Initial import

1 files changed, 932 insertions, 0 deletions

diff --git a/openssl/crypto/des/des.c b/openssl/crypto/des/des.c
new file mode 100644
index 00000000..343135ff
--- /dev/null
+++ b/openssl/crypto/des/des.c
@@ -0,0 +1,932 @@
+/* crypto/des/des.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_SYS_MSDOS
+#ifndef OPENSSL_SYS_VMS
+#include OPENSSL_UNISTD
+#else /* OPENSSL_SYS_VMS */
+#ifdef __DECC
+#include <unistd.h>
+#else /* not __DECC */
+#include <math.h>
+#endif /* __DECC */
+#endif /* OPENSSL_SYS_VMS */
+#else /* OPENSSL_SYS_MSDOS */
+#include <io.h>
+#endif
+
+#include <time.h>
+#include "des_ver.h"
+
+#ifdef OPENSSL_SYS_VMS
+#include <types.h>
+#include <stat.h>
+#else
+#ifndef _IRIX
+#include <sys/types.h>
+#endif
+#include <sys/stat.h>
+#endif
+#include <openssl/des.h>
+#include <openssl/rand.h>
+#include <openssl/ui_compat.h>
+
+void usage(void);
+void doencryption(void);
+int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp);
+void uufwriteEnd(FILE *fp);
+int uufread(unsigned char *out,int size,unsigned int num,FILE *fp);
+int uuencode(unsigned char *in,int num,unsigned char *out);
+int uudecode(unsigned char *in,int num,unsigned char *out);
+void DES_3cbc_encrypt(DES_cblock *input,DES_cblock *output,long length,
+	DES_key_schedule sk1,DES_key_schedule sk2,
+	DES_cblock *ivec1,DES_cblock *ivec2,int enc);
+#ifdef OPENSSL_SYS_VMS
+#define EXIT(a) exit(a&0x10000000L)
+#else
+#define EXIT(a) exit(a)
+#endif
+
+#define BUFSIZE (8*1024)
+#define VERIFY  1
+#define KEYSIZ	8
+#define KEYSIZB 1024 /* should hit tty line limit first :-) */
+char key[KEYSIZB+1];
+int do_encrypt,longk=0;
+FILE *DES_IN,*DES_OUT,*CKSUM_OUT;
+char uuname[200];
+unsigned char uubuf[50];
+int uubufnum=0;
+#define INUUBUFN	(45*100)
+#define OUTUUBUF	(65*100)
+unsigned char b[OUTUUBUF];
+unsigned char bb[300];
+DES_cblock cksum={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+char cksumname[200]="";
+
+int vflag,cflag,eflag,dflag,kflag,bflag,fflag,sflag,uflag,flag3,hflag,error;
+
+int main(int argc, char **argv)
+	{
+	int i;
+	struct stat ins,outs;
+	char *p;
+	char *in=NULL,*out=NULL;
+
+	vflag=cflag=eflag=dflag=kflag=hflag=bflag=fflag=sflag=uflag=flag3=0;
+	error=0;
+	memset(key,0,sizeof(key));
+
+	for (i=1; i<argc; i++)
+		{
+		p=argv[i];
+		if ((p[0] == '-') && (p[1] != '\0'))
+			{
+			p++;
+			while (*p)
+				{
+				switch (*(p++))
+					{
+				case '3':
+					flag3=1;
+					longk=1;
+					break;
+				case 'c':
+					cflag=1;
+					strncpy(cksumname,p,200);
+					cksumname[sizeof(cksumname)-1]='\0';
+					p+=strlen(cksumname);
+					break;
+				case 'C':
+					cflag=1;
+					longk=1;
+					strncpy(cksumname,p,200);
+					cksumname[sizeof(cksumname)-1]='\0';
+					p+=strlen(cksumname);
+					break;
+				case 'e':
+					eflag=1;
+					break;
+				case 'v':
+					vflag=1;
+					break;
+				case 'E':
+					eflag=1;
+					longk=1;
+					break;
+				case 'd':
+					dflag=1;
+					break;
+				case 'D':
+					dflag=1;
+					longk=1;
+					break;
+				case 'b':
+					bflag=1;
+					break;
+				case 'f':
