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 lock_mbox(const gchar *base, LockType type)
{
#ifdef G_OS_UNIX
gint retval = 0;
if (type == LOCK_FILE) {
gchar *lockfile, *locklink;
gint retry = 0;
FILE *lockfp;
lockfile = g_strdup_printf("%s.%d", base, getpid());
if ((lockfp = g_fopen(lockfile, "wb")) == NULL) {
FILE_OP_ERROR(lockfile, "fopen");
g_warning("can't create lock file %s\n", lockfile);
g_warning("use 'flock' instead of 'file' if possible.\n");
g_free(lockfile);
return -1;
}
if (fprintf(lockfp, "%d\n", getpid()) < 0) {
FILE_OP_ERROR(lockfile, "fprintf");
g_free(lockfile);
fclose(lockfp);
return -1;
}
if (fclose(lockfp) == EOF) {
FILE_OP_ERROR(lockfile, "fclose");
g_free(lockfile);
return -1;
}
locklink = g_strconcat(base, ".lock", NULL);
while (link(lockfile, locklink) < 0) {
FILE_OP_ERROR(lockfile, "link");
if (retry >= 5) {
g_warning("can't create %s\n", lockfile);
claws_unlink(lockfile);
g_free(lockfile);
return -1;
}
if (retry == 0)
g_warning("mailbox is owned by another"
" process, waiting...\n");
retry++;
sleep(5);
}
claws_unlink(lockfile);
g_free(lockfile);
} else if (type == LOCK_FLOCK) {
gint lockfd;
gboolean fcntled = FALSE;
#if HAVE_FCNTL_H && !defined(G_OS_WIN32)
struct flock fl;
fl.l_type = F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
#endif
#if HAVE_FLOCK
if ((lockfd = g_open(base, O_RDWR, 0)) < 0) {
#else
if ((lockfd = g_open(base, O_RDWR, 0)) < 0) {
#endif
FILE_OP_ERROR(base, "open");
return -1;
}
#if HAVE_FCNTL_H && !defined(G_OS_WIN32)
if (fcntl(lockfd, F_SETLK, &fl) == -1) {
g_warning("can't fnctl %s (%s)", base, strerror(errno));
return -1;
} else {
fcntled = TRUE;
}
#endif
#if HAVE_FLOCK
if (flock(lockfd, LOCK_EX|LOCK_NB) < 0 && !fcntled) {
perror("flock");
#else
#if HAVE_LOCKF
if (lockf(lockfd, F_TLOCK, 0) < 0 && !fcntled) {
perror("lockf");
#else
{
#endif
#endif /* HAVE_FLOCK */
g_warning("can't lock %s\n", base);
if (close(lockfd) < 0)
perror("close");
return -1;
}
retval = lockfd;
} else {
g_warning("invalid lock type\n");
return -1;
}
return retval;
#else
return -1;
#endif /* G_OS_UNIX */
}
gint unlock_mbox(const gchar *base, gint fd, LockType type)
{
if (type == LOCK_FILE) {
gchar *lockfile;
lockfile = g_strconcat(base, ".lock", NULL);
if (claws_unlink(lockfile) < 0) {
FILE_OP_ERROR(lockfile, "unlink");
g_free(lockfile);
return -1;
}
g_free(lockfile);
return 0;
} else if (type == LOCK_FLOCK) {
gboolean fcntled = FALSE;
#if HAVE_FCNTL_H && !defined(G_OS_WIN32)
struct flock fl;
fl.l_type = F_UNLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
if (fcntl(fd, F_SETLK, &fl) == -1) {
g_warning("can't fnctl %s", base);
} else {
fcntled = TRUE;
}
#endif
#if HAVE_FLOCK
if (flock(fd, LOCK_UN) < 0 && !fcntled) {
perror("flock");
#else
#if HAVE_LOCKF
if (lockf(fd, F_ULOCK, 0) < 0 && !fcntled) {
perror("lockf");
#else
{
#endif
#endif /* HAVE_FLOCK */
g_warning("can't unlock %s\n", base);
if (close(fd) < 0)
perror("close");
return -1;
}
if (close(fd) < 0) {
perror("close");
return -1;
}
return 0;
}
g_warning("invalid lock type\n");
return -1;
}
gint copy_mbox(gint srcfd, const gchar *dest)
{
FILE *dest_fp;
ssize_t n_read;
gchar buf[BUFSIZ];
gboolean err = FALSE;
int save_errno = 0;
if (srcfd < 0) {
return -1;
}
if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
FILE_OP_ERROR(dest, "fopen");
return -1;
}
if (change_file_mode_rw(dest_fp, dest) < 0) {
