/* * 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); }