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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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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
58 lines
2.4 KiB
C
58 lines
2.4 KiB
C
/*-
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* Copyright (c) 2012 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_DNS_H_
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#define _LIBCAPSICUM_DNS_H_
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#include <sys/socket.h> /* socklen_t */
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struct addrinfo;
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struct hostent;
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struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name);
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struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name,
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int type);
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struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr,
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socklen_t len, int type);
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int cap_getaddrinfo(cap_channel_t *chan, const char *hostname,
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const char *servname, const struct addrinfo *hints, struct addrinfo **res);
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int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa,
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socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen,
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int flags);
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int cap_dns_type_limit(cap_channel_t *chan, const char * const *types,
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size_t ntypes);
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int cap_dns_family_limit(cap_channel_t *chan, const int *families,
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size_t nfamilies);
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#endif /* !_LIBCAPSICUM_DNS_H_ */
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