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--- sdk:scripts:sms-control [2015/01/28 08:24] – [Application] dotoli
+++ sdk:scripts:sms-control [2022/08/26 11:04] (current) – created dodenhoeft
@@ Line 1: / Line 1: @@
-====== SDK Script sms-control.are ======
+====== SMS-Control ======
-You will also find this sample script on the router.
 <code c sms-control.are>
 /* DESC: This script will execute commands received by SMS.
  * Copyright (C) 2012 NetModule AG, Switzerland
+ *
+ * sms-commands:
+ * <reboot>: reboot netmodule router
+ * <connect>: configure wanlink 0 permanent
+ * <disconnect>: configure wanlink 0 disable
+ * <status>: get system status summary
+ * <output [1|2] [on|off]> set dio n on or off
  */
@@ Line 9: / Line 17: @@
 MAXMSG          = 5;                            /* process max. 5 msgs                          */
 MAXAGE          = 300;                          /* message mustn't be older than 5 mins         */
-MAXLINES	= 32;				/* max. number of lines in msg (incl. header)   */
+MAXLINES        = 32;                           /* max. number of lines in msg (incl. header)   */
 AUTH            = 1;                            /* perform authentication                       */
 ADMPWD          = "";                           /* password used for authentication             */
@@ Line 34: / Line 42: @@
     }
     if (IGNORECASE) ADMPWD = tolower(ADMPWD);
+}
+/* split a message into an array */
+array split(string msg) {
+  args=mkarray();
+  pos=strchr(msg, "\r");
+  if(pos==0) msg="";
+  if(pos>0) msg=left(msg, pos);
+  pos=strchr(msg, "\n");
+  if(pos==0) msg="";
+  if(pos>0) msg=left(msg, pos);
+  for(n=0;;) {
+    pos=strchr(msg, " ");
+    if(is_void(pos)) pos=strchr(msg, "\t");
+    if(is_void(pos)) pos=strchr(msg, "\f");
+    if(pos==0) {
+      msg=trim(msg);
+    } else if(pos>0) {
+      args[n++]=trim(left(msg, pos));
+      msg=trim(substr(msg, pos));
+    } else {
+      if(msg!="") args[n++]=trim(msg);
+      break;
+    }
+  }
+  return args;
 }
 /* parse message */
-string parse (string msg)
+array parse (string msg)
 {
     /* read by line */
@@ Line 48: / Line 82: @@
     for (lnr = 0; lnr < MAXLINES && strlen(lp) > 0; lnr++) {
         pos = strchr(lp, "\n");
-    	if (is_void(pos)) pos = strlen(lp);
+        if (is_void(pos)) pos = strlen(lp);
         line = left(lp, pos);
-	lp = substr(lp, pos + 1);
+        lp = substr(lp, pos + 1);
         if (strlen(line) == 0) {
             /* saw header separator */
@@ Line 71: / Line 105: @@
                     nb_syslog("message has been sent %ds ago", age);
                     if (age > MAXAGE) {
-                    	nb_syslog("rejecting too old message");
+                        nb_syslog("rejecting too old message");
-                        return "";
+                        return mkarray();
                     }
                 } else {
@@ Line 90: / Line 124: @@
                 if (allowed == 0) {
                     nb_syslog("rejecting message from unknown sender %s", from);
-                    return "";
+                    return mkarray();
                 } else {
                     nb_syslog("sender %s can pass", from);
@@ Line 103: / Line 137: @@
                 if (left(line, strlen(ADMPWD)) != ADMPWD) {
                     nb_syslog("authentication failed");
-                    return "";
+                    return mkarray();
                 } else {
                     nb_syslog("authentication succeeded");
@@ Line 109: / Line 143: @@
             } else if ((AUTH && tlnr == 1) || (!AUTH && tlnr == 0)) {
                 /* this line must contain the command */
-                if (left(line, 6) == "reboot") {
+                return split(line);
-                    return "reboot";
-                } else if (left(line, 7) == "connect") {
-                    return "connect";
-                } else if (left(line, 10) == "disconnect") {
-                    return "disconnect";
-                } else if (left(line, 6) == "status") {
-                    return "status";
-                } else if (left(line, 6) == "output") {
-                    return left(line, 13);
-                }
             } else {
                 break;
@@ Line 129: / Line 153: @@
     nb_syslog("no command detected");
-    return "";
+    return mkarray();
 }
-int setdio (string cmd)
+int setdio (string port, string newstate)
 {
-    newstate = substr(cmd, 9, 3);
-    port = substr(cmd, 7, 1);
     if (port != "1" && port != "2") {
         nb_syslog("invalid DIO port %s\n", port);
@@ Line 152: / Line 173: @@
     rc = nb_dio_set(sprintf("out%s", port), st);
     if (rc) {
-        nb_syslog("Unable to set state %s for DIO output port %s\n", newstate, dout);
