/** * Author......: See docs/credits.txt * License.....: MIT */ #include "common.h" #include "types.h" #include "bitops.h" #include "rp.h" #include "rp_kernel_on_cpu.h" static u32 swap32_S (const u32 value) { return byte_swap_32 (value); } static u32 generate_cmask (const u32 value) { const u32 rmask = ((value & 0x40404040u) >> 1u) & ~((value & 0x80808080u) >> 2u); const u32 hmask = (value & 0x1f1f1f1fu) + 0x05050505u; const u32 lmask = (value & 0x1f1f1f1fu) + 0x1f1f1f1fu; return rmask & ~hmask & lmask; } static void truncate_right (u32 buf0[4], u32 buf1[4], const u32 offset) { const u32 tmp = (1u << ((offset & 3u) * 8u)) - 1u; switch (offset / 4) { case 0: buf0[0] &= tmp; buf0[1] = 0; buf0[2] = 0; buf0[3] = 0; buf1[0] = 0; buf1[1] = 0; buf1[2] = 0; buf1[3] = 0; break; case 1: buf0[1] &= tmp; buf0[2] = 0; buf0[3] = 0; buf1[0] = 0; buf1[1] = 0; buf1[2] = 0; buf1[3] = 0; break; case 2: buf0[2] &= tmp; buf0[3] = 0; buf1[0] = 0; buf1[1] = 0; buf1[2] = 0; buf1[3] = 0; break; case 3: buf0[3] &= tmp; buf1[0] = 0; buf1[1] = 0; buf1[2] = 0; buf1[3] = 0; break; case 4: buf1[0] &= tmp; buf1[1] = 0; buf1[2] = 0; buf1[3] = 0; break; case 5: buf1[1] &= tmp; buf1[2] = 0; buf1[3] = 0; break; case 6: buf1[2] &= tmp; buf1[3] = 0; break; case 7: buf1[3] &= tmp; break; } } static void truncate_left (u32 buf0[4], u32 buf1[4], const u32 offset) { const u32 tmp = ~((1u << ((offset & 3u) * 8u)) - 1u); switch (offset / 4) { case 0: buf0[0] &= tmp; break; case 1: buf0[0] = 0; buf0[1] &= tmp; break; case 2: buf0[0] = 0; buf0[1] = 0; buf0[2] &= tmp; break; case 3: buf0[0] = 0; buf0[1] = 0; buf0[2] = 0; buf0[3] &= tmp; break; case 4: buf0[0] = 0; buf0[1] = 0; buf0[2] = 0; buf0[3] = 0; buf1[0] &= tmp; break; case 5: buf0[0] = 0; buf0[1] = 0; buf0[2] = 0; buf0[3] = 0; buf1[0] = 0; buf1[1] &= tmp; break; case 6: buf0[0] = 0; buf0[1] = 0; buf0[2] = 0; buf0[3] = 0; buf1[0] = 0; buf1[1] = 0; buf1[2] &= tmp; break; case 7: buf0[0] = 0; buf0[1] = 0; buf0[2] = 0; buf0[3] = 0; buf1[0] = 0; buf1[1] = 0; buf1[2] = 0; buf1[3] &= tmp; break; } } static void lshift_block (const u32 in0[4], const u32 in1[4], u32 out0[4], u32 out1[4]) { out0[0] = in0[0] >> 8 | in0[1] << 24; out0[1] = in0[1] >> 8 | in0[2] << 24; out0[2] = in0[2] >> 8 | in0[3] << 24; out0[3] = in0[3] >> 8 | in1[0] << 24; out1[0] = in1[0] >> 8 | in1[1] << 24; out1[1] = in1[1] >> 8 | in1[2] << 24; out1[2] = in1[2] >> 8 | in1[3] << 24; out1[3] = in1[3] >> 8; } static void rshift_block (const u32 in0[4], const u32 in1[4], u32 out0[4], u32 out1[4]) { out1[3] = in1[3] << 8 | in1[2] >> 24; out1[2] = in1[2] << 8 | in1[1] >> 24; out1[1] = in1[1] << 8 | in1[0] >> 24; out1[0] = in1[0] << 8 | in0[3] >> 24; out0[3] = in0[3] << 8 | in0[2] >> 24; out0[2] = in0[2] << 8 | in0[1] >> 24; out0[1] = in0[1] << 8 | in0[0] >> 24; out0[0] = in0[0] << 8; } static void rshift_block_N (const u32 in0[4], const u32 in1[4], u32 out0[4], u32 out1[4], const u32 num) { switch (num) { case 0: out1[3] = in1[3]; out1[2] = in1[2]; out1[1] = in1[1]; out1[0] = in1[0]; out0[3] = in0[3]; out0[2] = in0[2]; out0[1] = in0[1]; out0[0] = in0[0]; break; case 1: out1[3] = in1[3] << 8 | in1[2] >> 24; out1[2] = in1[2] << 8 | in1[1] >> 24; out1[1] = in1[1] << 8 | in1[0] >> 24; out1[0] = in1[0] << 8 | in0[3] >> 24; out0[3] = in0[3] << 8 | in0[2] >> 24; out0[2] = in0[2] << 8 | in0[1] >> 24; out0[1] = in0[1] << 8 | in0[0] >> 24; out0[0] = in0[0] << 8; break; case 2: out1[3] = in1[3] << 16 | in1[2] >> 16; out1[2] = in1[2] << 16 | in1[1] >> 16; out1[1] = in1[1] << 16 | in1[0] >> 16; out1[0] = in1[0] << 16 | in0[3] >> 16; out0[3] = in0[3] << 16 | in0[2] >> 16; out0[2] = in0[2] << 16 | in0[1] >> 16; out0[1] = in0[1] << 16 | in0[0] >> 16; out0[0] = in0[0] << 16; break; case 3: out1[3] = in1[3] << 24 | in1[2] >> 8; out1[2] = in1[2] << 24 | in1[1] >> 8; out1[1] = in1[1] << 24 | in1[0] >> 8; out1[0] = in1[0] << 24 | in0[3] >> 8; out0[3] = in0[3] << 24 | in0[2] >> 8; out0[2] = in0[2] << 24 | in0[1] >> 8; out0[1] = in0[1] << 24 | in0[0] >> 8; out0[0] = in0[0] << 24; break; case 4: out1[3] = in1[2]; out1[2] = in1[1]; out1[1] = in1[0]; out1[0] = in0[3]; out0[3] = in0[2]; out0[2] = in0[1]; out0[1] = in0[0]; out0[0] = 0; break; case 5: out1[3] = in1[2] << 8 | in1[1] >> 24; out1[2] = in1[1] << 8 | in1[0] >> 24; out1[1] = in1[0] << 8 | in0[3] >> 24; out1[0] = in0[3] << 8 | in0[2] >> 24; out0[3] = in0[2] << 8 | in0[1] >> 24; out0[2] = in0[1] << 8 | in0[0] >> 24; out0[1] = in0[0] << 8; out0[0] = 0; break; case 6: out1[3] = in1[2] << 16 | in1[1] >> 16; out1[2] = in1[1] << 16 | in1[0] >> 16; out1[1] = in1[0] << 16 | in0[3] >> 16; out1[0] = in0[3] << 16 | in0[2] >> 16; out0[3] = in0[2] << 16 | in0[1] >> 16; out0[2] = in0[1] << 16 | in0[0] >> 16; out0[1] = in0[0] << 16; out0[0] = 0; break; case 7: out1[3] = in1[2] << 24 | in1[1] >> 8; out1[2] = in1[1] << 24 | in1[0] >> 8; out1[1] = in1[0] << 24 | in0[3] >> 8; out1[0] = in0[3] << 24 | in0[2] >> 8; out0[3] = in0[2] << 24 | in0[1] >> 8; out0[2] = in0[1] << 24 | in0[0] >> 8; out0[1] = in0[0] << 24; out0[0] = 0; break; case 8: out1[3] = in1[1]; out1[2] = in1[0]; out1[1] = in0[3]; out1[0] = in0[2]; out0[3] = in0[1]; out0[2] = in0[0]; out0[1] = 0; out0[0] = 0; break; case 9: out1[3] = in1[1] << 8 | in1[0] >> 24; out1[2] = in1[0] << 8 | in0[3] >> 24; out1[1] = in0[3] << 8 | in0[2] >> 24; out1[0] = in0[2] << 8 | in0[1] >> 24; out0[3] = in0[1] << 8 | in0[0] >> 24; out0[2] = in0[0] << 8; out0[1] = 0; out0[0] = 0; break; case 10: out1[3] = in1[1] << 16 | in1[0] >> 16; out1[2] = in1[0] << 16 | in0[3] >> 16; out1[1] = in0[3] << 16 | in0[2] >> 16; out1[0] = in0[2] << 16 | in0[1] >> 16; out0[3] = in0[1] << 16 | in0[0] >> 16; out0[2] = in0[0] << 16; out0[1] = 0; out0[0] = 0; break; case 11: out1[3] = in1[1] << 24 | in1[0] >> 8; out1[2] = in1[0] << 24 | in0[3] >> 8; out1[1] = in0[3] << 24 | in0[2] >> 8; out1[0] = in0[2] << 24 | in0[1] >> 8; out0[3] = in0[1] << 24 | in0[0] >> 8; out0[2] = in0[0] << 24; out0[1] = 0; out0[0] = 0; break; case 12: out1[3] = in1[0]; out1[2] = in0[3]; out1[1] = in0[2]; out1[0] = in0[1]; out0[3] = in0[0]; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 13: out1[3] = in1[0] << 8 | in0[3] >> 24; out1[2] = in0[3] << 8 | in0[2] >> 24; out1[1] = in0[2] << 8 | in0[1] >> 24; out1[0] = in0[1] << 8 | in0[0] >> 24; out0[3] = in0[0] << 8; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 14: out1[3] = in1[0] << 16 | in0[3] >> 16; out1[2] = in0[3] << 16 | in0[2] >> 16; out1[1] = in0[2] << 16 | in0[1] >> 16; out1[0] = in0[1] << 16 | in0[0] >> 16; out0[3] = in0[0] << 16; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 15: out1[3] = in1[0] << 24 | in0[3] >> 8; out1[2] = in0[3] << 24 | in0[2] >> 8; out1[1] = in0[2] << 24 | in0[1] >> 8; out1[0] = in0[1] << 24 | in0[0] >> 8; out0[3] = in0[0] << 24; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 16: out1[3] = in0[3]; out1[2] = in0[2]; out1[1] = in0[1]; out1[0] = in0[0]; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 17: out1[3] = in0[3] << 8 | in0[2] >> 24; out1[2] = in0[2] << 8 | in0[1] >> 24; out1[1] = in0[1] << 8 | in0[0] >> 24; out1[0] = in0[0] << 8; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 18: out1[3] = in0[3] << 16 | in0[2] >> 16; out1[2] = in0[2] << 16 | in0[1] >> 16; out1[1] = in0[1] << 16 | in0[0] >> 16; out1[0] = in0[0] << 16; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 19: out1[3] = in0[3] << 24 | in0[2] >> 8; out1[2] = in0[2] << 24 | in0[1] >> 8; out1[1] = in0[1] << 24 | in0[0] >> 8; out1[0] = in0[0] << 24; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 20: out1[3] = in0[2]; out1[2] = in0[1]; out1[1] = in0[0]; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 21: out1[3] = in0[2] << 8 | in0[1] >> 24; out1[2] = in0[1] << 8 | in0[0] >> 24; out1[1] = in0[0] << 8; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 22: out1[3] = in0[2] << 16 | in0[1] >> 16; out1[2] = in0[1] << 16 | in0[0] >> 16; out1[1] = in0[0] << 16; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 23: out1[3] = in0[2] << 24 | in0[1] >> 8; out1[2] = in0[1] << 24 | in0[0] >> 8; out1[1] = in0[0] << 24; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 24: out1[3] = in0[1]; out1[2] = in0[0]; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 25: out1[3] = in0[1] << 8 | in0[0] >> 24; out1[2] = in0[0] << 8; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 26: out1[3] = in0[1] << 16 | in0[0] >> 