Merge branch 'master' into fix/shellcheck

1 files changed, 149 insertions, 84 deletions

diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index e73a0083..54befcad 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -1,29 +1,29 @@
 /*****************************************************************************
-* 
+*
 * Monitoring check_disk plugin
-* 
+*
 * License: GPL
 * Copyright (c) 1999-2008 Monitoring Plugins Development Team
-* 
+*
 * Description:
-* 
+*
 * This file contains the check_disk plugin
-* 
-* 
+*
+*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
-* 
+*
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
-* 
+*
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-* 
-* 
+*
+*
 *****************************************************************************/
 
 const char *progname = "check_disk";
@@ -46,7 +46,7 @@ const char *email = "devel@monitoring-plugins.org";
 #include <stdarg.h>
 #include "fsusage.h"
 #include "mountlist.h"
-#include "intprops.h"   /* necessary for TYPE_MAXIMUM */
+#include "intprops.h"    /* necessary for TYPE_MAXIMUM */
 #if HAVE_LIMITS_H
 # include <limits.h>
 #endif
@@ -141,6 +141,7 @@ int erronly = FALSE;
 int display_mntp = FALSE;
 int exact_match = FALSE;
 int freespace_ignore_reserved = FALSE;
+int display_inodes_perfdata = FALSE;
 char *warn_freespace_units = NULL;
 char *crit_freespace_units = NULL;
 char *warn_freespace_percent = NULL;
@@ -167,11 +168,10 @@ main (int argc, char **argv)
   char *output;
   char *details;
   char *perf;
+  char *perf_ilabel;
   char *preamble;
   char *flag_header;
   double inode_space_pct;
-  double warning_high_tide;
-  double critical_high_tide;
   int temp_result;
 
   struct mount_entry *me;
@@ -186,6 +186,7 @@ main (int argc, char **argv)
   output = strdup ("");
   details = strdup ("");
   perf = strdup ("");
+  perf_ilabel = strdup ("");
   stat_buf = malloc(sizeof *stat_buf);
 
   setlocale (LC_ALL, "");
@@ -242,17 +243,17 @@ main (int argc, char **argv)
 
 #ifdef __CYGWIN__
     if (strncmp(path->name, "/cygdrive/", 10) != 0 || strlen(path->name) > 11)
-            continue;
+        continue;
     snprintf(mountdir, sizeof(mountdir), "%s:\\", me->me_mountdir + 10);
     if (GetDriveType(mountdir) != DRIVE_FIXED)
-            me->me_remote = 1;
+        me->me_remote = 1;
 #endif
     /* Filters */
 
     /* Remove filesystems already seen */
     if (np_seen_name(seen, me->me_mountdir)) {
       continue;
-    } 
+    }
     np_add_name(&seen, me->me_mountdir);
 
     if (path->group == NULL) {
@@ -285,8 +286,17 @@ main (int argc, char **argv)
       get_stats (path, &fsp);
 
       if (verbose >= 3) {
-        printf ("For %s, used_pct=%g free_pct=%g used_units=%g free_units=%g total_units=%g used_inodes_pct=%g free_inodes_pct=%g fsp.fsu_blocksize=%llu mult=%llu\n",
-          me->me_mountdir, path->dused_pct, path->dfree_pct, path->dused_units, path->dfree_units, path->dtotal_units, path->dused_inodes_percent, path->dfree_inodes_percent, fsp.fsu_blocksize, mult);
+        printf ("For %s, used_pct=%g free_pct=%g used_units=%llu free_units=%llu total_units=%llu used_inodes_pct=%g free_inodes_pct=%g fsp.fsu_blocksize=%llu mult=%llu\n",
+                me->me_mountdir,
+                path->dused_pct,
+                path->dfree_pct,
+                path->dused_units,
+                path->dfree_units,
+                path->dtotal_units,
+                path->dused_inodes_percent,
+                path->dfree_inodes_percent,
+                fsp.fsu_blocksize,
+                mult);
       }
 
       /* Threshold comparisons */
@@ -323,54 +333,79 @@ main (int argc, char **argv)
       */
 
