mirror of
https://github.com/radareorg/radare2.git
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104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/* radare - LGPL - Copyright 2014-2016 - pancake */
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#include <r_core.h>
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#if __WINDOWS__
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#include <windows.h>
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#endif
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static RCore *core = NULL;
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#if __UNIX__
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// XXX check if its already opened
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static RCoreFile *openself(void) {
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RCoreFile *fd = NULL;
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char *out = r_core_cmd_str (core, "o");
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if (out) {
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if (!strstr (out, "self://")) {
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fd = r_core_file_open (core, "self://", R_PERM_RW, 0);
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}
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free (out);
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}
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return fd;
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}
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static void sigusr1(int s) {
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RCoreFile *fd = openself ();
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r_core_prompt_loop (core);
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r_core_file_close (core, fd);
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}
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static void sigusr2(int s) {
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(void)openself();
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r_core_cmd0 (core, "=H&");
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}
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static void _libwrap_init() __attribute__ ((constructor));
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static void _libwrap_init() {
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char *web;
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signal (SIGUSR1, sigusr1);
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signal (SIGUSR2, sigusr2);
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printf ("libr2 initialized. send SIGUSR1 to %d in order to reach the r2 prompt\n", getpid ());
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printf ("kill -USR1 %d\n", getpid ());
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fflush (stdout);
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web = r_sys_getenv ("RARUN2_WEB");
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core = r_core_new ();
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r_core_loadlibs (core, R_CORE_LOADLIBS_ALL, NULL);
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if (web) {
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r_core_cmd0 (core, "=H&");
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r_sys_setenv ("RARUN2_WEB", NULL);
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free (web);
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}
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// TODO: maybe reopen every time a signal is spawned to reload memory regions information
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// TODO: open io_self
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}
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#elif __WINDOWS__
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void alloc_console() {
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CONSOLE_SCREEN_BUFFER_INFO coninfo;
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HANDLE hStdin = GetStdHandle (STD_INPUT_HANDLE);
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DWORD lpMode;
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AllocConsole ();
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GetConsoleMode (hStdin, &lpMode);
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SetConsoleMode (hStdin, lpMode & (~ENABLE_MOUSE_INPUT | ENABLE_PROCESSED_INPUT));
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GetConsoleScreenBufferInfo (hStdin, &coninfo);
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coninfo.dwSize.Y = 4096;
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SetConsoleScreenBufferSize (hStdin, coninfo.dwSize);
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freopen ("conin$", "r", stdin);
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freopen ("conout$", "w", stdout);
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freopen ("conout$", "w", stderr);
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}
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static void start_r2() {
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core = r_core_new ();
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r_core_loadlibs (core, R_CORE_LOADLIBS_ALL, NULL);
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RCoreFile *fd = r_core_file_open (core, "self://", R_PERM_RW, 0);
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r_core_prompt_loop (core);
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r_core_file_close (core, fd);
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}
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/**
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* Neat little helper function to later enable injecting without
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* a .exe
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* simply call: rundll32.exe libr2.dll,rundll_inject 0,0,0,0
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* TODO: implement all injecting methods
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*/
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void rundll_inject(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
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/* do something here */
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}
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD result, LPVOID lpReserved) {
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switch (result) {
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case DLL_PROCESS_DETACH:
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break;
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case DLL_PROCESS_ATTACH:
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alloc_console ();
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start_r2 ();
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break;
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}
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return 1;
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}
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#endif
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