/
bscript.c
1473 lines (1329 loc) · 37.4 KB
/
bscript.c
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/* Bvim - BVi IMproved, binary analysis framework
*
* Copyright 1996-2004 by Gerhard Buergmann <gerhard@puon.at>
* Copyright 2011 by Anton Kochkov <anton.kochkov@gmail.com>
*
* This file is part of Bvim.
*
* Bvim is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Bvim is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Bvim. If not, see <http://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
/* Include the Lua API header files. */
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include "bvim.h"
#include "set.h"
#include "bmath.h"
#include "keys.h"
#include "blocks.h"
#include "buffers.h"
#include "search.h"
#include "bscript.h"
#include "commands.h"
#include "ui.h"
#include "plugins.h"
lua_State *lstate;
/* !!!!! JUST TEMPORARY HACK !!!! */
extern core_t *coretmp;
extern struct MARKERS_ markers[MARK_COUNT];
extern WINDOW *tools_win;
/* -----------------------------------------------------------------------------
* Lua errors handling
* -----------------------------------------------------------------------------
*/
static int bvim_lua_error_handler(lua_State *L)
{
char* msg = NULL;
buf_t* buf = coretmp->curbuf;
if (buf->state.mode != BVI_MODE_REPL) {
msg = (char*)lua_tostring(L, 1);
if (msg != NULL)
bvim_error(coretmp, buf, msg);
else
bvim_error(coretmp, buf, "Unknown error");
} else {
msg = (char*)lua_tostring(L, 1);
if (msg != NULL)
ui__REPLWin_print(coretmp, buf, msg);
else
ui__REPLWin_print(coretmp, buf, "Unknown error");
}
return 0;
}
static int bvim_lua_error_raise(lua_State *L, char* fmt, ...)
{
char msg[1024];
va_list ap;
buf_t* buf = coretmp->curbuf;
msg[0] = '\0';
va_start(ap, fmt);
vsprintf(msg, fmt, ap);
va_end(ap);
/* Exits on luaL_error(), so disabled
if (state.mode != BVI_MODE_REPL) {
ui__ErrorMsg(msg);
} else {
luaL_error(L, "%s", msg);
}
*/
if (msg[0] != '\0')
bvim_error(coretmp, buf, msg);
return 0;
}
// TODO: Store errors in linked list
// TODO: Store lua output in linked list
/* Add new editor command, like :command */
/* lua: command_add(name, description, type, script) */
static int bvim_command_add(lua_State *L)
{
int handler_type = 0;
struct command new_cmd;
if (lua_gettop(L) == 4) {
new_cmd.id = 1;
new_cmd.name = (char *)lua_tostring(L, 1);
new_cmd.description = (char *)lua_tostring(L, 2);
new_cmd.enabled = 1;
handler_type = (int)lua_tonumber(L, 3);
if (handler_type == 2) {
new_cmd.handler_type = BVI_HANDLER_LUA;
new_cmd.handler.lua_cmd = (char *)lua_tostring(L, 4);
} else if (handler_type == 1) {
new_cmd.handler_type = BVI_HANDLER_SCRIPT;
new_cmd.handler.int_cmd = (char *)lua_tostring(L, 4);
}
new_cmd.size1 = strlen(new_cmd.name);
new_cmd.size2 = 2;
commands__Cmd_Add(coretmp, &new_cmd);
} else {
bvim_lua_error_raise(L, "Error in lua command_add function! Wrong format!");
}
return 0;
}
/* Remove editor command, like :command */
/* lua: command_del(name) */
static int bvim_command_del(lua_State *L)
{
char* name;
if (lua_gettop(L) == 1) {
name = (char *)lua_tostring(L, 1);
commands__Cmd_Del(coretmp, name);
} else {
bvim_lua_error_raise(L, "Error in lua command_del function! Wrong format!");
}
return 0;
}
/* -----------------------------------------------------------------------------
*/
/* Save current buffer into file */
/* lua: save(filename, [start, end, flags]) */
static int bvim_save(lua_State * L)
{
char *filename;
int flags = O_RDWR;
buf_t *buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
filename = (char*)lua_tostring(L, 1);
save(coretmp, buf, filename, flags);
} else if (n == 2) {
filename = (char*)lua_tostring(L, 1);
flags = (int)lua_tonumber(L, 2);
save(coretmp, buf, filename, flags);
}
return 0;
}
/* Load file into current buffer */
/* lua: load(filename, [mode]) */
static int bvim_load(lua_State * L)
{
char *filename;
int mode;
buf_t* buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
