source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/engine.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 14.4 KB
Line 
1/*
2 * Copyright 2000-2016 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 <openssl/opensslconf.h>
11#ifdef OPENSSL_NO_ENGINE
12NON_EMPTY_TRANSLATION_UNIT
13#else
14
15# include "apps.h"
16# include <stdio.h>
17# include <stdlib.h>
18# include <string.h>
19# include <openssl/err.h>
20# include <openssl/engine.h>
21# include <openssl/ssl.h>
22
23typedef enum OPTION_choice {
24 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
25 OPT_C, OPT_T, OPT_TT, OPT_PRE, OPT_POST,
26 OPT_V = 100, OPT_VV, OPT_VVV, OPT_VVVV
27} OPTION_CHOICE;
28
29OPTIONS engine_options[] = {
30 {OPT_HELP_STR, 1, '-', "Usage: %s [options] engine...\n"},
31 {OPT_HELP_STR, 1, '-',
32 " engine... Engines to load\n"},
33 {"help", OPT_HELP, '-', "Display this summary"},
34 {"v", OPT_V, '-', "List 'control commands' For each specified engine"},
35 {"vv", OPT_VV, '-', "Also display each command's description"},
36 {"vvv", OPT_VVV, '-', "Also add the input flags for each command"},
37 {"vvvv", OPT_VVVV, '-', "Also show internal input flags"},
38 {"c", OPT_C, '-', "List the capabilities of specified engine"},
39 {"t", OPT_T, '-', "Check that specified engine is available"},
40 {"tt", OPT_TT, '-', "Display error trace for unavailable engines"},
41 {"pre", OPT_PRE, 's', "Run command against the ENGINE before loading it"},
42 {"post", OPT_POST, 's', "Run command against the ENGINE after loading it"},
43 {OPT_MORE_STR, OPT_EOF, 1,
44 "Commands are like \"SO_PATH:/lib/libdriver.so\""},
45 {NULL}
46};
47
48static int append_buf(char **buf, int *size, const char *s)
49{
50 if (*buf == NULL) {
51 *size = 256;
52 *buf = app_malloc(*size, "engine buffer");
53 **buf = '\0';
54 }
55
56 if (strlen(*buf) + strlen(s) >= (unsigned int)*size) {
57 char *tmp;
58 *size += 256;
59 tmp = OPENSSL_realloc(*buf, *size);
60 if (tmp == NULL) {
61 OPENSSL_free(*buf);
62 *buf = NULL;
63 return 0;
64 }
65 *buf = tmp;
66 }
67
68 if (**buf != '\0')
69 OPENSSL_strlcat(*buf, ", ", *size);
70 OPENSSL_strlcat(*buf, s, *size);
71
72 return 1;
73}
74
75static int util_flags(BIO *out, unsigned int flags, const char *indent)
76{
77 int started = 0, err = 0;
78 /* Indent before displaying input flags */
79 BIO_printf(out, "%s%s(input flags): ", indent, indent);
80 if (flags == 0) {
81 BIO_printf(out, "<no flags>\n");
82 return 1;
83 }
84 /*
85 * If the object is internal, mark it in a way that shows instead of
86 * having it part of all the other flags, even if it really is.
87 */
88 if (flags & ENGINE_CMD_FLAG_INTERNAL) {
89 BIO_printf(out, "[Internal] ");
90 }
91
92 if (flags & ENGINE_CMD_FLAG_NUMERIC) {
93 BIO_printf(out, "NUMERIC");
94 started = 1;
95 }
96 /*
97 * Now we check that no combinations of the mutually exclusive NUMERIC,
98 * STRING, and NO_INPUT flags have been used. Future flags that can be
99 * OR'd together with these would need to added after these to preserve
100 * the testing logic.
