From 2e97729c2196fa6ecbb4928734781c0e688219ab Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Wed, 26 Mar 2008 10:12:12 +0000
Subject: - (internal) moving more bbs-independent code to utility library.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4023 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 include/libbbsutil.h    |  14 +-
 include/osdep.h         |   2 +
 include/proto.h         |  10 -
 innbbsd/Makefile        |   4 +-
 innbbsd/str_decode.c    |   6 +-
 mbbsd/Makefile          |   4 +-
 mbbsd/crypt.c           | 647 ------------------------------------------------
 mbbsd/file.c            | 186 --------------
 mbbsd/register.c        |   7 +-
 src/libbbsutil/Makefile |   2 +-
 src/libbbsutil/crypt.c  | 647 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/libbbsutil/file.c   | 192 ++++++++++++++
 src/libbbsutil/string.c |   8 +-
 13 files changed, 867 insertions(+), 862 deletions(-)
 delete mode 100644 mbbsd/crypt.c
 delete mode 100644 mbbsd/file.c
 create mode 100644 src/libbbsutil/crypt.c

diff --git a/include/libbbsutil.h b/include/libbbsutil.h
index 3acebdfc..aa892beb 100644
--- a/include/libbbsutil.h
+++ b/include/libbbsutil.h
@@ -30,10 +30,13 @@ typedef int32_t time4_t;
 typedef time_t time4_t;
 #endif
 
+/* crypt.c */
+char *fcrypt(const char *key, const char *salt);
+
 /* file.c */
 extern off_t dashs(const char *fname);
-time4_t dasht(const char *fname);
-time4_t dashc(const char *fname);
+extern time4_t dasht(const char *fname);
+extern time4_t dashc(const char *fname);
 extern int dashl(const char *fname);
 extern int dashf(const char *fname);
 extern int dashd(const char *fname);
@@ -46,6 +49,13 @@ extern int Copy(const char *src, const char *dst);
 extern int CopyN(const char *src, const char *dst, int n);
 extern int AppendTail(const char *src, const char *dst, int off);
 extern int Link(const char *src, const char *dst);
+extern int file_count_line(const char *file);
+extern int file_append_line(const char *file, const char *string); // does not append "\n"
+extern int file_append_record(const char *file, const char *key);  // will append "\n"
+extern int file_exist_record(const char *file, const char *key);
+extern int file_find_record(const char *file, const char *key);
+extern int file_delete_record(const char *file, const char *key, int case_sensitive);
+
 
 /* lock.c */
 extern void PttLock(int fd, int start, int size, int mode);
diff --git a/include/osdep.h b/include/osdep.h
index 3aa93e7b..351d55af 100644
--- a/include/osdep.h
+++ b/include/osdep.h
@@ -16,7 +16,9 @@
 
 #elif defined(__linux__)
 
+#ifndef _GNU_SOURCE
     #define _GNU_SOURCE	       /* for strcasestr */
+#endif
     #include <sys/ioctl.h>
     #include <sys/file.h>      /* for flock() */
     #include <strings.h>       /* for strcasecmp() */
diff --git a/include/proto.h b/include/proto.h
index a69288f4..c51afb43 100644
--- a/include/proto.h
+++ b/include/proto.h
@@ -46,8 +46,6 @@ int Announce(void);
 void BlogMain(int);
 #endif
 
-/* args */
-
 /* assess */
 int inc_goodpost(const char *, int num);
 int inc_badpost(const char *, int num);
@@ -284,14 +282,6 @@ int updatenewfav(int mode);
 void subscribe_newfav(void);
 void reginit_fav(void);
 
-/* file */
-int file_count_line(const char *file);
-int file_append_line(const char *file, const char *string); // does not append "\n"
-int file_append_record(const char *file, const char *key);  // will append "\n"
-int file_exist_record(const char *file, const char *key);
-int file_find_record(const char *file, const char *key);
-int file_delete_record(const char *file, const char *key, int case_sensitive);
-
 /* friend */
 void friend_edit(int type);
 void friend_load(int);
diff --git a/innbbsd/Makefile b/innbbsd/Makefile
index 3365e9c8..c8021368 100644
--- a/innbbsd/Makefile
+++ b/innbbsd/Makefile
@@ -7,7 +7,7 @@ ADMINUSER?=	root@your.domain.name
 
 # FreeBSD為了 innbbsd額外需加的參數
 inn_CFLAGS_FreeBSD=	-DBSD44 -DMMAP -DGETRUSAGE
-inn_LDFLAGS_FreeBSD=	-L/usr/local/lib -lcrypt -liconv
+inn_LDFLAGS_FreeBSD=	-L/usr/local/lib -liconv
 
 # Linux為了 innbbsd額外需加的參數
 inn_CFLAGS_Linux=	-DLINUX -DGETRUSAGE
@@ -33,7 +33,7 @@ all:	${PROGS}
 UTIL_DIR=	$(SRCROOT)/util
 UTIL_OBJS=	\
 	util_cache.o	util_record.o	util_passwd.o	util_var.o	\
-	util_stuff.o	util_osdep.o	util_args.o	util_file.o
+	util_stuff.o	util_osdep.o
 
