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fix: Update unsafe pointer add usage

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This commit is contained in:
gVisor bot 2023-05-06 15:49:10 +08:00
parent 2e4cef913b
commit 72e42957bf
3 changed files with 18 additions and 22 deletions
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26
component/geodata/strmatcher/mph_matcher.go
View File

@ -234,26 +234,26 @@ tail:
case s == 0:
case s < 4:
h ^= uint64(*(*byte)(p))
h ^= uint64(*(*byte)(add(p, s>>1))) << 8
h ^= uint64(*(*byte)(add(p, s-1))) << 16
h ^= uint64(*(*byte)(unsafe.Add(p, s>>1))) << 8
h ^= uint64(*(*byte)(unsafe.Add(p, s-1))) << 16
h = rotl31(h*m1) * m2
case s <= 8:
h ^= uint64(readUnaligned32(p))
h ^= uint64(readUnaligned32(add(p, s-4))) << 32
h ^= uint64(readUnaligned32(unsafe.Add(p, s-4))) << 32
h = rotl31(h*m1) * m2
case s <= 16:
h ^= readUnaligned64(p)
h = rotl31(h*m1) * m2
h ^= readUnaligned64(add(p, s-8))
h ^= readUnaligned64(unsafe.Add(p, s-8))
h = rotl31(h*m1) * m2
case s <= 32:
h ^= readUnaligned64(p)
h = rotl31(h*m1) * m2
h ^= readUnaligned64(add(p, 8))
h ^= readUnaligned64(unsafe.Add(p, 8))
h = rotl31(h*m1) * m2
h ^= readUnaligned64(add(p, s-16))
h ^= readUnaligned64(unsafe.Add(p, s-16))
h = rotl31(h*m1) * m2
h ^= readUnaligned64(add(p, s-8))
h ^= readUnaligned64(unsafe.Add(p, s-8))
h = rotl31(h*m1) * m2
default:
v1 := h
@ -263,16 +263,16 @@ tail:
for s >= 32 {
v1 ^= readUnaligned64(p)
v1 = rotl31(v1*m1) * m2
p = add(p, 8)
p = unsafe.Add(p, 8)
v2 ^= readUnaligned64(p)
v2 = rotl31(v2*m2) * m3
p = add(p, 8)
p = unsafe.Add(p, 8)
v3 ^= readUnaligned64(p)
v3 = rotl31(v3*m3) * m4
p = add(p, 8)
p = unsafe.Add(p, 8)
v4 ^= readUnaligned64(p)
v4 = rotl31(v4*m4) * m1
p = add(p, 8)
p = unsafe.Add(p, 8)
s -= 32
}
h = v1 ^ v2 ^ v3 ^ v4
@ -285,10 +285,6 @@ tail:
return uintptr(h)
}
func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
return unsafe.Pointer(uintptr(p) + x)
}
func readUnaligned32(p unsafe.Pointer) uint32 {
q := (*[4]byte)(p)
return uint32(q[0]) | uint32(q[1])<<8 | uint32(q[2])<<16 | uint32(q[3])<<24

2
component/tls/reality.go
View File

@ -141,7 +141,7 @@ var pOffset = utils.MustOK(reflect.TypeOf((*utls.UConn)(nil)).Elem().FieldByName
func (c *realityVerifier) VerifyPeerCertificate(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
//p, _ := reflect.TypeOf(c.Conn).Elem().FieldByName("peerCertificates")
certs := *(*[]*x509.Certificate)(unsafe.Pointer(uintptr(unsafe.Pointer(c.Conn)) + pOffset))
certs := *(*[]*x509.Certificate)(unsafe.Add(unsafe.Pointer(c.Conn), pOffset))
if pub, ok := certs[0].PublicKey.(ed25519.PublicKey); ok {
h := hmac.New(sha512.New, c.authKey)
h.Write(pub)

12
transport/vless/conn.go
View File

@ -474,34 +474,34 @@ func newConn(conn net.Conn, client *Client, dst *DstAddr) (*Conn, error) {
c.writeFilterApplicationData = true
c.addons = client.Addons
var t reflect.Type
var p uintptr
var p unsafe.Pointer
switch underlying := conn.(type) {
case *gotls.Conn:
//log.Debugln("type tls")
c.Conn = underlying.NetConn()
c.tlsConn = underlying
t = reflect.TypeOf(underlying).Elem()
p = uintptr(unsafe.Pointer(underlying))
p = unsafe.Pointer(underlying)
case *utls.UConn:
//log.Debugln("type *utls.UConn")
c.Conn = underlying.NetConn()
c.tlsConn = underlying
t = reflect.TypeOf(underlying.Conn).Elem()
p = uintptr(unsafe.Pointer(underlying.Conn))
p = unsafe.Pointer(underlying.Conn)
case *tlsC.UConn:
//log.Debugln("type *tlsC.UConn")
c.Conn = underlying.NetConn()
c.tlsConn = underlying.UConn
t = reflect.TypeOf(underlying.Conn).Elem()
//log.Debugln("t:%v", t)
p = uintptr(unsafe.Pointer(underlying.Conn))
p = unsafe.Pointer(underlying.Conn)
default:
return nil, fmt.Errorf(`failed to use %s, maybe "security" is not "tls" or "utls"`, client.Addons.Flow)
}
i, _ := t.FieldByName("input")
r, _ := t.FieldByName("rawInput")
c.input = (*bytes.Reader)(unsafe.Pointer(p + i.Offset))
c.rawInput = (*bytes.Buffer)(unsafe.Pointer(p + r.Offset))
c.input = (*bytes.Reader)(unsafe.Add(p, i.Offset))
c.rawInput = (*bytes.Buffer)(unsafe.Add(p, r.Offset))
//if _, ok := c.Conn.(*net.TCPConn); !ok {
// log.Debugln("XTLS underlying conn is not *net.TCPConn, got %T", c.Conn)
//}