]>
git.ipfire.org Git - thirdparty/openssl.git/blob - apps/passwd.c
2 * Copyright 2000-2017 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
14 #include <openssl/bio.h>
15 #include <openssl/err.h>
16 #include <openssl/evp.h>
17 #include <openssl/rand.h>
18 #ifndef OPENSSL_NO_DES
19 # include <openssl/des.h>
21 #include <openssl/md5.h>
22 #include <openssl/sha.h>
24 static unsigned const char cov_2char
[64] = {
25 /* from crypto/des/fcrypt.c */
26 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
27 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
28 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
29 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
30 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
31 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
32 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
33 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
36 static const char ascii_dollar
[] = { 0x24, 0x00 };
48 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
49 char *passwd
, BIO
*out
, int quiet
, int table
,
50 int reverse
, size_t pw_maxlen
, passwd_modes mode
);
52 typedef enum OPTION_choice
{
53 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
55 OPT_NOVERIFY
, OPT_QUIET
, OPT_TABLE
, OPT_REVERSE
, OPT_APR1
,
56 OPT_1
, OPT_5
, OPT_6
, OPT_CRYPT
, OPT_AIXMD5
, OPT_SALT
, OPT_STDIN
,
60 const OPTIONS passwd_options
[] = {
61 {"help", OPT_HELP
, '-', "Display this summary"},
62 {"in", OPT_IN
, '<', "Read passwords from file"},
63 {"noverify", OPT_NOVERIFY
, '-',
64 "Never verify when reading password from terminal"},
65 {"quiet", OPT_QUIET
, '-', "No warnings"},
66 {"table", OPT_TABLE
, '-', "Format output as table"},
67 {"reverse", OPT_REVERSE
, '-', "Switch table columns"},
68 {"salt", OPT_SALT
, 's', "Use provided salt"},
69 {"stdin", OPT_STDIN
, '-', "Read passwords from stdin"},
70 {"6", OPT_6
, '-', "SHA512-based password algorithm"},
71 {"5", OPT_5
, '-', "SHA256-based password algorithm"},
72 {"apr1", OPT_APR1
, '-', "MD5-based password algorithm, Apache variant"},
73 {"1", OPT_1
, '-', "MD5-based password algorithm"},
74 {"aixmd5", OPT_AIXMD5
, '-', "AIX MD5-based password algorithm"},
75 #ifndef OPENSSL_NO_DES
76 {"crypt", OPT_CRYPT
, '-', "Standard Unix password algorithm (default)"},
82 int passwd_main(int argc
, char **argv
)
85 char *infile
= NULL
, *salt
= NULL
, *passwd
= NULL
, **passwds
= NULL
;
86 char *salt_malloc
= NULL
, *passwd_malloc
= NULL
, *prog
;
88 int in_stdin
= 0, pw_source_defined
= 0;
89 #ifndef OPENSSL_NO_UI_CONSOLE
92 int passed_salt
= 0, quiet
= 0, table
= 0, reverse
= 0;
94 passwd_modes mode
= passwd_unset
;
95 size_t passwd_malloc_size
= 0;
96 size_t pw_maxlen
= 256; /* arbitrary limit, should be enough for most
99 prog
= opt_init(argc
, argv
, passwd_options
);
100 while ((o
= opt_next()) != OPT_EOF
) {
105 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
108 opt_help(passwd_options
);
112 if (pw_source_defined
)
115 pw_source_defined
= 1;
118 #ifndef OPENSSL_NO_UI_CONSOLE
132 if (mode
!= passwd_unset
)
137 if (mode
!= passwd_unset
)
139 mode
= passwd_sha256
;
142 if (mode
!= passwd_unset
)
144 mode
= passwd_sha512
;
147 if (mode
!= passwd_unset
)
152 if (mode
!= passwd_unset
)
154 mode
= passwd_aixmd5
;
157 #ifndef OPENSSL_NO_DES
158 if (mode
!= passwd_unset
)
168 if (pw_source_defined
)
171 pw_source_defined
= 1;
179 argc
= opt_num_rest();
183 if (pw_source_defined
)
185 pw_source_defined
= 1;
189 if (mode
== passwd_unset
) {
194 #ifdef OPENSSL_NO_DES
195 if (mode
== passwd_crypt
)
199 if (infile
!= NULL
&& in_stdin
) {
200 BIO_printf(bio_err
, "%s: Can't combine -in and -stdin\n", prog
);
204 if (infile
!= NULL
|| in_stdin
) {
206 * If in_stdin is true, we know that infile is NULL, and that
207 * bio_open_default() will give us back an alias for stdin.
