1 /*
2  * LibSylph -- E-Mail client library
3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18  */
19 
20 #include "defs.h"
21 
22 #include <glib.h>
23 #include <glib/gi18n.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <errno.h>
27 
28 #include "utils.h"
29 #include "procmsg.h"
30 #include "procheader.h"
31 #include "account.h"
32 #include "procmime.h"
33 #include "prefs_common.h"
34 #include "folder.h"
35 #include "codeconv.h"
36 
37 typedef struct _MsgFlagInfo {
38 	guint msgnum;
39 	MsgFlags flags;
40 } MsgFlagInfo;
41 
42 static GSList *procmsg_read_cache_queue		(FolderItem	*item,
43 						 gboolean	 scan_file);
44 
45 static void mark_sum_func			(gpointer	 key,
46 						 gpointer	 value,
47 						 gpointer	 data);
48 
49 static GHashTable *procmsg_read_mark_file	(FolderItem	*item);
50 static void procmsg_write_mark_file		(FolderItem	*item,
51 						 GHashTable	*mark_table);
52 
53 static GMappedFile *procmsg_open_cache_file_mmap(FolderItem	*item,
54 						 DataOpenMode	 mode);
55 
56 static gint procmsg_cmp_by_mark			(gconstpointer	 a,
57 						 gconstpointer	 b);
58 static gint procmsg_cmp_by_unread		(gconstpointer	 a,
59 						 gconstpointer	 b);
60 static gint procmsg_cmp_by_mime			(gconstpointer	 a,
61 						 gconstpointer	 b);
62 static gint procmsg_cmp_by_label		(gconstpointer	 a,
63 						 gconstpointer	 b);
64 static gint procmsg_cmp_by_number		(gconstpointer	 a,
65 						 gconstpointer	 b);
66 static gint procmsg_cmp_by_size			(gconstpointer	 a,
67 						 gconstpointer	 b);
68 static gint procmsg_cmp_by_date			(gconstpointer	 a,
69 						 gconstpointer	 b);
70 static gint procmsg_cmp_by_from			(gconstpointer	 a,
71 						 gconstpointer	 b);
72 static gint procmsg_cmp_by_to			(gconstpointer	 a,
73 						 gconstpointer	 b);
74 static gint procmsg_cmp_by_subject		(gconstpointer	 a,
75 						 gconstpointer	 b);
76 
77 
procmsg_msg_hash_table_create(GSList * mlist)78 GHashTable *procmsg_msg_hash_table_create(GSList *mlist)
79 {
80 	GHashTable *msg_table;
81 
82 	if (mlist == NULL) return NULL;
83 
84 	msg_table = g_hash_table_new(NULL, g_direct_equal);
85 	procmsg_msg_hash_table_append(msg_table, mlist);
86 
87 	return msg_table;
88 }
89 
procmsg_msg_hash_table_append(GHashTable * msg_table,GSList * mlist)90 void procmsg_msg_hash_table_append(GHashTable *msg_table, GSList *mlist)
91 {
92 	GSList *cur;
93 	MsgInfo *msginfo;
94 
95 	if (msg_table == NULL || mlist == NULL) return;
96 
97 	for (cur = mlist; cur != NULL; cur = cur->next) {
98 		msginfo = (MsgInfo *)cur->data;
99 
100 		g_hash_table_insert(msg_table,
101 				    GUINT_TO_POINTER(msginfo->msgnum),
102 				    msginfo);
103 	}
104 }
105 
procmsg_to_folder_hash_table_create(GSList * mlist)106 GHashTable *procmsg_to_folder_hash_table_create(GSList *mlist)
107 {
108 	GHashTable *msg_table;
109 	GSList *cur;
110 	MsgInfo *msginfo;
111 
112 	if (mlist == NULL) return NULL;
113 
114 	msg_table = g_hash_table_new(NULL, g_direct_equal);
115 
116 	for (cur = mlist; cur != NULL; cur = cur->next) {
117 		msginfo = (MsgInfo *)cur->data;
118 		g_hash_table_insert(msg_table, msginfo->to_folder, msginfo);
119 	}
120 
121 	return msg_table;
122 }
123 
procmsg_read_cache_data_str(FILE * fp,gchar ** str)124 gint procmsg_read_cache_data_str(FILE *fp, gchar **str)
125 {
126 	gchar buf[BUFFSIZE];
127 	guint32 len;
128 	gchar *tmp = NULL;
129 
130 	if (fread(&len, sizeof(len), 1, fp) != 1)
131 		return -1;
132 
133 	if (len > G_MAXINT)
134 		return -1;
135 
136 	while (len > 0) {
137 		size_t size = MIN(len, BUFFSIZE - 1);
138 
139 		if (fread(buf, size, 1, fp) != 1) {
140 			if (tmp)
141 				g_free(tmp);
142 			*str = NULL;
143 			return -1;
144 		}
145 
146 		buf[size] = '\0';
147 		if (tmp) {
148 			*str = g_strconcat(tmp, buf, NULL);
149 			g_free(tmp);
150 			tmp = *str;
151 		} else
152 			tmp = *str = g_strdup(buf);
153 
154 		len -= size;
155 	}
156 
157 	return 0;
158 }
159 
procmsg_read_cache_data_str_mem(const gchar ** p,const gchar * endp,gchar ** str)160 static gint procmsg_read_cache_data_str_mem(const gchar **p, const gchar *endp, gchar **str)
161 {
162 	guint32 len;
163 
164 	if (endp - *p < sizeof(len))
165 		return -1;
166 
167 	memcpy(&len, *p, sizeof(len));
168 	*p += sizeof(len);
169 	if (len > G_MAXINT || len > endp - *p)
170 		return -1;
171 
172 	if (len > 0) {
173 		*str = g_strndup(*p, len);
174 		*p += len;
175 	}
176 
177 	return 0;
178 }
179 
180 #define READ_CACHE_DATA(data)						\
181 {									\
182 	if (procmsg_read_cache_data_str_mem(&p, endp, &data) < 0) {	\
183 		g_warning("Cache data is corrupted\n");			\
184 		procmsg_msginfo_free(msginfo);				\
185 		procmsg_msg_list_free(mlist);				\
186 		g_mapped_file_free(mapfile);				\
187 		return NULL;						\
188 	}								\
189 }
190 
191 #define READ_CACHE_DATA_INT(n)					\
192 {								\
193 	if (endp - p < sizeof(guint32)) {			\
194 		g_warning("Cache data is corrupted\n");		\
195 		procmsg_msginfo_free(msginfo);			\
196 		procmsg_msg_list_free(mlist);			\
197 		g_mapped_file_free(mapfile);			\
198 		return NULL;					\
199 	} else {						\
200 		guint32 idata;					\
201 		memcpy(&idata, p, sizeof(idata));		\
202 		n = idata;					\
203 		p += sizeof(guint32);				\
204 	}							\
205 }
206 
procmsg_read_cache(FolderItem * item,gboolean scan_file)207 GSList *procmsg_read_cache(FolderItem *item, gboolean scan_file)
208 {
209 	GSList *mlist = NULL;
210 	GSList *last = NULL;
211 	GMappedFile *mapfile;
212 	const gchar *filep;
213 	gsize file_len;
214 	const gchar *p, *endp;
215 	MsgInfo *msginfo;
216 	MsgFlags default_flags;
217 	guint32 num;
218 	guint refnum;
219 	FolderType type;
220 
221 	g_return_val_if_fail(item != NULL, NULL);
222 	g_return_val_if_fail(item->folder != NULL, NULL);
223 	type = FOLDER_TYPE(item->folder);
224 
225 	default_flags.perm_flags = MSG_NEW|MSG_UNREAD;
226 	default_flags.tmp_flags = 0;
227 	if (type == F_MH || type == F_IMAP) {
228 		if (item->stype == F_QUEUE) {
229 			MSG_SET_TMP_FLAGS(default_flags, MSG_QUEUED);
230 		} else if (item->stype == F_DRAFT) {
231 			MSG_SET_TMP_FLAGS(default_flags, MSG_DRAFT);
232 		}
233 	}
234 	if (type == F_IMAP) {
235 		MSG_SET_TMP_FLAGS(default_flags, MSG_IMAP);
236 	} else if (type == F_NEWS) {
237 		MSG_SET_TMP_FLAGS(default_flags, MSG_NEWS);
238 	}
239 
240 	if (type == F_MH) {
241 		gchar *path;
242 
243 		path = folder_item_get_path(item);
244 		if (change_dir(path) < 0) {
245 			g_free(path);
246 			return NULL;
247 		}
248 		g_free(path);
249 	}
250 
251 	mapfile = procmsg_open_cache_file_mmap(item, DATA_READ);
252 	if (!mapfile) {
253 		item->cache_dirty = TRUE;
254 		return NULL;
255 	}
256 
257 	debug_print("Reading summary cache...\n");
258 
259 	filep = g_mapped_file_get_contents(mapfile);
260 	file_len = g_mapped_file_get_length(mapfile);
261 	endp = filep + file_len;
262 	p = filep + sizeof(guint32); /* version */
263 
264 	while (endp - p >= sizeof(num)) {
265 		msginfo = g_new0(MsgInfo, 1);
266 
267 		READ_CACHE_DATA_INT(msginfo->msgnum);
268 
269 		READ_CACHE_DATA_INT(msginfo->size);
270 		READ_CACHE_DATA_INT(msginfo->mtime);
271 		READ_CACHE_DATA_INT(msginfo->date_t);
272 		READ_CACHE_DATA_INT(msginfo->flags.tmp_flags);
273 
274 		READ_CACHE_DATA(msginfo->fromname);
275 
276 		READ_CACHE_DATA(msginfo->date);
277 		READ_CACHE_DATA(msginfo->from);
278 		READ_CACHE_DATA(msginfo->to);
279 		READ_CACHE_DATA(msginfo->newsgroups);
280 		READ_CACHE_DATA(msginfo->subject);
281 		READ_CACHE_DATA(msginfo->msgid);
282 		READ_CACHE_DATA(msginfo->inreplyto);
283 
284 		READ_CACHE_DATA_INT(refnum);
285 		for (; refnum != 0; refnum--) {
286 			gchar *ref;
287 
288 			READ_CACHE_DATA(ref);
289 			msginfo->references =
290 				g_slist_prepend(msginfo->references, ref);
291 		}
292 		if (msginfo->references)
293 			msginfo->references =
294 				g_slist_reverse(msginfo->references);
295 
296 		MSG_SET_PERM_FLAGS(msginfo->flags, default_flags.perm_flags);
297 		MSG_SET_TMP_FLAGS(msginfo->flags, default_flags.tmp_flags);
298 
299 		/* if the message file doesn't exist or is changed,
300 		   don't add the data */
301 		if ((type == F_MH && scan_file &&
302 		     folder_item_is_msg_changed(item, msginfo)) ||
303 		     msginfo->msgnum == 0) {
304 			procmsg_msginfo_free(msginfo);
305 			item->cache_dirty = TRUE;
306 		} else {
307 			msginfo->folder = item;
308 
309 			if (!mlist)
310 				last = mlist = g_slist_append(NULL, msginfo);
311 			else {
312 				last = g_slist_append(last, msginfo);
313 				last = last->next;
314 			}
315 		}
316 	}
317 
318 	g_mapped_file_free(mapfile);
319 
320 	if (item->cache_queue) {
321 		GSList *qlist;
322 		qlist = procmsg_read_cache_queue(item, scan_file);
323 		mlist = g_slist_concat(mlist, qlist);
324 	}
325 
326 	debug_print("done.\n");
327 
328 	return mlist;
329 }
330 
331 #undef READ_CACHE_DATA
332 #undef READ_CACHE_DATA_INT
333 
procmsg_read_cache_queue(FolderItem * item,gboolean scan_file)334 static GSList *procmsg_read_cache_queue(FolderItem *item, gboolean scan_file)
335 {
336 	FolderType type;
337 	MsgInfo *msginfo;
338 	MsgFlags default_flags;
339 	GSList *cur;
340 	GSList *qlist = NULL;
341 
342 	g_return_val_if_fail(item != NULL, NULL);
343 	g_return_val_if_fail(item->folder != NULL, NULL);
344 
345 	if (!item->cache_queue)
346 		return NULL;
347 
348 	debug_print("Reading cache queue...\n");
349 
350 	type = FOLDER_TYPE(item->folder);
351 	default_flags.perm_flags = MSG_NEW|MSG_UNREAD;
352 	default_flags.tmp_flags = 0;
353 
