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504 lines
12 KiB
504 lines
12 KiB
/*
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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 <httpdespfs.h>
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#include "cgi_term_cfg.h"
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#include "persist.h"
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#include "screen.h"
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#include "helpers.h"
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#include "cgi_logging.h"
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#include "uart_driver.h"
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#include "serial.h"
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#define SET_REDIR_SUC "/cfg/term"
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#define SET_REDIR_ERR SET_REDIR_SUC"?err="
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/** convert hex number to int */
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static ICACHE_FLASH_ATTR u32
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decodehex(const char *buf) {
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u32 n = 0;
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char c;
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while ((c = *buf++) != 0) {
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if (c >= '0' && c <= '9') c -= '0';
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else if (c >= 'a' && c <= 'f') c -= 'a'-10;
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else if (c >= 'A' && c <= 'F') c -= 'A'-10;
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else c = 0;
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n *= 16;
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n += c;
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}
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return n;
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}
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/**
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* Universal CGI endpoint to set Terminal params.
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*/
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httpd_cgi_state ICACHE_FLASH_ATTR
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cgiTermCfgSetParams(HttpdConnData *connData)
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{
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char buff[50];
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char redir_url_buf[100];
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int32 n, w, h;
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bool notify_screen_content = 0, notify_screen_labels = 0;
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bool shall_clear_screen = false;
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bool shall_init_uart = false;
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char *redir_url = redir_url_buf;
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redir_url += sprintf(redir_url, SET_REDIR_ERR);
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// we'll test if anything was printed by looking for \0 in failed_keys_buf
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SystemConfigBundle *sysconf_backup = malloc(sizeof(SystemConfigBundle));
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TerminalConfigBundle *termconf_backup = malloc(sizeof(TerminalConfigBundle));
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memcpy(sysconf_backup, sysconf, sizeof(SystemConfigBundle));
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memcpy(termconf_backup, termconf, sizeof(TerminalConfigBundle));
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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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// width and height must always go together so we can do max size validation
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if (GET_ARG("term_width")) {
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do {
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cgi_dbg("Default screen width: %s", buff);
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w = atoi(buff);
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if (w < 1) {
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cgi_warn("Bad width: \"%s\"", buff);
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redir_url += sprintf(redir_url, "term_width,");
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break;
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}
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if (!GET_ARG("term_height")) {
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cgi_warn("Missing height arg!");
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// this wont happen normally when the form is used
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redir_url += sprintf(redir_url, "term_height,");
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break;
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}
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cgi_dbg("Default screen height: %s", buff);
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h = atoi(buff);
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if (h < 1) {
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cgi_warn("Bad height: \"%s\"", buff);
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redir_url += sprintf(redir_url, "term_height,");
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break;
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}
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if (w * h > MAX_SCREEN_SIZE) {
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cgi_warn("Bad dimensions: %d x %d (total %d)", w, h, w * h);
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redir_url += sprintf(redir_url, "term_width,term_height,");
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break;
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}
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if (termconf->width != w || termconf->height != h) {
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termconf->width = w;
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termconf->height = h;
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shall_clear_screen = true; // this causes a notify
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}
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} while (0);
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}
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if (GET_ARG("default_bg")) {
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cgi_dbg("Screen default BG: %s", buff);
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if (buff[0] == '#') {
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// decode hex
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n = decodehex(buff+1);
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n += 256;
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} else {
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n = atoi(buff);
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}
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if (termconf->default_bg != n) {
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termconf->default_bg = n; // this is current not sent through socket, no use to notify
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}
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}
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if (GET_ARG("default_fg")) {
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cgi_dbg("Screen default FG: %s", buff);
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if (buff[0] == '#') {
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// decode hex
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n = decodehex(buff+1);
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n += 256;
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} else {
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n = atoi(buff);
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}
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if (termconf->default_fg != n) {
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termconf->default_fg = n; // this is current not sent through socket, no use to notify
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}
