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Added support for V3 

Added support for version 3.
All the existing issues with v1 and v2c are also with v3 e.g.
https://github.com/node-red/node-red-nodes/issues/679
snmp walker will not return more than 1000 objects, all following objects cannot be accessed
Incorrect encryption (privacy) passphrase gives a timeout and not an error (protocol limitation?)
Incorrect community string gives a timeout and not an error (protocol limitation?)
Changes to the node are made with following details:
Node-red v1.2.2
Node.js v12.6.0
Windows_NT 10.0.19841 x64 LE
This commit is contained in:
andres 2020-10-24 11:07:16 +10:00
parent 8f2c631410
commit 4b99a5f4d1
4 changed files with 545 additions and 79 deletions
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82
io/snmp/README.md
View File

@ -18,9 +18,15 @@ Usage
SNMP oids fetcher. Can fetch a single or comma separated list of oids. Triggered by any input.
`msg.host` may contain the host.
`msg.host` may contain the host including the port.
`msg.community` may contain the community.
`msg.community` may contain the community. (v1 and v2c only)
`msg.username` may contain the username. (v3 only)
`msg.authkey` may contain the digest security key. (v3 only)
`msg.privkey` may contain the encryption security key. (v3 only)
`msg.oid` may contain a comma separated list of oids to search for. (no spaces)
@ -28,6 +34,12 @@ The host configured in the edit config will override `msg.host`. Leave blank if
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The username configured in the edit config will override `msg.username`. Leave blank if you want to use `msg.username` to provide input.
The digest security key configured in the edit config will override `msg.authkey`. Leave blank if you want to use `msg.authkey` to provide input.
The encryption security key configured in the edit config will override `msg.privkey`. Leave blank if you want to use `msg.privkey` to provide input.
The oids configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.
@ -38,9 +50,15 @@ Values depends on the oids being requested.
SNMP sets the value of one or more OIDs.
`msg.host` may contain the host.
`msg.host` may contain the host including the port.
`msg.community` may contain the community.
`msg.community` may contain the community. (v1 and v2c only)
`msg.username` may contain the username. (v3 only)
`msg.authkey` may contain the digest security key. (v3 only)
`msg.privkey` may contain the encryption security key. (v3 only)
`msg.varbinds` may contain an array of varbind JSON objects e.g.:
```
@ -81,6 +99,12 @@ The host configured in the edit config will override `msg.host`. Leave blank if
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The username configured in the edit config will override `msg.username`. Leave blank if you want to use `msg.username` to provide input.
The digest security key configured in the edit config will override `msg.authkey`. Leave blank if you want to use `msg.authkey` to provide input.
The encryption security key configured in the edit config will override `msg.privkey`. Leave blank if you want to use `msg.privkey` to provide input.
The varbinds configured in the edit config will override `msg.varbinds`. Leave blank if you want to use `msg.varbinds` to provide input.
@ -89,16 +113,28 @@ The varbinds configured in the edit config will override `msg.varbinds`. Leave b
Simple SNMP table oid fetcher. Triggered by any input.
`msg.host` may contain the host.
`msg.host` may contain the host including the port.
`msg.community` may contain the community.
`msg.community` may contain the community. (v1 and v2c only)
`msg.oid` may contain the oid of a single table to search for.
`msg.username` may contain the username. (v3 only)
`msg.authkey` may contain the digest security key. (v3 only)
`msg.privkey` may contain the encryption security key. (v3 only)
`msg.oid` may contain a comma separated list of oids to search for. (no spaces)
The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The username configured in the edit config will override `msg.username`. Leave blank if you want to use `msg.username` to provide input.
The digest security key configured in the edit config will override `msg.authkey`. Leave blank if you want to use `msg.authkey` to provide input.
The encryption security key configured in the edit config will override `msg.privkey`. Leave blank if you want to use `msg.privkey` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.
@ -109,9 +145,15 @@ Values depends on the oids being requested.
Simple SNMP oid subtree fetcher. Triggered by any input. Reads from OID specified and any below it.
`msg.host` may contain the host.
`msg.host` may contain the host including the port.
`msg.community` may contain the community.
`msg.community` may contain the community. (v1 and v2c only)
`msg.username` may contain the username. (v3 only)
`msg.authkey` may contain the digest security key. (v3 only)
`msg.privkey` may contain the encryption security key. (v3 only)
`msg.oid` may contain the oid of a single table to search for.
@ -119,6 +161,12 @@ The host configured in the edit config will override `msg.host`. Leave blank if
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The username configured in the edit config will override `msg.username`. Leave blank if you want to use `msg.username` to provide input.