 .for fn in ${UTIL_OBJS}
 LINK_UTIL_OBJS+=	${UTIL_DIR}/${fn}
diff --git a/innbbsd/str_decode.c b/innbbsd/str_decode.c
index 72a1f225..7a58439d 100644
--- a/innbbsd/str_decode.c
+++ b/innbbsd/str_decode.c
@@ -179,7 +179,7 @@ str_iconv(
     }
     /* Start translation */
     while (srclen > 0 && dstlen > 0) {
-	iconv_ret = iconv(iconv_descriptor, (const char **)&src, &srclen,
+	iconv_ret = iconv(iconv_descriptor, &src, &srclen,
 			  &dst, &dstlen);
 	if (iconv_ret != 0) {
 	    switch (errno) {
@@ -260,7 +260,7 @@ str_decode_M3(unsigned char *str)
 		if (*tmp && tmp[1] && tmp[2] == '?') {	/* Thor: *tmp == '?' */
 #ifdef USE_ICONV
 		    int             i = mmdecode(tmp + 3, tmp[1], dst1);
-		    i = str_iconv(charset, "big5", dst1, i, dst,
+		    i = str_iconv((char*)charset, "big5", (char*)dst1, i, (char*)dst,
 				  sizeof(buf) - ((int)(dst - buf)));
 #else
 		    int             i = mmdecode(tmp + 3, tmp[1], dst);
@@ -287,5 +287,5 @@ str_decode_M3(unsigned char *str)
 	}
     }
     *dst = 0;
-    strcpy(str, buf);
+    strcpy((char*)str, (char*)buf);
 }
diff --git a/mbbsd/Makefile b/mbbsd/Makefile
index 883a2200..56cc71cd 100644
--- a/mbbsd/Makefile
+++ b/mbbsd/Makefile
@@ -10,12 +10,12 @@ SRCROOT=	..
 PROG=	mbbsd
 CHESSOBJS= chc.o chc_tab.o chess.o go.o gomo.o dark.o reversi.o
 GAMEOBJS = card.o guess.o chicken.o othello.o
-SYSOBJS  = crypt.o osdep.o
+SYSOBJS  = osdep.o
 COREOBJS = bbs.o announce.o read.o board.o cache.o brc.o mail.o record.o fav.o
 ACCOBJS  = user.o register.o passwd.o
 TALKOBJS = talk.o chat.o friend.o
 NETOBJS  = mbbsd.o io.o term.o
-UTILOBJS = stuff.o file.o kaede.o convert.o name.o
+UTILOBJS = stuff.o kaede.o convert.o name.o
 PLUGOBJS = lovepaper.o calendar.o topsong.o vice.o
 OBJS=	admin.o assess.o cal.o edit.o menu.o more.o gamble.o \
 	xyz.o syspost.o vote.o var.o voteboard.o \
diff --git a/mbbsd/crypt.c b/mbbsd/crypt.c
deleted file mode 100644
index 7283c8a6..00000000
--- a/mbbsd/crypt.c
+++ /dev/null
@@ -1,647 +0,0 @@
-/* $Id */
-/* This file is crypt.c taken from ssh 1.2.33, only modified for compile */
-/**
- * FreeBSD 及 Linux glibc 附的 crypt() 都會用到大 table 加速多次 crypt().
- * 但 bbs 僅上站檢查密碼時使用一次, 不值得為此花 100kb memory. (non-const memory)
- * libdes 的 crypt() 僅需 4kb 的 constant lookup table.
- *
- * 不過要注意 libdes 4.01 的 license 跟 GPL 不合, 因此此處採用 ssh 1.2.33 裡頭
- * 附的 crypt.c derived from libdes 3.06, 該版的 libdes 是 GPL 的.
- */
-#define PROTO
-/* This file is fcrypt.c taken from SSLeay-0.4.3a.  This file is only compiled
-   in on those systems that don't have crypt() in the system libraries. 
-   //ylo */
-
-/* fcrypt.c */
-/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au).
- * All rights reserved.
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * See the COPYRIGHT file in the libdes distribution for more details.
- */
-
-#include <stdio.h>
-#define _LIBC
-
-/* Eric Young.
- * This version of crypt has been developed from my MIT compatable
- * DES library.
- * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
- * eay@mincom.oz.au or eay@psych.psy.uq.oz.au
- */
-
-#if !defined(_LIBC) || defined(NOCONST)
-#define const
-#endif
-
-typedef unsigned char des_cblock[8];
-
-typedef struct des_ks_struct
-	{
-	union	{
-		des_cblock _;
-		/* make sure things are correct size on machines with
-		 * 8 byte longs */
-		unsigned long pad[2];
-		} ks;
-#define _	ks._
-	} des_key_schedule[16];
-
-#define DES_KEY_SZ 	(sizeof(des_cblock))
-#define DES_ENCRYPT	1
-#define DES_DECRYPT	0
-
-#define ITERATIONS 16
-#define HALF_ITERATIONS 8
-
-#define c2l(c,l)	(l =((unsigned long)(*((c)++)))    , \
-			 l|=((unsigned long)(*((c)++)))<< 8, \
-			 l|=((unsigned long)(*((c)++)))<<16, \
-			 l|=((unsigned long)(*((c)++)))<<24)
-
-#define l2c(l,c)	(*((c)++)=(unsigned char)(((l)    )&0xff), \
-			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
-			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
-			 *((c)++)=(unsigned char)(((l)>>24)&0xff))
-
-static const unsigned long SPtrans[8][64]={
-/* nibble 0 */
-{
-0x00820200, 0x00020000, 0x80800000, 0x80820200,
-0x00800000, 0x80020200, 0x80020000, 0x80800000,
-0x80020200, 0x00820200, 0x00820000, 0x80000200,
-0x80800200, 0x00800000, 0x00000000, 0x80020000,
-0x00020000, 0x80000000, 0x00800200, 0x00020200,
-0x80820200, 0x00820000, 0x80000200, 0x00800200,
-0x80000000, 0x00000200, 0x00020200, 0x80820000,
-0x00000200, 0x80800200, 0x80820000, 0x00000000,
-0x00000000, 0x80820200, 0x00800200, 0x80020000,
-0x00820200, 0x00020000, 0x80000200, 0x00800200,
-0x80820000, 0x00000200, 0x00020200, 0x80800000,
-0x80020200, 0x80000000, 0x80800000, 0x00820000,
-0x80820200, 0x00020200, 0x00820000, 0x80800200,
-0x00800000, 0x80000200, 0x80020000, 0x00000000,
-0x00020000, 0x00800000, 0x80800200, 0x00820200,
-0x80000000, 0x80820000, 0x00000200, 0x80020200,
-},
-/* nibble 1 */
-{
-0x10042004, 0x00000000, 0x00042000, 0x10040000,
-0x10000004, 0x00002004, 0x10002000, 0x00042000,
-0x00002000, 0x10040004, 0x00000004, 0x10002000,
-0x00040004, 0x10042000, 0x10040000, 0x00000004,
-0x00040000, 0x10002004, 0x10040004, 0x00002000,
-0x00042004, 0x10000000, 0x00000000, 0x00040004,
-0x10002004, 0x00042004, 0x10042000, 0x10000004,
-0x10000000, 0x00040000, 0x00002004, 0x10042004,
-0x00040004, 0x10042000, 0x10002000, 0x00042004,
-0x10042004, 0x00040004, 0x10000004, 0x00000000,
-0x10000000, 0x00002004, 0x00040000, 0x10040004,
-0x00002000, 0x10000000, 0x00042004, 0x10002004,
-0x10042000, 0x00002000, 0x00000000, 0x10000004,
-0x00000004, 0x10042004, 0x00042000, 0x10040000,
-0x10040004, 0x00040000, 0x00002004, 0x10002000,
-0x10002004, 0x00000004, 0x10040000, 0x00042000,
-},
-/* nibble 2 */
-{
-0x41000000, 0x01010040, 0x00000040, 0x41000040,
-0x40010000, 0x01000000, 0x41000040, 0x00010040,
-0x01000040, 0x00010000, 0x01010000, 0x40000000,
-0x41010040, 0x40000040, 0x40000000, 0x41010000,
-0x00000000, 0x40010000, 0x01010040, 0x00000040,
-0x40000040, 0x41010040, 0x00010000, 0x41000000,
-0x41010000, 0x01000040, 0x40010040, 0x01010000,
-0x00010040, 0x00000000, 0x01000000, 0x40010040,
-0x01010040, 0x00000040, 0x40000000, 0x00010000,
-0x40000040, 0x40010000, 0x01010000, 0x41000040,
-0x00000000, 0x01010040, 0x00010040, 0x41010000,
-0x40010000, 0x01000000, 0x41010040, 0x40000000,
-0x40010040, 0x41000000, 0x01000000, 0x41010040,
-0x00010000, 0x01000040, 0x41000040, 0x00010040,
-0x01000040, 0x00000000, 0x41010000, 0x40000040,
-0x41000000, 0x40010040, 0x00000040, 0x01010000,
-},
-/* nibble 3 */
-{
-0x00100402, 0x04000400, 0x00000002, 0x04100402,
-0x00000000, 0x04100000, 0x04000402, 0x00100002,
-0x04100400, 0x04000002, 0x04000000, 0x00000402,
-0x04000002, 0x00100402, 0x00100000, 0x04000000,
-0x04100002, 0x00100400, 0x00000400, 0x00000002,
-0x00100400, 0x04000402, 0x04100000, 0x00000400,
-0x00000402, 0x00000000, 0x00100002, 0x04100400,
-0x04000400, 0x04100002, 0x04100402, 0x00100000,
-0x04100002, 0x00000402, 0x00100000, 0x04000002,
-0x00100400, 0x04000400, 0x00000002, 0x04100000,
-0x04000402, 0x00000000, 0x00000400, 0x00100002,
-0x00000000, 0x04100002, 0x04100400, 0x00000400,
-0x04000000, 0x04100402, 0x00100402, 0x00100000,
-0x04100402, 0x00000002, 0x04000400, 0x00100402,
-0x00100002, 0x00100400, 0x04100000, 0x04000402,
-0x00000402, 0x04000000, 0x04000002, 0x04100400,
-},
-/* nibble 4 */
-{
-0x02000000, 0x00004000, 0x00000100, 0x02004108,
-0x02004008, 0x02000100, 0x00004108, 0x02004000,
-0x00004000, 0x00000008, 0x02000008, 0x00004100,
-0x02000108, 0x02004008, 0x02004100, 0x00000000,
-0x00004100, 0x02000000, 0x00004008, 0x00000108,
-0x02000100, 0x00004108, 0x00000000, 0x02000008,
-0x00000008, 0x02000108, 0x02004108, 0x00004008,
-0x02004000, 0x00000100, 0x00000108, 0x02004100,
-0x02004100, 0x02000108, 0x00004008, 0x02004000,
-0x00004000, 0x00000008, 0x02000008, 0x02000100,
-0x02000000, 0x00004100, 0x02004108, 0x00000000,
-0x00004108, 0x02000000, 0x00000100, 0x00004008,
-0x02000108, 0x00000100, 0x00000000, 0x02004108,
-0x02004008, 0x02004100, 0x00000108, 0x00004000,
-0x00004100, 0x02004008, 0x02000100, 0x00000108,
-0x00000008, 0x00004108, 0x02004000, 0x02000008,
-},
-/* nibble 5 */
-{
-0x20000010, 0x00080010, 0x00000000, 0x20080800,
-0x00080010, 0x00000800, 0x20000810, 0x00080000,
-0x00000810, 0x20080810, 0x00080800, 0x20000000,
-0x20000800, 0x20000010, 0x20080000, 0x00080810,
-0x00080000, 0x20000810, 0x20080010, 0x00000000,
-0x00000800, 0x00000010, 0x20080800, 0x20080010,
-0x20080810, 0x20080000, 0x20000000, 0x00000810,
-0x00000010, 0x00080800, 0x00080810, 0x20000800,
-0x00000810, 0x20000000, 0x20000800, 0x00080810,
-0x20080800, 0x00080010, 0x00000000, 0x20000800,
-0x20000000, 0x00000800, 0x20080010, 0x00080000,
-0x00080010, 0x20080810, 0x00080800, 0x00000010,
-0x20080810, 0x00080800, 0x00080000, 0x20000810,
-0x20000010, 0x20080000, 0x00080810, 0x00000000,
-0x00000800, 0x20000010, 0x20000810, 0x20080800,
-0x20080000, 0x00000810, 0x00000010, 0x20080010,
-},
-/* nibble 6 */
-{
-0x00001000, 0x00000080, 0x00400080, 0x00400001,
-0x00401081, 0x00001001, 0x00001080, 0x00000000,
-0x00400000, 0x00400081, 0x00000081, 0x00401000,
-0x00000001, 0x00401080, 0x00401000, 0x00000081,
-0x00400081, 0x00001000, 0x00001001, 0x00401081,
-0x00000000, 0x00400080, 0x00400001, 0x00001080,
-0x00401001, 0x00001081, 0x00401080, 0x00000001,
-0x00001081, 0x00401001, 0x00000080, 0x00400000,
-0x00001081, 0x00401000, 0x00401001, 0x00000081,
-0x00001000, 0x00000080, 0x00400000, 0x00401001,
-0x00400081, 0x00001081, 0x00001080, 0x00000000,
-0x00000080, 0x00400001, 0x00000001, 0x00400080,
