2 * Copyright (c) 2012-2013 The FreeBSD Foundation
3 * Copyright (c) 2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
6 * This software was developed by Pawel Jakub Dawidek under sponsorship from
7 * the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include <sys/types.h>
38 #ifndef _NVLIST_T_DECLARED
39 #define _NVLIST_T_DECLARED
42 typedef struct nvlist nvlist_t;
45 #ifndef _CAP_CHANNEL_T_DECLARED
46 #define _CAP_CHANNEL_T_DECLARED
49 typedef struct cap_channel cap_channel_t;
53 * The functions opens unrestricted communication channel to Casper.
55 cap_channel_t *cap_init(void);
58 * The functions to communicate with service.
60 cap_channel_t *cap_service_open(const cap_channel_t *chan, const char *name);
61 int cap_service_limit(const cap_channel_t *chan,
62 const char * const *names, size_t nnames);
65 * The function creates cap_channel_t based on the given socket.
67 cap_channel_t *cap_wrap(int sock);
70 * The function returns communication socket and frees cap_channel_t.
72 int cap_unwrap(cap_channel_t *chan);
75 * The function clones the given capability.
77 cap_channel_t *cap_clone(const cap_channel_t *chan);
80 * The function closes the given capability.
82 void cap_close(cap_channel_t *chan);
85 * The function returns socket descriptor associated with the given
86 * cap_channel_t for use with select(2)/kqueue(2)/etc.
88 int cap_sock(const cap_channel_t *chan);
91 * The function limits the given capability.
92 * It always destroys 'limits' on return.
94 int cap_limit_set(const cap_channel_t *chan, nvlist_t *limits);
97 * The function returns current limits of the given capability.
99 int cap_limit_get(const cap_channel_t *chan, nvlist_t **limitsp);
102 * Function sends nvlist over the given capability.
104 int cap_send_nvlist(const cap_channel_t *chan, const nvlist_t *nvl);
106 * Function receives nvlist over the given capability.
108 nvlist_t *cap_recv_nvlist(const cap_channel_t *chan, int flags);
110 * Function sends the given nvlist, destroys it and receives new nvlist in
111 * response over the given capability.
113 nvlist_t *cap_xfer_nvlist(const cap_channel_t *chan, nvlist_t *nvl, int flags);
115 #endif /* !_LIBCASPER_H_ */