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1 /* apps/dgst.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 #include <stdio.h> |
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60 #include <string.h> |
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61 #include <stdlib.h> |
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62 #include "apps.h" |
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63 #include <openssl/bio.h> |
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64 #include <openssl/err.h> |
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65 #include <openssl/evp.h> |
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66 #include <openssl/objects.h> |
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67 #include <openssl/x509.h> |
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68 #include <openssl/pem.h> |
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69 |
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70 #undef BUFSIZE |
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71 #define BUFSIZE 1024*8 |
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72 |
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73 #undef PROG |
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74 #define PROG dgst_main |
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75 |
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76 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
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77 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, |
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78 const char *file); |
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79 |
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80 |
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81 int MAIN(int, char **); |
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82 |
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83 int MAIN(int argc, char **argv) |
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84 { |
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85 ENGINE *e = NULL; |
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86 unsigned char *buf=NULL; |
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87 int i,err=0; |
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88 const EVP_MD *md=NULL,*m; |
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89 BIO *in=NULL,*inp; |
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90 BIO *bmd=NULL; |
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91 BIO *out = NULL; |
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92 const char *name; |
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93 #define PROG_NAME_SIZE 39 |
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94 char pname[PROG_NAME_SIZE+1]; |
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95 int separator=0; |
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96 int debug=0; |
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97 int keyform=FORMAT_PEM; |
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98 const char *outfile = NULL, *keyfile = NULL; |
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99 const char *sigfile = NULL, *randfile = NULL; |
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100 int out_bin = -1, want_pub = 0, do_verify = 0; |
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101 EVP_PKEY *sigkey = NULL; |
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102 unsigned char *sigbuf = NULL; |
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103 int siglen = 0; |
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104 char *passargin = NULL, *passin = NULL; |
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105 #ifndef OPENSSL_NO_ENGINE |
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106 char *engine=NULL; |
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107 #endif |
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108 |
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109 apps_startup(); |
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110 |
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111 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) |
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112 { |
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113 BIO_printf(bio_err,"out of memory\n"); |
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114 goto end; |
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115 } |
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116 if (bio_err == NULL) |
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117 if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
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118 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
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119 |
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120 |
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121 |
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122 if (!load_config(bio_err, NULL)) |
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123 goto end; |
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124 |
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125 /* first check the program name */ |
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126 program_name(argv[0],pname,sizeof pname); |
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127 |
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128 md=EVP_get_digestbyname(pname); |
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129 |
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130 argc--; |
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131 argv++; |
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132 while (argc > 0) |
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133 { |
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134 if ((*argv)[0] != '-') break; |
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135 if (strcmp(*argv,"-c") == 0) |
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136 separator=1; |
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137 else if (strcmp(*argv,"-rand") == 0) |
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138 { |
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139 if (--argc < 1) break; |
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140 randfile=*(++argv); |
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141 } |
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142 else if (strcmp(*argv,"-out") == 0) |
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143 { |
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144 if (--argc < 1) break; |
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145 outfile=*(++argv); |
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146 } |
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147 else if (strcmp(*argv,"-sign") == 0) |
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148 { |
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149 if (--argc < 1) break; |
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150 keyfile=*(++argv); |
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151 } |
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152 else if (!strcmp(*argv,"-passin")) |
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153 { |
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154 if (--argc < 1) |
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155 break; |
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156 passargin=*++argv; |
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157 } |
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158 else if (strcmp(*argv,"-verify") == 0) |
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159 { |
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160 if (--argc < 1) break; |
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161 keyfile=*(++argv); |
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162 want_pub = 1; |
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163 do_verify = 1; |
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164 } |
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165 else if (strcmp(*argv,"-prverify") == 0) |
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166 { |
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167 if (--argc < 1) break; |
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168 keyfile=*(++argv); |
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169 do_verify = 1; |
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170 } |
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171 else if (strcmp(*argv,"-signature") == 0) |
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172 { |
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173 if (--argc < 1) break; |
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174 sigfile=*(++argv); |
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175 } |
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176 else if (strcmp(*argv,"-keyform") == 0) |
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177 { |
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178 if (--argc < 1) break; |
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179 keyform=str2fmt(*(++argv)); |
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180 } |
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181 #ifndef OPENSSL_NO_ENGINE |
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182 else if (strcmp(*argv,"-engine") == 0) |
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183 { |
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184 if (--argc < 1) break; |
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185 engine= *(++argv); |
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186 } |
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187 #endif |
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188 else if (strcmp(*argv,"-hex") == 0) |
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189 out_bin = 0; |
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190 else if (strcmp(*argv,"-binary") == 0) |
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191 out_bin = 1; |
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192 else if (strcmp(*argv,"-d") == 0) |
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193 debug=1; |
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194 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) |
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195 md=m; |
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196 else |
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197 break; |
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198 argc--; |
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199 argv++; |
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200 } |
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201 |
