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Just compute the current len once.

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Fix env var types assignments.
This commit is contained in:
David Carlier
2020-03-15 18:32:47 +00:00
parent 87599de782
commit ccb21a745d
1 changed files with 26 additions and 46 deletions
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72
src/afl-fuzz-globals.c
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@ -139,140 +139,120 @@ void read_afl_environment(afl_state_t *afl, char **envp) {
int i = 0, match = 0;
while (match == 0 && afl_environment_variables[i] != NULL) {
size_t afl_environment_variable_len = strlen(afl_environment_variables[i]);
if (strncmp(env, afl_environment_variables[i],
strlen(afl_environment_variables[i])) == 0 &&
env[strlen(afl_environment_variables[i])] == '=') {
afl_environment_variable_len) == 0 &&
env[afl_environment_variable_len] == '=') {
match = 1;
if (strncmp(env, "AFL_SKIP_CPUFREQ",
strlen(afl_environment_variables[i]) == 0)) {
if (!strncmp(env, "AFL_SKIP_CPUFREQ",
afl_environment_variable_len)) {
afl->afl_env.afl_skip_cpufreq = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_EXIT_WHEN_DONE",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_exit_when_done = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_NO_AFFINITY",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_no_affinity = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_SKIP_CRASHES",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_skip_crashes = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_HANG_TMOUT",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_hang_tmout = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_SKIP_BIN_CHECK",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_skip_bin_check = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_DUMB_FORKSRV",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_dumb_forksrv = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_IMPORT_FIRST",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_import_first = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_CUSTOM_MUTATOR_ONLY",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_custom_mutator_only = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_NO_UI",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_no_ui = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_FORCE_UI",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_force_ui = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_i_dont_care_about_missing_crashes =
get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_BENCH_JUST_ONE",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_bench_just_one = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_BENCH_UNTIL_CRASH",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_bench_until_crash = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_DEBUG_CHILD_OUTPUT",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_debug_child_output = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_AUTORESUME",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_autoresume = get_afl_env(env) ? 1 : 0;
} else if (!strncmp(env, "AFL_TMPDIR",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_tmpdir = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_POST_LIBRARY",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_post_library = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_CUSTOM_MUTATOR_LIBRARY",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_custom_mutator_library = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_PYTHON_MODULE",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_python_module = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_PATH",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_path = (u8 *)get_afl_env(env);
} else if (!strncmp(env, "AFL_PRELOAD",
strlen(afl_environment_variables[i]))) {
afl_environment_variable_len)) {
afl->afl_env.afl_preload = (u8 *)get_afl_env(env);