vb@1517
|
1 |
// This file is under GNU General Public License 3.0
|
vb@1517
|
2 |
// see LICENSE.txt
|
vb@1517
|
3 |
|
vb@48
|
4 |
#include "etpan_mime.h"
|
vb@62
|
5 |
#ifndef mailmime_param_new_with_data
|
vb@62
|
6 |
#include <libetpan/mailprivacy_tools.h>
|
vb@62
|
7 |
#endif
|
vb@48
|
8 |
|
vb@130
|
9 |
#include "platform.h"
|
vb@130
|
10 |
|
vb@130
|
11 |
#include <string.h>
|
vb@130
|
12 |
#include <stdlib.h>
|
vb@130
|
13 |
#include <assert.h>
|
vb@157
|
14 |
#include <errno.h>
|
vb@89
|
15 |
|
roker@438
|
16 |
#define MAX_MESSAGE_ID 128
|
vb@48
|
17 |
|
vb@116
|
18 |
static char * generate_boundary(void)
|
vb@48
|
19 |
{
|
vb@48
|
20 |
char id[MAX_MESSAGE_ID];
|
vb@90
|
21 |
|
roker@438
|
22 |
// no cryptographically strong random needed here
|
roker@438
|
23 |
const long value1 = random();
|
roker@438
|
24 |
const long value2 = random();
|
roker@438
|
25 |
const long value3 = random();
|
roker@438
|
26 |
const long value4 = random();
|
vb@116
|
27 |
|
vb@116
|
28 |
snprintf(id, MAX_MESSAGE_ID, "%.4lx%.4lx%.4lx%.4lx", value1, value2,
|
vb@116
|
29 |
value3, value4);
|
vb@48
|
30 |
|
vb@48
|
31 |
return strdup(id);
|
vb@48
|
32 |
}
|
vb@48
|
33 |
|
vb@48
|
34 |
struct mailmime * part_new_empty(
|
vb@48
|
35 |
struct mailmime_content * content,
|
vb@48
|
36 |
struct mailmime_fields * mime_fields,
|
vb@48
|
37 |
int force_single
|
vb@48
|
38 |
)
|
vb@48
|
39 |
{
|
krista@2688
|
40 |
struct mailmime * build_info;
|
krista@2688
|
41 |
clist * list = NULL;
|
krista@2688
|
42 |
int r;
|
krista@2688
|
43 |
int mime_type;
|
vb@115
|
44 |
char * attr_name = NULL;
|
vb@115
|
45 |
char * attr_value = NULL;
|
vb@115
|
46 |
struct mailmime_parameter * param = NULL;
|
vb@115
|
47 |
clist * parameters = NULL;
|
vb@116
|
48 |
char *boundary = NULL;
|
vb@48
|
49 |
|
krista@2688
|
50 |
list = NULL;
|
vb@48
|
51 |
|
krista@2688
|
52 |
if (force_single) {
|
krista@2688
|
53 |
mime_type = MAILMIME_SINGLE;
|
krista@2688
|
54 |
}
|
krista@2688
|
55 |
else {
|
krista@2688
|
56 |
switch (content->ct_type->tp_type) {
|
krista@2688
|
57 |
case MAILMIME_TYPE_DISCRETE_TYPE:
|
vb@115
|
58 |
mime_type = MAILMIME_SINGLE;
|
vb@115
|
59 |
break;
|
vb@48
|
60 |
|
krista@2688
|
61 |
case MAILMIME_TYPE_COMPOSITE_TYPE:
|
vb@115
|
62 |
switch (content->ct_type->tp_data.tp_composite_type->ct_type) {
|
vb@115
|
63 |
case MAILMIME_COMPOSITE_TYPE_MULTIPART:
|
vb@115
|
64 |
mime_type = MAILMIME_MULTIPLE;
|
vb@115
|
65 |
break;
|
vb@48
|
66 |
|
vb@115
|
67 |
case MAILMIME_COMPOSITE_TYPE_MESSAGE:
|
vb@115
|
68 |
if (strcasecmp(content->ct_subtype, "rfc822") == 0)
|
vb@115
|
69 |
mime_type = MAILMIME_MESSAGE;
|
vb@115
|
70 |
else
|
vb@115
|
71 |
mime_type = MAILMIME_SINGLE;
|
vb@115
|
72 |
break;
|
vb@48
|
73 |
|
vb@115
|
74 |
default:
|
vb@115
|
75 |
goto enomem;
|
vb@115
|
76 |
}
|
vb@115
|
77 |
break;
|
vb@48
|
78 |
|
krista@2688
|
79 |
default:
|
vb@115
|
80 |
goto enomem;
|
krista@2688
|
81 |
}
|
krista@2688
|
82 |
}
|
vb@48
|
83 |
|
krista@2688
|
84 |
if (mime_type == MAILMIME_MULTIPLE) {
|
krista@2688
|
85 |
list = clist_new();
|
vb@115
|
86 |
assert(list);
|
krista@2688
|
87 |
if (list == NULL)
|
krista@2688
|
88 |
goto enomem;
|
vb@48
|
89 |
|
krista@2688
|
90 |
attr_name = strdup("boundary");
|
vb@115
|
91 |
assert(attr_name);
|
vb@115
|
92 |
if (attr_name == NULL)
|
vb@115
|
93 |
goto enomem;
|
vb@115
|
94 |
|
krista@2688
|
95 |
boundary = generate_boundary();
|
vb@115
|
96 |
assert(boundary);
|
krista@2688
|
97 |
attr_value = boundary;
|
krista@2688
|
98 |
if (attr_value == NULL)
|
krista@2688
|
99 |
goto enomem;
|
vb@48
|
100 |
|
krista@2688
|
101 |
param = mailmime_parameter_new(attr_name, attr_value);
|
vb@115
|
102 |
assert(param);
|
krista@2688
|
103 |
if (param == NULL)
|
krista@2688
|
104 |
goto enomem;
|
vb@115
|
105 |
attr_name = NULL;
|
vb@115
|
106 |
attr_value = NULL;
|
vb@48
|
107 |
|
krista@2688
|
108 |
if (content->ct_parameters == NULL) {
|
krista@2688
|
109 |
parameters = clist_new();
|
vb@115
|
110 |
assert(parameters);
|
krista@2688
|
111 |
if (parameters == NULL)
|
krista@2688
|
112 |
goto enomem;
|
krista@2688
|
113 |
}
|
krista@2688
|
114 |
else {
|
krista@2688
|
115 |
parameters = content->ct_parameters;
|
vb@115
|
116 |
}
|
vb@48
|
117 |
|
krista@2688
|
118 |
r = clist_append(parameters, param);
|
krista@2688
|
119 |
if (r)
|
krista@2688
|
120 |
goto enomem;
|
vb@115
|
121 |
param = NULL;
|
vb@48
|
122 |
|
krista@2688
|
123 |
if (content->ct_parameters == NULL)
|
krista@2688
|
124 |
content->ct_parameters = parameters;
