[Cluster-devel] [PATCH 1/1] GFS2 security initialization
Ryan O'Hara
rohara at redhat.com
Fri Sep 29 17:50:48 UTC 2006
Initialize SELinux extended attributes at inode creation time.
Signed-Off-By: Ryan O'Hara <rohara at redhat.com>
---
diff -urpN gfs/fs/gfs2/inode.c gfs.selinux/fs/gfs2/inode.c
--- gfs/fs/gfs2/inode.c 2006-09-29 12:34:22.000000000 -0500
+++ gfs.selinux/fs/gfs2/inode.c 2006-09-29 12:35:50.000000000 -0500
@@ -17,6 +17,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/security.h>
#include "gfs2.h"
#include "incore.h"
@@ -24,6 +25,7 @@
#include "bmap.h"
#include "dir.h"
#include "eattr.h"
+#include "eaops.h"
#include "glock.h"
#include "glops.h"
#include "inode.h"
@@ -897,6 +899,10 @@ struct inode *gfs2_createi(struct gfs2_h
if (error)
goto fail_iput;
+ error = gfs2_security_init(dip, GFS2_I(inode));
+ if (error)
+ goto fail_iput;
+
error = link_dinode(dip, name, GFS2_I(inode));
if (error)
goto fail_iput;
@@ -1337,3 +1343,36 @@ int gfs2_setattr_simple(struct gfs2_inod
return error;
}
+int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip)
+{
+ int err;
+ size_t len;
+ void *value;
+ char *name;
+ struct gfs2_ea_request er;
+
+ err = security_inode_init_security(&ip->i_inode, &dip->i_inode,
+ &name, &value, &len);
+
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+
+ memset(&er, 0, sizeof(struct gfs2_ea_request));
+
+ er.er_type = GFS2_EATYPE_SECURITY;
+ er.er_name = name;
+ er.er_data = value;
+ er.er_name_len = strlen(name);
+ er.er_data_len = len;
+
+ err = gfs2_ea_set_i(ip, &er);
+
+ kfree(value);
+ kfree(name);
+
+ return err;
+}
+
diff -urpN gfs/fs/gfs2/inode.h gfs.selinux/fs/gfs2/inode.h
--- gfs/fs/gfs2/inode.h 2006-09-29 12:34:22.000000000 -0500
+++ gfs.selinux/fs/gfs2/inode.h 2006-09-26 16:49:46.000000000 -0500
@@ -49,6 +49,7 @@ int gfs2_glock_nq_atime(struct gfs2_hold
int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs);
int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
+int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip);
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
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