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Diffstat (limited to 'security/apparmor/include/apparmorfs.h')
| -rw-r--r-- | security/apparmor/include/apparmorfs.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/security/apparmor/include/apparmorfs.h b/security/apparmor/include/apparmorfs.h new file mode 100644 index 000000000..1e94904f6 --- /dev/null +++ b/security/apparmor/include/apparmorfs.h @@ -0,0 +1,134 @@ +/* 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_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 */ |