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_exchange_and_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;
}
enable_keepalive (G_SOCKET_CONNECTION (conn->commands));
conn->commands_in = G_DATA_INPUT_STREAM (g_data_input_stream_new (g_io_stream_get_input_stream (conn->commands)));
g_data_input_stream_set_newline_type (conn->commands_in, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
/* The first thing that needs to happen is receiving the welcome message */
conn->waiting_for_reply = TRUE;
return conn;
}
void ControllerLIRC::line_read( GObject * stream , GAsyncResult * result )
{
GError * error = 0;
char * line = g_data_input_stream_read_line_finish( G_DATA_INPUT_STREAM( stream ) , result , NULL , & error );
if ( error )
{
tplog( "READ ERROR : %s" , error->message );
g_clear_error( & error );
g_object_unref( connection );
connection = 0;
return;
}
if ( line )
{
// Split it into 4 pieces
gchar * * parts = g_strsplit( line , " " , 4 );
if ( g_strv_length( parts ) >= 3 )
{
KeyMap::const_iterator it = key_map.find( parts[ 2 ] );
if ( it != key_map.end() )
{
if ( g_timer_elapsed( timer , NULL ) >= repeat )
{
tp_controller_key_down( controller , it->second , 0 , TP_CONTROLLER_MODIFIER_NONE );
tp_controller_key_up( controller , it->second , 0 , TP_CONTROLLER_MODIFIER_NONE );
g_timer_start( timer );
}
}
}
g_strfreev(parts);
g_free( line );
}
g_data_input_stream_read_line_async( G_DATA_INPUT_STREAM( stream ) , 0 , NULL , line_read , this );
}
static void
create_input_stream (GVfsFtpConnection *conn)
{
if (conn->commands_in)
{
g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (conn->commands_in), FALSE);
g_object_unref (conn->commands_in);
}
conn->commands_in = G_DATA_INPUT_STREAM (g_data_input_stream_new (g_io_stream_get_input_stream (conn->commands)));
g_data_input_stream_set_newline_type (conn->commands_in, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
}
static void
gspeechd_client_read_speak_data_cb (GInputStream *stream,
GAsyncResult *res,
gpointer user_data)
{
GSpeechdClient *client = user_data;
gchar *s, *response;
gsize len;
SsipStatus status;
gboolean ret;
GError *error = NULL;
s = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM(stream),
res,
&len,
&error);
g_printf ("--->%s\n",s);
#define END_SPEAK_DATA_STR ".\xD"
#define END_SPEAK_DATA_RESPONSE "225-1\r\n"
if (g_strcmp0 (s, END_SPEAK_DATA_STR) != 0) {
g_data_input_stream_read_line_async(client->input,
G_PRIORITY_DEFAULT,
client->cancellable,
(GAsyncReadyCallback)gspeechd_client_read_speak_data_cb,
gspeechd_client_ref (client));
return;
}
ret = g_data_output_stream_put_string (client->output,
END_SPEAK_DATA_RESPONSE,
client->cancellable,
NULL);
g_printf ("%d %s\n", ret, END_SPEAK_DATA_RESPONSE);
status = OK_MESSAGE_QUEUED;
response = ssip_response (status);
ret = g_data_output_stream_put_string (client->output,
response,
client->cancellable,
NULL);
g_printf ("%d %s\n", ret, response);
/* parse commands again */
g_data_input_stream_read_line_async(client->input,
G_PRIORITY_DEFAULT,
client->cancellable,
(GAsyncReadyCallback)gspeechd_client_read_line_cb,
gspeechd_client_ref (client));
}
static void stdin_read_complete(GObject *src, GAsyncResult *res, gpointer data)
{
char *s, *ep;
GError *err = NULL;
gsize len;
s = g_data_input_stream_read_line_finish(G_DATA_INPUT_STREAM(src), res,
&len, &err);
if (!s) {
if (err) {
FATAL_ERROR("Reading from stdin: %s\n", err->message);
g_error_free(err);
return;
}
switch (state) {
case STATE_WAITING_FOR_BUS_N_DEV:
FATAL_ERROR("EOF while waiting for bus and device num\n");
break;
case STATE_WAITING_FOR_POL_KIT:
ERROR("Cancelled while waiting for authorization\n");
break;
case STATE_WAITING_FOR_STDIN_EOF:
cleanup();
break;
}
return;
}
switch (state) {
case STATE_WAITING_FOR_BUS_N_DEV:
busnum = strtol(s, &ep, 10);
if (!isspace(*ep)) {
FATAL_ERROR("Invalid busnum / devnum: %s\n", s);
break;
}
devnum = strtol(ep, &ep, 10);
if (*ep != '\0') {
FATAL_ERROR("Invalid busnum / devnum: %s\n", s);
break;
}
/*
* The set_facl() call is a no-op for root, so no need to ask PolKit
* and then if ok call set_facl(), when called by a root process.
