Commit | Line | Data |
---|---|---|
059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
80fea873 JH |
5 | /* Copyright (c) Michael Haardt 2003 - 2015 |
6 | * Copyright (c) The Exim Maintainers 2016 | |
7 | * See the file NOTICE for conditions of use and distribution. | |
8 | */ | |
059ec3d9 PH |
9 | |
10 | /* This code was contributed by Michael Haardt. */ | |
11 | ||
12 | ||
13 | /* Sieve mail filter. */ | |
14 | ||
15 | #include <ctype.h> | |
16 | #include <errno.h> | |
17 | #include <limits.h> | |
18 | #include <stdlib.h> | |
19 | #include <string.h> | |
20 | ||
21 | #include "exim.h" | |
22 | ||
23 | #if HAVE_ICONV | |
24 | #include <iconv.h> | |
25 | #endif | |
26 | ||
27 | /* Define this for RFC compliant \r\n end-of-line terminators. */ | |
28 | /* Undefine it for UNIX-style \n end-of-line terminators (default). */ | |
29 | #undef RFC_EOL | |
30 | ||
84024b72 | 31 | /* Define this for development of the Sieve extension "encoded-character". */ |
4be39b49 | 32 | #define ENCODED_CHARACTER |
84024b72 | 33 | |
024bd3c2 PH |
34 | /* Define this for development of the Sieve extension "envelope-auth". */ |
35 | #undef ENVELOPE_AUTH | |
36 | ||
7c5214ec | 37 | /* Define this for development of the Sieve extension "enotify". */ |
4be39b49 | 38 | #define ENOTIFY |
87fcc8b9 PH |
39 | |
40 | /* Define this for the Sieve extension "subaddress". */ | |
5ea81592 | 41 | #define SUBADDRESS |
059ec3d9 | 42 | |
87fcc8b9 | 43 | /* Define this for the Sieve extension "vacation". */ |
059ec3d9 PH |
44 | #define VACATION |
45 | ||
46 | /* Must be >= 1 */ | |
47 | #define VACATION_MIN_DAYS 1 | |
48 | /* Must be >= VACATION_MIN_DAYS, must be > 7, should be > 30 */ | |
49 | #define VACATION_MAX_DAYS 31 | |
50 | ||
51 | /* Keep this at 75 to accept only RFC compliant MIME words. */ | |
52 | /* Increase it if you want to match headers from buggy MUAs. */ | |
53 | #define MIMEWORD_LENGTH 75 | |
54 | ||
55 | struct Sieve | |
56 | { | |
57 | uschar *filter; | |
58 | const uschar *pc; | |
59 | int line; | |
60 | const uschar *errmsg; | |
61 | int keep; | |
62 | int require_envelope; | |
63 | int require_fileinto; | |
84024b72 PH |
64 | #ifdef ENCODED_CHARACTER |
65 | int require_encoded_character; | |
66 | #endif | |
024bd3c2 PH |
67 | #ifdef ENVELOPE_AUTH |
68 | int require_envelope_auth; | |
69 | #endif | |
7c5214ec PH |
70 | #ifdef ENOTIFY |
71 | int require_enotify; | |
50c99ba6 | 72 | struct Notification *notified; |
87fcc8b9 | 73 | #endif |
efd9a422 | 74 | uschar *enotify_mailto_owner; |
059ec3d9 PH |
75 | #ifdef SUBADDRESS |
76 | int require_subaddress; | |
77 | #endif | |
78 | #ifdef VACATION | |
79 | int require_vacation; | |
80 | int vacation_ran; | |
81 | #endif | |
82 | uschar *vacation_directory; | |
e4a89c47 PH |
83 | const uschar *subaddress; |
84 | const uschar *useraddress; | |
059ec3d9 PH |
85 | int require_copy; |
86 | int require_iascii_numeric; | |
87 | }; | |
88 | ||
5ea81592 | 89 | enum Comparator { COMP_OCTET, COMP_EN_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; |
059ec3d9 PH |
90 | enum MatchType { MATCH_IS, MATCH_CONTAINS, MATCH_MATCHES }; |
91 | #ifdef SUBADDRESS | |
92 | enum AddressPart { ADDRPART_USER, ADDRPART_DETAIL, ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
93 | #else | |
94 | enum AddressPart { ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; | |
95 | #endif | |
96 | enum RelOp { LT, LE, EQ, GE, GT, NE }; | |
97 | ||
98 | struct String | |
99 | { | |
100 | uschar *character; | |
101 | int length; | |
102 | }; | |
103 | ||
50c99ba6 PH |
104 | struct Notification |
105 | { | |
106 | struct String method; | |
7c5214ec | 107 | struct String importance; |
50c99ba6 PH |
108 | struct String message; |
109 | struct Notification *next; | |
110 | }; | |
111 | ||
98a90c36 PP |
112 | /* This should be a complete list of supported extensions, so that an external |
113 | ManageSieve (RFC 5804) program can interrogate the current Exim binary for the | |
114 | list of extensions and provide correct information to a client. | |
115 | ||
116 | We'll emit the list in the order given here; keep it alphabetically sorted, so | |
117 | that callers don't get surprised. | |
118 | ||
119 | List *MUST* end with a NULL. Which at least makes ifdef-vs-comma easier. */ | |
120 | ||
121 | const uschar *exim_sieve_extension_list[] = { | |
122 | CUS"comparator-i;ascii-numeric", | |
123 | CUS"copy", | |
124 | #ifdef ENCODED_CHARACTER | |
125 | CUS"encoded-character", | |
126 | #endif | |
127 | #ifdef ENOTIFY | |
128 | CUS"enotify", | |
129 | #endif | |
130 | CUS"envelope", | |
131 | #ifdef ENVELOPE_AUTH | |
132 | CUS"envelope-auth", | |
133 | #endif | |
134 | CUS"fileinto", | |
135 | #ifdef SUBADDRESS | |
136 | CUS"subaddress", | |
137 | #endif | |
138 | #ifdef VACATION | |
139 | CUS"vacation", | |
140 | #endif | |
141 | NULL | |
142 | }; | |
143 | ||
7c5214ec | 144 | static int eq_asciicase(const struct String *needle, const struct String *haystack, int match_prefix); |
059ec3d9 PH |
145 | static int parse_test(struct Sieve *filter, int *cond, int exec); |
146 | static int parse_commands(struct Sieve *filter, int exec, address_item **generated); | |
147 | ||
148 | static uschar str_from_c[]="From"; | |
149 | static const struct String str_from={ str_from_c, 4 }; | |
150 | static uschar str_to_c[]="To"; | |
151 | static const struct String str_to={ str_to_c, 2 }; | |
152 | static uschar str_cc_c[]="Cc"; | |
153 | static const struct String str_cc={ str_cc_c, 2 }; | |
154 | static uschar str_bcc_c[]="Bcc"; | |
155 | static const struct String str_bcc={ str_bcc_c, 3 }; | |
024bd3c2 PH |
156 | static uschar str_auth_c[]="auth"; |
157 | static const struct String str_auth={ str_auth_c, 4 }; | |
059ec3d9 PH |
158 | static uschar str_sender_c[]="Sender"; |
159 | static const struct String str_sender={ str_sender_c, 6 }; | |
160 | static uschar str_resent_from_c[]="Resent-From"; | |
161 | static const struct String str_resent_from={ str_resent_from_c, 11 }; | |
162 | static uschar str_resent_to_c[]="Resent-To"; | |
163 | static const struct String str_resent_to={ str_resent_to_c, 9 }; | |
164 | static uschar str_fileinto_c[]="fileinto"; | |
165 | static const struct String str_fileinto={ str_fileinto_c, 8 }; | |
166 | static uschar str_envelope_c[]="envelope"; | |
167 | static const struct String str_envelope={ str_envelope_c, 8 }; | |
84024b72 PH |
168 | #ifdef ENCODED_CHARACTER |
169 | static uschar str_encoded_character_c[]="encoded-character"; | |
170 | static const struct String str_encoded_character={ str_encoded_character_c, 17 }; | |
171 | #endif | |
024bd3c2 PH |
172 | #ifdef ENVELOPE_AUTH |
173 | static uschar str_envelope_auth_c[]="envelope-auth"; | |
174 | static const struct String str_envelope_auth={ str_envelope_auth_c, 13 }; | |
175 | #endif | |
7c5214ec PH |
176 | #ifdef ENOTIFY |
177 | static uschar str_enotify_c[]="enotify"; | |
178 | static const struct String str_enotify={ str_enotify_c, 7 }; | |
d6a60c0f PH |
179 | static uschar str_online_c[]="online"; |
180 | static const struct String str_online={ str_online_c, 6 }; | |
181 | static uschar str_maybe_c[]="maybe"; | |
182 | static const struct String str_maybe={ str_maybe_c, 5 }; | |
c66441d7 MH |
183 | static uschar str_auto_submitted_c[]="Auto-Submitted"; |
184 | static const struct String str_auto_submitted={ str_auto_submitted_c, 14 }; | |
87fcc8b9 | 185 | #endif |
059ec3d9 PH |
186 | #ifdef SUBADDRESS |
187 | static uschar str_subaddress_c[]="subaddress"; | |
188 | static const struct String str_subaddress={ str_subaddress_c, 10 }; | |
189 | #endif | |
190 | #ifdef VACATION | |
191 | static uschar str_vacation_c[]="vacation"; | |
192 | static const struct String str_vacation={ str_vacation_c, 8 }; | |
193 | static uschar str_subject_c[]="Subject"; | |
194 | static const struct String str_subject={ str_subject_c, 7 }; | |
195 | #endif | |
196 | static uschar str_copy_c[]="copy"; | |
197 | static const struct String str_copy={ str_copy_c, 4 }; | |
198 | static uschar str_iascii_casemap_c[]="i;ascii-casemap"; | |
199 | static const struct String str_iascii_casemap={ str_iascii_casemap_c, 15 }; | |
5ea81592 PH |
200 | static uschar str_enascii_casemap_c[]="en;ascii-casemap"; |
201 | static const struct String str_enascii_casemap={ str_enascii_casemap_c, 16 }; | |
059ec3d9 PH |
202 | static uschar str_ioctet_c[]="i;octet"; |
203 | static const struct String str_ioctet={ str_ioctet_c, 7 }; | |
204 | static uschar str_iascii_numeric_c[]="i;ascii-numeric"; | |
205 | static const struct String str_iascii_numeric={ str_iascii_numeric_c, 15 }; | |
206 | static uschar str_comparator_iascii_casemap_c[]="comparator-i;ascii-casemap"; | |
207 | static const struct String str_comparator_iascii_casemap={ str_comparator_iascii_casemap_c, 26 }; | |
5ea81592 PH |
208 | static uschar str_comparator_enascii_casemap_c[]="comparator-en;ascii-casemap"; |
209 | static const struct String str_comparator_enascii_casemap={ str_comparator_enascii_casemap_c, 27 }; | |
059ec3d9 PH |
210 | static uschar str_comparator_ioctet_c[]="comparator-i;octet"; |
211 | static const struct String str_comparator_ioctet={ str_comparator_ioctet_c, 18 }; | |
212 | static uschar str_comparator_iascii_numeric_c[]="comparator-i;ascii-numeric"; | |
213 | static const struct String str_comparator_iascii_numeric={ str_comparator_iascii_numeric_c, 26 }; | |
214 | ||
215 | ||
216 | /************************************************* | |
217 | * Encode to quoted-printable * | |
218 | *************************************************/ | |
219 | ||
220 | /* | |
221 | Arguments: | |
222 | src UTF-8 string | |
50c99ba6 PH |
223 | dst US-ASCII string |
224 | ||
225 | Returns | |
226 | dst | |
059ec3d9 PH |
227 | */ |
228 | ||
229 | static struct String *quoted_printable_encode(const struct String *src, struct String *dst) | |
230 | { | |
231 | int pass; | |
232 | const uschar *start,*end; | |
233 | uschar *new = NULL; | |
234 | uschar ch; | |
235 | size_t line; | |
236 | ||
8d468c4c JH |
237 | /* Two passes: one to count output allocation size, second |
238 | to do the encoding */ | |
239 | ||
059ec3d9 PH |
240 | for (pass=0; pass<=1; ++pass) |
241 | { | |
242 | line=0; | |
243 | if (pass==0) | |
244 | dst->length=0; | |
245 | else | |
246 | { | |
247 | dst->character=store_get(dst->length+1); /* plus one for \0 */ | |
248 | new=dst->character; | |
249 | } | |
250 | for (start=src->character,end=start+src->length; start<end; ++start) | |
251 | { | |
252 | ch=*start; | |
8d468c4c | 253 | if (line>=73) /* line length limit */ |
059ec3d9 PH |
254 | { |
255 | if (pass==0) | |
256 | dst->length+=2; | |
257 | else | |
258 | { | |
8d468c4c | 259 | *new++='='; /* line split */ |
059ec3d9 PH |
260 | *new++='\n'; |
261 | } | |
262 | line=0; | |
263 | } | |
8d468c4c JH |
264 | if ( (ch>='!' && ch<='<') |
265 | || (ch>='>' && ch<='~') | |
266 | || ( (ch=='\t' || ch==' ') | |
267 | && start+2<end | |
268 | && (*(start+1)!='\r' || *(start+2)!='\n') /* CRLF */ | |
269 | ) | |
270 | ) | |
059ec3d9 PH |
271 | { |
272 | if (pass==0) | |
273 | ++dst->length; | |
274 | else | |
8d468c4c | 275 | *new++=*start; /* copy char */ |
059ec3d9 PH |
276 | ++line; |
277 | } | |
8d468c4c | 278 | else if (ch=='\r' && start+1<end && *(start+1)=='\n') /* CRLF */ |
059ec3d9 PH |
279 | { |
280 | if (pass==0) | |
059ec3d9 | 281 | ++dst->length; |
059ec3d9 | 282 | else |
8d468c4c JH |
283 | *new++='\n'; /* NL */ |
284 | line=0; | |
285 | ++start; /* consume extra input char */ | |
059ec3d9 | 286 | } |
059ec3d9 PH |
287 | else |
288 | { | |
289 | if (pass==0) | |
290 | dst->length+=3; | |
291 | else | |
8d468c4c JH |
292 | { /* encoded char */ |
293 | new += sprintf(CS new,"=%02X",ch); | |
059ec3d9 PH |
294 | new+=3; |
295 | } | |
296 | line+=3; | |
297 | } | |
298 | } | |
299 | } | |
300 | *new='\0'; /* not included in length, but nice */ | |
301 | return dst; | |
302 | } | |
303 | ||
304 | ||
7c5214ec PH |
305 | /************************************************* |
306 | * Check mail address for correct syntax * | |
307 | *************************************************/ | |
308 | ||
309 | /* | |
310 | Check mail address for being syntactically correct. | |
311 | ||
312 | Arguments: | |
313 | filter points to the Sieve filter including its state | |
314 | address String containing one address | |
315 | ||
316 | Returns | |
317 | 1 Mail address is syntactically OK | |
318 | -1 syntax error | |
319 | */ | |
320 | ||
321 | int check_mail_address(struct Sieve *filter, const struct String *address) | |
322 | { | |
323 | int start, end, domain; | |
324 | uschar *error,*ss; | |
325 | ||
326 | if (address->length>0) | |
327 | { | |
328 | ss = parse_extract_address(address->character, &error, &start, &end, &domain, | |
329 | FALSE); | |
330 | if (ss == NULL) | |
331 | { | |
332 | filter->errmsg=string_sprintf("malformed address \"%s\" (%s)", | |
333 | address->character, error); | |
334 | return -1; | |
335 | } | |
336 | else | |
337 | return 1; | |
338 | } | |
339 | else | |
340 | { | |
341 | filter->errmsg=CUS "empty address"; | |
342 | return -1; | |
343 | } | |
344 | } | |
345 | ||
346 | ||
50c99ba6 PH |
347 | /************************************************* |
348 | * Decode URI encoded string * | |
349 | *************************************************/ | |
350 | ||
351 | /* | |
352 | Arguments: | |
353 | str URI encoded string | |
354 | ||
355 | Returns | |
356 | 0 Decoding successful | |
357 | -1 Encoding error | |
358 | */ | |
359 | ||
7c5214ec | 360 | #ifdef ENOTIFY |
50c99ba6 PH |
361 | static int uri_decode(struct String *str) |
362 | { | |
363 | uschar *s,*t,*e; | |
364 | ||
365 | if (str->length==0) return 0; | |
366 | for (s=str->character,t=s,e=s+str->length; s<e; ) | |
367 | { | |
368 | if (*s=='%') | |
369 | { | |
370 | if (s+2<e && isxdigit(*(s+1)) && isxdigit(*(s+2))) | |
371 | { | |
372 | *t++=((isdigit(*(s+1)) ? *(s+1)-'0' : tolower(*(s+1))-'a'+10)<<4) | |
373 | | (isdigit(*(s+2)) ? *(s+2)-'0' : tolower(*(s+2))-'a'+10); | |
374 | s+=3; | |
375 | } | |
376 | else return -1; | |
377 | } | |
378 | else | |
379 | *t++=*s++; | |
380 | } | |
381 | *t='\0'; | |
382 | str->length=t-str->character; | |
383 | return 0; | |
384 | } | |
385 | ||
386 | ||
387 | /************************************************* | |
388 | * Parse mailto URI * | |
389 | *************************************************/ | |
390 | ||
391 | /* | |
392 | Parse mailto-URI. | |
393 | ||
394 | mailtoURI = "mailto:" [ to ] [ headers ] | |
395 | to = [ addr-spec *("%2C" addr-spec ) ] | |
396 | headers = "?" header *( "&" header ) | |
397 | header = hname "=" hvalue | |
398 | hname = *urlc | |
399 | hvalue = *urlc | |
400 | ||
401 | Arguments: | |
402 | filter points to the Sieve filter including its state | |
403 | uri URI, excluding scheme | |
7c5214ec PH |
404 | recipient |
405 | body | |
50c99ba6 PH |
406 | |
407 | Returns | |
408 | 1 URI is syntactically OK | |
7c5214ec | 409 | 0 Unknown URI scheme |
50c99ba6 PH |
410 | -1 syntax error |
411 | */ | |
412 | ||
4be39b49 | 413 | static int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *header, struct String *subject, struct String *body) |
50c99ba6 PH |
414 | { |
415 | const uschar *start; | |
b0fa97c1 | 416 | struct String to, hname; |
f2ed27cf | 417 | struct String hvalue = {.character = NULL, .length = 0}; |
50c99ba6 PH |
418 | int capacity; |
419 | string_item *new; | |
420 | ||
7c5214ec PH |
