mirror of
https://github.com/fleetdm/fleet
synced 2026-05-24 09:28:54 +00:00
8e532a5e76
Related to #10744, this pre-populates and disables the username/fullname fields. https://user-images.githubusercontent.com/4419992/236854781-ac67ee28-c19c-4130-a5e6-2872220501b5.mov # Checklist for submitter If some of the following don't apply, delete the relevant line. - [x] Changes file added for user-visible changes in `changes/` or `orbit/changes/`. See [Changes files](https://fleetdm.com/docs/contributing/committing-changes#changes-files) for more information. - [x] Documented any API changes (docs/Using-Fleet/REST-API.md or docs/Contributing/API-for-contributors.md) - [x] Added/updated tests - [x] Manual QA for all new/changed functionality
126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
package apple_mdm
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/sha256"
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"crypto/x509"
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"encoding/binary"
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"encoding/pem"
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"errors"
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"fmt"
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"math"
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"net/url"
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"path"
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"strings"
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"time"
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"github.com/fleetdm/fleet/v4/server/fleet"
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"github.com/micromdm/nanomdm/mdm"
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)
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// Note Apple rejects CSRs if the key size is not 2048.
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const rsaKeySize = 2048
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// newPrivateKey creates an RSA private key
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func newPrivateKey() (*rsa.PrivateKey, error) {
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return rsa.GenerateKey(rand.Reader, rsaKeySize)
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}
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// EncodeCertPEM returns PEM-endcoded certificate data.
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func EncodeCertPEM(cert *x509.Certificate) []byte {
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block := pem.Block{
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Type: "CERTIFICATE",
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Bytes: cert.Raw,
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}
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return pem.EncodeToMemory(&block)
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}
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func DecodeCertPEM(encoded []byte) (*x509.Certificate, error) {
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block, _ := pem.Decode(encoded)
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if block == nil {
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return nil, errors.New("no PEM-encoded data found")
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}
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if block.Type != "CERTIFICATE" {
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return nil, fmt.Errorf("unexpected block type %s", block.Type)
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}
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return x509.ParseCertificate(block.Bytes)
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}
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func EncodeCertRequestPEM(cert *x509.CertificateRequest) []byte {
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pemBlock := &pem.Block{
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Type: "CERTIFICATE REQUEST",
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Headers: nil,
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Bytes: cert.Raw,
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}
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return pem.EncodeToMemory(pemBlock)
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}
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// EncodePrivateKeyPEM returns PEM-encoded private key data
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func EncodePrivateKeyPEM(key *rsa.PrivateKey) []byte {
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block := pem.Block{
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Type: "RSA PRIVATE KEY",
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Bytes: x509.MarshalPKCS1PrivateKey(key),
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}
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return pem.EncodeToMemory(&block)
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}
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// DecodePrivateKeyPEM decodes PEM-encoded private key data.
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func DecodePrivateKeyPEM(encoded []byte) (*rsa.PrivateKey, error) {
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block, _ := pem.Decode(encoded)
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if block == nil {
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return nil, errors.New("no PEM-encoded data found")
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}
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if block.Type != "RSA PRIVATE KEY" {
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return nil, fmt.Errorf("unexpected block type %s", block.Type)
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}
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return x509.ParsePKCS1PrivateKey(block.Bytes)
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}
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// GenerateRandomPin generates a `lenght`-digit PIN number that takes into
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// account the current time as described in rfc4226 (for one time passwords)
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//
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// The implementation details have been mostly taken from https://github.com/pquerna/otp
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func GenerateRandomPin(length int) string {
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counter := uint64(time.Now().Unix())
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buf := make([]byte, 8)
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binary.BigEndian.PutUint64(buf, counter)
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m := sha256.New()
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m.Write(buf)
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sum := m.Sum(nil)
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offset := sum[len(sum)-1] & 0xf
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value := int64(((int(sum[offset]) & 0x7f) << 24) |
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((int(sum[offset+1] & 0xff)) << 16) |
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((int(sum[offset+2] & 0xff)) << 8) |
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(int(sum[offset+3]) & 0xff))
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v := int32(value % int64(math.Pow10(length)))
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f := fmt.Sprintf("%%0%dd", length)
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return fmt.Sprintf(f, v)
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}
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func FmtErrorChain(chain []mdm.ErrorChain) string {
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var sb strings.Builder
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for _, mdmErr := range chain {
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desc := mdmErr.USEnglishDescription
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if desc == "" {
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desc = mdmErr.LocalizedDescription
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}
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sb.WriteString(fmt.Sprintf("%s (%d): %s\n", mdmErr.ErrorDomain, mdmErr.ErrorCode, desc))
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}
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return sb.String()
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}
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func EnrollURL(token string, appConfig *fleet.AppConfig) (string, error) {
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enrollURL, err := url.Parse(appConfig.ServerSettings.ServerURL)
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if err != nil {
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return "", err
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}
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enrollURL.Path = path.Join(enrollURL.Path, EnrollPath)
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q := enrollURL.Query()
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q.Set("token", token)
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enrollURL.RawQuery = q.Encode()
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return enrollURL.String(), nil
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}
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