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path: root/kmicromail/libetpan/generic/mboxdriver.c
authorzautrix <zautrix>2004-07-03 16:33:12 (UTC)
committer zautrix <zautrix>2004-07-03 16:33:12 (UTC)
commite3b89230f065c48c84b48c88edb6eb088374c487 (patch) (side-by-side diff)
tree162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/generic/mboxdriver.c
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
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Initial revision
Diffstat (limited to 'kmicromail/libetpan/generic/mboxdriver.c') (more/less context) (ignore whitespace changes)
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diff --git a/kmicromail/libetpan/generic/mboxdriver.c b/kmicromail/libetpan/generic/mboxdriver.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.
+ */
+
+/*
+ * $Id$
+ */
+
+#include "mboxdriver.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <sys/times.h>
+
+#include "mail.h"
+#include "maildriver_tools.h"
+#include "mailmbox.h"
+#include "mboxdriver_tools.h"
+#include "maildriver.h"
+#include "carray.h"
+#include "mboxdriver_message.h"
+#include "mailmessage.h"
+
+static int mboxdriver_initialize(mailsession * session);
+
+static void mboxdriver_uninitialize(mailsession * session);
+
+static int mboxdriver_parameters(mailsession * session,
+ int id, void * value);
+
+static int mboxdriver_connect_path(mailsession * session, char * path);
+
+static int mboxdriver_logout(mailsession * session);
+
+static int mboxdriver_expunge_folder(mailsession * session);
+
+static int mboxdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen);
+
+static int mboxdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int mboxdriver_append_message(mailsession * session,
+ char * message, size_t size);
+
+static int mboxdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result);
+
+static int
+mboxdriver_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list);
+
+static int mboxdriver_remove_message(mailsession * session, uint32_t num);
+
+static int mboxdriver_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result);
+
+static int mboxdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result);
+
+static mailsession_driver local_mbox_session_driver = {
+ .sess_name = "mbox",
+
+ .sess_initialize = mboxdriver_initialize,
+ .sess_uninitialize = mboxdriver_uninitialize,
+
+ .sess_parameters = mboxdriver_parameters,
+
+ .sess_connect_path = mboxdriver_connect_path,
+ .sess_connect_stream = NULL,
+ .sess_starttls = NULL,
+ .sess_login = NULL,
+ .sess_logout = mboxdriver_logout,
+ .sess_noop = NULL,
+
+ .sess_build_folder_name = NULL,
+ .sess_create_folder = NULL,
+ .sess_delete_folder = NULL,
+ .sess_rename_folder = NULL,
+ .sess_check_folder = NULL,
+ .sess_examine_folder = NULL,
+ .sess_select_folder = NULL,
+ .sess_expunge_folder = mboxdriver_expunge_folder,
+ .sess_status_folder = mboxdriver_status_folder,
+ .sess_messages_number = mboxdriver_messages_number,
+ .sess_recent_number = mboxdriver_messages_number,
+ .sess_unseen_number = mboxdriver_messages_number,
+ .sess_list_folders = NULL,
+ .sess_lsub_folders = NULL,
+ .sess_subscribe_folder = NULL,
+ .sess_unsubscribe_folder = NULL,
+
+ .sess_append_message = mboxdriver_append_message,
+ .sess_copy_message = NULL,
+ .sess_move_message = NULL,
+
+ .sess_get_messages_list = mboxdriver_get_messages_list,
+ .sess_get_envelopes_list = mboxdriver_get_envelopes_list,
+ .sess_remove_message = mboxdriver_remove_message,
+#if 0
+ .sess_search_messages = maildriver_generic_search_messages,
+#endif
+
+ .sess_get_message = mboxdriver_get_message,
