/* * AppArmor security module * * This file contains AppArmor basic global and lib definitions * * Copyright (C) 1998-2008 Novell/SUSE * Copyright 2009-2010 Canonical Ltd. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, version 2 of the * License. */ #ifndef __APPARMOR_H#define __APPARMOR_H #include <linux/slab.h>#include <linux/fs.h> #include "match.h" /* * Class of mediation types in the AppArmor policy db */#define AA_CLASS_ENTRY		0#define AA_CLASS_UNKNOWN	1#define AA_CLASS_FILE		2#define AA_CLASS_CAP		3#define AA_CLASS_NET		4#define AA_CLASS_RLIMITS	5#define AA_CLASS_DOMAIN		6 #define AA_CLASS_LAST		AA_CLASS_DOMAIN /* Control parameters settable through module/boot flags */extern enum audit_mode aa_g_audit;extern bool aa_g_audit_header;extern bool aa_g_debug;extern bool aa_g_lock_policy;extern bool aa_g_logsyscall;extern bool aa_g_paranoid_load;extern unsigned int aa_g_path_max; /* * DEBUG remains global (no per profile flag) since it is mostly used in sysctl * which is not related to profile accesses. */ #define AA_DEBUG(fmt, args...)						\	do {								\		if (aa_g_debug && printk_ratelimit())			\			printk(KERN_DEBUG "AppArmor: " fmt, ##args);	\	} while (0) #define AA_ERROR(fmt, args...)						\	do {								\		if (printk_ratelimit())					\			printk(KERN_ERR "AppArmor: " fmt, ##args);	\	} while (0) /* Flag indicating whether initialization completed */extern int apparmor_initialized __initdata; /* fn's in lib */char *aa_split_fqname(char *args, char **ns_name);void aa_info_message(const char *str);void *__aa_kvmalloc(size_t size, gfp_t flags);void kvfree(void *buffer); static inline void *kvmalloc(size_t size){	return __aa_kvmalloc(size, 0);} static inline void *kvzalloc(size_t size){	return __aa_kvmalloc(size, __GFP_ZERO);} /* returns 0 if kref not incremented */static inline int kref_get_not0(struct kref *kref){	return atomic_inc_not_zero(&kref->refcount);} /** * aa_strneq - compare null terminated @str to a non null terminated substring * @str: a null terminated string * @sub: a substring, not necessarily null terminated * @len: length of @sub to compare * * The @str string must be full consumed for this to be considered a match */static inline bool aa_strneq(const char *str, const char *sub, int len){	return !strncmp(str, sub, len) && !str[len];} /** * aa_dfa_null_transition - step to next state after null character * @dfa: the dfa to match against * @start: the state of the dfa to start matching in * * aa_dfa_null_transition transitions to the next state after a null * character which is not used in standard matching and is only * used to separate pairs. */static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa,						  unsigned int start){	/* the null transition only needs the string's null terminator byte */	return aa_dfa_next(dfa, start, 0);} static inline bool mediated_filesystem(struct inode *inode){	return !(inode->i_sb->s_flags & MS_NOUSER);} #endif /* __APPARMOR_H */