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path: root/kmicromail/libetpan/generic/nntpdriver.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/nntpdriver.c
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
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Initial revision
Diffstat (limited to 'kmicromail/libetpan/generic/nntpdriver.c') (more/less context) (ignore whitespace changes)
-rw-r--r--kmicromail/libetpan/generic/nntpdriver.c1170
1 files changed, 1170 insertions, 0 deletions
diff --git a/kmicromail/libetpan/generic/nntpdriver.c b/kmicromail/libetpan/generic/nntpdriver.c
new file mode 100644
index 0000000..fde5f1a
--- a/dev/null
+++ b/kmicromail/libetpan/generic/nntpdriver.c
@@ -0,0 +1,1170 @@
+/*
+ * 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 "nntpdriver.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "mail.h"
+#include "mailmessage.h"
+#include "nntpdriver_tools.h"
+#include "maildriver_tools.h"
+#include "nntpdriver_message.h"
+
+static int nntpdriver_initialize(mailsession * session);
+
+static void nntpdriver_uninitialize(mailsession * session);
+
+static int nntpdriver_parameters(mailsession * session,
+ int id, void * value);
+
+static int nntpdriver_connect_stream(mailsession * session, mailstream * s);
+
+static int nntpdriver_login(mailsession * session,
+ char * userid, char * password);
+
+static int nntpdriver_logout(mailsession * session);
+
+static int nntpdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages,
+ uint32_t * result_recent,
+ uint32_t * result_unseen);
+
+static int nntpdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int nntpdriver_append_message(mailsession * session,
+ char * message, size_t size);
+
+static int
+nntpdriver_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list);
+
+
+static int nntpdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result);
+
+static int nntpdriver_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int nntpdriver_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int nntpdriver_subscribe_folder(mailsession * session, char * mb);
+
+static int nntpdriver_unsubscribe_folder(mailsession * session, char * mb);
+
+static int nntpdriver_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result);
+
+static int nntpdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result);
+
+static int nntpdriver_noop(mailsession * session);
+
+static mailsession_driver local_nntp_session_driver = {
+ .sess_name = "nntp",
+
+ .sess_initialize = nntpdriver_initialize,
+ .sess_uninitialize = nntpdriver_uninitialize,
+
+ .sess_parameters = nntpdriver_parameters,
+
+ .sess_connect_stream = nntpdriver_connect_stream,
+ .sess_connect_path = NULL,
+ .sess_starttls = NULL,
+ .sess_login = nntpdriver_login,
+ .sess_logout = nntpdriver_logout,
+ .sess_noop = nntpdriver_noop,
+
+ .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 = nntpdriver_select_folder,
+ .sess_expunge_folder = NULL,
+ .sess_status_folder = nntpdriver_status_folder,
+ .sess_messages_number = nntpdriver_messages_number,
+ .sess_recent_number = nntpdriver_messages_number,
+ .sess_unseen_number = nntpdriver_messages_number,
+ .sess_list_folders = nntpdriver_list_folders,
+ .sess_lsub_folders = nntpdriver_lsub_folders,
+ .sess_subscribe_folder = nntpdriver_subscribe_folder,
+ .sess_unsubscribe_folder = nntpdriver_unsubscribe_folder,
+
+ .sess_append_message = nntpdriver_append_message,
+ .sess_copy_message = NULL,
+ .sess_move_message = NULL,
+
+ .sess_get_messages_list = nntpdriver_get_messages_list,
+ .sess_get_envelopes_list = nntpdriver_get_envelopes_list,
+ .sess_remove_message = NULL,
+#if 0
+ .sess_search_messages = maildriver_generic_search_messages,
+#endif
+
+ .sess_get_message = nntpdriver_get_message,
+ .sess_get_message_by_uid = nntpdriver_get_message_by_uid,
+};
+
+
+mailsession_driver * nntp_session_driver = &local_nntp_session_driver;
