3294 lines
67 KiB
C
3294 lines
67 KiB
C
/*
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* ntpq - query an NTP server using mode 6 commands
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include "ntpq.h"
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#include "ntp_unixtime.h"
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#include "ntp_calendar.h"
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#include "ntp_io.h"
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#include "ntp_select.h"
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#include "ntp_stdlib.h"
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/* Don't include ISC's version of IPv6 variables and structures */
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#define ISC_IPV6_H 1
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#include "isc/net.h"
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#include "isc/result.h"
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#include "ntpq-opts.h"
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#ifdef SYS_WINNT
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# include <Mswsock.h>
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# include <io.h>
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#else
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# define closesocket close
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#endif /* SYS_WINNT */
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#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDIT)
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# include <readline/readline.h>
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# include <readline/history.h>
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#endif /* HAVE_LIBREADLINE || HAVE_LIBEDIT */
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#ifdef SYS_VXWORKS
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/* vxWorks needs mode flag -casey*/
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# define open(name, flags) open(name, flags, 0777)
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# define SERVER_PORT_NUM 123
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#endif
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/* we use COMMAND as an autogen keyword */
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#ifdef COMMAND
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# undef COMMAND
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#endif
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/*
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* Because we potentially understand a lot of commands we will run
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* interactive if connected to a terminal.
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*/
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int interactive = 0; /* set to 1 when we should prompt */
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const char *prompt = "ntpq> "; /* prompt to ask him about */
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/*
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* for get_systime()
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*/
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s_char sys_precision; /* local clock precision (log2 s) */
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/*
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* Keyid used for authenticated requests. Obtained on the fly.
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*/
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u_long info_auth_keyid = 0;
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/*
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* Type of key md5
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*/
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#define KEY_TYPE_MD5 4
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static int info_auth_keytype = KEY_TYPE_MD5; /* MD5 */
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u_long current_time; /* needed by authkeys; not used */
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/*
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* Flag which indicates we should always send authenticated requests
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*/
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int always_auth = 0;
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/*
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* Flag which indicates raw mode output.
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*/
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int rawmode = 0;
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/*
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* Packet version number we use
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*/
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u_char pktversion = NTP_OLDVERSION + 1;
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/*
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* Don't jump if no set jmp.
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*/
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volatile int jump = 0;
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/*
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* Format values
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*/
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#define PADDING 0
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#define TS 1 /* time stamp */
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#define FL 2 /* l_fp type value */
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#define FU 3 /* u_fp type value */
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#define FS 4 /* s_fp type value */
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#define UI 5 /* unsigned integer value */
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#define SI 6 /* signed integer value */
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#define HA 7 /* host address */
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#define NA 8 /* network address */
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#define ST 9 /* string value */
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#define RF 10 /* refid (sometimes string, sometimes not) */
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#define LP 11 /* leap (print in binary) */
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#define OC 12 /* integer, print in octal */
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#define MD 13 /* mode */
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#define AR 14 /* array of times */
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#define FX 15 /* test flags */
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#define EOV 255 /* end of table */
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/*
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* System variable values. The array can be indexed by
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* the variable index to find the textual name.
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*/
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struct ctl_var sys_var[] = {
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{ 0, PADDING, "" }, /* 0 */
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{ CS_LEAP, LP, "leap" }, /* 1 */
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{ CS_STRATUM, UI, "stratum" }, /* 2 */
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{ CS_PRECISION, SI, "precision" }, /* 3 */
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{ CS_ROOTDELAY, FS, "rootdelay" }, /* 4 */
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{ CS_ROOTDISPERSION, FU, "rootdispersion" }, /* 5 */
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{ CS_REFID, RF, "refid" }, /* 6 */
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{ CS_REFTIME, TS, "reftime" }, /* 7 */
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{ CS_POLL, UI, "poll" }, /* 8 */
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{ CS_PEERID, UI, "peer" }, /* 9 */
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{ CS_STATE, UI, "state" }, /* 10 */
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{ CS_OFFSET, FL, "offset" }, /* 11 */
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{ CS_DRIFT, FS, "frequency" }, /* 12 */
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{ CS_JITTER, FU, "jitter" }, /* 13 */
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{ CS_CLOCK, TS, "clock" }, /* 14 */
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{ CS_PROCESSOR, ST, "processor" }, /* 15 */
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{ CS_SYSTEM, ST, "system" }, /* 16 */
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{ CS_VERSION, ST, "version" }, /* 17 */
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{ CS_STABIL, FS, "stability" }, /* 18 */
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{ CS_VARLIST, ST, "sys_var_list" }, /* 19 */
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{ 0, EOV, "" }
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};
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/*
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* Peer variable list
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*/
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struct ctl_var peer_var[] = {
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{ 0, PADDING, "" }, /* 0 */
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{ CP_CONFIG, UI, "config" }, /* 1 */
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{ CP_AUTHENABLE, UI, "authenable" }, /* 2 */
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{ CP_AUTHENTIC, UI, "authentic" }, /* 3 */
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{ CP_SRCADR, HA, "srcadr" }, /* 4 */
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{ CP_SRCPORT, UI, "srcport" }, /* 5 */
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{ CP_DSTADR, NA, "dstadr" }, /* 6 */
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{ CP_DSTPORT, UI, "dstport" }, /* 7 */
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{ CP_LEAP, LP, "leap" }, /* 8 */
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{ CP_HMODE, MD, "hmode" }, /* 9 */
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{ CP_STRATUM, UI, "stratum" }, /* 10 */
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{ CP_PPOLL, UI, "ppoll" }, /* 11 */
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{ CP_HPOLL, UI, "hpoll" }, /* 12 */
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{ CP_PRECISION, SI, "precision" }, /* 13 */
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{ CP_ROOTDELAY, FS, "rootdelay" }, /* 14 */
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{ CP_ROOTDISPERSION, FU, "rootdispersion" }, /* 15 */
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{ CP_REFID, RF, "refid" }, /* 16 */
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{ CP_REFTIME, TS, "reftime" }, /* 17 */
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{ CP_ORG, TS, "org" }, /* 18 */
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{ CP_REC, TS, "rec" }, /* 19 */
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{ CP_XMT, TS, "xmt" }, /* 20 */
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{ CP_REACH, OC, "reach" }, /* 21 */
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{ CP_UNREACH, UI, "unreach" }, /* 22 */
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{ CP_TIMER, UI, "timer" }, /* 23 */
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{ CP_DELAY, FS, "delay" }, /* 24 */
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{ CP_OFFSET, FL, "offset" }, /* 25 */
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{ CP_JITTER, FU, "jitter" }, /* 26 */
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{ CP_DISPERSION, FU, "dispersion" }, /* 27 */
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{ CP_KEYID, UI, "keyid" }, /* 28 */
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{ CP_FILTDELAY, AR, "filtdelay" }, /* 29 */
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{ CP_FILTOFFSET, AR, "filtoffset" }, /* 30 */
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{ CP_PMODE, ST, "pmode" }, /* 31 */
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{ CP_RECEIVED, UI, "received" }, /* 32 */
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{ CP_SENT, UI, "sent" }, /* 33 */
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{ CP_FILTERROR, AR, "filtdisp" }, /* 34 */
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{ CP_FLASH, FX, "flash" }, /* 35 */
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{ CP_TTL, UI, "ttl" }, /* 36 */
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/*
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* These are duplicate entries so that we can
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* process deviant version of the ntp protocol.
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*/
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{ CP_SRCADR, HA, "peeraddr" }, /* 4 */
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{ CP_SRCPORT, UI, "peerport" }, /* 5 */
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{ CP_PPOLL, UI, "peerpoll" }, /* 11 */
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{ CP_HPOLL, UI, "hostpoll" }, /* 12 */
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{ CP_FILTERROR, AR, "filterror" }, /* 34 */
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{ 0, EOV, "" }
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};
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/*
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* Clock variable list
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*/
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struct ctl_var clock_var[] = {
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{ 0, PADDING, "" }, /* 0 */
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{ CC_TYPE, UI, "type" }, /* 1 */
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{ CC_TIMECODE, ST, "timecode" }, /* 2 */
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{ CC_POLL, UI, "poll" }, /* 3 */
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{ CC_NOREPLY, UI, "noreply" }, /* 4 */
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{ CC_BADFORMAT, UI, "badformat" }, /* 5 */
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{ CC_BADDATA, UI, "baddata" }, /* 6 */
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{ CC_FUDGETIME1, FL, "fudgetime1" }, /* 7 */
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{ CC_FUDGETIME2, FL, "fudgetime2" }, /* 8 */
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{ CC_FUDGEVAL1, UI, "stratum" }, /* 9 */
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{ CC_FUDGEVAL2, RF, "refid" }, /* 10 */
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{ CC_FLAGS, UI, "flags" }, /* 11 */
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{ CC_DEVICE, ST, "device" }, /* 12 */
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{ 0, EOV, "" }
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};
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/*
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* flasher bits
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*/
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static const char *tstflagnames[] = {
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"pkt_dup", /* TEST1 */
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"pkt_bogus", /* TEST2 */
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"pkt_proto", /* TEST3 */
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"pkt_denied", /* TEST4 */
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"pkt_auth", /* TEST5 */
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"pkt_synch", /* TEST6 */
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"pkt_dist", /* TEST7 */
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"pkt_autokey", /* TEST8 */
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"pkt_crypto", /* TEST9 */
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"peer_stratum", /* TEST10 */
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"peer_dist", /* TEST11 */
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"peer_loop", /* TEST12 */
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"peer_unfit" /* TEST13 */
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};
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int ntpqmain P((int, char **));
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/*
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* Built in command handler declarations
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*/
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static int openhost P((const char *));
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static int sendpkt P((char *, int));
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static int getresponse P((int, int, u_short *, int *, char **, int));
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static int sendrequest P((int, int, int, int, char *));
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static char * tstflags P((u_long));
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static void getcmds P((void));
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static RETSIGTYPE abortcmd P((int));
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static void docmd P((const char *));
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static void tokenize P((const char *, char **, int *));
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static int findcmd P((char *, struct xcmd *, struct xcmd *, struct xcmd **));
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static int getarg P((char *, int, arg_v *));
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static int rtdatetolfp P((char *, l_fp *));
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static int decodearr P((char *, int *, l_fp *));
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static void help P((struct parse *, FILE *));
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#ifdef QSORT_USES_VOID_P
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static int helpsort P((const void *, const void *));
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#else
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static int helpsort P((char **, char **));
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#endif
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static void printusage P((struct xcmd *, FILE *));
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static void timeout P((struct parse *, FILE *));
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static void auth_delay P((struct parse *, FILE *));
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static void host P((struct parse *, FILE *));
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static void ntp_poll P((struct parse *, FILE *));
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static void keyid P((struct parse *, FILE *));
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static void keytype P((struct parse *, FILE *));
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static void passwd P((struct parse *, FILE *));
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static void hostnames P((struct parse *, FILE *));
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static void setdebug P((struct parse *, FILE *));
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static void quit P((struct parse *, FILE *));
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static void version P((struct parse *, FILE *));
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static void raw P((struct parse *, FILE *));
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static void cooked P((struct parse *, FILE *));
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static void authenticate P((struct parse *, FILE *));
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static void ntpversion P((struct parse *, FILE *));
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static void warning P((const char *, const char *, const char *));
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static void error P((const char *, const char *, const char *));
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static u_long getkeyid P((const char *));
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static void atoascii P((int, char *, char *));
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static void makeascii P((int, char *, FILE *));
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static void rawprint P((int, int, char *, int, FILE *));
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static void startoutput P((void));
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static void output P((FILE *, char *, char *));
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static void endoutput P((FILE *));
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static void outputarr P((FILE *, char *, int, l_fp *));
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static void cookedprint P((int, int, char *, int, FILE *));
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#ifdef QSORT_USES_VOID_P
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static int assoccmp P((const void *, const void *));
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#else
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static int assoccmp P((struct association *, struct association *));
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#endif /* sgi || bsdi */
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/*
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* Built-in commands we understand
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*/
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struct xcmd builtins[] = {
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{ "?", help, { OPT|NTP_STR, NO, NO, NO },
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{ "command", "", "", "" },
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"tell the use and syntax of commands" },
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{ "help", help, { OPT|NTP_STR, NO, NO, NO },
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{ "command", "", "", "" },
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"tell the use and syntax of commands" },
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{ "timeout", timeout, { OPT|NTP_UINT, NO, NO, NO },
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{ "msec", "", "", "" },
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"set the primary receive time out" },
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{ "delay", auth_delay, { OPT|NTP_INT, NO, NO, NO },
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{ "msec", "", "", "" },
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"set the delay added to encryption time stamps" },
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{ "host", host, { OPT|NTP_STR, OPT|NTP_STR, NO, NO },
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{ "-4|-6", "hostname", "", "" },
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"specify the host whose NTP server we talk to" },
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{ "poll", ntp_poll, { OPT|NTP_UINT, OPT|NTP_STR, NO, NO },
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{ "n", "verbose", "", "" },
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"poll an NTP server in client mode `n' times" },
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{ "passwd", passwd, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"specify a password to use for authenticated requests"},
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{ "hostnames", hostnames, { OPT|NTP_STR, NO, NO, NO },
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{ "yes|no", "", "", "" },
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"specify whether hostnames or net numbers are printed"},
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{ "debug", setdebug, { OPT|NTP_STR, NO, NO, NO },
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{ "no|more|less", "", "", "" },
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"set/change debugging level" },
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{ "quit", quit, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"exit ntpq" },
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{ "exit", quit, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"exit ntpq" },
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{ "keyid", keyid, { OPT|NTP_UINT, NO, NO, NO },
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{ "key#", "", "", "" },
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"set keyid to use for authenticated requests" },
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{ "version", version, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"print version number" },
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{ "raw", raw, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"do raw mode variable output" },
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{ "cooked", cooked, { NO, NO, NO, NO },
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{ "", "", "", "" },
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"do cooked mode variable output" },
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{ "authenticate", authenticate, { OPT|NTP_STR, NO, NO, NO },
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{ "yes|no", "", "", "" },
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"always authenticate requests to this server" },
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{ "ntpversion", ntpversion, { OPT|NTP_UINT, NO, NO, NO },
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{ "version number", "", "", "" },
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"set the NTP version number to use for requests" },
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{ "keytype", keytype, { OPT|NTP_STR, NO, NO, NO },
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{ "key type (md5|des)", "", "", "" },
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"set key type to use for authenticated requests (des|md5)" },
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{ 0, 0, { NO, NO, NO, NO },
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{ "", "", "", "" }, "" }
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};
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/*
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* Default values we use.
