1 /* apps/dgst.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 <string.h> 61 #include <stdlib.h> 62 #include "apps.h" 63 #include <openssl/bio.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 BUFSIZE 71 #define BUFSIZE 1024*8 72 73 #undef PROG 74 #define PROG dgst_main 75 76 void do_fp(unsigned char *buf,BIO *f,int sep); 77 78 int MAIN(int, char **); 79 80 int MAIN(int argc, char **argv) 81 { 82 unsigned char *buf=NULL; 83 int i,err=0; 84 const EVP_MD *md=NULL,*m; 85 BIO *in=NULL,*inp; 86 BIO *bmd=NULL; 87 const char *name; 88 #define PROG_NAME_SIZE 16 89 char pname[PROG_NAME_SIZE]; 90 int separator=0; 91 int debug=0; 92 93 apps_startup(); 94 95 if ((buf=(unsigned char *)Malloc(BUFSIZE)) == NULL) 96 { 97 BIO_printf(bio_err,"out of memory\n"); 98 goto end; 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|BIO_FP_TEXT); 103 104 /* first check the program name */ 105 program_name(argv[0],pname,PROG_NAME_SIZE); 106 107 md=EVP_get_digestbyname(pname); 108 109 argc--; 110 argv++; 111 while (argc > 0) 112 { 113 if ((*argv)[0] != '-') break; 114 if (strcmp(*argv,"-c") == 0) 115 separator=1; 116 else if (strcmp(*argv,"-d") == 0) 117 debug=1; 118 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 119 md=m; 120 else 121 break; 122 argc--; 123 argv++; 124 } 125 126 if (md == NULL) 127 md=EVP_md5(); 128 129 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */ 130 { 131 BIO_printf(bio_err,"unknown option '%s'\n",*argv); 132 BIO_printf(bio_err,"options are\n"); 133 BIO_printf(bio_err,"-c to output the digest with separating colons\n"); 134 BIO_printf(bio_err,"-d to output debug info\n"); 135 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n", 136 LN_md5,LN_md5); 137 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 138 LN_md2,LN_md2); 139 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 140 LN_sha1,LN_sha1); 141 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 142 LN_sha,LN_sha); 143 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 144 LN_mdc2,LN_mdc2); 145 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 146 LN_ripemd160,LN_ripemd160); 147 err=1; 148 goto end; 149 } 150 151 in=BIO_new(BIO_s_file()); 152 bmd=BIO_new(BIO_f_md()); 153 if (debug) 154 { 155 BIO_set_callback(in,BIO_debug_callback); 156 /* needed for windows 3.1 */ 157 BIO_set_callback_arg(in,bio_err); 158 } 159 160 if ((in == NULL) || (bmd == NULL)) 161 { 162 ERR_print_errors(bio_err); 163 goto end; 164 } 165 166 /* we use md as a filter, reading from 'in' */ 167 BIO_set_md(bmd,md); 168 inp=BIO_push(bmd,in); 169 170 if (argc == 0) 171 { 172 BIO_set_fp(in,stdin,BIO_NOCLOSE); 173 do_fp(buf,inp,separator); 174 } 175 else 176 { 177 name=OBJ_nid2sn(md->type); 178 for (i=0; i<argc; i++) 179 { 180 if (BIO_read_filename(in,argv[i]) <= 0) 181 { 182 perror(argv[i]); 183 err++; 184 continue; 185 } 186 printf("%s(%s)= ",name,argv[i]); 187 do_fp(buf,inp,separator); 188 (void)BIO_reset(bmd); 189 } 190 } 191 end: 192 if (buf != NULL) 193 { 194 memset(buf,0,BUFSIZE); 195 Free(buf); 196 } 197 if (in != NULL) BIO_free(in); 198 if (bmd != NULL) BIO_free(bmd); 199 EXIT(err); 200 } 201 202 void do_fp(unsigned char *buf, BIO *bp, int sep) 203 { 204 int len; 205 int i; 206 207 for (;;) 208 { 209 i=BIO_read(bp,(char *)buf,BUFSIZE); 210 if (i <= 0) break; 211 } 212 len=BIO_gets(bp,(char *)buf,BUFSIZE); 213 214 for (i=0; i<len; i++) 215 { 216 if (sep && (i != 0)) 217 putc(':',stdout); 218 printf("%02x",buf[i]); 219 } 220 printf("\n"); 221 } 222 223