]>
git.ipfire.org Git - thirdparty/openssl.git/blob - apps/passwd.c
2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
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
10 #if defined OPENSSL_NO_MD5 || defined CHARSET_EBCDIC
11 # define NO_MD5CRYPT_1
14 #if defined OPENSSL_NO_SHA || defined CHARSET_EBCDIC
18 #if !defined(OPENSSL_NO_DES) || !defined(NO_MD5CRYPT_1) || !defined(NO_SHACRYPT)
24 # include <openssl/bio.h>
25 # include <openssl/err.h>
26 # include <openssl/evp.h>
27 # include <openssl/rand.h>
28 # ifndef OPENSSL_NO_DES
29 # include <openssl/des.h>
31 # ifndef NO_MD5CRYPT_1
32 # include <openssl/md5.h>
35 # include <openssl/sha.h>
38 static unsigned const char cov_2char
[64] = {
39 /* from crypto/des/fcrypt.c */
40 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
41 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
42 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
43 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
44 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
45 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
46 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
47 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
59 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
60 char *passwd
, BIO
*out
, int quiet
, int table
,
61 int reverse
, size_t pw_maxlen
, passwd_modes mode
);
63 typedef enum OPTION_choice
{
64 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
66 OPT_NOVERIFY
, OPT_QUIET
, OPT_TABLE
, OPT_REVERSE
, OPT_APR1
,
67 OPT_1
, OPT_5
, OPT_6
, OPT_CRYPT
, OPT_SALT
, OPT_STDIN
70 const OPTIONS passwd_options
[] = {
71 {"help", OPT_HELP
, '-', "Display this summary"},
72 {"in", OPT_IN
, '<', "Pead passwords from file"},
73 {"noverify", OPT_NOVERIFY
, '-',
74 "Never verify when reading password from terminal"},
75 {"quiet", OPT_QUIET
, '-', "No warnings"},
76 {"table", OPT_TABLE
, '-', "Format output as table"},
77 {"reverse", OPT_REVERSE
, '-', "Switch table columns"},
78 {"salt", OPT_SALT
, 's', "Use provided salt"},
79 {"stdin", OPT_STDIN
, '-', "Read passwords from stdin"},
81 {"6", OPT_6
, '-', "SHA512-based password algorithm"},
82 {"5", OPT_5
, '-', "SHA256-based password algorithm"},
84 # ifndef NO_MD5CRYPT_1
85 {"apr1", OPT_APR1
, '-', "MD5-based password algorithm, Apache variant"},
86 {"1", OPT_1
, '-', "MD5-based password algorithm"},
88 # ifndef OPENSSL_NO_DES
89 {"crypt", OPT_CRYPT
, '-', "Standard Unix password algorithm (default)"},
94 int passwd_main(int argc
, char **argv
)
97 char *infile
= NULL
, *salt
= NULL
, *passwd
= NULL
, **passwds
= NULL
;
98 char *salt_malloc
= NULL
, *passwd_malloc
= NULL
, *prog
;
100 int in_stdin
= 0, pw_source_defined
= 0;
101 #ifndef OPENSSL_NO_UI
104 int passed_salt
= 0, quiet
= 0, table
= 0, reverse
= 0;
106 passwd_modes mode
= passwd_unset
;
107 size_t passwd_malloc_size
= 0;
108 size_t pw_maxlen
= 256; /* arbitrary limit, should be enough for most
111 prog
= opt_init(argc
, argv
, passwd_options
);
112 while ((o
= opt_next()) != OPT_EOF
) {
117 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
120 opt_help(passwd_options
);
124 if (pw_source_defined
)
127 pw_source_defined
= 1;
130 #ifndef OPENSSL_NO_UI
144 if (mode
!= passwd_unset
)
149 if (mode
!= passwd_unset
)
151 mode
= passwd_sha256
;
154 if (mode
!= passwd_unset
)
156 mode
= passwd_sha512
;
159 if (mode
!= passwd_unset
)
164 if (mode
!= passwd_unset
)
173 if (pw_source_defined
)
176 pw_source_defined
= 1;
180 argc
= opt_num_rest();
184 if (pw_source_defined
)
186 pw_source_defined
= 1;
190 if (mode
== passwd_unset
) {
195 # ifdef OPENSSL_NO_DES
196 if (mode
== passwd_crypt
)
199 # ifdef NO_MD5CRYPT_1
200 if (mode
== passwd_md5
|| mode
== passwd_apr1
)
204 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
208 if (infile
!= NULL
&& in_stdin
) {
209 BIO_printf(bio_err
, "%s: Can't combine -in and -stdin\n", prog
);
213 if (infile
!= NULL
|| in_stdin
) {
215 * If in_stdin is true, we know that infile is NULL, and that
216 * bio_open_default() will give us back an alias for stdin.
