387 lines
9.9 KiB
C
387 lines
9.9 KiB
C
/*
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This file is part of telegram-client.
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Telegram-client is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Telegram-client is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this telegram-client. If not, see <http://www.gnu.org/licenses/>.
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Copyright Vitaly Valtman 2013
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*/
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#define _GNU_SOURCE
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#include "config.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pwd.h>
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#include <termios.h>
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#include <unistd.h>
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#include <assert.h>
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#if (READLINE == GNU)
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#include <readline/readline.h>
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#else
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#include <editline/readline.h>
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#endif
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#include <sys/stat.h>
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#include <time.h>
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#include <fcntl.h>
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#include <execinfo.h>
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#include <signal.h>
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#ifdef ENABLE_LIBCONFIG
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#include <libconfig.h>
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#endif
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#include "loop.h"
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#include "mtproto-client.h"
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#include "interface.h"
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#define PROGNAME "telegram-client"
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#define VERSION "0.01"
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#define CONFIG_DIRECTORY ".telegram"
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#define CONFIG_FILE "config"
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#define AUTH_KEY_FILE "auth"
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#define STATE_FILE "state"
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#define SECRET_CHAT_FILE "secret"
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#define DOWNLOADS_DIRECTORY "downloads"
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#define BINLOG_FILE "binlog"
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#define CONFIG_DIRECTORY_MODE 0700
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#define DEFAULT_CONFIG_CONTENTS \
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"# This is an empty config file\n" \
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"# Feel free to put something here\n"
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char *default_username;
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char *auth_token;
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int msg_num_mode;
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char *config_filename;
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char *prefix;
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int test_dc;
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char *auth_file_name;
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char *state_file_name;
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char *secret_chat_file_name;
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char *downloads_directory;
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char *config_directory;
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char *binlog_file_name;
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int binlog_enabled;
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extern int log_level;
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void set_default_username (const char *s) {
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if (default_username) {
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free (default_username);
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}
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default_username = strdup (s);
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}
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/* {{{ TERMINAL */
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tcflag_t old_lflag;
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cc_t old_vtime;
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struct termios term;
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void get_terminal_attributes (void) {
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if (tcgetattr (STDIN_FILENO, &term) < 0) {
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perror ("tcgetattr()");
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exit (EXIT_FAILURE);
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}
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old_lflag = term.c_lflag;
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old_vtime = term.c_cc[VTIME];
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}
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void set_terminal_attributes (void) {
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if (tcsetattr (STDIN_FILENO, 0, &term) < 0) {
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perror ("tcsetattr()");
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exit (EXIT_FAILURE);
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}
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}
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/* }}} */
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char *get_home_directory (void) {
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struct passwd *current_passwd;
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uid_t user_id;
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setpwent ();
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user_id = getuid ();
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while ((current_passwd = getpwent ())) {
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if (current_passwd->pw_uid == user_id) {
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return current_passwd->pw_dir;
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}
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}
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return "";
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}
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char *get_config_directory (void) {
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char *config_directory;
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int length = strlen (get_home_directory ()) + strlen (CONFIG_DIRECTORY) + 2;
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config_directory = (char *) calloc (length, sizeof (char));
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sprintf (config_directory, "%s/" CONFIG_DIRECTORY,
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get_home_directory ());
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return config_directory;
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}
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char *get_config_filename (void) {
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return config_filename;
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}
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char *get_auth_key_filename (void) {
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return auth_file_name;
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}
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char *get_state_filename (void) {
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return state_file_name;
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}
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char *get_secret_chat_filename (void) {
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return secret_chat_file_name;
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}
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char *get_downloads_directory (void) {
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return downloads_directory;
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}
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char *get_binlog_file_name (void) {
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return binlog_file_name;
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}
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char *make_full_path (char *s) {
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if (*s != '/') {
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char *t = s;
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assert (asprintf (&s, "%s/%s", get_home_directory (), s) >= 0);
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free (t);
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}
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return s;
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}
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void running_for_first_time (void) {
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if (config_filename) {
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return; // Do not create custom config file
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}
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assert (asprintf (&config_filename, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, CONFIG_FILE) >= 0);
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config_filename = make_full_path (config_filename);
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static struct stat config_file_stat;
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int config_file_fd;
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char *config_directory = get_config_directory ();
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//char *downloads_directory = get_downloads_directory ();
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if (!mkdir (config_directory, CONFIG_DIRECTORY_MODE)) {
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printf ("[%s] created\n", config_directory);
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}
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// see if config file is there
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if (stat (config_filename, &config_file_stat) != 0) {
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// config file missing, so touch it
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config_file_fd = open (config_filename, O_CREAT | O_RDWR, 0600);
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if (config_file_fd == -1) {
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perror ("open[config_file]");
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exit (EXIT_FAILURE);
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}
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if (write (config_file_fd, DEFAULT_CONFIG_CONTENTS, strlen (DEFAULT_CONFIG_CONTENTS)) <= 0) {
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perror ("write[config_file]");
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exit (EXIT_FAILURE);
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}
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close (config_file_fd);
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/*int auth_file_fd = open (get_auth_key_filename (), O_CREAT | O_RDWR, 0600);
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int x = -1;
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assert (write (auth_file_fd, &x, 4) == 4);
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close (auth_file_fd);
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printf ("[%s] created\n", config_filename);*/
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/* create downloads directory */
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/*if (mkdir (downloads_directory, 0755) !=0) {
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perror ("creating download directory");