|
krista@2688
|
125 |
}
|
vb@48
|
126 |
|
vb@115
|
127 |
build_info = mailmime_new(mime_type, NULL, 0, mime_fields, content, NULL,
|
vb@115
|
128 |
NULL, NULL, list, NULL, NULL);
|
krista@2688
|
129 |
if (build_info == NULL)
|
krista@2688
|
130 |
goto enomem;
|
vb@48
|
131 |
|
krista@2688
|
132 |
return build_info;
|
vb@48
|
133 |
|
vb@115
|
134 |
enomem:
|
vb@115
|
135 |
if (list)
|
vb@115
|
136 |
clist_free(list);
|
vb@115
|
137 |
free(attr_name);
|
vb@115
|
138 |
free(attr_value);
|
vb@115
|
139 |
if (content->ct_parameters == NULL)
|
vb@115
|
140 |
if (parameters)
|
vb@115
|
141 |
clist_free(parameters);
|
krista@819
|
142 |
if (param)
|
krista@819
|
143 |
mailmime_parameter_free(param);
|
krista@2688
|
144 |
return NULL;
|
vb@48
|
145 |
}
|
vb@48
|
146 |
|
vb@114
|
147 |
struct mailmime * get_pgp_encrypted_part(void)
|
vb@114
|
148 |
{
|
krista@2688
|
149 |
struct mailmime * mime = NULL;
|
krista@2688
|
150 |
struct mailmime_fields * mime_fields = NULL;
|
krista@2688
|
151 |
struct mailmime_content * content = NULL;
|
vb@115
|
152 |
int r;
|
vb@114
|
153 |
|
krista@2688
|
154 |
content = mailmime_content_new_with_str("application/pgp-encrypted");
|
vb@115
|
155 |
if (content == NULL)
|
vb@115
|
156 |
goto enomem;
|
vb@115
|
157 |
|
vb@114
|
158 |
mime_fields = mailmime_fields_new_empty();
|
vb@115
|
159 |
if (mime_fields == NULL)
|
vb@115
|
160 |
goto enomem;
|
vb@115
|
161 |
|
krista@2688
|
162 |
mime = part_new_empty(content, mime_fields, 1);
|
vb@115
|
163 |
if (mime == NULL)
|
vb@115
|
164 |
goto enomem;
|
vb@115
|
165 |
mime_fields = NULL;
|
vb@115
|
166 |
content = NULL;
|
vb@115
|
167 |
|
vb@115
|
168 |
r = mailmime_set_body_text(mime, "Version: 1\n", 10);
|
vb@115
|
169 |
if (r != 0)
|
vb@115
|
170 |
goto enomem;
|
vb@114
|
171 |
|
krista@2688
|
172 |
return mime;
|
vb@115
|
173 |
|
vb@115
|
174 |
enomem:
|
vb@115
|
175 |
if (content)
|
vb@115
|
176 |
mailmime_content_free(content);
|
vb@115
|
177 |
if (mime_fields)
|
vb@115
|
178 |
mailmime_fields_free(mime_fields);
|
vb@115
|
179 |
if (mime)
|
vb@115
|
180 |
mailmime_free(mime);
|
vb@115
|
181 |
|
vb@115
|
182 |
return NULL;
|
vb@114
|
183 |
}
|
vb@114
|
184 |
|
vb@48
|
185 |
struct mailmime * get_text_part(
|
krista@1878
|
186 |
pEp_rid_list_t* resource,
|
vb@48
|
187 |
const char * mime_type,
|
vb@48
|
188 |
const char * text,
|
vb@48
|
189 |
size_t length,
|
vb@48
|
190 |
int encoding_type
|
vb@48
|
191 |
)
|
vb@48
|
192 |
{
|
vb@114
|
193 |
char * disposition_name = NULL;
|
krista@2688
|
194 |
struct mailmime_fields * mime_fields = NULL;
|
krista@2688
|
195 |
struct mailmime * mime = NULL;
|
krista@2688
|
196 |
struct mailmime_content * content = NULL;
|
krista@2688
|
197 |
struct mailmime_parameter * param = NULL;
|
krista@2688
|
198 |
struct mailmime_disposition * disposition = NULL;
|
krista@2688
|
199 |
struct mailmime_mechanism * encoding = NULL;
|
krista@1878
|
200 |
char* content_id = NULL;
|
vb@115
|
201 |
int r;
|
krista@1878
|
202 |
|
krista@1878
|
203 |
if (resource != NULL && resource->rid != NULL) {
|
krista@1878
|
204 |
switch (resource->rid_type) {
|
krista@1878
|
205 |
case PEP_RID_CID:
|
krista@1878
|
206 |
content_id = strdup(resource->rid);
|
krista@1878
|
207 |
break;
|
krista@1878
|
208 |
case PEP_RID_FILENAME:
|
krista@1878
|
209 |
default:
|
krista@1878
|
210 |
disposition_name = strdup(resource->rid);
|
krista@1878
|
211 |
if (disposition_name == NULL)
|
krista@1878
|
212 |
goto enomem;
|
krista@1878
|
213 |
|
krista@1878
|
214 |
disposition =
|
krista@1878
|
215 |
mailmime_disposition_new_with_data(MAILMIME_DISPOSITION_TYPE_INLINE,
|
krista@1878
|
216 |
disposition_name, NULL, NULL, NULL, (size_t) -1);
|
krista@1878
|
217 |
|
krista@1878
|
218 |
if (disposition == NULL)
|
krista@1878
|
219 |
goto enomem;
|
krista@1878
|
220 |
|
krista@1878
|
221 |
disposition_name = NULL;
|
krista@1878
|
222 |
break;
|
krista@1878
|
223 |
}
|
krista@1878
|
224 |
}
|
vb@48
|
225 |
|
vb@115
|
226 |
if (encoding_type) {
|
vb@114
|
227 |
encoding = mailmime_mechanism_new(encoding_type, NULL);
|
vb@115
|
228 |
if (encoding == NULL)
|
vb@115
|
229 |
goto enomem;
|
vb@115
|
230 |
}
|
vb@114
|
231 |
|
krista@1878
|
232 |
mime_fields = mailmime_fields_new_with_data(encoding, content_id, NULL,
|
vb@115
|
233 |
disposition, NULL);
|
vb@115
|
234 |
if (mime_fields == NULL)
|
vb@115
|
235 |
goto enomem;
|
vb@115
|
236 |
encoding = NULL;
|
vb@115
|
237 |
disposition = NULL;
|
krista@1878
|
238 |
content_id = NULL;
|
vb@48
|
239 |
|
krista@2688
|