FILE_OP_ERROR(dest, "chmod");
g_warning("can't change file mode\n");
}
while ((n_read = read(srcfd, buf, sizeof(buf))) > 0) {
if (n_read == -1 && errno != 0) {
save_errno = errno;
break;
}
if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
g_warning("writing to %s failed.\n", dest);
fclose(dest_fp);
claws_unlink(dest);
return -1;
}
}
if (save_errno != 0) {
g_warning("error %d reading mbox: %s\n", save_errno,
strerror(save_errno));
err = TRUE;
}
if (fclose(dest_fp) == EOF) {
FILE_OP_ERROR(dest, "fclose");
err = TRUE;
}
if (err) {
claws_unlink(dest);
return -1;
}
return 0;
}
void empty_mbox(const gchar *mbox)
{
FILE *fp;
if ((fp = g_fopen(mbox, "wb")) == NULL) {
FILE_OP_ERROR(mbox, "fopen");
g_warning("can't truncate mailbox to zero.\n");
return;
}
fclose(fp);
}
gint export_list_to_mbox(GSList *mlist, const gchar *mbox)
/* return values: -2 skipped, -1 error, 0 OK */
{
GSList *cur;
MsgInfo *msginfo;
FILE *msg_fp;
FILE *mbox_fp;
gchar buf[BUFFSIZE];
int err = 0;
gint msgs = 1, total = g_slist_length(mlist);
if (g_file_test(mbox, G_FILE_TEST_EXISTS) == TRUE) {
if (alertpanel_full(_("Overwrite mbox file"),
_("This file already exists. Do you want to overwrite it?"),
GTK_STOCK_CANCEL, _("Overwrite"), NULL, FALSE,
NULL, ALERT_WARNING, G_ALERTDEFAULT)
!= G_ALERTALTERNATE) {
return -2;
}
}
if ((mbox_fp = g_fopen(mbox, "wb")) == NULL) {
FILE_OP_ERROR(mbox, "fopen");
alertpanel_error(_("Could not create mbox file:\n%s\n"), mbox);
return -1;
}
#ifdef HAVE_FGETS_UNLOCKED
flockfile(mbox_fp);
#endif
statuswindow_print_all(_("Exporting to mbox..."));
for (cur = mlist; cur != NULL; cur = cur->next) {
int len;
gchar buft[BUFFSIZE];
msginfo = (MsgInfo *)cur->data;
msg_fp = procmsg_open_message(msginfo);
if (!msg_fp) {
continue;
}
#ifdef HAVE_FGETS_UNLOCKED
flockfile(msg_fp);
#endif
strncpy2(buf,
msginfo->from ? msginfo->from :
cur_account && cur_account->address ?
cur_account->address : "unknown",
sizeof(buf));
extract_address(buf);
if (fprintf(mbox_fp, "From %s %s",
buf, ctime_r(&msginfo->date_t, buft)) < 0) {
err = -1;
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
goto out;
}
buf[0] = '\0';
/* write email to mboxrc */
while (SC_FGETS(buf, sizeof(buf), msg_fp) != NULL) {
/* quote any From, >From, >>From, etc., according to mbox format specs */
int offset;
offset = 0;
/* detect leading '>' char(s) */
while ((buf[offset] == '>')) {
offset++;
}
if (!strncmp(buf+offset, "From ", 5)) {
if (SC_FPUTC('>', mbox_fp) == EOF) {
err = -1;
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
goto out;
}
}
if (SC_FPUTS(buf, mbox_fp) == EOF) {
err = -1;
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
goto out;
}
}
/* force last line to end w/ a newline */
len = strlen(buf);
if (len > 0) {
len--;
if ((buf[len] != '\n') && (buf[len] != '\r')) {
if (SC_FPUTC('\n', mbox_fp) == EOF) {
err = -1;
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
goto out;
}
}
}
/* add a trailing empty line */
if (SC_FPUTC('\n', mbox_fp) == EOF) {
err = -1;
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
goto out;
}
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(msg_fp);
#endif
fclose(msg_fp);
statusbar_progress_all(msgs++,total, 500);
if (msgs%500 == 0)
GTK_EVENTS_FLUSH();
}
out:
statusbar_progress_all(0,0,0);
statuswindow_pop_all();
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(mbox_fp);
#endif
fclose(mbox_fp);
return err;
}
