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wifi settings remake, now correctly applied only as needed via change flags

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pull/30/head
Ondřej Hruška 8 years ago
parent d5bd53b78a
commit a85582b94e
5 changed files with 384 additions and 257 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 500
      user/cgi_wifi.c
  2. 37
      user/persist.c
  3. 2
      user/persist.h
  4. 65
      user/wifimgr.c
  5. 25
      user/wifimgr.h

500
user/cgi_wifi.c
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@ -19,6 +19,11 @@ Cgi/template routines for the /wifi url.
#include <esp8266.h>
#include "cgi_wifi.h"
#include "wifimgr.h"
#include "persist.h"
// strcpy that adds 0 at the end of the buffer. Returns void.
#define strncpy_safe(dst, src, n) do { strncpy((char *)(dst), (char *)(src), (n)); dst[(n)-1]=0; } while (0)
/** WiFi access point data */
typedef struct {
@ -53,28 +58,6 @@ static ConnTry connTryStatus = CONNTRY_IDLE;
/** Connection to AP periodic check timer */
static os_timer_t staCheckTimer;
/** reset_later() timer */
static ETSTimer resetTmr;
/**
* Callback for reset_later()
*/
static void ICACHE_FLASH_ATTR resetTmrCb(void *arg)
{
system_restart();
}
/**
* Schedule a reset
* @param ms reset delay (milliseconds)
*/
static void ICACHE_FLASH_ATTR reset_later(int ms)
{
os_timer_disarm(&resetTmr);
os_timer_setfn(&resetTmr, resetTmrCb, NULL);
os_timer_arm(&resetTmr, ms, false);
}
/**
* Calculate approximate signal strength % from RSSI
*/
@ -278,9 +261,6 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData)
}
}
/** Temp store for new ap info. */
static struct station_config stconf;
/**
* This routine is ran some time after a connection attempt to an access point. If
* the connect succeeds, this gets the module in STA-only mode.
@ -305,23 +285,29 @@ static void ICACHE_FLASH_ATTR staCheckConnStatus(void *arg)
}
/**
* Actually connect to a station. This routine is timed because I had problems
* with immediate connections earlier. It probably was something else that caused it,
* but I can't be arsed to put the code back :P
* Delayed connect callback
*/
static void ICACHE_FLASH_ATTR cgiWiFiConnect_do(void *arg)
{
int x;
struct station_config cfg;
dbg("Try to connect to AP...");
strncpy_safe(cfg.password, wificonf->sta_password, PASSWORD_LEN);
strncpy_safe(cfg.ssid, wificonf->sta_ssid, SSID_LEN);
cfg.bssid_set = 0;
wifi_station_disconnect();
wifi_station_set_config(&stconf);
wifi_station_set_config(&cfg);
wifi_station_connect();
x = wifi_get_opmode();
connTryStatus = CONNTRY_WORKING;
// Assumption:
// if we're in station mode, no need to check: the browser will be disconnected
// and the user finds out whether it succeeded or not by checking if they can connect
if (x != STATION_MODE) {
//Schedule check
os_timer_disarm(&staCheckTimer);
os_timer_setfn(&staCheckTimer, staCheckConnStatus, NULL);
os_timer_arm(&staCheckTimer, 15000, 0); //time out after 15 secs of trying to connect
@ -338,8 +324,8 @@ static void ICACHE_FLASH_ATTR cgiWiFiConnect_do(void *arg)
*/
httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData)
{
char essid[128];
char passwd[128];
char ssid[100];
char password[100];
static os_timer_t reassTimer;
if (connData->conn == NULL) {
@ -347,26 +333,26 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData)
return HTTPD_CGI_DONE;
}
int ssilen = httpdFindArg(connData->post->buff, "essid", essid, sizeof(essid));
int passlen = httpdFindArg(connData->post->buff, "passwd", passwd, sizeof(passwd));
int ssilen = httpdFindArg(connData->post->buff, "sta_ssid", ssid, sizeof(ssid));
int passlen = httpdFindArg(connData->post->buff, "sta_password", password, sizeof(password));
if (ssilen == -1 || passlen == -1) {
error("Not rx needed args!");
error("Did not receive the required arguments!");
httpdRedirect(connData, "/wifi");
}
else {
strncpy((char *) stconf.ssid, essid, 32);
strncpy((char *) stconf.password, passwd, 64);
info("Try to connect to AP %s pw %s", essid, passwd);
strncpy_safe(wificonf->sta_ssid, ssid, SSID_LEN);
strncpy_safe(wificonf->sta_password, password, PASSWORD_LEN);
info("Try to connect to AP \"%s\" pw \"%s\".", ssid, password);
//Schedule disconnect/connect
os_timer_disarm(&reassTimer);
os_timer_setfn(&reassTimer, cgiWiFiConnect_do, NULL);
// redirect & start connecting a little bit later
os_timer_arm(&reassTimer, 2000, 0); // was 500, increased so the connecting page has time to load
os_timer_arm(&reassTimer, 1000, 0); // was 500, increased so the connecting page has time to load
connTryStatus = CONNTRY_IDLE;
httpdRedirect(connData, "/wifi/connecting");
httpdRedirect(connData, "/wifi/connecting"); // this page is meant to show progress
}
return HTTPD_CGI_DONE;
}
@ -413,59 +399,83 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData)
return HTTPD_CGI_DONE;
}
/** reset_later() timer */
/**
* Callback for async timer
*/
static void ICACHE_FLASH_ATTR applyWifiSettingsLaterCb(void *arg)
{
wifimgr_apply_settings();
}
/**
* Universal CGI endpoint to set WiFi params.
