apparmor/parser/cond_expr.cc

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/*
* Copyright (c) 2024
* Canonical Ltd. (All rights reserved)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License published by the Free Software Foundation.
*
* This program 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 this program; if not, contact Novell, Inc. or Canonical
* Ltd.
*/
#include "cond_expr.h"
#include "parser.h"
cond_expr::cond_expr(bool result):
result(result)
{
}
cond_expr::cond_expr(const char *var, bool defined)
{
char *var_name = process_var(var);
if (!defined) {
int ret = get_boolean_var(var_name);
if (ret < 0) {
/* FIXME check for set var */
free(var_name);
yyerror(_("Unset boolean variable %s used in if-expression"), var);
}
result = ret;
} else {
void *set_value = get_set_var(var_name);
PDEBUG("Matched: defined set expr %s value %lx\n", var_name, (long) set_value);
result = !! (long) set_value;
}
free(var_name);
}