-0x00000000, 0x00400081, 0x00400080, 0x00001080,
-0x00000081, 0x00001000, 0x00401081, 0x00400000,
-0x00401080, 0x00000001, 0x00001001, 0x00401081,
-0x00400001, 0x00401080, 0x00401000, 0x00001001,
-},
-/* nibble 7 */
-{
-0x08200020, 0x08208000, 0x00008020, 0x00000000,
-0x08008000, 0x00200020, 0x08200000, 0x08208020,
-0x00000020, 0x08000000, 0x00208000, 0x00008020,
-0x00208020, 0x08008020, 0x08000020, 0x08200000,
-0x00008000, 0x00208020, 0x00200020, 0x08008000,
-0x08208020, 0x08000020, 0x00000000, 0x00208000,
-0x08000000, 0x00200000, 0x08008020, 0x08200020,
-0x00200000, 0x00008000, 0x08208000, 0x00000020,
-0x00200000, 0x00008000, 0x08000020, 0x08208020,
-0x00008020, 0x08000000, 0x00000000, 0x00208000,
-0x08200020, 0x08008020, 0x08008000, 0x00200020,
-0x08208000, 0x00000020, 0x00200020, 0x08008000,
-0x08208020, 0x00200000, 0x08200000, 0x08000020,
-0x00208000, 0x00008020, 0x08008020, 0x08200000,
-0x00000020, 0x08208000, 0x00208020, 0x00000000,
-0x08000000, 0x08200020, 0x00008000, 0x00208020}};
-static const unsigned long skb[8][64]={
-/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
-{
-0x00000000,0x00000010,0x20000000,0x20000010,
-0x00010000,0x00010010,0x20010000,0x20010010,
-0x00000800,0x00000810,0x20000800,0x20000810,
-0x00010800,0x00010810,0x20010800,0x20010810,
-0x00000020,0x00000030,0x20000020,0x20000030,
-0x00010020,0x00010030,0x20010020,0x20010030,
-0x00000820,0x00000830,0x20000820,0x20000830,
-0x00010820,0x00010830,0x20010820,0x20010830,
-0x00080000,0x00080010,0x20080000,0x20080010,
-0x00090000,0x00090010,0x20090000,0x20090010,
-0x00080800,0x00080810,0x20080800,0x20080810,
-0x00090800,0x00090810,0x20090800,0x20090810,
-0x00080020,0x00080030,0x20080020,0x20080030,
-0x00090020,0x00090030,0x20090020,0x20090030,
-0x00080820,0x00080830,0x20080820,0x20080830,
-0x00090820,0x00090830,0x20090820,0x20090830,
-},
-/* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
-{
-0x00000000,0x02000000,0x00002000,0x02002000,
-0x00200000,0x02200000,0x00202000,0x02202000,
-0x00000004,0x02000004,0x00002004,0x02002004,
-0x00200004,0x02200004,0x00202004,0x02202004,
-0x00000400,0x02000400,0x00002400,0x02002400,
-0x00200400,0x02200400,0x00202400,0x02202400,
-0x00000404,0x02000404,0x00002404,0x02002404,
-0x00200404,0x02200404,0x00202404,0x02202404,
-0x10000000,0x12000000,0x10002000,0x12002000,
-0x10200000,0x12200000,0x10202000,0x12202000,
-0x10000004,0x12000004,0x10002004,0x12002004,
-0x10200004,0x12200004,0x10202004,0x12202004,
-0x10000400,0x12000400,0x10002400,0x12002400,
-0x10200400,0x12200400,0x10202400,0x12202400,
-0x10000404,0x12000404,0x10002404,0x12002404,
-0x10200404,0x12200404,0x10202404,0x12202404,
-},
-/* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
-{
-0x00000000,0x00000001,0x00040000,0x00040001,
-0x01000000,0x01000001,0x01040000,0x01040001,
-0x00000002,0x00000003,0x00040002,0x00040003,
-0x01000002,0x01000003,0x01040002,0x01040003,
-0x00000200,0x00000201,0x00040200,0x00040201,
-0x01000200,0x01000201,0x01040200,0x01040201,
-0x00000202,0x00000203,0x00040202,0x00040203,
-0x01000202,0x01000203,0x01040202,0x01040203,
-0x08000000,0x08000001,0x08040000,0x08040001,
-0x09000000,0x09000001,0x09040000,0x09040001,
-0x08000002,0x08000003,0x08040002,0x08040003,
-0x09000002,0x09000003,0x09040002,0x09040003,
-0x08000200,0x08000201,0x08040200,0x08040201,
-0x09000200,0x09000201,0x09040200,0x09040201,
-0x08000202,0x08000203,0x08040202,0x08040203,
-0x09000202,0x09000203,0x09040202,0x09040203,
-},
-/* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
-{
-0x00000000,0x00100000,0x00000100,0x00100100,
-0x00000008,0x00100008,0x00000108,0x00100108,
-0x00001000,0x00101000,0x00001100,0x00101100,
-0x00001008,0x00101008,0x00001108,0x00101108,
-0x04000000,0x04100000,0x04000100,0x04100100,
-0x04000008,0x04100008,0x04000108,0x04100108,
-0x04001000,0x04101000,0x04001100,0x04101100,
-0x04001008,0x04101008,0x04001108,0x04101108,
-0x00020000,0x00120000,0x00020100,0x00120100,
-0x00020008,0x00120008,0x00020108,0x00120108,
-0x00021000,0x00121000,0x00021100,0x00121100,
-0x00021008,0x00121008,0x00021108,0x00121108,
-0x04020000,0x04120000,0x04020100,0x04120100,
-0x04020008,0x04120008,0x04020108,0x04120108,
-0x04021000,0x04121000,0x04021100,0x04121100,
-0x04021008,0x04121008,0x04021108,0x04121108,
-},
-/* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
-{
-0x00000000,0x10000000,0x00010000,0x10010000,
-0x00000004,0x10000004,0x00010004,0x10010004,
-0x20000000,0x30000000,0x20010000,0x30010000,
-0x20000004,0x30000004,0x20010004,0x30010004,
-0x00100000,0x10100000,0x00110000,0x10110000,
-0x00100004,0x10100004,0x00110004,0x10110004,
-0x20100000,0x30100000,0x20110000,0x30110000,
-0x20100004,0x30100004,0x20110004,0x30110004,
-0x00001000,0x10001000,0x00011000,0x10011000,
-0x00001004,0x10001004,0x00011004,0x10011004,
-0x20001000,0x30001000,0x20011000,0x30011000,
-0x20001004,0x30001004,0x20011004,0x30011004,
-0x00101000,0x10101000,0x00111000,0x10111000,
-0x00101004,0x10101004,0x00111004,0x10111004,
-0x20101000,0x30101000,0x20111000,0x30111000,
-0x20101004,0x30101004,0x20111004,0x30111004,
-},
-/* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
-{
-0x00000000,0x08000000,0x00000008,0x08000008,
-0x00000400,0x08000400,0x00000408,0x08000408,
-0x00020000,0x08020000,0x00020008,0x08020008,
-0x00020400,0x08020400,0x00020408,0x08020408,
-0x00000001,0x08000001,0x00000009,0x08000009,
-0x00000401,0x08000401,0x00000409,0x08000409,
-0x00020001,0x08020001,0x00020009,0x08020009,
-0x00020401,0x08020401,0x00020409,0x08020409,
-0x02000000,0x0A000000,0x02000008,0x0A000008,
-0x02000400,0x0A000400,0x02000408,0x0A000408,
-0x02020000,0x0A020000,0x02020008,0x0A020008,
-0x02020400,0x0A020400,0x02020408,0x0A020408,
-0x02000001,0x0A000001,0x02000009,0x0A000009,
-0x02000401,0x0A000401,0x02000409,0x0A000409,
-0x02020001,0x0A020001,0x02020009,0x0A020009,
-0x02020401,0x0A020401,0x02020409,0x0A020409,
-},
-/* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
-{
-0x00000000,0x00000100,0x00080000,0x00080100,
-0x01000000,0x01000100,0x01080000,0x01080100,
-0x00000010,0x00000110,0x00080010,0x00080110,
-0x01000010,0x01000110,0x01080010,0x01080110,
-0x00200000,0x00200100,0x00280000,0x00280100,
-0x01200000,0x01200100,0x01280000,0x01280100,
-0x00200010,0x00200110,0x00280010,0x00280110,
-0x01200010,0x01200110,0x01280010,0x01280110,
-0x00000200,0x00000300,0x00080200,0x00080300,
-0x01000200,0x01000300,0x01080200,0x01080300,
-0x00000210,0x00000310,0x00080210,0x00080310,
-0x01000210,0x01000310,0x01080210,0x01080310,
-0x00200200,0x00200300,0x00280200,0x00280300,
-0x01200200,0x01200300,0x01280200,0x01280300,
-0x00200210,0x00200310,0x00280210,0x00280310,
-0x01200210,0x01200310,0x01280210,0x01280310,
-},
-/* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
-{
-0x00000000,0x04000000,0x00040000,0x04040000,
-0x00000002,0x04000002,0x00040002,0x04040002,
-0x00002000,0x04002000,0x00042000,0x04042000,
-0x00002002,0x04002002,0x00042002,0x04042002,
-0x00000020,0x04000020,0x00040020,0x04040020,
-0x00000022,0x04000022,0x00040022,0x04040022,
-0x00002020,0x04002020,0x00042020,0x04042020,
-0x00002022,0x04002022,0x00042022,0x04042022,
-0x00000800,0x04000800,0x00040800,0x04040800,
-0x00000802,0x04000802,0x00040802,0x04040802,
-0x00002800,0x04002800,0x00042800,0x04042800,
-0x00002802,0x04002802,0x00042802,0x04042802,
-0x00000820,0x04000820,0x00040820,0x04040820,
-0x00000822,0x04000822,0x00040822,0x04040822,
-0x00002820,0x04002820,0x00042820,0x04042820,
-0x00002822,0x04002822,0x00042822,0x04042822,
-}
-};
-
-/* See ecb_encrypt.c for a pseudo description of these macros. */
-#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\
-	(b)^=(t),\
-	(a)^=((t)<<(n)))
-
-#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\
-	(a)=(a)^(t)^(t>>(16-(n))))\
-
-static const char shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0};
-
-#ifdef PROTO
-static int body(unsigned long *out0, unsigned long *out1, des_key_schedule ks, unsigned long Eswap0, unsigned long Eswap1);
-static int des_set_key(des_cblock (*key), struct des_ks_struct *schedule);
-#else
-static int body();
-static int des_set_key();
-#endif
-
-static int des_set_key(key, schedule)
-des_cblock (*key);
-struct des_ks_struct *schedule;
-	{
-	register unsigned long c,d,t,s;
-	register unsigned char *in;
-	register unsigned long *k;
-	register int i;
-
-	k=(unsigned long *)schedule;
-	in=(unsigned char *)key;
-
-	c2l(in,c);
-	c2l(in,d);
-
-	/* I now do it in 47 simple operations :-)
-	 * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov)
-	 * for the inspiration. :-) */
-	PERM_OP (d,c,t,4,0x0f0f0f0f);
-	HPERM_OP(c,t,-2,0xcccc0000);
-	HPERM_OP(d,t,-2,0xcccc0000);
-	PERM_OP (d,c,t,1,0x55555555);
-	PERM_OP (c,d,t,8,0x00ff00ff);
-	PERM_OP (d,c,t,1,0x55555555);
-	d=	(((d&0x000000ff)<<16)| (d&0x0000ff00)     |
-		 ((d&0x00ff0000)>>16)|((c&0xf0000000)>>4));
-	c&=0x0fffffff;
-
-	for (i=0; i<ITERATIONS; i++)
-		{
-		if (shifts2[i])
-			{ c=((c>>2)|(c<<26)); d=((d>>2)|(d<<26)); }
-		else
-			{ c=((c>>1)|(c<<27)); d=((d>>1)|(d<<27)); }
-		c&=0x0fffffff;
-		d&=0x0fffffff;
-		/* could be a few less shifts but I am to lazy at this
-		 * point in time to investigate */
-		s=	skb[0][ (c    )&0x3f                ]|
-			skb[1][((c>> 6)&0x03)|((c>> 7)&0x3c)]|
-			skb[2][((c>>13)&0x0f)|((c>>14)&0x30)]|
-			skb[3][((c>>20)&0x01)|((c>>21)&0x06) |
-			                      ((c>>22)&0x38)];
-		t=	skb[4][ (d    )&0x3f                ]|
-			skb[5][((d>> 7)&0x03)|((d>> 8)&0x3c)]|
-			skb[6][ (d>>15)&0x3f                ]|
-			skb[7][((d>>21)&0x0f)|((d>>22)&0x30)];
