/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999,2000 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2004 Hiroyuki Yamamoto
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <stdarg.h>
#include <ctype.h>
#include <unistd.h>
+#include <time.h>
+#include <errno.h>
#include "intl.h"
#include "pop.h"
-#include "socket.h"
#include "md5.h"
#include "prefs_account.h"
#include "utils.h"
-#include "inc.h"
#include "recv.h"
-static gint pop3_ok(SockInfo *sock, gchar *argbuf);
-static void pop3_gen_send(SockInfo *sock, const gchar *format, ...);
-static gint pop3_gen_recv(SockInfo *sock, gchar *buf, gint size);
-
-gint pop3_greeting_recv(SockInfo *sock, gpointer data)
+#include "log.h"
+#include "hooks.h"
+
+static gint pop3_greeting_recv (Pop3Session *session,
+ const gchar *msg);
+static gint pop3_getauth_user_send (Pop3Session *session);
+static gint pop3_getauth_pass_send (Pop3Session *session);
+static gint pop3_getauth_apop_send (Pop3Session *session);
+#if USE_OPENSSL
+static gint pop3_stls_send (Pop3Session *session);
+static gint pop3_stls_recv (Pop3Session *session);
+#endif
+static gint pop3_getrange_stat_send (Pop3Session *session);
+static gint pop3_getrange_stat_recv (Pop3Session *session,
+ const gchar *msg);
+static gint pop3_getrange_last_send (Pop3Session *session);
+static gint pop3_getrange_last_recv (Pop3Session *session,
+ const gchar *msg);
+static gint pop3_getrange_uidl_send (Pop3Session *session);
+static gint pop3_getrange_uidl_recv (Pop3Session *session,
+ const gchar *data,
+ guint len);
+static gint pop3_getsize_list_send (Pop3Session *session);
+static gint pop3_getsize_list_recv (Pop3Session *session,
+ const gchar *data,
+ guint len);
+static gint pop3_retr_send (Pop3Session *session);
+static gint pop3_retr_recv (Pop3Session *session,
+ const gchar *data,
+ guint len);
+static gint pop3_delete_send (Pop3Session *session);
+static gint pop3_delete_recv (Pop3Session *session);
+static gint pop3_logout_send (Pop3Session *session);
+
+static void pop3_gen_send (Pop3Session *session,
+ const gchar *format, ...);
+
+static void pop3_session_destroy (Session *session);
+
+static gint pop3_write_msg_to_file (const gchar *file,
+ const gchar *data,
+ guint len);
+
+static Pop3State pop3_lookup_next (Pop3Session *session);
+static Pop3ErrorValue pop3_ok (Pop3Session *session,
+ const gchar *msg);
+
+static gint pop3_session_recv_msg (Session *session,
+ const gchar *msg);
+static gint pop3_session_recv_data_finished (Session *session,
+ guchar *data,
+ guint len);
+
+
+static gint pop3_greeting_recv(Pop3Session *session, const gchar *msg)
{
- Pop3State *state = (Pop3State *)data;
- gchar buf[POPBUFSIZE];
+ session->state = POP3_GREETING;
- if (pop3_ok(sock, buf) == PS_SUCCESS) {
- if (state->ac_prefs->protocol == A_APOP) {
- state->greeting = g_strdup(buf);
- return POP3_GETAUTH_APOP_SEND;
- } else
- return POP3_GETAUTH_USER_SEND;
- } else
- return -1;
+ session->greeting = g_strdup(msg);
+ return PS_SUCCESS;
}
-gint pop3_getauth_user_send(SockInfo *sock, gpointer data)
+#if USE_OPENSSL
+static gint pop3_stls_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
-
- g_return_val_if_fail(state->user != NULL, -1);
-
- inc_progress_update(state, POP3_GETAUTH_USER_SEND);
-
- pop3_gen_send(sock, "USER %s", state->user);
-
- return POP3_GETAUTH_USER_RECV;
+ session->state = POP3_STLS;
+ pop3_gen_send(session, "STLS");
+ return PS_SUCCESS;
}
-gint pop3_getauth_user_recv(SockInfo *sock, gpointer data)
+static gint pop3_stls_recv(Pop3Session *session)
{
- if (pop3_ok(sock, NULL) == PS_SUCCESS)
