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 71static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, 72 long argl, char **ret); 73X509_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 87X509_LOOKUP_METHOD *X509_LOOKUP_file(void) 88 { 89 return(&x509_file_lookup); 90 } 91 92static 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 130int 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 } 191err: 192 if (x != NULL) X509_free(x); 193 if (in != NULL) BIO_free(in); 194 return(ret); 195 } 196 197int 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 } 258err: 259 if (x != NULL) X509_CRL_free(x); 260 if (in != NULL) BIO_free(in); 261 return(ret); 262 } 263 264int 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 */ 300 301