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@@ -0,0 +1,164 @@
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#!/bin/sh
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# Modem AT Command Safe Executor (Zero-dependency, Dynamic Timeout)
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# Dante <dante@seckv.com>
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DEVICE=""
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COMMAND=""
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TIMEOUT=3
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BAUDRATE=115200
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SMS_TO=""
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SMS_MSG=""
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while [ $# -gt 0 ]; do
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case "$1" in
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-d) DEVICE="$2"; shift 2 ;;
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-c) COMMAND="$2"; shift 2 ;;
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-t) TIMEOUT="$2"; shift 2 ;;
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-b) BAUDRATE="$2"; shift 2 ;;
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--sms-to) SMS_TO="$2"; shift 2 ;;
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--sms-msg) SMS_MSG="$2"; shift 2 ;;
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*) shift ;;
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esac
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done
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if [ -z "$DEVICE" ]; then
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echo "Usage: $0 -d <device> [-c <command>] [--sms-to <number> --sms-msg <text>]" >&2
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exit 1
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fi
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if [ -z "$COMMAND" ] && [ -z "$SMS_TO" ]; then
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echo "Usage: Either -c <command> or --sms-to <number> must be specified" >&2
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exit 1
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fi
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case "$DEVICE" in
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/dev/ttyUSB*|/dev/ttyACM*) ;;
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*)
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echo "ERROR: Invalid device path $DEVICE" >&2
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exit 2
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;;
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esac
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if [ ! -c "$DEVICE" ]; then
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echo "ERROR: Device $DEVICE not found" >&2
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exit 3
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fi
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# Dynamic Timeout auto-detection: long-running commands like AT+COPS=? or scan
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if [ -n "$SMS_TO" ]; then
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[ "$TIMEOUT" -lt 15 ] && TIMEOUT=15
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else
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case "$COMMAND" in
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*COPS=\?*|*COPS\?*|*QSCAN*|*GTCCINFO*|*SCAN*)
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[ "$TIMEOUT" -lt 60 ] && TIMEOUT=60
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;;
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esac
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fi
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LOCKFILE="/var/lock/modem_$(basename "$DEVICE").lock"
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mkdir -p /var/lock
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# Acquire exclusive file lock compatible with Busybox flock (-n -x FD)
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exec 9>"$LOCKFILE"
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locked=0
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waited=0
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while [ $waited -le "$TIMEOUT" ]; do
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if flock -n -x 9 2>/dev/null; then
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locked=1
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break
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fi
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sleep 1
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waited=$((waited + 1))
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done
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if [ $locked -eq 0 ]; then
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echo "ERROR: Device $DEVICE busy, lock timed out" >&2
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exit 4
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fi
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# Fast path: Prioritize native sms_tool engine if installed (zero echo loop, robust termios)
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if command -v sms_tool >/dev/null 2>&1; then
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if [ -n "$SMS_TO" ]; then
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OUT=$(sms_tool -d "$DEVICE" -b "$BAUDRATE" send "$SMS_TO" "$SMS_MSG" 2>&1)
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RC=$?
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else
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OUT=$(sms_tool -d "$DEVICE" -b "$BAUDRATE" at "$COMMAND" 2>&1)
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RC=$?
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fi
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flock -u 9 2>/dev/null || true
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CLEAN_OUT=$(echo "$OUT" | tr -d "\r")
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if [ $RC -eq 0 ] && ! echo "$CLEAN_OUT" | grep -qE "ERROR|\+CME ERROR|\+CMS ERROR"; then
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if [ -z "$CLEAN_OUT" ]; then
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echo "OK"
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else
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echo "$CLEAN_OUT"
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case "$CLEAN_OUT" in
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*OK*) ;;
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*) echo "OK" ;;
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esac
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fi
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exit 0
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else
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echo "$CLEAN_OUT"
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exit ${RC:-1}
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fi
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fi
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command -v stty >/dev/null 2>&1 && stty -F "$DEVICE" "$BAUDRATE" raw -echo -echoe -echok min 0 time 2 2>/dev/null || true
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OUT_FILE="/tmp/at_out_$$.tmp"
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rm -f "$OUT_FILE"
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(
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exec 3<>"$DEVICE"
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# Drain stale residual buffer
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dd if="$DEVICE" of=/dev/null bs=512 count=1 2>/dev/null || true
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cat <&3 > "$OUT_FILE" &
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CAT_PID=$!
