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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:\n/f ID (to add friend)\n/m friendnumber message "
"(to send message)\n/s status (to change status)\n[i] /l list (l"
"ist friends)\n/h for help\n/i for info\n/n nick (to change nick"
"name)\n/q (to quit)";
int x, y;
typedef struct {
uint8_t id[CLIENT_ID_SIZE];
uint8_t accepted;
} Friend_request;
Friend_request pending_requests[256];
uint8_t num_requests = 0;
void get_id(char *data)
{
char idstring0[200];
char idstring1[PUB_KEY_BYTES][5];
char idstring2[PUB_KEY_BYTES][5];
int i = 0;
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 = 0;
for (j = 0; j < PUB_KEY_BYTES; j++) {
strcat(idstring0,idstring1[j]);
strcat(idstring0,idstring2[j]);
}
memcpy(data, idstring0, strlen(idstring0));
}
void new_lines(char *line)
{
int i = 0;
for (i = HISTORY-1; i > 0; i--)
strncpy(lines[i], lines[i-1], STRING_LENGTH - 1);
strncpy(lines[0], line, STRING_LENGTH - 1);
do_refresh();
}
void print_friendlist(Messenger *m)
{
char name[MAX_NAME_LENGTH];
int i = 0;
new_lines("[i] Friend List:");
while(getname(m, i, (uint8_t *)name) != -1) {
/* account for the longest name and the longest "base" string */
char fstring[MAX_NAME_LENGTH + strlen("[i] Friend: NULL\n\tid: ")];
if (strlen(name) <= 0) {
sprintf(fstring, "[i] Friend: No Friend!\n\tid: %i", i);
} else {
sprintf(fstring, "[i] Friend: %s\n\tid: %i", (uint8_t*)name, i);
}
i++;
new_lines(fstring);
}
if(i == 0)
new_lines("\tno friends! D:");
}
char *format_message(Messenger *m, char *message, int friendnum)
{
char name[MAX_NAME_LENGTH];
if (friendnum != -1) {
getname(m, friendnum, (uint8_t*)name);
} else {
getself_name(m, (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(Messenger *m, 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];
unsigned char *bin_string = hex_string_to_bin(temp_id);
int num = m_addfriend(m, bin_string, (uint8_t*)"Install Gentoo", sizeof("Install Gentoo"));
free(bin_string);
char numstring[100];
switch (num) {
case FAERR_TOOLONG:
sprintf(numstring, "[i] Message is too long.");
break;
case FAERR_NOMESSAGE:
sprintf(numstring, "[i] Please add a message to your request.");
break;
case FAERR_OWNKEY:
sprintf(numstring, "[i] That appears to be your own ID.");
break;
case FAERR_ALREADYSENT:
sprintf(numstring, "[i] Friend request already sent.");
break;
case FAERR_UNKNOWN:
sprintf(numstring, "[i] Undefined error when adding friend.");
break;
default:
sprintf(numstring, "[i] Added friend as %d.", num);
break;
}
new_lines(numstring);
do_refresh();
}
else if (inpt_command == 'd') {
doMessenger(m);
}
else if (inpt_command == 'm') { //message command: /m friendnumber messsage
size_t len = strlen(line);
if(len < 3)
return;
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+1); j++)
message[j-i-1] = line[j+3];
break;
}
}
int num = atoi(numstring);
if (m_sendmessage(m, num, (uint8_t*) message, strlen(message) + 1) != 1) {
new_lines("[i] could not send message");
} else {
new_lines(format_message(m, 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(m, name, i - 2);
char numstring[100];
sprintf(numstring, "[i] changed nick to %s", (char*)name);
new_lines(numstring);
}
else if (inpt_command == 'l') {
print_friendlist(m);
}
else if (inpt_command == 's') {
uint8_t status[MAX_STATUSMESSAGE_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_statusmessage(m, status, strlen((char*)status) + 1);
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];
if (numf >= num_requests || pending_requests[numf].accepted) {
sprintf(numchar,"[i] you either didn't receive that request or you already accepted it");
new_lines(numchar);
} else {
int num = m_addfriend_norequest(m, pending_requests[numf].id);