+
+static inline struct nntp_session_state_data *
+get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static inline newsnntp * get_nntp_session(mailsession * session)
+{
+ return get_data(session)->nntp_session;
+}
+
+static int nntpdriver_initialize(mailsession * session)
+{
+ struct nntp_session_state_data * data;
+ newsnntp * nntp;
+
+ nntp = newsnntp_new(0, NULL);
+ if (nntp == NULL)
+ goto err;
+
+ data = malloc(sizeof(* data));
+ if (data == NULL)
+ goto free;
+
+ data->nntp_session = nntp;
+
+ data->nntp_userid = NULL;
+ data->nntp_password = NULL;
+
+ data->nntp_group_info = NULL;
+ data->nntp_group_name = NULL;
+
+ data->nntp_subscribed_list = clist_new();
+ if (data->nntp_subscribed_list == NULL)
+ goto free_data;
+
+ data->nntp_max_articles = 0;
+
+ data->nntp_mode_reader = FALSE;
+
+ session->sess_data = data;
+
+ return MAIL_NO_ERROR;
+
+ free_data:
+ free(data);
+ free:
+ newsnntp_free(nntp);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void nntpdriver_uninitialize(mailsession * session)
+{
+ struct nntp_session_state_data * data;
+
+ data = get_data(session);
+
+ clist_foreach(data->nntp_subscribed_list, (clist_func) free, NULL);
+ clist_free(data->nntp_subscribed_list);
+
+ if (data->nntp_group_info != NULL)
+ newsnntp_group_free(data->nntp_group_info);
+
+ if (data->nntp_group_name != NULL)
+ free(data->nntp_group_name);
+
+ if (data->nntp_userid != NULL)
+ free(data->nntp_userid);
+
+ if (data->nntp_password != NULL)
+ free(data->nntp_password);
+
+ newsnntp_free(data->nntp_session);
+ free(data);
+
+ session->sess_data = NULL;
+}
+
+
+static int nntpdriver_parameters(mailsession * session,
+ int id, void * value)
+{
+ struct nntp_session_state_data * data;
+
+ data = get_data(session);
+
+ switch (id) {
+ case NNTPDRIVER_SET_MAX_ARTICLES:
+ {
+ uint32_t * param;
+
+ param = value;
+
+ data->nntp_max_articles = * param;
+ return MAIL_NO_ERROR;
+ }
+ }
+
+ return MAIL_ERROR_INVAL;
+}
+
+
+static int add_to_list(mailsession * session, char * mb)
+{
+ char * new_mb;
+ int r;
+ struct nntp_session_state_data * data;
+
+ data = get_data(session);
+
+ new_mb = strdup(mb);
+ if (new_mb == NULL)
+ return -1;
+
+ r = clist_append(data->nntp_subscribed_list, new_mb);
+ if (r < 0) {
+ free(mb);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int remove_from_list(mailsession * session, char * mb)
+{
+ clistiter * cur;
+ struct nntp_session_state_data * data;
+
+ data = get_data(session);
+
+ for(cur = clist_begin(data->nntp_subscribed_list) ; cur != NULL ;
+ cur = clist_next(cur)) {
+ char * cur_name;
+
+ cur_name = clist_content(cur);
+ if (strcmp(cur_name, mb) == 0) {
+ clist_delete(data->nntp_subscribed_list, cur);
+ free(cur_name);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+
+static int nntpdriver_connect_stream(mailsession * session, mailstream * s)
+{
+ int r;
+
+ r = newsnntp_connect(get_nntp_session(session), s);
+
+ switch (r) {
+ case NEWSNNTP_NO_ERROR:
+ return MAIL_NO_ERROR_NON_AUTHENTICATED;
+
+ default:
+ return nntpdriver_nntp_error_to_mail_error(r);
+ }
+}
+
+static int nntpdriver_login(mailsession * session,
+ char * userid, char * password)
+{
+ struct nntp_session_state_data * data;
+ char * new_userid;
+ char * new_password;
+
+ data = get_data(session);
+
+ if (userid != NULL) {
+ new_userid = strdup(userid);
+ if (new_userid == NULL)
+ goto err;
+ }
+ else
+ new_userid = NULL;
+
+ if (password != NULL) {
+ new_password = strdup(password);
+ if (new_password == NULL)
+ goto free_uid;
+ }
+ else
+ new_password = NULL;
+
+ data->nntp_userid = new_userid;
+ data->nntp_password = new_password;
+
+ return MAIL_NO_ERROR;
+
+ free_uid:
+ if (new_userid != NULL)
+ free(new_userid);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static int nntpdriver_logout(mailsession * session)
+{
+ int r;
+
+ r = newsnntp_quit(get_nntp_session(session));