-
-		/* table contained 0213 4657 */
-		*(k++)=((t<<16)|(s&0x0000ffff))&0xffffffff;
-		s=     ((s>>16)|(t&0xffff0000));
-		
-		s=(s<<4)|(s>>28);
-		*(k++)=s&0xffffffff;
-		}
-	return(0);
-	}
-
-/******************************************************************
- * modified stuff for crypt.
- ******************************************************************/
-
-/* The changes to this macro may help or hinder, depending on the
- * compiler and the achitecture.  gcc2 always seems to do well :-). 
- * Inspired by Dana How <how@isl.stanford.edu>
- * DO NOT use the alternative version on machines with 8 byte longs.
- */
-#ifdef ALT_ECB
-#define D_ENCRYPT(L,R,S) \
-	t=(R^(R>>16)); \
-	u=(t&E0); \
-	t=(t&E1); \
-	u=((u^(u<<16))^R^s[S  ])<<2; \
-	t=(t^(t<<16))^R^s[S+1]; \
-	t=(t>>2)|(t<<30); \
-	L^= \
-	*(unsigned long *)(des_SP+0x0100+((t    )&0xfc))+ \
-	*(unsigned long *)(des_SP+0x0300+((t>> 8)&0xfc))+ \
-	*(unsigned long *)(des_SP+0x0500+((t>>16)&0xfc))+ \
-	*(unsigned long *)(des_SP+0x0700+((t>>24)&0xfc))+ \
-	*(unsigned long *)(des_SP+       ((u    )&0xfc))+ \
-  	*(unsigned long *)(des_SP+0x0200+((u>> 8)&0xfc))+ \
-  	*(unsigned long *)(des_SP+0x0400+((u>>16)&0xfc))+ \
- 	*(unsigned long *)(des_SP+0x0600+((u>>24)&0xfc));
-#else /* original version */
-#define D_ENCRYPT(L,R,S)	\
-	t=(R^(R>>16)); \
-	u=(t&E0); \
-	t=(t&E1); \
-	u=(u^(u<<16))^R^s[S  ]; \
-	t=(t^(t<<16))^R^s[S+1]; \
-	t=(t>>4)|(t<<28); \
-	L^=	SPtrans[1][(t    )&0x3f]| \
-		SPtrans[3][(t>> 8)&0x3f]| \
-		SPtrans[5][(t>>16)&0x3f]| \
-		SPtrans[7][(t>>24)&0x3f]| \
-		SPtrans[0][(u    )&0x3f]| \
-		SPtrans[2][(u>> 8)&0x3f]| \
-		SPtrans[4][(u>>16)&0x3f]| \
-		SPtrans[6][(u>>24)&0x3f];
-#endif
-
-static unsigned const char con_salt[128]={
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
-0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
-0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A,
-0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,
-0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,
-0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,
-0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24,
-0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,
-0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,
-0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,
-0x3D,0x3E,0x3F,0x00,0x00,0x00,0x00,0x00,
-};
-
-static unsigned const char cov_2char[64]={
-0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
-0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
-0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
-0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
-0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
-0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
-0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
-0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
-};
-
-#ifdef PERL5
-char *des_crypt(buf,salt)
-#else
-char *crypt(buf, salt)
-char *buf;
-char *salt;
-          
-           
-#endif
-     
-      
-	{
-	unsigned int i,j,x,y;
-	unsigned long Eswap0=0,Eswap1=0;
-	unsigned long out[2],ll;
-	des_cblock key;
-	des_key_schedule ks;
-	static unsigned char buff[20];
-	unsigned char bb[9];
-	unsigned char *b=bb;
-	unsigned char c,u;
-
-	/* eay 25/08/92
-	 * If you call crypt("pwd","*") as often happens when you
-	 * have * as the pwd field in /etc/passwd, the function
-	 * returns *\0XXXXXXXXX
-	 * The \0 makes the string look like * so the pwd "*" would
-	 * crypt to "*".  This was found when replacing the crypt in
-	 * our shared libraries.  People found that the disbled
-	 * accounts effectivly had no passwd :-(. */
-	x=buff[0]=((salt[0] == '\0')?'A':salt[0]);
-	Eswap0=con_salt[x];
-	x=buff[1]=((salt[1] == '\0')?'A':salt[1]);
-	Eswap1=con_salt[x]<<4;
-
-	for (i=0; i<8; i++)
-		{
-		c= *(buf++);
-		if (!c) break;
-		key[i]=(c<<1);
-		}
-	for (; i<8; i++)
-		key[i]=0;
-
-	des_set_key((des_cblock *)(key),ks);
-	body(&(out[0]),&(out[1]),ks,Eswap0,Eswap1);
-
-	ll=out[0]; l2c(ll,b);
-	ll=out[1]; l2c(ll,b);
-	y=0;
-	u=0x80;
-	bb[8]=0;
-	for (i=2; i<13; i++)
-		{
-		c=0;
-		for (j=0; j<6; j++)
-			{
-			c<<=1;
-			if (bb[y] & u) c|=1;
-			u>>=1;
-			if (!u)
-				{
-				y++;
-				u=0x80;
-				}
-			}
-		buff[i]=cov_2char[c];
-		}
-	buff[13]='\0';
-	return((char *)buff);
-	}
-
-static int body(out0, out1, ks, Eswap0, Eswap1)
-unsigned long *out0;
-unsigned long *out1;
-des_key_schedule ks;
-unsigned long Eswap0;
-unsigned long Eswap1;
-	{
-	register unsigned long l,r,t,u;
-#ifdef ALT_ECB
-	register unsigned char *des_SP=(unsigned char *)SPtrans;
-#endif
-	register unsigned long *s;
-	register int i,j;
-	register unsigned long E0,E1;
-
-	l=0;
-	r=0;
-
-	s=(unsigned long *)ks;
-	E0=Eswap0;
-	E1=Eswap1;
-
-	for (j=0; j<25; j++)
-		{
-		for (i=0; i<(ITERATIONS*2); i+=4)
-			{
-			D_ENCRYPT(l,r,  i);	/*  1 */
-			D_ENCRYPT(r,l,  i+2);	/*  2 */
-			}
-		t=l;
-		l=r;
-		r=t;
-		}
-	t=r;
-	r=(l>>1)|(l<<31);
-	l=(t>>1)|(t<<31);
-	/* clear the top bits on machines with 8byte longs */
-	l&=0xffffffff;
-	r&=0xffffffff;
-
-	PERM_OP(r,l,t, 1,0x55555555);
-	PERM_OP(l,r,t, 8,0x00ff00ff);
-	PERM_OP(r,l,t, 2,0x33333333);
-	PERM_OP(l,r,t,16,0x0000ffff);
-	PERM_OP(r,l,t, 4,0x0f0f0f0f);
-
-	*out0=l;
-	*out1=r;
-	return(0);
-	}
-
diff --git a/mbbsd/file.c b/mbbsd/file.c
deleted file mode 100644
index 3b657acc..00000000
--- a/mbbsd/file.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/* $Id$ */
-
-#include "bbs.h"
-
-/**
- * file.c 是針對以"行"為單位的檔案所定義的一些 operation。
- */
-
-/**
- * 傳回 file 檔的行數
- * @param file
- */
-int file_count_line(const char *file)
-{
-    FILE           *fp;
-    int             count = 0;
-    char            buf[200];
-
-    if ((fp = fopen(file, "r"))) {
-	while (fgets(buf, sizeof(buf), fp)) {
-	    if (strchr(buf, '\n') == NULL)
-		continue;
-	    count++;
-	}
-	fclose(fp);
-    }
-    return count;
-}
-
-/**
- * 將 string append 到檔案 file 後端 (不加換行)
- * @param file 要被 append 的檔
- * @param string
- * @return 成功傳回 0，失敗傳回 -1。
- */
-int file_append_line(const char *file, const char *string)
-{
-    FILE *fp;
-    if ((fp = fopen(file, "a")) == NULL)
-	return -1;
-    flock(fileno(fp), LOCK_EX);
-    fputs(string, fp);
-    flock(fileno(fp), LOCK_UN);
-    fclose(fp);
-    return 0;
-}
-
-/**
- * 將 "$key\n" append 到檔案 file 後端
- * @param file 要被 append 的檔
- * @param key 沒有換行的字串
- * @return 成功傳回 0，失敗傳回 -1。
- */
-int file_append_record(const char *file, const char *key)
-{
-    FILE *fp;
-    if (!key || !*key) return -1;
-    if ((fp = fopen(file, "a")) == NULL)
-	return -1;
-    flock(fileno(fp), LOCK_EX);
-    fputs(key, fp);
-    fputs("\n", fp);
-    flock(fileno(fp), LOCK_UN);
-    fclose(fp);
-    return 0;
-}
-
-/**
- * 傳回檔案 file 中 key 所在行數
- */
-int file_find_record(const char *file, const char *key)
-{
-    FILE           *fp;
-    char            buf[STRLEN], *ptr;
-    int i = 0;
-
-    if ((fp = fopen(file, "r")) == NULL)
-	return 0;
-
-    while (fgets(buf, STRLEN, fp)) {
-	char *strtok_pos;
-	i++;
-	if ((ptr = strtok_r(buf, str_space, &strtok_pos)) && !strcasecmp(ptr, key)) {
-	    fclose(fp);
-	    return i;
-	}
-    }
-    fclose(fp);
-    return 0;
-}
-
-/**
- * 傳回檔案 file 中是否有 key
- */
-int file_exist_record(const char *file, const char *key)
-{
-    return file_find_record(file, key) > 0 ? 1 : 0;
-}
-
-/**
- * 刪除檔案 file 中以 string 開頭的行
- * @param file 要處理的檔案
- * @param string 尋找的 key name
- * @param case_sensitive 是否要處理大小寫
- * @return 成功傳回 0，失敗傳回 -1。
- */
-int
-file_delete_record(const char *file, const char *string, int case_sensitive)
-{
-    // TODO nfp 用 tmpfile() 比較好？ 不過 Rename 會變慢...
-    FILE *fp = NULL, *nfp = NULL;
-    char fnew[PATHLEN];
-    char buf[STRLEN + 1];
-    int ret = -1, i = 0;
-    const size_t toklen = strlen(string);
-
-    if (!toklen)
-	return 0;
-
-    do {
-	snprintf(fnew, sizeof(fnew), "%s.%3.3X", file, (unsigned int)(random() & 0xFFF));
-	if (access(fnew, 0) != 0)
-	    break;
-    } while (i++ < 10); // max tries = 10
-
-    if (access(fnew, 0) == 0) return -1;    // cannot create temp file.
-
-    i = 0;
-    if ((fp = fopen(file, "r")) && (nfp = fopen(fnew, "w"))) {
-	while (fgets(buf, sizeof(buf), fp))
-	{
-	    size_t klen = strcspn(buf, str_space);
-	    if (toklen == klen)
-	    {
-		if (((case_sensitive && strncmp(buf, string, toklen) == 0) ||
-		    (!case_sensitive && strncasecmp(buf, string, toklen) == 0)))
-		{
-		    // found line. skip it.
-		    i++;
-		    continue;
-		}
-	    }
-	    // other wise, keep the line.
-	    fputs(buf, nfp);
-	}
-	fclose(nfp); nfp = NULL;
-	if (i > 0)
-	{
-	    if(Rename(fnew, file) < 0)
-		ret = -1;
-	    else
-		ret = 0;
-	} else {
-	    unlink(fnew);
-	    ret = 0;
-	}
-    }
-    if(fp)
-	fclose(fp);
-    if(nfp)
-	fclose(nfp);
-    return ret;
-}
-
-/**
- * 對每一筆 record 做 func 這件事。
- * @param file
- * @param func 處理每筆 record 的 handler，為一 function pointer。
- *        第一個參數是檔案中的一行，第二個參數為 info。
- * @param info 一個額外的參數。
- */
-int file_foreach_entry(const char *file, int (*func)(char *, int), int info)
-{
-    char line[80];
-    FILE *fp;
-
-    if ((fp = fopen(file, "r")) == NULL)
-	return -1;
-
-    while (fgets(line, sizeof(line), fp)) {
-	(*func)(line, info);
-    }
-
-    fclose(fp);
-    return 0;
-}
diff --git a/mbbsd/register.c b/mbbsd/register.c
index 43ade453..db0211e4 100644
--- a/mbbsd/register.c
+++ b/mbbsd/register.c
@@ -15,9 +15,6 @@
 // Password Hash
 ////////////////////////////////////////////////////////////////////////////
 