354 	for (cur = item->cache_queue; cur != NULL; cur = cur->next) {
355 		msginfo = (MsgInfo *)cur->data;
356 
357 		debug_print("read cache queue: %s/%d\n",
358 			    item->path, msginfo->msgnum);
359 
360 		MSG_SET_PERM_FLAGS(msginfo->flags, default_flags.perm_flags);
361 		MSG_SET_TMP_FLAGS(msginfo->flags, default_flags.tmp_flags);
362 
363 		if ((type == F_MH && scan_file &&
364 		     folder_item_is_msg_changed(item, msginfo))) {
365 			procmsg_msginfo_free(msginfo);
366 			item->cache_dirty = TRUE;
367 		} else {
368 			msginfo->folder = item;
369 			qlist = g_slist_prepend(qlist, msginfo);
370 		}
371 	}
372 
373 	g_slist_free(item->cache_queue);
374 	item->cache_queue = NULL;
375 	item->cache_dirty = TRUE;
376 
377 	return qlist;
378 }
379 
mark_unset_new_func(gpointer key,gpointer value,gpointer data)380 static void mark_unset_new_func(gpointer key, gpointer value, gpointer data)
381 {
382 	MSG_UNSET_PERM_FLAGS(*((MsgFlags *)value), MSG_NEW);
383 }
384 
procmsg_set_flags(GSList * mlist,FolderItem * item)385 void procmsg_set_flags(GSList *mlist, FolderItem *item)
386 {
387 	GSList *cur;
388 	gint new = 0, unread = 0, total = 0;
389 	gint lastnum = 0;
390 	gint unflagged = 0;
391 	gboolean mark_queue_exist;
392 	MsgInfo *msginfo;
393 	GHashTable *mark_table;
394 	MsgFlags *flags;
395 
396 	g_return_if_fail(item != NULL);
397 	g_return_if_fail(item->folder != NULL);
398 
399 	debug_print("Marking the messages...\n");
400 
401 	mark_queue_exist = (item->mark_queue != NULL);
402 	mark_table = procmsg_read_mark_file(item);
403 	if (!mark_table) {
404 		item->new = item->unread = item->total = g_slist_length(mlist);
405 		item->updated = TRUE;
406 		item->mark_dirty = TRUE;
407 		return;
408 	}
409 
410 	/* unset new flags if new (unflagged) messages exist */
411 	if (!mark_queue_exist) {
412 		for (cur = mlist; cur != NULL; cur = cur->next) {
413 			msginfo = (MsgInfo *)cur->data;
414 			flags = g_hash_table_lookup
415 				(mark_table, GUINT_TO_POINTER(msginfo->msgnum));
416 			if (!flags) {
417 				g_hash_table_foreach(mark_table,
418 						     mark_unset_new_func, NULL);
419 				item->mark_dirty = TRUE;
420 				break;
421 			}
422 		}
423 	}
424 
425 	for (cur = mlist; cur != NULL; cur = cur->next) {
426 		msginfo = (MsgInfo *)cur->data;
427 
428 		if (lastnum < msginfo->msgnum)
429 			lastnum = msginfo->msgnum;
430 
431 		flags = g_hash_table_lookup
432 			(mark_table, GUINT_TO_POINTER(msginfo->msgnum));
433 
434 		if (flags != NULL) {
435 			/* add the permanent flags only */
436 			msginfo->flags.perm_flags = flags->perm_flags;
437 			if (MSG_IS_NEW(*flags))
438 				++new;
439 			if (MSG_IS_UNREAD(*flags))
440 				++unread;
441 			if (FOLDER_TYPE(item->folder) == F_IMAP) {
442 				MSG_SET_TMP_FLAGS(msginfo->flags, MSG_IMAP);
443 			} else if (FOLDER_TYPE(item->folder) == F_NEWS) {
444 				MSG_SET_TMP_FLAGS(msginfo->flags, MSG_NEWS);
445 			}
446 		} else {
447 			++unflagged;
448 			++new;
449 			++unread;
450 		}
451 
452 		++total;
453 	}
454 
455 	item->new = new;
456 	item->unread = unread;
457 	item->total = total;
458 	item->unmarked_num = unflagged;
459 	item->last_num = lastnum;
460 	item->updated = TRUE;
461 
462 	if (unflagged > 0)
463 		item->mark_dirty = TRUE;
464 
465 	debug_print("new: %d unread: %d unflagged: %d total: %d\n",
466 		    new, unread, unflagged, total);
467 
468 	hash_free_value_mem(mark_table);
469 	g_hash_table_destroy(mark_table);
470 }
471 
mark_all_read_func(gpointer key,gpointer value,gpointer data)472 static void mark_all_read_func(gpointer key, gpointer value, gpointer data)
473 {
474 	MSG_UNSET_PERM_FLAGS(*((MsgFlags *)value), MSG_NEW|MSG_UNREAD);
475 }
476 
procmsg_mark_all_read(FolderItem * item)477 void procmsg_mark_all_read(FolderItem *item)
478 {
479 	GHashTable *mark_table;
480 
481 	debug_print("Marking all messages as read\n");
482 
483 	mark_table = procmsg_read_mark_file(item);
484 	if (mark_table) {
485 		g_hash_table_foreach(mark_table, mark_all_read_func, NULL);
486 		procmsg_write_mark_file(item, mark_table);
487 		hash_free_value_mem(mark_table);
488 		g_hash_table_destroy(mark_table);
489 	}
490 
491 	if (item->mark_queue) {
492 		GSList *cur;
493 		MsgFlagInfo *flaginfo;
494 
495 		for (cur = item->mark_queue; cur != NULL; cur = cur->next) {
496 			flaginfo = (MsgFlagInfo *)cur->data;
497 			MSG_UNSET_PERM_FLAGS
498 				(flaginfo->flags, MSG_NEW|MSG_UNREAD);
499 		}
500 		item->mark_dirty = TRUE;
501 	}
502 
503 	item->new = item->unread = 0;
504 }
505 
506 static FolderSortType cmp_func_sort_type;
507 
procmsg_sort_msg_list(GSList * mlist,FolderSortKey sort_key,FolderSortType sort_type)508 GSList *procmsg_sort_msg_list(GSList *mlist, FolderSortKey sort_key,
509 			      FolderSortType sort_type)
510 {
511 	GCompareFunc cmp_func;
512 
513 	switch (sort_key) {
514 	case SORT_BY_MARK:
515 		cmp_func = procmsg_cmp_by_mark; break;
516 	case SORT_BY_UNREAD:
517 		cmp_func = procmsg_cmp_by_unread; break;
518 	case SORT_BY_MIME:
519 		cmp_func = procmsg_cmp_by_mime; break;
520 	case SORT_BY_LABEL:
521 		cmp_func = procmsg_cmp_by_label; break;
522 	case SORT_BY_NUMBER:
523 		cmp_func = procmsg_cmp_by_number; break;
524 	case SORT_BY_SIZE:
525 		cmp_func = procmsg_cmp_by_size; break;
526 	case SORT_BY_DATE:
527 		cmp_func = procmsg_cmp_by_date; break;
528 	case SORT_BY_FROM:
529 		cmp_func = procmsg_cmp_by_from; break;
530 	case SORT_BY_SUBJECT:
531 		cmp_func = procmsg_cmp_by_subject; break;
532 	case SORT_BY_TO:
533 		cmp_func = procmsg_cmp_by_to; break;
534 	default:
535 		return mlist;
536 	}
537 
538 	cmp_func_sort_type = sort_type;
539 
540 	mlist = g_slist_sort(mlist, cmp_func);
541 
542 	return mlist;
543 }
544 
procmsg_get_last_num_in_msg_list(GSList * mlist)545 gint procmsg_get_last_num_in_msg_list(GSList *mlist)
546 {
547 	GSList *cur;
548 	MsgInfo *msginfo;
549 	gint last = 0;
550 
551 	for (cur = mlist; cur != NULL; cur = cur->next) {
552 		msginfo = (MsgInfo *)cur->data;
553 		if (msginfo && msginfo->msgnum > last)
554 			last = msginfo->msgnum;
555 	}
556 
557 	return last;
558 }
559 
procmsg_msg_list_free(GSList * mlist)560 void procmsg_msg_list_free(GSList *mlist)
561 {
562 	GSList *cur;
563 	MsgInfo *msginfo;
564 
565 	for (cur = mlist; cur != NULL; cur = cur->next) {
566 		msginfo = (MsgInfo *)cur->data;
567 		procmsg_msginfo_free(msginfo);
568 	}
569 	g_slist_free(mlist);
570 }
571 
procmsg_write_cache(MsgInfo * msginfo,FILE * fp)572 void procmsg_write_cache(MsgInfo *msginfo, FILE *fp)
573 {
574 	MsgTmpFlags flags = msginfo->flags.tmp_flags & MSG_CACHED_FLAG_MASK;
575 	GSList *cur;
576 
577 	WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
578 	WRITE_CACHE_DATA_INT(msginfo->size, fp);
579 	WRITE_CACHE_DATA_INT(msginfo->mtime, fp);
580 	WRITE_CACHE_DATA_INT(msginfo->date_t, fp);
581 	WRITE_CACHE_DATA_INT(flags, fp);
582 
583 	WRITE_CACHE_DATA(msginfo->fromname, fp);
584 
585 	WRITE_CACHE_DATA(msginfo->date, fp);
586 	WRITE_CACHE_DATA(msginfo->from, fp);
587 	WRITE_CACHE_DATA(msginfo->to, fp);
588 	WRITE_CACHE_DATA(msginfo->newsgroups, fp);
589 	WRITE_CACHE_DATA(msginfo->subject, fp);
590 	WRITE_CACHE_DATA(msginfo->msgid, fp);
591 	WRITE_CACHE_DATA(msginfo->inreplyto, fp);
592 
593 	WRITE_CACHE_DATA_INT(g_slist_length(msginfo->references), fp);
594 	for (cur = msginfo->references; cur != NULL; cur = cur->next) {
595 		WRITE_CACHE_DATA((gchar *)cur->data, fp);
596 	}
597 }
598 
procmsg_write_flags(MsgInfo * msginfo,FILE * fp)599 void procmsg_write_flags(MsgInfo *msginfo, FILE *fp)
600 {
601 	MsgPermFlags flags = msginfo->flags.perm_flags;
602 
603 	WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
604 	WRITE_CACHE_DATA_INT(flags, fp);
605 }
606 
procmsg_write_cache_list(FolderItem * item,GSList * mlist)607 void procmsg_write_cache_list(FolderItem *item, GSList *mlist)
608 {
609 	FILE *fp;
610 	GSList *cur;
611 
612 	g_return_if_fail(item != NULL);
613 
614 	debug_print("Writing summary cache (%s)\n", item->path);
615 
616 	fp = procmsg_open_cache_file(item, DATA_WRITE);
617 	if (fp == NULL)
618 		return;
619 
620 	for (cur = mlist; cur != NULL; cur = cur->next) {
621 		MsgInfo *msginfo = (MsgInfo *)cur->data;
622 		procmsg_write_cache(msginfo, fp);
623 	}
624 
625 	if (item->cache_queue)
626 		procmsg_flush_cache_queue(item, fp);
627 
628 	fclose(fp);
629 	item->cache_dirty = FALSE;
630 }
631 
procmsg_write_flags_list(FolderItem * item,GSList * mlist)632 void procmsg_write_flags_list(FolderItem *item, GSList *mlist)
633 {
634 	FILE *fp;
635 	GSList *cur;
636 
637 	g_return_if_fail(item != NULL);
638 
639 	debug_print("Writing summary flags (%s)\n", item->path);
640 
641 	fp = procmsg_open_mark_file(item, DATA_WRITE);
642 	if (fp == NULL)
643 		return;
644 
645 	for (cur = mlist; cur != NULL; cur = cur->next) {
646 		MsgInfo *msginfo = (MsgInfo *)cur->data;
647 		procmsg_write_flags(msginfo, fp);
648 	}
649 
650 	if (item->mark_queue)
651 		procmsg_flush_mark_queue(item, fp);
652 
653 	fclose(fp);
654 	item->mark_dirty = FALSE;
655 }
656 
cmp_by_item(gconstpointer a,gconstpointer b)657 static gint cmp_by_item(gconstpointer a, gconstpointer b)
658 {
659 	const MsgInfo *msginfo1 = a;
660 	const MsgInfo *msginfo2 = b;
661 
662 	if (msginfo1->folder == msginfo2->folder)
663 		return msginfo1->msgnum - msginfo2->msgnum;
664 
665 	return msginfo1->folder - msginfo2->folder;
666 }
667 
procmsg_write_flags_for_multiple_folders(GSList * mlist)668 void procmsg_write_flags_for_multiple_folders(GSList *mlist)
669 {
670 	GSList *tmp_list, *cur;