101 */
102 if (flags & ENGINE_CMD_FLAG_STRING) {
103 if (started) {
104 BIO_printf(out, "|");
105 err = 1;
106 }
107 BIO_printf(out, "STRING");
108 started = 1;
109 }
110 if (flags & ENGINE_CMD_FLAG_NO_INPUT) {
111 if (started) {
112 BIO_printf(out, "|");
113 err = 1;
114 }
115 BIO_printf(out, "NO_INPUT");
116 started = 1;
117 }
118 /* Check for unknown flags */
119 flags = flags & ~ENGINE_CMD_FLAG_NUMERIC &
120 ~ENGINE_CMD_FLAG_STRING &
121 ~ENGINE_CMD_FLAG_NO_INPUT & ~ENGINE_CMD_FLAG_INTERNAL;
122 if (flags) {
123 if (started)
124 BIO_printf(out, "|");
125 BIO_printf(out, "<0x%04X>", flags);
126 }
127 if (err)
128 BIO_printf(out, " <illegal flags!>");
129 BIO_printf(out, "\n");
130 return 1;
131}
132
133static int util_verbose(ENGINE *e, int verbose, BIO *out, const char *indent)
134{
135 static const int line_wrap = 78;
136 int num;
137 int ret = 0;
138 char *name = NULL;
139 char *desc = NULL;
140 int flags;
141 int xpos = 0;
142 STACK_OF(OPENSSL_STRING) *cmds = NULL;
143 if (!ENGINE_ctrl(e, ENGINE_CTRL_HAS_CTRL_FUNCTION, 0, NULL, NULL) ||
144 ((num = ENGINE_ctrl(e, ENGINE_CTRL_GET_FIRST_CMD_TYPE,
145 0, NULL, NULL)) <= 0)) {
146 return 1;
147 }
148
149 cmds = sk_OPENSSL_STRING_new_null();
150 if (!cmds)
151 goto err;
152
153 do {
154 int len;
155 /* Get the command input flags */
156 if ((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num,
157 NULL, NULL)) < 0)
158 goto err;
159 if (!(flags & ENGINE_CMD_FLAG_INTERNAL) || verbose >= 4) {
160 /* Get the command name */
161 if ((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_LEN_FROM_CMD, num,
162 NULL, NULL)) <= 0)
163 goto err;
164 name = app_malloc(len + 1, "name buffer");
165 if (ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_FROM_CMD, num, name,
166 NULL) <= 0)
167 goto err;
168 /* Get the command description */
169 if ((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_LEN_FROM_CMD, num,
170 NULL, NULL)) < 0)
171 goto err;
172 if (len > 0) {
173 desc = app_malloc(len + 1, "description buffer");
174 if (ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_FROM_CMD, num, desc,
175 NULL) <= 0)
176 goto err;
177 }
178 /* Now decide on the output */
179 if (xpos == 0)
180 /* Do an indent */
181 xpos = BIO_puts(out, indent);
182 else
183 /* Otherwise prepend a ", " */
184 xpos += BIO_printf(out, ", ");
185 if (verbose == 1) {
186 /*
187 * We're just listing names, comma-delimited
188 */
189 if ((xpos > (int)strlen(indent)) &&
190 (xpos + (int)strlen(name) > line_wrap)) {
191 BIO_printf(out, "\n");
192 xpos = BIO_puts(out, indent);
193 }
194 xpos += BIO_printf(out, "%s", name);
195 } else {
196 /* We're listing names plus descriptions */
197 BIO_printf(out, "%s: %s\n", name,
198 (desc == NULL) ? "<no description>" : desc);
199 /* ... and sometimes input flags */
200 if ((verbose >= 3) && !util_flags(out, flags, indent))
201 goto err;
202 xpos = 0;
203 }
204 }
205 OPENSSL_free(name);
206 name = NULL;
207 OPENSSL_free(desc);
208 desc = NULL;
209 /* Move to the next command */
210 num = ENGINE_ctrl(e, ENGINE_CTRL_GET_NEXT_CMD_TYPE, num, NULL, NULL);
211 } while (num > 0);
212 if (xpos > 0)
213 BIO_printf(out, "\n");
214 ret = 1;
215 err:
216 sk_OPENSSL_STRING_free(cmds);
217 OPENSSL_free(name);
218 OPENSSL_free(desc);
219 return ret;
220}
221
222static void util_do_cmds(ENGINE *e, STACK_OF(OPENSSL_STRING) *cmds,
223 BIO *out, const char *indent)
224{
225 int loop, res, num = sk_OPENSSL_STRING_num(cmds);
226
