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c944d2ea41
We don't really use leases yet, so so far this went by unnoticed. It's the V2 lease requests that hold the parent lease key, not the V1 ones. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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SMB2 Lease context handling
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Copyright (C) Stefan Metzmacher 2012
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Copyright (C) Volker Lendecke 2013
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "../libcli/smb/smb_common.h"
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ssize_t smb2_lease_pull(const uint8_t *buf, size_t len,
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struct smb2_lease *lease)
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{
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int version;
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switch (len) {
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case 32:
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version = 1;
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break;
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case 52:
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version = 2;
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break;
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default:
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return -1;
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}
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memcpy(&lease->lease_key, buf, 16);
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lease->lease_state = IVAL(buf, 16);
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lease->lease_flags = IVAL(buf, 20);
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lease->lease_duration = BVAL(buf, 24);
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switch (version) {
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case 1:
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ZERO_STRUCT(lease->parent_lease_key);
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lease->lease_epoch = 0;
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break;
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case 2:
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memcpy(&lease->parent_lease_key, buf+32, 16);
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lease->lease_epoch = SVAL(buf, 48);
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break;
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}
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return len;
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}
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bool smb2_lease_push(const struct smb2_lease *lease, uint8_t *buf, size_t len)
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{
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int version;
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switch (len) {
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case 32:
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version = 1;
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break;
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case 52:
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version = 2;
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break;
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default:
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return false;
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}
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memcpy(&buf[0], &lease->lease_key, 16);
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SIVAL(buf, 16, lease->lease_state);
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SIVAL(buf, 20, lease->lease_flags);
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SBVAL(buf, 24, lease->lease_duration);
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if (version == 2) {
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memcpy(&buf[32], &lease->parent_lease_key, 16);
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SIVAL(buf, 48, lease->lease_epoch);
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}
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return true;
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}
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