240 |
content = mailmime_content_new_with_str(mime_type);
|
vb@115
|
241 |
if (content == NULL)
|
vb@115
|
242 |
goto enomem;
|
vb@114
|
243 |
|
vb@114
|
244 |
if (encoding_type != MAILMIME_MECHANISM_7BIT) {
|
vb@114
|
245 |
param = mailmime_param_new_with_data("charset", "utf-8");
|
vb@115
|
246 |
r = clist_append(content->ct_parameters, param);
|
vb@115
|
247 |
if (r != 0)
|
vb@115
|
248 |
goto enomem;
|
vb@114
|
249 |
}
|
vb@114
|
250 |
|
krista@2688
|
251 |
mime = part_new_empty(content, mime_fields, 1);
|
vb@115
|
252 |
if (mime == NULL)
|
vb@115
|
253 |
goto enomem;
|
vb@115
|
254 |
content = NULL;
|
vb@115
|
255 |
mime_fields = NULL;
|
vb@114
|
256 |
|
vb@115
|
257 |
if (text) {
|
vb@115
|
258 |
r = mailmime_set_body_text(mime, (char *) text, length);
|
vb@115
|
259 |
if (r != 0)
|
vb@115
|
260 |
goto enomem;
|
vb@115
|
261 |
}
|
krista@2688
|
262 |
|
krista@2688
|
263 |
return mime;
|
vb@115
|
264 |
|
vb@115
|
265 |
enomem:
|
vb@115
|
266 |
free(disposition_name);
|
vb@115
|
267 |
if (mime_fields)
|
vb@115
|
268 |
mailmime_fields_free(mime_fields);
|
vb@115
|
269 |
if (mime)
|
vb@115
|
270 |
mailmime_free(mime);
|
vb@115
|
271 |
if (content)
|
vb@115
|
272 |
mailmime_content_free(content);
|
vb@115
|
273 |
if (param)
|
vb@115
|
274 |
mailmime_parameter_free(param);
|
vb@115
|
275 |
if (disposition)
|
vb@115
|
276 |
mailmime_disposition_free(disposition);
|
vb@115
|
277 |
if (encoding)
|
vb@115
|
278 |
mailmime_mechanism_free(encoding);
|
vb@115
|
279 |
|
vb@115
|
280 |
return NULL;
|
vb@48
|
281 |
}
|
vb@48
|
282 |
|
vb@59
|
283 |
struct mailmime * get_file_part(
|
krista@1878
|
284 |
pEp_rid_list_t* resource,
|
vb@59
|
285 |
const char * mime_type,
|
vb@59
|
286 |
char * data,
|
krista@2200
|
287 |
size_t length,
|
krista@2200
|
288 |
bool transport_encode
|
vb@59
|
289 |
)
|
vb@59
|
290 |
{
|
vb@115
|
291 |
char * disposition_name = NULL;
|
vb@59
|
292 |
int encoding_type;
|
vb@115
|
293 |
struct mailmime_disposition * disposition = NULL;
|
vb@115
|
294 |
struct mailmime_mechanism * encoding = NULL;
|
vb@115
|
295 |
struct mailmime_content * content = NULL;
|
vb@115
|
296 |
struct mailmime * mime = NULL;
|
vb@115
|
297 |
struct mailmime_fields * mime_fields = NULL;
|
krista@1878
|
298 |
char* content_id = NULL;
|
vb@115
|
299 |
int r;
|
krista@1878
|
300 |
|
krista@1878
|
301 |
if (resource != NULL && resource->rid != NULL) {
|
krista@1878
|
302 |
switch (resource->rid_type) {
|
krista@1878
|
303 |
case PEP_RID_CID:
|
krista@1878
|
304 |
content_id = strdup(resource->rid);
|
krista@2011
|
305 |
disposition =
|
krista@2011
|
306 |
mailmime_disposition_new_with_data(MAILMIME_DISPOSITION_TYPE_INLINE,
|
krista@2011
|
307 |
NULL, NULL, NULL, NULL, (size_t) -1);
|
krista@2011
|
308 |
if (disposition == NULL)
|
krista@2011
|
309 |
goto enomem;
|
krista@1878
|
310 |
break;
|
krista@1878
|
311 |
case PEP_RID_FILENAME:
|
krista@1878
|
312 |
default:
|
krista@1878
|
313 |
disposition_name = strdup(resource->rid);
|
krista@1878
|
314 |
if (disposition_name == NULL)
|
krista@1878
|
315 |
goto enomem;
|
krista@1878
|
316 |
|
krista@1878
|
317 |
disposition =
|
krista@1878
|
318 |
mailmime_disposition_new_with_data(MAILMIME_DISPOSITION_TYPE_ATTACHMENT,
|
krista@1878
|
319 |
disposition_name, NULL, NULL, NULL, (size_t) -1);
|
krista@1878
|
320 |
|
krista@1878
|
321 |
if (disposition == NULL)
|
krista@1878
|
322 |
goto enomem;
|
krista@1878
|
323 |
disposition_name = NULL;
|
krista@1878
|
324 |
|
krista@1878
|
325 |
break;
|
krista@1878
|
326 |
}
|
vb@59
|
327 |
}
|
krista@1878
|
328 |
|
vb@115
|
329 |
|
vb@59
|
330 |
content = mailmime_content_new_with_str(mime_type);
|
vb@115
|
331 |
if (content == NULL)
|
vb@115
|
332 |
goto enomem;
|
vb@59
|
333 |
|
krista@2200
|
334 |
encoding = NULL;
|
krista@2200
|
335 |
|
krista@2200
|
336 |
if (transport_encode) {
|
krista@2200
|
337 |
encoding_type = MAILMIME_MECHANISM_BASE64;
|
krista@2200
|
338 |
encoding = mailmime_mechanism_new(encoding_type, NULL);
|
krista@2200
|
339 |
if (encoding == NULL)
|
krista@2200
|
340 |
goto enomem;
|
krista@2200
|
341 |
}
|
vb@115
|
342 |
|
krista@1878
|
343 |
mime_fields = mailmime_fields_new_with_data(encoding, content_id, NULL,
|
vb@115
|
344 |
disposition, NULL);
|
vb@115
|
345 |
if (mime_fields == NULL)
|
vb@115
|
346 |
goto enomem;
|
vb@115
|
347 |
encoding = NULL;
|
vb@115
|
348 |
disposition = NULL;
|
vb@115
|
349 |
|
vb@116
|
350 |
mime = part_new_empty(content, mime_fields, 1);
|
vb@115
|
351 |
if (mime == NULL)
|
vb@115
|
352 |
