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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.
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
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* Details of the "wire" protocol between Xen Store Daemon and client
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* library or guest kernel.
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* Copyright (C) 2005 Rusty Russell IBM Corporation
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*/
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#ifndef _XS_WIRE_H
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#define _XS_WIRE_H
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enum xsd_sockmsg_type
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{
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XS_DEBUG,
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XS_DIRECTORY,
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XS_READ,
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XS_GET_PERMS,
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XS_WATCH,
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XS_UNWATCH,
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XS_TRANSACTION_START,
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XS_TRANSACTION_END,
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XS_INTRODUCE,
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XS_RELEASE,
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XS_GET_DOMAIN_PATH,
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XS_WRITE,
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XS_MKDIR,
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XS_RM,
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XS_SET_PERMS,
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XS_WATCH_EVENT,
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XS_ERROR,
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XS_IS_DOMAIN_INTRODUCED,
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XS_RESUME,
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XS_SET_TARGET,
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XS_RESTRICT,
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XS_RESET_WATCHES,
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};
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#define XS_WRITE_NONE "NONE"
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#define XS_WRITE_CREATE "CREATE"
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#define XS_WRITE_CREATE_EXCL "CREATE|EXCL"
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/* We hand errors as strings, for portability. */
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struct xsd_errors
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{
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int errnum;
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const char *errstring;
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};
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#define XSD_ERROR(x) { x, #x }
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static struct xsd_errors xsd_errors[] __attribute__((unused)) = {
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XSD_ERROR(EINVAL),
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XSD_ERROR(EACCES),
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XSD_ERROR(EEXIST),
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XSD_ERROR(EISDIR),
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XSD_ERROR(ENOENT),
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XSD_ERROR(ENOMEM),
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XSD_ERROR(ENOSPC),
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XSD_ERROR(EIO),
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XSD_ERROR(ENOTEMPTY),
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XSD_ERROR(ENOSYS),
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XSD_ERROR(EROFS),
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XSD_ERROR(EBUSY),
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XSD_ERROR(EAGAIN),
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XSD_ERROR(EISCONN)
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};
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struct xsd_sockmsg
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{
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uint32_t type; /* XS_??? */
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uint32_t req_id;/* Request identifier, echoed in daemon's response. */
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uint32_t tx_id; /* Transaction id (0 if not related to a transaction). */
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uint32_t len; /* Length of data following this. */
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/* Generally followed by nul-terminated string(s). */
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};
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enum xs_watch_type
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{
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XS_WATCH_PATH = 0,
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XS_WATCH_TOKEN
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};
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/* Inter-domain shared memory communications. */
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#define XENSTORE_RING_SIZE 1024
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typedef uint32_t XENSTORE_RING_IDX;
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#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE-1))
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struct xenstore_domain_interface {
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char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */
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char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */
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XENSTORE_RING_IDX req_cons, req_prod;
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XENSTORE_RING_IDX rsp_cons, rsp_prod;
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};
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/* Violating this is very bad. See docs/misc/xenstore.txt. */
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#define XENSTORE_PAYLOAD_MAX 4096
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#endif /* _XS_WIRE_H */
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