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1 /* apps/crl.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 <stdlib.h> |
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61 #include <string.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/x509.h> |
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66 #include <openssl/x509v3.h> |
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67 #include <openssl/pem.h> |
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68 |
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69 #undef PROG |
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70 #define PROG crl_main |
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71 |
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72 #undef POSTFIX |
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73 #define POSTFIX ".rvk" |
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74 |
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75 static const char *crl_usage[]={ |
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76 "usage: crl args\n", |
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77 "\n", |
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78 " -inform arg - input format - default PEM (DER or PEM)\n", |
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79 " -outform arg - output format - default PEM\n", |
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80 " -text - print out a text format version\n", |
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81 " -in arg - input file - default stdin\n", |
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82 " -out arg - output file - default stdout\n", |
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83 " -hash - print hash value\n", |
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84 " -fingerprint - print the crl fingerprint\n", |
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85 " -issuer - print issuer DN\n", |
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86 " -lastupdate - lastUpdate field\n", |
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87 " -nextupdate - nextUpdate field\n", |
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88 " -noout - no CRL output\n", |
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89 " -CAfile name - verify CRL using certificates in file \"name\"\n", |
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90 " -CApath dir - verify CRL using certificates in \"dir\"\n", |
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91 " -nameopt arg - various certificate name options\n", |
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92 NULL |
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93 }; |
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94 |
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95 static X509_CRL *load_crl(char *file, int format); |
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96 static BIO *bio_out=NULL; |
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97 |
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98 |
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99 int MAIN(int, char **); |
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100 |
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101 int MAIN(int argc, char **argv) |
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102 { |
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103 unsigned long nmflag = 0; |
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104 X509_CRL *x=NULL; |
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105 char *CAfile = NULL, *CApath = NULL; |
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106 int ret=1,i,num,badops=0; |
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107 BIO *out=NULL; |
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108 int informat,outformat; |
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109 char *infile=NULL,*outfile=NULL; |
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110 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; |
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111 int fingerprint = 0; |
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112 const char **pp; |
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113 X509_STORE *store = NULL; |
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114 X509_STORE_CTX ctx; |
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115 X509_LOOKUP *lookup = NULL; |
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116 X509_OBJECT xobj; |
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117 EVP_PKEY *pkey; |
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118 int do_ver = 0; |
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119 const EVP_MD *md_alg,*digest=EVP_sha1(); |
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120 |
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121 apps_startup(); |
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122 |
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123 if (bio_err == NULL) |
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124 if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
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125 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
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126 if (!load_config(bio_err, NULL)) |
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127 goto end; |
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128 |
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129 if (bio_out == NULL) |
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130 |
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131 if ((bio_out=BIO_new(BIO_s_file())) != NULL) |
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132 { |
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133 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); |
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134 |
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135 #ifdef OPENSSL_SYS_VMS |
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136 { |
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137 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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138 bio_out = BIO_push(tmpbio, bio_out); |
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139 } |
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140 #endif |
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141 } |
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142 |
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143 informat=FORMAT_PEM; |
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144 outformat=FORMAT_PEM; |
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145 |
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146 argc--; |
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147 argv++; |
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148 num=0; |
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149 while (argc >= 1) |
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150 { |
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151 #ifdef undef |
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152 if (strcmp(*argv,"-p") == 0) |
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153 { |
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154 if (--argc < 1) goto bad; |
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155 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ |
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156 } |
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157 #endif |
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158 if (strcmp(*argv,"-inform") == 0) |
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159 { |
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160 if (--argc < 1) goto bad; |
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161 informat=str2fmt(*(++argv)); |
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162 } |
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163 else if (strcmp(*argv,"-outform") == 0) |
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164 { |
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165 if (--argc < 1) goto bad; |
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166 outformat=str2fmt(*(++argv)); |
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167 } |
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168 else if (strcmp(*argv,"-in") == 0) |
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169 { |
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170 if (--argc < 1) goto bad; |
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171 infile= *(++argv); |
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172 } |
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173 else if (strcmp(*argv,"-out") == 0) |
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174 { |
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175 if (--argc < 1) goto bad; |
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176 outfile= *(++argv); |
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177 } |
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178 else if (strcmp(*argv,"-CApath") == 0) |
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179 { |
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180 if (--argc < 1) goto bad; |
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181 CApath = *(++argv); |