- return POP3_GETAUTH_PASS_SEND;
- else
+ if (session_start_tls(SESSION(session)) < 0) {
+ session->error_val = PS_SOCKET;
return -1;
+ }
+ return PS_SUCCESS;
}
+#endif /* USE_OPENSSL */
-gint pop3_getauth_pass_send(SockInfo *sock, gpointer data)
+static gint pop3_getauth_user_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
+ g_return_val_if_fail(session->user != NULL, -1);
- g_return_val_if_fail(state->pass != NULL, -1);
-
- pop3_gen_send(sock, "PASS %s", state->pass);
-
- return POP3_GETAUTH_PASS_RECV;
+ session->state = POP3_GETAUTH_USER;
+ pop3_gen_send(session, "USER %s", session->user);
+ return PS_SUCCESS;
}
-gint pop3_getauth_pass_recv(SockInfo *sock, gpointer data)
+static gint pop3_getauth_pass_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
+ g_return_val_if_fail(session->pass != NULL, -1);
- if (pop3_ok(sock, NULL) == PS_SUCCESS)
- return POP3_GETRANGE_STAT_SEND;
- else {
- log_warning(_("error occurred on authorization\n"));
- state->error_val = PS_AUTHFAIL;
- return -1;
- }
+ session->state = POP3_GETAUTH_PASS;
+ pop3_gen_send(session, "PASS %s", session->pass);
+ return PS_SUCCESS;
}
-gint pop3_getauth_apop_send(SockInfo *sock, gpointer data)
+static gint pop3_getauth_apop_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
gchar *start, *end;
gchar *apop_str;
gchar md5sum[33];
- g_return_val_if_fail(state->user != NULL, -1);
- g_return_val_if_fail(state->pass != NULL, -1);
+ g_return_val_if_fail(session->user != NULL, -1);
+ g_return_val_if_fail(session->pass != NULL, -1);
- inc_progress_update(state, POP3_GETAUTH_APOP_SEND);
+ session->state = POP3_GETAUTH_APOP;
- if ((start = strchr(state->greeting, '<')) == NULL) {
+ if ((start = strchr(session->greeting, '<')) == NULL) {
log_warning(_("Required APOP timestamp not found "
- "in greeting\n"));
+ "in greeting\n"));
+ session->error_val = PS_PROTOCOL;
return -1;
}
if ((end = strchr(start, '>')) == NULL || end == start + 1) {
log_warning(_("Timestamp syntax error in greeting\n"));
+ session->error_val = PS_PROTOCOL;
return -1;
}
*(end + 1) = '\0';
- apop_str = g_strconcat(start, state->pass, NULL);
+ apop_str = g_strconcat(start, session->pass, NULL);
md5_hex_digest(md5sum, apop_str);
g_free(apop_str);
- pop3_gen_send(sock, "APOP %s %s", state->user, md5sum);
+ pop3_gen_send(session, "APOP %s %s", session->user, md5sum);
- return POP3_GETAUTH_APOP_RECV;
+ return PS_SUCCESS;
}
-gint pop3_getauth_apop_recv(SockInfo *sock, gpointer data)
+static gint pop3_getrange_stat_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
+ session->state = POP3_GETRANGE_STAT;
+ pop3_gen_send(session, "STAT");
+ return PS_SUCCESS;
+}
- if (pop3_ok(sock, NULL) == PS_SUCCESS)
- return POP3_GETRANGE_STAT_SEND;
- else {
- log_warning(_("error occurred on authorization\n"));
- state->error_val = PS_AUTHFAIL;
+static gint pop3_getrange_stat_recv(Pop3Session *session, const gchar *msg)
+{
+ if (sscanf(msg, "%d %d", &session->count, &session->total_bytes) != 2) {
+ log_warning(_("POP3 protocol error\n"));
+ session->error_val = PS_PROTOCOL;
return -1;
+ } else {
+ if (session->count == 0) {
+ session->uidl_is_valid = TRUE;
+ } else {
+ session->msg = g_new0(Pop3MsgInfo, session->count + 1);
+ session->cur_msg = 1;
+ }
}
+
+ return PS_SUCCESS;
}
-gint pop3_getrange_stat_send(SockInfo *sock, gpointer data)
+static gint pop3_getrange_last_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
-
- inc_progress_update(state, POP3_GETRANGE_STAT_SEND);
-
- pop3_gen_send(sock, "STAT");
-
- return POP3_GETRANGE_STAT_RECV;
+ session->state = POP3_GETRANGE_LAST;
