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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
commit | be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da (patch) | |
tree | a18a706dffa5baf86a3b12bbfb4f81caa097f349 /lib/libc/gen/getnetgrent.3 | |
parent | 2a27bd86e6002c871e3b5561a5334653bb222a77 (diff) | |
download | FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.zip FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.tar.gz |
BSD 4.4 Lite Lib Sources
Diffstat (limited to 'lib/libc/gen/getnetgrent.3')
-rw-r--r-- | lib/libc/gen/getnetgrent.3 | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/libc/gen/getnetgrent.3 b/lib/libc/gen/getnetgrent.3 new file mode 100644 index 0000000..1e38538 --- /dev/null +++ b/lib/libc/gen/getnetgrent.3 @@ -0,0 +1,128 @@ +.\" Copyright (c) 1992, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)getnetgrent.3 8.1 (Berkeley) 6/4/93 +.\" +.Dd June 4, 1993 +.Dt GETNETGRENT 3 +.Os +.Sh NAME +.Nm getnetgrent , +.Nm innetgr , +.Nm setnetgrent , +.Nm endnetgrent +.Nd netgroup database operations +.Sh SYNOPSIS +.Ft int +.Fn getnetgrent "char **host, char **user, char **domain" +.Ft int +.Fn innetgr "const char *netgroup, const char *host, const char *user, const char *domain" +.Ft void +.Fn setnetgrent "const char *netgroup" +.Ft void +.Fn endnetgrent void +.Sh DESCRIPTION +These functions operate on the netgroup database file +.Pa /etc/netgroup +which is described +in +.Xr netgroup 5 . +The database defines a set of netgroups, each made up of one or more triples: +.Bd -literal -offset indent +(host, user, domain) +.Ed +that defines a combination of host, user and domain. +Any of the three fields may be specified as ``wildcards'' that match any +string. +.Pp +The function +.Fn getnetgrent +sets the three pointer arguments to the strings of the next member of the +current netgroup. +If any of the string pointers are +.Sy (char *)0 +that field is considered a wildcard. +.Pp +The functions +.Fn setnetgrent +and +.Fn endnetgrent +set the current netgroup and terminate the current netgroup respectively. +If +.Fn setnetgrent +is called with a different netgroup than the previous call, an implicit +.Fn endnetgrent +is implied. +.Fn Setnetgrent +also sets the offset to the first member of the netgroup. +.Pp +The function +.Fn innetgr +searches for a match of all fields within the specified group. +If any of the +.Sy host , +.Sy user , +or +.Sy domain +arguments are +.Sy (char *)0 +those fields will match any string value in the netgroup member. +.Sh RETURN VALUES +The function +.Fn getnetgrent +returns 0 for ``no more netgroup members'' and 1 otherwise. +The function +.Fn innetgr +returns 1 for a successful match and 0 otherwise. +The functions +.Fn setnetgrent +and +.Fn endnetgrent +have no return value. +.Sh FILES +.Bl -tag -width /etc/netgroup -compact +.It Pa /etc/netgroup +netgroup database file +.El +.Sh SEE ALSO +.Fn netgroup 5 +.Sh COMPATIBILITY +The netgroup members have three string fields to maintain compatibility +with other vendor implementations, however it is not obvious what use the +.Sy domain +string has within BSD. +.Sh BUGS +The function +.Fn getnetgrent +returns pointers to dynamically allocated data areas that are free'd when +the function +.Fn endnetgrent +is called. |