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182 do_ver = 1; |
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183 } |
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184 else if (strcmp(*argv,"-CAfile") == 0) |
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185 { |
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186 if (--argc < 1) goto bad; |
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187 CAfile = *(++argv); |
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188 do_ver = 1; |
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189 } |
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190 else if (strcmp(*argv,"-verify") == 0) |
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191 do_ver = 1; |
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192 else if (strcmp(*argv,"-text") == 0) |
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193 text = 1; |
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194 else if (strcmp(*argv,"-hash") == 0) |
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195 hash= ++num; |
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196 else if (strcmp(*argv,"-nameopt") == 0) |
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197 { |
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198 if (--argc < 1) goto bad; |
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199 if (!set_name_ex(&nmflag, *(++argv))) goto bad; |
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200 } |
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201 else if (strcmp(*argv,"-issuer") == 0) |
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202 issuer= ++num; |
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203 else if (strcmp(*argv,"-lastupdate") == 0) |
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204 lastupdate= ++num; |
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205 else if (strcmp(*argv,"-nextupdate") == 0) |
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206 nextupdate= ++num; |
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207 else if (strcmp(*argv,"-noout") == 0) |
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208 noout= ++num; |
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209 else if (strcmp(*argv,"-fingerprint") == 0) |
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210 fingerprint= ++num; |
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211 else if ((md_alg=EVP_get_digestbyname(*argv + 1))) |
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212 { |
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213 /* ok */ |
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214 digest=md_alg; |
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215 } |
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216 else |
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217 { |
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218 BIO_printf(bio_err,"unknown option %s\n",*argv); |
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219 badops=1; |
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220 break; |
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221 } |
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222 argc--; |
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223 argv++; |
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224 } |
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225 |
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226 if (badops) |
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227 { |
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228 bad: |
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229 for (pp=crl_usage; (*pp != NULL); pp++) |
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230 BIO_printf(bio_err,"%s",*pp); |
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231 goto end; |
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232 } |
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233 |
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234 ERR_load_crypto_strings(); |
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235 x=load_crl(infile,informat); |
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236 if (x == NULL) { goto end; } |
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237 |
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238 if(do_ver) { |
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239 store = X509_STORE_new(); |
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240 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); |
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241 if (lookup == NULL) goto end; |
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242 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) |
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243 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); |
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244 |
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245 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); |
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246 if (lookup == NULL) goto end; |
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247 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) |
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248 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); |
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249 ERR_clear_error(); |
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250 |
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251 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) { |
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252 BIO_printf(bio_err, |
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253 "Error initialising X509 store\n"); |
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254 goto end; |
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255 } |
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256 |
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257 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, |
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258 X509_CRL_get_issuer(x), &xobj); |
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259 if(i <= 0) { |
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260 BIO_printf(bio_err, |
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261 "Error getting CRL issuer certificate\n"); |
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262 goto end; |
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263 } |
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264 pkey = X509_get_pubkey(xobj.data.x509); |
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265 X509_OBJECT_free_contents(&xobj); |
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266 if(!pkey) { |
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267 BIO_printf(bio_err, |
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268 "Error getting CRL issuer public key\n"); |
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269 goto end; |
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270 } |
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271 i = X509_CRL_verify(x, pkey); |
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272 EVP_PKEY_free(pkey); |
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273 if(i < 0) goto end; |
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274 if(i == 0) BIO_printf(bio_err, "verify failure\n"); |
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275 else BIO_printf(bio_err, "verify OK\n"); |
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276 } |
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277 |
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278 if (num) |
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279 { |
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280 for (i=1; i<=num; i++) |
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281 { |
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282 if (issuer == i) |
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283 { |
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284 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag); |
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285 } |
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286 |
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287 if (hash == i) |
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288 { |
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289 BIO_printf(bio_out,"%08lx\n", |
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290 X509_NAME_hash(X509_CRL_get_issuer(x))); |
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291 } |
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292 if (lastupdate == i) |
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293 { |
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294 BIO_printf(bio_out,"lastUpdate="); |
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295 ASN1_TIME_print(bio_out, |
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296 X509_CRL_get_lastUpdate(x)); |
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297 BIO_printf(bio_out,"\n"); |
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298 } |
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299 if (nextupdate == i) |
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300 { |
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301 BIO_printf(bio_out,"nextUpdate="); |
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302 if (X509_CRL_get_nextUpdate(x)) |
