static int
index_storage_mailbox_update_pvt(struct mailbox *box,
const struct mailbox_update *update)
{
struct mail_index_transaction *trans;
struct mail_index_view *view;
int ret;
if ((ret = mailbox_open_index_pvt(box)) <= 0)
return ret;
mail_index_refresh(box->index_pvt);
view = mail_index_view_open(box->index_pvt);
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
if (update->min_highest_modseq != 0 &&
mail_index_modseq_get_highest(view) < update->min_highest_pvt_modseq) {
mail_index_modseq_enable(box->index_pvt);
mail_index_update_highest_modseq(trans,
update->min_highest_pvt_modseq);
}
if ((ret = mail_index_transaction_commit(&trans)) < 0)
mailbox_set_index_error(box);
mail_index_view_close(&view);
return ret;
}
static int mdbox_sync_try_begin(struct mdbox_sync_context *ctx,
enum mail_index_sync_flags sync_flags)
{
struct mdbox_mailbox *mbox = ctx->mbox;
int ret;
ret = mail_index_sync_begin(mbox->box.index, &ctx->index_sync_ctx,
&ctx->sync_view, &ctx->trans, sync_flags);
if (mail_index_reset_fscked(mbox->box.index))
mdbox_storage_set_corrupted(mbox->storage);
if (ret < 0) {
mailbox_set_index_error(&mbox->box);
return -1;
}
if (ret == 0) {
/* nothing to do */
return 0;
}
if (!mdbox_map_atomic_is_locked(ctx->atomic) &&
mail_index_sync_has_expunges(ctx->index_sync_ctx)) {
/* we have expunges, so we need to write to map.
it needs to be locked before mailbox index. */
mail_index_sync_rollback(&ctx->index_sync_ctx);
if (mdbox_map_atomic_lock(ctx->atomic) < 0)
return -1;
return mdbox_sync_try_begin(ctx, sync_flags);
}
return 1;
}
int imapc_mailbox_commit_delayed_trans(struct imapc_mailbox *mbox,
bool *changes_r)
{
int ret = 0;
*changes_r = FALSE;
if (mbox->delayed_sync_view != NULL)
mail_index_view_close(&mbox->delayed_sync_view);
if (mbox->delayed_sync_trans != NULL) {
if (mail_index_transaction_commit(&mbox->delayed_sync_trans) < 0) {
mailbox_set_index_error(&mbox->box);
ret = -1;
}
*changes_r = TRUE;
}
mbox->delayed_sync_cache_trans = NULL;
if (mbox->delayed_sync_cache_view != NULL)
mail_cache_view_close(&mbox->delayed_sync_cache_view);
if (mbox->sync_view != NULL)
mail_index_view_close(&mbox->sync_view);
if (array_count(&mbox->delayed_expunged_uids) > 0) {
/* delayed expunges - commit them now in a separate
transaction */
if (imapc_mailbox_commit_delayed_expunges(mbox) < 0)
ret = -1;
}
return ret;
}
static int raw_sync(struct raw_mailbox *mbox)
{
struct mail_index_sync_ctx *index_sync_ctx;
struct mail_index_view *sync_view;
struct mail_index_transaction *trans;
uint32_t seq, uid_validity = ioloop_time;
enum mail_index_sync_flags sync_flags;
int ret;
i_assert(!mbox->synced);
sync_flags = index_storage_get_sync_flags(&mbox->box) |
MAIL_INDEX_SYNC_FLAG_FLUSH_DIRTY |
MAIL_INDEX_SYNC_FLAG_REQUIRE_CHANGES;
ret = mail_index_sync_begin(mbox->box.index, &index_sync_ctx,
&sync_view, &trans, sync_flags);
if (ret <= 0) {
if (ret < 0)
mailbox_set_index_error(&mbox->box);
return ret;
}
/* set our uidvalidity */
mail_index_update_header(trans,
offsetof(struct mail_index_header, uid_validity),
&uid_validity, sizeof(uid_validity), TRUE);
/* add our one and only message */
mail_index_append(trans, 1, &seq);
index_mailbox_set_recent_uid(&mbox->box, 1);
if (mail_index_sync_commit(&index_sync_ctx) < 0) {
mailbox_set_index_error(&mbox->box);
return -1;
}
mbox->synced = TRUE;
return 0;
}
int index_mailbox_sync_deinit(struct mailbox_sync_context *_ctx,
struct mailbox_sync_status *status_r)