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202 if (md == NULL) |
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203 md=EVP_md5(); |
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204 |
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205 if(do_verify && !sigfile) { |
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206 BIO_printf(bio_err, "No signature to verify: use the -signature option\n"); |
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207 err = 1; |
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208 goto end; |
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209 } |
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210 |
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211 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */ |
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212 { |
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213 BIO_printf(bio_err,"unknown option '%s'\n",*argv); |
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214 BIO_printf(bio_err,"options are\n"); |
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215 BIO_printf(bio_err,"-c to output the digest with separating colons\n"); |
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216 BIO_printf(bio_err,"-d to output debug info\n"); |
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217 BIO_printf(bio_err,"-hex output as hex dump\n"); |
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218 BIO_printf(bio_err,"-binary output in binary form\n"); |
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219 BIO_printf(bio_err,"-sign file sign digest using private key in file\n"); |
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220 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n"); |
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221 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n"); |
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222 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n"); |
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223 BIO_printf(bio_err,"-signature file signature to verify\n"); |
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224 BIO_printf(bio_err,"-binary output in binary form\n"); |
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225 #ifndef OPENSSL_NO_ENGINE |
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226 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n"); |
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227 #endif |
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228 |
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229 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n", |
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230 LN_md5,LN_md5); |
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231 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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232 LN_md4,LN_md4); |
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233 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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234 LN_md2,LN_md2); |
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235 #ifndef OPENSSL_NO_SHA |
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236 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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237 LN_sha1,LN_sha1); |
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238 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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239 LN_sha,LN_sha); |
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240 #ifndef OPENSSL_NO_SHA256 |
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241 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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242 LN_sha256,LN_sha256); |
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243 #endif |
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244 #ifndef OPENSSL_NO_SHA512 |
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245 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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246 LN_sha512,LN_sha512); |
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247 #endif |
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248 #endif |
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249 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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250 LN_mdc2,LN_mdc2); |
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251 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", |
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252 LN_ripemd160,LN_ripemd160); |
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253 err=1; |
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254 goto end; |
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255 } |
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256 |
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257 #ifndef OPENSSL_NO_ENGINE |
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258 e = setup_engine(bio_err, engine, 0); |
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259 #endif |
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260 |
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261 in=BIO_new(BIO_s_file()); |
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262 bmd=BIO_new(BIO_f_md()); |
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263 if (debug) |
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264 { |
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265 BIO_set_callback(in,BIO_debug_callback); |
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266 /* needed for windows 3.1 */ |
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267 BIO_set_callback_arg(in,(char *)bio_err); |
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268 } |
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269 |
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270 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
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271 { |
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272 BIO_printf(bio_err, "Error getting password\n"); |
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273 goto end; |
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274 } |
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275 |
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276 if ((in == NULL) || (bmd == NULL)) |
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277 { |
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278 ERR_print_errors(bio_err); |
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279 goto end; |
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280 } |
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281 |
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282 if(out_bin == -1) { |
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283 if(keyfile) out_bin = 1; |
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284 else out_bin = 0; |
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285 } |
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286 |
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287 if(randfile) |
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288 app_RAND_load_file(randfile, bio_err, 0); |
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289 |
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290 if(outfile) { |
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291 if(out_bin) |
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292 out = BIO_new_file(outfile, "wb"); |
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293 else out = BIO_new_file(outfile, "w"); |
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294 } else { |
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295 |
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296 out = BIO_new_fp(stdout, BIO_NOCLOSE); |
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297 #ifdef OPENSSL_SYS_VMS |
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298 { |
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299 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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300 out = BIO_push(tmpbio, out); |
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301 } |
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302 #endif |
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303 } |
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304 |
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305 if(!out) { |
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306 BIO_printf(bio_err, "Error opening output file %s\n", |
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307 outfile ? outfile : "(stdout)"); |
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308 ERR_print_errors(bio_err); |
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309 goto end; |
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310 } |
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311 |
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312 if(keyfile) |
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313 { |
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314 if (want_pub) |
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315 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL, |
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316 e, "key file"); |
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317 else |
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318 sigkey = load_key(bio_err, keyfile, keyform, 0, passin, |
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319 e, "key file"); |
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320 if (!sigkey) |
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321 { |
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322 /* load_[pub]key() has already printed an appropriate |
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323 message */ |
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324 goto end; |
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325 } |
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326 } |
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327 |
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328 if(sigfile && sigkey) { |
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329 BIO *sigbio; |
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330 sigbio = BIO_new_file(sigfile, "rb"); |
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331 siglen = EVP_PKEY_size(sigkey); |
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332 sigbuf = OPENSSL_malloc(siglen); |
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333 if(!sigbio) { |
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334 BIO_printf(bio_err, "Error opening signature file %s\n", |
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335 sigfile); |
