[openssh-commits] [openssh] branch master updated: upstream: Prime caches for DNS names needed for tests.

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dtucker pushed a commit to branch master
in repository openssh.

The following commit(s) were added to refs/heads/master by this push:
     new 9c90b563 upstream: Prime caches for DNS names needed for tests.
9c90b563 is described below

commit 9c90b563943c16418d737433ac478974b8761ee5
Author: dtucker at openbsd.org <dtucker at openbsd.org>
AuthorDate: Tue Mar 11 11:46:44 2025 +0000

    upstream: Prime caches for DNS names needed for tests.
    
    When running the SSHFP tests, particularly on an ephemeral VM, the first
    query or two can fail for some reason, presumably because something isn't
    fully initialized or something.  To work around this, issue queries for the
    names we'll need before we need them.
    
    OpenBSD-Regress-ID: 900841133540e7dead253407db5a874a6ed09eca
---
 regress/sshfp-connect.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/regress/sshfp-connect.sh b/regress/sshfp-connect.sh
index f7864692..3c73a35d 100644
--- a/regress/sshfp-connect.sh
+++ b/regress/sshfp-connect.sh
@@ -1,4 +1,4 @@
-#	$OpenBSD: sshfp-connect.sh,v 1.4 2021/09/01 00:50:27 dtucker Exp $
+#	$OpenBSD: sshfp-connect.sh,v 1.5 2025/03/11 11:46:44 dtucker Exp $
 #	Placed in the Public Domain.
 
 # This test requires external setup and thus is skipped unless
@@ -29,6 +29,12 @@ if ! $SSH -Q key-plain | grep ssh-rsa >/dev/null; then
 elif [ -z "${TEST_SSH_SSHFP_DOMAIN}" ]; then
 	skip "TEST_SSH_SSHFP_DOMAIN not set."
 else
+	# Prime any DNS caches and resolvers.
+	for i in sshtest sshtest-sha1 sshtest-sha256; do
+		host -t sshfp ${i}.${TEST_SSH_SSHFP_DOMAIN} >/dev/null 2>&1
+		host -t sshfp ${i}-bad.${TEST_SSH_SSHFP_DOMAIN} >/dev/null 2>&1
+	done
+
 	# Set RSA host key to match fingerprints above.
 	mv $OBJ/sshd_proxy $OBJ/sshd_proxy.orig
 	$SUDO cp $SRC/rsa_openssh.prv $OBJ/host.ssh-rsa

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