aboutsummaryrefslogtreecommitdiffstats
path: root/camel/providers/mbox/camel-mbox-summary.c
blob: 56ff1cb198dab3cbef28401b6875fff6de2e8e0f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
/*
 *  Copyright (C) 2000 Helix Code Inc.
 *
 *  Authors: Michael Zucchi <notzed@helixcode.com>
 *
 *  This program is free software; you can redistribute it and/or 
 *  modify it under the terms of the GNU General Public License as 
 *  published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA
 */

#include "camel-mbox-summary.h"
#include <camel/camel-mime-message.h>

#include <sys/stat.h>
#include <sys/uio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>

#define io(x)
#define d(x)

#define CAMEL_MBOX_SUMMARY_VERSION (0x1000)

struct _CamelMboxSummaryPrivate {
};

#define _PRIVATE(o) (((CamelMboxSummary *)(o))->priv)

static int summary_header_load(CamelFolderSummary *, FILE *);
static int summary_header_save(CamelFolderSummary *, FILE *);

static CamelMessageInfo * message_info_new(CamelFolderSummary *, struct _header_raw *);
static CamelMessageInfo * message_info_new_from_parser(CamelFolderSummary *, CamelMimeParser *);
static CamelMessageInfo * message_info_load(CamelFolderSummary *, FILE *);
static int        message_info_save(CamelFolderSummary *, FILE *, CamelMessageInfo *);
/*static void         message_info_free(CamelFolderSummary *, CamelMessageInfo *);*/

static void camel_mbox_summary_class_init (CamelMboxSummaryClass *klass);
static void camel_mbox_summary_init       (CamelMboxSummary *obj);
static void camel_mbox_summary_finalise   (GtkObject *obj);

static CamelFolderSummaryClass *camel_mbox_summary_parent;

enum SIGNALS {
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

guint
camel_mbox_summary_get_type (void)
{
    static guint type = 0;
    
    if (!type) {
        GtkTypeInfo type_info = {
            "CamelMboxSummary",
            sizeof (CamelMboxSummary),
            sizeof (CamelMboxSummaryClass),
            (GtkClassInitFunc) camel_mbox_summary_class_init,
            (GtkObjectInitFunc) camel_mbox_summary_init,
            (GtkArgSetFunc) NULL,
            (GtkArgGetFunc) NULL
        };
        
        type = gtk_type_unique (camel_folder_summary_get_type (), &type_info);
    }
    
    return type;
}

static void
camel_mbox_summary_class_init (CamelMboxSummaryClass *klass)
{
    GtkObjectClass *object_class = (GtkObjectClass *) klass;
    CamelFolderSummaryClass *sklass = (CamelFolderSummaryClass *) klass;
    
    camel_mbox_summary_parent = gtk_type_class (camel_folder_summary_get_type ());

    object_class->finalize = camel_mbox_summary_finalise;

    sklass->summary_header_load = summary_header_load;
    sklass->summary_header_save = summary_header_save;

    sklass->message_info_new  = message_info_new;
    sklass->message_info_new_from_parser = message_info_new_from_parser;
    sklass->message_info_load = message_info_load;
    sklass->message_info_save = message_info_save;
    /*sklass->message_info_free = message_info_free;*/

    gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}

static void
camel_mbox_summary_init (CamelMboxSummary *obj)
{
    struct _CamelMboxSummaryPrivate *p;
    struct _CamelFolderSummary *s = (CamelFolderSummary *)obj;

    p = _PRIVATE(obj) = g_malloc0(sizeof(*p));

    /* subclasses need to set the right instance data sizes */
    s->message_info_size = sizeof(CamelMboxMessageInfo);
    s->content_info_size = sizeof(CamelMboxMessageContentInfo);

    /* and a unique file version */
    s->version = CAMEL_MBOX_SUMMARY_VERSION;
}

static void
camel_mbox_summary_finalise (GtkObject *obj)
{
    CamelMboxSummary *mbs = (CamelMboxSummary *)obj;

    g_free(mbs->folder_path);

