]>
git.ipfire.org Git - thirdparty/openssl.git/blob - apps/passwd.c
2 * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/evp.h>
18 #include <openssl/rand.h>
19 #ifndef OPENSSL_NO_DES
20 # include <openssl/des.h>
22 #include <openssl/md5.h>
23 #include <openssl/sha.h>
25 static unsigned const char cov_2char
[64] = {
26 /* from crypto/des/fcrypt.c */
27 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
28 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
29 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
30 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
31 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
32 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
33 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
34 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
37 static const char ascii_dollar
[] = { 0x24, 0x00 };
49 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
50 char *passwd
, BIO
*out
, int quiet
, int table
,
51 int reverse
, size_t pw_maxlen
, passwd_modes mode
);
53 typedef enum OPTION_choice
{
54 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
56 OPT_NOVERIFY
, OPT_QUIET
, OPT_TABLE
, OPT_REVERSE
, OPT_APR1
,
57 OPT_1
, OPT_5
, OPT_6
, OPT_CRYPT
, OPT_AIXMD5
, OPT_SALT
, OPT_STDIN
,
61 const OPTIONS passwd_options
[] = {
62 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] [password]\n"},
64 OPT_SECTION("General"),
65 {"help", OPT_HELP
, '-', "Display this summary"},
68 {"in", OPT_IN
, '<', "Read passwords from file"},
69 {"noverify", OPT_NOVERIFY
, '-',
70 "Never verify when reading password from terminal"},
71 {"stdin", OPT_STDIN
, '-', "Read passwords from stdin"},
73 OPT_SECTION("Output"),
74 {"quiet", OPT_QUIET
, '-', "No warnings"},
75 {"table", OPT_TABLE
, '-', "Format output as table"},
76 {"reverse", OPT_REVERSE
, '-', "Switch table columns"},
78 OPT_SECTION("Cryptographic"),
79 {"salt", OPT_SALT
, 's', "Use provided salt"},
80 {"6", OPT_6
, '-', "SHA512-based password algorithm"},
81 {"5", OPT_5
, '-', "SHA256-based password algorithm"},
82 {"apr1", OPT_APR1
, '-', "MD5-based password algorithm, Apache variant"},
83 {"1", OPT_1
, '-', "MD5-based password algorithm"},
84 {"aixmd5", OPT_AIXMD5
, '-', "AIX MD5-based password algorithm"},
85 #ifndef OPENSSL_NO_DES
86 {"crypt", OPT_CRYPT
, '-', "Standard Unix password algorithm (default)"},
92 {"password", 0, 0, "Password text to digest (optional)"},
96 int passwd_main(int argc
, char **argv
)
99 char *infile
= NULL
, *salt
= NULL
, *passwd
= NULL
, **passwds
= NULL
;
100 char *salt_malloc
= NULL
, *passwd_malloc
= NULL
, *prog
;
102 int in_stdin
= 0, pw_source_defined
= 0;
103 #ifndef OPENSSL_NO_UI_CONSOLE
106 int passed_salt
= 0, quiet
= 0, table
= 0, reverse
= 0;
108 passwd_modes mode
= passwd_unset
;
109 size_t passwd_malloc_size
= 0;
110 size_t pw_maxlen
= 256; /* arbitrary limit, should be enough for most
113 prog
= opt_init(argc
, argv
, passwd_options
);
114 while ((o
= opt_next()) != OPT_EOF
) {
119 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
122 opt_help(passwd_options
);
126 if (pw_source_defined
)
129 pw_source_defined
= 1;
132 #ifndef OPENSSL_NO_UI_CONSOLE
146 if (mode
!= passwd_unset
)
151 if (mode
!= passwd_unset
)
153 mode
= passwd_sha256
;
156 if (mode
!= passwd_unset
)
158 mode
= passwd_sha512
;
161 if (mode
!= passwd_unset
)
166 if (mode
!= passwd_unset
)
168 mode
= passwd_aixmd5
;
171 #ifndef OPENSSL_NO_DES
172 if (mode
!= passwd_unset
)
182 if (pw_source_defined
)
185 pw_source_defined
= 1;
193 argc
= opt_num_rest();
197 if (pw_source_defined
)
199 pw_source_defined
= 1;
203 if (mode
== passwd_unset
) {
208 #ifdef OPENSSL_NO_DES
209 if (mode
== passwd_crypt
)
213 if (infile
!= NULL
&& in_stdin
) {
214 BIO_printf(bio_err
, "%s: Can't combine -in and -stdin\n", prog
);
218 if (infile
!= NULL
|| in_stdin
) {
220 * If in_stdin is true, we know that infile is NULL, and that
221 * bio_open_default() will give us back an alias for stdin.