{
struct index_mailbox_sync_context *ctx =
(struct index_mailbox_sync_context *)_ctx;
struct mailbox_sync_rec sync_rec;
bool delayed_expunges = FALSE;
int ret = ctx->failed ? -1 : 0;
/* finish handling expunges, so we don't break when updating
recent flags */
while (index_mailbox_sync_next_expunge(ctx, &sync_rec) > 0) ;
/* convert sequences to uids before syncing view */
index_sync_search_results_uidify(ctx);
if (ctx->sync_ctx != NULL) {
if (mail_index_view_sync_commit(&ctx->sync_ctx,
&delayed_expunges) < 0) {
mailbox_set_index_error(_ctx->box);
ret = -1;
}
}
index_mailbox_expunge_unseen_recent(ctx);
if ((_ctx->box->flags & MAILBOX_FLAG_DROP_RECENT) == 0 &&
_ctx->box->opened) {
/* mailbox syncing didn't necessarily update our recent state */
index_sync_update_recent_count(_ctx->box);
}
if (status_r != NULL)
status_r->sync_delayed_expunges = delayed_expunges;
/* update search results after private index is updated */
index_sync_search_results_update(ctx);
if (array_is_created(&ctx->flag_updates))
array_free(&ctx->flag_updates);
if (array_is_created(&ctx->hidden_updates))
array_free(&ctx->hidden_updates);
if (array_is_created(&ctx->all_flag_update_uids))
array_free(&ctx->all_flag_update_uids);
/* update vsize header if wanted */
if (ret == 0)
index_mailbox_vsize_update_appends(_ctx->box);
i_free(ctx);
return ret;
}
int mdbox_sync_finish(struct mdbox_sync_context **_ctx, bool success)
{
struct mdbox_sync_context *ctx = *_ctx;
int ret = success ? 0 : -1;
*_ctx = NULL;
if (success) {
if (mail_index_sync_commit(&ctx->index_sync_ctx) < 0) {
mailbox_set_index_error(&ctx->mbox->box);
ret = -1;
}
} else {
mail_index_sync_rollback(&ctx->index_sync_ctx);
}
i_free(ctx);
return ret;
}
static int maildir_sync_index_finish(struct maildir_index_sync_context *ctx,
bool success)
{
struct maildir_mailbox *mbox = ctx->mbox;
unsigned int time_diff;
int ret = success ? 0 : -1;
time_diff = time(NULL) - ctx->start_time;
if (time_diff >= MAILDIR_SYNC_TIME_WARN_SECS) {
i_warning("Maildir %s: Synchronization took %u seconds "
"(%u new msgs, %u flag change attempts, "
"%u expunge attempts)",
mailbox_get_path(&ctx->mbox->box), time_diff,
ctx->new_msgs_count, ctx->flag_change_count,
ctx->expunge_count);
mail_index_sync_no_warning(ctx->sync_ctx);
}
if (ret < 0)
mail_index_sync_rollback(&ctx->sync_ctx);
else {
maildir_sync_index_update_ext_header(ctx);
/* Set syncing_commit=TRUE so that if any sync callbacks try
to access mails which got lost (eg. expunge callback trying
to open the file which was just unlinked) we don't try to
start a second index sync and crash. */
mbox->syncing_commit = TRUE;
if (mail_index_sync_commit(&ctx->sync_ctx) < 0) {
mailbox_set_index_error(&mbox->box);
ret = -1;
}
mbox->syncing_commit = FALSE;
}
index_storage_expunging_deinit(&mbox->box);
maildir_keywords_sync_deinit(&ctx->keywords_sync_ctx);
index_sync_changes_deinit(&ctx->sync_changes);
i_free(ctx);
return ret;
}
int maildir_sync_index_begin(struct maildir_mailbox *mbox,
struct maildir_sync_context *maildir_sync_ctx,
struct maildir_index_sync_context **ctx_r)
{
struct mailbox *_box = &mbox->box;
struct maildir_index_sync_context *ctx;
struct mail_index_sync_ctx *sync_ctx;
struct mail_index_view *view;
struct mail_index_transaction *trans;
enum mail_index_sync_flags sync_flags;
sync_flags = index_storage_get_sync_flags(&mbox->box);
/* don't drop recent messages if we're saving messages */
