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fuzz: add fuzz_parse_lpq_entry

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Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Douglas Bagnall 2021-04-06 23:11:32 +12:00 committed by Andrew Bartlett
parent 0cb833b32c
commit 16c28b367d
2 changed files with 70 additions and 0 deletions
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65
lib/fuzzing/fuzz_parse_lpq_entry.c Normal file
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@ -0,0 +1,65 @@
/*
Fuzzing parse_lpq_entry
Copyright (C) Douglas Bagnall <dbagnall@samba.org> 2021
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../../source3/include/includes.h"
#include "printing.h"
#include "fuzzing/fuzzing.h"
int LLVMFuzzerInitialize(int *argc, char ***argv)
{
return 0;
}
#define MAX_LENGTH (1024 * 1024)
char line[MAX_LENGTH + 1];
int LLVMFuzzerTestOneInput(uint8_t *input, size_t len)
{
enum printing_types printing_type;
print_queue_struct pq_buf = {0};
print_status_struct status = {0};
bool first;
unsigned x;
TALLOC_CTX *frame = NULL;
if (len < 1 || len > MAX_LENGTH) {
return 0;
}
x = input[0];
input++;
len--;
/* There are 14 types, default goes to bsd */
printing_type = x & 15;
first = (x & 16) ? true : false;
memcpy(line, input, len);
line[len] = '\0';
/* parse_lpq_bsd requires a stackframe */
frame = talloc_stackframe();
parse_lpq_entry(printing_type,
line,
&pq_buf, /* out */
&status, /* out */
first);
talloc_free(frame);
return 0;
}

5
lib/fuzzing/wscript_build
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@ -17,6 +17,11 @@ bld.SAMBA_BINARY('fuzz_tiniparser',
deps='fuzzing tiniparser talloc afl-fuzz-main',
fuzzer=True)
bld.SAMBA_BINARY('fuzz_parse_lpq_entry',
source='fuzz_parse_lpq_entry.c',
deps='fuzzing afl-fuzz-main smbd_base',
fuzzer=True)
bld.SAMBA_BINARY('fuzz_oLschema2ldif',
source='fuzz_oLschema2ldif.c',
deps='fuzzing oLschema2ldif-lib afl-fuzz-main',