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-rw-r--r--plugins/check_ntp_peer.c845
1 files changed, 446 insertions, 399 deletions
diff --git a/plugins/check_ntp_peer.c b/plugins/check_ntp_peer.c
index 464a9e10..6e76bf23 100644
--- a/plugins/check_ntp_peer.c
+++ b/plugins/check_ntp_peer.c
@@ -1,88 +1,77 @@
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) 2006-2024 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
38#include "thresholds.h"
38const char *progname = "check_ntp_peer"; 39const char *progname = "check_ntp_peer";
39const char *copyright = "2006-2008"; 40const char *copyright = "2006-2024";
40const char *email = "devel@monitoring-plugins.org"; 41const char *email = "devel@monitoring-plugins.org";
41 42
42#include "common.h" 43#include "common.h"
43#include "netutils.h" 44#include "netutils.h"
44#include "utils.h" 45#include "utils.h"
46#include "../lib/states.h"
47#include "check_ntp_peer.d/config.h"
45 48
46static char *server_address=NULL; 49static int verbose = 0;
47static int port=123;
48static int verbose=0;
49static bool quiet = false;
50static char *owarn="60";
51static char *ocrit="120";
52static bool do_stratum = false;
53static char *swarn="-1:16";
54static char *scrit="-1:16";
55static bool do_jitter = false;
56static char *jwarn="-1:5000";
57static char *jcrit="-1:10000";
58static bool do_truechimers = false;
59static char *twarn="0:";
60static char *tcrit="0:";
61static bool syncsource_found = false; 50static bool syncsource_found = false;
62static bool li_alarm = false; 51static bool li_alarm = false;
63 52
64int process_arguments (int, char **); 53typedef struct {
65thresholds *offset_thresholds = NULL; 54 int errorcode;
66thresholds *jitter_thresholds = NULL; 55 check_ntp_peer_config config;
67thresholds *stratum_thresholds = NULL; 56} check_ntp_peer_config_wrapper;
68thresholds *truechimer_thresholds = NULL; 57static check_ntp_peer_config_wrapper process_arguments(int /*argc*/, char ** /*argv*/);
69void print_help (void); 58static void print_help(void);
70void print_usage (void); 59void print_usage(void);
71 60
72/* max size of control message data */ 61/* max size of control message data */
73#define MAX_CM_SIZE 468 62#define MAX_CM_SIZE 468
74 63
75/* this structure holds everything in an ntp control message as per rfc1305 */ 64/* this structure holds everything in an ntp control message as per rfc1305 */
76typedef struct { 65typedef struct {
77 uint8_t flags; /* byte with leapindicator,vers,mode. see macros */ 66 uint8_t flags; /* byte with leapindicator,vers,mode. see macros */
78 uint8_t op; /* R,E,M bits and Opcode */ 67 uint8_t op; /* R,E,M bits and Opcode */
79 uint16_t seq; /* Packet sequence */ 68 uint16_t seq; /* Packet sequence */
80 uint16_t status; /* Clock status */ 69 uint16_t status; /* Clock status */
81 uint16_t assoc; /* Association */ 70 uint16_t assoc; /* Association */
82 uint16_t offset; /* Similar to TCP sequence # */ 71 uint16_t offset; /* Similar to TCP sequence # */
83 uint16_t count; /* # bytes of data */ 72 uint16_t count; /* # bytes of data */
84 char data[MAX_CM_SIZE]; /* ASCII data of the request */ 73 char data[MAX_CM_SIZE]; /* ASCII data of the request */
85 /* NB: not necessarily NULL terminated! */ 74 /* NB: not necessarily NULL terminated! */
86} ntp_control_message; 75} ntp_control_message;
87 76
88/* this is an association/status-word pair found in control packet responses */ 77/* this is an association/status-word pair found in control packet responses */
@@ -93,82 +82,96 @@ typedef struct {
93 82
94/* bits 1,2 are the leap indicator */ 83/* bits 1,2 are the leap indicator */
95#define LI_MASK 0xc0 84#define LI_MASK 0xc0
96#define LI(x) ((x&LI_MASK)>>6) 85#define LI(x) ((x & LI_MASK) >> 6)
97#define LI_SET(x,y) do{ x |= ((y<<6)&LI_MASK); }while(0) 86#define LI_SET(x, y) \
87 do { \
88 x |= ((y << 6) & LI_MASK); \
89 } while (0)
98/* and these are the values of the leap indicator */ 90/* and these are the values of the leap indicator */
99#define LI_NOWARNING 0x00 91#define LI_NOWARNING 0x00
100#define LI_EXTRASEC 0x01 92#define LI_EXTRASEC 0x01
101#define LI_MISSINGSEC 0x02 93#define LI_MISSINGSEC 0x02
102#define LI_ALARM 0x03 94#define LI_ALARM 0x03
103/* bits 3,4,5 are the ntp version */ 95/* bits 3,4,5 are the ntp version */
104#define VN_MASK 0x38 96#define VN_MASK 0x38
105#define VN(x) ((x&VN_MASK)>>3) 97#define VN(x) ((x & VN_MASK) >> 3)
106#define VN_SET(x,y) do{ x |= ((y<<3)&VN_MASK); }while(0) 98#define VN_SET(x, y) \
99 do { \
100 x |= ((y << 3) & VN_MASK); \
101 } while (0)
107#define VN_RESERVED 0x02 102#define VN_RESERVED 0x02
108/* bits 6,7,8 are the ntp mode */ 103/* bits 6,7,8 are the ntp mode */
109#define MODE_MASK 0x07 104#define MODE_MASK 0x07
110#define MODE(x) (x&MODE_MASK) 105#define MODE(x) (x & MODE_MASK)
111#define MODE_SET(x,y) do{ x |= (y&MODE_MASK); }while(0) 106#define MODE_SET(x, y) \
107 do { \
108 x |= (y & MODE_MASK); \
109 } while (0)
112/* here are some values */ 110/* here are some values */
113#define MODE_CLIENT 0x03 111#define MODE_CLIENT 0x03
114#define MODE_CONTROLMSG 0x06 112#define MODE_CONTROLMSG 0x06
115/* In control message, bits 8-10 are R,E,M bits */ 113/* In control message, bits 8-10 are R,E,M bits */
116#define REM_MASK 0xe0 114#define REM_MASK 0xe0
117#define REM_RESP 0x80 115#define REM_RESP 0x80
118#define REM_ERROR 0x40 116#define REM_ERROR 0x40
119#define REM_MORE 0x20 117#define REM_MORE 0x20
120/* In control message, bits 11 - 15 are opcode */ 118/* In control message, bits 11 - 15 are opcode */
121#define OP_MASK 0x1f 119#define OP_MASK 0x1f
122#define OP_SET(x,y) do{ x |= (y&OP_MASK); }while(0) 120#define OP_SET(x, y) \
121 do { \
122 x |= (y & OP_MASK); \
123 } while (0)
123#define OP_READSTAT 0x01 124#define OP_READSTAT 0x01
124#define OP_READVAR 0x02 125#define OP_READVAR 0x02
125/* In peer status bytes, bits 6,7,8 determine clock selection status */ 126/* In peer status bytes, bits 6,7,8 determine clock selection status */
126#define PEER_SEL(x) ((ntohs(x)>>8)&0x07) 127#define PEER_SEL(x) ((ntohs(x) >> 8) & 0x07)
127#define PEER_TRUECHIMER 0x02 128#define PEER_TRUECHIMER 0x02
128#define PEER_INCLUDED 0x04 129#define PEER_INCLUDED 0x04
129#define PEER_SYNCSOURCE 0x06 130#define PEER_SYNCSOURCE 0x06
130 131
131/* NTP control message header is 12 bytes, plus any data in the data 132/* 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. 133 * field, plus null padding to the nearest 32-bit boundary per rfc.
