static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
{
struct wpa_ssid *ssid;
int errors = 0, end = 0;
char buf[2000], *pos, *pos2;
wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
*line);
ssid = os_zalloc(sizeof(*ssid));
if (ssid == NULL)
return NULL;
dl_list_init(&ssid->psk_list);
ssid->id = id;
wpa_config_set_network_defaults(ssid);
while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
if (os_strcmp(pos, "}") == 0) {
end = 1;
break;
}
pos2 = os_strchr(pos, '=');
if (pos2 == NULL) {
wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
"'%s'.", *line, pos);
errors++;
continue;
}
*pos2++ = '\0';
if (*pos2 == '"') {
if (os_strchr(pos2 + 1, '"') == NULL) {
wpa_printf(MSG_ERROR, "Line %d: invalid "
"quotation '%s'.", *line, pos2);
errors++;
continue;
}
}
if (wpa_config_set(ssid, pos, pos2, *line) < 0)
errors++;
}
if (!end) {
wpa_printf(MSG_ERROR, "Line %d: network block was not "
"terminated properly.", *line);
errors++;
}
errors += wpa_config_validate_network(ssid, *line);
if (errors) {
wpa_config_free_ssid(ssid);
ssid = NULL;
}
return ssid;
}
/**
* wpa_config_free - Free configuration data
* @config: Configuration data from wpa_config_read()
*
* This function frees all resources allocated for the configuration data by
* wpa_config_read().
*/
void wpa_config_free(struct wpa_config *config)
{
struct wpa_ssid *ssid, *prev = NULL;
ssid = config->ssid;
while (ssid) {
prev = ssid;
ssid = ssid->next;
wpa_config_free_ssid(prev);
}
free(config->ctrl_interface);
free(config->opensc_engine_path);
free(config->pkcs11_engine_path);
free(config->pkcs11_module_path);
free(config->driver_param);
free(config->pssid);
free(config);
}
/**
* wpa_config_free - Free configuration data
* @config: Configuration data from wpa_config_read()
*
* This function frees all resources allocated for the configuration data by
* wpa_config_read().
*/
void wpa_config_free(struct wpa_config *config)
{
#ifndef CONFIG_NO_CONFIG_BLOBS
struct wpa_config_blob *blob, *prevblob;
#endif /* CONFIG_NO_CONFIG_BLOBS */
struct wpa_ssid *ssid, *prev = NULL;
ssid = config->ssid;
while (ssid) {
prev = ssid;
ssid = ssid->next;
wpa_config_free_ssid(prev);
}
#ifndef CONFIG_NO_CONFIG_BLOBS
blob = config->blobs;
prevblob = NULL;
while (blob) {
prevblob = blob;
blob = blob->next;
wpa_config_free_blob(prevblob);
}
#endif /* CONFIG_NO_CONFIG_BLOBS */
os_free(config->ctrl_interface);
os_free(config->ctrl_interface_group);
#ifdef EAP_TLS_OPENSSL
os_free(config->opensc_engine_path);
os_free(config->pkcs11_engine_path);
os_free(config->pkcs11_module_path);
#endif /* EAP_TLS_OPENSSL */
os_free(config->driver_param);
os_free(config->device_name);
os_free(config->manufacturer);
os_free(config->model_name);
os_free(config->model_number);
os_free(config->serial_number);
os_free(config->device_type);
os_free(config->pssid);
os_free(config);
}
/**
* wpa_config_remove_network - Remove a configured network based on id
* @config: Configuration data from wpa_config_read()
* @id: Unique network id to search for
* Returns: 0 on success, or -1 if the network was not found
*/
int wpa_config_remove_network(struct wpa_config *config, int id)
{
struct wpa_ssid *ssid, *prev = NULL;
ssid = config->ssid;
while (ssid) {
if (id == ssid->id)
break;
prev = ssid;
ssid = ssid->next;
}
if (ssid == NULL)
return -1;
if (prev)
prev->next = ssid->next;
else
config->ssid = ssid->next;
wpa_config_update_prio_list(config);
wpa_config_free_ssid(ssid);
return 0;
}
static struct wpa_ssid * wpa_config_read_network(HKEY hk, const TCHAR *netw,
int id)
{
HKEY nhk;
LONG ret;
DWORD i;
struct wpa_ssid *ssid;
int errors = 0;
ret = RegOpenKeyEx(hk, netw, 0, KEY_QUERY_VALUE, &nhk);
if (ret != ERROR_SUCCESS) {
wpa_printf(MSG_DEBUG, "Could not open wpa_supplicant config "
"network '" TSTR "'", netw);
return NULL;
}
wpa_printf(MSG_MSGDUMP, "Start of a new network '" TSTR "'", netw);
ssid = os_zalloc(sizeof(*ssid));
if (ssid == NULL) {
RegCloseKey(nhk);
return NULL;
}
dl_list_init(&ssid->psk_list);
ssid->id = id;
wpa_config_set_network_defaults(ssid);
for (i = 0; ; i++) {
TCHAR name[255], data[1024];
DWORD namelen, datalen, type;
namelen = 255;
datalen = sizeof(data);
ret = RegEnumValue(nhk, i, name, &namelen, NULL, &type,
(LPBYTE) data, &datalen);
if (ret == ERROR_NO_MORE_ITEMS)
break;
if (ret != ERROR_SUCCESS) {
wpa_printf(MSG_ERROR, "RegEnumValue failed: 0x%x",
(unsigned int) ret);
break;
}
if (namelen >= 255)
namelen = 255 - 1;
name[namelen] = TEXT('\0');
if (datalen >= 1024)
datalen = 1024 - 1;
data[datalen] = TEXT('\0');
wpa_unicode2ascii_inplace(name);
wpa_unicode2ascii_inplace(data);
if (wpa_config_set(ssid, (char *) name, (char *) data, 0) < 0)
errors++;
}
RegCloseKey(nhk);
if (ssid->passphrase) {
if (ssid->psk_set) {
wpa_printf(MSG_ERROR, "Both PSK and passphrase "
"configured for network '" TSTR "'.", netw);
errors++;
}
wpa_config_update_psk(ssid);
}
if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
!(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
!(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
/* Group cipher cannot be stronger than the pairwise cipher. */
wpa_printf(MSG_DEBUG, "Removed CCMP from group cipher "
"list since it was not allowed for pairwise "
"cipher for network '" TSTR "'.", netw);
ssid->group_cipher &= ~WPA_CIPHER_CCMP;
}
if (errors) {
wpa_config_free_ssid(ssid);
ssid = NULL;
}
return ssid;
}