Revert "[wpa_supplicant] Cumulative patch from b8491ae5a"
This reverts commit 878cf7bcbf2d7d8f08c3d060b8c5fbfcf0743eda.
Reason for revert: git_master/sdk_phone_armv7-sdk
Change-Id: I6070fc5c1f9c20867f6dfce90e529e35578d572e
diff --git a/src/common/dpp.c b/src/common/dpp.c
index 3eb86c5..49de476 100644
--- a/src/common/dpp.c
+++ b/src/common/dpp.c
@@ -8,7 +8,6 @@
*/
#include "utils/includes.h"
-#include <fcntl.h>
#include <openssl/opensslv.h>
#include <openssl/err.h>
#include <openssl/asn1.h>
@@ -17,8 +16,6 @@
#include "utils/common.h"
#include "utils/base64.h"
#include "utils/json.h"
-#include "utils/ip_addr.h"
-#include "utils/eloop.h"
#include "common/ieee802_11_common.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_ctrl.h"
@@ -73,62 +70,9 @@
#endif
-struct dpp_connection {
- struct dl_list list;
- struct dpp_controller *ctrl;
- struct dpp_relay_controller *relay;
- struct dpp_global *global;
- struct dpp_authentication *auth;
- int sock;
- u8 mac_addr[ETH_ALEN];
- unsigned int freq;
- u8 msg_len[4];
- size_t msg_len_octets;
- struct wpabuf *msg;
- struct wpabuf *msg_out;
- size_t msg_out_pos;
- unsigned int read_eloop:1;
- unsigned int write_eloop:1;
- unsigned int on_tcp_tx_complete_gas_done:1;
- unsigned int on_tcp_tx_complete_remove:1;
- unsigned int on_tcp_tx_complete_auth_ok:1;
-};
-
-/* Remote Controller */
-struct dpp_relay_controller {
- struct dl_list list;
- struct dpp_global *global;
- u8 pkhash[SHA256_MAC_LEN];
- struct hostapd_ip_addr ipaddr;
- void *cb_ctx;
- void (*tx)(void *ctx, const u8 *addr, unsigned int freq, const u8 *msg,
- size_t len);
- void (*gas_resp_tx)(void *ctx, const u8 *addr, u8 dialog_token,
- int prot, struct wpabuf *buf);
- struct dl_list conn; /* struct dpp_connection */
-};
-
-/* Local Controller */
-struct dpp_controller {
- struct dpp_global *global;
- u8 allowed_roles;
- int qr_mutual;
- int sock;
- struct dl_list conn; /* struct dpp_connection */
- char *configurator_params;
-};
-
struct dpp_global {
- void *msg_ctx;
struct dl_list bootstrap; /* struct dpp_bootstrap_info */
struct dl_list configurator; /* struct dpp_configurator */
-#ifdef CONFIG_DPP2
- struct dl_list controllers; /* struct dpp_relay_controller */
- struct dpp_controller *controller;
- struct dl_list tcp_init; /* struct dpp_connection */
- void *cb_ctx;
- int (*process_conf_obj)(void *ctx, struct dpp_authentication *auth);
-#endif /* CONFIG_DPP2 */
};
static const struct dpp_curve_params dpp_curves[] = {
@@ -745,19 +689,17 @@
int dpp_parse_uri_chan_list(struct dpp_bootstrap_info *bi,
const char *chan_list)
{
- const char *pos = chan_list, *pos2;
- int opclass = -1, channel, freq;
+ const char *pos = chan_list;
+ int opclass, channel, freq;
while (pos && *pos && *pos != ';') {
- pos2 = pos;
- while (*pos2 >= '0' && *pos2 <= '9')
- pos2++;
- if (*pos2 == '/') {
- opclass = atoi(pos);
- pos = pos2 + 1;
- }
+ opclass = atoi(pos);
if (opclass <= 0)
goto fail;
+ pos = os_strchr(pos, '/');
+ if (!pos)
+ goto fail;
+ pos++;
channel = atoi(pos);
if (channel <= 0)
goto fail;
@@ -1137,7 +1079,7 @@
static EVP_PKEY * dpp_gen_keypair(const struct dpp_curve_params *curve)
{
EVP_PKEY_CTX *kctx = NULL;
- EC_KEY *ec_params = NULL;
+ EC_KEY *ec_params;
EVP_PKEY *params = NULL, *key = NULL;
int nid;
@@ -1168,18 +1110,19 @@
EVP_PKEY_keygen_init(kctx) != 1 ||
EVP_PKEY_keygen(kctx, &key) != 1) {
wpa_printf(MSG_ERROR, "DPP: Failed to generate EC key");
- key = NULL;
goto fail;
}
if (wpa_debug_show_keys)
dpp_debug_print_key("Own generated key", key);
-fail:
- EC_KEY_free(ec_params);
EVP_PKEY_free(params);
EVP_PKEY_CTX_free(kctx);
return key;
+fail:
+ EVP_PKEY_CTX_free(kctx);
+ EVP_PKEY_free(params);
+ return NULL;
}
@@ -2789,7 +2732,6 @@
#endif /* CONFIG_TESTING_OPTIONS */
wpa_hexdump(MSG_DEBUG, "DPP: R-nonce", auth->r_nonce, nonce_len);
- EVP_PKEY_free(auth->own_protocol_key);
#ifdef CONFIG_TESTING_OPTIONS
if (dpp_protocol_key_override_len) {
const struct dpp_curve_params *tmp_curve;
@@ -3756,7 +3698,6 @@
}
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
- EVP_PKEY_free(auth->peer_protocol_key);
auth->peer_protocol_key = pr;
pr = NULL;
@@ -5258,7 +5199,6 @@
pkey = dpp_set_pubkey_point_group(group, wpabuf_head(x), wpabuf_head(y),
wpabuf_len(x));
- EC_GROUP_free(group);
*key_curve = curve;
fail:
@@ -6595,7 +6535,6 @@
EC_GROUP *group;
size_t len = curve->prime_len;
const u8 *x, *y;
- EVP_PKEY *res;
switch (curve->ike_group) {
case 19:
@@ -6629,16 +6568,14 @@
group = EC_GROUP_new_by_curve_name(OBJ_txt2nid(curve->name));
if (!group)
return NULL;
- res = dpp_set_pubkey_point_group(group, x, y, len);
- EC_GROUP_free(group);
- return res;
+ return dpp_set_pubkey_point_group(group, x, y, len);
}
static EC_POINT * dpp_pkex_derive_Qi(const struct dpp_curve_params *curve,
const u8 *mac_init, const char *code,
const char *identifier, BN_CTX *bnctx,
- EC_GROUP **ret_group)
+ const EC_GROUP **ret_group)