+ pop3_gen_send(session, "LAST");
+ return PS_SUCCESS;
}
-gint pop3_getrange_stat_recv(SockInfo *sock, gpointer data)
+static gint pop3_getrange_last_recv(Pop3Session *session, const gchar *msg)
{
- Pop3State *state = (Pop3State *)data;
- gchar buf[POPBUFSIZE + 1];
- gint ok;
+ gint last;
- if ((ok = pop3_ok(sock, buf)) == PS_SUCCESS) {
- if (sscanf(buf, "%d %d", &state->count, &state->total_bytes)
- != 2) {
- log_warning(_("POP3 protocol error\n"));
- return -1;
- } else {
- if (state->count == 0)
- return POP3_LOGOUT_SEND;
- else {
- state->cur_msg = 1;
- state->new = state->count;
- if (state->ac_prefs->rmmail ||
- state->ac_prefs->getall)
- return POP3_GETSIZE_LIST_SEND;
- else
- return POP3_GETRANGE_UIDL_SEND;
- }
- }
- } else if (ok == PS_PROTOCOL)
- return POP3_LOGOUT_SEND;
- else
+ if (sscanf(msg, "%d", &last) == 0) {
+ log_warning(_("POP3 protocol error\n"));
+ session->error_val = PS_PROTOCOL;
return -1;
+ } else {
+ if (session->count > last) {
+ session->new_msg_exist = TRUE;
+ session->cur_msg = last + 1;
+ } else
+ session->cur_msg = 0;
+ }
+
+ return PS_SUCCESS;
}
-gint pop3_getrange_last_send(SockInfo *sock, gpointer data)
+static gint pop3_getrange_uidl_send(Pop3Session *session)
{
- pop3_gen_send(sock, "LAST");
-
- return POP3_GETRANGE_LAST_RECV;
+ session->state = POP3_GETRANGE_UIDL;
+ pop3_gen_send(session, "UIDL");
+ return PS_SUCCESS;
}
-gint pop3_getrange_last_recv(SockInfo *sock, gpointer data)
+static gint pop3_getrange_uidl_recv(Pop3Session *session, const gchar *data,
+ guint len)
{
- Pop3State *state = (Pop3State *)data;
- gchar buf[POPBUFSIZE + 1];
+ gchar id[IDLEN + 1];
+ gchar buf[POPBUFSIZE];
+ gint buf_len;
+ gint num;
+ time_t recv_time;
+ const gchar *p = data;
+ const gchar *lastp = data + len;
+ const gchar *newline;
+
+ while (p < lastp) {
+ if ((newline = memchr(p, '\r', lastp - p)) == NULL)
+ return -1;
+ buf_len = MIN(newline - p, sizeof(buf) - 1);
+ memcpy(buf, p, buf_len);
+ buf[buf_len] = '\0';
- if (pop3_ok(sock, buf) == PS_SUCCESS) {
- gint last;
+ p = newline + 1;
+ if (p < lastp && *p == '\n') p++;
- if (sscanf(buf, "%d", &last) == 0) {
- log_warning(_("POP3 protocol error\n"));
+ if (sscanf(buf, "%d %" Xstr(IDLEN) "s", &num, id) != 2)
return -1;
- } else {
- if (state->count == last)
- return POP3_LOGOUT_SEND;
- else {
- state->new = state->count - last;
- state->cur_msg = last + 1;
- return POP3_GETSIZE_LIST_SEND;
- }
+ if (num <= 0 || num > session->count)
+ return -1;
+
+ session->msg[num].uidl = g_strdup(id);
+
+ recv_time = (time_t)g_hash_table_lookup(session->uidl_table, id);
+ session->msg[num].recv_time = recv_time;
+
+ if (!session->ac_prefs->getall && recv_time != RECV_TIME_NONE)
+ session->msg[num].received = TRUE;
+
+ if (!session->new_msg_exist &&
+ (session->ac_prefs->getall || recv_time == RECV_TIME_NONE ||
+ session->ac_prefs->rmmail)) {
+ session->cur_msg = num;
+ session->new_msg_exist = TRUE;
}
- } else
- return POP3_GETSIZE_LIST_SEND;
+ }
+
+ session->uidl_is_valid = TRUE;
+ return PS_SUCCESS;
}
-gint pop3_getrange_uidl_send(SockInfo *sock, gpointer data)
+static gint pop3_getsize_list_send(Pop3Session *session)
{
- pop3_gen_send(sock, "UIDL");
-
- return POP3_GETRANGE_UIDL_RECV;
+ session->state = POP3_GETSIZE_LIST;
+ pop3_gen_send(session, "LIST");
+ return PS_SUCCESS;
}
-gint pop3_getrange_uidl_recv(SockInfo *sock, gpointer data)
+static gint pop3_getsize_list_recv(Pop3Session *session, const gchar *data,
+ guint len)
{
- Pop3State *state = (Pop3State *)data;
- gboolean nb;
- gboolean new = FALSE;
gchar buf[POPBUFSIZE];
- gchar id[IDLEN + 1];
+ gint buf_len;