16; out1[2] = in0[0] << 16; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 27: out1[3] = in0[1] << 24 | in0[0] >> 8; out1[2] = in0[0] << 24; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 28: out1[3] = in0[0]; out1[2] = 0; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 29: out1[3] = in0[0] << 8; out1[2] = 0; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 30: out1[3] = in0[0] << 16; out1[2] = 0; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; case 31: out1[3] = in0[0] << 24; out1[2] = 0; out1[1] = 0; out1[0] = 0; out0[3] = 0; out0[2] = 0; out0[1] = 0; out0[0] = 0; break; } } static void lshift_block_N (const u32 in0[4], const u32 in1[4], u32 out0[4], u32 out1[4], const u32 num) { switch (num) { case 0: out0[0] = in0[0]; out0[1] = in0[1]; out0[2] = in0[2]; out0[3] = in0[3]; out1[0] = in1[0]; out1[1] = in1[1]; out1[2] = in1[2]; out1[3] = in1[3]; break; case 1: out0[0] = in0[0] >> 8 | in0[1] << 24; out0[1] = in0[1] >> 8 | in0[2] << 24; out0[2] = in0[2] >> 8 | in0[3] << 24; out0[3] = in0[3] >> 8 | in1[0] << 24; out1[0] = in1[0] >> 8 | in1[1] << 24; out1[1] = in1[1] >> 8 | in1[2] << 24; out1[2] = in1[2] >> 8 | in1[3] << 24; out1[3] = in1[3] >> 8; break; case 2: out0[0] = in0[0] >> 16 | in0[1] << 16; out0[1] = in0[1] >> 16 | in0[2] << 16; out0[2] = in0[2] >> 16 | in0[3] << 16; out0[3] = in0[3] >> 16 | in1[0] << 16; out1[0] = in1[0] >> 16 | in1[1] << 16; out1[1] = in1[1] >> 16 | in1[2] << 16; out1[2] = in1[2] >> 16 | in1[3] << 16; out1[3] = in1[3] >> 16; break; case 3: out0[0] = in0[0] >> 24 | in0[1] << 8; out0[1] = in0[1] >> 24 | in0[2] << 8; out0[2] = in0[2] >> 24 | in0[3] << 8; out0[3] = in0[3] >> 24 | in1[0] << 8; out1[0] = in1[0] >> 24 | in1[1] << 8; out1[1] = in1[1] >> 24 | in1[2] << 8; out1[2] = in1[2] >> 24 | in1[3] << 8; out1[3] = in1[3] >> 24; break; case 4: out0[0] = in0[1]; out0[1] = in0[2]; out0[2] = in0[3]; out0[3] = in1[0]; out1[0] = in1[1]; out1[1] = in1[2]; out1[2] = in1[3]; out1[3] = 0; break; case 5: out0[0] = in0[1] >> 8 | in0[2] << 24; out0[1] = in0[2] >> 8 | in0[3] << 24; out0[2] = in0[3] >> 8 | in1[0] << 24; out0[3] = in1[0] >> 8 | in1[1] << 24; out1[0] = in1[1] >> 8 | in1[2] << 24; out1[1] = in1[2] >> 8 | in1[3] << 24; out1[2] = in1[3] >> 8; out1[3] = 0; break; case 6: out0[0] = in0[1] >> 16 | in0[2] << 16; out0[1] = in0[2] >> 16 | in0[3] << 16; out0[2] = in0[3] >> 16 | in1[0] << 16; out0[3] = in1[0] >> 16 | in1[1] << 16; out1[0] = in1[1] >> 16 | in1[2] << 16; out1[1] = in1[2] >> 16 | in1[3] << 16; out1[2] = in1[3] >> 16; out1[3] = 0; break; case 7: out0[0] = in0[1] >> 24 | in0[2] << 8; out0[1] = in0[2] >> 24 | in0[3] << 8; out0[2] = in0[3] >> 24 | in1[0] << 8; out0[3] = in1[0] >> 24 | in1[1] << 8; out1[0] = in1[1] >> 24 | in1[2] << 8; out1[1] = in1[2] >> 24 | in1[3] << 8; out1[2] = in1[3] >> 24; out1[3] = 0; break; case 8: out0[0] = in0[2]; out0[1] = in0[3]; out0[2] = in1[0]; out0[3] = in1[1]; out1[0] = in1[2]; out1[1] = in1[3]; out1[2] = 0; out1[3] = 0; break; case 9: out0[0] = in0[2] >> 8 | in0[3] << 24; out0[1] = in0[3] >> 8 | in1[0] << 24; out0[2] = in1[0] >> 8 | in1[1] << 24; out0[3] = in1[1] >> 8 | in1[2] << 24; out1[0] = in1[2] >> 8 | in1[3] << 24; out1[1] = in1[3] >> 8; out1[2] = 0; out1[3] = 0; break; case 10: out0[0] = in0[2] >> 16 | in0[3] << 16; out0[1] = in0[3] >> 16 | in1[0] << 16; out0[2] = in1[0] >> 16 | in1[1] << 16; out0[3] = in1[1] >> 16 | in1[2] << 16; out1[0] = in1[2] >> 16 | in1[3] << 16; out1[1] = in1[3] >> 16; out1[2] = 0; out1[3] = 0; break; case 11: out0[0] = in0[2] >> 24 | in0[3] << 8; out0[1] = in0[3] >> 24 | in1[0] << 8; out0[2] = in1[0] >> 24 | in1[1] << 8; out0[3] = in1[1] >> 24 | in1[2] << 8; out1[0] = in1[2] >> 24 | in1[3] << 8; out1[1] = in1[3] >> 24; out1[2] = 0; out1[3] = 0; break; case 12: out0[0] = in0[3]; out0[1] = in1[0]; out0[2] = in1[1]; out0[3] = in1[2]; out1[0] = in1[3]; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 13: out0[0] = in0[3] >> 8 | in1[0] << 24; out0[1] = in1[0] >> 8 | in1[1] << 24; out0[2] = in1[1] >> 8 | in1[2] << 24; out0[3] = in1[2] >> 8 | in1[3] << 24; out1[0] = in1[3] >> 8; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 14: out0[0] = in0[3] >> 16 | in1[0] << 16; out0[1] = in1[0] >> 16 | in1[1] << 16; out0[2] = in1[1] >> 16 | in1[2] << 16; out0[3] = in1[2] >> 16 | in1[3] << 16; out1[0] = in1[3] >> 16; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 15: out0[0] = in0[3] >> 24 | in1[0] << 8; out0[1] = in1[0] >> 24 | in1[1] << 8; out0[2] = in1[1] >> 24 | in1[2] << 8; out0[3] = in1[2] >> 24 | in1[3] << 8; out1[0] = in1[3] >> 24; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 16: out0[0] = in1[0]; out0[1] = in1[1]; out0[2] = in1[2]; out0[3] = in1[3]; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 17: out0[0] = in1[0] >> 8 | in1[1] << 24; out0[1] = in1[1] >> 8 | in1[2] << 24; out0[2] = in1[2] >> 8 | in1[3] << 24; out0[3] = in1[3] >> 8; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 18: out0[0] = in1[0] >> 16 | in1[1] << 16; out0[1] = in1[1] >> 16 | in1[2] << 16; out0[2] = in1[2] >> 16 | in1[3] << 16; out0[3] = in1[3] >> 16; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 19: out0[0] = in1[0] >> 24 | in1[1] << 8; out0[1] = in1[1] >> 24 | in1[2] << 8; out0[2] = in1[2] >> 24 | in1[3] << 8; out0[3] = in1[3] >> 24; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 20: out0[0] = in1[1]; out0[1] = in1[2]; out0[2] = in1[3]; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 21: out0[0] = in1[1] >> 8 | in1[2] << 24; out0[1] = in1[2] >> 8 | in1[3] << 24; out0[2] = in1[3] >> 8; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 22: out0[0] = in1[1] >> 16 | in1[2] << 16; out0[1] = in1[2] >> 16 | in1[3] << 16; out0[2] = in1[3] >> 16; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 23: out0[0] = in1[1] >> 24 | in1[2] << 8; out0[1] = in1[2] >> 24 | in1[3] << 8; out0[2] = in1[3] >> 24; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 24: out0[0] = in1[2]; out0[1] = in1[3]; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 25: out0[0] = in1[2] >> 8 | in1[3] << 24; out0[1] = in1[3] >> 8; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 26: out0[0] = in1[2] >> 16 | in1[3] << 16; out0[1] = in1[3] >> 16; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 27: out0[0] = in1[2] >> 24 | in1[3] << 8; out0[1] = in1[3] >> 24; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 28: out0[0] = in1[3]; out0[1] = 0; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 29: out0[0] = in1[3] >> 8; out0[1] = 0; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 30: out0[0] = in1[3] >> 16; out0[1] = 0; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; case 31: out0[0] = in1[3] >> 24; out0[1] = 0; out0[2] = 0; out0[3] = 0; out1[0] = 0; out1[1] = 0; out1[2] = 0; out1[3] = 0; break; } } static void append_block1 (const u32 offset, u32 buf0[4], u32 buf1[4], const u32 src_r0) { // this version works with 1 byte append only const u32 value = src_r0 & 0xff; const u32 shift = (offset & 3) * 8; const u32 tmp = value << shift; buf0[0] |= (offset < 4) ? tmp : 0; buf0[1] |= ((offset >= 4) && (offset < 8)) ? tmp : 0; buf0[2] |= ((offset >= 8) && (offset < 12)) ? tmp : 0; buf0[3] |= ((offset >= 12) && (offset < 16)) ? tmp : 0; buf1[0] |= ((offset >= 16) && (offset < 20)) ? tmp : 0; buf1[1] |= ((offset >= 20) && (offset < 24)) ? tmp : 0; buf1[2] |= ((offset >= 24) && (offset < 28)) ? tmp : 0; buf1[3] |= (offset >= 28) ? tmp : 0; } static void append_block8 (const u32 offset, u32 buf0[4], u32 buf1[4], const u32 src_l0[4], const u32 src_l1[4], const u32 src_r0[4], const u32 src_r1[4]) { switch (offset) { case 0: buf0[0] = src_r0[0]; buf0[1] = src_r0[1]; buf0[2] = src_r0[2]; buf0[3] = src_r0[3]; buf1[0] = src_r1[0]; buf1[1] = src_r1[1]; buf1[2] = src_r1[2]; buf1[3] = src_r1[3]; break; case 1: buf0[0] = src_l0[0] | src_r0[0] << 8; buf0[1] = src_r0[0] >> 24 | src_r0[1] << 8; buf0[2] = src_r0[1] >> 24 | src_r0[2] << 8; buf0[3] = src_r0[2] >> 24 | src_r0[3] << 8; buf1[0] = src_r0[3] >> 24 | src_r1[0] << 8; buf1[1] = src_r1[0] >> 24 | src_r1[1] << 8; buf1[2] = src_r1[1] >> 24 | src_r1[2] << 8; buf1[3] = src_r1[2] >> 24 | src_r1[3] << 8; break; case 2: buf0[0] = src_l0[0] | src_r0[0] << 16; buf0[1] = src_r0[0] >> 16 | src_r0[1] << 16; buf0[2] = src_r0[1] >> 16 | src_r0[2] << 16; buf0[3] = src_r0[2] >> 16 | src_r0[3] << 16; buf1[0] = src_r0[3] >> 16 | src_r1[0] << 