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authorvan Hauser <vh@thc.org>2021-05-10 13:57:47 +0200
committerGitHub <noreply@github.com>2021-05-10 13:57:47 +0200
commit8b7a7b29c60f11cdf6226b3e418e87a5c3f5caac (patch)
tree6ce9d90644f161d21d802e9cbe48eb38467684e9 /frida_mode/src/main.c
parentd0225c2c4d465968660a08c93857fed354e539b1 (diff)
downloadafl++-8b7a7b29c60f11cdf6226b3e418e87a5c3f5caac.tar.gz
Push to stable (#895)
* sync (#886)

* Create FUNDING.yml

* Update FUNDING.yml

* moved custom_mutator examples

* unicorn speedtest makefile cleanup

* fixed example location

* fix qdbi

* update util readme

* Frida persistent (#880)

* Added x64 support for persistent mode (function call only), in-memory teest cases and complog

* Review changes, fix NeverZero and code to parse the .text section of the main executable. Excluded ranges TBC

* Various minor fixes and finished support for AFL_INST_LIBS

* Review changes

Co-authored-by: Your Name <you@example.com>

* nits

* fix frida mode

* Integer overflow/underflow fixes in libdislocator (#889)

* libdislocator: fixing integer overflow in 'max_mem' variable and setting 'max_mem' type to 'size_t'

* libdislocator: fixing potential integer underflow in 'total_mem' variable due to its different values in different threads

* Bumped warnings up to the max and fixed remaining issues (#890)

Co-authored-by: Your Name <you@example.com>

* nits

* frida mode - support non-pie

* nits

* nit

* update grammar mutator

* Fixes for aarch64, OSX and other minor issues (#891)

Co-authored-by: Your Name <you@example.com>

* nits

* nits

* fix PCGUARD, build aflpp_driver with fPIC

* Added representative fuzzbench test and test for libxml (#893)

* Added representative fuzzbench test and test for libxml

* Added support for building FRIDA from source with FRIDA_SOURCE=1

Co-authored-by: Your Name <you@example.com>

* nits

* update changelog

* typos

* fixed potential double free in custom trim (#881)

* error handling, freeing mem

* frida: complog -> cmplog

* fix statsd writing

* let aflpp_qemu_driver_hook.so build fail gracefully

* fix stdin trimming

* Support for AFL_ENTRYPOINT (#898)

Co-authored-by: Your Name <you@example.com>

* remove the input file .cur_input at the end of the fuzzing, if AFL_TMPDIR is used

* reverse push (#901)

* Create FUNDING.yml

* Update FUNDING.yml

* disable QEMU static pie

Co-authored-by: Andrea Fioraldi <andreafioraldi@gmail.com>

* clarify that no modifications are required.

* add new test for frida_mode (please review)

* typos

* fix persistent mode (64-bit)

* set ARCH for linux intel 32-bit for frida-gum-devkit

* prepare for 32-bit support (later)

* not on qemu 3 anymore

* unicorn mips fixes

* instrumentation further move to C++11 (#900)

* unicorn fixes

* more unicorn fixes

* Fix memory errors when trim causes testcase growth (#881) (#903)

* Revert "fixed potential double free in custom trim (#881)"

This reverts commit e9d2f72382cab75832721d859c3e731da071435d.

* Revert "fix custom trim for increasing data"

This reverts commit 86a8ef168dda766d2f25f15c15c4d3ecf21d0667.

* Fix memory errors when trim causes testcase growth

Modify trim_case_custom to avoid writing into in_buf because
some custom mutators can cause the testcase to grow rather than
shrink.

Instead of modifying in_buf directly, we write the update out
to the disk when trimming is complete, and then the caller is
responsible for refreshing the in-memory buffer from the file.

This is still a bit sketchy because it does need to modify q->len in
order to notify the upper layers that something changed, and it could
end up telling upper layer code that the q->len is *bigger* than
the buffer (q->testcase_buf) that contains it, which is asking
for trouble down the line somewhere...

* Fix an unlikely situation

Put back some `unlikely()` calls that were in
the e9d2f72382cab75832721d859c3e731da071435d commit that was
reverted.

* typo

* Exit on time (#904)

* Variable AFL_EXIT_ON_TIME description has been added.
Variables AFL_EXIT_ON_TIME and afl_exit_on_time has been added.
afl->exit_on_time variable initialization has been added.
The asignment of a value to the afl->afl_env.afl_exit_on_time variable from
environment variables has been added.
Code to exit on timeout if new path not found has been added.

* Type of afl_exit_on_time variable has been changed.
Variable exit_on_time has been added to the afl_state_t structure.

* Command `export AFL_EXIT_WHEN_DONE=1` has been added.

* Millisecond to second conversion has been added.
Call get_cur_time() has been added.

* Revert to using the saved current time value.

* Useless check has been removed.

