mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-11-30 18:03:32 +08:00
ce9134260b
Drop PRIV_DAX_ACCESS and PRIV_SYS_IB_INFO. Patch from huieying.lee AT oracle.com via bz#2723
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2015 Joyent, Inc
|
|
* Author: Alex Wilson <alex.wilson@joyent.com>
|
|
*
|
|
* 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_SOLARIS
|
|
#ifndef USE_SOLARIS_PRIVS
|
|
# error "--with-solaris-privs must be used with the Solaris sandbox"
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#ifdef HAVE_PRIV_H
|
|
# include <priv.h>
|
|
#endif
|
|
|
|
#include "log.h"
|
|
#include "ssh-sandbox.h"
|
|
#include "xmalloc.h"
|
|
|
|
struct ssh_sandbox {
|
|
priv_set_t *pset;
|
|
};
|
|
|
|
struct ssh_sandbox *
|
|
ssh_sandbox_init(struct monitor *monitor)
|
|
{
|
|
struct ssh_sandbox *box = NULL;
|
|
|
|
box = xcalloc(1, sizeof(*box));
|
|
|
|
/* Start with "basic" and drop everything we don't need. */
|
|
box->pset = solaris_basic_privset();
|
|
|
|
if (box->pset == NULL) {
|
|
free(box);
|
|
return NULL;
|
|
}
|
|
|
|
/* Drop everything except the ability to use already-opened files */
|
|
if (priv_delset(box->pset, PRIV_FILE_LINK_ANY) != 0 ||
|
|
#ifdef PRIV_NET_ACCESS
|
|
priv_delset(box->pset, PRIV_NET_ACCESS) != 0 ||
|
|
#endif
|
|
#ifdef PRIV_DAX_ACCESS
|
|
priv_delset(box->pset, PRIV_DAX_ACCESS) != 0 ||
|
|
#endif
|
|
#ifdef PRIV_SYS_IB_INFO
|
|
priv_delset(box->pset, PRIV_SYS_IB_INFO) != 0 ||
|
|
#endif
|
|
priv_delset(box->pset, PRIV_PROC_EXEC) != 0 ||
|
|
priv_delset(box->pset, PRIV_PROC_FORK) != 0 ||
|
|
priv_delset(box->pset, PRIV_PROC_INFO) != 0 ||
|
|
priv_delset(box->pset, PRIV_PROC_SESSION) != 0) {
|
|
free(box);
|
|
return NULL;
|
|
}
|
|
|
|
/* These may not be available on older Solaris-es */
|
|
# if defined(PRIV_FILE_READ) && defined(PRIV_FILE_WRITE)
|
|
if (priv_delset(box->pset, PRIV_FILE_READ) != 0 ||
|
|
priv_delset(box->pset, PRIV_FILE_WRITE) != 0) {
|
|
free(box);
|
|
return NULL;
|
|
}
|
|
# endif
|
|
|
|
return box;
|
|
}
|
|
|
|
void
|
|
ssh_sandbox_child(struct ssh_sandbox *box)
|
|
{
|
|
if (setppriv(PRIV_SET, PRIV_PERMITTED, box->pset) != 0 ||
|
|
setppriv(PRIV_SET, PRIV_LIMIT, box->pset) != 0 ||
|
|
setppriv(PRIV_SET, PRIV_INHERITABLE, box->pset) != 0)
|
|
fatal("setppriv: %s", strerror(errno));
|
|
}
|
|
|
|
void
|
|
ssh_sandbox_parent_finish(struct ssh_sandbox *box)
|
|
{
|
|
priv_freeset(box->pset);
|
|
box->pset = NULL;
|
|
free(box);
|
|
}
|
|
|
|
void
|
|
ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid)
|
|
{
|
|
/* Nothing to do here */
|
|
}
|
|
|
|
#endif /* SANDBOX_SOLARIS */
|