671 	FolderItem *prev_item = NULL;
672 	FILE *fp = NULL;
673 
674 	if (!mlist)
675 		return;
676 
677 	tmp_list = g_slist_copy(mlist);
678 	tmp_list = g_slist_sort(tmp_list, cmp_by_item);
679 
680 	for (cur = tmp_list; cur != NULL; cur = cur->next) {
681 		MsgInfo *msginfo = (MsgInfo *)cur->data;
682 		FolderItem *item = msginfo->folder;
683 
684 		if (prev_item != item) {
685 			if (fp)
686 				fclose(fp);
687 			fp = procmsg_open_mark_file(item, DATA_APPEND);
688 			if (!fp) {
689 				g_warning("can't open mark file\n");
690 				break;
691 			}
692 			item->updated = TRUE;
693 		}
694 		procmsg_write_flags(msginfo, fp);
695 		prev_item = item;
696 	}
697 
698 	if (fp)
699 		fclose(fp);
700 	g_slist_free(tmp_list);
701 }
702 
procmsg_flush_mark_queue(FolderItem * item,FILE * fp)703 void procmsg_flush_mark_queue(FolderItem *item, FILE *fp)
704 {
705 	MsgFlagInfo *flaginfo;
706 	MsgInfo msginfo = {0};
707 	gboolean append = FALSE;
708 	GSList *qlist, *cur;
709 
710 	g_return_if_fail(item != NULL);
711 
712 	if (!item->mark_queue)
713 		return;
714 
715 	debug_print("flushing mark_queue: %s ...\n", item->path);
716 
717 	if (!fp) {
718 		append =  TRUE;
719 		fp = procmsg_open_mark_file(item, DATA_APPEND);
720 		g_return_if_fail(fp != NULL);
721 	}
722 
723 	qlist = g_slist_reverse(item->mark_queue);
724 	item->mark_queue = NULL;
725 
726 	for (cur = qlist; cur != NULL; cur = cur->next) {
727 		flaginfo = (MsgFlagInfo *)cur->data;
728 
729 		msginfo.msgnum = flaginfo->msgnum;
730 		msginfo.flags = flaginfo->flags;
731 		procmsg_write_flags(&msginfo, fp);
732 		g_free(flaginfo);
733 	}
734 
735 	g_slist_free(qlist);
736 
737 	if (append)
738 		fclose(fp);
739 }
740 
procmsg_add_mark_queue(FolderItem * item,gint num,MsgFlags flags)741 void procmsg_add_mark_queue(FolderItem *item, gint num, MsgFlags flags)
742 {
743 	MsgFlagInfo *flaginfo;
744 
745 	flaginfo = g_new(MsgFlagInfo, 1);
746 	flaginfo->msgnum = num;
747 	flaginfo->flags = flags;
748 	item->mark_queue = g_slist_prepend(item->mark_queue, flaginfo);
749 }
750 
procmsg_flaginfo_list_free(GSList * flaglist)751 void procmsg_flaginfo_list_free(GSList *flaglist)
752 {
753 	GSList *cur;
754 	MsgFlagInfo *flaginfo;
755 
756 	for (cur = flaglist; cur != NULL; cur = cur->next) {
757 		flaginfo = (MsgFlagInfo *)cur->data;
758 		g_free(flaginfo);
759 	}
760 	g_slist_free(flaglist);
761 }
762 
procmsg_flush_cache_queue(FolderItem * item,FILE * fp)763 void procmsg_flush_cache_queue(FolderItem *item, FILE *fp)
764 {
765 	MsgInfo *msginfo;
766 	gboolean append = FALSE;
767 	GSList *qlist, *cur;
768 
769 	g_return_if_fail(item != NULL);
770 
771 	if (!item->cache_queue)
772 		return;
773 
774 	debug_print("flushing cache_queue: %s ...\n", item->path);
775 
776 	if (!fp) {
777 		append =  TRUE;
778 		fp = procmsg_open_cache_file(item, DATA_APPEND);
779 		g_return_if_fail(fp != NULL);
780 	}
781 
782 	qlist = g_slist_reverse(item->cache_queue);
783 	item->cache_queue = NULL;
784 
785 	for (cur = qlist; cur != NULL; cur = cur->next) {
786 		msginfo = (MsgInfo *)cur->data;
787 
788 		debug_print("flush cache queue: %s/%d\n",
789 			    item->path, msginfo->msgnum);
790 		procmsg_write_cache(msginfo, fp);
791 		procmsg_msginfo_free(msginfo);
792 	}
793 
794 	g_slist_free(qlist);
795 
796 	if (append)
797 		fclose(fp);
798 }
799 
procmsg_add_cache_queue(FolderItem * item,gint num,MsgInfo * msginfo)800 void procmsg_add_cache_queue(FolderItem *item, gint num, MsgInfo *msginfo)
801 {
802 	MsgInfo *queue_msginfo;
803 
804 	g_return_if_fail(msginfo != NULL);
805 
806 	queue_msginfo = procmsg_msginfo_copy(msginfo);
807 	queue_msginfo->msgnum = num;
808 	queue_msginfo->folder = item;
809 	if (queue_msginfo->file_path) {
810 		g_free(queue_msginfo->file_path);
811 		queue_msginfo->file_path = NULL;
812 	}
813 
814 	debug_print("procmsg_add_cache_queue: add msg cache: %s/%d\n",
815 		    item->path, num);
816 	item->cache_queue = g_slist_prepend(item->cache_queue, queue_msginfo);
817 }
818 
procmsg_flush_folder(FolderItem * item)819 gboolean procmsg_flush_folder(FolderItem *item)
820 {
821 	gboolean flushed = FALSE;
822 	gint n_new, n_unread, n_total, n_min, n_max;
823 
824 	g_return_val_if_fail(item != NULL, FALSE);
825 	g_return_val_if_fail(item->folder != NULL, FALSE);
826 
827 	if (FOLDER_TYPE(item->folder) != F_MH || item->last_num < 0) {
828 		folder_item_scan(item);
829 		return TRUE;
830 	}
831 
832 	if (item->mark_queue && !item->opened)
833 		flushed = TRUE;
834 	procmsg_get_mark_sum(item, &n_new, &n_unread, &n_total, &n_min, &n_max,
835 			     0);
836 	item->unmarked_num = 0;
837 	item->new = n_new;
838 	item->unread = n_unread;
839 	item->total = n_total;
840 
841 	if (item->cache_queue && !item->opened) {
842 		procmsg_flush_cache_queue(item, NULL);
843 		flushed = TRUE;
844 	}
845 
846 	if (flushed)
847 		debug_print("procmsg_flush_folder: flushed %s\n", item->path);
848 
849 	return flushed;
850 }
851 
procmsg_flush_folder_foreach_func(gpointer key,gpointer val,gpointer data)852 static void procmsg_flush_folder_foreach_func(gpointer key, gpointer val,
853 					      gpointer data)
854 {
855 	procmsg_flush_folder(FOLDER_ITEM(key));
856 }
857 
procmsg_flush_folder_foreach(GHashTable * folder_table)858 void procmsg_flush_folder_foreach(GHashTable *folder_table)
859 {
860 	g_hash_table_foreach(folder_table, procmsg_flush_folder_foreach_func,
861 			     NULL);
862 }
863 
procmsg_add_flags(FolderItem * item,gint num,MsgFlags flags)864 void procmsg_add_flags(FolderItem *item, gint num, MsgFlags flags)
865 {
866 	FILE *fp;
867 	MsgInfo msginfo;
868 
869 	g_return_if_fail(item != NULL);
870 
871 	if (item->opened) {
872 		procmsg_add_mark_queue(item, num, flags);
873 		return;
874 	}
875 
876 	if ((fp = procmsg_open_mark_file(item, DATA_APPEND)) == NULL) {
877 		g_warning(_("can't open mark file\n"));
878 		return;
879 	}
880 
881 	msginfo.msgnum = num;
882 	msginfo.flags = flags;
883 
884 	procmsg_write_flags(&msginfo, fp);
885 	fclose(fp);
886 }
887 
888 struct MarkSum {
889 	gint *new;
890 	gint *unread;
891 	gint *total;
892 	gint *min;
893 	gint *max;
894 	gint first;
895 };
896 
mark_sum_func(gpointer key,gpointer value,gpointer data)897 static void mark_sum_func(gpointer key, gpointer value, gpointer data)
898 {
899 	MsgFlags *flags = value;
900 	gint num = GPOINTER_TO_INT(key);
901 	struct MarkSum *marksum = data;
902 
903 	if (marksum->first <= num) {
904 		if (MSG_IS_NEW(*flags)) (*marksum->new)++;
905 		if (MSG_IS_UNREAD(*flags)) (*marksum->unread)++;
906 		if (num > *marksum->max) *marksum->max = num;
907 		if (num < *marksum->min || *marksum->min == 0) *marksum->min = num;
908 		(*marksum->total)++;
909 	}
910 
911 	g_free(flags);
912 }
913 
procmsg_get_mark_sum(FolderItem * item,gint * new,gint * unread,gint * total,gint * min,gint * max,gint first)914 void procmsg_get_mark_sum(FolderItem *item,
915 			  gint *new, gint *unread, gint *total,
916 			  gint *min, gint *max,
917 			  gint first)
918 {
919 	GHashTable *mark_table;
920 	struct MarkSum marksum;
921 
922 	*new = *unread = *total = *min = *max = 0;
923 	marksum.new    = new;
924 	marksum.unread = unread;
925 	marksum.total  = total;
926 	marksum.min    = min;
927 	marksum.max    = max;
928 	marksum.first  = first;
929 
930 	mark_table = procmsg_read_mark_file(item);
931 
932 	if (mark_table) {
933 		g_hash_table_foreach(mark_table, mark_sum_func, &marksum);
934 		g_hash_table_destroy(mark_table);
935 	}
936 }
937 
procmsg_read_mark_file(FolderItem * item)938 static GHashTable *procmsg_read_mark_file(FolderItem *item)
939 {
940 	FILE *fp;
941 	GHashTable *mark_table = NULL;
942 	guint32 idata;
943 	guint num;
944 	MsgFlags *flags;
945 	MsgPermFlags perm_flags;
946 	GSList *cur;
947 
948 	if ((fp = procmsg_open_mark_file(item, DATA_READ)) == NULL)
949 		return NULL;
950 
951 	mark_table = g_hash_table_new(NULL, g_direct_equal);
952 
953 	while (fread(&idata, sizeof(idata), 1, fp) == 1) {
954 		num = idata;
955 		if (fread(&idata, sizeof(idata), 1, fp) != 1) break;
956 		perm_flags = idata;
957 
958 		flags = g_hash_table_lookup(mark_table, GUINT_TO_POINTER(num));
959 		if (flags != NULL)
960 			g_free(flags);
961 
962 		flags = g_new0(MsgFlags, 1);
963 		flags->perm_flags = perm_flags;
964 
965 		g_hash_table_insert(mark_table, GUINT_TO_POINTER(num), flags);
966 	}
967 
968 	fclose(fp);
969 
970 	if (item->mark_queue) {
971 		g_hash_table_foreach(mark_table, mark_unset_new_func, NULL);
972 		item->mark_dirty = TRUE;
973 	}
974 
975 	for (cur = item->mark_queue; cur != NULL; cur = cur->next) {
976 		MsgFlagInfo *flaginfo = (MsgFlagInfo *)cur->data;
977 
978 		flags = g_hash_table_lookup(mark_table,
979 					    GUINT_TO_POINTER(flaginfo->msgnum));
980 		if (flags != NULL)
981 			g_free(flags);
982 
983 		flags = g_new0(MsgFlags, 1);
984 		flags->perm_flags = flaginfo->flags.perm_flags;
985 
986 		g_hash_table_insert(mark_table,
987 				    GUINT_TO_POINTER(flaginfo->msgnum), flags);
988 
989 	}
990 
991 	if (item->mark_queue && !item->opened) {
992 		procmsg_write_mark_file(item, mark_table);
993 		procmsg_flaginfo_list_free(item->mark_queue);
994 		item->mark_queue = NULL;
995 		item->mark_dirty = FALSE;
996 	}
997 
998 	return mark_table;
999 }
1000 
write_mark_func(gpointer key,gpointer value,gpointer data)1001 static void write_mark_func(gpointer key, gpointer value, gpointer data)
1002 {
1003 	MsgInfo msginfo;
1004 
1005 	msginfo.msgnum = GPOINTER_TO_UINT(key);
1006 	msginfo.flags.perm_flags = ((MsgFlags *)value)->perm_flags;