filename = (char *)lua_tostring(L, 1);
load(coretmp, buf, filename);
} else if (n == 2) {
filename = (char *)lua_tostring(L, 1);
mode = (int)lua_tonumber(L, 2);
if (mode == 1) {
addfile(coretmp, buf, filename);
} else {
load(coretmp, buf, filename);
}
}
return 0;
}
/* Get file path for current buffer */
static int bvim_file(lua_State * L)
{
char *filename = "dummy";
lua_pushstring(L, filename);
return 1;
}
/* Load plugin */
/* lua: plugin_load(filename) */
static int bvim_plugin_load(lua_State * L)
{
char *filename;
int n = lua_gettop(L);
if (n == 1) {
filename = (char *)lua_tostring(L, 1);
plugin__Load(coretmp, filename);
} else {
bvim_lua_error_raise(L, "Fail to load plugin - wrong format");
}
return 0;
}
// FIXME: Plugins list stub
static int bvim_plugin_list(lua_State *L)
{
return 0;
}
static int bvim_plugin_info(lua_State *L)
{
char* name;
char tmpstr[1024];
plugin_t* plg;
buf_t *buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
name = (char *)lua_tostring(L, 1);
plg = plugins__GetByName(coretmp, name);
if (plg != NULL) {
if (buf->state.mode == BVI_MODE_REPL) {
tmpstr[0] = '\0';
sprintf(tmpstr, "Name: %s", plg->name);
ui__REPLWin_print(coretmp, buf, tmpstr);
sprintf(tmpstr, "Author: %s", plg->author);
ui__REPLWin_print(coretmp, buf, tmpstr);
sprintf(tmpstr, "License: %s", plg->license);
ui__REPLWin_print(coretmp, buf, tmpstr);
sprintf(tmpstr, "Version: %d.%d", plg->version.major, plg->version.minor);
ui__REPLWin_print(coretmp, buf, tmpstr);
sprintf(tmpstr, "Description: %s", plg->description);
ui__REPLWin_print(coretmp, buf, tmpstr);
} else {
bvim_info(coretmp, buf, "%s %d.%d - %s", plg->name, plg->version.major, plg->version.minor, plg->description);
}
} else {
bvim_lua_error_raise(L, "Haven't such plugin");
}
} else {
bvim_lua_error_raise(L, "Wrong format of plugin_info function");
}
return 0;
}
/* TODO: add function , which returns list of all presented blocks */
/* Select block in the buffer */
/* lua: block_select(block_number, start, end, pattern) */
static int bvim_block_select(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
struct block_item tmp_blk;
if (lua_gettop(L) == 4) {
tmp_blk.id = (unsigned int)lua_tonumber(L, 1);
if (blocks__GetByID(buf, tmp_blk.id) == NULL) {
tmp_blk.pos_start = (unsigned long)lua_tonumber(L, 2);
tmp_blk.pos_end = (unsigned long)lua_tonumber(L, 3);
tmp_blk.palette = (unsigned int)lua_tonumber(L, 4);
tmp_blk.hl_toggle = 1;
blocks__Add(buf, tmp_blk);
ui__BlockHighlightAdd(&tmp_blk);
if (buf->state.mode != BVI_MODE_REPL)
ui__Screen_Repaint(coretmp, coretmp->curbuf);
} else {
bvim_lua_error_raise(L, "Wrong block ID! It already exist!");
}
} else {
bvim_lua_error_raise
(L, "Error in lua block_select function! Wrong format!");
}
return 0;
}
/* Fold block in the buffer */
/* lua: block_fold(block_number) */
static int bvim_block_fold(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
struct block_item *tmp_blk;
unsigned int id = 0;
if (lua_gettop(L) == 1) {
id = (int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if (tmp_blk != NULL) {
tmp_blk->folding = 1;
if (buf->state.mode != BVI_MODE_REPL)
ui__Screen_Repaint(coretmp, coretmp->curbuf);
} else {
bvim_lua_error_raise(L, "Wrong block number!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_fold function! Wrong format!");
}
return 0;
}
/* Read block in the buffer */
/* lua: block_read(block_id) */
static int bvim_block_read(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
struct block_item *tmp_blk;
unsigned int id = 0;
char *blck = NULL;
if (lua_gettop(L) == 1) {
id = (int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if (tmp_blk != NULL) {
if (tmp_blk->pos_end > tmp_blk->pos_start) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
lua_pushstring(L, blck);
} else {
bvim_lua_error_raise(L, "You need select valid block before read!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_read function! Wrong format!");
}
}
return 1;
