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/*****************************************************************************
*
* Library for check_disk
*
* License: GPL
* Copyright (c) 1999-2007 Nagios Plugins Development Team
*
* Description:
*
* This file contains utilities for check_disk. These are tested by libtap
*
*
* 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/>.
*
*
*****************************************************************************/
#include "common.h"
#include "utils_disk.h"
void
np_add_name (struct name_list **list, const char *name)
{
struct name_list *new_entry;
new_entry = (struct name_list *) malloc (sizeof *new_entry);
new_entry->name = (char *) name;
new_entry->next = *list;
*list = new_entry;
}
/* Initialises a new parameter at the end of list */
struct parameter_list *
np_add_parameter(struct parameter_list **list, const char *name)
{
struct parameter_list *current = *list;
struct parameter_list *new_path;
new_path = (struct parameter_list *) malloc (sizeof *new_path);
new_path->name = (char *) name;
new_path->best_match = NULL;
new_path->name_next = NULL;
new_path->freespace_bytes = NULL;
new_path->freespace_units = NULL;
new_path->freespace_percent = NULL;
new_path->usedspace_bytes = NULL;
new_path->usedspace_units = NULL;
new_path->usedspace_percent = NULL;
new_path->usedinodes_percent = NULL;
new_path->freeinodes_percent = NULL;
new_path->group = NULL;
if (current == NULL) {
*list = new_path;
} else {
while (current->name_next) {
current = current->name_next;
}
current->name_next = new_path;
}
return new_path;
}
/* Delete a given parameter from list and return pointer to next element*/
struct parameter_list *
np_del_parameter(struct parameter_list *item, struct parameter_list *prev)
{
struct parameter_list *next;
if (item->name_next)
next = item->name_next;
else
next = NULL;
free(item);
if (prev)
prev->name_next = next;
return next;
}
/* returns a pointer to the struct found in the list */
struct parameter_list *
np_find_parameter(struct parameter_list *list, const char *name)
{
struct parameter_list *temp_list;
for (temp_list = list; temp_list; temp_list = temp_list->name_next) {
if (! strcmp(temp_list->name, name))
return temp_list;
}
return NULL;
}
void
np_set_best_match(struct parameter_list *desired, struct mount_entry *mount_list, int exact)
{
struct parameter_list *d;
for (d = desired; d; d= d->name_next) {
if (! d->best_match) {
struct mount_entry *me;
size_t name_len = strlen(d->name);
size_t best_match_len = 0;
struct mount_entry *best_match = NULL;
/* set best match if path name exactly matches a mounted device name */
for (me = mount_list; me; me = me->me_next) {
if (strcmp(me->me_devname, d->name)==0)
best_match = me;
}
/* set best match by directory name if no match was found by devname */
if (! best_match) {
for (me = mount_list; me; me = me->me_next) {
size_t len = strlen (me->me_mountdir);
if ((exact == FALSE && (best_match_len <= len && len <= name_len &&
(len == 1 || strncmp (me->me_mountdir, d->name, len) == 0)))
|| (exact == TRUE && strcmp(me->me_mountdir, d->name)==0))
{
best_match = me;
best_match_len = len;
}
}
}
if (best_match) {
d->best_match = best_match;
} else {
d->best_match = NULL; /* Not sure why this is needed as it should be null on initialisation */
}
}
}
}
/* Returns TRUE if name is in list */
int
np_find_name (struct name_list *list, const char *name)
{
const struct name_list *n;
if (list == NULL || name == NULL) {
return FALSE;
}
for (n = list; n; n = n->next) {
if (!strcmp(name, n->name)) {
return TRUE;
}
}
return FALSE;
}
int
np_seen_name(struct name_list *list, const char *name)
{
const struct name_list *s;
for (s = list; s; s=s->next) {
if (!strcmp(s->name, name)) {
return TRUE;
}
}
return FALSE;
}
int
np_regex_match_mount_entry (struct mount_entry* me, regex_t* re)
{
if (regexec(re, me->me_devname, (size_t) 0, NULL, 0) == 0 ||
regexec(re, me->me_mountdir, (size_t) 0, NULL, 0) == 0 ) {
return TRUE;
} else {
return FALSE;
}
}
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