if (maildir_sync_ctx == NULL)
sync_flags &= ~MAIL_INDEX_SYNC_FLAG_DROP_RECENT;
if (mail_index_sync_begin(_box->index, &sync_ctx, &view,
&trans, sync_flags) < 0) {
mailbox_set_index_error(_box);
return -1;
}
ctx = i_new(struct maildir_index_sync_context, 1);
ctx->mbox = mbox;
ctx->maildir_sync_ctx = maildir_sync_ctx;
ctx->sync_ctx = sync_ctx;
ctx->view = view;
ctx->trans = trans;
ctx->keywords_sync_ctx =
maildir_keywords_sync_init(mbox->keywords, _box->index);
ctx->sync_changes =
index_sync_changes_init(ctx->sync_ctx, ctx->view, ctx->trans,
maildir_is_backend_readonly(mbox));
ctx->start_time = time(NULL);
*ctx_r = ctx;
return 0;
}
static int imapc_mailbox_commit_delayed_expunges(struct imapc_mailbox *mbox)
{
struct mail_index_view *view = imapc_mailbox_get_sync_view(mbox);
struct mail_index_transaction *trans;
struct seq_range_iter iter;
unsigned int n;
uint32_t lseq, uid;
int ret;
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
seq_range_array_iter_init(&iter, &mbox->delayed_expunged_uids); n = 0;
while (seq_range_array_iter_nth(&iter, n++, &uid)) {
if (mail_index_lookup_seq(view, uid, &lseq))
mail_index_expunge(trans, lseq);
}
array_clear(&mbox->delayed_expunged_uids);
ret = mail_index_transaction_commit(&trans);
if (ret < 0)
mailbox_set_index_error(&mbox->box);
return ret;
}
static int
mdbox_deleted_mailbox_create_indexes(struct mailbox *box,
const struct mailbox_update *update,
struct mail_index_transaction *trans)
{
struct mdbox_mailbox *mbox = (struct mdbox_mailbox *)box;
struct mail_index_transaction *new_trans = NULL;
uint32_t uid_validity = ioloop_time;
uint32_t uid_next = 1;
if (update != NULL && update->uid_validity != 0)
uid_validity = update->uid_validity;
if (trans == NULL) {
new_trans = mail_index_transaction_begin(box->view, 0);
trans = new_trans;
}
mail_index_update_header(trans,
offsetof(struct mail_index_header, uid_validity),
&uid_validity, sizeof(uid_validity), TRUE);
mail_index_update_header(trans,
offsetof(struct mail_index_header, next_uid),
&uid_next, sizeof(uid_next), TRUE);
mbox->creating = TRUE;
mdbox_update_header(mbox, trans, update);
mbox->creating = FALSE;
if (new_trans != NULL) {
if (mail_index_transaction_commit(&new_trans) < 0) {
mailbox_set_index_error(box);
return -1;
}
}
return 0;
}
static int
index_transaction_index_commit(struct mail_index_transaction *index_trans,
struct mail_index_transaction_commit_result *result_r)
{
struct mailbox_transaction_context *t =
MAIL_STORAGE_CONTEXT(index_trans);
struct index_mailbox_sync_pvt_context *pvt_sync_ctx = NULL;
int ret = 0;
if (t->nontransactional_changes)
t->changes->changed = TRUE;
if (t->attr_pvt_trans != NULL) {
if (dict_transaction_commit(&t->attr_pvt_trans) < 0) {
mail_storage_set_internal_error(t->box->storage);
ret = -1;
}
}
if (t->attr_shared_trans != NULL) {
if (dict_transaction_commit(&t->attr_shared_trans) < 0) {
mail_storage_set_internal_error(t->box->storage);
ret = -1;
}
}
if (t->save_ctx != NULL) {
if (ret < 0) {
t->box->v.transaction_save_rollback(t->save_ctx);
t->save_ctx = NULL;
} else if (t->box->v.transaction_save_commit_pre(t->save_ctx) < 0) {
t->save_ctx = NULL;
ret = -1;
} else {
t->changes->changed = TRUE;
}
}
if (array_is_created(&t->pvt_saves)) {
if (index_mailbox_sync_pvt_init(t->box, TRUE, &pvt_sync_ctx) < 0)
ret = -1;
}
i_assert(t->mail_ref_count == 0);
if (ret < 0)
t->super.rollback(index_trans);
else {
if (t->super.commit(index_trans, result_r) < 0) {
