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d02b48c6 | 1 | /* demos/b64.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
ae5c8664 | 8 | * |
d02b48c6 RE |
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). | |
ae5c8664 | 15 | * |
d02b48c6 RE |
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. | |
ae5c8664 | 22 | * |
d02b48c6 RE |
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 :-). | |
ae5c8664 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
ae5c8664 | 40 | * |
d02b48c6 RE |
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. | |
ae5c8664 | 52 | * |
d02b48c6 RE |
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> | |
426edadf | 62 | #include "../apps/apps.h" |
ec577822 BM |
63 | #include <openssl/buffer.h> |
64 | #include <openssl/err.h> | |
65 | #include <openssl/evp.h> | |
66 | #include <openssl/objects.h> | |
67 | #include <openssl/x509.h> | |
68 | #include <openssl/pem.h> | |
d02b48c6 RE |
69 | |
70 | #undef SIZE | |
71 | #undef BSIZE | |
72 | #undef PROG | |
73 | ||
ae5c8664 MC |
74 | #define SIZE (512) |
75 | #define BSIZE (8*1024) | |
76 | #define PROG enc_main | |
d02b48c6 | 77 | |
ae5c8664 | 78 | int main(argc, argv) |
d02b48c6 RE |
79 | int argc; |
80 | char **argv; | |
ae5c8664 MC |
81 | { |
82 | char *strbuf = NULL; | |
83 | unsigned char *buff = NULL, *bufsize = NULL; | |
84 | int bsize = BSIZE, verbose = 0; | |
85 | int ret = 1, inl; | |
86 | char *str = NULL; | |
87 | char *hkey = NULL, *hiv = NULL; | |
88 | int enc = 1, printkey = 0, i, base64 = 0; | |
89 | int debug = 0; | |
90 | EVP_CIPHER *cipher = NULL, *c; | |
91 | char *inf = NULL, *outf = NULL; | |
92 | BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio = | |
93 | NULL, *wbio = NULL; | |
d16e1131 | 94 | #define PROG_NAME_SIZE 39 |
d02b48c6 | 95 | |
ae5c8664 MC |
96 | apps_startup(); |
97 | ||
98 | if (bio_err == NULL) | |
99 | if ((bio_err = BIO_new(BIO_s_file())) != NULL) | |
100 | BIO_set_fp(bio_err, stderr, BIO_NOCLOSE); | |
101 | ||
102 | base64 = 1; | |
103 | ||
104 | argc--; | |
105 | argv++; | |
106 | while (argc >= 1) { | |
107 | if (strcmp(*argv, "-e") == 0) | |
108 | enc = 1; | |
109 | if (strcmp(*argv, "-in") == 0) { | |
110 | if (--argc < 1) | |
111 | goto bad; | |
112 | inf = *(++argv); | |
113 | } else if (strcmp(*argv, "-out") == 0) { | |
114 | if (--argc < 1) | |
115 | goto bad; | |
116 | outf = *(++argv); | |
117 | } else if (strcmp(*argv, "-d") == 0) | |
118 | enc = 0; | |
119 | else if (strcmp(*argv, "-v") == 0) | |
120 | verbose = 1; | |
121 | else if (strcmp(*argv, "-debug") == 0) | |
122 | debug = 1; | |
123 | else if (strcmp(*argv, "-bufsize") == 0) { | |
124 | if (--argc < 1) | |
125 | goto bad; | |
126 | bufsize = (unsigned char *)*(++argv); | |
127 | } else { | |
128 | BIO_printf(bio_err, "unknown option '%s'\n", *argv); | |
129 | bad: | |
130 | BIO_printf(bio_err, "options are\n"); | |
131 | BIO_printf(bio_err, "%-14s input file\n", "-in <file>"); | |
132 | BIO_printf(bio_err, "%-14s output file\n", "-out <file>"); | |
133 | BIO_printf(bio_err, "%-14s encode\n", "-e"); | |
134 | BIO_printf(bio_err, "%-14s decode\n", "-d"); | |
135 | BIO_printf(bio_err, "%-14s buffer size\n", "-bufsize <n>"); | |
136 | ||
137 | goto end; | |
138 | } | |
