Annotation of src/usr.bin/openssl/openssl.c, Revision 1.15
1.15 ! deraadt 1: /* $OpenBSD: openssl.c,v 1.14 2015/10/07 05:21:41 deraadt Exp $ */
1.1 jsing 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young (eay@cryptsoft.com).
7: * The implementation was written so as to conform with Netscapes SSL.
8: *
9: * This library is free for commercial and non-commercial use as long as
10: * the following conditions are aheared to. The following conditions
11: * apply to all code found in this distribution, be it the RC4, RSA,
12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13: * included with this distribution is covered by the same copyright terms
14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15: *
16: * Copyright remains Eric Young's, and as such any Copyright notices in
17: * the code are not to be removed.
18: * If this package is used in a product, Eric Young should be given attribution
19: * as the author of the parts of the library used.
20: * This can be in the form of a textual message at program startup or
21: * in documentation (online or textual) provided with the package.
22: *
23: * Redistribution and use in source and binary forms, with or without
24: * modification, are permitted provided that the following conditions
25: * are met:
26: * 1. Redistributions of source code must retain the copyright
27: * notice, this list of conditions and the following disclaimer.
28: * 2. Redistributions in binary form must reproduce the above copyright
29: * notice, this list of conditions and the following disclaimer in the
30: * documentation and/or other materials provided with the distribution.
31: * 3. All advertising materials mentioning features or use of this software
32: * must display the following acknowledgement:
33: * "This product includes cryptographic software written by
34: * Eric Young (eay@cryptsoft.com)"
35: * The word 'cryptographic' can be left out if the rouines from the library
36: * being used are not cryptographic related :-).
37: * 4. If you include any Windows specific code (or a derivative thereof) from
38: * the apps directory (application code) you must include an acknowledgement:
39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40: *
41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51: * SUCH DAMAGE.
52: *
53: * The licence and distribution terms for any publically available version or
54: * derivative of this code cannot be changed. i.e. this code cannot simply be
55: * copied and put under another distribution licence
56: * [including the GNU Public Licence.]
57: */
58: /* ====================================================================
59: * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60: *
61: * Redistribution and use in source and binary forms, with or without
62: * modification, are permitted provided that the following conditions
63: * are met:
64: *
65: * 1. Redistributions of source code must retain the above copyright
66: * notice, this list of conditions and the following disclaimer.
67: *
68: * 2. Redistributions in binary form must reproduce the above copyright
69: * notice, this list of conditions and the following disclaimer in
70: * the documentation and/or other materials provided with the
71: * distribution.
72: *
73: * 3. All advertising materials mentioning features or use of this
74: * software must display the following acknowledgment:
75: * "This product includes software developed by the OpenSSL Project
76: * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77: *
78: * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79: * endorse or promote products derived from this software without
80: * prior written permission. For written permission, please contact
81: * openssl-core@openssl.org.
82: *
83: * 5. Products derived from this software may not be called "OpenSSL"
84: * nor may "OpenSSL" appear in their names without prior written
85: * permission of the OpenSSL Project.
86: *
87: * 6. Redistributions of any form whatsoever must retain the following
88: * acknowledgment:
89: * "This product includes software developed by the OpenSSL Project
90: * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91: *
92: * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103: * OF THE POSSIBILITY OF SUCH DAMAGE.
104: * ====================================================================
105: *
106: * This product includes cryptographic software written by Eric Young
107: * (eay@cryptsoft.com). This product includes software written by Tim
108: * Hudson (tjh@cryptsoft.com).
