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-rw-r--r--plugins/check_ntp_peer.c588
1 files changed, 294 insertions, 294 deletions
diff --git a/plugins/check_ntp_peer.c b/plugins/check_ntp_peer.c
index 464a9e10..039423b3 100644
--- a/plugins/check_ntp_peer.c
+++ b/plugins/check_ntp_peer.c
@@ -1,39 +1,39 @@
1/***************************************************************************** 1/*****************************************************************************
2* 2 *
3* Monitoring check_ntp_peer plugin 3 * Monitoring check_ntp_peer plugin
4* 4 *
5* License: GPL 5 * License: GPL
6* Copyright (c) 2006 Sean Finney <seanius@seanius.net> 6 * Copyright (c) 2006 Sean Finney <seanius@seanius.net>
7* Copyright (c) 2006-2008 Monitoring Plugins Development Team 7 * Copyright (c) 2006-2008 Monitoring Plugins Development Team
8* 8 *
9* Description: 9 * Description:
10* 10 *
11* This file contains the check_ntp_peer plugin 11 * This file contains the check_ntp_peer plugin
12* 12 *
13* This plugin checks an NTP server independent of any commandline 13 * This plugin checks an NTP server independent of any commandline
14* programs or external libraries. 14 * programs or external libraries.
15* 15 *
16* Use this plugin to check the health of an NTP server. It supports 16 * Use this plugin to check the health of an NTP server. It supports
17* checking the offset with the sync peer, the jitter and stratum. This 17 * checking the offset with the sync peer, the jitter and stratum. This
18* plugin will not check the clock offset between the local host and NTP 18 * plugin will not check the clock offset between the local host and NTP
19* server; please use check_ntp_time for that purpose. 19 * server; please use check_ntp_time for that purpose.
20* 20 *
21* 21 *
22* This program is free software: you can redistribute it and/or modify 22 * This program is free software: you can redistribute it and/or modify
23* it under the terms of the GNU General Public License as published by 23 * it under the terms of the GNU General Public License as published by
24* the Free Software Foundation, either version 3 of the License, or 24 * the Free Software Foundation, either version 3 of the License, or
25* (at your option) any later version. 25 * (at your option) any later version.
26* 26 *
27* This program is distributed in the hope that it will be useful, 27 * This program is distributed in the hope that it will be useful,
28* but WITHOUT ANY WARRANTY; without even the implied warranty of 28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30* GNU General Public License for more details. 30 * GNU General Public License for more details.
31* 31 *
32* You should have received a copy of the GNU General Public License 32 * You should have received a copy of the GNU General Public License
33* along with this program. If not, see <http://www.gnu.org/licenses/>. 33 * along with this program. If not, see <http://www.gnu.org/licenses/>.
34* 34 *
35* 35 *
36*****************************************************************************/ 36 *****************************************************************************/
37 37
38const char *progname = "check_ntp_peer"; 38const char *progname = "check_ntp_peer";
39const char *copyright = "2006-2008"; 39const char *copyright = "2006-2008";
@@ -43,46 +43,46 @@ const char *email = "devel@monitoring-plugins.org";
43#include "netutils.h" 43#include "netutils.h"
44#include "utils.h" 44#include "utils.h"
45 45
46static char *server_address=NULL; 46static char *server_address = NULL;
47static int port=123; 47static int port = 123;
48static int verbose=0; 48static int verbose = 0;
49static bool quiet = false; 49static bool quiet = false;
50static char *owarn="60"; 50static char *owarn = "60";
51static char *ocrit="120"; 51static char *ocrit = "120";
52static bool do_stratum = false; 52static bool do_stratum = false;
53static char *swarn="-1:16"; 53static char *swarn = "-1:16";
54static char *scrit="-1:16"; 54static char *scrit = "-1:16";
55static bool do_jitter = false; 55static bool do_jitter = false;
56static char *jwarn="-1:5000"; 56static char *jwarn = "-1:5000";
57static char *jcrit="-1:10000"; 57static char *jcrit = "-1:10000";
58static bool do_truechimers = false; 58static bool do_truechimers = false;
59static char *twarn="0:"; 59static char *twarn = "0:";
60static char *tcrit="0:"; 60static char *tcrit = "0:";
61static bool syncsource_found = false; 61static bool syncsource_found = false;
62static bool li_alarm = false; 62static bool li_alarm = false;
63 63
64int process_arguments (int, char **); 64int process_arguments(int, char **);
65thresholds *offset_thresholds = NULL; 65thresholds *offset_thresholds = NULL;
66thresholds *jitter_thresholds = NULL; 66thresholds *jitter_thresholds = NULL;
67thresholds *stratum_thresholds = NULL; 67thresholds *stratum_thresholds = NULL;
68thresholds *truechimer_thresholds = NULL; 68thresholds *truechimer_thresholds = NULL;
69void print_help (void); 69void print_help(void);
70void print_usage (void); 70void print_usage(void);
71 71
72/* max size of control message data */ 72/* max size of control message data */
73#define MAX_CM_SIZE 468 73#define MAX_CM_SIZE 468
74 74
75/* this structure holds everything in an ntp control message as per rfc1305 */ 75/* this structure holds everything in an ntp control message as per rfc1305 */
76typedef struct { 76typedef struct {
77 uint8_t flags; /* byte with leapindicator,vers,mode. see macros */ 77 uint8_t flags; /* byte with leapindicator,vers,mode. see macros */
78 uint8_t op; /* R,E,M bits and Opcode */ 78 uint8_t op; /* R,E,M bits and Opcode */
79 uint16_t seq; /* Packet sequence */ 79 uint16_t seq; /* Packet sequence */
80 uint16_t status; /* Clock status */ 80 uint16_t status; /* Clock status */
81 uint16_t assoc; /* Association */ 81 uint16_t assoc; /* Association */