+
+ return nntpdriver_nntp_error_to_mail_error(r);
+}
+
+
+static int nntpdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages,
+ uint32_t * result_recent,
+ uint32_t * result_unseen)
+{
+ uint32_t count;
+ int r;
+
+ r = nntpdriver_select_folder(session, mb);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ r = nntpdriver_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 nntpdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ int r;
+ struct nntp_session_state_data * data;
+
+ if (mb != NULL) {
+ r = nntpdriver_select_folder(session, mb);
+ if (r != MAIL_NO_ERROR)
+ return r;
+ }
+
+ data = get_data(session);
+
+ if (data->nntp_group_info == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ * result = data->nntp_group_info->grp_last -
+ data->nntp_group_info->grp_first + 1;
+
+ return MAIL_NO_ERROR;
+}
+
+static int nntpdriver_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ int r;
+ clist * group_list;
+ newsnntp * nntp;
+ clistiter * cur;
+ char * new_mb;
+ int done;
+ clist * list;
+ struct mail_list * ml;
+ int res;
+
+ nntp = get_nntp_session(session);
+
+ new_mb = NULL;
+ if ((mb != NULL) && (*mb != '\0')) {
+ new_mb = malloc(strlen(mb) + 3);
+ if (new_mb == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+ strcpy(new_mb, mb);
+ strcat(new_mb, ".*");
+ }
+
+ done = FALSE;
+ do {
+ if (new_mb != NULL)
+ r = newsnntp_list_active(nntp, new_mb, &group_list);
+ else
+ r = newsnntp_list(nntp, &group_list);
+
+ switch (r) {
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME:
+ r = nntpdriver_authenticate_user(session);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_PASSWORD:
+ r = nntpdriver_authenticate_password(session);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+
+ case NEWSNNTP_NO_ERROR:
+ if (new_mb != NULL)
+ free(new_mb);
+ done = TRUE;
+ break;
+
+ default:
+ if (new_mb != NULL)
+ free(new_mb);
+ return nntpdriver_nntp_error_to_mail_error(r);
+ }
+ }
+ while (!done);
+
+ list = clist_new();
+ if (list == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ for(cur = clist_begin(group_list) ; cur != NULL ;
+ cur = clist_next(cur)) {
+ struct newsnntp_group_info * info;
+ char * new_name;
+
+ info = clist_content(cur);
+ new_name = strdup(info->grp_name);
+ if (new_name == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = clist_append(list, new_name);
+ if (r < 0) {
+ free(new_name);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ }
+
+ ml = mail_list_new(list);
+ if (ml == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ newsnntp_list_free(group_list);
+
+ * result = ml;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) free, NULL);
+ clist_free(list);
+ newsnntp_list_free(group_list);
+ err:
+ return res;
+}
+
+static int nntpdriver_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ clist * subscribed;
+ clist * lsub_result;
+ clistiter * cur;
+ struct mail_list * lsub;
+ size_t length;
+ int res;
+ int r;
+ struct nntp_session_state_data * data;
+
+ length = strlen(mb);
+
+ data = get_data(session);
+
+ subscribed = data->nntp_subscribed_list;
+ lsub_result = clist_new();
+ if (lsub_result == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ for(cur = clist_begin(subscribed) ; cur != NULL ;
+ cur = clist_next(cur)) {
+ char * cur_mb;
+ char * new_mb;
+
+ cur_mb = clist_content(cur);
+
+ if (strncmp(mb, cur_mb, length) == 0) {
+ new_mb = strdup(cur_mb);
+ if (new_mb == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = clist_append(lsub_result, new_mb);
+ if (r < 0) {
+ free(new_mb);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ }
+ }
+
+ lsub = mail_list_new(lsub_result);
+ if (lsub == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = lsub;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ clist_foreach(lsub_result, (clist_func) free, NULL);
+ clist_free(lsub_result);
+ err:
+ return res;
+}