+ guint num, size;
+ const gchar *p = data;
+ const gchar *lastp = data + len;
+ const gchar *newline;
+
+ while (p < lastp) {
+ if ((newline = memchr(p, '\r', lastp - p)) == NULL)
+ return -1;
+ buf_len = MIN(newline - p, sizeof(buf) - 1);
+ memcpy(buf, p, buf_len);
+ buf[buf_len] = '\0';
- if (pop3_ok(sock, NULL) != PS_SUCCESS) return POP3_GETRANGE_LAST_SEND;
+ p = newline + 1;
+ if (p < lastp && *p == '\n') p++;
- if (!state->id_table) new = TRUE;
+ if (sscanf(buf, "%u %u", &num, &size) != 2) {
+ session->error_val = PS_PROTOCOL;
+ return -1;
+ }
- nb = sock_is_nonblocking_mode(sock);
- if (nb && (sock_set_nonblocking_mode(sock, FALSE) < 0)) return -1;
+ if (num > 0 && num <= session->count)
+ session->msg[num].size = size;
+ if (num > 0 && num < session->cur_msg)
+ session->cur_total_bytes += size;
+ }
- while (sock_read(sock, buf, sizeof(buf)) >= 0) {
- gint num;
+ return PS_SUCCESS;
+}
- if (buf[0] == '.') break;
- if (sscanf(buf, "%d %" Xstr(IDLEN) "s", &num, id) != 2)
- continue;
+static gint pop3_retr_send(Pop3Session *session)
+{
+ session->state = POP3_RETR;
+ pop3_gen_send(session, "RETR %d", session->cur_msg);
+ return PS_SUCCESS;
+}
- if (new == FALSE &&
- g_hash_table_lookup(state->id_table, id) == NULL) {
- state->new = state->count - num + 1;
- state->cur_msg = num;
- new = TRUE;
- }
+static gint pop3_retr_recv(Pop3Session *session, const gchar *data, guint len)
+{
+ gchar *file;
+ gint drop_ok;
+ MailReceiveData mail_receive_data;
+
+ mail_receive_data.session = session;
+ mail_receive_data.data = g_strndup(data, len);
+ hooks_invoke(MAIL_RECEIVE_HOOKLIST, &mail_receive_data);
+
+ file = get_tmp_file();
+ if (pop3_write_msg_to_file(file, mail_receive_data.data,
+ strlen(mail_receive_data.data)) < 0) {
+ g_free(file);
+ g_free(mail_receive_data.data);
+ session->error_val = PS_IOERR;
+ return -1;
+ }
+ g_free(mail_receive_data.data);
- if (new == TRUE)
- state->new_id_list = g_slist_append
- (state->new_id_list, g_strdup(id));
- else
- state->id_list = g_slist_append
- (state->id_list, g_strdup(id));
+ /* drop_ok: 0: success 1: don't receive -1: error */
+ drop_ok = session->drop_message(session, file);
+ g_free(file);
+ if (drop_ok < 0) {
+ session->error_val = PS_IOERR;
+ return -1;
}
- if (nb && (sock_set_nonblocking_mode(sock, TRUE) < 0)) return -1;
+ session->cur_total_bytes += session->msg[session->cur_msg].size;
+ session->cur_total_recv_bytes += session->msg[session->cur_msg].size;
+ session->cur_total_num++;
- if (new == TRUE)
- return POP3_GETSIZE_LIST_SEND;
- else
- return POP3_LOGOUT_SEND;
+ session->msg[session->cur_msg].received = TRUE;
+ session->msg[session->cur_msg].recv_time =
+ drop_ok == 1 ? RECV_TIME_KEEP : session->current_time;
+
+ return PS_SUCCESS;
}
-gint pop3_getsize_list_send(SockInfo *sock, gpointer data)
+static gint pop3_delete_send(Pop3Session *session)
{
- pop3_gen_send(sock, "LIST");
+ session->state = POP3_DELETE;
+ pop3_gen_send(session, "DELE %d", session->cur_msg);
+ return PS_SUCCESS;
+}
- return POP3_GETSIZE_LIST_RECV;
+static gint pop3_delete_recv(Pop3Session *session)
+{
+ session->msg[session->cur_msg].deleted = TRUE;
+ return PS_SUCCESS;
}
-gint pop3_getsize_list_recv(SockInfo *sock, gpointer data)
+static gint pop3_logout_send(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
- gboolean nb;
- gchar buf[POPBUFSIZE];
+ session->state = POP3_LOGOUT;
+ pop3_gen_send(session, "QUIT");
+ return PS_SUCCESS;
+}
- if (pop3_ok(sock, NULL) != PS_SUCCESS) return POP3_LOGOUT_SEND;
+static void pop3_gen_send(Pop3Session *session, const gchar *format, ...)
