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/* $Id$ */
/*
* Copyright (c) 2012 Colin Watson <cjwatson@debian.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 <sys/types.h>
#include <stdlib.h>
#include <stdarg.h>
#include "log.h"
#include "ssh-sandbox.h"
static Sandbox *sandboxes[] = {
&ssh_sandbox_systrace,
&ssh_sandbox_darwin,
&ssh_sandbox_seccomp_filter,
&ssh_sandbox_rlimit,
&ssh_sandbox_null,
NULL
};
static Sandbox *selected;
static void
sandbox_select(void)
{
Sandbox **sandbox;
if (selected)
return;
for (sandbox = sandboxes; sandbox; sandbox++) {
if ((*sandbox)->probe && (*sandbox)->probe()) {
selected = *sandbox;
return;
}
}
/* should never happen, as ssh_sandbox_null always succeeds */
fatal("no sandbox implementation found");
}
void *
ssh_sandbox_init(void)
{
sandbox_select();
return selected->init();
}
void
ssh_sandbox_child(void *box)
{
sandbox_select();
return selected->child(box);
}
void
ssh_sandbox_parent_finish(void *box)
{
sandbox_select();
return selected->parent_finish(box);
}
void
ssh_sandbox_parent_preauth(void *box, pid_t child_pid)
{
sandbox_select();
return selected->parent_preauth(box, child_pid);
}
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