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98 lines
2.5 KiB
98 lines
2.5 KiB
7 years ago
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/*
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Cgi/template routines for configuring non-wifi settings
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*/
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#include <esp8266.h>
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#include "cgi_wifi.h"
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#include "wifimgr.h"
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#include "persist.h"
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// strcpy that adds 0 at the end of the buffer. Returns void.
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#define strncpy_safe(dst, src, n) do { strncpy((char *)(dst), (char *)(src), (n)); (dst)[(n)-1]=0; } while (0)
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/**
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* Universal CGI endpoint to set WiFi params.
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* Note that some may cause a (delayed) restart.
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*/
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httpd_cgi_state ICACHE_FLASH_ATTR cgiAppCfgSet(HttpdConnData *connData)
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{
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static ETSTimer timer;
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char buff[50];
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#define REDIR_BASE_URL "/wifi?err="
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char redir_url_buf[300];
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char *redir_url = redir_url_buf;
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redir_url += sprintf(redir_url, REDIR_BASE_URL);
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// we'll test if anything was printed by looking for \0 in failed_keys_buf
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if (connData->conn == NULL) {
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//Connection aborted. Clean up.
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return HTTPD_CGI_DONE;
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}
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#define GET_ARG(key) (httpdFindArg(connData->getArgs, key, buff, sizeof(buff)) > 0)
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// TODO
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if (GET_ARG("opmode")) {
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dbg("Setting WiFi opmode to: %s", buff);
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int mode = atoi(buff);
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if (mode > NULL_MODE && mode < MAX_MODE) {
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wificonf->opmode = (WIFI_MODE) mode;
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} else {
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warn("Bad opmode value \"%s\"", buff);
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redir_url += sprintf(redir_url, "opmode,");
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}
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}
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if (redir_url_buf[strlen(REDIR_BASE_URL)] == 0) {
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// All was OK
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info("Set WiFi params - success, applying in 1000 ms");
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// Settings are applied only if all was OK
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//
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// This is so that options that consist of multiple keys sent together are not applied
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// only partially if set wrong, which could lead to eg. user losing access and having
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// to reset to defaults.
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persist_store();
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// Delayed settings apply, so the response page has a chance to load.
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// If user connects via the Station IF, they may not even notice the connection reset.
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os_timer_disarm(&timer);
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os_timer_setfn(&timer, applyWifiSettingsLaterCb, NULL);
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os_timer_arm(&timer, 1000, false);
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httpdRedirect(connData, "/wifi");
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} else {
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warn("Some WiFi settings did not validate, asking for correction");
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// Some errors, appended to the URL as ?err=
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httpdRedirect(connData, redir_url_buf);
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}
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return HTTPD_CGI_DONE;
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}
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//Template code for the WLAN page.
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httpd_cgi_state ICACHE_FLASH_ATTR tplAppCfg(HttpdConnData *connData, char *token, void **arg)
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{
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char buff[100];
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int x;
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int connectStatus;
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if (token == NULL) {
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// We're done
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return HTTPD_CGI_DONE;
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}
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strcpy(buff, ""); // fallback
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// TODO
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if (streq(token, "opmode_name")) {
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strcpy(buff, opmode2str(wificonf->opmode));
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}
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httpdSend(connData, buff, -1);
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return HTTPD_CGI_DONE;
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}
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