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-rw-r--r--doc/guix.texi20
-rw-r--r--gnu/services/vpn.scm6
2 files changed, 17 insertions, 9 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 99068fccfa..d021384b73 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -24909,14 +24909,18 @@ Defaults to @samp{tun}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-client-configuration} parameter} string ca
+If you do not have some of these files (eg.@: you use a username and
+password), you can disable any of the following three fields by setting
+it to @code{'disabled}.
+
+@deftypevr {@code{openvpn-client-configuration} parameter} maybe-string ca
 The certificate authority to check connections against.
 
 Defaults to @samp{"/etc/openvpn/ca.crt"}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-client-configuration} parameter} string cert
+@deftypevr {@code{openvpn-client-configuration} parameter} maybe-string cert
 The certificate of the machine the daemon is running on.  It should be
 signed by the authority given in @code{ca}.
 
@@ -24924,7 +24928,7 @@ Defaults to @samp{"/etc/openvpn/client.crt"}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-client-configuration} parameter} string key
+@deftypevr {@code{openvpn-client-configuration} parameter} maybe-string key
 The key of the machine the daemon is running on.  It must be the key whose
 certificate is @code{cert}.
 
@@ -25060,14 +25064,18 @@ Defaults to @samp{tun}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-server-configuration} parameter} string ca
+If you do not have some of these files (eg.@: you use a username and
+password), you can disable any of the following three fields by setting
+it to @code{'disabled}.
+
+@deftypevr {@code{openvpn-server-configuration} parameter} maybe-string ca
 The certificate authority to check connections against.
 
 Defaults to @samp{"/etc/openvpn/ca.crt"}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-server-configuration} parameter} string cert
+@deftypevr {@code{openvpn-server-configuration} parameter} maybe-string cert
 The certificate of the machine the daemon is running on.  It should be
 signed by the authority given in @code{ca}.
 
@@ -25075,7 +25083,7 @@ Defaults to @samp{"/etc/openvpn/client.crt"}.
 
 @end deftypevr
 
-@deftypevr {@code{openvpn-server-configuration} parameter} string key
+@deftypevr {@code{openvpn-server-configuration} parameter} maybe-string key
 The key of the machine the daemon is running on.  It must be the key whose
 certificate is @code{cert}.
 
diff --git a/gnu/services/vpn.scm b/gnu/services/vpn.scm
index 658d5c3e88..70f2617c7e 100644
--- a/gnu/services/vpn.scm
+++ b/gnu/services/vpn.scm
@@ -273,16 +273,16 @@ servers.")
     "The device type used to represent the VPN connection.")
 
    (ca
-    (string "/etc/openvpn/ca.crt")
+    (maybe-string "/etc/openvpn/ca.crt")
     "The certificate authority to check connections against.")
 
    (cert
-    (string "/etc/openvpn/client.crt")
+    (maybe-string "/etc/openvpn/client.crt")
     "The certificate of the machine the daemon is running on. It should be signed
 by the authority given in @code{ca}.")
 
    (key
-    (string "/etc/openvpn/client.key")
+    (maybe-string "/etc/openvpn/client.key")
     "The key of the machine the daemon is running on. It must be the key whose
 certificate is @code{cert}.")