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tests/fuzz/ssh_bind_config_fuzzer.c
80 строк
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Jakub Jelen
fuzz: Read environment variable to provide verbose logging
01 июл 2026, 19:21
01 июл 2026, 19:21
d1aec3b
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/* * Copyright 2021 Jakub Jelen <jjelen@redhat.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <assert.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #define LIBSSH_STATIC 1 #include "libssh/libssh.h" #include "libssh/server.h" #include "libssh/bind_config.h" #include "nallocinc.c" static void _fuzz_finalize(void) { ssh_finalize(); } int LLVMFuzzerInitialize(int *argc, char ***argv) { (void)argc; nalloc_init(*argv[0]); ssh_init(); atexit(_fuzz_finalize); return 0; } int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { ssh_bind bind = NULL; char *input = NULL; const char *env = NULL; input = (char *)malloc(size + 1); if (!input) { return 1; } memcpy(input, data, size); input[size] = '\0'; assert(nalloc_start(data, size) > 0); bind = ssh_bind_new(); if (bind == NULL) { goto out; } env = getenv("LIBSSH_VERBOSITY"); if (env != NULL && strlen(env) > 0) { ssh_bind_options_set(bind, SSH_BIND_OPTIONS_LOG_VERBOSITY_STR, env); } ssh_bind_config_parse_string(bind, input); ssh_bind_free(bind); out: free(input); nalloc_end(); return 0; }