+        nb_syslog("Unable to set state %s for DIO output port %s\n", newstate, port);
         return -1;
     } else {
-        nb_syslog("Setting state %s for DIO output port %s\n", newstate, dout);
+        nb_syslog("Setting state %s for DIO output port %s\n", newstate, port);
         return 0;
     }
@@ Line 200: / Line 221: @@
 /* track states */
 reboot = 0;
-connecting = 0;
-disconnecting = 0;
 /* only process latest messages */
@@ Line 215: / Line 233: @@
                i, nr_msgs, msgs[i]);
-    cmd = parse(msg);
+    args = parse(msg);
-    if (cmd == "reboot") {
+    if ((is_array(args)) && (length(args) > 0)) {
-        nb_syslog("reboot command received");
+        if (args[0] == "") {
-        reboot = 1;
+            nb_syslog("no command");
-    } else if (cmd == "connect") {
+        } else if ((args[0] == "reboot") && (length(args) == 1)) {
-        nb_syslog("connect command received");
+            nb_syslog("reboot command received");
-        if (connecting) {
+            reboot = 1;
-            nb_syslog("already connecting");
+        } else if ((args[0] == "connect") && (length(args) == 1)) {
-        } else {
+            nb_syslog("connect command received");
-            /* enable first wanlink */
+            if (nb_config_get("wanlink.0.mode") == "1") {
-            nb_config_set("wanlink.0.mode=1");
+                nb_syslog("already connecting");
-            connecting = 1;
-        }
-    } else if (cmd == "disconnect") {
-        nb_syslog("disconnect command received");
-        if (disconnecting) {
-            nb_syslog("already disconnecting");
-        } else {
-            /* disable first wanlink */
-            nb_config_set("wanlink.0.mode=0");
-            disconnecting = 1;
-        }
-    } else if (cmd == "status") {
-        nb_syslog("status command received");
-        rcpt = nb_sms_header(msgs[i], "From");
-        if (rcpt) {
-            id = nb_sms_send(rcpt, nb_status_summary());
-            if (!id) {
-                nb_syslog("unable to send status message to %s", rcpt);
             } else {
-                nb_syslog("successfully queued status message to %s (ID %s)", rcpt, id);
+                /* enable first wanlink */
+                nb_config_set("wanlink.0.mode=1");
             }
+        } else if ((args[0] == "disconnect") && (length(args) == 1)) {
+            nb_syslog("disconnect command received");
+            if (nb_config_get("wanlink.0.mode") == "0") {
+                nb_syslog("already disconnecting");
+            } else {
+                /* disable first wanlink */
+                nb_config_set("wanlink.0.mode=0");
+            }
+        } else if ((args[0] == "status") && (length(args) == 1)) {
+            nb_syslog("status command received");
+            rcpt = nb_sms_header(msgs[i], "From");
+            if (rcpt) {
+                id = nb_sms_send(rcpt, nb_status_summary());
+                if (!id) {
+                    nb_syslog("unable to send status message to %s", rcpt);
+                } else {
+                    nb_syslog("successfully queued status message to %s (ID %s)", rcpt, id);
+                }
+            }
+        } else if ((args[0] == "output") && (length(args) == 3)) {
+            nb_syslog("dio out command received");
+            setdio(args[1], args[2]);
+        } else {
+            nb_syslog("command <%s> not supported", msg);
         }
-    } else if (left(cmd,6) == "output") {
-        nb_syslog("dio out command received");
-        setdio(cmd);
     } else {
         nb_syslog("ignoring invalid message");
     }
-    /* delete message  */
+    /* delete message */
     ret = nb_sms_delete(msgs[i]);
     if (ret == 0) nb_syslog("deleted message %s", msgs[i]);
@@ Line 261: / Line 283: @@
 if (reboot == 1) {
-    /* trigger reboot  */
+    /* trigger reboot */
     nb_syslog("rebooting system");
     nb_reboot();
@@ Line 267: / Line 289: @@
 exit(0);
 </code>
-------------------------------------------------------------------------------------------------------------------
-====== Application ======
-Scrips -->edit, 	Arguments: leave the field empty (default) or noauth\\
-empty     =  the password is needed; 1. line = password, 2. line = command\\
-noauth    =  no router password is needed\\
-The SMS must be send to the SIM-card phone number. (e.g. +41791112233)
-**SMS commands:**
-status:			Sends back the status.\\
-connect:		Builds up the data connection.\\
-disconnect:     	Terminates the data connection.\\
-reboot:			Reboots the router.\\
-output 1[2] on[off]	Turns on/off the desired output port.\\

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