2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
22 #include "claws-features.h"
26 #include <glib/gi18n.h>
37 #include "prefs_account.h"
40 #include "partial_download.h"
44 static gint pop3_greeting_recv (Pop3Session *session,
46 static gint pop3_getauth_user_send (Pop3Session *session);
47 static gint pop3_getauth_pass_send (Pop3Session *session);
48 static gint pop3_getauth_apop_send (Pop3Session *session);
50 static gint pop3_stls_send (Pop3Session *session);
51 static gint pop3_stls_recv (Pop3Session *session);
53 static gint pop3_getrange_stat_send (Pop3Session *session);
54 static gint pop3_getrange_stat_recv (Pop3Session *session,
56 static gint pop3_getrange_last_send (Pop3Session *session);
57 static gint pop3_getrange_last_recv (Pop3Session *session,
59 static gint pop3_getrange_uidl_send (Pop3Session *session);
60 static gint pop3_getrange_uidl_recv (Pop3Session *session,
63 static gint pop3_getsize_list_send (Pop3Session *session);
64 static gint pop3_getsize_list_recv (Pop3Session *session,
67 static gint pop3_retr_send (Pop3Session *session);
68 static gint pop3_retr_recv (Pop3Session *session,
71 static gint pop3_delete_send (Pop3Session *session);
72 static gint pop3_delete_recv (Pop3Session *session);
73 static gint pop3_logout_send (Pop3Session *session);
75 static void pop3_gen_send (Pop3Session *session,
76 const gchar *format, ...);
78 static void pop3_session_destroy (Session *session);
80 static gint pop3_write_msg_to_file (const gchar *file,
85 static Pop3State pop3_lookup_next (Pop3Session *session);
86 static Pop3ErrorValue pop3_ok (Pop3Session *session,
89 static gint pop3_session_recv_msg (Session *session,
91 static gint pop3_session_recv_data_finished (Session *session,
94 static void pop3_get_uidl_table(PrefsAccount *ac_prefs, Pop3Session *session);
96 static gint pop3_greeting_recv(Pop3Session *session, const gchar *msg)
98 session->state = POP3_GREETING;
100 session->greeting = g_strdup(msg);
105 static gint pop3_stls_send(Pop3Session *session)
107 session->state = POP3_STLS;
108 pop3_gen_send(session, "STLS");
112 static gint pop3_stls_recv(Pop3Session *session)
114 if (session_start_tls(SESSION(session)) < 0) {
115 session->error_val = PS_SOCKET;
120 #endif /* USE_GNUTLS */
122 static gint pop3_getauth_user_send(Pop3Session *session)
124 cm_return_val_if_fail(session->user != NULL, -1);
126 session->state = POP3_GETAUTH_USER;
127 pop3_gen_send(session, "USER %s", session->user);
131 static gint pop3_getauth_pass_send(Pop3Session *session)
133 cm_return_val_if_fail(session->pass != NULL, -1);
135 session->state = POP3_GETAUTH_PASS;
136 pop3_gen_send(session, "PASS %s", session->pass);
140 static gint pop3_getauth_apop_send(Pop3Session *session)
146 cm_return_val_if_fail(session->user != NULL, -1);
147 cm_return_val_if_fail(session->pass != NULL, -1);
149 session->state = POP3_GETAUTH_APOP;
151 if ((start = strchr(session->greeting, '<')) == NULL) {
152 log_error(LOG_PROTOCOL, _("Required APOP timestamp not found "
154 session->error_val = PS_PROTOCOL;
158 if ((end = strchr(start, '>')) == NULL || end == start + 1) {
159 log_error(LOG_PROTOCOL, _("Timestamp syntax error in greeting\n"));
160 session->error_val = PS_PROTOCOL;
165 if (!is_ascii_str(start)) {
166 log_error(LOG_PROTOCOL, _("Timestamp syntax error in greeting (not ASCII)\n"));
167 session->error_val = PS_PROTOCOL;
171 apop_str = g_strconcat(start, session->pass, NULL);
172 md5_hex_digest(md5sum, apop_str);
175 pop3_gen_send(session, "APOP %s %s", session->user, md5sum);