{
u8 hash[DPP_MAX_HASH_LEN];
const u8 *addr[3];
@@ -6707,10 +6644,8 @@
EC_KEY_free(Pi_ec);
EVP_PKEY_free(Pi);
BN_clear_free(hash_bn);
- if (ret_group && Qi)
+ if (ret_group)
*ret_group = group2;
- else
- EC_GROUP_free(group2);
return Qi;
fail:
EC_POINT_free(Qi);
@@ -6722,7 +6657,7 @@
static EC_POINT * dpp_pkex_derive_Qr(const struct dpp_curve_params *curve,
const u8 *mac_resp, const char *code,
const char *identifier, BN_CTX *bnctx,
- EC_GROUP **ret_group)
+ const EC_GROUP **ret_group)
{
u8 hash[DPP_MAX_HASH_LEN];
const u8 *addr[3];
@@ -6791,10 +6726,8 @@
EC_KEY_free(Pr_ec);
EVP_PKEY_free(Pr);
BN_clear_free(hash_bn);
- if (ret_group && Qr)
+ if (ret_group)
*ret_group = group2;
- else
- EC_GROUP_free(group2);
return Qr;
fail:
EC_POINT_free(Qr);
@@ -6863,7 +6796,6 @@
BN_free(y);
EC_POINT_free(point);
BN_CTX_free(ctx);
- EC_GROUP_free(group);
return ret;
}
@@ -6875,7 +6807,7 @@
EC_KEY *X_ec = NULL;
const EC_POINT *X_point;
BN_CTX *bnctx = NULL;
- EC_GROUP *group = NULL;
+ const EC_GROUP *group;
EC_POINT *Qi = NULL, *M = NULL;
struct wpabuf *M_buf = NULL;
BIGNUM *Mx = NULL, *My = NULL;
@@ -6997,7 +6929,6 @@
BN_clear_free(Mx);
BN_clear_free(My);
BN_CTX_free(bnctx);
- EC_GROUP_free(group);
return msg;
fail:
wpa_printf(MSG_INFO, "DPP: Failed to build PKEX Exchange Request");
@@ -7242,7 +7173,7 @@
struct dpp_pkex *pkex = NULL;
EC_POINT *Qi = NULL, *Qr = NULL, *M = NULL, *X = NULL, *N = NULL;
BN_CTX *bnctx = NULL;
- EC_GROUP *group = NULL;
+ const EC_GROUP *group;
BIGNUM *Mx = NULL, *My = NULL;
EC_KEY *Y_ec = NULL, *X_ec = NULL;;
const EC_POINT *Y_point;
@@ -7459,7 +7390,6 @@
EC_POINT_free(X);
EC_KEY_free(X_ec);
EC_KEY_free(Y_ec);
- EC_GROUP_free(group);
return pkex;
fail:
wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Request processing failed");
@@ -7588,7 +7518,7 @@
{
const u8 *attr_status, *attr_id, *attr_key, *attr_group;
u16 attr_status_len, attr_id_len, attr_key_len, attr_group_len;
- EC_GROUP *group = NULL;
+ const EC_GROUP *group;
BN_CTX *bnctx = NULL;
struct wpabuf *msg = NULL, *A_pub = NULL, *X_pub = NULL, *Y_pub = NULL;
const struct dpp_curve_params *curve = pkex->own_bi->curve;
@@ -7785,7 +7715,6 @@
EC_KEY_free(Y_ec);
EVP_PKEY_CTX_free(ctx);
BN_CTX_free(bnctx);
- EC_GROUP_free(group);
return msg;
fail:
wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Response processing failed");
@@ -8604,25 +8533,20 @@
char *reply, int reply_size)
{
struct dpp_bootstrap_info *bi;
- char pkhash[2 * SHA256_MAC_LEN + 1];
bi = dpp_bootstrap_get_id(dpp, id);
if (!bi)
return -1;
- wpa_snprintf_hex(pkhash, sizeof(pkhash), bi->pubkey_hash,
- SHA256_MAC_LEN);
return os_snprintf(reply, reply_size, "type=%s\n"
"mac_addr=" MACSTR "\n"
"info=%s\n"
"num_freq=%u\n"
- "curve=%s\n"
- "pkhash=%s\n",
+ "curve=%s\n",
dpp_bootstrap_type_txt(bi->type),
MAC2STR(bi->mac_addr),
bi->info ? bi->info : "",
bi->num_freq,
- bi->curve->name,
- pkhash);
+ bi->curve->name);
}
@@ -8765,88 +8689,16 @@
}
-#ifdef CONFIG_DPP2
-
-static void dpp_connection_free(struct dpp_connection *conn)
-{
- if (conn->sock >= 0) {
- wpa_printf(MSG_DEBUG, "DPP: Close Controller socket %d",
- conn->sock);
- eloop_unregister_sock(conn->sock, EVENT_TYPE_READ);
- eloop_unregister_sock(conn->sock, EVENT_TYPE_WRITE);
- close(conn->sock);
- }
- wpabuf_free(conn->msg);
- wpabuf_free(conn->msg_out);
- dpp_auth_deinit(conn->auth);
- os_free(conn);
-}
-
-
-static void dpp_connection_remove(struct dpp_connection *conn)
-{
- dl_list_del(&conn->list);
- dpp_connection_free(conn);
-}
-
-
-static void dpp_tcp_init_flush(struct dpp_global *dpp)
-{
- struct dpp_connection *conn, *tmp;
-
- dl_list_for_each_safe(conn, tmp, &dpp->tcp_init, struct dpp_connection,
- list)
- dpp_connection_remove(conn);
-}
-
-
-static void dpp_relay_controller_free(struct dpp_relay_controller *ctrl)
-{
- struct dpp_connection *conn, *tmp;
-
- dl_list_for_each_safe(conn, tmp, &ctrl->conn, struct dpp_connection,
- list)
- dpp_connection_remove(conn);
- os_free(ctrl);
-}
-
-
-static void dpp_relay_flush_controllers(struct dpp_global *dpp)
-{
- struct dpp_relay_controller *ctrl, *tmp;
-
- if (!dpp)
- return;
-
- dl_list_for_each_safe(ctrl, tmp, &dpp->controllers,
- struct dpp_relay_controller, list) {
- dl_list_del(&ctrl->list);
- dpp_relay_controller_free(ctrl);
- }
-}
-
-#endif /* CONFIG_DPP2 */
-
-
-struct dpp_global * dpp_global_init(struct dpp_global_config *config)
+struct dpp_global * dpp_global_init(void)
{
struct dpp_global *dpp;
dpp = os_zalloc(sizeof(*dpp));
if (!dpp)
return NULL;
- dpp->msg_ctx = config->msg_ctx;
-#ifdef CONFIG_DPP2
- dpp->cb_ctx = config->cb_ctx;
- dpp->process_conf_obj = config->process_conf_obj;
-#endif /* CONFIG_DPP2 */
dl_list_init(&dpp->bootstrap);
dl_list_init(&dpp->configurator);
-#ifdef CONFIG_DPP2
- dl_list_init(&dpp->controllers);
- dl_list_init(&dpp->tcp_init);
-#endif /* CONFIG_DPP2 */
return dpp;
}
@@ -8859,11 +8711,6 @@
dpp_bootstrap_del(dpp, 0);
