Harden security: name validation, scoped sudoers, safe.directory

- Add ValidateName() enforcing ^[a-z][a-z0-9-]{0,62}$ on all entry points
- Tighten sudoers to restrict cp sources/destinations and chown targets
- Scope git safe.directory to www-data user only (preserves CVE-2022-24765)
- Add www-data to git group and caddy to www-data group for fcgiwrap
- Fix vanity import template to use orig_uri placeholder
- Restart (not reload) services after group changes
- Add name validation to env subcommands and deploy_cmd

1 files changed, 3 insertions, 0 deletions

diff --git a/cmd/ship/deploy.go b/cmd/ship/deploy.go
index 9ac754c..86d4878 100644
--- a/cmd/ship/deploy.go
+++ b/cmd/ship/deploy.go
@@ -140,6 +140,9 @@ func runDeploy(cmd *cobra.Command, args []string) error {
                         name = filepath.Base(binary)
                 }
         }
+        if err := validateName(name); err != nil {
+                return err
+        }
 
         // Check if this is an update to an existing app/site
         existingApp, _ := st.GetApp(host, name)