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