增加登录Banner开关，默认开启

server/base/cfg.go

@@ -57,6 +57,7 @@ type ServerConfig struct {
 	HttpServerLog       bool   `json:"http_server_log"`
 	Pprof               bool   `json:"pprof"`
 	Issuer              string `json:"issuer"`
+	EnableBanner        bool   `json:"enable_banner"`
 	AdminUser           string `json:"admin_user"`
 	AdminPass           string `json:"admin_pass"`
 	AdminOtp            string `json:"admin_otp"`

server/base/config.go

@@ -43,6 +43,7 @@ var configs = []config{
 	{Typ: cfgBool, Name: "http_server_log", Usage: "开启go标准库http.Server的日志", ValBool: false},
 	{Typ: cfgBool, Name: "pprof", Usage: "开启pprof", ValBool: true},
 	{Typ: cfgStr, Name: "issuer", Usage: "系统名称", ValStr: "XX公司VPN"},
+	{Typ: cfgBool, Name: "enable_banner", Usage: "登录横幅", ValBool: true},
 	{Typ: cfgStr, Name: "admin_user", Usage: "管理用户名", ValStr: "admin"},
 	{Typ: cfgStr, Name: "admin_pass", Usage: "管理用户密码", ValStr: defaultPwd},
 	{Typ: cfgStr, Name: "admin_otp", Usage: "管理用户otp,生成命令 ./anylink tool -o", ValStr: ""},