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samba-mirror/lib/fuzzing/fuzz_oLschema2ldif.c
Douglas Bagnall 6c7b722b3f fuzz_oLschema2ldif: check multiple possible NULLs
Address sanitizer will object to a theoretically possible NULL dereference
so we can't ignore these checks in set-up.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jan 17 14:33:18 UTC 2020 on sn-devel-184
2020-01-17 14:33:18 +00:00

72 lines
1.6 KiB
C

/*
Fuzzing for oLschema2ldif
Copyright (C) Michael Hanselmann 2019
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 "includes.h"
#include "fuzzing.h"
#include "utils/oLschema2ldif/lib.h"
static FILE *devnull;
int LLVMFuzzerInitialize(int *argc, char ***argv)
{
devnull = fopen("/dev/null", "w");
return 0;
}
int LLVMFuzzerTestOneInput(uint8_t *buf, size_t len)
{
TALLOC_CTX *mem_ctx;
struct conv_options opt;
if (len == 0) {
/*
* Otherwise fmemopen() will return null and set errno
* to EINVAL
*/
return 0;
}
mem_ctx = talloc_init(__FUNCTION__);
if (mem_ctx == NULL) {
return 0;
}
opt.in = fmemopen(buf, len, "r");
opt.out = devnull;
opt.ldb_ctx = ldb_init(mem_ctx, NULL);
if (opt.ldb_ctx == NULL || opt.in == NULL) {
talloc_free(mem_ctx);
return 0;
}
opt.basedn = ldb_dn_new(mem_ctx, opt.ldb_ctx, "");
if (opt.basedn == NULL) {
talloc_free(mem_ctx);
return 0;
}
process_file(mem_ctx, &opt);
fclose(opt.in);
talloc_free(mem_ctx);
return 0;
}