+{
+ gchar buf[POPBUFSIZE + 1];
+ va_list args;
- state->sizes = g_new0(gint, state->count + 1);
- state->cur_total_bytes = 0;
+ va_start(args, format);
+ g_vsnprintf(buf, sizeof(buf) - 2, format, args);
+ va_end(args);
- nb = sock_is_nonblocking_mode(sock);
- if (nb && (sock_set_nonblocking_mode(sock, FALSE) < 0)) return -1;
+ if (!strncasecmp(buf, "PASS ", 5))
+ log_print("POP3> PASS ********\n");
+ else
+ log_print("POP3> %s\n", buf);
- while (sock_read(sock, buf, sizeof(buf)) >= 0) {
- gint num, size;
+ session_send_msg(SESSION(session), SESSION_MSG_NORMAL, buf);
+}
- if (buf[0] == '.') break;
- if (sscanf(buf, "%d %d", &num, &size) != 2)
- continue;
+Session *pop3_session_new(PrefsAccount *account)
+{
+ Pop3Session *session;
- if (num <= state->count)
- state->sizes[num] = size;
- if (num < state->cur_msg)
- state->cur_total_bytes += size;
- }
+ g_return_val_if_fail(account != NULL, NULL);
- if (nb && (sock_set_nonblocking_mode(sock, TRUE) < 0)) return -1;
+ session = g_new0(Pop3Session, 1);
- return POP3_RETR_SEND;
-}
+ session_init(SESSION(session));
-gint pop3_retr_send(SockInfo *sock, gpointer data)
-{
- Pop3State *state = (Pop3State *)data;
+ SESSION(session)->type = SESSION_POP3;
+
+ SESSION(session)->recv_msg = pop3_session_recv_msg;
+ SESSION(session)->recv_data_finished = pop3_session_recv_data_finished;
+ SESSION(session)->send_data_finished = NULL;
- inc_progress_update(state, POP3_RETR_SEND);
+ SESSION(session)->destroy = pop3_session_destroy;
- pop3_gen_send(sock, "RETR %d", state->cur_msg);
+ session->state = POP3_READY;
+ session->ac_prefs = account;
+ session->uidl_table = pop3_get_uidl_table(account);
+ session->current_time = time(NULL);
+ session->error_val = PS_SUCCESS;
+ session->error_msg = NULL;
- return POP3_RETR_RECV;
+ return SESSION(session);
}
-gint pop3_retr_recv(SockInfo *sock, gpointer data)
+static void pop3_session_destroy(Session *session)
{
- Pop3State *state = (Pop3State *)data;
- const gchar *file;
- gint ok, drop_ok;
+ Pop3Session *pop3_session = POP3_SESSION(session);
+ gint n;
- if ((ok = pop3_ok(sock, NULL)) == PS_SUCCESS) {
- state->cur_msg_bytes = 0;
+ g_return_if_fail(session != NULL);
- if (recv_write_to_file(sock, (file = get_tmp_file())) < 0) {
- state->inc_state = INC_NOSPACE;
- return -1;
- }
+ for (n = 1; n <= pop3_session->count; n++)
+ g_free(pop3_session->msg[n].uidl);
+ g_free(pop3_session->msg);
- state->cur_total_bytes += state->sizes[state->cur_msg];
+ if (pop3_session->uidl_table) {
+ hash_free_strings(pop3_session->uidl_table);
+ g_hash_table_destroy(pop3_session->uidl_table);
+ }
- if ((drop_ok = inc_drop_message(file, state)) < 0) {
- state->inc_state = INC_ERROR;
- return -1;
+ g_free(pop3_session->greeting);
+ g_free(pop3_session->user);
+ g_free(pop3_session->pass);
+ g_free(pop3_session->error_msg);
+}
+
+GHashTable *pop3_get_uidl_table(PrefsAccount *ac_prefs)
+{
+ GHashTable *table;
+ gchar *path;
+ FILE *fp;
+ gchar buf[POPBUFSIZE];
+ gchar uidl[POPBUFSIZE];
+ time_t recv_time;
+ time_t now;
+
+ table = g_hash_table_new(g_str_hash, g_str_equal);
+
+ path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+ "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
+ "-", ac_prefs->userid, NULL);
+ if ((fp = fopen(path, "rb")) == NULL) {
+ if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
+ g_free(path);
+ path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+ "uidl-", ac_prefs->recv_server,
+ "-", ac_prefs->userid, NULL);
+ if ((fp = fopen(path, "rb")) == NULL) {
+ if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
+ g_free(path);
+ return table;
}
- if (drop_ok == 0 && state->ac_prefs->rmmail)
- return POP3_DELETE_SEND;
-
- if (state->new_id_list) {
- state->id_list = g_slist_append
- (state->id_list, state->new_id_list->data);
- state->new_id_list =
- g_slist_remove(state->new_id_list,
- state->new_id_list->data);
+ }
+ g_free(path);
+
+ now = time(NULL);
+
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ strretchomp(buf);
+ recv_time = RECV_TIME_NONE;
+ if (sscanf(buf, "%s\t%ld", uidl, &recv_time) != 2) {
+ if (sscanf(buf, "%s", uidl) != 1)
+ continue;
+ else
+ recv_time = now;
}
+ if (recv_time == RECV_TIME_NONE)
+ recv_time = RECV_TIME_RECEIVED;
+ g_hash_table_insert(table, g_strdup(uidl),
+ GINT_TO_POINTER(recv_time));
+ }
- if (state->cur_msg < state->count) {
- state->cur_msg++;
- return POP3_RETR_SEND;
- } else
- return POP3_LOGOUT_SEND;
- } else if (ok == PS_PROTOCOL)
- return POP3_LOGOUT_SEND;
- else
- return -1;
+ fclose(fp);
+ return table;
}
-gint pop3_delete_send(SockInfo *sock, gpointer data)
+gint pop3_write_uidl_list(Pop3Session *session)
{
- Pop3State *state = (Pop3State *)data;
+ gchar *path;
+ FILE *fp;
+ Pop3MsgInfo *msg;
