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freebsd-dev/contrib/ntp/ntpq/ntpq-subs.c
Cy Schubert 276da39af9 MFV ntp-4.2.8p3 (r284990). 
Approved by:	roberto, delphij
Security:	VuXML: 0d0f3050-1f69-11e5-9ba9-d050996490d0
Security:	http://bugs.ntp.org/show_bug.cgi?id=2853
Security:	https://www.kb.cert.org/vuls/id/668167
Security:	http://support.ntp.org/bin/view/Main/SecurityNotice#June_2015_NTP_Security_Vulnerabi
2015-07-05 15:42:16 +00:00

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89 KiB
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/*
* ntpq-subs.c - subroutines which are called to perform ntpq commands.
*/
#include <config.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/time.h>
#include "ntpq.h"
#include "ntpq-opts.h"
extern char currenthost[];
extern int currenthostisnum;
size_t maxhostlen;
/*
* Declarations for command handlers in here
*/
static associd_t checkassocid (u_int32);
static struct varlist *findlistvar (struct varlist *, char *);
static void doaddvlist (struct varlist *, const char *);
static void dormvlist (struct varlist *, const char *);
static void doclearvlist (struct varlist *);
static void makequerydata (struct varlist *, int *, char *);
static int doquerylist (struct varlist *, int, associd_t, int,
u_short *, int *, const char **);
static void doprintvlist (struct varlist *, FILE *);
static void addvars (struct parse *, FILE *);
static void rmvars (struct parse *, FILE *);
static void clearvars (struct parse *, FILE *);
static void showvars (struct parse *, FILE *);
static int dolist (struct varlist *, associd_t, int, int,
FILE *);
static void readlist (struct parse *, FILE *);
static void writelist (struct parse *, FILE *);
static void readvar (struct parse *, FILE *);
static void writevar (struct parse *, FILE *);
static void clocklist (struct parse *, FILE *);
static void clockvar (struct parse *, FILE *);
static int findassidrange (u_int32, u_int32, int *, int *,
FILE *);
static void mreadlist (struct parse *, FILE *);
static void mreadvar (struct parse *, FILE *);
static void printassoc (int, FILE *);
static void associations (struct parse *, FILE *);
static void lassociations (struct parse *, FILE *);
static void passociations (struct parse *, FILE *);
static void lpassociations (struct parse *, FILE *);
#ifdef UNUSED
static void radiostatus (struct parse *, FILE *);
#endif /* UNUSED */
static void authinfo (struct parse *, FILE *);
static void pstats (struct parse *, FILE *);
static long when (l_fp *, l_fp *, l_fp *);
static char * prettyinterval (char *, size_t, long);
static int doprintpeers (struct varlist *, int, int, int, const char *, FILE *, int);
static int dogetpeers (struct varlist *, associd_t, FILE *, int);
static void dopeers (int, FILE *, int);
static void peers (struct parse *, FILE *);
static void doapeers (int, FILE *, int);
static void apeers (struct parse *, FILE *);
static void lpeers (struct parse *, FILE *);
static void doopeers (int, FILE *, int);
static void opeers (struct parse *, FILE *);
static void lopeers (struct parse *, FILE *);
static void config (struct parse *, FILE *);
static void saveconfig (struct parse *, FILE *);
static void config_from_file(struct parse *, FILE *);
static void mrulist (struct parse *, FILE *);
static void ifstats (struct parse *, FILE *);
static void reslist (struct parse *, FILE *);
static void sysstats (struct parse *, FILE *);
static void sysinfo (struct parse *, FILE *);
static void kerninfo (struct parse *, FILE *);
static void monstats (struct parse *, FILE *);
static void iostats (struct parse *, FILE *);
static void timerstats (struct parse *, FILE *);
/*
* Commands we understand. Ntpdc imports this.
*/
struct xcmd opcmds[] = {
{ "saveconfig", saveconfig, { NTP_STR, NO, NO, NO },
{ "filename", "", "", ""},
"save ntpd configuration to file, . for current config file"},
{ "associations", associations, { NO, NO, NO, NO },
{ "", "", "", "" },
"print list of association ID's and statuses for the server's peers" },
{ "passociations", passociations, { NO, NO, NO, NO },
{ "", "", "", "" },
"print list of associations returned by last associations command" },
{ "lassociations", lassociations, { NO, NO, NO, NO },
{ "", "", "", "" },
"print list of associations including all client information" },
{ "lpassociations", lpassociations, { NO, NO, NO, NO },
{ "", "", "", "" },
"print last obtained list of associations, including client information" },
{ "addvars", addvars, { NTP_STR, NO, NO, NO },
{ "name[=value][,...]", "", "", "" },
"add variables to the variable list or change their values" },
{ "rmvars", rmvars, { NTP_STR, NO, NO, NO },
{ "name[,...]", "", "", "" },
"remove variables from the variable list" },
{ "clearvars", clearvars, { NO, NO, NO, NO },
{ "", "", "", "" },
"remove all variables from the variable list" },
{ "showvars", showvars, { NO, NO, NO, NO },
{ "", "", "", "" },
"print variables on the variable list" },
{ "readlist", readlist, { OPT|NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"read the system or peer variables included in the variable list" },
{ "rl", readlist, { OPT|NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"read the system or peer variables included in the variable list" },
{ "writelist", writelist, { OPT|NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"write the system or peer variables included in the variable list" },
{ "readvar", readvar, { OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, },
{ "assocID", "varname1", "varname2", "varname3" },
"read system or peer variables" },
{ "rv", readvar, { OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, },
{ "assocID", "varname1", "varname2", "varname3" },
"read system or peer variables" },
{ "writevar", writevar, { NTP_UINT, NTP_STR, NO, NO },
{ "assocID", "name=value,[...]", "", "" },
"write system or peer variables" },
{ "mreadlist", mreadlist, { NTP_UINT, NTP_UINT, NO, NO },
{ "assocIDlow", "assocIDhigh", "", "" },
"read the peer variables in the variable list for multiple peers" },
{ "mrl", mreadlist, { NTP_UINT, NTP_UINT, NO, NO },
{ "assocIDlow", "assocIDhigh", "", "" },
"read the peer variables in the variable list for multiple peers" },
{ "mreadvar", mreadvar, { NTP_UINT, NTP_UINT, OPT|NTP_STR, NO },
{ "assocIDlow", "assocIDhigh", "name=value[,...]", "" },
"read peer variables from multiple peers" },
{ "mrv", mreadvar, { NTP_UINT, NTP_UINT, OPT|NTP_STR, NO },
{ "assocIDlow", "assocIDhigh", "name=value[,...]", "" },
"read peer variables from multiple peers" },
{ "clocklist", clocklist, { OPT|NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"read the clock variables included in the variable list" },
{ "cl", clocklist, { OPT|NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"read the clock variables included in the variable list" },
{ "clockvar", clockvar, { OPT|NTP_UINT, OPT|NTP_STR, NO, NO },
{ "assocID", "name=value[,...]", "", "" },
"read clock variables" },
{ "cv", clockvar, { OPT|NTP_UINT, OPT|NTP_STR, NO, NO },
{ "assocID", "name=value[,...]", "", "" },
"read clock variables" },
{ "pstats", pstats, { NTP_UINT, NO, NO, NO },
{ "assocID", "", "", "" },
"show statistics for a peer" },
{ "peers", peers, { OPT|IP_VERSION, NO, NO, NO },
{ "-4|-6", "", "", "" },
"obtain and print a list of the server's peers [IP version]" },
{ "apeers", apeers, { OPT|IP_VERSION, NO, NO, NO },
{ "-4|-6", "", "", "" },
"obtain and print a list of the server's peers and their assocIDs [IP version]" },
{ "lpeers", lpeers, { OPT|IP_VERSION, NO, NO, NO },
{ "-4|-6", "", "", "" },
"obtain and print a list of all peers and clients [IP version]" },
{ "opeers", opeers, { OPT|IP_VERSION, NO, NO, NO },
{ "-4|-6", "", "", "" },
"print peer list the old way, with dstadr shown rather than refid [IP version]" },
{ "lopeers", lopeers, { OPT|IP_VERSION, NO, NO, NO },
{ "-4|-6", "", "", "" },
"obtain and print a list of all peers and clients showing dstadr [IP version]" },
{ ":config", config, { NTP_STR, NO, NO, NO },
{ "<configuration command line>", "", "", "" },
"send a remote configuration command to ntpd" },
{ "config-from-file", config_from_file, { NTP_STR, NO, NO, NO },
{ "<configuration filename>", "", "", "" },
"configure ntpd using the configuration filename" },
{ "mrulist", mrulist, { OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
{ "tag=value", "tag=value", "tag=value", "tag=value" },
"display the list of most recently seen source addresses, tags mincount=... resall=0x... resany=0x..." },
{ "ifstats", ifstats, { NO, NO, NO, NO },
{ "", "", "", "" },
"show statistics for each local address ntpd is using" },
{ "reslist", reslist, { NO, NO, NO, NO },
{ "", "", "", "" },
"show ntpd access control list" },
{ "sysinfo", sysinfo, { NO, NO, NO, NO },
{ "", "", "", "" },
"display system summary" },
{ "kerninfo", kerninfo, { NO, NO, NO, NO },
{ "", "", "", "" },
"display kernel loop and PPS statistics" },
{ "sysstats", sysstats, { NO, NO, NO, NO },
{ "", "", "", "" },
"display system uptime and packet counts" },
{ "monstats", monstats, { NO, NO, NO, NO },
{ "", "", "", "" },
"display monitor (mrulist) counters and limits" },
{ "authinfo", authinfo, { NO, NO, NO, NO },
{ "", "", "", "" },
"display symmetric authentication counters" },
{ "iostats", iostats, { NO, NO, NO, NO },
{ "", "", "", "" },
"display network input and output counters" },
{ "timerstats", timerstats, { NO, NO, NO, NO },
{ "", "", "", "" },
"display interval timer counters" },
{ 0, 0, { NO, NO, NO, NO },
{ "-4|-6", "", "", "" }, "" }
};
/*
* Variable list data space
*/
#define MAXLINE 512 /* maximum length of a line */
#define MAXLIST 128 /* maximum variables in list */
#define LENHOSTNAME 256 /* host name limit */
#define MRU_GOT_COUNT 0x1
#define MRU_GOT_LAST 0x2
#define MRU_GOT_FIRST 0x4
#define MRU_GOT_MV 0x8
#define MRU_GOT_RS 0x10
#define MRU_GOT_ADDR 0x20
#define MRU_GOT_ALL (MRU_GOT_COUNT | MRU_GOT_LAST | MRU_GOT_FIRST \
| MRU_GOT_MV | MRU_GOT_RS | MRU_GOT_ADDR)
/*
* mrulist() depends on MRUSORT_DEF and MRUSORT_RDEF being the first two
*/
typedef enum mru_sort_order_tag {
MRUSORT_DEF = 0, /* lstint ascending */
MRUSORT_R_DEF, /* lstint descending */
MRUSORT_AVGINT, /* avgint ascending */
MRUSORT_R_AVGINT, /* avgint descending */
MRUSORT_ADDR, /* IPv4 asc. then IPv6 asc. */
MRUSORT_R_ADDR, /* IPv6 desc. then IPv4 desc. */
MRUSORT_COUNT, /* hit count ascending */
MRUSORT_R_COUNT, /* hit count descending */
MRUSORT_MAX, /* special: count of this enum */
} mru_sort_order;
const char * const mru_sort_keywords[MRUSORT_MAX] = {
"lstint", /* MRUSORT_DEF */
"-lstint", /* MRUSORT_R_DEF */
"avgint", /* MRUSORT_AVGINT */
"-avgint", /* MRUSORT_R_AVGINT */
"addr", /* MRUSORT_ADDR */
"-addr", /* MRUSORT_R_ADDR */
"count", /* MRUSORT_COUNT */
"-count", /* MRUSORT_R_COUNT */
};
typedef int (*qsort_cmp)(const void *, const void *);
/*
* Old CTL_PST defines for version 2.
