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-rw-r--r--plugins/check_snmp.c333
1 files changed, 176 insertions, 157 deletions
diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index 2e2430d..dcb6e68 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -1,33 +1,30 @@
1/****************************************************************************** 1/******************************************************************************
2 * 2
3 * Program: SNMP plugin for Nagios 3 This program is free software; you can redistribute it and/or modify
4 * License: GPL 4 it under the terms of the GNU General Public License as published by
5 * 5 the Free Software Foundation; either version 2 of the License, or
6 * License Information: 6 (at your option) any later version.
7 * 7
8 * This program is free software; you can redistribute it and/or modify 8 This program is distributed in the hope that it will be useful,
9 * it under the terms of the GNU General Public License as published by 9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * the Free Software Foundation; either version 2 of the License, or 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * (at your option) any later version. 11 GNU General Public License for more details.
12 * 12
13 * This program is distributed in the hope that it will be useful, 13 You should have received a copy of the GNU General Public License
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 along with this program; if not, write to the Free Software
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
16 * GNU General Public License for more details. 16
17 * 17******************************************************************************/
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *./plugins/check_snmp 127.0.0.1 -c public -o .1.3.6.1.4.1.2021.9.1.2.1
23 *
24 *****************************************************************************/
25 18
26const char *progname = "check_snmp"; 19const char *progname = "check_snmp";
27const char *revision = "$Revision$"; 20const char *revision = "$Revision$";
28const char *copyright = "1999-2003"; 21const char *copyright = "1999-2003";
29const char *email = "nagiosplug-devel@lists.sourceforge.net"; 22const char *email = "nagiosplug-devel@lists.sourceforge.net";
30 23
24#include "common.h"
25#include "utils.h"
26#include "popen.h"
27
31#define DEFAULT_COMMUNITY "public" 28#define DEFAULT_COMMUNITY "public"
32#define DEFAULT_PORT "161" 29#define DEFAULT_PORT "161"
33#define DEFAULT_MIBLIST "ALL" 30#define DEFAULT_MIBLIST "ALL"
@@ -36,130 +33,6 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
36#define DEFAULT_DELIMITER "=" 33#define DEFAULT_DELIMITER "="
37#define DEFAULT_OUTPUT_DELIMITER " " 34#define DEFAULT_OUTPUT_DELIMITER " "
38 35
39#include "common.h"
40#include "utils.h"
41#include "popen.h"
42
43void
44print_usage (void)
45{
46 printf (_("\
47Usage: %s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n\
48 [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\
49 [-l label] [-u units] [-p port-number] [-d delimiter]\n\
50 [-D output-delimiter] [-m miblist] [-P snmp version]\n\
51 [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\
52 [-X privpasswd]\n"), progname);
53 printf (_(UT_HLP_VRS), progname, progname);
54}
55
56void
57print_help (void)
58{
59 print_revision (progname, revision);
60
61 printf (_(COPYRIGHT), copyright, email);
62
63 printf (_("\
64Check status of remote machines and obtain sustem information via SNMP\n\n"));
65
66 print_usage ();
67
68 printf (_(UT_HELP_VRSN));
69
70 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
71
72 /* SNMP and Authentication Protocol */
73 printf (_("\
74 -P, --protocol=[1|3]\n\
75 SNMP protocol version\n\
76 -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\
77 SNMPv3 securityLevel\n\
78 -a, --authproto=[MD5|SHA]\n\
79 SNMPv3 auth proto\n"));
80
81 /* Authentication Tokens*/
82 printf (_("\
83 -C, --community=STRING\n\
84 Optional community string for SNMP communication\n\
85 (default is \"%s\")\n\
86 -U, --secname=USERNAME\n\
87 SNMPv3 username\n\
88 -A, --authpassword=PASSWORD\n\
89 SNMPv3 authentication password\n\
90 -X, --privpasswd=PASSWORD\n\
91 SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY);
92
93 /* OID Stuff */
94 printf (_("\
95 -o, --oid=OID(s)\n\
96 Object identifier(s) whose value you wish to query\n\
97 -m, --miblist=STRING\n\
98 List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\
99 Delimiter to use when parsing returned data. Default is \"%s\"\n\
100 Any data on the right hand side of the delimiter is considered\n\
101 to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER);
102
103 /* Tests Against Integers */
104 printf (_("\
105 -w, --warning=INTEGER_RANGE(s)\n\
106 Range(s) which will not result in a WARNING status\n\
107 -c, --critical=INTEGER_RANGE(s)\n\
108 Range(s) which will not result in a CRITICAL status\n"));
109
110 /* Tests Against Strings */
111 printf (_("\
112 -s, --string=STRING\n\
113 Return OK state (for that OID) if STRING is an exact match\n\
114 -r, --ereg=REGEX\n\
