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#include <stdlib.h> 59 60#include <openssl/buf.h> 61#include <openssl/err.h> 62#include <openssl/lhash.h> 63#include <openssl/pem.h> 64#include <openssl/thread.h> 65 66 67#ifndef OPENSSL_NO_STDIO 68 69static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, 70 long argl, char **ret); 71static X509_LOOKUP_METHOD x509_file_lookup= 72 { 73 "Load file into cache", 74 NULL, /* new */ 75 NULL, /* free */ 76 NULL, /* init */ 77 NULL, /* shutdown */ 78 by_file_ctrl, /* ctrl */ 79 NULL, /* get_by_subject */ 80 NULL, /* get_by_issuer_serial */ 81 NULL, /* get_by_fingerprint */ 82 NULL, /* get_by_alias */ 83 }; 84 85X509_LOOKUP_METHOD *X509_LOOKUP_file(void) 86 { 87 return(&x509_file_lookup); 88 } 89 90static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, 91 char **ret) 92 { 93 int ok=0; 94 char *file; 95 96 switch (cmd) 97 { 98 case X509_L_FILE_LOAD: 99 if (argl == X509_FILETYPE_DEFAULT) 100 { 101 file = (char *)getenv(X509_get_default_cert_file_env()); 102 if (file) 103 ok = (X509_load_cert_crl_file(ctx,file, 104 X509_FILETYPE_PEM) != 0); 105 106 else 107 ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(), 108 X509_FILETYPE_PEM) != 0); 109 110 if (!ok) 111 { 112 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS); 113 } 114 } 115 else 116 { 117 if(argl == X509_FILETYPE_PEM) 118 ok = (X509_load_cert_crl_file(ctx,argp, 119 X509_FILETYPE_PEM) != 0); 120 else 121 ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0); 122 } 123 break; 124 } 125 return(ok); 126 } 127 128int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) 129 { 130 int ret=0; 131 BIO *in=NULL; 132 int i,count=0; 133 X509 *x=NULL; 134 135 if (file == NULL) return(1); 136 in=BIO_new(BIO_s_file()); 137 138 if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) 139 { 140 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 141 goto err; 142 } 143 144 if (type == X509_FILETYPE_PEM) 145 { 146 for (;;) 147 { 148 x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL); 149 if (x == NULL) 150 { 151 if ((ERR_GET_REASON(ERR_peek_last_error()) == 152 PEM_R_NO_START_LINE) && (count > 0)) 153 { 154 ERR_clear_error(); 155 break; 156 } 157 else 158 { 159 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 160 goto err; 161 } 162 } 163 i=X509_STORE_add_cert(ctx->store_ctx,x); 164 if (!i) goto err; 165 count++; 166 X509_free(x); 167 x=NULL; 168 } 169 ret=count; 170 } 171 else if (type == X509_FILETYPE_ASN1) 172 { 173 x=d2i_X509_bio(in,NULL); 174 if (x == NULL) 175 { 176 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB); 177 goto err; 178 } 179 i=X509_STORE_add_cert(ctx->store_ctx,x); 180 if (!i) goto err; 181 ret=i; 182 } 183 else 184 { 185 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE); 186 goto err; 187 } 188err: 189 if (x != NULL) X509_free(x); 190 if (in != NULL) BIO_free(in); 191 return(ret); 192 } 193 194int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) 195 { 196 int ret=0; 197 BIO *in=NULL; 198 int i,count=0; 199 X509_CRL *x=NULL; 200 201 if (file == NULL) return(1); 202 in=BIO_new(BIO_s_file()); 203 204 if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) 205 { 206 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 207 goto err; 208 } 209 210 if (type == X509_FILETYPE_PEM) 211 { 212 for (;;) 213 { 214 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 215 if (x == NULL) 216 { 217 if ((ERR_GET_REASON(ERR_peek_last_error()) == 218 PEM_R_NO_START_LINE) && (count > 0)) 219 { 220 ERR_clear_error(); 221 break; 222 } 223 else 224 { 225 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 226 goto err; 227 } 228 } 229 i=X509_STORE_add_crl(ctx->store_ctx,x); 230 if (!i) goto err; 231 count++; 232 X509_CRL_free(x); 233 x=NULL; 234 } 235 ret=count; 236 } 237 else if (type == X509_FILETYPE_ASN1) 238 { 239 x=d2i_X509_CRL_bio(in,NULL); 240 if (x == NULL) 241 { 242 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB); 243 goto err; 244 } 245 i=X509_STORE_add_crl(ctx->store_ctx,x); 246 if (!i) goto err; 247 ret=i; 248 } 249 else 250 { 251 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE); 252 goto err; 253 } 254err: 255 if (x != NULL) X509_CRL_free(x); 256 if (in != NULL) BIO_free(in); 257 return(ret); 258 } 259 260int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) 261{ 262 STACK_OF(X509_INFO) *inf; 263 X509_INFO *itmp; 264 BIO *in; 265 size_t i; 266 int count = 0; 267 if(type != X509_FILETYPE_PEM) 268 return X509_load_cert_file(ctx, file, type); 269 in = BIO_new_file(file, "r"); 270 if(!in) { 271 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 272 return 0; 273 } 274 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 275 BIO_free(in); 276 if(!inf) { 277 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 278 return 0; 279 } 280 for(i = 0; i < sk_X509_INFO_num(inf); i++) { 281 itmp = sk_X509_INFO_value(inf, i); 282 if(itmp->x509) { 283 X509_STORE_add_cert(ctx->store_ctx, itmp->x509); 284 count++; 285 } 286 if(itmp->crl) { 287 X509_STORE_add_crl(ctx->store_ctx, itmp->crl); 288 count++; 289 } 290 } 291 sk_X509_INFO_pop_free(inf, X509_INFO_free); 292 return count; 293} 294 295#endif /* OPENSSL_NO_STDIO */ 296