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author | Holger Weiss <holger@zedat.fu-berlin.de> | 2013-09-30 00:03:24 +0200 |
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committer | Holger Weiss <holger@zedat.fu-berlin.de> | 2013-09-30 00:03:24 +0200 |
commit | 0b6423f9c99d9edf8c96fefd0f6c453859395aa1 (patch) | |
tree | 1c2b6b21704a294940f87c7892676998d8371707 /web/attachments/178637-check_disk.c | |
download | site-0b6423f9c99d9edf8c96fefd0f6c453859395aa1.tar.gz |
Import Nagios Plugins site
Import the Nagios Plugins web site, Cronjobs, infrastructure scripts,
and configuration files.
Diffstat (limited to 'web/attachments/178637-check_disk.c')
-rw-r--r-- | web/attachments/178637-check_disk.c | 874 |
1 files changed, 874 insertions, 0 deletions
diff --git a/web/attachments/178637-check_disk.c b/web/attachments/178637-check_disk.c new file mode 100644 index 0000000..b4c2b1d --- /dev/null +++ b/web/attachments/178637-check_disk.c | |||
@@ -0,0 +1,874 @@ | |||
1 | /****************************************************************************** | ||
2 | |||
3 | This program is free software; you can redistribute it and/or modify | ||
4 | it under the terms of the GNU General Public License as published by | ||
5 | the Free Software Foundation; either version 2 of the License, or | ||
6 | (at your option) any later version. | ||
7 | |||
8 | This program is distributed in the hope that it will be useful, | ||
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | GNU General Public License for more details. | ||
12 | |||
13 | You should have received a copy of the GNU General Public License | ||
14 | along with this program; if not, write to the Free Software | ||
15 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
16 | |||
17 | $Id: check_disk.c,v 1.65m 2006/03/27 08:19:01 maemigh Exp $ | ||
18 | |||
19 | *****************************************************************************/ | ||
20 | |||
21 | const char *progname = "check_disk"; | ||
22 | const char *program_name = "check_disk"; /* Required for coreutils libs */ | ||
23 | const char *revision = "$Revision: 1.65.1 maemigh $"; | ||
24 | const char *copyright = "1999-2005"; | ||
25 | const char *email = "nagiosplug-devel@lists.sourceforge.net"; | ||
26 | |||
27 | /* | ||
28 | * Additional inode code by Jorgen Lundman <lundman@lundman.net> | ||
29 | */ | ||
30 | |||
31 | |||
32 | #include "common.h" | ||
33 | #if HAVE_INTTYPES_H | ||
34 | # include <inttypes.h> | ||
35 | #endif | ||
36 | #include <assert.h> | ||
37 | #include "popen.h" | ||
38 | #include "utils.h" | ||
39 | #include <stdarg.h> | ||
40 | #include "../lib/fsusage.h" | ||
41 | #include "../lib/mountlist.h" | ||
42 | #if HAVE_LIMITS_H | ||
43 | # include <limits.h> | ||
44 | #endif | ||
45 | |||
46 | /* If nonzero, show even filesystems with zero size or | ||
47 | uninteresting types. */ | ||
48 | static int show_all_fs = 1; | ||
49 | |||
50 | /* If nonzero, show only local filesystems. */ | ||
51 | static int show_local_fs = 0; | ||
52 | |||
53 | /* If nonzero, show output in HTML format. */ | ||
54 | static int show_html = 0; | ||
55 | |||
56 | /* If nonzero, output percent of space and inodes USED rather than percent free */ | ||
57 | static int show_used = 0; | ||
58 | |||
59 | /* If positive, the units to use when printing sizes; | ||
60 | if negative, the human-readable base. */ | ||
61 | /* static int output_block_size; */ | ||
62 | |||
63 | /* If nonzero, invoke the `sync' system call before getting any usage data. | ||
64 | Using this option can make df very slow, especially with many or very | ||
65 | busy disks. Note that this may make a difference on some systems -- | ||
66 | SunOs4.1.3, for one. It is *not* necessary on Linux. */ | ||
67 | /* static int require_sync = 0; */ | ||
68 | |||
69 | /* A filesystem type to display. */ | ||
70 | |||
71 | struct name_list | ||
72 | { | ||
73 | char *name; | ||
74 | int exclude; | ||
75 | int found; | ||
76 | int foundexact; | ||
77 | int found_len; | ||
78 | uintmax_t w_df; | ||
79 | uintmax_t c_df; | ||
80 | double w_dfp; | ||
81 | double c_dfp; | ||
82 | double w_idfp; | ||
83 | double c_idfp; | ||
84 | struct name_list *name_next; | ||
85 | }; | ||
86 | |||
87 | /* Linked list of filesystem types to display. | ||
88 | If `fs_select_list' is NULL, list all types. | ||
89 | This table is generated dynamically from command-line options, | ||
