1c0b746e5SOllivier Robert /* 2c0b746e5SOllivier Robert * ntp.h - NTP definitions for the masses 3c0b746e5SOllivier Robert */ 4c0b746e5SOllivier Robert #ifndef NTP_H 5c0b746e5SOllivier Robert #define NTP_H 6c0b746e5SOllivier Robert 72b15cb3dSCy Schubert #include <stddef.h> 8c0b746e5SOllivier Robert #include <math.h> 92b15cb3dSCy Schubert 102b15cb3dSCy Schubert #include <ntp_fp.h> 112b15cb3dSCy Schubert #include <ntp_types.h> 122b15cb3dSCy Schubert #include <ntp_lists.h> 132b15cb3dSCy Schubert #include <ntp_stdlib.h> 142b15cb3dSCy Schubert #include <ntp_crypto.h> 15ea906c41SOllivier Robert #include <ntp_random.h> 162b15cb3dSCy Schubert #include <ntp_net.h> 17ea906c41SOllivier Robert 18ea906c41SOllivier Robert #include <isc/boolean.h> 19c0b746e5SOllivier Robert 20224ba2bdSOllivier Robert /* 21224ba2bdSOllivier Robert * Calendar arithmetic - contributed by G. Healton 22224ba2bdSOllivier Robert */ 23224ba2bdSOllivier Robert #define YEAR_BREAK 500 /* years < this are tm_year values: 24224ba2bdSOllivier Robert * Break < AnyFourDigitYear && Break > 25224ba2bdSOllivier Robert * Anytm_yearYear */ 26c0b746e5SOllivier Robert 27224ba2bdSOllivier Robert #define YEAR_PIVOT 98 /* 97/98: years < this are year 2000+ 28224ba2bdSOllivier Robert * FYI: official UNIX pivot year is 29224ba2bdSOllivier Robert * 68/69 */ 30c0b746e5SOllivier Robert 31224ba2bdSOllivier Robert /* 32224ba2bdSOllivier Robert * Number of Days since 1 BC Gregorian to 1 January of given year 33224ba2bdSOllivier Robert */ 34224ba2bdSOllivier Robert #define julian0(year) (((year) * 365 ) + ((year) > 0 ? (((year) + 3) \ 35224ba2bdSOllivier Robert / 4 - ((year - 1) / 100) + ((year - 1) / \ 36224ba2bdSOllivier Robert 400)) : 0)) 37c0b746e5SOllivier Robert 38224ba2bdSOllivier Robert /* 39224ba2bdSOllivier Robert * Number of days since start of NTP time to 1 January of given year 40224ba2bdSOllivier Robert */ 41c0b746e5SOllivier Robert #define ntp0(year) (julian0(year) - julian0(1900)) 42c0b746e5SOllivier Robert 43224ba2bdSOllivier Robert /* 44224ba2bdSOllivier Robert * Number of days since start of UNIX time to 1 January of given year 45224ba2bdSOllivier Robert */ 46c0b746e5SOllivier Robert #define unix0(year) (julian0(year) - julian0(1970)) 47c0b746e5SOllivier Robert 48224ba2bdSOllivier Robert /* 49224ba2bdSOllivier Robert * LEAP YEAR test for full 4-digit years (e.g, 1999, 2010) 50224ba2bdSOllivier Robert */ 51224ba2bdSOllivier Robert #define isleap_4(y) ((y) % 4 == 0 && !((y) % 100 == 0 && !(y % \ 52224ba2bdSOllivier Robert 400 == 0))) 53c0b746e5SOllivier Robert 54224ba2bdSOllivier Robert /* 55224ba2bdSOllivier Robert * LEAP YEAR test for tm_year (struct tm) years (e.g, 99, 110) 56224ba2bdSOllivier Robert */ 57224ba2bdSOllivier Robert #define isleap_tm(y) ((y) % 4 == 0 && !((y) % 100 == 0 && !(((y) \ 58224ba2bdSOllivier Robert + 1900) % 400 == 0))) 59c0b746e5SOllivier Robert 60224ba2bdSOllivier Robert /* 61224ba2bdSOllivier Robert * to convert simple two-digit years to tm_year style years: 62224ba2bdSOllivier Robert * 63224ba2bdSOllivier Robert * if (year < YEAR_PIVOT) 64224ba2bdSOllivier Robert * year += 100; 65224ba2bdSOllivier Robert * 66c0b746e5SOllivier Robert * to convert either two-digit OR tm_year years to four-digit years: 67224ba2bdSOllivier Robert * 68224ba2bdSOllivier Robert * if (year < YEAR_PIVOT) 69224ba2bdSOllivier Robert * year += 100; 70224ba2bdSOllivier Robert * 71224ba2bdSOllivier Robert * if (year < YEAR_BREAK) 72224ba2bdSOllivier Robert * year += 1900; 73224ba2bdSOllivier Robert */ 74c0b746e5SOllivier Robert 75c0b746e5SOllivier Robert /* 76c0b746e5SOllivier Robert * How to get signed characters. On machines where signed char works, 77c0b746e5SOllivier Robert * use it. On machines where signed char doesn't work, char had better 78c0b746e5SOllivier Robert * be signed. 79c0b746e5SOllivier Robert */ 80c0b746e5SOllivier Robert #ifdef NEED_S_CHAR_TYPEDEF 81c0b746e5SOllivier Robert # if SIZEOF_SIGNED_CHAR 82c0b746e5SOllivier Robert typedef signed char s_char; 83c0b746e5SOllivier Robert # else 84c0b746e5SOllivier Robert typedef char s_char; 85c0b746e5SOllivier Robert # endif 86c0b746e5SOllivier Robert /* XXX: Why is this sequent bit INSIDE this test? */ 87c0b746e5SOllivier Robert # ifdef sequent 88c0b746e5SOllivier Robert # undef SO_RCVBUF 89c0b746e5SOllivier Robert # undef SO_SNDBUF 90c0b746e5SOllivier Robert # endif 91c0b746e5SOllivier Robert #endif 92c0b746e5SOllivier Robert 93c0b746e5SOllivier Robert /* 94c0b746e5SOllivier Robert * NTP protocol parameters. See section 3.2.6 of the specification. 95c0b746e5SOllivier Robert */ 96c0b746e5SOllivier Robert #define NTP_VERSION ((u_char)4) /* current version number */ 97c0b746e5SOllivier Robert #define NTP_OLDVERSION ((u_char)1) /* oldest credible version */ 989c2daa00SOllivier Robert #define NTP_PORT 123 /* included for non-unix machines */ 999c2daa00SOllivier Robert 1009c2daa00SOllivier Robert /* 1019c2daa00SOllivier Robert * Poll interval parameters 1029c2daa00SOllivier Robert */ 1032b15cb3dSCy Schubert #define NTP_UNREACH 10 /* poll unreach threshold */ 1042b15cb3dSCy Schubert #define NTP_MINPOLL 3 /* log2 min poll interval (8 s) */ 1059c2daa00SOllivier Robert #define NTP_MINDPOLL 6 /* log2 default min poll (64 s) */ 1069c2daa00SOllivier Robert #define NTP_MAXDPOLL 10 /* log2 default max poll (~17 m) */ 1079c2daa00SOllivier Robert #define NTP_MAXPOLL 17 /* log2 max poll interval (~36 h) */ 1082b15cb3dSCy Schubert #define NTP_RETRY 3 /* max packet retries */ 1092b15cb3dSCy Schubert #define NTP_MINPKT 2 /* guard time (s) */ 1109c2daa00SOllivier Robert 1119c2daa00SOllivier Robert /* 1129c2daa00SOllivier Robert * Clock filter algorithm tuning parameters 1139c2daa00SOllivier Robert */ 1149c2daa00SOllivier Robert #define MAXDISPERSE 16. /* max dispersion */ 1159c2daa00SOllivier Robert #define NTP_SHIFT 8 /* clock filter stages */ 116c0b746e5SOllivier Robert #define NTP_FWEIGHT .5 /* clock filter weight */ 1179c2daa00SOllivier Robert 1189c2daa00SOllivier Robert /* 1199c2daa00SOllivier Robert * Selection algorithm tuning parameters 1209c2daa00SOllivier Robert */ 121ea906c41SOllivier Robert #define NTP_MINCLOCK 3 /* min survivors */ 122ea906c41SOllivier Robert #define NTP_MAXCLOCK 10 /* max candidates */ 1232b15cb3dSCy Schubert #define MINDISPERSE .001 /* min distance */ 1242b15cb3dSCy Schubert #define MAXDISTANCE 1.5 /* max root distance (select threshold) */ 1259c2daa00SOllivier Robert #define CLOCK_SGATE 3. /* popcorn spike gate */ 126224ba2bdSOllivier Robert #define HUFFPUFF 900 /* huff-n'-puff sample interval (s) */ 127ea906c41SOllivier Robert #define MAXHOP 2 /* anti-clockhop threshold */ 1289c2daa00SOllivier Robert #define MAX_TTL 8 /* max ttl mapping vector size */ 129ea906c41SOllivier Robert #define BEACON 7200 /* manycast beacon interval */ 1302b15cb3dSCy Schubert #define NTP_MAXEXTEN 2048 /* max extension field size */ 131767173ceSCy Schubert #define NTP_ORPHWAIT 300 /* orphan wait (s) */ 1329c2daa00SOllivier Robert 1339c2daa00SOllivier Robert /* 1349c2daa00SOllivier Robert * Miscellaneous stuff 1359c2daa00SOllivier Robert */ 136ea906c41SOllivier Robert #define NTP_MAXKEY 65535 /* max authentication key number */ 1372b15cb3dSCy Schubert #define KEY_TYPE_MD5 NID_md5 /* MD5 digest NID */ 1389c2daa00SOllivier Robert /* 1399c2daa00SOllivier Robert * Limits of things 1409c2daa00SOllivier Robert */ 1412b15cb3dSCy Schubert #define MAXFILENAME 256 /* max length of file name */ 1429c2daa00SOllivier Robert #define MAXHOSTNAME 512 /* max length of host/node name */ 143ea906c41SOllivier Robert #define NTP_MAXSTRLEN 256 /* max string length */ 144c0b746e5SOllivier Robert 145c0b746e5SOllivier Robert /* 146224ba2bdSOllivier Robert * Operations for jitter calculations (these use doubles). 