apps/info.c

   1 /*
   2  * Copyright 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 <openssl/crypto.h>
  11 #include "apps.h"
  12 #include "progs.h"
  13
  14 typedef enum OPTION_choice {
  15     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  16     OPT_CONFIGDIR, OPT_ENGINESDIR, OPT_MODULESDIR, OPT_DSOEXT, OPT_DIRNAMESEP,
  17     OPT_LISTSEP, OPT_SEEDS
  18 } OPTION_CHOICE;
  19
  20 const OPTIONS info_options[] = {
  21     {"help", OPT_HELP, '-', "Display this summary"},
  22     {"configdir", OPT_CONFIGDIR, '-', "Default configuration file directory"},
  23     {"c", OPT_CONFIGDIR, '-', "Default configuration file directory"},
  24     {"enginesdir", OPT_ENGINESDIR, '-', "Default engine module directory"},
  25     {"e", OPT_ENGINESDIR, '-', "Default engine module directory"},
  26     {"modulesdir", OPT_ENGINESDIR, '-',
  27      "Default module directory (other than engine modules)"},
  28     {"m", OPT_ENGINESDIR, '-',
  29      "Default module directory (other than engine modules)"},
  30     {"dsoext", OPT_DSOEXT, '-', "Configured extension for modules"},
  31     {"dirnamesep", OPT_DIRNAMESEP, '-', "Directory-filename separator"},
  32     {"listsep", OPT_LISTSEP, '-', "List separator character"},
  33     {"seeds", OPT_SEEDS, '-', "Seed sources"},
  34     {NULL}
  35 };
  36
  37 int info_main(int argc, char **argv)
  38 {
  39     int ret = 1, dirty = 0, type = 0;
  40     char *prog;
  41     OPTION_CHOICE o;
  42
  43     prog = opt_init(argc, argv, info_options);
  44     while ((o = opt_next()) != OPT_EOF) {
  45         switch (o) {
  46         default:
  47 opthelp:
  48             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  49             goto end;
  50         case OPT_HELP:
  51             opt_help(info_options);
  52             ret = 0;
  53             goto end;
  54         case OPT_CONFIGDIR:
  55             type = OPENSSL_INFO_CONFIG_DIR;
  56             dirty++;
  57             break;
  58         case OPT_ENGINESDIR:
  59             type = OPENSSL_INFO_ENGINES_DIR;
  60             dirty++;
  61             break;
  62         case OPT_MODULESDIR:
  63             type = OPENSSL_INFO_MODULES_DIR;
  64             dirty++;
  65             break;
  66         case OPT_DSOEXT:
  67             type = OPENSSL_INFO_DSO_EXTENSION;
  68             dirty++;
  69             break;
  70         case OPT_DIRNAMESEP:
  71             type = OPENSSL_INFO_DIR_FILENAME_SEPARATOR;
  72             dirty++;
  73             break;
  74         case OPT_LISTSEP:
  75             type = OPENSSL_INFO_LIST_SEPARATOR;
  76             dirty++;
  77             break;
  78         case OPT_SEEDS:
  79             type = OPENSSL_INFO_SEED_SOURCE;
  80             dirty++;
  81             break;
  82         }
  83     }
  84     if (opt_num_rest() != 0) {
  85         BIO_printf(bio_err, "%s: Extra parameters given.\n", prog);
  86         goto opthelp;
  87     }
  88     if (dirty > 1) {
  89         BIO_printf(bio_err, "%s: Only one item allowed\n", prog);
  90         goto opthelp;
  91     }
  92     if (dirty == 0) {
  93         BIO_printf(bio_err, "%s: No items chosen\n", prog);
  94         goto opthelp;
  95     }
  96
  97     BIO_printf(bio_out, "%s\n", OPENSSL_info(type));
  98     ret = 0;
  99  end:
 100     return ret;
 101 }