mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2011 Damien Miller <djm@mindrot.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_DARWIN
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sandbox.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "log.h"
|
|
#include "sandbox.h"
|
|
#include "xmalloc.h"
|
|
|
|
/* Darwin/OS X sandbox */
|
|
|
|
struct ssh_sandbox {
|
|
pid_t child_pid;
|
|
};
|
|
|
|
struct ssh_sandbox *
|
|
ssh_sandbox_init(void)
|
|
{
|
|
struct ssh_sandbox *box;
|
|
|
|
/*
|
|
* Strictly, we don't need to maintain any state here but we need
|
|
* to return non-NULL to satisfy the API.
|
|
*/
|
|
debug3("%s: preparing Darwin sandbox", __func__);
|
|
box = xcalloc(1, sizeof(*box));
|
|
box->child_pid = 0;
|
|
|
|
return box;
|
|
}
|
|
|
|
void
|
|
ssh_sandbox_child(struct ssh_sandbox *box)
|
|
{
|
|
char *errmsg;
|
|
struct rlimit rl_zero;
|
|
|
|
debug3("%s: starting Darwin sandbox", __func__);
|
|
if (sandbox_init(kSBXProfilePureComputation, SANDBOX_NAMED,
|
|
&errmsg) == -1)
|
|
fatal("%s: sandbox_init: %s", __func__, errmsg);
|
|
|
|
/*
|
|
* The kSBXProfilePureComputation still allows sockets, so
|
|
* we must disable these using rlimit.
|
|
*/
|
|
rl_zero.rlim_cur = rl_zero.rlim_max = 0;
|
|
if (setrlimit(RLIMIT_FSIZE, &rl_zero) == -1)
|
|
fatal("%s: setrlimit(RLIMIT_FSIZE, { 0, 0 }): %s",
|
|
__func__, strerror(errno));
|
|
if (setrlimit(RLIMIT_NOFILE, &rl_zero) == -1)
|
|
fatal("%s: setrlimit(RLIMIT_NOFILE, { 0, 0 }): %s",
|
|
__func__, strerror(errno));
|
|
if (setrlimit(RLIMIT_NPROC, &rl_zero) == -1)
|
|
fatal("%s: setrlimit(RLIMIT_NPROC, { 0, 0 }): %s",
|
|
__func__, strerror(errno));
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#endif /* SANDBOX_DARWIN */
|