180 static gint pop3_getrange_stat_send(Pop3Session *session)
182 session->state = POP3_GETRANGE_STAT;
183 pop3_gen_send(session, "STAT");
187 static gint pop3_getrange_stat_recv(Pop3Session *session, const gchar *msg)
189 if (sscanf(msg, "%d %d", &session->count, &session->total_bytes) != 2) {
190 log_error(LOG_PROTOCOL, _("POP3 protocol error\n"));
191 session->error_val = PS_PROTOCOL;
194 if (session->count == 0) {
195 session->uidl_is_valid = TRUE;
197 session->msg = g_new0(Pop3MsgInfo, session->count + 1);
198 session->cur_msg = 1;
205 static gint pop3_getrange_last_send(Pop3Session *session)
207 session->state = POP3_GETRANGE_LAST;
208 pop3_gen_send(session, "LAST");
212 static gint pop3_getrange_last_recv(Pop3Session *session, const gchar *msg)
216 if (sscanf(msg, "%d", &last) == 0) {
217 log_warning(LOG_PROTOCOL, _("POP3 protocol error\n"));
218 session->error_val = PS_PROTOCOL;
221 if (session->count > last) {
222 session->new_msg_exist = TRUE;
223 session->cur_msg = last + 1;
225 session->cur_msg = 0;
231 static gint pop3_getrange_uidl_send(Pop3Session *session)
233 session->state = POP3_GETRANGE_UIDL;
234 pop3_gen_send(session, "UIDL");
238 static gint pop3_getrange_uidl_recv(Pop3Session *session, const gchar *data,
242 gchar buf[POPBUFSIZE];
247 const gchar *p = data;
248 const gchar *lastp = data + len;
249 const gchar *newline;
252 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
254 buf_len = MIN(newline - p, sizeof(buf) - 1);
255 memcpy(buf, p, buf_len);
259 if (p < lastp && *p == '\n') p++;
261 if (sscanf(buf, "%d %" Xstr(IDLEN) "s", &num, id) != 2 ||
262 num <= 0 || num > session->count) {
263 log_warning(LOG_PROTOCOL, _("invalid UIDL response: %s\n"), buf);
267 session->msg[num].uidl = g_strdup(id);
269 recv_time = (time_t)(GPOINTER_TO_INT(g_hash_table_lookup(
270 session->uidl_table, id)));
271 session->msg[num].recv_time = recv_time;
273 if (recv_time != RECV_TIME_NONE) {
274 debug_print("num %d uidl %s: already got it\n", num, id);
276 debug_print("num %d uidl %s: unknown\n", num, id);
279 partial_recv = (gint)(GPOINTER_TO_INT(g_hash_table_lookup(
280 session->partial_recv_table, id)));
282 if (recv_time != RECV_TIME_NONE
283 || partial_recv != POP3_TOTALLY_RECEIVED) {
284 session->msg[num].received =
285 (partial_recv != POP3_MUST_COMPLETE_RECV);
286 session->msg[num].partial_recv = partial_recv;
287 if (partial_recv == POP3_MUST_COMPLETE_RECV)
288 session->new_msg_exist = TRUE;
290 if (!session->new_msg_exist &&
291 (recv_time == RECV_TIME_NONE ||
292 session->ac_prefs->rmmail)) {
293 session->cur_msg = num;
294 session->new_msg_exist = TRUE;
298 session->uidl_is_valid = TRUE;
302 static gint pop3_getsize_list_send(Pop3Session *session)
304 session->state = POP3_GETSIZE_LIST;
305 pop3_gen_send(session, "LIST");
309 static gint pop3_getsize_list_recv(Pop3Session *session, const gchar *data,
312 gchar buf[POPBUFSIZE];
315 const gchar *p = data;
316 const gchar *lastp = data + len;
317 const gchar *newline;
320 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
322 buf_len = MIN(newline - p, sizeof(buf) - 1);
323 memcpy(buf, p, buf_len);
327 if (p < lastp && *p == '\n') p++;
329 if (sscanf(buf, "%u %u", &num, &size) != 2) {
330 session->error_val = PS_PROTOCOL;
334 if (num > 0 && num <= session->count)
335 session->msg[num].size = size;
336 if (num > 0 && num < session->cur_msg)
337 session->cur_total_bytes += size;
343 static gint pop3_retr_send(Pop3Session *session)
345 session->state = POP3_RETR;
346 debug_print("retrieving %d [%s]\n", session->cur_msg,
347 session->msg[session->cur_msg].uidl ?
