xref: /freebsd/crypto/openssl/apps/version.c (revision e7437ae907c89bf85a99c5cbb7ddd194a1ff1354)
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 }
195