Esempio n. 1
0
File: role.go Progetto: postfix/arx
func processGetRequest(reqData *messages.RequestData, req *messages.Request, role string) ([]byte, error) {
	tx, err := db.Begin()
	if err != nil {
		log.Printf("initiating database transaction failed (%v)", err)
		return messages.NewServerResponse(false, "Failed to retrieve secret.", nil)
	}

	sec, err := db.RetrieveSecret(tx, reqData.Ident, req.Public)
	if err != nil {
		log.Printf("retrieving secret %s failed (%v)", reqData.Ident, err)
		db.Finalise(tx, err)
		return messages.NewServerResponse(false, "Failed to retrieve secret.", nil)
	}
	db.Finalise(tx, nil)
	msg := crypto.RecoverSecret(sec)
	if msg == nil {
		return messages.NewServerResponse(false, "Failed to retrieve secret.", nil)
	}

	var response = struct {
		Secret []byte `json:"secret"`
	}{msg}
	out, err := json.Marshal(response)
	if err != nil {
		return messages.NewServerResponse(false, "Failed to retrieve secret.", nil)
	}
	return messages.NewServerResponse(true, "Secret retrieved.", out)
}
Esempio n. 2
0
File: role.go Progetto: postfix/arx
func processProvision(reqData *messages.RequestData, req *messages.Request, role string) ([]byte, error) {
	log.Println("received provisioning request")
	box, secret, err := crypto.ProvisionSecret(reqData.Length, reqData.Ident, role)
	if err != nil {
		log.Printf("failed to provision secret (%v)", err)
		return messages.NewServerResponse(false, "Failed to provision secret.", nil)
	}

	tx, err := db.Begin()
	if err != nil {
		log.Printf("initiating database transaction failed (%v)", err)
		return messages.NewServerResponse(false, "Failed to provision secret.", nil)
	}

	err = db.StoreSecret(tx, box, reqData.Ident, role, req.Public)
	db.Finalise(tx, err)
	if err != nil {
		log.Printf("failed to store secret (%v)", err)
		return messages.NewServerResponse(false, "Failed to provision secret.", nil)
	}

	var response = struct {
		Secret []byte `json:"secret"`
	}{secret}
	out, err := json.Marshal(response)
	if err != nil {
		log.Printf("failed to marshal json response (%v)", err)
		return messages.NewServerResponse(false, "Failed to provision secret.", nil)
	}
	return messages.NewServerResponse(true, "Secret provisioned.", out)
}
Esempio n. 3
0
File: admin.go Progetto: postfix/arx
func newRole(tx *sql.Tx, req *messages.Request, adm *messages.AdminRequest, role string) ([]byte, error) {
	err := db.AddRole(tx, role, adm.Public)
	if err != nil {
		log.Printf("failed to create new role (%v)", err)
		return messages.NewServerResponse(false, "Failed to create role.", nil)
	}
	log.Println("role", role, "created successfully")
	return messages.NewServerResponse(true, "Role created.", nil)
}
Esempio n. 4
0
File: admin.go Progetto: postfix/arx
func initAdmin(tx *sql.Tx, req *messages.Request) ([]byte, error) {
	log.Println("intialising admin role")
	err := db.AddRole(tx, "admin", req.Public)
	if err != nil {
		log.Printf("failed to initialise admin role (%s)", err)
		return messages.NewServerResponse(false, "Failed to initialise admin.", nil)
	}
	log.Println("admin role initialised")
	return messages.NewServerResponse(true, "Admin role initialised.", nil)
}
Esempio n. 5
0
File: role.go Progetto: postfix/arx
func processStore(reqData *messages.RequestData, req *messages.Request, role string) ([]byte, error) {
	box, err := crypto.SecureSecret(reqData.Secret, reqData.Ident, role)
	if err != nil {
		return messages.NewServerResponse(false, "Failed to store secret.", nil)
	}

	tx, err := db.Begin()
	if err != nil {
		log.Printf("initiating database transaction failed (%v)", err)
		return messages.NewServerResponse(false, "Failed to store secret.", nil)
	}

	err = db.StoreSecret(tx, box, reqData.Ident, role, req.Public)
	db.Finalise(tx, err)
	if err != nil {
		return messages.NewServerResponse(false, "Failed to provision secret.", nil)
	}

	return messages.NewServerResponse(true, "Stored secret.", nil)
}
Esempio n. 6
0
File: admin.go Progetto: postfix/arx
func alterRole(role string, req *messages.Request, adm *messages.AdminRequest) ([]byte, error) {
	tx, err := db.Begin()
	if err != nil {
		log.Println("database failure on request")
		return messages.NewServerResponse(false, "Database failure.", nil)
	}

