#!/bin/sh
# Test script for /bin/ipapply
mydir=$(dirname "$0")
cd "$mydir"
. ../etc/wvtest.sh
PATH=$PATH:.

WVSTART "ipapply"

STATIC_PATH=/config/ip/static
DYNAMIC_PATH=/tmp/ip/dynamic
TMP_CONMAN=/tmp/conman

runnable mktemp &&
tmpdir=$(mktemp -d ipapplyXXXXXXXXXX) ||
tmpdir=/tmp/ipapply.$$
mkdir -p "$tmpdir"
cleanup() {
  echo "Temp files:" >&2
  echo "$(find "$tmpdir")"
  find "$tmpdir" | while read name; do
    # skip dumping the test scripts.
    echo $name | grep "test_bin" >/dev/null && continue
    [ -f "$name" ] && echo "$name: $(cat $name)" >&2
  done
  echo "---" >&2
  rm -rf "$tmpdir"
}
trap cleanup EXIT

mkdir $tmpdir/test_bin
cat >$tmpdir/test_bin/is-interface-up <<-EOF
	#!/bin/sh
	for interface in \$IIU_TEST_UP_INTERFACES; do
	  [ "\$interface" = "\$1" ] && exit 0  # up
	done
	exit 1  # not up.
EOF
chmod 777 $tmpdir/test_bin/is-interface-up

cat >$tmpdir/test_bin/ip <<-EOF
	#!/bin/sh
	echo test_bin/ip \$@ 1>&2
	if [ "x\$1" = "xaddr" -a "x\$2" = "xshow" -a -e $tmpdir/ip_addr_show ]; then
	  cat $tmpdir/ip_addr_show
	elif [ "x\$1" = "xroute" -a  "x\$2" = "xshow" -a -e $tmpdir/ip_route_show ]; then
	  cat $tmpdir/ip_route_show
	fi
	exit 0
EOF
chmod 777 $tmpdir/test_bin/ip

PATH=$tmpdir/test_bin:$PATH

wipe_configs() {
  rm -rf $tmpdir/$STATIC_PATH
  rm -rf $tmpdir/$DYNAMIC_PATH
  rm -rf $tmpdir/$TMP_CONMAN

  mkdir -p $tmpdir/$STATIC_PATH
  mkdir -p $tmpdir/$DYNAMIC_PATH
  mkdir -p $tmpdir/$TMP_CONMAN
}

export IPAPPLY_CONFIG_FILE_BASE="$tmpdir"

wipe_configs

echo
echo "TEST missing interface parameter"
WVFAIL ipapply

echo
echo "TEST basic no configuration"
WVPASS ipapply nope
WVPASS ipapply nope uhno

echo
echo "TEST no configuration files"
output=$(ipapply nope 2>&1 1>/dev/null)
echo "${output}" | grep "no available configuration.*nope" >/dev/null
WVPASSEQ $? 0

echo
echo "TEST static config"
export IIU_TEST_UP_INTERFACES="iface0"
mkdir -p $tmpdir/$STATIC_PATH
cat >$tmpdir/$STATIC_PATH/iface0 <<-EOF
	{ "iface0": {
	  "ip": [  { "new_ip_address": "1.1.1.1", "new_subnet_mask": "24" } ]
	} }
EOF


echo "1.1.1.0/24 dev br0  proto kernel  scope link  src 1.1.1.1" >"$tmpdir/ip_route_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.1/24 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 1.1.1.0/24 dev iface0" >/dev/null
WVPASSEQ $? 0


echo "TEST deltas"
echo "   inet 1.1.1.1/32 brd 255.255.255.0 scope global iface0" >"$tmpdir/ip_addr_show"
echo "   inet 1.1.1.2/24 brd 255.255.255.255 scope global iface0" >>"$tmpdir/ip_addr_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.1/32 dev iface0" >/dev/null
WVPASSNE $? 0
echo "${output}" | grep "ip addr del 1.1.1.2/24 dev iface0" >/dev/null
WVPASSEQ $? 0