223 in
= bio_open_default(infile
, 'r', FORMAT_TEXT
);
228 if (mode
== passwd_crypt
)
231 if (passwds
== NULL
) {
232 /* no passwords on the command line */
234 passwd_malloc_size
= pw_maxlen
+ 2;
235 /* longer than necessary so that we can warn about truncation */
236 passwd
= passwd_malloc
=
237 app_malloc(passwd_malloc_size
, "password buffer");
240 if ((in
== NULL
) && (passwds
== NULL
)) {
242 * we use the following method to make sure what
243 * in the 'else' section is always compiled, to
244 * avoid rot of not-frequently-used code.
247 #ifndef OPENSSL_NO_UI_CONSOLE
248 /* build a null-terminated list */
249 static char *passwds_static
[2] = { NULL
, NULL
};
251 passwds
= passwds_static
;
253 if (EVP_read_pw_string
254 (passwd_malloc
, passwd_malloc_size
, "Password: ",
255 !(passed_salt
|| in_noverify
)) != 0)
258 passwds
[0] = passwd_malloc
;
261 BIO_printf(bio_err
, "password required\n");
267 assert(passwds
!= NULL
);
268 assert(*passwds
!= NULL
);
270 do { /* loop over list of passwords */
272 if (!do_passwd(passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
,
273 quiet
, table
, reverse
, pw_maxlen
, mode
))
275 } while (*passwds
!= NULL
);
280 assert(passwd
!= NULL
);
282 int r
= BIO_gets(in
, passwd
, pw_maxlen
+ 1);
284 char *c
= (strchr(passwd
, '\n'));
286 *c
= 0; /* truncate at newline */
288 /* ignore rest of line */
291 r
= BIO_gets(in
, trash
, sizeof(trash
));
292 while ((r
> 0) && (!strchr(trash
, '\n')));
296 (passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
, quiet
,
297 table
, reverse
, pw_maxlen
, mode
))
307 ERR_print_errors(bio_err
);
309 OPENSSL_free(salt_malloc
);
310 OPENSSL_free(passwd_malloc
);
316 * MD5-based password algorithm (should probably be available as a library
317 * function; then the static buffer would not be acceptable). For magic
318 * string "1", this should be compatible to the MD5-based BSD password
319 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
320 * Apache password algorithm. (Apparently, the Apache password algorithm is
321 * identical except that the 'magic' string was changed -- the laziest
322 * application of the NIH principle I've ever encountered.)
324 static char *md5crypt(const char *passwd
, const char *magic
, const char *salt
)
326 /* "$apr1$..salt..$.......md5hash..........\0" */
327 static char out_buf
[6 + 9 + 24 + 2];
328 unsigned char buf
[MD5_DIGEST_LENGTH
];
329 char ascii_magic
[5]; /* "apr1" plus '\0' */
330 char ascii_salt
[9]; /* Max 8 chars plus '\0' */
331 char *ascii_passwd
= NULL
;
335 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
336 size_t passwd_len
, salt_len
, magic_len
;
338 passwd_len
= strlen(passwd
);
341 magic_len
= strlen(magic
);
342 OPENSSL_strlcpy(ascii_magic
, magic
, sizeof(ascii_magic
));
343 #ifdef CHARSET_EBCDIC
344 if ((magic
[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
345 ebcdic2ascii(ascii_magic
, ascii_magic
, magic_len
);
348 /* The salt gets truncated to 8 chars */
349 OPENSSL_strlcpy(ascii_salt
, salt
, sizeof(ascii_salt
));
350 salt_len
= strlen(ascii_salt
);
351 #ifdef CHARSET_EBCDIC
352 ebcdic2ascii(ascii_salt
, ascii_salt
, salt_len
);
