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/apps.h" 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> 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 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=NULL,*wbio=NULL; 93 #define PROG_NAME_SIZE 39 94 95 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 { 108 if (strcmp(*argv,"-e") == 0) 109 enc=1; 110 if (strcmp(*argv,"-in") == 0) 111 { 112 if (--argc < 1) goto bad; 113 inf= *(++argv); 114 } 115 else if (strcmp(*argv,"-out") == 0) 116 { 117 if (--argc < 1) goto bad; 118 outf= *(++argv); 119 } 120 else if (strcmp(*argv,"-d") == 0) 121 enc=0; 122 else if (strcmp(*argv,"-v") == 0) 123 verbose=1; 124 else if (strcmp(*argv,"-debug") == 0) 125 debug=1; 126 else if (strcmp(*argv,"-bufsize") == 0) 127 { 128 if (--argc < 1) goto bad; 129 bufsize=(unsigned char *)*(++argv); 130 } 131 else 132 { 133 BIO_printf(bio_err,"unknown option '%s'\n",*argv); 134 bad: 135 BIO_printf(bio_err,"options are\n"); 136 BIO_printf(bio_err,"%-14s input file\n","-in <file>"); 137 BIO_printf(bio_err,"%-14s output file\n","-out <file>"); 138 BIO_printf(bio_err,"%-14s encode\n","-e"); 139 BIO_printf(bio_err,"%-14s decode\n","-d"); 140 BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>"); 141 142 goto end; 143 } 144 argc--; 145 argv++; 146 } 147 148 if (bufsize != NULL) 149 { 150 int i; 151 unsigned long n; 152 153 for (n=0; *bufsize; bufsize++) 154 { 155 i= *bufsize; 156 if ((i <= '9') && (i >= '0')) 157 n=n*10+i-'0'; 158 else if (i == 'k') 159 { 160 n*=1024; 161 bufsize++; 162 break; 163 } 164 } 165 if (*bufsize != '\0') 166 { 167 BIO_printf(bio_err,"invalid 'bufsize' specified.\n"); 168 goto end; 169 } 170 171 /* It must be large enough for a base64 encoded line */ 172 if (n < 80) n=80; 173 174 bsize=(int)n; 175 if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize); 176 } 177 178 strbuf=OPENSSL_malloc(SIZE); 179 buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); 180 if ((buff == NULL) || (strbuf == NULL)) 181 { 182 BIO_printf(bio_err,"OPENSSL_malloc failure\n"); 183 goto end; 184 } 185 186 in=BIO_new(BIO_s_file()); 187 out=BIO_new(BIO_s_file()); 188 if ((in == NULL) || (out == NULL)) 189 { 190 ERR_print_errors(bio_err); 191 goto end; 192 } 193 if (debug) 194 { 195 BIO_set_callback(in,BIO_debug_callback); 196 BIO_set_callback(out,BIO_debug_callback); 197 BIO_set_callback_arg(in,bio_err); 198 BIO_set_callback_arg(out,bio_err); 199 } 200 201 if (inf == NULL) 202 BIO_set_fp(in,stdin,BIO_NOCLOSE); 203 else 204 { 205 if (BIO_read_filename(in,inf) <= 0) 206 { 207 perror(inf); 208 goto end; 209 } 210 } 211 212 if (outf == NULL) 213 BIO_set_fp(out,stdout,BIO_NOCLOSE); 214 else 215 { 216 if (BIO_write_filename(out,outf) <= 0) 217 { 218 perror(outf); 219 goto end; 220 } 221 } 222 223 rbio=in; 224 wbio=out; 225 226 if (base64) 227 { 228 if ((b64=BIO_new(BIO_f_base64())) == NULL) 229 goto end; 230 if (debug) 231 { 232 BIO_set_callback(b64,BIO_debug_callback); 233 BIO_set_callback_arg(b64,bio_err); 234 } 235 if (enc) 236 wbio=BIO_push(b64,wbio); 237 else 238 rbio=BIO_push(b64,rbio); 239 } 240 241 for (;;) 242 { 243 inl=BIO_read(rbio,(char *)buff,bsize); 244 if (inl <= 0) break; 245 if (BIO_write(wbio,(char *)buff,inl) != inl) 246 { 247 BIO_printf(bio_err,"error writing output file\n"); 248 goto end; 249 } 250 } 251 BIO_flush(wbio); 252 253 ret=0; 254 if (verbose) 255 { 256 BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in)); 257 BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out)); 258 } 259 end: 260 if (strbuf != NULL) OPENSSL_free(strbuf); 261 if (buff != NULL) OPENSSL_free(buff); 262 if (in != NULL) BIO_free(in); 263 if (out != NULL) BIO_free(out); 264 if (benc != NULL) BIO_free(benc); 265 if (b64 != NULL) BIO_free(b64); 266 EXIT(ret); 267 } 268 269