+					fflag=1;
+					break;
+				case 's':
+					sflag=1;
+					break;
+				case 'u':
+					uflag=1;
+					strncpy(uuname,p,200);
+					uuname[sizeof(uuname)-1]='\0';
+					p+=strlen(uuname);
+					break;
+				case 'h':
+					hflag=1;
+					break;
+				case 'k':
+					kflag=1;
+					if ((i+1) == argc)
+						{
+						fputs("must have a key with the -k option\n",stderr);
+						error=1;
+						}
+					else
+						{
+						int j;
+
+						i++;
+						strncpy(key,argv[i],KEYSIZB);
+						for (j=strlen(argv[i])-1; j>=0; j--)
+							argv[i][j]='\0';
+						}
+					break;
+				default:
+					fprintf(stderr,"'%c' unknown flag\n",p[-1]);
+					error=1;
+					break;
+					}
+				}
+			}
+		else
+			{
+			if (in == NULL)
+				in=argv[i];
+			else if (out == NULL)
+				out=argv[i];
+			else
+				error=1;
+			}
+		}
+	if (error) usage();
+	/* We either
+	 * do checksum or
+	 * do encrypt or
+	 * do decrypt or
+	 * do decrypt then ckecksum or
+	 * do checksum then encrypt
+	 */
+	if (((eflag+dflag) == 1) || cflag)
+		{
+		if (eflag) do_encrypt=DES_ENCRYPT;
+		if (dflag) do_encrypt=DES_DECRYPT;
+		}
+	else
+		{
+		if (vflag) 
+			{
+#ifndef _Windows			
+			fprintf(stderr,"des(1) built with %s\n",libdes_version);
+#endif			
+			EXIT(1);
+			}
+		else usage();
+		}
+
+#ifndef _Windows			
+	if (vflag) fprintf(stderr,"des(1) built with %s\n",libdes_version);
+#endif			
+	if (	(in != NULL) &&
+		(out != NULL) &&
+#ifndef OPENSSL_SYS_MSDOS
+		(stat(in,&ins) != -1) &&
+		(stat(out,&outs) != -1) &&
+		(ins.st_dev == outs.st_dev) &&
+		(ins.st_ino == outs.st_ino))
+#else /* OPENSSL_SYS_MSDOS */
+		(strcmp(in,out) == 0))
+#endif
+			{
+			fputs("input and output file are the same\n",stderr);
+			EXIT(3);
+			}
+
+	if (!kflag)
+		if (des_read_pw_string(key,KEYSIZB+1,"Enter key:",eflag?VERIFY:0))
+			{
+			fputs("password error\n",stderr);
+			EXIT(2);
+			}
+
+	if (in == NULL)
+		DES_IN=stdin;
+	else if ((DES_IN=fopen(in,"r")) == NULL)
+		{
+		perror("opening input file");
+		EXIT(4);
+		}
+
+	CKSUM_OUT=stdout;
+	if (out == NULL)
+		{
+		DES_OUT=stdout;
+		CKSUM_OUT=stderr;
+		}
+	else if ((DES_OUT=fopen(out,"w")) == NULL)
+		{
+		perror("opening output file");
+		EXIT(5);
+		}
+
+#ifdef OPENSSL_SYS_MSDOS
+	/* This should set the file to binary mode. */
+	{
+#include <fcntl.h>
+	if (!(uflag && dflag))
+		setmode(fileno(DES_IN),O_BINARY);
+	if (!(uflag && eflag))
+		setmode(fileno(DES_OUT),O_BINARY);
+	}
+#endif
+
+	doencryption();
+	fclose(DES_IN);
+	fclose(DES_OUT);
+	EXIT(0);
+	}
+
+void usage(void)
+	{
+	char **u;
+	static const char *Usage[]={
+"des <options> [input-file [output-file]]",
+"options:",
+"-v         : des(1) version number",
+"-e         : encrypt using SunOS compatible user key to DES key conversion.",
+"-E         : encrypt ",
+"-d         : decrypt using SunOS compatible user key to DES key conversion.",
+"-D         : decrypt ",
+"-c[ckname] : generate a cbc_cksum using SunOS compatible user key to",
+"             DES key conversion and output to ckname (stdout default,",
+"             stderr if data being output on stdout).  The checksum is",
