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Commit efeee83a authored by John Johansen's avatar John Johansen
Browse files

apparmor: rename mediated_filesystem() to path_mediated_fs() 



Rename to indicate the test is only about whether path mediation is used,
not whether other types of mediation might be used.

Signed-off-by: default avatarJohn Johansen <john.johansen@canonical.com>
parent 680cd62e

security/apparmor/include/lib.h

+1 −1
Original line number Diff line number Diff line
@@ -111,7 +111,7 @@ static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa, 
	return aa_dfa_next(dfa, start, 0);

}



static inline bool mediated_filesystem(struct dentry *dentry)

static inline bool path_mediated_fs(struct dentry *dentry)

{

	return !(dentry->d_sb->s_flags & MS_NOUSER);

}

security/apparmor/lsm.c

+7 −7
Original line number Diff line number Diff line
@@ -195,7 +195,7 @@ static inline int common_perm_path(int op, const struct path *path, u32 mask) 
	struct path_cond cond = { d_backing_inode(path->dentry)->i_uid,

				  d_backing_inode(path->dentry)->i_mode

	};

	if (!mediated_filesystem(path->dentry))

	if (!path_mediated_fs(path->dentry))

		return 0;



	return common_perm(op, path, mask, &cond);
@@ -216,7 +216,7 @@ static int common_perm_rm(int op, const struct path *dir, 
	struct inode *inode = d_backing_inode(dentry);

	struct path_cond cond = { };



	if (!inode || !mediated_filesystem(dentry))

	if (!inode || !path_mediated_fs(dentry))

		return 0;



	cond.uid = inode->i_uid;
@@ -240,7 +240,7 @@ static int common_perm_create(int op, const struct path *dir, 
{

	struct path_cond cond = { current_fsuid(), mode };



	if (!mediated_filesystem(dir->dentry))

	if (!path_mediated_fs(dir->dentry))

		return 0;



	return common_perm_dir_dentry(op, dir, dentry, mask, &cond);
@@ -287,7 +287,7 @@ static int apparmor_path_link(struct dentry *old_dentry, const struct path *new_ 
	struct aa_profile *profile;

	int error = 0;



	if (!mediated_filesystem(old_dentry))

	if (!path_mediated_fs(old_dentry))

		return 0;



	profile = aa_current_profile();
@@ -302,7 +302,7 @@ static int apparmor_path_rename(const struct path *old_dir, struct dentry *old_d 
	struct aa_profile *profile;

	int error = 0;



	if (!mediated_filesystem(old_dentry))

	if (!path_mediated_fs(old_dentry))

		return 0;



	profile = aa_current_profile();
@@ -349,7 +349,7 @@ static int apparmor_file_open(struct file *file, const struct cred *cred) 
	struct aa_profile *profile;

	int error = 0;



	if (!mediated_filesystem(file->f_path.dentry))

	if (!path_mediated_fs(file->f_path.dentry))

		return 0;



	/* If in exec, permission is handled by bprm hooks.
@@ -402,7 +402,7 @@ static int common_file_perm(int op, struct file *file, u32 mask) 
	BUG_ON(!fprofile);



	if (!file->f_path.mnt ||

	    !mediated_filesystem(file->f_path.dentry))

	    !path_mediated_fs(file->f_path.dentry))

		return 0;



	profile = __aa_current_profile();