+ gint n;
+
+ if (!session->uidl_is_valid) return 0;
+
+ path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+ "uidl", G_DIR_SEPARATOR_S,
+ session->ac_prefs->recv_server,
+ "-", session->ac_prefs->userid, NULL);
+ if ((fp = fopen(path, "wb")) == NULL) {
+ FILE_OP_ERROR(path, "fopen");
+ g_free(path);
+ return -1;
+ }
- //inc_progress_update(state, POP3_DELETE_SEND);
+ for (n = 1; n <= session->count; n++) {
+ msg = &session->msg[n];
+ if (msg->uidl && msg->received && !msg->deleted)
+ fprintf(fp, "%s\t%ld\n", msg->uidl, msg->recv_time);
+ }
- pop3_gen_send(sock, "DELE %d", state->cur_msg);
+ if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
+ g_free(path);
- return POP3_DELETE_RECV;
+ return 0;
}
-gint pop3_delete_recv(SockInfo *sock, gpointer data)
+static gint pop3_write_msg_to_file(const gchar *file, const gchar *data,
+ guint len)
{
- Pop3State *state = (Pop3State *)data;
- gint ok;
+ FILE *fp;
+ const gchar *prev, *cur;
- if ((ok = pop3_ok(sock, NULL)) == PS_SUCCESS) {
- if (state->cur_msg < state->count) {
- state->cur_msg++;
- return POP3_RETR_SEND;
- } else
- return POP3_LOGOUT_SEND;
- } else if (ok == PS_PROTOCOL)
- return POP3_LOGOUT_SEND;
- else
+ g_return_val_if_fail(file != NULL, -1);
+
+ if ((fp = fopen(file, "wb")) == NULL) {
+ FILE_OP_ERROR(file, "fopen");
return -1;
-}
+ }
-gint pop3_logout_send(SockInfo *sock, gpointer data)
-{
- Pop3State *state = (Pop3State *)data;
+ if (change_file_mode_rw(fp, file) < 0)
+ FILE_OP_ERROR(file, "chmod");
- inc_progress_update(state, POP3_LOGOUT_SEND);
+ /* +------------------+----------------+--------------------------+ *
+ * ^data ^prev ^cur data+len-1^ */
- pop3_gen_send(sock, "QUIT");
+ prev = data;
+ while ((cur = memchr(prev, '\r', len - (prev - data))) != NULL) {
+ if ((cur > prev && fwrite(prev, cur - prev, 1, fp) < 1) ||
+ fputc('\n', fp) == EOF) {
+ FILE_OP_ERROR(file, "fwrite");
+ g_warning("can't write to file: %s\n", file);
+ fclose(fp);
+ unlink(file);
+ return -1;
+ }
- return POP3_LOGOUT_RECV;
-}
+ if (cur == data + len - 1) {
+ prev = cur + 1;
+ break;
+ }
-gint pop3_logout_recv(SockInfo *sock, gpointer data)
-{
- if (pop3_ok(sock, NULL) == PS_SUCCESS)
+ if (*(cur + 1) == '\n')
+ prev = cur + 2;
+ else
+ prev = cur + 1;
+
+ if (prev - data < len - 1 && *prev == '.' && *(prev + 1) == '.')
+ prev++;
+
+ if (prev - data >= len)
+ break;
+ }
+
+ if (prev - data < len &&
+ fwrite(prev, len - (prev - data), 1, fp) < 1) {
+ FILE_OP_ERROR(file, "fwrite");
+ g_warning("can't write to file: %s\n", file);
+ fclose(fp);
+ unlink(file);
return -1;
- else
+ }
+ if (data[len - 1] != '\r' && data[len - 1] != '\n') {
+ if (fputc('\n', fp) == EOF) {
+ FILE_OP_ERROR(file, "fputc");
+ g_warning("can't write to file: %s\n", file);
+ fclose(fp);
+ unlink(file);
+ return -1;
+ }
+ }
+
+ if (fclose(fp) == EOF) {
+ FILE_OP_ERROR(file, "fclose");
+ unlink(file);
return -1;
+ }
+
+ return 0;
}
-static gint pop3_ok(SockInfo *sock, gchar *argbuf)
+static Pop3State pop3_lookup_next(Pop3Session *session)
{
- gint ok;
- gchar buf[POPBUFSIZE + 1];
- gchar *bufp;
-
- if ((ok = pop3_gen_recv(sock, buf, sizeof(buf))) == PS_SUCCESS) {
- bufp = buf;
- if (*bufp == '+' || *bufp == '-')
- bufp++;
- else
- return PS_PROTOCOL;
-
- while (isalpha(*bufp))
- bufp++;
-
- if (*bufp)
- *(bufp++) = '\0';
-
- if (!strcmp(buf, "+OK"))
- ok = PS_SUCCESS;
- else if (!strncmp(buf, "-ERR", 4)) {
- if (strstr(bufp, "lock") ||
- strstr(bufp, "Lock") ||
- strstr(bufp, "LOCK") ||
- strstr(bufp, "wait"))
- ok = PS_LOCKBUSY;
- else
- ok = PS_PROTOCOL;
+ Pop3MsgInfo *msg;
+ PrefsAccount *ac = session->ac_prefs;
+ gint size;
+ gboolean size_limit_over;
+
+ for (;;) {
+ msg = &session->msg[session->cur_msg];
+ size = msg->size;
+ size_limit_over =
+ (ac->enable_size_limit &&
+ ac->size_limit > 0 &&
+ size > ac->size_limit * 1024);
+
+ if (ac->rmmail &&
+ msg->recv_time != RECV_TIME_NONE &&
+ msg->recv_time != RECV_TIME_KEEP &&
+ session->current_time - msg->recv_time >=
+ ac->msg_leave_time * 24 * 60 * 60) {
+ log_message
+ (_("POP3: Deleting expired message %d\n"),
+ session->cur_msg);
+ pop3_delete_send(session);
+ return POP3_DELETE;
+ }
- if (*bufp)
- fprintf(stderr, "POP3: %s\n", bufp);
+ if (size_limit_over)
+ log_message
+ (_("POP3: Skipping message %d (%d bytes)\n"),
+ session->cur_msg, size);
+
+ if (size == 0 || msg->received || size_limit_over) {
+ session->cur_total_bytes += size;
+ if (session->cur_msg == session->count) {
+ pop3_logout_send(session);
+ return POP3_LOGOUT;
+ } else
+ session->cur_msg++;
} else
- ok = PS_PROTOCOL;
-
- if (argbuf)
- strcpy(argbuf, bufp);
+ break;
}
- return ok;
+ pop3_retr_send(session);
+ return POP3_RETR;
}
-static void pop3_gen_send(SockInfo *sock, const gchar *format, ...)