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336 ERR_print_errors(bio_err); |
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337 goto end; |
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338 } |
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339 siglen = BIO_read(sigbio, sigbuf, siglen); |
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340 BIO_free(sigbio); |
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341 if(siglen <= 0) { |
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342 BIO_printf(bio_err, "Error reading signature file %s\n", |
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343 sigfile); |
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344 ERR_print_errors(bio_err); |
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345 goto end; |
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346 } |
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347 } |
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348 |
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349 |
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350 |
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351 /* we use md as a filter, reading from 'in' */ |
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352 if (!BIO_set_md(bmd,md)) |
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353 { |
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354 BIO_printf(bio_err, "Error setting digest %s\n", pname); |
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355 ERR_print_errors(bio_err); |
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356 goto end; |
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357 } |
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358 |
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359 inp=BIO_push(bmd,in); |
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360 |
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361 if (argc == 0) |
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362 { |
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363 |
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364 BIO_set_fp(in,stdin,BIO_NOCLOSE); |
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365 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, |
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366 siglen,"","(stdin)"); |
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367 } |
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368 else |
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369 { |
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370 name=OBJ_nid2sn(md->type); |
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371 for (i=0; i<argc; i++) |
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372 { |
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373 char *tmp,*tofree=NULL; |
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374 int r; |
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375 |
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376 if (BIO_read_filename(in,argv[i]) <= 0) |
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377 { |
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378 perror(argv[i]); |
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379 err++; |
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380 continue; |
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381 } |
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382 if(!out_bin) |
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383 { |
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384 size_t len = strlen(name)+strlen(argv[i])+5; |
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385 tmp=tofree=OPENSSL_malloc(len); |
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386 BIO_snprintf(tmp,len,"%s(%s)= ",name,argv[i]); |
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387 } |
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388 else |
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389 tmp=""; |
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390 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, |
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391 siglen,tmp,argv[i]); |
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392 if(r) |
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393 err=r; |
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394 if(tofree) |
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395 OPENSSL_free(tofree); |
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396 (void)BIO_reset(bmd); |
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397 } |
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398 } |
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399 end: |
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400 if (buf != NULL) |
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401 { |
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402 OPENSSL_cleanse(buf,BUFSIZE); |
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403 OPENSSL_free(buf); |
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404 } |
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405 if (in != NULL) BIO_free(in); |
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406 if (passin) |
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407 OPENSSL_free(passin); |
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408 BIO_free_all(out); |
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409 EVP_PKEY_free(sigkey); |
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410 if(sigbuf) OPENSSL_free(sigbuf); |
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411 if (bmd != NULL) BIO_free(bmd); |
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412 apps_shutdown(); |
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413 OPENSSL_EXIT(err); |
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414 } |
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415 |
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416 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
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417 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, |
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418 const char *file) |
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419 { |
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420 int len; |
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421 int i; |
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422 |
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423 for (;;) |
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424 { |
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425 i=BIO_read(bp,(char *)buf,BUFSIZE); |
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426 if(i < 0) |
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427 { |
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428 BIO_printf(bio_err, "Read Error in %s\n",file); |
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429 ERR_print_errors(bio_err); |
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430 return 1; |
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431 } |
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432 if (i == 0) break; |
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433 } |
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434 if(sigin) |
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435 { |
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436 EVP_MD_CTX *ctx; |
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437 BIO_get_md_ctx(bp, &ctx); |
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438 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key); |
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439 if(i > 0) |
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440 BIO_printf(out, "Verified OK\n"); |
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441 else if(i == 0) |
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442 { |
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443 BIO_printf(out, "Verification Failure\n"); |
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444 return 1; |
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445 } |
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446 else |
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447 { |
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448 BIO_printf(bio_err, "Error Verifying Data\n"); |
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449 ERR_print_errors(bio_err); |
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450 return 1; |
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451 } |
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452 return 0; |
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453 } |
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454 if(key) |
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455 { |
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456 EVP_MD_CTX *ctx; |
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457 BIO_get_md_ctx(bp, &ctx); |
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458 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) |
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459 { |
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460 BIO_printf(bio_err, "Error Signing Data\n"); |
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461 ERR_print_errors(bio_err); |
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462 return 1; |
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463 } |
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464 } |
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465 else |
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466 len=BIO_gets(bp,(char *)buf,BUFSIZE); |
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467 |
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468 if(binout) BIO_write(out, buf, len); |
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469 else |
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470 { |
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471 BIO_write(out,title,strlen(title)); |
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472 for (i=0; i<len; i++) |
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473 { |
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474 if (sep && (i != 0)) |
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475 BIO_printf(out, ":"); |
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476 BIO_printf(out, "%02x",buf[i]); |
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477 } |
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478 BIO_printf(out, "\n"); |
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479 } |
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480 return 0; |
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481 } |
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482 |