df2ed002a8c7587def18324b1875fa98260adbd0
1 /******************************************************************************
2 *
3 * CHECK_MYSQL.C
4 *
5 * Program: Mysql plugin for Nagios
6 * License: GPL
7 * Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)
8 * portions (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
9 *
10 * $Id$
11 *
12 * Description:
13 *
14 * This plugin is for testing a mysql server.
15 ******************************************************************************/
17 const char *progname = "check_mysql"
18 #define REVISION "$Revision$"
19 #define COPYRIGHT "1999-2002"
21 #include "common.h"
22 #include "utils.h"
24 #include <mysql/mysql.h>
25 #include <mysql/errmsg.h>
27 char *db_user = "";
28 char *db_host = "";
29 char *db_pass = "";
30 char *db = "";
31 unsigned int db_port = MYSQL_PORT;
33 int process_arguments (int, char **);
34 int validate_arguments (void);
35 int check_disk (int usp, int free_disk);
36 void print_help (void);
37 void print_usage (void);
39 int
40 main (int argc, char **argv)
41 {
43 MYSQL mysql;
44 char result[1024];
46 if (process_arguments (argc, argv) != OK)
47 usage ("Invalid command arguments supplied\n");
49 /* initialize mysql */
50 mysql_init (&mysql);
52 /* establish a connection to the server and error checking */
53 if (!mysql_real_connect
54 (&mysql, db_host, db_user, db_pass, db, db_port, NULL, 0)) {
56 if (mysql_errno (&mysql) == CR_UNKNOWN_HOST) {
57 printf ("%s\n", mysql_error (&mysql));
58 return STATE_WARNING;
60 }
61 else if (mysql_errno (&mysql) == CR_VERSION_ERROR) {
62 printf ("%s\n", mysql_error (&mysql));
63 return STATE_WARNING;
65 }
66 else if (mysql_errno (&mysql) == CR_OUT_OF_MEMORY) {
67 printf ("%s\n", mysql_error (&mysql));
68 return STATE_WARNING;
70 }
71 else if (mysql_errno (&mysql) == CR_IPSOCK_ERROR) {
72 printf ("%s\n", mysql_error (&mysql));
73 return STATE_WARNING;
75 }
76 else if (mysql_errno (&mysql) == CR_SOCKET_CREATE_ERROR) {
77 printf ("%s\n", mysql_error (&mysql));
78 return STATE_WARNING;
80 }
81 else {
82 printf ("%s\n", mysql_error (&mysql));
83 return STATE_CRITICAL;
84 }
86 }
88 /* get the server stats */
89 sprintf (result, mysql_stat (&mysql));
91 /* error checking once more */
92 if (mysql_error (&mysql)) {
94 if (mysql_errno (&mysql) == CR_SERVER_GONE_ERROR) {
95 printf ("%s\n", mysql_error (&mysql));
96 return STATE_CRITICAL;
98 }
99 else if (mysql_errno (&mysql) == CR_SERVER_LOST) {
100 printf ("%s\n", mysql_error (&mysql));
101 return STATE_CRITICAL;
103 }
104 else if (mysql_errno (&mysql) == CR_UNKNOWN_ERROR) {
105 printf ("%s\n", mysql_error (&mysql));
106 return STATE_UNKNOWN;
107 }
109 }
111 /* close the connection */
112 mysql_close (&mysql);
114 /* print out the result of stats */
115 printf ("%s\n", result);
117 return STATE_OK;
118 }
124 /* process command-line arguments */
125 int
126 process_arguments (int argc, char **argv)
127 {
128 int c;
130 #ifdef HAVE_GETOPT_H
131 int option_index = 0;
132 static struct option long_options[] = {
133 {"hostname", required_argument, 0, 'H'},
134 {"database", required_argument, 0, 'd'},
135 {"username", required_argument, 0, 'u'},
136 {"password", required_argument, 0, 'p'},
137 {"port", required_argument, 0, 'P'},
138 {"verbose", no_argument, 0, 'v'},
139 {"version", no_argument, 0, 'V'},
140 {"help", no_argument, 0, 'h'},
141 {0, 0, 0, 0}
142 };
143 #endif
145 if (argc < 1)
146 return ERROR;
148 while (1) {
149 #ifdef HAVE_GETOPT_H
150 c =
151 getopt_long (argc, argv, "hVP:p:u:d:H:", long_options, &option_index);
152 #else
153 c = getopt (argc, argv, "hVP:p:u:d:H:");
154 #endif
156 if (c == -1 || c == EOF)
157 break;
159 switch (c) {
160 case 'H': /* hostname */
161 if (is_host (optarg)) {
162 db_host = optarg;
163 }
164 else {
165 usage ("Invalid host name\n");
166 }
167 break;
168 case 'd': /* hostname */
169 db = optarg;
170 break;
171 case 'u': /* username */
172 db_user = optarg;
173 break;
174 case 'p': /* authentication information: password */
175 db_pass = optarg;
176 break;
177 case 'P': /* critical time threshold */
178 db_port = atoi (optarg);
179 break;
180 case 'V': /* version */
181 print_revision (progname, REVISION);
182 exit (STATE_OK);
183 case 'h': /* help */
184 print_help ();
185 exit (STATE_OK);
186 case '?': /* help */
187 usage ("Invalid argument\n");
188 }
189 }
191 c = optind;
193 if (strlen(db_host) == 0 && argc > c)
194 if (is_host (argv[c])) {
195 db_host = argv[c++];
196 }
197 else {
198 usage ("Invalid host name");
199 }
201 if (strlen(db_user) == 0 && argc > c)
202 db_user = argv[c++];
204 if (strlen(db_pass) == 0 && argc > c)
205 db_pass = argv[c++];
207 if (strlen(db) == 0 && argc > c)
208 db = argv[c++];
210 if (is_intnonneg (argv[c]))
211 db_port = atoi (argv[c++]);
213 return validate_arguments ();
214 }
220 int
221 validate_arguments (void)
222 {
223 return OK;
224 }
230 void
231 print_help (void)
232 {
233 print_revision (progname, REVISION);
234 printf
235 ("Copyright (c) 2000 Didi Rieder/Karl DeBisschop\n\n"
236 "This plugin is for testing a mysql server.\n");
237 print_usage ();
238 printf
239 ("\nThere are no required arguments. By default, the local database with\n"
240 "a server listening on MySQL standard port %d will be checked\n\n"
241 "Options:\n"
242 " -d, --database=STRING\n"
243 " Check database with indicated name\n"
244 " -H, --hostname=STRING or IPADDRESS\n"
245 " Check server on the indicated host\n"
246 " -P, --port=INTEGER\n"
247 " Make connection on the indicated port\n"
248 " -u, --username=STRING\n"
249 " Connect using the indicated username\n"
250 " -p, --password=STRING\n"
251 " Use the indicated password to authenticate the connection\n"
252 " ==> IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!! <==\n"
253 " Your clear-text password will be visible as a process table entry\n"
254 " -h, --help\n"
255 " Print detailed help screen\n"
256 " -V, --version\n" " Print version information\n\n", MYSQL_PORT);
257 support ();
258 }
264 void
265 print_usage (void)
266 {
267 printf
268 ("Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password]\n"
269 " %s --help\n"
270 " %s --version\n", progname, progname, progname);
271 }