if (num != -1) {
pending_requests[numf].accepted = 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(help);
}
else if (inpt_command == 'i') { //info
char idstring[200];
get_id(idstring);
new_lines(idstring);
}
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].id, public_key, CLIENT_ID_SIZE);
pending_requests[num_requests].accepted = 0;
++num_requests;
do_refresh();
}
void print_message(Messenger *m, int friendnumber, uint8_t * string, uint16_t length)
{
new_lines(format_message(m, (char*)string, friendnumber));
}
void print_nickchange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
char name[MAX_NAME_LENGTH];
if(getname(m, friendnumber, (uint8_t*)name) != -1) {
char msg[100+length];
sprintf(msg, "[i] [%d] %s is now known as %s.", friendnumber, name, string);
new_lines(msg);
}
}
void print_statuschange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
{
char name[MAX_NAME_LENGTH];
if(getname(m, friendnumber, (uint8_t*)name) != -1) {
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(Messenger *m, char *path)
{
FILE *data_file = fopen(path, "r");
int size = 0;
if (data_file) {
//load keys
fseek(data_file, 0, SEEK_END);
size = ftell(data_file);
rewind(data_file);
uint8_t data[size];
if (fread(data, sizeof(uint8_t), size, data_file) != size){
fputs("[!] could not read data file! exiting...\n", stderr);
goto FILE_ERROR;
}
Messenger_load(m, data, size);
} else {
//else save new keys
int size = Messenger_size(m);
uint8_t data[size];
Messenger_save(m, data);
data_file = fopen(path, "w");
if(!data_file) {
perror("[!] load_key");
exit(1);
}
if (fwrite(data, sizeof(uint8_t), size, data_file) != size){
fputs("[!] could not write data file! exiting...", stderr);
goto FILE_ERROR;
}
}
if(fclose(data_file) < 0)
perror("[!] fclose failed");
return;
FILE_ERROR:
if(fclose(data_file) < 0)
perror("[!] fclose failed");
exit(1);
}
void print_help(void)
{
printf("nTox %.1f - Command-line tox-core client\n", 0.1);
puts("Options:");
puts("\t-h\t-\tPrint this help and exit.");
puts("\t-f\t-\tSpecify a keyfile to read (or write to) from.");
}
int main(int argc, char *argv[])
{
int on = 0;
int c = 0;
int i = 0;
char *filename = "data";
char idstring[200] = {0};
Messenger *m;
if (argc < 4) {
printf("[!] Usage: %s [IP] [port] [public_key] <keyfile>\n", argv[0]);
exit(0);
}
for(i = 0; i < argc; i++) {
if (argv[i] == NULL){
break;
} else if(argv[i][0] == '-') {
if(argv[i][1] == 'h') {
print_help();
exit(0);
} else if(argv[i][1] == 'f') {
if(argv[i + 1] != NULL)
filename = argv[i + 1];
else {
fputs("[!] you passed '-f' without giving an argument!\n", stderr);
}
}
}
}
m = initMessenger();
if( !m ){
fputs("Failed to allocate Messenger datastructure", stderr);
exit(0);
}
load_key(m, filename);
m_callback_friendrequest(m, print_request);
m_callback_friendmessage(m, print_message);
m_callback_namechange(m, print_nickchange);
m_callback_statusmessage(m, print_statuschange);
initscr();
noecho();
raw();
getmaxyx(stdscr, y, x);
new_lines("/h for list of commands");
get_id(idstring);
new_lines(idstring);
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);
unsigned char *binary_string = hex_string_to_bin(argv[3]);
DHT_bootstrap(bootstrap_ip_port, binary_string);
free(binary_string);
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(m);
c_sleep(1);
do_refresh();
c = getch();
if (c == ERR || c == 27)
continue;
getmaxyx(stdscr, y, x);
if (c == '\n') {
line_eval(m, line);
strcpy(line, "");
} else if (c == 8 || c == 127) {
line[strlen(line)-1] = '\0';
} else if (isalnum(c) || ispunct(c) || c == ' ') {
strcpy(line, appender(line, (char) c));
}
}
cleanupMessenger(m);
endwin();
return 0;
}
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