+
+static int nntpdriver_subscribe_folder(mailsession * session, char * mb)
+{
+ int r;
+
+ r = add_to_list(session, mb);
+ if (r < 0)
+ return MAIL_ERROR_SUBSCRIBE;
+
+ return MAIL_NO_ERROR;
+}
+
+static int nntpdriver_unsubscribe_folder(mailsession * session, char * mb)
+{
+ int r;
+
+ r = remove_from_list(session, mb);
+ if (r < 0)
+ return MAIL_ERROR_UNSUBSCRIBE;
+
+ return MAIL_NO_ERROR;
+}
+
+
+
+/* messages operations */
+
+static int nntpdriver_append_message(mailsession * session,
+ char * message, size_t size)
+{
+ int r;
+ struct nntp_session_state_data * data;
+
+ data = get_data(session);
+
+ do {
+ r = newsnntp_post(get_nntp_session(session), message, size);
+ switch (r) {
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME:
+ r = nntpdriver_authenticate_user(session);
+ if (r != MAIL_NO_ERROR)
+ return r;
+ break;
+
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_PASSWORD:
+ r = nntpdriver_authenticate_password(session);
+ if (r != MAIL_NO_ERROR)
+ return r;
+ break;
+
+ default:
+ return nntpdriver_nntp_error_to_mail_error(r);
+ }
+ }
+ while (1);
+}
+
+
+static int xover_resp_to_fields(struct newsnntp_xover_resp_item * item,
+ struct mailimf_fields ** result);
+
+
+static int
+nntpdriver_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list)
+{
+ newsnntp * nntp;
+ int r;
+ struct nntp_session_state_data * data;
+ clist * list;
+ int done;
+ clistiter * cur;
+ uint32_t first_seq;
+ unsigned int i;
+
+ nntp = get_nntp_session(session);
+
+ data = get_data(session);
+
+ if (data->nntp_group_info == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ first_seq = data->nntp_group_info->grp_first;
+
+ if (carray_count(env_list->msg_tab) > 0) {
+ mailmessage * msg;
+
+ msg = carray_get(env_list->msg_tab, 0);
+
+ first_seq = msg->msg_index;
+ }
+
+ if (carray_count(env_list->msg_tab) > 0) {
+ i = carray_count(env_list->msg_tab) - 1;
+ while (1) {
+ mailmessage * msg;
+
+ msg = carray_get(env_list->msg_tab, i);
+
+ if (msg->msg_fields != NULL) {
+ first_seq = msg->msg_index + 1;
+ break;
+ }
+
+ if (i == 0)
+ break;
+
+ i --;
+ }
+ }
+
+ if (first_seq > data->nntp_group_info->grp_last) {
+ list = NULL;
+ }
+ else {
+ done = FALSE;
+ do {
+ r = newsnntp_xover_range(nntp, first_seq,
+ data->nntp_group_info->grp_last, &list);
+
+ switch (r) {
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME:
+ r = nntpdriver_authenticate_user(session);
+ if (r != MAIL_NO_ERROR)
+ return r;
+ break;
+
+ case NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_PASSWORD:
+ r = nntpdriver_authenticate_password(session);
+ if (r != MAIL_NO_ERROR)
+ return r;
+ break;
+
+ case NEWSNNTP_NO_ERROR:
+ done = TRUE;
+ break;
+
+ default:
+ return nntpdriver_nntp_error_to_mail_error(r);
+ }
+ }
+ while (!done);
+ }
+
+#if 0
+ i = 0;
+ j = 0;
+
+ if (list != NULL) {
+ for(cur = clist_begin(list) ; cur != NULL ; cur = clist_next(cur)) {
+ struct newsnntp_xover_resp_item * item;
+ struct mailimf_fields * fields;
+
+ item = clist_content(cur);
+
+ while (i < carray_count(env_list->msg_tab)) {
+ mailmessage * info;
+
+ info = carray_get(env_list->msg_tab, i);
+
+ if (item->ovr_article == info->msg_index) {
+
+ if (info->fields == NULL) {
+ r = xover_resp_to_fields(item, &fields);
+ if (r == MAIL_NO_ERROR) {
+ info->fields = fields;
+ }
+
+ info->size = item->ovr_size;
+
+ carray_set(env_list->msg_tab, j, info);
+ j ++;
+ i ++;
+ break;
+ }
+ else {
+ carray_set(env_list->msg_tab, j, info);
+ j ++;
+ }
+ }
+ else {
+ if (info->fields != NULL) {
+ carray_set(env_list->msg_tab, j, info);
+ j ++;
+ }
+ else {
+ if (info->flags != NULL) {
+ info->flags->flags &= ~MAIL_FLAG_NEW;
+ info->flags->flags |= MAIL_FLAG_SEEN | MAIL_FLAG_DELETED;
+ mailmessage_check(info);
+ }
+ mailmessage_free(info);
+ carray_set(env_list->msg_tab, i, NULL);
+ }
+ }
+
+ i ++;
+ }
+ }
+ }
+
+ while (i < carray_count(env_list->msg_tab)) {
