2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 #include <glib/gi18n.h>
36 #include "prefs_account.h"
39 #include "partial_download.h"
43 static gint pop3_greeting_recv (Pop3Session *session,
45 static gint pop3_getauth_user_send (Pop3Session *session);
46 static gint pop3_getauth_pass_send (Pop3Session *session);
47 static gint pop3_getauth_apop_send (Pop3Session *session);
49 static gint pop3_stls_send (Pop3Session *session);
50 static gint pop3_stls_recv (Pop3Session *session);
52 static gint pop3_getrange_stat_send (Pop3Session *session);
53 static gint pop3_getrange_stat_recv (Pop3Session *session,
55 static gint pop3_getrange_last_send (Pop3Session *session);
56 static gint pop3_getrange_last_recv (Pop3Session *session,
58 static gint pop3_getrange_uidl_send (Pop3Session *session);
59 static gint pop3_getrange_uidl_recv (Pop3Session *session,
62 static gint pop3_getsize_list_send (Pop3Session *session);
63 static gint pop3_getsize_list_recv (Pop3Session *session,
66 static gint pop3_retr_send (Pop3Session *session);
67 static gint pop3_retr_recv (Pop3Session *session,
70 static gint pop3_delete_send (Pop3Session *session);
71 static gint pop3_delete_recv (Pop3Session *session);
72 static gint pop3_logout_send (Pop3Session *session);
74 static void pop3_gen_send (Pop3Session *session,
75 const gchar *format, ...);
77 static void pop3_session_destroy (Session *session);
79 static gint pop3_write_msg_to_file (const gchar *file,
84 static Pop3State pop3_lookup_next (Pop3Session *session);
85 static Pop3ErrorValue pop3_ok (Pop3Session *session,
88 static gint pop3_session_recv_msg (Session *session,
90 static gint pop3_session_recv_data_finished (Session *session,
94 static gint pop3_greeting_recv(Pop3Session *session, const gchar *msg)
96 session->state = POP3_GREETING;
98 session->greeting = g_strdup(msg);
103 static gint pop3_stls_send(Pop3Session *session)
105 session->state = POP3_STLS;
106 pop3_gen_send(session, "STLS");
110 static gint pop3_stls_recv(Pop3Session *session)
112 if (session_start_tls(SESSION(session)) < 0) {
113 session->error_val = PS_SOCKET;
118 #endif /* USE_OPENSSL */
120 static gint pop3_getauth_user_send(Pop3Session *session)
122 g_return_val_if_fail(session->user != NULL, -1);
124 session->state = POP3_GETAUTH_USER;
125 pop3_gen_send(session, "USER %s", session->user);
129 static gint pop3_getauth_pass_send(Pop3Session *session)
131 g_return_val_if_fail(session->pass != NULL, -1);
133 session->state = POP3_GETAUTH_PASS;
134 pop3_gen_send(session, "PASS %s", session->pass);
138 static gint pop3_getauth_apop_send(Pop3Session *session)
144 g_return_val_if_fail(session->user != NULL, -1);
145 g_return_val_if_fail(session->pass != NULL, -1);
147 session->state = POP3_GETAUTH_APOP;
149 if ((start = strchr(session->greeting, '<')) == NULL) {
150 log_error(_("Required APOP timestamp not found "
152 session->error_val = PS_PROTOCOL;
156 if ((end = strchr(start, '>')) == NULL || end == start + 1) {
157 log_error(_("Timestamp syntax error in greeting\n"));
158 session->error_val = PS_PROTOCOL;
164 apop_str = g_strconcat(start, session->pass, NULL);
165 md5_hex_digest(md5sum, apop_str);
168 pop3_gen_send(session, "APOP %s %s", session->user, md5sum);
173 static gint pop3_getrange_stat_send(Pop3Session *session)
175 session->state = POP3_GETRANGE_STAT;
176 pop3_gen_send(session, "STAT");
180 static gint pop3_getrange_stat_recv(Pop3Session *session, const gchar *msg)
182 if (sscanf(msg, "%d %d", &session->count, &session->total_bytes) != 2) {
