Skip to main content

ocsp_resp_count

API Overview​

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

Rule Description​

tip

OCSP_resp_count() returns the total number of B<OCSP_SINGLERESP> fields in I<bs> or -1 on error.

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("OCSP_resp_count")
  }
}

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