 | } | |
2336 | } | |
2337 | } | |
2338 | else if (parse_identifier(filter,CUS "stop")) | |
2339 | { | |
2340 | /* | |
2341 | stop-command = "stop" { stop-options } ";" | |
2342 | stop-options = | |
2343 | */ | |
2344 | ||
2345 | if (parse_semicolon(filter)==-1) return -1; | |
2346 | if (exec) | |
2347 | { | |
2348 | filter->pc+=Ustrlen(filter->pc); | |
2349 | return 2; | |
2350 | } | |
2351 | } | |
2352 | else if (parse_identifier(filter,CUS "keep")) | |
2353 | { | |
2354 | /* | |
2355 | keep-command = "keep" { keep-options } ";" | |
2356 | keep-options = | |
2357 | */ | |
2358 | ||
2359 | if (parse_semicolon(filter)==-1) return -1; | |
2360 | if (exec) | |
2361 | { | |
2362 | add_addr(generated,US"inbox",1,0,0,0); | |
2363 | filter->keep = 0; | |
2364 | } | |
2365 | } | |
2366 | else if (parse_identifier(filter,CUS "discard")) | |
2367 | { | |
2368 | /* | |
2369 | discard-command = "discard" { discard-options } ";" | |
2370 | discard-options = | |
2371 | */ | |
2372 | ||
2373 | if (parse_semicolon(filter)==-1) return -1; | |
2374 | if (exec) filter->keep=0; | |
2375 | } | |
2376 | else if (parse_identifier(filter,CUS "redirect")) | |
2377 | { | |
2378 | /* | |
2379 | redirect-command = "redirect" redirect-options "string" ";" | |
2380 | redirect-options = | |
2381 | redirect-options =) ":copy" | |
2382 | */ | |
2383 | ||
2384 | struct String recipient; | |
2385 | int m; | |
2386 | int copy=0; | |
2387 | ||
2388 | for (;;) | |
2389 | { | |
2390 | if (parse_white(filter)==-1) return -1; | |
2391 | if (parse_identifier(filter,CUS ":copy")==1) | |
2392 | { | |
2393 | if (!filter->require_copy) | |
2394 | { | |
2395 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2396 | return -1; | |
2397 | } | |
2398 | copy=1; | |
2399 | } | |
2400 | else break; | |
2401 | } | |
2402 | if (parse_white(filter)==-1) return -1; | |
2403 | if ((m=parse_string(filter,&recipient))!=1) | |
2404 | { | |
2405 | if (m==0) filter->errmsg=CUS "missing redirect recipient string"; | |
2406 | return -1; | |
2407 | } | |
2408 | if (strchr(CCS recipient.character,'@')==(char*)0) | |
2409 | { | |
2410 | filter->errmsg=CUS "unqualified recipient address"; | |
2411 | return -1; | |
2412 | } | |
2413 | if (exec) | |
2414 | { | |
2415 | add_addr(generated,recipient.character,0,0,0,0); | |
2416 | if (!copy) filter->keep = 0; | |
2417 | } | |
2418 | if (parse_semicolon(filter)==-1) return -1; | |
2419 | } | |
2420 | else if (parse_identifier(filter,CUS "fileinto")) | |
2421 | { | |
2422 | /* | |
2423 | fileinto-command = "fileinto" { fileinto-options } string ";" | |
2424 | fileinto-options = | |
2425 | fileinto-options =) [ ":copy" ] | |
87fcc8b9 | 2426 | */ |
059ec3d9 PH |
2427 | |
2428 | struct String folder; | |
2429 | uschar *s; | |
2430 | int m; | |
2431 | unsigned long maxage, maxmessages, maxstorage; | |
2432 | int copy=0; | |
2433 | ||
2434 | maxage = maxmessages = maxstorage = 0; | |
2435 | if (!filter->require_fileinto) | |
2436 | { | |
2437 | filter->errmsg=CUS "missing previous require \"fileinto\";"; | |
2438 | return -1; | |
2439 | } | |
2440 | for (;;) | |
2441 | { | |
2442 | if (parse_white(filter)==-1) return -1; | |
2443 | if (parse_identifier(filter,CUS ":copy")==1) | |
2444 | { | |
2445 | if (!filter->require_copy) | |
2446 | { | |
2447 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2448 | return -1; | |
2449 | } | |
2450 | copy=1; | |
2451 | } | |
2452 | else break; | |
2453 | } | |
2454 | if (parse_white(filter)==-1) return -1; | |
2455 | if ((m=parse_string(filter,&folder))!=1) | |
2456 | { | |
