09eb839cca
the caller does not specify the rule number -- instead, the kernel module is probed for the next available rule, which is then used. Obtained from: TrustedBSD Project Sponsored by: DARPA, McAfee Research
157 lines
4.2 KiB
Groff
157 lines
4.2 KiB
Groff
.\" Copyright (c) 2003-2004 Networks Associates Technology, Inc.
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.\" All rights reserved.
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.\"
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.\" This software was developed for the FreeBSD Project by Chris
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.\" Costello at Safeport Network Services and Network Associates
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.\" Laboratories, the Security Research Division of Network Associates,
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.\" Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part
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.\" of the DARPA CHATS research program.
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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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.Dd February 24, 2004
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.Os
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.Dt BSDE_GET_RULE 3
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.Sh NAME
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.Nm bsde_add_rule ,
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.Nm bsde_get_rule ,
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.Nm bsde_set_rule ,
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.Nm bsde_delete_rule
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.Nd "file system firewall rules list management"
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.Sh LIBRARY
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.Lb libugidfw
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.Sh SYNOPSIS
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.In ugidfw.h
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.Ft int
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.Fo bsde_add_rule
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.Fa "int *rulenum" "struct mac_bsdextended_rule *rule"
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.Fa "size_t buflen" "char *errstr"
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.Fc
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.Ft int
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.Fo bsde_get_rule
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.Fa "int rulenum" "struct mac_bsdextended_rule *rule"
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.Fa "size_t errlen" "char *errstr"
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.Fc
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.Ft int
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.Fo bsde_set_rule
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.Fa "int rulenum" "struct mac_bsdextended_rule *rule"
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.Fa "size_t errlen" "char *errstr"
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.Fc
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.Ft int
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.Fn bsde_delete_rule "int rulenum" "size_t errlen" "char *errstr"
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.Sh DESCRIPTION
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The
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.Fn bsde_add_rule
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function fills the next available
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rule (in
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.Vt "struct mac_bsdextended_rule"
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form, either from
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.Fn bsde_get_rule
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or
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.Xr bsde_parse_rule 3 ) .
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If an error occurs,
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.Fa *errstr
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is filled with the error string
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(up to
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.Fa errlen
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characters, including the terminating
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.Dv NUL ) .
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If successful and
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.Fa rulenum
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is non-NULL, the rule number used will be returned in
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.Fa *rulenum .
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.Pp
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The
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.Fn bsde_get_rule
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function fills in
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.Fa *rule
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with the rule numbered
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.Fa rulenum .
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If an error occurs,
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.Fa *errstr
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is filled in with the error string
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(up to
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.Fa errlen
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characters, including the terminating
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.Dv NUL ) .
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.Pp
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The
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.Fn bsde_set_rule
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function fills the slot numbered
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.Fa rulenum
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with the specified rule
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(in
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.Vt "struct mac_bsdextended_rule"
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form, either from
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.Fn bsde_get_rule
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or
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.Xr bsde_parse_rule 3 ) .
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If an error occurs,
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.Fa *errstr
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is filled with the error string
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(up to
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.Fa errlen
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characters, including the terminating
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.Dv NUL ) .
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.Pp
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The
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.Fn bsde_delete_rule
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function deletes the rule numbered
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.Fa rulenum .
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If an error occurs,
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.Fa *errstr
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is filled with the error string
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(up to
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.Fa errlen
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characters, including the terminating
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.Dv NUL ) .
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.Sh RETURN VALUES
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The
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.Fn bsde_get_rule ,
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.Fn bsde_set_rule ,
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and
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.Fn bsde_delete_rule
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functions return 0 if successful;
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otherwise the value \-1 is returned and the value of
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.Fa *errstr
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is filled in as documented in
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.Sx DESCRIPTION .
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.Sh SEE ALSO
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.Xr bsde_get_rule_count 3 ,
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.Xr bsde_get_rule_slots 3 ,
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.Xr bsde_parse_rule 3 ,
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.Xr bsde_parse_rule_string 3 ,
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.Xr bsde_rule_to_string 3 ,
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.Xr libugidfw 3 ,
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.Xr mac_bsdextended 4 ,
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.Xr ugidfw 8
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.Sh AUTHORS
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This software was contributed to the
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.Fx
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Project by Network Associates Labs,
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the Security Research Division of Network Associates
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Inc. under DARPA/SPAWAR contract N66001-01-C-8035
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.Pq Dq CBOSS ,
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as part of the DARPA CHATS research program.
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