- rename OPTDB to OPTIMIZE_DB
- if OPTIMIZE_DB, in ypdb_open(), close a database if the open failed
with ENFILE or EMFILE [from openbsd].
- because of the above, don't bother checking first if any FDs are
available (with open("/", RDONLY) - it's a superfluous check.
- ensure that *map_info is set if a database was a cached open -
without this fix OPTIMIZE_DB didn't work too well...
- enable OPTIMIZE_DB by default - should speed up lookups
secure map support:
- add ypdb_secure(), which returns non-zero if the map has the YP_SECURE
private key set (which makedbm(8) -s adds) [from openbsd]
- modify various functions to check if a map is secure, and if so,
refuse to serve information to clients not requesting from an
IPPORT_RESERVED port [from openbsd]
- ensure that domainnames and map names are valid (don't contain
"/"'s, aren't too long, etc) [idea from openbsd, but using our
_yp_invalid_domain() et al, which does more checking.]
misc:
- add rcsid's
- implement _yp_invalid_map() (complements _yp_invalid_domain() in
libc - eventually _yp_invalid_map() may move to libc...)
- use %#x instead of 0x%x in debug log messages
follow our formatting convetions.
- add support for aliases, amd.home, master.passwd and netgroup maps
[initially from openbsd, reworked as above]
- if INSECURE != "yes" then the passwd.by* maps will not contain the
encrypted version of the passwd - privileged clients will request
info from the master.passwd.by* maps.
FreeBSD originally implemented this, and & OpenBSD supports it too.
[from openbsd].
By default, passwd maps are INSECURE, but in a *BSD-only environment,
this could be disabled to allow for a [slightly] higher degree of
security from non-root users...
if the initial open fails with EFTYPE. if a different database
format is found to be more efficient, just add the code to open it
prior to that of the other formats; this maintains backward
compatibility with older databases whilst providing new functionality...
- add rcsid's
Syntax is like the `file' keyword; e.g.:
object arch/i386/i386/mumble.o [mumble] [needs-flag]
Largely from Michael Richardson in PR 3833, with some changes by me.
hubertf