90 | rather than hardcoding into the program what it thinks are the | ||
91 | valid filesystem types; let the user specify any filesystem type | ||
92 | they want to, and if there are any filesystems of that type, they | ||
93 | will be shown. | ||
94 | |||
95 | Some filesystem types: | ||
96 | 4.2 4.3 ufs nfs swap ignore io vm efs dbg */ | ||
97 | |||
98 | /* static struct name_list *fs_select_list; */ | ||
99 | |||
100 | /* Linked list of filesystem types to omit. | ||
101 | If the list is empty, don't exclude any types. */ | ||
102 | |||
103 | static struct name_list *fs_exclude_list; | ||
104 | |||
105 | static struct name_list *dp_exclude_list; | ||
106 | |||
107 | static struct name_list *path_select_list; | ||
108 | |||
109 | static struct name_list *dev_select_list; | ||
110 | |||
111 | /* Linked list of mounted filesystems. */ | ||
112 | static struct mount_entry *mount_list; | ||
113 | |||
114 | /* For long options that have no equivalent short option, use a | ||
115 | non-character as a pseudo short option, starting with CHAR_MAX + 1. */ | ||
116 | enum | ||
117 | { | ||
118 | SYNC_OPTION = CHAR_MAX + 1, | ||
119 | NO_SYNC_OPTION, | ||
120 | BLOCK_SIZE_OPTION | ||
121 | }; | ||
122 | |||
123 | #ifdef _AIX | ||
124 | #pragma alloca | ||
125 | #endif | ||
126 | |||
127 | int process_arguments (int, char **); | ||
128 | void print_path (const char *mypath); | ||
129 | int validate_arguments (uintmax_t, uintmax_t, double, double, double, double, char *); | ||
130 | int check_disk (double usp, uintmax_t free_disk, double uisp); | ||
131 | int walk_name_list (struct name_list *list, const char *name); | ||
132 | void print_help (void); | ||
133 | void print_usage (void); | ||
134 | |||
135 | uintmax_t w_df = 0; | ||
136 | uintmax_t c_df = 0; | ||
137 | double w_dfp = -1.0; | ||
138 | double c_dfp = -1.0; | ||
139 | double w_idfp = -1.0; | ||
140 | double c_idfp = -1.0; | ||
141 | char *path; | ||
142 | char *exclude_device; | ||
143 | char *units; | ||
144 | uintmax_t mult = 1024 * 1024; | ||
145 | int verbose = 0; | ||
146 | int erronly = FALSE; | ||
147 | int display_mntp = FALSE; | ||
148 | int longest_length = 0; | ||
149 | /* Linked list of mounted filesystems. */ | ||
150 | static struct mount_entry *mount_list; | ||
151 | |||
152 | |||
153 | |||
154 | int | ||
155 | main (int argc, char **argv) | ||
156 | { | ||
157 | double usp = -1.0, uisp = -1.0; | ||
158 | int result = STATE_UNKNOWN; | ||
159 | int disk_result = STATE_UNKNOWN; | ||
160 | char file_system[MAX_INPUT_BUFFER]; | ||
161 | char *output; | ||
162 | char *details; | ||
163 | char *perf; | ||
164 | uintmax_t psize; | ||
165 | float free_space, free_space_pct, total_space, inode_space_pct; | ||
166 | |||
167 | struct mount_entry *me; | ||
168 | struct fs_usage fsp; | ||
169 | struct name_list *temp_list; | ||
170 | |||
171 | output = strdup (" - free space:"); | ||
172 | details = strdup (""); | ||
173 | perf = strdup (""); | ||
174 | |||
175 | setlocale (LC_ALL, ""); | ||
176 | bindtextdomain (PACKAGE, LOCALEDIR); | ||
177 | textdomain (PACKAGE); | ||
178 | |||
179 | mount_list = read_filesystem_list (0); | ||
180 | |||
181 | if (process_arguments (argc, argv) == ERROR) | ||
182 | usage4 (_("Could not parse arguments")); | ||
183 | |||
184 | /* if a list of paths has been selected, preseed the list with | ||
185 | * the longest matching filesystem name by iterating across | ||
186 | * the mountlist once ahead of time. this will allow a query on | ||
187 | * "/var/log" to return information about "/var" if no "/var/log" | ||
188 | * filesystem exists, etc. this is the default behavior already | ||
189 | * with df-based checks, but for systems with their own space | ||
190 | * checking routines, this should make them more consistent. | ||
191 | * | ||
192 | * Also keep track of the longest path that will be displayed | ||
193 | * in order to format in HTML. | ||
194 | */ | ||
195 | |||
196 | /* The walk_name_list function will keep track of longest_length */ | ||
197 | if(path_select_list){ | ||
198 | for (me = mount_list; me; me = me->me_next) { | ||
199 | walk_name_list(path_select_list, me->me_devname); | ||
200 | walk_name_list(path_select_list, me->me_mountdir); | ||
201 | } | ||
202 | } | ||
203 | /* Longest length is only kept track of when the list passed is NOT | ||
204 | * and exclude list. Thus we must verify the longest path that | ||