*/
#define OLD_CTL_PST_CONFIG 0x80
#define OLD_CTL_PST_AUTHENABLE 0x40
#define OLD_CTL_PST_AUTHENTIC 0x20
#define OLD_CTL_PST_REACH 0x10
#define OLD_CTL_PST_SANE 0x08
#define OLD_CTL_PST_DISP 0x04
#define OLD_CTL_PST_SEL_REJECT 0
#define OLD_CTL_PST_SEL_SELCAND 1
#define OLD_CTL_PST_SEL_SYNCCAND 2
#define OLD_CTL_PST_SEL_SYSPEER 3
char flash2[] = " .+* "; /* flash decode for version 2 */
char flash3[] = " x.-+#*o"; /* flash decode for peer status version 3 */
struct varlist {
const char *name;
char *value;
} g_varlist[MAXLIST] = { { 0, 0 } };
/*
* Imported from ntpq.c
*/
extern int showhostnames;
extern int wideremote;
extern int rawmode;
extern struct servent *server_entry;
extern struct association *assoc_cache;
extern u_char pktversion;
typedef struct mru_tag mru;
struct mru_tag {
mru * hlink; /* next in hash table bucket */
DECL_DLIST_LINK(mru, mlink);
int count;
l_fp last;
l_fp first;
u_char mode;
u_char ver;
u_short rs;
sockaddr_u addr;
};
typedef struct ifstats_row_tag {
u_int ifnum;
sockaddr_u addr;
sockaddr_u bcast;
int enabled;
u_int flags;
int mcast_count;
char name[32];
int peer_count;
int received;
int sent;
int send_errors;
u_int ttl;
u_int uptime;
} ifstats_row;
typedef struct reslist_row_tag {
u_int idx;
sockaddr_u addr;
sockaddr_u mask;
u_long hits;
char flagstr[128];
} reslist_row;
typedef struct var_display_collection_tag {
const char * const tag; /* system variable */
const char * const display; /* descriptive text */
u_char type; /* NTP_STR, etc */
union {
char * str;
sockaddr_u sau; /* NTP_ADD */
l_fp lfp; /* NTP_LFP */
} v; /* retrieved value */
} vdc;
#if !defined(MISSING_C99_STRUCT_INIT)
# define VDC_INIT(a, b, c) { .tag = a, .display = b, .type = c }
#else
# define VDC_INIT(a, b, c) { a, b, c }
#endif
/*
* other local function prototypes
*/
void mrulist_ctrl_c_hook(void);
static mru * add_mru(mru *);
static int collect_mru_list(const char *, l_fp *);
static int fetch_nonce(char *, size_t);
static int qcmp_mru_avgint(const void *, const void *);
static int qcmp_mru_r_avgint(const void *, const void *);
static int qcmp_mru_addr(const void *, const void *);
static int qcmp_mru_r_addr(const void *, const void *);
static int qcmp_mru_count(const void *, const void *);
static int qcmp_mru_r_count(const void *, const void *);
static void validate_ifnum(FILE *, u_int, int *, ifstats_row *);
static void another_ifstats_field(int *, ifstats_row *, FILE *);
static void collect_display_vdc(associd_t as, vdc *table,
int decodestatus, FILE *fp);
/*
* static globals
*/
static u_int mru_count;
static u_int mru_dupes;
volatile int mrulist_interrupted;
static mru mru_list; /* listhead */
static mru ** hash_table;
/*
* qsort comparison function table for mrulist(). The first two
* entries are NULL because they are handled without qsort().
*/
static const qsort_cmp mru_qcmp_table[MRUSORT_MAX] = {
NULL, /* MRUSORT_DEF unused */
NULL, /* MRUSORT_R_DEF unused */
&qcmp_mru_avgint, /* MRUSORT_AVGINT */
&qcmp_mru_r_avgint, /* MRUSORT_R_AVGINT */
&qcmp_mru_addr, /* MRUSORT_ADDR */
&qcmp_mru_r_addr, /* MRUSORT_R_ADDR */
&qcmp_mru_count, /* MRUSORT_COUNT */
&qcmp_mru_r_count, /* MRUSORT_R_COUNT */
};
/*
* checkassocid - return the association ID, checking to see if it is valid
*/
static associd_t
checkassocid(
u_int32 value
)
{
associd_t associd;
u_long ulvalue;
associd = (associd_t)value;
if (0 == associd || value != associd) {
ulvalue = value;
fprintf(stderr,
"***Invalid association ID %lu specified\n",
ulvalue);
return 0;
}
return associd;
}
/*
* findlistvar - Look for the named variable in a varlist. If found,
* return a pointer to it. Otherwise, if the list has
* slots available, return the pointer to the first free
* slot, or NULL if it's full.
*/
static struct varlist *
findlistvar(
struct varlist *list,
char *name
)
{
struct varlist *vl;
for (vl = list; vl < list + MAXLIST && vl->name != NULL; vl++)
if (!strcmp(name, vl->name))
return vl;
if (vl < list + MAXLIST)
return vl;
return NULL;
}
/*
* doaddvlist - add variable(s) to the variable list
*/
static void
doaddvlist(
struct varlist *vlist,
const char *vars
)
{
struct varlist *vl;
int len;
char *name;
char *value;
len = strlen(vars);
while (nextvar(&len, &vars, &name, &value)) {
vl = findlistvar(vlist, name);
if (NULL == vl) {
fprintf(stderr, "Variable list full\n");
return;
}
if (NULL == vl->name) {
vl->name = estrdup(name);
} else if (vl->value != NULL) {
free(vl->value);
vl->value = NULL;
}
if (value != NULL)
vl->value = estrdup(value);
}
}
/*
* dormvlist - remove variable(s) from the variable list
*/
static void
dormvlist(
struct varlist *vlist,
const char *vars
)
{
struct varlist *vl;
int len;
char *name;
char *value;
len = strlen(vars);
while (nextvar(&len, &vars, &name, &value)) {
vl = findlistvar(vlist, name);
if (vl == 0 || vl->name == 0) {
(void) fprintf(stderr, "Variable `%s' not found\n",
name);
} else {
free((void *)(intptr_t)vl->name);
if (vl->value != 0)
free(vl->value);
for ( ; (vl+1) < (g_varlist + MAXLIST)
&& (vl+1)->name != 0; vl++) {
vl->name = (vl+1)->name;
vl->value = (vl+1)->value;
}
vl->name = vl->value = 0;
}
}
}
/*
* doclearvlist - clear a variable list
*/
static void
doclearvlist(
struct varlist *vlist
)
{
register struct varlist *vl;
for (vl = vlist; vl < vlist + MAXLIST && vl->name != 0; vl++) {
free((void *)(intptr_t)vl->name);
vl->name = 0;
if (vl->value != 0) {
free(vl->value);
vl->value = 0;
}
}
}
/*
* makequerydata - form a data buffer to be included with a query
*/
static void
makequerydata(
struct varlist *vlist,
int *datalen,
char *data
)
{
register struct varlist *vl;
register char *cp, *cpend;
register int namelen, valuelen;
register int totallen;
cp = data;
cpend = data + *datalen;
for (vl = vlist; vl < vlist + MAXLIST && vl->name != 0; vl++) {
namelen = strlen(vl->name);
if (vl->value == 0)
valuelen = 0;
else
valuelen = strlen(vl->value);
totallen = namelen + valuelen + (valuelen != 0) + (cp != data);
if (cp + totallen > cpend) {
fprintf(stderr,
"***Ignoring variables starting with `%s'\n",
vl->name);
break;
}
if (cp != data)
*cp++ = ',';
memcpy(cp, vl->name, (size_t)namelen);
cp += namelen;
if (valuelen != 0) {
*cp++ = '=';
memcpy(cp, vl->value, (size_t)valuelen);
cp += valuelen;
}
}
*datalen = cp - data;
}
/*
* doquerylist - send a message including variables in a list
*/
static int
doquerylist(
struct varlist *vlist,
int op,
associd_t associd,
int auth,
u_short *rstatus,
int *dsize,
const char **datap
)
{
char data[CTL_MAX_DATA_LEN];
int datalen;
datalen = sizeof(data);
makequerydata(vlist, &datalen, data);
return doquery(op, associd, auth, datalen, data, rstatus, dsize,
datap);
}
/*
* doprintvlist - print the variables on a list
*/
static void
doprintvlist(
struct varlist *vlist,
FILE *fp
)
{
size_t n;
if (NULL == vlist->name) {
fprintf(fp, "No variables on list\n");
return;
}
for (n = 0; n < MAXLIST && vlist[n].name != NULL; n++) {
if (NULL == vlist[n].value)
fprintf(fp, "%s\n", vlist[n].name);
else
fprintf(fp, "%s=%s\n", vlist[n].name,
vlist[n].value);
}
}
/*
* addvars - add variables to the variable list
*/
/*ARGSUSED*/
static void
addvars(
struct parse *pcmd,
FILE *fp
)
{
doaddvlist(g_varlist, pcmd->argval[0].string);
}
/*
* rmvars - remove variables from the variable list
*/
/*ARGSUSED*/
static void
rmvars(
struct parse *pcmd,
FILE *fp
)
{
dormvlist(g_varlist, pcmd->argval[0].string);
}
/*
* clearvars - clear the variable list
*/
/*ARGSUSED*/
static void
clearvars(
struct parse *pcmd,
FILE *fp
)
{
doclearvlist(g_varlist);
}
/*
* showvars - show variables on the variable list
*/
/*ARGSUSED*/
static void
showvars(
struct parse *pcmd,
FILE *fp
)
{
doprintvlist(g_varlist, fp);
}
/*
* dolist - send a request with the given list of variables
*/
static int
dolist(
struct varlist *vlist,
associd_t associd,
int op,
int type,
FILE *fp
)
{
const char *datap;
int res;
int dsize;
u_short rstatus;
int quiet;
/*
* if we're asking for specific variables don't include the
* status header line in the output.
*/
if (old_rv)
quiet = 0;
else
quiet = (vlist->name != NULL);
res = doquerylist(vlist, op, associd, 0, &rstatus, &dsize, &datap);
if (res != 0)
return 0;
if (numhosts > 1)
fprintf(fp, "server=%s ", currenthost);
if (dsize == 0) {
if (associd == 0)
fprintf(fp, "No system%s variables returned\n",
(type == TYPE_CLOCK) ? " clock" : "");
else
fprintf(fp,
"No information returned for%s association %u\n",
(type == TYPE_CLOCK) ? " clock" : "",
associd);
return 1;
}
if (!quiet)
fprintf(fp, "associd=%u ", associd);
printvars(dsize, datap, (int)rstatus, type, quiet, fp);
return 1;
}
/*
* readlist - send a read variables request with the variables on the list
*/
static void
readlist(
struct parse *pcmd,
FILE *fp
)
{
associd_t associd;
int type;
if (pcmd->nargs == 0) {
associd = 0;
} else {
/* HMS: I think we want the u_int32 target here, not the u_long */
if (pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
}
type = (0 == associd)
? TYPE_SYS
: TYPE_PEER;
dolist(g_varlist, associd, CTL_OP_READVAR, type, fp);
}
/*
* writelist - send a write variables request with the variables on the list
*/
static void
writelist(
struct parse *pcmd,
FILE *fp
)
{
const char *datap;
int res;
associd_t associd;
int dsize;
u_short rstatus;
if (pcmd->nargs == 0) {
associd = 0;
} else {
/* HMS: Do we really want uval here? */
if (pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
}
res = doquerylist(g_varlist, CTL_OP_WRITEVAR, associd, 1, &rstatus,
&dsize, &datap);
if (res != 0)
return;
if (numhosts > 1)
(void) fprintf(fp, "server=%s ", currenthost);
if (dsize == 0)
(void) fprintf(fp, "done! (no data returned)\n");
else {
(void) fprintf(fp,"associd=%u ", associd);
printvars(dsize, datap, (int)rstatus,
(associd != 0) ? TYPE_PEER : TYPE_SYS, 0, fp);
}
return;
}
/*
* readvar - send a read variables request with the specified variables
*/
static void
readvar(
struct parse *pcmd,
FILE *fp
)
{
associd_t associd;
u_int tmpcount;
u_int u;
int type;
struct varlist tmplist[MAXLIST];