82 uint16_t offset; /* Similar to TCP sequence # */ 82 uint16_t offset; /* Similar to TCP sequence # */
83 uint16_t count; /* # bytes of data */ 83 uint16_t count; /* # bytes of data */
84 char data[MAX_CM_SIZE]; /* ASCII data of the request */ 84 char data[MAX_CM_SIZE]; /* ASCII data of the request */
85 /* NB: not necessarily NULL terminated! */ 85 /* NB: not necessarily NULL terminated! */
86} ntp_control_message; 86} ntp_control_message;
87 87
88/* this is an association/status-word pair found in control packet responses */ 88/* this is an association/status-word pair found in control packet responses */
@@ -93,82 +93,98 @@ typedef struct {
93 93
94/* bits 1,2 are the leap indicator */ 94/* bits 1,2 are the leap indicator */
95#define LI_MASK 0xc0 95#define LI_MASK 0xc0
96#define LI(x) ((x&LI_MASK)>>6) 96#define LI(x) ((x & LI_MASK) >> 6)
97#define LI_SET(x,y) do{ x |= ((y<<6)&LI_MASK); }while(0) 97#define LI_SET(x, y) \
98 do { \
99 x |= ((y << 6) & LI_MASK); \
100 } while (0)
98/* and these are the values of the leap indicator */ 101/* and these are the values of the leap indicator */
99#define LI_NOWARNING 0x00 102#define LI_NOWARNING 0x00
100#define LI_EXTRASEC 0x01 103#define LI_EXTRASEC 0x01
101#define LI_MISSINGSEC 0x02 104#define LI_MISSINGSEC 0x02
102#define LI_ALARM 0x03 105#define LI_ALARM 0x03
103/* bits 3,4,5 are the ntp version */ 106/* bits 3,4,5 are the ntp version */
104#define VN_MASK 0x38 107#define VN_MASK 0x38
105#define VN(x) ((x&VN_MASK)>>3) 108#define VN(x) ((x & VN_MASK) >> 3)
106#define VN_SET(x,y) do{ x |= ((y<<3)&VN_MASK); }while(0) 109#define VN_SET(x, y) \
110 do { \
111 x |= ((y << 3) & VN_MASK); \
112 } while (0)
107#define VN_RESERVED 0x02 113#define VN_RESERVED 0x02
108/* bits 6,7,8 are the ntp mode */ 114/* bits 6,7,8 are the ntp mode */
109#define MODE_MASK 0x07 115#define MODE_MASK 0x07
110#define MODE(x) (x&MODE_MASK) 116#define MODE(x) (x & MODE_MASK)
111#define MODE_SET(x,y) do{ x |= (y&MODE_MASK); }while(0) 117#define MODE_SET(x, y) \
118 do { \
119 x |= (y & MODE_MASK); \
120 } while (0)
112/* here are some values */ 121/* here are some values */
113#define MODE_CLIENT 0x03 122#define MODE_CLIENT 0x03
114#define MODE_CONTROLMSG 0x06 123#define MODE_CONTROLMSG 0x06
115/* In control message, bits 8-10 are R,E,M bits */ 124/* In control message, bits 8-10 are R,E,M bits */
116#define REM_MASK 0xe0 125#define REM_MASK 0xe0
117#define REM_RESP 0x80 126#define REM_RESP 0x80
118#define REM_ERROR 0x40 127#define REM_ERROR 0x40
119#define REM_MORE 0x20 128#define REM_MORE 0x20
120/* In control message, bits 11 - 15 are opcode */ 129/* In control message, bits 11 - 15 are opcode */
121#define OP_MASK 0x1f 130#define OP_MASK 0x1f
122#define OP_SET(x,y) do{ x |= (y&OP_MASK); }while(0) 131#define OP_SET(x, y) \
132 do { \
133 x |= (y & OP_MASK); \
134 } while (0)
123#define OP_READSTAT 0x01 135#define OP_READSTAT 0x01
124#define OP_READVAR 0x02 136#define OP_READVAR 0x02
125/* In peer status bytes, bits 6,7,8 determine clock selection status */ 137/* In peer status bytes, bits 6,7,8 determine clock selection status */
126#define PEER_SEL(x) ((ntohs(x)>>8)&0x07) 138#define PEER_SEL(x) ((ntohs(x) >> 8) & 0x07)
127#define PEER_TRUECHIMER 0x02 139#define PEER_TRUECHIMER 0x02
128#define PEER_INCLUDED 0x04 140#define PEER_INCLUDED 0x04
129#define PEER_SYNCSOURCE 0x06 141#define PEER_SYNCSOURCE 0x06
130 142
131/* NTP control message header is 12 bytes, plus any data in the data 143/* NTP control message header is 12 bytes, plus any data in the data
132 * field, plus null padding to the nearest 32-bit boundary per rfc. 144 * field, plus null padding to the nearest 32-bit boundary per rfc.
133 */ 145 */
134#define SIZEOF_NTPCM(m) (12+ntohs(m.count)+((ntohs(m.count)%4)?4-(ntohs(m.count)%4):0)) 146#define SIZEOF_NTPCM(m) (12 + ntohs(m.count) + ((ntohs(m.count) % 4) ? 4 - (ntohs(m.count) % 4) : 0))
135 147
136/* finally, a little helper or two for debugging: */ 148/* finally, a little helper or two for debugging: */
137#define DBG(x) do{if(verbose>1){ x; }}while(0); 149#define DBG(x) \
138#define PRINTSOCKADDR(x) \ 150 do { \
139 do{ \ 151 if (verbose > 1) { \
140 printf("%u.%u.%u.%u", (x>>24)&0xff, (x>>16)&0xff, (x>>8)&0xff, x&0xff);\ 152 x; \
141 }while(0); 153 } \
142 154 } while (0);
143void print_ntp_control_message(const ntp_control_message *p){ 155#define PRINTSOCKADDR(x) \
144 int i=0, numpeers=0; 156 do { \
145 const ntp_assoc_status_pair *peer=NULL; 157 printf("%u.%u.%u.%u", (x >> 24) & 0xff, (x >> 16) & 0xff, (x >> 8) & 0xff, x & 0xff); \
158 } while (0);
159
160void print_ntp_control_message(const ntp_control_message *p) {
161 int i = 0, numpeers = 0;
162 const ntp_assoc_status_pair *peer = NULL;
146 163
147 printf("control packet contents:\n"); 164 printf("control packet contents:\n");
148 printf("\tflags: 0x%.2x , 0x%.2x\n", p->flags, p->op); 165 printf("\tflags: 0x%.2x , 0x%.2x\n", p->flags, p->op);
149 printf("\t li=%d (0x%.2x)\n", LI(p->flags), p->flags&LI_MASK); 166 printf("\t li=%d (0x%.2x)\n", LI(p->flags), p->flags & LI_MASK);
150 printf("\t vn=%d (0x%.2x)\n", VN(p->flags), p->flags&VN_MASK); 167 printf("\t vn=%d (0x%.2x)\n", VN(p->flags), p->flags & VN_MASK);
151 printf("\t mode=%d (0x%.2x)\n", MODE(p->flags), p->flags&MODE_MASK); 168 printf("\t mode=%d (0x%.2x)\n", MODE(p->flags), p->flags & MODE_MASK);
152 printf("\t response=%d (0x%.2x)\n", (p->op&REM_RESP)>0, p->op&REM_RESP); 169 printf("\t response=%d (0x%.2x)\n", (p->op & REM_RESP) > 0, p->op & REM_RESP);
153 printf("\t more=%d (0x%.2x)\n", (p->op&REM_MORE)>0, p->op&REM_MORE); 170 printf("\t more=%d (0x%.2x)\n", (p->op & REM_MORE) > 0, p->op & REM_MORE);
154 printf("\t error=%d (0x%.2x)\n", (p->op&REM_ERROR)>0, p->op&REM_ERROR); 171 printf("\t error=%d (0x%.2x)\n", (p->op & REM_ERROR) > 0, p->op & REM_ERROR);
155 printf("\t op=%d (0x%.2x)\n", p->op&OP_MASK, p->op&OP_MASK); 172 printf("\t op=%d (0x%.2x)\n", p->op & OP_MASK, p->op & OP_MASK);
