claws-mail/src/send.c

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2001 Hiroyuki Yamamoto
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*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
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#include <gtk/gtkmain.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtkclist.h>
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#include <stdio.h>
#include <string.h>
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#include <sys/time.h>
#include <unistd.h>
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#include "intl.h"
#include "send.h"
#include "socket.h"
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#include "ssl.h"
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#include "smtp.h"
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#include "esmtp.h"
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#include "prefs_common.h"
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#include "prefs_account.h"
#include "account.h"
#include "compose.h"
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#include "progressdialog.h"
#include "manage_window.h"
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#include "procmsg.h"
#include "procheader.h"
#include "utils.h"
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#include "gtkutils.h"
#include "inputdialog.h"
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#define SMTP_PORT 25
#if USE_SSL
#define SSMTP_PORT 465
#endif
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typedef struct _SendProgressDialog SendProgressDialog;
struct _SendProgressDialog
{
ProgressDialog *dialog;
GList *queue_list;
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gboolean cancelled;
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};
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static gint send_message_local (const gchar *command, FILE *fp);
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static gint send_message_smtp (GSList *to_list, const gchar *from,
const gchar *server, PrefsAccount *ac,
FILE *fp);
#if USE_SSL
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static SockInfo *send_smtp_open (const gchar *server, gushort port,
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const gchar *domain, gboolean use_smtp_auth,
SSLSMTPType ssl_type);
#else
static SockInfo *send_smtp_open (const gchar *server, gushort port,
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const gchar *domain, gboolean use_smtp_auth);
#endif
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static gint send_message_data (SendProgressDialog *dialog, SockInfo *sock,
FILE *fp, gint size);
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static SendProgressDialog *send_progress_dialog_create(void);
static void send_progress_dialog_destroy(SendProgressDialog *dialog);
static void send_cancel(GtkWidget *widget, gpointer data);
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gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
{
FILE *fp;
gint val;
g_return_val_if_fail(file != NULL, -1);
g_return_val_if_fail(ac_prefs != NULL, -1);
g_return_val_if_fail(to_list != NULL, -1);
if ((fp = fopen(file, "r")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
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if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
val = send_message_local(prefs_common.extsend_cmd, fp);
fclose(fp);
return val;
}
val = send_message_smtp(to_list, NULL, NULL, ac_prefs, fp);
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fclose(fp);
return val;
}
enum
{
Q_SENDER = 0,
Q_SMTPSERVER = 1,
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Q_RECIPIENTS = 2,
Q_ACCOUNT_ID = 3
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};
gint send_message_queue(const gchar *file)
{
static HeaderEntry qentry[] = {{"S:", NULL, FALSE},
{"SSV:", NULL, FALSE},
{"R:", NULL, FALSE},
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{"AID:", NULL, FALSE},
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{NULL, NULL, FALSE}};
FILE *fp;
gint val;
gchar *from = NULL;
gchar *server = NULL;
GSList *to_list = NULL;
gchar buf[BUFFSIZE];
gint hnum;
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PrefsAccount *ac = NULL;
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g_return_val_if_fail(file != NULL, -1);
if ((fp = fopen(file, "r")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
!= -1) {
gchar *p = buf + strlen(qentry[hnum].name);
switch (hnum) {
case Q_SENDER:
if (!from) from = g_strdup(p);
break;
case Q_SMTPSERVER:
if (!server) server = g_strdup(p);
break;
case Q_RECIPIENTS:
to_list = address_list_append(to_list, p);
break;
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case Q_ACCOUNT_ID:
ac = account_find_from_id(atoi(p));
break;
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default:
}
}
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if (!to_list || !from) {
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g_warning(_("Queued message header is broken.\n"));
val = -1;
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} else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
val = send_message_local(prefs_common.extsend_cmd, fp);
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} else {
if (!ac) {
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ac = account_find_from_smtp_server(from, server);
if (!ac) {
g_warning(_("Account not found. "
"Using current account...\n"));
ac = cur_account;
}
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}
if (ac) {
val = send_message_smtp(to_list, from, NULL, ac, fp);
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} else {
g_warning(_("Account not found.\n"));
val = send_message_smtp(to_list, from, server, NULL,
fp);
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}
}
slist_free_strings(to_list);
g_slist_free(to_list);
g_free(from);
g_free(server);
fclose(fp);
return val;
}
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static gint send_message_local(const gchar *command, FILE *fp)
{
FILE *pipefp;
gchar buf[BUFFSIZE];
g_return_val_if_fail(command != NULL, -1);
g_return_val_if_fail(fp != NULL, -1);
pipefp = popen(command, "w");
if (!pipefp) {
g_warning(_("Can't execute external command: %s\n"), command);
return -1;
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
strretchomp(buf);
/* escape when a dot appears on the top */
if (buf[0] == '.')