421 | if (Ustrncmp(uri,"mailto:",7)) |
422 | { | |
423 | filter->errmsg=US "Unknown URI scheme"; | |
424 | return 0; | |
425 | } | |
b0fa97c1 | 426 | |
7c5214ec | 427 | uri+=7; |
50c99ba6 PH |
428 | if (*uri && *uri!='?') |
429 | for (;;) | |
430 | { | |
431 | /* match to */ | |
432 | for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri); | |
433 | if (uri>start) | |
434 | { | |
435 | capacity=0; | |
d4ff61d1 | 436 | to.character= NULL; |
50c99ba6 | 437 | to.length=0; |
c2f669a4 | 438 | to.character=string_catn(to.character, &capacity, &to.length, start, uri-start); |
50c99ba6 PH |
439 | to.character[to.length]='\0'; |
440 | if (uri_decode(&to)==-1) | |
441 | { | |
442 | filter->errmsg=US"Invalid URI encoding"; | |
443 | return -1; | |
444 | } | |
445 | new=store_get(sizeof(string_item)); | |
446 | new->text=store_get(to.length+1); | |
447 | if (to.length) memcpy(new->text,to.character,to.length); | |
448 | new->text[to.length]='\0'; | |
449 | new->next=*recipient; | |
450 | *recipient=new; | |
451 | } | |
452 | else | |
453 | { | |
454 | filter->errmsg=US"Missing addr-spec in URI"; | |
455 | return -1; | |
456 | } | |
457 | if (*uri=='%') uri+=3; | |
458 | else break; | |
459 | } | |
460 | if (*uri=='?') | |
461 | { | |
462 | ++uri; | |
463 | for (;;) | |
464 | { | |
465 | /* match hname */ | |
466 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
467 | if (uri>start) | |
468 | { | |
469 | capacity=0; | |
d4ff61d1 | 470 | hname.character= NULL; |
50c99ba6 | 471 | hname.length=0; |
c2f669a4 | 472 | hname.character = string_catn(hname.character, &capacity, &hname.length, start, uri-start); |
50c99ba6 PH |
473 | hname.character[hname.length]='\0'; |
474 | if (uri_decode(&hname)==-1) | |
475 | { | |
476 | filter->errmsg=US"Invalid URI encoding"; | |
477 | return -1; | |
478 | } | |
479 | } | |
480 | /* match = */ | |
481 | if (*uri=='=') | |
482 | ++uri; | |
483 | else | |
484 | { | |
485 | filter->errmsg=US"Missing equal after hname"; | |
486 | return -1; | |
487 | } | |
488 | /* match hvalue */ | |
489 | for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); | |
490 | if (uri>start) | |
491 | { | |
492 | capacity=0; | |
d4ff61d1 | 493 | hvalue.character= NULL; |
50c99ba6 | 494 | hvalue.length=0; |
c2f669a4 | 495 | hvalue.character=string_catn(hvalue.character,&capacity,&hvalue.length,start,uri-start); |
50c99ba6 PH |
496 | hvalue.character[hvalue.length]='\0'; |
497 | if (uri_decode(&hvalue)==-1) | |
498 | { | |
499 | filter->errmsg=US"Invalid URI encoding"; | |
500 | return -1; | |
501 | } | |
502 | } | |
7c5214ec | 503 | if (hname.length==2 && strcmpic(hname.character, US"to")==0) |
50c99ba6 PH |
504 | { |
505 | new=store_get(sizeof(string_item)); | |
506 | new->text=store_get(hvalue.length+1); | |
507 | if (hvalue.length) memcpy(new->text,hvalue.character,hvalue.length); | |
508 | new->text[hvalue.length]='\0'; | |
509 | new->next=*recipient; | |
510 | *recipient=new; | |
511 | } | |
7c5214ec | 512 | else if (hname.length==4 && strcmpic(hname.character, US"body")==0) |
50c99ba6 | 513 | *body=hvalue; |
4be39b49 MH |
514 | else if (hname.length==7 && strcmpic(hname.character, US"subject")==0) |
515 | *subject=hvalue; | |
7c5214ec PH |
516 | else |
517 | { | |
518 | static struct String ignore[]= | |
519 | { | |
4be39b49 | 520 | {US"date",4}, |
7c5214ec | 521 | {US"from",4}, |
4be39b49 | 522 | {US"message-id",10}, |
c66441d7 MH |
523 | {US"received",8}, |
524 | {US"auto-submitted",14} | |
7c5214ec PH |
525 | }; |
526 | static struct String *end=ignore+sizeof(ignore)/sizeof(ignore[0]); | |
527 | struct String *i; | |
528 | ||
529 | for (i=ignore; i<end && !eq_asciicase(&hname,i,0); ++i); | |
530 | if (i==end) | |
531 | { | |
532 | if (header->length==-1) header->length=0; | |
533 | capacity=header->length; | |
c2f669a4 JH |
534 | header->character=string_catn(header->character,&capacity,&header->length,hname.character,hname.length); |
535 | header->character=string_catn(header->character,&capacity,&header->length,CUS ": ",2); | |
536 | header->character=string_catn(header->character,&capacity,&header->length,hvalue.character,hvalue.length); | |
537 | header->character=string_catn(header->character,&capacity,&header->length,CUS "\n",1); | |
7c5214ec PH |
538 | header->character[header->length]='\0'; |
539 | } | |
540 | } | |
50c99ba6 PH |
541 | if (*uri=='&') ++uri; |
542 | else break; | |
543 | } | |
544 | } | |
545 | if (*uri) | |
546 | { | |
547 | filter->errmsg=US"Syntactically invalid URI"; | |
548 | return -1; | |
549 | } | |
550 | return 1; | |
551 | } | |
7c5214ec PH |
552 | #endif |
553 | ||
50c99ba6 | 554 | |
059ec3d9 PH |
555 | /************************************************* |
556 | * Octet-wise string comparison * | |
557 | *************************************************/ | |
558 | ||
559 | /* | |
560 | Arguments: | |
561 | needle UTF-8 string to search ... | |
562 | haystack ... inside the haystack | |
563 | match_prefix 1 to compare if needle is a prefix of haystack | |
564 | ||
565 | Returns: 0 needle not found in haystack | |
566 | 1 needle found | |
567 | */ | |
568 | ||
569 | static int eq_octet(const struct String *needle, | |
570 | const struct String *haystack, int match_prefix) | |
571 | { | |
572 | size_t nl,hl; | |
573 | const uschar *n,*h; | |
574 | ||
575 | nl=needle->length; | |
576 | n=needle->character; | |
577 | hl=haystack->length; | |
578 | h=haystack->character; | |
579 | while (nl>0 && hl>0) | |
580 | { | |
581 | #if !HAVE_ICONV | |
582 | if (*n&0x80) return 0; | |
583 | if (*h&0x80) return 0; | |
584 | #endif | |
585 | if (*n!=*h) return 0; | |
586 | ++n; | |
587 | ++h; | |
588 | --nl; | |
589 | --hl; | |
590 | } | |
591 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
592 | } | |
593 | ||
594 | ||
595 | /************************************************* | |
596 | * ASCII case-insensitive string comparison * | |
597 | *************************************************/ | |
598 | ||
599 | /* | |
600 | Arguments: | |
601 | needle UTF-8 string to search ... | |
602 | haystack ... inside the haystack | |
603 | match_prefix 1 to compare if needle is a prefix of haystack | |
604 | ||
605 | Returns: 0 needle not found in haystack | |
606 | 1 needle found | |
607 | */ | |
608 | ||
609 | static int eq_asciicase(const struct String *needle, | |
610 | const struct String *haystack, int match_prefix) | |
611 | { | |
612 | size_t nl,hl; | |
613 | const uschar *n,*h; | |
614 | uschar nc,hc; | |
615 | ||
616 | nl=needle->length; | |
617 | n=needle->character; | |
618 | hl=haystack->length; | |
619 | h=haystack->character; | |
620 | while (nl>0 && hl>0) | |
621 | { | |
622 | nc=*n; | |
623 | hc=*h; | |
624 | #if !HAVE_ICONV | |
625 | if (nc&0x80) return 0; | |
626 | if (hc&0x80) return 0; | |
627 | #endif | |
628 | /* tolower depends on the locale and only ASCII case must be insensitive */ | |
1c59d63b | 629 | if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; |
059ec3d9 PH |
630 | ++n; |
631 | ++h; | |
632 | --nl; | |
633 | --hl; | |
634 | } | |
635 | return (match_prefix ? nl==0 : nl==0 && hl==0); | |
636 | } | |
637 | ||
638 | ||
639 | /************************************************* | |
1c59d63b | 640 | * Glob pattern search * |
059ec3d9 PH |
641 | *************************************************/ |
642 | ||
643 | /* | |
644 | Arguments: | |
deaf311d MH |
645 | needle pattern to search ... |
646 | haystack ... inside the haystack | |
647 | ascii_caseless ignore ASCII case | |
648 | match_octet match octets, not UTF-8 multi-octet characters | |
059ec3d9 PH |
649 | |
650 | Returns: 0 needle not found in haystack | |
651 | 1 needle found | |
1c59d63b | 652 | -1 pattern error |
059ec3d9 PH |
653 | */ |
654 | ||
1c59d63b | 655 | static int eq_glob(const struct String *needle, |
50c99ba6 | 656 | const struct String *haystack, int ascii_caseless, int match_octet) |
059ec3d9 | 657 | { |
1c59d63b PH |
658 | const uschar *n,*h,*nend,*hend; |
659 | int may_advance=0; | |
059ec3d9 | 660 | |
1c59d63b PH |
661 | n=needle->character; |
662 | h=haystack->character; | |
663 | nend=n+needle->length; | |
664 | hend=h+haystack->length; | |
665 | while (n<nend) | |
059ec3d9 | 666 | { |
1c59d63b PH |
667 | if (*n=='*') |
668 | { | |
669 | ++n; | |
670 | may_advance=1; | |
059ec3d9 | 671 | } |
1c59d63b PH |
672 | else |
673 | { | |
674 | const uschar *npart,*hpart; | |
059ec3d9 | 675 | |
1c59d63b PH |
676 | /* Try to match a non-star part of the needle at the current */ |
677 | /* position in the haystack. */ | |
678 | match_part: | |
679 | npart=n; | |
680 | hpart=h; | |
681 | while (npart<nend && *npart!='*') switch (*npart) | |
682 | { | |
683 | case '?': | |
059ec3d9 | 684 | { |
1c59d63b | 685 | if (hpart==hend) return 0; |
50c99ba6 | 686 | if (match_octet) |
1c59d63b | 687 | ++hpart; |
1c59d63b | 688 | else |
50c99ba6 PH |
689 | { |
690 | /* Match one UTF8 encoded character */ | |
691 | if ((*hpart&0xc0)==0xc0) | |
692 | { | |
693 | ++hpart; | |
694 | while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart; | |
695 | } | |
696 | else | |
697 | ++hpart; | |
698 | } | |
1c59d63b PH |
699 | ++npart; |
700 | break; | |
059ec3d9 | 701 | } |
1c59d63b | 702 | case '\\': |
059ec3d9 | 703 | { |
1c59d63b PH |
704 | ++npart; |
705 | if (npart==nend) return -1; | |
706 | /* FALLTHROUGH */ | |
059ec3d9 | 707 | } |
1c59d63b | 708 | default: |
059ec3d9 | 709 | { |
1c59d63b PH |
710 | if (hpart==hend) return 0; |
711 | /* tolower depends on the locale, but we need ASCII */ | |
712 | if | |
713 | ( | |
714 | #if !HAVE_ICONV | |
715 | (*hpart&0x80) || (*npart&0x80) || | |
716 | #endif | |
717 | ascii_caseless | |
718 | ? ((*npart>='A' && *npart<='Z' ? *npart|0x20 : *npart) != (*hpart>='A' && *hpart<='Z' ? *hpart|0x20 : *hpart)) | |
719 | : *hpart!=*npart | |
720 | ) | |
059ec3d9 | 721 | { |
1c59d63b PH |
722 | if (may_advance) |
723 | /* string match after a star failed, advance and try again */ | |
059ec3d9 | 724 | { |
1c59d63b PH |
725 | ++h; |
726 | goto match_part; | |
059ec3d9 | 727 | } |
1c59d63b | 728 | else return 0; |
059ec3d9 PH |
729 | } |
730 | else | |
731 | { | |
1c59d63b PH |
732 | ++npart; |
733 | ++hpart; | |
734 | }; | |
059ec3d9 | 735 | } |
059ec3d9 | 736 | } |
1c59d63b PH |
737 | /* at this point, a part was matched successfully */ |
738 | if (may_advance && npart==nend && hpart<hend) | |
739 | /* needle ends, but haystack does not: if there was a star before, advance and try again */ | |
059ec3d9 | 740 | { |
1c59d63b PH |
741 | ++h; |
742 | goto match_part; | |
059ec3d9 | 743 | } |
1c59d63b PH |
744 | h=hpart; |
745 | n=npart; | |
746 | may_advance=0; | |
059ec3d9 PH |
747 | } |
748 | } | |
1c59d63b | 749 | return (h==hend ? 1 : may_advance); |
059ec3d9 PH |
750 | } |
751 | ||
752 | ||
753 | /************************************************* | |
754 | * ASCII numeric comparison * | |
755 | *************************************************/ | |
756 | ||
757 | /* | |
758 | Arguments: | |
759 | a first numeric string | |
760 | b second numeric string | |
761 | relop relational operator | |
762 | ||
763 | Returns: 0 not (a relop b) | |
764 | 1 a relop b | |
765 | */ | |
766 | ||
767 | static int eq_asciinumeric(const struct String *a, | |
768 | const struct String *b, enum RelOp relop) | |
769 | { | |
770 | size_t al,bl; | |
771 | const uschar *as,*aend,*bs,*bend; | |
772 | int cmp; | |
773 | ||
774 | as=a->character; | |
775 | aend=a->character+a->length; | |
776 | bs=b->character; | |
777 | bend=b->character+b->length; | |
778 | ||
779 | while (*as>='0' && *as<='9' && as<aend) ++as; | |
780 | al=as-a->character; | |
781 | while (*bs>='0' && *bs<='9' && bs<bend) ++bs; | |
782 | bl=bs-b->character; | |
783 | ||
784 | if (al && bl==0) cmp=-1; | |
785 | else if (al==0 && bl==0) cmp=0; | |
786 | else if (al==0 && bl) cmp=1; | |
787 | else | |
788 | { | |
789 | cmp=al-bl; | |
790 | if (cmp==0) cmp=memcmp(a->character,b->character,al); | |
791 | } | |
792 | switch (relop) | |
793 | { | |
794 | case LT: return cmp<0; | |
795 | case LE: return cmp<=0; | |
796 | case EQ: return cmp==0; | |
797 | case GE: return cmp>=0; | |
798 | case GT: return cmp>0; | |
799 | case NE: return cmp!=0; | |
800 | } | |
801 | /*NOTREACHED*/ | |
802 | return -1; | |
803 | } | |
804 | ||
805 | ||
806 | /************************************************* | |
807 | * Compare strings * | |
808 | *************************************************/ | |
809 | ||
810 | /* | |
811 | Arguments: | |
50c99ba6 | 812 | filter points to the Sieve filter including its state |
059ec3d9 PH |
813 | needle UTF-8 pattern or string to search ... |
814 | haystack ... inside the haystack | |
815 | co comparator to use | |
816 | mt match type to use | |
817 | ||
818 | Returns: 0 needle not found in haystack | |
819 | 1 needle found | |
820 | -1 comparator does not offer matchtype | |
821 | */ | |
822 | ||
823 | static int compare(struct Sieve *filter, const struct String *needle, const struct String *haystack, | |
824 | enum Comparator co, enum MatchType mt) | |
825 | { | |
826 | int r=0; | |
827 | ||
f05da2e8 | 828 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
829 | (debug_selector & D_filter) != 0) |
830 | { | |
831 | debug_printf("String comparison (match "); | |
832 | switch (mt) | |
833 | { | |
834 | case MATCH_IS: debug_printf(":is"); break; | |
835 | case MATCH_CONTAINS: debug_printf(":contains"); break; | |
836 | case MATCH_MATCHES: debug_printf(":matches"); break; | |
837 | } | |
838 | debug_printf(", comparison \""); | |
839 | switch (co) | |
840 | { | |
841 | case COMP_OCTET: debug_printf("i;octet"); break; | |
5ea81592 | 842 | case COMP_EN_ASCII_CASEMAP: debug_printf("en;ascii-casemap"); break; |
059ec3d9 PH |
843 | case COMP_ASCII_NUMERIC: debug_printf("i;ascii-numeric"); break; |
844 | } | |
845 | debug_printf("\"):\n"); | |
846 | debug_printf(" Search = %s (%d chars)\n", needle->character,needle->length); | |
847 | debug_printf(" Inside = %s (%d chars)\n", haystack->character,haystack->length); | |
848 | } | |
849 | switch (mt) | |
850 | { | |
851 | case MATCH_IS: | |
852 | { | |
853 | switch (co) | |
854 | { | |
855 | case COMP_OCTET: | |
856 | { | |
857 | if (eq_octet(needle,haystack,0)) r=1; | |
858 | break; | |
859 | } | |
5ea81592 | 860 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
861 | { |
862 | if (eq_asciicase(needle,haystack,0)) r=1; | |
863 | break; | |
864 | } | |
865 | case COMP_ASCII_NUMERIC: | |
866 | { | |
867 | if (!filter->require_iascii_numeric) | |
868 | { | |
869 | filter->errmsg=CUS "missing previous require \"comparator-i;ascii-numeric\";"; | |
870 | return -1; | |
871 | } | |
872 | if (eq_asciinumeric(needle,haystack,EQ)) r=1; | |
873 | break; | |
874 | } | |
875 | } | |
876 | break; | |
877 | } | |
878 | case MATCH_CONTAINS: | |
879 | { | |
880 | struct String h; | |
881 | ||
882 | switch (co) | |
883 | { | |
884 | case COMP_OCTET: | |
885 | { | |
886 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; } | |
887 | break; | |
888 | } | |
5ea81592 | 889 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 PH |
890 | { |
891 | for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; } | |
892 | break; | |
893 | } | |
894 | default: | |
895 | { | |
896 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
897 | return -1; | |
898 | } | |
899 | } | |
900 | break; | |
901 | } | |
902 | case MATCH_MATCHES: | |
903 | { | |
904 | switch (co) | |
905 | { | |
906 | case COMP_OCTET: | |
