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-rw-r--r--plugins/check_disk.c226
1 files changed, 119 insertions, 107 deletions
diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index b0b0d2a5..7feb5a57 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -35,80 +35,6 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
# include <limits.h>
#endif
-void
-print_usage (void)
-{
- printf (_("\
-Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e]\n\
- [-v] [-q]\n\
- %s (-h|--help)\n\
- %s (-V|--version)\n"),
- progname, progname, progname);
-}
-
-void
-print_help (void)
-{
- print_revision (progname, revision);
-
- printf (_(COPYRIGHT), copyright, email);
-
- printf (_("\
-This plugin checks the amount of used disk space on a mounted file system\n\
-and generates an alert if free space is less than one of the threshold values."));
-
- print_usage ();
-
- printf (_(UT_HELP_VRSN));
-
- printf (_("\
- -w, --warning=INTEGER\n\
- Exit with WARNING status if less than INTEGER kilobytes of disk are free\n\
- -w, --warning=PERCENT%%\n\
- Exit with WARNING status if less than PERCENT of disk space is free\n\
- -c, --critical=INTEGER\n\
- Exit with CRITICAL status if less than INTEGER kilobytes of disk are free\n\
- -c, --critical=PERCENT%%\n\
- Exit with CRITCAL status if less than PERCENT of disk space is free\n\
- -C, --clear\n\
- Clear thresholds\n"));
-
- printf (_("\
- -u, --units=STRING\n\
- Choose bytes, kB, MB, GB, TB (default: MB)\n\
- -k, --kilobytes\n\
- Same as '--units kB'\n\
- -m, --megabytes\n\
- Same as '--units MB'\n"));
-
- printf (_("\
- -l, --local\n\
- Only check local filesystems\n\
- -p, --path=PATH, --partition=PARTITION\n\
- Path or partition (may be repeated)\n\
- -x, --exclude_device=PATH <STRING>\n\
- Ignore device (only works if -p unspecified)\n\
- -X, --exclude-type=TYPE <STRING>\n\
- Ignore all filesystems of indicated type (may be repeated)\n\
- -M, --mountpoint\n\
- Display the mountpoint instead of the partition\n\
- -e, --errors-only\n\
- Display only devices/mountpoints with errors\n"));
-
- printf (_(UT_WARN_CRIT));
-
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
-
- printf (_(UT_VERBOSE));
-
- printf ("%s", _("Examples:\n\
- check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /\n\
- Checks /tmp and /var at 10%,5% and / at 100MB, 50MB\n"));
-
- support ();
-}
-
-
/* If nonzero, show inode information. */
/* static int inode_format; */
@@ -135,8 +61,8 @@ struct name_list
{
char *name;
int found;
- int w_df;
- int c_df;
+ uintmax_t w_df;
+ uintmax_t c_df;
double w_dfp;
double c_dfp;
struct name_list *name_next;
@@ -183,18 +109,21 @@ enum
#endif
int process_arguments (int, char **);
-int validate_arguments (int, int, double, double, char *);
-int check_disk (int usp, int free_disk);
+void print_path (char *mypath);
+int validate_arguments (uintmax_t, uintmax_t, double, double, char *);
+int check_disk (int usp, uintmax_t free_disk);
int walk_name_list (struct name_list *list, const char *name);
+void print_help (void);
+void print_usage (void);
-int w_df = -1;
-int c_df = -1;
+uintmax_t w_df = 0;
+uintmax_t c_df = 0;
double w_dfp = -1.0;
double c_dfp = -1.0;
char *path = "";
char *exclude_device = "";
-char *units = "MB";
-unsigned long mult = 1024 * 1024;
+char *units = NULL;
+uintmax_t mult = 1024 * 1024;
int verbose = 0;
int erronly = FALSE;
int display_mntp = FALSE;
@@ -202,10 +131,12 @@ int display_mntp = FALSE;
