1 /* crypto/x509/by_file.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 #ifndef OPENSSL_NO_STDIO 67 68 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, 69 long argl, char **ret); 70 static X509_LOOKUP_METHOD x509_file_lookup = { 71 "Load file into cache", 72 NULL, /* new */ 73 NULL, /* free */ 74 NULL, /* init */ 75 NULL, /* shutdown */ 76 by_file_ctrl, /* ctrl */ 77 NULL, /* get_by_subject */ 78 NULL, /* get_by_issuer_serial */ 79 NULL, /* get_by_fingerprint */ 80 NULL, /* get_by_alias */ 81 }; 82 83 X509_LOOKUP_METHOD *X509_LOOKUP_file(void) 84 { 85 return (&x509_file_lookup); 86 } 87 88 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, 89 long argl, char **ret) 90 { 91 int ok = 0; 92 const char *file; 93 94 switch (cmd) { 95 case X509_L_FILE_LOAD: 96 if (argl == X509_FILETYPE_DEFAULT) { 97 file = getenv(X509_get_default_cert_file_env()); 98 if (file) 99 ok = (X509_load_cert_crl_file(ctx, file, 100 X509_FILETYPE_PEM) != 0); 101 102 else 103 ok = (X509_load_cert_crl_file 104 (ctx, X509_get_default_cert_file(), 105 X509_FILETYPE_PEM) != 0); 106 107 if (!ok) { 108 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS); 109 } 110 } else { 111 if (argl == X509_FILETYPE_PEM) 112 ok = (X509_load_cert_crl_file(ctx, argp, 113 X509_FILETYPE_PEM) != 0); 114 else 115 ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0); 116 } 117 break; 118 } 119 return (ok); 120 } 121 122 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) 123 { 124 int ret = 0; 125 BIO *in = NULL; 126 int i, count = 0; 127 X509 *x = NULL; 128 129 if (file == NULL) 130 return (1); 131 in = BIO_new(BIO_s_file()); 132 133 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 134 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 135 goto err; 136 } 137 138 if (type == X509_FILETYPE_PEM) { 139 for (;;) { 140 x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL); 141 if (x == NULL) { 142 if ((ERR_GET_REASON(ERR_peek_last_error()) == 143 PEM_R_NO_START_LINE) && (count > 0)) { 144 ERR_clear_error(); 145 break; 146 } else { 147 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 148 goto err; 149 } 150 } 151 i = X509_STORE_add_cert(ctx->store_ctx, x); 152 if (!i) 153 goto err; 154 count++; 155 X509_free(x); 156 x = NULL; 157 } 158 ret = count; 159 } else if (type == X509_FILETYPE_ASN1) { 160 x = d2i_X509_bio(in, NULL); 161 if (x == NULL) { 162 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB); 163 goto err; 164 } 165 i = X509_STORE_add_cert(ctx->store_ctx, x); 166 if (!i) 167 goto err; 168 ret = i; 169 } else { 170 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE); 171 goto err; 172 } 173 err: 174 if (x != NULL) 175 X509_free(x); 176 if (in != NULL) 177 BIO_free(in); 178 return (ret); 179 } 180 181 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) 182 { 183 int ret = 0; 184 BIO *in = NULL; 185 int i, count = 0; 186 X509_CRL *x = NULL; 187 188 if (file == NULL) 189 return (1); 190 in = BIO_new(BIO_s_file()); 191 192 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 193 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 194 goto err; 195 } 196 197 if (type == X509_FILETYPE_PEM) { 198 for (;;) { 199 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); 200 if (x == NULL) { 201 if ((ERR_GET_REASON(ERR_peek_last_error()) == 202 PEM_R_NO_START_LINE) && (count > 0)) { 203 ERR_clear_error(); 204 break; 205 } else { 206 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 207 goto err; 208 } 209 } 210 i = X509_STORE_add_crl(ctx->store_ctx, x); 211 if (!i) 212 goto err; 213 count++; 214 X509_CRL_free(x); 215 x = NULL; 216 } 217 ret = count; 218 } else if (type == X509_FILETYPE_ASN1) { 219 x = d2i_X509_CRL_bio(in, NULL); 220 if (x == NULL) { 221 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB); 222 goto err; 223 } 224 i = X509_STORE_add_crl(ctx->store_ctx, x); 225 if (!i) 226 goto err; 227 ret = i; 228 } else { 229 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE); 230 goto err; 231 } 232 err: 233 if (x != NULL) 234 X509_CRL_free(x); 235 if (in != NULL) 236 BIO_free(in); 237 return (ret); 238 } 239 240 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) 241 { 242 STACK_OF(X509_INFO) *inf; 243 X509_INFO *itmp; 244 BIO *in; 245 size_t i; 246 int count = 0; 247 if (type != X509_FILETYPE_PEM) 248 return X509_load_cert_file(ctx, file, type); 249 in = BIO_new_file(file, "r"); 250 if (!in) { 251 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB); 252 return 0; 253 } 254 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 255 BIO_free(in); 256 if (!inf) { 257 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB); 258 return 0; 259 } 260 for (i = 0; i < sk_X509_INFO_num(inf); i++) { 261 itmp = sk_X509_INFO_value(inf, i); 262 if (itmp->x509) { 263 X509_STORE_add_cert(ctx->store_ctx, itmp->x509); 264 count++; 265 } 266 if (itmp->crl) { 267 X509_STORE_add_crl(ctx->store_ctx, itmp->crl); 268 count++; 269 } 270 } 271 sk_X509_INFO_pop_free(inf, X509_INFO_free); 272 return count; 273 } 274 275 #endif /* OPENSSL_NO_STDIO */ 276
