mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-05 09:14:03 +00:00
511 lines
11 KiB
C
511 lines
11 KiB
C
/*
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* pretty printing of status information
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include "ntp_stdlib.h"
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#include "ntp_fp.h"
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#include "ntp.h"
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#include "lib_strbuf.h"
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#include "ntp_refclock.h"
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#include "ntp_control.h"
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#include "ntp_string.h"
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#ifdef KERNEL_PLL
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# include "ntp_syscall.h"
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#endif
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/*
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* Structure for turning various constants into a readable string.
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*/
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struct codestring {
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int code;
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const char * const string1;
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const char * const string0;
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};
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/*
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* Leap status (leap)
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*/
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static const struct codestring leap_codes[] = {
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{ LEAP_NOWARNING, "leap_none", 0 },
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{ LEAP_ADDSECOND, "leap_add_sec", 0 },
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{ LEAP_DELSECOND, "leap_del_sec", 0 },
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{ LEAP_NOTINSYNC, "leap_alarm", 0 },
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{ -1, "leap", 0 }
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};
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/*
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* Clock source status (sync)
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*/
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static const struct codestring sync_codes[] = {
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{ CTL_SST_TS_UNSPEC, "sync_unspec", 0 },
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{ CTL_SST_TS_ATOM, "sync_pps", 0 },
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{ CTL_SST_TS_LF, "sync_lf_radio", 0 },
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{ CTL_SST_TS_HF, "sync_hf_radio", 0 },
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{ CTL_SST_TS_UHF, "sync_uhf_radio", 0 },
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{ CTL_SST_TS_LOCAL, "sync_local", 0 },
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{ CTL_SST_TS_NTP, "sync_ntp", 0 },
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{ CTL_SST_TS_UDPTIME, "sync_other", 0 },
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{ CTL_SST_TS_WRSTWTCH, "sync_wristwatch", 0 },
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{ CTL_SST_TS_TELEPHONE, "sync_telephone", 0 },
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{ -1, "sync", 0 }
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};
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/*
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* Peer selection status (sel)
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*/
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static const struct codestring select_codes[] = {
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{ CTL_PST_SEL_REJECT, "sel_reject", 0 },
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{ CTL_PST_SEL_SANE, "sel_falsetick", 0 },
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{ CTL_PST_SEL_CORRECT, "sel_excess", 0 },
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{ CTL_PST_SEL_SELCAND, "sel_outlier", 0 },
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{ CTL_PST_SEL_SYNCCAND, "sel_candidate", 0 },
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{ CTL_PST_SEL_EXCESS, "sel_backup", 0 },
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{ CTL_PST_SEL_SYSPEER, "sel_sys.peer", 0 },
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{ CTL_PST_SEL_PPS, "sel_pps.peer", 0 },
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{ -1, "sel", 0 }
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};
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/*
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* Clock status (clk)
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*/
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static const struct codestring clock_codes[] = {
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{ CTL_CLK_OKAY, "clk_unspec", 0 },
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{ CTL_CLK_NOREPLY, "clk_no_reply", 0 },
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{ CTL_CLK_BADFORMAT, "clk_bad_format", 0 },
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{ CTL_CLK_FAULT, "clk_fault", 0 },
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{ CTL_CLK_PROPAGATION, "clk_bad_signal", 0 },
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{ CTL_CLK_BADDATE, "clk_bad_date", 0 },
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{ CTL_CLK_BADTIME, "clk_bad_time", 0 },
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{ -1, "clk", 0 }
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};
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#ifdef FLASH_CODES_UNUSED
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/*
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* Flash bits -- see ntpq.c tstflags & tstflagnames
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*/
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static const struct codestring flash_codes[] = {
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{ TEST1, "pkt_dup", 0 },
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{ TEST2, "pkt_bogus", 0 },
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{ TEST3, "pkt_unsync", 0 },
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{ TEST4, "pkt_denied", 0 },
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{ TEST5, "pkt_auth", 0 },
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{ TEST6, "pkt_stratum", 0 },
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{ TEST7, "pkt_header", 0 },
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{ TEST8, "pkt_autokey", 0 },
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{ TEST9, "pkt_crypto", 0 },
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{ TEST10, "peer_stratum", 0 },
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{ TEST11, "peer_dist", 0 },
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{ TEST12, "peer_loop", 0 },
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{ TEST13, "peer_unreach", 0 },
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{ -1, "flash", 0 }
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};
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#endif
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/*
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* System events (sys)
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*/
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static const struct codestring sys_codes[] = {
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{ EVNT_UNSPEC, "unspecified", 0 },
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{ EVNT_NSET, "freq_not_set", 0 },
