static int _netif_set_addr(kernel_pid_t dev, netopt_t opt, char *addr_str)
{
uint8_t addr[MAX_ADDR_LEN];
size_t addr_len = gnrc_netif_addr_from_str(addr, sizeof(addr), addr_str);
if (addr_len == 0) {
puts("error: unable to parse address.\n"
"Must be of format [0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*\n"
"(hex pairs delimited by colons)");
return 1;
}
if (gnrc_netapi_set(dev, opt, 0, addr, addr_len) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %s\n", dev, addr_str);
return 0;
}
static int _netif_set_encrypt(kernel_pid_t dev, netopt_t opt, char *encrypt_str)
{
netopt_enable_t set;
size_t size = 1;
if ((strcmp("on", encrypt_str) == 0) || (strcmp("ON", encrypt_str) == 0)) {
set = NETOPT_ENABLE;
}
else if ((strcmp("off", encrypt_str) == 0) || (strcmp("OFF", encrypt_str) == 0)) {
set = NETOPT_DISABLE;
}
else {
puts("usage: ifconfig <if_id> set encryption [on|off]");
return 1;
}
if (gnrc_netapi_set(dev, opt, 0, &set, size) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %s\n", dev, encrypt_str);
return 0;
}
static int _netif_set_encrypt_key(kernel_pid_t dev, netopt_t opt, char *key_str)
{
size_t str_len = strlen(key_str);
size_t key_len = str_len / 2;
uint8_t key[key_len];
if (str_len == 14U) {
printf("\nNotice: setting 56 bit key.");
}
else if (str_len == 16U) {
printf("\nNotice: setting 64 bit key.");
}
else if (str_len == 32U) {
printf("\nNotice: setting 128 bit key.");
}
else if (str_len == 48U) {
printf("\nNotice: setting 192 bit key.");
}
else if (str_len == 64U) {
printf("\nNotice: setting 256 bit key.");
}
else if (str_len == 128U) {
printf("\nNotice: setting 512 bit key.");
}
else {
printf("error: invalid key size.\n");
return 1;
}
/* Convert any char from ASCII table in hex format */
for (size_t i = 0; i < str_len; i += 2) {
int i1 = _hex_to_int(key_str[i]);
int i2 = _hex_to_int(key_str[i + 1]);
if (i1 == -1 || i2 == -1) {
puts("error: unable to parse key");
return 1;
}
key[i / 2] = (uint8_t)((i1 << 4) + i2);
}
if (gnrc_netapi_set(dev, opt, 0, key, key_len) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to \n", dev);
for (size_t i = 0; i < key_len; i++) {
/* print the hex value of the key */
printf("%02x", key[i]);
}
puts("");
return 0;
}
static int _netif_set_u16(kernel_pid_t iface, netopt_t opt, uint16_t context,
char *u16_str)
{
unsigned long int res;
bool hex = false;
if (_is_number(u16_str)) {
if ((res = strtoul(u16_str, NULL, 10)) == ULONG_MAX) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
}
else {
if ((res = strtoul(u16_str, NULL, 16)) == ULONG_MAX) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
hex = true;
}
if (res > 0xffff) {
puts("error: unable to parse value.\n"
"Must be a 16-bit unsigned integer (dec or hex)\n");
return 1;
}
if (gnrc_netapi_set(iface, opt, context, (uint16_t *)&res,
sizeof(uint16_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to ", iface);
if (hex) {
printf("0x%04lx\n", res);
}
else {
printf("%lu\n", res);
}
return 0;
}
static int _netif_set_i16(kernel_pid_t dev, netopt_t opt, char *i16_str)
{
int16_t val = (int16_t)atoi(i16_str);
if (gnrc_netapi_set(dev, opt, 0, (int16_t *)&val, sizeof(int16_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %i\n", dev, val);
return 0;
}
static int _netif_set_u8(kernel_pid_t iface, netopt_t opt, uint16_t context,
char *u8_str)
{
uint8_t val = atoi(u8_str);
if (gnrc_netapi_set(iface, opt, context, (uint8_t *)&val,
sizeof(uint8_t)) < 0) {
printf("error: unable to set ");
_print_netopt(opt);
puts("");
return 1;
}
printf("success: set ");
_print_netopt(opt);
printf(" on interface %" PRIkernel_pid " to %i\n", iface, val);
return 0;
}