209 in
= bio_open_default(infile
, 'r', FORMAT_TEXT
);
214 if (mode
== passwd_crypt
)
217 if (passwds
== NULL
) {
218 /* no passwords on the command line */
220 passwd_malloc_size
= pw_maxlen
+ 2;
221 /* longer than necessary so that we can warn about truncation */
222 passwd
= passwd_malloc
=
223 app_malloc(passwd_malloc_size
, "password buffer");
226 if ((in
== NULL
) && (passwds
== NULL
)) {
228 * we use the following method to make sure what
229 * in the 'else' section is always compiled, to
230 * avoid rot of not-frequently-used code.
233 #ifndef OPENSSL_NO_UI_CONSOLE
234 /* build a null-terminated list */
235 static char *passwds_static
[2] = { NULL
, NULL
};
237 passwds
= passwds_static
;
239 if (EVP_read_pw_string
240 (passwd_malloc
, passwd_malloc_size
, "Password: ",
241 !(passed_salt
|| in_noverify
)) != 0)
244 passwds
[0] = passwd_malloc
;
247 BIO_printf(bio_err
, "password required\n");
253 assert(passwds
!= NULL
);
254 assert(*passwds
!= NULL
);
256 do { /* loop over list of passwords */
258 if (!do_passwd(passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
,
259 quiet
, table
, reverse
, pw_maxlen
, mode
))
261 } while (*passwds
!= NULL
);
266 assert(passwd
!= NULL
);
268 int r
= BIO_gets(in
, passwd
, pw_maxlen
+ 1);
270 char *c
= (strchr(passwd
, '\n'));
272 *c
= 0; /* truncate at newline */
274 /* ignore rest of line */
277 r
= BIO_gets(in
, trash
, sizeof trash
);
278 while ((r
> 0) && (!strchr(trash
, '\n')));
282 (passed_salt
, &salt
, &salt_malloc
, passwd
, bio_out
, quiet
,
283 table
, reverse
, pw_maxlen
, mode
))
293 ERR_print_errors(bio_err
);
295 OPENSSL_free(salt_malloc
);
296 OPENSSL_free(passwd_malloc
);
302 * MD5-based password algorithm (should probably be available as a library
303 * function; then the static buffer would not be acceptable). For magic
304 * string "1", this should be compatible to the MD5-based BSD password
305 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
306 * Apache password algorithm. (Apparently, the Apache password algorithm is
307 * identical except that the 'magic' string was changed -- the laziest
308 * application of the NIH principle I've ever encountered.)
310 static char *md5crypt(const char *passwd
, const char *magic
, const char *salt
)
312 /* "$apr1$..salt..$.......md5hash..........\0" */
313 static char out_buf
[6 + 9 + 24 + 2];
314 unsigned char buf
[MD5_DIGEST_LENGTH
];
315 char ascii_magic
[5]; /* "apr1" plus '\0' */
316 char ascii_salt
[9]; /* Max 8 chars plus '\0' */
317 char *ascii_passwd
= NULL
;
321 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
322 size_t passwd_len
, salt_len
, magic_len
;
324 passwd_len
= strlen(passwd
);
327 magic_len
= strlen(magic
);
328 OPENSSL_strlcpy(ascii_magic
, magic
, sizeof ascii_magic
);
329 #ifdef CHARSET_EBCDIC
330 if ((magic
[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
331 ebcdic2ascii(ascii_magic
, ascii_magic
, magic_len
);
334 /* The salt gets truncated to 8 chars */
335 OPENSSL_strlcpy(ascii_salt
, salt
, sizeof ascii_salt
);
336 salt_len
= strlen(ascii_salt
);
337 #ifdef CHARSET_EBCDIC
338 ebcdic2ascii(ascii_salt
, ascii_salt
, salt_len