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{ EVNT_FSET, "freq_set", 0 },
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{ EVNT_SPIK, "spike_detect", 0 },
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{ EVNT_FREQ, "freq_mode", 0 },
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{ EVNT_SYNC, "clock_sync", 0 },
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{ EVNT_SYSRESTART, "restart", 0 },
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{ EVNT_SYSFAULT, "panic_stop", 0 },
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{ EVNT_NOPEER, "no_sys_peer", 0 },
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{ EVNT_ARMED, "leap_armed", 0 },
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{ EVNT_DISARMED, "leap_disarmed", 0 },
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{ EVNT_LEAP, "leap_event", 0 },
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{ EVNT_CLOCKRESET, "clock_step", 0 },
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{ EVNT_KERN, "kern", 0 },
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{ EVNT_TAI, "TAI", 0 },
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{ EVNT_LEAPVAL, "stale_leapsecond_values", 0 },
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{ -1, "", 0 }
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};
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/*
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* Peer events (peer)
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*/
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static const struct codestring peer_codes[] = {
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{ PEVNT_MOBIL & ~PEER_EVENT, "mobilize", 0 },
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{ PEVNT_DEMOBIL & ~PEER_EVENT, "demobilize", 0 },
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{ PEVNT_UNREACH & ~PEER_EVENT, "unreachable", 0 },
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{ PEVNT_REACH & ~PEER_EVENT, "reachable", 0 },
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{ PEVNT_RESTART & ~PEER_EVENT, "restart", 0 },
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{ PEVNT_REPLY & ~PEER_EVENT, "no_reply", 0 },
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{ PEVNT_RATE & ~PEER_EVENT, "rate_exceeded", 0 },
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{ PEVNT_DENY & ~PEER_EVENT, "access_denied", 0 },
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{ PEVNT_ARMED & ~PEER_EVENT, "leap_armed", 0 },
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{ PEVNT_NEWPEER & ~PEER_EVENT, "sys_peer", 0 },
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{ PEVNT_CLOCK & ~PEER_EVENT, "clock_event", 0 },
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{ PEVNT_AUTH & ~PEER_EVENT, "bad_auth", 0 },
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{ PEVNT_POPCORN & ~PEER_EVENT, "popcorn", 0 },
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{ PEVNT_XLEAVE & ~PEER_EVENT, "interleave_mode", 0 },
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{ PEVNT_XERR & ~PEER_EVENT, "interleave_error", 0 },
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{ -1, "", 0 }
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};
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/*
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* Peer status bits
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*/
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static const struct codestring peer_st_bits[] = {
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{ CTL_PST_CONFIG, "conf", 0 },
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{ CTL_PST_AUTHENABLE, "authenb", 0 },
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{ CTL_PST_AUTHENTIC, "auth", 0 },
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{ CTL_PST_REACH, "reach", 0 },
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{ CTL_PST_BCAST, "bcast", 0 },
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/* not used with getcode(), no terminating entry needed */
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};
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/*
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* Restriction match bits
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*/
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static const struct codestring res_match_bits[] = {
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{ RESM_NTPONLY, "ntpport", 0 },
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{ RESM_INTERFACE, "interface", 0 },
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{ RESM_SOURCE, "source", 0 },
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/* not used with getcode(), no terminating entry needed */
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};
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/*
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* Restriction access bits
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*/
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static const struct codestring res_access_bits[] = {
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{ RES_IGNORE, "ignore", 0 },
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{ RES_DONTSERVE, "noserve", "serve" },
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{ RES_DONTTRUST, "notrust", "trust" },
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{ RES_NOQUERY, "noquery", "query" },
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{ RES_NOMODIFY, "nomodify", 0 },
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{ RES_NOPEER, "nopeer", "peer" },
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{ RES_NOEPEER, "noepeer", "epeer" },
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{ RES_NOTRAP, "notrap", "trap" },
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{ RES_LPTRAP, "lptrap", 0 },
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{ RES_LIMITED, "limited", 0 },
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{ RES_VERSION, "version", 0 },
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{ RES_KOD, "kod", 0 },
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{ RES_FLAKE, "flake", 0 },
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/* not used with getcode(), no terminating entry needed */
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};
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#ifdef AUTOKEY
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/*
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* Crypto events (cryp)
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*/
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static const struct codestring crypto_codes[] = {
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{ XEVNT_OK & ~CRPT_EVENT, "success", 0 },
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{ XEVNT_LEN & ~CRPT_EVENT, "bad_field_format_or_length", 0 },
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{ XEVNT_TSP & ~CRPT_EVENT, "bad_timestamp", 0 },
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{ XEVNT_FSP & ~CRPT_EVENT, "bad_filestamp", 0 },
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{ XEVNT_PUB & ~CRPT_EVENT, "bad_or_missing_public_key", 0 },
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{ XEVNT_MD & ~CRPT_EVENT, "unsupported_digest_type", 0 },
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{ XEVNT_KEY & ~CRPT_EVENT, "unsupported_identity_type", 0 },
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{ XEVNT_SGL & ~CRPT_EVENT, "bad_signature_length", 0 },
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{ XEVNT_SIG & ~CRPT_EVENT, "signature_not_verified", 0 },
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{ XEVNT_VFY & ~CRPT_EVENT, "certificate_not_verified", 0 },
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{ XEVNT_PER & ~CRPT_EVENT, "host_certificate_expired", 0 },
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{ XEVNT_CKY & ~CRPT_EVENT, "bad_or_missing_cookie", 0 },