The digest security key configured in the edit config will override `msg.authkey`. Leave blank if you want to use `msg.authkey` to provide input.
The encryption security key configured in the edit config will override `msg.privkey`. Leave blank if you want to use `msg.privkey` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.
@ -129,9 +177,15 @@ Values depends on the oids being requested.
Simple SNMP oid walker fetcher. Triggered by any input. Reads from OID specified to the end of the table.
`msg.host` may contain the host.
`msg.host` may contain the host including the port.
`msg.community` may contain the community.
`msg.community` may contain the community. (v1 and v2c only)
`msg.username` may contain the username. (v3 only)
`msg.authkey` may contain the digest security key. (v3 only)
`msg.privkey` may contain the encryption security key. (v3 only)
`msg.oid` may contain the oid of a single table to search for.
@ -139,6 +193,12 @@ The host configured in the edit config will override `msg.host`. Leave blank if
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The username configured in the edit config will override `msg.username`. Leave blank if you want to use `msg.username` to provide input.
The digest security key configured in the edit config will override `msg.authkey`. Leave blank if you want to use `msg.authkey` to provide input.
The encryption security key configured in the edit config will override `msg.privkey`. Leave blank if you want to use `msg.privkey` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.

7
io/snmp/package.json
View File

@ -1,9 +1,9 @@
{
"name" : "node-red-node-snmp",
"version" : "0.0.25",
"version" : "0.0.26",
"description" : "A Node-RED node that looks for SNMP oids.",
"dependencies" : {
"net-snmp" : "1.2.4"
"net-snmp" : "2.9.6"
},
"repository" : {
"type":"git",
@ -23,6 +23,7 @@
},
"contributors": [
{ "name": "Mika Karaila" },
{ "name": "Bryan Malyn" }
{ "name": "Bryan Malyn" },
{ "name": "Andres" }
]
}

328
io/snmp/snmp.html
View File

@ -3,19 +3,56 @@
<label for="node-input-host"><i class="fa fa-globe"></i> Host</label>
<input type="text" id="node-input-host" placeholder="ip address(:optional port)">
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<div class="form-row">
<label for="node-input-version"><i class="fa fa-bookmark"></i> Version</label>
<select type="text" id="node-input-version" style="width:150px;">
<option value="1">v1</option>
<option value="2c">v2c</option>
<option value="v1">v1</option>
<option value="v2c">v2c</option>
<option value="v3">v3</option>
</select>
<span style="margin-left:50px;">Timeout</span>
<input type="text" id="node-input-timeout" placeholder="secs" style="width:50px; direction:rtl; vertical-align:baseline;">&nbsp;S
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<!-- Following Data is used for V3 Only -->
<div class="form-row">
<label for="node-input-username"><i class="fa fa-user"></i> Username</label>
<input type="text" id="node-input-username" placeholder="username">
</div>
<div class="form-row">
<label for="node-input-auth"><i class="fa fa-user-secret"></i> Auth. </label>
<select type="text" id="node-input-auth" style="width:150px;">
<option value="noAuthNoPriv">noAuthNoPriv</option>
<option value="authNoPriv">authNoPriv</option>
<option value="authPriv">authPriv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authprot"><i class="fa fa-user-secret"></i> Auth.Prot. </label>
<select type="text" id="node-input-authprot" style="width:150px;">
<option value="None">None</option>
<option value="MD5">MD5</option>
<option value="SHA">SHA</option>
</select>
<span style="margin-left:50px;">Priv.Prot.</span>
<select type="text" id="node-input-privprot" style="width:150px;">
<option value="None">None</option>
<option value="DES">DES</option>
<option value="AES">AES</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authkey"><i class="fa fa-user"></i> Auth.Key</label>
<input type="password" id="node-input-authkey" placeholder="Authentication key">
</div>
<div class="form-row">
<label for="node-input-privkey"><i class="fa fa-user"></i> Priv.Key</label>
<input type="password" id="node-input-privkey" placeholder="Encryption key">
</div>
<!-- End of unique data for V3 -->
<div class="form-row">
<label for="node-input-oids"><i class="fa fa-tags"></i> OIDs</label>
<textarea rows="4" cols="60" id="node-input-oids" placeholder="e.g. 1.3.6.1.2.1.1.5.0" style="width:70%;"></textarea>
