Change strtok() to strsep(), cause memory corruption for all
programs which use strtok() too in the same time.
Fix potential NULL reference, depends of /etc/hosts.conf format
Fix the bug when service name fetched always from beginning of the line,
not from parsed token.
programs which use strtok() too in the same time.
Fix potential NULL reference, depends of /etc/hosts.conf format
Fix the bug when service name fetched always from beginning of the line,
not from parsed token.
remapping mechanism in the following manner: if given an entry +@foo
and there is no netgroup named 'foo,' try searching for a regular
user group called 'foo' and build the cache using the members of
group 'foo' instead. If both a netgroup 'foo' and a user group 'foo'
exist, the 'foo' netgroup takes precedence, since we're primarily
interested in netgroup matching anyway.
This allows access control schemes based on ordinary user groups
(which are also available via NIS) rather than netgroups, since
netgroups on some systems are limited in really brain-damaged ways.
Note: if you put +::0:0:::::: in /etc/master.passwd as your only NIS
entry, it will cause all NIS uids and gids to be remapped to zero. This
is *intentional*. That's the way it's supposed to work. Enabling NIS with
no remapping at all is done with +:::::::::, not +::0:0::::::. Similarly,
+:::::::::/bin/csh will remap the shells of all NIS users to /bin/csh.
Or, you could do +wpaul:::::::::/bin/csh to remap NIS user wpaul's shell
to /bin/csh but leave everyone else alone.
ypserv to do a yp_match() with an a null or empty key causes much havok.
(Note that this could be construed as a denial of service attack if used
maliciously.)
my network because setnetgrent() was trying to do a lookup on group "".
It seems that an attempt to do a yp_match() (and possible yp_next())
on a null or empty key causes Sun's ypserv in SunOS 4.1.3 to exit
suddenly (and without warning). Our ypserv behaves badly in this
situation too, thoush it doesn't appear to crash. In any event, getpwent,
getnetgrent and yp_match() and yp_next() are now extra careful not to
accidentally pass on null or empty arguments.
Also made a small change to getpwent.c to allow +::::::::: wildcarding,
which I had disabled previously.
in.c: when an interface address is deleted, keep its multicast membership
. records (attached to a struct multi_kludge) for attachment to the
. next address on the same interface. Also, in_multi structures now
. gain a reference to the ifaddr so that they won't point off into
. freed memory if an interface goes away and doesn't come back before
. the last socket reference drops. This is analogous to how it is
. done for routes, and seems to make the most sense.
- Have the +@netgroup/-@netgroup caches handle the +user/-user cases too.
- Clean up getpwent() to take advantage of the improved +user/-user handling.