+ mailmessage * info;
+
+ info = carray_get(env_list->msg_tab, i);
+ if (info->fields != NULL) {
+ carray_set(env_list->msg_tab, j, info);
+ j ++;
+ }
+ else {
+ if (info->flags != NULL) {
+ info->flags->flags &= ~MAIL_FLAG_NEW;
+ info->flags->flags |= MAIL_FLAG_SEEN | MAIL_FLAG_DELETED;
+ mailmessage_check(info);
+ }
+ mailmessage_free(info);
+ carray_set(env_list->msg_tab, i, NULL);
+ }
+
+ i ++;
+ }
+
+ r = carray_set_size(env_list->msg_tab, j);
+ if (r < 0) {
+ if (list != NULL)
+ newsnntp_xover_resp_list_free(list);
+ return MAIL_ERROR_MEMORY;
+ }
+#endif
+ i = 0;
+
+ if (list != NULL) {
+ for(cur = clist_begin(list) ; cur != NULL ; cur = clist_next(cur)) {
+ struct newsnntp_xover_resp_item * item;
+ struct mailimf_fields * fields;
+
+ item = clist_content(cur);
+
+ while (i < carray_count(env_list->msg_tab)) {
+ mailmessage * info;
+
+ info = carray_get(env_list->msg_tab, i);
+
+ if (item->ovr_article == info->msg_index) {
+
+ if (info->msg_fields == NULL) {
+ r = xover_resp_to_fields(item, &fields);
+ if (r == MAIL_NO_ERROR) {
+ info->msg_fields = fields;
+ }
+
+ info->msg_size = item->ovr_size;
+
+ i ++;
+ break;
+ }
+ }
+#if 0
+ else if ((info->fields == NULL) && (info->flags != NULL)) {
+ info->flags->flags &= ~MAIL_FLAG_NEW;
+ info->flags->flags |= MAIL_FLAG_CANCELLED;
+ mailmessage_check(info);
+ }
+#endif
+
+ i ++;
+ }
+ }
+ }
+
+#if 0
+ while (i < env_list->msg_tab->len) {
+ mailmessage * info;
+
+ info = carray_get(env_list->msg_tab, i);
+ if ((info->fields == NULL) && (info->flags != NULL)) {
+ info->flags->flags &= ~MAIL_FLAG_NEW;
+ info->flags->flags |= MAIL_FLAG_CANCELLED;
+ mailmessage_check(info);
+ }
+
+ i ++;
+ }
+#endif
+
+ if (list != NULL)
+ newsnntp_xover_resp_list_free(list);
+
+ return MAIL_NO_ERROR;
+}
+
+
+static int xover_resp_to_fields(struct newsnntp_xover_resp_item * item,
+ struct mailimf_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ int r;
+ struct mailimf_fields * fields;
+ int res;
+
+ list = clist_new();
+ if (list == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ if (item->ovr_subject != NULL) {
+ char * subject_str;
+ struct mailimf_subject * subject;
+ struct mailimf_field * field;
+
+ subject_str = strdup(item->ovr_subject);
+ if (subject_str == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ subject = mailimf_subject_new(subject_str);
+ if (subject == NULL) {
+ free(subject_str);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ field = mailimf_field_new(MAILIMF_FIELD_SUBJECT,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, subject, NULL, NULL, NULL);
+ if (field == NULL) {
+ mailimf_subject_free(subject);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = clist_append(list, field);
+ if (r < 0) {
+ mailimf_field_free(field);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ }
+
+ if (item->ovr_author != NULL) {
+ struct mailimf_mailbox_list * mb_list;
+ struct mailimf_from * from;
+ struct mailimf_field * field;
+
+ cur_token = 0;
+ r = mailimf_mailbox_list_parse(item->ovr_author, strlen(item->ovr_author),
+ &cur_token, &mb_list);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ from = mailimf_from_new(mb_list);
+ if (from == NULL) {
+ mailimf_mailbox_list_free(mb_list);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ field = mailimf_field_new(MAILIMF_FIELD_FROM,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, from,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL);
+ if (field == NULL) {
+ mailimf_from_free(from);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = clist_append(list, field);
+ if (r < 0) {
+ mailimf_field_free(field);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ break;
+
+ default:
+ res = maildriver_imf_error_to_mail_error(r);
+ goto free_list;
+ }
+ }
+
+ if (item->ovr_date != NULL) {
+ struct mailimf_date_time * date_time;
+ struct mailimf_orig_date * orig_date;
