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 size_t passwd_malloc_size = 0;
67 int pw_source_defined = 0;
68 BIO *in = NULL, *out = NULL;
69 int i, badopt, opt_done;
70 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
71 int usecrypt = 0, useapr1 = 0;
77 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
78 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
79 out = BIO_new(BIO_s_file());
82 BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
84 badopt = 0, opt_done = 0;
86 while (!badopt && !opt_done && argv[++i] != NULL)
88 if (strcmp(argv[i], "-crypt") == 0)
90 else if (strcmp(argv[i], "-apr1") == 0)
92 else if (strcmp(argv[i], "-salt") == 0)
94 if ((argv[i+1] != NULL) && (salt == NULL))
102 else if (strcmp(argv[i], "-in") == 0)
104 if ((argv[i+1] != NULL) && !pw_source_defined)
106 pw_source_defined = 1;
112 else if (strcmp(argv[i], "-stdin") == 0)
114 if (!pw_source_defined)
116 pw_source_defined = 1;
122 else if (strcmp(argv[i], "-quiet") == 0)
124 else if (strcmp(argv[i], "-table") == 0)
126 else if (strcmp(argv[i], "-reverse") == 0)
128 else if (argv[i][0] == '-')
130 else if (!pw_source_defined)
131 /* non-option arguments, use as passwords */
133 pw_source_defined = 1;
141 if (!usecrypt && !useapr1) /* use default */
143 if (usecrypt + useapr1 > 1) /* conflict */
146 /* reject unsupported algorithms */
148 if (usecrypt) badopt = 1;
151 if (useapr1) badopt = 1;
156 BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
157 BIO_printf(bio_err, "where options are\n");
159 BIO_printf(bio_err, "-crypt standard Unix password algorithm (default)\n");
162 BIO_printf(bio_err, "-apr1 MD5-based password algorithm\n");
164 BIO_printf(bio_err, "-salt string use provided salt\n");
165 BIO_printf(bio_err, "-in file read passwords from file\n");
166 BIO_printf(bio_err, "-stdin read passwords from stdin\n");
167 BIO_printf(bio_err, "-quiet no warnings\n");
168 BIO_printf(bio_err, "-table format output as table\n");
169 BIO_printf(bio_err, "-reverse switch table columns\n");
174 if ((infile != NULL) || in_stdin)
176 in = BIO_new(BIO_s_file());
181 assert(in_stdin == 0);
182 if (BIO_read_filename(in, infile) <= 0)
188 BIO_set_fp(in, stdin, BIO_NOCLOSE);
195 pw_maxlen = 256; /* arbitrary limit, should be enough for most passwords */
199 /* no passwords on the command line */
201 passwd_malloc_size = pw_maxlen + 2;
202 /* longer than necessary so that we can warn about truncation */
203 passwd = passwd_malloc = OPENSSL_malloc(passwd_malloc_size);
204 if (passwd_malloc == NULL)
208 if ((in == NULL) && (passwds == NULL))
210 /* build a null-terminated list */
211 static char *passwds_static[2] = {NULL, NULL};
213 passwds = passwds_static;
215 if (EVP_read_pw_string(passwd_malloc, passwd_malloc_size, "Password: ", 0) != 0)
217 passwds[0] = passwd_malloc;
222 assert(passwds != NULL);
223 assert(*passwds != NULL);
225 do /* loop over list of passwords */
228 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
229 quiet, table, reverse, pw_maxlen, usecrypt, useapr1))
232 while (*passwds != NULL);
239 assert (passwd != NULL);
242 int r = BIO_gets(in, passwd, pw_maxlen + 1);
245 char *c = (strchr(passwd, '\n')) ;
247 *c = 0; /* truncate at newline */
250 /* ignore rest of line */
253 r = BIO_gets(in, trash, sizeof trash);
254 while ((r > 0) && (!strchr(trash, '\n')));
257 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
258 quiet, table, reverse, pw_maxlen, usecrypt, useapr1))
267 ERR_print_errors(bio_err);
269 OPENSSL_free(salt_malloc);
271 OPENSSL_free(passwd_malloc);
281 /* MD5-based password algorithm compatible to the one found in Apache
282 * (should probably be available as a library function;
283 * then the static buffer would not be acceptable) */
284 static char *apr1_crypt(const char *passwd, const char *salt)