907 | { | |
50c99ba6 | 908 | if ((r=eq_glob(needle,haystack,0,1))==-1) |
1c59d63b PH |
909 | { |
910 | filter->errmsg=CUS "syntactically invalid pattern"; | |
911 | return -1; | |
912 | } | |
059ec3d9 PH |
913 | break; |
914 | } | |
5ea81592 | 915 | case COMP_EN_ASCII_CASEMAP: |
059ec3d9 | 916 | { |
50c99ba6 | 917 | if ((r=eq_glob(needle,haystack,1,1))==-1) |
1c59d63b PH |
918 | { |
919 | filter->errmsg=CUS "syntactically invalid pattern"; | |
920 | return -1; | |
921 | } | |
059ec3d9 PH |
922 | break; |
923 | } | |
924 | default: | |
925 | { | |
926 | filter->errmsg=CUS "comparator does not offer specified matchtype"; | |
927 | return -1; | |
928 | } | |
929 | } | |
930 | break; | |
931 | } | |
932 | } | |
f05da2e8 | 933 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
059ec3d9 PH |
934 | (debug_selector & D_filter) != 0) |
935 | debug_printf(" Result %s\n",r?"true":"false"); | |
936 | return r; | |
937 | } | |
938 | ||
939 | ||
940 | /************************************************* | |
941 | * Check header field syntax * | |
942 | *************************************************/ | |
943 | ||
944 | /* | |
945 | RFC 2822, section 3.6.8 says: | |
946 | ||
947 | field-name = 1*ftext | |
948 | ||
949 | ftext = %d33-57 / ; Any character except | |
950 | %d59-126 ; controls, SP, and | |
951 | ; ":". | |
952 | ||
953 | That forbids 8-bit header fields. This implementation accepts them, since | |
954 | all of Exim is 8-bit clean, so it adds %d128-%d255. | |
955 | ||
956 | Arguments: | |
957 | header header field to quote for suitable use in Exim expansions | |
958 | ||
959 | Returns: 0 string is not a valid header field | |
960 | 1 string is a value header field | |
961 | */ | |
962 | ||
963 | static int is_header(const struct String *header) | |
964 | { | |
965 | size_t l; | |
966 | const uschar *h; | |
967 | ||
968 | l=header->length; | |
969 | h=header->character; | |
970 | if (l==0) return 0; | |
971 | while (l) | |
972 | { | |
973 | if (((unsigned char)*h)<33 || ((unsigned char)*h)==':' || ((unsigned char)*h)==127) return 0; | |
974 | else | |
975 | { | |
976 | ++h; | |
977 | --l; | |
978 | } | |
979 | } | |
980 | return 1; | |
981 | } | |
982 | ||
983 | ||
984 | /************************************************* | |
985 | * Quote special characters string * | |
986 | *************************************************/ | |
987 | ||
988 | /* | |
989 | Arguments: | |
990 | header header field to quote for suitable use in Exim expansions | |
991 | or as debug output | |
992 | ||
993 | Returns: quoted string | |
994 | */ | |
995 | ||
996 | static const uschar *quote(const struct String *header) | |
997 | { | |
998 | uschar *quoted=NULL; | |
999 | int size=0,ptr=0; | |
1000 | size_t l; | |
1001 | const uschar *h; | |
1002 | ||
1003 | l=header->length; | |
1004 | h=header->character; | |
1005 | while (l) | |
1006 | { | |
1007 | switch (*h) | |
1008 | { | |
1009 | case '\0': | |
1010 | { | |
c2f669a4 | 1011 | quoted=string_catn(quoted,&size,&ptr,CUS "\\0",2); |
059ec3d9 PH |
1012 | break; |
1013 | } | |
1014 | case '$': | |
1015 | case '{': | |
1016 | case '}': | |
1017 | { | |
c2f669a4 | 1018 | quoted=string_catn(quoted,&size,&ptr,CUS "\\",1); |
059ec3d9 PH |
1019 | } |
1020 | default: | |
1021 | { | |
c2f669a4 | 1022 | quoted=string_catn(quoted,&size,&ptr,h,1); |
059ec3d9 PH |
1023 | } |
1024 | } | |
1025 | ++h; | |
1026 | --l; | |
1027 | } | |
c2f669a4 | 1028 | quoted=string_catn(quoted,&size,&ptr,CUS "",1); |
059ec3d9 PH |
1029 | return quoted; |
1030 | } | |
1031 | ||
1032 | ||
1033 | /************************************************* | |
1034 | * Add address to list of generated addresses * | |
1035 | *************************************************/ | |
1036 | ||
1037 | /* | |
deaf311d | 1038 | According to RFC 5228, duplicate delivery to the same address must |
059ec3d9 PH |
1039 | not happen, so the list is first searched for the address. |
1040 | ||
1041 | Arguments: | |
1042 | generated list of generated addresses | |
1043 | addr new address to add | |
1044 | file address denotes a file | |
1045 | ||
1046 | Returns: nothing | |
1047 | */ | |
1048 | ||
7eb0e5d2 JH |
1049 | static void |
1050 | add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) | |
059ec3d9 PH |
1051 | { |
1052 | address_item *new_addr; | |
1053 | ||
1054 | for (new_addr=*generated; new_addr; new_addr=new_addr->next) | |
7eb0e5d2 JH |
1055 | if ( Ustrcmp(new_addr->address,addr) == 0 |
1056 | && ( !file | |
1057 | || testflag(new_addr, af_pfr) | |
1058 | || testflag(new_addr, af_file) | |
1059 | ) | |
1060 | ) | |
059ec3d9 | 1061 | { |
f05da2e8 | 1062 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 1063 | debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr); |
7eb0e5d2 | 1064 | |
059ec3d9 PH |
1065 | return; |
1066 | } | |
059ec3d9 | 1067 | |
f05da2e8 | 1068 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 1069 | debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr); |
7eb0e5d2 JH |
1070 | |
1071 | new_addr = deliver_make_addr(addr,TRUE); | |
059ec3d9 PH |
1072 | if (file) |
1073 | { | |
7eb0e5d2 JH |
1074 | setflag(new_addr, af_pfr); |
1075 | setflag(new_addr, af_file); | |
059ec3d9 PH |
1076 | new_addr->mode = 0; |
1077 | } | |
d43cbe25 | 1078 | new_addr->prop.errors_address = NULL; |
059ec3d9 PH |
1079 | new_addr->next = *generated; |
1080 | *generated = new_addr; | |
1081 | } | |
1082 | ||
1083 | ||
1084 | /************************************************* | |
1085 | * Return decoded header field * | |
1086 | *************************************************/ | |
1087 | ||
1088 | /* | |
50c99ba6 PH |
1089 | Unfold the header field as described in RFC 2822 and remove all |
1090 | leading and trailing white space, then perform MIME decoding and | |
1091 | translate the header field to UTF-8. | |
1092 | ||
059ec3d9 PH |
1093 | Arguments: |
1094 | value returned value of the field | |
1095 | header name of the header field | |
1096 | ||
1097 | Returns: nothing The expanded string is empty | |
1098 | in case there is no such header | |
1099 | */ | |
1100 | ||
1101 | static void expand_header(struct String *value, const struct String *header) | |
1102 | { | |
1103 | uschar *s,*r,*t; | |
1104 | uschar *errmsg; | |
1105 | ||
1106 | value->length=0; | |
1107 | value->character=(uschar*)0; | |
1108 | ||
1109 | t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header))); | |
50c99ba6 | 1110 | while (*r==' ' || *r=='\t') ++r; |
059ec3d9 PH |
1111 | while (*r) |
1112 | { | |
1113 | if (*r=='\n') | |
059ec3d9 | 1114 | ++r; |
059ec3d9 PH |
1115 | else |
1116 | *t++=*r++; | |
1117 | } | |
50c99ba6 PH |
1118 | while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t; |
1119 | *t='\0'; | |
a0d6ba8a | 1120 | value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg); |
059ec3d9 PH |
1121 | } |
1122 | ||
1123 | ||
1124 | /************************************************* | |
1125 | * Parse remaining hash comment * | |
1126 | *************************************************/ | |
1127 | ||
1128 | /* | |
1129 | Token definition: | |
1130 | Comment up to terminating CRLF | |
1131 | ||
1132 | Arguments: | |
1133 | filter points to the Sieve filter including its state | |
1134 | ||
1135 | Returns: 1 success | |
1136 | -1 syntax error | |
1137 | */ | |
1138 | ||
1139 | static int parse_hashcomment(struct Sieve *filter) | |
1140 | { | |
1141 | ++filter->pc; | |
1142 | while (*filter->pc) | |
1143 | { | |
1144 | #ifdef RFC_EOL | |
1145 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1146 | #else | |
1147 | if (*filter->pc=='\n') | |
1148 | #endif | |
1149 | { | |
1150 | #ifdef RFC_EOL | |
1151 | filter->pc+=2; | |
1152 | #else | |
1153 | ++filter->pc; | |
1154 | #endif | |
1155 | ++filter->line; | |
1156 | return 1; | |
1157 | } | |
1158 | else ++filter->pc; | |
1159 | } | |
1160 | filter->errmsg=CUS "missing end of comment"; | |
1161 | return -1; | |
1162 | } | |
1163 | ||
1164 | ||
1165 | /************************************************* | |
1166 | * Parse remaining C-style comment * | |
1167 | *************************************************/ | |
1168 | ||
1169 | /* | |
1170 | Token definition: | |
1171 | Everything up to star slash | |
1172 | ||
1173 | Arguments: | |
1174 | filter points to the Sieve filter including its state | |
1175 | ||
1176 | Returns: 1 success | |
1177 | -1 syntax error | |
1178 | */ | |
1179 | ||
1180 | static int parse_comment(struct Sieve *filter) | |
1181 | { | |
1182 | filter->pc+=2; | |
1183 | while (*filter->pc) | |
1184 | { | |
1185 | if (*filter->pc=='*' && *(filter->pc+1)=='/') | |
1186 | { | |
1187 | filter->pc+=2; | |
1188 | return 1; | |
1189 | } | |
1190 | else ++filter->pc; | |
1191 | } | |
1192 | filter->errmsg=CUS "missing end of comment"; | |
1193 | return -1; | |
1194 | } | |
1195 | ||
1196 | ||
1197 | /************************************************* | |
1198 | * Parse optional white space * | |
1199 | *************************************************/ | |
1200 | ||
1201 | /* | |
1202 | Token definition: | |
1203 | Spaces, tabs, CRLFs, hash comments or C-style comments | |
1204 | ||
1205 | Arguments: | |
1206 | filter points to the Sieve filter including its state | |
1207 | ||
1208 | Returns: 1 success | |
1209 | -1 syntax error | |
1210 | */ | |
1211 | ||
1212 | static int parse_white(struct Sieve *filter) | |
1213 | { | |
1214 | while (*filter->pc) | |
1215 | { | |
1216 | if (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1217 | #ifdef RFC_EOL | |
1218 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1219 | #else | |
1220 | else if (*filter->pc=='\n') | |
1221 | #endif | |
1222 | { | |
1223 | #ifdef RFC_EOL | |
1224 | filter->pc+=2; | |
1225 | #else | |
1226 | ++filter->pc; | |
1227 | #endif | |
1228 | ++filter->line; | |
1229 | } | |
1230 | else if (*filter->pc=='#') | |
1231 | { | |
1232 | if (parse_hashcomment(filter)==-1) return -1; | |
1233 | } | |
1234 | else if (*filter->pc=='/' && *(filter->pc+1)=='*') | |
1235 | { | |
1236 | if (parse_comment(filter)==-1) return -1; | |
1237 | } | |
1238 | else break; | |
1239 | } | |
1240 | return 1; | |
1241 | } | |
1242 | ||
1243 | ||
a43a27c5 PH |
1244 | #ifdef ENCODED_CHARACTER |
1245 | /************************************************* | |
eb4c0de6 | 1246 | * Decode hex-encoded-character string * |
a43a27c5 PH |
1247 | *************************************************/ |
1248 | ||
1249 | /* | |
1250 | Encoding definition: | |
eb4c0de6 PH |
1251 | blank = SP / TAB / CRLF |
1252 | hex-pair-seq = *blank hex-pair *(1*blank hex-pair) *blank | |
a43a27c5 PH |
1253 | hex-pair = 1*2HEXDIG |
1254 | ||
1255 | Arguments: | |
1256 | src points to a hex-pair-seq | |
1257 | end points to its end | |
1258 | dst points to the destination of the decoded octets, | |
1259 | optionally to (uschar*)0 for checking only | |
1260 | ||
1261 | Returns: >=0 number of decoded octets | |
1262 | -1 syntax error | |
1263 | */ | |
1264 | ||
1265 | static int hex_decode(uschar *src, uschar *end, uschar *dst) | |
1266 | { | |
1267 | int decoded=0; | |
1268 | ||
eb4c0de6 PH |
1269 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1270 | do | |
a43a27c5 | 1271 | { |
eb4c0de6 PH |
1272 | int x,d,n; |
1273 | ||
1274 | for (x=0,d=0; d<2 && src<end && isxdigit(n=tolower(*src)); x=(x<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')),++d,++src); | |
1275 | if (d==0) return -1; | |
1276 | if (dst) *dst++=x; | |
1277 | ++decoded; | |
1278 | if (src==end) return decoded; | |
1279 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1280 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1281 | else | |
1282 | return -1; | |
a43a27c5 | 1283 | } |
eb4c0de6 PH |
1284 | while (src<end); |
1285 | return decoded; | |
a43a27c5 PH |
1286 | } |
1287 | ||
1288 | ||
1289 | /************************************************* | |
eb4c0de6 | 1290 | * Decode unicode-encoded-character string * |
a43a27c5 PH |
1291 | *************************************************/ |
1292 | ||
1293 | /* | |
1294 | Encoding definition: | |
eb4c0de6 PH |
1295 | blank = SP / TAB / CRLF |
1296 | unicode-hex-seq = *blank unicode-hex *(blank unicode-hex) *blank | |
1297 | unicode-hex = 1*HEXDIG | |
a43a27c5 PH |
1298 | |
1299 | It is an error for a script to use a hexadecimal value that isn't in | |
1300 | either the range 0 to D7FF or the range E000 to 10FFFF. | |
1301 | ||
eb4c0de6 PH |
1302 | At this time, strings are already scanned, thus the CRLF is converted |
1303 | to the internally used \n (should RFC_EOL have been used). | |
1304 | ||
a43a27c5 PH |
1305 | Arguments: |
1306 | src points to a unicode-hex-seq | |
1307 | end points to its end | |
1308 | dst points to the destination of the decoded octets, | |
1309 | optionally to (uschar*)0 for checking only | |
1310 | ||
1311 | Returns: >=0 number of decoded octets | |
1312 | -1 syntax error | |
1313 | -2 semantic error (character range violation) | |
1314 | */ | |
1315 | ||
1316 | static int unicode_decode(uschar *src, uschar *end, uschar *dst) | |
1317 | { | |
1318 | int decoded=0; | |
1319 | ||
eb4c0de6 PH |
1320 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; |
1321 | do | |
a43a27c5 | 1322 | { |
eb4c0de6 PH |
1323 | uschar *hex_seq; |
1324 | int c,d,n; | |
1325 | ||
1326 | unicode_hex: | |
1327 | for (hex_seq=src; src<end && *src=='0'; ++src); | |
1328 | for (c=0,d=0; d<7 && src<end && isxdigit(n=tolower(*src)); c=(c<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')),++d,++src); | |
1329 | if (src==hex_seq) return -1; | |
1330 | if (d==7 || (!((c>=0 && c<=0xd7ff) || (c>=0xe000 && c<=0x10ffff)))) return -2; | |
1331 | if (c<128) | |
a43a27c5 | 1332 | { |
eb4c0de6 PH |
1333 | if (dst) *dst++=c; |
1334 | ++decoded; | |
1335 | } | |
1336 | else if (c>=0x80 && c<=0x7ff) | |
1337 | { | |
1338 | if (dst) | |
1339 | { | |
1340 | *dst++=192+(c>>6); | |
1341 | *dst++=128+(c&0x3f); | |
1342 | } | |
1343 | decoded+=2; | |
1344 | } | |
1345 | else if (c>=0x800 && c<=0xffff) | |
1346 | { | |
1347 | if (dst) | |
1348 | { | |
1349 | *dst++=224+(c>>12); | |
1350 | *dst++=128+((c>>6)&0x3f); | |
1351 | *dst++=128+(c&0x3f); | |
1352 | } | |
1353 | decoded+=3; | |
1354 | } | |
1355 | else if (c>=0x10000 && c<=0x1fffff) | |
1356 | { | |
1357 | if (dst) | |
1358 | { | |
1359 | *dst++=240+(c>>18); | |
1360 | *dst++=128+((c>>10)&0x3f); | |
1361 | *dst++=128+((c>>6)&0x3f); | |
1362 | *dst++=128+(c&0x3f); | |
1363 | } | |
1364 | decoded+=4; | |
1365 | } | |
1366 | if (*src==' ' || *src=='\t' || *src=='\n') | |
1367 | { | |
1368 | while (*src==' ' || *src=='\t' || *src=='\n') ++src; | |
1369 | if (src==end) return decoded; | |
1370 | goto unicode_hex; | |
a43a27c5 | 1371 | } |
a43a27c5 | 1372 | } |
eb4c0de6 PH |
1373 | while (src<end); |
1374 | return decoded; | |
a43a27c5 PH |
1375 | } |
1376 | ||
1377 | ||
1378 | /************************************************* | |
1379 | * Decode encoded-character string * | |
1380 | *************************************************/ | |
1381 | ||
1382 | /* | |
1383 | Encoding definition: | |
1384 | encoded-arb-octets = "${hex:" hex-pair-seq "}" | |
1385 | encoded-unicode-char = "${unicode:" unicode-hex-seq "}" | |
1386 | ||
1387 | Arguments: | |
1388 | encoded points to an encoded string, returns decoded string | |
1389 | filter points to the Sieve filter including its state | |
1390 | ||
1391 | Returns: 1 success | |
1392 | -1 syntax error | |
1393 | */ | |
1394 | ||