mailbox_set_index_error(t->box);
ret = -1;
} else if (result_r->commit_size > 0) {
/* something was written to the transaction log */
t->changes->changed = TRUE;
}
}
if (t->save_ctx != NULL)
t->box->v.transaction_save_commit_post(t->save_ctx, result_r);
if (pvt_sync_ctx != NULL) {
if (index_mailbox_sync_pvt_newmails(pvt_sync_ctx, t) < 0) {
/* failed to add private flags. a bit too late to
return failure though, so just ignore silently */
}
index_mailbox_sync_pvt_deinit(&pvt_sync_ctx);
}
index_transaction_free(t);
return ret;
}
int index_storage_mailbox_open(struct mailbox *box, bool move_to_memory)
{
struct index_mailbox_context *ibox = INDEX_STORAGE_CONTEXT(box);
enum mail_index_open_flags index_flags;
int ret;
i_assert(!box->opened);
index_flags = ibox->index_flags;
if (move_to_memory)
ibox->index_flags &= ~MAIL_INDEX_OPEN_FLAG_CREATE;
if (index_storage_mailbox_alloc_index(box) < 0)
return -1;
/* make sure mail_index_set_permissions() has been called */
(void)mailbox_get_permissions(box);
ret = mail_index_open(box->index, index_flags);
if (ret <= 0 || move_to_memory) {
if ((index_flags & MAIL_INDEX_OPEN_FLAG_NEVER_IN_MEMORY) != 0) {
i_assert(ret <= 0);
mailbox_set_index_error(box);
return -1;
}
if (mail_index_move_to_memory(box->index) < 0) {
/* try opening once more. it should be created
directly into memory now. */
if (mail_index_open_or_create(box->index,
index_flags) < 0)
i_panic("in-memory index creation failed");
}
}
if ((index_flags & MAIL_INDEX_OPEN_FLAG_NEVER_IN_MEMORY) != 0) {
if (mail_index_is_in_memory(box->index)) {
mail_storage_set_critical(box->storage,
"Couldn't create index file");
mail_index_close(box->index);
return -1;
}
}
if ((box->flags & MAILBOX_FLAG_OPEN_DELETED) == 0) {
if (mail_index_is_deleted(box->index)) {
mailbox_set_deleted(box);
mail_index_close(box->index);
return -1;
}
}
box->cache = mail_index_get_cache(box->index);
index_cache_register_defaults(box);
box->view = mail_index_view_open(box->index);
ibox->keyword_names = mail_index_get_keywords(box->index);
ibox->vsize_hdr_ext_id =
mail_index_ext_register(box->index, "hdr-vsize",
sizeof(struct index_vsize_header), 0,
sizeof(uint64_t));
box->opened = TRUE;
if ((box->enabled_features & MAILBOX_FEATURE_CONDSTORE) != 0)
mail_index_modseq_enable(box->index);
index_thread_mailbox_opened(box);
hook_mailbox_opened(box);
return 0;
}
static int mbox_mail_seek(struct index_mail *mail)
{
struct mbox_transaction_context *t =
(struct mbox_transaction_context *)mail->mail.mail.transaction;
struct mail *_mail = &mail->mail.mail;
struct mbox_mailbox *mbox = (struct mbox_mailbox *)_mail->box;
enum mbox_sync_flags sync_flags = 0;
int ret, try;
bool deleted;
if (_mail->expunged || mbox->syncing)
return -1;
if (_mail->lookup_abort != MAIL_LOOKUP_ABORT_NEVER) {
mail_set_aborted(_mail);
return -1;
}
if (mbox->mbox_stream != NULL &&
istream_raw_mbox_is_corrupted(mbox->mbox_stream)) {
/* clear the corruption by forcing a full resync */
sync_flags |= MBOX_SYNC_UNDIRTY | MBOX_SYNC_FORCE_SYNC;
}
for (try = 0; try < 2; try++) {
if ((sync_flags & MBOX_SYNC_FORCE_SYNC) != 0) {
/* dirty offsets are broken. make sure we can sync. */
mbox_prepare_resync(_mail);
}
if (mbox->mbox_lock_type == F_UNLCK) {
i_assert(t->read_lock_id == 0);
sync_flags |= MBOX_SYNC_LOCK_READING;
if (mbox_sync(mbox, sync_flags) < 0)
return -1;
t->read_lock_id = mbox_get_cur_lock_id(mbox);
i_assert(t->read_lock_id != 0);