-// prototype of crypt()
-char *crypt(const char *key, const char *salt);
-
 char *
 genpasswd(char *pw)
 {
@@ -37,7 +34,7 @@ genpasswd(char *pw)
 		c += 6;
 	    saltc[i] = c;
 	}
-	return crypt(pw, saltc);
+	return fcrypt(pw, saltc);
     }
     return "";
 }
@@ -50,7 +47,7 @@ checkpasswd(const char *passwd, char *plain)
     char           *pw;
 
     ok = 0;
-    pw = crypt(plain, passwd);
+    pw = fcrypt(plain, passwd);
     if(pw && strcmp(pw, passwd)==0)
 	ok = 1;
     memset(plain, 0, strlen(plain));
diff --git a/src/libbbsutil/Makefile b/src/libbbsutil/Makefile
index 99cd6143..d5b20637 100644
--- a/src/libbbsutil/Makefile
+++ b/src/libbbsutil/Makefile
@@ -4,7 +4,7 @@ SRCROOT=	../..
 
 CFLAGS+=	-I$(SRCROOT)/include
 
-OBJS=	file.o	lock.o	log.o	net.o	sort.o	string.o	time.o
+OBJS=	file.o lock.o log.o net.o sort.o string.o time.o crypt.o
 TARGET=	libbbsutil.a
 
