From eefd98f3741b5feca32c75b34a8d7b33e34044d0 Mon Sep 17 00:00:00 2001
From: Sergej Schumilo <sergej@schumilo.de>
Date: Fri, 14 Apr 2023 02:25:33 +0200
Subject: add Nyx support in various tools (like afl-cmin)

---
 src/afl-forkserver.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

(limited to 'src/afl-forkserver.c')

diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c
index 5aa4c2ff..95328aa2 100644
--- a/src/afl-forkserver.c
+++ b/src/afl-forkserver.c
@@ -49,6 +49,71 @@
 #include <sys/select.h>
 #include <sys/stat.h>
 
+#ifdef __linux__
+#include <dlfcn.h>
+
+/* function to load nyx_helper function from libnyx.so */
+
+nyx_plugin_handler_t *afl_load_libnyx_plugin(u8 *libnyx_binary) {
+
+  void                 *handle;
+  nyx_plugin_handler_t *plugin = calloc(1, sizeof(nyx_plugin_handler_t));
+
+  ACTF("Trying to load libnyx.so plugin...");
+  handle = dlopen((char *)libnyx_binary, RTLD_NOW);
+  if (!handle) { goto fail; }
+
+  plugin->nyx_new = dlsym(handle, "nyx_new");
+  if (plugin->nyx_new == NULL) { goto fail; }
+
+  plugin->nyx_new_parent = dlsym(handle, "nyx_new_parent");
+  if (plugin->nyx_new_parent == NULL) { goto fail; }
+
+  plugin->nyx_new_child = dlsym(handle, "nyx_new_child");
+  if (plugin->nyx_new_child == NULL) { goto fail; }
+
+  plugin->nyx_shutdown = dlsym(handle, "nyx_shutdown");
+  if (plugin->nyx_shutdown == NULL) { goto fail; }
+
+  plugin->nyx_option_set_reload_mode =
+      dlsym(handle, "nyx_option_set_reload_mode");
+  if (plugin->nyx_option_set_reload_mode == NULL) { goto fail; }
+
+  plugin->nyx_option_set_timeout = dlsym(handle, "nyx_option_set_timeout");
+  if (plugin->nyx_option_set_timeout == NULL) { goto fail; }
+
+  plugin->nyx_option_apply = dlsym(handle, "nyx_option_apply");
+  if (plugin->nyx_option_apply == NULL) { goto fail; }
+
+  plugin->nyx_set_afl_input = dlsym(handle, "nyx_set_afl_input");
+  if (plugin->nyx_set_afl_input == NULL) { goto fail; }
+
+  plugin->nyx_exec = dlsym(handle, "nyx_exec");
+  if (plugin->nyx_exec == NULL) { goto fail; }
+
+  plugin->nyx_get_bitmap_buffer = dlsym(handle, "nyx_get_bitmap_buffer");
+  if (plugin->nyx_get_bitmap_buffer == NULL) { goto fail; }
+
+  plugin->nyx_get_bitmap_buffer_size =
+      dlsym(handle, "nyx_get_bitmap_buffer_size");
+  if (plugin->nyx_get_bitmap_buffer_size == NULL) { goto fail; }
+
+  plugin->nyx_get_aux_string = dlsym(handle, "nyx_get_aux_string");
+  if (plugin->nyx_get_aux_string == NULL) { goto fail; }
+
+  OKF("libnyx plugin is ready!");
+  return plugin;
+
+fail:
+
+  FATAL("failed to load libnyx: %s\n", dlerror());
+  free(plugin);
+  return NULL;
+
+}
+
+#endif
+
 /**
  * The correct fds for reading and writing pipes
  */
-- 
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