fputc('.', pipefp);
fputs(buf, pipefp);
fputc('\n', pipefp);
}
pclose(pipefp);
return 0;
}
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#define EXIT_IF_CANCELLED() \
{ \
if (dialog->cancelled) { \
sock_close(smtp_sock); \
send_progress_dialog_destroy(dialog); \
g_free(passwd); \
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return -1; \
} \
}
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#define SEND_EXIT_IF_ERROR(f, s) \
{ \
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EXIT_IF_CANCELLED(); \
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if (!(f)) { \
log_warning("Error occurred while %s\n", s); \
sock_close(smtp_sock); \
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send_progress_dialog_destroy(dialog); \
g_free(passwd); \
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return -1; \
} \
}
#define SEND_EXIT_IF_NOTOK(f, s) \
{ \
gint ok; \
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EXIT_IF_CANCELLED(); \
if ((ok = (f)) != SM_OK) { \
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log_warning("Error occurred while %s\n", s); \
if (ok == SM_AUTHFAIL) { \
if (ac && ac->tmp_smtp_passwd) { \
g_free(ac->tmp_smtp_passwd); \
ac->tmp_smtp_passwd = NULL; \
} \
} \
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if (smtp_quit(smtp_sock) != SM_OK) \
log_warning("Error occurred while sending QUIT\n"); \
sock_close(smtp_sock); \
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send_progress_dialog_destroy(dialog); \
g_free(passwd); \
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return -1; \
} \
}
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static gint send_message_smtp(GSList *to_list, const gchar *from,
const gchar *server, PrefsAccount *ac,
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FILE *fp)
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{
gushort port;
const gchar *domain;
const gchar *userid;
gchar *passwd = NULL;
gboolean use_smtp_auth;
#if USE_SSL
SSLSMTPType ssl_type;
#endif
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SockInfo *smtp_sock = NULL;
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SendProgressDialog *dialog;
GtkCList *clist;
const gchar *text[3];
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gchar buf[BUFFSIZE];
GSList *cur;
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gint size;
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g_return_val_if_fail(to_list != NULL, -1);
g_return_val_if_fail(fp != NULL, -1);
if (ac == NULL) {
g_return_val_if_fail(from != NULL, -1);
g_return_val_if_fail(server != NULL, -1);
port = SMTP_PORT;
domain = userid = passwd = NULL;
use_smtp_auth = FALSE;
#if USE_SSL
ssl_type = FALSE;
#endif
} else {
if (from == NULL)
from = ac->address;
if (server == NULL)
server = ac->smtp_server;
g_return_val_if_fail(from != NULL, -1);
g_return_val_if_fail(server != NULL, -1);
#if USE_SSL
port = ac->set_smtpport ? ac->smtpport :
ac->ssl_smtp == SSL_SMTP_TUNNEL ?