348 session->msg[session->cur_msg].uidl:" ");
349 pop3_gen_send(session, "RETR %d", session->cur_msg);
353 static gint pop3_retr_recv(Pop3Session *session, const gchar *data, guint len)
357 MailReceiveData mail_receive_data;
359 /* NOTE: we allocate a slightly larger buffer with a zero terminator
360 * because some plugins may think that it has a C string. */
361 mail_receive_data.session = session;
362 mail_receive_data.data = g_new0(gchar, len + 1);
363 mail_receive_data.data_len = len;
364 memcpy(mail_receive_data.data, data, len);
366 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
368 file = get_tmp_file();
369 if (pop3_write_msg_to_file(file, mail_receive_data.data,
370 mail_receive_data.data_len, NULL) < 0) {
372 g_free(mail_receive_data.data);
373 session->error_val = PS_IOERR;
376 g_free(mail_receive_data.data);
378 if (session->msg[session->cur_msg].partial_recv
379 == POP3_MUST_COMPLETE_RECV) {
380 gchar *old_file = partial_get_filename(
381 session->ac_prefs->recv_server,
382 session->ac_prefs->userid,
383 session->msg[session->cur_msg].uidl);
386 partial_delete_old(old_file);
391 /* drop_ok: 0: success 1: don't receive -1: error */
392 drop_ok = session->drop_message(session, file);
396 session->error_val = PS_IOERR;
400 session->cur_total_bytes += session->msg[session->cur_msg].size;
401 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
402 session->cur_total_num++;
404 session->msg[session->cur_msg].received = TRUE;
405 session->msg[session->cur_msg].partial_recv = POP3_TOTALLY_RECEIVED;
407 session->msg[session->cur_msg].recv_time =
408 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
413 static gint pop3_top_send(Pop3Session *session, gint max_size)
415 gint num_lines = (max_size*1024)/82; /* consider lines to be 80 chars */
416 session->state = POP3_TOP;
417 pop3_gen_send(session, "TOP %d %d", session->cur_msg, num_lines);
421 static gint pop3_top_recv(Pop3Session *session, const gchar *data, guint len)
425 MailReceiveData mail_receive_data;
426 gchar *partial_notice = NULL;
428 /* NOTE: we allocate a slightly larger buffer with a zero terminator
429 * because some plugins may think that it has a C string. */
430 mail_receive_data.session = session;
431 mail_receive_data.data = g_new0(gchar, len + 1);
432 mail_receive_data.data_len = len;
433 memcpy(mail_receive_data.data, data, len);
435 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
437 partial_notice = g_strdup_printf("SC-Marked-For-Download: 0\n"
438 "SC-Partially-Retrieved: %s\n"
439 "SC-Account-Server: %s\n"
440 "SC-Account-Login: %s\n"
441 "SC-Message-Size: %d",
442 session->msg[session->cur_msg].uidl,
443 session->ac_prefs->recv_server,
444 session->ac_prefs->userid,
445 session->msg[session->cur_msg].size);
446 file = get_tmp_file();
447 if (pop3_write_msg_to_file(file, mail_receive_data.data,
448 mail_receive_data.data_len,
449 partial_notice) < 0) {
451 g_free(mail_receive_data.data);
452 session->error_val = PS_IOERR;
453 g_free(partial_notice);
456 g_free(mail_receive_data.data);
457 g_free(partial_notice);
459 /* drop_ok: 0: success 1: don't receive -1: error */
460 drop_ok = session->drop_message(session, file);
463 session->error_val = PS_IOERR;
467 session->cur_total_bytes += session->msg[session->cur_msg].size;
468 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
469 session->cur_total_num++;
471 session->msg[session->cur_msg].received = TRUE;
472 session->msg[session->cur_msg].partial_recv = POP3_PARTIALLY_RECEIVED;
473 session->msg[session->cur_msg].recv_time =
474 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
479 static gint pop3_delete_send(Pop3Session *session)
481 session->state = POP3_DELETE;
482 pop3_gen_send(session, "DELE %d", session->cur_msg);
486 static gint pop3_delete_recv(Pop3Session *session)
488 session->msg[session->cur_msg].deleted = TRUE;
492 static gint pop3_logout_send(Pop3Session *session)
494 session->state = POP3_LOGOUT;
495 pop3_gen_send(session, "QUIT");
499 static void pop3_gen_send(Pop3Session *session, const gchar *format, ...)