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*/
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#define DEFTIMEOUT (5) /* 5 second time out */
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#define DEFSTIMEOUT (2) /* 2 second time out after first */
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#define DEFDELAY 0x51EB852 /* 20 milliseconds, l_fp fraction */
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#define DEFHOST "localhost" /* default host name */
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#define LENHOSTNAME 256 /* host name is 256 characters long */
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#define MAXCMDS 100 /* maximum commands on cmd line */
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#define MAXHOSTS 200 /* maximum hosts on cmd line */
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#define MAXLINE 512 /* maximum line length */
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#define MAXTOKENS (1+MAXARGS+2) /* maximum number of usable tokens */
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#define MAXVARLEN 256 /* maximum length of a variable name */
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#define MAXVALLEN 400 /* maximum length of a variable value */
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#define MAXOUTLINE 72 /* maximum length of an output line */
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#define SCREENWIDTH 76 /* nominal screen width in columns */
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/*
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* Some variables used and manipulated locally
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*/
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struct timeval tvout = { DEFTIMEOUT, 0 }; /* time out for reads */
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struct timeval tvsout = { DEFSTIMEOUT, 0 }; /* secondary time out */
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l_fp delay_time; /* delay time */
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char currenthost[LENHOSTNAME]; /* current host name */
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struct sockaddr_in hostaddr = { 0 }; /* host address */
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int showhostnames = 1; /* show host names by default */
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int ai_fam_templ; /* address family */
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int ai_fam_default; /* default address family */
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SOCKET sockfd; /* fd socket is opened on */
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int havehost = 0; /* set to 1 when host open */
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int s_port = 0;
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struct servent *server_entry = NULL; /* server entry for ntp */
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#ifdef SYS_WINNT
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DWORD NumberOfBytesWritten;
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HANDLE TimerThreadHandle = NULL; /* 1998/06/03 - Used in ntplib/machines.c */
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void timer(void) { ; }; /* 1998/06/03 - Used in ntplib/machines.c */
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#endif /* SYS_WINNT */
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/*
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* Sequence number used for requests. It is incremented before
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* it is used.
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*/
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u_short sequence;
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/*
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* Holds data returned from queries. Declare buffer long to be sure of
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* alignment.
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*/
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#define MAXFRAGS 24 /* maximum number of fragments */
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#define DATASIZE (MAXFRAGS*480) /* maximum amount of data */
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long pktdata[DATASIZE/sizeof(long)];
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/*
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* Holds association data for use with the &n operator.
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*/
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struct association assoc_cache[MAXASSOC];
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int numassoc = 0; /* number of cached associations */
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/*
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* For commands typed on the command line (with the -c option)
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*/
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int numcmds = 0;
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const char *ccmds[MAXCMDS];
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#define ADDCMD(cp) if (numcmds < MAXCMDS) ccmds[numcmds++] = (cp)
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/*
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* When multiple hosts are specified.
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*/
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int numhosts = 0;
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const char *chosts[MAXHOSTS];
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#define ADDHOST(cp) if (numhosts < MAXHOSTS) chosts[numhosts++] = (cp)
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/*
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* Error codes for internal use
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*/
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#define ERR_UNSPEC 256
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#define ERR_INCOMPLETE 257
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#define ERR_TIMEOUT 258
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#define ERR_TOOMUCH 259
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/*
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* Macro definitions we use
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*/
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#define ISSPACE(c) ((c) == ' ' || (c) == '\t')
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#define ISEOL(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
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#define STREQ(a, b) (*(a) == *(b) && strcmp((a), (b)) == 0)
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/*
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* Jump buffer for longjumping back to the command level
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*/
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jmp_buf interrupt_buf;
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/*
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* Points at file being currently printed into
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*/
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FILE *current_output;
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/*
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* Command table imported from ntpdc_ops.c
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*/
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extern struct xcmd opcmds[];
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|
|
|
char *progname;
|
|
volatile int debug;
|
|
|
|
#ifdef NO_MAIN_ALLOWED
|
|
CALL(ntpq,"ntpq",ntpqmain);
|
|
|
|
void clear_globals(void)
|
|
{
|
|
extern int ntp_optind;
|
|
showhostnames = 0; /* don'tshow host names by default */
|
|
ntp_optind = 0;
|
|
server_entry = NULL; /* server entry for ntp */
|
|
havehost = 0; /* set to 1 when host open */
|
|
numassoc = 0; /* number of cached associations */
|
|
numcmds = 0;
|
|
numhosts = 0;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* main - parse arguments and handle options
|
|
*/
|
|
#ifndef NO_MAIN_ALLOWED
|
|
int
|
|
main(
|
|
int argc,
|
|
char *argv[]
|
|
)
|
|
{
|
|
return ntpqmain(argc, argv);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
ntpqmain(
|
|
int argc,
|
|
char *argv[]
|
|
)
|
|
{
|
|
extern int ntp_optind;
|
|
|
|
#ifdef SYS_VXWORKS
|
|
clear_globals();
|
|
taskPrioritySet(taskIdSelf(), 100 );
|
|
#endif
|
|
|
|
delay_time.l_ui = 0;
|
|
delay_time.l_uf = DEFDELAY;
|
|
|
|
#ifdef SYS_WINNT
|
|
if (!Win32InitSockets())
|
|
{
|
|
fprintf(stderr, "No useable winsock.dll:");
|
|
exit(1);
|
|
}
|
|
#endif /* SYS_WINNT */
|
|
|
|
/* Check to see if we have IPv6. Otherwise force the -4 flag */
|
|
if (isc_net_probeipv6() != ISC_R_SUCCESS) {
|
|
ai_fam_default = AF_INET;
|
|
}
|
|
|
|
progname = argv[0];
|
|
|
|
{
|
|
int optct = optionProcess(&ntpqOptions, argc, argv);
|
|
argc -= optct;
|
|
argv += optct;
|
|
}
|
|
|
|
switch (WHICH_IDX_IPV4) {
|
|
case INDEX_OPT_IPV4:
|
|
ai_fam_templ = AF_INET;
|
|
break;
|
|
case INDEX_OPT_IPV6:
|
|
ai_fam_templ = AF_INET6;
|
|
break;
|
|
default:
|
|
ai_fam_templ = ai_fam_default;
|
|
break;
|
|
}
|
|
|
|
if (HAVE_OPT(COMMAND)) {
|
|
int cmdct = STACKCT_OPT( COMMAND );
|
|
const char** cmds = STACKLST_OPT( COMMAND );
|
|
|
|
while (cmdct-- > 0) {
|
|
ADDCMD(*cmds++);
|
|
}
|
|
}
|
|
|
|
debug = DESC(DEBUG_LEVEL).optOccCt;
|
|
|
|
if (HAVE_OPT(INTERACTIVE)) {
|
|
interactive = 1;
|
|
}
|
|
|
|
if (HAVE_OPT(NUMERIC)) {
|
|
showhostnames = 0;
|
|
}
|
|
|
|
if (HAVE_OPT(PEERS)) {
|
|
ADDCMD("peers");
|
|
}
|
|
|
|
#if 0
|
|
while ((c = ntp_getopt(argc, argv, "46c:dinp")) != EOF)
|
|
switch (c) {
|
|
case '4':
|
|
ai_fam_templ = AF_INET;
|
|
break;
|
|
case '6':
|
|
ai_fam_templ = AF_INET6;
|
|
break;
|
|
case 'c':
|
|
ADDCMD(ntp_optarg);
|
|
break;
|
|
case 'd':
|
|
++debug;
|
|
break;
|
|
case 'i':
|
|
interactive = 1;
|
|
break;
|
|
case 'n':
|
|
showhostnames = 0;
|
|
break;
|
|
case 'p':
|
|
ADDCMD("peers");
|
|
break;
|
|
default:
|
|
errflg++;
|
|
break;
|
|
}
|
|
if (errflg) {
|
|
(void) fprintf(stderr,
|
|
"usage: %s [-46dinp] [-c cmd] host ...\n",
|
|
progname);
|
|
exit(2);
|
|
}
|
|
#endif
|
|
if (ntp_optind == argc) {
|
|
ADDHOST(DEFHOST);
|
|
} else {
|
|
for (; ntp_optind < argc; ntp_optind++)
|
|
ADDHOST(argv[ntp_optind]);
|
|
}
|
|
|
|
if (numcmds == 0 && interactive == 0
|
|
&& isatty(fileno(stdin)) && isatty(fileno(stderr))) {
|
|
interactive = 1;
|
|
}
|
|
|
|
#ifndef SYS_WINNT /* Under NT cannot handle SIGINT, WIN32 spawns a handler */
|
|
if (interactive)
|
|
(void) signal_no_reset(SIGINT, abortcmd);
|
|
#endif /* SYS_WINNT */
|
|
|
|
if (numcmds == 0) {
|
|
(void) openhost(chosts[0]);
|
|
getcmds();
|
|
} else {
|
|
int ihost;
|
|
int icmd;
|
|
|
|
for (ihost = 0; ihost < numhosts; ihost++) {
|
|
if (openhost(chosts[ihost]))
|
|
for (icmd = 0; icmd < numcmds; icmd++)
|
|
docmd(ccmds[icmd]);
|
|
}
|
|
}
|
|
#ifdef SYS_WINNT
|
|
WSACleanup();
|
|
#endif /* SYS_WINNT */
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* openhost - open a socket to a host
|
|
*/
|
|
static int
|
|
openhost(
|
|
const char *hname
|
|
)
|
|
{
|
|
char temphost[LENHOSTNAME];
|
|
int a_info, i;
|
|
struct addrinfo hints, *ai = NULL;
|
|
register const char *cp;
|
|
char name[LENHOSTNAME];
|
|
char service[5];
|
|
|
|
/*
|
|
* We need to get by the [] if they were entered
|
|
*/
|
|
|
|
cp = hname;
|
|
|
|
if(*cp == '[') {
|
|
cp++;
|
|
for(i = 0; *cp != ']'; cp++, i++)
|
|
name[i] = *cp;
|
|
name[i] = '\0';
|
|
hname = name;
|
|
}
|
|
|
|
/*
|
|
* First try to resolve it as an ip address and if that fails,
|
|
* do a fullblown (dns) lookup. That way we only use the dns
|
|
* when it is needed and work around some implementations that
|
|
* will return an "IPv4-mapped IPv6 address" address if you
|
|
* give it an IPv4 address to lookup.