}
/* AND bit operation on block */
/* lua: block_and(block_number, mask) */
static int bvim_block_and(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, AND, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise(L, "You need select valid block before and operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* OR bit operation on block */
/* lua: block_or(block_number, mask) */
static int bvim_block_or(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, OR, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before or operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* XOR bit operation on block */
/* lua: block_xor(block_number, mask) */
static int bvim_block_xor(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, XOR, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before xor operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* LSHIFT bit operation on block */
/* lua: block_lshift(block_number, count) */
static int bvim_block_lshift(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, LSHIFT, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before lshift operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* RSHIFT bit operation on block */
/* lua: block_rshift(block_number, count) */
static int bvim_block_rshift(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, RSHIFT, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before rshift operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* LROTATE bit operation on block */
/* lua: block_lrotate(block_number, count) */
static int bvim_block_lrotate(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, LROTATE, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before lrotate operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* RROTATE bit operation on block */
/* lua: block_rrotate(block_number, count) */
static int bvim_block_rrotate(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
if (lua_gettop(L) == 2) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
math__logic_block(coretmp, buf, RROTATE, (char *)lua_tostring(L, 2), id);
} else {
bvim_lua_error_raise
(L, "You need select valid block before rrotate operation!");
}
} else {
bvim_lua_error_raise(L, "Error in lua block_and function! Wrong format!");
}
return 0;
}
/* Calculate entropy of buffer */
/* lua: entropy(block_number) */
static int bvim_entropy(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
struct block_item *tmp_blk;
double entropy = 0;
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if (tmp_blk != NULL) {
entropy = math__entropy(coretmp, buf, id);
lua_pushnumber(L, entropy);
return 1;
}
} else {
bvim_lua_error_raise(L, "Argument must be block id!");
}
} else {
bvim_lua_error_raise(L, "Error in lua entropy function! Wrong format!");
}
return 0;
}
/* Calculate CRC16 checksum of buffer */
/* lua: crc16(block_number) */
/* lua: crc16("string") */
static int bvim_crc16(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
unsigned int crc = 0;
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
crc = crc16(blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, crc);
lua_pushnumber(L, crc);
return 1;
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
crc = crc16(blck, strlen(blck), crc);
lua_pushnumber(L, crc);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua crc16 function! Wrong format!");
}
return 0;
}
/* Calculate CRC32 checksum of buffer */
/* lua: crc32(block_number) */
/* lua: crc32("string") */
static int bvim_crc32(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
unsigned int crc = 0;
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
crc = crc32(blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, crc);
lua_pushnumber(L, crc);
return 1;
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
crc = crc32(blck, strlen(blck), crc);
lua_pushnumber(L, crc);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua crc32 function! Wrong format!");
