LSM: split LSM_AUDIT_DATA_FS into _PATH and _INODE

The lsm common audit code has wacky contortions making sure which pieces
of information are set based on if it was given a path, dentry, or
inode.  Split this into path and inode to get rid of some of the code
complexity.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>

2 files changed, 20 insertions, 20 deletions

diff --git a/security/smack/smack.h b/security/smack/smack.h
index b449cfdad21..a16925c0e91 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -316,22 +316,22 @@ static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
 static inline void smk_ad_setfield_u_fs_path_dentry(struct smk_audit_info *a,
 						    struct dentry *d)
 {
-	a->a.u.fs.path.dentry = d;
+	a->a.u.path.dentry = d;
 }
 static inline void smk_ad_setfield_u_fs_path_mnt(struct smk_audit_info *a,
 						 struct vfsmount *m)
 {
-	a->a.u.fs.path.mnt = m;
+	a->a.u.path.mnt = m;
 }
 static inline void smk_ad_setfield_u_fs_inode(struct smk_audit_info *a,
 					      struct inode *i)
 {
-	a->a.u.fs.inode = i;
+	a->a.u.inode = i;
 }
 static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
 					     struct path p)
 {
-	a->a.u.fs.path = p;
+	a->a.u.path = p;
 }
 static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
 					    struct sock *sk)
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 42fcb47747a..eeb393fbf92 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -383,7 +383,7 @@ static int smack_sb_statfs(struct dentry *dentry)
 	int rc;
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	rc = smk_curacc(sbp->smk_floor, MAY_READ, &ad);
@@ -407,7 +407,7 @@ static int smack_sb_mount(char *dev_name, struct path *path,
 	struct superblock_smack *sbp = path->mnt->mnt_sb->s_security;
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path(&ad, *path);
 
 	return smk_curacc(sbp->smk_floor, MAY_WRITE, &ad);
@@ -426,7 +426,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags)
 	struct superblock_smack *sbp;
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, mnt->mnt_root);
 	smk_ad_setfield_u_fs_path_mnt(&ad, mnt);
 
@@ -563,7 +563,7 @@ static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
 	struct smk_audit_info ad;
 	int rc;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
 
 	isp = smk_of_inode(old_dentry->d_inode);
@@ -592,7 +592,7 @@ static int smack_inode_unlink(struct inode *dir, struct dentry *dentry)
 	struct smk_audit_info ad;
 	int rc;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	/*
@@ -623,7 +623,7 @@ static int smack_inode_rmdir(struct inode *dir, struct dentry *dentry)
 	struct smk_audit_info ad;
 	int rc;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	/*
@@ -663,7 +663,7 @@ static int smack_inode_rename(struct inode *old_inode,
 	char *isp;
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
 
 	isp = smk_of_inode(old_dentry->d_inode);
@@ -700,7 +700,7 @@ static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
 	/* May be droppable after audit */
 	if (flags & IPERM_FLAG_RCU)
 		return -ECHILD;
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_INODE);
 	smk_ad_setfield_u_fs_inode(&ad, inode);
 	return smk_curacc(smk_of_inode(inode), mask, &ad);
 }
@@ -720,7 +720,7 @@ static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 	 */
 	if (iattr->ia_valid & ATTR_FORCE)
 		return 0;
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
@@ -737,7 +737,7 @@ static int smack_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 {
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 	smk_ad_setfield_u_fs_path_mnt(&ad, mnt);
 	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ, &ad);
@@ -784,7 +784,7 @@ static int smack_inode_setxattr(struct dentry *dentry, const char *name,
 	} else
 		rc = cap_inode_setxattr(dentry, name, value, size, flags);
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	if (rc == 0)
@@ -845,7 +845,7 @@ static int smack_inode_getxattr(struct dentry *dentry, const char *name)
 {
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
 	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ, &ad);
@@ -877,7 +877,7 @@ static int smack_inode_removexattr(struct dentry *dentry, const char *name)
 	} else
 		rc = cap_inode_removexattr(dentry, name);
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 	if (rc == 0)
 		rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
@@ -1047,7 +1047,7 @@ static int smack_file_ioctl(struct file *file, unsigned int cmd,
 	int rc = 0;
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path(&ad, file->f_path);
 
 	if (_IOC_DIR(cmd) & _IOC_WRITE)
@@ -1070,7 +1070,7 @@ static int smack_file_lock(struct file *file, unsigned int cmd)
 {
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path_dentry(&ad, file->f_path.dentry);
 	return smk_curacc(file->f_security, MAY_WRITE, &ad);
 }
@@ -1089,7 +1089,7 @@ static int smack_file_fcntl(struct file *file, unsigned int cmd,
 	struct smk_audit_info ad;
 	int rc;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
 	smk_ad_setfield_u_fs_path(&ad, file->f_path);
 
 	switch (cmd) {