/* refresh index file after mbox has been locked to
make sure we get only up-to-date mbox offsets. */
if (mail_index_refresh(mbox->box.index) < 0) {
mailbox_set_index_error(&mbox->box);
return -1;
}
i_assert(mbox->mbox_lock_type != F_UNLCK);
} else if (t->read_lock_id == 0) {
/* file is already locked by another transaction, but
we must keep it locked for the entire transaction,
so increase the lock counter. */
if (mbox_lock(mbox, mbox->mbox_lock_type,
&t->read_lock_id) < 0)
i_unreached();
}
if (mbox_file_open_stream(mbox) < 0)
return -1;
ret = mbox_file_seek(mbox, _mail->transaction->view,
_mail->seq, &deleted);
if (ret > 0) {
/* success */
break;
}
if (ret < 0) {
if (deleted)
mail_set_expunged(_mail);
return -1;
}
/* we'll need to re-sync it completely */
sync_flags |= MBOX_SYNC_UNDIRTY | MBOX_SYNC_FORCE_SYNC;
}
if (ret == 0) {
mail_storage_set_critical(&mbox->storage->storage,
"Losing sync for mail uid=%u in mbox file %s",
_mail->uid, mailbox_get_path(&mbox->box));
}
return 0;
}
static int mbox_mail_get_received_date(struct mail *_mail, time_t *date_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
struct index_mail_data *data = &mail->data;
struct mbox_mailbox *mbox = (struct mbox_mailbox *)_mail->box;
if (index_mail_get_received_date(_mail, date_r) == 0)
return 0;
if (mbox_mail_seek(mail) < 0)
return -1;
data->received_date =
istream_raw_mbox_get_received_time(mbox->mbox_stream);
if (data->received_date == (time_t)-1) {
/* it's broken and conflicts with our "not found"
return value. change it. */
data->received_date = 0;
}
*date_r = data->received_date;
return 0;
}
static int mbox_mail_get_save_date(struct mail *_mail, time_t *date_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
struct index_mail_data *data = &mail->data;
if (index_mail_get_save_date(_mail, date_r) == 0)
return 0;
/* no way to know this. save the current time into cache and use
that from now on. this works only as long as the index files
are permanent */
data->save_date = ioloop_time;
*date_r = data->save_date;
return 0;
}
static int
mbox_mail_get_md5_header(struct index_mail *mail, const char **value_r)
{
struct mail *_mail = &mail->mail.mail;
static uint8_t empty_md5[16] =
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
struct mbox_mailbox *mbox = (struct mbox_mailbox *)_mail->box;
const void *ext_data;
if (mail->data.guid != NULL) {
*value_r = mail->data.guid;
return 1;
}
mail_index_lookup_ext(_mail->transaction->view, _mail->seq,
mbox->md5hdr_ext_idx, &ext_data, NULL);
if (ext_data != NULL && memcmp(ext_data, empty_md5, 16) != 0) {
mail->data.guid = p_strdup(mail->mail.data_pool,
binary_to_hex(ext_data, 16));
*value_r = mail->data.guid;
return 1;
} else if (mail_index_is_expunged(_mail->transaction->view, _mail->seq)) {
mail_set_expunged(_mail);
return -1;
} else {
return 0;
}
}
static int
mbox_mail_get_special(struct mail *_mail, enum mail_fetch_field field,
const char **value_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
struct mbox_mailbox *mbox = (struct mbox_mailbox *)_mail->box;
uoff_t offset;
bool move_offset;
int ret;
switch (field) {
case MAIL_FETCH_FROM_ENVELOPE:
if (mbox_mail_seek(mail) < 0)
return -1;
*value_r = istream_raw_mbox_get_sender(mbox->mbox_stream);
return 0;
case MAIL_FETCH_GUID:
case MAIL_FETCH_HEADER_MD5:
if ((ret = mbox_mail_get_md5_header(mail, value_r)) != 0)
return ret < 0 ? -1 : 0;
/* i guess in theory the empty_md5 is valid and can happen,