@ -31,6 +68,9 @@
<p>Simple SNMP oid or oid list fetcher. Triggered by any input.</p>
<p><code>msg.host</code> may contain the host.</p>
<p><code>msg.community</code> may contain the community.</p>
<p><code>msg.username</code> may contain the username.</p>
<p><code>msg.authkey</code> may contain the digest security key.</p>
<p><code>msg.privkey</code> may contain the encryption security key.</p>
<p><code>msg.oid</code> may contain a comma separated list of oids to request. (no spaces)</p>
<p>OIDs must be numeric. iso. is the same a 1. </p>
<p>The node will output <code>msg.payload</code> and <code>msg.oid</code>.</p>
@ -42,10 +82,16 @@
color: "YellowGreen",
defaults: {
host: { value: "127.0.0.1" },
community: { value: "public" },
version: { value: "1", required: true },
oids: { value: "" },
version: { value: "v1", required: true },
timeout: { value: 5 },
community: { value: "public" },
username: { value: "" },
auth: { value: "noAuthNoPriv", required: true },
authprot: { value: "None", required: true },
privprot: { value: "None", required: true },
authkey: { value: "" },
privkey: { value: "" },
oids: { value: "" },
name: { value: "" }
},
inputs: 1,
@ -65,19 +111,58 @@
<label for="node-input-host"><i class="fa fa-globe"></i> Host</label>
<input type="text" id="node-input-host" placeholder="ip address(:optional port)">
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<div class="form-row">
<label for="node-input-version"><i class="fa fa-bookmark"></i> Version</label>
<select type="text" id="node-input-version" style="width:150px;">
<option value="1">v1</option>
<option value="2c">v2c</option>
<option value="v1">v1</option>
<option value="v2c">v2c</option>
<!-- Following Data is used for V3 Only -->
<option value="v3">v3</option>
<!-- End of unique data for V3 -->
</select>
<span style="margin-left:50px;">Timeout</span>
<input type="text" id="node-input-timeout" placeholder="secs" style="width:50px; direction:rtl; vertical-align:baseline;">&nbsp;S
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<!-- Following Data is used for V3 Only -->
<div class="form-row">
<label for="node-input-username"><i class="fa fa-user"></i> Username</label>
<input type="text" id="node-input-username" placeholder="username">
</div>
<div class="form-row">
<label for="node-input-auth"><i class="fa fa-user-secret"></i> Auth. </label>
<select type="text" id="node-input-auth" style="width:150px;">
<option value="noAuthNoPriv">noAuthNoPriv</option>
<option value="authNoPriv">authNoPriv</option>
<option value="authPriv">authPriv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authprot"><i class="fa fa-user-secret"></i> Auth.Prot. </label>
<select type="text" id="node-input-authprot" style="width:150px;">
<option value="None">None</option>
<option value="MD5">MD5</option>
<option value="SHA">SHA</option>
</select>
<span style="margin-left:50px;">Priv.Prot.</span>
<select type="text" id="node-input-privprot" style="width:150px;">
<option value="None">None</option>
<option value="DES">DES</option>
<option value="AES">AES</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authkey"><i class="fa fa-user"></i> Auth.Key</label>
<input type="password" id="node-input-authkey" placeholder="Authentication key">
</div>
<div class="form-row">
<label for="node-input-privkey"><i class="fa fa-user"></i> Priv.Key</label>
<input type="password" id="node-input-privkey" placeholder="Encryption key">
</div>
<!-- End of unique data for V3 -->
<div class="form-row">
<label for="node-input-varbinds"><i class="fa fa-tags"></i> Varbinds</label>
<textarea rows="10" cols="60" id="node-input-varbinds" placeholder="e.g. [ { &quot;oid&quot;: &quot;1.3.6.1.2.1.1.5.0&quot;,&quot;type&quot;: &quot;OctetString&quot;,&quot;value&quot;: &quot;host1&quot;},{&quot;oid&quot;: &quot;1.3.6.1.2.1.1.6.0&quot;,&quot;type&quot;: &quot;OctetString&quot;,value: &quot;somewhere&quot;}]"
@ -94,6 +179,9 @@
<p>Simple snmp Set node. Trigger by any input</p>
<p><code>msg.host</code> may contain the host.</p>
<p><code>msg.community</code> may contain the community.</p>
<p><code>msg.username</code> may contain the username.</p>
<p><code>msg.authkey</code> may contain the digest security key.</p>
<p><code>msg.privkey</code> may contain the encryption security key.</p>
<p><code>msg.varbinds</code> may contain varbinds as an array of json objects containing multiple oids, types and values.