|
|
*/
|
|
strcpy(service, "ntp");
|
|
memset((char *)&hints, 0, sizeof(struct addrinfo));
|
|
hints.ai_family = ai_fam_templ;
|
|
hints.ai_protocol = IPPROTO_UDP;
|
|
hints.ai_socktype = SOCK_DGRAM;
|
|
hints.ai_flags = AI_NUMERICHOST;
|
|
|
|
a_info = getaddrinfo(hname, service, &hints, &ai);
|
|
if (a_info == EAI_NONAME
|
|
#ifdef EAI_NODATA
|
|
|| a_info == EAI_NODATA
|
|
#endif
|
|
) {
|
|
hints.ai_flags = AI_CANONNAME;
|
|
#ifdef AI_ADDRCONFIG
|
|
hints.ai_flags |= AI_ADDRCONFIG;
|
|
#endif
|
|
a_info = getaddrinfo(hname, service, &hints, &ai);
|
|
}
|
|
/* Some older implementations don't like AI_ADDRCONFIG. */
|
|
if (a_info == EAI_BADFLAGS) {
|
|
hints.ai_flags = AI_CANONNAME;
|
|
a_info = getaddrinfo(hname, service, &hints, &ai);
|
|
}
|
|
if (a_info != 0) {
|
|
(void) fprintf(stderr, "%s\n", gai_strerror(a_info));
|
|
return 0;
|
|
}
|
|
|
|
if (ai->ai_canonname == NULL) {
|
|
strncpy(temphost, stoa((struct sockaddr_storage *)ai->ai_addr),
|
|
LENHOSTNAME);
|
|
temphost[LENHOSTNAME-1] = '\0';
|
|
|
|
} else {
|
|
strncpy(temphost, ai->ai_canonname, LENHOSTNAME);
|
|
temphost[LENHOSTNAME-1] = '\0';
|
|
}
|
|
|
|
if (debug > 2)
|
|
printf("Opening host %s\n", temphost);
|
|
|
|
if (havehost == 1) {
|
|
if (debug > 2)
|
|
printf("Closing old host %s\n", currenthost);
|
|
(void) closesocket(sockfd);
|
|
havehost = 0;
|
|
}
|
|
(void) strcpy(currenthost, temphost);
|
|
|
|
/* port maps to the same location in both families */
|
|
s_port = ((struct sockaddr_in6 *)ai->ai_addr)->sin6_port;
|
|
#ifdef SYS_VXWORKS
|
|
((struct sockaddr_in6 *)&hostaddr)->sin6_port = htons(SERVER_PORT_NUM);
|
|
if (ai->ai_family == AF_INET)
|
|
*(struct sockaddr_in *)&hostaddr=
|
|
*((struct sockaddr_in *)ai->ai_addr);
|
|
else
|
|
*(struct sockaddr_in6 *)&hostaddr=
|
|
*((struct sockaddr_in6 *)ai->ai_addr);
|
|
#endif /* SYS_VXWORKS */
|
|
|
|
#ifdef SYS_WINNT
|
|
{
|
|
int optionValue = SO_SYNCHRONOUS_NONALERT;
|
|
int err;
|
|
|
|
err = setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&optionValue, sizeof(optionValue));
|
|
if (err != NO_ERROR) {
|
|
(void) fprintf(stderr, "cannot open nonoverlapped sockets\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif /* SYS_WINNT */
|
|
|
|
sockfd = socket(ai->ai_family, SOCK_DGRAM, 0);
|
|
if (sockfd == INVALID_SOCKET) {
|
|
error("socket", "", "");
|
|
}
|
|
|
|
|
|
#ifdef NEED_RCVBUF_SLOP
|
|
# ifdef SO_RCVBUF
|
|
{ int rbufsize = DATASIZE + 2048; /* 2K for slop */
|
|
if (setsockopt(sockfd, SOL_SOCKET, SO_RCVBUF,
|
|
&rbufsize, sizeof(int)) == -1)
|
|
error("setsockopt", "", "");
|
|
}
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef SYS_VXWORKS
|
|
if (connect(sockfd, (struct sockaddr *)&hostaddr,
|
|
sizeof(hostaddr)) == -1)
|
|
#else
|
|
if (connect(sockfd, (struct sockaddr *)ai->ai_addr,
|
|
ai->ai_addrlen) == -1)
|
|
#endif /* SYS_VXWORKS */
|
|
error("connect", "", "");
|
|
if (a_info == 0)
|
|
freeaddrinfo(ai);
|
|
havehost = 1;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* XXX ELIMINATE sendpkt similar in ntpq.c, ntpdc.c, ntp_io.c, ntptrace.c */
|
|
/*
|
|
* sendpkt - send a packet to the remote host
|
|
*/
|
|
static int
|
|
sendpkt(
|
|
char *xdata,
|
|
int xdatalen
|
|
)
|
|
{
|
|
if (debug >= 3)
|
|
printf("Sending %d octets\n", xdatalen);
|
|
|
|
|
|
if (send(sockfd, xdata, (size_t)xdatalen, 0) == -1) {
|
|
warning("write to %s failed", currenthost, "");
|
|
return -1;
|
|
}
|
|
|
|
if (debug >= 4) {
|
|
int first = 8;
|
|
printf("Packet data:\n");
|
|
while (xdatalen-- > 0) {
|
|
if (first-- == 0) {
|
|
printf("\n");
|
|
first = 7;
|
|
}
|
|
printf(" %02x", *xdata++ & 0xff);
|
|
}
|
|
printf("\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* getresponse - get a (series of) response packet(s) and return the data
|
|
*/
|
|
static int
|
|
getresponse(
|
|
int opcode,
|
|
int associd,
|
|
u_short *rstatus,
|
|
int *rsize,
|
|
char **rdata,
|
|
int timeo
|
|
)
|
|
{
|
|
struct ntp_control rpkt;
|
|
struct timeval tvo;
|
|
u_short offsets[MAXFRAGS+1];
|
|
u_short counts[MAXFRAGS+1];
|
|
u_short offset;
|
|
u_short count;
|
|
int numfrags;
|
|
int seenlastfrag;
|
|
fd_set fds;
|
|
int n;
|
|
|
|
/*
|
|
* This is pretty tricky. We may get between 1 and MAXFRAG packets
|
|
* back in response to the request. We peel the data out of
|
|
* each packet and collect it in one long block. When the last
|
|
* packet in the sequence is received we'll know how much data we
|
|
* should have had. Note we use one long time out, should reconsider.
|
|
*/
|
|
*rsize = 0;
|
|
if (rstatus)
|
|
*rstatus = 0;
|
|
*rdata = (char *)pktdata;
|
|
|
|
numfrags = 0;
|
|
seenlastfrag = 0;
|
|
|
|
FD_ZERO(&fds);
|
|
|
|
again:
|
|
if (numfrags == 0)
|
|
tvo = tvout;
|
|
else
|
|
tvo = tvsout;
|
|
|
|
FD_SET(sockfd, &fds);
|
|
n = select(sockfd+1, &fds, (fd_set *)0, (fd_set *)0, &tvo);
|
|
|
|
#if 0
|
|
if (debug >= 1)
|
|
printf("select() returns %d\n", n);
|
|
#endif
|
|
|
|
if (n == -1) {
|
|
warning("select fails", "", "");
|
|
return -1;
|
|
}
|
|
if (n == 0) {
|
|
/*
|
|
* Timed out. Return what we have
|
|
*/
|
|
if (numfrags == 0) {
|
|
if (timeo)
|
|
(void) fprintf(stderr,
|
|
"%s: timed out, nothing received\n",
|
|
currenthost);
|
|
return ERR_TIMEOUT;
|
|
} else {
|
|
if (timeo)
|
|
(void) fprintf(stderr,
|
|
"%s: timed out with incomplete data\n",
|
|
currenthost);
|
|
if (debug) {
|
|
printf("Received fragments:\n");
|
|
for (n = 0; n < numfrags; n++)
|
|
printf("%4d %d\n", offsets[n],
|
|
counts[n]);
|
|
if (seenlastfrag)
|
|
printf("last fragment received\n");
|
|
else
|
|
printf("last fragment not received\n");
|
|
}
|
|
return ERR_INCOMPLETE;
|
|
}
|
|
}
|
|
|
|
n = recv(sockfd, (char *)&rpkt, sizeof(rpkt), 0);
|
|
if (n == -1) {
|
|
warning("read", "", "");
|
|
return -1;
|
|
}
|
|
|
|
if (debug >= 4) {
|
|
int len = n, first = 8;
|
|
char *data = (char *)&rpkt;
|
|
|
|
printf("Packet data:\n");
|
|
while (len-- > 0) {
|
|
if (first-- == 0) {
|
|
printf("\n");
|
|
first = 7;
|
|
}
|
|
printf(" %02x", *data++ & 0xff);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Check for format errors. Bug proofing.
|
|
*/
|
|
if (n < CTL_HEADER_LEN) {
|
|
if (debug)
|
|
printf("Short (%d byte) packet received\n", n);
|
|
goto again;
|
|
}
|
|
if (PKT_VERSION(rpkt.li_vn_mode) > NTP_VERSION
|
|
|| PKT_VERSION(rpkt.li_vn_mode) < NTP_OLDVERSION) {
|
|
if (debug)
|
|
printf("Packet received with version %d\n",
|
|
PKT_VERSION(rpkt.li_vn_mode));
|
|
goto again;
|
|
}
|
|
if (PKT_MODE(rpkt.li_vn_mode) != MODE_CONTROL) {
|
|
if (debug)
|
|
printf("Packet received with mode %d\n",
|
|
PKT_MODE(rpkt.li_vn_mode));
|
|
goto again;
|
|
}
|
|
if (!CTL_ISRESPONSE(rpkt.r_m_e_op)) {
|
|
if (debug)
|
|
printf("Received request packet, wanted response\n");
|
|
goto again;
|
|
}
|
|
|
|
/*
|
|
* Check opcode and sequence number for a match.
|
|
* Could be old data getting to us.
|
|
*/
|
|
if (ntohs(rpkt.sequence) != sequence) {
|
|
if (debug)
|
|
printf(
|
|
"Received sequnce number %d, wanted %d\n",
|
|
ntohs(rpkt.sequence), sequence);
|
|
goto again;
|
|
}
|
|
if (CTL_OP(rpkt.r_m_e_op) != opcode) {
|
|
if (debug)
|
|
printf(
|
|
"Received opcode %d, wanted %d (sequence number okay)\n",
|
|
CTL_OP(rpkt.r_m_e_op), opcode);
|
|
goto again;
|
|
}
|
|
|
|
/*
|
|
* Check the error code. If non-zero, return it.
|
|
*/
|
|
if (CTL_ISERROR(rpkt.r_m_e_op)) {
|
|
int errcode;
|
|
|
|
errcode = (ntohs(rpkt.status) >> 8) & 0xff;
|
|
if (debug && CTL_ISMORE(rpkt.r_m_e_op)) {
|
|
printf("Error code %d received on not-final packet\n",
|
|
errcode);
|
|
}
|
|
if (errcode == CERR_UNSPEC)
|
|
return ERR_UNSPEC;
|
|
return errcode;
|
|
}
|
|
|
|
/*
|
|
* Check the association ID to make sure it matches what
|
|
* we sent.
|
|
*/
|
|
if (ntohs(rpkt.associd) != associd) {
|
|
if (debug)
|
|
printf("Association ID %d doesn't match expected %d\n",
|
|
ntohs(rpkt.associd), associd);
|
|
/*
|
|
* Hack for silly fuzzballs which, at the time of writing,
|
|
* return an assID of sys.peer when queried for system variables.
|
|
*/
|
|
#ifdef notdef
|
|
goto again;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Collect offset and count. Make sure they make sense.
|
|
*/
|
|
offset = ntohs(rpkt.offset);
|
|
count = ntohs(rpkt.count);
|
|
|
|
if (debug >= 3) {
|
|
int shouldbesize;
|
|
u_long key;
|
|
u_long *lpkt;
|
|
int maclen;
|
|
|
|
/*
|
|
* Usually we ignore authentication, but for debugging purposes
|
|
* we watch it here.