109: *
110: */
111:
112: #include <err.h>
113: #include <signal.h>
114: #include <stdio.h>
115: #include <string.h>
116: #include <stdlib.h>
1.14 deraadt 117: #include <unistd.h>
1.1 jsing 118:
119: #include "apps.h"
120:
121: #include <openssl/bio.h>
122: #include <openssl/conf.h>
123: #include <openssl/crypto.h>
124: #include <openssl/err.h>
125: #include <openssl/lhash.h>
126: #include <openssl/pem.h>
127: #include <openssl/ssl.h>
128: #include <openssl/x509.h>
129:
130: #include "progs.h"
131: #include "s_apps.h"
1.5 jsing 132:
133: #define FUNC_TYPE_GENERAL 1
134: #define FUNC_TYPE_MD 2
135: #define FUNC_TYPE_CIPHER 3
136: #define FUNC_TYPE_PKEY 4
137: #define FUNC_TYPE_MD_ALG 5
138: #define FUNC_TYPE_CIPHER_ALG 6
139:
140: typedef struct {
141: int type;
142: const char *name;
143: int (*func)(int argc, char **argv);
144: } FUNCTION;
145:
146: DECLARE_LHASH_OF(FUNCTION);
1.4 deraadt 147:
148: FUNCTION functions[] = {
149:
150: /* General functions. */
151: { FUNC_TYPE_GENERAL, "asn1parse", asn1parse_main },
152: { FUNC_TYPE_GENERAL, "ca", ca_main },
153: { FUNC_TYPE_GENERAL, "certhash", certhash_main },
154: { FUNC_TYPE_GENERAL, "ciphers", ciphers_main },
155: #ifndef OPENSSL_NO_CMS
156: { FUNC_TYPE_GENERAL, "cms", cms_main },
157: #endif
158: { FUNC_TYPE_GENERAL, "crl2pkcs7", crl2pkcs7_main },
159: { FUNC_TYPE_GENERAL, "crl", crl_main },
160: { FUNC_TYPE_GENERAL, "dgst", dgst_main },
161: { FUNC_TYPE_GENERAL, "enc", enc_main },
162: { FUNC_TYPE_GENERAL, "errstr", errstr_main },
163: { FUNC_TYPE_GENERAL, "genpkey", genpkey_main },
164: { FUNC_TYPE_GENERAL, "nseq", nseq_main },
165: #ifndef OPENSSL_NO_OCSP
166: { FUNC_TYPE_GENERAL, "ocsp", ocsp_main },
167: #endif
168: { FUNC_TYPE_GENERAL, "passwd", passwd_main },
169: { FUNC_TYPE_GENERAL, "pkcs7", pkcs7_main },
170: { FUNC_TYPE_GENERAL, "pkcs8", pkcs8_main },
171: #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)
172: { FUNC_TYPE_GENERAL, "pkcs12", pkcs12_main },
173: #endif
174: { FUNC_TYPE_GENERAL, "pkey", pkey_main },
175: { FUNC_TYPE_GENERAL, "pkeyparam", pkeyparam_main },
176: { FUNC_TYPE_GENERAL, "pkeyutl", pkeyutl_main },
177: { FUNC_TYPE_GENERAL, "prime", prime_main },
178: { FUNC_TYPE_GENERAL, "rand", rand_main },
179: { FUNC_TYPE_GENERAL, "req", req_main },
180: { FUNC_TYPE_GENERAL, "s_client", s_client_main },
181: { FUNC_TYPE_GENERAL, "s_server", s_server_main },
182: { FUNC_TYPE_GENERAL, "s_time", s_time_main },
183: { FUNC_TYPE_GENERAL, "sess_id", sess_id_main },
184: { FUNC_TYPE_GENERAL, "smime", smime_main },
185: #ifndef OPENSSL_NO_SPEED
186: { FUNC_TYPE_GENERAL, "speed", speed_main },
187: #endif
188: { FUNC_TYPE_GENERAL, "spkac", spkac_main },
189: { FUNC_TYPE_GENERAL, "ts", ts_main },
190: { FUNC_TYPE_GENERAL, "verify", verify_main },
191: { FUNC_TYPE_GENERAL, "version", version_main },
192: { FUNC_TYPE_GENERAL, "x509", x509_main },
193:
194: #ifndef OPENSSL_NO_DH
195: { FUNC_TYPE_GENERAL, "dh", dh_main },
196: { FUNC_TYPE_GENERAL, "dhparam", dhparam_main },
