103 |
return NULL; |
return NULL; |
104 |
} |
} |
105 |
|
|
106 |
|
static int |
107 |
|
_find_comparator (void *item, void *data) |
108 |
|
{ |
109 |
|
sieve_runtime_tag_t *tag = item; |
110 |
|
|
111 |
|
if (strcmp (tag->tag, "comparator") == 0) |
112 |
|
{ |
113 |
|
*(sieve_comparator_t*)data = tag->arg->v.ptr; |
114 |
|
return 1; |
115 |
|
} |
116 |
|
return 0; |
117 |
|
} |
118 |
|
|
119 |
sieve_comparator_t |
sieve_comparator_t |
120 |
sieve_get_comparator (list_t tags) |
sieve_get_comparator (list_t tags) |
121 |
{ |
{ |
122 |
|
sieve_comparator_t comp = NULL; |
123 |
|
|
124 |
|
list_do (tags, _find_comparator, &comp); |
125 |
|
return comp ? comp : sieve_comparator_lookup ("i;ascii-casemap", |
126 |
|
MU_SIEVE_MATCH_IS); |
127 |
|
} |
128 |
|
|
129 |
|
/* Compile time support */ |
130 |
|
|
131 |
|
struct regex_data { |
132 |
|
int flags; |
133 |
|
list_t list; |
134 |
|
}; |
135 |
|
|
136 |
|
static int |
137 |
|
_regex_compile (void *item, void *data) |
138 |
|
{ |
139 |
|
struct regex_data *rd = data; |
140 |
|
int rc; |
141 |
|
regex_t *preg = sieve_palloc (&sieve_machine->memory_pool, sizeof (*preg)); |
142 |
|
|
143 |
|
rc = regcomp (preg, (char*)item, rd->flags); |
144 |
|
if (rc) |
145 |
|
{ |
146 |
|
size_t size = regerror (rc, preg, NULL, 0); |
147 |
|
char *errbuf = malloc (size + 1); |
148 |
|
if (errbuf) |
149 |
|
{ |
150 |
|
regerror (rc, preg, errbuf, size); |
151 |
|
sieve_compile_error (sieve_filename, sieve_line_num, |
152 |
|
"regex error: %s", errbuf); |
153 |
|
free (errbuf); |
154 |
|
} |
155 |
|
else |
156 |
|
sieve_compile_error (sieve_filename, sieve_line_num, |
157 |
|
"regex error"); |
158 |
|
return rc; |
159 |
|
} |
160 |
|
|
161 |
|
list_append (rd->list, preg); |
162 |
|
|
163 |
|
return 0; |
164 |
|
} |
165 |
|
|
166 |
|
static int |
167 |
|
_free_regex (void *item, void *unused) |
168 |
|
{ |
169 |
|
regfree ((regex_t*)item); |
170 |
|
return 0; |
171 |
|
} |
172 |
|
|
173 |
|
static void |
174 |
|
_free_reglist (void *data) |
175 |
|
{ |
176 |
|
list_t list = data; |
177 |
|
list_do (list, _free_regex, NULL); |
178 |
|
list_destroy (&list); |
179 |
|
} |
180 |
|
|
181 |
|
int |
182 |
|
sieve_match_part_checker (const char *name, list_t tags, list_t args) |
183 |
|
{ |
184 |
iterator_t itr; |
iterator_t itr; |
185 |
char *compname = "i;ascii-casemap"; |
sieve_runtime_tag_t *match = NULL; |
186 |
int matchtype = MU_SIEVE_MATCH_IS; |
sieve_runtime_tag_t *comp = NULL; |
187 |
|
sieve_comparator_t compfun; |
188 |
|
char *compname; |
189 |
|
|
190 |
|
int matchtype; |
191 |
|
int err = 0; |
192 |
|
|
193 |
if (!tags || iterator_create (&itr, tags)) |
if (!tags || iterator_create (&itr, tags)) |
194 |
return NULL; |
return 0; |
195 |
|
|
196 |
for (iterator_first (itr); !iterator_is_done (itr); iterator_next (itr)) |
for (iterator_first (itr); !err && !iterator_is_done (itr); |
197 |
|
iterator_next (itr)) |
198 |
{ |
{ |
199 |
sieve_runtime_tag_t *t; |
sieve_runtime_tag_t *t; |
200 |
iterator_current (itr, (void **)&t); |
iterator_current (itr, (void **)&t); |
201 |
switch (t->tag) |
|
202 |
|
if (strcmp (t->tag, "is") == 0 |
203 |
|
|| strcmp (t->tag, "contains") == 0 |
204 |
|
|| strcmp (t->tag, "matches") == 0 |