/* HMS: uval? */
if (pcmd->nargs == 0 || pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
ZERO(tmplist);
if (pcmd->nargs > 1) {
tmpcount = pcmd->nargs - 1;
for (u = 0; u < tmpcount; u++)
doaddvlist(tmplist, pcmd->argval[1 + u].string);
}
type = (0 == associd)
? TYPE_SYS
: TYPE_PEER;
dolist(tmplist, associd, CTL_OP_READVAR, type, fp);
doclearvlist(tmplist);
}
/*
* writevar - send a write variables request with the specified variables
*/
static void
writevar(
struct parse *pcmd,
FILE *fp
)
{
const char *datap;
int res;
associd_t associd;
int type;
int dsize;
u_short rstatus;
struct varlist tmplist[MAXLIST];
/* HMS: uval? */
if (pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
ZERO(tmplist);
doaddvlist(tmplist, pcmd->argval[1].string);
res = doquerylist(tmplist, CTL_OP_WRITEVAR, associd, 1, &rstatus,
&dsize, &datap);
doclearvlist(tmplist);
if (res != 0)
return;
if (numhosts > 1)
fprintf(fp, "server=%s ", currenthost);
if (dsize == 0)
fprintf(fp, "done! (no data returned)\n");
else {
fprintf(fp,"associd=%u ", associd);
type = (0 == associd)
? TYPE_SYS
: TYPE_PEER;
printvars(dsize, datap, (int)rstatus, type, 0, fp);
}
return;
}
/*
* clocklist - send a clock variables request with the variables on the list
*/
static void
clocklist(
struct parse *pcmd,
FILE *fp
)
{
associd_t associd;
/* HMS: uval? */
if (pcmd->nargs == 0) {
associd = 0;
} else {
if (pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
}
dolist(g_varlist, associd, CTL_OP_READCLOCK, TYPE_CLOCK, fp);
}
/*
* clockvar - send a clock variables request with the specified variables
*/
static void
clockvar(
struct parse *pcmd,
FILE *fp
)
{
associd_t associd;
struct varlist tmplist[MAXLIST];
/* HMS: uval? */
if (pcmd->nargs == 0 || pcmd->argval[0].uval == 0)
associd = 0;
else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
return;
ZERO(tmplist);
if (pcmd->nargs >= 2)
doaddvlist(tmplist, pcmd->argval[1].string);
dolist(tmplist, associd, CTL_OP_READCLOCK, TYPE_CLOCK, fp);
doclearvlist(tmplist);
}
/*
* findassidrange - verify a range of association ID's
*/
static int
findassidrange(
u_int32 assid1,
u_int32 assid2,
int * from,
int * to,
FILE * fp
)
{
associd_t assids[2];
int ind[COUNTOF(assids)];
u_int i;
size_t a;
if (0 == numassoc)
dogetassoc(fp);
assids[0] = checkassocid(assid1);
if (0 == assids[0])
return 0;
assids[1] = checkassocid(assid2);
if (0 == assids[1])
return 0;
for (a = 0; a < COUNTOF(assids); a++) {
ind[a] = -1;
for (i = 0; i < numassoc; i++)
if (assoc_cache[i].assid == assids[a])
ind[a] = i;
}
for (a = 0; a < COUNTOF(assids); a++)
if (-1 == ind[a]) {
fprintf(stderr,
"***Association ID %u not found in list\n",
assids[a]);
return 0;
}
if (ind[0] < ind[1]) {
*from = ind[0];
*to = ind[1];
} else {
*to = ind[0];
*from = ind[1];
}
return 1;
}
/*
* mreadlist - send a read variables request for multiple associations
*/
static void
mreadlist(
struct parse *pcmd,
FILE *fp
)
{
int i;
int from;
int to;
if (!findassidrange(pcmd->argval[0].uval, pcmd->argval[1].uval,
&from, &to, fp))
return;
for (i = from; i <= to; i++) {
if (i != from)
fprintf(fp, "\n");
if (!dolist(g_varlist, assoc_cache[i].assid,
CTL_OP_READVAR, TYPE_PEER, fp))
return;
}
return;
}
/*
* mreadvar - send a read variables request for multiple associations
*/
static void
mreadvar(
struct parse *pcmd,
FILE *fp
)
{
int i;
int from;
int to;
struct varlist tmplist[MAXLIST];
struct varlist *pvars;
if (!findassidrange(pcmd->argval[0].uval, pcmd->argval[1].uval,
&from, &to, fp))
return;
ZERO(tmplist);
if (pcmd->nargs >= 3) {
doaddvlist(tmplist, pcmd->argval[2].string);
pvars = tmplist;
} else {
pvars = g_varlist;
}
for (i = from; i <= to; i++) {
if (!dolist(pvars, assoc_cache[i].assid, CTL_OP_READVAR,
TYPE_PEER, fp))
break;
}
if (pvars == tmplist)
doclearvlist(tmplist);
return;
}
/*
* dogetassoc - query the host for its list of associations
*/
int
dogetassoc(
FILE *fp
)
{
const char *datap;
const u_short *pus;
int res;
int dsize;
u_short rstatus;
res = doquery(CTL_OP_READSTAT, 0, 0, 0, (char *)0, &rstatus,
&dsize, &datap);
if (res != 0)
return 0;
if (dsize == 0) {
if (numhosts > 1)
fprintf(fp, "server=%s ", currenthost);
fprintf(fp, "No association ID's returned\n");
return 0;
}
if (dsize & 0x3) {
if (numhosts > 1)
fprintf(stderr, "server=%s ", currenthost);
fprintf(stderr,
"***Server returned %d octets, should be multiple of 4\n",
dsize);
return 0;
}
numassoc = 0;
while (dsize > 0) {
if (numassoc >= assoc_cache_slots) {
grow_assoc_cache();
}
pus = (const void *)datap;
assoc_cache[numassoc].assid = ntohs(*pus);
datap += sizeof(*pus);
pus = (const void *)datap;
assoc_cache[numassoc].status = ntohs(*pus);
datap += sizeof(*pus);
dsize -= 2 * sizeof(*pus);
if (debug) {
fprintf(stderr, "[%u] ",
assoc_cache[numassoc].assid);
}
numassoc++;
}
if (debug) {
fprintf(stderr, "\n%d associations total\n", numassoc);
}
sortassoc();
return 1;
}
/*
* printassoc - print the current list of associations
*/
static void
printassoc(
int showall,
FILE *fp
)
{
register char *bp;
u_int i;
u_char statval;
int event;
u_long event_count;
const char *conf;
const char *reach;
const char *auth;
const char *condition = "";
const char *last_event;
char buf[128];
if (numassoc == 0) {
(void) fprintf(fp, "No association ID's in list\n");
return;
}
/*
* Output a header
*/
(void) fprintf(fp,
"\nind assid status conf reach auth condition last_event cnt\n");
(void) fprintf(fp,
"===========================================================\n");
for (i = 0; i < numassoc; i++) {
statval = (u_char) CTL_PEER_STATVAL(assoc_cache[i].status);
if (!showall && !(statval & (CTL_PST_CONFIG|CTL_PST_REACH)))
continue;
event = CTL_PEER_EVENT(assoc_cache[i].status);
event_count = CTL_PEER_NEVNT(assoc_cache[i].status);
if (statval & CTL_PST_CONFIG)
conf = "yes";
else
conf = "no";
if (statval & CTL_PST_BCAST) {
reach = "none";
if (statval & CTL_PST_AUTHENABLE)
auth = "yes";
else
auth = "none";
} else {
if (statval & CTL_PST_REACH)
reach = "yes";
else
reach = "no";
if (statval & CTL_PST_AUTHENABLE) {
if (statval & CTL_PST_AUTHENTIC)
auth = "ok ";
else
auth = "bad";
} else {
auth = "none";
}
}
if (pktversion > NTP_OLDVERSION) {
switch (statval & 0x7) {
case CTL_PST_SEL_REJECT:
condition = "reject";
break;
case CTL_PST_SEL_SANE:
condition = "falsetick";
break;
case CTL_PST_SEL_CORRECT:
condition = "excess";
break;
case CTL_PST_SEL_SELCAND:
condition = "outlyer";
break;
case CTL_PST_SEL_SYNCCAND:
condition = "candidate";
break;
case CTL_PST_SEL_EXCESS:
condition = "backup";
break;
case CTL_PST_SEL_SYSPEER:
condition = "sys.peer";
break;
case CTL_PST_SEL_PPS:
condition = "pps.peer";
break;
}
} else {
switch (statval & 0x3) {
case OLD_CTL_PST_SEL_REJECT:
if (!(statval & OLD_CTL_PST_SANE))
condition = "insane";
else if (!(statval & OLD_CTL_PST_DISP))
condition = "hi_disp";
else
condition = "";
break;
case OLD_CTL_PST_SEL_SELCAND:
condition = "sel_cand";
break;
case OLD_CTL_PST_SEL_SYNCCAND:
condition = "sync_cand";
break;
case OLD_CTL_PST_SEL_SYSPEER:
condition = "sys_peer";
break;
}
}
switch (PEER_EVENT|event) {
case PEVNT_MOBIL:
last_event = "mobilize";
break;
case PEVNT_DEMOBIL:
last_event = "demobilize";
break;
case PEVNT_REACH:
last_event = "reachable";
break;
case PEVNT_UNREACH:
last_event = "unreachable";
break;
case PEVNT_RESTART:
last_event = "restart";
break;
case PEVNT_REPLY:
last_event = "no_reply";
break;
case PEVNT_RATE:
last_event = "rate_exceeded";
break;
case PEVNT_DENY:
last_event = "access_denied";
break;
case PEVNT_ARMED:
last_event = "leap_armed";
break;
case PEVNT_NEWPEER:
last_event = "sys_peer";
break;
case PEVNT_CLOCK:
last_event = "clock_alarm";
break;
default:
last_event = "";
break;
}
snprintf(buf, sizeof(buf),
"%3d %5u %04x %3.3s %4s %4.4s %9.9s %11s %2lu",
i + 1, assoc_cache[i].assid,
assoc_cache[i].status, conf, reach, auth,
condition, last_event, event_count);
bp = buf + strlen(buf);
while (bp > buf && ' ' == bp[-1])
--bp;
bp[0] = '\0';
fprintf(fp, "%s\n", buf);
}
}
/*
* associations - get, record and print a list of associations
*/
/*ARGSUSED*/
static void
associations(
struct parse *pcmd,
FILE *fp
)
{
if (dogetassoc(fp))
printassoc(0, fp);
}
/*
* lassociations - get, record and print a long list of associations
*/
/*ARGSUSED*/
static void
lassociations(
struct parse *pcmd,
FILE *fp
)
{
if (dogetassoc(fp))
printassoc(1, fp);
}
/*
* passociations - print the association list
*/
/*ARGSUSED*/
static void
passociations(
struct parse *pcmd,
FILE *fp
)
{
printassoc(0, fp);
}
/*
* lpassociations - print the long association list
*/
/*ARGSUSED*/
static void
lpassociations(
struct parse *pcmd,
FILE *fp
)
{
printassoc(1, fp);
}
/*
* saveconfig - dump ntp server configuration to server file
*/
static void
saveconfig(
struct parse *pcmd,
FILE *fp
)
{
const char *datap;
int res;
int dsize;
u_short rstatus;
if (0 == pcmd->nargs)
return;
res = doquery(CTL_OP_SAVECONFIG, 0, 1,
strlen(pcmd->argval[0].string),
pcmd->argval[0].string, &rstatus, &dsize,
&datap);
if (res != 0)
return;
if (0 == dsize)
fprintf(fp, "(no response message, curiously)");
else
fprintf(fp, "%.*s", dsize, datap);
}
#ifdef UNUSED
/*
* radiostatus - print the radio status returned by the server
*/
/*ARGSUSED*/
static void
radiostatus(
struct parse *pcmd,
FILE *fp
)
{
char *datap;
int res;
int dsize;
u_short rstatus;
res = doquery(CTL_OP_READCLOCK, 0, 0, 0, (char *)0, &rstatus,
&dsize, &datap);
if (res != 0)
return;
if (numhosts > 1)
(void) fprintf(fp, "server=%s ", currenthost);
if (dsize == 0) {
(void) fprintf(fp, "No radio status string returned\n");
return;
}
asciize(dsize, datap, fp);
}
#endif /* UNUSED */
/*
* when - print how long its been since his last packet arrived
*/
static long
when(
l_fp *ts,
l_fp *rec,
l_fp *reftime
)
{
l_fp *lasttime;
if (rec->l_ui != 0)
lasttime = rec;
else if (reftime->l_ui != 0)
lasttime = reftime;
else
return 0;
return (ts->l_ui - lasttime->l_ui);
}
/*
* Pretty-print an interval into the given buffer, in a human-friendly format.
