Author: jerry
Date: 2005-12-28 16:57:50 +0000 (Wed, 28 Dec 2005)
New Revision: 12543

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=12543

Log:
volker's fix for BUG 3349 (windows clients hang)
Modified:
   branches/SAMBA_3_0_RELEASE/WHATSNEW.txt
   branches/SAMBA_3_0_RELEASE/source/smbd/close.c
   branches/SAMBA_3_0_RELEASE/source/smbd/open.c
   branches/SAMBA_3_0_RELEASE/source/smbd/oplock.c


Changeset:
Modified: branches/SAMBA_3_0_RELEASE/WHATSNEW.txt
===================================================================
--- branches/SAMBA_3_0_RELEASE/WHATSNEW.txt     2005-12-28 15:38:36 UTC (rev 
12542)
+++ branches/SAMBA_3_0_RELEASE/WHATSNEW.txt     2005-12-28 16:57:50 UTC (rev 
12543)
@@ -1,13 +1,34 @@
-                   ==============================
-                   Release Notes for Samba 3.0.21
-                            Dec 20, 2005
-                   ==============================
+                   ===============================
+                   Release Notes for Samba 3.0.21a
+                              Dec 30, 2005
+                   ===============================
 
 This is the latest stable release of Samba. This is the version
 that production Samba servers should be running for all current
 bug-fixes.  Please read the following important changes in this
 release.
 
+######################################################################
+Changes
+#######
+
+Changes since 3.0.21
+--------------------
+
+commits
+-------
+o   Volker Lendecke <[EMAIL PROTECTED]>
+    * BUG 3349: Deadlock caused logic error in oplock code.
+
+
+Release Notes for older release follow:
+
+      --------------------------------------------------
+                   ==============================
+                   Release Notes for Samba 3.0.21
+                            Dec 20, 2005
+                   ==============================
+
 Common bugs fixed in 3.0.21 include:
 
   o Missing groups in a user's token when logging in via kerberos

Modified: branches/SAMBA_3_0_RELEASE/source/smbd/close.c
===================================================================
--- branches/SAMBA_3_0_RELEASE/source/smbd/close.c      2005-12-28 15:38:36 UTC 
(rev 12542)
+++ branches/SAMBA_3_0_RELEASE/source/smbd/close.c      2005-12-28 16:57:50 UTC 
(rev 12543)
@@ -130,8 +130,10 @@
                         */
                        schedule_deferred_open_smb_message(e->op_mid);
                } else {
+                       become_root();
                        message_send_pid(e->pid, MSG_SMB_OPEN_RETRY,
                                         e, sizeof(*e), True);
+                       unbecome_root();
                }
        }
 }

Modified: branches/SAMBA_3_0_RELEASE/source/smbd/open.c
===================================================================
--- branches/SAMBA_3_0_RELEASE/source/smbd/open.c       2005-12-28 15:38:36 UTC 
(rev 12542)
+++ branches/SAMBA_3_0_RELEASE/source/smbd/open.c       2005-12-28 16:57:50 UTC 
(rev 12543)
@@ -682,11 +682,15 @@
        }
 
        if (delay_it) {
+               BOOL ret;
                DEBUG(10, ("Sending break request to PID %s\n",
                           procid_str_static(&exclusive->pid)));
                exclusive->op_mid = get_current_mid();
-               if (!message_send_pid(exclusive->pid, MSG_SMB_BREAK_REQUEST,
-                                     exclusive, sizeof(*exclusive), True)) {
+               become_root();
+               ret = message_send_pid(exclusive->pid, MSG_SMB_BREAK_REQUEST,
+                                      exclusive, sizeof(*exclusive), True);
+               unbecome_root();
+               if (!ret) {
                        DEBUG(3, ("Could not send oplock break message\n"));
                }
                file_free(fsp);

Modified: branches/SAMBA_3_0_RELEASE/source/smbd/oplock.c
===================================================================
--- branches/SAMBA_3_0_RELEASE/source/smbd/oplock.c     2005-12-28 15:38:36 UTC 
(rev 12542)
+++ branches/SAMBA_3_0_RELEASE/source/smbd/oplock.c     2005-12-28 16:57:50 UTC 
(rev 12543)
@@ -398,8 +398,10 @@
                 * get to process this message, we have closed the file. Reply
                 * with 'ok, oplock broken' */
                DEBUG(3, ("Did not find fsp\n"));
+               become_root();
                message_send_pid(src, MSG_SMB_BREAK_RESPONSE,
                                 msg, sizeof(*msg), True);
+               unbecome_root();
                return;
        }
 
@@ -418,8 +420,10 @@
                DEBUG(3, ("Already downgraded oplock on %.0f/%.0f: %s\n",
                          (double)fsp->dev, (double)fsp->inode,
                          fsp->fsp_name));
+               become_root();
                message_send_pid(src, MSG_SMB_BREAK_RESPONSE,
                                 msg, sizeof(*msg), True);
+               unbecome_root();
                return;
        }
 
@@ -545,11 +549,13 @@
 {
        int i;
 
+       become_root();
        for (i=0; i<fsp->num_pending_break_messages; i++) {
                struct share_mode_entry *msg = &fsp->pending_break_messages[i];
                message_send_pid(msg->pid, MSG_SMB_BREAK_RESPONSE,
                                 msg, sizeof(*msg), True);
        }
+       unbecome_root();
 
        SAFE_FREE(fsp->pending_break_messages);
        fsp->num_pending_break_messages = 0;
@@ -686,8 +692,10 @@
                        abort();
                }
 
+               become_root();
                message_send_pid(share_entry->pid, MSG_SMB_ASYNC_LEVEL2_BREAK,
                                 share_entry, sizeof(*share_entry), True);
+               unbecome_root();
        }
 
        remove_all_share_oplocks(lck, fsp);

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