205 | * will be displayed in the output. | ||
206 | */ | ||
207 | else { | ||
208 | for (me = mount_list; me; me = me->me_next) { | ||
209 | if(!walk_name_list(fs_exclude_list, me->me_type) && | ||
210 | !walk_name_list(dp_exclude_list, me->me_devname) && | ||
211 | !walk_name_list(dp_exclude_list, me->me_mountdir)) { | ||
212 | get_fs_usage (me->me_mountdir, me->me_devname, &fsp); | ||
213 | if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) { | ||
214 | if (!strcmp(file_system, "none") || display_mntp) { | ||
215 | if(strlen(me->me_devname) > longest_length) longest_length = strlen(me->me_devname); | ||
216 | } else { | ||
217 | if(strlen(me->me_mountdir) > longest_length) longest_length = strlen(me->me_mountdir); | ||
218 | } | ||
219 | } | ||
220 | } | ||
221 | } | ||
222 | } | ||
223 | /* now pretend we never saw anything, but keep found_len. | ||
224 | * thus future searches will only match the best match */ | ||
225 | for (temp_list = path_select_list; temp_list; temp_list=temp_list->name_next){ | ||
226 | temp_list->found=0; | ||
227 | } | ||
228 | |||
229 | /* for every mount entry */ | ||
230 | for (me = mount_list; me; me = me->me_next) { | ||
231 | /* if there's a list of paths to select, the current mount | ||
232 | * entry matches in path or device name, get fs usage */ | ||
233 | if (path_select_list && | ||
234 | (walk_name_list(path_select_list, me->me_devname) || | ||
235 | walk_name_list(path_select_list, me->me_mountdir))) { | ||
236 | get_fs_usage (me->me_mountdir, me->me_devname, &fsp); | ||
237 | /* else if there's a list of paths/devices to select (but | ||
238 | * we didn't match above) skip to the next mount entry */ | ||
239 | } else if (dev_select_list || path_select_list) { | ||
240 | continue; | ||
241 | /* skip remote filesystems if we're not interested in them */ | ||
242 | } else if (me->me_remote && show_local_fs) { | ||
243 | continue; | ||
244 | /* skip pseudo fs's if we haven't asked for all fs's */ | ||
245 | } else if (me->me_dummy && !show_all_fs) { | ||
246 | continue; | ||
247 | /* skip excluded fstypes */ | ||
248 | } else if (fs_exclude_list && walk_name_list (fs_exclude_list, me->me_type)) { | ||
249 | continue; | ||
250 | /* skip excluded fs's */ | ||
251 | } else if (dp_exclude_list && | ||
252 | (walk_name_list (dp_exclude_list, me->me_devname) || | ||
253 | walk_name_list (dp_exclude_list, me->me_mountdir))) { | ||
254 | continue; | ||
255 | /* otherwise, get fs usage */ | ||
256 | } else { | ||
257 | get_fs_usage (me->me_mountdir, me->me_devname, &fsp); | ||
258 | } | ||
259 | if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) { | ||
260 | usp = (double)(fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks; | ||
261 | uisp = (double)(fsp.fsu_files - fsp.fsu_ffree) * 100 / fsp.fsu_files; | ||
262 | disk_result = check_disk (usp, fsp.fsu_bavail, uisp); | ||
263 | |||
264 | |||
265 | result = max_state (disk_result, result); | ||
266 | psize = fsp.fsu_blocks*fsp.fsu_blocksize/mult; | ||
267 | |||
268 | |||
269 | /* Moved this computation up here so we can add it | ||
270 | * to perf */ | ||
271 | inode_space_pct = (float)fsp.fsu_ffree*100/fsp.fsu_files; | ||
272 | |||
273 | asprintf (&perf, "%s %s", perf, | ||
274 | perfdata ((!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir, | ||
275 | psize-(fsp.fsu_bavail*fsp.fsu_blocksize/mult), units, | ||
276 | TRUE, min ((uintmax_t)psize-(uintmax_t)w_df, (uintmax_t)((1.0-w_dfp/100.0)*psize)), | ||
277 | TRUE, min ((uintmax_t)psize-(uintmax_t)c_df, (uintmax_t)((1.0-c_dfp/100.0)*psize)), | ||
278 | TRUE, inode_space_pct, | ||
279 | |||
280 | TRUE, psize)); | ||
281 | if (disk_result==STATE_OK && erronly && !verbose) | ||
282 | continue; | ||
283 | |||
284 | free_space = (float)fsp.fsu_bavail*fsp.fsu_blocksize/mult; | ||
285 | free_space_pct = (float)fsp.fsu_bavail*100/fsp.fsu_blocks; | ||
286 | total_space = (float)fsp.fsu_blocks*fsp.fsu_blocksize/mult; | ||
287 | if (disk_result!=STATE_OK || verbose>=0) { | ||
288 | if (show_html == 1) { | ||
289 | int x = 0; | ||
290 | int delta_len = (longest_length - strlen((!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir)); | ||
291 | for(x=delta_len; x >= 0; x--) { | ||
292 | if((!strcmp(file_system, "none") || display_mntp)) strcat(me->me_devname, " "); | ||
293 | else strcat(me->me_mountdir, " "); | ||
294 | } | ||