*/
static char *
prettyinterval(
char *buf,
size_t cb,
long diff
)
{
if (diff <= 0) {
buf[0] = '-';
buf[1] = 0;
return buf;
}
if (diff <= 2048) {
snprintf(buf, cb, "%ld", diff);
return buf;
}
diff = (diff + 29) / 60;
if (diff <= 300) {
snprintf(buf, cb, "%ldm", diff);
return buf;
}
diff = (diff + 29) / 60;
if (diff <= 96) {
snprintf(buf, cb, "%ldh", diff);
return buf;
}
diff = (diff + 11) / 24;
snprintf(buf, cb, "%ldd", diff);
return buf;
}
static char
decodeaddrtype(
sockaddr_u *sock
)
{
char ch = '-';
u_int32 dummy;
switch(AF(sock)) {
case AF_INET:
dummy = SRCADR(sock);
ch = (char)(((dummy&0xf0000000)==0xe0000000) ? 'm' :
((dummy&0x000000ff)==0x000000ff) ? 'b' :
((dummy&0xffffffff)==0x7f000001) ? 'l' :
((dummy&0xffffffe0)==0x00000000) ? '-' :
'u');
break;
case AF_INET6:
if (IN6_IS_ADDR_MULTICAST(PSOCK_ADDR6(sock)))
ch = 'm';
else
ch = 'u';
break;
default:
ch = '-';
break;
}
return ch;
}
/*
* A list of variables required by the peers command
*/
struct varlist opeervarlist[] = {
{ "srcadr", 0 }, /* 0 */
{ "dstadr", 0 }, /* 1 */
{ "stratum", 0 }, /* 2 */
{ "hpoll", 0 }, /* 3 */
{ "ppoll", 0 }, /* 4 */
{ "reach", 0 }, /* 5 */
{ "delay", 0 }, /* 6 */
{ "offset", 0 }, /* 7 */
{ "jitter", 0 }, /* 8 */
{ "dispersion", 0 }, /* 9 */
{ "rec", 0 }, /* 10 */
{ "reftime", 0 }, /* 11 */
{ "srcport", 0 }, /* 12 */
{ "hmode", 0 }, /* 13 */
{ 0, 0 }
};
struct varlist peervarlist[] = {
{ "srcadr", 0 }, /* 0 */
{ "refid", 0 }, /* 1 */
{ "stratum", 0 }, /* 2 */
{ "hpoll", 0 }, /* 3 */
{ "ppoll", 0 }, /* 4 */
{ "reach", 0 }, /* 5 */
{ "delay", 0 }, /* 6 */
{ "offset", 0 }, /* 7 */
{ "jitter", 0 }, /* 8 */
{ "dispersion", 0 }, /* 9 */
{ "rec", 0 }, /* 10 */
{ "reftime", 0 }, /* 11 */
{ "srcport", 0 }, /* 12 */
{ "hmode", 0 }, /* 13 */
{ "srchost", 0 }, /* 14 */
{ 0, 0 }
};
struct varlist apeervarlist[] = {
{ "srcadr", 0 }, /* 0 */
{ "refid", 0 }, /* 1 */
{ "assid", 0 }, /* 2 */
{ "stratum", 0 }, /* 3 */
{ "hpoll", 0 }, /* 4 */
{ "ppoll", 0 }, /* 5 */
{ "reach", 0 }, /* 6 */
{ "delay", 0 }, /* 7 */
{ "offset", 0 }, /* 8 */
{ "jitter", 0 }, /* 9 */
{ "dispersion", 0 }, /* 10 */
{ "rec", 0 }, /* 11 */
{ "reftime", 0 }, /* 12 */
{ "srcport", 0 }, /* 13 */
{ "hmode", 0 }, /* 14 */
{ "srchost", 0 }, /* 15 */
{ 0, 0 }
};
/*
* Decode an incoming data buffer and print a line in the peer list
*/
static int
doprintpeers(
struct varlist *pvl,
int associd,
int rstatus,
int datalen,
const char *data,
FILE *fp,
int af
)
{
char *name;
char *value = NULL;
int c;
int len;
int have_srchost;
int have_dstadr;
int have_da_rid;
int have_jitter;
sockaddr_u srcadr;
sockaddr_u dstadr;
sockaddr_u dum_store;
sockaddr_u refidadr;
long hmode = 0;
u_long srcport = 0;
u_int32 u32;
const char *dstadr_refid = "0.0.0.0";
const char *serverlocal;
size_t drlen;
u_long stratum = 0;
long ppoll = 0;
long hpoll = 0;
u_long reach = 0;
l_fp estoffset;
l_fp estdelay;
l_fp estjitter;
l_fp estdisp;
l_fp reftime;
l_fp rec;
l_fp ts;
u_long poll_sec;
char type = '?';
char whenbuf[8], pollbuf[8];
char clock_name[LENHOSTNAME];
get_systime(&ts);
have_srchost = FALSE;
have_dstadr = FALSE;
have_da_rid = FALSE;
have_jitter = FALSE;
ZERO_SOCK(&srcadr);
ZERO_SOCK(&dstadr);
clock_name[0] = '\0';
ZERO(estoffset);
ZERO(estdelay);
ZERO(estjitter);
ZERO(estdisp);
while (nextvar(&datalen, &data, &name, &value)) {
if (!strcmp("srcadr", name) ||
!strcmp("peeradr", name)) {
if (!decodenetnum(value, &srcadr))
fprintf(stderr, "malformed %s=%s\n",
name, value);
} else if (!strcmp("srchost", name)) {
if (pvl == peervarlist || pvl == apeervarlist) {
len = strlen(value);
if (2 < len &&
(size_t)len < sizeof(clock_name)) {
/* strip quotes */
value++;
len -= 2;
memcpy(clock_name, value, len);
clock_name[len] = '\0';
have_srchost = TRUE;
}
}
} else if (!strcmp("dstadr", name)) {
if (decodenetnum(value, &dum_store)) {
type = decodeaddrtype(&dum_store);
have_dstadr = TRUE;
dstadr = dum_store;
if (pvl == opeervarlist) {
have_da_rid = TRUE;
dstadr_refid = trunc_left(stoa(&dstadr), 15);
}
}
} else if (!strcmp("hmode", name)) {
decodeint(value, &hmode);
} else if (!strcmp("refid", name)) {
if (pvl == peervarlist) {
have_da_rid = TRUE;
drlen = strlen(value);
if (0 == drlen) {
dstadr_refid = "";
} else if (drlen <= 4) {
ZERO(u32);
memcpy(&u32, value, drlen);
dstadr_refid = refid_str(u32, 1);
} else if (decodenetnum(value, &refidadr)) {
if (SOCK_UNSPEC(&refidadr))
dstadr_refid = "0.0.0.0";
else if (ISREFCLOCKADR(&refidadr))
dstadr_refid =
refnumtoa(&refidadr);
else
dstadr_refid =
stoa(&refidadr);
} else {
have_da_rid = FALSE;
}
} else if (pvl == apeervarlist) {
have_da_rid = TRUE;
drlen = strlen(value);
if (0 == drlen) {
dstadr_refid = "";
} else if (drlen <= 4) {
ZERO(u32);
memcpy(&u32, value, drlen);
dstadr_refid = refid_str(u32, 1);
//fprintf(stderr, "apeervarlist S1 refid: value=<%s>\n", value);
} else if (decodenetnum(value, &refidadr)) {
if (SOCK_UNSPEC(&refidadr))
dstadr_refid = "0.0.0.0";
else if (ISREFCLOCKADR(&refidadr))
dstadr_refid =
refnumtoa(&refidadr);
else {
char *buf = emalloc(10);
int i = ntohl(refidadr.sa4.sin_addr.s_addr);
snprintf(buf, 10,
"%0x", i);
dstadr_refid = buf;
//fprintf(stderr, "apeervarlist refid: value=<%x>\n", i);
}
//fprintf(stderr, "apeervarlist refid: value=<%s>\n", value);
} else {
have_da_rid = FALSE;
}
}
} else if (!strcmp("stratum", name)) {
decodeuint(value, &stratum);
} else if (!strcmp("hpoll", name)) {
if (decodeint(value, &hpoll) && hpoll < 0)
hpoll = NTP_MINPOLL;
} else if (!strcmp("ppoll", name)) {
if (decodeint(value, &ppoll) && ppoll < 0)
ppoll = NTP_MINPOLL;
} else if (!strcmp("reach", name)) {
decodeuint(value, &reach);
} else if (!strcmp("delay", name)) {
decodetime(value, &estdelay);
} else if (!strcmp("offset", name)) {
decodetime(value, &estoffset);
} else if (!strcmp("jitter", name)) {
if ((pvl == peervarlist || pvl == apeervarlist)
&& decodetime(value, &estjitter))
have_jitter = 1;
} else if (!strcmp("rootdisp", name) ||
!strcmp("dispersion", name)) {
decodetime(value, &estdisp);
} else if (!strcmp("rec", name)) {
decodets(value, &rec);
} else if (!strcmp("srcport", name) ||
!strcmp("peerport", name)) {
decodeuint(value, &srcport);
} else if (!strcmp("reftime", name)) {
if (!decodets(value, &reftime))
L_CLR(&reftime);
} else {
// fprintf(stderr, "UNRECOGNIZED name=%s ", name);
}
}
/*
* hmode gives the best guidance for the t column. If the response
* did not include hmode we'll use the old decodeaddrtype() result.
*/
switch (hmode) {
case MODE_BCLIENT:
/* broadcastclient or multicastclient */
type = 'b';
break;
case MODE_BROADCAST:
/* broadcast or multicast server */
if (IS_MCAST(&srcadr))
type = 'M';
else
type = 'B';
break;
case MODE_CLIENT:
if (ISREFCLOCKADR(&srcadr))
type = 'l'; /* local refclock*/
else if (SOCK_UNSPEC(&srcadr))
type = 'p'; /* pool */
else if (IS_MCAST(&srcadr))
type = 'a'; /* manycastclient */
else
type = 'u'; /* unicast */
break;
case MODE_ACTIVE:
type = 's'; /* symmetric active */
break; /* configured */
case MODE_PASSIVE:
type = 'S'; /* symmetric passive */
break; /* ephemeral */
}
/*
* Got everything, format the line
*/
poll_sec = 1 << min(ppoll, hpoll);
if (pktversion > NTP_OLDVERSION)
c = flash3[CTL_PEER_STATVAL(rstatus) & 0x7];
else
c = flash2[CTL_PEER_STATVAL(rstatus) & 0x3];
if (numhosts > 1) {
if ((pvl == peervarlist || pvl == apeervarlist)
&& have_dstadr) {
serverlocal = nntohost_col(&dstadr,
(size_t)min(LIB_BUFLENGTH - 1, maxhostlen),
TRUE);
} else {
if (currenthostisnum)
serverlocal = trunc_left(currenthost,
maxhostlen);
else
serverlocal = currenthost;
}
fprintf(fp, "%-*s ", (int)maxhostlen, serverlocal);
}
if (AF_UNSPEC == af || AF(&srcadr) == af) {
if (!have_srchost)
strlcpy(clock_name, nntohost(&srcadr),
sizeof(clock_name));
if (wideremote && 15 < strlen(clock_name))
fprintf(fp, "%c%s\n ", c, clock_name);
else
fprintf(fp, "%c%-15.15s ", c, clock_name);
if (!have_da_rid) {
drlen = 0;
} else {
drlen = strlen(dstadr_refid);
makeascii(drlen, dstadr_refid, fp);
}
if (pvl == apeervarlist) {
while (drlen++ < 9)
fputc(' ', fp);
fprintf(fp, "%-6d", associd);
} else {
while (drlen++ < 15)
fputc(' ', fp);
}
fprintf(fp,
" %2ld %c %4.4s %4.4s %3lo %7.7s %8.7s %7.7s\n",
stratum, type,
prettyinterval(whenbuf, sizeof(whenbuf),
when(&ts, &rec, &reftime)),
prettyinterval(pollbuf, sizeof(pollbuf),
(int)poll_sec),
reach, lfptoms(&estdelay, 3),
lfptoms(&estoffset, 3),
(have_jitter)
? lfptoms(&estjitter, 3)
: lfptoms(&estdisp, 3));
return (1);
}
else
return(1);
}
/*
* dogetpeers - given an association ID, read and print the spreadsheet
* peer variables.
*/
static int
dogetpeers(
struct varlist *pvl,
associd_t associd,
FILE *fp,
int af
)
{
const char *datap;
int res;
int dsize;
u_short rstatus;
#ifdef notdef
res = doquerylist(pvl, CTL_OP_READVAR, associd, 0, &rstatus,
&dsize, &datap);
#else
/*
* Damn fuzzballs
*/
res = doquery(CTL_OP_READVAR, associd, 0, 0, NULL, &rstatus,
&dsize, &datap);
#endif
if (res != 0)
return 0;
if (dsize == 0) {
if (numhosts > 1)
fprintf(stderr, "server=%s ", currenthost);
fprintf(stderr,
"***No information returned for association %u\n",
associd);
return 0;
}
return doprintpeers(pvl, associd, (int)rstatus, dsize, datap,
fp, af);
}
/*
* peers - print a peer spreadsheet
*/
static void
dopeers(
int showall,
FILE *fp,
int af
)
{
u_int u;
char fullname[LENHOSTNAME];
sockaddr_u netnum;
const char * name_or_num;
size_t sl;
if (!dogetassoc(fp))
return;
for (u = 0; u < numhosts; u++) {
if (getnetnum(chosts[u].name, &netnum, fullname, af)) {
name_or_num = nntohost(&netnum);
sl = strlen(name_or_num);
maxhostlen = max(maxhostlen, sl);
}
}
if (numhosts > 1)
fprintf(fp, "%-*.*s ", (int)maxhostlen, (int)maxhostlen,
"server (local)");
fprintf(fp,
" remote refid st t when poll reach delay offset jitter\n");
if (numhosts > 1)
for (u = 0; u <= maxhostlen; u++)
fprintf(fp, "=");
fprintf(fp,
"==============================================================================\n");
for (u = 0; u < numassoc; u++) {
if (!showall &&
!(CTL_PEER_STATVAL(assoc_cache[u].status)
& (CTL_PST_CONFIG|CTL_PST_REACH))) {
if (debug)
fprintf(stderr, "eliding [%d]\n",
(int)assoc_cache[u].assid);
continue;
}
if (!dogetpeers(peervarlist, (int)assoc_cache[u].assid,
fp, af))
return;
}
return;
}
/*
* doapeers - print a peer spreadsheet with assocIDs
*/
static void
doapeers(
int showall,
FILE *fp,
int af
)
{
u_int u;
char fullname[LENHOSTNAME];
sockaddr_u netnum;
const char * name_or_num;
size_t sl;
if (!dogetassoc(fp))
return;
for (u = 0; u < numhosts; u++) {
if (getnetnum(chosts[u].name, &netnum, fullname, af)) {
name_or_num = nntohost(&netnum);
sl = strlen(name_or_num);
maxhostlen = max(maxhostlen, sl);
}
}
if (numhosts > 1)
fprintf(fp, "%-*.*s ", (int)maxhostlen, (int)maxhostlen,
"server (local)");
fprintf(fp,
" remote refid assid st t when poll reach delay offset jitter\n");
if (numhosts > 1)
for (u = 0; u <= maxhostlen; u++)
fprintf(fp, "=");
fprintf(fp,
"==============================================================================\n");
for (u = 0; u < numassoc; u++) {
if (!showall &&
!(CTL_PEER_STATVAL(assoc_cache[u].status)
& (CTL_PST_CONFIG|CTL_PST_REACH))) {
if (debug)
fprintf(stderr, "eliding [%d]\n",
(int)assoc_cache[u].assid);
continue;
}
if (!dogetpeers(apeervarlist, (int)assoc_cache[u].assid,
fp, af))
return;
}
return;
}
/*
* peers - print a peer spreadsheet
*/
/*ARGSUSED*/
static void
peers(
struct parse *pcmd,
FILE *fp
)
{
int af = 0;
if (pcmd->nargs == 1) {
if (pcmd->argval->ival == 6)
af = AF_INET6;
else
af = AF_INET;
}
dopeers(0, fp, af);
}
/*
* apeers - print a peer spreadsheet, with assocIDs
*/
/*ARGSUSED*/
static void
apeers(
struct parse *pcmd,
FILE *fp
)
{
int af = 0;
if (pcmd->nargs == 1) {
if (pcmd->argval->ival == 6)
af = AF_INET6;
else
af = AF_INET;
}
doapeers(0, fp, af);
}
/*
* lpeers - print a peer spreadsheet including all fuzzball peers
*/
/*ARGSUSED*/
static void
lpeers(
struct parse *pcmd,
FILE *fp
)
{
int af = 0;
if (pcmd->nargs == 1) {
if (pcmd->argval->ival == 6)
af = AF_INET6;
else
af = AF_INET;
}
dopeers(1, fp, af);
}
/*
* opeers - print a peer spreadsheet
*/
static void
doopeers(
int showall,
FILE *fp,
int af
)
{
u_int i;
char fullname[LENHOSTNAME];
sockaddr_u netnum;
if (!dogetassoc(fp))
return;
for (i = 0; i < numhosts; ++i) {
if (getnetnum(chosts[i].name, &netnum, fullname, af))
if (strlen(fullname) > maxhostlen)
maxhostlen = strlen(fullname);
}
if (numhosts > 1)
fprintf(fp, "%-*.*s ", (int)maxhostlen, (int)maxhostlen,
"server");
fprintf(fp,
" remote local st t when poll reach delay offset disp\n");
if (numhosts > 1)
for (i = 0; i <= maxhostlen; ++i)
fprintf(fp, "=");
fprintf(fp,
"==============================================================================\n");
for (i = 0; i < numassoc; i++) {
if (!showall &&
!(CTL_PEER_STATVAL(assoc_cache[i].status) &
(CTL_PST_CONFIG | CTL_PST_REACH)))
continue;
if (!dogetpeers(opeervarlist, assoc_cache[i].assid, fp, af))
return;
}
return;
}
/*
* opeers - print a peer spreadsheet the old way
*/
/*ARGSUSED*/
static void
opeers(
struct parse *pcmd,
FILE *fp
)
{
int af = 0;
if (pcmd->nargs == 1) {
if (pcmd->argval->ival == 6)
af = AF_INET6;
else
af = AF_INET;
}
doopeers(0, fp, af);
}
/*
* lopeers - print a peer spreadsheet including all fuzzball peers
*/
/*ARGSUSED*/
static void
lopeers(
struct parse *pcmd,
FILE *fp
)
{
int af = 0;
if (pcmd->nargs == 1) {
if (pcmd->argval->ival == 6)
af = AF_INET6;
else
af = AF_INET;
}
doopeers(1, fp, af);
}
/*
* config - send a configuration command to a remote host
*/
static void
config (
struct parse *pcmd,
FILE *fp
)
{
const char *cfgcmd;
u_short rstatus;
int rsize;
const char *rdata;
char *resp;
int res;
int col;
int i;
cfgcmd = pcmd->argval[0].string;
if (debug > 2)
fprintf(stderr,
"In Config\n"
"Keyword = %s\n"
"Command = %s\n", pcmd->keyword, cfgcmd);
res = doquery(CTL_OP_CONFIGURE, 0, 1, strlen(cfgcmd), cfgcmd,
&rstatus, &rsize, &rdata);
if (res != 0)
return;
if (rsize > 0 && '\n' == rdata[rsize - 1])
rsize--;
resp = emalloc(rsize + 1);
memcpy(resp, rdata, rsize);
resp[rsize] = '\0';
col = -1;
if (1 == sscanf(resp, "column %d syntax error", &col)
&& col >= 0 && (size_t)col <= strlen(cfgcmd) + 1) {
if (interactive) {
printf("______"); /* "ntpq> " */
printf("________"); /* ":config " */
} else
printf("%s\n", cfgcmd);
for (i = 1; i < col; i++)
putchar('_');
printf("^\n");
}
printf("%s\n", resp);
free(resp);
}
/*
* config_from_file - remotely configure an ntpd daemon using the
* specified configuration file
* SK: This function is a kludge at best and is full of bad design
* bugs:
* 1. ntpq uses UDP, which means that there is no guarantee of in-order,
* error-free delivery.
