2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2007 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/>.
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);
48 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
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,
93 static void pop3_get_uidl_table(PrefsAccount *ac_prefs, Pop3Session *session);
95 static gint pop3_greeting_recv(Pop3Session *session, const gchar *msg)
97 session->state = POP3_GREETING;
99 session->greeting = g_strdup(msg);
103 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
104 static gint pop3_stls_send(Pop3Session *session)
106 session->state = POP3_STLS;
107 pop3_gen_send(session, "STLS");
111 static gint pop3_stls_recv(Pop3Session *session)
113 if (session_start_tls(SESSION(session)) < 0) {
114 session->error_val = PS_SOCKET;
119 #endif /* USE_OPENSSL */
121 static gint pop3_getauth_user_send(Pop3Session *session)
123 g_return_val_if_fail(session->user != NULL, -1);
125 session->state = POP3_GETAUTH_USER;
126 pop3_gen_send(session, "USER %s", session->user);
130 static gint pop3_getauth_pass_send(Pop3Session *session)
132 g_return_val_if_fail(session->pass != NULL, -1);
134 session->state = POP3_GETAUTH_PASS;
135 pop3_gen_send(session, "PASS %s", session->pass);
139 static gint pop3_getauth_apop_send(Pop3Session *session)
145 g_return_val_if_fail(session->user != NULL, -1);
146 g_return_val_if_fail(session->pass != NULL, -1);
148 session->state = POP3_GETAUTH_APOP;
150 if ((start = strchr(session->greeting, '<')) == NULL) {
151 log_error(LOG_PROTOCOL, _("Required APOP timestamp not found "
153 session->error_val = PS_PROTOCOL;
157 if ((end = strchr(start, '>')) == NULL || end == start + 1) {
158 log_error(LOG_PROTOCOL, _("Timestamp syntax error in greeting\n"));
159 session->error_val = PS_PROTOCOL;
164 if (!is_ascii_str(start)) {
165 log_error(LOG_PROTOCOL, _("Timestamp syntax error in greeting (not ASCII)\n"));
166 session->error_val = PS_PROTOCOL;
170 apop_str = g_strconcat(start, session->pass, NULL);
171 md5_hex_digest(md5sum, apop_str);
174 pop3_gen_send(session, "APOP %s %s", session->user, md5sum);
179 static gint pop3_getrange_stat_send(Pop3Session *session)
181 session->state = POP3_GETRANGE_STAT;
182 pop3_gen_send(session, "STAT");
186 static gint pop3_getrange_stat_recv(Pop3Session *session, const gchar *msg)
188 if (sscanf(msg, "%d %d", &session->count, &session->total_bytes) != 2) {
189 log_error(LOG_PROTOCOL, _("POP3 protocol error\n"));
190 session->error_val = PS_PROTOCOL;
193 if (session->count == 0) {
194 session->uidl_is_valid = TRUE;
196 session->msg = g_new0(Pop3MsgInfo, session->count + 1);
197 session->cur_msg = 1;
204 static gint pop3_getrange_last_send(Pop3Session *session)
206 session->state = POP3_GETRANGE_LAST;
207 pop3_gen_send(session, "LAST");
211 static gint pop3_getrange_last_recv(Pop3Session *session, const gchar *msg)
