2 * Copyright (c) 2000-2002
3 * Chris Adams <cmadams@iruntheinter.net>
4 * written for HiWAAY Internet Services
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * Adapted for Exim by Tamas TEVESZ <ice@extreme.hu>
24 * Further adapted by Philip Hazel to cut out this function for operating
25 * systems that have a built-in version.
28 /* The OS has a built-in crypt16(). Some compilers don't like compiling empty
29 modules, so keep them happy with a dummy when skipping the rest. */
34 static void dummy(int x) { dummy(x-1); }
37 /* The OS doesn't have a built-in crypt16(). Compile this one. */
47 char *crypt16(char *key, char *salt)
53 /* Clear the string of any previous data */
54 memset (res, 0, sizeof (res));
56 /* crypt the first part */
57 p = crypt (key, salt);
63 * the first two characters of the first block (not counting
64 * the salt) make up the new salt */
65 strncpy (s2, &(res[2]), 2);
66 p = crypt (&(key[8]), s2);
67 strncpy (&(res[13]), &(p[2]), 11);
68 memset (s2, 0, sizeof (s2));
75 /* End of crypt16.c */