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| author | Nils Bars <nils.bars@rub.de> | 2022-10-24 17:52:04 +0200 |
|---|---|---|
| committer | Nils Bars <nils.bars@rub.de> | 2022-10-24 17:54:03 +0200 |
| commit | 102b749c0734165f1cb121397e4a4c307666b8eb (patch) | |
| tree | d2a090fa114ede2091e752d3116ba8742f3dbcbb /src/afl-common.c | |
| parent | 7512316b46a25180729ff8c568a6061a0ab19fea (diff) | |
| download | afl++-102b749c0734165f1cb121397e4a4c307666b8eb.tar.gz | |
AFL_FORK_SERVER_KILL_SIGNAL backwards compatiblity
If `AFL_KILL_SIGNAL` is set, `AFL_FORK_SERVER_KILL_SIGNAL` is set to the same value.
Diffstat (limited to 'src/afl-common.c')
| -rw-r--r-- | src/afl-common.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/afl-common.c b/src/afl-common.c index 75b463ed..f2934817 100644 --- a/src/afl-common.c +++ b/src/afl-common.c @@ -25,6 +25,7 @@ #include <stdlib.h> #include <stdio.h> +#include "forkserver.h" #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif @@ -47,6 +48,7 @@ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> +#include <signal.h> u8 be_quiet = 0; u8 *doc_path = ""; @@ -476,6 +478,27 @@ int parse_afl_kill_signal(u8 *numeric_signal_as_str, int default_signal) { return default_signal; } +void configure_afl_kill_signals(afl_forkserver_t *fsrv, char* afl_kill_signal_env, char* afl_fsrv_kill_signal_env) { + afl_kill_signal_env = afl_kill_signal_env ? + afl_kill_signal_env : getenv("AFL_KILL_SIGNAL"); + afl_fsrv_kill_signal_env = afl_fsrv_kill_signal_env ? + afl_fsrv_kill_signal_env : getenv("AFL_FORK_SERVER_KILL_SIGNAL"); + + fsrv->child_kill_signal = + parse_afl_kill_signal(afl_kill_signal_env, SIGKILL); + + if (afl_kill_signal_env && !afl_fsrv_kill_signal_env) { + /* + Set AFL_FORK_SERVER_KILL_SIGNAL to the value of AFL_KILL_SIGNAL for backwards + compatibility. However, if AFL_FORK_SERVER_KILL_SIGNAL is set, is takes precedence. + */ + afl_fsrv_kill_signal_env = afl_kill_signal_env; + } + fsrv->fsrv_kill_signal = + parse_afl_kill_signal(afl_fsrv_kill_signal_env, SIGTERM); + +} + static inline unsigned int helper_min3(unsigned int a, unsigned int b, unsigned int c) { |