183 log_error(_("POP3 protocol error\n"));
184 session->error_val = PS_PROTOCOL;
187 if (session->count == 0) {
188 session->uidl_is_valid = TRUE;
190 session->msg = g_new0(Pop3MsgInfo, session->count + 1);
191 session->cur_msg = 1;
198 static gint pop3_getrange_last_send(Pop3Session *session)
200 session->state = POP3_GETRANGE_LAST;
201 pop3_gen_send(session, "LAST");
205 static gint pop3_getrange_last_recv(Pop3Session *session, const gchar *msg)
209 if (sscanf(msg, "%d", &last) == 0) {
210 log_warning(_("POP3 protocol error\n"));
211 session->error_val = PS_PROTOCOL;
214 if (session->count > last) {
215 session->new_msg_exist = TRUE;
216 session->cur_msg = last + 1;
218 session->cur_msg = 0;
224 static gint pop3_getrange_uidl_send(Pop3Session *session)
226 session->state = POP3_GETRANGE_UIDL;
227 pop3_gen_send(session, "UIDL");
231 static gint pop3_getrange_uidl_recv(Pop3Session *session, const gchar *data,
235 gchar buf[POPBUFSIZE];
240 const gchar *p = data;
241 const gchar *lastp = data + len;
242 const gchar *newline;
245 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
247 buf_len = MIN(newline - p, sizeof(buf) - 1);
248 memcpy(buf, p, buf_len);
252 if (p < lastp && *p == '\n') p++;
254 if (sscanf(buf, "%d %" Xstr(IDLEN) "s", &num, id) != 2 ||
255 num <= 0 || num > session->count) {
256 log_warning(_("invalid UIDL response: %s\n"), buf);
260 session->msg[num].uidl = g_strdup(id);
262 recv_time = (time_t)g_hash_table_lookup(
263 session->uidl_table, id);
264 session->msg[num].recv_time = recv_time;
266 partial_recv = (gint)g_hash_table_lookup(
267 session->partial_recv_table, id);
269 if ((!session->ac_prefs->getall && recv_time != RECV_TIME_NONE)
270 || partial_recv != POP3_TOTALLY_RECEIVED) {
271 session->msg[num].received =
272 (partial_recv != POP3_MUST_COMPLETE_RECV);
273 session->msg[num].partial_recv = partial_recv;
274 if (partial_recv == POP3_MUST_COMPLETE_RECV)
275 session->new_msg_exist = TRUE;
277 if (!session->new_msg_exist &&
278 (session->ac_prefs->getall || recv_time == RECV_TIME_NONE ||
279 session->ac_prefs->rmmail)) {
280 session->cur_msg = num;
281 session->new_msg_exist = TRUE;
285 session->uidl_is_valid = TRUE;
289 static gint pop3_getsize_list_send(Pop3Session *session)
291 session->state = POP3_GETSIZE_LIST;
292 pop3_gen_send(session, "LIST");
296 static gint pop3_getsize_list_recv(Pop3Session *session, const gchar *data,
299 gchar buf[POPBUFSIZE];
302 const gchar *p = data;
303 const gchar *lastp = data + len;
304 const gchar *newline;
307 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
309 buf_len = MIN(newline - p, sizeof(buf) - 1);
310 memcpy(buf, p, buf_len);
314 if (p < lastp && *p == '\n') p++;
316 if (sscanf(buf, "%u %u", &num, &size) != 2) {
317 session->error_val = PS_PROTOCOL;
321 if (num > 0 && num <= session->count)
322 session->msg[num].size = size;
323 if (num > 0 && num < session->cur_msg)
324 session->cur_total_bytes += size;
330 static gint pop3_retr_send(Pop3Session *session)
332 session->state = POP3_RETR;
333 pop3_gen_send(session, "RETR %d", session->cur_msg);
337 static gint pop3_retr_recv(Pop3Session *session, const gchar *data, guint len)
341 MailReceiveData mail_receive_data;
343 /* NOTE: we allocate a slightly larger buffer with a zero terminator
344 * because some plugins may think that it has a C string. */
345 mail_receive_data.session = session;
346 mail_receive_data.data = g_new0(gchar, len + 1);
347 mail_receive_data.data_len = len;
348 memcpy(mail_receive_data.data, data, len);
