1 /* $OpenBSD: by_file.c,v 1.19 2015/04/11 16:03:21 deraadt Exp $ */ 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 <errno.h> 60 #include <stdio.h> 61 #include <time.h> 62 #include <unistd.h> 63 64 #include <openssl/buffer.h> 65 #include <openssl/err.h> 66 #include <openssl/pem.h> 67 #include <openssl/lhash.h> 68 #include <openssl/x509.h> 69 70 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, 71 long argl, char **ret); 72 73 static X509_LOOKUP_METHOD x509_file_lookup = { 74 .name = "Load file into cache", 75 .new_item = NULL, 76 .free = NULL, 77 .init = NULL, 78 .shutdown = NULL, 79 .ctrl = by_file_ctrl, 80 .get_by_subject = NULL, 81 .get_by_issuer_serial = NULL, 82 .get_by_fingerprint = NULL, 83 .get_by_alias = NULL, 84 }; 85 86 X509_LOOKUP_METHOD * 87 X509_LOOKUP_file(void) 88 { 89 return (&x509_file_lookup); 90 } 91 92 static int 93 by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, 94 char **ret) 95 { 96 int ok = 0; 97 98 switch (cmd) { 99 case X509_L_FILE_LOAD: 100 if (argl == X509_FILETYPE_DEFAULT) { 101 ok = (X509_load_cert_crl_file(ctx, 102 X509_get_default_cert_file(), 103 X509_FILETYPE_PEM) != 0); 104 if (!ok) { 105 X509err(X509_F_BY_FILE_CTRL, 106 X509_R_LOADING_DEFAULTS); 107 } 108 } else { 109 if (argl == X509_FILETYPE_PEM) 110 ok = (X509_load_cert_crl_file(ctx, argp, 111 X509_FILETYPE_PEM) != 0); 112 else 113 ok = (X509_load_cert_file(ctx, 114 argp, (int)argl) != 0); 115 } 116 break; 117 } 118 return (ok); 119 } 120 121 int 122 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_internal()); 132 133 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 134 X509err(X509_F_X509_LOAD_CERT_FILE, 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 X509err(X509_F_X509_LOAD_CERT_FILE, 148 ERR_R_PEM_LIB); 149 goto err; 150 } 151 } 152 i = X509_STORE_add_cert(ctx->store_ctx, x); 153 if (!i) 154 goto err; 155 count++; 156 X509_free(x); 157 x = NULL; 158 } 159 ret = count; 160 } else if (type == X509_FILETYPE_ASN1) { 161 x = d2i_X509_bio(in, NULL); 162 if (x == NULL) { 163 X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_ASN1_LIB); 164 goto err; 165 } 166 i = X509_STORE_add_cert(ctx->store_ctx, x); 167 if (!i) 168 goto err; 169 ret = i; 170 } else { 171 X509err(X509_F_X509_LOAD_CERT_FILE, X509_R_BAD_X509_FILETYPE); 172 goto err; 173 } 174 err: 175 X509_free(x); 176 BIO_free(in); 177 return (ret); 178 } 179 180 int 181 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_internal()); 191 192 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { 193 X509err(X509_F_X509_LOAD_CRL_FILE, 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 X509err(X509_F_X509_LOAD_CRL_FILE, 207 ERR_R_PEM_LIB); 208 goto err; 209 } 210 } 211 i = X509_STORE_add_crl(ctx->store_ctx, x); 212 if (!i) 213 goto err; 214 count++; 215 X509_CRL_free(x); 216 x = NULL; 217 } 218 ret = count; 219 } else if (type == X509_FILETYPE_ASN1) { 220 x = d2i_X509_CRL_bio(in, NULL); 221 if (x == NULL) { 222 X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_ASN1_LIB); 223 goto err; 224 } 225 i = X509_STORE_add_crl(ctx->store_ctx, x); 226 if (!i) 227 goto err; 228 ret = i; 229 } else { 230 X509err(X509_F_X509_LOAD_CRL_FILE, X509_R_BAD_X509_FILETYPE); 231 goto err; 232 } 233 err: 234 if (x != NULL) 235 X509_CRL_free(x); 236 BIO_free(in); 237 return (ret); 238 } 239 240 int 241 X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) 242 { 243 STACK_OF(X509_INFO) *inf; 244 X509_INFO *itmp; 245 BIO *in; 246 int i, 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 X509err(X509_F_X509_LOAD_CERT_CRL_FILE, 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 X509err(X509_F_X509_LOAD_CERT_CRL_FILE, 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