 
diff --git a/src/libbbsutil/crypt.c b/src/libbbsutil/crypt.c
new file mode 100644
index 00000000..8353132a
--- /dev/null
+++ b/src/libbbsutil/crypt.c
@@ -0,0 +1,647 @@
+/* $Id */
+/* This file is crypt.c taken from ssh 1.2.33, only modified for compile */
+/**
+ * FreeBSD 及 Linux glibc 附的 crypt() 都會用到大 table 加速多次 crypt().
+ * 但 bbs 僅上站檢查密碼時使用一次, 不值得為此花 100kb memory. (non-const memory)
+ * libdes 的 crypt() 僅需 4kb 的 constant lookup table.
+ *
+ * 不過要注意 libdes 4.01 的 license 跟 GPL 不合, 因此此處採用 ssh 1.2.33 裡頭
+ * 附的 crypt.c derived from libdes 3.06, 該版的 libdes 是 GPL 的.
+ */
+#define PROTO
+/* This file is fcrypt.c taken from SSLeay-0.4.3a.  This file is only compiled
+   in on those systems that don't have crypt() in the system libraries. 
+   //ylo */
+
+/* fcrypt.c */
+/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au).
+ * All rights reserved.
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * See the COPYRIGHT file in the libdes distribution for more details.
+ */
+
+#include <stdio.h>
+#define _LIBC
+
+/* Eric Young.
+ * This version of crypt has been developed from my MIT compatable
+ * DES library.
+ * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
+ * eay@mincom.oz.au or eay@psych.psy.uq.oz.au
+ */
+
+#if !defined(_LIBC) || defined(NOCONST)
+#define const
+#endif
+
+typedef unsigned char des_cblock[8];
+
+typedef struct des_ks_struct
+	{
+	union	{
+		des_cblock _;
+		/* make sure things are correct size on machines with
+		 * 8 byte longs */
+		unsigned long pad[2];
+		} ks;
+#define _	ks._
+	} des_key_schedule[16];
+
+#define DES_KEY_SZ 	(sizeof(des_cblock))
+#define DES_ENCRYPT	1
+#define DES_DECRYPT	0
+
+#define ITERATIONS 16
+#define HALF_ITERATIONS 8
+
+#define c2l(c,l)	(l =((unsigned long)(*((c)++)))    , \
+			 l|=((unsigned long)(*((c)++)))<< 8, \
+			 l|=((unsigned long)(*((c)++)))<<16, \
+			 l|=((unsigned long)(*((c)++)))<<24)
+
+#define l2c(l,c)	(*((c)++)=(unsigned char)(((l)    )&0xff), \
+			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+			 *((c)++)=(unsigned char)(((l)>>24)&0xff))
+
+static const unsigned long SPtrans[8][64]={
+/* nibble 0 */
+{
+0x00820200, 0x00020000, 0x80800000, 0x80820200,
+0x00800000, 0x80020200, 0x80020000, 0x80800000,
+0x80020200, 0x00820200, 0x00820000, 0x80000200,
+0x80800200, 0x00800000, 0x00000000, 0x80020000,
+0x00020000, 0x80000000, 0x00800200, 0x00020200,
+0x80820200, 0x00820000, 0x80000200, 0x00800200,
+0x80000000, 0x00000200, 0x00020200, 0x80820000,
+0x00000200, 0x80800200, 0x80820000, 0x00000000,
+0x00000000, 0x80820200, 0x00800200, 0x80020000,
+0x00820200, 0x00020000, 0x80000200, 0x00800200,
+0x80820000, 0x00000200, 0x00020200, 0x80800000,
+0x80020200, 0x80000000, 0x80800000, 0x00820000,
+0x80820200, 0x00020200, 0x00820000, 0x80800200,
+0x00800000, 0x80000200, 0x80020000, 0x00000000,
+0x00020000, 0x00800000, 0x80800200, 0x00820200,
+0x80000000, 0x80820000, 0x00000200, 0x80020200,
+},
+/* nibble 1 */
+{
+0x10042004, 0x00000000, 0x00042000, 0x10040000,
+0x10000004, 0x00002004, 0x10002000, 0x00042000,
+0x00002000, 0x10040004, 0x00000004, 0x10002000,
+0x00040004, 0x10042000, 0x10040000, 0x00000004,
+0x00040000, 0x10002004, 0x10040004, 0x00002000,
+0x00042004, 0x10000000, 0x00000000, 0x00040004,
+0x10002004, 0x00042004, 0x10042000, 0x10000004,
+0x10000000, 0x00040000, 0x00002004, 0x10042004,
+0x00040004, 0x10042000, 0x10002000, 0x00042004,
+0x10042004, 0x00040004, 0x10000004, 0x00000000,
+0x10000000, 0x00002004, 0x00040000, 0x10040004,
+0x00002000, 0x10000000, 0x00042004, 0x10002004,
+0x10042000, 0x00002000, 0x00000000, 0x10000004,
+0x00000004, 0x10042004, 0x00042000, 0x10040000,
+0x10040004, 0x00040000, 0x00002004, 0x10002000,
+0x10002004, 0x00000004, 0x10040000, 0x00042000,
+},
+/* nibble 2 */
+{
+0x41000000, 0x01010040, 0x00000040, 0x41000040,
+0x40010000, 0x01000000, 0x41000040, 0x00010040,
+0x01000040, 0x00010000, 0x01010000, 0x40000000,
+0x41010040, 0x40000040, 0x40000000, 0x41010000,
+0x00000000, 0x40010000, 0x01010040, 0x00000040,
+0x40000040, 0x41010040, 0x00010000, 0x41000000,
+0x41010000, 0x01000040, 0x40010040, 0x01010000,
+0x00010040, 0x00000000, 0x01000000, 0x40010040,
+0x01010040, 0x00000040, 0x40000000, 0x00010000,
+0x40000040, 0x40010000, 0x01010000, 0x41000040,
+0x00000000, 0x01010040, 0x00010040, 0x41010000,
+0x40010000, 0x01000000, 0x41010040, 0x40000000,
+0x40010040, 0x41000000, 0x01000000, 0x41010040,
+0x00010000, 0x01000040, 0x41000040, 0x00010040,
+0x01000040, 0x00000000, 0x41010000, 0x40000040,
+0x41000000, 0x40010040, 0x00000040, 0x01010000,
+},
+/* nibble 3 */
+{
+0x00100402, 0x04000400, 0x00000002, 0x04100402,
+0x00000000, 0x04100000, 0x04000402, 0x00100002,
+0x04100400, 0x04000002, 0x04000000, 0x00000402,
+0x04000002, 0x00100402, 0x00100000, 0x04000000,
+0x04100002, 0x00100400, 0x00000400, 0x00000002,
+0x00100400, 0x04000402, 0x04100000, 0x00000400,
+0x00000402, 0x00000000, 0x00100002, 0x04100400,
+0x04000400, 0x04100002, 0x04100402, 0x00100000,
+0x04100002, 0x00000402, 0x00100000, 0x04000002,
+0x00100400, 0x04000400, 0x00000002, 0x04100000,
+0x04000402, 0x00000000, 0x00000400, 0x00100002,
+0x00000000, 0x04100002, 0x04100400, 0x00000400,
+0x04000000, 0x04100402, 0x00100402, 0x00100000,
+0x04100402, 0x00000002, 0x04000400, 0x00100402,
+0x00100002, 0x00100400, 0x04100000, 0x04000402,
+0x00000402, 0x04000000, 0x04000002, 0x04100400,
+},
+/* nibble 4 */
+{
+0x02000000, 0x00004000, 0x00000100, 0x02004108,
+0x02004008, 0x02000100, 0x00004108, 0x02004000,
+0x00004000, 0x00000008, 0x02000008, 0x00004100,
+0x02000108, 0x02004008, 0x02004100, 0x00000000,
+0x00004100, 0x02000000, 0x00004008, 0x00000108,
+0x02000100, 0x00004108, 0x00000000, 0x02000008,
+0x00000008, 0x02000108, 0x02004108, 0x00004008,
+0x02004000, 0x00000100, 0x00000108, 0x02004100,
+0x02004100, 0x02000108, 0x00004008, 0x02004000,
+0x00004000, 0x00000008, 0x02000008, 0x02000100,
+0x02000000, 0x00004100, 0x02004108, 0x00000000,
+0x00004108, 0x02000000, 0x00000100, 0x00004008,
+0x02000108, 0x00000100, 0x00000000, 0x02004108,
+0x02004008, 0x02004100, 0x00000108, 0x00004000,
+0x00004100, 0x02004008, 0x02000100, 0x00000108,
+0x00000008, 0x00004108, 0x02004000, 0x02000008,
+},
+/* nibble 5 */
+{
+0x20000010, 0x00080010, 0x00000000, 0x20080800,
+0x00080010, 0x00000800, 0x20000810, 0x00080000,
+0x00000810, 0x20080810, 0x00080800, 0x20000000,
+0x20000800, 0x20000010, 0x20080000, 0x00080810,
+0x00080000, 0x20000810, 0x20080010, 0x00000000,
+0x00000800, 0x00000010, 0x20080800, 0x20080010,
+0x20080810, 0x20080000, 0x20000000, 0x00000810,
+0x00000010, 0x00080800, 0x00080810, 0x20000800,
+0x00000810, 0x20000000, 0x20000800, 0x00080810,
+0x20080800, 0x00080010, 0x00000000, 0x20000800,
+0x20000000, 0x00000800, 0x20080010, 0x00080000,
+0x00080010, 0x20080810, 0x00080800, 0x00000010,
+0x20080810, 0x00080800, 0x00080000, 0x20000810,
+0x20000010, 0x20080000, 0x00080810, 0x00000000,
+0x00000800, 0x20000010, 0x20000810, 0x20080800,
+0x20080000, 0x00000810, 0x00000010, 0x20080010,
+},
+/* nibble 6 */
+{
+0x00001000, 0x00000080, 0x00400080, 0x00400001,
+0x00401081, 0x00001001, 0x00001080, 0x00000000,
+0x00400000, 0x00400081, 0x00000081, 0x00401000,
+0x00000001, 0x00401080, 0x00401000, 0x00000081,
+0x00400081, 0x00001000, 0x00001001, 0x00401081,
+0x00000000, 0x00400080, 0x00400001, 0x00001080,
+0x00401001, 0x00001081, 0x00401080, 0x00000001,
+0x00001081, 0x00401001, 0x00000080, 0x00400000,
+0x00001081, 0x00401000, 0x00401001, 0x00000081,
+0x00001000, 0x00000080, 0x00400000, 0x00401001,
+0x00400081, 0x00001081, 0x00001080, 0x00000000,
+0x00000080, 0x00400001, 0x00000001, 0x00400080,
+0x00000000, 0x00400081, 0x00400080, 0x00001080,
+0x00000081, 0x00001000, 0x00401081, 0x00400000,
+0x00401080, 0x00000001, 0x00001001, 0x00401081,
+0x00400001, 0x00401080, 0x00401000, 0x00001001,
+},
+/* nibble 7 */
+{
+0x08200020, 0x08208000, 0x00008020, 0x00000000,
+0x08008000, 0x00200020, 0x08200000, 0x08208020,
+0x00000020, 0x08000000, 0x00208000, 0x00008020,
+0x00208020, 0x08008020, 0x08000020, 0x08200000,
+0x00008000, 0x00208020, 0x00200020, 0x08008000,
+0x08208020, 0x08000020, 0x00000000, 0x00208000,
+0x08000000, 0x00200000, 0x08008020, 0x08200020,
+0x00200000, 0x00008000, 0x08208000, 0x00000020,
+0x00200000, 0x00008000, 0x08000020, 0x08208020,
+0x00008020, 0x08000000, 0x00000000, 0x00208000,
+0x08200020, 0x08008020, 0x08008000, 0x00200020,
+0x08208000, 0x00000020, 0x00200020, 0x08008000,
+0x08208020, 0x00200000, 0x08200000, 0x08000020,
+0x00208000, 0x00008020, 0x08008020, 0x08200000,
+0x00000020, 0x08208000, 0x00208020, 0x00000000,
+0x08000000, 0x08200020, 0x00008000, 0x00208020}};
+static const unsigned long skb[8][64]={
+/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
+{
+0x00000000,0x00000010,0x20000000,0x20000010,
+0x00010000,0x00010010,0x20010000,0x20010010,
+0x00000800,0x00000810,0x20000800,0x20000810,
+0x00010800,0x00010810,0x20010800,0x20010810,
+0x00000020,0x00000030,0x20000020,0x20000030,
+0x00010020,0x00010030,0x20010020,0x20010030,
+0x00000820,0x00000830,0x20000820,0x20000830,
+0x00010820,0x00010830,0x20010820,0x20010830,
+0x00080000,0x00080010,0x20080000,0x20080010,
+0x00090000,0x00090010,0x20090000,0x20090010,
+0x00080800,0x00080810,0x20080800,0x20080810,
+0x00090800,0x00090810,0x20090800,0x20090810,
+0x00080020,0x00080030,0x20080020,0x20080030,
+0x00090020,0x00090030,0x20090020,0x20090030,
+0x00080820,0x00080830,0x20080820,0x20080830,
+0x00090820,0x00090830,0x20090820,0x20090830,
+},
+/* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
+{
+0x00000000,0x02000000,0x00002000,0x02002000,
+0x00200000,0x02200000,0x00202000,0x02202000,
+0x00000004,0x02000004,0x00002004,0x02002004,
+0x00200004,0x02200004,0x00202004,0x02202004,
+0x00000400,0x02000400,0x00002400,0x02002400,
+0x00200400,0x02200400,0x00202400,0x02202400,
+0x00000404,0x02000404,0x00002404,0x02002404,
+0x00200404,0x02200404,0x00202404,0x02202404,
+0x10000000,0x12000000,0x10002000,0x12002000,
+0x10200000,0x12200000,0x10202000,0x12202000,
+0x10000004,0x12000004,0x10002004,0x12002004,
+0x10200004,0x12200004,0x10202004,0x12202004,
+0x10000400,0x12000400,0x10002400,0x12002400,
+0x10200400,0x12200400,0x10202400,0x12202400,
+0x10000404,0x12000404,0x10002404,0x12002404,
+0x10200404,0x12200404,0x10202404,0x12202404,
+},
+/* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
+{
+0x00000000,0x00000001,0x00040000,0x00040001,
+0x01000000,0x01000001,0x01040000,0x01040001,
+0x00000002,0x00000003,0x00040002,0x00040003,
+0x01000002,0x01000003,0x01040002,0x01040003,
+0x00000200,0x00000201,0x00040200,0x00040201,
+0x01000200,0x01000201,0x01040200,0x01040201,
+0x00000202,0x00000203,0x00040202,0x00040203,
+0x01000202,0x01000203,0x01040202,0x01040203,
+0x08000000,0x08000001,0x08040000,0x08040001,
+0x09000000,0x09000001,0x09040000,0x09040001,
+0x08000002,0x08000003,0x08040002,0x08040003,
+0x09000002,0x09000003,0x09040002,0x09040003,
+0x08000200,0x08000201,0x08040200,0x08040201,
+0x09000200,0x09000201,0x09040200,0x09040201,
+0x08000202,0x08000203,0x08040202,0x08040203,
+0x09000202,0x09000203,0x09040202,0x09040203,
+},
+/* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
+{
+0x00000000,0x00100000,0x00000100,0x00100100,
+0x00000008,0x00100008,0x00000108,0x00100108,
+0x00001000,0x00101000,0x00001100,0x00101100,
+0x00001008,0x00101008,0x00001108,0x00101108,
+0x04000000,0x04100000,0x04000100,0x04100100,
+0x04000008,0x04100008,0x04000108,0x04100108,