227 if (num < 0) {
228 BIO_printf(out, "[Error]: internal stack error\n");
229 return;
230 }
231 for (loop = 0; loop < num; loop++) {
232 char buf[256];
233 const char *cmd, *arg;
234 cmd = sk_OPENSSL_STRING_value(cmds, loop);
235 res = 1; /* assume success */
236 /* Check if this command has no ":arg" */
237 if ((arg = strstr(cmd, ":")) == NULL) {
238 if (!ENGINE_ctrl_cmd_string(e, cmd, NULL, 0))
239 res = 0;
240 } else {
241 if ((int)(arg - cmd) > 254) {
242 BIO_printf(out, "[Error]: command name too long\n");
243 return;
244 }
245 memcpy(buf, cmd, (int)(arg - cmd));
246 buf[arg - cmd] = '\0';
247 arg++; /* Move past the ":" */
248 /* Call the command with the argument */
249 if (!ENGINE_ctrl_cmd_string(e, buf, arg, 0))
250 res = 0;
251 }
252 if (res)
253 BIO_printf(out, "[Success]: %s\n", cmd);
254 else {
255 BIO_printf(out, "[Failure]: %s\n", cmd);
256 ERR_print_errors(out);
257 }
258 }
259}
260
261int engine_main(int argc, char **argv)
262{
263 int ret = 1, i;
264 int verbose = 0, list_cap = 0, test_avail = 0, test_avail_noise = 0;
265 ENGINE *e;
266 STACK_OF(OPENSSL_CSTRING) *engines = sk_OPENSSL_CSTRING_new_null();
267 STACK_OF(OPENSSL_STRING) *pre_cmds = sk_OPENSSL_STRING_new_null();
268 STACK_OF(OPENSSL_STRING) *post_cmds = sk_OPENSSL_STRING_new_null();
269 BIO *out;
270 const char *indent = " ";
271 OPTION_CHOICE o;
272 char *prog;
273 char *argv1;
274
275 out = dup_bio_out(FORMAT_TEXT);
276 if (engines == NULL || pre_cmds == NULL || post_cmds == NULL)
277 goto end;
278
279 /* Remember the original command name, parse/skip any leading engine
280 * names, and then setup to parse the rest of the line as flags. */
281 prog = argv[0];
282 while ((argv1 = argv[1]) != NULL && *argv1 != '-') {
283 sk_OPENSSL_CSTRING_push(engines, argv1);
284 argc--;
285 argv++;
286 }
287 argv[0] = prog;
288 opt_init(argc, argv, engine_options);
289
290 while ((o = opt_next()) != OPT_EOF) {
291 switch (o) {
292 case OPT_EOF:
293 case OPT_ERR:
294 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
295 goto end;
296 case OPT_HELP:
297 opt_help(engine_options);
298 ret = 0;
299 goto end;
300 case OPT_VVVV:
301 case OPT_VVV:
302 case OPT_VV:
303 case OPT_V:
304 /* Convert to an integer from one to four. */
305 i = (int)(o - OPT_V) + 1;
306 if (verbose < i)
307 verbose = i;
308 break;
309 case OPT_C:
310 list_cap = 1;
311 break;
312 case OPT_TT:
313 test_avail_noise++;
314 case OPT_T:
315 test_avail++;
316 break;
317 case OPT_PRE:
318 sk_OPENSSL_STRING_push(pre_cmds, opt_arg());
319 break;
320 case OPT_POST:
321 sk_OPENSSL_STRING_push(post_cmds, opt_arg());
322 break;
323 }
324 }
325
326 /* Allow any trailing parameters as engine names. */
327 argc = opt_num_rest();
328 argv = opt_rest();
329 for ( ; *argv; argv++) {
330 if (**argv == '-') {
331 BIO_printf(bio_err, "%s: Cannot mix flags and engine names.\n",
332 prog);
333 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
334 goto end;
335 }
336 sk_OPENSSL_CSTRING_push(engines, *argv);
337 }
338
339 if (sk_OPENSSL_CSTRING_num(engines) == 0) {
340 for (e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) {
341 sk_OPENSSL_CSTRING_push(engines, ENGINE_get_id(e));
342 }
343 }
344
345 ret = 0;
346 for (i = 0; i < sk_OPENSSL_CSTRING_num(engines); i++) {
347 const char *id = sk_OPENSSL_CSTRING_value(engines, i);
348 if ((e = ENGINE_by_id(id)) != NULL) {
349 const char *name = ENGINE_get_name(e);
350 /*
351 * Do "id" first, then "name". Easier to auto-parse.