295 | asprintf (&output, ("%s <br/>%s %6.0f %s (%3.0f%% inode=%3.0f%%);"), | ||
296 | output, | ||
297 | (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir, | ||
298 | free_space, | ||
299 | units, | ||
300 | (show_used == 1) ? 100-free_space_pct : free_space_pct, | ||
301 | (show_used == 1) ? 100-inode_space_pct : inode_space_pct); | ||
302 | } else { | ||
303 | asprintf (&output, ("%s %s %.0f %s (%.0f%% inode=%.0f%%);"), | ||
304 | output, | ||
305 | (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir, | ||
306 | free_space, | ||
307 | units, | ||
308 | (show_used == 1) ? 100-free_space_pct : free_space_pct, | ||
309 | (show_used == 1) ? 100-inode_space_pct : inode_space_pct); | ||
310 | } | ||
311 | } | ||
312 | asprintf (&details, _("%s\n\ | ||
313 | %.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"), | ||
314 | details, free_space, total_space, units, free_space_pct, inode_space_pct, | ||
315 | me->me_devname, me->me_type, me->me_mountdir, | ||
316 | (unsigned long)w_df, (unsigned long)c_df, w_dfp, c_dfp); | ||
317 | |||
318 | } | ||
319 | |||
320 | } | ||
321 | |||
322 | if (verbose > 2) | ||
323 | asprintf (&output, "%s%s", output, details); | ||
324 | |||
325 | /* Override result if paths specified and not found */ | ||
326 | temp_list = path_select_list; | ||
327 | while (temp_list) { | ||
328 | if (!temp_list->found) { | ||
329 | asprintf (&output, _("%s [%s not found]"), output, temp_list->name); | ||
330 | result = STATE_CRITICAL; | ||
331 | } | ||
332 | temp_list = temp_list->name_next; | ||
333 | } | ||
334 | if (show_html == 1) | ||
335 | printf ("<pre>DISK %s%s|%s\n", state_text (result), output, perf); | ||
336 | else | ||
337 | printf ("DISK %s%s|%s\n", state_text (result), output, perf); | ||
338 | return result; | ||
339 | } | ||
340 | |||
341 | |||
342 | |||
343 | /* process command-line arguments */ | ||
344 | int | ||
345 | process_arguments (int argc, char **argv) | ||
346 | { | ||
347 | int c; | ||
348 | struct name_list *se; | ||
349 | struct name_list **pathtail = &path_select_list; | ||
350 | struct name_list **fstail = &fs_exclude_list; | ||
351 | struct name_list **dptail = &dp_exclude_list; | ||
352 | struct name_list *temp_list; | ||
353 | int result = OK; | ||
354 | struct stat *stat_buf; | ||
355 | |||
356 | unsigned long l; | ||
357 | |||
358 | int option = 0; | ||
359 | static struct option longopts[] = { | ||
360 | {"timeout", required_argument, 0, 't'}, | ||
361 | {"warning", required_argument, 0, 'w'}, | ||
362 | {"critical", required_argument, 0, 'c'}, | ||
363 | {"iwarning", required_argument, 0, 'W'}, | ||
364 | /* Dang, -C is taken. We might want to reshuffle this. */ | ||
365 | {"icritical", required_argument, 0, 'K'}, | ||
366 | {"local", required_argument, 0, 'l'}, | ||
367 | {"kilobytes", required_argument, 0, 'k'}, | ||
368 | {"megabytes", required_argument, 0, 'm'}, | ||
369 | {"units", required_argument, 0, 'u'}, | ||
370 | {"path", required_argument, 0, 'p'}, | ||
371 | {"partition", required_argument, 0, 'p'}, | ||
372 | {"exclude_device", required_argument, 0, 'x'}, | ||
373 | {"exclude_path", required_argument, 0, 's'}, | ||
374 | {"exclude-type", required_argument, 0, 'X'}, | ||
375 | {"mountpoint", no_argument, 0, 'M'}, | ||
376 | {"errors-only", no_argument, 0, 'e'}, | ||
377 | {"verbose", no_argument, 0, 'v'}, | ||
378 | {"quiet", no_argument, 0, 'q'}, | ||
379 | {"clear", no_argument, 0, 'C'}, | ||
380 | {"version", no_argument, 0, 'V'}, | ||
381 | {"help", no_argument, 0, 'h'}, | ||
382 | {"html", no_argument, 0, 'H'}, | ||
383 | {"used", no_argument, 0, 'U'}, | ||
384 | {0, 0, 0, 0} | ||
385 | }; | ||
386 | |||
387 | if (argc < 2) | ||
388 | return ERROR; | ||
389 | |||
390 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
391 | se->name = strdup ("iso9660"); | ||
392 | se->name_next = NULL; | ||
393 | se->found = 0; | ||
394 | se->foundexact = 0; | ||
395 | se->exclude = 0; | ||
396 | se->found_len = 0; | ||
397 | *fstail = se; | ||
398 | fstail = &se->name_next; | ||
399 | for (c = 1; c < argc; c++) | ||
400 | if (strcmp ("-to", argv[c]) == 0) | ||
401 | strcpy (argv[c], "-t"); | ||
402 | |||
403 | while (1) { | ||
404 | c = getopt_long (argc, argv, "+?VqhHiUveCt:c:w:K:W:u:p:x:s:X:mklM", longopts, &option); | ||
405 | |||
406 | if (c == -1 || c == EOF) | ||
407 | break; | ||
408 | |||
409 | switch (c) { | ||
410 | case 't': /* timeout period */ | ||
