mirror of
https://github.com/openssl/openssl.git
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268 lines
7.1 KiB
C
268 lines
7.1 KiB
C
/* crypto/x509/by_file.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "cryptlib.h"
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#include <openssl/lhash.h>
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#include <openssl/buffer.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#ifndef NO_STDIO
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static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
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long argl, char **ret);
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X509_LOOKUP_METHOD x509_file_lookup=
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{
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"Load file into cache",
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NULL, /* new */
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NULL, /* free */
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NULL, /* init */
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NULL, /* shutdown */
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by_file_ctrl, /* ctrl */
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NULL, /* get_by_subject */
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NULL, /* get_by_issuer_serial */
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NULL, /* get_by_fingerprint */
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NULL, /* get_by_alias */
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};
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X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
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{
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return(&x509_file_lookup);
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}
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static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
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char **ret)
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{
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int ok=0,ok2=0;
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char *file;
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switch (cmd)
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{
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case X509_L_FILE_LOAD:
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if (argl == X509_FILETYPE_DEFAULT)
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{
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ok=X509_load_cert_file(ctx,X509_get_default_cert_file(),
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X509_FILETYPE_PEM);
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ok2=X509_load_crl_file(ctx,X509_get_default_cert_file(),
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X509_FILETYPE_PEM);
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if (!ok || !ok2)
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{
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X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS);
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}
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else
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{
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file=(char *)Getenv(X509_get_default_cert_file_env());
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ok=X509_load_cert_file(ctx,file,
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X509_FILETYPE_PEM);
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ok2=X509_load_crl_file(ctx,file,
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X509_FILETYPE_PEM);
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}
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}
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else
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{
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ok=X509_load_cert_file(ctx,argp,(int)argl);
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ok2=X509_load_crl_file(ctx,argp,(int)argl);
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}
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break;
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}
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return((ok && ok2)?ok:0);
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}
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int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
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{
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int ret=0;
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BIO *in=NULL;
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int i,count=0;
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X509 *x=NULL;
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if (file == NULL) return(1);
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in=BIO_new(BIO_s_file_internal());
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if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
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{
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X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);
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goto err;
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}
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if (type == X509_FILETYPE_PEM)
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{
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for (;;)
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{
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x=PEM_read_bio_X509(in,NULL,NULL);
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if (x == NULL)
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{
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if ((ERR_GET_REASON(ERR_peek_error()) ==
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PEM_R_NO_START_LINE) && (count > 0))
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{
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ERR_clear_error();
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break;
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}
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else
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{
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X509err(X509_F_X509_LOAD_CERT_FILE,
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ERR_R_PEM_LIB);
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goto err;
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}
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}
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i=X509_STORE_add_cert(ctx->store_ctx,x);
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if (!i) goto err;
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count++;
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X509_free(x);
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x=NULL;
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}
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ret=count;
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}
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else if (type == X509_FILETYPE_ASN1)
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{
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x=d2i_X509_bio(in,NULL);
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if (x == NULL)
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{
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X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);
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goto err;
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}
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i=X509_STORE_add_cert(ctx->store_ctx,x);
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if (!i) goto err;
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ret=i;
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}
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else
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{
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X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);
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goto err;
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}
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err:
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if (x != NULL) X509_free(x);
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if (in != NULL) BIO_free(in);
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return(ret);
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}
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int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
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{
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int ret=0;
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BIO *in=NULL;
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int i,count=0;
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X509_CRL *x=NULL;
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if (file == NULL) return(1);
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in=BIO_new(BIO_s_file_internal());
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if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
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{
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X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB);
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goto err;
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}
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if (type == X509_FILETYPE_PEM)
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{
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for (;;)
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{
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x=PEM_read_bio_X509_CRL(in,NULL,NULL);
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if (x == NULL)
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{
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if ((ERR_GET_REASON(ERR_peek_error()) ==
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PEM_R_NO_START_LINE) && (count > 0))
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{
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ERR_clear_error();
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break;
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}
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else
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{
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X509err(X509_F_X509_LOAD_CRL_FILE,
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ERR_R_PEM_LIB);
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goto err;
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}
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}
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i=X509_STORE_add_crl(ctx->store_ctx,x);
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if (!i) goto err;
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count++;
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X509_CRL_free(x);
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x=NULL;
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}
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ret=count;
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}
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else if (type == X509_FILETYPE_ASN1)
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{
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x=d2i_X509_CRL_bio(in,NULL);
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if (x == NULL)
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{
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X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB);
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goto err;
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}
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i=X509_STORE_add_crl(ctx->store_ctx,x);
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if (!i) goto err;
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ret=i;
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}
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else
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{
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X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE);
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goto err;
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}
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err:
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if (x != NULL) X509_CRL_free(x);
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if (in != NULL) BIO_free(in);
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return(ret);
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}
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#endif /* NO_STDIO */
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