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269 lines
7.1 KiB
C
269 lines
7.1 KiB
C
/* demos/b64.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../apps/apps.h"
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#undef SIZE
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#undef BSIZE
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#undef PROG
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#define SIZE (512)
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#define BSIZE (8*1024)
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#define PROG enc_main
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int main(argc,argv)
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int argc;
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char **argv;
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{
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char *strbuf=NULL;
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unsigned char *buff=NULL,*bufsize=NULL;
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int bsize=BSIZE,verbose=0;
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int ret=1,inl;
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char *str=NULL;
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char *hkey=NULL,*hiv=NULL;
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int enc=1,printkey=0,i,base64=0;
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int debug=0;
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EVP_CIPHER *cipher=NULL,*c;
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char *inf=NULL,*outf=NULL;
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BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
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#define PROG_NAME_SIZE 39
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apps_startup();
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if (bio_err == NULL)
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if ((bio_err=BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
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base64=1;
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argc--;
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argv++;
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while (argc >= 1)
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{
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if (strcmp(*argv,"-e") == 0)
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enc=1;
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if (strcmp(*argv,"-in") == 0)
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{
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if (--argc < 1) goto bad;
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inf= *(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) goto bad;
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outf= *(++argv);
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}
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else if (strcmp(*argv,"-d") == 0)
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enc=0;
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else if (strcmp(*argv,"-v") == 0)
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verbose=1;
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else if (strcmp(*argv,"-debug") == 0)
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debug=1;
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else if (strcmp(*argv,"-bufsize") == 0)
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{
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if (--argc < 1) goto bad;
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bufsize=(unsigned char *)*(++argv);
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}
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else
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{
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BIO_printf(bio_err,"unknown option '%s'\n",*argv);
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bad:
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BIO_printf(bio_err,"options are\n");
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BIO_printf(bio_err,"%-14s input file\n","-in <file>");
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BIO_printf(bio_err,"%-14s output file\n","-out <file>");
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BIO_printf(bio_err,"%-14s encode\n","-e");
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BIO_printf(bio_err,"%-14s decode\n","-d");
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BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
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goto end;
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}
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argc--;
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argv++;
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}
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if (bufsize != NULL)
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{
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int i;
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unsigned long n;
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for (n=0; *bufsize; bufsize++)
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{
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i= *bufsize;
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if ((i <= '9') && (i >= '0'))
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n=n*10+i-'0';
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else if (i == 'k')
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{
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n*=1024;
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bufsize++;
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break;
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}
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}
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if (*bufsize != '\0')
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{
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BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
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goto end;
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}
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/* It must be large enough for a base64 encoded line */
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if (n < 80) n=80;
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bsize=(int)n;
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if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
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}
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strbuf=OPENSSL_malloc(SIZE);
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buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
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if ((buff == NULL) || (strbuf == NULL))
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{
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BIO_printf(bio_err,"OPENSSL_malloc failure\n");
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goto end;
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}
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in=BIO_new(BIO_s_file());
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out=BIO_new(BIO_s_file());
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if ((in == NULL) || (out == NULL))
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{
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ERR_print_errors(bio_err);
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goto end;
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}
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if (debug)
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{
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BIO_set_callback(in,BIO_debug_callback);
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BIO_set_callback(out,BIO_debug_callback);
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BIO_set_callback_arg(in,bio_err);
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BIO_set_callback_arg(out,bio_err);
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}
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if (inf == NULL)
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BIO_set_fp(in,stdin,BIO_NOCLOSE);
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else
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{
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if (BIO_read_filename(in,inf) <= 0)
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{
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perror(inf);
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goto end;
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}
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}
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if (outf == NULL)
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BIO_set_fp(out,stdout,BIO_NOCLOSE);
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else
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{
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if (BIO_write_filename(out,outf) <= 0)
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{
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perror(outf);
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goto end;
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}
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}
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rbio=in;
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wbio=out;
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if (base64)
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{
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if ((b64=BIO_new(BIO_f_base64())) == NULL)
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goto end;
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if (debug)
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{
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BIO_set_callback(b64,BIO_debug_callback);
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BIO_set_callback_arg(b64,bio_err);
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}
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if (enc)
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wbio=BIO_push(b64,wbio);
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else
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rbio=BIO_push(b64,rbio);
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}
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for (;;)
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{
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inl=BIO_read(rbio,(char *)buff,bsize);
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if (inl <= 0) break;
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if (BIO_write(wbio,(char *)buff,inl) != inl)
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{
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BIO_printf(bio_err,"error writing output file\n");
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goto end;
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}
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}
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BIO_flush(wbio);
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ret=0;
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if (verbose)
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{
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BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in));
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BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
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}
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end:
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if (strbuf != NULL) OPENSSL_free(strbuf);
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if (buff != NULL) OPENSSL_free(buff);
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if (in != NULL) BIO_free(in);
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if (out != NULL) BIO_free(out);
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if (benc != NULL) BIO_free(benc);
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if (b64 != NULL) BIO_free(b64);
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EXIT(ret);
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}
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