+++ /dev/null
-/* 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);
- }
projects / openssl.git / blobdiff