+0x04001000,0x04101000,0x04001100,0x04101100,
+0x04001008,0x04101008,0x04001108,0x04101108,
+0x00020000,0x00120000,0x00020100,0x00120100,
+0x00020008,0x00120008,0x00020108,0x00120108,
+0x00021000,0x00121000,0x00021100,0x00121100,
+0x00021008,0x00121008,0x00021108,0x00121108,
+0x04020000,0x04120000,0x04020100,0x04120100,
+0x04020008,0x04120008,0x04020108,0x04120108,
+0x04021000,0x04121000,0x04021100,0x04121100,
+0x04021008,0x04121008,0x04021108,0x04121108,
+},
+/* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
+{
+0x00000000,0x10000000,0x00010000,0x10010000,
+0x00000004,0x10000004,0x00010004,0x10010004,
+0x20000000,0x30000000,0x20010000,0x30010000,
+0x20000004,0x30000004,0x20010004,0x30010004,
+0x00100000,0x10100000,0x00110000,0x10110000,
+0x00100004,0x10100004,0x00110004,0x10110004,
+0x20100000,0x30100000,0x20110000,0x30110000,
+0x20100004,0x30100004,0x20110004,0x30110004,
+0x00001000,0x10001000,0x00011000,0x10011000,
+0x00001004,0x10001004,0x00011004,0x10011004,
+0x20001000,0x30001000,0x20011000,0x30011000,
+0x20001004,0x30001004,0x20011004,0x30011004,
+0x00101000,0x10101000,0x00111000,0x10111000,
+0x00101004,0x10101004,0x00111004,0x10111004,
+0x20101000,0x30101000,0x20111000,0x30111000,
+0x20101004,0x30101004,0x20111004,0x30111004,
+},
+/* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
+{
+0x00000000,0x08000000,0x00000008,0x08000008,
+0x00000400,0x08000400,0x00000408,0x08000408,
+0x00020000,0x08020000,0x00020008,0x08020008,
+0x00020400,0x08020400,0x00020408,0x08020408,
+0x00000001,0x08000001,0x00000009,0x08000009,
+0x00000401,0x08000401,0x00000409,0x08000409,
+0x00020001,0x08020001,0x00020009,0x08020009,
+0x00020401,0x08020401,0x00020409,0x08020409,
+0x02000000,0x0A000000,0x02000008,0x0A000008,
+0x02000400,0x0A000400,0x02000408,0x0A000408,
+0x02020000,0x0A020000,0x02020008,0x0A020008,
+0x02020400,0x0A020400,0x02020408,0x0A020408,
+0x02000001,0x0A000001,0x02000009,0x0A000009,
+0x02000401,0x0A000401,0x02000409,0x0A000409,
+0x02020001,0x0A020001,0x02020009,0x0A020009,
+0x02020401,0x0A020401,0x02020409,0x0A020409,
+},
+/* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
+{
+0x00000000,0x00000100,0x00080000,0x00080100,
+0x01000000,0x01000100,0x01080000,0x01080100,
+0x00000010,0x00000110,0x00080010,0x00080110,
+0x01000010,0x01000110,0x01080010,0x01080110,
+0x00200000,0x00200100,0x00280000,0x00280100,
+0x01200000,0x01200100,0x01280000,0x01280100,
+0x00200010,0x00200110,0x00280010,0x00280110,
+0x01200010,0x01200110,0x01280010,0x01280110,
+0x00000200,0x00000300,0x00080200,0x00080300,
+0x01000200,0x01000300,0x01080200,0x01080300,
+0x00000210,0x00000310,0x00080210,0x00080310,
+0x01000210,0x01000310,0x01080210,0x01080310,
+0x00200200,0x00200300,0x00280200,0x00280300,
+0x01200200,0x01200300,0x01280200,0x01280300,
+0x00200210,0x00200310,0x00280210,0x00280310,
+0x01200210,0x01200310,0x01280210,0x01280310,
+},
+/* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
+{
+0x00000000,0x04000000,0x00040000,0x04040000,
+0x00000002,0x04000002,0x00040002,0x04040002,
+0x00002000,0x04002000,0x00042000,0x04042000,
+0x00002002,0x04002002,0x00042002,0x04042002,
+0x00000020,0x04000020,0x00040020,0x04040020,
+0x00000022,0x04000022,0x00040022,0x04040022,
+0x00002020,0x04002020,0x00042020,0x04042020,
+0x00002022,0x04002022,0x00042022,0x04042022,
+0x00000800,0x04000800,0x00040800,0x04040800,
+0x00000802,0x04000802,0x00040802,0x04040802,
+0x00002800,0x04002800,0x00042800,0x04042800,
+0x00002802,0x04002802,0x00042802,0x04042802,
+0x00000820,0x04000820,0x00040820,0x04040820,
+0x00000822,0x04000822,0x00040822,0x04040822,
+0x00002820,0x04002820,0x00042820,0x04042820,
+0x00002822,0x04002822,0x00042822,0x04042822,
+}
+};
+
+/* See ecb_encrypt.c for a pseudo description of these macros. */
+#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\
+	(b)^=(t),\
+	(a)^=((t)<<(n)))
+
+#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\
+	(a)=(a)^(t)^(t>>(16-(n))))\
+
+static const char shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0};
+
+#ifdef PROTO
+static int body(unsigned long *out0, unsigned long *out1, des_key_schedule ks, unsigned long Eswap0, unsigned long Eswap1);
+static int des_set_key(des_cblock (*key), struct des_ks_struct *schedule);
+#else
+static int body();
+static int des_set_key();
+#endif
+
+static int des_set_key(key, schedule)
+des_cblock (*key);
+struct des_ks_struct *schedule;
+	{
+	register unsigned long c,d,t,s;
+	register unsigned char *in;
+	register unsigned long *k;
+	register int i;
+
+	k=(unsigned long *)schedule;
+	in=(unsigned char *)key;
+
+	c2l(in,c);
+	c2l(in,d);
+
+	/* I now do it in 47 simple operations :-)
+	 * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov)
+	 * for the inspiration. :-) */
+	PERM_OP (d,c,t,4,0x0f0f0f0f);
+	HPERM_OP(c,t,-2,0xcccc0000);
+	HPERM_OP(d,t,-2,0xcccc0000);
+	PERM_OP (d,c,t,1,0x55555555);
+	PERM_OP (c,d,t,8,0x00ff00ff);
+	PERM_OP (d,c,t,1,0x55555555);
+	d=	(((d&0x000000ff)<<16)| (d&0x0000ff00)     |
+		 ((d&0x00ff0000)>>16)|((c&0xf0000000)>>4));
+	c&=0x0fffffff;
+
+	for (i=0; i<ITERATIONS; i++)
+		{
+		if (shifts2[i])
+			{ c=((c>>2)|(c<<26)); d=((d>>2)|(d<<26)); }
+		else
+			{ c=((c>>1)|(c<<27)); d=((d>>1)|(d<<27)); }
+		c&=0x0fffffff;
+		d&=0x0fffffff;
+		/* could be a few less shifts but I am to lazy at this
+		 * point in time to investigate */
+		s=	skb[0][ (c    )&0x3f                ]|
+			skb[1][((c>> 6)&0x03)|((c>> 7)&0x3c)]|
+			skb[2][((c>>13)&0x0f)|((c>>14)&0x30)]|
+			skb[3][((c>>20)&0x01)|((c>>21)&0x06) |
+			                      ((c>>22)&0x38)];
+		t=	skb[4][ (d    )&0x3f                ]|
+			skb[5][((d>> 7)&0x03)|((d>> 8)&0x3c)]|
+			skb[6][ (d>>15)&0x3f                ]|
+			skb[7][((d>>21)&0x0f)|((d>>22)&0x30)];
+
+		/* table contained 0213 4657 */
+		*(k++)=((t<<16)|(s&0x0000ffff))&0xffffffff;
+		s=     ((s>>16)|(t&0xffff0000));
+		
+		s=(s<<4)|(s>>28);
+		*(k++)=s&0xffffffff;
+		}
+	return(0);
+	}
+
+/******************************************************************
+ * modified stuff for crypt.
+ ******************************************************************/
+
+/* The changes to this macro may help or hinder, depending on the
+ * compiler and the achitecture.  gcc2 always seems to do well :-). 
+ * Inspired by Dana How <how@isl.stanford.edu>
+ * DO NOT use the alternative version on machines with 8 byte longs.
+ */
+#ifdef ALT_ECB
+#define D_ENCRYPT(L,R,S) \
+	t=(R^(R>>16)); \
+	u=(t&E0); \
+	t=(t&E1); \
+	u=((u^(u<<16))^R^s[S  ])<<2; \
+	t=(t^(t<<16))^R^s[S+1]; \
+	t=(t>>2)|(t<<30); \
+	L^= \
+	*(unsigned long *)(des_SP+0x0100+((t    )&0xfc))+ \
+	*(unsigned long *)(des_SP+0x0300+((t>> 8)&0xfc))+ \
+	*(unsigned long *)(des_SP+0x0500+((t>>16)&0xfc))+ \
+	*(unsigned long *)(des_SP+0x0700+((t>>24)&0xfc))+ \
+	*(unsigned long *)(des_SP+       ((u    )&0xfc))+ \
+  	*(unsigned long *)(des_SP+0x0200+((u>> 8)&0xfc))+ \
+  	*(unsigned long *)(des_SP+0x0400+((u>>16)&0xfc))+ \
+ 	*(unsigned long *)(des_SP+0x0600+((u>>24)&0xfc));
+#else /* original version */
+#define D_ENCRYPT(L,R,S)	\
+	t=(R^(R>>16)); \
+	u=(t&E0); \
+	t=(t&E1); \
+	u=(u^(u<<16))^R^s[S  ]; \
+	t=(t^(t<<16))^R^s[S+1]; \
+	t=(t>>4)|(t<<28); \
+	L^=	SPtrans[1][(t    )&0x3f]| \
+		SPtrans[3][(t>> 8)&0x3f]| \
+		SPtrans[5][(t>>16)&0x3f]| \
+		SPtrans[7][(t>>24)&0x3f]| \
+		SPtrans[0][(u    )&0x3f]| \
+		SPtrans[2][(u>> 8)&0x3f]| \
+		SPtrans[4][(u>>16)&0x3f]| \
+		SPtrans[6][(u>>24)&0x3f];
+#endif
+
+static unsigned const char con_salt[128]={
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
+0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
+0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A,
+0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,
+0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,
+0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,
+0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24,
+0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,
+0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,
+0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,
+0x3D,0x3E,0x3F,0x00,0x00,0x00,0x00,0x00,
+};
+
+static unsigned const char cov_2char[64]={
+0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
+0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
+0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
+0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
+0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
+0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
+0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
+0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
+};
+
+#ifdef PERL5
+char *des_crypt(buf,salt)
+#else
+char *fcrypt(buf, salt)
+char *buf;
+char *salt;
+          
+           
+#endif
+     
+      
+	{
+	unsigned int i,j,x,y;
+	unsigned long Eswap0=0,Eswap1=0;
+	unsigned long out[2],ll;
+	des_cblock key;
+	des_key_schedule ks;
+	static unsigned char buff[20];
+	unsigned char bb[9];
+	unsigned char *b=bb;
+	unsigned char c,u;
+
+	/* eay 25/08/92
+	 * If you call crypt("pwd","*") as often happens when you
+	 * have * as the pwd field in /etc/passwd, the function
+	 * returns *\0XXXXXXXXX
+	 * The \0 makes the string look like * so the pwd "*" would
+	 * crypt to "*".  This was found when replacing the crypt in
+	 * our shared libraries.  People found that the disbled
+	 * accounts effectivly had no passwd :-(. */
+	x=buff[0]=((salt[0] == '\0')?'A':salt[0]);
+	Eswap0=con_salt[x];
+	x=buff[1]=((salt[1] == '\0')?'A':salt[1]);
+	Eswap1=con_salt[x]<<4;
+
+	for (i=0; i<8; i++)
+		{
+		c= *(buf++);
+		if (!c) break;
+		key[i]=(c<<1);
+		}
+	for (; i<8; i++)
+		key[i]=0;
+
+	des_set_key((des_cblock *)(key),ks);
+	body(&(out[0]),&(out[1]),ks,Eswap0,Eswap1);
+
+	ll=out[0]; l2c(ll,b);
+	ll=out[1]; l2c(ll,b);
+	y=0;
+	u=0x80;
+	bb[8]=0;
+	for (i=2; i<13; i++)
+		{
+		c=0;
+		for (j=0; j<6; j++)
+			{
+			c<<=1;
+			if (bb[y] & u) c|=1;
+			u>>=1;
+			if (!u)
+				{
+				y++;
+				u=0x80;
+				}
+			}
+		buff[i]=cov_2char[c];
+		}
+	buff[13]='\0';
+	return((char *)buff);
+	}
+
+static int body(out0, out1, ks, Eswap0, Eswap1)
+unsigned long *out0;
+unsigned long *out1;
+des_key_schedule ks;
+unsigned long Eswap0;
+unsigned long Eswap1;
+	{
+	register unsigned long l,r,t,u;
+#ifdef ALT_ECB
+	register unsigned char *des_SP=(unsigned char *)SPtrans;
+#endif
+	register unsigned long *s;
+	register int i,j;
+	register unsigned long E0,E1;
+
+	l=0;
+	r=0;
+
+	s=(unsigned long *)ks;
+	E0=Eswap0;
+	E1=Eswap1;
+
+	for (j=0; j<25; j++)
+		{
+		for (i=0; i<(ITERATIONS*2); i+=4)
+			{
+			D_ENCRYPT(l,r,  i);	/*  1 */
+			D_ENCRYPT(r,l,  i+2);	/*  2 */
+			}
+		t=l;
+		l=r;
+		r=t;
+		}
+	t=r;
+	r=(l>>1)|(l<<31);
+	l=(t>>1)|(t<<31);
+	/* clear the top bits on machines with 8byte longs */
+	l&=0xffffffff;
+	r&=0xffffffff;
+
+	PERM_OP(r,l,t, 1,0x55555555);
+	PERM_OP(l,r,t, 8,0x00ff00ff);
+	PERM_OP(r,l,t, 2,0x33333333);
+	PERM_OP(l,r,t,16,0x0000ffff);
+	PERM_OP(r,l,t, 4,0x0f0f0f0f);
+
+	*out0=l;
+	*out1=r;
+	return(0);
+	}
+
diff --git a/src/libbbsutil/file.c b/src/libbbsutil/file.c
index 21313283..5b891598 100644
--- a/src/libbbsutil/file.c
+++ b/src/libbbsutil/file.c
@@ -1,4 +1,6 @@
 #include <stdio.h>
+#include <stdlib.h> // random
+#include <sys/file.h> // flock
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/types.h>
@@ -97,6 +99,10 @@ dashd(const char *fname)
     return (stat(fname, &st) == 0 && S_ISDIR(st.st_mode));
 }
 