*/
if (getuid() != 0) {
polkit_cancellable = g_cancellable_new();
polkit_authority_check_authorization(
authority, subject, "org.spice-space.lowlevelusbaccess", NULL,
POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION,
polkit_cancellable,
(GAsyncReadyCallback)check_authorization_cb, NULL);
state = STATE_WAITING_FOR_POL_KIT;
} else {
fprintf(stdout, "SUCCESS\n");
fflush(stdout);
state = STATE_WAITING_FOR_STDIN_EOF;
}
g_data_input_stream_read_line_async(stdin_stream, G_PRIORITY_DEFAULT,
NULL, stdin_read_complete, NULL);
break;
default:
FATAL_ERROR("Unexpected extra input in state %u: %s\n", state, s);
}
g_free(s);
}
static void
gspeechd_client_read_line_cb (GInputStream *stream,
GAsyncResult *res,
gpointer user_data)
{
GSpeechdClient *client = user_data;
gchar *s, *response;
gsize len;
gboolean ret;
GError *error = NULL;
SsipCommand *cmd;
SsipStatus status;
/* read lines and removes newline */
s = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM(stream),
res,
&len,
&error);
if (error != NULL ) {
g_printf ("-->%s\n", error->message);
g_error_free (error);
return;
}
if (s == NULL) {
/* client has closed a connection */
g_printf ("-->connection closed\n");
return;
}
g_printf ("-->%s\n", s);
/* parse SSIP command */
cmd = ssip_command_new (s);
/* TODO remove history */
client->history = g_list_append (client->history, s);
/* process command */
switch (ssip_cmd_get (cmd)) {
case SSIP_CMD_SET:
switch (ssip_set_param_get (cmd)) {
case SSIP_SET_PARAM_CLIENT_NAME:
/* TODO free previous name before */
client->name = g_strdup (ssip_set_param_value_get (cmd));
/* TODO emit event to the server */
status = OK_CLIENT_NAME_SET;
break;
case SSIP_SET_PARAM_PRIORITY:
status = OK_PRIORITY_SET;
break;
default:
break;
}
break;
case SSIP_CMD_SPEAK:
status = OK_RECEIVE_DATA;
response = ssip_response (status);
ret = g_data_output_stream_put_string (client->output,
response,
client->cancellable,
NULL);
g_printf ("%d %s\n", ret, response);
g_data_input_stream_read_line_async(client->input,
G_PRIORITY_DEFAULT,
client->cancellable,
(GAsyncReadyCallback)gspeechd_client_read_speak_data_cb,
gspeechd_client_ref (client));
return;
case SSIP_CMD_HELP:
default:
break;
}
response = ssip_response (status);
ret = g_data_output_stream_put_string (client->output,
response,
client->cancellable,
NULL);
g_printf ("%d %s\n", ret, response);
/* when QUIT received, send an event connection_closed */
g_data_input_stream_read_line_async(client->input,
G_PRIORITY_DEFAULT,
client->cancellable,
(GAsyncReadyCallback)gspeechd_client_read_line_cb,
gspeechd_client_ref (client));
}
static gboolean do_receive_headers(MegaHttpClient* http_client, GCancellable* cancellable, GError** err)
{
GError* local_err = NULL;
gboolean got_content_length = FALSE;
gint line = 0;
g_return_val_if_fail(MEGA_IS_HTTP_CLIENT(http_client), FALSE);
g_return_val_if_fail(err == NULL || *err == NULL, FALSE);
MegaHttpClientPrivate* priv = http_client->priv;
g_hash_table_remove_all(priv->response_headers);
while (TRUE)
{
gchar* header = g_data_input_stream_read_line(G_DATA_INPUT_STREAM(priv->istream), NULL, cancellable, &local_err);
if (header == NULL)
{
g_set_error(err, MEGA_HTTP_CLIENT_ERROR, MEGA_HTTP_CLIENT_ERROR_CONNECTION_BROKEN, "Can't read response headers: %s", local_err ? local_err->message : "unknown error");
g_clear_error(&local_err);
goto err;
}
if (line == 0)
{
gint status;
gchar* message;
if (!parse_http_status(http_client, header, &status, &message))
{