156 printf("\tsequence: %d (0x%.2x)\n", ntohs(p->seq), ntohs(p->seq)); 173 printf("\tsequence: %d (0x%.2x)\n", ntohs(p->seq), ntohs(p->seq));
157 printf("\tstatus: %d (0x%.2x)\n", ntohs(p->status), ntohs(p->status)); 174 printf("\tstatus: %d (0x%.2x)\n", ntohs(p->status), ntohs(p->status));
158 printf("\tassoc: %d (0x%.2x)\n", ntohs(p->assoc), ntohs(p->assoc)); 175 printf("\tassoc: %d (0x%.2x)\n", ntohs(p->assoc), ntohs(p->assoc));
159 printf("\toffset: %d (0x%.2x)\n", ntohs(p->offset), ntohs(p->offset)); 176 printf("\toffset: %d (0x%.2x)\n", ntohs(p->offset), ntohs(p->offset));
160 printf("\tcount: %d (0x%.2x)\n", ntohs(p->count), ntohs(p->count)); 177 printf("\tcount: %d (0x%.2x)\n", ntohs(p->count), ntohs(p->count));
161 numpeers=ntohs(p->count)/(sizeof(ntp_assoc_status_pair)); 178 numpeers = ntohs(p->count) / (sizeof(ntp_assoc_status_pair));
162 if(p->op&REM_RESP && p->op&OP_READSTAT){ 179 if (p->op & REM_RESP && p->op & OP_READSTAT) {
163 peer=(ntp_assoc_status_pair*)p->data; 180 peer = (ntp_assoc_status_pair *)p->data;
164 for(i=0;i<numpeers;i++){ 181 for (i = 0; i < numpeers; i++) {
165 printf("\tpeer id %.2x status %.2x", 182 printf("\tpeer id %.2x status %.2x", ntohs(peer[i].assoc), ntohs(peer[i].status));
166 ntohs(peer[i].assoc), ntohs(peer[i].status)); 183 if (PEER_SEL(peer[i].status) >= PEER_SYNCSOURCE) {
167 if(PEER_SEL(peer[i].status) >= PEER_SYNCSOURCE){
168 printf(" <-- current sync source"); 184 printf(" <-- current sync source");
169 } else if(PEER_SEL(peer[i].status) >= PEER_INCLUDED){ 185 } else if (PEER_SEL(peer[i].status) >= PEER_INCLUDED) {
170 printf(" <-- current sync candidate"); 186 printf(" <-- current sync candidate");
171 } else if(PEER_SEL(peer[i].status) >= PEER_TRUECHIMER){ 187 } else if (PEER_SEL(peer[i].status) >= PEER_TRUECHIMER) {
172 printf(" <-- outlyer, but truechimer"); 188 printf(" <-- outlyer, but truechimer");
173 } 189 }
174 printf("\n"); 190 printf("\n");
@@ -176,8 +192,7 @@ void print_ntp_control_message(const ntp_control_message *p){
176 } 192 }
177} 193}
178 194
179void 195void setup_control_request(ntp_control_message *p, uint8_t opcode, uint16_t seq) {
180setup_control_request(ntp_control_message *p, uint8_t opcode, uint16_t seq){
181 memset(p, 0, sizeof(ntp_control_message)); 196 memset(p, 0, sizeof(ntp_control_message));
182 LI_SET(p->flags, LI_NOWARNING); 197 LI_SET(p->flags, LI_NOWARNING);
183 VN_SET(p->flags, VN_RESERVED); 198 VN_SET(p->flags, VN_RESERVED);
@@ -198,13 +213,13 @@ setup_control_request(ntp_control_message *p, uint8_t opcode, uint16_t seq){
198 * status is pretty much useless as syncsource_found is a global variable 213 * status is pretty much useless as syncsource_found is a global variable
199 * used later in main to check is the server was synchronized. It works 214 * used later in main to check is the server was synchronized. It works
200 * so I left it alone */ 215 * so I left it alone */
201int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum, int *num_truechimers){ 216int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum, int *num_truechimers) {
202 int conn=-1, i, npeers=0, num_candidates=0; 217 int conn = -1, i, npeers = 0, num_candidates = 0;
203 double tmp_offset = 0; 218 double tmp_offset = 0;
204 int min_peer_sel=PEER_INCLUDED; 219 int min_peer_sel = PEER_INCLUDED;
205 int peers_size=0, peer_offset=0; 220 int peers_size = 0, peer_offset = 0;
206 int status; 221 int status;
207 ntp_assoc_status_pair *peers=NULL; 222 ntp_assoc_status_pair *peers = NULL;
208 ntp_control_message req; 223 ntp_control_message req;
209 const char *getvar = "stratum,offset,jitter"; 224 const char *getvar = "stratum,offset,jitter";
210 char *data, *value, *nptr; 225 char *data, *value, *nptr;
@@ -235,7 +250,7 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
235 250
236 /* keep sending requests until the server stops setting the 251 /* keep sending requests until the server stops setting the
237 * REM_MORE bit, though usually this is only 1 packet. */ 252 * REM_MORE bit, though usually this is only 1 packet. */
238 do{ 253 do {
239 setup_control_request(&req, OP_READSTAT, 1); 254 setup_control_request(&req, OP_READSTAT, 1);
240 DBG(printf("sending READSTAT request")); 255 DBG(printf("sending READSTAT request"));
241 write(conn, &req, SIZEOF_NTPCM(req)); 256 write(conn, &req, SIZEOF_NTPCM(req));
@@ -243,63 +258,68 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
243 258
244 do { 259 do {
245 /* Attempt to read the largest size packet possible */ 260 /* Attempt to read the largest size packet possible */
246 req.count=htons(MAX_CM_SIZE); 261 req.count = htons(MAX_CM_SIZE);
247 DBG(printf("receiving READSTAT response")) 262 DBG(printf("receiving READSTAT response"))
248 if(read(conn, &req, SIZEOF_NTPCM(req)) == -1) 263 if (read(conn, &req, SIZEOF_NTPCM(req)) == -1)
249 die(STATE_CRITICAL, "NTP CRITICAL: No response from NTP server\n"); 264 die(STATE_CRITICAL, "NTP CRITICAL: No response from NTP server\n");
250 DBG(print_ntp_control_message(&req)); 265 DBG(print_ntp_control_message(&req));
251 /* discard obviously invalid packets */ 266 /* discard obviously invalid packets */
252 if (ntohs(req.count) > MAX_CM_SIZE) 267 if (ntohs(req.count) > MAX_CM_SIZE)
253 die(STATE_CRITICAL, "NTP CRITICAL: Invalid packet received from NTP server\n"); 268 die(STATE_CRITICAL, "NTP CRITICAL: Invalid packet received from NTP server\n");
254 } while (!(req.op&OP_READSTAT && ntohs(req.seq) == 1)); 269 } while (!(req.op & OP_READSTAT && ntohs(req.seq) == 1));
255 270
256 if (LI(req.flags) == LI_ALARM) li_alarm = true; 271 if (LI(req.flags) == LI_ALARM)
272 li_alarm = true;
257 /* Each peer identifier is 4 bytes in the data section, which 273 /* Each peer identifier is 4 bytes in the data section, which
258 * we represent as a ntp_assoc_status_pair datatype. 274 * we represent as a ntp_assoc_status_pair datatype.