197: { FUNC_TYPE_GENERAL, "gendh", gendh_main },
198: #endif
199: #ifndef OPENSSL_NO_DSA
200: { FUNC_TYPE_GENERAL, "dsa", dsa_main },
201: { FUNC_TYPE_GENERAL, "dsaparam", dsaparam_main },
202: { FUNC_TYPE_GENERAL, "gendsa", gendsa_main },
203: #endif
204: #ifndef OPENSSL_NO_EC
205: { FUNC_TYPE_GENERAL, "ec", ec_main },
206: { FUNC_TYPE_GENERAL, "ecparam", ecparam_main },
207: #endif
208: #ifndef OPENSSL_NO_RSA
209: { FUNC_TYPE_GENERAL, "genrsa", genrsa_main },
210: { FUNC_TYPE_GENERAL, "rsa", rsa_main },
211: { FUNC_TYPE_GENERAL, "rsautl", rsautl_main },
212: #endif
213:
214: /* Message Digests. */
215: #ifndef OPENSSL_NO_GOST
216: { FUNC_TYPE_MD, "gost-mac", dgst_main },
217: { FUNC_TYPE_MD, "md_gost94", dgst_main },
218: { FUNC_TYPE_MD, "streebog256", dgst_main },
219: { FUNC_TYPE_MD, "streebog512", dgst_main },
1.12 doug 220: #endif
221: #ifndef OPENSSL_NO_MD4
222: { FUNC_TYPE_MD, "md4", dgst_main },
1.4 deraadt 223: #endif
224: #ifndef OPENSSL_NO_MD5
225: { FUNC_TYPE_MD, "md5", dgst_main },
226: #endif
227: #ifndef OPENSSL_NO_RIPEMD160
228: { FUNC_TYPE_MD, "ripemd160", dgst_main },
229: #endif
230: #ifndef OPENSSL_NO_SHA1
231: { FUNC_TYPE_MD, "sha1", dgst_main },
232: #endif
233: #ifndef OPENSSL_NO_SHA224
234: { FUNC_TYPE_MD, "sha224", dgst_main },
235: #endif
236: #ifndef OPENSSL_NO_SHA256
237: { FUNC_TYPE_MD, "sha256", dgst_main },
238: #endif
239: #ifndef OPENSSL_NO_SHA384
240: { FUNC_TYPE_MD, "sha384", dgst_main },
241: #endif
242: #ifndef OPENSSL_NO_SHA512
243: { FUNC_TYPE_MD, "sha512", dgst_main },
244: #endif
245: #ifndef OPENSSL_NO_WHIRLPOOL
246: { FUNC_TYPE_MD, "whirlpool", dgst_main },
247: #endif
248:
249: /* Ciphers. */
250: { FUNC_TYPE_CIPHER, "base64", enc_main },
251: #ifndef OPENSSL_NO_AES
252: { FUNC_TYPE_CIPHER, "aes-128-cbc", enc_main },
253: { FUNC_TYPE_CIPHER, "aes-128-ecb", enc_main },
254: { FUNC_TYPE_CIPHER, "aes-192-cbc", enc_main },
255: { FUNC_TYPE_CIPHER, "aes-192-ecb", enc_main },
256: { FUNC_TYPE_CIPHER, "aes-256-cbc", enc_main },
257: { FUNC_TYPE_CIPHER, "aes-256-ecb", enc_main },
258: #endif
259: #ifndef OPENSSL_NO_BF
260: { FUNC_TYPE_CIPHER, "bf", enc_main },
261: { FUNC_TYPE_CIPHER, "bf-cbc", enc_main },
262: { FUNC_TYPE_CIPHER, "bf-ecb", enc_main },
263: { FUNC_TYPE_CIPHER, "bf-cfb", enc_main },
264: { FUNC_TYPE_CIPHER, "bf-ofb", enc_main },
265: #endif
266: #ifndef OPENSSL_NO_CAMELLIA
267: { FUNC_TYPE_CIPHER, "camellia-128-cbc", enc_main },
268: { FUNC_TYPE_CIPHER, "camellia-128-ecb", enc_main },
269: { FUNC_TYPE_CIPHER, "camellia-192-cbc", enc_main },
270: { FUNC_TYPE_CIPHER, "camellia-192-ecb", enc_main },
271: { FUNC_TYPE_CIPHER, "camellia-256-cbc", enc_main },
272: { FUNC_TYPE_CIPHER, "camellia-256-ecb", enc_main },
273: #endif
274: #ifndef OPENSSL_NO_CAST
275: { FUNC_TYPE_CIPHER, "cast", enc_main },
276: { FUNC_TYPE_CIPHER, "cast5-cbc", enc_main },
277: { FUNC_TYPE_CIPHER, "cast5-ecb", enc_main },
278: { FUNC_TYPE_CIPHER, "cast5-cfb", enc_main },
279: { FUNC_TYPE_CIPHER, "cast5-ofb", enc_main },
