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eb2bed3899
The token and descriptor are stored in NDR format; for this purpose we add a new IDL struct containing this pair (along with a desired access mask). An upcoming commit will show how to collect seeds for this fuzzer. Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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Fuzz a security token and descriptor through an access check
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Copyright (C) Catalyst IT 2023
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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 "replace.h"
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#include "librpc/gen_ndr/ndr_security.h"
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#include "libcli/security/security.h"
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#include "fuzzing/fuzzing.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(uint8_t *input, size_t len)
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{
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TALLOC_CTX *mem_ctx = NULL;
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struct security_token_descriptor_fuzzing_pair p = {0};
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enum ndr_err_code ndr_err;
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uint32_t access_granted;
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DATA_BLOB blob = {
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.data = input,
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.length = len
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};
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mem_ctx = talloc_new(NULL);
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ndr_err = ndr_pull_struct_blob(
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&blob, mem_ctx, &p,
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(ndr_pull_flags_fn_t)ndr_pull_security_token_descriptor_fuzzing_pair);
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if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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goto end;
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}
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se_access_check(&p.sd,
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&p.token,
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p.access_desired,
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&access_granted);
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end:
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talloc_free(mem_ctx);
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return 0;
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}
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