selinux/restorecond/stringslist.c
Stephen Smalley 00be13634a Move policycoreutils/restorecond to restorecond.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2016-11-16 11:19:50 -05:00

137 lines
3.4 KiB
C

/*
* Copyright (C) 2006, 2008 Red Hat
* see file 'COPYING' for use and warranty information
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Authors:
* Dan Walsh <dwalsh@redhat.com>
*
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "stringslist.h"
#include "restorecond.h"
#include <fnmatch.h>
/* Sorted lists */
void strings_list_add(struct stringsList **list, const char *string)
{
struct stringsList *ptr = *list;
struct stringsList *prev = NULL;
struct stringsList *newptr = NULL;
while (ptr) {
int cmp = strcmp(string, ptr->string);
if (cmp < 0)
break; /* Not on list break out to add */
if (cmp == 0)
return; /* Already on list */
prev = ptr;
ptr = ptr->next;
}
newptr = calloc(1, sizeof(struct stringsList));
if (!newptr)
exitApp("Out of Memory");
newptr->string = strdup(string);
newptr->next = ptr;
if (prev)
prev->next = newptr;
else
*list = newptr;
}
int strings_list_find(struct stringsList *ptr, const char *string, int *exact)
{
while (ptr) {
*exact = strcmp(ptr->string, string) == 0;
int cmp = fnmatch(ptr->string, string, 0);
if (cmp == 0)
return 0; /* Match found */
ptr = ptr->next;
}
return -1;
}
void strings_list_free(struct stringsList *ptr)
{
struct stringsList *prev = NULL;
while (ptr) {
free(ptr->string);
prev = ptr;
ptr = ptr->next;
free(prev);
}
}
int strings_list_diff(struct stringsList *from, struct stringsList *to)
{
while (from != NULL && to != NULL) {
if (strcmp(from->string, to->string) != 0)
return 1;
from = from->next;
to = to->next;
}
if (from != NULL || to != NULL)
return 1;
return 0;
}
void strings_list_print(struct stringsList *ptr)
{
while (ptr) {
printf("%s\n", ptr->string);
ptr = ptr->next;
}
}
#ifdef TEST
void exitApp(const char *msg)
{
perror(msg);
exit(-1);
}
int main(int argc, char **argv)
{
struct stringsList *list = NULL;
struct stringsList *list1 = NULL;
strings_list_add(&list, "/etc/resolv.conf");
strings_list_add(&list, "/etc/walsh");
strings_list_add(&list, "/etc/mtab");
strings_list_add(&list, "/etc/walsh");
if (strings_list_diff(list, list) != 0)
printf("strings_list_diff test1 bug\n");
strings_list_add(&list1, "/etc/walsh");
if (strings_list_diff(list, list1) == 0)
printf("strings_list_diff test2 bug\n");
strings_list_add(&list1, "/etc/walsh");
strings_list_add(&list1, "/etc/walsh/*");
strings_list_add(&list1, "/etc/resolv.conf");
strings_list_add(&list1, "/etc/mtab1");
if (strings_list_diff(list, list1) == 0)
printf("strings_list_diff test3 bug\n");
printf("strings list\n");
strings_list_print(list);
printf("strings list1\n");
strings_list_find(list1, "/etc/walsh/dan");
strings_list_print(list1);
strings_list_free(list);
strings_list_free(list1);
}
#endif