501 gchar buf[POPBUFSIZE + 1];
504 va_start(args, format);
505 g_vsnprintf(buf, sizeof(buf) - 2, format, args);
508 if (!g_ascii_strncasecmp(buf, "PASS ", 5))
509 log_print(LOG_PROTOCOL, "POP3> PASS ********\n");
511 log_print(LOG_PROTOCOL, "POP3> %s\n", buf);
513 session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
516 Session *pop3_session_new(PrefsAccount *account)
518 Pop3Session *session;
520 cm_return_val_if_fail(account != NULL, NULL);
522 account->receive_in_progress = TRUE;
524 session = g_new0(Pop3Session, 1);
526 session_init(SESSION(session), account, FALSE);
528 SESSION(session)->type = SESSION_POP3;
530 SESSION(session)->recv_msg = pop3_session_recv_msg;
531 SESSION(session)->recv_data_finished = pop3_session_recv_data_finished;
532 SESSION(session)->send_data_finished = NULL;
534 SESSION(session)->destroy = pop3_session_destroy;
536 session->state = POP3_READY;
537 session->ac_prefs = account;
538 session->pop_before_smtp = FALSE;
539 pop3_get_uidl_table(account, session);
540 session->current_time = time(NULL);
541 session->error_val = PS_SUCCESS;
542 session->error_msg = NULL;
544 return SESSION(session);
547 static void pop3_session_destroy(Session *session)
549 Pop3Session *pop3_session = POP3_SESSION(session);
552 cm_return_if_fail(session != NULL);
554 for (n = 1; n <= pop3_session->count; n++)
555 g_free(pop3_session->msg[n].uidl);
556 g_free(pop3_session->msg);
558 if (pop3_session->uidl_table) {
559 hash_free_strings(pop3_session->uidl_table);
560 g_hash_table_destroy(pop3_session->uidl_table);
563 if (pop3_session->partial_recv_table) {
564 hash_free_strings(pop3_session->partial_recv_table);
565 g_hash_table_destroy(pop3_session->partial_recv_table);
568 g_free(pop3_session->greeting);
569 g_free(pop3_session->user);
570 g_free(pop3_session->pass);
571 g_free(pop3_session->error_msg);
573 pop3_session->ac_prefs->receive_in_progress = FALSE;
576 static void pop3_get_uidl_table(PrefsAccount *ac_prefs, Pop3Session *session)
579 GHashTable *partial_recv_table;
582 gchar buf[POPBUFSIZE];
583 gchar uidl[POPBUFSIZE];
587 gchar *sanitized_uid = g_strdup(ac_prefs->userid);
589 subst_for_filename(sanitized_uid);
591 table = g_hash_table_new(g_str_hash, g_str_equal);
592 partial_recv_table = g_hash_table_new(g_str_hash, g_str_equal);
594 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
595 "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
596 "-", sanitized_uid, NULL);
598 g_free(sanitized_uid);
599 if ((fp = g_fopen(path, "rb")) == NULL) {
600 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
602 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
603 "uidl-", ac_prefs->recv_server,
604 "-", ac_prefs->userid, NULL);
605 if ((fp = g_fopen(path, "rb")) == NULL) {
606 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