355 #ifdef CHARSET_EBCDIC
356 ascii_passwd
= OPENSSL_strdup(passwd
);
357 if (ascii_passwd
== NULL
)
359 ebcdic2ascii(ascii_passwd
, ascii_passwd
, passwd_len
);
360 passwd
= ascii_passwd
;
364 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof(out_buf
));
366 if (magic_len
> 4) /* assert it's "1" or "apr1" */
369 OPENSSL_strlcat(out_buf
, ascii_magic
, sizeof(out_buf
));
370 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof(out_buf
));
373 OPENSSL_strlcat(out_buf
, ascii_salt
, sizeof(out_buf
));
375 if (strlen(out_buf
) > 6 + 8) /* assert "$apr1$..salt.." */
380 salt_out
+= 2 + magic_len
;
385 md
= EVP_MD_CTX_new();
387 || !EVP_DigestInit_ex(md
, EVP_md5(), NULL
)
388 || !EVP_DigestUpdate(md
, passwd
, passwd_len
))
392 if (!EVP_DigestUpdate(md
, ascii_dollar
, 1)
393 || !EVP_DigestUpdate(md
, ascii_magic
, magic_len
)
394 || !EVP_DigestUpdate(md
, ascii_dollar
, 1))
397 if (!EVP_DigestUpdate(md
, ascii_salt
, salt_len
))
400 md2
= EVP_MD_CTX_new();
402 || !EVP_DigestInit_ex(md2
, EVP_md5(), NULL
)
403 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
404 || !EVP_DigestUpdate(md2
, ascii_salt
, salt_len
)
405 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
406 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
409 for (i
= passwd_len
; i
> sizeof(buf
); i
-= sizeof(buf
)) {
410 if (!EVP_DigestUpdate(md
, buf
, sizeof(buf
)))
413 if (!EVP_DigestUpdate(md
, buf
, i
))
418 if (!EVP_DigestUpdate(md
, (n
& 1) ? "\0" : passwd
, 1))
422 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
425 for (i
= 0; i
< 1000; i
++) {
426 if (!EVP_DigestInit_ex(md2
, EVP_md5(), NULL
))
428 if (!EVP_DigestUpdate(md2
,
429 (i
& 1) ? (unsigned const char *)passwd
: buf
,
430 (i
& 1) ? passwd_len
: sizeof(buf
)))
433 if (!EVP_DigestUpdate(md2
, ascii_salt
, salt_len
))
437 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
440 if (!EVP_DigestUpdate(md2
,
441 (i
& 1) ? buf
: (unsigned const char *)passwd
,
442 (i
& 1) ? sizeof(buf
) : passwd_len
))
444 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
447 EVP_MD_CTX_free(md2
);
453 /* transform buf into output string */
454 unsigned char buf_perm
[sizeof(buf
)];
458 /* silly output permutation */
459 for (dest
= 0, source
= 0; dest
< 14;
460 dest
++, source
= (source
+ 6) % 17)
461 buf_perm
[dest
] = buf
[source
];
462 buf_perm
[14] = buf
[5];
463 buf_perm
[15] = buf
[11];
464 # ifndef PEDANTIC /* Unfortunately, this generates a "no
466 assert(16 == sizeof(buf_perm
));
469 output
= salt_out
+ salt_len
;
470 assert(output
== out_buf
+ strlen(out_buf
));
472 *output
++ = ascii_dollar
[0];
474 for (i
= 0; i
< 15; i
+= 3) {
475 *output
++ = cov_2char
[buf_perm
[i
+ 2] & 0x3f];
476 *output
++ = cov_2char
[((buf_perm
[i
+ 1] & 0xf) << 2) |
477 (buf_perm
[i
+ 2] >> 6)];
478 *output
++ = cov_2char
[((buf_perm
[i
] & 3) << 4) |
479 (buf_perm
[i
+ 1] >> 4)];
480 *output
++ = cov_2char
[buf_perm
[i
] >> 2];
483 *output
++ = cov_2char
[buf_perm
[i
] & 0x3f];
484 *output
++ = cov_2char
[buf_perm
[i
] >> 6];
486 assert(strlen(out_buf
) < sizeof(out_buf
));
487 #ifdef CHARSET_EBCDIC
488 ascii2ebcdic(out_buf
, out_buf
, strlen(out_buf
));
495 OPENSSL_free(ascii_passwd