* Note that some may cause a (delayed) restart.
*
* Args:
* - ap_ch = channel 1-14
* - ap_ssid = SSID name for AP mode
* - opmode = WiFi mode (resets device)
* - hostname = set client hostname
* - tpw = set transmit power
* - sta_dhcp_lt = DHCP server lease time
* - sta_ip = station mode static IP
* - sta_mask = station mode static IP mask (apply only if 'ip' is also sent)
* - sta_gw = station mode default gateway (apply only if 'ip' is also sent)
* (can be left out, then 0.0.0.0 is used and outbound connections won't work -
* but we're normally not making any)
* - dhcp = enable or disable DHCP on the station interface
*/
httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiSetParams(HttpdConnData *connData)
{
int len, len2, len3;
static ETSTimer timer;
char buff[50];
char buff2[50];
char buff3[50];
// TODO change so that settings are not applied immediately, but persisted first
// TODO apply temporary changes like static IP in wifi event CBs
char redir_url_buf[300];
char *redir_url = redir_url_buf;
redir_url += sprintf(redir_url, "/wifi?err=");
// we'll test if anything was printed by looking for \0 in failed_keys_buf
if (connData->conn == NULL) {
//Connection aborted. Clean up.
return HTTPD_CGI_DONE;
}
// AP channel (applies in AP-only mode)
len = httpdFindArg(connData->getArgs, "ap_ch", buff, sizeof(buff));
if (len > 0) {
info("Setting WiFi channel for AP-only mode to: %s", buff);
#define GET_ARG(key) (httpdFindArg(connData->getArgs, key, buff, sizeof(buff)) > 0)
// ---- WiFi opmode ----
if (GET_ARG("opmode")) {
dbg("Setting WiFi opmode to: %s", buff);
int mode = atoi(buff);
if (mode > NULL_MODE && mode < MAX_MODE) {
wificonf->opmode = (WIFI_MODE) mode;
} else {
warn("Bad opmode value \"%s\"", buff);
redir_url += sprintf(redir_url, "opmode,");
}
}
// ---- AP transmit power ----
if (GET_ARG("tpw")) {
dbg("Setting AP power to: %s", buff);
int tpw = atoi(buff);
if (tpw >= 0 && tpw <= 82) { // 0 actually isn't 0 but quite low. 82 is very strong
wificonf->tpw = (u8) tpw;
wifi_change_flags.ap = true;
} else {
warn("tpw %s out of allowed range 0-82.", buff);
redir_url += sprintf(redir_url, "tpw,");
}
}
// ---- AP channel (applies in AP-only mode) ----
if (GET_ARG("ap_channel")) {
info("ap_channel = %s", buff);
int channel = atoi(buff);
if (channel > 0 && channel < 15) {
dbg("Setting channel=%d", channel);
struct softap_config wificfg;
wifi_softap_get_config(&wificfg);
wificfg.channel = (uint8) channel;
wifi_softap_set_config(&wificfg);
wificonf->ap_channel = (u8) channel;
wifi_change_flags.ap = true;
} else {
warn("Bad channel value %s, allowed 1-14", buff);
warn("Bad channel value \"%s\", allowed 1-14", buff);
redir_url += sprintf(redir_url, "ap_channel,");
}
}
// SSID name in AP mode
len = httpdFindArg(connData->getArgs, "ap_ssid", buff, sizeof(buff));
if (len > 0) {
// ---- SSID name in AP mode ----
if (GET_ARG("ap_ssid")) {
// Replace all invalid ASCII with underscores
int i;
for (i = 0; i < 32; i++) {
char c = buff[i];
@ -474,103 +484,198 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiSetParams(HttpdConnData *connData)
}
buff[i] = 0;
info("Setting SSID to %s", buff);
struct softap_config wificfg;
wifi_softap_get_config(&wificfg);
sprintf((char *) wificfg.ssid, buff);
wificfg.ssid_len = strlen((char *) wificfg.ssid);
wifi_softap_set_config(&wificfg);
}
// WiFi mode
len = httpdFindArg(connData->getArgs, "opmode", buff, sizeof(buff));
if (len > 0) {
