claws-mail/src/send_message.c
2016-03-14 20:46:59 +01:00

711 lines
20 KiB
C

/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
*
* 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
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.h"
#endif
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#ifndef G_OS_WIN32
#include <sys/wait.h>
#endif
#include "send_message.h"
#include "session.h"
#include "ssl.h"
#include "smtp.h"
#include "prefs_common.h"
#include "prefs_account.h"
#include "procheader.h"
#include "account.h"
#include "progressdialog.h"
#include "statusbar.h"
#include "inputdialog.h"
#include "alertpanel.h"
#include "manage_window.h"
#include "logwindow.h"
#include "socket.h"
#include "utils.h"
#include "gtkutils.h"
#include "inc.h"
#include "log.h"
#include "passwordstore.h"
typedef struct _SendProgressDialog SendProgressDialog;
struct _SendProgressDialog
{
ProgressDialog *dialog;
Session *session;
gboolean cancelled;
};
static SendProgressDialog *send_dialog = NULL;
static gint send_recv_message (Session *session,
const gchar *msg,
gpointer data);
static gint send_send_data_progressive (Session *session,
guint cur_len,
guint total_len,
gpointer data);
static gint send_send_data_finished (Session *session,
guint len,
gpointer data);
static SendProgressDialog *send_progress_dialog_create(void);
static void send_progress_dialog_destroy(SendProgressDialog *dialog);
static void send_showlog_button_cb (GtkWidget *widget,
gpointer data);
static void send_cancel_button_cb (GtkWidget *widget,
gpointer data);
static void send_put_error (Session *session);
void send_cancel(void)
{
if (send_dialog)
send_cancel_button_cb(NULL, send_dialog);
}
gboolean send_is_active(void)
{
return (send_dialog != NULL);
}
gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
{
FILE *fp;
gint val;
cm_return_val_if_fail(file != NULL, -1);
cm_return_val_if_fail(ac_prefs != NULL, -1);
cm_return_val_if_fail(to_list != NULL, -1);
if ((fp = g_fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
inc_lock();
if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
(*ac_prefs->mail_command)) {
val = send_message_local(ac_prefs->mail_command, fp);
fclose(fp);
inc_unlock();
return val;
} else {
val = send_message_smtp(ac_prefs, to_list, fp);
fclose(fp);
inc_unlock();
return val;
}
}
enum
{
Q_SENDER = 0,
Q_SMTPSERVER = 1,
Q_RECIPIENTS = 2,
Q_ACCOUNT_ID = 3
};
gint send_message_local(const gchar *command, FILE *fp)
{
gchar **argv;
GPid pid;
gint child_stdin;
gchar buf[BUFFSIZE];
gboolean err = FALSE;
gint status;
cm_return_val_if_fail(command != NULL, -1);
cm_return_val_if_fail(fp != NULL, -1);
log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
argv = strsplit_with_quote(command, " ", 0);
if (g_spawn_async_with_pipes(NULL, argv, NULL,
#ifdef G_OS_WIN32
0,
#else
G_SPAWN_DO_NOT_REAP_CHILD,
#endif
NULL, NULL,
&pid, &child_stdin, NULL, NULL,
NULL) == FALSE) {
g_snprintf(buf, sizeof(buf),
_("Couldn't execute command: %s"), command);
log_warning(LOG_PROTOCOL, "%s\n", buf);
alertpanel_error("%s", buf);
g_strfreev(argv);
return -1;
}
g_strfreev(argv);
while (fgets(buf, sizeof(buf), fp) != NULL) {
strretchomp(buf);
if (buf[0] == '.' && buf[1] == '\0') {
if (fd_write_all(child_stdin, ".", 1) < 0) {
err = TRUE;
break;
}
}
if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
fd_write_all(child_stdin, "\n", 1) < 0) {
err = TRUE;
break;
}
}
fd_close(child_stdin);
#ifndef G_OS_WIN32
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
err = TRUE;
#endif
g_spawn_close_pid(pid);
if (err) {
g_snprintf(buf, sizeof(buf),
_("Error occurred while executing command: %s"),
command);
log_warning(LOG_PROTOCOL, "%s\n", buf);
alertpanel_error("%s", buf);
return -1;
}
return 0;
}
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];
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);
#else
if (ac_prefs->ssl_smtp != 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) {
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_APOP || 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);
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);
statuswindow_pop_all();
statusbar_verbosity_set(FALSE);
return ret;
}
gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
{
return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
}
static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
{
gchar buf[BUFFSIZE];
SMTPSession *smtp_session = SMTP_SESSION(session);
SendProgressDialog *dialog = (SendProgressDialog *)data;
gchar *state_str = NULL;
cm_return_val_if_fail(dialog != NULL, -1);
switch (smtp_session->state) {
case SMTP_READY:
return 0;
case SMTP_HELO:
g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
state_str = _("Authenticating");
statuswindow_print_all(_("Sending message..."));
break;
case SMTP_EHLO:
g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
state_str = _("Authenticating");
statuswindow_print_all(_("Sending message..."));
break;
case SMTP_AUTH:
g_snprintf(buf, sizeof(buf), _("Authenticating..."));
state_str = _("Authenticating");
break;
case SMTP_FROM:
g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
