test/confdump.c

   1 /*
   2  * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <openssl/bio.h>
  13 #include <openssl/conf.h>
  14 #include <openssl/safestack.h>
  15 #include <openssl/err.h>
  16
  17 DEFINE_STACK_OF(CONF_VALUE)
  18
  19 static STACK_OF(OPENSSL_CSTRING) *section_names = NULL;
  20
  21 static void collect_section_name(CONF_VALUE *v)
  22 {
  23     /* A section is a CONF_VALUE with name == NULL */
  24     if (v->name == NULL)
  25         sk_OPENSSL_CSTRING_push(section_names, v->section);
  26 }
  27
  28 static int section_name_cmp(OPENSSL_CSTRING const *a, OPENSSL_CSTRING const *b)
  29 {
  30     return strcmp(*a, *b);
  31 }
  32
  33 static void collect_all_sections(const CONF *cnf)
  34 {
  35     section_names = sk_OPENSSL_CSTRING_new(section_name_cmp);
  36     lh_CONF_VALUE_doall(cnf->data, collect_section_name);
  37     sk_OPENSSL_CSTRING_sort(section_names);
  38 }
  39
  40 static void dump_section(const char *name, const CONF *cnf)
  41 {
  42     STACK_OF(CONF_VALUE) *sect = NCONF_get_section(cnf, name);
  43     int i;
  44
  45     printf("[ %s ]\n", name);
  46     for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
  47         CONF_VALUE *cv = sk_CONF_VALUE_value(sect, i);
  48
  49         printf("%s = %s\n", cv->name, cv->value);
  50     }
  51 }
  52
  53 int main(int argc, char **argv)
  54 {
  55     long eline;
  56     CONF *conf = NCONF_new(NCONF_default());
  57     int ret = 1;
  58
  59     if (conf != NULL && NCONF_load(conf, argv[1], &eline)) {
  60         int i;
  61
  62         collect_all_sections(conf);
  63         for (i = 0; i < sk_OPENSSL_CSTRING_num(section_names); i++) {
  64             dump_section(sk_OPENSSL_CSTRING_value(section_names, i), conf);
  65         }
  66         sk_OPENSSL_CSTRING_free(section_names);
  67         ret = 0;
  68     } else {
  69         ERR_print_errors_fp(stderr);
  70     }
  71     NCONF_free(conf);
  72     return ret;
  73 }