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diff --git a/kmicromail/libetpan/generic/maildirdriver.c b/kmicromail/libetpan/generic/maildirdriver.c
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+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2002 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ */
+
+
+/*
+ flags directory MUST be kept so that we can have other flags
+ than standards
+*/
+
+#include "maildirdriver.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "maildir.h"
+#include "maildriver_tools.h"
+#include "maildirdriver_message.h"
+#include "maildirdriver_tools.h"
+#include "mailmessage.h"
+#include "generic_cache.h"
+
+static int initialize(mailsession * session);
+
+static void uninitialize(mailsession * session);
+
+static int connect_path(mailsession * session, char * path);
+
+static int logout(mailsession * session);
+
+static int expunge_folder(mailsession * session);
+
+static int status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen);
+
+static int recent_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int unseen_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int messages_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int append_message(mailsession * session,
+ char * message, size_t size);
+
+static int get_messages_list(mailsession * session,
+ struct mailmessage_list ** result);
+
+static int get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list);
+
+static int check_folder(mailsession * session);
+
+static int get_message_by_uid(mailsession * session,
+ const char * uid, mailmessage ** result);
+
+static mailsession_driver local_maildir_session_driver = {
+ .sess_name = "maildir",
+
+ .sess_initialize = initialize,
+ .sess_uninitialize = uninitialize,
+
+ .sess_parameters = NULL,
+
+ .sess_connect_stream = NULL,
+ .sess_connect_path = connect_path,
+ .sess_starttls = NULL,
+ .sess_login = NULL,
+ .sess_logout = logout,
+ .sess_noop = NULL,
+
+ .sess_build_folder_name = NULL,
+ .sess_create_folder = NULL,
+ .sess_delete_folder = NULL,
+ .sess_rename_folder = NULL,
+ .sess_check_folder = check_folder,
+ .sess_examine_folder = NULL,
+ .sess_select_folder = NULL,
+ .sess_expunge_folder = expunge_folder,
+ .sess_status_folder = status_folder,
+ .sess_messages_number = messages_number,
+ .sess_recent_number = recent_number,
+ .sess_unseen_number = unseen_number,
+ .sess_list_folders = NULL,
+ .sess_lsub_folders = NULL,
+ .sess_subscribe_folder = NULL,
+ .sess_unsubscribe_folder = NULL,
+
+ .sess_append_message = append_message,
+ .sess_copy_message = NULL,
+ .sess_move_message = NULL,
+
+ .sess_get_messages_list = get_messages_list,
+ .sess_get_envelopes_list = get_envelopes_list,
+ .sess_remove_message = NULL,
+#if 0
+ .sess_search_messages = maildriver_generic_search_messages,
+#endif
+
+ .sess_get_message = NULL,
+ .sess_get_message_by_uid = get_message_by_uid,
+};
+
+mailsession_driver * maildir_session_driver = &local_maildir_session_driver;
+
+
+static int flags_store_process(struct maildir * md,
+ struct mail_flags_store * flags_store);
+
+
+static inline struct maildir_session_state_data * get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static struct maildir * get_maildir_session(mailsession * session)
+{
+ return get_data(session)->md_session;
+}
+
+static int initialize(mailsession * session)
+{
+ struct maildir_session_state_data * data;
+
+ data = malloc(sizeof(* data));
+ if (data == NULL)
+ goto err;
+
+ data->md_session = NULL;
+
+ data->md_flags_store = mail_flags_store_new();
+ if (data->md_flags_store == NULL)
+ goto free;
+
+ session->sess_data = data;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ free(data);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void uninitialize(mailsession * session)
+{
+ struct maildir_session_state_data * data;
+
+ data = get_data(session);
+
+ if (data->md_session != NULL)
