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