dpp_configurator_del(dpp, 0);
-#ifdef CONFIG_DPP2
- dpp_tcp_init_flush(dpp);
- dpp_relay_flush_controllers(dpp);
- dpp_controller_stop(dpp);
-#endif /* CONFIG_DPP2 */
}
@@ -8872,1233 +8719,3 @@
dpp_global_clear(dpp);
os_free(dpp);
}
-
-
-#ifdef CONFIG_DPP2
-
-static void dpp_controller_rx(int sd, void *eloop_ctx, void *sock_ctx);
-static void dpp_conn_tx_ready(int sock, void *eloop_ctx, void *sock_ctx);
-static void dpp_controller_auth_success(struct dpp_connection *conn,
- int initiator);
-
-
-int dpp_relay_add_controller(struct dpp_global *dpp,
- struct dpp_relay_config *config)
-{
- struct dpp_relay_controller *ctrl;
-
- if (!dpp)
- return -1;
-
- ctrl = os_zalloc(sizeof(*ctrl));
- if (!ctrl)
- return -1;
- dl_list_init(&ctrl->conn);
- ctrl->global = dpp;
- os_memcpy(&ctrl->ipaddr, config->ipaddr, sizeof(*config->ipaddr));
- os_memcpy(ctrl->pkhash, config->pkhash, SHA256_MAC_LEN);
- ctrl->cb_ctx = config->cb_ctx;
- ctrl->tx = config->tx;
- ctrl->gas_resp_tx = config->gas_resp_tx;
- dl_list_add(&dpp->controllers, &ctrl->list);
- return 0;
-}
-
-
-static struct dpp_relay_controller *
-dpp_relay_controller_get(struct dpp_global *dpp, const u8 *pkhash)
-{
- struct dpp_relay_controller *ctrl;
-
- if (!dpp)
- return NULL;
-
- dl_list_for_each(ctrl, &dpp->controllers, struct dpp_relay_controller,
- list) {
- if (os_memcmp(pkhash, ctrl->pkhash, SHA256_MAC_LEN) == 0)
- return ctrl;
- }
-
- return NULL;
-}
-
-
-static void dpp_controller_gas_done(struct dpp_connection *conn)
-{
- struct dpp_authentication *auth = conn->auth;
-
- if (auth->peer_version >= 2 &&
- auth->conf_resp_status == DPP_STATUS_OK) {
- wpa_printf(MSG_DEBUG, "DPP: Wait for Configuration Result");
- auth->waiting_conf_result = 1;
- return;
- }
-
- wpa_msg(conn->ctrl->global->msg_ctx, MSG_INFO, DPP_EVENT_CONF_SENT);
- dpp_connection_remove(conn);
-}
-
-
-static int dpp_tcp_send(struct dpp_connection *conn)
-{
- int res;
-
- if (!conn->msg_out) {
- eloop_unregister_sock(conn->sock, EVENT_TYPE_WRITE);
- conn->write_eloop = 0;
- return -1;
- }
- res = send(conn->sock,
- wpabuf_head_u8(conn->msg_out) + conn->msg_out_pos,
- wpabuf_len(conn->msg_out) - conn->msg_out_pos, 0);
- if (res < 0) {
- wpa_printf(MSG_DEBUG, "DPP: Failed to send buffer: %s",
- strerror(errno));
- dpp_connection_remove(conn);
- return -1;
- }
-
- conn->msg_out_pos += res;
- if (wpabuf_len(conn->msg_out) > conn->msg_out_pos) {
- wpa_printf(MSG_DEBUG,
- "DPP: %u/%u bytes of message sent to Controller",
- (unsigned int) conn->msg_out_pos,
- (unsigned int) wpabuf_len(conn->msg_out));
- if (!conn->write_eloop &&
- eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready, conn, NULL) == 0)
- conn->write_eloop = 1;
- return 1;
- }
-
- wpa_printf(MSG_DEBUG, "DPP: Full message sent over TCP");
- wpabuf_free(conn->msg_out);
- conn->msg_out = NULL;
- conn->msg_out_pos = 0;
- eloop_unregister_sock(conn->sock, EVENT_TYPE_WRITE);
- conn->write_eloop = 0;
- if (!conn->read_eloop &&
- eloop_register_sock(conn->sock, EVENT_TYPE_READ,
- dpp_controller_rx, conn, NULL) == 0)
- conn->read_eloop = 1;
- if (conn->on_tcp_tx_complete_remove) {
- dpp_connection_remove(conn);
- } else if (conn->ctrl && conn->on_tcp_tx_complete_gas_done &&
- conn->auth) {
- dpp_controller_gas_done(conn);
- } else if (conn->on_tcp_tx_complete_auth_ok) {
- conn->on_tcp_tx_complete_auth_ok = 0;
- dpp_controller_auth_success(conn, 1);
- }
-
- return 0;
-}
-
-
-static void dpp_controller_start_gas_client(struct dpp_connection *conn)
-{
- struct dpp_authentication *auth = conn->auth;
- struct wpabuf *buf;
- char json[100];
- int netrole_ap = 0; /* TODO: make this configurable */
-
- os_snprintf(json, sizeof(json),
- "{\"name\":\"Test\","
- "\"wi-fi_tech\":\"infra\","
- "\"netRole\":\"%s\"}",
- netrole_ap ? "ap" : "sta");
-#ifdef CONFIG_TESTING_OPTIONS
- if (dpp_test == DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ) {
- wpa_printf(MSG_INFO, "DPP: TESTING - invalid Config Attr");
- json[29] = 'k'; /* replace "infra" with "knfra" */
- }
-#endif /* CONFIG_TESTING_OPTIONS */
- wpa_printf(MSG_DEBUG, "DPP: GAS Config Attributes: %s", json);
-
- buf = dpp_build_conf_req(auth, json);
- if (!buf) {
- wpa_printf(MSG_DEBUG,
- "DPP: No configuration request data available");
- return;
- }
-
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = wpabuf_alloc(4 + wpabuf_len(buf) - 1);
- if (!conn->msg_out) {
- wpabuf_free(buf);
- return;
- }
- wpabuf_put_be32(conn->msg_out, wpabuf_len(buf) - 1);
- wpabuf_put_data(conn->msg_out, wpabuf_head(buf) + 1,
- wpabuf_len(buf) - 1);
- wpabuf_free(buf);
-
- if (dpp_tcp_send(conn) == 1) {
- if (!conn->write_eloop) {
- if (eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready,
- conn, NULL) < 0)
- return;
- conn->write_eloop = 1;
- }
- }
-}
-
-
-static void dpp_controller_auth_success(struct dpp_connection *conn,
- int initiator)
-{
- struct dpp_authentication *auth = conn->auth;