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{ XEVNT_DAT & ~CRPT_EVENT, "bad_or_missing_leapseconds", 0 },
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{ XEVNT_CRT & ~CRPT_EVENT, "bad_or_missing_certificate", 0 },
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{ XEVNT_ID & ~CRPT_EVENT, "bad_or_missing_group key", 0 },
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{ XEVNT_ERR & ~CRPT_EVENT, "protocol_error", 0 },
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{ -1, "", 0 }
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};
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#endif /* AUTOKEY */
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#ifdef KERNEL_PLL
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/*
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* kernel discipline status bits
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*/
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static const struct codestring k_st_bits[] = {
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# ifdef STA_PLL
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{ STA_PLL, "pll", 0 },
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# endif
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# ifdef STA_PPSFREQ
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{ STA_PPSFREQ, "ppsfreq", 0 },
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# endif
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# ifdef STA_PPSTIME
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{ STA_PPSTIME, "ppstime", 0 },
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# endif
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# ifdef STA_FLL
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{ STA_FLL, "fll", 0 },
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# endif
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# ifdef STA_INS
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{ STA_INS, "ins", 0 },
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# endif
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# ifdef STA_DEL
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{ STA_DEL, "del", 0 },
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# endif
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# ifdef STA_UNSYNC
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{ STA_UNSYNC, "unsync", 0 },
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# endif
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# ifdef STA_FREQHOLD
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{ STA_FREQHOLD, "freqhold", 0 },
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# endif
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# ifdef STA_PPSSIGNAL
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{ STA_PPSSIGNAL, "ppssignal", 0 },
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# endif
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# ifdef STA_PPSJITTER
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{ STA_PPSJITTER, "ppsjitter", 0 },
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# endif
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# ifdef STA_PPSWANDER
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{ STA_PPSWANDER, "ppswander", 0 },
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# endif
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# ifdef STA_PPSERROR
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{ STA_PPSERROR, "ppserror", 0 },
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# endif
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# ifdef STA_CLOCKERR
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{ STA_CLOCKERR, "clockerr", 0 },
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# endif
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# ifdef STA_NANO
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{ STA_NANO, "nano", 0 },
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# endif
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# ifdef STA_MODE
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{ STA_MODE, "mode=fll", 0 },
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# endif
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# ifdef STA_CLK
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{ STA_CLK, "src=B", 0 },
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# endif
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/* not used with getcode(), no terminating entry needed */
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};
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#endif /* KERNEL_PLL */
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/* Forwards */
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static const char * getcode(int, const struct codestring *);
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static const char * getevents(int);
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static const char * peer_st_flags(u_char pst);
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/*
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* getcode - return string corresponding to code
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*/
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static const char *
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getcode(
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int code,
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const struct codestring * codetab
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)
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{
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char * buf;
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while (codetab->code != -1) {
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if (codetab->code == code)
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return codetab->string1;
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codetab++;
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}
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LIB_GETBUF(buf);
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snprintf(buf, LIB_BUFLENGTH, "%s_%d", codetab->string1, code);
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return buf;
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}
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/*
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* getevents - return a descriptive string for the event count
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*/
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static const char *
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getevents(
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int cnt
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)
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{
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char * buf;
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if (cnt == 0)
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return "no events";
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LIB_GETBUF(buf);
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snprintf(buf, LIB_BUFLENGTH, "%d event%s", cnt,
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(1 == cnt)
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? ""
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: "s");
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return buf;
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}
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/*
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* decode_bitflags()
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*
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* returns a human-readable string with a keyword from tab for each bit
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* set in bits, separating multiple entries with text of sep2.
