/* $NetBSD: sandbox-pledge.c,v 1.3 2021/03/05 17:47:16 christos Exp $ */ /* $OpenBSD: sandbox-pledge.c,v 1.2 2020/10/18 11:32:01 djm Exp $ */ /* * Copyright (c) 2015 Theo de Raadt <deraadt@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "includes.h" __RCSID("$NetBSD: sandbox-pledge.c,v 1.3 2021/03/05 17:47:16 christos Exp $"); #include <sys/types.h> #include <sys/ioctl.h> #include <sys/syscall.h> #include <sys/socket.h> #include <sys/wait.h> #include <errno.h> #include <limits.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <pwd.h> #include "log.h" #include "ssh-sandbox.h" #include "xmalloc.h" struct ssh_sandbox { pid_t child_pid; }; struct ssh_sandbox * ssh_sandbox_init(void) { struct ssh_sandbox *box; debug3_f("preparing pledge sandbox"); box = xcalloc(1, sizeof(*box)); box->child_pid = 0; return box; } void ssh_sandbox_child(struct ssh_sandbox *box) { if (pledge("stdio", NULL) == -1) fatal_f("pledge()"); } void ssh_sandbox_parent_finish(struct ssh_sandbox *box) { free(box); debug3_f("finished"); } void ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid) { box->child_pid = child_pid; /* Nothing to do here */ } |