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/*
* Copyright (c) 2014
* 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.
*/
#ifndef __AA_SIGNAL_H
#define __AA_SIGNAL_H
#include "parser.h"
#include "rule.h"
#include "profile.h"
#define AA_MAY_SEND (1 << 1)
#define AA_MAY_RECEIVE (1 << 2)
#define AA_VALID_SIGNAL_PERMS (AA_MAY_SEND | AA_MAY_RECEIVE)
typedef set<int> Signals;
int find_signal_mapping(const char *sig);
int parse_signal_perms(const char *str_perms, perm32_t *perms, int fail);
class signal_rule: public perms_rule_t {
void extract_sigs(struct value_list **list);
void move_conditionals(struct cond_entry *conds);
public:
Signals signals;
char *peer_label;
signal_rule(perm32_t perms, struct cond_entry *conds);
virtual ~signal_rule() {
signals.clear();
free(peer_label);
};
virtual bool valid_prefix(const prefixes &p, const char *&error) {
if (p.owner != OWNER_UNSPECIFIED) {
error = "owner prefix not allowed on signal rules";
return false;
}
return true;
};
virtual ostream &dump(ostream &os);
virtual int expand_variables(void);
virtual int gen_policy_re(Profile &prof);
virtual bool is_mergeable(void) { return true; }
virtual int cmp(rule_t const &rhs) const;
protected:
virtual void warn_once(const char *name) override;
};
#endif /* __AA_SIGNAL_H */
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