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 "Load file into cache", 75 NULL, /* new */ 76 NULL, /* free */ 77 NULL, /* init */ 78 NULL, /* shutdown */ 79 by_file_ctrl, /* ctrl */ 80 NULL, /* get_by_subject */ 81 NULL, /* get_by_issuer_serial */ 82 NULL, /* get_by_fingerprint */ 83 NULL, /* get_by_alias */ 84 }; 85 86 X509_LOOKUP_METHOD *X509_LOOKUP_file(void) 87 { 88 return (&x509_file_lookup); 89 } 90 91 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, 92 long argl, char **ret) 93 { 94 int ok = 0; 95 char *file; 96 97 switch (cmd) { 98 case X509_L_FILE_LOAD: 99 if (argl == X509_FILETYPE_DEFAULT) { 100 file = (char *)getenv(X509_get_default_cert_file_env()); 101 if (file) 102 ok = (X509_load_cert_crl_file(ctx, file, 103 X509_FILETYPE_PEM) != 0); 104 105 else 106 ok = (X509_load_cert_crl_file 107 (ctx, X509_get_default_cert_file(), 108 X509_FILETYPE_PEM) != 0); 109 110 if (!ok) { 111 X509err(X509_F_BY_FILE_CTRL, X509_R_LOADING_DEFAULTS); 112 } 113 } else { 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 } 124 125 int 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) 133 return (1); 134 in = BIO_new(BIO_s_file_internal()); 135 136 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 137 X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_SYS_LIB); 138 goto err; 139 } 140 141 if (type == X509_FILETYPE_PEM) { 142 for (;;) { 143 x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL); 144 if (x == NULL) { 145 if ((ERR_GET_REASON(ERR_peek_last_error()) == 146 PEM_R_NO_START_LINE) && (count > 0)) { 147 ERR_clear_error(); 148 break; 149 } else { 150 X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_PEM_LIB); 151 goto err; 152 } 153 } 154 i = X509_STORE_add_cert(ctx->store_ctx, x); 155 if (!i) 156 goto err; 157 count++; 158 X509_free(x); 159 x = NULL; 160 } 161 ret = count; 162 } else if (type == X509_FILETYPE_ASN1) { 163 x = d2i_X509_bio(in, NULL); 164 if (x == NULL) { 165 X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_ASN1_LIB); 166 goto err; 167 } 168 i = X509_STORE_add_cert(ctx->store_ctx, x); 169 if (!i) 170 goto err; 171 ret = i; 172 } else { 173 X509err(X509_F_X509_LOAD_CERT_FILE, X509_R_BAD_X509_FILETYPE); 174 goto err; 175 } 176 err: 177 if (x != NULL) 178 X509_free(x); 179 if (in != NULL) 180 BIO_free(in); 181 return (ret); 182 } 183 184 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) 185 { 186 int ret = 0; 187 BIO *in = NULL; 188 int i, count = 0; 189 X509_CRL *x = NULL; 190 191 if (file == NULL) 192 return (1); 193 in = BIO_new(BIO_s_file_internal()); 194 195 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 196 X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_SYS_LIB); 197 goto err; 198 } 199 200 if (type == X509_FILETYPE_PEM) { 201 for (;;) { 202 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); 203 if (x == NULL) { 204 if ((ERR_GET_REASON(ERR_peek_last_error()) == 205 PEM_R_NO_START_LINE) && (count > 0)) { 206 ERR_clear_error(); 207 break; 208 } else { 209 X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_PEM_LIB); 210 goto err; 211 } 212 } 213 i = X509_STORE_add_crl(ctx->store_ctx, x); 214 if (!i) 215 goto err; 216 count++; 217 X509_CRL_free(x); 218 x = NULL; 219 } 220 ret = count; 221 } else if (type == X509_FILETYPE_ASN1) { 222 x = d2i_X509_CRL_bio(in, NULL); 223 if (x == NULL) { 224 X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_ASN1_LIB); 225 goto err; 226 } 227 i = X509_STORE_add_crl(ctx->store_ctx, x); 228 if (!i) 229 goto err; 230 ret = i; 231 } else { 232 X509err(X509_F_X509_LOAD_CRL_FILE, X509_R_BAD_X509_FILETYPE); 233 goto err; 234 } 235 err: 236 if (x != NULL) 237 X509_CRL_free(x); 238 if (in != NULL) 239 BIO_free(in); 240 return (ret); 241 } 242 243 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) 244 { 245 STACK_OF(X509_INFO) *inf; 246 X509_INFO *itmp; 247 BIO *in; 248 int i, count = 0; 249 if (type != X509_FILETYPE_PEM) 250 return X509_load_cert_file(ctx, file, type); 251 in = BIO_new_file(file, "r"); 252 if (!in) { 253 X509err(X509_F_X509_LOAD_CERT_CRL_FILE, ERR_R_SYS_LIB); 254 return 0; 255 } 256 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 257 BIO_free(in); 258 if (!inf) { 259 X509err(X509_F_X509_LOAD_CERT_CRL_FILE, ERR_R_PEM_LIB); 260 return 0; 261 } 262 for (i = 0; i < sk_X509_INFO_num(inf); i++) { 263 itmp = sk_X509_INFO_value(inf, i); 264 if (itmp->x509) { 265 X509_STORE_add_cert(ctx->store_ctx, itmp->x509); 266 count++; 267 } 268 if (itmp->crl) { 269 X509_STORE_add_crl(ctx->store_ctx, itmp->crl); 270 count++; 271 } 272 } 273 sk_X509_INFO_pop_free(inf, X509_INFO_free); 274 return count; 275 } 276 277 #endif /* OPENSSL_NO_STDIO */ 278