|
|
*/
|
|
shouldbesize = CTL_HEADER_LEN + count;
|
|
|
|
/* round to 8 octet boundary */
|
|
shouldbesize = (shouldbesize + 7) & ~7;
|
|
|
|
if (n & 0x3) {
|
|
printf("Packet not padded, size = %d\n", n);
|
|
} if ((maclen = n - shouldbesize) >= MIN_MAC_LEN) {
|
|
printf(
|
|
"Packet shows signs of authentication (total %d, data %d, mac %d)\n",
|
|
n, shouldbesize, maclen);
|
|
lpkt = (u_long *)&rpkt;
|
|
printf("%08lx %08lx %08lx %08lx %08lx %08lx\n",
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 3]),
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 2]),
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) - 1]),
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long)]),
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) + 1]),
|
|
(u_long)ntohl(lpkt[(n - maclen)/sizeof(u_long) + 2]));
|
|
key = ntohl(lpkt[(n - maclen) / sizeof(u_long)]);
|
|
printf("Authenticated with keyid %lu\n", (u_long)key);
|
|
if (key != 0 && key != info_auth_keyid) {
|
|
printf("We don't know that key\n");
|
|
} else {
|
|
if (authdecrypt(key, (u_int32 *)&rpkt,
|
|
n - maclen, maclen)) {
|
|
printf("Auth okay!\n");
|
|
} else {
|
|
printf("Auth failed!\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (debug >= 2)
|
|
printf("Got packet, size = %d\n", n);
|
|
if (count > (u_short)(n-CTL_HEADER_LEN)) {
|
|
if (debug)
|
|
printf(
|
|
"Received count of %d octets, data in packet is %d\n",
|
|
count, n-CTL_HEADER_LEN);
|
|
goto again;
|
|
}
|
|
if (count == 0 && CTL_ISMORE(rpkt.r_m_e_op)) {
|
|
if (debug)
|
|
printf("Received count of 0 in non-final fragment\n");
|
|
goto again;
|
|
}
|
|
if (offset + count > sizeof(pktdata)) {
|
|
if (debug)
|
|
printf("Offset %d, count %d, too big for buffer\n",
|
|
offset, count);
|
|
return ERR_TOOMUCH;
|
|
}
|
|
if (seenlastfrag && !CTL_ISMORE(rpkt.r_m_e_op)) {
|
|
if (debug)
|
|
printf("Received second last fragment packet\n");
|
|
goto again;
|
|
}
|
|
|
|
/*
|
|
* So far, so good. Record this fragment, making sure it doesn't
|
|
* overlap anything.
|
|
*/
|
|
if (debug >= 2)
|
|
printf("Packet okay\n");;
|
|
|
|
if (numfrags == MAXFRAGS) {
|
|
if (debug)
|
|
printf("Number of fragments exceeds maximum\n");
|
|
return ERR_TOOMUCH;
|
|
}
|
|
|
|
for (n = 0; n < numfrags; n++) {
|
|
if (offset == offsets[n])
|
|
goto again; /* duplicate */
|
|
if (offset < offsets[n])
|
|
break;
|
|
}
|
|
|
|
if ((u_short)(n > 0 && offsets[n-1] + counts[n-1]) > offset)
|
|
goto overlap;
|
|
if (n < numfrags && (u_short)(offset + count) > offsets[n])
|
|
goto overlap;
|
|
|
|
{
|
|
register int i;
|
|
|
|
for (i = numfrags; i > n; i--) {
|
|
offsets[i] = offsets[i-1];
|
|
counts[i] = counts[i-1];
|
|
}
|
|
}
|
|
offsets[n] = offset;
|
|
counts[n] = count;
|
|
numfrags++;
|
|
|
|
/*
|
|
* Got that stuffed in right. Figure out if this was the last.
|
|
* Record status info out of the last packet.
|
|
*/
|
|
if (!CTL_ISMORE(rpkt.r_m_e_op)) {
|
|
seenlastfrag = 1;
|
|
if (rstatus != 0)
|
|
*rstatus = ntohs(rpkt.status);
|
|
}
|
|
|
|
/*
|
|
* Copy the data into the data buffer.
|
|
*/
|
|
memmove((char *)pktdata + offset, (char *)rpkt.data, count);
|
|
|
|
/*
|
|
* If we've seen the last fragment, look for holes in the sequence.
|
|
* If there aren't any, we're done.
|
|
*/
|
|
if (seenlastfrag && offsets[0] == 0) {
|
|
for (n = 1; n < numfrags; n++) {
|
|
if (offsets[n-1] + counts[n-1] != offsets[n])
|
|
break;
|
|
}
|
|
if (n == numfrags) {
|
|
*rsize = offsets[numfrags-1] + counts[numfrags-1];
|
|
return 0;
|
|
}
|
|
}
|
|
goto again;
|
|
|
|
overlap:
|
|
/*
|
|
* Print debugging message about overlapping fragments
|
|
*/
|
|
if (debug)
|
|
printf("Overlapping fragments returned in response\n");
|
|
goto again;
|
|
}
|
|
|
|
|
|
/*
|
|
* sendrequest - format and send a request packet
|
|
*/
|
|
static int
|
|
sendrequest(
|
|
int opcode,
|
|
int associd,
|
|
int auth,
|
|
int qsize,
|
|
char *qdata
|
|
)
|
|
{
|
|
struct ntp_control qpkt;
|
|
int pktsize;
|
|
|
|
/*
|
|
* Check to make sure the data will fit in one packet
|
|
*/
|
|
if (qsize > CTL_MAX_DATA_LEN) {
|
|
(void) fprintf(stderr,
|
|
"***Internal error! qsize (%d) too large\n",
|
|
qsize);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Fill in the packet
|
|
*/
|
|
qpkt.li_vn_mode = PKT_LI_VN_MODE(0, pktversion, MODE_CONTROL);
|
|
qpkt.r_m_e_op = (u_char)(opcode & CTL_OP_MASK);
|
|
qpkt.sequence = htons(sequence);
|
|
qpkt.status = 0;
|
|
qpkt.associd = htons((u_short)associd);
|
|
qpkt.offset = 0;
|
|
qpkt.count = htons((u_short)qsize);
|
|
|
|
/*
|
|
* If we have data, copy it in and pad it out to a 64
|
|
* bit boundary.
|
|
*/
|
|
if (qsize > 0) {
|
|
memmove((char *)qpkt.data, qdata, (unsigned)qsize);
|
|
pktsize = qsize + CTL_HEADER_LEN;
|
|
while (pktsize & (sizeof(u_long) - 1)) {
|
|
qpkt.data[qsize++] = 0;
|
|
pktsize++;
|
|
}
|
|
} else {
|
|
pktsize = CTL_HEADER_LEN;
|
|
}
|
|
|
|
/*
|
|
* If it isn't authenticated we can just send it. Otherwise
|
|
* we're going to have to think about it a little.
|
|
*/
|
|
if (!auth && !always_auth) {
|
|
return sendpkt((char *)&qpkt, pktsize);
|
|
} else {
|
|
const char *pass = "\0";
|
|
int maclen = 0;
|
|
u_long my_keyid;
|
|
|
|
/*
|
|
* Pad out packet to a multiple of 8 octets to be sure
|
|
* receiver can handle it.
|
|
*/
|
|
while (pktsize & 7) {
|
|
qpkt.data[qsize++] = 0;
|
|
pktsize++;
|
|
}
|
|
|
|
/*
|
|
* Get the keyid and the password if we don't have one.
|
|
*/
|
|
if (info_auth_keyid == 0) {
|
|
int u_keyid = getkeyid("Keyid: ");
|
|
if (u_keyid == 0 || u_keyid > NTP_MAXKEY) {
|
|
(void) fprintf(stderr,
|
|
"Invalid key identifier\n");
|
|
return 1;
|
|
}
|
|
info_auth_keyid = u_keyid;
|
|
}
|
|
if (!authistrusted(info_auth_keyid)) {
|
|
pass = getpass("MD5 Password: ");
|
|
if (*pass == '\0') {
|
|
(void) fprintf(stderr,
|
|
"Invalid password\n");
|
|
return (1);
|
|
}
|
|
}
|
|
authusekey(info_auth_keyid, info_auth_keytype, (const u_char *)pass);
|
|
authtrust(info_auth_keyid, 1);
|
|
|
|
/*
|
|
* Stick the keyid in the packet where
|
|
* cp currently points. Cp should be aligned
|
|
* properly. Then do the encryptions.
|
|
*/
|
|
my_keyid = htonl(info_auth_keyid);
|
|
memcpy(&qpkt.data[qsize], &my_keyid, sizeof my_keyid);
|
|
maclen = authencrypt(info_auth_keyid, (u_int32 *)&qpkt,
|
|
pktsize);
|
|
if (maclen == 0) {
|
|
(void) fprintf(stderr, "Key not found\n");
|
|
return (1);
|
|
}
|
|
return sendpkt((char *)&qpkt, pktsize + maclen);
|
|
}
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
|
|
/*
|
|
* doquery - send a request and process the response
|
|
*/
|
|
int
|
|
doquery(
|
|
int opcode,
|
|
int associd,
|
|
int auth,
|
|
int qsize,
|
|
char *qdata,
|
|
u_short *rstatus,
|
|
int *rsize,
|
|
char **rdata
|
|
)
|
|
{
|
|
int res;
|
|
int done;
|
|
|
|
/*
|
|
* Check to make sure host is open
|
|
*/
|
|
if (!havehost) {
|
|
(void) fprintf(stderr, "***No host open, use `host' command\n");
|
|
return -1;
|
|
}
|
|
|
|
done = 0;
|
|
sequence++;
|
|
|
|
again:
|
|
/*
|
|
* send a request
|
|
*/
|
|
res = sendrequest(opcode, associd, auth, qsize, qdata);
|
|
if (res != 0)
|
|
return res;
|
|
|
|
/*
|
|
* Get the response. If we got a standard error, print a message
|
|
*/
|
|
res = getresponse(opcode, associd, rstatus, rsize, rdata, done);
|
|
|
|
if (res > 0) {
|
|
if (!done && (res == ERR_TIMEOUT || res == ERR_INCOMPLETE)) {
|
|
if (res == ERR_INCOMPLETE) {
|
|
/*
|
|
* better bump the sequence so we don't
|
|
* get confused about differing fragments.
|
|
*/
|
|
sequence++;
|
|
}
|
|
done = 1;
|
|
goto again;
|
|
}
|
|
if (numhosts > 1)
|
|
(void) fprintf(stderr, "server=%s ", currenthost);
|
|
switch(res) {
|
|
case CERR_BADFMT:
|
|
(void) fprintf(stderr,
|
|
"***Server reports a bad format request packet\n");
|
|
break;
|
|
case CERR_PERMISSION:
|
|
(void) fprintf(stderr,
|
|
"***Server disallowed request (authentication?)\n");
|
|
break;
|
|
case CERR_BADOP:
|
|
(void) fprintf(stderr,
|
|
"***Server reports a bad opcode in request\n");
|
|
break;
|
|
case CERR_BADASSOC:
|
|
(void) fprintf(stderr,
|
|
"***Association ID %d unknown to server\n",associd);
|
|
break;
|
|
case CERR_UNKNOWNVAR:
|
|
(void) fprintf(stderr,
|
|
"***A request variable unknown to the server\n");
|
|
break;
|
|
case CERR_BADVALUE:
|
|
(void) fprintf(stderr,
|
|
"***Server indicates a request variable was bad\n");
|
|
break;
|
|
case ERR_UNSPEC:
|
|
(void) fprintf(stderr,
|
|
"***Server returned an unspecified error\n");
|
|
break;
|
|
case ERR_TIMEOUT:
|
|
(void) fprintf(stderr, "***Request timed out\n");
|
|
break;
|
|
case ERR_INCOMPLETE:
|
|
(void) fprintf(stderr,
|
|
"***Response from server was incomplete\n");
|
|
break;
|
|
case ERR_TOOMUCH:
|
|
(void) fprintf(stderr,
|
|
"***Buffer size exceeded for returned data\n");
|
|
break;
|
|
default:
|
|
(void) fprintf(stderr,
|
|
"***Server returns unknown error code %d\n", res);
|
|
break;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
/*
|
|
* getcmds - read commands from the standard input and execute them
|
|
*/
|
|
static void
|
|
getcmds(void)
|
|
{
|
|
#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDIT)
|
|
char *line;
|
|
|
|
for (;;) {
|
|
if ((line = readline(interactive?prompt:"")) == NULL) return;
|
|
if (*line) add_history(line);
|
|
docmd(line);
|
|
free(line);
|
|
}
|
|
#else /* not (HAVE_LIBREADLINE || HAVE_LIBEDIT) */
|
|
char line[MAXLINE];
|
|
|
|
for (;;) {
|
|
if (interactive) {
|
|
#ifdef VMS /* work around a problem with mixing stdout & stderr */
|
|
fputs("",stdout);
|
|
#endif
|
|
(void) fputs(prompt, stderr);
|
|
(void) fflush(stderr);
|
|
}
|
|
|
|
if (fgets(line, sizeof line, stdin) == NULL)
|
|
return;
|
|
|
|
docmd(line);
|
|
}
|
|
#endif /* not (HAVE_LIBREADLINE || HAVE_LIBEDIT) */
|
|
}
|
|
|
|
#ifndef SYS_WINNT /* Under NT cannot handle SIGINT, WIN32 spawns a handler */
|
|
/*
|
|
* abortcmd - catch interrupts and abort the current command
|
|
*/
|
|
static RETSIGTYPE
|
|
abortcmd(
|
|
int sig
|
|
)
|
|
{
|
|
if (current_output == stdout)
|
|
(void) fflush(stdout);
|
|
putc('\n', stderr);
|
|
(void) fflush(stderr);
|
|
if (jump) longjmp(interrupt_buf, 1);
|
|
}
|
|
#endif /* SYS_WINNT */
|
|
|
|
/*
|
|
* docmd - decode the command line and execute a command
|
|
*/
|
|
static void
|
|
docmd(
|
|
const char *cmdline
|
|
)
|
|
{
|
|
char *tokens[1+MAXARGS+2];
|
|
struct parse pcmd;
|
|
int ntok;
|
|
static int i;
|
|
struct xcmd *xcmd;
|
|
|
|
/*
|
|
* Tokenize the command line. If nothing on it, return.