	var out []byte
	if !db.HaveAdmin(tx) {
		if role == "admin" {
			out, err = initAdmin(tx, req)
		} else {
			out, err = messages.NewServerResponse(false, "Admin role not initialised.", nil)
		}
	} else {
		out, err = updateRole(tx, req, adm, role)
	}

	db.Finalise(tx, err)
	return out, err
}
Esempio n. 7
0
File: admin.go Progetto: postfix/arx
func updateRole(tx *sql.Tx, req *messages.Request, adm *messages.AdminRequest, role string) ([]byte, error) {
	log.Println("request to update role as admin")
	log.Println("checking revocation list")
	// Check key against revocation list.
	revoked, err := db.IsKeyRevoked(tx, req.Public)
	if err != nil {
		log.Printf("failed to check revocation list (%v)", err)
		return messages.NewServerResponse(false, "Not authorised.", nil)
	} else if revoked {
		log.Println("request attempted with revoked key")
		return messages.NewServerResponse(false, "Not authorised.", nil)
	}

	// Retrieve the admin key, and ensure that the request was properly signed by this key.
	adminSigner, err := db.GetRoleSigner(tx, "admin")
	if err != nil {
		log.Printf("failed to get admin signer (%v)", err)
		return messages.NewServerResponse(false, "Not authorised.", nil)
	}

	// If the role is admin, ensure the key is the admin key.
	if role == "admin" {
		if !bytes.Equal(adminSigner, req.Public) {
			log.Printf("request to change admin role from key that is not admin key")
			return messages.NewServerResponse(false, "Not authorised.", nil)
		}
	}

	if !crypto.CheckRequestSignature(req, adminSigner) {
		log.Println("admin request made with bad signature")
		return messages.NewServerResponse(false, "Not authorised.", nil)
	}

	roleSigner, err := db.GetRoleSigner(tx, role)
	if err != nil {
		log.Println("failed to get role signer")
		return messages.NewServerResponse(false, "Not authorised.", nil)
	} else if roleSigner == nil {
		log.Println("role does not exist: create new role", role)
		return newRole(tx, req, adm, role)
	}
	err = db.UpdateRoleSigner(tx, adm.Public, role)
	if err != nil {
		log.Printf("failed to update role (%v)", err)
		return messages.NewServerResponse(false, "Failed to update role.", nil)
	}
	log.Println("role updated")
	return messages.NewServerResponse(true, "Role updated.", nil)
}
Esempio n. 8
0
File: admin.go Progetto: postfix/arx
func revokeKey(req *messages.Request, adm *messages.AdminRequest) ([]byte, error) {
	tx, err := db.Begin()
	if err != nil {
		return messages.NewServerResponse(false, "Database failure.", nil)
	}

	if !db.HaveAdmin(tx) {
		db.Finalise(tx, nil)
		return messages.NewServerResponse(false, "Not initialised.", nil)
	}

	// Check key against revocation list.
	revoked, err := db.IsKeyRevoked(tx, req.Public)
	if err != nil {
		log.Printf("failed to check revocation list (%v)", err)
		db.Finalise(tx, err)
		return messages.NewServerResponse(false, "Not authorised.", nil)
	} else if revoked {
		log.Println("attempt to revoke key using revoked key")
		db.Finalise(tx, err)
		return messages.NewServerResponse(false, "Not authorised.", nil)
	}

	// Retrieve the admin key, and ensure that the request was
	// properly signed by this key. Also, check that the key being
	// revoked is not the administrative signature key.
	adminSigner, err := db.GetRoleSigner(tx, "admin")
	if err != nil {
		log.Println("failed to load admin signer")
		db.Finalise(tx, err)
		return messages.NewServerResponse(false, "Not authorised.", nil)
	} else if bytes.Equal(adminSigner, adm.Public) {
		log.Println("attempt to revoke current admin signer")
		db.Finalise(tx, err)
		return messages.NewServerResponse(false, "Cannot revoke current admin signer.", nil)
	}

	err = db.RevokeKey(tx, adm.Public, req.Public, "", "")
	if err != nil {
		db.Finalise(tx, err)
		log.Printf("failed to revoke key (%v)", err)
		return messages.NewServerResponse(false, "Failed to revoke key.", nil)
	}
	db.Finalise(tx, err)
	log.Println("revoked key")
	return messages.NewServerResponse(true, "Key revoked.", nil)
}
Esempio n. 9
0
func writeStatus(w http.ResponseWriter, status int) {
	w.WriteHeader(status)
	out, _ := messages.NewServerResponse(false, http.StatusText(status), nil)
	w.Write(out)
}
Esempio n. 10
0
func serverLockOut(w http.ResponseWriter) {
	w.WriteHeader(http.StatusBadRequest)
	out, _ := messages.NewServerResponse(false, "This address is locked out.", nil)
	w.Write(out)
}