       /* *_high_tide must be reinitialized at each run */
-      warning_high_tide = UINT_MAX;
-      critical_high_tide = UINT_MAX;
+      uint64_t warning_high_tide = UINT64_MAX;
 
       if (path->freespace_units->warning != NULL) {
-        warning_high_tide = path->dtotal_units - path->freespace_units->warning->end;
+        warning_high_tide = (path->dtotal_units - path->freespace_units->warning->end) * mult;
       }
       if (path->freespace_percent->warning != NULL) {
-        warning_high_tide = abs( min( (double) warning_high_tide, (double) (1.0 - path->freespace_percent->warning->end/100)*path->dtotal_units ));
+        warning_high_tide = min( warning_high_tide, (uint64_t)((1.0 - path->freespace_percent->warning->end/100) * (path->dtotal_units * mult)) );
       }
+
+      uint64_t critical_high_tide = UINT64_MAX;
+
       if (path->freespace_units->critical != NULL) {
-        critical_high_tide = path->dtotal_units - path->freespace_units->critical->end;
+        critical_high_tide = (path->dtotal_units - path->freespace_units->critical->end) * mult;
       }
       if (path->freespace_percent->critical != NULL) {
-        critical_high_tide = abs( min( (double) critical_high_tide, (double) (1.0 - path->freespace_percent->critical->end/100)*path->dtotal_units ));
+        critical_high_tide = min( critical_high_tide, (uint64_t)((1.0 - path->freespace_percent->critical->end/100) * (path->dtotal_units * mult)) );
       }
 
-      /* Nb: *_high_tide are unset when == UINT_MAX */
+      /* Nb: *_high_tide are unset when == UINT64_MAX */
       xasprintf (&perf, "%s %s", perf,
-                perfdata ((!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
-                          path->dused_units, units,
-                          (warning_high_tide != UINT_MAX ? TRUE : FALSE), warning_high_tide,
-                          (critical_high_tide != UINT_MAX ? TRUE : FALSE), critical_high_tide,
-                          TRUE, 0,
-                          TRUE, path->dtotal_units));
+              perfdata_uint64 (
+                  (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
+                  path->dused_units * mult, "B",
+                  (warning_high_tide == UINT64_MAX ? FALSE : TRUE), warning_high_tide,
+                  (critical_high_tide == UINT64_MAX ? FALSE : TRUE), critical_high_tide,
+                  TRUE, 0,
+                  TRUE, path->dtotal_units * mult));
+
+      if (display_inodes_perfdata) {
+        /* *_high_tide must be reinitialized at each run */
+        warning_high_tide = UINT64_MAX;
+        critical_high_tide = UINT64_MAX;
+
+        if (path->freeinodes_percent->warning != NULL) {
+          warning_high_tide = llabs( min( (double) warning_high_tide, (double) (1.0 - path->freeinodes_percent->warning->end/100)*path->inodes_total ));
+        }
+        if (path->freeinodes_percent->critical != NULL) {
+          critical_high_tide = llabs( min( (double) critical_high_tide, (double) (1.0 - path->freeinodes_percent->critical->end/100)*path->inodes_total ));
+        }
+
+        xasprintf (&perf_ilabel, "%s (inodes)", (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir);
+        /* Nb: *_high_tide are unset when == UINT64_MAX */
+        xasprintf (&perf, "%s %s", perf,
+                perfdata_uint64 (perf_ilabel,
+                    path->inodes_used, "",
+                    (warning_high_tide != UINT64_MAX ? TRUE : FALSE), warning_high_tide,
+                    (critical_high_tide != UINT64_MAX ? TRUE : FALSE), critical_high_tide,
+                    TRUE, 0,
+                    TRUE, path->inodes_total));
+      }
 
       if (disk_result==STATE_OK && erronly && !verbose)
         continue;
 