147224ba2bdSOllivier Robert * 148224ba2bdSOllivier Robert * Note that we carefully separate the jitter component from the 149224ba2bdSOllivier Robert * dispersion component (frequency error plus precision). The frequency 150224ba2bdSOllivier Robert * error component is computed as CLOCK_PHI times the difference between 151224ba2bdSOllivier Robert * the epoch of the time measurement and the reference time. The 1522b15cb3dSCy Schubert * precision component is computed as the square root of the mean of the 153224ba2bdSOllivier Robert * squares of a zero-mean, uniform distribution of unit maximum 154224ba2bdSOllivier Robert * amplitude. Whether this makes statistical sense may be arguable. 155c0b746e5SOllivier Robert */ 156c0b746e5SOllivier Robert #define SQUARE(x) ((x) * (x)) 157c0b746e5SOllivier Robert #define SQRT(x) (sqrt(x)) 158c0b746e5SOllivier Robert #define DIFF(x, y) (SQUARE((x) - (y))) 1592b15cb3dSCy Schubert #define LOGTOD(a) ldexp(1., (int)(a)) /* log2 to double */ 160c0b746e5SOllivier Robert #define UNIVAR(x) (SQUARE(.28867513 * LOGTOD(x))) /* std uniform distr */ 1612b15cb3dSCy Schubert #define ULOGTOD(a) ldexp(1., (int)(a)) /* ulog2 to double */ 162c0b746e5SOllivier Robert 163c0b746e5SOllivier Robert #define EVENT_TIMEOUT 0 /* one second, that is */ 164c0b746e5SOllivier Robert 1652b15cb3dSCy Schubert 166c0b746e5SOllivier Robert /* 167c0b746e5SOllivier Robert * The interface structure is used to hold the addresses and socket 1682b15cb3dSCy Schubert * numbers of each of the local network addresses we are using. 1692b15cb3dSCy Schubert * Because "interface" is a reserved word in C++ and has so many 1702b15cb3dSCy Schubert * varied meanings, a change to "endpt" (via typedef) is under way. 1712b15cb3dSCy Schubert * Eventually the struct tag will change from interface to endpt_tag. 1722b15cb3dSCy Schubert * endpt is unrelated to the select algorithm's struct endpoint. 173c0b746e5SOllivier Robert */ 1742b15cb3dSCy Schubert typedef struct interface endpt; 175c0b746e5SOllivier Robert struct interface { 1762b15cb3dSCy Schubert endpt * elink; /* endpt list link */ 1772b15cb3dSCy Schubert endpt * mclink; /* per-AF_* multicast list */ 1784990d495SXin LI void * ioreg_ctx; /* IO registration context */ 1792b15cb3dSCy Schubert SOCKET fd; /* socket descriptor */ 1802b15cb3dSCy Schubert SOCKET bfd; /* for receiving broadcasts */ 1812b15cb3dSCy Schubert u_int32 ifnum; /* endpt instance count */ 1822b15cb3dSCy Schubert sockaddr_u sin; /* unicast address */ 1832b15cb3dSCy Schubert sockaddr_u mask; /* subnet mask */ 1842b15cb3dSCy Schubert sockaddr_u bcast; /* broadcast address */ 1859c2daa00SOllivier Robert char name[32]; /* name of interface */ 1862b15cb3dSCy Schubert u_short family; /* AF_INET/AF_INET6 */ 1872b15cb3dSCy Schubert u_short phase; /* phase in update cycle */ 1882b15cb3dSCy Schubert u_int32 flags; /* interface flags */ 189c0b746e5SOllivier Robert int last_ttl; /* last TTL specified */ 190ea906c41SOllivier Robert u_int32 addr_refid; /* IPv4 addr or IPv6 hash */ 1912b15cb3dSCy Schubert int num_mcast; /* mcast addrs enabled */ 1922b15cb3dSCy Schubert u_long starttime; /* current_time at creation */ 193c0b746e5SOllivier Robert volatile long received; /* number of incoming packets */ 194c0b746e5SOllivier Robert long sent; /* number of outgoing packets */ 195c0b746e5SOllivier Robert long notsent; /* number of send failures */ 1962b15cb3dSCy Schubert u_int ifindex; /* for IPV6_MULTICAST_IF */ 1972b15cb3dSCy Schubert isc_boolean_t ignore_packets; /* listen-read-drop this? */ 1982b15cb3dSCy Schubert struct peer * peers; /* list of peers using endpt */ 1992b15cb3dSCy Schubert u_int peercnt; /* count of same */ 200c0b746e5SOllivier Robert }; 201c0b746e5SOllivier Robert 202c0b746e5SOllivier Robert /* 203c0b746e5SOllivier Robert * Flags for interfaces 204c0b746e5SOllivier Robert */ 205ea906c41SOllivier Robert #define INT_UP 0x001 /* Interface is up */ 206ea906c41SOllivier Robert #define INT_PPP 0x002 /* Point-to-point interface */ 207ea906c41SOllivier Robert #define INT_LOOPBACK 0x004 /* the loopback interface */ 208ea906c41SOllivier Robert #define INT_BROADCAST 0x008 /* can broadcast out this interface */ 209ea906c41SOllivier Robert #define INT_MULTICAST 0x010 /* can multicast out this interface */ 2102b15cb3dSCy Schubert #define INT_BCASTOPEN 0x020 /* broadcast receive socket is open */ 211ea906c41SOllivier Robert #define INT_MCASTOPEN 0x040 /* multicasting enabled */ 212ea906c41SOllivier Robert #define INT_WILDCARD 0x080 /* wildcard interface - usually skipped */ 213ea906c41SOllivier Robert #define INT_MCASTIF 0x100 /* bound directly to MCAST address */ 2142b15cb3dSCy Schubert #define INT_PRIVACY 0x200 /* RFC 4941 IPv6 privacy address */ 2152b15cb3dSCy Schubert #define INT_BCASTXMIT 0x400 /* socket setup to allow broadcasts */ 2162b15cb3dSCy Schubert 217c0b746e5SOllivier Robert /* 218224ba2bdSOllivier Robert * Define flasher bits (tests 1 through 11 in packet procedure) 219c0b746e5SOllivier Robert * These reveal the state at the last grumble from the peer and are 220c0b746e5SOllivier Robert * most handy for diagnosing problems, even if not strictly a state 221c0b746e5SOllivier Robert * variable in the spec. These are recorded in the peer structure. 222ea906c41SOllivier Robert * 223ea906c41SOllivier Robert * Packet errors 224c0b746e5SOllivier Robert */ 225ea906c41SOllivier Robert #define TEST1 0X0001 /* duplicate packet */ 226ea906c41SOllivier Robert #define TEST2 0x0002 /* bogus packet */ 227c0b746e5SOllivier Robert #define TEST3 0x0004 /* protocol unsynchronized */ 228224ba2bdSOllivier Robert #define TEST4 0x0008 /* access denied */ 2292b15cb3dSCy Schubert #define TEST5 0x0010 /* bad authentication */ 230ea906c41SOllivier Robert #define TEST6 0x0020 /* bad synch or stratum */ 2312b15cb3dSCy Schubert #define TEST7 0x0040 /* bad header */ 2322b15cb3dSCy Schubert #define TEST8 0x0080 /* bad autokey */ 2332b15cb3dSCy Schubert #define TEST9 0x0100 /* bad crypto */ 234ea906c41SOllivier Robert #define PKT_TEST_MASK (TEST1 | TEST2 | TEST3 | TEST4 | TEST5 |\ 235ea906c41SOllivier Robert TEST6 | TEST7 | TEST8 | TEST9) 236ea906c41SOllivier Robert /* 237ea906c41SOllivier Robert * Peer errors 238ea906c41SOllivier Robert */ 239ea906c41SOllivier Robert #define TEST10 0x0200 /* peer bad synch or stratum */ 240ea906c41SOllivier Robert #define TEST11 0x0400 /* peer distance exceeded */ 241ea906c41SOllivier Robert #define TEST12 0x0800 /* peer synchronization loop */ 242ea906c41SOllivier Robert #define TEST13 0x1000 /* peer unreacable */ 243ea906c41SOllivier Robert #define PEER_TEST_MASK (TEST10 | TEST11 | TEST12 | TEST13) 244ea906c41SOllivier Robert 245ea906c41SOllivier Robert /* 2464990d495SXin LI * Unused flags 2474990d495SXin LI */ 2484990d495SXin LI #define TEST14 0x2000 2494990d495SXin LI #define TEST15 0x4000 