static CockpitChannelResponse *
cockpit_channel_response_create (CockpitWebService *service,
CockpitWebResponse *response,
CockpitTransport *transport,
const gchar *logname,
GHashTable *headers,
JsonObject *open)
{
CockpitChannelResponse *chesp;
const gchar *payload;
JsonObject *done;
GBytes *bytes;
payload = json_object_get_string_member (open, "payload");
chesp = g_new0 (CockpitChannelResponse, 1);
chesp->response = g_object_ref (response);
chesp->transport = g_object_ref (transport);
chesp->headers = g_hash_table_ref (headers);
chesp->channel = cockpit_web_service_unique_channel (service);
chesp->open = json_object_ref (open);
if (!cockpit_json_get_string (open, "path", chesp->channel, &chesp->logname))
chesp->logname = chesp->channel;
json_object_set_string_member (open, "command", "open");
json_object_set_string_member (open, "channel", chesp->channel);
/* Special handling for http-stream1, splice in headers, handle injection */
if (g_strcmp0 (payload, "http-stream1") == 0)
chesp->transport_recv = g_signal_connect (transport, "recv", G_CALLBACK (on_httpstream_recv), chesp);
else
chesp->transport_recv = g_signal_connect (transport, "recv", G_CALLBACK (on_transport_recv), chesp);
/* Special handling for http-stream2, splice in headers, handle injection */
if (g_strcmp0 (payload, "http-stream2") == 0)
chesp->transport_control = g_signal_connect (transport, "control", G_CALLBACK (on_httpstream_control), chesp);
else
chesp->transport_control = g_signal_connect (transport, "control", G_CALLBACK (on_transport_control), chesp);
chesp->transport_closed = g_signal_connect (transport, "closed", G_CALLBACK (on_transport_closed), chesp);
bytes = cockpit_json_write_bytes (chesp->open);
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
done = cockpit_transport_build_json ("command", "done", "channel", chesp->channel, NULL);
bytes = cockpit_json_write_bytes (done);
json_object_unref (done);
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
return chesp;
}
/**
* cockpit_channel_control:
* @self: the channel
* @command: the control command
* @options: optional control message or NULL
*
* Send a control message to the other side.
*
* If @options is not NULL, then it may be modified by this code.
*
* With @command of "done" will send an EOF to the other side. This
* should only be called once. Whether an EOF should be sent or not
* depends on the payload type.
*/
void
cockpit_channel_control (CockpitChannel *self,
const gchar *command,
JsonObject *options)
{
JsonObject *object;
GBytes *message;
g_return_if_fail (COCKPIT_IS_CHANNEL (self));
g_return_if_fail (command != NULL);
if (g_str_equal (command, "done"))
{
g_return_if_fail (self->priv->sent_done == FALSE);
self->priv->sent_done = TRUE;
}
if (options)
object = json_object_ref (options);
else
object = json_object_new ();
json_object_set_string_member (object, "command", command);
json_object_set_string_member (object, "channel", self->priv->id);
message = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (self->priv->transport, NULL, message);
g_bytes_unref (message);
}
static void
send_init_command (CockpitTransport *transport)
{
const gchar *checksum;
const gchar *name;
JsonObject *object;
GBytes *bytes;
object = json_object_new ();
json_object_set_string_member (object, "command", "init");
json_object_set_int_member (object, "version", 1);
checksum = cockpit_packages_get_checksum (packages);
if (checksum)
json_object_set_string_member (object, "checksum", checksum);
/* Happens when we're in --interact mode */
name = cockpit_dbus_internal_name ();
if (name)
json_object_set_string_member (object, "bridge-dbus-name", name);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
}
static void
on_helper_read (CockpitPipe *pipe,
GByteArray *buffer,
gboolean eof,
gpointer user_data)
{
ReauthorizeCaller *caller = user_data;
JsonObject *object;
GBytes *bytes;
guint8 *lf;
lf = memchr (buffer->data, '\n', buffer->len);
if (!lf)
return;
/* Null terminate the challenge */
*lf = 0;
g_debug ("got challenge from helper, will send to cockpit-ws: %s", (gchar *)buffer->data);
/* send an authorize packet here */
object = json_object_new ();
json_object_set_string_member (object, "command", "authorize");
json_object_set_string_member (object, "cookie", caller->cookie);
json_object_set_string_member (object, "challenge", (gchar *)buffer->data);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
/* Consume from buffer, including null termination */
cockpit_pipe_skip (buffer, lf - buffer->data);
cockpit_transport_send (caller->self->transport, NULL, bytes);
g_bytes_unref (bytes);
}
static GBytes *
build_environment (GHashTable *os_release)
{
/*
* We don't include entirety of os-release into the
* environment for the login.html page. There could
* be unexpected things in here.
