// configureSNMP sets the various version and auth settings.
func (c Module) configureSNMP(g *gosnmp.GoSNMP) {
switch c.Version {
case 1:
g.Version = gosnmp.Version1
case 2:
g.Version = gosnmp.Version2c
case 3:
g.Version = gosnmp.Version3
}
g.Community = c.Auth.Community
// v3 security settings.
g.SecurityModel = gosnmp.UserSecurityModel
switch c.Auth.SecurityLevel {
case "noAuthNoPriv":
g.MsgFlags = gosnmp.NoAuthNoPriv
case "authNoPriv":
g.MsgFlags = gosnmp.AuthNoPriv
case "authPriv":
g.MsgFlags = gosnmp.AuthPriv
}
usm := &gosnmp.UsmSecurityParameters{
UserName: c.Auth.Username,
AuthenticationPassphrase: c.Auth.Password,
PrivacyPassphrase: c.Auth.PrivPassword,
}
switch c.Auth.AuthProtocol {
case "SHA":
usm.AuthenticationProtocol = gosnmp.SHA
case "MD5":
usm.AuthenticationProtocol = gosnmp.MD5
}
switch c.Auth.PrivProtocol {
case "DES":
usm.PrivacyProtocol = gosnmp.DES
case "AES":
usm.PrivacyProtocol = gosnmp.AES
}
g.SecurityParameters = usm
}