218 in
= bio_open_default(infile
, 'r', FORMAT_TEXT
);
223 if (mode
== passwd_crypt
)
226 if (passwds
== NULL
) {
227 /* no passwords on the command line */
229 passwd_malloc_size
= pw_maxlen
+ 2;
230 /* longer than necessary so that we can warn about truncation */
231 passwd
= passwd_malloc
=
232 app_malloc(passwd_malloc_size
, "password buffer");
235 if ((in
== NULL
) && (passwds
== NULL
)) {
237 #ifndef OPENSSL_NO_UI
238 /* build a null-terminated list */
239 static char *passwds_static
[2] = { NULL
, NULL
};
241 passwds
= passwds_static
;
243 if (EVP_read_pw_string
244 (passwd_malloc
, passwd_malloc_size
, "Password: ",
245 !(passed_salt
|| in_noverify
)) != 0)
247 passwds
[0] = passwd_malloc
;
250 BIO_printf(bio_err
, "password required\n");
257 assert(passwds
!= NULL
);
258 assert(*passwds
!= NULL
);
260 do { /* loop over list of passwords */
262 if (!do_passwd(passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
,
263 quiet
, table
, reverse
, pw_maxlen
, mode
))
266 while (*passwds
!= NULL
);
272 assert(passwd
!= NULL
);
274 int r
= BIO_gets(in
, passwd
, pw_maxlen
+ 1);
276 char *c
= (strchr(passwd
, '\n'));
278 *c
= 0; /* truncate at newline */
280 /* ignore rest of line */
283 r
= BIO_gets(in
, trash
, sizeof trash
);
284 while ((r
> 0) && (!strchr(trash
, '\n')));
288 (passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
, quiet
,
289 table
, reverse
, pw_maxlen
, mode
))
299 ERR_print_errors(bio_err
);
300 OPENSSL_free(salt_malloc
);
301 OPENSSL_free(passwd_malloc
);
306 # ifndef NO_MD5CRYPT_1
308 * MD5-based password algorithm (should probably be available as a library
309 * function; then the static buffer would not be acceptable). For magic
310 * string "1", this should be compatible to the MD5-based BSD password
311 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
312 * Apache password algorithm. (Apparently, the Apache password algorithm is
313 * identical except that the 'magic' string was changed -- the laziest
314 * application of the NIH principle I've ever encountered.)