115 Return OK state (for that OID) if extended regular expression REGEX matches\n\
116 -R, --eregi=REGEX\n\
117 Return OK state (for that OID) if case-insensitive extended REGEX matches\n\
118 -l, --label=STRING\n\
119 Prefix label for output from plugin (default -s 'SNMP')\n"));
120
121 /* Output Formatting */
122 printf (_("\
123 -u, --units=STRING\n\
124 Units label(s) for output data (e.g., 'sec.').\n\
125 -D, --output-delimiter=STRING\n\
126 Separates output on multiple OID requests\n"));
127
128 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
129
130 printf (_(UT_VERBOSE));
131
132 printf (_("\n\
133- This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\
134 If you don't have the package installed, you will need to download it from\n\
135 http://net-snmp.sourceforge.net before you can use this plugin.\n"));
136
137 printf (_("\
138- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\
139 internal spaces must be quoted) [max 8 OIDs]\n"));
140
141 printf (_("\
142- Ranges are inclusive and are indicated with colons. When specified as\n\
143 'min:max' a STATE_OK will be returned if the result is within the indicated\n\
144 range or is equal to the upper or lower bound. A non-OK state will be\n\
145 returned if the result is outside the specified range.\n"));
146
147 printf (_("\
148- If specified in the order 'max:min' a non-OK state will be returned if the\n\
149 result is within the (inclusive) range.\n"));
150
151 printf (_("\
152- Upper or lower bounds may be omitted to skip checking the respective limit.\n\
153- Bare integers are interpreted as upper limits.\n\
154- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\
155- Note that only one string and one regex may be checked at present\n\
156- All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\
157 returned from the SNMP query is an unsigned integer.\n"));
158
159 printf (_(UT_SUPPORT));
160}
161
162
163#define mark(a) ((a)!=0?"*":"") 36#define mark(a) ((a)!=0?"*":"")
164 37
165#define CHECK_UNDEF 0 38#define CHECK_UNDEF 0
@@ -187,16 +60,16 @@ Check status of remote machines and obtain sustem information via SNMP\n\n"));
187#define MAX_OIDS 8 60#define MAX_OIDS 8
188#define MAX_DELIM_LENGTH 8 61#define MAX_DELIM_LENGTH 8
189 62
190void print_usage (void);
191void print_help (void);
192int process_arguments (int, char **); 63int process_arguments (int, char **);
193int validate_arguments (void); 64int validate_arguments (void);
194int check_num (int);
195char *clarify_message (char *); 65char *clarify_message (char *);
66int check_num (int);
196int lu_getll (unsigned long *, char *); 67int lu_getll (unsigned long *, char *);
197int lu_getul (unsigned long *, char *); 68int lu_getul (unsigned long *, char *);
198char *thisarg (char *str); 69char *thisarg (char *str);
199char *nextarg (char *str); 70char *nextarg (char *str);
71void print_usage (void);
72void print_help (void);
200 73
201#ifdef HAVE_REGEX_H 74#ifdef HAVE_REGEX_H
202#include <regex.h> 75#include <regex.h>
@@ -244,6 +117,10 @@ char *output_delim = DEFAULT_OUTPUT_DELIMITER;
244char *miblist = DEFAULT_MIBLIST; 117char *miblist = DEFAULT_MIBLIST;
245 118
246 119
120
121
122
123
247int 124int
248main (int argc, char **argv) 125main (int argc, char **argv)
249{ 126{
@@ -427,10 +304,10 @@ main (int argc, char **argv)
427 } /* end while (ptr) */ 304 } /* end while (ptr) */
428 305
429 if (found == 0) 306 if (found == 0)
430 die 307 die (STATE_UNKNOWN,
431 (STATE_UNKNOWN, 308 _("%s problem - No data recieved from host\nCMD: %s\n"),
432 _("%s problem - No data recieved from host\nCMD: %s\n"), 309 label,
433 label, command_line); 310 command_line);
434 311
435 /* WARNING if output found on stderr */ 312 /* WARNING if output found on stderr */
436 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) 313 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
@@ -451,6 +328,11 @@ main (int argc, char **argv)
451 return result; 328 return result;
452} 329}
453 330
331
332
333
334
335
454/* process command-line arguments */ 336/* process command-line arguments */
455int 337int
456process_arguments (int argc, char **argv) 338process_arguments (int argc, char **argv)
@@ -708,6 +590,9 @@ process_arguments (int argc, char **argv)
708 return validate_arguments (); 590 return validate_arguments ();
709} 591}
710 592
593
594
595
711/****************************************************************************** 596/******************************************************************************
712 597
713@@- 598@@-
@@ -783,9 +668,12 @@ validate_arguments ()
783 668
784 return OK; 669 return OK;
785} 670}
786
787 671
788 672
673
674
675
676
789char * 677char *
790clarify_message (char *msg) 678clarify_message (char *msg)
791{ 679{
@@ -822,6 +710,8 @@ clarify_message (char *msg)
822} 710}
823 711
824 712
713
714
825int 715int
826check_num (int i) 716check_num (int i)
827{ 717{
@@ -865,6 +755,8 @@ check_num (int i)
865} 755}
866 756
867 757
758
759
868int 760int
869lu_getll (unsigned long *ll, char *str) 761lu_getll (unsigned long *ll, char *str)
870{ 762{
@@ -878,6 +770,9 @@ lu_getll (unsigned long *ll, char *str)
878 return 0; 770 return 0;
