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mirror of https://gitlab.com/apparmor/apparmor synced 2025-08-22 10:07:12 +00:00
apparmor/parser/af_unix.h
John Johansen d371458533 parser: make base classes for rules using prefixes and perms and use them
Cleanup the parse code by making shared prefix and perms classes for
rules and convert rules to use them.

Signed-off-by: John Johansen <john.johansen@canonical.com>
2023-03-31 02:17:26 -07:00

71 lines
2.0 KiB
C++

/*
* 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_AF_UNIX_H
#define __AA_AF_UNIX_H
#include "immunix.h"
#include "network.h"
#include "parser.h"
#include "profile.h"
#include "af_rule.h"
int parse_unix_perms(const char *str_mode, perms_t *perms, int fail);
class unix_rule: public af_rule {
void write_to_prot(std::ostringstream &buffer);
bool write_addr(std::ostringstream &buffer, const char *addr);
bool write_label(std::ostringstream &buffer, const char *label);
void move_conditionals(struct cond_entry *conds);
void move_peer_conditionals(struct cond_entry *conds);
void downgrade_rule(Profile &prof);
public:
char *addr;
char *peer_addr;
unix_rule(unsigned int type_p, audit_t audit_p, bool denied);
unix_rule(perms_t perms, struct cond_entry *conds,
struct cond_entry *peer_conds);
virtual ~unix_rule()
{
free(addr);
free(peer_addr);
};
virtual bool valid_prefix(prefixes &p, const char *&error) {
if (p.owner) {
error = "owner prefix not allowed on unix rules";
return false;
}
return true;
};
virtual bool has_peer_conds(void) {
return af_rule::has_peer_conds() || peer_addr;
}
virtual ostream &dump_local(ostream &os);
virtual ostream &dump_peer(ostream &os);
virtual int expand_variables(void);
virtual int gen_policy_re(Profile &prof);
virtual void post_process(Profile &prof unused) { };
protected:
virtual void warn_once(const char *name) override;
};
#endif /* __AA_AF_UNIX_H */