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}
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if (GET_ARG("parser_tout_ms")) {
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cgi_dbg("Parser timeout: %s ms", buff);
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n = atoi(buff);
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if (n >= 0) {
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termconf->parser_tout_ms = n;
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} else {
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cgi_warn("Bad parser timeout %s", buff);
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redir_url += sprintf(redir_url, "parser_tout_ms,");
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}
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}
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if (GET_ARG("display_tout_ms")) {
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cgi_dbg("Display update idle timeout: %s ms", buff);
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n = atoi(buff);
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if (n > 0) {
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termconf->display_tout_ms = n;
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} else {
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cgi_warn("Bad update timeout %s", buff);
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redir_url += sprintf(redir_url, "display_tout_ms,");
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}
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}
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if (GET_ARG("display_cooldown_ms")) {
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cgi_dbg("Display update cooldown: %s ms", buff);
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n = atoi(buff);
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if (n > 0) {
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termconf->display_cooldown_ms = n;
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} else {
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cgi_warn("Bad cooldown %s", buff);
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redir_url += sprintf(redir_url, "display_cooldown_ms,");
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}
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}
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if (GET_ARG("fn_alt_mode")) {
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cgi_dbg("FN alt mode: %s", buff);
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n = atoi(buff);
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termconf->fn_alt_mode = (bool)n;
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notify_screen_content = true;
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}
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if (GET_ARG("want_all_fn")) {
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cgi_dbg("AllFN mode: %s", buff);
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n = atoi(buff);
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termconf->want_all_fn = (bool)n;
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}
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if (GET_ARG("crlf_mode")) {
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cgi_dbg("CRLF mode: %s", buff);
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n = atoi(buff);
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termconf->crlf_mode = (bool)n;
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notify_screen_content = true;
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}
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if (GET_ARG("show_buttons")) {
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cgi_dbg("Show buttons: %s", buff);
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n = atoi(buff);
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termconf->show_buttons = (bool)n;
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notify_screen_content = true;
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}
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if (GET_ARG("show_config_links")) {
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cgi_dbg("Show config links: %s", buff);
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n = atoi(buff);
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termconf->show_config_links = (bool)n;
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notify_screen_content = true;
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}
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if (GET_ARG("loopback")) {
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cgi_dbg("Loopback: %s", buff);
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n = atoi(buff);
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termconf->loopback = (bool)n;
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}
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if (GET_ARG("theme")) {
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cgi_dbg("Screen color theme: %s", buff);
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n = atoi(buff);
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if (n >= 0) {
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termconf->theme = (u8) n;
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// this can't be notified, page must reload.
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} else {
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cgi_warn("Bad theme num: %s", buff);
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redir_url += sprintf(redir_url, "theme,");
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}
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}
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if (GET_ARG("cursor_shape")) {
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cgi_dbg("Cursor shape: %s", buff);
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n = atoi(buff);
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if (n >= 0 && n <= 6 && n != 1) {
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termconf->cursor_shape = (enum CursorShape) n;
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notify_screen_content = true;
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} else {
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cgi_warn("Bad cursor_shape num: %s", buff);
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redir_url += sprintf(redir_url, "cursor_shape,");
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}
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}
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if (GET_ARG("term_title")) {
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cgi_dbg("Terminal title default text: \"%s\"", buff);
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strncpy_safe(termconf->title, buff, 64); // ATTN those must match the values in
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notify_screen_labels = true;
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}
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for (int btn_i = 1; btn_i <= TERM_BTN_COUNT; btn_i++) {
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sprintf(buff, "btn%d", btn_i);
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if (GET_ARG(buff)) {
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cgi_dbg("Button%d default text: \"%s\"", btn_i, buff);
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strncpy_safe(termconf->btn[btn_i-1], buff, TERM_BTN_LEN);
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notify_screen_labels = true;
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}
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sprintf(buff, "bm%d", btn_i);
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if (GET_ARG(buff)) {
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cgi_dbg("Button%d message (ASCII): \"%s\"", btn_i, buff);
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// parse: comma,space or semicolon separated decimal values of ASCII codes
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char c;
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char *cp = buff;
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int char_i = 0;
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int acu = 0;
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bool lastsp = 1;
