/*!
*\brief child and parent cleanup (child closes first)
*
*\param session Contains session information
*
*\return 0 : success
*/
static gint session_close(Session *session)
{
g_return_val_if_fail(session != NULL, -1);
if (session->conn_id > 0) {
sock_connect_async_cancel(session->conn_id);
session->conn_id = 0;
debug_print("session (%p): connection cancelled\n", session);
}
session_set_timeout(session, 0);
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
if (session->sock) {
sock_close(session->sock);
session->sock = NULL;
session->state = SESSION_DISCONNECTED;
debug_print("session (%p): closed\n", session);
}
return 0;
}
static gboolean session_write_data_cb(SockInfo *source,
GIOCondition condition, gpointer data)
{
Session *session = SESSION(data);
guint write_buf_len;
gint ret;
g_return_val_if_fail(condition == G_IO_OUT, FALSE);
g_return_val_if_fail(session->write_buf != NULL, FALSE);
g_return_val_if_fail(session->write_buf_p != NULL, FALSE);
g_return_val_if_fail(session->write_buf_len > 0, FALSE);
write_buf_len = session->write_buf_len;
ret = session_write_buf(session);
if (ret < 0) {
session->state = SESSION_ERROR;
return FALSE;
} else if (ret > 0) {
struct timeval tv_cur;
gettimeofday(&tv_cur, NULL);
if (tv_cur.tv_sec - session->tv_prev.tv_sec > 0 ||
tv_cur.tv_usec - session->tv_prev.tv_usec >
UI_REFRESH_INTERVAL) {
session_set_timeout(session, session->timeout_interval);
session->send_data_progressive_notify
(session,
session->write_buf_p - session->write_buf,
write_buf_len,
session->send_data_progressive_notify_data);
gettimeofday(&session->tv_prev, NULL);
}
return TRUE;
}
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
/* callback */
ret = session->send_data_finished(session, write_buf_len);
session->send_data_notify(session, write_buf_len,
session->send_data_notify_data);
return FALSE;
}
static gboolean session_read_data_cb(SockInfo *source, GIOCondition condition,
gpointer data)
{
Session *session = SESSION(data);
GByteArray *data_buf;
gint terminator_len;
gboolean complete = FALSE;
guint data_len;
gint ret;
g_return_val_if_fail(condition == G_IO_IN, FALSE);
session_set_timeout(session, session->timeout_interval);
if (session->read_buf_len == 0) {
gint read_len;
read_len = sock_read(session->sock, session->read_buf,
SESSION_BUFFSIZE);
if (read_len == 0) {
g_warning("sock_read: received EOF\n");
session->state = SESSION_EOF;
return FALSE;
}
if (read_len < 0) {
switch (errno) {
case EAGAIN:
return TRUE;
default:
g_warning("sock_read: %s\n", g_strerror(errno));
session->state = SESSION_ERROR;
return FALSE;
}
}
session->read_buf_len = read_len;
}
data_buf = session->read_data_buf;
terminator_len = strlen(session->read_data_terminator);
if (session->read_buf_len == 0)
return TRUE;
g_byte_array_append(data_buf, session->read_buf_p,
session->read_buf_len);
session->read_buf_len = 0;
session->read_buf_p = session->read_buf;
/* check if data is terminated */
if (data_buf->len >= terminator_len) {
if (memcmp(data_buf->data, session->read_data_terminator,
terminator_len) == 0)
complete = TRUE;
else if (data_buf->len >= terminator_len + 2 &&
memcmp(data_buf->data + data_buf->len -
(terminator_len + 2), "\r\n", 2) == 0 &&
memcmp(data_buf->data + data_buf->len -
terminator_len, session->read_data_terminator,
terminator_len) == 0)
complete = TRUE;
}
/* incomplete read */
if (!complete) {
struct timeval tv_cur;
gettimeofday(&tv_cur, NULL);
if (tv_cur.tv_sec - session->tv_prev.tv_sec > 0 ||
tv_cur.tv_usec - session->tv_prev.tv_usec >
UI_REFRESH_INTERVAL) {
session->recv_data_progressive_notify
(session, data_buf->len, 0,
session->recv_data_progressive_notify_data);
gettimeofday(&session->tv_prev, NULL);