but it's almost guaranteed that it means the MD5 sum is
missing. recalculate it. */
if (mbox->mbox_lock_type == F_UNLCK ||
mbox->mbox_stream == NULL) {
offset = 0;
move_offset = FALSE;
} else {
offset = istream_raw_mbox_get_start_offset(mbox->mbox_stream);
move_offset = TRUE;
}
mbox->mbox_save_md5 = TRUE;
if (mbox_sync(mbox, MBOX_SYNC_FORCE_SYNC |
MBOX_SYNC_READONLY) < 0)
return -1;
if (move_offset) {
if (istream_raw_mbox_seek(mbox->mbox_stream,
offset) < 0) {
i_error("mbox %s sync lost during MD5 syncing",
_mail->box->name);
return -1;
}
}
if ((ret = mbox_mail_get_md5_header(mail, value_r)) == 0) {
i_error("mbox %s resyncing didn't save header MD5 values",
_mail->box->name);
return -1;
}
return ret < 0 ? -1 : 0;
default:
break;
}
return index_mail_get_special(_mail, field, value_r);
}
static int
mbox_mail_get_next_offset(struct index_mail *mail, uoff_t *next_offset_r)
{
struct mbox_mailbox *mbox = (struct mbox_mailbox *)mail->mail.mail.box;
struct mail_index_view *view;
const struct mail_index_header *hdr;
uint32_t seq;
int trailer_size;
int ret = 1;
*next_offset_r = (uoff_t)-1;
hdr = mail_index_get_header(mail->mail.mail.transaction->view);
if (mail->mail.mail.seq > hdr->messages_count) {
/* we're appending a new message */
return 0;
}
/* We can't really trust trans_view. The next message may already be
expunged from it. Also hdr.messages_count may be incorrect there.
So refresh the index to get the latest changes and get the next
message's offset using a new view. */
i_assert(mbox->mbox_lock_type != F_UNLCK);
if (mbox_sync_header_refresh(mbox) < 0)
return -1;
view = mail_index_view_open(mail->mail.mail.box->index);
hdr = mail_index_get_header(view);
if (!mail_index_lookup_seq(view, mail->mail.mail.uid, &seq))
i_panic("Message unexpectedly expunged from index");
if (seq < hdr->messages_count) {
if (mbox_file_lookup_offset(mbox, view, seq + 1,
next_offset_r) <= 0)
ret = -1;
} else if (mail->mail.mail.box->input != NULL) {
/* opened the mailbox as input stream. we can't trust the
sync_size, since it's wrong with compressed mailboxes */
ret = 0;
} else {
/* last message, use the synced mbox size */
trailer_size =
mbox->storage->storage.set->mail_save_crlf ? 2 : 1;
*next_offset_r = mbox->mbox_hdr.sync_size - trailer_size;
}
mail_index_view_close(&view);
return ret;
}
static int mbox_mail_get_physical_size(struct mail *_mail, uoff_t *size_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
struct index_mail_data *data = &mail->data;
struct mbox_mailbox *mbox = (struct mbox_mailbox *)_mail->box;
struct istream *input;
struct message_size hdr_size;
uoff_t old_offset, body_offset, body_size, next_offset;
if (index_mail_get_physical_size(_mail, size_r) == 0)
return 0;
/* we want to return the header size as seen by mail_get_stream(). */
old_offset = data->stream == NULL ? 0 : data->stream->v_offset;
if (mail_get_stream(_mail, &hdr_size, NULL, &input) < 0)
return -1;
/* our header size varies, so don't do any caching */
if (istream_raw_mbox_get_body_offset(mbox->mbox_stream, &body_offset) < 0) {
mail_storage_set_critical(_mail->box->storage,
"mbox %s: Couldn't get body offset for uid=%u",
mailbox_get_path(&mbox->box), mail->mail.mail.uid);
return -1;
}
/* use the next message's offset to avoid reading through the entire
message body to find out its size */
if (mbox_mail_get_next_offset(mail, &next_offset) > 0)
body_size = next_offset - body_offset;
else
