deprecated AFL_POST_LIBRARY

4 files changed, 5 insertions, 54 deletions

diff --git a/src/afl-common.c b/src/afl-common.c
index 74fd6b27..808c9812 100644
--- a/src/afl-common.c
+++ b/src/afl-common.c
@@ -76,7 +76,7 @@ char *afl_environment_variables[] = {
     "AFL_NO_X86",  // not really an env but we dont want to warn on it
     "AFL_MAP_SIZE", "AFL_MAPSIZE", "AFL_PATH", "AFL_PERFORMANCE_FILE",
     //"AFL_PERSISTENT", // not implemented anymore, so warn additionally
-    "AFL_POST_LIBRARY", "AFL_PRELOAD", "AFL_PYTHON_MODULE", "AFL_QEMU_COMPCOV",
+    "AFL_PRELOAD", "AFL_PYTHON_MODULE", "AFL_QEMU_COMPCOV",
     "AFL_QEMU_COMPCOV_DEBUG", "AFL_QEMU_DEBUG_MAPS", "AFL_QEMU_DISABLE_CACHE",
     "AFL_QEMU_PERSISTENT_ADDR", "AFL_QEMU_PERSISTENT_CNT",
     "AFL_QEMU_PERSISTENT_GPR", "AFL_QEMU_PERSISTENT_HOOK",
diff --git a/src/afl-fuzz-init.c b/src/afl-fuzz-init.c
index daaac969..0a7941f2 100644
--- a/src/afl-fuzz-init.c
+++ b/src/afl-fuzz-init.c
@@ -280,54 +280,6 @@ cpuset_destroy(c);
 
 #endif                                                     /* HAVE_AFFINITY */
 
-/* Load postprocessor, if available. */
-
-void setup_post(afl_state_t *afl) {
-
-  void *dh;
-  u8 *  fn = afl->afl_env.afl_post_library;
-  u8    tbuf[6];
-  u32   tlen = 6;
-  strncpy(tbuf, "hello", tlen);
-
-  if (!fn) { return; }
-
-  ACTF("Loading postprocessor from '%s'...", fn);
-
-  dh = dlopen(fn, RTLD_NOW);
-  if (!dh) { FATAL("%s", dlerror()); }
-
-  struct custom_mutator *mutator;
-  mutator = ck_alloc(sizeof(struct custom_mutator));
-  memset(mutator, 0, sizeof(struct custom_mutator));
-
-  mutator->afl_custom_post_process = dlsym(dh, "afl_postprocess");
-  if (!mutator->afl_custom_post_process) {
-
-    FATAL("Symbol 'afl_postprocess' not found.");
-
-  }
-
-  mutator->afl_custom_init = dlsym(dh, "afl_postprocess_init");
-  if (!mutator->afl_custom_init) {
-
-    WARNF("optional symbol 'afl_postprocess_init' not found.");
-
-  }
-
-  mutator->afl_custom_deinit = dlsym(dh, "afl_postprocess_deinit");
-  if (!mutator->afl_custom_post_process) {
-
-    WARNF("optional symbol 'afl_postprocess_deinit' not found.");
-
-  }
-
-  afl->post_library_mutator = mutator;
-
-  OKF("Postprocessor installed successfully.");
-
-}
-
 /* Shuffle an array of pointers. Might be slightly biased. */
 
 static void shuffle_ptrs(afl_state_t *afl, void **ptrs, u32 cnt) {
diff --git a/src/afl-fuzz-state.c b/src/afl-fuzz-state.c
index 316f9bd9..99863103 100644
--- a/src/afl-fuzz-state.c
+++ b/src/afl-fuzz-state.c
@@ -313,8 +313,10 @@ void read_afl_environment(afl_state_t *afl, char **envp) {
 
                               afl_environment_variable_len)) {
 
-            afl->afl_env.afl_post_library =
-                (u8 *)get_afl_env(afl_environment_variables[i]);
+            FATAL(
+                "AFL_POST_LIBRARY is deprecated, use "
+                "AFL_CUSTOM_MUTATOR_LIBRARY instead, see "
+                "docs/custom_mutators.md");
 
           } else if (!strncmp(env, "AFL_CUSTOM_MUTATOR_LIBRARY",
 
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index 979ebfa3..8625c37c 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -187,7 +187,6 @@ static void usage(afl_state_t *afl, u8 *argv0, int more_help) {
       "AFL_NO_SNAPSHOT: do not use the snapshot feature (if the snapshot lkm is loaded)\n"
       "AFL_NO_UI: switch status screen off\n"
       "AFL_PATH: path to AFL support binaries\n"
-      "AFL_POST_LIBRARY: postprocess generated test cases before use as target input\n"
       "AFL_PYTHON_MODULE: mutate and trim inputs with the specified Python module\n"
       "AFL_QUIET: suppress forkserver status messages\n"
       "AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
@@ -1060,8 +1059,6 @@ int main(int argc, char **argv_orig, char **envp) {
   afl->fsrv.trace_bits =
       afl_shm_init(&afl->shm, afl->fsrv.map_size, afl->dumb_mode);
 
-  setup_post(afl);
-
   if (!afl->in_bitmap) { memset(afl->virgin_bits, 255, afl->fsrv.map_size); }
   memset(afl->virgin_tmout, 255, afl->fsrv.map_size);
   memset(afl->virgin_crash, 255, afl->fsrv.map_size);