}
return TRUE;
}
/* complete */
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
data_len = data_buf->len - terminator_len;
/* callback */
ret = session->recv_data_finished(session, (gchar *)data_buf->data,
data_len);
g_byte_array_set_size(data_buf, 0);
session->recv_data_notify(session, data_len,
session->recv_data_notify_data);
if (ret < 0)
session->state = SESSION_ERROR;
return FALSE;
}
static gboolean session_read_msg_cb(SockInfo *source, GIOCondition condition,
gpointer data)
{
Session *session = SESSION(data);
gchar buf[SESSION_BUFFSIZE];
gint line_len;
gchar *newline;
gchar *msg;
gint ret;
g_return_val_if_fail(condition == G_IO_IN, FALSE);
session_set_timeout(session, session->timeout_interval);
if (session->read_buf_len == 0) {
gint read_len;
read_len = sock_read(session->sock, session->read_buf,
SESSION_BUFFSIZE - 1);
if (read_len == 0) {
g_warning("sock_read: received EOF\n");
session->state = SESSION_EOF;
return FALSE;
}
if (read_len < 0) {
switch (errno) {
case EAGAIN:
return TRUE;
default:
g_warning("sock_read: %s\n", g_strerror(errno));
session->state = SESSION_ERROR;
return FALSE;
}
}
session->read_buf_len = read_len;
}
if ((newline = memchr(session->read_buf_p, '\n', session->read_buf_len))
!= NULL)
line_len = newline - session->read_buf_p + 1;
else
line_len = session->read_buf_len;
if (line_len == 0)
return TRUE;
memcpy(buf, session->read_buf_p, line_len);
buf[line_len] = '\0';
g_string_append(session->read_msg_buf, buf);
session->read_buf_len -= line_len;
if (session->read_buf_len == 0)
session->read_buf_p = session->read_buf;
else
session->read_buf_p += line_len;
/* incomplete read */
if (buf[line_len - 1] != '\n')
return TRUE;
/* complete */
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
/* callback */
msg = g_strdup(session->read_msg_buf->str);
strretchomp(msg);
g_string_truncate(session->read_msg_buf, 0);
ret = session->recv_msg(session, msg);
session->recv_msg_notify(session, msg, session->recv_msg_notify_data);
g_free(msg);
if (ret < 0)
session->state = SESSION_ERROR;
return FALSE;
}
static gboolean sieve_read_chunk_cb(SockInfo *source,
GIOCondition condition, gpointer data)
{
SieveSession *sieve_session = SIEVE_SESSION(data);
Session *session = &sieve_session->session;
gint data_len;
gint ret;
cm_return_val_if_fail(condition == G_IO_IN, FALSE);
session_set_timeout(session, session->timeout_interval);
if (session->read_buf_len == 0) {
gint read_len = -1;
if (session->sock)
read_len = sock_read(session->sock,
session->read_buf,
SESSION_BUFFSIZE - 1);
if (read_len == -1 &&
session->state == SESSION_DISCONNECTED) {
g_warning ("sock_read: session disconnected");
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
return FALSE;
}
if (read_len == 0) {
g_warning("sock_read: received EOF");
session->state = SESSION_EOF;
return FALSE;
}
if (read_len < 0) {
switch (errno) {
case EAGAIN:
return TRUE;
default:
g_warning("sock_read: %s",
g_strerror(errno));
session->state = SESSION_ERROR;
return FALSE;
}
}
session->read_buf_len = read_len;
}
data_len = MIN(session->read_buf_len,
sieve_session->octets_remaining);
sieve_session->octets_remaining -= data_len;
session->read_buf_len -= data_len;
session->read_buf_p[data_len] = '\0';
/* progress callback */
sieve_read_chunk(sieve_session, session->read_buf_p, data_len);
if (session->read_buf_len == 0) {
session->read_buf_p = session->read_buf;
} else {
session->read_buf_p += data_len;
}
/* incomplete read */
if (sieve_session->octets_remaining > 0)
return TRUE;
/* complete */
if (session->io_tag > 0) {
g_source_remove(session->io_tag);
session->io_tag = 0;
}
/* completion callback */
ret = sieve_read_chunk_done(sieve_session);
if (ret < 0)
