From 47e12d19811b36bbc7ed31aec70694356f9e4a1c Mon Sep 17 00:00:00 2001
From: Thomas Casteleyn <thomas.casteleyn@super-visions.com>
Date: Wed, 24 Feb 2021 19:44:53 +0100
Subject: [PATCH] Support more snmpv3 authentication protocols (#8850)

---
 internal/snmp/wrapper.go      | 8 ++++++++
 plugins/inputs/snmp/README.md | 2 +-
 plugins/inputs/snmp/snmp.go   | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/internal/snmp/wrapper.go b/internal/snmp/wrapper.go
index 92c3442bb..9825d5677 100644
--- a/internal/snmp/wrapper.go
+++ b/internal/snmp/wrapper.go
@@ -112,6 +112,14 @@ func NewWrapper(s ClientConfig) (GosnmpWrapper, error) {
 			sp.AuthenticationProtocol = gosnmp.MD5
 		case "sha":
 			sp.AuthenticationProtocol = gosnmp.SHA
+		case "sha224":
+			sp.AuthenticationProtocol = gosnmp.SHA224
+		case "sha256":
+			sp.AuthenticationProtocol = gosnmp.SHA256
+		case "sha384":
+			sp.AuthenticationProtocol = gosnmp.SHA384
+		case "sha512":
+			sp.AuthenticationProtocol = gosnmp.SHA512
 		case "":
 			sp.AuthenticationProtocol = gosnmp.NoAuth
 		default:
diff --git a/plugins/inputs/snmp/README.md b/plugins/inputs/snmp/README.md
index fa96150b9..0d52881a7 100644
--- a/plugins/inputs/snmp/README.md
+++ b/plugins/inputs/snmp/README.md
@@ -53,7 +53,7 @@ information.
   ##
   ## Security Name.
   # sec_name = "myuser"
-  ## Authentication protocol; one of "MD5", "SHA", or "".
+  ## Authentication protocol; one of "MD5", "SHA", "SHA224", "SHA256", "SHA384", "SHA512" or "".
   # auth_protocol = "MD5"
   ## Authentication password.
   # auth_password = "pass"
diff --git a/plugins/inputs/snmp/snmp.go b/plugins/inputs/snmp/snmp.go
index ee642a50e..df23eeeb7 100644
--- a/plugins/inputs/snmp/snmp.go
+++ b/plugins/inputs/snmp/snmp.go
@@ -56,7 +56,7 @@ const sampleConfig = `
   ##
   ## Security Name.
   # sec_name = "myuser"
-  ## Authentication protocol; one of "MD5", "SHA", or "".
+  ## Authentication protocol; one of "MD5", "SHA", "SHA224", "SHA256", "SHA384", "SHA512" or "".
   # auth_protocol = "MD5"
   ## Authentication password.
   # auth_password = "pass"