mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-17 09:29:22 +01:00
network: Move network related code into network.c
away from wiphy.c
This commit is contained in:
Denis Kenzior
parent
5e4c675175
commit
d4feeebdc1
230
src/network.c
230
src/network.c
@ -28,6 +28,9 @@
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#include <ell/ell.h>
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#include "src/ie.h"
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#include "src/crypto.h"
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#include "src/iwd.h"
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#include "src/common.h"
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#include "src/storage.h"
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@ -35,6 +38,7 @@
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#include "src/dbus.h"
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#include "src/agent.h"
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#include "src/device.h"
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#include "src/wiphy.h"
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#include "src/network.h"
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struct network_info {
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@ -271,6 +275,226 @@ void network_settings_close(struct network *network)
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network->settings = NULL;
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}
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static struct scan_bss *network_select_bss(struct wiphy *wiphy,
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struct network *network)
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{
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struct l_queue *bss_list = network->bss_list;
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const struct l_queue_entry *bss_entry;
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/* TODO: sort the list by RSSI, potentially other criteria. */
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switch (network->security) {
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case SECURITY_NONE:
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/* Pick the first bss (strongest signal) */
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return l_queue_peek_head(bss_list);
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case SECURITY_PSK:
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case SECURITY_8021X:
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/* Pick the first bss that advertises any cipher we support. */
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for (bss_entry = l_queue_get_entries(bss_list); bss_entry;
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bss_entry = bss_entry->next) {
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struct scan_bss *bss = bss_entry->data;
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uint16_t pairwise_ciphers, group_ciphers;
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bss_get_supported_ciphers(bss, &pairwise_ciphers,
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&group_ciphers);
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if (wiphy_select_cipher(wiphy, pairwise_ciphers) &&
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wiphy_select_cipher(wiphy,
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group_ciphers))
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return bss;
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}
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return NULL;
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default:
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return NULL;
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}
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}
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static void passphrase_callback(enum agent_result result,
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const char *passphrase,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct network *network = user_data;
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struct wiphy *wiphy = device_get_wiphy(network->netdev);
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struct scan_bss *bss;
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l_debug("result %d", result);
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network->agent_request = 0;
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if (result != AGENT_RESULT_OK) {
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dbus_pending_reply(&message, dbus_error_aborted(message));
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goto err;
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}
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bss = network_select_bss(wiphy, network);
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/* Did all good BSSes go away while we waited */
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if (!bss) {
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dbus_pending_reply(&message, dbus_error_failed(message));
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goto err;
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}
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l_free(network->psk);
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network->psk = l_malloc(32);
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if (crypto_psk_from_passphrase(passphrase, (uint8_t *) network->ssid,
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strlen(network->ssid),
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network->psk) < 0) {
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l_error("PMK generation failed. "
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"Ensure Crypto Engine is properly configured");
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dbus_pending_reply(&message, dbus_error_failed(message));
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goto err;
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}
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/*
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* We need to store the PSK in our permanent store. However, before
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* we do that, make sure the PSK works. We write to the store only
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* when we are connected
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*/
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network->update_psk = true;
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device_connect_network(network->netdev, network, bss, message);
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return;
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err:
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network_settings_close(network);
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l_free(network->psk);
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network->psk = NULL;
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}
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static struct l_dbus_message *network_connect_psk(struct network *network,
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struct scan_bss *bss,
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struct l_dbus_message *message)
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{
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struct netdev *netdev = network->netdev;
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const char *psk;
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l_debug("");
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network_settings_load(network);
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psk = l_settings_get_value(network->settings, "Security",
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"PreSharedKey");
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if (psk) {
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size_t len;
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l_debug("psk: %s", psk);
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l_free(network->psk);
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network->psk = l_util_from_hexstring(psk, &len);
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l_debug("len: %zd", len);
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if (network->psk && len != 32) {
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l_debug("Can't parse PSK");
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l_free(network->psk);
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network->psk = NULL;
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}
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}
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l_debug("ask_psk: %s", network->ask_psk ? "true" : "false");
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if (network->ask_psk || !network->psk) {
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network->ask_psk = false;
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network->agent_request =
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agent_request_passphrase(network->object_path,
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passphrase_callback,
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message,
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network);
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if (!network->agent_request)
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return dbus_error_no_agent(message);
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} else
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device_connect_network(netdev, network, bss, message);
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return NULL;
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}
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static struct l_dbus_message *network_connect(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct network *network = user_data;
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struct netdev *netdev = network->netdev;
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struct scan_bss *bss;
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l_debug("");
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if (device_is_busy(netdev))
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return dbus_error_busy(message);
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/*
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* Select the best BSS to use at this time. If we have to query the
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* agent this may not be the final choice because BSS visibility can
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* change while we wait for the agent.