goto enomem;
|
vb@115
|
353 |
content = NULL;
|
vb@115
|
354 |
mime_fields = NULL;
|
vb@115
|
355 |
|
Edouard@747
|
356 |
if(length > 0)
|
Edouard@747
|
357 |
{
|
Edouard@747
|
358 |
r = mailmime_set_body_text(mime, data, length);
|
Edouard@747
|
359 |
if (r != 0)
|
Edouard@747
|
360 |
goto enomem;
|
Edouard@747
|
361 |
}
|
vb@59
|
362 |
|
vb@59
|
363 |
return mime;
|
vb@115
|
364 |
|
vb@115
|
365 |
enomem:
|
vb@115
|
366 |
free(disposition_name);
|
vb@115
|
367 |
if (disposition)
|
vb@115
|
368 |
mailmime_disposition_free(disposition);
|
vb@115
|
369 |
if (encoding)
|
vb@115
|
370 |
mailmime_mechanism_free(encoding);
|
vb@115
|
371 |
if (content)
|
vb@115
|
372 |
mailmime_content_free(content);
|
vb@115
|
373 |
if (mime_fields)
|
vb@115
|
374 |
mailmime_fields_free(mime_fields);
|
vb@115
|
375 |
if (mime)
|
vb@115
|
376 |
mailmime_free(mime);
|
krista@1878
|
377 |
|
vb@115
|
378 |
return NULL;
|
vb@59
|
379 |
}
|
vb@59
|
380 |
|
vb@116
|
381 |
struct mailmime * part_multiple_new(const char *type)
|
vb@48
|
382 |
{
|
vb@115
|
383 |
struct mailmime_fields *mime_fields = NULL;
|
vb@115
|
384 |
struct mailmime_content *content = NULL;
|
vb@115
|
385 |
struct mailmime *mp = NULL;
|
vb@48
|
386 |
|
vb@48
|
387 |
mime_fields = mailmime_fields_new_empty();
|
vb@48
|
388 |
if (mime_fields == NULL)
|
vb@115
|
389 |
goto enomem;
|
vb@48
|
390 |
|
vb@48
|
391 |
content = mailmime_content_new_with_str(type);
|
vb@48
|
392 |
if (content == NULL)
|
vb@115
|
393 |
goto enomem;
|
vb@48
|
394 |
|
vb@116
|
395 |
mp = part_new_empty(content, mime_fields, 0);
|
vb@48
|
396 |
if (mp == NULL)
|
vb@115
|
397 |
goto enomem;
|
vb@48
|
398 |
|
vb@48
|
399 |
return mp;
|
vb@48
|
400 |
|
vb@115
|
401 |
enomem:
|
vb@115
|
402 |
if (content)
|
vb@115
|
403 |
mailmime_content_free(content);
|
vb@115
|
404 |
if (mime_fields)
|
vb@115
|
405 |
mailmime_fields_free(mime_fields);
|
vb@115
|
406 |
|
vb@48
|
407 |
return NULL;
|
vb@48
|
408 |
}
|
vb@48
|
409 |
|
vb@89
|
410 |
struct mailimf_field * _new_field(
|
vb@89
|
411 |
int type,
|
vb@89
|
412 |
_new_func_t new_func,
|
vb@89
|
413 |
void *value
|
vb@89
|
414 |
)
|
vb@89
|
415 |
{
|
vb@89
|
416 |
void *data = new_func(value);
|
vb@89
|
417 |
assert(data);
|
vb@89
|
418 |
if (data == NULL)
|
vb@89
|
419 |
return NULL;
|
vb@89
|
420 |
|
vb@89
|
421 |
struct mailimf_field * result = calloc(1, sizeof(struct mailimf_field));
|
vb@89
|
422 |
assert(result);
|
vb@89
|
423 |
if (result == NULL) {
|
vb@89
|
424 |
free(data);
|
vb@89
|
425 |
return NULL;
|
vb@89
|
426 |
}
|
vb@89
|
427 |
|
vb@89
|
428 |
result->fld_type = type;
|
vb@89
|
429 |
result->fld_data.fld_return_path = data;
|
vb@89
|
430 |
|
vb@89
|
431 |
return result;
|
vb@89
|
432 |
}
|
vb@89
|
433 |
|
vb@89
|
434 |
void _free_field(struct mailimf_field *field)
|
vb@89
|
435 |
{
|
vb@89
|
436 |
if (field)
|
vb@89
|
437 |
free(field->fld_data.fld_return_path);
|
vb@89
|
438 |
free(field);
|
vb@89
|
439 |
}
|
vb@89
|
440 |
|
vb@89
|
441 |
int _append_field(
|
vb@89
|
442 |
clist *list,
|
vb@89
|
443 |
int type,
|
vb@89
|
444 |
_new_func_t new_func,
|
vb@89
|
445 |
void *value
|
vb@89
|
446 |
)
|
vb@89
|
447 |
{
|
vb@89
|
448 |
int r;
|
vb@89
|
449 |
struct mailimf_field * field;
|
vb@89
|
450 |
|
vb@89
|
451 |
assert(list);
|
vb@89
|
452 |
assert(new_func);
|
vb@89
|
453 |
assert(value);
|
vb@89
|
454 |
|
vb@89
|
455 |
field = _new_field(type, new_func, value);
|
vb@89
|
456 |
if (field == NULL)
|
vb@89
|
457 |
return -1;
|
vb@89
|
458 |
|
vb@89
|
459 |
r = clist_append(list, field);
|
vb@90
|
460 |
if (r)
|
vb@89
|
461 |
_free_field(field);
|
vb@89
|
462 |
|
vb@89
|
463 |
return r;
|
vb@89
|
464 |
}
|
vb@89
|
465 |
|
vb@92
|
466 |
// http://media2.giga.de/2014/02/Image-28.jpg
|
vb@92
|
467 |
|
vb@89
|
468 |
struct mailimf_date_time * timestamp_to_etpantime(const struct tm *ts)
|
vb@89
|
469 |
{
|
vb@89
|
470 |
struct mailimf_date_time * result = calloc(1,
|
vb@89
|
471 |
sizeof(struct mailimf_date_time));
|
vb@89
|
472 |
assert(result);
|
vb@89
|
473 |
if (result == NULL)
|
vb@89
|
474 |
return NULL;
|
vb@89
|
475 |
|
vb@89
|
476 |
assert(ts);
|
vb@89
|
477 |
|
vb@89
|
478 |
result->dt_sec = ts->tm_sec;
|
vb@89
|
479 |
result->dt_min = ts->tm_min;
|
vb@89
|
480 |
result->dt_hour = ts->tm_hour;
|
vb@89
|
481 |
result->dt_day = ts->tm_mday;
|
vb@89
|
482 |
result->dt_month = ts->tm_mon + 1;
|
vb@89
|
483 |
result->dt_year = ts->tm_year + 1900;
|
vb@130
|
484 |
#ifndef WIN32
|
vb@89
|
485 |
result->dt_zone = (int) (ts->tm_gmtoff / 36L);
|
vb@130
|
486 |
