3 #if defined NO_MD5 || defined CHARSET_EBCDIC
7 #if !defined(NO_DES) || !defined(NO_APR1)
14 #include <openssl/bio.h>
15 #include <openssl/err.h>
16 #include <openssl/evp.h>
17 #include <openssl/rand.h>
20 # include <openssl/des.h>
23 # include <openssl/md5.h>
28 #define PROG passwd_main
31 static unsigned const char cov_2char[64]={
32 /* from crypto/des/fcrypt.c */
33 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
34 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
35 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
36 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
37 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
38 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
39 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
40 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
43 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
44 char *passwd, BIO *out, int quiet, int table, int reverse,
45 size_t pw_maxlen, int usecrypt, int useapr1);
47 /* -crypt - standard Unix password algorithm (default, only choice)
48 * -apr1 - MD5-based password algorithm
50 * -in file - read passwords from file
51 * -stdin - read passwords from stdin
52 * -quiet - no warnings
53 * -table - format output as table
54 * -reverse - switch table columns
57 int MAIN(int, char **);
59 int MAIN(int argc, char **argv)
64 char *salt = NULL, *passwd = NULL, **passwds = NULL;
65 char *salt_malloc = NULL, *passwd_malloc = NULL;
66 int pw_source_defined = 0;
67 BIO *in = NULL, *out = NULL;
68 int i, badopt, opt_done;
69 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
70 int usecrypt = 0, useapr1 = 0;
76 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
77 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
78 out = BIO_new(BIO_s_file());
81 BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
83 badopt = 0, opt_done = 0;
85 while (!badopt && !opt_done && argv[++i] != NULL)
87 if (strcmp(argv[i], "-crypt") == 0)
89 else if (strcmp(argv[i], "-apr1") == 0)
91 else if (strcmp(argv[i], "-salt") == 0)
93 if ((argv[i+1] != NULL) && (salt == NULL))
101 else if (strcmp(argv[i], "-in") == 0)
103 if ((argv[i+1] != NULL) && !pw_source_defined)
105 pw_source_defined = 1;
111 else if (strcmp(argv[i], "-stdin") == 0)
113 if (!pw_source_defined)
115 pw_source_defined = 1;
121 else if (strcmp(argv[i], "-quiet") == 0)
123 else if (strcmp(argv[i], "-table") == 0)
125 else if (strcmp(argv[i], "-reverse") == 0)
127 else if (argv[i][0] == '-')
129 else if (!pw_source_defined)
130 /* non-option arguments, use as passwords */
132 pw_source_defined = 1;
140 if (!usecrypt && !useapr1) /* use default */
142 if (usecrypt + useapr1 > 1) /* conflict */
145 /* reject unsupported algorithms */
147 if (usecrypt) badopt = 1;
150 if (useapr1) badopt = 1;
155 BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
156 BIO_printf(bio_err, "where options are\n");
158 BIO_printf(bio_err, "-crypt standard Unix password algorithm (default)\n");
161 BIO_printf(bio_err, "-apr1 MD5-based password algorithm\n");
163 BIO_printf(bio_err, "-salt string use provided salt\n");
164 BIO_printf(bio_err, "-in file read passwords from file\n");
165 BIO_printf(bio_err, "-stdin read passwords from stdin\n");
166 BIO_printf(bio_err, "-quiet no warnings\n");
167 BIO_printf(bio_err, "-table format output as table\n");
168 BIO_printf(bio_err, "-reverse switch table columns\n");
173 if ((infile != NULL) || in_stdin)
175 in = BIO_new(BIO_s_file());
180 assert(in_stdin == 0);
181 if (BIO_read_filename(in, infile) <= 0)
187 BIO_set_fp(in, stdin, BIO_NOCLOSE);
194 pw_maxlen = 256; /* arbitrary limit, should be enough for most passwords */
198 /* no passwords on the command line */
199 passwd = passwd_malloc = Malloc(pw_maxlen + 1);
200 if (passwd_malloc == NULL)
204 if ((in == NULL) && (passwds == NULL))
206 /* build a null-terminated list */
207 static char *passwds_static[2] = {NULL, NULL};
209 passwds = passwds_static;
211 if (EVP_read_pw_string(passwd_malloc, pw_maxlen + 1, "Password: ", 0) != 0)
213 passwds[0] = passwd_malloc;
218 assert(passwds != NULL);
219 assert(*passwds != NULL);
221 do /* loop over list of passwords */
224 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
225 quiet, table, reverse, pw_maxlen, usecrypt, useapr1))
228 while (*passwds != NULL);
235 assert (passwd != NULL);
