apps/version.c

   1 /*
   2  * Copyright 1995-2018 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 #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_M, 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     {"m", OPT_M, '-', "Show modules directory"},
  46     {"f", OPT_F, '-', "Show compiler flags used"},
  47     {"o", OPT_O, '-', "Show some internal datatype options"},
  48     {"p", OPT_P, '-', "Show target build platform"},
  49     {"r", OPT_R, '-', "Show random seeding options"},
  50     {"v", OPT_V, '-', "Show library version"},
  51     {NULL}
  52 };
  53
  54 #if defined(OPENSSL_RAND_SEED_DEVRANDOM) || defined(OPENSSL_RAND_SEED_EGD)
  55 static void printlist(const char *prefix, const char **dev)
  56 {
  57     printf("%s (", prefix);
  58     for ( ; *dev != NULL; dev++)
  59         printf(" \"%s\"", *dev);
  60     printf(" )");
  61 }
  62 #endif
  63
  64 int version_main(int argc, char **argv)
  65 {
  66     int ret = 1, dirty = 0, seed = 0;
  67     int cflags = 0, version = 0, date = 0, options = 0, platform = 0, dir = 0;
  68     int engdir = 0, moddir = 0;
  69     char *prog;
  70     OPTION_CHOICE o;
  71
  72     prog = opt_init(argc, argv, version_options);
  73     while ((o = opt_next()) != OPT_EOF) {
  74         switch (o) {
  75         case OPT_EOF:
  76         case OPT_ERR:
  77 opthelp:
  78             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  79             goto end;
  80         case OPT_HELP:
  81             opt_help(version_options);
  82             ret = 0;
  83             goto end;
  84         case OPT_B:
  85             dirty = date = 1;
  86             break;
  87         case OPT_D:
  88             dirty = dir = 1;
  89             break;
  90         case OPT_E:
  91             dirty = engdir = 1;
  92             break;
  93         case OPT_M:
  94             dirty = moddir = 1;
  95             break;
  96         case OPT_F:
  97             dirty = cflags = 1;
  98             break;
  99         case OPT_O:
 100             dirty = options = 1;
 101             break;
 102         case OPT_P:
 103             dirty = platform = 1;
 104             break;
 105         case OPT_R:
 106             dirty = seed = 1;
 107             break;
 108         case OPT_V:
 109             dirty = version = 1;
 110             break;
 111         case OPT_A:
 112             seed = options = cflags = version = date = platform
 113                 = dir = engdir = moddir
 114                 = 1;
 115             break;
 116         }
 117     }
 118     if (opt_num_rest() != 0) {
 119         BIO_printf(bio_err, "Extra parameters given.\n");
 120         goto opthelp;
 121     }
 122     if (!dirty)
 123         version = 1;
 124
 125     if (version)
 126         printf("%s (Library: %s)\n",
 127                OPENSSL_VERSION_TEXT, OpenSSL_version(OPENSSL_VERSION));
 128     if (date)
 129         printf("%s\n", OpenSSL_version(OPENSSL_BUILT_ON));
 130     if (platform)
 131         printf("%s\n", OpenSSL_version(OPENSSL_PLATFORM));
 132     if (options) {
 133         printf("options: ");
 134         printf(" %s", BN_options());
 135 #ifndef OPENSSL_NO_MD2
 136         printf(" %s", MD2_options());
 137 #endif
 138 #ifndef OPENSSL_NO_RC4
 139         printf(" %s", RC4_options());
 140 #endif
 141 #ifndef OPENSSL_NO_DES
 142         printf(" %s", DES_options());
 143 #endif
 144 #ifndef OPENSSL_NO_IDEA
 145         printf(" %s", IDEA_options());
 146 #endif
 147 #ifndef OPENSSL_NO_BF
 148         printf(" %s", BF_options());
 149 #endif
 150         printf("\n");
 151     }
 152     if (cflags)
 153         printf("%s\n", OpenSSL_version(OPENSSL_CFLAGS));
 154     if (dir)
 155         printf("%s\n", OpenSSL_version(OPENSSL_DIR));
 156     if (engdir)
 157         printf("%s\n", OpenSSL_version(OPENSSL_ENGINES_DIR));
 158     if (moddir)
 159         printf("%s\n", OpenSSL_version(OPENSSL_MODULES_DIR));
 160     if (seed)
 161         printf("Seeding source: %s\n", OPENSSL_info(OPENSSL_INFO_SEED_SOURCE));
 162     ret = 0;
 163  end:
 164     return ret;
 165 }