411 | if (is_integer (optarg)) { | ||
412 | timeout_interval = atoi (optarg); | ||
413 | break; | ||
414 | } | ||
415 | else { | ||
416 | usage2 (_("Timeout interval must be a positive integer"), optarg); | ||
417 | } | ||
418 | case 'w': /* warning threshold */ | ||
419 | if (is_intnonneg (optarg)) { | ||
420 | w_df = atoi (optarg); | ||
421 | break; | ||
422 | } | ||
423 | else if (strpbrk (optarg, ",:") && | ||
424 | strstr (optarg, "%") && | ||
425 | sscanf (optarg, "%lu%*[:,]%lf%%", &l, &w_dfp) == 2) { | ||
426 | w_df = (uintmax_t)l; | ||
427 | break; | ||
428 | } | ||
429 | else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &w_dfp) == 1) { | ||
430 | break; | ||
431 | } | ||
432 | else { | ||
433 | usage4 (_("Warning threshold must be integer or percentage!")); | ||
434 | } | ||
435 | case 'c': /* critical threshold */ | ||
436 | if (is_intnonneg (optarg)) { | ||
437 | c_df = atoi (optarg); | ||
438 | break; | ||
439 | } | ||
440 | else if (strpbrk (optarg, ",:") && | ||
441 | strstr (optarg, "%") && | ||
442 | sscanf (optarg, "%lu%*[,:]%lf%%", &l, &c_dfp) == 2) { | ||
443 | c_df = (uintmax_t)l; | ||
444 | break; | ||
445 | } | ||
446 | else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &c_dfp) == 1) { | ||
447 | break; | ||
448 | } | ||
449 | else { | ||
450 | usage4 (_("Critical threshold must be integer or percentage!")); | ||
451 | } | ||
452 | |||
453 | |||
454 | case 'W': /* warning inode threshold */ | ||
455 | if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &w_idfp) == 1) { | ||
456 | break; | ||
457 | } | ||
458 | else { | ||
459 | usage (_("Warning inode threshold must be percentage!\n")); | ||
460 | } | ||
461 | case 'K': /* kritical inode threshold */ | ||
462 | if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &c_idfp) == 1) { | ||
463 | break; | ||
464 | } | ||
465 | else { | ||
466 | usage (_("Critical inode threshold must be percentage!\n")); | ||
467 | } | ||
468 | case 'u': | ||
469 | if (units) | ||
470 | free(units); | ||
471 | if (! strcmp (optarg, "bytes")) { | ||
472 | mult = (uintmax_t)1; | ||
473 | units = strdup ("B"); | ||
474 | } else if (! strcmp (optarg, "kB")) { | ||
475 | mult = (uintmax_t)1024; | ||
476 | units = strdup ("kB"); | ||
477 | } else if (! strcmp (optarg, "MB")) { | ||
478 | mult = (uintmax_t)1024 * 1024; | ||
479 | units = strdup ("MB"); | ||
480 | } else if (! strcmp (optarg, "GB")) { | ||
481 | mult = (uintmax_t)1024 * 1024 * 1024; | ||
482 | units = strdup ("GB"); | ||
483 | } else if (! strcmp (optarg, "TB")) { | ||
484 | mult = (uintmax_t)1024 * 1024 * 1024 * 1024; | ||
485 | units = strdup ("TB"); | ||
486 | } else { | ||
487 | die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg); | ||
488 | } | ||
489 | if (units == NULL) | ||
490 | die (STATE_UNKNOWN, _("failed allocating storage for '%s'\n"), "units"); | ||
491 | break; | ||
492 | case 'k': /* display mountpoint */ | ||
493 | mult = 1024; | ||
494 | if (units) | ||
495 | free(units); | ||
496 | units = strdup ("kB"); | ||
497 | break; | ||
498 | case 'm': /* display mountpoint */ | ||
499 | mult = 1024 * 1024; | ||
500 | if (units) | ||
501 | free(units); | ||
502 | units = strdup ("MB"); | ||
503 | break; | ||
504 | case 'l': | ||
505 | show_local_fs = 1; | ||
506 | break; | ||
507 | case 'p': /* select path */ | ||
508 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
509 | se->name = optarg; | ||
510 | se->name_next = NULL; | ||
511 | se->w_df = w_df; | ||
512 | se->c_df = c_df; | ||
513 | se->w_dfp = w_dfp; | ||
514 | se->c_dfp = c_dfp; | ||
515 | se->w_idfp = w_idfp; | ||
516 | se->c_idfp = c_idfp; | ||
517 | se->found = 0; | ||
518 | se->foundexact = 0; | ||
519 | se->found_len = 0; | ||
520 | se->exclude = 0; | ||
521 | *pathtail = se; | ||
522 | pathtail = &se->name_next; | ||
523 | break; | ||
524 | case 'x': /* exclude path or partition */ | ||
525 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
526 | se->name = optarg; | ||
527 | se->name_next = NULL; | ||
528 | |||
529 | /* If you don't clear the w_fd etc values here, they | ||
530 | * get processed when you walk the list and assigned | ||
531 | * to the global w_df! | ||
532 | */ | ||
533 | se->w_df = 0; | ||
534 | se->c_df = 0; | ||
535 | se->w_dfp = 0; | ||
536 | se->c_dfp = 0; | ||
537 | se->w_idfp = 0; | ||
538 | se->c_idfp = 0; | ||
539 | se->found = 0; | ||
540 | se->foundexact = 0; | ||
