Document ldap_tls_cacertfile and ldap_tls_depth options (EJAB-1299)

diff --git a/doc/guide.tex b/doc/guide.tex
index 7ba14a56dcb1bb75e610fcc43990725b11a0937a..248e2d454a57147d1d50848c98d162e0e24b1be7 100644 (file)
--- a/doc/guide.tex
+++ b/doc/guide.tex
@@ -2254,6 +2254,16 @@ This option specifies whether to verify LDAP server certificate or not when TLS
 When \term{hard} is enabled \ejabberd{} doesn't proceed if a certificate is invalid.
 When \term{soft} is enabled \ejabberd{} proceeds even if check fails.
 The default is \term{false} which means no checks are performed.
+\titem{\{ldap\_tls\_cacertfile, Path\}} \ind{options!ldap\_tls\_cacertfile}
+Path to file containing PEM encoded CA certificates. This option is needed
+(and required) when TLS verification is enabled.
+\titem{\{ldap\_tls\_depth, Number\}} \ind{options!ldap\_tls\_depth}
+Specifies the maximum verification depth when TLS verification is enabled,
+i.e. how far in a chain of certificates the verification process can proceed
+before the verification is considered to fail.
+Peer certificate = 0, CA certificate = 1, higher level CA certificate = 2, etc.
+The value 2 thus means that a chain can at most contain peer cert,
+CA cert, next CA cert, and an additional CA cert. The default value is 1.
 \titem{\{ldap\_port, Number\}} \ind{options!ldap\_port}Port to connect to your LDAP server.
 The default port is~389 if encryption is disabled; and 636 if encryption is enabled.
 If you configure a value, it is stored in \ejabberd{}'s database.