cat >$tmpdir/$STATIC_PATH/iface0 <<-EOF
	{ "iface0": {
	  "ip": [  { "new_ip_address": "1.1.1.1", "new_subnet_mask": "24" },
	           { "new_ip_address": "1.1.1.2", "new_subnet_mask": "24" },
	           { "new_ip_address": "1.1.1.4" } ]
	} }
EOF
echo "   inet 1.1.1.3/32 brd 255.255.255.0 scope global iface0" >>"$tmpdir/ip_addr_show"
echo "1.1.1.0/24 dev br0  proto kernel  scope link  src 1.1.1.3" >"$tmpdir/ip_route_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.1/24 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip addr del 1.1.1.1/32 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.2/24 dev iface0" >/dev/null
WVPASSNE $? 0
echo "${output}" | grep "ip addr del 1.1.1.3/32 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.4/32 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 1.1.1.0/24 dev iface0" >/dev/null
WVPASSEQ $? 0

subnet_file=$tmpdir/$TMP_CONMAN/subnet.iface0
WVPASS [ -e $subnet_file ]
gateway_file=$tmpdir/$TMP_CONMAN/gateway.iface0
WVFAIL [ -e $gateway_file ]
expected_file=$tmpdir/expected_file
echo -n "1.1.1.0/24" >$expected_file
WVPASS cmp $subnet_file $expected_file
rm $expected_file
rm -f $tmpdir/ip_addr_show


echo
echo "TEST static config with long form netmask"
export IIU_TEST_UP_INTERFACES="iface0"
mkdir -p $tmpdir/$STATIC_PATH
cat >$tmpdir/$STATIC_PATH/iface0 <<-EOF
	{ "iface0": {
	  "ip": [  { "new_ip_address": "1.1.1.100",
	             "new_subnet_mask": "255.255.0.0",
	             "new_routers": "1.1.1.1" } ]
	} }
EOF

echo "1.1.0.0/16 dev br0  proto kernel  scope link  src 1.1.1.100" >"$tmpdir/ip_route_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.100/16 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 1.1.0.0/16 dev iface0" >/dev/null
WVPASSEQ $? 0


echo
echo "TEST static and dynamic config prefers static"
export IIU_TEST_UP_INTERFACES="iface0"
mkdir -p $tmpdir/$DYNAMIC_PATH
cat >$tmpdir/$DYNAMIC_PATH/iface0 <<-EOF
	{ "iface0": {
	  "ip": [  { "new_ip_address": "2.2.2.2",
	             "new_subnet_mask": "24",
	             "new_routers": "2.2.2.1" } ]
	} }
EOF
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.100/16 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 1.1.0.0/16 dev iface0" >/dev/null
WVPASSEQ $? 0
subnet_file=$tmpdir/$TMP_CONMAN/subnet.iface0
WVPASS [ -e $subnet_file ]
gateway_file=$tmpdir/$TMP_CONMAN/gateway.iface0
WVPASS [ -e $gateway_file ]
expected_file=$tmpdir/expected_file
echo -n "1.1.0.0/16" >$expected_file
WVPASS cmp $subnet_file $expected_file
echo -n "1.1.1.1" >$expected_file
WVPASS cmp $gateway_file $expected_file
rm $expected_file

echo
echo "TEST dynamic config"
export IIU_TEST_UP_INTERFACES="iface0"
ipapply iface0
rm $tmpdir/$STATIC_PATH/iface0

echo "2.2.2.0/24 dev br0  proto kernel  scope link  src 2.2.2.2" >"$tmpdir/ip_route_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 2.2.2.2/24 dev iface0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 2.2.2.0/24 dev iface0" >/dev/null
WVPASSEQ $? 0
subnet_file=$tmpdir/$TMP_CONMAN/subnet.iface0
WVPASS [ -e $subnet_file ]
gateway_file=$tmpdir/$TMP_CONMAN/gateway.iface0
WVPASS [ -e $gateway_file ]
expected_file=$tmpdir/expected_file
echo -n "2.2.2.0/24" >$expected_file
WVPASS cmp $subnet_file $expected_file
echo -n "2.2.2.1" >$expected_file
WVPASS cmp $gateway_file $expected_file
rm $expected_file