+ .sess_get_message_by_uid = mboxdriver_get_message_by_uid,
+};
+
+mailsession_driver * mbox_session_driver = &local_mbox_session_driver;
+
+static inline struct mbox_session_state_data * get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static inline struct mailmbox_folder * get_mbox_session(mailsession * session)
+{
+ return get_data(session)->mbox_folder;
+}
+
+static int mboxdriver_initialize(mailsession * session)
+{
+ struct mbox_session_state_data * data;
+
+ data = malloc(sizeof(* data));
+ if (data == NULL)
+ goto err;
+
+ data->mbox_folder = NULL;
+
+ data->mbox_force_read_only = FALSE;
+ data->mbox_force_no_uid = TRUE;
+
+ session->sess_data = data;
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void free_state(struct mbox_session_state_data * mbox_data)
+{
+ if (mbox_data->mbox_folder != NULL) {
+ mailmbox_done(mbox_data->mbox_folder);
+ mbox_data->mbox_folder = NULL;
+ }
+}
+
+static void mboxdriver_uninitialize(mailsession * session)
+{
+ struct mbox_session_state_data * data;
+
+ data = get_data(session);
+
+ free_state(data);
+
+ free(data);
+}
+
+static int mboxdriver_parameters(mailsession * session,
+ int id, void * value)
+{
+ struct mbox_session_state_data * data;
+
+ data = get_data(session);
+
+ switch (id) {
+ case MBOXDRIVER_SET_READ_ONLY:
+ {
+ int * param;
+
+ param = value;
+
+ data->mbox_force_read_only = * param;
+ return MAIL_NO_ERROR;
+ }
+
+ case MBOXDRIVER_SET_NO_UID:
+ {
+ int * param;
+
+ param = value;
+
+ data->mbox_force_no_uid = * param;
+ return MAIL_NO_ERROR;
+ }
+ }
+
+ return MAIL_ERROR_INVAL;
+}
+
+
+static int mboxdriver_connect_path(mailsession * session, char * path)
+{
+ struct mbox_session_state_data * mbox_data;
+ struct mailmbox_folder * folder;
+ int r;
+
+ mbox_data = get_data(session);
+
+ if (mbox_data->mbox_folder != NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = mailmbox_init(path,
+ mbox_data->mbox_force_read_only,
+ mbox_data->mbox_force_no_uid,
+ 0,
+ &folder);
+
+ if (r != MAILMBOX_NO_ERROR)
+ return mboxdriver_mbox_error_to_mail_error(r);
+
+ mbox_data->mbox_folder = folder;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mboxdriver_logout(mailsession * session)
+{
+ struct mbox_session_state_data * mbox_data;
+
+ mbox_data = get_data(session);
+
+ if (mbox_data->mbox_folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ free_state(mbox_data);
+
+ mbox_data->mbox_folder = NULL;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mboxdriver_expunge_folder(mailsession * session)
+{
+ int r;
+ struct mbox_session_state_data * mbox_data;
+
+ mbox_data = get_data(session);
+
+ if (mbox_data->mbox_folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = mailmbox_expunge(mbox_data->mbox_folder);
+ if (r != MAILMBOX_NO_ERROR)
+ return mboxdriver_mbox_error_to_mail_error(r);
+
+ return MAIL_NO_ERROR;
+}
+
+static int mboxdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen)
+{
+ uint32_t count;
+ int r;
+
+ r = mboxdriver_messages_number(session, mb, &count);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result_messages = count;
+ * result_recent = count;
+ * result_unseen = count;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mboxdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ struct mailmbox_folder * folder;
+ int r;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL)
+ return MAIL_ERROR_STATUS;
+
+ r = mailmbox_validate_read_lock(folder);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ mailmbox_read_unlock(folder);
+
+ * result = carray_count(folder->mb_tab) - folder->mb_deleted_count;
+