<pre>[
{
@ -114,10 +202,16 @@
color: "YellowGreen",
defaults: {
host: { value: "127.0.0.1" },
community: { value: "public" },
version: { value: "1", required: true },
varbinds: { value: "" },
version: { value: "v1", required: true },
timeout: { value: 5 },
community: { value: "public" },
username: { value: "" },
auth: { value: "noAuthNoPriv", required: true },
authprot: { value: "None", required: true },
privprot: { value: "None", required: true },
authkey: { value: "" },
privkey: { value: "" },
varbinds: { value: "" },
name: { value: "" }
},
inputs: 1,
@ -137,19 +231,58 @@
<label for="node-input-host"><i class="fa fa-globe"></i> Host</label>
<input type="text" id="node-input-host" placeholder="ip address(:optional port)">
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<div class="form-row">
<label for="node-input-version"><i class="fa fa-bookmark"></i> Version</label>
<select type="text" id="node-input-version" style="width:150px;">
<option value="1">v1</option>
<option value="2c">v2c</option>
<option value="v1">v1</option>
<option value="v2c">v2c</option>
<!-- Following Data is used for V3 Only -->
<option value="v3">v3</option>
<!-- End of unique data for V3 -->
</select>
<span style="margin-left:50px;">Timeout</span>
<input type="text" id="node-input-timeout" placeholder="secs" style="width:50px; direction:rtl; vertical-align:baseline;">&nbsp;S
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<!-- Following Data is used for V3 Only -->
<div class="form-row">
<label for="node-input-username"><i class="fa fa-user"></i> Username</label>
<input type="text" id="node-input-username" placeholder="username">
</div>
<div class="form-row">
<label for="node-input-auth"><i class="fa fa-user-secret"></i> Auth. </label>
<select type="text" id="node-input-auth" style="width:150px;">
<option value="noAuthNoPriv">noAuthNoPriv</option>
<option value="authNoPriv">authNoPriv</option>
<option value="authPriv">authPriv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authprot"><i class="fa fa-user-secret"></i> Auth.Prot. </label>
<select type="text" id="node-input-authprot" style="width:150px;">
<option value="None">None</option>
<option value="MD5">MD5</option>
<option value="SHA">SHA</option>
</select>
<span style="margin-left:50px;">Priv.Prot.</span>
<select type="text" id="node-input-privprot" style="width:150px;">
<option value="None">None</option>
<option value="DES">DES</option>
<option value="AES">AES</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authkey"><i class="fa fa-user"></i> Auth.Key</label>
<input type="password" id="node-input-authkey" placeholder="Authentication key">
</div>
<div class="form-row">
<label for="node-input-privkey"><i class="fa fa-user"></i> Priv.Key</label>
<input type="password" id="node-input-privkey" placeholder="Encryption key">
</div>
<!-- End of unique data for V3 -->
<div class="form-row">
<label for="node-input-oids"><i class="fa fa-tags"></i> OID</label>
<input type="text" id="node-input-oids" placeholder="e.g. 1.3.6.1.2.1.1.5.0">
@ -165,6 +298,9 @@
<p>Simple SNMP oid table fetcher. Triggered by any input.</p>
<p><code>msg.host</code> may contain the host.</p>
<p><code>msg.community</code> may contain the community.</p>
<p><code>msg.username</code> may contain the username.</p>
<p><code>msg.authkey</code> may contain the digest security key.</p>
<p><code>msg.privkey</code> may contain the encryption security key.</p>
<p><code>msg.oid</code> may contain the oid of a table to request.</p>
<p>OID must be numeric. iso. is the same a 1.</p>
<p>The node will output <code>msg.payload</code> and <code>msg.oid</code>.</p>
@ -176,10 +312,16 @@
color: "YellowGreen",
defaults: {
host: { value: "127.0.0.1" },
community: { value: "public" },
version: { value: "1", required: true },
oids: { value: "" },
version: { value: "v1", required: true },
timeout: { value: 5 },
community: { value: "public" },
username: { value: "" },
auth: { value: "noAuthNoPriv", required: true },
authprot: { value: "None", required: true },
privprot: { value: "None", required: true },
authkey: { value: "" },
privkey: { value: "" },
oids: { value: "" },
name: { value: "" }
},
inputs: 1,
@ -199,19 +341,58 @@
<label for="node-input-host"><i class="fa fa-globe"></i> Host</label>
<input type="text" id="node-input-host" placeholder="ip address(:optional port)">
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<div class="form-row">
