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      1 /*
      2  * Copyright 1995-2021 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 <stdio.h>
     11 #include <stdlib.h>
     12 #include <string.h>
     13 #include "apps.h"
     14 #include "progs.h"
     15 #include <openssl/evp.h>
     16 #include <openssl/crypto.h>
     17 #include <openssl/bn.h>
     18 
     19 typedef enum OPTION_choice {
     20     OPT_COMMON,
     21     OPT_B, OPT_D, OPT_E, OPT_M, OPT_F, OPT_O, OPT_P, OPT_V, OPT_A, OPT_R, OPT_C
     22 } OPTION_CHOICE;
     23 
     24 const OPTIONS version_options[] = {
     25     OPT_SECTION("General"),
     26     {"help", OPT_HELP, '-', "Display this summary"},
     27 
     28     OPT_SECTION("Output"),
     29     {"a", OPT_A, '-', "Show all data"},
     30     {"b", OPT_B, '-', "Show build date"},
     31     {"d", OPT_D, '-', "Show configuration directory"},
     32     {"e", OPT_E, '-', "Show engines directory"},
     33     {"m", OPT_M, '-', "Show modules directory"},
     34     {"f", OPT_F, '-', "Show compiler flags used"},
     35     {"o", OPT_O, '-', "Show some internal datatype options"},
     36     {"p", OPT_P, '-', "Show target build platform"},
     37     {"r", OPT_R, '-', "Show random seeding options"},
     38     {"v", OPT_V, '-', "Show library version"},
     39     {"c", OPT_C, '-', "Show CPU settings info"},
     40     {NULL}
     41 };
     42 
     43 int version_main(int argc, char **argv)
     44 {
     45     int ret = 1, dirty = 0, seed = 0;
     46     int cflags = 0, version = 0, date = 0, options = 0, platform = 0, dir = 0;
     47     int engdir = 0, moddir = 0, cpuinfo = 0;
     48     char *prog;
     49     OPTION_CHOICE o;
     50 
     51     prog = opt_init(argc, argv, version_options);
     52     while ((o = opt_next()) != OPT_EOF) {
     53         switch (o) {
     54         case OPT_EOF:
     55         case OPT_ERR:
     56 opthelp:
     57             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
     58             goto end;
     59         case OPT_HELP:
     60             opt_help(version_options);
     61             ret = 0;
     62             goto end;
     63         case OPT_B:
     64             dirty = date = 1;
     65             break;
     66         case OPT_D:
     67             dirty = dir = 1;
     68             break;
     69         case OPT_E:
     70             dirty = engdir = 1;
     71             break;
     72         case OPT_M:
     73             dirty = moddir = 1;
     74             break;
     75         case OPT_F:
     76             dirty = cflags = 1;
     77             break;
     78         case OPT_O:
     79             dirty = options = 1;
     80             break;
     81         case OPT_P:
     82             dirty = platform = 1;
     83             break;
     84         case OPT_R:
     85             dirty = seed = 1;
     86             break;
     87         case OPT_V:
     88             dirty = version = 1;
     89             break;
     90         case OPT_C:
     91             dirty = cpuinfo = 1;
     92             break;
     93         case OPT_A:
     94             seed = options = cflags = version = date = platform
     95                 = dir = engdir = moddir = cpuinfo
     96                 = 1;
     97             break;
     98         }
     99     }
    100 
    101     /* No extra arguments. */
    102     argc = opt_num_rest();
    103     if (argc != 0)
    104         goto opthelp;
    105 
    106     if (!dirty)
    107         version = 1;
    108 
    109     if (version)
    110         printf("%s (Library: %s)\n",
    111                OPENSSL_VERSION_TEXT, OpenSSL_version(OPENSSL_VERSION));
    112     if (date)
    113         printf("%s\n", OpenSSL_version(OPENSSL_BUILT_ON));
    114     if (platform)
    115         printf("%s\n", OpenSSL_version(OPENSSL_PLATFORM));
    116     if (options) {
    117         printf("options: ");
    118         printf(" %s", BN_options());
    119         printf("\n");
    120     }
    121     if (cflags)
    122         printf("%s\n", OpenSSL_version(OPENSSL_CFLAGS));
    123     if (dir)
    124         printf("%s\n", OpenSSL_version(OPENSSL_DIR));
    125     if (engdir)
    126         printf("%s\n", OpenSSL_version(OPENSSL_ENGINES_DIR));
    127     if (moddir)
    128         printf("%s\n", OpenSSL_version(OPENSSL_MODULES_DIR));
    129     if (seed) {
    130         const char *src = OPENSSL_info(OPENSSL_INFO_SEED_SOURCE);
    131         printf("Seeding source: %s\n", src ? src : "N/A");
    132     }
    133     if (cpuinfo)
    134         printf("%s\n", OpenSSL_version(OPENSSL_CPU_INFO));
    135     ret = 0;
    136  end:
    137     return ret;
    138 }
    139 
    140 
    141 #if defined(__TANDEM) && defined(OPENSSL_VPROC)
    142 /*
    143  * Define a VPROC function for the openssl program.
    144  * This is used by platform version identification tools.
    145  * Do not inline this procedure or make it static.
    146  */
    147 # define OPENSSL_VPROC_STRING_(x)    x##_OPENSSL
    148 # define OPENSSL_VPROC_STRING(x)     OPENSSL_VPROC_STRING_(x)
    149 # define OPENSSL_VPROC_FUNC          OPENSSL_VPROC_STRING(OPENSSL_VPROC)
    150 void OPENSSL_VPROC_FUNC(void) {}
    151 #endif
    152