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exit (EXIT_FAILURE);
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}*/
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}
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}
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#ifdef ENABLE_LIBCONFIG
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void parse_config_val (config_t *conf, char **s, char *param_name, const char *default_name, const char *path) {
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static char buf[1000];
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int l = 0;
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if (prefix) {
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l = strlen (prefix);
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memcpy (buf, prefix, l);
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buf[l ++] = '.';
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}
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*s = 0;
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const char *r = 0;
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strcpy (buf + l, param_name);
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config_lookup_string (conf, buf, &r);
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if (r) {
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if (path) {
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assert (asprintf (s, "%s/%s", path, r) >= 0);
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} else {
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*s = strdup (r);
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}
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} else {
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if (path) {
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assert (asprintf (s, "%s/%s", path, default_name) >= 0);
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} else {
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*s = strdup (default_name);
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}
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}
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}
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void parse_config (void) {
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config_filename = make_full_path (config_filename);
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config_t conf;
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config_init (&conf);
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if (config_read_file (&conf, config_filename) != CONFIG_TRUE) {
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fprintf (stderr, "Can not read config '%s': error '%s' on the line %d\n", config_filename, config_error_text (&conf), config_error_line (&conf));
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exit (2);
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}
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if (!prefix) {
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config_lookup_string (&conf, "default_profile", (void *)&prefix);
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}
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static char buf[1000];
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int l = 0;
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if (prefix) {
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l = strlen (prefix);
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memcpy (buf, prefix, l);
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buf[l ++] = '.';
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}
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test_dc = 0;
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strcpy (buf + l, "test");
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config_lookup_bool (&conf, buf, &test_dc);
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strcpy (buf + l, "log_level");
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config_lookup_int (&conf, buf, &log_level);
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if (!msg_num_mode) {
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strcpy (buf + l, "msg_num");
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config_lookup_bool (&conf, buf, &msg_num_mode);
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}
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parse_config_val (&conf, &config_directory, "config_directory", CONFIG_DIRECTORY, 0);
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config_directory = make_full_path (config_directory);
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parse_config_val (&conf, &auth_file_name, "auth_file", AUTH_KEY_FILE, config_directory);
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parse_config_val (&conf, &state_file_name, "state_file", STATE_FILE, config_directory);
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parse_config_val (&conf, &secret_chat_file_name, "secret", SECRET_CHAT_FILE, config_directory);
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parse_config_val (&conf, &downloads_directory, "downloads", DOWNLOADS_DIRECTORY, config_directory);
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parse_config_val (&conf, &binlog_file_name, "binlog", BINLOG_FILE, config_directory);
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strcpy (buf + l, "binlog_enabled");
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config_lookup_bool (&conf, buf, &binlog_enabled);
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if (!mkdir (config_directory, CONFIG_DIRECTORY_MODE)) {
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printf ("[%s] created\n", config_directory);
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}
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if (!mkdir (downloads_directory, CONFIG_DIRECTORY_MODE)) {
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printf ("[%s] created\n", downloads_directory);
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}
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}
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#else
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void parse_config (void) {
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printf ("libconfig not enabled\n");
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assert (asprintf (&auth_file_name, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, AUTH_KEY_FILE) >= 0);
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assert (asprintf (&state_file_name, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, STATE_FILE) >= 0);
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assert (asprintf (&secret_chat_file_name, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, SECRET_CHAT_FILE) >= 0);
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assert (asprintf (&downloads_directory, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, DOWNLOADS_DIRECTORY) >= 0);
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assert (asprintf (&binlog_file_name, "%s/%s/%s", get_home_directory (), CONFIG_DIRECTORY, BINLOG_FILE) >= 0);
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}
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#endif
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void inner_main (void) {
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loop ();
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}
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void usage (void) {
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printf ("%s [-u username] [-h] [-k public key name] [-N] [-v] [-l log_level]\n", PROGNAME);
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exit (1);
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}
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extern char *rsa_public_key_name;
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extern int verbosity;
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extern int default_dc_num;
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void args_parse (int argc, char **argv) {
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int opt = 0;
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while ((opt = getopt (argc, argv, "u:hk:vn:Nc:p:l:")) != -1) {
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switch (opt) {
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case 'u':
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set_default_username (optarg);
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break;
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case 'k':
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rsa_public_key_name = strdup (optarg);
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break;
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case 'v':
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verbosity ++;
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break;
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case 'N':
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msg_num_mode ++;
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break;
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case 'c':
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config_filename = strdup (optarg);
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break;
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case 'p':
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prefix = strdup (optarg);
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assert (strlen (prefix) <= 100);
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break;
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case 'l':
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log_level = atoi (optarg);
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break;
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case 'h':
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default:
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usage ();
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break;
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}
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}
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}
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void print_backtrace (void) {
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void *buffer[255];
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const int calls = backtrace (buffer, sizeof (buffer) / sizeof (void *));
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backtrace_symbols_fd (buffer, calls, 1);
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exit(EXIT_FAILURE);
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}
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void sig_handler (int signum) {
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set_terminal_attributes ();
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printf ("Signal %d received\n", signum);
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print_backtrace ();
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}
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int main (int argc, char **argv) {
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signal (SIGSEGV, sig_handler);
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signal (SIGABRT, sig_handler);
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log_level = 10;
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args_parse (argc, argv);
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printf (
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"Telegram-client version " TG_VERSION ", Copyright (C) 2013 Vitaly Valtman\n"
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"Telegram-client comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.\n"
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"This is free software, and you are welcome to redistribute it\n"
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"under certain conditions; type `show_license' for details.\n"
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);
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running_for_first_time ();
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parse_config ();
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get_terminal_attributes ();
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inner_main ();
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return 0;
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}
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