diff options
| -rw-r--r-- | share/man/man5/nsswitch.conf.5 | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/share/man/man5/nsswitch.conf.5 b/share/man/man5/nsswitch.conf.5 index 48203fa..c963d97 100644 --- a/share/man/man5/nsswitch.conf.5 +++ b/share/man/man5/nsswitch.conf.5 @@ -48,9 +48,9 @@ file specifies how the .Pp The configuration file controls how a process looks up various databases containing information regarding hosts, users (passwords), groups, etc. -Each database comes from a source (such as local files, DNS, and -.Tn NIS ) , -and the order to look up the sources is specified in +Each database comes from a source (such as local files, DNS, +.Tn NIS , +and cache), and the order to look up the sources is specified in .Nm . .Pp Each entry in @@ -93,6 +93,10 @@ and .Dq group databases. If this is present, it must be the only source for that entry. +.It cache +makes use of the +.Xr cached 8 +daemon. .El .Ss Databases The following databases are used by the following C library functions: @@ -110,6 +114,12 @@ The following databases are used by the following C library functions: .Xr getpwent 3 .It shells .Xr getusershell 3 +.It services +.Xr getservent 3 +.It rpc +.Xr getrpcent 3 +.It proto +.Xr getprotobyname 3 .El .Ss Status codes The following status codes are available: @@ -177,6 +187,25 @@ The default criteria is to return on .Dq success , and continue on anything else (i.e, .Li "[success=return notfound=continue unavail=continue tryagain=continue]" ) . +.Ss Cache +You can enable caching for the particular database by specifying +.Dq cache +as the first source in the +.Xr nsswitch.conf 5 +file. +You should also enable caching for this database in +.Xr cached.conf 5 . +If for the particular query +.Dq cache +source returns success, no further sources are queried. +On the other hand, if there are no previously cached data, the +query result will be placed into the cache right after +all other sources are processed. +Note, that +.Dq cache +requires +.Xr cached 8 +daemon to be running. .Ss Compat mode: +/- syntax In historical multi-source implementations, the .Sq + @@ -231,7 +260,7 @@ will default to an entry of for the requested database. Exceptions are: .Pp -.Bl -tag -width passwd_compat -compact +.Bl -tag -width services_compat -compact .It Sy Database .Sy "Default source list" .It group @@ -244,6 +273,10 @@ files dns compat .It passwd_compat nis +.It services +compat +.It services_compat +nis .El .Sh FILES .Bl -tag -width /etc/nsswitch.conf -compact @@ -254,7 +287,7 @@ resides in .Pa /etc . .El .Sh EXAMPLES -To lookup hosts in +To lookup hosts in cache, then in .Pa /etc/hosts and then from the DNS, and lookup user information from .Tn NIS @@ -262,7 +295,7 @@ then files, use: .Pp .Bl -tag -width passwd: -compact .It hosts: -files dns +cache files dns .It passwd: nis [notfound=return] files .It group: @@ -284,7 +317,9 @@ entries. .Xr nsdispatch 3 , .Xr resolv.conf 5 , .Xr named 8 , -.Xr ypbind 8 +.Xr ypbind 8 , +.Xr cached 8 , +.Xr cached.conf 5 .Sh HISTORY The .Nm |