350 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
352 file = get_tmp_file();
353 if (pop3_write_msg_to_file(file, mail_receive_data.data,
354 mail_receive_data.data_len, NULL) < 0) {
356 g_free(mail_receive_data.data);
357 session->error_val = PS_IOERR;
360 g_free(mail_receive_data.data);
362 if (session->msg[session->cur_msg].partial_recv
363 == POP3_MUST_COMPLETE_RECV) {
364 gchar *old_file = partial_get_filename(
365 session->ac_prefs->recv_server,
366 session->ac_prefs->userid,
367 session->msg[session->cur_msg].uidl);
370 partial_delete_old(old_file);
375 /* drop_ok: 0: success 1: don't receive -1: error */
376 drop_ok = session->drop_message(session, file);
380 session->error_val = PS_IOERR;
384 session->cur_total_bytes += session->msg[session->cur_msg].size;
385 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
386 session->cur_total_num++;
388 session->msg[session->cur_msg].received = TRUE;
389 session->msg[session->cur_msg].partial_recv = POP3_TOTALLY_RECEIVED;
391 session->msg[session->cur_msg].recv_time =
392 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
397 static gint pop3_top_send(Pop3Session *session, gint max_size)
399 gint num_lines = (max_size*1024)/82; /* consider lines to be 80 chars */
400 session->state = POP3_TOP;
401 pop3_gen_send(session, "TOP %d %d", session->cur_msg, num_lines);
405 static gint pop3_top_recv(Pop3Session *session, const gchar *data, guint len)
409 MailReceiveData mail_receive_data;
410 gchar *partial_notice = NULL;
412 /* NOTE: we allocate a slightly larger buffer with a zero terminator
413 * because some plugins may think that it has a C string. */
414 mail_receive_data.session = session;
415 mail_receive_data.data = g_new0(gchar, len + 1);
416 mail_receive_data.data_len = len;
417 memcpy(mail_receive_data.data, data, len);
419 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
421 partial_notice = g_strdup_printf("SC-Marked-For-Download: 0\n"
422 "SC-Partially-Retrieved: %s\n"
423 "SC-Account-Server: %s\n"
424 "SC-Account-Login: %s\n"
425 "SC-Message-Size: %d",
426 session->msg[session->cur_msg].uidl,
427 session->ac_prefs->recv_server,
428 session->ac_prefs->userid,
429 session->msg[session->cur_msg].size);
430 file = get_tmp_file();
431 if (pop3_write_msg_to_file(file, mail_receive_data.data,
432 mail_receive_data.data_len,
433 partial_notice) < 0) {
435 g_free(mail_receive_data.data);
436 session->error_val = PS_IOERR;
437 g_free(partial_notice);
440 g_free(mail_receive_data.data);
441 g_free(partial_notice);
443 /* drop_ok: 0: success 1: don't receive -1: error */
444 drop_ok = session->drop_message(session, file);
447 session->error_val = PS_IOERR;
451 session->cur_total_bytes += session->msg[session->cur_msg].size;
452 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
453 session->cur_total_num++;
455 session->msg[session->cur_msg].received = TRUE;
456 session->msg[session->cur_msg].partial_recv = POP3_PARTIALLY_RECEIVED;
457 session->msg[session->cur_msg].recv_time =
458 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
463 static gint pop3_delete_send(Pop3Session *session)
465 session->state = POP3_DELETE;
466 pop3_gen_send(session, "DELE %d", session->cur_msg);
470 static gint pop3_delete_recv(Pop3Session *session)
472 session->msg[session->cur_msg].deleted = TRUE;
476 static gint pop3_logout_send(Pop3Session *session)
478 session->state = POP3_LOGOUT;
479 pop3_gen_send(session, "QUIT");
483 static void pop3_gen_send(Pop3Session *session, const gchar *format, ...)