-
- if (!auth)
- return;
-
- wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded");
- wpa_msg(conn->global->msg_ctx, MSG_INFO,
- DPP_EVENT_AUTH_SUCCESS "init=%d", initiator);
-#ifdef CONFIG_TESTING_OPTIONS
- if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) {
- wpa_printf(MSG_INFO,
- "DPP: TESTING - stop at Authentication Confirm");
- if (auth->configurator) {
- /* Prevent GAS response */
- auth->auth_success = 0;
- }
- return;
- }
-#endif /* CONFIG_TESTING_OPTIONS */
-
- if (!auth->configurator)
- dpp_controller_start_gas_client(conn);
-}
-
-
-static void dpp_conn_tx_ready(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct dpp_connection *conn = eloop_ctx;
-
- wpa_printf(MSG_DEBUG, "DPP: TCP socket %d ready for TX", sock);
- dpp_tcp_send(conn);
-}
-
-
-static int dpp_ipaddr_to_sockaddr(struct sockaddr *addr, socklen_t *addrlen,
- const struct hostapd_ip_addr *ipaddr,
- int port)
-{
- struct sockaddr_in *dst;
-#ifdef CONFIG_IPV6
- struct sockaddr_in6 *dst6;
-#endif /* CONFIG_IPV6 */
-
- switch (ipaddr->af) {
- case AF_INET:
- dst = (struct sockaddr_in *) addr;
- os_memset(dst, 0, sizeof(*dst));
- dst->sin_family = AF_INET;
- dst->sin_addr.s_addr = ipaddr->u.v4.s_addr;
- dst->sin_port = htons(port);
- *addrlen = sizeof(*dst);
- break;
-#ifdef CONFIG_IPV6
- case AF_INET6:
- dst6 = (struct sockaddr_in6 *) addr;
- os_memset(dst6, 0, sizeof(*dst6));
- dst6->sin6_family = AF_INET6;
- os_memcpy(&dst6->sin6_addr, &ipaddr->u.v6,
- sizeof(struct in6_addr));
- dst6->sin6_port = htons(port);
- *addrlen = sizeof(*dst6);
- break;
-#endif /* CONFIG_IPV6 */
- default:
- return -1;
- }
-
- return 0;
-}
-
-
-static struct dpp_connection *
-dpp_relay_new_conn(struct dpp_relay_controller *ctrl, const u8 *src,
- unsigned int freq)
-{
- struct dpp_connection *conn;
- struct sockaddr_storage addr;
- socklen_t addrlen;
- char txt[100];
-
- if (dl_list_len(&ctrl->conn) >= 15) {
- wpa_printf(MSG_DEBUG,
- "DPP: Too many ongoing Relay connections to the Controller - cannot start a new one");
- return NULL;
- }
-
- if (dpp_ipaddr_to_sockaddr((struct sockaddr *) &addr, &addrlen,
- &ctrl->ipaddr, DPP_TCP_PORT) < 0)
- return NULL;
-
- conn = os_zalloc(sizeof(*conn));
- if (!conn)
- return NULL;
-
- conn->global = ctrl->global;
- conn->relay = ctrl;
- os_memcpy(conn->mac_addr, src, ETH_ALEN);
- conn->freq = freq;
-
- conn->sock = socket(AF_INET, SOCK_STREAM, 0);
- if (conn->sock < 0)
- goto fail;
- wpa_printf(MSG_DEBUG, "DPP: TCP relay socket %d connection to %s",
- conn->sock, hostapd_ip_txt(&ctrl->ipaddr, txt, sizeof(txt)));
-
- if (fcntl(conn->sock, F_SETFL, O_NONBLOCK) != 0) {
- wpa_printf(MSG_DEBUG, "DPP: fnctl(O_NONBLOCK) failed: %s",
- strerror(errno));
- goto fail;
- }
-
- if (connect(conn->sock, (struct sockaddr *) &addr, addrlen) < 0) {
- if (errno != EINPROGRESS) {
- wpa_printf(MSG_DEBUG, "DPP: Failed to connect: %s",
- strerror(errno));
- goto fail;
- }
-
- /*
- * Continue connecting in the background; eloop will call us
- * once the connection is ready (or failed).
- */
- }
-
- if (eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready, conn, NULL) < 0)
- goto fail;
- conn->write_eloop = 1;
-
- /* TODO: eloop timeout to clear a connection if it does not complete
- * properly */
-
- dl_list_add(&ctrl->conn, &conn->list);
- return conn;
-fail:
- dpp_connection_free(conn);
- return NULL;
-}
-
-
-static struct wpabuf * dpp_tcp_encaps(const u8 *hdr, const u8 *buf, size_t len)
-{
- struct wpabuf *msg;
-
- msg = wpabuf_alloc(4 + 1 + DPP_HDR_LEN + len);
- if (!msg)
- return NULL;
- wpabuf_put_be32(msg, 1 + DPP_HDR_LEN + len);
- wpabuf_put_u8(msg, WLAN_PA_VENDOR_SPECIFIC);
- wpabuf_put_data(msg, hdr, DPP_HDR_LEN);
- wpabuf_put_data(msg, buf, len);
- wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Outgoing TCP message", msg);
- return msg;
-}
-
-
-static int dpp_relay_tx(struct dpp_connection *conn, const u8 *hdr,
- const u8 *buf, size_t len)
-{
- u8 type = hdr[DPP_HDR_LEN - 1];
-
- wpa_printf(MSG_DEBUG,
- "DPP: Continue already established Relay/Controller connection for this session");
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = dpp_tcp_encaps(hdr, buf, len);
- if (!conn->msg_out) {
- dpp_connection_remove(conn);
- return -1;
- }
-
- /* TODO: for proto ver 1, need to do remove connection based on GAS Resp
- * TX status */
- if (type == DPP_PA_CONFIGURATION_RESULT)
- conn->on_tcp_tx_complete_remove = 1;
- dpp_tcp_send(conn);
- return 0;
-}
-
-
-int dpp_relay_rx_action(struct dpp_global *dpp, const u8 *src, const u8 *hdr,
- const u8 *buf, size_t len, unsigned int freq,
- const u8 *i_bootstrap, const u8 *r_bootstrap)
-{
- struct dpp_relay_controller *ctrl;
- struct dpp_connection *conn;
- u8 type = hdr[DPP_HDR_LEN - 1];
-
- /* Check if there is an already started session for this peer and if so,
- * continue that session (send this over TCP) and return 0.