-      if(disk_result && verbose >= 1) {
-        xasprintf(&flag_header, " %s [", state_text (disk_result));
-      } else {
-        xasprintf(&flag_header, "");
-      }
-      xasprintf (&output, "%s%s %s %.0f %s (%.0f%%",
-                output, flag_header,
-                (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
-                path->dfree_units,
-                units,
-                path->dfree_pct);
-      if (path->dused_inodes_percent < 0) {
-        xasprintf(&output, "%s inode=-)%s;", output, (disk_result ? "]" : ""));
-      } else {
-        xasprintf(&output, "%s inode=%.0f%%)%s;", output, path->dfree_inodes_percent, ((disk_result && verbose >= 1) ? "]" : ""));
-      }
+          if(disk_result && verbose >= 1) {
+                  xasprintf(&flag_header, " %s [", state_text (disk_result));
+          } else {
+                  xasprintf(&flag_header, "");
+          }
+          xasprintf (&output, "%s%s %s %llu%s (%.0f%%",
+                          output, flag_header,
+                          (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
+                          path->dfree_units,
+                          units,
+                          path->dfree_pct);
+          if (path->dused_inodes_percent < 0) {
+                  xasprintf(&output, "%s inode=-)%s;", output, (disk_result ? "]" : ""));
+          } else {
+                  xasprintf(&output, "%s inode=%.0f%%)%s;", output, path->dfree_inodes_percent, ((disk_result && verbose >= 1) ? "]" : ""));
+          }
       free(flag_header);
       /* TODO: Need to do a similar debug line
-      xasprintf (&details, _("%s\n\
-%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
+      xasprintf (&details, _("%s\n\%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
                 details, dfree_units, dtotal_units, units, dfree_pct, inode_space_pct,
                 me->me_devname, me->me_type, me->me_mountdir,
                 (unsigned long)w_df, (unsigned long)c_df, w_dfp, c_dfp);
@@ -455,6 +490,7 @@ process_arguments (int argc, char **argv)
     {"ignore-eregi-partition", required_argument, 0, 'I'},
     {"local", no_argument, 0, 'l'},
     {"stat-remote-fs", no_argument, 0, 'L'},
+    {"iperfdata", no_argument, 0, 'P'},
     {"mountpoint", no_argument, 0, 'M'},
     {"errors-only", no_argument, 0, 'e'},
     {"exact-match", no_argument, 0, 'E'},
@@ -477,7 +513,7 @@ process_arguments (int argc, char **argv)
       strcpy (argv[c], "-t");
 
   while (1) {
-    c = getopt_long (argc, argv, "+?VqhvefCt:c:w:K:W:u:p:x:X:N:mklLg:R:r:i:I:MEA", longopts, &option);
+    c = getopt_long (argc, argv, "+?VqhvefCt:c:w:K:W:u:p:x:X:N:mklLPg:R:r:i:I:MEA", longopts, &option);
 
     if (c == -1 || c == EOF)
       break;
@@ -530,14 +566,14 @@ process_arguments (int argc, char **argv)
       }
       break;
 
