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Handling invalid UTF-8 character in sys info (#2360)

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In some operation systems, the sys info contains invalid characters.
In this patch try to keep the original fallback logic but filter out the cases when the character is invalid.
This commit is contained in:
Zoltan Papp 2024-08-01 16:46:55 +02:00 committed by GitHub
parent cbf9f2058e
commit 0c8f8a62c7
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
5 changed files with 264 additions and 16 deletions
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5
client/system/info_darwin_test.go
View File

@ -1,11 +1,12 @@
package system
import (
log "github.com/sirupsen/logrus"
"testing"
log "github.com/sirupsen/logrus"
)
func Test_sysInfo(t *testing.T) {
func Test_sysInfoMac(t *testing.T) {
t.Skip("skipping darwin test")
serialNum, prodName, manufacturer := sysInfo()
if serialNum == "" {

63
client/system/info_linux.go
View File

@ -21,6 +21,26 @@ import (
"github.com/netbirdio/netbird/version"
)
type SysInfoGetter interface {
GetSysInfo() SysInfo
}
type SysInfoWrapper struct {
si sysinfo.SysInfo
}
func (s SysInfoWrapper) GetSysInfo() SysInfo {
s.si.GetSysInfo()
return SysInfo{
ChassisSerial: s.si.Chassis.Serial,
ProductSerial: s.si.Product.Serial,
BoardSerial: s.si.Board.Serial,
ProductName: s.si.Product.Name,
BoardName: s.si.Board.Name,
ProductVendor: s.si.Product.Vendor,
}
}
// GetInfo retrieves and parses the system information
func GetInfo(ctx context.Context) *Info {
info := _getInfo()
@ -45,7 +65,8 @@ func GetInfo(ctx context.Context) *Info {
log.Warnf("failed to discover network addresses: %s", err)
}
serialNum, prodName, manufacturer := sysInfo()
si := SysInfoWrapper{}
serialNum, prodName, manufacturer := sysInfo(si.GetSysInfo())
env := Environment{
Cloud: detect_cloud.Detect(ctx),
@ -87,20 +108,36 @@ func _getInfo() string {
return out.String()
}
func sysInfo() (serialNumber string, productName string, manufacturer string) {
var si sysinfo.SysInfo
si.GetSysInfo()
func sysInfo(si SysInfo) (string, string, string) {
isascii := regexp.MustCompile("^[[:ascii:]]+$")
serial := si.Chassis.Serial
if (serial == "Default string" || serial == "") && si.Product.Serial != "" {
serial = si.Product.Serial
serials := []string{si.ChassisSerial, si.ProductSerial}
serial := ""
for _, s := range serials {
if isascii.MatchString(s) {
serial = s
if s != "Default string" {
break
}
}
}
if (!isascii.MatchString(serial)) && si.Board.Serial != "" {
serial = si.Board.Serial
if serial == "" && isascii.MatchString(si.BoardSerial) {
serial = si.BoardSerial
}
name := si.Product.Name
if (!isascii.MatchString(name)) && si.Board.Name != "" {
name = si.Board.Name
var name string
for _, n := range []string{si.ProductName, si.BoardName} {
if isascii.MatchString(n) {
name = n
break
}
}
return serial, name, si.Product.Vendor
var manufacturer string
if isascii.MatchString(si.ProductVendor) {
manufacturer = si.ProductVendor
}
return serial, name, manufacturer
}

12
client/system/sysinfo_linux.go Normal file
View File

@ -0,0 +1,12 @@
package system
// SysInfo used to moc out the sysinfo getter
type SysInfo struct {
ChassisSerial string
ProductSerial string
BoardSerial string
ProductName string
BoardName string
ProductVendor string
}

198
client/system/sysinfo_linux_test.go Normal file
View File

@ -0,0 +1,198 @@
package system
import "testing"
func Test_sysInfo(t *testing.T) {
tests := []struct {
name string
sysInfo SysInfo
wantSerialNum string
wantProdName string
wantManufacturer string
}{
{
name: "Test Case 1",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Empty Chassis Serial",
sysInfo: SysInfo{
ChassisSerial: "",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Empty Chassis Serial",
sysInfo: SysInfo{
ChassisSerial: "",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Fallback to Product Serial",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Product serial",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Product serial",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Fallback to Product Serial with default string",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Non UTF-8 in Chassis Serial",
sysInfo: SysInfo{
ChassisSerial: "\x80",
ProductSerial: "Product serial",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "Product serial",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Non UTF-8 in Chassis Serial and Product Serial",
sysInfo: SysInfo{
ChassisSerial: "\x80",
ProductSerial: "\x80",
BoardSerial: "M80-G8013200245",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "M80-G8013200245",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Non UTF-8 in Chassis Serial and Product Serial and BoardSerial",
sysInfo: SysInfo{
ChassisSerial: "\x80",
ProductSerial: "\x80",
BoardSerial: "\x80",
ProductName: "B650M-HDV/M.2",
BoardName: "B650M-HDV/M.2",
ProductVendor: "ASRock",
},
wantSerialNum: "",
wantProdName: "B650M-HDV/M.2",
wantManufacturer: "ASRock",
},
{
name: "Empty Product Name",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "",
BoardName: "boardname",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "boardname",
wantManufacturer: "ASRock",
},
{
name: "Invalid Product Name",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "\x80",
BoardName: "boardname",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "boardname",
wantManufacturer: "ASRock",
},
{
name: "Invalid BoardName Name",
sysInfo: SysInfo{
ChassisSerial: "Default string",
ProductSerial: "Default string",
BoardSerial: "M80-G8013200245",
ProductName: "\x80",
BoardName: "\x80",
ProductVendor: "ASRock",
},
wantSerialNum: "Default string",
wantProdName: "",
wantManufacturer: "ASRock",
},
{
name: "Invalid chars",
sysInfo: SysInfo{
ChassisSerial: "\x80",
ProductSerial: "\x80",
BoardSerial: "\x80",
ProductName: "\x80",
BoardName: "\x80",
ProductVendor: "\x80",
},
wantSerialNum: "",
wantProdName: "",
wantManufacturer: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotSerialNum, gotProdName, gotManufacturer := sysInfo(tt.sysInfo)
if gotSerialNum != tt.wantSerialNum {
t.Errorf("sysInfo() gotSerialNum = %v, want %v", gotSerialNum, tt.wantSerialNum)
}
if gotProdName != tt.wantProdName {
t.Errorf("sysInfo() gotProdName = %v, want %v", gotProdName, tt.wantProdName)
}
if gotManufacturer != tt.wantManufacturer {
t.Errorf("sysInfo() gotManufacturer = %v, want %v", gotManufacturer, tt.wantManufacturer)
}
})
}
}

2
encryption/message.go
View File

@ -10,7 +10,7 @@ import (
func EncryptMessage(remotePubKey wgtypes.Key, ourPrivateKey wgtypes.Key, message pb.Message) ([]byte, error) {
byteResp, err := pb.Marshal(message)
if err != nil {
log.Errorf("failed marshalling message %v", err)
log.Errorf("failed marshalling message %v, %+v", err, message.String())
return nil, err
}