+/* ----------------------------------------------------- */
+/* 檔案操作函數：複製、搬移、附加                        */
+/* ----------------------------------------------------- */
+
 #define BUFFER_SIZE	8192
 int copy_file_to_file(const char *src, const char *dst)
 {
@@ -295,3 +301,189 @@ Link(const char *src, const char *dst)
     return Copy(src, dst);
 }
 
+/* ----------------------------------------------------- */
+/* 檔案內容處理函數：以「行」為單位                      */
+/* ----------------------------------------------------- */
+
+#define LINEBUFSZ (PATH_MAX)
+#define STR_SPACE " \t\n\r"
+
+
+/**
+ * 傳回 file 檔的行數
+ * @param file
+ */
+int file_count_line(const char *file)
+{
+    FILE           *fp;
+    int             count = 0;
+    char            buf[LINEBUFSZ];
+
+    if ((fp = fopen(file, "r"))) {
+	while (fgets(buf, sizeof(buf), fp)) {
+	    if (strchr(buf, '\n') == NULL)
+		continue;
+	    count++;
+	}
+	fclose(fp);
+    }
+    return count;
+}
+
+/**
+ * 將 string append 到檔案 file 後端 (不加換行)
+ * @param file 要被 append 的檔
+ * @param string
+ * @return 成功傳回 0，失敗傳回 -1。
+ */
+int file_append_line(const char *file, const char *string)
+{
+    FILE *fp;
+    if ((fp = fopen(file, "a")) == NULL)
+	return -1;
+    flock(fileno(fp), LOCK_EX);
+    fputs(string, fp);
+    flock(fileno(fp), LOCK_UN);
+    fclose(fp);
+    return 0;
+}
+
+/**
+ * 將 "$key\n" append 到檔案 file 後端
+ * @param file 要被 append 的檔
+ * @param key 沒有換行的字串
+ * @return 成功傳回 0，失敗傳回 -1。
+ */
+int file_append_record(const char *file, const char *key)
+{
+    FILE *fp;
+    if (!key || !*key) return -1;
+    if ((fp = fopen(file, "a")) == NULL)
+	return -1;
+    flock(fileno(fp), LOCK_EX);
+    fputs(key, fp);
+    fputs("\n", fp);
+    flock(fileno(fp), LOCK_UN);
+    fclose(fp);
+    return 0;
+}
+
+/**
+ * 傳回檔案 file 中 key 所在行數
+ */
+int file_find_record(const char *file, const char *key)
+{
+    FILE           *fp;
+    char            buf[LINEBUFSZ], *ptr;
+    int i = 0;
+
+    if ((fp = fopen(file, "r")) == NULL)
+	return 0;
+
+    while (fgets(buf, LINEBUFSZ, fp)) {
+	char *strtok_pos;
+	i++;
+	if ((ptr = strtok_r(buf, STR_SPACE, &strtok_pos)) && !strcasecmp(ptr, key)) {
+	    fclose(fp);
+	    return i;
+	}
+    }
+    fclose(fp);
+    return 0;
+}
+
+/**
+ * 傳回檔案 file 中是否有 key
+ */
+int file_exist_record(const char *file, const char *key)
+{
+    return file_find_record(file, key) > 0 ? 1 : 0;
+}
+
+/**
+ * 刪除檔案 file 中以 string 開頭的行
+ * @param file 要處理的檔案
+ * @param string 尋找的 key name
+ * @param case_sensitive 是否要處理大小寫
+ * @return 成功傳回 0，失敗傳回 -1。
+ */
+int
+file_delete_record(const char *file, const char *string, int case_sensitive)
+{
+    // TODO nfp 用 tmpfile() 比較好？ 不過 Rename 會變慢...
+    FILE *fp = NULL, *nfp = NULL;
+    char fnew[PATH_MAX];
+    char buf[LINEBUFSZ + 1];
+    int ret = -1, i = 0;
+    const size_t toklen = strlen(string);
+
+    if (!toklen)
+	return 0;
+
+    do {
+	snprintf(fnew, sizeof(fnew), "%s.%3.3X", file, (unsigned int)(random() & 0xFFF));
+	if (access(fnew, 0) != 0)
+	    break;
+    } while (i++ < 10); // max tries = 10
+
+    if (access(fnew, 0) == 0) return -1;    // cannot create temp file.
+
+    i = 0;
+    if ((fp = fopen(file, "r")) && (nfp = fopen(fnew, "w"))) {
+	while (fgets(buf, sizeof(buf), fp))
+	{
+	    size_t klen = strcspn(buf, STR_SPACE);
+	    if (toklen == klen)
+	    {
+		if (((case_sensitive && strncmp(buf, string, toklen) == 0) ||
+		    (!case_sensitive && strncasecmp(buf, string, toklen) == 0)))
+		{
+		    // found line. skip it.
+		    i++;
+		    continue;
+		}
+	    }
+	    // other wise, keep the line.
+	    fputs(buf, nfp);
+	}
+	fclose(nfp); nfp = NULL;
+	if (i > 0)
+	{
+	    if(Rename(fnew, file) < 0)
+		ret = -1;
+	    else
+		ret = 0;
+	} else {
+	    unlink(fnew);
+	    ret = 0;
+	}
+    }
+    if(fp)
+	fclose(fp);
+    if(nfp)
+	fclose(nfp);
+    return ret;
+}
+
+/**
+ * 對每一筆 record 做 func 這件事。
+ * @param file
+ * @param func 處理每筆 record 的 handler，為一 function pointer。
+ *        第一個參數是檔案中的一行，第二個參數為 info。
+ * @param info 一個額外的參數。
+ */
+int file_foreach_entry(const char *file, int (*func)(char *, int), int info)
+{
+    char line[80];
+    FILE *fp;
+
+    if ((fp = fopen(file, "r")) == NULL)
+	return -1;
+
+    while (fgets(line, sizeof(line), fp)) {
+	(*func)(line, info);
+    }
+
+    fclose(fp);
+    return 0;
+}
diff --git a/src/libbbsutil/string.c b/src/libbbsutil/string.c
index b2e7612e..37d05eeb 100644
--- a/src/libbbsutil/string.c
+++ b/src/libbbsutil/string.c
@@ -90,11 +90,11 @@ static const char EscapeFlag[] = {
 /**
  * 根據 mode 來 strip 字串 src，並把結果存到 dst
  * @param dst
- * @param src
+ * @param src (if NULL then only return length)
  * @param mode enum {STRIP_ALL = 0, ONLY_COLOR, NO_RELOAD};
  *             STRIP_ALL:  全部吃掉
- *             ONLY_COLOR: 吃掉所有跟顏色無關的 (ESC[*m)
- *             NO_RELOAD: 不 strip (?)
+ *             ONLY_COLOR: 只留跟顏色有關的 (ESC[*m)
+ *             NO_RELOAD:  只留上面認識的(移位+色彩)
  * @return strip 後的長度
  */
 int
@@ -121,7 +121,7 @@ strip_ansi(char *dst, const char *src, enum STRIP_FLAG mode)
 		(mode == ONLY_COLOR && *p == 'm' )){
 		register int len = p - src + 1;
 		if( dst ){
-		    strncpy(dst, src, len);
+		    memmove(dst, src, len);
 		    dst += len;
 		}
 		count += len;
-- 
cgit v1.2.3