280: { FUNC_TYPE_CIPHER, "cast-cbc", enc_main },
281: #endif
282: #ifndef OPENSSL_NO_CHACHA
283: { FUNC_TYPE_CIPHER, "chacha", enc_main },
284: #endif
285: #ifndef OPENSSL_NO_DES
286: { FUNC_TYPE_CIPHER, "des", enc_main },
287: { FUNC_TYPE_CIPHER, "des3", enc_main },
288: { FUNC_TYPE_CIPHER, "desx", enc_main },
289: { FUNC_TYPE_CIPHER, "des-ecb", enc_main },
290: { FUNC_TYPE_CIPHER, "des-ede", enc_main },
291: { FUNC_TYPE_CIPHER, "des-ede3", enc_main },
292: { FUNC_TYPE_CIPHER, "des-cbc", enc_main },
293: { FUNC_TYPE_CIPHER, "des-ede-cbc", enc_main },
294: { FUNC_TYPE_CIPHER, "des-ede3-cbc", enc_main },
295: { FUNC_TYPE_CIPHER, "des-cfb", enc_main },
296: { FUNC_TYPE_CIPHER, "des-ede-cfb", enc_main },
297: { FUNC_TYPE_CIPHER, "des-ede3-cfb", enc_main },
298: { FUNC_TYPE_CIPHER, "des-ofb", enc_main },
299: { FUNC_TYPE_CIPHER, "des-ede-ofb", enc_main },
300: { FUNC_TYPE_CIPHER, "des-ede3-ofb", enc_main },
301: #endif
302: #ifndef OPENSSL_NO_IDEA
303: { FUNC_TYPE_CIPHER, "idea", enc_main },
304: { FUNC_TYPE_CIPHER, "idea-cbc", enc_main },
305: { FUNC_TYPE_CIPHER, "idea-ecb", enc_main },
306: { FUNC_TYPE_CIPHER, "idea-cfb", enc_main },
307: { FUNC_TYPE_CIPHER, "idea-ofb", enc_main },
308: #endif
309: #ifndef OPENSSL_NO_RC2
310: { FUNC_TYPE_CIPHER, "rc2", enc_main },
311: { FUNC_TYPE_CIPHER, "rc2-cbc", enc_main },
312: { FUNC_TYPE_CIPHER, "rc2-ecb", enc_main },
313: { FUNC_TYPE_CIPHER, "rc2-cfb", enc_main },
314: { FUNC_TYPE_CIPHER, "rc2-ofb", enc_main },
315: { FUNC_TYPE_CIPHER, "rc2-64-cbc", enc_main },
316: { FUNC_TYPE_CIPHER, "rc2-40-cbc", enc_main },
317: #endif
318: #ifndef OPENSSL_NO_RC4
319: { FUNC_TYPE_CIPHER, "rc4", enc_main },
320: { FUNC_TYPE_CIPHER, "rc4-40", enc_main },
321: #endif
322: #ifdef ZLIB
323: { FUNC_TYPE_CIPHER, "zlib", enc_main },
324: #endif
325:
326: { 0, NULL, NULL }
327: };
1.1 jsing 328:
329: static void openssl_startup(void);
330: static void openssl_shutdown(void);
331:
332: /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
333: * base prototypes (we cast each variable inside the function to the required
334: * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
335: * functions. */
336:
337: static LHASH_OF(FUNCTION) *prog_init(void);
338: static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
339: static void list_pkey(BIO * out);
340: static void list_cipher(BIO * out);
341: static void list_md(BIO * out);
342: char *default_config_file = NULL;
343:
344: CONF *config = NULL;
345: BIO *bio_err = NULL;
346:
347: static void
348: lock_dbg_cb(int mode, int type, const char *file, int line)
349: {
350: static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
351: const char *errstr = NULL;
352: int rw;
353:
354: rw = mode & (CRYPTO_READ | CRYPTO_WRITE);
355: if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) {
356: errstr = "invalid mode";
357: goto err;
358: }
359: if (type < 0 || type >= CRYPTO_NUM_LOCKS) {
360: errstr = "type out of bounds";
361: goto err;
362: }
