GVfsFtpConnection *
g_vfs_ftp_connection_new (GSocketConnectable *addr,
GCancellable * cancellable,
GError ** error)
{
GVfsFtpConnection *conn;
g_return_val_if_fail (G_IS_SOCKET_CONNECTABLE (addr), NULL);
conn = g_slice_new0 (GVfsFtpConnection);
conn->client = g_socket_client_new ();
conn->debug_id = g_atomic_int_add (&debug_id, 1);
conn->commands = G_IO_STREAM (g_socket_client_connect (conn->client,
addr,
cancellable,
error));
if (conn->commands == NULL)
{
g_object_unref (conn->client);
g_slice_free (GVfsFtpConnection, conn);
return NULL;
}
conn->connection = G_SOCKET_CONNECTION (conn->commands);
enable_nodelay (conn->connection);
enable_keepalive (conn->connection);
create_input_stream (conn);
/* The first thing that needs to happen is receiving the welcome message */
conn->waiting_for_reply = TRUE;
return conn;
}
/**
* g_vfs_ftp_connection_accept_data_connection:
* @conn: a listening connection
* @cancellable: cancellable to interrupt wait
* @error: %NULL or location to take a potential error
*
* Opens a data connection for @conn by accepting an incoming connection on the
* address it is listening on via g_vfs_ftp_connection_listen_data_connection(),
* which must have been called prior to this function.
* If this function succeeds, a data connection will have been opened, and calls
* to g_vfs_ftp_connection_get_data_stream() will work.
*
* Returns: %TRUE if a connection was successfully acquired
**/
gboolean
g_vfs_ftp_connection_accept_data_connection (GVfsFtpConnection *conn,
GCancellable * cancellable,
GError ** error)
{
GSocket *accepted;
GCancellable *timer;
gulong cancel_cb_id;
GIOCondition condition;
g_return_val_if_fail (conn != NULL, FALSE);
g_return_val_if_fail (conn->data == NULL, FALSE);
g_return_val_if_fail (G_IS_SOCKET (conn->listen_socket), FALSE);
timer = g_cancellable_new ();
cancel_cb_id = g_cancellable_connect (cancellable,
G_CALLBACK (cancel_timer_cb),
timer,
NULL);
g_object_ref (timer);
g_timeout_add_seconds_full (G_PRIORITY_DEFAULT,
G_VFS_FTP_TIMEOUT_IN_SECONDS,
cancel_cancellable,
timer,
g_object_unref);
condition = g_socket_condition_wait (conn->listen_socket, G_IO_IN, timer, error);
g_cancellable_disconnect (cancellable, cancel_cb_id);
g_object_unref (timer);
if ((condition & G_IO_IN) == 0)
{
if (g_cancellable_is_cancelled (timer) &&
!g_cancellable_is_cancelled (cancellable))
{
g_clear_error (error);
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_HOST_NOT_FOUND,
_("Failed to create active FTP connection. "
"Maybe your router does not support this?"));
}
else if (error && *error == NULL)
{
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_HOST_NOT_FOUND,
_("Failed to create active FTP connection."));
}
return FALSE;
}
accepted = g_socket_accept (conn->listen_socket, cancellable, error);
if (accepted == NULL)
return FALSE;
conn->data = G_IO_STREAM (g_socket_connection_factory_create_connection (accepted));
g_object_unref (accepted);
enable_nodelay (G_SOCKET_CONNECTION (conn->data));
return TRUE;
}
/*
* Accept a new Telnet connection.
