mirror of
https://github.com/samba-team/samba.git
synced 2024-12-29 11:21:54 +03:00
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/*
|
|
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
|
|
}
|
|
|