}
return 0;
}
/* Calculate MD4 hash of buffer */
/* lua: md4_hash(block_number) */
/* lua: md4_hash("string") */
static int bvim_md4_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[65];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__md4_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise
(L, "You need select valid block before MD4 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__md4_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua md4_hash function! Wrong format!");
}
return 0;
}
/* Calculate MD5 hash of buffer */
/* lua: md5_hash(block_number) */
/* lua: md5_hash("string") */
static int bvim_md5_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[65];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__md5_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise
(L, "You need select valid block before MD5 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__md5_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua md5_hash function! Wrong format!");
}
return 0;
}
/* Calculate SHA1 hash of buffer */
/* lua: sha1_hash(block_number) */
/* lua: sha1_hash("string") */
static int bvim_sha1_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[65];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__sha1_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise
(L, "You need select valid block before SHA1 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__sha1_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua sha1_hash function! Wrong format!");
}
return 0;
}
/* Calculate SHA256 hash of buffer */
/* lua: sha256_hash(block_number) */
/* lua: sha256_hash("string") */
static int bvim_sha256_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[65];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__sha256_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise(L, "You need select valid block before SHA256 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__sha256_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise(L, "Error in lua sha256_hash function! Wrong format!");
}
return 0;
}
/* Calculate SHA512 hash of buffer */
/* lua: sha512_hash(block_number) */
/* lua: sha512_hash("string") */
static int bvim_sha512_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[129];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__sha512_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise
(L, "You need select valid block before SHA512 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__sha512_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise
(L, "Error in lua sha512_hash function! Wrong format!");
}
return 0;
}
/* Calculate RIPEMD160 hash of buffer */
/* lua: ripemd160_hash(block_number) */
/* lua: ripemd160_hash("string") */
static int bvim_ripemd160_hash(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
unsigned int id = 0;
char *blck = NULL;
struct block_item *tmp_blk;
char hash[65];
hash[0] = '\0';
if (lua_gettop(L) == 1) {
if (lua_type(L, 1) == LUA_TNUMBER) {
id = (unsigned int)lua_tonumber(L, 1);
tmp_blk = blocks__GetByID(buf, id);
if ((tmp_blk != NULL) & (tmp_blk->pos_end > tmp_blk->pos_start)) {
blck = (char *)malloc(tmp_blk->pos_end - tmp_blk->pos_start + 1);
memcpy(blck, buf->mem + tmp_blk->pos_start, tmp_blk->pos_end - tmp_blk->pos_start + 1);
math__ripemd160_hash_string((unsigned char *)blck, tmp_blk->pos_end - tmp_blk->pos_start + 1, hash);
lua_pushstring(L, hash);
return 1;
} else {
bvim_lua_error_raise
(L, "You need select valid block before RIPEMD160 hash calculation!");
}
} else if (lua_type(L, 1) == LUA_TSTRING) {
blck = (char *)malloc(strlen((char *)lua_tostring(L, 1)));
blck = (char *)lua_tostring(L, 1);
math__ripemd160_hash_string((unsigned char *)blck, strlen(blck), hash);
lua_pushstring(L, hash);
return 1;
}
} else {
bvim_lua_error_raise
(L, "Error in lua ripemd160_hash function! Wrong format!");
}
return 0;
}
/* Search byte sequence in the buffer */
/* Return address found */