238 int r = BIO_gets(in, passwd, pw_maxlen + 1);
241 char *c = (strchr(passwd, '\n')) ;
243 *c = 0; /* truncate at newline */
246 /* ignore rest of line */
249 r = BIO_gets(in, trash, sizeof trash);
250 while ((r > 0) && (!strchr(trash, '\n')));
253 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
254 quiet, table, reverse, pw_maxlen, usecrypt, useapr1))
263 ERR_print_errors(bio_err);
277 /* MD5-based password algorithm compatible to the one found in Apache
278 * (should probably be available as a library function;
279 * then the static buffer would not be acceptable) */
280 static char *apr1_crypt(const char *passwd, const char *salt)
282 static char out_buf[6 + 9 + 24 + 2]; /* "$apr1$..salt..$.......md5hash..........\0" */
283 unsigned char buf[MD5_DIGEST_LENGTH];
287 size_t passwd_len, salt_len;
289 passwd_len = strlen(passwd);
290 strcpy(out_buf, "$apr1$");
291 strncat(out_buf, salt, 8);
292 assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
293 salt_out = out_buf + 6;
294 salt_len = strlen(salt_out);
295 assert(salt_len <= 8);
298 MD5_Update(&md, passwd, passwd_len);
299 MD5_Update(&md, "$apr1$", 6);
300 MD5_Update(&md, salt_out, salt_len);
306 MD5_Update(&md2, passwd, passwd_len);
307 MD5_Update(&md2, salt_out, salt_len);
308 MD5_Update(&md2, passwd, passwd_len);
309 MD5_Final(buf, &md2);
311 for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
312 MD5_Update(&md, buf, sizeof buf);
313 MD5_Update(&md, buf, i);
318 MD5_Update(&md, (n & 1) ? "\0" : passwd, 1);
323 for (i = 0; i < 1000; i++)
328 MD5_Update(&md2, (i & 1) ? (unsigned char *) passwd : buf,
329 (i & 1) ? passwd_len : sizeof buf);
331 MD5_Update(&md2, salt_out, salt_len);
333 MD5_Update(&md2, passwd, passwd_len);
334 MD5_Update(&md2, (i & 1) ? buf : (unsigned char *) passwd,
335 (i & 1) ? sizeof buf : passwd_len);
336 MD5_Final(buf, &md2);
340 /* transform buf into output string */
342 unsigned char buf_perm[sizeof buf];
346 /* silly output permutation */
347 for (dest = 0, source = 0; dest < 14; dest++, source = (source + 6) % 17)
348 buf_perm[dest] = buf[source];
349 buf_perm[14] = buf[5];
350 buf_perm[15] = buf[11];
351 #ifndef PEDANTIC /* Unfortunately, this generates a "no effect" warning */
352 assert(16 == sizeof buf_perm);
355 output = salt_out + salt_len;
356 assert(output == out_buf + strlen(out_buf));
360 for (i = 0; i < 15; i += 3)
362 *output++ = cov_2char[buf_perm[i+2] & 0x3f];
363 *output++ = cov_2char[((buf_perm[i+1] & 0xf) << 2) |
364 (buf_perm[i+2] >> 6)];
365 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
366 (buf_perm[i+1] >> 4)];
367 *output++ = cov_2char[buf_perm[i] >> 2];
370 *output++ = cov_2char[buf_perm[i] & 0x3f];
371 *output++ = cov_2char[buf_perm[i] >> 6];
373 assert(strlen(out_buf) < sizeof(out_buf));
381 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
382 char *passwd, BIO *out, int quiet, int table, int reverse,
383 size_t pw_maxlen, int usecrypt, int useapr1)
387 assert(salt_p != NULL);
388 assert(salt_malloc_p != NULL);
390 /* first make sure we have a salt */
396 if (*salt_malloc_p == NULL)
398 *salt_p = *salt_malloc_p = Malloc(3);
399 if (*salt_malloc_p == NULL)
402 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 2) < 0)
404 (*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
405 (*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
407 #ifdef CHARSET_EBCDIC
408 ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert
419 if (*salt_malloc_p == NULL)
421 *salt_p = *salt_malloc_p = Malloc(9);
422 if (*salt_malloc_p == NULL)
425 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 8) < 0)
428 for (i = 0; i < 8; i++)
429 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
432 #endif /* !NO_APR1 */
435 assert(*salt_p != NULL);
437 /* truncate password if necessary */
438 if ((strlen(passwd) > pw_maxlen))
441 BIO_printf(bio_err, "Warning: truncating password to %u characters\n", pw_maxlen);
442 passwd[pw_maxlen] = 0;
444 assert(strlen(passwd) <= pw_maxlen);
446 /* now compute password hash */
449 hash = des_crypt(passwd, *salt_p);
453 hash = apr1_crypt(passwd, *salt_p);
455 assert(hash != NULL);
457 if (table && !reverse)
458 BIO_printf(out, "%s\t%s\n", passwd, hash);
459 else if (table && reverse)
460 BIO_printf(out, "%s\t%s\n", hash, passwd);
462 BIO_printf(out, "%s\n", hash);
470 int MAIN(int argc, char **argv)
472 fputs("Program not available.\n", stderr)