expand cyrus_sasl server_realm option

[exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 46a92dee98255879044c686d1625d751427a06be..b45f0c51a093792783eddd600c014d2bca41dbe8 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -1868,6 +1868,14 @@ SUPPORT_TLS=yes
 TLS_LIBS=-L/usr/local/openssl/lib -lssl -lcrypto
 TLS_INCLUDE=-I/usr/local/openssl/include/
 .endd
+.new
+.cindex "pkg-config" "OpenSSL"
+If you have &'pkg-config'& available, then instead you can just use:
+.code
+SUPPORT_TLS=yes
+USE_OPENSSL_PC=openssl
+.endd
+.wen
 .cindex "USE_GNUTLS"
 If GnuTLS is installed, you should set
 .code
@@ -1883,6 +1891,16 @@ USE_GNUTLS=yes
 TLS_LIBS=-L/usr/gnu/lib -lgnutls -ltasn1 -lgcrypt
 TLS_INCLUDE=-I/usr/gnu/include
 .endd
+.new
+.cindex "pkg-config" "GnuTLS"
+If you have &'pkg-config'& available, then instead you can just use:
+.code
+SUPPORT_TLS=yes
+USE_GNUTLS=yes
+USE_GNUTLS_PC=gnutls
+.endd
+.wen
+
 You do not need to set TLS_INCLUDE if the relevant directory is already
 specified in INCLUDE. Details of how to configure Exim to make use of TLS are
 given in chapter &<<CHAPTLS>>&.
@@ -2111,7 +2129,8 @@ binary, attempts to configure Exim to use it cause run time configuration
 errors.
 
 .new
-.cindex "pkg-config" "specifying"
+.cindex "pkg-config" "lookups"
+.cindex "pkg-config" "authenticators"
 Many systems now use a tool called &'pkg-config'& to encapsulate information
 about how to compile against a library; Exim has some initial support for
 being able to use pkg-config for lookups and authenticators.  For any given
@@ -11805,6 +11824,16 @@ command in a filter file. Its use is explained in the description of that
 command, which can be found in the separate document entitled &'Exim's
 interfaces to mail filtering'&.
 
+.new
+.vitem &$tls_bits$&
+.vindex "&$tls_bits$&"
+Contains an approximation of the TLS cipher's bit-strength; the meaning of
+this depends upon the TLS implementation used.
+If TLS has not been negotiated, the value will be 0.
+The value of this is automatically fed into the Cyrus SASL authenticator
+when acting as a server, to specify the "external SSF" (a SASL term).
+.wen
+
 .vitem &$tls_certificate_verified$&
 .vindex "&$tls_certificate_verified$&"
 This variable is set to &"1"& if a TLS certificate was verified when the
@@ -24264,8 +24293,10 @@ sasl:
   server_set_id = $auth1
 .endd
 
-.option server_realm cyrus_sasl string unset
+.new
+.option server_realm cyrus_sasl string&!! unset
 This specifies the SASL realm that the server claims to be in.
+.wen
 
 
 .option server_service cyrus_sasl string &`smtp`&