133 */ 134 */
134#define SIZEOF_NTPCM(m) (12+ntohs(m.count)+((ntohs(m.count)%4)?4-(ntohs(m.count)%4):0)) 135#define SIZEOF_NTPCM(m) (12 + ntohs(m.count) + ((ntohs(m.count) % 4) ? 4 - (ntohs(m.count) % 4) : 0))
135 136
136/* finally, a little helper or two for debugging: */ 137/* finally, a little helper or two for debugging: */
137#define DBG(x) do{if(verbose>1){ x; }}while(0); 138#define DBG(x) \
138#define PRINTSOCKADDR(x) \ 139 do { \
139 do{ \ 140 if (verbose > 1) { \
140 printf("%u.%u.%u.%u", (x>>24)&0xff, (x>>16)&0xff, (x>>8)&0xff, x&0xff);\ 141 x; \
141 }while(0); 142 } \
142 143 } while (0);
143void print_ntp_control_message(const ntp_control_message *p){ 144#define PRINTSOCKADDR(x) \
144 int i=0, numpeers=0; 145 do { \
145 const ntp_assoc_status_pair *peer=NULL; 146 printf("%u.%u.%u.%u", (x >> 24) & 0xff, (x >> 16) & 0xff, (x >> 8) & 0xff, x & 0xff); \
146 147 } while (0);
148
149void print_ntp_control_message(const ntp_control_message *message) {
147 printf("control packet contents:\n"); 150 printf("control packet contents:\n");
148 printf("\tflags: 0x%.2x , 0x%.2x\n", p->flags, p->op); 151 printf("\tflags: 0x%.2x , 0x%.2x\n", message->flags, message->op);
149 printf("\t li=%d (0x%.2x)\n", LI(p->flags), p->flags&LI_MASK); 152 printf("\t li=%d (0x%.2x)\n", LI(message->flags), message->flags & LI_MASK);
150 printf("\t vn=%d (0x%.2x)\n", VN(p->flags), p->flags&VN_MASK); 153 printf("\t vn=%d (0x%.2x)\n", VN(message->flags), message->flags & VN_MASK);
151 printf("\t mode=%d (0x%.2x)\n", MODE(p->flags), p->flags&MODE_MASK); 154 printf("\t mode=%d (0x%.2x)\n", MODE(message->flags), message->flags & MODE_MASK);
152 printf("\t response=%d (0x%.2x)\n", (p->op&REM_RESP)>0, p->op&REM_RESP); 155 printf("\t response=%d (0x%.2x)\n", (message->op & REM_RESP) > 0, message->op & REM_RESP);
153 printf("\t more=%d (0x%.2x)\n", (p->op&REM_MORE)>0, p->op&REM_MORE); 156 printf("\t more=%d (0x%.2x)\n", (message->op & REM_MORE) > 0, message->op & REM_MORE);
154 printf("\t error=%d (0x%.2x)\n", (p->op&REM_ERROR)>0, p->op&REM_ERROR); 157 printf("\t error=%d (0x%.2x)\n", (message->op & REM_ERROR) > 0, message->op & REM_ERROR);
155 printf("\t op=%d (0x%.2x)\n", p->op&OP_MASK, p->op&OP_MASK); 158 printf("\t op=%d (0x%.2x)\n", message->op & OP_MASK, message->op & OP_MASK);
156 printf("\tsequence: %d (0x%.2x)\n", ntohs(p->seq), ntohs(p->seq)); 159 printf("\tsequence: %d (0x%.2x)\n", ntohs(message->seq), ntohs(message->seq));
157 printf("\tstatus: %d (0x%.2x)\n", ntohs(p->status), ntohs(p->status)); 160 printf("\tstatus: %d (0x%.2x)\n", ntohs(message->status), ntohs(message->status));
158 printf("\tassoc: %d (0x%.2x)\n", ntohs(p->assoc), ntohs(p->assoc)); 161 printf("\tassoc: %d (0x%.2x)\n", ntohs(message->assoc), ntohs(message->assoc));
159 printf("\toffset: %d (0x%.2x)\n", ntohs(p->offset), ntohs(p->offset)); 162 printf("\toffset: %d (0x%.2x)\n", ntohs(message->offset), ntohs(message->offset));
160 printf("\tcount: %d (0x%.2x)\n", ntohs(p->count), ntohs(p->count)); 163 printf("\tcount: %d (0x%.2x)\n", ntohs(message->count), ntohs(message->count));
161 numpeers=ntohs(p->count)/(sizeof(ntp_assoc_status_pair)); 164
162 if(p->op&REM_RESP && p->op&OP_READSTAT){ 165 int numpeers = ntohs(message->count) / (sizeof(ntp_assoc_status_pair));
163 peer=(ntp_assoc_status_pair*)p->data; 166 if (message->op & REM_RESP && message->op & OP_READSTAT) {
164 for(i=0;i<numpeers;i++){ 167 const ntp_assoc_status_pair *peer = (ntp_assoc_status_pair *)message->data;
165 printf("\tpeer id %.2x status %.2x", 168 for (int i = 0; i < numpeers; i++) {
166 ntohs(peer[i].assoc), ntohs(peer[i].status)); 169 printf("\tpeer id %.2x status %.2x", ntohs(peer[i].assoc), ntohs(peer[i].status));
167 if(PEER_SEL(peer[i].status) >= PEER_SYNCSOURCE){ 170 if (PEER_SEL(peer[i].status) >= PEER_SYNCSOURCE) {
168 printf(" <-- current sync source"); 171 printf(" <-- current sync source");
169 } else if(PEER_SEL(peer[i].status) >= PEER_INCLUDED){ 172 } else if (PEER_SEL(peer[i].status) >= PEER_INCLUDED) {
170 printf(" <-- current sync candidate"); 173 printf(" <-- current sync candidate");
171 } else if(PEER_SEL(peer[i].status) >= PEER_TRUECHIMER){ 174 } else if (PEER_SEL(peer[i].status) >= PEER_TRUECHIMER) {
172 printf(" <-- outlyer, but truechimer"); 175 printf(" <-- outlyer, but truechimer");
173 } 176 }
174 printf("\n"); 177 printf("\n");
@@ -176,14 +179,13 @@ void print_ntp_control_message(const ntp_control_message *p){
176 } 179 }
177} 180}
178 181
179void 182void setup_control_request(ntp_control_message *message, uint8_t opcode, uint16_t seq) {
180setup_control_request(ntp_control_message *p, uint8_t opcode, uint16_t seq){ 183 memset(message, 0, sizeof(ntp_control_message));
181 memset(p, 0, sizeof(ntp_control_message)); 184 LI_SET(message->flags, LI_NOWARNING);
182 LI_SET(p->flags, LI_NOWARNING); 185 VN_SET(message->flags, VN_RESERVED);
183 VN_SET(p->flags, VN_RESERVED); 186 MODE_SET(message->flags, MODE_CONTROLMSG);
184 MODE_SET(p->flags, MODE_CONTROLMSG); 187 OP_SET(message->op, opcode);
185 OP_SET(p->op, opcode); 188 message->seq = htons(seq);
186 p->seq = htons(seq);
187 /* Remaining fields are zero for requests */ 189 /* Remaining fields are zero for requests */
188} 190}
189 191
@@ -198,22 +200,23 @@ 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 200 * 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 201 * used later in main to check is the server was synchronized. It works
200 * so I left it alone */ 202 * so I left it alone */
201int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum, int *num_truechimers){ 203typedef struct {
202 int conn=-1, i, npeers=0, num_candidates=0; 204 mp_state_enum state;
203 double tmp_offset = 0; 205 mp_state_enum offset_result;
204 int min_peer_sel=PEER_INCLUDED; 206 double offset;
