46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
// +build !debug
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package stun
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import "github.com/pion/stun/internal/hmac"
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// CheckSize returns ErrAttrSizeInvalid if got is not equal to expected.
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func CheckSize(_ AttrType, got, expected int) error {
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if got == expected {
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return nil
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}
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return ErrAttributeSizeInvalid
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}
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func checkHMAC(got, expected []byte) error {
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if hmac.Equal(got, expected) {
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return nil
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}
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return ErrIntegrityMismatch
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}
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func checkFingerprint(got, expected uint32) error {
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if got == expected {
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return nil
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}
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return ErrFingerprintMismatch
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}
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// IsAttrSizeInvalid returns true if error means that attribute size is invalid.
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func IsAttrSizeInvalid(err error) bool {
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return err == ErrAttributeSizeInvalid
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}
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// CheckOverflow returns ErrAttributeSizeOverflow if got is bigger that max.
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func CheckOverflow(_ AttrType, got, max int) error {
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if got <= max {
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return nil
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}
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return ErrAttributeSizeOverflow
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}
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// IsAttrSizeOverflow returns true if error means that attribute size is too big.
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func IsAttrSizeOverflow(err error) bool {
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return err == ErrAttributeSizeOverflow
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}
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