echo

wipe_configs

echo
echo "TEST br0 - wan0 up takes static"
export IIU_TEST_UP_INTERFACES="br0 wan0"
cat >$tmpdir/$STATIC_PATH/br0 <<-EOF
	{ "br0": {
	  "ip": [  { "new_ip_address": "1.1.1.2",
	             "new_subnet_mask": "24",
	             "new_routers": "1.1.1.1" } ]
	} }
EOF
cat >$tmpdir/$DYNAMIC_PATH/br0 <<-EOF
	{ "br0": {
	  "ip": [  { "new_ip_address": "2.2.2.2",
	             "new_subnet_mask": "24",
	             "new_routers": "2.2.2.1" } ]
	} }
EOF
mkdir -p $tmpdir/sys/class/net/wan0
mkdir -p $tmpdir/sys/class/net/br0

echo "1.1.1.0/24 dev br0  proto kernel  scope link  src 1.1.1.2" >"$tmpdir/ip_route_show"
output=$(ipapply br0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 1.1.1.2/24 dev br0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 1.1.1.0/24 dev br0" >/dev/null
WVPASSEQ $? 0
subnet_file=$tmpdir/$TMP_CONMAN/subnet.br0
WVPASS [ -e $subnet_file ]
gateway_file=$tmpdir/$TMP_CONMAN/gateway.br0
WVPASS [ -e $gateway_file ]
expected_file=$tmpdir/expected_file
echo -n "1.1.1.0/24" >$expected_file
WVPASS cmp $subnet_file $expected_file
echo -n "1.1.1.1" >$expected_file
WVPASS cmp $gateway_file $expected_file
rm $expected_file

# continuation
echo
echo "TEST br0 - wan0 down takes dynamic"
# now flip wan0 to down
export IIU_TEST_UP_INTERFACES="br0"

echo "2.2.2.0/24 dev br0  proto kernel  scope link  src 2.2.2.2" >"$tmpdir/ip_route_show"
output=$(ipapply br0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "ip addr add 2.2.2.2/24 dev br0" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip route del 2.2.2.0/24 dev br0" >/dev/null
WVPASSEQ $? 0
subnet_file=$tmpdir/$TMP_CONMAN/subnet.br0
WVPASS [ -e $subnet_file ]
gateway_file=$tmpdir/$TMP_CONMAN/gateway.br0
WVPASS [ -e $gateway_file ]
expected_file=$tmpdir/expected_file
echo -n "2.2.2.0/24" >$expected_file
WVPASS cmp $subnet_file $expected_file
expected_file=$tmpdir/expected_file
echo -n "2.2.2.1" >$expected_file
WVPASS cmp $gateway_file $expected_file
rm $expected_file


wipe_configs

echo
echo "TEST down interface gets cleared only"
unset IIU_TEST_UP_INTERFACES
mkdir -p $tmpdir/$DYNAMIC_PATH
cat >$tmpdir/$DYNAMIC_PATH/iface0 <<-EOF
	{ "iface0": {
	  "ip": [  { "new_ip_address": "2.2.2.2",
	             "new_subnet_mask": "24",
	             "new_routers": "2.2.2.1" } ]
	} }
EOF
echo "   inet 2.2.2.2/32 brd 255.255.255.0 scope global iface0" >"$tmpdir/ip_addr_show"
output=$(ipapply iface0 2>&1 1>/dev/null)
WVPASSEQ $? 0
echo "${output}" | grep "interface 'iface0' down" >/dev/null
WVPASSEQ $? 0
echo "${output}" | grep "ip addr del 2.2.2.2/32 dev iface0" >/dev/null
WVPASSEQ $? 0