205 int peers_size=0, peer_offset=0; 207 double jitter;
206 int status; 208 long stratum;
207 ntp_assoc_status_pair *peers=NULL; 209 int num_truechimers;
208 ntp_control_message req; 210} ntp_request_result;
209 const char *getvar = "stratum,offset,jitter"; 211ntp_request_result ntp_request(const check_ntp_peer_config config) {
210 char *data, *value, *nptr; 212
211 void *tmp; 213 ntp_request_result result = {
212 214 .state = STATE_OK,
213 status = STATE_OK; 215 .offset_result = STATE_UNKNOWN,
214 *offset_result = STATE_UNKNOWN; 216 .jitter = -1,
215 *jitter = *stratum = -1; 217 .stratum = -1,
216 *num_truechimers = 0; 218 .num_truechimers = 0,
219 };
217 220
218 /* Long-winded explanation: 221 /* Long-winded explanation:
219 * Getting the sync peer offset, jitter and stratum requires a number of 222 * Getting the sync peer offset, jitter and stratum requires a number of
@@ -231,11 +234,20 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
231 * 4) Extract the offset, jitter and stratum value from the data[] 234 * 4) Extract the offset, jitter and stratum value from the data[]
232 * (it's ASCII) 235 * (it's ASCII)
233 */ 236 */
234 my_udp_connect(server_address, port, &conn); 237 int min_peer_sel = PEER_INCLUDED;
238 int num_candidates = 0;
239 void *tmp;
240 ntp_assoc_status_pair *peers = NULL;
241 int peer_offset = 0;
242 size_t peers_size = 0;
243 size_t npeers = 0;
244 int conn = -1;
245 my_udp_connect(config.server_address, config.port, &conn);
235 246
236 /* keep sending requests until the server stops setting the 247 /* keep sending requests until the server stops setting the
237 * REM_MORE bit, though usually this is only 1 packet. */ 248 * REM_MORE bit, though usually this is only 1 packet. */
238 do{ 249 ntp_control_message req;
250 do {
239 setup_control_request(&req, OP_READSTAT, 1); 251 setup_control_request(&req, OP_READSTAT, 1);
240 DBG(printf("sending READSTAT request")); 252 DBG(printf("sending READSTAT request"));
241 write(conn, &req, SIZEOF_NTPCM(req)); 253 write(conn, &req, SIZEOF_NTPCM(req));
@@ -243,63 +255,81 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
243 255
244 do { 256 do {
245 /* Attempt to read the largest size packet possible */ 257 /* Attempt to read the largest size packet possible */
246 req.count=htons(MAX_CM_SIZE); 258 req.count = htons(MAX_CM_SIZE);
247 DBG(printf("receiving READSTAT response")) 259 DBG(printf("receiving READSTAT response"))
248 if(read(conn, &req, SIZEOF_NTPCM(req)) == -1) 260 if (read(conn, &req, SIZEOF_NTPCM(req)) == -1) {
249 die(STATE_CRITICAL, "NTP CRITICAL: No response from NTP server\n"); 261 die(STATE_CRITICAL, "NTP CRITICAL: No response from NTP server\n");
262 }
250 DBG(print_ntp_control_message(&req)); 263 DBG(print_ntp_control_message(&req));
251 /* discard obviously invalid packets */ 264 /* discard obviously invalid packets */
252 if (ntohs(req.count) > MAX_CM_SIZE) 265 if (ntohs(req.count) > MAX_CM_SIZE) {
253 die(STATE_CRITICAL, "NTP CRITICAL: Invalid packet received from NTP server\n"); 266 die(STATE_CRITICAL, "NTP CRITICAL: Invalid packet received from NTP server\n");
254 } while (!(req.op&OP_READSTAT && ntohs(req.seq) == 1)); 267 }
268 } while (!(req.op & OP_READSTAT && ntohs(req.seq) == 1));
255 269
256 if (LI(req.flags) == LI_ALARM) li_alarm = true; 270 if (LI(req.flags) == LI_ALARM) {
271 li_alarm = true;
272 }
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 }
264 memcpy((void*)((ptrdiff_t)peers+peer_offset), (void*)req.data, ntohs(req.count)); 280 peers = tmp;
265 npeers=peers_size/sizeof(ntp_assoc_status_pair); 281 memcpy((peers + peer_offset), (void *)req.data, ntohs(req.count));
266 peer_offset+=ntohs(req.count); 282 npeers = peers_size / sizeof(ntp_assoc_status_pair);
267 } while(req.op&REM_MORE); 283 peer_offset += ntohs(req.count);
284 } while (req.op & REM_MORE);
268 285
269 /* first, let's find out if we have a sync source, or if there are 286 /* 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 287 * at least some candidates. In the latter case we'll issue
271 * a warning but go ahead with the check on them. */ 288 * a warning but go ahead with the check on them. */
272 for (i = 0; i < npeers; i++){ 289 for (size_t i = 0; i < npeers; i++) {
273 if(PEER_SEL(peers[i].status) >= PEER_TRUECHIMER){ 290 if (PEER_SEL(peers[i].status) >= PEER_TRUECHIMER) {
274 (*num_truechimers)++; 291 result.num_truechimers++;
275 if(PEER_SEL(peers[i].status) >= PEER_INCLUDED){ 292 if (PEER_SEL(peers[i].status) >= PEER_INCLUDED) {
276 num_candidates++; 293 num_candidates++;
277 if(PEER_SEL(peers[i].status) >= PEER_SYNCSOURCE){ 294 if (PEER_SEL(peers[i].status) >= PEER_SYNCSOURCE) {
278 syncsource_found = true; 295 syncsource_found = true;
279 min_peer_sel=PEER_SYNCSOURCE; 296 min_peer_sel = PEER_SYNCSOURCE;
280 } 297 }
281 } 298 }
282 } 299 }
283 } 300 }
284 if(verbose) printf("%d candidate peers available\n", num_candidates); 301
285 if(verbose && syncsource_found) printf("synchronization source found\n"); 302 if (verbose) {
286 if(! syncsource_found){ 303 printf("%d candidate peers available\n", num_candidates);
287 status = STATE_WARNING;
288 if(verbose) printf("warning: no synchronization source found\n");
289 } 304 }
290 if(li_alarm){ 305 if (verbose && syncsource_found) {
291 status = STATE_WARNING; 306 printf("synchronization source found\n");
292 if(verbose) printf("warning: LI_ALARM bit is set\n");
293 } 307 }
294 308
309 if (!syncsource_found) {
310 result.state = STATE_WARNING;
311 if (verbose) {
312 printf("warning: no synchronization source found\n");
313 }
314 }
315 if (li_alarm) {
316 result.state = STATE_WARNING;
317 if (verbose) {
318 printf("warning: LI_ALARM bit is set\n");
319 }
320 }
295 321
