Coverage Report

Created: 2025-03-09 06:52

/src/libressl/crypto/x509/by_file.c
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Count
Source (jump to first uncovered line)
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/* $OpenBSD: by_file.c,v 1.31 2024/08/31 10:19:17 tb Exp $ */
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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 <errno.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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64
#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/x509.h>
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69
#include "x509_local.h"
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71
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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static const X509_LOOKUP_METHOD x509_file_lookup = {
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  .name = "Load file into cache",
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  .new_item = NULL,
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  .free = NULL,
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  .ctrl = by_file_ctrl,
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  .get_by_subject = NULL,
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};
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const X509_LOOKUP_METHOD *
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X509_LOOKUP_file(void)
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0
{
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0
  return &x509_file_lookup;
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0
}
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LCRYPTO_ALIAS(X509_LOOKUP_file);
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static int
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by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
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    char **ret)
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0
{
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0
  const char *file = argp;
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0
  int type = argl;
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96
0
  if (cmd != X509_L_FILE_LOAD)
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0
    return 0;
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99
0
  if (argl == X509_FILETYPE_DEFAULT) {
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0
    file = X509_get_default_cert_file();
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0
    type = X509_FILETYPE_PEM;
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0
  }
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0
  if (X509_load_cert_crl_file(ctx, file, type) != 0)
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0
    return 1;
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0
  if (argl == X509_FILETYPE_DEFAULT)
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0
    X509error(X509_R_LOADING_DEFAULTS);
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108
0
  return 0;
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0
}
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111
int
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X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
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0
{
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0
  int ret = 0;
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0
  BIO *in = NULL;
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0
  int i, count = 0;
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0
  X509 *x = NULL;
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119
0
  in = BIO_new(BIO_s_file());
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121
0
  if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
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0
    X509error(ERR_R_SYS_LIB);
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0
    goto err;
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0
  }
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126
0
  if (type == X509_FILETYPE_PEM) {
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0
    for (;;) {
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0
      x = PEM_read_bio_X509_AUX(in, NULL, NULL, "");
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0
      if (x == NULL) {
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0
        if ((ERR_GET_REASON(ERR_peek_last_error()) ==
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0
            PEM_R_NO_START_LINE) && (count > 0)) {
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0
          ERR_clear_error();
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0
          break;
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0
        } else {
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0
          X509error(ERR_R_PEM_LIB);
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0
          goto err;
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0
        }
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0
      }
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0
      i = X509_STORE_add_cert(ctx->store_ctx, x);
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0
      if (!i)
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0
        goto err;
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0
      count++;
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0
      X509_free(x);
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0
      x = NULL;
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0
    }
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0
    ret = count;
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0
  } else if (type == X509_FILETYPE_ASN1) {
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0
    x = d2i_X509_bio(in, NULL);
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0
    if (x == NULL) {
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0
      X509error(ERR_R_ASN1_LIB);
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0
      goto err;
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0
    }
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0
    i = X509_STORE_add_cert(ctx->store_ctx, x);
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0
    if (!i)
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0
      goto err;
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0
    ret = i;
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0
  } else {
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0
    X509error(X509_R_BAD_X509_FILETYPE);
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0
    goto err;
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0
  }
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0
err:
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0
  X509_free(x);
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0
  BIO_free(in);
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0
  return ret;
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0
}
166
LCRYPTO_ALIAS(X509_load_cert_file);
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168
int
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X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
170
0
{
171
0
  int ret = 0;
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0
  BIO *in = NULL;
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0
  int i, count = 0;
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0
  X509_CRL *x = NULL;
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176
0
  in = BIO_new(BIO_s_file());
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178
0
  if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
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0
    X509error(ERR_R_SYS_LIB);
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0
    goto err;
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0
  }
182
183
0
  if (type == X509_FILETYPE_PEM) {
184
0
    for (;;) {
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0
      x = PEM_read_bio_X509_CRL(in, NULL, NULL, "");
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0
      if (x == NULL) {
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0
        if ((ERR_GET_REASON(ERR_peek_last_error()) ==
188
0
            PEM_R_NO_START_LINE) && (count > 0)) {
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0
          ERR_clear_error();
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0
          break;
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0
        } else {
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0
          X509error(ERR_R_PEM_LIB);
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0
          goto err;
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0
        }
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0
      }
196
0
      i = X509_STORE_add_crl(ctx->store_ctx, x);
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0
      if (!i)
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0
        goto err;
199
0
      count++;
200
0
      X509_CRL_free(x);
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0
      x = NULL;
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0
    }
203
0
    ret = count;
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0
  } else if (type == X509_FILETYPE_ASN1) {
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0
    x = d2i_X509_CRL_bio(in, NULL);
206
0
    if (x == NULL) {
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0
      X509error(ERR_R_ASN1_LIB);
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0
      goto err;
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0
    }
210
0
    i = X509_STORE_add_crl(ctx->store_ctx, x);
211
0
    if (!i)
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0
      goto err;
213
0
    ret = i;
214
0
  } else {
215
0
    X509error(X509_R_BAD_X509_FILETYPE);
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0
    goto err;
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0
  }
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0
err:
219
0
  X509_CRL_free(x);
220
0
  BIO_free(in);
221
0
  return ret;
222
0
}
223
LCRYPTO_ALIAS(X509_load_crl_file);
224
225
int
226
X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
227
0
{
228
0
  STACK_OF(X509_INFO) *inf;
229
0
  X509_INFO *itmp;
230
0
  BIO *in;
231
0
  int i, count = 0;
232
233
0
  if (type != X509_FILETYPE_PEM)
234
0
    return X509_load_cert_file(ctx, file, type);
235
0
  in = BIO_new_file(file, "r");
236
0
  if (!in) {
237
0
    X509error(ERR_R_SYS_LIB);
238
0
    return 0;
239
0
  }
240
0
  inf = PEM_X509_INFO_read_bio(in, NULL, NULL, "");
241
0
  BIO_free(in);
242
0
  if (!inf) {
243
0
    X509error(ERR_R_PEM_LIB);
244
0
    return 0;
245
0
  }
246
0
  for (i = 0; i < sk_X509_INFO_num(inf); i++) {
247
0
    itmp = sk_X509_INFO_value(inf, i);
248
0
    if (itmp->x509) {
249
0
      X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
250
0
      count++;
251
0
    }
252
0
    if (itmp->crl) {
253
0
      X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
254
0
      count++;
255
0
    }
256
0
  }
257
0
  if (count == 0)
258
0
    X509error(X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
259
0
  sk_X509_INFO_pop_free(inf, X509_INFO_free);
260
0
  return count;
261
0
}
262
LCRYPTO_ALIAS(X509_load_cert_crl_file);