apps/version.c

   1 /*
   2  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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 #ifndef OPENSSL_NO_MD2
  19 # include <openssl/md2.h>
  20 #endif
  21 #ifndef OPENSSL_NO_RC4
  22 # include <openssl/rc4.h>
  23 #endif
  24 #ifndef OPENSSL_NO_DES
  25 # include <openssl/des.h>
  26 #endif
  27 #ifndef OPENSSL_NO_IDEA
  28 # include <openssl/idea.h>
  29 #endif
  30 #ifndef OPENSSL_NO_BF
  31 # include <openssl/blowfish.h>
  32 #endif
  33
  34 typedef enum OPTION_choice {
  35     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  36     OPT_B, OPT_D, OPT_E, OPT_F, OPT_O, OPT_P, OPT_V, OPT_A, OPT_R
  37 } OPTION_CHOICE;
  38
  39 const OPTIONS version_options[] = {
  40     {"help", OPT_HELP, '-', "Display this summary"},
  41     {"a", OPT_A, '-', "Show all data"},
  42     {"b", OPT_B, '-', "Show build date"},
  43     {"d", OPT_D, '-', "Show configuration directory"},
  44     {"e", OPT_E, '-', "Show engines directory"},
  45     {"f", OPT_F, '-', "Show compiler flags used"},
  46     {"o", OPT_O, '-', "Show some internal datatype options"},
  47     {"p", OPT_P, '-', "Show target build platform"},
  48     {"r", OPT_R, '-', "Show random seeding options"},
  49     {"v", OPT_V, '-', "Show library version"},
  50     {NULL}
  51 };
  52
  53 #if defined(OPENSSL_RAND_SEED_DEVRANDOM) || defined(OPENSSL_RAND_SEED_EGD)
  54 static void printlist(const char *prefix, const char **dev)
  55 {
  56     printf("%s (", prefix);
  57     for ( ; *dev != NULL; dev++)
  58         printf(" \"%s\"", *dev);
  59     printf(" )");
  60 }
  61 #endif
  62
  63 int version_main(int argc, char **argv)
  64 {
  65     int ret = 1, dirty = 0, seed = 0;
  66     int cflags = 0, version = 0, date = 0, options = 0, platform = 0, dir = 0;
  67     int engdir = 0;
  68     char *prog;
  69     OPTION_CHOICE o;
  70
  71     prog = opt_init(argc, argv, version_options);
  72     while ((o = opt_next()) != OPT_EOF) {
  73         switch (o) {
  74         case OPT_EOF:
  75         case OPT_ERR:
  76 opthelp:
  77             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  78             goto end;
  79         case OPT_HELP:
  80             opt_help(version_options);
  81             ret = 0;
  82             goto end;
  83         case OPT_B:
  84             dirty = date = 1;
  85             break;
  86         case OPT_D:
  87             dirty = dir = 1;
  88             break;
  89         case OPT_E:
  90             dirty = engdir = 1;
  91             break;
  92         case OPT_F:
  93             dirty = cflags = 1;
  94             break;
  95         case OPT_O:
  96             dirty = options = 1;
  97             break;
  98         case OPT_P:
  99             dirty = platform = 1;
 100             break;
 101         case OPT_R:
 102             dirty = seed = 1;
 103             break;
 104         case OPT_V:
 105             dirty = version = 1;
 106             break;
 107         case OPT_A:
 108             seed = options = cflags = version = date = platform = dir = engdir
 109                 = 1;
 110             break;
 111         }
 112     }
 113     if (opt_num_rest() != 0) {
 114         BIO_printf(bio_err, "Extra parameters given.\n");
 115         goto opthelp;
 116     }
 117     if (!dirty)
 118         version = 1;
 119
 120     if (version) {
 121         if (OpenSSL_version_num() == OPENSSL_VERSION_NUMBER)
 122             printf("%s\n", OpenSSL_version(OPENSSL_VERSION));
 123         else
 124             printf("%s (Library: %s)\n",
 125                    OPENSSL_VERSION_TEXT, OpenSSL_version(OPENSSL_VERSION));
 126     }
 127     if (date)
 128         printf("%s\n", OpenSSL_version(OPENSSL_BUILT_ON));
 129     if (platform)
 130         printf("%s\n", OpenSSL_version(OPENSSL_PLATFORM));
 131     if (options) {
 132         printf("options:  ");
 133         printf("%s ", BN_options());
 134 #ifndef OPENSSL_NO_MD2
 135         printf("%s ", MD2_options());
 136 #endif
 137 #ifndef OPENSSL_NO_RC4
 138         printf("%s ", RC4_options());
 139 #endif
 140 #ifndef OPENSSL_NO_DES
 141         printf("%s ", DES_options());
 142 #endif
 143 #ifndef OPENSSL_NO_IDEA
 144         printf("%s ", IDEA_options());
 145 #endif
 146 #ifndef OPENSSL_NO_BF
 147         printf("%s ", BF_options());
 148 #endif
 149         printf("\n");
 150     }
 151     if (cflags)
 152         printf("%s\n", OpenSSL_version(OPENSSL_CFLAGS));
 153     if (dir)
 154         printf("%s\n", OpenSSL_version(OPENSSL_DIR));
 155     if (engdir)
 156         printf("%s\n", OpenSSL_version(OPENSSL_ENGINES_DIR));
 157     if (seed) {
 158         printf("Seeding source:");
 159 #ifdef OPENSSL_RAND_SEED_RTDSC
 160         printf(" rtdsc");
 161 #endif
 162 #ifdef OPENSSL_RAND_SEED_RDCPU
 163         printf(" rdrand ( rdseed rdrand )");
 164 #endif
 165 #ifdef OPENSSL_RAND_SEED_LIBRANDOM
 166         printf(" C-library-random");
 167 #endif
 168 #ifdef OPENSSL_RAND_SEED_GETRANDOM
 169         printf(" getrandom-syscall");
 170 #endif
 171 #ifdef OPENSSL_RAND_SEED_DEVRANDOM
 172         {
 173             static const char *dev[] = { DEVRANDOM, NULL };
 174             printlist(" random-device", dev);
 175         }
 176 #endif
 177 #ifdef OPENSSL_RAND_SEED_EGD
 178         {
 179             static const char *dev[] = { DEVRANDOM_EGD, NULL };
 180             printlist(" EGD", dev);
 181         }
 182 #endif
 183 #ifdef OPENSSL_RAND_SEED_NONE
 184         printf(" none");
 185 #endif
 186 #ifdef OPENSSL_RAND_SEED_OS
 187         printf(" os-specific");
 188 #endif
 189         printf("\n");
 190     }
 191     ret = 0;
 192  end:
 193     return ret;
 194 }