352 */
353 BIO_printf(out, "(%s) %s\n", id, name);
354 util_do_cmds(e, pre_cmds, out, indent);
355 if (strcmp(ENGINE_get_id(e), id) != 0) {
356 BIO_printf(out, "Loaded: (%s) %s\n",
357 ENGINE_get_id(e), ENGINE_get_name(e));
358 }
359 if (list_cap) {
360 int cap_size = 256;
361 char *cap_buf = NULL;
362 int k, n;
363 const int *nids;
364 ENGINE_CIPHERS_PTR fn_c;
365 ENGINE_DIGESTS_PTR fn_d;
366 ENGINE_PKEY_METHS_PTR fn_pk;
367
368 if (ENGINE_get_RSA(e) != NULL
369 && !append_buf(&cap_buf, &cap_size, "RSA"))
370 goto end;
371 if (ENGINE_get_DSA(e) != NULL
372 && !append_buf(&cap_buf, &cap_size, "DSA"))
373 goto end;
374 if (ENGINE_get_DH(e) != NULL
375 && !append_buf(&cap_buf, &cap_size, "DH"))
376 goto end;
377 if (ENGINE_get_RAND(e) != NULL
378 && !append_buf(&cap_buf, &cap_size, "RAND"))
379 goto end;
380
381 fn_c = ENGINE_get_ciphers(e);
382 if (!fn_c)
383 goto skip_ciphers;
384 n = fn_c(e, NULL, &nids, 0);
385 for (k = 0; k < n; ++k)
386 if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
387 goto end;
388
389 skip_ciphers:
390 fn_d = ENGINE_get_digests(e);
391 if (!fn_d)
392 goto skip_digests;
393 n = fn_d(e, NULL, &nids, 0);
394 for (k = 0; k < n; ++k)
395 if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
396 goto end;
397
398 skip_digests:
399 fn_pk = ENGINE_get_pkey_meths(e);
400 if (!fn_pk)
401 goto skip_pmeths;
402 n = fn_pk(e, NULL, &nids, 0);
403 for (k = 0; k < n; ++k)
404 if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
405 goto end;
406 skip_pmeths:
407 if (cap_buf && (*cap_buf != '\0'))
408 BIO_printf(out, " [%s]\n", cap_buf);
409
410 OPENSSL_free(cap_buf);
411 }
412 if (test_avail) {
413 BIO_printf(out, "%s", indent);
414 if (ENGINE_init(e)) {
415 BIO_printf(out, "[ available ]\n");
416 util_do_cmds(e, post_cmds, out, indent);
417 ENGINE_finish(e);
418 } else {
419 BIO_printf(out, "[ unavailable ]\n");
420 if (test_avail_noise)
421 ERR_print_errors_fp(stdout);
422 ERR_clear_error();
423 }
424 }
425 if ((verbose > 0) && !util_verbose(e, verbose, out, indent))
426 goto end;
427 ENGINE_free(e);
428 } else {
429 ERR_print_errors(bio_err);
430 /* because exit codes above 127 have special meaning on Unix */
431 if (++ret > 127)
432 ret = 127;
433 }
434 }
435
436 end:
437
438 ERR_print_errors(bio_err);
439 sk_OPENSSL_CSTRING_free(engines);
440 sk_OPENSSL_STRING_free(pre_cmds);
441 sk_OPENSSL_STRING_free(post_cmds);
442 BIO_free_all(out);
443 return (ret);
444}
445#endif
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