485 gchar buf[POPBUFSIZE + 1];
488 va_start(args, format);
489 g_vsnprintf(buf, sizeof(buf) - 2, format, args);
492 if (!g_ascii_strncasecmp(buf, "PASS ", 5))
493 log_print("POP3> PASS ********\n");
495 log_print("POP3> %s\n", buf);
497 session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
500 Session *pop3_session_new(PrefsAccount *account)
502 Pop3Session *session;
504 g_return_val_if_fail(account != NULL, NULL);
506 session = g_new0(Pop3Session, 1);
508 session_init(SESSION(session));
510 SESSION(session)->type = SESSION_POP3;
512 SESSION(session)->recv_msg = pop3_session_recv_msg;
513 SESSION(session)->recv_data_finished = pop3_session_recv_data_finished;
514 SESSION(session)->send_data_finished = NULL;
516 SESSION(session)->destroy = pop3_session_destroy;
518 session->state = POP3_READY;
519 session->ac_prefs = account;
520 session->pop_before_smtp = FALSE;
521 pop3_get_uidl_table(account, session);
522 session->current_time = time(NULL);
523 session->error_val = PS_SUCCESS;
524 session->error_msg = NULL;
526 return SESSION(session);
529 static void pop3_session_destroy(Session *session)
531 Pop3Session *pop3_session = POP3_SESSION(session);
534 g_return_if_fail(session != NULL);
536 for (n = 1; n <= pop3_session->count; n++)
537 g_free(pop3_session->msg[n].uidl);
538 g_free(pop3_session->msg);
540 if (pop3_session->uidl_table) {
541 hash_free_strings(pop3_session->uidl_table);
542 g_hash_table_destroy(pop3_session->uidl_table);
545 if (pop3_session->partial_recv_table) {
546 hash_free_strings(pop3_session->partial_recv_table);
547 g_hash_table_destroy(pop3_session->partial_recv_table);
550 g_free(pop3_session->greeting);
551 g_free(pop3_session->user);
552 g_free(pop3_session->pass);
553 g_free(pop3_session->error_msg);
556 void pop3_get_uidl_table(PrefsAccount *ac_prefs, Pop3Session *session)
559 GHashTable *partial_recv_table;
562 gchar buf[POPBUFSIZE];
563 gchar uidl[POPBUFSIZE];
567 gchar *sanitized_uid = g_strdup(ac_prefs->userid);
569 subst_for_filename(sanitized_uid);
571 table = g_hash_table_new(g_str_hash, g_str_equal);
572 partial_recv_table = g_hash_table_new(g_str_hash, g_str_equal);
574 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
575 "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
576 "-", sanitized_uid, NULL);
578 g_free(sanitized_uid);
579 if ((fp = g_fopen(path, "rb")) == NULL) {
580 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
582 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
583 "uidl-", ac_prefs->recv_server,
584 "-", ac_prefs->userid, NULL);
585 if ((fp = g_fopen(path, "rb")) == NULL) {
