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@ -18,6 +18,7 @@ Cgi/template routines for the /wifi url. |
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#include "cgiwifi.h" |
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#include "cgi.h" |
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#include "status.h" |
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#include "config.h" |
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#include "log.h" |
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//Enable this to disallow any changes in AP settings
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@ -289,10 +290,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) { |
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char essid[128]; |
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char passwd[128]; |
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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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if (connData->conn==NULL) return HTTPD_CGI_DONE; |
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int el = httpdFindArg(connData->getArgs, "essid", essid, sizeof(essid)); |
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int pl = httpdFindArg(connData->getArgs, "passwd", passwd, sizeof(passwd)); |
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@ -317,6 +315,104 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) { |
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return HTTPD_CGI_DONE; |
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} |
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static bool parse_ip(char *buff, ip_addr_t *ip_ptr) { |
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char *next = buff; // where to start parsing next integer
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int found = 0; // number of integers parsed
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uint32_t ip = 0; // the ip addres parsed
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for (int i=0; i<32; i++) { // 32 is just a safety limit
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char c = buff[i]; |
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if (c == '.' || c == 0) { |
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// parse the preceding integer and accumulate into IP address
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bool last = c == 0; |
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buff[i] = 0; |
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uint32_t v = atoi(next); |
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ip = ip | ((v&0xff)<<(found*8)); |
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next = buff+i+1; // next integer starts after the '.'
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found++; |
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if (last) { // if at end of string we better got 4 integers
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ip_ptr->addr = ip; |
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return found == 4; |
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} |
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continue; |
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} |
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if (c < '0' || c > '9') return false; |
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} |
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return false; |
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} |
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#define DEBUGIP |
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#ifdef DEBUGIP |
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static void ICACHE_FLASH_ATTR debugIP() { |
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struct ip_info info; |
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if (wifi_get_ip_info(0, &info)) { |
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os_printf("\"ip\": \"%d.%d.%d.%d\"\n", IP2STR(&info.ip.addr)); |
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os_printf("\"netmask\": \"%d.%d.%d.%d\"\n", IP2STR(&info.netmask.addr)); |
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os_printf("\"gateway\": \"%d.%d.%d.%d\"\n", IP2STR(&info.gw.addr)); |
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os_printf("\"hostname\": \"%s\"", flashConfig.hostname); |
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} else { |
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os_printf("\"ip\": \"-none-\"\n"); |
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} |
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} |
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#endif |
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// Change special settings
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int ICACHE_FLASH_ATTR cgiWiFiSpecial(HttpdConnData *connData) { |
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char hostname[32]; |
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char staticip[32]; |
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char netmask[32]; |
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char gateway[32]; |
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if (connData->conn==NULL) return HTTPD_CGI_DONE; |
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// get args and their string lengths
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int hl = httpdFindArg(connData->getArgs, "hostname", hostname, sizeof(hostname)); |
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int sl = httpdFindArg(connData->getArgs, "staticip", staticip, sizeof(staticip)); |
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int nl = httpdFindArg(connData->getArgs, "netmask", netmask, sizeof(netmask)); |
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int gl = httpdFindArg(connData->getArgs, "gateway", gateway, sizeof(gateway)); |
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if (hl >= 0 && sl >= 0 && nl >= 0 && gl >= 0) { |
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if (sl > 0) { |
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// static IP overrides hostname (HDCP stuff)
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wifi_station_dhcpc_stop(); |
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struct ip_info ipi; |
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bool ok = parse_ip(staticip, &ipi.ip); |
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if (nl > 0) ok = ok && parse_ip(netmask, &ipi.netmask); |
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else IP4_ADDR(&ipi.netmask, 255, 255, 255, 0); |
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if (gl > 0) ok = ok && parse_ip(gateway, &ipi.gw); |
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else ipi.gw.addr = 0; |
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if (ok) { |
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os_printf("Setting static IP: %s\n", staticip); |
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ok = wifi_set_ip_info(0, &ipi); |
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if (ok) os_printf("Static IP set: %s\n", staticip); |
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#ifdef DEBUGIP |
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debugIP(); |
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#endif |
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jsonHeader(connData, ok ? 200: 400); |
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return HTTPD_CGI_DONE; |
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} |
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} else { |
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// no static IP, set hostname
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if (hl == 0) os_strcpy(hostname, "esp-link"); |
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if (wifi_station_dhcpc_status() == DHCP_STARTED) |
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wifi_station_dhcpc_stop(); |
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bool hok = wifi_station_set_hostname(hostname); |
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if (hok) { |
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os_strcpy(flashConfig.hostname, hostname); |
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hok = hok && configSave(); |
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} |
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hok = hok && wifi_station_dhcpc_start(); |
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if (hok) os_printf("DHCP hostname set: %s\n", hostname); |
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jsonHeader(connData, hok ? 200 : 400); |
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if (!hok) httpdSend(connData, "Error setting hostname or starting DHCP", -1); |
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return HTTPD_CGI_DONE; |
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} |
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} |
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jsonHeader(connData, 400); |
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httpdSend(connData, "Cannot parse hostname or staticip", -1); |
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return HTTPD_CGI_DONE; |
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} |
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//This cgi changes the operating mode: STA / AP / STA+AP
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int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) { |
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int len; |
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@ -386,9 +482,10 @@ int ICACHE_FLASH_ATTR printWifiInfo(char *buff) { |
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struct ip_info info; |
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if (wifi_get_ip_info(0, &info)) { |
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len += os_sprintf(buff+len, ", \"ip\": \"%d.%d.%d.%d\"", |
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(info.ip.addr>>0)&0xff, (info.ip.addr>>8)&0xff, |
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(info.ip.addr>>16)&0xff, (info.ip.addr>>24)&0xff); |
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len += os_sprintf(buff+len, ", \"ip\": \"%d.%d.%d.%d\"", IP2STR(&info.ip.addr)); |
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len += os_sprintf(buff+len, ", \"netmask\": \"%d.%d.%d.%d\"", IP2STR(&info.netmask.addr)); |
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len += os_sprintf(buff+len, ", \"gateway\": \"%d.%d.%d.%d\"", IP2STR(&info.gw.addr)); |
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len += os_sprintf(buff+len, ", \"hostname\": \"%s\"", flashConfig.hostname); |
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} else { |
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len += os_sprintf(buff+len, ", \"ip\": \"-none-\""); |
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} |
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@ -449,7 +546,7 @@ int ICACHE_FLASH_ATTR cgiWifiInfo(HttpdConnData *connData) { |
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// Init the wireless, which consists of setting a timer if we expect to connect to an AP
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// so we can revert to STA+AP mode if we can't connect.
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void ICACHE_FLASH_ATTR wifiInit() { |
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wifi_station_set_hostname("esp-link"); |
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wifi_station_set_hostname(flashConfig.hostname); |
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int x = wifi_get_opmode() & 0x3; |
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os_printf("Wifi init, mode=%s\n", wifiMode[x]); |
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wifi_set_phy_mode(2); |
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Thorsten von Eicken
10 years ago