|
|
*/
|
|
tokenize(cmdline, tokens, &ntok);
|
|
if (ntok == 0)
|
|
return;
|
|
|
|
/*
|
|
* Find the appropriate command description.
|
|
*/
|
|
i = findcmd(tokens[0], builtins, opcmds, &xcmd);
|
|
if (i == 0) {
|
|
(void) fprintf(stderr, "***Command `%s' unknown\n",
|
|
tokens[0]);
|
|
return;
|
|
} else if (i >= 2) {
|
|
(void) fprintf(stderr, "***Command `%s' ambiguous\n",
|
|
tokens[0]);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Save the keyword, then walk through the arguments, interpreting
|
|
* as we go.
|
|
*/
|
|
pcmd.keyword = tokens[0];
|
|
pcmd.nargs = 0;
|
|
for (i = 0; i < MAXARGS && xcmd->arg[i] != NO; i++) {
|
|
if ((i+1) >= ntok) {
|
|
if (!(xcmd->arg[i] & OPT)) {
|
|
printusage(xcmd, stderr);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
if ((xcmd->arg[i] & OPT) && (*tokens[i+1] == '>'))
|
|
break;
|
|
if (!getarg(tokens[i+1], (int)xcmd->arg[i], &pcmd.argval[i]))
|
|
return;
|
|
pcmd.nargs++;
|
|
}
|
|
|
|
i++;
|
|
if (i < ntok && *tokens[i] == '>') {
|
|
char *fname;
|
|
|
|
if (*(tokens[i]+1) != '\0')
|
|
fname = tokens[i]+1;
|
|
else if ((i+1) < ntok)
|
|
fname = tokens[i+1];
|
|
else {
|
|
(void) fprintf(stderr, "***No file for redirect\n");
|
|
return;
|
|
}
|
|
|
|
current_output = fopen(fname, "w");
|
|
if (current_output == NULL) {
|
|
(void) fprintf(stderr, "***Error opening %s: ", fname);
|
|
perror("");
|
|
return;
|
|
}
|
|
i = 1; /* flag we need a close */
|
|
} else {
|
|
current_output = stdout;
|
|
i = 0; /* flag no close */
|
|
}
|
|
|
|
if (interactive && setjmp(interrupt_buf)) {
|
|
jump = 0;
|
|
return;
|
|
} else {
|
|
jump++;
|
|
(xcmd->handler)(&pcmd, current_output);
|
|
jump = 0; /* HMS: 961106: was after fclose() */
|
|
if (i) (void) fclose(current_output);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* tokenize - turn a command line into tokens
|
|
*/
|
|
static void
|
|
tokenize(
|
|
const char *line,
|
|
char **tokens,
|
|
int *ntok
|
|
)
|
|
{
|
|
register const char *cp;
|
|
register char *sp;
|
|
static char tspace[MAXLINE];
|
|
|
|
sp = tspace;
|
|
cp = line;
|
|
for (*ntok = 0; *ntok < MAXTOKENS; (*ntok)++) {
|
|
tokens[*ntok] = sp;
|
|
while (ISSPACE(*cp))
|
|
cp++;
|
|
if (ISEOL(*cp))
|
|
break;
|
|
do {
|
|
*sp++ = *cp++;
|
|
} while (!ISSPACE(*cp) && !ISEOL(*cp));
|
|
|
|
*sp++ = '\0';
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* findcmd - find a command in a command description table
|
|
*/
|
|
static int
|
|
findcmd(
|
|
register char *str,
|
|
struct xcmd *clist1,
|
|
struct xcmd *clist2,
|
|
struct xcmd **cmd
|
|
)
|
|
{
|
|
register struct xcmd *cl;
|
|
register int clen;
|
|
int nmatch;
|
|
struct xcmd *nearmatch = NULL;
|
|
struct xcmd *clist;
|
|
|
|
clen = strlen(str);
|
|
nmatch = 0;
|
|
if (clist1 != 0)
|
|
clist = clist1;
|
|
else if (clist2 != 0)
|
|
clist = clist2;
|
|
else
|
|
return 0;
|
|
|
|
again:
|
|
for (cl = clist; cl->keyword != 0; cl++) {
|
|
/* do a first character check, for efficiency */
|
|
if (*str != *(cl->keyword))
|
|
continue;
|
|
if (strncmp(str, cl->keyword, (unsigned)clen) == 0) {
|
|
/*
|
|
* Could be extact match, could be approximate.
|
|
* Is exact if the length of the keyword is the
|
|
* same as the str.
|
|
*/
|
|
if (*((cl->keyword) + clen) == '\0') {
|
|
*cmd = cl;
|
|
return 1;
|
|
}
|
|
nmatch++;
|
|
nearmatch = cl;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* See if there is more to do. If so, go again. Sorry about the
|
|
* goto, too much looking at BSD sources...
|
|
*/
|
|
if (clist == clist1 && clist2 != 0) {
|
|
clist = clist2;
|
|
goto again;
|
|
}
|
|
|
|
/*
|
|
* If we got extactly 1 near match, use it, else return number
|
|
* of matches.
|
|
*/
|
|
if (nmatch == 1) {
|
|
*cmd = nearmatch;
|
|
return 1;
|
|
}
|
|
return nmatch;
|
|
}
|
|
|
|
|
|
/*
|
|
* getarg - interpret an argument token
|
|
*/
|
|
static int
|
|
getarg(
|
|
char *str,
|
|
int code,
|
|
arg_v *argp
|
|
)
|
|
{
|
|
int isneg;
|
|
char *cp, *np;
|
|
static const char *digits = "0123456789";
|
|
|
|
switch (code & ~OPT) {
|
|
case NTP_STR:
|
|
argp->string = str;
|
|
break;
|
|
case NTP_ADD:
|
|
if (!getnetnum(str, &(argp->netnum), (char *)0, 0)) {
|
|
return 0;
|
|
}
|
|
break;
|
|
case NTP_INT:
|
|
case NTP_UINT:
|
|
isneg = 0;
|
|
np = str;
|
|
if (*np == '&') {
|
|
np++;
|
|
isneg = atoi(np);
|
|
if (isneg <= 0) {
|
|
(void) fprintf(stderr,
|
|
"***Association value `%s' invalid/undecodable\n", str);
|
|
return 0;
|
|
}
|
|
if (isneg > numassoc) {
|
|
if (numassoc == 0) {
|
|
(void) fprintf(stderr,
|
|
"***Association for `%s' unknown (max &%d)\n",
|
|
str, numassoc);
|
|
return 0;
|
|
} else {
|
|
isneg = numassoc;
|
|
}
|
|
}
|
|
argp->uval = assoc_cache[isneg-1].assid;
|
|
break;
|
|
}
|
|
|
|
if (*np == '-') {
|
|
np++;
|
|
isneg = 1;
|
|
}
|
|
|
|
argp->uval = 0;
|
|
do {
|
|
cp = strchr(digits, *np);
|
|
if (cp == NULL) {
|
|
(void) fprintf(stderr,
|
|
"***Illegal integer value %s\n", str);
|
|
return 0;
|
|
}
|
|
argp->uval *= 10;
|
|
argp->uval += (cp - digits);
|
|
} while (*(++np) != '\0');
|
|
|
|
if (isneg) {
|
|
if ((code & ~OPT) == NTP_UINT) {
|
|
(void) fprintf(stderr,
|
|
"***Value %s should be unsigned\n", str);
|
|
return 0;
|
|
}
|
|
argp->ival = -argp->ival;
|
|
}
|
|
break;
|
|
case IP_VERSION:
|
|
if (!strcmp("-6", str))
|
|
argp->ival = 6 ;
|
|
else if (!strcmp("-4", str))
|
|
argp->ival = 4 ;
|
|
else {
|
|
(void) fprintf(stderr,
|
|
"***Version must be either 4 or 6\n");
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* getnetnum - given a host name, return its net number
|
|
* and (optional) full name
|
|
*/
|
|
int
|
|
getnetnum(
|
|
const char *hname,
|
|
struct sockaddr_storage *num,
|
|
char *fullhost,
|
|
int af
|
|
)
|
|
{
|
|
int sockaddr_len;
|
|
struct addrinfo hints, *ai = NULL;
|
|
|
|
sockaddr_len = (af == AF_INET)
|
|
? sizeof(struct sockaddr_in)
|
|
: sizeof(struct sockaddr_in6);
|
|
memset((char *)&hints, 0, sizeof(struct addrinfo));
|
|
hints.ai_flags = AI_CANONNAME;
|
|
#ifdef AI_ADDRCONFIG
|
|
hints.ai_flags |= AI_ADDRCONFIG;
|
|
#endif
|
|
|
|
/* decodenetnum works with addresses only */
|
|
if (decodenetnum(hname, num)) {
|
|
if (fullhost != 0) {
|
|
getnameinfo((struct sockaddr *)num, sockaddr_len,
|
|
fullhost, sizeof(fullhost), NULL, 0,
|
|
NI_NUMERICHOST);
|
|
}
|
|
return 1;
|
|
} else if (getaddrinfo(hname, "ntp", &hints, &ai) == 0) {
|
|
memmove((char *)num, ai->ai_addr, ai->ai_addrlen);
|
|
if (ai->ai_canonname != 0)
|
|
(void) strcpy(fullhost, ai->ai_canonname);
|
|
return 1;
|
|
} else {
|
|
(void) fprintf(stderr, "***Can't find host %s\n", hname);
|
|
return 0;
|
|
}
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
/*
|
|
* nntohost - convert network number to host name. This routine enforces
|
|
* the showhostnames setting.
|
|
*/
|
|
char *
|
|
nntohost(
|
|
struct sockaddr_storage *netnum
|
|
)
|
|
{
|
|
if (!showhostnames)
|
|
return stoa(netnum);
|
|
if ((netnum->ss_family == AF_INET) && ISREFCLOCKADR(netnum))
|
|
return refnumtoa(netnum);
|
|
return socktohost(netnum);
|
|
}
|
|
|
|
|
|
/*
|
|
* rtdatetolfp - decode an RT-11 date into an l_fp
|
|
*/
|
|
static int
|
|
rtdatetolfp(
|
|
char *str,
|
|
l_fp *lfp
|
|
)
|
|
{
|
|
register char *cp;
|
|
register int i;
|
|
struct calendar cal;
|
|
char buf[4];
|
|
static const char *months[12] = {
|
|
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
|
|
};
|
|
|
|
cal.yearday = 0;
|
|
|
|
/*
|
|
* An RT-11 date looks like:
|
|
*
|
|
* d[d]-Mth-y[y] hh:mm:ss
|
|
*
|
|
* (No docs, but assume 4-digit years are also legal...)
|
|
*
|
|
* d[d]-Mth-y[y[y[y]]] hh:mm:ss
|
|
*/
|
|
cp = str;
|
|
if (!isdigit((int)*cp)) {
|
|
if (*cp == '-') {
|
|
/*
|
|
* Catch special case
|
|
*/
|
|
L_CLR(lfp);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
cal.monthday = (u_char) (*cp++ - '0'); /* ascii dependent */
|
|
if (isdigit((int)*cp)) {
|
|
cal.monthday = (u_char)((cal.monthday << 3) + (cal.monthday << 1));
|
|
cal.monthday = (u_char)(cal.monthday + *cp++ - '0');
|
|
}
|
|
|
|
if (*cp++ != '-')
|
|
return 0;
|
|
|
|
for (i = 0; i < 3; i++)
|
|
buf[i] = *cp++;
|
|
buf[3] = '\0';
|
|
|
|
for (i = 0; i < 12; i++)
|
|
if (STREQ(buf, months[i]))
|
|
break;
|
|
if (i == 12)
|
|
return 0;
|
|
cal.month = (u_char)(i + 1);
|
|
|
|
if (*cp++ != '-')
|
|
return 0;
|
|
|
|
if (!isdigit((int)*cp))
|
|
return 0;
|
|
cal.year = (u_short)(*cp++ - '0');
|
|
if (isdigit((int)*cp)) {
|
|
cal.year = (u_short)((cal.year << 3) + (cal.year << 1));
|
|
cal.year = (u_short)(*cp++ - '0');
|
|
}
|
|
if (isdigit((int)*cp)) {
|
|
cal.year = (u_short)((cal.year << 3) + (cal.year << 1));
|
|
cal.year = (u_short)(cal.year + *cp++ - '0');
|
|
}
|
|
if (isdigit((int)*cp)) {
|
|
cal.year = (u_short)((cal.year << 3) + (cal.year << 1));
|
|
cal.year = (u_short)(cal.year + *cp++ - '0');
|
|
}
|
|
|
|
/*
|
|
* Catch special case. If cal.year == 0 this is a zero timestamp.
