xref: /freebsd/crypto/openssl/apps/openssl.c (revision b2d48be1bc7df45ddd13b143a160d0acb5a383c5)
1 /* apps/openssl.c */
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 <stdio.h>
113 #include <string.h>
114 #include <stdlib.h>
115 #define OPENSSL_C               /* tells apps.h to use complete
116                                  * apps_startup() */
117 #include "apps.h"
118 #include <openssl/bio.h>
119 #include <openssl/crypto.h>
120 #include <openssl/rand.h>
121 #include <openssl/lhash.h>
122 #include <openssl/conf.h>
123 #include <openssl/x509.h>
124 #include <openssl/pem.h>
125 #include <openssl/ssl.h>
126 #ifndef OPENSSL_NO_ENGINE
127 # include <openssl/engine.h>
128 #endif
129 #define USE_SOCKETS             /* needed for the _O_BINARY defs in the MS
130                                  * world */
131 #include "progs.h"
132 #include "s_apps.h"
133 #include <openssl/err.h>
134 #ifdef OPENSSL_FIPS
135 # include <openssl/fips.h>
136 #endif
137 
138 /*
139  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
140  * the base prototypes (we cast each variable inside the function to the
141  * required type of "FUNCTION*"). This removes the necessity for
142  * macro-generated wrapper functions.
143  */
144 
145 static LHASH_OF(FUNCTION) *prog_init(void);
146 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
147 static void list_pkey(BIO *out);
148 static void list_cipher(BIO *out);
149 static void list_md(BIO *out);
150 char *default_config_file = NULL;
151 
152 /* Make sure there is only one when MONOLITH is defined */
153 #ifdef MONOLITH
154 CONF *config = NULL;
155 BIO *bio_err = NULL;
156 #endif
157 
158 static void lock_dbg_cb(int mode, int type, const char *file, int line)
159 {
160     static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
161     const char *errstr = NULL;
162     int rw;
163 
164     rw = mode & (CRYPTO_READ | CRYPTO_WRITE);
165     if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) {
166         errstr = "invalid mode";
167         goto err;
168     }
169 
170     if (type < 0 || type >= CRYPTO_NUM_LOCKS) {
171         errstr = "type out of bounds";
172         goto err;
173     }
174 
175     if (mode & CRYPTO_LOCK) {
176         if (modes[type]) {
177             errstr = "already locked";
178             /*
179              * must not happen in a single-threaded program (would deadlock)
180              */
181             goto err;
182         }
183 
184         modes[type] = rw;
185     } else if (mode & CRYPTO_UNLOCK) {
186         if (!modes[type]) {
187             errstr = "not locked";
188             goto err;
189         }
190 
191         if (modes[type] != rw) {
192             errstr = (rw == CRYPTO_READ) ?
193                 "CRYPTO_r_unlock on write lock" :
194                 "CRYPTO_w_unlock on read lock";
195         }
196 
197         modes[type] = 0;
198     } else {
199         errstr = "invalid mode";
200         goto err;
201     }
202 
203  err:
204     if (errstr) {
205         /* we cannot use bio_err here */
206         fprintf(stderr,
207                 "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
208                 errstr, mode, type, file, line);
209     }
210 }
211 
212 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
213 # define ARGV _Argv
214 #else
215 # define ARGV Argv
216 #endif
217 
218 int main(int Argc, char *ARGV[])
219 {
220     ARGS arg;
221 #define PROG_NAME_SIZE  39
222     char pname[PROG_NAME_SIZE + 1];
223     FUNCTION f, *fp;
224     MS_STATIC const char *prompt;
225     MS_STATIC char buf[1024];
226     char *to_free = NULL;
227     int n, i, ret = 0;
228     int argc;
229     char **argv, *p;
230     LHASH_OF(FUNCTION) *prog = NULL;
231     long errline;
232 
233 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
234     /*-
235      * 2011-03-22 SMS.
236      * If we have 32-bit pointers everywhere, then we're safe, and
237      * we bypass this mess, as on non-VMS systems.  (See ARGV,
238      * above.)
239      * Problem 1: Compaq/HP C before V7.3 always used 32-bit
240      * pointers for argv[].
241      * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers
242      * everywhere else, we always allocate and use a 64-bit
243      * duplicate of argv[].
244      * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed
245      * to NULL-terminate a 64-bit argv[].  (As this was written, the
246      * compiler ECO was available only on IA64.)
247      * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a
248      * 64-bit argv[argc] for NULL, and, if necessary, use a
249      * (properly) NULL-terminated (64-bit) duplicate of argv[].
250      * The same code is used in either case to duplicate argv[].