16; buf1[1] = src_r1[0] >> 16 | src_r1[1] << 16; buf1[2] = src_r1[1] >> 16 | src_r1[2] << 16; buf1[3] = src_r1[2] >> 16 | src_r1[3] << 16; break; case 3: buf0[0] = src_l0[0] | src_r0[0] << 24; buf0[1] = src_r0[0] >> 8 | src_r0[1] << 24; buf0[2] = src_r0[1] >> 8 | src_r0[2] << 24; buf0[3] = src_r0[2] >> 8 | src_r0[3] << 24; buf1[0] = src_r0[3] >> 8 | src_r1[0] << 24; buf1[1] = src_r1[0] >> 8 | src_r1[1] << 24; buf1[2] = src_r1[1] >> 8 | src_r1[2] << 24; buf1[3] = src_r1[2] >> 8 | src_r1[3] << 24; break; case 4: buf0[1] = src_r0[0]; buf0[2] = src_r0[1]; buf0[3] = src_r0[2]; buf1[0] = src_r0[3]; buf1[1] = src_r1[0]; buf1[2] = src_r1[1]; buf1[3] = src_r1[2]; break; case 5: buf0[1] = src_l0[1] | src_r0[0] << 8; buf0[2] = src_r0[0] >> 24 | src_r0[1] << 8; buf0[3] = src_r0[1] >> 24 | src_r0[2] << 8; buf1[0] = src_r0[2] >> 24 | src_r0[3] << 8; buf1[1] = src_r0[3] >> 24 | src_r1[0] << 8; buf1[2] = src_r1[0] >> 24 | src_r1[1] << 8; buf1[3] = src_r1[1] >> 24 | src_r1[2] << 8; break; case 6: buf0[1] = src_l0[1] | src_r0[0] << 16; buf0[2] = src_r0[0] >> 16 | src_r0[1] << 16; buf0[3] = src_r0[1] >> 16 | src_r0[2] << 16; buf1[0] = src_r0[2] >> 16 | src_r0[3] << 16; buf1[1] = src_r0[3] >> 16 | src_r1[0] << 16; buf1[2] = src_r1[0] >> 16 | src_r1[1] << 16; buf1[3] = src_r1[1] >> 16 | src_r1[2] << 16; break; case 7: buf0[1] = src_l0[1] | src_r0[0] << 24; buf0[2] = src_r0[0] >> 8 | src_r0[1] << 24; buf0[3] = src_r0[1] >> 8 | src_r0[2] << 24; buf1[0] = src_r0[2] >> 8 | src_r0[3] << 24; buf1[1] = src_r0[3] >> 8 | src_r1[0] << 24; buf1[2] = src_r1[0] >> 8 | src_r1[1] << 24; buf1[3] = src_r1[1] >> 8 | src_r1[2] << 24; break; case 8: buf0[2] = src_r0[0]; buf0[3] = src_r0[1]; buf1[0] = src_r0[2]; buf1[1] = src_r0[3]; buf1[2] = src_r1[0]; buf1[3] = src_r1[1]; break; case 9: buf0[2] = src_l0[2] | src_r0[0] << 8; buf0[3] = src_r0[0] >> 24 | src_r0[1] << 8; buf1[0] = src_r0[1] >> 24 | src_r0[2] << 8; buf1[1] = src_r0[2] >> 24 | src_r0[3] << 8; buf1[2] = src_r0[3] >> 24 | src_r1[0] << 8; buf1[3] = src_r1[0] >> 24 | src_r1[1] << 8; break; case 10: buf0[2] = src_l0[2] | src_r0[0] << 16; buf0[3] = src_r0[0] >> 16 | src_r0[1] << 16; buf1[0] = src_r0[1] >> 16 | src_r0[2] << 16; buf1[1] = src_r0[2] >> 16 | src_r0[3] << 16; buf1[2] = src_r0[3] >> 16 | src_r1[0] << 16; buf1[3] = src_r1[0] >> 16 | src_r1[1] << 16; break; case 11: buf0[2] = src_l0[2] | src_r0[0] << 24; buf0[3] = src_r0[0] >> 8 | src_r0[1] << 24; buf1[0] = src_r0[1] >> 8 | src_r0[2] << 24; buf1[1] = src_r0[2] >> 8 | src_r0[3] << 24; buf1[2] = src_r0[3] >> 8 | src_r1[0] << 24; buf1[3] = src_r1[0] >> 8 | src_r1[1] << 24; break; case 12: buf0[3] = src_r0[0]; buf1[0] = src_r0[1]; buf1[1] = src_r0[2]; buf1[2] = src_r0[3]; buf1[3] = src_r1[0]; break; case 13: buf0[3] = src_l0[3] | src_r0[0] << 8; buf1[0] = src_r0[0] >> 24 | src_r0[1] << 8; buf1[1] = src_r0[1] >> 24 | src_r0[2] << 8; buf1[2] = src_r0[2] >> 24 | src_r0[3] << 8; buf1[3] = src_r0[3] >> 24 | src_r1[0] << 8; break; case 14: buf0[3] = src_l0[3] | src_r0[0] << 16; buf1[0] = src_r0[0] >> 16 | src_r0[1] << 16; buf1[1] = src_r0[1] >> 16 | src_r0[2] << 16; buf1[2] = src_r0[2] >> 16 | src_r0[3] << 16; buf1[3] = src_r0[3] >> 16 | src_r1[0] << 16; break; case 15: buf0[3] = src_l0[3] | src_r0[0] << 24; buf1[0] = src_r0[0] >> 8 | src_r0[1] << 24; buf1[1] = src_r0[1] >> 8 | src_r0[2] << 24; buf1[2] = src_r0[2] >> 8 | src_r0[3] << 24; buf1[3] = src_r0[3] >> 8 | src_r1[0] << 24; break; case 16: buf1[0] = src_r0[0]; buf1[1] = src_r0[1]; buf1[2] = src_r0[2]; buf1[3] = src_r0[3]; break; case 17: buf1[0] = src_l1[0] | src_r0[0] << 8; buf1[1] = src_r0[0] >> 24 | src_r0[1] << 8; buf1[2] = src_r0[1] >> 24 | src_r0[2] << 8; buf1[3] = src_r0[2] >> 24 | src_r0[3] << 8; break; case 18: buf1[0] = src_l1[0] | src_r0[0] << 16; buf1[1] = src_r0[0] >> 16 | src_r0[1] << 16; buf1[2] = src_r0[1] >> 16 | src_r0[2] << 16; buf1[3] = src_r0[2] >> 16 | src_r0[3] << 16; break; case 19: buf1[0] = src_l1[0] | src_r0[0] << 24; buf1[1] = src_r0[0] >> 8 | src_r0[1] << 24; buf1[2] = src_r0[1] >> 8 | src_r0[2] << 24; buf1[3] = src_r0[2] >> 8 | src_r0[3] << 24; break; case 20: buf1[1] = src_r0[0]; buf1[2] = src_r0[1]; buf1[3] = src_r0[2]; break; case 21: buf1[1] = src_l1[1] | src_r0[0] << 8; buf1[2] = src_r0[0] >> 24 | src_r0[1] << 8; buf1[3] = src_r0[1] >> 24 | src_r0[2] << 8; break; case 22: buf1[1] = src_l1[1] | src_r0[0] << 16; buf1[2] = src_r0[0] >> 16 | src_r0[1] << 16; buf1[3] = src_r0[1] >> 16 | src_r0[2] << 16; break; case 23: buf1[1] = src_l1[1] | src_r0[0] << 24; buf1[2] = src_r0[0] >> 8 | src_r0[1] << 24; buf1[3] = src_r0[1] >> 8 | src_r0[2] << 24; break; case 24: buf1[2] = src_r0[0]; buf1[3] = src_r0[1]; break; case 25: buf1[2] = src_l1[2] | src_r0[0] << 8; buf1[3] = src_r0[0] >> 24 | src_r0[1] << 8; break; case 26: buf1[2] = src_l1[2] | src_r0[0] << 16; buf1[3] = src_r0[0] >> 16 | src_r0[1] << 16; break; case 27: buf1[2] = src_l1[2] | src_r0[0] << 24; buf1[3] = src_r0[0] >> 8 | src_r0[1] << 24; break; case 28: buf1[3] = src_r0[0]; break; case 29: buf1[3] = src_l1[3] | src_r0[0] << 8; break; case 30: buf1[3] = src_l1[3] | src_r0[0] << 16; break; case 31: buf1[3] = src_l1[3] | src_r0[0] << 24; break; } } static void reverse_block (u32 in0[4], u32 in1[4], u32 out0[4], u32 out1[4], const u32 len) { rshift_block_N (in0, in1, out0, out1, 32 - len); u32 tib40[4]; u32 tib41[4]; tib40[0] = out1[3]; tib40[1] = out1[2]; tib40[2] = out1[1]; tib40[3] = out1[0]; tib41[0] = out0[3]; tib41[1] = out0[2]; tib41[2] = out0[1]; tib41[3] = out0[0]; out0[0] = swap32_S (tib40[0]); out0[1] = swap32_S (tib40[1]); out0[2] = swap32_S (tib40[2]); out0[3] = swap32_S (tib40[3]); out1[0] = swap32_S (tib41[0]); out1[1] = swap32_S (tib41[1]); out1[2] = swap32_S (tib41[2]); out1[3] = swap32_S (tib41[3]); } static u32 rule_op_mangle_lrest (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { buf0[0] |= (generate_cmask (buf0[0])); buf0[1] |= (generate_cmask (buf0[1])); buf0[2] |= (generate_cmask (buf0[2])); buf0[3] |= (generate_cmask (buf0[3])); buf1[0] |= (generate_cmask (buf1[0])); buf1[1] |= (generate_cmask (buf1[1])); buf1[2] |= (generate_cmask (buf1[2])); buf1[3] |= (generate_cmask (buf1[3])); return in_len; } static u32 rule_op_mangle_urest (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { buf0[0] &= ~(generate_cmask (buf0[0])); buf0[1] &= ~(generate_cmask (buf0[1])); buf0[2] &= ~(generate_cmask (buf0[2])); buf0[3] &= ~(generate_cmask (buf0[3])); buf1[0] &= ~(generate_cmask (buf1[0])); buf1[1] &= ~(generate_cmask (buf1[1])); buf1[2] &= ~(generate_cmask (buf1[2])); buf1[3] &= ~(generate_cmask (buf1[3])); return in_len; } static u32 rule_op_mangle_lrest_ufirst (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { rule_op_mangle_lrest (p0, p1, buf0, buf1, in_len); buf0[0] &= ~(0x00000020 & generate_cmask (buf0[0])); return in_len; } static u32 rule_op_mangle_urest_lfirst (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { rule_op_mangle_urest (p0, p1, buf0, buf1, in_len); buf0[0] |= (0x00000020 & generate_cmask (buf0[0])); return in_len; } static u32 rule_op_mangle_trest (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { buf0[0] ^= (generate_cmask (buf0[0])); buf0[1] ^= (generate_cmask (buf0[1])); buf0[2] ^= (generate_cmask (buf0[2])); buf0[3] ^= (generate_cmask (buf0[3])); buf1[0] ^= (generate_cmask (buf1[0])); buf1[1] ^= (generate_cmask (buf1[1])); buf1[2] ^= (generate_cmask (buf1[2])); buf1[3] ^= (generate_cmask (buf1[3])); return in_len; } static u32 rule_op_mangle_toggle_at (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 tmp = 0x20u << ((p0 & 3) * 8); switch (p0 / 4) { case 0: buf0[0] ^= (tmp & generate_cmask (buf0[0])); break; case 1: buf0[1] ^= (tmp & generate_cmask (buf0[1])); break; case 2: buf0[2] ^= (tmp & generate_cmask (buf0[2])); break; case 3: buf0[3] ^= (tmp & generate_cmask (buf0[3])); break; case 4: buf1[0] ^= (tmp & generate_cmask (buf1[0])); break; case 5: buf1[1] ^= (tmp & generate_cmask (buf1[1])); break; case 6: buf1[2] ^= (tmp & generate_cmask (buf1[2])); break; case 7: buf1[3] ^= (tmp & generate_cmask (buf1[3])); break; } return in_len; } static u32 rule_op_mangle_reverse (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { reverse_block (buf0, buf1, buf0, buf1, in_len); return in_len; } static u32 rule_op_mangle_dupeword (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ((in_len + in_len) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; tib40[0] = buf0[0]; tib40[1] = buf0[1]; tib40[2] = buf0[2]; tib40[3] = buf0[3]; tib41[0] = buf1[0]; tib41[1] = buf1[1]; tib41[2] = buf1[2]; tib41[3] = buf1[3]; append_block8 (out_len, buf0, buf1, buf0, buf1, tib40, tib41); out_len += in_len; return out_len; } static u32 rule_op_mangle_dupeword_times (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (((in_len * p0) + in_len) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; tib40[0] = buf0[0]; tib40[1] = buf0[1]; tib40[2] = buf0[2]; tib40[3] = buf0[3]; tib41[0] = buf1[0]; tib41[1] = buf1[1]; tib41[2] = buf1[2]; tib41[3] = buf1[3]; for (u32 i = 0; i < p0; i++) { append_block8 (out_len, buf0, buf1, buf0, buf1, tib40, tib41); out_len += in_len; } return out_len; } static u32 rule_op_mangle_reflect (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ((in_len + in_len) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; reverse_block (buf0, buf1, tib40, tib41, out_len); append_block8 (out_len, buf0, buf1, buf0, buf1, tib40, tib41); out_len += in_len; return out_len; } static u32 rule_op_mangle_append (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ((in_len + 1) >= 32) return (in_len); u32 out_len = in_len; append_block1 (out_len, buf0, buf1, p0); out_len++; return out_len; } static u32 rule_op_mangle_prepend (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ((in_len + 1) >= 32) return (in_len); u32 out_len = in_len; rshift_block (buf0, buf1, buf0, buf1); buf0[0] = buf0[0] | p0; out_len++; return out_len; } static u32 rule_op_mangle_rotate_left (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (in_len == 0) return (in_len); const u32 in_len1 = in_len - 1; const u32 sh = (in_len1 & 3) * 8; const u32 tmp = (buf0[0] & 0xff) << sh; lshift_block (buf0, buf1, buf0, buf1); buf0[0] |= (in_len1 < 4) ? tmp : 0; buf0[1] |= ((in_len1 >= 4) && (in_len1 < 8)) ? tmp : 0; buf0[2] |= ((in_len1 >= 8) && (in_len1 < 12)) ? tmp : 0; buf0[3] |= ((in_len1 >= 12) && (in_len1 < 16)) ? tmp : 0; buf1[0] |= ((in_len1 >= 16) && (in_len1 < 20)) ? tmp : 0; buf1[1] |= ((in_len1 >= 20) && (in_len1 < 24)) ? tmp : 0; buf1[2] |= ((in_len1 >= 24) && (in_len1 < 28)) ? tmp : 0; buf1[3] |= (in_len1 >= 28) ? tmp : 0; return in_len; } static u32 rule_op_mangle_rotate_right (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, u32 buf0[4], u32 buf1[4], const u32 in_len) { if (in_len == 0) return (in_len); const u32 in_len1 = in_len - 1; const u32 sh = (in_len1 & 3) * 8; u32 tmp = 0; tmp |= (in_len1 < 4) ? buf0[0] : 0; tmp |= ((in_len1 >= 4) && (in_len1 < 8)) ? buf0[1] : 0; tmp |= ((in_len1 >= 8) && (in_len1 < 12)) ? buf0[2] : 0; tmp |= ((in_len1 >= 12) && (in_len1 < 16)) ? buf0[3] : 0; tmp |= ((in_len1 >= 16) && (in_len1 < 20)) ? buf1[0] : 0; tmp |= ((in_len1 >= 20) && (in_len1 < 24)) ? buf1[1] : 0; tmp |= ((in_len1 >= 24) && (in_len1 < 28)) ? buf1[2] : 0; tmp |= (in_len1 >= 28) ? buf1[3] : 0; tmp = (tmp >> sh) & 0xff; rshift_block (buf0, buf1, buf0, buf1); buf0[0] |= tmp; truncate_right (buf0, buf1, in_len); return in_len; } static u32 rule_op_mangle_delete_first (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (in_len == 0) return (in_len); const u32 in_len1 = in_len - 1; lshift_block (buf0, buf1, buf0, buf1); return in_len1; } static u32 rule_op_mangle_delete_last (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (in_len == 0) return (in_len); const u32 in_len1 = in_len - 1; const u32 mask = (1 << ((in_len1 & 3) * 8)) - 1; buf0[0] &= (in_len1 < 4) ? mask : 0xffffffff; buf0[1] &= ((in_len1 >= 4) && (in_len1 < 8)) ? mask : 0xffffffff; buf0[2] &= ((in_len1 >= 8) && (in_len1 < 12)) ? mask : 0xffffffff; buf0[3] &= ((in_len1 >= 12) && (in_len1 < 16)) ? mask : 0xffffffff; buf1[0] &= ((in_len1 >= 16) && (in_len1 < 20)) ? mask : 0xffffffff; buf1[1] &= ((in_len1 >= 20) && (in_len1 < 24)) ? mask : 0xffffffff; buf1[2] &= ((in_len1 >= 24) && (in_len1 < 28)) ? mask : 0xffffffff; buf1[3] &= (in_len1 >= 28) ? mask : 0xffffffff; return in_len1; } static u32 rule_op_mangle_delete_at (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; lshift_block (buf0, buf1, tib40, tib41); const u32 ml = (1u << ((p0 & 3) * 8)) - 1; const u32 mr = ~ml; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (tib40[0] & mr); buf0[1] = tib40[1]; buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 1: buf0[1] = (buf0[1] & ml) | (tib40[1] & mr); buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 2: buf0[2] = (buf0[2] & ml) | (tib40[2] & mr); buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 3: buf0[3] = (buf0[3] & ml) | (tib40[3] & mr); buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 4: buf1[0] = (buf1[0] & ml) | (tib41[0] & mr); buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 5: buf1[1] = (buf1[1] & ml) | (tib41[1] & mr); buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 6: buf1[2] = (buf1[2] & ml) | (tib41[2] & mr); buf1[3] = tib41[3]; break; case 7: buf1[3] = (buf1[3] & ml) | (tib41[3] & mr); break; } out_len--; return out_len; } static u32 rule_op_mangle_extract (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); if ((p0 + p1) > in_len) return (in_len); u32 out_len = p1; lshift_block_N (buf0, buf1, buf0, buf1, p0); truncate_right (buf0, buf1, out_len); return out_len; } static u32 rule_op_mangle_omit (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); if ((p0 + p1) > in_len) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; tib40[0] = 0; tib40[1] = 0; tib40[2] = 0; tib40[3] = 0; tib41[0] = 0; tib41[1] = 0; tib41[2] = 0; tib41[3] = 0; lshift_block_N (buf0, buf1, tib40, tib41, p1); const u32 ml = (1u << ((p0 & 3) * 8)) - 1; const u32 mr = ~ml; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (tib40[0] & mr); buf0[1] = tib40[1]; buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 1: buf0[1] = (buf0[1] & ml) | (tib40[1] & mr); buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 2: buf0[2] = (buf0[2] & ml) | (tib40[2] & mr); buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 3: buf0[3] = (buf0[3] & ml) | (tib40[3] & mr); buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 4: buf1[0] = (buf1[0] & ml) | (tib41[0] & mr); buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 5: buf1[1] = (buf1[1] & ml) | (tib41[1] & mr); buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 6: buf1[2] = (buf1[2] & ml) | (tib41[2] & mr); buf1[3] = tib41[3]; break; case 7: buf1[3] = (buf1[3] & ml) | (tib41[3] & mr); break; } out_len -= p1; return out_len; } static u32 rule_op_mangle_insert (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 > in_len) return (in_len); if ((in_len + 1) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; rshift_block (buf0, buf1, tib40, tib41); const u32 p1n = p1 << ((p0 & 3) * 8); const u32 ml = (1u << ((p0 & 3) * 8)) - 1; const u32 mr = 0xffffff00 << ((p0 & 3) * 8); switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | p1n | (tib40[0] & mr); buf0[1] = tib40[1]; buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 1: buf0[1] = (buf0[1] & ml) | p1n | (tib40[1] & mr); buf0[2] = tib40[2]; buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 2: buf0[2] = (buf0[2] & ml) | p1n | (tib40[2] & mr); buf0[3] = tib40[3]; buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 3: buf0[3] = (buf0[3] & ml) | p1n | (tib40[3] & mr); buf1[0] = tib41[0]; buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 4: buf1[0] = (buf1[0] & ml) | p1n | (tib41[0] & mr); buf1[1] = tib41[1]; buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 5: buf1[1] = (buf1[1] & ml) | p1n | (tib41[1] & mr); buf1[2] = tib41[2]; buf1[3] = tib41[3]; break; case 6: buf1[2] = (buf1[2] & ml) | p1n | (tib41[2] & mr); buf1[3] = tib41[3]; break; case 7: buf1[3] = (buf1[3] & ml) | p1n | (tib41[3] & mr); break; } out_len++; return out_len; } static u32 rule_op_mangle_overstrike (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 p1n = p1 << ((p0 & 3) * 8); const u32 m = ~(0xffu << ((p0 & 3) * 8)); switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & m) | p1n; break; case 1: buf0[1] = (buf0[1] & m) | p1n; break; case 2: buf0[2] = (buf0[2] & m) | p1n; break; case 3: buf0[3] = (buf0[3] & m) | p1n; break; case 4: buf1[0] = (buf1[0] & m) | p1n; break; case 5: buf1[1] = (buf1[1] & m) | p1n; break; case 6: buf1[2] = (buf1[2] & m) | p1n; break; case 7: buf1[3] = (buf1[3] & m) | p1n; break; } return