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path: root/testing/nTox.c
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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] Message is too long.");
                break;
            case -2:
                sprintf(numstring, "[i] Please add a message to your request.");
                break;
            case -3:
                sprintf(numstring, "[i] That appears to be your own ID.");
                break;
            case -4:
                sprintf(numstring, "[i] Friend request already sent.");
                break;
            case -5:
                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();
        }
        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(num, (uint8_t*) message, strlen(message) + 1) != 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 - 2);
            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) + 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];
            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;
}