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/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Ted Gould <ted.gould@canonical.com>
*/
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <glib.h>
#include <gio/gio.h>
#include "helpers.h"
#include "desktop-exec-trace.h"
int
main (int argc, char * argv[])
{
if (argc != 1) {
g_error("Should be called as: %s", argv[0]);
return 1;
}
const gchar * app_id = g_getenv("APP_ID");
if (app_id == NULL) {
g_error("No APP_ID environment variable defined");
return 1;
}
g_setenv("LTTNG_UST_REGISTER_TIMEOUT", "0", FALSE); /* Set to zero if not set */
tracepoint(upstart_app_launch, desktop_start);
/* Ensure we keep one connection open to the bus for the entire
script even though different people need it throughout */
GError * error = NULL;
GDBusConnection * bus = g_bus_get_sync(G_BUS_TYPE_SESSION, NULL, &error);
if (error != NULL) {
g_error("Unable to get session bus: %s", error->message);
g_error_free(error);
return 1;
}
handshake_t * handshake = starting_handshake_start(app_id);
if (handshake == NULL) {
g_warning("Unable to setup starting handshake");
}
tracepoint(upstart_app_launch, desktop_starting_sent);
gchar * desktopfilename = NULL;
GKeyFile * keyfile = keyfile_for_appid(app_id, &desktopfilename);
if (keyfile == NULL) {
g_error("Unable to find keyfile for application '%s'", app_id);
return 1;
}
tracepoint(upstart_app_launch, desktop_found);
/* TODO: This is for Surface Flinger. When we drop support, we can drop this code */
if (desktopfilename != NULL) {
set_upstart_variable("APP_DESKTOP_FILE", desktopfilename, FALSE);
/* This is not for SF, it's for platform API only above is for SF */
set_upstart_variable("APP_DESKTOP_FILE_PATH", desktopfilename, FALSE);
g_free(desktopfilename);
}
if (g_key_file_has_key(keyfile, "Desktop Entry", "Path", NULL)) {
gchar * path = g_key_file_get_string(keyfile, "Desktop Entry", "Path", NULL);
set_upstart_variable("APP_DIR", path, FALSE);
g_free(path);
}
gchar * apparmor = g_key_file_get_string(keyfile, "Desktop Entry", "X-Ubuntu-AppArmor-Profile", NULL);
if (apparmor != NULL) {
set_upstart_variable("APP_EXEC_POLICY", apparmor, FALSE);
set_confined_envvars(app_id, "/usr/share");
g_free(apparmor);
} else {
set_upstart_variable("APP_EXEC_POLICY", "unconfined", FALSE);
}
/* This string is quoted using desktop file quoting:
http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html#exec-variables */
gchar * execline = desktop_to_exec(keyfile, app_id);
g_return_val_if_fail(execline != NULL, 1);
/* NOTE: This should be the last upstart variable set as it is sync
so it will wait for a reply from Upstart implying that Upstart
has seen all the other variable requests we made */
set_upstart_variable("APP_EXEC", execline, TRUE);
g_free(execline);
g_key_file_free(keyfile);
tracepoint(upstart_app_launch, desktop_handshake_wait);
starting_handshake_wait(handshake);
tracepoint(upstart_app_launch, desktop_handshake_complete);
g_object_unref(bus);
return 0;
}
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