1395 | static int string_decode(struct Sieve *filter, struct String *data) | |
1396 | { | |
1397 | uschar *src,*dst,*end; | |
1398 | ||
1399 | src=data->character; | |
1400 | dst=src; | |
1401 | end=data->character+data->length; | |
1402 | while (src<end) | |
1403 | { | |
1404 | uschar *brace; | |
1405 | ||
1406 | if ( | |
eb4c0de6 | 1407 | strncmpic(src,US "${hex:",6)==0 |
a43a27c5 PH |
1408 | && (brace=Ustrchr(src+6,'}'))!=(uschar*)0 |
1409 | && (hex_decode(src+6,brace,(uschar*)0))>=0 | |
1410 | ) | |
1411 | { | |
1412 | dst+=hex_decode(src+6,brace,dst); | |
1413 | src=brace+1; | |
1414 | } | |
1415 | else if ( | |
eb4c0de6 | 1416 | strncmpic(src,US "${unicode:",10)==0 |
a43a27c5 PH |
1417 | && (brace=Ustrchr(src+10,'}'))!=(uschar*)0 |
1418 | ) | |
1419 | { | |
1420 | switch (unicode_decode(src+10,brace,(uschar*)0)) | |
1421 | { | |
1422 | case -2: | |
1423 | { | |
1424 | filter->errmsg=CUS "unicode character out of range"; | |
1425 | return -1; | |
1426 | } | |
1427 | case -1: | |
1428 | { | |
1429 | *dst++=*src++; | |
1430 | break; | |
1431 | } | |
1432 | default: | |
1433 | { | |
1434 | dst+=unicode_decode(src+10,brace,dst); | |
1435 | src=brace+1; | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | else *dst++=*src++; | |
1440 | } | |
1441 | data->length=dst-data->character; | |
1442 | *dst='\0'; | |
1443 | return 1; | |
1444 | } | |
1445 | #endif | |
1446 | ||
1447 | ||
059ec3d9 | 1448 | /************************************************* |
a43a27c5 | 1449 | * Parse an optional string * |
059ec3d9 PH |
1450 | *************************************************/ |
1451 | ||
1452 | /* | |
1453 | Token definition: | |
1454 | quoted-string = DQUOTE *CHAR DQUOTE | |
1455 | ;; in general, \ CHAR inside a string maps to CHAR | |
1456 | ;; so \" maps to " and \\ maps to \ | |
1457 | ;; note that newlines and other characters are all allowed | |
1458 | ;; in strings | |
1459 | ||
1460 | multi-line = "text:" *(SP / HTAB) (hash-comment / CRLF) | |
1461 | *(multi-line-literal / multi-line-dotstuff) | |
1462 | "." CRLF | |
1463 | multi-line-literal = [CHAR-NOT-DOT *CHAR-NOT-CRLF] CRLF | |
1464 | multi-line-dotstuff = "." 1*CHAR-NOT-CRLF CRLF | |
1465 | ;; A line containing only "." ends the multi-line. | |
1466 | ;; Remove a leading '.' if followed by another '.'. | |
1467 | string = quoted-string / multi-line | |
1468 | ||
1469 | Arguments: | |
1470 | filter points to the Sieve filter including its state | |
1471 | id specifies identifier to match | |
1472 | ||
1473 | Returns: 1 success | |
1474 | -1 syntax error | |
1475 | 0 identifier not matched | |
1476 | */ | |
1477 | ||
1478 | static int parse_string(struct Sieve *filter, struct String *data) | |
1479 | { | |
1480 | int dataCapacity=0; | |
1481 | ||
1482 | data->length=0; | |
1483 | data->character=(uschar*)0; | |
1484 | if (*filter->pc=='"') /* quoted string */ | |
1485 | { | |
1486 | ++filter->pc; | |
1487 | while (*filter->pc) | |
1488 | { | |
1489 | if (*filter->pc=='"') /* end of string */ | |
1490 | { | |
1491 | int foo=data->length; | |
1492 | ||
1493 | ++filter->pc; | |
50c99ba6 | 1494 | /* that way, there will be at least one character allocated */ |
c2f669a4 | 1495 | data->character=string_catn(data->character,&dataCapacity,&foo,CUS "",1); |
a43a27c5 PH |
1496 | #ifdef ENCODED_CHARACTER |
1497 | if (filter->require_encoded_character | |
1498 | && string_decode(filter,data)==-1) | |
1499 | return -1; | |
1500 | #endif | |
059ec3d9 PH |
1501 | return 1; |
1502 | } | |
1503 | else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */ | |
1504 | { | |
c2f669a4 | 1505 | data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc+1,1); |
059ec3d9 PH |
1506 | filter->pc+=2; |
1507 | } | |
1508 | else /* regular character */ | |
1509 | { | |
50c99ba6 PH |
1510 | #ifdef RFC_EOL |
1511 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line; | |
1512 | #else | |
1513 | if (*filter->pc=='\n') | |
1514 | { | |
c2f669a4 | 1515 | data->character=string_catn(data->character,&dataCapacity,&data->length,US"\r",1); |
50c99ba6 PH |
1516 | ++filter->line; |
1517 | } | |
1518 | #endif | |
c2f669a4 | 1519 | data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc,1); |
059ec3d9 PH |
1520 | filter->pc++; |
1521 | } | |
1522 | } | |
1523 | filter->errmsg=CUS "missing end of string"; | |
1524 | return -1; | |
1525 | } | |
1526 | else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ | |
1527 | { | |
1528 | filter->pc+=5; | |
1529 | /* skip optional white space followed by hashed comment or CRLF */ | |
1530 | while (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; | |
1531 | if (*filter->pc=='#') | |
1532 | { | |
1533 | if (parse_hashcomment(filter)==-1) return -1; | |
1534 | } | |
1535 | #ifdef RFC_EOL | |
1536 | else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') | |
1537 | #else | |
1538 | else if (*filter->pc=='\n') | |
1539 | #endif | |
1540 | { | |
1541 | #ifdef RFC_EOL | |
1542 | filter->pc+=2; | |
1543 | #else | |
1544 | ++filter->pc; | |
1545 | #endif | |
1546 | ++filter->line; | |
1547 | } | |
1548 | else | |
1549 | { | |
1550 | filter->errmsg=CUS "syntax error"; | |
1551 | return -1; | |
1552 | } | |
1553 | while (*filter->pc) | |
1554 | { | |
1555 | #ifdef RFC_EOL | |
1556 | if (*filter->pc=='\r' && *(filter->pc+1)=='\n') /* end of line */ | |
1557 | #else | |
1558 | if (*filter->pc=='\n') /* end of line */ | |
1559 | #endif | |
1560 | { | |
c2f669a4 | 1561 | data->character=string_catn(data->character,&dataCapacity,&data->length,CUS "\r\n",2); |
059ec3d9 PH |
1562 | #ifdef RFC_EOL |
1563 | filter->pc+=2; | |
1564 | #else | |
1565 | ++filter->pc; | |
1566 | #endif | |
1567 | ++filter->line; | |
1568 | #ifdef RFC_EOL | |
1569 | if (*filter->pc=='.' && *(filter->pc+1)=='\r' && *(filter->pc+2)=='\n') /* end of string */ | |
1570 | #else | |
1571 | if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */ | |
1572 | #endif | |
1573 | { | |
50c99ba6 PH |
1574 | int foo=data->length; |
1575 | ||
1576 | /* that way, there will be at least one character allocated */ | |
c2f669a4 | 1577 | data->character=string_catn(data->character,&dataCapacity,&foo,CUS "",1); |
059ec3d9 PH |
1578 | #ifdef RFC_EOL |
1579 | filter->pc+=3; | |
1580 | #else | |
1581 | filter->pc+=2; | |
1582 | #endif | |
1583 | ++filter->line; | |
a43a27c5 PH |
1584 | #ifdef ENCODED_CHARACTER |
1585 | if (filter->require_encoded_character | |
1586 | && string_decode(filter,data)==-1) | |
1587 | return -1; | |
1588 | #endif | |
059ec3d9 PH |
1589 | return 1; |
1590 | } | |
1591 | else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */ | |
1592 | { | |
c2f669a4 | 1593 | data->character=string_catn(data->character,&dataCapacity,&data->length,CUS ".",1); |
059ec3d9 PH |
1594 | filter->pc+=2; |
1595 | } | |
1596 | } | |
1597 | else /* regular character */ | |
1598 | { | |
c2f669a4 | 1599 | data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc,1); |
059ec3d9 PH |
1600 | filter->pc++; |
1601 | } | |
1602 | } | |
1603 | filter->errmsg=CUS "missing end of multi line string"; | |
1604 | return -1; | |
1605 | } | |
1606 | else return 0; | |
1607 | } | |
1608 | ||
1609 | ||
1610 | /************************************************* | |
1611 | * Parse a specific identifier * | |
1612 | *************************************************/ | |
1613 | ||
1614 | /* | |
1615 | Token definition: | |
1616 | identifier = (ALPHA / "_") *(ALPHA DIGIT "_") | |
1617 | ||
1618 | Arguments: | |
1619 | filter points to the Sieve filter including its state | |
1620 | id specifies identifier to match | |
1621 | ||
1622 | Returns: 1 success | |
1623 | 0 identifier not matched | |
1624 | */ | |
1625 | ||
1626 | static int parse_identifier(struct Sieve *filter, const uschar *id) | |
1627 | { | |
1628 | size_t idlen=Ustrlen(id); | |
1629 | ||
eb4c0de6 | 1630 | if (strncmpic(US filter->pc,US id,idlen)==0) |
059ec3d9 PH |
1631 | { |
1632 | uschar next=filter->pc[idlen]; | |
1633 | ||
1634 | if ((next>='A' && next<='Z') || (next>='a' && next<='z') || next=='_' || (next>='0' && next<='9')) return 0; | |
1635 | filter->pc+=idlen; | |
1636 | return 1; | |
1637 | } | |
1638 | else return 0; | |
1639 | } | |
1640 | ||
1641 | ||
1642 | /************************************************* | |
1643 | * Parse a number * | |
1644 | *************************************************/ | |
1645 | ||
1646 | /* | |
1647 | Token definition: | |
1648 | number = 1*DIGIT [QUANTIFIER] | |
1649 | QUANTIFIER = "K" / "M" / "G" | |
1650 | ||
1651 | Arguments: | |
1652 | filter points to the Sieve filter including its state | |
1653 | data returns value | |
1654 | ||
1655 | Returns: 1 success | |
1656 | -1 no string list found | |
1657 | */ | |
1658 | ||
1659 | static int parse_number(struct Sieve *filter, unsigned long *data) | |
1660 | { | |
1661 | unsigned long d,u; | |
1662 | ||
1663 | if (*filter->pc>='0' && *filter->pc<='9') | |
1664 | { | |
1665 | uschar *e; | |
1666 | ||
1667 | errno=0; | |
1668 | d=Ustrtoul(filter->pc,&e,10); | |
1669 | if (errno==ERANGE) | |
1670 | { | |
1671 | filter->errmsg=CUstrerror(ERANGE); | |
1672 | return -1; | |
1673 | } | |
1674 | filter->pc=e; | |
1675 | u=1; | |
1676 | if (*filter->pc=='K') { u=1024; ++filter->pc; } | |
1677 | else if (*filter->pc=='M') { u=1024*1024; ++filter->pc; } | |
1678 | else if (*filter->pc=='G') { u=1024*1024*1024; ++filter->pc; } | |
1679 | if (d>(ULONG_MAX/u)) | |
1680 | { | |
1681 | filter->errmsg=CUstrerror(ERANGE); | |
1682 | return -1; | |
1683 | } | |
1684 | d*=u; | |
1685 | *data=d; | |
1686 | return 1; | |
1687 | } | |
1688 | else | |
1689 | { | |
1690 | filter->errmsg=CUS "missing number"; | |
1691 | return -1; | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | ||
1696 | /************************************************* | |
1697 | * Parse a string list * | |
1698 | *************************************************/ | |
1699 | ||
1700 | /* | |
1701 | Grammar: | |
1702 | string-list = "[" string *("," string) "]" / string | |
1703 | ||
1704 | Arguments: | |
1705 | filter points to the Sieve filter including its state | |
1706 | data returns string list | |
1707 | ||
1708 | Returns: 1 success | |
1709 | -1 no string list found | |
1710 | */ | |
1711 | ||
4dc2379a JH |
1712 | static int |
1713 | parse_stringlist(struct Sieve *filter, struct String **data) | |
059ec3d9 PH |
1714 | { |
1715 | const uschar *orig=filter->pc; | |
4dc2379a JH |
1716 | int dataCapacity = 0; |
1717 | int dataLength = 0; | |
1718 | struct String *d = NULL; | |
059ec3d9 PH |
1719 | int m; |
1720 | ||
1721 | if (*filter->pc=='[') /* string list */ | |
1722 | { | |
1723 | ++filter->pc; | |
1724 | for (;;) | |
1725 | { | |
1726 | if (parse_white(filter)==-1) goto error; | |
4dc2379a | 1727 | if (dataLength+1 >= dataCapacity) /* increase buffer */ |
059ec3d9 PH |
1728 | { |
1729 | struct String *new; | |
1730 | int newCapacity; /* Don't amalgamate with next line; some compilers grumble */ | |
4dc2379a JH |
1731 | |
1732 | dataCapacity = dataCapacity ? dataCapacity * 2 : 4; | |
1733 | new = store_get(sizeof(struct String) * dataCapacity); | |
1734 | ||
059ec3d9 | 1735 | if (d) memcpy(new,d,sizeof(struct String)*dataLength); |
4dc2379a | 1736 | d = new; |
059ec3d9 | 1737 | } |
4dc2379a | 1738 | |
059ec3d9 PH |
1739 | m=parse_string(filter,&d[dataLength]); |
1740 | if (m==0) | |
1741 | { | |
1742 | if (dataLength==0) break; | |
1743 | else | |
1744 | { | |
1745 | filter->errmsg=CUS "missing string"; | |
1746 | goto error; | |
1747 | } | |
1748 | } | |
1749 | else if (m==-1) goto error; | |
1750 | else ++dataLength; | |
1751 | if (parse_white(filter)==-1) goto error; | |
1752 | if (*filter->pc==',') ++filter->pc; | |
1753 | else break; | |
1754 | } | |
1755 | if (*filter->pc==']') | |
1756 | { | |
1757 | d[dataLength].character=(uschar*)0; | |
1758 | d[dataLength].length=-1; | |
1759 | ++filter->pc; | |
1760 | *data=d; | |
1761 | return 1; | |
1762 | } | |
1763 | else | |
1764 | { | |
1765 | filter->errmsg=CUS "missing closing bracket"; | |
1766 | goto error; | |
1767 | } | |
1768 | } | |
1769 | else /* single string */ | |
1770 | { | |
1771 | if ((d=store_get(sizeof(struct String)*2))==(struct String*)0) | |
1772 | { | |
1773 | return -1; | |
1774 | } | |
1775 | m=parse_string(filter,&d[0]); | |
1776 | if (m==-1) | |
1777 | { | |
1778 | return -1; | |
1779 | } | |
1780 | else if (m==0) | |
1781 | { | |
1782 | filter->pc=orig; | |
1783 | return 0; | |
1784 | } | |
1785 | else | |
1786 | { | |
1787 | d[1].character=(uschar*)0; | |
1788 | d[1].length=-1; | |
1789 | *data=d; | |
1790 | return 1; | |
1791 | } | |
1792 | } | |
1793 | error: | |
1794 | filter->errmsg=CUS "missing string list"; | |
1795 | return -1; | |
1796 | } | |
1797 | ||
1798 | ||
1799 | /************************************************* | |
1800 | * Parse an optional address part specifier * | |
1801 | *************************************************/ | |
1802 | ||
1803 | /* | |
1804 | Grammar: | |
1805 | address-part = ":localpart" / ":domain" / ":all" | |
1806 | address-part =/ ":user" / ":detail" | |
1807 | ||
1808 | Arguments: | |
1809 | filter points to the Sieve filter including its state | |
1810 | a returns address part specified | |
1811 | ||
1812 | Returns: 1 success | |
1813 | 0 no comparator found | |
1814 | -1 syntax error | |
1815 | */ | |
1816 | ||
1817 | static int parse_addresspart(struct Sieve *filter, enum AddressPart *a) | |
1818 | { | |
1819 | #ifdef SUBADDRESS | |
1820 | if (parse_identifier(filter,CUS ":user")==1) | |
1821 | { | |
1822 | if (!filter->require_subaddress) | |
1823 | { | |
1824 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1825 | return -1; | |
1826 | } | |
1827 | *a=ADDRPART_USER; | |
1828 | return 1; | |
1829 | } | |
1830 | else if (parse_identifier(filter,CUS ":detail")==1) | |
1831 | { | |
1832 | if (!filter->require_subaddress) | |
1833 | { | |
1834 | filter->errmsg=CUS "missing previous require \"subaddress\";"; | |
1835 | return -1; | |
1836 | } | |
1837 | *a=ADDRPART_DETAIL; | |
1838 | return 1; | |
1839 | } | |
1840 | else | |
1841 | #endif | |
1842 | if (parse_identifier(filter,CUS ":localpart")==1) | |
1843 | { | |
1844 | *a=ADDRPART_LOCALPART; | |
1845 | return 1; | |
1846 | } | |
1847 | else if (parse_identifier(filter,CUS ":domain")==1) | |
1848 | { | |
1849 | *a=ADDRPART_DOMAIN; | |
1850 | return 1; | |
1851 | } | |
1852 | else if (parse_identifier(filter,CUS ":all")==1) | |
1853 | { | |
1854 | *a=ADDRPART_ALL; | |
1855 | return 1; | |
1856 | } | |
1857 | else return 0; | |
1858 | } | |
1859 | ||
1860 | ||
1861 | /************************************************* | |
1862 | * Parse an optional comparator * | |
1863 | *************************************************/ | |
1864 | ||
1865 | /* | |
1866 | Grammar: | |
1867 | comparator = ":comparator" <comparator-name: string> | |
1868 | ||
1869 | Arguments: | |
1870 | filter points to the Sieve filter including its state | |
1871 | c returns comparator | |
1872 | ||
1873 | Returns: 1 success | |
1874 | 0 no comparator found | |
1875 | -1 incomplete comparator found | |
1876 | */ | |
1877 | ||
1878 | static int parse_comparator(struct Sieve *filter, enum Comparator *c) | |
1879 | { | |
1880 | struct String comparator_name; | |
1881 | ||
1882 | if (parse_identifier(filter,CUS ":comparator")==0) return 0; | |
1883 | if (parse_white(filter)==-1) return -1; | |
1884 | switch (parse_string(filter,&comparator_name)) | |
1885 | { | |
1886 | case -1: return -1; | |
1887 | case 0: | |