/* Linked list of mounted filesystems. */
static struct mount_entry *mount_list;
+
+
int
main (int argc, char **argv)
{
- int usp = -1;
+ double usp = -1.0;
int result = STATE_UNKNOWN;
int disk_result = STATE_UNKNOWN;
char file_system[MAX_INPUT_BUFFER];
@@ -244,7 +175,7 @@ main (int argc, char **argv)
get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
- usp = (fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
+ usp = (double)(fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
disk_result = check_disk (usp, fsp.fsu_bavail);
result = max_state (disk_result, result);
if (disk_result==STATE_OK && erronly && !verbose)
@@ -364,7 +295,7 @@ process_arguments (int argc, char **argv)
}
else if (strpbrk (optarg, ",:") &&
strstr (optarg, "%") &&
- sscanf (optarg, "%d%*[:,]%lf%%", &w_df, &w_dfp) == 2) {
+ sscanf (optarg, "%ul%*[:,]%lf%%", &w_df, &w_dfp) == 2) {
break;
}
else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &w_dfp) == 1) {
@@ -380,7 +311,7 @@ process_arguments (int argc, char **argv)
}
else if (strpbrk (optarg, ",:") &&
strstr (optarg, "%") &&
- sscanf (optarg, "%d%*[,:]%lf%%", &c_df, &c_dfp) == 2) {
+ sscanf (optarg, "%ul%*[,:]%lf%%", &c_df, &c_dfp) == 2) {
break;
}
else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &c_dfp) == 1) {
@@ -391,19 +322,19 @@ process_arguments (int argc, char **argv)
}
case 'u':
if (! strcmp (optarg, "bytes")) {
- mult = 1;
+ mult = (uintmax_t)1;
units = "B";
} else if (! strcmp (optarg, "kB")) {
- mult = 1024;
+ mult = (uintmax_t)1024;
units = "kB";
} else if (! strcmp (optarg, "MB")) {
- mult = 1024 * 1024;
+ mult = (uintmax_t)1024 * 1024;
units = "MB";
} else if (! strcmp (optarg, "GB")) {
- mult = 1024 * 1024 * 1024;
+ mult = (uintmax_t)1024 * 1024 * 1024;
units = "GB";
} else if (! strcmp (optarg, "TB")) {
- mult = (unsigned long)1024 * 1024 * 1024 * 1024;
+ mult = (uintmax_t)1024 * 1024 * 1024 * 1024;
units = "TB";
} else {
die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg);
@@ -458,8 +389,8 @@ process_arguments (int argc, char **argv)
display_mntp = TRUE;
break;
case 'C':
- w_df = -1;
- c_df = -1;
+ w_df = 0;
+ c_df = 0;
w_dfp = -1.0;
c_dfp = -1.0;
break;
@@ -477,10 +408,10 @@ process_arguments (int argc, char **argv)
/* Support for "check_disk warn crit [fs]" with thresholds at used level */
c = optind;
- if (w_dfp == -1 && argc > c && is_intnonneg (argv[c]))
+ if (w_dfp < 0 && argc > c && is_intnonneg (argv[c]))
w_dfp = (100.0 - atof (argv[c++]));
- if (c_dfp == -1 && argc > c && is_intnonneg (argv[c]))
+ if (c_dfp < 0 && argc > c && is_intnonneg (argv[c]))
c_dfp = (100.0 - atof (argv[c++]));
if (argc > c && strlen (path) == 0) {
@@ -520,9 +451,9 @@ void print_path (char *mypath)
}
int
-validate_arguments (int w, int c, double wp, double cp, char *mypath)
+validate_arguments (uintmax_t w, uintmax_t c, double wp, double cp, char *mypath)
{
- if (w < 0 && c < 0 && wp < 0.0 && cp < 0.0) {
+ if (w == 0 && c == 0 && wp < 0.0 && cp < 0.0) {
printf (_("INPUT ERROR: No thresholds specified"));
print_path (mypath);
return ERROR;
@@ -535,10 +466,10 @@ INPUT ERROR: C_DFP (%f) should be less than W_DFP (%.1f) and both should be betw
print_path (path);
return ERROR;
}
- else if ((w > 0 || c > 0) && (w < 0 || c < 0 || c > w)) {
+ else if ((w > 0 || c > 0) && (w == 0 || c == 0 || c > w)) {
printf (_("\
-INPUT ERROR: C_DF (%d) should be less than W_DF (%d) and both should be greater than zero"),
- c, w);