316 static char *md5crypt(const char *passwd
, const char *magic
, const char *salt
)
318 /* "$apr1$..salt..$.......md5hash..........\0" */
319 static char out_buf
[6 + 9 + 24 + 2];
320 unsigned char buf
[MD5_DIGEST_LENGTH
];
324 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
325 size_t passwd_len
, salt_len
, magic_len
;
327 passwd_len
= strlen(passwd
);
330 magic_len
= strlen(magic
);
332 if (magic_len
> 4) /* assert it's "1" or "apr1" */
335 OPENSSL_strlcat(out_buf
, magic
, sizeof out_buf
);
336 OPENSSL_strlcat(out_buf
, "$", sizeof out_buf
);
337 OPENSSL_strlcat(out_buf
, salt
, sizeof out_buf
);
339 if (strlen(out_buf
) > 6 + 8) /* assert "$apr1$..salt.." */
342 salt_out
= out_buf
+ 2 + magic_len
;
343 salt_len
= strlen(salt_out
);
348 md
= EVP_MD_CTX_new();
350 || !EVP_DigestInit_ex(md
, EVP_md5(), NULL
)
351 || !EVP_DigestUpdate(md
, passwd
, passwd_len
)
352 || !EVP_DigestUpdate(md
, "$", 1)
353 || !EVP_DigestUpdate(md
, magic
, magic_len
)
354 || !EVP_DigestUpdate(md
, "$", 1)
355 || !EVP_DigestUpdate(md
, salt_out
, salt_len
))
358 md2
= EVP_MD_CTX_new();
360 || !EVP_DigestInit_ex(md2
, EVP_md5(), NULL
)
361 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
362 || !EVP_DigestUpdate(md2
, salt_out
, salt_len
)
363 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
364 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
367 for (i
= passwd_len
; i
> sizeof buf
; i
-= sizeof buf
) {
368 if (!EVP_DigestUpdate(md
, buf
, sizeof buf
))
371 if (!EVP_DigestUpdate(md
, buf
, i
))
376 if (!EVP_DigestUpdate(md
, (n
& 1) ? "\0" : passwd
, 1))
380 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
383 for (i
= 0; i
< 1000; i
++) {
384 if (!EVP_DigestInit_ex(md2
, EVP_md5(), NULL
))
386 if (!EVP_DigestUpdate(md2
,
387 (i
& 1) ? (unsigned const char *)passwd
: buf
,
388 (i
& 1) ? passwd_len
: sizeof buf
))
391 if (!EVP_DigestUpdate(md2
, salt_out
, salt_len
))
395 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
398 if (!EVP_DigestUpdate(md2
,
399 (i
& 1) ? buf
: (unsigned const char *)passwd
,
400 (i
& 1) ? sizeof buf
: passwd_len
))
402 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
405 EVP_MD_CTX_free(md2
);
411 /* transform buf into output string */
412 unsigned char buf_perm
[sizeof buf
];
416 /* silly output permutation */
417 for (dest
= 0, source
= 0; dest
< 14;
418 dest
++, source
= (source
+ 6) % 17)
419 buf_perm
[dest
] = buf
[source
];
420 buf_perm
[14] = buf
[5];
421 buf_perm
[15] = buf
[11];
422 # ifndef PEDANTIC /* Unfortunately, this generates a "no
424 assert(16 == sizeof buf_perm
);
427 output
= salt_out
+ salt_len
;
428 assert(output
== out_buf
+ strlen(out_buf
));
432 for (i
= 0; i
< 15; i
+= 3) {
433 *output
++ = cov_2char
[buf_perm
[i
+ 2] & 0x3f];
434 *output
++ = cov_2char
[((buf_perm
[i
+ 1] & 0xf) << 2) |
435 (buf_perm
[i
+ 2] >> 6)];
436 *output
++ = cov_2char
[((buf_perm
[i
] & 3) << 4) |
437 (buf_perm
[i
+ 1] >> 4)];
438 *output
++ = cov_2char
[buf_perm
[i
] >> 2];
441 *output
++ = cov_2char
[buf_perm
[i
] & 0x3f];
442 *output