1007 	procmsg_write_flags(&msginfo, (FILE *)data);
1008 }
1009 
procmsg_write_mark_file(FolderItem * item,GHashTable * mark_table)1010 static void procmsg_write_mark_file(FolderItem *item, GHashTable *mark_table)
1011 {
1012 	FILE *fp;
1013 
1014 	if ((fp = procmsg_open_mark_file(item, DATA_WRITE)) == NULL) {
1015 		g_warning("procmsg_write_mark_file: cannot open mark file.");
1016 		return;
1017 	}
1018 	g_hash_table_foreach(mark_table, write_mark_func, fp);
1019 	fclose(fp);
1020 }
1021 
procmsg_open_data_file(const gchar * file,guint version,DataOpenMode mode,gchar * buf,size_t buf_size)1022 FILE *procmsg_open_data_file(const gchar *file, guint version,
1023 			     DataOpenMode mode, gchar *buf, size_t buf_size)
1024 {
1025 	FILE *fp;
1026 	guint32 data_ver = 0;
1027 
1028 	g_return_val_if_fail(file != NULL, NULL);
1029 
1030 	if (mode == DATA_WRITE) {
1031 		if ((fp = g_fopen(file, "wb")) == NULL) {
1032 			if (errno == EACCES) {
1033 				change_file_mode_rw(NULL, file);
1034 				if ((fp = g_fopen(file, "wb")) == NULL) {
1035 					FILE_OP_ERROR(file, "procmsg_open_data_file: fopen");
1036 					return NULL;
1037 				}
1038 			} else {
1039 				FILE_OP_ERROR(file, "procmsg_open_data_file: fopen");
1040 				return NULL;
1041 			}
1042 		}
1043 		if (change_file_mode_rw(fp, file) < 0)
1044 			FILE_OP_ERROR(file, "chmod");
1045 
1046 		WRITE_CACHE_DATA_INT(version, fp);
1047 		return fp;
1048 	}
1049 
1050 	/* check version */
1051 	if ((fp = g_fopen(file, "rb")) == NULL) {
1052 		if (errno == EACCES) {
1053 			change_file_mode_rw(NULL, file);
1054 			if ((fp = g_fopen(file, "rb")) == NULL) {
1055 				FILE_OP_ERROR(file, "procmsg_open_data_file: fopen");
1056 			}
1057 		} else {
1058 			debug_print("Mark/Cache file '%s' not found\n", file);
1059 		}
1060 	}
1061 
1062 	if (fp) {
1063 		if (buf && buf_size > 0)
1064 			setvbuf(fp, buf, _IOFBF, buf_size);
1065 		if (fread(&data_ver, sizeof(data_ver), 1, fp) != 1) {
1066 			g_warning("%s: cannot read mark/cache file (truncated?)\n", file);
1067 			fclose(fp);
1068 			fp = NULL;
1069 		} else if (version != data_ver) {
1070 			g_message("%s: Mark/Cache version is different (%u != %u). Discarding it.\n",
1071 				  file, data_ver, version);
1072 			fclose(fp);
1073 			fp = NULL;
1074 		}
1075 	}
1076 
1077 	if (mode == DATA_READ)
1078 		return fp;
1079 
1080 	if (fp) {
1081 		/* reopen with append mode */
1082 		fclose(fp);
1083 		if ((fp = g_fopen(file, "ab")) == NULL) {
1084 			if (errno == EACCES) {
1085 				change_file_mode_rw(NULL, file);
1086 				if ((fp = g_fopen(file, "ab")) == NULL) {
1087 					FILE_OP_ERROR(file, "procmsg_open_data_file: fopen");
1088 				}
1089 			} else {
1090 				FILE_OP_ERROR(file, "procmsg_open_data_file: fopen");
1091 			}
1092 		}
1093 	} else {
1094 		/* open with overwrite mode if mark file doesn't exist or
1095 		   version is different */
1096 		fp = procmsg_open_data_file(file, version, DATA_WRITE, buf,
1097 					    buf_size);
1098 	}
1099 
1100 	return fp;
1101 }
1102 
procmsg_open_cache_file_mmap(FolderItem * item,DataOpenMode mode)1103 static GMappedFile *procmsg_open_cache_file_mmap(FolderItem *item,
1104 						 DataOpenMode mode)
1105 {
1106 	gchar *cachefile;
1107 	GMappedFile *map = NULL;
1108 	GError *error = NULL;
1109 	gsize size;
1110 	guint32 data_ver = 0;
1111 	gchar *p;
1112 
1113 	if (mode != DATA_READ)
1114 		return NULL;
1115 
1116 	cachefile = folder_item_get_cache_file(item);
1117 	if (cachefile) {
1118 		map = g_mapped_file_new(cachefile, FALSE, &error);
1119 		if (!map) {
1120 			if (error && error->code == G_FILE_ERROR_NOENT)
1121 				debug_print("%s: mark/cache file not found\n", cachefile);
1122 			else if (error)
1123 				g_warning("%s: cannot open mark/cache file: %s", cachefile, error->message);
1124 			else
1125 				g_warning("%s: cannot open mark/cache file", cachefile);
1126 			if (error)
1127 				g_error_free(error);
1128 			g_free(cachefile);
1129 			return NULL;
1130 		}
1131 		size = g_mapped_file_get_length(map);
1132 		if (size < sizeof(data_ver)) {
1133 			g_warning("%s: cannot read mark/cache file (truncated?)", cachefile);
1134 			g_mapped_file_free(map);
1135 			g_free(cachefile);
1136 			return NULL;
1137 		}
1138 		p = g_mapped_file_get_contents(map);
1139 		data_ver = *(guint32 *)p;
1140 		if (CACHE_VERSION != data_ver) {
1141 			g_message("%s: Mark/Cache version is different (%u != %u). Discarding it.\n",
1142 				  cachefile, data_ver, CACHE_VERSION);
1143 			g_mapped_file_free(map);
1144 			g_free(cachefile);
1145 			return NULL;
1146 		}
1147 		g_free(cachefile);
1148 	}
1149 
1150 	return map;
1151 }
1152 
procmsg_open_cache_file(FolderItem * item,DataOpenMode mode)1153 FILE *procmsg_open_cache_file(FolderItem *item, DataOpenMode mode)
1154 {
1155 	gchar *cachefile;
1156 	FILE *fp;
1157 
1158 	cachefile = folder_item_get_cache_file(item);
1159 	fp = procmsg_open_data_file(cachefile, CACHE_VERSION, mode, NULL, 0);
1160 	g_free(cachefile);
1161 
1162 	return fp;
1163 }
1164 
procmsg_open_mark_file(FolderItem * item,DataOpenMode mode)1165 FILE *procmsg_open_mark_file(FolderItem *item, DataOpenMode mode)
1166 {
1167 	gchar *markfile;
1168 	FILE *fp;
1169 
1170 	markfile = folder_item_get_mark_file(item);
1171 	fp = procmsg_open_data_file(markfile, MARK_VERSION, mode, NULL, 0);
1172 	g_free(markfile);
1173 
1174 	return fp;
1175 }
1176 
procmsg_clear_cache(FolderItem * item)1177 void procmsg_clear_cache(FolderItem *item)
1178 {
1179 	FILE *fp;
1180 
1181 	fp = procmsg_open_cache_file(item, DATA_WRITE);
1182 	if (fp)
1183 		fclose(fp);
1184 }
1185 
procmsg_clear_mark(FolderItem * item)1186 void procmsg_clear_mark(FolderItem *item)
1187 {
1188 	FILE *fp;
1189 
1190 	fp = procmsg_open_mark_file(item, DATA_WRITE);
1191 	if (fp)
1192 		fclose(fp);
1193 }
1194 
1195 /* return the reversed thread tree */
procmsg_get_thread_tree(GSList * mlist)1196 GNode *procmsg_get_thread_tree(GSList *mlist)
1197 {
1198 	GNode *root, *parent, *node, *next;
1199 	GHashTable *table;
1200 	MsgInfo *msginfo;
1201 	const gchar *msgid;
1202 	GSList *reflist;
1203 
1204 	root = g_node_new(NULL);
1205 	table = g_hash_table_new(g_str_hash, g_str_equal);
1206 
1207 	for (; mlist != NULL; mlist = mlist->next) {
1208 		msginfo = (MsgInfo *)mlist->data;
1209 		parent = root;
1210 
1211 		/* only look for the real parent first */
1212 		if (msginfo->inreplyto) {
1213 			parent = g_hash_table_lookup(table, msginfo->inreplyto);
1214 			if (parent == NULL)
1215 				parent = root;
1216 		}
1217 
1218 		node = g_node_insert_data_before
1219 			(parent, parent == root ? parent->children : NULL,
1220 			 msginfo);
1221 		if ((msgid = msginfo->msgid) &&
1222 		    g_hash_table_lookup(table, msgid) == NULL)
1223 			g_hash_table_insert(table, (gchar *)msgid, node);
1224 	}
1225 
1226 	/* complete the unfinished threads */
1227 	for (node = root->children; node != NULL; ) {
1228 		next = node->next;
1229 		msginfo = (MsgInfo *)node->data;
1230 		parent = NULL;
1231 
1232 		if (msginfo->inreplyto)
1233 			parent = g_hash_table_lookup(table, msginfo->inreplyto);
1234 
1235 		/* try looking for the indirect parent */
1236 		if (!parent && msginfo->references) {
1237 			for (reflist = msginfo->references;
1238 			     reflist != NULL; reflist = reflist->next)
1239 				if ((parent = g_hash_table_lookup
1240 					(table, reflist->data)) != NULL)
1241 					break;
1242 		}
1243 
1244 		/* node should not be the parent, and node should not
1245 		   be an ancestor of parent (circular reference) */
1246 		if (parent && parent != node &&
1247 		    !g_node_is_ancestor(node, parent)) {
1248 			g_node_unlink(node);
1249 			g_node_insert_before
1250 				(parent, parent->children, node);
1251 		}
1252 		node = next;
1253 	}
1254 
1255 	g_hash_table_destroy(table);
1256 
1257 	return root;
1258 }
1259 
procmsg_thread_date_func(GNode * node,gpointer data)1260 static gboolean procmsg_thread_date_func(GNode *node, gpointer data)
1261 {
1262 	guint *tdate = (guint *)data;
1263 	MsgInfo *msginfo = (MsgInfo *)node->data;
1264 
1265 	if (*tdate < msginfo->date_t)
1266 		*tdate = msginfo->date_t;
1267 
1268 	return FALSE;
1269 }
1270 
procmsg_get_thread_date(GNode * node)1271 guint procmsg_get_thread_date(GNode *node)
1272 {
1273 	guint tdate = 0;
1274 
1275 	g_return_val_if_fail(node != NULL && node->parent != NULL &&
1276 			     node->parent->parent == NULL, 0);
1277 
1278 	g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1279 			procmsg_thread_date_func, &tdate);
1280 
1281 	return tdate;
1282 }
1283 
procmsg_move_messages(GSList * mlist)1284 gint procmsg_move_messages(GSList *mlist)
1285 {
1286 	GSList *cur, *movelist = NULL;
1287 	MsgInfo *msginfo;
1288 	FolderItem *dest = NULL;
1289 	GHashTable *hash;
1290 	gint val = 0;
1291 
1292 	if (!mlist) return 0;
1293 
1294 	hash = procmsg_to_folder_hash_table_create(mlist);
1295 	folder_item_scan_foreach(hash);
1296 	g_hash_table_destroy(hash);
1297 
1298 	for (cur = mlist; cur != NULL; cur = cur->next) {
1299 		msginfo = (MsgInfo *)cur->data;
1300 		if (!dest) {
1301 			dest = msginfo->to_folder;
1302 			movelist = g_slist_append(movelist, msginfo);
1303 		} else if (dest == msginfo->to_folder) {
1304 			movelist = g_slist_append(movelist, msginfo);
1305 		} else {
1306 			val = folder_item_move_msgs(dest, movelist);
1307 			g_slist_free(movelist);
1308 			movelist = NULL;
1309 			if (val == -1)
1310 				return val;
1311 			dest = msginfo->to_folder;
