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