*
* However since we are displaying branding based on
* the OS name variant flavor and version, including
* the corresponding information is not a leak.
*/
static const gchar *release_fields[] = {
"NAME", "ID", "PRETTY_NAME", "VARIANT", "VARIANT_ID", "CPE_NAME",
};
static const gchar *prefix = "\n <script>\nvar environment = ";
static const gchar *suffix = ";\n </script>";
GByteArray *buffer;
GBytes *bytes;
JsonObject *object;
const gchar *value;
gchar *hostname;
JsonObject *osr;
gint i;
object = json_object_new ();
add_page_to_environment (object);
hostname = g_malloc0 (HOST_NAME_MAX + 1);
gethostname (hostname, HOST_NAME_MAX);
hostname[HOST_NAME_MAX] = '\0';
json_object_set_string_member (object, "hostname", hostname);
g_free (hostname);
if (os_release)
{
osr = json_object_new ();
for (i = 0; i < G_N_ELEMENTS (release_fields); i++)
{
value = g_hash_table_lookup (os_release, release_fields[i]);
if (value)
json_object_set_string_member (osr, release_fields[i], value);
}
json_object_set_object_member (object, "os-release", osr);
}
add_oauth_to_environment (object);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
buffer = g_bytes_unref_to_array (bytes);
g_byte_array_prepend (buffer, (const guint8 *)prefix, strlen (prefix));
g_byte_array_append (buffer, (const guint8 *)suffix, strlen (suffix));
return g_byte_array_free_to_bytes (buffer);
}
static void
process_open (CockpitRouter *self,
CockpitTransport *transport,
const gchar *channel,
JsonObject *options,
GBytes *data)
{
GList *l;
GBytes *new_payload = NULL;
if (!channel)
{
g_warning ("Caller tried to open channel with invalid id");
cockpit_transport_close (transport, "protocol-error");
}
/* Check that this isn't a local channel */
else if (g_hash_table_lookup (self->channels, channel))
{
g_warning ("%s: caller tried to reuse a channel that's already in use", channel);
cockpit_transport_close (self->transport, "protocol-error");
return;
}
/* Request that this channel is frozen, and requeue its open message for later */
else if (g_hash_table_size (self->fences) > 0 && !g_hash_table_lookup (self->fences, channel))
{
if (!self->fenced)
self->fenced = g_queue_new ();
g_queue_push_tail (self->fenced, g_strdup (channel));
cockpit_transport_freeze (self->transport, channel);
cockpit_transport_emit_control (self->transport, "open", channel, options, data);
}
else if (!cockpit_router_normalize_host (self, options))
{
g_warning ("%s: caller specified invalid 'host' field in open message", channel);
process_open_not_supported (self, channel, options, data, NULL);
}
/* Now go throgh the rules */
else
{
cockpit_router_normalize_host_params (options);
new_payload = cockpit_json_write_bytes (options);
for (l = self->rules; l != NULL; l = g_list_next (l))
{
if (router_rule_match (l->data, options) &&
router_rule_invoke (l->data, self, channel, options, new_payload))
{
break;
}
}
}
if (new_payload)
g_bytes_unref (new_payload);
}
/**
* cockpit_channel_control:
* @self: the channel
* @command: the control command
* @options: optional control message or NULL
*
* Send a control message to the other side.