    ((GtkObjectClass *)(camel_mbox_summary_parent))->finalize((GtkObject *)obj);
}

/**
 * camel_mbox_summary_new:
 *
 * Create a new CamelMboxSummary object.
 * 
 * Return value: A new CamelMboxSummary widget.
 **/
CamelMboxSummary *
camel_mbox_summary_new (const char *filename, const char *mbox_name, ibex *index)
{
    CamelMboxSummary *new = CAMEL_MBOX_SUMMARY ( gtk_type_new (camel_mbox_summary_get_type ()));
    if (new) {
        /* ?? */
        camel_folder_summary_set_build_content((CamelFolderSummary *)new, TRUE);
        camel_folder_summary_set_filename((CamelFolderSummary *)new, filename);
        new->folder_path = g_strdup(mbox_name);
        new->index = index;
    }
    return new;
}


static int summary_header_load(CamelFolderSummary *s, FILE *in)
{
    CamelMboxSummary *mbs = (CamelMboxSummary *)s;

    if (((CamelFolderSummaryClass *)camel_mbox_summary_parent)->summary_header_load(s, in) == -1)
        return -1;

    return camel_folder_summary_decode_uint32(in, &mbs->folder_size);
}

static int summary_header_save(CamelFolderSummary *s, FILE *out)
{
    CamelMboxSummary *mbs = (CamelMboxSummary *)s;

    if (((CamelFolderSummaryClass *)camel_mbox_summary_parent)->summary_header_save(s, out) == -1)
        return -1;

    return camel_folder_summary_encode_uint32(out, mbs->folder_size);
}

static int
header_evolution_decode(const char *in, guint32 *uid, guint32 *flags)
{
        char *header;
        if (in
            && (header = header_token_decode(in))) {
                if (strlen(header) == strlen("00000000-0000")
                    && sscanf(header, "%08x-%04x", uid, flags) == 2) {
                        g_free(header);
                        return *uid;
                }
                g_free(header);
        }

        return -1;
}

static char *
header_evolution_encode(guint32 uid, guint32 flags)
{
    return g_strdup_printf("%08x-%04x", uid, flags & 0xffff);
}

static CamelMessageInfo * message_info_new(CamelFolderSummary *s, struct _header_raw *h)
{
    CamelMessageInfo *mi;

    mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_new(s, h);
    if (mi) {
        const char *xev;
        guint32 uid, flags;
        CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;

        xev = header_raw_find(&h, "X-Evolution", NULL);
        if (xev
            && header_evolution_decode(xev, &uid, &flags) != -1) {
            g_free(mi->uid);
            mi->uid = g_strdup_printf("%u", uid);
            mi->flags = flags;
        } else {
            /* to indicate it has no xev header? */
            mi->flags |= CAMEL_MESSAGE_FOLDER_FLAGGED|CAMEL_MESSAGE_FOLDER_NOXEV;
            mi->uid = g_strdup_printf("%u", camel_folder_summary_next_uid(s));
        }
        mbi->frompos = -1;
    }
    return mi;
}

static CamelMessageInfo * message_info_new_from_parser(CamelFolderSummary *s, CamelMimeParser *mp)
{
    CamelMessageInfo *mi;
    CamelMboxSummary *mbs = (CamelMboxSummary *)s;

    mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_new_from_parser(s, mp);
    if (mi) {
        CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;

        mbi->frompos = camel_mime_parser_tell_start_from(mp);

        /* do we want to index this message as we add it, as well? */
        if (mbs->index_force
            || (mi->flags & CAMEL_MESSAGE_FOLDER_FLAGGED) != 0
            || !ibex_contains_name(mbs->index, mi->uid)) {
            camel_folder_summary_set_index(s, mbs->index);
        } else {
            camel_folder_summary_set_index(s, NULL);
        }
    }
    return mi;
}

static CamelMessageInfo * message_info_load(CamelFolderSummary *s, FILE *in)
{
    CamelMessageInfo *mi;

    io(printf("loading mbox message info\n"));

    mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_load(s, in);
    if (mi) {
        CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;

        camel_folder_summary_decode_uint32(in, &mbi->frompos);
    }
    return mi;
}

static int        message_info_save(CamelFolderSummary *s, FILE *out, CamelMessageInfo *mi)
{
    CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;

    io(printf("saving mbox message info\n"));

    ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_save(s, out, mi);

    return camel_folder_summary_encode_uint32(out, mbi->frompos);
}

static int
summary_rebuild(CamelMboxSummary *mbs, off_t offset)
{
    CamelMimeParser *mp;
    int fd;
    int ok = 0;

    printf("(re)Building summary from %d (%s)\n", (int)offset, mbs->folder_path);

    fd = open(mbs->folder_path, O_RDONLY);
    mp = camel_mime_parser_new();
    camel_mime_parser_init_with_fd(mp, fd);
    camel_mime_parser_scan_from(mp, TRUE);
    camel_mime_parser_seek(mp, offset, SEEK_SET);

