diff options
Diffstat (limited to 'frida_mode/src/ranges.c')
-rw-r--r-- | frida_mode/src/ranges.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/frida_mode/src/ranges.c b/frida_mode/src/ranges.c index 72cb9730..e9fc3b4e 100644 --- a/frida_mode/src/ranges.c +++ b/frida_mode/src/ranges.c @@ -18,6 +18,7 @@ typedef struct { gboolean ranges_debug_maps = FALSE; gboolean ranges_inst_libs = FALSE; gboolean ranges_inst_jit = FALSE; +gboolean ranges_inst_dynamic_load = TRUE; static GArray *module_ranges = NULL; static GArray *libs_ranges = NULL; @@ -25,6 +26,7 @@ static GArray *jit_ranges = NULL; static GArray *include_ranges = NULL; static GArray *exclude_ranges = NULL; static GArray *ranges = NULL; +static GArray *whole_memory_ranges = NULL; static void convert_address_token(gchar *token, GumMemoryRange *range) { @@ -387,6 +389,21 @@ static GArray *collect_jit_ranges(void) { } +static GArray *collect_whole_mem_ranges(void) { + + GArray *result; + GumMemoryRange range; + result = g_array_new(false, false, sizeof(GumMemoryRange)); + + range.base_address = 0; + range.size = G_MAXULONG; + + g_array_append_val(result, range); + + return result; + +} + static gboolean intersect_range(GumMemoryRange *rr, GumMemoryRange *ra, GumMemoryRange *rb) { @@ -574,11 +591,17 @@ void ranges_config(void) { if (getenv("AFL_FRIDA_DEBUG_MAPS") != NULL) { ranges_debug_maps = TRUE; } if (getenv("AFL_INST_LIBS") != NULL) { ranges_inst_libs = TRUE; } if (getenv("AFL_FRIDA_INST_JIT") != NULL) { ranges_inst_jit = TRUE; } + if (getenv("AFL_FRIDA_INST_NO_DYNAMIC_LOAD") != NULL) { + + ranges_inst_dynamic_load = FALSE; + + } if (ranges_debug_maps) { ranges_print_debug_maps(); } include_ranges = collect_ranges("AFL_FRIDA_INST_RANGES"); exclude_ranges = collect_ranges("AFL_FRIDA_EXCLUDE_RANGES"); + whole_memory_ranges = collect_whole_mem_ranges(); } @@ -628,10 +651,20 @@ void ranges_init(void) { print_ranges("step4", step4); /* - * After step4, we have the total ranges to be instrumented, we now subtract - * that from the original ranges of the modules to configure stalker. + * After step 4 we have the total ranges to be instrumented, we now subtract + * that either from the original ranges of the modules or from the whole + * memory if AFL_INST_NO_DYNAMIC_LOAD to configure the stalker. */ - step5 = subtract_ranges(module_ranges, step4); + if (ranges_inst_dynamic_load) { + + step5 = subtract_ranges(module_ranges, step4); + + } else { + + step5 = subtract_ranges(whole_memory_ranges, step4); + + } + print_ranges("step5", step5); ranges = merge_ranges(step5); |