*
* If @options is not NULL, then it may be modified by this code.
*
* With @command of "done" will send an EOF to the other side. This
* should only be called once. Whether an EOF should be sent or not
* depends on the payload type.
*/
void
cockpit_channel_control (CockpitChannel *self,
const gchar *command,
JsonObject *options)
{
JsonObject *object;
GBytes *message;
const gchar *problem;
gchar *problem_copy = NULL;
g_return_if_fail (COCKPIT_IS_CHANNEL (self));
g_return_if_fail (command != NULL);
if (g_str_equal (command, "done"))
{
g_return_if_fail (self->priv->sent_done == FALSE);
self->priv->sent_done = TRUE;
}
/* If closing save the close options
* and let close send the message */
else if (g_str_equal (command, "close"))
{
if (!self->priv->close_options)
{
/* Ref for close_options, freed in parent */
self->priv->close_options = json_object_ref (options);
}
if (!cockpit_json_get_string (options, "problem", NULL, &problem))
problem = NULL;
/* Use a problem copy so it out lasts the value in close_options */
problem_copy = g_strdup (problem);
cockpit_channel_close (self, problem_copy);
goto out;
}
if (options)
object = json_object_ref (options);
else
object = json_object_new ();
json_object_set_string_member (object, "command", command);
json_object_set_string_member (object, "channel", self->priv->id);
message = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (self->priv->transport, NULL, message);
g_bytes_unref (message);
out:
g_free (problem_copy);
}
static void
send_login_response (CockpitWebResponse *response,
JsonObject *object,
GHashTable *headers)
{
GBytes *content;
content = cockpit_json_write_bytes (object);
g_hash_table_replace (headers, g_strdup ("Content-Type"), g_strdup ("application/json"));
cockpit_web_response_content (response, headers, content, NULL);
g_bytes_unref (content);
}
static void
send_init_command (CockpitTransport *transport)
{
JsonObject *object;
GBytes *bytes;
object = json_object_new ();
json_object_set_string_member (object, "command", "init");
json_object_set_int_member (object, "version", 1);
bytes = cockpit_json_write_bytes (object);
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
}
void
cockpit_fswatch_emit_event (CockpitChannel *channel,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type)
{
JsonObject *msg;
GBytes *msg_bytes;
msg = json_object_new ();
json_object_set_string_member (msg, "event", event_type_to_string (event_type));
if (file)
{
char *p = g_file_get_path (file);
char *t = cockpit_get_file_tag (p);
json_object_set_string_member (msg, "path", p);
json_object_set_string_member (msg, "tag", t);
if (event_type == G_FILE_MONITOR_EVENT_CREATED)
{
GError *error = NULL;
GFileInfo *info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_TYPE,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, &error);
if (info)
{
json_object_set_string_member
(msg, "type", cockpit_file_type_to_string (g_file_info_get_file_type (info)));
g_object_unref (info);
}
g_clear_error (&error);
}
g_free (p);
g_free (t);
}
if (other_file)
{
char *p = g_file_get_path (other_file);
json_object_set_string_member (msg, "other", p);
g_free (p);
}
msg_bytes = cockpit_json_write_bytes (msg);
json_object_unref (msg);
cockpit_channel_send (channel, msg_bytes, TRUE);
g_bytes_unref (msg_bytes);
}
static void
on_login_complete (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
CockpitWebResponse *response = user_data;
GError *error = NULL;
JsonObject *response_data = NULL;
GHashTable *headers;
GIOStream *io_stream;
GBytes *content;
io_stream = cockpit_web_response_get_stream (response);
headers = cockpit_web_server_new_table ();
response_data = cockpit_auth_login_finish (COCKPIT_AUTH (object), result,
io_stream, headers, &error);
/* Never cache a login response */
cockpit_web_response_set_cache_type (response, COCKPIT_WEB_RESPONSE_NO_CACHE);