259 */ 275 */
260 peers_size+=ntohs(req.count); 276 peers_size += ntohs(req.count);
261 if((tmp=realloc(peers, peers_size)) == NULL) 277 if ((tmp = realloc(peers, peers_size)) == NULL)
262 free(peers), die(STATE_UNKNOWN, "can not (re)allocate 'peers' buffer\n"); 278 free(peers), die(STATE_UNKNOWN, "can not (re)allocate 'peers' buffer\n");
263 peers=tmp; 279 peers = tmp;
264 memcpy((void*)((ptrdiff_t)peers+peer_offset), (void*)req.data, ntohs(req.count)); 280 memcpy((void *)((ptrdiff_t)peers + peer_offset), (void *)req.data, ntohs(req.count));
265 npeers=peers_size/sizeof(ntp_assoc_status_pair); 281 npeers = peers_size / sizeof(ntp_assoc_status_pair);
266 peer_offset+=ntohs(req.count); 282 peer_offset += ntohs(req.count);
267 } while(req.op&REM_MORE); 283 } while (req.op & REM_MORE);
268 284
269 /* first, let's find out if we have a sync source, or if there are 285 /* first, let's find out if we have a sync source, or if there are
270 * at least some candidates. In the latter case we'll issue 286 * at least some candidates. In the latter case we'll issue
271 * a warning but go ahead with the check on them. */ 287 * a warning but go ahead with the check on them. */
272 for (i = 0; i < npeers; i++){ 288 for (i = 0; i < npeers; i++) {
273 if(PEER_SEL(peers[i].status) >= PEER_TRUECHIMER){ 289 if (PEER_SEL(peers[i].status) >= PEER_TRUECHIMER) {
274 (*num_truechimers)++; 290 (*num_truechimers)++;
275 if(PEER_SEL(peers[i].status) >= PEER_INCLUDED){ 291 if (PEER_SEL(peers[i].status) >= PEER_INCLUDED) {
276 num_candidates++; 292 num_candidates++;
277 if(PEER_SEL(peers[i].status) >= PEER_SYNCSOURCE){ 293 if (PEER_SEL(peers[i].status) >= PEER_SYNCSOURCE) {
278 syncsource_found = true; 294 syncsource_found = true;
279 min_peer_sel=PEER_SYNCSOURCE; 295 min_peer_sel = PEER_SYNCSOURCE;
280 } 296 }
281 } 297 }
282 } 298 }
283 } 299 }
284 if(verbose) printf("%d candidate peers available\n", num_candidates); 300 if (verbose)
285 if(verbose && syncsource_found) printf("synchronization source found\n"); 301 printf("%d candidate peers available\n", num_candidates);
286 if(! syncsource_found){ 302 if (verbose && syncsource_found)
303 printf("synchronization source found\n");
304 if (!syncsource_found) {
287 status = STATE_WARNING; 305 status = STATE_WARNING;
288 if(verbose) printf("warning: no synchronization source found\n"); 306 if (verbose)
307 printf("warning: no synchronization source found\n");
289 } 308 }
290 if(li_alarm){ 309 if (li_alarm) {
291 status = STATE_WARNING; 310 status = STATE_WARNING;
292 if(verbose) printf("warning: LI_ALARM bit is set\n"); 311 if (verbose)
312 printf("warning: LI_ALARM bit is set\n");
293 } 313 }
294 314
295 315 for (i = 0; i < npeers; i++) {
296 for (i = 0; i < npeers; i++){
297 /* Only query this server if it is the current sync source */ 316 /* Only query this server if it is the current sync source */
298 /* If there's no sync.peer, query all candidates and use the best one */ 317 /* If there's no sync.peer, query all candidates and use the best one */
299 if (PEER_SEL(peers[i].status) >= min_peer_sel){ 318 if (PEER_SEL(peers[i].status) >= min_peer_sel) {
300 if(verbose) printf("Getting offset, jitter and stratum for peer %.2x\n", ntohs(peers[i].assoc)); 319 if (verbose)
320 printf("Getting offset, jitter and stratum for peer %.2x\n", ntohs(peers[i].assoc));
301 xasprintf(&data, ""); 321 xasprintf(&data, "");
302 do{ 322 do {
303 setup_control_request(&req, OP_READVAR, 2); 323 setup_control_request(&req, OP_READVAR, 2);
304 req.assoc = peers[i].assoc; 324 req.assoc = peers[i].assoc;
305 /* Putting the wanted variable names in the request 325 /* Putting the wanted variable names in the request
@@ -309,7 +329,7 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
309 */ 329 */
310 /* Older servers doesn't know what jitter is, so if we get an 330 /* Older servers doesn't know what jitter is, so if we get an
311 * error on the first pass we redo it with "dispersion" */ 331 * error on the first pass we redo it with "dispersion" */
312 strncpy(req.data, getvar, MAX_CM_SIZE-1); 332 strncpy(req.data, getvar, MAX_CM_SIZE - 1);
313 req.count = htons(strlen(getvar)); 333 req.count = htons(strlen(getvar));
314 DBG(printf("sending READVAR request...\n")); 334 DBG(printf("sending READVAR request...\n"));
315 write(conn, &req, SIZEOF_NTPCM(req)); 335 write(conn, &req, SIZEOF_NTPCM(req));
@@ -320,44 +340,49 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
320 DBG(printf("receiving READVAR response...\n")); 340 DBG(printf("receiving READVAR response...\n"));
321 read(conn, &req, SIZEOF_NTPCM(req)); 341 read(conn, &req, SIZEOF_NTPCM(req));
322 DBG(print_ntp_control_message(&req)); 342 DBG(print_ntp_control_message(&req));
323 } while (!(req.op&OP_READVAR && ntohs(req.seq) == 2)); 343 } while (!(req.op & OP_READVAR && ntohs(req.seq) == 2));
324 344
325 if(!(req.op&REM_ERROR)) 345 if (!(req.op & REM_ERROR))
326 xasprintf(&data, "%s%s", data, req.data); 346 xasprintf(&data, "%s%s", data, req.data);
327 } while(req.op&REM_MORE); 347 } while (req.op & REM_MORE);
328 348
329 if(req.op&REM_ERROR) { 349 if (req.op & REM_ERROR) {
330 if(strstr(getvar, "jitter")) { 350 if (strstr(getvar, "jitter")) {
