You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
932 lines
20 KiB
932 lines
20 KiB
/* 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);
|
|
}
|
|
|