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