ce38ddf127
Commit 577fe9b removed the debconf template for the option but the
maintainer scripts were still referencing it. This prevented the package
configuration from working.
241 lines
6.9 KiB
Bash
241 lines
6.9 KiB
Bash
#!/bin/sh
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NAME=dump1090-mutability
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CONFIGFILE=/etc/default/$NAME
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set -e
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. /usr/share/debconf/confmodule
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db_set_yn() {
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if [ "x$2" = "xyes" ]; then db_set $1 true; else db_set $1 false; fi
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}
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# Load config file, if it exists.
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if [ -e $CONFIGFILE ]; then
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. $CONFIGFILE || true
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# Store values from config file into
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# debconf db.
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db_set_yn $NAME/auto-start "$START_DUMP1090"
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db_set $NAME/run-as-user "$DUMP1090_USER"
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db_set $NAME/log-file "$LOGFILE"
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db_set $NAME/rtlsdr-device "$DEVICE"
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db_set $NAME/rtlsdr-gain "$GAIN"
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db_set $NAME/rtlsdr-ppm "$PPM"
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db_set_yn $NAME/rtlsdr-oversample "$OVERSAMPLE"
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db_set_yn $NAME/decode-fixcrc "$FIX_CRC"
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db_set_yn $NAME/decode-phase-enhance "$PHASE_ENHANCE"
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db_set $NAME/decode-lat "$LAT"
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db_set $NAME/decode-lon "$LON"
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db_set $NAME/decode-max-range "$MAX_RANGE"
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db_set $NAME/net-http-port "$HTTP_PORT"
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db_set $NAME/net-ri-port "$RAW_INPUT_PORT"
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db_set $NAME/net-ro-port "$RAW_OUTPUT_PORT"
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db_set $NAME/net-bi-port "$BEAST_INPUT_PORT"
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db_set $NAME/net-bo-port "$BEAST_OUTPUT_PORT"
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db_set $NAME/net-sbs-port "$SBS_OUTPUT_PORT"
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db_set $NAME/net-heartbeat "$NET_HEARTBEAT"
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db_set $NAME/net-out-size "$NET_OUTPUT_SIZE"
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db_set $NAME/net-out-interval "$NET_OUTPUT_INTERVAL"
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db_set $NAME/net-buffer "$NET_BUFFER"
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db_set $NAME/net-bind-address "$NET_BIND_ADDRESS"
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db_set $NAME/stats-interval "$STATS_INTERVAL"
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db_set $NAME/json-dir "$JSON_DIR"
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db_set $NAME/json-interval "$JSON_INTERVAL"
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db_set $NAME/json-location-accuracy "$JSON_LOCATION_ACCURACY"
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db_set_yn $NAME/log-decoded-messages "$LOG_DECODED_MESSAGES"
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db_set $NAME/extra-args "$EXTRA_ARGS"
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fi
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# Ask questions.
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db_input_verify() {
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# $1 = priority
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# $2 = db key
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# $3 = verification function, should return 0 if OK
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PRI=$1; KEY=$2; VERIFY=$3
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set +e
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db_input $PRI $KEY; RESULT=$?
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db_go
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set -e
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ASKED=0
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while :
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do
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db_get $KEY
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if $VERIFY "$RET"; then return 0; fi
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if [ $RESULT -ne 0 ]; then
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# db_input failed, and the existing value does not validate
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if [ $RESULT = 30 ] && [ $ASKED = 0 ]
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then
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# question was skipped, but existing value is invalid
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# bump priority and try again (once)
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PRI=high
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ASKED=1
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else
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# give up, use the default value
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db_reset $KEY
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return 0
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fi
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else
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# db_input was OK, but the value did not verify.
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# show an error message
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db_input high dump1090-mutability/invalid-$VERIFY || true
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fi
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# try again
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set +e
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db_fset $KEY seen false
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db_input high $KEY; RESULT=$?
