1 | /* apps/spkac.c */ |
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2 | |
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3 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL |
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4 | * project 1999. Based on an original idea by Massimiliano Pala |
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5 | * (madwolf@openca.org). |
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6 | */ |
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7 | /* ==================================================================== |
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8 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions and the following disclaimer. |
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16 | * |
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17 | * 2. Redistributions in binary form must reproduce the above copyright |
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18 | * notice, this list of conditions and the following disclaimer in |
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19 | * the documentation and/or other materials provided with the |
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20 | * distribution. |
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21 | * |
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22 | * 3. All advertising materials mentioning features or use of this |
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23 | * software must display the following acknowledgment: |
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24 | * "This product includes software developed by the OpenSSL Project |
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25 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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26 | * |
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27 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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28 | * endorse or promote products derived from this software without |
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29 | * prior written permission. For written permission, please contact |
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30 | * licensing@OpenSSL.org. |
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31 | * |
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32 | * 5. Products derived from this software may not be called "OpenSSL" |
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33 | * nor may "OpenSSL" appear in their names without prior written |
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34 | * permission of the OpenSSL Project. |
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35 | * |
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36 | * 6. Redistributions of any form whatsoever must retain the following |
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37 | * acknowledgment: |
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38 | * "This product includes software developed by the OpenSSL Project |
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39 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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40 | * |
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41 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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42 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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44 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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45 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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46 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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47 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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48 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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49 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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50 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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51 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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52 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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53 | * ==================================================================== |
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54 | * |
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55 | * This product includes cryptographic software written by Eric Young |
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56 | * (eay@cryptsoft.com). This product includes software written by Tim |
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57 | * Hudson (tjh@cryptsoft.com). |
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58 | * |
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59 | */ |
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60 | #include <stdio.h> |
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61 | #include <stdlib.h> |
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62 | #include <string.h> |
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63 | #include <time.h> |
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64 | #include "apps.h" |
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65 | #include <openssl/bio.h> |
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66 | #include <openssl/conf.h> |
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67 | #include <openssl/err.h> |
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68 | #include <openssl/evp.h> |
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69 | #include <openssl/lhash.h> |
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70 | #include <openssl/x509.h> |
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71 | #include <openssl/pem.h> |
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72 | |
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73 | #undef PROG |
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74 | #define PROG spkac_main |
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75 | |
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76 | /* -in arg - input file - default stdin |
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77 | * -out arg - output file - default stdout |
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78 | */ |
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79 | |
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80 | int MAIN(int, char **); |
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81 | |
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82 | int MAIN(int argc, char **argv) |
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83 | { |
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84 | ENGINE *e = NULL; |
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85 | int i,badops=0, ret = 1; |
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86 | BIO *in = NULL,*out = NULL; |
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87 | int verify=0,noout=0,pubkey=0; |
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88 | char *infile = NULL,*outfile = NULL,*prog; |
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89 | char *passargin = NULL, *passin = NULL; |
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90 | char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL; |
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91 | char *challenge = NULL, *keyfile = NULL; |
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92 | CONF *conf = NULL; |
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93 | NETSCAPE_SPKI *spki = NULL; |
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94 | EVP_PKEY *pkey = NULL; |
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95 | char *engine=NULL; |
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96 | |
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97 | apps_startup(); |
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98 | |
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99 | if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); |
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100 | |
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101 | if (!load_config(bio_err, NULL)) |
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102 | goto end; |
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103 | |
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104 | prog=argv[0]; |
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105 | argc--; |
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106 | argv++; |
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107 | while (argc >= 1) |
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108 | { |
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109 | if (strcmp(*argv,"-in") == 0) |
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110 | { |
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111 | if (--argc < 1) goto bad; |
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112 | infile= *(++argv); |
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113 | } |
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114 | else if (strcmp(*argv,"-out") == 0) |
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115 | { |
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116 | if (--argc < 1) goto bad; |
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117 | outfile= *(++argv); |
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118 | } |
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119 | else if (strcmp(*argv,"-passin") == 0) |
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120 | { |
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121 | if (--argc < 1) goto bad; |
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122 | passargin= *(++argv); |
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123 | } |
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124 | else if (strcmp(*argv,"-key") == 0) |
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125 | { |
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126 | if (--argc < 1) goto bad; |
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127 | keyfile= *(++argv); |
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128 | } |
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129 | else if (strcmp(*argv,"-challenge") == 0) |
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130 | { |
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131 | if (--argc < 1) goto bad; |
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132 | challenge= *(++argv); |
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133 | } |
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134 | else if (strcmp(*argv,"-spkac") == 0) |
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135 | { |
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136 | if (--argc < 1) goto bad; |
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137 | spkac= *(++argv); |
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138 | } |
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139 | else if (strcmp(*argv,"-spksect") == 0) |
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140 | { |
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141 | if (--argc < 1) goto bad; |
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142 | spksect= *(++argv); |
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143 | } |
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144 | else if (strcmp(*argv,"-engine") == 0) |
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145 | { |
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146 | if (--argc < 1) goto bad; |
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147 | engine= *(++argv); |
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148 | } |
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149 | else if (strcmp(*argv,"-noout") == 0) |
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150 | noout=1; |