* 2. The maximum length of a packet is constrained, and as a result, the
* maximum length of a line in a configuration file is constrained.
* Longer lines will lead to unpredictable results.
* 3. Since this function is sending a line at a time, we can't update
* the control key through the configuration file (YUCK!!)
*/
static void
config_from_file (
struct parse *pcmd,
FILE *fp
)
{
u_short rstatus;
int rsize;
const char *rdata;
int res;
FILE *config_fd;
char config_cmd[MAXLINE];
size_t config_len;
int i;
int retry_limit;
if (debug > 2)
fprintf(stderr,
"In Config\n"
"Keyword = %s\n"
"Filename = %s\n", pcmd->keyword,
pcmd->argval[0].string);
config_fd = fopen(pcmd->argval[0].string, "r");
if (NULL == config_fd) {
printf("ERROR!! Couldn't open file: %s\n",
pcmd->argval[0].string);
return;
}
printf("Sending configuration file, one line at a time.\n");
i = 0;
while (fgets(config_cmd, MAXLINE, config_fd) != NULL) {
config_len = strlen(config_cmd);
/* ensure even the last line has newline, if possible */
if (config_len > 0 &&
config_len + 2 < sizeof(config_cmd) &&
'\n' != config_cmd[config_len - 1])
config_cmd[config_len++] = '\n';
++i;
retry_limit = 2;
do
res = doquery(CTL_OP_CONFIGURE, 0, 1,
strlen(config_cmd), config_cmd,
&rstatus, &rsize, &rdata);
while (res != 0 && retry_limit--);
if (res != 0) {
printf("Line No: %d query failed: %s", i,
config_cmd);
printf("Subsequent lines not sent.\n");
fclose(config_fd);
return;
}
if (rsize > 0 && '\n' == rdata[rsize - 1])
rsize--;
if (rsize > 0 && '\r' == rdata[rsize - 1])
rsize--;
printf("Line No: %d %.*s: %s", i, rsize, rdata,
config_cmd);
}
printf("Done sending file\n");
fclose(config_fd);
}
static int
fetch_nonce(
char * nonce,
size_t cb_nonce
)
{
const char nonce_eq[] = "nonce=";
int qres;
u_short rstatus;
int rsize;
const char * rdata;
int chars;
/*
* Retrieve a nonce specific to this client to demonstrate to
* ntpd that we're capable of receiving responses to our source
* IP address, and thereby unlikely to be forging the source.
*/
qres = doquery(CTL_OP_REQ_NONCE, 0, 0, 0, NULL, &rstatus,
&rsize, &rdata);
if (qres) {
fprintf(stderr, "nonce request failed\n");
return FALSE;
}
if ((size_t)rsize <= sizeof(nonce_eq) - 1 ||
strncmp(rdata, nonce_eq, sizeof(nonce_eq) - 1)) {
fprintf(stderr, "unexpected nonce response format: %.*s\n",
rsize, rdata);
return FALSE;
}
chars = rsize - (sizeof(nonce_eq) - 1);
if (chars >= (int)cb_nonce)
return FALSE;
memcpy(nonce, rdata + sizeof(nonce_eq) - 1, chars);
nonce[chars] = '\0';
while (chars > 0 &&
('\r' == nonce[chars - 1] || '\n' == nonce[chars - 1])) {
chars--;
nonce[chars] = '\0';
}
return TRUE;
}
/*
* add_mru Add and entry to mru list, hash table, and allocate
* and return a replacement.
* This is a helper for collect_mru_list().
*/
static mru *
add_mru(
mru *add
)
{
u_short hash;
mru *mon;
mru *unlinked;
hash = NTP_HASH_ADDR(&add->addr);
/* see if we have it among previously received entries */
for (mon = hash_table[hash]; mon != NULL; mon = mon->hlink)
if (SOCK_EQ(&mon->addr, &add->addr))
break;
if (mon != NULL) {
if (!L_ISGEQ(&add->first, &mon->first)) {
fprintf(stderr,
"add_mru duplicate %s new first ts %08x.%08x precedes prior %08x.%08x\n",
sptoa(&add->addr), add->last.l_ui,
add->last.l_uf, mon->last.l_ui,
mon->last.l_uf);
exit(1);
}
UNLINK_DLIST(mon, mlink);
UNLINK_SLIST(unlinked, hash_table[hash], mon, hlink, mru);
NTP_INSIST(unlinked == mon);
mru_dupes++;
TRACE(2, ("(updated from %08x.%08x) ", mon->last.l_ui,
mon->last.l_uf));
}
LINK_DLIST(mru_list, add, mlink);
LINK_SLIST(hash_table[hash], add, hlink);
TRACE(2, ("add_mru %08x.%08x c %d m %d v %d rest %x first %08x.%08x %s\n",
add->last.l_ui, add->last.l_uf, add->count,
(int)add->mode, (int)add->ver, (u_int)add->rs,
add->first.l_ui, add->first.l_uf, sptoa(&add->addr)));
/* if we didn't update an existing entry, alloc replacement */
if (NULL == mon) {
mon = emalloc(sizeof(*mon));
mru_count++;
}
ZERO(*mon);
return mon;
}
/* MGOT macro is specific to collect_mru_list() */
#define MGOT(bit) \
do { \
got |= (bit); \
if (MRU_GOT_ALL == got) { \
got = 0; \
mon = add_mru(mon); \
ci++; \
} \
} while (0)
void
mrulist_ctrl_c_hook(void)
{
mrulist_interrupted = TRUE;
}
static int
collect_mru_list(
const char * parms,
l_fp * pnow
)
{
const u_int sleep_msecs = 5;
static int ntpd_row_limit = MRU_ROW_LIMIT;
int c_mru_l_rc; /* this function's return code */
u_char got; /* MRU_GOT_* bits */
time_t next_report;
size_t cb;
mru *mon;
mru *head;
mru *recent;
int list_complete;
char nonce[128];
char buf[128];
char req_buf[CTL_MAX_DATA_LEN];
char *req;
char *req_end;
int chars;
int qres;
u_short rstatus;
int rsize;
const char *rdata;
int limit;
int frags;
int cap_frags;
char *tag;
char *val;
int si; /* server index in response */
int ci; /* client (our) index for validation */
int ri; /* request index (.# suffix) */
int mv;
l_fp newest;
l_fp last_older;
sockaddr_u addr_older;
int have_now;
int have_addr_older;
int have_last_older;
u_int restarted_count;
u_int nonce_uses;
u_short hash;
mru *unlinked;
if (!fetch_nonce(nonce, sizeof(nonce)))
return FALSE;
nonce_uses = 0;
restarted_count = 0;
mru_count = 0;
INIT_DLIST(mru_list, mlink);
cb = NTP_HASH_SIZE * sizeof(*hash_table);
NTP_INSIST(NULL == hash_table);
hash_table = emalloc_zero(cb);
c_mru_l_rc = FALSE;
list_complete = FALSE;
have_now = FALSE;
cap_frags = TRUE;
got = 0;
ri = 0;
cb = sizeof(*mon);
mon = emalloc_zero(cb);
ZERO(*pnow);
ZERO(last_older);
mrulist_interrupted = FALSE;
set_ctrl_c_hook(&mrulist_ctrl_c_hook);
fprintf(stderr,
"Ctrl-C will stop MRU retrieval and display partial results.\n");
fflush(stderr);
next_report = time(NULL) + MRU_REPORT_SECS;
limit = min(3 * MAXFRAGS, ntpd_row_limit);
frags = MAXFRAGS;
snprintf(req_buf, sizeof(req_buf), "nonce=%s, frags=%d%s",
nonce, frags, parms);
nonce_uses++;
while (TRUE) {
if (debug)
fprintf(stderr, "READ_MRU parms: %s\n", req_buf);
qres = doqueryex(CTL_OP_READ_MRU, 0, 0, strlen(req_buf),
req_buf, &rstatus, &rsize, &rdata, TRUE);
if (CERR_UNKNOWNVAR == qres && ri > 0) {
/*
* None of the supplied prior entries match, so
* toss them from our list and try again.
*/
if (debug)
fprintf(stderr,
"no overlap between %d prior entries and server MRU list\n",
ri);
while (ri--) {
recent = HEAD_DLIST(mru_list, mlink);
NTP_INSIST(recent != NULL);
if (debug)
fprintf(stderr,
"tossing prior entry %s to resync\n",
sptoa(&recent->addr));
UNLINK_DLIST(recent, mlink);
hash = NTP_HASH_ADDR(&recent->addr);
UNLINK_SLIST(unlinked, hash_table[hash],
recent, hlink, mru);
NTP_INSIST(unlinked == recent);
free(recent);
mru_count--;
}
if (NULL == HEAD_DLIST(mru_list, mlink)) {
restarted_count++;
if (restarted_count > 8) {
fprintf(stderr,
"Giving up after 8 restarts from the beginning.\n"
"With high-traffic NTP servers, this can occur if the\n"
"MRU list is limited to less than about 16 seconds' of\n"
"entries. See the 'mru' ntp.conf directive to adjust.\n");
goto cleanup_return;
}
if (debug)
fprintf(stderr,
"---> Restarting from the beginning, retry #%u\n",
restarted_count);
}
} else if (CERR_UNKNOWNVAR == qres) {
fprintf(stderr,
"CERR_UNKNOWNVAR from ntpd but no priors given.\n");
goto cleanup_return;
} else if (CERR_BADVALUE == qres) {
if (cap_frags) {
cap_frags = FALSE;
if (debug)
fprintf(stderr,
"Reverted to row limit from fragments limit.\n");
} else {
/* ntpd has lower cap on row limit */
ntpd_row_limit--;
limit = min(limit, ntpd_row_limit);
if (debug)
fprintf(stderr,
"Row limit reduced to %d following CERR_BADVALUE.\n",
limit);
}
} else if (ERR_INCOMPLETE == qres ||
ERR_TIMEOUT == qres) {
/*
* Reduce the number of rows/frags requested by
* half to recover from lost response fragments.