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*/
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static const char *
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decode_bitflags(
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int bits,
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const char * sep2,
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const struct codestring * tab,
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size_t tab_ct
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)
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{
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const char * sep;
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char * buf;
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char * pch;
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char * lim;
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size_t b;
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int rc;
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int saved_errno; /* for use in DPRINTF with %m */
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saved_errno = errno;
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LIB_GETBUF(buf);
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pch = buf;
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lim = buf + LIB_BUFLENGTH;
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sep = "";
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for (b = 0; b < tab_ct; b++) {
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const char * flagstr;
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if (tab[b].code & bits) {
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flagstr = tab[b].string1;
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} else {
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flagstr = tab[b].string0;
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}
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if (flagstr) {
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size_t avail = lim - pch;
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rc = snprintf(pch, avail, "%s%s", sep,
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flagstr);
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if ((size_t)rc >= avail)
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goto toosmall;
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pch += rc;
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sep = sep2;
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}
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}
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return buf;
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toosmall:
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snprintf(buf, LIB_BUFLENGTH,
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"decode_bitflags(%s) can't decode 0x%x in %d bytes",
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(tab == peer_st_bits)
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? "peer_st"
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:
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#ifdef KERNEL_PLL
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(tab == k_st_bits)
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? "kern_st"
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:
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#endif
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"",
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bits, (int)LIB_BUFLENGTH);
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errno = saved_errno;
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return buf;
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}
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static const char *
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peer_st_flags(
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u_char pst
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)
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{
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return decode_bitflags(pst, ", ", peer_st_bits,
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COUNTOF(peer_st_bits));
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}
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const char *
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res_match_flags(
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u_short mf
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)
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{
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return decode_bitflags(mf, " ", res_match_bits,
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COUNTOF(res_match_bits));
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}
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const char *
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res_access_flags(
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u_short af
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)
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{
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return decode_bitflags(af, " ", res_access_bits,
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COUNTOF(res_access_bits));
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}
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#ifdef KERNEL_PLL
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const char *
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k_st_flags(
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u_int32 st
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)
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{
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return decode_bitflags(st, " ", k_st_bits, COUNTOF(k_st_bits));
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}
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#endif /* KERNEL_PLL */
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/*
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* statustoa - return a descriptive string for a peer status
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*/
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char *
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statustoa(
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int type,
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int st
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)
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{
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char * cb;
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char * cc;
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u_char pst;
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LIB_GETBUF(cb);
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switch (type) {
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case TYPE_SYS:
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snprintf(cb, LIB_BUFLENGTH, "%s, %s, %s, %s",
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getcode(CTL_SYS_LI(st), leap_codes),
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getcode(CTL_SYS_SOURCE(st), sync_codes),
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getevents(CTL_SYS_NEVNT(st)),
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getcode(CTL_SYS_EVENT(st), sys_codes));
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break;
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case TYPE_PEER:
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pst = (u_char)CTL_PEER_STATVAL(st);
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snprintf(cb, LIB_BUFLENGTH, "%s, %s, %s",
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peer_st_flags(pst),
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getcode(pst & 0x7, select_codes),
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getevents(CTL_PEER_NEVNT(st)));
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if (CTL_PEER_EVENT(st) != EVNT_UNSPEC) {
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cc = cb + strlen(cb);
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snprintf(cc, LIB_BUFLENGTH - (cc - cb), ", %s",
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getcode(CTL_PEER_EVENT(st),
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peer_codes));
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}
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break;
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case TYPE_CLOCK:
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snprintf(cb, LIB_BUFLENGTH, "%s, %s",
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getevents(CTL_SYS_NEVNT(st)),
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getcode((st) & 0xf, clock_codes));
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break;
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}
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return cb;
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}
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const char *
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eventstr(
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int num
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)
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{
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if (num & PEER_EVENT)
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return (getcode(num & ~PEER_EVENT, peer_codes));
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#ifdef AUTOKEY
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else if (num & CRPT_EVENT)
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return (getcode(num & ~CRPT_EVENT, crypto_codes));
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#endif /* AUTOKEY */
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else
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return (getcode(num, sys_codes));
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}
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const char *
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ceventstr(
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int num
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)
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{
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return getcode(num, clock_codes);
|
|
}
|