215 if (sscanf(msg, "%d", &last) == 0) {
216 log_warning(LOG_PROTOCOL, _("POP3 protocol error\n"));
217 session->error_val = PS_PROTOCOL;
220 if (session->count > last) {
221 session->new_msg_exist = TRUE;
222 session->cur_msg = last + 1;
224 session->cur_msg = 0;
230 static gint pop3_getrange_uidl_send(Pop3Session *session)
232 session->state = POP3_GETRANGE_UIDL;
233 pop3_gen_send(session, "UIDL");
237 static gint pop3_getrange_uidl_recv(Pop3Session *session, const gchar *data,
241 gchar buf[POPBUFSIZE];
246 const gchar *p = data;
247 const gchar *lastp = data + len;
248 const gchar *newline;
251 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
253 buf_len = MIN(newline - p, sizeof(buf) - 1);
254 memcpy(buf, p, buf_len);
258 if (p < lastp && *p == '\n') p++;
260 if (sscanf(buf, "%d %" Xstr(IDLEN) "s", &num, id) != 2 ||
261 num <= 0 || num > session->count) {
262 log_warning(LOG_PROTOCOL, _("invalid UIDL response: %s\n"), buf);
266 session->msg[num].uidl = g_strdup(id);
268 recv_time = (time_t)(GPOINTER_TO_INT(g_hash_table_lookup(
269 session->uidl_table, id)));
270 session->msg[num].recv_time = recv_time;
272 if (recv_time != RECV_TIME_NONE) {
273 debug_print("num %d uidl %s: already got it\n", num, id);
275 debug_print("num %d uidl %s: unknown\n", num, id);
278 partial_recv = (gint)(GPOINTER_TO_INT(g_hash_table_lookup(
279 session->partial_recv_table, id)));
281 if (recv_time != RECV_TIME_NONE
282 || partial_recv != POP3_TOTALLY_RECEIVED) {
283 session->msg[num].received =
284 (partial_recv != POP3_MUST_COMPLETE_RECV);
285 session->msg[num].partial_recv = partial_recv;
286 if (partial_recv == POP3_MUST_COMPLETE_RECV)
287 session->new_msg_exist = TRUE;
289 if (!session->new_msg_exist &&
290 (recv_time == RECV_TIME_NONE ||
291 session->ac_prefs->rmmail)) {
292 session->cur_msg = num;
293 session->new_msg_exist = TRUE;
297 session->uidl_is_valid = TRUE;
301 static gint pop3_getsize_list_send(Pop3Session *session)
303 session->state = POP3_GETSIZE_LIST;
304 pop3_gen_send(session, "LIST");
308 static gint pop3_getsize_list_recv(Pop3Session *session, const gchar *data,
311 gchar buf[POPBUFSIZE];
314 const gchar *p = data;
315 const gchar *lastp = data + len;
316 const gchar *newline;
319 if ((newline = memchr(p, '\r', lastp - p)) == NULL)
321 buf_len = MIN(newline - p, sizeof(buf) - 1);
322 memcpy(buf, p, buf_len);
326 if (p < lastp && *p == '\n') p++;
328 if (sscanf(buf, "%u %u", &num, &size) != 2) {
329 session->error_val = PS_PROTOCOL;
333 if (num > 0 && num <= session->count)
334 session->msg[num].size = size;
335 if (num > 0 && num < session->cur_msg)
336 session->cur_total_bytes += size;
342 static gint pop3_retr_send(Pop3Session *session)
344 session->state = POP3_RETR;
345 debug_print("retrieving %d [%s]\n", session->cur_msg,
346 session->msg[session->cur_msg].uidl ?
