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fuzz: add fuzzer for sess_crypt_blob
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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55
lib/fuzzing/fuzz_sess_crypt_blob.c
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55
lib/fuzzing/fuzz_sess_crypt_blob.c
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@ -0,0 +1,55 @@
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/*
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Fuzzing sess_*crypt_blob
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Copyright (C) Catalyst IT 2020
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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 General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "fuzzing/fuzzing.h"
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#include "libcli/auth/libcli_auth.h"
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#include "session.h"
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int LLVMFuzzerInitialize(int *argc, char ***argv)
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{
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return 0;
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}
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int LLVMFuzzerTestOneInput(const uint8_t *input, size_t len)
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{
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TALLOC_CTX *mem_ctx = NULL;
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DATA_BLOB blob, session_key, out;
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size_t slen;
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if (len < 1) {
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return 0;
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}
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slen = input[0];
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if (len < slen + 1) {
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return 0;
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}
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session_key.data = input + 1;
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session_key.length = slen;
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blob.data = input + 1 + slen;
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blob.length = len - slen - 1;
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mem_ctx = talloc_new(NULL);
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out = sess_encrypt_blob(mem_ctx, &blob, &session_key);
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sess_decrypt_blob(mem_ctx, &blob, &session_key, &out);
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TALLOC_FREE(mem_ctx);
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return 0;
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}
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@ -37,6 +37,11 @@ bld.SAMBA_BINARY('fuzz_sddl_parse',
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deps='fuzzing samba-security afl-fuzz-main',
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fuzzer=True)
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bld.SAMBA_BINARY('fuzz_sess_crypt_blob',
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source='fuzz_sess_crypt_blob.c',
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deps='fuzzing samba-security LIBCLI_AUTH NDR_DSSETUP afl-fuzz-main',
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fuzzer=True)
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bld.SAMBA_BINARY('fuzz_nmblib_parse_packet',
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source='fuzz_nmblib_parse_packet.c',
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deps='fuzzing libsmb afl-fuzz-main',
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