251      * Some of these decisions could be handled in preprocessing,
252      * but the code tends to get even uglier, and the penalty for
253      * deciding at compile- or run-time is tiny.
254      */
255     char **Argv = NULL;
256     int free_Argv = 0;
257 
258     if ((sizeof(_Argv) < 8)     /* 32-bit argv[]. */
259 # if !defined( VMS_TRUST_ARGV)
260         || (_Argv[Argc] != NULL) /* Untrusted argv[argc] not NULL. */
261 # endif
262         ) {
263         int i;
264         Argv = OPENSSL_malloc((Argc + 1) * sizeof(char *));
265         if (Argv == NULL) {
266             ret = -1;
267             goto end;
268         }
269         for (i = 0; i < Argc; i++)
270             Argv[i] = _Argv[i];
271         Argv[Argc] = NULL;      /* Certain NULL termination. */
272         free_Argv = 1;
273     } else {
274         /*
275          * Use the known-good 32-bit argv[] (which needs the type cast to
276          * satisfy the compiler), or the trusted or tested-good 64-bit argv[]
277          * as-is.
278          */
279         Argv = (char **)_Argv;
280     }
281 #endif                          /* defined( OPENSSL_SYS_VMS) &&
282                                  * (__INITIAL_POINTER_SIZE == 64) */
283 
284     arg.data = NULL;
285     arg.count = 0;
286 
287     if (bio_err == NULL)
288         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
289             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
290 
291     if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) { /* if not defined, use
292                                                    * compiled-in library
293                                                    * defaults */
294         if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))) {
295             CRYPTO_malloc_debug_init();
296             CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
297         } else {
298             /* OPENSSL_DEBUG_MEMORY=off */
299             CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
300         }
301     }
302     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
303 
304 #if 0
305     if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
306 #endif
307     {
308         CRYPTO_set_locking_callback(lock_dbg_cb);
309     }
310 
311     if (getenv("OPENSSL_FIPS")) {
312 #ifdef OPENSSL_FIPS
313         if (!FIPS_mode_set(1)) {
314             ERR_load_crypto_strings();
315             ERR_print_errors(BIO_new_fp(stderr, BIO_NOCLOSE));
316             EXIT(1);
317         }
318 #else
319         fprintf(stderr, "FIPS mode not supported.\n");
320         EXIT(1);
321 #endif
322     }
323 
324     apps_startup();
325 
326     /* Lets load up our environment a little */
327     p = getenv("OPENSSL_CONF");
328     if (p == NULL)
329         p = getenv("SSLEAY_CONF");
330     if (p == NULL)
331         p = to_free = make_config_name();
332 
333     default_config_file = p;
334 
335     config = NCONF_new(NULL);
336     i = NCONF_load(config, p, &errline);
337     if (i == 0) {
338         if (ERR_GET_REASON(ERR_peek_last_error())
339             == CONF_R_NO_SUCH_FILE) {
340             BIO_printf(bio_err, "WARNING: can't open config file: %s\n", p);
341             ERR_clear_error();
342             NCONF_free(config);
343             config = NULL;
344         } else {
345             ERR_print_errors(bio_err);
346             NCONF_free(config);
347             exit(1);
348         }
349     }
350 
351     prog = prog_init();
352 
353     /* first check the program name */
354     program_name(Argv[0], pname, sizeof pname);
355 
356     f.name = pname;
357     fp = lh_FUNCTION_retrieve(prog, &f);
358     if (fp != NULL) {
359         Argv[0] = pname;
360         ret = fp->func(Argc, Argv);
361         goto end;
362     }
363 
364     /*
365      * ok, now check that there are not arguments, if there are, run with
366      * them, shifting the ssleay off the front
367      */
368     if (Argc != 1) {
369         Argc--;
370         Argv++;
371         ret = do_cmd(prog, Argc, Argv);
372         if (ret < 0)
373             ret = 0;
374         goto end;
375     }
376 
377     /* ok, lets enter the old 'OpenSSL>' mode */
378 
379     for (;;) {
380         ret = 0;
381         p = buf;
382         n = sizeof buf;
383         i = 0;
384         for (;;) {
385             p[0] = '\0';
386             if (i++)
387                 prompt = ">";
388             else
389                 prompt = "OpenSSL> ";
390             fputs(prompt, stdout);
391             fflush(stdout);
392             if (!fgets(p, n, stdin))
393                 goto end;
394             if (p[0] == '\0')
395                 goto end;
396             i = strlen(p);
397             if (i <= 1)
398                 break;
399             if (p[i - 2] != '\\')
400                 break;
401             i -= 2;
402             p += i;
403             n -= i;
404         }
405         if (!chopup_args(&arg, buf, &argc, &argv))
406             break;
