3
#if defined OPENSSL_NO_MD5 || defined CHARSET_EBCDIC
7
#if !defined(OPENSSL_NO_DES) || !defined(NO_MD5CRYPT_1)
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
# ifndef NO_MD5CRYPT_1
22
# include <openssl/md5.h>
26
# define PROG passwd_main
28
static unsigned const char cov_2char[64] = {
29
/* from crypto/des/fcrypt.c */
30
0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
31
0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
32
0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
33
0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
34
0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
35
0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
36
0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
37
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
40
static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
41
char *passwd, BIO *out, int quiet, int table,
42
int reverse, size_t pw_maxlen, int usecrypt, int use1,
46
* -crypt - standard Unix password algorithm (default)
47
* -1 - MD5-based password algorithm
48
* -apr1 - MD5-based password algorithm, Apache variant
50
* -in file - read passwords from file
51
* -stdin - read passwords from stdin
52
* -noverify - never verify when reading password from terminal
53
* -quiet - no warnings
54
* -table - format output as table
55
* -reverse - switch table columns
58
int MAIN(int, char **);
60
int MAIN(int argc, char **argv)
66
char *salt = NULL, *passwd = NULL, **passwds = NULL;
67
char *salt_malloc = NULL, *passwd_malloc = NULL;
68
size_t passwd_malloc_size = 0;
69
int pw_source_defined = 0;
70
BIO *in = NULL, *out = NULL;
71
int i, badopt, opt_done;
72
int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
73
int usecrypt = 0, use1 = 0, useapr1 = 0;
79
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
80
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
82
if (!load_config(bio_err, NULL))
84
out = BIO_new(BIO_s_file());
87
BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
88
# ifdef OPENSSL_SYS_VMS
90
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
91
out = BIO_push(tmpbio, out);
95
badopt = 0, opt_done = 0;
97
while (!badopt && !opt_done && argv[++i] != NULL) {
98
if (strcmp(argv[i], "-crypt") == 0)
100
else if (strcmp(argv[i], "-1") == 0)
102
else if (strcmp(argv[i], "-apr1") == 0)
104
else if (strcmp(argv[i], "-salt") == 0) {
105
if ((argv[i + 1] != NULL) && (salt == NULL)) {
110
} else if (strcmp(argv[i], "-in") == 0) {
111
if ((argv[i + 1] != NULL) && !pw_source_defined) {
112
pw_source_defined = 1;
116
} else if (strcmp(argv[i], "-stdin") == 0) {
117
if (!pw_source_defined) {
118
pw_source_defined = 1;
122
} else if (strcmp(argv[i], "-noverify") == 0)
124
else if (strcmp(argv[i], "-quiet") == 0)
126
else if (strcmp(argv[i], "-table") == 0)
128
else if (strcmp(argv[i], "-reverse") == 0)
130
else if (argv[i][0] == '-')
132
else if (!pw_source_defined)
133
/* non-option arguments, use as passwords */
135
pw_source_defined = 1;
142
if (!usecrypt && !use1 && !useapr1) /* use default */
144
if (usecrypt + use1 + useapr1 > 1) /* conflict */
147
/* reject unsupported algorithms */
148
# ifdef OPENSSL_NO_DES
152
# ifdef NO_MD5CRYPT_1
158
BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
159
BIO_printf(bio_err, "where options are\n");
160
# ifndef OPENSSL_NO_DES
162
"-crypt standard Unix password algorithm (default)\n");
164
# ifndef NO_MD5CRYPT_1
166
"-1 MD5-based password algorithm\n");
168
"-apr1 MD5-based password algorithm, Apache variant\n");
170
BIO_printf(bio_err, "-salt string use provided salt\n");
171