g_set_error(err, MEGA_HTTP_CLIENT_ERROR, MEGA_HTTP_CLIENT_ERROR_OTHER, "Can't read response status: %s", header);
g_free(header);
goto err;
}
if (status != 200 && status != 201)
{
g_set_error(err, MEGA_HTTP_CLIENT_ERROR, MEGA_HTTP_CLIENT_ERROR_OTHER, "Server returned status %d: %s", status, message);
g_free(header);
g_free(message);
goto err;
}
g_free(message);
}
else
{
if (*header == '\0')
{
// end of header
g_free(header);
break;
}
else
{
gchar* colon = strchr(header, ':');
if (colon)
{
*colon = '\0';
gchar* name = g_strstrip(g_ascii_strdown(header, -1));
gchar* value = g_strstrip(g_strdup(colon + 1));
if (!strcmp(name, "content-length"))
{
priv->expected_read_count = atoi(value);
priv->response_length = priv->expected_read_count;
got_content_length = TRUE;
}
g_hash_table_insert(http_client->priv->response_headers, name, value);
}
else
{
g_set_error(err, MEGA_HTTP_CLIENT_ERROR, MEGA_HTTP_CLIENT_ERROR_OTHER, "Invalid response header: %s", header);
g_free(header);
goto err;
}
}
}
g_free(header);
line++;
}
if (!got_content_length)
{
g_set_error(err, MEGA_HTTP_CLIENT_ERROR, MEGA_HTTP_CLIENT_ERROR_OTHER, "We need content length from the server!");
goto err;
}
return TRUE;
err:
return FALSE;
}
gboolean
_g_dbus_auth_run_server (GDBusAuth *auth,
GDBusAuthObserver *observer,
const gchar *guid,
gboolean allow_anonymous,
GDBusCapabilityFlags offered_capabilities,
GDBusCapabilityFlags *out_negotiated_capabilities,
GCredentials **out_received_credentials,
GCancellable *cancellable,
GError **error)
{
gboolean ret;
ServerState state;
GDataInputStream *dis;
GDataOutputStream *dos;
GError *local_error;
guchar byte;
gchar *line;
gsize line_length;
GDBusAuthMechanism *mech;
gchar *s;
GDBusCapabilityFlags negotiated_capabilities;
GCredentials *credentials;
debug_print ("SERVER: initiating");
ret = FALSE;
dis = NULL;
dos = NULL;
mech = NULL;
negotiated_capabilities = 0;
credentials = NULL;
if (!g_dbus_is_guid (guid))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"The given guid `%s' is not valid",
guid);
goto out;
}
dis = G_DATA_INPUT_STREAM (g_data_input_stream_new (g_io_stream_get_input_stream (auth->priv->stream)));
dos = G_DATA_OUTPUT_STREAM (g_data_output_stream_new (g_io_stream_get_output_stream (auth->priv->stream)));
g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (dis), FALSE);
g_filter_output_stream_set_close_base_stream (G_FILTER_OUTPUT_STREAM (dos), FALSE);
g_data_input_stream_set_newline_type (dis, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
/* first read the NUL-byte (TODO: read credentials if using a unix domain socket) */
#ifdef G_OS_UNIX
if (G_IS_UNIX_CONNECTION (auth->priv->stream) && g_unix_credentials_message_is_supported ())
{
local_error = NULL;
credentials = g_unix_connection_receive_credentials (G_UNIX_CONNECTION (auth->priv->stream),
cancellable,
&local_error);
if (credentials == NULL)
{
g_propagate_error (error, local_error);
goto out;
}
}
else
{
local_error = NULL;
byte = g_data_input_stream_read_byte (dis, cancellable, &local_error);
if (local_error != NULL)
{
g_propagate_error (error, local_error);
goto out;
}
}
#else
local_error = NULL;
byte = g_data_input_stream_read_byte (dis, cancellable, &local_error);
if (local_error != NULL)
{
g_propagate_error (error, local_error);
goto out;
}
#endif
if (credentials != NULL)
{
if (G_UNLIKELY (_g_dbus_debug_authentication ()))
{
s = g_credentials_to_string (credentials);
debug_print ("SERVER: received credentials `%s'", s);
g_free (s);
}
}
else
{