state_str = _("Sending");
break;
case SMTP_RCPT:
g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
state_str = _("Sending");
break;
case SMTP_DATA:
case SMTP_EOM:
g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
state_str = _("Sending");
break;
case SMTP_QUIT:
g_snprintf(buf, sizeof(buf), _("Quitting..."));
state_str = _("Quitting");
break;
case SMTP_ERROR:
g_warning("send: error: %s", msg);
return 0;
default:
return 0;
}
progress_dialog_set_label(dialog->dialog, buf);
progress_dialog_list_set_status(dialog->dialog, 0, state_str);
return 0;
}
static gint send_send_data_progressive(Session *session, guint cur_len,
guint total_len, gpointer data)
{
gchar buf[BUFFSIZE];
SendProgressDialog *dialog = (SendProgressDialog *)data;
MainWindow *mainwin = mainwindow_get_mainwindow();
cm_return_val_if_fail(dialog != NULL, -1);
if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
SMTP_SESSION(session)->state != SMTP_EOM)
return 0;
g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
cur_len, total_len);
progress_dialog_set_label(dialog->dialog, buf);
progress_dialog_set_fraction
(dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
if (mainwin) {
if (!gtk_widget_get_visible(mainwin->progressbar))
gtk_widget_show(mainwin->progressbar);
gtk_progress_bar_set_fraction
(GTK_PROGRESS_BAR(mainwin->progressbar),
(total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
}
return 0;
}
static gint send_send_data_finished(Session *session, guint len, gpointer data)
{
SendProgressDialog *dialog = (SendProgressDialog *)data;
MainWindow *mainwin = mainwindow_get_mainwindow();
cm_return_val_if_fail(dialog != NULL, -1);
send_send_data_progressive(session, len, len, dialog);
if (mainwin) {
gtk_widget_hide(mainwin->progressbar);
gtk_progress_bar_set_fraction
(GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
}
return 0;
}
static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
GtkAllocation *allocation)
{
cm_return_if_fail(allocation != NULL);
prefs_common.sendwin_width = allocation->width;
prefs_common.sendwin_height = allocation->height;
}
static SendProgressDialog *send_progress_dialog_create(void)
{
SendProgressDialog *dialog;
ProgressDialog *progress;
static GdkGeometry geometry;
dialog = g_new0(SendProgressDialog, 1);
progress = progress_dialog_create();
gtk_window_set_title(GTK_WINDOW(progress->window),
_("Sending message"));
g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
G_CALLBACK(send_showlog_button_cb), dialog);
g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
G_CALLBACK(send_cancel_button_cb), dialog);
g_signal_connect(G_OBJECT(progress->window), "delete_event",
G_CALLBACK(gtk_true), NULL);
gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
g_signal_connect(G_OBJECT(progress->window), "size_allocate",
G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
manage_window_set_transient(GTK_WINDOW(progress->window));
progress_dialog_get_fraction(progress);
if (!geometry.min_height) {
geometry.min_width = 460;
geometry.min_height = 250;
}
gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
GDK_HINT_MIN_SIZE);
gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
prefs_common.sendwin_height);
if (!prefs_common.send_dialog_invisible) {
gtk_widget_show_now(progress->window);
}
dialog->dialog = progress;
return dialog;
}
static void send_progress_dialog_destroy(SendProgressDialog *dialog)
{
cm_return_if_fail(dialog != NULL);
if (!prefs_common.send_dialog_invisible) {
progress_dialog_destroy(dialog->dialog);
}
g_free(dialog);
send_dialog = NULL;
}
static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
{
MainWindow *mainwin = mainwindow_get_mainwindow();
log_window_show(mainwin->logwin);
}
static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
{
SendProgressDialog *dialog = (SendProgressDialog *)data;
statusbar_progress_all(0,0,0);
dialog->cancelled = TRUE;
}
static void send_put_error(Session *session)
{
gchar *msg;
gchar *log_msg = NULL;
gchar *err_msg = NULL;
msg = SMTP_SESSION(session)->error_msg;
switch (SMTP_SESSION(session)->error_val) {
case SM_ERROR:
case SM_UNRECOVERABLE:
log_msg = _("Error occurred while sending the message.");
if (msg)
err_msg = g_strdup_printf
(_("Error occurred while sending the message:\n%s"),
msg);
else
err_msg = g_strdup(log_msg);
break;
case SM_AUTHFAIL:
log_msg = _("Authentication failed.");
if (msg)
err_msg = g_strdup_printf
(_("Authentication failed:\n%s"), msg);
else
err_msg = g_strdup(log_msg);
break;
default:
switch (session->state) {
case SESSION_ERROR:
log_msg =
_("Error occurred while sending the message.");
err_msg = g_strdup(log_msg);
break;
case SESSION_EOF:
log_msg = _("Connection closed by the remote host.");
err_msg = g_strdup(log_msg);
break;
case SESSION_TIMEOUT:
log_msg = _("Session timed out. You may be able to "
"recover by increasing the timeout value in "
"Preferences/Other/Miscellaneous.");
err_msg = g_strdup(log_msg);
break;
default:
break;
}
break;
}
if (err_msg) {
log_error(LOG_PROTOCOL, "%s\n", err_msg);
g_free(err_msg);
} else {
if (log_msg)
log_warning(LOG_PROTOCOL, "%s\n", log_msg);
}
}