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 = cflags = version = date = platform = dir = engdir = 1;
 109             break;
 110         }
 111     }
 112     if (opt_num_rest() != 0) {
 113         BIO_printf(bio_err, "Extra parameters given.\n");
 114         goto opthelp;
 115     }
 116     if (!dirty)
 117         version = 1;
 118
 119     if (version) {
 120         if (OpenSSL_version_num() == OPENSSL_VERSION_NUMBER)
 121             printf("%s\n", OpenSSL_version(OPENSSL_VERSION));
 122         else
 123             printf("%s (Library: %s)\n",
 124                    OPENSSL_VERSION_TEXT, OpenSSL_version(OPENSSL_VERSION));
 125     }
 126     if (date)
 127         printf("%s\n", OpenSSL_version(OPENSSL_BUILT_ON));
 128     if (platform)
 129         printf("%s\n", OpenSSL_version(OPENSSL_PLATFORM));
 130     if (options) {
 131         printf("options:  ");
 132         printf("%s ", BN_options());
 133 #ifndef OPENSSL_NO_MD2
 134         printf("%s ", MD2_options());
 135 #endif
 136 #ifndef OPENSSL_NO_RC4
 137         printf("%s ", RC4_options());
 138 #endif
 139 #ifndef OPENSSL_NO_DES
 140         printf("%s ", DES_options());
 141 #endif
 142 #ifndef OPENSSL_NO_IDEA
 143         printf("%s ", IDEA_options());
 144 #endif
 145 #ifndef OPENSSL_NO_BF
 146         printf("%s ", BF_options());
 147 #endif
 148         printf("\n");
 149     }
 150     if (cflags)
 151         printf("%s\n", OpenSSL_version(OPENSSL_CFLAGS));
 152     if (dir)
 153         printf("%s\n", OpenSSL_version(OPENSSL_DIR));
 154     if (engdir)
 155         printf("%s\n", OpenSSL_version(OPENSSL_ENGINES_DIR));
 156     if (seed) {
 157         printf("Seeding source:");
 158 #ifdef OPENSSL_RAND_SEED_RTDSC
 159         printf(" rtdsc");
 160 #endif
 161 #ifdef OPENSSL_RAND_SEED_RDCPU
 162         printf(" rdrand ( rdseed rdrand )");
 163 #endif
 164 #ifdef OPENSSL_RAND_SEED_LIBRANDOM
 165         printf(" C-library-random");
 166 #endif
 167 #ifdef OPENSSL_RAND_SEED_GETRANDOM
 168         printf(" getrandom-syscall");
 169 #endif
 170 #ifdef OPENSSL_RAND_SEED_DEVRANDOM
 171         {
 172             static const char *dev[] = { DEVRANDOM, NULL };
 173             printlist(" random-device", dev);
 174         }
 175 #endif
 176 #ifdef OPENSSL_RAND_SEED_EGD
 177         {
 178             static const char *dev[] = { DEVRANDOM_EGD, NULL };
 179             printlist(" EGD", dev);
 180         }
 181 #endif
 182 #ifdef OPENSSL_RAND_SEED_NONE
 183         printf(" none");
 184 #endif
 185 #ifdef OPENSSL_RAND_SEED_OS
 186         printf(" os-specific");
 187 #endif
 188         printf("\n");
 189     }
 190     ret = 0;
 191  end:
 192     return ret;
 193 }