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/*
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.
*/
/**
* @file
* @brief Capabilities functions
**/
/*
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
}
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