    if (offset > 0) {
        if (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) {
            if (camel_mime_parser_tell_start_from(mp) != offset) {
                g_warning("The next message didn't start where I expected\nbuilding summary from start");
                camel_mime_parser_drop_step(mp);
                offset = 0;
                camel_mime_parser_seek(mp, offset, SEEK_SET);
                camel_folder_summary_clear((CamelFolderSummary *)mbs);
            } else {
                camel_mime_parser_unstep(mp);
            }
        } else {
            gtk_object_unref((GtkObject *)mp);
            /* end of file - no content? */
            return 0;
        }
    }

    while (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) {
        CamelMessageInfo *info;

        info = camel_folder_summary_add_from_parser((CamelFolderSummary *)mbs, mp);
        if (info == NULL) {
            ok = -1;
            break;
        }

        g_assert(camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM_END);
    }

    gtk_object_unref((GtkObject *)mp);

    return ok;
}

int
camel_mbox_summary_update(CamelMboxSummary *mbs, off_t offset)
{
    int ret;

    mbs->index_force = FALSE;
    ret = summary_rebuild(mbs, offset);

#if 0
#warning "Saving full summary and index after every summarisation is slow ..."
    if (ret != -1) {
        if (camel_folder_summary_save((CamelFolderSummary *)mbs) == -1)
            g_warning("Could not save summary: %s", strerror(errno));
        printf("summary saved\n");
        if (mbs->index)
            ibex_save(mbs->index);
        printf("ibex saved\n");
    }
#endif
    return ret;
}

int
camel_mbox_summary_load(CamelMboxSummary *mbs, int forceindex)
{
    CamelFolderSummary *s = (CamelFolderSummary *)mbs;
    struct stat st;
    int ret = 0;
    off_t minstart;

    mbs->index_force = forceindex;

    /* is the summary out of date? */
    if (stat(mbs->folder_path, &st) == -1) {
        camel_folder_summary_clear(s);
        printf("Cannot summarise folder: '%s': %s\n", mbs->folder_path, strerror(errno));
        return -1;
    }

    if (forceindex || camel_folder_summary_load(s) == -1) {
        camel_folder_summary_clear(s);
        ret = summary_rebuild(mbs, 0);
    } else {
        minstart = st.st_size;
#if 0
        /* find out the first unindexed message ... */
        /* TODO: For this to work, it has to check that the message is
           indexable, and contains content ... maybe it cannot be done 
           properly? */
        for (i=0;i<camel_folder_summary_count(s);i++) {
            CamelMessageInfo *mi = camel_folder_summary_index(s, i);
            if (!ibex_contains_name(mbs->index, mi->uid)) {
                minstart = ((CamelMboxMessageInfo *)mi)->frompos;
                printf("Found unindexed message: %s\n", mi->uid);
                break;
            }
        }
#endif
        /* is the summary uptodate? */
        if (st.st_size == mbs->folder_size && st.st_mtime == s->time) {
            printf("Summary time and date match mbox\n");
            if (minstart < st.st_size) {
                /* FIXME: Only clear the messages and reindex from this point forward */
                camel_folder_summary_clear(s);
                ret = summary_rebuild(mbs, 0);
            }
        } else {
            if (mbs->folder_size < st.st_size) {
                printf("Index is for a smaller mbox\n");
                if (minstart < mbs->folder_size) {
                    /* FIXME: only make it rebuild as necessary */
                    camel_folder_summary_clear(s);
                    ret = summary_rebuild(mbs, 0);
                } else {
                    ret = summary_rebuild(mbs, mbs->folder_size);
                }
            } else {
                printf("index is for a bigger mbox\n");
                camel_folder_summary_clear(s);
                ret = summary_rebuild(mbs, 0);
            }
        }
    }

    if (ret != -1) {
        mbs->folder_size = st.st_size;
        s->time = st.st_mtime;
        printf("saving summary\n");
        if (camel_folder_summary_save(s) == -1)
            g_warning("Could not save summary: %s", strerror(errno));
        printf("summary saved\n");
        if (mbs->index)
            ibex_save(mbs->index);
        printf("ibex saved\n");
    }

    return ret;
}

static int
header_write(int fd, struct _header_raw *header, char *xevline)
{
        struct iovec iv[4];
        int outlen = 0, len;

        iv[1].iov_base = ":";
        iv[1].iov_len = 1;
        iv[3].iov_base = "\n";
        iv[3].iov_len = 1;