+static Pop3ErrorValue pop3_ok(Pop3Session *session, const gchar *msg)
{
- gchar buf[POPBUFSIZE + 1];
- va_list args;
-
- va_start(args, format);
- g_vsnprintf(buf, sizeof(buf) - 2, format, args);
- va_end(args);
+ Pop3ErrorValue ok;
+
+ log_print("POP3< %s\n", msg);
+
+ if (!strncmp(msg, "+OK", 3))
+ ok = PS_SUCCESS;
+ else if (!strncmp(msg, "-ERR", 4)) {
+ if (strstr(msg + 4, "lock") ||
+ strstr(msg + 4, "Lock") ||
+ strstr(msg + 4, "LOCK") ||
+ strstr(msg + 4, "wait")) {
+ log_warning(_("mailbox is locked\n"));
+ ok = PS_LOCKBUSY;
+ } else if (strcasestr(msg + 4, "timeout")) {
+ log_warning(_("session timeout\n"));
+ ok = PS_ERROR;
+ } else {
+ switch (session->state) {
+#if USE_OPENSSL
+ case POP3_STLS:
+ log_warning(_("can't start TLS session\n"));
+ ok = PS_ERROR;
+ break;
+#endif
+ case POP3_GETAUTH_USER:
+ case POP3_GETAUTH_PASS:
+ case POP3_GETAUTH_APOP:
+ log_warning(_("error occurred on authentication\n"));
+ ok = PS_AUTHFAIL;
+ break;
+ case POP3_GETRANGE_LAST:
+ case POP3_GETRANGE_UIDL:
+ log_warning(_("command not supported\n"));
+ ok = PS_NOTSUPPORTED;
+ break;
+ default:
+ log_warning(_("error occurred on POP3 session\n"));
+ ok = PS_ERROR;
+ }
+ }
- if (!strncasecmp(buf, "PASS ", 5))
- log_print("POP3> PASS ********\n");
- else
- log_print("POP3> %s\n", buf);
+ g_free(session->error_msg);
+ session->error_msg = g_strdup(msg);
+ fprintf(stderr, "POP3: %s\n", msg);
+ } else
+ ok = PS_PROTOCOL;
- strcat(buf, "\r\n");
- sock_write(sock, buf, strlen(buf));
+ session->error_val = ok;
+ return ok;
}
-static gint pop3_gen_recv(SockInfo *sock, gchar *buf, gint size)
+static gint pop3_session_recv_msg(Session *session, const gchar *msg)
{
- gboolean nb;
+ Pop3Session *pop3_session = POP3_SESSION(session);
+ Pop3ErrorValue val = PS_SUCCESS;
+ const guchar *body;
+
+ body = msg;
+ if (pop3_session->state != POP3_GETRANGE_UIDL_RECV &&
+ pop3_session->state != POP3_GETSIZE_LIST_RECV) {
+ val = pop3_ok(pop3_session, msg);
+ if (val != PS_SUCCESS) {
+ if (val != PS_NOTSUPPORTED) {
+ pop3_session->state = POP3_ERROR;
+ return -1;
+ }
+ }
- nb = sock_is_nonblocking_mode(sock);
+ if (*body == '+' || *body == '-')
+ body++;
+ while (isalpha(*body))
+ body++;
+ while (isspace(*body))
+ body++;
+ }
- if (nb && (sock_set_nonblocking_mode(sock, FALSE) < 0))
- return PS_SOCKET;
- if (sock_read(sock, buf, size) < 0) {
- return PS_SOCKET;
- } else {
- strretchomp(buf);
- log_print("POP3< %s\n", buf);
- if (nb && (sock_set_nonblocking_mode(sock, TRUE) < 0))
- return PS_SOCKET;
+ switch (pop3_session->state) {
+ case POP3_READY:
+ case POP3_GREETING:
+ pop3_greeting_recv(pop3_session, body);
+#if USE_OPENSSL
+ if (pop3_session->ac_prefs->ssl_pop == SSL_STARTTLS)
+ pop3_stls_send(pop3_session);
+ else
+#endif
+ if (pop3_session->ac_prefs->protocol == A_APOP)
+ pop3_getauth_apop_send(pop3_session);
+ else
+ pop3_getauth_user_send(pop3_session);
+ break;
+#if USE_OPENSSL
+ case POP3_STLS:
+ if (pop3_stls_recv(pop3_session) != PS_SUCCESS)
+ return -1;