+ flags_store_process(data->md_session, data->md_flags_store);
+
+ mail_flags_store_free(data->md_flags_store);
+ if (data->md_session != NULL)
+ maildir_free(data->md_session);
+
+ free(data);
+
+ session->sess_data = NULL;
+}
+
+
+static int connect_path(mailsession * session, char * path)
+{
+ struct maildir * md;
+ int res;
+ int r;
+
+ if (get_maildir_session(session) != NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ md = maildir_new(path);
+ if (md == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR) {
+ res = maildirdriver_maildir_error_to_mail_error(r);
+ goto free;
+ }
+
+ get_data(session)->md_session = md;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ maildir_free(md);
+ err:
+ return res;
+}
+
+static int logout(mailsession * session)
+{
+ struct maildir * md;
+
+ check_folder(session);
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ maildir_free(md);
+ get_data(session)->md_session = NULL;
+
+ return MAIL_NO_ERROR;
+}
+
+/* folders operations */
+
+static int status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen)
+{
+ int r;
+ struct maildir * md;
+ unsigned int i;
+ uint32_t messages;
+ uint32_t recent;
+ uint32_t unseen;
+
+ check_folder(session);
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR)
+ return maildirdriver_maildir_error_to_mail_error(r);
+
+ messages = 0;
+ recent = 0;
+ unseen = 0;
+ for(i = 0 ; i < carray_count(md->mdir_msg_list) ; i ++) {
+ struct maildir_msg * msg;
+
+ msg = carray_get(md->mdir_msg_list, i);
+ if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0)
+ recent ++;
+ if ((msg->msg_flags & MAILDIR_FLAG_SEEN) == 0)
+ unseen ++;
+ messages ++;
+ }
+
+ * result_messages = messages;
+ * result_recent = recent;
+ * result_unseen = unseen;
+
+ return MAIL_NO_ERROR;
+}
+
+static int messages_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ struct maildir * md;
+ int r;
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR)
+ return maildirdriver_maildir_error_to_mail_error(r);
+
+ * result = carray_count(md->mdir_msg_list);
+
+ return MAIL_NO_ERROR;
+}
+
+static int unseen_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ uint32_t messages;
+ uint32_t recent;
+ uint32_t unseen;
+ int r;
+
+ r = status_folder(session, mb, &messages, &recent, &unseen);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = unseen;
+
+ return MAIL_NO_ERROR;
+}
+
+static int recent_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ uint32_t messages;
+ uint32_t recent;
+ uint32_t unseen;
+ int r;
+
+ r = status_folder(session, mb, &messages, &recent, &unseen);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = recent;
+
+ return MAIL_NO_ERROR;
+}
+
+
+/* messages operations */
+
+static int append_message(mailsession * session,
+ char * message, size_t size)
+{
+ struct maildir * md;
+ int r;
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = maildir_message_add(md, message, size);
+ if (r != MAILDIR_NO_ERROR)
+ return maildirdriver_maildir_error_to_mail_error(r);
+
+ return MAIL_NO_ERROR;
+}
+
+static int get_messages_list(mailsession * session,
+ struct mailmessage_list ** result)
+{
+ struct maildir * md;
+ int r;
+ struct mailmessage_list * env_list;
+ int res;
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR) {
+ res = maildirdriver_maildir_error_to_mail_error(r);
+ goto err;
+ }
+
+ r = maildir_get_messages_list(session, md,
+ maildir_message_driver, &env_list);
+ if (r != MAILDIR_NO_ERROR) {
+ res = r;
+ goto free_list;
+ }
+
+ * result = env_list;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ mailmessage_list_free(env_list);
+ err:
+ return res;
+}
+
+static int get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list)
+{
+ int r;
+ struct maildir * md;
+ unsigned int i;
+ int res;
+
+ check_folder(session);
+
+ md = get_maildir_session(session);
+ if (md == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR) {