        while (header) {
        if (strcasecmp(header->name, "X-Evolution")) {
            iv[0].iov_base = header->name;
            iv[0].iov_len = strlen(header->name);
            iv[2].iov_base = header->value;
            iv[2].iov_len = strlen(header->value);
        
            do {
                len = writev(fd, iv, 4);
            } while (len == -1 && errno == EINTR);
            
            if (len == -1)
                return -1;
            outlen += len;
        }
                header = header->next;
        }

        iv[0].iov_base = "X-Evolution: ";
        iv[0].iov_len = strlen(iv[0].iov_base);
        iv[1].iov_base = xevline;
        iv[1].iov_len = strlen(xevline);
        iv[2].iov_base = "\n\n";
        iv[2].iov_len = 2;

    do {
        len = writev(fd, iv, 3);
    } while (len == -1 && errno == EINTR);

    if (len == -1)
        return -1;

    outlen += 1;

    d(printf("Wrote %d bytes of headers\n", outlen));

        return outlen;
}

static int
copy_block(int fromfd, int tofd, off_t start, size_t bytes)
{
        char buffer[4096];
        int written = 0;

    d(printf("writing %d bytes ... ", bytes));

    if (lseek(fromfd, start, SEEK_SET) != start)
        return -1;

        while (bytes>0) {
                int toread, towrite;

                toread = bytes;
                if (bytes>4096)
                        toread = 4096;
                else
                        toread = bytes;
        do {
            towrite = read(fromfd, buffer, toread);
        } while (towrite == -1 && errno == EINTR);

        if (towrite == -1)
            return -1;

                /* check for 'end of file' */
                if (towrite == 0) {
            d(printf("end of file?\n"));
                        break;
        }

        do {
            toread = write(tofd, buffer, towrite);
        } while (toread == -1 && errno == EINTR);

        if (toread == -1)
            return -1;

                written += toread;
                bytes -= toread;
        }

        d(printf("written %d bytes\n", written));

        return written;
}

int
camel_mbox_summary_expunge(CamelMboxSummary *mbs)
{
    CamelMimeParser *mp=NULL;
    int i, count;
    CamelMboxMessageInfo *info;
    CamelFolderSummary *s = (CamelFolderSummary *)mbs;

    int fd=-1, fdout=-1;
    off_t offset = 0;
    char *tmpname=0;
    char *buffer, *xevnew = NULL;
    const char *xev;
    int len;
    guint32 uid, flags;
    int quick = TRUE, work = FALSE;

    /* make sure we're in sync */
    count = camel_folder_summary_count(s);
    if (count>0) {
        CamelMessageInfo *mi = camel_folder_summary_index(s, count-1);
        camel_mbox_summary_update(mbs, mi->content->endpos);
    } else {
        camel_mbox_summary_update(mbs, 0);
    }

    /* check if we have any work to do */
    d(printf("Performing expunge, %d messages in inbox\n", count));
    for (i=0;quick && i<count;i++) {
        info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i);
        if (info->info.flags & (CAMEL_MESSAGE_DELETED|CAMEL_MESSAGE_FOLDER_NOXEV))
            quick = FALSE;
        else
            work |= (info->info.flags & CAMEL_MESSAGE_FOLDER_FLAGGED) != 0;
    }

    d(printf("Options: %s %s\n", quick?"quick":"", work?"Work":""));

    if (quick && !work)
        return 0;

    fd = open(mbs->folder_path, O_RDWR);
    if (fd == -1)
        return -1;

    mp = camel_mime_parser_new();
    camel_mime_parser_scan_from(mp, TRUE);
    camel_mime_parser_init_with_fd(mp, fd);

    if (!quick) {
        tmpname = alloca(strlen(mbs->folder_path)+5);
        sprintf(tmpname, "%s.tmp", mbs->folder_path);
        d(printf("Writing tmp file to %s\n", tmpname));
    retry_out:
        fdout = open(tmpname, O_WRONLY|O_CREAT|O_EXCL, 0600);
        if (fdout == -1) {
            if (errno == EEXIST)
                if (unlink(tmpname) != -1)
                    goto retry_out;
            tmpname = 0;
            goto error;
        }
    }

    for (i=0;i<count;i++) {
        off_t frompos, bodypos;
        off_t xevoffset;

        info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i);

        g_assert(info);

        d(printf("Looking at message %s\n", info->info.uid));

        if (info->info.flags & CAMEL_MESSAGE_DELETED) {
            d(printf("Deleting %s\n", info->info.uid));

            g_assert(!quick);
            offset -= (info->info.content->endpos - info->frompos);
            if (mbs->index)
                ibex_unindex(mbs->index, info->info.uid);
            camel_folder_summary_remove(s, (CamelMessageInfo *)info);
            count--;
            i--;
            info = NULL;
        } else if (info->info.flags & (CAMEL_MESSAGE_FOLDER_NOXEV|CAMEL_MESSAGE_FOLDER_FLAGGED)) {
            int xevok = FALSE;

            d(printf("Updating header for %s flags = %08x\n", info->info.uid, info->info.flags));

