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Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
74 lines
3.2 KiB
C
74 lines
3.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1992 Keith Muller.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Keith Muller of the University of California, San Diego.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)cache.h 8.1 (Berkeley) 5/31/93
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* $FreeBSD$
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*/
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/*
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* Constants and data structures used to implement group and password file
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* caches. Traditional passwd/group cache routines perform quite poorly with
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* archives. The chances of hitting a valid lookup with an archive is quite a
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* bit worse than with files already resident on the file system. These misses
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* create a MAJOR performance cost. To address this problem, these routines
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* cache both hits and misses.
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*
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* NOTE: name lengths must be as large as those stored in ANY PROTOCOL and
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* as stored in the passwd and group files. CACHE SIZES MUST BE PRIME
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*/
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#define UNMLEN 32 /* >= user name found in any protocol */
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#define GNMLEN 32 /* >= group name found in any protocol */
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#define UID_SZ 317 /* size of user_name/uid cache */
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#define UNM_SZ 317 /* size of user_name/uid cache */
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#define GID_SZ 251 /* size of gid cache */
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#define GNM_SZ 317 /* size of group name cache */
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#define VALID 1 /* entry and name are valid */
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#define INVALID 2 /* entry valid, name NOT valid */
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/*
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* Node structures used in the user, group, uid, and gid caches.
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*/
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typedef struct uidc {
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int valid; /* is this a valid or a miss entry */
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char name[UNMLEN]; /* uid name */
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uid_t uid; /* cached uid */
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} UIDC;
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typedef struct gidc {
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int valid; /* is this a valid or a miss entry */
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char name[GNMLEN]; /* gid name */
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gid_t gid; /* cached gid */
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} GIDC;
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