BIO_printf(bio_err, "-in file read passwords from file\n");
172
BIO_printf(bio_err, "-stdin read passwords from stdin\n");
174
"-noverify never verify when reading password from terminal\n");
175
BIO_printf(bio_err, "-quiet no warnings\n");
176
BIO_printf(bio_err, "-table format output as table\n");
177
BIO_printf(bio_err, "-reverse switch table columns\n");
182
if ((infile != NULL) || in_stdin) {
183
in = BIO_new(BIO_s_file());
186
if (infile != NULL) {
187
assert(in_stdin == 0);
188
if (BIO_read_filename(in, infile) <= 0)
192
BIO_set_fp(in, stdin, BIO_NOCLOSE);
198
else if (use1 || useapr1)
199
pw_maxlen = 256; /* arbitrary limit, should be enough for most
202
if (passwds == NULL) {
203
/* no passwords on the command line */
205
passwd_malloc_size = pw_maxlen + 2;
207
* longer than necessary so that we can warn about truncation
209
passwd = passwd_malloc = OPENSSL_malloc(passwd_malloc_size);
210
if (passwd_malloc == NULL)
214
if ((in == NULL) && (passwds == NULL)) {
215
/* build a null-terminated list */
216
static char *passwds_static[2] = { NULL, NULL };
218
passwds = passwds_static;
220
if (EVP_read_pw_string
221
(passwd_malloc, passwd_malloc_size, "Password: ",
222
!(passed_salt || in_noverify)) != 0)
224
passwds[0] = passwd_malloc;
228
assert(passwds != NULL);
229
assert(*passwds != NULL);
231
do { /* loop over list of passwords */
233
if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
234
quiet, table, reverse, pw_maxlen, usecrypt, use1,
238
while (*passwds != NULL);
244
assert(passwd != NULL);
246
int r = BIO_gets(in, passwd, pw_maxlen + 1);
248
char *c = (strchr(passwd, '\n'));
250
*c = 0; /* truncate at newline */
252
/* ignore rest of line */
255
r = BIO_gets(in, trash, sizeof trash);
256
while ((r > 0) && (!strchr(trash, '\n')));
259
if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
260
quiet, table, reverse, pw_maxlen, usecrypt,
271
ERR_print_errors(bio_err);
273
OPENSSL_free(salt_malloc);
275
OPENSSL_free(passwd_malloc);
284
# ifndef NO_MD5CRYPT_1
286
* MD5-based password algorithm (should probably be available as a library
287
* function; then the static buffer would not be acceptable). For magic
288
* string "1", this should be compatible to the MD5-based BSD password
289
* algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
290
* Apache password algorithm. (Apparently, the Apache password algorithm is
291
* identical except that the 'magic' string was changed -- the laziest
292
* application of the NIH principle I've ever encountered.)
294
static char *md5crypt(const char *passwd, const char *magic, const char *salt)
296
/* "$apr1$..salt..$.......md5hash..........\0" */
297
static char out_buf[6 + 9 + 24 + 2];
298
unsigned char buf[MD5_DIGEST_LENGTH];
303
size_t passwd_len, salt_len;
305
passwd_len = strlen(passwd);
308
assert(strlen(magic) <= 4); /* "1" or "apr1" */
309
strncat(out_buf, magic, 4);
310
strncat(out_buf, "$", 1);
311
strncat(out_buf, salt, 8);
312
assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
313
salt_out = out_buf + 2 + strlen(magic);
314
salt_len = strlen(salt_out);
315
assert(salt_len <= 8);
317
EVP_MD_CTX_init(&md);
318
EVP_DigestInit_ex(&md, EVP_md5(), NULL);
319
EVP_DigestUpdate(&md, passwd, passwd_len);
320
EVP_DigestUpdate(&md, "$", 1);
321
EVP_DigestUpdate(&md, magic, strlen(magic));
322
EVP_DigestUpdate(&md, "$", 1);
323
EVP_DigestUpdate(&md, salt_out, salt_len);
325
EVP_MD_CTX_init(&md2);
326
EVP_DigestInit_ex(&md2, EVP_md5(), NULL);
327
EVP_DigestUpdate(&md2, passwd, passwd_len);
328
EVP_DigestUpdate(&md2, salt_out, salt_len);
329
EVP_DigestUpdate(&md2, passwd, passwd_len);
