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fix bug when no default entry in routing table

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garywill
2020-12-24 20:36:09 +08:00
parent 4991674aec
commit fd542732ce
2 changed files with 19 additions and 14 deletions
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20
lnxrouter Executable file → Normal file
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@@ -30,9 +30,9 @@ Options:
-g <ip> Set this host's IPv4 address, netmask is 24
-6 Enable IPv6 (NAT)
--no4 Disable IPv4 Internet (not forwarding IPv4).
Usually used with '-6'
(See Notice 1)
--no4 Disable IPv4 Internet (not forwarding IPv4)
(See Notice 1). Usually used with '-6'
--p6 <prefix> Set IPv6 prefix (length 64) (example: fd00:1:2:3::)
--dns <ip>|<port>|<ip:port>
@@ -196,14 +196,14 @@ while [[ -n "$1" ]]; do
INTERNET_IFACE="$1"
shift
echo ""
echo "Since you're using in this mode, make sure you've read Notice 1" >&2
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
echo ""
;;
-n)
shift
SHARE_METHOD=none
echo ""
echo "Since you're using in this mode, make sure you've read Notice 1" >&2
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
echo ""
;;
--ban-priv)
@@ -230,7 +230,7 @@ while [[ -n "$1" ]]; do
shift
NO4=1
echo ""
echo "Since you're using in this mode, make sure you've read Notice 1" >&2
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
echo ""
;;
--p6)
@@ -624,15 +624,15 @@ get_new_macaddr() {
is_ip4_range_available() {
( ip -4 address | grep "inet 192\.168\.$1\." > /dev/null 2>&1 ) && return 1
( ip -4 route | grep "^192\.168\.$1\." > /dev/null 2>&1 ) && return 1
( ip -4 route get 192.168.$1.0 | grep "\bvia\b" > /dev/null 2>&1 ) && \
( ip -4 route get 192.168.$1.255 | grep "\bvia\b" > /dev/null 2>&1 ) && return 0
( ip -4 route get 192.168.$1.0 2>&1 | grep -E "\bvia\b|\bunreachable\b" > /dev/null 2>&1 ) && \
( ip -4 route get 192.168.$1.255 2>&1 | grep -E "\bvia\b|\bunreachable\b" > /dev/null 2>&1 ) && return 0
return 1
}
is_ip6_range_available() {
( ip -6 address | grep -i "inet6 fd$1:$2$3:$4$5:$6$7:" > /dev/null 2>&1 ) && return 1
( ip -6 route | grep -i "^fd$1:$2$3:$4$5:$6$7:" > /dev/null 2>&1 ) && return 1
( ip -6 route get fd$1:$2$3:$4$5:$6$7:: | grep "\bvia\b" > /dev/null 2>&1 ) && \
( ip -6 route get fd$1:$2$3:$4$5:$6$7:ffff:ffff:ffff:ffff | grep "\bvia\b" > /dev/null 2>&1 ) && return 0
( ip -6 route get fd$1:$2$3:$4$5:$6$7:: 2>&1 | grep -E "\bvia\b|\bunreachable\b" > /dev/null 2>&1 ) && \
( ip -6 route get fd$1:$2$3:$4$5:$6$7:ffff:ffff:ffff:ffff 2>&1 | grep -E "\bvia\b|\bunreachable\b" > /dev/null 2>&1 ) && return 0
return 1
}