1888 | { | |
1889 | filter->errmsg=CUS "missing comparator"; | |
1890 | return -1; | |
1891 | } | |
1892 | default: | |
1893 | { | |
1894 | int match; | |
1895 | ||
1896 | if (eq_asciicase(&comparator_name,&str_ioctet,0)) | |
1897 | { | |
1898 | *c=COMP_OCTET; | |
1899 | match=1; | |
1900 | } | |
1901 | else if (eq_asciicase(&comparator_name,&str_iascii_casemap,0)) | |
1902 | { | |
5ea81592 PH |
1903 | *c=COMP_EN_ASCII_CASEMAP; |
1904 | match=1; | |
1905 | } | |
1906 | else if (eq_asciicase(&comparator_name,&str_enascii_casemap,0)) | |
1907 | { | |
1908 | *c=COMP_EN_ASCII_CASEMAP; | |
059ec3d9 PH |
1909 | match=1; |
1910 | } | |
1911 | else if (eq_asciicase(&comparator_name,&str_iascii_numeric,0)) | |
1912 | { | |
1913 | *c=COMP_ASCII_NUMERIC; | |
1914 | match=1; | |
1915 | } | |
1916 | else | |
1917 | { | |
1918 | filter->errmsg=CUS "invalid comparator"; | |
1919 | match=-1; | |
1920 | } | |
1921 | return match; | |
1922 | } | |
1923 | } | |
1924 | } | |
1925 | ||
1926 | ||
1927 | /************************************************* | |
1928 | * Parse an optional match type * | |
1929 | *************************************************/ | |
1930 | ||
1931 | /* | |
1932 | Grammar: | |
1933 | match-type = ":is" / ":contains" / ":matches" | |
1934 | ||
1935 | Arguments: | |
1936 | filter points to the Sieve filter including its state | |
1937 | m returns match type | |
1938 | ||
1939 | Returns: 1 success | |
1940 | 0 no match type found | |
1941 | */ | |
1942 | ||
1943 | static int parse_matchtype(struct Sieve *filter, enum MatchType *m) | |
1944 | { | |
1945 | if (parse_identifier(filter,CUS ":is")==1) | |
1946 | { | |
1947 | *m=MATCH_IS; | |
1948 | return 1; | |
1949 | } | |
1950 | else if (parse_identifier(filter,CUS ":contains")==1) | |
1951 | { | |
1952 | *m=MATCH_CONTAINS; | |
1953 | return 1; | |
1954 | } | |
1955 | else if (parse_identifier(filter,CUS ":matches")==1) | |
1956 | { | |
1957 | *m=MATCH_MATCHES; | |
1958 | return 1; | |
1959 | } | |
1960 | else return 0; | |
1961 | } | |
1962 | ||
1963 | ||
1964 | /************************************************* | |
1965 | * Parse and interpret an optional test list * | |
1966 | *************************************************/ | |
1967 | ||
1968 | /* | |
1969 | Grammar: | |
1970 | test-list = "(" test *("," test) ")" | |
1971 | ||
1972 | Arguments: | |
1973 | filter points to the Sieve filter including its state | |
1974 | n total number of tests | |
deaf311d | 1975 | num_true number of passed tests |
059ec3d9 PH |
1976 | exec Execute parsed statements |
1977 | ||
1978 | Returns: 1 success | |
1979 | 0 no test list found | |
1980 | -1 syntax or execution error | |
1981 | */ | |
1982 | ||
f7572e5a | 1983 | static int parse_testlist(struct Sieve *filter, int *n, int *num_true, int exec) |
059ec3d9 PH |
1984 | { |
1985 | if (parse_white(filter)==-1) return -1; | |
1986 | if (*filter->pc=='(') | |
1987 | { | |
1988 | ++filter->pc; | |
1989 | *n=0; | |
f7572e5a | 1990 | *num_true=0; |
059ec3d9 PH |
1991 | for (;;) |
1992 | { | |
1993 | int cond; | |
1994 | ||
1995 | switch (parse_test(filter,&cond,exec)) | |
1996 | { | |
1997 | case -1: return -1; | |
1998 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
f7572e5a | 1999 | default: ++*n; if (cond) ++*num_true; break; |
059ec3d9 PH |
2000 | } |
2001 | if (parse_white(filter)==-1) return -1; | |
2002 | if (*filter->pc==',') ++filter->pc; | |
2003 | else break; | |
2004 | } | |
2005 | if (*filter->pc==')') | |
2006 | { | |
2007 | ++filter->pc; | |
2008 | return 1; | |
2009 | } | |
2010 | else | |
2011 | { | |
2012 | filter->errmsg=CUS "missing closing paren"; | |
2013 | return -1; | |
2014 | } | |
2015 | } | |
2016 | else return 0; | |
2017 | } | |
2018 | ||
2019 | ||
2020 | /************************************************* | |
2021 | * Parse and interpret an optional test * | |
2022 | *************************************************/ | |
2023 | ||
2024 | /* | |
2025 | Arguments: | |
2026 | filter points to the Sieve filter including its state | |
2027 | cond returned condition status | |
2028 | exec Execute parsed statements | |
2029 | ||
2030 | Returns: 1 success | |
2031 | 0 no test found | |
2032 | -1 syntax or execution error | |
2033 | */ | |
2034 | ||
2035 | static int parse_test(struct Sieve *filter, int *cond, int exec) | |
2036 | { | |
2037 | if (parse_white(filter)==-1) return -1; | |
2038 | if (parse_identifier(filter,CUS "address")) | |
2039 | { | |
2040 | /* | |
2041 | address-test = "address" { [address-part] [comparator] [match-type] } | |
2042 | <header-list: string-list> <key-list: string-list> | |
2043 | ||
2044 | header-list From, To, Cc, Bcc, Sender, Resent-From, Resent-To | |
2045 | */ | |
2046 | ||
2047 | enum AddressPart addressPart=ADDRPART_ALL; | |
5ea81592 | 2048 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2049 | enum MatchType matchType=MATCH_IS; |
2050 | struct String *hdr,*h,*key,*k; | |
2051 | int m; | |
2052 | int ap=0,co=0,mt=0; | |
2053 | ||
2054 | for (;;) | |
2055 | { | |
2056 | if (parse_white(filter)==-1) return -1; | |
2057 | if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2058 | { | |
2059 | if (m==-1) return -1; | |
2060 | if (ap) | |
2061 | { | |
2062 | filter->errmsg=CUS "address part already specified"; | |
2063 | return -1; | |
2064 | } | |
2065 | else ap=1; | |
2066 | } | |
2067 | else if ((m=parse_comparator(filter,&comparator))!=0) | |
2068 | { | |
2069 | if (m==-1) return -1; | |
2070 | if (co) | |
2071 | { | |
2072 | filter->errmsg=CUS "comparator already specified"; | |
2073 | return -1; | |
2074 | } | |
2075 | else co=1; | |
2076 | } | |
2077 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2078 | { | |
2079 | if (m==-1) return -1; | |
2080 | if (mt) | |
2081 | { | |
2082 | filter->errmsg=CUS "match type already specified"; | |
2083 | return -1; | |
2084 | } | |
2085 | else mt=1; | |
2086 | } | |
2087 | else break; | |
2088 | } | |
2089 | if (parse_white(filter)==-1) return -1; | |
2090 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2091 | { | |
2092 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2093 | return -1; | |
2094 | } | |
2095 | if (parse_white(filter)==-1) return -1; | |
2096 | if ((m=parse_stringlist(filter,&key))!=1) | |
2097 | { | |
2098 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2099 | return -1; | |
2100 | } | |
2101 | *cond=0; | |
2102 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2103 | { | |
2104 | uschar *header_value=(uschar*)0,*extracted_addr,*end_addr; | |
2105 | ||
2106 | if | |
2107 | ( | |
2108 | !eq_asciicase(h,&str_from,0) | |
2109 | && !eq_asciicase(h,&str_to,0) | |
2110 | && !eq_asciicase(h,&str_cc,0) | |
2111 | && !eq_asciicase(h,&str_bcc,0) | |
2112 | && !eq_asciicase(h,&str_sender,0) | |
2113 | && !eq_asciicase(h,&str_resent_from,0) | |
2114 | && !eq_asciicase(h,&str_resent_to,0) | |
2115 | ) | |
2116 | { | |
2117 | filter->errmsg=CUS "invalid header field"; | |
2118 | return -1; | |
2119 | } | |
2120 | if (exec) | |
2121 | { | |
2122 | /* We are only interested in addresses below, so no MIME decoding */ | |
2123 | header_value=expand_string(string_sprintf("$rheader_%s",quote(h))); | |
2124 | if (header_value == NULL) | |
2125 | { | |
2126 | filter->errmsg=CUS "header string expansion failed"; | |
2127 | return -1; | |
2128 | } | |
2129 | parse_allow_group = TRUE; | |
2130 | while (*header_value && !*cond) | |
2131 | { | |
2132 | uschar *error; | |
2133 | int start, end, domain; | |
2134 | int saveend; | |
2135 | uschar *part=NULL; | |
2136 | ||
2137 | end_addr = parse_find_address_end(header_value, FALSE); | |
2138 | saveend = *end_addr; | |
2139 | *end_addr = 0; | |
2140 | extracted_addr = parse_extract_address(header_value, &error, &start, &end, &domain, FALSE); | |
2141 | ||
2142 | if (extracted_addr) switch (addressPart) | |
2143 | { | |
2144 | case ADDRPART_ALL: part=extracted_addr; break; | |
2145 | #ifdef SUBADDRESS | |
2146 | case ADDRPART_USER: | |
2147 | #endif | |
2148 | case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break; | |
2149 | case ADDRPART_DOMAIN: part=extracted_addr+domain; break; | |
2150 | #ifdef SUBADDRESS | |
e4a89c47 | 2151 | case ADDRPART_DETAIL: part=NULL; break; |
059ec3d9 | 2152 | #endif |
059ec3d9 PH |
2153 | } |
2154 | ||
2155 | *end_addr = saveend; | |
2156 | if (part) | |
2157 | { | |
2158 | for (k=key; k->length!=-1; ++k) | |
2159 | { | |
2160 | struct String partStr; | |
2161 | ||
2162 | partStr.character=part; | |
2163 | partStr.length=Ustrlen(part); | |
2164 | if (extracted_addr) | |
2165 | { | |
2166 | *cond=compare(filter,k,&partStr,comparator,matchType); | |
2167 | if (*cond==-1) return -1; | |
2168 | if (*cond) break; | |
2169 | } | |
2170 | } | |
2171 | } | |
2172 | if (saveend == 0) break; | |
2173 | header_value = end_addr + 1; | |
2174 | } | |
1eccaa59 PH |
2175 | parse_allow_group = FALSE; |
2176 | parse_found_group = FALSE; | |
059ec3d9 PH |
2177 | } |
2178 | } | |
2179 | return 1; | |
2180 | } | |
2181 | else if (parse_identifier(filter,CUS "allof")) | |
2182 | { | |
2183 | /* | |
2184 | allof-test = "allof" <tests: test-list> | |
2185 | */ | |
2186 | ||
f7572e5a | 2187 | int n,num_true; |
059ec3d9 | 2188 | |
f7572e5a | 2189 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2190 | { |
2191 | case -1: return -1; | |
2192 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2193 | default: *cond=(n==num_true); return 1; |
059ec3d9 PH |
2194 | } |
2195 | } | |
2196 | else if (parse_identifier(filter,CUS "anyof")) | |
2197 | { | |
2198 | /* | |
2199 | anyof-test = "anyof" <tests: test-list> | |
2200 | */ | |
2201 | ||
f7572e5a | 2202 | int n,num_true; |
059ec3d9 | 2203 | |
f7572e5a | 2204 | switch (parse_testlist(filter,&n,&num_true,exec)) |
059ec3d9 PH |
2205 | { |
2206 | case -1: return -1; | |
2207 | case 0: filter->errmsg=CUS "missing test list"; return -1; | |
f7572e5a | 2208 | default: *cond=(num_true>0); return 1; |
059ec3d9 PH |
2209 | } |
2210 | } | |
2211 | else if (parse_identifier(filter,CUS "exists")) | |
2212 | { | |
2213 | /* | |
2214 | exists-test = "exists" <header-names: string-list> | |
2215 | */ | |
2216 | ||
2217 | struct String *hdr,*h; | |
2218 | int m; | |
2219 | ||
2220 | if (parse_white(filter)==-1) return -1; | |
2221 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2222 | { | |
2223 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2224 | return -1; | |
2225 | } | |
2226 | if (exec) | |
2227 | { | |
2228 | *cond=1; | |
2229 | for (h=hdr; h->length!=-1 && *cond; ++h) | |
2230 | { | |
2231 | uschar *header_def; | |
2232 | ||
2233 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2234 | if (header_def == NULL) | |
2235 | { | |
2236 | filter->errmsg=CUS "header string expansion failed"; | |
2237 | return -1; | |
2238 | } | |
2239 | if (Ustrcmp(header_def,"false")==0) *cond=0; | |
2240 | } | |
2241 | } | |
2242 | return 1; | |
2243 | } | |
2244 | else if (parse_identifier(filter,CUS "false")) | |
2245 | { | |
2246 | /* | |
2247 | false-test = "false" | |
2248 | */ | |
2249 | ||
2250 | *cond=0; | |
2251 | return 1; | |
2252 | } | |
2253 | else if (parse_identifier(filter,CUS "header")) | |
2254 | { | |
2255 | /* | |
2256 | header-test = "header" { [comparator] [match-type] } | |
2257 | <header-names: string-list> <key-list: string-list> | |
2258 | */ | |
2259 | ||
5ea81592 | 2260 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2261 | enum MatchType matchType=MATCH_IS; |
2262 | struct String *hdr,*h,*key,*k; | |
2263 | int m; | |
2264 | int co=0,mt=0; | |
2265 | ||
2266 | for (;;) | |
2267 | { | |
2268 | if (parse_white(filter)==-1) return -1; | |
2269 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2270 | { | |
2271 | if (m==-1) return -1; | |
2272 | if (co) | |
2273 | { | |
2274 | filter->errmsg=CUS "comparator already specified"; | |
2275 | return -1; | |
2276 | } | |
2277 | else co=1; | |
2278 | } | |
2279 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2280 | { | |
2281 | if (m==-1) return -1; | |
2282 | if (mt) | |
2283 | { | |
2284 | filter->errmsg=CUS "match type already specified"; | |
2285 | return -1; | |
2286 | } | |
2287 | else mt=1; | |
2288 | } | |
2289 | else break; | |
2290 | } | |
2291 | if (parse_white(filter)==-1) return -1; | |
2292 | if ((m=parse_stringlist(filter,&hdr))!=1) | |
2293 | { | |
2294 | if (m==0) filter->errmsg=CUS "header string list expected"; | |
2295 | return -1; | |
2296 | } | |
2297 | if (parse_white(filter)==-1) return -1; | |
2298 | if ((m=parse_stringlist(filter,&key))!=1) | |
2299 | { | |
2300 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2301 | return -1; | |
2302 | } | |
2303 | *cond=0; | |
2304 | for (h=hdr; h->length!=-1 && !*cond; ++h) | |
2305 | { | |
2306 | if (!is_header(h)) | |
2307 | { | |
2308 | filter->errmsg=CUS "invalid header field"; | |
2309 | return -1; | |
2310 | } | |
2311 | if (exec) | |
2312 | { | |
2313 | struct String header_value; | |
2314 | uschar *header_def; | |
2315 | ||
2316 | expand_header(&header_value,h); | |
2317 | header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h))); | |
2318 | if (header_value.character == NULL || header_def == NULL) | |
2319 | { | |
2320 | filter->errmsg=CUS "header string expansion failed"; | |
2321 | return -1; | |
2322 | } | |
2323 | for (k=key; k->length!=-1; ++k) | |
2324 | { | |
2325 | if (Ustrcmp(header_def,"true")==0) | |
2326 | { | |
2327 | *cond=compare(filter,k,&header_value,comparator,matchType); | |
2328 | if (*cond==-1) return -1; | |
2329 | if (*cond) break; | |
2330 | } | |
2331 | } | |
2332 | } | |
2333 | } | |
2334 | return 1; | |
2335 | } | |
2336 | else if (parse_identifier(filter,CUS "not")) | |
2337 | { | |
2338 | if (parse_white(filter)==-1) return -1; | |
2339 | switch (parse_test(filter,cond,exec)) | |
2340 | { | |
2341 | case -1: return -1; | |
2342 | case 0: filter->errmsg=CUS "missing test"; return -1; | |
2343 | default: *cond=!*cond; return 1; | |
2344 | } | |
2345 | } | |
2346 | else if (parse_identifier(filter,CUS "size")) | |
2347 | { | |
2348 | /* | |
2349 | relop = ":over" / ":under" | |
2350 | size-test = "size" relop <limit: number> | |
2351 | */ | |
2352 | ||
2353 | unsigned long limit; | |
2354 | int overNotUnder; | |
2355 | ||
2356 | if (parse_white(filter)==-1) return -1; | |
2357 | if (parse_identifier(filter,CUS ":over")) overNotUnder=1; | |
2358 | else if (parse_identifier(filter,CUS ":under")) overNotUnder=0; | |
2359 | else | |
2360 | { | |
2361 | filter->errmsg=CUS "missing :over or :under"; | |
2362 | return -1; | |
2363 | } | |
2364 | if (parse_white(filter)==-1) return -1; | |
2365 | if (parse_number(filter,&limit)==-1) return -1; | |
2366 | *cond=(overNotUnder ? (message_size>limit) : (message_size<limit)); | |
2367 | return 1; | |
2368 | } | |
2369 | else if (parse_identifier(filter,CUS "true")) | |
2370 | { | |
2371 | *cond=1; | |
2372 | return 1; | |
2373 | } | |
2374 | else if (parse_identifier(filter,CUS "envelope")) | |
2375 | { | |
2376 | /* | |
2377 | envelope-test = "envelope" { [comparator] [address-part] [match-type] } | |
2378 | <envelope-part: string-list> <key-list: string-list> | |
2379 | ||
2380 | envelope-part is case insensitive "from" or "to" | |
024bd3c2 PH |
2381 | #ifdef ENVELOPE_AUTH |
2382 | envelope-part =/ "auth" | |
2383 | #endif | |
059ec3d9 PH |
2384 | */ |
2385 | ||
5ea81592 | 2386 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; |
059ec3d9 PH |
2387 | enum AddressPart addressPart=ADDRPART_ALL; |
