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/*
* Unix SMB/CIFS implementation.
* UUID server routines
* Copyright (C) Theodore Ts'o 1996, 1997,
* Copyright (C) Jim McDonough 2002.
* Copyright (C) Andrew Tridgell 2003.
*
* 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.
*/
#include "includes.h"
void uuid_generate_random(struct GUID *out)
{
generate_random_buffer((unsigned char *)out, sizeof(struct GUID));
out->clock_seq[0] = (out->clock_seq[0] & 0x3F) | 0x80;
out->time_hi_and_version = (out->time_hi_and_version & 0x0FFF) | 0x4000;
}
BOOL uuid_all_zero(const struct GUID *u)
{
if (u->time_low != 0 ||
u->time_mid != 0 ||
u->time_hi_and_version != 0 ||
u->clock_seq[0] != 0 ||
u->clock_seq[1] != 0 ||
!all_zero(u->node, 6)) {
return False;
}
return True;
}
BOOL uuid_equal(const struct GUID *u1, const struct GUID *u2)
{
if (u1->time_low != u2->time_low ||
u1->time_mid != u2->time_mid ||
u1->time_hi_and_version != u2->time_hi_and_version ||
u1->clock_seq[0] != u2->clock_seq[0] ||
u1->clock_seq[1] != u2->clock_seq[1] ||
memcmp(u1->node, u2->node, 6) != 0) {
return False;
}
return True;
}
BOOL policy_handle_empty(struct policy_handle *h)
{
return (h->handle_type == 0 && uuid_all_zero(&h->uuid));
}
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