2504990d495SXin LI #define TEST16 0x8000 2514990d495SXin LI 2524990d495SXin LI /* 253c0b746e5SOllivier Robert * The peer structure. Holds state information relating to the guys 254c0b746e5SOllivier Robert * we are peering with. Most of this stuff is from section 3.2 of the 255c0b746e5SOllivier Robert * spec. 256c0b746e5SOllivier Robert */ 257c0b746e5SOllivier Robert struct peer { 2582b15cb3dSCy Schubert struct peer *p_link; /* link pointer in free & peer lists */ 2592b15cb3dSCy Schubert struct peer *adr_link; /* link pointer in address hash */ 2602b15cb3dSCy Schubert struct peer *aid_link; /* link pointer in associd hash */ 2612b15cb3dSCy Schubert struct peer *ilink; /* list of peers for interface */ 2622b15cb3dSCy Schubert sockaddr_u srcadr; /* address of remote host */ 2632b15cb3dSCy Schubert char * hostname; /* if non-NULL, remote name */ 2642b15cb3dSCy Schubert struct addrinfo *addrs; /* hostname query result */ 2652b15cb3dSCy Schubert struct addrinfo *ai; /* position within addrs */ 2662b15cb3dSCy Schubert endpt * dstadr; /* local address */ 267224ba2bdSOllivier Robert associd_t associd; /* association ID */ 268c0b746e5SOllivier Robert u_char version; /* version number */ 269224ba2bdSOllivier Robert u_char hmode; /* local association mode */ 270224ba2bdSOllivier Robert u_char hpoll; /* local poll interval */ 271224ba2bdSOllivier Robert u_char minpoll; /* min poll interval */ 272224ba2bdSOllivier Robert u_char maxpoll; /* max poll interval */ 273224ba2bdSOllivier Robert u_int flags; /* association flags */ 274224ba2bdSOllivier Robert u_char cast_flags; /* additional flags */ 275224ba2bdSOllivier Robert u_char last_event; /* last peer error code */ 276224ba2bdSOllivier Robert u_char num_events; /* number of error events */ 2772b15cb3dSCy Schubert u_int32 ttl; /* ttl/refclock mode */ 2782b15cb3dSCy Schubert char *ident; /* group identifier name */ 279224ba2bdSOllivier Robert 280224ba2bdSOllivier Robert /* 281224ba2bdSOllivier Robert * Variables used by reference clock support 282224ba2bdSOllivier Robert */ 283ea906c41SOllivier Robert #ifdef REFCLOCK 284224ba2bdSOllivier Robert struct refclockproc *procptr; /* refclock structure pointer */ 285c0b746e5SOllivier Robert u_char refclktype; /* reference clock type */ 286c0b746e5SOllivier Robert u_char refclkunit; /* reference clock unit number */ 287c0b746e5SOllivier Robert u_char sstclktype; /* clock type for system status word */ 288ea906c41SOllivier Robert #endif /* REFCLOCK */ 289c0b746e5SOllivier Robert 290224ba2bdSOllivier Robert /* 291224ba2bdSOllivier Robert * Variables set by received packet 292224ba2bdSOllivier Robert */ 293224ba2bdSOllivier Robert u_char leap; /* local leap indicator */ 294224ba2bdSOllivier Robert u_char pmode; /* remote association mode */ 295224ba2bdSOllivier Robert u_char stratum; /* remote stratum */ 296224ba2bdSOllivier Robert u_char ppoll; /* remote poll interval */ 297ea906c41SOllivier Robert s_char precision; /* remote clock precision */ 2982b15cb3dSCy Schubert double rootdelay; /* roundtrip delay to primary source */ 2992b15cb3dSCy Schubert double rootdisp; /* dispersion to primary source */ 300224ba2bdSOllivier Robert u_int32 refid; /* remote reference ID */ 301224ba2bdSOllivier Robert l_fp reftime; /* update epoch */ 302224ba2bdSOllivier Robert 303224ba2bdSOllivier Robert /* 304224ba2bdSOllivier Robert * Variables used by authenticated client 305224ba2bdSOllivier Robert */ 306224ba2bdSOllivier Robert keyid_t keyid; /* current key ID */ 3072b15cb3dSCy Schubert #ifdef AUTOKEY 3082b15cb3dSCy Schubert #define clear_to_zero opcode 3092b15cb3dSCy Schubert u_int32 opcode; /* last request opcode */ 310224ba2bdSOllivier Robert associd_t assoc; /* peer association ID */ 311224ba2bdSOllivier Robert u_int32 crypto; /* peer status word */ 3129c2daa00SOllivier Robert EVP_PKEY *pkey; /* public key */ 3139c2daa00SOllivier Robert const EVP_MD *digest; /* message digest algorithm */ 3149c2daa00SOllivier Robert char *subject; /* certificate subject name */ 3159c2daa00SOllivier Robert char *issuer; /* certificate issuer name */ 3162b15cb3dSCy Schubert struct cert_info *xinfo; /* issuer certificate */ 317224ba2bdSOllivier Robert keyid_t pkeyid; /* previous key ID */ 3182b15cb3dSCy Schubert keyid_t hcookie; /* host cookie */ 3199c2daa00SOllivier Robert keyid_t pcookie; /* peer cookie */ 3202b15cb3dSCy Schubert const struct pkey_info *ident_pkey; /* identity key */ 3212b15cb3dSCy Schubert BIGNUM *iffval; /* identity challenge (IFF, GQ, MV) */ 3222b15cb3dSCy Schubert const BIGNUM *grpkey; /* identity challenge key (GQ) */ 3232b15cb3dSCy Schubert struct value cookval; /* receive cookie values */ 3249c2daa00SOllivier Robert struct value recval; /* receive autokey values */ 3259c2daa00SOllivier Robert struct exten *cmmd; /* extension pointer */ 3262b15cb3dSCy Schubert u_long refresh; /* next refresh epoch */ 3279c2daa00SOllivier Robert 328224ba2bdSOllivier Robert /* 329224ba2bdSOllivier Robert * Variables used by authenticated server 330224ba2bdSOllivier Robert */ 331224ba2bdSOllivier Robert keyid_t *keylist; /* session key ID list */ 332224ba2bdSOllivier Robert int keynumber; /* current key number */ 3339c2daa00SOllivier Robert struct value encrypt; /* send encrypt values */ 3349c2daa00SOllivier Robert struct value sndval; /* send autokey values */ 3352b15cb3dSCy Schubert #else /* !AUTOKEY follows */ 336224ba2bdSOllivier Robert #define clear_to_zero status 3372b15cb3dSCy Schubert #endif /* !AUTOKEY */ 338224ba2bdSOllivier Robert 339224ba2bdSOllivier Robert /* 340224ba2bdSOllivier Robert * Ephemeral state variables 341224ba2bdSOllivier Robert */ 342c0b746e5SOllivier Robert u_char status; /* peer status */ 3432b15cb3dSCy Schubert u_char new_status; /* under-construction status */ 344224ba2bdSOllivier Robert u_char reach; /* reachability register */ 3452b15cb3dSCy Schubert int flash; /* protocol error test tally bits */ 346224ba2bdSOllivier Robert u_long epoch; /* reference epoch */ 3472b15cb3dSCy Schubert int burst; /* packets remaining in burst */ 3482b15cb3dSCy Schubert int retry; /* retry counter */ 3492b15cb3dSCy Schubert int flip; /* interleave mode control */ 3502b15cb3dSCy Schubert int filter_nextpt; /* index into filter shift register */ 351224ba2bdSOllivier Robert double filter_delay[NTP_SHIFT]; /* delay shift register */ 352224ba2bdSOllivier Robert double filter_offset[NTP_SHIFT]; /* offset shift register */ 353224ba2bdSOllivier Robert double filter_disp[NTP_SHIFT]; /* dispersion shift register */ 354224ba2bdSOllivier Robert u_long filter_epoch[NTP_SHIFT]; /* epoch shift register */ 355224ba2bdSOllivier Robert u_char filter_order[NTP_SHIFT]; /* filter sort index */ 356c0b746e5SOllivier Robert l_fp rec; /* receive time stamp */ 357c0b746e5SOllivier Robert l_fp xmt; /* transmit time stamp */ 3582b15cb3dSCy Schubert l_fp dst; /* destination timestamp */ 3592b15cb3dSCy Schubert l_fp aorg; /* origin timestamp */ 3602b15cb3dSCy Schubert l_fp borg; /* alternate origin timestamp */ 36168ba7e87SXin LI l_fp bxmt; /* most recent broadcast transmit timestamp */ 3622d4e511cSCy Schubert l_fp nonce; /* Value of nonce we sent as the xmt stamp */ 363c0b746e5SOllivier Robert double offset; /* peer clock offset */ 364c0b746e5SOllivier Robert double delay; /* peer roundtrip delay */ 365224ba2bdSOllivier Robert double jitter; /* peer jitter (squares) */ 366c0b746e5SOllivier Robert double disp; /* peer dispersion */ 3672b15cb3dSCy Schubert double xleave; /* interleave delay */ 3682b15cb3dSCy Schubert double bias; /* programmed offset bias */ 3692b15cb3dSCy Schubert 3702b15cb3dSCy Schubert /* 3712b15cb3dSCy Schubert * Variables used to correct for packet length and asymmetry. 