);
341 #ifdef CHARSET_EBCDIC
342 ascii_passwd
= OPENSSL_strdup(passwd
);
343 if (ascii_passwd
== NULL
)
345 ebcdic2ascii(ascii_passwd
, ascii_passwd
, passwd_len
);
346 passwd
= ascii_passwd
;
350 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof out_buf
);
352 if (magic_len
> 4) /* assert it's "1" or "apr1" */
355 OPENSSL_strlcat(out_buf
, ascii_magic
, sizeof out_buf
);
356 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof out_buf
);
359 OPENSSL_strlcat(out_buf
, ascii_salt
, sizeof out_buf
);
361 if (strlen(out_buf
) > 6 + 8) /* assert "$apr1$..salt.." */
366 salt_out
+= 2 + magic_len
;
371 md
= EVP_MD_CTX_new();
373 || !EVP_DigestInit_ex(md
, EVP_md5(), NULL
)
374 || !EVP_DigestUpdate(md
, passwd
, passwd_len
))
378 if (!EVP_DigestUpdate(md
, ascii_dollar
, 1)
379 || !EVP_DigestUpdate(md
, ascii_magic
, magic_len
)
380 || !EVP_DigestUpdate(md
, ascii_dollar
, 1))
383 if (!EVP_DigestUpdate(md
, ascii_salt
, salt_len
))
386 md2
= EVP_MD_CTX_new();
388 || !EVP_DigestInit_ex(md2
, EVP_md5(), NULL
)
389 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
390 || !EVP_DigestUpdate(md2
, ascii_salt
, salt_len
)
391 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
392 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
395 for (i
= passwd_len
; i
> sizeof buf
; i
-= sizeof buf
) {
396 if (!EVP_DigestUpdate(md
, buf
, sizeof buf
))
399 if (!EVP_DigestUpdate(md
, buf
, i
))
404 if (!EVP_DigestUpdate(md
, (n
& 1) ? "\0" : passwd
, 1))
408 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
411 for (i
= 0; i
< 1000; i
++) {
412 if (!EVP_DigestInit_ex(md2
, EVP_md5(), NULL
))
414 if (!EVP_DigestUpdate(md2
,
415 (i
& 1) ? (unsigned const char *)passwd
: buf
,
416 (i
& 1) ? passwd_len
: sizeof buf
))
419 if (!EVP_DigestUpdate(md2
, ascii_salt
, salt_len
))
423 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
426 if (!EVP_DigestUpdate(md2
,
427 (i
& 1) ? buf
: (unsigned const char *)passwd
,
428 (i
& 1) ? sizeof buf
: passwd_len
))
430 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
433 EVP_MD_CTX_free(md2
);
439 /* transform buf into output string */
440 unsigned char buf_perm
[sizeof buf
];
444 /* silly output permutation */
445 for (dest
= 0, source
= 0; dest
< 14;
446 dest
++, source
= (source
+ 6) % 17)
447 buf_perm
[dest
] = buf
[source
];
448 buf_perm
[14] = buf
[5];
449 buf_perm
[15] = buf
[11];
450 # ifndef PEDANTIC /* Unfortunately, this generates a "no
452 assert(16 == sizeof buf_perm
);
455 output
= salt_out
+ salt_len
;
456 assert(output
== out_buf
+ strlen(out_buf
));
458 *output
++ = ascii_dollar
[0];
460 for (i
= 0; i
< 15; i
+= 3) {
461 *output
++ = cov_2char
[buf_perm
[i
+ 2] & 0x3f];
462 *output
++ = cov_2char
[((buf_perm
[i
+ 1] & 0xf) << 2) |
463 (buf_perm
[i
+ 2] >> 6)];
464 *output
++ = cov_2char
[((buf_perm
[i
] & 3) << 4) |
465 (buf_perm
[i
+ 1] >> 4)];
466 *output
++ = cov_2char
[buf_perm
[i
] >> 2];
469 *output
++ = cov_2char
[buf_perm
[i
] & 0x3f];
470 *output
++ = cov_2char
[buf_perm
[i
] >> 6];
472 assert(strlen(out_buf
) < sizeof(out_buf
));
473 #ifdef CHARSET_EBCDIC
474 ascii2ebcdic(out_buf
, out_buf
, strlen(out_buf
));
