text: /*
   * Copyright 2012-2020 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #include <stdio.h>
  #include <openssl/crypto.h>
  #include "internal/cryptlib.h"
  #include <openssl/conf.h>
  #include <openssl/x509v3.h>
  
  /* Multi string module: add table entries from a given section */
  
  static int do_tcreate(const char *value, const char *name);
  
  static int stbl_module_init(CONF_IMODULE *md, const CONF *cnf)
  {
      int i;
      const char *stbl_section;
      STACK_OF(CONF_VALUE) *sktmp;
      CONF_VALUE *mval;
  
      stbl_section = CONF_imodule_get_value(md);
      if ((sktmp = NCONF_get_section(cnf, stbl_section)) == NULL) {
          ERR_raise(ERR_LIB_ASN1, ASN1_R_ERROR_LOADING_SECTION);
          return 0;
      }
      for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
          mval = sk_CONF_VALUE_value(sktmp, i);
          if (!do_tcreate(mval->value, mval->name)) {
              ERR_raise(ERR_LIB_ASN1, ASN1_R_INVALID_VALUE);
              return 0;
          }
      }
      return 1;
  }
  
  static void stbl_module_finish(CONF_IMODULE *md)
  {
      ASN1_STRING_TABLE_cleanup();
  }
  
  void ASN1_add_stable_module(void)
  {
      CONF_module_add("stbl_section", stbl_module_init, stbl_module_finish);
  }
  
  /*
   * Create an table entry based on a name value pair. format is oid_name =
   * n1:v1, n2:v2,... where name is "min", "max", "mask" or "flags".
   */
  
  static int do_tcreate(const char *value, const char *name)
  {
      char *eptr;
      int nid, i, rv = 0;
      long tbl_min = -1, tbl_max = -1;
      unsigned long tbl_mask = 0, tbl_flags = 0;
      STACK_OF(CONF_VALUE) *lst = NULL;
      CONF_VALUE *cnf = NULL;
      nid = OBJ_sn2nid(name);
      if (nid == NID_undef)
          nid = OBJ_ln2nid(name);
      if (nid == NID_undef)
          goto err;
      lst = X509V3_parse_list(value);
      if (!lst)
          goto err;
      for (i = 0; i < sk_CONF_VALUE_num(lst); i++) {
          cnf = sk_CONF_VALUE_value(lst, i);
          if (strcmp(cnf->name, "min") == 0) {
              tbl_min = strtoul(cnf->value, &eptr, 0);
              if (*eptr)
                  goto err;
          } else if (strcmp(cnf->name, "max") == 0) {
              tbl_max = strtoul(cnf->value, &eptr, 0);
              if (*eptr)
                  goto err;
          } else if (strcmp(cnf->name, "mask") == 0) {
              if (!ASN1_str2mask(cnf->value, &tbl_mask) || !tbl_mask)
                  goto err;
          } else if (strcmp(cnf->name, "flags") == 0) {
              if (strcmp(cnf->value, "nomask") == 0)
                  tbl_flags = STABLE_NO_MASK;
              else if (strcmp(cnf->value, "none") == 0)
                  tbl_flags = STABLE_FLAGS_CLEAR;
              else
                  goto err;
          } else
              goto err;
      }
      rv = 1;
   err:
      if (rv == 0) {
          if (cnf)
              ERR_raise_data(ERR_LIB_ASN1, ASN1_R_INVALID_STRING_TABLE_VALUE,
                             "field=%s, value=%s", cnf->name, cnf->value);
          else
              ERR_raise_data(ERR_LIB_ASN1, ASN1_R_INVALID_STRING_TABLE_VALUE,
                             "name=%s, value=%s", name, value);
      } else {
          rv = ASN1_STRING_TABLE_add(nid, tbl_min, tbl_max,
                                     tbl_mask, tbl_flags);
          if (!rv)
              ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE);
      }
      sk_CONF_VALUE_pop_free(lst, X509V3_conf_free);
      return rv;
  }
  