133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/* Recreated Espressif libnet80211 wl_cnx.o contents.
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Copyright (C) 2015 Espressif Systems. Derived from MIT Licensed SDK libraries.
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BSD Licensed as described in the file LICENSE
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*/
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#include "espressif/esp_misc.h"
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#include "esplibs/libnet80211.h"
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#include "esplibs/libpp.h"
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#include "esplibs/libwpa.h"
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#include <string.h>
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#include "lwip/dhcp.h"
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ETSTimer sdk_sta_con_timer;
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void *sdk_g_cnx_probe_rc_list_cb;
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/*
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* Called from the ESP sdk_cnx_sta_leave function. Split out via a hack to the
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* binary library to allow modification to track changes to lwip, for example
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* changes to the offset of the netif->flags removal of the NETIF_FLAG_DHCP flag
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* lwip v2 etc.
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*/
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void dhcp_if_down(struct netif *netif)
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{
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dhcp_release_and_stop(netif);
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netif_set_down(netif);
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}
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#if 0
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// Most of the code in this file assesses static data so it will be all or none.
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static uint32_t Ldata001;
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static uint8_t Ldata003;
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static uint8_t Ldata004;
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static uint32_t Ldata006;
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static void *Ldate007;
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void sdk_cnx_sta_leave(struct sdk_g_ic_netif_info *netif_info, void *arg1) {
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struct netif *netif = netif_info->netif;
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uint32_t phy_type = sdk_ieee80211_phy_type_get();
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uint16_t v1 = *(uint16_t *)(arg1 + 0x1a) & 0xfff;
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sdk_ic_set_sta(0, 0, arg1, 0, v1, phy_type, 0, 0);
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// Note the SDK binary was modified here as it made use of the
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// netif flags which changed in lwip v2.
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dhcp_if_down(netif);
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uint32_t v2 = *(uint8_t *)(arg1 + 0xe8);
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free(sdk_g_ic.v._unknown190[v2]);
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sdk_g_ic.v._unknown190[v2] = NULL;
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if (sdk_g_ic.v._unknown190[0]) {
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free(sdk_g_ic.v._unknown190[0]);
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sdk_g_ic.v._unknown190[0] = NULL;
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}
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if (sdk_g_ic.v._unknown190[1]) {
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free(sdk_g_ic.v._unknown190[1]);
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sdk_g_ic.v._unknown190[1] = NULL;
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}
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sdk_scan_cancel();
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sdk_wDev_SetRxPolicy(0, 0, 0);
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Ldata001 = 2;
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uint8_t v3 = *(uint8_t *)(arg1 + 0x6);
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if (v3 & 2) {
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*(uint8_t *)(arg1 + 0x6) = v3 & 0xfd;
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sdk_cnx_rc_update_state_metric(arg1, -7, 1);
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Ldate007 = arg1;
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}
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sdk_cnx_remove_rc(arg1);
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Ldata006 = 0;
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*(uint32_t *)(arg1 + 0x8) &= 0xfffffffe;
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netif_info->_unknown88 = NULL;
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return;
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}
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#endif
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void sdk_cnx_node_remove(struct sdk_cnx_node *cnx_node) {
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const uint32_t num = sdk_g_ic.s._unknown310 + 2;
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if ((int32_t)num < (int32_t)2) {
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return;
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}
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struct sdk_g_ic_netif_info *netif_info = sdk_g_ic.v.softap_netif_info;
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uint32_t i = 1;
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do {
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if (netif_info->cnx_nodes[i] == cnx_node) {
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uint32_t v2 = cnx_node->_unknowne8;
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sdk_ic_remove_key(v2 + 2);
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sdk_wpa_auth_sta_deinit(cnx_node->_unknowne4);
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free(sdk_g_ic.v._unknown190[v2]);
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sdk_g_ic.v._unknown190[v2] = NULL;
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free(cnx_node);
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netif_info->cnx_nodes[i] = NULL;
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return;
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}
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i += 1;
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} while (i < num);
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}
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struct sdk_cnx_node *sdk_cnx_node_search(uint8_t mac[6])
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{
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int end = sdk_g_ic.s._unknown310 + 2;
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// Note this defensive test seems dead code, the value is loaded
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// as a uint8_t value so adding 2 ensures this test never passes.
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if (end < 1)
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return NULL;
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struct sdk_cnx_node **cnx_nodes = sdk_g_ic.v.softap_netif_info->cnx_nodes;
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int i = 0;
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do {
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struct sdk_cnx_node *cnx_node = cnx_nodes[i];
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if (cnx_node) {
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if (memcmp(mac, cnx_node->mac_addr, 6) == 0) {
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return cnx_node;
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}
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}
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i++;
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} while (i < end);
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return NULL;
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}
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