1312 			movelist = g_slist_append(movelist, msginfo);
1313 		}
1314 	}
1315 
1316 	if (movelist) {
1317 		val = folder_item_move_msgs(dest, movelist);
1318 		g_slist_free(movelist);
1319 	}
1320 
1321 	return val == -1 ? -1 : 0;
1322 }
1323 
procmsg_copy_messages(GSList * mlist)1324 gint procmsg_copy_messages(GSList *mlist)
1325 {
1326 	GSList *cur, *copylist = NULL;
1327 	MsgInfo *msginfo;
1328 	FolderItem *dest = NULL;
1329 	GHashTable *hash;
1330 	gint val = 0;
1331 
1332 	if (!mlist) return 0;
1333 
1334 	hash = procmsg_to_folder_hash_table_create(mlist);
1335 	folder_item_scan_foreach(hash);
1336 	g_hash_table_destroy(hash);
1337 
1338 	for (cur = mlist; cur != NULL; cur = cur->next) {
1339 		msginfo = (MsgInfo *)cur->data;
1340 		if (!dest) {
1341 			dest = msginfo->to_folder;
1342 			copylist = g_slist_append(copylist, msginfo);
1343 		} else if (dest == msginfo->to_folder) {
1344 			copylist = g_slist_append(copylist, msginfo);
1345 		} else {
1346 			val = folder_item_copy_msgs(dest, copylist);
1347 			g_slist_free(copylist);
1348 			copylist = NULL;
1349 			if (val == -1)
1350 				return val;
1351 			dest = msginfo->to_folder;
1352 			copylist = g_slist_append(copylist, msginfo);
1353 		}
1354 	}
1355 
1356 	if (copylist) {
1357 		val = folder_item_copy_msgs(dest, copylist);
1358 		g_slist_free(copylist);
1359 	}
1360 
1361 	return val == -1 ? -1 : 0;
1362 }
1363 
procmsg_add_messages_from_queue(FolderItem * dest,GSList * mlist,gboolean is_move)1364 gint procmsg_add_messages_from_queue(FolderItem *dest, GSList *mlist,
1365 				     gboolean is_move)
1366 {
1367 	MsgInfo *msginfo;
1368 	GSList *cur;
1369 	gchar *file;
1370 	FILE *fp;
1371 	gchar buf[BUFFSIZE];
1372 	gchar *dest_file;
1373 	gboolean is_error = FALSE;
1374 	FolderItem *src;
1375 	MsgFlags flags;
1376 
1377 	g_return_val_if_fail(dest != NULL, -1);
1378 	g_return_val_if_fail(mlist != NULL, -1);
1379 
1380 	msginfo = (MsgInfo *)mlist->data;
1381 	if (!msginfo || !msginfo->folder || msginfo->folder->stype != F_QUEUE ||
1382 	    !MSG_IS_QUEUED(msginfo->flags) || dest->stype == F_QUEUE)
1383 		return -1;
1384 
1385 	debug_print("procmsg_add_messages_from_queue: adding messages from queue folder\n");
1386 
1387 	for (cur = mlist; cur != NULL; cur = cur->next) {
1388 		msginfo = (MsgInfo *)cur->data;
1389 		flags = msginfo->flags;
1390 		if (!MSG_IS_QUEUED(flags))
1391 			return -1;
1392 		MSG_UNSET_TMP_FLAGS(flags, MSG_QUEUED);
1393 		src = msginfo->folder;
1394 		file = procmsg_get_message_file(msginfo);
1395 		if (!file)
1396 			return -1;
1397 		if ((fp = g_fopen(file, "rb")) == NULL) {
1398 			FILE_OP_ERROR(file, "folder_item_move_msgs: fopen");
1399 			g_free(file);
1400 			return -1;
1401 		}
1402 		while (fgets(buf, sizeof(buf), fp) != NULL) {
1403 			if (buf[0] == '\r' || buf[0] == '\n')
1404 				break;
1405 		}
1406 		if (ferror(fp)) {
1407 			fclose(fp);
1408 			g_free(file);
1409 			return -1;
1410 		}
1411 
1412 		dest_file = get_tmp_file();
1413 		debug_print("copy queued msg: %s -> %s\n", file, dest_file);
1414 
1415 		if (copy_file_part(fp, ftell(fp), G_MAXINT, dest_file) < 0) {
1416 			fclose(fp);
1417 			is_error = TRUE;
1418 		} else {
1419 			fclose(fp);
1420 			if (folder_item_add_msg(dest, dest_file, &flags, TRUE) < 0) {
1421 				g_unlink(dest_file);
1422 				is_error = TRUE;
1423 			} else if (is_move &&
1424 				   folder_item_remove_msg(src, msginfo) < 0)
1425 				is_error = TRUE;
1426 		}
1427 
1428 		g_free(dest_file);
1429 		g_free(file);
1430 		if (is_error)
1431 			return -1;
1432 	}
1433 
1434 	return 0;
1435 }
1436 
procmsg_get_message_file_path(MsgInfo * msginfo)1437 gchar *procmsg_get_message_file_path(MsgInfo *msginfo)
1438 {
1439 	gchar *path, *file;
1440 
1441 	g_return_val_if_fail(msginfo != NULL, NULL);
1442 
1443 	if (msginfo->encinfo && msginfo->encinfo->plaintext_file)
1444 		file = g_strdup(msginfo->encinfo->plaintext_file);
1445 	else if (msginfo->file_path)
1446 		return g_strdup(msginfo->file_path);
1447 	else {
1448 		gchar nstr[16];
1449 		path = folder_item_get_path(msginfo->folder);
1450 		file = g_strconcat(path, G_DIR_SEPARATOR_S,
1451 				   utos_buf(nstr, msginfo->msgnum), NULL);
1452 		g_free(path);
1453 	}
1454 
1455 	return file;
1456 }
1457 
procmsg_get_message_file(MsgInfo * msginfo)1458 gchar *procmsg_get_message_file(MsgInfo *msginfo)
1459 {
1460 	gchar *filename = NULL;
1461 
1462 	g_return_val_if_fail(msginfo != NULL, NULL);
1463 
1464 	if (msginfo->file_path)
1465 		return g_strdup(msginfo->file_path);
1466 
1467 	filename = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1468 	if (!filename)
1469 		debug_print(_("can't fetch message %d\n"), msginfo->msgnum);
1470 
1471 	return filename;
1472 }
1473 
procmsg_get_message_file_list(GSList * mlist)1474 GSList *procmsg_get_message_file_list(GSList *mlist)
1475 {
1476 	GSList *file_list = NULL;
1477 	MsgInfo *msginfo;
1478 	MsgFileInfo *fileinfo;
1479 	gchar *file;
1480 
1481 	while (mlist != NULL) {
1482 		msginfo = (MsgInfo *)mlist->data;
1483 		file = procmsg_get_message_file(msginfo);
1484 		if (!file) {
1485 			procmsg_message_file_list_free(file_list);
1486 			return NULL;
1487 		}
1488 		fileinfo = g_new(MsgFileInfo, 1);
1489 		fileinfo->file = file;
1490 		fileinfo->flags = g_new(MsgFlags, 1);
1491 		*fileinfo->flags = msginfo->flags;
1492 		file_list = g_slist_prepend(file_list, fileinfo);
1493 		mlist = mlist->next;
1494 	}
1495 
1496 	file_list = g_slist_reverse(file_list);
1497 
1498 	return file_list;
1499 }
1500 
procmsg_message_file_list_free(GSList * file_list)1501 void procmsg_message_file_list_free(GSList *file_list)
1502 {
1503 	GSList *cur;
1504 	MsgFileInfo *fileinfo;
1505 
1506 	for (cur = file_list; cur != NULL; cur = cur->next) {
1507 		fileinfo = (MsgFileInfo *)cur->data;
1508 		g_free(fileinfo->file);
1509 		g_free(fileinfo->flags);
1510 		g_free(fileinfo);
1511 	}
1512 
1513 	g_slist_free(file_list);
1514 }
1515 
procmsg_open_message(MsgInfo * msginfo)1516 FILE *procmsg_open_message(MsgInfo *msginfo)
1517 {
1518 	FILE *fp;
1519 	gchar *file;
1520 
1521 	g_return_val_if_fail(msginfo != NULL, NULL);
1522 
1523 	file = procmsg_get_message_file_path(msginfo);
1524 	g_return_val_if_fail(file != NULL, NULL);
1525 
1526 	if (!is_file_exist(file)) {
1527 		g_free(file);
1528 		file = procmsg_get_message_file(msginfo);
1529 		if (!file)
1530 			return NULL;
1531 	}
1532 
1533 	if ((fp = g_fopen(file, "rb")) == NULL) {
1534 		FILE_OP_ERROR(file, "procmsg_open_message: fopen");
1535 		g_free(file);
1536 		return NULL;
1537 	}
1538 
1539 	g_free(file);
1540 
1541 	if (MSG_IS_QUEUED(msginfo->flags)) {
1542 		gchar buf[BUFFSIZE];
1543 
1544 		while (fgets(buf, sizeof(buf), fp) != NULL)
1545 			if (buf[0] == '\r' || buf[0] == '\n') break;
1546 	}
1547 
1548 	return fp;
1549 }
1550 
1551 static DecryptMessageFunc decrypt_message_func = NULL;
1552 static gboolean auto_decrypt = TRUE;
1553 
procmsg_set_decrypt_message_func(DecryptMessageFunc func)1554 void procmsg_set_decrypt_message_func(DecryptMessageFunc func)
1555 {
1556 	decrypt_message_func = func;
1557 }
1558 
procmsg_set_auto_decrypt_message(gboolean enabled)1559 void procmsg_set_auto_decrypt_message(gboolean enabled)
1560 {
1561 	auto_decrypt = enabled;
1562 }
1563 
procmsg_open_message_decrypted(MsgInfo * msginfo,MimeInfo ** mimeinfo)1564 FILE *procmsg_open_message_decrypted(MsgInfo *msginfo, MimeInfo **mimeinfo)
1565 {
1566 	FILE *fp;
1567 
1568 	if (decrypt_message_func && auto_decrypt)
1569 		return decrypt_message_func(msginfo, mimeinfo);
1570 
1571 	*mimeinfo = NULL;
1572 	if ((fp = procmsg_open_message(msginfo)) == NULL)
1573 		return NULL;
1574 	*mimeinfo = procmime_scan_mime_header(fp);
1575 
1576 	return fp;
1577 }
1578 
procmsg_msg_exist(MsgInfo * msginfo)1579 gboolean procmsg_msg_exist(MsgInfo *msginfo)
1580 {
1581 	gchar *path;
1582 	gboolean ret;
1583 
1584 	if (!msginfo) return FALSE;
1585 
1586 	path = folder_item_get_path(msginfo->folder);
1587 	change_dir(path);
1588 	ret = !folder_item_is_msg_changed(msginfo->folder, msginfo);
1589 	g_free(path);
1590 
1591 	return ret;
1592 }
1593 
procmsg_trash_messages_exist(void)1594 gboolean procmsg_trash_messages_exist(void)
1595 {
1596 	FolderItem *trash;
1597 	GList *cur;
1598 
1599 	for (cur = folder_get_list(); cur != NULL; cur = cur->next) {
1600 		trash = FOLDER(cur->data)->trash;
1601 		if (trash && trash->total > 0)
1602 			return TRUE;
1603 	}
1604 
1605 	return FALSE;
1606 }
1607 
procmsg_empty_trash(FolderItem * trash)1608 void procmsg_empty_trash(FolderItem *trash)
1609 {
1610 	if (!trash)
1611 		return;
1612 
1613 	g_return_if_fail(trash->stype == F_TRASH || trash->stype == F_JUNK);
1614 
1615 	if (trash->total > 0) {
1616 		debug_print("Emptying messages in %s ...\n", trash->path);
1617 
1618 		folder_item_remove_all_msg(trash);
1619 		procmsg_clear_cache(trash);
1620 		procmsg_clear_mark(trash);
1621 		trash->cache_dirty = FALSE;
1622 		trash->mark_dirty = FALSE;
1623 	}
1624 }
1625 
procmsg_empty_all_trash(void)1626 void procmsg_empty_all_trash(void)
1627 {
1628 	FolderItem *trash;
1629 	GList *cur;
1630 
1631 	for (cur = folder_get_list(); cur != NULL; cur = cur->next) {
1632 		trash = FOLDER(cur->data)->trash;
1633 		procmsg_empty_trash(trash);
1634 	}
1635 }
1636 
remove_all_cached_messages_func(GNode * node,gpointer data)1637 static gboolean remove_all_cached_messages_func(GNode *node, gpointer data)
1638 {
1639 	FolderItem *item;
1640 	gchar *dir;
1641 
1642 	g_return_val_if_fail(node->data != NULL, FALSE);
