ESPTerm - ESP8266 terminal emulator. Branches: [master] patches, [work] next release
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espterm-firmware/user/cgi_appcfg.c

97 lines
2.5 KiB

/*
Cgi/template routines for configuring non-wifi settings
*/
#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)
/**
* Universal CGI endpoint to set WiFi params.
* Note that some may cause a (delayed) restart.
*/
httpd_cgi_state ICACHE_FLASH_ATTR cgiAppCfgSet(HttpdConnData *connData)
{
static ETSTimer timer;
char buff[50];
#define REDIR_BASE_URL "/wifi?err="
char redir_url_buf[300];
char *redir_url = redir_url_buf;
redir_url += sprintf(redir_url, REDIR_BASE_URL);
// 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;
}
#define GET_ARG(key) (httpdFindArg(connData->getArgs, key, buff, sizeof(buff)) > 0)
// TODO
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,");
}
}
if (redir_url_buf[strlen(REDIR_BASE_URL)] == 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;
}
//Template code for the WLAN page.
httpd_cgi_state ICACHE_FLASH_ATTR tplAppCfg(HttpdConnData *connData, char *token, void **arg)
{
char buff[100];
int x;
int connectStatus;
if (token == NULL) {
// We're done
return HTTPD_CGI_DONE;
}
strcpy(buff, ""); // fallback
// TODO
if (streq(token, "opmode_name")) {
strcpy(buff, opmode2str(wificonf->opmode));
}
httpdSend(connData, buff, -1);
return HTTPD_CGI_DONE;
}