347 session->msg[session->cur_msg].uidl:" ");
348 pop3_gen_send(session, "RETR %d", session->cur_msg);
352 static gint pop3_retr_recv(Pop3Session *session, const gchar *data, guint len)
356 MailReceiveData mail_receive_data;
358 /* NOTE: we allocate a slightly larger buffer with a zero terminator
359 * because some plugins may think that it has a C string. */
360 mail_receive_data.session = session;
361 mail_receive_data.data = g_new0(gchar, len + 1);
362 mail_receive_data.data_len = len;
363 memcpy(mail_receive_data.data, data, len);
365 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
367 file = get_tmp_file();
368 if (pop3_write_msg_to_file(file, mail_receive_data.data,
369 mail_receive_data.data_len, NULL) < 0) {
371 g_free(mail_receive_data.data);
372 session->error_val = PS_IOERR;
375 g_free(mail_receive_data.data);
377 if (session->msg[session->cur_msg].partial_recv
378 == POP3_MUST_COMPLETE_RECV) {
379 gchar *old_file = partial_get_filename(
380 session->ac_prefs->recv_server,
381 session->ac_prefs->userid,
382 session->msg[session->cur_msg].uidl);
385 partial_delete_old(old_file);
390 /* drop_ok: 0: success 1: don't receive -1: error */
391 drop_ok = session->drop_message(session, file);
395 session->error_val = PS_IOERR;
399 session->cur_total_bytes += session->msg[session->cur_msg].size;
400 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
401 session->cur_total_num++;
403 session->msg[session->cur_msg].received = TRUE;
404 session->msg[session->cur_msg].partial_recv = POP3_TOTALLY_RECEIVED;
406 session->msg[session->cur_msg].recv_time =
407 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
412 static gint pop3_top_send(Pop3Session *session, gint max_size)
414 gint num_lines = (max_size*1024)/82; /* consider lines to be 80 chars */
415 session->state = POP3_TOP;
416 pop3_gen_send(session, "TOP %d %d", session->cur_msg, num_lines);
420 static gint pop3_top_recv(Pop3Session *session, const gchar *data, guint len)
424 MailReceiveData mail_receive_data;
425 gchar *partial_notice = NULL;
427 /* NOTE: we allocate a slightly larger buffer with a zero terminator
428 * because some plugins may think that it has a C string. */
429 mail_receive_data.session = session;
430 mail_receive_data.data = g_new0(gchar, len + 1);
431 mail_receive_data.data_len = len;
432 memcpy(mail_receive_data.data, data, len);
434 hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
436 partial_notice = g_strdup_printf("SC-Marked-For-Download: 0\n"
437 "SC-Partially-Retrieved: %s\n"
438 "SC-Account-Server: %s\n"
439 "SC-Account-Login: %s\n"
440 "SC-Message-Size: %d",
441 session->msg[session->cur_msg].uidl,
442 session->ac_prefs->recv_server,
443 session->ac_prefs->userid,
444 session->msg[session->cur_msg].size);
445 file = get_tmp_file();
446 if (pop3_write_msg_to_file(file, mail_receive_data.data,
447 mail_receive_data.data_len,
448 partial_notice) < 0) {
450 g_free(mail_receive_data.data);
451 session->error_val = PS_IOERR;
452 g_free(partial_notice);
455 g_free(mail_receive_data.data);
456 g_free(partial_notice);
458 /* drop_ok: 0: success 1: don't receive -1: error */
459 drop_ok = session->drop_message(session, file);
462 session->error_val = PS_IOERR;
466 session->cur_total_bytes += session->msg[session->cur_msg].size;
467 session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
468 session->cur_total_num++;
470 session->msg[session->cur_msg].received = TRUE;
471 session->msg[session->cur_msg].partial_recv = POP3_PARTIALLY_RECEIVED;
472 session->msg[session->cur_msg].recv_time =
473 drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
478 static gint pop3_delete_send(Pop3Session *session)
480 session->state = POP3_DELETE;
481 pop3_gen_send(session, "DELE %d", session->cur_msg);
485 static gint pop3_delete_recv(Pop3Session *session)
487 session->msg[session->cur_msg].deleted = TRUE;
491 static gint pop3_logout_send(Pop3Session *session)
493 session->state = POP3_LOGOUT;
494 pop3_gen_send(session, "QUIT");
498 static void pop3_gen_send(Pop3Session *session, const gchar *format, ...)