in_len; } static u32 rule_op_mangle_truncate_at (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); truncate_right (buf0, buf1, p0); return p0; } static u32 rule_op_mangle_replace (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { for (u32 i = 0; i < in_len; i++) { switch (i) { case 0: if (((buf0[0] >> 0) & 0xFF) == p0) buf0[0] = (buf0[0] & 0xFFFFFF00) | p1 << 0; break; case 1: if (((buf0[0] >> 8) & 0xFF) == p0) buf0[0] = (buf0[0] & 0xFFFF00FF) | p1 << 8; break; case 2: if (((buf0[0] >> 16) & 0xFF) == p0) buf0[0] = (buf0[0] & 0xFF00FFFF) | p1 << 16; break; case 3: if (((buf0[0] >> 24) & 0xFF) == p0) buf0[0] = (buf0[0] & 0x00FFFFFF) | p1 << 24; break; case 4: if (((buf0[1] >> 0) & 0xFF) == p0) buf0[1] = (buf0[1] & 0xFFFFFF00) | p1 << 0; break; case 5: if (((buf0[1] >> 8) & 0xFF) == p0) buf0[1] = (buf0[1] & 0xFFFF00FF) | p1 << 8; break; case 6: if (((buf0[1] >> 16) & 0xFF) == p0) buf0[1] = (buf0[1] & 0xFF00FFFF) | p1 << 16; break; case 7: if (((buf0[1] >> 24) & 0xFF) == p0) buf0[1] = (buf0[1] & 0x00FFFFFF) | p1 << 24; break; case 8: if (((buf0[2] >> 0) & 0xFF) == p0) buf0[2] = (buf0[2] & 0xFFFFFF00) | p1 << 0; break; case 9: if (((buf0[2] >> 8) & 0xFF) == p0) buf0[2] = (buf0[2] & 0xFFFF00FF) | p1 << 8; break; case 10: if (((buf0[2] >> 16) & 0xFF) == p0) buf0[2] = (buf0[2] & 0xFF00FFFF) | p1 << 16; break; case 11: if (((buf0[2] >> 24) & 0xFF) == p0) buf0[2] = (buf0[2] & 0x00FFFFFF) | p1 << 24; break; case 12: if (((buf0[3] >> 0) & 0xFF) == p0) buf0[3] = (buf0[3] & 0xFFFFFF00) | p1 << 0; break; case 13: if (((buf0[3] >> 8) & 0xFF) == p0) buf0[3] = (buf0[3] & 0xFFFF00FF) | p1 << 8; break; case 14: if (((buf0[3] >> 16) & 0xFF) == p0) buf0[3] = (buf0[3] & 0xFF00FFFF) | p1 << 16; break; case 15: if (((buf0[3] >> 24) & 0xFF) == p0) buf0[3] = (buf0[3] & 0x00FFFFFF) | p1 << 24; break; case 16: if (((buf1[0] >> 0) & 0xFF) == p0) buf1[0] = (buf1[0] & 0xFFFFFF00) | p1 << 0; break; case 17: if (((buf1[0] >> 8) & 0xFF) == p0) buf1[0] = (buf1[0] & 0xFFFF00FF) | p1 << 8; break; case 18: if (((buf1[0] >> 16) & 0xFF) == p0) buf1[0] = (buf1[0] & 0xFF00FFFF) | p1 << 16; break; case 19: if (((buf1[0] >> 24) & 0xFF) == p0) buf1[0] = (buf1[0] & 0x00FFFFFF) | p1 << 24; break; case 20: if (((buf1[1] >> 0) & 0xFF) == p0) buf1[1] = (buf1[1] & 0xFFFFFF00) | p1 << 0; break; case 21: if (((buf1[1] >> 8) & 0xFF) == p0) buf1[1] = (buf1[1] & 0xFFFF00FF) | p1 << 8; break; case 22: if (((buf1[1] >> 16) & 0xFF) == p0) buf1[1] = (buf1[1] & 0xFF00FFFF) | p1 << 16; break; case 23: if (((buf1[1] >> 24) & 0xFF) == p0) buf1[1] = (buf1[1] & 0x00FFFFFF) | p1 << 24; break; case 24: if (((buf1[2] >> 0) & 0xFF) == p0) buf1[2] = (buf1[2] & 0xFFFFFF00) | p1 << 0; break; case 25: if (((buf1[2] >> 8) & 0xFF) == p0) buf1[2] = (buf1[2] & 0xFFFF00FF) | p1 << 8; break; case 26: if (((buf1[2] >> 16) & 0xFF) == p0) buf1[2] = (buf1[2] & 0xFF00FFFF) | p1 << 16; break; case 27: if (((buf1[2] >> 24) & 0xFF) == p0) buf1[2] = (buf1[2] & 0x00FFFFFF) | p1 << 24; break; case 28: if (((buf1[3] >> 0) & 0xFF) == p0) buf1[3] = (buf1[3] & 0xFFFFFF00) | p1 << 0; break; case 29: if (((buf1[3] >> 8) & 0xFF) == p0) buf1[3] = (buf1[3] & 0xFFFF00FF) | p1 << 8; break; case 30: if (((buf1[3] >> 16) & 0xFF) == p0) buf1[3] = (buf1[3] & 0xFF00FFFF) | p1 << 16; break; case 31: if (((buf1[3] >> 24) & 0xFF) == p0) buf1[3] = (buf1[3] & 0x00FFFFFF) | p1 << 24; break; } } return in_len; } static u32 rule_op_mangle_purgechar (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { u32 out_len = 0; u32 buf_in[8]; buf_in[0] = buf0[0]; buf_in[1] = buf0[1]; buf_in[2] = buf0[2]; buf_in[3] = buf0[3]; buf_in[4] = buf1[0]; buf_in[5] = buf1[1]; buf_in[6] = buf1[2]; buf_in[7] = buf1[3]; u32 buf_out[8] = { 0 }; u8 *in = (u8 *) buf_in; u8 *out = (u8 *) buf_out; for (u32 pos = 0; pos < in_len; pos++) { if (in[pos] == (u8) p0) continue; out[out_len] = in[pos]; out_len++; } buf0[0] = buf_out[0]; buf0[1] = buf_out[1]; buf0[2] = buf_out[2]; buf0[3] = buf_out[3]; buf1[0] = buf_out[4]; buf1[1] = buf_out[5]; buf1[2] = buf_out[6]; buf1[3] = buf_out[7]; return out_len; } /* static u32 rule_op_mangle_togglecase_rec (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { // TODO return in_len; } */ static u32 rule_op_mangle_dupechar_first (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ( in_len == 0) return (in_len); if ((in_len + p0) >= 32) return (in_len); u32 out_len = in_len; const u32 tmp = buf0[0] & 0xFF; rshift_block_N (buf0, buf1, buf0, buf1, p0); switch (p0) { case 1: buf0[0] |= tmp << 0; break; case 2: buf0[0] |= tmp << 0 | tmp << 8; break; case 3: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 4: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 5: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0; break; case 6: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8; break; case 7: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 8: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 9: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0; break; case 10: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8; break; case 11: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 12: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 13: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0; break; case 14: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8; break; case 15: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 16: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 17: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0; break; case 18: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8; break; case 19: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 20: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 21: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0; break; case 22: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8; break; case 23: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 24: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 25: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0; break; case 26: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8; break; case 27: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8 | tmp << 16; break; case 28: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; break; case 29: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[3] |= tmp << 0; break; case 30: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[3] |= tmp << 0 | tmp << 8; break; case 31: buf0[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf0[3] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[0] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[1] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[2] |= tmp << 0 | tmp << 8 | tmp << 16 | tmp << 24; buf1[3] |= tmp << 0 | tmp << 8 | tmp << 16; break; } out_len += p0; return out_len; } static u32 rule_op_mangle_dupechar_last (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ( in_len == 0) return (in_len); if ((in_len + p0) >= 32) return (in_len); const u32 in_len1 = in_len - 1; const u32 sh = (in_len1 & 3) * 8; u32 tmp = 0; switch (in_len1 / 4) { case 0: tmp = (buf0[0] >> sh) & 0xff; break; case 1: tmp = (buf0[1] >> sh) & 0xff; break; case 2: tmp = (buf0[2] >> sh) & 0xff; break; case 3: tmp = (buf0[3] >> sh) & 0xff; break; case 4: tmp = (buf1[0] >> sh) & 0xff; break; case 5: tmp = (buf1[1] >> sh) & 0xff; break; case 6: tmp = (buf1[2] >> sh) & 0xff; break; case 7: tmp = (buf1[3] >> sh) & 0xff; break; } u32 out_len = in_len; for (u32 i = 0; i < p0; i++) { append_block1 (out_len, buf0, buf1, tmp); out_len++; } return out_len; } static u32 rule_op_mangle_dupechar_all (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ( in_len == 0) return (in_len); if ((in_len + in_len) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; tib40[0] = ((buf0[0] & 0x000000FF) << 0) | ((buf0[0] & 0x0000FF00) << 8); tib40[1] = ((buf0[0] & 0x00FF0000) >> 16) | ((buf0[0] & 0xFF000000) >> 8); tib40[2] = ((buf0[1] & 0x000000FF) << 0) | ((buf0[1] & 0x0000FF00) << 8); tib40[3] = ((buf0[1] & 0x00FF0000) >> 16) | ((buf0[1] & 0xFF000000) >> 8); tib41[0] = ((buf0[2] & 0x000000FF) << 0) | ((buf0[2] & 0x0000FF00) << 8); tib41[1] = ((buf0[2] & 0x00FF0000) >> 16) | ((buf0[2] & 0xFF000000) >> 8); tib41[2] = ((buf0[3] & 0x000000FF) << 0) | ((buf0[3] & 0x0000FF00) << 8); tib41[3] = ((buf0[3] & 0x00FF0000) >> 16) | ((buf0[3] & 