/*
 * Copyright (C) 2003-2012 FreeIPMI Core Team
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include <stdio.h>
#include <stdlib.h>
#if STDC_HEADERS
#include <string.h>
#endif /* STDC_HEADERS */
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <errno.h>
#include <assert.h>

#include "config-tool-validate.h"

#include "freeipmi-portability.h"

config_validate_t
config_yes_no_validate (const char *section_name,
                        const char *key_name,
                        const char *value,
                        void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  if (!strcasecmp (value, "yes") || !strcasecmp (value, "no"))
    return (CONFIG_VALIDATE_VALID_VALUE);
  return (CONFIG_VALIDATE_INVALID_VALUE);
}

config_validate_t
config_check_number_range (const char *value,
                           int min,
                           int max)
{
  long int conv;
  char *endptr;

  assert (value);

  errno = 0;
  conv = strtol (value, &endptr, 0);

  if (errno
      || endptr[0] != '\0')
    return (CONFIG_VALIDATE_INVALID_VALUE);

  if (conv < min || conv > max)
    return (CONFIG_VALIDATE_OUT_OF_RANGE_VALUE);

  return (CONFIG_VALIDATE_VALID_VALUE);
}

config_validate_t
config_number_range_three_bits (const char *section_name,
                                const char *key_name,
                                const char *value,
                                void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 7));
}

config_validate_t
config_number_range_four_bits (const char *section_name,
                               const char *key_name,
                               const char *value,
                               void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 15));
}

config_validate_t
config_number_range_seven_bits (const char *section_name,
                                const char *key_name,
                                const char *value,
                                void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 127));
}

config_validate_t
config_number_range_twelve_bits (const char *section_name,
                                 const char *key_name,
                                 const char *value,
                                 void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 4095));
}

config_validate_t
config_number_range_one_byte (const char *section_name,
                              const char *key_name,
                              const char *value,
                              void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 255));
}

config_validate_t
config_number_range_one_byte_non_zero (const char *section_name,
                                       const char *key_name,
                                       const char *value,
                                       void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 1, 255));
}

config_validate_t
config_number_range_two_bytes (const char *section_name,
                               const char *key_name,
                               const char *value,
                               void *arg)
{
  assert (section_name);
  assert (key_name);
  assert (value);

  return (config_check_number_range (value, 0, 65535));
}

config_validate_t
config_ip_address_validate (const char *section_name,
                            const char *key_name,
                            const char *value,
                            void *arg)
{
  struct in_addr a;

  assert (section_name);
  assert (key_name);
  assert (value);

  if (inet_aton (value, &a))
    return (CONFIG_VALIDATE_VALID_VALUE);
  return (CONFIG_VALIDATE_INVALID_VALUE);
}

config_validate_t
config_mac_address_validate (const char *section_name,
                             const char *key_name,
                             const char *value,
                             void *arg)
{
  unsigned int foo;

  assert (section_name);
  assert (key_name);
  assert (value);

  if (sscanf (value,
              "%02x:%02x:%02x:%02x:%02x:%02x",
              &foo,
              &foo,
              &foo,
              &foo,
              &foo,
              &foo) == 6)
    return (CONFIG_VALIDATE_VALID_VALUE);
  return (CONFIG_VALIDATE_INVALID_VALUE);
}


