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fix: check userKey for ss2022

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This commit is contained in:
pocketW 2022-12-19 21:48:19 +11:00
parent 3926463c59
commit e1b512ef5b
1 changed files with 38 additions and 28 deletions
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66
service/controller/userbuilder.go
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@ -3,6 +3,7 @@ package controller
import (
"encoding/base64"
"fmt"
"regexp"
"strings"
"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
@ -18,12 +19,15 @@ import (
"github.com/XrayR-project/XrayR/api"
)
var AEADMethod = map[shadowsocks.CipherType]uint8{
shadowsocks.CipherType_AES_128_GCM: 0,
shadowsocks.CipherType_AES_256_GCM: 0,
shadowsocks.CipherType_CHACHA20_POLY1305: 0,
shadowsocks.CipherType_XCHACHA20_POLY1305: 0,
}
var (
AEADMethod = map[shadowsocks.CipherType]uint8{
shadowsocks.CipherType_AES_128_GCM: 0,
shadowsocks.CipherType_AES_256_GCM: 0,
shadowsocks.CipherType_CHACHA20_POLY1305: 0,
shadowsocks.CipherType_XCHACHA20_POLY1305: 0,
}
rxBase64 = regexp.MustCompile("^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$")
)
func (c *Controller) buildVmessUser(userInfo *[]api.UserInfo, serverAlterID uint16) (users []*protocol.User) {
users = make([]*protocol.User, len(*userInfo))
@ -81,23 +85,16 @@ func (c *Controller) buildSSUser(userInfo *[]api.UserInfo, method string) (users
// shadowsocks2022 Key = "openssl rand -base64 32" and multi users needn't cipher method
if C.Contains(shadowaead_2022.List, strings.ToLower(method)) {
e := c.buildUserTag(&user)
if len(user.Passwd) < 16 {
newError(fmt.Errorf("[UID: %d] shadowsocks2022 key's length must be greater than 16", user.UID)).AtError().WriteToLog()
userKey, err := checkShadowsocksPassword(user.Passwd, method)
if err != nil {
newError(fmt.Errorf("[UID: %d] %s", user.UID, err)).AtError().WriteToLog()
continue
}
userKey := user.Passwd[:16]
if strings.Contains(method, "256") {
if len(user.Passwd) < 32 {
newError(fmt.Errorf("[UID: %d] shadowsocks2022 key's length must be greater than 32", user.UID)).AtError().WriteToLog()
continue
}
userKey = user.Passwd[:32]
}
users[i] = &protocol.User{
Level: 0,
Email: e,
Account: serial.ToTypedMessage(&shadowsocks_2022.User{
Key: base64.StdEncoding.EncodeToString([]byte(userKey)),
Key: userKey,
Email: e,
Level: 0,
}),
@ -123,23 +120,16 @@ func (c *Controller) buildSSPluginUser(userInfo *[]api.UserInfo) (users []*proto
// shadowsocks2022 Key = openssl rand -base64 32 and multi users needn't cipher method
if C.Contains(shadowaead_2022.List, strings.ToLower(user.Method)) {
e := c.buildUserTag(&user)
if len(user.Passwd) < 16 {
newError(fmt.Errorf("[UID: %d] shadowsocks2022 key's length must be greater than 16", user.UID)).AtError().WriteToLog()
userKey, err := checkShadowsocksPassword(user.Passwd, user.Method)
if err != nil {
newError(fmt.Errorf("[UID: %d] %s", user.UID, err)).AtError().WriteToLog()
continue
}
userKey := user.Passwd[:16]
if strings.Contains(user.Method, "256") {
if len(user.Passwd) < 32 {
newError(fmt.Errorf("[UID: %d] shadowsocks2022 key's length must be greater than 32", user.UID)).AtError().WriteToLog()
continue
}
userKey = user.Passwd[:32]
}
users[i] = &protocol.User{
Level: 0,
Email: e,
Account: serial.ToTypedMessage(&shadowsocks_2022.User{
Key: base64.StdEncoding.EncodeToString([]byte(userKey)),
Key: userKey,
Email: e,
Level: 0,
}),
@ -180,3 +170,23 @@ func cipherFromString(c string) shadowsocks.CipherType {
func (c *Controller) buildUserTag(user *api.UserInfo) string {
return fmt.Sprintf("%s|%s|%d", c.Tag, user.Email, user.UID)
}
func checkShadowsocksPassword(password string, method string) (string, error) {
if rxBase64.MatchString(password) {
return password, nil
} else {
if len(password) < 16 {
return "", fmt.Errorf("shadowsocks2022 key's length must be greater than 16")
}
var userKey string
if method == "2022-blake3-aes-128-gcm" {
userKey = password[:16]
} else {
if len(password) < 32 {
return "", fmt.Errorf("shadowsocks2022 key's length must be greater than 32")
}
userKey = password[:32]
}
return base64.StdEncoding.EncodeToString([]byte(userKey)), nil
}
}