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14c6d27d RL |
1 | /* apps/engine.c -*- mode: C; c-file-style: "eay" -*- */ |
2 | /* Written by Richard Levitte <richard@levitte.org> for the OpenSSL | |
3 | * project 2000. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <stdlib.h> | |
61 | #include <string.h> | |
62 | #ifdef NO_STDIO | |
63 | #define APPS_WIN16 | |
64 | #endif | |
65 | #include "apps.h" | |
66 | #include <openssl/err.h> | |
67 | #include <openssl/engine.h> | |
68 | #include <openssl/ssl.h> | |
69 | ||
70 | #undef PROG | |
71 | #define PROG engine_main | |
72 | ||
73 | static char *engine_usage[]={ | |
74 | "usage: engine opts [engine ...]\n", | |
75 | " -v - verbose mode, a textual listing of the engines in OpenSSL\n", | |
14c6d27d | 76 | " -c - for each engine, also list the capabilities\n", |
d48f487e | 77 | " -t - for each engine, check that they are really available\n", |
14c6d27d RL |
78 | NULL |
79 | }; | |
80 | ||
81 | static void identity(void *ptr) | |
82 | { | |
83 | return; | |
84 | } | |
85 | ||
69e7805f RL |
86 | static int append_buf(char **buf, char *s, int *size, int step) |
87 | { | |
88 | int l = strlen(s); | |
89 | ||
90 | if (*buf == NULL) | |
91 | { | |
92 | *size = step; | |
93 | *buf = OPENSSL_malloc(*size); | |
94 | if (*buf == NULL) | |
95 | return 0; | |
96 | **buf = '\0'; | |
97 | } | |
98 | ||
99 | if (**buf != '\0') | |
100 | l += 2; /* ", " */ | |
101 | ||
c063f2c5 | 102 | if (strlen(*buf) + strlen(s) >= (unsigned int)*size) |
69e7805f RL |
103 | { |
104 | *size += step; | |
105 | *buf = OPENSSL_realloc(*buf, *size); | |
106 | } | |
107 | ||
108 | if (*buf == NULL) | |
109 | return 0; | |
110 | ||
111 | if (**buf != '\0') | |
112 | strcat(*buf, ", "); | |
113 | strcat(*buf, s); | |
114 | ||
115 | return 1; | |
116 | } | |
117 | ||
14c6d27d RL |
118 | int MAIN(int, char **); |
119 | ||
120 | int MAIN(int argc, char **argv) | |
121 | { | |
122 | int ret=1,i; | |
123 | char **pp; | |
124 | int verbose=0, list_cap=0, test_avail=0; | |
125 | ENGINE *e; | |
126 | STACK *engines = sk_new_null(); | |
127 | int badops=0; | |
128 | BIO *bio_out=NULL; | |
129 | ||
130 | apps_startup(); | |
e264cfe1 | 131 | SSL_load_error_strings(); |
14c6d27d RL |
132 | |
133 | if (bio_err == NULL) | |
134 | bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
135 | bio_out=BIO_new_fp(stdout,BIO_NOCLOSE); | |
136 | #ifdef VMS | |
137 | { | |
138 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
139 | bio_out = BIO_push(tmpbio, bio_out); | |
140 | } | |
141 | #endif | |
142 | ||
143 | argc--; | |
144 | argv++; | |
145 | while (argc >= 1) | |
146 | { | |
147 | if (strcmp(*argv,"-v") == 0) | |
148 | verbose=1; | |
149 | else if (strcmp(*argv,"-c") == 0) | |
14c6d27d | 150 | list_cap=1; |
14c6d27d RL |
151 | else if (strcmp(*argv,"-t") == 0) |
152 | test_avail=1; | |
153 | else if ((strncmp(*argv,"-h",2) == 0) || | |
154 | (strcmp(*argv,"-?") == 0)) | |
155 | { | |
156 | badops=1; | |
157 | break; | |
158 | } | |
159 | else | |
160 | { | |
161 | sk_push(engines,*argv); | |
162 | } | |
163 | argc--; | |
164 | argv++; | |
165 | } | |
166 | ||
167 | if (badops) | |
168 | { | |
169 | for (pp=engine_usage; (*pp != NULL); pp++) | |
170 | BIO_printf(bio_err,"%s",*pp); | |
171 | goto end; | |
172 | } | |
173 | ||
174 | if (sk_num(engines) == 0) | |
175 | { | |
176 | for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) | |
177 | { | |
178 | sk_push(engines,(char *)ENGINE_get_id(e)); | |
179 | } | |
180 | } | |
181 | ||
182 | for (i=0; i<sk_num(engines); i++) | |
183 | { | |
184 | const char *id = sk_value(engines,i); | |
185 | if ((e = ENGINE_by_id(id)) != NULL) | |
186 | { | |
187 | const char *name = ENGINE_get_name(e); | |
188 | BIO_printf(bio_out, "%s (%s)", name, id); | |
189 | if (list_cap || test_avail) | |
69e7805f | 190 | BIO_printf(bio_out, ":"); |
14c6d27d RL |
191 | if (test_avail) |
192 | { | |
193 | if (ENGINE_init(e)) | |
194 | { | |
69e7805f | 195 | BIO_printf(bio_out, " available"); |
14c6d27d RL |
196 | ENGINE_finish(e); |
197 | } | |
198 | else | |
199 | { | |
69e7805f | 200 | BIO_printf(bio_out, " unavailable"); |
e264cfe1 | 201 | ERR_clear_error(); |
14c6d27d RL |
202 | } |
203 | } | |
69e7805f RL |
204 | if (list_cap) |
205 | { | |
206 | int cap_size = 256; | |
207 | char *cap_buf = NULL; | |
208 | ||
209 | if (ENGINE_get_RSA(e) != NULL | |
210 | && !append_buf(&cap_buf, "RSA", | |
211 | &cap_size, 256)) | |
212 | goto end; | |
213 | if (ENGINE_get_DSA(e) != NULL | |
214 | && !append_buf(&cap_buf, "DSA", | |
215 | &cap_size, 256)) | |
216 | goto end; | |
217 | if (ENGINE_get_DH(e) != NULL | |
218 | && !append_buf(&cap_buf, "DH", | |
219 | &cap_size, 256)) | |
220 | goto end; | |
221 | if (ENGINE_get_RAND(e) != NULL | |
222 | && !append_buf(&cap_buf, "RAND", | |
223 | &cap_size, 256)) | |
224 | goto end; | |
225 | ||
226 | if (*cap_buf != '\0') | |
227 | BIO_printf(bio_out, " [%s]", cap_buf); | |
228 | ||
229 | OPENSSL_free(cap_buf); | |
230 | } | |
14c6d27d RL |
231 | BIO_printf(bio_out, "\n"); |
232 | } | |
233 | else | |
e264cfe1 | 234 | ERR_print_errors(bio_err); |
14c6d27d RL |
235 | } |
236 | ||
237 | ret=0; | |
14c6d27d | 238 | end: |
69e7805f | 239 | ERR_print_errors(bio_err); |
14c6d27d RL |
240 | sk_pop_free(engines, identity); |
241 | if (bio_out != NULL) BIO_free_all(bio_out); | |
242 | EXIT(ret); | |
243 | } |