- */
- if (type != DPP_PA_PEER_DISCOVERY_REQ &&
- type != DPP_PA_PEER_DISCOVERY_RESP) {
- dl_list_for_each(ctrl, &dpp->controllers,
- struct dpp_relay_controller, list) {
- dl_list_for_each(conn, &ctrl->conn,
- struct dpp_connection, list) {
- if (os_memcmp(src, conn->mac_addr,
- ETH_ALEN) == 0)
- return dpp_relay_tx(conn, hdr, buf, len);
- }
- }
- }
-
- if (!r_bootstrap)
- return -1;
-
- ctrl = dpp_relay_controller_get(dpp, r_bootstrap);
- if (!ctrl)
- return -1;
-
- wpa_printf(MSG_DEBUG,
- "DPP: Authentication Request for a configured Controller");
- conn = dpp_relay_new_conn(ctrl, src, freq);
- if (!conn)
- return -1;
-
- conn->msg_out = dpp_tcp_encaps(hdr, buf, len);
- if (!conn->msg_out) {
- dpp_connection_remove(conn);
- return -1;
- }
- /* Message will be sent in dpp_conn_tx_ready() */
-
- return 0;
-}
-
-
-int dpp_relay_rx_gas_req(struct dpp_global *dpp, const u8 *src, const u8 *data,
- size_t data_len)
-{
- struct dpp_relay_controller *ctrl;
- struct dpp_connection *conn, *found = NULL;
- struct wpabuf *msg;
-
- /* Check if there is a successfully completed authentication for this
- * and if so, continue that session (send this over TCP) and return 0.
- */
- dl_list_for_each(ctrl, &dpp->controllers,
- struct dpp_relay_controller, list) {
- if (found)
- break;
- dl_list_for_each(conn, &ctrl->conn,
- struct dpp_connection, list) {
- if (os_memcmp(src, conn->mac_addr,
- ETH_ALEN) == 0) {
- found = conn;
- break;
- }
- }
- }
-
- if (!found)
- return -1;
-
- msg = wpabuf_alloc(4 + 1 + data_len);
- if (!msg)
- return -1;
- wpabuf_put_be32(msg, 1 + data_len);
- wpabuf_put_u8(msg, WLAN_PA_GAS_INITIAL_REQ);
- wpabuf_put_data(msg, data, data_len);
- wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Outgoing TCP message", msg);
-
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = msg;
- dpp_tcp_send(conn);
- return 0;
-}
-
-
-static void dpp_controller_free(struct dpp_controller *ctrl)
-{
- struct dpp_connection *conn, *tmp;
-
- if (!ctrl)
- return;
-
- dl_list_for_each_safe(conn, tmp, &ctrl->conn, struct dpp_connection,
- list)
- dpp_connection_remove(conn);
-
- if (ctrl->sock >= 0) {
- close(ctrl->sock);
- eloop_unregister_sock(ctrl->sock, EVENT_TYPE_READ);
- }
- os_free(ctrl->configurator_params);
- os_free(ctrl);
-}
-
-
-static int dpp_controller_rx_auth_req(struct dpp_connection *conn,
- const u8 *hdr, const u8 *buf, size_t len)
-{
- const u8 *r_bootstrap, *i_bootstrap;
- u16 r_bootstrap_len, i_bootstrap_len;
- struct dpp_bootstrap_info *own_bi = NULL, *peer_bi = NULL;
-
- if (!conn->ctrl)
- return 0;
-
- wpa_printf(MSG_DEBUG, "DPP: Authentication Request");
-
- r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH,
- &r_bootstrap_len);
- if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) {
- wpa_printf(MSG_INFO,
- "Missing or invalid required Responder Bootstrapping Key Hash attribute");
- return -1;
- }
- wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash",
- r_bootstrap, r_bootstrap_len);
-
- i_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH,
- &i_bootstrap_len);
- if (!i_bootstrap || i_bootstrap_len != SHA256_MAC_LEN) {
- wpa_printf(MSG_INFO,
- "Missing or invalid required Initiator Bootstrapping Key Hash attribute");
- return -1;
- }
- wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash",
- i_bootstrap, i_bootstrap_len);
-
- /* Try to find own and peer bootstrapping key matches based on the
- * received hash values */
- dpp_bootstrap_find_pair(conn->ctrl->global, i_bootstrap, r_bootstrap,
- &own_bi, &peer_bi);
- if (!own_bi) {
- wpa_printf(MSG_INFO,
- "No matching own bootstrapping key found - ignore message");
- return -1;
- }
-
- if (conn->auth) {
- wpa_printf(MSG_INFO,
- "Already in DPP authentication exchange - ignore new one");
- return 0;
- }
-
- conn->auth = dpp_auth_req_rx(conn->ctrl->global->msg_ctx,
- conn->ctrl->allowed_roles,
- conn->ctrl->qr_mutual,
- peer_bi, own_bi, -1, hdr, buf, len);
- if (!conn->auth) {
- wpa_printf(MSG_DEBUG, "DPP: No response generated");
- return -1;
- }
-
- if (dpp_set_configurator(conn->ctrl->global, conn->ctrl->global->msg_ctx,
- conn->auth,
- conn->ctrl->configurator_params) < 0) {
- dpp_connection_remove(conn);
- return -1;
- }
-
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = wpabuf_alloc(4 + wpabuf_len(conn->auth->resp_msg) - 1);
- if (!conn->msg_out)
- return -1;
- wpabuf_put_be32(conn->msg_out, wpabuf_len(conn->auth->resp_msg) - 1);
- wpabuf_put_data(conn->msg_out, wpabuf_head(conn->auth->resp_msg) + 1,
- wpabuf_len(conn->auth->resp_msg) - 1);
-
- if (dpp_tcp_send(conn) == 1) {
- if (!conn->write_eloop) {
- if (eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready,
- conn, NULL) < 0)
- return -1;
- conn->write_eloop = 1;
- }
- }
-
- return 0;
-}
-
-
-static int dpp_controller_rx_auth_resp(struct dpp_connection *conn,
- const u8 *hdr, const u8 *buf, size_t len)
-{
- struct dpp_authentication *auth = conn->auth;
- struct wpabuf *msg;
-
- if (!auth)
- return -1;
-
- wpa_printf(MSG_DEBUG, "DPP: Authentication Response");
-
- msg = dpp_auth_resp_rx(auth, hdr, buf, len);
- if (!msg) {
- if (auth->auth_resp_status == DPP_STATUS_RESPONSE_PENDING) {
- wpa_printf(MSG_DEBUG,
- "DPP: Start wait for full response");
- return -1;
- }
- wpa_printf(MSG_DEBUG, "DPP: No confirm generated");
- dpp_connection_remove(conn);
- return -1;
- }
-