363: if (mode & CRYPTO_LOCK) {
364: if (modes[type]) {
365: errstr = "already locked";
366: /*
367: * must not happen in a single-threaded program
368: * (would deadlock)
369: */
370: goto err;
371: }
372: modes[type] = rw;
373: } else if (mode & CRYPTO_UNLOCK) {
374: if (!modes[type]) {
375: errstr = "not locked";
376: goto err;
377: }
378: if (modes[type] != rw) {
379: errstr = (rw == CRYPTO_READ) ?
380: "CRYPTO_r_unlock on write lock" :
381: "CRYPTO_w_unlock on read lock";
382: }
383: modes[type] = 0;
384: } else {
385: errstr = "invalid mode";
386: goto err;
387: }
388:
389: err:
390: if (errstr) {
391: /* we cannot use bio_err here */
392: fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
393: errstr, mode, type, file, line);
394: }
395: }
396:
397: static void
398: openssl_startup(void)
399: {
400: signal(SIGPIPE, SIG_IGN);
401:
402: OpenSSL_add_all_algorithms();
403: SSL_library_init();
404: SSL_load_error_strings();
405:
1.10 bcook 406: setup_ui();
1.1 jsing 407: }
408:
409: static void
410: openssl_shutdown(void)
411: {
412: CONF_modules_unload(1);
1.10 bcook 413: destroy_ui();
1.1 jsing 414: OBJ_cleanup();
415: EVP_cleanup();
416: CRYPTO_cleanup_all_ex_data();
417: ERR_remove_thread_state(NULL);
418: ERR_free_strings();
419: }
420:
421: int
422: main(int argc, char **argv)
423: {
424: ARGS arg;
425: #define PROG_NAME_SIZE 39
426: char pname[PROG_NAME_SIZE + 1];
427: FUNCTION f, *fp;
428: const char *prompt;
429: char buf[1024];
430: char *to_free = NULL;
431: int n, i, ret = 0;
432: char *p;
433: LHASH_OF(FUNCTION) * prog = NULL;
434: long errline;
435:
436: arg.data = NULL;
437: arg.count = 0;
1.14 deraadt 438:
1.15 ! deraadt 439: if (pledge("stdio inet rpath cpath wpath proc", NULL) == -1) {
! 440: fprintf(stderr, "openssl: pledge: %s\n", strerror(errno));
1.14 deraadt 441: exit(1);
442: }
1.1 jsing 443:
444: bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
445: if (bio_err == NULL) {
446: fprintf(stderr, "openssl: failed to initialise bio_err\n");
1.3 bcook 447: exit(1);
448: }
449:
450: if (BIO_sock_init() != 1) {
451: BIO_printf(bio_err, "BIO_sock_init failed\n");
1.1 jsing 452: exit(1);
453: }
454:
455: CRYPTO_set_locking_callback(lock_dbg_cb);
456:
457: openssl_startup();
458:
459: /* Lets load up our environment a little */
460: p = getenv("OPENSSL_CONF");
461: if (p == NULL) {
462: p = to_free = make_config_name();
463: if (p == NULL) {
464: BIO_printf(bio_err, "error making config file name\n");
465: goto end;
466: }
467: }
468:
469: default_config_file = p;
470:
471: config = NCONF_new(NULL);
472: i = NCONF_load(config, p, &errline);
473: if (i == 0) {
474: if (ERR_GET_REASON(ERR_peek_last_error()) ==
475: CONF_R_NO_SUCH_FILE) {
476: BIO_printf(bio_err,
477: "WARNING: can't open config file: %s\n", p);
478: ERR_clear_error();
479: NCONF_free(config);
480: config = NULL;
481: } else {
482: ERR_print_errors(bio_err);
483: NCONF_free(config);
484: exit(1);
485: }
486: }
487:
488: if (!load_config(bio_err, NULL)) {