++ = cov_2char
[buf_perm
[i
] >> 6];
444 assert(strlen(out_buf
) < sizeof(out_buf
));
450 EVP_MD_CTX_free(md2
);
458 * SHA based password algorithm, describe by Ulrich Drepper here:
459 * https://www.akkadia.org/drepper/SHA-crypt.txt
460 * (note that it's in the public domain)
462 static char *shacrypt(const char *passwd
, const char *magic
, const char *salt
)
464 /* Prefix for optional rounds specification. */
465 static const char rounds_prefix
[] = "rounds=";
466 /* Maximum salt string length. */
467 #define SALT_LEN_MAX 16
468 /* Default number of rounds if not explicitly specified. */
469 #define ROUNDS_DEFAULT 5000
470 /* Minimum number of rounds. */
471 #define ROUNDS_MIN 1000
472 /* Maximum number of rounds. */
473 #define ROUNDS_MAX 999999999
475 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
476 static char out_buf
[3 + 17 + 17 + 86 + 1];
477 unsigned char buf
[SHA512_DIGEST_LENGTH
];
478 unsigned char temp_buf
[SHA512_DIGEST_LENGTH
];
480 char salt_copy
[17]; /* Max 16 chars plus '\0' */
482 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
483 const EVP_MD
*sha
= NULL
;
484 size_t passwd_len
, salt_len
, magic_len
;
485 size_t rounds
= 5000; /* Default */
486 char rounds_custom
= 0;
487 char *p_bytes
= NULL
;
488 char *s_bytes
= NULL
;
491 passwd_len
= strlen(passwd
);
492 magic_len
= strlen(magic
);
494 /* assert it's "5" or "6" */
511 if (strncmp(salt
, rounds_prefix
, sizeof(rounds_prefix
) - 1) == 0) {
512 const char *num
= salt
+ sizeof(rounds_prefix
) - 1;
514 unsigned long int srounds
= strtoul (num
, &endp
, 10);
517 if (srounds
> ROUNDS_MAX
)
519 else if (srounds
< ROUNDS_MIN
)
529 /* The salt gets truncated to 16 chars */
530 OPENSSL_strlcpy(salt_copy
, salt
, sizeof salt_copy
);
531 salt_len
= strlen(salt_copy
);
534 OPENSSL_strlcat(out_buf
, "$", sizeof out_buf
);
535 OPENSSL_strlcat(out_buf
, magic
, sizeof out_buf
);
536 OPENSSL_strlcat(out_buf
, "$", sizeof out_buf
);
538 char tmp_buf
[7 + 9 + 1]; /* "rounds=999999999" */
539 sprintf(tmp_buf
, "rounds=%lu", rounds
);
540 OPENSSL_strlcat(out_buf
, tmp_buf
, sizeof out_buf
);
541 OPENSSL_strlcat(out_buf
, "$", sizeof out_buf
);
543 OPENSSL_strlcat(out_buf
, salt_copy
, sizeof out_buf
);
545 /* assert "$5$rounds=999999999$......salt......" */
546 if (strlen(out_buf
) > 3 + 17 * rounds_custom
+ salt_len
)
549 md
= EVP_MD_CTX_new();
551 || !EVP_DigestInit_ex(md
, sha
, NULL
)
552 || !EVP_DigestUpdate(md
, passwd
, passwd_len
)
553 || !EVP_DigestUpdate(md
, salt_copy
, salt_len
))
556 md2
= EVP_MD_CTX_new();
558 || !EVP_DigestInit_ex(md2
, sha
, NULL
)
559 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
560 || !EVP_DigestUpdate(md2
, salt_copy
, salt_len
)
561 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
562 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
565 for (n
= passwd_len
; n
> buf_size
; n
-= buf_size
) {
566 if (!EVP_DigestUpdate(md
, buf
, buf_size
))
569 if (!EVP_DigestUpdate(md
, buf
, n
))
574 if (!EVP_DigestUpdate(md
,
575 (n
& 1) ? buf
: (unsigned const char *)passwd
,