session->state = SESSION_ERROR;
return FALSE;
}
static IncState inc_pop3_session_do(IncSession *session)
{
Pop3Session *pop3_session = POP3_SESSION(session->session);
IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
gchar *server;
gchar *account_name;
gushort port;
gchar *buf;
debug_print("getting new messages of account %s...\n",
pop3_session->ac_prefs->account_name);
pop3_session->ac_prefs->last_pop_login_time = time(NULL);
buf = g_strdup_printf(_("%s: Retrieving new messages"),
pop3_session->ac_prefs->recv_server);
gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
g_free(buf);
server = pop3_session->ac_prefs->recv_server;
account_name = pop3_session->ac_prefs->account_name;
#ifdef USE_GNUTLS
port = pop3_session->ac_prefs->set_popport ?
pop3_session->ac_prefs->popport :
pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
SESSION(pop3_session)->nonblocking =
pop3_session->ac_prefs->use_nonblocking_ssl;
#else
if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return INC_CANCEL;
}
port = pop3_session->ac_prefs->set_popport ?
pop3_session->ac_prefs->popport : 110;
#endif
buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s:%d..."),
account_name, server, port);
statuswindow_print_all("%s", buf);
log_message(LOG_PROTOCOL, "%s\n", buf);
progress_dialog_set_label(inc_dialog->dialog, buf);
GTK_EVENTS_FLUSH();
g_free(buf);
session_set_timeout(SESSION(pop3_session),
prefs_common.io_timeout_secs * 1000);
if (session_connect(SESSION(pop3_session), server, port) < 0) {
if(!prefs_common.no_recv_err_panel) {
if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
}
alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
server, port);
manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
} else {
log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
server, port);
}
session->inc_state = INC_CONNECT_ERROR;
statuswindow_pop_all();
return INC_CONNECT_ERROR;
}
while (session_is_running(SESSION(pop3_session)) &&
session->inc_state != INC_CANCEL)
gtk_main_iteration();
if (session->inc_state == INC_SUCCESS) {
switch (pop3_session->error_val) {
case PS_SUCCESS:
switch (SESSION(pop3_session)->state) {
case SESSION_ERROR:
if (pop3_session->state == POP3_READY)
session->inc_state = INC_CONNECT_ERROR;
else
session->inc_state = INC_ERROR;
break;
case SESSION_EOF:
session->inc_state = INC_EOF;
break;
case SESSION_TIMEOUT:
session->inc_state = INC_TIMEOUT;
break;
default:
session->inc_state = INC_SUCCESS;
break;
}
break;
case PS_AUTHFAIL:
session->inc_state = INC_AUTH_FAILED;
break;
case PS_IOERR:
session->inc_state = INC_IO_ERROR;
break;
case PS_SOCKET:
session->inc_state = INC_SOCKET_ERROR;
break;
case PS_LOCKBUSY:
session->inc_state = INC_LOCKED;
break;
default:
session->inc_state = INC_ERROR;
break;
}
}
session_disconnect(SESSION(pop3_session));
statusbar_pop_all();
return session->inc_state;
}
gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
{
Session *session;
SMTPSession *smtp_session;
gushort port = 0;
gchar buf[BUFFSIZE];
gint ret = 0;
gboolean was_inited = FALSE;
MsgInfo *tmp_msginfo = NULL;
MsgFlags flags = {0, 0};
long fp_pos = 0;
gchar spec_from[BUFFSIZE];
ProxyInfo *proxy_info = NULL;
cm_return_val_if_fail(ac_prefs != NULL, -1);
cm_return_val_if_fail(ac_prefs->address != NULL, -1);
cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
cm_return_val_if_fail(to_list != NULL, -1);
cm_return_val_if_fail(fp != NULL, -1);
/* get the From address used, not necessarily the ac_prefs',
* because it's editable. */
fp_pos = ftell(fp);
if (fp_pos < 0) {
perror("ftell");
return -1;
}
tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
if (fseek(fp, fp_pos, SEEK_SET) < 0) {
perror("fseek");
return -1;
