Function httpCredentialsString

cups/tls-sspi.c:311–374

 */

size_t					/* O - Total size of credentials string */
httpCredentialsString(
    cups_array_t *credentials,		/* I - Credentials */
    char         *buffer,		/* I - Buffer or @code NULL@ */
    size_t       bufsize)		/* I - Size of buffer */
{
  http_credential_t	*first = (http_credential_t *)cupsArrayFirst(credentials);
					/* First certificate */
  PCCERT_CONTEXT 	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';

  cert = http_sspi_create_credential(first);

  if (cert)
  {
    char		cert_name[256];	/* Common name */
    SYSTEMTIME		systime;	/* System time */
    struct tm		tm;		/* UNIX date/time */
    time_t		expiration;	/* Expiration date of cert */
    unsigned char	md5_digest[16];	/* MD5 result */

    FileTimeToSystemTime(&(cert->pCertInfo->NotAfter), &systime);

    tm.tm_year = systime.wYear - 1900;
    tm.tm_mon  = systime.wMonth - 1;
    tm.tm_mday = systime.wDay;
    tm.tm_hour = systime.wHour;
    tm.tm_min  = systime.wMinute;
    tm.tm_sec  = systime.wSecond;

    expiration = mktime(&tm);

    if (CertNameToStrA(X509_ASN_ENCODING, &(cert->pCertInfo->Subject), CERT_SIMPLE_NAME_STR, cert_name, sizeof(cert_name)))
    {
     /*
      * Extract common name at end...
      */

      char  *ptr = strrchr(cert_name, ',');
      if (ptr && ptr[1])
        _cups_strcpy(cert_name, ptr + 2);
    }
    else
      strlcpy(cert_name, "unknown", sizeof(cert_name));

    cupsHashData("md5", first->data, first->datalen, md5_digest, sizeof(md5_digest));

    snprintf(buffer, bufsize, "%s / %s / %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", cert_name, httpGetDateString(expiration), md5_digest[0], md5_digest[1], md5_digest[2], md5_digest[3], md5_digest[4], md5_digest[5], md5_digest[6], md5_digest[7], md5_digest[8], md5_digest[9], md5_digest[10], md5_digest[11], md5_digest[12], md5_digest[13], md5_digest[14], md5_digest[15]);

    CertFreeCertificateContext(cert);