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = wpabuf_alloc(4 + wpabuf_len(msg) - 1);
- if (!conn->msg_out) {
- wpabuf_free(msg);
- return -1;
- }
- wpabuf_put_be32(conn->msg_out, wpabuf_len(msg) - 1);
- wpabuf_put_data(conn->msg_out, wpabuf_head(msg) + 1,
- wpabuf_len(msg) - 1);
- wpabuf_free(msg);
-
- conn->on_tcp_tx_complete_auth_ok = 1;
- if (dpp_tcp_send(conn) == 1) {
- if (!conn->write_eloop) {
- if (eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready,
- conn, NULL) < 0)
- return -1;
- conn->write_eloop = 1;
- }
- }
-
- return 0;
-}
-
-
-static int dpp_controller_rx_auth_conf(struct dpp_connection *conn,
- const u8 *hdr, const u8 *buf, size_t len)
-{
- struct dpp_authentication *auth = conn->auth;
-
- wpa_printf(MSG_DEBUG, "DPP: Authentication Confirmation");
-
- if (!auth) {
- wpa_printf(MSG_DEBUG,
- "DPP: No DPP Authentication in progress - drop");
- return -1;
- }
-
- if (dpp_auth_conf_rx(auth, hdr, buf, len) < 0) {
- wpa_printf(MSG_DEBUG, "DPP: Authentication failed");
- return -1;
- }
-
- dpp_controller_auth_success(conn, 0);
- return 0;
-}
-
-
-static int dpp_controller_rx_conf_result(struct dpp_connection *conn,
- const u8 *hdr, const u8 *buf,
- size_t len)
-{
- struct dpp_authentication *auth = conn->auth;
- enum dpp_status_error status;
-
- if (!conn->ctrl)
- return 0;
-
- wpa_printf(MSG_DEBUG, "DPP: Configuration Result");
-
- if (!auth || !auth->waiting_conf_result) {
- wpa_printf(MSG_DEBUG,
- "DPP: No DPP Configuration waiting for result - drop");
- return -1;
- }
-
- status = dpp_conf_result_rx(auth, hdr, buf, len);
- if (status == DPP_STATUS_OK)
- wpa_msg(conn->ctrl->global->msg_ctx, MSG_INFO,
- DPP_EVENT_CONF_SENT);
- else
- wpa_msg(conn->ctrl->global->msg_ctx, MSG_INFO,
- DPP_EVENT_CONF_FAILED);
- return -1; /* to remove the completed connection */
-}
-
-
-static int dpp_controller_rx_action(struct dpp_connection *conn, const u8 *msg,
- size_t len)
-{
- const u8 *pos, *end;
- u8 type;
-
- wpa_printf(MSG_DEBUG, "DPP: Received DPP Action frame over TCP");
- pos = msg;
- end = msg + len;
-
- if (end - pos < DPP_HDR_LEN ||
- WPA_GET_BE24(pos) != OUI_WFA ||
- pos[3] != DPP_OUI_TYPE) {
- wpa_printf(MSG_DEBUG, "DPP: Unrecognized header");
- return -1;
- }
-
- if (pos[4] != 1) {
- wpa_printf(MSG_DEBUG, "DPP: Unsupported Crypto Suite %u",
- pos[4]);
- return -1;
- }
- type = pos[5];
- wpa_printf(MSG_DEBUG, "DPP: Received message type %u", type);
- pos += DPP_HDR_LEN;
-
- wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes",
- pos, end - pos);
- if (dpp_check_attrs(pos, end - pos) < 0)
- return -1;
-
- if (conn->relay) {
- wpa_printf(MSG_DEBUG, "DPP: Relay - send over WLAN");
- conn->relay->tx(conn->relay->cb_ctx, conn->mac_addr,
- conn->freq, msg, len);
- return 0;
- }
-
- switch (type) {
- case DPP_PA_AUTHENTICATION_REQ:
- return dpp_controller_rx_auth_req(conn, msg, pos, end - pos);
- case DPP_PA_AUTHENTICATION_RESP:
- return dpp_controller_rx_auth_resp(conn, msg, pos, end - pos);
- case DPP_PA_AUTHENTICATION_CONF:
- return dpp_controller_rx_auth_conf(conn, msg, pos, end - pos);
- case DPP_PA_CONFIGURATION_RESULT:
- return dpp_controller_rx_conf_result(conn, msg, pos, end - pos);
- default:
- /* TODO: missing messages types */
- wpa_printf(MSG_DEBUG,
- "DPP: Unsupported frame subtype %d", type);
- return -1;
- }
-}
-
-
-static int dpp_controller_rx_gas_req(struct dpp_connection *conn, const u8 *msg,
- size_t len)
-{
- const u8 *pos, *end, *next;
- u8 dialog_token;
- const u8 *adv_proto;
- u16 slen;
- struct wpabuf *resp, *buf;
- struct dpp_authentication *auth = conn->auth;
-
- if (len < 1 + 2)
- return -1;
-
- wpa_printf(MSG_DEBUG,
- "DPP: Received DPP Configuration Request over TCP");
-
- if (!conn->ctrl || !auth || !auth->auth_success) {
- wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress");
- return -1;
- }
-
- pos = msg;
- end = msg + len;
-
- dialog_token = *pos++;
- adv_proto = pos++;
- slen = *pos++;
- if (*adv_proto != WLAN_EID_ADV_PROTO ||
- slen > end - pos || slen < 2)
- return -1;
-
- next = pos + slen;
- pos++; /* skip QueryRespLenLimit and PAME-BI */
-
- if (slen != 8 || *pos != WLAN_EID_VENDOR_SPECIFIC ||
- pos[1] != 5 || WPA_GET_BE24(&pos[2]) != OUI_WFA ||
- pos[5] != DPP_OUI_TYPE || pos[6] != 0x01)
- return -1;
-
- pos = next;
- /* Query Request */
- if (end - pos < 2)
- return -1;
- slen = WPA_GET_LE16(pos);
- pos += 2;
- if (slen > end - pos)
- return -1;
-
- resp = dpp_conf_req_rx(auth, pos, slen);
- if (!resp)
- return -1;
-
- buf = wpabuf_alloc(4 + 18 + wpabuf_len(resp));
- if (!buf) {
- wpabuf_free(resp);
- return -1;
- }
-
- wpabuf_put_be32(buf, 18 + wpabuf_len(resp));
-
- wpabuf_put_u8(buf, WLAN_PA_GAS_INITIAL_RESP);
- wpabuf_put_u8(buf, dialog_token);
- wpabuf_put_le16(buf, WLAN_STATUS_SUCCESS);
- wpabuf_put_le16(buf, 0); /* GAS Comeback Delay */
-
- dpp_write_adv_proto(buf);
- dpp_write_gas_query(buf, resp);
- wpabuf_free(resp);
-
- /* Send Config Response over TCP; GAS fragmentation is taken care of by
- * the Relay */
- wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Outgoing TCP message", buf);
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = buf;
- conn->on_tcp_tx_complete_gas_done = 1;
- dpp_tcp_send(conn);
- return 0;
-}
-
-
-static int dpp_tcp_rx_gas_resp(struct dpp_connection *conn, struct wpabuf *resp)
-{
- struct dpp_authentication *auth = conn->auth;
- int res;
- struct wpabuf *msg, *encaps;
