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/* nTox.c
*
* Textual frontend for Tox.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "nTox.h"
#include "misc_tools.h"
#include <stdio.h>
#include <time.h>
#ifdef WIN32
#define c_sleep(x) Sleep(1*x)
#else
#include <unistd.h>
#define c_sleep(x) usleep(1000*x)
#endif
char lines[HISTORY][STRING_LENGTH];
char line[STRING_LENGTH];
char *help = "[i] commands: /f ID (to add friend), /m friendnumber message (to send message), /s status (to change status)\n"
"[i] /l list (list friends), /h for help, /i for info, /n nick (to change nickname), /q (to quit)";
int x, y;
uint8_t pending_requests[256][CLIENT_ID_SIZE];
uint8_t num_requests = 0;
void new_lines(char *line)
{
int i;
for (i = HISTORY-1; i > 0; i--)
strcpy(lines[i], lines[i-1]);
strcpy(lines[0], line);
do_refresh();
}
void print_friendlist()
{
char name[MAX_NAME_LENGTH];
new_lines("[i] Friend List:");
uint32_t i;
for (i = 0; i <= num_requests; i++) {
char fstring[128];
getname(i, (uint8_t*)name);
if (strlen(name) <= 0) {
sprintf(fstring, "[i] Friend: NULL\n\tid: %i", i);
} else {
sprintf(fstring, "[i] Friend: %s\n\tid: %i", (uint8_t*)name, i);
}
new_lines(fstring);
}
}
char *format_message(char *message, int friendnum)
{
char name[MAX_NAME_LENGTH];
if (friendnum != -1) {
getname(friendnum, (uint8_t*)name);
} else {
getself_name((uint8_t*)name);
}
char *msg = malloc(100+strlen(message)+strlen(name)+1);
time_t rawtime;
struct tm * timeinfo;
time ( &rawtime );
timeinfo = localtime ( &rawtime );
char* time = asctime(timeinfo);
size_t len = strlen(time);
time[len-1] = '\0';
if (friendnum != -1) {
sprintf(msg, "[%d] %s <%s> %s", friendnum, time, name, message);
} else {
// This message came from ourselves
sprintf(msg, "%s <%s> %s", time, name, message);
}
return msg;
}
void line_eval(char lines[HISTORY][STRING_LENGTH], char *line)
{
if (line[0] == '/') {
char inpt_command = line[1];
char prompt[STRING_LENGTH+2] = "> ";
int prompt_offset = 3;
strcat(prompt, line);
new_lines(prompt);
if (inpt_command == 'f') { // add friend command: /f ID
int i;
char temp_id[128];
for (i = 0; i < 128; i++)
temp_id[i] = line[i+prompt_offset];
int num = m_addfriend(hex_string_to_bin(temp_id), (uint8_t*)"Install Gentoo", sizeof("Install Gentoo"));
char numstring[100];
switch (num) {
case -1:
sprintf(numstring, "[i] Incorrect key length");
break;
case -2:
sprintf(numstring, "[i] That appears to be your own key");
break;
case -3:
sprintf(numstring, "[i] Friend request already sent");
break;
case -4:
sprintf(numstring, "[i] Could not add friend");
break;
default:
sprintf(numstring, "[i] Added friend %d", num);
break;
}
new_lines(numstring);
do_refresh();
}
else if (inpt_command == 'd') {
doMessenger();
}
else if (inpt_command == 'm') { //message command: /m friendnumber messsage
size_t len = strlen(line);
char numstring[len-3];
char message[len-3];
int i;
for (i = 0; i < len; i++) {
if (line[i+3] != ' ') {
numstring[i] = line[i+3];
} else {
int j;
for (j = (i+1); j < len; j++)
message[j-i-1] = line[j+3];
break;
}
}
int num = atoi(numstring);
if (m_sendmessage(num, (uint8_t*) message, sizeof(message)) != 1) {
new_lines("[i] could not send message");
} else {
new_lines(format_message(message, -1));
}
}
else if (inpt_command == 'n') {
