67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
#include "wtp.h"
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#include "capwap_dfa.h"
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#include "wtp_dfa.h"
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/* */
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void wtp_dfa_state_idle(void) {
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long discoveryinterval;
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/* Remove teardown */
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g_wtp.teardown = 0;
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capwap_timeout_unsetall(g_wtp.timeout);
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/* */
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if (!g_wtp.acdiscoveryrequest && (g_wtp.acpreferedarray->count > 0)) {
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while (g_wtp.acpreferedselected < g_wtp.acpreferedarray->count) {
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/* Found in configuration file the AC address */
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memcpy(&g_wtp.acctrladdress, capwap_array_get_item_pointer(g_wtp.acpreferedarray, g_wtp.acpreferedselected), sizeof(struct sockaddr_storage));
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memcpy(&g_wtp.acdataaddress, &g_wtp.acctrladdress, sizeof(struct sockaddr_storage));
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CAPWAP_SET_NETWORK_PORT(&g_wtp.acdataaddress, CAPWAP_GET_NETWORK_PORT(&g_wtp.acdataaddress) + 1);
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/* Next AC */
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g_wtp.acpreferedselected++;
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/* Configure socket */
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capwap_get_network_socket(&g_wtp.net, &g_wtp.acctrlsock, capwap_get_socket(&g_wtp.net, g_wtp.acctrladdress.ss_family, IPPROTO_UDP, CAPWAP_CTRL_SOCKET));
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capwap_get_network_socket(&g_wtp.net, &g_wtp.acdatasock, capwap_get_socket(&g_wtp.net, g_wtp.acdataaddress.ss_family, (g_wtp.transport.type == CAPWAP_UDP_TRANSPORT ? IPPROTO_UDP : IPPROTO_UDPLITE), CAPWAP_DATA_SOCKET));
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/* Retrieve local address */
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if (capwap_get_localaddress_by_remoteaddress(&g_wtp.wtpctrladdress, &g_wtp.acctrladdress, g_wtp.net.bind_interface, (!(g_wtp.net.bind_ctrl_flags & CAPWAP_IPV6ONLY_FLAG) ? 1 : 0))) {
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struct sockaddr_storage sockinfo;
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socklen_t sockinfolen = sizeof(struct sockaddr_storage);
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memset(&sockinfo, 0, sizeof(struct sockaddr_storage));
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if (!getsockname(g_wtp.acctrlsock.socket[g_wtp.acctrlsock.type], (struct sockaddr*)&sockinfo, &sockinfolen)) {
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CAPWAP_SET_NETWORK_PORT(&g_wtp.wtpctrladdress, CAPWAP_GET_NETWORK_PORT(&sockinfo));
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/* */
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memcpy(&g_wtp.wtpdataaddress, &g_wtp.wtpctrladdress, sizeof(struct sockaddr_storage));
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CAPWAP_SET_NETWORK_PORT(&g_wtp.wtpdataaddress, CAPWAP_GET_NETWORK_PORT(&g_wtp.wtpdataaddress) + 1);
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/* */
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if (!g_wtp.enabledtls) {
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wtp_send_join(); /* Bypass DTLS connection */
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} else {
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wtp_start_dtlssetup(); /* Create DTLS connection */
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}
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return;
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}
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}
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}
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}
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/* Discovery AC */
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g_wtp.acpreferedselected = 0;
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/* Set discovery interval */
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g_wtp.discoverycount = 0;
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discoveryinterval = capwap_get_rand(g_wtp.discoveryinterval - WTP_MIN_DISCOVERY_INTERVAL) + WTP_MIN_DISCOVERY_INTERVAL;
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/* Change state */
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wtp_dfa_change_state(CAPWAP_DISCOVERY_STATE);
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/* Wait before send Discovery Request */
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capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, discoveryinterval, wtp_dfa_state_discovery_timeout, NULL, NULL);
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}
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