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 DEFINE_STACK_OF_CSTRING()
  19
  20 static STACK_OF(OPENSSL_CSTRING) *section_names = NULL;
  21
  22 static void collect_section_name(CONF_VALUE *v)
  23 {
  24     /* A section is a CONF_VALUE with name == NULL */
  25     if (v->name == NULL)
  26         sk_OPENSSL_CSTRING_push(section_names, v->section);
  27 }
  28
  29 static int section_name_cmp(OPENSSL_CSTRING const *a, OPENSSL_CSTRING const *b)
  30 {
  31     return strcmp(*a, *b);
  32 }
  33
  34 static void collect_all_sections(const CONF *cnf)
  35 {
  36     section_names = sk_OPENSSL_CSTRING_new(section_name_cmp);
  37     lh_CONF_VALUE_doall(cnf->data, collect_section_name);
  38     sk_OPENSSL_CSTRING_sort(section_names);
  39 }
  40
  41 static void dump_section(const char *name, const CONF *cnf)
  42 {
  43     STACK_OF(CONF_VALUE) *sect = NCONF_get_section(cnf, name);
  44     int i;
  45
  46     printf("[ %s ]\n", name);
  47     for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
  48         CONF_VALUE *cv = sk_CONF_VALUE_value(sect, i);
  49
  50         printf("%s = %s\n", cv->name, cv->value);
  51     }
  52 }
  53
  54 int main(int argc, char **argv)
  55 {
  56     long eline;
  57     CONF *conf = NCONF_new(NCONF_default());
  58     int ret = 1;
  59
  60     if (conf != NULL && NCONF_load(conf, argv[1], &eline)) {
  61         int i;
  62
  63         collect_all_sections(conf);
  64         for (i = 0; i < sk_OPENSSL_CSTRING_num(section_names); i++) {
  65             dump_section(sk_OPENSSL_CSTRING_value(section_names, i), conf);
  66         }
  67         sk_OPENSSL_CSTRING_free(section_names);
  68         ret = 0;
  69     } else {
  70         ERR_print_errors_fp(stderr);
  71     }
  72     NCONF_free(conf);
  73     return ret;
  74 }