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1/* demos/b64.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#include "apps.h"
63#include "buffer.h"
64#include "err.h"
65#include "evp.h"
66#include "objects.h"
67#include "x509.h"
68#include "pem.h"
69
70#undef SIZE
71#undef BSIZE
72#undef PROG
73
74#define SIZE (512)
75#define BSIZE (8*1024)
76#define PROG enc_main
77
78int main(argc,argv)
79int argc;
80char **argv;
81 {
82 char *strbuf=NULL;
83 unsigned char *buff=NULL,*bufsize=NULL;
84 int bsize=BSIZE,verbose=0;
85 int ret=1,inl;
86 unsigned char key[24],iv[MD5_DIGEST_LENGTH];
87 char *str=NULL;
88 char *hkey=NULL,*hiv=NULL;
89 int enc=1,printkey=0,i,base64=0;
90 int debug=0;
91 EVP_CIPHER *cipher=NULL,*c;
92 char *inf=NULL,*outf=NULL;
93 BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
94#define PROG_NAME_SIZE 16
95 char pname[PROG_NAME_SIZE];
96
97
98 apps_startup();
99
100 if (bio_err == NULL)
101 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
102 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
103
104 base64=1;
105
106 argc--;
107 argv++;
108 while (argc >= 1)
109 {
110 if (strcmp(*argv,"-e") == 0)
111 enc=1;
112 if (strcmp(*argv,"-in") == 0)
113 {
114 if (--argc < 1) goto bad;
115 inf= *(++argv);
116 }
117 else if (strcmp(*argv,"-out") == 0)
118 {
119 if (--argc < 1) goto bad;
120 outf= *(++argv);
121 }
122 else if (strcmp(*argv,"-d") == 0)
123 enc=0;
124 else if (strcmp(*argv,"-v") == 0)
125 verbose=1;
126 else if (strcmp(*argv,"-debug") == 0)
127 debug=1;
128 else if (strcmp(*argv,"-bufsize") == 0)
129 {
130 if (--argc < 1) goto bad;
131 bufsize=(unsigned char *)*(++argv);
132 }
133 else
134 {
135 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
136bad:
137 BIO_printf(bio_err,"options are\n");
138 BIO_printf(bio_err,"%-14s input file\n","-in <file>");
139 BIO_printf(bio_err,"%-14s output file\n","-out <file>");
140 BIO_printf(bio_err,"%-14s encode\n","-e");
141 BIO_printf(bio_err,"%-14s decode\n","-d");
142 BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
143
144 goto end;
145 }
146 argc--;
147 argv++;
148 }
149
150 if (bufsize != NULL)
151 {
152 int i;
153 unsigned long n;
154
155 for (n=0; *bufsize; bufsize++)
156 {
157 i= *bufsize;
158 if ((i <= '9') && (i >= '0'))
159 n=n*10+i-'0';
160 else if (i == 'k')
161 {
162 n*=1024;
163 bufsize++;
164 break;
165 }
166 }
167 if (*bufsize != '\0')
168 {
169 BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
170 goto end;
171 }
172
173 /* It must be large enough for a base64 encoded line */
174 if (n < 80) n=80;
175
176 bsize=(int)n;
177 if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
178 }
179
180 strbuf=Malloc(SIZE);
181 buff=(unsigned char *)Malloc(EVP_ENCODE_LENGTH(bsize));
182 if ((buff == NULL) || (strbuf == NULL))
183 {
184 BIO_printf(bio_err,"Malloc failure\n");
185 goto end;
186 }
187
188 in=BIO_new(BIO_s_file());
189 out=BIO_new(BIO_s_file());
190 if ((in == NULL) || (out == NULL))
191 {
192 ERR_print_errors(bio_err);
193 goto end;
194 }
195 if (debug)
196 {
197 BIO_set_callback(in,BIO_debug_callback);
198 BIO_set_callback(out,BIO_debug_callback);
199 BIO_set_callback_arg(in,bio_err);
200 BIO_set_callback_arg(out,bio_err);
201 }
202
203 if (inf == NULL)
204 BIO_set_fp(in,stdin,BIO_NOCLOSE);
205 else
206 {
207 if (BIO_read_filename(in,inf) <= 0)
208 {
209 perror(inf);
210 goto end;
211 }
212 }
213
214 if (outf == NULL)
215 BIO_set_fp(out,stdout,BIO_NOCLOSE);
216 else
217 {
218 if (BIO_write_filename(out,outf) <= 0)
219 {
220 perror(outf);
221 goto end;
222 }
223 }
224
225 rbio=in;
226 wbio=out;
227
228 if (base64)
229 {
230 if ((b64=BIO_new(BIO_f_base64())) == NULL)
231 goto end;
232 if (debug)
233 {
234 BIO_set_callback(b64,BIO_debug_callback);
235 BIO_set_callback_arg(b64,bio_err);
236 }
237 if (enc)
238 wbio=BIO_push(b64,wbio);
239 else
240 rbio=BIO_push(b64,rbio);
241 }
242
243 for (;;)
244 {
245 inl=BIO_read(rbio,(char *)buff,bsize);
246 if (inl <= 0) break;
247 if (BIO_write(wbio,(char *)buff,inl) != inl)
248 {
249 BIO_printf(bio_err,"error writing output file\n");
250 goto end;
251 }
252 }
253 BIO_flush(wbio);
254
255 ret=0;
256 if (verbose)
257 {
258 BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in));
259 BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
260 }
261end:
262 if (strbuf != NULL) Free(strbuf);
263 if (buff != NULL) Free(buff);
264 if (in != NULL) BIO_free(in);
265 if (out != NULL) BIO_free(out);
266 if (benc != NULL) BIO_free(benc);
267 if (b64 != NULL) BIO_free(b64);
268 EXIT(ret);
269 }
270
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