|
|
*/
|
|
if (cal.year == 0) {
|
|
L_CLR(lfp);
|
|
return 1;
|
|
}
|
|
|
|
if (*cp++ != ' ' || !isdigit((int)*cp))
|
|
return 0;
|
|
cal.hour = (u_char)(*cp++ - '0');
|
|
if (isdigit((int)*cp)) {
|
|
cal.hour = (u_char)((cal.hour << 3) + (cal.hour << 1));
|
|
cal.hour = (u_char)(cal.hour + *cp++ - '0');
|
|
}
|
|
|
|
if (*cp++ != ':' || !isdigit((int)*cp))
|
|
return 0;
|
|
cal.minute = (u_char)(*cp++ - '0');
|
|
if (isdigit((int)*cp)) {
|
|
cal.minute = (u_char)((cal.minute << 3) + (cal.minute << 1));
|
|
cal.minute = (u_char)(cal.minute + *cp++ - '0');
|
|
}
|
|
|
|
if (*cp++ != ':' || !isdigit((int)*cp))
|
|
return 0;
|
|
cal.second = (u_char)(*cp++ - '0');
|
|
if (isdigit((int)*cp)) {
|
|
cal.second = (u_char)((cal.second << 3) + (cal.second << 1));
|
|
cal.second = (u_char)(cal.second + *cp++ - '0');
|
|
}
|
|
|
|
/*
|
|
* For RT-11, 1972 seems to be the pivot year
|
|
*/
|
|
if (cal.year < 72)
|
|
cal.year += 2000;
|
|
if (cal.year < 100)
|
|
cal.year += 1900;
|
|
|
|
lfp->l_ui = caltontp(&cal);
|
|
lfp->l_uf = 0;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* decodets - decode a timestamp into an l_fp format number, with
|
|
* consideration of fuzzball formats.
|
|
*/
|
|
int
|
|
decodets(
|
|
char *str,
|
|
l_fp *lfp
|
|
)
|
|
{
|
|
/*
|
|
* If it starts with a 0x, decode as hex.
|
|
*/
|
|
if (*str == '0' && (*(str+1) == 'x' || *(str+1) == 'X'))
|
|
return hextolfp(str+2, lfp);
|
|
|
|
/*
|
|
* If it starts with a '"', try it as an RT-11 date.
|
|
*/
|
|
if (*str == '"') {
|
|
register char *cp = str+1;
|
|
register char *bp;
|
|
char buf[30];
|
|
|
|
bp = buf;
|
|
while (*cp != '"' && *cp != '\0' && bp < &buf[29])
|
|
*bp++ = *cp++;
|
|
*bp = '\0';
|
|
return rtdatetolfp(buf, lfp);
|
|
}
|
|
|
|
/*
|
|
* Might still be hex. Check out the first character. Talk
|
|
* about heuristics!
|
|
*/
|
|
if ((*str >= 'A' && *str <= 'F') || (*str >= 'a' && *str <= 'f'))
|
|
return hextolfp(str, lfp);
|
|
|
|
/*
|
|
* Try it as a decimal. If this fails, try as an unquoted
|
|
* RT-11 date. This code should go away eventually.
|
|
*/
|
|
if (atolfp(str, lfp))
|
|
return 1;
|
|
return rtdatetolfp(str, lfp);
|
|
}
|
|
|
|
|
|
/*
|
|
* decodetime - decode a time value. It should be in milliseconds
|
|
*/
|
|
int
|
|
decodetime(
|
|
char *str,
|
|
l_fp *lfp
|
|
)
|
|
{
|
|
return mstolfp(str, lfp);
|
|
}
|
|
|
|
|
|
/*
|
|
* decodeint - decode an integer
|
|
*/
|
|
int
|
|
decodeint(
|
|
char *str,
|
|
long *val
|
|
)
|
|
{
|
|
if (*str == '0') {
|
|
if (*(str+1) == 'x' || *(str+1) == 'X')
|
|
return hextoint(str+2, val);
|
|
return octtoint(str, val);
|
|
}
|
|
return atoint(str, val);
|
|
}
|
|
|
|
|
|
/*
|
|
* decodeuint - decode an unsigned integer
|
|
*/
|
|
int
|
|
decodeuint(
|
|
char *str,
|
|
u_long *val
|
|
)
|
|
{
|
|
if (*str == '0') {
|
|
if (*(str + 1) == 'x' || *(str + 1) == 'X')
|
|
return (hextoint(str + 2, val));
|
|
return (octtoint(str, val));
|
|
}
|
|
return (atouint(str, val));
|
|
}
|
|
|
|
|
|
/*
|
|
* decodearr - decode an array of time values
|
|
*/
|
|
static int
|
|
decodearr(
|
|
char *str,
|
|
int *narr,
|
|
l_fp *lfparr
|
|
)
|
|
{
|
|
register char *cp, *bp;
|
|
register l_fp *lfp;
|
|
char buf[60];
|
|
|
|
lfp = lfparr;
|
|
cp = str;
|
|
*narr = 0;
|
|
|
|
while (*narr < 8) {
|
|
while (isspace((int)*cp))
|
|
cp++;
|
|
if (*cp == '\0')
|
|
break;
|
|
|
|
bp = buf;
|
|
while (!isspace((int)*cp) && *cp != '\0')
|
|
*bp++ = *cp++;
|
|
*bp++ = '\0';
|
|
|
|
if (!decodetime(buf, lfp))
|
|
return 0;
|
|
(*narr)++;
|
|
lfp++;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* Finally, the built in command handlers
|
|
*/
|
|
|
|
/*
|
|
* help - tell about commands, or details of a particular command
|
|
*/
|
|
static void
|
|
help(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
struct xcmd *xcp;
|
|
char *cmd;
|
|
const char *list[100];
|
|
int word, words;
|
|
int row, rows;
|
|
int col, cols;
|
|
|
|
if (pcmd->nargs == 0) {
|
|
words = 0;
|
|
for (xcp = builtins; xcp->keyword != 0; xcp++) {
|
|
if (*(xcp->keyword) != '?')
|
|
list[words++] = xcp->keyword;
|
|
}
|
|
for (xcp = opcmds; xcp->keyword != 0; xcp++)
|
|
list[words++] = xcp->keyword;
|
|
|
|
qsort(
|
|
#ifdef QSORT_USES_VOID_P
|
|
(void *)
|
|
#else
|
|
(char *)
|
|
#endif
|
|
(list), (size_t)(words), sizeof(char *), helpsort);
|
|
col = 0;
|
|
for (word = 0; word < words; word++) {
|
|
int length = strlen(list[word]);
|
|
if (col < length) {
|
|
col = length;
|
|
}
|
|
}
|
|
|
|
cols = SCREENWIDTH / ++col;
|
|
rows = (words + cols - 1) / cols;
|
|
|
|
(void) fprintf(fp, "ntpq commands:\n");
|
|
|
|
for (row = 0; row < rows; row++) {
|
|
for (word = row; word < words; word += rows) {
|
|
(void) fprintf(fp, "%-*.*s", col, col-1, list[word]);
|
|
}
|
|
(void) fprintf(fp, "\n");
|
|
}
|
|
} else {
|
|
cmd = pcmd->argval[0].string;
|
|
words = findcmd(cmd, builtins, opcmds, &xcp);
|
|
if (words == 0) {
|
|
(void) fprintf(stderr,
|
|
"Command `%s' is unknown\n", cmd);
|
|
return;
|
|
} else if (words >= 2) {
|
|
(void) fprintf(stderr,
|
|
"Command `%s' is ambiguous\n", cmd);
|
|
return;
|
|
}
|
|
(void) fprintf(fp, "function: %s\n", xcp->comment);
|
|
printusage(xcp, fp);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* helpsort - do hostname qsort comparisons
|
|
*/
|
|
#ifdef QSORT_USES_VOID_P
|
|
static int
|
|
helpsort(
|
|
const void *t1,
|
|
const void *t2
|
|
)
|
|
{
|
|
char const * const * name1 = (char const * const *)t1;
|
|
char const * const * name2 = (char const * const *)t2;
|
|
|
|
return strcmp(*name1, *name2);
|
|
}
|
|
|
|
#else
|
|
static int
|
|
helpsort(
|
|
char **name1,
|
|
char **name2
|
|
)
|
|
{
|
|
return strcmp(*name1, *name2);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* printusage - print usage information for a command
|
|
*/
|
|
static void
|
|
printusage(
|
|
struct xcmd *xcp,
|
|
FILE *fp
|
|
)
|
|
{
|
|
register int i;
|
|
|
|
(void) fprintf(fp, "usage: %s", xcp->keyword);
|
|
for (i = 0; i < MAXARGS && xcp->arg[i] != NO; i++) {
|
|
if (xcp->arg[i] & OPT)
|
|
(void) fprintf(fp, " [ %s ]", xcp->desc[i]);
|
|
else
|
|
(void) fprintf(fp, " %s", xcp->desc[i]);
|
|
}
|
|
(void) fprintf(fp, "\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* timeout - set time out time
|
|
*/
|
|
static void
|
|
timeout(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
int val;
|
|
|
|
if (pcmd->nargs == 0) {
|
|
val = tvout.tv_sec * 1000 + tvout.tv_usec / 1000;
|
|
(void) fprintf(fp, "primary timeout %d ms\n", val);
|
|
} else {
|
|
tvout.tv_sec = pcmd->argval[0].uval / 1000;
|
|
tvout.tv_usec = (pcmd->argval[0].uval - (tvout.tv_sec * 1000))
|
|
* 1000;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* auth_delay - set delay for auth requests
|
|
*/
|
|
static void
|
|
auth_delay(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
int isneg;
|
|
u_long val;
|
|
|
|
if (pcmd->nargs == 0) {
|
|
val = delay_time.l_ui * 1000 + delay_time.l_uf / 4294967;
|
|
(void) fprintf(fp, "delay %lu ms\n", val);
|
|
} else {
|
|
if (pcmd->argval[0].ival < 0) {
|
|
isneg = 1;
|
|
val = (u_long)(-pcmd->argval[0].ival);
|
|
} else {
|
|
isneg = 0;
|
|
val = (u_long)pcmd->argval[0].ival;
|
|
}
|
|
|
|
delay_time.l_ui = val / 1000;
|
|
val %= 1000;
|
|
delay_time.l_uf = val * 4294967; /* 2**32/1000 */
|
|
|
|
if (isneg)
|
|
L_NEG(&delay_time);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* host - set the host we are dealing with.