);
496 EVP_MD_CTX_free(md2
);
502 * SHA based password algorithm, describe by Ulrich Drepper here:
503 * https://www.akkadia.org/drepper/SHA-crypt.txt
504 * (note that it's in the public domain)
506 static char *shacrypt(const char *passwd
, const char *magic
, const char *salt
)
508 /* Prefix for optional rounds specification. */
509 static const char rounds_prefix
[] = "rounds=";
510 /* Maximum salt string length. */
511 # define SALT_LEN_MAX 16
512 /* Default number of rounds if not explicitly specified. */
513 # define ROUNDS_DEFAULT 5000
514 /* Minimum number of rounds. */
515 # define ROUNDS_MIN 1000
516 /* Maximum number of rounds. */
517 # define ROUNDS_MAX 999999999
519 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
520 static char out_buf
[3 + 17 + 17 + 86 + 1];
521 unsigned char buf
[SHA512_DIGEST_LENGTH
];
522 unsigned char temp_buf
[SHA512_DIGEST_LENGTH
];
525 char ascii_salt
[17]; /* Max 16 chars plus '\0' */
526 char *ascii_passwd
= NULL
;
528 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
529 const EVP_MD
*sha
= NULL
;
530 size_t passwd_len
, salt_len
, magic_len
;
531 unsigned int rounds
= 5000; /* Default */
532 char rounds_custom
= 0;
533 char *p_bytes
= NULL
;
534 char *s_bytes
= NULL
;
537 passwd_len
= strlen(passwd
);
538 magic_len
= strlen(magic
);
540 /* assert it's "5" or "6" */
557 if (strncmp(salt
, rounds_prefix
, sizeof(rounds_prefix
) - 1) == 0) {
558 const char *num
= salt
+ sizeof(rounds_prefix
) - 1;
560 unsigned long int srounds
= strtoul (num
, &endp
, 10);
563 if (srounds
> ROUNDS_MAX
)
565 else if (srounds
< ROUNDS_MIN
)
568 rounds
= (unsigned int)srounds
;
575 OPENSSL_strlcpy(ascii_magic
, magic
, sizeof(ascii_magic
));
576 #ifdef CHARSET_EBCDIC
577 if ((magic
[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
578 ebcdic2ascii(ascii_magic
, ascii_magic
, magic_len
);
581 /* The salt gets truncated to 16 chars */
582 OPENSSL_strlcpy(ascii_salt
, salt
, sizeof(ascii_salt
));
583 salt_len
= strlen(ascii_salt
);
584 #ifdef CHARSET_EBCDIC
585 ebcdic2ascii(ascii_salt
, ascii_salt
, salt_len
);
588 #ifdef CHARSET_EBCDIC
589 ascii_passwd
= OPENSSL_strdup(passwd
);
590 if (ascii_passwd
== NULL
)
592 ebcdic2ascii(ascii_passwd
, ascii_passwd
, passwd_len
);
593 passwd
= ascii_passwd
;
597 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof(out_buf
));
598 OPENSSL_strlcat(out_buf
, ascii_magic
, sizeof(out_buf
));
599 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof(out_buf
));
601 char tmp_buf
[80]; /* "rounds=999999999" */
602 sprintf(tmp_buf
, "rounds=%u", rounds
);
603 #ifdef CHARSET_EBCDIC
604 /* In case we're really on a ASCII based platform and just pretend */
605 if (tmp_buf
[0] != 0x72) /* ASCII 'r' */
606 ebcdic2ascii(tmp_buf
, tmp_buf
, strlen(tmp_buf
));
608 OPENSSL_strlcat(out_buf
, tmp_buf
, sizeof(out_buf
));
609 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof(out_buf
));
611 OPENSSL_strlcat(out_buf
, ascii_salt
, sizeof(out_buf
));
613 /* assert "$5$rounds=999999999$......salt......" */
614 if (strlen(out_buf
) > 3 + 17 * rounds_custom
+ salt_len
)
617 md
= EVP_MD_CTX_new();
619 || !EVP_DigestInit_ex(md
, sha
, NULL