541 | se->found_len = 0; | ||
542 | se->exclude = 1; | ||
543 | *dptail = se; | ||
544 | dptail = &se->name_next; | ||
545 | break; | ||
546 | case 's': /* exclude path or partition */ | ||
547 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
548 | se->name = optarg; | ||
549 | se->name_next = NULL; | ||
550 | |||
551 | /* If you don't clear the w_fd etc values here, they | ||
552 | * get processed when you walk the list and assigned | ||
553 | * to the global w_df! | ||
554 | */ | ||
555 | se->w_df = 0; | ||
556 | se->c_df = 0; | ||
557 | se->w_dfp = 0; | ||
558 | se->c_dfp = 0; | ||
559 | se->w_idfp = 0; | ||
560 | se->c_idfp = 0; | ||
561 | se->found = 0; | ||
562 | se->foundexact = 0; | ||
563 | se->found_len = 0; | ||
564 | se->exclude = 2; | ||
565 | *dptail = se; | ||
566 | dptail = &se->name_next; | ||
567 | break; | ||
568 | case 'X': /* exclude file system type */ | ||
569 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
570 | se->name = optarg; | ||
571 | se->name_next = NULL; | ||
572 | /* If you don't clear the w_fd etc values here, they | ||
573 | * get processed when you walk the list and assigned | ||
574 | * to the global w_df! | ||
575 | */ | ||
576 | se->w_df = 0; | ||
577 | se->c_df = 0; | ||
578 | se->w_dfp = 0; | ||
579 | se->c_dfp = 0; | ||
580 | se->w_idfp = 0; | ||
581 | se->c_idfp = 0; | ||
582 | se->found = 0; | ||
583 | se->foundexact = 0; | ||
584 | se->found_len = 0; | ||
585 | *fstail = se; | ||
586 | fstail = &se->name_next; | ||
587 | break; | ||
588 | case 'v': /* verbose */ | ||
589 | verbose++; | ||
590 | break; | ||
591 | case 'q': /* verbose */ | ||
592 | verbose--; | ||
593 | break; | ||
594 | case 'e': | ||
595 | erronly = TRUE; | ||
596 | break; | ||
597 | case 'M': /* display mountpoint */ | ||
598 | display_mntp = TRUE; | ||
599 | break; | ||
600 | case 'C': | ||
601 | w_df = 0; | ||
602 | c_df = 0; | ||
603 | w_dfp = -1.0; | ||
604 | c_dfp = -1.0; | ||
605 | w_idfp = -1.0; | ||
606 | c_idfp = -1.0; | ||
607 | break; | ||
608 | case 'H': /* HTML formatted output */ | ||
609 | show_html = 1; | ||
610 | break; | ||
611 | case 'U': | ||
612 | show_used = 1; | ||
613 | break; | ||
614 | case 'V': /* version */ | ||
615 | print_revision (progname, revision); | ||
616 | exit (STATE_OK); | ||
617 | case 'h': /* help */ | ||
618 | print_help (); | ||
619 | exit (STATE_OK); | ||
620 | case '?': /* help */ | ||
621 | usage (_("Unknown argument")); | ||
622 | } | ||
623 | } | ||
624 | |||
625 | /* Support for "check_disk warn crit [fs]" with thresholds at used level */ | ||
626 | c = optind; | ||
627 | if (w_dfp < 0 && argc > c && is_intnonneg (argv[c])) | ||
628 | w_dfp = (100.0 - atof (argv[c++])); | ||
629 | |||
630 | if (c_dfp < 0 && argc > c && is_intnonneg (argv[c])) | ||
631 | c_dfp = (100.0 - atof (argv[c++])); | ||
632 | |||
633 | if (argc > c && path == NULL) { | ||
634 | se = (struct name_list *) malloc (sizeof (struct name_list)); | ||
635 | se->name = strdup (argv[c++]); | ||
636 | se->name_next = NULL; | ||
637 | se->w_df = w_df; | ||
638 | se->c_df = c_df; | ||
639 | se->w_dfp = w_dfp; | ||
640 | se->c_dfp = c_dfp; | ||
641 | se->w_idfp = w_idfp; | ||
642 | se->c_idfp = c_idfp; | ||
643 | se->found =0; | ||
644 | se->foundexact = 0; | ||
645 | se->found_len = 0; | ||
646 | se->exclude = 0; | ||
647 | *pathtail = se; | ||
648 | } | ||
649 | |||
650 | if (path_select_list) { | ||
651 | temp_list = path_select_list; | ||
652 | stat_buf = malloc(sizeof *stat_buf); | ||
653 | while (temp_list) { | ||
654 | /* Stat each entry to check that dir exists */ | ||
655 | if (stat (temp_list->name, &stat_buf[0])) { | ||
656 | printf("DISK %s - ", _("CRITICAL")); | ||
657 | die (STATE_CRITICAL, _("%s does not exist\n"), temp_list->name); | ||
658 | } | ||
659 | if (validate_arguments (temp_list->w_df, | ||
660 | temp_list->c_df, | ||
661 | temp_list->w_dfp, | ||
662 | temp_list->c_dfp, | ||
663 | temp_list->w_idfp, | ||
664 | temp_list->c_idfp, | ||
665 | temp_list->name) == ERROR) | ||
666 | result = ERROR; | ||
667 | temp_list = temp_list->name_next; | ||
668 | } | ||
669 | free(stat_buf); | ||
670 | return result; | ||
671 | } else { | ||
672 | return validate_arguments (w_df, c_df, w_dfp, c_dfp, w_idfp, c_idfp, NULL); | ||
673 | } | ||
674 | } | ||
675 | |||
676 | |||
677 | |||
678 | void | ||
679 | print_path (const char *mypath) | ||
680 | { | ||