500 gchar buf[POPBUFSIZE + 1];
503 va_start(args, format);
504 g_vsnprintf(buf, sizeof(buf) - 2, format, args);
507 if (!g_ascii_strncasecmp(buf, "PASS ", 5))
508 log_print(LOG_PROTOCOL, "POP3> PASS ********\n");
510 log_print(LOG_PROTOCOL, "POP3> %s\n", buf);
512 session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
515 Session *pop3_session_new(PrefsAccount *account)
517 Pop3Session *session;
519 g_return_val_if_fail(account != NULL, NULL);
521 session = g_new0(Pop3Session, 1);
523 session_init(SESSION(session));
525 SESSION(session)->type = SESSION_POP3;
527 SESSION(session)->recv_msg = pop3_session_recv_msg;
528 SESSION(session)->recv_data_finished = pop3_session_recv_data_finished;
529 SESSION(session)->send_data_finished = NULL;
531 SESSION(session)->destroy = pop3_session_destroy;
533 session->state = POP3_READY;
534 session->ac_prefs = account;
535 session->pop_before_smtp = FALSE;
536 pop3_get_uidl_table(account, session);
537 session->current_time = time(NULL);
538 session->error_val = PS_SUCCESS;
539 session->error_msg = NULL;
541 return SESSION(session);
544 static void pop3_session_destroy(Session *session)
546 Pop3Session *pop3_session = POP3_SESSION(session);
549 g_return_if_fail(session != NULL);
551 for (n = 1; n <= pop3_session->count; n++)
552 g_free(pop3_session->msg[n].uidl);
553 g_free(pop3_session->msg);
555 if (pop3_session->uidl_table) {
556 hash_free_strings(pop3_session->uidl_table);
557 g_hash_table_destroy(pop3_session->uidl_table);
560 if (pop3_session->partial_recv_table) {
561 hash_free_strings(pop3_session->partial_recv_table);
562 g_hash_table_destroy(pop3_session->partial_recv_table);
565 g_free(pop3_session->greeting);
566 g_free(pop3_session->user);
567 g_free(pop3_session->pass);
568 g_free(pop3_session->error_msg);
571 static void pop3_get_uidl_table(PrefsAccount *ac_prefs, Pop3Session *session)
574 GHashTable *partial_recv_table;
577 gchar buf[POPBUFSIZE];
578 gchar uidl[POPBUFSIZE];
582 gchar *sanitized_uid = g_strdup(ac_prefs->userid);
584 subst_for_filename(sanitized_uid);
586 table = g_hash_table_new(g_str_hash, g_str_equal);
587 partial_recv_table = g_hash_table_new(g_str_hash, g_str_equal);
589 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
590 "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
591 "-", sanitized_uid, NULL);
593 g_free(sanitized_uid);
594 if ((fp = g_fopen(path, "rb")) == NULL) {
595 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
597 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
598 "uidl-", ac_prefs->recv_server,
599 "-", ac_prefs->userid, NULL);
600 if ((fp = g_fopen(path, "rb")) == NULL) {
601 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
603 session->uidl_table = table;
604 session->partial_recv_table = partial_recv_table;
612 while (fgets(buf, sizeof(buf), fp) != NULL) {
613 gchar tmp[POPBUFSIZE];
615 recv_time = RECV_TIME_NONE;
616 partial_recv = POP3_TOTALLY_RECEIVED;
618 if (sscanf(buf, "%s\t%ld\t%s", uidl, (long int *) &recv_time, tmp) < 3) {
619 if (sscanf(buf, "%s\t%ld", uidl, (long int *) &recv_time) != 2) {
620 if (sscanf(buf, "%s", uidl) != 1)
631 if (recv_time == RECV_TIME_NONE)
632 recv_time = RECV_TIME_RECEIVED;