330
EVP_DigestFinal_ex(&md2, buf, NULL);
332
for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
333
EVP_DigestUpdate(&md, buf, sizeof buf);
334
EVP_DigestUpdate(&md, buf, i);
338
EVP_DigestUpdate(&md, (n & 1) ? "\0" : passwd, 1);
341
EVP_DigestFinal_ex(&md, buf, NULL);
343
for (i = 0; i < 1000; i++) {
344
EVP_DigestInit_ex(&md2, EVP_md5(), NULL);
345
EVP_DigestUpdate(&md2, (i & 1) ? (unsigned const char *)passwd : buf,
346
(i & 1) ? passwd_len : sizeof buf);
348
EVP_DigestUpdate(&md2, salt_out, salt_len);
350
EVP_DigestUpdate(&md2, passwd, passwd_len);
351
EVP_DigestUpdate(&md2, (i & 1) ? buf : (unsigned const char *)passwd,
352
(i & 1) ? sizeof buf : passwd_len);
353
EVP_DigestFinal_ex(&md2, buf, NULL);
355
EVP_MD_CTX_cleanup(&md2);
358
/* transform buf into output string */
360
unsigned char buf_perm[sizeof buf];
364
/* silly output permutation */
365
for (dest = 0, source = 0; dest < 14;
366
dest++, source = (source + 6) % 17)
367
buf_perm[dest] = buf[source];
368
buf_perm[14] = buf[5];
369
buf_perm[15] = buf[11];
370
# ifndef PEDANTIC /* Unfortunately, this generates a "no
372
assert(16 == sizeof buf_perm);
375
output = salt_out + salt_len;
376
assert(output == out_buf + strlen(out_buf));
380
for (i = 0; i < 15; i += 3) {
381
*output++ = cov_2char[buf_perm[i + 2] & 0x3f];
382
*output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
383
(buf_perm[i + 2] >> 6)];
384
*output++ = cov_2char[((buf_perm[i] & 3) << 4) |
385
(buf_perm[i + 1] >> 4)];
386
*output++ = cov_2char[buf_perm[i] >> 2];
389
*output++ = cov_2char[buf_perm[i] & 0x3f];
390
*output++ = cov_2char[buf_perm[i] >> 6];
392
assert(strlen(out_buf) < sizeof(out_buf));
394
EVP_MD_CTX_cleanup(&md);
400
static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
401
char *passwd, BIO *out, int quiet, int table,
402
int reverse, size_t pw_maxlen, int usecrypt, int use1,
407
assert(salt_p != NULL);
408
assert(salt_malloc_p != NULL);
410
/* first make sure we have a salt */
412
# ifndef OPENSSL_NO_DES
414
if (*salt_malloc_p == NULL) {
415
*salt_p = *salt_malloc_p = OPENSSL_malloc(3);
416
if (*salt_malloc_p == NULL)
419
if (RAND_pseudo_bytes((unsigned char *)*salt_p, 2) < 0)
421
(*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
422
(*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
424
# ifdef CHARSET_EBCDIC
425
ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert back
429
# endif /* !OPENSSL_NO_DES */
431
# ifndef NO_MD5CRYPT_1
432
if (use1 || useapr1) {
435
if (*salt_malloc_p == NULL) {
436
*salt_p = *salt_malloc_p = OPENSSL_malloc(9);
437
if (*salt_malloc_p == NULL)
440
if (RAND_pseudo_bytes((unsigned char *)*salt_p, 8) < 0)
443
for (i = 0; i < 8; i++)
444
(*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
447
# endif /* !NO_MD5CRYPT_1 */
450
assert(*salt_p != NULL);
452
/* truncate password if necessary */
453
if ((strlen(passwd) > pw_maxlen)) {
456
* XXX: really we should know how to print a size_t, not cast it
459
"Warning: truncating password to %u characters\n",
460
(unsigned)pw_maxlen);
461
passwd[pw_maxlen] = 0;
463
assert(strlen(passwd) <= pw_maxlen);
465
/* now compute password hash */
466
# ifndef OPENSSL_NO_DES
468
hash = DES_crypt(passwd, *salt_p);
470
# ifndef NO_MD5CRYPT_1
472
hash = md5crypt(passwd, (use1 ? "1" : "apr1"), *salt_p);
474
assert(hash != NULL);
476
if (table && !reverse)
477
BIO_printf(out, "%s\t%s\n", passwd, hash);
478
else if (table && reverse)
479
BIO_printf(out, "%s\t%s\n", hash, passwd);
481
BIO_printf(out, "%s\n", hash);
489
int MAIN(int argc, char **argv)
491
fputs("Program not available.\n", stderr)