489: BIO_printf(bio_err, "failed to load configuration\n");
490: goto end;
491: }
492:
493: prog = prog_init();
494:
495: /* first check the program name */
496: program_name(argv[0], pname, sizeof pname);
497:
498: f.name = pname;
499: fp = lh_FUNCTION_retrieve(prog, &f);
500: if (fp != NULL) {
501: argv[0] = pname;
502: ret = fp->func(argc, argv);
503: goto end;
504: }
505: /*
506: * ok, now check that there are not arguments, if there are, run with
507: * them, shifting the ssleay off the front
508: */
509: if (argc != 1) {
510: argc--;
511: argv++;
512: ret = do_cmd(prog, argc, argv);
513: if (ret < 0)
514: ret = 0;
515: goto end;
516: }
517: /* ok, lets enter the old 'OpenSSL>' mode */
518:
519: for (;;) {
520: ret = 0;
521: p = buf;
522: n = sizeof buf;
523: i = 0;
524: for (;;) {
525: p[0] = '\0';
526: if (i++)
527: prompt = ">";
528: else
529: prompt = "OpenSSL> ";
530: fputs(prompt, stdout);
531: fflush(stdout);
532: if (!fgets(p, n, stdin))
533: goto end;
534: if (p[0] == '\0')
535: goto end;
536: i = strlen(p);
537: if (i <= 1)
538: break;
539: if (p[i - 2] != '\\')
540: break;
541: i -= 2;
542: p += i;
543: n -= i;
544: }
545: if (!chopup_args(&arg, buf, &argc, &argv))
546: break;
547:
548: ret = do_cmd(prog, argc, argv);
549: if (ret < 0) {
550: ret = 0;
551: goto end;
552: }
553: if (ret != 0)
554: BIO_printf(bio_err, "error in %s\n", argv[0]);
555: (void) BIO_flush(bio_err);
556: }
557: BIO_printf(bio_err, "bad exit\n");
558: ret = 1;
559:
560: end:
561: free(to_free);
562:
563: if (config != NULL) {
564: NCONF_free(config);
565: config = NULL;
566: }
567: if (prog != NULL)
568: lh_FUNCTION_free(prog);
569: free(arg.data);
570:
571: openssl_shutdown();
572:
573: if (bio_err != NULL) {
574: BIO_free(bio_err);
575: bio_err = NULL;
576: }
577: return (ret);
578: }
579:
580: #define LIST_STANDARD_COMMANDS "list-standard-commands"
581: #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
582: #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
583: #define LIST_CIPHER_COMMANDS "list-cipher-commands"
584: #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
585: #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
586:
587:
588: static int
589: do_cmd(LHASH_OF(FUNCTION) * prog, int argc, char *argv[])
590: {
591: FUNCTION f, *fp;
592: int i, ret = 1, tp, nl;
593:
594: if ((argc <= 0) || (argv[0] == NULL)) {
595: ret = 0;
596: goto end;
597: }
598: f.name = argv[0];
599: fp = lh_FUNCTION_retrieve(prog, &f);
600: if (fp == NULL) {
601: if (EVP_get_digestbyname(argv[0])) {
602: f.type = FUNC_TYPE_MD;
603: f.func = dgst_main;
604: fp = &f;
605: } else if (EVP_get_cipherbyname(argv[0])) {
606: f.type = FUNC_TYPE_CIPHER;
607: f.func = enc_main;
608: fp = &f;
609: }
610: }
611: if (fp != NULL) {
612: ret = fp->func(argc, argv);
613: } else if ((strncmp(argv[0], "no-", 3)) == 0) {
614: BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
615: f.name = argv[0] + 3;
616: ret = (lh_FUNCTION_retrieve(prog, &f) != NULL);