if (error)
{
if (response_data)
{
g_hash_table_insert (headers, g_strdup ("Content-Type"), g_strdup ("application/json"));
content = cockpit_json_write_bytes (response_data);
cockpit_web_response_headers_full (response, 401, "Authentication required", -1, headers);
cockpit_web_response_queue (response, content);
cockpit_web_response_complete (response);
g_bytes_unref (content);
}
else
{
cockpit_web_response_gerror (response, headers, error);
}
g_error_free (error);
}
else
{
send_login_response (response, response_data, headers);
}
if (response_data)
json_object_unref (response_data);
g_hash_table_unref (headers);
g_object_unref (response);
}
static gboolean
process_ping (CockpitWebService *self,
CockpitSocket *socket,
JsonObject *options)
{
GBytes *payload;
/* Respond to a ping without a channel, by saying "pong" */
json_object_set_string_member (options, "command", "pong");
payload = cockpit_json_write_bytes (options);
if (web_socket_connection_get_ready_state (socket->connection) == WEB_SOCKET_STATE_OPEN)
web_socket_connection_send (socket->connection, WEB_SOCKET_DATA_TEXT, self->control_prefix, payload);
g_bytes_unref (payload);
return TRUE;
}
static void
on_socket_open (WebSocketConnection *connection,
CockpitChannelSocket *chock)
{
GBytes *payload;
/*
* Actually open the channel. We wait until the WebSocket is open
* before doing this, so we don't receive messages from the bridge
* before the websocket is open.
*/
payload = cockpit_json_write_bytes (chock->open);
cockpit_transport_send (chock->transport, NULL, payload);
g_bytes_unref (payload);
}
static void
on_web_socket_open (WebSocketConnection *connection,
CockpitWebService *self)
{
CockpitSocket *socket;
JsonArray *capabilities;
GBytes *command;
JsonObject *object;
JsonObject *info;
g_info ("New connection to session from %s", cockpit_creds_get_rhost (self->creds));
socket = cockpit_socket_lookup_by_connection (&self->sockets, connection);
g_return_if_fail (socket != NULL);
object = json_object_new ();
json_object_set_string_member (object, "command", "init");
json_object_set_int_member (object, "version", 1);
json_object_set_string_member (object, "channel-seed", socket->id);
json_object_set_string_member (object, "host", "localhost");
json_object_set_string_member (object, "csrf-token", cockpit_creds_get_csrf_token (self->creds));
capabilities = json_array_new ();
json_array_add_string_element (capabilities, "multi");
json_array_add_string_element (capabilities, "credentials");
json_array_add_string_element (capabilities, "binary");
json_object_set_array_member (object, "capabilities", capabilities);
info = json_object_new ();
json_object_set_string_member (info, "version", PACKAGE_VERSION);
json_object_set_string_member (info, "build", COCKPIT_BUILD_INFO);
json_object_set_object_member (object, "system", info);
command = cockpit_json_write_bytes (object);
json_object_unref (object);
web_socket_connection_send (connection, WEB_SOCKET_DATA_TEXT, self->control_prefix, command);
g_bytes_unref (command);
/* Do we have an authorize password? if so tell the frontend */
if (cockpit_creds_get_password (self->creds))
send_socket_hints (self, "credential", "password");
g_signal_connect (connection, "message",
G_CALLBACK (on_web_socket_message), self);
}
static GBytes *
build_environment (GHashTable *os_release)
{
static const gchar *prefix = "\n <script>\nvar environment = ";
static const gchar *suffix = ";\n </script>";
GByteArray *buffer;
GHashTableIter iter;
GBytes *bytes;
JsonObject *object;
const gchar *title;
gchar *hostname;
gpointer key, value;
JsonObject *osr;
object = json_object_new ();
title = cockpit_conf_string ("WebService", "LoginTitle");
if (title)
json_object_set_string_member (object, "title", title);
hostname = g_malloc0 (HOST_NAME_MAX + 1);
