2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
124 lines
3.8 KiB
Groff
124 lines
3.8 KiB
Groff
.\" $NetBSD: getnetgrent.3,v 1.12 2003/08/07 16:42:50 agc Exp $
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.\"
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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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.\" 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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.\" @(#)getnetgrent.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd January 16, 1999
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.Dt GETNETGRENT 3
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.Os
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.Sh NAME
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.Nm getnetgrent ,
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.Nm innetgr ,
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.Nm setnetgrent ,
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.Nm endnetgrent
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.Nd netgroup database operations
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In netgroup.h
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.Ft int
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.Fn getnetgrent "const char **host" "const char **user" "const char **domain"
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.Ft int
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.Fn innetgr "const char *netgroup" "const char *host" "const char *user" "const char *domain"
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.Ft void
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.Fn setnetgrent "const char *netgroup"
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.Ft void
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.Fn endnetgrent void
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.Sh DESCRIPTION
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These functions operate on the netgroup database file which is described in
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.Xr netgroup 5 .
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.Pp
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The database defines a set of netgroups, each made up of one or more triples:
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.Bd -literal -offset indent
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(host, user, domain)
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.Ed
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.Pp
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that defines a combination of host, user and domain.
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Any of the three fields may be specified as ``wildcards'' that match any
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string.
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.Pp
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The function
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.Fn getnetgrent
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sets the three pointer arguments to the strings of the next member of the
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current netgroup.
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If any of the string pointers are
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.Dv NULL
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that field is considered a wildcard.
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.Pp
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The functions
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.Fn setnetgrent
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and
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.Fn endnetgrent
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set the current netgroup and terminate the current netgroup respectively.
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If
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.Fn setnetgrent
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is called with a different netgroup than the previous call, an implicit
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.Fn endnetgrent
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is implied.
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.Fn setnetgrent
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also sets the offset to the first member of the netgroup.
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.Pp
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The function
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.Fn innetgr
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searches for a match of all fields within the specified group.
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If any of the
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.Sy host ,
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.Sy user ,
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or
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.Sy domain
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arguments are
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.Dv NULL
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those fields will match any string value in the netgroup member.
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.Sh RETURN VALUES
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The function
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.Fn getnetgrent
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returns 0 for ``no more netgroup members'' and 1 otherwise.
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The function
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.Fn innetgr
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returns 1 for a successful match and 0 otherwise.
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The functions
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.Fn setnetgrent
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and
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.Fn endnetgrent
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have no return value.
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.Sh FILES
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.Bl -tag -width /etc/netgroup -compact
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.It Pa /etc/netgroup
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netgroup database file
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.El
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.Sh SEE ALSO
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.Xr netgroup 5 ,
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.Xr nsswitch.conf 5
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.Sh BUGS
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The function
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.Fn getnetgrent
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returns pointers to dynamically allocated data areas that are free'd when
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the function
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.Fn endnetgrent
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is called.
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