*/
if (cap_frags) {
frags = max(2, frags / 2);
if (debug)
fprintf(stderr,
"Frag limit reduced to %d following incomplete response.\n",
frags);
} else {
limit = max(2, limit / 2);
if (debug)
fprintf(stderr,
"Row limit reduced to %d following incomplete response.\n",
limit);
}
} else if (qres) {
show_error_msg(qres, 0);
goto cleanup_return;
}
/*
* This is a cheap cop-out implementation of rawmode
* output for mrulist. A better approach would be to
* dump similar output after the list is collected by
* ntpq with a continuous sequence of indexes. This
* cheap approach has indexes resetting to zero for
* each query/response, and duplicates are not
* coalesced.
*/
if (!qres && rawmode)
printvars(rsize, rdata, rstatus, TYPE_SYS, 1, stdout);
ci = 0;
have_addr_older = FALSE;
have_last_older = FALSE;
while (!qres && nextvar(&rsize, &rdata, &tag, &val)) {
if (debug > 1)
fprintf(stderr, "nextvar gave: %s = %s\n",
tag, val);
switch(tag[0]) {
case 'a':
if (!strcmp(tag, "addr.older")) {
if (!have_last_older) {
fprintf(stderr,
"addr.older %s before last.older\n",
val);
goto cleanup_return;
}
if (!decodenetnum(val, &addr_older)) {
fprintf(stderr,
"addr.older %s garbled\n",
val);
goto cleanup_return;
}
hash = NTP_HASH_ADDR(&addr_older);
for (recent = hash_table[hash];
recent != NULL;
recent = recent->hlink)
if (ADDR_PORT_EQ(
&addr_older,
&recent->addr))
break;
if (NULL == recent) {
fprintf(stderr,
"addr.older %s not in hash table\n",
val);
goto cleanup_return;
}
if (!L_ISEQU(&last_older,
&recent->last)) {
fprintf(stderr,
"last.older %08x.%08x mismatches %08x.%08x expected.\n",
last_older.l_ui,
last_older.l_uf,
recent->last.l_ui,
recent->last.l_uf);
goto cleanup_return;
}
have_addr_older = TRUE;
} else if (1 != sscanf(tag, "addr.%d", &si)
|| si != ci)
goto nomatch;
else if (decodenetnum(val, &mon->addr))
MGOT(MRU_GOT_ADDR);
break;
case 'l':
if (!strcmp(tag, "last.older")) {
if ('0' != val[0] ||
'x' != val[1] ||
!hextolfp(val + 2, &last_older)) {
fprintf(stderr,
"last.older %s garbled\n",
val);
goto cleanup_return;
}
have_last_older = TRUE;
} else if (!strcmp(tag, "last.newest")) {
if (0 != got) {
fprintf(stderr,
"last.newest %s before complete row, got = 0x%x\n",
val, (u_int)got);
goto cleanup_return;
}
if (!have_now) {
fprintf(stderr,
"last.newest %s before now=\n",
val);
goto cleanup_return;
}
head = HEAD_DLIST(mru_list, mlink);
if (NULL != head) {
if ('0' != val[0] ||
'x' != val[1] ||
!hextolfp(val + 2, &newest) ||
!L_ISEQU(&newest,
&head->last)) {
fprintf(stderr,
"last.newest %s mismatches %08x.%08x",
val,
head->last.l_ui,
head->last.l_uf);
goto cleanup_return;
}
}
list_complete = TRUE;
} else if (1 != sscanf(tag, "last.%d", &si) ||
si != ci || '0' != val[0] ||
'x' != val[1] ||
!hextolfp(val + 2, &mon->last)) {
goto nomatch;
} else {
MGOT(MRU_GOT_LAST);
/*
* allow interrupted retrieval,
* using most recent retrieved
* entry's last seen timestamp
* as the end of operation.
*/
*pnow = mon->last;
}
break;
case 'f':
if (1 != sscanf(tag, "first.%d", &si) ||
si != ci || '0' != val[0] ||
'x' != val[1] ||
!hextolfp(val + 2, &mon->first))
goto nomatch;
MGOT(MRU_GOT_FIRST);
break;
case 'n':
if (!strcmp(tag, "nonce")) {
strlcpy(nonce, val, sizeof(nonce));
nonce_uses = 0;
break; /* case */
} else if (strcmp(tag, "now") ||
'0' != val[0] ||
'x' != val[1] ||
!hextolfp(val + 2, pnow))
goto nomatch;
have_now = TRUE;
break;
case 'c':
if (1 != sscanf(tag, "ct.%d", &si) ||
si != ci ||
1 != sscanf(val, "%d", &mon->count)
|| mon->count < 1)
goto nomatch;
MGOT(MRU_GOT_COUNT);
break;
case 'm':
if (1 != sscanf(tag, "mv.%d", &si) ||
si != ci ||
1 != sscanf(val, "%d", &mv))
goto nomatch;
mon->mode = PKT_MODE(mv);
mon->ver = PKT_VERSION(mv);
MGOT(MRU_GOT_MV);
break;
case 'r':
if (1 != sscanf(tag, "rs.%d", &si) ||
si != ci ||
1 != sscanf(val, "0x%hx", &mon->rs))
goto nomatch;
MGOT(MRU_GOT_RS);
break;
default:
nomatch:
/* empty stmt */ ;
/* ignore unknown tags */
}
}
if (have_now)
list_complete = TRUE;
if (list_complete) {
NTP_INSIST(0 == ri || have_addr_older);
}
if (mrulist_interrupted) {
printf("mrulist retrieval interrupted by operator.\n"
"Displaying partial client list.\n");
fflush(stdout);
}
if (list_complete || mrulist_interrupted) {
fprintf(stderr,
"\rRetrieved %u unique MRU entries and %u updates.\n",
mru_count, mru_dupes);
fflush(stderr);
break;
}
if (time(NULL) >= next_report) {
next_report += MRU_REPORT_SECS;
fprintf(stderr, "\r%u (%u updates) ", mru_count,
mru_dupes);
fflush(stderr);
}
/*
* Snooze for a bit between queries to let ntpd catch
* up with other duties.
*/
#ifdef SYS_WINNT
Sleep(sleep_msecs);
#elif !defined(HAVE_NANOSLEEP)
sleep((sleep_msecs / 1000) + 1);
#else
{
struct timespec interv = { 0,
1000 * sleep_msecs };
nanosleep(&interv, NULL);
}
#endif
/*
* If there were no errors, increase the number of rows
* to a maximum of 3 * MAXFRAGS (the most packets ntpq
* can handle in one response), on the assumption that
* no less than 3 rows fit in each packet, capped at
* our best guess at the server's row limit.
*/
if (!qres) {
if (cap_frags) {
frags = min(MAXFRAGS, frags + 1);
} else {
limit = min3(3 * MAXFRAGS,
ntpd_row_limit,
max(limit + 1,
limit * 33 / 32));
}
}
/*
* prepare next query with as many address and last-seen
* timestamps as will fit in a single packet.
*/
req = req_buf;
req_end = req_buf + sizeof(req_buf);
#define REQ_ROOM (req_end - req)
snprintf(req, REQ_ROOM, "nonce=%s, %s=%d%s", nonce,
(cap_frags)
? "frags"
: "limit",
(cap_frags)
? frags
: limit,
parms);
req += strlen(req);
nonce_uses++;
if (nonce_uses >= 4) {
if (!fetch_nonce(nonce, sizeof(nonce)))
goto cleanup_return;
nonce_uses = 0;
}
for (ri = 0, recent = HEAD_DLIST(mru_list, mlink);
recent != NULL;
ri++, recent = NEXT_DLIST(mru_list, recent, mlink)) {
snprintf(buf, sizeof(buf),
", addr.%d=%s, last.%d=0x%08x.%08x",
ri, sptoa(&recent->addr), ri,
recent->last.l_ui, recent->last.l_uf);
chars = strlen(buf);
if (REQ_ROOM - chars < 1)
break;
memcpy(req, buf, chars + 1);
req += chars;
}
}
set_ctrl_c_hook(NULL);
c_mru_l_rc = TRUE;
goto retain_hash_table;
cleanup_return:
free(hash_table);
hash_table = NULL;
retain_hash_table:
if (mon != NULL)
free(mon);
return c_mru_l_rc;
}
/*
* qcmp_mru_addr - sort MRU entries by remote address.
*
* All IPv4 addresses sort before any IPv6, addresses are sorted by
* value within address family.
*/
static int
qcmp_mru_addr(
const void *v1,
const void *v2
)
{
const mru * const * ppm1 = v1;
const mru * const * ppm2 = v2;
const mru * pm1;
const mru * pm2;
u_short af1;
u_short af2;
size_t cmplen;
size_t addr_off;
pm1 = *ppm1;
pm2 = *ppm2;
af1 = AF(&pm1->addr);
af2 = AF(&pm2->addr);
if (af1 != af2)
return (AF_INET == af1)
? -1
: 1;
cmplen = SIZEOF_INADDR(af1);
addr_off = (AF_INET == af1)
? offsetof(struct sockaddr_in, sin_addr)
: offsetof(struct sockaddr_in6, sin6_addr);
return memcmp((const char *)&pm1->addr + addr_off,
(const char *)&pm2->addr + addr_off,
cmplen);
}
static int
qcmp_mru_r_addr(
const void *v1,
const void *v2
)
{
return -qcmp_mru_addr(v1, v2);
}
/*
* qcmp_mru_count - sort MRU entries by times seen (hit count).
*/
static int
qcmp_mru_count(
const void *v1,
const void *v2
)
{
const mru * const * ppm1 = v1;
const mru * const * ppm2 = v2;
const mru * pm1;
const mru * pm2;
pm1 = *ppm1;
pm2 = *ppm2;
return (pm1->count < pm2->count)
? -1
: ((pm1->count == pm2->count)
? 0
: 1);
}
static int
qcmp_mru_r_count(
const void *v1,
const void *v2
)
{
return -qcmp_mru_count(v1, v2);
}
/*
* qcmp_mru_avgint - sort MRU entries by average interval.
*/
static int
qcmp_mru_avgint(
const void *v1,
const void *v2
)
{
const mru * const * ppm1 = v1;
const mru * const * ppm2 = v2;
const mru * pm1;
const mru * pm2;
l_fp interval;
double avg1;
double avg2;
pm1 = *ppm1;
pm2 = *ppm2;
interval = pm1->last;
L_SUB(&interval, &pm1->first);
LFPTOD(&interval, avg1);
avg1 /= pm1->count;
interval = pm2->last;
L_SUB(&interval, &pm2->first);
LFPTOD(&interval, avg2);
avg2 /= pm2->count;
if (avg1 < avg2)
return -1;
else if (avg1 > avg2)
return 1;
/* secondary sort on lstint - rarely tested */
if (L_ISEQU(&pm1->last, &pm2->last))
return 0;
else if (L_ISGEQ(&pm1->last, &pm2->last))
return -1;
else
return 1;
}
static int
qcmp_mru_r_avgint(
const void *v1,
const void *v2
)
{
return -qcmp_mru_avgint(v1, v2);
}
/*
* mrulist - ntpq's mrulist command to fetch an arbitrarily large Most
* Recently Used (seen) remote address list from ntpd.
*
* Similar to ntpdc's monlist command, but not limited to a single
* request/response, and thereby not limited to a few hundred remote
* addresses.
*
* See ntpd/ntp_control.c read_mru_list() for comments on the way
* CTL_OP_READ_MRU is designed to be used.
*
* mrulist intentionally differs from monlist in the way the avgint
* column is calculated. monlist includes the time after the last
* packet from the client until the monlist query time in the average,
* while mrulist excludes it. That is, monlist's average interval grows
* over time for remote addresses not heard from in some time, while it
* remains unchanged in mrulist. This also affects the avgint value for
* entries representing a single packet, with identical first and last
* timestamps. mrulist shows 0 avgint, monlist shows a value identical
* to lstint.