#endif
|
vb@89
|
487 |
return result;
|
vb@89
|
488 |
}
|
vb@89
|
489 |
|
vb@89
|
490 |
struct tm * etpantime_to_timestamp(const struct mailimf_date_time *et)
|
vb@89
|
491 |
{
|
vb@89
|
492 |
struct tm * result = calloc(1, sizeof(struct tm));
|
vb@89
|
493 |
assert(result);
|
vb@89
|
494 |
if (result == NULL)
|
vb@89
|
495 |
return NULL;
|
vb@89
|
496 |
|
vb@89
|
497 |
assert(et);
|
vb@89
|
498 |
|
vb@89
|
499 |
result->tm_sec = et->dt_sec;
|
vb@89
|
500 |
result->tm_min = et->dt_min;
|
vb@89
|
501 |
result->tm_hour = et->dt_hour;
|
vb@89
|
502 |
result->tm_mday = et->dt_day;
|
vb@89
|
503 |
result->tm_mon = et->dt_month - 1;
|
vb@89
|
504 |
result->tm_year = et->dt_year - 1900;
|
vb@130
|
505 |
#ifndef WIN32
|
vb@89
|
506 |
result->tm_gmtoff = 36L * (long) et->dt_zone;
|
vb@130
|
507 |
#endif
|
vb@89
|
508 |
return result;
|
vb@89
|
509 |
}
|
vb@89
|
510 |
|
vb@90
|
511 |
struct mailimf_mailbox * mailbox_from_string(
|
vb@90
|
512 |
const char *name,
|
vb@90
|
513 |
const char *address
|
vb@90
|
514 |
)
|
vb@90
|
515 |
{
|
vb@90
|
516 |
struct mailimf_mailbox *mb = NULL;
|
vb@90
|
517 |
char *_name = NULL;
|
vb@90
|
518 |
char *_address = NULL;
|
vb@90
|
519 |
|
vb@90
|
520 |
assert(address);
|
vb@90
|
521 |
|
vb@90
|
522 |
_name = name ? strdup(name) : strdup("");
|
vb@90
|
523 |
if (_name == NULL)
|
vb@90
|
524 |
goto enomem;
|
vb@90
|
525 |
|
vb@90
|
526 |
_address = strdup(address);
|
vb@90
|
527 |
if (_address == NULL)
|
vb@90
|
528 |
goto enomem;
|
vb@90
|
529 |
|
vb@90
|
530 |
mb = mailimf_mailbox_new(_name, _address);
|
vb@90
|
531 |
assert(mb);
|
vb@90
|
532 |
if (mb == NULL)
|
vb@90
|
533 |
goto enomem;
|
vb@90
|
534 |
|
vb@90
|
535 |
return mb;
|
vb@90
|
536 |
|
vb@90
|
537 |
enomem:
|
vb@90
|
538 |
free(_name);
|
vb@90
|
539 |
free(_address);
|
vb@90
|
540 |
|
vb@90
|
541 |
return NULL;
|
vb@90
|
542 |
}
|
vb@90
|
543 |
|
krista@2562
|
544 |
|
vb@94
|
545 |
struct mailimf_field * create_optional_field(
|
vb@94
|
546 |
const char *field,
|
vb@94
|
547 |
const char *value
|
vb@94
|
548 |
)
|
vb@94
|
549 |
{
|
vb@94
|
550 |
char *_field = NULL;
|
vb@94
|
551 |
char *_value = NULL;
|
vb@94
|
552 |
struct mailimf_optional_field *optional_field = NULL;
|
vb@94
|
553 |
|
vb@94
|
554 |
_field = strdup(field);
|
vb@94
|
555 |
if (_field == NULL)
|
vb@94
|
556 |
goto enomem;
|
vb@94
|
557 |
|
krista@2562
|
558 |
if (!must_field_value_be_encoded(value))
|
krista@2562
|
559 |
_value = strdup(value);
|
krista@2562
|
560 |
else
|
krista@2562
|
561 |
_value = mailmime_encode_subject_header("utf-8", value, 0);
|
vb@94
|
562 |
if (_value == NULL)
|
vb@94
|
563 |
goto enomem;
|
vb@94
|
564 |
|
vb@94
|
565 |
optional_field = mailimf_optional_field_new(_field, _value);
|
vb@94
|
566 |
if (optional_field == NULL)
|
vb@94
|
567 |
goto enomem;
|
vb@94
|
568 |
|
vb@94
|
569 |
struct mailimf_field * result = calloc(1, sizeof(struct mailimf_field));
|
vb@94
|
570 |
assert(result);
|
vb@94
|
571 |
if (result == NULL)
|
vb@94
|
572 |
goto enomem;
|
vb@94
|
573 |
|
vb@94
|
574 |
result->fld_type = MAILIMF_FIELD_OPTIONAL_FIELD;
|
vb@94
|
575 |
result->fld_data.fld_optional_field = optional_field;
|
vb@94
|
576 |
|
vb@94
|
577 |
return result;
|
vb@94
|
578 |
|
vb@94
|
579 |
enomem:
|
vb@94
|
580 |
if (optional_field) {
|
vb@94
|
581 |
mailimf_optional_field_free(optional_field);
|
vb@94
|
582 |
}
|
vb@94
|
583 |
else {
|
vb@94
|
584 |
free(_field);
|
vb@94
|
585 |
free(_value);
|
vb@94
|
586 |
}
|
vb@94
|
587 |
|
vb@94
|
588 |
return NULL;
|
vb@94
|
589 |
}
|
vb@94
|
590 |
|
vb@94
|
591 |
int _append_optional_field(
|
vb@94
|
592 |
clist *list,
|
vb@94
|
593 |
const char *field,
|
vb@94
|
594 |
const char *value
|
vb@94
|
595 |
)
|
vb@94
|
596 |
{
|
vb@94
|
597 |
int r;
|
vb@94
|
598 |
struct mailimf_field * optional_field =
|
vb@94
|
599 |
create_optional_field(field, value);
|
vb@94
|
600 |
|
vb@94
|
601 |
if (optional_field == NULL)
|
vb@94
|
602 |
return -1;
|
vb@94
|
603 |
|
vb@94
|
604 |
r = clist_append(list, optional_field);
|
vb@94
|
605 |
if (r)
|
vb@94
|
606 |
mailimf_field_free(optional_field);
|
vb@94
|
607 |
|
vb@94
|
608 |
return r;
|
vb@94
|
609 |
}
|
vb@94
|
610 |
|
vb@147
|
611 |
clist * _get_fields(struct mailmime * mime)
|
vb@147
|
612 |
{
|
vb@147
|
613 |
clist * _fieldlist = NULL;
|
vb@147
|
614 |
|
vb@147
|
615 |
assert(mime);
|
vb@147
|
616 |
|
vb@147
|
617 |
if (mime->mm_data.mm_message.mm_fields &&
|
vb@147
|
618 |
mime->mm_data.mm_message.mm_fields->fld_list) {
|
vb@147
|
619 |