331 if(verbose) printf("The command failed. This is usually caused by servers refusing the 'jitter'\nvariable. Restarting with 'dispersion'...\n"); 351 if (verbose)
352 printf("The command failed. This is usually caused by servers refusing the 'jitter'\nvariable. Restarting with "
353 "'dispersion'...\n");
332 getvar = "stratum,offset,dispersion"; 354 getvar = "stratum,offset,dispersion";
333 i--; 355 i--;
334 continue; 356 continue;
335 } else if(strlen(getvar)) { 357 } else if (strlen(getvar)) {
336 if(verbose) printf("Server didn't like dispersion either; will retrieve everything\n"); 358 if (verbose)
359 printf("Server didn't like dispersion either; will retrieve everything\n");
337 getvar = ""; 360 getvar = "";
338 i--; 361 i--;
339 continue; 362 continue;
340 } 363 }
341 } 364 }
342 365
343 if(verbose > 1) 366 if (verbose > 1)
344 printf("Server responded: >>>%s<<<\n", data); 367 printf("Server responded: >>>%s<<<\n", data);
345 368
346 /* get the offset */ 369 /* get the offset */
347 if(verbose) 370 if (verbose)
348 printf("parsing offset from peer %.2x: ", ntohs(peers[i].assoc)); 371 printf("parsing offset from peer %.2x: ", ntohs(peers[i].assoc));
349 372
350 value = np_extract_ntpvar(data, "offset"); 373 value = np_extract_ntpvar(data, "offset");
351 nptr=NULL; 374 nptr = NULL;
352 /* Convert the value if we have one */ 375 /* Convert the value if we have one */
353 if(value != NULL) 376 if (value != NULL)
354 tmp_offset = strtod(value, &nptr) / 1000; 377 tmp_offset = strtod(value, &nptr) / 1000;
355 /* If value is null or no conversion was performed */ 378 /* If value is null or no conversion was performed */
356 if(value == NULL || value==nptr) { 379 if (value == NULL || value == nptr) {
357 if(verbose) printf("error: unable to read server offset response.\n"); 380 if (verbose)
381 printf("error: unable to read server offset response.\n");
358 } else { 382 } else {
359 if(verbose) printf("%.10g\n", tmp_offset); 383 if (verbose)
360 if(*offset_result == STATE_UNKNOWN || fabs(tmp_offset) < fabs(*offset)) { 384 printf("%.10g\n", tmp_offset);
385 if (*offset_result == STATE_UNKNOWN || fabs(tmp_offset) < fabs(*offset)) {
361 *offset = tmp_offset; 386 *offset = tmp_offset;
362 *offset_result = STATE_OK; 387 *offset_result = STATE_OK;
363 } else { 388 } else {
@@ -366,81 +391,72 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
366 } 391 }
367 } 392 }
368 393
369 if(do_jitter) { 394 if (do_jitter) {
370 /* get the jitter */ 395 /* get the jitter */
371 if(verbose) { 396 if (verbose) {
372 printf("parsing %s from peer %.2x: ", strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter", ntohs(peers[i].assoc)); 397 printf("parsing %s from peer %.2x: ", strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter",
398 ntohs(peers[i].assoc));
373 } 399 }
374 value = np_extract_ntpvar(data, strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter"); 400 value = np_extract_ntpvar(data, strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter");
375 nptr=NULL; 401 nptr = NULL;
376 /* Convert the value if we have one */ 402 /* Convert the value if we have one */
377 if(value != NULL) 403 if (value != NULL)
378 *jitter = strtod(value, &nptr); 404 *jitter = strtod(value, &nptr);
379 /* If value is null or no conversion was performed */ 405 /* If value is null or no conversion was performed */
380 if(value == NULL || value==nptr) { 406 if (value == NULL || value == nptr) {
381 if(verbose) printf("error: unable to read server jitter/dispersion response.\n"); 407 if (verbose)
408 printf("error: unable to read server jitter/dispersion response.\n");
382 *jitter = -1; 409 *jitter = -1;
383 } else if(verbose) { 410 } else if (verbose) {
384 printf("%.10g\n", *jitter); 411 printf("%.10g\n", *jitter);
385 } 412 }
386 } 413 }
387 414
388 if(do_stratum) { 415 if (do_stratum) {
389 /* get the stratum */ 416 /* get the stratum */
390 if(verbose) { 417 if (verbose) {
391 printf("parsing stratum from peer %.2x: ", ntohs(peers[i].assoc)); 418 printf("parsing stratum from peer %.2x: ", ntohs(peers[i].assoc));
392 } 419 }
393 value = np_extract_ntpvar(data, "stratum"); 420 value = np_extract_ntpvar(data, "stratum");
394 nptr=NULL; 421 nptr = NULL;
395 /* Convert the value if we have one */ 422 /* Convert the value if we have one */
396 if(value != NULL) 423 if (value != NULL)
397 *stratum = strtol(value, &nptr, 10); 424 *stratum = strtol(value, &nptr, 10);
398 if(value == NULL || value==nptr) { 425 if (value == NULL || value == nptr) {
399 if(verbose) printf("error: unable to read server stratum response.\n"); 426 if (verbose)
427 printf("error: unable to read server stratum response.\n");
400 *stratum = -1; 428 *stratum = -1;
401 } else { 429 } else {
402 if(verbose) printf("%i\n", *stratum); 430 if (verbose)
431 printf("%i\n", *stratum);
403 } 432 }
404 } 433 }
405 } /* if (PEER_SEL(peers[i].status) >= min_peer_sel) */ 434 } /* if (PEER_SEL(peers[i].status) >= min_peer_sel) */
406 } /* for (i = 0; i < npeers; i++) */ 435 } /* for (i = 0; i < npeers; i++) */
407 436
408 close(conn); 437 close(conn);
409 if(peers!=NULL) free(peers); 438 if (peers != NULL)
439 free(peers);
410 440
411 return status; 441 return status;
412} 442}
413 443