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char buff_bm[TERM_BTN_MSG_LEN];
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while ((c = *cp++) != 0) {
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if (c == ' ' || c == ',' || c == ';') {
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if(lastsp) continue;
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if (acu==0 || acu>255) {
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cgi_warn("Bad value! %d", acu);
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redir_url += sprintf(redir_url, "bm%d,", btn_i);
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break;
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}
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if (char_i >= TERM_BTN_MSG_LEN-1) {
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cgi_warn("Too long! %d", acu);
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redir_url += sprintf(redir_url, "bm%d,", btn_i);
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break;
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}
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cgi_dbg("acu %d", acu);
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buff_bm[char_i++] = (char)acu;
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// prepare for next char
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acu = 0;
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lastsp = 1;
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} else if (c>='0'&&c<='9') {
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lastsp = 0;
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acu *= 10;
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acu += c - '0';
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} else {
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cgi_warn("Bad syntax!");
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redir_url += sprintf(redir_url, "bm%d,", btn_i);
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break;
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}
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}
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if (lastsp && char_i == 0) {
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cgi_warn("Required!");
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redir_url += sprintf(redir_url, "bm%d,", btn_i);
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}
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if (!lastsp) {
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buff_bm[char_i++] = (char)acu;
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}
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buff_bm[char_i] = 0;
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cgi_dbg("%s, chari = %d", buff_bm, char_i);
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strncpy(termconf->btn_msg[btn_i-1], buff_bm, TERM_BTN_MSG_LEN);
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}
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}
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if (GET_ARG("uart_baud")) {
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cgi_dbg("Baud rate: %s", buff);
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int baud = atoi(buff);
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if (baud == BIT_RATE_300 ||
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baud == BIT_RATE_600 ||
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baud == BIT_RATE_1200 ||
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baud == BIT_RATE_2400 ||
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baud == BIT_RATE_4800 ||
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baud == BIT_RATE_9600 ||
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baud == BIT_RATE_19200 ||
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baud == BIT_RATE_38400 ||
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baud == BIT_RATE_57600 ||
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baud == BIT_RATE_74880 ||
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baud == BIT_RATE_115200 ||
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baud == BIT_RATE_230400 ||
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baud == BIT_RATE_460800 ||
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baud == BIT_RATE_921600 ||
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baud == BIT_RATE_1843200 ||
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baud == BIT_RATE_3686400) {
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sysconf->uart_baudrate = (u32) baud;
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shall_init_uart = true;
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} else {
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cgi_warn("Bad baud rate %s", buff);
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redir_url += sprintf(redir_url, "uart_baud,");
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}
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}
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if (GET_ARG("uart_parity")) {
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cgi_dbg("Parity: %s", buff);
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int parity = atoi(buff);
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if (parity >= 0 && parity <= 2) {
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sysconf->uart_parity = (UartParityMode) parity;
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shall_init_uart = true;
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} else {
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cgi_warn("Bad parity %s", buff);
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redir_url += sprintf(redir_url, "uart_parity,");
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}
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}
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if (GET_ARG("uart_stopbits")) {
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cgi_dbg("Stop bits: %s", buff);
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int stopbits = atoi(buff);
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if (stopbits >= 1 && stopbits <= 3) {
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sysconf->uart_stopbits = (UartStopBitsNum) stopbits;
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shall_init_uart = true;
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} else {
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cgi_warn("Bad stopbits %s", buff);
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redir_url += sprintf(redir_url, "uart_stopbits,");
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}
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}
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(void)redir_url;
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if (redir_url_buf[strlen(SET_REDIR_ERR)] == 0) {
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// All was OK
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info("Set term params - success, saving...");
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persist_store();
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if (shall_clear_screen) {
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terminal_apply_settings();
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} else {
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terminal_apply_settings_noclear();
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}
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if (shall_init_uart) {
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serialInit();
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}
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if (notify_screen_content) {
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screen_notifyChange(CHANGE_CONTENT);
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}
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if (notify_screen_labels) {
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screen_notifyChange(CHANGE_LABELS);
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}
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httpdRedirect(connData, SET_REDIR_SUC "?msg=Settings%20saved%20and%20applied.");
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} else {
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cgi_warn("Some settings did not validate, asking for correction");
