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/**
* @file
* Implementation of a single boolean change log message.
*
* @author Jeremy A. Mowery jmowery@tresys.com
* @author Jason Tang jtang@tresys.com
*
* Copyright (C) 2006-2007 Tresys Technology, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "seaudit_internal.h"
#include <apol/util.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
/******************** protected functions below ********************/
static void seaudit_bool_change_free(void *elem)
{
if (elem != NULL) {
seaudit_bool_message_change_t *b = elem;
free(b);
}
}
seaudit_bool_message_t *bool_message_create(void)
{
seaudit_bool_message_t *boolm = calloc(1, sizeof(seaudit_bool_message_t));
if (boolm == NULL) {
return NULL;
}
if ((boolm->changes = apol_vector_create(seaudit_bool_change_free)) == NULL) {
bool_message_free(boolm);
return NULL;
}
return boolm;
}
int bool_change_append(seaudit_log_t * log, seaudit_bool_message_t * boolm, const char *name, int value)
{
char *s = strdup(name);
seaudit_bool_message_change_t *bc = NULL;
int error;
if (s == NULL || apol_bst_insert_and_get(log->bools, (void **)&s, NULL) < 0) {
error = errno;
free(s);
ERR(log, "%s", strerror(error));
errno = error;
return -1;
}
if ((bc = calloc(1, sizeof(*bc))) == NULL || apol_vector_append(boolm->changes, bc) < 0) {
error = errno;
free(s);
ERR(log, "%s", strerror(error));
errno = error;
return -1;
}
bc->boolean = s;
bc->value = value;
return 0;
}
void bool_message_free(seaudit_bool_message_t * boolm)
{
if (boolm != NULL) {
apol_vector_destroy(&boolm->changes);
free(boolm);
}
}
char *bool_message_to_string(const seaudit_message_t * msg, const char *date)
{
seaudit_bool_message_t *boolm = msg->data.boolm;
const char *host = msg->host;
const char *manager = msg->manager;
char *s = NULL, *misc_string;
size_t len = 0;
char *open_brace = "", *close_brace = "";
if (apol_vector_get_size(boolm->changes) > 0) {
open_brace = "{ ";
close_brace = " }";
}
if (apol_str_appendf(&s, &len, "%s %s %s: security: committed booleans: %s", date, host, manager, open_brace) < 0) {
return NULL;
}
if ((misc_string = bool_message_to_misc_string(boolm)) == NULL ||
apol_str_appendf(&s, &len, "%s", misc_string) < 0 || apol_str_append(&s, &len, close_brace) < 0) {
free(misc_string);
return NULL;
}
free(misc_string);
return s;
}
char *bool_message_to_string_html(const seaudit_message_t * msg, const char *date)
{
seaudit_bool_message_t *boolm = msg->data.boolm;
const char *host = msg->host;
const char *manager = msg->manager;
char *s = NULL, *misc_string;
size_t len = 0;
char *open_brace = "", *close_brace = "";
if (apol_vector_get_size(boolm->changes) > 0) {
open_brace = "{ ";
close_brace = " }";
}
if (apol_str_appendf(&s, &len,
"<font class=\"message_date\">%s</font> "
"<font class=\"host_name\">%s</font> "
"%s: security: committed booleans: %s", date, host, manager, open_brace) < 0) {
return NULL;
}
if ((misc_string = bool_message_to_misc_string(boolm)) == NULL ||
apol_str_appendf(&s, &len, "%s", misc_string) < 0 || apol_str_appendf(&s, &len, "%s%s<br>", s, close_brace) < 0) {
free(misc_string);
return NULL;
}
free(misc_string);
return s;
}
char *bool_message_to_misc_string(const seaudit_bool_message_t * boolm)
{
char *s = NULL;
size_t len = 0, i;
for (i = 0; i < apol_vector_get_size(boolm->changes); i++) {
seaudit_bool_message_change_t *bc = apol_vector_get_element(boolm->changes, i);
if (apol_str_appendf(&s, &len, "%s%s:%d", (i == 0 ? "" : ", "), bc->boolean, bc->value) < 0) {
return NULL;
}
}
if (s == NULL) {
return strdup("");
}
return s;
}
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