_fieldlist = mime->mm_data.mm_message.mm_fields->fld_list;
|
vb@147
|
620 |
}
|
vb@147
|
621 |
|
vb@147
|
622 |
return _fieldlist;
|
vb@147
|
623 |
}
|
vb@147
|
624 |
|
vb@147
|
625 |
struct mailmime_content * _get_content(struct mailmime * mime)
|
vb@147
|
626 |
{
|
vb@147
|
627 |
struct mailmime_content * content = NULL;
|
vb@147
|
628 |
|
vb@147
|
629 |
assert(mime);
|
vb@147
|
630 |
|
vb@147
|
631 |
if (mime->mm_data.mm_message.mm_msg_mime)
|
vb@147
|
632 |
content = mime->mm_data.mm_message.mm_msg_mime->mm_content_type;
|
vb@147
|
633 |
|
vb@147
|
634 |
return content;
|
vb@147
|
635 |
}
|
vb@147
|
636 |
|
krista@1872
|
637 |
|
krista@1873
|
638 |
/* Return a list of identifier_type and resource id (filename, cid, etc) */
|
krista@1873
|
639 |
pEp_rid_list_t* _get_resource_id_list(struct mailmime *mime)
|
krista@1873
|
640 |
{
|
krista@1873
|
641 |
clist * _fieldlist = NULL;
|
krista@1872
|
642 |
|
krista@1873
|
643 |
assert(mime);
|
krista@1873
|
644 |
|
krista@1873
|
645 |
if (mime->mm_mime_fields && mime->mm_mime_fields->fld_list)
|
krista@1873
|
646 |
_fieldlist = mime->mm_mime_fields->fld_list;
|
krista@1873
|
647 |
else
|
krista@1873
|
648 |
return NULL;
|
krista@1873
|
649 |
|
krista@1873
|
650 |
clistiter *cur;
|
krista@1873
|
651 |
|
krista@1873
|
652 |
pEp_rid_list_t* rid_list = NULL;
|
krista@1873
|
653 |
pEp_rid_list_t** rid_list_curr_p = &rid_list;
|
krista@1873
|
654 |
|
krista@1873
|
655 |
for (cur = clist_begin(_fieldlist); cur; cur = clist_next(cur)) {
|
krista@1873
|
656 |
struct mailmime_field * _field = clist_content(cur);
|
krista@1873
|
657 |
/* content_id */
|
krista@1873
|
658 |
if (_field && _field->fld_type == MAILMIME_FIELD_ID) {
|
krista@1900
|
659 |
pEp_rid_list_t* new_rid = (pEp_rid_list_t*)calloc(1, sizeof(pEp_rid_list_t));
|
krista@1873
|
660 |
new_rid->rid_type = PEP_RID_CID;
|
krista@1900
|
661 |
new_rid->rid = strdup(_field->fld_data.fld_id);
|
krista@1873
|
662 |
*rid_list_curr_p = new_rid;
|
krista@1873
|
663 |
rid_list_curr_p = &new_rid->next;
|
krista@1873
|
664 |
}
|
krista@1873
|
665 |
else if (_field && _field->fld_type == MAILMIME_FIELD_DISPOSITION) {
|
krista@1873
|
666 |
/* filename */
|
krista@1873
|
667 |
if (_field->fld_data.fld_disposition &&
|
krista@1873
|
668 |
_field->fld_data.fld_disposition->dsp_parms) {
|
krista@1873
|
669 |
clist * _parmlist =
|
krista@1873
|
670 |
_field->fld_data.fld_disposition->dsp_parms;
|
krista@1873
|
671 |
clistiter *cur2;
|
krista@1873
|
672 |
for (cur2 = clist_begin(_parmlist); cur2; cur2 =
|
krista@1873
|
673 |
clist_next(cur2)) {
|
krista@1873
|
674 |
struct mailmime_disposition_parm * param =
|
krista@1873
|
675 |
clist_content(cur2);
|
krista@1873
|
676 |
if (param->pa_type == MAILMIME_DISPOSITION_PARM_FILENAME) {
|
krista@1900
|
677 |
pEp_rid_list_t* new_rid = (pEp_rid_list_t*)calloc(1, sizeof(pEp_rid_list_t));
|
krista@1873
|
678 |
new_rid->rid_type = PEP_RID_FILENAME;
|
krista@1900
|
679 |
new_rid->rid = strdup(param->pa_data.pa_filename);
|
krista@1873
|
680 |
*rid_list_curr_p = new_rid;
|
krista@1873
|
681 |
rid_list_curr_p = &new_rid->next;
|
krista@1873
|
682 |
}
|
krista@1873
|
683 |
}
|
krista@1873
|
684 |
}
|
krista@1873
|
685 |
}
|
krista@1873
|
686 |
}
|
krista@1873
|
687 |
/* Will almost certainly usually be a singleton, but we need to be able to decide */
|
krista@1873
|
688 |
return rid_list;
|
krista@1873
|
689 |
}
|
krista@1873
|
690 |
|
krista@1873
|
691 |
|
krista@1873
|
692 |
/* FIXME: about to be obsoleted? */
|
krista@1872
|
693 |
char * _get_filename_or_cid(struct mailmime *mime)
|
vb@154
|
694 |
{
|
vb@154
|
695 |
clist * _fieldlist = NULL;
|
vb@154
|
696 |
|
vb@154
|
697 |
assert(mime);
|
vb@154
|
698 |
|
vb@154
|
699 |
if (mime->mm_mime_fields && mime->mm_mime_fields->fld_list)
|
vb@154
|
700 |
_fieldlist = mime->mm_mime_fields->fld_list;
|
vb@154
|
701 |
else
|
vb@154
|
702 |
return NULL;
|
vb@154
|
703 |
|
vb@154
|
704 |
clistiter *cur;
|
krista@1873
|
705 |
|
krista@1873
|
706 |
char* _temp_filename_ptr = NULL;
|
krista@1873
|
707 |
|
vb@154
|
708 |
for (cur = clist_begin(_fieldlist); cur; cur = clist_next(cur)) {
|
vb@154
|
709 |
struct mailmime_field * _field = clist_content(cur);
|
krista@1873
|
710 |
if (_field && _field->fld_type == MAILMIME_FIELD_ID) {
|
krista@1873
|
711 |
/* We prefer CIDs to filenames when both are present */
|
krista@1873
|
712 |
free(_temp_filename_ptr); /* can be null, it's ok */
|
krista@1881
|
713 |
return build_uri("cid", _field->fld_data.fld_id);
|
krista@1873
|
714 |
}
|
krista@1873
