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/*
* Toxic -- Tox Curses Client
*/
#include <curses.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef _win32
#include <direct.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#endif
#include "../../core/Messenger.h"
#include "../../core/network.h"
#include "configdir.h"
#include "windows.h"
extern ToxWindow new_prompt();
extern ToxWindow new_friendlist();
extern int friendlist_onFriendAdded(Messenger *m, int num);
extern void disable_chatwin(int f_num);
extern int add_req(uint8_t *public_key); // XXX
extern unsigned char *hex_string_to_bin(char hex_string[]);
/* Holds status of chat windows */
char WINDOW_STATUS[MAX_WINDOW_SLOTS];
#ifndef TOXICVER
#define TOXICVER "NOVER" //Use the -D flag to set this
#endif
static ToxWindow windows[MAX_WINDOW_SLOTS];
static ToxWindow* prompt;
static Messenger *m;
int w_num;
int active_window;
/* CALLBACKS START */
void on_request(uint8_t *public_key, uint8_t *data, uint16_t length)
{
int n = add_req(public_key);
wprintw(prompt->window, "\nFriend request from:\n");
int i;
for (i = 0; i < KEY_SIZE_BYTES; ++i) {
wprintw(prompt->window, "%02x", public_key[i] & 0xff);
}
wprintw(prompt->window, "\nWith the message: %s\n", data);
wprintw(prompt->window, "\nUse \"accept %d\" to accept it.\n", n);
for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
if (windows[i].onFriendRequest != NULL)
windows[i].onFriendRequest(&windows[i], public_key, data, length);
}
}
void on_message(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
int i;
for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
if (windows[i].onMessage != NULL)
windows[i].onMessage(&windows[i], m, friendnumber, string, length);
}
}
void on_action(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
int i;
for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
if (windows[i].onAction != NULL)
windows[i].onAction(&windows[i], m, friendnumber, string, length);
}
}
void on_nickchange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
wprintw(prompt->window, "\n(nickchange) %d: %s\n", friendnumber, string);
int i;
for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
if (windows[i].onNickChange != NULL)
windows[i].onNickChange(&windows[i], friendnumber, string, length);
}
}
void on_statuschange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
wprintw(prompt->window, "\n(statuschange) %d: %s\n", friendnumber, string);
int i;
for (i=0; i<MAX_WINDOW_SLOTS; ++i) {
if (windows[i].onStatusChange != NULL)
windows[i].onStatusChange(&windows[i], friendnumber, string, length);
}
}
void on_friendadded(int friendnumber)
{
friendlist_onFriendAdded(m, friendnumber);
}
/* CALLBACKS END */
static void init_term()
{
/* Setup terminal */
initscr();
cbreak();
keypad(stdscr, 1);
noecho();
timeout(100);
if (has_colors()) {
start_color();
init_pair(1, COLOR_GREEN, COLOR_BLACK);
init_pair(2, COLOR_CYAN, COLOR_BLACK);
init_pair(3, COLOR_RED, COLOR_BLACK);
init_pair(4, COLOR_BLUE, COLOR_BLACK);
}
refresh();
}
static void init_tox()
{
/* Init core */
m = initMessenger();
/* Callbacks */
m_callback_friendrequest(m, on_request);
m_callback_friendmessage(m, on_message);
