SSL_get_extms_support

API 概述

SSL_get_extms_support 是 openssl 中的一个API。该规属于return value check 类型。该规则是使用 AURC 生成的。

规则描述

提示

SSL_get_extms_support() returns 1 if the current session used extended master secret, 0 if it did not and -1 if a handshake is currently in progress i.e. it is not possible to determine if extended master secret was used.

信息

标签：return value check

参数下标：N/A

CWE类别：CWE-253

规则代码

import cpp

class OpenSSLFunctionCall extends FunctionCall {
  OpenSSLFunctionCall() {
    this.getTarget().hasName("SSL_get_extms_support")
  }
}

from OpenSSLFunctionCall call, UnaryOperation uop
where
  uop.getOperator() = "!" and
  uop.getOperand() = call.getAnAccess()
select uop, "This negation checks the return value of SSL_get_extms_support."