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ui_get_result_minsize

API Overview​

UI_get_result_minsize is an API in openssl. This rule belongs to the return value check type. This rule is generated using AURC.

Rule Description​

tip

UI_get_result_minsize() returns the minimum allowed result size for the UI string for B<UIT_PROMPT> and B<UIT_VERIFY> type strings, -1 for any other type.

info
  • Tags: return value check
  • Parameter Index: N/A
  • CWE Type: CWE-253

Rule Code​

import cpp

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

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