debug_print ("SERVER: didn't receive any credentials");
}
state = SERVER_STATE_WAITING_FOR_AUTH;
while (TRUE)
{
switch (state)
{
case SERVER_STATE_WAITING_FOR_AUTH:
debug_print ("SERVER: WaitingForAuth");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
debug_print ("SERVER: WaitingForAuth, read `%s'", line);
if (line == NULL)
goto out;
if (g_strcmp0 (line, "AUTH") == 0)
{
s = get_auth_mechanisms (auth, allow_anonymous, "REJECTED ", "\r\n", " ");
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
g_free (line);
}
else if (g_str_has_prefix (line, "AUTH "))
{
gchar **tokens;
const gchar *encoded;
const gchar *mech_name;
GType auth_mech_to_use_gtype;
tokens = g_strsplit (line, " ", 0);
g_free (line);
switch (g_strv_length (tokens))
{
case 2:
/* no initial response */
mech_name = tokens[1];
encoded = NULL;
break;
case 3:
/* initial response */
mech_name = tokens[1];
encoded = tokens[2];
break;
default:
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Unexpected line `%s' while in WaitingForAuth state",
line);
g_strfreev (tokens);
goto out;
}
/* TODO: record that the client has attempted to use this mechanism */
//g_debug ("client is trying `%s'", mech_name);
auth_mech_to_use_gtype = find_mech_by_name (auth, mech_name);
if ((auth_mech_to_use_gtype == (GType) 0) ||
(!allow_anonymous && g_strcmp0 (mech_name, "ANONYMOUS") == 0))
{
/* We don't support this auth mechanism */
g_strfreev (tokens);
s = get_auth_mechanisms (auth, allow_anonymous, "REJECTED ", "\r\n", " ");
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
/* stay in WAITING FOR AUTH */
state = SERVER_STATE_WAITING_FOR_AUTH;
}
else
{
gchar *initial_response;
gsize initial_response_len;
mech = g_object_new (auth_mech_to_use_gtype,
"stream", auth->priv->stream,
"credentials", credentials,
NULL);
initial_response = NULL;
initial_response_len = 0;
if (encoded != NULL)
{
initial_response = hexdecode (encoded, &initial_response_len, error);
if (initial_response == NULL)
{
g_prefix_error (error, "Initial response is malformed: ");
/* invalid encoding, disconnect! */
g_strfreev (tokens);
goto out;
}
}
_g_dbus_auth_mechanism_server_initiate (mech,
initial_response,
initial_response_len);
g_free (initial_response);
g_strfreev (tokens);
change_state:
switch (_g_dbus_auth_mechanism_server_get_state (mech))
{
case G_DBUS_AUTH_MECHANISM_STATE_ACCEPTED:
if (observer != NULL &&
!g_dbus_auth_observer_authorize_authenticated_peer (observer,
auth->priv->stream,
credentials))
{
/* disconnect */
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
_("Cancelled via GDBusAuthObserver::authorize-authenticated-peer"));
goto out;
}
else
{
s = g_strdup_printf ("OK %s\r\n", guid);
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
state = SERVER_STATE_WAITING_FOR_BEGIN;
}
break;
case G_DBUS_AUTH_MECHANISM_STATE_REJECTED:
s = get_auth_mechanisms (auth, allow_anonymous, "REJECTED ", "\r\n", " ");
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
state = SERVER_STATE_WAITING_FOR_AUTH;
break;
case G_DBUS_AUTH_MECHANISM_STATE_WAITING_FOR_DATA:
state = SERVER_STATE_WAITING_FOR_DATA;
break;
case G_DBUS_AUTH_MECHANISM_STATE_HAVE_DATA_TO_SEND:
{
gchar *data;
gsize data_len;
gchar *encoded_data;
data = _g_dbus_auth_mechanism_server_data_send (mech, &data_len);
encoded_data = hexencode (data);
s = g_strdup_printf ("DATA %s\r\n", encoded_data);
g_free (encoded_data);
g_free (data);
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
}
goto change_state;
break;
default:
/* TODO */