576 (n
& 1) ? buf_size
: passwd_len
))
580 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
584 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
587 for (n
= passwd_len
; n
> 0; n
--)
588 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
591 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
594 if ((p_bytes
= OPENSSL_zalloc(passwd_len
)) == NULL
)
596 for (cp
= p_bytes
, n
= passwd_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
597 memcpy(cp
, temp_buf
, buf_size
);
598 memcpy(cp
, temp_buf
, n
);
601 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
604 for (n
= 16 + buf
[0]; n
> 0; n
--)
605 if (!EVP_DigestUpdate(md2
, salt
, salt_len
))
608 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
611 if ((s_bytes
= OPENSSL_zalloc(salt_len
)) == NULL
)
613 for (cp
= s_bytes
, n
= salt_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
614 memcpy(cp
, temp_buf
, buf_size
);
615 memcpy(cp
, temp_buf
, n
);
617 for (n
= 0; n
< rounds
; n
++) {
618 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
620 if (!EVP_DigestUpdate(md2
,
621 (n
& 1) ? (unsigned const char *)p_bytes
: buf
,
622 (n
& 1) ? passwd_len
: buf_size
))
625 if (!EVP_DigestUpdate(md2
, s_bytes
, salt_len
))
629 if (!EVP_DigestUpdate(md2
, p_bytes
, passwd_len
))
632 if (!EVP_DigestUpdate(md2
,
633 (n
& 1) ? buf
: (unsigned const char *)p_bytes
,
634 (n
& 1) ? buf_size
: passwd_len
))
636 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
639 EVP_MD_CTX_free(md2
);
643 OPENSSL_free(p_bytes
);
644 OPENSSL_free(s_bytes
);
648 cp
= out_buf
+ strlen(out_buf
);
651 #define b64_from_24bit(B2, B1, B0, N) \
653 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
657 *cp++ = cov_2char[w & 0x3f]; \
664 b64_from_24bit (buf
[0], buf
[10], buf
[20], 4);
665 b64_from_24bit (buf
[21], buf
[1], buf
[11], 4);
666 b64_from_24bit (buf
[12], buf
[22], buf
[2], 4);
667 b64_from_24bit (buf
[3], buf
[13], buf
[23], 4);
668 b64_from_24bit (buf
[24], buf
[4], buf
[14], 4);
669 b64_from_24bit (buf
[15], buf
[25], buf
[5], 4);
670 b64_from_24bit (buf
[6], buf
[16], buf
[26], 4);
671 b64_from_24bit (buf
[27], buf
[7], buf
[17], 4);
672 b64_from_24bit (buf
[18], buf
[28], buf
[8], 4);
673 b64_from_24bit (buf
[9], buf
[19], buf
[29], 4);
674 b64_from_24bit (0, buf
[31], buf
[30], 3);
677 b64_from_24bit (buf
[0], buf
[21], buf
[42], 4);
678 b64_from_24bit (buf
[22], buf
[43], buf
[1], 4);
679 b64_from_24bit (buf
[44], buf
[2], buf
[23], 4);
680 b64_from_24bit (buf
[3], buf
[24], buf
[45], 4);
681 b64_from_24bit (buf
[25], buf
[46], buf
[4], 4);
682 b64_from_24bit (buf
[47], buf
[5], buf
[26], 4);
683 b64_from_24bit (buf
[6], buf
[27], buf
[48], 4);
684 b64_from_24bit (buf
[28], buf
[49], buf
[7], 4);
685 b64_from_24bit (buf
[50], buf
[8], buf
[29], 4);
686 b64_from_24bit (buf
[9], buf
[30], buf
[51], 4);
687 b64_from_24bit (buf
[31], buf
[52], buf
[10], 4);
688 b64_from_24bit (buf
[53], buf
[11], buf
[32], 4);
689 b64_from_24bit (buf
[12], buf
[33], buf
[54], 4);
690 b64_from_24bit (buf
[34], buf
[55], buf
[13], 4);