879} 771}
880 772
773
774
775
881int 776int
882lu_getul (unsigned long *ul, char *str) 777lu_getul (unsigned long *ul, char *str)
883{ 778{
@@ -894,8 +789,6 @@ lu_getul (unsigned long *ul, char *str)
894 789
895 790
896 791
897
898
899/* trim leading whitespace 792/* trim leading whitespace
900 if there is a leading quote, make sure it balances */ 793 if there is a leading quote, make sure it balances */
901 794
@@ -911,6 +804,8 @@ thisarg (char *str)
911} 804}
912 805
913 806
807
808
914/* if there's a leading quote, advance to the trailing quote 809/* if there's a leading quote, advance to the trailing quote
915 set the trailing quote to '\x0' 810 set the trailing quote to '\x0'
916 if the string continues, advance beyond the comma */ 811 if the string continues, advance beyond the comma */
@@ -945,3 +840,127 @@ nextarg (char *str)
945 } 840 }
946 return NULL; 841 return NULL;
947} 842}
843
844
845
846
847
848
849void
850print_help (void)
851{
852 print_revision (progname, revision);
853
854 printf (_(COPYRIGHT), copyright, email);
855
856 printf (_("\
857Check status of remote machines and obtain sustem information via SNMP\n\n"));
858
859 print_usage ();
860
861 printf (_(UT_HELP_VRSN));
862
863 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
864
865 /* SNMP and Authentication Protocol */
866 printf (_("\
867 -P, --protocol=[1|3]\n\
868 SNMP protocol version\n\
869 -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\
870 SNMPv3 securityLevel\n\
871 -a, --authproto=[MD5|SHA]\n\
872 SNMPv3 auth proto\n"));
873
874 /* Authentication Tokens*/
875 printf (_("\
876 -C, --community=STRING\n\
877 Optional community string for SNMP communication\n\
878 (default is \"%s\")\n\
879 -U, --secname=USERNAME\n\
880 SNMPv3 username\n\
881 -A, --authpassword=PASSWORD\n\
882 SNMPv3 authentication password\n\
883 -X, --privpasswd=PASSWORD\n\
884 SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY);
885
886 /* OID Stuff */
887 printf (_("\
888 -o, --oid=OID(s)\n\
889 Object identifier(s) whose value you wish to query\n\
890 -m, --miblist=STRING\n\
891 List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\
892 Delimiter to use when parsing returned data. Default is \"%s\"\n\
893 Any data on the right hand side of the delimiter is considered\n\
894 to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER);
895
896 /* Tests Against Integers */
897 printf (_("\
898 -w, --warning=INTEGER_RANGE(s)\n\
899 Range(s) which will not result in a WARNING status\n\
900 -c, --critical=INTEGER_RANGE(s)\n\
901 Range(s) which will not result in a CRITICAL status\n"));
902
903 /* Tests Against Strings */
904 printf (_("\
905 -s, --string=STRING\n\
906 Return OK state (for that OID) if STRING is an exact match\n\
907 -r, --ereg=REGEX\n\
908 Return OK state (for that OID) if extended regular expression REGEX matches\n\
909 -R, --eregi=REGEX\n\
910 Return OK state (for that OID) if case-insensitive extended REGEX matches\n\
911 -l, --label=STRING\n\
912 Prefix label for output from plugin (default -s 'SNMP')\n"));
913
914 /* Output Formatting */
915 printf (_("\
916 -u, --units=STRING\n\
917 Units label(s) for output data (e.g., 'sec.').\n\
918 -D, --output-delimiter=STRING\n\
919 Separates output on multiple OID requests\n"));
920
921 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
922
923 printf (_(UT_VERBOSE));
924
925 printf (_("\n\
926- This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\
927 If you don't have the package installed, you will need to download it from\n\
928 http://net-snmp.sourceforge.net before you can use this plugin.\n"));
929
930 printf (_("\
931- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\
932 internal spaces must be quoted) [max 8 OIDs]\n"));
933
934 printf (_("\
935- Ranges are inclusive and are indicated with colons. When specified as\n\
936 'min:max' a STATE_OK will be returned if the result is within the indicated\n\
937 range or is equal to the upper or lower bound. A non-OK state will be\n\
938 returned if the result is outside the specified range.\n"));
939
940 printf (_("\
941- If specified in the order 'max:min' a non-OK state will be returned if the\n\
942 result is within the (inclusive) range.\n"));
943
944 printf (_("\
945- Upper or lower bounds may be omitted to skip checking the respective limit.\n\
946- Bare integers are interpreted as upper limits.\n\
947- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\
948- Note that only one string and one regex may be checked at present\n\
949- All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\
950 returned from the SNMP query is an unsigned integer.\n"));
951
952 printf (_(UT_SUPPORT));
953}
954
955void
956print_usage (void)
957{
958 printf (_("\
959Usage: %s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n\
960 [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\
961 [-l label] [-u units] [-p port-number] [-d delimiter]\n\
962 [-D output-delimiter] [-m miblist] [-P snmp version]\n\
963 [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\
964 [-X privpasswd]\n"), progname);
965 printf (_(UT_HLP_VRS), progname, progname);
966}