            /* find the next message, header parts */
            camel_mime_parser_seek(mp, info->frompos, SEEK_SET);
            if (camel_mime_parser_step(mp, &buffer, &len) != HSCAN_FROM)
                goto error;

            if (camel_mime_parser_tell_start_from(mp) != info->frompos) {
                g_error("Summary/mbox mismatch, aborting expunge");
                goto error;
            }
            
            if (camel_mime_parser_step(mp, &buffer, &len) == HSCAN_FROM_END)
                goto error;

            xev = camel_mime_parser_header(mp, "X-Evolution", (int *)&xevoffset);
            if (xev && header_evolution_decode(xev, &uid, &flags) != -1) {
                char name[64];

                sprintf(name, "%u", uid);
                if (strcmp(name, info->info.uid)) {
                    d(printf("Summary mismatch, aborting leaving mailbox intact\n"));
                    goto error;
                }
                xevok = TRUE;
            }
            xevnew = header_evolution_encode(strtoul(info->info.uid, NULL, 10), info->info.flags);
            if (quick) {
                if (!xevok) {
                    g_error("The summary told me I had an X-Evolution header, but i dont!");
                    goto error;
                }
                buffer = g_strdup_printf("X-Evolution: %s", xevnew);
                do {
                    len = write(fd, buffer, strlen(buffer));
                } while (len == -1 && errno == EINTR);
                g_free(buffer);
                if (len == -1) {
                    goto error;
                }
            } else {
                frompos = lseek(fdout, 0, SEEK_CUR);
                write(fdout, "From -\n", strlen("From -\n"));
                if (header_write(fdout, camel_mime_parser_headers_raw(mp), xevnew) == -1) {
                    d(printf("Error writing to tmp mailbox\n"));
                    goto error;
                }
                bodypos = lseek(fdout, 0, SEEK_CUR);
                d(printf("pos = %d, endpos = %d, bodypos = %d\n",
                     info->info.content->pos,
                     info->info.content->endpos,
                     info->info.content->bodypos));
                if (copy_block(fd, fdout, info->info.content->bodypos, info->info.content->endpos - info->info.content->bodypos) == -1) {
                    g_warning("Cannot copy data to output fd");
                    goto error;
                }
                info->frompos = frompos;
                offset = bodypos - info->info.content->bodypos;
            }
            g_free(xevnew); xevnew = NULL;
            camel_mime_parser_drop_step(mp);
            camel_mime_parser_drop_step(mp);
        } else {
            d(printf("Nothing to do for this message\n"));
        }
        if (!quick && info!=NULL && offset!=0) {
            camel_folder_summary_offset_content(info->info.content, offset);
            d(printf("pos = %d, endpos = %d, bodypos = %d\n",
                 info->info.content->pos,
                 info->info.content->endpos,
                 info->info.content->bodypos));
        }
    }

    d(printf("Closing folders\n"));

    if (close(fd) == -1) {
        g_warning("Cannot close source folder: %s", strerror(errno));
        goto error;
    }

    if (!quick) {
        struct stat st;

        if (close(fdout) == -1) {
            g_warning("Cannot close tmp folder: %s", strerror(errno));
            goto error;
        }

        if (rename(tmpname, mbs->folder_path) == -1) {
            g_warning("Cannot rename folder: %s", strerror(errno));
            goto error;
        }
        tmpname = 0;

        if (stat(mbs->folder_path, &st) == -1)
            goto error;

        s->flags |= CAMEL_SUMMARY_DIRTY;
        s->time = st.st_mtime;
        mbs->folder_size = st.st_size;
        camel_folder_summary_save(s);
        if (mbs->index)
            ibex_save(mbs->index);
    }

    gtk_object_unref((GtkObject *)mp);

    return 0;
error:
    d(printf("Error occured: %s\n", strerror(errno)));
    count = errno;

    close(fd);
    close(fdout);

    g_free(xevnew);

    if (tmpname)
        unlink(tmpname);
    if (mp)
        gtk_object_unref((GtkObject *)mp);

    errno = count;
    return -1;
}