3722b15cb3dSCy Schubert */ 3732b15cb3dSCy Schubert double t21; /* outbound packet delay */ 3742b15cb3dSCy Schubert int t21_bytes; /* outbound packet length */ 3752b15cb3dSCy Schubert int t21_last; /* last outbound packet length */ 3762b15cb3dSCy Schubert double r21; /* outbound data rate */ 3772b15cb3dSCy Schubert double t34; /* inbound packet delay */ 3782b15cb3dSCy Schubert int t34_bytes; /* inbound packet length */ 3792b15cb3dSCy Schubert double r34; /* inbound data rate */ 380c0b746e5SOllivier Robert 381224ba2bdSOllivier Robert /* 382224ba2bdSOllivier Robert * End of clear-to-zero area 383224ba2bdSOllivier Robert */ 384c0b746e5SOllivier Robert u_long update; /* receive epoch */ 3852b15cb3dSCy Schubert #define end_clear_to_zero update 3862b15cb3dSCy Schubert int unreach; /* watchdog counter */ 3872b15cb3dSCy Schubert int throttle; /* rate control */ 388c0b746e5SOllivier Robert u_long outdate; /* send time last packet */ 389c0b746e5SOllivier Robert u_long nextdate; /* send time next packet */ 390ea906c41SOllivier Robert 391c0b746e5SOllivier Robert /* 392224ba2bdSOllivier Robert * Statistic counters 393c0b746e5SOllivier Robert */ 394c0b746e5SOllivier Robert u_long timereset; /* time stat counters were reset */ 395f391d6bcSXin LI u_long timelastrec; /* last packet received time, incl. trash */ 39668ba7e87SXin LI u_long timereceived; /* last (clean) packet received time */ 397224ba2bdSOllivier Robert u_long timereachable; /* last reachable/unreachable time */ 398224ba2bdSOllivier Robert 399224ba2bdSOllivier Robert u_long sent; /* packets sent */ 400224ba2bdSOllivier Robert u_long received; /* packets received */ 4012b15cb3dSCy Schubert u_long processed; /* packets processed */ 4022b15cb3dSCy Schubert u_long badauth; /* bad authentication (TEST5) */ 4034990d495SXin LI u_long badNAK; /* invalid crypto-NAK */ 4042b15cb3dSCy Schubert u_long bogusorg; /* bogus origin (TEST2, TEST3) */ 4052b15cb3dSCy Schubert u_long oldpkt; /* old duplicate (TEST1) */ 4062b15cb3dSCy Schubert u_long seldisptoolarge; /* bad header (TEST6, TEST7) */ 4072b15cb3dSCy Schubert u_long selbroken; /* KoD received */ 408c0b746e5SOllivier Robert }; 409c0b746e5SOllivier Robert 410c0b746e5SOllivier Robert /* 411c0b746e5SOllivier Robert * Values for peer.leap, sys_leap 412c0b746e5SOllivier Robert */ 413c0b746e5SOllivier Robert #define LEAP_NOWARNING 0x0 /* normal, no leap second warning */ 414c0b746e5SOllivier Robert #define LEAP_ADDSECOND 0x1 /* last minute of day has 61 seconds */ 415c0b746e5SOllivier Robert #define LEAP_DELSECOND 0x2 /* last minute of day has 59 seconds */ 416c0b746e5SOllivier Robert #define LEAP_NOTINSYNC 0x3 /* overload, clock is free running */ 417c0b746e5SOllivier Robert 418c0b746e5SOllivier Robert /* 419ea906c41SOllivier Robert * Values for peer mode and packet mode. Only the modes through 420ea906c41SOllivier Robert * MODE_BROADCAST and MODE_BCLIENT appear in the transition 421ea906c41SOllivier Robert * function. MODE_CONTROL and MODE_PRIVATE can appear in packets, 422ea906c41SOllivier Robert * but those never survive to the transition function. 423f391d6bcSXin LI */ 4249c2daa00SOllivier Robert #define MODE_UNSPEC 0 /* unspecified (old version) */ 425ea906c41SOllivier Robert #define MODE_ACTIVE 1 /* symmetric active mode */ 426ea906c41SOllivier Robert #define MODE_PASSIVE 2 /* symmetric passive mode */ 427c0b746e5SOllivier Robert #define MODE_CLIENT 3 /* client mode */ 428c0b746e5SOllivier Robert #define MODE_SERVER 4 /* server mode */ 429c0b746e5SOllivier Robert #define MODE_BROADCAST 5 /* broadcast mode */ 430ea906c41SOllivier Robert /* 431ea906c41SOllivier Robert * These can appear in packets 432ea906c41SOllivier Robert */ 433ea906c41SOllivier Robert #define MODE_CONTROL 6 /* control mode */ 434ea906c41SOllivier Robert #define MODE_PRIVATE 7 /* private mode */ 435ea906c41SOllivier Robert /* 436f391d6bcSXin LI * This is a made-up mode for broadcast client. 437ea906c41SOllivier Robert */ 438ea906c41SOllivier Robert #define MODE_BCLIENT 6 /* broadcast client mode */ 439c0b746e5SOllivier Robert 440c0b746e5SOllivier Robert /* 441c0b746e5SOllivier Robert * Values for peer.stratum, sys_stratum 442c0b746e5SOllivier Robert */ 4439c2daa00SOllivier Robert #define STRATUM_REFCLOCK ((u_char)0) /* default stratum */ 444c0b746e5SOllivier Robert /* A stratum of 0 in the packet is mapped to 16 internally */ 445c0b746e5SOllivier Robert #define STRATUM_PKT_UNSPEC ((u_char)0) /* unspecified in packet */ 446224ba2bdSOllivier Robert #define STRATUM_UNSPEC ((u_char)16) /* unspecified */ 447c0b746e5SOllivier Robert 448c0b746e5SOllivier Robert /* 449a25439b6SCy Schubert * Values for peer.flags (u_int) 450c0b746e5SOllivier Robert */ 451224ba2bdSOllivier Robert #define FLAG_CONFIG 0x0001 /* association was configured */ 4522b15cb3dSCy Schubert #define FLAG_PREEMPT 0x0002 /* preemptable association */ 453224ba2bdSOllivier Robert #define FLAG_AUTHENTIC 0x0004 /* last message was authentic */ 4542b15cb3dSCy Schubert #define FLAG_REFCLOCK 0x0008 /* this is actually a reference clock */ 4552b15cb3dSCy Schubert #define FLAG_BC_VOL 0x0010 /* broadcast client volleying */ 4562b15cb3dSCy Schubert #define FLAG_PREFER 0x0020 /* prefer peer */ 4572b15cb3dSCy Schubert #define FLAG_BURST 0x0040 /* burst mode */ 4582b15cb3dSCy Schubert #define FLAG_PPS 0x0080 /* steered by PPS */ 4592b15cb3dSCy Schubert #define FLAG_IBURST 0x0100 /* initial burst mode */ 4602b15cb3dSCy Schubert #define FLAG_NOSELECT 0x0200 /* never select */ 4612b15cb3dSCy Schubert #define FLAG_TRUE 0x0400 /* force truechimer */ 4622b15cb3dSCy Schubert #define FLAG_SKEY 0x0800 /* autokey authentication */ 4632b15cb3dSCy Schubert #define FLAG_XLEAVE 0x1000 /* interleaved protocol */ 4642b15cb3dSCy Schubert #define FLAG_XB 0x2000 /* interleaved broadcast */ 4652b15cb3dSCy Schubert #define FLAG_XBOGUS 0x4000 /* interleaved bogus packet */ 4662b15cb3dSCy Schubert #ifdef OPENSSL 4672b15cb3dSCy Schubert # define FLAG_ASSOC 0x8000 /* autokey request */ 4682b15cb3dSCy Schubert #endif /* OPENSSL */ 469a25439b6SCy Schubert #define FLAG_TSTAMP_PPS 0x10000 /* PPS source provides absolute timestamp */ 4702d4e511cSCy Schubert #define FLAG_LOOPNONCE 0x20000 /* Use a nonce for the loopback test */ 471c0b746e5SOllivier Robert 472c0b746e5SOllivier Robert /* 473c0b746e5SOllivier Robert * Definitions for the clear() routine. We use memset() to clear 474c0b746e5SOllivier Robert * the parts of the peer structure which go to zero. These are 475c0b746e5SOllivier Robert * used to calculate the start address and length of the area. 476c0b746e5SOllivier Robert */ 477c0b746e5SOllivier Robert #define CLEAR_TO_ZERO(p) ((char *)&((p)->clear_to_zero)) 478c0b746e5SOllivier Robert #define END_CLEAR_TO_ZERO(p) ((char *)&((p)->end_clear_to_zero)) 4792b15cb3dSCy Schubert #define LEN_CLEAR_TO_ZERO(p) (END_CLEAR_TO_ZERO(p) - CLEAR_TO_ZERO(p)) 480224ba2bdSOllivier Robert #define CRYPTO_TO_ZERO(p) ((char *)&((p)->clear_to_zero)) 481224ba2bdSOllivier Robert #define END_CRYPTO_TO_ZERO(p) ((char *)&((p)->end_clear_to_zero)) 482224ba2bdSOllivier Robert #define LEN_CRYPTO_TO_ZERO (END_CRYPTO_TO_ZERO((struct peer *)0) \ 483224ba2bdSOllivier Robert - CRYPTO_TO_ZERO((struct peer *)0)) 484224ba2bdSOllivier Robert 485c0b746e5SOllivier Robert /* 486c0b746e5SOllivier Robert * Reference clock types. Added as necessary. 