diff options
Diffstat (limited to 'frida_mode/src/main.c')
-rw-r--r-- | frida_mode/src/main.c | 72 |
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()) { |