|
715 |
else if (_field && _field->fld_type == MAILMIME_FIELD_DISPOSITION) {
|
vb@154
|
716 |
if (_field->fld_data.fld_disposition &&
|
krista@1873
|
717 |
_field->fld_data.fld_disposition->dsp_parms &&
|
krista@1873
|
718 |
!_temp_filename_ptr) {
|
vb@154
|
719 |
clist * _parmlist =
|
vb@154
|
720 |
_field->fld_data.fld_disposition->dsp_parms;
|
vb@154
|
721 |
clistiter *cur2;
|
vb@154
|
722 |
for (cur2 = clist_begin(_parmlist); cur2; cur2 =
|
vb@154
|
723 |
clist_next(cur2)) {
|
vb@156
|
724 |
struct mailmime_disposition_parm * param =
|
vb@156
|
725 |
clist_content(cur2);
|
krista@1873
|
726 |
if (param->pa_type == MAILMIME_DISPOSITION_PARM_FILENAME) {
|
krista@1881
|
727 |
_temp_filename_ptr = build_uri("file", param->pa_data.pa_filename);
|
krista@1873
|
728 |
break;
|
krista@1873
|
729 |
}
|
vb@154
|
730 |
}
|
vb@154
|
731 |
}
|
vb@154
|
732 |
}
|
vb@154
|
733 |
}
|
krista@1873
|
734 |
/* Ok, it wasn't a CID */
|
krista@1873
|
735 |
return _temp_filename_ptr;
|
vb@154
|
736 |
}
|
vb@154
|
737 |
|
vb@157
|
738 |
static bool parameter_has_value(
|
vb@152
|
739 |
struct mailmime_content *content,
|
vb@152
|
740 |
const char *name,
|
vb@152
|
741 |
const char *value
|
vb@152
|
742 |
)
|
vb@152
|
743 |
{
|
vb@152
|
744 |
clistiter *cur;
|
vb@152
|
745 |
|
vb@152
|
746 |
assert(name);
|
vb@152
|
747 |
assert(value);
|
vb@152
|
748 |
|
vb@152
|
749 |
clist * list = content->ct_parameters;
|
vb@152
|
750 |
if (list == NULL)
|
vb@152
|
751 |
return false;
|
vb@152
|
752 |
|
vb@152
|
753 |
for (cur = clist_begin(list); cur != NULL ; cur = clist_next(cur)) {
|
vb@152
|
754 |
struct mailmime_parameter * param = clist_content(cur);
|
vb@152
|
755 |
if (param &&
|
vb@165
|
756 |
param->pa_name && strcasecmp(name, param->pa_name) == 0 &&
|
vb@165
|
757 |
param->pa_value && strcasecmp(value, param->pa_value) == 0)
|
vb@152
|
758 |
return true;
|
vb@152
|
759 |
}
|
vb@152
|
760 |
|
vb@152
|
761 |
return false;
|
vb@152
|
762 |
}
|
vb@152
|
763 |
|
vb@151
|
764 |
bool _is_multipart(struct mailmime_content *content, const char *subtype)
|
vb@147
|
765 |
{
|
vb@147
|
766 |
assert(content);
|
vb@147
|
767 |
|
vb@147
|
768 |
if (content->ct_type && content->ct_type->tp_type ==
|
vb@147
|
769 |
MAILMIME_TYPE_COMPOSITE_TYPE &&
|
vb@147
|
770 |
content->ct_type->tp_data.tp_composite_type &&
|
vb@147
|
771 |
content->ct_type->tp_data.tp_composite_type->ct_type ==
|
vb@151
|
772 |
MAILMIME_COMPOSITE_TYPE_MULTIPART) {
|
vb@151
|
773 |
if (subtype)
|
vb@151
|
774 |
return content->ct_subtype &&
|
vb@165
|
775 |
strcasecmp(content->ct_subtype, subtype) == 0;
|
vb@151
|
776 |
else
|
vb@151
|
777 |
return true;
|
vb@151
|
778 |
}
|
vb@147
|
779 |
|
vb@151
|
780 |
return false;
|
vb@147
|
781 |
}
|
vb@147
|
782 |
|
vb@147
|
783 |
bool _is_PGP_MIME(struct mailmime_content *content)
|
vb@147
|
784 |
{
|
vb@147
|
785 |
assert(content);
|
vb@147
|
786 |
|
vb@151
|
787 |
if (_is_multipart(content, "encrypted") &&
|
vb@152
|
788 |
parameter_has_value(content, "protocol",
|
vb@147
|
789 |
"application/pgp-encrypted"))
|
vb@151
|
790 |
return true;
|
vb@147
|
791 |
|
vb@151
|
792 |
return false;
|
vb@147
|
793 |
}
|
vb@147
|
794 |
|
vb@152
|
795 |
bool _is_text_part(struct mailmime_content *content, const char *subtype)
|
vb@152
|
796 |
{
|
vb@152
|
797 |
assert(content);
|
vb@152
|
798 |
|
vb@153
|
799 |
if (content->ct_type && content->ct_type->tp_type ==
|
vb@153
|
800 |
MAILMIME_TYPE_DISCRETE_TYPE &&
|
vb@153
|
801 |
content->ct_type->tp_data.tp_discrete_type &&
|
vb@152
|
802 |
content->ct_type->tp_data.tp_discrete_type->dt_type ==
|
vb@152
|
803 |
MAILMIME_DISCRETE_TYPE_TEXT) {
|
vb@152
|
804 |
if (subtype)
|
vb@152
|
805 |
return content->ct_subtype &&
|
vb@165
|
806 |
strcasecmp(content->ct_subtype, subtype) == 0;
|
vb@152
|
807 |
else
|
vb@152
|
808 |
return true;
|
vb@152
|
809 |
}
|
vb@152
|
810 |
|
vb@152
|
811 |
return false;
|
vb@152
|
812 |
}
|
vb@152
|
813 |
|
vb@159
|
814 |
int _get_content_type(
|
vb@159
|
815 |
const struct mailmime_content *content,
|
vb@159
|
816 |
char **type,
|
vb@159
|
817 |
char **charset
|
vb@159
|
818 |
)
|
vb@154
|
819 |
{
|
vb@159
|
820 |
char *_type = NULL;
|
vb@159
|
821 |
char *_charset = NULL;
|
vb@154
|
822 |
|
vb@154
|
823 |
assert(content);
|
vb@159
|
824 |
assert(type);
|
vb@159
|
825 |
assert(charset);
|
vb@154
|
826 |
|
vb@159
|
827 |
*type = NULL;
|
vb@159
|
828 |
*charset = NULL;
|
vb@159
|
829 |
|
vb@159
|
830 |
if (content->ct_subtype == NULL)
|
vb@159
|
831 |
return EINVAL;
|
vb@154
|
832 |
