3.92.7. SSLCertificateVerifyHook Previous topic Parent topic Child topic Next topic

Further certificate checks can be added with a custom hook. For more information, see SSL_verifycn_name Opens in new window. The hook should return 0 or 1 for fail and pass respectively. The hook is called once for each certificate in the certificate chain.
The following arguments are passed to the hook:
  • $_[0] is a true or false value indicating what OpenSSL's view of the cert.
  • $_[1] is a C-style memory address of the certificate store.
  • $_[2] is a string containing certificate's issuer and owner.
  • $_[3] is a string containing any errors encountered or 0 if there were no errors.
  • $_[4] is a C-style memory address of current certificate in the chain.