bool idaapi reconstruct_type(void *ud)
{
vdui_t &vu = *(vdui_t *)ud;
// Determine the ctree item to highlight
vu.get_current_item(USE_KEYBOARD);
citem_t *highlight = vu.item.is_citem() ? vu.item.e : NULL;
// highlight == NULL might happen if one chooses variable at local variables declaration statement
if(highlight != NULL)
{
// the chosen item must be an expression and of 'variable' type
if(highlight->is_expr() && (highlight->op == cot_var))
{
cexpr_t *highl_expr = (cexpr_t *)highlight;
// initialize type rebuilder
type_builder_t type_bldr;
type_bldr.highl_expr = highl_expr;
highl_expr->print1(type_bldr.highl_expr_name, MAXSTR, NULL);
tag_remove(type_bldr.highl_expr_name, type_bldr.highl_expr_name, 0);
// traverse the ctree structure
type_bldr.apply_to(&vu.cfunc->body, NULL);
tid_t struct_type_id = type_bldr.get_structure(NULL);
if(struct_type_id != 0 || struct_type_id != -1)
{
qstring struct_name;
struct_name = get_struc_name(struct_type_id);
va_list va;
va_end(va);
char * type_name = vaskstr(0, struct_name.c_str(), "Enter type name", va);
if(type_name != NULL)
{
set_struc_name(struct_type_id, type_name);
// get the structure description
char buffr[MAXSTR*10];
type_bldr.get_structure(type_name, buffr, sizeof(buffr));
msg("%s", buffr);
}
}
}
}
else
{
msg("Invalid item is choosen");
}
return true;
}
bool idaapi extract_all_ctrees(void *ud)
{
// default prefix to display in the dialog
qstring default_prefix = "crypto_";
va_list va;
va_end(va);
char * crypto_prefix = vaskstr(0, default_prefix.c_str(), "Enter prefix of crypto function names", va);
if((crypto_prefix != NULL) && (strlen(crypto_prefix) > 0)) {
qstring qcrypt_prefix = crypto_prefix;
dump_funcs_ctree(NULL, qcrypt_prefix);
} else {
warning("Incorrect prefix!!");
}
return true;
}
bool idaapi reconstruct_type(void *ud)
{
vdui_t &vu = *(vdui_t *)ud;
// Determine the ctree item to highlight
vu.get_current_item(USE_KEYBOARD);
citem_t *highlight = vu.item.is_citem() ? vu.item.e : NULL;
// highlight == NULL might happen if one chooses variable at local variables declaration statement
if(highlight != NULL)
{
// the chosen item must be an expression and of 'variable' type
if(highlight->is_expr() && (highlight->op == cot_var))
{
cexpr_t *highl_expr = (cexpr_t *)highlight;
// initialize type rebuilder
type_builder_t type_bldr;
type_bldr.highl_expr = highl_expr;
char highl_expr_name[MAXSTR];
highl_expr->print1(highl_expr_name, MAXSTR, NULL);
tag_remove(highl_expr_name, highl_expr_name, 0);
type_bldr.expression_to_match.push_back(highl_expr_name);
// traverse the ctree structure
type_bldr.apply_to(&vu.cfunc->body, NULL);
if (type_bldr.structure.size() != 0) {
qstring struct_name = "struct_name";
va_list va;
va_end(va);
// ask a user for the new type name
char * type_name = vaskstr(0, struct_name.c_str(), "Enter type name", va);
if(type_name != NULL) {
// add type to the idb
tid_t struct_type_id = type_bldr.get_structure(type_name);
if(struct_type_id != 0 || struct_type_id != -1) {
// print new type definition
tinfo_t new_type = create_typedef(type_name);
if(new_type.is_correct()) {
qstring type_str;
qstring pref = "New type created:\r\n";
if (new_type.print(&type_str, NULL, PRTYPE_DEF | PRTYPE_MULTI))
msg((pref + type_str).c_str());
// update type of the highlighted expression in the decompiler window
lvar_t * lvar = vu.item.get_lvar();
vu.set_lvar_type(lvar, make_pointer(new_type));
vu.refresh_ctext();
}
}
}
} else {
warning("Failed to reconstruct type, no field references have been found...");
}
}
}
else
{
msg("Invalid item is choosen");
}
return true;
}