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check_users: Change option for sanity checking arguments to avoid segfault

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RincewindsHat 2023-10-31 01:47:26 +01:00
parent 77e38ac1c0
commit cff821257b
1 changed files with 9 additions and 4 deletions
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13
plugins/check_users.c
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@ -227,18 +227,23 @@ process_arguments (int argc, char **argv)
}
c = optind;
if (warning_range == NULL && argc > c)
warning_range = argv[c++];
if (critical_range == NULL && argc > c)
critical_range = argv[c++];
/* this will abort in case of invalid ranges */
set_thresholds (&thlds, warning_range, critical_range);
if (thlds->warning->end < 0)
usage4 (_("Warning threshold must be a positive integer"));
if (thlds->critical->end < 0)
usage4 (_("Critical threshold must be a positive integer"));
if (!thlds->warning) {
usage4 (_("Warning threshold must be a valid range expression"));
}
if (!thlds->critical) {
usage4 (_("Critical threshold must be a valid range expression"));
}
return OK;
}