633 g_hash_table_insert(table, g_strdup(uidl),
634 GINT_TO_POINTER(recv_time));
635 if (strlen(tmp) == 1)
636 partial_recv = atoi(tmp); /* totally received ?*/
638 partial_recv = POP3_MUST_COMPLETE_RECV;
640 g_hash_table_insert(partial_recv_table, g_strdup(uidl),
641 GINT_TO_POINTER(partial_recv));
645 session->uidl_table = table;
646 session->partial_recv_table = partial_recv_table;
654 g_warning("failed to write\n"); \
658 gint pop3_write_uidl_list(Pop3Session *session)
660 gchar *path, *tmp_path;
664 gchar *sanitized_uid = g_strdup(session->ac_prefs->userid);
666 subst_for_filename(sanitized_uid);
669 if (!session->uidl_is_valid) return 0;
671 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
672 "uidl", G_DIR_SEPARATOR_S,
673 session->ac_prefs->recv_server,
674 "-", sanitized_uid, NULL);
675 tmp_path = g_strconcat(path, ".tmp", NULL);
677 g_free(sanitized_uid);
679 if ((fp = g_fopen(tmp_path, "wb")) == NULL) {
680 FILE_OP_ERROR(tmp_path, "fopen");
684 for (n = 1; n <= session->count; n++) {
685 msg = &session->msg[n];
686 if (msg->uidl && msg->received &&
687 (!msg->deleted || session->state != POP3_DONE))
688 TRY(fprintf(fp, "%s\t%ld\t%d\n",
689 msg->uidl, (long int)
695 if (fclose(fp) == EOF) {
696 FILE_OP_ERROR(tmp_path, "fclose");
704 if (g_rename(tmp_path, path) < 0) {
705 FILE_OP_ERROR(path, "rename");
721 static gint pop3_write_msg_to_file(const gchar *file, const gchar *data,
722 guint len, const gchar *prefix)
725 const gchar *prev, *cur;
727 g_return_val_if_fail(file != NULL, -1);
729 if ((fp = g_fopen(file, "wb")) == NULL) {
730 FILE_OP_ERROR(file, "fopen");
734 if (change_file_mode_rw(fp, file) < 0)
735 FILE_OP_ERROR(file, "chmod");
737 if (prefix != NULL) {
738 if (fprintf(fp, "%s\n", prefix) < 0) {
739 FILE_OP_ERROR(file, "fprintf");
746 /* +------------------+----------------+--------------------------+ *
747 * ^data ^prev ^cur data+len-1^ */
750 while ((cur = (gchar *)my_memmem(prev, len - (prev - data), "\r\n", 2))
752 if ((cur > prev && fwrite(prev, 1, cur - prev, fp) < 1) ||
753 fputc('\n', fp) == EOF) {
754 FILE_OP_ERROR(file, "fwrite");
755 g_warning("can't write to file: %s\n", file);
761 if (cur == data + len - 1) {
766 if (*(cur + 1) == '\n')
771 if (prev - data < len - 1 && *prev == '.' && *(prev + 1) == '.')
774 if (prev - data >= len)
778 if (prev - data < len &&
779 fwrite(prev, 1, len - (prev - data), fp) < 1) {
780 FILE_OP_ERROR(file, "fwrite");
781 g_warning("can't write to file: %s\n", file);
786 if (data[len - 1] != '\r' && data[len - 1] != '\n') {
787 if (fputc('\n', fp) == EOF) {
788 FILE_OP_ERROR(file, "fputc");
789 g_warning("can't write to file: %s\n", file);
796 if (fclose(fp) == EOF) {
797 FILE_OP_ERROR(file, "fclose");
805 static Pop3State pop3_lookup_next(Pop3Session *session)
808 PrefsAccount *ac = session->ac_prefs;
810 gboolean size_limit_over;
813 msg = &session->msg[session->cur_msg];
816 (ac->enable_size_limit &&
817 ac->size_limit > 0 &&
818 size > ac->size_limit * 1024);
821 msg->recv_time != RECV_TIME_NONE &&
822 msg->recv_time != RECV_TIME_KEEP &&
823 msg->partial_recv == POP3_TOTALLY_RECEIVED &&
824 session->current_time - msg->recv_time >=