dbg("Setting WiFi opmode to: %s", buff);
int mode = atoi(buff);
if (mode > NULL_MODE && mode < MAX_MODE) {
wifi_set_opmode(mode);
reset_later(200);
if (strlen(buff) > 0) {
info("Setting SSID to \"%s\"", buff);
strncpy_safe(wificonf->ap_ssid, buff, SSID_LEN);
wifi_change_flags.ap = true;
} else {
warn("Bad opmode value %s", buff);
warn("Bad SSID len.");
redir_url += sprintf(redir_url, "ap_ssid,");
}
}
// Hostname in station mode (for DHCP)
len = httpdFindArg(connData->getArgs, "hostname", buff, sizeof(buff));
if (len > 0) {
dbg("Setting station sta_hostname to: %s", buff);
wifi_station_set_hostname(buff);
// TODO persistency, re-apply on boot
}
// ---- AP password ----
// Hostname in station mode (for DHCP)
len = httpdFindArg(connData->getArgs, "tpw", buff, sizeof(buff));
if (len > 0) {
dbg("Setting AP power to: %s", buff);
int tpw = atoi(buff);
// min tpw to avoid user locking themselves out TODO verify
if (tpw >= 0 && tpw <= 82) {
// TODO persistency, re-apply on boot
system_phy_set_max_tpw(tpw);
if (GET_ARG("ap_password")) {
// Users are free to use any stupid shit in ther password,
// but it may lock them out.
if (strlen(buff) == 0 || (strlen(buff) >= 8 && strlen(buff) < PASSWORD_LEN-1)) {
info("Setting AP password to \"%s\"", buff);
strncpy_safe(wificonf->ap_password, buff, PASSWORD_LEN);
wifi_change_flags.ap = true;
} else {
warn("tpw %s out of allowed range 0-82.", buff);
warn("Bad password len.");
redir_url += sprintf(redir_url, "ap_password,");
}
}
// DHCP server lease time
len = httpdFindArg(connData->getArgs, "ap_dhcp_lt", buff, sizeof(buff));
if (len > 0) {
// ---- Hide AP network (do not announce) ----
if (GET_ARG("ap_hidden")) {
dbg("AP hidden = %s", buff);
int hidden = atoi(buff);
wificonf->ap_hidden = (hidden != 0);
wifi_change_flags.ap = true;
}
// ---- AP DHCP server lease time ----
if (GET_ARG("ap_dhcp_time")) {
dbg("Setting DHCP lease time to: %s min.", buff);
int min = atoi(buff);
if (min >= 1 && min <= 2880) {
// TODO persistency, re-apply on boot
// TODO set only if we're in the right opmode
wifi_softap_set_dhcps_lease_time(min);
wificonf->ap_dhcp_time = (u16) min;
wifi_change_flags.ap = true;
} else {
warn("Lease time %s out of allowed range 1-2880.", buff);
redir_url += sprintf(redir_url, "ap_dhcp_time,");
}
}
// ---- AP DHCP start and end IP ----
if (GET_ARG("ap_dhcp_range_start")) {
dbg("Setting DHCP range start IP to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
wificonf->ap_dhcp_range.start_ip.addr = ip;
wifi_change_flags.ap = true;
} else {
warn("Bad IP: %s", buff);
redir_url += sprintf(redir_url, "ap_dhcp_range_start,");
}
}
if (GET_ARG("ap_dhcp_range_end")) {
dbg("Setting DHCP range end IP to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
wificonf->ap_dhcp_range.end_ip.addr = ip;
wifi_change_flags.ap = true;
} else {
warn("Bad IP: %s", buff);
redir_url += sprintf(redir_url, "ap_dhcp_range_end,");
}
}
// ---- AP local address & config ----
if (GET_ARG("ap_addr_ip")) {
dbg("Setting AP local IP to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
wificonf->ap_addr.ip.addr = ip;
wificonf->ap_addr.gw.addr = ip; // always the same, we're the router here
wifi_change_flags.ap = true;
} else {
warn("Bad IP: %s", buff);
redir_url += sprintf(redir_url, "ap_addr_ip,");
}
}
if (GET_ARG("ap_addr_mask")) {
dbg("Setting AP local IP netmask to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
// ideally this should be checked to match the IP.