+"             generated before encryption and after decryption if used",
+"             in conjunction with -[eEdD].",
+"-C[ckname] : generate a cbc_cksum as for -c but compatible with -[ED].",
+"-k key     : use key 'key'",
+"-h         : the key that is entered will be a hexadecimal number",
+"             that is used directly as the des key",
+"-u[uuname] : input file is uudecoded if -[dD] or output uuencoded data if -[eE]",
+"             (uuname is the filename to put in the uuencode header).",
+"-b         : encrypt using DES in ecb encryption mode, the default is cbc mode.",
+"-3         : encrypt using triple DES encryption.  This uses 2 keys",
+"             generated from the input key.  If the input key is less",
+"             than 8 characters long, this is equivalent to normal",
+"             encryption.  Default is triple cbc, -b makes it triple ecb.",
+NULL
+};
+	for (u=(char **)Usage; *u; u++)
+		{
+		fputs(*u,stderr);
+		fputc('\n',stderr);
+		}
+
+	EXIT(1);
+	}
+
+void doencryption(void)
+	{
+#ifdef _LIBC
+	extern unsigned long time();
+#endif
+
+	register int i;
+	DES_key_schedule ks,ks2;
+	DES_cblock iv,iv2;
+	char *p;
+	int num=0,j,k,l,rem,ll,len,last,ex=0;
+	DES_cblock kk,k2;
+	FILE *O;
+	int Exit=0;
+#ifndef OPENSSL_SYS_MSDOS
+	static unsigned char buf[BUFSIZE+8],obuf[BUFSIZE+8];
+#else
+	static unsigned char *buf=NULL,*obuf=NULL;
+
+	if (buf == NULL)
+		{
+		if (    (( buf=OPENSSL_malloc(BUFSIZE+8)) == NULL) ||
+			((obuf=OPENSSL_malloc(BUFSIZE+8)) == NULL))
+			{
+			fputs("Not enough memory\n",stderr);
+			Exit=10;
+			goto problems;
+			}
+		}
+#endif
+
+	if (hflag)
+		{
+		j=(flag3?16:8);
+		p=key;
+		for (i=0; i<j; i++)
+			{
+			k=0;
+			if ((*p <= '9') && (*p >= '0'))
+				k=(*p-'0')<<4;
+			else if ((*p <= 'f') && (*p >= 'a'))
+				k=(*p-'a'+10)<<4;
+			else if ((*p <= 'F') && (*p >= 'A'))
+				k=(*p-'A'+10)<<4;
+			else
+				{
+				fputs("Bad hex key\n",stderr);
+				Exit=9;
+				goto problems;
+				}
+			p++;
+			if ((*p <= '9') && (*p >= '0'))
+				k|=(*p-'0');
+			else if ((*p <= 'f') && (*p >= 'a'))
+				k|=(*p-'a'+10);
+			else if ((*p <= 'F') && (*p >= 'A'))
+				k|=(*p-'A'+10);
+			else
+				{
+				fputs("Bad hex key\n",stderr);
+				Exit=9;
+				goto problems;
+				}
+			p++;
+			if (i < 8)
+				kk[i]=k;
+			else
+				k2[i-8]=k;
+			}
+		DES_set_key_unchecked(&k2,&ks2);
+		OPENSSL_cleanse(k2,sizeof(k2));
+		}
+	else if (longk || flag3)
+		{
+		if (flag3)
+			{
+			DES_string_to_2keys(key,&kk,&k2);
+			DES_set_key_unchecked(&k2,&ks2);
+			OPENSSL_cleanse(k2,sizeof(k2));
+			}
+		else
+			DES_string_to_key(key,&kk);
+		}
+	else
+		for (i=0; i<KEYSIZ; i++)
+			{
+			l=0;
+			k=key[i];
+			for (j=0; j<8; j++)
+				{
+				if (k&1) l++;
+				k>>=1;
+				}
+			if (l & 1)
+				kk[i]=key[i]&0x7f;
+			else
+				kk[i]=key[i]|0x80;
+			}
+
+	DES_set_key_unchecked(&kk,&ks);
+	OPENSSL_cleanse(key,sizeof(key));
+	OPENSSL_cleanse(kk,sizeof(kk));
+	/* woops - A bug that does not showup under unix :-( */
+	memset(iv,0,sizeof(iv));