487c0b746e5SOllivier Robert */ 488c0b746e5SOllivier Robert #define REFCLK_NONE 0 /* unknown or missing */ 489c0b746e5SOllivier Robert #define REFCLK_LOCALCLOCK 1 /* external (e.g., lockclock) */ 490c0b746e5SOllivier Robert #define REFCLK_GPS_TRAK 2 /* TRAK 8810 GPS Receiver */ 491c0b746e5SOllivier Robert #define REFCLK_WWV_PST 3 /* PST/Traconex 1020 WWV/H */ 492a151a66cSOllivier Robert #define REFCLK_SPECTRACOM 4 /* Spectracom (generic) Receivers */ 493c0b746e5SOllivier Robert #define REFCLK_TRUETIME 5 /* TrueTime (generic) Receivers */ 494a151a66cSOllivier Robert #define REFCLK_IRIG_AUDIO 6 /* IRIG-B/W audio decoder */ 495a151a66cSOllivier Robert #define REFCLK_CHU_AUDIO 7 /* CHU audio demodulator/decoder */ 496c0b746e5SOllivier Robert #define REFCLK_PARSE 8 /* generic driver (usually DCF77,GPS,MSF) */ 497c0b746e5SOllivier Robert #define REFCLK_GPS_MX4200 9 /* Magnavox MX4200 GPS */ 498c0b746e5SOllivier Robert #define REFCLK_GPS_AS2201 10 /* Austron 2201A GPS */ 499c0b746e5SOllivier Robert #define REFCLK_GPS_ARBITER 11 /* Arbiter 1088A/B/ GPS */ 500c0b746e5SOllivier Robert #define REFCLK_IRIG_TPRO 12 /* KSI/Odetics TPRO-S IRIG */ 501c0b746e5SOllivier Robert #define REFCLK_ATOM_LEITCH 13 /* Leitch CSD 5300 Master Clock */ 502c0b746e5SOllivier Robert #define REFCLK_MSF_EES 14 /* EES M201 MSF Receiver */ 503c0b746e5SOllivier Robert #define REFCLK_GPSTM_TRUE 15 /* OLD TrueTime GPS/TM-TMD Receiver */ 504c0b746e5SOllivier Robert #define REFCLK_IRIG_BANCOMM 16 /* Bancomm GPS/IRIG Interface */ 505c0b746e5SOllivier Robert #define REFCLK_GPS_DATUM 17 /* Datum Programmable Time System */ 506ea906c41SOllivier Robert #define REFCLK_ACTS 18 /* Generic Auto Computer Time Service */ 507c0b746e5SOllivier Robert #define REFCLK_WWV_HEATH 19 /* Heath GC1000 WWV/WWVH Receiver */ 508c0b746e5SOllivier Robert #define REFCLK_GPS_NMEA 20 /* NMEA based GPS clock */ 509c0b746e5SOllivier Robert #define REFCLK_GPS_VME 21 /* TrueTime GPS-VME Interface */ 510c0b746e5SOllivier Robert #define REFCLK_ATOM_PPS 22 /* 1-PPS Clock Discipline */ 511ea906c41SOllivier Robert #define REFCLK_PTB_ACTS 23 /* replaced by REFCLK_ACTS */ 512ea906c41SOllivier Robert #define REFCLK_USNO 24 /* replaced by REFCLK_ACTS */ 513c0b746e5SOllivier Robert #define REFCLK_GPS_HP 26 /* HP 58503A Time/Frequency Receiver */ 514c0b746e5SOllivier Robert #define REFCLK_ARCRON_MSF 27 /* ARCRON MSF radio clock. */ 515c0b746e5SOllivier Robert #define REFCLK_SHM 28 /* clock attached thru shared memory */ 516c0b746e5SOllivier Robert #define REFCLK_PALISADE 29 /* Trimble Navigation Palisade GPS */ 517c0b746e5SOllivier Robert #define REFCLK_ONCORE 30 /* Motorola UT Oncore GPS */ 518c0b746e5SOllivier Robert #define REFCLK_GPS_JUPITER 31 /* Rockwell Jupiter GPS receiver */ 519c0b746e5SOllivier Robert #define REFCLK_CHRONOLOG 32 /* Chrono-log K WWVB receiver */ 520c0b746e5SOllivier Robert #define REFCLK_DUMBCLOCK 33 /* Dumb localtime clock */ 521c0b746e5SOllivier Robert #define REFCLK_ULINK 34 /* Ultralink M320 WWVB receiver */ 522a151a66cSOllivier Robert #define REFCLK_PCF 35 /* Conrad parallel port radio clock */ 523a151a66cSOllivier Robert #define REFCLK_WWV_AUDIO 36 /* WWV/H audio demodulator/decoder */ 524a151a66cSOllivier Robert #define REFCLK_FG 37 /* Forum Graphic GPS */ 5259c2daa00SOllivier Robert #define REFCLK_HOPF_SERIAL 38 /* hopf DCF77/GPS serial receiver */ 526224ba2bdSOllivier Robert #define REFCLK_HOPF_PCI 39 /* hopf DCF77/GPS PCI receiver */ 527ce265a54SOllivier Robert #define REFCLK_JJY 40 /* JJY receiver */ 528ba371819SOllivier Robert #define REFCLK_TT560 41 /* TrueTime 560 IRIG-B decoder */ 529ba371819SOllivier Robert #define REFCLK_ZYFER 42 /* Zyfer GPStarplus receiver */ 530ba371819SOllivier Robert #define REFCLK_RIPENCC 43 /* RIPE NCC Trimble driver */ 531ba371819SOllivier Robert #define REFCLK_NEOCLOCK4X 44 /* NeoClock4X DCF77 or TDF receiver */ 5322b15cb3dSCy Schubert #define REFCLK_TSYNCPCI 45 /* Spectracom TSYNC PCI timing board */ 5332b15cb3dSCy Schubert #define REFCLK_GPSDJSON 46 5342b15cb3dSCy Schubert #define REFCLK_MAX 46 5359c2daa00SOllivier Robert 5369c2daa00SOllivier Robert 537c0b746e5SOllivier Robert /* 538c0b746e5SOllivier Robert * NTP packet format. The mac field is optional. It isn't really 539c0b746e5SOllivier Robert * an l_fp either, but for now declaring it that way is convenient. 540c0b746e5SOllivier Robert * See Appendix A in the specification. 541c0b746e5SOllivier Robert * 542c0b746e5SOllivier Robert * Note that all u_fp and l_fp values arrive in network byte order 543c0b746e5SOllivier Robert * and must be converted (except the mac, which isn't, really). 544c0b746e5SOllivier Robert */ 545c0b746e5SOllivier Robert struct pkt { 5462b15cb3dSCy Schubert u_char li_vn_mode; /* peer leap indicator */ 547224ba2bdSOllivier Robert u_char stratum; /* peer stratum */ 548224ba2bdSOllivier Robert u_char ppoll; /* peer poll interval */ 549c0b746e5SOllivier Robert s_char precision; /* peer clock precision */ 5502b15cb3dSCy Schubert u_fp rootdelay; /* roundtrip delay to primary source */ 5512b15cb3dSCy Schubert u_fp rootdisp; /* dispersion to primary source*/ 5522b15cb3dSCy Schubert u_int32 refid; /* reference id */ 5532b15cb3dSCy Schubert l_fp reftime; /* last update time */ 554c0b746e5SOllivier Robert l_fp org; /* originate time stamp */ 555c0b746e5SOllivier Robert l_fp rec; /* receive time stamp */ 556c0b746e5SOllivier Robert l_fp xmt; /* transmit time stamp */ 557c0b746e5SOllivier Robert 5584990d495SXin LI #define MIN_V4_PKT_LEN (12 * sizeof(u_int32)) /* min header length */ 5592b15cb3dSCy Schubert #define LEN_PKT_NOMAC (12 * sizeof(u_int32)) /* min header length */ 5602b15cb3dSCy Schubert #define MIN_MAC_LEN (1 * sizeof(u_int32)) /* crypto_NAK */ 5612b15cb3dSCy Schubert #define MAX_MD5_LEN (5 * sizeof(u_int32)) /* MD5 */ 5622b15cb3dSCy Schubert #define MAX_MAC_LEN (6 * sizeof(u_int32)) /* SHA */ 56309100258SXin LI #define KEY_MAC_LEN sizeof(u_int32) /* key ID in MAC */ 56409100258SXin LI #define MAX_MDG_LEN (MAX_MAC_LEN-KEY_MAC_LEN) /* max. digest len */ 565c0b746e5SOllivier Robert 566c0b746e5SOllivier Robert /* 567c0b746e5SOllivier Robert * The length of the packet less MAC must be a multiple of 64 5682b15cb3dSCy Schubert * with an RSA modulus and Diffie-Hellman prime of 256 octets 569224ba2bdSOllivier Robert * and maximum host name of 128 octets, the maximum autokey 570224ba2bdSOllivier Robert * command is 152 octets and maximum autokey response is 460 571224ba2bdSOllivier Robert * octets. A packet can contain no more than one command and one 5722b15cb3dSCy Schubert * response, so the maximum total extension field length is 864 573224ba2bdSOllivier Robert * octets. But, to handle humungus certificates, the bank must 574224ba2bdSOllivier Robert * be broke. 