825 ac->msg_leave_time * 24 * 60 * 60) {
826 log_message(LOG_PROTOCOL,
827 _("POP3: Deleting expired message %d [%s]\n"),
828 session->cur_msg, msg->uidl?msg->uidl:" ");
829 session->cur_total_bytes += size;
830 pop3_delete_send(session);
834 if (size_limit_over) {
835 if (!msg->received && msg->partial_recv !=
836 POP3_MUST_COMPLETE_RECV) {
837 pop3_top_send(session, ac->size_limit);
839 } else if (msg->partial_recv == POP3_MUST_COMPLETE_RECV)
842 log_message(LOG_PROTOCOL,
843 _("POP3: Skipping message %d [%s] (%d bytes)\n"),
844 session->cur_msg, msg->uidl?msg->uidl:" ", size);
847 if (size == 0 || msg->received || size_limit_over) {
848 session->cur_total_bytes += size;
849 if (session->cur_msg == session->count) {
850 pop3_logout_send(session);
858 pop3_retr_send(session);
862 static Pop3ErrorValue pop3_ok(Pop3Session *session, const gchar *msg)
866 log_print(LOG_PROTOCOL, "POP3< %s\n", msg);
868 if (!strncmp(msg, "+OK", 3))
870 else if (!strncmp(msg, "-ERR", 4)) {
871 if (strstr(msg + 4, "lock") ||
872 strstr(msg + 4, "Lock") ||
873 strstr(msg + 4, "LOCK") ||
874 strstr(msg + 4, "wait")) {
875 log_error(LOG_PROTOCOL, _("mailbox is locked\n"));
877 } else if (strcasestr(msg + 4, "timeout")) {
878 log_error(LOG_PROTOCOL, _("Session timeout\n"));
881 switch (session->state) {
882 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
884 log_error(LOG_PROTOCOL, _("couldn't start TLS session\n"));
888 case POP3_GETAUTH_USER:
889 case POP3_GETAUTH_PASS:
890 case POP3_GETAUTH_APOP:
891 log_error(LOG_PROTOCOL, _("error occurred on authentication\n"));
894 case POP3_GETRANGE_LAST:
895 case POP3_GETRANGE_UIDL:
897 log_warning(LOG_PROTOCOL, _("command not supported\n"));
898 ok = PS_NOTSUPPORTED;
902 log_error(LOG_PROTOCOL, _("error occurred on POP3 session\n"));
907 g_free(session->error_msg);
908 session->error_msg = g_strdup(msg);
909 g_printerr("POP3: %s\n", msg);
913 session->error_val = ok;
917 static gint pop3_session_recv_msg(Session *session, const gchar *msg)
919 Pop3Session *pop3_session = POP3_SESSION(session);
920 Pop3ErrorValue val = PS_SUCCESS;
924 if (pop3_session->state != POP3_GETRANGE_UIDL_RECV &&
925 pop3_session->state != POP3_GETSIZE_LIST_RECV) {
926 val = pop3_ok(pop3_session, msg);
927 if (val != PS_SUCCESS) {
928 if (val != PS_NOTSUPPORTED) {
929 pop3_session->state = POP3_ERROR;
934 if (*body == '+' || *body == '-')
936 while (g_ascii_isalpha(*body))
938 while (g_ascii_isspace(*body))
942 switch (pop3_session->state) {
945 pop3_greeting_recv(pop3_session, body);
946 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
947 if (pop3_session->ac_prefs->ssl_pop == SSL_STARTTLS)
948 val = pop3_stls_send(pop3_session);
951 if (pop3_session->ac_prefs->use_apop_auth)
952 val = pop3_getauth_apop_send(pop3_session);
954 val = pop3_getauth_user_send(pop3_session);
956 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
958 if (pop3_stls_recv(pop3_session) != PS_SUCCESS)
960 if (pop3_session->ac_prefs->use_apop_auth)
961 val = pop3_getauth_apop_send(pop3_session);
963 val = pop3_getauth_user_send(pop3_session);
966 case POP3_GETAUTH_USER:
967 val = pop3_getauth_pass_send(pop3_session);
969 case POP3_GETAUTH_PASS:
