| /* $OpenBSD: sandbox-tame.c,v 1.2 2015/10/02 15:52:55 deraadt 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" |
| |
| #ifdef SANDBOX_TAME |
| |
| #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(struct monitor *m) |
| { |
| struct ssh_sandbox *box; |
| |
| debug3("%s: preparing tame sandbox", __func__); |
| box = xcalloc(1, sizeof(*box)); |
| box->child_pid = 0; |
| |
| return box; |
| } |
| |
| void |
| ssh_sandbox_child(struct ssh_sandbox *box) |
| { |
| if (tame("stdio", NULL) == -1) |
| fatal("%s: tame()", __func__); |
| } |
| |
| void |
| ssh_sandbox_parent_finish(struct ssh_sandbox *box) |
| { |
| free(box); |
| debug3("%s: finished", __func__); |
| } |
| |
| void |
| ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid) |
| { |
| box->child_pid = child_pid; |
| /* Nothing to do here */ |
| } |
| |
| #endif /* SANDBOX_TAME */ |