Files
Georgia Garcia f4995e4a87 UBUNTU: SAUCE: Revert "UBUNTU: SAUCE: apparmor4.0.0 [67/90]: userns - add the ability to reference a global variable for a feature value"
BugLink: https://bugs.launchpad.net/bugs/2095370

This reverts commit 8bd4ee319a.

This commit also makes userns and io_uring restriction feature file
contents static to indicate it is available in the kernel. This is
necessary because if the values change, then the kernel features hash
used by AppArmor would also change, causing pre-compiled policies to
not load as expected.

Signed-off-by: Georgia Garcia <georgia.garcia@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Mehmet Basaran <mehmet.basaran@canonical.com>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
2025-02-14 15:53:21 +03:00

136 lines
3.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AppArmor security module
*
* This file contains AppArmor filesystem definitions.
*
* Copyright (C) 1998-2008 Novell/SUSE
* Copyright 2009-2010 Canonical Ltd.
*/
#ifndef __AA_APPARMORFS_H
#define __AA_APPARMORFS_H
extern struct path aa_null;
enum aa_sfs_type {
AA_SFS_TYPE_BOOLEAN,
AA_SFS_TYPE_STRING,
AA_SFS_TYPE_U64,
AA_SFS_TYPE_FOPS,
AA_SFS_TYPE_DIR,
};
struct aa_sfs_entry;
struct aa_sfs_entry {
const char *name;
struct dentry *dentry;
umode_t mode;
enum aa_sfs_type v_type;
union {
bool boolean;
char *string;
unsigned long u64;
struct aa_sfs_entry *files;
} v;
const struct file_operations *file_ops;
};
extern const struct file_operations aa_sfs_seq_file_ops;
#define AA_SFS_FILE_BOOLEAN(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_SFS_TYPE_BOOLEAN, .v.boolean = (_value), \
.file_ops = &aa_sfs_seq_file_ops }
#define AA_SFS_FILE_STRING(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_SFS_TYPE_STRING, .v.string = (_value), \
.file_ops = &aa_sfs_seq_file_ops }
#define AA_SFS_FILE_U64(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_SFS_TYPE_U64, .v.u64 = (_value), \
.file_ops = &aa_sfs_seq_file_ops }
#define AA_SFS_FILE_FOPS(_name, _mode, _fops) \
{ .name = (_name), .v_type = AA_SFS_TYPE_FOPS, \
.mode = (_mode), .file_ops = (_fops) }
#define AA_SFS_DIR(_name, _value) \
{ .name = (_name), .v_type = AA_SFS_TYPE_DIR, .v.files = (_value) }
extern void __init aa_destroy_aafs(void);
struct aa_profile;
struct aa_ns;
enum aafs_ns_type {
AAFS_NS_DIR,
AAFS_NS_PROFS,
AAFS_NS_NS,
AAFS_NS_RAW_DATA,
AAFS_NS_LOAD,
AAFS_NS_REPLACE,
AAFS_NS_REMOVE,
AAFS_NS_REVISION,
AAFS_NS_COUNT,
AAFS_NS_MAX_COUNT,
AAFS_NS_SIZE,
AAFS_NS_MAX_SIZE,
AAFS_NS_OWNER,
AAFS_NS_SIZEOF,
};
enum aafs_prof_type {
AAFS_PROF_DIR,
AAFS_PROF_PROFS,
AAFS_PROF_NAME,
AAFS_PROF_MODE,
AAFS_PROF_ATTACH,
AAFS_PROF_HASH,
AAFS_PROF_RAW_DATA,
AAFS_PROF_RAW_HASH,
AAFS_PROF_RAW_ABI,
AAFS_PROF_LEARNING_COUNT,
AAFS_PROF_SIZEOF,
};
#define ns_dir(X) ((X)->dents[AAFS_NS_DIR])
#define ns_subns_dir(X) ((X)->dents[AAFS_NS_NS])
#define ns_subprofs_dir(X) ((X)->dents[AAFS_NS_PROFS])
#define ns_subdata_dir(X) ((X)->dents[AAFS_NS_RAW_DATA])
#define ns_subload(X) ((X)->dents[AAFS_NS_LOAD])
#define ns_subreplace(X) ((X)->dents[AAFS_NS_REPLACE])
#define ns_subremove(X) ((X)->dents[AAFS_NS_REMOVE])
#define ns_subrevision(X) ((X)->dents[AAFS_NS_REVISION])
#define prof_dir(X) ((X)->dents[AAFS_PROF_DIR])
#define prof_child_dir(X) ((X)->dents[AAFS_PROF_PROFS])
void __aa_bump_ns_revision(struct aa_ns *ns);
void __aafs_profile_rmdir(struct aa_profile *profile);
void __aafs_profile_migrate_dents(struct aa_profile *old,
struct aa_profile *new);
int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent);
void __aafs_ns_rmdir(struct aa_ns *ns);
int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name,
struct dentry *dent);
struct aa_loaddata;
#ifdef CONFIG_SECURITY_APPARMOR_EXPORT_BINARY
void __aa_fs_remove_rawdata(struct aa_loaddata *rawdata);
int __aa_fs_create_rawdata(struct aa_ns *ns, struct aa_loaddata *rawdata);
#else
static inline void __aa_fs_remove_rawdata(struct aa_loaddata *rawdata)
{
/* empty stub */
}
static inline int __aa_fs_create_rawdata(struct aa_ns *ns,
struct aa_loaddata *rawdata)
{
return 0;
}
#endif /* CONFIG_SECURITY_APPARMOR_EXPORT_BINARY */
#endif /* __AA_APPARMORFS_H */