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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/>.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef __WIN32__
#define _WIN32_WINNT 0x501
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <netdb.h>
#endif
#include "nTox.h"
#include "misc_tools.c"
#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 input_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[TOX_CLIENT_ID_SIZE];
uint8_t accepted;
} Friend_request;
Friend_request pending_requests[256];
uint8_t num_requests = 0;
#define NUM_FILE_SENDERS 256
typedef struct {
FILE *file;
uint16_t friendnum;
uint8_t filenumber;
uint8_t nextpiece[1024];
uint16_t piecelength;
} File_Sender;
File_Sender file_senders[NUM_FILE_SENDERS];
uint8_t numfilesenders;
void send_filesenders(Tox *m)
{
uint32_t i;
for (i = 0; i < NUM_FILE_SENDERS; ++i) {
if (file_senders[i].file == 0)
continue;
while (1) {
if (!file_data(m, file_senders[i].friendnum, file_senders[i].filenumber, file_senders[i].nextpiece,
file_senders[i].piecelength))
break;
file_senders[i].piecelength = fread(file_senders[i].nextpiece, 1, 1000, file_senders[i].file);
if (file_senders[i].piecelength == 0) {
fclose(file_senders[i].file);
file_senders[i].file = 0;
break;
}
}
}
}
int add_filesender(Tox *m, uint16_t friendnum, char *filename)
{
file_senders[numfilesenders].file = fopen(filename, "r");
if (file_senders[numfilesenders].file == 0)
return -1;
file_senders[numfilesenders].piecelength = fread(file_senders[numfilesenders].nextpiece, 1, 1000,
file_senders[numfilesenders].file);
file_senders[numfilesenders].friendnum = friendnum;
file_senders[numfilesenders].filenumber = numfilesenders;
++numfilesenders;
return (numfilesenders - 1);
}
/*
resolve_addr():
address should represent IPv4 or a hostname with A record
returns a data in network byte order that can be used to set IP.i or IP_Port.ip.i
returns 0 on failure
TODO: Fix ipv6 support
*/
uint32_t resolve_addr(const char *address)
{
struct addrinfo *server = NULL;
struct addrinfo hints;
int rc;
uint32_t addr;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET; // IPv4 only right now.
hints.ai_socktype = SOCK_DGRAM; // type of socket Tox uses.
#ifdef __WIN32__
int res;
WSADATA wsa_data;
res = WSAStartup(MAKEWORD(2, 2), &wsa_data);
if (res != 0) {
return 0;
}
#endif
rc = getaddrinfo(address, "echo", &hints, &server);
// Lookup failed.
if (rc != 0) {
#ifdef __WIN32__
WSACleanup();
#endif
return 0;
}
// IPv4 records only..
if (server->ai_family != AF_INET) {
freeaddrinfo(server);
#ifdef __WIN32__
WSACleanup();
#endif
return 0;
}
addr = ((struct sockaddr_in *)server->ai_addr)->sin_addr.s_addr;
freeaddrinfo(server);
#ifdef __WIN32__
WSACleanup();
#endif
return addr;
}
void get_id(Tox *m, char *data)
{
sprintf(data, "[i] ID: ");
int offset = strlen(data);
uint8_t address[TOX_FRIEND_ADDRESS_SIZE];
tox_getaddress(m, address);
uint32_t i = 0;
for (; i < TOX_FRIEND_ADDRESS_SIZE; i++) {
sprintf(data + 2 * i + offset, "%02X ", address[i]);
}
}
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(Tox *m)
{
char name[TOX_MAX_NAME_LENGTH];
int i = 0;
new_lines("[i] Friend List:");
while (tox_getname(m, i, (uint8_t *)name) != -1) {
/* account for the longest name and the longest "base" string */
char fstring[TOX_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(Tox *m, char *message, int friendnum)
{
char name[TOX_MAX_NAME_LENGTH];
if (friendnum != -1) {
tox_getname(m, friendnum, (uint8_t *)name);
} else {
tox_getselfname(m, (uint8_t *)name, sizeof(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;
}
/* forward declaration */
static int save_data(Tox *m);
void line_eval(Tox *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 = tox_addfriend(m, bin_string, (uint8_t *)"Install Gentoo", sizeof("Install Gentoo"));
free(bin_string);
char numstring[100];
switch (num) {
case TOX_FAERR_TOOLONG:
sprintf(numstring, "[i] Message is too long.");
break;
case TOX_FAERR_NOMESSAGE:
sprintf(numstring, "[i] Please add a message to your request.");
break;
case TOX_FAERR_OWNKEY:
sprintf(numstring, "[i] That appears to be your own ID.");
break;
case TOX_FAERR_ALREADYSENT:
sprintf(numstring, "[i] Friend request already sent.");
break;