SSMTP_PORT : SMTP_PORT;
ssl_type = ac->ssl_smtp;
#else
port = ac->set_smtpport ? ac->smtpport : SMTP_PORT;
#endif
domain = ac->set_domain ? ac->domain : NULL;
userid = ac->smtp_userid;
use_smtp_auth = ac->use_smtp_auth;
if (ac->smtp_passwd)
passwd = g_strdup(ac->smtp_passwd);
else if (ac->tmp_smtp_passwd)
passwd = g_strdup(ac->tmp_smtp_passwd);
else if (use_smtp_auth && userid) {
gchar *pass;
gchar *message;
message = g_strdup_printf
(_("Input password for %s on %s:"),
userid, server);
pass = input_dialog_with_invisible(_("Input password"),
message, NULL);
g_free(message);
if (pass) {
ac->tmp_smtp_passwd = g_strdup(pass);
passwd = pass;
}
}
}
if (use_smtp_auth && (!userid || !passwd))
use_smtp_auth = FALSE;
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size = get_left_file_size(fp);
if (size < 0) return -1;
dialog = send_progress_dialog_create();
text[0] = NULL;
text[1] = server;
text[2] = _("Standby");
clist = GTK_CLIST(dialog->dialog->clist);
gtk_clist_append(clist, (gchar **)text);
g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
server);
log_message("%s\n", buf);
progress_dialog_set_label(dialog->dialog, buf);
gtk_clist_set_text(clist, 0, 2, _("Connecting"));
GTK_EVENTS_FLUSH();
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#if USE_SSL
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SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
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(server, port, domain, use_smtp_auth, ssl_type)),
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"connecting to server");
#else
SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
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(server, port, domain, use_smtp_auth)),
"connecting to server");
#endif
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progress_dialog_set_label(dialog->dialog, _("Sending MAIL FROM..."));
gtk_clist_set_text(clist, 0, 2, _("Sending"));
GTK_EVENTS_FLUSH();
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SEND_EXIT_IF_NOTOK
(smtp_from(smtp_sock, from, userid, passwd, use_smtp_auth),
"sending MAIL FROM");
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progress_dialog_set_label(dialog->dialog, _("Sending RCPT TO..."));
GTK_EVENTS_FLUSH();
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for (cur = to_list; cur != NULL; cur = cur->next)
SEND_EXIT_IF_NOTOK(smtp_rcpt(smtp_sock, (gchar *)cur->data),
"sending RCPT TO");
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progress_dialog_set_label(dialog->dialog, _("Sending DATA..."));
GTK_EVENTS_FLUSH();
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SEND_EXIT_IF_NOTOK(smtp_data(smtp_sock), "sending DATA");
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/* send main part */
SEND_EXIT_IF_ERROR(send_message_data(dialog, smtp_sock, fp, size) == 0,
"sending data");
progress_dialog_set_label(dialog->dialog, _("Quitting..."));
GTK_EVENTS_FLUSH();
SEND_EXIT_IF_NOTOK(smtp_eom(smtp_sock), "terminating data");
SEND_EXIT_IF_NOTOK(smtp_quit(smtp_sock), "sending QUIT");
sock_close(smtp_sock);
send_progress_dialog_destroy(dialog);
g_free(passwd);
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return 0;
}
#undef EXIT_IF_CANCELLED
#undef SEND_EXIT_IF_ERROR
#undef SEND_EXIT_IF_NOTOK
#define EXIT_IF_CANCELLED() \
{ \
if (dialog->cancelled) return -1; \
}
#define SEND_EXIT_IF_ERROR(f) \
{ \
EXIT_IF_CANCELLED(); \
if ((f) <= 0) return -1; \
}
#define SEND_DIALOG_UPDATE() \
{ \
gettimeofday(&tv_cur, NULL); \
if (tv_cur.tv_sec - tv_prev.tv_sec > 0 || \
tv_cur.tv_usec - tv_prev.tv_usec > UI_REFRESH_INTERVAL) { \
g_snprintf(str, sizeof(str), \
_("Sending message (%d / %d bytes)"), \
bytes, size); \
progress_dialog_set_label(dialog->dialog, str); \
progress_dialog_set_percentage \
(dialog->dialog, (gfloat)bytes / (gfloat)size); \
GTK_EVENTS_FLUSH(); \
gettimeofday(&tv_prev, NULL); \
} \
}
static gint send_message_data(SendProgressDialog *dialog, SockInfo *sock,
FILE *fp, gint size)
{
gchar buf[BUFFSIZE];
gchar str[BUFFSIZE];
gint bytes = 0;
struct timeval tv_prev, tv_cur;
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gettimeofday(&tv_prev, NULL);
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/* output header part */
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while (fgets(buf, sizeof(buf), fp) != NULL) {
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bytes += strlen(buf);
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strretchomp(buf);
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SEND_DIALOG_UPDATE();
if (!g_strncasecmp(buf, "Bcc:", 4)) {
gint next;
for (;;) {
next = fgetc(fp);
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if (next == EOF)
break;
else if (next != ' ' && next != '\t') {
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ungetc(next, fp);
break;
}
if (fgets(buf, sizeof(buf), fp) == NULL)
break;
else
bytes += strlen(buf);
}
} else {
SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
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if (buf[0] == '\0')
break;
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}
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}
/* output body part */
while (fgets(buf, sizeof(buf), fp) != NULL) {
bytes += strlen(buf);
strretchomp(buf);
SEND_DIALOG_UPDATE();
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/* escape when a dot appears on the top */
if (buf[0] == '.')