2457 | if (m==0) filter->errmsg=CUS "missing fileinto folder string"; | |
2458 | return -1; | |
2459 | } | |
2460 | m=0; s=folder.character; | |
2461 | if (folder.length==0) m=1; | |
2462 | if (Ustrcmp(s,"..")==0 || Ustrncmp(s,"../",3)==0) m=1; | |
2463 | else while (*s) | |
2464 | { | |
2465 | if (Ustrcmp(s,"/..")==0 || Ustrncmp(s,"/../",4)==0) { m=1; break; } | |
2466 | ++s; | |
2467 | } | |
2468 | if (m) | |
2469 | { | |
2470 | filter->errmsg=CUS "invalid folder"; | |
2471 | return -1; | |
2472 | } | |
2473 | if (exec) | |
2474 | { | |
2475 | add_addr(generated, folder.character, 1, maxage, maxmessages, maxstorage); | |
2476 | if (!copy) filter->keep = 0; | |
2477 | } | |
2478 | if (parse_semicolon(filter)==-1) return -1; | |
2479 | } | |
87fcc8b9 PH |
2480 | #ifdef NOTIFY |
2481 | else if (parse_identifier(filter,CUS "notify")) | |
2482 | { | |
2483 | /* | |
2484 | notify-command = "notify" { notify-options } ";" | |
2485 | notify-options = [":method" string] | |
50c99ba6 | 2486 | [":priority" string] |
87fcc8b9 PH |
2487 | [":message" string] |
2488 | */ | |
2489 | ||
2490 | int m; | |
2491 | struct String method; | |
50c99ba6 | 2492 | struct String priority; |
87fcc8b9 | 2493 | struct String message; |
50c99ba6 PH |
2494 | struct Notification *already; |
2495 | string_item *recipient; | |
2496 | struct String body; | |
2497 | uschar *envelope_from,*envelope_to; | |
87fcc8b9 PH |
2498 | |
2499 | if (!filter->require_notify) | |
2500 | { | |
2501 | filter->errmsg=CUS "missing previous require \"notify\";"; | |
2502 | return -1; | |
2503 | } | |
2504 | method.character=(uschar*)0; | |
2505 | method.length=-1; | |
50c99ba6 PH |
2506 | priority.character=(uschar*)0; |
2507 | priority.length=-1; | |
87fcc8b9 PH |
2508 | message.character=(uschar*)0; |
2509 | message.length=-1; | |
50c99ba6 PH |
2510 | recipient=NULL; |
2511 | body.length=-1; | |
2512 | body.character=(uschar*)0; | |
2513 | envelope_from=expand_string("$sender_address"); | |
2514 | envelope_to=expand_string("$local_part_prefix$local_part$local_part_suffix@$domain"); | |
87fcc8b9 PH |
2515 | for (;;) |
2516 | { | |
2517 | if (parse_white(filter)==-1) return -1; | |
2518 | if (parse_identifier(filter,CUS ":method")==1) | |
2519 | { | |
2520 | if (parse_white(filter)==-1) return -1; | |
2521 | if ((m=parse_string(filter,&method))!=1) | |
2522 | { | |
2523 | if (m==0) filter->errmsg=CUS "method string expected"; | |
2524 | return -1; | |
2525 | } | |
50c99ba6 PH |
2526 | if (method.length>7 && strncmp(method.character,"mailto:",7)==0) |
2527 | { | |
2528 | if (parse_mailto_uri(filter,method.character+7,&recipient,&body)==-1) return -1; | |
2529 | } | |
2530 | } | |
2531 | else if (parse_identifier(filter,CUS ":priority")==1) | |
2532 | { | |
2533 | if (parse_white(filter)==-1) return -1; | |
2534 | if ((m=parse_string(filter,&priority))!=1) | |
2535 | { | |
2536 | if (m==0) filter->errmsg=CUS "priority string expected"; | |
2537 | return -1; | |
2538 | } | |
87fcc8b9 PH |
2539 | } |
2540 | else if (parse_identifier(filter,CUS ":message")==1) | |
2541 | { | |
2542 | if (parse_white(filter)==-1) return -1; | |
2543 | if ((m=parse_string(filter,&message))!=1) | |
2544 | { | |
2545 | if (m==0) filter->errmsg=CUS "message string expected"; | |
2546 | return -1; | |
2547 | } | |
2548 | } | |
2549 | else break; | |
2550 | } | |
2551 | if (parse_semicolon(filter)==-1) return -1; | |
50c99ba6 PH |
2552 | |
2553 | if (method.length==-1) | |
2554 | { | |
2555 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
2556 | { | |