2388 | enum MatchType matchType=MATCH_IS; | |
2389 | struct String *env,*e,*key,*k; | |
2390 | int m; | |
2391 | int co=0,ap=0,mt=0; | |
2392 | ||
2393 | if (!filter->require_envelope) | |
2394 | { | |
2395 | filter->errmsg=CUS "missing previous require \"envelope\";"; | |
2396 | return -1; | |
2397 | } | |
2398 | for (;;) | |
2399 | { | |
2400 | if (parse_white(filter)==-1) return -1; | |
2401 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2402 | { | |
2403 | if (m==-1) return -1; | |
2404 | if (co) | |
2405 | { | |
2406 | filter->errmsg=CUS "comparator already specified"; | |
2407 | return -1; | |
2408 | } | |
2409 | else co=1; | |
2410 | } | |
2411 | else if ((m=parse_addresspart(filter,&addressPart))!=0) | |
2412 | { | |
2413 | if (m==-1) return -1; | |
2414 | if (ap) | |
2415 | { | |
2416 | filter->errmsg=CUS "address part already specified"; | |
2417 | return -1; | |
2418 | } | |
2419 | else ap=1; | |
2420 | } | |
2421 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2422 | { | |
2423 | if (m==-1) return -1; | |
2424 | if (mt) | |
2425 | { | |
2426 | filter->errmsg=CUS "match type already specified"; | |
2427 | return -1; | |
2428 | } | |
2429 | else mt=1; | |
2430 | } | |
2431 | else break; | |
2432 | } | |
2433 | if (parse_white(filter)==-1) return -1; | |
2434 | if ((m=parse_stringlist(filter,&env))!=1) | |
2435 | { | |
2436 | if (m==0) filter->errmsg=CUS "envelope string list expected"; | |
2437 | return -1; | |
2438 | } | |
2439 | if (parse_white(filter)==-1) return -1; | |
2440 | if ((m=parse_stringlist(filter,&key))!=1) | |
2441 | { | |
2442 | if (m==0) filter->errmsg=CUS "key string list expected"; | |
2443 | return -1; | |
2444 | } | |
2445 | *cond=0; | |
87fcc8b9 | 2446 | for (e=env; e->length!=-1 && !*cond; ++e) |
059ec3d9 PH |
2447 | { |
2448 | const uschar *envelopeExpr=CUS 0; | |
2449 | uschar *envelope=US 0; | |
2450 | ||
2451 | if (eq_asciicase(e,&str_from,0)) | |
2452 | { | |
2453 | switch (addressPart) | |
2454 | { | |
2455 | case ADDRPART_ALL: envelopeExpr=CUS "$sender_address"; break; | |
2456 | #ifdef SUBADDRESS | |
2457 | case ADDRPART_USER: | |
2458 | #endif | |
2459 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break; | |
2460 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break; | |
2461 | #ifdef SUBADDRESS | |
e4a89c47 | 2462 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; |
059ec3d9 PH |
2463 | #endif |
2464 | } | |
2465 | } | |
2466 | else if (eq_asciicase(e,&str_to,0)) | |
2467 | { | |
2468 | switch (addressPart) | |
2469 | { | |
2470 | case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break; | |
2471 | #ifdef SUBADDRESS | |
e4a89c47 PH |
2472 | case ADDRPART_USER: envelopeExpr=filter->useraddress; break; |
2473 | case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break; | |
059ec3d9 PH |
2474 | #endif |
2475 | case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break; | |
2476 | case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break; | |
2477 | } | |
2478 | } | |
024bd3c2 PH |
2479 | #ifdef ENVELOPE_AUTH |
2480 | else if (eq_asciicase(e,&str_auth,0)) | |
2481 | { | |
2482 | switch (addressPart) | |
2483 | { | |
2484 | case ADDRPART_ALL: envelopeExpr=CUS "$authenticated_sender"; break; | |
2485 | #ifdef SUBADDRESS | |
2486 | case ADDRPART_USER: | |
2487 | #endif | |
2488 | case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$authenticated_sender}"; break; | |
2489 | case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$authenticated_sender}"; break; | |
2490 | #ifdef SUBADDRESS | |
2491 | case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; | |
2492 | #endif | |
2493 | } | |
2494 | } | |
2495 | #endif | |
059ec3d9 PH |
2496 | else |
2497 | { | |
2498 | filter->errmsg=CUS "invalid envelope string"; | |
2499 | return -1; | |
2500 | } | |
2501 | if (exec && envelopeExpr) | |
2502 | { | |
2503 | if ((envelope=expand_string(US envelopeExpr)) == NULL) | |
2504 | { | |
2505 | filter->errmsg=CUS "header string expansion failed"; | |
2506 | return -1; | |
2507 | } | |
2508 | for (k=key; k->length!=-1; ++k) | |
2509 | { | |
2510 | struct String envelopeStr; | |
2511 | ||
2512 | envelopeStr.character=envelope; | |
2513 | envelopeStr.length=Ustrlen(envelope); | |
7fe1560f | 2514 | *cond=compare(filter,k,&envelopeStr,comparator,matchType); |
059ec3d9 PH |
2515 | if (*cond==-1) return -1; |
2516 | if (*cond) break; | |
2517 | } | |
2518 | } | |
2519 | } | |
2520 | return 1; | |
2521 | } | |
7c5214ec | 2522 | #ifdef ENOTIFY |
d6a60c0f | 2523 | else if (parse_identifier(filter,CUS "valid_notify_method")) |
7c5214ec PH |
2524 | { |
2525 | /* | |
d6a60c0f PH |
2526 | valid_notify_method = "valid_notify_method" |
2527 | <notification-uris: string-list> | |
7c5214ec PH |
2528 | */ |
2529 | ||
2530 | struct String *uris,*u; | |
2531 | int m; | |
2532 | ||
2533 | if (!filter->require_enotify) | |
2534 | { | |
2535 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2536 | return -1; | |
2537 | } | |
2538 | if (parse_white(filter)==-1) return -1; | |
2539 | if ((m=parse_stringlist(filter,&uris))!=1) | |
2540 | { | |
2541 | if (m==0) filter->errmsg=CUS "URI string list expected"; | |
2542 | return -1; | |
2543 | } | |
2544 | if (exec) | |
2545 | { | |
2546 | *cond=1; | |
2547 | for (u=uris; u->length!=-1 && *cond; ++u) | |
2548 | { | |
2549 | string_item *recipient; | |
4be39b49 | 2550 | struct String header,subject,body; |
7c5214ec PH |
2551 | |
2552 | recipient=NULL; | |
2553 | header.length=-1; | |
2554 | header.character=(uschar*)0; | |
4be39b49 MH |
2555 | subject.length=-1; |
2556 | subject.character=(uschar*)0; | |
7c5214ec PH |
2557 | body.length=-1; |
2558 | body.character=(uschar*)0; | |
4be39b49 | 2559 | if (parse_mailto_uri(filter,u->character,&recipient,&header,&subject,&body)!=1) |
7c5214ec PH |
2560 | *cond=0; |
2561 | } | |
2562 | } | |
2563 | return 1; | |
2564 | } | |
d6a60c0f PH |
2565 | else if (parse_identifier(filter,CUS "notify_method_capability")) |
2566 | { | |
2567 | /* | |
2568 | notify_method_capability = "notify_method_capability" [COMPARATOR] [MATCH-TYPE] | |
2569 | <notification-uri: string> | |
2570 | <notification-capability: string> | |
2571 | <key-list: string-list> | |
2572 | */ | |
2573 | ||
2574 | int m; | |
2575 | int co=0,mt=0; | |
2576 | ||
2577 | enum Comparator comparator=COMP_EN_ASCII_CASEMAP; | |
2578 | enum MatchType matchType=MATCH_IS; | |
2579 | struct String uri,capa,*keys,*k; | |
2580 | ||
2581 | if (!filter->require_enotify) | |
2582 | { | |
2583 | filter->errmsg=CUS "missing previous require \"enotify\";"; | |
2584 | return -1; | |
2585 | } | |
2586 | for (;;) | |
2587 | { | |
2588 | if (parse_white(filter)==-1) return -1; | |
2589 | if ((m=parse_comparator(filter,&comparator))!=0) | |
2590 | { | |
2591 | if (m==-1) return -1; | |
2592 | if (co) | |
2593 | { | |
2594 | filter->errmsg=CUS "comparator already specified"; | |
2595 | return -1; | |
2596 | } | |
2597 | else co=1; | |
2598 | } | |
2599 | else if ((m=parse_matchtype(filter,&matchType))!=0) | |
2600 | { | |
2601 | if (m==-1) return -1; | |
2602 | if (mt) | |
2603 | { | |
2604 | filter->errmsg=CUS "match type already specified"; | |
2605 | return -1; | |
2606 | } | |
2607 | else mt=1; | |
2608 | } | |
2609 | else break; | |
2610 | } | |
2611 | if ((m=parse_string(filter,&uri))!=1) | |
2612 | { | |
2613 | if (m==0) filter->errmsg=CUS "missing notification URI string"; | |
2614 | return -1; | |
2615 | } | |
2616 | if (parse_white(filter)==-1) return -1; | |
2617 | if ((m=parse_string(filter,&capa))!=1) | |
2618 | { | |
2619 | if (m==0) filter->errmsg=CUS "missing notification capability string"; | |
2620 | return -1; | |
2621 | } | |
2622 | if (parse_white(filter)==-1) return -1; | |
2623 | if ((m=parse_stringlist(filter,&keys))!=1) | |
2624 | { | |
2625 | if (m==0) filter->errmsg=CUS "missing key string list"; | |
2626 | return -1; | |
2627 | } | |
2628 | if (exec) | |
2629 | { | |
2630 | string_item *recipient; | |
4be39b49 | 2631 | struct String header,subject,body; |
d6a60c0f PH |
2632 | |
2633 | *cond=0; | |
2634 | recipient=NULL; | |
2635 | header.length=-1; | |
2636 | header.character=(uschar*)0; | |
4be39b49 MH |
2637 | subject.length=-1; |
2638 | subject.character=(uschar*)0; | |
d6a60c0f PH |
2639 | body.length=-1; |
2640 | body.character=(uschar*)0; | |
4be39b49 | 2641 | if (parse_mailto_uri(filter,uri.character,&recipient,&header,&subject,&body)==1) |
d6a60c0f PH |
2642 | { |
2643 | if (eq_asciicase(&capa,&str_online,0)==1) | |
2644 | for (k=keys; k->length!=-1; ++k) | |
2645 | { | |
2646 | *cond=compare(filter,k,&str_maybe,comparator,matchType); | |
2647 | if (*cond==-1) return -1; | |
2648 | if (*cond) break; | |
2649 | } | |
2650 | } | |
2651 | } | |
2652 | return 1; | |
2653 | } | |
7c5214ec | 2654 | #endif |
059ec3d9 PH |
2655 | else return 0; |
2656 | } | |
2657 | ||
2658 | ||
2659 | /************************************************* | |
2660 | * Parse and interpret an optional block * | |
2661 | *************************************************/ | |
2662 | ||
2663 | /* | |
2664 | Arguments: | |
2665 | filter points to the Sieve filter including its state | |
2666 | exec Execute parsed statements | |
2667 | generated where to hang newly-generated addresses | |
2668 | ||
2669 | Returns: 2 success by stop | |
2670 | 1 other success | |
2671 | 0 no block command found | |
2672 | -1 syntax or execution error | |
2673 | */ | |
2674 | ||
2675 | static int parse_block(struct Sieve *filter, int exec, | |
2676 | address_item **generated) | |
2677 | { | |
2678 | int r; | |
2679 | ||
2680 | if (parse_white(filter)==-1) return -1; | |
2681 | if (*filter->pc=='{') | |
2682 | { | |
2683 | ++filter->pc; | |
2684 | if ((r=parse_commands(filter,exec,generated))==-1 || r==2) return r; | |
2685 | if (*filter->pc=='}') | |
2686 | { | |
2687 | ++filter->pc; | |
2688 | return 1; | |
2689 | } | |
2690 | else | |
2691 | { | |
8e669ac1 | 2692 | filter->errmsg=CUS "expecting command or closing brace"; |
059ec3d9 PH |
2693 | return -1; |
2694 | } | |
2695 | } | |
2696 | else return 0; | |
2697 | } | |
2698 | ||
2699 | ||
2700 | /************************************************* | |
2701 | * Match a semicolon * | |
2702 | *************************************************/ | |
2703 | ||
2704 | /* | |
2705 | Arguments: | |
2706 | filter points to the Sieve filter including its state | |
2707 | ||
2708 | Returns: 1 success | |
2709 | -1 syntax error | |
2710 | */ | |
2711 | ||
2712 | static int parse_semicolon(struct Sieve *filter) | |
2713 | { | |
2714 | if (parse_white(filter)==-1) return -1; | |
2715 | if (*filter->pc==';') | |
2716 | { | |
2717 | ++filter->pc; | |
2718 | return 1; | |
2719 | } | |
2720 | else | |
2721 | { | |
2722 | filter->errmsg=CUS "missing semicolon"; | |
2723 | return -1; | |
2724 | } | |
2725 | } | |
2726 | ||
2727 | ||
2728 | /************************************************* | |
2729 | * Parse and interpret a Sieve command * | |
2730 | *************************************************/ | |
2731 | ||
2732 | /* | |
2733 | Arguments: | |
2734 | filter points to the Sieve filter including its state | |
2735 | exec Execute parsed statements | |
2736 | generated where to hang newly-generated addresses | |
2737 | ||
2738 | Returns: 2 success by stop | |
2739 | 1 other success | |
2740 | -1 syntax or execution error | |
2741 | */ | |
55414b25 JH |
2742 | static int |
2743 | parse_commands(struct Sieve *filter, int exec, address_item **generated) | |
059ec3d9 PH |
2744 | { |
2745 | while (*filter->pc) | |
2746 | { | |
2747 | if (parse_white(filter)==-1) return -1; | |
2748 | if (parse_identifier(filter,CUS "if")) | |
2749 | { | |
2750 | /* | |
2751 | if-command = "if" test block *( "elsif" test block ) [ else block ] | |
2752 | */ | |
2753 | ||
2754 | int cond,m,unsuccessful; | |
2755 | ||
2756 | /* test block */ | |
2757 | if (parse_white(filter)==-1) return -1; | |
2758 | if ((m=parse_test(filter,&cond,exec))==-1) return -1; | |
2759 | if (m==0) | |
2760 | { | |
2761 | filter->errmsg=CUS "missing test"; | |
2762 | return -1; | |
2763 | } | |
87fcc8b9 PH |
2764 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2765 | (debug_selector & D_filter) != 0) | |
2766 | { | |
2767 | if (exec) debug_printf("if %s\n",cond?"true":"false"); | |
2768 | } | |
059ec3d9 PH |
2769 | m=parse_block(filter,exec ? cond : 0, generated); |
2770 | if (m==-1 || m==2) return m; | |
2771 | if (m==0) | |
2772 | { | |
2773 | filter->errmsg=CUS "missing block"; | |
2774 | return -1; | |
2775 | } | |
2776 | unsuccessful = !cond; | |
2777 | for (;;) /* elsif test block */ | |
2778 | { | |
2779 | if (parse_white(filter)==-1) return -1; | |
2780 | if (parse_identifier(filter,CUS "elsif")) | |
2781 | { | |
2782 | if (parse_white(filter)==-1) return -1; | |
2783 | m=parse_test(filter,&cond,exec && unsuccessful); | |
2784 | if (m==-1 || m==2) return m; | |
2785 | if (m==0) | |
2786 | { | |
2787 | filter->errmsg=CUS "missing test"; | |
2788 | return -1; | |
2789 | } | |
87fcc8b9 PH |
2790 | if ((filter_test != FTEST_NONE && debug_selector != 0) || |
2791 | (debug_selector & D_filter) != 0) | |
2792 | { | |
2793 | if (exec) debug_printf("elsif %s\n",cond?"true":"false"); | |
2794 | } | |
059ec3d9 PH |
2795 | m=parse_block(filter,exec && unsuccessful ? cond : 0, generated); |
2796 | if (m==-1 || m==2) return m; | |
2797 | if (m==0) | |
2798 | { | |
2799 | filter->errmsg=CUS "missing block"; | |
2800 | return -1; | |
2801 | } | |
2802 | if (exec && unsuccessful && cond) unsuccessful = 0; | |
2803 | } | |
2804 | else break; | |
2805 | } | |
2806 | /* else block */ | |
2807 | if (parse_white(filter)==-1) return -1; | |
2808 | if (parse_identifier(filter,CUS "else")) | |
2809 | { | |
2810 | m=parse_block(filter,exec && unsuccessful, generated); | |
2811 | if (m==-1 || m==2) return m; | |
2812 | if (m==0) | |
2813 | { | |
2814 | filter->errmsg=CUS "missing block"; | |
2815 | return -1; | |
2816 | } | |
2817 | } | |
2818 | } | |
2819 | else if (parse_identifier(filter,CUS "stop")) | |
2820 | { | |
2821 | /* | |
2822 | stop-command = "stop" { stop-options } ";" | |
2823 | stop-options = | |
2824 | */ | |
2825 | ||
2826 | if (parse_semicolon(filter)==-1) return -1; | |
2827 | if (exec) | |
2828 | { | |
2829 | filter->pc+=Ustrlen(filter->pc); | |
2830 | return 2; | |
2831 | } | |
2832 | } | |
2833 | else if (parse_identifier(filter,CUS "keep")) | |
2834 | { | |
2835 | /* | |
2836 | keep-command = "keep" { keep-options } ";" | |
2837 | keep-options = | |
2838 | */ | |
2839 | ||
2840 | if (parse_semicolon(filter)==-1) return -1; | |
2841 | if (exec) | |
2842 | { | |
2843 | add_addr(generated,US"inbox",1,0,0,0); | |
2844 | filter->keep = 0; | |
2845 | } | |
2846 | } | |
2847 | else if (parse_identifier(filter,CUS "discard")) | |
2848 | { | |
2849 | /* | |
2850 | discard-command = "discard" { discard-options } ";" | |
2851 | discard-options = | |
2852 | */ | |
2853 | ||
2854 | if (parse_semicolon(filter)==-1) return -1; | |
2855 | if (exec) filter->keep=0; | |
2856 | } | |
2857 | else if (parse_identifier(filter,CUS "redirect")) | |
2858 | { | |
2859 | /* | |
2860 | redirect-command = "redirect" redirect-options "string" ";" | |
2861 | redirect-options = | |
2862 | redirect-options =) ":copy" | |
2863 | */ | |
2864 | ||
2865 | struct String recipient; | |
2866 | int m; | |
2867 | int copy=0; | |
2868 | ||
2869 | for (;;) | |
2870 | { | |