gethostname (hostname, HOST_NAME_MAX);
hostname[HOST_NAME_MAX] = '\0';
json_object_set_string_member (object, "hostname", hostname);
g_free (hostname);
if (os_release)
{
osr = json_object_new ();
g_hash_table_iter_init (&iter, os_release);
while (g_hash_table_iter_next (&iter, &key, &value))
json_object_set_string_member (osr, key, value);
json_object_set_object_member (object, "os-release", osr);
}
add_oauth_to_environment (object);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
buffer = g_bytes_unref_to_array (bytes);
g_byte_array_prepend (buffer, (const guint8 *)prefix, strlen (prefix));
g_byte_array_append (buffer, (const guint8 *)suffix, strlen (suffix));
return g_byte_array_free_to_bytes (buffer);
}
static void
send_login_response (CockpitWebResponse *response,
CockpitCreds *creds,
GHashTable *headers)
{
JsonObject *object;
GBytes *content;
object = json_object_new ();
json_object_set_string_member (object, "user", cockpit_creds_get_user (creds));
content = cockpit_json_write_bytes (object);
json_object_unref (object);
g_hash_table_replace (headers, g_strdup ("Content-Type"), g_strdup ("application/json"));
cockpit_web_response_content (response, headers, content, NULL);
g_bytes_unref (content);
}
static gboolean
process_and_relay_open (CockpitWebService *self,
CockpitSocket *socket,
const gchar *channel,
JsonObject *options)
{
WebSocketDataType data_type = WEB_SOCKET_DATA_TEXT;
GBytes *payload;
if (self->closing)
{
g_debug ("Ignoring open command while web socket is closing");
return TRUE;
}
if (channel == NULL)
{
g_warning ("open command is missing the 'channel' field");
return FALSE;
}
if (cockpit_socket_lookup_by_channel (&self->sockets, channel))
{
g_warning ("cannot open a channel %s with the same id as another channel", channel);
return FALSE;
}
if (!cockpit_web_service_parse_binary (options, &data_type))
return FALSE;
if (socket)
cockpit_socket_add_channel (&self->sockets, socket, channel, data_type);
if (!self->sent_done)
{
payload = cockpit_json_write_bytes (options);
cockpit_transport_send (self->transport, NULL, payload);
g_bytes_unref (payload);
}
return TRUE;
}
static const gchar *
process_transport_init (CockpitWebService *self,
CockpitTransport *transport,
JsonObject *options)
{
JsonObject *object;
GBytes *payload;
gint64 version;
if (!cockpit_json_get_int (options, "version", -1, &version))
{
g_warning ("invalid version field in init message");
return "protocol-error";
}
if (version == 1)
{
g_debug ("received init message");
self->init_received = TRUE;
g_object_set_data_full (G_OBJECT (transport), "init",
json_object_ref (options),
(GDestroyNotify) json_object_unref);
/* Always send an init message down the new transport */
object = cockpit_transport_build_json ("command", "init", NULL);
json_object_set_int_member (object, "version", 1);
json_object_set_string_member (object, "host", "localhost");
payload = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (transport, NULL, payload);
g_bytes_unref (payload);
}
else
{
g_message ("unsupported version of cockpit protocol: %" G_GINT64_FORMAT, version);
return "not-supported";
}
g_signal_emit (self, sig_transport_init, 0);
return NULL;
}
static void
send_init_command (CockpitTransport *transport)
{
const gchar *checksum;
JsonObject *object;
GBytes *bytes;
object = json_object_new ();
json_object_set_string_member (object, "command", "init");
json_object_set_int_member (object, "version", 1);
checksum = cockpit_packages_get_checksum (packages);
if (checksum)
json_object_set_string_member (object, "checksum", checksum);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
}
/**
* cockpit_channel_done:
* @self: the channel
*
* Send an EOF to the other side. This should only be called once.
* Whether an EOF should be sent or not depends on the payload type.
