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-rw-r--r--plugins-root/check_icmp.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 1f87b75..c3be2ef 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -1,39 +1,39 @@
1/***************************************************************************** 1/*****************************************************************************
2* 2*
3* Monitoring check_icmp plugin 3* Monitoring check_icmp plugin
4* 4*
5* License: GPL 5* License: GPL
6* Copyright (c) 2005-2008 Monitoring Plugins Development Team 6* Copyright (c) 2005-2008 Monitoring Plugins Development Team
7* Original Author : Andreas Ericsson <ae@op5.se> 7* Original Author : Andreas Ericsson <ae@op5.se>
8* 8*
9* Description: 9* Description:
10* 10*
11* This file contains the check_icmp plugin 11* This file contains the check_icmp plugin
12* 12*
13* Relevant RFC's: 792 (ICMP), 791 (IP) 13* Relevant RFC's: 792 (ICMP), 791 (IP)
14* 14*
15* This program was modeled somewhat after the check_icmp program, 15* This program was modeled somewhat after the check_icmp program,
16* which was in turn a hack of fping (www.fping.org) but has been 16* which was in turn a hack of fping (www.fping.org) but has been
17* completely rewritten since to generate higher precision rta values, 17* completely rewritten since to generate higher precision rta values,
18* and support several different modes as well as setting ttl to control. 18* and support several different modes as well as setting ttl to control.
19* redundant routes. The only remainders of fping is currently a few 19* redundant routes. The only remainders of fping is currently a few
20* function names. 20* function names.
21* 21*
22* 22*
23* This program is free software: you can redistribute it and/or modify 23* This program is free software: you can redistribute it and/or modify
24* it under the terms of the GNU General Public License as published by 24* it under the terms of the GNU General Public License as published by
25* the Free Software Foundation, either version 3 of the License, or 25* the Free Software Foundation, either version 3 of the License, or
26* (at your option) any later version. 26* (at your option) any later version.
27* 27*
28* This program is distributed in the hope that it will be useful, 28* This program is distributed in the hope that it will be useful,
29* but WITHOUT ANY WARRANTY; without even the implied warranty of 29* but WITHOUT ANY WARRANTY; without even the implied warranty of
30* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 30* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31* GNU General Public License for more details. 31* GNU General Public License for more details.
32* 32*
33* You should have received a copy of the GNU General Public License 33* You should have received a copy of the GNU General Public License
34* along with this program. If not, see <http://www.gnu.org/licenses/>. 34* along with this program. If not, see <http://www.gnu.org/licenses/>.
35* 35*
36* 36*
37*****************************************************************************/ 37*****************************************************************************/
38 38
39/* progname may change */ 39/* progname may change */
@@ -55,6 +55,7 @@ const char *email = "devel@monitoring-plugins.org";
55#include <errno.h> 55#include <errno.h>
56#include <signal.h> 56#include <signal.h>
57#include <ctype.h> 57#include <ctype.h>
58#include <float.h>
58#include <net/if.h> 59#include <net/if.h>
59#include <netinet/in_systm.h> 60#include <netinet/in_systm.h>
60#include <netinet/in.h> 61#include <netinet/in.h>
@@ -95,10 +96,6 @@ const char *email = "devel@monitoring-plugins.org";
95# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 96# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
96#endif 97#endif
97 98
98#ifndef DBL_MAX
99# define DBL_MAX 9.9999999999e999
100#endif
101
102typedef unsigned short range_t; /* type for get_range() -- unimplemented */ 99typedef unsigned short range_t; /* type for get_range() -- unimplemented */
103 100
104typedef struct rta_host { 101typedef struct rta_host {
@@ -1224,7 +1221,7 @@ finish(int sig)
1224 host->rta / 1000, (float)warn.rta / 1000, (float)crit.rta / 1000, 1221 host->rta / 1000, (float)warn.rta / 1000, (float)crit.rta / 1000,
1225 (targets > 1) ? host->name : "", host->pl, warn.pl, crit.pl, 1222 (targets > 1) ? host->name : "", host->pl, warn.pl, crit.pl,
1226 (targets > 1) ? host->name : "", (float)host->rtmax / 1000, 1223 (targets > 1) ? host->name : "", (float)host->rtmax / 1000,
1227 (targets > 1) ? host->name : "", (host->rtmin < DBL_MAX) ? (float)host->rtmin / 1000 : (float)0); 1224 (targets > 1) ? host->name : "", (host->rtmin < INFINITY) ? (float)host->rtmin / 1000 : (float)0);
1228 1225
1229 host = host->next; 1226 host = host->next;
1230 } 1227 }
@@ -1327,7 +1324,7 @@ add_target_ip(char *arg, struct sockaddr_storage *in)
1327 memcpy(host_sin6->sin6_addr.s6_addr, sin6->sin6_addr.s6_addr, sizeof host_sin6->sin6_addr.s6_addr); 1324 memcpy(host_sin6->sin6_addr.s6_addr, sin6->sin6_addr.s6_addr, sizeof host_sin6->sin6_addr.s6_addr);
1328 } 1325 }
1329 1326
1330 host->rtmin = DBL_MAX; 1327 host->rtmin = INFINITY;
1331 1328
1332 if(!list) list = cursor = host; 1329 if(!list) list = cursor = host;
1333 else cursor->next = host; 1330 else cursor->next = host;
@@ -1342,7 +1339,7 @@ add_target_ip(char *arg, struct sockaddr_storage *in)
1342static int 1339static int
1343add_target(char *arg) 1340add_target(char *arg)
1344{ 1341{
1345 int error, result; 1342 int error, result = -1;
1346 struct sockaddr_storage ip; 1343 struct sockaddr_storage ip;
1347 struct addrinfo hints, *res, *p; 1344 struct addrinfo hints, *res, *p;
1348 struct sockaddr_in *sin; 1345 struct sockaddr_in *sin;
@@ -1433,20 +1430,21 @@ set_source_ip(char *arg)
1433static in_addr_t 1430static in_addr_t
1434get_ip_address(const char *ifname) 1431get_ip_address(const char *ifname)
1435{ 1432{
1433 // TODO: Rewrite this so the function return an error and we exit somewhere else
1434 struct sockaddr_in ip;
1436#if defined(SIOCGIFADDR) 1435#if defined(SIOCGIFADDR)
1437 struct ifreq ifr; 1436 struct ifreq ifr;
1438 struct sockaddr_in ip;
1439 1437
1440 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1); 1438 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
1441 ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0'; 1439 ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0';
1442 if(ioctl(icmp_sock, SIOCGIFADDR, &ifr) == -1) 1440 if(ioctl(icmp_sock, SIOCGIFADDR, &ifr) == -1)
1443 crash("Cannot determine IP address of interface %s", ifname); 1441 crash("Cannot determine IP address of interface %s", ifname);
1444 memcpy(&ip, &ifr.ifr_addr, sizeof(ip)); 1442 memcpy(&ip, &ifr.ifr_addr, sizeof(ip));
1445 return ip.sin_addr.s_addr;
1446#else 1443#else
1447 errno = 0; 1444 errno = 0;
1448 crash("Cannot get interface IP address on this platform."); 1445 crash("Cannot get interface IP address on this platform.");
1449#endif 1446#endif
1447 return ip.sin_addr.s_addr;
1450} 1448}
1451 1449
1452/* 1450/*