2557 | debug_printf("Ignoring method-less notification.\n"); | |
2558 | } | |
2559 | } | |
2560 | else | |
2561 | { | |
2562 | for (already=filter->notified; already; already=already->next) | |
2563 | { | |
2564 | if (already->method.length==method.length | |
2565 | && (method.length==-1 || strcmp(already->method.character,method.character)==0) | |
2566 | && already->priority.length==priority.length | |
2567 | && (priority.length==-1 || strcmp(already->priority.character,priority.character)==0) | |
2568 | && already->message.length==message.length | |
2569 | && (message.length==-1 || strcmp(already->message.character,message.character)==0)) | |
2570 | break; | |
2571 | } | |
2572 | if (already==(struct Notification*)0) | |
2573 | /* New notification, process it */ | |
2574 | { | |
2575 | struct Notification *sent; | |
2576 | sent=store_get(sizeof(struct Notification)); | |
2577 | sent->method=method; | |
2578 | sent->priority=priority; | |
2579 | sent->message=message; | |
2580 | sent->next=filter->notified; | |
2581 | filter->notified=sent; | |
2582 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
2583 | { | |
2584 | debug_printf("Notification to `%s'.\n",method.character); | |
2585 | } | |
2586 | if (exec) | |
2587 | { | |
2588 | string_item *p; | |
2589 | header_line *h; | |
2590 | int pid,fd; | |
2591 | ||
2592 | if ((pid = child_open_exim2(&fd,envelope_to,envelope_to))>=1) | |
2593 | { | |
2594 | FILE *f; | |
2595 | ||
2596 | f = fdopen(fd, "wb"); | |
2597 | fprintf(f,"From: %s\n",envelope_to); | |
2598 | for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); | |
2599 | for (h = header_list; h != NULL; h = h->next) | |
2600 | if (h->type == htype_received) fprintf(f,"%s",h->text); | |
2601 | fprintf(f,"Subject: %s\n",message.length==-1 ? CUS "notification" : message.character); | |
2602 | fprintf(f,"\n"); | |
2603 | if (body.length>0) fprintf(f,"%s\n",body.character); | |
2604 | fflush(f); | |
2605 | (void)fclose(f); | |
2606 | (void)child_close(pid, 0); | |
2607 | } | |
2608 | } | |
2609 | } | |
2610 | else | |
2611 | { | |
2612 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
2613 | { | |
2614 | debug_printf("Repeated notification to `%s' ignored.\n",method.character); | |
2615 | } | |
2616 | } | |
2617 | } | |
87fcc8b9 PH |
2618 | } |
2619 | #endif | |
059ec3d9 PH |
2620 | #ifdef VACATION |
2621 | else if (parse_identifier(filter,CUS "vacation")) | |
2622 | { | |
2623 | /* | |
2624 | vacation-command = "vacation" { vacation-options } <reason: string> ";" | |
2625 | vacation-options = [":days" number] | |
059ec3d9 | 2626 | [":subject" string] |
f656d135 PH |
2627 | [":from" string] |
2628 | [":addresses" string-list] | |
059ec3d9 | 2629 | [":mime"] |
f656d135 | 2630 | [":handle" string] |
059ec3d9 PH |
2631 | */ |
2632 | ||
2633 | int m; | |
2634 | unsigned long days; | |
059ec3d9 | 2635 | struct String subject; |
f656d135 PH |
2636 | struct String from; |
2637 | struct String *addresses; | |
059ec3d9 PH |
2638 | int reason_is_mime; |
2639 | string_item *aliases; | |
f656d135 | 2640 | struct String handle; |
059ec3d9 PH |
2641 | struct String reason; |
2642 | ||
2643 | if (!filter->require_vacation) | |
2644 | { | |
2645 | filter->errmsg=CUS "missing previous require \"vacation\";"; | |
2646 | return -1; | |
2647 | } | |
2648 | if (exec) | |
2649 | { | |
2650 | if (filter->vacation_ran) | |
2651 | { | |
2652 | filter->errmsg=CUS "trying to execute vacation more than once"; | |
2653 | return -1; | |
2654 | } | |
2655 | filter->vacation_ran=1; | |
2656 | } | |