+ struct mailimf_field * field;
+
+ cur_token = 0;
+ r = mailimf_date_time_parse(item->ovr_date, strlen(item->ovr_date),
+ &cur_token, &date_time);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ orig_date = mailimf_orig_date_new(date_time);
+ if (orig_date == NULL) {
+ mailimf_date_time_free(date_time);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ field = mailimf_field_new(MAILIMF_FIELD_ORIG_DATE,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, orig_date, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL);
+ if (field == NULL) {
+ mailimf_orig_date_free(orig_date);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = clist_append(list, field);
+ if (r < 0) {
+ mailimf_field_free(field);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ break;
+
+ default:
+ res = maildriver_imf_error_to_mail_error(r);
+ goto free_list;
+ }
+ }
+
+ if (item->ovr_message_id != NULL) {
+ char * msgid_str;
+ struct mailimf_message_id * msgid;
+ struct mailimf_field * field;
+
+ cur_token = 0;
+ r = mailimf_msg_id_parse(item->ovr_message_id, strlen(item->ovr_message_id),
+ &cur_token, &msgid_str);
+
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ msgid = mailimf_message_id_new(msgid_str);
+ if (msgid == NULL) {
+ mailimf_msg_id_free(msgid_str);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ field = mailimf_field_new(MAILIMF_FIELD_MESSAGE_ID,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, msgid, NULL,
+ NULL, NULL, NULL, NULL, NULL);
+
+ r = clist_append(list, field);
+ if (r < 0) {
+ mailimf_field_free(field);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ break;
+
+ default:
+ res = maildriver_imf_error_to_mail_error(r);
+ goto free_list;
+ }
+ }
+
+ if (item->ovr_references != NULL) {
+ clist * msgid_list;
+ struct mailimf_references * references;
+ struct mailimf_field * field;
+
+ cur_token = 0;
+
+ r = mailimf_msg_id_list_parse(item->ovr_references, strlen(item->ovr_references),
+ &cur_token, &msgid_list);
+
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ references = mailimf_references_new(msgid_list);
+ if (references == NULL) {
+ clist_foreach(msgid_list,
+ (clist_func) mailimf_msg_id_free, NULL);
+ clist_free(msgid_list);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ field = mailimf_field_new(MAILIMF_FIELD_REFERENCES,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ references, NULL, NULL, NULL, NULL);
+
+ r = clist_append(list, field);
+ if (r < 0) {
+ mailimf_field_free(field);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ case MAILIMF_ERROR_PARSE:
+ break;
+
+ default:
+ res = maildriver_imf_error_to_mail_error(r);
+ goto free_list;
+ }
+ }
+
+ fields = mailimf_fields_new(list);
+ if (fields == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = fields;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_field_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+
+
+/* get messages list with group info */
+
+static int nntpdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result)
+{
+ return nntp_get_messages_list(session, session, nntp_message_driver, result);
+
+}
+
+static int nntpdriver_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, nntp_message_driver, num, 0);
+ if (r != MAIL_NO_ERROR) {
+ mailmessage_free(msg_info);
+ return r;
+ }
+
+ * result = msg_info;
+
+ return MAIL_NO_ERROR;
+}
+
+static int nntpdriver_noop(mailsession * session)
+{
+ newsnntp * nntp;
+ int r;
+ struct tm tm;
+
+ nntp = get_nntp_session(session);
+
+ r = newsnntp_date(nntp, &tm);
+
+ return nntpdriver_nntp_error_to_mail_error(r);
+}
+
+static int nntpdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result)
+{
+ uint32_t num;
+ char * p;
+
+ if (uid == NULL)
+ return MAIL_ERROR_INVAL;
+
+ num = strtoul(uid, &p, 10);
+ if ((p == uid) || (* p != '\0'))
+ return MAIL_ERROR_INVAL;
+
+ return nntpdriver_get_message(session, num, result);
+ }