296 for (i = 0; i < npeers; i++){ 322 const char *getvar = "stratum,offset,jitter";
323 char *data;
324 for (size_t i = 0; i < npeers; i++) {
297 /* Only query this server if it is the current sync source */ 325 /* 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 */ 326 /* If there's no sync.peer, query all candidates and use the best one */
299 if (PEER_SEL(peers[i].status) >= min_peer_sel){ 327 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)); 328 if (verbose) {
329 printf("Getting offset, jitter and stratum for peer %.2x\n", ntohs(peers[i].assoc));
330 }
301 xasprintf(&data, ""); 331 xasprintf(&data, "");
302 do{ 332 do {
303 setup_control_request(&req, OP_READVAR, 2); 333 setup_control_request(&req, OP_READVAR, 2);
304 req.assoc = peers[i].assoc; 334 req.assoc = peers[i].assoc;
305 /* Putting the wanted variable names in the request 335 /* Putting the wanted variable names in the request
@@ -309,7 +339,7 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
309 */ 339 */
310 /* Older servers doesn't know what jitter is, so if we get an 340 /* Older servers doesn't know what jitter is, so if we get an
311 * error on the first pass we redo it with "dispersion" */ 341 * error on the first pass we redo it with "dispersion" */
312 strncpy(req.data, getvar, MAX_CM_SIZE-1); 342 strncpy(req.data, getvar, MAX_CM_SIZE - 1);
313 req.count = htons(strlen(getvar)); 343 req.count = htons(strlen(getvar));
314 DBG(printf("sending READVAR request...\n")); 344 DBG(printf("sending READVAR request...\n"));
315 write(conn, &req, SIZEOF_NTPCM(req)); 345 write(conn, &req, SIZEOF_NTPCM(req));
@@ -320,131 +350,151 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
320 DBG(printf("receiving READVAR response...\n")); 350 DBG(printf("receiving READVAR response...\n"));
321 read(conn, &req, SIZEOF_NTPCM(req)); 351 read(conn, &req, SIZEOF_NTPCM(req));
322 DBG(print_ntp_control_message(&req)); 352 DBG(print_ntp_control_message(&req));
323 } while (!(req.op&OP_READVAR && ntohs(req.seq) == 2)); 353 } while (!(req.op & OP_READVAR && ntohs(req.seq) == 2));
324 354
325 if(!(req.op&REM_ERROR)) 355 if (!(req.op & REM_ERROR)) {
326 xasprintf(&data, "%s%s", data, req.data); 356 xasprintf(&data, "%s%s", data, req.data);
327 } while(req.op&REM_MORE); 357 }
328 358 } while (req.op & REM_MORE);
329 if(req.op&REM_ERROR) { 359
330 if(strstr(getvar, "jitter")) { 360 if (req.op & REM_ERROR) {
331 if(verbose) printf("The command failed. This is usually caused by servers refusing the 'jitter'\nvariable. Restarting with 'dispersion'...\n"); 361 if (strstr(getvar, "jitter")) {
362 if (verbose) {
363 printf("The command failed. This is usually caused by servers refusing the 'jitter'\nvariable. Restarting with "
364 "'dispersion'...\n");
365 }
332 getvar = "stratum,offset,dispersion"; 366 getvar = "stratum,offset,dispersion";
333 i--; 367 i--;
334 continue; 368 continue;
335 } else if(strlen(getvar)) { 369 }
336 if(verbose) printf("Server didn't like dispersion either; will retrieve everything\n"); 370 if (strlen(getvar)) {
371 if (verbose) {
372 printf("Server didn't like dispersion either; will retrieve everything\n");
373 }
337 getvar = ""; 374 getvar = "";
338 i--; 375 i--;
339 continue; 376 continue;
340 } 377 }
341 } 378 }
342 379
343 if(verbose > 1) 380 if (verbose > 1) {
344 printf("Server responded: >>>%s<<<\n", data); 381 printf("Server responded: >>>%s<<<\n", data);
382 }
345 383
384 double tmp_offset = 0;
385 char *value;
386 char *nptr;
346 /* get the offset */ 387 /* get the offset */
347 if(verbose) 388 if (verbose) {
348 printf("parsing offset from peer %.2x: ", ntohs(peers[i].assoc)); 389 printf("parsing offset from peer %.2x: ", ntohs(peers[i].assoc));
390 }
349 391
350 value = np_extract_ntpvar(data, "offset"); 392 value = np_extract_ntpvar(data, "offset");
351 nptr=NULL; 393 nptr = NULL;
352 /* Convert the value if we have one */ 394 /* Convert the value if we have one */
353 if(value != NULL) 395 if (value != NULL) {
354 tmp_offset = strtod(value, &nptr) / 1000; 396 tmp_offset = strtod(value, &nptr) / 1000;
397 }
355 /* If value is null or no conversion was performed */ 398 /* If value is null or no conversion was performed */
356 if(value == NULL || value==nptr) { 399 if (value == NULL || value == nptr) {
357 if(verbose) printf("error: unable to read server offset response.\n"); 400 if (verbose) {
401 printf("error: unable to read server offset response.\n");
402 }
358 } else { 403 } else {
359 if(verbose) printf("%.10g\n", tmp_offset); 404 if (verbose) {
360 if(*offset_result == STATE_UNKNOWN || fabs(tmp_offset) < fabs(*offset)) { 405 printf("%.10g\n", tmp_offset);
361 *offset = tmp_offset; 406 }
362 *offset_result = STATE_OK; 407 if (result.offset_result == STATE_UNKNOWN || fabs(tmp_offset) < fabs(result.offset)) {
408 result.offset = tmp_offset;
409 result.offset_result = STATE_OK;
363 } else { 410 } else {
364 /* Skip this one; move to the next */ 411 /* Skip this one; move to the next */
365 continue; 412 continue;
366 } 413 }
367 } 414 }
368 415
369 if(do_jitter) { 416 if (config.do_jitter) {
370 /* get the jitter */ 417 /* get the jitter */
371 if(verbose) { 418 if (verbose) {
372 printf("parsing %s from peer %.2x: ", strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter", ntohs(peers[i].assoc)); 419 printf("parsing %s from peer %.2x: ", strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter",
420 ntohs(peers[i].assoc));
373 } 421 }
374 value = np_extract_ntpvar(data, strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter"); 422 value = np_extract_ntpvar(data, strstr(getvar, "dispersion") != NULL ? "dispersion" : "jitter");
375 nptr=NULL; 423 nptr = NULL;
376 /* Convert the value if we have one */ 424 /* Convert the value if we have one */
377 if(value != NULL) 425 if (value != NULL) {