+	memset(iv2,0,sizeof(iv2));
+
+	l=1;
+	rem=0;
+	/* first read */
+	if (eflag || (!dflag && cflag))
+		{
+		for (;;)
+			{
+			num=l=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
+			l+=rem;
+			num+=rem;
+			if (l < 0)
+				{
+				perror("read error");
+				Exit=6;
+				goto problems;
+				}
+
+			rem=l%8;
+			len=l-rem;
+			if (feof(DES_IN))
+				{
+				for (i=7-rem; i>0; i--)
+					RAND_pseudo_bytes(buf + l++, 1);
+				buf[l++]=rem;
+				ex=1;
+				len+=rem;
+				}
+			else
+				l-=rem;
+
+			if (cflag)
+				{
+				DES_cbc_cksum(buf,&cksum,
+					(long)len,&ks,&cksum);
+				if (!eflag)
+					{
+					if (feof(DES_IN)) break;
+					else continue;
+					}
+				}
+
+			if (bflag && !flag3)
+				for (i=0; i<l; i+=8)
+					DES_ecb_encrypt(
+						(DES_cblock *)&(buf[i]),
+						(DES_cblock *)&(obuf[i]),
+						&ks,do_encrypt);
+			else if (flag3 && bflag)
+				for (i=0; i<l; i+=8)
+					DES_ecb2_encrypt(
+						(DES_cblock *)&(buf[i]),
+						(DES_cblock *)&(obuf[i]),
+						&ks,&ks2,do_encrypt);
+			else if (flag3 && !bflag)
+				{
+				char tmpbuf[8];
+
+				if (rem) memcpy(tmpbuf,&(buf[l]),
+					(unsigned int)rem);
+				DES_3cbc_encrypt(
+					(DES_cblock *)buf,(DES_cblock *)obuf,
+					(long)l,ks,ks2,&iv,
+					&iv2,do_encrypt);
+				if (rem) memcpy(&(buf[l]),tmpbuf,
+					(unsigned int)rem);
+				}
+			else
+				{
+				DES_cbc_encrypt(
+					buf,obuf,
+					(long)l,&ks,&iv,do_encrypt);
+				if (l >= 8) memcpy(iv,&(obuf[l-8]),8);
+				}
+			if (rem) memcpy(buf,&(buf[l]),(unsigned int)rem);
+
+			i=0;
+			while (i < l)
+				{
+				if (uflag)
+					j=uufwrite(obuf,1,(unsigned int)l-i,
+						DES_OUT);
+				else
+					j=fwrite(obuf,1,(unsigned int)l-i,
+						DES_OUT);
+				if (j == -1)
+					{
+					perror("Write error");
+					Exit=7;
+					goto problems;
+					}
+				i+=j;
+				}
+			if (feof(DES_IN))
+				{
+				if (uflag) uufwriteEnd(DES_OUT);
+				break;
+				}
+			}
+		}
+	else /* decrypt */
+		{
+		ex=1;
+		for (;;)
+			{
+			if (ex) {
+				if (uflag)
+					l=uufread(buf,1,BUFSIZE,DES_IN);
+				else
+					l=fread(buf,1,BUFSIZE,DES_IN);
+				ex=0;
+				rem=l%8;
+				l-=rem;
+				}
+			if (l < 0)
+				{
+				perror("read error");
+				Exit=6;
+				goto problems;
+				}
+
+			if (bflag && !flag3)
+				for (i=0; i<l; i+=8)
+					DES_ecb_encrypt(
+						(DES_cblock *)&(buf[i]),
+						(DES_cblock *)&(obuf[i]),
+						&ks,do_encrypt);
+			else if (flag3 && bflag)
+				for (i=0; i<l; i+=8)
+					DES_ecb2_encrypt(
+						(DES_cblock *)&(buf[i]),
+						(DES_cblock *)&(obuf[i]),
+						&ks,&ks2,do_encrypt);
+			else if (flag3 && !bflag)
+				{
+				DES_3cbc_encrypt(
+					(DES_cblock *)buf,(DES_cblock *)obuf,
+					(long)l,ks,ks2,&iv,
+					&iv2,do_encrypt);
+				}
+			else
+				{
+				DES_cbc_encrypt(
+					buf,obuf,
+				 	(long)l,&ks,&iv,do_encrypt);
+				if (l >= 8) memcpy(iv,&(buf[l-8]),8);
+				}
+
+			if (uflag)
+				ll=uufread(&(buf[rem]),1,BUFSIZE,DES_IN);
+			else
+				ll=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
+			ll+=rem;
+			rem=ll%8;
+			ll-=rem;
+			if (feof(DES_IN) && (ll == 0))