-    case 'W':                   /* warning inode threshold */
+    case 'W':            /* warning inode threshold */
       if (*optarg == '@') {
         warn_freeinodes_percent = optarg;
       } else {
         xasprintf(&warn_freeinodes_percent, "@%s", optarg);
       }
       break;
-    case 'K':                   /* critical inode threshold */
+    case 'K':            /* critical inode threshold */
       if (*optarg == '@') {
         crit_freeinodes_percent = optarg;
       } else {
@@ -547,21 +583,24 @@ process_arguments (int argc, char **argv)
     case 'u':
       if (units)
         free(units);
-      if (! strcmp (optarg, "bytes")) {
+      if (! strcasecmp (optarg, "bytes")) {
         mult = (uintmax_t)1;
         units = strdup ("B");
-      } else if (! strcmp (optarg, "kB")) {
+      } else if ( (! strcmp (optarg, "kB")) || (!strcmp(optarg, "KiB")) ) {
         mult = (uintmax_t)1024;
-        units = strdup ("kB");
-      } else if (! strcmp (optarg, "MB")) {
+        units = strdup ("kiB");
+      } else if ( (! strcmp (optarg, "MB")) || (!strcmp(optarg, "MiB")) )  {
         mult = (uintmax_t)1024 * 1024;
-        units = strdup ("MB");
-      } else if (! strcmp (optarg, "GB")) {
+        units = strdup ("MiB");
+      } else if ( (! strcmp (optarg, "GB")) || (!strcmp(optarg, "GiB")) ) {
         mult = (uintmax_t)1024 * 1024 * 1024;
-        units = strdup ("GB");
-      } else if (! strcmp (optarg, "TB")) {
+        units = strdup ("GiB");
+      } else if ( (! strcmp (optarg, "TB")) || (!strcmp(optarg, "TiB")) ) {
         mult = (uintmax_t)1024 * 1024 * 1024 * 1024;
-        units = strdup ("TB");
+        units = strdup ("TiB");
+      } else if ( (! strcmp (optarg, "PB")) || (!strcmp(optarg, "PiB")) ) {
+        mult = (uintmax_t)1024 * 1024 * 1024 * 1024 * 1024;
+        units = strdup ("PiB");
       } else {
         die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg);
       }
@@ -572,19 +611,23 @@ process_arguments (int argc, char **argv)
       mult = 1024;
       if (units)
         free(units);
-      units = strdup ("kB");
+      units = strdup ("kiB");
       break;
     case 'm': /* display mountpoint */
       mult = 1024 * 1024;
       if (units)
         free(units);
-      units = strdup ("MB");
+      units = strdup ("MiB");
       break;
     case 'L':
       stat_remote_fs = 1;
+      /* fallthrough */
     case 'l':
       show_local_fs = 1;
       break;
+    case 'P':
+      display_inodes_perfdata = 1;
+      break;
     case 'p':                 /* select path */
       if (! (warn_freespace_units || crit_freespace_units || warn_freespace_percent ||
              crit_freespace_percent || warn_usedspace_units || crit_usedspace_units ||
@@ -781,7 +824,7 @@ process_arguments (int argc, char **argv)
   }
 
   if (units == NULL) {
-    units = strdup ("MB");
+    units = strdup ("MiB");
     mult = (uintmax_t)1024 * 1024;
   }
 
@@ -904,6 +947,8 @@ print_help (void)
   printf ("    %s\n", _("Display only devices/mountpoints with errors"));
   printf (" %s\n", "-f, --freespace-ignore-reserved");
   printf ("    %s\n", _("Don't account root-reserved blocks into freespace in perfdata"));
+  printf (" %s\n", "-P, --iperfdata");
+  printf ("    %s\n", _("Display inode usage in perfdata"));
   printf (" %s\n", "-g, --group=NAME");
   printf ("    %s\n", _("Group paths. Thresholds apply to (free-)space of all partitions together"));
   printf (" %s\n", "-k, --kilobytes");
@@ -993,50 +1038,59 @@ get_stats (struct parameter_list *p, struct fs_usage *fsp) {
       if (p_list->group && ! (strcmp(p_list->group, p->group))) {
         stat_path(p_list);
         get_fs_usage (p_list->best_match->me_mountdir, p_list->best_match->me_devname, &tmpfsp);
-        get_path_stats(p_list, &tmpfsp); 
+        get_path_stats(p_list, &tmpfsp);
         if (verbose >= 3)
-          printf("Group %s: adding %llu blocks sized %llu, (%s) used_units=%g free_units=%g total_units=%g fsu_blocksize=%llu mult=%llu\n",
-                 p_list->group, tmpfsp.fsu_bavail, tmpfsp.fsu_blocksize, p_list->best_match->me_mountdir, p_list->dused_units, p_list->dfree_units,
-                 p_list->dtotal_units, mult);
-
-        /* prevent counting the first FS of a group twice since its parameter_list entry 
+          printf("Group %s: adding %llu blocks sized %llu, (%s) used_units=%lu free_units=%llu total_units=%llu mult=%llu\n",
+                 p_list->group,
+                                 tmpfsp.fsu_blocks,
+                                 tmpfsp.fsu_blocksize,
+                                 p_list->best_match->me_mountdir,
+                                 p_list->dused_units,
+                                 p_list->dfree_units,
+                 p_list->dtotal_units,
+                                 mult);
+
+        /* prevent counting the first FS of a group twice since its parameter_list entry
          * is used to carry the information of all file systems of the entire group */
         if (! first) {
           p->total += p_list->total;
           p->available += p_list->available;
           p->available_to_root += p_list->available_to_root;
           p->used += p_list->used;
-            
+
           p->dused_units += p_list->dused_units;
           p->dfree_units += p_list->dfree_units;
           p->dtotal_units += p_list->dtotal_units;
           p->inodes_total += p_list->inodes_total;
           p->inodes_free  += p_list->inodes_free;
+          p->inodes_free_to_root  += p_list->inodes_free_to_root;
+          p->inodes_used  += p_list->inodes_used;
         }
         first = 0;
       }
-      if (verbose >= 3) 
-        printf("Group %s now has: used_units=%g free_units=%g total_units=%g fsu_blocksize=%llu mult=%llu\n",
-               p->group, tmpfsp.fsu_bavail, tmpfsp.fsu_blocksize, p->best_match->me_mountdir, p->dused_units,
-               p->dfree_units, p->dtotal_units, mult);
+      if (verbose >= 3)
+        printf("Group %s now has: used_units=%llu free_units=%llu total_units=%llu fsu_blocksize=%llu mult=%llu\n",
+               p->group,
+               p->dused_units,
+               p->dfree_units,
+               p->dtotal_units,
+               tmpfsp.fsu_blocksize,
+               mult);
     }
     /* modify devname and mountdir for output */
     p->best_match->me_mountdir = p->best_match->me_devname = p->group;
   }
   /* finally calculate percentages for either plain FS or summed up group */
-  p->dused_pct = calculate_percent( p->used, p->used + p->available );  /* used + available can never be > uintmax */
+  p->dused_pct = calculate_percent( p->used, p->used + p->available );    /* used + available can never be > uintmax */
   p->dfree_pct = 100 - p->dused_pct;
   p->dused_inodes_percent = calculate_percent(p->inodes_total - p->inodes_free, p->inodes_total);
   p->dfree_inodes_percent = 100 - p->dused_inodes_percent;
-  
+
 }
 