* fix new path to custom-mutators

* ensure crashes/README.txt exists

* fix

* Changes to bump FRIDA version and to clone FRIDA repo in to build directory rather than use a submodule as the FRIDA build scripts don't like it (#906)

Co-authored-by: Your Name <you@example.com>

* Fix numeric overflow in cmplog implementation (#907)

Co-authored-by: Your Name <you@example.com>

* testcase fixes for unicorn

* remove merge conflict artifacts

* fix afl-plot

* Changes to remove binaries from frida_mode (#913)

Co-authored-by: Your Name <you@example.com>

* Frida cmplog fail fast (#914)

* Changes to remove binaries from frida_mode

* Changes to make cmplog fail fast

Co-authored-by: Your Name <you@example.com>

* afl-plot: relative time

* arch linux and mac os support for afl-system-config

* typo

* code-format

* update documentation

Co-authored-by: Dominik Maier <domenukk@gmail.com>
Co-authored-by: WorksButNotTested <62701594+WorksButNotTested@users.noreply.github.com>
Co-authored-by: Your Name <you@example.com>
Co-authored-by: Dmitry Zheregelya <zheregelya.d@gmail.com>
Co-authored-by: hexcoder <hexcoder-@users.noreply.github.com>
Co-authored-by: hexcoder- <heiko@hexco.de>
Co-authored-by: Andrea Fioraldi <andreafioraldi@gmail.com>
Co-authored-by: David CARLIER <devnexen@gmail.com>
Co-authored-by: realmadsci <71108352+realmadsci@users.noreply.github.com>
Co-authored-by: Roman M. Iudichev <SecNotice@ya.ru>
Diffstat (limited to 'frida_mode/src/main.c')
-rw-r--r--frida_mode/src/main.c72
1 files changed, 43 insertions, 29 deletions
diff --git a/frida_mode/src/main.c b/frida_mode/src/main.c
index 7505c2f9..e031dbed 100644
--- a/frida_mode/src/main.c
+++ b/frida_mode/src/main.c
@@ -10,13 +10,19 @@
 #endif
 
 #include "frida-gum.h"
+
 #include "config.h"
 #include "debug.h"
 
-#include "interceptor.h"
+#include "entry.h"
 #include "instrument.h"
+#include "interceptor.h"
+#include "lib.h"
+#include "persistent.h"
 #include "prefetch.h"
 #include "ranges.h"
+#include "stalker.h"
+#include "util.h"
 
 #ifdef __APPLE__
 extern mach_port_t mach_task_self();
@@ -30,16 +36,11 @@ extern int  __libc_start_main(int *(main)(int, char **, char **), int argc,
 
 typedef int *(*main_fn_t)(int argc, char **argv, char **envp);
 
-static main_fn_t      main_fn = NULL;
-static GumStalker *   stalker = NULL;
-static GumMemoryRange code_range = {0};
-
-extern void              __afl_manual_init();
-extern __thread uint64_t previous_pc;
+static main_fn_t main_fn = NULL;
 
-static int on_fork() {
+static int on_fork(void) {
 
-  prefetch_read(stalker);
+  prefetch_read();
   return fork();
 
 }
@@ -47,11 +48,17 @@ static int on_fork() {
 #ifdef __APPLE__
 static void on_main_os(int argc, char **argv, char **envp) {
 
+  UNUSED_PARAMETER(argc);
+  UNUSED_PARAMETER(argv);
+  UNUSED_PARAMETER(envp);
+
 }
 
 #else
 static void on_main_os(int argc, char **argv, char **envp) {
 
+  UNUSED_PARAMETER(argc);
+
   /* Personality doesn't affect the current process, it only takes effect on
    * evec */
   int persona = personality(ADDR_NO_RANDOMIZE);
@@ -70,37 +77,43 @@ static void on_main_os(int argc, char **argv, char **envp) {
 
 static int *on_main(int argc, char **argv, char **envp) {
 
-  on_main_os(argc, argv, envp);
+  void *fork_addr;
 
-  stalker = gum_stalker_new();
-  if (stalker == NULL) { FATAL("Failed to initialize stalker"); }
+  on_main_os(argc, argv, envp);
 
-  gum_stalker_set_trust_threshold(stalker, 0);
+  unintercept_self();
 
-  GumStalkerTransformer *transformer =
-      gum_stalker_transformer_make_from_callback(instr_basic_block, NULL, NULL);
+  stalker_init();
 
+  lib_init();
+  entry_init();
   instrument_init();
+  persistent_init();
   prefetch_init();
-  ranges_init(stalker);
+  ranges_init();
 
-  intercept(fork, on_fork, stalker);
+  fork_addr = GSIZE_TO_POINTER(gum_module_find_export_by_name(NULL, "fork"));
+  intercept(fork_addr, on_fork, NULL);
 
-  gum_stalker_follow_me(stalker, transformer, NULL);
-  gum_stalker_deactivate(stalker);
+  stalker_start();
+  entry_run();
 
-  __afl_manual_init();
+  return main_fn(argc, argv, envp);
 
-  /* Child here */
-  previous_pc = 0;
-  prefetch_start(stalker);
-  main_fn(argc, argv, envp);
-  _exit(0);
+}
+
+#if defined(EMBEDDED)
+extern int *main(int argc, char **argv, char **envp);
+
+static void intercept_main(void) {
+
+  main_fn = main;
+  intercept(main, on_main, NULL);
 
 }
 
-#ifdef __APPLE__
-static void intercept_main() {
+#elif defined(__APPLE__)
+static void intercept_main(void) {
 
   mach_port_t task = mach_task_self();
   OKF("Task Id: %u", task);
@@ -119,13 +132,14 @@ static int on_libc_start_main(int *(main)(int, char **, char **), int argc,
                               void(*stack_end)) {
 
   main_fn = main;
+  unintercept_self();
   intercept(main, on_main, NULL);
   return __libc_start_main(main, argc, ubp_av, init, fini, rtld_fini,
                            stack_end);
 
 }
 
-static void intercept_main() {
+static void intercept_main(void) {
 
   intercept(__libc_start_main, on_libc_start_main, NULL);
 
@@ -133,7 +147,7 @@ static void intercept_main() {
 
 #endif
 
-__attribute__((constructor)) static void init() {
+__attribute__((constructor)) static void init(void) {
 
   gum_init_embedded();
   if (!gum_stalker_is_supported()) {