286 static char out_buf[6 + 9 + 24 + 2]; /* "$apr1$..salt..$.......md5hash..........\0" */
287 unsigned char buf[MD5_DIGEST_LENGTH];
291 size_t passwd_len, salt_len;
293 passwd_len = strlen(passwd);
294 strcpy(out_buf, "$apr1$");
295 strncat(out_buf, salt, 8);
296 assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
297 salt_out = out_buf + 6;
298 salt_len = strlen(salt_out);
299 assert(salt_len <= 8);
302 MD5_Update(&md, passwd, passwd_len);
303 MD5_Update(&md, "$apr1$", 6);
304 MD5_Update(&md, salt_out, salt_len);
310 MD5_Update(&md2, passwd, passwd_len);
311 MD5_Update(&md2, salt_out, salt_len);
312 MD5_Update(&md2, passwd, passwd_len);
313 MD5_Final(buf, &md2);
315 for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
316 MD5_Update(&md, buf, sizeof buf);
317 MD5_Update(&md, buf, i);
322 MD5_Update(&md, (n & 1) ? "\0" : passwd, 1);
327 for (i = 0; i < 1000; i++)
332 MD5_Update(&md2, (i & 1) ? (unsigned char *) passwd : buf,
333 (i & 1) ? passwd_len : sizeof buf);
335 MD5_Update(&md2, salt_out, salt_len);
337 MD5_Update(&md2, passwd, passwd_len);
338 MD5_Update(&md2, (i & 1) ? buf : (unsigned char *) passwd,
339 (i & 1) ? sizeof buf : passwd_len);
340 MD5_Final(buf, &md2);
344 /* transform buf into output string */
346 unsigned char buf_perm[sizeof buf];
350 /* silly output permutation */
351 for (dest = 0, source = 0; dest < 14; dest++, source = (source + 6) % 17)
352 buf_perm[dest] = buf[source];
353 buf_perm[14] = buf[5];
354 buf_perm[15] = buf[11];
355 #ifndef PEDANTIC /* Unfortunately, this generates a "no effect" warning */
356 assert(16 == sizeof buf_perm);
359 output = salt_out + salt_len;
360 assert(output == out_buf + strlen(out_buf));
364 for (i = 0; i < 15; i += 3)
366 *output++ = cov_2char[buf_perm[i+2] & 0x3f];
367 *output++ = cov_2char[((buf_perm[i+1] & 0xf) << 2) |
368 (buf_perm[i+2] >> 6)];
369 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
370 (buf_perm[i+1] >> 4)];
371 *output++ = cov_2char[buf_perm[i] >> 2];
374 *output++ = cov_2char[buf_perm[i] & 0x3f];
375 *output++ = cov_2char[buf_perm[i] >> 6];
377 assert(strlen(out_buf) < sizeof(out_buf));
385 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
386 char *passwd, BIO *out, int quiet, int table, int reverse,
387 size_t pw_maxlen, int usecrypt, int useapr1)
391 assert(salt_p != NULL);
392 assert(salt_malloc_p != NULL);
394 /* first make sure we have a salt */
400 if (*salt_malloc_p == NULL)
402 *salt_p = *salt_malloc_p = OPENSSL_malloc(3);
403 if (*salt_malloc_p == NULL)
406 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 2) < 0)
408 (*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
409 (*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
411 #ifdef CHARSET_EBCDIC
412 ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert
423 if (*salt_malloc_p == NULL)
425 *salt_p = *salt_malloc_p = OPENSSL_malloc(9);
426 if (*salt_malloc_p == NULL)
429 if (RAND_pseudo_bytes((unsigned char *)*salt_p, 8) < 0)
432 for (i = 0; i < 8; i++)
433 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
436 #endif /* !NO_APR1 */
439 assert(*salt_p != NULL);
441 /* truncate password if necessary */
442 if ((strlen(passwd) > pw_maxlen))
445 BIO_printf(bio_err, "Warning: truncating password to %u characters\n", pw_maxlen);
446 passwd[pw_maxlen] = 0;
448 assert(strlen(passwd) <= pw_maxlen);
450 /* now compute password hash */
453 hash = des_crypt(passwd, *salt_p);
457 hash = apr1_crypt(passwd, *salt_p);
459 assert(hash != NULL);
461 if (table && !reverse)
462 BIO_printf(out, "%s\t%s\n", passwd, hash);
463 else if (table && reverse)
464 BIO_printf(out, "%s\t%s\n", hash, passwd);
466 BIO_printf(out, "%s\n", hash);
474 int MAIN(int argc, char **argv)
476 fputs("Program not available.\n", stderr)