691 b64_from_24bit (buf
[56], buf
[14], buf
[35], 4);
692 b64_from_24bit (buf
[15], buf
[36], buf
[57], 4);
693 b64_from_24bit (buf
[37], buf
[58], buf
[16], 4);
694 b64_from_24bit (buf
[59], buf
[17], buf
[38], 4);
695 b64_from_24bit (buf
[18], buf
[39], buf
[60], 4);
696 b64_from_24bit (buf
[40], buf
[61], buf
[19], 4);
697 b64_from_24bit (buf
[62], buf
[20], buf
[41], 4);
698 b64_from_24bit (0, 0, buf
[63], 2);
708 EVP_MD_CTX_free(md2
);
710 OPENSSL_free(p_bytes
);
711 OPENSSL_free(s_bytes
);
716 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
717 char *passwd
, BIO
*out
, int quiet
, int table
,
718 int reverse
, size_t pw_maxlen
, passwd_modes mode
)
722 assert(salt_p
!= NULL
);
723 assert(salt_malloc_p
!= NULL
);
725 /* first make sure we have a salt */
727 # ifndef OPENSSL_NO_DES
728 if (mode
== passwd_crypt
) {
729 if (*salt_malloc_p
== NULL
) {
730 *salt_p
= *salt_malloc_p
= app_malloc(3, "salt buffer");
732 if (RAND_bytes((unsigned char *)*salt_p
, 2) <= 0)
734 (*salt_p
)[0] = cov_2char
[(*salt_p
)[0] & 0x3f]; /* 6 bits */
735 (*salt_p
)[1] = cov_2char
[(*salt_p
)[1] & 0x3f]; /* 6 bits */
737 # ifdef CHARSET_EBCDIC
738 ascii2ebcdic(*salt_p
, *salt_p
, 2); /* des_crypt will convert back
742 # endif /* !OPENSSL_NO_DES */
744 # ifndef NO_MD5CRYPT_1
745 if (mode
== passwd_md5
|| mode
== passwd_apr1
) {
748 if (*salt_malloc_p
== NULL
) {
749 *salt_p
= *salt_malloc_p
= app_malloc(9, "salt buffer");
751 if (RAND_bytes((unsigned char *)*salt_p
, 8) <= 0)
754 for (i
= 0; i
< 8; i
++)
755 (*salt_p
)[i
] = cov_2char
[(*salt_p
)[i
] & 0x3f]; /* 6 bits */
758 # endif /* !NO_MD5CRYPT_1 */
761 if (mode
== passwd_sha256
|| mode
== passwd_sha512
) {
764 if (*salt_malloc_p
== NULL
) {
765 *salt_p
= *salt_malloc_p
= app_malloc(17, "salt buffer");
767 if (RAND_bytes((unsigned char *)*salt_p
, 16) <= 0)
770 for (i
= 0; i
< 16; i
++)
771 (*salt_p
)[i
] = cov_2char
[(*salt_p
)[i
] & 0x3f]; /* 6 bits */
774 # endif /* !NO_SHACRYPT */
777 assert(*salt_p
!= NULL
);
779 /* truncate password if necessary */
780 if ((strlen(passwd
) > pw_maxlen
)) {
783 * XXX: really we should know how to print a size_t, not cast it
786 "Warning: truncating password to %u characters\n",
787 (unsigned)pw_maxlen
);
788 passwd
[pw_maxlen
] = 0;
790 assert(strlen(passwd
) <= pw_maxlen
);
792 /* now compute password hash */
793 # ifndef OPENSSL_NO_DES
794 if (mode
== passwd_crypt
)
795 hash
= DES_crypt(passwd
, *salt_p
);
797 # ifndef NO_MD5CRYPT_1
798 if (mode
== passwd_md5
|| mode
== passwd_apr1
)
799 hash
= md5crypt(passwd
, (mode
== passwd_md5
? "1" : "apr1"), *salt_p
);
802 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
803 hash
= shacrypt(passwd
, (mode
== passwd_sha256
? "5" : "6"), *salt_p
);
805 assert(hash
!= NULL
);
807 if (table
&& !reverse
)
808 BIO_printf(out
, "%s\t%s\n", passwd
, hash
);
809 else if (table
&& reverse
)
810 BIO_printf(out
, "%s\t%s\n", hash
, passwd
);
812 BIO_printf(out
, "%s\n", hash
);
820 int passwd_main(int argc
, char **argv
)
822 BIO_printf(bio_err
, "Program not available.\n");