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if [ -n "$SMS_TO" ]; then
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# Text mode SMS sending
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printf "AT+CMGF=1\r\n" >&3
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sleep 1
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printf "AT+CMGS=\"%s\"\r\n" "$SMS_TO" >&3
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sleep 1
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printf "%s\x1A" "$SMS_MSG" >&3
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elapsed=0
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while [ $elapsed -lt "$TIMEOUT" ]; do
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sleep 1
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elapsed=$((elapsed + 1))
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if [ -f "$OUT_FILE" ]; then
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if grep -q "\+CMGS:" "$OUT_FILE" 2>/dev/null && grep -q "OK" "$OUT_FILE" 2>/dev/null; then
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break
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elif grep -qE "\+CMS ERROR|\+CME ERROR|ERROR" "$OUT_FILE" 2>/dev/null; then
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break
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fi
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fi
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done
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else
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printf "%s\r\n" "$COMMAND" >&3
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elapsed=0
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while [ $elapsed -lt "$TIMEOUT" ]; do
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sleep 1
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elapsed=$((elapsed + 1))
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if [ -f "$OUT_FILE" ] && grep -qE "OK|ERROR|\+CME ERROR|\+CMS ERROR" "$OUT_FILE" 2>/dev/null; then
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break
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fi
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done
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fi
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kill -9 "$CAT_PID" 2>/dev/null || true
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exec 3>&-
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)
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flock -u 9 2>/dev/null || true
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if [ -f "$OUT_FILE" ]; then
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cat "$OUT_FILE" | tr -d "\r"
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rm -f "$OUT_FILE"
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fi
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exit 0
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@@ -0,0 +1,60 @@
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#!/bin/sh
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# Background Status Collector with Active Terminal Yielding
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# Dante <dante@seckv.com>
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RUN_DIR="/tmp/run/modem-manager"
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CACHE_DEVICES="$RUN_DIR/devices.json"
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CACHE_STATUS="$RUN_DIR/status.json"
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TERMINAL_LOCK="/var/lock/modem_terminal_active.lock"
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YIELD_WINDOW=10
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mkdir -p "$RUN_DIR" /var/lock
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is_terminal_active() {
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if [ -f "$TERMINAL_LOCK" ]; then
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local lock_mtime=$(date -r "$TERMINAL_LOCK" +%s 2>/dev/null || echo 0)
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local now=$(date +%s)
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local diff=$((now - lock_mtime))
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if [ "$diff" -ge 0 ] && [ "$diff" -le "$YIELD_WINDOW" ]; then
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return 0
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fi
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fi
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return 1
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}
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collect_single() {
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if is_terminal_active; then
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return 0
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fi
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[ -f "$CACHE_DEVICES" ] || /usr/libexec/modem-detect --cache >/dev/null 2>&1
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# Check user manually configured port from UCI first
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local user_port=$(uci -q get modem-manager.global.port || uci -q get modem-manager.default.port)
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ucode -e '
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import * as fs from "fs";
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let m = loadfile("/usr/share/rpcd/ucode/luci.modem")();
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let plugin = m["luci.modem"];
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let devs_data = plugin.get_devices.call();
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let dev = (devs_data?.devices && length(devs_data.devices) > 0) ? devs_data.devices[0] : null;
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let user_port = "'"$user_port"'";
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let target_port = (user_port && user_port != "") ? user_port : (dev?.primary_port || null);
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if (target_port) {
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let status = plugin.collect_raw_status.call({ args: { port: target_port, primary_net: dev?.primary_net || "usb0" } });
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if (status) {
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let tmp = "/tmp/run/modem-manager/status.json.tmp";
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fs.writefile(tmp, sprintf("%J\n", status));
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fs.rename(tmp, "/tmp/run/modem-manager/status.json");
