From 4a5e88f2e037da59fea8ce00420ebd4ec2fe791c Mon Sep 17 00:00:00 2001
From: tappro <tappro>
Date: Thu, 25 Aug 2005 09:41:12 +0000
Subject: [PATCH] b=7390 - move reint auditing into mds_audit - auth audit
 should use child inode if it exists to recognize correct audit setting

---
 lustre/mds/handler.c      | 34 +------------------------
 lustre/mds/mds_audit.c    | 64 ++++++++++++++++++++++++++++++++++++++++++-----
 lustre/mds/mds_internal.h |  2 +-
 3 files changed, 60 insertions(+), 40 deletions(-)

diff --git a/lustre/mds/handler.c b/lustre/mds/handler.c
index e4eddc3..103abed 100644
--- a/lustre/mds/handler.c
+++ b/lustre/mds/handler.c
@@ -2119,39 +2119,7 @@ int mds_reint(struct ptlrpc_request *req, int offset,
 
         rc = mds_init_ucred(&rec->ur_uc, req, rsd);
         if (rc) {
-                audit_op code = AUDIT_NONE;
-                char * au_name = NULL;
-                int au_len = 0;
-                switch (rec->ur_opcode) {
-                        case REINT_SETATTR:
-                                code = AUDIT_SETATTR;
-                                break;
-                        case REINT_CREATE:
-                                code = AUDIT_CREATE;
-                                au_name = rec->ur_name;
-                                au_len = rec->ur_namelen;
-                                break;
-                        case REINT_LINK:
-                                code = AUDIT_LINK;
-                                break;
-                        case REINT_UNLINK:
-                                code = AUDIT_UNLINK;
-                                break;
-                        case REINT_RENAME:
-                                code = AUDIT_RENAME;
-                                break;
-                        case REINT_OPEN:
-                                au_name = rec->ur_name;
-                                au_len = rec->ur_namelen;
-                                code = AUDIT_OPEN;
-                                break;
-                        default:
-                                CERROR("Wrong opcode in reint\n");
-                                LBUG();
-                }
-
-                mds_audit_auth(req, &rec->ur_uc, code, rec->ur_id1,  
-                               au_name, au_len);
+                mds_audit_reint(req, rec);
                 GOTO(out, rc);
         }
 
diff --git a/lustre/mds/mds_audit.c b/lustre/mds/mds_audit.c
index a8bd018..243d96d 100644
--- a/lustre/mds/mds_audit.c
+++ b/lustre/mds/mds_audit.c
@@ -124,34 +124,86 @@ int mds_audit_auth(struct ptlrpc_request *req, struct lvfs_ucred * uc,
         struct obd_device *obd = req->rq_export->exp_obd;
         ptl_nid_t nid = req->rq_peer.peer_id.nid;
         int rc = 0;
-        struct dentry * dparent;
+        struct dentry * dparent, *dchild = NULL;
         struct inode * inode;
         struct audit_info info;
         
         ENTRY;
         
         dparent = mds_id2dentry(obd, id, NULL);
-        if (IS_ERR(dparent)) {
-                rc = PTR_ERR(dparent);
-                GOTO(out, rc);
+        if (IS_ERR(dparent) || !dparent->d_inode) {
+                CERROR("can't find inode "LPU64"\n", id_ino(id));
+                if (!IS_ERR(dparent))
+                        l_dput(dparent);
+                RETURN(-ENOENT);
         }
         inode = dparent->d_inode;
         
         info.m.nid = nid;
         info.m.uid = uc->luc_uid;
         info.m.gid = uc->luc_gid;
-        info.m.id = (*id);
         info.m.result = -EPERM;
         info.m.code = op;
         info.name = name;
         info.namelen = namelen;
+
+        if (name && namelen > 0) {
+                dchild = ll_lookup_one_len(name, dparent, namelen);
+                if (!IS_ERR(dchild)) {
+                        if (dchild->d_flags & DCACHE_CROSS_REF) {
+                                //TODO: we should know audit setting for this
+                                //so remote call is needed
+                        } else {
+                                inode = dchild->d_inode;
+                                info.name = NULL;
+                                info.namelen = 0;
+                        }
+                }
+        }
+        
+        mds_pack_inode2id(obd, &info.m.id, inode, 1);
         
         fsfilt_set_info(obd, inode->i_sb, inode,
                         10, "audit_info", sizeof(info), &info);
         l_dput(dparent);
 
         EXIT;
- out:
+
+        return rc;
+}
+
+int mds_audit_reint(struct ptlrpc_request *req,
+                    struct mds_update_record *rec)
+{
+        audit_op code = AUDIT_UNKNOWN;
+        int rc = 0;
+        
+        switch (rec->ur_opcode) {
+                case REINT_SETATTR:
+                        code = AUDIT_SETATTR;
+                        break;
+                case REINT_CREATE:
+                        code = AUDIT_CREATE;
+                        break;
+                case REINT_LINK:
+                        code = AUDIT_LINK;
+                        break;
+                case REINT_UNLINK:
+                        code = AUDIT_UNLINK;
+                        break;
+                case REINT_RENAME:                        
+                        code = AUDIT_RENAME;
+                        break;
+                case REINT_OPEN:
+                        code = AUDIT_OPEN;
+                        break;
+                default:
+                        CERROR("Wrong opcode in reint\n");
+                        LBUG();
+        }
+        
+        rc = mds_audit_auth(req, &rec->ur_uc, code, rec->ur_id1,  
+                            rec->ur_name, rec->ur_namelen);
         return rc;
 }
 
diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h
index f20e42e..d22a0f2 100644
--- a/lustre/mds/mds_internal.h
+++ b/lustre/mds/mds_internal.h
@@ -347,7 +347,7 @@ int mds_audit_stat(struct ptlrpc_request *, struct lustre_id *,
                    struct inode *, char*, int, int);
 int mds_audit_open(struct ptlrpc_request *, struct lustre_id *,
                    struct inode *, char*, int, int);
-
+int mds_audit_reint(struct ptlrpc_request *, struct mds_update_record *);
 /* mds_acl.c */
 struct upcall_cache *__mds_get_global_rmtacl_upcall_cache(void);
 int mds_init_rmtacl_upcall_cache(void);
-- 
1.8.3.1