407 
408         ret = do_cmd(prog, argc, argv);
409         if (ret < 0) {
410             ret = 0;
411             goto end;
412         }
413         if (ret != 0)
414             BIO_printf(bio_err, "error in %s\n", argv[0]);
415         (void)BIO_flush(bio_err);
416     }
417     BIO_printf(bio_err, "bad exit\n");
418     ret = 1;
419  end:
420     if (to_free)
421         OPENSSL_free(to_free);
422     if (config != NULL) {
423         NCONF_free(config);
424         config = NULL;
425     }
426     if (prog != NULL)
427         lh_FUNCTION_free(prog);
428     if (arg.data != NULL)
429         OPENSSL_free(arg.data);
430 
431 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
432     /* Free any duplicate Argv[] storage. */
433     if (free_Argv) {
434         OPENSSL_free(Argv);
435     }
436 #endif
437     apps_shutdown();
438     CRYPTO_mem_leaks(bio_err);
439     if (bio_err != NULL) {
440         BIO_free(bio_err);
441         bio_err = NULL;
442     }
443 
444     OPENSSL_EXIT(ret);
445 }
446 
447 #define LIST_STANDARD_COMMANDS "list-standard-commands"
448 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
449 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
450 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
451 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
452 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
453 
454 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
455 {
456     FUNCTION f, *fp;
457     int i, ret = 1, tp, nl;
458 
459     if ((argc <= 0) || (argv[0] == NULL)) {
460         ret = 0;
461         goto end;
462     }
463     f.name = argv[0];
464     fp = lh_FUNCTION_retrieve(prog, &f);
465     if (fp == NULL) {
466         if (EVP_get_digestbyname(argv[0])) {
467             f.type = FUNC_TYPE_MD;
468             f.func = dgst_main;
469             fp = &f;
470         } else if (EVP_get_cipherbyname(argv[0])) {
471             f.type = FUNC_TYPE_CIPHER;
472             f.func = enc_main;
473             fp = &f;
474         }
475     }
476     if (fp != NULL) {
477         ret = fp->func(argc, argv);
478     } else if ((strncmp(argv[0], "no-", 3)) == 0) {
479         BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
480 #ifdef OPENSSL_SYS_VMS
481         {
482             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
483             bio_stdout = BIO_push(tmpbio, bio_stdout);
484         }
485 #endif
486         f.name = argv[0] + 3;
487         ret = (lh_FUNCTION_retrieve(prog, &f) != NULL);
488         if (!ret)
489             BIO_printf(bio_stdout, "%s\n", argv[0]);
490         else
491             BIO_printf(bio_stdout, "%s\n", argv[0] + 3);
492         BIO_free_all(bio_stdout);
493         goto end;
494     } else if ((strcmp(argv[0], "quit") == 0) ||
495                (strcmp(argv[0], "q") == 0) ||
496                (strcmp(argv[0], "exit") == 0) ||
497                (strcmp(argv[0], "bye") == 0)) {
498         ret = -1;
499         goto end;
500     } else if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) ||
501                (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
502                (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
503                (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0) ||
504                (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0) ||
505                (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)) {
506         int list_type;
507         BIO *bio_stdout;
508 
509         if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0)
510             list_type = FUNC_TYPE_GENERAL;
511         else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0)
512             list_type = FUNC_TYPE_MD;
513         else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
514             list_type = FUNC_TYPE_MD_ALG;
515         else if (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)
516             list_type = FUNC_TYPE_PKEY;
517         else if (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0)
518             list_type = FUNC_TYPE_CIPHER_ALG;
519         else                    /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
520             list_type = FUNC_TYPE_CIPHER;
521         bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
522 #ifdef OPENSSL_SYS_VMS
523         {
524             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
525             bio_stdout = BIO_push(tmpbio, bio_stdout);
526         }
527 #endif
528 
529         if (!load_config(bio_err, NULL))
530             goto end;
531 
532         if (list_type == FUNC_TYPE_PKEY)
533             list_pkey(bio_stdout);
534         if (list_type == FUNC_TYPE_MD_ALG)
535             list_md(bio_stdout);
536         if (list_type == FUNC_TYPE_CIPHER_ALG)
537             list_cipher(bio_stdout);
538         else {
539             for (fp = functions; fp->name != NULL; fp++)
540                 if (fp->type == list_type)