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}
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}
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' 2>/dev/null || true
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}
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while true; do
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collect_single
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INTERVAL=$(uci -q get modem-manager.global.check_interval || echo 15)
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[ "$INTERVAL" -ge 5 ] 2>/dev/null || INTERVAL=15
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sleep "$INTERVAL"
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done
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+189
@@ -0,0 +1,189 @@
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#!/bin/sh
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# Cellular Modem Auto-Detector for OpenWrt
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# Outputs discovered modems in JSON format and updates /tmp/run/modem-manager/devices.json
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RUN_DIR="/tmp/run/modem-manager"
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CACHE_FILE="$RUN_DIR/devices.json"
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KNOWN_VENDORS="2c7c 2cb7 1e0e 12d1 19d2 1bbb 05c6 413c 0bdb 1199 2977 1508 1bc7 0e8d 1782 0489 1fac 2dee 33f8 3731 2df3 20a6"
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get_sys_attr() {
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local path="$1"
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if [ -f "$path" ]; then
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tr -d '\r\n' < "$path" 2>/dev/null
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fi
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}
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detect_all() {
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echo "{"
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echo ' "devices": ['
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local FIRST=1
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for dev in /sys/bus/usb/devices/*; do
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[ -d "$dev" ] || continue
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[ -f "$dev/idVendor" ] || continue
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[ -f "$dev/idProduct" ] || continue
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local VID=$(get_sys_attr "$dev/idVendor")
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local PID=$(get_sys_attr "$dev/idProduct")
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local DEVCLASS=$(get_sys_attr "$dev/bDeviceClass")
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case "$VID" in
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1d6b|2109|1d50) continue ;;
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esac
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[ "$DEVCLASS" = "09" ] && continue
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local IS_MODEM=0
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for kv in $KNOWN_VENDORS; do
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if [ "$VID" = "$kv" ]; then
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IS_MODEM=1
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break
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fi
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done
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local DEVNAME=$(basename "$dev")
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# Direct sysfs tree discovery for serial ports under this USB device
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local TTYS=""
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for t in $(find "$dev" -maxdepth 5 \( -name "ttyUSB*" -o -name "ttyACM*" \) 2>/dev/null); do
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local b=$(basename "$t")
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case "$b" in
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ttyUSB*|ttyACM*)
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if [ -e "/dev/$b" ]; then
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case " $TTYS " in
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*" /dev/$b "*) ;;
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*) TTYS="$TTYS /dev/$b" ;;
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esac
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fi
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;;
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esac
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done
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# Fallback tty search via /sys/class/tty
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if [ -z "$TTYS" ]; then
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for t in /sys/class/tty/ttyUSB* /sys/class/tty/ttyACM*; do
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[ -e "$t" ] || continue
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local t_target=$(readlink "$t" 2>/dev/null || readlink -f "$t" 2>/dev/null)
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case "$t_target" in
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*"$DEVNAME"*)
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local b=$(basename "$t")
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[ -e "/dev/$b" ] && case " $TTYS " in *" /dev/$b "*) ;; *) TTYS="$TTYS /dev/$b" ;; esac
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;;
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esac
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done
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fi
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TTYS=$(echo "$TTYS" | sed 's/^ *//')
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# Network interfaces discovery under this USB device
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local NETS=""
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for n in $(find "$dev" -maxdepth 5 -name "net" 2>/dev/null); do
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[ -d "$n" ] || continue
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for iface in "$n"/*; do
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[ -d "$iface" ] || continue
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local b=$(basename "$iface")
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case "$b" in
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lo|br-*|eth*|lan*|wan*|sfp*) ;;