|
vb@154
|
833 |
if (content->ct_type && content->ct_type->tp_data.tp_discrete_type) {
|
vb@154
|
834 |
size_t len;
|
vb@159
|
835 |
const char *_main_type;
|
vb@154
|
836 |
|
vb@154
|
837 |
switch (content->ct_type->tp_data.tp_discrete_type->dt_type) {
|
vb@154
|
838 |
case MAILMIME_DISCRETE_TYPE_TEXT:
|
vb@159
|
839 |
_main_type = "text";
|
vb@154
|
840 |
break;
|
vb@154
|
841 |
case MAILMIME_DISCRETE_TYPE_IMAGE:
|
vb@159
|
842 |
_main_type = "image";
|
vb@154
|
843 |
break;
|
vb@154
|
844 |
case MAILMIME_DISCRETE_TYPE_AUDIO:
|
vb@159
|
845 |
_main_type = "audio";
|
vb@154
|
846 |
break;
|
vb@154
|
847 |
case MAILMIME_DISCRETE_TYPE_VIDEO:
|
vb@159
|
848 |
_main_type = "video";
|
vb@154
|
849 |
break;
|
vb@154
|
850 |
case MAILMIME_DISCRETE_TYPE_APPLICATION:
|
vb@159
|
851 |
_main_type = "application";
|
vb@154
|
852 |
break;
|
vb@154
|
853 |
case MAILMIME_DISCRETE_TYPE_EXTENSION:
|
vb@159
|
854 |
_main_type = "extension";
|
vb@154
|
855 |
break;
|
vb@154
|
856 |
default:
|
vb@159
|
857 |
return EINVAL;
|
vb@157
|
858 |
}
|
vb@154
|
859 |
|
vb@159
|
860 |
len = strlen(_main_type) + 1 + strlen(content->ct_subtype) + 1;
|
vb@159
|
861 |
_type = calloc(1, len);
|
vb@159
|
862 |
assert(_type);
|
vb@159
|
863 |
if (_type == NULL)
|
vb@159
|
864 |
return ENOMEM;
|
vb@159
|
865 |
|
krista@903
|
866 |
strncpy(_type, _main_type, len);
|
krista@903
|
867 |
len -= strlen(_main_type);
|
krista@903
|
868 |
strncat(_type, "/", len--);
|
krista@903
|
869 |
strncat(_type, content->ct_subtype, len);
|
vb@154
|
870 |
|
vb@159
|
871 |
if (content->ct_parameters) {
|
vb@159
|
872 |
clistiter *cur;
|
vb@159
|
873 |
for (cur = clist_begin(content->ct_parameters); cur; cur =
|
vb@159
|
874 |
clist_next(cur)) {
|
vb@159
|
875 |
struct mailmime_parameter * param = clist_content(cur);
|
vb@165
|
876 |
if (param && param->pa_name && strcasecmp(param->pa_name,
|
vb@159
|
877 |
"charset") == 0) {
|
vb@159
|
878 |
_charset = param->pa_value;
|
vb@159
|
879 |
break;
|
vb@159
|
880 |
}
|
vb@159
|
881 |
}
|
vb@159
|
882 |
if (_charset)
|
vb@159
|
883 |
*charset = strdup(_charset);
|
vb@159
|
884 |
}
|
vb@159
|
885 |
|
vb@159
|
886 |
*type = _type;
|
vb@159
|
887 |
return 0;
|
vb@154
|
888 |
}
|
vb@154
|
889 |
|
vb@159
|
890 |
return EINVAL;
|
vb@154
|
891 |
}
|
krista@2562
|
892 |
|
krista@2562
|
893 |
// Only for null-terminated field strings.
|
krista@2562
|
894 |
// can this field be transported as is without modification?)
|
krista@2562
|
895 |
// (See rfc2822, section 2.2.3 - libetpan's handling isn't quite what
|
krista@2562
|
896 |
// we need here.)
|
krista@2562
|
897 |
bool must_field_value_be_encoded(const char* field_value) {
|
krista@2579
|
898 |
if (!field_value)
|
krista@2579
|
899 |
return false;
|
krista@2579
|
900 |
|
krista@2581
|
901 |
return must_chunk_be_encoded((const void*)field_value, strlen(field_value), false);
|
krista@2579
|
902 |
}
|
krista@2562
|
903 |
|
krista@2581
|
904 |
bool must_chunk_be_encoded(const void* value, size_t size, bool ignore_fws) {
|
krista@2579
|
905 |
|
krista@2579
|
906 |
const char* begin_ptr = (const char*)value;
|
krista@2579
|
907 |
|
krista@2579
|
908 |
const char* end_ptr = begin_ptr + size;
|
krista@2579
|
909 |
|
krista@2579
|
910 |
const char* cur_char_ptr = begin_ptr;
|
krista@2562
|
911 |
while (cur_char_ptr < end_ptr) {
|
krista@2562
|
912 |
char cur_char = *cur_char_ptr;
|
krista@2563
|
913 |
if (cur_char > 127 || cur_char < 0)
|
krista@2562
|
914 |
return true;
|
krista@2562
|
915 |
// FIXME - do we need to deal with CRCRLF here?
|
krista@2562
|
916 |
// I guess in the worst case, it gets encoded, which
|
krista@2562
|
917 |
// is *supposed* to be harmless...
|
krista@2581
|
918 |
if (!ignore_fws) {
|
krista@2581
|
919 |
if (cur_char == '\r') {
|
krista@2581
|
920 |
const char* next = cur_char_ptr + 1;
|
krista@2581
|
921 |
const char* nextnext = next + 1;
|
krista@2581
|
922 |
if (next >= end_ptr || nextnext >= end_ptr
|
krista@2581
|
923 |
|| *next != '\n'
|
krista@2581
|
924 |
|| (*nextnext != ' ' && *nextnext != '\t')) {
|
krista@2581
|
925 |
return true;
|
krista@2581
|
926 |
}
|
krista@2581
|
927 |
}
|
krista@2581
|
928 |
else if (cur_char == '\n') {
|
krista@2581
|
929 |
const char* prev = cur_char_ptr - 1;
|
krista@2581
|
930 |
if (prev == begin_ptr || *prev != '\r')
|
krista@2581
|
931 |
return true;
|
krista@2581
|
932 |
}
|
krista@2562
|
933 |
}
|
krista@2562
|
934 |
cur_char_ptr++;
|
krista@2562
|
935 |
}
|
krista@2562
|
936 |
return false;
|
krista@2562
|
937 |
}
|