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memcpy(sysconf, sysconf_backup, sizeof(SystemConfigBundle));
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memcpy(termconf, termconf_backup, sizeof(TerminalConfigBundle));
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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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free(sysconf_backup);
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free(termconf_backup);
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return HTTPD_CGI_DONE;
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}
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httpd_cgi_state ICACHE_FLASH_ATTR
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tplTermCfg(HttpdConnData *connData, char *token, void **arg)
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{
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#define BUFLEN TERM_TITLE_LEN
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char buff[BUFLEN];
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char buff2[10];
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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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if (streq(token, "term_width")) {
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sprintf(buff, "%d", termconf->width);
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}
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else if (streq(token, "term_height")) {
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sprintf(buff, "%d", termconf->height);
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}
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else if (streq(token, "parser_tout_ms")) {
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sprintf(buff, "%d", termconf->parser_tout_ms);
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}
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else if (streq(token, "display_tout_ms")) {
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sprintf(buff, "%d", termconf->display_tout_ms);
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}
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else if (streq(token, "display_cooldown_ms")) {
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sprintf(buff, "%d", termconf->display_cooldown_ms);
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}
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else if (streq(token, "fn_alt_mode")) {
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sprintf(buff, "%d", (int)termconf->fn_alt_mode);
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}
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else if (streq(token, "want_all_fn")) {
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sprintf(buff, "%d", (int)termconf->want_all_fn);
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}
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else if (streq(token, "crlf_mode")) {
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sprintf(buff, "%d", (int)termconf->crlf_mode);
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}
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else if (streq(token, "show_buttons")) {
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sprintf(buff, "%d", (int)termconf->show_buttons);
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}
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else if (streq(token, "show_config_links")) {
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sprintf(buff, "%d", (int)termconf->show_config_links);
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}
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else if (streq(token, "loopback")) {
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sprintf(buff, "%d", (int)termconf->loopback);
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}
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else if (streq(token, "theme")) {
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sprintf(buff, "%d", termconf->theme);
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}
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else if (streq(token, "default_bg")) {
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if (termconf->default_bg < 256) {
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sprintf(buff, "%d", termconf->default_bg);
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} else {
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sprintf(buff, "#%06X", termconf->default_bg - 256);
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}
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}
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else if (streq(token, "default_fg")) {
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if (termconf->default_fg < 256) {
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sprintf(buff, "%d", termconf->default_fg);
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} else {
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sprintf(buff, "#%06X", termconf->default_fg - 256);
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}
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}
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else if (streq(token, "cursor_shape")) {
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sprintf(buff, "%d", termconf->cursor_shape);
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}
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else if (streq(token, "term_title")) {
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strncpy_safe(buff, termconf->title, BUFLEN);
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}
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else if (streq(token, "uart_baud")) {
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sprintf(buff, "%d", sysconf->uart_baudrate);
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}
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else if (streq(token, "uart_parity")) {
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sprintf(buff, "%d", sysconf->uart_parity);
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}
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else if (streq(token, "uart_stopbits")) {
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sprintf(buff, "%d", sysconf->uart_stopbits);
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}
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else {
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for (int btn_i = 1; btn_i <= TERM_BTN_COUNT; btn_i++) {
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sprintf(buff2, "btn%d", btn_i);
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if (streq(token, buff2)) {
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strncpy_safe(buff, termconf->btn[btn_i-1], BUFLEN);
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break;
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}
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sprintf(buff2, "bm%d", btn_i);
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if (streq(token, buff2)) {
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char c;
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char *bp = buff;
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char *cp = termconf->btn_msg[btn_i-1];
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int n = 0;
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while((c = *cp++) != 0) {
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if(n>0) {
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*bp = ',';
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bp++;
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}
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bp += sprintf(bp, "%d", (int)c);
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n++;
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}
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break;
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}
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}
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}
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tplSend(connData, buff, -1);
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return HTTPD_CGI_DONE;
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}
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