/*
* Copyright (C) 2010-2011 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
- *
+ *
* 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 3 of the License, or (at your option) any later
#include <config.h>
#include <string.h>
#include <fcntl.h>
-#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#include <glib/gstdio.h>
#include "x-server-xvnc.h"
#include "configuration.h"
-#include "x-server-local.h"
#include "process.h"
struct XServerXVNCPrivate
{
- /* X server process */
- Process *x_server_process;
-
- /* File to log to */
- gchar *log_file;
-
- /* Command to run the X server */
- gchar *command;
-
- /* Authority file */
- gchar *authority_file;
-
/* File descriptor to use for standard input */
gint socket_fd;
-
+
/* Geometry and colour depth */
gint width, height, depth;
-
- /* TRUE when received ready signal */
- gboolean got_signal;
};
-G_DEFINE_TYPE (XServerXVNC, x_server_xvnc, X_SERVER_TYPE);
+G_DEFINE_TYPE (XServerXVNC, x_server_xvnc, X_SERVER_LOCAL_TYPE);
XServerXVNC *
x_server_xvnc_new (void)
{
- XServerXVNC *self = g_object_new (X_SERVER_XVNC_TYPE, NULL);
- gchar *name;
-
- x_server_set_display_number (X_SERVER (self), x_server_local_get_unused_display_number ());
+ XServerXVNC *server = g_object_new (X_SERVER_XVNC_TYPE, NULL);
- name = g_strdup_printf ("xvnc-%d", x_server_get_display_number (X_SERVER (self)));
- display_server_set_name (DISPLAY_SERVER (self), name);
- g_free (name);
-
- return self;
-}
+ x_server_local_set_command (X_SERVER_LOCAL (server), "Xvnc");
-void
-x_server_xvnc_set_command (XServerXVNC *server, const gchar *command)
-{
- g_return_if_fail (server != NULL);
- g_free (server->priv->command);
- server->priv->command = g_strdup (command);
+ return server;
}
-
void
x_server_xvnc_set_socket (XServerXVNC *server, int fd)
{
server->priv->depth = depth;
}
-const gchar *
-x_server_xvnc_get_authority_file_path (XServerXVNC *server)
-{
- g_return_val_if_fail (server != NULL, 0);
- return server->priv->authority_file;
-}
-
-static gchar *
-get_absolute_command (const gchar *command)
-{
- gchar **tokens;
- gchar *absolute_binary, *absolute_command = NULL;
-
- tokens = g_strsplit (command, " ", 2);
-
- absolute_binary = g_find_program_in_path (tokens[0]);
- if (absolute_binary)
- {
- if (tokens[1])
- absolute_command = g_strjoin (" ", absolute_binary, tokens[1], NULL);
- else
- absolute_command = g_strdup (absolute_binary);
- }
-
- g_strfreev (tokens);
-
- return absolute_command;
-}
-
static void
-run_cb (Process *process, XServerXVNC *server)
+x_server_xvnc_run (Process *process, gpointer user_data)
{
+ XServerXVNC *server = user_data;
+
/* Connect input */
dup2 (server->priv->socket_fd, STDIN_FILENO);
dup2 (server->priv->socket_fd, STDOUT_FILENO);
close (server->priv->socket_fd);
- /* Redirect output to logfile */
- if (server->priv->log_file)
- {
- int fd;
-
- fd = g_open (server->priv->log_file, O_WRONLY | O_CREAT | O_TRUNC, 0600);
- if (fd < 0)
- g_warning ("Failed to open log file %s: %s", server->priv->log_file, g_strerror (errno));
- else
- {
- dup2 (fd, STDERR_FILENO);
- close (fd);
- }
- }
-
/* Set SIGUSR1 to ignore so the X server can indicate it when it is ready */
signal (SIGUSR1, SIG_IGN);
}
-static void
-got_signal_cb (Process *process, int signum, XServerXVNC *server)
+static ProcessRunFunc
+x_server_xvnc_get_run_function (XServerLocal *server)
{
- if (signum == SIGUSR1 && !server->priv->got_signal)
- {
- server->priv->got_signal = TRUE;
- g_debug ("Got signal from Xvnc server :%d", x_server_get_display_number (X_SERVER (server)));
-
- // FIXME: Check return value
- DISPLAY_SERVER_CLASS (x_server_xvnc_parent_class)->start (DISPLAY_SERVER (server));
- }
+ return x_server_xvnc_run;
}
-static void
-stopped_cb (Process *process, XServerXVNC *server)
+static gboolean
+x_server_xvnc_get_log_stdout (XServerLocal *server)
{
- g_debug ("Xvnc server stopped");
-
- g_object_unref (server->priv->x_server_process);
- server->priv->x_server_process = NULL;
-
- x_server_local_release_display_number (x_server_get_display_number (X_SERVER (server)));
-
- g_debug ("Removing X server authority %s", server->priv->authority_file);
-
- g_unlink (server->priv->authority_file);
- g_free (server->priv->authority_file);
- server->priv->authority_file = NULL;
-
- DISPLAY_SERVER_CLASS (x_server_xvnc_parent_class)->stop (DISPLAY_SERVER (server));
+ return FALSE;
}
static gboolean
return TRUE;
}
-static gboolean
-x_server_xvnc_start (DisplayServer *display_server)
+static void
+x_server_xvnc_add_args (XServerLocal *x_server, GString *command)
{
- XServerXVNC *server = X_SERVER_XVNC (display_server);
- XAuthority *authority;
- gboolean result;
- gchar *filename, *run_dir, *dir, *absolute_command;
- GString *command;
- gchar hostname[1024], *number;
- GError *error = NULL;
-
- g_return_val_if_fail (server->priv->x_server_process == NULL, FALSE);
-
- server->priv->got_signal = FALSE;
-
- server->priv->x_server_process = process_new ();