+				{
+				last=obuf[l-1];
+
+				if ((last > 7) || (last < 0))
+					{
+					fputs("The file was not decrypted correctly.\n",
+						stderr);
+					Exit=8;
+					last=0;
+					}
+				l=l-8+last;
+				}
+			i=0;
+			if (cflag) DES_cbc_cksum(obuf,
+				(DES_cblock *)cksum,(long)l/8*8,&ks,
+				(DES_cblock *)cksum);
+			while (i != l)
+				{
+				j=fwrite(obuf,1,(unsigned int)l-i,DES_OUT);
+				if (j == -1)
+					{
+					perror("Write error");
+					Exit=7;
+					goto problems;
+					}
+				i+=j;
+				}
+			l=ll;
+			if ((l == 0) && feof(DES_IN)) break;
+			}
+		}
+	if (cflag)
+		{
+		l=0;
+		if (cksumname[0] != '\0')
+			{
+			if ((O=fopen(cksumname,"w")) != NULL)
+				{
+				CKSUM_OUT=O;
+				l=1;
+				}
+			}
+		for (i=0; i<8; i++)
+			fprintf(CKSUM_OUT,"%02X",cksum[i]);
+		fprintf(CKSUM_OUT,"\n");
+		if (l) fclose(CKSUM_OUT);
+		}
+problems:
+	OPENSSL_cleanse(buf,sizeof(buf));
+	OPENSSL_cleanse(obuf,sizeof(obuf));
+	OPENSSL_cleanse(&ks,sizeof(ks));
+	OPENSSL_cleanse(&ks2,sizeof(ks2));
+	OPENSSL_cleanse(iv,sizeof(iv));
+	OPENSSL_cleanse(iv2,sizeof(iv2));
+	OPENSSL_cleanse(kk,sizeof(kk));
+	OPENSSL_cleanse(k2,sizeof(k2));
+	OPENSSL_cleanse(uubuf,sizeof(uubuf));
+	OPENSSL_cleanse(b,sizeof(b));
+	OPENSSL_cleanse(bb,sizeof(bb));
+	OPENSSL_cleanse(cksum,sizeof(cksum));
+	if (Exit) EXIT(Exit);
+	}
+
+/*    We ignore this parameter but it should be > ~50 I believe    */
+int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp)
+	{
+	int i,j,left,rem,ret=num;
+	static int start=1;
+
+	if (start)
+		{
+		fprintf(fp,"begin 600 %s\n",
+			(uuname[0] == '\0')?"text.d":uuname);
+		start=0;
+		}
+
+	if (uubufnum)
+		{
+		if (uubufnum+num < 45)
+			{
+			memcpy(&(uubuf[uubufnum]),data,(unsigned int)num);
+			uubufnum+=num;
+			return(num);
+			}
+		else
+			{
+			i=45-uubufnum;
+			memcpy(&(uubuf[uubufnum]),data,(unsigned int)i);
+			j=uuencode((unsigned char *)uubuf,45,b);
+			fwrite(b,1,(unsigned int)j,fp);
+			uubufnum=0;
+			data+=i;
+			num-=i;
+			}
+		}
+
+	for (i=0; i<(((int)num)-INUUBUFN); i+=INUUBUFN)
+		{
+		j=uuencode(&(data[i]),INUUBUFN,b);
+		fwrite(b,1,(unsigned int)j,fp);
+		}
+	rem=(num-i)%45;
+	left=(num-i-rem);
+	if (left)
+		{
+		j=uuencode(&(data[i]),left,b);
+		fwrite(b,1,(unsigned int)j,fp);
+		i+=left;
+		}
+	if (i != num)
+		{
+		memcpy(uubuf,&(data[i]),(unsigned int)rem);
+		uubufnum=rem;
+		}
+	return(ret);
+	}
+
+void uufwriteEnd(FILE *fp)
+	{
+	int j;
+	static const char *end=" \nend\n";
+
+	if (uubufnum != 0)
+		{
+		uubuf[uubufnum]='\0';
+		uubuf[uubufnum+1]='\0';
+		uubuf[uubufnum+2]='\0';
+		j=uuencode(uubuf,uubufnum,b);
+		fwrite(b,1,(unsigned int)j,fp);
+		}
+	fwrite(end,1,strlen(end),fp);
+	}
+
+/* int size:  should always be > ~ 60; I actually ignore this parameter :-)    */
+int uufread(unsigned char *out, int size, unsigned int num, FILE *fp)
+	{
+	int i,j,tot;
+	static int done=0;
+	static int valid=0;
+	static int start=1;
+
+	if (start)
+		{
+		for (;;)
+			{
+			b[0]='\0';
+			fgets((char *)b,300,fp);
+			if (b[0] == '\0')
+				{
+				fprintf(stderr,"no 'begin' found in uuencoded input\n");