|
|
*/
|
|
static void
|
|
host(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
int i;
|
|
|
|
if (pcmd->nargs == 0) {
|
|
if (havehost)
|
|
(void) fprintf(fp, "current host is %s\n", currenthost);
|
|
else
|
|
(void) fprintf(fp, "no current host\n");
|
|
return;
|
|
}
|
|
|
|
i = 0;
|
|
ai_fam_templ = ai_fam_default;
|
|
if (pcmd->nargs == 2) {
|
|
if (!strcmp("-4", pcmd->argval[i].string))
|
|
ai_fam_templ = AF_INET;
|
|
else if (!strcmp("-6", pcmd->argval[i].string))
|
|
ai_fam_templ = AF_INET6;
|
|
else {
|
|
if (havehost)
|
|
(void) fprintf(fp,
|
|
"current host remains %s\n", currenthost);
|
|
else
|
|
(void) fprintf(fp, "still no current host\n");
|
|
return;
|
|
}
|
|
i = 1;
|
|
}
|
|
if (openhost(pcmd->argval[i].string)) {
|
|
(void) fprintf(fp, "current host set to %s\n", currenthost);
|
|
numassoc = 0;
|
|
} else {
|
|
if (havehost)
|
|
(void) fprintf(fp,
|
|
"current host remains %s\n", currenthost);
|
|
else
|
|
(void) fprintf(fp, "still no current host\n");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* poll - do one (or more) polls of the host via NTP
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
ntp_poll(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
(void) fprintf(fp, "poll not implemented yet\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* keyid - get a keyid to use for authenticating requests
|
|
*/
|
|
static void
|
|
keyid(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0) {
|
|
if (info_auth_keyid == 0)
|
|
(void) fprintf(fp, "no keyid defined\n");
|
|
else
|
|
(void) fprintf(fp, "keyid is %lu\n", (u_long)info_auth_keyid);
|
|
} else {
|
|
/* allow zero so that keyid can be cleared. */
|
|
if(pcmd->argval[0].uval > NTP_MAXKEY)
|
|
(void) fprintf(fp, "Invalid key identifier\n");
|
|
info_auth_keyid = pcmd->argval[0].uval;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* keytype - get type of key to use for authenticating requests
|
|
*/
|
|
static void
|
|
keytype(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0)
|
|
fprintf(fp, "keytype is %s\n",
|
|
(info_auth_keytype == KEY_TYPE_MD5) ? "MD5" : "???");
|
|
else
|
|
switch (*(pcmd->argval[0].string)) {
|
|
case 'm':
|
|
case 'M':
|
|
info_auth_keytype = KEY_TYPE_MD5;
|
|
break;
|
|
|
|
default:
|
|
fprintf(fp, "keytype must be 'md5'\n");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* passwd - get an authentication key
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
passwd(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
char *pass;
|
|
|
|
if (info_auth_keyid == 0) {
|
|
int u_keyid = getkeyid("Keyid: ");
|
|
if (u_keyid == 0 || u_keyid > NTP_MAXKEY) {
|
|
(void)fprintf(fp, "Invalid key identifier\n");
|
|
return;
|
|
}
|
|
info_auth_keyid = u_keyid;
|
|
}
|
|
pass = getpass("MD5 Password: ");
|
|
if (*pass == '\0')
|
|
(void) fprintf(fp, "Password unchanged\n");
|
|
else {
|
|
authusekey(info_auth_keyid, info_auth_keytype, (u_char *)pass);
|
|
authtrust(info_auth_keyid, 1);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* hostnames - set the showhostnames flag
|
|
*/
|
|
static void
|
|
hostnames(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0) {
|
|
if (showhostnames)
|
|
(void) fprintf(fp, "hostnames being shown\n");
|
|
else
|
|
(void) fprintf(fp, "hostnames not being shown\n");
|
|
} else {
|
|
if (STREQ(pcmd->argval[0].string, "yes"))
|
|
showhostnames = 1;
|
|
else if (STREQ(pcmd->argval[0].string, "no"))
|
|
showhostnames = 0;
|
|
else
|
|
(void)fprintf(stderr, "What?\n");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* setdebug - set/change debugging level
|
|
*/
|
|
static void
|
|
setdebug(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0) {
|
|
(void) fprintf(fp, "debug level is %d\n", debug);
|
|
return;
|
|
} else if (STREQ(pcmd->argval[0].string, "no")) {
|
|
debug = 0;
|
|
} else if (STREQ(pcmd->argval[0].string, "more")) {
|
|
debug++;
|
|
} else if (STREQ(pcmd->argval[0].string, "less")) {
|
|
debug--;
|
|
} else {
|
|
(void) fprintf(fp, "What?\n");
|
|
return;
|
|
}
|
|
(void) fprintf(fp, "debug level set to %d\n", debug);
|
|
}
|
|
|
|
|
|
/*
|
|
* quit - stop this nonsense
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
quit(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (havehost)
|
|
closesocket(sockfd); /* cleanliness next to godliness */
|
|
exit(0);
|
|
}
|
|
|
|
|
|
/*
|
|
* version - print the current version number
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
version(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
|
|
(void) fprintf(fp, "%s\n", Version);
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* raw - set raw mode output
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
raw(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
rawmode = 1;
|
|
(void) fprintf(fp, "Output set to raw\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* cooked - set cooked mode output
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
cooked(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
rawmode = 0;
|
|
(void) fprintf(fp, "Output set to cooked\n");
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* authenticate - always authenticate requests to this host
|
|
*/
|
|
static void
|
|
authenticate(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0) {
|
|
if (always_auth) {
|
|
(void) fprintf(fp,
|
|
"authenticated requests being sent\n");
|
|
} else
|
|
(void) fprintf(fp,
|
|
"unauthenticated requests being sent\n");
|
|
} else {
|
|
if (STREQ(pcmd->argval[0].string, "yes")) {
|
|
always_auth = 1;
|
|
} else if (STREQ(pcmd->argval[0].string, "no")) {
|
|
always_auth = 0;
|
|
} else
|
|
(void)fprintf(stderr, "What?\n");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* ntpversion - choose the NTP version to use
|
|
*/
|
|
static void
|
|
ntpversion(
|
|
struct parse *pcmd,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (pcmd->nargs == 0) {
|
|
(void) fprintf(fp,
|
|
"NTP version being claimed is %d\n", pktversion);
|
|
} else {
|
|
if (pcmd->argval[0].uval < NTP_OLDVERSION
|
|
|| pcmd->argval[0].uval > NTP_VERSION) {
|
|
(void) fprintf(stderr, "versions %d to %d, please\n",
|
|
NTP_OLDVERSION, NTP_VERSION);
|
|
} else {
|
|
pktversion = (u_char) pcmd->argval[0].uval;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* warning - print a warning message
|
|
*/
|
|
static void
|
|
warning(
|
|
const char *fmt,
|
|
const char *st1,
|
|
const char *st2
|
|
)
|
|
{
|
|
(void) fprintf(stderr, "%s: ", progname);
|
|
(void) fprintf(stderr, fmt, st1, st2);
|
|
(void) fprintf(stderr, ": ");
|
|
perror("");
|
|
}
|
|
|
|
|
|
/*
|
|
* error - print a message and exit
|
|
*/
|
|
static void
|
|
error(
|
|
const char *fmt,
|
|
const char *st1,
|
|
const char *st2
|
|
)
|
|
{
|
|
warning(fmt, st1, st2);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* getkeyid - prompt the user for a keyid to use
|
|
*/
|
|
static u_long
|
|
getkeyid(
|
|
const char *keyprompt
|
|
)
|
|
{
|
|
register char *p;
|
|
register int c;
|
|
FILE *fi;
|
|
char pbuf[20];
|
|
|
|
#ifndef SYS_WINNT
|
|
if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL)
|
|
#else
|
|
if ((fi = _fdopen((int)GetStdHandle(STD_INPUT_HANDLE), "r")) == NULL)
|
|
#endif /* SYS_WINNT */
|
|
fi = stdin;
|
|
else
|
|
setbuf(fi, (char *)NULL);
|
|
fprintf(stderr, "%s", keyprompt); fflush(stderr);
|
|
for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) {
|
|
if (p < &pbuf[18])
|
|
*p++ = (char)c;
|
|
}
|
|
*p = '\0';
|
|
if (fi != stdin)
|
|
fclose(fi);
|
|
if (strcmp(pbuf, "0") == 0)
|
|
return 0;
|
|
|
|
return (u_long) atoi(pbuf);
|
|
}
|
|
|
|
|
|
/*
|
|
* atoascii - printable-ize possibly ascii data using the character
|
|
* transformations cat -v uses.
|
|
*/
|
|
static void
|
|
atoascii(
|
|
int length,
|
|
char *data,
|
|
char *outdata
|
|
)
|
|
{
|
|
register u_char *cp;
|
|
register u_char *ocp;
|
|
register u_char c;
|
|
|
|
if (!data)
|
|
{
|
|
*outdata = '\0';
|
|
return;
|
|
}
|
|
|
|
ocp = (u_char *)outdata;
|
|
for (cp = (u_char *)data; cp < (u_char *)data + length; cp++) {
|
|
c = *cp;
|
|
if (c == '\0')
|
|
break;
|
|
if (c == '\0')
|
|
break;
|
|
if (c > 0177) {
|
|
*ocp++ = 'M';
|
|
*ocp++ = '-';
|
|
c &= 0177;
|
|
}
|
|
|
|
if (c < ' ') {
|
|
*ocp++ = '^';
|
|
*ocp++ = (u_char)(c + '@');
|
|
} else if (c == 0177) {
|
|
*ocp++ = '^';
|
|
*ocp++ = '?';
|
|
} else {
|
|
*ocp++ = c;
|
|
}
|
|
if (ocp >= ((u_char *)outdata + length - 4))
|
|
break;
|
|
}
|
|
*ocp++ = '\0';
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* makeascii - print possibly ascii data using the character
|
|
* transformations that cat -v uses.
|
|
*/
|
|
static void
|
|
makeascii(
|
|
int length,
|
|
char *data,
|
|
FILE *fp
|
|
)
|
|
{
|
|
register u_char *cp;
|
|
register int c;
|
|
|
|
for (cp = (u_char *)data; cp < (u_char *)data + length; cp++) {
|
|
c = (int)*cp;
|
|
if (c > 0177) {
|
|
putc('M', fp);
|
|
putc('-', fp);
|
|
c &= 0177;
|
|
}
|
|
|
|
if (c < ' ') {
|
|
putc('^', fp);
|
|
putc(c+'@', fp);
|
|
} else if (c == 0177) {
|
|
putc('^', fp);
|
|
putc('?', fp);
|
|
} else {
|
|
putc(c, fp);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* asciize - same thing as makeascii except add a newline
|
|
*/
|
|
void
|
|
asciize(
|
|
int length,
|
|
char *data,
|
|
FILE *fp
|
|
)
|
|
{
|
|
makeascii(length, data, fp);
|
|
putc('\n', fp);
|
|
}
|
|
|
|
|
|
/*
|
|
* Some circular buffer space
|
|
*/
|
|
#define CBLEN 80
|
|
#define NUMCB 6
|
|
|
|
char circ_buf[NUMCB][CBLEN];
|
|
int nextcb = 0;
|
|
|
|
/*
|
|
* nextvar - find the next variable in the buffer
|
|
*/
|
|
int
|
|
nextvar(
|
|
int *datalen,
|
|
char **datap,
|
|
char **vname,
|
|
char **vvalue
|
|
)
|
|
{
|
|
register char *cp;
|
|
register char *np;
|
|
register char *cpend;
|
|
register char *npend; /* character after last */
|
|
int quoted = 0;
|
|
static char name[MAXVARLEN];
|
|
static char value[MAXVALLEN];
|
|
|
|
cp = *datap;
|
|
cpend = cp + *datalen;
|
|
|
|
/*
|
|
* Space past commas and white space
|
|
*/
|
|
while (cp < cpend && (*cp == ',' || isspace((int)*cp)))
|
|
cp++;
|
|
if (cp == cpend)
|
|
return 0;
|
|
|
|
/*
|
|
* Copy name until we hit a ',', an '=', a '\r' or a '\n'. Backspace
|
|
* over any white space and terminate it.
|
|
*/
|
|
np = name;
|
|
npend = &name[MAXVARLEN];
|
|
while (cp < cpend && np < npend && *cp != ',' && *cp != '='
|
|
&& *cp != '\r' && *cp != '\n')
|
|
*np++ = *cp++;
|
|
/*
|
|
* Check if we ran out of name space, without reaching the end or a
|
|
* terminating character
|
|
*/
|
|
if (np == npend && !(cp == cpend || *cp == ',' || *cp == '=' ||
|
|
*cp == '\r' || *cp == '\n'))
|
|
return 0;
|
|
while (isspace((int)(*(np-1))))
|
|
np--;
|
|
*np = '\0';
|
|
*vname = name;
|
|
|
|
/*
|
|
* Check if we hit the end of the buffer or a ','. If so we are done.
|
|
*/
|
|
if (cp == cpend || *cp == ',' || *cp == '\r' || *cp == '\n') {
|
|
if (cp != cpend)
|
|
cp++;
|
|
*datap = cp;
|
|
*datalen = cpend - cp;
|
|
*vvalue = (char *)0;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* So far, so good. Copy out the value
|
|
*/
|
|
cp++; /* past '=' */
|
|
while (cp < cpend && (isspace((int)*cp) && *cp != '\r' && *cp != '\n'))
|
|
cp++;
|
|
np = value;
|
|
npend = &value[MAXVALLEN];
|
|
while (cp < cpend && np < npend && ((*cp != ',') || quoted))
|
|
{
|
|
quoted ^= ((*np++ = *cp++) == '"');
|
|
}
|
|
|
|
/*
|
|
* Check if we overran the value buffer while still in a quoted string
|
|
* or without finding a comma
|
|
*/
|
|
if (np == npend && (quoted || *cp != ','))
|
|
return 0;
|
|
/*
|
|
* Trim off any trailing whitespace
|
|
*/
|
|
while (np > value && isspace((int)(*(np-1))))
|
|
np--;
|
|
*np = '\0';
|
|
|
|
/*
|
|
* Return this. All done.
|
|
*/
|
|
if (cp != cpend)
|
|
cp++;
|
|
*datap = cp;
|
|
*datalen = cpend - cp;
|
|
*vvalue = value;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* findvar - see if this variable is known to us.
|
|
* If "code" is 1, return ctl_var->code.
|
|
* Otherwise return the ordinal position of the found variable.