}
if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
extract_address(spec_from);
} else if (tmp_msginfo && tmp_msginfo->from) {
strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
extract_address(spec_from);
} else {
strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
}
if (tmp_msginfo) {
procmsg_msginfo_free(&tmp_msginfo);
}
if (!ac_prefs->session) {
/* we can't reuse a previously initialised session */
session = smtp_session_new(ac_prefs);
session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
smtp_session = SMTP_SESSION(session);
if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
smtp_session->hostname = g_strdup(ac_prefs->domain);
} else {
smtp_session->hostname = NULL;
}
#ifdef USE_GNUTLS
port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
session->ssl_type = ac_prefs->ssl_smtp;
if (ac_prefs->ssl_smtp != SSL_NONE)
session->nonblocking = ac_prefs->use_nonblocking_ssl;
if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
strlen(ac_prefs->gnutls_priority))
session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
session->use_tls_sni = ac_prefs->use_tls_sni;
#else
if (ac_prefs->ssl_smtp != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL/TLS, but SSL/TLS is not available "
"in this build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"), NULL,
ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != G_ALERTALTERNATE) {
session_destroy(session);
return -1;
}
}
port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
#endif
if (ac_prefs->use_smtp_auth) {
smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
smtp_session->user = g_strdup(ac_prefs->smtp_userid);
if (password_get(smtp_session->user,
ac_prefs->smtp_server, "smtp", port,
&(smtp_session->pass))) {
/* NOP */;
} else if ((smtp_session->pass =
passwd_store_get_account(ac_prefs->account_id,
PWS_ACCOUNT_SEND)) == NULL) {
smtp_session->pass =
input_dialog_query_password_keep
(ac_prefs->smtp_server,
smtp_session->user,
&(ac_prefs->session_smtp_passwd));
if (!smtp_session->pass) {
session_destroy(session);
return -1;
}
}
} else {
smtp_session->user = g_strdup(ac_prefs->userid);
if (password_get(smtp_session->user,
ac_prefs->smtp_server, "smtp", port,
&(smtp_session->pass))) {
/* NOP */;
} else if ((smtp_session->pass = passwd_store_get_account(
ac_prefs->account_id, PWS_ACCOUNT_RECV)) == NULL) {
smtp_session->pass =
input_dialog_query_password_keep
(ac_prefs->smtp_server,
smtp_session->user,
&(ac_prefs->session_smtp_passwd));
if (!smtp_session->pass) {
session_destroy(session);
return -1;
}
}
}
} else {
smtp_session->user = NULL;
smtp_session->pass = NULL;
}
send_dialog = send_progress_dialog_create();
send_dialog->session = session;
smtp_session->dialog = send_dialog;
progress_dialog_list_set(send_dialog->dialog, 0, NULL,
ac_prefs->smtp_server,
_("Connecting"));
if (ac_prefs->pop_before_smtp
&& (ac_prefs->protocol == A_POP3)
&& (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
log_message(LOG_PROTOCOL, "%s\n", buf);
progress_dialog_set_label(send_dialog->dialog, buf);
progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
GTK_EVENTS_FLUSH();
inc_pop_before_smtp(ac_prefs);
}
g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
ac_prefs->account_name, ac_prefs->smtp_server, port);
progress_dialog_set_label(send_dialog->dialog, buf);
log_message(LOG_PROTOCOL, "%s\n", buf);
session_set_recv_message_notify(session, send_recv_message, send_dialog);
session_set_send_data_progressive_notify
(session, send_send_data_progressive, send_dialog);
session_set_send_data_notify(session, send_send_data_finished, send_dialog);
} else {
/* everything is ready to start at MAIL FROM:, just
* reinit useful variables.
