Decompiled binary from C3TF/PWN/ChatUDC

decompiled-chat_udc.c

void _init()
{
    if (__gmon_start__ != 0)
    {
        __gmon_start__();
    }
}

int64_t sub_401020()
{
    int64_t var_8 = data_404008;
    /* jump -> data_404010 */
}

int64_t sub_401030()
{
    int64_t var_8 = 0;
    /* tailcall */
    return sub_401020();
}

int64_t sub_401040()
{
    int64_t var_8 = 1;
    /* tailcall */
    return sub_401020();
}

int64_t sub_401050()
{
    int64_t var_8 = 2;
    /* tailcall */
    return sub_401020();
}

int32_t puts(char const* str)
{
    /* tailcall */
    return puts(str);
}

int32_t fflush(FILE* fp)
{
    /* tailcall */
    return fflush(fp);
}

int32_t __isoc99_scanf(char const* format, ...)
{
    /* tailcall */
    return __isoc99_scanf();
}

int64_t _start(int64_t arg1, int64_t arg2, void (* arg3)()) __noreturn
{
    int64_t rax;
    int64_t var_8 = rax;
    __libc_start_main(main, __return_addr, &arg_8, __libc_csu_init, __libc_csu_fini, arg3, &var_8);
    /* no return */
}

int64_t _dl_relocate_static_pie()
{
    return;
}

void deregister_tm_clones()
{
    return;
}

void register_tm_clones()
{
    return;
}

void __do_global_dtors_aux()
{
    if (completed.8061 != 0)
    {
        return;
    }
    deregister_tm_clones();
    completed.8061 = 1;
}

int64_t frame_dummy()
{
    /* tailcall */
    return register_tm_clones();
}

int64_t do_nothing()
{
    int64_t rbp;
    int64_t var_8 = rbp;
    int32_t rdi;
    int32_t var_c = rdi;
}

int64_t sub_401187(int64_t* arg1 @ rbp)
{
    *arg1;
    return puts("/bin/sh");
}

int64_t print_msg(char* arg1, char* arg2)
{
    puts(arg1);
    fflush(stdout);
    void var_38;
    __isoc99_scanf(&data_40200c, &var_38);
    puts(arg2);
    fflush(stdout);
    return 1;
}

int32_t main(int32_t argc, char** argv, char** envp)
{
    int64_t var_d8 = 0x6f53202e616c6f48;
    int64_t var_d0 = 0x4455746168432079;
    int64_t var_c8 = 0x206544bfc2202e43;
    int64_t var_c0 = 0x69757120a9c37571;
    int64_t var_b8 = 0x6261682073657265;
    int64_t var_b0 = 0x3f796f682072616c;
    int64_t var_a8 = 0;
    int64_t var_a0 = 0;
    int64_t var_98 = 0;
    int64_t var_90 = 0;
    int64_t var_88 = 0;
    int64_t var_80 = 0;
    int64_t var_78 = 0;
    int64_t var_70 = 0;
    int64_t var_68 = 0;
    int64_t var_60 = 0;
    int64_t var_58 = 0;
    int64_t var_50 = 0;
    int64_t var_48 = 0;
    int64_t var_40 = 0;
    int64_t var_38 = 0;
    int64_t var_30 = 0;
    int64_t var_28 = 0;
    int64_t var_20 = 0;
    int64_t var_18 = 0;
    int64_t var_1a8 = 0x54203a524f525245;
    int64_t var_1a0 = 0x52204f4e20414d45;
    int64_t var_198 = 0x4449434f4e4f4345;
    int64_t var_190 = 0x45494c4153202e4f;
    int64_t var_188 = 0x204c4544204f444e;
    int64_t var_180 = 0x414d4152474f5250;
    int64_t var_178 = 0x2e2e2e;
    int64_t var_170 = 0;
    int64_t var_168 = 0;
    int64_t var_160 = 0;
    int64_t var_158 = 0;
    int64_t var_150 = 0;
    int64_t var_148 = 0;
    int64_t var_140 = 0;
    int64_t var_138 = 0;
    int64_t var_130 = 0;
    int64_t var_128 = 0;
    int64_t var_120 = 0;
    int64_t var_118 = 0;
    int64_t var_110 = 0;
    int64_t var_108 = 0;
    int64_t var_100 = 0;
    int64_t var_f8 = 0;
    int64_t var_f0 = 0;
    int64_t var_e8 = 0;
    print_msg(&var_d8, &var_1a8);
    return 1;
}

void __libc_csu_init()
{
    _init();
    int64_t rbx_1 = 0;
    do
    {
        int64_t rdx;
        int64_t rsi;
        int32_t rdi;
        *(&__init_array_start + (rbx_1 << 3))(rdi, rsi, rdx);
        rbx_1 = (rbx_1 + 1);
    } while (1 != rbx_1);
}

void __libc_csu_fini()
{
    return;
}

int64_t _fini()
{
    return;
}