2657 | days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7; | |
2658 | subject.character=(uschar*)0; | |
2659 | subject.length=-1; | |
f656d135 PH |
2660 | from.character=(uschar*)0; |
2661 | from.length=-1; | |
2662 | addresses=(struct String*)0; | |
059ec3d9 PH |
2663 | aliases=NULL; |
2664 | reason_is_mime=0; | |
f656d135 PH |
2665 | handle.character=(uschar*)0; |
2666 | handle.length=-1; | |
059ec3d9 PH |
2667 | for (;;) |
2668 | { | |
2669 | if (parse_white(filter)==-1) return -1; | |
2670 | if (parse_identifier(filter,CUS ":days")==1) | |
2671 | { | |
2672 | if (parse_white(filter)==-1) return -1; | |
2673 | if (parse_number(filter,&days)==-1) return -1; | |
2674 | if (days<VACATION_MIN_DAYS) days=VACATION_MIN_DAYS; | |
2675 | else if (days>VACATION_MAX_DAYS) days=VACATION_MAX_DAYS; | |
2676 | } | |
f656d135 PH |
2677 | else if (parse_identifier(filter,CUS ":subject")==1) |
2678 | { | |
2679 | if (parse_white(filter)==-1) return -1; | |
2680 | if ((m=parse_string(filter,&subject))!=1) | |
2681 | { | |
2682 | if (m==0) filter->errmsg=CUS "subject string expected"; | |
2683 | return -1; | |
2684 | } | |
2685 | } | |
2686 | else if (parse_identifier(filter,CUS ":from")==1) | |
2687 | { | |
2688 | int start, end, domain; | |
2689 | uschar *error,*ss; | |
2690 | ||
2691 | if (parse_white(filter)==-1) return -1; | |
2692 | if ((m=parse_string(filter,&from))!=1) | |
2693 | { | |
2694 | if (m==0) filter->errmsg=CUS "from string expected"; | |
2695 | return -1; | |
2696 | } | |
2697 | if (from.length>0) | |
2698 | { | |
2699 | ss = parse_extract_address(from.character, &error, &start, &end, &domain, | |
2700 | FALSE); | |
2701 | if (ss == NULL) | |
2702 | { | |
2703 | filter->errmsg=string_sprintf("malformed address \"%s\" in " | |
2704 | "Sieve filter: %s", from.character, error); | |
2705 | return -1; | |
2706 | } | |
2707 | } | |
2708 | else | |
2709 | { | |
2710 | filter->errmsg=CUS "empty :from address in Sieve filter"; | |
2711 | return -1; | |
2712 | } | |
2713 | } | |
059ec3d9 PH |
2714 | else if (parse_identifier(filter,CUS ":addresses")==1) |
2715 | { | |
2716 | struct String *a; | |
2717 | ||
2718 | if (parse_white(filter)==-1) return -1; | |
2719 | if ((m=parse_stringlist(filter,&addresses))!=1) | |
2720 | { | |
2721 | if (m==0) filter->errmsg=CUS "addresses string list expected"; | |
2722 | return -1; | |
2723 | } | |
2724 | for (a=addresses; a->length!=-1; ++a) | |
2725 | { | |
2726 | string_item *new; | |
2727 | ||
2728 | new=store_get(sizeof(string_item)); | |
2729 | new->text=store_get(a->length+1); | |
2730 | if (a->length) memcpy(new->text,a->character,a->length); | |
2731 | new->text[a->length]='\0'; | |
2732 | new->next=aliases; | |
2733 | aliases=new; | |
2734 | } | |
2735 | } | |
f656d135 PH |
2736 | else if (parse_identifier(filter,CUS ":mime")==1) |
2737 | reason_is_mime=1; | |
2738 | else if (parse_identifier(filter,CUS ":handle")==1) | |
059ec3d9 PH |
2739 | { |
2740 | if (parse_white(filter)==-1) return -1; | |
f656d135 | 2741 | if ((m=parse_string(filter,&from))!=1) |
059ec3d9 | 2742 | { |
f656d135 | 2743 | if (m==0) filter->errmsg=CUS "handle string expected"; |
059ec3d9 PH |
2744 | return -1; |
2745 | } | |
2746 | } | |
059ec3d9 PH |
2747 | else break; |
2748 | } | |
2749 | if (parse_white(filter)==-1) return -1; | |
2750 | if ((m=parse_string(filter,&reason))!=1) | |
2751 | { | |
2752 | if (m==0) filter->errmsg=CUS "missing reason string"; | |
2753 | return -1; | |
2754 | } | |
5ea81592 PH |
2755 | if (reason_is_mime) |
2756 | { | |
2757 | uschar *s,*end; | |