uint8_t name[MAX_NAME_LENGTH];
int i = 0;
size_t len = strlen(line);
for (i = 3; i < len; i++) {
if (line[i] == 0 || line[i] == '\n') break;
name[i-3] = line[i];
}
name[i-3] = 0;
setname(name, i);
char numstring[100];
sprintf(numstring, "[i] changed nick to %s", (char*)name);
new_lines(numstring);
}
else if (inpt_command == 'l') {
print_friendlist();
}
else if (inpt_command == 's') {
uint8_t status[MAX_USERSTATUS_LENGTH];
int i = 0;
size_t len = strlen(line);
for (i = 3; i < len; i++) {
if (line[i] == 0 || line[i] == '\n') break;
status[i-3] = line[i];
}
status[i-3] = 0;
m_set_userstatus(status, strlen((char*)status));
char numstring[100];
sprintf(numstring, "[i] changed status to %s", (char*)status);
new_lines(numstring);
}
else if (inpt_command == 'a') {
uint8_t numf = atoi(line + 3);
char numchar[100];
int num = m_addfriend_norequest(pending_requests[numf]);
if (num != -1) {
sprintf(numchar, "[i] friend request %u accepted", numf);
new_lines(numchar);
sprintf(numchar, "[i] added friendnumber %d", num);
new_lines(numchar);
} else {
sprintf(numchar, "[i] failed to add friend");
new_lines(numchar);
}
do_refresh();
}
else if (inpt_command == 'h') { //help
new_lines("[i] commands: /f ID (to add friend), /m friendnumber message (to send message), /s status (to change status)");
new_lines("[i] /l list (list friends), /h for help, /i for info, /n nick (to change nickname), /q (to quit)");
}
else if (inpt_command == 'i') { //info
char idstring0[200];
char idstring1[PUB_KEY_BYTES][5];
char idstring2[PUB_KEY_BYTES][5];
int i;
for (i = 0; i < PUB_KEY_BYTES; i++)
{
if (self_public_key[i] < (PUB_KEY_BYTES/2))
strcpy(idstring1[i],"0");
else
strcpy(idstring1[i], "");
sprintf(idstring2[i], "%hhX", self_public_key[i]);
}
//
strcpy(idstring0,"[i] ID: ");
int j;
for (j = 0; j < PUB_KEY_BYTES; j++) {
strcat(idstring0,idstring1[j]);
strcat(idstring0,idstring2[j]);
}
new_lines(idstring0);
}
else if (inpt_command == 'q') { //exit
endwin();
exit(EXIT_SUCCESS);
} else {
new_lines("[i] invalid command");
}
} else {
new_lines("[i] invalid command");
//new_lines(line);
}
}
void wrap(char output[STRING_LENGTH], char input[STRING_LENGTH], int line_width)
{
strcpy(output,input);
size_t len = strlen(output);
int i = 0;
for (i = line_width; i < len; i = i + line_width) {
while (output[i] != ' ' && i != 0) {
i--;
}
if (i > 0) {
output[i] = '\n';
}
}
}
int count_lines(char *string)
{
size_t len = strlen(string);
int count = 1;
int i;
for (i = 0; i < len; i++) {
if (string[i] == '\n')
count++;
}
return count;
}
char *appender(char *str, const char c)
{
size_t len = strlen(str);
if (len < STRING_LENGTH) {
str[len+1] = str[len];
str[len] = c;
}
return str;
}
void do_refresh()
{
int count=0;
char wrap_output[STRING_LENGTH];
int L;
int i;
for (i = 0; i < HISTORY; i++) {
wrap(wrap_output, lines[i], x);
L = count_lines(wrap_output);
count = count + L;
if (count < y) {
move(y-1-count, 0);
printw(wrap_output);
clrtoeol();
}
}
move(y-1, 0);
clrtoeol();
printw(">> ");
printw(line);
clrtoeol();
refresh();
}
void print_request(uint8_t *public_key, uint8_t *data, uint16_t length)
{
new_lines("[i] received friend request with message:");
new_lines((char *)data);
char numchar[100];
sprintf(numchar, "[i] accept request with /a %u", num_requests);
