crypto/x509/by_file.c

   1 /* crypto/x509/by_file.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <time.h>
  61 #include <errno.h>
  62
  63 #include "cryptlib.h"
  64 #include <openssl/lhash.h>
  65 #include <openssl/buffer.h>
  66 #include <openssl/x509.h>
  67 #include <openssl/pem.h>
  68
  69 #ifndef NO_STDIO
  70
  71 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
  72         long argl, char **ret);
  73 X509_LOOKUP_METHOD x509_file_lookup=
  74         {
  75         "Load file into cache",
  76         NULL,           /* new */
  77         NULL,           /* free */
  78         NULL,           /* init */
  79         NULL,           /* shutdown */
  80         by_file_ctrl,   /* ctrl */
  81         NULL,           /* get_by_subject */
  82         NULL,           /* get_by_issuer_serial */
  83         NULL,           /* get_by_fingerprint */
  84         NULL,           /* get_by_alias */
  85         };
  86
  87 X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
  88         {
  89         return(&x509_file_lookup);
  90         }
  91
  92 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
  93              char **ret)
  94         {
  95         int ok=0;
  96         char *file;
  97
  98         switch (cmd)
  99                 {
 100         case X509_L_FILE_LOAD:
 101                 if (argl == X509_FILETYPE_DEFAULT)
 102                         {
 103                         ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(),
 104                                 X509_FILETYPE_PEM) != 0);
 105                         if (!ok)
 106                                 {
 107                                 X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS);
 108                                 }
 109                         else
 110                                 {
 111                                 file=(char *)Getenv(X509_get_default_cert_file_env());
 112                                 ok = (X509_load_cert_crl_file(ctx,file,
 113                                         X509_FILETYPE_PEM) != 0);
 114                                 }
 115                         }
 116                 else
 117                         {
 118                         if(argl == X509_FILETYPE_PEM)
 119                                 ok = (X509_load_cert_crl_file(ctx,argp,
 120                                         X509_FILETYPE_PEM) != 0);
 121                         else
 122                                 ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0);
 123                         }
 124                 break;
 125                 }
 126         return(ok);
 127         }
 128
 129 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
 130         {
 131         int ret=0;
 132         BIO *in=NULL;
 133         int i,count=0;
 134         X509 *x=NULL;
 135
 136         if (file == NULL) return(1);
 137         in=BIO_new(BIO_s_file_internal());
 138
 139         if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
 140                 {
 141                 X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);
 142                 goto err;
 143                 }
 144
 145         if (type == X509_FILETYPE_PEM)
 146                 {
 147                 for (;;)
 148                         {
 149                         x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL);
 150                         if (x == NULL)
 151                                 {
 152                                 if ((ERR_GET_REASON(ERR_peek_error()) ==
 153                                         PEM_R_NO_START_LINE) && (count > 0))
 154                                         {
 155                                         ERR_clear_error();
 156                                         break;
 157                                         }
 158                                 else
 159                                         {
 160                                         X509err(X509_F_X509_LOAD_CERT_FILE,
 161                                                 ERR_R_PEM_LIB);
 162                                         goto err;
 163                                         }
 164                                 }
 165                         i=X509_STORE_add_cert(ctx->store_ctx,x);
 166                         if (!i) goto err;
 167                         count++;
 168                         X509_free(x);
 169                         x=NULL;
 170                         }
 171                 ret=count;
 172                 }
 173         else if (type == X509_FILETYPE_ASN1)
 174                 {
 175                 x=d2i_X509_bio(in,NULL);
 176                 if (x == NULL)
 177                         {
 178                         X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);
 179                         goto err;
 180                         }
 181                 i=X509_STORE_add_cert(ctx->store_ctx,x);
 182                 if (!i) goto err;
 183                 ret=i;
 184                 }
 185         else
 186                 {
 187                 X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);
 188                 goto err;
 189                 }
 190 err:
 191         if (x != NULL) X509_free(x);
 192         if (in != NULL) BIO_free(in);
 193         return(ret);
 194         }
 195
 196 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
 197         {
 198         int ret=0;
 199         BIO *in=NULL;
 200         int i,count=0;
 201         X509_CRL *x=NULL;
 202
 203         if (file == NULL) return(1);
 204         in=BIO_new(BIO_s_file_internal());
 205
 206         if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
 207                 {
 208                 X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB);
 209                 goto err;
 210                 }
 211
 212         if (type == X509_FILETYPE_PEM)
 213                 {
 214                 for (;;)
 215                         {
 216                         x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
 217                         if (x == NULL)
 218                                 {
 219                                 if ((ERR_GET_REASON(ERR_peek_error()) ==
 220                                         PEM_R_NO_START_LINE) && (count > 0))
 221                                         {
 222                                         ERR_clear_error();
 223                                         break;
 224                                         }
 225                                 else
 226                                         {
 227                                         X509err(X509_F_X509_LOAD_CRL_FILE,
 228                                                 ERR_R_PEM_LIB);
 229                                         goto err;
 230                                         }
 231                                 }
 232                         i=X509_STORE_add_crl(ctx->store_ctx,x);
 233                         if (!i) goto err;
 234                         count++;
 235                         X509_CRL_free(x);
 236                         x=NULL;
 237                         }
 238                 ret=count;
 239                 }
 240         else if (type == X509_FILETYPE_ASN1)
 241                 {
 242                 x=d2i_X509_CRL_bio(in,NULL);
 243                 if (x == NULL)
 244                         {
 245                         X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB);
 246                         goto err;
 247                         }
 248                 i=X509_STORE_add_crl(ctx->store_ctx,x);
 249                 if (!i) goto err;
 250                 ret=i;
 251                 }
 252         else
 253                 {
 254                 X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE);
 255                 goto err;
 256                 }
 257 err:
 258         if (x != NULL) X509_CRL_free(x);
 259         if (in != NULL) BIO_free(in);
 260         return(ret);
 261         }
 262
 263 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
 264 {
 265         STACK_OF(X509_INFO) *inf;
 266         X509_INFO *itmp;
 267         BIO *in;
 268         int i, count = 0;
 269         if(type != X509_FILETYPE_PEM)
 270                 return X509_load_cert_file(ctx, file, type);
 271         in = BIO_new_file(file, "r");
 272         if(!in) {
 273                 X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_SYS_LIB);
 274                 return 0;
 275         }
 276         inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
 277         BIO_free(in);
 278         if(!inf) {
 279                 X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_PEM_LIB);
 280                 return 0;
 281         }
 282         for(i = 0; i < sk_X509_INFO_num(inf); i++) {
 283                 itmp = sk_X509_INFO_value(inf, i);
 284                 if(itmp->x509) {
 285                         X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
 286                         count++;
 287                 } else if(itmp->crl) {
 288                         X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
 289                         count++;
 290                 }
 291         }
 292         sk_X509_INFO_pop_free(inf, X509_INFO_free);
 293         return count;
 294 }
 295
 296
 297 #endif /* NO_STDIO */
 298