970 case POP3_GETAUTH_APOP:
971 if (!pop3_session->pop_before_smtp)
972 val = pop3_getrange_stat_send(pop3_session);
974 val = pop3_logout_send(pop3_session);
976 case POP3_GETRANGE_STAT:
977 if (pop3_getrange_stat_recv(pop3_session, body) < 0)
979 if (pop3_session->count > 0)
980 val = pop3_getrange_uidl_send(pop3_session);
982 val = pop3_logout_send(pop3_session);
984 case POP3_GETRANGE_LAST:
985 if (val == PS_NOTSUPPORTED)
986 pop3_session->error_val = PS_SUCCESS;
987 else if (pop3_getrange_last_recv(pop3_session, body) < 0)
989 if (pop3_session->cur_msg > 0)
990 val = pop3_getsize_list_send(pop3_session);
992 val = pop3_logout_send(pop3_session);
994 case POP3_GETRANGE_UIDL:
995 if (val == PS_NOTSUPPORTED) {
996 pop3_session->error_val = PS_SUCCESS;
997 val = pop3_getrange_last_send(pop3_session);
999 pop3_session->state = POP3_GETRANGE_UIDL_RECV;
1000 session_recv_data(session, 0, ".\r\n");
1003 case POP3_GETSIZE_LIST:
1004 pop3_session->state = POP3_GETSIZE_LIST_RECV;
1005 session_recv_data(session, 0, ".\r\n");
1008 pop3_session->state = POP3_RETR_RECV;
1009 session_recv_data(session, 0, ".\r\n");
1012 if (val == PS_NOTSUPPORTED) {
1013 pop3_session->error_val = PS_SUCCESS;
1015 pop3_session->state = POP3_TOP_RECV;
1016 session_recv_data(session, 0, ".\r\n");
1020 pop3_delete_recv(pop3_session);
1021 if (pop3_session->cur_msg == pop3_session->count)
1022 val = pop3_logout_send(pop3_session);
1024 pop3_session->cur_msg++;
1025 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1030 pop3_session->state = POP3_DONE;
1031 session_disconnect(session);
1038 return val == PS_SUCCESS?0:-1;
1041 static gint pop3_session_recv_data_finished(Session *session, guchar *data,
1044 Pop3Session *pop3_session = POP3_SESSION(session);
1045 Pop3ErrorValue val = PS_SUCCESS;
1047 switch (pop3_session->state) {
1048 case POP3_GETRANGE_UIDL_RECV:
1049 val = pop3_getrange_uidl_recv(pop3_session, data, len);
1050 if (val == PS_SUCCESS) {
1051 if (pop3_session->new_msg_exist)
1052 pop3_getsize_list_send(pop3_session);
1054 pop3_logout_send(pop3_session);
1058 case POP3_GETSIZE_LIST_RECV:
1059 val = pop3_getsize_list_recv(pop3_session, data, len);
1060 if (val == PS_SUCCESS) {
1061 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1066 case POP3_RETR_RECV:
1067 if (pop3_retr_recv(pop3_session, data, len) < 0)
1070 if (pop3_session->ac_prefs->rmmail &&
1071 pop3_session->ac_prefs->msg_leave_time == 0 &&
1072 pop3_session->msg[pop3_session->cur_msg].recv_time
1074 pop3_delete_send(pop3_session);
1075 else if (pop3_session->cur_msg == pop3_session->count)
1076 pop3_logout_send(pop3_session);
1078 pop3_session->cur_msg++;
1079 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1084 if (pop3_top_recv(pop3_session, data, len) < 0)
1087 if (pop3_session->cur_msg == pop3_session->count)
1088 pop3_logout_send(pop3_session);
1090 pop3_session->cur_msg++;
1091 if (pop3_lookup_next(pop3_session) == POP3_ERROR)
1096 log_warning(LOG_PROTOCOL, _("TOP command unsupported\n"));
1097 if (pop3_session->cur_msg == pop3_session->count)
1098 pop3_logout_send(pop3_session);
1100 pop3_session->cur_msg++;
1101 if (pop3_lookup_next(pop3_session) == POP3_ERROR)