case TOX_FAERR_UNKNOWN:
sprintf(numstring, "[i] Undefined error when adding friend.");
break;
default:
if (num >= 0) {
sprintf(numstring, "[i] Added friend as %d.", num);
save_data(m);
} else
sprintf(numstring, "[i] Unknown error %i.", num);
break;
}
new_lines(numstring);
do_refresh();
} else if (inpt_command == 'd') {
tox_do(m);
} else if (inpt_command == 'm') { //message command: /m friendnumber messsage
char *posi[1];
int num = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
if (tox_sendmessage(m, num, (uint8_t *) *posi + 1, strlen(*posi + 1) + 1) < 1) {
char sss[256];
sprintf(sss, "[i] could not send message to friend num %u", num);
new_lines(sss);
} else {
new_lines(format_message(m, *posi + 1, -1));
}
} else
new_lines("Error, bad input.");
} else if (inpt_command == 'n') {
uint8_t name[TOX_MAX_NAME_LENGTH];
size_t i, 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;
tox_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[TOX_MAX_STATUSMESSAGE_LENGTH];
size_t i, 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;
tox_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 = tox_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);
save_data(m);
} 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 == 'x') { //info
char idstring[200];
get_id(m, idstring);
new_lines(idstring);
} else if (inpt_command == 'g') { //create new group chat
char msg[256];
sprintf(msg, "[g] Created new group chat with number: %u", tox_add_groupchat(m));
new_lines(msg);
} else if (inpt_command == 'i') { //invite friendnum to groupnum
char *posi[1];
int friendnumber = strtoul(line + prompt_offset, posi, 0);
int groupnumber = strtoul(*posi + 1, NULL, 0);
char msg[256];
sprintf(msg, "[g] Invited friend number %u to group number %u, returned: %u (0 means success)", friendnumber,
groupnumber, tox_invite_friend(m, friendnumber, groupnumber));
new_lines(msg);
} else if (inpt_command == 'z') { //send message to groupnum
char *posi[1];
int groupnumber = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
char msg[256 + 1024];
sprintf(msg, "[g] sent message: %s to group num: %u returned: %u (0 means success)", *posi + 1, groupnumber,
tox_group_message_send(m, groupnumber, (uint8_t *)*posi + 1, strlen(*posi + 1) + 1));
new_lines(msg);
}
} else if (inpt_command == 't') {
char msg[512];
char *posi[1];
int friendnum = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
sprintf(msg, "[t] Sending file %s to friendnum %u returned %i (-1 means failure)", *posi + 1, friendnum,
add_filesender(m, friendnum, *posi + 1));
new_lines(msg);
}
} else if (inpt_command == 'q') { //exit
save_data(m);
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 i, len = strlen(output);
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 i, len = strlen(string);
int count = 1;
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(input_line);
clrtoeol();
refresh();
}
void print_request(uint8_t *public_key, uint8_t *data, uint16_t length, void *userdata)
{
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, TOX_CLIENT_ID_SIZE);
pending_requests[num_requests].accepted = 0;
++num_requests;
do_refresh();
}
void print_message(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
{
new_lines(format_message(m, (char *)string, friendnumber));
}
void print_nickchange(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
{
char name[TOX_MAX_NAME_LENGTH];
if (tox_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(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata)
{
char name[TOX_MAX_NAME_LENGTH];
if (tox_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);
}
}
static char *data_file_name = NULL;
static int load_data(Tox *m)
{
FILE *data_file = fopen(data_file_name, "r");
size_t size = 0;
if (data_file) {
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!\n", stderr);
fclose(data_file);
return 0;
}
tox_load(m, data, size);
if (fclose(data_file) < 0) {
perror("[!] fclose failed");
/* we got it open and the expected data read... let it be ok */
/* return 0; */
}
return 1;
}
return 0;
}
static int save_data(Tox *m)
{
FILE *data_file = fopen(data_file_name, "w");
if (!data_file) {
perror("[!] load_key");
return 0;
}
int res = 1;
size_t size = tox_size(m);