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db_go
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set -e
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done
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}
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is_unsigned_int() {
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if echo "$1" | grep -Eq '^(0|+?[1-9][0-9]*)$'; then return 0; else return 1; fi
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}
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is_unsigned_int_or_empty() {
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if [ -z "$1" ]; then return 0
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elif is_unsigned_int "$1"; then return 0
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else return 1; fi
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}
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is_positive_int() {
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if echo "$1" | grep -Eq '^(+?[1-9][0-9]*)$'; then return 0; else return 1; fi
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}
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is_signed_int() {
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if echo "$1" | grep -Eq '^(0|[+-]?[1-9][0-9]*)$'; then return 0; else return 1; fi
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}
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is_signed_int_or_empty() {
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if [ -z "$1" ]; then return 0
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elif is_signed_int "$1"; then return 0
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else return 1; fi
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}
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is_ipaddrish() {
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if echo "$1" | grep -Eq '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'; then return 0; else return 1; fi
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}
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is_ipaddrish_or_empty() {
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if [ -z "$1" ]; then return 0
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elif is_ipaddrish "$1"; then return 0
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else return 1; fi
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}
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is_number() {
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if echo "$1" | grep -Eq '^([+-]?[0-9][0-9]*)(\.[0-9]+)?$'; then return 0; else return 1; fi
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}
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is_unsigned_number() {
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if echo "$1" | grep -Eq '^([+]?[0-9][0-9]*)(\.[0-9]+)?$'; then return 0; else return 1; fi
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}
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is_positive_number() {
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if echo "$1" | grep -Eq '^(([+]?0\.[0-9]*[1-9]+[0-9]*)|([+]?[1-9][0-9]*)(\.[0-9]+)?)$'; then return 0; else return 1; fi
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}
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is_number_or_empty() {
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if [ -z "$1" ]; then return 0
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elif is_number "$1"; then return 0;
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else return 1; fi
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}
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is_valid_gain() {
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if is_number "$1"; then return 0;
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elif [ "$1" = "max" ]; then return 0;
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elif [ "$1" = "agc" ]; then return 0;
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else return 1; fi
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}
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is_not_empty() {
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if [ -z "$1" ]; then return 1; else return 0; fi
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}
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# "adduser: To avoid problems, the username should consist only of
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# letters, digits, underscores, full stops, at signs and dashes, and not start with
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# a dash (as defined by IEEE Std 1003.1-2001). For compatibility with Samba
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# machine accounts $ is also supported at the end of the username"
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is_non_root_user() {
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if [ -z "$1" ]; then return 1;
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elif [ "$1" = "root" ]; then return 1;
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elif echo "$1" | grep -Eq '^[a-zA-Z0-9_.@-]+\$?$'; then return 0;
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else return 1; fi
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}
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is_port_number() {
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if is_unsigned_int "$1"; then
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if [ "$1" -eq 0 ]; then return 0; fi
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if [ "$1" -lt 1024 ]; then return 1; fi
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if [ "$1" -gt 65535 ]; then return 1; fi
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return 0
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else
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return 1
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fi
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}
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is_port_list() {
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for port in $(echo $1 | sed 's@,@ @g'); do
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if ! is_port_number "$port"; then return 1; fi
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done
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return 0
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}
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db_input high $NAME/auto-start || true
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db_input_verify low $NAME/run-as-user is_non_root_user || true
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db_input_verify low $NAME/log-file is_not_empty || true
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db_go || true; db_get $NAME/auto-start; if [ "$RET" = "true" ]; then
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# all of these are only relevant if the init script is enabled
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db_input medium $NAME/rtlsdr-device || true
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db_go || true; db_get $NAME/rtlsdr-device; if [ "x$RET" != "xnone" ]; then
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# only if a real device was chosen:
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db_input_verify medium $NAME/rtlsdr-gain is_valid_gain || true
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db_input_verify medium $NAME/rtlsdr-ppm is_signed_int || true
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db_input low $NAME/rtlsdr-oversample || true
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fi
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db_input low $NAME/decode-fix-crc || true
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db_input_verify medium $NAME/decode-max-range is_number || true
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db_input_verify medium $NAME/decode-lat is_number_or_empty || true
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db_go || true; db_get $NAME/decode-lat; if [ -n "$RET" ]; then
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# only if latitude was given:
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db_input_verify medium $NAME/decode-lon is_number_or_empty || true
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fi
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db_input_verify medium $NAME/net-http-port is_port_list || true
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db_input_verify low $NAME/net-ri-port is_port_list || true
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db_input_verify low $NAME/net-ro-port is_port_list || true
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db_input_verify low $NAME/net-bi-port is_port_list || true
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db_input_verify low $NAME/net-bo-port is_port_list || true
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db_input_verify low $NAME/net-sbs-port is_port_list || true
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db_input_verify low $NAME/net-heartbeat is_unsigned_number || true
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db_input_verify low $NAME/net-out-size is_unsigned_int || true
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db_input_verify low $NAME/net-out-interval is_unsigned_number || true
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db_input_verify low $NAME/net-buffer is_unsigned_int || true
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db_input_verify medium $NAME/net-bind-address is_ipaddrish_or_empty || true
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db_input_verify low $NAME/stats-interval is_unsigned_int || true
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db_input_verify low $NAME/json-interval is_positive_number || true
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db_input low $NAME/json-location-accuracy || true
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db_input low $NAME/json-dir || true
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db_input low $NAME/log-decoded-messages || true
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db_input low $NAME/extra-args || true
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db_go || True
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fi
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# Done.
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db_stop
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