Implementation for the Serial/TCP Modbus protocol. 

stefanpoeter

jsmodbus

cloud-automation

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Bad dependency semver

Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

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Bidirectional unicode control characters

This package has multiple bin scripts with the same name.  This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack

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Bin script confusion

Semantic versions published out of chronological order.

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Chronological version anomaly

Project maintainer's SSH key has been compromised.

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Compromised SSH key

(Experimental) Copyleft license information was found

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Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

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Title

Critical CVE

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

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Deprecated

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Deprecated SPDX exception

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Deprecated license

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Possible typosquat attack

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Dynamic require

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Filesystem access

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Git dependency

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GitHub dependency

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Native code

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High entropy strings

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Unicode homoglyphs

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HTTP dependency

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Install scripts

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Invalid manifest file

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Invisible chars

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Long strings

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Major refactor

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Known malware

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Manifest confusion

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Medium CVE

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Low CVE

This package contains minified code.  This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

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Minified code

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Modified license exception

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Modified license

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Network access

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New author

Package does not specify a list of contributors or an author in package.json.

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No contributors or author data

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No bug tracker

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No repository

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Non FSF license

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Non SPDX license

(Experimental) A license not known to be considered permissive was found

		{
		"name": "jsmodbus",
		"version": "1.2.2",
		"version": "1.2.3",
		"description": "Implementation for the Serial/TCP Modbus protocol.",
		@@ -5,0 +5,0 @@ "author": "Stefan Poeter <stefan.poeter@cloud-automation.de>",

		@@ -45,3 +45,3 @@ var stampit = require('stampit'),
		.word8(fc)
		.word16be(startAddress)
		.word16be(startAddress);

		@@ -52,3 +52,3 @@ if (coils instanceof Buffer) {
		.word8(coils.length)
		.put(coils)
		.put(coils);
		} else if (coils instanceof Array) {
		@@ -63,3 +63,3 @@
		curByte = 0,
		cntr = 0
		cntr = 0;

		@@ -76,4 +76,4 @@ pdu.word16be(coils.length)
		if (cntr === 0 \|\| i === coils.length - 1 ) {
		pdu.word8(curByte)
		curByte = 0
		pdu.word8(curByte);
		curByte = 0;
		}
		@@ -80,0 +80,0 @@ }

		@@ -42,2 +42,3 @@ var stampit = require('stampit'),

		// error response
		if (start > mem.length * 8 \|\| start + quantity > mem.length * 8) {
		@@ -55,4 +56,7 @@

		// reading old value from the coils register
		oldValue = mem.readUInt8(Math.floor(i / 8));



		// apply new value
		if (Math.pow(2, j % 8) & current) {
		@@ -64,8 +68,10 @@ newValue = oldValue \| Math.pow(2, i % 8);

		mem.writeUInt8(newValue, Math.floor(start / 8));
		// write to buffer
		mem.writeUInt8(newValue, Math.floor(i / 8));

		// read new value from request pdu
		j += 1;

		if (j % 8 === 0) {

		if (j % 8 === 0 && j < quantity) {

		current = pdu.readUInt8(6 + Math.floor(j / 8));
		@@ -72,0 +78,0 @@

Improved metrics