/* lua: search_bytes(bytes) */
/* or search_bytes(bytes, return_all) where return_all = [0|1] */
static int bvim_search_bytes(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
PTR result;
PTR start_addr = NULL;
char *bytes;
int i = 0;
start_addr = buf->mem;
if (lua_gettop(L) == 1) {
bytes = (char *)lua_tostring(L, -1);
result = searching(coretmp, buf, '\\', bytes, start_addr, buf->maxpos - 1, FALSE | S_GLOBAL);
lua_pushnumber(L, (long)(result - buf->mem));
return 1;
} else if (lua_gettop(L) == 2) {
bytes = (char *)lua_tostring(L, 1);
result = start_addr;
if ((int)lua_tonumber(L, 2)) {
while (result < buf->maxpos) {
result = searching(coretmp, buf, '\\', bytes, start_addr, buf->maxpos - 1, FALSE | S_GLOBAL);
lua_pushnumber(L, (long)(result - buf->mem));
i++;
}
}
return i;
}
return 0;
}
/* Replace byte sequence to another in the buffer */
/* Return number of sustitutions */
/* lua: replace_bytes(original, target) */
static int bvim_replace_bytes(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
int result = 0;
PTR start_addr = NULL;
char *bytes;
char *target;
char bytesbuf[256];
bytesbuf[0] = '\0';
start_addr = buf->mem;
if (lua_gettop(L) == 2) {
bytes = (char *)lua_tostring(L, 1);
target = (char *)lua_tostring(L, 2);
sprintf(bytesbuf, "/%s/%s/", bytes, target);
result = do_substitution(coretmp, buf, '\\', bytesbuf, start_addr, buf->maxpos - 1);
lua_pushnumber(L, result);
}
return 1;
}
/* Execute bvim cmd */
/* lua: exec(command) */
static int bvim_exec(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
char *cmdline;
if (lua_gettop(L) != 0) {
cmdline = (char *)lua_tostring(L, -1);
docmdline(coretmp, buf, cmdline);
}
return 0;
}
/* Display error */
/* lua: display_error(message) */
static int bvim_display_error(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
char *message;
if (lua_gettop(L) != 0) {
message = (char *)lua_tostring(L, -1);
bvim_error(coretmp, buf, message);
}
return 0;
}
/* Display message in the status line */
/* lua: status_line_msg(message) */
static int bvim_status_line_msg(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
char *message;
if (lua_gettop(L) != 0) {
message = (char *)lua_tostring(L, -1);
bvim_info(coretmp, buf, message);
}
return 0;
}
/* Display message in the window */
/* lua: msg_window(message) */
static int bvim_msg_window(lua_State * L)
{
char *message;
int height, width;
buf_t *buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
message = (char *)lua_tostring(L, -1);
ui__MsgWin_Show(coretmp, buf, message, 3, strlen(message) + 4);
} else if (n == 3) {
message = (char *)lua_tostring(L, 1);
height = (int)lua_tonumber(L, 2);
width = (int)lua_tonumber(L, 3);
ui__MsgWin_Show(coretmp, buf, message, height, width);
}
return 0;
}
/* Display tools window */
/* lua: tools_window() */
static int bvim_tools_window(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
ui__ToolWin_Show(coretmp, buf, (int)lua_tonumber(L, -1));
}
return 0;
}
/* Display text in tools window */
/* lua: print_tools_window() */
static int bvim_print_tools_window(lua_State * L)
{
buf_t *buf = coretmp->curbuf;
int n = lua_gettop(L);
if (n == 1) {
ui__ToolWin_Print(coretmp, buf, (char *)lua_tostring(L, -1), 1);
} else if (n == 2) {
ui__ToolWin_Print(coretmp, buf, (char *)lua_tostring(L, 1), (int)lua_tonumber(L, 2));
}
return 0;
}
/* Print color line in the any place of window */
/* lua: print(x, y, palette, string) */
static int bvim_print(lua_State * L)
{
char *string;
unsigned int x, y, palette;
int n = lua_gettop(L);
if (n == 4) {
string = (char *)lua_tostring(L, 4);
x = (unsigned int)lua_tonumber(L, 1);
y = (unsigned int)lua_tonumber(L, 2);
palette = (unsigned int)lua_tonumber(L, 3);
if (palette > 16)
palette = 1;
printcolorline(x, y, palette, string);
} else {
bvim_lua_error_raise(L, "Wrong format of lua print() function!");
}
return 0;
}
/* Undo */
static int bvim_undo(lua_State * L)
{
buf_t *buf = coretmp->curbuf;