0xFF000000) >> 8); buf0[0] = tib40[0] | (tib40[0] << 8); buf0[1] = tib40[1] | (tib40[1] << 8); buf0[2] = tib40[2] | (tib40[2] << 8); buf0[3] = tib40[3] | (tib40[3] << 8); buf1[0] = tib41[0] | (tib41[0] << 8); buf1[1] = tib41[1] | (tib41[1] << 8); buf1[2] = tib41[2] | (tib41[2] << 8); buf1[3] = tib41[3] | (tib41[3] << 8); out_len = out_len + out_len; return out_len; } static u32 rule_op_mangle_switch_first (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (in_len < 2) return (in_len); buf0[0] = (buf0[0] & 0xFFFF0000) | ((buf0[0] << 8) & 0x0000FF00) | ((buf0[0] >> 8) & 0x000000FF); return in_len; } static u32 rule_op_mangle_switch_last (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (in_len < 2) return (in_len); switch (in_len) { case 2: buf0[0] = ((buf0[0] << 8) & 0x0000FF00) | ((buf0[0] >> 8) & 0x000000FF); break; case 3: buf0[0] = (buf0[0] & 0x000000FF) | ((buf0[0] << 8) & 0x00FF0000) | ((buf0[0] >> 8) & 0x0000FF00); break; case 4: buf0[0] = (buf0[0] & 0x0000FFFF) | ((buf0[0] << 8) & 0xFF000000) | ((buf0[0] >> 8) & 0x00FF0000); break; case 5: buf0[1] = (buf0[0] & 0xFF000000) | buf0[1]; buf0[0] = (buf0[0] & 0x00FFFFFF) | (buf0[1] << 24); buf0[1] = (buf0[1] >> 24); break; case 6: buf0[1] = ((buf0[1] << 8) & 0x0000FF00) | ((buf0[1] >> 8) & 0x000000FF); break; case 7: buf0[1] = (buf0[1] & 0x000000FF) | ((buf0[1] << 8) & 0x00FF0000) | ((buf0[1] >> 8) & 0x0000FF00); break; case 8: buf0[1] = (buf0[1] & 0x0000FFFF) | ((buf0[1] << 8) & 0xFF000000) | ((buf0[1] >> 8) & 0x00FF0000); break; case 9: buf0[2] = (buf0[1] & 0xFF000000) | buf0[2]; buf0[1] = (buf0[1] & 0x00FFFFFF) | (buf0[2] << 24); buf0[2] = (buf0[2] >> 24); break; case 10: buf0[2] = ((buf0[2] << 8) & 0x0000FF00) | ((buf0[2] >> 8) & 0x000000FF); break; case 11: buf0[2] = (buf0[2] & 0x000000FF) | ((buf0[2] << 8) & 0x00FF0000) | ((buf0[2] >> 8) & 0x0000FF00); break; case 12: buf0[2] = (buf0[2] & 0x0000FFFF) | ((buf0[2] << 8) & 0xFF000000) | ((buf0[2] >> 8) & 0x00FF0000); break; case 13: buf0[3] = (buf0[2] & 0xFF000000) | buf0[3]; buf0[2] = (buf0[2] & 0x00FFFFFF) | (buf0[3] << 24); buf0[3] = (buf0[3] >> 24); break; case 14: buf0[3] = ((buf0[3] << 8) & 0x0000FF00) | ((buf0[3] >> 8) & 0x000000FF); break; case 15: buf0[3] = (buf0[3] & 0x000000FF) | ((buf0[3] << 8) & 0x00FF0000) | ((buf0[3] >> 8) & 0x0000FF00); break; case 16: buf0[3] = (buf0[3] & 0x0000FFFF) | ((buf0[3] << 8) & 0xFF000000) | ((buf0[3] >> 8) & 0x00FF0000); break; case 17: buf1[0] = (buf0[3] & 0xFF000000) | buf1[0]; buf0[3] = (buf0[3] & 0x00FFFFFF) | (buf1[0] << 24); buf1[0] = (buf1[0] >> 24); break; case 18: buf1[0] = ((buf1[0] << 8) & 0x0000FF00) | ((buf1[0] >> 8) & 0x000000FF); break; case 19: buf1[0] = (buf1[0] & 0x000000FF) | ((buf1[0] << 8) & 0x00FF0000) | ((buf1[0] >> 8) & 0x0000FF00); break; case 20: buf1[0] = (buf1[0] & 0x0000FFFF) | ((buf1[0] << 8) & 0xFF000000) | ((buf1[0] >> 8) & 0x00FF0000); break; case 21: buf1[1] = (buf1[0] & 0xFF000000) | buf1[1]; buf1[0] = (buf1[0] & 0x00FFFFFF) | (buf1[1] << 24); buf1[1] = (buf1[1] >> 24); break; case 22: buf1[1] = ((buf1[1] << 8) & 0x0000FF00) | ((buf1[1] >> 8) & 0x000000FF); break; case 23: buf1[1] = (buf1[1] & 0x000000FF) | ((buf1[1] << 8) & 0x00FF0000) | ((buf1[1] >> 8) & 0x0000FF00); break; case 24: buf1[1] = (buf1[1] & 0x0000FFFF) | ((buf1[1] << 8) & 0xFF000000) | ((buf1[1] >> 8) & 0x00FF0000); break; case 25: buf1[2] = (buf1[1] & 0xFF000000) | buf1[2]; buf1[1] = (buf1[1] & 0x00FFFFFF) | (buf1[2] << 24); buf1[2] = (buf1[2] >> 24); break; case 26: buf1[2] = ((buf1[2] << 8) & 0x0000FF00) | ((buf1[2] >> 8) & 0x000000FF); break; case 27: buf1[2] = (buf1[2] & 0x000000FF) | ((buf1[2] << 8) & 0x00FF0000) | ((buf1[2] >> 8) & 0x0000FF00); break; case 28: buf1[2] = (buf1[2] & 0x0000FFFF) | ((buf1[2] << 8) & 0xFF000000) | ((buf1[2] >> 8) & 0x00FF0000); break; case 29: buf1[3] = (buf1[2] & 0xFF000000) | buf1[3]; buf1[2] = (buf1[2] & 0x00FFFFFF) | (buf1[3] << 24); buf1[3] = (buf1[3] >> 24); break; case 30: buf1[3] = ((buf1[3] << 8) & 0x0000FF00) | ((buf1[3] >> 8) & 0x000000FF); break; case 31: buf1[3] = (buf1[3] & 0x000000FF) | ((buf1[3] << 8) & 0x00FF0000) | ((buf1[3] >> 8) & 0x0000FF00); break; } return in_len; } static u32 rule_op_mangle_switch_at (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); if (p1 >= in_len) return (in_len); u32 tmp0 = 0; u32 tmp1 = 0; switch (p0) { case 0: tmp0 = (buf0[0] >> 0) & 0xFF; break; case 1: tmp0 = (buf0[0] >> 8) & 0xFF; break; case 2: tmp0 = (buf0[0] >> 16) & 0xFF; break; case 3: tmp0 = (buf0[0] >> 24) & 0xFF; break; case 4: tmp0 = (buf0[1] >> 0) & 0xFF; break; case 5: tmp0 = (buf0[1] >> 8) & 0xFF; break; case 6: tmp0 = (buf0[1] >> 16) & 0xFF; break; case 7: tmp0 = (buf0[1] >> 24) & 0xFF; break; case 8: tmp0 = (buf0[2] >> 0) & 0xFF; break; case 9: tmp0 = (buf0[2] >> 8) & 0xFF; break; case 10: tmp0 = (buf0[2] >> 16) & 0xFF; break; case 11: tmp0 = (buf0[2] >> 24) & 0xFF; break; case 12: tmp0 = (buf0[3] >> 0) & 0xFF; break; case 13: tmp0 = (buf0[3] >> 8) & 0xFF; break; case 14: tmp0 = (buf0[3] >> 16) & 0xFF; break; case 15: tmp0 = (buf0[3] >> 24) & 0xFF; break; case 16: tmp0 = (buf1[0] >> 0) & 0xFF; break; case 17: tmp0 = (buf1[0] >> 8) & 0xFF; break; case 18: tmp0 = (buf1[0] >> 16) & 0xFF; break; case 19: tmp0 = (buf1[0] >> 24) & 0xFF; break; case 20: tmp0 = (buf1[1] >> 0) & 0xFF; break; case 21: tmp0 = (buf1[1] >> 8) & 0xFF; break; case 22: tmp0 = (buf1[1] >> 16) & 0xFF; break; case 23: tmp0 = (buf1[1] >> 24) & 0xFF; break; case 24: tmp0 = (buf1[2] >> 0) & 0xFF; break; case 25: tmp0 = (buf1[2] >> 8) & 0xFF; break; case 26: tmp0 = (buf1[2] >> 16) & 0xFF; break; case 27: tmp0 = (buf1[2] >> 24) & 0xFF; break; case 28: tmp0 = (buf1[3] >> 0) & 0xFF; break; case 29: tmp0 = (buf1[3] >> 8) & 0xFF; break; case 30: tmp0 = (buf1[3] >> 16) & 0xFF; break; case 31: tmp0 = (buf1[3] >> 24) & 0xFF; break; } switch (p1) { case 0: tmp1 = (buf0[0] >> 0) & 0xff; buf0[0] = (buf0[0] & 0xffffff00) | tmp0 << 0; break; case 1: tmp1 = (buf0[0] >> 8) & 0xff; buf0[0] = (buf0[0] & 0xffff00ff) | tmp0 << 8; break; case 2: tmp1 = (buf0[0] >> 16) & 0xff; buf0[0] = (buf0[0] & 0xff00ffff) | tmp0 << 16; break; case 3: tmp1 = (buf0[0] >> 24) & 0xff; buf0[0] = (buf0[0] & 0x00ffffff) | tmp0 << 24; break; case 4: tmp1 = (buf0[1] >> 0) & 0xff; buf0[1] = (buf0[1] & 0xffffff00) | tmp0 << 0; break; case 5: tmp1 = (buf0[1] >> 8) & 0xff; buf0[1] = (buf0[1] & 0xffff00ff) | tmp0 << 8; break; case 6: tmp1 = (buf0[1] >> 16) & 0xff; buf0[1] = (buf0[1] & 0xff00ffff) | tmp0 << 16; break; case 7: tmp1 = (buf0[1] >> 24) & 0xff; buf0[1] = (buf0[1] & 0x00ffffff) | tmp0 << 24; break; case 8: tmp1 = (buf0[2] >> 0) & 0xff; buf0[2] = (buf0[2] & 0xffffff00) | tmp0 << 0; break; case 9: tmp1 = (buf0[2] >> 8) & 0xff; buf0[2] = (buf0[2] & 0xffff00ff) | tmp0 << 8; break; case 10: tmp1 = (buf0[2] >> 16) & 0xff; buf0[2] = (buf0[2] & 0xff00ffff) | tmp0 << 16; break; case 11: tmp1 = (buf0[2] >> 24) & 0xff; buf0[2] = (buf0[2] & 0x00ffffff) | tmp0 << 24; break; case 12: tmp1 = (buf0[3] >> 0) & 0xff; buf0[3] = (buf0[3] & 0xffffff00) | tmp0 << 0; break; case 13: tmp1 = (buf0[3] >> 8) & 0xff; buf0[3] = (buf0[3] & 0xffff00ff) | tmp0 << 8; break; case 14: tmp1 = (buf0[3] >> 16) & 0xff; buf0[3] = (buf0[3] & 0xff00ffff) | tmp0 << 16; break; case 15: tmp1 = (buf0[3] >> 24) & 0xff; buf0[3] = (buf0[3] & 0x00ffffff) | tmp0 << 24; break; case 16: tmp1 = (buf1[0] >> 0) & 0xff; buf1[0] = (buf1[0] & 0xffffff00) | tmp0 << 0; break; case 17: tmp1 = (buf1[0] >> 8) & 0xff; buf1[0] = (buf1[0] & 0xffff00ff) | tmp0 << 8; break; case 18: tmp1 = (buf1[0] >> 16) & 0xff; buf1[0] = (buf1[0] & 0xff00ffff) | tmp0 << 16; break; case 19: tmp1 = (buf1[0] >> 24) & 0xff; buf1[0] = (buf1[0] & 0x00ffffff) | tmp0 << 24; break; case 20: tmp1 = (buf1[1] >> 0) & 0xff; buf1[1] = (buf1[1] & 0xffffff00) | tmp0 << 0; break; case 21: tmp1 = (buf1[1] >> 8) & 0xff; buf1[1] = (buf1[1] & 0xffff00ff) | tmp0 << 8; break; case 22: tmp1 = (buf1[1] >> 16) & 0xff; buf1[1] = (buf1[1] & 0xff00ffff) | tmp0 << 16; break; case 23: tmp1 = (buf1[1] >> 24) & 0xff; buf1[1] = (buf1[1] & 0x00ffffff) | tmp0 << 24; break; case 24: tmp1 = (buf1[2] >> 0) & 0xff; buf1[2] = (buf1[2] & 0xffffff00) | tmp0 << 0; break; case 25: tmp1 = (buf1[2] >> 8) & 0xff; buf1[2] = (buf1[2] & 0xffff00ff) | tmp0 << 8; break; case 26: tmp1 = (buf1[2] >> 16) & 0xff; buf1[2] = (buf1[2] & 0xff00ffff) | tmp0 << 16; break; case 27: