/* Copyright (c) 2024 Pigeonhole authors, see the included COPYING file

 */

#include "lib.h"

#include "array.h"

#include "settings.h"

#include "settings-parser.h"

#include "ext-variables-limits.h"

#include "ext-variables-settings.h"

static bool

ext_variables_settings_check(void *_set, pool_t pool ATTR_UNUSED,

           const char **error_r);

#undef DEF

#define DEF(type, name) \

  SETTING_DEFINE_STRUCT_##type("sieve_variables_"#name, name, \

             struct ext_variables_settings)

static const struct setting_define ext_variables_setting_defines[] = {

  DEF(UINT, max_scope_count),

  DEF(SIZE, max_value_size),

  SETTING_DEFINE_LIST_END,

};

static const struct ext_variables_settings ext_variables_default_settings = {

  .max_scope_count = 255,

  .max_value_size = (4 * 1024),

};

const struct setting_parser_info ext_variables_setting_parser_info = {

  .name = "sieve_variables",

  .defines = ext_variables_setting_defines,

  .defaults = &ext_variables_default_settings,

  .struct_size = sizeof(struct ext_variables_settings),

  .check_func = ext_variables_settings_check,

  .pool_offset1 = 1 + offsetof(struct ext_variables_settings, pool),

};

/* <settings checks> */

static bool

ext_variables_settings_check(void *_set, pool_t pool ATTR_UNUSED,

           const char **error_r)

{

  struct ext_variables_settings *set = _set;

  if (set->max_scope_count < EXT_VARIABLES_REQUIRED_MAX_SCOPE_COUNT) {

    *error_r = t_strdup_printf(

        "Setting sieve_variables_max_scope_count "

        "is lower than required by standards "

        "(>= %u items)",

        EXT_VARIABLES_REQUIRED_MAX_SCOPE_COUNT);

    return FALSE;

  }

  if (set->max_value_size < EXT_VARIABLES_REQUIRED_MAX_VALUE_SIZE) {

    *error_r = t_strdup_printf(

        "Setting sieve_variables_max_variable_size "

        "is lower than required by standards "

        "(>= %zu bytes)",

        (size_t)EXT_VARIABLES_REQUIRED_MAX_VALUE_SIZE);

    return FALSE;

  }

  return TRUE;

}

/* </settings checks> */