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*/
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bss = network_select_bss(device_get_wiphy(netdev), network);
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/* None of the BSSes is compatible with our stack */
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if (!bss)
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return dbus_error_not_supported(message);
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switch (network->security) {
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case SECURITY_PSK:
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return network_connect_psk(network, bss, message);
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case SECURITY_NONE:
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device_connect_network(netdev, network, bss, message);
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return NULL;
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case SECURITY_8021X:
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network_settings_load(network);
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device_connect_network(netdev, network, bss, message);
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return NULL;
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default:
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return dbus_error_not_supported(message);
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}
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}
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static bool network_property_get_name(struct l_dbus *dbus,
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struct l_dbus_message *message,
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struct l_dbus_message_builder *builder,
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void *user_data)
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{
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struct network *network = user_data;
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l_dbus_message_builder_append_basic(builder, 's', network->ssid);
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return true;
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}
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static bool network_property_is_connected(struct l_dbus *dbus,
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struct l_dbus_message *message,
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struct l_dbus_message_builder *builder,
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void *user_data)
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{
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struct network *network = user_data;
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bool connected;
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connected = device_get_connected_network(network->netdev) == network;
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l_dbus_message_builder_append_basic(builder, 'b', &connected);
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return true;
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}
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static void setup_network_interface(struct l_dbus_interface *interface)
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{
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l_dbus_interface_method(interface, "Connect", 0,
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network_connect,
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"", "");
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l_dbus_interface_property(interface, "Name", 0, "s",
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network_property_get_name, NULL);
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l_dbus_interface_property(interface, "Connected", 0, "b",
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network_property_is_connected,
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NULL);
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}
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bool __iwd_network_append_properties(const struct network *network,
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struct l_dbus_message_builder *builder)
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{
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@ -373,10 +597,16 @@ void network_remove(struct network *network)
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void network_init()
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{
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if (!l_dbus_register_interface(dbus_get_bus(), IWD_NETWORK_INTERFACE,
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setup_network_interface, NULL, true))
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l_error("Unable to register %s interface",
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IWD_NETWORK_INTERFACE);
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networks = l_queue_new();
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}
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void network_exit()
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{
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l_queue_destroy(networks, l_free);
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l_dbus_unregister_interface(dbus_get_bus(), IWD_NETWORK_INTERFACE);
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}
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232
src/wiphy.c
232
src/wiphy.c
@ -272,43 +272,6 @@ enum ie_rsn_cipher_suite wiphy_select_cipher(struct wiphy *wiphy, uint16_t mask)
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return 0;
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}
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static struct scan_bss *network_select_bss(struct wiphy *wiphy,
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struct network *network)
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{
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struct l_queue *bss_list = network->bss_list;
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const struct l_queue_entry *bss_entry;
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/* TODO: sort the list by RSSI, potentially other criteria. */
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switch (network->security) {
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case SECURITY_NONE:
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/* Pick the first bss (strongest signal) */
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return l_queue_peek_head(bss_list);
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case SECURITY_PSK:
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case SECURITY_8021X:
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/* Pick the first bss that advertises any cipher we support. */
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for (bss_entry = l_queue_get_entries(bss_list); bss_entry;
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bss_entry = bss_entry->next) {
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struct scan_bss *bss = bss_entry->data;
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uint16_t pairwise_ciphers, group_ciphers;
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bss_get_supported_ciphers(bss, &pairwise_ciphers,
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&group_ciphers);
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if (wiphy_select_cipher(wiphy, pairwise_ciphers) &&
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wiphy_select_cipher(wiphy,
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group_ciphers))
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return bss;
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}
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return NULL;
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default:
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return NULL;
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}
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}
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static int mlme_authenticate_cmd(struct network *network, struct scan_bss *bss)
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{
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struct netdev *netdev = network_get_netdev(network);
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@ -341,189 +304,6 @@ void device_connect_network(struct netdev *device, struct network *network,
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mlme_authenticate_cmd(network, bss);
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}
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static void passphrase_callback(enum agent_result result,
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const char *passphrase,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct network *network = user_data;
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struct wiphy *wiphy = device_get_wiphy(network->netdev);
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struct scan_bss *bss;
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l_debug("result %d", result);
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network->agent_request = 0;
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if (result != AGENT_RESULT_OK) {
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dbus_pending_reply(&message, dbus_error_aborted(message));
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goto err;
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}
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bss = network_select_bss(wiphy, network);
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/* Did all good BSSes go away while we waited */
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if (!bss) {
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dbus_pending_reply(&message, dbus_error_failed(message));
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goto err;
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}
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l_free(network->psk);
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network->psk = l_malloc(32);
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if (crypto_psk_from_passphrase(passphrase, (uint8_t *) network->ssid,
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strlen(network->ssid),
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network->psk) < 0) {
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l_error("PMK generation failed. "
