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Commit 64c86970 authored by John Johansen's avatar John Johansen
Browse files

apparmor: use macro template to simplify namespace seq_files 



Signed-off-by: default avatarJohn Johansen <john.johansen@canonical.com>
Reviewed-by: default avatarSeth Arnold <seth.arnold@canonical.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
parent 52b97de3

security/apparmor/apparmorfs.c

+24 −29
Original line number Diff line number Diff line
@@ -488,9 +488,27 @@ SEQ_PROFILE_FOPS(mode); 
SEQ_PROFILE_FOPS(attach);

SEQ_PROFILE_FOPS(hash);



/*

 * namespace based files

 *     several root files and

 *     policy/ *

 */



#define SEQ_NS_FOPS(NAME)						      \

static int seq_ns_ ##NAME ##_open(struct inode *inode, struct file *file)     \

{									      \

	return single_open(file, seq_ns_ ##NAME ##_show, inode->i_private);   \

}									      \

									      \

static const struct file_operations seq_ns_ ##NAME ##_fops = {	      \

	.owner		= THIS_MODULE,					      \

	.open		= seq_ns_ ##NAME ##_open,			      \

	.read		= seq_read,					      \

	.llseek		= seq_lseek,					      \

	.release	= single_release,				      \

}									      \



static int aa_fs_seq_show_ns_level(struct seq_file *seq, void *v)

static int seq_ns_level_show(struct seq_file *seq, void *v)

{

	struct aa_ns *ns = aa_current_profile()->ns;
@@ -499,20 +517,7 @@ static int aa_fs_seq_show_ns_level(struct seq_file *seq, void *v) 
	return 0;

}



static int aa_fs_seq_open_ns_level(struct inode *inode, struct file *file)

{

	return single_open(file, aa_fs_seq_show_ns_level, inode->i_private);

}



static const struct file_operations aa_fs_ns_level = {

	.owner		= THIS_MODULE,

	.open		= aa_fs_seq_open_ns_level,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



static int aa_fs_seq_show_ns_name(struct seq_file *seq, void *v)

static int seq_ns_name_show(struct seq_file *seq, void *v)

{

	struct aa_ns *ns = aa_current_profile()->ns;
@@ -521,18 +526,8 @@ static int aa_fs_seq_show_ns_name(struct seq_file *seq, void *v) 
	return 0;

}



static int aa_fs_seq_open_ns_name(struct inode *inode, struct file *file)

{

	return single_open(file, aa_fs_seq_show_ns_name, inode->i_private);

}



static const struct file_operations aa_fs_ns_name = {

	.owner		= THIS_MODULE,

	.open		= aa_fs_seq_open_ns_name,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

SEQ_NS_FOPS(level);

SEQ_NS_FOPS(name);





/* policy/raw_data/ * file ops */
@@ -1363,8 +1358,8 @@ static struct aa_fs_entry aa_fs_entry_features[] = { 


static struct aa_fs_entry aa_fs_entry_apparmor[] = {

	AA_FS_FILE_FOPS(".access", 0640, &aa_fs_access),

	AA_FS_FILE_FOPS(".ns_level", 0666, &aa_fs_ns_level),

	AA_FS_FILE_FOPS(".ns_name", 0640, &aa_fs_ns_name),

	AA_FS_FILE_FOPS(".ns_level", 0666, &seq_ns_level_fops),

	AA_FS_FILE_FOPS(".ns_name", 0640, &seq_ns_name_fops),

	AA_FS_FILE_FOPS("profiles", 0440, &aa_fs_profiles_fops),

	AA_FS_DIR("features", aa_fs_entry_features),

	{ }