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"--chdir", cwd_p,
"--unsetenv", "PWD",
NULL);
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/* TODO: Potential future expansion: use --unshare-pid for more isolation */
/* Put Steam Runtime environment variables back, if /usr is mounted
* from the host. */
if (opt_runtime == NULL)
{
g_debug ("Making Steam Runtime available...");
/* We need libraries from the Steam Runtime, so make sure that's
* visible (it should never need to be read/write though) */
if (opt_env_if_host != NULL)
{
for (i = 0; opt_env_if_host[i] != NULL; i++)
{
char *equals = strchr (opt_env_if_host[i], '=');
g_assert (equals != NULL);
if (g_str_has_prefix (opt_env_if_host[i], "STEAM_RUNTIME=/"))
{
flatpak_bwrap_add_args (bwrap,
"--ro-bind", equals + 1,
equals + 1,
NULL);
}
*equals = '\0';
/* We do this via --setenv instead of flatpak_bwrap_set_env()
* to make sure they aren't filtered out by a setuid bwrap. */
flatpak_bwrap_add_args (bwrap,
"--setenv", opt_env_if_host[i],
equals + 1,
NULL);
*equals = '=';
}
}
}
g_debug ("Adding wrapped command...");
flatpak_bwrap_append_args (bwrap, wrapped_command->argv);
flatpak_bwrap_finish (bwrap);
if (opt_verbose)
{
g_message ("%s options:", bwrap_executable);
for (i = 0; i < bwrap->argv->len - 1; i++)
{
g_autofree gchar *quoted = NULL;
quoted = g_shell_quote (g_ptr_array_index (bwrap->argv, i));
g_message ("\t%s", quoted);
}
g_message ("%s environment:", bwrap_executable);
for (i = 0; bwrap->envp != NULL && bwrap->envp[i] != NULL; i++)
{
g_autofree gchar *quoted = NULL;
quoted = g_shell_quote (bwrap->envp[i]);
g_message ("\t%s", quoted);
}
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}
/* flatpak_bwrap_finish did this */
g_assert (g_ptr_array_index (bwrap->argv, bwrap->argv->len - 1) == NULL);
g_debug ("Launching child process...");
if (opt_interactive)
spawn_flags |= G_SPAWN_CHILD_INHERITS_STDIN;
if (!g_spawn_async (NULL, /* cwd */
(gchar **) bwrap->argv->pdata,
bwrap->envp,
spawn_flags,
flatpak_bwrap_child_setup_cb,
bwrap->fds,
&child_pid,
error))
{
ret = 127;
goto out;
}
g_child_watch_add (child_pid, child_exited_cb, &child_exited_closure);
while (!child_exited_closure.exited)
g_main_context_iteration (NULL, TRUE);
if (opt_verbose)
{
if (WIFEXITED (child_exited_closure.wait_status))
g_message ("Command exited with status %d",
WEXITSTATUS (child_exited_closure.wait_status));
else if (WIFSIGNALED (child_exited_closure.wait_status))
g_message ("Command killed by signal %d",
WTERMSIG (child_exited_closure.wait_status));
else
g_message ("Command terminated in an unknown way");
}
if (WIFEXITED (child_exited_closure.wait_status))
ret = WEXITSTATUS (child_exited_closure.wait_status);
else if (WIFSIGNALED (child_exited_closure.wait_status))
ret = 128 + WTERMSIG (child_exited_closure.wait_status);
else
ret = 126;
out:
if (local_error != NULL)
g_warning ("%s", local_error->message);
if (tmpdir != NULL &&
!glnx_shutil_rm_rf_at (-1, tmpdir, NULL, error))
{
g_warning ("Unable to delete temporary directory: %s",
local_error->message);
g_clear_error (&local_error);
}
g_clear_pointer (&opt_ld_preload, g_ptr_array_unref);
g_clear_pointer (&opt_env_if_host, g_strfreev);
g_clear_pointer (&opt_freedesktop_app_id, g_free);
g_clear_pointer (&opt_steam_app_id, g_free);
g_clear_pointer (&opt_home, g_free);
g_clear_pointer (&opt_fake_home, g_free);
g_clear_pointer (&opt_runtime, g_free);
return ret;
}