- enum dpp_status_error status;
-
- wpa_printf(MSG_DEBUG,
- "DPP: Configuration Response for local stack from TCP");
-
- res = dpp_conf_resp_rx(auth, resp);
- wpabuf_free(resp);
- if (res < 0) {
- wpa_printf(MSG_DEBUG, "DPP: Configuration attempt failed");
- return -1;
- }
-
- if (conn->global->process_conf_obj)
- res = conn->global->process_conf_obj(conn->global->cb_ctx,
- auth);
- else
- res = 0;
-
- if (auth->peer_version < 2 || auth->conf_resp_status != DPP_STATUS_OK)
- return -1;
-
- wpa_printf(MSG_DEBUG, "DPP: Send DPP Configuration Result");
- status = res < 0 ? DPP_STATUS_CONFIG_REJECTED : DPP_STATUS_OK;
- msg = dpp_build_conf_result(auth, status);
- if (!msg)
- return -1;
-
- encaps = wpabuf_alloc(4 + wpabuf_len(msg) - 1);
- if (!encaps) {
- wpabuf_free(msg);
- return -1;
- }
- wpabuf_put_be32(encaps, wpabuf_len(msg) - 1);
- wpabuf_put_data(encaps, wpabuf_head(msg) + 1, wpabuf_len(msg) - 1);
- wpabuf_free(msg);
- wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Outgoing TCP message", encaps);
-
- wpabuf_free(conn->msg_out);
- conn->msg_out_pos = 0;
- conn->msg_out = encaps;
- conn->on_tcp_tx_complete_remove = 1;
- dpp_tcp_send(conn);
-
- /* This exchange will be terminated in the TX status handler */
-
- return 0;
-}
-
-
-static int dpp_rx_gas_resp(struct dpp_connection *conn, const u8 *msg,
- size_t len)
-{
- struct wpabuf *buf;
- u8 dialog_token;
- const u8 *pos, *end, *next, *adv_proto;
- u16 status, slen;
-
- if (len < 5 + 2)
- return -1;
-
- wpa_printf(MSG_DEBUG,
- "DPP: Received DPP Configuration Response over TCP");
-
- pos = msg;
- end = msg + len;
-
- dialog_token = *pos++;
- status = WPA_GET_LE16(pos);
- if (status != WLAN_STATUS_SUCCESS) {
- wpa_printf(MSG_DEBUG, "DPP: Unexpected Status Code %u", status);
- return -1;
- }
- pos += 2;
- pos += 2; /* ignore GAS Comeback Delay */
-
- adv_proto = pos++;
- slen = *pos++;
- if (*adv_proto != WLAN_EID_ADV_PROTO ||
- slen > end - pos || slen < 2)
- return -1;
-
- next = pos + slen;
- pos++; /* skip QueryRespLenLimit and PAME-BI */
-
- if (slen != 8 || *pos != WLAN_EID_VENDOR_SPECIFIC ||
- pos[1] != 5 || WPA_GET_BE24(&pos[2]) != OUI_WFA ||
- pos[5] != DPP_OUI_TYPE || pos[6] != 0x01)
- return -1;
-
- pos = next;
- /* Query Response */
- if (end - pos < 2)
- return -1;
- slen = WPA_GET_LE16(pos);
- pos += 2;
- if (slen > end - pos)
- return -1;
-
- buf = wpabuf_alloc(slen);
- if (!buf)
- return -1;
- wpabuf_put_data(buf, pos, slen);
-
- if (!conn->relay && !conn->ctrl)
- return dpp_tcp_rx_gas_resp(conn, buf);
-
- if (!conn->relay) {
- wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress");
- wpabuf_free(buf);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "DPP: Relay - send over WLAN");
- conn->relay->gas_resp_tx(conn->relay->cb_ctx, conn->mac_addr,
- dialog_token, 0, buf);
-
- return 0;
-}
-
-
-static void dpp_controller_rx(int sd, void *eloop_ctx, void *sock_ctx)
-{
- struct dpp_connection *conn = eloop_ctx;
- int res;
- const u8 *pos;
-
- wpa_printf(MSG_DEBUG, "DPP: TCP data available for reading (sock %d)",
- sd);
-
- if (conn->msg_len_octets < 4) {
- u32 msglen;
-
- res = recv(sd, &conn->msg_len[conn->msg_len_octets],
- 4 - conn->msg_len_octets, 0);
- if (res < 0) {
- wpa_printf(MSG_DEBUG, "DPP: recv failed: %s",
- strerror(errno));
- dpp_connection_remove(conn);
- return;
- }
- if (res == 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: No more data available over TCP");
- dpp_connection_remove(conn);
- return;
- }
- wpa_printf(MSG_DEBUG,
- "DPP: Received %d/%d octet(s) of message length field",
- res, (int) (4 - conn->msg_len_octets));
- conn->msg_len_octets += res;
-
- if (conn->msg_len_octets < 4) {
- wpa_printf(MSG_DEBUG,
- "DPP: Need %d more octets of message length field",
- (int) (4 - conn->msg_len_octets));
- return;
- }
-
- msglen = WPA_GET_BE32(conn->msg_len);
- wpa_printf(MSG_DEBUG, "DPP: Message length: %u", msglen);
- if (msglen > 65535) {
- wpa_printf(MSG_INFO, "DPP: Unexpectedly long message");
- dpp_connection_remove(conn);
- return;
- }
-
- wpabuf_free(conn->msg);
- conn->msg = wpabuf_alloc(msglen);
- }
-
- if (!conn->msg) {
- wpa_printf(MSG_DEBUG,
- "DPP: No buffer available for receiving the message");
- dpp_connection_remove(conn);
- return;
- }
-
- wpa_printf(MSG_DEBUG, "DPP: Need %u more octets of message payload",
- (unsigned int) wpabuf_tailroom(conn->msg));
-
- res = recv(sd, wpabuf_put(conn->msg, 0), wpabuf_tailroom(conn->msg), 0);
- if (res < 0) {
- wpa_printf(MSG_DEBUG, "DPP: recv failed: %s", strerror(errno));
- dpp_connection_remove(conn);
- return;
- }
- if (res == 0) {
- wpa_printf(MSG_DEBUG, "DPP: No more data available over TCP");
- dpp_connection_remove(conn);
- return;
- }
- wpa_printf(MSG_DEBUG, "DPP: Received %d octets", res);
- wpabuf_put(conn->msg, res);
-
- if (wpabuf_tailroom(conn->msg) > 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: Need %u more octets of message payload",
- (unsigned int) wpabuf_tailroom(conn->msg));
- return;
- }
-
- conn->msg_len_octets = 0;
- wpa_hexdump_buf(MSG_DEBUG, "DPP: Received TCP message", conn->msg);
- if (wpabuf_len(conn->msg) < 1) {
- dpp_connection_remove(conn);
- return;
- }
-
- pos = wpabuf_head(conn->msg);
- switch (*pos) {
- case WLAN_PA_VENDOR_SPECIFIC:
- if (dpp_controller_rx_action(conn, pos + 1,
- wpabuf_len(conn->msg) - 1) < 0)
- dpp_connection_remove(conn);
- break;
- case WLAN_PA_GAS_INITIAL_REQ:
