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Pass struct vfsmount to the inode_mkdir LSM hook
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Signed-off-by: Tony Jones <tonyj@suse.de>
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
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===================================================================
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@@ -1928,7 +1928,7 @@ int vfs_mkdir(struct inode *dir, struct
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mode &= (S_IRWXUGO|S_ISVTX);
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- error = security_inode_mkdir(dir, dentry, mode);
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+ error = security_inode_mkdir(dir, dentry, mnt, mode);
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Index: b/include/linux/security.h
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===================================================================
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--- a/include/linux/security.h
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+++ b/include/linux/security.h
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@@ -308,6 +308,7 @@ struct request_sock;
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* associated with inode strcture @dir.
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* @dir containst the inode structure of parent of the directory to be created.
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* @dentry contains the dentry structure of new directory.
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+ * @mnt is the vfsmount corresponding to @dentry (may be NULL).
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* @mode contains the mode of new directory.
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* Return 0 if permission is granted.
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@@ -1213,7 +1214,8 @@ struct security_operations {
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int (*inode_unlink) (struct inode *dir, struct dentry *dentry);
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int (*inode_symlink) (struct inode *dir,
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struct dentry *dentry, const char *old_name);
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- int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode);
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+ int (*inode_mkdir) (struct inode *dir, struct dentry *dentry,
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+ struct vfsmount *mnt, int mode);
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int (*inode_rmdir) (struct inode *dir, struct dentry *dentry);
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int (*inode_mknod) (struct inode *dir, struct dentry *dentry,
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@@ -1650,11 +1652,12 @@ static inline int security_inode_symlink
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static inline int security_inode_mkdir (struct inode *dir,
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struct dentry *dentry,
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+ struct vfsmount *mnt,
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if (unlikely (IS_PRIVATE (dir)))
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- return security_ops->inode_mkdir (dir, dentry, mode);
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+ return security_ops->inode_mkdir (dir, dentry, mnt, mode);
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static inline int security_inode_rmdir (struct inode *dir,
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@@ -2371,6 +2374,7 @@ static inline int security_inode_symlink
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static inline int security_inode_mkdir (struct inode *dir,
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struct dentry *dentry,
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+ struct vfsmount *mnt,
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Index: b/security/dummy.c
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===================================================================
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--- a/security/dummy.c
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+++ b/security/dummy.c
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@@ -288,7 +288,7 @@ static int dummy_inode_symlink (struct i
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static int dummy_inode_mkdir (struct inode *inode, struct dentry *dentry,
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+ struct vfsmount *mnt, int mask)
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Index: b/security/selinux/hooks.c
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===================================================================
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--- a/security/selinux/hooks.c
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+++ b/security/selinux/hooks.c
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@@ -2209,7 +2209,8 @@ static int selinux_inode_symlink(struct
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return may_create(dir, dentry, SECCLASS_LNK_FILE);
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-static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry, int mask)
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+static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry,
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+ struct vfsmount *mnt, int mask)
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return may_create(dir, dentry, SECCLASS_DIR);