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 */ 298 299