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/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "ioloop.h"
#include "istream.h"
#include "str.h"
#include "index-mail.h"
#include "dbox-mail.h"
#include "sdbox-storage.h"
#include "sdbox-file.h"
#include <sys/stat.h>
static void sdbox_mail_set_expunged(struct dbox_mail *mail)
{
struct mail *_mail = &mail->imail.mail.mail;
mail_index_refresh(_mail->box->index);
if (mail_index_is_expunged(_mail->transaction->view, _mail->seq)) {
mail_set_expunged(_mail);
return;
}
mail_set_critical(_mail, "dbox: Unexpectedly lost uid");
sdbox_set_mailbox_corrupted(_mail->box);
}
static int sdbox_mail_file_set(struct dbox_mail *mail)
{
struct mail *_mail = &mail->imail.mail.mail;
struct sdbox_mailbox *mbox = SDBOX_MAILBOX(_mail->box);
bool deleted;
int ret;
if (mail->open_file != NULL) {
/* already set */
return 0;
} else if (!_mail->saving) {
mail->open_file = sdbox_file_init(mbox, _mail->uid);
return 0;
} else {
/* mail is being saved in this transaction */
mail->open_file =
sdbox_save_file_get_file(_mail->transaction,
_mail->seq);
mail->open_file->refcount++;
/* it doesn't have input stream yet */
ret = dbox_file_open(mail->open_file, &deleted);
if (ret <= 0) {
mail_set_critical(_mail,
"dbox: Unexpectedly lost mail being saved");
sdbox_set_mailbox_corrupted(_mail->box);
return -1;
}
return 1;
}
}
static int
sdbox_mail_get_special(struct mail *_mail, enum mail_fetch_field field,
const char **value_r)
{
struct sdbox_mailbox *mbox = SDBOX_MAILBOX(_mail->box);
struct dbox_mail *mail = DBOX_MAIL(_mail);
struct stat st;
switch (field) {
case MAIL_FETCH_REFCOUNT:
if (sdbox_mail_file_set(mail) < 0)
return -1;
_mail->transaction->stats.fstat_lookup_count++;
if (dbox_file_stat(mail->open_file, &st) < 0) {
if (errno == ENOENT)
mail_set_expunged(_mail);
return -1;
}
*value_r = p_strdup_printf(mail->imail.mail.data_pool, "%lu",
(unsigned long)st.st_nlink);
return 0;
case MAIL_FETCH_REFCOUNT_ID:
if (sdbox_mail_file_set(mail) < 0)
return -1;
_mail->transaction->stats.fstat_lookup_count++;
if (dbox_file_stat(mail->open_file, &st) < 0) {
if (errno == ENOENT)
mail_set_expunged(_mail);
return -1;
}
*value_r = p_strdup_printf(mail->imail.mail.data_pool, "%llu",
(unsigned long long)st.st_ino);
return 0;
case MAIL_FETCH_UIDL_BACKEND:
if (!dbox_header_have_flag(&mbox->box, mbox->hdr_ext_id,
offsetof(struct sdbox_index_header, flags),
DBOX_INDEX_HEADER_FLAG_HAVE_POP3_UIDLS)) {
*value_r = "";
return 0;
}
break;
case MAIL_FETCH_POP3_ORDER:
if (!dbox_header_have_flag(&mbox->box, mbox->hdr_ext_id,
offsetof(struct sdbox_index_header, flags),
DBOX_INDEX_HEADER_FLAG_HAVE_POP3_ORDERS)) {
*value_r = "";
return 0;
}
break;
default:
break;
}
return dbox_mail_get_special(_mail, field, value_r);
}
int sdbox_mail_open(struct dbox_mail *mail, uoff_t *offset_r,
struct dbox_file **file_r)
{
struct mail *_mail = &mail->imail.mail.mail;
bool deleted;
int ret;
if (!mail_stream_access_start(_mail))
return -1;
ret = sdbox_mail_file_set(mail);
if (ret < 0)
return -1;
if (ret == 0) {
if (!dbox_file_is_open(mail->open_file))
_mail->transaction->stats.open_lookup_count++;
if (dbox_file_open(mail->open_file, &deleted) <= 0)
return -1;
if (deleted) {
sdbox_mail_set_expunged(mail);
return -1;
}
}
*file_r = mail->open_file;
*offset_r = 0;
return 0;
}
struct mail_vfuncs sdbox_mail_vfuncs = {
dbox_mail_close,
index_mail_free,
index_mail_set_seq,
index_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,
dbox_mail_get_received_date,
dbox_mail_get_save_date,
dbox_mail_get_virtual_size,
dbox_mail_get_physical_size,
index_mail_get_first_header,
index_mail_get_headers,
index_mail_get_header_stream,
dbox_mail_get_stream,
index_mail_get_binary_stream,
sdbox_mail_get_special,
index_mail_get_backend_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,
};
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