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      1 /*
      2  * Copyright 2019-2021 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_COMMON,
     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 
     22     OPT_SECTION("General"),
     23     {"help", OPT_HELP, '-', "Display this summary"},
     24 
     25     OPT_SECTION("Output"),
     26     {"configdir", OPT_CONFIGDIR, '-', "Default configuration file directory"},
     27     {"enginesdir", OPT_ENGINESDIR, '-', "Default engine module directory"},
     28     {"modulesdir", OPT_MODULESDIR, '-',
     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     {"cpusettings", OPT_CPUSETTINGS, '-', "CPU settings info"},
     35     {NULL}
     36 };
     37 
     38 int info_main(int argc, char **argv)
     39 {
     40     int ret = 1, dirty = 0, type = 0;
     41     char *prog;
     42     OPTION_CHOICE o;
     43 
     44     prog = opt_init(argc, argv, info_options);
     45     while ((o = opt_next()) != OPT_EOF) {
     46         switch (o) {
     47         default:
     48 opthelp:
     49             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
     50             goto end;
     51         case OPT_HELP:
     52             opt_help(info_options);
     53             ret = 0;
     54             goto end;
     55         case OPT_CONFIGDIR:
     56             type = OPENSSL_INFO_CONFIG_DIR;
     57             dirty++;
     58             break;
     59         case OPT_ENGINESDIR:
     60             type = OPENSSL_INFO_ENGINES_DIR;
     61             dirty++;
     62             break;
     63         case OPT_MODULESDIR:
     64             type = OPENSSL_INFO_MODULES_DIR;
     65             dirty++;
     66             break;
     67         case OPT_DSOEXT:
     68             type = OPENSSL_INFO_DSO_EXTENSION;
     69             dirty++;
     70             break;
     71         case OPT_DIRNAMESEP:
     72             type = OPENSSL_INFO_DIR_FILENAME_SEPARATOR;
     73             dirty++;
     74             break;
     75         case OPT_LISTSEP:
     76             type = OPENSSL_INFO_LIST_SEPARATOR;
     77             dirty++;
     78             break;
     79         case OPT_SEEDS:
     80             type = OPENSSL_INFO_SEED_SOURCE;
     81             dirty++;
     82             break;
     83         case OPT_CPUSETTINGS:
     84             type = OPENSSL_INFO_CPU_SETTINGS;
     85             dirty++;
     86             break;
     87         }
     88     }
     89     if (opt_num_rest() != 0)
     90         goto opthelp;
     91     if (dirty > 1) {
     92         BIO_printf(bio_err, "%s: Only one item allowed\n", prog);
     93         goto opthelp;
     94     }
     95     if (dirty == 0) {
     96         BIO_printf(bio_err, "%s: No items chosen\n", prog);
     97         goto opthelp;
     98     }
     99 
    100     BIO_printf(bio_out, "%s\n", OPENSSL_info(type));
    101     ret = 0;
    102  end:
    103     return ret;
    104 }
    105