Refactor the protocol NSM checks for flexibility

* doc/emacs/misc.texi (Network Security): Mention
network-security-protocol-checks.

* lisp/net/nsm.el (network-security-protocol-checks): New variable.
(nsm-check-protocol): Refactor the checks into separate functions
for greater flexibility.
(nsm-protocol-check--diffie-hellman-prime-bits)
(nsm-protocol-check--rc4, nsm-protocol-check--ssl)
(nsm-protocol-check--signature-sha1): Refactored out of the big
function.

1 files changed, 5 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 12757f61d20..8ee4831b6ed 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -131,6 +131,11 @@ used to remove comments before calling the libxml functions to parse
 the data.
 
 +++
+** The Network Security Manager now allows more fine-grained control
+of what checks to run via the `network-security-protocol-checks'
+variable.
+
++++
 ** New function 'fill-polish-nobreak-p', to be used in 'fill-nobreak-predicate'.
 It blocks line breaking after a one-letter word, also in the case when
 this word is preceded by a non-space, but non-alphanumeric character.