github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/digitalocean/compute/use_ssh_keys.go (about)

     1  package compute
     2  
     3  import (
     4  	"github.com/khulnasoft-lab/defsec/internal/rules"
     5  	"github.com/khulnasoft-lab/defsec/pkg/providers"
     6  	"github.com/khulnasoft-lab/defsec/pkg/scan"
     7  	"github.com/khulnasoft-lab/defsec/pkg/severity"
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  )
    10  
    11  var CheckUseSshKeys = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-DIG-0004",
    14  		Provider:    providers.DigitalOceanProvider,
    15  		Service:     "compute",
    16  		ShortCode:   "use-ssh-keys",
    17  		Summary:     "SSH Keys are the preferred way to connect to your droplet, no keys are supplied",
    18  		Impact:      "Logging in with username and password is easier to compromise",
    19  		Resolution:  "Use ssh keys for login",
    20  		Explanation: `When working with a server, you’ll likely spend most of your time in a terminal session connected to your server through SSH. A more secure alternative to password-based logins, SSH keys use encryption to provide a secure way of logging into your server and are recommended for all users.`,
    21  		Links: []string{
    22  			"https://www.digitalocean.com/community/tutorials/understanding-the-ssh-encryption-and-connection-process",
    23  		},
    24  		Terraform: &scan.EngineMetadata{
    25  			GoodExamples:        terraformUseSshKeysGoodExamples,
    26  			BadExamples:         terraformUseSshKeysBadExamples,
    27  			Links:               terraformUseSshKeysLinks,
    28  			RemediationMarkdown: terraformUseSshKeysRemediationMarkdown,
    29  		},
    30  		Severity: severity.High,
    31  	},
    32  	func(s *state.State) (results scan.Results) {
    33  		for _, droplet := range s.DigitalOcean.Compute.Droplets {
    34  			if droplet.Metadata.IsUnmanaged() {
    35  				continue
    36  			}
    37  			if len(droplet.SSHKeys) == 0 {
    38  				results.Add(
    39  					"Droplet does not have an SSH key specified.",
    40  					&droplet,
    41  				)
    42  			} else {
    43  				results.AddPassed(&droplet)
    44  			}
    45  		}
    46  		return
    47  	},
    48  )