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authorDamien Miller <djm@mindrot.org>2010-05-21 06:58:32 +0200
committerDamien Miller <djm@mindrot.org>2010-05-21 06:58:32 +0200
commitd0e4a8e2e0bc6fcee6cd8486fbcdffaf7d037aed (patch)
treea5e02fcbb2a55a16b877e960edd2b8f1adde8389 /PROTOCOL.certkeys
parent - djm@cvs.openbsd.org 2010/05/20 11:25:26 (diff)
downloadopenssh-d0e4a8e2e0bc6fcee6cd8486fbcdffaf7d037aed.tar.xz
openssh-d0e4a8e2e0bc6fcee6cd8486fbcdffaf7d037aed.zip
- djm@cvs.openbsd.org 2010/05/20 23:46:02
[PROTOCOL.certkeys auth-options.c ssh-keygen.c] Move the permit-* options to the non-critical "extensions" field for v01 certificates. The logic is that if another implementation fails to implement them then the connection just loses features rather than fails outright. ok markus@
Diffstat (limited to 'PROTOCOL.certkeys')
-rw-r--r--PROTOCOL.certkeys35
1 files changed, 24 insertions, 11 deletions
diff --git a/PROTOCOL.certkeys b/PROTOCOL.certkeys
index 0fa5748f3..81b02a078 100644
--- a/PROTOCOL.certkeys
+++ b/PROTOCOL.certkeys
@@ -131,7 +131,7 @@ must refuse to authorise a key that has an unrecognised option.
extensions is a set of zero or more optional extensions. These extensions
are not critical, and an implementation that encounters one that it does
-not recognise may safely ignore it. No extensions are defined at present.
+not recognise may safely ignore it.
The reserved field is currently unused and is ignored in this version of
the protocol.
@@ -172,6 +172,28 @@ force-command string Specifies a command that is executed
ssh command-line) whenever this key is
used for authentication.
+source-address string Comma-separated list of source addresses
+ from which this certificate is accepted
+ for authentication. Addresses are
+ specified in CIDR format (nn.nn.nn.nn/nn
+ or hhhh::hhhh/nn).
+ If this option is not present then
+ certificates may be presented from any
+ source address.
+
+Extensions
+----------
+
+The extensions section of the certificate specifies zero or more
+non-critical certificate extensions. The encoding of extensions in this
+field is identical to that of the critical options. If an implementation
+does not recognise an extension, then it should ignore it.
+
+The supported extensions and the contents and structure of their data
+fields are:
+
+Name Format Description
+-----------------------------------------------------------------------------
permit-X11-forwarding empty Flag indicating that X11 forwarding
should be permitted. X11 forwarding will
be refused if this option is absent.
@@ -196,13 +218,4 @@ permit-user-rc empty Flag indicating that execution of
of this script will not be permitted if
this option is not present.
-source-address string Comma-separated list of source addresses
- from which this certificate is accepted
- for authentication. Addresses are
- specified in CIDR format (nn.nn.nn.nn/nn
- or hhhh::hhhh/nn).
- If this option is not present then
- certificates may be presented from any
- source address.
-
-$OpenBSD: PROTOCOL.certkeys,v 1.5 2010/05/01 02:50:50 djm Exp $
+$OpenBSD: PROTOCOL.certkeys,v 1.6 2010/05/20 23:46:02 djm Exp $