g_assert_not_reached ();
break;
}
}
}
else
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Unexpected line `%s' while in WaitingForAuth state",
line);
g_free (line);
goto out;
}
break;
case SERVER_STATE_WAITING_FOR_DATA:
debug_print ("SERVER: WaitingForData");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
debug_print ("SERVER: WaitingForData, read `%s'", line);
if (line == NULL)
goto out;
if (g_str_has_prefix (line, "DATA "))
{
gchar *encoded;
gchar *decoded_data;
gsize decoded_data_len;
encoded = g_strdup (line + 5);
g_free (line);
g_strstrip (encoded);
decoded_data = hexdecode (encoded, &decoded_data_len, error);
g_free (encoded);
if (decoded_data == NULL)
{
g_prefix_error (error, "DATA response is malformed: ");
/* invalid encoding, disconnect! */
goto out;
}
_g_dbus_auth_mechanism_server_data_receive (mech, decoded_data, decoded_data_len);
g_free (decoded_data);
/* oh man, this goto-crap is so ugly.. really need to rewrite the state machine */
goto change_state;
}
else
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Unexpected line `%s' while in WaitingForData state",
line);
g_free (line);
}
goto out;
case SERVER_STATE_WAITING_FOR_BEGIN:
debug_print ("SERVER: WaitingForBegin");
/* Use extremely slow (but reliable) line reader - this basically
* does a recvfrom() system call per character
*
* (the problem with using GDataInputStream's read_line is that because of
* buffering it might start reading into the first D-Bus message that
* appears after "BEGIN\r\n"....)
*/
line = _my_g_input_stream_read_line_safe (g_io_stream_get_input_stream (auth->priv->stream),
&line_length,
cancellable,
error);
debug_print ("SERVER: WaitingForBegin, read `%s'", line);
if (line == NULL)
goto out;
if (g_strcmp0 (line, "BEGIN") == 0)
{
/* YAY, done! */
ret = TRUE;
g_free (line);
goto out;
}
else if (g_strcmp0 (line, "NEGOTIATE_UNIX_FD") == 0)
{
g_free (line);
if (offered_capabilities & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING)
{
negotiated_capabilities |= G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING;
s = "AGREE_UNIX_FD\r\n";
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
}
else
{
s = "ERROR \"fd passing not offered\"\r\n";
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
}
}
else
{
g_debug ("Unexpected line `%s' while in WaitingForBegin state", line);
g_free (line);
s = "ERROR \"Unknown Command\"\r\n";
debug_print ("SERVER: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
}
break;
default:
g_assert_not_reached ();
break;
}
}
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Not implemented (server)");
out:
if (mech != NULL)
g_object_unref (mech);
if (dis != NULL)
g_object_unref (dis);
if (dos != NULL)
g_object_unref (dos);
/* ensure return value is FALSE if error is set */
if (error != NULL && *error != NULL)
{
ret = FALSE;
}
if (ret)
{
if (out_negotiated_capabilities != NULL)
*out_negotiated_capabilities = negotiated_capabilities;
if (out_received_credentials != NULL)
*out_received_credentials = credentials != NULL ? g_object_ref (credentials) : NULL;
}
if (credentials != NULL)
g_object_unref (credentials);
debug_print ("SERVER: Done, authenticated=%d", ret);
return ret;
}
gchar *
_g_dbus_auth_run_client (GDBusAuth *auth,
GDBusCapabilityFlags offered_capabilities,
GDBusCapabilityFlags *out_negotiated_capabilities,
GCancellable *cancellable,
GError **error)
{
gchar *s;
GDataInputStream *dis;
GDataOutputStream *dos;
GCredentials *credentials;
gchar *ret_guid;
gchar *line;