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SEND_EXIT_IF_ERROR(sock_write(sock, ".", 1));
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SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
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}
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g_snprintf(str, sizeof(str), _("Sending message (%d / %d bytes)"),
bytes, size);
progress_dialog_set_label(dialog->dialog, str);
progress_dialog_set_percentage
(dialog->dialog, (gfloat)bytes / (gfloat)size);
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GTK_EVENTS_FLUSH();
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return 0;
}
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#undef EXIT_IF_CANCELLED
#undef SEND_EXIT_IF_ERROR
#undef SEND_DIALOG_UPDATE
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#if USE_SSL
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static SockInfo *send_smtp_open(const gchar *server, gushort port,
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const gchar *domain, gboolean use_smtp_auth,
SSLSMTPType ssl_type)
#else
static SockInfo *send_smtp_open(const gchar *server, gushort port,
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const gchar *domain, gboolean use_smtp_auth)
#endif
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{
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SockInfo *sock;
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gint val;
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g_return_val_if_fail(server != NULL, NULL);
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if ((sock = sock_connect(server, port)) == NULL) {
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log_warning(_("Can't connect to SMTP server: %s:%d\n"),
server, port);
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return NULL;
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}
#if USE_SSL
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if (ssl_type == SSL_SMTP_TUNNEL && !ssl_init_socket(sock)) {
log_warning(_("SSL connection failed"));
sock_close(sock);
return NULL;
}
#endif
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if (smtp_ok(sock) != SM_OK) {
log_warning(_("Error occurred while connecting to %s:%d\n"),
server, port);
sock_close(sock);
return NULL;
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}
#if USE_SSL
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val = smtp_helo(sock, domain ? domain : get_domain_name(),
use_smtp_auth || ssl_type == SSL_SMTP_STARTTLS);
#else
val = smtp_helo(sock, domain ? domain : get_domain_name(),
use_smtp_auth);
#endif
if (val != SM_OK) {
log_warning(_("Error occurred while sending HELO\n"));
sock_close(sock);
return NULL;
}
#if USE_SSL
if (ssl_type == SSL_SMTP_STARTTLS) {
val = esmtp_starttls(sock);
if (val != SM_OK) {
log_warning(_("Error occurred while sending STARTTLS\n"));
sock_close(sock);
return NULL;
}
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if (!ssl_init_socket_with_method(sock, SSL_METHOD_TLSv1)) {
sock_close(sock);
return NULL;
}
val = esmtp_ehlo(sock, domain ? domain : get_domain_name());
if (val != SM_OK) {
log_warning(_("Error occurred while sending EHLO\n"));
sock_close(sock);
return NULL;
}
}
#endif
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return sock;
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}
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static SendProgressDialog *send_progress_dialog_create(void)
{
SendProgressDialog *dialog;
ProgressDialog *progress;
dialog = g_new0(SendProgressDialog, 1);
progress = progress_dialog_create();
gtk_window_set_title(GTK_WINDOW(progress->window),
_("Sending message"));
gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
GTK_SIGNAL_FUNC(send_cancel), dialog);
gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
GTK_SIGNAL_FUNC(gtk_true), NULL);
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gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
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manage_window_set_transient(GTK_WINDOW(progress->window));
progress_dialog_set_value(progress, 0.0);
gtk_widget_show_now(progress->window);
dialog->dialog = progress;
dialog->queue_list = NULL;
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dialog->cancelled = FALSE;
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return dialog;
}
static void send_progress_dialog_destroy(SendProgressDialog *dialog)
{
g_return_if_fail(dialog != NULL);
progress_dialog_destroy(dialog->dialog);
g_free(dialog);
}
static void send_cancel(GtkWidget *widget, gpointer data)
{
SendProgressDialog *dialog = data;
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dialog->cancelled = TRUE;
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}