414int process_arguments(int argc, char **argv){ 444int process_arguments(int argc, char **argv) {
415 int c; 445 int c;
416 int option=0; 446 int option = 0;
417 static struct option longopts[] = { 447 static struct option longopts[] = {
418 {"version", no_argument, 0, 'V'}, 448 {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, {"verbose", no_argument, 0, 'v'},
419 {"help", no_argument, 0, 'h'}, 449 {"use-ipv4", no_argument, 0, '4'}, {"use-ipv6", no_argument, 0, '6'}, {"quiet", no_argument, 0, 'q'},
420 {"verbose", no_argument, 0, 'v'}, 450 {"warning", required_argument, 0, 'w'}, {"critical", required_argument, 0, 'c'}, {"swarn", required_argument, 0, 'W'},
421 {"use-ipv4", no_argument, 0, '4'}, 451 {"scrit", required_argument, 0, 'C'}, {"jwarn", required_argument, 0, 'j'}, {"jcrit", required_argument, 0, 'k'},
422 {"use-ipv6", no_argument, 0, '6'}, 452 {"twarn", required_argument, 0, 'm'}, {"tcrit", required_argument, 0, 'n'}, {"timeout", required_argument, 0, 't'},
423 {"quiet", no_argument, 0, 'q'}, 453 {"hostname", required_argument, 0, 'H'}, {"port", required_argument, 0, 'p'}, {0, 0, 0, 0}};
424 {"warning", required_argument, 0, 'w'},
425 {"critical", required_argument, 0, 'c'},
426 {"swarn", required_argument, 0, 'W'},
427 {"scrit", required_argument, 0, 'C'},
428 {"jwarn", required_argument, 0, 'j'},
429 {"jcrit", required_argument, 0, 'k'},
430 {"twarn", required_argument, 0, 'm'},
431 {"tcrit", required_argument, 0, 'n'},
432 {"timeout", required_argument, 0, 't'},
433 {"hostname", required_argument, 0, 'H'},
434 {"port", required_argument, 0, 'p'},
435 {0, 0, 0, 0}
436 };
437
438 454
439 if (argc < 2) 455 if (argc < 2)
440 usage ("\n"); 456 usage("\n");
441 457
442 while (true) { 458 while (true) {
443 c = getopt_long (argc, argv, "Vhv46qw:c:W:C:j:k:m:n:t:H:p:", longopts, &option); 459 c = getopt_long(argc, argv, "Vhv46qw:c:W:C:j:k:m:n:t:H:p:", longopts, &option);
444 if (c == -1 || c == EOF || c == 1) 460 if (c == -1 || c == EOF || c == 1)
445 break; 461 break;
446 462
@@ -490,15 +506,15 @@ int process_arguments(int argc, char **argv){
490 tcrit = optarg; 506 tcrit = optarg;
491 break; 507 break;
492 case 'H': 508 case 'H':
493 if(!is_host(optarg)) 509 if (!is_host(optarg))
494 usage2(_("Invalid hostname/address"), optarg); 510 usage2(_("Invalid hostname/address"), optarg);
495 server_address = strdup(optarg); 511 server_address = strdup(optarg);
496 break; 512 break;
497 case 'p': 513 case 'p':
498 port=atoi(optarg); 514 port = atoi(optarg);
499 break; 515 break;
500 case 't': 516 case 't':
501 socket_timeout=atoi(optarg); 517 socket_timeout = atoi(optarg);
502 break; 518 break;
503 case '4': 519 case '4':
504 address_family = AF_INET; 520 address_family = AF_INET;
@@ -507,69 +523,57 @@ int process_arguments(int argc, char **argv){
507#ifdef USE_IPV6 523#ifdef USE_IPV6
508 address_family = AF_INET6; 524 address_family = AF_INET6;
509#else 525#else
510 usage4 (_("IPv6 support not available")); 526 usage4(_("IPv6 support not available"));
511#endif 527#endif
512 break; 528 break;
513 case '?': 529 case '?':
514 /* print short usage statement if args not parsable */ 530 /* print short usage statement if args not parsable */
515 usage5 (); 531 usage5();
516 break; 532 break;
517 } 533 }
518 } 534 }
519 535
520 if(server_address == NULL){ 536 if (server_address == NULL) {
521 usage4(_("Hostname was not supplied")); 537 usage4(_("Hostname was not supplied"));
522 } 538 }
523 539
524 return 0; 540 return 0;
525} 541}
526 542
527char *perfd_offset (double offset) 543char *perfd_offset(double offset) {
528{ 544 return fperfdata("offset", offset, "s", true, offset_thresholds->warning->end, true, offset_thresholds->critical->end, false, 0, false,
529 return fperfdata ("offset", offset, "s", 545 0);
530 true, offset_thresholds->warning->end,
531 true, offset_thresholds->critical->end,
532 false, 0, false, 0);
533} 546}
534 547
535char *perfd_jitter (double jitter) 548char *perfd_jitter(double jitter) {
536{ 549 return fperfdata("jitter", jitter, "", do_jitter, jitter_thresholds->warning->end, do_jitter, jitter_thresholds->critical->end, true, 0,
537 return fperfdata ("jitter", jitter, "", 550 false, 0);
538 do_jitter, jitter_thresholds->warning->end,
539 do_jitter, jitter_thresholds->critical->end,
540 true, 0, false, 0);
541} 551}
542 552
543char *perfd_stratum (int stratum) 553char *perfd_stratum(int stratum) {
544{ 554 return perfdata("stratum", stratum, "", do_stratum, (int)stratum_thresholds->warning->end, do_stratum,
545 return perfdata ("stratum", stratum, "", 555 (int)stratum_thresholds->critical->end, true, 0, true, 16);
546 do_stratum, (int)stratum_thresholds->warning->end,
547 do_stratum, (int)stratum_thresholds->critical->end,
548 true, 0, true, 16);
549} 556}
550 557
551char *perfd_truechimers (int num_truechimers) 558char *perfd_truechimers(int num_truechimers) {
552{ 559 return perfdata("truechimers", num_truechimers, "", do_truechimers, (int)truechimer_thresholds->warning->end, do_truechimers,
553 return perfdata ("truechimers", num_truechimers, "", 560 (int)truechimer_thresholds->critical->end, true, 0, false, 0);
554 do_truechimers, (int)truechimer_thresholds->warning->end,
555 do_truechimers, (int)truechimer_thresholds->critical->end,