608 session->uidl_table = table;
609 session->partial_recv_table = partial_recv_table;
617 while (fgets(buf, sizeof(buf), fp) != NULL) {
618 gchar tmp[POPBUFSIZE];
620 recv_time = RECV_TIME_NONE;
621 partial_recv = POP3_TOTALLY_RECEIVED;
623 if (sscanf(buf, "%s\t%ld\t%s", uidl, (long int *) &recv_time, tmp) < 3) {
624 if (sscanf(buf, "%s\t%ld", uidl, (long int *) &recv_time) != 2) {
625 if (sscanf(buf, "%s", uidl) != 1)
636 if (recv_time == RECV_TIME_NONE)
637 recv_time = RECV_TIME_RECEIVED;
638 g_hash_table_insert(table, g_strdup(uidl),
639 GINT_TO_POINTER(recv_time));
640 if (strlen(tmp) == 1)
641 partial_recv = atoi(tmp); /* totally received ?*/
643 partial_recv = POP3_MUST_COMPLETE_RECV;
645 g_hash_table_insert(partial_recv_table, g_strdup(uidl),
646 GINT_TO_POINTER(partial_recv));
650 session->uidl_table = table;
651 session->partial_recv_table = partial_recv_table;
659 g_warning("failed to write\n"); \
663 gint pop3_write_uidl_list(Pop3Session *session)
665 gchar *path, *tmp_path;
669 gchar *sanitized_uid = g_strdup(session->ac_prefs->userid);
671 subst_for_filename(sanitized_uid);
673 if (!session->uidl_is_valid) {
674 g_free(sanitized_uid);
678 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
679 "uidl", G_DIR_SEPARATOR_S,
680 session->ac_prefs->recv_server,
681 "-", sanitized_uid, NULL);
682 tmp_path = g_strconcat(path, ".tmp", NULL);
684 g_free(sanitized_uid);
686 if ((fp = g_fopen(tmp_path, "wb")) == NULL) {
687 FILE_OP_ERROR(tmp_path, "fopen");
691 for (n = 1; n <= session->count; n++) {
692 msg = &session->msg[n];
693 if (msg->uidl && msg->received &&
694 (!msg->deleted || session->state != POP3_DONE))
695 TRY(fprintf(fp, "%s\t%ld\t%d\n",
696 msg->uidl, (long int)
702 if (fclose(fp) == EOF) {
703 FILE_OP_ERROR(tmp_path, "fclose");
711 if (g_rename(tmp_path, path) < 0) {
712 FILE_OP_ERROR(path, "rename");
728 static gint pop3_write_msg_to_file(const gchar *file, const gchar *data,
729 guint len, const gchar *prefix)
732 const gchar *prev, *cur;
734 cm_return_val_if_fail(file != NULL, -1);
736 if ((fp = g_fopen(file, "wb")) == NULL) {
737 FILE_OP_ERROR(file, "fopen");
741 if (change_file_mode_rw(fp, file) < 0)
742 FILE_OP_ERROR(file, "chmod");
744 if (prefix != NULL) {
745 if (fprintf(fp, "%s\n", prefix) < 0) {
746 FILE_OP_ERROR(file, "fprintf");
753 /* +------------------+----------------+--------------------------+ *
754 * ^data ^prev ^cur data+len-1^ */
757 while ((cur = (gchar *)my_memmem(prev, len - (prev - data), "\r\n", 2))
759 if ((cur > prev && fwrite(prev, 1, cur - prev, fp) < 1) ||
760 fputc('\n', fp) == EOF) {
761 FILE_OP_ERROR(file, "fwrite");
762 g_warning("can't write to file: %s\n", file);
768 if (cur == data + len - 1) {
773 if (*(cur + 1) == '\n')
778 if (prev - data < len - 1 && *prev == '.' && *(prev + 1) == '.')