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151 | else if (strcmp(*argv,"-pubkey") == 0) |
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152 | pubkey=1; |
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153 | else if (strcmp(*argv,"-verify") == 0) |
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154 | verify=1; |
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155 | else badops = 1; |
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156 | argc--; |
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157 | argv++; |
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158 | } |
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159 | |
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160 | if (badops) |
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161 | { |
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162 | bad: |
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163 | BIO_printf(bio_err,"%s [options]\n",prog); |
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164 | BIO_printf(bio_err,"where options are\n"); |
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165 | BIO_printf(bio_err," -in arg input file\n"); |
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166 | BIO_printf(bio_err," -out arg output file\n"); |
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167 | BIO_printf(bio_err," -key arg create SPKAC using private key\n"); |
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168 | BIO_printf(bio_err," -passin arg input file pass phrase source\n"); |
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169 | BIO_printf(bio_err," -challenge arg challenge string\n"); |
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170 | BIO_printf(bio_err," -spkac arg alternative SPKAC name\n"); |
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171 | BIO_printf(bio_err," -noout don't print SPKAC\n"); |
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172 | BIO_printf(bio_err," -pubkey output public key\n"); |
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173 | BIO_printf(bio_err," -verify verify SPKAC signature\n"); |
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174 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
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175 | goto end; |
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176 | } |
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177 | |
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178 | ERR_load_crypto_strings(); |
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179 | if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { |
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180 | BIO_printf(bio_err, "Error getting password\n"); |
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181 | goto end; |
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182 | } |
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183 | |
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184 | e = setup_engine(bio_err, engine, 0); |
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185 | |
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186 | if(keyfile) { |
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187 | pkey = load_key(bio_err, |
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188 | strcmp(keyfile, "-") ? keyfile : NULL, |
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189 | FORMAT_PEM, 1, passin, e, "private key"); |
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190 | if(!pkey) { |
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191 | goto end; |
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192 | } |
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193 | spki = NETSCAPE_SPKI_new(); |
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194 | if(challenge) ASN1_STRING_set(spki->spkac->challenge, |
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195 | challenge, strlen(challenge)); |
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196 | NETSCAPE_SPKI_set_pubkey(spki, pkey); |
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197 | NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); |
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198 | spkstr = NETSCAPE_SPKI_b64_encode(spki); |
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199 | |
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200 | if (outfile) out = BIO_new_file(outfile, "w"); |
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201 | else { |
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202 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
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203 | #ifdef OPENSSL_SYS_VMS |
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204 | { |
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205 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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206 | out = BIO_push(tmpbio, out); |
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207 | } |
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208 | #endif |
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209 | } |
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210 | |
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211 | if(!out) { |
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212 | BIO_printf(bio_err, "Error opening output file\n"); |
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213 | ERR_print_errors(bio_err); |
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214 | goto end; |
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215 | } |
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216 | BIO_printf(out, "SPKAC=%s\n", spkstr); |
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217 | OPENSSL_free(spkstr); |
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218 | ret = 0; |
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219 | goto end; |
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220 | } |
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221 | |
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222 | |
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223 | |
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224 | if (infile) in = BIO_new_file(infile, "r"); |
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225 | else in = BIO_new_fp(stdin, BIO_NOCLOSE); |
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226 | |
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227 | if(!in) { |
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228 | BIO_printf(bio_err, "Error opening input file\n"); |
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229 | ERR_print_errors(bio_err); |
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230 | goto end; |
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231 | } |
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232 | |
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233 | conf = NCONF_new(NULL); |
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234 | i = NCONF_load_bio(conf, in, NULL); |
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235 | |
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236 | if(!i) { |
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237 | BIO_printf(bio_err, "Error parsing config file\n"); |
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238 | ERR_print_errors(bio_err); |
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239 | goto end; |
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240 | } |
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241 | |
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242 | spkstr = NCONF_get_string(conf, spksect, spkac); |
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243 | |
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244 | if(!spkstr) { |
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245 | BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac); |
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246 | ERR_print_errors(bio_err); |
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247 | goto end; |
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248 | } |
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249 | |
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250 | spki = NETSCAPE_SPKI_b64_decode(spkstr, -1); |
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251 | |
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252 | if(!spki) { |
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253 | BIO_printf(bio_err, "Error loading SPKAC\n"); |
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254 | ERR_print_errors(bio_err); |
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255 | goto end; |
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256 | } |
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257 | |
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258 | if (outfile) out = BIO_new_file(outfile, "w"); |
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259 | else { |
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260 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
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261 | #ifdef OPENSSL_SYS_VMS |
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262 | { |
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263 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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264 | out = BIO_push(tmpbio, out); |
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265 | } |
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266 | #endif |
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267 | } |
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268 | |
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269 | if(!out) { |
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270 | BIO_printf(bio_err, "Error opening output file\n"); |
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271 | ERR_print_errors(bio_err); |
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272 | goto end; |
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273 | } |
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274 | |
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275 | if(!noout) NETSCAPE_SPKI_print(out, spki); |
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276 | pkey = NETSCAPE_SPKI_get_pubkey(spki); |
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277 | if(verify) { |
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278 | i = NETSCAPE_SPKI_verify(spki, pkey); |
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279 | if(i) BIO_printf(bio_err, "Signature OK\n"); |
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280 | else { |
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281 | BIO_printf(bio_err, "Signature Failure\n"); |
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282 | ERR_print_errors(bio_err); |
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283 | goto end; |
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284 | } |
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285 | } |
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286 | if(pubkey) PEM_write_bio_PUBKEY(out, pkey); |
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287 | |
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288 | ret = 0; |
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289 | |
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290 | end: |
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291 | NCONF_free(conf); |
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292 | NETSCAPE_SPKI_free(spki); |
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293 | BIO_free(in); |
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294 | BIO_free_all(out); |
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295 | EVP_PKEY_free(pkey); |
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296 | if(passin) OPENSSL_free(passin); |
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297 | apps_shutdown(); |
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298 | OPENSSL_EXIT(ret); |
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299 | } |
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