)
620 || !EVP_DigestUpdate(md
, passwd
, passwd_len
)
621 || !EVP_DigestUpdate(md
, ascii_salt
, salt_len
))
624 md2
= EVP_MD_CTX_new();
626 || !EVP_DigestInit_ex(md2
, sha
, NULL
)
627 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
628 || !EVP_DigestUpdate(md2
, ascii_salt
, salt_len
)
629 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
630 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
633 for (n
= passwd_len
; n
> buf_size
; n
-= buf_size
) {
634 if (!EVP_DigestUpdate(md
, buf
, buf_size
))
637 if (!EVP_DigestUpdate(md
, buf
, n
))
642 if (!EVP_DigestUpdate(md
,
643 (n
& 1) ? buf
: (unsigned const char *)passwd
,
644 (n
& 1) ? buf_size
: passwd_len
))
648 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
652 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
655 for (n
= passwd_len
; n
> 0; n
--)
656 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
659 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
662 if ((p_bytes
= OPENSSL_zalloc(passwd_len
)) == NULL
)
664 for (cp
= p_bytes
, n
= passwd_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
665 memcpy(cp
, temp_buf
, buf_size
);
666 memcpy(cp
, temp_buf
, n
);
669 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
672 for (n
= 16 + buf
[0]; n
> 0; n
--)
673 if (!EVP_DigestUpdate(md2
, ascii_salt
, salt_len
))
676 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
679 if ((s_bytes
= OPENSSL_zalloc(salt_len
)) == NULL
)
681 for (cp
= s_bytes
, n
= salt_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
682 memcpy(cp
, temp_buf
, buf_size
);
683 memcpy(cp
, temp_buf
, n
);
685 for (n
= 0; n
< rounds
; n
++) {
686 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
688 if (!EVP_DigestUpdate(md2
,
689 (n
& 1) ? (unsigned const char *)p_bytes
: buf
,
690 (n
& 1) ? passwd_len
: buf_size
))
693 if (!EVP_DigestUpdate(md2
, s_bytes
, salt_len
))
697 if (!EVP_DigestUpdate(md2
, p_bytes
, passwd_len
))
700 if (!EVP_DigestUpdate(md2
,
701 (n
& 1) ? buf
: (unsigned const char *)p_bytes
,
702 (n
& 1) ? buf_size
: passwd_len
))
704 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
707 EVP_MD_CTX_free(md2
);
711 OPENSSL_free(p_bytes
);
712 OPENSSL_free(s_bytes
);
716 cp
= out_buf
+ strlen(out_buf
);
717 *cp
++ = ascii_dollar
[0];
719 # define b64_from_24bit(B2, B1, B0, N) \
721 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
725 *cp++ = cov_2char[w & 0x3f]; \
732 b64_from_24bit (buf
[0], buf
[10], buf
[20], 4);
733 b64_from_24bit (buf
[21], buf
[1], buf
[11], 4);
734 b64_from_24bit (buf
[12], buf
[22], buf
[2], 4);
735 b64_from_24bit (buf
[3], buf
[13], buf
[23], 4);
736 b64_from_24bit (buf
[24], buf
[4], buf
[14], 4);
737 b64_from_24bit (buf
[15], buf
[25], buf
[5], 4);
738 b64_from_24bit (buf
[6], buf
[16], buf
[26], 4);
739 b64_from_24bit (buf
[27], buf
[7], buf
[17], 4);
740 b64_from_24bit (buf
[18], buf
[28], buf
[8], 4);
741 b64_from_24bit (buf
[9], buf
[19], buf
[29], 4);
742 b64_from_24bit (0, buf
[31], buf
[30], 3);
745 b64_from_24bit (buf
[0], buf
[21], buf
[42], 4);
746 b64_from_24bit (buf
[22], buf
[43], buf
[1], 4);
747 b64_from_24bit (buf
[44], buf
[2], buf
[23], 4);
748 b64_from_24bit (buf