2758 | ||
2759 | for (s=reason.character,end=reason.character+reason.length; s<end && (*s&0x80)==0; ++s); | |
2760 | if (s<end) | |
2761 | { | |
2762 | filter->errmsg=CUS "MIME reason string contains 8bit text"; | |
2763 | return -1; | |
2764 | } | |
2765 | } | |
059ec3d9 PH |
2766 | if (parse_semicolon(filter)==-1) return -1; |
2767 | ||
2768 | if (exec) | |
2769 | { | |
2770 | address_item *addr; | |
2771 | int capacity,start; | |
2772 | uschar *buffer; | |
2773 | int buffer_capacity; | |
2774 | struct String key; | |
2775 | md5 base; | |
2776 | uschar digest[16]; | |
2777 | uschar hexdigest[33]; | |
2778 | int i; | |
2779 | uschar *once; | |
2780 | ||
2781 | if (filter_personal(aliases,TRUE)) | |
2782 | { | |
4929acf0 PH |
2783 | if (filter_test == FTEST_NONE) |
2784 | { | |
2785 | /* ensure oncelog directory exists; failure will be detected later */ | |
059ec3d9 | 2786 | |
4929acf0 PH |
2787 | (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); |
2788 | } | |
059ec3d9 PH |
2789 | /* build oncelog filename */ |
2790 | ||
2791 | key.character=(uschar*)0; | |
2792 | key.length=0; | |
2793 | capacity=0; | |
f656d135 | 2794 | if (handle.length==-1) |
8e669ac1 | 2795 | { |
f656d135 PH |
2796 | if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.length); |
2797 | if (from.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,from.character,from.length); | |
2798 | key.character=string_cat(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1); | |
2799 | key.character=string_cat(key.character,&capacity,&key.length,reason.character,reason.length); | |
8e669ac1 | 2800 | } |
f656d135 PH |
2801 | else |
2802 | key=handle; | |
059ec3d9 PH |
2803 | md5_start(&base); |
2804 | md5_end(&base, key.character, key.length, digest); | |
2805 | for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); | |
50c99ba6 | 2806 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 2807 | { |
4929acf0 | 2808 | debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest); |
059ec3d9 | 2809 | } |
50c99ba6 | 2810 | if (filter_test == FTEST_NONE) |
059ec3d9 | 2811 | { |
4929acf0 PH |
2812 | capacity=Ustrlen(filter->vacation_directory); |
2813 | start=capacity; | |
2814 | once=string_cat(filter->vacation_directory,&capacity,&start,US"/",1); | |
2815 | once=string_cat(once,&capacity,&start,hexdigest,33); | |
2816 | once[start] = '\0'; | |
2817 | ||
2818 | /* process subject */ | |
2819 | ||
2820 | if (subject.length==-1) | |
2821 | { | |
50c99ba6 PH |
2822 | uschar *subject_def; |
2823 | ||
2824 | subject_def=expand_string(US"${if def:header_subject {true}{false}}"); | |
2825 | if (Ustrcmp(subject_def,"true")==0) | |
2826 | { | |
2827 | expand_header(&subject,&str_subject); | |
2828 | capacity=6; | |
2829 | start=6; | |
2830 | subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); | |
2831 | subject.length=start; | |
2832 | } | |
2833 | else | |
2834 | { | |
2835 | subject.character=US"Automated reply"; | |
2836 | subject.length=Ustrlen(subject.character); | |
2837 | } | |
4929acf0 PH |
2838 | } |
2839 | ||
2840 | /* add address to list of generated addresses */ | |
2841 | ||
2842 | addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); | |
2843 | setflag(addr, af_pfr); | |
2844 | setflag(addr, af_ignore_error); | |
2845 | addr->next = *generated; | |
2846 | *generated = addr; | |
2847 | addr->reply = store_get(sizeof(reply_item)); | |
2848 | memset(addr->reply,0,sizeof(reply_item)); /* XXX */ | |
2849 | addr->reply->to = string_copy(sender_address); | |
f656d135 PH |
2850 | if (from.length==-1) |
