test/confdump.c

   1 /*
   2  * Copyright 1999-2019 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 static STACK_OF(OPENSSL_CSTRING) *section_names = NULL;
  18
  19 static void collect_section_name(CONF_VALUE *v)
  20 {
  21     /* A section is a CONF_VALUE with name == NULL */
  22     if (v->name == NULL)
  23         sk_OPENSSL_CSTRING_push(section_names, v->section);
  24 }
  25
  26 static int section_name_cmp(OPENSSL_CSTRING const *a, OPENSSL_CSTRING const *b)
  27 {
  28     return strcmp(*a, *b);
  29 }
  30
  31 static void collect_all_sections(const CONF *cnf)
  32 {
  33     section_names = sk_OPENSSL_CSTRING_new(section_name_cmp);
  34     lh_CONF_VALUE_doall(cnf->data, collect_section_name);
  35     sk_OPENSSL_CSTRING_sort(section_names);
  36 }
  37
  38 static void dump_section(const char *name, const CONF *cnf)
  39 {
  40     STACK_OF(CONF_VALUE) *sect = NCONF_get_section(cnf, name);
  41     int i;
  42
  43     printf("[ %s ]\n", name);
  44     for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
  45         CONF_VALUE *cv = sk_CONF_VALUE_value(sect, i);
  46
  47         printf("%s = %s\n", cv->name, cv->value);
  48     }
  49 }
  50
  51 int main(int argc, char **argv)
  52 {
  53     long eline;
  54     CONF *conf = NCONF_new(NCONF_default());
  55     int ret = 1;
  56
  57     if (conf != NULL && NCONF_load(conf, argv[1], &eline)) {
  58         int i;
  59
  60         collect_all_sections(conf);
  61         for (i = 0; i < sk_OPENSSL_CSTRING_num(section_names); i++) {
  62             dump_section(sk_OPENSSL_CSTRING_value(section_names, i), conf);
  63         }
  64         sk_OPENSSL_CSTRING_free(section_names);
  65         ret = 0;
  66     } else {
  67         ERR_print_errors_fp(stderr);
  68     }
  69     NCONF_free(conf);
  70     return ret;
  71 }