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/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2009 Vincent Bernat <bernat@luffy.cx>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lldpd.h"
#include <unistd.h>
#ifdef ENABLE_LLDPMED
/* Fill in inventory stuff:
- hardware version: /sys/class/dmi/id/product_version
- firmware version: /sys/class/dmi/id/bios_version
- software version: `uname -r`
- serial number: /sys/class/dmi/id/product_serial
- manufacturer: /sys/class/dmi/id/sys_vendor
- model: /sys/class/dmi/id/product_name
- asset: /sys/class/dmi/id/chassis_asset_tag
*/
static char *
dmi_get(const char *file)
{
int dmi, s;
char buffer[100] = {};
log_debug("localchassis", "DMI request for file %s", file);
if ((dmi = priv_open(file)) < 0) {
log_debug("localchassis", "cannot get DMI file %s", file);
return NULL;
}
if ((s = read(dmi, buffer, sizeof(buffer))) == -1) {
log_debug("localchassis", "cannot read DMI file %s", file);
close(dmi);
return NULL;
}
close(dmi);
buffer[sizeof(buffer) - 1] = '\0';
if ((s > 0) && (buffer[s - 1] == '\n')) buffer[s - 1] = '\0';
if (strlen(buffer)) return strdup(buffer);
return NULL;
}
char *
dmi_hw()
{
return dmi_get(SYSFS_CLASS_DMI "product_version");
}
char *
dmi_fw()
{
return dmi_get(SYSFS_CLASS_DMI "bios_version");
}
char *
dmi_sn()
{
return dmi_get(SYSFS_CLASS_DMI "product_serial");
}
char *
dmi_manuf()
{
return dmi_get(SYSFS_CLASS_DMI "sys_vendor");
}
char *
dmi_model()
{
return dmi_get(SYSFS_CLASS_DMI "product_name");
}
char *
dmi_asset()
{
return dmi_get(SYSFS_CLASS_DMI "chassis_asset_tag");
}
#endif
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