// Let's hope users know what they're doing
wificonf->ap_addr.netmask.addr = ip;
wifi_change_flags.ap = true;
} else {
warn("Bad IP mask: %s", buff);
redir_url += sprintf(redir_url, "ap_addr_mask,");
}
}
// ---- Station SSID (to connect to) ----
if (GET_ARG("sta_ssid")) {
// No verification needed, at worst it fails to connect
info("Setting station SSID to: \"%s\"", buff);
strncpy_safe(wificonf->sta_ssid, buff, SSID_LEN);
wifi_change_flags.sta = true;
}
// ---- Station password (empty for none is allowed) ----
if (GET_ARG("sta_password")) {
// No verification needed, at worst it fails to connect
info("Setting station password to: \"%s\"", buff);
strncpy_safe(wificonf->sta_password, buff, PASSWORD_LEN);
wifi_change_flags.sta = true;
}
// ---- Station enable/disable DHCP ----
// DHCP enable / disable (disable means static IP is enabled)
len = httpdFindArg(connData->getArgs, "sta_dhcp", buff, sizeof(buff));
if (len > 0) {
if (GET_ARG("sta_dhcp_enable")) {
dbg("DHCP enable = %s", buff);
int enable = atoi(buff);
if (enable != 0) {
wifi_station_dhcpc_stop();
wificonf->sta_dhcp_enable = (enable != 0);
wifi_change_flags.sta = true;
}
// ---- Station IP config (Static IP) ----
if (GET_ARG("sta_addr_ip")) {
dbg("Setting Station mode static IP to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
wificonf->sta_addr.ip.addr = ip;
wifi_change_flags.sta = true;
} else {
wifi_station_dhcpc_start();
warn("Bad IP: %s", buff);
redir_url += sprintf(redir_url, "sta_addr_ip,");
}
// TODO persistency
}
// Static IP
len = httpdFindArg(connData->getArgs, "sta_ip", buff, sizeof(buff));
len2 = httpdFindArg(connData->getArgs, "sta_mask", buff2, sizeof(buff2));
len3 = httpdFindArg(connData->getArgs, "sta_gw", buff3, sizeof(buff3));
if (len > 0) {
// TODO set only if we're in the right opmode
// TODO persistency
dbg("Setting static IP = %s", buff);
struct ip_info ipinfo;
ipinfo.ip.addr = ipaddr_addr(buff);
ipinfo.netmask.addr = IPADDR_NONE;
ipinfo.gw.addr = IPADDR_NONE;
if (len2 > 0) {
dbg("Netmask = %s", buff2);
ipinfo.netmask.addr = ipaddr_addr(buff2);
if (GET_ARG("sta_addr_mask")) {
dbg("Setting Station mode static IP netmask to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0 && ip != 0xFFFFFFFFUL) {
wificonf->sta_addr.netmask.addr = ip;
wifi_change_flags.sta = true;
} else {
warn("Bad IP mask: %s", buff);
redir_url += sprintf(redir_url, "sta_addr_mask,");
}
if (len3 > 0) {
dbg("Gateway = %s", buff3);
ipinfo.gw.addr = ipaddr_addr(buff3);
}
// TODO ...
wifi_station_dhcpc_stop();
wifi_set_ip_info(STATION_IF, &ipinfo);
if (GET_ARG("sta_addr_gw")) {
dbg("Setting Station mode static IP default gateway to: \"%s\"", buff);
u32 ip = ipaddr_addr(buff);
if (ip != 0) {
wificonf->sta_addr.gw.addr = ip;
wifi_change_flags.sta = true;
} else {
warn("Bad gw IP: %s", buff);
redir_url += sprintf(redir_url, "sta_addr_gw,");
}
}
if (redir_url_buf[10] == 0) {
// All was OK
info("Set WiFi params - success, applying in 1000 ms");
// Settings are applied only if all was OK
//
// This is so that options that consist of multiple keys sent together are not applied
// only partially if set wrong, which could lead to eg. user losing access and having
// to reset to defaults.
persist_store();
// Delayed settings apply, so the response page has a chance to load.