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"Ensure Crypto Engine is properly configured");
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dbus_pending_reply(&message, dbus_error_failed(message));
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goto err;
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}
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/*
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* We need to store the PSK in our permanent store. However, before
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* we do that, make sure the PSK works. We write to the store only
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* when we are connected
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*/
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network->update_psk = true;
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device_connect_network(network->netdev, network, bss, message);
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return;
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err:
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network_settings_close(network);
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l_free(network->psk);
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network->psk = NULL;
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}
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static struct l_dbus_message *network_connect_psk(struct network *network,
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struct scan_bss *bss,
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struct l_dbus_message *message)
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{
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struct netdev *netdev = network->netdev;
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const char *psk;
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l_debug("");
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network_settings_load(network);
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psk = l_settings_get_value(network->settings, "Security",
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"PreSharedKey");
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if (psk) {
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size_t len;
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l_debug("psk: %s", psk);
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l_free(network->psk);
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network->psk = l_util_from_hexstring(psk, &len);
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l_debug("len: %zd", len);
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if (network->psk && len != 32) {
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l_debug("Can't parse PSK");
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l_free(network->psk);
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network->psk = NULL;
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}
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}
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l_debug("ask_psk: %s", network->ask_psk ? "true" : "false");
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if (network->ask_psk || !network->psk) {
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network->ask_psk = false;
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network->agent_request =
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agent_request_passphrase(network->object_path,
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passphrase_callback,
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message,
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network);
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if (!network->agent_request)
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return dbus_error_no_agent(message);
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} else
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device_connect_network(netdev, network, bss, message);
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return NULL;
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}
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static struct l_dbus_message *network_connect(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct network *network = user_data;
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struct netdev *netdev = network->netdev;
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struct scan_bss *bss;
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l_debug("");
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if (device_is_busy(netdev))
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return dbus_error_busy(message);
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/*
|
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* Select the best BSS to use at this time. If we have to query the
|
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* agent this may not be the final choice because BSS visibility can
|
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* change while we wait for the agent.
|
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*/
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bss = network_select_bss(device_get_wiphy(netdev), network);
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/* None of the BSSes is compatible with our stack */
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if (!bss)
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return dbus_error_not_supported(message);
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switch (network->security) {
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case SECURITY_PSK:
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return network_connect_psk(network, bss, message);
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case SECURITY_NONE:
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device_connect_network(netdev, network, bss, message);
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return NULL;
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case SECURITY_8021X:
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network_settings_load(network);
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device_connect_network(netdev, network, bss, message);
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return NULL;
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default:
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return dbus_error_not_supported(message);
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}
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}
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static bool network_property_get_name(struct l_dbus *dbus,
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struct l_dbus_message *message,
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struct l_dbus_message_builder *builder,
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void *user_data)
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{
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struct network *network = user_data;
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l_dbus_message_builder_append_basic(builder, 's', network->ssid);
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return true;
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}
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static bool network_property_is_connected(struct l_dbus *dbus,
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struct l_dbus_message *message,
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struct l_dbus_message_builder *builder,
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void *user_data)
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{
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struct network *network = user_data;
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bool connected;
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connected = network->netdev->connected_network == network;
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l_dbus_message_builder_append_basic(builder, 'b', &connected);
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return true;
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}
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static void setup_network_interface(struct l_dbus_interface *interface)
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{
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l_dbus_interface_method(interface, "Connect", 0,
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network_connect,
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"", "");
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l_dbus_interface_property(interface, "Name", 0, "s",
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network_property_get_name, NULL);
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l_dbus_interface_property(interface, "Connected", 0, "b",
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network_property_is_connected,
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NULL);
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}
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static void bss_free(void *data)
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{
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struct scan_bss *bss = data;
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@ -2276,20 +2056,11 @@ bool wiphy_init(struct l_genl_family *in)
|
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l_queue_destroy(wiphy_list, NULL);
|
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}
|
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|
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if (!l_dbus_register_interface(dbus_get_bus(),
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IWD_NETWORK_INTERFACE,
|
||||
setup_network_interface,
|
||||
NULL, true))
|
||||
return false;
|
||||
|
||||
if (!l_dbus_register_interface(dbus_get_bus(),
|
||||
IWD_DEVICE_INTERFACE,
|
||||
setup_device_interface,
|
||||
NULL, true)) {
|
||||
l_dbus_unregister_interface(dbus_get_bus(),
|
||||
IWD_NETWORK_INTERFACE);
|
||||
NULL, true))
|
||||
return false;
|
||||
}
|
||||
|
||||
nl80211 = in;
|
||||
|
||||
@ -2342,7 +2113,6 @@ bool wiphy_exit(void)
|
||||
nl80211 = NULL;
|
||||
|
||||
l_dbus_unregister_interface(dbus_get_bus(), IWD_DEVICE_INTERFACE);
|
||||
l_dbus_unregister_interface(dbus_get_bus(), IWD_NETWORK_INTERFACE);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user