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 #include <sys/types.h> 63 #include <sys/stat.h> 64 65 #include "cryptlib.h" 66 #include <openssl/lhash.h> 67 #include <openssl/buffer.h> 68 #include <openssl/x509.h> 69 #include <openssl/pem.h> 70 71 #ifndef NO_STDIO 72 73 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, 74 long argl, char **ret); 75 X509_LOOKUP_METHOD x509_file_lookup= 76 { 77 "Load file into cache", 78 NULL, /* new */ 79 NULL, /* free */ 80 NULL, /* init */ 81 NULL, /* shutdown */ 82 by_file_ctrl, /* ctrl */ 83 NULL, /* get_by_subject */ 84 NULL, /* get_by_issuer_serial */ 85 NULL, /* get_by_fingerprint */ 86 NULL, /* get_by_alias */ 87 }; 88 89 X509_LOOKUP_METHOD *X509_LOOKUP_file(void) 90 { 91 return(&x509_file_lookup); 92 } 93 94 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, 95 char **ret) 96 { 97 int ok=0,ok2=0; 98 char *file; 99 100 switch (cmd) 101 { 102 case X509_L_FILE_LOAD: 103 if (argl == X509_FILETYPE_DEFAULT) 104 { 105 ok=X509_load_cert_file(ctx,X509_get_default_cert_file(), 106 X509_FILETYPE_PEM); 107 ok2=X509_load_crl_file(ctx,X509_get_default_cert_file(), 108 X509_FILETYPE_PEM); 109 if (!ok || !ok2) 110 { 111 X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS); 112 } 113 else 114 { 115 file=(char *)Getenv(X509_get_default_cert_file_env()); 116 ok=X509_load_cert_file(ctx,file, 117 X509_FILETYPE_PEM); 118 ok2=X509_load_crl_file(ctx,file, 119 X509_FILETYPE_PEM); 120 } 121 } 122 else 123 { 124 ok=X509_load_cert_file(ctx,argp,(int)argl); 125 ok2=X509_load_crl_file(ctx,argp,(int)argl); 126 } 127 break; 128 } 129 return((ok && ok2)?ok:0); 130 } 131 132 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) 133 { 134 int ret=0; 135 BIO *in=NULL; 136 int i,count=0; 137 X509 *x=NULL; 138 139 if (file == NULL) return(1); 140 in=BIO_new(BIO_s_file_internal()); 141 142 if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) 143 { 144 X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB); 145 goto err; 146 } 147 148 if (type == X509_FILETYPE_PEM) 149 { 150 for (;;) 151 { 152 x=PEM_read_bio_X509(in,NULL,NULL,NULL); 153 if (x == NULL) 154 { 155 if ((ERR_GET_REASON(ERR_peek_error()) == 156 PEM_R_NO_START_LINE) && (count > 0)) 157 { 158 ERR_clear_error(); 159 break; 160 } 161 else 162 { 163 X509err(X509_F_X509_LOAD_CERT_FILE, 164 ERR_R_PEM_LIB); 165 goto err; 166 } 167 } 168 i=X509_STORE_add_cert(ctx->store_ctx,x); 169 if (!i) goto err; 170 count++; 171 X509_free(x); 172 x=NULL; 173 } 174 ret=count; 175 } 176 else if (type == X509_FILETYPE_ASN1) 177 { 178 x=d2i_X509_bio(in,NULL); 179 if (x == NULL) 180 { 181 X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB); 182 goto err; 183 } 184 i=X509_STORE_add_cert(ctx->store_ctx,x); 185 if (!i) goto err; 186 ret=i; 187 } 188 else 189 { 190 X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE); 191 goto err; 192 } 193 err: 194 if (x != NULL) X509_free(x); 195 if (in != NULL) BIO_free(in); 196 return(ret); 197 } 198 199 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) 200 { 201 int ret=0; 202 BIO *in=NULL; 203 int i,count=0; 204 X509_CRL *x=NULL; 205 206 if (file == NULL) return(1); 207 in=BIO_new(BIO_s_file_internal()); 208 209 if ((in == NULL) || (BIO_read_filename(in,file) <= 0)) 210 { 211 X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB); 212 goto err; 213 } 214 215 if (type == X509_FILETYPE_PEM) 216 { 217 for (;;) 218 { 219 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 220 if (x == NULL) 221 { 222 if ((ERR_GET_REASON(ERR_peek_error()) == 223 PEM_R_NO_START_LINE) && (count > 0)) 224 { 225 ERR_clear_error(); 226 break; 227 } 228 else 229 { 230 X509err(X509_F_X509_LOAD_CRL_FILE, 231 ERR_R_PEM_LIB); 232 goto err; 233 } 234 } 235 i=X509_STORE_add_crl(ctx->store_ctx,x); 236 if (!i) goto err; 237 count++; 238 X509_CRL_free(x); 239 x=NULL; 240 } 241 ret=count; 242 } 243 else if (type == X509_FILETYPE_ASN1) 244 { 245 x=d2i_X509_CRL_bio(in,NULL); 246 if (x == NULL) 247 { 248 X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB); 249 goto err; 250 } 251 i=X509_STORE_add_crl(ctx->store_ctx,x); 252 if (!i) goto err; 253 ret=i; 254 } 255 else 256 { 257 X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE); 258 goto err; 259 } 260 err: 261 if (x != NULL) X509_CRL_free(x); 262 if (in != NULL) BIO_free(in); 263 return(ret); 264 } 265 266 #endif /* NO_STDIO */ 267 268