5752b15cb3dSCy Schubert * 5762b15cb3dSCy Schubert * The different definitions of the 'exten' field are here for 5772b15cb3dSCy Schubert * the benefit of applications that want to send a packet from 5782b15cb3dSCy Schubert * an auto variable in the stack - not using the AUTOKEY version 5792b15cb3dSCy Schubert * saves 2KB of stack space. The receive buffer should ALWAYS be 5802b15cb3dSCy Schubert * big enough to hold a full extended packet if the extension 5812b15cb3dSCy Schubert * fields have to be parsed or skipped. 582c0b746e5SOllivier Robert */ 5832b15cb3dSCy Schubert #ifdef AUTOKEY 5842b15cb3dSCy Schubert u_int32 exten[(NTP_MAXEXTEN + MAX_MAC_LEN) / sizeof(u_int32)]; 5852b15cb3dSCy Schubert #else /* !AUTOKEY follows */ 5862b15cb3dSCy Schubert u_int32 exten[(MAX_MAC_LEN) / sizeof(u_int32)]; 5872b15cb3dSCy Schubert #endif /* !AUTOKEY */ 588c0b746e5SOllivier Robert }; 589c0b746e5SOllivier Robert 590c0b746e5SOllivier Robert /* 591c0b746e5SOllivier Robert * Stuff for extracting things from li_vn_mode 592c0b746e5SOllivier Robert */ 593c0b746e5SOllivier Robert #define PKT_MODE(li_vn_mode) ((u_char)((li_vn_mode) & 0x7)) 594c0b746e5SOllivier Robert #define PKT_VERSION(li_vn_mode) ((u_char)(((li_vn_mode) >> 3) & 0x7)) 595c0b746e5SOllivier Robert #define PKT_LEAP(li_vn_mode) ((u_char)(((li_vn_mode) >> 6) & 0x3)) 596c0b746e5SOllivier Robert 597c0b746e5SOllivier Robert /* 5982b15cb3dSCy Schubert * Stuff for putting things back into li_vn_mode in packets and vn_mode 5992b15cb3dSCy Schubert * in ntp_monitor.c's mon_entry. 600c0b746e5SOllivier Robert */ 6012b15cb3dSCy Schubert #define VN_MODE(v, m) ((((v) & 7) << 3) | ((m) & 0x7)) 6022b15cb3dSCy Schubert #define PKT_LI_VN_MODE(l, v, m) ((((l) & 3) << 6) | VN_MODE((v), (m))) 603c0b746e5SOllivier Robert 604c0b746e5SOllivier Robert 605c0b746e5SOllivier Robert /* 606c0b746e5SOllivier Robert * Dealing with stratum. 0 gets mapped to 16 incoming, and back to 0 607c0b746e5SOllivier Robert * on output. 608c0b746e5SOllivier Robert */ 609c0b746e5SOllivier Robert #define PKT_TO_STRATUM(s) ((u_char)(((s) == (STRATUM_PKT_UNSPEC)) ?\ 610c0b746e5SOllivier Robert (STRATUM_UNSPEC) : (s))) 611c0b746e5SOllivier Robert 612c0b746e5SOllivier Robert #define STRATUM_TO_PKT(s) ((u_char)(((s) == (STRATUM_UNSPEC)) ?\ 613c0b746e5SOllivier Robert (STRATUM_PKT_UNSPEC) : (s))) 614c0b746e5SOllivier Robert 6154e1ef62aSXin LI 6164e1ef62aSXin LI /* 6174e1ef62aSXin LI * A test to determine if the refid should be interpreted as text string. 6184e1ef62aSXin LI * This is usually the case for a refclock, which has stratum 0 internally, 6194e1ef62aSXin LI * which results in sys_stratum 1 if the refclock becomes system peer, or 6204e1ef62aSXin LI * in case of a kiss-of-death (KoD) packet that has STRATUM_PKT_UNSPEC (==0) 6214e1ef62aSXin LI * in the packet which is converted to STRATUM_UNSPEC when the packet 6224e1ef62aSXin LI * is evaluated. 6234e1ef62aSXin LI */ 6244e1ef62aSXin LI #define REFID_ISTEXT(s) (((s) <= 1) || ((s) >= STRATUM_UNSPEC)) 6254e1ef62aSXin LI 6264e1ef62aSXin LI 627c0b746e5SOllivier Robert /* 628c0b746e5SOllivier Robert * Event codes. Used for reporting errors/events to the control module 629c0b746e5SOllivier Robert */ 6309c2daa00SOllivier Robert #define PEER_EVENT 0x080 /* this is a peer event */ 6319c2daa00SOllivier Robert #define CRPT_EVENT 0x100 /* this is a crypto event */ 632c0b746e5SOllivier Robert 633224ba2bdSOllivier Robert /* 634224ba2bdSOllivier Robert * System event codes 635224ba2bdSOllivier Robert */ 636224ba2bdSOllivier Robert #define EVNT_UNSPEC 0 /* unspecified */ 6372b15cb3dSCy Schubert #define EVNT_NSET 1 /* freq not set */ 6382b15cb3dSCy Schubert #define EVNT_FSET 2 /* freq set */ 6392b15cb3dSCy Schubert #define EVNT_SPIK 3 /* spike detect */ 6402b15cb3dSCy Schubert #define EVNT_FREQ 4 /* freq mode */ 6412b15cb3dSCy Schubert #define EVNT_SYNC 5 /* clock sync */ 6422b15cb3dSCy Schubert #define EVNT_SYSRESTART 6 /* restart */ 6432b15cb3dSCy Schubert #define EVNT_SYSFAULT 7 /* panic stop */ 6442b15cb3dSCy Schubert #define EVNT_NOPEER 8 /* no sys peer */ 6452b15cb3dSCy Schubert #define EVNT_ARMED 9 /* leap armed */ 6462b15cb3dSCy Schubert #define EVNT_DISARMED 10 /* leap disarmed */ 6472b15cb3dSCy Schubert #define EVNT_LEAP 11 /* leap event */ 6482b15cb3dSCy Schubert #define EVNT_CLOCKRESET 12 /* clock step */ 6492b15cb3dSCy Schubert #define EVNT_KERN 13 /* kernel event */ 6502b15cb3dSCy Schubert #define EVNT_TAI 14 /* TAI */ 6512b15cb3dSCy Schubert #define EVNT_LEAPVAL 15 /* stale leapsecond values */ 652c0b746e5SOllivier Robert 653224ba2bdSOllivier Robert /* 654224ba2bdSOllivier Robert * Peer event codes 655224ba2bdSOllivier Robert */ 6562b15cb3dSCy Schubert #define PEVNT_MOBIL (1 | PEER_EVENT) /* mobilize */ 6572b15cb3dSCy Schubert #define PEVNT_DEMOBIL (2 | PEER_EVENT) /* demobilize */ 6582b15cb3dSCy Schubert #define PEVNT_UNREACH (3 | PEER_EVENT) /* unreachable */ 6592b15cb3dSCy Schubert #define PEVNT_REACH (4 | PEER_EVENT) /* reachable */ 6602b15cb3dSCy Schubert #define PEVNT_RESTART (5 | PEER_EVENT) /* restart */ 6612b15cb3dSCy Schubert #define PEVNT_REPLY (6 | PEER_EVENT) /* no reply */ 6622b15cb3dSCy Schubert #define PEVNT_RATE (7 | PEER_EVENT) /* rate exceeded */ 6632b15cb3dSCy Schubert #define PEVNT_DENY (8 | PEER_EVENT) /* access denied */ 6642b15cb3dSCy Schubert #define PEVNT_ARMED (9 | PEER_EVENT) /* leap armed */ 6652b15cb3dSCy Schubert #define PEVNT_NEWPEER (10 | PEER_EVENT) /* sys peer */ 6662b15cb3dSCy Schubert #define PEVNT_CLOCK (11 | PEER_EVENT) /* clock event */ 6672b15cb3dSCy Schubert #define PEVNT_AUTH (12 | PEER_EVENT) /* bad auth */ 6682b15cb3dSCy Schubert #define PEVNT_POPCORN (13 | PEER_EVENT) /* popcorn */ 6692b15cb3dSCy Schubert #define PEVNT_XLEAVE (14 | PEER_EVENT) /* interleave mode */ 6702b15cb3dSCy Schubert #define PEVNT_XERR (15 | PEER_EVENT) /* interleave error */ 671c0b746e5SOllivier Robert 672c0b746e5SOllivier Robert /* 673c0b746e5SOllivier Robert * Clock event codes 674c0b746e5SOllivier Robert */ 675224ba2bdSOllivier Robert #define CEVNT_NOMINAL 0 /* unspecified */ 6762b15cb3dSCy Schubert #define CEVNT_TIMEOUT 1 /* no reply */ 6772b15cb3dSCy Schubert #define CEVNT_BADREPLY 2 /* bad format */ 6782b15cb3dSCy Schubert #define CEVNT_FAULT 3 /* fault */ 6792b15cb3dSCy Schubert #define CEVNT_PROP 4 /* bad signal */ 6802b15cb3dSCy Schubert #define CEVNT_BADDATE 5 /* bad date */ 6812b15cb3dSCy Schubert #define CEVNT_BADTIME 6 /* bad time */ 682c0b746e5SOllivier Robert #define CEVNT_MAX CEVNT_BADTIME 683c0b746e5SOllivier Robert 684c0b746e5SOllivier Robert /* 685c0b746e5SOllivier Robert * Very misplaced value. Default port through which we send traps. 