/*
* Copyright (c) 2001-2002 Packet Design, LLC.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty,
* use and redistribution of this software, in source or object code
* forms, with or without modifications are expressly permitted by
* Packet Design; provided, however, that:
*
* (i) Any and all reproductions of the source or object code
* must include the copyright notice above and the following
* disclaimer of warranties; and
* (ii) No rights are granted, in any manner or form, to use
* Packet Design trademarks, including the mark "PACKET DESIGN"
* on advertising, endorsements, or otherwise except as such
* appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
* THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
* OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
* OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
* OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
* RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
* LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
* OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
* DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
* USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Archie Cobbs <archie@freebsd.org>
*/
#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#include <assert.h>
#include <syslog.h>
#include <unistd.h>
#include <stdarg.h>
#include "structs/structs.h"
#include "structs/type/array.h"
#include "util/typed_mem.h"
#include "config/app_config.h"
#include "sys/alog.h"
/************************************************************************
DIRECTORY SUBSYSTEM
************************************************************************/
static app_ss_startup_t app_directory_start;
static app_ss_willrun_t app_directory_willrun;
static app_ss_changed_t app_directory_changed;
const struct app_subsystem app_config_directory_subsystem = {
"directory",
NULL,
app_directory_start,
NULL,
app_directory_willrun,
app_directory_changed,
NULL
};
/*
* Directory startup
*/
static int
app_directory_start(struct app_config_ctx *ctx,
const struct app_subsystem *ss, const void *config)
{
const char *const name = ss->arg;
char *dir;
int r;
/* Get directory */
if ((dir = structs_get_string(app_config_get_type(ctx),
name, config, TYPED_MEM_TEMP)) == NULL) {
alogf(LOG_ERR, "%s: %m", "structs_get_string");
return (-1);
}
/* Change into it */
if ((r = chdir(dir)) == -1)
alog(LOG_ERR, "can't change to directory \"%s\": %m", dir);
FREE(TYPED_MEM_TEMP, dir);
return (r);
}
/*
* Directory necessity check
*/
static int
app_directory_willrun(struct app_config_ctx *ctx,
const struct app_subsystem *ss, const void *config)
{
const char *const name = ss->arg;
char *dir;
int r;
/* Get directory */
assert(name != NULL);
if ((dir = structs_get_string(app_config_get_type(ctx),
name, config, TYPED_MEM_TEMP)) == NULL) {
alogf(LOG_ERR, "%s: %m", "structs_get_string");
return (-1);
}
/* Check if not NULL */
r = (*dir != '\0');
FREE(TYPED_MEM_TEMP, dir);
return (r);
}
/*
* Directory configuration changed check
*/
static int
app_directory_changed(struct app_config_ctx *ctx,
const struct app_subsystem *ss, const void *config1,
const void *config2)
{
const char *const name = ss->arg;
int ret;
/* Compare directory names */
if ((ret = structs_equal(app_config_get_type(ctx),
name, config1, config2)) == -1) {
alogf(LOG_ERR, "%s: %m", "structs_equal");
return (-1);
}
return (!ret);
}
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