m_callback_namechange(m, on_nickchange);
m_callback_statusmessage(m, on_statuschange);
m_callback_action(m, on_action);
}
#define MAXLINE 90 /* Approx max number of chars in a sever line (IP + port + key) */
#define MINLINE 70
#define MAXSERVERS 50
/* Connects to a random DHT server listed in the DHTservers file */
int init_connection(void)
{
if (DHT_isconnected())
return 0;
FILE *fp = fopen("../../../other/DHTservers", "r");
if (!fp)
return 1;
char servers[MAXSERVERS][MAXLINE];
char line[MAXLINE];
int linecnt = 0;
while (fgets(line, sizeof(line), fp) && linecnt < MAXSERVERS) {
int len = strlen(line);
if (len > MINLINE && len < MAXLINE)
strcpy(servers[linecnt++], line);
}
if (linecnt < 1) {
fclose(fp);
return 2;
}
fclose(fp);
char *server = servers[rand() % linecnt];
char *ip = strtok(server, " ");
char *port = strtok(NULL, " ");
char *key = strtok(NULL, " ");
if (!ip || !port || !key)
return 3;
IP_Port dht;
dht.port = htons(atoi(port));
uint32_t resolved_address = resolve_addr(ip);
if (resolved_address == 0)
return 4;
dht.ip.i = resolved_address;
unsigned char *binary_string = hex_string_to_bin(key);
DHT_bootstrap(dht, binary_string);
free(binary_string);
return 0;
}
void init_window_status()
{
/* Default window values decrement from -2 */
int i;
for (i = 0; i < N_DEFAULT_WINS; ++i)
WINDOW_STATUS[i] = -(i+2);
int j;
for (j = N_DEFAULT_WINS; j < MAX_WINDOW_SLOTS; j++)
WINDOW_STATUS[j] = -1;
}
int add_window(ToxWindow w, int n)
{
if (w_num >= TOXWINDOWS_MAX_NUM)
return -1;
if (LINES < 2)
return -1;
w.window = newwin(LINES - 2, COLS, 0, 0);
if (w.window == NULL)
return -1;
windows[n] = w;
w.onInit(&w, m);
w_num++;
return n;
}
/* Deletes window w and cleans up */
void del_window(ToxWindow *w, int f_num)
{
delwin(w->window);
int i;
for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; ++i) {
if (WINDOW_STATUS[i] == f_num) {
WINDOW_STATUS[i] = -1;
disable_chatwin(f_num);
break;
}
}
clear();
refresh();
}
static void init_windows()
{
w_num = 0;
int n_prompt = 0;
int n_friendslist = 1;
if (add_window(new_prompt(), n_prompt) == -1
|| add_window(new_friendlist(), n_friendslist) == -1) {
fprintf(stderr, "add_window() failed.\n");
endwin();
exit(1);
}
prompt = &windows[n_prompt];
}
static void do_tox()
{
static bool dht_on = false;
if (!dht_on && DHT_isconnected()) {
dht_on = true;
wprintw(prompt->window, "\nDHT connected.\n");
}
else if (dht_on && !DHT_isconnected()) {
dht_on = false;
wprintw(prompt->window, "\nDHT disconnected.\n");
}
doMessenger(m);
}
static void load_data(char *path)
{
FILE *fd;
size_t len;
uint8_t *buf;
if ((fd = fopen(path, "r")) != NULL) {
fseek(fd, 0, SEEK_END);
len = ftell(fd);
fseek(fd, 0, SEEK_SET);
buf = malloc(len);
if (buf == NULL) {
fprintf(stderr, "malloc() failed.\n");
fclose(fd);
endwin();
exit(1);
}
if (fread(buf, len, 1, fd) != 1){
fprintf(stderr, "fread() failed.\n");
free(buf);
fclose(fd);
endwin();
exit(1);
}
Messenger_load(m, buf, len);
}
else {
len = Messenger_size(m);
buf = malloc(len);
if (buf == NULL) {
fprintf(stderr, "malloc() failed.\n");
endwin();
exit(1);
}
Messenger_save(m, buf);
fd = fopen(path, "w");
if (fd == NULL) {
fprintf(stderr, "fopen() failed.\n");
free(buf);
endwin();
exit(1);
}