2871 | if (parse_white(filter)==-1) return -1; | |
2872 | if (parse_identifier(filter,CUS ":copy")==1) | |
2873 | { | |
2874 | if (!filter->require_copy) | |
2875 | { | |
2876 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2877 | return -1; | |
2878 | } | |
2879 | copy=1; | |
2880 | } | |
2881 | else break; | |
2882 | } | |
2883 | if (parse_white(filter)==-1) return -1; | |
2884 | if ((m=parse_string(filter,&recipient))!=1) | |
2885 | { | |
2886 | if (m==0) filter->errmsg=CUS "missing redirect recipient string"; | |
2887 | return -1; | |
2888 | } | |
2889 | if (strchr(CCS recipient.character,'@')==(char*)0) | |
2890 | { | |
2891 | filter->errmsg=CUS "unqualified recipient address"; | |
2892 | return -1; | |
2893 | } | |
2894 | if (exec) | |
2895 | { | |
2896 | add_addr(generated,recipient.character,0,0,0,0); | |
2897 | if (!copy) filter->keep = 0; | |
2898 | } | |
2899 | if (parse_semicolon(filter)==-1) return -1; | |
2900 | } | |
2901 | else if (parse_identifier(filter,CUS "fileinto")) | |
2902 | { | |
2903 | /* | |
2904 | fileinto-command = "fileinto" { fileinto-options } string ";" | |
2905 | fileinto-options = | |
2906 | fileinto-options =) [ ":copy" ] | |
87fcc8b9 | 2907 | */ |
059ec3d9 PH |
2908 | |
2909 | struct String folder; | |
2910 | uschar *s; | |
2911 | int m; | |
2912 | unsigned long maxage, maxmessages, maxstorage; | |
2913 | int copy=0; | |
2914 | ||
2915 | maxage = maxmessages = maxstorage = 0; | |
2916 | if (!filter->require_fileinto) | |
2917 | { | |
2918 | filter->errmsg=CUS "missing previous require \"fileinto\";"; | |
2919 | return -1; | |
2920 | } | |
2921 | for (;;) | |
2922 | { | |
2923 | if (parse_white(filter)==-1) return -1; | |
2924 | if (parse_identifier(filter,CUS ":copy")==1) | |
2925 | { | |
2926 | if (!filter->require_copy) | |
2927 | { | |
2928 | filter->errmsg=CUS "missing previous require \"copy\";"; | |
2929 | return -1; | |
2930 | } | |
2931 | copy=1; | |
2932 | } | |
2933 | else break; | |
2934 | } | |
2935 | if (parse_white(filter)==-1) return -1; | |
2936 | if ((m=parse_string(filter,&folder))!=1) | |
2937 | { | |
2938 | if (m==0) filter->errmsg=CUS "missing fileinto folder string"; | |
2939 | return -1; | |
2940 | } | |
2941 | m=0; s=folder.character; | |
2942 | if (folder.length==0) m=1; | |
2943 | if (Ustrcmp(s,"..")==0 || Ustrncmp(s,"../",3)==0) m=1; | |
2944 | else while (*s) | |
2945 | { | |
2946 | if (Ustrcmp(s,"/..")==0 || Ustrncmp(s,"/../",4)==0) { m=1; break; } | |
2947 | ++s; | |
2948 | } | |
2949 | if (m) | |
2950 | { | |
2951 | filter->errmsg=CUS "invalid folder"; | |
2952 | return -1; | |
2953 | } | |
2954 | if (exec) | |
2955 | { | |
2956 | add_addr(generated, folder.character, 1, maxage, maxmessages, maxstorage); | |
2957 | if (!copy) filter->keep = 0; | |
2958 | } | |
2959 | if (parse_semicolon(filter)==-1) return -1; | |
2960 | } | |
7c5214ec | 2961 | #ifdef ENOTIFY |
87fcc8b9 PH |
2962 | else if (parse_identifier(filter,CUS "notify")) |
2963 | { | |
2964 | /* | |
7c5214ec PH |
2965 | notify-command = "notify" { notify-options } <method: string> ";" |
2966 | notify-options = [":from" string] | |
2967 | [":importance" <"1" / "2" / "3">] | |
2968 | [":options" 1*(string-list / number)] | |
87fcc8b9 PH |
2969 | [":message" string] |
2970 | */ | |
2971 | ||
2972 | int m; | |
7c5214ec PH |
2973 | struct String from; |
2974 | struct String importance; | |
87fcc8b9 | 2975 | struct String message; |
7c5214ec | 2976 | struct String method; |
50c99ba6 PH |
2977 | struct Notification *already; |
2978 | string_item *recipient; | |
7c5214ec | 2979 | struct String header; |
4be39b49 | 2980 | struct String subject; |
50c99ba6 | 2981 | struct String body; |
c61f2b4f | 2982 | uschar *envelope_from; |
c66441d7 MH |
2983 | struct String auto_submitted_value; |
2984 | uschar *auto_submitted_def; | |
87fcc8b9 | 2985 | |
7c5214ec | 2986 | if (!filter->require_enotify) |
87fcc8b9 | 2987 | { |
7c5214ec | 2988 | filter->errmsg=CUS "missing previous require \"enotify\";"; |
87fcc8b9 PH |
2989 | return -1; |
2990 | } | |
7c5214ec PH |
2991 | from.character=(uschar*)0; |
2992 | from.length=-1; | |
2993 | importance.character=(uschar*)0; | |
2994 | importance.length=-1; | |
87fcc8b9 PH |
2995 | message.character=(uschar*)0; |
2996 | message.length=-1; | |
50c99ba6 | 2997 | recipient=NULL; |
7c5214ec PH |
2998 | header.length=-1; |
2999 | header.character=(uschar*)0; | |
4be39b49 MH |
3000 | subject.length=-1; |
3001 | subject.character=(uschar*)0; | |
50c99ba6 PH |
3002 | body.length=-1; |
3003 | body.character=(uschar*)0; | |
5ca6d115 | 3004 | envelope_from=(sender_address && sender_address[0]) ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : US ""; |
87fcc8b9 PH |
3005 | for (;;) |
3006 | { | |
3007 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3008 | if (parse_identifier(filter,CUS ":from")==1) |
87fcc8b9 PH |
3009 | { |
3010 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3011 | if ((m=parse_string(filter,&from))!=1) |
87fcc8b9 | 3012 | { |
7c5214ec | 3013 | if (m==0) filter->errmsg=CUS "from string expected"; |
87fcc8b9 PH |
3014 | return -1; |
3015 | } | |
50c99ba6 | 3016 | } |
7c5214ec | 3017 | else if (parse_identifier(filter,CUS ":importance")==1) |
50c99ba6 PH |
3018 | { |
3019 | if (parse_white(filter)==-1) return -1; | |
7c5214ec | 3020 | if ((m=parse_string(filter,&importance))!=1) |
50c99ba6 | 3021 | { |
7c5214ec PH |
3022 | if (m==0) filter->errmsg=CUS "importance string expected"; |
3023 | return -1; | |
3024 | } | |
3025 | if (importance.length!=1 || importance.character[0]<'1' || importance.character[0]>'3') | |
3026 | { | |
3027 | filter->errmsg=CUS "invalid importance"; | |
50c99ba6 PH |
3028 | return -1; |
3029 | } | |
87fcc8b9 | 3030 | } |
7c5214ec PH |
3031 | else if (parse_identifier(filter,CUS ":options")==1) |
3032 | { | |
3033 | if (parse_white(filter)==-1) return -1; | |
3034 | } | |
87fcc8b9 PH |
3035 | else if (parse_identifier(filter,CUS ":message")==1) |
3036 | { | |
3037 | if (parse_white(filter)==-1) return -1; | |
3038 | if ((m=parse_string(filter,&message))!=1) | |
3039 | { | |
3040 | if (m==0) filter->errmsg=CUS "message string expected"; | |
3041 | return -1; | |
3042 | } | |
3043 | } | |
3044 | else break; | |
3045 | } | |
7c5214ec PH |
3046 | if (parse_white(filter)==-1) return -1; |
3047 | if ((m=parse_string(filter,&method))!=1) | |
3048 | { | |
3049 | if (m==0) filter->errmsg=CUS "missing method string"; | |
3050 | return -1; | |
3051 | } | |
87fcc8b9 | 3052 | if (parse_semicolon(filter)==-1) return -1; |
4be39b49 MH |
3053 | if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1) |
3054 | return -1; | |
c61f2b4f | 3055 | if (exec) |
50c99ba6 | 3056 | { |
c61f2b4f MH |
3057 | if (message.length==-1) message=subject; |
3058 | if (message.length==-1) expand_header(&message,&str_subject); | |
3059 | expand_header(&auto_submitted_value,&str_auto_submitted); | |
3060 | auto_submitted_def=expand_string(string_sprintf("${if def:header_auto-submitted {true}{false}}")); | |
3061 | if (auto_submitted_value.character == NULL || auto_submitted_def == NULL) | |
50c99ba6 | 3062 | { |
c61f2b4f MH |
3063 | filter->errmsg=CUS "header string expansion failed"; |
3064 | return -1; | |
50c99ba6 | 3065 | } |
c61f2b4f | 3066 | if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0) |
7c5214ec | 3067 | { |
c61f2b4f | 3068 | for (already=filter->notified; already; already=already->next) |
7c5214ec | 3069 | { |
c61f2b4f | 3070 | if (already->method.length==method.length |
5ca6d115 | 3071 | && (method.length==-1 || Ustrcmp(already->method.character,method.character)==0) |
c61f2b4f | 3072 | && already->importance.length==importance.length |
5ca6d115 | 3073 | && (importance.length==-1 || Ustrcmp(already->importance.character,importance.character)==0) |
c61f2b4f | 3074 | && already->message.length==message.length |
5ca6d115 | 3075 | && (message.length==-1 || Ustrcmp(already->message.character,message.character)==0)) |
c61f2b4f | 3076 | break; |
c66441d7 | 3077 | } |
c61f2b4f MH |
3078 | if (already==(struct Notification*)0) |
3079 | /* New notification, process it */ | |
c66441d7 | 3080 | { |
c61f2b4f MH |
3081 | struct Notification *sent; |
3082 | sent=store_get(sizeof(struct Notification)); | |
3083 | sent->method=method; | |
3084 | sent->importance=importance; | |
3085 | sent->message=message; | |
3086 | sent->next=filter->notified; | |
3087 | filter->notified=sent; | |
3088 | #ifndef COMPILE_SYNTAX_CHECKER | |
3089 | if (filter_test == FTEST_NONE) | |
d2ee6114 | 3090 | { |
c61f2b4f | 3091 | string_item *p; |
c61f2b4f MH |
3092 | int pid,fd; |
3093 | ||
3094 | if ((pid = child_open_exim2(&fd,envelope_from,envelope_from))>=1) | |
c66441d7 | 3095 | { |
c61f2b4f MH |
3096 | FILE *f; |
3097 | uschar *buffer; | |
3098 | int buffer_capacity; | |
3099 | ||
3100 | f = fdopen(fd, "wb"); | |
5ca6d115 | 3101 | fprintf(f,"From: %s\n",from.length==-1 ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : from.character); |
c61f2b4f | 3102 | for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); |
5f71124d | 3103 | fprintf(f,"Auto-Submitted: auto-notified; %s\n",filter->enotify_mailto_owner); |
c61f2b4f MH |
3104 | if (header.length>0) fprintf(f,"%s",header.character); |
3105 | if (message.length==-1) | |
3106 | { | |
3107 | message.character=US"Notification"; | |
3108 | message.length=Ustrlen(message.character); | |
3109 | } | |
4c04137d | 3110 | /* Allocation is larger than necessary, but enough even for split MIME words */ |
c61f2b4f MH |
3111 | buffer_capacity=32+4*message.length; |
3112 | buffer=store_get(buffer_capacity); | |
3113 | if (message.length!=-1) fprintf(f,"Subject: %s\n",parse_quote_2047(message.character, message.length, US"utf-8", buffer, buffer_capacity, TRUE)); | |
3114 | fprintf(f,"\n"); | |
3115 | if (body.length>0) fprintf(f,"%s\n",body.character); | |
3116 | fflush(f); | |
3117 | (void)fclose(f); | |
3118 | (void)child_close(pid, 0); | |
c66441d7 | 3119 | } |
d2ee6114 | 3120 | } |
c61f2b4f MH |
3121 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
3122 | { | |
3123 | debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS ""); | |
3124 | } | |
7c5214ec | 3125 | #endif |
c61f2b4f MH |
3126 | } |
3127 | else | |
3128 | { | |
3129 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3130 | { | |
3131 | debug_printf("Repeated notification to `%s' ignored.\n",method.character); | |
3132 | } | |
3133 | } | |
c66441d7 MH |
3134 | } |
3135 | else | |
3136 | { | |
3137 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) | |
3138 | { | |
c61f2b4f | 3139 | debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n"); |
c66441d7 MH |
3140 | } |
3141 | } | |
7c5214ec | 3142 | } |
87fcc8b9 PH |
3143 | } |
3144 | #endif | |
059ec3d9 PH |
3145 | #ifdef VACATION |
3146 | else if (parse_identifier(filter,CUS "vacation")) | |
3147 | { | |
3148 | /* | |
3149 | vacation-command = "vacation" { vacation-options } <reason: string> ";" | |
3150 | vacation-options = [":days" number] | |
059ec3d9 | 3151 | [":subject" string] |
f656d135 PH |
3152 | [":from" string] |
3153 | [":addresses" string-list] | |
059ec3d9 | 3154 | [":mime"] |
f656d135 | 3155 | [":handle" string] |
059ec3d9 PH |
3156 | */ |
3157 | ||
3158 | int m; | |
3159 | unsigned long days; | |
059ec3d9 | 3160 | struct String subject; |
f656d135 PH |
3161 | struct String from; |
3162 | struct String *addresses; | |
059ec3d9 PH |
3163 | int reason_is_mime; |
3164 | string_item *aliases; | |
f656d135 | 3165 | struct String handle; |
059ec3d9 PH |
3166 | struct String reason; |
3167 | ||
3168 | if (!filter->require_vacation) | |
3169 | { | |
3170 | filter->errmsg=CUS "missing previous require \"vacation\";"; | |
3171 | return -1; | |
3172 | } | |
3173 | if (exec) | |
3174 | { | |
3175 | if (filter->vacation_ran) | |
3176 | { | |
3177 | filter->errmsg=CUS "trying to execute vacation more than once"; | |
3178 | return -1; | |
3179 | } | |
3180 | filter->vacation_ran=1; | |
3181 | } | |
3182 | days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7; | |
3183 | subject.character=(uschar*)0; | |
3184 | subject.length=-1; | |
f656d135 PH |
3185 | from.character=(uschar*)0; |
3186 | from.length=-1; | |
3187 | addresses=(struct String*)0; | |
059ec3d9 PH |
3188 | aliases=NULL; |
3189 | reason_is_mime=0; | |
f656d135 PH |
3190 | handle.character=(uschar*)0; |
3191 | handle.length=-1; | |
059ec3d9 PH |
3192 | for (;;) |
3193 | { | |
3194 | if (parse_white(filter)==-1) return -1; | |
3195 | if (parse_identifier(filter,CUS ":days")==1) | |
3196 | { | |
3197 | if (parse_white(filter)==-1) return -1; | |
3198 | if (parse_number(filter,&days)==-1) return -1; | |
3199 | if (days<VACATION_MIN_DAYS) days=VACATION_MIN_DAYS; | |
3200 | else if (days>VACATION_MAX_DAYS) days=VACATION_MAX_DAYS; | |
3201 | } | |
f656d135 PH |
3202 | else if (parse_identifier(filter,CUS ":subject")==1) |
3203 | { | |
3204 | if (parse_white(filter)==-1) return -1; | |
3205 | if ((m=parse_string(filter,&subject))!=1) | |
3206 | { | |
3207 | if (m==0) filter->errmsg=CUS "subject string expected"; | |
3208 | return -1; | |
3209 | } | |
3210 | } | |
3211 | else if (parse_identifier(filter,CUS ":from")==1) | |
3212 | { | |
f656d135 PH |
3213 | if (parse_white(filter)==-1) return -1; |
3214 | if ((m=parse_string(filter,&from))!=1) | |
3215 | { | |
3216 | if (m==0) filter->errmsg=CUS "from string expected"; | |
3217 | return -1; | |
3218 | } | |
7c5214ec | 3219 | if (check_mail_address(filter,&from)!=1) |
f656d135 | 3220 | return -1; |
f656d135 | 3221 | } |
059ec3d9 PH |
3222 | else if (parse_identifier(filter,CUS ":addresses")==1) |
3223 | { | |
3224 | struct String *a; | |
3225 | ||
3226 | if (parse_white(filter)==-1) return -1; | |
3227 | if ((m=parse_stringlist(filter,&addresses))!=1) | |
3228 | { | |
3229 | if (m==0) filter->errmsg=CUS "addresses string list expected"; | |
3230 | return -1; | |
3231 | } | |
3232 | for (a=addresses; a->length!=-1; ++a) | |
3233 | { | |
3234 | string_item *new; | |
3235 | ||
3236 | new=store_get(sizeof(string_item)); | |
3237 | new->text=store_get(a->length+1); | |
3238 | if (a->length) memcpy(new->text,a->character,a->length); | |
3239 | new->text[a->length]='\0'; | |
3240 | new->next=aliases; | |
3241 | aliases=new; | |
3242 | } | |
3243 | } | |
f656d135 PH |
3244 | else if (parse_identifier(filter,CUS ":mime")==1) |
3245 | reason_is_mime=1; | |
3246 | else if (parse_identifier(filter,CUS ":handle")==1) | |
059ec3d9 PH |
3247 | { |
3248 | if (parse_white(filter)==-1) return -1; | |
f656d135 | 3249 | if ((m=parse_string(filter,&from))!=1) |
059ec3d9 | 3250 | { |
f656d135 | 3251 | if (m==0) filter->errmsg=CUS "handle string expected"; |
059ec3d9 PH |
3252 | return -1; |
3253 | } | |
3254 | } | |
059ec3d9 PH |
3255 | else break; |
3256 | } | |
3257 | if (parse_white(filter)==-1) return -1; | |
3258 | if ((m=parse_string(filter,&reason))!=1) | |
3259 | { | |
3260 | if (m==0) filter->errmsg=CUS "missing reason string"; | |
3261 | return -1; | |
3262 | } | |
5ea81592 PH |
3263 | if (reason_is_mime) |
3264 | { | |
3265 | uschar *s,*end; | |
3266 | ||
3267 | for (s=reason.character,end=reason.character+reason.length; s<end && (*s&0x80)==0; ++s); | |
3268 | if (s<end) | |
3269 | { | |
3270 | filter->errmsg=CUS "MIME reason string contains 8bit text"; | |
3271 | return -1; | |
3272 | } | |
3273 | } | |
059ec3d9 PH |
3274 | if (parse_semicolon(filter)==-1) return -1; |
3275 | ||
3276 | if (exec) | |
3277 | { | |