*/
session = SESSION(ac_prefs->session);
ac_prefs->session = NULL;
smtp_session = SMTP_SESSION(session);
smtp_session->state = SMTP_HELO;
send_dialog = (SendProgressDialog *)smtp_session->dialog;
was_inited = TRUE;
}
/* This has to be initialised for every mail sent */
smtp_session->from = g_strdup(spec_from);
smtp_session->to_list = to_list;
smtp_session->cur_to = to_list;
smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
if (ac_prefs->use_proxy && ac_prefs->use_proxy_for_send) {
if (ac_prefs->use_default_proxy) {
proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
if (proxy_info->use_proxy_auth)
proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
PWS_CORE_PROXY_PASS);
} else {
proxy_info = (ProxyInfo *)&(ac_prefs->proxy_info);
if (proxy_info->use_proxy_auth)
proxy_info->proxy_pass = passwd_store_get_account(ac_prefs->account_id,
PWS_ACCOUNT_PROXY_PASS);
}
}
SESSION(smtp_session)->proxy_info = proxy_info;
session_set_timeout(session,
prefs_common.io_timeout_secs * 1000);
/* connect if necessary */
if (!was_inited && session_connect(session, ac_prefs->smtp_server,
port) < 0) {
session_destroy(session);
send_progress_dialog_destroy(send_dialog);
ac_prefs->session = NULL;
return -1;
}
debug_print("send_message_smtp(): begin event loop\n");
if (was_inited) {
/* as the server is quiet, start sending ourselves */
smtp_from(smtp_session);
}
while (session_is_running(session) && send_dialog->cancelled == FALSE
&& SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
gtk_main_iteration();
if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
if (ac_prefs->session_smtp_passwd) {
g_free(ac_prefs->session_smtp_passwd);
ac_prefs->session_smtp_passwd = NULL;
}
ret = -1;
} else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
ret = 0;
} else if (session->state == SESSION_EOF &&
SMTP_SESSION(session)->state == SMTP_QUIT) {
/* consider EOF right after QUIT successful */
log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
ret = 0;
} else if (session->state == SESSION_ERROR ||
session->state == SESSION_EOF ||
session->state == SESSION_TIMEOUT ||
SMTP_SESSION(session)->state == SMTP_ERROR ||
SMTP_SESSION(session)->error_val != SM_OK)
ret = -1;
else if (send_dialog->cancelled == TRUE)
ret = -1;
if (ret == -1) {
manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
send_put_error(session);
manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
}
/* if we should close the connection, let's do it.
* Close it in case of error, too, as it helps reinitializing things
* easier.
*/
if (!keep_session || ret != 0) {
if (session_is_connected(session))
smtp_quit(smtp_session);
while (session_is_connected(session) && !send_dialog->cancelled)
gtk_main_iteration();
session_destroy(session);
ac_prefs->session = NULL;
send_progress_dialog_destroy(send_dialog);
} else {
g_free(smtp_session->from);
g_free(smtp_session->send_data);
g_free(smtp_session->error_msg);
}
if (keep_session && ret == 0 && ac_prefs->session == NULL)
ac_prefs->session = SMTP_SESSION(session);
statusbar_pop_all();
statusbar_verbosity_set(FALSE);
return ret;
}