586 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
588 session->uidl_table = table;
589 session->partial_recv_table = partial_recv_table;
597 while (fgets(buf, sizeof(buf), fp) != NULL) {
598 gchar tmp[POPBUFSIZE];
600 recv_time = RECV_TIME_NONE;
601 partial_recv = POP3_TOTALLY_RECEIVED;
603 if (sscanf(buf, "%s\t%ld\t%s", uidl, (long int *) &recv_time, tmp) < 3) {
604 if (sscanf(buf, "%s\t%ld", uidl, (long int *) &recv_time) != 2) {
605 if (sscanf(buf, "%s", uidl) != 1)
616 if (recv_time == RECV_TIME_NONE)
617 recv_time = RECV_TIME_RECEIVED;
618 g_hash_table_insert(table, g_strdup(uidl),
619 GINT_TO_POINTER(recv_time));
620 if (strlen(tmp) == 1)
621 partial_recv = atoi(tmp); /* totally received ?*/
623 partial_recv = POP3_MUST_COMPLETE_RECV;
625 g_hash_table_insert(partial_recv_table, g_strdup(uidl),
626 GINT_TO_POINTER(partial_recv));
630 session->uidl_table = table;
631 session->partial_recv_table = partial_recv_table;
636 gint pop3_write_uidl_list(Pop3Session *session)
642 gchar *sanitized_uid = g_strdup(session->ac_prefs->userid);
644 subst_for_filename(sanitized_uid);
647 if (!session->uidl_is_valid) return 0;
649 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
650 "uidl", G_DIR_SEPARATOR_S,
651 session->ac_prefs->recv_server,
652 "-", sanitized_uid, NULL);
654 g_free(sanitized_uid);
656 if ((fp = g_fopen(path, "wb")) == NULL) {
657 FILE_OP_ERROR(path, "fopen");
662 for (n = 1; n <= session->count; n++) {
663 msg = &session->msg[n];
664 if (msg->uidl && msg->received &&
665 (!msg->deleted || session->state != POP3_DONE))
666 fprintf(fp, "%s\t%ld\t%d\n",
667 msg->uidl, (long int) msg->recv_time, msg->partial_recv);
670 if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
676 static gint pop3_write_msg_to_file(const gchar *file, const gchar *data,
677 guint len, const gchar *prefix)
680 const gchar *prev, *cur;
682 g_return_val_if_fail(file != NULL, -1);
684 if ((fp = g_fopen(file, "wb")) == NULL) {
685 FILE_OP_ERROR(file, "fopen");
689 if (change_file_mode_rw(fp, file) < 0)
690 FILE_OP_ERROR(file, "chmod");
692 if (prefix != NULL) {
693 fprintf(fp, "%s", prefix);
697 /* +------------------+----------------+--------------------------+ *
698 * ^data ^prev ^cur data+len-1^ */
701 while ((cur = (gchar *)my_memmem(prev, len - (prev - data), "\r\n", 2))
703 if ((cur > prev && fwrite(prev, 1, cur - prev, fp) < 1) ||
704 fputc('\n', fp) == EOF) {
705 FILE_OP_ERROR(file, "fwrite");
706 g_warning("can't write to file: %s\n", file);
712 if (cur == data + len - 1) {
717 if (*(cur + 1) == '\n')
722 if (prev - data < len - 1 && *prev == '.' && *(prev + 1) == '.')
