ddns-scripts: 2nd fix detecting local ip from ip command

Signed-off-by: Christian Schoenebeck <redacted>

diff --git a/net/ddns-scripts/files/dynamic_dns_functions.sh b/net/ddns-scripts/files/dynamic_dns_functions.sh
index 597ad732d839bf5e2ee9fbddb33840de715b1192..209409b35312f40de8f1b5b45ef7224c7ce87d80 100755 (executable)
--- a/net/ddns-scripts/files/dynamic_dns_functions.sh
+++ b/net/ddns-scripts/files/dynamic_dns_functions.sh
@@ -886,7 +886,7 @@ send_update() {
 get_local_ip () {
        # $1    Name of Variable to store local IP (LOCAL_IP)
        local __CNT=0   # error counter
-       local __RUNPROG __DATA __URL __ERR
+       local __RUNPROG __DATA __URL __ERR __TMP
 
        [ $# -ne 1 ] && write_log 12 "Error calling 'get_local_ip()' - wrong number of parameters"
        write_log 7 "Detect local IP on '$ip_source'"
@@ -917,9 +917,11 @@ get_local_ip () {
                                        # 5: eth1    inet6 fd43:5368:6f6d:6500:a00:27ff:fed0:1032/64 scope global dynamic \       valid_lft 14352sec preferred_lft 14352sec
                                        # 5: eth1    inet6 2002:b0c7:f326::a00:27ff:fed0:1032/64 scope global dynamic \       valid_lft 14352sec preferred_lft 14352sec
 
-                                       #       remove      remove     remove      replace          remove                  remove
-                                       #        link     inet6 fxxx    sec      forever=>-1    between / and pref..      linestart to inet
-                                       sed -i "/link/d; /inet6 f/d; s/sec//g; s/forever/-1/g; s/\/.*preferred_lft//g; s/^.*$ip_interface *//g" $DATFILE
+                                       #    remove      remove     remove      replace     replace
+                                       #     link     inet6 fxxx    sec      forever=>-1   / => ' ' to separate subnet from ip
+                                       sed "/link/d; /inet6 f/d; s/sec//g; s/forever/-1/g; s/\// /g" $DATFILE | \
+                                               awk '{ print $3" "$4" "$NF }' > ${DATFILE}_tmp
+                                       # we only need    inet?   IP  prefered time
 
                                        local __TIME4=0;  local __TIME6=0
                                        local __TYP __ADR __TIME
@@ -934,7 +936,8 @@ get_local_ip () {
                                                        __DATA4="$__ADR"
                                                        __TIME4="$__TIME"
                                                }
-                                       done < $DATFILE
+                                       done < ${DATFILE}_tmp
+                                       rm ${DATFILE}_tmp
                                else
                                        write_log 3 "ip Error: '$__ERR'"
                                        write_log 7 "$(cat $ERRFILE)"           # report error