*/
void
cockpit_channel_done (CockpitChannel *self)
{
JsonObject *object;
GBytes *message;
g_return_if_fail (COCKPIT_IS_CHANNEL (self));
g_return_if_fail (self->priv->sent_done == FALSE);
self->priv->sent_done = TRUE;
object = json_object_new ();
json_object_set_string_member (object, "command", "done");
json_object_set_string_member (object, "channel", self->priv->id);
message = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (self->priv->transport, NULL, message);
g_bytes_unref (message);
}
static void
cockpit_channel_real_close (CockpitChannel *self,
const gchar *problem)
{
JsonObject *object;
GBytes *message;
if (self->priv->sent_close)
return;
self->priv->sent_close = TRUE;
if (!self->priv->transport_closed)
{
flush_buffer (self);
if (self->priv->close_options)
{
object = self->priv->close_options;
self->priv->close_options = NULL;
}
else
{
object = json_object_new ();
}
json_object_set_string_member (object, "command", "close");
json_object_set_string_member (object, "channel", self->priv->id);
if (problem)
json_object_set_string_member (object, "problem", problem);
message = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (self->priv->transport, NULL, message);
g_bytes_unref (message);
}
g_signal_emit (self, cockpit_channel_sig_closed, 0, problem);
}
static gboolean
process_ping (CockpitChannel *self,
JsonObject *ping)
{
GBytes *payload;
if (self->priv->throttled)
{
g_debug ("%s: received ping while throttled", self->priv->id);
g_queue_push_tail (self->priv->throttled, json_object_ref (ping));
return FALSE;
}
else
{
g_debug ("%s: replying to ping with pong", self->priv->id);
json_object_set_string_member (ping, "command", "pong");
payload = cockpit_json_write_bytes (ping);
cockpit_transport_send (self->priv->transport, NULL, payload);
g_bytes_unref (payload);
return TRUE;
}
}
static void
send_close_channel (CockpitPortal *self,
const gchar *channel_id,
const gchar *problem)
{
JsonObject *object;
GBytes *bytes;
g_debug ("sending close for portal channel: %s: %s", channel_id, problem);
object = json_object_new ();
json_object_set_string_member (object, "command", "close");
json_object_set_string_member (object, "channel", channel_id);
json_object_set_string_member (object, "problem", problem);
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
if (self->transport)
cockpit_transport_send (self->transport, NULL, bytes);
g_bytes_unref (bytes);
}
static void
cockpit_channel_real_close (CockpitChannel *self,
const gchar *problem)
{
const gchar *reason = problem;
JsonObject *object;
GBytes *message;
if (self->priv->closed)
return;
self->priv->closed = TRUE;
if (reason == NULL)
reason = "";
if (self->priv->close_options)
{
object = self->priv->close_options;
self->priv->close_options = NULL;
}
else
{
object = json_object_new ();
}
json_object_set_string_member (object, "command", "close");
json_object_set_string_member (object, "channel", self->priv->id);
json_object_set_string_member (object, "reason", reason);
message = cockpit_json_write_bytes (object);
json_object_unref (object);
cockpit_transport_send (self->priv->transport, 0, message);
g_bytes_unref (message);
g_signal_emit (self, cockpit_channel_sig_closed, 0, problem);
}
static GBytes *
substitute_environment (const gchar *variable,
gpointer user_data)
{
GHashTable *os_release = user_data;
GHashTableIter iter;
GBytes *ret = NULL;
JsonObject *object;
gchar *hostname;
gpointer key, value;
JsonObject *osr;
if (g_str_equal (variable, "environment"))
{
object = json_object_new ();
hostname = g_malloc0 (HOST_NAME_MAX + 1);
gethostname (hostname, HOST_NAME_MAX);
hostname[HOST_NAME_MAX] = '\0';
json_object_set_string_member (object, "hostname", hostname);
g_free (hostname);
if (os_release)
{
osr = json_object_new ();
g_hash_table_iter_init (&iter, os_release);
while (g_hash_table_iter_next (&iter, &key, &value))
json_object_set_string_member (osr, key, value);
json_object_set_object_member (object, "os-release", osr);
}
ret = cockpit_json_write_bytes (object);
json_object_unref (object);
}
return ret;
}
static void
send_init_command (CockpitTransport *transport,
gboolean interactive)
{
const gchar *checksum;
JsonObject *object;
GBytes *bytes;
object = json_object_new ();
json_object_set_string_member (object, "command", "init");
json_object_set_int_member (object, "version", 1);
/*
* When in interactive mode pretend we received an init
* message, and don't print one out.
