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core: 不再写死 eth0

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bin456789
2023-12-05 21:53:24 +08:00
parent 36b20d4f7a
commit 8d546f5a23
3 changed files with 46 additions and 29 deletions
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36
alpine-network.sh
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@ -8,6 +8,9 @@ ipv6_addr=$4
ipv6_gateway=$5
is_in_china=$6
# shellcheck disable=SC2154
ethx="$device"
if $is_in_china; then
ipv4_dns1='119.29.29.29'
ipv4_dns2='223.5.5.5'
@ -21,23 +24,23 @@ else
fi
get_first_ipv4_addr() {
ip -4 -o addr show scope global dev eth0 | head -1 | awk '{print $4}'
ip -4 -o addr show scope global dev "$ethx" | head -1 | awk '{print $4}'
}
is_have_ipv4_addr() {
ip -4 addr show scope global dev eth0 | grep -q inet
ip -4 addr show scope global dev "$ethx" | grep -q inet
}
is_have_ipv6_addr() {
ip -6 addr show scope global dev eth0 | grep -q inet6
ip -6 addr show scope global dev "$ethx" | grep -q inet6
}
is_have_ipv4_gateway() {
ip -4 route show default dev eth0 | grep -q .
ip -4 route show default dev "$ethx" | grep -q .
}
is_have_ipv6_gateway() {
ip -6 route show default dev eth0 | grep -q .
ip -6 route show default dev "$ethx" | grep -q .
}
is_have_ipv4() {
@ -48,8 +51,8 @@ is_have_ipv6() {
is_have_ipv6_addr && is_have_ipv6_gateway
}
# 开启 eth0
ip link set dev eth0 up
# 开启 ethx
ip link set dev "$ethx" up
# 等待slaac
# 有ipv6地址就跳过，不管是slaac或者dhcpv6
@ -69,12 +72,12 @@ is_have_ipv6_addr && dhcpv6_or_slaac=true || dhcpv6_or_slaac=false
add_missing_ipv4_config() {
if [ -n "$ipv4_addr" ] && [ -n "$ipv4_gateway" ]; then
if ! is_have_ipv4_addr; then
ip -4 addr add "$ipv4_addr" dev eth0
ip -4 addr add "$ipv4_addr" dev "$ethx"
fi
if ! is_have_ipv4_gateway; then
# 如果 dhcp 无法设置onlink网关，那么在这里设置
ip -4 route add default via "$ipv4_gateway" dev eth0 onlink
ip -4 route add default via "$ipv4_gateway" dev "$ethx" onlink
fi
fi
}
@ -82,12 +85,12 @@ add_missing_ipv4_config() {
add_missing_ipv6_config() {
if [ -n "$ipv6_addr" ] && [ -n "$ipv6_gateway" ]; then
if ! is_have_ipv6_addr; then
ip -6 addr add "$ipv6_addr" dev eth0
ip -6 addr add "$ipv6_addr" dev "$ethx"
fi
if ! is_have_ipv6_gateway; then
# 如果 dhcp 无法设置onlink网关，那么在这里设置
ip -6 route add default via "$ipv6_gateway" dev eth0 onlink
ip -6 route add default via "$ipv6_gateway" dev "$ethx" onlink
fi
fi
}
@ -135,8 +138,8 @@ test_internet
if $dhcpv4 && ! $ipv4_has_internet &&
! [ "$ipv4_addr" = "$(get_first_ipv4_addr)" ]; then
echo "DHCPv4 can't access Internet. And not match static IPv4."
ip -4 addr flush scope global dev eth0
ip -4 route flush dev eth0
ip -4 addr flush scope global dev "$ethx"
ip -4 route flush dev "$ethx"
add_missing_ipv4_config
test_internet
if $ipv4_has_internet; then
@ -157,10 +160,10 @@ fi
# 此时alpine只会用ipv6下载apk，而不用会ipv4下载
# 2 有ipv4地址但没有ipv4网关的情况(vultr)，aria2会用ipv4下载
if $ipv4_has_internet && ! $ipv6_has_internet; then
echo 0 >/proc/sys/net/ipv6/conf/eth0/accept_ra
ip -6 addr flush scope global dev eth0
echo 0 >"/proc/sys/net/ipv6/conf/$ethx/accept_ra"
ip -6 addr flush scope global dev "$ethx"
elif ! $ipv4_has_internet && $ipv6_has_internet; then
ip -4 addr flush scope global dev eth0
ip -4 addr flush scope global dev "$ethx"
fi
# 如果联网了，但没获取到默认 DNS，则添加我们的 DNS
@ -176,6 +179,7 @@ fi
# 传参给 trans.start
$dhcpv4 && echo 1 >/dev/dhcpv4 || echo 0 >/dev/dhcpv4
$is_in_china && echo 1 >/dev/is_in_china || echo 0 >/dev/is_in_china
echo "$ethx" >/dev/ethx
echo "$mac_addr" >/dev/mac_addr
echo "$ipv4_addr" >/dev/ipv4_addr
echo "$ipv4_gateway" >/dev/ipv4_gateway