378 *jitter = strtod(value, &nptr); 426 result.jitter = strtod(value, &nptr);
427 }
379 /* If value is null or no conversion was performed */ 428 /* If value is null or no conversion was performed */
380 if(value == NULL || value==nptr) { 429 if (value == NULL || value == nptr) {
381 if(verbose) printf("error: unable to read server jitter/dispersion response.\n"); 430 if (verbose) {
382 *jitter = -1; 431 printf("error: unable to read server jitter/dispersion response.\n");
383 } else if(verbose) { 432 }
384 printf("%.10g\n", *jitter); 433 result.jitter = -1;
434 } else if (verbose) {
435 printf("%.10g\n", result.jitter);
385 } 436 }
386 } 437 }
387 438
388 if(do_stratum) { 439 if (config.do_stratum) {
389 /* get the stratum */ 440 /* get the stratum */
390 if(verbose) { 441 if (verbose) {
391 printf("parsing stratum from peer %.2x: ", ntohs(peers[i].assoc)); 442 printf("parsing stratum from peer %.2x: ", ntohs(peers[i].assoc));
392 } 443 }
393 value = np_extract_ntpvar(data, "stratum"); 444 value = np_extract_ntpvar(data, "stratum");
394 nptr=NULL; 445 nptr = NULL;
395 /* Convert the value if we have one */ 446 /* Convert the value if we have one */
396 if(value != NULL) 447 if (value != NULL) {
397 *stratum = strtol(value, &nptr, 10); 448 result.stratum = strtol(value, &nptr, 10);
398 if(value == NULL || value==nptr) { 449 }
399 if(verbose) printf("error: unable to read server stratum response.\n"); 450 if (value == NULL || value == nptr) {
400 *stratum = -1; 451 if (verbose) {
452 printf("error: unable to read server stratum response.\n");
453 }
454 result.stratum = -1;
401 } else { 455 } else {
402 if(verbose) printf("%i\n", *stratum); 456 if (verbose) {
457 printf("%li\n", result.stratum);
458 }
403 } 459 }
404 } 460 }
405 } /* if (PEER_SEL(peers[i].status) >= min_peer_sel) */ 461 } /* if (PEER_SEL(peers[i].status) >= min_peer_sel) */
406 } /* for (i = 0; i < npeers; i++) */ 462 } /* for (i = 0; i < npeers; i++) */
407 463
408 close(conn); 464 close(conn);
409 if(peers!=NULL) free(peers); 465 if (peers != NULL) {
466 free(peers);
467 }
410 468
411 return status; 469 return result;
412} 470}
413 471
414int process_arguments(int argc, char **argv){ 472check_ntp_peer_config_wrapper process_arguments(int argc, char **argv) {
415 int c;
416 int option=0;
417 static struct option longopts[] = { 473 static struct option longopts[] = {
418 {"version", no_argument, 0, 'V'}, 474 {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, {"verbose", no_argument, 0, 'v'},
419 {"help", no_argument, 0, 'h'}, 475 {"use-ipv4", no_argument, 0, '4'}, {"use-ipv6", no_argument, 0, '6'}, {"quiet", no_argument, 0, 'q'},
420 {"verbose", no_argument, 0, 'v'}, 476 {"warning", required_argument, 0, 'w'}, {"critical", required_argument, 0, 'c'}, {"swarn", required_argument, 0, 'W'},
421 {"use-ipv4", no_argument, 0, '4'}, 477 {"scrit", required_argument, 0, 'C'}, {"jwarn", required_argument, 0, 'j'}, {"jcrit", required_argument, 0, 'k'},
422 {"use-ipv6", no_argument, 0, '6'}, 478 {"twarn", required_argument, 0, 'm'}, {"tcrit", required_argument, 0, 'n'}, {"timeout", required_argument, 0, 't'},
423 {"quiet", no_argument, 0, 'q'}, 479 {"hostname", required_argument, 0, 'H'}, {"port", required_argument, 0, 'p'}, {0, 0, 0, 0}};
424 {"warning", required_argument, 0, 'w'}, 480
425 {"critical", required_argument, 0, 'c'}, 481 if (argc < 2) {
426 {"swarn", required_argument, 0, 'W'}, 482 usage("\n");
427 {"scrit", required_argument, 0, 'C'}, 483 }
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
438 484
439 if (argc < 2) 485 check_ntp_peer_config_wrapper result = {
440 usage ("\n"); 486 .errorcode = OK,
487 .config = check_ntp_peer_config_init(),
488 };
441 489
442 while (true) { 490 while (true) {
443 c = getopt_long (argc, argv, "Vhv46qw:c:W:C:j:k:m:n:t:H:p:", longopts, &option); 491 int option = 0;
444 if (c == -1 || c == EOF || c == 1) 492 int option_char = getopt_long(argc, argv, "Vhv46qw:c:W:C:j:k:m:n:t:H:p:", longopts, &option);
493 if (option_char == -1 || option_char == EOF || option_char == 1) {
445 break; 494 break;
495 }
446 496
447 switch (c) { 497 switch (option_char) {
448 case 'h': 498 case 'h':
449 print_help(); 499 print_help();
450 exit(STATE_UNKNOWN); 500 exit(STATE_UNKNOWN);
@@ -457,48 +507,49 @@ int process_arguments(int argc, char **argv){
457 verbose++; 507 verbose++;
458 break; 508 break;
459 case 'q': 509 case 'q':
460 quiet = true; 510 result.config.quiet = true;
461 break; 511 break;
462 case 'w': 512 case 'w':
463 owarn = optarg; 513 result.config.owarn = optarg;
464 break; 514 break;
465 case 'c': 515 case 'c':
466 ocrit = optarg; 516 result.config.ocrit = optarg;
467 break; 517 break;
468 case 'W': 518 case 'W':
469 do_stratum = true; 519 result.config.do_stratum = true;
470 swarn = optarg; 520 result.config.swarn = optarg;
471 break; 521 break;
472 case 'C': 522 case 'C':
473 do_stratum = true; 523 result.config.do_stratum = true;
474 scrit = optarg; 524 result.config.scrit = optarg;
475 break; 525 break;
476 case 'j': 526 case 'j':
477 do_jitter = true; 527 result.config.do_jitter = true;
478 jwarn = optarg; 528 result.config.jwarn = optarg;
479 break; 529 break;
480 case 'k': 530 case 'k':
481 do_jitter = true; 531 result.config.do_jitter = true;
482 jcrit = optarg; 532 result.config.jcrit = optarg;
483 break; 533 break;
484 case 'm': 534 case 'm':
485 do_truechimers = true; 535 result.config.do_truechimers = true;
486 twarn = optarg; 536 result.config.twarn = optarg;
487 break; 537 break;
488 case 'n': 538 case 'n':
489 do_truechimers = true; 539 result.config.do_truechimers = true;
490 tcrit = optarg; 540 result.config.tcrit = optarg;
491 break; 541 break;
492 case 'H': 542 case 'H':
493 if(!is_host(optarg)) 543 if (!is_host(optarg)) {
