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, OPT_CPUSETTINGS
  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     {"enginesdir", OPT_ENGINESDIR, '-', "Default engine module directory"},
  24     {"modulesdir", OPT_MODULESDIR, '-',
  25      "Default module directory (other than engine modules)"},
  26     {"dsoext", OPT_DSOEXT, '-', "Configured extension for modules"},
  27     {"dirnamesep", OPT_DIRNAMESEP, '-', "Directory-filename separator"},
  28     {"listsep", OPT_LISTSEP, '-', "List separator character"},
  29     {"seeds", OPT_SEEDS, '-', "Seed sources"},
  30     {"cpusettings", OPT_CPUSETTINGS, '-', "CPU settings info"},
  31     {NULL}
  32 };
  33
  34 int info_main(int argc, char **argv)
  35 {
  36     int ret = 1, dirty = 0, type = 0;
  37     char *prog;
  38     OPTION_CHOICE o;
  39
  40     prog = opt_init(argc, argv, info_options);
  41     while ((o = opt_next()) != OPT_EOF) {
  42         switch (o) {
  43         default:
  44 opthelp:
  45             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  46             goto end;
  47         case OPT_HELP:
  48             opt_help(info_options);
  49             ret = 0;
  50             goto end;
  51         case OPT_CONFIGDIR:
  52             type = OPENSSL_INFO_CONFIG_DIR;
  53             dirty++;
  54             break;
  55         case OPT_ENGINESDIR:
  56             type = OPENSSL_INFO_ENGINES_DIR;
  57             dirty++;
  58             break;
  59         case OPT_MODULESDIR:
  60             type = OPENSSL_INFO_MODULES_DIR;
  61             dirty++;
  62             break;
  63         case OPT_DSOEXT:
  64             type = OPENSSL_INFO_DSO_EXTENSION;
  65             dirty++;
  66             break;
  67         case OPT_DIRNAMESEP:
  68             type = OPENSSL_INFO_DIR_FILENAME_SEPARATOR;
  69             dirty++;
  70             break;
  71         case OPT_LISTSEP:
  72             type = OPENSSL_INFO_LIST_SEPARATOR;
  73             dirty++;
  74             break;
  75         case OPT_SEEDS:
  76             type = OPENSSL_INFO_SEED_SOURCE;
  77             dirty++;
  78             break;
  79         case OPT_CPUSETTINGS:
  80             type = OPENSSL_INFO_CPU_SETTINGS;
  81             dirty++;
  82             break;
  83         }
  84     }
  85     if (opt_num_rest() != 0) {
  86         BIO_printf(bio_err, "%s: Extra parameters given.\n", prog);
  87         goto opthelp;
  88     }
  89     if (dirty > 1) {
  90         BIO_printf(bio_err, "%s: Only one item allowed\n", prog);
  91         goto opthelp;
  92     }
  93     if (dirty == 0) {
  94         BIO_printf(bio_err, "%s: No items chosen\n", prog);
  95         goto opthelp;
  96     }
  97
  98     BIO_printf(bio_out, "%s\n", OPENSSL_info(type));
  99     ret = 0;
 100  end:
 101     return ret;
 102 }