686c0b746e5SOllivier Robert */ 687c0b746e5SOllivier Robert #define TRAPPORT 18447 688c0b746e5SOllivier Robert 689c0b746e5SOllivier Robert 690c0b746e5SOllivier Robert /* 691224ba2bdSOllivier Robert * To speed lookups, peers are hashed by the low order bits of the 692224ba2bdSOllivier Robert * remote IP address. These definitions relate to that. 693c0b746e5SOllivier Robert */ 694ea906c41SOllivier Robert #define NTP_HASH_SIZE 128 695ea906c41SOllivier Robert #define NTP_HASH_MASK (NTP_HASH_SIZE-1) 6962b15cb3dSCy Schubert #define NTP_HASH_ADDR(src) (sock_hash(src) & NTP_HASH_MASK) 697c0b746e5SOllivier Robert 698c0b746e5SOllivier Robert /* 699c0b746e5SOllivier Robert * min, min3 and max. Makes it easier to transliterate the spec without 700c0b746e5SOllivier Robert * thinking about it. 701c0b746e5SOllivier Robert */ 702c0b746e5SOllivier Robert #define min(a,b) (((a) < (b)) ? (a) : (b)) 703c0b746e5SOllivier Robert #define max(a,b) (((a) > (b)) ? (a) : (b)) 704c0b746e5SOllivier Robert #define min3(a,b,c) min(min((a),(b)), (c)) 705c0b746e5SOllivier Robert 706c0b746e5SOllivier Robert 707c0b746e5SOllivier Robert /* 708c0b746e5SOllivier Robert * Configuration items. These are for the protocol module (proto_config()) 709c0b746e5SOllivier Robert */ 710c0b746e5SOllivier Robert #define PROTO_BROADCLIENT 1 711c0b746e5SOllivier Robert #define PROTO_PRECISION 2 /* (not used) */ 712c0b746e5SOllivier Robert #define PROTO_AUTHENTICATE 3 713c0b746e5SOllivier Robert #define PROTO_BROADDELAY 4 714c0b746e5SOllivier Robert #define PROTO_AUTHDELAY 5 /* (not used) */ 715c0b746e5SOllivier Robert #define PROTO_MULTICAST_ADD 6 716c0b746e5SOllivier Robert #define PROTO_MULTICAST_DEL 7 717c0b746e5SOllivier Robert #define PROTO_NTP 8 718c0b746e5SOllivier Robert #define PROTO_KERNEL 9 719c0b746e5SOllivier Robert #define PROTO_MONITOR 10 720c0b746e5SOllivier Robert #define PROTO_FILEGEN 11 721224ba2bdSOllivier Robert #define PROTO_PPS 12 722224ba2bdSOllivier Robert #define PROTO_CAL 13 7239c2daa00SOllivier Robert #define PROTO_MINCLOCK 14 724ea906c41SOllivier Robert #define PROTO_MAXCLOCK 15 725ea906c41SOllivier Robert #define PROTO_MINSANE 16 726ea906c41SOllivier Robert #define PROTO_FLOOR 17 727ea906c41SOllivier Robert #define PROTO_CEILING 18 728ea906c41SOllivier Robert #define PROTO_COHORT 19 729ea906c41SOllivier Robert #define PROTO_CALLDELAY 20 730ea906c41SOllivier Robert #define PROTO_MINDISP 21 731ea906c41SOllivier Robert #define PROTO_MAXDIST 22 7322b15cb3dSCy Schubert /* available 23 */ 733ea906c41SOllivier Robert #define PROTO_MAXHOP 24 734ea906c41SOllivier Robert #define PROTO_BEACON 25 735ea906c41SOllivier Robert #define PROTO_ORPHAN 26 7362b15cb3dSCy Schubert #define PROTO_ORPHWAIT 27 7372b15cb3dSCy Schubert #define PROTO_MODE7 28 73868ba7e87SXin LI #define PROTO_UECRYPTO 29 73968ba7e87SXin LI #define PROTO_UECRYPTONAK 30 74068ba7e87SXin LI #define PROTO_UEDIGEST 31 741e27abb66SXin LI #define PROTO_PCEDIGEST 32 742f391d6bcSXin LI #define PROTO_BCPOLLBSTEP 33 743c0b746e5SOllivier Robert 744c0b746e5SOllivier Robert /* 745c0b746e5SOllivier Robert * Configuration items for the loop filter 746c0b746e5SOllivier Robert */ 7472b15cb3dSCy Schubert #define LOOP_DRIFTINIT 1 /* iniitialize frequency */ 7482b15cb3dSCy Schubert #define LOOP_KERN_CLEAR 2 /* set initial frequency offset */ 749a25439b6SCy Schubert #define LOOP_MAX 3 /* set both step offsets */ 750f391d6bcSXin LI #define LOOP_MAX_BACK 4 /* set backward-step offset */ 751a25439b6SCy Schubert #define LOOP_MAX_FWD 5 /* set forward-step offset */ 752a25439b6SCy Schubert #define LOOP_PANIC 6 /* set panic offseet */ 753a25439b6SCy Schubert #define LOOP_PHI 7 /* set dispersion rate */ 754a25439b6SCy Schubert #define LOOP_MINSTEP 8 /* set step timeout */ 755a25439b6SCy Schubert #define LOOP_MINPOLL 9 /* set min poll interval (log2 s) */ 756a25439b6SCy Schubert #define LOOP_ALLAN 10 /* set minimum Allan intercept */ 757a25439b6SCy Schubert #define LOOP_HUFFPUFF 11 /* set huff-n'-puff filter length */ 758a25439b6SCy Schubert #define LOOP_FREQ 12 /* set initial frequency */ 759a25439b6SCy Schubert #define LOOP_CODEC 13 /* set audio codec frequency */ 760a25439b6SCy Schubert #define LOOP_LEAP 14 /* insert leap after second 23:59 */ 761a25439b6SCy Schubert #define LOOP_TICK 15 /* sim. low precision clock */ 762*a466cc55SCy Schubert #define LOOP_NOFREQ 16 /* undo a previos LOOP_FREQ */ 763c0b746e5SOllivier Robert 764c0b746e5SOllivier Robert /* 765c0b746e5SOllivier Robert * Configuration items for the stats printer 766c0b746e5SOllivier Robert */ 767c0b746e5SOllivier Robert #define STATS_FREQ_FILE 1 /* configure drift file */ 768c0b746e5SOllivier Robert #define STATS_STATSDIR 2 /* directory prefix for stats files */ 769c0b746e5SOllivier Robert #define STATS_PID_FILE 3 /* configure ntpd PID file */ 7702b15cb3dSCy Schubert #define STATS_LEAP_FILE 4 /* configure ntpd leapseconds file */ 771c0b746e5SOllivier Robert 7729c2daa00SOllivier Robert #define MJD_1900 15020 /* MJD for 1 Jan 1900 */ 773c0b746e5SOllivier Robert 774c0b746e5SOllivier Robert /* 775c0b746e5SOllivier Robert * Default parameters. We use these in the absence of something better. 776c0b746e5SOllivier Robert */ 777c0b746e5SOllivier Robert #define INADDR_NTP 0xe0000101 /* NTP multicast address 224.0.1.1 */ 778224ba2bdSOllivier Robert 779c0b746e5SOllivier Robert /* 780c0b746e5SOllivier Robert * Structure used optionally for monitoring when this is turned on. 781c0b746e5SOllivier Robert */ 7822b15cb3dSCy Schubert typedef struct mon_data mon_entry; 783c0b746e5SOllivier Robert struct mon_data { 7842b15cb3dSCy Schubert mon_entry * hash_next; /* next structure in hash list */ 7852b15cb3dSCy Schubert DECL_DLIST_LINK(mon_entry, mru);/* MRU list link pointers */ 7862b15cb3dSCy Schubert struct interface * lcladr; /* address on which this arrived */ 7872b15cb3dSCy Schubert l_fp first; /* first time seen */ 7882b15cb3dSCy Schubert l_fp last; /* last time seen */ 7892b15cb3dSCy Schubert int leak; /* leaky bucket accumulator */ 7902b15cb3dSCy Schubert int count; /* total packet count */ 7912b15cb3dSCy Schubert u_short flags; /* restrict flags */ 7922b15cb3dSCy Schubert u_char vn_mode; /* packet mode & version */ 793c0b746e5SOllivier Robert u_char cast_flags; /* flags MDF_?CAST */ 7942b15cb3dSCy Schubert sockaddr_u rmtadr; /* address of remote host */ 795c0b746e5SOllivier Robert }; 796c0b746e5SOllivier Robert 797224ba2bdSOllivier Robert /* 7982b15cb3dSCy Schubert * Values for cast_flags in mon_entry and struct peer. mon_entry uses 7992b15cb3dSCy Schubert * only the first three, MDF_UCAST, MDF_MCAST, and MDF_BCAST. 800224ba2bdSOllivier Robert */ 8012b15cb3dSCy Schubert #define MDF_UCAST 0x01 /* unicast client */ 8022b15cb3dSCy Schubert #define MDF_MCAST 0x02 /* multicast server */ 8032b15cb3dSCy Schubert #define MDF_BCAST 0x04 /* broadcast server */ 8042b15cb3dSCy Schubert #define MDF_POOL 0x08 /* pool client solicitor */ 8052b15cb3dSCy Schubert #define MDF_ACAST 0x10 /* manycast client solicitor */ 8062b15cb3dSCy Schubert #define MDF_BCLNT 0x20 /* eph. broadcast/multicast client */ 8072b15cb3dSCy Schubert #define MDF_UCLNT 0x40 /* preemptible manycast or pool client */ 8082b15cb3dSCy Schubert /* 8092b15cb3dSCy Schubert * In the context of struct peer in ntpd, three of the cast_flags bits 8102b15cb3dSCy Schubert * represent configured associations which never receive packets, and 8112b15cb3dSCy Schubert * whose reach is always 0: MDF_BCAST, MDF_MCAST, and MDF_ACAST. The 8122b15cb3dSCy Schubert * last can be argued as responses are received, but those responses do 8132b15cb3dSCy Schubert * not affect the MDF_ACAST association's reach register, rather they 8142b15cb3dSCy Schubert * (may) result in mobilizing ephemeral MDF_ACLNT associations. 