205 |
|
|| strcmp (t->tag, "regex") == 0) |
206 |
{ |
{ |
207 |
case TAG_COMPARATOR: |
if (match) |
208 |
compname = t->arg->v.string; |
err = 1; |
209 |
break; |
else |
210 |
|
match = t; |
|
case TAG_IS: |
|
|
matchtype = MU_SIEVE_MATCH_IS; |
|
|
break; |
|
|
|
|
|
case TAG_CONTAINS: |
|
|
matchtype = MU_SIEVE_MATCH_CONTAINS; |
|
|
break; |
|
|
|
|
|
case TAG_MATCHES: |
|
|
matchtype = MU_SIEVE_MATCH_MATCHES; |
|
|
break; |
|
|
|
|
|
case TAG_REGEX: |
|
|
matchtype = MU_SIEVE_MATCH_REGEX; |
|
|
break; |
|
211 |
} |
} |
212 |
|
else if (strcmp (t->tag, "comparator") == 0) |
213 |
|
comp = t; |
214 |
} |
} |
215 |
|
|
216 |
iterator_destroy (&itr); |
iterator_destroy (&itr); |
217 |
return sieve_comparator_lookup (compname, matchtype); |
|
218 |
|
if (err) |
219 |
|
{ |
220 |
|
sieve_compile_error (sieve_filename, sieve_line_num, |
221 |
|
"match type specified twice in call to `%s'", |
222 |
|
name); |
223 |
|
return 1; |
224 |
|
} |
225 |
|
|
226 |
|
if (!match || strcmp (match->tag, "is") == 0) |
227 |
|
matchtype = MU_SIEVE_MATCH_IS; |
228 |
|
else if (strcmp (match->tag, "contains") == 0) |
229 |
|
matchtype = MU_SIEVE_MATCH_CONTAINS; |
230 |
|
else if (strcmp (match->tag, "matches") == 0) |
231 |
|
matchtype = MU_SIEVE_MATCH_MATCHES; |
232 |
|
else if (strcmp (match->tag, "regex") == 0) |
233 |
|
matchtype = MU_SIEVE_MATCH_REGEX; |
234 |
|
|
235 |
|
if (match) |
236 |
|
list_remove (tags, match); |
237 |
|
|
238 |
|
compname = comp ? comp->arg->v.string : "i;ascii-casemap"; |
239 |
|
compfun = sieve_comparator_lookup (compname, matchtype); |
240 |
|
if (!compfun) |
241 |
|
{ |
242 |
|
sieve_compile_error (sieve_filename, sieve_line_num, |
243 |
|
"comparator `%s' is incompatible with match type `%s' in call to `%s'", |
244 |
|
compname, match ? match->tag : "is", name); |
245 |
|
return 1; |
246 |
|
} |
247 |
|
|
248 |
|
if (comp) |
249 |
|
{ |
250 |
|
sieve_pfree (&sieve_machine->memory_pool, comp->arg); |
251 |
|
} |
252 |
|
else |
253 |
|
{ |
254 |
|
comp = sieve_palloc (&sieve_machine->memory_pool, |
255 |
|
sizeof (*comp)); |
256 |
|
comp->tag = "comparator"; |
257 |
|
list_append (tags, comp); |
258 |
|
} |
259 |
|
comp->arg = sieve_value_create (SVT_POINTER, compfun); |
260 |
|
|
261 |
|
if (matchtype == MU_SIEVE_MATCH_REGEX) |
262 |
|
{ |
263 |
|
/* To speed up things, compile all patterns at once. |
264 |
|
Notice that it is supposed that patterns are in arg 2 */ |
265 |
|
sieve_value_t *val, *newval; |
266 |
|
struct regex_data rd; |
267 |
|
int rc; |
268 |
|
|
269 |
|
if (list_get (args, 1, (void**)&val)) |
270 |
|
return 0; |
271 |
|
|
272 |
|
if (strcmp (compname, "i;ascii-casemap") == 0) |
273 |
|
rd.flags = REG_ICASE; |
274 |
|
else |
275 |
|
rd.flags = 0; |
276 |
|
|
277 |
|
list_create (&rd.list); |
278 |
|
|
279 |
|
rc = sieve_vlist_do (val, _regex_compile, &rd); |
280 |
|
|
281 |
|
sieve_machine_add_destructor (sieve_machine, _free_reglist, rd.list); |
282 |
|
|
283 |
|
if (rc) |
284 |
|
return rc; |
285 |
|
newval = sieve_value_create (SVT_STRING_LIST, rd.list); |
286 |
|
list_replace (args, val, newval); |
287 |
|
} |
288 |
|
return 0; |
289 |
} |
} |
290 |
|
|
291 |
/* Particular comparators */ |
/* Particular comparators */ |