494 usage2(_("Invalid hostname/address"), optarg); 544 usage2(_("Invalid hostname/address"), optarg);
495 server_address = strdup(optarg); 545 }
546 result.config.server_address = strdup(optarg);
496 break; 547 break;
497 case 'p': 548 case 'p':
498 port=atoi(optarg); 549 result.config.port = atoi(optarg);
499 break; 550 break;
500 case 't': 551 case 't':
501 socket_timeout=atoi(optarg); 552 socket_timeout = atoi(optarg);
502 break; 553 break;
503 case '4': 554 case '4':
504 address_family = AF_INET; 555 address_family = AF_INET;
@@ -507,222 +558,220 @@ int process_arguments(int argc, char **argv){
507#ifdef USE_IPV6 558#ifdef USE_IPV6
508 address_family = AF_INET6; 559 address_family = AF_INET6;
509#else 560#else
510 usage4 (_("IPv6 support not available")); 561 usage4(_("IPv6 support not available"));
511#endif 562#endif
512 break; 563 break;
513 case '?': 564 case '?':
514 /* print short usage statement if args not parsable */ 565 /* print short usage statement if args not parsable */
515 usage5 (); 566 usage5();
516 break; 567 break;
517 } 568 }
518 } 569 }
519 570
520 if(server_address == NULL){ 571 if (result.config.server_address == NULL) {
521 usage4(_("Hostname was not supplied")); 572 usage4(_("Hostname was not supplied"));
522 } 573 }
523 574
524 return 0; 575 set_thresholds(&result.config.offset_thresholds, result.config.owarn, result.config.ocrit);
525} 576 set_thresholds(&result.config.jitter_thresholds, result.config.jwarn, result.config.jcrit);
577 set_thresholds(&result.config.stratum_thresholds, result.config.swarn, result.config.scrit);
578 set_thresholds(&result.config.truechimer_thresholds, result.config.twarn, result.config.tcrit);
526 579
527char *perfd_offset (double offset) 580 return result;
528{
529 return fperfdata ("offset", offset, "s",
530 true, offset_thresholds->warning->end,
531 true, offset_thresholds->critical->end,
532 false, 0, false, 0);
533} 581}
534 582
535char *perfd_jitter (double jitter) 583char *perfd_offset(double offset, thresholds *offset_thresholds) {
536{ 584 return fperfdata("offset", offset, "s", true, offset_thresholds->warning->end, true, offset_thresholds->critical->end, false, 0, false,
537 return fperfdata ("jitter", jitter, "", 585 0);
538 do_jitter, jitter_thresholds->warning->end,
539 do_jitter, jitter_thresholds->critical->end,
540 true, 0, false, 0);
541} 586}
542 587
543char *perfd_stratum (int stratum) 588char *perfd_jitter(double jitter, bool do_jitter, thresholds *jitter_thresholds) {
544{ 589 return fperfdata("jitter", jitter, "", do_jitter, jitter_thresholds->warning->end, do_jitter, jitter_thresholds->critical->end, true, 0,
545 return perfdata ("stratum", stratum, "", 590 false, 0);
546 do_stratum, (int)stratum_thresholds->warning->end,
547 do_stratum, (int)stratum_thresholds->critical->end,
548 true, 0, true, 16);
549} 591}
550 592
551char *perfd_truechimers (int num_truechimers) 593char *perfd_stratum(int stratum, bool do_stratum, thresholds *stratum_thresholds) {
552{ 594 return perfdata("stratum", stratum, "", do_stratum, (int)stratum_thresholds->warning->end, do_stratum,
553 return perfdata ("truechimers", num_truechimers, "", 595 (int)stratum_thresholds->critical->end, true, 0, true, 16);
554 do_truechimers, (int)truechimer_thresholds->warning->end,
555 do_truechimers, (int)truechimer_thresholds->critical->end,
556 true, 0, false, 0);
557} 596}
558 597
559int main(int argc, char *argv[]){ 598char *perfd_truechimers(int num_truechimers, const bool do_truechimers, thresholds *truechimer_thresholds) {
560 int result, offset_result, stratum, num_truechimers; 599 return perfdata("truechimers", num_truechimers, "", do_truechimers, (int)truechimer_thresholds->warning->end, do_truechimers,
561 double offset=0, jitter=0; 600 (int)truechimer_thresholds->critical->end, true, 0, false, 0);
562 char *result_line, *perfdata_line; 601}
563 602
564 setlocale (LC_ALL, ""); 603int main(int argc, char *argv[]) {
565 bindtextdomain (PACKAGE, LOCALEDIR); 604 setlocale(LC_ALL, "");
566 textdomain (PACKAGE); 605 bindtextdomain(PACKAGE, LOCALEDIR);
606 textdomain(PACKAGE);
567 607
568 /* Parse extra opts if any */ 608 /* Parse extra opts if any */
569 argv=np_extra_opts (&argc, argv, progname); 609 argv = np_extra_opts(&argc, argv, progname);
570 610
571 if (process_arguments (argc, argv) == ERROR) 611 check_ntp_peer_config_wrapper tmp_config = process_arguments(argc, argv);
572 usage4 (_("Could not parse arguments"));
573 612
574 set_thresholds(&offset_thresholds, owarn, ocrit); 613 if (tmp_config.errorcode == ERROR) {
575 set_thresholds(&jitter_thresholds, jwarn, jcrit); 614 usage4(_("Could not parse arguments"));
576 set_thresholds(&stratum_thresholds, swarn, scrit); 615 }
577 set_thresholds(&truechimer_thresholds, twarn, tcrit); 616
617 const check_ntp_peer_config config = tmp_config.config;
578 618
579 /* initialize alarm signal handling */ 619 /* initialize alarm signal handling */
580 signal (SIGALRM, socket_timeout_alarm_handler); 620 signal(SIGALRM, socket_timeout_alarm_handler);
581 621
582 /* set socket timeout */ 622 /* set socket timeout */
583 alarm (socket_timeout); 623 alarm(socket_timeout);
584 624
585 /* This returns either OK or WARNING (See comment preceding ntp_request) */ 625 /* This returns either OK or WARNING (See comment preceding ntp_request) */
586 result = ntp_request(&offset, &offset_result, &jitter, &stratum, &num_truechimers); 626 ntp_request_result ntp_res = ntp_request(config);
627 mp_state_enum result = STATE_UNKNOWN;
587 628
588 if(offset_result == STATE_UNKNOWN) { 629 if (ntp_res.offset_result == STATE_UNKNOWN) {
589 /* if there's no sync peer (this overrides ntp_request output): */ 630 /* if there's no sync peer (this overrides ntp_request output): */