+ if (pop3_session->ac_prefs->protocol == A_APOP)
+ pop3_getauth_apop_send(pop3_session);
+ else
+ pop3_getauth_user_send(pop3_session);
+ break;
+#endif
+ case POP3_GETAUTH_USER:
+ pop3_getauth_pass_send(pop3_session);
+ break;
+ case POP3_GETAUTH_PASS:
+ case POP3_GETAUTH_APOP:
+ pop3_getrange_stat_send(pop3_session);
+ break;
+ case POP3_GETRANGE_STAT:
+ if (pop3_getrange_stat_recv(pop3_session, body) < 0)
+ return -1;
+ if (pop3_session->count > 0)
+ pop3_getrange_uidl_send(pop3_session);
+ else
+ pop3_logout_send(pop3_session);
+ break;
+ case POP3_GETRANGE_LAST:
+ if (val == PS_NOTSUPPORTED)
+ pop3_session->error_val = PS_SUCCESS;
+ else if (pop3_getrange_last_recv(pop3_session, body) < 0)
+ return -1;
+ if (pop3_session->cur_msg > 0)
+ pop3_getsize_list_send(pop3_session);
+ else
+ pop3_logout_send(pop3_session);
+ break;
+ case POP3_GETRANGE_UIDL:
+ if (val == PS_NOTSUPPORTED) {
+ pop3_session->error_val = PS_SUCCESS;
+ pop3_getrange_last_send(pop3_session);
+ } else {
+ pop3_session->state = POP3_GETRANGE_UIDL_RECV;
+ session_recv_data(session, 0, ".\r\n");
+ }
+ break;
+ case POP3_GETSIZE_LIST:
+ pop3_session->state = POP3_GETSIZE_LIST_RECV;
+ session_recv_data(session, 0, ".\r\n");
+ break;
+ case POP3_RETR:
+ pop3_session->state = POP3_RETR_RECV;
+ session_recv_data(session, 0, ".\r\n");
+ break;
+ case POP3_DELETE:
+ pop3_delete_recv(pop3_session);
+ if (pop3_session->cur_msg == pop3_session->count)
+ pop3_logout_send(pop3_session);
+ else {
+ pop3_session->cur_msg++;
+ if (pop3_lookup_next(pop3_session) == POP3_ERROR)
+ return -1;
+ }
+ break;
+ case POP3_LOGOUT:
+ session_disconnect(session);
+ break;
+ case POP3_ERROR:
+ default:
+ return -1;
+ }
+
+ return 0;
+}
- return PS_SUCCESS;
+static gint pop3_session_recv_data_finished(Session *session, guchar *data,
+ guint len)
+{
+ Pop3Session *pop3_session = POP3_SESSION(session);
+ Pop3ErrorValue val = PS_SUCCESS;
+
+ switch (pop3_session->state) {
+ case POP3_GETRANGE_UIDL_RECV:
+ val = pop3_getrange_uidl_recv(pop3_session, data, len);
+ if (val == PS_SUCCESS) {
+ if (pop3_session->new_msg_exist)
+ pop3_getsize_list_send(pop3_session);
+ else
+ pop3_logout_send(pop3_session);
+ } else
+ return -1;
+ break;
+ case POP3_GETSIZE_LIST_RECV:
+ val = pop3_getsize_list_recv(pop3_session, data, len);
+ if (val == PS_SUCCESS) {
+ if (pop3_lookup_next(pop3_session) == POP3_ERROR)
+ return -1;
+ } else
+ return -1;
+ break;
+ case POP3_RETR_RECV:
+ if (pop3_retr_recv(pop3_session, data, len) < 0)
+ return -1;
+
+ if (pop3_session->ac_prefs->rmmail &&
+ pop3_session->ac_prefs->msg_leave_time == 0 &&
+ pop3_session->msg[pop3_session->cur_msg].recv_time
+ != RECV_TIME_KEEP)
+ pop3_delete_send(pop3_session);
+ else if (pop3_session->cur_msg == pop3_session->count)
+ pop3_logout_send(pop3_session);
+ else {
+ pop3_session->cur_msg++;
+ if (pop3_lookup_next(pop3_session) == POP3_ERROR)
+ return -1;
+ }
+ break;
+ case POP3_ERROR:
+ default:
+ return -1;
}
+
+ return 0;
}
projects / claws.git / blobdiff