255 lines
8.1 KiB
C
255 lines
8.1 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 =
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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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if (strcmp(*argv, "-e") == 0)
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enc = 1;
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if (strcmp(*argv, "-in") == 0) {
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if (--argc < 1)
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goto bad;
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inf = *(++argv);
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} else if (strcmp(*argv, "-out") == 0) {
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if (--argc < 1)
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goto bad;
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outf = *(++argv);
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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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if (--argc < 1)
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goto bad;
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bufsize = (unsigned char *)*(++argv);
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} else {
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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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int i;
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unsigned long n;
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for (n = 0; *bufsize; bufsize++) {
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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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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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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)
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n = 80;
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bsize = (int)n;
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if (verbose)
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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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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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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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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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if (BIO_read_filename(in, inf) <= 0) {
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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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if (BIO_write_filename(out, outf) <= 0) {
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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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if ((b64 = BIO_new(BIO_f_base64())) == NULL)
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goto end;
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if (debug) {
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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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inl = BIO_read(rbio, (char *)buff, bsize);
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if (inl <= 0)
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break;
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if (BIO_write(wbio, (char *)buff, inl) != inl) {
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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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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)
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OPENSSL_free(strbuf);
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if (buff != NULL)
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OPENSSL_free(buff);
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if (in != NULL)
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BIO_free(in);
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if (out != NULL)
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BIO_free(out);
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if (benc != NULL)
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BIO_free(benc);
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if (b64 != NULL)
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BIO_free(b64);
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EXIT(ret);
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}
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