590 result = (quiet ? STATE_UNKNOWN : STATE_CRITICAL); 631 result = (config.quiet ? STATE_UNKNOWN : STATE_CRITICAL);
591 } else { 632 } else {
592 /* Be quiet if there's no candidates either */ 633 /* Be quiet if there's no candidates either */
593 if (quiet && result == STATE_WARNING) 634 if (config.quiet && result == STATE_WARNING) {
594 result = STATE_UNKNOWN; 635 result = STATE_UNKNOWN;
595 result = max_state_alt(result, get_status(fabs(offset), offset_thresholds)); 636 }
637 result = max_state_alt(result, get_status(fabs(ntp_res.offset), config.offset_thresholds));
596 } 638 }
597 639
598 int oresult = result; 640 mp_state_enum oresult = result;
599 641 mp_state_enum tresult = STATE_UNKNOWN;
600 642
601 int tresult = STATE_UNKNOWN; 643 if (config.do_truechimers) {
602 644 tresult = get_status(ntp_res.num_truechimers, config.truechimer_thresholds);
603 if(do_truechimers) {
604 tresult = get_status(num_truechimers, truechimer_thresholds);
605 result = max_state_alt(result, tresult); 645 result = max_state_alt(result, tresult);
606 } 646 }
607 647
648 mp_state_enum sresult = STATE_UNKNOWN;
608 649
609 int sresult = STATE_UNKNOWN; 650 if (config.do_stratum) {
610 651 sresult = get_status((double)ntp_res.stratum, config.stratum_thresholds);
611 if(do_stratum) {
612 sresult = get_status(stratum, stratum_thresholds);
613 result = max_state_alt(result, sresult); 652 result = max_state_alt(result, sresult);
614 } 653 }
615 654
655 mp_state_enum jresult = STATE_UNKNOWN;
616 656
617 int jresult = STATE_UNKNOWN; 657 if (config.do_jitter) {
618 658 jresult = get_status(ntp_res.jitter, config.jitter_thresholds);
619 if(do_jitter) {
620 jresult = get_status(jitter, jitter_thresholds);
621 result = max_state_alt(result, jresult); 659 result = max_state_alt(result, jresult);
622 } 660 }
623 661
662 char *result_line;
624 switch (result) { 663 switch (result) {
625 case STATE_CRITICAL : 664 case STATE_CRITICAL:
626 xasprintf(&result_line, _("NTP CRITICAL:")); 665 xasprintf(&result_line, _("NTP CRITICAL:"));
627 break; 666 break;
628 case STATE_WARNING : 667 case STATE_WARNING:
629 xasprintf(&result_line, _("NTP WARNING:")); 668 xasprintf(&result_line, _("NTP WARNING:"));
630 break; 669 break;
631 case STATE_OK : 670 case STATE_OK:
632 xasprintf(&result_line, _("NTP OK:")); 671 xasprintf(&result_line, _("NTP OK:"));
633 break; 672 break;
634 default : 673 default:
635 xasprintf(&result_line, _("NTP UNKNOWN:")); 674 xasprintf(&result_line, _("NTP UNKNOWN:"));
636 break; 675 break;
637 } 676 }
638 if(!syncsource_found) 677
678 if (!syncsource_found) {
639 xasprintf(&result_line, "%s %s,", result_line, _("Server not synchronized")); 679 xasprintf(&result_line, "%s %s,", result_line, _("Server not synchronized"));
640 else if(li_alarm) 680 } else if (li_alarm) {
641 xasprintf(&result_line, "%s %s,", result_line, _("Server has the LI_ALARM bit set")); 681 xasprintf(&result_line, "%s %s,", result_line, _("Server has the LI_ALARM bit set"));
682 }
642 683
643 if(offset_result == STATE_UNKNOWN){ 684 char *perfdata_line;
685 if (ntp_res.offset_result == STATE_UNKNOWN) {
644 xasprintf(&result_line, "%s %s", result_line, _("Offset unknown")); 686 xasprintf(&result_line, "%s %s", result_line, _("Offset unknown"));
645 xasprintf(&perfdata_line, ""); 687 xasprintf(&perfdata_line, "");
646 } else if (oresult == STATE_WARNING) { 688 } else if (oresult == STATE_WARNING) {
647 xasprintf(&result_line, "%s %s %.10g secs (WARNING)", result_line, _("Offset"), offset); 689 xasprintf(&result_line, "%s %s %.10g secs (WARNING)", result_line, _("Offset"), ntp_res.offset);
648 } else if (oresult == STATE_CRITICAL) { 690 } else if (oresult == STATE_CRITICAL) {
649 xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"), offset); 691 xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"), ntp_res.offset);
650 } else { 692 } else {
651 xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), offset); 693 xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), ntp_res.offset);
652 } 694 }
653 xasprintf(&perfdata_line, "%s", perfd_offset(offset)); 695 xasprintf(&perfdata_line, "%s", perfd_offset(ntp_res.offset, config.offset_thresholds));
654 696
655 if (do_jitter) { 697 if (config.do_jitter) {
656 if (jresult == STATE_WARNING) { 698 if (jresult == STATE_WARNING) {
657 xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, jitter); 699 xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, ntp_res.jitter);
658 } else if (jresult == STATE_CRITICAL) { 700 } else if (jresult == STATE_CRITICAL) {
659 xasprintf(&result_line, "%s, jitter=%f (CRITICAL)", result_line, jitter); 701 xasprintf(&result_line, "%s, jitter=%f (CRITICAL)", result_line, ntp_res.jitter);
660 } else { 702 } else {
661 xasprintf(&result_line, "%s, jitter=%f", result_line, jitter); 703 xasprintf(&result_line, "%s, jitter=%f", result_line, ntp_res.jitter);
662 } 704 }
663 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_jitter(jitter)); 705 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_jitter(ntp_res.jitter, config.do_jitter, config.jitter_thresholds));
664 } 706 }
665 if (do_stratum) { 707
708 if (config.do_stratum) {
666 if (sresult == STATE_WARNING) { 709 if (sresult == STATE_WARNING) {
667 xasprintf(&result_line, "%s, stratum=%i (WARNING)", result_line, stratum); 710 xasprintf(&result_line, "%s, stratum=%l (WARNING)", result_line, ntp_res.stratum);
668 } else if (sresult == STATE_CRITICAL) { 711 } else if (sresult == STATE_CRITICAL) {
669 xasprintf(&result_line, "%s, stratum=%i (CRITICAL)", result_line, stratum); 712 xasprintf(&result_line, "%s, stratum=%l (CRITICAL)", result_line, ntp_res.stratum);
670 } else { 713 } else {
671 xasprintf(&result_line, "%s, stratum=%i", result_line, stratum); 714 xasprintf(&result_line, "%s, stratum=%l", result_line, ntp_res.stratum);