body_size = (uoff_t)-1;
/* verify that the calculated body size is correct */
if (istream_raw_mbox_get_body_size(mbox->mbox_stream,
body_size, &body_size) < 0) {
mail_storage_set_critical(_mail->box->storage,
"mbox %s: Couldn't get body size for uid=%u",
mailbox_get_path(&mbox->box), mail->mail.mail.uid);
return -1;
}
data->physical_size = hdr_size.physical_size + body_size;
*size_r = data->physical_size;
i_stream_seek(input, old_offset);
return 0;
}
static int mbox_mail_init_stream(struct index_mail *mail)
{
struct mbox_mailbox *mbox = (struct mbox_mailbox *)mail->mail.mail.box;
struct istream *raw_stream;
uoff_t hdr_offset, next_offset;
int ret;
if (mbox_mail_seek(mail) < 0)
return -1;
ret = mbox_mail_get_next_offset(mail, &next_offset);
if (ret < 0) {
if (mbox_mail_seek(mail) < 0)
return -1;
ret = mbox_mail_get_next_offset(mail, &next_offset);
if (ret < 0) {
i_warning("mbox %s: Can't find next message offset "
"for uid=%u", mailbox_get_path(&mbox->box),
mail->mail.mail.uid);
}
}
raw_stream = mbox->mbox_stream;
if (istream_raw_mbox_get_header_offset(raw_stream, &hdr_offset) < 0) {
mail_storage_set_critical(mbox->box.storage,
"mbox %s: Couldn't get header offset for uid=%u",
mailbox_get_path(&mbox->box), mail->mail.mail.uid);
return -1;
}
i_stream_seek(raw_stream, hdr_offset);
if (next_offset != (uoff_t)-1)
istream_raw_mbox_set_next_offset(raw_stream, next_offset);
raw_stream = i_stream_create_limit(raw_stream, (uoff_t)-1);
mail->data.stream =
i_stream_create_header_filter(raw_stream,
HEADER_FILTER_EXCLUDE | HEADER_FILTER_NO_CR,
mbox_hide_headers, mbox_hide_headers_count,
*null_header_filter_callback, (void *)NULL);
i_stream_unref(&raw_stream);
return 0;
}
static int mbox_mail_get_stream(struct mail *_mail, bool get_body ATTR_UNUSED,
struct message_size *hdr_size,
struct message_size *body_size,
struct istream **stream_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
if (mail->data.stream == NULL) {
if (mbox_mail_init_stream(mail) < 0)
return -1;
}
return index_mail_init_stream(mail, hdr_size, body_size, stream_r);
}
static void mbox_mail_set_seq(struct mail *_mail, uint32_t seq, bool saving)
{
struct index_mail *mail = (struct index_mail *)_mail;
index_mail_set_seq(_mail, seq, saving);
mail->data.dont_cache_fetch_fields |= MAIL_FETCH_PHYSICAL_SIZE;
}
static bool mbox_mail_set_uid(struct mail *_mail, uint32_t uid)
{
struct index_mail *mail = (struct index_mail *)_mail;
bool ret;
ret = index_mail_set_uid(_mail, uid);
mail->data.dont_cache_fetch_fields |= MAIL_FETCH_PHYSICAL_SIZE;
return ret;
}
struct mail_vfuncs mbox_mail_vfuncs = {
index_mail_close,
index_mail_free,
mbox_mail_set_seq,
mbox_mail_set_uid,
index_mail_set_uid_cache_updates,
index_mail_prefetch,
index_mail_precache,
index_mail_add_temp_wanted_fields,
index_mail_get_flags,
index_mail_get_keywords,
index_mail_get_keyword_indexes,
index_mail_get_modseq,
index_mail_get_pvt_modseq,
index_mail_get_parts,
index_mail_get_date,
mbox_mail_get_received_date,
mbox_mail_get_save_date,
index_mail_get_virtual_size,
mbox_mail_get_physical_size,
index_mail_get_first_header,
index_mail_get_headers,
index_mail_get_header_stream,
mbox_mail_get_stream,
index_mail_get_binary_stream,
mbox_mail_get_special,
index_mail_get_real_mail,
index_mail_update_flags,
index_mail_update_keywords,
index_mail_update_modseq,
index_mail_update_pvt_modseq,
NULL,
index_mail_expunge,
index_mail_set_cache_corrupted,
index_mail_opened
};