|
|
*/
|
|
int
|
|
findvar(
|
|
char *varname,
|
|
struct ctl_var *varlist,
|
|
int code
|
|
)
|
|
{
|
|
register char *np;
|
|
register struct ctl_var *vl;
|
|
|
|
vl = varlist;
|
|
np = varname;
|
|
while (vl->fmt != EOV) {
|
|
if (vl->fmt != PADDING && STREQ(np, vl->text))
|
|
return (code)
|
|
? vl->code
|
|
: (vl - varlist)
|
|
;
|
|
vl++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* printvars - print variables returned in response packet
|
|
*/
|
|
void
|
|
printvars(
|
|
int length,
|
|
char *data,
|
|
int status,
|
|
int sttype,
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (rawmode)
|
|
rawprint(sttype, length, data, status, fp);
|
|
else
|
|
cookedprint(sttype, length, data, status, fp);
|
|
}
|
|
|
|
|
|
/*
|
|
* rawprint - do a printout of the data in raw mode
|
|
*/
|
|
static void
|
|
rawprint(
|
|
int datatype,
|
|
int length,
|
|
char *data,
|
|
int status,
|
|
FILE *fp
|
|
)
|
|
{
|
|
register char *cp;
|
|
register char *cpend;
|
|
|
|
/*
|
|
* Essentially print the data as is. We reformat unprintables, though.
|
|
*/
|
|
cp = data;
|
|
cpend = data + length;
|
|
|
|
(void) fprintf(fp, "status=0x%04x,\n", status);
|
|
|
|
while (cp < cpend) {
|
|
if (*cp == '\r') {
|
|
/*
|
|
* If this is a \r and the next character is a
|
|
* \n, supress this, else pretty print it. Otherwise
|
|
* just output the character.
|
|
*/
|
|
if (cp == (cpend-1) || *(cp+1) != '\n')
|
|
makeascii(1, cp, fp);
|
|
} else if (isspace((int)*cp) || isprint((int)*cp)) {
|
|
putc(*cp, fp);
|
|
} else {
|
|
makeascii(1, cp, fp);
|
|
}
|
|
cp++;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Global data used by the cooked output routines
|
|
*/
|
|
int out_chars; /* number of characters output */
|
|
int out_linecount; /* number of characters output on this line */
|
|
|
|
|
|
/*
|
|
* startoutput - get ready to do cooked output
|
|
*/
|
|
static void
|
|
startoutput(void)
|
|
{
|
|
out_chars = 0;
|
|
out_linecount = 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* output - output a variable=value combination
|
|
*/
|
|
static void
|
|
output(
|
|
FILE *fp,
|
|
char *name,
|
|
char *value
|
|
)
|
|
{
|
|
int lenname;
|
|
int lenvalue;
|
|
|
|
lenname = strlen(name);
|
|
lenvalue = strlen(value);
|
|
|
|
if (out_chars != 0) {
|
|
putc(',', fp);
|
|
out_chars++;
|
|
out_linecount++;
|
|
if ((out_linecount + lenname + lenvalue + 3) > MAXOUTLINE) {
|
|
putc('\n', fp);
|
|
out_chars++;
|
|
out_linecount = 0;
|
|
} else {
|
|
putc(' ', fp);
|
|
out_chars++;
|
|
out_linecount++;
|
|
}
|
|
}
|
|
|
|
fputs(name, fp);
|
|
putc('=', fp);
|
|
fputs(value, fp);
|
|
out_chars += lenname + 1 + lenvalue;
|
|
out_linecount += lenname + 1 + lenvalue;
|
|
}
|
|
|
|
|
|
/*
|
|
* endoutput - terminate a block of cooked output
|
|
*/
|
|
static void
|
|
endoutput(
|
|
FILE *fp
|
|
)
|
|
{
|
|
if (out_chars != 0)
|
|
putc('\n', fp);
|
|
}
|
|
|
|
|
|
/*
|
|
* outputarr - output an array of values
|
|
*/
|
|
static void
|
|
outputarr(
|
|
FILE *fp,
|
|
char *name,
|
|
int narr,
|
|
l_fp *lfp
|
|
)
|
|
{
|
|
register char *bp;
|
|
register char *cp;
|
|
register int i;
|
|
register int len;
|
|
char buf[256];
|
|
|
|
bp = buf;
|
|
/*
|
|
* Hack to align delay and offset values
|
|
*/
|
|
for (i = (int)strlen(name); i < 11; i++)
|
|
*bp++ = ' ';
|
|
|
|
for (i = narr; i > 0; i--) {
|
|
if (i != narr)
|
|
*bp++ = ' ';
|
|
cp = lfptoms(lfp, 2);
|
|
len = strlen(cp);
|
|
if (len > 7) {
|
|
cp[7] = '\0';
|
|
len = 7;
|
|
}
|
|
while (len < 7) {
|
|
*bp++ = ' ';
|
|
len++;
|
|
}
|
|
while (*cp != '\0')
|
|
*bp++ = *cp++;
|
|
lfp++;
|
|
}
|
|
*bp = '\0';
|
|
output(fp, name, buf);
|
|
}
|
|
|
|
static char *
|
|
tstflags(
|
|
u_long val
|
|
)
|
|
{
|
|
register char *cb, *s;
|
|
register int i;
|
|
register const char *sep;
|
|
|
|
sep = "";
|
|
i = 0;
|
|
s = cb = &circ_buf[nextcb][0];
|
|
if (++nextcb >= NUMCB)
|
|
nextcb = 0;
|
|
|
|
sprintf(cb, "%02lx", val);
|
|
cb += strlen(cb);
|
|
if (!val) {
|
|
strcat(cb, " ok");
|
|
cb += strlen(cb);
|
|
} else {
|
|
*cb++ = ' ';
|
|
for (i = 0; i < 13; i++) {
|
|
if (val & 0x1) {
|
|
sprintf(cb, "%s%s", sep, tstflagnames[i]);
|
|
sep = ", ";
|
|
cb += strlen(cb);
|
|
}
|
|
val >>= 1;
|
|
}
|
|
}
|
|
*cb = '\0';
|
|
return s;
|
|
}
|
|
|
|
/*
|
|
* cookedprint - output variables in cooked mode
|
|
*/
|
|
static void
|
|
cookedprint(
|
|
int datatype,
|
|
int length,
|
|
char *data,
|
|
int status,
|
|
FILE *fp
|
|
)
|
|
{
|
|
register int varid;
|
|
char *name;
|
|
char *value;
|
|
char output_raw;
|
|
int fmt;
|
|
struct ctl_var *varlist;
|
|
l_fp lfp;
|
|
long ival;
|
|
struct sockaddr_storage hval;
|
|
u_long uval;
|
|
l_fp lfparr[8];
|
|
int narr;
|
|
|
|
switch (datatype) {
|
|
case TYPE_PEER:
|
|
varlist = peer_var;
|
|
break;
|
|
case TYPE_SYS:
|
|
varlist = sys_var;
|
|
break;
|
|
case TYPE_CLOCK:
|
|
varlist = clock_var;
|
|
break;
|
|
default:
|
|
(void) fprintf(stderr, "Unknown datatype(0x%x) in cookedprint\n", datatype);
|
|
return;
|
|
}
|
|
|
|
(void) fprintf(fp, "status=%04x %s,\n", status,
|
|
statustoa(datatype, status));
|
|
|
|
startoutput();
|
|
while (nextvar(&length, &data, &name, &value)) {
|
|
varid = findvar(name, varlist, 0);
|
|
if (varid == 0) {
|
|
output_raw = '*';
|
|
} else {
|
|
output_raw = 0;
|
|
fmt = varlist[varid].fmt;
|
|
switch(fmt) {
|
|
case TS:
|
|
if (!decodets(value, &lfp))
|
|
output_raw = '?';
|
|
else
|
|
output(fp, name, prettydate(&lfp));
|
|
break;
|
|
case FL:
|
|
case FU:
|
|
case FS:
|
|
if (!decodetime(value, &lfp))
|
|
output_raw = '?';
|
|
else {
|
|
switch (fmt) {
|
|
case FL:
|
|
output(fp, name,
|
|
lfptoms(&lfp, 3));
|
|
break;
|
|
case FU:
|
|
output(fp, name,
|
|
ulfptoms(&lfp, 3));
|
|
break;
|
|
case FS:
|
|
output(fp, name,
|
|
lfptoms(&lfp, 3));
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case UI:
|
|
if (!decodeuint(value, &uval))
|
|
output_raw = '?';
|
|
else
|
|
output(fp, name, uinttoa(uval));
|
|
break;
|
|
|
|
case SI:
|
|
if (!decodeint(value, &ival))
|
|
output_raw = '?';
|
|
else
|
|
output(fp, name, inttoa(ival));
|
|
break;
|
|
|
|
case HA:
|
|
case NA:
|
|
if (!decodenetnum(value, &hval))
|
|
output_raw = '?';
|
|
else if (fmt == HA){
|
|
output(fp, name, nntohost(&hval));
|
|
} else {
|
|
output(fp, name, stoa(&hval));
|
|
}
|
|
break;
|
|
|
|
case ST:
|
|
output_raw = '*';
|
|
break;
|
|
|
|
case RF:
|
|
if (decodenetnum(value, &hval)) {
|
|
if ((hval.ss_family == AF_INET) &&
|
|
ISREFCLOCKADR(&hval))
|
|
output(fp, name,
|
|
refnumtoa(&hval));
|
|
else
|
|
output(fp, name, stoa(&hval));
|
|
} else if ((int)strlen(value) <= 4)
|
|
output(fp, name, value);
|
|
else
|
|
output_raw = '?';
|
|
break;
|
|
|
|
case LP:
|
|
if (!decodeuint(value, &uval) || uval > 3)
|
|
output_raw = '?';
|
|
else {
|
|
char b[3];
|
|
b[0] = b[1] = '0';
|
|
if (uval & 0x2)
|
|
b[0] = '1';
|
|
if (uval & 0x1)
|
|
b[1] = '1';
|
|
b[2] = '\0';
|
|
output(fp, name, b);
|
|
}
|
|
break;
|
|
|
|
case OC:
|
|
if (!decodeuint(value, &uval))
|
|
output_raw = '?';
|
|
else {
|
|
char b[10];
|
|
|
|
(void) sprintf(b, "%03lo", uval);
|
|
output(fp, name, b);
|
|
}
|
|
break;
|
|
|
|
case MD:
|
|
if (!decodeuint(value, &uval))
|
|
output_raw = '?';
|
|
else
|
|
output(fp, name, uinttoa(uval));
|
|
break;
|
|
|
|
case AR:
|
|
if (!decodearr(value, &narr, lfparr))
|
|
output_raw = '?';
|
|
else
|
|
outputarr(fp, name, narr, lfparr);
|
|
break;
|
|
|
|
case FX:
|
|
if (!decodeuint(value, &uval))
|
|
output_raw = '?';
|
|
else
|
|
output(fp, name, tstflags(uval));
|
|
break;
|
|
|
|
default:
|
|
(void) fprintf(stderr,
|
|
"Internal error in cookedprint, %s=%s, fmt %d\n",
|
|
name, value, fmt);
|
|
break;
|
|
}
|
|
|
|
}
|
|
if (output_raw != 0) {
|
|
char bn[401];
|
|
char bv[401];
|
|
int len;
|
|
|
|
atoascii(400, name, bn);
|
|
atoascii(400, value, bv);
|
|
if (output_raw != '*') {
|
|
len = strlen(bv);
|
|
bv[len] = output_raw;
|
|
bv[len+1] = '\0';
|
|
}
|
|
output(fp, bn, bv);
|
|
}
|
|
}
|
|
endoutput(fp);
|
|
}
|
|
|
|
|
|
/*
|
|
* sortassoc - sort associations in the cache into ascending order
|
|
*/
|
|
void
|
|
sortassoc(void)
|
|
{
|
|
if (numassoc > 1)
|
|
qsort(
|
|
#ifdef QSORT_USES_VOID_P
|
|
(void *)
|
|
#else
|
|
(char *)
|
|
#endif
|
|
assoc_cache, (size_t)numassoc,
|
|
sizeof(struct association), assoccmp);
|
|
}
|
|
|
|
|
|
/*
|
|
* assoccmp - compare two associations
|
|
*/
|
|
#ifdef QSORT_USES_VOID_P
|
|
static int
|
|
assoccmp(
|
|
const void *t1,
|
|
const void *t2
|
|
)
|
|
{
|
|
const struct association *ass1 = (const struct association *)t1;
|
|
const struct association *ass2 = (const struct association *)t2;
|
|
|
|
if (ass1->assid < ass2->assid)
|
|
return -1;
|
|
if (ass1->assid > ass2->assid)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
#else
|
|
static int
|
|
assoccmp(
|
|
struct association *ass1,
|
|
struct association *ass2
|
|
)
|
|
{
|
|
if (ass1->assid < ass2->assid)
|
|
return -1;
|
|
if (ass1->assid > ass2->assid)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
#endif /* not QSORT_USES_VOID_P */
|