481 OPENSSL_free(ascii_passwd
);
482 EVP_MD_CTX_free(md2
);
488 * SHA based password algorithm, describe by Ulrich Drepper here:
489 * https://www.akkadia.org/drepper/SHA-crypt.txt
490 * (note that it's in the public domain)
492 static char *shacrypt(const char *passwd
, const char *magic
, const char *salt
)
494 /* Prefix for optional rounds specification. */
495 static const char rounds_prefix
[] = "rounds=";
496 /* Maximum salt string length. */
497 # define SALT_LEN_MAX 16
498 /* Default number of rounds if not explicitly specified. */
499 # define ROUNDS_DEFAULT 5000
500 /* Minimum number of rounds. */
501 # define ROUNDS_MIN 1000
502 /* Maximum number of rounds. */
503 # define ROUNDS_MAX 999999999
505 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
506 static char out_buf
[3 + 17 + 17 + 86 + 1];
507 unsigned char buf
[SHA512_DIGEST_LENGTH
];
508 unsigned char temp_buf
[SHA512_DIGEST_LENGTH
];
511 char ascii_salt
[17]; /* Max 16 chars plus '\0' */
512 char *ascii_passwd
= NULL
;
514 EVP_MD_CTX
*md
= NULL
, *md2
= NULL
;
515 const EVP_MD
*sha
= NULL
;
516 size_t passwd_len
, salt_len
, magic_len
;
517 unsigned int rounds
= 5000; /* Default */
518 char rounds_custom
= 0;
519 char *p_bytes
= NULL
;
520 char *s_bytes
= NULL
;
523 passwd_len
= strlen(passwd
);
524 magic_len
= strlen(magic
);
526 /* assert it's "5" or "6" */
543 if (strncmp(salt
, rounds_prefix
, sizeof(rounds_prefix
) - 1) == 0) {
544 const char *num
= salt
+ sizeof(rounds_prefix
) - 1;
546 unsigned long int srounds
= strtoul (num
, &endp
, 10);
549 if (srounds
> ROUNDS_MAX
)
551 else if (srounds
< ROUNDS_MIN
)
554 rounds
= (unsigned int)srounds
;
561 OPENSSL_strlcpy(ascii_magic
, magic
, sizeof ascii_magic
);
562 #ifdef CHARSET_EBCDIC
563 if ((magic
[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
564 ebcdic2ascii(ascii_magic
, ascii_magic
, magic_len
);
567 /* The salt gets truncated to 16 chars */
568 OPENSSL_strlcpy(ascii_salt
, salt
, sizeof ascii_salt
);
569 salt_len
= strlen(ascii_salt
);
570 #ifdef CHARSET_EBCDIC
571 ebcdic2ascii(ascii_salt
, ascii_salt
, salt_len
);
574 #ifdef CHARSET_EBCDIC
575 ascii_passwd
= OPENSSL_strdup(passwd
);
576 if (ascii_passwd
== NULL
)
578 ebcdic2ascii(ascii_passwd
, ascii_passwd
, passwd_len
);
579 passwd
= ascii_passwd
;
583 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof out_buf
);
584 OPENSSL_strlcat(out_buf
, ascii_magic
, sizeof out_buf
);
585 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof out_buf
);
587 char tmp_buf
[80]; /* "rounds=999999999" */
588 sprintf(tmp_buf
, "rounds=%u", rounds
);
589 #ifdef CHARSET_EBCDIC
590 /* In case we're really on a ASCII based platform and just pretend */
591 if (tmp_buf
[0] != 0x72) /* ASCII 'r' */
592 ebcdic2ascii(tmp_buf
, tmp_buf
, strlen(tmp_buf
));
594 OPENSSL_strlcat(out_buf
, tmp_buf
, sizeof out_buf
);
595 OPENSSL_strlcat(out_buf
, ascii_dollar
, sizeof out_buf
);
597 OPENSSL_strlcat(out_buf
, ascii_salt
, sizeof out_buf
);
599 /* assert "$5$rounds=999999999$......salt......" */
600 if (strlen(out_buf
) > 3 + 17 * rounds_custom
+ salt_len
)
603 md
= EVP_MD_CTX_new();
605 || !EVP_DigestInit_ex(md
, sha
, NULL