new_lines(numchar);
memcpy(pending_requests[num_requests], public_key, CLIENT_ID_SIZE);
++num_requests;
do_refresh();
}
void print_message(int friendnumber, uint8_t * string, uint16_t length)
{
new_lines(format_message((char*)string, friendnumber));
}
void print_nickchange(int friendnumber, uint8_t *string, uint16_t length)
{
char name[MAX_NAME_LENGTH];
getname(friendnumber, (uint8_t*)name);
char msg[100+length];
sprintf(msg, "[i] [%d] %s is now known as %s.", friendnumber, name, string);
new_lines(msg);
}
void print_statuschange(int friendnumber, uint8_t *string, uint16_t length)
{
char name[MAX_NAME_LENGTH];
getname(friendnumber, (uint8_t*)name);
char msg[100+length+strlen(name)+1];
sprintf(msg, "[i] [%d] %s's status changed to %s.", friendnumber, name, string);
new_lines(msg);
}
void load_key()
{
FILE *data_file = NULL;
data_file = fopen("data","r");
if (data_file) {
//load keys
fseek(data_file, 0, SEEK_END);
int size = ftell(data_file);
fseek(data_file, 0, SEEK_SET);
uint8_t data[size];
if (fread(data, sizeof(uint8_t), size, data_file) != size){
printf("[i] could not read data file\n[i] exiting\n");
exit(1);
}
Messenger_load(data, size);
} else {
//else save new keys
int size = Messenger_size();
uint8_t data[size];
Messenger_save(data);
data_file = fopen("data","w");
if (fwrite(data, sizeof(uint8_t), size, data_file) != size){
printf("[i] could not write data file\n[i] exiting\n");
exit(1);
}
}
fclose(data_file);
}
int main(int argc, char *argv[])
{
if (argc < 4) {
printf("[!] Usage: %s [IP] [port] [public_key] <nokey>\n", argv[0]);
exit(0);
}
int c;
int on = 0;
initMessenger();
//if keyfiles exist
if(argc > 4){
if(strncmp(argv[4], "nokey", 6) < 0){
//load_key();
}
} else {
load_key();
}
m_callback_friendrequest(print_request);
m_callback_friendmessage(print_message);
m_callback_namechange(print_nickchange);
m_callback_userstatus(print_statuschange);
char idstring0[200];
char idstring1[PUB_KEY_BYTES][5];
char idstring2[PUB_KEY_BYTES][5];
int i;
for(i = 0; i < PUB_KEY_BYTES; i++)
{
if (self_public_key[i] < (PUB_KEY_BYTES / 2))
strcpy(idstring1[i],"0");
else
strcpy(idstring1[i], "");
sprintf(idstring2[i], "%hhX",self_public_key[i]);
}
strcpy(idstring0,"[i] your ID: ");
int j;
for (j = 0; j < PUB_KEY_BYTES; j++) {
strcat(idstring0,idstring1[j]);
strcat(idstring0,idstring2[j]);
}
initscr();
noecho();
raw();
getmaxyx(stdscr, y, x);
new_lines(idstring0);
new_lines(help);
strcpy(line, "");
IP_Port bootstrap_ip_port;
bootstrap_ip_port.port = htons(atoi(argv[2]));
int resolved_address = resolve_addr(argv[1]);
if (resolved_address != 0)
bootstrap_ip_port.ip.i = resolved_address;
else
exit(1);
DHT_bootstrap(bootstrap_ip_port, hex_string_to_bin(argv[3]));
nodelay(stdscr, TRUE);
while(true) {
if (on == 0 && DHT_isconnected()) {
new_lines("[i] connected to DHT\n[i] define username with /n");
on = 1;
}
doMessenger();
c_sleep(1);
do_refresh();
c = getch();
if (c == ERR || c == 27)
continue;
getmaxyx(stdscr, y, x);
if (c == '\n') {
line_eval(lines, line);
strcpy(line, "");
} else if (c == 127) {
line[strlen(line)-1] = '\0';
} else if (isalnum(c) || ispunct(c) || c == ' ') {
strcpy(line, appender(line, (char) c));
}
}
endwin();
return 0;
}
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