556 true, 0, false, 0);
557} 561}
558 562
559int main(int argc, char *argv[]){ 563int main(int argc, char *argv[]) {
560 int result, offset_result, stratum, num_truechimers; 564 int result, offset_result, stratum, num_truechimers;
561 double offset=0, jitter=0; 565 double offset = 0, jitter = 0;
562 char *result_line, *perfdata_line; 566 char *result_line, *perfdata_line;
563 567
564 setlocale (LC_ALL, ""); 568 setlocale(LC_ALL, "");
565 bindtextdomain (PACKAGE, LOCALEDIR); 569 bindtextdomain(PACKAGE, LOCALEDIR);
566 textdomain (PACKAGE); 570 textdomain(PACKAGE);
567 571
568 /* Parse extra opts if any */ 572 /* Parse extra opts if any */
569 argv=np_extra_opts (&argc, argv, progname); 573 argv = np_extra_opts(&argc, argv, progname);
570 574
571 if (process_arguments (argc, argv) == ERROR) 575 if (process_arguments(argc, argv) == ERROR)
572 usage4 (_("Could not parse arguments")); 576 usage4(_("Could not parse arguments"));
573 577
574 set_thresholds(&offset_thresholds, owarn, ocrit); 578 set_thresholds(&offset_thresholds, owarn, ocrit);
575 set_thresholds(&jitter_thresholds, jwarn, jcrit); 579 set_thresholds(&jitter_thresholds, jwarn, jcrit);
@@ -577,15 +581,15 @@ int main(int argc, char *argv[]){
577 set_thresholds(&truechimer_thresholds, twarn, tcrit); 581 set_thresholds(&truechimer_thresholds, twarn, tcrit);
578 582
579 /* initialize alarm signal handling */ 583 /* initialize alarm signal handling */
580 signal (SIGALRM, socket_timeout_alarm_handler); 584 signal(SIGALRM, socket_timeout_alarm_handler);
581 585
582 /* set socket timeout */ 586 /* set socket timeout */
583 alarm (socket_timeout); 587 alarm(socket_timeout);
584 588
585 /* This returns either OK or WARNING (See comment preceding ntp_request) */ 589 /* This returns either OK or WARNING (See comment preceding ntp_request) */
586 result = ntp_request(&offset, &offset_result, &jitter, &stratum, &num_truechimers); 590 result = ntp_request(&offset, &offset_result, &jitter, &stratum, &num_truechimers);
587 591
588 if(offset_result == STATE_UNKNOWN) { 592 if (offset_result == STATE_UNKNOWN) {
589 /* if there's no sync peer (this overrides ntp_request output): */ 593 /* if there's no sync peer (this overrides ntp_request output): */
590 result = (quiet ? STATE_UNKNOWN : STATE_CRITICAL); 594 result = (quiet ? STATE_UNKNOWN : STATE_CRITICAL);
591 } else { 595 } else {
@@ -597,50 +601,47 @@ int main(int argc, char *argv[]){
597 601
598 int oresult = result; 602 int oresult = result;
599 603
600
601 int tresult = STATE_UNKNOWN; 604 int tresult = STATE_UNKNOWN;
602 605
603 if(do_truechimers) { 606 if (do_truechimers) {
604 tresult = get_status(num_truechimers, truechimer_thresholds); 607 tresult = get_status(num_truechimers, truechimer_thresholds);
605 result = max_state_alt(result, tresult); 608 result = max_state_alt(result, tresult);
606 } 609 }
607 610
608
609 int sresult = STATE_UNKNOWN; 611 int sresult = STATE_UNKNOWN;
610 612
611 if(do_stratum) { 613 if (do_stratum) {
612 sresult = get_status(stratum, stratum_thresholds); 614 sresult = get_status(stratum, stratum_thresholds);
613 result = max_state_alt(result, sresult); 615 result = max_state_alt(result, sresult);
614 } 616 }
615 617
616
617 int jresult = STATE_UNKNOWN; 618 int jresult = STATE_UNKNOWN;
618 619
619 if(do_jitter) { 620 if (do_jitter) {
620 jresult = get_status(jitter, jitter_thresholds); 621 jresult = get_status(jitter, jitter_thresholds);
621 result = max_state_alt(result, jresult); 622 result = max_state_alt(result, jresult);
622 } 623 }
623 624
624 switch (result) { 625 switch (result) {
625 case STATE_CRITICAL : 626 case STATE_CRITICAL:
626 xasprintf(&result_line, _("NTP CRITICAL:")); 627 xasprintf(&result_line, _("NTP CRITICAL:"));
627 break; 628 break;
628 case STATE_WARNING : 629 case STATE_WARNING:
629 xasprintf(&result_line, _("NTP WARNING:")); 630 xasprintf(&result_line, _("NTP WARNING:"));
630 break; 631 break;
631 case STATE_OK : 632 case STATE_OK:
632 xasprintf(&result_line, _("NTP OK:")); 633 xasprintf(&result_line, _("NTP OK:"));
633 break; 634 break;
634 default : 635 default:
635 xasprintf(&result_line, _("NTP UNKNOWN:")); 636 xasprintf(&result_line, _("NTP UNKNOWN:"));
636 break; 637 break;
637 } 638 }
638 if(!syncsource_found) 639 if (!syncsource_found)
639 xasprintf(&result_line, "%s %s,", result_line, _("Server not synchronized")); 640 xasprintf(&result_line, "%s %s,", result_line, _("Server not synchronized"));
640 else if(li_alarm) 641 else if (li_alarm)
641 xasprintf(&result_line, "%s %s,", result_line, _("Server has the LI_ALARM bit set")); 642 xasprintf(&result_line, "%s %s,", result_line, _("Server has the LI_ALARM bit set"));
642 643
643 if(offset_result == STATE_UNKNOWN){ 644 if (offset_result == STATE_UNKNOWN) {
644 xasprintf(&result_line, "%s %s", result_line, _("Offset unknown")); 645 xasprintf(&result_line, "%s %s", result_line, _("Offset unknown"));
645 xasprintf(&perfdata_line, ""); 646 xasprintf(&perfdata_line, "");
646 } else if (oresult == STATE_WARNING) { 647 } else if (oresult == STATE_WARNING) {
@@ -649,9 +650,9 @@ int main(int argc, char *argv[]){
649 xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"), offset); 650 xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"), offset);
