File: fuzz_parse_lpq_entry.c

package info (click to toggle)
samba 2%3A4.22.3%2Bdfsg-4
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 185,264 kB
  • sloc: ansic: 1,955,394; python: 269,800; sh: 71,598; xml: 50,288; perl: 36,082; makefile: 6,086; yacc: 4,497; exp: 1,582; cpp: 1,224; lex: 989; awk: 589; java: 119; csh: 58; pascal: 54; sed: 45; asm: 30
file content (65 lines) | stat: -rw-r--r-- 1,625 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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(const 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;
}