From dfc517b05395d925a4d7b1ce9633a849f9468e70 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Thu, 23 Feb 2006 15:52:24 +0000
Subject: r13658: More moving around of files:  - Collect the generic utility
 functions into a lib/util/ (a la GLib is 		for the GNOME folks) 
 - Remove even more files from include/ (This used to be commit
 ba62880f5b05c2a505dc7f54676b231197a7e707)

---
 source4/lib/util/capability.c | 112 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 source4/lib/util/capability.c

(limited to 'source4/lib/util/capability.c')

diff --git a/source4/lib/util/capability.c b/source4/lib/util/capability.c
new file mode 100644
index 0000000000..0cebd33303
--- /dev/null
+++ b/source4/lib/util/capability.c
@@ -0,0 +1,112 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Andrew Tridgell 1992-1998
+   Copyright (C) Jeremy Allison 1998-2002
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+  capabilities fns - will be needed when we enable kernel oplocks
+*/
+
+#include "includes.h"
+#include "system/network.h"
+#include "system/wait.h"
+#include "system/filesys.h"
+
+
+#if defined(HAVE_IRIX_SPECIFIC_CAPABILITIES)
+/**************************************************************************
+ Try and abstract process capabilities (for systems that have them).
+****************************************************************************/
+static BOOL set_process_capability( uint32_t cap_flag, BOOL enable )
+{
+	if(cap_flag == KERNEL_OPLOCK_CAPABILITY) {
+		cap_t cap = cap_get_proc();
+
+		if (cap == NULL) {
+			DEBUG(0,("set_process_capability: cap_get_proc failed. Error was %s\n",
+				strerror(errno)));
+			return False;
+		}
+
+		if(enable)
+			cap->cap_effective |= CAP_NETWORK_MGT;
+		else
+			cap->cap_effective &= ~CAP_NETWORK_MGT;
+
+		if (cap_set_proc(cap) == -1) {
+			DEBUG(0,("set_process_capability: cap_set_proc failed. Error was %s\n",
+				strerror(errno)));
+			cap_free(cap);
+			return False;
+		}
+
+		cap_free(cap);
+
+		DEBUG(10,("set_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n"));
+	}
+	return True;
+}
+
+/**************************************************************************
+ Try and abstract inherited process capabilities (for systems that have them).
+****************************************************************************/
+
+static BOOL set_inherited_process_capability( uint32_t cap_flag, BOOL enable )
+{
+	if(cap_flag == KERNEL_OPLOCK_CAPABILITY) {
+		cap_t cap = cap_get_proc();
+
+		if (cap == NULL) {
+			DEBUG(0,("set_inherited_process_capability: cap_get_proc failed. Error was %s\n",
+				strerror(errno)));
+			return False;
+		}
+
+		if(enable)
+			cap->cap_inheritable |= CAP_NETWORK_MGT;
+		else
+			cap->cap_inheritable &= ~CAP_NETWORK_MGT;
+
+		if (cap_set_proc(cap) == -1) {
+			DEBUG(0,("set_inherited_process_capability: cap_set_proc failed. Error was %s\n", 
+				strerror(errno)));
+			cap_free(cap);
+			return False;
+		}
+
+		cap_free(cap);
+
+		DEBUG(10,("set_inherited_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n"));
+	}
+	return True;
+}
+#endif
+
+/****************************************************************************
+ Gain the oplock capability from the kernel if possible.
+****************************************************************************/
+
+void oplock_set_capability(BOOL this_process, BOOL inherit)
+{
+#if HAVE_KERNEL_OPLOCKS_IRIX
+	set_process_capability(KERNEL_OPLOCK_CAPABILITY,this_process);
+	set_inherited_process_capability(KERNEL_OPLOCK_CAPABILITY,inherit);
+#endif
+}
+
-- 
cgit