[3], buf
[24], buf
[45], 4);
749 b64_from_24bit (buf
[25], buf
[46], buf
[4], 4);
750 b64_from_24bit (buf
[47], buf
[5], buf
[26], 4);
751 b64_from_24bit (buf
[6], buf
[27], buf
[48], 4);
752 b64_from_24bit (buf
[28], buf
[49], buf
[7], 4);
753 b64_from_24bit (buf
[50], buf
[8], buf
[29], 4);
754 b64_from_24bit (buf
[9], buf
[30], buf
[51], 4);
755 b64_from_24bit (buf
[31], buf
[52], buf
[10], 4);
756 b64_from_24bit (buf
[53], buf
[11], buf
[32], 4);
757 b64_from_24bit (buf
[12], buf
[33], buf
[54], 4);
758 b64_from_24bit (buf
[34], buf
[55], buf
[13], 4);
759 b64_from_24bit (buf
[56], buf
[14], buf
[35], 4);
760 b64_from_24bit (buf
[15], buf
[36], buf
[57], 4);
761 b64_from_24bit (buf
[37], buf
[58], buf
[16], 4);
762 b64_from_24bit (buf
[59], buf
[17], buf
[38], 4);
763 b64_from_24bit (buf
[18], buf
[39], buf
[60], 4);
764 b64_from_24bit (buf
[40], buf
[61], buf
[19], 4);
765 b64_from_24bit (buf
[62], buf
[20], buf
[41], 4);
766 b64_from_24bit (0, 0, buf
[63], 2);
772 #ifdef CHARSET_EBCDIC
773 ascii2ebcdic(out_buf
, out_buf
, strlen(out_buf
));
779 EVP_MD_CTX_free(md2
);
781 OPENSSL_free(p_bytes
);
782 OPENSSL_free(s_bytes
);
783 OPENSSL_free(ascii_passwd
);
787 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
788 char *passwd
, BIO
*out
, int quiet
, int table
,
789 int reverse
, size_t pw_maxlen
, passwd_modes mode
)
793 assert(salt_p
!= NULL
);
794 assert(salt_malloc_p
!= NULL
);
796 /* first make sure we have a salt */
801 #ifndef OPENSSL_NO_DES
802 if (mode
== passwd_crypt
)
804 #endif /* !OPENSSL_NO_DES */
806 if (mode
== passwd_md5
|| mode
== passwd_apr1
|| mode
== passwd_aixmd5
)
809 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
812 assert(saltlen
!= 0);
814 if (*salt_malloc_p
== NULL
)
815 *salt_p
= *salt_malloc_p
= app_malloc(saltlen
+ 1, "salt buffer");
816 if (RAND_bytes((unsigned char *)*salt_p
, saltlen
) <= 0)
819 for (i
= 0; i
< saltlen
; i
++)
820 (*salt_p
)[i
] = cov_2char
[(*salt_p
)[i
] & 0x3f]; /* 6 bits */
822 # ifdef CHARSET_EBCDIC
823 /* The password encryption function will convert back to ASCII */
824 ascii2ebcdic(*salt_p
, *salt_p
, saltlen
);
828 assert(*salt_p
!= NULL
);
830 /* truncate password if necessary */
831 if ((strlen(passwd
) > pw_maxlen
)) {
834 * XXX: really we should know how to print a size_t, not cast it
837 "Warning: truncating password to %u characters\n",
838 (unsigned)pw_maxlen
);
839 passwd
[pw_maxlen
] = 0;
841 assert(strlen(passwd
) <= pw_maxlen
);
843 /* now compute password hash */
844 #ifndef OPENSSL_NO_DES
845 if (mode
== passwd_crypt
)
846 hash
= DES_crypt(passwd
, *salt_p
);
848 if (mode
== passwd_md5
|| mode
== passwd_apr1
)
849 hash
= md5crypt(passwd
, (mode
== passwd_md5
? "1" : "apr1"), *salt_p
);
850 if (mode
== passwd_aixmd5
)
851 hash
= md5crypt(passwd
, "", *salt_p
);
852 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
853 hash
= shacrypt(passwd
, (mode
== passwd_sha256
? "5" : "6"), *salt_p
);
854 assert(hash
!= NULL
);
856 if (table
&& !reverse
)
857 BIO_printf(out
, "%s\t%s\n", passwd
, hash
);
858 else if (table
&& reverse
)
859 BIO_printf(out
, "%s\t%s\n", hash
, passwd
);
861 BIO_printf(out
, "%s\n", hash
);