672 } 715 }
673 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_stratum(stratum)); 716 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_stratum(ntp_res.stratum, config.do_stratum, config.stratum_thresholds));
674 } 717 }
675 if (do_truechimers) { 718
719 if (config.do_truechimers) {
676 if (tresult == STATE_WARNING) { 720 if (tresult == STATE_WARNING) {
677 xasprintf(&result_line, "%s, truechimers=%i (WARNING)", result_line, num_truechimers); 721 xasprintf(&result_line, "%s, truechimers=%i (WARNING)", result_line, ntp_res.num_truechimers);
678 } else if (tresult == STATE_CRITICAL) { 722 } else if (tresult == STATE_CRITICAL) {
679 xasprintf(&result_line, "%s, truechimers=%i (CRITICAL)", result_line, num_truechimers); 723 xasprintf(&result_line, "%s, truechimers=%i (CRITICAL)", result_line, ntp_res.num_truechimers);
680 } else { 724 } else {
681 xasprintf(&result_line, "%s, truechimers=%i", result_line, num_truechimers); 725 xasprintf(&result_line, "%s, truechimers=%i", result_line, ntp_res.num_truechimers);
682 } 726 }
683 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_truechimers(num_truechimers)); 727 xasprintf(&perfdata_line, "%s %s", perfdata_line,
728 perfd_truechimers(ntp_res.num_truechimers, config.do_truechimers, config.truechimer_thresholds));
684 } 729 }
730
685 printf("%s|%s\n", result_line, perfdata_line); 731 printf("%s|%s\n", result_line, perfdata_line);
686 732
687 if(server_address!=NULL) free(server_address); 733 if (config.server_address != NULL) {
688 return result; 734 free(config.server_address);
735 }
736
737 exit(result);
689} 738}
690 739
691void print_help(void){ 740void print_help(void) {
692 print_revision(progname, NP_VERSION); 741 print_revision(progname, NP_VERSION);
693 742
694 printf ("Copyright (c) 2006 Sean Finney\n"); 743 printf("Copyright (c) 2006 Sean Finney\n");
695 printf (COPYRIGHT, copyright, email); 744 printf(COPYRIGHT, copyright, email);
696 745
697 printf ("%s\n", _("This plugin checks the selected ntp server")); 746 printf("%s\n", _("This plugin checks the selected ntp server"));
698 747
699 printf ("\n\n"); 748 printf("\n\n");
700 749
701 print_usage(); 750 print_usage();
702 printf (UT_HELP_VRSN); 751 printf(UT_HELP_VRSN);
703 printf (UT_EXTRA_OPTS); 752 printf(UT_EXTRA_OPTS);
704 printf (UT_IPv46); 753 printf(UT_IPv46);
705 printf (UT_HOST_PORT, 'p', "123"); 754 printf(UT_HOST_PORT, 'p', "123");
706 printf (" %s\n", "-q, --quiet"); 755 printf(" %s\n", "-q, --quiet");
707 printf (" %s\n", _("Returns UNKNOWN instead of CRITICAL or WARNING if server isn't synchronized")); 756 printf(" %s\n", _("Returns UNKNOWN instead of CRITICAL or WARNING if server isn't synchronized"));
708 printf (" %s\n", "-w, --warning=THRESHOLD"); 757 printf(" %s\n", "-w, --warning=THRESHOLD");
709 printf (" %s\n", _("Offset to result in warning status (seconds)")); 758 printf(" %s\n", _("Offset to result in warning status (seconds)"));
710 printf (" %s\n", "-c, --critical=THRESHOLD"); 759 printf(" %s\n", "-c, --critical=THRESHOLD");
711 printf (" %s\n", _("Offset to result in critical status (seconds)")); 760 printf(" %s\n", _("Offset to result in critical status (seconds)"));
712 printf (" %s\n", "-W, --swarn=THRESHOLD"); 761 printf(" %s\n", "-W, --swarn=THRESHOLD");
713 printf (" %s\n", _("Warning threshold for stratum of server's synchronization peer")); 762 printf(" %s\n", _("Warning threshold for stratum of server's synchronization peer"));
714 printf (" %s\n", "-C, --scrit=THRESHOLD"); 763 printf(" %s\n", "-C, --scrit=THRESHOLD");
715 printf (" %s\n", _("Critical threshold for stratum of server's synchronization peer")); 764 printf(" %s\n", _("Critical threshold for stratum of server's synchronization peer"));
716 printf (" %s\n", "-j, --jwarn=THRESHOLD"); 765 printf(" %s\n", "-j, --jwarn=THRESHOLD");
717 printf (" %s\n", _("Warning threshold for jitter")); 766 printf(" %s\n", _("Warning threshold for jitter"));
718 printf (" %s\n", "-k, --jcrit=THRESHOLD"); 767 printf(" %s\n", "-k, --jcrit=THRESHOLD");
719 printf (" %s\n", _("Critical threshold for jitter")); 768 printf(" %s\n", _("Critical threshold for jitter"));
720 printf (" %s\n", "-m, --twarn=THRESHOLD"); 769 printf(" %s\n", "-m, --twarn=THRESHOLD");
721 printf (" %s\n", _("Warning threshold for number of usable time sources (\"truechimers\")")); 770 printf(" %s\n", _("Warning threshold for number of usable time sources (\"truechimers\")"));
722 printf (" %s\n", "-n, --tcrit=THRESHOLD"); 771 printf(" %s\n", "-n, --tcrit=THRESHOLD");
723 printf (" %s\n", _("Critical threshold for number of usable time sources (\"truechimers\")")); 772 printf(" %s\n", _("Critical threshold for number of usable time sources (\"truechimers\")"));
724 printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); 773 printf(UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
725 printf (UT_VERBOSE); 774 printf(UT_VERBOSE);
726 775
727 printf("\n"); 776 printf("\n");
728 printf("%s\n", _("This plugin checks an NTP server independent of any commandline")); 777 printf("%s\n", _("This plugin checks an NTP server independent of any commandline"));
@@ -751,13 +800,11 @@ void print_help(void){
751 printf(" %s\n", _("Check only stratum:")); 800 printf(" %s\n", _("Check only stratum:"));
752 printf(" %s\n", ("./check_ntp_peer -H ntpserv -W 4 -C 6")); 801 printf(" %s\n", ("./check_ntp_peer -H ntpserv -W 4 -C 6"));
753 802
754 printf (UT_SUPPORT); 803 printf(UT_SUPPORT);
755} 804}
756 805
757void 806void print_usage(void) {
758print_usage(void) 807 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); 808 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"); 809 printf(" [-j <warn>] [-k <crit>] [-v verbose]\n");
763} 810}