Function httpCredentialsString

cups/tls-openssl.c:615–695

 */

size_t					// O - Total size of credentials string
httpCredentialsString(
    cups_array_t *credentials,		// I - Credentials
    char         *buffer,		// I - Buffer
    size_t       bufsize)		// I - Size of buffer
{
  http_credential_t	*first;		// First certificate
  X509			*cert;		// Certificate


  DEBUG_printf(("httpCredentialsString(credentials=%p, buffer=%p, bufsize=" CUPS_LLFMT ")", credentials, buffer, CUPS_LLCAST bufsize));

  if (!buffer)
    return (0);

  if (bufsize > 0)
    *buffer = '\0';

  first = (http_credential_t *)cupsArrayFirst(credentials);
  cert  = http_create_credential(first);

  if (cert)
  {
    char		name[256],	// Common name associated with cert
			issuer[256];	// Issuer associated with cert
    time_t		expiration;	// Expiration date of cert
    const char		*sigalg;	// Signature algorithm
    unsigned char	md5_digest[16];	// MD5 result


    X509_NAME_get_text_by_NID(X509_get_subject_name(cert), NID_commonName, name, sizeof(name));
    X509_NAME_get_text_by_NID(X509_get_issuer_name(cert), NID_commonName, issuer, sizeof(issuer));
    expiration = http_get_date(cert, 1);

    switch (X509_get_signature_nid(cert))
    {
      case NID_ecdsa_with_SHA1 :
          sigalg = "SHA1WithECDSAEncryption";
          break;
      case NID_ecdsa_with_SHA224 :
          sigalg = "SHA224WithECDSAEncryption";
          break;
      case NID_ecdsa_with_SHA256 :
          sigalg = "SHA256WithECDSAEncryption";
          break;
      case NID_ecdsa_with_SHA384 :
          sigalg = "SHA384WithECDSAEncryption";
          break;
      case NID_ecdsa_with_SHA512 :
          sigalg = "SHA512WithECDSAEncryption";
          break;
      case NID_sha1WithRSAEncryption :
          sigalg = "SHA1WithRSAEncryption";
          break;
      case NID_sha224WithRSAEncryption :
          sigalg = "SHA224WithRSAEncryption";
          break;
      case NID_sha256WithRSAEncryption :