*/
static void
mrulist(
struct parse * pcmd,
FILE * fp
)
{
const char mincount_eq[] = "mincount=";
const char resall_eq[] = "resall=";
const char resany_eq[] = "resany=";
const char maxlstint_eq[] = "maxlstint=";
const char laddr_eq[] = "laddr=";
const char sort_eq[] = "sort=";
mru_sort_order order;
size_t n;
char parms_buf[128];
char buf[24];
char *parms;
const char *arg;
size_t cb;
mru **sorted;
mru **ppentry;
mru *recent;
l_fp now;
l_fp interval;
double favgint;
double flstint;
int avgint;
int lstint;
size_t i;
order = MRUSORT_DEF;
parms_buf[0] = '\0';
parms = parms_buf;
for (i = 0; i < pcmd->nargs; i++) {
arg = pcmd->argval[i].string;
if (arg != NULL) {
cb = strlen(arg) + 1;
if ((!strncmp(resall_eq, arg, sizeof(resall_eq)
- 1) || !strncmp(resany_eq, arg,
sizeof(resany_eq) - 1) || !strncmp(
mincount_eq, arg, sizeof(mincount_eq) - 1)
|| !strncmp(laddr_eq, arg, sizeof(laddr_eq)
- 1) || !strncmp(maxlstint_eq, arg,
sizeof(laddr_eq) - 1)) && parms + cb + 2 <=
parms_buf + sizeof(parms_buf)) {
/* these are passed intact to ntpd */
memcpy(parms, ", ", 2);
parms += 2;
memcpy(parms, arg, cb);
parms += cb - 1;
} else if (!strncmp(sort_eq, arg,
sizeof(sort_eq) - 1)) {
arg += sizeof(sort_eq) - 1;
for (n = 0;
n < COUNTOF(mru_sort_keywords);
n++)
if (!strcmp(mru_sort_keywords[n],
arg))
break;
if (n < COUNTOF(mru_sort_keywords))
order = n;
} else if (!strcmp("limited", arg) ||
!strcmp("kod", arg)) {
/* transform to resany=... */
snprintf(buf, sizeof(buf),
", resany=0x%x",
('k' == arg[0])
? RES_KOD
: RES_LIMITED);
cb = 1 + strlen(buf);
if (parms + cb <
parms_buf + sizeof(parms_buf)) {
memcpy(parms, buf, cb);
parms += cb - 1;
}
} else
fprintf(stderr,
"ignoring unrecognized mrulist parameter: %s\n",
arg);
}
}
parms = parms_buf;
if (!collect_mru_list(parms, &now))
return;
/* display the results */
if (rawmode)
goto cleanup_return;
/* construct an array of entry pointers in default order */
sorted = eallocarray(mru_count, sizeof(*sorted));
ppentry = sorted;
if (MRUSORT_R_DEF != order) {
ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
NTP_INSIST(ppentry < sorted + mru_count);
*ppentry = recent;
ppentry++;
ITER_DLIST_END()
} else {
REV_ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
NTP_INSIST(ppentry < sorted + mru_count);
*ppentry = recent;
ppentry++;
REV_ITER_DLIST_END()
}
if (ppentry - sorted != (int)mru_count) {
fprintf(stderr,
"mru_count %u should match MRU list depth %ld.\n",
mru_count, (long)(ppentry - sorted));
free(sorted);
goto cleanup_return;
}
/* re-sort sorted[] if not default or reverse default */
if (MRUSORT_R_DEF < order)
qsort(sorted, mru_count, sizeof(sorted[0]),
mru_qcmp_table[order]);
printf( "lstint avgint rstr r m v count rport remote address\n"
"==============================================================================\n");
/* '=' x 78 */
for (ppentry = sorted; ppentry < sorted + mru_count; ppentry++) {
recent = *ppentry;
interval = now;
L_SUB(&interval, &recent->last);
LFPTOD(&interval, flstint);
lstint = (int)(flstint + 0.5);
interval = recent->last;
L_SUB(&interval, &recent->first);
LFPTOD(&interval, favgint);
favgint /= recent->count;
avgint = (int)(favgint + 0.5);
fprintf(fp, "%6d %6d %4hx %c %d %d %6d %5u %s\n",
lstint, avgint, recent->rs,
(RES_KOD & recent->rs)
? 'K'
: (RES_LIMITED & recent->rs)
? 'L'
: '.',
(int)recent->mode, (int)recent->ver,
recent->count, SRCPORT(&recent->addr),
nntohost(&recent->addr));
if (showhostnames)
fflush(fp);
}
fflush(fp);
if (debug) {
fprintf(stderr,
"--- completed, freeing sorted[] pointers\n");
fflush(stderr);
}
free(sorted);
cleanup_return:
if (debug) {
fprintf(stderr, "... freeing MRU entries\n");
fflush(stderr);
}
ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
free(recent);
ITER_DLIST_END()
if (debug) {
fprintf(stderr, "... freeing hash_table[]\n");
fflush(stderr);
}
free(hash_table);
hash_table = NULL;
INIT_DLIST(mru_list, mlink);
}
/*
* validate_ifnum - helper for ifstats()
*
* Ensures rows are received in order and complete.
*/
static void
validate_ifnum(
FILE * fp,
u_int ifnum,
int * pfields,
ifstats_row * prow
)
{
if (prow->ifnum == ifnum)
return;
if (prow->ifnum + 1 <= ifnum) {
if (*pfields < IFSTATS_FIELDS)
fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
*pfields, IFSTATS_FIELDS);
*pfields = 0;
prow->ifnum = ifnum;
return;
}
fprintf(stderr,
"received if index %u, have %d of %d fields for index %u, aborting.\n",
ifnum, *pfields, IFSTATS_FIELDS, prow->ifnum);
exit(1);
}
/*
* another_ifstats_field - helper for ifstats()
*
* If all fields for the row have been received, print it.
*/
static void
another_ifstats_field(
int * pfields,
ifstats_row * prow,
FILE * fp
)
{
u_int ifnum;
(*pfields)++;
/* we understand 12 tags */
if (IFSTATS_FIELDS > *pfields)
return;
/*
" interface name send\n"
" # address/broadcast drop flag ttl mc received sent failed peers uptime\n"
"==============================================================================\n");
*/
fprintf(fp,
"%3u %-24.24s %c %4x %3d %2d %6d %6d %6d %5d %8d\n"
" %s\n",
prow->ifnum, prow->name,
(prow->enabled)
? '.'
: 'D',
prow->flags, prow->ttl, prow->mcast_count,
prow->received, prow->sent, prow->send_errors,
prow->peer_count, prow->uptime, sptoa(&prow->addr));
if (!SOCK_UNSPEC(&prow->bcast))
fprintf(fp, " %s\n", sptoa(&prow->bcast));
ifnum = prow->ifnum;
ZERO(*prow);
prow->ifnum = ifnum;
}
/*
* ifstats - ntpq -c ifstats modeled on ntpdc -c ifstats.
*/
static void
ifstats(
struct parse * pcmd,
FILE * fp
)
{
const char addr_fmt[] = "addr.%u";
const char bcast_fmt[] = "bcast.%u";
const char en_fmt[] = "en.%u"; /* enabled */
const char flags_fmt[] = "flags.%u";
const char mc_fmt[] = "mc.%u"; /* mcast count */
const char name_fmt[] = "name.%u";
const char pc_fmt[] = "pc.%u"; /* peer count */
const char rx_fmt[] = "rx.%u";
const char tl_fmt[] = "tl.%u"; /* ttl */
const char tx_fmt[] = "tx.%u";
const char txerr_fmt[] = "txerr.%u";
const char up_fmt[] = "up.%u"; /* uptime */
const char * datap;
int qres;
int dsize;
u_short rstatus;
char * tag;
char * val;
int fields;
u_int ui;
ifstats_row row;
int comprende;
size_t len;
qres = doquery(CTL_OP_READ_ORDLIST_A, 0, TRUE, 0, NULL, &rstatus,
&dsize, &datap);
if (qres) /* message already displayed */
return;
fprintf(fp,
" interface name send\n"
" # address/broadcast drop flag ttl mc received sent failed peers uptime\n"
"==============================================================================\n");
/* '=' x 78 */
ZERO(row);
fields = 0;
ui = 0;
while (nextvar(&dsize, &datap, &tag, &val)) {
if (debug > 1)
fprintf(stderr, "nextvar gave: %s = %s\n", tag,
(NULL == val)
? ""
: val);
comprende = FALSE;
switch(tag[0]) {
case 'a':
if (1 == sscanf(tag, addr_fmt, &ui) &&
decodenetnum(val, &row.addr))
comprende = TRUE;
break;
case 'b':
if (1 == sscanf(tag, bcast_fmt, &ui) &&
(NULL == val ||
decodenetnum(val, &row.bcast)))
comprende = TRUE;
break;
case 'e':
if (1 == sscanf(tag, en_fmt, &ui) &&
1 == sscanf(val, "%d", &row.enabled))
comprende = TRUE;
break;
case 'f':
if (1 == sscanf(tag, flags_fmt, &ui) &&
1 == sscanf(val, "0x%x", &row.flags))
comprende = TRUE;
break;
case 'm':
if (1 == sscanf(tag, mc_fmt, &ui) &&
1 == sscanf(val, "%d", &row.mcast_count))
comprende = TRUE;
break;
case 'n':
if (1 == sscanf(tag, name_fmt, &ui)) {
/* strip quotes */
INSIST(val);
len = strlen(val);
if (len >= 2 &&
len - 2 < sizeof(row.name)) {
len -= 2;
memcpy(row.name, val + 1, len);
row.name[len] = '\0';
comprende = TRUE;
}
}
break;
case 'p':
if (1 == sscanf(tag, pc_fmt, &ui) &&
1 == sscanf(val, "%d", &row.peer_count))
comprende = TRUE;
break;
case 'r':
if (1 == sscanf(tag, rx_fmt, &ui) &&
1 == sscanf(val, "%d", &row.received))
comprende = TRUE;
break;
case 't':
if (1 == sscanf(tag, tl_fmt, &ui) &&
1 == sscanf(val, "%d", &row.ttl))
comprende = TRUE;
else if (1 == sscanf(tag, tx_fmt, &ui) &&
1 == sscanf(val, "%d", &row.sent))
comprende = TRUE;
else if (1 == sscanf(tag, txerr_fmt, &ui) &&
1 == sscanf(val, "%d", &row.send_errors))
comprende = TRUE;
break;
case 'u':
if (1 == sscanf(tag, up_fmt, &ui) &&
1 == sscanf(val, "%d", &row.uptime))
comprende = TRUE;
break;
}
if (comprende) {
/* error out if rows out of order */
validate_ifnum(fp, ui, &fields, &row);
/* if the row is complete, print it */
another_ifstats_field(&fields, &row, fp);
}
}
if (fields != IFSTATS_FIELDS)
fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
fields, IFSTATS_FIELDS);
fflush(fp);
}
/*
* validate_reslist_idx - helper for reslist()
*
* Ensures rows are received in order and complete.
*/
static void
validate_reslist_idx(
FILE * fp,
u_int idx,
int * pfields,
reslist_row * prow
)
{
if (prow->idx == idx)
return;
if (prow->idx + 1 == idx) {
if (*pfields < RESLIST_FIELDS)
fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
*pfields, RESLIST_FIELDS);
*pfields = 0;
prow->idx = idx;
return;
}
fprintf(stderr,
"received reslist index %u, have %d of %d fields for index %u, aborting.\n",
idx, *pfields, RESLIST_FIELDS, prow->idx);
exit(1);
}
/*
* another_reslist_field - helper for reslist()
*
* If all fields for the row have been received, print it.
*/
static void
another_reslist_field(
int * pfields,
reslist_row * prow,
FILE * fp
)
{
char addrmaskstr[128];
int prefix; /* subnet mask as prefix bits count */
u_int idx;
(*pfields)++;
/* we understand 4 tags */
if (RESLIST_FIELDS > *pfields)
return;
prefix = sockaddr_masktoprefixlen(&prow->mask);
if (prefix >= 0)
snprintf(addrmaskstr, sizeof(addrmaskstr), "%s/%d",
stoa(&prow->addr), prefix);
else
snprintf(addrmaskstr, sizeof(addrmaskstr), "%s %s",
stoa(&prow->addr), stoa(&prow->mask));
/*
" hits addr/prefix or addr mask\n"
" restrictions\n"
"==============================================================================\n");
*/
fprintf(fp,
"%10lu %s\n"
" %s\n",
prow->hits, addrmaskstr, prow->flagstr);
idx = prow->idx;
ZERO(*prow);
prow->idx = idx;
}
/*
* reslist - ntpq -c reslist modeled on ntpdc -c reslist.
