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/* $OpenBSD: sandbox-pledge.c,v 1.1 2015/10/09 01:37:08 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2015 Theo de Raadt <deraadt@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/ioctl.h> |
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#include <sys/syscall.h> |
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#include <sys/socket.h> |
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#include <sys/wait.h> |
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#include <errno.h> |
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#include <limits.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <pwd.h> |
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#include "log.h" |
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#include "ssh-sandbox.h" |
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#include "xmalloc.h" |
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struct ssh_sandbox { |
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pid_t child_pid; |
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}; |
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struct ssh_sandbox * |
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ssh_sandbox_init(void) |
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{ |
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struct ssh_sandbox *box; |
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debug3("%s: preparing pledge sandbox", __func__); |
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box = xcalloc(1, sizeof(*box)); |
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box->child_pid = 0; |
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return box; |
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} |
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void |
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ssh_sandbox_child(struct ssh_sandbox *box) |
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{ |
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if (pledge("stdio flock rpath cpath wpath", NULL) == -1) |
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fatal("%s: pledge()", __func__); |
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} |
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void |
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ssh_sandbox_parent_finish(struct ssh_sandbox *box) |
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{ |
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free(box); |
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debug3("%s: finished", __func__); |
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} |
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void |
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ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid) |
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{ |
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box->child_pid = child_pid; |
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/* Nothing to do here */ |
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} |