// If user connects via the Station IF, they may not even notice the connection reset.
os_timer_disarm(&timer);
os_timer_setfn(&timer, applyWifiSettingsLaterCb, NULL);
os_timer_arm(&timer, 1000, false);
httpdRedirect(connData, "/wifi");
} else {
warn("Some WiFi settings did not validate, asking for correction");
// Some errors, appended to the URL as ?err=
httpdRedirect(connData, redir_url_buf);
}
return HTTPD_CGI_DONE;
}
@ -578,77 +683,104 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiWiFiSetParams(HttpdConnData *connData)
//Template code for the WLAN page.
httpd_cgi_state ICACHE_FLASH_ATTR tplWlan(HttpdConnData *connData, char *token, void **arg)
{
char buff[500];
char buff[100];
int x;
int connectStatus;
static struct station_config stconf;
static struct softap_config apconf;
if (token == NULL) {
// We're done
return HTTPD_CGI_DONE;
}
wifi_station_get_config(&stconf);
wifi_softap_get_config(&apconf);
strcpy(buff, ""); // fallback
strcpy(buff, "Unknown");
if (streq(token, "WiFiMode")) {
x = wifi_get_opmode();
strcpy(buff, opmode2str(x));
if (streq(token, "opmode_name")) {
strcpy(buff, opmode2str(wificonf->opmode));
}
else if (streq(token, "WiFiModeNum")) {
x = wifi_get_opmode();
sprintf(buff, "%d", x);
else if (streq(token, "opmode")) {
sprintf(buff, "%d", wificonf->opmode);
}
else if (streq(token, "WiFiChannel")) {
sprintf(buff, "%d", apconf.channel);
else if (streq(token, "tpw")) {
sprintf(buff, "%d", wificonf->tpw);
}
else if (streq(token, "APName")) {
sprintf(buff, "%s", apconf.ssid);
else if (streq(token, "ap_channel")) {
sprintf(buff, "%d", wificonf->ap_channel);
}
else if (streq(token, "StaIP")) {
x = wifi_get_opmode();
connectStatus = wifi_station_get_connect_status();
if (x == SOFTAP_MODE || connectStatus != STATION_GOT_IP) {
strcpy(buff, "");
else if (streq(token, "ap_ssid")) {
sprintf(buff, "%s", wificonf->ap_ssid);
}
else {
struct ip_info info;
wifi_get_ip_info(STATION_IF, &info);
sprintf(buff, IPSTR, GOOD_IP2STR(info.ip.addr));
else if (streq(token, "ap_password")) {
sprintf(buff, "%s", wificonf->ap_password);
}
else if (streq(token, "ap_hidden")) {
sprintf(buff, "%d", wificonf->ap_hidden);
}
else if (streq(token, "ap_dhcp_time")) {
sprintf(buff, "%d", wificonf->ap_dhcp_time);
}
else if (streq(token, "ap_dhcp_range_start")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->ap_dhcp_range.start_ip.addr));
}
else if (streq(token, "ap_dhcp_range_end")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->ap_dhcp_range.end_ip.addr));
}
else if (streq(token, "ap_addr_ip")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->ap_addr.ip.addr));
}
else if (streq(token, "ap_addr_mask")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->ap_addr.netmask.addr));
}
else if (streq(token, "sta_ssid")) {
sprintf(buff, "%s", wificonf->sta_ssid);
}
else if (streq(token, "StaSSID")) {
else if (streq(token, "sta_password")) {
sprintf(buff, "%s", wificonf->sta_password);
}
else if (streq(token, "sta_dhcp_enable")) {
sprintf(buff, "%d", wificonf->sta_dhcp_enable);
}
else if (streq(token, "sta_addr_ip")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->sta_addr.ip.addr));
}
else if (streq(token, "ap_addr_mask")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->sta_addr.netmask.addr));
}
else if (streq(token, "ap_addr_gw")) {
sprintf(buff, IPSTR, GOOD_IP2STR(wificonf->sta_addr.gw.addr));
}
else if (streq(token, "sta_rssi")) {
sprintf(buff, "%d", wifi_station_get_rssi());
}
else if (streq(token, "sta_active_ssid")) {
// For display of our current SSID
connectStatus = wifi_station_get_connect_status();
x = wifi_get_opmode();
if (x == SOFTAP_MODE || connectStatus != STATION_GOT_IP) {
strcpy(buff, "");
}
else {
strcpy(buff, (char *) stconf.ssid);
struct station_config staconf;
wifi_station_get_config(&staconf);
strcpy(buff, (char *) staconf.ssid);
}
}
else if (streq(token, "WiFiPasswd")) {
strcpy(buff, (char *) stconf.password);
}
else if (streq(token, "WiFiapwarn")) {
// TODO get rid of this
else if (streq(token, "sta_active_ip")) {
x = wifi_get_opmode();
if (x == SOFTAP_MODE) { // 2
strcpy(buff, "<a href=\"/wifi/setmode?mode=3\">Enable client</a> for scanning.");
}
else if (x == STATIONAP_MODE) { // 3
strcpy(buff,
"Switch: <a href=\"/wifi/setmode?mode=1\">Client only</a>, <a href=\"/wifi/setmode?mode=2\">AP only</a>");
connectStatus = wifi_station_get_connect_status();
if (x == SOFTAP_MODE || connectStatus != STATION_GOT_IP) {
strcpy(buff, "");
}
else { // 1
strcpy(buff,
"Switch: <a href=\"/wifi/setmode?mode=3\">Client+AP</a>, <a href=\"/wifi/setmode?mode=2\">AP only</a>");
else {
struct ip_info info;
wifi_get_ip_info(STATION_IF, &info);
sprintf(buff, "ip: "IPSTR", mask: "IPSTR", gw: "IPSTR,
GOOD_IP2STR(info.ip.addr),
GOOD_IP2STR(info.netmask.addr),
GOOD_IP2STR(info.gw.addr));
}
}
httpdSend(connData, buff, -1);
return HTTPD_CGI_DONE;
}

37
user/persist.c
Unescape View File

@ -11,28 +11,10 @@ PersistBlock persist;
#define PERSIST_SECTOR_ID 0x3D
//region Persist and restore individual modules
/**
* Load persistent settings to live config structs
*/
static void ICACHE_FLASH_ATTR
load_settings_to_live(void)
{
dbg("[Persist] Loading current settings to modules...");
memcpy(wificonf, &persist.current.wificonf, sizeof(WiFiConfigBundle));
memcpy(termconf, &persist.current.termconf, sizeof(TerminalConfigBundle));
// ...
