add env info to afl-showmap, in qemu_mode add forgotten MacOSX env var to afl-analyze, afl-fuzz, afl-tmin

1 files changed, 11 insertions, 4 deletions

diff --git a/src/afl-showmap.c b/src/afl-showmap.c
index 3ea10d38..01e29d38 100644
--- a/src/afl-showmap.c
+++ b/src/afl-showmap.c
@@ -560,9 +560,9 @@ static void set_up_environment(void) {
       }
 
       if (qemu_preload)
-        buf = alloc_printf("%s,LD_PRELOAD=%s", qemu_preload, afl_preload);
+        buf = alloc_printf("%s,LD_PRELOAD=%s,DYLD_INSERT_LIBRARIES=%s", qemu_preload, afl_preload, afl_preload);
       else
-        buf = alloc_printf("LD_PRELOAD=%s", afl_preload);
+        buf = alloc_printf("LD_PRELOAD=%s,DYLD_INSERT_LIBRARIES=%s", afl_preload, afl_preload);
 
       setenv("QEMU_SET_ENV", buf, 1);
 
@@ -647,8 +647,15 @@ static void usage(u8* argv0) {
       "  -c            - allow core dumps\n\n"
 
       "This tool displays raw tuple data captured by AFL instrumentation.\n"
-      "For additional help, consult %s/README.md.\n",
-      argv0, MEM_LIMIT, doc_path);
+      "For additional help, consult %s/README.md.\n\n"
+
+      "Environment variables used:\n"
+      "AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
+      "AFL_DEBUG: enable extra developer output\n"
+      "AFL_CMIN_CRASHES_ONLY: (cmin_mode) only write tuples for crashing inputs\n"
+      "AFL_CMIN_ALLOW_ANY: (cmin_mode) write tuples for crashing inputs also\n"
+      "LD_BIND_LAZY: do not set LD_BIND_NOW env var for target\n"
+      , argv0, MEM_LIMIT, doc_path);
 
   exit(1);