3278 | address_item *addr; | |
3279 | int capacity,start; | |
3280 | uschar *buffer; | |
3281 | int buffer_capacity; | |
3282 | struct String key; | |
3283 | md5 base; | |
3284 | uschar digest[16]; | |
3285 | uschar hexdigest[33]; | |
3286 | int i; | |
3287 | uschar *once; | |
3288 | ||
3289 | if (filter_personal(aliases,TRUE)) | |
3290 | { | |
4929acf0 PH |
3291 | if (filter_test == FTEST_NONE) |
3292 | { | |
3293 | /* ensure oncelog directory exists; failure will be detected later */ | |
059ec3d9 | 3294 | |
4929acf0 PH |
3295 | (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); |
3296 | } | |
059ec3d9 PH |
3297 | /* build oncelog filename */ |
3298 | ||
3299 | key.character=(uschar*)0; | |
3300 | key.length=0; | |
3301 | capacity=0; | |
f656d135 | 3302 | if (handle.length==-1) |
8e669ac1 | 3303 | { |
c2f669a4 JH |
3304 | if (subject.length!=-1) key.character=string_catn(key.character,&capacity,&key.length,subject.character,subject.length); |
3305 | if (from.length!=-1) key.character=string_catn(key.character,&capacity,&key.length,from.character,from.length); | |
3306 | key.character=string_catn(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1); | |
3307 | key.character=string_catn(key.character,&capacity,&key.length,reason.character,reason.length); | |
8e669ac1 | 3308 | } |
f656d135 PH |
3309 | else |
3310 | key=handle; | |
059ec3d9 PH |
3311 | md5_start(&base); |
3312 | md5_end(&base, key.character, key.length, digest); | |
3313 | for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); | |
50c99ba6 | 3314 | if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3315 | { |
4929acf0 | 3316 | debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest); |
059ec3d9 | 3317 | } |
50c99ba6 | 3318 | if (filter_test == FTEST_NONE) |
059ec3d9 | 3319 | { |
4929acf0 PH |
3320 | capacity=Ustrlen(filter->vacation_directory); |
3321 | start=capacity; | |
c2f669a4 JH |
3322 | once=string_catn(filter->vacation_directory,&capacity,&start,US"/",1); |
3323 | once=string_catn(once,&capacity,&start,hexdigest,33); | |
4929acf0 PH |
3324 | once[start] = '\0'; |
3325 | ||
3326 | /* process subject */ | |
3327 | ||
3328 | if (subject.length==-1) | |
3329 | { | |
50c99ba6 PH |
3330 | uschar *subject_def; |
3331 | ||
3332 | subject_def=expand_string(US"${if def:header_subject {true}{false}}"); | |
3333 | if (Ustrcmp(subject_def,"true")==0) | |
3334 | { | |
3335 | expand_header(&subject,&str_subject); | |
3336 | capacity=6; | |
3337 | start=6; | |
c2f669a4 | 3338 | subject.character=string_catn(US"Auto: ",&capacity,&start,subject.character,subject.length); |
50c99ba6 PH |
3339 | subject.length=start; |
3340 | } | |
3341 | else | |
3342 | { | |
3343 | subject.character=US"Automated reply"; | |
3344 | subject.length=Ustrlen(subject.character); | |
3345 | } | |
4929acf0 PH |
3346 | } |
3347 | ||
3348 | /* add address to list of generated addresses */ | |
3349 | ||
3350 | addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); | |
3351 | setflag(addr, af_pfr); | |
7eb0e5d2 | 3352 | addr->prop.ignore_error = TRUE; |
4929acf0 PH |
3353 | addr->next = *generated; |
3354 | *generated = addr; | |
3355 | addr->reply = store_get(sizeof(reply_item)); | |
3356 | memset(addr->reply,0,sizeof(reply_item)); /* XXX */ | |
3357 | addr->reply->to = string_copy(sender_address); | |
f656d135 PH |
3358 | if (from.length==-1) |
3359 | addr->reply->from = expand_string(US"$local_part@$domain"); | |
3360 | else | |
3361 | addr->reply->from = from.character; | |
4c04137d | 3362 | /* Allocation is larger than necessary, but enough even for split MIME words */ |
50c99ba6 | 3363 | buffer_capacity=32+4*subject.length; |
4929acf0 | 3364 | buffer=store_get(buffer_capacity); |
55414b25 JH |
3365 | /* deconst cast safe as we pass in a non-const item */ |
3366 | addr->reply->subject = US parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); | |
4929acf0 PH |
3367 | addr->reply->oncelog=once; |
3368 | addr->reply->once_repeat=days*86400; | |
3369 | ||
3370 | /* build body and MIME headers */ | |
3371 | ||
3372 | if (reason_is_mime) | |
3373 | { | |
3374 | uschar *mime_body,*reason_end; | |
4929acf0 | 3375 | static const uschar nlnl[]="\r\n\r\n"; |
059ec3d9 | 3376 | |
4929acf0 PH |
3377 | for |
3378 | ( | |
3379 | mime_body=reason.character,reason_end=reason.character+reason.length; | |
50c99ba6 | 3380 | mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1)); |
4929acf0 PH |
3381 | ++mime_body |
3382 | ); | |
3383 | capacity = 0; | |
3384 | start = 0; | |
c2f669a4 | 3385 | addr->reply->headers = string_catn(NULL,&capacity,&start,reason.character,mime_body-reason.character); |
4929acf0 PH |
3386 | addr->reply->headers[start] = '\0'; |
3387 | capacity = 0; | |
3388 | start = 0; | |
50c99ba6 | 3389 | if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=(sizeof(nlnl)-1); |
4929acf0 | 3390 | else mime_body=reason_end-1; |
c2f669a4 | 3391 | addr->reply->text = string_catn(NULL,&capacity,&start,mime_body,reason_end-mime_body); |
4929acf0 PH |
3392 | addr->reply->text[start] = '\0'; |
3393 | } | |
3394 | else | |
3395 | { | |
f2ed27cf | 3396 | struct String qp = { .character = NULL, .length = 0 }; /* Keep compiler happy (PH) */ |
4929acf0 PH |
3397 | |
3398 | capacity = 0; | |
3399 | start = reason.length; | |
3400 | addr->reply->headers = US"MIME-Version: 1.0\n" | |
3401 | "Content-Type: text/plain;\n" | |
3402 | "\tcharset=\"utf-8\"\n" | |
3403 | "Content-Transfer-Encoding: quoted-printable"; | |
3404 | addr->reply->text = quoted_printable_encode(&reason,&qp)->character; | |
3405 | } | |
059ec3d9 | 3406 | } |
4929acf0 | 3407 | } |
50c99ba6 | 3408 | else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) |
059ec3d9 | 3409 | { |
4929acf0 | 3410 | debug_printf("Sieve: mail was not personal, vacation would ignore it\n"); |
059ec3d9 | 3411 | } |
059ec3d9 PH |
3412 | } |
3413 | } | |
4929acf0 | 3414 | else break; |
059ec3d9 | 3415 | #endif |
059ec3d9 PH |
3416 | } |
3417 | return 1; | |
3418 | } | |
3419 | ||
3420 | ||
3421 | /************************************************* | |
3422 | * Parse and interpret a sieve filter * | |
3423 | *************************************************/ | |
3424 | ||
3425 | /* | |
3426 | Arguments: | |
3427 | filter points to the Sieve filter including its state | |
3428 | exec Execute parsed statements | |
3429 | generated where to hang newly-generated addresses | |
3430 | ||
3431 | Returns: 1 success | |
3432 | -1 syntax or execution error | |
3433 | */ | |
3434 | ||
c007c974 JH |
3435 | static int |
3436 | parse_start(struct Sieve *filter, int exec, address_item **generated) | |
059ec3d9 PH |
3437 | { |
3438 | filter->pc=filter->filter; | |
3439 | filter->line=1; | |
3440 | filter->keep=1; | |
3441 | filter->require_envelope=0; | |
3442 | filter->require_fileinto=0; | |
84024b72 PH |
3443 | #ifdef ENCODED_CHARACTER |
3444 | filter->require_encoded_character=0; | |
3445 | #endif | |
024bd3c2 PH |
3446 | #ifdef ENVELOPE_AUTH |
3447 | filter->require_envelope_auth=0; | |
3448 | #endif | |
7c5214ec PH |
3449 | #ifdef ENOTIFY |
3450 | filter->require_enotify=0; | |
50c99ba6 | 3451 | filter->notified=(struct Notification*)0; |
87fcc8b9 | 3452 | #endif |
059ec3d9 PH |
3453 | #ifdef SUBADDRESS |
3454 | filter->require_subaddress=0; | |
3455 | #endif | |
3456 | #ifdef VACATION | |
3457 | filter->require_vacation=0; | |
3458 | filter->vacation_ran=0; | |
3459 | #endif | |
3460 | filter->require_copy=0; | |
3461 | filter->require_iascii_numeric=0; | |
3462 | ||
3463 | if (parse_white(filter)==-1) return -1; | |
3464 | ||
4929acf0 | 3465 | if (exec && filter->vacation_directory != NULL && filter_test == FTEST_NONE) |
059ec3d9 PH |
3466 | { |
3467 | DIR *oncelogdir; | |
3468 | struct dirent *oncelog; | |
3469 | struct stat properties; | |
3470 | time_t now; | |
3471 | ||
3472 | /* clean up old vacation log databases */ | |
3473 | ||
3474 | oncelogdir=opendir(CS filter->vacation_directory); | |
3475 | ||
3476 | if (oncelogdir ==(DIR*)0 && errno != ENOENT) | |
3477 | { | |
3478 | filter->errmsg=CUS "unable to open vacation directory"; | |
3479 | return -1; | |
3480 | } | |
3481 | ||
3482 | if (oncelogdir != NULL) | |
3483 | { | |
3484 | time(&now); | |
3485 | ||
3486 | while ((oncelog=readdir(oncelogdir))!=(struct dirent*)0) | |
3487 | { | |
3488 | if (strlen(oncelog->d_name)==32) | |
3489 | { | |
3490 | uschar *s=string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name); | |
3491 | if (Ustat(s,&properties)==0 && (properties.st_mtime+VACATION_MAX_DAYS*86400)<now) | |
3492 | Uunlink(s); | |
3493 | } | |
3494 | } | |
3495 | closedir(oncelogdir); | |
3496 | } | |
3497 | } | |
3498 | ||
3499 | while (parse_identifier(filter,CUS "require")) | |
3500 | { | |
3501 | /* | |
3502 | require-command = "require" <capabilities: string-list> | |
3503 | */ | |
3504 | ||
3505 | struct String *cap,*check; | |
3506 | int m; | |
3507 | ||
3508 | if (parse_white(filter)==-1) return -1; | |
3509 | if ((m=parse_stringlist(filter,&cap))!=1) | |
3510 | { | |
3511 | if (m==0) filter->errmsg=CUS "capability string list expected"; | |
3512 | return -1; | |
3513 | } | |
3514 | for (check=cap; check->character; ++check) | |
3515 | { | |
5ea81592 PH |
3516 | if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1; |
3517 | else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1; | |
84024b72 PH |
3518 | #ifdef ENCODED_CHARACTER |
3519 | else if (eq_octet(check,&str_encoded_character,0)) filter->require_encoded_character=1; | |
3520 | #endif | |
024bd3c2 PH |
3521 | #ifdef ENVELOPE_AUTH |
3522 | else if (eq_octet(check,&str_envelope_auth,0)) filter->require_envelope_auth=1; | |
3523 | #endif | |
7c5214ec | 3524 | #ifdef ENOTIFY |
efd9a422 MH |
3525 | else if (eq_octet(check,&str_enotify,0)) |
3526 | { | |
3527 | if (filter->enotify_mailto_owner == NULL) | |
3528 | { | |
3529 | filter->errmsg=CUS "enotify disabled"; | |
3530 | return -1; | |
3531 | } | |
3532 | filter->require_enotify=1; | |
3533 | } | |
87fcc8b9 | 3534 | #endif |
059ec3d9 | 3535 | #ifdef SUBADDRESS |
5ea81592 | 3536 | else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; |
059ec3d9 PH |
3537 | #endif |
3538 | #ifdef VACATION | |
5ea81592 | 3539 | else if (eq_octet(check,&str_vacation,0)) |
059ec3d9 | 3540 | { |
4929acf0 | 3541 | if (filter_test == FTEST_NONE && filter->vacation_directory == NULL) |
059ec3d9 PH |
3542 | { |
3543 | filter->errmsg=CUS "vacation disabled"; | |
3544 | return -1; | |
3545 | } | |
3546 | filter->require_vacation=1; | |
3547 | } | |
3548 | #endif | |
5ea81592 PH |
3549 | else if (eq_octet(check,&str_copy,0)) filter->require_copy=1; |
3550 | else if (eq_octet(check,&str_comparator_ioctet,0)) ; | |
3551 | else if (eq_octet(check,&str_comparator_iascii_casemap,0)) ; | |
3552 | else if (eq_octet(check,&str_comparator_enascii_casemap,0)) ; | |
3553 | else if (eq_octet(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; | |
059ec3d9 PH |
3554 | else |
3555 | { | |
3556 | filter->errmsg=CUS "unknown capability"; | |
3557 | return -1; | |
3558 | } | |
3559 | } | |
3560 | if (parse_semicolon(filter)==-1) return -1; | |
3561 | } | |
3562 | if (parse_commands(filter,exec,generated)==-1) return -1; | |
3563 | if (*filter->pc) | |
3564 | { | |
3565 | filter->errmsg=CUS "syntax error"; | |
3566 | return -1; | |
3567 | } | |
3568 | return 1; | |
3569 | } | |
3570 | ||
3571 | ||
3572 | /************************************************* | |
3573 | * Interpret a sieve filter file * | |
3574 | *************************************************/ | |
3575 | ||
3576 | /* | |
3577 | Arguments: | |
3578 | filter points to the entire file, read into store as a single string | |
3579 | options controls whether various special things are allowed, and requests | |
3580 | special actions (not currently used) | |
efd9a422 MH |
3581 | vacation_directory where to store vacation "once" files |
3582 | enotify_mailto_owner owner of mailto notifications | |
e4a89c47 PH |
3583 | useraddress string expression for :user part of address |
3584 | subaddress string expression for :subaddress part of address | |
059ec3d9 PH |
3585 | generated where to hang newly-generated addresses |
3586 | error where to pass back an error text | |
3587 | ||
3588 | Returns: FF_DELIVERED success, a significant action was taken | |
3589 | FF_NOTDELIVERED success, no significant action | |
3590 | FF_DEFER defer requested | |
3591 | FF_FAIL fail requested | |
3592 | FF_FREEZE freeze requested | |
3593 | FF_ERROR there was a problem | |
3594 | */ | |
3595 | ||
3596 | int | |
3597 | sieve_interpret(uschar *filter, int options, uschar *vacation_directory, | |
efd9a422 MH |
3598 | uschar *enotify_mailto_owner, uschar *useraddress, uschar *subaddress, |
3599 | address_item **generated, uschar **error) | |
059ec3d9 PH |
3600 | { |
3601 | struct Sieve sieve; | |
3602 | int r; | |
3603 | uschar *msg; | |
3604 | ||
3605 | options = options; /* Keep picky compilers happy */ | |
3606 | error = error; | |
3607 | ||
3608 | DEBUG(D_route) debug_printf("Sieve: start of processing\n"); | |
3609 | sieve.filter=filter; | |
3610 | ||
3611 | if (vacation_directory == NULL) | |
3612 | sieve.vacation_directory = NULL; | |
3613 | else | |
3614 | { | |
3615 | sieve.vacation_directory=expand_string(vacation_directory); | |
3616 | if (sieve.vacation_directory == NULL) | |
3617 | { | |
3618 | *error = string_sprintf("failed to expand \"%s\" " | |
3619 | "(sieve_vacation_directory): %s", vacation_directory, | |
3620 | expand_string_message); | |
3621 | return FF_ERROR; | |
3622 | } | |
3623 | } | |
3624 | ||
efd9a422 MH |
3625 | if (enotify_mailto_owner == NULL) |
3626 | sieve.enotify_mailto_owner = NULL; | |
3627 | else | |
3628 | { | |
3629 | sieve.enotify_mailto_owner=expand_string(enotify_mailto_owner); | |
3630 | if (sieve.enotify_mailto_owner == NULL) | |
3631 | { | |
3632 | *error = string_sprintf("failed to expand \"%s\" " | |
3633 | "(sieve_enotify_mailto_owner): %s", enotify_mailto_owner, | |
3634 | expand_string_message); | |
3635 | return FF_ERROR; | |
3636 | } | |
3637 | } | |
3638 | ||
e4a89c47 PH |
3639 | sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress; |
3640 | sieve.subaddress = subaddress; | |
3641 | ||
059ec3d9 PH |
3642 | #ifdef COMPILE_SYNTAX_CHECKER |
3643 | if (parse_start(&sieve,0,generated)==1) | |
3644 | #else | |
3645 | if (parse_start(&sieve,1,generated)==1) | |
3646 | #endif | |
3647 | { | |
3648 | if (sieve.keep) | |
3649 | { | |
3650 | add_addr(generated,US"inbox",1,0,0,0); | |
1c59d63b | 3651 | msg = string_sprintf("Implicit keep"); |
059ec3d9 PH |
3652 | r = FF_DELIVERED; |
3653 | } | |
1c59d63b | 3654 | else |
059ec3d9 | 3655 | { |
1c59d63b | 3656 | msg = string_sprintf("No implicit keep"); |
059ec3d9 PH |
3657 | r = FF_DELIVERED; |
3658 | } | |
3659 | } | |
3660 | else | |
3661 | { | |
3662 | msg = string_sprintf("Sieve error: %s in line %d",sieve.errmsg,sieve.line); | |
3663 | #ifdef COMPILE_SYNTAX_CHECKER | |
3664 | r = FF_ERROR; | |
3665 | *error = msg; | |
3666 | #else | |
3667 | add_addr(generated,US"inbox",1,0,0,0); | |
3668 | r = FF_DELIVERED; | |
3669 | #endif | |
3670 | } | |
3671 | ||
3672 | #ifndef COMPILE_SYNTAX_CHECKER | |
f05da2e8 | 3673 | if (filter_test != FTEST_NONE) printf("%s\n", (const char*) msg); |
059ec3d9 PH |
3674 | else debug_printf("%s\n", msg); |
3675 | #endif | |
3676 | ||
3677 | DEBUG(D_route) debug_printf("Sieve: end of processing\n"); | |
3678 | return r; | |
3679 | } |