Coverage Report

Created: 2025-10-14 07:00

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libesedb/ossfuzz/column_fuzzer.cc
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Count
Source
1
/*
2
 * OSS-Fuzz target for libesedb column type
3
 *
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 * Copyright (C) 2011-2024, Joachim Metz <joachim.metz@gmail.com>
5
 *
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 * Refer to AUTHORS for acknowledgements.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published by
10
 * the Free Software Foundation, either version 3 of the License, or
11
 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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 */
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22
#include <stddef.h>
23
#include <stdint.h>
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/* Note that some of the OSS-Fuzz engines use C++
26
 */
27
extern "C" {
28
29
#include "ossfuzz_libbfio.h"
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#include "ossfuzz_libesedb.h"
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#if !defined( LIBESEDB_HAVE_BFIO )
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/* Opens a file using a Basic File IO (bfio) handle
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 * Returns 1 if successful or -1 on error
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 */
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LIBESEDB_EXTERN \
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int libesedb_file_open_file_io_handle(
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     libesedb_file_t *file,
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     libbfio_handle_t *file_io_handle,
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     int access_flags,
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     libesedb_error_t **error );
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44
#endif /* !defined( LIBESEDB_HAVE_BFIO ) */
45
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int LLVMFuzzerTestOneInput(
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     const uint8_t *data,
48
     size_t size )
49
3.49k
{
50
3.49k
  libbfio_handle_t *file_io_handle = NULL;
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3.49k
  libesedb_column_t *column        = NULL;
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3.49k
  libesedb_file_t *file            = NULL;
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3.49k
  libesedb_table_t *table          = NULL;
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3.49k
  int number_of_columns            = 0;
55
3.49k
  int number_of_tables             = 0;
56
57
3.49k
  if( libbfio_memory_range_initialize(
58
3.49k
       &file_io_handle,
59
3.49k
       NULL ) != 1 )
60
0
  {
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0
    return( 0 );
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0
  }
63
3.49k
  if( libbfio_memory_range_set(
64
3.49k
       file_io_handle,
65
3.49k
       (uint8_t *) data,
66
3.49k
       size,
67
3.49k
       NULL ) != 1 )
68
0
  {
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0
    goto on_error_libbfio;
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0
  }
71
3.49k
  if( libesedb_file_initialize(
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3.49k
       &file,
73
3.49k
       NULL ) != 1 )
74
0
  {
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0
    goto on_error_libbfio;
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0
  }
77
3.49k
  if( libesedb_file_open_file_io_handle(
78
3.49k
       file,
79
3.49k
       file_io_handle,
80
3.49k
       LIBESEDB_OPEN_READ,
81
3.49k
       NULL ) != 1 )
82
2.72k
  {
83
2.72k
    goto on_error_libesedb_file;
84
2.72k
  }
85
773
  if( libesedb_file_get_number_of_tables(
86
773
       file,
87
773
       &number_of_tables,
88
773
       NULL ) != 1 )
89
0
  {
90
0
    goto on_error_libesedb_file;
91
0
  }
92
773
  if( number_of_tables > 0 )
93
668
  {
94
668
    if( libesedb_file_get_table(
95
668
         file,
96
668
         0,
97
668
         &table,
98
668
         NULL ) == 1 )
99
422
    {
100
422
      if( libesedb_table_get_number_of_columns(
101
422
           table,
102
422
           &number_of_columns,
103
422
           0,
104
422
           NULL ) != 1 )
105
80
      {
106
80
        goto on_error_libesedb_table;
107
80
      }
108
342
      if( number_of_columns > 0 )
109
332
      {
110
332
        if( libesedb_table_get_column(
111
332
             table,
112
332
             0,
113
332
             &column,
114
332
             0,
115
332
             NULL ) == 1 )
116
143
        {
117
143
          libesedb_column_free(
118
143
           &column,
119
143
           NULL );
120
143
        }
121
332
      }
122
422
on_error_libesedb_table:
123
422
      libesedb_table_free(
124
422
       &table,
125
422
       NULL );
126
422
    }
127
668
  }
128
773
  libesedb_file_close(
129
773
   file,
130
773
   NULL );
131
132
3.49k
on_error_libesedb_file:
133
3.49k
  libesedb_file_free(
134
3.49k
   &file,
135
3.49k
   NULL );
136
137
3.49k
on_error_libbfio:
138
3.49k
  libbfio_handle_free(
139
3.49k
   &file_io_handle,
140
3.49k
   NULL );
141
142
3.49k
  return( 0 );
143
3.49k
}
144
145
} /* extern "C" */
146