gsize line_length;
gchar **supported_auth_mechs;
GPtrArray *attempted_auth_mechs;
GDBusAuthMechanism *mech;
ClientState state;
GDBusCapabilityFlags negotiated_capabilities;
debug_print ("CLIENT: initiating");
ret_guid = NULL;
supported_auth_mechs = NULL;
attempted_auth_mechs = g_ptr_array_new ();
mech = NULL;
negotiated_capabilities = 0;
credentials = NULL;
dis = G_DATA_INPUT_STREAM (g_data_input_stream_new (g_io_stream_get_input_stream (auth->priv->stream)));
dos = G_DATA_OUTPUT_STREAM (g_data_output_stream_new (g_io_stream_get_output_stream (auth->priv->stream)));
g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (dis), FALSE);
g_filter_output_stream_set_close_base_stream (G_FILTER_OUTPUT_STREAM (dos), FALSE);
g_data_input_stream_set_newline_type (dis, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
#ifdef G_OS_UNIX
if (G_IS_UNIX_CONNECTION (auth->priv->stream) && g_unix_credentials_message_is_supported ())
{
credentials = g_credentials_new ();
if (!g_unix_connection_send_credentials (G_UNIX_CONNECTION (auth->priv->stream),
cancellable,
error))
goto out;
}
else
{
if (!g_data_output_stream_put_byte (dos, '\0', cancellable, error))
goto out;
}
#else
if (!g_data_output_stream_put_byte (dos, '\0', cancellable, error))
goto out;
#endif
if (credentials != NULL)
{
if (G_UNLIKELY (_g_dbus_debug_authentication ()))
{
s = g_credentials_to_string (credentials);
debug_print ("CLIENT: sent credentials `%s'", s);
g_free (s);
}
}
else
{
debug_print ("CLIENT: didn't send any credentials");
}
/* TODO: to reduce roundtrips, try to pick an auth mechanism to start with */
/* Get list of supported authentication mechanisms */
s = "AUTH\r\n";
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
state = CLIENT_STATE_WAITING_FOR_REJECT;
while (TRUE)
{
switch (state)
{
case CLIENT_STATE_WAITING_FOR_REJECT:
debug_print ("CLIENT: WaitingForReject");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
if (line == NULL)
goto out;
debug_print ("CLIENT: WaitingForReject, read '%s'", line);
foobar:
if (!g_str_has_prefix (line, "REJECTED "))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"In WaitingForReject: Expected `REJECTED am1 am2 ... amN', got `%s'",
line);
g_free (line);
goto out;
}
if (supported_auth_mechs == NULL)
{
supported_auth_mechs = g_strsplit (line + sizeof ("REJECTED ") - 1, " ", 0);
#if 0
for (n = 0; supported_auth_mechs != NULL && supported_auth_mechs[n] != NULL; n++)
g_printerr ("supported_auth_mechs[%d] = `%s'\n", n, supported_auth_mechs[n]);
#endif
}
g_free (line);
mech = client_choose_mech_and_send_initial_response (auth,
credentials,
(const gchar* const *) supported_auth_mechs,
attempted_auth_mechs,
dos,
cancellable,
error);
if (mech == NULL)
goto out;
if (_g_dbus_auth_mechanism_client_get_state (mech) == G_DBUS_AUTH_MECHANISM_STATE_WAITING_FOR_DATA)
state = CLIENT_STATE_WAITING_FOR_DATA;
else
state = CLIENT_STATE_WAITING_FOR_OK;
break;
case CLIENT_STATE_WAITING_FOR_OK:
debug_print ("CLIENT: WaitingForOK");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
if (line == NULL)
goto out;
debug_print ("CLIENT: WaitingForOK, read `%s'", line);
if (g_str_has_prefix (line, "OK "))
{
if (!g_dbus_is_guid (line + 3))
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"Invalid OK response `%s'",
line);
g_free (line);
goto out;
}
ret_guid = g_strdup (line + 3);
g_free (line);
if (offered_capabilities & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING)
{
s = "NEGOTIATE_UNIX_FD\r\n";