2851 | addr->reply->from = expand_string(US"$local_part@$domain"); | |
2852 | else | |
2853 | addr->reply->from = from.character; | |
4929acf0 | 2854 | /* Allocation is larger than neccessary, but enough even for split MIME words */ |
50c99ba6 | 2855 | buffer_capacity=32+4*subject.length; |
4929acf0 | 2856 | buffer=store_get(buffer_capacity); |
46218253 | 2857 | addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); |
4929acf0 PH |
2858 | addr->reply->oncelog=once; |
2859 | addr->reply->once_repeat=days*86400; | |
2860 | ||
2861 | /* build body and MIME headers */ | |
2862 | ||
2863 | if (reason_is_mime) | |
2864 | { | |
2865 | uschar *mime_body,*reason_end; | |
4929acf0 | 2866 | static const uschar nlnl[]="\r\n\r\n"; |
059ec3d9 | 2867 | |
4929acf0 PH |
2868 | for |
2869 | ( | |
2870 | mime_body=reason.character,reason_end=reason.character+reason.length; | |
50c99ba6 | 2871 | mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1)); |
4929acf0 PH |
2872 | ++mime_body |
2873 | ); | |
2874 | capacity = 0; | |
2875 | start = 0; | |
2876 | addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character); | |
2877 | addr->reply->headers[start] = '\0'; | |
2878 | capacity = 0; | |
2879 | start = 0; | |
50c99ba6 | 2880 | if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=(sizeof(nlnl)-1); |
4929acf0 PH |
2881 | else mime_body=reason_end-1; |
2882 | addr->reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); | |
2883 | addr->reply->text[start] = '\0'; | |
2884 | } | |
2885 | else | |
2886 | { | |
2887 | struct String qp; | |
2888 | ||
2889 | capacity = 0; | |
2890 | start = reason.length; | |
2891 | addr->reply->headers = US"MIME-Version: 1.0\n" | |
2892 | "Content-Type: text/plain;\n" | |
2893 | "\tcharset=\"utf-8\"\n" | |
2894 | "Content-Transfer-Encoding: quoted-printable"; | |
2895 | addr->reply->text = quoted_printable_encode(&reason,&qp)->character; | |
2896 | } | |
059ec3d9 | 2897 | } |
4929acf0 | 2898 | } |
50c99ba6 | 2899 | else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 2900 | { |
4929acf0 | 2901 | debug_printf("Sieve: mail was not personal, vacation would ignore it\n"); |
059ec3d9 | 2902 | } |
059ec3d9 PH |
2903 | } |
2904 | } | |
4929acf0 | 2905 | else break; |
059ec3d9 | 2906 | #endif |
059ec3d9 PH |
2907 | } |
2908 | return 1; | |
2909 | } | |
2910 | ||
2911 | ||
2912 | /************************************************* | |
2913 | * Parse and interpret a sieve filter * | |
2914 | *************************************************/ | |
2915 | ||
2916 | /* | |
2917 | Arguments: | |
2918 | filter points to the Sieve filter including its state | |
2919 | exec Execute parsed statements | |
2920 | generated where to hang newly-generated addresses | |
2921 | ||
2922 | Returns: 1 success | |
2923 | -1 syntax or execution error | |
2924 | */ | |
2925 | ||
2926 | static int parse_start(struct Sieve *filter, int exec, | |
2927 | address_item **generated) | |
2928 | { | |
2929 | filter->pc=filter->filter; | |
2930 | filter->line=1; | |
2931 | filter->keep=1; | |
2932 | filter->require_envelope=0; | |
2933 | filter->require_fileinto=0; | |
024bd3c2 PH |
2934 | #ifdef ENVELOPE_AUTH |
2935 | filter->require_envelope_auth=0; | |
2936 | #endif | |
87fcc8b9 PH |
2937 | #ifdef NOTIFY |
2938 | filter->require_notify=0; | |
50c99ba6 | 2939 | filter->notified=(struct Notification*)0; |
87fcc8b9 | 2940 | #endif |
059ec3d9 PH |
2941 | #ifdef SUBADDRESS |
2942 | filter->require_subaddress=0; | |
2943 | #endif | |
2944 | #ifdef VACATION | |
2945 | filter->require_vacation=0; | |