)
606 || !EVP_DigestUpdate(md
, passwd
, passwd_len
)
607 || !EVP_DigestUpdate(md
, ascii_salt
, salt_len
))
610 md2
= EVP_MD_CTX_new();
612 || !EVP_DigestInit_ex(md2
, sha
, NULL
)
613 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
614 || !EVP_DigestUpdate(md2
, ascii_salt
, salt_len
)
615 || !EVP_DigestUpdate(md2
, passwd
, passwd_len
)
616 || !EVP_DigestFinal_ex(md2
, buf
, NULL
))
619 for (n
= passwd_len
; n
> buf_size
; n
-= buf_size
) {
620 if (!EVP_DigestUpdate(md
, buf
, buf_size
))
623 if (!EVP_DigestUpdate(md
, buf
, n
))
628 if (!EVP_DigestUpdate(md
,
629 (n
& 1) ? buf
: (unsigned const char *)passwd
,
630 (n
& 1) ? buf_size
: passwd_len
))
634 if (!EVP_DigestFinal_ex(md
, buf
, NULL
))
638 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
641 for (n
= passwd_len
; n
> 0; n
--)
642 if (!EVP_DigestUpdate(md2
, passwd
, passwd_len
))
645 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
648 if ((p_bytes
= OPENSSL_zalloc(passwd_len
)) == NULL
)
650 for (cp
= p_bytes
, n
= passwd_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
651 memcpy(cp
, temp_buf
, buf_size
);
652 memcpy(cp
, temp_buf
, n
);
655 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
658 for (n
= 16 + buf
[0]; n
> 0; n
--)
659 if (!EVP_DigestUpdate(md2
, ascii_salt
, salt_len
))
662 if (!EVP_DigestFinal_ex(md2
, temp_buf
, NULL
))
665 if ((s_bytes
= OPENSSL_zalloc(salt_len
)) == NULL
)
667 for (cp
= s_bytes
, n
= salt_len
; n
> buf_size
; n
-= buf_size
, cp
+= buf_size
)
668 memcpy(cp
, temp_buf
, buf_size
);
669 memcpy(cp
, temp_buf
, n
);
671 for (n
= 0; n
< rounds
; n
++) {
672 if (!EVP_DigestInit_ex(md2
, sha
, NULL
))
674 if (!EVP_DigestUpdate(md2
,
675 (n
& 1) ? (unsigned const char *)p_bytes
: buf
,
676 (n
& 1) ? passwd_len
: buf_size
))
679 if (!EVP_DigestUpdate(md2
, s_bytes
, salt_len
))
683 if (!EVP_DigestUpdate(md2
, p_bytes
, passwd_len
))
686 if (!EVP_DigestUpdate(md2
,
687 (n
& 1) ? buf
: (unsigned const char *)p_bytes
,
688 (n
& 1) ? buf_size
: passwd_len
))
690 if (!EVP_DigestFinal_ex(md2
, buf
, NULL
))
693 EVP_MD_CTX_free(md2
);
697 OPENSSL_free(p_bytes
);
698 OPENSSL_free(s_bytes
);
702 cp
= out_buf
+ strlen(out_buf
);
703 *cp
++ = ascii_dollar
[0];
705 # define b64_from_24bit(B2, B1, B0, N) \
707 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
711 *cp++ = cov_2char[w & 0x3f]; \
718 b64_from_24bit (buf
[0], buf
[10], buf
[20], 4);
719 b64_from_24bit (buf
[21], buf
[1], buf
[11], 4);
720 b64_from_24bit (buf
[12], buf
[22], buf
[2], 4);
721 b64_from_24bit (buf
[3], buf
[13], buf
[23], 4);
722 b64_from_24bit (buf
[24], buf
[4], buf
[14], 4);
723 b64_from_24bit (buf
[15], buf
[25], buf
[5], 4);
724 b64_from_24bit (buf
[6], buf
[16], buf
[26], 4);
725 b64_from_24bit (buf
[27], buf
[7], buf
[17], 4);
726 b64_from_24bit (buf
[18], buf
[28], buf
[8], 4);
727 b64_from_24bit (buf
[9], buf
[19], buf
[29], 4);
728 b64_from_24bit (0, buf
[31], buf
[30], 3);
731 b64_from_24bit (buf
[0], buf
[21], buf
[42], 4);
732 b64_from_24bit (buf
[22], buf
[43], buf
[1], 4);
733 b64_from_24bit (buf
[44], buf
[2], buf
[23], 4);
734 b64_from_24bit (buf
[3], buf
[24], buf
[45], 4);