+ res = maildirdriver_maildir_error_to_mail_error(r);
+ goto err;
+ }
+
+ r = maildriver_generic_get_envelopes_list(session, env_list);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ for(i = 0 ; i < carray_count(env_list->msg_tab) ; i++) {
+ struct maildir_msg * md_msg;
+ mailmessage * msg;
+ uint32_t driver_flags;
+ clist * ext;
+ chashdatum key;
+ chashdatum value;
+
+ msg = carray_get(env_list->msg_tab, i);
+
+ key.data = msg->msg_uid;
+ key.len = strlen(msg->msg_uid);
+ r = chash_get(md->mdir_msg_hash, &key, &value);
+ if (r < 0)
+ continue;
+
+ md_msg = value.data;
+
+ driver_flags = maildirdriver_maildir_flags_to_flags(md_msg->msg_flags);
+
+ if (msg->msg_flags == NULL) {
+ ext = clist_new();
+ if (ext == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ continue;
+ }
+
+ msg->msg_flags = mail_flags_new(driver_flags, ext);
+ if (msg->msg_flags == NULL) {
+ clist_free(ext);
+ res = MAIL_ERROR_MEMORY;
+ continue;
+ }
+
+ if ((md_msg->msg_flags & MAILDIR_FLAG_NEW) != 0) {
+ mail_flags_store_set(get_data(session)->md_flags_store, msg);
+ }
+ }
+ else {
+ msg->msg_flags->fl_flags &= MAIL_FLAG_FORWARDED;
+ msg->msg_flags->fl_flags |= driver_flags;
+ }
+ }
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+
+static int expunge_folder(mailsession * session)
+{
+ unsigned int i;
+ int r;
+ int res;
+ struct maildir * md;
+
+ check_folder(session);
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR) {
+ res = maildirdriver_maildir_error_to_mail_error(r);
+ goto err;
+ }
+
+ for(i = 0 ; i < carray_count(md->mdir_msg_list) ; i++) {
+ struct maildir_msg * md_msg;
+
+ md_msg = carray_get(md->mdir_msg_list, i);
+
+ if ((md_msg->msg_flags & MAILDIR_FLAG_TRASHED) != 0)
+ maildir_message_remove(md, md_msg->msg_uid);
+ }
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+
+static int flags_store_process(struct maildir * md,
+ struct mail_flags_store * flags_store)
+{
+ unsigned int i;
+
+ if (carray_count(flags_store->fls_tab) == 0)
+ return MAIL_NO_ERROR;
+
+ for(i = 0 ; i < carray_count(flags_store->fls_tab) ; i ++) {
+ mailmessage * msg;
+ uint32_t md_flags;
+
+ msg = carray_get(flags_store->fls_tab, i);
+ md_flags = maildirdriver_flags_to_maildir_flags(msg->msg_flags->fl_flags);
+ md_flags &= ~MAILDIR_FLAG_NEW;
+
+ maildir_message_change_flags(md, msg->msg_uid, md_flags);
+ }
+
+ mail_flags_store_clear(flags_store);
+
+ return MAIL_NO_ERROR;
+}
+
+
+
+static int check_folder(mailsession * session)
+{
+ struct mail_flags_store * flags_store;
+ struct maildir_session_state_data * data;
+ struct maildir * md;
+
+ md = get_maildir_session(session);
+ if (md == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ data = get_data(session);
+ flags_store = data->md_flags_store;
+
+ return flags_store_process(md, flags_store);
+}
+
+static int get_message_by_uid(mailsession * session,
+ const char * uid, mailmessage ** result)
+{
+ int r;
+ struct maildir * md;
+ int res;
+ mailmessage * msg;
+ char * msg_filename;
+ struct stat stat_info;
+
+ md = get_maildir_session(session);
+
+ /* update maildir data */
+
+ r = maildir_update(md);
+ if (r != MAILDIR_NO_ERROR) {
+ res = maildirdriver_maildir_error_to_mail_error(r);
+ goto err;
+ }
+
+ msg_filename = maildir_message_get(md, uid);
+ if (msg_filename == NULL) {
+ res = MAIL_ERROR_INVAL;
+ goto err;
+ }
+
+ r = stat(msg_filename, &stat_info);
+ free(msg_filename);
+ if (r < 0) {
+ res = MAIL_ERROR_INVAL;
+ goto err;
+ }
+
+ /* create message */
+
+ msg = mailmessage_new();
+ if (msg == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = mailmessage_init(msg, session, maildir_message_driver,
+ 0, stat_info.st_size);
+ if (r != MAIL_NO_ERROR) {
+ mailmessage_free(msg);
+ res = r;
+ goto err;
+ }
+
+ msg->msg_uid = strdup(uid);
+ if (msg->msg_uid == NULL) {
+ mailmessage_free(msg);
+ res = r;
+ goto err;
+ }
+
+ * result = msg;
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}