uint8_t data[size];
tox_save(m, data);
if (fwrite(data, sizeof(uint8_t), size, data_file) != size) {
fputs("[!] could not write data file (1)!", stderr);
res = 0;
}
if (fclose(data_file) < 0) {
perror("[!] could not write data file (2)");
res = 0;
}
return res;
}
static int load_data_or_init(Tox *m, char *path)
{
data_file_name = path;
if (load_data(m))
return 1;
if (save_data(m))
return 1;
return 0;
}
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.");
}
void print_invite(Tox *m, int friendnumber, uint8_t *group_public_key, void *userdata)
{
char msg[256];
sprintf(msg, "[i] recieved group chat invite from: %u, auto accepting and joining. group number: %u", friendnumber,
tox_join_groupchat(m, friendnumber, group_public_key));
new_lines(msg);
}
void print_groupmessage(Tox *m, int groupnumber, int peernumber, uint8_t *message, uint16_t length, void *userdata)
{
char msg[256 + length];
uint8_t name[TOX_MAX_NAME_LENGTH];
tox_group_peername(m, groupnumber, peernumber, name);
sprintf(msg, "[g] %u: <%s>: %s", groupnumber, name, message);
new_lines(msg);
}
void write_file(Tox *tox, int friendnumber, uint8_t filenumber, uint8_t *data, uint16_t length, void *userdata)
{
char filename[256];
sprintf(filename, "%u.%u.bin", friendnumber, filenumber);
FILE *pFile = fopen(filename, "a");
fwrite(data, length, 1, pFile);
fclose(pFile);
}
int main(int argc, char *argv[])
{
if (argc < 4) {
printf("Usage: %s [--ipv4|--ipv6] IP PORT KEY [-f keyfile]\n", argv[0]);
exit(0);
}
/* let user override default by cmdline */
uint8_t ipv6enabled = TOX_ENABLE_IPV6_DEFAULT; /* x */
int argvoffset = cmdline_parsefor_ipv46(argc, argv, &ipv6enabled);
if (argvoffset < 0)
exit(1);
int on = 0;
int c = 0;
char *filename = "data";
char idstring[200] = {0};
Tox *m;
if ((argc == 2) && !strcmp(argv[1], "-h")) {
print_help();
exit(0);
}
/* [-f keyfile] MUST be last two arguments, no point in walking over the list
* especially not a good idea to accept it anywhere in the middle */
if (argc > argvoffset + 3)
if (!strcmp(argv[argc - 2], "-f"))
filename = argv[argc - 1];
m = tox_new(ipv6enabled);
if ( !m ) {
fputs("Failed to allocate Messenger datastructure", stderr);
exit(0);
}
load_data_or_init(m, filename);
tox_callback_friendrequest(m, print_request, NULL);
tox_callback_friendmessage(m, print_message, NULL);
tox_callback_namechange(m, print_nickchange, NULL);
tox_callback_statusmessage(m, print_statuschange, NULL);
tox_callback_group_invite(m, print_invite, NULL);
tox_callback_group_message(m, print_groupmessage, NULL);
callback_file_data(m, write_file, NULL);
initscr();
noecho();
raw();
getmaxyx(stdscr, y, x);
new_lines("/h for list of commands");
get_id(m, idstring);
new_lines(idstring);
strcpy(input_line, "");
uint16_t port = htons(atoi(argv[argvoffset + 2]));
unsigned char *binary_string = hex_string_to_bin(argv[argvoffset + 3]);
int res = tox_bootstrap_from_address(m, argv[argvoffset + 1], ipv6enabled, port, binary_string);
free(binary_string);
if (!res) {
printf("Failed to convert \"%s\" into an IP address. Exiting...\n", argv[argvoffset + 1]);
endwin();
exit(1);
}
nodelay(stdscr, TRUE);
new_lines("[i] change username with /n");
uint8_t name[TOX_MAX_NAME_LENGTH];
uint16_t namelen = tox_getselfname(m, name, sizeof(name));
if (namelen > 0) {
char whoami[128 + TOX_MAX_NAME_LENGTH];
snprintf(whoami, sizeof(whoami), "[i] your current username is: %s", name);
new_lines(whoami);
}
time_t timestamp0 = time(NULL);
while (1) {
if (on == 0) {
if (tox_isconnected(m)) {
new_lines("[i] connected to DHT");
on = 1;
} else {
time_t timestamp1 = time(NULL);
if (timestamp0 + 10 < timestamp1) {
timestamp0 = timestamp1;
tox_bootstrap_from_address(m, argv[argvoffset + 1], ipv6enabled, port, binary_string);
}
}
}
send_filesenders(m);
tox_do(m);
c_sleep(1);
do_refresh();
c = getch();
if (c == ERR || c == 27)
continue;
getmaxyx(stdscr, y, x);
if ((c == 0x0d) || (c == 0x0a)) {
line_eval(m, input_line);
strcpy(input_line, "");
} else if (c == 8 || c == 127) {
input_line[strlen(input_line) - 1] = '\0';
} else if (isalnum(c) || ispunct(c) || c == ' ') {
strcpy(input_line, appender(input_line, (char) c));
}
}
tox_kill(m);
endwin();
return 0;
}
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