*/
static void
telnet_accept(void *vp)
{
ndesc_t *nd = vp;
int addrlen, s;
struct sockaddr_in addr;
telnet_t *tp;
void *ip;
nd_enable(nd, ND_R);
addrlen = sizeof (addr);
s = accept(nd_fd(nd), (struct sockaddr *)&addr, &addrlen);
if (s == -1)
{
switch (errno)
{
default:
warning("telnet_accept: accept() errno = %d. ip: %s\n",
errno, inet_ntoa(addr.sin_addr));
case EWOULDBLOCK:
case EINTR:
case EPROTO:
return;
}
}
enable_nbio(s);
enable_oobinline(s);
enable_nodelay(s);
enable_lowdelay(s);
enable_keepalive(s);
set_rcvsize(s, TELNET_RCVBUF_SIZE);
set_sndsize(s, TELNET_SNDBUF_SIZE);
tp = telnet_alloc();
tp->t_nd = nd_attach(s, telnet_read, telnet_write, telnet_exception,
NULL, telnet_shutdown, tp);
ip = (void *)new_player(tp, &addr, addrlen);
if (ip == NULL)
{
telnet_shutdown(tp->t_nd, tp);
}
else
{
telnet_attach(tp, ip);
nd_enable(tp->t_nd, ND_R | ND_X);
}
}
gboolean
g_vfs_ftp_connection_open_data_connection (GVfsFtpConnection *conn,
GSocketAddress * addr,
GCancellable * cancellable,
GError ** error)
{
g_return_val_if_fail (conn != NULL, FALSE);
g_return_val_if_fail (conn->data == NULL, FALSE);
g_vfs_ftp_connection_stop_listening (conn);
conn->data = G_IO_STREAM (g_socket_client_connect (conn->client,
G_SOCKET_CONNECTABLE (addr),
cancellable,
error));
if (conn->data)
enable_nodelay (G_SOCKET_CONNECTION (conn->data));
return conn->data != NULL;
}
/* Look for needle, starting at (current, current_x). begin is the line
* where we first started searching, at column begin_x. The return
* value specifies whether we found anything. If we did, set needle_len
* to the length of the string we found if it isn't NULL. */
bool findnextstr(
#ifndef DISABLE_SPELLER
bool whole_word_only,
#endif
const filestruct *begin, size_t begin_x,
const char *needle, size_t *needle_len)
{
size_t found_len;
/* The length of the match we find. */
size_t current_x_find = 0;
/* The location in the current line of the match we find. */
ssize_t current_y_find = openfile->current_y;
filestruct *fileptr = openfile->current;
const char *rev_start = fileptr->data, *found = NULL;
time_t lastkbcheck = time(NULL);
/* rev_start might end up 1 character before the start or after the
* end of the line. This won't be a problem because strstrwrapper()
* will return immediately and say that no match was found, and
* rev_start will be properly set when the search continues on the
* previous or next line. */
rev_start +=
#ifndef NANO_TINY
ISSET(BACKWARDS_SEARCH) ?
((openfile->current_x == 0) ? -1 : move_mbleft(fileptr->data, openfile->current_x)) :
#endif
move_mbright(fileptr->data, openfile->current_x);
/* Look for needle in the current line we're searching. */
enable_nodelay();
while (TRUE) {
if (time(NULL) - lastkbcheck > 1) {
int input = parse_kbinput(edit);
lastkbcheck = time(NULL);
if (input && func_from_key(&input) == do_cancel) {
statusbar(_("Cancelled"));
return FALSE;
}
}
found = strstrwrapper(fileptr->data, needle, rev_start);
/* We've found a potential match. */
if (found != NULL) {
#ifndef DISABLE_SPELLER
bool found_whole = FALSE;
/* Is this potential match a whole word? */
#endif
/* Set found_len to the length of the potential match. */
found_len =
#ifdef HAVE_REGEX_H
ISSET(USE_REGEXP) ?
regmatches[0].rm_eo - regmatches[0].rm_so :
#endif
strlen(needle);
#ifndef DISABLE_SPELLER
/* If we're searching for whole words, see if this potential
* match is a whole word. */
if (whole_word_only) {
char *word = mallocstrncpy(NULL, found, found_len + 1);
word[found_len] = '\0';
found_whole = is_whole_word(found - fileptr->data,
fileptr->data, word);
free(word);
}
/* If we're searching for whole words and this potential
* match isn't a whole word, continue searching. */
if (!whole_word_only || found_whole)
#endif
break;
}
if (search_last_line) {
/* We've finished processing the file, so get out. */
not_found_msg(needle);
disable_nodelay();
return FALSE;
}
/* Move to the previous or next line in the file. */
#ifndef NANO_TINY
if (ISSET(BACKWARDS_SEARCH)) {
fileptr = fileptr->prev;
current_y_find--;
} else {
#endif
fileptr = fileptr->next;
current_y_find++;
#ifndef NANO_TINY
}
#endif
if (fileptr == NULL) {
/* We've reached the start or end of the buffer, so wrap around. */
#ifndef NANO_TINY
if (ISSET(BACKWARDS_SEARCH)) {
fileptr = openfile->filebot;
current_y_find = editwinrows - 1;
} else {
#endif
fileptr = openfile->fileage;
current_y_find = 0;
#ifndef NANO_TINY
}
#endif
statusbar(_("Search Wrapped"));
}
if (fileptr == begin)
/* We've reached the original starting line. */
search_last_line = TRUE;
rev_start = fileptr->data;
#ifndef NANO_TINY
if (ISSET(BACKWARDS_SEARCH))
rev_start += strlen(fileptr->data);
#endif
}
/* We found an instance. */
current_x_find = found - fileptr->data;
/* Ensure we haven't wrapped around again! */
if (search_last_line &&
#ifndef NANO_TINY
((!ISSET(BACKWARDS_SEARCH) && current_x_find > begin_x) ||
(ISSET(BACKWARDS_SEARCH) && current_x_find < begin_x))
#else
current_x_find > begin_x
#endif
) {
not_found_msg(needle);
disable_nodelay();
return FALSE;
}
disable_nodelay();
/* We've definitely found something. */
openfile->current = fileptr;
openfile->current_x = current_x_find;
openfile->placewewant = xplustabs();
openfile->current_y = current_y_find;
/* needle_len holds the length of needle. */
if (needle_len != NULL)
*needle_len = found_len;
return TRUE;
}