<label for="node-input-version"><i class="fa fa-bookmark"></i> Version</label>
<select type="text" id="node-input-version" style="width:150px;">
<option value="1">v1</option>
<option value="2c">v2c</option>
<option value="v1">v1</option>
<option value="v2c">v2c</option>
<!-- Following Data is used for V3 Only -->
<option value="v3">v3</option>
<!-- End of unique data for V3 -->
</select>
<span style="margin-left:50px;">Timeout</span>
<input type="text" id="node-input-timeout" placeholder="secs" style="width:50px; direction:rtl; vertical-align:baseline;">&nbsp;S
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<!-- Following Data is used for V3 Only -->
<div class="form-row">
<label for="node-input-username"><i class="fa fa-user"></i> Username</label>
<input type="text" id="node-input-username" placeholder="username">
</div>
<div class="form-row">
<label for="node-input-auth"><i class="fa fa-user-secret"></i> Auth. </label>
<select type="text" id="node-input-auth" style="width:150px;">
<option value="noAuthNoPriv">noAuthNoPriv</option>
<option value="authNoPriv">authNoPriv</option>
<option value="authPriv">authPriv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authprot"><i class="fa fa-user-secret"></i> Auth.Prot. </label>
<select type="text" id="node-input-authprot" style="width:150px;">
<option value="None">None</option>
<option value="MD5">MD5</option>
<option value="SHA">SHA</option>
</select>
<span style="margin-left:50px;">Priv.Prot.</span>
<select type="text" id="node-input-privprot" style="width:150px;">
<option value="None">None</option>
<option value="DES">DES</option>
<option value="AES">AES</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authkey"><i class="fa fa-user"></i> Auth.Key</label>
<input type="password" id="node-input-authkey" placeholder="Authentication key">
</div>
<div class="form-row">
<label for="node-input-privkey"><i class="fa fa-user"></i> Priv.Key</label>
<input type="password" id="node-input-privkey" placeholder="Encryption key">
</div>
<!-- End of unique data for V3 -->
<div class="form-row">
<label for="node-input-oids"><i class="fa fa-tags"></i> OID</label>
<input type="text" id="node-input-oids" placeholder="e.g. 1.3.6.1.2.1.1.5.0">
@ -227,6 +408,9 @@
<p>Simple SNMP oid subtree fetcher. Triggered by any input. Reads all OIDS at and below the current base OID.</p>
<p><code>msg.host</code> may contain the host.</p>
<p><code>msg.community</code> may contain the community.</p>
<p><code>msg.username</code> may contain the username.</p>
<p><code>msg.authkey</code> may contain the digest security key.</p>
<p><code>msg.privkey</code> may contain the encryption security key.</p>
<p><code>msg.oid</code> may contain the oid of a table to request.</p>
<p>OID must be numeric. iso. is the same a 1. </p>
<p>The node will output <code>msg.payload</code> and <code>msg.oid</code>.</p>
@ -238,10 +422,16 @@
color: "YellowGreen",
defaults: {
host: { value: "127.0.0.1" },
community: { value: "public" },
version: { value: "1", required: true },
oids: { value: "" },
version: { value: "v1", required: true },
timeout: { value: 5 },
community: { value: "public" },
username: { value: "" },
auth: { value: "noAuthNoPriv", required: true },
authprot: { value: "None", required: true },
privprot: { value: "None", required: true },
authkey: { value: "" },
privkey: { value: "" },
oids: { value: "" },
name: { value: "" }
},
inputs: 1,
@ -262,19 +452,58 @@
<label for="node-input-host"><i class="fa fa-globe"></i> Host</label>
<input type="text" id="node-input-host" placeholder="ip address(:optional port)">
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<div class="form-row">
<label for="node-input-version"><i class="fa fa-bookmark"></i> Version</label>
<select type="text" id="node-input-version" style="width:150px;">
<option value="1">v1</option>
<option value="2c">v2c</option>
<option value="v1">v1</option>
<option value="v2c">v2c</option>
<!-- Following Data is used for V3 Only -->
<option value="v3">v3</option>
<!-- End of unique data for V3 -->
</select>
<span style="margin-left:50px;">Timeout</span>
<input type="text" id="node-input-timeout" placeholder="secs" style="width:50px; direction:rtl; vertical-align:baseline;">&nbsp;S
</div>
<div class="form-row">
<label for="node-input-community"><i class="fa fa-user"></i> Community</label>
<input type="text" id="node-input-community" placeholder="public">
</div>
<!-- Following Data is used for V3 Only -->
<div class="form-row">
