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/*
* ntp_control.h - definitions related to NTP mode 6 control messages
*/
#include "ntp_types.h"
typedef union ctl_pkt_u_tag {
u_char data[480 + MAX_MAC_LEN]; /* data + auth */
u_int32 u32[(480 + MAX_MAC_LEN) / sizeof(u_int32)];
} ctl_pkt_u;
struct ntp_control {
u_char li_vn_mode; /* leap, version, mode */
u_char r_m_e_op; /* response, more, error, opcode */
u_short sequence; /* sequence number of request */
u_short status; /* status word for association */
associd_t associd; /* association ID */
u_short offset; /* offset of this batch of data */
u_short count; /* count of data in this packet */
ctl_pkt_u u;
};
/*
* Length of the control header, in octets
*/
#define CTL_HEADER_LEN (offsetof(struct ntp_control, u))
#define CTL_MAX_DATA_LEN 468
/*
* Limits and things
*/
#define CTL_MAXTRAPS 3 /* maximum number of traps we allow */
#define CTL_TRAPTIME (60*60) /* time out traps in 1 hour */
#define CTL_MAXAUTHSIZE 64 /* maximum size of an authen'ed req */
/*
* Decoding for the r_m_e_op field
*/
#define CTL_RESPONSE 0x80
#define CTL_ERROR 0x40
#define CTL_MORE 0x20
#define CTL_OP_MASK 0x1f
#define CTL_ISRESPONSE(r_m_e_op) ((CTL_RESPONSE & (r_m_e_op)) != 0)
#define CTL_ISMORE(r_m_e_op) ((CTL_MORE & (r_m_e_op)) != 0)
#define CTL_ISERROR(r_m_e_op) ((CTL_ERROR & (r_m_e_op)) != 0)
#define CTL_OP(r_m_e_op) (CTL_OP_MASK & (r_m_e_op))
/*
* Opcodes
*/
#define CTL_OP_UNSPEC 0 /* unspeciffied */
#define CTL_OP_READSTAT 1 /* read status */
#define CTL_OP_READVAR 2 /* read variables */
#define CTL_OP_WRITEVAR 3 /* write variables */
#define CTL_OP_READCLOCK 4 /* read clock variables */
#define CTL_OP_WRITECLOCK 5 /* write clock variables */
#define CTL_OP_SETTRAP 6 /* set trap address */
#define CTL_OP_ASYNCMSG 7 /* asynchronous message */
#define CTL_OP_CONFIGURE 8 /* runtime configuration */
#define CTL_OP_SAVECONFIG 9 /* save config to file */
#define CTL_OP_READ_MRU 10 /* retrieve MRU (mrulist) */
#define CTL_OP_READ_ORDLIST_A 11 /* ordered list req. auth. */
#define CTL_OP_REQ_NONCE 12 /* request a client nonce */
#define CTL_OP_UNSETTRAP 31 /* unset trap */
/*
* {En,De}coding of the system status word
*/
#define CTL_SST_TS_UNSPEC 0 /* unspec */
#define CTL_SST_TS_ATOM 1 /* pps */
#define CTL_SST_TS_LF 2 /* lf radio */
#define CTL_SST_TS_HF 3 /* hf radio */
#define CTL_SST_TS_UHF 4 /* uhf radio */
#define CTL_SST_TS_LOCAL 5 /* local */
#define CTL_SST_TS_NTP 6 /* ntp */
#define CTL_SST_TS_UDPTIME 7 /* other */
#define CTL_SST_TS_WRSTWTCH 8 /* wristwatch */
#define CTL_SST_TS_TELEPHONE 9 /* telephone */
#define CTL_SYS_MAXEVENTS 15
#define CTL_SYS_STATUS(li, source, nevnt, evnt) \
(((((unsigned short)(li))<< 14)&0xc000) | \
(((source)<<8)&0x3f00) | \
(((nevnt)<<4)&0x00f0) | \
((evnt)&0x000f))
#define CTL_SYS_LI(status) (((status)>>14) & 0x3)
