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propagate windows license to the VMs
Signed-off-by: Shahriyar Jalayeri <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| // Copyright (c) 2025 Zededa, Inc. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package hypervisor | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| uuid "github.com/satori/go.uuid" | ||
|
|
||
| "github.com/lf-edge/eve/pkg/pillar/types" | ||
| fileutils "github.com/lf-edge/eve/pkg/pillar/utils/file" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| // TODO: move all the windows related OVMF code to this file | ||
|
|
||
| // Struct to hold system information | ||
| type DmiSystemInfo struct { | ||
| Manufacturer string | ||
| ProductName string | ||
| Version string | ||
| SerialNumber string | ||
| UUID string | ||
| SKUNumber string | ||
| Family string | ||
| } | ||
|
|
||
| // getSmbiosString returns a SMBIOS type 1 string (system information) | ||
| func getSmbiosString(sysInfo DmiSystemInfo) string { | ||
| var fields []string | ||
|
|
||
| if sysInfo.UUID != "" { | ||
| fields = append(fields, fmt.Sprintf("uuid=%s", sysInfo.UUID)) | ||
| } | ||
| if sysInfo.Manufacturer != "" { | ||
| fields = append(fields, fmt.Sprintf("manufacturer=%s", sysInfo.Manufacturer)) | ||
| } | ||
| if sysInfo.ProductName != "" { | ||
| fields = append(fields, fmt.Sprintf("product=%s", sysInfo.ProductName)) | ||
| } | ||
| if sysInfo.Version != "" { | ||
| fields = append(fields, fmt.Sprintf("version=%s", sysInfo.Version)) | ||
| } | ||
| if sysInfo.SerialNumber != "" { | ||
| fields = append(fields, fmt.Sprintf("serial=%s", sysInfo.SerialNumber)) | ||
| } | ||
| if sysInfo.SKUNumber != "" { | ||
| fields = append(fields, fmt.Sprintf("sku=%s", sysInfo.SKUNumber)) | ||
| } | ||
| if sysInfo.Family != "" { | ||
| fields = append(fields, fmt.Sprintf("family=%s", sysInfo.Family)) | ||
| } | ||
|
|
||
| smbiosString := "type=1," + strings.Join(fields, ",") | ||
| return smbiosString | ||
| } | ||
|
|
||
| // generateDmidecodeSmbiosString execute dmidecode and creates the SMBIOS string | ||
| func generateDmidecodeSmbiosString() string { | ||
| validate := func(a string) string { | ||
| a = strings.TrimSpace(a) | ||
| if strings.Contains(a, ",") { | ||
| logrus.Warnf("Invalid value: %s", a) | ||
| return "" | ||
| } | ||
| return a | ||
| } | ||
|
|
||
| dmidecode := func(arg string) string { | ||
| cmd := exec.Command("dmidecode", "-s", arg) | ||
| output, err := cmd.CombinedOutput() | ||
| if err != nil { | ||
| logrus.Warnf("Failed to run dmidecode %s : %v", arg, err) | ||
| return "" | ||
| } | ||
|
|
||
| return validate(string(output)) | ||
| } | ||
|
|
||
| sysInfo := DmiSystemInfo{} | ||
| sysInfo.Manufacturer = validate(dmidecode("system-manufacturer")) | ||
| sysInfo.ProductName = validate(dmidecode("system-product-name")) | ||
| sysInfo.Version = validate(dmidecode("system-version")) | ||
| sysInfo.SerialNumber = validate(dmidecode("system-serial-number")) | ||
| sysInfo.SKUNumber = validate(dmidecode("system-sku-number")) | ||
| sysInfo.Family = validate(dmidecode("system-family")) | ||
| smbiosString := getSmbiosString(sysInfo) | ||
| sysInfo.UUID = validate(dmidecode("system-uuid")) | ||
| if sysInfo.UUID != "" { | ||
| _, err := uuid.FromString(sysInfo.UUID) | ||
| if err != nil { | ||
| logrus.Warnf("Invalid UUID: %s", sysInfo.UUID) | ||
| sysInfo.UUID = "" | ||
| } | ||
| } | ||
|
|
||
| logrus.Infof("Generated SMBIOS string: %s", smbiosString) | ||
| return smbiosString | ||
| } | ||
|
|
||
| // dumpWindowsLicenceFromACPI dumps the Windows licence from ACPI tables | ||
| func dumpWindowsLicenceFromACPI() ([]string, error) { | ||
| if _, err := os.Stat(types.MsWindowsLicenceStore); os.IsNotExist(err) { | ||
| if err := os.MkdirAll(types.MsWindowsLicenceStore, 0600); err != nil { | ||
| return nil, fmt.Errorf("failed to create directory %s: %v", types.MsWindowsLicenceStore, err) | ||
| } | ||
| } else { | ||
| return nil, fmt.Errorf("erro while checking directory %s: %v", types.MsWindowsLicenceStore, err) | ||
| } | ||
|
|
||
| collectedLicences := []string{} | ||
| // TODO: testing, revert this back | ||
| //acpiTablePath := "/sys/firmware/acpi/tables" | ||
| acpiTablePath := "/hostfs/etc/winlic" | ||
| windowsLicenceTables := map[string]bool{ | ||
| "MSDM": true, | ||
| "SLIC": false, | ||
| } | ||
|
|
||
| for table, mandatory := range windowsLicenceTables { | ||
| winLicStorePath := filepath.Join(types.MsWindowsLicenceStore, table) | ||
| // skip if we already have the table dumped | ||
| if _, err := os.Stat(winLicStorePath); err == nil { | ||
| continue | ||
| } | ||
|
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| sysFsPath := filepath.Join(acpiTablePath, table) | ||
| if _, err := os.Stat(sysFsPath); err != nil { | ||
| if mandatory { | ||
| return nil, fmt.Errorf("error while checking mandatory %s table : %w", table, err) | ||
| } else { | ||
| logrus.Warnf("error while checkin %s table : %v", table, err) | ||
| continue | ||
| } | ||
| } | ||
|
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| if err := fileutils.CopyFile(sysFsPath, winLicStorePath); err != nil { | ||
| if mandatory { | ||
| return nil, fmt.Errorf("failed to copy %s table: %w", table, err) | ||
| } else { | ||
| logrus.Warnf("failed to copy %s table: %v", table, err) | ||
| continue | ||
| } | ||
| } | ||
|
|
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| collectedLicences = append(collectedLicences, winLicStorePath) | ||
| } | ||
|
|
||
| return collectedLicences, nil | ||
| } | ||
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