8152b15cb3dSCy Schubert */ 8162b15cb3dSCy Schubert #define MDF_TXONLY_MASK (MDF_BCAST | MDF_MCAST | MDF_ACAST | MDF_POOL) 8172b15cb3dSCy Schubert /* 8182b15cb3dSCy Schubert * manycastclient-like solicitor association cast_flags bits 8192b15cb3dSCy Schubert */ 8202b15cb3dSCy Schubert #define MDF_SOLICIT_MASK (MDF_ACAST | MDF_POOL) 821c0b746e5SOllivier Robert /* 822c0b746e5SOllivier Robert * Values used with mon_enabled to indicate reason for enabling monitoring 823c0b746e5SOllivier Robert */ 824c0b746e5SOllivier Robert #define MON_OFF 0x00 /* no monitoring */ 825c0b746e5SOllivier Robert #define MON_ON 0x01 /* monitoring explicitly enabled */ 826c0b746e5SOllivier Robert #define MON_RES 0x02 /* implicit monitoring for RES_LIMITED */ 827c0b746e5SOllivier Robert /* 828c0b746e5SOllivier Robert * Structure used for restrictlist entries 829c0b746e5SOllivier Robert */ 8302b15cb3dSCy Schubert typedef struct res_addr4_tag { 8312b15cb3dSCy Schubert u_int32 addr; /* IPv4 addr (host order) */ 8322b15cb3dSCy Schubert u_int32 mask; /* IPv4 mask (host order) */ 8332b15cb3dSCy Schubert } res_addr4; 8342b15cb3dSCy Schubert 8352b15cb3dSCy Schubert typedef struct res_addr6_tag { 8362b15cb3dSCy Schubert struct in6_addr addr; /* IPv6 addr (net order) */ 8372b15cb3dSCy Schubert struct in6_addr mask; /* IPv6 mask (net order) */ 8382b15cb3dSCy Schubert } res_addr6; 8392b15cb3dSCy Schubert 8402b15cb3dSCy Schubert typedef struct restrict_u_tag restrict_u; 8412b15cb3dSCy Schubert struct restrict_u_tag { 8422b15cb3dSCy Schubert restrict_u * link; /* link to next entry */ 8432b15cb3dSCy Schubert u_int32 count; /* number of packets matched */ 84409100258SXin LI u_short rflags; /* restrict (accesslist) flags */ 845c0b746e5SOllivier Robert u_short mflags; /* match flags */ 84609100258SXin LI short ippeerlimit; /* IP peer limit */ 8472d4e511cSCy Schubert int srvfuzrftpoll; /* server response: fuzz reftime */ 8482b15cb3dSCy Schubert u_long expire; /* valid until time */ 8492b15cb3dSCy Schubert union { /* variant starting here */ 8502b15cb3dSCy Schubert res_addr4 v4; 8512b15cb3dSCy Schubert res_addr6 v6; 8522b15cb3dSCy Schubert } u; 853c0b746e5SOllivier Robert }; 8542b15cb3dSCy Schubert #define V4_SIZEOF_RESTRICT_U (offsetof(restrict_u, u) \ 8552b15cb3dSCy Schubert + sizeof(res_addr4)) 8562b15cb3dSCy Schubert #define V6_SIZEOF_RESTRICT_U (offsetof(restrict_u, u) \ 8572b15cb3dSCy Schubert + sizeof(res_addr6)) 8589c2daa00SOllivier Robert 85909100258SXin LI typedef struct r4addr_tag r4addr; 86009100258SXin LI struct r4addr_tag { 86109100258SXin LI u_short rflags; /* match flags */ 86209100258SXin LI short ippeerlimit; /* IP peer limit */ 86309100258SXin LI }; 86409100258SXin LI 86509100258SXin LI char *build_iflags(u_int32 flags); 86609100258SXin LI char *build_mflags(u_short mflags); 86709100258SXin LI char *build_rflags(u_short rflags); 86809100258SXin LI 869c0b746e5SOllivier Robert /* 87009100258SXin LI * Restrict (Access) flags (rflags) 871c0b746e5SOllivier Robert */ 8722b15cb3dSCy Schubert #define RES_IGNORE 0x0001 /* ignore packet */ 8732b15cb3dSCy Schubert #define RES_DONTSERVE 0x0002 /* access denied */ 8742b15cb3dSCy Schubert #define RES_DONTTRUST 0x0004 /* authentication required */ 8752b15cb3dSCy Schubert #define RES_VERSION 0x0008 /* version mismatch */ 8762b15cb3dSCy Schubert #define RES_NOPEER 0x0010 /* new association denied */ 87709100258SXin LI #define RES_NOEPEER 0x0020 /* new ephemeral association denied */ 87809100258SXin LI #define RES_LIMITED 0x0040 /* packet rate exceeded */ 8799c2daa00SOllivier Robert #define RES_FLAGS (RES_IGNORE | RES_DONTSERVE |\ 8809c2daa00SOllivier Robert RES_DONTTRUST | RES_VERSION |\ 88109100258SXin LI RES_NOPEER | RES_NOEPEER | RES_LIMITED) 8829c2daa00SOllivier Robert 88309100258SXin LI #define RES_NOQUERY 0x0080 /* mode 6/7 packet denied */ 88409100258SXin LI #define RES_NOMODIFY 0x0100 /* mode 6/7 modify denied */ 88509100258SXin LI #define RES_NOTRAP 0x0200 /* mode 6/7 set trap denied */ 88609100258SXin LI #define RES_LPTRAP 0x0400 /* mode 6/7 low priority trap */ 8879c2daa00SOllivier Robert 88809100258SXin LI #define RES_KOD 0x0800 /* send kiss of death packet */ 88909100258SXin LI #define RES_MSSNTP 0x1000 /* enable MS-SNTP authentication */ 89009100258SXin LI #define RES_FLAKE 0x2000 /* flakeway - drop 10% */ 89109100258SXin LI #define RES_NOMRULIST 0x4000 /* mode 6 mrulist denied */ 8922d4e511cSCy Schubert 8932d4e511cSCy Schubert #define RES_SRVRSPFUZ 0x8000 /* Server response: fuzz */ 8942d4e511cSCy Schubert 8952d4e511cSCy Schubert #define RES_UNUSED 0x0000 /* Unused flag bits (none left) */ 8969c2daa00SOllivier Robert 8979c2daa00SOllivier Robert #define RES_ALLFLAGS (RES_FLAGS | RES_NOQUERY | \ 8989c2daa00SOllivier Robert RES_NOMODIFY | RES_NOTRAP | \ 8992b15cb3dSCy Schubert RES_LPTRAP | RES_KOD | \ 9002b15cb3dSCy Schubert RES_MSSNTP | RES_FLAKE | \ 9012d4e511cSCy Schubert RES_NOMRULIST | RES_SRVRSPFUZ ) 902c0b746e5SOllivier Robert 903c0b746e5SOllivier Robert /* 90409100258SXin LI * Match flags (mflags) 905c0b746e5SOllivier Robert */ 9062b15cb3dSCy Schubert #define RESM_INTERFACE 0x1000 /* this is an interface */ 9072b15cb3dSCy Schubert #define RESM_NTPONLY 0x2000 /* match source port 123 */ 9082b15cb3dSCy Schubert #define RESM_SOURCE 0x4000 /* from "restrict source" */ 909c0b746e5SOllivier Robert 910c0b746e5SOllivier Robert /* 911c0b746e5SOllivier Robert * Restriction configuration ops 912c0b746e5SOllivier Robert */ 91309100258SXin LI typedef enum 91409100258SXin LI restrict_ops { 91509100258SXin LI RESTRICT_FLAGS = 1, /* add rflags to restrict entry */ 91609100258SXin LI RESTRICT_UNFLAG, /* remove rflags from restrict entry */ 91709100258SXin LI RESTRICT_REMOVE, /* remove a restrict entry */ 91809100258SXin LI RESTRICT_REMOVEIF, /* remove an interface restrict entry */ 91909100258SXin LI } restrict_op; 920c0b746e5SOllivier Robert 921c0b746e5SOllivier Robert /* 922c0b746e5SOllivier Robert * Endpoint structure for the select algorithm 923c0b746e5SOllivier Robert */ 924c0b746e5SOllivier Robert struct endpoint { 925c0b746e5SOllivier Robert double val; /* offset of endpoint */ 926c0b746e5SOllivier Robert int type; /* interval entry/exit */ 927c0b746e5SOllivier Robert }; 928c0b746e5SOllivier Robert 929c0b746e5SOllivier Robert /* 930c0b746e5SOllivier Robert * Association matching AM[] return codes 931c0b746e5SOllivier Robert */ 932ea906c41SOllivier Robert #define AM_ERR -1 /* error */ 933ea906c41SOllivier Robert #define AM_NOMATCH 0 /* no match */ 934ea906c41SOllivier Robert #define AM_PROCPKT 1 /* server/symmetric packet */ 935ea906c41SOllivier Robert #define AM_BCST 2 /* broadcast packet */ 936ea906c41SOllivier Robert #define AM_FXMIT 3 /* client packet */ 9372b15cb3dSCy Schubert #define AM_MANYCAST 4 /* manycast or pool */ 938ea906c41SOllivier Robert #define AM_NEWPASS 5 /* new passive */ 939ea906c41SOllivier Robert #define AM_NEWBCL 6 /* new broadcast */ 940ea906c41SOllivier Robert #define AM_POSSBCL 7 /* discard broadcast */ 941c0b746e5SOllivier Robert 942c0b746e5SOllivier Robert /* NetInfo configuration locations */ 943c0b746e5SOllivier Robert #ifdef HAVE_NETINFO 944c0b746e5SOllivier Robert #define NETINFO_CONFIG_DIR "/config/ntp" 945c0b746e5SOllivier Robert #endif 946c0b746e5SOllivier Robert 9472b15cb3dSCy Schubert /* ntpq -c mrulist rows per request limit in ntpd */ 9482b15cb3dSCy Schubert #define MRU_ROW_LIMIT 256 9492b15cb3dSCy Schubert /* similar datagrams per response limit for ntpd */ 9502b15cb3dSCy Schubert #define MRU_FRAGS_LIMIT 128 951c0b746e5SOllivier Robert #endif /* NTP_H */ 952