+INPUT ERROR: C_DF (%lu) should be less than W_DF (%lu) and both should be greater than zero"),
+ (unsigned long)c, (unsigned long)w);
print_path (path);
return ERROR;
}
@@ -551,17 +482,17 @@ INPUT ERROR: C_DF (%d) should be less than W_DF (%d) and both should be greater
int
-check_disk (int usp, int free_disk)
+check_disk (int usp, uintmax_t free_disk)
{
int result = STATE_UNKNOWN;
/* check the percent used space against thresholds */
- if (usp >= 0 && usp >= (100.0 - c_dfp))
+ if (usp >= 0.0 && usp >= (100.0 - c_dfp))
result = STATE_CRITICAL;
- else if (c_df >= 0 && free_disk <= c_df)
+ else if (c_df > 0 && free_disk <= c_df)
result = STATE_CRITICAL;
- else if (usp >= 0 && usp >= (100.0 - w_dfp))
+ else if (usp >= 0.0 && usp >= (100.0 - w_dfp))
result = STATE_WARNING;
- else if (w_df >= 0 && free_disk <= w_df)
+ else if (w_df > 0 && free_disk <= w_df)
result = STATE_WARNING;
else if (usp >= 0.0)
result = STATE_OK;
@@ -579,11 +510,92 @@ walk_name_list (struct name_list *list, const char *name)
/* if required for name_lists that have not saved w_df, etc (eg exclude lists) */
if (list->w_df) w_df = list->w_df;
if (list->c_df) c_df = list->c_df;
- if (list->w_dfp) w_dfp = list->w_dfp;
- if (list->c_dfp) c_dfp = list->c_dfp;
+ if (list->w_dfp>=0.0) w_dfp = list->w_dfp;
+ if (list->c_dfp>=0.0) c_dfp = list->c_dfp;
return TRUE;
}
list = list->name_next;
}
return FALSE;
}
+
+
+
+
+
+
+void
+print_help (void)
+{
+ print_revision (progname, revision);
+
+ printf (_(COPYRIGHT), copyright, email);
+
+ printf (_("\
+This plugin checks the amount of used disk space on a mounted file system\n\
+and generates an alert if free space is less than one of the threshold values."));
+
+ print_usage ();
+
+ printf (_(UT_HELP_VRSN));
+
+ printf (_("\
+ -w, --warning=INTEGER\n\
+ Exit with WARNING status if less than INTEGER kilobytes of disk are free\n\
+ -w, --warning=PERCENT%%\n\
+ Exit with WARNING status if less than PERCENT of disk space is free\n\
+ -c, --critical=INTEGER\n\
+ Exit with CRITICAL status if less than INTEGER kilobytes of disk are free\n\
+ -c, --critical=PERCENT%%\n\
+ Exit with CRITCAL status if less than PERCENT of disk space is free\n\
+ -C, --clear\n\
+ Clear thresholds\n"));
+
+ printf (_("\
+ -u, --units=STRING\n\
+ Choose bytes, kB, MB, GB, TB (default: MB)\n\
+ -k, --kilobytes\n\
+ Same as '--units kB'\n\
+ -m, --megabytes\n\
+ Same as '--units MB'\n"));
+
+ printf (_("\
+ -l, --local\n\
+ Only check local filesystems\n\
+ -p, --path=PATH, --partition=PARTITION\n\
+ Path or partition (may be repeated)\n\
+ -x, --exclude_device=PATH <STRING>\n\
+ Ignore device (only works if -p unspecified)\n\
+ -X, --exclude-type=TYPE <STRING>\n\
+ Ignore all filesystems of indicated type (may be repeated)\n\
+ -M, --mountpoint\n\
+ Display the mountpoint instead of the partition\n\
+ -e, --errors-only\n\
+ Display only devices/mountpoints with errors\n"));
+
+ printf (_(UT_WARN_CRIT));
+
+ printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+
+ printf (_(UT_VERBOSE));
+
+ printf ("%s", _("Examples:\n\
+ check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /\n\
+ Checks /tmp and /var at 10%,5% and / at 100MB, 50MB\n"));
+
+ support ();
+}
+
+
+
+
+void
+print_usage (void)
+{
+ printf (_("\
+Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e]\n\
+ [-v] [-q]\n\
+ %s (-h|--help)\n\
+ %s (-V|--version)\n"),
+ progname, progname, progname);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 07:29:11 +0000