- if (dpp_controller_rx_gas_req(conn, pos + 1,
- wpabuf_len(conn->msg) - 1) < 0)
- dpp_connection_remove(conn);
- break;
- case WLAN_PA_GAS_INITIAL_RESP:
- if (dpp_rx_gas_resp(conn, pos + 1,
- wpabuf_len(conn->msg) - 1) < 0)
- dpp_connection_remove(conn);
- break;
- default:
- wpa_printf(MSG_DEBUG, "DPP: Ignore unsupported message type %u",
- *pos);
- break;
- }
-}
-
-
-static void dpp_controller_tcp_cb(int sd, void *eloop_ctx, void *sock_ctx)
-{
- struct dpp_controller *ctrl = eloop_ctx;
- struct sockaddr_in addr;
- socklen_t addr_len = sizeof(addr);
- int fd;
- struct dpp_connection *conn;
-
- wpa_printf(MSG_DEBUG, "DPP: New TCP connection");
-
- fd = accept(ctrl->sock, (struct sockaddr *) &addr, &addr_len);
- if (fd < 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: Failed to accept new connection: %s",
- strerror(errno));
- return;
- }
- wpa_printf(MSG_DEBUG, "DPP: Connection from %s:%d",
- inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
-
- conn = os_zalloc(sizeof(*conn));
- if (!conn)
- goto fail;
-
- conn->global = ctrl->global;
- conn->ctrl = ctrl;
- conn->sock = fd;
-
- if (fcntl(conn->sock, F_SETFL, O_NONBLOCK) != 0) {
- wpa_printf(MSG_DEBUG, "DPP: fnctl(O_NONBLOCK) failed: %s",
- strerror(errno));
- goto fail;
- }
-
- if (eloop_register_sock(conn->sock, EVENT_TYPE_READ,
- dpp_controller_rx, conn, NULL) < 0)
- goto fail;
- conn->read_eloop = 1;
-
- /* TODO: eloop timeout to expire connections that do not complete in
- * reasonable time */
- dl_list_add(&ctrl->conn, &conn->list);
- return;
-
-fail:
- close(fd);
- os_free(conn);
-}
-
-
-int dpp_tcp_init(struct dpp_global *dpp, struct dpp_authentication *auth,
- const struct hostapd_ip_addr *addr, int port)
-{
- struct dpp_connection *conn;
- struct sockaddr_storage saddr;
- socklen_t addrlen;
- const u8 *hdr, *pos, *end;
- char txt[100];
-
- wpa_printf(MSG_DEBUG, "DPP: Initialize TCP connection to %s port %d",
- hostapd_ip_txt(addr, txt, sizeof(txt)), port);
- if (dpp_ipaddr_to_sockaddr((struct sockaddr *) &saddr, &addrlen,
- addr, port) < 0) {
- dpp_auth_deinit(auth);
- return -1;
- }
-
- conn = os_zalloc(sizeof(*conn));
- if (!conn) {
- dpp_auth_deinit(auth);
- return -1;
- }
-
- conn->global = dpp;
- conn->auth = auth;
- conn->sock = socket(AF_INET, SOCK_STREAM, 0);
- if (conn->sock < 0)
- goto fail;
-
- if (fcntl(conn->sock, F_SETFL, O_NONBLOCK) != 0) {
- wpa_printf(MSG_DEBUG, "DPP: fnctl(O_NONBLOCK) failed: %s",
- strerror(errno));
- goto fail;
- }
-
- if (connect(conn->sock, (struct sockaddr *) &saddr, addrlen) < 0) {
- if (errno != EINPROGRESS) {
- wpa_printf(MSG_DEBUG, "DPP: Failed to connect: %s",
- strerror(errno));
- goto fail;
- }
-
- /*
- * Continue connecting in the background; eloop will call us
- * once the connection is ready (or failed).
- */
- }
-
- if (eloop_register_sock(conn->sock, EVENT_TYPE_WRITE,
- dpp_conn_tx_ready, conn, NULL) < 0)
- goto fail;
- conn->write_eloop = 1;
-
- hdr = wpabuf_head(auth->req_msg);
- end = hdr + wpabuf_len(auth->req_msg);
- hdr += 2; /* skip Category and Actiom */
- pos = hdr + DPP_HDR_LEN;
- conn->msg_out = dpp_tcp_encaps(hdr, pos, end - pos);
- if (!conn->msg_out)
- goto fail;
- /* Message will be sent in dpp_conn_tx_ready() */
-
- /* TODO: eloop timeout to clear a connection if it does not complete
- * properly */
- dl_list_add(&dpp->tcp_init, &conn->list);
- return 0;
-fail:
- dpp_connection_free(conn);
- return -1;
-}
-
-
-int dpp_controller_start(struct dpp_global *dpp,
- struct dpp_controller_config *config)
-{
- struct dpp_controller *ctrl;
- int on = 1;
- struct sockaddr_in sin;
- int port;
-
- if (!dpp || dpp->controller)
- return -1;
-
- ctrl = os_zalloc(sizeof(*ctrl));
- if (!ctrl)
- return -1;
- ctrl->global = dpp;
- if (config->configurator_params)
- ctrl->configurator_params =
- os_strdup(config->configurator_params);
- dl_list_init(&ctrl->conn);
- /* TODO: configure these somehow */
- ctrl->allowed_roles = DPP_CAPAB_ENROLLEE | DPP_CAPAB_CONFIGURATOR;
- ctrl->qr_mutual = 0;
-
- ctrl->sock = socket(AF_INET, SOCK_STREAM, 0);
- if (ctrl->sock < 0)
- goto fail;
-
- if (setsockopt(ctrl->sock, SOL_SOCKET, SO_REUSEADDR,
- &on, sizeof(on)) < 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: setsockopt(SO_REUSEADDR) failed: %s",
- strerror(errno));
- /* try to continue anyway */
- }
-
- if (fcntl(ctrl->sock, F_SETFL, O_NONBLOCK) < 0) {
- wpa_printf(MSG_INFO, "DPP: fnctl(O_NONBLOCK) failed: %s",
- strerror(errno));
- goto fail;
- }
-
- /* TODO: IPv6 */
- os_memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
- port = config->tcp_port ? config->tcp_port : DPP_TCP_PORT;
- sin.sin_port = htons(port);
- if (bind(ctrl->sock, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- wpa_printf(MSG_INFO,
- "DPP: Failed to bind Controller TCP port: %s",
- strerror(errno));
- goto fail;
- }
- if (listen(ctrl->sock, 10 /* max backlog */) < 0 ||
- fcntl(ctrl->sock, F_SETFL, O_NONBLOCK) < 0 ||
- eloop_register_sock(ctrl->sock, EVENT_TYPE_READ,
- dpp_controller_tcp_cb, ctrl, NULL))
- goto fail;
-
- dpp->controller = ctrl;
- wpa_printf(MSG_DEBUG, "DPP: Controller started on TCP port %d", port);
- return 0;
-fail:
- dpp_controller_free(ctrl);
- return -1;
-}
-
-
-void dpp_controller_stop(struct dpp_global *dpp)
-{
- if (dpp) {
- dpp_controller_free(dpp->controller);
- dpp->controller = NULL;
- }
-}
-
-#endif /* CONFIG_DPP2 */