2946 | filter->vacation_ran=0; | |
2947 | #endif | |
2948 | filter->require_copy=0; | |
2949 | filter->require_iascii_numeric=0; | |
2950 | ||
2951 | if (parse_white(filter)==-1) return -1; | |
2952 | ||
4929acf0 | 2953 | if (exec && filter->vacation_directory != NULL && filter_test == FTEST_NONE) |
059ec3d9 PH |
2954 | { |
2955 | DIR *oncelogdir; | |
2956 | struct dirent *oncelog; | |
2957 | struct stat properties; | |
2958 | time_t now; | |
2959 | ||
2960 | /* clean up old vacation log databases */ | |
2961 | ||
2962 | oncelogdir=opendir(CS filter->vacation_directory); | |
2963 | ||
2964 | if (oncelogdir ==(DIR*)0 && errno != ENOENT) | |
2965 | { | |
2966 | filter->errmsg=CUS "unable to open vacation directory"; | |
2967 | return -1; | |
2968 | } | |
2969 | ||
2970 | if (oncelogdir != NULL) | |
2971 | { | |
2972 | time(&now); | |
2973 | ||
2974 | while ((oncelog=readdir(oncelogdir))!=(struct dirent*)0) | |
2975 | { | |
2976 | if (strlen(oncelog->d_name)==32) | |
2977 | { | |
2978 | uschar *s=string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name); | |
2979 | if (Ustat(s,&properties)==0 && (properties.st_mtime+VACATION_MAX_DAYS*86400)<now) | |
2980 | Uunlink(s); | |
2981 | } | |
2982 | } | |
2983 | closedir(oncelogdir); | |
2984 | } | |
2985 | } | |
2986 | ||
2987 | while (parse_identifier(filter,CUS "require")) | |
2988 | { | |
2989 | /* | |
2990 | require-command = "require" <capabilities: string-list> | |
2991 | */ | |
2992 | ||
2993 | struct String *cap,*check; | |
2994 | int m; | |
2995 | ||
2996 | if (parse_white(filter)==-1) return -1; | |
2997 | if ((m=parse_stringlist(filter,&cap))!=1) | |
2998 | { | |
2999 | if (m==0) filter->errmsg=CUS "capability string list expected"; | |
3000 | return -1; | |
3001 | } | |
3002 | for (check=cap; check->character; ++check) | |
3003 | { | |
5ea81592 PH |
3004 | if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1; |
3005 | else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1; | |
024bd3c2 PH |
3006 | #ifdef ENVELOPE_AUTH |
3007 | else if (eq_octet(check,&str_envelope_auth,0)) filter->require_envelope_auth=1; | |
3008 | #endif | |
87fcc8b9 PH |
3009 | #ifdef NOTIFY |
3010 | else if (eq_octet(check,&str_notify,0)) filter->require_notify=1; | |
3011 | #endif | |
059ec3d9 | 3012 | #ifdef SUBADDRESS |
5ea81592 | 3013 | else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; |
059ec3d9 PH |
3014 | #endif |
3015 | #ifdef VACATION | |
5ea81592 | 3016 | else if (eq_octet(check,&str_vacation,0)) |
059ec3d9 | 3017 | { |
4929acf0 | 3018 | if (filter_test == FTEST_NONE && filter->vacation_directory == NULL) |
059ec3d9 PH |
3019 | { |
3020 | filter->errmsg=CUS "vacation disabled"; | |
3021 | return -1; | |
3022 | } | |
3023 | filter->require_vacation=1; | |
3024 | } | |
3025 | #endif | |
5ea81592 PH |
3026 | else if (eq_octet(check,&str_copy,0)) filter->require_copy=1; |
3027 | else if (eq_octet(check,&str_comparator_ioctet,0)) ; | |
3028 | else if (eq_octet(check,&str_comparator_iascii_casemap,0)) ; | |
3029 | else if (eq_octet(check,&str_comparator_enascii_casemap,0)) ; | |
3030 | else if (eq_octet(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; | |
059ec3d9 PH |
3031 | else |
3032 | { | |
3033 | filter->errmsg=CUS "unknown capability"; | |
3034 | return -1; | |
3035 | } | |
3036 | } | |
3037 | if (parse_semicolon(filter)==-1) return -1; | |
3038 | } | |
3039 | if (parse_commands(filter,exec,generated)==-1) return -1; | |
3040 | if (*filter->pc) | |
3041 | { | |
3042 | filter->errmsg=CUS "syntax error"; | |