541                     BIO_printf(bio_stdout, "%s\n", fp->name);
542         }
543         BIO_free_all(bio_stdout);
544         ret = 0;
545         goto end;
546     } else {
547         BIO_printf(bio_err, "openssl:Error: '%s' is an invalid command.\n",
548                    argv[0]);
549         BIO_printf(bio_err, "\nStandard commands");
550         i = 0;
551         tp = 0;
552         for (fp = functions; fp->name != NULL; fp++) {
553             nl = 0;
554 #ifdef OPENSSL_NO_CAMELLIA
555             if (((i++) % 5) == 0)
556 #else
557             if (((i++) % 4) == 0)
558 #endif
559             {
560                 BIO_printf(bio_err, "\n");
561                 nl = 1;
562             }
563             if (fp->type != tp) {
564                 tp = fp->type;
565                 if (!nl)
566                     BIO_printf(bio_err, "\n");
567                 if (tp == FUNC_TYPE_MD) {
568                     i = 1;
569                     BIO_printf(bio_err,
570                                "\nMessage Digest commands (see the `dgst' command for more details)\n");
571                 } else if (tp == FUNC_TYPE_CIPHER) {
572                     i = 1;
573                     BIO_printf(bio_err,
574                                "\nCipher commands (see the `enc' command for more details)\n");
575                 }
576             }
577 #ifdef OPENSSL_NO_CAMELLIA
578             BIO_printf(bio_err, "%-15s", fp->name);
579 #else
580             BIO_printf(bio_err, "%-18s", fp->name);
581 #endif
582         }
583         BIO_printf(bio_err, "\n\n");
584         ret = 0;
585     }
586  end:
587     return (ret);
588 }
589 
590 static int SortFnByName(const void *_f1, const void *_f2)
591 {
592     const FUNCTION *f1 = _f1;
593     const FUNCTION *f2 = _f2;
594 
595     if (f1->type != f2->type)
596         return f1->type - f2->type;
597     return strcmp(f1->name, f2->name);
598 }
599 
600 static void list_pkey(BIO *out)
601 {
602     int i;
603     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
604         const EVP_PKEY_ASN1_METHOD *ameth;
605         int pkey_id, pkey_base_id, pkey_flags;
606         const char *pinfo, *pem_str;
607         ameth = EVP_PKEY_asn1_get0(i);
608         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
609                                 &pinfo, &pem_str, ameth);
610         if (pkey_flags & ASN1_PKEY_ALIAS) {
611             BIO_printf(out, "Name: %s\n", OBJ_nid2ln(pkey_id));
612             BIO_printf(out, "\tType: Alias to %s\n",
613                        OBJ_nid2ln(pkey_base_id));
614         } else {
615             BIO_printf(out, "Name: %s\n", pinfo);
616             BIO_printf(out, "\tType: %s Algorithm\n",
617                        pkey_flags & ASN1_PKEY_DYNAMIC ?
618                        "External" : "Builtin");
619             BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
620             if (pem_str == NULL)
621                 pem_str = "(none)";
622             BIO_printf(out, "\tPEM string: %s\n", pem_str);
623         }
624 
625     }
626 }
627 
628 static void list_cipher_fn(const EVP_CIPHER *c,
629                            const char *from, const char *to, void *arg)
630 {
631     if (c)
632         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
633     else {
634         if (!from)
635             from = "<undefined>";
636         if (!to)
637             to = "<undefined>";
638         BIO_printf(arg, "%s => %s\n", from, to);
639     }
640 }
641 
642 static void list_cipher(BIO *out)
643 {
644     EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
645 }
646 
647 static void list_md_fn(const EVP_MD *m,
648                        const char *from, const char *to, void *arg)
649 {
650     if (m)
651         BIO_printf(arg, "%s\n", EVP_MD_name(m));
652     else {
653         if (!from)
654             from = "<undefined>";
655         if (!to)
656             to = "<undefined>";
657         BIO_printf(arg, "%s => %s\n", from, to);
658     }
659 }
660 
661 static void list_md(BIO *out)
662 {
663     EVP_MD_do_all_sorted(list_md_fn, out);
664 }
665 
666 static int MS_CALLBACK function_cmp(const FUNCTION * a, const FUNCTION * b)
667 {
668     return strncmp(a->name, b->name, 8);
669 }
670 
671 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
672 
673 static unsigned long MS_CALLBACK function_hash(const FUNCTION * a)
674 {
675     return lh_strhash(a->name);
676 }
677 
678 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
679 
680 static LHASH_OF(FUNCTION) *prog_init(void)
681 {
682     LHASH_OF(FUNCTION) *ret;
683     FUNCTION *f;
684     size_t i;
685 
686     /* Purely so it looks nice when the user hits ? */
687     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
688     qsort(functions, i, sizeof *functions, SortFnByName);
689 
690     if ((ret = lh_FUNCTION_new()) == NULL)
691         return (NULL);
692 
693     for (f = functions; f->name != NULL; f++)
694         (void)lh_FUNCTION_insert(ret, f);
695     return (ret);
696 }
697