sync with phantomsocks-ipv6-git

1 files changed, 120 insertions, 0 deletions

diff --git a/phantomsocks-init.sh b/phantomsocks-init.sh
new file mode 100644
index 000000000000..44f8ae6332ff
--- /dev/null
+++ b/phantomsocks-init.sh
@@ -0,0 +1,120 @@
+#!/usr/bin/env sh
+
+CONFIGFILE="config.json"
+CONFIGDIR="${XDG_DATA_HOME:-"$HOME/.config"}/phantomsocks"
+
+getInterfaces() {
+    family=$1
+    i=0 && while true; do
+    interfaces=$(ip -j -"$family" r | jq -r '.[]|select(.dst=="default").dev')
+        if [ -n "$interfaces" ]; then
+            echo "$interfaces"
+            break
+        fi
+        if [ "$i" -ge 5 ]; then
+            echo "!!! no v$family ifaces" 1>&2
+            return 1
+        else
+            i=$((i + 1))
+            printf '.' 1>&2
+            sleep 2
+        fi
+    done && i=0
+}
+
+getInterface() {
+    family=$1
+    address=:: && [ "$family" = 4 ] && address=1
+    i=0 && while true; do
+        interface=$(ip -j -"$family" r g $address | jq -r '.[].dev')
+        if [ -n "$interface" ]; then
+            echo "$interface"
+            break
+        fi
+        if [ "$i" -ge 5 ]; then
+            echo "!!! no v$family iface" 1>&2
+            return 2
+        else
+            i=$((i + 1))
+            printf '.' 1>&2
+            sleep 2
+        fi
+    done && i=0
+}
+
+if [ "$(id -u)" = "0" ]; then
+        echo "Please do not run this script as root!"
+        exit 1
+fi
+
+if [ ! -d "$CONFIGDIR" ] || [ ! -e "$CONFIGDIR/$CONFIGFILE" ]; then
+    mkdir -p "$CONFIGDIR" && \
+    cp -rn /usr/share/phantomsocks/*.* "$CONFIGDIR"
+fi
+
+cd "$CONFIGDIR" || exit 1
+
+ifs_v6="$(getInterfaces 6)"; NO_IPV6=$?
+ifs_v4="$(getInterfaces 4)"; NO_IPV4=$?
+
+if [ $NO_IPV6 = 1 ] && [ $NO_IPV4 = 1 ]; then
+    echo !!! no network connection
+    exit 1
+elif [ $NO_IPV6 = 1 ]; then
+    defaIf_v4="$(getInterface 4)" || exit $?
+    defaIf_v6=$defaIf_v4
+    ifs_v6=$ifs_v4
+elif [ $NO_IPV4 = 1 ]; then
+    defaIf_v6="$(getInterface 6)" || exit $?
+    defaIf_v4=$defaIf_v6
+    ifs_v4=$ifs_v6
+else
+    defaIf_v6="$(getInterface 6)" || exit $?
+    defaIf_v4="$(getInterface 4)" || exit $?
+fi
+
+modifiedConf=$(jq -j \
+    --arg ifs_v6 "$ifs_v6" \
+    --arg ifs_v4 "$ifs_v4" \
+    --arg defaIf_v6 "$defaIf_v6" \
+    --arg defaIf_v4 "$defaIf_v4" '
+
+def setPface(fam; dev):
+    if (fam == 4) then
+        if (dev | inside($ifs_v4) | not) or (dev == "") then
+            dev = $defaIf_v4
+        end
+    elif (fam == 6) then
+        if (dev | inside($ifs_v6) | not) or (dev == "") then
+            dev = $defaIf_v6
+        end
+    end ;
+
+def validatePface(dev; hint):
+    if (dev != null) then
+        if (hint != null) then
+            if (hint | contains("ipv6")) and (hint | contains("ipv4")) then
+                setPface(4; dev)
+            elif (hint | contains("ipv6")) then
+                setPface(6; dev)
+            elif (hint | contains("ipv4")) then
+                setPface(4; dev)
+            else
+                setPface(6; dev)
+            end
+        else
+            setPface(4; dev)
+        end
+    end ;
+
+.services[] |= validatePface(.device; .hint) |
+.interfaces[] |= validatePface(.device; .hint)
+
+' "$CONFIGDIR/$CONFIGFILE") && echo "$modifiedConf" > "$CONFIGDIR/$CONFIGFILE"
+
+# workaround for rawsocks
+if (strings /usr/bin/phantomsocks | grep -e '-tags=rawsocket' > /dev/null 2>&1); then
+    sleep 2
+fi
+
+exec phantomsocks "$@"
\ No newline at end of file