3043 | return -1; | |
3044 | } | |
3045 | return 1; | |
3046 | } | |
3047 | ||
3048 | ||
3049 | /************************************************* | |
3050 | * Interpret a sieve filter file * | |
3051 | *************************************************/ | |
3052 | ||
3053 | /* | |
3054 | Arguments: | |
3055 | filter points to the entire file, read into store as a single string | |
3056 | options controls whether various special things are allowed, and requests | |
3057 | special actions (not currently used) | |
3058 | sieve_vacation_directory where to store vacation "once" files | |
e4a89c47 PH |
3059 | useraddress string expression for :user part of address |
3060 | subaddress string expression for :subaddress part of address | |
059ec3d9 PH |
3061 | generated where to hang newly-generated addresses |
3062 | error where to pass back an error text | |
3063 | ||
3064 | Returns: FF_DELIVERED success, a significant action was taken | |
3065 | FF_NOTDELIVERED success, no significant action | |
3066 | FF_DEFER defer requested | |
3067 | FF_FAIL fail requested | |
3068 | FF_FREEZE freeze requested | |
3069 | FF_ERROR there was a problem | |
3070 | */ | |
3071 | ||
3072 | int | |
3073 | sieve_interpret(uschar *filter, int options, uschar *vacation_directory, | |
e4a89c47 | 3074 | uschar *useraddress, uschar *subaddress, address_item **generated, uschar **error) |
059ec3d9 PH |
3075 | { |
3076 | struct Sieve sieve; | |
3077 | int r; | |
3078 | uschar *msg; | |
3079 | ||
3080 | options = options; /* Keep picky compilers happy */ | |
3081 | error = error; | |
3082 | ||
3083 | DEBUG(D_route) debug_printf("Sieve: start of processing\n"); | |
3084 | sieve.filter=filter; | |
3085 | ||
3086 | if (vacation_directory == NULL) | |
3087 | sieve.vacation_directory = NULL; | |
3088 | else | |
3089 | { | |
3090 | sieve.vacation_directory=expand_string(vacation_directory); | |
3091 | if (sieve.vacation_directory == NULL) | |
3092 | { | |
3093 | *error = string_sprintf("failed to expand \"%s\" " | |
3094 | "(sieve_vacation_directory): %s", vacation_directory, | |
3095 | expand_string_message); | |
3096 | return FF_ERROR; | |
3097 | } | |
3098 | } | |
3099 | ||
e4a89c47 PH |
3100 | sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress; |
3101 | sieve.subaddress = subaddress; | |
3102 | ||
059ec3d9 PH |
3103 | #ifdef COMPILE_SYNTAX_CHECKER |
3104 | if (parse_start(&sieve,0,generated)==1) | |
3105 | #else | |
3106 | if (parse_start(&sieve,1,generated)==1) | |
3107 | #endif | |
3108 | { | |
3109 | if (sieve.keep) | |
3110 | { | |
3111 | add_addr(generated,US"inbox",1,0,0,0); | |
1c59d63b | 3112 | msg = string_sprintf("Implicit keep"); |
059ec3d9 PH |
3113 | r = FF_DELIVERED; |
3114 | } | |
1c59d63b | 3115 | else |
059ec3d9 | 3116 | { |
1c59d63b | 3117 | msg = string_sprintf("No implicit keep"); |
059ec3d9 PH |
3118 | r = FF_DELIVERED; |
3119 | } | |
3120 | } | |
3121 | else | |
3122 | { | |
3123 | msg = string_sprintf("Sieve error: %s in line %d",sieve.errmsg,sieve.line); | |
3124 | #ifdef COMPILE_SYNTAX_CHECKER | |
3125 | r = FF_ERROR; | |
3126 | *error = msg; | |
3127 | #else | |
3128 | add_addr(generated,US"inbox",1,0,0,0); | |
3129 | r = FF_DELIVERED; | |
3130 | #endif | |
3131 | } | |
3132 | ||
3133 | #ifndef COMPILE_SYNTAX_CHECKER | |
f05da2e8 | 3134 | if (filter_test != FTEST_NONE) printf("%s\n", (const char*) msg); |
059ec3d9 PH |
3135 | else debug_printf("%s\n", msg); |
3136 | #endif | |
3137 | ||
3138 | DEBUG(D_route) debug_printf("Sieve: end of processing\n"); | |
3139 | return r; | |
3140 | } |