*/
if (interactive)
{
json_object_set_string_member (object, "host", "localhost");
}
else
{
checksum = cockpit_packages_get_checksum (packages);
if (checksum)
json_object_set_string_member (object, "checksum", checksum);
}
bytes = cockpit_json_write_bytes (object);
json_object_unref (object);
if (interactive)
cockpit_transport_emit_recv (transport, NULL, bytes);
else
cockpit_transport_send (transport, NULL, bytes);
g_bytes_unref (bytes);
}
static void
on_files_listed (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GError *error = NULL;
JsonObject *options;
GList *files;
files = g_file_enumerator_next_files_finish (G_FILE_ENUMERATOR (source_object), res, &error);
if (error)
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
CockpitFslist *self = COCKPIT_FSLIST (user_data);
g_message ("%s: couldn't process files %s", COCKPIT_FSLIST(user_data)->path, error->message);
options = cockpit_channel_close_options (COCKPIT_CHANNEL (self));
json_object_set_string_member (options, "message", error->message);
cockpit_channel_close (COCKPIT_CHANNEL (self), "internal-error");
}
g_clear_error (&error);
return;
}
CockpitFslist *self = COCKPIT_FSLIST (user_data);
if (files == NULL)
{
JsonObject *msg;
GBytes *msg_bytes;
msg = json_object_new ();
json_object_set_string_member (msg, "event", "present-done");
msg_bytes = cockpit_json_write_bytes (msg);
json_object_unref (msg);
cockpit_channel_send (COCKPIT_CHANNEL(self), msg_bytes, FALSE);
g_bytes_unref (msg_bytes);
g_clear_object (&self->cancellable);
g_object_unref (source_object);
if (self->monitor == NULL)
{
cockpit_channel_done (COCKPIT_CHANNEL (self));
cockpit_channel_close (COCKPIT_CHANNEL (self), NULL);
}
return;
}
for (GList *l = files; l; l = l->next)
{
GFileInfo *info = G_FILE_INFO (l->data);
JsonObject *msg;
GBytes *msg_bytes;
msg = json_object_new ();
json_object_set_string_member (msg, "event", "present");
json_object_set_string_member
(msg, "path", g_file_info_get_attribute_byte_string (info, G_FILE_ATTRIBUTE_STANDARD_NAME));
json_object_set_string_member
(msg, "type", cockpit_file_type_to_string (g_file_info_get_file_type (info)));
msg_bytes = cockpit_json_write_bytes (msg);
json_object_unref (msg);
cockpit_channel_send (COCKPIT_CHANNEL(self), msg_bytes, FALSE);
g_bytes_unref (msg_bytes);
}
g_list_free_full (files, g_object_unref);
g_file_enumerator_next_files_async (G_FILE_ENUMERATOR (source_object),
10,
G_PRIORITY_DEFAULT,
self->cancellable,
on_files_listed,
self);
}
static gboolean
relay_headers (CockpitHttpStream *self,
CockpitChannel *channel,
GByteArray *buffer)
{
GHashTable *headers = NULL;
gchar *version = NULL;
gchar *reason = NULL;
JsonObject *object;
const gchar *data;
JsonObject *heads;
GHashTableIter iter;
GBytes *message;
gpointer key;
gpointer value;
guint status;
gsize length;
gssize offset;
gssize offset2;
data = (const gchar *)buffer->data;
length = buffer->len;
offset = web_socket_util_parse_status_line (data, length, &version, &status, &reason);
if (offset == 0)
return FALSE; /* want more data */
if (offset < 0)
{
cockpit_channel_fail (channel, "protocol-error",
"%s: received response with bad HTTP status line", self->name);
goto out;
}
offset2 = web_socket_util_parse_headers (data + offset, length - offset, &headers);
if (offset2 == 0)
return FALSE; /* want more data */
if (offset2 < 0)
{
cockpit_channel_fail (channel, "protocol-error",
