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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
5 changed files with 264 additions and 16 deletions
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63
client/system/info_linux.go
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@@ -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
}