617: if (!ret)
618: BIO_printf(bio_stdout, "%s\n", argv[0]);
619: else
620: BIO_printf(bio_stdout, "%s\n", argv[0] + 3);
621: BIO_free_all(bio_stdout);
622: goto end;
623: } else if ((strcmp(argv[0], "quit") == 0) ||
624: (strcmp(argv[0], "q") == 0) ||
625: (strcmp(argv[0], "exit") == 0) ||
626: (strcmp(argv[0], "bye") == 0)) {
627: ret = -1;
628: goto end;
629: } else if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) ||
630: (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
631: (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
632: (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0) ||
633: (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0) ||
634: (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)) {
635: int list_type;
636: BIO *bio_stdout;
637:
638: if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0)
639: list_type = FUNC_TYPE_GENERAL;
640: else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0)
641: list_type = FUNC_TYPE_MD;
642: else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
643: list_type = FUNC_TYPE_MD_ALG;
644: else if (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)
645: list_type = FUNC_TYPE_PKEY;
646: else if (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0)
647: list_type = FUNC_TYPE_CIPHER_ALG;
648: else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
649: list_type = FUNC_TYPE_CIPHER;
650: bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
651:
652: if (list_type == FUNC_TYPE_PKEY)
653: list_pkey(bio_stdout);
654: if (list_type == FUNC_TYPE_MD_ALG)
655: list_md(bio_stdout);
656: if (list_type == FUNC_TYPE_CIPHER_ALG)
657: list_cipher(bio_stdout);
658: else {
659: for (fp = functions; fp->name != NULL; fp++)
660: if (fp->type == list_type)
661: BIO_printf(bio_stdout, "%s\n",
662: fp->name);
663: }
664: BIO_free_all(bio_stdout);
665: ret = 0;
666: goto end;
667: } else {
668: BIO_printf(bio_err,
669: "openssl:Error: '%s' is an invalid command.\n",
670: argv[0]);
671: BIO_printf(bio_err, "\nStandard commands");
672: i = 0;
673: tp = 0;
674: for (fp = functions; fp->name != NULL; fp++) {
675: nl = 0;
676: #ifdef OPENSSL_NO_CAMELLIA
677: if (((i++) % 5) == 0)
678: #else
679: if (((i++) % 4) == 0)
680: #endif
681: {
682: BIO_printf(bio_err, "\n");
683: nl = 1;
684: }
685: if (fp->type != tp) {
686: tp = fp->type;
687: if (!nl)
688: BIO_printf(bio_err, "\n");
689: if (tp == FUNC_TYPE_MD) {
690: i = 1;
691: BIO_printf(bio_err,
692: "\nMessage Digest commands (see the `dgst' command for more details)\n");
693: } else if (tp == FUNC_TYPE_CIPHER) {
694: i = 1;
695: BIO_printf(bio_err, "\nCipher commands (see the `enc' command for more details)\n");
696: }
697: }
698: #ifdef OPENSSL_NO_CAMELLIA
699: BIO_printf(bio_err, "%-15s", fp->name);
700: #else
701: BIO_printf(bio_err, "%-18s", fp->name);
702: #endif
703: }
704: BIO_printf(bio_err, "\n\n");
705: ret = 0;
706: }
707: end:
708: return (ret);
709: }
710:
711: static int