}
// This is used to force-erase the config area (when it's changed)
#define CHECKSUM_SALT 0x02
static void ICACHE_FLASH_ATTR
store_all_settings_from_live(void)
{
dbg("[Persist] Collecting live settings to persist block...");
memcpy(&persist.current.wificonf, wificonf, sizeof(WiFiConfigBundle));
memcpy(&persist.current.termconf, termconf, sizeof(TerminalConfigBundle));
// ...
}
//region Persist and restore individual modules
static void ICACHE_FLASH_ATTR
apply_live_settings(void)
@ -88,7 +70,7 @@ calculateCRC32(const uint8_t *data, size_t length)
static uint32_t ICACHE_FLASH_ATTR
compute_checksum(AppConfigBundle *bundle)
{
return calculateCRC32((uint8_t *) bundle, sizeof(AppConfigBundle) - 4);
return calculateCRC32((uint8_t *) bundle, sizeof(AppConfigBundle) - 4) ^ CHECKSUM_SALT;
}
/**
@ -108,15 +90,16 @@ persist_load(void)
if (hard_reset ||
(compute_checksum(&persist.defaults) != persist.defaults.checksum) ||
(compute_checksum(&persist.current) != persist.current.checksum)) {
error("[Persist] Config block failed to load, restoring to hard defaults.");
dbg("[Persist] Checksum verification: FAILED");
hard_reset = true;
} else {
dbg("[Persist] Checksum verification: PASSED");
}
if (hard_reset) {
persist_restore_hard_default();
// this also stores them to flash and applies to modues
} else {
load_settings_to_live();
apply_live_settings();
}
@ -127,7 +110,6 @@ void ICACHE_FLASH_ATTR
persist_store(void)
{
info("[Persist] Storing all settings to FLASH...");
store_all_settings_from_live();
// Update checksums before write
persist.current.checksum = compute_checksum(&persist.current);
@ -150,9 +132,6 @@ persist_restore_hard_default(void)
// Set live config to default values
restore_live_settings_to_hard_defaults();
// Store live -> current
store_all_settings_from_live();
// Store current -> default
memcpy(&persist.defaults, &persist.current, sizeof(AppConfigBundle));
persist_store();
@ -170,7 +149,6 @@ persist_restore_default(void)
{
info("[Persist] Restoring live settings to stored defaults...");
memcpy(&persist.current, &persist.defaults, sizeof(AppConfigBundle));
load_settings_to_live();
apply_live_settings();
info("[Persist] Settings restored to stored defaults.");
}
@ -183,7 +161,6 @@ persist_set_as_default(void)
{
info("[Persist] Storing live settings as defaults..");
store_all_settings_from_live();
memcpy(&persist.defaults, &persist.current, sizeof(AppConfigBundle));
persist_store();

2
user/persist.h
Unescape View File

@ -24,7 +24,7 @@ typedef struct {
typedef struct {
AppConfigBundle defaults; // defaults are stored here
AppConfigBundle current; // settings persisted by user
AppConfigBundle current; // active settings adjusted by the user
} PersistBlock;
// Persist holds the data currently loaded from the flash

65
user/wifimgr.c
Unescape View File

@ -6,6 +6,7 @@
#include "persist.h"
WiFiConfigBundle * const wificonf = &persist.current.wificonf;
WiFiConfChangeFlags wifi_change_flags;
/**
* Restore defaults in the WiFi config block.