781 if (prev - data >= len)
785 if (prev - data < len &&
786 fwrite(prev, 1, len - (prev - data), fp) < 1) {
787 FILE_OP_ERROR(file, "fwrite");
788 g_warning("can't write to file: %s\n", file);
793 if (data[len - 1] != '\r' && data[len - 1] != '\n') {
794 if (fputc('\n', fp) == EOF) {
795 FILE_OP_ERROR(file, "fputc");
796 g_warning("can't write to file: %s\n", file);
803 if (fclose(fp) == EOF) {
804 FILE_OP_ERROR(file, "fclose");
812 static Pop3State pop3_lookup_next(Pop3Session *session)
815 PrefsAccount *ac = session->ac_prefs;
817 gboolean size_limit_over;
820 msg = &session->msg[session->cur_msg];
823 (ac->enable_size_limit &&
824 ac->size_limit > 0 &&
825 size > ac->size_limit * 1024);
828 msg->recv_time != RECV_TIME_NONE &&
829 msg->recv_time != RECV_TIME_KEEP &&
830 msg->partial_recv == POP3_TOTALLY_RECEIVED &&
831 session->current_time - msg->recv_time >=
832 ((ac->msg_leave_time * 24 * 60 * 60) +
833 (ac->msg_leave_hour * 60 * 60))) {
834 log_message(LOG_PROTOCOL,
835 _("POP3: Deleting expired message %d [%s]\n"),
836 session->cur_msg, msg->uidl?msg->uidl:" ");
837 session->cur_total_bytes += size;
838 pop3_delete_send(session);
842 if (size_limit_over) {
843 if (!msg->received && msg->partial_recv !=
844 POP3_MUST_COMPLETE_RECV) {
845 pop3_top_send(session, ac->size_limit);
847 } else if (msg->partial_recv == POP3_MUST_COMPLETE_RECV)
850 log_message(LOG_PROTOCOL,
851 _("POP3: Skipping message %d [%s] (%d bytes)\n"),
852 session->cur_msg, msg->uidl?msg->uidl:" ", size);
855 if (size == 0 || msg->received || size_limit_over) {
856 session->cur_total_bytes += size;
857 if (session->cur_msg == session->count) {
858 pop3_logout_send(session);
866 pop3_retr_send(session);
870 static Pop3ErrorValue pop3_ok(Pop3Session *session, const gchar *msg)
874 log_print(LOG_PROTOCOL, "POP3< %s\n", msg);
876 if (!strncmp(msg, "+OK", 3))
878 else if (!strncmp(msg, "-ERR", 4)) {
879 if (strstr(msg + 4, "lock") ||
880 strstr(msg + 4, "Lock") ||
881 strstr(msg + 4, "LOCK") ||
882 strstr(msg + 4, "wait")) {
883 log_error(LOG_PROTOCOL, _("mailbox is locked\n"));
885 } else if (strcasestr(msg + 4, "timeout")) {
886 log_error(LOG_PROTOCOL, _("Session timeout\n"));
889 switch (session->state) {
892 log_error(LOG_PROTOCOL, _("couldn't start TLS session\n"));
896 case POP3_GETAUTH_USER:
897 case POP3_GETAUTH_PASS:
898 case POP3_GETAUTH_APOP:
899 log_error(LOG_PROTOCOL, _("error occurred on authentication\n"));
902 case POP3_GETRANGE_LAST:
903 case POP3_GETRANGE_UIDL:
905 log_warning(LOG_PROTOCOL, _("command not supported\n"));
906 ok = PS_NOTSUPPORTED;
910 log_error(LOG_PROTOCOL, _("error occurred on POP3 session\n"));
915 g_free(session->error_msg);
916 session->error_msg = g_strdup(msg);
917 g_printerr("POP3: %s\n", msg);
921 session->error_val = ok;
925 static gint pop3_session_recv_msg(Session *session, const gchar *msg)
927 Pop3Session *pop3_session = POP3_SESSION(session);
928 Pop3ErrorValue val = PS_SUCCESS;
932 if (pop3_session->state != POP3_GETRANGE_UIDL_RECV &&
933 pop3_session->state != POP3_GETSIZE_LIST_RECV) {
934 val = pop3_ok(pop3_session, msg);
935 if (val != PS_SUCCESS) {
936 if (val != PS_NOTSUPPORTED) {
937 pop3_session->state = POP3_ERROR;
942 if (*body == '+' || *body == '-')
944 while (g_ascii_isalpha(*body))
946 while (g_ascii_isspace(*body))
950 switch (pop3_session->state) {
953 pop3_greeting_recv(pop3_session, body);
955 if (pop3_session->ac_prefs->ssl_pop == SSL_STARTTLS)
956 val = pop3_stls_send(pop3_session);
959 if (pop3_session->ac_prefs->use_apop_auth)
960 val = pop3_getauth_apop_send(pop3_session);