*/
static void
reslist(
struct parse * pcmd,
FILE * fp
)
{
const char addr_fmtu[] = "addr.%u";
const char mask_fmtu[] = "mask.%u";
const char hits_fmt[] = "hits.%u";
const char flags_fmt[] = "flags.%u";
const char qdata[] = "addr_restrictions";
const int qdata_chars = COUNTOF(qdata) - 1;
const char * datap;
int qres;
int dsize;
u_short rstatus;
char * tag;
char * val;
int fields;
u_int ui;
reslist_row row;
int comprende;
size_t len;
qres = doquery(CTL_OP_READ_ORDLIST_A, 0, TRUE, qdata_chars,
qdata, &rstatus, &dsize, &datap);
if (qres) /* message already displayed */
return;
fprintf(fp,
" hits addr/prefix or addr mask\n"
" restrictions\n"
"==============================================================================\n");
/* '=' x 78 */
ZERO(row);
fields = 0;
ui = 0;
while (nextvar(&dsize, &datap, &tag, &val)) {
if (debug > 1)
fprintf(stderr, "nextvar gave: %s = %s\n", tag,
(NULL == val)
? ""
: val);
comprende = FALSE;
switch(tag[0]) {
case 'a':
if (1 == sscanf(tag, addr_fmtu, &ui) &&
decodenetnum(val, &row.addr))
comprende = TRUE;
break;
case 'f':
if (1 == sscanf(tag, flags_fmt, &ui)) {
if (NULL == val) {
row.flagstr[0] = '\0';
comprende = TRUE;
} else {
len = strlen(val);
memcpy(row.flagstr, val, len);
row.flagstr[len] = '\0';
comprende = TRUE;
}
}
break;
case 'h':
if (1 == sscanf(tag, hits_fmt, &ui) &&
1 == sscanf(val, "%lu", &row.hits))
comprende = TRUE;
break;
case 'm':
if (1 == sscanf(tag, mask_fmtu, &ui) &&
decodenetnum(val, &row.mask))
comprende = TRUE;
break;
}
if (comprende) {
/* error out if rows out of order */
validate_reslist_idx(fp, ui, &fields, &row);
/* if the row is complete, print it */
another_reslist_field(&fields, &row, fp);
}
}
if (fields != RESLIST_FIELDS)
fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
fields, RESLIST_FIELDS);
fflush(fp);
}
/*
* collect_display_vdc
*/
static void
collect_display_vdc(
associd_t as,
vdc * table,
int decodestatus,
FILE * fp
)
{
static const char * const suf[2] = { "adr", "port" };
static const char * const leapbits[4] = { "00", "01",
"10", "11" };
struct varlist vl[MAXLIST];
char tagbuf[32];
vdc *pvdc;
u_short rstatus;
int rsize;
const char *rdata;
int qres;
char *tag;
char *val;
u_int n;
size_t len;
int match;
u_long ul;
int vtype;
ZERO(vl);
for (pvdc = table; pvdc->tag != NULL; pvdc++) {
ZERO(pvdc->v);
if (NTP_ADD != pvdc->type) {
doaddvlist(vl, pvdc->tag);
} else {
for (n = 0; n < COUNTOF(suf); n++) {
snprintf(tagbuf, sizeof(tagbuf), "%s%s",
pvdc->tag, suf[n]);
doaddvlist(vl, tagbuf);
}
}
}
qres = doquerylist(vl, CTL_OP_READVAR, as, 0, &rstatus, &rsize,
&rdata);
doclearvlist(vl);
if (qres)
return; /* error msg already displayed */
/*
* iterate over the response variables filling vdc_table with
* the retrieved values.
*/
while (nextvar(&rsize, &rdata, &tag, &val)) {
if (NULL == val)
continue;
n = 0;
for (pvdc = table; pvdc->tag != NULL; pvdc++) {
len = strlen(pvdc->tag);
if (strncmp(tag, pvdc->tag, len))
continue;
if (NTP_ADD != pvdc->type) {
if ('\0' != tag[len])
continue;
break;
}
match = FALSE;
for (n = 0; n < COUNTOF(suf); n++) {
if (strcmp(tag + len, suf[n]))
continue;
match = TRUE;
break;
}
if (match)
break;
}
if (NULL == pvdc->tag)
continue;
switch (pvdc->type) {
case NTP_STR:
/* strip surrounding double quotes */
if ('"' == val[0]) {
len = strlen(val);
if (len > 0 && '"' == val[len - 1]) {
val[len - 1] = '\0';
val++;
}
}
/* fallthru */
case NTP_MODE: /* fallthru */
case NTP_2BIT:
pvdc->v.str = estrdup(val);
break;
case NTP_LFP:
decodets(val, &pvdc->v.lfp);
break;
case NTP_ADP:
if (!decodenetnum(val, &pvdc->v.sau))
fprintf(stderr, "malformed %s=%s\n",
pvdc->tag, val);
break;
case NTP_ADD:
if (0 == n) { /* adr */
if (!decodenetnum(val, &pvdc->v.sau))
fprintf(stderr,
"malformed %s=%s\n",
pvdc->tag, val);
} else { /* port */
if (atouint(val, &ul))
SET_PORT(&pvdc->v.sau,
(u_short)ul);
}
break;
}
}
/* and display */
if (decodestatus) {
vtype = (0 == as)
? TYPE_SYS
: TYPE_PEER;
fprintf(fp, "associd=%u status=%04x %s,\n", as, rstatus,
statustoa(vtype, rstatus));
}
for (pvdc = table; pvdc->tag != NULL; pvdc++) {
switch (pvdc->type) {
case NTP_STR:
if (pvdc->v.str != NULL) {
fprintf(fp, "%s %s\n", pvdc->display,
pvdc->v.str);
free(pvdc->v.str);
pvdc->v.str = NULL;
}
break;
case NTP_ADD: /* fallthru */
case NTP_ADP:
fprintf(fp, "%s %s\n", pvdc->display,
nntohostp(&pvdc->v.sau));
break;
case NTP_LFP:
fprintf(fp, "%s %s\n", pvdc->display,
prettydate(&pvdc->v.lfp));
break;
case NTP_MODE:
atouint(pvdc->v.str, &ul);
fprintf(fp, "%s %s\n", pvdc->display,
modetoa((int)ul));
break;
case NTP_2BIT:
atouint(pvdc->v.str, &ul);
fprintf(fp, "%s %s\n", pvdc->display,
leapbits[ul & 0x3]);
break;
default:
fprintf(stderr, "unexpected vdc type %d for %s\n",
pvdc->type, pvdc->tag);
break;
}
}
}
/*
* sysstats - implements ntpq -c sysstats modeled on ntpdc -c sysstats
*/
static void
sysstats(
struct parse *pcmd,
FILE *fp
)
{
static vdc sysstats_vdc[] = {
VDC_INIT("ss_uptime", "uptime: ", NTP_STR),
VDC_INIT("ss_reset", "sysstats reset: ", NTP_STR),
VDC_INIT("ss_received", "packets received: ", NTP_STR),
VDC_INIT("ss_thisver", "current version: ", NTP_STR),
VDC_INIT("ss_oldver", "older version: ", NTP_STR),
VDC_INIT("ss_badformat", "bad length or format: ", NTP_STR),
VDC_INIT("ss_badauth", "authentication failed:", NTP_STR),
VDC_INIT("ss_declined", "declined: ", NTP_STR),
VDC_INIT("ss_restricted", "restricted: ", NTP_STR),
VDC_INIT("ss_limited", "rate limited: ", NTP_STR),
VDC_INIT("ss_kodsent", "KoD responses: ", NTP_STR),
VDC_INIT("ss_processed", "processed for time: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, sysstats_vdc, FALSE, fp);
}
/*
* sysinfo - modeled on ntpdc's sysinfo
*/
static void
sysinfo(
struct parse *pcmd,
FILE *fp
)
{
static vdc sysinfo_vdc[] = {
VDC_INIT("peeradr", "system peer: ", NTP_ADP),
VDC_INIT("peermode", "system peer mode: ", NTP_MODE),
VDC_INIT("leap", "leap indicator: ", NTP_2BIT),
VDC_INIT("stratum", "stratum: ", NTP_STR),
VDC_INIT("precision", "log2 precision: ", NTP_STR),
VDC_INIT("rootdelay", "root delay: ", NTP_STR),
VDC_INIT("rootdisp", "root dispersion: ", NTP_STR),
VDC_INIT("refid", "reference ID: ", NTP_STR),
VDC_INIT("reftime", "reference time: ", NTP_LFP),
VDC_INIT("sys_jitter", "system jitter: ", NTP_STR),
VDC_INIT("clk_jitter", "clock jitter: ", NTP_STR),
VDC_INIT("clk_wander", "clock wander: ", NTP_STR),
VDC_INIT("bcastdelay", "broadcast delay: ", NTP_STR),
VDC_INIT("authdelay", "symm. auth. delay:", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, sysinfo_vdc, TRUE, fp);
}
/*
* kerninfo - modeled on ntpdc's kerninfo
*/
static void
kerninfo(
struct parse *pcmd,
FILE *fp
)
{
static vdc kerninfo_vdc[] = {
VDC_INIT("koffset", "pll offset: ", NTP_STR),
VDC_INIT("kfreq", "pll frequency: ", NTP_STR),
VDC_INIT("kmaxerr", "maximum error: ", NTP_STR),
VDC_INIT("kesterr", "estimated error: ", NTP_STR),
VDC_INIT("kstflags", "kernel status: ", NTP_STR),
VDC_INIT("ktimeconst", "pll time constant: ", NTP_STR),
VDC_INIT("kprecis", "precision: ", NTP_STR),
VDC_INIT("kfreqtol", "frequency tolerance: ", NTP_STR),
VDC_INIT("kppsfreq", "pps frequency: ", NTP_STR),
VDC_INIT("kppsstab", "pps stability: ", NTP_STR),
VDC_INIT("kppsjitter", "pps jitter: ", NTP_STR),
VDC_INIT("kppscalibdur", "calibration interval ", NTP_STR),
VDC_INIT("kppscalibs", "calibration cycles: ", NTP_STR),
VDC_INIT("kppsjitexc", "jitter exceeded: ", NTP_STR),
VDC_INIT("kppsstbexc", "stability exceeded: ", NTP_STR),
VDC_INIT("kppscaliberrs", "calibration errors: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, kerninfo_vdc, TRUE, fp);
}
/*
* monstats - implements ntpq -c monstats
*/
static void
monstats(
struct parse *pcmd,
FILE *fp
)
{
static vdc monstats_vdc[] = {
VDC_INIT("mru_enabled", "enabled: ", NTP_STR),
VDC_INIT("mru_depth", "addresses: ", NTP_STR),
VDC_INIT("mru_deepest", "peak addresses: ", NTP_STR),
VDC_INIT("mru_maxdepth", "maximum addresses: ", NTP_STR),
VDC_INIT("mru_mindepth", "reclaim above count:", NTP_STR),
VDC_INIT("mru_maxage", "reclaim older than: ", NTP_STR),
VDC_INIT("mru_mem", "kilobytes: ", NTP_STR),
VDC_INIT("mru_maxmem", "maximum kilobytes: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, monstats_vdc, FALSE, fp);
}
/*
* iostats - ntpq -c iostats - network input and output counters
*/
static void
iostats(
struct parse *pcmd,
FILE *fp
)
{
static vdc iostats_vdc[] = {
VDC_INIT("iostats_reset", "time since reset: ", NTP_STR),
VDC_INIT("total_rbuf", "receive buffers: ", NTP_STR),
VDC_INIT("free_rbuf", "free receive buffers: ", NTP_STR),
VDC_INIT("used_rbuf", "used receive buffers: ", NTP_STR),
VDC_INIT("rbuf_lowater", "low water refills: ", NTP_STR),
VDC_INIT("io_dropped", "dropped packets: ", NTP_STR),
VDC_INIT("io_ignored", "ignored packets: ", NTP_STR),
VDC_INIT("io_received", "received packets: ", NTP_STR),
VDC_INIT("io_sent", "packets sent: ", NTP_STR),
VDC_INIT("io_sendfailed", "packet send failures: ", NTP_STR),
VDC_INIT("io_wakeups", "input wakeups: ", NTP_STR),
VDC_INIT("io_goodwakeups", "useful input wakeups: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, iostats_vdc, FALSE, fp);
}
/*
* timerstats - ntpq -c timerstats - interval timer counters
*/
static void
timerstats(
struct parse *pcmd,
FILE *fp
)
{
static vdc timerstats_vdc[] = {
VDC_INIT("timerstats_reset", "time since reset: ", NTP_STR),
VDC_INIT("timer_overruns", "timer overruns: ", NTP_STR),
VDC_INIT("timer_xmts", "calls to transmit: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, timerstats_vdc, FALSE, fp);
}
/*
* authinfo - implements ntpq -c authinfo
*/
static void
authinfo(
struct parse *pcmd,
FILE *fp
)
{
static vdc authinfo_vdc[] = {
VDC_INIT("authreset", "time since reset:", NTP_STR),
VDC_INIT("authkeys", "stored keys: ", NTP_STR),
VDC_INIT("authfreek", "free keys: ", NTP_STR),
VDC_INIT("authklookups", "key lookups: ", NTP_STR),
VDC_INIT("authknotfound", "keys not found: ", NTP_STR),
VDC_INIT("authkuncached", "uncached keys: ", NTP_STR),
VDC_INIT("authkexpired", "expired keys: ", NTP_STR),
VDC_INIT("authencrypts", "encryptions: ", NTP_STR),
VDC_INIT("authdecrypts", "decryptions: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
collect_display_vdc(0, authinfo_vdc, FALSE, fp);
}
/*
* pstats - show statistics for a peer
*/
static void
pstats(
struct parse *pcmd,
FILE *fp
)
{
static vdc pstats_vdc[] = {
VDC_INIT("src", "remote host: ", NTP_ADD),
VDC_INIT("dst", "local address: ", NTP_ADD),
VDC_INIT("timerec", "time last received: ", NTP_STR),
VDC_INIT("timer", "time until next send:", NTP_STR),
VDC_INIT("timereach", "reachability change: ", NTP_STR),
VDC_INIT("sent", "packets sent: ", NTP_STR),
VDC_INIT("received", "packets received: ", NTP_STR),
VDC_INIT("badauth", "bad authentication: ", NTP_STR),
VDC_INIT("bogusorg", "bogus origin: ", NTP_STR),
VDC_INIT("oldpkt", "duplicate: ", NTP_STR),
VDC_INIT("seldisp", "bad dispersion: ", NTP_STR),
VDC_INIT("selbroken", "bad reference time: ", NTP_STR),
VDC_INIT("candidate", "candidate order: ", NTP_STR),
VDC_INIT(NULL, NULL, 0)
};
associd_t associd;
associd = checkassocid(pcmd->argval[0].uval);
if (0 == associd)
return;
collect_display_vdc(associd, pstats_vdc, TRUE, fp);
}
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