PERFORCE change 22501 for review

[Robert Watson]

http://perforce.freebsd.org/chv.cgi?CH=22501

Change 22501 by rwatson at rwatson_paprika on 2002/12/18 19:25:20

	Implement ACL system calls for symlinks; mostly just wrapping.

Affected files ...

.. //depot/projects/trustedbsd/acl/sys/kern/kern_acl.c#2 edit

Differences ...

==== //depot/projects/trustedbsd/acl/sys/kern/kern_acl.c#2 (text+ko) ====

@@ -700,6 +700,28 @@
 }
 
 /*
+ * Given a file path, get an ACL for it; don't follow links.
+ *
+ * MPSAFE
+ */
+int
+__acl_get_link(struct thread *td, struct __acl_get_link_args *uap)
+{
+	struct nameidata nd;
+	int error;
+
+	mtx_lock(&Giant);
+	NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td);
+	error = namei(&nd);
+	if (error == 0) {
+		error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp);
+		NDFREE(&nd, 0);
+	}
+	mtx_unlock(&Giant);
+	return (error);
+}
+
+/*
  * Given a file path, set an ACL for it
  *
  * MPSAFE
@@ -722,6 +744,28 @@
 }
 
 /*
+ * Given a file path, set an ACL for it; don't follow links.
+ *
+ * MPSAFE
+ */
+int
+__acl_set_link(struct thread *td, struct __acl_set_link_args *uap)
+{
+	struct nameidata nd;
+	int error;
+
+	mtx_lock(&Giant);
+	NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td);
+	error = namei(&nd);
+	if (error == 0) {
+		error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp);
+		NDFREE(&nd, 0);
+	}
+	mtx_unlock(&Giant);
+	return (error);
+}
+
+/*
  * Given a file descriptor, get an ACL for it
  *
  * MPSAFE
@@ -788,6 +832,28 @@
 }
 
 /*
+ * Given a file path, delete an ACL from it; don't follow links.
+ *
+ * MPSAFE
+ */
+int
+__acl_delete_link(struct thread *td, struct __acl_delete_link_args *uap)
+{
+	struct nameidata nd;
+	int error;
+
+	mtx_lock(&Giant);
+	NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td);
+	error = namei(&nd);
+	if (error == 0) {
+		error = vacl_delete(td, nd.ni_vp, uap->type);
+		NDFREE(&nd, 0);
+	}
+	mtx_unlock(&Giant);
+	return (error);
+}
+
+/*
  * Given a file path, delete an ACL from it.
  *
  * MPSAFE
@@ -832,6 +898,28 @@
 }
 
 /*
+ * Given a file path, check an ACL for it; don't follow links.
+ *
+ * MPSAFE
+ */
+int
+__acl_aclcheck_link(struct thread *td, struct __acl_aclcheck_link_args *uap)
+{
+	struct nameidata	nd;
+	int	error;
+
+	mtx_lock(&Giant);
+	NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td);
+	error = namei(&nd);
+	if (error == 0) {
+		error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp);
+		NDFREE(&nd, 0);
+	}
+	mtx_unlock(&Giant);
+	return (error);
+}
+
+/*
  * Given a file descriptor, check an ACL for it
  *
  * MPSAFE
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