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
  19 typedef enum OPTION_choice {
  20     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  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     if (opt_num_rest() != 0) {
 101         BIO_printf(bio_err, "Extra parameters given.\n");
 102         goto opthelp;
 103     }
 104     if (!dirty)
 105         version = 1;
 106
 107     if (version)
 108         printf("%s (Library: %s)\n",
 109                OPENSSL_VERSION_TEXT, OpenSSL_version(OPENSSL_VERSION));
 110     if (date)
 111         printf("%s\n", OpenSSL_version(OPENSSL_BUILT_ON));
 112     if (platform)
 113         printf("%s\n", OpenSSL_version(OPENSSL_PLATFORM));
 114     if (options) {
 115         printf("options: ");
 116         printf(" %s", BN_options());
 117         printf("\n");
 118     }
 119     if (cflags)
 120         printf("%s\n", OpenSSL_version(OPENSSL_CFLAGS));
 121     if (dir)
 122         printf("%s\n", OpenSSL_version(OPENSSL_DIR));
 123     if (engdir)
 124         printf("%s\n", OpenSSL_version(OPENSSL_ENGINES_DIR));
 125     if (moddir)
 126         printf("%s\n", OpenSSL_version(OPENSSL_MODULES_DIR));
 127     if (seed) {
 128         const char *src = OPENSSL_info(OPENSSL_INFO_SEED_SOURCE);
 129         printf("Seeding source: %s\n", src ? src : "N/A");
 130     }
 131     if (cpuinfo)
 132         printf("%s\n", OpenSSL_version(OPENSSL_CPU_INFO));
 133     ret = 0;
 134  end:
 135     return ret;
 136 }