725 if (prev - data >= len)
729 if (prev - data < len &&
730 fwrite(prev, 1, len - (prev - data), fp) < 1) {
731 FILE_OP_ERROR(file, "fwrite");
732 g_warning("can't write to file: %s\n", file);
737 if (data[len - 1] != '\r' && data[len - 1] != '\n') {
738 if (fputc('\n', fp) == EOF) {
739 FILE_OP_ERROR(file, "fputc");
740 g_warning("can't write to file: %s\n", file);
747 if (fclose(fp) == EOF) {
748 FILE_OP_ERROR(file, "fclose");
756 static Pop3State pop3_lookup_next(Pop3Session *session)
759 PrefsAccount *ac = session->ac_prefs;
761 gboolean size_limit_over;
764 msg = &session->msg[session->cur_msg];
767 (ac->enable_size_limit &&
768 ac->size_limit > 0 &&
769 size > ac->size_limit * 1024);
772 msg->recv_time != RECV_TIME_NONE &&
773 msg->recv_time != RECV_TIME_KEEP &&
774 msg->partial_recv == POP3_TOTALLY_RECEIVED &&
775 session->current_time - msg->recv_time >=
776 ac->msg_leave_time * 24 * 60 * 60) {
778 (_("POP3: Deleting expired message "
779 "%d\n"), session->cur_msg);
780 session->cur_total_bytes += size;
781 pop3_delete_send(session);
785 if (size_limit_over) {
786 if (!msg->received && msg->partial_recv !=
787 POP3_MUST_COMPLETE_RECV) {
788 pop3_top_send(session, ac->size_limit);
790 } else if (msg->partial_recv == POP3_MUST_COMPLETE_RECV)
794 (_("POP3: Skipping message %d (%d bytes)\n"),
795 session->cur_msg, size);
798 if (size == 0 || msg->received || size_limit_over) {
799 session->cur_total_bytes += size;
800 if (session->cur_msg == session->count) {
801 pop3_logout_send(session);
809 pop3_retr_send(session);
813 static Pop3ErrorValue pop3_ok(Pop3Session *session, const gchar *msg)
817 log_print("POP3< %s\n", msg);
819 if (!strncmp(msg, "+OK", 3))
821 else if (!strncmp(msg, "-ERR", 4)) {
822 if (strstr(msg + 4, "lock") ||
823 strstr(msg + 4, "Lock") ||
824 strstr(msg + 4, "LOCK") ||
825 strstr(msg + 4, "wait")) {
826 log_error(_("mailbox is locked\n"));
828 } else if (strcasestr(msg + 4, "timeout")) {
829 log_error(_("Session timeout\n"));
832 switch (session->state) {
835 log_error(_("can't start TLS session\n"));
839 case POP3_GETAUTH_USER:
840 case POP3_GETAUTH_PASS:
841 case POP3_GETAUTH_APOP:
842 log_error(_("error occurred on authentication\n"));
845 case POP3_GETRANGE_LAST:
846 case POP3_GETRANGE_UIDL:
848 log_warning(_("command not supported\n"));
849 ok = PS_NOTSUPPORTED;
853 log_error(_("error occurred on POP3 session\n"));
858 g_free(session->error_msg);
859 session->error_msg = g_strdup(msg);
860 fprintf(stderr, "POP3: %s\n", msg);
864 session->error_val = ok;
868 static gint pop3_session_recv_msg(Session *session, const gchar *msg)
870 Pop3Session *pop3_session = POP3_SESSION(session);
871 Pop3ErrorValue val = PS_SUCCESS;
875 if (pop3_session->state != POP3_GETRANGE_UIDL_RECV &&
876 pop3_session->state != POP3_GETSIZE_LIST_RECV) {
877 val = pop3_ok(pop3_session, msg);
878 if (val != PS_SUCCESS) {
879 if (val != PS_NOTSUPPORTED) {
880 pop3_session->state = POP3_ERROR;
885 if (*body == '+' || *body == '-')
887 while (g_ascii_isalpha(*body))
889 while (g_ascii_isspace(*body))
893 switch (pop3_session->state) {
896 pop3_greeting_recv(pop3_session, body);
898 if (pop3_session->ac_prefs->ssl_pop == SSL_STARTTLS)
899 pop3_stls_send(pop3_session);
902 if (pop3_session->ac_prefs->use_apop_auth)
903 pop3_getauth_apop_send(pop3_session);
905 pop3_getauth_user_send(pop3_session);
