Function httpLoadCredentials

cups/tls-openssl.c:704–826

 */

int					// O - 0 on success, -1 on error
httpLoadCredentials(
    const char   *path,			// I  - Keychain/PKCS#12 path
    cups_array_t **credentials,		// IO - Credentials
    const char   *common_name)		// I  - Common name for credentials
{
  cups_file_t		*fp;		// Certificate file
  char			filename[1024],	// filename.crt
			temp[1024],	// Temporary string
			line[256];	// Base64-encoded line
  unsigned char		*data = NULL;	// Buffer for cert data
  size_t		alloc_data = 0,	// Bytes allocated
			num_data = 0;	// Bytes used
  int			decoded;	// Bytes decoded
  int			in_certificate = 0;
					// In a certificate?


  if (!credentials || !common_name)
    return (-1);

  if (!path)
    path = http_default_path(temp, sizeof(temp));
  if (!path)
    return (-1);

  http_make_path(filename, sizeof(filename), path, common_name, "crt");

  if ((fp = cupsFileOpen(filename, "r")) == NULL)
    return (-1);

  while (cupsFileGets(fp, line, sizeof(line)))
  {
    if (!strcmp(line, "-----BEGIN CERTIFICATE-----"))
    {
      if (in_certificate)
      {
       /*
	* Missing END CERTIFICATE...
	*/

        httpFreeCredentials(*credentials);
	*credentials = NULL;
        break;
      }

      in_certificate = 1;
    }
    else if (!strcmp(line, "-----END CERTIFICATE-----"))
    {
      if (!in_certificate || !num_data)
      {
       /*
	* Missing data...
	*/

        httpFreeCredentials(*credentials);
	*credentials = NULL;