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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. | |
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> | |
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 | ||
74 | #define SIZE (512) | |
75 | #define BSIZE (8*1024) | |
76 | #define PROG enc_main | |
77 | ||
78 | int main(argc,argv) | |
79 | int argc; | |
80 | char **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); | |
136 | bad: | |
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 | ||
26a3a48d RL |
180 | strbuf=OPENSSL_malloc(SIZE); |
181 | buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); | |
d02b48c6 RE |
182 | if ((buff == NULL) || (strbuf == NULL)) |
183 | { | |
26a3a48d | 184 | BIO_printf(bio_err,"OPENSSL_malloc failure\n"); |
d02b48c6 RE |
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 | } | |
261 | end: | |
26a3a48d RL |
262 | if (strbuf != NULL) OPENSSL_free(strbuf); |
263 | if (buff != NULL) OPENSSL_free(buff); | |
d02b48c6 RE |
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 |