1643 
1644 	item = FOLDER_ITEM(node->data);
1645 	if (!item->path || item->stype == F_VIRTUAL)
1646 		return FALSE;
1647 
1648 	dir = folder_item_get_path(item);
1649 	if (is_dir_exist(dir)) {
1650 		debug_print("removing all cached messages in '%s' ...\n",
1651 			    item->path);
1652 		remove_all_numbered_files(dir);
1653 	}
1654 	g_free(dir);
1655 
1656 	return FALSE;
1657 }
1658 
procmsg_remove_all_cached_messages(Folder * folder)1659 void procmsg_remove_all_cached_messages(Folder *folder)
1660 {
1661 	g_return_if_fail(folder != NULL);
1662 	g_return_if_fail(FOLDER_IS_REMOTE(folder));
1663 
1664 	debug_print("Removing all caches in the mailbox '%s' ...\n",
1665 		    folder->name);
1666 
1667 	g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1668 			remove_all_cached_messages_func, NULL);
1669 }
1670 
procmsg_save_to_outbox(FolderItem * outbox,const gchar * file)1671 gint procmsg_save_to_outbox(FolderItem *outbox, const gchar *file)
1672 {
1673 	gint num;
1674 	MsgFlags flag = {0, 0};
1675 
1676 	debug_print("saving sent message...\n");
1677 
1678 	if (!outbox)
1679 		outbox = folder_get_default_outbox();
1680 	g_return_val_if_fail(outbox != NULL, -1);
1681 
1682 	folder_item_scan(outbox);
1683 	if ((num = folder_item_add_msg(outbox, file, &flag, FALSE)) < 0) {
1684 		g_warning("can't save message\n");
1685 		return -1;
1686 	}
1687 	procmsg_flush_folder(outbox);
1688 
1689 	return 0;
1690 }
1691 
1692 static guint print_id = 0;
1693 
print_command_exec(const gchar * file,const gchar * cmdline)1694 static gint print_command_exec(const gchar *file, const gchar *cmdline)
1695 {
1696 	static const gchar *def_cmd = "lpr %s";
1697 	gchar buf[1024];
1698 
1699 #ifdef G_OS_WIN32
1700 	if (canonicalize_file_replace(file) < 0)
1701 		return -1;
1702 #endif
1703 
1704 	if (cmdline && str_find_format_times(cmdline, 's') == 1)
1705 		g_snprintf(buf, sizeof(buf) - 1, cmdline, file);
1706 	else {
1707 		if (cmdline) {
1708 			g_warning(_("Print command line is invalid: `%s'\n"),
1709 				  cmdline);
1710 			return -1;
1711 		}
1712 
1713 #ifdef G_OS_WIN32
1714 		execute_print_file(file);
1715 		return 0;
1716 #else
1717 		g_snprintf(buf, sizeof(buf) - 1, def_cmd, file);
1718 #endif
1719 	}
1720 
1721 	g_strchomp(buf);
1722 	if (buf[strlen(buf) - 1] != '&')
1723 		strcat(buf, "&");
1724 
1725 	if (system(buf) != 0)
1726 		return -1;
1727 
1728 	return 0;
1729 }
1730 
procmsg_write_headers(MsgInfo * msginfo,MimeInfo * partinfo,FILE * fp,FILE * dest_fp,const gchar * encoding,gboolean all_headers)1731 static void procmsg_write_headers(MsgInfo *msginfo, MimeInfo *partinfo,
1732 				  FILE *fp, FILE *dest_fp,
1733 				  const gchar *encoding, gboolean all_headers)
1734 {
1735 	GPtrArray *headers;
1736 	gint i;
1737 
1738 	if (all_headers)
1739 		headers = procheader_get_header_array_asis(fp, NULL);
1740 	else
1741 		headers = procheader_get_header_array_for_display(fp, NULL);
1742 
1743 	for (i = 0; i < headers->len; i++) {
1744 		Header *hdr;
1745 		gchar *file_str;
1746 		const gchar *body;
1747 
1748 		hdr = g_ptr_array_index(headers, i);
1749 
1750 		if (partinfo) {
1751 			if (!g_ascii_strcasecmp(hdr->name, "Subject") ||
1752 			    !g_ascii_strcasecmp(hdr->name, "From") ||
1753 			    !g_ascii_strcasecmp(hdr->name, "To") ||
1754 			    !g_ascii_strcasecmp(hdr->name, "Cc")) {
1755 				unfold_line(hdr->body);
1756 			}
1757 
1758 			body = hdr->body;
1759 			while (g_ascii_isspace(*body))
1760 				body++;
1761 		} else {
1762 			if (!g_ascii_strcasecmp(hdr->name, "Subject"))
1763 				body = msginfo->subject;
1764 			else if (!g_ascii_strcasecmp(hdr->name, "From"))
1765 				body = msginfo->from;
1766 			else if (!g_ascii_strcasecmp(hdr->name, "To"))
1767 				body = msginfo->to;
1768 			else if (!g_ascii_strcasecmp(hdr->name, "Cc")) {
1769 				unfold_line(hdr->body);
1770 				body = hdr->body;
1771 				while (g_ascii_isspace(*body))
1772 					body++;
1773 			} else {
1774 				body = hdr->body;
1775 				while (g_ascii_isspace(*body))
1776 					body++;
1777 			}
1778 		}
1779 
1780 		if (body && *body != '\0') {
1781 			file_str = conv_codeset_strdup
1782 				(body, CS_INTERNAL, encoding);
1783 			fprintf(dest_fp, "%s: %s\n", hdr->name,
1784 				file_str ? file_str : body);
1785 			g_free(file_str);
1786 		} else {
1787 			fprintf(dest_fp, "%s: (none)\n", hdr->name);
1788 		}
1789 	}
1790 
1791 	procheader_header_array_destroy(headers);
1792 }
1793 
procmsg_print_message(MsgInfo * msginfo,const gchar * cmdline,gboolean all_headers)1794 void procmsg_print_message(MsgInfo *msginfo, const gchar *cmdline,
1795 			   gboolean all_headers)
1796 {
1797 	gchar *prtmp;
1798 
1799 	g_return_if_fail(msginfo != NULL);
1800 
1801 	prtmp = g_strdup_printf("%s%cprinttmp-%08x.txt",
1802 				get_mime_tmp_dir(), G_DIR_SEPARATOR,
1803 				print_id++);
1804 
1805 	if (procmsg_save_message_as_text(msginfo, prtmp,
1806 					 conv_get_locale_charset_str(),
1807 					 all_headers) == 0)
1808 		print_command_exec(prtmp, cmdline);
1809 
1810 	g_free(prtmp);
1811 }
1812 
procmsg_print_message_part(MsgInfo * msginfo,MimeInfo * partinfo,const gchar * cmdline,gboolean all_headers)1813 void procmsg_print_message_part(MsgInfo *msginfo, MimeInfo *partinfo,
1814 				const gchar *cmdline, gboolean all_headers)
1815 {
1816 	FILE *msgfp, *tmpfp, *prfp;
1817 	gchar *prtmp;
1818 	gchar buf[BUFFSIZE];
1819 
1820 	if ((msgfp = procmsg_open_message(msginfo)) == NULL) {
1821 		return;
1822 	}
1823 
1824 	if ((tmpfp = procmime_get_text_content
1825 		(partinfo, msgfp, conv_get_locale_charset_str())) == NULL) {
1826 		fclose(msgfp);
1827 		return;
1828 	}
1829 	fclose(msgfp);
1830 
1831 	prtmp = g_strdup_printf("%s%cprinttmp-%08x.txt",
1832 				get_mime_tmp_dir(), G_DIR_SEPARATOR,
1833 				print_id++);
1834 	if ((prfp = g_fopen(prtmp, "w")) == NULL) {
1835 		FILE_OP_ERROR(prtmp, "procmsg_print_message_part: fopen");
1836 		g_free(prtmp);
1837 		fclose(tmpfp);
1838 		return;
1839 	}
1840 
1841 	while (fgets(buf, sizeof(buf), tmpfp) != NULL)
1842 		fputs(buf, prfp);
1843 
1844 	fclose(prfp);
1845 	fclose(tmpfp);
1846 
1847 	print_command_exec(prtmp, cmdline);
1848 
1849 	g_free(prtmp);
1850 }
1851 
procmsg_save_message_as_text(MsgInfo * msginfo,const gchar * dest,const gchar * encoding,gboolean all_headers)1852 gint procmsg_save_message_as_text(MsgInfo *msginfo, const gchar *dest,
1853 				  const gchar *encoding, gboolean all_headers)
1854 {
1855 	MimeInfo *mimeinfo, *partinfo;
1856 	FILE *fp;
1857 	FILE *tmpfp;
1858 	FILE *destfp;
1859 	gchar buf[BUFFSIZE];
1860 	gchar *part_str;
1861 	gint ret = 0;
1862 
1863 	g_return_val_if_fail(msginfo != NULL, -1);
1864 	g_return_val_if_fail(dest != NULL, -1);
1865 
1866 	mimeinfo = procmime_scan_message(msginfo);
1867 	if (!mimeinfo)
1868 		return -1;
1869 	if ((fp = procmsg_open_message(msginfo)) == NULL) {
1870 		procmime_mimeinfo_free_all(mimeinfo);
1871 		return -1;
1872 	}
1873 	if ((destfp = g_fopen(dest, "w")) == NULL) {
1874 		fclose(fp);
1875 		procmime_mimeinfo_free_all(mimeinfo);
1876 		return -1;
1877 	}
1878 	procmsg_write_headers(msginfo, mimeinfo, fp, destfp, encoding, all_headers);
1879 	fputc('\n', destfp);
1880 
1881 	partinfo = mimeinfo;
1882 
1883 	while (partinfo != NULL) {
1884 		if (fseek(fp, partinfo->fpos, SEEK_SET) < 0)
1885 			break;
1886 
1887 		if (partinfo->filename || partinfo->name)
1888 			g_snprintf(buf, sizeof(buf), "\n[%s  %s (%s)]\n",
1889 				   partinfo->filename ? partinfo->filename :
1890 				   partinfo->name,
1891 				   partinfo->content_type,
1892 				   to_human_readable(partinfo->content_size));
1893 		else
1894 			g_snprintf(buf, sizeof(buf), "\n[%s (%s)]\n",
1895 				   partinfo->content_type,
1896 				   to_human_readable(partinfo->content_size));
1897 		part_str = conv_codeset_strdup(buf, CS_INTERNAL, encoding);
1898 		if (!part_str)
1899 			part_str = g_strdup(buf);
1900 
1901 		if (partinfo->mime_type == MIME_TEXT ||
1902 		    partinfo->mime_type == MIME_TEXT_HTML) {
1903 			if (!partinfo->main &&
1904 			    partinfo->parent &&
1905 			    partinfo->parent->children != partinfo) {
1906 				fputs(part_str, destfp);
1907 			}
1908 
1909 			if ((tmpfp = procmime_get_text_content(partinfo, fp, encoding)) == NULL) {
1910 				g_free(part_str);
1911 				break;
1912 			}
1913 			while (fgets(buf, sizeof(buf), tmpfp) != NULL)
1914 				fputs(buf, destfp);
1915 
1916 			fclose(tmpfp);
1917 		} else if (partinfo->mime_type == MIME_MESSAGE_RFC822) {
1918 			fputs(part_str, destfp);
1919 			while (fgets(buf, sizeof(buf), fp) != NULL)
1920 				if (buf[0] == '\r' || buf[0] == '\n') break;
1921 			procmsg_write_headers(msginfo, partinfo, fp, destfp, encoding, all_headers);
1922 			fputc('\n', destfp);
1923 		} else if (partinfo->mime_type != MIME_MULTIPART) {
1924 			fputs(part_str, destfp);
1925 		}
1926 
1927 		g_free(part_str);
1928 
1929 		if (partinfo->parent && partinfo->parent->content_type &&
1930 		    !g_ascii_strcasecmp(partinfo->parent->content_type,
1931 					"multipart/alternative"))
1932 			partinfo = partinfo->parent->next;
1933 		else
1934 			partinfo = procmime_mimeinfo_next(partinfo);
1935 	}
1936 
1937 	if (fclose(destfp) == EOF) {
1938 		FILE_OP_ERROR(dest, "fclose");
1939 		g_unlink(dest);
1940 		ret = -1;
1941 	}
1942 
1943 	fclose(fp);
1944 	procmime_mimeinfo_free_all(mimeinfo);
1945 
1946 	return ret;
1947 }
1948 
1949 /**
1950  * procmsg_concat_partial_messages:
1951  * @mlist: list of MsgInfo* including message/partial messages.
