static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
const char *value, int idx)
{
char *buf, title[20];
int res;
buf = wpa_config_parse_string(value, len);
if (buf == NULL) {
wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
line, idx, value);
return -1;
}
if (*len > MAX_WEP_KEY_LEN) {
wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
line, idx, value);
os_free(buf);
return -1;
}
os_memcpy(key, buf, *len);
os_free(buf);
res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
if (res >= 0 && (size_t) res < sizeof(title))
wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
return 0;
}
static int wpa_config_parse_str(const struct parse_data *data,
struct wpa_ssid *ssid,
int line, const char *value)
{
size_t res_len, *dst_len;
char **dst, *tmp;
if (os_strcmp(value, "NULL") == 0) {
wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
data->name);
tmp = NULL;
res_len = 0;
goto set;
}
tmp = wpa_config_parse_string(value, &res_len);
if (tmp == NULL) {
wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
line, data->name,
data->key_data ? "[KEY DATA REMOVED]" : value);
return -1;
}
if (data->key_data) {
wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
(u8 *) tmp, res_len);
} else {
wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
(u8 *) tmp, res_len);
}
if (data->param3 && res_len < (size_t) data->param3) {
wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
"min_len=%ld)", line, data->name,
(unsigned long) res_len, (long) data->param3);
os_free(tmp);
return -1;
}
if (data->param4 && res_len > (size_t) data->param4) {
wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
"max_len=%ld)", line, data->name,
(unsigned long) res_len, (long) data->param4);
os_free(tmp);
return -1;
}
set:
dst = (char **) (((u8 *) ssid) + (long) data->param1);
dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
os_free(*dst);
*dst = tmp;
if (data->param2)
*dst_len = res_len;
return 0;
}
static int wpa_config_parse_str(struct parse_data *data,
int line, const char *value)
{
size_t res_len, *dst_len;
char **dst;
dst = (char **) (((u8 *) data->ssid) + (long) data->param1);
dst_len = (size_t *) (((u8 *) data->ssid) + (long) data->param2);
free(*dst);
*dst = wpa_config_parse_string(value, &res_len);
if (*dst == NULL) {
wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
line, data->name, value);
return -1;
}
if (data->param2)
*dst_len = res_len;
if (data->key_data) {
wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
(u8 *) *dst, res_len);
} else {
wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
(u8 *) *dst, res_len);
}
if (data->param3 && res_len < (size_t) data->param3) {
wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
"min_len=%ld)", line, data->name,
(unsigned long) res_len, (long) data->param3);
free(*dst);
*dst = NULL;
return -1;
}
if (data->param4 && res_len > (size_t) data->param4) {
wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
"max_len=%ld)", line, data->name,
(unsigned long) res_len, (long) data->param4);
free(*dst);
*dst = NULL;
return -1;
}
return 0;
}
static int wpa_config_parse_password(const struct parse_data *data,
struct wpa_ssid *ssid, int line,
const char *value)
{
u8 *hash;
if (os_strcmp(value, "NULL") == 0) {
wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
os_free(ssid->eap.password);
ssid->eap.password = NULL;
ssid->eap.password_len = 0;
return 0;
}
if (os_strncmp(value, "hash:", 5) != 0) {
char *tmp;
size_t res_len;
tmp = wpa_config_parse_string(value, &res_len);
if (tmp == NULL) {
wpa_printf(MSG_ERROR, "Line %d: failed to parse "
"password.", line);
return -1;
}
wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
(u8 *) tmp, res_len);
os_free(ssid->eap.password);
ssid->eap.password = (u8 *) tmp;
ssid->eap.password_len = res_len;
ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
return 0;
}
/* NtPasswordHash: hash:<32 hex digits> */
if (os_strlen(value + 5) != 2 * 16) {
wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
"(expected 32 hex digits)", line);
return -1;
}
hash = os_malloc(16);
if (hash == NULL)
return -1;
if (hexstr2bin(value + 5, hash, 16)) {
os_free(hash);
wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
return -1;
}
wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
os_free(ssid->eap.password);
ssid->eap.password = hash;
ssid->eap.password_len = 16;
ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
return 0;
}