681 | if (mypath == NULL) | ||
682 | printf ("\n"); | ||
683 | else | ||
684 | printf (_(" for %s\n"), mypath); | ||
685 | |||
686 | return; | ||
687 | } | ||
688 | |||
689 | |||
690 | |||
691 | int | ||
692 | validate_arguments (uintmax_t w, uintmax_t c, double wp, double cp, double iwp, double icp, char *mypath) | ||
693 | { | ||
694 | if (w < 0 && c < 0 && wp < 0.0 && cp < 0.0) { | ||
695 | printf (_("INPUT ERROR: No thresholds specified")); | ||
696 | print_path (mypath); | ||
697 | return ERROR; | ||
698 | } | ||
699 | else if ((wp >= 0.0 || cp >= 0.0) && | ||
700 | (wp < 0.0 || cp < 0.0 || wp > 100.0 || cp > 100.0 || cp > wp)) { | ||
701 | printf (_("\ | ||
702 | INPUT ERROR: C_DFP (%f) should be less than W_DFP (%.1f) and both should be between zero and 100 percent, inclusive"), | ||
703 | cp, wp); | ||
704 | print_path (mypath); | ||
705 | return ERROR; | ||
706 | } | ||
707 | else if ((iwp >= 0.0 || icp >= 0.0) && | ||
708 | (iwp < 0.0 || icp < 0.0 || iwp > 100.0 || icp > 100.0 || icp > iwp)) { | ||
709 | printf (_("\ | ||
710 | INPUT ERROR: C_IDFP (%f) should be less than W_IDFP (%.1f) and both should be between zero and 100 percent, inclusive"), | ||
711 | icp, iwp); | ||
712 | print_path (mypath); | ||
713 | return ERROR; | ||
714 | } | ||
715 | else if ((w > 0 || c > 0) && (w == 0 || c == 0 || c > w)) { | ||
716 | printf (_("\ | ||
717 | INPUT ERROR: C_DF (%lu) should be less than W_DF (%lu) and both should be greater than zero"), | ||
718 | (unsigned long)c, (unsigned long)w); | ||
719 | print_path (mypath); | ||
720 | return ERROR; | ||
721 | } | ||
722 | |||
723 | if (units == NULL) { | ||
724 | units = strdup ("MB"); | ||
725 | mult = (uintmax_t)1024 * 1024; | ||
726 | } | ||
727 | return OK; | ||
728 | } | ||
729 | |||
730 | |||
731 | |||
732 | int | ||
733 | |||
734 | check_disk (double usp, uintmax_t free_disk, double uisp) | ||
735 | { | ||
736 | int result = STATE_UNKNOWN; | ||
737 | /* check the percent used space against thresholds */ | ||
738 | if (usp >= 0.0 && c_dfp >=0.0 && usp >= (100.0 - c_dfp)) | ||
739 | result = STATE_CRITICAL; | ||
740 | else if (uisp >= 0.0 && c_idfp >=0.0 && uisp >= (100.0 - c_idfp)) | ||
741 | result = STATE_CRITICAL; | ||
742 | else if (c_df > 0 && free_disk <= c_df) | ||
743 | result = STATE_CRITICAL; | ||
744 | else if (usp >= 0.0 && w_dfp >=0.0 && usp >= (100.0 - w_dfp)) | ||
745 | result = STATE_WARNING; | ||
746 | else if (uisp >= 0.0 && w_idfp >=0.0 && uisp >= (100.0 - w_idfp)) | ||
747 | result = STATE_WARNING; | ||
748 | else if (w_df > 0 && free_disk <= w_df) | ||
749 | result = STATE_WARNING; | ||
750 | else if (usp >= 0.0) | ||
751 | result = STATE_OK; | ||
752 | return result; | ||
753 | } | ||
754 | |||
755 | |||
756 | |||
757 | int | ||
758 | walk_name_list (struct name_list *list, const char *name) | ||
759 | { | ||
760 | int foundexact = FALSE, foundmatch = FALSE; | ||
761 | int name_len; | ||
762 | name_len = strlen(name); | ||
763 | while (list) { | ||
764 | int list_name_len; | ||
765 | list_name_len = strlen(list->name); | ||
766 | if ((list->exclude == 1 && name_len == list_name_len && strncmp(list->name, name, list_name_len-1) == 0) || | ||
767 | (list->foundexact == 0 && list->exclude == 0 && name_len < list_name_len && strncmp(list->name, name, name_len-1) == 0) || | ||
768 | (list->exclude == 0 && name_len == list_name_len && strncmp(list->name, name, name_len-1) == 0) || | ||
769 | (list->exclude == 2 && name_len >= list_name_len && strncmp(list->name, name, list_name_len-1) == 0)) { | ||
770 | /* Set to -1 for now to note it was a potential match. If an EXACT match is found later, | ||
771 | then reset this found to 0. If not, set it to 1. */ | ||
772 | list->found = -1; | ||
773 | list->found_len = name_len; | ||
774 | /* Grab the longest string length that is not being excluded in order to format HTML properly */ | ||
775 | if (name_len > longest_length && list->exclude == 0) {longest_length = name_len;} | ||
776 | /* if required for name_lists that have not saved w_df, etc (eg exclude lists) */ | ||
777 | if (list->w_df) w_df = list->w_df; | ||
778 | if (list->c_df) c_df = list->c_df; | ||
779 | if (list->w_dfp>=0.0) w_dfp = list->w_dfp; | ||
780 | if (list->c_dfp>=0.0) c_dfp = list->c_dfp; | ||
781 | if (name_len == list_name_len) { | ||
782 | foundexact=TRUE; | ||
783 | list->foundexact = TRUE; | ||
784 | list->found = 1; | ||
785 | } | ||
