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Fix check_disk reporting OK if disk usage grows over 100% (bug #1348746).

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git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1848 f882894a-f735-0410-b71e-b25c423dba1c
This commit is contained in:
Thomas Guyot-Sionnest 2007-12-08 16:34:05 +00:00
parent ee748cd343
commit dbc22e1acd
2 changed files with 10 additions and 1 deletions
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2
NEWS
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@ -13,6 +13,8 @@ This file documents the major additions and syntax changes between releases.
Merge two new checks that deprecates check_ntp: check_ntp_peer and check_ntp_time.
You should read the --help output so see which one is suitable for you. check_ntp_peer
implement stratum thresholds support (feature request #1703823).
Fix check_disk reporting OK if disk usage grows over 100% (bug #1348746).
The problem happens to be in Gnulib but a workaround have been implemented in check_disk.c
1.4.10 28th September 2007
Fix check_http buffer overflow vulnerability when following HTTP redirects

9
plugins/check_disk.c
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@ -307,10 +307,17 @@ main (int argc, char **argv)
if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
total = fsp.fsu_blocks;
available = fsp.fsu_bavail;
/* 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) */
available = fsp.fsu_bavail > fsp.fsu_bfree ? 0 : fsp.fsu_bavail;
available_to_root = fsp.fsu_bfree;
used = total - available_to_root;
if (verbose >= 3)
printf ("For %s, total=%llu, available=%llu, available_to_root=%llu, used=%llu, fsp.fsu_files=%llu, fsp.fsu_ffree=%llu\n",
me->me_mountdir, total, available, available_to_root, used, fsp.fsu_files, fsp.fsu_ffree);
dused_pct = calculate_percent( used, used + available ); /* used + available can never be > uintmax */
dfree_pct = 100 - dused_pct;