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| author | buherator <buherator@silentsignal.hu> | 2021-01-07 22:35:34 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-07 22:35:34 +0100 |
| commit | 9cdf5c415015e4e80b577c021b8b9fcf8a3d58fb (patch) | |
| tree | dc0880273395088beffa376627606074c950ed07 /src/afl-fuzz-state.c | |
| parent | 52c221fc484317d2cd3926ae31ac891bad8cc93a (diff) | |
| download | afl++-9cdf5c415015e4e80b577c021b8b9fcf8a3d58fb.tar.gz | |
User defined kill signal value (#678)
* Adding AFL_KILL_SIGNAL environment variable
Controlling the kill signal used to end forked processes.
* Checking validity of AFL_KILL_SIGNAL env variable
This commit also sets a valid value in the environment to avoid
duplicating code in at_exit(). Changing data type of
fsrv->kill_signal to u8 to match last_kill_signal.
* Adding afl_kill_signal to AFL (environment) state
This commit simply introduces a struct member for future use. The
env variable is not used from the afl struct but from fsrv, where
its validity is checked, resulting in a FATAL in case of errors.
Diffstat (limited to 'src/afl-fuzz-state.c')
| -rw-r--r-- | src/afl-fuzz-state.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/afl-fuzz-state.c b/src/afl-fuzz-state.c index 34456c0d..60c9684c 100644 --- a/src/afl-fuzz-state.c +++ b/src/afl-fuzz-state.c @@ -418,6 +418,13 @@ void read_afl_environment(afl_state_t *afl, char **envp) { (u8 *)get_afl_env(afl_environment_variables[i]); #endif + } else if (!strncmp(env, "AFL_KILL_SIGNAL", + + afl_environment_variable_len)) { + + afl->afl_env.afl_kill_signal = + (u8 *)get_afl_env(afl_environment_variables[i]); + } } else { @@ -524,8 +531,8 @@ void afl_states_stop(void) { LIST_FOREACH(&afl_states, afl_state_t, { - if (el->fsrv.child_pid > 0) kill(el->fsrv.child_pid, SIGKILL); - if (el->fsrv.fsrv_pid > 0) kill(el->fsrv.fsrv_pid, SIGKILL); + if (el->fsrv.child_pid > 0) kill(el->fsrv.child_pid, el->fsrv.kill_signal); + if (el->fsrv.fsrv_pid > 0) kill(el->fsrv.fsrv_pid, el->fsrv.kill_signal); }); |