+				return(-1);
+				}
+			if (strncmp((char *)b,"begin ",6) == 0) break;
+			}
+		start=0;
+		}
+	if (done) return(0);
+	tot=0;
+	if (valid)
+		{
+		memcpy(out,bb,(unsigned int)valid);
+		tot=valid;
+		valid=0;
+		}
+	for (;;)
+		{
+		b[0]='\0';
+		fgets((char *)b,300,fp);
+		if (b[0] == '\0') break;
+		i=strlen((char *)b);
+		if ((b[0] == 'e') && (b[1] == 'n') && (b[2] == 'd'))
+			{
+			done=1;
+			while (!feof(fp))
+				{
+				fgets((char *)b,300,fp);
+				}
+			break;
+			}
+		i=uudecode(b,i,bb);
+		if (i < 0) break;
+		if ((i+tot+8) > num)
+			{
+			/* num to copy to make it a multiple of 8 */
+			j=(num/8*8)-tot-8;
+			memcpy(&(out[tot]),bb,(unsigned int)j);
+			tot+=j;
+			memcpy(bb,&(bb[j]),(unsigned int)i-j);
+			valid=i-j;
+			break;
+			}
+		memcpy(&(out[tot]),bb,(unsigned int)i);
+		tot+=i;
+		}
+	return(tot);
+	}
+
+#define ccc2l(c,l)      (l =((DES_LONG)(*((c)++)))<<16, \
+			 l|=((DES_LONG)(*((c)++)))<< 8, \
+		 	 l|=((DES_LONG)(*((c)++))))
+
+#define l2ccc(l,c)      (*((c)++)=(unsigned char)(((l)>>16)&0xff), \
+                    *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+                    *((c)++)=(unsigned char)(((l)    )&0xff))
+
+
+int uuencode(unsigned char *in, int num, unsigned char *out)
+	{
+	int j,i,n,tot=0;
+	DES_LONG l;
+	register unsigned char *p;
+	p=out;
+
+	for (j=0; j<num; j+=45)
+		{
+		if (j+45 > num)
+			i=(num-j);
+		else	i=45;
+		*(p++)=i+' ';
+		for (n=0; n<i; n+=3)
+			{
+			ccc2l(in,l);
+			*(p++)=((l>>18)&0x3f)+' ';
+			*(p++)=((l>>12)&0x3f)+' ';
+			*(p++)=((l>> 6)&0x3f)+' ';
+			*(p++)=((l    )&0x3f)+' ';
+			tot+=4;
+			}
+		*(p++)='\n';
+		tot+=2;
+		}
+	*p='\0';
+	l=0;
+	return(tot);
+	}
+
+int uudecode(unsigned char *in, int num, unsigned char *out)
+	{
+	int j,i,k;
+	unsigned int n=0,space=0;
+	DES_LONG l;
+	DES_LONG w,x,y,z;
+	unsigned int blank=(unsigned int)'\n'-' ';
+
+	for (j=0; j<num; )
+		{
+		n= *(in++)-' ';
+		if (n == blank)
+			{
+			n=0;
+			in--;
+			}
+		if (n > 60)
+			{
+			fprintf(stderr,"uuencoded line length too long\n");
+			return(-1);
+			}
+		j++;
+
+		for (i=0; i<n; j+=4,i+=3)
+			{
+			/* the following is for cases where spaces are
+			 * removed from lines.
+			 */
+			if (space)
+				{
+				w=x=y=z=0;
+				}
+			else
+				{
+				w= *(in++)-' ';
+				x= *(in++)-' ';
+				y= *(in++)-' ';
+				z= *(in++)-' ';
+				}
+			if ((w > 63) || (x > 63) || (y > 63) || (z > 63))
+				{
+				k=0;
+				if (w == blank) k=1;
+				if (x == blank) k=2;
+				if (y == blank) k=3;
+				if (z == blank) k=4;
+				space=1;
+				switch (k) {
+				case 1:	w=0; in--;
+				case 2: x=0; in--;
+				case 3: y=0; in--;
+				case 4: z=0; in--;
+					break;
+				case 0:
+					space=0;
+					fprintf(stderr,"bad uuencoded data values\n");
+					w=x=y=z=0;
+					return(-1);
+					break;
+					}
+				}
+			l=(w<<18)|(x<<12)|(y<< 6)|(z    );
+			l2ccc(l,out);
+			}
+		if (*(in++) != '\n')
+			{
+			fprintf(stderr,"missing nl in uuencoded line\n");
+			w=x=y=z=0;
+			return(-1);
+			}
+		j++;
+		}
+	*out='\0';
+	w=x=y=z=0;
+	return(n);
+	}