summaryrefslogtreecommitdiffstats
path: root/crypto
diff options
context:
space:
mode:
authordes <des@FreeBSD.org>2013-09-10 22:30:22 +0000
committerdes <des@FreeBSD.org>2013-09-10 22:30:22 +0000
commitc960286445eb68fac5bb495df021d0dcf22ec4de (patch)
treef38c99ce2b414f0d4c266e8e44a6ef9114b9c80a /crypto
parent2a9ec0fc3edd2edc5766e11fa312e8ab8a128d5f (diff)
downloadFreeBSD-src-c960286445eb68fac5bb495df021d0dcf22ec4de.zip
FreeBSD-src-c960286445eb68fac5bb495df021d0dcf22ec4de.tar.gz
Change the default value of VerifyHostKeyDNS to "yes" if compiled with
LDNS. With that setting, OpenSSH will silently accept host keys that match verified SSHFP records. If an SSHFP record exists but could not be verified, OpenSSH will print a message and prompt the user as usual. Approved by: re (blanket)
Diffstat (limited to 'crypto')
-rw-r--r--crypto/openssh/readconf.c6
-rw-r--r--crypto/openssh/ssh_config1
-rw-r--r--crypto/openssh/ssh_config.55
3 files changed, 11 insertions, 1 deletions
diff --git a/crypto/openssh/readconf.c b/crypto/openssh/readconf.c
index 2543d68..c99ea66 100644
--- a/crypto/openssh/readconf.c
+++ b/crypto/openssh/readconf.c
@@ -1435,8 +1435,14 @@ fill_default_options(Options * options)
options->enable_ssh_keysign = 0;
if (options->rekey_limit == -1)
options->rekey_limit = 0;
+#if HAVE_LDNS
+ if (options->verify_host_key_dns == -1)
+ /* automatically trust a verified SSHFP record */
+ options->verify_host_key_dns = 1;
+#else
if (options->verify_host_key_dns == -1)
options->verify_host_key_dns = 0;
+#endif
if (options->server_alive_interval == -1)
options->server_alive_interval = 0;
if (options->server_alive_count_max == -1)
diff --git a/crypto/openssh/ssh_config b/crypto/openssh/ssh_config
index 2917477..67b5d9f 100644
--- a/crypto/openssh/ssh_config
+++ b/crypto/openssh/ssh_config
@@ -46,4 +46,5 @@
# PermitLocalCommand no
# VisualHostKey no
# ProxyCommand ssh -q -W %h:%p gateway.example.com
+# VerifyHostKeyDNS yes
# VersionAddendum FreeBSD-20130515
diff --git a/crypto/openssh/ssh_config.5 b/crypto/openssh/ssh_config.5
index 4cbaee9..4521f40 100644
--- a/crypto/openssh/ssh_config.5
+++ b/crypto/openssh/ssh_config.5
@@ -1219,7 +1219,10 @@ The argument must be
or
.Dq ask .
The default is
-.Dq no .
+.Dq yes
+if compiled with LDNS and
+.Dq no
+otherwise.
Note that this option applies to protocol version 2 only.
.Pp
See also
OpenPOWER on IntegriCloud