NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | FILES | ATTRIBUTES | SEE ALSO | COMPATIBILITY | BUGS | RESTRICTIONS
These functions operate on the netgroup database file /etc/netgroup which is described in netgroup(4CC) . The database defines a set of netgroups, each made up of one or more triples:
(host, user, domain)
which define a combination of host, user and domain. Any of the three fields may be specified as ``wildcards'' which match any string.
The getnetgrent function sets the three pointer arguments to the strings of the next member of the current netgroup. If any of the string pointers are (char *)0 that field is considered a wildcard.
The setnetgrent and endnetgrent functions set the current netgroup and terminate the current netgroup, respectively. If setnetgrent is called with a different netgroup from the previous call, an endnetgrent is implied. The setnetgrent function also sets the offset to the first member of the netgroup.
The innetgr function searches for a match of all fields within the specified group. If any of the host or domain arguments are (char *)0 those fields will match any string value in the netgroup member.
The getnetgrent function returns 0 for ``no more netgroup members'' and 1 otherwise. The innetgr function returns 1 for a successful match and 0 otherwise. The setnetgrent and endnetgrent functions have no return value.
/etc/netgroup netgroup database file
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Interface Stability | Evolving |
The netgroup members have three string fields to maintain compatibility with other vendor implementations. However, the applicability of the domain string within BSD is unclear.
The getnetgrent function returns pointers to dynamically allocated data areas that are freed when the endnetgrent function is called.
These library calls do not support multi-threaded applications.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | FILES | ATTRIBUTES | SEE ALSO | COMPATIBILITY | BUGS | RESTRICTIONS