<label for="node-input-username"><i class="fa fa-user"></i> Username</label>
<input type="text" id="node-input-username" placeholder="username">
</div>
<div class="form-row">
<label for="node-input-auth"><i class="fa fa-user-secret"></i> Auth. </label>
<select type="text" id="node-input-auth" style="width:150px;">
<option value="noAuthNoPriv">noAuthNoPriv</option>
<option value="authNoPriv">authNoPriv</option>
<option value="authPriv">authPriv</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authprot"><i class="fa fa-user-secret"></i> Auth.Prot. </label>
<select type="text" id="node-input-authprot" style="width:150px;">
<option value="None">None</option>
<option value="MD5">MD5</option>
<option value="SHA">SHA</option>
</select>
<span style="margin-left:50px;">Priv.Prot.</span>
<select type="text" id="node-input-privprot" style="width:150px;">
<option value="None">None</option>
<option value="DES">DES</option>
<option value="AES">AES</option>
</select>
</div>
<div class="form-row">
<label for="node-input-authkey"><i class="fa fa-user"></i> Auth.Key</label>
<input type="password" id="node-input-authkey" placeholder="Authentication key">
</div>
<div class="form-row">
<label for="node-input-privkey"><i class="fa fa-user"></i> Priv.Key</label>
<input type="password" id="node-input-privkey" placeholder="Encryption key">
</div>
<!-- End of unique data for V3 -->
<div class="form-row">
<label for="node-input-oids"><i class="fa fa-tags"></i> OID</label>
<input type="text" id="node-input-oids" placeholder="e.g. 1.3.6.1.2.1.1.5.0">
@ -291,6 +520,9 @@
Fetches all nodes from this OID to the end of the table.</p>
<p><code>msg.host</code> may contain the host.</p>
<p><code>msg.community</code> may contain the community.</p>
<p><code>msg.username</code> may contain the username.</p>
<p><code>msg.authkey</code> may contain the digest security key.</p>
<p><code>msg.privkey</code> may contain the encryption security key.</p>
<p><code>msg.oid</code> may contain the oid of a table to request.</p>
<p>OID must be numeric. iso. is the same a 1. </p>
<p>The node will output <code>msg.payload</code> and <code>msg.oid</code>.</p>
@ -304,10 +536,16 @@
color: "YellowGreen",
defaults: {
host: { value: "127.0.0.1" },
community: { value: "public" },
version: { value: "1", required: true },
oids: { value: "" },
version: { value: "v1", required: true },
timeout: { value: 5 },
community: { value: "public" },
username: { value: "" },
auth: { value: "noAuthNoPriv", required: true },
authprot: { value: "None", required: true },
privprot: { value: "None", required: true },
authkey: { value: "" },
privkey: { value: "" },
oids: { value: "" },
name: { value: "" }
},
inputs: 1,

207
io/snmp/snmp.js
View File

@ -5,34 +5,91 @@ module.exports = function (RED) {
var sessions = {};
function getSession(host, community, version, timeout) {
var sessionKey = host + ":" + community + ":" + version;
var port = 161;
function openSession(host, data, options) {
//console.log({data});
//console.log({options});
var sessionid = data.sessionid;
options.port = 161;
if (host.indexOf(":") !== -1) {
port = host.split(":")[1];
options.port = host.split(":")[1];
host = host.split(":")[0];
}
if (!(sessionKey in sessions)) {
sessions[sessionKey] = snmp.createSession(host, community, { port:port, version:version, timeout:(timeout || 5000) });
// SNMPv3 call
if (options.version === "v3"){
var user = {};
options.version = snmp.Version3;
user.name = data.name || "";
user.level = snmp.SecurityLevel.noAuthNoPriv;
if (data.auth === "authNoPriv" || data.auth === "authPriv" ) {
user.level = snmp.SecurityLevel.authNoPriv;
user.authKey = data.authkey || "";
user.authProtocol = (data.authprot === "SHA") ? snmp.AuthProtocols.sha : snmp.AuthProtocols.md5;
if (data.auth === "authPriv" ) {
user.level = snmp.SecurityLevel.authPriv;
if (data.privprot === "DES" || data.privprot === "AES"){
user.privProtocol = (data.privprot === "AES") ? snmp.PrivProtocols.aes : snmp.PrivProtocols.des;
user.privKey = data.privkey || "";
}
}
}
sessions[sessionid] = snmp.createV3Session(host, user, options);
}
return sessions[sessionKey];
// SNMPv1 or SNMPv2c call
else{
var community = data.community;
options.version = (options.version === "v2c") ? snmp.Version2c : snmp.Version1;
sessions[sessionid] = snmp.createSession(host, community, options);
}
return sessions[sessionid];
}
// Any session needs to be closed after completion
function closeSession(sessionid) {