1952  * @file: output file name of concatenated message.
1953  *
1954  * Concatenate @mlist which consists of message/partial messages and
1955  * output to @file. If @mlist has different partial id, the first one
1956  * is used.
1957  *
1958  * Return value: 0 on success, or -1 if failed.
1959  **/
procmsg_concat_partial_messages(GSList * mlist,const gchar * file)1960 gint procmsg_concat_partial_messages(GSList *mlist, const gchar *file)
1961 {
1962 	static HeaderEntry hentry[] = {{"Content-Type:", NULL, FALSE},
1963 				       {NULL, NULL, FALSE}};
1964 	FILE *fp;
1965 	gchar buf[BUFFSIZE];
1966 	FILE *tmp_fp;
1967 	gchar *part_id = NULL;
1968 	gint total = 0;
1969 	MsgInfo *msg_array[100] = {NULL};
1970 	MsgInfo *msginfo;
1971 	MimeInfo *mimeinfo;
1972 	GSList *cur;
1973 	gint i;
1974 
1975 	g_return_val_if_fail(mlist != NULL, -1);
1976 	g_return_val_if_fail(file != NULL, -1);
1977 
1978 	debug_print("procmsg_concat_partial_messages\n");
1979 
1980 	for (cur = mlist; cur != NULL; cur = cur->next) {
1981 		gint n = 0;
1982 		gint t = 0;
1983 		gchar *cur_id = NULL;
1984 
1985 		msginfo = (MsgInfo *)cur->data;
1986 
1987 		fp = procmsg_open_message_decrypted(msginfo, &mimeinfo);
1988 		if (!fp)
1989 			continue;
1990 		if (!mimeinfo->content_type ||
1991 		    g_ascii_strcasecmp(mimeinfo->content_type, "message/partial") != 0)
1992 			goto skip;
1993 
1994 		rewind(fp);
1995 		if (procheader_get_one_field(buf, sizeof(buf), fp, hentry) == -1)
1996 			goto skip;
1997 
1998 		procmime_scan_content_type_partial(buf + strlen(hentry[0].name),
1999 						   &t, &cur_id, &n);
2000 		if (n == 0 || n > 100 || t > 100 || (t > 0 && n > t)) {
2001 			debug_print("bad partial number (%d/%d), skip\n", n, t);
2002 			g_free(cur_id);
2003 			goto skip;
2004 		}
2005 
2006 		debug_print("partial: %d/%d id=%s\n", n, t, cur_id);
2007 		if (!part_id)
2008 			part_id = g_strdup(cur_id);
2009 		if (total == 0)
2010 			total = t;
2011 
2012 		if ((t > 0 && total != t) || (total > 0 && n > total) ||
2013 		    strcmp(part_id, cur_id) != 0) {
2014 			debug_print("skip\n");
2015 			g_free(cur_id);
2016 			goto skip;
2017 		}
2018 
2019 		msg_array[n - 1] = msginfo;
2020 
2021 		g_free(cur_id);
2022 skip:
2023 		procmime_mimeinfo_free_all(mimeinfo);
2024 		fclose(fp);
2025 	}
2026 
2027 	if (!part_id) {
2028 		debug_print("piece not found\n");
2029 		return -1;
2030 	}
2031 
2032 	debug_print("part_id = %s , total = %d\n", part_id, total);
2033 	g_free(part_id);
2034 
2035 	if (total == 0) {
2036 		debug_print("total number not found\n");
2037 		return -1;
2038 	}
2039 
2040 	/* check if all pieces exist */
2041 	for (i = 0; i < total; i++) {
2042 		if (msg_array[i] == NULL) {
2043 			debug_print("message part %d not exist\n", i + 1);
2044 			return -1;
2045 		}
2046 	}
2047 
2048 	/* concatenate parts */
2049 	if ((tmp_fp = g_fopen(file, "wb")) == NULL) {
2050 		FILE_OP_ERROR(file, "fopen");
2051 		return -1;
2052 	}
2053 
2054 	for (i = 0; i < total; i++) {
2055 		msginfo = msg_array[i];
2056 		off_t out_size;
2057 		gint empty_line_size = 0;
2058 
2059 		fp = procmsg_open_message_decrypted(msginfo, &mimeinfo);
2060 		if (!fp) {
2061 			g_warning("cannot open message part %d\n", i + 1);
2062 			fclose(tmp_fp);
2063 			g_unlink(file);
2064 			return -1;
2065 		}
2066 
2067 		/* write out first headers */
2068 		if (i == 0) {
2069 			rewind(fp);
2070 			while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
2071 				if (!g_ascii_strncasecmp(buf, "Content-", 8) ||
2072 				    !g_ascii_strncasecmp(buf, "Subject", 7) ||
2073 				    !g_ascii_strncasecmp(buf, "Message-ID", 10) ||
2074 				    !g_ascii_strncasecmp(buf, "Encrypted", 9) ||
2075 				    !g_ascii_strncasecmp(buf, "MIME-Version", 12))
2076 					continue;
2077 				fputs(buf, tmp_fp);
2078 				fputs("\n", tmp_fp);
2079 			}
2080 
2081 			while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
2082 				if (!g_ascii_strncasecmp(buf, "Content-", 8) ||
2083 				    !g_ascii_strncasecmp(buf, "Subject", 7) ||
2084 				    !g_ascii_strncasecmp(buf, "Message-ID", 10) ||
2085 				    !g_ascii_strncasecmp(buf, "Encrypted", 9) ||
2086 				    !g_ascii_strncasecmp(buf, "MIME-Version", 12)) {
2087 					fputs(buf, tmp_fp);
2088 					fputs("\n", tmp_fp);
2089 				}
2090 			}
2091 
2092 			/* header-body separator */
2093 			fputs("\n", tmp_fp);
2094 		}
2095 
2096 		out_size = get_left_file_size(fp);
2097 		if (out_size < 0) {
2098 			g_warning("cannot tell left file size of part %d\n", i + 1);
2099 			procmime_mimeinfo_free_all(mimeinfo);
2100 			fclose(fp);
2101 			fclose(tmp_fp);
2102 			g_unlink(file);
2103 			return -1;
2104 		}
2105 		empty_line_size = get_last_empty_line_size(fp, out_size);
2106 		if (empty_line_size < 0) {
2107 			g_warning("cannot get last empty line size of part %d\n", i + 1);
2108 			procmime_mimeinfo_free_all(mimeinfo);
2109 			fclose(fp);
2110 			fclose(tmp_fp);
2111 			g_unlink(file);
2112 			return -1;
2113 		}
2114 
2115 		if (append_file_part(fp, ftell(fp), out_size - empty_line_size,
2116 				     tmp_fp) < 0) {
2117 			g_warning("write failed\n");
2118 			procmime_mimeinfo_free_all(mimeinfo);
2119 			fclose(fp);
2120 			fclose(tmp_fp);
2121 			g_unlink(file);
2122 			return -1;
2123 		}
2124 
2125 		procmime_mimeinfo_free_all(mimeinfo);
2126 		fclose(fp);
2127 	}
2128 
2129 	fclose(tmp_fp);
2130 
2131 	return 0;
2132 }
2133 
procmsg_get_flags(FolderItem * item,gint num,MsgPermFlags * flags)2134 static gboolean procmsg_get_flags(FolderItem *item, gint num,
2135 				  MsgPermFlags *flags)
2136 {
2137 	FILE *fp;
2138 	guint32 idata;
2139 	gint read_num;
2140 	MsgPermFlags perm_flags;
2141 	gboolean found = FALSE;
2142 	GSList *cur;
2143 
2144 	if ((fp = procmsg_open_mark_file(item, DATA_READ)) == NULL)
2145 		return FALSE;
2146 
2147 	while (fread(&idata, sizeof(idata), 1, fp) == 1) {
2148 		read_num = idata;
2149 		if (fread(&idata, sizeof(idata), 1, fp) != 1)
2150 			break;
2151 		perm_flags = idata;
2152 		if (read_num == num) {
2153 			*flags = perm_flags;
2154 			found = TRUE;
2155 			break;
2156 		}
2157 	}
2158 
2159 	fclose(fp);
2160 	if (found)
2161 		return TRUE;
2162 
2163 	for (cur = item->mark_queue; cur != NULL; cur = cur->next) {
2164 		MsgFlagInfo *flaginfo = (MsgFlagInfo *)cur->data;
2165 
2166 		if (flaginfo->msgnum == num) {
2167 			*flags = flaginfo->flags.perm_flags;
2168 			found = TRUE;
2169 			break;
2170 		}
2171 	}
2172 
2173 	return found;
2174 }
2175 
procmsg_get_msginfo(FolderItem * item,gint num)2176 MsgInfo *procmsg_get_msginfo(FolderItem *item, gint num)
2177 {
2178 	MsgInfo *msginfo;
2179 	FolderType type;
2180 
2181 	g_return_val_if_fail(item->folder != NULL, NULL);
2182 
2183 	msginfo = folder_item_get_msginfo(item, num);
2184 	if (!msginfo)
2185 		return NULL;
2186 
2187 	type = FOLDER_TYPE(item->folder);
2188 	if (type == F_MH || type == F_IMAP) {
2189 		if (item->stype == F_QUEUE) {
2190 			MSG_SET_TMP_FLAGS(msginfo->flags, MSG_QUEUED);
2191 		} else if (item->stype == F_DRAFT) {
2192 			MSG_SET_TMP_FLAGS(msginfo->flags, MSG_DRAFT);
2193 		}
2194 	}
2195 	if (type == F_IMAP) {
2196 		MSG_SET_TMP_FLAGS(msginfo->flags, MSG_IMAP);
2197 	} else if (type == F_NEWS) {
2198 		MSG_SET_TMP_FLAGS(msginfo->flags, MSG_NEWS);
2199 	}
2200 
2201 	if (type == F_MH || type == F_NEWS) {
2202 		MsgPermFlags flags = 0;
2203 		if (procmsg_get_flags(item, num, &flags))
2204 			msginfo->flags.perm_flags = flags;
2205 	}
2206 
2207 	return msginfo;
2208 }
2209 