"%s: received response with bad HTTP headers", self->name);
goto out;
}
g_debug ("%s: response: %u %s", self->name, status, reason);
g_hash_table_iter_init (&iter, headers);
while (g_hash_table_iter_next (&iter, &key, &value))
g_debug ("%s: header: %s %s", self->name, (gchar *)key, (gchar *)value);
if (!parse_transfer_encoding (self, channel, headers) ||
!parse_content_length (self, channel, status, headers) ||
!parse_keep_alive (self, channel, version, headers))
goto out;
cockpit_pipe_skip (buffer, offset + offset2);
if (!self->binary)
{
g_hash_table_remove (headers, "Content-Length");
g_hash_table_remove (headers, "Range");
}
g_hash_table_remove (headers, "Connection");
g_hash_table_remove (headers, "Transfer-Encoding");
/* Now serialize all the rest of this into JSON */
object = json_object_new ();
json_object_set_int_member (object, "status", status);
json_object_set_string_member (object, "reason", reason);
heads = json_object_new();
g_hash_table_iter_init (&iter, headers);
while (g_hash_table_iter_next (&iter, &key, &value))
json_object_set_string_member (heads, key, value);
json_object_set_object_member (object, "headers", heads);
if (self->headers_inline)
{
message = cockpit_json_write_bytes (object);
cockpit_channel_send (channel, message, TRUE);
g_bytes_unref (message);
}
else
{
cockpit_channel_control (channel, "response", object);
}
json_object_unref (object);
out:
if (headers)
g_hash_table_unref (headers);
g_free (version);
g_free (reason);
return TRUE;
}
static GBytes *
build_environment (CockpitWebService *service,
JsonObject *modules)
{
const gchar *user;
CockpitCreds *creds;
JsonObject *env;
JsonObject *localhost;
JsonObject *languages;
JsonObject *language;
struct passwd *pwd;
gchar *hostname;
GBytes *bytes;
guint n;
const struct {
const gchar *name;
const gchar *code;
} supported_languages[] = {
{ NC_("display-language", "English"), "" },
{ NC_("display-language", "Danish"), "da" },
{ NC_("display-language", "German"), "de" },
};
env = json_object_new ();
if (service)
{
creds = cockpit_web_service_get_creds (service);
user = cockpit_creds_get_user (creds);
json_object_set_string_member (env, "user", user);
pwd = cockpit_getpwnam_a (user, NULL);
if (pwd)
{
json_object_set_string_member (env, "name", pwd->pw_gecos);
free (pwd);
}
}
localhost = json_object_new ();
/* This awkwardly takes the localhost reference */
json_object_set_object_member (env, "localhost", localhost);
hostname = g_malloc0 (HOST_NAME_MAX + 1);
gethostname (hostname, HOST_NAME_MAX);
hostname[HOST_NAME_MAX] = '\0';
json_object_set_string_member (env, "hostname", hostname);
/* Only include version info if logged in */
if (service)
{
json_object_set_string_member (localhost, "version", PACKAGE_VERSION);
json_object_set_string_member (localhost, "build_info", COCKPIT_BUILD_INFO);
}
languages = json_object_new ();
/* This awkwardly takes the languages reference */
json_object_set_object_member (localhost, "languages", languages);
for (n = 0; n < G_N_ELEMENTS (supported_languages); n++)
{
language = json_object_new ();
json_object_set_object_member (languages, supported_languages[n].code, language);
json_object_set_string_member (language, "name", supported_languages[n].name);
}
if (modules)
json_object_set_object_member (localhost, "modules", json_object_ref (modules));
bytes = cockpit_json_write_bytes (env);
json_object_unref (env);
return bytes;
}