//console.log("closing session");
sessions[sessionid].close();
}
function SnmpNode(n) {
RED.nodes.createNode(this, n);
this.community = n.community;
this.host = n.host;
this.version = (n.version === "2c") ? snmp.Version2c : snmp.Version1;
this.version = n.version;
this.username = n.username;
this.auth = n.auth;
this.authprot = n.authprot;
this.privprot = n.privprot;
this.authkey = n.authkey;
this.privkey = n.privkey;
this.oids = n.oids.replace(/\s/g, "");
this.timeout = Number(n.timeout || 5) * 1000;
var node = this;
this.on("input", function (msg) {
var host = node.host || msg.host;
var version = node.version;
var community = node.community || msg.community;
var username = node.username || msg.username;
var auth = node.auth;
var authprot = node.authprot;
var privprot = node.privprot;
var authkey = node.authkey || msg.authkey;
var privkey = node.privkey || msg.privkey;
var oids = node.oids || msg.oid;
var sessionid = Date.now(); // Create an unique session ID for each call
var data = {};
data.community = community;
data.name = username;
data.auth = auth;
data.authprot = authprot;
data.privprot = privprot;
data.authkey = authkey;
data.privkey = privkey;
data.sessionid = sessionid;
var options = {};
options.version = version;
options.timeout = node.timeout;
if (oids) {
getSession(host, community, node.version, node.timeout).get(oids.split(","), function (error, varbinds) {
openSession(host, data, options).get(oids.split(","), function (error, varbinds) {
if (error) {
node.error(error.toString(), msg);
}
@ -44,13 +101,14 @@ module.exports = function (RED) {
else {
if (varbinds[i].type == 4) { varbinds[i].value = varbinds[i].value.toString(); }
varbinds[i].tstr = snmp.ObjectType[varbinds[i].type];
//node.log(varbinds[i].oid + "|" + varbinds[i].tstr + "|" + varbinds[i].value);
// node.log(varbinds[i].oid + "|" + varbinds[i].tstr + "|" + varbinds[i].value);
}
}
msg.oid = oids;
msg.payload = varbinds;
node.send(msg);
}
closeSession(sessionid); // Needed to close the session else a bad or good read could affect future readings
});
}
else {
@ -64,20 +122,46 @@ module.exports = function (RED) {
RED.nodes.createNode(this, n);
this.community = n.community;
this.host = n.host;
this.version = (n.version === "2c") ? snmp.Version2c : snmp.Version1;
this.varbinds = n.varbinds;
this.version = n.version;
this.username = n.username;
this.auth = n.auth;
this.authprot = n.authprot;
this.privprot = n.privprot;
this.authkey = n.authkey;
this.privkey = n.privkey;
this.timeout = Number(n.timeout || 5) * 1000;
this.varbinds = n.varbinds;
if (this.varbinds && this.varbinds.trim().length === 0) { delete this.varbinds; }
var node = this;
this.on("input", function (msg) {
var host = node.host || msg.host;
var version = node.version;
var community = node.community || msg.community;
var username = node.username || msg.username;
var auth = node.auth;
var authprot = node.authprot;
var privprot = node.privprot;
var authkey = node.authkey || msg.authkey;
var privkey = node.privkey || msg.privkey;
var sessionid = Date.now();
var data = {};
data.community = community;
data.name = username;
data.auth = auth;
data.authprot = authprot;
data.privprot = privprot;
data.authkey = authkey;
data.privkey = privkey;
data.sessionid = sessionid;
var options = {};
options.version = version;
options.timeout = node.timeout;
var varbinds = (node.varbinds) ? JSON.parse(node.varbinds) : msg.varbinds;
if (varbinds) {
for (var i = 0; i < varbinds.length; i++) {
varbinds[i].type = snmp.ObjectType[varbinds[i].type];
}
getSession(host, community, node.version, node.timeout).set(varbinds, function (error, varbinds) {
openSession(host, data, options).set(varbinds, function (error, varbinds) {
if (error) {
node.error(error.toString(), msg);
}
@ -89,6 +173,7 @@ module.exports = function (RED) {
}
}
}
closeSession(sessionid);
});
}
else {
@ -104,7 +189,13 @@ module.exports = function (RED) {
RED.nodes.createNode(this, n);
this.community = n.community;
this.host = n.host;
this.version = (n.version === "2c") ? snmp.Version2c : snmp.Version1;
this.version = n.version;
this.username = n.username;
this.auth = n.auth;
this.authprot = n.authprot;
this.privprot = n.privprot;
this.authkey = n.authkey;
this.privkey = n.privkey;
this.oids = n.oids.replace(/\s/g, "");
this.timeout = Number(n.timeout || 5) * 1000;
var node = this;
@ -118,11 +209,32 @@ module.exports = function (RED) {
this.on("input", function (msg) {
var host = node.host || msg.host;