712: SortFnByName(const void *_f1, const void *_f2)
713: {
714: const FUNCTION *f1 = _f1;
715: const FUNCTION *f2 = _f2;
716:
717: if (f1->type != f2->type)
718: return f1->type - f2->type;
719: return strcmp(f1->name, f2->name);
720: }
721:
722: static void
723: list_pkey(BIO * out)
724: {
725: int i;
726:
727: for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
728: const EVP_PKEY_ASN1_METHOD *ameth;
729: int pkey_id, pkey_base_id, pkey_flags;
730: const char *pinfo, *pem_str;
731: ameth = EVP_PKEY_asn1_get0(i);
732: EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
733: &pinfo, &pem_str, ameth);
734: if (pkey_flags & ASN1_PKEY_ALIAS) {
735: BIO_printf(out, "Name: %s\n",
736: OBJ_nid2ln(pkey_id));
737: BIO_printf(out, "\tType: Alias to %s\n",
738: OBJ_nid2ln(pkey_base_id));
739: } else {
740: BIO_printf(out, "Name: %s\n", pinfo);
741: BIO_printf(out, "\tType: %s Algorithm\n",
742: pkey_flags & ASN1_PKEY_DYNAMIC ?
743: "External" : "Builtin");
744: BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
745: if (pem_str == NULL)
746: pem_str = "(none)";
747: BIO_printf(out, "\tPEM string: %s\n", pem_str);
748: }
749:
750: }
751: }
752:
753: static void
754: list_cipher_fn(const EVP_CIPHER * c, const char *from, const char *to,
755: void *arg)
756: {
757: if (c)
758: BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
759: else {
760: if (!from)
761: from = "<undefined>";
762: if (!to)
763: to = "<undefined>";
764: BIO_printf(arg, "%s => %s\n", from, to);
765: }
766: }
767:
768: static void
769: list_cipher(BIO * out)
770: {
771: EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
772: }
773:
774: static void
775: list_md_fn(const EVP_MD * m, const char *from, const char *to, void *arg)
776: {
777: if (m)
778: BIO_printf(arg, "%s\n", EVP_MD_name(m));
779: else {
780: if (!from)
781: from = "<undefined>";
782: if (!to)
783: to = "<undefined>";
784: BIO_printf(arg, "%s => %s\n", from, to);
785: }
786: }
787:
788: static void
789: list_md(BIO * out)
790: {
791: EVP_MD_do_all_sorted(list_md_fn, out);
792: }
793:
794: static int
795: function_cmp(const FUNCTION * a, const FUNCTION * b)
796: {
797: return strncmp(a->name, b->name, 8);
798: }
799:
800: static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
801:
802: static unsigned long
803: function_hash(const FUNCTION * a)
804: {
805: return lh_strhash(a->name);
806: }
807:
808: static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
809:
810: static LHASH_OF(FUNCTION) *
811: prog_init(void)
812: {
813: LHASH_OF(FUNCTION) * ret;
814: FUNCTION *f;
815: size_t i;
816:
817: /* Purely so it looks nice when the user hits ? */
818: for (i = 0, f = functions; f->name != NULL; ++f, ++i)
819: ;
820: qsort(functions, i, sizeof *functions, SortFnByName);
821:
822: if ((ret = lh_FUNCTION_new()) == NULL)
823: return (NULL);
824:
825: for (f = functions; f->name != NULL; f++)
826: (void) lh_FUNCTION_insert(ret, f);
827: return (ret);
828: }
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