.TH LDAP.CONF 5 "RELEASEDATE" "OpenLDAP LDVERSION"
.\" $OpenLDAP$
-.\" Copyright 1998-2007 The OpenLDAP Foundation All Rights Reserved.
+.\" Copyright 1998-2009 The OpenLDAP Foundation All Rights Reserved.
.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
.SH NAME
-ldap.conf, .ldaprc \- ldap configuration file
+ldap.conf, .ldaprc \- LDAP configuration file/environment variables
.SH SYNOPSIS
-ETCDIR/ldap.conf, .ldaprc
+ETCDIR/ldap.conf, ldaprc, .ldaprc, $LDAP<option-name>
.SH DESCRIPTION
If the environment variable \fBLDAPNOINIT\fP is defined, all
defaulting is disabled.
For example, to define \fBBASE\fP via the environment, set the variable
\fBLDAPBASE\fP to the desired value.
.LP
-Some options are user\-only. Such options are ignored if present
+Some options are user-only. Such options are ignored if present
in the
.I ldap.conf
(or file specified by
.BR LDAPCONF ).
+.LP
+Thus the following files and variables are read, in order:
+.nf
+ variable $LDAPNOINIT, and if that is not set:
+ system file ETCDIR/ldap.conf,
+ user files $HOME/ldaprc, $HOME/.ldaprc, ./ldaprc,
+ system file $LDAPCONF,
+ user files $HOME/$LDAPRC, $HOME/.$LDAPRC, ./$LDAPRC,
+ variables $LDAP<option-name>.
+.fi
+Settings late in the list override earlier ones.
.SH OPTIONS
The configuration options are case-insensitive;
their value, on a case by case basis, may be case-sensitive.
.B BINDDN <dn>
Specifies the default bind DN to use when performing ldap operations.
The bind DN must be specified as a Distinguished Name in LDAP format.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B DEREF <when>
Specifies how alias dereferencing is done when performing a search. The
.\"Determines whether the library should implicitly restart connections (FIXME).
.TP
.B SIZELIMIT <integer>
-Specifies a size limit to use when performing searches. The
-number should be a non-negative integer. \fISIZELIMIT\fP of zero (0)
-specifies unlimited search size.
+Specifies a size limit (number of entries) to use when performing searches.
+The number should be a non-negative integer. \fISIZELIMIT\fP of zero (0)
+specifies a request for unlimited search size. Please note that the server
+may still apply any server-side limit on the amount of entries that can be
+returned by a search operation.
.TP
.B TIMELIMIT <integer>
-Specifies a time limit to use when performing searches. The
-number should be a non-negative integer. \fITIMELIMIT\fP of zero (0)
-specifies unlimited search time to be used.
+Specifies a time limit (in seconds) to use when performing searches.
+The number should be a non-negative integer. \fITIMELIMIT\fP of zero (0)
+specifies unlimited search time to be used. Please note that the server
+may still apply any server-side limit on the duration of a search operation.
.B VERSION {2|3}
Specifies what version of the LDAP protocol should be used.
.TP
.TP
.B SASL_MECH <mechanism>
Specifies the SASL mechanism to use.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B SASL_REALM <realm>
Specifies the SASL realm.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B SASL_AUTHCID <authcid>
Specifies the authentication identity.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B SASL_AUTHZID <authcid>
Specifies the proxy authorization identity.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B SASL_SECPROPS <properties>
Specifies Cyrus SASL security properties. The
specifies the maximum security layer receive buffer
size allowed. 0 disables security layers. The default is 65536.
.RE
+.SH GSSAPI OPTIONS
+If OpenLDAP is built with Generic Security Services Application Programming Interface support,
+there are more options you can specify.
+.TP
+.B GSSAPI_SIGN <on/true/yes/off/false/no>
+Specifies if GSSAPI signing (GSS_C_INTEG_FLAG) should be used.
+The default is off.
+.TP
+.B GSSAPI_ENCRYPT <on/true/yes/off/false/no>
+Specifies if GSSAPI encryption (GSS_C_INTEG_FLAG and GSS_C_CONF_FLAG)
+should be used. The default is off.
+.TP
+.B GSSAPI_ALLOW_REMOTE_PRINCIPAL <on/true/yes/off/false/no>
+Specifies if GSSAPI based authentification should try to form the
+target principal name out of the ldapServiceName or dnsHostName
+attribute of the targets RootDSE entry. The default is off.
.SH TLS OPTIONS
If OpenLDAP is built with Transport Layer Security support, there
are more options you can specify. These options are used when an
.B TLS_CACERT
is always used before
.B TLS_CACERTDIR.
+This parameter is ignored with GNUtls.
.TP
.B TLS_CERT <filename>
Specifies the file that contains the client certificate.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B TLS_KEY <filename>
Specifies the file that contains the private key that matches the certificate
.B TLS_CERT
file. Currently, the private key must not be protected with a password, so
it is of critical importance that the key file is protected carefully.
-.B This is a user\-only option.
+.B This is a user-only option.
.TP
.B TLS_CIPHER_SUITE <cipher-suite-spec>
Specifies acceptable cipher suite and preference order.
<cipher-suite-spec> should be a cipher specification for OpenSSL,
e.g., HIGH:MEDIUM:+SSLv2.
+
+To check what ciphers a given spec selects, use:
+
+.nf
+ openssl ciphers \-v <cipher-suite-spec>
+.fi
+
+To obtain the list of ciphers in GNUtls use:
+
+.nf
+ gnutls-cli \-l
+.fi
.TP
.B TLS_RANDFILE <filename>
Specifies the file to obtain random bits from when /dev/[u]random is
not available. Generally set to the name of the EGD/PRNGD socket.
The environment variable RANDFILE can also be used to specify the filename.
+This parameter is ignored with GNUtls.
.TP
.B TLS_REQCERT <level>
Specifies what checks to perform on server certificates in a TLS session,
used to verify if the server certificates have not been revoked. This
requires
.B TLS_CACERTDIR
-parameter to be set.
+parameter to be set. This parameter is ignored with GNUtls.
.B <level>
can be specified as one of the following keywords:
.RS
.B all
Check the CRL for a whole certificate chain
.RE
+.TP
+.B TLS_CRLFILE <filename>
+Specifies the file containing a Certificate Revocation List to be used
+to verify if the server certificates have not been revoked. This
+parameter is only supported with GNUtls.
.SH "ENVIRONMENT VARIABLES"
.TP
LDAPNOINIT
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