- process_set_clear_environment (server->priv->x_server_process, TRUE);
- g_signal_connect (server->priv->x_server_process, "run", G_CALLBACK (run_cb), server);
- g_signal_connect (server->priv->x_server_process, "got-signal", G_CALLBACK (got_signal_cb), server);
- g_signal_connect (server->priv->x_server_process, "stopped", G_CALLBACK (stopped_cb), server);
+ XServerXVNC *server = X_SERVER_XVNC (x_server);
- /* Setup logging */
- filename = g_strdup_printf ("%s.log", display_server_get_name (display_server));
- dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
- server->priv->log_file = g_build_filename (dir, filename, NULL);
- g_debug ("Logging to %s", server->priv->log_file);
- g_free (filename);
- g_free (dir);
+ g_string_append (command, " -inetd");
- absolute_command = get_absolute_command (server->priv->command);
- if (!absolute_command)
- {
- g_debug ("Can't launch X server %s, not found in path", server->priv->command);
- stopped_cb (server->priv->x_server_process, X_SERVER_XVNC (server));
- return FALSE;
- }
-
- gethostname (hostname, 1024);
- number = g_strdup_printf ("%d", x_server_get_display_number (X_SERVER (server)));
- authority = x_authority_new_cookie (XAUTH_FAMILY_LOCAL, (guint8*) hostname, strlen (hostname), number);
-
- x_server_set_authority (X_SERVER (server), authority);
-
- run_dir = config_get_string (config_get_instance (), "LightDM", "run-directory");
- dir = g_build_filename (run_dir, "root", NULL);
- g_free (run_dir);
- if (g_mkdir_with_parents (dir, S_IRWXU) < 0)
- g_warning ("Failed to make authority directory %s: %s", dir, strerror (errno));
-
- server->priv->authority_file = g_build_filename (dir, x_server_get_address (X_SERVER (server)), NULL);
- g_free (dir);
-
- g_debug ("Writing X server authority to %s", server->priv->authority_file);
-
- x_authority_write (authority, XAUTH_WRITE_MODE_REPLACE, server->priv->authority_file, &error);
- if (error)
- g_warning ("Failed to write authority: %s", error->message);
- g_clear_error (&error);
-
- command = g_string_new (absolute_command);
- g_free (absolute_command);
-
- g_string_append_printf (command, " :%d", x_server_get_display_number (X_SERVER (server)));
- g_string_append_printf (command, " -auth %s", server->priv->authority_file);
- g_string_append (command, " -inetd -nolisten tcp");
if (server->priv->width > 0 && server->priv->height > 0)
g_string_append_printf (command, " -geometry %dx%d", server->priv->width, server->priv->height);
+
if (server->priv->depth > 0)
g_string_append_printf (command, " -depth %d", server->priv->depth);
-
- process_set_command (server->priv->x_server_process, command->str);
- g_string_free (command, TRUE);
-
- g_debug ("Launching Xvnc server");
-
- /* Variable required for regression tests */
- if (g_getenv ("LIGHTDM_TEST_ROOT"))
- {
- process_set_env (server->priv->x_server_process, "LIGHTDM_TEST_ROOT", g_getenv ("LIGHTDM_TEST_ROOT"));
- process_set_env (server->priv->x_server_process, "LD_LIBRARY_PATH", g_getenv ("LD_LIBRARY_PATH"));
- }
-
- result = process_start (server->priv->x_server_process, FALSE);
-
- if (result)
- g_debug ("Waiting for ready signal from Xvnc server :%d", x_server_get_display_number (X_SERVER (server)));
-
- if (!result)
- stopped_cb (server->priv->x_server_process, X_SERVER_XVNC (server));
-
- return result;
-}
-
-static void
-x_server_xvnc_stop (DisplayServer *server)
-{
- process_stop (X_SERVER_XVNC (server)->priv->x_server_process);
}
static void
x_server_xvnc_init (XServerXVNC *server)
{
server->priv = G_TYPE_INSTANCE_GET_PRIVATE (server, X_SERVER_XVNC_TYPE, XServerXVNCPrivate);
- server->priv->command = g_strdup ("Xvnc");
server->priv->width = 1024;
server->priv->height = 768;
server->priv->depth = 8;
}
-static void
-x_server_xvnc_finalize (GObject *object)
-{
- XServerXVNC *self;
-
- self = X_SERVER_XVNC (object);
-
- if (self->priv->x_server_process)
- g_object_unref (self->priv->x_server_process);
- g_free (self->priv->command);
- g_free (self->priv->authority_file);
- g_free (self->priv->log_file);
-
- G_OBJECT_CLASS (x_server_xvnc_parent_class)->finalize (object);
-}
-
static void
x_server_xvnc_class_init (XServerXVNCClass *klass)
{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ XServerLocalClass *x_server_local_class = X_SERVER_LOCAL_CLASS (klass);
DisplayServerClass *display_server_class = DISPLAY_SERVER_CLASS (klass);
+ x_server_local_class->get_run_function = x_server_xvnc_get_run_function;
+ x_server_local_class->get_log_stdout = x_server_xvnc_get_log_stdout;
+ x_server_local_class->add_args = x_server_xvnc_add_args;
display_server_class->get_can_share = x_server_xvnc_get_can_share;
- display_server_class->start = x_server_xvnc_start;
- display_server_class->stop = x_server_xvnc_stop;
- object_class->finalize = x_server_xvnc_finalize;
g_type_class_add_private (klass, sizeof (XServerXVNCPrivate));
}
projects / sojka / lightdm.git / blobdiff