+ return MAILMBOX_NO_ERROR;
+}
+
+/* messages operations */
+
+static int mboxdriver_append_message(mailsession * session,
+ char * message, size_t size)
+{
+ int r;
+ struct mailmbox_folder * folder;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL)
+ return MAIL_ERROR_APPEND;
+
+ r = mailmbox_append_message(folder, message, size);
+
+ switch (r) {
+ case MAILMBOX_ERROR_FILE:
+ return MAIL_ERROR_DISKSPACE;
+ default:
+ return mboxdriver_mbox_error_to_mail_error(r);
+ }
+}
+
+static int mboxdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result)
+{
+ struct mailmbox_folder * folder;
+ int res;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ return mbox_get_messages_list(folder, session, mbox_message_driver, result);
+
+ err:
+ return res;
+}
+
+static int
+mboxdriver_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list)
+{
+ struct mailmbox_folder * folder;
+ unsigned int i;
+ int r;
+ int res;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ r = mailmbox_validate_read_lock(folder);
+ if (r != MAILMBOX_NO_ERROR) {
+ res = mboxdriver_mbox_error_to_mail_error(r);
+ goto err;
+ }
+
+ for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) {
+ mailmessage * msg;
+ struct mailimf_fields * fields;
+ char * headers;
+ size_t headers_len;
+ size_t cur_token;
+
+ msg = carray_get(env_list->msg_tab, i);
+ if (msg == NULL)
+ continue;
+
+ if (msg->msg_fields != NULL)
+ continue;
+
+ r = mailmbox_fetch_msg_headers_no_lock(folder,
+ msg->msg_index, &headers, &headers_len);
+ if (r != MAILMBOX_NO_ERROR) {
+ res = mboxdriver_mbox_error_to_mail_error(r);
+ goto unlock;
+ }
+
+ cur_token = 0;
+ r = mailimf_envelope_fields_parse(headers, headers_len,
+ &cur_token, &fields);
+
+ if (r != MAILIMF_NO_ERROR)
+ continue;
+
+ msg->msg_fields = fields;
+ }
+
+ mailmbox_read_unlock(folder);
+
+ return MAIL_NO_ERROR;
+
+ unlock:
+ mailmbox_read_unlock(folder);
+ err:
+ return res;
+}
+
+
+static int mboxdriver_remove_message(mailsession * session, uint32_t num)
+{
+ int r;
+ struct mailmbox_folder * folder;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL)
+ return MAIL_ERROR_DELETE;
+
+ r = mailmbox_delete_msg(folder, num);
+
+ return mboxdriver_mbox_error_to_mail_error(r);
+}
+
+static int mboxdriver_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result)
+{
+ mailmessage * msg_info;
+ int r;
+
+ msg_info = mailmessage_new();
+ if (msg_info == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ r = mailmessage_init(msg_info, session, mbox_message_driver, num, 0);
+ if (r != MAIL_NO_ERROR) {
+ mailmessage_free(msg_info);
+ return r;
+ }
+
+ * result = msg_info;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mboxdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result)
+{
+ uint32_t num;
+ char * p;
+ chashdatum key;
+ chashdatum data;
+ struct mailmbox_msg_info * info;
+ struct mailmbox_folder * folder;
+ int r;
+
+ if (uid == NULL)
+ return MAIL_ERROR_INVAL;
+
+ num = strtoul(uid, &p, 10);
+ if (p == uid || * p != '-')
+ return MAIL_ERROR_INVAL;
+
+ folder = get_mbox_session(session);
+ if (folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ key.data = &num;
+ key.len = sizeof(num);
+
+ r = chash_get(folder->mb_hash, &key, &data);
+ if (r == 0) {
+ char * body_len_p = p + 1;
+ size_t body_len;
+
+ info = data.data;
+ /* Check if the cached message has the same UID */
+ body_len = strtoul(body_len_p, &p, 10);
+ if (p == body_len_p || * p != '\0')
+ return MAIL_ERROR_INVAL;
+
+ if (body_len == info->msg_body_len)
+ return mboxdriver_get_message(session, num, result);
+ }
+
+ return MAIL_ERROR_MSG_NOT_FOUND;
+}