sonic-openssh/platform-pledge.c

72 строки
1.9 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"
#include <sys/types.h>
#include <stdarg.h>
#include <unistd.h>
#include "platform.h"
#include "openbsd-compat/openbsd-compat.h"
/*
* Drop any fine-grained privileges that are not needed for post-startup
* operation of ssh-agent
*
* Should be as close as possible to pledge("stdio cpath unix id proc exec", ...)
*/
void
platform_pledge_agent(void)
{
#ifdef USE_SOLARIS_PRIVS
/*
* Note: Solaris priv dropping is closer to tame() than pledge(), but
* we will use what we have.
*/
solaris_drop_privs_root_pinfo_net();
#endif
}
/*
* Drop any fine-grained privileges that are not needed for post-startup
* operation of sftp-server
*/
void
platform_pledge_sftp_server(void)
{
#ifdef USE_SOLARIS_PRIVS
solaris_drop_privs_pinfo_net_fork_exec();
#endif
}
/*
* Drop any fine-grained privileges that are not needed for the post-startup
* operation of the SSH client mux
*
* Should be as close as possible to pledge("stdio proc tty", ...)
*/
void
platform_pledge_mux(void)
{
#ifdef USE_SOLARIS_PRIVS
solaris_drop_privs_root_pinfo_net_exec();
#endif
}