735 b64_from_24bit (buf
[25], buf
[46], buf
[4], 4);
736 b64_from_24bit (buf
[47], buf
[5], buf
[26], 4);
737 b64_from_24bit (buf
[6], buf
[27], buf
[48], 4);
738 b64_from_24bit (buf
[28], buf
[49], buf
[7], 4);
739 b64_from_24bit (buf
[50], buf
[8], buf
[29], 4);
740 b64_from_24bit (buf
[9], buf
[30], buf
[51], 4);
741 b64_from_24bit (buf
[31], buf
[52], buf
[10], 4);
742 b64_from_24bit (buf
[53], buf
[11], buf
[32], 4);
743 b64_from_24bit (buf
[12], buf
[33], buf
[54], 4);
744 b64_from_24bit (buf
[34], buf
[55], buf
[13], 4);
745 b64_from_24bit (buf
[56], buf
[14], buf
[35], 4);
746 b64_from_24bit (buf
[15], buf
[36], buf
[57], 4);
747 b64_from_24bit (buf
[37], buf
[58], buf
[16], 4);
748 b64_from_24bit (buf
[59], buf
[17], buf
[38], 4);
749 b64_from_24bit (buf
[18], buf
[39], buf
[60], 4);
750 b64_from_24bit (buf
[40], buf
[61], buf
[19], 4);
751 b64_from_24bit (buf
[62], buf
[20], buf
[41], 4);
752 b64_from_24bit (0, 0, buf
[63], 2);
758 #ifdef CHARSET_EBCDIC
759 ascii2ebcdic(out_buf
, out_buf
, strlen(out_buf
));
765 EVP_MD_CTX_free(md2
);
767 OPENSSL_free(p_bytes
);
768 OPENSSL_free(s_bytes
);
769 OPENSSL_free(ascii_passwd
);
773 static int do_passwd(int passed_salt
, char **salt_p
, char **salt_malloc_p
,
774 char *passwd
, BIO
*out
, int quiet
, int table
,
775 int reverse
, size_t pw_maxlen
, passwd_modes mode
)
779 assert(salt_p
!= NULL
);
780 assert(salt_malloc_p
!= NULL
);
782 /* first make sure we have a salt */
787 #ifndef OPENSSL_NO_DES
788 if (mode
== passwd_crypt
)
790 #endif /* !OPENSSL_NO_DES */
792 if (mode
== passwd_md5
|| mode
== passwd_apr1
|| mode
== passwd_aixmd5
)
795 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
798 assert(saltlen
!= 0);
800 if (*salt_malloc_p
== NULL
)
801 *salt_p
= *salt_malloc_p
= app_malloc(saltlen
+ 1, "salt buffer");
802 if (RAND_bytes((unsigned char *)*salt_p
, saltlen
) <= 0)
805 for (i
= 0; i
< saltlen
; i
++)
806 (*salt_p
)[i
] = cov_2char
[(*salt_p
)[i
] & 0x3f]; /* 6 bits */
808 # ifdef CHARSET_EBCDIC
809 /* The password encryption funtion will convert back to ASCII */
810 ascii2ebcdic(*salt_p
, *salt_p
, saltlen
);
814 assert(*salt_p
!= NULL
);
816 /* truncate password if necessary */
817 if ((strlen(passwd
) > pw_maxlen
)) {
820 * XXX: really we should know how to print a size_t, not cast it
823 "Warning: truncating password to %u characters\n",
824 (unsigned)pw_maxlen
);
825 passwd
[pw_maxlen
] = 0;
827 assert(strlen(passwd
) <= pw_maxlen
);
829 /* now compute password hash */
830 #ifndef OPENSSL_NO_DES
831 if (mode
== passwd_crypt
)
832 hash
= DES_crypt(passwd
, *salt_p
);
834 if (mode
== passwd_md5
|| mode
== passwd_apr1
)
835 hash
= md5crypt(passwd
, (mode
== passwd_md5
? "1" : "apr1"), *salt_p
);
836 if (mode
== passwd_aixmd5
)
837 hash
= md5crypt(passwd
, "", *salt_p
);
838 if (mode
== passwd_sha256
|| mode
== passwd_sha512
)
839 hash
= shacrypt(passwd
, (mode
== passwd_sha256
? "5" : "6"), *salt_p
);
840 assert(hash
!= NULL
);
842 if (table
&& !reverse
)
843 BIO_printf(out
, "%s\t%s\n", passwd
, hash
);
844 else if (table
&& reverse
)
845 BIO_printf(out
, "%s\t%s\n", hash
, passwd
);
847 BIO_printf(out
, "%s\n", hash
);