71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/** @file
|
|
* @brief Hostname configuration
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2017 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/logging/log.h>
|
|
LOG_MODULE_REGISTER(net_hostname, CONFIG_NET_HOSTNAME_LOG_LEVEL);
|
|
|
|
#include <zephyr/zephyr.h>
|
|
|
|
#include <zephyr/net/hostname.h>
|
|
#include <zephyr/net/net_core.h>
|
|
|
|
static char hostname[NET_HOSTNAME_MAX_LEN + 1];
|
|
|
|
const char *net_hostname_get(void)
|
|
{
|
|
return hostname;
|
|
}
|
|
|
|
#if defined(CONFIG_NET_HOSTNAME_UNIQUE)
|
|
int net_hostname_set_postfix(const uint8_t *hostname_postfix,
|
|
int postfix_len)
|
|
{
|
|
#if !defined(CONFIG_NET_HOSTNAME_UNIQUE_UPDATE)
|
|
static bool postfix_set;
|
|
#endif
|
|
int pos = 0;
|
|
int i;
|
|
|
|
#if !defined(CONFIG_NET_HOSTNAME_UNIQUE_UPDATE)
|
|
if (postfix_set) {
|
|
return -EALREADY;
|
|
}
|
|
#endif
|
|
|
|
NET_ASSERT(postfix_len > 0);
|
|
|
|
/* Note that we convert the postfix to hex (2 chars / byte) */
|
|
if ((postfix_len * 2) >
|
|
(NET_HOSTNAME_MAX_LEN - (sizeof(CONFIG_NET_HOSTNAME) - 1))) {
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
for (i = 0; i < postfix_len; i++, pos += 2) {
|
|
snprintk(&hostname[sizeof(CONFIG_NET_HOSTNAME) - 1 + pos],
|
|
2 + 1, "%02x", hostname_postfix[i]);
|
|
}
|
|
|
|
NET_DBG("New hostname %s", log_strdup(hostname));
|
|
|
|
#if !defined(CONFIG_NET_HOSTNAME_UNIQUE_UPDATE)
|
|
postfix_set = true;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_NET_HOSTNAME_UNIQUE */
|
|
|
|
void net_hostname_init(void)
|
|
{
|
|
memcpy(hostname, CONFIG_NET_HOSTNAME, sizeof(CONFIG_NET_HOSTNAME) - 1);
|
|
|
|
NET_DBG("Hostname set to %s", CONFIG_NET_HOSTNAME);
|
|
}
|