962 val = pop3_getauth_user_send(pop3_session);
966 if (pop3_stls_recv(pop3_session) != PS_SUCCESS)
968 if (pop3_session->ac_prefs->use_apop_auth)
969 val = pop3_getauth_apop_send(pop3_session);
971 val = pop3_getauth_user_send(pop3_session);
974 case POP3_GETAUTH_USER:
975 val = pop3_getauth_pass_send(pop3_session);
977 case POP3_GETAUTH_PASS:
978 case POP3_GETAUTH_APOP:
979 if (!pop3_session->pop_before_smtp)
980 val = pop3_getrange_stat_send(pop3_session);
982 val = pop3_logout_send(pop3_session);
984 case POP3_GETRANGE_STAT:
985 if (pop3_getrange_stat_recv(pop3_session, body) < 0)
987 if (pop3_session->count > 0)
988 val = pop3_getrange_uidl_send(pop3_session);
990 val = pop3_logout_send(pop3_session);
992 case POP3_GETRANGE_LAST:
993 if (val == PS_NOTSUPPORTED)
994 pop3_session->error_val = PS_SUCCESS;
995 else if (pop3_getrange_last_recv(pop3_session, body) < 0)
997 if (pop3_session->cur_msg > 0)
998 val = pop3_getsize_list_send(pop3_session);
1000 val = pop3_logout_send(pop3_session);
1002 case POP3_GETRANGE_UIDL:
1003 if (val == PS_NOTSUPPORTED) {
1004 pop3_session->error_val = PS_SUCCESS;
1005 val = pop3_getrange_last_send(pop3_session);
1007 pop3_session->state = POP3_GETRANGE_UIDL_RECV;
1008 session_recv_data(session, 0, ".\r\n");
1011 case POP3_GETSIZE_LIST:
1012 pop3_session->state = POP3_GETSIZE_LIST_RECV;
1013 session_recv_data(session, 0, ".\r\n");
1016 pop3_session->state = POP3_RETR_RECV;
1017 session_recv_data(session, 0, ".\r\n");
1020 if (val == PS_NOTSUPPORTED) {
1021 pop3_session->error_val = PS_SUCCESS;
1023 pop3_session->state = POP3_TOP_RECV;
1024 session_recv_data(session, 0, ".\r\n");
1028 pop3_delete_recv(pop3_session);
1029 if (pop3_session->cur_msg == pop3_session->count)
1030 val = pop3_logout_send(pop3_session);
1032 pop3_session->cur_msg++;
1033 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1038 pop3_session->state = POP3_DONE;
1039 session_disconnect(session);
1046 return val == PS_SUCCESS?0:-1;
1049 static gint pop3_session_recv_data_finished(Session *session, guchar *data,
1052 Pop3Session *pop3_session = POP3_SESSION(session);
1053 Pop3ErrorValue val = PS_SUCCESS;
1055 switch (pop3_session->state) {
1056 case POP3_GETRANGE_UIDL_RECV:
1057 val = pop3_getrange_uidl_recv(pop3_session, data, len);
1058 if (val == PS_SUCCESS) {
1059 if (pop3_session->new_msg_exist)
1060 pop3_getsize_list_send(pop3_session);
1062 pop3_logout_send(pop3_session);
1066 case POP3_GETSIZE_LIST_RECV:
1067 val = pop3_getsize_list_recv(pop3_session, data, len);
1068 if (val == PS_SUCCESS) {
1069 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1074 case POP3_RETR_RECV:
1075 if (pop3_retr_recv(pop3_session, data, len) < 0)
1078 if (pop3_session->ac_prefs->rmmail &&
1079 pop3_session->ac_prefs->msg_leave_time == 0 &&
1080 pop3_session->ac_prefs->msg_leave_hour == 0 &&
1081 pop3_session->msg[pop3_session->cur_msg].recv_time
1083 pop3_delete_send(pop3_session);
1084 else if (pop3_session->cur_msg == pop3_session->count)
1085 pop3_logout_send(pop3_session);
1087 pop3_session->cur_msg++;
1088 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1093 if (pop3_top_recv(pop3_session, data, len) < 0)
1096 if (pop3_session->cur_msg == pop3_session->count)
1097 pop3_logout_send(pop3_session);
1099 pop3_session->cur_msg++;
1100 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1105 log_warning(LOG_PROTOCOL, _("TOP command unsupported\n"));
1106 if (pop3_session->cur_msg == pop3_session->count)
1107 pop3_logout_send(pop3_session);
1109 pop3_session->cur_msg++;
1110 if (pop3_lookup_next(pop3_session) == POP3_ERROR)