@ -25,24 +26,23 @@ wifimgr_restore_defaults(void)
wificonf->ap_password[0] = 0; // PSK2 always if password is not null.
wificonf->ap_hidden = false;
IP4_ADDR(&wificonf->ap_ip.ip, 192, 168, 4, 60);
IP4_ADDR(&wificonf->ap_ip.netmask, 255, 255, 255, 0);
wificonf->ap_ip.gw.addr = wificonf->ap_ip.gw.addr;
IP4_ADDR(&wificonf->ap_addr.ip, 192, 168, 4, 1);
IP4_ADDR(&wificonf->ap_addr.netmask, 255, 255, 255, 0);
wificonf->ap_addr.gw.addr = wificonf->ap_addr.gw.addr;
IP4_ADDR(&wificonf->ap_dhcp_range.start_ip, 192, 168, 4, 100);
IP4_ADDR(&wificonf->ap_dhcp_range.end_ip, 192, 168, 4, 200);
wificonf->ap_dhcp_range.enable = 1;
wificonf->ap_dhcp_lease_time = 120;
wificonf->ap_dhcp_range.enable = 1; // this will never get changed, idk why it's even there
wificonf->ap_dhcp_time = 120;
// --- Client config ---
wificonf->sta_ssid[0] = 0;
wificonf->sta_password[0] = 0;
strcpy((char *) wificonf->sta_hostname, (char *) wificonf->ap_ssid); // use the same value for sta_hostname as AP name
wificonf->sta_dhcp_enable = true;
IP4_ADDR(&wificonf->sta_ip.ip, 192, 168, 0, (mac[5]==1?2:mac[5])); // avoid being the same as "default gw"
IP4_ADDR(&wificonf->sta_ip.netmask, 255, 255, 255, 0);
IP4_ADDR(&wificonf->sta_ip.gw, 192, 168, 0, 1);
IP4_ADDR(&wificonf->sta_addr.ip, 192, 168, 0, (mac[5] == 1 ? 2 : mac[5])); // avoid being the same as "default gw"
IP4_ADDR(&wificonf->sta_addr.netmask, 255, 255, 255, 0);
IP4_ADDR(&wificonf->sta_addr.gw, 192, 168, 0, 1);
}
static void ICACHE_FLASH_ATTR
@ -57,25 +57,23 @@ configure_station(void)
conf.bssid[0] = 0;
wifi_station_disconnect();
wifi_station_set_config_current(&conf);
dbg("[WiFi] Hostname = %s", wificonf->sta_hostname);
wifi_station_set_hostname((char*)wificonf->sta_hostname);
if (wificonf->sta_dhcp_enable) {
dbg("[WiFi] Starting DHCP...");
if (!wifi_station_dhcpc_start()) {
error("[WiFi] DHCp failed to start!");
error("[WiFi] DHCP failed to start!");
return;
}
}
else {
info("[WiFi] Setting up static IP...");
dbg("[WiFi] Client.ip = "IPSTR, GOOD_IP2STR(wificonf->sta_ip.ip.addr));
dbg("[WiFi] Client.mask = "IPSTR, GOOD_IP2STR(wificonf->sta_ip.netmask.addr));
dbg("[WiFi] Client.gw = "IPSTR, GOOD_IP2STR(wificonf->sta_ip.gw.addr));
dbg("[WiFi] Client.ip = "IPSTR, GOOD_IP2STR(wificonf->sta_addr.ip.addr));
dbg("[WiFi] Client.mask = "IPSTR, GOOD_IP2STR(wificonf->sta_addr.netmask.addr));
dbg("[WiFi] Client.gw = "IPSTR, GOOD_IP2STR(wificonf->sta_addr.gw.addr));
wifi_station_dhcpc_stop();
// Load static IP config
if (!wifi_set_ip_info(STATION_IF, &wificonf->sta_ip)) {
if (!wifi_set_ip_info(STATION_IF, &wificonf->sta_addr)) {
error("[WiFi] Error setting static IP!");
return;
}
@ -113,14 +111,14 @@ configure_ap(void)
// Set IP
info("[WiFi] Configuring SoftAP local IP...");
dbg("[WiFi] SoftAP.ip = "IPSTR, GOOD_IP2STR(wificonf->ap_ip.ip.addr));
dbg("[WiFi] SoftAP.mask = "IPSTR, GOOD_IP2STR(wificonf->ap_ip.netmask.addr));
dbg("[WiFi] SoftAP.gw = "IPSTR, GOOD_IP2STR(wificonf->ap_ip.gw.addr));
dbg("[WiFi] SoftAP.ip = "IPSTR, GOOD_IP2STR(wificonf->ap_addr.ip.addr));
dbg("[WiFi] SoftAP.mask = "IPSTR, GOOD_IP2STR(wificonf->ap_addr.netmask.addr));