 void
 get_path_stats (struct parameter_list *p, struct fs_usage *fsp) {
-  /* 2007-12-08 - Workaround for Gnulib reporting insanely high available
-  * space on BSD (the actual value should be negative but fsp->fsu_bavail
-  * is unsigned) */
-  p->available = fsp->fsu_bavail > fsp->fsu_bfree ? 0 : fsp->fsu_bavail;
+  p->available = fsp->fsu_bavail;
   p->available_to_root = fsp->fsu_bfree;
   p->used = fsp->fsu_blocks - fsp->fsu_bfree;
   if (freespace_ignore_reserved) {
@@ -1046,11 +1100,22 @@ get_path_stats (struct parameter_list *p, struct fs_usage *fsp) {
     /* default behaviour : take all the blocks into account */
     p->total = fsp->fsu_blocks;
   }
-  
+
   p->dused_units = p->used*fsp->fsu_blocksize/mult;
   p->dfree_units = p->available*fsp->fsu_blocksize/mult;
   p->dtotal_units = p->total*fsp->fsu_blocksize/mult;
-  p->inodes_total = fsp->fsu_files;      /* Total file nodes. */
-  p->inodes_free  = fsp->fsu_ffree;      /* Free file nodes. */
+  /* Free file nodes. Not sure the workaround is required, but in case...*/
+  p->inodes_free  = fsp->fsu_favail > fsp->fsu_ffree ? 0 : fsp->fsu_favail;
+  p->inodes_free_to_root  = fsp->fsu_ffree; /* Free file nodes for root. */
+  p->inodes_used = fsp->fsu_files - fsp->fsu_ffree;
+  if (freespace_ignore_reserved) {
+    /* option activated : we substract the root-reserved inodes from the total */
+    /* not all OS report fsp->fsu_favail, only the ones with statvfs syscall */
+    /* for others, fsp->fsu_ffree == fsp->fsu_favail */
+    p->inodes_total = fsp->fsu_files - p->inodes_free_to_root + p->inodes_free;
+  } else {
+    /* default behaviour : take all the inodes into account */
+    p->inodes_total = fsp->fsu_files;
+  }
   np_add_name(&seen, p->best_match->me_mountdir);
 }