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*) case " $NETS " in *" $b "*) ;; *) NETS="$NETS $b" ;; esac ;;
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esac
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done
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done
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# Fallback net search via /sys/class/net
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if [ -z "$NETS" ]; then
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for n in /sys/class/net/*; do
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[ -d "$n" ] || continue
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local n_target=$(readlink "$n" 2>/dev/null || readlink -f "$n" 2>/dev/null)
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case "$n_target" in
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*"$DEVNAME"*)
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local b=$(basename "$n")
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case "$b" in
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lo|br-*|eth*|lan*|wan*|sfp*) ;;
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*) case " $NETS " in *" $b "*) ;; *) NETS="$NETS $b" ;; esac ;;
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esac
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;;
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esac
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done
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fi
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NETS=$(echo "$NETS" | sed 's/^ *//')
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if [ -n "$TTYS" ] || [ -n "$NETS" ] || [ $IS_MODEM -eq 1 ]; then
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IS_MODEM=1
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fi
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[ $IS_MODEM -eq 1 ] || continue
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local MFG=$(get_sys_attr "$dev/manufacturer")
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local PROD=$(get_sys_attr "$dev/product")
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local SER=$(get_sys_attr "$dev/serial")
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local PRIMARY_TTY=""
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for t in $TTYS; do
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case "$t" in
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*ttyUSB2|*ttyACM0)
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PRIMARY_TTY="$t"
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break
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;;
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esac
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done
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[ -z "$PRIMARY_TTY" ] && PRIMARY_TTY=$(echo "$TTYS" | awk '{print $1}')
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local PRIMARY_NET=$(echo "$NETS" | awk '{print $1}')
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local DRIVER="option"
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for drv in $(find "$dev" -name "driver" 2>/dev/null); do
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local drv_target=$(basename "$(readlink -f "$drv" 2>/dev/null)")
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case "$drv_target" in
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cdc_mbim|cdc_ncm|qmi_wwan|cdc_ether|rndis_host)
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DRIVER="$drv_target"
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break
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;;
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esac
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done
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[ $FIRST -eq 1 ] || echo ","
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FIRST=0
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local TTY_JSON=""
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for t in $TTYS; do
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[ -n "$TTY_JSON" ] && TTY_JSON="$TTY_JSON, "
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TTY_JSON="$TTY_JSON\"$t\""
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done
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local NET_JSON=""
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for n in $NETS; do
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[ -n "$NET_JSON" ] && NET_JSON="$NET_JSON, "
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NET_JSON="$NET_JSON\"$n\""
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done
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cat <<EOF
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{
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"id": "$DEVNAME",
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"vid": "$VID",
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"pid": "$PID",
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"vendor": "${MFG:-Generic}",
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"model": "${PROD:-Modem}",
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"serial": "${SER}",
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"driver": "$DRIVER",
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"primary_port": "$PRIMARY_TTY",
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"primary_net": "$PRIMARY_NET",
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"ports": [ $TTY_JSON ],
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||||
"nets": [ $NET_JSON ]
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||||
}
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||||
EOF
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||||
done
|
||||
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||||
echo " ]"
|
||||
echo "}"
|
||||
}
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||||
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||||
mkdir -p "$RUN_DIR"
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||||
OUTPUT=$(detect_all)
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||||
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||||
# Atomic update cache
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||||
echo "$OUTPUT" > "${CACHE_FILE}.tmp" && mv -f "${CACHE_FILE}.tmp" "$CACHE_FILE"
|
||||
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||||
# Output to stdout if not purely --cache mode
|
||||
if [ "$1" != "--cache" ]; then
|
||||
echo "$OUTPUT"
|
||||
fi
|
||||
|
||||
exit 0
|
||||
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Block a user