var version = node.version;
var community = node.community || msg.community;
var username = node.username || msg.username;
var auth = node.auth;
var authprot = node.authprot;
var privprot = node.privprot;
var authkey = node.authkey || msg.authkey;
var privkey = node.privkey || msg.privkey;
var oids = node.oids || msg.oid;
var sessionid = Date.now();
var data = {};
data.community = community;
data.name = username;
data.auth = auth;
data.authprot = authprot;
data.privprot = privprot;
data.authkey = authkey;
data.privkey = privkey;
data.sessionid = sessionid;
var options = {};
options.version = version;
options.timeout = node.timeout;
node.log({options});
if (oids) {
msg.oid = oids;
getSession(host, community, node.version, node.timeout).table(oids, maxRepetitions, function (error, table) {
openSession(host, data, options).table(oids, maxRepetitions, function (error, table) {
if (error) {
node.error(error.toString(), msg);
}
@ -150,6 +262,7 @@ module.exports = function (RED) {
msg.payload = table;
node.send(msg);
}
closeSession(sessionid);
});
}
else {
@ -164,7 +277,13 @@ module.exports = function (RED) {
RED.nodes.createNode(this, n);
this.community = n.community;
this.host = n.host;
this.version = (n.version === "2c") ? snmp.Version2c : snmp.Version1;
this.version = n.version;
this.username = n.username;
this.auth = n.auth;
this.authprot = n.authprot;
this.privprot = n.privprot;
this.authkey = n.authkey;
this.privkey = n.privkey;
this.oids = n.oids.replace(/\s/g, "");
this.timeout = Number(n.timeout || 5) * 1000;
var node = this;
@ -185,11 +304,31 @@ module.exports = function (RED) {
this.on("input", function (msg) {
var host = node.host || msg.host;
var version = node.version;
var community = node.community || msg.community;
var username = node.username || msg.username;
var auth = node.auth;
var authprot = node.authprot;
var privprot = node.privprot;
var authkey = node.authkey || msg.authkey;
var privkey = node.privkey || msg.privkey;
var oids = node.oids || msg.oid;
var sessionid = Date.now();
var data = {};
data.community = community;
data.name = username;
data.auth = auth;
data.authprot = authprot;
data.privprot = privprot;
data.authkey = authkey;
data.privkey = privkey;
data.sessionid = sessionid;
var options = {};
options.version = version;
options.timeout = node.timeout;
if (oids) {
msg.oid = oids;
getSession(host, community, node.version, node.timeout).subtree(msg.oid, maxRepetitions, feedCb, function (error) {
openSession(host, data, options).subtree(msg.oid, maxRepetitions, feedCb, function (error) {
if (error) {
node.error(error.toString(), msg);
}
@ -200,6 +339,7 @@ module.exports = function (RED) {
//Clears response
response.length = 0;
}
closeSession(sessionid);
});
}
else {
@ -214,7 +354,13 @@ module.exports = function (RED) {
RED.nodes.createNode(this, n);
this.community = n.community;
this.host = n.host;
this.version = (n.version === "2c") ? snmp.Version2c : snmp.Version1;
this.version = n.version;
this.username = n.username;
this.auth = n.auth;
this.authprot = n.authprot;
this.privprot = n.privprot;
this.authkey = n.authkey;
this.privkey = n.privkey;
this.oids = n.oids.replace(/\s/g, "");
this.timeout = Number(n.timeout || 5) * 1000;
var node = this;
@ -235,12 +381,32 @@ module.exports = function (RED) {
this.on("input", function (msg) {
node.msg = msg;
var oids = node.oids || msg.oid;
var host = node.host || msg.host;
var version = node.version;
var community = node.community || msg.community;
var username = node.username || msg.username;
var auth = node.auth;
var authprot = node.authprot;
var privprot = node.privprot;
var authkey = node.authkey || msg.authkey;
var privkey = node.privkey || msg.privkey;
var oids = node.oids || msg.oid;
var sessionid = Date.now();
var data = {};
data.community = community;
data.name = username;
data.auth = auth;
data.authprot = authprot;
data.privprot = privprot;
data.authkey = authkey;
data.privkey = privkey;
data.sessionid = sessionid;
var options = {};
options.version = version;
options.timeout = node.timeout;
if (oids) {
msg.oid = oids;
getSession(host, community, node.version, node.timeout).walk(msg.oid, maxRepetitions, feedCb, function (error) {
openSession(host, data, options).walk(msg.oid, maxRepetitions, feedCb, function (error) {
if (error) {
node.error(error.toString(), msg);
}
@ -251,6 +417,7 @@ module.exports = function (RED) {
//Clears response
response.length = 0;
}
closeSession(sessionid);
});
}
else {