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>
22 # include <openssl/md5.h>
27 #define PROG passwd_main
30 static unsigned const char cov_2char[64]={
31 /* from crypto/des/fcrypt.c */
32 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
33 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
34 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
35 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
36 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
37 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
38 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
39 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
42 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
43 char *passwd, BIO *out, int quiet, int table, int reverse,
44 size_t pw_maxlen, int usecrypt, int use1, int useapr1);
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)
99 if (strcmp(argv[i], "-crypt") == 0)
101 else if (strcmp(argv[i], "-1") == 0)
103 else if (strcmp(argv[i], "-apr1") == 0)
105 else if (strcmp(argv[i], "-salt") == 0)
107 if ((argv[i+1] != NULL) && (salt == NULL))
115 else if (strcmp(argv[i], "-in") == 0)
117 if ((argv[i+1] != NULL) && !pw_source_defined)
119 pw_source_defined = 1;
125 else if (strcmp(argv[i], "-stdin") == 0)
127 if (!pw_source_defined)
129 pw_source_defined = 1;
135 else if (strcmp(argv[i], "-noverify") == 0)
137 else if (strcmp(argv[i], "-quiet") == 0)
139 else if (strcmp(argv[i], "-table") == 0)
141 else if (strcmp(argv[i], "-reverse") == 0)
143 else if (argv[i][0] == '-')
145 else if (!pw_source_defined)
146 /* non-option arguments, use as passwords */
148 pw_source_defined = 1;
156 if (!usecrypt && !use1 && !useapr1) /* use default */
158 if (usecrypt + use1 + useapr1 > 1) /* conflict */
161 /* reject unsupported algorithms */
162 #ifdef OPENSSL_NO_DES
163 if (usecrypt) badopt = 1;
166 if (use1 || useapr1) badopt = 1;
171 BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
172 BIO_printf(bio_err, "where options are\n");
173 #ifndef OPENSSL_NO_DES
174 BIO_printf(bio_err, "-crypt standard Unix password algorithm (default)\n");
176 #ifndef NO_MD5CRYPT_1
177 BIO_printf(bio_err, "-1 MD5-based password algorithm\n");
178 BIO_printf(bio_err, "-apr1 MD5-based password algorithm, Apache variant\n");
180 BIO_printf(bio_err, "-salt string use provided salt\n");
181 BIO_printf(bio_err, "-in file read passwords from file\n");
182 BIO_printf(bio_err, "-stdin read passwords from stdin\n");
183 BIO_printf(bio_err, "-noverify never verify when reading password from terminal\n");
184 BIO_printf(bio_err, "-quiet no warnings\n");
185 BIO_printf(bio_err, "-table format output as table\n");
186 BIO_printf(bio_err, "-reverse switch table columns\n");
191 if ((infile != NULL) || in_stdin)
193 in = BIO_new(BIO_s_file());
198 assert(in_stdin == 0);
199 if (BIO_read_filename(in, infile) <= 0)
205 BIO_set_fp(in, stdin, BIO_NOCLOSE);
211 else if (use1 || useapr1)
212 pw_maxlen = 256; /* arbitrary limit, should be enough for most passwords */
216 /* no passwords on the command line */
218 passwd_malloc_size = pw_maxlen + 2;
219 /* longer than necessary so that we can warn about truncation */
220 passwd = passwd_malloc = OPENSSL_malloc(passwd_malloc_size);
221 if (passwd_malloc == NULL)
225 if ((in == NULL) && (passwds == NULL))
227 /* build a null-terminated list */
228 static char *passwds_static[2] = {NULL, NULL};
230 passwds = passwds_static;
232 if (EVP_read_pw_string(passwd_malloc, passwd_malloc_size, "Password: ", !(passed_salt || in_noverify)) != 0)
234 passwds[0] = passwd_malloc;
239 assert(passwds != NULL);
240 assert(*passwds != NULL);
242 do /* loop over list of passwords */
245 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
246 quiet, table, reverse, pw_maxlen, usecrypt, use1, useapr1))
249 while (*passwds != NULL);
256 assert (passwd != NULL);
259 int r = BIO_gets(in, passwd, pw_maxlen + 1);
262 char *c = (strchr(passwd, '\n')) ;
264 *c = 0; /* truncate at newline */
267 /* ignore rest of line */
270 r = BIO_gets(in, trash, sizeof trash);
271 while ((r > 0) && (!strchr(trash, '\n')));
274 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
275 quiet, table, reverse, pw_maxlen, usecrypt, use1, useapr1))
285 ERR_print_errors(bio_err);
287 OPENSSL_free(salt_malloc);
289 OPENSSL_free(passwd_malloc);
299 #ifndef NO_MD5CRYPT_1
300 /* MD5-based password algorithm (should probably be available as a library
301 * function; then the static buffer would not be acceptable).
302 * For magic string "1", this should be compatible to the MD5-based BSD
303 * password algorithm.
304 * For 'magic' string "apr1", this is compatible to the MD5-based Apache
305 * password algorithm.
306 * (Apparently, the Apache password algorithm is identical except that the
307 * 'magic' string was changed -- the laziest application of the NIH principle
308 * I've ever encountered.)