786 | foundmatch = TRUE; | ||
787 | } | ||
788 | list = list->name_next; | ||
789 | } | ||
790 | /* Traverse the list again to reset the found variable properly */ | ||
791 | while (list) { | ||
792 | if (list->found == -1 && foundexact == TRUE) list->found = 0; | ||
793 | if (list->found == -1 && foundexact == FALSE) list->found =1; | ||
794 | list = list->name_next; | ||
795 | printf("tried "); | ||
796 | } | ||
797 | return foundmatch; | ||
798 | } | ||
799 | |||
800 | |||
801 | |||
802 | void | ||
803 | print_help (void) | ||
804 | { | ||
805 | print_revision (progname, revision); | ||
806 | |||
807 | printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n"); | ||
808 | printf (COPYRIGHT, copyright, email); | ||
809 | |||
810 | printf (_("This plugin checks the amount of used disk space on a mounted file system")); | ||
811 | printf (_("and generates an alert if free space is less than one of the threshold values")); | ||
812 | |||
813 | printf ("\n\n"); | ||
814 | |||
815 | print_usage (); | ||
816 | |||
817 | printf (_(UT_HELP_VRSN)); | ||
818 | |||
819 | printf (" %s\n", "-w, --warning=INTEGER"); | ||
820 | printf (" %s\n", _("Exit with WARNING status if less than INTEGER units of disk are free")); | ||
821 | printf (" %s\n", "-w, --warning=PERCENT%"); | ||
822 | printf (" %s\n", _("Exit with WARNING status if less than PERCENT of disk space is free")); | ||
823 | printf (" %s\n", "-W, --iwarning=PERCENT%"); | ||
824 | printf (" %s\n", _("Exit with WARNING status if less than PERCENT of inode space is free")); | ||
825 | printf (" %s\n", "-K, --icritical=PERCENT%"); | ||
826 | printf (" %s\n", _("Exit with CRITICAL status if less than PERCENT of inode space is free")); | ||
827 | printf (" %s\n", "-c, --critical=INTEGER"); | ||
828 | printf (" %s\n", _("Exit with CRITICAL status if less than INTEGER units of disk are free")); | ||
829 | printf (" %s\n", "-c, --critical=PERCENT%"); | ||
830 | printf (" %s\n", _("Exit with CRITCAL status if less than PERCENT of disk space is free")); | ||
831 | printf (" %s\n", "-C, --clear"); | ||
832 | printf (" %s\n", _("Clear thresholds")); | ||
833 | printf (" %s\n", "-u, --units=STRING"); | ||
834 | printf (" %s\n", _("Choose bytes, kB, MB, GB, TB (default: MB)")); | ||
835 | printf (" %s\n", "-k, --kilobytes"); | ||
836 | printf (" %s\n", _("Same as '--units kB'")); | ||
837 | printf (" %s\n", "-m, --megabytes"); | ||
838 | printf (" %s\n", _("Same as '--units MB'")); | ||
839 | printf (" %s\n", "-l, --local"); | ||
840 | printf (" %s\n", _("Only check local filesystems")); | ||
841 | printf (" %s\n", "-p, --path=PATH, --partition=PARTITION"); | ||
842 | printf (" %s\n", _("Path or partition (may be repeated)")); | ||
843 | printf (" %s\n", "-x, --exclude_device=PATH <STRING>"); | ||
844 | printf (" %s\n", _("Ignore device (only works if -p unspecified)")); | ||
845 | printf (" %s\n", "-s, --exclude_path=PATH <STRING>"); | ||
846 | printf (" %s\n", _("Ignore device (only works if -p unspecified)")); | ||
847 | printf (" %s\n", _("-X, --exclude-type=TYPE <STRING>")); | ||
848 | printf (" %s\n", _("Ignore all filesystems of indicated type (may be repeated)")); | ||
849 | printf (" %s\n", "-m, --mountpoint"); | ||
850 | printf (" %s\n", _("Display the mountpoint instead of the partition")); | ||
851 | printf (" %s\n", "-e, --errors-only"); | ||
852 | printf (" %s\n", _("Display only devices/mountpoints with errors")); | ||
853 | printf (" %s\n", "-H, --html"); | ||
854 | printf (" %s\n", _("Output in HTML format")); | ||
855 | printf (" %s\n", "-U, --used"); | ||
856 | printf (" %s\n", _("Output percentage of space/inodes used rather than free")); | ||
857 | printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT); | ||
858 | printf (_(UT_VERBOSE)); | ||
859 | printf ("\n"); | ||
860 | printf ("%s\n", _("Examples:")); | ||
861 | printf (" %s\n", "check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /"); | ||
862 | printf (" %s\n", _("Checks /tmp and /var at 10% and 5%, and / at 100MB and 50MB")); | ||
863 | printf (_(UT_SUPPORT)); | ||
864 | } | ||
865 | |||
866 | |||
867 | |||
868 | void | ||
869 | print_usage (void) | ||
870 | { | ||
871 | printf (_("Usage:")); | ||
872 | printf (" %s -w limit -c limit [-p path | -x device | -s path] [-t timeout]", progname); | ||
873 | printf ("[-m] [-e] [-W limit] [-K limit] [-H] [-U] [-v] [-q]\n"); | ||
874 | } | ||