tmp1 = (buf1[2] >> 24) & 0xff; buf1[2] = (buf1[2] & 0x00ffffff) | tmp0 << 24; break; case 28: tmp1 = (buf1[3] >> 0) & 0xff; buf1[3] = (buf1[3] & 0xffffff00) | tmp0 << 0; break; case 29: tmp1 = (buf1[3] >> 8) & 0xff; buf1[3] = (buf1[3] & 0xffff00ff) | tmp0 << 8; break; case 30: tmp1 = (buf1[3] >> 16) & 0xff; buf1[3] = (buf1[3] & 0xff00ffff) | tmp0 << 16; break; case 31: tmp1 = (buf1[3] >> 24) & 0xff; buf1[3] = (buf1[3] & 0x00ffffff) | tmp0 << 24; break; } switch (p0) { case 0: buf0[0] = (buf0[0] & 0xffffff00) | tmp1 << 0; break; case 1: buf0[0] = (buf0[0] & 0xffff00ff) | tmp1 << 8; break; case 2: buf0[0] = (buf0[0] & 0xff00ffff) | tmp1 << 16; break; case 3: buf0[0] = (buf0[0] & 0x00ffffff) | tmp1 << 24; break; case 4: buf0[1] = (buf0[1] & 0xffffff00) | tmp1 << 0; break; case 5: buf0[1] = (buf0[1] & 0xffff00ff) | tmp1 << 8; break; case 6: buf0[1] = (buf0[1] & 0xff00ffff) | tmp1 << 16; break; case 7: buf0[1] = (buf0[1] & 0x00ffffff) | tmp1 << 24; break; case 8: buf0[2] = (buf0[2] & 0xffffff00) | tmp1 << 0; break; case 9: buf0[2] = (buf0[2] & 0xffff00ff) | tmp1 << 8; break; case 10: buf0[2] = (buf0[2] & 0xff00ffff) | tmp1 << 16; break; case 11: buf0[2] = (buf0[2] & 0x00ffffff) | tmp1 << 24; break; case 12: buf0[3] = (buf0[3] & 0xffffff00) | tmp1 << 0; break; case 13: buf0[3] = (buf0[3] & 0xffff00ff) | tmp1 << 8; break; case 14: buf0[3] = (buf0[3] & 0xff00ffff) | tmp1 << 16; break; case 15: buf0[3] = (buf0[3] & 0x00ffffff) | tmp1 << 24; break; case 16: buf1[0] = (buf1[0] & 0xffffff00) | tmp1 << 0; break; case 17: buf1[0] = (buf1[0] & 0xffff00ff) | tmp1 << 8; break; case 18: buf1[0] = (buf1[0] & 0xff00ffff) | tmp1 << 16; break; case 19: buf1[0] = (buf1[0] & 0x00ffffff) | tmp1 << 24; break; case 20: buf1[1] = (buf1[1] & 0xffffff00) | tmp1 << 0; break; case 21: buf1[1] = (buf1[1] & 0xffff00ff) | tmp1 << 8; break; case 22: buf1[1] = (buf1[1] & 0xff00ffff) | tmp1 << 16; break; case 23: buf1[1] = (buf1[1] & 0x00ffffff) | tmp1 << 24; break; case 24: buf1[2] = (buf1[2] & 0xffffff00) | tmp1 << 0; break; case 25: buf1[2] = (buf1[2] & 0xffff00ff) | tmp1 << 8; break; case 26: buf1[2] = (buf1[2] & 0xff00ffff) | tmp1 << 16; break; case 27: buf1[2] = (buf1[2] & 0x00ffffff) | tmp1 << 24; break; case 28: buf1[3] = (buf1[3] & 0xffffff00) | tmp1 << 0; break; case 29: buf1[3] = (buf1[3] & 0xffff00ff) | tmp1 << 8; break; case 30: buf1[3] = (buf1[3] & 0xff00ffff) | tmp1 << 16; break; case 31: buf1[3] = (buf1[3] & 0x00ffffff) | tmp1 << 24; break; } return in_len; } static u32 rule_op_mangle_chr_shiftl (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (((buf0[0] & mr) << 1) & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (((buf0[1] & mr) << 1) & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (((buf0[2] & mr) << 1) & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (((buf0[3] & mr) << 1) & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (((buf1[0] & mr) << 1) & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (((buf1[1] & mr) << 1) & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (((buf1[2] & mr) << 1) & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (((buf1[3] & mr) << 1) & mr); break; } return in_len; } static u32 rule_op_mangle_chr_shiftr (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (((buf0[0] & mr) >> 1) & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (((buf0[1] & mr) >> 1) & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (((buf0[2] & mr) >> 1) & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (((buf0[3] & mr) >> 1) & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (((buf1[0] & mr) >> 1) & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (((buf1[1] & mr) >> 1) & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (((buf1[2] & mr) >> 1) & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (((buf1[3] & mr) >> 1) & mr); break; } return in_len; } static u32 rule_op_mangle_chr_incr (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; const u32 n = 0x01010101 & mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (((buf0[0] & mr) + n) & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (((buf0[1] & mr) + n) & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (((buf0[2] & mr) + n) & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (((buf0[3] & mr) + n) & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (((buf1[0] & mr) + n) & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (((buf1[1] & mr) + n) & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (((buf1[2] & mr) + n) & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (((buf1[3] & mr) + n) & mr); break; } return in_len; } static u32 rule_op_mangle_chr_decr (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 >= in_len) return (in_len); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; const u32 n = 0x01010101 & mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (((buf0[0] & mr) - n) & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (((buf0[1] & mr) - n) & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (((buf0[2] & mr) - n) & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (((buf0[3] & mr) - n) & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (((buf1[0] & mr) - n) & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (((buf1[1] & mr) - n) & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (((buf1[2] & mr) - n) & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (((buf1[3] & mr) - n) & mr); break; } return in_len; } static u32 rule_op_mangle_replace_np1 (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if ((p0 + 1) >= in_len) return (in_len); u32 tib40[4]; u32 tib41[4]; lshift_block (buf0, buf1, tib40, tib41); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (tib40[0] & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (tib40[1] & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (tib40[2] & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (tib40[3] & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (tib41[0] & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (tib41[1] & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (tib41[2] & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (tib41[3] & mr); break; } return in_len; } static u32 rule_op_mangle_replace_nm1 (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 == 0) return (in_len); if (p0 >= in_len) return (in_len); u32 tib40[4]; u32 tib41[4]; rshift_block (buf0, buf1, tib40, tib41); const u32 mr = 0xffu << ((p0 & 3) * 8); const u32 ml = ~mr; switch (p0 / 4) { case 0: buf0[0] = (buf0[0] & ml) | (tib40[0] & mr); break; case 1: buf0[1] = (buf0[1] & ml) | (tib40[1] & mr); break; case 2: buf0[2] = (buf0[2] & ml) | (tib40[2] & mr); break; case 3: buf0[3] = (buf0[3] & ml) | (tib40[3] & mr); break; case 4: buf1[0] = (buf1[0] & ml) | (tib41[0] & mr); break; case 5: buf1[1] = (buf1[1] & ml) | (tib41[1] & mr); break; case 6: buf1[2] = (buf1[2] & ml) | (tib41[2] & mr); break; case 7: buf1[3] = (buf1[3] & ml) | (tib41[3] & mr); break; } return in_len; } static u32 rule_op_mangle_dupeblock_first (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 > in_len) return (in_len); if ((in_len + p0) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; tib40[0] = buf0[0]; tib40[1] = buf0[1]; tib40[2] = buf0[2]; tib40[3] = buf0[3]; tib41[0] = buf1[0]; tib41[1] = buf1[1]; tib41[2] = buf1[2]; tib41[3] = buf1[3]; truncate_right (tib40, tib41, p0); rshift_block_N (buf0, buf1, buf0, buf1, p0); buf0[0] |= tib40[0]; buf0[1] |= tib40[1]; buf0[2] |= tib40[2]; buf0[3] |= tib40[3]; buf1[0] |= tib41[0]; buf1[1] |= tib41[1]; buf1[2] |= tib41[2]; buf1[3] |= tib41[3]; out_len += p0; return out_len; } static u32 rule_op_mangle_dupeblock_last (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { if (p0 > in_len) return (in_len); if ((in_len + p0) >= 32) return (in_len); u32 out_len = in_len; u32 tib40[4]; u32 tib41[4]; rshift_block_N (buf0, buf1, tib40, tib41, p0); truncate_left (tib40, tib41, out_len); buf0[0] |= tib40[0]; buf0[1] |= tib40[1]; buf0[2] |= tib40[2]; buf0[3] |= tib40[3]; buf1[0] |= tib41[0]; buf1[1] |= tib41[1]; buf1[2] |= tib41[2]; buf1[3] |= tib41[3]; out_len += p0; return out_len; } static u32 rule_op_mangle_title (MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { buf0[0] |= (generate_cmask (buf0[0])); buf0[1] |= (generate_cmask (buf0[1])); buf0[2] |= (generate_cmask (buf0[2])); buf0[3] |= (generate_cmask (buf0[3])); buf1[0] |= (generate_cmask (buf1[0])); buf1[1] |= (generate_cmask (buf1[1])); buf1[2] |= (generate_cmask (buf1[2])); buf1[3] |= (generate_cmask (buf1[3])); buf0[0] &= ~(0x00000020 & generate_cmask (buf0[0])); for (u32 i = 0; i < in_len; i++) { u32 tmp0 = 0; u32 tmp1 = 0; switch (i) { case 0: tmp0 = (buf0[0] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf0[0])); break; case 1: tmp0 = (buf0[0] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf0[0])); break; case 2: tmp0 = (buf0[0] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf0[0])); break; case 3: tmp0 = (buf0[0] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf0[1])); break; case 4: tmp0 = (buf0[1] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf0[1])); break; case 5: tmp0 = (buf0[1] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf0[1])); break; case 6: tmp0 = (buf0[1] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf0[1])); break; case 7: tmp0 = (buf0[1] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf0[2])); break; case 8: tmp0 = (buf0[2] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf0[2])); break; case 9: tmp0 = (buf0[2] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf0[2])); break; case 10: tmp0 = (buf0[2] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf0[2])); break; case 11: tmp0 = (buf0[2] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf0[3])); break; case 12: tmp0 = (buf0[3] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf0[3])); break; case 13: tmp0 = (buf0[3] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf0[3])); break; case 14: tmp0 = (buf0[3] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf0[3])); break; case 15: tmp0 = (buf0[3] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf1[0])); break; case 16: tmp0 = (buf1[0] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf1[0])); break; case 17: tmp0 = (buf1[0] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf1[0])); break; case 18: tmp0 = (buf1[0] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf1[0])); break; case 19: tmp0 = (buf1[0] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf1[1])); break; case 20: tmp0 = (buf1[1] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf1[1])); break; case 21: tmp0 = (buf1[1] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf1[1])); break; case 22: tmp0 = (buf1[1] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf1[1])); break; case 23: tmp0 = (buf1[1] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf1[2])); break; case 24: tmp0 = (buf1[2] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf1[2])); break; case 25: tmp0 = (buf1[2] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf1[2])); break; case 26: tmp0 = (buf1[2] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf1[2])); break; case 27: tmp0 = (buf1[2] >> 24) & 0xFF; tmp1 = ~(0x00000020 & generate_cmask (buf1[3])); break; case 28: tmp0 = (buf1[3] >> 0) & 0xFF; tmp1 = ~(0x00002000 & generate_cmask (buf1[3])); break; case 29: tmp0 = (buf1[3] >> 8) & 0xFF; tmp1 = ~(0x00200000 & generate_cmask (buf1[3])); break; case 30: tmp0 = (buf1[3] >> 16) & 0xFF; tmp1 = ~(0x20000000 & generate_cmask (buf1[3])); break; } if (i < 3) { if (tmp0 == ' ') buf0[0] &= tmp1 ; } else if (i < 7) { if (tmp0 == ' ') buf0[1] &= tmp1 ; } else if (i < 11) { if (tmp0 == ' ') buf0[2] &= tmp1 ; } else if (i < 15) { if (tmp0 == ' ') buf0[3] &= tmp1 ; } else if (i < 19) { if (tmp0 == ' ') buf1[0] &= tmp1 ; } else if (i < 23) { if (tmp0 == ' ') buf1[1] &= tmp1 ; } else if (i < 27) { if (tmp0 == ' ') buf1[2] &= tmp1 ; } else if (i < 31) { if (tmp0 == ' ') buf1[3] &= tmp1 ; } } return in_len; } u32 apply_rule (const u32 name, MAYBE_UNUSED const u32 p0, MAYBE_UNUSED const u32 p1, MAYBE_UNUSED u32 buf0[4], MAYBE_UNUSED u32 buf1[4], const u32 in_len) { u32 out_len = in_len; switch (name) { case RULE_OP_MANGLE_LREST: out_len = rule_op_mangle_lrest (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_UREST: out_len = rule_op_mangle_urest (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_LREST_UFIRST: out_len = rule_op_mangle_lrest_ufirst (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_UREST_LFIRST: out_len = rule_op_mangle_urest_lfirst (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_TREST: out_len = rule_op_mangle_trest (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_TOGGLE_AT: out_len = rule_op_mangle_toggle_at (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_REVERSE: out_len = rule_op_mangle_reverse (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPEWORD: out_len = rule_op_mangle_dupeword (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPEWORD_TIMES: out_len = rule_op_mangle_dupeword_times (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_REFLECT: out_len = rule_op_mangle_reflect (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_APPEND: out_len = rule_op_mangle_append (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_PREPEND: out_len = rule_op_mangle_prepend (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_ROTATE_LEFT: out_len = rule_op_mangle_rotate_left (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_ROTATE_RIGHT: out_len = rule_op_mangle_rotate_right (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DELETE_FIRST: out_len = rule_op_mangle_delete_first (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DELETE_LAST: out_len = rule_op_mangle_delete_last (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DELETE_AT: out_len = rule_op_mangle_delete_at (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_EXTRACT: out_len = rule_op_mangle_extract (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_OMIT: out_len = rule_op_mangle_omit (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_INSERT: out_len = rule_op_mangle_insert (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_OVERSTRIKE: out_len = rule_op_mangle_overstrike (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_TRUNCATE_AT: out_len = rule_op_mangle_truncate_at (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_REPLACE: out_len = rule_op_mangle_replace (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_PURGECHAR: out_len = rule_op_mangle_purgechar (p0, p1, buf0, buf1, out_len); break; //case RULE_OP_MANGLE_TOGGLECASE_REC: out_len = rule_op_mangle_togglecase_rec (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPECHAR_FIRST: out_len = rule_op_mangle_dupechar_first (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPECHAR_LAST: out_len = rule_op_mangle_dupechar_last (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPECHAR_ALL: out_len = rule_op_mangle_dupechar_all (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_SWITCH_FIRST: out_len = rule_op_mangle_switch_first (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_SWITCH_LAST: out_len = rule_op_mangle_switch_last (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_SWITCH_AT: out_len = rule_op_mangle_switch_at (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_CHR_SHIFTL: out_len = rule_op_mangle_chr_shiftl (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_CHR_SHIFTR: out_len = rule_op_mangle_chr_shiftr (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_CHR_INCR: out_len = rule_op_mangle_chr_incr (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_CHR_DECR: out_len = rule_op_mangle_chr_decr (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_REPLACE_NP1: out_len = rule_op_mangle_replace_np1 (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_REPLACE_NM1: out_len = rule_op_mangle_replace_nm1 (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPEBLOCK_FIRST: out_len = rule_op_mangle_dupeblock_first (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_DUPEBLOCK_LAST: out_len = rule_op_mangle_dupeblock_last (p0, p1, buf0, buf1, out_len); break; case RULE_OP_MANGLE_TITLE: out_len = rule_op_mangle_title (p0, p1, buf0, buf1, out_len); break; } return out_len; } u32 apply_rules (u32 *cmds, u32 buf0[4] MAYBE_UNUSED, u32 buf1[4] MAYBE_UNUSED, const u32 len) { u32 out_len = len; for (u32 i = 0; cmds[i] != 0; i++) { const u32 cmd = cmds[i]; const u32 name = (cmd >> 0) & 0xff; const u32 p0 = (cmd >> 8) & 0xff; const u32 p1 = (cmd >> 16) & 0xff; out_len = apply_rule (name, p0, p1, buf0, buf1, out_len); } return out_len; }