From 7b6743f14ceb426e282900a9d5ee35b1ac820013 Mon Sep 17 00:00:00 2001 From: Your Name Date: Mon, 1 Aug 2022 08:10:45 +0100 Subject: Android fixes --- frida_mode/src/main.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'frida_mode/src/main.c') diff --git a/frida_mode/src/main.c b/frida_mode/src/main.c index 844c42b9..1bbcec28 100644 --- a/frida_mode/src/main.c +++ b/frida_mode/src/main.c @@ -36,6 +36,17 @@ #ifdef __APPLE__ extern mach_port_t mach_task_self(); extern GumAddress gum_darwin_find_entrypoint(mach_port_t task); +#elif defined(__ANDROID__) +typedef struct { + void (**preinit_array)(void); + void (**init_array)(void); + void (**fini_array)(void); +} structors_array_t; + +extern void __libc_init(void* raw_args, + void (*onexit)(void) __unused, + int (*slingshot)(int, char **, char **), + structors_array_t const * const structors); #else extern int __libc_start_main(int (*main)(int, char **, char **), int argc, char **ubp_av, void (*init)(void), @@ -69,7 +80,11 @@ static void on_main_os(int argc, char **argv, char **envp) { GumInterceptor *interceptor = gum_interceptor_obtain(); gum_interceptor_begin_transaction(interceptor); + #if defined(__ANDROID__) + gum_interceptor_revert(interceptor, __libc_init); + #else gum_interceptor_revert(interceptor, __libc_start_main); + #endif gum_interceptor_end_transaction(interceptor); gum_interceptor_flush(interceptor); @@ -275,6 +290,22 @@ static void intercept_main(void) { main_fn = main; intercept_hook(main, on_main, NULL); +} +#elif defined(__ANDROID__) +static void on_libc_init(void* raw_args, + void (*onexit)(void) __unused, + int (*slingshot)(int, char**, char**), + structors_array_t const * const structors){ + main_fn = slingshot; + intercept_unhook_self(); + intercept_hook(slingshot, on_main, NULL); + return __libc_init(raw_args, onexit, slingshot, structors); + +} +static void intercept_main(void) { + + intercept_hook(__libc_init, on_libc_init, NULL); + } #else -- cgit 1.4.1