650 } else { 651 } else {
651 xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), offset); 652 xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), offset);
652 } 653 }
653 xasprintf(&perfdata_line, "%s", perfd_offset(offset)); 654 xasprintf(&perfdata_line, "%s", perfd_offset(offset));
654 655
655 if (do_jitter) { 656 if (do_jitter) {
656 if (jresult == STATE_WARNING) { 657 if (jresult == STATE_WARNING) {
657 xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, jitter); 658 xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, jitter);
@@ -684,45 +685,46 @@ int main(int argc, char *argv[]){
684 } 685 }
685 printf("%s|%s\n", result_line, perfdata_line); 686 printf("%s|%s\n", result_line, perfdata_line);
686 687
687 if(server_address!=NULL) free(server_address); 688 if (server_address != NULL)
689 free(server_address);
688 return result; 690 return result;
689} 691}
690 692
691void print_help(void){ 693void print_help(void) {
692 print_revision(progname, NP_VERSION); 694 print_revision(progname, NP_VERSION);
693 695
694 printf ("Copyright (c) 2006 Sean Finney\n"); 696 printf("Copyright (c) 2006 Sean Finney\n");
695 printf (COPYRIGHT, copyright, email); 697 printf(COPYRIGHT, copyright, email);
696 698
697 printf ("%s\n", _("This plugin checks the selected ntp server")); 699 printf("%s\n", _("This plugin checks the selected ntp server"));
698 700
699 printf ("\n\n"); 701 printf("\n\n");
700 702
701 print_usage(); 703 print_usage();
702 printf (UT_HELP_VRSN); 704 printf(UT_HELP_VRSN);
703 printf (UT_EXTRA_OPTS); 705 printf(UT_EXTRA_OPTS);
704 printf (UT_IPv46); 706 printf(UT_IPv46);
705 printf (UT_HOST_PORT, 'p', "123"); 707 printf(UT_HOST_PORT, 'p', "123");
706 printf (" %s\n", "-q, --quiet"); 708 printf(" %s\n", "-q, --quiet");
707 printf (" %s\n", _("Returns UNKNOWN instead of CRITICAL or WARNING if server isn't synchronized")); 709 printf(" %s\n", _("Returns UNKNOWN instead of CRITICAL or WARNING if server isn't synchronized"));
708 printf (" %s\n", "-w, --warning=THRESHOLD"); 710 printf(" %s\n", "-w, --warning=THRESHOLD");
709 printf (" %s\n", _("Offset to result in warning status (seconds)")); 711 printf(" %s\n", _("Offset to result in warning status (seconds)"));
710 printf (" %s\n", "-c, --critical=THRESHOLD"); 712 printf(" %s\n", "-c, --critical=THRESHOLD");
711 printf (" %s\n", _("Offset to result in critical status (seconds)")); 713 printf(" %s\n", _("Offset to result in critical status (seconds)"));
712 printf (" %s\n", "-W, --swarn=THRESHOLD"); 714 printf(" %s\n", "-W, --swarn=THRESHOLD");
713 printf (" %s\n", _("Warning threshold for stratum of server's synchronization peer")); 715 printf(" %s\n", _("Warning threshold for stratum of server's synchronization peer"));
714 printf (" %s\n", "-C, --scrit=THRESHOLD"); 716 printf(" %s\n", "-C, --scrit=THRESHOLD");
715 printf (" %s\n", _("Critical threshold for stratum of server's synchronization peer")); 717 printf(" %s\n", _("Critical threshold for stratum of server's synchronization peer"));
716 printf (" %s\n", "-j, --jwarn=THRESHOLD"); 718 printf(" %s\n", "-j, --jwarn=THRESHOLD");
717 printf (" %s\n", _("Warning threshold for jitter")); 719 printf(" %s\n", _("Warning threshold for jitter"));
718 printf (" %s\n", "-k, --jcrit=THRESHOLD"); 720 printf(" %s\n", "-k, --jcrit=THRESHOLD");
719 printf (" %s\n", _("Critical threshold for jitter")); 721 printf(" %s\n", _("Critical threshold for jitter"));
720 printf (" %s\n", "-m, --twarn=THRESHOLD"); 722 printf(" %s\n", "-m, --twarn=THRESHOLD");
721 printf (" %s\n", _("Warning threshold for number of usable time sources (\"truechimers\")")); 723 printf(" %s\n", _("Warning threshold for number of usable time sources (\"truechimers\")"));
722 printf (" %s\n", "-n, --tcrit=THRESHOLD"); 724 printf(" %s\n", "-n, --tcrit=THRESHOLD");
723 printf (" %s\n", _("Critical threshold for number of usable time sources (\"truechimers\")")); 725 printf(" %s\n", _("Critical threshold for number of usable time sources (\"truechimers\")"));
724 printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); 726 printf(UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
725 printf (UT_VERBOSE); 727 printf(UT_VERBOSE);
726 728
727 printf("\n"); 729 printf("\n");
728 printf("%s\n", _("This plugin checks an NTP server independent of any commandline")); 730 printf("%s\n", _("This plugin checks an NTP server independent of any commandline"));
@@ -751,13 +753,11 @@ void print_help(void){
751 printf(" %s\n", _("Check only stratum:")); 753 printf(" %s\n", _("Check only stratum:"));
752 printf(" %s\n", ("./check_ntp_peer -H ntpserv -W 4 -C 6")); 754 printf(" %s\n", ("./check_ntp_peer -H ntpserv -W 4 -C 6"));
753 755
754 printf (UT_SUPPORT); 756 printf(UT_SUPPORT);
755} 757}
756 758
757void 759void print_usage(void) {
758print_usage(void) 760 printf("%s\n", _("Usage:"));
759{
760 printf ("%s\n", _("Usage:"));
761 printf(" %s -H <host> [-4|-6] [-w <warn>] [-c <crit>] [-W <warn>] [-C <crit>]\n", progname); 761 printf(" %s -H <host> [-4|-6] [-w <warn>] [-c <crit>] [-W <warn>] [-C <crit>]\n", progname);
762 printf(" [-j <warn>] [-k <crit>] [-v verbose]\n"); 762 printf(" [-j <warn>] [-k <crit>] [-v verbose]\n");
763} 763}