#define CTL_SYS_SOURCE(status) (((status)>>8) & 0x3f)
#define CTL_SYS_NEVNT(status) (((status)>>4) & 0xf)
#define CTL_SYS_EVENT(status) ((status) & 0xf)
/*
* {En,De}coding of the peer status word
*/
#define CTL_PST_CONFIG 0x80
#define CTL_PST_AUTHENABLE 0x40
#define CTL_PST_AUTHENTIC 0x20
#define CTL_PST_REACH 0x10
#define CTL_PST_BCAST 0x08
#define CTL_PST_SEL_REJECT 0 /* reject */
#define CTL_PST_SEL_SANE 1 /* x falsetick */
#define CTL_PST_SEL_CORRECT 2 /* . excess */
#define CTL_PST_SEL_SELCAND 3 /* - outlyer */
#define CTL_PST_SEL_SYNCCAND 4 /* + candidate */
#define CTL_PST_SEL_EXCESS 5 /* # backup */
#define CTL_PST_SEL_SYSPEER 6 /* * sys.peer */
#define CTL_PST_SEL_PPS 7 /* o pps.peer */
#define CTL_PEER_MAXEVENTS 15
#define CTL_PEER_STATUS(status, nevnt, evnt) \
((((status)<<8) & 0xff00) | \
(((nevnt)<<4) & 0x00f0) | \
((evnt) & 0x000f))
#define CTL_PEER_STATVAL(status)(((status)>>8) & 0xff)
#define CTL_PEER_NEVNT(status) (((status)>>4) & 0xf)
#define CTL_PEER_EVENT(status) ((status) & 0xf)
/*
* {En,De}coding of the clock status word
*/
#define CTL_CLK_OKAY 0
#define CTL_CLK_NOREPLY 1
#define CTL_CLK_BADFORMAT 2
#define CTL_CLK_FAULT 3
#define CTL_CLK_PROPAGATION 4
#define CTL_CLK_BADDATE 5
#define CTL_CLK_BADTIME 6
#define CTL_CLK_STATUS(status, event) \
((((status)<<8) & 0xff00) | \
((event) & 0x00ff))
/*
* Error code responses returned when the E bit is set.
*/
#define CERR_UNSPEC 0
#define CERR_PERMISSION 1
#define CERR_BADFMT 2
#define CERR_BADOP 3
#define CERR_BADASSOC 4
#define CERR_UNKNOWNVAR 5
#define CERR_BADVALUE 6
#define CERR_RESTRICT 7
#define CERR_NORESOURCE CERR_PERMISSION /* wish there was a different code */
/*
* Definition of the structure used internally to hold trap information.
* ntp_request.c wants to see this.
*/
struct ctl_trap {
sockaddr_u tr_addr; /* address of trap recipient */
struct interface *tr_localaddr; /* interface to send this through */
u_long tr_settime; /* time trap was set */
u_long tr_count; /* async messages sent to this guy */
u_long tr_origtime; /* time trap was originally set */
u_long tr_resets; /* count of resets for this trap */
u_short tr_sequence; /* trap sequence id */
u_char tr_flags; /* trap flags */
u_char tr_version; /* version number of trapper */
};
extern struct ctl_trap ctl_traps[CTL_MAXTRAPS];
/*
* Flag bits
*/
#define TRAP_INUSE 0x1 /* this trap is active */
#define TRAP_NONPRIO 0x2 /* this trap is non-priority */
#define TRAP_CONFIGURED 0x4 /* this trap was configured */
/*
* Types of things we may deal with
* shared between ntpq and library
*/
#define TYPE_SYS 1
#define TYPE_PEER 2
#define TYPE_CLOCK 3
/*
* IFSTATS_FIELDS is the number of fields ntpd supplies for each ifstats
* row. Similarly RESLIST_FIELDS for reslist.
*/
#define IFSTATS_FIELDS 12
#define RESLIST_FIELDS 4
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