139 | argc--; | |
140 | argv++; | |
141 | } | |
142 | ||
143 | if (bufsize != NULL) { | |
144 | int i; | |
145 | unsigned long n; | |
146 | ||
147 | for (n = 0; *bufsize; bufsize++) { | |
148 | i = *bufsize; | |
149 | if ((i <= '9') && (i >= '0')) | |
150 | n = n * 10 + i - '0'; | |
151 | else if (i == 'k') { | |
152 | n *= 1024; | |
153 | bufsize++; | |
154 | break; | |
155 | } | |
156 | } | |
157 | if (*bufsize != '\0') { | |
158 | BIO_printf(bio_err, "invalid 'bufsize' specified.\n"); | |
159 | goto end; | |
160 | } | |
161 | ||
162 | /* It must be large enough for a base64 encoded line */ | |
163 | if (n < 80) | |
164 | n = 80; | |
165 | ||
166 | bsize = (int)n; | |
167 | if (verbose) | |
168 | BIO_printf(bio_err, "bufsize=%d\n", bsize); | |
169 | } | |
170 | ||
171 | strbuf = OPENSSL_malloc(SIZE); | |
172 | buff = (unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); | |
173 | if ((buff == NULL) || (strbuf == NULL)) { | |
174 | BIO_printf(bio_err, "OPENSSL_malloc failure\n"); | |
175 | goto end; | |
176 | } | |
177 | ||
178 | in = BIO_new(BIO_s_file()); | |
179 | out = BIO_new(BIO_s_file()); | |
180 | if ((in == NULL) || (out == NULL)) { | |
181 | ERR_print_errors(bio_err); | |
182 | goto end; | |
183 | } | |
184 | if (debug) { | |
185 | BIO_set_callback(in, BIO_debug_callback); | |
186 | BIO_set_callback(out, BIO_debug_callback); | |
187 | BIO_set_callback_arg(in, bio_err); | |
188 | BIO_set_callback_arg(out, bio_err); | |
189 | } | |
190 | ||
191 | if (inf == NULL) | |
192 | BIO_set_fp(in, stdin, BIO_NOCLOSE); | |
193 | else { | |
194 | if (BIO_read_filename(in, inf) <= 0) { | |
195 | perror(inf); | |
196 | goto end; | |
197 | } | |
198 | } | |
199 | ||
200 | if (outf == NULL) | |
201 | BIO_set_fp(out, stdout, BIO_NOCLOSE); | |
202 | else { | |
203 | if (BIO_write_filename(out, outf) <= 0) { | |
204 | perror(outf); | |
205 | goto end; | |
206 | } | |
207 | } | |
208 | ||
209 | rbio = in; | |
210 | wbio = out; | |
211 | ||
212 | if (base64) { | |
213 | if ((b64 = BIO_new(BIO_f_base64())) == NULL) | |
214 | goto end; | |
215 | if (debug) { | |
216 | BIO_set_callback(b64, BIO_debug_callback); | |
217 | BIO_set_callback_arg(b64, bio_err); | |
218 | } | |
219 | if (enc) | |
220 | wbio = BIO_push(b64, wbio); | |
221 | else | |
222 | rbio = BIO_push(b64, rbio); | |
223 | } | |
224 | ||
225 | for (;;) { | |
226 | inl = BIO_read(rbio, (char *)buff, bsize); | |
227 | if (inl <= 0) | |
228 | break; | |
229 | if (BIO_write(wbio, (char *)buff, inl) != inl) { | |
230 | BIO_printf(bio_err, "error writing output file\n"); | |
231 | goto end; | |
232 | } | |
233 | } | |
234 | BIO_flush(wbio); | |
235 | ||
236 | ret = 0; | |
237 | if (verbose) { | |
238 | BIO_printf(bio_err, "bytes read :%8ld\n", BIO_number_read(in)); | |
239 | BIO_printf(bio_err, "bytes written:%8ld\n", BIO_number_written(out)); | |
240 | } | |
241 | end: | |
242 | if (strbuf != NULL) | |
243 | OPENSSL_free(strbuf); | |
244 | if (buff != NULL) | |
245 | OPENSSL_free(buff); | |
246 | if (in != NULL) | |
247 | BIO_free(in); | |
248 | if (out != NULL) | |
249 | BIO_free(out); | |
250 | if (benc != NULL) | |
251 | BIO_free(benc); | |
252 | if (b64 != NULL) | |
253 | BIO_free(b64); | |
254 | EXIT(ret); | |
255 | } |