Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 OPENSSL_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 | file = (char *)getenv(X509_get_default_cert_file_env()); |
| 104 | if (file) |
| 105 | ok = (X509_load_cert_crl_file(ctx,file, |
| 106 | X509_FILETYPE_PEM) != 0); |
| 107 | |
| 108 | else |
| 109 | ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(), |
| 110 | X509_FILETYPE_PEM) != 0); |
| 111 | |
| 112 | if (!ok) |
| 113 | { |
| 114 | X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS); |
| 115 | } |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | if(argl == X509_FILETYPE_PEM) |
| 120 | ok = (X509_load_cert_crl_file(ctx,argp, |
| 121 | X509_FILETYPE_PEM) != 0); |
| 122 | else |
| 123 | ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0); |
| 124 | } |
| 125 | break; |
| 126 | } |
| 127 | return(ok); |
| 128 | } |
| 129 | |
| 130 | int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) |
| 131 | { |
| 132 | int ret=0; |
| 133 | BIO *in=NULL; |
| 134 | int i,count=0; |
| 135 | X509 *x=NULL; |
| 136 | |
| 137 | if (file == NULL) return(1); |
| 138 | in=BIO_new(BIO_s_file_internal()); |
| 139 | |
| 140 | if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) |
| 141 | { |
| 142 | X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB); |
| 143 | goto err; |
| 144 | } |
| 145 | |
| 146 | if (type == X509_FILETYPE_PEM) |
| 147 | { |
| 148 | for (;;) |
| 149 | { |
| 150 | x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL); |
| 151 | if (x == NULL) |
| 152 | { |
| 153 | if ((ERR_GET_REASON(ERR_peek_last_error()) == |
| 154 | PEM_R_NO_START_LINE) && (count > 0)) |
| 155 | { |
| 156 | ERR_clear_error(); |
| 157 | break; |
| 158 | } |
| 159 | else |
| 160 | { |
| 161 | X509err(X509_F_X509_LOAD_CERT_FILE, |
| 162 | ERR_R_PEM_LIB); |
| 163 | goto err; |
| 164 | } |
| 165 | } |
| 166 | i=X509_STORE_add_cert(ctx->store_ctx,x); |
| 167 | if (!i) goto err; |
| 168 | count++; |
| 169 | X509_free(x); |
| 170 | x=NULL; |
| 171 | } |
| 172 | ret=count; |
| 173 | } |
| 174 | else if (type == X509_FILETYPE_ASN1) |
| 175 | { |
| 176 | x=d2i_X509_bio(in,NULL); |
| 177 | if (x == NULL) |
| 178 | { |
| 179 | X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB); |
| 180 | goto err; |
| 181 | } |
| 182 | i=X509_STORE_add_cert(ctx->store_ctx,x); |
| 183 | if (!i) goto err; |
| 184 | ret=i; |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE); |
| 189 | goto err; |
| 190 | } |
| 191 | err: |
| 192 | if (x != NULL) X509_free(x); |
| 193 | if (in != NULL) BIO_free(in); |
| 194 | return(ret); |
| 195 | } |
| 196 | |
| 197 | int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) |
| 198 | { |
| 199 | int ret=0; |
| 200 | BIO *in=NULL; |
| 201 | int i,count=0; |
| 202 | X509_CRL *x=NULL; |
| 203 | |
| 204 | if (file == NULL) return(1); |
| 205 | in=BIO_new(BIO_s_file_internal()); |
| 206 | |
| 207 | if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) |
| 208 | { |
| 209 | X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB); |
| 210 | goto err; |
| 211 | } |
| 212 | |
| 213 | if (type == X509_FILETYPE_PEM) |
| 214 | { |
| 215 | for (;;) |
| 216 | { |
| 217 | x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); |
| 218 | if (x == NULL) |
| 219 | { |
| 220 | if ((ERR_GET_REASON(ERR_peek_last_error()) == |
| 221 | PEM_R_NO_START_LINE) && (count > 0)) |
| 222 | { |
| 223 | ERR_clear_error(); |
| 224 | break; |
| 225 | } |
| 226 | else |
| 227 | { |
| 228 | X509err(X509_F_X509_LOAD_CRL_FILE, |
| 229 | ERR_R_PEM_LIB); |
| 230 | goto err; |
| 231 | } |
| 232 | } |
| 233 | i=X509_STORE_add_crl(ctx->store_ctx,x); |
| 234 | if (!i) goto err; |
| 235 | count++; |
| 236 | X509_CRL_free(x); |
| 237 | x=NULL; |
| 238 | } |
| 239 | ret=count; |
| 240 | } |
| 241 | else if (type == X509_FILETYPE_ASN1) |
| 242 | { |
| 243 | x=d2i_X509_CRL_bio(in,NULL); |
| 244 | if (x == NULL) |
| 245 | { |
| 246 | X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB); |
| 247 | goto err; |
| 248 | } |
| 249 | i=X509_STORE_add_crl(ctx->store_ctx,x); |
| 250 | if (!i) goto err; |
| 251 | ret=i; |
| 252 | } |
| 253 | else |
| 254 | { |
| 255 | X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE); |
| 256 | goto err; |
| 257 | } |
| 258 | err: |
| 259 | if (x != NULL) X509_CRL_free(x); |
| 260 | if (in != NULL) BIO_free(in); |
| 261 | return(ret); |
| 262 | } |
| 263 | |
| 264 | int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) |
| 265 | { |
| 266 | STACK_OF(X509_INFO) *inf; |
| 267 | X509_INFO *itmp; |
| 268 | BIO *in; |
| 269 | int i, count = 0; |
| 270 | if(type != X509_FILETYPE_PEM) |
| 271 | return X509_load_cert_file(ctx, file, type); |
| 272 | in = BIO_new_file(file, "r"); |
| 273 | if(!in) { |
| 274 | X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_SYS_LIB); |
| 275 | return 0; |
| 276 | } |
| 277 | inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); |
| 278 | BIO_free(in); |
| 279 | if(!inf) { |
| 280 | X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_PEM_LIB); |
| 281 | return 0; |
| 282 | } |
| 283 | for(i = 0; i < sk_X509_INFO_num(inf); i++) { |
| 284 | itmp = sk_X509_INFO_value(inf, i); |
| 285 | if(itmp->x509) { |
| 286 | X509_STORE_add_cert(ctx->store_ctx, itmp->x509); |
| 287 | count++; |
| 288 | } |
| 289 | if(itmp->crl) { |
| 290 | X509_STORE_add_crl(ctx->store_ctx, itmp->crl); |
| 291 | count++; |
| 292 | } |
| 293 | } |
| 294 | sk_X509_INFO_pop_free(inf, X509_INFO_free); |
| 295 | return count; |
| 296 | } |
| 297 | |
| 298 | |
| 299 | #endif /* OPENSSL_NO_STDIO */ |
| 300 | |