upstream: Add a function to skip remaining tests.

Many tests skip tests for various reasons but not in a consistent way and
don't always clean up, so add that and switch the tests that do that over.

OpenBSD-Regress-ID: 72d2ec90a3ee8849486956a808811734281af735

regress/agent-getpeereid.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: agent-getpeereid.sh,v 1.11 2019/11/26 23:43:10 djm Exp $
+#	$OpenBSD: agent-getpeereid.sh,v 1.13 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="disallow agent attach from other uid"
@@ -10,19 +10,15 @@ SSH_AUTH_SOCK=/nonexistent
 if config_defined HAVE_GETPEEREID HAVE_GETPEERUCRED HAVE_SO_PEERCRED ; then
 	:
 else
-	echo "skipped (not supported on this platform)"
-	exit 0
+	skip "skipped (not supported on this platform)"
 fi
 case "x$SUDO" in
 	xsudo) sudo=1;;
 	xdoas|xdoas\ *) ;;
 	x)
-		echo "need SUDO to switch to uid $UNPRIV"
-		echo SKIPPED
-		exit 0 ;;
+		skip "need SUDO to switch to uid $UNPRIV" ;;
 	*)
-		echo "unsupported $SUDO - "doas" and "sudo" are allowed"
-		exit 0 ;;
+		skip "unsupported $SUDO - "doas" and "sudo" are allowed" ;;
 esac
 
 trace "start agent"

regress/keys-command.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: keys-command.sh,v 1.6 2019/07/25 08:48:11 dtucker Exp $
+#	$OpenBSD: keys-command.sh,v 1.7 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="authorized keys from command"
@@ -77,5 +77,5 @@ if [ -x $KEY_COMMAND ]; then
 		fail "connect failed"
 	fi
 else
-	echo "SKIPPED: $KEY_COMMAND not executable (/var/run mounted noexec?)"
+	skip "$KEY_COMMAND not executable (/var/run mounted noexec?)"
 fi

regress/putty-ciphers.sh

@@ -1,10 +1,10 @@
-#	$OpenBSD: putty-ciphers.sh,v 1.9 2021/08/31 07:13:59 dtucker Exp $
+#	$OpenBSD: putty-ciphers.sh,v 1.10 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="putty ciphers"
 
 if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then
-	fatal "putty interop tests not enabled"
+	skip "putty interop tests not enabled"
 fi
 
 # Re-enable ssh-rsa on older PuTTY versions.

regress/putty-kex.sh

@@ -1,10 +1,10 @@
-#	$OpenBSD: putty-kex.sh,v 1.7 2021/08/31 07:13:59 dtucker Exp $
+#	$OpenBSD: putty-kex.sh,v 1.8 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="putty KEX"
 
 if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then
-	fatal "putty interop tests not enabled"
+	skip "putty interop tests not enabled"
 fi
 
 # Re-enable ssh-rsa on older PuTTY versions.

regress/putty-transfer.sh

@@ -1,10 +1,10 @@
-#	$OpenBSD: putty-transfer.sh,v 1.9 2021/08/31 07:13:59 dtucker Exp $
+#	$OpenBSD: putty-transfer.sh,v 1.10 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="putty transfer data"
 
 if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then
-	fatal "putty interop tests not enabled"
+	skip "putty interop tests not enabled"
 fi
 
 # Re-enable ssh-rsa on older PuTTY versions.

regress/sftp-chroot.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: sftp-chroot.sh,v 1.7 2018/11/22 08:48:32 dtucker Exp $
+#	$OpenBSD: sftp-chroot.sh,v 1.8 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="sftp in chroot"
@@ -9,14 +9,11 @@ PRIVDATA=${CHROOT}/${FILENAME}
 trap "${SUDO} rm -f ${PRIVDATA}" 0
 
 if [ -z "$SUDO" -a ! -w /var/run ]; then
-	echo "need SUDO to create file in /var/run, test won't work without"
-	echo SKIPPED
-	exit 0
+	skip "need SUDO to create file in /var/run, test won't work without"
 fi
 
 if ! $OBJ/check-perm -m chroot "$CHROOT" ; then
-  echo "skipped: $CHROOT is unsuitable as ChrootDirectory"
-  exit 0
+  skip "$CHROOT is unsuitable as ChrootDirectory"
 fi
 
 $SUDO sh -c "echo mekmitastdigoat > $PRIVDATA" || \

regress/sshfp-connect.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: sshfp-connect.sh,v 1.3 2021/08/31 01:25:27 dtucker Exp $
+#	$OpenBSD: sshfp-connect.sh,v 1.4 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 # This test requires external setup and thus is skipped unless
@@ -25,9 +25,9 @@
 tid="sshfp connect"
 
 if ! $SSH -Q key-plain | grep ssh-rsa >/dev/null; then
-	echo SKIPPED: RSA keys not supported.
+	skip "RSA keys not supported."
 elif [ -z "${TEST_SSH_SSHFP_DOMAIN}" ]; then
-	echo SKIPPED: TEST_SSH_SSHFP_DOMAIN not set.
+	skip "TEST_SSH_SSHFP_DOMAIN not set."
 else
 	# Set RSA host key to match fingerprints above.
 	mv $OBJ/sshd_proxy $OBJ/sshd_proxy.orig

regress/test-exec.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: test-exec.sh,v 1.86 2021/08/08 08:27:28 dtucker Exp $
+#	$OpenBSD: test-exec.sh,v 1.87 2021/09/01 00:50:27 dtucker Exp $
 #	Placed in the Public Domain.
 
 #SUDO=sudo
@@ -462,6 +462,14 @@ fatal ()
 	exit $RESULT
 }
 
+# Skip remaining tests in script.
+skip ()
+{
+	echo "SKIPPED: $@"
+	cleanup
+	exit $RESULT
+}
+
 RESULT=0
 PIDFILE=$OBJ/pidfile