procmsg_msginfo_copy(MsgInfo * msginfo)2210 MsgInfo *procmsg_msginfo_copy(MsgInfo *msginfo)
2211 {
2212 	MsgInfo *newmsginfo;
2213 
2214 	if (msginfo == NULL) return NULL;
2215 
2216 	newmsginfo = g_new0(MsgInfo, 1);
2217 
2218 #define MEMBCOPY(mmb)	newmsginfo->mmb = msginfo->mmb
2219 #define MEMBDUP(mmb)	newmsginfo->mmb = msginfo->mmb ? \
2220 			g_strdup(msginfo->mmb) : NULL
2221 
2222 	MEMBCOPY(msgnum);
2223 	MEMBCOPY(size);
2224 	MEMBCOPY(mtime);
2225 	MEMBCOPY(date_t);
2226 
2227 	MEMBCOPY(flags);
2228 
2229 	MEMBDUP(fromname);
2230 
2231 	MEMBDUP(date);
2232 	MEMBDUP(from);
2233 	MEMBDUP(to);
2234 	MEMBDUP(cc);
2235 	MEMBDUP(newsgroups);
2236 	MEMBDUP(subject);
2237 	MEMBDUP(msgid);
2238 	MEMBDUP(inreplyto);
2239 
2240 	MEMBCOPY(folder);
2241 	MEMBCOPY(to_folder);
2242 
2243 	MEMBDUP(xface);
2244 
2245 	MEMBDUP(file_path);
2246 
2247 	if (msginfo->encinfo) {
2248 		newmsginfo->encinfo = g_new0(MsgEncryptInfo, 1);
2249 		MEMBDUP(encinfo->plaintext_file);
2250 		MEMBDUP(encinfo->sigstatus);
2251 		MEMBDUP(encinfo->sigstatus_full);
2252 		MEMBCOPY(encinfo->decryption_failed);
2253 	}
2254 
2255 	return newmsginfo;
2256 }
2257 
procmsg_msginfo_get_full_info(MsgInfo * msginfo)2258 MsgInfo *procmsg_msginfo_get_full_info(MsgInfo *msginfo)
2259 {
2260 	MsgInfo *full_msginfo;
2261 	gchar *file;
2262 
2263 	if (msginfo == NULL) return NULL;
2264 
2265 	file = procmsg_get_message_file(msginfo);
2266 	if (!file) {
2267 		g_warning("procmsg_msginfo_get_full_info(): can't get message file.\n");
2268 		return NULL;
2269 	}
2270 
2271 	full_msginfo = procheader_parse_file(file, msginfo->flags, TRUE);
2272 	g_free(file);
2273 	if (!full_msginfo) return NULL;
2274 
2275 	full_msginfo->msgnum = msginfo->msgnum;
2276 	full_msginfo->size = msginfo->size;
2277 	full_msginfo->mtime = msginfo->mtime;
2278 	full_msginfo->folder = msginfo->folder;
2279 	full_msginfo->to_folder = msginfo->to_folder;
2280 
2281 	full_msginfo->file_path = g_strdup(msginfo->file_path);
2282 
2283 	if (msginfo->encinfo) {
2284 		full_msginfo->encinfo = g_new0(MsgEncryptInfo, 1);
2285 		full_msginfo->encinfo->plaintext_file =
2286 			g_strdup(msginfo->encinfo->plaintext_file);
2287 		full_msginfo->encinfo->sigstatus =
2288 			g_strdup(msginfo->encinfo->sigstatus);
2289 		full_msginfo->encinfo->sigstatus_full =
2290 			g_strdup(msginfo->encinfo->sigstatus_full);
2291 		full_msginfo->encinfo->decryption_failed =
2292 			msginfo->encinfo->decryption_failed;
2293 	}
2294 
2295 	return full_msginfo;
2296 }
2297 
procmsg_msginfo_equal(MsgInfo * msginfo_a,MsgInfo * msginfo_b)2298 gboolean procmsg_msginfo_equal(MsgInfo *msginfo_a, MsgInfo *msginfo_b)
2299 {
2300 	if (!msginfo_a || !msginfo_b)
2301 		return FALSE;
2302 
2303 	if (msginfo_a == msginfo_b)
2304 		return TRUE;
2305 
2306 	if (msginfo_a->folder == msginfo_b->folder &&
2307 	    msginfo_a->msgnum == msginfo_b->msgnum &&
2308 	    msginfo_a->size   == msginfo_b->size   &&
2309 	    msginfo_a->mtime  == msginfo_b->mtime)
2310 		return TRUE;
2311 
2312 	return FALSE;
2313 }
2314 
procmsg_msginfo_free(MsgInfo * msginfo)2315 void procmsg_msginfo_free(MsgInfo *msginfo)
2316 {
2317 	if (msginfo == NULL) return;
2318 
2319 	g_free(msginfo->xface);
2320 
2321 	g_free(msginfo->fromname);
2322 
2323 	g_free(msginfo->date);
2324 	g_free(msginfo->from);
2325 	g_free(msginfo->to);
2326 	g_free(msginfo->cc);
2327 	g_free(msginfo->newsgroups);
2328 	g_free(msginfo->subject);
2329 	g_free(msginfo->msgid);
2330 	g_free(msginfo->inreplyto);
2331 
2332 	slist_free_strings(msginfo->references);
2333 	g_slist_free(msginfo->references);
2334 
2335 	g_free(msginfo->file_path);
2336 
2337 	if (msginfo->encinfo) {
2338 		g_free(msginfo->encinfo->plaintext_file);
2339 		g_free(msginfo->encinfo->sigstatus);
2340 		g_free(msginfo->encinfo->sigstatus_full);
2341 		g_free(msginfo->encinfo);
2342 	}
2343 
2344 	g_free(msginfo);
2345 }
2346 
procmsg_cmp_msgnum_for_sort(gconstpointer a,gconstpointer b)2347 gint procmsg_cmp_msgnum_for_sort(gconstpointer a, gconstpointer b)
2348 {
2349 	const MsgInfo *msginfo1 = a;
2350 	const MsgInfo *msginfo2 = b;
2351 
2352 	if (!msginfo1 || !msginfo2)
2353 		return 0;
2354 
2355 	return msginfo1->msgnum - msginfo2->msgnum;
2356 }
2357 
2358 #define CMP_FUNC_DEF(func_name, val)					\
2359 static gint func_name(gconstpointer a, gconstpointer b)			\
2360 {									\
2361 	const MsgInfo *msginfo1 = a;					\
2362 	const MsgInfo *msginfo2 = b;					\
2363 	gint ret;							\
2364 									\
2365 	if (!msginfo1 || !msginfo2)					\
2366 		return 0;						\
2367 									\
2368 	ret = (val);							\
2369 	if (ret == 0)							\
2370 		ret = msginfo1->date_t - msginfo2->date_t;		\
2371 									\
2372 	return ret * (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);	\
2373 }
2374 
2375 CMP_FUNC_DEF(procmsg_cmp_by_mark,
2376 	     MSG_IS_MARKED(msginfo1->flags) - MSG_IS_MARKED(msginfo2->flags))
2377 CMP_FUNC_DEF(procmsg_cmp_by_unread,
2378 	     MSG_IS_UNREAD(msginfo1->flags) - MSG_IS_UNREAD(msginfo2->flags))
2379 CMP_FUNC_DEF(procmsg_cmp_by_mime,
2380 	     MSG_IS_MIME(msginfo1->flags) - MSG_IS_MIME(msginfo2->flags))
2381 CMP_FUNC_DEF(procmsg_cmp_by_label,
2382 	     MSG_GET_COLORLABEL(msginfo1->flags) -
2383 	     MSG_GET_COLORLABEL(msginfo2->flags))
2384 CMP_FUNC_DEF(procmsg_cmp_by_size, msginfo1->size - msginfo2->size)
2385 
2386 #undef CMP_FUNC_DEF
2387 #define CMP_FUNC_DEF(func_name, val)					\
2388 static gint func_name(gconstpointer a, gconstpointer b)			\
2389 {									\
2390 	const MsgInfo *msginfo1 = a;					\
2391 	const MsgInfo *msginfo2 = b;					\
2392 									\
2393 	if (!msginfo1 || !msginfo2)					\
2394 		return 0;						\
2395 									\
2396 	return (val) * (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);	\
2397 }
2398 
2399 CMP_FUNC_DEF(procmsg_cmp_by_number, msginfo1->msgnum - msginfo2->msgnum)
2400 CMP_FUNC_DEF(procmsg_cmp_by_date, msginfo1->date_t - msginfo2->date_t)
2401 
2402 #undef CMP_FUNC_DEF
2403 #define CMP_FUNC_DEF(func_name, var_name)				\
2404 static gint func_name(gconstpointer a, gconstpointer b)			\
2405 {									\
2406 	const MsgInfo *msginfo1 = a;					\
2407 	const MsgInfo *msginfo2 = b;					\
2408 	gint ret;							\
2409 									\
2410 	if (!msginfo1->var_name)					\
2411 		return (msginfo2->var_name != NULL) *			\
2412 			(cmp_func_sort_type == SORT_ASCENDING ? -1 : 1);\
2413 	if (!msginfo2->var_name)					\
2414 		return (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);	\
2415 									\
2416 	ret = g_ascii_strcasecmp					\
2417 		(msginfo1->var_name, msginfo2->var_name);		\
2418 	if (ret == 0)							\
2419 		ret = msginfo1->date_t - msginfo2->date_t;		\
2420 									\
2421 	return ret * (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);	\
2422 }
2423 
CMP_FUNC_DEF(procmsg_cmp_by_from,fromname)2424 CMP_FUNC_DEF(procmsg_cmp_by_from, fromname)
2425 CMP_FUNC_DEF(procmsg_cmp_by_to, to)
2426 
2427 #undef CMP_FUNC_DEF
2428 
2429 static gint procmsg_cmp_by_subject(gconstpointer a, gconstpointer b)
2430 {
2431 	const MsgInfo *msginfo1 = a;
2432 	const MsgInfo *msginfo2 = b;
2433 	gint ret;
2434 
2435 	if (!msginfo1->subject)
2436 		return (msginfo2->subject != NULL) *
2437 			(cmp_func_sort_type == SORT_ASCENDING ? -1 : 1);
2438 	if (!msginfo2->subject)
2439 		return (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);
2440 
2441 	ret = subject_compare_for_sort(msginfo1->subject, msginfo2->subject);
2442 	if (ret == 0)
2443 		ret = msginfo1->date_t - msginfo2->date_t;
2444 
2445 	return ret * (cmp_func_sort_type == SORT_ASCENDING ? 1 : -1);
2446 }
2447