void/amneziawg-go
2
0
Fork 0
mirror of https://github.com/amnezia-vpn/amneziawg-go.git synced 2025-09-01 15:42:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

chore: improve on hyphen parsing

Browse source
This commit is contained in:
Mark Puha 2025-08-04 18:51:04 +02:00
parent 675b7b7531
commit 0ab6960fcc
1 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
device/awg/magic_header.go
View file

@ -26,8 +26,8 @@ func NewMagicHeader(min, max uint32) (MagicHeader, error) {
}
func ParseMagicHeader(key, value string) (MagicHeader, error) {
splitLimits := strings.Split(value, "-")
if len(splitLimits) != 2 {
hyphenIdx := strings.Index(value, "-")
if hyphenIdx == -1 {
// if there is no hyphen, we treat it as single magic header value
magicHeader, err := strconv.ParseUint(value, 10, 32)
if err != nil {
@ -35,23 +35,27 @@ func ParseMagicHeader(key, value string) (MagicHeader, error) {
}
return NewMagicHeader(uint32(magicHeader), uint32(magicHeader))
} else if len(splitLimits[0]) == 0 || len(splitLimits[1]) == 0 {
}
minStr := value[:hyphenIdx]
maxStr := value[hyphenIdx+1:]
if len(minStr) == 0 || len(maxStr) == 0 {
return MagicHeader{}, fmt.Errorf("invalid value for key: %s; value: %s; expected format: min-max", key, value)
}
min, err := strconv.ParseUint(splitLimits[0], 10, 32)
min, err := strconv.ParseUint(minStr, 10, 32)
if err != nil {
return MagicHeader{}, fmt.Errorf("parse min key: %s; value: %s; %w", key, splitLimits[0], err)
return MagicHeader{}, fmt.Errorf("parse min key: %s; value: %s; %w", key, minStr, err)
}
max, err := strconv.ParseUint(splitLimits[1], 10, 32)
max, err := strconv.ParseUint(maxStr, 10, 32)
if err != nil {
return MagicHeader{}, fmt.Errorf("parse max key: %s; value: %s; %w", key, splitLimits[1], err)
return MagicHeader{}, fmt.Errorf("parse max key: %s; value: %s; %w", key, maxStr, err)
}
magicHeader, err := NewMagicHeader(uint32(min), uint32(max))
if err != nil {
return MagicHeader{}, fmt.Errorf("new magicHeader key: %s; value: %s-%s; %w", key, splitLimits[0], splitLimits[1], err)
return MagicHeader{}, fmt.Errorf("new magicHeader key: %s; value: %s-%s; %w", key, minStr, maxStr, err)
}
return magicHeader, nil