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303 ASN1_TIME_print(bio_out, |
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304 X509_CRL_get_nextUpdate(x)); |
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305 else |
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306 BIO_printf(bio_out,"NONE"); |
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307 BIO_printf(bio_out,"\n"); |
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308 } |
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309 if (fingerprint == i) |
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310 { |
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311 int j; |
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312 unsigned int n; |
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313 unsigned char md[EVP_MAX_MD_SIZE]; |
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314 |
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315 if (!X509_CRL_digest(x,digest,md,&n)) |
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316 { |
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317 BIO_printf(bio_err,"out of memory\n"); |
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318 goto end; |
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319 } |
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320 BIO_printf(bio_out,"%s Fingerprint=", |
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321 OBJ_nid2sn(EVP_MD_type(digest))); |
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322 for (j=0; j<(int)n; j++) |
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323 { |
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324 BIO_printf(bio_out,"%02X%c",md[j], |
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325 (j+1 == (int)n) |
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326 ?'\n':':'); |
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327 } |
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328 } |
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329 } |
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330 } |
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331 |
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332 out=BIO_new(BIO_s_file()); |
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333 if (out == NULL) |
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334 { |
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335 ERR_print_errors(bio_err); |
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336 goto end; |
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337 } |
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338 |
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339 if (outfile == NULL) |
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340 { |
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341 BIO_set_fp(out,stdout,BIO_NOCLOSE); |
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342 #ifdef OPENSSL_SYS_VMS |
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343 { |
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344 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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345 out = BIO_push(tmpbio, out); |
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346 } |
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347 #endif |
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348 } |
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349 else |
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350 { |
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351 if (BIO_write_filename(out,outfile) <= 0) |
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352 { |
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353 perror(outfile); |
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354 goto end; |
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355 } |
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356 } |
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357 |
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358 if (text) X509_CRL_print(out, x); |
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359 |
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360 if (noout) |
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361 { |
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362 ret = 0; |
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363 goto end; |
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364 } |
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365 |
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366 if (outformat == FORMAT_ASN1) |
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367 i=(int)i2d_X509_CRL_bio(out,x); |
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368 else if (outformat == FORMAT_PEM) |
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369 i=PEM_write_bio_X509_CRL(out,x); |
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370 else |
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371 { |
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372 BIO_printf(bio_err,"bad output format specified for outfile\n"); |
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373 goto end; |
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374 } |
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375 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } |
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376 ret=0; |
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377 end: |
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378 BIO_free_all(out); |
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379 BIO_free_all(bio_out); |
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380 bio_out=NULL; |
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381 X509_CRL_free(x); |
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382 if(store) { |
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383 X509_STORE_CTX_cleanup(&ctx); |
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384 X509_STORE_free(store); |
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385 } |
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386 apps_shutdown(); |
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387 OPENSSL_EXIT(ret); |
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388 } |
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389 |
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390 static X509_CRL *load_crl(char *infile, int format) |
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391 { |
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392 X509_CRL *x=NULL; |
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393 BIO *in=NULL; |
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394 |
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395 in=BIO_new(BIO_s_file()); |
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396 if (in == NULL) |
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397 { |
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398 ERR_print_errors(bio_err); |
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399 goto end; |
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400 } |
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401 |
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402 if (infile == NULL) |
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403 BIO_set_fp(in,stdin,BIO_NOCLOSE); |
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404 else |
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405 { |
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406 if (BIO_read_filename(in,infile) <= 0) |
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407 { |
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408 perror(infile); |
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409 goto end; |
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410 } |
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411 } |
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412 if (format == FORMAT_ASN1) |
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413 x=d2i_X509_CRL_bio(in,NULL); |
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414 else if (format == FORMAT_PEM) |
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415 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); |
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416 else { |
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417 BIO_printf(bio_err,"bad input format specified for input crl\n"); |
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418 goto end; |
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419 } |
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420 if (x == NULL) |
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421 { |
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422 BIO_printf(bio_err,"unable to load CRL\n"); |
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423 ERR_print_errors(bio_err); |
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424 goto end; |
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425 } |
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426 |
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427 end: |
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428 BIO_free(in); |
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429 return(x); |
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430 } |
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431 |