310 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
312 static char out_buf[6 + 9 + 24 + 2]; /* "$apr1$..salt..$.......md5hash..........\0" */
313 unsigned char buf[MD5_DIGEST_LENGTH];
318 size_t passwd_len, salt_len;
320 passwd_len = strlen(passwd);
323 assert(strlen(magic) <= 4); /* "1" or "apr1" */
324 strncat(out_buf, magic, 4);
325 strncat(out_buf, "$", 1);
326 strncat(out_buf, salt, 8);
327 assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
328 salt_out = out_buf + 2 + strlen(magic);
329 salt_len = strlen(salt_out);
330 assert(salt_len <= 8);
332 EVP_MD_CTX_init(&md);
333 EVP_DigestInit_ex(&md,EVP_md5(), NULL);
334 EVP_DigestUpdate(&md, passwd, passwd_len);
335 EVP_DigestUpdate(&md, "$", 1);
336 EVP_DigestUpdate(&md, magic, strlen(magic));
337 EVP_DigestUpdate(&md, "$", 1);
338 EVP_DigestUpdate(&md, salt_out, salt_len);
340 EVP_MD_CTX_init(&md2);
341 EVP_DigestInit_ex(&md2,EVP_md5(), NULL);
342 EVP_DigestUpdate(&md2, passwd, passwd_len);
343 EVP_DigestUpdate(&md2, salt_out, salt_len);
344 EVP_DigestUpdate(&md2, passwd, passwd_len);
345 EVP_DigestFinal_ex(&md2, buf, NULL);
347 for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
348 EVP_DigestUpdate(&md, buf, sizeof buf);
349 EVP_DigestUpdate(&md, buf, i);
354 EVP_DigestUpdate(&md, (n & 1) ? "\0" : passwd, 1);
357 EVP_DigestFinal_ex(&md, buf, NULL);
359 for (i = 0; i < 1000; i++)
361 EVP_DigestInit_ex(&md2,EVP_md5(), NULL);
362 EVP_DigestUpdate(&md2, (i & 1) ? (unsigned const char *) passwd : buf,
363 (i & 1) ? passwd_len : sizeof buf);
365 EVP_DigestUpdate(&md2, salt_out, salt_len);
367 EVP_DigestUpdate(&md2, passwd, passwd_len);
368 EVP_DigestUpdate(&md2, (i & 1) ? buf : (unsigned const char *) passwd,
369 (i & 1) ? sizeof buf : passwd_len);
370 EVP_DigestFinal_ex(&md2, buf, NULL);
372 EVP_MD_CTX_cleanup(&md2);
375 /* transform buf into output string */
377 unsigned char buf_perm[sizeof buf];
381 /* silly output permutation */
382 for (dest = 0, source = 0; dest < 14; dest++, source = (source + 6) % 17)
383 buf_perm[dest] = buf[source];
384 buf_perm[14] = buf[5];
385 buf_perm[15] = buf[11];
386 #ifndef PEDANTIC /* Unfortunately, this generates a "no effect" warning */
387 assert(16 == sizeof buf_perm);
390 output = salt_out + salt_len;
391 assert(output == out_buf + strlen(out_buf));
395 for (i = 0; i < 15; i += 3)
397 *output++ = cov_2char[buf_perm[i+2] & 0x3f];
398 *output++ = cov_2char[((buf_perm[i+1] & 0xf) << 2) |
399 (buf_perm[i+2] >> 6)];
400 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
401 (buf_perm[i+1] >> 4)];
402 *output++ = cov_2char[buf_perm[i] >> 2];
405 *output++ = cov_2char[buf_perm[i] & 0x3f];
406 *output++ = cov_2char[buf_perm[i] >> 6];
408 assert(strlen(out_buf) < sizeof(out_buf));
410 EVP_MD_CTX_cleanup(&md);
417 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
418 char *passwd, BIO *out, int quiet, int table, int reverse,
419 size_t pw_maxlen, int usecrypt, int use1, int useapr1)
423 assert(salt_p != NULL);
424 assert(salt_malloc_p != NULL);
426 /* first make sure we have a salt */
429 #ifndef OPENSSL_NO_DES
432 if (*salt_malloc_p == NULL)
434 *salt_p = *salt_malloc_p = OPENSSL_malloc(3);
435 if (*salt_malloc_p == NULL)
438 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 2) < 0)
440 (*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
441 (*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
443 #ifdef CHARSET_EBCDIC
444 ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert
448 #endif /* !OPENSSL_NO_DES */
450 #ifndef NO_MD5CRYPT_1
455 if (*salt_malloc_p == NULL)
457 *salt_p = *salt_malloc_p = OPENSSL_malloc(9);
458 if (*salt_malloc_p == NULL)
461 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 8) < 0)
464 for (i = 0; i < 8; i++)
465 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
468 #endif /* !NO_MD5CRYPT_1 */
471 assert(*salt_p != NULL);
473 /* truncate password if necessary */
474 if ((strlen(passwd) > pw_maxlen))
477 /* XXX: really we should know how to print a size_t, not cast it */
478 BIO_printf(bio_err, "Warning: truncating password to %u characters\n", (unsigned)pw_maxlen);
479 passwd[pw_maxlen] = 0;
481 assert(strlen(passwd) <= pw_maxlen);
483 /* now compute password hash */
484 #ifndef OPENSSL_NO_DES
486 hash = DES_crypt(passwd, *salt_p);
488 #ifndef NO_MD5CRYPT_1
490 hash = md5crypt(passwd, (use1 ? "1" : "apr1"), *salt_p);
492 assert(hash != NULL);
494 if (table && !reverse)
495 BIO_printf(out, "%s\t%s\n", passwd, hash);
496 else if (table && reverse)
497 BIO_printf(out, "%s\t%s\n", hash, passwd);
499 BIO_printf(out, "%s\n", hash);
507 int MAIN(int argc, char **argv)
509 fputs("Program not available.\n", stderr)