forked from Qortal/Brooklyn
2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Upcall description for nfsdcld communication
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*
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* Copyright (c) 2012 Red Hat, Inc.
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* Author(s): Jeff Layton <jlayton@redhat.com>
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*
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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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*
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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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*
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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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#ifndef _NFSD_CLD_H
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#define _NFSD_CLD_H
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/* latest upcall version available */
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#define CLD_UPCALL_VERSION 1
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/* defined by RFC3530 */
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#define NFS4_OPAQUE_LIMIT 1024
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enum cld_command {
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Cld_Create, /* create a record for this cm_id */
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Cld_Remove, /* remove record of this cm_id */
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Cld_Check, /* is this cm_id allowed? */
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Cld_GraceDone, /* grace period is complete */
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};
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/* representation of long-form NFSv4 client ID */
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struct cld_name {
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uint16_t cn_len; /* length of cm_id */
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unsigned char cn_id[NFS4_OPAQUE_LIMIT]; /* client-provided */
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} __attribute__((packed));
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/* message struct for communication with userspace */
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struct cld_msg {
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uint8_t cm_vers; /* upcall version */
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uint8_t cm_cmd; /* upcall command */
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int16_t cm_status; /* return code */
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uint32_t cm_xid; /* transaction id */
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union {
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int64_t cm_gracetime; /* grace period start time */
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struct cld_name cm_name;
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} __attribute__((packed)) cm_u;
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} __attribute__((packed));
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#endif /* !_NFSD_CLD_H */
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