if (fwrite(buf, len, 1, fd) != 1){
fprintf(stderr, "fwrite() failed.\n");
free(buf);
fclose(fd);
endwin();
exit(1);
}
}
free(buf);
fclose(fd);
}
static void draw_bar()
{
static int odd = 0;
int blinkrate = 30;
attron(COLOR_PAIR(4));
mvhline(LINES - 2, 0, '_', COLS);
attroff(COLOR_PAIR(4));
move(LINES - 1, 0);
attron(COLOR_PAIR(4) | A_BOLD);
printw(" TOXIC " TOXICVER "|");
attroff(COLOR_PAIR(4) | A_BOLD);
int i;
for (i = 0; i < (MAX_WINDOW_SLOTS); ++i) {
if (WINDOW_STATUS[i] != -1) {
if (i == active_window)
attron(A_BOLD);
odd = (odd+1) % blinkrate;
if (windows[i].blink && (odd < (blinkrate/2)))
attron(COLOR_PAIR(3));
printw(" %s", windows[i].title);
if (windows[i].blink && (odd < (blinkrate/2)))
attroff(COLOR_PAIR(3));
if (i == active_window) {
attroff(A_BOLD);
}
}
}
refresh();
}
void prepare_window(WINDOW *w)
{
mvwin(w, 0, 0);
wresize(w, LINES-2, COLS);
}
/* Shows next window when tab or back-tab is pressed */
void set_active_window(int ch)
{
int f_inf = 0;
int max = MAX_WINDOW_SLOTS-1;
if (ch == '\t') {
int i = (active_window + 1) % max;
while (true) {
if (WINDOW_STATUS[i] != -1) {
active_window = i;
return;
}
i = (i + 1) % max;
if (f_inf++ > max) { // infinite loop check
endwin();
exit(2);
}
}
}else {
int i = active_window - 1;
if (i < 0) i = max;
while (true) {
if (WINDOW_STATUS[i] != -1) {
active_window = i;
return;
}
if (--i < 0) i = max;
if (f_inf++ > max) {
endwin();
exit(2);
}
}
}
}
int main(int argc, char *argv[])
{
int ch;
ToxWindow* a;
char *user_config_dir = get_user_config_dir();
char *DATA_FILE;
int config_err = create_user_config_dir(user_config_dir);
if(config_err) {
DATA_FILE = "data";
} else {
DATA_FILE = malloc(strlen(user_config_dir) + strlen(CONFIGDIR) + strlen("data") + 1);
strcpy(DATA_FILE, user_config_dir);
strcat(DATA_FILE, CONFIGDIR);
strcat(DATA_FILE, "data");
}
free(user_config_dir);
/* This is broken */
int f_loadfromfile = 1;
int f_flag = 0;
int i = 0;
for (i = 0; i < argc; ++i) {
if (argv[i] == NULL)
break;
else if (argv[i][0] == '-') {
if (argv[i][1] == 'f') {
if (argv[i + 1] != NULL)
DATA_FILE = argv[i + 1];
else
f_flag = -1;
} else if (argv[i][1] == 'n') {
f_loadfromfile = 0;
}
}
}
init_term();
init_tox();
init_windows();
init_window_status();
if(f_loadfromfile)
load_data(DATA_FILE);
free(DATA_FILE);
int connected = init_connection();
if (connected != 0)
wprintw(prompt->window, "Auto-connect failed (error code %d)\n", connected);
if (f_flag == -1) {
attron(COLOR_PAIR(3) | A_BOLD);
wprintw(prompt->window, "You passed '-f' without giving an argument.\n"
"defaulting to 'data' for a keyfile...\n");
attroff(COLOR_PAIR(3) | A_BOLD);
}
if(config_err) {
attron(COLOR_PAIR(3) | A_BOLD);
wprintw(prompt->window, "Unable to determine configuration directory.\n"
"defaulting to 'data' for a keyfile...\n");
attroff(COLOR_PAIR(3) | A_BOLD);
}
while(true) {
/* Update tox */
do_tox();
/* Draw */
a = &windows[active_window];
prepare_window(a->window);
a->blink = false;
draw_bar();
a->onDraw(a);
/* Handle input */
ch = getch();
if (ch == '\t' || ch == KEY_BTAB)
set_active_window(ch);
else if (ch != ERR)
a->onKey(a, m, ch);
}
cleanupMessenger(m);
return 0;
}
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