mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
42a8595256
giving access to functionality that is not available in capability mode sandbox. The functionality can be precisely restricted. Start with the following services: - system.dns - provides API compatible to: - gethostbyname(3), - gethostbyname2(3), - gethostbyaddr(3), - getaddrinfo(3), - getnameinfo(3), - system.grp - provides getgrent(3)-compatible API, - system.pwd - provides getpwent(3)-compatible API, - system.random - allows to obtain entropy from /dev/random, - system.sysctl - provides sysctlbyname(3-compatible API. Sponsored by: The FreeBSD Foundation
116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*-
|
|
* Copyright (c) 2012-2013 The FreeBSD Foundation
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by Pawel Jakub Dawidek under sponsorship from
|
|
* the FreeBSD Foundation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _LIBCAPSICUM_H_
|
|
#define _LIBCAPSICUM_H_
|
|
|
|
#ifndef _NVLIST_T_DECLARED
|
|
#define _NVLIST_T_DECLARED
|
|
struct nvlist;
|
|
|
|
typedef struct nvlist nvlist_t;
|
|
#endif
|
|
|
|
#ifndef _CAP_CHANNEL_T_DECLARED
|
|
#define _CAP_CHANNEL_T_DECLARED
|
|
struct cap_channel;
|
|
|
|
typedef struct cap_channel cap_channel_t;
|
|
#endif
|
|
|
|
/*
|
|
* The function opens unrestricted communication channel to Casper.
|
|
*/
|
|
cap_channel_t *cap_init(void);
|
|
|
|
/*
|
|
* The function creates cap_channel_t based on the given socket.
|
|
*/
|
|
cap_channel_t *cap_wrap(int sock);
|
|
|
|
/*
|
|
* The function returns communication socket and frees cap_channel_t.
|
|
*/
|
|
int cap_unwrap(cap_channel_t *chan);
|
|
|
|
/*
|
|
* The function clones the given capability.
|
|
*/
|
|
cap_channel_t *cap_clone(const cap_channel_t *chan);
|
|
|
|
/*
|
|
* The function closes the given capability.
|
|
*/
|
|
void cap_close(cap_channel_t *chan);
|
|
|
|
/*
|
|
* The function returns socket descriptor associated with the given
|
|
* cap_channel_t for use with select(2)/kqueue(2)/etc.
|
|
*/
|
|
int cap_sock(const cap_channel_t *chan);
|
|
|
|
/*
|
|
* The function limits the given capability.
|
|
* It always destroys 'limits' on return.
|
|
*/
|
|
int cap_limit_set(const cap_channel_t *chan, nvlist_t *limits);
|
|
|
|
/*
|
|
* The function returns current limits of the given capability.
|
|
*/
|
|
int cap_limit_get(const cap_channel_t *chan, nvlist_t **limitsp);
|
|
|
|
#ifdef TODO
|
|
/*
|
|
* The function registers a service within provided Casper's capability.
|
|
* It will run with the same privileges the process has at the time of
|
|
* calling this function.
|
|
*/
|
|
int cap_service_register(cap_channel_t *chan, const char *name,
|
|
cap_func_t *func);
|
|
#endif
|
|
|
|
/*
|
|
* Function sends nvlist over the given capability.
|
|
*/
|
|
int cap_send_nvlist(const cap_channel_t *chan, const nvlist_t *nvl);
|
|
/*
|
|
* Function receives nvlist over the given capability.
|
|
*/
|
|
nvlist_t *cap_recv_nvlist(const cap_channel_t *chan);
|
|
/*
|
|
* Function sends the given nvlist, destroys it and receives new nvlist in
|
|
* response over the given capability.
|
|
*/
|
|
nvlist_t *cap_xfer_nvlist(const cap_channel_t *chan, nvlist_t *nvl);
|
|
|
|
#endif /* !_LIBCAPSICUM_H_ */
|