+ * Revision 1.18 1998/06/26 10:32:54 mdw
+ * Cosmetic change: use sizeof(destination) in memcpy.
+ *
+ * Revision 1.17 1998/06/18 15:06:59 mdw
+ * Close log before execing program to avoid leaving a socket open.
+ *
+ * Revision 1.16 1998/04/23 13:21:04 mdw
+ * Small tweaks. Support no-network configuration option, and rearrange
+ * the help text a little.
+ *
+ * Revision 1.15 1998/01/13 11:10:44 mdw
+ * Add `TZ' to the list of variables to be preserved.
+ *
+ * Revision 1.14 1998/01/12 16:45:39 mdw
+ * Fix copyright date.
+ *
+ * Revision 1.13 1997/09/26 09:14:57 mdw
+ * Merged blowfish branch into trunk.
+ *
+ * Revision 1.12 1997/09/25 16:04:48 mdw
+ * Change directory after becoming someone else, instead of before. This
+ * avoids problems with root-squashed NFS mounts.
+ *
+ * Revision 1.11.2.1 1997/09/26 09:07:58 mdw
+ * Use the Blowfish encryption algorithm instead of IDEA. This is partly
+ * because I prefer Blowfish (without any particularly strong evidence) but
+ * mainly because IDEA is patented and Blowfish isn't.
+ *
+ * Revision 1.11 1997/09/24 09:48:45 mdw
+ * Fix (scary) overrun bug in group allocation stuff.
+ *
+ * Revision 1.10 1997/09/17 10:14:10 mdw