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/*
* This program is 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file rlm_date.c
* @brief Translates timestrings between formats.
*
* @author Artur Malinowski <artur@wow.com>
*
* @copyright 2013 Artur Malinowski <artur@wow.com>
* @copyright 1999-2013 The FreeRADIUS Server Project.
*/
#include <freeradius-devel/radiusd.h>
#include <freeradius-devel/modules.h>
#include <ctype.h>
#include <time.h>
typedef struct rlm_date_t {
char const *xlat_name;
char const *fmt;
bool utc;
} rlm_date_t;
static const CONF_PARSER module_config[] = {
{ "format", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_date_t, fmt), "%b %e %Y %H:%M:%S %Z" },
{ "utc", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_date_t, utc), "no" },
CONF_PARSER_TERMINATOR
};
DIAG_OFF(format-nonliteral)
static ssize_t xlat_date_convert(void *instance, REQUEST *request, char const *fmt, char *out, size_t outlen)
{
rlm_date_t *inst = instance;
time_t date = 0;
struct tm tminfo;
VALUE_PAIR *vp;
memset(&tminfo, 0, sizeof(tminfo));
if ((radius_get_vp(&vp, request, fmt) < 0) || !vp) {
*out = '\0';
return 0;
}
switch (vp->da->type) {
/*
* These are 'to' types, i.e. we'll convert the integers
* to a time structure, and then output it in the specified
* format as a string.
*/
case PW_TYPE_DATE:
date = vp->vp_date;
goto encode;
case PW_TYPE_INTEGER:
case PW_TYPE_INTEGER64:
date = (time_t) vp->vp_integer;
encode:
if (!inst->utc) {
if (localtime_r(&date, &tminfo) == NULL) {
REDEBUG("Failed converting time string to localtime");
goto error;
}
} else {
if (gmtime_r(&date, &tminfo) == NULL) {
REDEBUG("Failed converting time string to gmtime");
goto error;
}
}
return strftime(out, outlen, inst->fmt, &tminfo);
/*
* These are 'from' types, i.e. we'll convert the input string
* into a time structure, and then output it as an integer
* unix timestamp.
*/
case PW_TYPE_STRING:
if (strptime(vp->vp_strvalue, inst->fmt, &tminfo) == NULL) {
REDEBUG("Failed to parse time string \"%s\" as format '%s'", vp->vp_strvalue, inst->fmt);
goto error;
}
if (!inst->utc) {
date = mktime(&tminfo);
} else {
date = timegm(&tminfo);
}
if (date < 0) {
REDEBUG("Failed converting parsed time into unix time");
}
return snprintf(out, outlen, "%" PRIu64, (uint64_t) date);
default:
REDEBUG("Can't convert type %s into date", fr_int2str(dict_attr_types, vp->da->type, "<INVALID>"));
}
error:
*out = '\0';
return -1;
}
DIAG_ON(format-nonliteral)
static int mod_bootstrap(CONF_SECTION *conf, void *instance)
{
rlm_date_t *inst = instance;
inst->xlat_name = cf_section_name2(conf);
if (!inst->xlat_name) {
inst->xlat_name = cf_section_name1(conf);
}
xlat_register(inst->xlat_name, xlat_date_convert, NULL, inst);
return 0;
}
extern module_t rlm_date;
module_t rlm_date = {
.magic = RLM_MODULE_INIT,
.name = "date",
.inst_size = sizeof(rlm_date_t),
.config = module_config,
.bootstrap = mod_bootstrap
};
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