dbg("[WiFi] SoftAP.gw = "IPSTR, GOOD_IP2STR(wificonf->ap_addr.gw.addr));
wifi_softap_dhcps_stop();
// Configure DHCP
if (!wifi_set_ip_info(SOFTAP_IF, &wificonf->ap_ip)) {
if (!wifi_set_ip_info(SOFTAP_IF, &wificonf->ap_addr)) {
error("[WiFi] IP set fail!");
return;
}
@ -128,14 +126,14 @@ configure_ap(void)
info("[WiFi] Configuring SoftAP DHCP server...");
dbg("[WiFi] DHCP.start = "IPSTR, GOOD_IP2STR(wificonf->ap_dhcp_range.start_ip.addr));
dbg("[WiFi] DHCP.end = "IPSTR, GOOD_IP2STR(wificonf->ap_dhcp_range.end_ip.addr));
dbg("[WiFi] DHCP.lease = %d minutes", wificonf->ap_dhcp_lease_time);
dbg("[WiFi] DHCP.lease = %d minutes", wificonf->ap_dhcp_time);
if (!wifi_softap_set_dhcps_lease(&wificonf->ap_dhcp_range)) {
error("[WiFi] DHCP address range set fail!");
return;
}
if (!wifi_softap_set_dhcps_lease_time(wificonf->ap_dhcp_lease_time)) {
if (!wifi_softap_set_dhcps_lease_time(wificonf->ap_dhcp_time)) {
error("[WiFi] DHCP lease time set fail!");
return;
}
@ -161,23 +159,34 @@ wifimgr_apply_settings(void)
// Force wifi cycle
// Disconnect - may not be needed?
WIFI_MODE opmode = wifi_get_opmode();
if (opmode == STATIONAP_MODE || opmode == STATION_MODE) {
wifi_station_disconnect();
bool is_sta = wificonf->opmode & STATION_MODE;
bool is_ap = wificonf->opmode & SOFTAP_MODE;
if ((wificonf->opmode & STATION_MODE) && !(opmode & STATION_MODE)) {
wifi_change_flags.sta = true;
}
// This should hopefully deinit everything
wifi_set_opmode_current(NULL_MODE);
if ((wificonf->opmode & SOFTAP_MODE) && !(opmode & SOFTAP_MODE)) {
wifi_change_flags.ap = true;
}
if (opmode != wificonf->opmode) {
wifi_set_opmode_current(wificonf->opmode);
}
// Configure the client
if (wificonf->opmode == STATIONAP_MODE || wificonf->opmode == STATION_MODE) {
if (is_sta && wifi_change_flags.sta) {
configure_station();
}
// Configure the AP
if (wificonf->opmode == STATIONAP_MODE || wificonf->opmode == SOFTAP_MODE) {
if (is_ap && wifi_change_flags.ap) {
configure_ap();
}
wifi_change_flags.ap = false;
wifi_change_flags.sta = false;
info("[WiFi] WiFi settings applied.");
}

25
user/wifimgr.h
Unescape View File

@ -10,6 +10,9 @@
#include <esp8266.h>
#include "cgi_wifi.h"
#define SSID_LEN 32
#define PASSWORD_LEN 64
/**
* A structure holding all configured WiFi parameters
* and the active state.
@ -22,23 +25,29 @@ typedef struct {
// --- AP config ---
u8 ap_channel;
u8 ap_ssid[32];
u8 ap_password[32];
u8 ap_ssid[SSID_LEN];
u8 ap_password[PASSWORD_LEN];
bool ap_hidden;
u16 ap_dhcp_lease_time; // in minutes
u16 ap_dhcp_time; // in minutes
struct dhcps_lease ap_dhcp_range;
struct ip_info ap_ip;
struct ip_info ap_addr;
// --- Client config ---
u8 sta_ssid[32];
u8 sta_password[64];
u8 sta_hostname[32]; // hostname set via the API. This does not seem to have much effect.
u8 sta_ssid[SSID_LEN];
u8 sta_password[PASSWORD_LEN];
bool sta_dhcp_enable;
struct ip_info sta_ip;
struct ip_info sta_addr;
} WiFiConfigBundle;
typedef struct {
bool sta;
bool ap;
} WiFiConfChangeFlags;
extern WiFiConfChangeFlags wifi_change_flags;
extern WiFiConfigBundle * const wificonf;
void wifimgr_restore_defaults(void);

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