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
state = CLIENT_STATE_WAITING_FOR_AGREE_UNIX_FD;
}
else
{
s = "BEGIN\r\n";
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
/* and we're done! */
goto out;
}
}
else if (g_str_has_prefix (line, "REJECTED "))
{
goto foobar;
}
else
{
/* TODO: handle other valid responses */
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"In WaitingForOk: unexpected response `%s'",
line);
g_free (line);
goto out;
}
break;
case CLIENT_STATE_WAITING_FOR_AGREE_UNIX_FD:
debug_print ("CLIENT: WaitingForAgreeUnixFD");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
if (line == NULL)
goto out;
debug_print ("CLIENT: WaitingForAgreeUnixFD, read=`%s'", line);
if (g_strcmp0 (line, "AGREE_UNIX_FD") == 0)
{
g_free (line);
negotiated_capabilities |= G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING;
s = "BEGIN\r\n";
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
/* and we're done! */
goto out;
}
else if (g_str_has_prefix (line, "ERROR") && (line[5] == 0 || g_ascii_isspace (line[5])))
{
//g_strstrip (line + 5); g_debug ("bah, no unix_fd: `%s'", line + 5);
g_free (line);
s = "BEGIN\r\n";
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
goto out;
/* and we're done! */
goto out;
}
else
{
/* TODO: handle other valid responses */
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"In WaitingForAgreeUnixFd: unexpected response `%s'",
line);
g_free (line);
goto out;
}
break;
case CLIENT_STATE_WAITING_FOR_DATA:
debug_print ("CLIENT: WaitingForData");
line = _my_g_data_input_stream_read_line (dis, &line_length, cancellable, error);
if (line == NULL)
goto out;
debug_print ("CLIENT: WaitingForData, read=`%s'", line);
if (g_str_has_prefix (line, "DATA "))
{
gchar *encoded;
gchar *decoded_data;
gsize decoded_data_len;
encoded = g_strdup (line + 5);
g_free (line);
g_strstrip (encoded);
decoded_data = hexdecode (encoded, &decoded_data_len, error);
g_free (encoded);
if (decoded_data == NULL)
{
g_prefix_error (error, "DATA response is malformed: ");
/* invalid encoding, disconnect! */
goto out;
}
_g_dbus_auth_mechanism_client_data_receive (mech, decoded_data, decoded_data_len);
g_free (decoded_data);
if (_g_dbus_auth_mechanism_client_get_state (mech) == G_DBUS_AUTH_MECHANISM_STATE_HAVE_DATA_TO_SEND)
{
gchar *data;
gsize data_len;
gchar *encoded_data;
data = _g_dbus_auth_mechanism_client_data_send (mech, &data_len);
encoded_data = hexencode (data);
s = g_strdup_printf ("DATA %s\r\n", encoded_data);
g_free (encoded_data);
g_free (data);
debug_print ("CLIENT: writing `%s'", s);
if (!g_data_output_stream_put_string (dos, s, cancellable, error))
{
g_free (s);
goto out;
}
g_free (s);
}
state = CLIENT_STATE_WAITING_FOR_OK;
}
else
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"In WaitingForData: unexpected response `%s'",
line);
g_free (line);
goto out;
}
break;
default:
g_assert_not_reached ();
break;
}
}; /* main authentication client loop */
out:
if (mech != NULL)
g_object_unref (mech);
g_ptr_array_unref (attempted_auth_mechs);
g_strfreev (supported_auth_mechs);
g_object_unref (dis);
g_object_unref (dos);
/* ensure return value is NULL if error is set */
if (error != NULL && *error != NULL)
{
g_free (ret_guid);
ret_guid = NULL;
}
if (ret_guid != NULL)
{
if (out_negotiated_capabilities != NULL)
*out_negotiated_capabilities = negotiated_capabilities;
}
if (credentials != NULL)
g_object_unref (credentials);
debug_print ("CLIENT: Done, authenticated=%d", ret_guid != NULL);
return ret_guid;
}