909 if (pop3_stls_recv(pop3_session) != PS_SUCCESS)
911 if (pop3_session->ac_prefs->use_apop_auth)
912 pop3_getauth_apop_send(pop3_session);
914 pop3_getauth_user_send(pop3_session);
917 case POP3_GETAUTH_USER:
918 pop3_getauth_pass_send(pop3_session);
920 case POP3_GETAUTH_PASS:
921 case POP3_GETAUTH_APOP:
922 if (!pop3_session->pop_before_smtp)
923 pop3_getrange_stat_send(pop3_session);
925 pop3_logout_send(pop3_session);
927 case POP3_GETRANGE_STAT:
928 if (pop3_getrange_stat_recv(pop3_session, body) < 0)
930 if (pop3_session->count > 0)
931 pop3_getrange_uidl_send(pop3_session);
933 pop3_logout_send(pop3_session);
935 case POP3_GETRANGE_LAST:
936 if (val == PS_NOTSUPPORTED)
937 pop3_session->error_val = PS_SUCCESS;
938 else if (pop3_getrange_last_recv(pop3_session, body) < 0)
940 if (pop3_session->cur_msg > 0)
941 pop3_getsize_list_send(pop3_session);
943 pop3_logout_send(pop3_session);
945 case POP3_GETRANGE_UIDL:
946 if (val == PS_NOTSUPPORTED) {
947 pop3_session->error_val = PS_SUCCESS;
948 pop3_getrange_last_send(pop3_session);
950 pop3_session->state = POP3_GETRANGE_UIDL_RECV;
951 session_recv_data(session, 0, ".\r\n");
954 case POP3_GETSIZE_LIST:
955 pop3_session->state = POP3_GETSIZE_LIST_RECV;
956 session_recv_data(session, 0, ".\r\n");
959 pop3_session->state = POP3_RETR_RECV;
960 session_recv_data(session, 0, ".\r\n");
963 if (val == PS_NOTSUPPORTED) {
964 pop3_session->error_val = PS_SUCCESS;
966 pop3_session->state = POP3_TOP_RECV;
967 session_recv_data(session, 0, ".\r\n");
971 pop3_delete_recv(pop3_session);
972 if (pop3_session->cur_msg == pop3_session->count)
973 pop3_logout_send(pop3_session);
975 pop3_session->cur_msg++;
976 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
981 pop3_session->state = POP3_DONE;
982 session_disconnect(session);
992 static gint pop3_session_recv_data_finished(Session *session, guchar *data,
995 Pop3Session *pop3_session = POP3_SESSION(session);
996 Pop3ErrorValue val = PS_SUCCESS;
998 switch (pop3_session->state) {
999 case POP3_GETRANGE_UIDL_RECV:
1000 val = pop3_getrange_uidl_recv(pop3_session, data, len);
1001 if (val == PS_SUCCESS) {
1002 if (pop3_session->new_msg_exist)
1003 pop3_getsize_list_send(pop3_session);
1005 pop3_logout_send(pop3_session);
1009 case POP3_GETSIZE_LIST_RECV:
1010 val = pop3_getsize_list_recv(pop3_session, data, len);
1011 if (val == PS_SUCCESS) {
1012 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1017 case POP3_RETR_RECV:
1018 if (pop3_retr_recv(pop3_session, data, len) < 0)
1021 if (pop3_session->ac_prefs->rmmail &&
1022 pop3_session->ac_prefs->msg_leave_time == 0 &&
1023 pop3_session->msg[pop3_session->cur_msg].recv_time
1025 pop3_delete_send(pop3_session);
1026 else if (pop3_session->cur_msg == pop3_session->count)
1027 pop3_logout_send(pop3_session);
1029 pop3_session->cur_msg++;
1030 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1035 if (pop3_top_recv(pop3_session, data, len) < 0)
1038 if (pop3_session->cur_msg == pop3_session->count)
1039 pop3_logout_send(pop3_session);
1041 pop3_session->cur_msg++;
1042 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1047 log_warning(_("TOP command unsupported\n"));
1048 if (pop3_session->cur_msg == pop3_session->count)
1049 pop3_logout_send(pop3_session);
1051 pop3_session->cur_msg++;
1052 if (pop3_lookup_next(pop3_session) == POP3_ERROR)